diff options
Diffstat (limited to 'drivers/usb/dwc2/gadget.c')
-rw-r--r-- | drivers/usb/dwc2/gadget.c | 696 |
1 files changed, 348 insertions, 348 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 3ee5b4c77a1f..2ed9ad84d979 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -39,14 +39,14 @@ #include "hw.h" /* conversion functions */ -static inline struct s3c_hsotg_req *our_req(struct usb_request *req) +static inline struct dwc2_hsotg_req *our_req(struct usb_request *req) { - return container_of(req, struct s3c_hsotg_req, req); + return container_of(req, struct dwc2_hsotg_req, req); } -static inline struct s3c_hsotg_ep *our_ep(struct usb_ep *ep) +static inline struct dwc2_hsotg_ep *our_ep(struct usb_ep *ep) { - return container_of(ep, struct s3c_hsotg_ep, ep); + return container_of(ep, struct dwc2_hsotg_ep, ep); } static inline struct dwc2_hsotg *to_hsotg(struct usb_gadget *gadget) @@ -64,7 +64,7 @@ static inline void __bic32(void __iomem *ptr, u32 val) writel(readl(ptr) & ~val, ptr); } -static inline struct s3c_hsotg_ep *index_to_ep(struct dwc2_hsotg *hsotg, +static inline struct dwc2_hsotg_ep *index_to_ep(struct dwc2_hsotg *hsotg, u32 ep_index, u32 dir_in) { if (dir_in) @@ -74,7 +74,7 @@ static inline struct s3c_hsotg_ep *index_to_ep(struct dwc2_hsotg *hsotg, } /* forward declaration of functions */ -static void s3c_hsotg_dump(struct dwc2_hsotg *hsotg); +static void dwc2_hsotg_dump(struct dwc2_hsotg *hsotg); /** * using_dma - return the DMA status of the driver. @@ -101,11 +101,11 @@ static inline bool using_dma(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_en_gsint - enable one or more of the general interrupt + * dwc2_hsotg_en_gsint - enable one or more of the general interrupt * @hsotg: The device state * @ints: A bitmask of the interrupts to enable */ -static void s3c_hsotg_en_gsint(struct dwc2_hsotg *hsotg, u32 ints) +static void dwc2_hsotg_en_gsint(struct dwc2_hsotg *hsotg, u32 ints) { u32 gsintmsk = readl(hsotg->regs + GINTMSK); u32 new_gsintmsk; @@ -119,11 +119,11 @@ static void s3c_hsotg_en_gsint(struct dwc2_hsotg *hsotg, u32 ints) } /** - * s3c_hsotg_disable_gsint - disable one or more of the general interrupt + * dwc2_hsotg_disable_gsint - disable one or more of the general interrupt * @hsotg: The device state * @ints: A bitmask of the interrupts to enable */ -static void s3c_hsotg_disable_gsint(struct dwc2_hsotg *hsotg, u32 ints) +static void dwc2_hsotg_disable_gsint(struct dwc2_hsotg *hsotg, u32 ints) { u32 gsintmsk = readl(hsotg->regs + GINTMSK); u32 new_gsintmsk; @@ -135,7 +135,7 @@ static void s3c_hsotg_disable_gsint(struct dwc2_hsotg *hsotg, u32 ints) } /** - * s3c_hsotg_ctrl_epint - enable/disable an endpoint irq + * dwc2_hsotg_ctrl_epint - enable/disable an endpoint irq * @hsotg: The device state * @ep: The endpoint index * @dir_in: True if direction is in. @@ -144,7 +144,7 @@ static void s3c_hsotg_disable_gsint(struct dwc2_hsotg *hsotg, u32 ints) * Set or clear the mask for an individual endpoint's interrupt * request. */ -static void s3c_hsotg_ctrl_epint(struct dwc2_hsotg *hsotg, +static void dwc2_hsotg_ctrl_epint(struct dwc2_hsotg *hsotg, unsigned int ep, unsigned int dir_in, unsigned int en) { @@ -166,10 +166,10 @@ static void s3c_hsotg_ctrl_epint(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_init_fifo - initialise non-periodic FIFOs + * dwc2_hsotg_init_fifo - initialise non-periodic FIFOs * @hsotg: The device instance. */ -static void s3c_hsotg_init_fifo(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_init_fifo(struct dwc2_hsotg *hsotg) { unsigned int ep; unsigned int addr; @@ -248,12 +248,12 @@ static void s3c_hsotg_init_fifo(struct dwc2_hsotg *hsotg) * * Allocate a new USB request structure appropriate for the specified endpoint */ -static struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, +static struct usb_request *dwc2_hsotg_ep_alloc_request(struct usb_ep *ep, gfp_t flags) { - struct s3c_hsotg_req *req; + struct dwc2_hsotg_req *req; - req = kzalloc(sizeof(struct s3c_hsotg_req), flags); + req = kzalloc(sizeof(struct dwc2_hsotg_req), flags); if (!req) return NULL; @@ -269,23 +269,23 @@ static struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, * Returns true if the endpoint is in periodic mode, meaning it is being * used for an Interrupt or ISO transfer. */ -static inline int is_ep_periodic(struct s3c_hsotg_ep *hs_ep) +static inline int is_ep_periodic(struct dwc2_hsotg_ep *hs_ep) { return hs_ep->periodic; } /** - * s3c_hsotg_unmap_dma - unmap the DMA memory being used for the request + * dwc2_hsotg_unmap_dma - unmap the DMA memory being used for the request * @hsotg: The device state. * @hs_ep: The endpoint for the request * @hs_req: The request being processed. * - * This is the reverse of s3c_hsotg_map_dma(), called for the completion + * This is the reverse of dwc2_hsotg_map_dma(), called for the completion * of a request to ensure the buffer is ready for access by the caller. */ -static void s3c_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, - struct s3c_hsotg_req *hs_req) +static void dwc2_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req) { struct usb_request *req = &hs_req->req; @@ -297,7 +297,7 @@ static void s3c_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_write_fifo - write packet Data to the TxFIFO + * dwc2_hsotg_write_fifo - write packet Data to the TxFIFO * @hsotg: The controller state. * @hs_ep: The endpoint we're going to write for. * @hs_req: The request to write data for. @@ -312,9 +312,9 @@ static void s3c_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, * * This routine is only needed for PIO */ -static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, - struct s3c_hsotg_req *hs_req) +static int dwc2_hsotg_write_fifo(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req) { bool periodic = is_ep_periodic(hs_ep); u32 gnptxsts = readl(hsotg->regs + GNPTXSTS); @@ -348,7 +348,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, * previous data has been completely sent. */ if (hs_ep->fifo_load != 0) { - s3c_hsotg_en_gsint(hsotg, GINTSTS_PTXFEMP); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_PTXFEMP); return -ENOSPC; } @@ -369,7 +369,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, __func__, can_write); if (can_write <= 0) { - s3c_hsotg_en_gsint(hsotg, GINTSTS_PTXFEMP); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_PTXFEMP); return -ENOSPC; } } else if (hsotg->dedicated_fifos && hs_ep->index != 0) { @@ -383,7 +383,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, "%s: no queue slots available (0x%08x)\n", __func__, gnptxsts); - s3c_hsotg_en_gsint(hsotg, GINTSTS_NPTXFEMP); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_NPTXFEMP); return -ENOSPC; } @@ -414,7 +414,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, /* it's needed only when we do not use dedicated fifos */ if (!hsotg->dedicated_fifos) - s3c_hsotg_en_gsint(hsotg, + dwc2_hsotg_en_gsint(hsotg, periodic ? GINTSTS_PTXFEMP : GINTSTS_NPTXFEMP); } @@ -443,7 +443,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, /* it's needed only when we do not use dedicated fifos */ if (!hsotg->dedicated_fifos) - s3c_hsotg_en_gsint(hsotg, + dwc2_hsotg_en_gsint(hsotg, periodic ? GINTSTS_PTXFEMP : GINTSTS_NPTXFEMP); } @@ -475,7 +475,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, * Return the maximum data that can be queued in one go on a given endpoint * so that transfers that are too long can be split. */ -static unsigned get_ep_limit(struct s3c_hsotg_ep *hs_ep) +static unsigned get_ep_limit(struct dwc2_hsotg_ep *hs_ep) { int index = hs_ep->index; unsigned maxsize; @@ -508,7 +508,7 @@ static unsigned get_ep_limit(struct s3c_hsotg_ep *hs_ep) } /** - * s3c_hsotg_start_req - start a USB request from an endpoint's queue + * dwc2_hsotg_start_req - start a USB request from an endpoint's queue * @hsotg: The controller state. * @hs_ep: The endpoint to process a request for * @hs_req: The request to start. @@ -517,9 +517,9 @@ static unsigned get_ep_limit(struct s3c_hsotg_ep *hs_ep) * Start the given request running by setting the endpoint registers * appropriately, and writing any data to the FIFOs. */ -static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, - struct s3c_hsotg_req *hs_req, +static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req, bool continuing) { struct usb_request *ureq = &hs_req->req; @@ -625,7 +625,7 @@ static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, /* * write DMA address to control register, buffer already - * synced by s3c_hsotg_ep_queue(). + * synced by dwc2_hsotg_ep_queue(). */ dma_reg = dir_in ? DIEPDMA(index) : DOEPDMA(index); @@ -659,7 +659,7 @@ static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, /* set these anyway, we may need them for non-periodic in */ hs_ep->fifo_load = 0; - s3c_hsotg_write_fifo(hsotg, hs_ep, hs_req); + dwc2_hsotg_write_fifo(hsotg, hs_ep, hs_req); } /* @@ -685,11 +685,11 @@ static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, __func__, readl(hsotg->regs + epctrl_reg)); /* enable ep interrupts */ - s3c_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 1); + dwc2_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 1); } /** - * s3c_hsotg_map_dma - map the DMA memory being used for the request + * dwc2_hsotg_map_dma - map the DMA memory being used for the request * @hsotg: The device state. * @hs_ep: The endpoint the request is on. * @req: The request being processed. @@ -700,11 +700,11 @@ static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, * DMA memory, then we map the memory and mark our request to allow us to * cleanup on completion. */ -static int s3c_hsotg_map_dma(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, +static int dwc2_hsotg_map_dma(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, struct usb_request *req) { - struct s3c_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_req *hs_req = our_req(req); int ret; /* if the length is zero, ignore the DMA data */ @@ -724,8 +724,8 @@ dma_error: return -EIO; } -static int s3c_hsotg_handle_unaligned_buf_start(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, struct s3c_hsotg_req *hs_req) +static int dwc2_hsotg_handle_unaligned_buf_start(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, struct dwc2_hsotg_req *hs_req) { void *req_buf = hs_req->req.buf; @@ -755,8 +755,8 @@ static int s3c_hsotg_handle_unaligned_buf_start(struct dwc2_hsotg *hsotg, return 0; } -static void s3c_hsotg_handle_unaligned_buf_complete(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, struct s3c_hsotg_req *hs_req) +static void dwc2_hsotg_handle_unaligned_buf_complete(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, struct dwc2_hsotg_req *hs_req) { /* If dma is not being used or buffer was aligned */ if (!using_dma(hsotg) || !hs_req->saved_req_buf) @@ -777,11 +777,11 @@ static void s3c_hsotg_handle_unaligned_buf_complete(struct dwc2_hsotg *hsotg, hs_req->saved_req_buf = NULL; } -static int s3c_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, +static int dwc2_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags) { - struct s3c_hsotg_req *hs_req = our_req(req); - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; bool first; int ret; @@ -802,13 +802,13 @@ static int s3c_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, req->actual = 0; req->status = -EINPROGRESS; - ret = s3c_hsotg_handle_unaligned_buf_start(hs, hs_ep, hs_req); + ret = dwc2_hsotg_handle_unaligned_buf_start(hs, hs_ep, hs_req); if (ret) return ret; /* if we're using DMA, sync the buffers as necessary */ if (using_dma(hs)) { - ret = s3c_hsotg_map_dma(hs, hs_ep, req); + ret = dwc2_hsotg_map_dma(hs, hs_ep, req); if (ret) return ret; } @@ -817,51 +817,51 @@ static int s3c_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, list_add_tail(&hs_req->queue, &hs_ep->queue); if (first) - s3c_hsotg_start_req(hs, hs_ep, hs_req, false); + dwc2_hsotg_start_req(hs, hs_ep, hs_req, false); return 0; } -static int s3c_hsotg_ep_queue_lock(struct usb_ep *ep, struct usb_request *req, +static int dwc2_hsotg_ep_queue_lock(struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; unsigned long flags = 0; int ret = 0; spin_lock_irqsave(&hs->lock, flags); - ret = s3c_hsotg_ep_queue(ep, req, gfp_flags); + ret = dwc2_hsotg_ep_queue(ep, req, gfp_flags); spin_unlock_irqrestore(&hs->lock, flags); return ret; } -static void s3c_hsotg_ep_free_request(struct usb_ep *ep, +static void dwc2_hsotg_ep_free_request(struct usb_ep *ep, struct usb_request *req) { - struct s3c_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_req *hs_req = our_req(req); kfree(hs_req); } /** - * s3c_hsotg_complete_oursetup - setup completion callback + * dwc2_hsotg_complete_oursetup - setup completion callback * @ep: The endpoint the request was on. * @req: The request completed. * * Called on completion of any requests the driver itself * submitted that need cleaning up. */ -static void s3c_hsotg_complete_oursetup(struct usb_ep *ep, +static void dwc2_hsotg_complete_oursetup(struct usb_ep *ep, struct usb_request *req) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hsotg = hs_ep->parent; dev_dbg(hsotg->dev, "%s: ep %p, req %p\n", __func__, ep, req); - s3c_hsotg_ep_free_request(ep, req); + dwc2_hsotg_ep_free_request(ep, req); } /** @@ -872,10 +872,10 @@ static void s3c_hsotg_complete_oursetup(struct usb_ep *ep, * Convert the given wIndex into a pointer to an driver endpoint * structure, or return NULL if it is not a valid endpoint. */ -static struct s3c_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg, +static struct dwc2_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg, u32 windex) { - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep; int dir = (windex & USB_DIR_IN) ? 1 : 0; int idx = windex & 0x7F; @@ -894,12 +894,12 @@ static struct s3c_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_set_test_mode - Enable usb Test Modes + * dwc2_hsotg_set_test_mode - Enable usb Test Modes * @hsotg: The driver state. * @testmode: requested usb test mode * Enable usb Test Mode requested by the Host. */ -int s3c_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) +int dwc2_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) { int dctl = readl(hsotg->regs + DCTL); @@ -920,7 +920,7 @@ int s3c_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) } /** - * s3c_hsotg_send_reply - send reply to control request + * dwc2_hsotg_send_reply - send reply to control request * @hsotg: The device state * @ep: Endpoint 0 * @buff: Buffer for request @@ -929,8 +929,8 @@ int s3c_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) * Create a request and queue it on the given endpoint. This is useful as * an internal method of sending replies to certain control requests, etc. */ -static int s3c_hsotg_send_reply(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *ep, +static int dwc2_hsotg_send_reply(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *ep, void *buff, int length) { @@ -939,7 +939,7 @@ static int s3c_hsotg_send_reply(struct dwc2_hsotg *hsotg, dev_dbg(hsotg->dev, "%s: buff %p, len %d\n", __func__, buff, length); - req = s3c_hsotg_ep_alloc_request(&ep->ep, GFP_ATOMIC); + req = dwc2_hsotg_ep_alloc_request(&ep->ep, GFP_ATOMIC); hsotg->ep0_reply = req; if (!req) { dev_warn(hsotg->dev, "%s: cannot alloc req\n", __func__); @@ -953,12 +953,12 @@ static int s3c_hsotg_send_reply(struct dwc2_hsotg *hsotg, * STATUS stage. */ req->zero = 0; - req->complete = s3c_hsotg_complete_oursetup; + req->complete = dwc2_hsotg_complete_oursetup; if (length) memcpy(req->buf, buff, length); - ret = s3c_hsotg_ep_queue(&ep->ep, req, GFP_ATOMIC); + ret = dwc2_hsotg_ep_queue(&ep->ep, req, GFP_ATOMIC); if (ret) { dev_warn(hsotg->dev, "%s: cannot queue req\n", __func__); return ret; @@ -968,15 +968,15 @@ static int s3c_hsotg_send_reply(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_process_req_status - process request GET_STATUS + * dwc2_hsotg_process_req_status - process request GET_STATUS * @hsotg: The device state * @ctrl: USB control request */ -static int s3c_hsotg_process_req_status(struct dwc2_hsotg *hsotg, +static int dwc2_hsotg_process_req_status(struct dwc2_hsotg *hsotg, struct usb_ctrlrequest *ctrl) { - struct s3c_hsotg_ep *ep0 = hsotg->eps_out[0]; - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0]; + struct dwc2_hsotg_ep *ep; __le16 reply; int ret; @@ -1013,7 +1013,7 @@ static int s3c_hsotg_process_req_status(struct dwc2_hsotg *hsotg, if (le16_to_cpu(ctrl->wLength) != 2) return -EINVAL; - ret = s3c_hsotg_send_reply(hsotg, ep0, &reply, 2); + ret = dwc2_hsotg_send_reply(hsotg, ep0, &reply, 2); if (ret) { dev_err(hsotg->dev, "%s: failed to send reply\n", __func__); return ret; @@ -1022,7 +1022,7 @@ static int s3c_hsotg_process_req_status(struct dwc2_hsotg *hsotg, return 1; } -static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value); +static int dwc2_hsotg_ep_sethalt(struct usb_ep *ep, int value); /** * get_ep_head - return the first request on the endpoint @@ -1030,27 +1030,27 @@ static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value); * * Get the first request on the endpoint. */ -static struct s3c_hsotg_req *get_ep_head(struct s3c_hsotg_ep *hs_ep) +static struct dwc2_hsotg_req *get_ep_head(struct dwc2_hsotg_ep *hs_ep) { if (list_empty(&hs_ep->queue)) return NULL; - return list_first_entry(&hs_ep->queue, struct s3c_hsotg_req, queue); + return list_first_entry(&hs_ep->queue, struct dwc2_hsotg_req, queue); } /** - * s3c_hsotg_process_req_feature - process request {SET,CLEAR}_FEATURE + * dwc2_hsotg_process_req_feature - process