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authorGreg Kroah-Hartman <gregkh@suse.de>2010-12-15 09:29:38 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2010-12-15 09:29:38 -0800
commit5cdc5bd8b2b1190cb54548c03194b154b4892e2a (patch)
tree79e9f66825a1155605a30e063ba59297a4ad0618 /drivers/usb/musb/musb_core.c
parent6c34d2888221ca3df81e29f598873b4fb6cf838d (diff)
parente4a2b3565fc7ac2d70361a36337be57a59d783da (diff)
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Merge branch 'musb-hw' of git://gitorious.org/usb/usb into musb
* 'musb-hw' of git://gitorious.org/usb/usb: (43 commits) usb: musb: core: kill unneeded #include's DA8xx: assign name to MUSB IRQ resource arm: OMAP4430: musb: Configure musb to OTG mode usb: musb: Adding musb support for OMAP4430 usb: otg: TWL6030: Add twl6030_usb file for compilation mfd: TWL6030: OMAP4: Registering the TWL6030-usb device usb: musb: TWL6030: Selecting TWL6030_USB transceiver usb: otg: Kconfig: Add Kconfig option for TWL6030 transceiver. usb: otg: Adding twl6030-usb transceiver driver for OMAP4430 mfd: TWL6030: USBOTG VBUS event generation on usb: musb: add support for ux500 platform musb: am35x: fix compile error due to control apis arm: omap4: enable usb on 4430sdp usb: musb: drop board_set_vbus usb: musb: drop musb_platform_suspend/resume usb: musb: blackfin: usb dev_pm_ops structure usb: musb: am35x: usb dev_pm_ops structure usb: musb: omap2430: use dev_pm_ops structure usb: musb: omap2430: drop the nops usb: musb: mark musb_save/restore_context static ...
Diffstat (limited to 'drivers/usb/musb/musb_core.c')
-rw-r--r--drivers/usb/musb/musb_core.c191
1 files changed, 70 insertions, 121 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index a5ceddfe57d6..7816c0180430 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -99,19 +99,8 @@
#include <linux/platform_device.h>
#include <linux/io.h>
-#ifdef CONFIG_ARM
-#include <mach/hardware.h>
-#include <mach/memory.h>
-#include <asm/mach-types.h>
-#endif
-
#include "musb_core.h"
-
-#ifdef CONFIG_ARCH_DAVINCI
-#include "davinci.h"
-#endif
-
#define TA_WAIT_BCON(m) max_t(int, (m)->a_wait_bcon, OTG_TIME_A_WAIT_BCON)
@@ -126,7 +115,7 @@ MODULE_PARM_DESC(debug, "Debug message level. Default = 0");
#define DRIVER_INFO DRIVER_DESC ", v" MUSB_VERSION
-#define MUSB_DRIVER_NAME "musb_hdrc"
+#define MUSB_DRIVER_NAME "musb-hdrc"
const char musb_driver_name[] = MUSB_DRIVER_NAME;
MODULE_DESCRIPTION(DRIVER_INFO);
@@ -230,7 +219,7 @@ static struct otg_io_access_ops musb_ulpi_access = {
/*-------------------------------------------------------------------------*/
-#if !defined(CONFIG_USB_TUSB6010) && !defined(CONFIG_BLACKFIN)
+#if !defined(CONFIG_USB_MUSB_TUSB6010) && !defined(CONFIG_USB_MUSB_BLACKFIN)
/*
* Load an endpoint's FIFO
@@ -390,7 +379,7 @@ void musb_otg_timer_func(unsigned long data)
case OTG_STATE_A_SUSPEND:
case OTG_STATE_A_WAIT_BCON:
DBG(1, "HNP: %s timeout\n", otg_state_string(musb));
- musb_set_vbus(musb, 0);
+ musb_platform_set_vbus(musb, 0);
musb->xceiv->state = OTG_STATE_A_WAIT_VFALL;
break;
default:
@@ -570,7 +559,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
musb->ep0_stage = MUSB_EP0_START;
musb->xceiv->state = OTG_STATE_A_IDLE;
MUSB_HST_MODE(musb);
- musb_set_vbus(musb, 1);
+ musb_platform_set_vbus(musb, 1);
handled = IRQ_HANDLED;
}
@@ -641,7 +630,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
/* go through A_WAIT_VFALL then start a new session */
if (!ignore)
- musb_set_vbus(musb, 0);
+ musb_platform_set_vbus(musb, 0);
handled = IRQ_HANDLED;
}
@@ -1048,8 +1037,6 @@ static void musb_shutdown(struct platform_device *pdev)
spin_lock_irqsave(&musb->lock, flags);
musb_platform_disable(musb);
musb_generic_disable(musb);
- if (musb->clock)
- clk_put(musb->clock);
spin_unlock_irqrestore(&musb->lock, flags);
/* FIXME power down */
@@ -1068,10 +1055,11 @@ static void musb_shutdown(struct platform_device *pdev)
* We don't currently use dynamic fifo setup capability to do anything
* more than selecting one of a bunch of predefined configurations.
