diff options
Diffstat (limited to 'drivers/usb/gadget/omap_udc.c')
| -rw-r--r-- | drivers/usb/gadget/omap_udc.c | 510 |
1 files changed, 267 insertions, 243 deletions
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 881d74c3d96..03a7f49d207 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -135,13 +135,17 @@ static void use_ep(struct omap_ep *ep, u16 select) if (ep->bEndpointAddress & USB_DIR_IN) num |= UDC_EP_DIR; - UDC_EP_NUM_REG = num | select; + omap_writew(num | select, UDC_EP_NUM); /* when select, MUST deselect later !! */ } static inline void deselect_ep(void) { - UDC_EP_NUM_REG &= ~UDC_EP_SEL; + u16 w; + + w = omap_readw(UDC_EP_NUM); + w &= ~UDC_EP_SEL; + omap_writew(w, UDC_EP_NUM); /* 6 wait states before TX will happen */ } @@ -216,7 +220,7 @@ static int omap_ep_enable(struct usb_ep *_ep, ep->has_dma = 0; ep->lch = -1; use_ep(ep, UDC_EP_SEL); - UDC_CTRL_REG = udc->clr_halt; + omap_writew(udc->clr_halt, UDC_CTRL); ep->ackwait = 0; deselect_ep(); @@ -232,7 +236,7 @@ static int omap_ep_enable(struct usb_ep *_ep, if (desc->bmAttributes != USB_ENDPOINT_XFER_ISOC && !ep->has_dma && !(ep->bEndpointAddress & USB_DIR_IN)) { - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); ep->ackwait = 1 + ep->double_buf; } @@ -259,7 +263,7 @@ static int omap_ep_disable(struct usb_ep *_ep) nuke (ep, -ESHUTDOWN); ep->ep.maxpacket = ep->maxpacket; ep->has_dma = 0; - UDC_CTRL_REG = UDC_SET_HALT; + omap_writew(UDC_SET_HALT, UDC_CTRL); list_del_init(&ep->iso); del_timer(&ep->timer); @@ -360,13 +364,13 @@ write_packet(u8 *buf, struct omap_req *req, unsigned max) if (likely((((int)buf) & 1) == 0)) { wp = (u16 *)buf; while (max >= 2) { - UDC_DATA_REG = *wp++; + omap_writew(*wp++, UDC_DATA); max -= 2; } buf = (u8 *)wp; } while (max--) - *(volatile u8 *)&UDC_DATA_REG = *buf++; + omap_writeb(*buf++, UDC_DATA); return len; } @@ -385,13 +389,13 @@ static int write_fifo(struct omap_ep *ep, struct omap_req *req) prefetch(buf); /* PIO-IN isn't double buffered except for iso */ - ep_stat = UDC_STAT_FLG_REG; + ep_stat = omap_readw(UDC_STAT_FLG); if (ep_stat & UDC_FIFO_UNWRITABLE) return 0; count = ep->ep.maxpacket; count = write_packet(buf, req, count); - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); ep->ackwait = 1; /* last packet is often short (sometimes a zlp) */ @@ -425,13 +429,13 @@ read_packet(u8 *buf, struct omap_req *req, unsigned avail) if (likely((((int)buf) & 1) == 0)) { wp = (u16 *)buf; while (avail >= 2) { - *wp++ = UDC_DATA_REG; + *wp++ = omap_readw(UDC_DATA); avail -= 2; } buf = (u8 *)wp; } while (avail--) - *buf++ = *(volatile u8 *)&UDC_DATA_REG; + *buf++ = omap_readb(UDC_DATA); return len; } @@ -446,7 +450,7 @@ static int read_fifo(struct omap_ep *ep, struct omap_req *req) prefetchw(buf); for (;;) { - u16 ep_stat = UDC_STAT_FLG_REG; + u16 ep_stat = omap_readw(UDC_STAT_FLG); is_last = 0; if (ep_stat & FIFO_EMPTY) { @@ -460,7 +464,7 @@ static int read_fifo(struct omap_ep *ep, struct omap_req *req) if (ep_stat & UDC_FIFO_FULL) avail = ep->ep.maxpacket; else { - avail = UDC_RXFSTAT_REG; + avail = omap_readw(UDC_RXFSTAT); ep->fnf = ep->double_buf; } count = read_packet(buf, req, avail); @@ -473,7 +477,7 @@ static int read_fifo(struct omap_ep *ep, struct omap_req *req) req->req.status = -EOVERFLOW; avail -= count; while (avail--) - (void) *(volatile u8 *)&UDC_DATA_REG; + omap_readw(UDC_DATA); } } else if (req->req.length == req->req.actual) is_last = 1; @@ -491,32 +495,6 @@ static int read_fifo(struct omap_ep *ep, struct omap_req *req) /*-------------------------------------------------------------------------*/ -static inline dma_addr_t dma_csac(unsigned lch) -{ - dma_addr_t csac; - - /* omap 3.2/3.3 erratum: sometimes 0 is returned if CSAC/CDAC is - * read before the DMA controller finished disabling the channel. - */ - csac = OMAP_DMA_CSAC_REG(lch); - if (csac == 0) - csac = OMAP_DMA_CSAC_REG(lch); - return csac; -} - -static inline dma_addr_t dma_cdac(unsigned lch) -{ - dma_addr_t cdac; - - /* omap 3.2/3.3 erratum: sometimes 0 is returned if CSAC/CDAC is - * read before the DMA controller finished disabling the channel. - */ - cdac = OMAP_DMA_CDAC_REG(lch); - if (cdac == 0) - cdac = OMAP_DMA_CDAC_REG(lch); - return cdac; -} - static u16 dma_src_len(struct omap_ep *ep, dma_addr_t start) { dma_addr_t end; @@ -527,7 +505,7 @@ static u16 dma_src_len(struct omap_ep *ep, dma_addr_t start) if (cpu_is_omap15xx()) return 0; - end = dma_csac(ep->lch); + end = omap_get_dma_src_pos(ep->lch); if (end == ep->dma_counter) return 0; @@ -537,15 +515,11 @@ static u16 dma_src_len(struct omap_ep *ep, dma_addr_t start) return end - start; } -#define DMA_DEST_LAST(x) (cpu_is_omap15xx() \ - ? OMAP_DMA_CSAC_REG(x) /* really: CPC */ \ - : dma_cdac(x)) - static u16 dma_dest_len(struct omap_ep *ep, dma_addr_t start) { dma_addr_t end; - end = DMA_DEST_LAST(ep->lch); + end = omap_get_dma_dst_pos(ep->lch); if (end == ep->dma_counter) return 0; @@ -565,7 +539,7 @@ static u16 dma_dest_len(struct omap_ep *ep, dma_addr_t start) static void next_in_dma(struct omap_ep *ep, struct omap_req *req) { - u16 txdma_ctrl; + u16 txdma_ctrl, w; unsigned length = req->req.length - req->req.actual; const int sync_mode = cpu_is_omap15xx() ? OMAP_DMA_SYNC_FRAME @@ -596,14 +570,18 @@ static void next_in_dma(struct omap_ep *ep, struct omap_req *req) 0, 0); omap_start_dma(ep->lch); - ep->dma_counter = dma_csac(ep->lch); - UDC_DMA_IRQ_EN_REG |= UDC_TX_DONE_IE(ep->dma_channel); - UDC_TXDMA_REG(ep->dma_channel) = UDC_TXN_START | txdma_ctrl; + ep->dma_counter = omap_get_dma_src_pos(ep->lch); + w = omap_readw(UDC_DMA_IRQ_EN); + w |= UDC_TX_DONE_IE(ep->dma_channel); + omap_writew(w, UDC_DMA_IRQ_EN); + omap_writew(UDC_TXN_START | txdma_ctrl, UDC_TXDMA(ep->dma_channel)); req->dma_bytes = length; } static void finish_in_dma(struct omap_ep *ep, struct omap_req *req, int status) { + u16 w; + if (status == 0) { req->req.actual += req->dma_bytes; @@ -620,7 +598,9 @@ static void finish_in_dma(struct omap_ep *ep, struct omap_req *req, int status) /* tx completion */ omap_stop_dma(ep->lch); - UDC_DMA_IRQ_EN_REG &= ~UDC_TX_DONE_IE(ep->dma_channel); + w = omap_readw(UDC_DMA_IRQ_EN); + w &= ~UDC_TX_DONE_IE(ep->dma_channel); + omap_writew(w, UDC_DMA_IRQ_EN); done(ep, req, status); } @@ -628,6 +608,7 @@ static void next_out_dma(struct omap_ep *ep, struct omap_req *req) { unsigned packets = req->req.length - req->req.actual; int dma_trigger = 0; + u16 w; if (cpu_is_omap24xx()) dma_trigger = OMAP24XX_DMA(USB_W2FC_RX0, ep->dma_channel); @@ -654,12 +635,14 @@ static void next_out_dma(struct omap_ep *ep, struct omap_req *req) omap_set_dma_dest_params(ep->lch, OMAP_DMA_PORT_EMIFF, OMAP_DMA_AMODE_POST_INC, req->req.dma + req->req.actual, 0, 0); - ep->dma_counter = DMA_DEST_LAST(ep->lch); + ep->dma_counter = omap_get_dma_dst_pos(ep->lch); - UDC_RXDMA_REG(ep->dma_channel) = UDC_RXN_STOP | (packets - 1); - UDC_DMA_IRQ_EN_REG |= UDC_RX_EOT_IE(ep->dma_channel); - UDC_EP_NUM_REG = (ep->bEndpointAddress & 0xf); - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(UDC_RXN_STOP | (packets - 1), UDC_RXDMA(ep->dma_channel)); + w = omap_readw(UDC_DMA_IRQ_EN); + w |= UDC_RX_EOT_IE(ep->dma_channel); + omap_writew(w, UDC_DMA_IRQ_EN); + omap_writew(ep->bEndpointAddress & 0xf, UDC_EP_NUM); + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); omap_start_dma(ep->lch); } @@ -667,7 +650,7 @@ static void next_out_dma(struct omap_ep *ep, struct omap_req *req) static void finish_out_dma(struct omap_ep *ep, struct omap_req *req, int status, int one) { - u16 count; + u16 count, w; if (status == 0) ep->dma_counter = (u16) (req->req.dma + req->req.actual); @@ -686,13 +669,15 @@ finish_out_dma(struct omap_ep *ep, struct omap_req *req, int status, int one) return; /* rx completion */ - UDC_DMA_IRQ_EN_REG &= ~UDC_RX_EOT_IE(ep->dma_channel); + w = omap_readw(UDC_DMA_IRQ_EN); + w &= ~UDC_RX_EOT_IE(ep->dma_channel); + omap_writew(w, UDC_DMA_IRQ_EN); done(ep, req, status); } static void dma_irq(struct omap_udc *udc, u16 irq_src) { - u16 dman_stat = UDC_DMAN_STAT_REG; + u16 dman_stat = omap_readw(UDC_DMAN_STAT); struct omap_ep *ep; struct omap_req *req; @@ -706,7 +691,7 @@ static void dma_irq(struct omap_udc *udc, u16 irq_src) struct omap_req, queue); finish_in_dma(ep, req, 0); } - UDC_IRQ_SRC_REG = UDC_TXN_DONE; + omap_writew(UDC_TXN_DONE, UDC_IRQ_SRC); if (!list_empty (&ep->queue)) { req = container_of(ep->queue.next, @@ -725,7 +710,7 @@ static void dma_irq(struct omap_udc *udc, u16 irq_src) struct omap_req, queue); finish_out_dma(ep, req, 0, dman_stat & UDC_DMA_RX_SB); } - UDC_IRQ_SRC_REG = UDC_RXN_EOT; + omap_writew(UDC_RXN_EOT, UDC_IRQ_SRC); if (!list_empty (&ep->queue)) { req = container_of(ep->queue.next, @@ -739,7 +724,7 @@ static void dma_irq(struct omap_udc *udc, u16 irq_src) ep->irqs++; /* omap15xx does this unasked... */ VDBG("%s, RX_CNT irq?\n", ep->ep.name); - UDC_IRQ_SRC_REG = UDC_RXN_CNT; + omap_writew(UDC_RXN_CNT, UDC_IRQ_SRC); } } @@ -762,9 +747,9 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel) is_in = ep->bEndpointAddress & USB_DIR_IN; if (is_in) - reg = UDC_TXDMA_CFG_REG; + reg = omap_readw(UDC_TXDMA_CFG); else - reg = UDC_RXDMA_CFG_REG; + reg = omap_readw(UDC_RXDMA_CFG); reg |= UDC_DMA_REQ; /* "pulse" activated */ ep->dma_channel = 0; @@ -792,7 +777,7 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel) status = omap_request_dma(dma_channel, ep->ep.name, dma_error, ep, &ep->lch); if (status == 0) { - UDC_TXDMA_CFG_REG = reg; + omap_writew(reg, UDC_TXDMA_CFG); /* EMIFF or SDRC */ omap_set_dma_src_burst_mode(ep->lch, OMAP_DMA_DATA_BURST_4); @@ -801,7 +786,7 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel) omap_set_dma_dest_params(ep->lch, OMAP_DMA_PORT_TIPB, OMAP_DMA_AMODE_CONSTANT, - (unsigned long) io_v2p((u32)&UDC_DATA_DMA_REG), + (unsigned long) io_v2p(UDC_DATA_DMA), 0, 0); } } else { @@ -813,12 +798,12 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel) status = omap_request_dma(dma_channel, ep->ep.name, dma_error, ep, &ep->lch); if (status == 0) { - UDC_RXDMA_CFG_REG = reg; + omap_writew(reg, UDC_RXDMA_CFG); /* TIPB */ omap_set_dma_src_params(ep->lch, OMAP_DMA_PORT_TIPB, OMAP_DMA_AMODE_CONSTANT, - (unsigned long) io_v2p((u32)&UDC_DATA_DMA_REG), + (unsigned long) io_v2p(UDC_DATA_DMA), 0, 0); /* EMIFF or SDRC */ omap_set_dma_dest_burst_mode(ep->lch, @@ -834,7 +819,7 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel) /* channel type P: hw synch (fifo) */ if (cpu_class_is_omap1() && !cpu_is_omap15xx()) - OMAP1_DMA_LCH_CTRL_REG(ep->lch) = 2; + omap_set_dma_channel_mode(ep->lch, OMAP_DMA_LCH_P); } just_restart: @@ -860,7 +845,7 @@ just_restart: (is_in ? write_fifo : read_fifo)(ep, req); deselect_ep(); if (!is_in) { - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); ep->ackwait = 1 + ep->double_buf; } /* IN: 6 wait states before it'll tx */ @@ -881,7 +866,7 @@ static void dma_channel_release(struct omap_ep *ep) else req = NULL; - active = ((1 << 7) & OMAP_DMA_CCR_REG(ep->lch)) != 0; + active = omap_get_dma_active_status(ep->lch); DBG("%s release %s %cxdma%d %p\n", ep->ep.name, active ? "active" : "idle", @@ -894,23 +879,25 @@ static void dma_channel_release(struct omap_ep *ep) /* wait till current packet DMA finishes, and fifo empties */ if (ep->bEndpointAddress & USB_DIR_IN) { - UDC_TXDMA_CFG_REG = (UDC_TXDMA_CFG_REG & ~mask) | UDC_DMA_REQ; + omap_writew((omap_readw(UDC_TXDMA_CFG) & ~mask) | UDC_DMA_REQ, + UDC_TXDMA_CFG); if (req) { finish_in_dma(ep, req, -ECONNRESET); /* clear FIFO; hosts probably won't empty it */ use_ep(ep, UDC_EP_SEL); - UDC_CTRL_REG = UDC_CLR_EP; + omap_writew(UDC_CLR_EP, UDC_CTRL); deselect_ep(); } - while (UDC_TXDMA_CFG_REG & mask) + while (omap_readw(UDC_TXDMA_CFG) & mask) udelay(10); } else { - UDC_RXDMA_CFG_REG = (UDC_RXDMA_CFG_REG & ~mask) | UDC_DMA_REQ; + omap_writew((omap_readw(UDC_RXDMA_CFG) & ~mask) | UDC_DMA_REQ, + UDC_RXDMA_CFG); /* dma empties the fifo */ - while (UDC_RXDMA_CFG_REG & mask) + while (omap_readw(UDC_RXDMA_CFG) & mask) udelay(10); if (req) finish_out_dma(ep, req, -ECONNRESET, 0); @@ -997,9 +984,13 @@ omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) req->req.actual = 0; /* maybe kickstart non-iso i/o queues */ - if (is_iso) - UDC_IRQ_EN_REG |= UDC_SOF_IE; - else if (list_empty(&ep->queue) && !ep->stopped && !ep->ackwait) { + if (is_iso) { + u16 w; + + w = omap_readw(UDC_IRQ_EN); + w |= UDC_SOF_IE; + omap_writew(w, UDC_IRQ_EN); + } else if (list_empty(&ep->queue) && !ep->stopped && !ep->ackwait) { int is_in; if (ep->bEndpointAddress == 0) { @@ -1017,23 +1008,23 @@ omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) * requests to non-control endpoints */ if (udc->ep0_set_config) { - u16 irq_en = UDC_IRQ_EN_REG; + u16 irq_en = omap_readw(UDC_IRQ_EN); irq_en |= UDC_DS_CHG_IE | UDC_EP0_IE; if (!udc->ep0_reset_config) irq_en |= UDC_EPN_RX_IE | UDC_EPN_TX_IE; - UDC_IRQ_EN_REG = irq_en; + omap_writew(irq_en, UDC_IRQ_EN); } /* STATUS for zero length DATA stages is * always an IN ... even for IN transfers, * a weird case which seem to stall OMAP. */ - UDC_EP_NUM_REG = (UDC_EP_SEL|UDC_EP_DIR); - UDC_CTRL_REG = UDC_CLR_EP; - UDC_CTRL_REG = UDC_SET_FIFO_EN; - UDC_EP_NUM_REG = UDC_EP_DIR; + omap_writew(UDC_EP_SEL | UDC_EP_DIR, UDC_EP_NUM); + omap_writew(UDC_CLR_EP, UDC_CTRL); + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); + omap_writew(UDC_EP_DIR, UDC_EP_NUM); /* cleanup */ udc->ep0_pending = 0; @@ -1042,11 +1033,11 @@ omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) /* non-empty DATA stage */ } else if (is_in) { - UDC_EP_NUM_REG = UDC_EP_SEL|UDC_EP_DIR; + omap_writew(UDC_EP_SEL | UDC_EP_DIR, UDC_EP_NUM); } else { if (udc->ep0_setup) goto irq_wait; - UDC_EP_NUM_REG = UDC_EP_SEL; + omap_writew(UDC_EP_SEL, UDC_EP_NUM); } } else { is_in = ep->bEndpointAddress & USB_DIR_IN; @@ -1062,7 +1053,7 @@ omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) req = NULL; deselect_ep(); if (!is_in) { - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); ep->ackwait = 1 + ep->double_buf; } /* IN: 6 wait states before it'll tx */ @@ -1130,9 +1121,9 @@ static int omap_ep_set_halt(struct usb_ep *_ep, int value) else if (value) { if (ep->udc->ep0_set_config) { WARN("error changing config?