request {SET,CLEAR}_FEATURE * @hsotg: The device state * @ctrl: USB control request */ -static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, +static int dwc2_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, struct usb_ctrlrequest *ctrl) { - struct s3c_hsotg_ep *ep0 = hsotg->eps_out[0]; - struct s3c_hsotg_req *hs_req; + struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0]; + struct dwc2_hsotg_req *hs_req; bool restart; bool set = (ctrl->bRequest == USB_REQ_SET_FEATURE); - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep; int ret; bool halted; u32 recip; @@ -1074,7 +1074,7 @@ static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, return -EINVAL; hsotg->test_mode = wIndex >> 8; - ret = s3c_hsotg_send_reply(hsotg, ep0, NULL, 0); + ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0); if (ret) { dev_err(hsotg->dev, "%s: failed to send reply\n", __func__); @@ -1098,9 +1098,9 @@ static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, case USB_ENDPOINT_HALT: halted = ep->halted; - s3c_hsotg_ep_sethalt(&ep->ep, set); + dwc2_hsotg_ep_sethalt(&ep->ep, set); - ret = s3c_hsotg_send_reply(hsotg, ep0, NULL, 0); + ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0); if (ret) { dev_err(hsotg->dev, "%s: failed to send reply\n", __func__); @@ -1134,7 +1134,7 @@ static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, restart = !list_empty(&ep->queue); if (restart) { hs_req = get_ep_head(ep); - s3c_hsotg_start_req(hsotg, ep, + dwc2_hsotg_start_req(hsotg, ep, hs_req, false); } } @@ -1152,17 +1152,17 @@ static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, return 1; } -static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg); +static void dwc2_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg); /** - * s3c_hsotg_stall_ep0 - stall ep0 + * dwc2_hsotg_stall_ep0 - stall ep0 * @hsotg: The device state * * Set stall for ep0 as response for setup request. */ -static void s3c_hsotg_stall_ep0(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_stall_ep0(struct dwc2_hsotg *hsotg) { - struct s3c_hsotg_ep *ep0 = hsotg->eps_out[0]; + struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0]; u32 reg; u32 ctrl; @@ -1187,11 +1187,11 @@ static void s3c_hsotg_stall_ep0(struct dwc2_hsotg *hsotg) * complete won't be called, so we enqueue * setup request here */ - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); } /** - * s3c_hsotg_process_control - process a control request + * dwc2_hsotg_process_control - process a control request * @hsotg: The device state * @ctrl: The control request received * @@ -1199,10 +1199,10 @@ static void s3c_hsotg_stall_ep0(struct dwc2_hsotg *hsotg) * needs to work out what to do next (and whether to pass it on to the * gadget driver). */ -static void s3c_hsotg_process_control(struct dwc2_hsotg *hsotg, +static void dwc2_hsotg_process_control(struct dwc2_hsotg *hsotg, struct usb_ctrlrequest *ctrl) { - struct s3c_hsotg_ep *ep0 = hsotg->eps_out[0]; + struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0]; int ret = 0; u32 dcfg; @@ -1233,16 +1233,16 @@ static void s3c_hsotg_process_control(struct dwc2_hsotg *hsotg, dev_info(hsotg->dev, "new address %d\n", ctrl->wValue); - ret = s3c_hsotg_send_reply(hsotg, ep0, NULL, 0); + ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0); return; case USB_REQ_GET_STATUS: - ret = s3c_hsotg_process_req_status(hsotg, ctrl); + ret = dwc2_hsotg_process_req_status(hsotg, ctrl); break; case USB_REQ_CLEAR_FEATURE: case USB_REQ_SET_FEATURE: - ret = s3c_hsotg_process_req_feature(hsotg, ctrl); + ret = dwc2_hsotg_process_req_feature(hsotg, ctrl); break; } } @@ -1263,21 +1263,21 @@ static void s3c_hsotg_process_control(struct dwc2_hsotg *hsotg, */ if (ret < 0) - s3c_hsotg_stall_ep0(hsotg); + dwc2_hsotg_stall_ep0(hsotg); } /** - * s3c_hsotg_complete_setup - completion of a setup transfer + * dwc2_hsotg_complete_setup - completion of a setup transfer * @ep: The endpoint the request was on. * @req: The request completed. * * Called on completion of any requests the driver itself submitted for * EP0 setup packets */ -static void s3c_hsotg_complete_setup(struct usb_ep *ep, +static void dwc2_hsotg_complete_setup(struct usb_ep *ep, struct usb_request *req) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hsotg = hs_ep->parent; if (req->status < 0) { @@ -1287,23 +1287,23 @@ static void s3c_hsotg_complete_setup(struct usb_ep *ep, spin_lock(&hsotg->lock); if (req->actual == 0) - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); else - s3c_hsotg_process_control(hsotg, req->buf); + dwc2_hsotg_process_control(hsotg, req->buf); spin_unlock(&hsotg->lock); } /** - * s3c_hsotg_enqueue_setup - start a request for EP0 packets + * dwc2_hsotg_enqueue_setup - start a request for EP0 packets * @hsotg: The device state. * * Enqueue a request on EP0 if necessary to received any SETUP packets * received from the host. */ -static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) { struct usb_request *req = hsotg->ctrl_req; - struct s3c_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_req *hs_req = our_req(req); int ret; dev_dbg(hsotg->dev, "%s: queueing setup request\n", __func__); @@ -1311,7 +1311,7 @@ static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) req->zero = 0; req->length = 8; req->buf = hsotg->ctrl_buff; - req->complete = s3c_hsotg_complete_setup; + req->complete = dwc2_hsotg_complete_setup; if (!list_empty(&hs_req->queue)) { dev_dbg(hsotg->dev, "%s already queued???\n", __func__); @@ -1322,7 +1322,7 @@ static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) hsotg->eps_out[0]->send_zlp = 0; hsotg->ep0_state = DWC2_EP0_SETUP; - ret = s3c_hsotg_ep_queue(&hsotg->eps_out[0]->ep, req, GFP_ATOMIC); + ret = dwc2_hsotg_ep_queue(&hsotg->eps_out[0]->ep, req, GFP_ATOMIC); if (ret < 0) { dev_err(hsotg->dev, "%s: failed queue (%d)\n", __func__, ret); /* @@ -1332,8 +1332,8 @@ static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) } } -static void s3c_hsotg_program_zlp(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep) +static void dwc2_hsotg_program_zlp(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep) { u32 ctrl; u8 index = hs_ep->index; @@ -1359,7 +1359,7 @@ static void s3c_hsotg_program_zlp(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_complete_request - complete a request given to us + * dwc2_hsotg_complete_request - complete a request given to us * @hsotg: The device state. * @hs_ep: The endpoint the request was on. * @hs_req: The request to complete. @@ -1371,9 +1371,9 @@ static void s3c_hsotg_program_zlp(struct dwc2_hsotg *hsotg, * * Note, expects the ep to already be locked as appropriate. */ -static void s3c_hsotg_complete_request(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, - struct s3c_hsotg_req *hs_req, +static void dwc2_hsotg_complete_request(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req, int result) { bool restart; @@ -1394,13 +1394,13 @@ static void s3c_hsotg_complete_request(struct dwc2_hsotg *hsotg, if (hs_req->req.status == -EINPROGRESS) hs_req->req.status = result; - s3c_hsotg_handle_unaligned_buf_complete(hsotg, hs_ep, hs_req); + dwc2_hsotg_handle_unaligned_buf_complete(hsotg, hs_ep, hs_req); hs_ep->req = NULL; list_del_init(&hs_req->queue); if (using_dma(hsotg)) - s3c_hsotg_unmap_dma(hsotg, hs_ep, hs_req); + dwc2_hsotg_unmap_dma(hsotg, hs_ep, hs_req); /* * call the complete request with the locks off, just in case the @@ -1423,13 +1423,13 @@ static void s3c_hsotg_complete_request(struct dwc2_hsotg *hsotg, restart = !list_empty(&hs_ep->queue); if (restart) { hs_req = get_ep_head(hs_ep); - s3c_hsotg_start_req(hsotg, hs_ep, hs_req, false); + dwc2_hsotg_start_req(hsotg, hs_ep, hs_req, false); } } } /** - * s3c_hsotg_rx_data - receive data from the FIFO for an endpoint + * dwc2_hsotg_rx_data - receive data from the FIFO for an endpoint * @hsotg: The device state. * @ep_idx: The endpoint index for the data * @size: The size of data in the fifo, in bytes @@ -1438,10 +1438,10 @@ static void s3c_hsotg_complete_request(struct dwc2_hsotg *hsotg, * endpoint, so sort out whether we need to read the data into a request * that has been made for that endpoint. */ -static void s3c_hsotg_rx_data(struct dwc2_hsotg *hsotg, int ep_idx, int size) +static void dwc2_hsotg_rx_data(struct dwc2_hsotg *hsotg, int ep_idx, int size) { - struct s3c_hsotg_ep *hs_ep = hsotg->eps_out[ep_idx]; - struct s3c_hsotg_req *hs_req = hs_ep->req; + struct dwc2_hsotg_ep *hs_ep = hsotg->eps_out[ep_idx]; + struct dwc2_hsotg_req *hs_req = hs_ep->req; void __iomem *fifo = hsotg->regs + EPFIFO(ep_idx); int to_read; int max_req; @@ -1492,7 +1492,7 @@ static void s3c_hsotg_rx_data(struct dwc2_hsotg *hsotg, int ep_idx, int size) } /** - * s3c_hsotg_ep0_zlp - send/receive zero-length packet on control endpoint + * dwc2_hsotg_ep0_zlp - send/receive zero-length packet on control endpoint * @hsotg: The device instance * @dir_in: If IN zlp * @@ -1503,17 +1503,17 @@ static void s3c_hsotg_rx_data(struct dwc2_hsotg *hsotg, int ep_idx, int size) * currently believed that we do not need to wait for any space in * the TxFIFO. */ -static void s3c_hsotg_ep0_zlp(struct dwc2_hsotg *hsotg, bool dir_in) +static void dwc2_hsotg_ep0_zlp(struct dwc2_hsotg *hsotg, bool dir_in) { /* eps_out[0] is used in both directions */ hsotg->eps_out[0]->dir_in = dir_in; hsotg->ep0_state = dir_in ? DWC2_EP0_STATUS_IN : DWC2_EP0_STATUS_OUT; - s3c_hsotg_program_zlp(hsotg, hsotg->eps_out[0]); + dwc2_hsotg_program_zlp(hsotg, hsotg->eps_out[0]); } /** - * s3c_hsotg_handle_outdone - handle receiving OutDone/SetupDone from RXFIFO + * dwc2_hsotg_handle_outdone - handle receiving OutDone/SetupDone from RXFIFO * @hsotg: The device instance * @epnum: The endpoint received from * @@ -1521,11 +1521,11 @@ static void s3c_hsotg_ep0_zlp(struct dwc2_hsotg *hsotg, bool dir_in) * transfer for an OUT endpoint has been completed, either by a short * packet or by the finish of a transfer. */ -static void s3c_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) +static void dwc2_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) { u32 epsize = readl(hsotg->regs + DOEPTSIZ(epnum)); - struct s3c_hsotg_ep *hs_ep = hsotg->eps_out[epnum]; - struct s3c_hsotg_req *hs_req = hs_ep->req; + struct dwc2_hsotg_ep *hs_ep = hsotg->eps_out[epnum]; + struct dwc2_hsotg_req *hs_req = hs_ep->req; struct usb_request *req = &hs_req->req; unsigned size_left = DXEPTSIZ_XFERSIZE_GET(epsize); int result = 0; @@ -1537,8 +1537,8 @@ static void s3c_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) if (epnum == 0 && hsotg->ep0_state == DWC2_EP0_STATUS_OUT) { dev_dbg(hsotg->dev, "zlp packet received\n"); - s3c_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); + dwc2_hsotg_enqueue_setup(hsotg); return; } @@ -1562,7 +1562,7 @@ static void s3c_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) /* if there is more request to do, schedule new transfer */ if (req->actual < req->length && size_left == 0) { - s3c_hsotg_start_req(hsotg, hs_ep, hs_req, true); + dwc2_hsotg_start_req(hsotg, hs_ep, hs_req, true); return; } @@ -1578,20 +1578,20 @@ static void s3c_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) if (epnum == 0 && hsotg->ep0_state == DWC2_EP0_DATA_OUT) { /* Move to STATUS IN */ - s3c_hsotg_ep0_zlp(hsotg, true); + dwc2_hsotg_ep0_zlp(hsotg, true); return; } - s3c_hsotg_complete_request(hsotg, hs_ep, hs_req, result); + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, result); } /** - * s3c_hsotg_read_frameno - read current frame number + * dwc2_hsotg_read_frameno - read current frame number * @hsotg: The device instance * * Return the current frame number */ -static u32 s3c_hsotg_read_frameno(struct dwc2_hsotg *hsotg) +static u32 dwc2_hsotg_read_frameno(struct dwc2_hsotg *hsotg) { u32 dsts; @@ -1603,7 +1603,7 @@ static u32 s3c_hsotg_read_frameno(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_handle_rx - RX FIFO has data + * dwc2_hsotg_handle_rx - RX FIFO has data * @hsotg: The device instance * * The IRQ handler has detected that the RX FIFO has some data in it @@ -1618,7 +1618,7 @@ static u32 s3c_hsotg_read_frameno(struct dwc2_hsotg *hsotg) * as the actual data should be sent to the memory directly and we turn * on the completion interrupts to get notifications of transfer completion. */ -static void s3c_hsotg_handle_rx(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_handle_rx(struct dwc2_hsotg *hsotg) { u32 grxstsr = readl(hsotg->regs + GRXSTSP); u32 epnum, status, size; @@ -1641,55 +1641,55 @@ static void s3c_hsotg_handle_rx(struct dwc2_hsotg *hsotg) case GRXSTS_PKTSTS_OUTDONE: dev_dbg(hsotg->dev, "OutDone (Frame=0x%08x)\n", - s3c_hsotg_read_frameno(hsotg)); + dwc2_hsotg_read_frameno(hsotg)); if (!using_dma(hsotg)) - s3c_hsotg_handle_outdone(hsotg, epnum); + dwc2_hsotg_handle_outdone(hsotg, epnum); break; case GRXSTS_PKTSTS_SETUPDONE: dev_dbg(hsotg->dev, "SetupDone (Frame=0x%08x, DOPEPCTL=0x%08x)\n", - s3c_hsotg_read_frameno(hsotg), + dwc2_hsotg_read_frameno(hsotg), readl(hsotg->regs + DOEPCTL(0))); /* - * Call s3c_hsotg_handle_outdone here if it was not called from + * Call dwc2_hsotg_handle_outdone here if it was not called from * GRXSTS_PKTSTS_OUTDONE. That is, if the core didn't * generate GRXSTS_PKTSTS_OUTDONE for setup packet. */ if (hsotg->ep0_state == DWC2_EP0_SETUP) - s3c_hsotg_handle_outdone(hsotg, epnum); + dwc2_hsotg_handle_outdone(hsotg, epnum); break; case GRXSTS_PKTSTS_OUTRX: - s3c_hsotg_rx_data(hsotg, epnum, size); + dwc2_hsotg_rx_data(hsotg, epnum, size); break; case GRXSTS_PKTSTS_SETUPRX: dev_dbg(hsotg->dev, "SetupRX (Frame=0x%08x, DOPEPCTL=0x%08x)\n", - s3c_hsotg_read_frameno(hsotg), + dwc2_hsotg_read_frameno(hsotg), readl(hsotg->regs + DOEPCTL(0))); WARN_ON(hsotg->ep0_state != DWC2_EP0_SETUP); - s3c_hsotg_rx_data(hsotg, epnum, size); + dwc2_hsotg_rx_data(hsotg, epnum, size); break; default: dev_warn(hsotg->dev, "%s: unknown status %08x\n", __func__, grxstsr); - s3c_hsotg_dump(hsotg); + dwc2_hsotg_dump(hsotg); break; } } /** - * s3c_hsotg_ep0_mps - turn max packet size into register setting + * dwc2_hsotg_ep0_mps - turn max packet size into register setting * @mps: The maximum packet size in bytes. */ -static u32 s3c_hsotg_ep0_mps(unsigned int mps) +static u32 dwc2_hsotg_ep0_mps(unsigned int mps) { switch (mps) { case 64: @@ -1708,7 +1708,7 @@ static u32 s3c_hsotg_ep0_mps(unsigned int mps) } /** - * s3c_hsotg_set_ep_maxpacket - set endpoint's max-packet field + * dwc2_hsotg_set_ep_maxpacket - set endpoint's max-packet field * @hsotg: The driver state. * @ep: The index number of the endpoint * @mps: The maximum packet size in bytes @@ -1716,10 +1716,10 @@ static u32 s3c_hsotg_ep0_mps(unsigned int mps) * Configure the maximum packet size for the given endpoint, updating * the hardware control registers to reflect this. */ -static void s3c_hsotg_set_ep_maxpacket(struct dwc2_hsotg *hsotg, +static void dwc2_hsotg_set_ep_maxpacket(struct dwc2_hsotg *hsotg, unsigned int ep, unsigned int mps, unsigned int dir_in) { - struct s3c_hsotg_ep *hs_ep; + struct dwc2_hsotg_ep *hs_ep; void __iomem *regs = hsotg->regs; u32 mpsval; u32 mcval; @@ -1731,7 +1731,7 @@ static void s3c_hsotg_set_ep_maxpacket(struct dwc2_hsotg *hsotg, if (ep == 0) { /* EP0 is a special case */ - mpsval = s3c_hsotg_ep0_mps(mps); + mpsval = dwc2_hsotg_ep0_mps(mps); if (mpsval > 3) goto bad_mps; hs_ep->ep.maxpacket = mps; @@ -1766,11 +1766,11 @@ bad_mps: } /** - * s3c_hsotg_txfifo_flush - flush Tx FIFO + * dwc2_hsotg_txfifo_flush - flush Tx FIFO * @hsotg: The driver state * @idx: The index for the endpoint (0..15) */ -static void s3c_hsotg_txfifo_flush(struct dwc2_hsotg *hsotg, unsigned int idx) +static void dwc2_hsotg_txfifo_flush(struct dwc2_hsotg *hsotg, unsigned int idx) { int timeout; int val; @@ -1799,17 +1799,17 @@ static void s3c_hsotg_txfifo_flush(struct dwc2_hsotg *hsotg, unsigned int idx) } /** - * s3c_hsotg_trytx - check to see if anything needs transmitting + * dwc2_hsotg_trytx - check to see if anything needs transmitting * @hsotg: The driver state * @hs_ep: The driver endpoint to check. * * Check to see if there is a request that has data to send, and if so * make an attempt to write data into the FIFO. */ -static int s3c_hsotg_trytx(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep) +static int dwc2_hsotg_trytx(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep) { - struct s3c_hsotg_req *hs_req = hs_ep->req; + struct dwc2_hsotg_req *hs_req = hs_ep->req; if (!hs_ep->dir_in || !hs_req) { /** @@ -1817,7 +1817,7 @@ static int s3c_hsotg_trytx(struct dwc2_hsotg *hsotg, * for endpoints, excepting ep0 */ if (hs_ep->index != 0) - s3c_hsotg_ctrl_epint(hsotg, hs_ep->index, + dwc2_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 0); return 0; } @@ -1825,24 +1825,24 @@ static int s3c_hsotg_trytx(struct dwc2_hsotg *hsotg, if (hs_req->req.actual < hs_req->req.length) { dev_dbg(hsotg->dev, "trying to write more for ep%d\n", hs_ep->index); - return s3c_hsotg_write_fifo(hsotg, hs_ep, hs_req); + return dwc2_hsotg_write_fifo(hsotg, hs_ep, hs_req); } return 0; } /** - * s3c_hsotg_complete_in - complete IN transfer + * dwc2_hsotg_complete_in - complete IN transfer * @hsotg: The device state. * @hs_ep: The endpoint that has just completed. * * An IN transfer has been completed, update the transfer's state and then * call the relevant completion routines. */ -static void s3c_hsotg_complete_in(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep) +static void dwc2_hsotg_complete_in(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep) { - struct s3c_hsotg_req *hs_req = hs_ep->req; + struct dwc2_hsotg_req *hs_req = hs_ep->req; u32 epsize = readl(hsotg->regs + DIEPTSIZ(hs_ep->index)); int size_left, size_done; @@ -1854,19 +1854,19 @@ static void s3c_hsotg_complete_in(struct dwc2_hsotg *hsotg, /* Finish ZLP handling for IN EP0 transactions */ if (hs_ep->index == 0 && hsotg->ep0_state == DWC2_EP0_STATUS_IN) { dev_dbg(hsotg->dev, "zlp packet sent\n"); - s3c_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); if (hsotg->test_mode) { int ret; - ret = s3c_hsotg_set_test_mode(hsotg, hsotg->test_mode); + ret = dwc2_hsotg_set_test_mode(hsotg, hsotg->test_mode); if (ret < 0) { dev_dbg(hsotg->dev, "Invalid Test #%d\n", hsotg->test_mode); - s3c_hsotg_stall_ep0(hsotg); + dwc2_hsotg_stall_ep0(hsotg); return; } } - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); return; } @@ -1895,13 +1895,13 @@ static void s3c_hsotg_complete_in(struct dwc2_hsotg *hsotg, if (!size_left && hs_req->req.actual < hs_req->req.length) { dev_dbg(hsotg->dev, "%s trying more for req...