diff options
Diffstat (limited to 'drivers/usb/dwc3/core.h')
| -rw-r--r-- | drivers/usb/dwc3/core.h | 105 |
1 files changed, 82 insertions, 23 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index f8af8d44af85..57332e3768e4 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -31,11 +31,14 @@ #include <linux/usb/gadget.h> #include <linux/usb/otg.h> +#include <linux/phy/phy.h> + /* Global constants */ #define DWC3_EP0_BOUNCE_SIZE 512 #define DWC3_ENDPOINTS_NUM 32 #define DWC3_XHCI_RESOURCES_NUM 2 +#define DWC3_SCRATCHBUF_SIZE 4096 /* each buffer is assumed to be 4KiB */ #define DWC3_EVENT_SIZE 4 /* bytes */ #define DWC3_EVENT_MAX_NUM 64 /* 2 events/endpoint */ #define DWC3_EVENT_BUFFERS_SIZE (DWC3_EVENT_SIZE * DWC3_EVENT_MAX_NUM) @@ -157,6 +160,7 @@ #define DWC3_GCTL_PRTCAP_OTG 3 #define DWC3_GCTL_CORESOFTRESET (1 << 11) +#define DWC3_GCTL_SOFITPSYNC (1 << 10) #define DWC3_GCTL_SCALEDOWN(n) ((n) << 4) #define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3) #define DWC3_GCTL_DISSCRAMBLE (1 << 3) @@ -318,7 +322,7 @@ /* Device Endpoint Command Register */ #define DWC3_DEPCMD_PARAM_SHIFT 16 #define DWC3_DEPCMD_PARAM(x) ((x) << DWC3_DEPCMD_PARAM_SHIFT) -#define DWC3_DEPCMD_GET_RSC_IDX(x) (((x) >> DWC3_DEPCMD_PARAM_SHIFT) & 0x7f) +#define DWC3_DEPCMD_GET_RSC_IDX(x) (((x) >> DWC3_DEPCMD_PARAM_SHIFT) & 0x7f) #define DWC3_DEPCMD_STATUS(x) (((x) >> 15) & 1) #define DWC3_DEPCMD_HIPRI_FORCERM (1 << 11) #define DWC3_DEPCMD_CMDACT (1 << 10) @@ -393,6 +397,7 @@ struct dwc3_event_buffer { * @busy_slot: first slot which is owned by HW * @desc: usb_endpoint_descriptor pointer * @dwc: pointer to DWC controller + * @saved_state: ep state saved during hibernation * @flags: endpoint flags (wedged, stalled, ...) * @current_trb: index of current used trb * @number: endpoint number (1 - 15) @@ -415,6 +420,7 @@ struct dwc3_ep { const struct usb_ss_ep_comp_descriptor *comp_desc; struct dwc3 *dwc; + u32 saved_state; unsigned flags; #define DWC3_EP_ENABLED (1 << 0) #define DWC3_EP_STALL (1 << 1) @@ -598,6 +604,7 @@ struct dwc3_scratchpad_array { * @ep0_trb: dma address of ep0_trb * @ep0_usb_req: dummy req used while handling STD USB requests * @ep0_bounce_addr: dma address of ep0_bounce + * @scratch_addr: dma address of scratchbuf * @lock: for synchronizing * @dev: pointer to our struct device * @xhci: pointer to our xHCI child @@ -606,6 +613,7 @@ struct dwc3_scratchpad_array { * @gadget_driver: pointer to the gadget driver * @regs: base address for our registers * @regs_size: address space size + * @nr_scratch: number of scratch buffers * @num_event_buffers: calculated number of event buffers * @u1u2: only used on revisions <1.83a for workaround * @maximum_speed: maximum speed requested (mainly for testing purposes) @@ -613,16 +621,10 @@ struct dwc3_scratchpad_array { * @dr_mode: requested mode of operation * @usb2_phy: pointer to USB2 PHY * @usb3_phy: pointer to USB3 PHY + * @usb2_generic_phy: pointer to USB2 PHY + * @usb3_generic_phy: pointer to USB3 PHY * @dcfg: saved contents of DCFG register * @gctl: saved contents of GCTL register - * @is_selfpowered: true when we are selfpowered - * @three_stage_setup: set if we perform a three phase setup - * @ep0_bounced: true when we used bounce buffer - * @ep0_expect_in: true when we expect a DATA IN transfer - * @start_config_issued: true when StartConfig command has been issued - * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround - * @needs_fifo_resize: not all users might want fifo resizing, flag it - * @resize_fifos: tells us it's ok to reconfigure our TxFIFO sizes. * @isoch_delay: wValue from Set Isochronous Delay request; * @u2sel: parameter from Set SEL request. * @u2pel: parameter from Set SEL request. @@ -637,15 +639,31 @@ struct dwc3_scratchpad_array { * @mem: points to start of memory which is used for this struct. * @hwparams: copy of hwparams registers * @root: debugfs root folder pointer + * @regset: debugfs pointer to regdump file + * @test_mode: true when we're entering a USB test mode + * @test_mode_nr: test feature selector + * @delayed_status: true when gadget driver asks for delayed status + * @ep0_bounced: true when we used bounce buffer + * @ep0_expect_in: true when we expect a DATA IN transfer + * @has_hibernation: true when dwc3 was configured with Hibernation + * @is_selfpowered: true when we are selfpowered + * @needs_fifo_resize: not all users might want fifo resizing, flag it + * @pullups_connected: true when Run/Stop bit is set + * @resize_fifos: tells us it's ok to reconfigure our TxFIFO sizes. + * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround + * @start_config_issued: true when StartConfig command has been issued + * @three_stage_setup: set if we perform a three phase setup */ struct dwc3 { struct usb_ctrlrequest *ctrl_req; struct dwc3_trb *ep0_trb; void *ep0_bounce; + void *scratchbuf; u8 *setup_buf; dma_addr_t ctrl_req_addr; dma_addr_t ep0_trb_addr; dma_addr_t ep0_bounce_addr; + dma_addr_t scratch_addr; struct dwc3_request ep0_usb_req; /* device lock */ @@ -665,6 +683,9 @@ struct dwc3 { struct usb_phy *usb2_phy; struct usb_phy *usb3_phy; + struct phy *usb2_generic_phy; + struct phy *usb3_generic_phy; + void __iomem *regs; size_t regs_size; @@ -674,6 +695,7 @@ struct dwc3 { u32 dcfg; u32 gctl; + u32 nr_scratch; u32 num_event_buffers; u32 u1u2; u32 maximum_speed; @@ -695,17 +717,9 @@ struct dwc3 { #define DWC3_REVISION_230A 0x5533230a #define DWC3_REVISION_240A 0x5533240a #define DWC3_REVISION_250A 0x5533250a - - unsigned is_selfpowered:1; - unsigned three_stage_setup:1; - unsigned ep0_bounced:1; - unsigned ep0_expect_in:1; - unsigned start_config_issued:1; - unsigned setup_packet_pending:1; - unsigned delayed_status:1; - unsigned needs_fifo_resize:1; - unsigned resize_fifos:1; - unsigned pullups_connected:1; +#define DWC3_REVISION_260A 0x5533260a +#define DWC3_REVISION_270A 0x5533270a +#define DWC3_REVISION_280A 0x5533280a enum dwc3_ep0_next ep0_next_event; enum dwc3_ep0_state ep0state; @@ -730,6 +744,18 @@ struct dwc3 { u8 test_mode; u8 test_mode_nr; + + unsigned delayed_status:1; + unsigned ep0_bounced:1; + unsigned ep0_expect_in:1; + unsigned has_hibernation:1; + unsigned is_selfpowered:1; + unsigned needs_fifo_resize:1; + unsigned pullups_connected:1; + unsigned resize_fifos:1; + unsigned setup_packet_pending:1; + unsigned start_config_issued:1; + unsigned three_stage_setup:1; }; /* -------------------------------------------------------------------------- */ @@ -815,15 +841,15 @@ struct dwc3_event_depevt { * 12 - VndrDevTstRcved * @reserved15_12: Reserved, not used * @event_info: Information about this event - * @reserved31_24: Reserved, not used + * @reserved31_25: Reserved, not used */ struct dwc3_event_devt { u32 one_bit:1; u32 device_event:7; u32 type:4; u32 reserved15_12:4; - u32 event_info:8; - u32 reserved31_24:8; + u32 event_info:9; + u32 reserved31_25:7; } __packed; /** @@ -856,6 +882,19 @@ union dwc3_event { struct dwc3_event_gevt gevt; }; +/** + * struct dwc3_gadget_ep_cmd_params - representation of endpoint command + * parameters + * @param2: third parameter + * @param1: second parameter + * @param0: first parameter + */ +struct dwc3_gadget_ep_cmd_params { + u32 param2; + u32 param1; + u32 param0; +}; + /* * DWC3 Features to be used as Driver Data */ @@ -881,11 +920,31 @@ static inline void dwc3_host_exit(struct dwc3 *dwc) #if IS_ENABLED(CONFIG_USB_DWC3_GADGET) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) int dwc3_gadget_init(struct dwc3 *dwc); void dwc3_gadget_exit(struct dwc3 *dwc); +int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode); +int dwc3_gadget_get_link_state(struct dwc3 *dwc); +int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state); +int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, + unsigned cmd, struct dwc3_gadget_ep_cmd_params *params); +int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param); #else static inline int dwc3_gadget_init(struct dwc3 *dwc) { return 0; } static inline void dwc3_gadget_exit(struct dwc3 *dwc) { } +static inline int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode) +{ return 0; } +static inline int dwc3_gadget_get_link_state(struct dwc3 *dwc) +{ return 0; } +static inline int dwc3_gadget_set_link_state(struct dwc3 *dwc, + enum dwc3_link_state state) +{ return 0; } + +static inline int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, + unsigned cmd, struct dwc3_gadget_ep_cmd_params *params) +{ return 0; } +static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc, + int cmd, u32 param) +{ return 0; } #endif /* power management interface */ |