diff options
113 files changed, 3440 insertions, 1079 deletions
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-loopback b/Documentation/ABI/testing/configfs-usb-gadget-loopback index 9aae5bfb9908..06beefbcf061 100644 --- a/Documentation/ABI/testing/configfs-usb-gadget-loopback +++ b/Documentation/ABI/testing/configfs-usb-gadget-loopback @@ -5,4 +5,4 @@ Description: The attributes: qlen - depth of loopback queue - bulk_buflen - buffer length + buflen - buffer length diff --git a/Documentation/ABI/testing/configfs-usb-gadget-sourcesink b/Documentation/ABI/testing/configfs-usb-gadget-sourcesink index 29477c319f61..bc7ff731aa0c 100644 --- a/Documentation/ABI/testing/configfs-usb-gadget-sourcesink +++ b/Documentation/ABI/testing/configfs-usb-gadget-sourcesink @@ -9,4 +9,4 @@ Description: isoc_maxpacket - 0 - 1023 (fs), 0 - 1024 (hs/ss) isoc_mult - 0..2 (hs/ss only) isoc_maxburst - 0..15 (ss only) - qlen - buffer length + buflen - buffer length diff --git a/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.txt b/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.txt new file mode 100644 index 000000000000..862cd7c79805 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.txt @@ -0,0 +1,29 @@ +Allwinner sun4i A10 musb DRC/OTG controller +------------------------------------------- + +Required properties: + - compatible : "allwinner,sun4i-a10-musb", "allwinner,sun6i-a31-musb" + or "allwinner,sun8i-a33-musb" + - reg : mmio address range of the musb controller + - clocks : clock specifier for the musb controller ahb gate clock + - reset : reset specifier for the ahb reset (A31 and newer only) + - interrupts : interrupt to which the musb controller is connected + - interrupt-names : must be "mc" + - phys : phy specifier for the otg phy + - phy-names : must be "usb" + - dr_mode : Dual-Role mode must be "host" or "otg" + - extcon : extcon specifier for the otg phy + +Example: + + usb_otg: usb@01c13000 { + compatible = "allwinner,sun4i-a10-musb"; + reg = <0x01c13000 0x0400>; + clocks = <&ahb_gates 0>; + interrupts = <38>; + interrupt-names = "mc"; + phys = <&usbphy 0>; + phy-names = "usb"; + extcon = <&usbphy 0>; + status = "disabled"; + }; diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt index 477d5bb5e51c..bba825711873 100644 --- a/Documentation/devicetree/bindings/usb/generic.txt +++ b/Documentation/devicetree/bindings/usb/generic.txt @@ -11,6 +11,19 @@ Optional properties: "peripheral" and "otg". In case this attribute isn't passed via DT, USB DRD controllers should default to OTG. + - otg-rev: tells usb driver the release number of the OTG and EH supplement + with which the device and its descriptors are compliant, + in binary-coded decimal (i.e. 2.0 is 0200H). This + property is used if any real OTG features(HNP/SRP/ADP) + is enabled, if ADP is required, otg-rev should be + 0x0200 or above. + - hnp-disable: tells OTG controllers we want to disable OTG HNP, normally HNP + is the basic function of real OTG except you want it + to be a srp-capable only B device. + - srp-disable: tells OTG controllers we want to disable OTG SRP, SRP is + optional for OTG device. + - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is + optional for OTG device. This is an attribute to a USB controller such as: @@ -21,4 +34,6 @@ dwc3@4a030000 { usb-phy = <&usb2_phy>, <&usb3,phy>; maximum-speed = "super-speed"; dr_mode = "otg"; + otg-rev = <0x0200>; + adp-disable; }; diff --git a/Documentation/devicetree/bindings/usb/msm-hsusb.txt b/Documentation/devicetree/bindings/usb/msm-hsusb.txt index bd8d9e753029..8654a3ec23e4 100644 --- a/Documentation/devicetree/bindings/usb/msm-hsusb.txt +++ b/Documentation/devicetree/bindings/usb/msm-hsusb.txt @@ -52,6 +52,10 @@ Required properties: Optional properties: - dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg" +- switch-gpio: A phandle + gpio-specifier pair. Some boards are using Dual + SPDT USB Switch, witch is cotrolled by GPIO to de/multiplex + D+/D- USB lines between connectors. + - qcom,phy-init-sequence: PHY configuration sequence values. This is related to Device Mode Eye Diagram test. Start address at which these values will be written is ULPI_EXT_VENDOR_SPECIFIC. Value of -1 is reserved as diff --git a/Documentation/devicetree/bindings/usb/qcom,usb-8x16-phy.txt b/Documentation/devicetree/bindings/usb/qcom,usb-8x16-phy.txt new file mode 100644 index 000000000000..2cb2168cef41 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/qcom,usb-8x16-phy.txt @@ -0,0 +1,76 @@ +Qualcomm's APQ8016/MSM8916 USB transceiver controller + +- compatible: + Usage: required + Value type: <string> + Definition: Should contain "qcom,usb-8x16-phy". + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: USB PHY base address and length of the register map + +- clocks: + Usage: required + Value type: <prop-encoded-array> + Definition: See clock-bindings.txt section "consumers". List of + two clock specifiers for interface and core controller + clocks. + +- clock-names: + Usage: required + Value type: <string> + Definition: Must contain "iface" and "core" strings. + +- vddcx-supply: + Usage: required + Value type: <phandle> + Definition: phandle to the regulator VDCCX supply node. + +- v1p8-supply: + Usage: required + Value type: <phandle> + Definition: phandle to the regulator 1.8V supply node. + +- v3p3-supply: + Usage: required + Value type: <phandle> + Definition: phandle to the regulator 3.3V supply node. + +- resets: + Usage: required + Value type: <prop-encoded-array> + Definition: See reset.txt section "consumers". PHY reset specifier. + +- reset-names: + Usage: required + Value type: <string> + Definition: Must contain "phy" string. + +- switch-gpio: + Usage: optional + Value type: <prop-encoded-array> + Definition: Some boards are using Dual SPDT USB Switch, witch is + controlled by GPIO to de/multiplex D+/D- USB lines + between connectors. + +Example: + usb_phy: phy@78d9000 { + compatible = "qcom,usb-8x16-phy"; + reg = <0x78d9000 0x400>; + + vddcx-supply = <&pm8916_s1_corner>; + v1p8-supply = <&pm8916_l7>; + v3p3-supply = <&pm8916_l13>; + + clocks = <&gcc GCC_USB_HS_AHB_CLK>, + <&gcc GCC_USB_HS_SYSTEM_CLK>; + clock-names = "iface", "core"; + + resets = <&gcc GCC_USB2A_PHY_BCR>; + reset-names = "phy"; + + // D+/D- lines: 1 - Routed to HUB, 0 - Device connector + switch-gpio = <&pm8916_gpios 4 GPIO_ACTIVE_HIGH>; + }; + diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt index 592678009c15..b24d3ef89166 100644 --- a/Documentation/usb/gadget-testing.txt +++ b/Documentation/usb/gadget-testing.txt @@ -237,9 +237,7 @@ Testing the LOOPBACK function ----------------------------- device: run the gadget -host: test-usb - -http://www.linux-usb.org/usbtest/testusb.c +host: test-usb (tools/usb/testusb.c) 8. MASS STORAGE function ======================== @@ -586,9 +584,8 @@ Testing the SOURCESINK function ------------------------------- device: run the gadget -host: test-usb +host: test-usb (tools/usb/testusb.c) -http://www.linux-usb.org/usbtest/testusb.c 16. UAC1 function ================= diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c index 4178d96f94cf..b6b76ff09657 100644 --- a/drivers/staging/emxx_udc/emxx_udc.c +++ b/drivers/staging/emxx_udc/emxx_udc.c @@ -3153,36 +3153,46 @@ static const struct usb_gadget_ops nbu2ss_gadget_ops = { .ioctl = nbu2ss_gad_ioctl, }; -static const char g_ep0_name[] = "ep0"; -static const char g_ep1_name[] = "ep1-bulk"; -static const char g_ep2_name[] = "ep2-bulk"; -static const char g_ep3_name[] = "ep3in-int"; -static const char g_ep4_name[] = "ep4-iso"; -static const char g_ep5_name[] = "ep5-iso"; -static const char g_ep6_name[] = "ep6-bulk"; -static const char g_ep7_name[] = "ep7-bulk"; -static const char g_ep8_name[] = "ep8in-int"; -static const char g_ep9_name[] = "ep9-iso"; -static const char g_epa_name[] = "epa-iso"; -static const char g_epb_name[] = "epb-bulk"; -static const char g_epc_name[] = "epc-nulk"; -static const char g_epd_name[] = "epdin-int"; - -static const char *gp_ep_name[NUM_ENDPOINTS] = { - g_ep0_name, - g_ep1_name, - g_ep2_name, - g_ep3_name, - g_ep4_name, - g_ep5_name, - g_ep6_name, - g_ep7_name, - g_ep8_name, - g_ep9_name, - g_epa_name, - g_epb_name, - g_epc_name, - g_epd_name, +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info[NUM_ENDPOINTS] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + + EP_INFO("ep0", + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep1-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep2-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep3in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep5-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep6-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep7-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep8in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep9-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_ALL)), + EP_INFO("epa-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_ALL)), + EP_INFO("epb-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)), + EP_INFO("epc-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)), + EP_INFO("epdin-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + +#undef EP_INFO }; /*-------------------------------------------------------------------------*/ @@ -3200,10 +3210,12 @@ static void __init nbu2ss_drv_ep_init(struct nbu2ss_udc *udc) ep->desc = NULL; ep->ep.driver_data = NULL; - ep->ep.name = gp_ep_name[i]; + ep->ep.name = ep_info[i].name; + ep->ep.caps = ep_info[i].caps; ep->ep.ops = &nbu2ss_ep_ops; - ep->ep.maxpacket = (i == 0 ? EP0_PACKETSIZE : EP_PACKETSIZE); + usb_ep_set_maxpacket_limit(&ep->ep, + i == 0 ? EP0_PACKETSIZE : EP_PACKETSIZE); list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); INIT_LIST_HEAD(&ep->queue); diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index 6d6200e37b71..f243f0b431c3 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -406,8 +406,11 @@ static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg, static inline bool ci_otg_is_fsm_mode(struct ci_hdrc *ci) { #ifdef CONFIG_USB_OTG_FSM + struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps; + return ci->is_otg && ci->roles[CI_ROLE_HOST] && - ci->roles[CI_ROLE_GADGET]; + ci->roles[CI_ROLE_GADGET] && (otg_caps->srp_support || + otg_caps->hnp_support || otg_caps->adp_support); #else return false; #endif diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 3ad48e1c0c57..ab6212e888e1 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -560,6 +560,8 @@ static irqreturn_t ci_irq(int irq, void *data) static int ci_get_platdata(struct device *dev, struct ci_hdrc_platform_data *platdata) { + int ret; + if (!platdata->phy_mode) platdata->phy_mode = of_usb_get_phy_mode(dev->of_node); @@ -588,6 +590,19 @@ static int ci_get_platdata(struct device *dev, of_usb_host_tpl_support(dev->of_node); } + if (platdata->dr_mode == USB_DR_MODE_OTG) { + /* We can support HNP and SRP of OTG 2.0 */ + platdata->ci_otg_caps.otg_rev = 0x0200; + platdata->ci_otg_caps.hnp_support = true; + platdata->ci_otg_caps.srp_support = true; + + /* Update otg capabilities by DT properties */ + ret = of_usb_update_otg_caps(dev->of_node, + &platdata->ci_otg_caps); + if (ret) + return ret; + } + if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL) platdata->flags |= CI_HDRC_FORCE_FULLSPEED; diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index 5b7061a33103..3869c6d75515 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -10,6 +10,7 @@ #include <linux/usb/phy.h> #include <linux/usb/otg.h> #include <linux/usb/otg-fsm.h> +#include <linux/usb/chipidea.h> #include "ci.h" #include "udc.h" diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 764f668d45a9..c592b6f0fe21 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1624,6 +1624,20 @@ static int init_eps(struct ci_hdrc *ci) hwep->ep.name = hwep->name; hwep->ep.ops = &usb_ep_ops; + + if (i == 0) { + hwep->ep.caps.type_control = true; + } else { + hwep->ep.caps.type_iso = true; + hwep->ep.caps.type_bulk = true; + hwep->ep.caps.type_int = true; + } + + if (j == TX) + hwep->ep.caps.dir_in = true; + else + hwep->ep.caps.dir_out = true; + /* * for ep0: maxP defined in desc, for other * eps, maxP is set by epautoconfig() called @@ -1827,6 +1841,7 @@ static irqreturn_t udc_irq(struct ci_hdrc *ci) static int udc_start(struct ci_hdrc *ci) { struct device *dev = ci->dev; + struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps; int retval = 0; spin_lock_init(&ci->lock); @@ -1834,8 +1849,12 @@ static int udc_start(struct ci_hdrc *ci) ci->gadget.ops = &usb_gadget_ops; ci->gadget.speed = USB_SPEED_UNKNOWN; ci->gadget.max_speed = USB_SPEED_HIGH; - ci->gadget.is_otg = ci->is_otg ? 1 : 0; ci->gadget.name = ci->platdata->name; + ci->gadget.otg_caps = otg_caps; + + if (ci->is_otg && (otg_caps->hnp_support || otg_caps->srp_support || + otg_caps->adp_support)) + ci->gadget.is_otg = 1; INIT_LIST_HEAD(&ci->gadget.ep_list); diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index b530fd403ffb..9e39286a4e5a 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -154,6 +154,62 @@ bool of_usb_host_tpl_support(struct device_node *np) return false; } EXPORT_SYMBOL_GPL(of_usb_host_tpl_support); + +/** + * of_usb_update_otg_caps - to update usb otg capabilities according to + * the passed properties in DT. + * @np: Pointer to the given device_node + * @otg_caps: Pointer to the target usb_otg_caps to be set + * + * The function updates the otg capabilities + */ +int of_usb_update_otg_caps(struct device_node *np, + struct usb_otg_caps *otg_caps) +{ + u32 otg_rev; + + if (!otg_caps) + return -EINVAL; + + if (!of_property_read_u32(np, "otg-rev", &otg_rev)) { + switch (otg_rev) { + case 0x0100: + case 0x0120: + case 0x0130: + case 0x0200: + /* Choose the lesser one if it's already been set */ + if (otg_caps->otg_rev) + otg_caps->otg_rev = min_t(u16, otg_rev, + otg_caps->otg_rev); + else + otg_caps->otg_rev = otg_rev; + break; + default: + pr_err("%s: unsupported otg-rev: 0x%x\n", + np->full_name, otg_rev); + return -EINVAL; + } + } else { + /* + * otg-rev is mandatory for otg properties, if not passed + * we set it to be 0 and assume it's a legacy otg device. + * Non-dt platform can set it afterwards. + */ + otg_caps->otg_rev = 0; + } + + if (of_find_property(np, "hnp-disable", NULL)) + otg_caps->hnp_support = false; + if (of_find_property(np, "srp-disable", NULL)) + otg_caps->srp_support = false; + if (of_find_property(np, "adp-disable", NULL) || + (otg_caps->otg_rev < 0x0200)) + otg_caps->adp_support = false; + + return 0; +} +EXPORT_SYMBOL_GPL(of_usb_update_otg_caps); + #endif MODULE_LICENSE("GPL"); diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 4d47b7c09238..3ee5b4c77a1f 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2880,7 +2880,7 @@ static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value) epctl = readl(hs->regs + epreg); if (value) { - epctl |= DXEPCTL_STALL + DXEPCTL_SNAK; + epctl |= DXEPCTL_STALL | DXEPCTL_SNAK; if (epctl & DXEPCTL_EPENA) epctl |= DXEPCTL_EPDIS; } else { @@ -3289,6 +3289,19 @@ static void s3c_hsotg_initep(struct dwc2_hsotg *hsotg, usb_ep_set_maxpacket_limit(&hs_ep->ep, epnum ? 1024 : EP0_MPS_LIMIT); hs_ep->ep.ops = &s3c_hsotg_ep_ops; + if (epnum == 0) { + hs_ep->ep.caps.type_control = true; + } else { + hs_ep->ep.caps.type_iso = true; + hs_ep->ep.caps.type_bulk = true; + hs_ep->ep.caps.type_int = true; + } + + if (dir_in) + hs_ep->ep.caps.dir_in = true; + else + hs_ep->ep.caps.dir_out = true; + /* * if we're using dma, we need to set the next-endpoint pointer * to be something valid. diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index dede32e809b6..5a42c4590402 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -104,11 +104,4 @@ config USB_DWC3_QCOM Recent Qualcomm SoCs ship with one DesignWare Core USB3 IP inside, say 'Y' or 'M' if you have one such device. -comment "Debugging features" - -config USB_DWC3_DEBUG - bool "Enable Debugging Messages" - help - Say Y here to enable debugging messages on DWC3 Driver. - endif diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile index c7076e37c4ed..acc951d46c27 100644 --- a/drivers/usb/dwc3/Makefile +++ b/drivers/usb/dwc3/Makefile @@ -1,8 +1,6 @@ # define_trace.h needs to know how to find our header CFLAGS_trace.o := -I$(src) -ccflags-$(CONFIG_USB_DWC3_DEBUG) := -DDEBUG - obj-$(CONFIG_USB_DWC3) += dwc3.o dwc3-y := core.o debug.o trace.o diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index ff5773c66b84..064123e44566 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -455,8 +455,6 @@ static int dwc3_phy_setup(struct dwc3 *dwc) reg |= DWC3_GUSB2PHYCFG_ULPI_UTMI; dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); } else { - dev_warn(dwc->dev, "HSPHY Interface not defined\n"); - /* Relying on default value. */ if (!(reg & DWC3_GUSB2PHYCFG_ULPI_UTMI)) break; diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index 7bd0a95b2815..dd5cb5577dca 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -145,7 +145,7 @@ static int dwc3_exynos_probe(struct platform_device *pdev) exynos->susp_clk = devm_clk_get(dev, "usbdrd30_susp_clk"); if (IS_ERR(exynos->susp_clk)) { - dev_dbg(dev, "no suspend clk specified\n"); + dev_info(dev, "no suspend clk specified\n"); exynos->susp_clk = NULL; } clk_prepare_enable(exynos->susp_clk); diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c index fe3b9335a74e..2be268d2423d 100644 --- a/drivers/usb/dwc3/dwc3-keystone.c +++ b/drivers/usb/dwc3/dwc3-keystone.c @@ -115,7 +115,7 @@ static int kdwc3_probe(struct platform_device *pdev) error = clk_prepare_enable(kdwc->clk); if (error < 0) { - dev_dbg(kdwc->dev, "unable to enable usb clock, err %d\n", + dev_err(kdwc->dev, "unable to enable usb clock, error %d\n", error); return error; } diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 6b486a36863c..a5a1b7c45743 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -128,8 +128,7 @@ struct dwc3_omap { u32 dma_status:1; - struct extcon_specific_cable_nb extcon_vbus_dev; - struct extcon_specific_cable_nb extcon_id_dev; + struct extcon_dev *edev; struct notifier_block vbus_nb; struct notifier_block id_nb; @@ -225,12 +224,10 @@ static void dwc3_omap_set_mailbox(struct dwc3_omap *omap, switch (status) { case OMAP_DWC3_ID_GROUND: - dev_dbg(omap->dev, "ID GND\n"); - if (omap->vbus_reg) { ret = regulator_enable(omap->vbus_reg); if (ret) { - dev_dbg(omap->dev, "regulator enable failed\n"); + dev_err(omap->dev, "regulator enable failed\n"); return; } } @@ -245,8 +242,6 @@ static void dwc3_omap_set_mailbox(struct dwc3_omap *omap, break; case OMAP_DWC3_VBUS_VALID: - dev_dbg(omap->dev, "VBUS Connect\n"); - val = dwc3_omap_read_utmi_ctrl(omap); val &= ~USBOTGSS_UTMI_OTG_CTRL_SESSEND; val |= USBOTGSS_UTMI_OTG_CTRL_IDDIG @@ -261,8 +256,6 @@ static void dwc3_omap_set_mailbox(struct dwc3_omap *omap, regulator_disable(omap->vbus_reg); case OMAP_DWC3_VBUS_OFF: - dev_dbg(omap->dev, "VBUS Disconnect\n"); - val = dwc3_omap_read_utmi_ctrl(omap); val &= ~(USBOTGSS_UTMI_OTG_CTRL_SESSVALID | USBOTGSS_UTMI_OTG_CTRL_VBUSVALID @@ -273,7 +266,7 @@ static void dwc3_omap_set_mailbox(struct dwc3_omap *omap, break; default: - dev_dbg(omap->dev, "invalid state\n"); + dev_WARN(omap->dev, "invalid state\n"); } } @@ -284,37 +277,8 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap) reg = dwc3_omap_read_irqmisc_status(omap); - if (reg & USBOTGSS_IRQMISC_DMADISABLECLR) { - dev_dbg(omap->dev, "DMA Disable was Cleared\n"); + if (reg & USBOTGSS_IRQMISC_DMADISABLECLR) omap->dma_status = false; - } - - if (reg & USBOTGSS_IRQMISC_OEVT) - dev_dbg(omap->dev, "OTG Event\n"); - - if (reg & USBOTGSS_IRQMISC_DRVVBUS_RISE) - dev_dbg(omap->dev, "DRVVBUS Rise\n"); - - if (reg & USBOTGSS_IRQMISC_CHRGVBUS_RISE) - dev_dbg(omap->dev, "CHRGVBUS Rise\n"); - - if (reg & USBOTGSS_IRQMISC_DISCHRGVBUS_RISE) - dev_dbg(omap->dev, "DISCHRGVBUS Rise\n"); - - if (reg & USBOTGSS_IRQMISC_IDPULLUP_RISE) - dev_dbg(omap->dev, "IDPULLUP Rise\n"); - - if (reg & USBOTGSS_IRQMISC_DRVVBUS_FALL) - dev_dbg(omap->dev, "DRVVBUS Fall\n"); - - if (reg & USBOTGSS_IRQMISC_CHRGVBUS_FALL) - dev_dbg(omap->dev, "CHRGVBUS Fall\n"); - - if (reg & USBOTGSS_IRQMISC_DISCHRGVBUS_FALL) - dev_dbg(omap->dev, "DISCHRGVBUS Fall\n"); - - if (reg & USBOTGSS_IRQMISC_IDPULLUP_FALL) - dev_dbg(omap->dev, "IDPULLUP Fall\n"); dwc3_omap_write_irqmisc_status(omap, reg); @@ -434,7 +398,7 @@ static void dwc3_omap_set_utmi_mode(struct dwc3_omap *omap) reg &= ~USBOTGSS_UTMI_OTG_CTRL_SW_MODE; break; default: - dev_dbg(omap->dev, "UNKNOWN utmi mode %d\n", utmi_mode); + dev_WARN(omap->dev, "UNKNOWN utmi mode %d\n", utmi_mode); } dwc3_omap_write_utmi_ctrl(omap, reg); @@ -454,23 +418,23 @@ static int dwc3_omap_extcon_register(struct dwc3_omap *omap) } omap->vbus_nb.notifier_call = dwc3_omap_vbus_notifier; - ret = extcon_register_interest(&omap->extcon_vbus_dev, - edev->name, "USB", - &omap->vbus_nb); + ret = extcon_register_notifier(edev, EXTCON_USB, + &omap->vbus_nb); if (ret < 0) dev_vdbg(omap->dev, "failed to register notifier for USB\n"); omap->id_nb.notifier_call = dwc3_omap_id_notifier; - ret = extcon_register_interest(&omap->extcon_id_dev, - edev->name, "USB-HOST", - &omap->id_nb); + ret = extcon_register_notifier(edev, EXTCON_USB_HOST, + &omap->id_nb); if (ret < 0) dev_vdbg(omap->dev, "failed to register notifier for USB-HOST\n"); - if (extcon_get_cable_state(edev, "USB") == true) + if (extcon_get_cable_state_(edev, EXTCON_USB) == true) dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID); - if (extcon_get_cable_state(edev, "USB-HOST") == true) + if (extcon_get_cable_state_(edev, EXTCON_USB_HOST) == true) dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND); + + omap->edev = edev; } return 0; @@ -565,11 +529,8 @@ static int dwc3_omap_probe(struct platform_device *pdev) return 0; err3: - if (omap->extcon_vbus_dev.edev) - extcon_unregister_interest(&omap->extcon_vbus_dev); - if (omap->extcon_id_dev.edev) - extcon_unregister_interest(&omap->extcon_id_dev); - + extcon_unregister_notifier(omap->edev, EXTCON_USB, &omap->vbus_nb); + extcon_unregister_notifier(omap->edev, EXTCON_USB_HOST, &omap->id_nb); err2: dwc3_omap_disable_irqs(omap); @@ -586,10 +547,8 @@ static int dwc3_omap_remove(struct platform_device *pdev) { struct dwc3_omap *omap = platform_get_drvdata(pdev); - if (omap->extcon_vbus_dev.edev) - extcon_unregister_interest(&omap->extcon_vbus_dev); - if (omap->extcon_id_dev.edev) - extcon_unregister_interest(&omap->extcon_id_dev); + extcon_unregister_notifier(omap->edev, EXTCON_USB, &omap->vbus_nb); + extcon_unregister_notifier(omap->edev, EXTCON_USB_HOST, &omap->id_nb); dwc3_omap_disable_irqs(omap); of_platform_depopulate(omap->dev); pm_runtime_put_sync(&pdev->dev); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 27e4fc896e9d..f62617999f3c 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -83,17 +83,23 @@ static int dwc3_pci_quirks(struct pci_dev *pdev) acpi_dev_add_driver_gpios(ACPI_COMPANION(&pdev->dev), acpi_dwc3_byt_gpios); - /* These GPIOs will turn on the USB2 PHY */ - gpio = gpiod_get(&pdev->dev, "cs"); - if (!IS_ERR(gpio)) { - gpiod_direction_output(gpio, 0); - gpiod_set_value_cansleep(gpio, 1); - gpiod_put(gpio); - } + /* + * These GPIOs will turn on the USB2 PHY. Note that we have to + * put the gpio descriptors again here because the phy driver + * might want to grab them, too. + */ + gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW); + if (IS_ERR(gpio)) + return PTR_ERR(gpio); + + gpiod_set_value_cansleep(gpio, 1); + gpiod_put(gpio); + + gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(gpio)) + return PTR_ERR(gpio); - gpio = gpiod_get(&pdev->dev, "reset"); - if (!IS_ERR(gpio)) { - gpiod_direction_output(gpio, 0); + if (gpio) { gpiod_set_value_cansleep(gpio, 1); gpiod_put(gpio); usleep_range(10000, 11000); diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index 8c2e8eec80c2..088026048f49 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -48,13 +48,13 @@ static int dwc3_qcom_probe(struct platform_device *pdev) qdwc->iface_clk = devm_clk_get(qdwc->dev, "iface"); if (IS_ERR(qdwc->iface_clk)) { - dev_dbg(qdwc->dev, "failed to get optional iface clock\n"); + dev_info(qdwc->dev, "failed to get optional iface clock\n"); qdwc->iface_clk = NULL; } qdwc->sleep_clk = devm_clk_get(qdwc->dev, "sleep"); if (IS_ERR(qdwc->sleep_clk)) { - dev_dbg(qdwc->dev, "failed to get optional sleep clock\n"); + dev_info(qdwc->dev, "failed to get optional sleep clock\n"); qdwc->sleep_clk = NULL; } diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index 4a1a543deeda..de4d52f62517 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -135,8 +135,6 @@ static int st_dwc3_drd_init(struct st_dwc3 *dwc3_data) | USB3_SEL_FORCE_DMPULLDOWN2 | USB3_FORCE_DMPULLDOWN2); val |= USB3_DEVICE_NOT_HOST; - - dev_dbg(dwc3_data->dev, "Configuring as Device\n"); break; case USB_DR_MODE_HOST: @@ -154,8 +152,6 @@ static int st_dwc3_drd_init(struct st_dwc3 *dwc3_data) */ val |= USB3_DELAY_VBUSVALID; - - dev_dbg(dwc3_data->dev, "Configuring as Host\n"); break; default: diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 69e769c35cf5..5320e939e090 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -56,7 +56,7 @@ static const char *dwc3_ep0_state_string(enum dwc3_ep0_state state) } static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, - u32 len, u32 type) + u32 len, u32 type, bool chain) { struct dwc3_gadget_ep_cmd_params params; struct dwc3_trb *trb; @@ -70,7 +70,10 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, return 0; } - trb = dwc->ep0_trb; + trb = &dwc->ep0_trb[dep->free_slot]; + + if (chain) + dep->free_slot++; trb->bpl = lower_32_bits(buf_dma); trb->bph = upper_32_bits(buf_dma); @@ -78,10 +81,17 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, trb->ctrl = type; trb->ctrl |= (DWC3_TRB_CTRL_HWO - | DWC3_TRB_CTRL_LST - | DWC3_TRB_CTRL_IOC | DWC3_TRB_CTRL_ISP_IMI); + if (chain) + trb->ctrl |= DWC3_TRB_CTRL_CHN; + else + trb->ctrl |= (DWC3_TRB_CTRL_IOC + | DWC3_TRB_CTRL_LST); + + if (chain) + return 0; + memset(¶ms, 0, sizeof(params)); params.param0 = upper_32_bits(dwc->ep0_trb_addr); params.param1 = lower_32_bits(dwc->ep0_trb_addr); @@ -302,7 +312,7 @@ void dwc3_ep0_out_start(struct dwc3 *dwc) int ret; ret = dwc3_ep0_start_trans(dwc, 0, dwc->ctrl_req_addr, 8, - DWC3_TRBCTL_CONTROL_SETUP); + DWC3_TRBCTL_CONTROL_SETUP, false); WARN_ON(ret < 0); } @@ -783,7 +793,11 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, struct usb_request *ur; struct dwc3_trb *trb; struct dwc3_ep *ep0; - u32 transferred; + unsigned transfer_size = 0; + unsigned maxp; + unsigned remaining_ur_length; + void *buf; + u32 transferred = 0; u32 status; u32 length; u8 epnum; @@ -812,17 +826,37 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, } ur = &r->request; + buf = ur->buf; + remaining_ur_length = ur->length; length = trb->size & DWC3_TRB_SIZE_MASK; + maxp = ep0->endpoint.maxpacket; + if (dwc->ep0_bounced) { - unsigned transfer_size = ur->length; - unsigned maxp = ep0->endpoint.maxpacket; + /* + * Handle the first TRB before handling the bounce buffer if + * the request length is greater than the bounce buffer size + */ + if (ur->length > DWC3_EP0_BOUNCE_SIZE) { + transfer_size = ALIGN(ur->length - maxp, maxp); + transferred = transfer_size - length; + buf = (u8 *)buf + transferred; + ur->actual += transferred; + remaining_ur_length -= transferred; + + trb++; + length = trb->size & DWC3_TRB_SIZE_MASK; - transfer_size += (maxp - (transfer_size % maxp)); - transferred = min_t(u32, ur->length, - transfer_size - length); - memcpy(ur->buf, dwc->ep0_bounce, transferred); + ep0->free_slot = 0; + } + + transfer_size = roundup((ur->length - transfer_size), + maxp); + + transferred = min_t(u32, remaining_ur_length, + transfer_size - length); + memcpy(buf, dwc->ep0_bounce, transferred); } else { transferred = ur->length - length; } @@ -844,7 +878,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, ret = dwc3_ep0_start_trans(dwc, epnum, dwc->ctrl_req_addr, 0, - DWC3_TRBCTL_CONTROL_DATA); + DWC3_TRBCTL_CONTROL_DATA, false); WARN_ON(ret < 0); } } @@ -928,10 +962,10 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, if (req->request.length == 0) { ret = dwc3_ep0_start_trans(dwc, dep->number, dwc->ctrl_req_addr, 0, - DWC3_TRBCTL_CONTROL_DATA); + DWC3_TRBCTL_CONTROL_DATA, false); } else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket) && (dep->number == 0)) { - u32 transfer_size; + u32 transfer_size = 0; u32 maxpacket; ret = usb_gadget_map_request(&dwc->gadget, &req->request, @@ -941,21 +975,26 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, return; } - WARN_ON(req->request.length > DWC3_EP0_BOUNCE_SIZE); - maxpacket = dep->endpoint.maxpacket; - transfer_size = roundup(req->request.length, maxpacket); + + if (req->request.length > DWC3_EP0_BOUNCE_SIZE) { + transfer_size = ALIGN(req->request.length - maxpacket, + maxpacket); + ret = dwc3_ep0_start_trans(dwc, dep->number, + req->request.dma, + transfer_size, + DWC3_TRBCTL_CONTROL_DATA, + true); + } + + transfer_size = roundup((req->request.length - transfer_size), + maxpacket); dwc->ep0_bounced = true; - /* - * REVISIT in case request length is bigger than - * DWC3_EP0_BOUNCE_SIZE we will need two chained - * TRBs to handle the transfer. - */ ret = dwc3_ep0_start_trans(dwc, dep->number, dwc->ep0_bounce_addr, transfer_size, - DWC3_TRBCTL_CONTROL_DATA); + DWC3_TRBCTL_CONTROL_DATA, false); } else { ret = usb_gadget_map_request(&dwc->gadget, &req->request, dep->number); @@ -965,7 +1004,8 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, } ret = dwc3_ep0_start_trans(dwc, dep->number, req->request.dma, - req->request.length, DWC3_TRBCTL_CONTROL_DATA); + req->request.length, DWC3_TRBCTL_CONTROL_DATA, + false); } WARN_ON(ret < 0); @@ -980,7 +1020,7 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep *dep) : DWC3_TRBCTL_CONTROL_STATUS2; return dwc3_ep0_start_trans(dwc, dep->number, - dwc->ctrl_req_addr, 0, type); + dwc->ctrl_req_addr, 0, type, false); } static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 333a7c0078fc..0c25704dcb6b 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -547,6 +547,23 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, trb_link->ctrl |= DWC3_TRB_CTRL_HWO; } + switch (usb_endpoint_type(desc)) { + case USB_ENDPOINT_XFER_CONTROL: + strlcat(dep->name, "-control", sizeof(dep->name)); + break; + case USB_ENDPOINT_XFER_ISOC: + strlcat(dep->name, "-isoc", sizeof(dep->name)); + break; + case USB_ENDPOINT_XFER_BULK: + strlcat(dep->name, "-bulk", sizeof(dep->name)); + break; + case USB_ENDPOINT_XFER_INT: + strlcat(dep->name, "-int", sizeof(dep->name)); + break; + default: + dev_err(dwc->dev, "invalid endpoint transfer type\n"); + } + return 0; } @@ -586,6 +603,8 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) struct dwc3 *dwc = dep->dwc; u32 reg; + dwc3_trace(trace_dwc3_gadget, "Disabling %s", dep->name); + dwc3_remove_requests(dwc, dep); /* make sure HW endpoint isn't stalled */ @@ -602,6 +621,10 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) dep->type = 0; dep->flags = 0; + snprintf(dep->name, sizeof(dep->name), "ep%d%s", + dep->number >> 1, + (dep->number & 1) ? "in" : "out"); + return 0; } @@ -647,23 +670,6 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep, return 0; } - switch (usb_endpoint_type(desc)) { - case USB_ENDPOINT_XFER_CONTROL: - strlcat(dep->name, "-control", sizeof(dep->name)); - break; - case USB_ENDPOINT_XFER_ISOC: - strlcat(dep->name, "-isoc", sizeof(dep->name)); - break; - case USB_ENDPOINT_XFER_BULK: - strlcat(dep->name, "-bulk", sizeof(dep->name)); - break; - case USB_ENDPOINT_XFER_INT: - strlcat(dep->name, "-int", sizeof(dep->name)); - break; - default: - dev_err(dwc->dev, "invalid endpoint transfer type\n"); - } - spin_lock_irqsave(&dwc->lock, flags); ret = __dwc3_gadget_ep_enable(dep, desc, ep->comp_desc, false, false); spin_unlock_irqrestore(&dwc->lock, flags); @@ -692,10 +698,6 @@ static int dwc3_gadget_ep_disable(struct usb_ep *ep) return 0; } - snprintf(dep->name, sizeof(dep->name), "ep%d%s", - dep->number >> 1, - (dep->number & 1) ? "in" : "out"); - spin_lock_irqsave(&dwc->lock, flags); ret = __dwc3_gadget_ep_disable(dep); spin_unlock_irqrestore(&dwc->lock, flags); @@ -1713,6 +1715,17 @@ static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc, return ret; } + if (epnum == 0 || epnum == 1) { + dep->endpoint.caps.type_control = true; + } else { + dep->endpoint.caps.type_iso = true; + dep->endpoint.caps.type_bulk = true; + dep->endpoint.caps.type_int = true; + } + + dep->endpoint.caps.dir_in = !!direction; + dep->endpoint.caps.dir_out = !direction; + INIT_LIST_HEAD(&dep->request_list); INIT_LIST_HEAD(&dep->req_queued); } @@ -2685,7 +2698,7 @@ int dwc3_gadget_init(struct dwc3 *dwc) goto err0; } - dwc->ep0_trb = dma_alloc_coherent(dwc->dev, sizeof(*dwc->ep0_trb), + dwc->ep0_trb = dma_alloc_coherent(dwc->dev, sizeof(*dwc->ep0_trb) * 2, &dwc->ep0_trb_addr, GFP_KERNEL); if (!dwc->ep0_trb) { dev_err(dwc->dev, "failed to allocate ep0 trb\n"); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 58b4657fc721..b474499839d3 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -19,6 +19,7 @@ #include <linux/utsname.h> #include <linux/usb/composite.h> +#include <linux/usb/otg.h> #include <asm/unaligned.h> #include "u_os_desc.h" @@ -209,6 +210,12 @@ int usb_add_function(struct usb_configuration *config, function->config = config; list_add_tail(&function->list, &config->functions); + if (function->bind_deactivated) { + value = usb_function_deactivate(function); + if (value) + goto done; + } + /* REVISIT *require* function->bind? */ if (function->bind) { value = function->bind(config, function); @@ -279,7 +286,7 @@ int usb_function_deactivate(struct usb_function *function) spin_lock_irqsave(&cdev->lock, flags); if (cdev->deactivations == 0) - status = usb_gadget_disconnect(cdev->gadget); + status = usb_gadget_deactivate(cdev->gadget); if (status == 0) cdev->deactivations++; @@ -311,7 +318,7 @@ int usb_function_activate(struct usb_function *function) else { cdev->deactivations--; if (cdev->deactivations == 0) - status = usb_gadget_connect(cdev->gadget); + status = usb_gadget_activate(cdev->gadget); } spin_unlock_irqrestore(&cdev->lock, flags); @@ -896,7 +903,7 @@ void usb_remove_config(struct usb_composite_dev *cdev, /* We support strings in multiple languages ... string descriptor zero * says which languages are supported. The typical case will be that - * only one language (probably English) is used, with I18N handled on + * only one language (probably English) is used, with i18n handled on * the host side. */ @@ -949,7 +956,7 @@ static int get_string(struct usb_composite_dev *cdev, struct usb_function *f; int len; - /* Yes, not only is USB's I18N support probably more than most + /* Yes, not only is USB's i18n support probably more than most * folk will ever care about ... also, it's all supported here. * (Except for UTF8 support for Unicode's "Astral Planes".) */ @@ -1534,6 +1541,32 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) value = min(w_length, (u16) value); } break; + case USB_DT_OTG: + if (gadget_is_otg(gadget)) { + struct usb_configuration *config; + int otg_desc_len = 0; + + if (cdev->config) + config = cdev->config; + else + config = list_first_entry( + &cdev->configs, + struct usb_configuration, list); + if (!config) + goto done; + + if (gadget->otg_caps && + (gadget->otg_caps->otg_rev >= 0x0200)) + otg_desc_len += sizeof( + struct usb_otg20_descriptor); + else + otg_desc_len += sizeof( + struct usb_otg_descriptor); + + value = min_t(int, w_length, otg_desc_len); + memcpy(req->buf, config->descriptors[0], value); + } + break; } break; diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c index 34e12fc52c23..0fafa7a1b6f6 100644 --- a/drivers/usb/gadget/config.c +++ b/drivers/usb/gadget/config.c @@ -20,6 +20,7 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/composite.h> +#include <linux/usb/otg.h> /** * usb_descriptor_fillbuf - fill buffer with descriptors @@ -195,3 +196,58 @@ void usb_free_all_descriptors(struct usb_function *f) usb_free_descriptors(f->ss_descriptors); } EXPORT_SYMBOL_GPL(usb_free_all_descriptors); + +struct usb_descriptor_header *usb_otg_descriptor_alloc( + struct usb_gadget *gadget) +{ + struct usb_descriptor_header *otg_desc; + unsigned length = 0; + + if (gadget->otg_caps && (gadget->otg_caps->otg_rev >= 0x0200)) + length = sizeof(struct usb_otg20_descriptor); + else + length = sizeof(struct usb_otg_descriptor); + + otg_desc = kzalloc(length, GFP_KERNEL); + return otg_desc; +} +EXPORT_SYMBOL_GPL(usb_otg_descriptor_alloc); + +int usb_otg_descriptor_init(struct usb_gadget *gadget, + struct usb_descriptor_header *otg_desc) +{ + struct usb_otg_descriptor *otg1x_desc; + struct usb_otg20_descriptor *otg20_desc; + struct usb_otg_caps *otg_caps = gadget->otg_caps; + u8 otg_attributes = 0; + + if (!otg_desc) + return -EINVAL; + + if (otg_caps && otg_caps->otg_rev) { + if (otg_caps->hnp_support) + otg_attributes |= USB_OTG_HNP; + if (otg_caps->srp_support) + otg_attributes |= USB_OTG_SRP; + if (otg_caps->adp_support && (otg_caps->otg_rev >= 0x0200)) + otg_attributes |= USB_OTG_ADP; + } else { + otg_attributes = USB_OTG_SRP | USB_OTG_HNP; + } + + if (otg_caps && (otg_caps->otg_rev >= 0x0200)) { + otg20_desc = (struct usb_otg20_descriptor *)otg_desc; + otg20_desc->bLength = sizeof(struct usb_otg20_descriptor); + otg20_desc->bDescriptorType = USB_DT_OTG; + otg20_desc->bmAttributes = otg_attributes; + otg20_desc->bcdOTG = cpu_to_le16(otg_caps->otg_rev); + } else { + otg1x_desc = (struct usb_otg_descriptor *)otg_desc; + otg1x_desc->bLength = sizeof(struct usb_otg_descriptor); + otg1x_desc->bDescriptorType = USB_DT_OTG; + otg1x_desc->bmAttributes = otg_attributes; + } + + return 0; +} +EXPORT_SYMBOL_GPL(usb_otg_descriptor_init); diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 289e20119fea..294eb74fb078 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -41,6 +41,8 @@ int check_user_usb_string(const char *name, #define MAX_NAME_LEN 40 #define MAX_USB_STRING_LANGS 2 +static const struct usb_descriptor_header *otg_desc[2]; + struct gadget_info { struct config_group group; struct config_group functions_group; @@ -55,9 +57,6 @@ struct gadget_info { struct list_head available_func; const char *udc_name; -#ifdef CONFIG_USB_OTG - struct usb_otg_descriptor otg; -#endif struct usb_composite_driver composite; struct usb_composite_dev cdev; bool use_os_desc; @@ -1376,6 +1375,19 @@ static int configfs_composite_bind(struct usb_gadget *gadget, memcpy(cdev->qw_sign, gi->qw_sign, OS_STRING_QW_SIGN_LEN); } + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) { + ret = -ENOMEM; + goto err_comp_cleanup; + } + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* Go through all configs, attach all functions */ list_for_each_entry(c, &gi->cdev.configs, list) { struct config_usb_cfg *cfg; @@ -1383,6 +1395,9 @@ static int configfs_composite_bind(struct usb_gadget *gadget, struct usb_function *tmp; struct gadget_config_name *cn; + if (gadget_is_otg(gadget)) + c->descriptors = otg_desc; + cfg = container_of(c, struct config_usb_cfg, c); if (!list_empty(&cfg->string_list)) { i = 0; @@ -1437,6 +1452,8 @@ static void configfs_composite_unbind(struct usb_gadget *gadget) cdev = get_gadget_data(gadget); gi = container_of(cdev, struct gadget_info, cdev); + kfree(otg_desc[0]); + otg_desc[0] = NULL; purge_configs_funcs(gi); composite_dev_cleanup(cdev); usb_ep_autoconfig_reset(cdev->gadget); @@ -1510,12 +1527,6 @@ static struct config_group *gadgets_make( if (!gi->composite.gadget_driver.function) goto err; -#ifdef CONFIG_USB_OTG - gi->otg.bLength = sizeof(struct usb_otg_descriptor); - gi->otg.bDescriptorType = USB_DT_OTG; - gi->otg.bmAttributes = USB_OTG_SRP | USB_OTG_HNP; -#endif - config_group_init_type_name(&gi->group, name, &gadget_root_type); return &gi->group; diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 919cdfdda78b..978435a51038 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -20,186 +20,6 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> -#include "gadget_chips.h" - -/* - * This should work with endpoints from controller drivers sharing the - * same endpoint naming convention. By example: - * - * - ep1, ep2, ... address is fixed, not direction or type - * - ep1in, ep2out, ... address and direction are fixed, not type - * - ep1-bulk, ep2-bulk, ... address and type are fixed, not direction - * - ep1in-bulk, ep2out-iso, ... all three are fixed - * - ep-* ... no functionality restrictions - * - * Type suffixes are "-bulk", "-iso", or "-int". Numbers are decimal. - * Less common restrictions are implied by gadget_is_*(). - * - * NOTE: each endpoint is unidirectional, as specified by its USB - * descriptor; and isn't specific to a configuration or altsetting. - */ -static int -ep_matches ( - struct usb_gadget *gadget, - struct usb_ep *ep, - struct usb_endpoint_descriptor *desc, - struct usb_ss_ep_comp_descriptor *ep_comp -) -{ - u8 type; - const char *tmp; - u16 max; - - int num_req_streams = 0; - - /* endpoint already claimed? */ - if (NULL != ep->driver_data) - return 0; - - /* only support ep0 for portable CONTROL traffic */ - type = usb_endpoint_type(desc); - if (USB_ENDPOINT_XFER_CONTROL == type) - return 0; - - /* some other naming convention */ - if ('e' != ep->name[0]) - return 0; - - /* type-restriction: "-iso", "-bulk", or "-int". - * direction-restriction: "in", "out". - */ - if ('-' != ep->name[2]) { - tmp = strrchr (ep->name, '-'); - if (tmp) { - switch (type) { - case USB_ENDPOINT_XFER_INT: - /* bulk endpoints handle interrupt transfers, - * except the toggle-quirky iso-synch kind - */ - if ('s' == tmp[2]) // == "-iso" - return 0; - /* for now, avoid PXA "interrupt-in"; - * it's documented as never using DATA1. - */ - if (gadget_is_pxa (gadget) - && 'i' == tmp [1]) - return 0; - break; - case USB_ENDPOINT_XFER_BULK: - if ('b' != tmp[1]) // != "-bulk" - return 0; - break; - case USB_ENDPOINT_XFER_ISOC: - if ('s' != tmp[2]) // != "-iso" - return 0; - } - } else { - tmp = ep->name + strlen (ep->name); - } - - /* direction-restriction: "..in-..", "out-.." */ - tmp--; - if (!isdigit (*tmp)) { - if (desc->bEndpointAddress & USB_DIR_IN) { - if ('n' != *tmp) - return 0; - } else { - if ('t' != *tmp) - return 0; - } - } - } - - /* - * Get the number of required streams from the EP companion - * descriptor and see if the EP matches it - */ - if (usb_endpoint_xfer_bulk(desc)) { - if (ep_comp && gadget->max_speed >= USB_SPEED_SUPER) { - num_req_streams = ep_comp->bmAttributes & 0x1f; - if (num_req_streams > ep->max_streams) - return 0; - } - - } - - /* - * If the protocol driver hasn't yet decided on wMaxPacketSize - * and wants to know the maximum possible, provide the info. - */ - if (desc->wMaxPacketSize == 0) - desc->wMaxPacketSize = cpu_to_le16(ep->maxpacket_limit); - - /* endpoint maxpacket size is an input parameter, except for bulk - * where it's an output parameter representing the full speed limit. - * the usb spec fixes high speed bulk maxpacket at 512 bytes. - */ - max = 0x7ff & usb_endpoint_maxp(desc); - switch (type) { - case USB_ENDPOINT_XFER_INT: - /* INT: limit 64 bytes full speed, 1024 high/super speed */ - if (!gadget_is_dualspeed(gadget) && max > 64) - return 0; - /* FALLTHROUGH */ - - case USB_ENDPOINT_XFER_ISOC: - /* ISO: limit 1023 bytes full speed, 1024 high/super speed */ - if (ep->maxpacket_limit < max) - return 0; - if (!gadget_is_dualspeed(gadget) && max > 1023) - return 0; - - /* BOTH: "high bandwidth" works only at high speed */ - if ((desc->wMaxPacketSize & cpu_to_le16(3<<11))) { - if (!gadget_is_dualspeed(gadget)) - return 0; - /* configure your hardware with enough buffering!! */ - } - break; - } - - /* MATCH!! */ - - /* report address */ - desc->bEndpointAddress &= USB_DIR_IN; - if (isdigit (ep->name [2])) { - u8 num = simple_strtoul (&ep->name [2], NULL, 10); - desc->bEndpointAddress |= num; - } else if (desc->bEndpointAddress & USB_DIR_IN) { - if (++gadget->in_epnum > 15) - return 0; - desc->bEndpointAddress = USB_DIR_IN | gadget->in_epnum; - } else { - if (++gadget->out_epnum > 15) - return 0; - desc->bEndpointAddress |= gadget->out_epnum; - } - - /* report (variable) full speed bulk maxpacket */ - if ((USB_ENDPOINT_XFER_BULK == type) && !ep_comp) { - int size = ep->maxpacket_limit; - - /* min() doesn't work on bitfields with gcc-3.5 */ - if (size > 64) - size = 64; - desc->wMaxPacketSize = cpu_to_le16(size); - } - ep->address = desc->bEndpointAddress; - return 1; -} - -static struct usb_ep * -find_ep (struct usb_gadget *gadget, const char *name) -{ - struct usb_ep *ep; - - list_for_each_entry (ep, &gadget->ep_list, ep_list) { - if (0 == strcmp (ep->name, name)) - return ep; - } - return NULL; -} - /** * usb_ep_autoconfig_ss() - choose an endpoint matching the ep * descriptor and ep companion descriptor @@ -240,7 +60,7 @@ find_ep (struct usb_gadget *gadget, const char *name) * updated with the assigned number of streams if it is * different from the original value. To prevent the endpoint * from being returned by a later autoconfig call, claim it by - * assigning ep->driver_data to some non-null value. + * assigning ep->claimed to true. * * On failure, this returns a null endpoint descriptor. */ @@ -255,74 +75,58 @@ struct usb_ep *usb_ep_autoconfig_ss( type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; - /* First, apply chip-specific "best usage" knowledge. - * This might make a good usb_gadget_ops hook ... - */ - if (gadget_is_net2280(gadget)) { - char name[8]; - - if (type == USB_ENDPOINT_XFER_INT) { - /* ep-e, ep-f are PIO with only 64 byte fifos */ - ep = find_ep(gadget, "ep-e"); - if (ep && ep_matches(gadget, ep, desc, ep_comp)) - goto found_ep; - ep = find_ep(gadget, "ep-f"); - if (ep && ep_matches(gadget, ep, desc, ep_comp)) - goto found_ep; - } - - /* USB3380: use same address for usb and hardware endpoints */ - snprintf(name, sizeof(name), "ep%d%s", usb_endpoint_num(desc), - usb_endpoint_dir_in(desc) ? "in" : "out"); - ep = find_ep(gadget, name); - if (ep && ep_matches(gadget, ep, desc, ep_comp)) + if (gadget->ops->match_ep) { + ep = gadget->ops->match_ep(gadget, desc, ep_comp); + if (ep) goto found_ep; - } else if (gadget_is_goku (gadget)) { - if (USB_ENDPOINT_XFER_INT == type) { - /* single buffering is enough */ - ep = find_ep(gadget, "ep3-bulk"); - if (ep && ep_matches(gadget, ep, desc, ep_comp)) - goto found_ep; - } else if (USB_ENDPOINT_XFER_BULK == type - && (USB_DIR_IN & desc->bEndpointAddress)) { - /* DMA may be available */ - ep = find_ep(gadget, "ep2-bulk"); - if (ep && ep_matches(gadget, ep, desc, - ep_comp)) - goto found_ep; - } - -#ifdef CONFIG_BLACKFIN - } else if (gadget_is_musbhdrc(gadget)) { - if ((USB_ENDPOINT_XFER_BULK == type) || - (USB_ENDPOINT_XFER_ISOC == type)) { - if (USB_DIR_IN & desc->bEndpointAddress) - ep = find_ep (gadget, "ep5in"); - else - ep = find_ep (gadget, "ep6out"); - } else if (USB_ENDPOINT_XFER_INT == type) { - if (USB_DIR_IN & desc->bEndpointAddress) - ep = find_ep(gadget, "ep1in"); - else - ep = find_ep(gadget, "ep2out"); - } else - ep = NULL; - if (ep && ep_matches(gadget, ep, desc, ep_comp)) - goto found_ep; -#endif } /* Second, look at endpoints until an unclaimed one looks usable */ list_for_each_entry (ep, &gadget->ep_list, ep_list) { - if (ep_matches(gadget, ep, desc, ep_comp)) + if (usb_gadget_ep_match_desc(gadget, ep, desc, ep_comp)) goto found_ep; } /* Fail */ return NULL; found_ep: + + /* + * If the protocol driver hasn't yet decided on wMaxPacketSize + * and wants to know the maximum possible, provide the info. + */ + if (desc->wMaxPacketSize == 0) + desc->wMaxPacketSize = cpu_to_le16(ep->maxpacket_limit); + + /* report address */ + desc->bEndpointAddress &= USB_DIR_IN; + if (isdigit(ep->name[2])) { + u8 num = simple_strtoul(&ep->name[2], NULL, 10); + desc->bEndpointAddress |= num; + } else if (desc->bEndpointAddress & USB_DIR_IN) { + if (++gadget->in_epnum > 15) + return NULL; + desc->bEndpointAddress = USB_DIR_IN | gadget->in_epnum; + } else { + if (++gadget->out_epnum > 15) + return NULL; + desc->bEndpointAddress |= gadget->out_epnum; + } + + /* report (variable) full speed bulk maxpacket */ + if ((type == USB_ENDPOINT_XFER_BULK) && !ep_comp) { + int size = ep->maxpacket_limit; + + /* min() doesn't work on bitfields with gcc-3.5 */ + if (size > 64) + size = 64; + desc->wMaxPacketSize = cpu_to_le16(size); + } + + ep->address = desc->bEndpointAddress; ep->desc = NULL; ep->comp_desc = NULL; + ep->claimed = true; return ep; } EXPORT_SYMBOL_GPL(usb_ep_autoconfig_ss); @@ -354,7 +158,7 @@ EXPORT_SYMBOL_GPL(usb_ep_autoconfig_ss); * descriptor bEndpointAddress. For bulk endpoints, the wMaxPacket value * is initialized as if the endpoint were used at full speed. To prevent * the endpoint from being returned by a later autoconfig call, claim it - * by assigning ep->driver_data to some non-null value. + * by assigning ep->claimed to true. * * On failure, this returns a null endpoint descriptor. */ @@ -373,7 +177,7 @@ EXPORT_SYMBOL_GPL(usb_ep_autoconfig); * * Use this for devices where one configuration may need to assign * endpoint resources very differently from the next one. It clears - * state such as ep->driver_data and the record of assigned endpoints + * state such as ep->claimed and the record of assigned endpoints * used by usb_ep_autoconfig(). */ void usb_ep_autoconfig_reset (struct usb_gadget *gadget) @@ -381,7 +185,7 @@ void usb_ep_autoconfig_reset (struct usb_gadget *gadget) struct usb_ep *ep; list_for_each_entry (ep, &gadget->ep_list, ep_list) { - ep->driver_data = NULL; + ep->claimed = false; } gadget->in_epnum = 0; gadget->out_epnum = 0; diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c index aad8165e98ef..be9df09fde26 100644 --- a/drivers/usb/gadget/function/f_acm.c +++ b/drivers/usb/gadget/function/f_acm.c @@ -21,7 +21,6 @@ #include <linux/err.h> #include "u_serial.h" -#include "gadget_chips.h" /* diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c index 798760fa7e70..7b7424f10ddd 100644 --- a/drivers/usb/gadget/function/f_ecm.c +++ b/drivers/usb/gadget/function/f_ecm.c @@ -585,8 +585,8 @@ static int ecm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* Enable zlps by default for ECM conformance; * override for musb_hdrc (avoids txdma ovhead). */ - ecm->port.is_zlp_ok = !(gadget_is_musbhdrc(cdev->gadget) - ); + ecm->port.is_zlp_ok = + gadget_is_zlp_supported(cdev->gadget); ecm->port.cdc_filter = DEFAULT_FILTER; DBG(cdev, "activate ecm\n"); net = gether_connect(&ecm->port); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 6e7be91e6097..adc6d52efa46 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -2897,11 +2897,17 @@ static int ffs_func_bind(struct usb_configuration *c, struct usb_function *f) { struct f_fs_opts *ffs_opts = ffs_do_functionfs_bind(f, c); + struct ffs_function *func = ffs_func_from_usb(f); + int ret; if (IS_ERR(ffs_opts)) return PTR_ERR(ffs_opts); - return _ffs_func_bind(c, f); + ret = _ffs_func_bind(c, f); + if (ret && !--ffs_opts->refcnt) + functionfs_unbind(func->ffs); + + return ret; } diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c index 39f49f1ad22f..6e2fe63b9267 100644 --- a/drivers/usb/gadget/function/f_loopback.c +++ b/drivers/usb/gadget/function/f_loopback.c @@ -28,11 +28,6 @@ * This takes messages of various sizes written OUT to a device, and loops * them back so they can be read IN from it. It has been used by certain * test applications. It supports limited testing of data queueing logic. - * - * - * This is currently packaged as a configuration driver, which can't be - * combined with other functions to make composite devices. However, it - * can be combined with other independent configurations. */ struct f_loopback { struct usb_function function; diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index f936268d26c6..a6eb537d7768 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -54,7 +54,7 @@ * following fields: * * nluns Number of LUNs function have (anywhere from 1 - * to FSG_MAX_LUNS which is 8). + * to FSG_MAX_LUNS). * luns An array of LUN configuration values. This * should be filled for each LUN that * function will include (ie. for "nluns" @@ -214,12 +214,12 @@ #include <linux/string.h> #include <linux/freezer.h> #include <linux/module.h> +#include <linux/uaccess.