\n", __func__); - s3c_hsotg_start_req(hsotg, hs_ep, hs_req, true); + dwc2_hsotg_start_req(hsotg, hs_ep, hs_req, true); return; } /* Zlp for all endpoints, for ep0 only in DATA IN stage */ if (hs_ep->send_zlp) { - s3c_hsotg_program_zlp(hsotg, hs_ep); + dwc2_hsotg_program_zlp(hsotg, hs_ep); hs_ep->send_zlp = 0; /* transfer will be completed on next complete interrupt */ return; @@ -1909,25 +1909,25 @@ static void s3c_hsotg_complete_in(struct dwc2_hsotg *hsotg, if (hs_ep->index == 0 && hsotg->ep0_state == DWC2_EP0_DATA_IN) { /* Move to STATUS OUT */ - s3c_hsotg_ep0_zlp(hsotg, false); + dwc2_hsotg_ep0_zlp(hsotg, false); return; } - s3c_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); } /** - * s3c_hsotg_epint - handle an in/out endpoint interrupt + * dwc2_hsotg_epint - handle an in/out endpoint interrupt * @hsotg: The driver state * @idx: The index for the endpoint (0..15) * @dir_in: Set if this is an IN endpoint * * Process and clear any interrupt pending for an individual endpoint */ -static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, +static void dwc2_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, int dir_in) { - struct s3c_hsotg_ep *hs_ep = index_to_ep(hsotg, idx, dir_in); + struct dwc2_hsotg_ep *hs_ep = index_to_ep(hsotg, idx, dir_in); u32 epint_reg = dir_in ? DIEPINT(idx) : DOEPINT(idx); u32 epctl_reg = dir_in ? DIEPCTL(idx) : DOEPCTL(idx); u32 epsiz_reg = dir_in ? DIEPTSIZ(idx) : DOEPTSIZ(idx); @@ -1972,17 +1972,17 @@ static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, * at completing IN requests here */ if (dir_in) { - s3c_hsotg_complete_in(hsotg, hs_ep); + dwc2_hsotg_complete_in(hsotg, hs_ep); if (idx == 0 && !hs_ep->req) - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); } else if (using_dma(hsotg)) { /* * We're using DMA, we need to fire an OutDone here * as we ignore the RXFIFO. */ - s3c_hsotg_handle_outdone(hsotg, idx); + dwc2_hsotg_handle_outdone(hsotg, idx); } } @@ -1992,7 +1992,7 @@ static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, if (dir_in) { int epctl = readl(hsotg->regs + epctl_reg); - s3c_hsotg_txfifo_flush(hsotg, hs_ep->fifo_index); + dwc2_hsotg_txfifo_flush(hsotg, hs_ep->fifo_index); if ((epctl & DXEPCTL_STALL) && (epctl & DXEPCTL_EPTYPE_BULK)) { @@ -2021,7 +2021,7 @@ static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, if (dir_in) WARN_ON_ONCE(1); else - s3c_hsotg_handle_outdone(hsotg, 0); + dwc2_hsotg_handle_outdone(hsotg, 0); } } @@ -2047,19 +2047,19 @@ static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, dev_dbg(hsotg->dev, "%s: ep%d: TxFIFOEmpty\n", __func__, idx); if (!using_dma(hsotg)) - s3c_hsotg_trytx(hsotg, hs_ep); + dwc2_hsotg_trytx(hsotg, hs_ep); } } } /** - * s3c_hsotg_irq_enumdone - Handle EnumDone interrupt (enumeration done) + * dwc2_hsotg_irq_enumdone - Handle EnumDone interrupt (enumeration done) * @hsotg: The device state. * * Handle updating the device settings after the enumeration phase has * been completed. */ -static void s3c_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg) { u32 dsts = readl(hsotg->regs + DSTS); int ep0_mps = 0, ep_mps = 8; @@ -2113,19 +2113,19 @@ static void s3c_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg) if (ep0_mps) { int i; /* Initialize ep0 for both in and out directions */ - s3c_hsotg_set_ep_maxpacket(hsotg, 0, ep0_mps, 1); - s3c_hsotg_set_ep_maxpacket(hsotg, 0, ep0_mps, 0); + dwc2_hsotg_set_ep_maxpacket(hsotg, 0, ep0_mps, 1); + dwc2_hsotg_set_ep_maxpacket(hsotg, 0, ep0_mps, 0); for (i = 1; i < hsotg->num_of_eps; i++) { if (hsotg->eps_in[i]) - s3c_hsotg_set_ep_maxpacket(hsotg, i, ep_mps, 1); + dwc2_hsotg_set_ep_maxpacket(hsotg, i, ep_mps, 1); if (hsotg->eps_out[i]) - s3c_hsotg_set_ep_maxpacket(hsotg, i, ep_mps, 0); + dwc2_hsotg_set_ep_maxpacket(hsotg, i, ep_mps, 0); } } /* ensure after enumeration our EP0 is active */ - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", readl(hsotg->regs + DIEPCTL0), @@ -2142,34 +2142,34 @@ static void s3c_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg) * completed with the given result code. */ static void kill_all_requests(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *ep, + struct dwc2_hsotg_ep *ep, int result) { - struct s3c_hsotg_req *req, *treq; + struct dwc2_hsotg_req *req, *treq; unsigned size; ep->req = NULL; list_for_each_entry_safe(req, treq, &ep->queue, queue) - s3c_hsotg_complete_request(hsotg, ep, req, + dwc2_hsotg_complete_request(hsotg, ep, req, result); if (!hsotg->dedicated_fifos) return; size = (readl(hsotg->regs + DTXFSTS(ep->index)) & 0xffff) * 4; if (size < ep->fifo_size) - s3c_hsotg_txfifo_flush(hsotg, ep->fifo_index); + dwc2_hsotg_txfifo_flush(hsotg, ep->fifo_index); } /** - * s3c_hsotg_disconnect - disconnect service + * dwc2_hsotg_disconnect - disconnect service * @hsotg: The device state. * * The device has been disconnected. Remove all current * transactions and signal the gadget driver that this * has happened. */ -void s3c_hsotg_disconnect(struct dwc2_hsotg *hsotg) +void dwc2_hsotg_disconnect(struct dwc2_hsotg *hsotg) { unsigned ep; @@ -2192,13 +2192,13 @@ void s3c_hsotg_disconnect(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_irq_fifoempty - TX FIFO empty interrupt handler + * dwc2_hsotg_irq_fifoempty - TX FIFO empty interrupt handler * @hsotg: The device state: * @periodic: True if this is a periodic FIFO interrupt */ -static void s3c_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) +static void dwc2_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) { - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep; int epno, ret; /* look through for any more data to transmit */ @@ -2215,7 +2215,7 @@ static void s3c_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) (!periodic && ep->periodic)) continue; - ret = s3c_hsotg_trytx(hsotg, ep); + ret = dwc2_hsotg_trytx(hsotg, ep); if (ret < 0) break; } @@ -2227,12 +2227,12 @@ static void s3c_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) GINTSTS_RXFLVL) /** - * s3c_hsotg_corereset - issue softreset to the core + * dwc2_hsotg_corereset - issue softreset to the core * @hsotg: The device state * * Issue a soft reset to the core, and await the core finishing it. */ -static int s3c_hsotg_corereset(struct dwc2_hsotg *hsotg) +static int dwc2_hsotg_corereset(struct dwc2_hsotg *hsotg) { int timeout; u32 grstctl; @@ -2275,18 +2275,18 @@ static int s3c_hsotg_corereset(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_core_init - issue softreset to the core + * dwc2_hsotg_core_init - issue softreset to the core * @hsotg: The device state * * Issue a soft reset to the core, and await the core finishing it. */ -void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, +void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, bool is_usb_reset) { u32 val; if (!is_usb_reset) - s3c_hsotg_corereset(hsotg); + dwc2_hsotg_corereset(hsotg); /* * we must now enable ep0 ready for host detection and then @@ -2298,7 +2298,7 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, writel(hsotg->phyif | GUSBCFG_TOUTCAL(7) | (val << GUSBCFG_USBTRDTIM_SHIFT), hsotg->regs + GUSBCFG); - s3c_hsotg_init_fifo(hsotg); + dwc2_hsotg_init_fifo(hsotg); if (!is_usb_reset) __orr32(hsotg->regs + DCTL, DCTL_SFTDISCON); @@ -2359,7 +2359,7 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, readl(hsotg->regs + DOEPCTL0)); /* enable in and out endpoint interrupts */ - s3c_hsotg_en_gsint(hsotg, GINTSTS_OEPINT | GINTSTS_IEPINT); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_OEPINT | GINTSTS_IEPINT); /* * Enable the RXFIFO when in slave mode, as this is how we collect @@ -2367,11 +2367,11 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, * things we cannot process, so do not use it. */ if (!using_dma(hsotg)) - s3c_hsotg_en_gsint(hsotg, GINTSTS_RXFLVL); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_RXFLVL); /* Enable