\n"); - UDC_SYSCON2_REG = UDC_CLR_CFG; + omap_writew(UDC_CLR_CFG, UDC_SYSCON2); } - UDC_SYSCON2_REG = UDC_STALL_CMD; + omap_writew(UDC_STALL_CMD, UDC_SYSCON2); ep->udc->ep0_pending = 0; status = 0; } else /* NOP */ @@ -1159,8 +1150,8 @@ static int omap_ep_set_halt(struct usb_ep *_ep, int value) channel = 0; use_ep(ep, UDC_EP_SEL); - if (UDC_STAT_FLG_REG & UDC_NON_ISO_FIFO_EMPTY) { - UDC_CTRL_REG = UDC_SET_HALT; + if (omap_readw(UDC_STAT_FLG) & UDC_NON_ISO_FIFO_EMPTY) { + omap_writew(UDC_SET_HALT, UDC_CTRL); status = 0; } else status = -EAGAIN; @@ -1170,10 +1161,10 @@ static int omap_ep_set_halt(struct usb_ep *_ep, int value) dma_channel_claim(ep, channel); } else { use_ep(ep, 0); - UDC_CTRL_REG = ep->udc->clr_halt; + omap_writew(ep->udc->clr_halt, UDC_CTRL); ep->ackwait = 0; if (!(ep->bEndpointAddress & USB_DIR_IN)) { - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); ep->ackwait = 1 + ep->double_buf; } } @@ -1205,7 +1196,7 @@ static struct usb_ep_ops omap_ep_ops = { static int omap_get_frame(struct usb_gadget *gadget) { - u16 sof = UDC_SOF_REG; + u16 sof = omap_readw(UDC_SOF); return (sof & UDC_TS_OK) ? (sof & UDC_TS) : -EL2NSYNC; } @@ -1224,7 +1215,7 @@ static int omap_wakeup(struct usb_gadget *gadget) */ if (udc->devstat & (UDC_B_HNP_ENABLE|UDC_R_WK_OK)) { DBG("remote wakeup...\n"); - UDC_SYSCON2_REG = UDC_RMT_WKP; + omap_writew(UDC_RMT_WKP, UDC_SYSCON2); retval = 0; } @@ -1247,12 +1238,12 @@ omap_set_selfpowered(struct usb_gadget *gadget, int is_selfpowered) udc = container_of(gadget, struct omap_udc, gadget); spin_lock_irqsave(&udc->lock, flags); - syscon1 = UDC_SYSCON1_REG; + syscon1 = omap_readw(UDC_SYSCON1); if (is_selfpowered) syscon1 |= UDC_SELF_PWR; else syscon1 &= ~UDC_SELF_PWR; - UDC_SYSCON1_REG = syscon1; + omap_writew(syscon1, UDC_SYSCON1); spin_unlock_irqrestore(&udc->lock, flags); return 0; @@ -1265,18 +1256,36 @@ static int can_pullup(struct omap_udc *udc) static void pullup_enable(struct omap_udc *udc) { - UDC_SYSCON1_REG |= UDC_PULLUP_EN; - if (!gadget_is_otg(&udc->gadget) && !cpu_is_omap15xx()) - OTG_CTRL_REG |= OTG_BSESSVLD; - UDC_IRQ_EN_REG = UDC_DS_CHG_IE; + u16 w; + + w = omap_readw(UDC_SYSCON1); + w |= UDC_PULLUP_EN; + omap_writew(w, UDC_SYSCON1); + if (!gadget_is_otg(&udc->gadget) && !cpu_is_omap15xx()) { + u32 l; + + l = omap_readl(OTG_CTRL); + l |= OTG_BSESSVLD; + omap_writel(l, OTG_CTRL); + } + omap_writew(UDC_DS_CHG_IE, UDC_IRQ_EN); } static void pullup_disable(struct omap_udc *udc) { - if (!gadget_is_otg(&udc->gadget) && !cpu_is_omap15xx()) - OTG_CTRL_REG &= ~OTG_BSESSVLD; - UDC_IRQ_EN_REG = UDC_DS_CHG_IE; - UDC_SYSCON1_REG &= ~UDC_PULLUP_EN; + u16 w; + + if (!gadget_is_otg(&udc->gadget) && !cpu_is_omap15xx()) { + u32 l; + + l = omap_readl(OTG_CTRL); + l &= ~OTG_BSESSVLD; + omap_writel(l, OTG_CTRL); + } + omap_writew(UDC_DS_CHG_IE, UDC_IRQ_EN); + w = omap_readw(UDC_SYSCON1); + w &= ~UDC_PULLUP_EN; + omap_writew(w, UDC_SYSCON1); } static struct omap_udc *udc; @@ -1304,6 +1313,7 @@ static int omap_vbus_session(struct usb_gadget *gadget, int is_active) { struct omap_udc *udc; unsigned long flags; + u32 l; udc = container_of(gadget, struct omap_udc, gadget); spin_lock_irqsave(&udc->lock, flags); @@ -1311,10 +1321,12 @@ static int