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/composite.h> -#include "gadget_chips.h" #include "configfs.h" @@ -279,9 +279,8 @@ struct fsg_common { int cmnd_size; u8 cmnd[MAX_COMMAND_SIZE]; - unsigned int nluns; unsigned int lun; - struct fsg_lun **luns; + struct fsg_lun *luns[FSG_MAX_LUNS]; struct fsg_lun *curlun; unsigned int bulk_out_maxpacket; @@ -490,6 +489,16 @@ static void bulk_out_complete(struct usb_ep *ep, struct usb_request *req) spin_unlock(&common->lock); } +static int _fsg_common_get_max_lun(struct fsg_common *common) +{ + int i = ARRAY_SIZE(common->luns) - 1; + + while (i >= 0 && !common->luns[i]) + --i; + + return i; +} + static int fsg_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl) { @@ -533,7 +542,7 @@ static int fsg_setup(struct usb_function *f, w_length != 1) return -EDOM; VDBG(fsg, "get max LUN\n"); - *(u8 *)req->buf = fsg->common->nluns - 1; + *(u8 *)req->buf = _fsg_common_get_max_lun(fsg->common); /* Respond with data/status */ req->length = min((u16)1, w_length); @@ -2131,8 +2140,9 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) } /* Is the CBW meaningful? */ - if (cbw->Lun >= FSG_MAX_LUNS || cbw->Flags & ~US_BULK_FLAG_IN || - cbw->Length <= 0 || cbw->Length > MAX_COMMAND_SIZE) { + if (cbw->Lun >= ARRAY_SIZE(common->luns) || + cbw->Flags & ~US_BULK_FLAG_IN || cbw->Length <= 0 || + cbw->Length > MAX_COMMAND_SIZE) { DBG(fsg, "non-meaningful CBW: lun = %u, flags = 0x%x, " "cmdlen %u\n", cbw->Lun, cbw->Flags, cbw->Length); @@ -2159,7 +2169,7 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) if (common->data_size == 0) common->data_dir = DATA_DIR_NONE; common->lun = cbw->Lun; - if (common->lun < common->nluns) + if (common->lun < ARRAY_SIZE(common->luns)) common->curlun = common->luns[common->lun]; else common->curlun = NULL; @@ -2307,7 +2317,7 @@ reset: } common->running = 1; - for (i = 0; i < common->nluns; ++i) + for (i = 0; i < ARRAY_SIZE(common->luns); ++i) if (common->luns[i]) common->luns[i]->unit_attention_data = SS_RESET_OCCURRED; @@ -2409,7 +2419,7 @@ static void handle_exception(struct fsg_common *common) if (old_state == FSG_STATE_ABORT_BULK_OUT) common->state = FSG_STATE_STATUS_PHASE; else { - for (i = 0; i < common->nluns; ++i) { + for (i = 0; i < ARRAY_SIZE(common->luns); ++i) { curlun = common->luns[i]; if (!curlun) continue; @@ -2453,7 +2463,7 @@ static void handle_exception(struct fsg_common *common) * a waste of time. Ditto for the INTERFACE_CHANGE and * CONFIG_CHANGE cases. */ - /* for (i = 0; i < common->nluns; ++i) */ + /* for (i = 0; i < common->ARRAY_SIZE(common->luns); ++i) */ /* if (common->luns[i]) */ /* common->luns[i]->unit_attention_data = */ /* SS_RESET_OCCURRED; */ @@ -2552,12 +2562,11 @@ static int fsg_main_thread(void *common_) if (!common->ops || !common->ops->thread_exits || common->ops->thread_exits(common) < 0) { - struct fsg_lun **curlun_it = common->luns; - unsigned i = common->nluns; + int i; down_write(&common->filesem); - for (; i--; ++curlun_it) { - struct fsg_lun *curlun = *curlun_it; + for (i = 0; i < ARRAY_SIZE(common->luns); --i) { + struct fsg_lun *curlun = common->luns[i]; if (!curlun || !fsg_lun_is_open(curlun)) continue; @@ -2676,6 +2685,7 @@ static struct fsg_common *fsg_common_setup(struct fsg_common *common) init_completion(&common->thread_notifier); init_waitqueue_head(&common->fsg_wait); common->state = FSG_STATE_TERMINATED; + memset(common->luns, 0, sizeof(common->luns)); return common; } @@ -2742,9 +2752,9 @@ error_release: } EXPORT_SYMBOL_GPL(fsg_common_set_num_buffers); -void fsg_common_remove_lun(struct fsg_lun *lun, bool sysfs) +void fsg_common_remove_lun(struct fsg_lun *lun) { - if (sysfs) + if (device_is_registered(&lun->dev)) device_unregister(&lun->dev); fsg_lun_close(lun); kfree(lun); @@ -2757,48 +2767,16 @@ static void _fsg_common_remove_luns(struct fsg_common *common, int n) for (i = 0; i < n; ++i) if (common->luns[i]) { - fsg_common_remove_lun(common->luns[i], common->sysfs); + fsg_common_remove_lun(common->luns[i]); common->luns[i] = NULL; } } -EXPORT_SYMBOL_GPL(fsg_common_remove_luns); void fsg_common_remove_luns(struct fsg_common *common) { - _fsg_common_remove_luns(common, common->nluns); -} - -void fsg_common_free_luns(struct fsg_common *common) -{ - fsg_common_remove_luns(common); - kfree(common->luns); - common->luns = NULL; -} -EXPORT_SYMBOL_GPL(fsg_common_free_luns); - -int fsg_common_set_nluns(struct fsg_common *common, int nluns) -{ - struct fsg_lun **curlun; - - /* Find out how many LUNs there should be */ - if (nluns < 1 || nluns > FSG_MAX_LUNS) { - pr_err("invalid number of LUNs: %u\n", nluns); - return -EINVAL; - } - - curlun = kcalloc(FSG_MAX_LUNS, sizeof(*curlun), GFP_KERNEL); - if (unlikely(!curlun)) - return -ENOMEM; - - if (common->luns) - fsg_common_free_luns(common); - - common->luns = curlun; - common->nluns = nluns; - - return 0; + _fsg_common_remove_luns(common, ARRAY_SIZE(common->luns)); } -EXPORT_SYMBOL_GPL(fsg_common_set_nluns); +EXPORT_SYMBOL_GPL(fsg_common_remove_luns); void fsg_common_set_ops(struct fsg_common *common, const struct fsg_operations *ops) @@ -2836,7 +2814,8 @@ int fsg_common_set_cdev(struct fsg_common *common, * halt bulk endpoints correctly. If one of them is present, * disable stalls. */ - common->can_stall = can_stall && !(gadget_is_at91(common->gadget)); + common->can_stall = can_stall && + gadget_is_stall_supported(common->gadget); return 0; } @@ -2880,7 +2859,7 @@ int fsg_common_create_lun(struct fsg_common *common, struct fsg_lun_config *cfg, char *pathbuf, *p; int rc = -ENOMEM; - if (!common->nluns || !common->luns) + if (id >= ARRAY_SIZE(common->luns)) return -ENODEV; if (common->luns[id]) @@ -2949,7 +2928,7 @@ int fsg_common_create_lun(struct fsg_common *common, struct fsg_lun_config *cfg, return 0; error_lun: - if (common->sysfs) + if (device_is_registered(&lun->dev)) device_unregister(&lun->dev); fsg_lun_close(lun); common->luns[id] = NULL; @@ -2964,14 +2943,16 @@ int fsg_common_create_luns(struct fsg_common *common, struct fsg_config *cfg) char buf[8]; /* enough for 100000000 different numbers, decimal */ int i, rc; - for (i = 0; i < common->nluns; ++i) { + fsg_common_remove_luns(common); + + for (i = 0; i < cfg->nluns; ++i) { snprintf(buf, sizeof(buf), "lun%d", i); rc = fsg_common_create_lun(common, &cfg->luns[i], i, buf, NULL); if (rc) goto fail; } - pr_info("Number of LUNs=%d\n", common->nluns); + pr_info("Number of LUNs=%d\n", cfg->nluns); return 0; @@ -3020,6 +3001,7 @@ EXPORT_SYMBOL_GPL(fsg_common_run_thread); static void fsg_common_release(struct kref *ref) { struct fsg_common *common = container_of(ref, struct fsg_common, ref); + int i; /* If the thread isn't already dead, tell it to exit now */ if (common->state != FSG_STATE_TERMINATED) { @@ -3027,22 +3009,14 @@ static void fsg_common_release(struct kref *ref) wait_for_completion(&common->thread_notifier); } - if (likely(common->luns)) { - struct fsg_lun **lun_it = common->luns; - unsigned i = common->nluns; - - /* In error recovery common->nluns may be zero. */ - for (; i; --i, ++lun_it) { - struct fsg_lun *lun = *lun_it; - if (!lun) - continue; - fsg_lun_close(lun); - if (common->sysfs) - device_unregister(&lun->dev); - kfree(lun); - } - - kfree(common->luns); + for (i = 0; i < ARRAY_SIZE(common->luns); ++i) { + struct fsg_lun *lun = common->luns[i]; + if (!lun) + continue; + fsg_lun_close(lun); + if (device_is_registered(&lun->dev)) + device_unregister(&lun->dev); + kfree(lun); } _fsg_common_free_buffers(common->buffhds, common->fsg_num_buffers); @@ -3056,6 +3030,7 @@ static void fsg_common_release(struct kref *ref) static int fsg_bind(struct usb_configuration *c, struct usb_function *f) { struct fsg_dev *fsg = fsg_from_func(f); + struct fsg_common *common = fsg->common; struct usb_gadget *gadget = c->cdev->gadget; int i; struct usb_ep *ep; @@ -3063,6 +3038,13 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) int ret; struct fsg_opts *opts; + /* Don't allow to bind if we don't have at least one LUN */ + ret = _fsg_common_get_max_lun(common); + if (ret < 0) { + pr_err("There should be at least one LUN.\n"); + return -EINVAL; + } + opts = fsg_opts_from_func_inst(f->fi); if (!opts->no_configfs) { ret = fsg_common_set_cdev(fsg->common, c->cdev, @@ -3080,7 +3062,7 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) /* New interface */ i = usb_interface_id(c, f); if (i < 0) - return i; + goto fail; fsg_intf_desc.bInterfaceNumber = i; fsg->interface_number = i; @@ -3123,7 +3105,14 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) autoconf_fail: ERROR(fsg, "unable to autoconfigure all endpoints\n"); - return -ENOTSUPP; + i = -ENOTSUPP; +fail: + /* terminate the thread */ + if (fsg->common->state != FSG_STATE_TERMINATED) { + raise_exception(fsg->common, FSG_STATE_EXIT); + wait_for_completion(&fsg->common->thread_notifier); + } + return i; } /****************************** ALLOCATE FUNCTION *************************/ @@ -3355,7 +3344,7 @@ static void fsg_lun_drop(struct config_group *group, struct config_item *item) unregister_gadget_item(gadget); } - fsg_common_remove_lun(lun_opts->lun, fsg_opts->common->sysfs); + fsg_common_remove_lun(lun_opts->lun); fsg_opts->common->luns[lun_opts->lun_id] = NULL; lun_opts->lun_id = 0; mutex_unlock(&fsg_opts->lock); @@ -3509,14 +3498,11 @@ static struct usb_function_instance *fsg_alloc_inst(void) rc = PTR_ERR(opts->common); goto release_opts; } - rc = fsg_common_set_nluns(opts->common, FSG_MAX_LUNS); - if (rc) - goto release_opts; rc = fsg_common_set_num_buffers(opts->common, CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS); if (rc) - goto release_luns; + goto release_opts; pr_info(FSG_DRIVER_DESC ", version: " FSG_DRIVER_VERSION "\n"); @@ -3524,6 +3510,9 @@ static struct usb_function_instance *fsg_alloc_inst(void) config.removable = true; rc = fsg_common_create_lun(opts->common, &config, 0, "lun.0", (const char **)&opts->func_inst.group.cg_item.ci_name); + if (rc) + goto release_buffers; + opts->lun0.lun = opts->common->luns[0]; opts->lun0.lun_id = 0; config_group_init_type_name(&opts->lun0.group, "lun.0", &fsg_lun_type); @@ -3534,8 +3523,8 @@ static struct usb_function_instance *fsg_alloc_inst(void) return &opts->func_inst; -release_luns: - kfree(opts->common->luns); +release_buffers: + fsg_common_free_buffers(opts->common); release_opts: kfree(opts); return ERR_PTR(rc); @@ -3561,23 +3550,12 @@ static struct usb_function *fsg_alloc(struct usb_function_instance *fi) struct fsg_opts *opts = fsg_opts_from_func_inst(fi); struct fsg_common *common = opts->common; struct fsg_dev *fsg; - unsigned nluns, i; fsg = kzalloc(sizeof(*fsg), GFP_KERNEL); if (unlikely(!fsg)) return ERR_PTR(-ENOMEM); mutex_lock(&opts->lock); - if (!opts->refcnt) { - for (nluns = i = 0; i < FSG_MAX_LUNS; ++i) - if (common->luns[i]) - nluns = i + 1; - if (!nluns) - pr_warn("No LUNS defined, continuing anyway\n"); - else - common->nluns = nluns; - pr_info("Number of LUNs=%u\n", common->nluns); - } opts->refcnt++; mutex_unlock(&opts->lock); diff --git a/drivers/usb/gadget/function/f_mass_storage.h b/drivers/usb/gadget/function/f_mass_storage.h index b4866fcef30b..445df6775609 100644 --- a/drivers/usb/gadget/function/f_mass_storage.h +++ b/drivers/usb/gadget/function/f_mass_storage.h @@ -137,14 +137,10 @@ void fsg_common_free_buffers(struct fsg_common *common); int fsg_common_set_cdev(struct fsg_common *common, struct usb_composite_dev *cdev, bool can_stall); -void fsg_common_remove_lun(struct fsg_lun *lun, bool sysfs); +void fsg_common_remove_lun(struct fsg_lun *lun); void fsg_common_remove_luns(struct fsg_common *common); -void fsg_common_free_luns(struct fsg_common *common); - -int fsg_common_set_nluns(struct fsg_common *common, int nluns); - void fsg_common_set_ops(struct fsg_common *common, const struct fsg_operations *ops); diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index ad50a67c1465..a287a4829273 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -329,6 +329,10 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) unsigned i; int err; + /* For Control Device interface we do nothing */ + if (intf == 0) + return 0; + err = f_midi_start_ep(midi, f, midi->in_ep); if (err) return err; diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index bdcda9f5148e..3f05c6bd57f0 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -853,9 +853,8 @@ static int ncm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* Enable zlps by default for NCM conformance; * override for musb_hdrc (avoids txdma ovhead) */ - ncm->port.is_zlp_ok = !( - gadget_is_musbhdrc(cdev->gadget) - ); + ncm->port.is_zlp_ok = + gadget_is_zlp_supported(cdev->gadget); ncm->port.cdc_filter = DEFAULT_FILTER; DBG(cdev, "activate ncm\n"); net = gether_connect(&ncm->port); diff --git a/drivers/usb/gadget/function/f_obex.c b/drivers/usb/gadget/function/f_obex.c index a1b79c53499c..5460426057eb 100644 --- a/drivers/usb/gadget/function/f_obex.c +++ b/drivers/usb/gadget/function/f_obex.c @@ -20,7 +20,6 @@ #include <linux/module.h> #include "u_serial.h" -#include "gadget_chips.h" /* @@ -37,7 +36,6 @@ struct f_obex { u8 data_id; u8 cur_alt; u8 port_num; - u8 can_activate; }; static inline struct f_obex *func_to_obex(struct usb_function *f) @@ -268,9 +266,6 @@ static void obex_connect(struct gserial *g) struct usb_composite_dev *cdev = g->func.config->cdev; int status; - if (!obex->can_activate) - return; - status = usb_function_activate(&g->func); if (status) dev_dbg(&cdev->gadget->dev, @@ -284,9 +279,6 @@ static void obex_disconnect(struct gserial *g) struct usb_composite_dev *cdev = g->func.config->cdev; int status; - if (!obex->can_activate) - return; - status = usb_function_deactivate(&g->func); if (status) dev_dbg(&cdev->gadget->dev, @@ -304,7 +296,7 @@ static inline bool can_support_obex(struct usb_configuration *c) * * Altsettings are mandatory, however... */ - if (!gadget_supports_altsettings(c->cdev->gadget)) + if (!gadget_is_altset_supported(c->cdev->gadget)) return false; /* everything else is *probably* fine ... */ @@ -378,17 +370,6 @@ static int obex_bind(struct usb_configuration *c, struct usb_function *f) if (status) goto fail; - /* Avoid letting this gadget enumerate until the userspace - * OBEX server is active. - */ - status = usb_function_deactivate(f); - if (status < 0) - WARNING(cdev, "obex ttyGS%d: can't prevent enumeration, %d\n", - obex->port_num, status); - else - obex->can_activate = true; - - dev_dbg(&cdev->gadget->dev, "obex ttyGS%d: %s speed IN/%s OUT/%s\n", obex->port_num, gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full", @@ -529,6 +510,7 @@ static struct usb_function *obex_alloc(struct usb_function_instance *fi) obex->port.func.get_alt = obex_get_alt; obex->port.func.disable = obex_disable; obex->port.func.free_func = obex_free; + obex->port.func.bind_deactivated = true; return &obex->port.func; } diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 357f63f47b42..8e2b6bea07bc 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -804,6 +804,8 @@ done: static void printer_reset_interface(struct printer_dev *dev) { + unsigned long flags; + if (dev->interface < 0) return; @@ -815,9 +817,11 @@ static void printer_reset_interface(struct printer_dev *dev) if (dev->out_ep->desc) usb_ep_disable(dev->out_ep); + spin_lock_irqsave(&dev->lock, flags); dev->in_ep->desc = NULL; dev->out_ep->desc = NULL; dev->interface = -1; + spin_unlock_irqrestore(&dev->lock, flags); } /* Change our operational Interface. */ @@ -1131,13 +1135,10 @@ static int printer_func_set_alt(struct usb_function *f, static void printer_func_disable(struct usb_function *f) { struct printer_dev *dev = func_to_printer(f); - unsigned long flags; DBG(dev, "%s\n", __func__); - spin_lock_irqsave(&dev->lock, flags); printer_reset_interface(dev); - spin_unlock_irqrestore(&dev->lock, flags); } static inline struct f_printer_opts diff --git a/drivers/usb/gadget/function/f_serial.c b/drivers/usb/gadget/function/f_serial.c index 2e02dfabc7ae..1d162e200e83 100644 --- a/drivers/usb/gadget/function/f_serial.c +++ b/drivers/usb/gadget/function/f_serial.c @@ -16,7 +16,6 @@ #include <linux/device.h> #include "u_serial.h" -#include "gadget_chips.h" /* diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index 3a5ae9900b1e..cbfaf86fe456 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -20,7 +20,6 @@ #include <linux/err.h> #include "g_zero.h" -#include "gadget_chips.h" #include "u_f.h" /* @@ -42,11 +41,6 @@ * queues are relatively independent, will receive a range of packet sizes, * and can often be made to run out completely. Those issues are important * when stress testing peripheral controller drivers. - * - * - * This is currently packaged as a configuration driver, which can't be - * combined with other functions to make composite devices. However, it - * can be combined with other independent configurations. */ struct f_sourcesink { struct usb_function function; diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 531861547253..f8de7ea2a0c1 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -975,6 +975,29 @@ free_ep(struct uac2_rtd_params *prm, struct usb_ep *ep) "%s:%d Error!\n", __func__, __LINE__); } +static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, + struct usb_endpoint_descriptor *ep_desc, + unsigned int factor, bool is_playback) +{ + int chmask, srate, ssize; + u16 max_packet_size; + + if (is_playback) { + chmask = uac2_opts->p_chmask; + srate = uac2_opts->p_srate; + ssize = uac2_opts->p_ssize; + } else { + chmask = uac2_opts->c_chmask; + srate = uac2_opts->c_srate; + ssize = uac2_opts->c_ssize; + } + + max_packet_size = num_channels(chmask) * ssize * + DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))); + ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_packet_size, + le16_to_cpu(ep_desc->wMaxPacketSize))); +} + static int afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) { @@ -1070,10 +1093,14 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) uac2->p_prm.uac2 = uac2; uac2->c_prm.uac2 = uac2; + /* Calculate wMaxPacketSize according to audio bandwidth */ + set_ep_max_packet_size(uac2_opts, &fs_epin_desc, 1000, true); + set_ep_max_packet_size(uac2_opts, &fs_epout_desc, 1000, false); + set_ep_max_packet_size(uac2_opts, &hs_epin_desc, 8000, true); + set_ep_max_packet_size(uac2_opts, &hs_epout_desc, 8000, false); + hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress; - hs_epout_desc.wMaxPacketSize = fs_epout_desc.wMaxPacketSize; hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress; - hs_epin_desc.wMaxPacketSize = fs_epin_desc.wMaxPacketSize; ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL); if (ret) diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index cf0df8fbba89..743be34605dc 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -733,12 +733,6 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) uvc->control_req->complete = uvc_function_ep0_complete; uvc->control_req->context = uvc; - /* Avoid letting this gadget enumerate until the userspace server is - * active. - */ - if ((ret = usb_function_deactivate(f)) < 0) - goto error; - if (v4l2_device_register(&cdev->gadget->dev, &uvc->v4l2_dev)) { printk(KERN_INFO "v4l2_device_register failed\n"); goto error; @@ -949,6 +943,7 @@ static struct usb_function *uvc_alloc(struct usb_function_instance *fi) uvc->func.disable = uvc_function_disable; uvc->func.setup = uvc_function_setup; uvc->func.free_func = uvc_free; + uvc->func.bind_deactivated = true; return &uvc->func; } diff --git a/drivers/usb/gadget/function/storage_common.h b/drivers/usb/gadget/function/storage_common.h index 70c891469f57..c3544e61da66 100644 --- a/drivers/usb/gadget/function/storage_common.h +++ b/drivers/usb/gadget/function/storage_common.h @@ -123,7 +123,7 @@ static inline bool fsg_lun_is_open(struct fsg_lun *curlun) #define FSG_BUFLEN ((u32)16384) /* Maximal number of LUNs supported in mass storage function */ -#define FSG_MAX_LUNS 8 +#define FSG_MAX_LUNS 16 enum fsg_buffer_state { BUF_STATE_EMPTY = 0, diff --git a/drivers/usb/gadget/function/u_ether.h b/drivers/usb/gadget/function/u_ether.h index 334b38947916..c77145bd6b5b 100644 --- a/drivers/usb/gadget/function/u_ether.h +++ b/drivers/usb/gadget/function/u_ether.h @@ -20,8 +20,6 @@ #include <linux/usb/cdc.h> #include <linux/netdevice.h> -#include "gadget_chips.h" - #define QMULT_DEFAULT 5 /* @@ -259,7 +257,7 @@ void gether_disconnect(struct gether *); /* Some controllers can't support CDC Ethernet (ECM) ... */ static inline bool can_support_ecm(struct usb_gadget *gadget) { - if (!gadget_supports_altsettings(gadget)) + if (!gadget_is_altset_supported(gadget)) return false; /* Everything else is *presumably* fine ... but this is a bit diff --git a/drivers/usb/gadget/function/u_uac1.h b/drivers/usb/gadget/function/u_uac1.h index fe386df6dd3e..5c2ac8e8456d 100644 --- a/drivers/usb/gadget/function/u_uac1.h +++ b/drivers/usb/gadget/function/u_uac1.h @@ -21,8 +21,6 @@ #include <sound/pcm.h> #include <sound/pcm_params.h> -#include "gadget_chips.h" - #define FILE_PCM_PLAYBACK "/dev/snd/pcmC0D0p" #define FILE_PCM_CAPTURE "/dev/snd/pcmC0D0c" #define FILE_CONTROL "/dev/snd/controlC0" diff --git a/drivers/usb/gadget/legacy/Kconfig b/drivers/usb/gadget/legacy/Kconfig index d5a7102de696..4d682ad7bf23 100644 --- a/drivers/usb/gadget/legacy/Kconfig +++ b/drivers/usb/gadget/legacy/Kconfig @@ -339,6 +339,7 @@ config USB_CDC_COMPOSITE config USB_G_NOKIA tristate "Nokia composite gadget" depends on PHONET + depends on BLOCK select USB_LIBCOMPOSITE select USB_U_SERIAL select USB_U_ETHER @@ -346,6 +347,7 @@ config USB_G_NOKIA select USB_F_OBEX select USB_F_PHONET select USB_F_ECM + select USB_F_MASS_STORAGE help The Nokia composite gadget provides support for acm, obex and phonet in only one composite gadget driver. diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c index 1194b09ae746..4b158e2d1e57 100644 --- a/drivers/usb/gadget/legacy/acm_ms.c +++ b/drivers/usb/gadget/legacy/acm_ms.c @@ -58,21 +58,7 @@ static struct usb_device_descriptor device_desc = { /*.bNumConfigurations = DYNAMIC*/ }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* - * REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ static struct usb_string strings_dev[] = { @@ -200,10 +186,6 @@ static int acm_ms_bind(struct usb_composite_dev *cdev) if (status) goto fail; - status = fsg_common_set_nluns(opts->common, config.nluns); - if (status) - goto fail_set_nluns; - status = fsg_common_set_cdev(opts->common, cdev, config.can_stall); if (status) goto fail_set_cdev; @@ -225,10 +207,21 @@ static int acm_ms_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail_string_ids; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register our configuration */ status = usb_add_config(cdev, &acm_ms_config_driver, acm_ms_do_config); if (status < 0) - goto fail_string_ids; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", @@ -236,11 +229,12 @@ static int acm_ms_bind(struct usb_composite_dev *cdev) return 0; /* error recovery */ +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail_string_ids: fsg_common_remove_luns(opts->common); fail_set_cdev: - fsg_common_free_luns(opts->common); -fail_set_nluns: fsg_common_free_buffers(opts->common); fail: usb_put_function_instance(fi_msg); @@ -255,6 +249,9 @@ static int acm_ms_unbind(struct usb_composite_dev *cdev) usb_put_function_instance(fi_msg); usb_put_function(f_acm); usb_put_function_instance(f_acm_inst); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c index f289caf18a45..685cf3b4b78f 100644 --- a/drivers/usb/gadget/legacy/audio.c +++ b/drivers/usb/gadget/legacy/audio.c @@ -15,7 +15,6 @@ #include <linux/module.h> #include <linux/usb/composite.h> -#include "gadget_chips.h" #define DRIVER_DESC "Linux USB Audio Gadget" #define DRIVER_VERSION "Feb 2, 2012" @@ -124,7 +123,7 @@ static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x200), + .bcdUSB = cpu_to_le16(0x200), #ifdef CONFIG_GADGET_UAC1 .bDeviceClass = USB_CLASS_PER_INTERFACE, @@ -141,8 +140,8 @@ static struct usb_device_descriptor device_desc = { * we support. (As does bNumConfigurations.) These values can * also be overridden by module parameters. */ - .idVendor = __constant_cpu_to_le16(AUDIO_VENDOR_NUM), - .idProduct = __constant_cpu_to_le16(AUDIO_PRODUCT_NUM), + .idVendor = cpu_to_le16(AUDIO_VENDOR_NUM), + .idProduct = cpu_to_le16(AUDIO_PRODUCT_NUM), /* .bcdDevice = f(hardware) */ /* .iManufacturer = DYNAMIC */ /* .iProduct = DYNAMIC */ @@ -150,20 +149,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /*-------------------------------------------------------------------------*/ @@ -259,14 +245,28 @@ static int audio_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(cdev->gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) + goto fail; + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + status = usb_add_config(cdev, &audio_config_driver, audio_do_config); if (status < 0) - goto fail; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); INFO(cdev, "%s, version: %s\n", DRIVER_DESC, DRIVER_VERSION); return 0; +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail: #ifndef CONFIG_GADGET_UAC1 usb_put_function_instance(fi_uac2); @@ -289,6 +289,9 @@ static int audio_unbind(struct usb_composite_dev *cdev) if (!IS_ERR_OR_NULL(fi_uac2)) usb_put_function_instance(fi_uac2); #endif + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/cdc2.c b/drivers/usb/gadget/legacy/cdc2.c index afd3e37921a7..ecd8c8d62f2e 100644 --- a/drivers/usb/gadget/legacy/cdc2.c +++ b/drivers/usb/gadget/legacy/cdc2.c @@ -60,21 +60,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; - +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ static struct usb_string strings_dev[] = { @@ -193,10 +179,21 @@ static int cdc_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail1; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register our configuration */ status = usb_add_config(cdev, &cdc_config_driver, cdc_do_config); if (status < 0) - goto fail1; + goto fail2; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", @@ -204,6 +201,9 @@ static int cdc_bind(struct usb_composite_dev *cdev) return 0; +fail2: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail1: usb_put_function_instance(fi_serial); fail: @@ -219,6 +219,9 @@ static int cdc_unbind(struct usb_composite_dev *cdev) usb_put_function(f_ecm); if (!IS_ERR_OR_NULL(fi_ecm)) usb_put_function_instance(fi_ecm); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c index 204b10b1a7e7..5231a32aef55 100644 --- a/drivers/usb/gadget/legacy/dbgp.c +++ b/drivers/usb/gadget/legacy/dbgp.c @@ -35,10 +35,10 @@ static struct dbgp { static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x0200), + .bcdUSB = cpu_to_le16(0x0200), .bDeviceClass = USB_CLASS_VENDOR_SPEC, - .idVendor = __constant_cpu_to_le16(DRIVER_VENDOR_ID), - .idProduct = __constant_cpu_to_le16(DRIVER_PRODUCT_ID), + .idVendor = cpu_to_le16(DRIVER_VENDOR_ID), + .idProduct = cpu_to_le16(DRIVER_PRODUCT_ID), .bNumConfigurations = 1, }; @@ -251,7 +251,7 @@ static int dbgp_configure_endpoints(struct usb_gadget *gadget) dbgp.i_ep->driver_data = gadget; i_desc.wMaxPacketSize = - __constant_cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); + cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); dbgp.o_ep = usb_ep_autoconfig(gadget, &o_desc); if (!dbgp.o_ep) { @@ -262,7 +262,7 @@ static int dbgp_configure_endpoints(struct usb_gadget *gadget) dbgp.o_ep->driver_data = gadget; o_desc.wMaxPacketSize = - __constant_cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); + cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); dbg_desc.bDebugInEndpoint = i_desc.bEndpointAddress; dbg_desc.bDebugOutEndpoint = o_desc.bEndpointAddress; diff --git a/drivers/usb/gadget/legacy/ether.c b/drivers/usb/gadget/legacy/ether.c index a3323dca218f..31e9160223e9 100644 --- a/drivers/usb/gadget/legacy/ether.c +++ b/drivers/usb/gadget/legacy/ether.c @@ -171,20 +171,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; static struct usb_string strings_dev[] = { [USB_GADGET_MANUFACTURER_IDX].s = "", @@ -416,17 +403,28 @@ static int eth_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail1; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register our configuration(s); RNDIS first, if it's used */ if (has_rndis()) { status = usb_add_config(cdev, &rndis_config_driver, rndis_do_config); if (status < 0) - goto fail1; + goto fail2; } status = usb_add_config(cdev, ð_config_driver, eth_do_config); if (status < 0) - goto fail1; + goto fail2; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", @@ -434,6 +432,9 @@ static int eth_bind(struct usb_composite_dev *cdev) return 0; +fail2: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail1: if (has_rndis()) usb_put_function_instance(fi_rndis); @@ -463,6 +464,9 @@ static int eth_unbind(struct usb_composite_dev *cdev) usb_put_function(f_geth); usb_put_function_instance(fi_geth); } + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c index e821931c965c..320a81b2baa6 100644 --- a/drivers/usb/gadget/legacy/g_ffs.c +++ b/drivers/usb/gadget/legacy/g_ffs.c @@ -88,21 +88,7 @@ MODULE_PARM_DESC(bDeviceProtocol, "USB Device protocol"); module_param_array_named(functions, func_names, charp, &func_num, 