*/
-#if defined(CONFIG_USB_TUSB6010) || \
- defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) \
- || defined(CONFIG_ARCH_OMAP4)
+#if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_OMAP2PLUS) \
+ || defined(CONFIG_USB_MUSB_AM35X)
static ushort __initdata fifo_mode = 4;
+#elif defined(CONFIG_USB_MUSB_UX500)
+static ushort __initdata fifo_mode = 5;
#else
static ushort __initdata fifo_mode = 2;
#endif
@@ -1495,7 +1483,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
struct musb_hw_ep *hw_ep = musb->endpoints + i;
hw_ep->fifo = MUSB_FIFO_OFFSET(i) + mbase;
-#ifdef CONFIG_USB_TUSB6010
+#ifdef CONFIG_USB_MUSB_TUSB6010
hw_ep->fifo_async = musb->async + 0x400 + MUSB_FIFO_OFFSET(i);
hw_ep->fifo_sync = musb->sync + 0x400 + MUSB_FIFO_OFFSET(i);
hw_ep->fifo_sync_va =
@@ -1542,7 +1530,8 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
/*-------------------------------------------------------------------------*/
#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430) || \
- defined(CONFIG_ARCH_OMAP4)
+ defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500) || \
+ defined(CONFIG_ARCH_U5500)
static irqreturn_t generic_interrupt(int irq, void *__hci)
{
@@ -1898,6 +1887,7 @@ allocate_instance(struct device *dev,
}
musb->controller = dev;
+
return musb;
}
@@ -1994,30 +1984,14 @@ bad_config:
spin_lock_init(&musb->lock);
musb->board_mode = plat->mode;
musb->board_set_power = plat->set_power;
- musb->set_clock = plat->set_clock;
musb->min_power = plat->min_power;
-
- /* Clock usage is chip-specific ... functional clock (DaVinci,
- * OMAP2430), or PHY ref (some TUSB6010 boards). All this core
- * code does is make sure a clock handle is available; platform
- * code manages it during start/stop and suspend/resume.
- */
- if (plat->clock) {
- musb->clock = clk_get(dev, plat->clock);
- if (IS_ERR(musb->clock)) {
- status = PTR_ERR(musb->clock);
- musb->clock = NULL;
- goto fail1;
- }
- }
+ musb->ops = plat->platform_ops;
/* The musb_platform_init() call:
* - adjusts musb->mregs and musb->isr if needed,
* - may initialize an integrated tranceiver
* - initializes musb->xceiv, usually by otg_get_transceiver()
- * - activates clocks.
* - stops powering VBUS
- * - assigns musb->board_set_vbus if host mode is enabled
*
* There are various transciever configurations. Blackfin,
* DaVinci, TUSB60x0, and others integrate them. OMAP3 uses
@@ -2027,7 +2001,7 @@ bad_config:
musb->isr = generic_interrupt;
status = musb_platform_init(musb);
if (status < 0)
- goto fail2;
+ goto fail1;
if (!musb->isr) {
status = -ENODEV;
@@ -2177,10 +2151,6 @@ fail3:
device_init_wakeup(dev, 0);
musb_platform_exit(musb);
-fail2:
- if (musb->clock)
- clk_put(musb->clock);
-
fail1:
dev_err(musb->controller,
"musb_init_controller failed with status %d\n", status);
@@ -2263,144 +2233,138 @@ static int __exit musb_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
-static struct musb_context_registers musb_context;
-
-void musb_save_context(struct musb *musb)
+static void musb_save_context(struct musb *musb)
{
int i;
void __iomem *musb_base = musb->mregs;
void __iomem *epio;
if (is_host_enabled(musb)) {
- musb_context.frame = musb_readw(musb_base, MUSB_FRAME);
- musb_context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
- musb_context.busctl = musb_read_ulpi_buscontrol(musb->mregs);
+ musb->context.frame = musb_readw(musb_base, MUSB_FRAME);
+ musb->context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
+ musb->context.busctl = musb_read_ulpi_buscontrol(musb->mregs);
}
- musb_context.power = musb_readb(musb_base, MUSB_POWER);
- musb_context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