omap_vbus_session(struct usb_gadget *gadget, int is_active) udc->vbus_active = (is_active != 0); if (cpu_is_omap15xx()) { /* "software" detect, ignored if !VBUS_MODE_1510 */ + l = omap_readl(FUNC_MUX_CTRL_0); if (is_active) - FUNC_MUX_CTRL_0_REG |= VBUS_CTRL_1510; + l |= VBUS_CTRL_1510; else - FUNC_MUX_CTRL_0_REG &= ~VBUS_CTRL_1510; + l &= ~VBUS_CTRL_1510; + omap_writel(l, FUNC_MUX_CTRL_0); } if (udc->dc_clk != NULL && is_active) { if (!udc->clk_requested) { @@ -1384,9 +1396,9 @@ static void nuke(struct omap_ep *ep, int status) dma_channel_release(ep); use_ep(ep, 0); - UDC_CTRL_REG = UDC_CLR_EP; + omap_writew(UDC_CLR_EP, UDC_CTRL); if (ep->bEndpointAddress && ep->bmAttributes != USB_ENDPOINT_XFER_ISOC) - UDC_CTRL_REG = UDC_SET_HALT; + omap_writew(UDC_SET_HALT, UDC_CTRL); while (!list_empty(&ep->queue)) { req = list_entry(ep->queue.next, struct omap_req, queue); @@ -1414,8 +1426,8 @@ static void update_otg(struct omap_udc *udc) if (!gadget_is_otg(&udc->gadget)) return; - if (OTG_CTRL_REG & OTG_ID) - devstat = UDC_DEVSTAT_REG; + if (omap_readl(OTG_CTRL) & OTG_ID) + devstat = omap_readw(UDC_DEVSTAT); else devstat = 0; @@ -1426,9 +1438,14 @@ static void update_otg(struct omap_udc *udc) /* Enable HNP early, avoiding races on suspend irq path. * ASSUMES OTG state machine B_BUS_REQ input is true. */ - if (udc->gadget.b_hnp_enable) - OTG_CTRL_REG = (OTG_CTRL_REG | OTG_B_HNPEN | OTG_B_BUSREQ) - & ~OTG_PULLUP; + if (udc->gadget.b_hnp_enable) { + u32 l; + + l = omap_readl(OTG_CTRL); + l |= OTG_B_HNPEN | OTG_B_BUSREQ; + l &= ~OTG_PULLUP; + omap_writel(l, OTG_CTRL); + } } static void ep0_irq(struct omap_udc *udc, u16 irq_src) @@ -1446,7 +1463,7 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) nuke(ep0, 0); if (ack) { - UDC_IRQ_SRC_REG = ack; + omap_writew(ack, UDC_IRQ_SRC); irq_src = UDC_SETUP; } } @@ -1466,9 +1483,9 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) if (irq_src & UDC_EP0_TX) { int stat; - UDC_IRQ_SRC_REG = UDC_EP0_TX; - UDC_EP_NUM_REG = UDC_EP_SEL|UDC_EP_DIR; - stat = UDC_STAT_FLG_REG; + omap_writew(UDC_EP0_TX, UDC_IRQ_SRC); + omap_writew(UDC_EP_SEL|UDC_EP_DIR, UDC_EP_NUM); + stat = omap_readw(UDC_STAT_FLG); if (stat & UDC_ACK) { if (udc->ep0_in) { /* write next IN packet from response, @@ -1476,26 +1493,26 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) */ if (req) stat = write_fifo(ep0, req); - UDC_EP_NUM_REG = UDC_EP_DIR; + omap_writew(UDC_EP_DIR, UDC_EP_NUM); if (!req && udc->ep0_pending) { - UDC_EP_NUM_REG = UDC_EP_SEL; - UDC_CTRL_REG = UDC_CLR_EP; - UDC_CTRL_REG = UDC_SET_FIFO_EN; - UDC_EP_NUM_REG = 0; + omap_writew(UDC_EP_SEL, UDC_EP_NUM); + omap_writew(UDC_CLR_EP, UDC_CTRL); + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); + omap_writew(0, UDC_EP_NUM); udc->ep0_pending = 0; } /* else: 6 wait states before it'll tx */ } else { /* ack status stage of OUT transfer */ - UDC_EP_NUM_REG = UDC_EP_DIR; + omap_writew(UDC_EP_DIR, UDC_EP_NUM); if (req) done(ep0, req, 0); } req = NULL; } else if (stat & UDC_STALL) { - UDC_CTRL_REG = UDC_CLR_HALT; - UDC_EP_NUM_REG = UDC_EP_DIR; + omap_writew(UDC_CLR_HALT, UDC_CTRL); + omap_writew(UDC_EP_DIR, UDC_EP_NUM); } else { - UDC_EP_NUM_REG = UDC_EP_DIR; + omap_writew(UDC_EP_DIR, UDC_EP_NUM); } } @@ -1503,9 +1520,9 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) if (irq_src & UDC_EP0_RX) { int stat; - UDC_IRQ_SRC_REG = UDC_EP0_RX; - UDC_EP_NUM_REG = UDC_EP_SEL; - stat = UDC_STAT_FLG_REG; + omap_writew(UDC_EP0_RX, UDC_IRQ_SRC); + omap_writew(UDC_EP_SEL, UDC_EP_NUM); + stat = omap_readw(UDC_STAT_FLG); if (stat & UDC_ACK) { if (!udc->ep0_in) { stat = 0; @@ -1513,34 +1530,35 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) * reactiviting the fifo; stall on errors. */ if (!req || (stat = read_fifo(ep0, req)) < 0) { - UDC_SYSCON2_REG = UDC_STALL_CMD; + omap_writew(UDC_STALL_CMD, UDC_SYSCON2); udc->ep0_pending = 0; stat = 0; } else if (stat == 0) - UDC_CTRL_REG = UDC_SET_FIFO_EN; - UDC_EP_NUM_REG = 0; + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); + omap_writew(0, UDC_EP_NUM); /* activate status stage */ if (stat == 1) { done(ep0, req, 0); /* that may have STALLed ep0... */ - UDC_EP_NUM_REG = UDC_EP_SEL|UDC_EP_DIR; - UDC_CTRL_REG = UDC_CLR_EP; - UDC_CTRL_REG = UDC_SET_FIFO_EN; - UDC_EP_NUM_REG = UDC_EP_DIR; + omap_writew(UDC_EP_SEL | UDC_EP_DIR, + UDC_EP_NUM); + omap_writew(UDC_CLR_EP, UDC_CTRL); + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); + omap_writew(UDC_EP_DIR, UDC_EP_NUM); udc->ep0_pending = 0; } } else { /* ack status stage of IN transfer */ - UDC_EP_NUM_REG = 0; + omap_writew(0, UDC_EP_NUM); if (req) done(ep0, req, 0); } } else if (stat & UDC_STALL) { - UDC_CTRL_REG = UDC_CLR_HALT; - UDC_EP_NUM_REG = 0; + omap_writew(UDC_CLR_HALT, UDC_CTRL); + omap_writew(0, UDC_EP_NUM); } else { - UDC_EP_NUM_REG = 0; + omap_writew(0, UDC_EP_NUM); } } @@ -1555,14 +1573,14 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) /* read the (latest) SETUP message */ do { - UDC_EP_NUM_REG = UDC_SETUP_SEL; + omap_writew(UDC_SETUP_SEL, UDC_EP_NUM); /* two bytes at a time */ - u.word[0] = UDC_DATA_REG; - u.word[1] = UDC_DATA_REG; - u.word[2] = UDC_DATA_REG; - u.word[3] = UDC_DATA_REG; - UDC_EP_NUM_REG = 0; - } while (UDC_IRQ_SRC_REG & UDC_SETUP); + u.word[0] = omap_readw(UDC_DATA); + u.word[1] = omap_readw(UDC_DATA); + u.word[2] = omap_readw(UDC_DATA); + u.word[3] = omap_readw(UDC_DATA); + omap_writew(0, UDC_EP_NUM); + } while (omap_readw(UDC_IRQ_SRC) & UDC_SETUP); #define w_value le16_to_cpu(u.r.wValue) #define w_index le16_to_cpu(u.r.wIndex) @@ -1593,9 +1611,9 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) * later if it fails the request. */ if (udc->ep0_reset_config) - UDC_SYSCON2_REG = UDC_CLR_CFG; + omap_writew(UDC_CLR_CFG, UDC_SYSCON2); else - UDC_SYSCON2_REG = UDC_DEV_CFG; + omap_writew(UDC_DEV_CFG, UDC_SYSCON2); update_otg(udc); goto delegate; case USB_REQ_CLEAR_FEATURE: @@ -1613,10 +1631,10 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) || !ep->desc) goto do_stall; use_ep(ep, 0); - UDC_CTRL_REG = udc->clr_halt; + omap_writew(udc->clr_halt, UDC_CTRL); ep->ackwait = 0; if (!(ep->bEndpointAddress & USB_DIR_IN)) { - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); ep->ackwait = 1 + ep->double_buf; } /* NOTE: assumes the host behaves sanely, @@ -1649,15 +1667,15 @@ static void ep0_irq(struct omap_udc *udc, u16 irq_src) } use_ep(ep, 0); /* can't halt if fifo isn't empty... */ - UDC_CTRL_REG = UDC_CLR_EP; - UDC_CTRL_REG = UDC_SET_HALT; + omap_writew(UDC_CLR_EP, UDC_CTRL); + omap_writew(UDC_SET_HALT, UDC_CTRL); VDBG("%s halted by host\n", ep->name); ep0out_status_stage: status = 0; - UDC_EP_NUM_REG = UDC_EP_SEL|UDC_EP_DIR; - UDC_CTRL_REG = UDC_CLR_EP; - UDC_CTRL_REG = UDC_SET_FIFO_EN; - UDC_EP_NUM_REG = UDC_EP_DIR; + omap_writew(UDC_EP_SEL|UDC_EP_DIR, UDC_EP_NUM); + omap_writew(UDC_CLR_EP, UDC_CTRL); + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); + omap_writew(UDC_EP_DIR, UDC_EP_NUM); udc->ep0_pending = 0; break; case