0); MODULE_PARM_DESC(functions, "USB Functions list"); -static const struct usb_descriptor_header *gfs_otg_desc[] = { - (const struct usb_descriptor_header *) - &(const struct usb_otg_descriptor) { - .bLength = sizeof(struct usb_otg_descriptor), - .bDescriptorType = USB_DT_OTG, - - /* - * REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, - }, - - NULL -}; +static const struct usb_descriptor_header *gfs_otg_desc[2]; /* String IDs are assigned dynamically */ static struct usb_string gfs_strings[] = { @@ -412,6 +398,17 @@ static int gfs_bind(struct usb_composite_dev *cdev) goto error_rndis; gfs_dev_desc.iProduct = gfs_strings[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(cdev->gadget) && !gfs_otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) + goto error_rndis; + usb_otg_descriptor_init(cdev->gadget, usb_desc); + gfs_otg_desc[0] = usb_desc; + gfs_otg_desc[1] = NULL; + } + for (i = 0; i < ARRAY_SIZE(gfs_configurations); ++i) { struct gfs_configuration *c = gfs_configurations + i; int sid = USB_GADGET_FIRST_AVAIL_IDX + i; @@ -432,6 +429,8 @@ static int gfs_bind(struct usb_composite_dev *cdev) /* TODO */ error_unbind: + kfree(gfs_otg_desc[0]); + gfs_otg_desc[0] = NULL; error_rndis: #ifdef CONFIG_USB_FUNCTIONFS_RNDIS usb_put_function_instance(fi_rndis); @@ -473,6 +472,9 @@ static int gfs_unbind(struct usb_composite_dev *cdev) for (i = 0; i < N_CONF * func_num; ++i) usb_put_function(*(f_ffs[0] + i)); + kfree(gfs_otg_desc[0]); + gfs_otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/gmidi.c b/drivers/usb/gadget/legacy/gmidi.c index da19c486b61e..8a18348ae86e 100644 --- a/drivers/usb/gadget/legacy/gmidi.c +++ b/drivers/usb/gadget/legacy/gmidi.c @@ -35,8 +35,6 @@ #include <linux/usb/audio.h> #include <linux/usb/midi.h> -#include "gadget_chips.h" - #include "u_midi.h" /*-------------------------------------------------------------------------*/ @@ -88,10 +86,10 @@ MODULE_PARM_DESC(out_ports, "Number of MIDI output ports"); static struct usb_device_descriptor device_desc = { .bLength = USB_DT_DEVICE_SIZE, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x0200), + .bcdUSB = cpu_to_le16(0x0200), .bDeviceClass = USB_CLASS_PER_INTERFACE, - .idVendor = __constant_cpu_to_le16(DRIVER_VENDOR_NUM), - .idProduct = __constant_cpu_to_le16(DRIVER_PRODUCT_NUM), + .idVendor = cpu_to_le16(DRIVER_VENDOR_NUM), + .idProduct = cpu_to_le16(DRIVER_PRODUCT_NUM), /* .iManufacturer = DYNAMIC */ /* .iProduct = DYNAMIC */ .bNumConfigurations = 1, diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c index 2baa572686c6..7e5d2c48476e 100644 --- a/drivers/usb/gadget/legacy/hid.c +++ b/drivers/usb/gadget/legacy/hid.c @@ -19,7 +19,6 @@ #include <linux/usb/composite.h> #include <linux/usb/g_hid.h> -#include "gadget_chips.h" #define DRIVER_DESC "HID Gadget" #define DRIVER_VERSION "2010/03/16" @@ -68,21 +67,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; - +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ static struct usb_string strings_dev[] = { @@ -186,16 +171,30 @@ static int hid_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto put; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register our configuration */ status = usb_add_config(cdev, &config_driver, do_config); if (status < 0) - goto put; + goto free_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, DRIVER_DESC ", version: " DRIVER_VERSION "\n"); return 0; +free_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; put: list_for_each_entry(m, &hidg_func_list, node) { if (m == n) @@ -213,6 +212,10 @@ static int hid_unbind(struct usb_composite_dev *cdev) usb_put_function(n->f); usb_put_function_instance(n->fi); } + + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/mass_storage.c b/drivers/usb/gadget/legacy/mass_storage.c index e7bfb081f111..bda3c519110f 100644 --- a/drivers/usb/gadget/legacy/mass_storage.c +++ b/drivers/usb/gadget/legacy/mass_storage.c @@ -64,21 +64,7 @@ static struct usb_device_descriptor msg_device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* - * REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; static struct usb_string strings_dev[] = { [USB_GADGET_MANUFACTURER_IDX].s = "", @@ -191,10 +177,6 @@ static int msg_bind(struct usb_composite_dev *cdev) if (status) goto fail; - status = fsg_common_set_nluns(opts->common, config.nluns); - if (status) - goto fail_set_nluns; - fsg_common_set_ops(opts->common, &ops); status = fsg_common_set_cdev(opts->common, cdev, config.can_stall); @@ -214,9 +196,20 @@ static int msg_bind(struct usb_composite_dev *cdev) goto fail_string_ids; msg_device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(cdev->gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) + goto fail_string_ids; + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + status = usb_add_config(cdev, &msg_config_driver, msg_do_config); if (status < 0) - goto fail_string_ids; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&cdev->gadget->dev, @@ -224,11 +217,12 @@ static int msg_bind(struct usb_composite_dev *cdev) set_bit(0, &msg_registered); return 0; +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail_string_ids: fsg_common_remove_luns(opts->common); fail_set_cdev: - fsg_common_free_luns(opts->common); -fail_set_nluns: fsg_common_free_buffers(opts->common); fail: usb_put_function_instance(fi_msg); @@ -243,6 +237,9 @@ static int msg_unbind(struct usb_composite_dev *cdev) if (!IS_ERR(fi_msg)) usb_put_function_instance(fi_msg); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/multi.c b/drivers/usb/gadget/legacy/multi.c index b21b51f0c9fa..4fe794ddcd49 100644 --- a/drivers/usb/gadget/legacy/multi.c +++ b/drivers/usb/gadget/legacy/multi.c @@ -78,21 +78,7 @@ static struct usb_device_descriptor device_desc = { .idProduct = cpu_to_le16(MULTI_PRODUCT_NUM), }; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &(struct usb_otg_descriptor){ - .bLength = sizeof(struct usb_otg_descriptor), - .bDescriptorType = USB_DT_OTG, - - /* - * REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, - }, - NULL, -}; - +static const struct usb_descriptor_header *otg_desc[2]; enum { MULTI_STRING_RNDIS_CONFIG_IDX = USB_GADGET_FIRST_AVAIL_IDX, @@ -407,10 +393,6 @@ static int __ref multi_bind(struct usb_composite_dev *cdev) if (status) goto fail2; - status = fsg_common_set_nluns(fsg_opts->common, config.nluns); - if (status) - goto fail_set_nluns; - status = fsg_common_set_cdev(fsg_opts->common, cdev, config.can_stall); if (status) goto fail_set_cdev; @@ -429,14 +411,25 @@ static int __ref multi_bind(struct usb_composite_dev *cdev) goto fail_string_ids; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail_string_ids; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register configurations */ status = rndis_config_register(cdev); if (unlikely(status < 0)) - goto fail_string_ids; + goto fail_otg_desc; status = cdc_config_register(cdev); if (unlikely(status < 0)) - goto fail_string_ids; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); /* we're done */ @@ -445,11 +438,12 @@ static int __ref multi_bind(struct usb_composite_dev *cdev) /* error recovery */ +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail_string_ids: fsg_common_remove_luns(fsg_opts->common); fail_set_cdev: - fsg_common_free_luns(fsg_opts->common); -fail_set_nluns: fsg_common_free_buffers(fsg_opts->common); fail2: usb_put_function_instance(fi_msg); @@ -490,6 +484,9 @@ static int multi_unbind(struct usb_composite_dev *cdev) usb_put_function(f_ecm); usb_put_function_instance(fi_ecm); #endif + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/ncm.c b/drivers/usb/gadget/legacy/ncm.c index 6ce7421412e9..2bae4381332d 100644 --- a/drivers/usb/gadget/legacy/ncm.c +++ b/drivers/usb/gadget/legacy/ncm.c @@ -69,20 +69,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ static struct usb_string strings_dev[] = { @@ -171,16 +158,30 @@ static int gncm_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + status = usb_add_config(cdev, &ncm_config_driver, ncm_do_config); if (status < 0) - goto fail; + goto fail1; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, "%s\n", DRIVER_DESC); return 0; +fail1: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail: usb_put_function_instance(f_ncm_inst); return status; @@ -192,6 +193,9 @@ static int gncm_unbind(struct usb_composite_dev *cdev) usb_put_function(f_ncm); if (!IS_ERR_OR_NULL(f_ncm_inst)) usb_put_function_instance(f_ncm_inst); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/nokia.c b/drivers/usb/gadget/legacy/nokia.c index 4bb498a38a1c..8b3f6fb1825d 100644 --- a/drivers/usb/gadget/legacy/nokia.c +++ b/drivers/usb/gadget/legacy/nokia.c @@ -23,7 +23,7 @@ #include "u_ether.h" #include "u_phonet.h" #include "u_ecm.h" -#include "gadget_chips.h" +#include "f_mass_storage.h" /* Defines */ @@ -34,6 +34,29 @@ USB_GADGET_COMPOSITE_OPTIONS(); USB_ETHERNET_MODULE_PARAMETERS(); +static struct fsg_module_parameters fsg_mod_data = { + .stall = 0, + .luns = 2, + .removable_count = 2, + .removable = { 1, 1, }, +}; + +#ifdef CONFIG_USB_GADGET_DEBUG_FILES + +static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS; + +#else + +/* + * Number of buffers we will use. + * 2 is usually enough for good buffering pipeline + */ +#define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS + +#endif /* CONFIG_USB_DEBUG */ + +FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data); + #define NOKIA_VENDOR_ID 0x0421 /* Nokia */ #define NOKIA_PRODUCT_ID 0x01c8 /* Nokia Gadget */ @@ -66,10 +89,10 @@ static struct usb_gadget_strings *dev_strings[] = { static struct usb_device_descriptor device_desc = { .bLength = USB_DT_DEVICE_SIZE, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x0200), + .bcdUSB = cpu_to_le16(0x0200), .bDeviceClass = USB_CLASS_COMM, - .idVendor = __constant_cpu_to_le16(NOKIA_VENDOR_ID), - .idProduct = __constant_cpu_to_le16(NOKIA_PRODUCT_ID), + .idVendor = cpu_to_le16(NOKIA_VENDOR_ID), + .idProduct = cpu_to_le16(NOKIA_PRODUCT_ID), .bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM), /* .iManufacturer = DYNAMIC */ /* .iProduct = DYNAMIC */ @@ -94,6 +117,8 @@ static struct usb_function *f_obex1_cfg2; static struct usb_function *f_obex2_cfg2; static struct usb_function *f_phonet_cfg1; static struct usb_function *f_phonet_cfg2; +static struct usb_function *f_msg_cfg1; +static struct usb_function *f_msg_cfg2; static struct usb_configuration nokia_config_500ma_driver = { @@ -117,6 +142,7 @@ static struct usb_function_instance *fi_ecm; static struct usb_function_instance *fi_obex1; static struct usb_function_instance *fi_obex2; static struct usb_function_instance *fi_phonet; +static struct usb_function_instance *fi_msg; static int nokia_bind_config(struct usb_configuration *c) { @@ -125,6 +151,8 @@ static int nokia_bind_config(struct usb_configuration *c) struct usb_function *f_obex1 = NULL; struct usb_function *f_ecm; struct usb_function *f_obex2 = NULL; + struct usb_function *f_msg; + struct fsg_opts *fsg_opts; int status = 0; int obex1_stat = -1; int obex2_stat = -1; @@ -160,6 +188,12 @@ static int nokia_bind_config(struct usb_configuration *c) goto err_get_ecm; } + f_msg = usb_get_function(fi_msg); + if (IS_ERR(f_msg)) { + status = PTR_ERR(f_msg); + goto err_get_msg; + } + if (!IS_ERR_OR_NULL(f_phonet)) { phonet_stat = usb_add_function(c, f_phonet); if (phonet_stat) @@ -187,21 +221,36 @@ static int nokia_bind_config(struct usb_configuration *c) pr_debug("could not bind ecm config %d\n", status); goto err_ecm; } + + fsg_opts = fsg_opts_from_func_inst(fi_msg); + + status = fsg_common_run_thread(fsg_opts->common); + if (status) + goto err_msg; + + status = usb_add_function(c, f_msg); + if (status) + goto err_msg; + if (c == &nokia_config_500ma_driver) { f_acm_cfg1 = f_acm; f_ecm_cfg1 = f_ecm; f_phonet_cfg1 = f_phonet; f_obex1_cfg1 = f_obex1; f_obex2_cfg1 = f_obex2; + f_msg_cfg1 = f_msg; } else { f_acm_cfg2 = f_acm; f_ecm_cfg2 = f_ecm; f_phonet_cfg2 = f_phonet; f_obex1_cfg2 = f_obex1; f_obex2_cfg2 = f_obex2; + f_msg_cfg2 = f_msg; } return status; +err_msg: + usb_remove_function(c, f_ecm); err_ecm: usb_remove_function(c, f_acm); err_conf: @@ -211,6 +260,8 @@ err_conf: usb_remove_function(c, f_obex1); if (!phonet_stat) usb_remove_function(c, f_phonet); + usb_put_function(f_msg); +err_get_msg: usb_put_function(f_ecm); err_get_ecm: usb_put_function(f_acm); @@ -227,6 +278,8 @@ err_get_acm: static int nokia_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; + struct fsg_opts *fsg_opts; + struct fsg_config fsg_config; int status; status = usb_string_ids_tab(cdev, strings_dev); @@ -238,7 +291,7 @@ static int nokia_bind(struct usb_composite_dev *cdev) nokia_config_500ma_driver.iConfiguration = status; nokia_config_100ma_driver.iConfiguration = status; - if (!gadget_supports_altsettings(gadget)) { + if (!gadget_is_altset_supported(gadget)) { status = -ENODEV; goto err_usb; } @@ -267,11 +320,42 @@ static int nokia_bind(struct usb_composite_dev *cdev) goto err_acm_inst; } + fi_msg = usb_get_function_instance("mass_storage"); + if (IS_ERR(fi_msg)) { + status = PTR_ERR(fi_msg); + goto err_ecm_inst; + } + + /* set up mass storage function */ + fsg_config_from_params(&fsg_config, &fsg_mod_data, fsg_num_buffers); + fsg_config.vendor_name = "Nokia"; + fsg_config.product_name = "N900"; + + fsg_opts = fsg_opts_from_func_inst(fi_msg); + fsg_opts->no_configfs = true; + + status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers); + if (status) + goto err_msg_inst; + + status = fsg_common_set_cdev(fsg_opts->common, cdev, fsg_config.can_stall); + if (status) + goto err_msg_buf; + + fsg_common_set_sysfs(fsg_opts->common, true); + + status = fsg_common_create_luns(fsg_opts->common, &fsg_config); + if (status) + goto err_msg_buf; + + fsg_common_set_inquiry_string(fsg_opts->common, fsg_config.vendor_name, + fsg_config.product_name); + /* finally register the configuration */ status = usb_add_config(cdev, &nokia_config_500ma_driver, nokia_bind_config); if (status < 0) - goto err_ecm_inst; + goto err_msg_luns; status = usb_add_config(cdev, &nokia_config_100ma_driver, nokia_bind_config); @@ -292,6 +376,12 @@ err_put_cfg1: if (!IS_ERR_OR_NULL(f_phonet_cfg1)) usb_put_function(f_phonet_cfg1); usb_put_function(f_ecm_cfg1); +err_msg_luns: + fsg_common_remove_luns(fsg_opts->common); +err_msg_buf: + fsg_common_free_buffers(fsg_opts->common); +err_msg_inst: + usb_put_function_instance(fi_msg); err_ecm_inst: usb_put_function_instance(fi_ecm); err_acm_inst: @@ -325,7 +415,10 @@ static int nokia_unbind(struct usb_composite_dev *cdev) usb_put_function(f_acm_cfg2); usb_put_function(f_ecm_cfg1); usb_put_function(f_ecm_cfg2); + usb_put_function(f_msg_cfg1); + usb_put_function(f_msg_cfg2); + usb_put_function_instance(fi_msg); usb_put_function_instance(fi_ecm); if (!IS_ERR(fi_obex2)) usb_put_function_instance(fi_obex2); diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c index 1ce7df1060a5..a22d30a4def1 100644 --- a/drivers/usb/gadget/legacy/printer.c +++ b/drivers/usb/gadget/legacy/printer.c @@ -19,8 +19,6 @@ #include <linux/usb/gadget.h> #include <linux/usb/g_printer.h> -#include "gadget_chips.h" - USB_GADGET_COMPOSITE_OPTIONS(); #define DRIVER_DESC "Printer Gadget" @@ -82,16 +80,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1 }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - .bmAttributes = USB_OTG_SRP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /*-------------------------------------------------------------------------*/ @@ -136,7 +125,6 @@ static int printer_do_config(struct usb_configuration *c) usb_gadget_set_selfpowered(gadget); if (gadget_is_otg(gadget)) { - otg_descriptor.bmAttributes |= USB_OTG_HNP; printer_cfg_driver.descriptors = otg_desc; printer_cfg_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; } @@ -174,21 +162,39 @@ static int printer_bind(struct usb_composite_dev *cdev) opts->q_len = QLEN; ret = usb_string_ids_tab(cdev, strings); - if (ret < 0) { - usb_put_function_instance(fi_printer); - return ret; - } + if (ret < 0) + goto fail_put_func_inst; + device_desc.iManufacturer = strings[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings[USB_GADGET_PRODUCT_IDX].id; device_desc.iSerialNumber = strings[USB_GADGET_SERIAL_IDX].id; - ret = usb_add_config(cdev, &printer_cfg_driver, printer_do_config); - if (ret) { - usb_put_function_instance(fi_printer); - return ret; + if (gadget_is_otg(cdev->gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) { + ret = -ENOMEM; + goto fail_put_func_inst; + } + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; } + + ret = usb_add_config(cdev, &printer_cfg_driver, printer_do_config); + if (ret) + goto fail_free_otg_desc; + usb_composite_overwrite_options(cdev, &coverwrite); return ret; + +fail_free_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; +fail_put_func_inst: + usb_put_function_instance(fi_printer); + return ret; } static int printer_unbind(struct usb_composite_dev *cdev) @@ -196,6 +202,9 @@ static int printer_unbind(struct usb_composite_dev *cdev) usb_put_function(f_printer); usb_put_function_instance(fi_printer); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/serial.c b/drivers/usb/gadget/legacy/serial.c index 8b7528f9b78e..c5d42e0347a9 100644 --- a/drivers/usb/gadget/legacy/serial.c +++ b/drivers/usb/gadget/legacy/serial.c @@ -17,7 +17,6 @@ #include <linux/tty_flip.h> #include "u_serial.h" -#include "gadget_chips.h" /* Defines */ @@ -79,20 +78,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /*-------------------------------------------------------------------------*/ @@ -191,6 +177,18 @@ static int gs_bind(struct usb_composite_dev *cdev) serial_config_driver.iConfiguration = status; if (gadget_is_otg(cdev->gadget)) { + if (!otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) { + status = -ENOMEM; + goto fail; + } + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } serial_config_driver.descriptors = otg_desc; serial_config_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; } @@ -208,13 +206,15 @@ static int gs_bind(struct usb_composite_dev *cdev) "gser"); } if (status < 0) - goto fail; + goto fail1; usb_composite_overwrite_options(cdev, &coverwrite); INFO(cdev, "%s\n", GS_VERSION_NAME); return 0; - +fail1: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail: return status; } @@ -227,6 +227,10 @@ static int gs_unbind(struct usb_composite_dev *cdev) usb_put_function(f_serial[i]); usb_put_function_instance(fi_serial[i]); } + + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/legacy/zero.c b/drivers/usb/gadget/legacy/zero.c index c986e8addb90..37a410056fed 100644 --- a/drivers/usb/gadget/legacy/zero.c +++ b/drivers/usb/gadget/legacy/zero.c @@ -121,24 +121,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 2, }; -#ifdef CONFIG_USB_OTG -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; -#else -#define otg_desc NULL -#endif +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ /* default serial number takes at least two packets */ @@ -341,6 +324,18 @@ static int zero_bind(struct usb_composite_dev *cdev) /* support OTG systems */ if (gadget_is_otg(cdev->gadget)) { + if (!otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) { + status = -ENOMEM; + goto err_conf_flb; + } + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } sourcesink_driver.descriptors = otg_desc; sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; loopback_driver.descriptors = otg_desc; @@ -359,12 +354,12 @@ static int zero_bind(struct usb_composite_dev *cdev) } status = usb_add_function(&sourcesink_driver, func_ss); if (status) - goto err_conf_flb; + goto err_free_otg_desc; usb_ep_autoconfig_reset(cdev->gadget); status = usb_add_function(&loopback_driver, func_lb); if (status) - goto err_conf_flb; + goto err_free_otg_desc; usb_ep_autoconfig_reset(cdev->gadget); usb_composite_overwrite_options(cdev, &coverwrite); @@ -373,6 +368,9 @@ static int zero_bind(struct usb_composite_dev *cdev) return 0; +err_free_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; err_conf_flb: usb_put_function(func_lb); func_lb = NULL; @@ -397,6 +395,9 @@ static int zero_unbind(struct usb_composite_dev *cdev) if (!IS_ERR_OR_NULL(func_lb)) usb_put_function(func_lb); usb_put_function_instance(func_inst_lb); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c index de7e5e2ccf1c..fdacddb18c00 100644 --- a/drivers/usb/gadget/udc/amd5536udc.c +++ b/drivers/usb/gadget/udc/amd5536udc.c @@ -138,15 +138,82 @@ static DECLARE_TASKLET(disconnect_tasklet, udc_tasklet_disconnect, /* endpoint names used for print */ static const char ep0_string[] = "ep0in"; -static const char *const ep_string[] = { - ep0_string, - "ep1in-int", "ep2in-bulk", "ep3in-bulk", "ep4in-bulk", "ep5in-bulk", - "ep6in-bulk", "ep7in-bulk", "ep8in-bulk", "ep9in-bulk", "ep10in-bulk", - "ep11in-bulk", "ep12in-bulk", "ep13in-bulk", "ep14in-bulk", - "ep15in-bulk", "ep0out", "ep1out-bulk", "ep2out-bulk", "ep3out-bulk", - "ep4out-bulk", "ep5out-bulk", "ep6out-bulk", "ep7out-bulk", - "ep8out-bulk", "ep9out-bulk", "ep10out-bulk", "ep11out-bulk", - "ep12out-bulk", "ep13out-bulk", "ep14out-bulk", "ep15out-bulk" +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info[] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + + EP_INFO(ep0_string, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep1in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep2in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep3in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep5in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep6in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep7in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep8in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep9in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep10in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep11in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep12in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep13in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep14in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep15in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep0out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep1out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep2out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep3out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep4out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep5out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep6out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep7out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep8out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep9out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep10out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep11out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep12out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep13out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep14out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep15out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + +#undef EP_INFO }; /* DMA usage flag */ @@ -1517,7 +1584,8 @@ static void udc_setup_endpoints(struct udc *dev) for (tmp = 0; tmp < UDC_EP_NUM; tmp++) { ep = &dev->ep[tmp]; ep->dev = dev; - ep->ep.name = ep_string[tmp]; + ep->ep.name = ep_info[tmp].name; + ep->ep.caps = ep_info[tmp].caps; ep->num = tmp; /* txfifo size is calculated at enable time */ ep->txfifo = dev->txfifo; diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c index fc4226462f8f..d0d18947f58b 100644 --- a/drivers/usb/gadget/udc/at91_udc.c +++ b/drivers/usb/gadget/udc/at91_udc.c @@ -59,15 +59,34 @@ #define DRIVER_VERSION "3 May 2006" static const char driver_name [] = "at91_udc"; -static const char * const ep_names[] = { - "ep0", - "ep1", - "ep2", - "ep3-int", - "ep4", - "ep5", + +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info[] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + + EP_INFO("ep0", + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep1", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep2", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep3-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep4", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep5", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + +#undef EP_INFO }; -#define ep0name ep_names[0] + +#define ep0name ep_info[0].name #define VBUS_POLL_TIMEOUT msecs_to_jiffies(1000) @@ -825,6 +844,7 @@ static void udc_reinit(struct at91_udc *udc) INIT_LIST_HEAD(&udc->gadget.ep_list); INIT_LIST_HEAD(&udc->gadget.ep0->ep_list); + udc->gadget.quirk_stall_not_supp = 1; for (i = 0; i < NUM_ENDPOINTS; i++) { struct at91_ep *ep = &udc->ep[i]; @@ -1830,7 +1850,8 @@ static int at91udc_probe(struct platform_device *pdev) for (i = 0; i < NUM_ENDPOINTS; i++) { ep = &udc->ep[i]; - ep->ep.name = ep_names[i]; + ep->ep.name = ep_info[i].name; + ep->ep.caps = ep_info[i].caps; ep->ep.ops = &at91_ep_ops; ep->udc = udc; ep->int_mask = BIT(i); diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 4095cce05e6a..267d84f838e1 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -1989,6 +1989,10 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, ep->can_isoc = of_property_read_bool(pp, "atmel,can-isoc"); ret = of_property_read_string(pp, "name", &name); + if (ret) { + dev_err(&pdev->dev, "of_probe: name error(%d)\n", ret); + goto err; + } ep->ep.name = name; ep->ep_regs = udc->regs + USBA_EPT_BASE(i); @@ -2063,6 +2067,17 @@ static struct usba_ep * usba_udc_pdata(struct platform_device *pdev, ep->can_dma = pdata->ep[i].can_dma; ep->can_isoc = pdata->ep[i].can_isoc; + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = ep->can_isoc; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; + if (i) list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); } diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c index 9db968ba39f5..8cbb00325824 100644 --- a/drivers/usb/gadget/udc/bcm63xx_udc.c +++ b/drivers/usb/gadget/udc/bcm63xx_udc.c @@ -44,9 +44,29 @@ #define DRV_MODULE_NAME "bcm63xx_udc" static const char bcm63xx_ep0name[] = "ep0"; -static const char *const bcm63xx_ep_name[] = { - bcm63xx_ep0name, - "ep1in-bulk", "ep2out-bulk", "ep3in-int", "ep4out-int", + +static const struct { + const char *name; + const struct usb_ep_caps caps; +} bcm63xx_ep_info[] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + + EP_INFO(bcm63xx_ep0name, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep1in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep2out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep3in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4out-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_OUT)), + +#undef EP_INFO }; static bool use_fullspeed; @@ -943,7 +963,8 @@ static int bcm63xx_init_udc_hw(struct bcm63xx_udc *udc) for (i = 0; i < BCM63XX_NUM_EP; i++) { struct bcm63xx_ep *bep = &udc->bep[i]; - bep->ep.name = bcm63xx_ep_name[i]; + bep->ep.name = bcm63xx_ep_info[i].name; + bep->ep.caps = bcm63xx_ep_info[i].caps; bep->ep_num = i; bep->ep.ops = &bcm63xx_udc_ep_ops; list_add_tail(&bep->ep.ep_list, &udc->gadget.ep_list); diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c index 1efa61265d8d..d1b81539d632 