interrupts for EP0 in and out */ - s3c_hsotg_ctrl_epint(hsotg, 0, 0, 1); - s3c_hsotg_ctrl_epint(hsotg, 0, 1, 1); + dwc2_hsotg_ctrl_epint(hsotg, 0, 0, 1); + dwc2_hsotg_ctrl_epint(hsotg, 0, 1, 1); if (!is_usb_reset) { __orr32(hsotg->regs + DCTL, DCTL_PWRONPRGDONE); @@ -2390,16 +2390,16 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, writel(DXEPTSIZ_MC(1) | DXEPTSIZ_PKTCNT(1) | DXEPTSIZ_XFERSIZE(8), hsotg->regs + DOEPTSIZ0); - writel(s3c_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | + writel(dwc2_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | DXEPCTL_CNAK | DXEPCTL_EPENA | DXEPCTL_USBACTEP, hsotg->regs + DOEPCTL0); /* enable, but don't activate EP0in */ - writel(s3c_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | + writel(dwc2_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | DXEPCTL_USBACTEP, hsotg->regs + DIEPCTL0); - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", readl(hsotg->regs + DIEPCTL0), @@ -2417,24 +2417,24 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, hsotg->last_rst = jiffies; } -static void s3c_hsotg_core_disconnect(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_core_disconnect(struct dwc2_hsotg *hsotg) { /* set the soft-disconnect bit */ __orr32(hsotg->regs + DCTL, DCTL_SFTDISCON); } -void s3c_hsotg_core_connect(struct dwc2_hsotg *hsotg) +void dwc2_hsotg_core_connect(struct dwc2_hsotg *hsotg) { /* remove the soft-disconnect and let's go */ __bic32(hsotg->regs + DCTL, DCTL_SFTDISCON); } /** - * s3c_hsotg_irq - handle device interrupt + * dwc2_hsotg_irq - handle device interrupt * @irq: The IRQ number triggered * @pw: The pw value when registered the handler. */ -static irqreturn_t s3c_hsotg_irq(int irq, void *pw) +static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) { struct dwc2_hsotg *hsotg = pw; int retry_count = 8; @@ -2454,7 +2454,7 @@ irq_retry: if (gintsts & GINTSTS_ENUMDONE) { writel(GINTSTS_ENUMDONE, hsotg->regs + GINTSTS); - s3c_hsotg_irq_enumdone(hsotg); + dwc2_hsotg_irq_enumdone(hsotg); } if (gintsts & (GINTSTS_OEPINT | GINTSTS_IEPINT)) { @@ -2472,13 +2472,13 @@ irq_retry: for (ep = 0; ep < hsotg->num_of_eps && daint_out; ep++, daint_out >>= 1) { if (daint_out & 1) - s3c_hsotg_epint(hsotg, ep, 0); + dwc2_hsotg_epint(hsotg, ep, 0); } for (ep = 0; ep < hsotg->num_of_eps && daint_in; ep++, daint_in >>= 1) { if (daint_in & 1) - s3c_hsotg_epint(hsotg, ep, 1); + dwc2_hsotg_epint(hsotg, ep, 1); } } @@ -2505,7 +2505,7 @@ irq_retry: writel(GINTSTS_USBRST, hsotg->regs + GINTSTS); /* Report disconnection if it is not already done. */ - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); if (usb_status & GOTGCTL_BSESVLD) { if (time_after(jiffies, hsotg->last_rst + @@ -2515,7 +2515,7 @@ irq_retry: -ECONNRESET); hsotg->lx_state = DWC2_L0; - s3c_hsotg_core_init_disconnected(hsotg, true); + dwc2_hsotg_core_init_disconnected(hsotg, true); } } } @@ -2531,8 +2531,8 @@ irq_retry: * it needs re-enabling */ - s3c_hsotg_disable_gsint(hsotg, GINTSTS_NPTXFEMP); - s3c_hsotg_irq_fifoempty(hsotg, false); + dwc2_hsotg_disable_gsint(hsotg, GINTSTS_NPTXFEMP); + dwc2_hsotg_irq_fifoempty(hsotg, false); } if (gintsts & GINTSTS_PTXFEMP) { @@ -2540,18 +2540,18 @@ irq_retry: /* See note in GINTSTS_NPTxFEmp */ - s3c_hsotg_disable_gsint(hsotg, GINTSTS_PTXFEMP); - s3c_hsotg_irq_fifoempty(hsotg, true); + dwc2_hsotg_disable_gsint(hsotg, GINTSTS_PTXFEMP); + dwc2_hsotg_irq_fifoempty(hsotg, true); } if (gintsts & GINTSTS_RXFLVL) { /* * note, since GINTSTS_RxFLvl doubles as FIFO-not-empty, - * we need to retry s3c_hsotg_handle_rx if this is still + * we need to retry dwc2_hsotg_handle_rx if this is still * set. */ - s3c_hsotg_handle_rx(hsotg); + dwc2_hsotg_handle_rx(hsotg); } if (gintsts & GINTSTS_ERLYSUSP) { @@ -2570,7 +2570,7 @@ irq_retry: writel(DCTL_CGOUTNAK, hsotg->regs + DCTL); - s3c_hsotg_dump(hsotg); + dwc2_hsotg_dump(hsotg); } if (gintsts & GINTSTS_GINNAKEFF) { @@ -2578,7 +2578,7 @@ irq_retry: writel(DCTL_CGNPINNAK, hsotg->regs + DCTL); - s3c_hsotg_dump(hsotg); + dwc2_hsotg_dump(hsotg); } /* @@ -2595,16 +2595,16 @@ irq_retry: } /** - * s3c_hsotg_ep_enable - enable the given endpoint + * dwc2_hsotg_ep_enable - enable the given endpoint * @ep: The USB endpint to configure * @desc: The USB endpoint descriptor to configure with. * * This is called from the USB gadget code's usb_ep_enable(). */ -static int s3c_hsotg_ep_enable(struct usb_ep *ep, +static int dwc2_hsotg_ep_enable(struct usb_ep *ep, const struct usb_endpoint_descriptor *desc) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hsotg = hs_ep->parent; unsigned long flags; unsigned int index = hs_ep->index; @@ -2631,7 +2631,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, mps = usb_endpoint_maxp(desc); - /* note, we handle this here instead of s3c_hsotg_set_ep_maxpacket */ + /* note, we handle this here instead of dwc2_hsotg_set_ep_maxpacket */ epctrl_reg = dir_in ? DIEPCTL(index) : DOEPCTL(index); epctrl = readl(hsotg->regs + epctrl_reg); @@ -2660,7 +2660,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, epctrl |= DXEPCTL_SNAK; /* update the endpoint state */ - s3c_hsotg_set_ep_maxpacket(hsotg, hs_ep->index, mps, dir_in); + dwc2_hsotg_set_ep_maxpacket(hsotg, hs_ep->index, mps, dir_in); /* default, set to non-periodic */ hs_ep->isochronous = 0; @@ -2752,7 +2752,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, __func__, readl(hsotg->regs + epctrl_reg)); /* enable the endpoint interrupt */ - s3c_hsotg_ctrl_epint(hsotg, index, dir_in, 1); + dwc2_hsotg_ctrl_epint(hsotg, index, dir_in, 1); error: spin_unlock_irqrestore(&hsotg->lock, flags); @@ -2760,12 +2760,12 @@ error: } /** - * s3c_hsotg_ep_disable - disable given endpoint + * dwc2_hsotg_ep_disable - disable given endpoint * @ep: The endpoint to disable. */ -static int s3c_hsotg_ep_disable(struct usb_ep *ep) +static int dwc2_hsotg_ep_disable(struct usb_ep *ep) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hsotg = hs_ep->parent; int dir_in = hs_ep->dir_in; int index = hs_ep->index; @@ -2797,7 +2797,7 @@ static int s3c_hsotg_ep_disable(struct usb_ep *ep) writel(ctrl, hsotg->regs + epctrl_reg); /* disable endpoint interrupts */ - s3c_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 0); + dwc2_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 0); /* terminate all requests with shutdown */ kill_all_requests(hsotg, hs_ep, -ESHUTDOWN); @@ -2811,9 +2811,9 @@ static int s3c_hsotg_ep_disable(struct usb_ep *ep) * @ep: The endpoint to check. * @test: The request to test if it is on the endpoint. */ -static bool on_list(struct s3c_hsotg_ep *ep, struct s3c_hsotg_req *test) +static bool on_list(struct dwc2_hsotg_ep *ep, struct dwc2_hsotg_req *test) { - struct s3c_hsotg_req *req, *treq; + struct dwc2_hsotg_req *req, *treq; list_for_each_entry_safe(req, treq, &ep->queue, queue) { if (req == test) @@ -2824,14 +2824,14 @@ static bool on_list(struct s3c_hsotg_ep *ep, struct s3c_hsotg_req *test) } /** - * s3c_hsotg_ep_dequeue - dequeue given endpoint + * dwc2_hsotg_ep_dequeue - dequeue given endpoint * @ep: The endpoint to dequeue. * @req: The request to be removed from a queue. */ -static int s3c_hsotg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) +static int dwc2_hsotg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) { - struct s3c_hsotg_req *hs_req = our_req(req); - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; unsigned long flags; @@ -2844,20 +2844,20 @@ static int s3c_hsotg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) return -EINVAL; } - s3c_hsotg_complete_request(hs, hs_ep, hs_req, -ECONNRESET); + dwc2_hsotg_complete_request(hs, hs_ep, hs_req, -ECONNRESET); spin_unlock_irqrestore(&hs->lock, flags); return 0; } /** - * s3c_hsotg_ep_sethalt - set halt on a given endpoint + * dwc2_hsotg_ep_sethalt - set halt on a given endpoint * @ep: The endpoint to set halt. * @value: Set or unset the halt. */ -static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value) +static int dwc2_hsotg_ep_sethalt(struct usb_ep *ep, int value) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; int index = hs_ep->index; u32 epreg; @@ -2868,7 +2868,7 @@ static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value) if (index == 0) { if (value) - s3c_hsotg_stall_ep0(hs); + dwc2_hsotg_stall_ep0(hs); else dev_warn(hs->dev, "%s: can't clear halt on ep0\n", __func__); @@ -2914,43 +2914,43 @@ static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value) } /** - * s3c_hsotg_ep_sethalt_lock - set halt on a given endpoint with lock held + * dwc2_hsotg_ep_sethalt_lock - set halt on a given endpoint with lock held * @ep: The endpoint to set halt. * @value: Set or unset the halt. */ -static int s3c_hsotg_ep_sethalt_lock(struct usb_ep *ep, int value) +static int dwc2_hsotg_ep_sethalt_lock(struct