- musb_context.intrrxe = musb_readw(musb_base, MUSB_INTRRXE);
- musb_context.intrusbe = musb_readb(musb_base, MUSB_INTRUSBE);
- musb_context.index = musb_readb(musb_base, MUSB_INDEX);
- musb_context.devctl = musb_readb(musb_base, MUSB_DEVCTL);
+ musb->context.power = musb_readb(musb_base, MUSB_POWER);
+ musb->context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
+ musb->context.intrrxe = musb_readw(musb_base, MUSB_INTRRXE);
+ musb->context.intrusbe = musb_readb(musb_base, MUSB_INTRUSBE);
+ musb->context.index = musb_readb(musb_base, MUSB_INDEX);
+ musb->context.devctl = musb_readb(musb_base, MUSB_DEVCTL);
for (i = 0; i < musb->config->num_eps; ++i) {
epio = musb->endpoints[i].regs;
- musb_context.index_regs[i].txmaxp =
+ musb->context.index_regs[i].txmaxp =
musb_readw(epio, MUSB_TXMAXP);
- musb_context.index_regs[i].txcsr =
+ musb->context.index_regs[i].txcsr =
musb_readw(epio, MUSB_TXCSR);
- musb_context.index_regs[i].rxmaxp =
+ musb->context.index_regs[i].rxmaxp =
musb_readw(epio, MUSB_RXMAXP);
- musb_context.index_regs[i].rxcsr =
+ musb->context.index_regs[i].rxcsr =
musb_readw(epio, MUSB_RXCSR);
if (musb->dyn_fifo) {
- musb_context.index_regs[i].txfifoadd =
+ musb->context.index_regs[i].txfifoadd =
musb_read_txfifoadd(musb_base);
- musb_context.index_regs[i].rxfifoadd =
+ musb->context.index_regs[i].rxfifoadd =
musb_read_rxfifoadd(musb_base);
- musb_context.index_regs[i].txfifosz =
+ musb->context.index_regs[i].txfifosz =
musb_read_txfifosz(musb_base);
- musb_context.index_regs[i].rxfifosz =
+ musb->context.index_regs[i].rxfifosz =
musb_read_rxfifosz(musb_base);
}
if (is_host_enabled(musb)) {
- musb_context.index_regs[i].txtype =
+ musb->context.index_regs[i].txtype =
musb_readb(epio, MUSB_TXTYPE);
- musb_context.index_regs[i].txinterval =
+ musb->context.index_regs[i].txinterval =
musb_readb(epio, MUSB_TXINTERVAL);
- musb_context.index_regs[i].rxtype =
+ musb->context.index_regs[i].rxtype =
musb_readb(epio, MUSB_RXTYPE);
- musb_context.index_regs[i].rxinterval =
+ musb->context.index_regs[i].rxinterval =
musb_readb(epio, MUSB_RXINTERVAL);
- musb_context.index_regs[i].txfunaddr =
+ musb->context.index_regs[i].txfunaddr =
musb_read_txfunaddr(musb_base, i);
- musb_context.index_regs[i].txhubaddr =
+ musb->context.index_regs[i].txhubaddr =
musb_read_txhubaddr(musb_base, i);
- musb_context.index_regs[i].txhubport =
+ musb->context.index_regs[i].txhubport =
musb_read_txhubport(musb_base, i);
- musb_context.index_regs[i].rxfunaddr =
+ musb->context.index_regs[i].rxfunaddr =
musb_read_rxfunaddr(musb_base, i);
- musb_context.index_regs[i].rxhubaddr =
+ musb->context.index_regs[i].rxhubaddr =
musb_read_rxhubaddr(musb_base, i);
- musb_context.index_regs[i].rxhubport =
+ musb->context.index_regs[i].rxhubport =
musb_read_rxhubport(musb_base, i);
}
}
-
- musb_platform_save_context(musb, &musb_context);
}
-void musb_restore_context(struct musb *musb)
+static void musb_restore_context(struct musb *musb)
{
int i;
void __iomem *musb_base = musb->mregs;
void __iomem *ep_target_regs;
void __iomem *epio;
- musb_platform_restore_context(musb, &musb_context);
-
if (is_host_enabled(musb)) {
- musb_writew(musb_base, MUSB_FRAME, musb_context.frame);
- musb_writeb(musb_base, MUSB_TESTMODE, musb_context.testmode);
- musb_write_ulpi_buscontrol(musb->mregs, musb_context.busctl);
+ musb_writew(musb_base, MUSB_FRAME, musb->context.frame);
+ musb_writeb(musb_base, MUSB_TESTMODE, musb->context.testmode);
+ musb_write_ulpi_buscontrol(musb->mregs, musb->context.busctl);
}
- musb_writeb(musb_base, MUSB_POWER, musb_context.power);