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -1952,12 +1952,18 @@ static int init_ep(struct bdc *bdc, u32 epnum, u32 dir) ep->bdc = bdc; ep->dir = dir; + if (dir) + ep->usb_ep.caps.dir_in = true; + else + ep->usb_ep.caps.dir_out = true; + /* ep->ep_num is the index inside bdc_ep */ if (epnum == 1) { ep->ep_num = 1; bdc->bdc_ep_array[ep->ep_num] = ep; snprintf(ep->name, sizeof(ep->name), "ep%d", epnum - 1); usb_ep_set_maxpacket_limit(&ep->usb_ep, EP0_MAX_PKT_SIZE); + ep->usb_ep.caps.type_control = true; ep->comp_desc = NULL; bdc->gadget.ep0 = &ep->usb_ep; } else { @@ -1971,6 +1977,9 @@ static int init_ep(struct bdc *bdc, u32 epnum, u32 dir) dir & 1 ? "in" : "out"); usb_ep_set_maxpacket_limit(&ep->usb_ep, 1024); + ep->usb_ep.caps.type_iso = true; + ep->usb_ep.caps.type_bulk = true; + ep->usb_ep.caps.type_int = true; ep->usb_ep.max_streams = 0; list_add_tail(&ep->usb_ep.ep_list, &bdc->gadget.ep_list); } diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index 181112c88f43..1379ad40d864 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -127,23 +127,87 @@ static inline struct dummy_request *usb_request_to_dummy_request static const char ep0name[] = "ep0"; -static const char *const ep_name[] = { - ep0name, /* everyone has ep0 */ +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info[] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + /* everyone has ep0 */ + EP_INFO(ep0name, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), /* act like a pxa250: fifteen fixed function endpoints */ - "ep1in-bulk", "ep2out-bulk", "ep3in-iso", "ep4out-iso", "ep5in-int", - "ep6in-bulk", "ep7out-bulk", "ep8in-iso", "ep9out-iso", "ep10in-int", - "ep11in-bulk", "ep12out-bulk", "ep13in-iso", "ep14out-iso", - "ep15in-int", - + EP_INFO("ep1in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep2out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep3in-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4out-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep5in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep6in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep7out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep8in-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep9out-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep10in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep11in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep12out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep13in-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep14out-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep15in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), /* or like sa1100: two fixed function endpoints */ - "ep1out-bulk", "ep2in-bulk", - + EP_INFO("ep1out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep2in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), /* and now some generic EPs so we have enough in multi config */ - "ep3out", "ep4in", "ep5out", "ep6out", "ep7in", "ep8out", "ep9in", - "ep10out", "ep11out", "ep12in", "ep13out", "ep14in", "ep15out", + EP_INFO("ep3out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep4in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep5out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep6out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep7in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep8out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep9in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep10out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep11out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep12in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep13out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep14in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep15out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + +#undef EP_INFO }; -#define DUMMY_ENDPOINTS ARRAY_SIZE(ep_name) + +#define DUMMY_ENDPOINTS ARRAY_SIZE(ep_info) /*-------------------------------------------------------------------------*/ @@ -938,9 +1002,10 @@ static void init_dummy_udc_hw(struct dummy *dum) for (i = 0; i < DUMMY_ENDPOINTS; i++) { struct dummy_ep *ep = &dum->ep[i]; - if (!ep_name[i]) + if (!ep_info[i].name) break; - ep->ep.name = ep_name[i]; + ep->ep.name = ep_info[i].name; + ep->ep.caps = ep_info[i].caps; ep->ep.ops = &dummy_ep_ops; list_add_tail(&ep->ep.ep_list, &dum->gadget.ep_list); ep->halted = ep->wedged = ep->already_seen = @@ -1684,7 +1749,7 @@ static void dummy_timer(unsigned long _dum_hcd) } for (i = 0; i < DUMMY_ENDPOINTS; i++) { - if (!ep_name[i]) + if (!ep_info[i].name) break; dum->ep[i].already_seen = 0; } diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index 1137e3384218..6ba122cc7490 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -384,25 +384,15 @@ static void fotg210_ep0_queue(struct fotg210_ep *ep, return; } if (ep->dir_in) { /* if IN */ - if (req->req.length) { - fotg210_start_dma(ep, req); - } else { - pr_err("%s : req->req.length = 0x%x\n", - __func__, req->req.length); - } + fotg210_start_dma(ep, req); if ((req->req.length == req->req.actual) || (req->req.actual < ep->ep.maxpacket)) fotg210_done(ep, req, 0); } else { /* OUT */ - if (!req->req.length) { - fotg210_done(ep, req, 0); - } else { - u32 value = ioread32(ep->fotg210->reg + - FOTG210_DMISGR0); + u32 value = ioread32(ep->fotg210->reg + FOTG210_DMISGR0); - value &= ~DMISGR0_MCX_OUT_INT; - iowrite32(value, ep->fotg210->reg + FOTG210_DMISGR0); - } + value &= ~DMISGR0_MCX_OUT_INT; + iowrite32(value, ep->fotg210->reg + FOTG210_DMISGR0); } } @@ -1153,6 +1143,17 @@ static int fotg210_udc_probe(struct platform_device *pdev) ep->ep.name = fotg210_ep_name[i]; ep->ep.ops = &fotg210_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&fotg210->ep[0]->ep, 0x40); fotg210->gadget.ep0 = &fotg210->ep[0]->ep; diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index e0822f1b6639..5fb6f8b4f0b4 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -2417,6 +2417,17 @@ static int qe_ep_config(struct qe_udc *udc, unsigned char pipe_num) strcpy(ep->name, ep_name[pipe_num]); ep->ep.name = ep_name[pipe_num]; + if (pipe_num == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; + ep->ep.ops = &qe_ep_ops; ep->stopped = 1; usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0); diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index c60022b46a48..aab5221d6c2e 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -2313,6 +2313,19 @@ static int struct_ep_setup(struct fsl_udc *udc, unsigned char index, ep->ep.ops = &fsl_ep_ops; ep->stopped = 0; + if (index == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + if (index & 1) + ep->ep.caps.dir_in = true; + else + ep->ep.caps.dir_out = true; + /* for ep0: maxP defined in desc * for other eps, maxP is set by epautoconfig() called by gadget layer */ diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index 3970f453de49..948845c90e47 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1450,6 +1450,17 @@ static int fusb300_probe(struct platform_device *pdev) ep->ep.name = fusb300_ep_name[i]; ep->ep.ops = &fusb300_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, HS_BULK_MAX_PACKET_SIZE); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&fusb300->ep[0]->ep, HS_CTL_MAX_PACKET_SIZE); fusb300->ep[0]->epnum = 0; diff --git a/drivers/usb/gadget/udc/gadget_chips.h b/drivers/usb/gadget/udc/gadget_chips.h deleted file mode 100644 index bcd04bc66b98..000000000000 --- a/drivers/usb/gadget/udc/gadget_chips.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * USB device controllers have lots of quirks. Use these macros in - * gadget drivers or other code that needs to deal with them, and which - * autoconfigures instead of using early binding to the hardware. - * - * This SHOULD eventually work like the ARM mach_is_*() stuff, driven by - * some config file that gets updated as new hardware is supported. - * (And avoiding all runtime comparisons in typical one-choice configs!) - * - * NOTE: some of these controller drivers may not be available yet. - * Some are available on 2.4 kernels; several are available, but not - * yet pushed in the 2.6 mainline tree. - */ - -#ifndef __GADGET_CHIPS_H -#define __GADGET_CHIPS_H - -#include <linux/usb/gadget.h> - -/* - * NOTICE: the entries below are alphabetical and should be kept - * that way. - * - * Always be sure to add new entries to the correct position or - * accept the bashing later. - * - * If you have forgotten the alphabetical order let VIM/EMACS - * do that for you. - */ -#define gadget_is_at91(g) (!strcmp("at91_udc", (g)->name)) -#define gadget_is_goku(g) (!strcmp("goku_udc", (g)->name)) -#define gadget_is_musbhdrc(g) (!strcmp("musb-hdrc", (g)->name)) -#define gadget_is_net2280(g) (!strcmp("net2280", (g)->name)) -#define gadget_is_pxa(g) (!strcmp("pxa25x_udc", (g)->name)) -#define gadget_is_pxa27x(g) (!strcmp("pxa27x_udc", (g)->name)) - -/** - * gadget_supports_altsettings - return true if altsettings work - * @gadget: the gadget in question - */ -static inline bool gadget_supports_altsettings(struct usb_gadget *gadget) -{ - /* PXA 21x/25x/26x has no altsettings at all */ - if (gadget_is_pxa(gadget)) - return false; - - /* PXA 27x and 3xx have *broken* altsetting support */ - if (gadget_is_pxa27x(gadget)) - return false; - - /* Everything else is *presumably* fine ... */ - return true; -} - -#endif /* __GADGET_CHIPS_H */ diff --git a/drivers/usb/gadget/udc/goku_udc.c b/drivers/usb/gadget/udc/goku_udc.c index 9e8d842e8c08..1fdfec14a3ba 100644 --- a/drivers/usb/gadget/udc/goku_udc.c +++ b/drivers/usb/gadget/udc/goku_udc.c @@ -990,6 +990,35 @@ static int goku_get_frame(struct usb_gadget *_gadget) return -EOPNOTSUPP; } +static struct usb_ep *goku_match_ep(struct usb_gadget *g, + struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *ep_comp) +{ + struct goku_udc *dev = to_goku_udc(g); + struct usb_ep *ep; + + switch (usb_endpoint_type(desc)) { + case USB_ENDPOINT_XFER_INT: + /* single buffering is enough */ + ep = &dev->ep[3].ep; + if (usb_gadget_ep_match_desc(g, ep, desc, ep_comp)) + return ep; + break; + case USB_ENDPOINT_XFER_BULK: + if (usb_endpoint_dir_in(desc)) { + /* DMA may be available */ + ep = &dev->ep[2].ep; + if (usb_gadget_ep_match_desc(g, ep, desc, ep_comp)) + return ep; + } + break; + default: + /* nothing */ ; + } + + return NULL; +} + static int goku_udc_start(struct usb_gadget *g, struct usb_gadget_driver *driver); static int goku_udc_stop(struct usb_gadget *g); @@ -998,6 +1027,7 @@ static const struct usb_gadget_ops goku_ops = { .get_frame = goku_get_frame, .udc_start = goku_udc_start, .udc_stop = goku_udc_stop, + .match_ep = goku_match_ep, // no remote wakeup // not selfpowered }; @@ -1257,6 +1287,14 @@ static void udc_reinit (struct goku_udc *dev) INIT_LIST_HEAD (&ep->queue); ep_reset(NULL, ep); + + if (i == 0) + ep->ep.caps.type_control = true; + else + ep->ep.caps.type_bulk = true; + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } dev->ep[0].reg_mode = NULL; diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c index c8868870e217..8aa2593c2c36 100644 --- a/drivers/usb/gadget/udc/gr_udc.c +++ b/drivers/usb/gadget/udc/gr_udc.c @@ -2018,12 +2018,23 @@ static int gr_ep_init(struct gr_udc *dev, int num, int is_in, u32 maxplimit) usb_ep_set_maxpacket_limit(&ep->ep, MAX_CTRL_PL_SIZE); ep->bytes_per_buffer = MAX_CTRL_PL_SIZE; + + ep->ep.caps.type_control = true; } else { usb_ep_set_maxpacket_limit(&ep->ep, (u16)maxplimit); list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list); + + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; } list_add_tail(&ep->ep_list, &dev->ep_list); + if (is_in) + ep->ep.caps.dir_in = true; + else + ep->ep.caps.dir_out = true; + ep->tailbuf = dma_alloc_coherent(dev->dev, ep->ep.maxpacket_limit, &ep->tailbuf_paddr, GFP_ATOMIC); if (!ep->tailbuf) diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index 3b6a7852822d..00b5006baf15 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -2575,6 +2575,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep0", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 0, @@ -2586,6 +2588,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep1-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 2, @@ -2597,6 +2601,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep2-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 4, @@ -2608,6 +2614,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep3-iso", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 6, @@ -2619,6 +2627,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep4-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 8, @@ -2630,6 +2640,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep5-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 10, @@ -2641,6 +2653,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep6-iso", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 12, @@ -2652,6 +2666,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep7-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 14, @@ -2663,6 +2679,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep8-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 16, @@ -2674,6 +2692,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep9-iso", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 18, @@ -2685,6 +2705,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep10-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 20, @@ -2696,6 +2718,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep11-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 22, @@ -2707,6 +2731,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep12-iso", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 24, @@ -2718,6 +2744,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep13-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 26, @@ -2729,6 +2757,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep14-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 28, @@ -2740,6 +2770,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep15-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 30, diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c index 309706fe4bf0..b1cfa96cc88f 100644 --- a/drivers/usb/gadget/udc/m66592-udc.c +++ b/drivers/usb/gadget/udc/m66592-udc.c @@ -1052,7 +1052,7 @@ static void set_feature(struct m66592 *m66592, struct usb_ctrlrequest *ctrl) tmp = m66592_read(m66592, M66592_INTSTS0) & M66592_CTSQ; udelay(1); - } while (tmp != M66592_CS_IDST || timeout-- > 0); + } while (tmp != M66592_CS_IDST && timeout-- > 0); if (tmp == M66592_CS_IDST) m66592_bset(m66592, @@ -1644,6 +1644,17 @@ static int m66592_probe(struct platform_device *pdev) ep->ep.name = m66592_ep_name[i]; ep->ep.ops = &m66592_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, 512); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&m66592->ep[0].ep, 64); m66592->ep[0].pipenum = 0; diff --git a/drivers/usb/gadget/udc/mv_u3d_core.c b/drivers/usb/gadget/udc/mv_u3d_core.c index ea35a248c898..4c489692745e 100644 --- a/drivers/usb/gadget/udc/mv_u3d_core.c +++ b/drivers/usb/gadget/udc/mv_u3d_core.c @@ -1324,6 +1324,9 @@ static int mv_u3d_eps_init(struct mv_u3d *u3d) ep->ep.ops = &mv_u3d_ep_ops; ep->wedge = 0; usb_ep_set_maxpacket_limit(&ep->ep, MV_U3D_EP0_MAX_PKT_SIZE); + ep->ep.caps.type_control = true; + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; ep->ep_num = 0; ep->ep.desc = &mv_u3d_ep0_desc; INIT_LIST_HEAD(&ep->queue); @@ -1339,14 +1342,20 @@ static int mv_u3d_eps_init(struct mv_u3d *u3d) if (i & 1) { snprintf(name, sizeof(name), "ep%din", i >> 1); ep->direction = MV_U3D_EP_DIR_IN; + ep->ep.caps.dir_in = true; } else { snprintf(name, sizeof(name), "ep%dout", i >> 1); ep->direction = MV_U3D_EP_DIR_OUT; + ep->ep.caps.dir_out = true; } ep->u3d = u3d; strncpy(ep->name, name, sizeof(ep->name)); ep->ep.name = ep->name; + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + ep->ep.ops = &mv_u3d_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0); ep->ep_num = i / 2; diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index 5da37c957b53..339af51df57d 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -1257,6 +1257,9 @@ static int eps_init(struct mv_udc *udc) ep->wedge = 0; ep->stopped = 0; usb_ep_set_maxpacket_limit(&ep->ep, EP0_MAX_PKT_SIZE); + ep->ep.caps.type_control = true; + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; ep->ep_num = 0; ep->ep.desc = &mv_ep0_desc; INIT_LIST_HEAD(&ep->queue); @@ -1269,14 +1272,20 @@ static int eps_init(struct mv_udc *udc) if (i % 2) { snprintf(name, sizeof(name), "ep%din", i / 2); ep->direction = EP_DIR_IN; + ep->ep.caps.dir_in = true; } else { snprintf(name, sizeof(name), "ep%dout", i / 2); ep->direction = EP_DIR_OUT; + ep->ep.caps.dir_out = true; } ep->udc = udc; strncpy(ep->name, name, sizeof(ep->name)); ep->ep.name = ep->name; + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + ep->ep.ops = &mv_ep_ops; ep->stopped = 0; usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0); diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index 195baf3e1fcd..18f5ebd447b8 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -1404,6 +1404,17 @@ net2272_usb_reinit(struct net2272 *dev) else ep->fifo_size = 64; net2272_ep_reset(ep); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&dev->ep[0].ep, 64); @@ -1826,9 +1837,9 @@ net2272_handle_stat0_irqs(struct net2272 *dev, u8 stat) if (!e || u.r.wLength > 2) goto do_stall; if (net2272_ep_read(e, EP_RSPSET) & (1 << ENDPOINT_HALT)) - status = __constant_cpu_to_le16(1); + status = cpu_to_le16(1); else - status = __constant_cpu_to_le16(0); + status = cpu_to_le16(0); /* don't bother with a request object! */ net2272_ep_write(&dev->ep[0], EP_IRQENB, 0); diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index 2bee912ca65b..cf0ed42f5591 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -74,19 +74,58 @@ static const char driver_desc[] = DRIVER_DESC; static const u32 ep_bit[9] = { 0, 17, 2, 19, 4, 1, 18, 3, 20 }; static const char ep0name[] = "ep0"; -static const char *const ep_name[] = { - ep0name, - "ep-a", "ep-b", "ep-c", "ep-d", - "ep-e", "ep-f", "ep-g", "ep-h", -}; -/* Endpoint names for usb3380 advance mode */ -static const char *const ep_name_adv[] = { - ep0name, - "ep1in", "ep2out", "ep3in", "ep4out", - "ep1out", "ep2in", "ep3out", "ep4in", +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info_dft[] = { /* Default endpoint configuration */ + EP_INFO(ep0name, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-a", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-b", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-c", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-d", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-e", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-f", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-g", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-h", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), +}, ep_info_adv[] = { /* Endpoints for usb3380 advance mode */ + EP_INFO(ep0name, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep1in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep2out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep3in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep1out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep2in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep3out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep4in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), }; +#undef EP_INFO + /* mode 0 == ep-{a,b,c,d} 1K fifo each * mode 1 == ep-{a,b} 2K fifo each, ep-{c,d} unavailable * mode 2 == ep-a 2K fifo, ep-{b,c} 1K each, ep-d unavailable @@ -1511,6 +1550,33 @@ static int net2280_pullup(struct usb_gadget *_gadget, int is_on) return 0; } +static struct usb_ep *net2280_match_ep(struct usb_gadget *_gadget, + struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *ep_comp) +{ + char name[8]; + struct usb_ep *ep; + + if (usb_endpoint_type(desc) == USB_ENDPOINT_XFER_INT) { + /* ep-e, ep-f are PIO with only 64 byte fifos */ + ep = gadget_find_ep_by_name(_gadget, "ep-e"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + ep = gadget_find_ep_by_name(_gadget, "ep-f"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + } + + /* USB3380: use same address for usb and hardware endpoints */ + snprintf(name, sizeof(name), "ep%d%s", usb_endpoint_num(desc), + usb_endpoint_dir_in(desc) ? "in" : "out"); + ep = gadget_find_ep_by_name(_gadget, name); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + + return NULL; +} + static int net2280_start(struct usb_gadget *_gadget, struct usb_gadget_driver *driver); static int net2280_stop(struct usb_gadget *_gadget); @@ -1522,6 +1588,7 @@ static const struct usb_gadget_ops net2280_ops = { .pullup = net2280_pullup, .udc_start = net2280_start, .udc_stop = net2280_stop, + .match_ep = net2280_match_ep, }; /*-------------------------------------------------------------------------*/ @@ -2055,7 +2122,8 @@ static void usb_reinit_228x(struct net2280 *dev) for (tmp = 0; tmp < 7; tmp++) { struct net2280_ep *ep = &dev->ep[tmp]; - ep->ep.name = ep_name[tmp]; + ep->ep.name = ep_info_dft[tmp].name; + ep->ep.caps = ep_info_dft[tmp].caps; ep->dev = dev; ep->num = tmp; @@ -2095,7 +2163,10 @@ static void usb_reinit_338x(struct net2280 *dev) for (i = 0; i < dev->n_ep; i++) { struct net2280_ep *ep = &dev->ep[i]; - ep->ep.name = dev->enhanced_mode ? ep_name_adv[i] : ep_name[i]; + ep->ep.name = dev->enhanced_mode ? ep_info_adv[i].name : + ep_info_dft[i].name; + ep->ep.caps = dev->enhanced_mode ? ep_info_adv[i].caps : + ep_info_dft[i].caps; ep->dev = dev; ep->num = i; diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c index e2fcdb8e5596..9b7d39484ed3 100644 --- a/drivers/usb/gadget/udc/omap_udc.c +++ b/drivers/usb/gadget/udc/omap_udc.c @@ -2579,6 +2579,28 @@ omap_ep_setup(char *name, u8 addr, u8 type, ep->double_buf = dbuf; ep->udc = udc; + switch (type) { + case USB_ENDPOINT_XFER_CONTROL: + ep->ep.caps.type_control = true; + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; + break; + case USB_ENDPOINT_XFER_ISOC: + ep->ep.caps.type_iso = true; + break; + case USB_ENDPOINT_XFER_BULK: + ep->ep.caps.type_bulk = true; + break; + case USB_ENDPOINT_XFER_INT: + ep->ep.caps.type_int = true; + break; + }; + + if (addr & USB_DIR_IN) + ep->ep.caps.dir_in = true; + else + ep->ep.caps.dir_out = true; + ep->ep.name = ep->name; ep->ep.ops = &omap_ep_ops; ep->maxpacket = maxp; diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 613547f07828..e5f4c5274298 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -620,9 +620,9 @@ static inline void pch_udc_vbus_session(struct pch_udc_dev *dev, dev->vbus_session = 1; } else { if (dev->driver && dev->driver->disconnect) { - spin_unlock(&dev->lock); - dev->driver->disconnect(&dev->gadget); spin_lock(&dev->lock); + dev->driver->disconnect(&dev->gadget); + spin_unlock(&dev->lock); } pch_udc_set_disconnect(dev); dev->vbus_session = 0; @@ -1191,9 +1191,9 @@ static int pch_udc_pcd_pullup(struct usb_gadget *gadget, int is_on) pch_udc_reconnect(dev); } else { if (dev->driver && dev->driver->disconnect) { - spin_unlock(&dev->lock); - dev->driver->disconnect(&dev->gadget); spin_lock(&dev->lock); + dev->driver->disconnect(&dev->gadget); + spin_unlock(&dev->lock); } pch_udc_set_disconnect(dev); } @@ -1488,11 +1488,11 @@ static void complete_req(struct pch_udc_ep *ep, struct pch_udc_request *req, req->dma_mapped = 0; } ep->halted = 1; - spin_unlock(&dev->lock); + spin_lock(&dev->lock); if (!ep->in) pch_udc_ep_clear_rrdy(ep); usb_gadget_giveback_request(&ep->ep, &req->req); - spin_lock(&dev->lock); + spin_unlock(&dev->lock); ep->halted = halted; } @@ -1793,7 +1793,7 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep, } /* prevent from using desc. - set HOST BUSY */ dma_desc->status |= PCH_UDC_BS_HST_BSY; - dma_desc->dataptr = __constant_cpu_to_le32(DMA_ADDR_INVALID); + dma_desc->dataptr = cpu_to_le32(DMA_ADDR_INVALID); req->td_data = dma_desc; req->td_data_last = dma_desc; req->chain_len = 1; @@ -2414,7 +2414,7 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev) dev->gadget.ep0 = &dev->ep[UDC_EP0IN_IDX].ep; else /* OUT */ dev->gadget.ep0 = &ep->ep; - spin_unlock(&dev->lock); + spin_lock(&dev->lock); /* If Mass storage Reset */ if ((dev->setup_data.bRequestType == 0x21) && (dev->setup_data.bRequest == 0xFF)) @@ -2422,7 +2422,7 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev) /* call gadget with setup data received */ setup_supported = dev->driver->setup(&dev->gadget, &dev->setup_data); - spin_lock(&dev->lock); + spin_unlock(&dev->lock); if (dev->setup_data.bRequestType & USB_DIR_IN) { ep->td_data->status = (ep->td_data->status & @@ -2594,9 +2594,9 @@ static void pch_udc_svc_ur_interrupt(struct pch_udc_dev *dev) empty_req_queue(ep); } if (dev->driver) { - spin_unlock(&dev->lock); - usb_gadget_udc_reset(&dev->gadget, dev->driver); spin_lock(&dev->lock); + usb_gadget_udc_reset(&dev->gadget, dev->driver); + spin_unlock(&dev->lock); } } @@ -2675,9 +2675,9 @@ static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) dev->ep[i].halted = 0; } dev->stall = 0; - spin_unlock(&dev->lock); - ret = dev->driver->setup(&dev->gadget, &dev->setup_data); spin_lock(&dev->lock); + ret = dev->driver->setup(&dev->gadget, &dev->setup_data); + spin_unlock(&dev->lock); } /** @@ -2712,9 +2712,9 @@ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) dev->stall = 0; /* call gadget zero with setup data received */ - spin_unlock(&dev->lock); - ret = dev->driver->setup(&dev->gadget, &dev->setup_data); spin_lock(&dev->lock); + ret = dev->driver->setup(&dev->gadget, &dev->setup_data); + spin_unlock(&dev->lock); } /** @@ -2747,18 +2747,18 @@ static void pch_udc_dev_isr(struct pch_udc_dev *dev, u32 dev_intr) if (dev_intr & UDC_DEVINT_US) { if (dev->driver && dev->driver->suspend) { - spin_unlock(&dev->lock); - dev->driver->suspend(&dev->gadget); spin_lock(&dev->lock); + dev->driver->suspend(&dev->gadget); + spin_unlock(&dev->lock); } vbus = pch_vbus_gpio_get_value(dev); if ((dev->vbus_session == 0) && (vbus != 1)) { if (dev->driver && dev->driver->disconnect) { - spin_unlock(&dev->lock); - dev->driver->disconnect(&dev->gadget); spin_lock(&dev->lock); + dev->driver->disconnect(&dev->gadget); + spin_unlock(&dev->lock); } pch_udc_reconnect(dev); } else if ((dev->vbus_session == 0) @@ -2895,11 +2895,21 @@ static void pch_udc_pcd_reinit(struct pch_udc_dev *dev) ep->in = ~i & 1; ep->ep.name = ep_string[i]; ep->ep.ops = &pch_udc_ep_ops; - if (ep->in) + if (ep->in) { ep->offset_addr = ep->num * UDC_EP_REG_SHIFT; - else + ep->ep.caps.dir_in = true; + } else { ep->offset_addr = (UDC_EPINT_OUT_SHIFT + ep->num) * UDC_EP_REG_SHIFT; + ep->ep.caps.dir_out = true; + } + if (i == UDC_EP0IN_IDX || i == UDC_EP0OUT_IDX) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } /* need to set ep->ep.maxpacket and set Default Configuration?