usb_ep *ep, int value) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; unsigned long flags = 0; int ret = 0; spin_lock_irqsave(&hs->lock, flags); - ret = s3c_hsotg_ep_sethalt(ep, value); + ret = dwc2_hsotg_ep_sethalt(ep, value); spin_unlock_irqrestore(&hs->lock, flags); return ret; } -static struct usb_ep_ops s3c_hsotg_ep_ops = { - .enable = s3c_hsotg_ep_enable, - .disable = s3c_hsotg_ep_disable, - .alloc_request = s3c_hsotg_ep_alloc_request, - .free_request = s3c_hsotg_ep_free_request, - .queue = s3c_hsotg_ep_queue_lock, - .dequeue = s3c_hsotg_ep_dequeue, - .set_halt = s3c_hsotg_ep_sethalt_lock, +static struct usb_ep_ops dwc2_hsotg_ep_ops = { + .enable = dwc2_hsotg_ep_enable, + .disable = dwc2_hsotg_ep_disable, + .alloc_request = dwc2_hsotg_ep_alloc_request, + .free_request = dwc2_hsotg_ep_free_request, + .queue = dwc2_hsotg_ep_queue_lock, + .dequeue = dwc2_hsotg_ep_dequeue, + .set_halt = dwc2_hsotg_ep_sethalt_lock, /* note, don't believe we have any call for the fifo routines */ }; /** - * s3c_hsotg_phy_enable - enable platform phy dev + * dwc2_hsotg_phy_enable - enable platform phy dev * @hsotg: The driver state * * A wrapper for platform code responsible for controlling * low-level USB code */ -static void s3c_hsotg_phy_enable(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_phy_enable(struct dwc2_hsotg *hsotg) { struct platform_device *pdev = to_platform_device(hsotg->dev); @@ -2967,13 +2967,13 @@ static void s3c_hsotg_phy_enable(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_phy_disable - disable platform phy dev + * dwc2_hsotg_phy_disable - disable platform phy dev * @hsotg: The driver state * * A wrapper for platform code responsible for controlling * low-level USB code */ -static void s3c_hsotg_phy_disable(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_phy_disable(struct dwc2_hsotg *hsotg) { struct platform_device *pdev = to_platform_device(hsotg->dev); @@ -2988,10 +2988,10 @@ static void s3c_hsotg_phy_disable(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_init - initalize the usb core + * dwc2_hsotg_init - initalize the usb core * @hsotg: The driver state */ -static void s3c_hsotg_init(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_init(struct dwc2_hsotg *hsotg) { u32 trdtim; /* unmask subset of endpoint interrupts */ @@ -3015,7 +3015,7 @@ static void s3c_hsotg_init(struct dwc2_hsotg *hsotg) readl(hsotg->regs + GRXFSIZ), readl(hsotg->regs + GNPTXFSIZ)); - s3c_hsotg_init_fifo(hsotg); + dwc2_hsotg_init_fifo(hsotg); /* set the PLL on, remove the HNP/SRP and set the PHY */ trdtim = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5; @@ -3028,14 +3028,14 @@ static void s3c_hsotg_init(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_udc_start - prepare the udc for work + * dwc2_hsotg_udc_start - prepare the udc for work * @gadget: The usb gadget state * @driver: The usb gadget driver * * Perform initialization to prepare udc device and driver * to work. */ -static int s3c_hsotg_udc_start(struct usb_gadget *gadget, +static int dwc2_hsotg_udc_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); @@ -3077,13 +3077,13 @@ static int s3c_hsotg_udc_start(struct usb_gadget *gadget, goto err; } - s3c_hsotg_phy_enable(hsotg); + dwc2_hsotg_phy_enable(hsotg); if (!IS_ERR_OR_NULL(hsotg->uphy)) otg_set_peripheral(hsotg->uphy->otg, &hsotg->gadget); spin_lock_irqsave(&hsotg->lock, flags); - s3c_hsotg_init(hsotg); - s3c_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_init(hsotg); + dwc2_hsotg_core_init_disconnected(hsotg, false); hsotg->enabled = 0; spin_unlock_irqrestore(&hsotg->lock, flags); @@ -3100,13 +3100,13 @@ err: } /** - * s3c_hsotg_udc_stop - stop the udc + * dwc2_hsotg_udc_stop - stop the udc * @gadget: The usb gadget state * @driver: The usb gadget driver * * Stop udc hw block and stay tunned for future transmissions */ -static int s3c_hsotg_udc_stop(struct usb_gadget *gadget) +static int dwc2_hsotg_udc_stop(struct usb_gadget *gadget) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); unsigned long flags = 0; @@ -3120,9 +3120,9 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget) /* all endpoints should be shutdown */ for (ep = 1; ep < hsotg->num_of_eps; ep++) { if (hsotg->eps_in[ep]) - s3c_hsotg_ep_disable(&hsotg->eps_in[ep]->ep); + dwc2_hsotg_ep_disable(&hsotg->eps_in[ep]->ep); if (hsotg->eps_out[ep]) - s3c_hsotg_ep_disable(&hsotg->eps_out[ep]->ep); + dwc2_hsotg_ep_disable(&hsotg->eps_out[ep]->ep); } spin_lock_irqsave(&hsotg->lock, flags); @@ -3135,7 +3135,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget) if (!IS_ERR_OR_NULL(hsotg->uphy)) otg_set_peripheral(hsotg->uphy->otg, NULL); - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3147,24 +3147,24 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget) } /** - * s3c_hsotg_gadget_getframe - read the frame number + * dwc2_hsotg_gadget_getframe - read the frame number * @gadget: The usb gadget state * * Read the {micro} frame number */ -static int s3c_hsotg_gadget_getframe(struct usb_gadget *gadget) +static int dwc2_hsotg_gadget_getframe(struct usb_gadget *gadget) { - return s3c_hsotg_read_frameno(to_hsotg(gadget)); + return dwc2_hsotg_read_frameno(to_hsotg(gadget)); } /** - * s3c_hsotg_pullup - connect/disconnect the USB PHY + * dwc2_hsotg_pullup - connect/disconnect the USB PHY * @gadget: The usb gadget state * @is_on: Current state of the USB PHY * * Connect/Disconnect the USB PHY pullup */ -static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on) +static int dwc2_hsotg_pullup(struct usb_gadget *gadget, int is_on) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); unsigned long flags = 0; @@ -3176,11 +3176,11 @@ static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on) if (is_on) { clk_enable(hsotg->clk); hsotg->enabled = 1; - s3c_hsotg_core_init_disconnected(hsotg, false); - s3c_hsotg_core_connect(hsotg); + dwc2_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_core_connect(hsotg); } else { - s3c_hsotg_core_disconnect(hsotg); - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_core_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); hsotg->enabled = 0; clk_disable(hsotg->clk); } @@ -3192,7 +3192,7 @@ static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on) return 0; } -static int s3c_hsotg_vbus_session(struct usb_gadget *gadget, int is_active) +static int dwc2_hsotg_vbus_session(struct usb_gadget *gadget, int is_active) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); unsigned long flags; @@ -3211,12 +3211,12 @@ static int s3c_hsotg_vbus_session(struct usb_gadget *gadget, int is_active) } /* Kill any ep0 requests as controller will be reinitialized */ kill_all_requests(hsotg, hsotg->eps_out[0], -ECONNRESET); - s3c_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_core_init_disconnected(hsotg, false); if (hsotg->enabled) - s3c_hsotg_core_connect(hsotg); + dwc2_hsotg_core_connect(hsotg); } else { - s3c_hsotg_core_disconnect(hsotg); - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_core_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); } spin_unlock_irqrestore(&hsotg->lock, flags); @@ -3224,13 +3224,13 @@ static int s3c_hsotg_vbus_session(struct usb_gadget *gadget, int is_active) } /** - * s3c_hsotg_vbus_draw - report bMaxPower field + * dwc2_hsotg_vbus_draw - report bMaxPower field * @gadget: The usb gadget state * @mA: Amount of current * * Report how much power the device may consume to the phy. */ -static int s3c_hsotg_vbus_draw(struct usb_gadget *gadget, unsigned mA) +static int dwc2_hsotg_vbus_draw(struct usb_gadget *gadget, unsigned mA) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); @@ -3239,17 +3239,17 @@ static int s3c_hsotg_vbus_draw(struct usb_gadget *gadget, unsigned mA) return usb_phy_set_power(hsotg->uphy, mA); } -static const struct usb_gadget_ops s3c_hsotg_gadget_ops = { - .get_frame = s3c_hsotg_gadget_getframe, - .udc_start = s3c_hsotg_udc_start, - .udc_stop = s3c_hsotg_udc_stop, - .pullup = s3c_hsotg_pullup, - .vbus_session = s3c_hsotg_vbus_session, - .vbus_draw = s3c_hsotg_vbus_draw, +static const struct usb_gadget_ops dwc2_hsotg_gadget_ops = { + .get_frame = dwc2_hsotg_gadget_getframe, + .udc_start = dwc2_hsotg_udc_start, + .udc_stop = dwc2_hsotg_udc_stop, + .pullup = dwc2_hsotg_pullup, + .vbus_session = dwc2_hsotg_vbus_session, + .vbus_draw = dwc2_hsotg_vbus_draw, }; /** - * s3c_hsotg_initep - initialise a single endpoint + * dwc2_hsotg_initep - initialise a single endpoint * @hsotg: The device state. * @hs_ep: The endpoint to be initialised. * @epnum: The endpoint number @@ -3258,8 +3258,8 @@ static const struct usb_gadget_ops s3c_hsotg_gadget_ops = { * creation) to give to the gadget driver. Setup the endpoint name, any * direction information and other state that may be required. */ -static void s3c_hsotg_initep(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, +static void dwc2_hsotg_initep(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, int epnum, bool dir_in) { @@ -3287,7 +3287,7 @@ static void s3c_hsotg_initep(struct dwc2_hsotg *hsotg, hs_ep->parent = hsotg; hs_ep->ep.name = hs_ep->name; usb_ep_set_maxpacket_limit(&hs_ep->ep, epnum ? 