- musb_writew(musb_base, MUSB_INTRTXE, musb_context.intrtxe);
- musb_writew(musb_base, MUSB_INTRRXE, musb_context.intrrxe);
- musb_writeb(musb_base, MUSB_INTRUSBE, musb_context.intrusbe);
- musb_writeb(musb_base, MUSB_DEVCTL, musb_context.devctl);
+ musb_writeb(musb_base, MUSB_POWER, musb->context.power);
+ musb_writew(musb_base, MUSB_INTRTXE, musb->context.intrtxe);
+ musb_writew(musb_base, MUSB_INTRRXE, musb->context.intrrxe);
+ musb_writeb(musb_base, MUSB_INTRUSBE, musb->context.intrusbe);
+ musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl);
for (i = 0; i < musb->config->num_eps; ++i) {
epio = musb->endpoints[i].regs;
musb_writew(epio, MUSB_TXMAXP,
- musb_context.index_regs[i].txmaxp);
+ musb->context.index_regs[i].txmaxp);
musb_writew(epio, MUSB_TXCSR,
- musb_context.index_regs[i].txcsr);
+ musb->context.index_regs[i].txcsr);
musb_writew(epio, MUSB_RXMAXP,
- musb_context.index_regs[i].rxmaxp);
+ musb->context.index_regs[i].rxmaxp);
musb_writew(epio, MUSB_RXCSR,
- musb_context.index_regs[i].rxcsr);
+ musb->context.index_regs[i].rxcsr);
if (musb->dyn_fifo) {
musb_write_txfifosz(musb_base,
- musb_context.index_regs[i].txfifosz);
+ musb->context.index_regs[i].txfifosz);
musb_write_rxfifosz(musb_base,
- musb_context.index_regs[i].rxfifosz);
+ musb->context.index_regs[i].rxfifosz);
musb_write_txfifoadd(musb_base,
- musb_context.index_regs[i].txfifoadd);
+ musb->context.index_regs[i].txfifoadd);
musb_write_rxfifoadd(musb_base,
- musb_context.index_regs[i].rxfifoadd);
+ musb->context.index_regs[i].rxfifoadd);
}
if (is_host_enabled(musb)) {
musb_writeb(epio, MUSB_TXTYPE,
- musb_context.index_regs[i].txtype);
+ musb->context.index_regs[i].txtype);
musb_writeb(epio, MUSB_TXINTERVAL,
- musb_context.index_regs[i].txinterval);
+ musb->context.index_regs[i].txinterval);
musb_writeb(epio, MUSB_RXTYPE,
- musb_context.index_regs[i].rxtype);
+ musb->context.index_regs[i].rxtype);
musb_writeb(epio, MUSB_RXINTERVAL,
- musb_context.index_regs[i].rxinterval);
+ musb->context.index_regs[i].rxinterval);
musb_write_txfunaddr(musb_base, i,
- musb_context.index_regs[i].txfunaddr);
+ musb->context.index_regs[i].txfunaddr);
musb_write_txhubaddr(musb_base, i,
- musb_context.index_regs[i].txhubaddr);
+ musb->context.index_regs[i].txhubaddr);
musb_write_txhubport(musb_base, i,
- musb_context.index_regs[i].txhubport);
+ musb->context.index_regs[i].txhubport);
ep_target_regs =
musb_read_target_reg_base(i, musb_base);
musb_write_rxfunaddr(ep_target_regs,
- musb_context.index_regs[i].rxfunaddr);
+ musb->context.index_regs[i].rxfunaddr);
musb_write_rxhubaddr(ep_target_regs,
- musb_context.index_regs[i].rxhubaddr);
+ musb->context.index_regs[i].rxhubaddr);
musb_write_rxhubport(ep_target_regs,
- musb_context.index_regs[i].rxhubport);
+ musb->context.index_regs[i].rxhubport);
}
}
}
@@ -2411,9 +2375,6 @@ static int musb_suspend(struct device *dev)
unsigned long flags;
struct musb *musb = dev_to_musb(&pdev->dev);
- if (!musb->clock)
- return 0;
-
spin_lock_irqsave(&musb->lock, flags);
if (is_peripheral_active(musb)) {
@@ -2428,10 +2389,6 @@ static int musb_suspend(struct device *dev)
musb_save_context(musb);
- if (musb->set_clock)
- musb->set_clock(musb->clock, 0);
- else
- clk_disable(musb->clock);
spin_unlock_irqrestore(&musb->lock, flags);
return 0;
}
@@ -2441,14 +2398,6 @@ static int musb_resume_noirq(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct musb *musb = dev_to_musb(&pdev->dev);
- if (!musb->clock)
- return 0;
-
- if (musb->set_clock)
- musb->set_clock(musb->clock, 1);
- else
- clk_enable(musb->clock);
-
musb_restore_context(musb);
/* for static cmos like DaVinci, register values were preserved