*/ usb_ep_set_maxpacket_limit(&ep->ep, UDC_BULK_MAX_PKT_SIZE); list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list); diff --git a/drivers/usb/gadget/udc/pxa25x_udc.c b/drivers/usb/gadget/udc/pxa25x_udc.c index f6cbe667ce39..b82cb14850b6 100644 --- a/drivers/usb/gadget/udc/pxa25x_udc.c +++ b/drivers/usb/gadget/udc/pxa25x_udc.c @@ -1176,6 +1176,7 @@ static void udc_reinit(struct pxa25x_udc *dev) INIT_LIST_HEAD (&dev->gadget.ep_list); INIT_LIST_HEAD (&dev->gadget.ep0->ep_list); dev->ep0state = EP0_IDLE; + dev->gadget.quirk_altset_not_supp = 1; /* basic endpoint records init */ for (i = 0; i < PXA_UDC_NUM_ENDPOINTS; i++) { @@ -1821,6 +1822,8 @@ static struct pxa25x_udc memory = { .name = ep0name, .ops = &pxa25x_ep_ops, .maxpacket = EP0_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .reg_udccs = &UDCCS0, @@ -1833,6 +1836,8 @@ static struct pxa25x_udc memory = { .name = "ep1in-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1846,6 +1851,8 @@ static struct pxa25x_udc memory = { .name = "ep2out-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1861,6 +1868,8 @@ static struct pxa25x_udc memory = { .name = "ep3in-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -1874,6 +1883,8 @@ static struct pxa25x_udc memory = { .name = "ep4out-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -1888,6 +1899,7 @@ static struct pxa25x_udc memory = { .name = "ep5in-int", .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, + .caps = USB_EP_CAPS(0, 0), }, .dev = &memory, .fifo_size = INT_FIFO_SIZE, @@ -1903,6 +1915,8 @@ static struct pxa25x_udc memory = { .name = "ep6in-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1916,6 +1930,8 @@ static struct pxa25x_udc memory = { .name = "ep7out-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1930,6 +1946,8 @@ static struct pxa25x_udc memory = { .name = "ep8in-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -1943,6 +1961,8 @@ static struct pxa25x_udc memory = { .name = "ep9out-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -1957,6 +1977,7 @@ static struct pxa25x_udc memory = { .name = "ep10in-int", .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, + .caps = USB_EP_CAPS(0, 0), }, .dev = &memory, .fifo_size = INT_FIFO_SIZE, @@ -1972,6 +1993,8 @@ static struct pxa25x_udc memory = { .name = "ep11in-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1985,6 +2008,8 @@ static struct pxa25x_udc memory = { .name = "ep12out-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1999,6 +2024,8 @@ static struct pxa25x_udc memory = { .name = "ep13in-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -2012,6 +2039,8 @@ static struct pxa25x_udc memory = { .name = "ep14out-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -2026,6 +2055,7 @@ static struct pxa25x_udc memory = { .name = "ep15in-int", .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, + .caps = USB_EP_CAPS(0, 0), }, .dev = &memory, .fifo_size = INT_FIFO_SIZE, diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c index b51226abade6..670ac0b12f00 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/drivers/usb/gadget/udc/pxa27x_udc.c @@ -1710,6 +1710,7 @@ static void udc_init_data(struct pxa_udc *dev) INIT_LIST_HEAD(&dev->gadget.ep_list); INIT_LIST_HEAD(&dev->gadget.ep0->ep_list); dev->udc_usb_ep[0].pxa_ep = &dev->pxa_ep[0]; + dev->gadget.quirk_altset_not_supp = 1; ep0_idle(dev); /* PXA endpoints init */ @@ -2422,7 +2423,7 @@ static int pxa_udc_probe(struct platform_device *pdev) } udc->udc_command = mach->udc_command; } else { - udc->gpiod = devm_gpiod_get(&pdev->dev, NULL); + udc->gpiod = devm_gpiod_get(&pdev->dev, NULL, GPIOD_ASIS); } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/drivers/usb/gadget/udc/pxa27x_udc.h b/drivers/usb/gadget/udc/pxa27x_udc.h index 11e14232794b..cea2cb79b30c 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.h +++ b/drivers/usb/gadget/udc/pxa27x_udc.h @@ -234,25 +234,35 @@ /* * Endpoint definition helpers */ -#define USB_EP_DEF(addr, bname, dir, type, maxpkt) \ -{ .usb_ep = { .name = bname, .ops = &pxa_ep_ops, .maxpacket = maxpkt, }, \ +#define USB_EP_DEF(addr, bname, dir, type, maxpkt, ctype, cdir) \ +{ .usb_ep = { .name = bname, .ops = &pxa_ep_ops, .maxpacket = maxpkt, \ + .caps = USB_EP_CAPS(ctype, cdir), }, \ .desc = { .bEndpointAddress = addr | (dir ? USB_DIR_IN : 0), \ - .bmAttributes = type, \ + .bmAttributes = USB_ENDPOINT_XFER_ ## type, \ .wMaxPacketSize = maxpkt, }, \ .dev = &memory \ } -#define USB_EP_BULK(addr, bname, dir) \ - USB_EP_DEF(addr, bname, dir, USB_ENDPOINT_XFER_BULK, BULK_FIFO_SIZE) -#define USB_EP_ISO(addr, bname, dir) \ - USB_EP_DEF(addr, bname, dir, USB_ENDPOINT_XFER_ISOC, ISO_FIFO_SIZE) -#define USB_EP_INT(addr, bname, dir) \ - USB_EP_DEF(addr, bname, dir, USB_ENDPOINT_XFER_INT, INT_FIFO_SIZE) -#define USB_EP_IN_BULK(n) USB_EP_BULK(n, "ep" #n "in-bulk", 1) -#define USB_EP_OUT_BULK(n) USB_EP_BULK(n, "ep" #n "out-bulk", 0) -#define USB_EP_IN_ISO(n) USB_EP_ISO(n, "ep" #n "in-iso", 1) -#define USB_EP_OUT_ISO(n) USB_EP_ISO(n, "ep" #n "out-iso", 0) -#define USB_EP_IN_INT(n) USB_EP_INT(n, "ep" #n "in-int", 1) -#define USB_EP_CTRL USB_EP_DEF(0, "ep0", 0, 0, EP0_FIFO_SIZE) +#define USB_EP_BULK(addr, bname, dir, cdir) \ + USB_EP_DEF(addr, bname, dir, BULK, BULK_FIFO_SIZE, \ + USB_EP_CAPS_TYPE_BULK, cdir) +#define USB_EP_ISO(addr, bname, dir, cdir) \ + USB_EP_DEF(addr, bname, dir, ISOC, ISO_FIFO_SIZE, \ + USB_EP_CAPS_TYPE_ISO, cdir) +#define USB_EP_INT(addr, bname, dir, cdir) \ + USB_EP_DEF(addr, bname, dir, INT, INT_FIFO_SIZE, \ + USB_EP_CAPS_TYPE_INT, cdir) +#define USB_EP_IN_BULK(n) USB_EP_BULK(n, "ep" #n "in-bulk", 1, \ + USB_EP_CAPS_DIR_IN) +#define USB_EP_OUT_BULK(n) USB_EP_BULK(n, "ep" #n "out-bulk", 0, \ + USB_EP_CAPS_DIR_OUT) +#define USB_EP_IN_ISO(n) USB_EP_ISO(n, "ep" #n "in-iso", 1, \ + USB_EP_CAPS_DIR_IN) +#define USB_EP_OUT_ISO(n) USB_EP_ISO(n, "ep" #n "out-iso", 0, \ + USB_EP_CAPS_DIR_OUT) +#define USB_EP_IN_INT(n) USB_EP_INT(n, "ep" #n "in-int", 1, \ + USB_EP_CAPS_DIR_IN) +#define USB_EP_CTRL USB_EP_DEF(0, "ep0", 0, CONTROL, EP0_FIFO_SIZE, \ + USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL) #define PXA_EP_DEF(_idx, _addr, dir, _type, maxpkt, _config, iface, altset) \ { \ diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c index 0293f7169dee..baa0609a429d 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/drivers/usb/gadget/udc/r8a66597-udc.c @@ -1935,6 +1935,16 @@ static int r8a66597_probe(struct platform_device *pdev) ep->ep.name = r8a66597_ep_name[i]; ep->ep.ops = &r8a66597_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, 512); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&r8a66597->ep[0].ep, 64); r8a66597->ep[0].pipenum = 0; diff --git a/drivers/usb/gadget/udc/s3c-hsudc.c b/drivers/usb/gadget/udc/s3c-hsudc.c index 85a712a03343..e9def42ce50d 100644 --- a/drivers/usb/gadget/udc/s3c-hsudc.c +++ b/drivers/usb/gadget/udc/s3c-hsudc.c @@ -1005,6 +1005,21 @@ static void s3c_hsudc_initep(struct s3c_hsudc *hsudc, hsep->stopped = 0; hsep->wedge = 0; + if (epnum == 0) { + hsep->ep.caps.type_control = true; + hsep->ep.caps.dir_in = true; + hsep->ep.caps.dir_out = true; + } else { + hsep->ep.caps.type_iso = true; + hsep->ep.caps.type_bulk = true; + hsep->ep.caps.type_int = true; + } + + if (epnum & 1) + hsep->ep.caps.dir_in = true; + else + hsep->ep.caps.dir_out = true; + set_index(hsudc, epnum); writel(hsep->ep.maxpacket, hsudc->regs + S3C_MPR); } diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c index 5d9aa81969b4..eb3571ee59e3 100644 --- a/drivers/usb/gadget/udc/s3c2410_udc.c +++ b/drivers/usb/gadget/udc/s3c2410_udc.c @@ -1691,6 +1691,8 @@ static struct s3c2410_udc memory = { .name = ep0name, .ops = &s3c2410_ep_ops, .maxpacket = EP0_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, }, @@ -1702,6 +1704,8 @@ static struct s3c2410_udc memory = { .name = "ep1-bulk", .ops = &s3c2410_ep_ops, .maxpacket = EP_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .fifo_size = EP_FIFO_SIZE, @@ -1714,6 +1718,8 @@ static struct s3c2410_udc memory = { .name = "ep2-bulk", .ops = &s3c2410_ep_ops, .maxpacket = EP_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .fifo_size = EP_FIFO_SIZE, @@ -1726,6 +1732,8 @@ static struct s3c2410_udc memory = { .name = "ep3-bulk", .ops = &s3c2410_ep_ops, .maxpacket = EP_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .fifo_size = EP_FIFO_SIZE, @@ -1738,6 +1746,8 @@ static struct s3c2410_udc memory = { .name = "ep4-bulk", .ops = &s3c2410_ep_ops, .maxpacket = EP_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .fifo_size = EP_FIFO_SIZE, diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index 89ed5e71a199..f660afba715d 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -131,6 +131,96 @@ EXPORT_SYMBOL_GPL(usb_gadget_giveback_request); /* ------------------------------------------------------------------------- */ +/** + * gadget_find_ep_by_name - returns ep whose name is the same as sting passed + * in second parameter or NULL if searched endpoint not found + * @g: controller to check for quirk + * @name: name of searched endpoint + */ +struct usb_ep *gadget_find_ep_by_name(struct usb_gadget *g, const char *name) +{ + struct usb_ep *ep; + + gadget_for_each_ep(ep, g) { + if (!strcmp(ep->name, name)) + return ep; + } + + return NULL; +} +EXPORT_SYMBOL_GPL(gadget_find_ep_by_name); + +/* ------------------------------------------------------------------------- */ + +int usb_gadget_ep_match_desc(struct usb_gadget *gadget, + struct usb_ep *ep, struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *ep_comp) +{ + u8 type; + u16 max; + int num_req_streams = 0; + + /* endpoint already claimed? */ + if (ep->claimed) + return 0; + + type = usb_endpoint_type(desc); + max = 0x7ff & usb_endpoint_maxp(desc); + + if (usb_endpoint_dir_in(desc) && !ep->caps.dir_in) + return 0; + if (usb_endpoint_dir_out(desc) && !ep->caps.dir_out) + return 0; + + if (max > ep->maxpacket_limit) + return 0; + + /* "high bandwidth" works only at high speed */ + if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp(desc) & (3<<11)) + return 0; + + switch (type) { + case USB_ENDPOINT_XFER_CONTROL: + /* only support ep0 for portable CONTROL traffic */ + return 0; + case USB_ENDPOINT_XFER_ISOC: + if (!ep->caps.type_iso) + return 0; + /* ISO: limit 1023 bytes full speed, 1024 high/super speed */ + if (!gadget_is_dualspeed(gadget) && max > 1023) + return 0; + break; + case USB_ENDPOINT_XFER_BULK: + if (!ep->caps.type_bulk) + return 0; + if (ep_comp && gadget_is_superspeed(gadget)) { + /* Get the number of required streams from the + * EP companion descriptor and see if the EP + * matches it + */ + num_req_streams = ep_comp->bmAttributes & 0x1f; + if (num_req_streams > ep->max_streams) + return 0; + } + break; + case USB_ENDPOINT_XFER_INT: + /* Bulk endpoints handle interrupt transfers, + * except the toggle-quirky iso-synch kind + */ + if (!ep->caps.type_int && !ep->caps.type_bulk) + return 0; + /* INT: limit 64 bytes full speed, 1024 high/super speed */ + if (!gadget_is_dualspeed(gadget) && max > 64) + return 0; + break; + } + + return 1; +} +EXPORT_SYMBOL_GPL(usb_gadget_ep_match_desc); + +/* ------------------------------------------------------------------------- */ + static void usb_gadget_state_work(struct work_struct *work) { struct usb_gadget *gadget = work_to_gadget(work); diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c index 1f24274477ab..1cbb0ac6b182 100644 --- a/drivers/usb/gadget/udc/udc-xilinx.c +++ b/drivers/usb/gadget/udc/udc-xilinx.c @@ -1317,12 +1317,21 @@ static void xudc_eps_init(struct xusb_udc *udc) snprintf(ep->name, EPNAME_SIZE, "ep%d", ep_number); ep->ep_usb.name = ep->name; ep->ep_usb.ops = &xusb_ep_ops; + + ep->ep_usb.caps.type_iso = true; + ep->ep_usb.caps.type_bulk = true; + ep->ep_usb.caps.type_int = true; } else { ep->ep_usb.name = ep0name; usb_ep_set_maxpacket_limit(&ep->ep_usb, EP0_MAX_PACKET); ep->ep_usb.ops = &xusb_ep0_ops; + + ep->ep_usb.caps.type_control = true; } + ep->ep_usb.caps.dir_in = true; + ep->ep_usb.caps.dir_out = true; + ep->udc = udc; ep->epnumber = ep_number; ep->desc = NULL; diff --git a/drivers/usb/isp1760/isp1760-udc.c b/drivers/usb/isp1760/isp1760-udc.c index 18ebf5b1f256..1c3d0fd658fa 100644 --- a/drivers/usb/isp1760/isp1760-udc.c +++ b/drivers/usb/isp1760/isp1760-udc.c @@ -1382,14 +1382,25 @@ static void isp1760_udc_init_eps(struct isp1760_udc *udc) * This fits in the 8kB FIFO without double-buffering. */ if (ep_num == 0) { - ep->ep.maxpacket = 64; + usb_ep_set_maxpacket_limit(&ep->ep, 64); + ep->ep.caps.type_control = true; + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; ep->maxpacket = 64; udc->gadget.ep0 = &ep->ep; } else { - ep->ep.maxpacket = 512; + usb_ep_set_maxpacket_limit(&ep->ep, 512); + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; ep->maxpacket = 0; list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); } + + if (is_in) + ep->ep.caps.dir_in = true; + else + ep->ep.caps.dir_out = true; } } diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index 39db8b603627..1f2037bbeb0d 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -5,7 +5,7 @@ # (M)HDRC = (Multipoint) Highspeed Dual-Role Controller config USB_MUSB_HDRC - tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' + tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, AW, ...)' depends on (USB || USB_GADGET) help Say Y here if your system has a dual role high speed USB @@ -20,6 +20,8 @@ config USB_MUSB_HDRC Analog Devices parts using this IP include Blackfin BF54x, BF525 and BF527. + Allwinner SoCs using this IP include A10, A13, A20, ... + If you do not know what this is, please say N. To compile this driver as a module, choose M here; the @@ -60,6 +62,15 @@ endchoice comment "Platform Glue Layer" +config USB_MUSB_SUNXI + tristate "Allwinner (sunxi)" + depends on ARCH_SUNXI + depends on NOP_USB_XCEIV + depends on PHY_SUN4I_USB + depends on EXTCON + depends on GENERIC_PHY + select SUNXI_SRAM + config USB_MUSB_DAVINCI tristate "DaVinci" depends on ARCH_DAVINCI_DMx @@ -113,19 +124,20 @@ config USB_MUSB_JZ4740 config USB_MUSB_AM335X_CHILD tristate -choice - prompt 'MUSB DMA mode' - default MUSB_PIO_ONLY if ARCH_MULTIPLATFORM || USB_MUSB_JZ4740 - default USB_UX500_DMA if USB_MUSB_UX500 - default USB_INVENTRA_DMA if USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN - default USB_TI_CPPI_DMA if USB_MUSB_DAVINCI - default USB_TUSB_OMAP_DMA if USB_MUSB_TUSB6010 - default MUSB_PIO_ONLY if USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X \ - || USB_MUSB_DSPS +comment "MUSB DMA mode" + +config MUSB_PIO_ONLY + bool 'Disable DMA (always use PIO)' help - Unfortunately, only one option can be enabled here. Ideally one - should be able to build all these drivers into one kernel to - allow using DMA on multiplatform kernels. + All data is copied between memory and FIFO by the CPU. + DMA controllers are ignored. + + Do not choose this unless DMA support for your SOC or board + is unavailable (or unstable). When DMA is enabled at compile time, + you can still disable it at run time using the "use_dma=n" module + parameter. + +if !MUSB_PIO_ONLY config USB_UX500_DMA bool 'ST Ericsson Ux500' @@ -157,17 +169,6 @@ config USB_TUSB_OMAP_DMA help Enable DMA transfers on TUSB 6010 when OMAP DMA is available. -config MUSB_PIO_ONLY - bool 'Disable DMA (always use PIO)' - help - All data is copied between memory and FIFO by the CPU. - DMA controllers are ignored. - - Do not choose this unless DMA support for your SOC or board - is unavailable (or unstable). When DMA is enabled at compile time, - you can still disable it at run time using the "use_dma=n" module - parameter. - -endchoice +endif # !MUSB_PIO_ONLY endif # USB_MUSB_HDRC diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile index ba495018b416..f95befe18cc1 100644 --- a/drivers/usb/musb/Makefile +++ b/drivers/usb/musb/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_USB_MUSB_DA8XX) += da8xx.o obj-$(CONFIG_USB_MUSB_BLACKFIN) += blackfin.o obj-$(CONFIG_USB_MUSB_UX500) += ux500.o obj-$(CONFIG_USB_MUSB_JZ4740) += jz4740.o +obj-$(CONFIG_USB_MUSB_SUNXI) += sunxi.o obj-$(CONFIG_USB_MUSB_AM335X_CHILD) += musb_am335x.o diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 4d1b44c232ee..d07cafb7d5f5 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -614,7 +614,7 @@ static int cppi41_dma_controller_start(struct cppi41_dma_controller *controller) { struct musb *musb = controller->musb; struct device *dev = musb->controller; - struct device_node *np = dev->of_node; + struct device_node *np = dev->parent->of_node; struct cppi41_dma_channel *cppi41_channel; int count; int i; @@ -664,7 +664,7 @@ static int cppi41_dma_controller_start(struct cppi41_dma_controller *controller) musb_dma->status = MUSB_DMA_STATUS_FREE; musb_dma->max_len = SZ_4M; - dc = dma_request_slave_channel(dev, str); + dc = dma_request_slave_channel(dev->parent, str); if (!dc) { dev_err(dev, "Failed to request %s.\n", str); ret = -EPROBE_DEFER; @@ -695,7 +695,7 @@ cppi41_dma_controller_create(struct musb *musb, void __iomem *base) struct cppi41_dma_controller *controller; int ret = 0; - if (!musb->controller->of_node) { + if (!musb->controller->parent->of_node) { dev_err(musb->controller, "Need DT for the DMA engine.\n"); return NULL; } diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 625d482f1a97..67ad630c86c9 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -313,8 +313,7 @@ static void txstate(struct musb *musb, struct musb_request *req) /* MUSB_TXCSR_P_ISO is still set correctly */ -#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA) - { + if (musb_dma_inventra(musb) || musb_dma_ux500(musb)) { if (request_size < musb_ep->packet_sz) musb_ep->dma->desired_mode = 0; else @@ -365,7 +364,6 @@ static void txstate(struct musb *musb, struct musb_request *req) } } -#endif if (is_cppi_enabled(musb)) { /* program endpoint CSR first, then setup DMA */ csr &= ~(MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_TXPKTRDY); @@ -641,8 +639,10 @@ static void rxstate(struct musb *musb, struct musb_request *req) use_mode_1 = 0; if (request->actual < request->length) { -#ifdef CONFIG_USB_INVENTRA_DMA - if (is_buffer_mapped(req)) { + if (!is_buffer_mapped(req)) + goto buffer_aint_mapped; + + if (musb_dma_inventra(musb)) { struct dma_controller *c; struct dma_channel *channel; int use_dma = 0; @@ -716,8 +716,8 @@ static void rxstate(struct musb *musb, struct musb_request *req) if (use_dma) return; } -#elif defined(CONFIG_USB_UX500_DMA) - if ((is_buffer_mapped(req)) && + + if ((musb_dma_ux500(musb)) && (request->actual < request->length)) { struct dma_controller *c; @@ -765,7 +765,6 @@ static void rxstate(struct musb *musb, struct musb_request *req) return; } -#endif /* Mentor's DMA */ len = request->length - request->actual; dev_dbg(musb->controller, "%s OUT/RX pio fifo %d/%d, maxpacket %d\n", @@ -775,8 +774,7 @@ static void rxstate(struct musb *musb, struct musb_request *req) fifo_count = min_t(unsigned, len, fifo_count); -#ifdef CONFIG_USB_TUSB_OMAP_DMA - if (tusb_dma_omap(musb) && is_buffer_mapped(req)) { + if (tusb_dma_omap(musb)) { struct dma_controller *c = musb->dma_controller; struct dma_channel *channel = musb_ep->dma; u32 dma_addr = request->dma + request->actual; @@ -790,23 +788,22 @@ static void rxstate(struct musb *musb, struct musb_request *req) if (ret) return; } -#endif + /* * Unmap the dma buffer back to cpu if dma channel * programming fails. This buffer is mapped if the * channel allocation is successful */ - if (is_buffer_mapped(req)) { - unmap_dma_buffer(req, musb); - - /* - * Clear DMAENAB and AUTOCLEAR for the - * PIO mode transfer - */ - csr &= ~(MUSB_RXCSR_DMAENAB | MUSB_RXCSR_AUTOCLEAR); - musb_writew(epio, MUSB_RXCSR, csr); - } + unmap_dma_buffer(req, musb); + /* + * Clear DMAENAB and AUTOCLEAR for the + * PIO mode transfer + */ + csr &= ~(MUSB_RXCSR_DMAENAB | MUSB_RXCSR_AUTOCLEAR); + musb_writew(epio, MUSB_RXCSR, csr); + +buffer_aint_mapped: musb_read_fifo(musb_ep->hw_ep, fifo_count, (u8 *) (request->buf + request->actual)); request->actual += fifo_count; @@ -1684,6 +1681,40 @@ static int musb_gadget_pullup(struct usb_gadget *gadget, int is_on) return 0; } +#ifdef CONFIG_BLACKFIN +static struct usb_ep *musb_match_ep(struct usb_gadget *g, + struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *ep_comp) +{ + struct usb_ep *ep = NULL; + + switch (usb_endpoint_type(desc)) { + case USB_ENDPOINT_XFER_ISOC: + case USB_ENDPOINT_XFER_BULK: + if (usb_endpoint_dir_in(desc)) + ep = gadget_find_ep_by_name(g, "ep5in"); + else + ep = gadget_find_ep_by_name(g, "ep6out"); + break; + case USB_ENDPOINT_XFER_INT: + if (usb_endpoint_dir_in(desc)) + ep = gadget_find_ep_by_name(g, "ep1in"); + else + ep = gadget_find_ep_by_name(g, "ep2out"); + break; + default: + break; + } + + if (ep && usb_gadget_ep_match_desc(g, ep, desc, ep_comp)) + return ep; + + return NULL; +} +#else +#define musb_match_ep NULL +#endif + static int musb_gadget_start(struct usb_gadget *g, struct usb_gadget_driver *driver); static int musb_gadget_stop(struct usb_gadget *g); @@ -1697,6 +1728,7 @@ static const struct usb_gadget_ops musb_gadget_operations = { .pullup = musb_gadget_pullup, .udc_start = musb_gadget_start, .udc_stop = musb_gadget_stop, + .match_ep = musb_match_ep, }; /* ----------------------------------------------------------------------- */ @@ -1729,6 +1761,7 @@ init_peripheral_ep(struct musb *musb, struct musb_ep *ep, u8 epnum, int is_in) INIT_LIST_HEAD(&ep->end_point.ep_list); if (!epnum) { usb_ep_set_maxpacket_limit(&ep->end_point, 64); + ep->end_point.caps.type_control = true; ep->end_point.ops = &musb_g_ep0_ops; musb->g.ep0 = &ep->end_point; } else { @@ -1736,9 +1769,20 @@ init_peripheral_ep(struct musb *musb, struct musb_ep *ep, u8 epnum, int is_in) usb_ep_set_maxpacket_limit(&ep->end_point, hw_ep->max_packet_sz_tx); else usb_ep_set_maxpacket_limit(&ep->end_point, hw_ep->max_packet_sz_rx); + ep->end_point.caps.type_iso = true; + ep->end_point.caps.type_bulk = true; + ep->end_point.caps.type_int = true; ep->end_point.ops = &musb_ep_ops; list_add_tail(&ep->end_point.ep_list, &musb->g.ep_list); } + + if (!epnum || hw_ep->is_shared_fifo) { + ep->end_point.caps.dir_in = true; + ep->end_point.caps.dir_out = true; + } else if (is_in) + ep->end_point.caps.dir_in = true; + else + ep->end_point.caps.dir_out = true; } /* @@ -2075,6 +2119,7 @@ __acquires(musb->lock) musb->g.b_hnp_enable = 0; musb->g.a_alt_hnp_support = 0; musb->g.a_hnp_support = 0; + musb->g.quirk_zlp_not_supp = 1; /* Normal reset, as B-Device; * or else after HNP, as A-Device diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c new file mode 100644 index 000000000000..f9f6304ad854 --- /dev/null +++ b/drivers/usb/musb/sunxi.c @@ -0,0 +1,756 @@ +/* + * Allwinner sun4i MUSB Glue Layer + * + * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com> + * + * Based on code from + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/extcon.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/phy/phy-sun4i-usb.h> +#include <linux/platform_device.h> +#include <linux/reset.h> +#include <linux/soc/sunxi/sunxi_sram.h> +#include <linux/usb/musb.h> +#include <linux/usb/of.h> +#include <linux/usb/usb_phy_generic.h> +#include <linux/workqueue.h> +#include "musb_core.h" + +/* + * Register offsets, note sunxi musb has a different layout then most + * musb implementations, we translate the layout in musb_readb & friends. + */ +#define SUNXI_MUSB_POWER 0x0040 +#define SUNXI_MUSB_DEVCTL 0x0041 +#define SUNXI_MUSB_INDEX 0x0042 +#define SUNXI_MUSB_VEND0 0x0043 +#define SUNXI_MUSB_INTRTX 0x0044 +#define SUNXI_MUSB_INTRRX 0x0046 +#define SUNXI_MUSB_INTRTXE 0x0048 +#define SUNXI_MUSB_INTRRXE 0x004a +#define SUNXI_MUSB_INTRUSB 0x004c +#define SUNXI_MUSB_INTRUSBE 0x0050 +#define SUNXI_MUSB_FRAME 0x0054 +#define SUNXI_MUSB_TXFIFOSZ 0x0090 +#define SUNXI_MUSB_TXFIFOADD 0x0092 +#define SUNXI_MUSB_RXFIFOSZ 0x0094 +#define SUNXI_MUSB_RXFIFOADD 0x0096 +#define SUNXI_MUSB_FADDR 0x0098 +#define SUNXI_MUSB_TXFUNCADDR 0x0098 +#define SUNXI_MUSB_TXHUBADDR 0x009a +#define SUNXI_MUSB_TXHUBPORT 0x009b +#define SUNXI_MUSB_RXFUNCADDR 0x009c +#define SUNXI_MUSB_RXHUBADDR 0x009e +#define SUNXI_MUSB_RXHUBPORT 0x009f +#define SUNXI_MUSB_CONFIGDATA 0x00c0 + +/* VEND0 bits */ +#define SUNXI_MUSB_VEND0_PIO_MODE 0 + +/* flags */ +#define SUNXI_MUSB_FL_ENABLED 0 +#define SUNXI_MUSB_FL_HOSTMODE 1 +#define SUNXI_MUSB_FL_HOSTMODE_PEND 2 +#define SUNXI_MUSB_FL_VBUS_ON 3 +#define SUNXI_MUSB_FL_PHY_ON 4 +#define SUNXI_MUSB_FL_HAS_SRAM 5 +#define SUNXI_MUSB_FL_HAS_RESET 6 +#define SUNXI_MUSB_FL_NO_CONFIGDATA 7 + +/* Our read/write methods need access and do not get passed in a musb ref :| */ +static struct musb *sunxi_musb; + +struct sunxi_glue { + struct device *dev; + struct platform_device *musb; + struct clk *clk; + struct reset_control *rst; + struct phy *phy; + struct platform_device *usb_phy; + struct usb_phy *xceiv; + unsigned long flags; + struct work_struct work; + struct extcon_dev *extcon; + struct notifier_block host_nb; +}; + +/* phy_power_on / off may sleep, so we use a workqueue */ +static void sunxi_musb_work(struct work_struct *work) +{ + struct sunxi_glue *glue = container_of(work, struct sunxi_glue, work); + bool vbus_on, phy_on; + + if (!test_bit(SUNXI_MUSB_FL_ENABLED, &glue->flags)) + return; + + if (test_and_clear_bit(SUNXI_MUSB_FL_HOSTMODE_PEND, &glue->flags)) { + struct musb *musb = platform_get_drvdata(glue->musb); + unsigned long flags; + u8 devctl; + + spin_lock_irqsave(&musb->lock, flags); + + devctl = readb(musb->mregs + SUNXI_MUSB_DEVCTL); + if (test_bit(SUNXI_MUSB_FL_HOSTMODE, &glue->flags)) { + set_bit(SUNXI_MUSB_FL_VBUS_ON, &glue->flags); + musb->xceiv->otg->default_a = 1; + musb->xceiv->otg->state = OTG_STATE_A_IDLE; + MUSB_HST_MODE(musb); + devctl |= MUSB_DEVCTL_SESSION; + } else { + clear_bit(SUNXI_MUSB_FL_VBUS_ON, &glue->flags); + musb->xceiv->otg->default_a = 0; + musb->xceiv->otg->state = OTG_STATE_B_IDLE; + MUSB_DEV_MODE(musb); + devctl &= ~MUSB_DEVCTL_SESSION; + } + writeb(devctl, musb->mregs + SUNXI_MUSB_DEVCTL); + + spin_unlock_irqrestore(&musb->lock, flags); + } + + vbus_on = test_bit(SUNXI_MUSB_FL_VBUS_ON, &glue->flags); + phy_on = test_bit(SUNXI_MUSB_FL_PHY_ON, &glue->flags); + + if (phy_on != vbus_on) { + if (vbus_on) { + phy_power_on(glue->phy); + set_bit(SUNXI_MUSB_FL_PHY_ON, &glue->flags); + } else { + phy_power_off(glue->phy); + clear_bit(SUNXI_MUSB_FL_PHY_ON, &glue->flags); + } + } +} + +static void sunxi_musb_set_vbus(struct musb *musb, int is_on) +{ + struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); + + if (is_on) + set_bit(SUNXI_MUSB_FL_VBUS_ON, &glue->flags); + else + clear_bit(SUNXI_MUSB_FL_VBUS_ON, &glue->flags); + + schedule_work(&glue->work); +} + +static void sunxi_musb_pre_root_reset_end(struct musb *musb) +{ + struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); + + sun4i_usb_phy_set_squelch_detect(glue->phy, false); +} + +static void sunxi_musb_post_root_reset_end(struct musb *musb) +{ + struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); + + sun4i_usb_phy_set_squelch_detect(glue->phy, true); +} + +static irqreturn_t sunxi_musb_interrupt(int irq, void *__hci) +{ + struct musb *musb = __hci; + unsigned long flags; + + spin_lock_irqsave(&musb->lock, flags); + + musb->int_usb = readb(musb->mregs + SUNXI_MUSB_INTRUSB); + if (musb->int_usb) + writeb(musb->int_usb, musb->mregs + SUNXI_MUSB_INTRUSB); + + /* + * sunxi