1024 : EP0_MPS_LIMIT); - hs_ep->ep.ops = &s3c_hsotg_ep_ops; + hs_ep->ep.ops = &dwc2_hsotg_ep_ops; if (epnum == 0) { hs_ep->ep.caps.type_control = true; @@ -3317,12 +3317,12 @@ static void s3c_hsotg_initep(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_hw_cfg - read HW configuration registers + * dwc2_hsotg_hw_cfg - read HW configuration registers * @param: The device state * * Read the USB core HW configuration registers */ -static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) +static int dwc2_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) { u32 cfg; u32 ep_type; @@ -3335,11 +3335,11 @@ static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) /* Add ep0 */ hsotg->num_of_eps++; - hsotg->eps_in[0] = devm_kzalloc(hsotg->dev, sizeof(struct s3c_hsotg_ep), + hsotg->eps_in[0] = devm_kzalloc(hsotg->dev, sizeof(struct dwc2_hsotg_ep), GFP_KERNEL); if (!hsotg->eps_in[0]) return -ENOMEM; - /* Same s3c_hsotg_ep is used in both directions for ep0 */ + /* Same dwc2_hsotg_ep is used in both directions for ep0 */ hsotg->eps_out[0] = hsotg->eps_in[0]; cfg = readl(hsotg->regs + GHWCFG1); @@ -3348,14 +3348,14 @@ static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) /* Direction in or both */ if (!(ep_type & 2)) { hsotg->eps_in[i] = devm_kzalloc(hsotg->dev, - sizeof(struct s3c_hsotg_ep), GFP_KERNEL); + sizeof(struct dwc2_hsotg_ep), GFP_KERNEL); if (!hsotg->eps_in[i]) return -ENOMEM; } /* Direction out or both */ if (!(ep_type & 1)) { hsotg->eps_out[i] = devm_kzalloc(hsotg->dev, - sizeof(struct s3c_hsotg_ep), GFP_KERNEL); + sizeof(struct dwc2_hsotg_ep), GFP_KERNEL); if (!hsotg->eps_out[i]) return -ENOMEM; } @@ -3375,10 +3375,10 @@ static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_dump - dump state of the udc + * dwc2_hsotg_dump - dump state of the udc * @param: The device state */ -static void s3c_hsotg_dump(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_dump(struct dwc2_hsotg *hsotg) { #ifdef DEBUG struct device *dev = hsotg->dev; @@ -3427,7 +3427,7 @@ static void s3c_hsotg_dump(struct dwc2_hsotg *hsotg) } #ifdef CONFIG_OF -static void s3c_hsotg_of_probe(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_of_probe(struct dwc2_hsotg *hsotg) { struct device_node *np = hsotg->dev->of_node; u32 len = 0; @@ -3468,7 +3468,7 @@ rx_fifo: &hsotg->g_np_g_tx_fifo_sz); } #else -static inline void s3c_hsotg_of_probe(struct dwc2_hsotg *hsotg) { } +static inline void dwc2_hsotg_of_probe(struct dwc2_hsotg *hsotg) { } #endif /** @@ -3479,7 +3479,7 @@ static inline void s3c_hsotg_of_probe(struct dwc2_hsotg *hsotg) { } int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) { struct device *dev = hsotg->dev; - struct s3c_hsotg_plat *plat = dev->platform_data; + struct dwc2_hsotg_plat *plat = dev->platform_data; int epnum; int ret; int i; @@ -3488,14 +3488,14 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) /* Set default UTMI width */ hsotg->phyif = GUSBCFG_PHYIF16; - s3c_hsotg_of_probe(hsotg); + dwc2_hsotg_of_probe(hsotg); /* Initialize to legacy fifo configuration values */ hsotg->g_rx_fifo_sz = 2048; hsotg->g_np_g_tx_fifo_sz = 1024; memcpy(&hsotg->g_tx_fifo_sz[1], p_tx_fifo, sizeof(p_tx_fifo)); /* Device tree specific probe */ - s3c_hsotg_of_probe(hsotg); + dwc2_hsotg_of_probe(hsotg); /* Dump fifo information */ dev_dbg(dev, "NonPeriodic TXFIFO size: %d\n", hsotg->g_np_g_tx_fifo_sz); @@ -3531,7 +3531,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) } hsotg->gadget.max_speed = USB_SPEED_HIGH; - hsotg->gadget.ops = &s3c_hsotg_gadget_ops; + hsotg->gadget.ops = &dwc2_hsotg_gadget_ops; hsotg->gadget.name = dev_name(dev); if (hsotg->dr_mode == USB_DR_MODE_OTG) hsotg->gadget.is_otg = 1; @@ -3548,7 +3548,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) /* regulators */ for (i = 0; i < ARRAY_SIZE(hsotg->supplies); i++) - hsotg->supplies[i].supply = s3c_hsotg_supply_names[i]; + hsotg->supplies[i].supply = dwc2_hsotg_supply_names[i]; ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3566,7 +3566,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) } /* usb phy enable */ - s3c_hsotg_phy_enable(hsotg); + dwc2_hsotg_phy_enable(hsotg); /* * Force Device mode before initialization. @@ -3581,14 +3581,14 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) */ msleep(25); - s3c_hsotg_corereset(hsotg); - ret = s3c_hsotg_hw_cfg(hsotg); + dwc2_hsotg_corereset(hsotg); + ret = dwc2_hsotg_hw_cfg(hsotg); if (ret) { dev_err(hsotg->dev, "Hardware configuration failed: %d\n", ret); goto err_clk; } - s3c_hsotg_init(hsotg); + dwc2_hsotg_init(hsotg); /* Switch back to default configuration */ __bic32(hsotg->regs + GUSBCFG, GUSBCFG_FORCEDEVMODE); @@ -3609,10 +3609,10 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) goto err_supplies; } - ret = devm_request_irq(hsotg->dev, irq, s3c_hsotg_irq, IRQF_SHARED, + ret = devm_request_irq(hsotg->dev, irq, dwc2_hsotg_irq, IRQF_SHARED, dev_name(hsotg->dev), hsotg); if (ret < 0) { - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); clk_disable_unprepare(hsotg->clk); regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3635,7 +3635,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) /* allocate EP0 request */ - hsotg->ctrl_req = s3c_hsotg_ep_alloc_request(&hsotg->eps_out[0]->ep, + hsotg->ctrl_req = dwc2_hsotg_ep_alloc_request(&hsotg->eps_out[0]->ep, GFP_KERNEL); if (!hsotg->ctrl_req) { dev_err(dev, "failed to allocate ctrl req\n"); @@ -3646,15 +3646,15 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) /* initialise the endpoints now the core has been initialised */ for (epnum = 0; epnum < hsotg->num_of_eps; epnum++) { if (hsotg->eps_in[epnum]) - s3c_hsotg_initep(hsotg, hsotg->eps_in[epnum], + dwc2_hsotg_initep(hsotg, hsotg->eps_in[epnum], epnum, 1); if (hsotg->eps_out[epnum]) - s3c_hsotg_initep(hsotg, hsotg->eps_out[epnum], + dwc2_hsotg_initep(hsotg, hsotg->eps_out[epnum], epnum, 0); } /* disable power and clock */ - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); ret = regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3667,12 +3667,12 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) if (ret) goto err_supplies; - s3c_hsotg_dump(hsotg); + dwc2_hsotg_dump(hsotg); return 0; err_supplies: - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); err_clk: clk_disable_unprepare(hsotg->clk); @@ -3680,10 +3680,10 @@ err_clk: } /** - * s3c_hsotg_remove - remove function for hsotg driver + * dwc2_hsotg_remove - remove function for hsotg driver * @pdev: The platform information for the driver */ -int s3c_hsotg_remove(struct dwc2_hsotg *hsotg) +int dwc2_hsotg_remove(struct dwc2_hsotg *hsotg) { usb_del_gadget_udc(&hsotg->gadget); clk_disable_unprepare(hsotg->clk); @@ -3691,7 +3691,7 @@ int s3c_hsotg_remove(struct dwc2_hsotg *hsotg) return 0; } -int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg) +int dwc2_hsotg_suspend(struct dwc2_hsotg *hsotg) { unsigned long flags; int ret = 0; @@ -3709,18 +3709,18 @@ int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg) spin_lock_irqsave(&hsotg->lock, flags); if (hsotg->enabled) - s3c_hsotg_core_disconnect(hsotg); - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_core_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); hsotg->gadget.speed = USB_SPEED_UNKNOWN; spin_unlock_irqrestore(&hsotg->lock, flags); - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); for (ep = 0; ep < hsotg->num_of_eps; ep++) { if (hsotg->eps_in[ep]) - s3c_hsotg_ep_disable(&hsotg->eps_in[ep]->ep); + dwc2_hsotg_ep_disable(&hsotg->eps_in[ep]->ep); if (hsotg->eps_out[ep]) - s3c_hsotg_ep_disable(&hsotg->eps_out[ep]->ep); + dwc2_hsotg_ep_disable(&hsotg->eps_out[ep]->ep); } ret = regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), @@ -3733,7 +3733,7 @@ int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg) return ret; } -int s3c_hsotg_resume(struct dwc2_hsotg *hsotg) +int dwc2_hsotg_resume(struct dwc2_hsotg *hsotg) { unsigned long flags; int ret = 0; @@ -3751,12 +3751,12 @@ int s3c_hsotg_resume(struct dwc2_hsotg *hsotg) ret = regulator_bulk_enable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); - s3c_hsotg_phy_enable(hsotg); + dwc2_hsotg_phy_enable(hsotg); spin_lock_irqsave(&hsotg->lock, flags); - s3c_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_core_init_disconnected(hsotg, false); if (hsotg->enabled) - s3c_hsotg_core_connect(hsotg); + dwc2_hsotg_core_connect(hsotg); spin_unlock_irqrestore(&hsotg->lock, flags); } mutex_unlock(&hsotg->init_mutex); |