musb often signals babble on low / full speed device + * disconnect, without ever raising MUSB_INTR_DISCONNECT, since + * normally babble never happens treat it as disconnect. + */ + if ((musb->int_usb & MUSB_INTR_BABBLE) && is_host_active(musb)) { + musb->int_usb &= ~MUSB_INTR_BABBLE; + musb->int_usb |= MUSB_INTR_DISCONNECT; + } + + if ((musb->int_usb & MUSB_INTR_RESET) && !is_host_active(musb)) { + /* ep0 FADDR must be 0 when (re)entering peripheral mode */ + musb_ep_select(musb->mregs, 0); + musb_writeb(musb->mregs, MUSB_FADDR, 0); + } + + musb->int_tx = readw(musb->mregs + SUNXI_MUSB_INTRTX); + if (musb->int_tx) + writew(musb->int_tx, musb->mregs + SUNXI_MUSB_INTRTX); + + musb->int_rx = readw(musb->mregs + SUNXI_MUSB_INTRRX); + if (musb->int_rx) + writew(musb->int_rx, musb->mregs + SUNXI_MUSB_INTRRX); + + musb_interrupt(musb); + + spin_unlock_irqrestore(&musb->lock, flags); + + return IRQ_HANDLED; +} + +static int sunxi_musb_host_notifier(struct notifier_block *nb, + unsigned long event, void *ptr) +{ + struct sunxi_glue *glue = container_of(nb, struct sunxi_glue, host_nb); + + if (event) + set_bit(SUNXI_MUSB_FL_HOSTMODE, &glue->flags); + else + clear_bit(SUNXI_MUSB_FL_HOSTMODE, &glue->flags); + + set_bit(SUNXI_MUSB_FL_HOSTMODE_PEND, &glue->flags); + schedule_work(&glue->work); + + return NOTIFY_DONE; +} + +static int sunxi_musb_init(struct musb *musb) +{ + struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); + int ret; + + sunxi_musb = musb; + musb->phy = glue->phy; + musb->xceiv = glue->xceiv; + + if (test_bit(SUNXI_MUSB_FL_HAS_SRAM, &glue->flags)) { + ret = sunxi_sram_claim(musb->controller->parent); + if (ret) + return ret; + } + + ret = clk_prepare_enable(glue->clk); + if (ret) + goto error_sram_release; + + if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags)) { + ret = reset_control_deassert(glue->rst); + if (ret) + goto error_clk_disable; + } + + writeb(SUNXI_MUSB_VEND0_PIO_MODE, musb->mregs + SUNXI_MUSB_VEND0); + + /* Register notifier before calling phy_init() */ + if (musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE) { + ret = extcon_register_notifier(glue->extcon, EXTCON_USB_HOST, + &glue->host_nb); + if (ret) + goto error_reset_assert; + } + + ret = phy_init(glue->phy); + if (ret) + goto error_unregister_notifier; + + if (musb->port_mode == MUSB_PORT_MODE_HOST) { + ret = phy_power_on(glue->phy); + if (ret) + goto error_phy_exit; + set_bit(SUNXI_MUSB_FL_PHY_ON, &glue->flags); + /* Stop musb work from turning vbus off again */ + set_bit(SUNXI_MUSB_FL_VBUS_ON, &glue->flags); + } + + musb->isr = sunxi_musb_interrupt; + + /* Stop the musb-core from doing runtime pm (not supported on sunxi) */ + pm_runtime_get(musb->controller); + + return 0; + +error_phy_exit: + phy_exit(glue->phy); +error_unregister_notifier: + if (musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE) + extcon_unregister_notifier(glue->extcon, EXTCON_USB_HOST, + &glue->host_nb); +error_reset_assert: + if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags)) + reset_control_assert(glue->rst); +error_clk_disable: + clk_disable_unprepare(glue->clk); +error_sram_release: + if (test_bit(SUNXI_MUSB_FL_HAS_SRAM, &glue->flags)) + sunxi_sram_release(musb->controller->parent); + return ret; +} + +static int sunxi_musb_exit(struct musb *musb) +{ + struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); + + pm_runtime_put(musb->controller); + + cancel_work_sync(&glue->work); + if (test_bit(SUNXI_MUSB_FL_PHY_ON, &glue->flags)) + phy_power_off(glue->phy); + + phy_exit(glue->phy); + + if (musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE) + extcon_unregister_notifier(glue->extcon, EXTCON_USB_HOST, + &glue->host_nb); + + if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags)) + reset_control_assert(glue->rst); + + clk_disable_unprepare(glue->clk); + if (test_bit(SUNXI_MUSB_FL_HAS_SRAM, &glue->flags)) + sunxi_sram_release(musb->controller->parent); + + return 0; +} + +static void sunxi_musb_enable(struct musb *musb) +{ + struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); + + /* musb_core does not call us in a balanced manner */ + if (test_and_set_bit(SUNXI_MUSB_FL_ENABLED, &glue->flags)) + return; + + schedule_work(&glue->work); +} + +static void sunxi_musb_disable(struct musb *musb) +{ + struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); + + clear_bit(SUNXI_MUSB_FL_ENABLED, &glue->flags); +} + +/* + * sunxi musb register layout + * 0x00 - 0x17 fifo regs, 1 long per fifo + * 0x40 - 0x57 generic control regs (power - frame) + * 0x80 - 0x8f ep control regs (addressed through hw_ep->regs, indexed) + * 0x90 - 0x97 fifo control regs (indexed) + * 0x98 - 0x9f multipoint / busctl regs (indexed) + * 0xc0 configdata reg + */ + +static u32 sunxi_musb_fifo_offset(u8 epnum) +{ + return (epnum * 4); +} + +static u32 sunxi_musb_ep_offset(u8 epnum, u16 offset) +{ + WARN_ONCE(offset != 0, + "sunxi_musb_ep_offset called with non 0 offset\n"); + + return 0x80; /* indexed, so ignore epnum */ +} + +static u32 sunxi_musb_busctl_offset(u8 epnum, u16 offset) +{ + return SUNXI_MUSB_TXFUNCADDR + offset; +} + +static u8 sunxi_musb_readb(const void __iomem *addr, unsigned offset) +{ + struct sunxi_glue *glue; + + if (addr == sunxi_musb->mregs) { + /* generic control or fifo control reg access */ + switch (offset) { + case MUSB_FADDR: + return readb(addr + SUNXI_MUSB_FADDR); + case MUSB_POWER: + return readb(addr + SUNXI_MUSB_POWER); + case MUSB_INTRUSB: + return readb(addr + SUNXI_MUSB_INTRUSB); + case MUSB_INTRUSBE: + return readb(addr + SUNXI_MUSB_INTRUSBE); + case MUSB_INDEX: + return readb(addr + SUNXI_MUSB_INDEX); + case MUSB_TESTMODE: + return 0; /* No testmode on sunxi */ + case MUSB_DEVCTL: + return readb(addr + SUNXI_MUSB_DEVCTL); + case MUSB_TXFIFOSZ: + return readb(addr + SUNXI_MUSB_TXFIFOSZ); + case MUSB_RXFIFOSZ: + return readb(addr + SUNXI_MUSB_RXFIFOSZ); + case MUSB_CONFIGDATA + 0x10: /* See musb_read_configdata() */ + glue = dev_get_drvdata(sunxi_musb->controller->parent); + /* A33 saves a reg, and we get to hardcode this */ + if (test_bit(SUNXI_MUSB_FL_NO_CONFIGDATA, + &glue->flags)) + return 0xde; + + return readb(addr + SUNXI_MUSB_CONFIGDATA); + /* Offset for these is fixed by sunxi_musb_busctl_offset() */ + case SUNXI_MUSB_TXFUNCADDR: + case SUNXI_MUSB_TXHUBADDR: + case SUNXI_MUSB_TXHUBPORT: + case SUNXI_MUSB_RXFUNCADDR: + case SUNXI_MUSB_RXHUBADDR: + case SUNXI_MUSB_RXHUBPORT: + /* multipoint / busctl reg access */ + return readb(addr + offset); + default: + dev_err(sunxi_musb->controller->parent, + "Error unknown readb offset %u\n", offset); + return 0; + } + } else if (addr == (sunxi_musb->mregs + 0x80)) { + /* ep control reg access */ + /* sunxi has a 2 byte hole before the txtype register */ + if (offset >= MUSB_TXTYPE) + offset += 2; + return readb(addr + offset); + } + + dev_err(sunxi_musb->controller->parent, + "Error unknown readb at 0x%x bytes offset\n", + (int)(addr - sunxi_musb->mregs)); + return 0; +} + +static void sunxi_musb_writeb(void __iomem *addr, unsigned offset, u8 data) +{ + if (addr == sunxi_musb->mregs) { + /* generic control or fifo control reg access */ + switch (offset) { + case MUSB_FADDR: + return writeb(data, addr + SUNXI_MUSB_FADDR); + case MUSB_POWER: + return writeb(data, addr + SUNXI_MUSB_POWER); + case MUSB_INTRUSB: + return writeb(data, addr + SUNXI_MUSB_INTRUSB); + case MUSB_INTRUSBE: + return writeb(data, addr + SUNXI_MUSB_INTRUSBE); + case MUSB_INDEX: + return writeb(data, addr + SUNXI_MUSB_INDEX); + case MUSB_TESTMODE: + if (data) + dev_warn(sunxi_musb->controller->parent, + "sunxi-musb does not have testmode\n"); + return; + case MUSB_DEVCTL: + return writeb(data, addr + SUNXI_MUSB_DEVCTL); + case MUSB_TXFIFOSZ: + return writeb(data, addr + SUNXI_MUSB_TXFIFOSZ); + case MUSB_RXFIFOSZ: + return writeb(data, addr + SUNXI_MUSB_RXFIFOSZ); + /* Offset for these is fixed by sunxi_musb_busctl_offset() */ + case SUNXI_MUSB_TXFUNCADDR: + case SUNXI_MUSB_TXHUBADDR: + case SUNXI_MUSB_TXHUBPORT: + case SUNXI_MUSB_RXFUNCADDR: + case SUNXI_MUSB_RXHUBADDR: + case SUNXI_MUSB_RXHUBPORT: + /* multipoint / busctl reg access */ + return writeb(data, addr + offset); + default: + dev_err(sunxi_musb->controller->parent, + "Error unknown writeb offset %u\n", offset); + return; + } + } else if (addr == (sunxi_musb->mregs + 0x80)) { + /* ep control reg access */ + if (offset >= MUSB_TXTYPE) + offset += 2; + return writeb(data, addr + offset); + } + + dev_err(sunxi_musb->controller->parent, + "Error unknown writeb at 0x%x bytes offset\n", + (int)(addr - sunxi_musb->mregs)); +} + +static u16 sunxi_musb_readw(const void __iomem *addr, unsigned offset) +{ + if (addr == sunxi_musb->mregs) { + /* generic control or fifo control reg access */ + switch (offset) { + case MUSB_INTRTX: + return readw(addr + SUNXI_MUSB_INTRTX); + case MUSB_INTRRX: + return readw(addr + SUNXI_MUSB_INTRRX); + case MUSB_INTRTXE: + return readw(addr + SUNXI_MUSB_INTRTXE); + case MUSB_INTRRXE: + return readw(addr + SUNXI_MUSB_INTRRXE); + case MUSB_FRAME: + return readw(addr + SUNXI_MUSB_FRAME); + case MUSB_TXFIFOADD: + return readw(addr + SUNXI_MUSB_TXFIFOADD); + case MUSB_RXFIFOADD: + return readw(addr + SUNXI_MUSB_RXFIFOADD); + case MUSB_HWVERS: + return 0; /* sunxi musb version is not known */ + default: + dev_err(sunxi_musb->controller->parent, + "Error unknown readw offset %u\n", offset); + return 0; + } + } else if (addr == (sunxi_musb->mregs + 0x80)) { + /* ep control reg access */ + return readw(addr + offset); + } + + dev_err(sunxi_musb->controller->parent, + "Error unknown readw at 0x%x bytes offset\n", + (int)(addr - sunxi_musb->mregs)); + return 0; +} + +static void sunxi_musb_writew(void __iomem *addr, unsigned offset, u16 data) +{ + if (addr == sunxi_musb->mregs) { + /* generic control or fifo control reg access */ + switch (offset) { + case MUSB_INTRTX: + return writew(data, addr + SUNXI_MUSB_INTRTX); + case MUSB_INTRRX: + return writew(data, addr + SUNXI_MUSB_INTRRX); + case MUSB_INTRTXE: + return writew(data, addr + SUNXI_MUSB_INTRTXE); + case MUSB_INTRRXE: + return writew(data, addr + SUNXI_MUSB_INTRRXE); + case MUSB_FRAME: + return writew(data, addr + SUNXI_MUSB_FRAME); + case MUSB_TXFIFOADD: + return writew(data, addr + SUNXI_MUSB_TXFIFOADD); + case MUSB_RXFIFOADD: + return writew(data, addr + SUNXI_MUSB_RXFIFOADD); + default: + dev_err(sunxi_musb->controller->parent, + "Error unknown writew offset %u\n", offset); + return; + } + } else if (addr == (sunxi_musb->mregs + 0x80)) { + /* ep control reg access */ + return writew(data, addr + offset); + } + + dev_err(sunxi_musb->controller->parent, + "Error unknown writew at 0x%x bytes offset\n", + (int)(addr - sunxi_musb->mregs)); +} + +static const struct musb_platform_ops sunxi_musb_ops = { + .quirks = MUSB_INDEXED_EP, + .init = sunxi_musb_init, + .exit = sunxi_musb_exit, + .enable = sunxi_musb_enable, + .disable = sunxi_musb_disable, + .fifo_offset = sunxi_musb_fifo_offset, + .ep_offset = sunxi_musb_ep_offset, + .busctl_offset = sunxi_musb_busctl_offset, + .readb = sunxi_musb_readb, + .writeb = sunxi_musb_writeb, + .readw = sunxi_musb_readw, + .writew = sunxi_musb_writew, + .set_vbus = sunxi_musb_set_vbus, + .pre_root_reset_end = sunxi_musb_pre_root_reset_end, + .post_root_reset_end = sunxi_musb_post_root_reset_end, +}; + +/* Allwinner OTG supports up to 5 endpoints */ +#define SUNXI_MUSB_MAX_EP_NUM 6 +#define SUNXI_MUSB_RAM_BITS 11 + +static struct musb_fifo_cfg sunxi_musb_mode_cfg[] = { + MUSB_EP_FIFO_SINGLE(1, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(1, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(2, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(2, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(3, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(3, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(4, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(4, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(5, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(5, FIFO_RX, 512), +}; + +static struct musb_hdrc_config sunxi_musb_hdrc_config = { + .fifo_cfg = sunxi_musb_mode_cfg, + .fifo_cfg_size = ARRAY_SIZE(sunxi_musb_mode_cfg), + .multipoint = true, + .dyn_fifo = true, + .soft_con = true, + .num_eps = SUNXI_MUSB_MAX_EP_NUM, + .ram_bits = SUNXI_MUSB_RAM_BITS, + .dma = 0, +}; + +static int sunxi_musb_probe(struct platform_device *pdev) +{ + struct musb_hdrc_platform_data pdata; + struct platform_device_info pinfo; + struct sunxi_glue *glue; + struct device_node *np = pdev->dev.of_node; + int ret; + + if (!np) { + dev_err(&pdev->dev, "Error no device tree node found\n"); + return -EINVAL; + } + + glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); + if (!glue) + return -ENOMEM; + + memset(&pdata, 0, sizeof(pdata)); + switch (of_usb_get_dr_mode(np)) { +#if defined CONFIG_USB_MUSB_DUAL_ROLE || defined CONFIG_USB_MUSB_HOST + case USB_DR_MODE_HOST: + pdata.mode = MUSB_PORT_MODE_HOST; + break; +#endif +#ifdef CONFIG_USB_MUSB_DUAL_ROLE + case USB_DR_MODE_OTG: + glue->extcon = extcon_get_edev_by_phandle(&pdev->dev, 0); + if (IS_ERR(glue->extcon)) { + if (PTR_ERR(glue->extcon) == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_err(&pdev->dev, "Invalid or missing extcon\n"); + return PTR_ERR(glue->extcon); + } + pdata.mode = MUSB_PORT_MODE_DUAL_ROLE; + break; +#endif + default: + dev_err(&pdev->dev, "Invalid or missing 'dr_mode' property\n"); + return -EINVAL; + } + pdata.platform_ops = &sunxi_musb_ops; + pdata.config = &sunxi_musb_hdrc_config; + + glue->dev = &pdev->dev; + INIT_WORK(&glue->work, sunxi_musb_work); + glue->host_nb.notifier_call = sunxi_musb_host_notifier; + + if (of_device_is_compatible(np, "allwinner,sun4i-a10-musb")) + set_bit(SUNXI_MUSB_FL_HAS_SRAM, &glue->flags); + + if (of_device_is_compatible(np, "allwinner,sun6i-a31-musb")) + set_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags); + + if (of_device_is_compatible(np, "allwinner,sun8i-a33-musb")) { + set_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags); + set_bit(SUNXI_MUSB_FL_NO_CONFIGDATA, &glue->flags); + } + + glue->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(glue->clk)) { + dev_err(&pdev->dev, "Error getting clock: %ld\n", + PTR_ERR(glue->clk)); + return PTR_ERR(glue->clk); + } + + if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags)) { + glue->rst = devm_reset_control_get(&pdev->dev, NULL); + if (IS_ERR(glue->rst)) { + if (PTR_ERR(glue->rst) == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_err(&pdev->dev, "Error getting reset %ld\n", + PTR_ERR(glue->rst)); + return PTR_ERR(glue->rst); + } + } + + glue->phy = devm_phy_get(&pdev->dev, "usb"); + if (IS_ERR(glue->phy)) { + if (PTR_ERR(glue->phy) == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_err(&pdev->dev, "Error getting phy %ld\n", + PTR_ERR(glue->phy)); + return PTR_ERR(glue->phy); + } + + glue->usb_phy = usb_phy_generic_register(); + if (IS_ERR(glue->usb_phy)) { + dev_err(&pdev->dev, "Error registering usb-phy %ld\n", + PTR_ERR(glue->usb_phy)); + return PTR_ERR(glue->usb_phy); + } + + glue->xceiv = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2); + if (IS_ERR(glue->xceiv)) { + ret = PTR_ERR(glue->xceiv); + dev_err(&pdev->dev, "Error getting usb-phy %d\n", ret); + goto err_unregister_usb_phy; + } + + platform_set_drvdata(pdev, glue); + + memset(&pinfo, 0, sizeof(pinfo)); + pinfo.name = "musb-hdrc"; + pinfo.id = PLATFORM_DEVID_AUTO; + pinfo.parent = &pdev->dev; + pinfo.res = pdev->resource; + pinfo.num_res = pdev->num_resources; + pinfo.data = &pdata; + pinfo.size_data = sizeof(pdata); + + glue->musb = platform_device_register_full(&pinfo); + if (IS_ERR(glue->musb)) { + ret = PTR_ERR(glue->musb); + dev_err(&pdev->dev, "Error registering musb dev: %d\n", ret); + goto err_unregister_usb_phy; + } + + return 0; + +err_unregister_usb_phy: + usb_phy_generic_unregister(glue->usb_phy); + return ret; +} + +static int sunxi_musb_remove(struct platform_device *pdev) +{ + struct sunxi_glue *glue = platform_get_drvdata(pdev); + struct platform_device *usb_phy = glue->usb_phy; + + platform_device_unregister(glue->musb); /* Frees glue ! */ + usb_phy_generic_unregister(usb_phy); + + return 0; +} + +static const struct of_device_id sunxi_musb_match[] = { + { .compatible = "allwinner,sun4i-a10-musb", }, + { .compatible = "allwinner,sun6i-a31-musb", }, + { .compatible = "allwinner,sun8i-a33-musb", }, + {} +}; + +static struct platform_driver sunxi_musb_driver = { + .probe = sunxi_musb_probe, + .remove = sunxi_musb_remove, + .driver = { + .name = "musb-sunxi", + .of_match_table = sunxi_musb_match, + }, +}; +module_platform_driver(sunxi_musb_driver); + +MODULE_DESCRIPTION("Allwinner sunxi MUSB Glue Layer"); +MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index 869c0cfcad98..7d3beee2a587 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -152,6 +152,20 @@ config USB_MSM_OTG This driver is not supported on boards like trout which has an external PHY. +config USB_QCOM_8X16_PHY + tristate "Qualcomm APQ8016/MSM8916 on-chip USB PHY controller support" + depends on ARCH_QCOM || COMPILE_TEST + depends on RESET_CONTROLLER + select USB_PHY + select USB_ULPI_VIEWPORT + help + Enable this to support the USB transceiver on Qualcomm 8x16 chipsets. + It handles PHY initialization, clock management, power management, + and workarounds required after resetting the hardware. + + To compile this driver as a module, choose M here: the + module will be called phy-qcom-8x16-usb. + config USB_MV_OTG tristate "Marvell USB OTG support" depends on USB_EHCI_MV && USB_MV_UDC && PM diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile index e36ab1d46d8b..19c0dccbb116 100644 --- a/drivers/usb/phy/Makefile +++ b/drivers/usb/phy/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_USB_EHCI_TEGRA) += phy-tegra-usb.o obj-$(CONFIG_USB_GPIO_VBUS) += phy-gpio-vbus-usb.o obj-$(CONFIG_USB_ISP1301) += phy-isp1301.o obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o +obj-$(CONFIG_USB_QCOM_8X16_PHY) += phy-qcom-8x16-usb.o obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o obj-$(CONFIG_USB_RCAR_PHY) += phy-rcar-usb.o diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index deee68eafb72..ec6ecd03269c 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -218,11 +218,13 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, clk_rate = 0; needs_vcc = of_property_read_bool(node, "vcc-supply"); - nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset"); + nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset", + GPIOD_ASIS); err = PTR_ERR_OR_ZERO(nop->gpiod_reset); if (!err) { nop->gpiod_vbus = devm_gpiod_get_optional(dev, - "vbus-detect"); + "vbus-detect", + GPIOD_ASIS); err = PTR_ERR_OR_ZERO(nop->gpiod_vbus); } } else if (pdata) { diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index 00c49bb1bd29..c58c3c0dbe35 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/device.h> +#include <linux/gpio/consumer.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/slab.h> @@ -32,6 +33,7 @@ #include <linux/pm_runtime.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/reboot.h> #include <linux/reset.h> #include <linux/usb.h> @@ -1471,6 +1473,14 @@ static int msm_otg_vbus_notifier(struct notifier_block *nb, unsigned long event, else clear_bit(B_SESS_VLD, &motg->inputs); + if (test_bit(B_SESS_VLD, &motg->inputs)) { + /* Switch D+/D- lines to Device connector */ + gpiod_set_value_cansleep(motg->switch_gpio, 0); + } else { + /* Switch D+/D- lines to Hub */ + gpiod_set_value_cansleep(motg->switch_gpio, 1); + } + schedule_work(&motg->sm_work); return NOTIFY_DONE; @@ -1546,6 +1556,11 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) motg->manual_pullup = of_property_read_bool(node, "qcom,manual-pullup"); + motg->switch_gpio = devm_gpiod_get_optional(&pdev->dev, "switch", + GPIOD_OUT_LOW); + if (IS_ERR(motg->switch_gpio)) + return PTR_ERR(motg->switch_gpio); + ext_id = ERR_PTR(-ENODEV); ext_vbus = ERR_PTR(-ENODEV); if (of_property_read_bool(node, "extcon")) { @@ -1561,15 +1576,16 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) } if (!IS_ERR(ext_vbus)) { + motg->vbus.extcon = ext_vbus; motg->vbus.nb.notifier_call = msm_otg_vbus_notifier; - ret = extcon_register_interest(&motg->vbus.conn, ext_vbus->name, - "USB", &motg->vbus.nb); + ret = extcon_register_notifier(ext_vbus, EXTCON_USB, + &motg->vbus.nb); if (ret < 0) { dev_err(&pdev->dev, "register VBUS notifier failed\n"); return ret; } - ret = extcon_get_cable_state(ext_vbus, "USB"); + ret = extcon_get_cable_state_(ext_vbus, EXTCON_USB); if (ret) set_bit(B_SESS_VLD, &motg->inputs); else @@ -1577,15 +1593,16 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) } if (!IS_ERR(ext_id)) { + motg->id.extcon = ext_id; motg->id.nb.notifier_call = msm_otg_id_notifier; - ret = extcon_register_interest(&motg->id.conn, ext_id->name, - "USB-HOST", &motg->id.nb); + ret = extcon_register_notifier(ext_id, EXTCON_USB_HOST, + &motg->id.nb); if (ret < 0) { dev_err(&pdev->dev, "register ID notifier failed\n"); return ret; } - ret = extcon_get_cable_state(ext_id, "USB-HOST"); + ret = extcon_get_cable_state_(ext_id, EXTCON_USB_HOST); if (ret) clear_bit(ID, &motg->inputs); else @@ -1615,6 +1632,19 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) return 0; } +static int msm_otg_reboot_notify(struct notifier_block *this, + unsigned long code, void *unused) +{ + struct msm_otg *motg = container_of(this, struct msm_otg, reboot); + + /* + * Ensure that D+/D- lines are routed to uB connector, so + * we could load bootloader/kernel at next reboot + */ + gpiod_set_value_cansleep(motg->switch_gpio, 0); + return NOTIFY_DONE; +} + static int msm_otg_probe(struct platform_device *pdev) { struct regulator_bulk_data regs[3]; @@ -1779,6 +1809,17 @@ static int msm_otg_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "Can not create mode change file\n"); } + if (test_bit(B_SESS_VLD, &motg->inputs)) { + /* Switch D+/D- lines to Device connector */ + gpiod_set_value_cansleep(motg->switch_gpio, 0); + } else { + /* Switch D+/D- lines to Hub */ + gpiod_set_value_cansleep(motg->switch_gpio, 1); + } + + motg->reboot.notifier_call = msm_otg_reboot_notify; + register_reboot_notifier(&motg->reboot); + pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); @@ -1805,10 +1846,16 @@ static int msm_otg_remove(struct platform_device *pdev) if (phy->otg->host || phy->otg->gadget) return -EBUSY; - if (motg->id.conn.edev) - extcon_unregister_interest(&motg->id.conn); - if (motg->vbus.conn.edev) - extcon_unregister_interest(&motg->vbus.conn); + unregister_reboot_notifier(&motg->reboot); + + /* + * Ensure that D+/D- lines are routed to uB connector, so + * we could load bootloader/kernel at next reboot + */ + gpiod_set_value_cansleep(motg->switch_gpio, 0); + + extcon_unregister_notifier(motg->id.extcon, EXTCON_USB_HOST, &motg->id.nb); + extcon_unregister_notifier(motg->vbus.extcon, EXTCON_USB, &motg->vbus.nb); msm_otg_debugfs_cleanup(); cancel_delayed_work_sync(&motg->chg_work); diff --git a/drivers/usb/phy/phy-omap-otg.c b/drivers/usb/phy/phy-omap-otg.c index 56ee7603034b..1270906ccb95 100644 --- a/drivers/usb/phy/phy-omap-otg.c +++ b/drivers/usb/phy/phy-omap-otg.c @@ -30,8 +30,7 @@ struct otg_device { void __iomem *base; bool id; bool vbus; - struct extcon_specific_cable_nb vbus_dev; - struct extcon_specific_cable_nb id_dev; + struct extcon_dev *extcon; struct notifier_block vbus_nb; struct notifier_block id_nb; }; @@ -106,6 +105,7 @@ static int omap_otg_probe(struct platform_device *pdev) extcon = extcon_get_extcon_dev(config->extcon); if (!extcon) return -EPROBE_DEFER; + otg_dev->extcon = extcon; otg_dev = devm_kzalloc(&pdev->dev, sizeof(*otg_dev), GFP_KERNEL); if (!otg_dev) @@ -118,20 +118,19 @@ static int omap_otg_probe(struct platform_device *pdev) otg_dev->id_nb.notifier_call = omap_otg_id_notifier; otg_dev->vbus_nb.notifier_call = omap_otg_vbus_notifier; - ret = extcon_register_interest(&otg_dev->id_dev, config->extcon, - "USB-HOST", &otg_dev->id_nb); + ret = extcon_register_notifier(extcon, EXTCON_USB_HOST, &otg_dev->id_nb); if (ret) return ret; - ret = extcon_register_interest(&otg_dev->vbus_dev, config->extcon, - "USB", &otg_dev->vbus_nb); + ret = extcon_register_notifier(extcon, EXTCON_USB, &otg_dev->vbus_nb); if (ret) { - extcon_unregister_interest(&otg_dev->id_dev); + extcon_unregister_notifier(extcon, EXTCON_USB_HOST, + &otg_dev->id_nb); return ret; } - otg_dev->id = extcon_get_cable_state(extcon, "USB-HOST"); - otg_dev->vbus = extcon_get_cable_state(extcon, "USB"); + otg_dev->id = extcon_get_cable_state_(extcon, EXTCON_USB_HOST); + otg_dev->vbus = extcon_get_cable_state_(extcon, EXTCON_USB); omap_otg_set_mode(otg_dev); rev = readl(otg_dev->base); @@ -147,9 +146,10 @@ static int omap_otg_probe(struct platform_device *pdev) static int omap_otg_remove(struct platform_device *pdev) { struct otg_device *otg_dev = platform_get_drvdata(pdev); + struct extcon_dev *edev = otg_dev->extcon; - extcon_unregister_interest(&otg_dev->id_dev); - extcon_unregister_interest(&otg_dev->vbus_dev); + extcon_unregister_notifier(edev, EXTCON_USB_HOST,&otg_dev->id_nb); + extcon_unregister_notifier(edev, EXTCON_USB, &otg_dev->vbus_nb); return 0; } diff --git a/drivers/usb/phy/phy-qcom-8x16-usb.c b/drivers/usb/phy/phy-qcom-8x16-usb.c new file mode 100644 index 000000000000..5d357a94599e --- /dev/null +++ b/drivers/usb/phy/phy-qcom-8x16-usb.c @@ -0,0 +1,436 @@ +/* + * Copyright (c) 2015, Linaro Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/extcon.h> +#include <linux/gpio/consumer.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/reboot.h> +#include <linux/regulator/consumer.h> +#include <linux/reset.h> +#include <linux/slab.h> +#include <linux/usb.h> +#include <linux/usb/ulpi.h> + +#define HSPHY_AHBBURST 0x0090 +#define HSPHY_AHBMODE 0x0098 +#define HSPHY_GENCONFIG 0x009c +#define HSPHY_GENCONFIG_2 0x00a0 + +#define HSPHY_USBCMD 0x0140 +#define HSPHY_ULPI_VIEWPORT 0x0170 +#define HSPHY_CTRL 0x0240 + +#define HSPHY_TXFIFO_IDLE_FORCE_DIS BIT(4) +#define HSPHY_SESS_VLD_CTRL_EN BIT(7) +#define HSPHY_POR_ASSERT BIT(0) +#define HSPHY_RETEN BIT(1) + +#define HSPHY_SESS_VLD_CTRL BIT(25) + +#define ULPI_PWR_CLK_MNG_REG 0x88 +#define ULPI_PWR_OTG_COMP_DISABLE BIT(0) + +#define ULPI_MISC_A 0x96 +#define ULPI_MISC_A_VBUSVLDEXTSEL BIT(1) +#define ULPI_MISC_A_VBUSVLDEXT BIT(0) + +#define HSPHY_3P3_MIN 3050000 /* uV */ +#define HSPHY_3P3_MAX 3300000 /* uV */ + +#define HSPHY_1P8_MIN 1800000 /* uV */ +#define HSPHY_1P8_MAX 1800000 /* uV */ + +#define HSPHY_VDD_MIN 5 +#define HSPHY_VDD_MAX 7 + +struct phy_8x16 { + struct usb_phy phy; + void __iomem *regs; + struct clk *core_clk; + struct clk *iface_clk; + struct regulator *v3p3; + struct regulator *v1p8; + struct regulator *vdd; + + struct reset_control *phy_reset; + + struct extcon_specific_cable_nb vbus_cable; + struct notifier_block vbus_notify; + + struct gpio_desc *switch_gpio; + struct notifier_block reboot_notify; +}; + +static int phy_8x16_regulators_enable(struct phy_8x16 *qphy) +{ + int ret; + + ret = regulator_set_voltage(qphy->vdd, HSPHY_VDD_MIN, HSPHY_VDD_MAX); + if (ret) + return ret; + + ret = regulator_enable(qphy->vdd); + if (ret) + return ret; + + ret = regulator_set_voltage(qphy->v3p3, HSPHY_3P3_MIN, HSPHY_3P3_MAX); + if (ret) + goto off_vdd; + + ret = regulator_enable(qphy->v3p3); + if (ret) + goto off_vdd; + + ret = regulator_set_voltage(qphy->v1p8, HSPHY_1P8_MIN, HSPHY_1P8_MAX); + if (ret) + goto off_3p3; + + ret = regulator_enable(qphy->v1p8); + if (ret) + goto off_3p3; + + return 0; + +off_3p3: + regulator_disable(qphy->v3p3); +off_vdd: + regulator_disable(qphy->vdd); + + return ret; +} + +static void phy_8x16_regulators_disable(struct phy_8x16 *qphy) +{ + regulator_disable(qphy->v1p8); + regulator_disable(qphy->v3p3); + regulator_disable(qphy->vdd); +} + +static int phy_8x16_notify_connect(struct usb_phy *phy, + enum usb_device_speed speed) +{ + struct phy_8x16 *qphy = container_of(phy, struct phy_8x16, phy); + u32 val; + + val = ULPI_MISC_A_VBUSVLDEXTSEL | ULPI_MISC_A_VBUSVLDEXT; + usb_phy_io_write(&qphy->phy, val, ULPI_SET(ULPI_MISC_A)); + + val = readl(qphy->regs + HSPHY_USBCMD); + val |= HSPHY_SESS_VLD_CTRL; + writel(val, qphy->regs + HSPHY_USBCMD); + + return 0; +} + +static int phy_8x16_notify_disconnect(struct usb_phy *phy, + enum usb_device_speed speed) +{ + struct phy_8x16 *qphy = container_of(phy, struct phy_8x16, phy); + u32 val; + + val = ULPI_MISC_A_VBUSVLDEXT | ULPI_MISC_A_VBUSVLDEXTSEL; + usb_phy_io_write(&qphy->phy, val, ULPI_CLR(ULPI_MISC_A)); + + val = readl(qphy->regs + HSPHY_USBCMD); + val &= ~HSPHY_SESS_VLD_CTRL; + writel(val, qphy->regs + HSPHY_USBCMD); + + return 0; +} + +static int phy_8x16_vbus_on(struct phy_8x16 *qphy) +{ + phy_8x16_notify_connect(&qphy->phy, USB_SPEED_UNKNOWN); + + /* Switch D+/D- lines to Device connector */ + gpiod_set_value_cansleep(qphy->switch_gpio, 0); + + return 0; +} + +static int phy_8x16_vbus_off(struct phy_8x16 *qphy) +{ + phy_8x16_notify_disconnect(&qphy->phy, USB_SPEED_UNKNOWN); + + /* Switch D+/D- lines to USB HUB */ + gpiod_set_value_cansleep(qphy->switch_gpio, 1); + + return 0; +} + +static int phy_8x16_vbus_notify(struct notifier_block *nb, unsigned long event, + void *ptr) +{ + struct phy_8x16 *qphy = container_of(nb, struct phy_8x16, vbus_notify); + + if (event) + phy_8x16_vbus_on(qphy); + else + phy_8x16_vbus_off(qphy); + + return NOTIFY_DONE; +} + +static int phy_8x16_init(struct usb_phy *phy) +{ + struct phy_8x16 *qphy = container_of(phy, struct phy_8x16, phy); + u32 val, init[] = {0x44, 0x6B, 0x24, 0x13}; + u32 addr = ULPI_EXT_VENDOR_SPECIFIC; + int idx, state; + + for (idx = 0; idx < ARRAY_SIZE(init); idx++) + usb_phy_io_write(phy, init[idx], addr + idx); + + reset_control_reset(qphy->phy_reset); + + /* Assert USB HSPHY_POR */ + val = readl(qphy->regs + HSPHY_CTRL); + val |= HSPHY_POR_ASSERT; + writel(val, qphy->regs + HSPHY_CTRL); + + /* + * wait for minimum 10 microseconds as suggested in HPG. + * Use a slightly larger value since the exact value didn't + * work 100% of the time. + */ + usleep_range(12, 15); + + /* Deassert USB HSPHY_POR */ + val = readl(qphy->regs + HSPHY_CTRL); + val &= ~HSPHY_POR_ASSERT; + writel(val, qphy->regs + HSPHY_CTRL); + + usleep_range(10, 15); + + writel(0x00, qphy->regs + HSPHY_AHBBURST); + writel(0x08, qphy->regs + HSPHY_AHBMODE); + + /* workaround for rx buffer collision issue */ + val = readl(qphy->regs + HSPHY_GENCONFIG); + val &= ~HSPHY_TXFIFO_IDLE_FORCE_DIS; + writel(val, qphy->regs + HSPHY_GENCONFIG); + + val = readl(qphy->regs + HSPHY_GENCONFIG_2); + val |= HSPHY_SESS_VLD_CTRL_EN; + writel(val, qphy->regs + HSPHY_GENCONFIG_2); + + val = ULPI_PWR_OTG_COMP_DISABLE; + usb_phy_io_write(phy, val, ULPI_SET(ULPI_PWR_CLK_MNG_REG)); + + state = extcon_get_cable_state(qphy->vbus_cable.edev, "USB"); + if (state) + phy_8x16_vbus_on(qphy); + else + phy_8x16_vbus_off(qphy); + + val = usb_phy_io_read(&qphy->phy, ULPI_FUNC_CTRL); + val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; + val |= ULPI_FUNC_CTRL_OPMODE_NORMAL; + usb_phy_io_write(&qphy->phy, val, ULPI_FUNC_CTRL); + + return 0; +} + +static void phy_8x16_shutdown(struct usb_phy *phy) +{ + u32 val; + + /* Put the controller in non-driving mode */ + val = usb_phy_io_read(phy, ULPI_FUNC_CTRL); + val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; + val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; + usb_phy_io_write(phy, val, ULPI_FUNC_CTRL); +} + +static int phy_8x16_read_devicetree(struct phy_8x16 *qphy) +{ + struct regulator_bulk_data regs[3]; + struct device *dev = qphy->phy.dev; + int ret; + + qphy->core_clk = devm_clk_get(dev, "core"); + if (IS_ERR(qphy->core_clk)) + return PTR_ERR(qphy->core_clk); + + qphy->iface_clk = devm_clk_get(dev, "iface"); + if (IS_ERR(qphy->iface_clk)) + return PTR_ERR(qphy->iface_clk); + + regs[0].supply = "v3p3"; + regs[1].supply = "v1p8"; + regs[2].supply = "vddcx"; + + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(regs), regs); + if (ret) + return ret; + + qphy->v3p3 = regs[0].consumer; + qphy->v1p8 = regs[1].consumer; + qphy->vdd = regs[2].consumer; + + qphy->phy_reset = devm_reset_control_get(dev, "phy"); + if (IS_ERR(qphy->phy_reset)) + return PTR_ERR(qphy->phy_reset); + + qphy->switch_gpio = devm_gpiod_get_optional(dev, "switch", + GPIOD_OUT_LOW); + if (IS_ERR(qphy->switch_gpio)) + return PTR_ERR(qphy->switch_gpio); + + return 0; +} + +static int phy_8x16_reboot_notify(struct notifier_block *this, + unsigned long code, void *unused) +{ + struct phy_8x16 *qphy; + + qphy = container_of(this, struct phy_8x16, reboot_notify); + + /* + * Ensure that D+/D- lines are routed to uB connector, so + * we could load bootloader/kernel at next reboot_notify + */ + gpiod_set_value_cansleep(qphy->switch_gpio, 0); + return NOTIFY_DONE; +} + +static int phy_8x16_probe(struct platform_device *pdev) +{ + struct extcon_dev *edev; + struct phy_8x16 *qphy; + struct resource *res; + struct usb_phy *phy; + int ret; + + qphy = devm_kzalloc(&pdev->dev, sizeof(*qphy), GFP_KERNEL); + if (!qphy) + return -ENOMEM; + + platform_set_drvdata(pdev, qphy); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; + + qphy->regs = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!qphy->regs) + return -ENOMEM; + + phy = &qphy->phy; + phy->dev = &pdev->dev; + phy->label = dev_name(&pdev->dev); + phy->init = phy_8x16_init; + phy->shutdown = phy_8x16_shutdown; + phy->notify_connect = phy_8x16_notify_connect; + phy->notify_disconnect = phy_8x16_notify_disconnect; + phy->io_priv = qphy->regs + HSPHY_ULPI_VIEWPORT; + phy->io_ops = &ulpi_viewport_access_ops; + phy->type = USB_PHY_TYPE_USB2; + + ret = phy_8x16_read_devicetree(qphy); + if (ret < 0) + return ret; + + edev = extcon_get_edev_by_phandle(phy->dev, 0); + if (IS_ERR(edev)) + return PTR_ERR(edev); + + ret = clk_set_rate(qphy->core_clk, INT_MAX); + if (ret < 0) + dev_dbg(phy->dev, "Can't boost core clock\n"); + + ret = clk_prepare_enable(qphy->core_clk); + if (ret < 0) + return ret; + + ret = clk_prepare_enable(qphy->iface_clk); + if (ret < 0) + goto off_core; + + ret = phy_8x16_regulators_enable(qphy); + if (0 && ret) + goto off_clks; + + qphy->vbus_notify.notifier_call = phy_8x16_vbus_notify; + ret = extcon_register_interest(&qphy->vbus_cable, edev->name, + "USB", &qphy->vbus_notify); + if (ret < 0) + goto off_power; + + ret = usb_add_phy_dev(&qphy->phy); + if (ret) + goto off_extcon; + + qphy->reboot_notify.notifier_call = phy_8x16_reboot_notify; + register_reboot_notifier(&qphy->reboot_notify); + + return 0; + +off_extcon: + extcon_unregister_interest(&qphy->vbus_cable); +off_power: + phy_8x16_regulators_disable(qphy); +off_clks: + clk_disable_unprepare(qphy->iface_clk); +off_core: + clk_disable_unprepare(qphy->core_clk); + return ret; +} + +static int phy_8x16_remove(struct platform_device *pdev) +{ + struct phy_8x16 *qphy = platform_get_drvdata(pdev); + + unregister_reboot_notifier(&qphy->reboot_notify); + extcon_unregister_interest(&qphy->vbus_cable); + + /* + * Ensure that D+/D- lines are routed to uB connector, so + * we could load bootloader/kernel at next reboot_notify + */ + gpiod_set_value_cansleep(qphy->switch_gpio, 0); + + usb_remove_phy(&qphy->phy); + + clk_disable_unprepare(qphy->iface_clk); + clk_disable_unprepare(qphy->core_clk); + phy_8x16_regulators_disable(qphy); + return 0; +} + +static const struct of_device_id phy_8x16_dt_match[] = { + { .compatible = "qcom,usb-8x16-phy" }, + { } +}; +MODULE_DEVICE_TABLE(of, phy_8x16_dt_match); + +static struct platform_driver phy_8x16_driver = { + .probe = phy_8x16_probe, + .remove = phy_8x16_remove, + .driver = { + .name = "phy-qcom-8x16-usb", + .of_match_table = phy_8x16_dt_match, + }, +}; +module_platform_driver(phy_8x16_driver); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Qualcomm APQ8016/MSM8916 chipsets USB transceiver driver"); diff --git a/drivers/usb/phy/phy-tahvo.c b/drivers/usb/phy/phy-tahvo.c index b40d6a87d694..ab5d364f6e8c 100644 --- a/drivers/usb/phy/phy-tahvo.c +++ b/drivers/usb/phy/phy-tahvo.c @@ -57,7 +57,7 @@ struct tahvo_usb { struct clk *ick; int irq; int tahvo_mode; - struct extcon_dev extcon; + struct extcon_dev *extcon; }; static const unsigned int tahvo_cable[] = { @@ -121,7 +121,7 @@ static void check_vbus_state(struct tahvo_usb *tu) prev_state = tu->vbus_state; tu->vbus_state = reg & TAHVO_STAT_VBUS; if (prev_state != tu->vbus_state) { - extcon_set_cable_state(&tu->extcon, "USB", tu->vbus_state); + extcon_set_cable_state_(tu->extcon, EXTCON_USB, tu->vbus_state); sysfs_notify(&tu->pt_dev->dev.kobj, NULL, "vbus_state"); } } @@ -130,7 +130,7 @@ static void tahvo_usb_become_host(struct tahvo_usb *tu) { struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent); - extcon_set_cable_state(&tu->extcon, "USB-HOST", true); + extcon_set_cable_state_(tu->extcon, EXTCON_USB_HOST, true); /* Power up the transceiver in USB host mode */ retu_write(rdev, TAHVO_REG_USBR, USBR_REGOUT | USBR_NSUSPEND | @@ -149,7 +149,7 @@ static void tahvo_usb_become_peripheral(struct tahvo_usb *tu) { struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent); - extcon_set_cable_state(&tu->extcon, "USB-HOST", false); + extcon_set_cable_state_(tu->extcon, EXTCON_USB_HOST, false); /* Power up transceiver and set it in USB peripheral mode */ retu_write(rdev, TAHVO_REG_USBR, USBR_SLAVE_CONTROL | USBR_REGOUT | @@ -365,11 +365,13 @@ static int tahvo_usb_probe(struct platform_device *pdev) */ tu->vbus_state = retu_read(rdev, TAHVO_REG_IDSR) & TAHVO_STAT_VBUS; - tu->extcon.name = DRIVER_NAME; - tu->extcon.supported_cable = tahvo_cable; - tu->extcon.dev.parent = &pdev->dev; + tu->extcon = devm_extcon_dev_allocate(&pdev->dev, tahvo_cable); + if (IS_ERR(tu->extcon)) { + dev_err(&pdev->dev, "failed to allocate memory for extcon\n"); + return -ENOMEM; + } - ret = extcon_dev_register(&tu->extcon); + ret = devm_extcon_dev_register(&pdev->dev, tu->extcon); if (ret) { dev_err(&pdev->dev, "could not register extcon device: %d\n", ret); @@ -377,9 +379,9 @@ static int tahvo_usb_probe(struct platform_device *pdev) } /* Set the initial cable state. */ - extcon_set_cable_state(&tu->extcon, "USB-HOST", + extcon_set_cable_state_(tu->extcon, EXTCON_USB_HOST, tu->tahvo_mode == TAHVO_MODE_HOST); - extcon_set_cable_state(&tu->extcon, "USB", tu->vbus_state); + extcon_set_cable_state_(tu->extcon, EXTCON_USB, tu->vbus_state); /* Create OTG interface */ tahvo_usb_power_off(tu); @@ -396,7 +398,7 @@ static int tahvo_usb_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "cannot register USB transceiver: %d\n", ret); - goto err_extcon_unreg; + goto err_disable_clk; } dev_set_drvdata(&pdev->dev, tu); @@ -424,8 +426,6 @@ err_free_irq: free_irq(tu->irq, tu); err_remove_phy: usb_remove_phy(&tu->phy); -err_extcon_unreg: - extcon_dev_unregister(&tu->extcon); err_disable_clk: if (!IS_ERR(tu->ick)) clk_disable(tu->ick); @@ -440,7 +440,6 @@ static int tahvo_usb_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &tahvo_attr_group); free_irq(tu->irq, tu); usb_remove_phy(&tu->phy); - extcon_dev_unregister(&tu->extcon); if (!IS_ERR(tu->ick)) clk_disable(tu->ick); diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index e8bf40808b39..7b98e1d9194c 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -388,7 +388,7 @@ static void usbhsc_hotplug(struct usbhs_priv *priv) if (enable && !mod) { if (priv->edev) { - cable = extcon_get_cable_state(priv->edev, "USB-HOST"); + cable = extcon_get_cable_state_(priv->edev, EXTCON_USB_HOST); if ((cable > 0 && id != USBHS_HOST) || (!cable && id != USBHS_GADGET)) { dev_info(&pdev->dev, diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 54f916fa238d..de4f97d84a82 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -52,7 +52,7 @@ struct usbhsg_gpriv { struct usb_gadget_driver *driver; struct usb_phy *transceiver; - bool vbus_active; + bool vbus_active; u32 status; #define USBHSG_STATUS_STARTED (1 << 0) @@ -1103,12 +1103,18 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) if (usbhsg_is_dcp(uep)) { gpriv->gadget.ep0 = &uep->ep; usb_ep_set_maxpacket_limit(&uep->ep, 64); + uep->ep.caps.type_control = true; } /* init normal pipe */ else { usb_ep_set_maxpacket_limit(&uep->ep, 512); + uep->ep.caps.type_iso = true; + uep->ep.caps.type_bulk = true; + uep->ep.caps.type_int = true; list_add_tail(&uep->ep.ep_list, &gpriv->gadget.ep_list); } + uep->ep.caps.dir_in = true; + uep->ep.caps.dir_out = true; } ret = usb_add_gadget_udc(dev, &gpriv->gadget); diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index ab94f78c4dd1..e10cefc721ad 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -34,6 +34,7 @@ struct ci_hdrc_platform_data { #define CI_HDRC_CONTROLLER_STOPPED_EVENT 1 void (*notify_event) (struct ci_hdrc *ci, unsigned event); struct regulator *reg_vbus; + struct usb_otg_caps ci_otg_caps; bool tpl_support; }; diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 2511469a9904..1074b8921a5d 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -228,6 +228,8 @@ struct usb_function { struct list_head list; DECLARE_BITMAP(endpoints, 32); const struct usb_function_instance *fi; + + unsigned int bind_deactivated:1; }; int usb_add_function(struct usb_configuration *, struct usb_function *); diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 4f3dfb7d0654..c14a69b36d27 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -141,10 +141,49 @@ struct usb_ep_ops { }; /** + * struct usb_ep_caps - endpoint capabilities description + * @type_control:Endpoint supports control type (reserved for ep0). + * @type_iso:Endpoint supports isochronous transfers. + * @type_bulk:Endpoint supports bulk transfers. + * @type_int:Endpoint supports interrupt transfers. + * @dir_in:Endpoint supports IN direction. + * @dir_out:Endpoint supports OUT direction. + */ +struct usb_ep_caps { + unsigned type_control:1; + unsigned type_iso:1; + unsigned type_bulk:1; + unsigned type_int:1; + unsigned dir_in:1; + unsigned dir_out:1; +}; + +#define USB_EP_CAPS_TYPE_CONTROL 0x01 +#define USB_EP_CAPS_TYPE_ISO 0x02 +#define USB_EP_CAPS_TYPE_BULK 0x04 +#define USB_EP_CAPS_TYPE_INT 0x08 +#define USB_EP_CAPS_TYPE_ALL \ + (USB_EP_CAPS_TYPE_ISO | USB_EP_CAPS_TYPE_BULK | USB_EP_CAPS_TYPE_INT) +#define USB_EP_CAPS_DIR_IN 0x01 +#define USB_EP_CAPS_DIR_OUT 0x02 +#define USB_EP_CAPS_DIR_ALL (USB_EP_CAPS_DIR_IN | USB_EP_CAPS_DIR_OUT) + +#define USB_EP_CAPS(_type, _dir) \ + { \ + .type_control = !!(_type & USB_EP_CAPS_TYPE_CONTROL), \ + .type_iso = !!(_type & USB_EP_CAPS_TYPE_ISO), \ + .type_bulk = !!(_type & USB_EP_CAPS_TYPE_BULK), \ + .type_int = !!(_type & USB_EP_CAPS_TYPE_INT), \ + .dir_in = !!(_dir & USB_EP_CAPS_DIR_IN), \ + .dir_out = !!(_dir & USB_EP_CAPS_DIR_OUT), \ + } + +/** * struct usb_ep - device side representation of USB endpoint * @name:identifier for the endpoint, such as "ep-a" or "ep9in-bulk" * @ops: Function pointers used to access hardware-specific operations. * @ep_list:the gadget's ep_list holds all of its endpoints + * @caps:The structure describing types and directions supported by endoint. * @maxpacket:The maximum packet size used on this endpoint. The initial * value can sometimes be reduced (hardware allowing), according to * the endpoint descriptor used to configure the endpoint. @@ -167,12 +206,15 @@ struct usb_ep_ops { * gadget->ep_list. the control endpoint (gadget->ep0) is not in that list, * and is accessed only in response to a driver setup() callback. */ + struct usb_ep { void *driver_data; const char *name; const struct usb_ep_ops *ops; struct list_head ep_list; + struct usb_ep_caps caps; + bool claimed; unsigned maxpacket:16; unsigned maxpacket_limit:16; unsigned max_streams:16; @@ -492,6 +534,9 @@ struct usb_gadget_ops { int (*udc_start)(struct usb_gadget *, struct usb_gadget_driver *); int (*udc_stop)(struct usb_gadget *); + struct usb_ep *(*match_ep)(struct usb_gadget *, + struct usb_endpoint_descriptor *, + struct usb_ss_ep_comp_descriptor *); }; /** @@ -511,6 +556,7 @@ struct usb_gadget_ops { * @dev: Driver model state for this abstract device. * @out_epnum: last used out ep number * @in_epnum: last used in ep number + * @otg_caps: OTG capabilities of this gadget. * @sg_supported: true if we can handle scatter-gather * @is_otg: True if the USB device port uses a Mini-AB jack, so that the * gadget driver must provide a USB OTG descriptor. @@ -526,6 +572,9 @@ struct usb_gadget_ops { * @quirk_ep_out_aligned_size: epout requires buffer size to be aligned to * MaxPacketSize. * @is_selfpowered: if the gadget is self-powered. + * @deactivated: True if gadget is deactivated - in deactivated state it cannot + * be connected. + * @connected: True if gadget is connected. * * Gadgets have a mostly-portable "gadget driver" implementing device * functions, handling all usb configurations and interfaces. Gadget @@ -559,6 +608,7 @@ struct usb_gadget { struct device dev; unsigned out_epnum; unsigned in_epnum; + struct usb_otg_caps *otg_caps; unsigned sg_supported:1; unsigned is_otg:1; @@ -567,7 +617,12 @@ struct usb_gadget { unsigned a_hnp_support:1; unsigned a_alt_hnp_support:1; unsigned quirk_ep_out_aligned_size:1; + unsigned quirk_altset_not_supp:1; + unsigned quirk_stall_not_supp:1; + unsigned quirk_zlp_not_supp:1; unsigned is_selfpowered:1; + unsigned deactivated:1; + unsigned connected:1; }; #define work_to_gadget(w) (container_of((w), struct usb_gadget, work)) @@ -584,7 +639,6 @@ static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev) #define gadget_for_each_ep(tmp, gadget) \ list_for_each_entry(tmp, &(gadget)->ep_list, ep_list) - /** * usb_ep_align_maybe - returns @len aligned to ep's maxpacketsize if gadget * requires quirk_ep_out_aligned_size, otherwise reguens len. @@ -603,6 +657,34 @@ usb_ep_align_maybe(struct usb_gadget *g, struct usb_ep *ep, size_t len) } /** + * gadget_is_altset_supported - return true iff the hardware supports + * altsettings + * @g: controller to check for quirk + */ +static inline int gadget_is_altset_supported(struct usb_gadget *g) +{ + return !g->quirk_altset_not_supp; +} + +/** + * gadget_is_stall_supported - return true iff the hardware supports stalling + * @g: controller to check for quirk + */ +static inline int gadget_is_stall_supported(struct usb_gadget *g) +{ + return !g->quirk_stall_not_supp; +} + +/** + * gadget_is_zlp_supported - return true iff the hardware supports zlp + * @g: controller to check for quirk + */ +static inline int gadget_is_zlp_supported(struct usb_gadget *g) +{ + return !g->quirk_zlp_not_supp; +} + +/** * gadget_is_dualspeed - return true iff the hardware handles high speed * @g: controller that might support both high and full speeds */ @@ -771,9 +853,24 @@ static inline int usb_gadget_vbus_disconnect(struct usb_gadget *gadget) */ static inline int usb_gadget_connect(struct usb_gadget *gadget) { + int ret; + if (!gadget->ops->pullup) return -EOPNOTSUPP; - return gadget->ops->pullup(gadget, 1); + + if (gadget->deactivated) { + /* + * If gadget is deactivated we only save new state. + * Gadget will be connected automatically after activation. + */ + gadget->connected = true; + return 0; + } + + ret = gadget->ops->pullup(gadget, 1); + if (!ret) + gadget->connected = 1; + return ret; } /** @@ -784,20 +881,88 @@ static inline int usb_gadget_connect(struct usb_gadget *gadget) * as a disconnect (when a VBUS session is active). Not all systems * support software pullup controls. * + * Returns zero on success, else negative errno. + */ +static inline int usb_gadget_disconnect(struct usb_gadget *gadget) +{ + int ret; + + if (!gadget->ops->pullup) + return -EOPNOTSUPP; + + if (gadget->deactivated) { + /* + * If gadget is deactivated we only save new state. + * Gadget will stay disconnected after activation. + */ + gadget->connected = false; + return 0; + } + + ret = gadget->ops->pullup(gadget, 0); + if (!ret) + gadget->connected = 0; + return ret; +} + +/** + * usb_gadget_deactivate - deactivate function which is not ready to work + * @gadget: the peripheral being deactivated + * * This routine may be used during the gadget driver bind() call to prevent * the peripheral from ever being visible to the USB host, unless later - * usb_gadget_connect() is called. For example, user mode components may + * usb_gadget_activate() is called. For example, user mode components may * need to be activated before the system can talk to hosts. * * Returns zero on success, else negative errno. */ -static inline int usb_gadget_disconnect(struct usb_gadget *gadget) +static inline int usb_gadget_deactivate(struct usb_gadget *gadget) { - if (!gadget->ops->pullup) - return -EOPNOTSUPP; - return gadget->ops->pullup(gadget, 0); + int ret; + + if (gadget->deactivated) + return 0; + + if (gadget->connected) { + ret = usb_gadget_disconnect(gadget); + if (ret) + return ret; + /* + * If gadget was being connected before deactivation, we want + * to reconnect it in usb_gadget_activate(). + */ + gadget->connected = true; + } + gadget->deactivated = true; + + return 0; } +/** + * usb_gadget_activate - activate function which is not ready to work + * @gadget: the peripheral being activated + * + * This routine activates gadget which was previously deactivated with + * usb_gadget_deactivate() call. It calls usb_gadget_connect() if needed. + * + * Returns zero on success, else negative errno. + */ +static inline int usb_gadget_activate(struct usb_gadget *gadget) +{ + if (!gadget->deactivated) + return 0; + + gadget->deactivated = false; + + /* + * If gadget has been connected before deactivation, or became connected + * while it was being deactivated, we call usb_gadget_connect(). + */ + if (gadget->connected) + return usb_gadget_connect(gadget); + + return 0; +} /*-------------------------------------------------------------------------*/ @@ -1002,6 +1167,10 @@ int usb_assign_descriptors(struct usb_function *f, struct usb_descriptor_header **ss); void usb_free_all_descriptors(struct usb_function *f); +struct usb_descriptor_header *usb_otg_descriptor_alloc( + struct usb_gadget *gadget); +int usb_otg_descriptor_init(struct usb_gadget *gadget, + struct usb_descriptor_header *otg_desc); /*-------------------------------------------------------------------------*/ /* utility to simplify map/unmap of usb_requests to/from DMA */ @@ -1034,6 +1203,21 @@ extern void usb_gadget_giveback_request(struct usb_ep *ep, /*-------------------------------------------------------------------------*/ +/* utility to find endpoint by name */ + +extern struct usb_ep *gadget_find_ep_by_name(struct usb_gadget *g, + const char *name); + +/*-------------------------------------------------------------------------*/ + +/* utility to check if endpoint caps match descriptor needs */ + +extern int usb_gadget_ep_match_desc(struct usb_gadget *gadget, + struct usb_ep *ep, struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *ep_comp); + +/*-------------------------------------------------------------------------*/ + /* utility to update vbus status for udc core, it may be scheduled */ extern void usb_udc_vbus_handler(struct usb_gadget *gadget, bool status); diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h index e55a1504266e..8c8f6854c993 100644 --- a/include/linux/usb/msm_hsusb.h +++ b/include/linux/usb/msm_hsusb.h @@ -128,7 +128,7 @@ struct msm_otg_platform_data { */ struct msm_usb_cable { struct notifier_block nb; - struct extcon_specific_cable_nb conn; + struct extcon_dev *extcon; }; /** @@ -155,6 +155,10 @@ struct msm_usb_cable { * starting controller using usbcmd run/stop bit. * @vbus: VBUS signal state trakining, using extcon framework * @id: ID signal state trakining, using extcon framework + * @switch_gpio: Descriptor for GPIO used to control external Dual + * SPDT USB Switch. + * @reboot: Used to inform the driver to route USB D+/D- line to Device + * connector */ struct msm_otg { struct usb_phy phy; @@ -188,6 +192,9 @@ struct msm_otg { struct msm_usb_cable vbus; struct msm_usb_cable id; + + struct gpio_desc *switch_gpio; + struct notifier_block reboot; }; #endif diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h index cfe0528cdbb1..8c5a818ec244 100644 --- a/include/linux/usb/of.h +++ b/include/linux/usb/of.h @@ -15,6 +15,8 @@ enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np); enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np); bool of_usb_host_tpl_support(struct device_node *np); +int of_usb_update_otg_caps(struct device_node *np, + struct usb_otg_caps *otg_caps); #else static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) { @@ -30,6 +32,11 @@ static inline bool of_usb_host_tpl_support(struct device_node *np) { return false; } +static inline int of_usb_update_otg_caps(struct device_node *np, + struct usb_otg_caps *otg_caps) +{ + return 0; +} #endif #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT) diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index 52661c5da690..bd1dcf816100 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -41,6 +41,21 @@ struct usb_otg { }; +/** + * struct usb_otg_caps - describes the otg capabilities of the device + * @otg_rev: The OTG revision number the device is compliant with, it's + * in binary-coded decimal (i.e. 2.0 is 0200H). + * @hnp_support: Indicates if the device supports HNP. + * @srp_support: Indicates if the device supports SRP. + * @adp_support: Indicates if the device supports ADP. + */ +struct usb_otg_caps { + u16 otg_rev; + bool hnp_support; + bool srp_support; + bool adp_support; +}; + extern const char *usb_otg_state_string(enum usb_otg_state state); /* Context: can sleep */ diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index aa33fd1b2d4f..f7adc6e01f9e 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -674,9 +674,21 @@ struct usb_otg_descriptor { __u8 bmAttributes; /* support for HNP, SRP, etc */ } __attribute__ ((packed)); +/* USB_DT_OTG (from OTG 2.0 supplement) */ +struct usb_otg20_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bmAttributes; /* support for HNP, SRP and ADP, etc */ + __le16 bcdOTG; /* OTG and EH supplement release number + * in binary-coded decimal(i.e. 2.0 is 0200H) + */ +} __attribute__ ((packed)); + /* from usb_otg_descriptor.bmAttributes */ #define USB_OTG_SRP (1 << 0) #define USB_OTG_HNP (1 << 1) /* swap host/device roles */ +#define USB_OTG_ADP (1 << 2) /* support ADP */ /*-------------------------------------------------------------------------*/ |