USB_REQ_GET_STATUS: @@ -1694,10 +1712,10 @@ intf_status: zero_status: /* return two zero bytes */ - UDC_EP_NUM_REG = UDC_EP_SEL|UDC_EP_DIR; - UDC_DATA_REG = 0; - UDC_CTRL_REG = UDC_SET_FIFO_EN; - UDC_EP_NUM_REG = UDC_EP_DIR; + omap_writew(UDC_EP_SEL|UDC_EP_DIR, UDC_EP_NUM); + omap_writew(0, UDC_DATA); + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); + omap_writew(UDC_EP_DIR, UDC_EP_NUM); status = 0; VDBG("GET_STATUS, interface %d\n", w_index); /* next, status stage */ @@ -1706,8 +1724,8 @@ zero_status: delegate: /* activate the ep0out fifo right away */ if (!udc->ep0_in && w_length) { - UDC_EP_NUM_REG = 0; - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(0, UDC_EP_NUM); + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); } /* gadget drivers see class/vendor specific requests, @@ -1748,9 +1766,9 @@ do_stall: if (udc->ep0_reset_config) WARN("error resetting config?\n"); else - UDC_SYSCON2_REG = UDC_CLR_CFG; + omap_writew(UDC_CLR_CFG, UDC_SYSCON2); } - UDC_SYSCON2_REG = UDC_STALL_CMD; + omap_writew(UDC_STALL_CMD, UDC_SYSCON2); udc->ep0_pending = 0; } } @@ -1764,7 +1782,7 @@ static void devstate_irq(struct omap_udc *udc, u16 irq_src) { u16 devstat, change; - devstat = UDC_DEVSTAT_REG; + devstat = omap_readw(UDC_DEVSTAT); change = devstat ^ udc->devstat; udc->devstat = devstat; @@ -1804,7 +1822,8 @@ static void devstate_irq(struct omap_udc *udc, u16 irq_src) INFO("USB reset done, gadget %s\n", udc->driver->driver.name); /* ep0 traffic is legal from now on */ - UDC_IRQ_EN_REG = UDC_DS_CHG_IE | UDC_EP0_IE; + omap_writew(UDC_DS_CHG_IE | UDC_EP0_IE, + UDC_IRQ_EN); } change &= ~UDC_USB_RESET; } @@ -1848,7 +1867,7 @@ static void devstate_irq(struct omap_udc *udc, u16 irq_src) VDBG("devstat %03x, ignore change %03x\n", devstat, change); - UDC_IRQ_SRC_REG = UDC_DS_CHG; + omap_writew(UDC_DS_CHG, UDC_IRQ_SRC); } static irqreturn_t omap_udc_irq(int irq, void *_udc) @@ -1859,7 +1878,7 @@ static irqreturn_t omap_udc_irq(int irq, void *_udc) unsigned long flags; spin_lock_irqsave(&udc->lock, flags); - irq_src = UDC_IRQ_SRC_REG; + irq_src = omap_readw(UDC_IRQ_SRC); /* Device state change (usb ch9 stuff) */ if (irq_src & UDC_DS_CHG) { @@ -1882,7 +1901,7 @@ static irqreturn_t omap_udc_irq(int irq, void *_udc) irq_src &= ~(UDC_TXN_DONE|UDC_RXN_CNT|UDC_RXN_EOT); } - irq_src &= ~(UDC_SOF|UDC_EPN_TX|UDC_EPN_RX); + irq_src &= ~(UDC_IRQ_SOF | UDC_EPN_TX|UDC_EPN_RX); if (irq_src) DBG("udc_irq, unhandled %03x\n", irq_src); spin_unlock_irqrestore(&udc->lock, flags); @@ -1903,7 +1922,7 @@ static void pio_out_timer(unsigned long _ep) spin_lock_irqsave(&ep->udc->lock, flags); if (!list_empty(&ep->queue) && ep->ackwait) { use_ep(ep, UDC_EP_SEL); - stat_flg = UDC_STAT_FLG_REG; + stat_flg = omap_readw(UDC_STAT_FLG); if ((stat_flg & UDC_ACK) && (!(stat_flg & UDC_FIFO_EN) || (ep->double_buf && HALF_FULL(stat_flg)))) { @@ -1913,8 +1932,8 @@ static void pio_out_timer(unsigned long _ep) req = container_of(ep->queue.next, struct omap_req, queue); (void) read_fifo(ep, req); - UDC_EP_NUM_REG = ep->bEndpointAddress; - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(ep->bEndpointAddress, UDC_EP_NUM); + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); ep->ackwait = 1 + ep->double_buf; } else deselect_ep(); @@ -1934,20 +1953,20 @@ static irqreturn_t omap_udc_pio_irq(int irq, void *_dev) unsigned long flags; spin_lock_irqsave(&udc->lock, flags); - epn_stat = UDC_EPN_STAT_REG; - irq_src = UDC_IRQ_SRC_REG; + epn_stat = omap_readw(UDC_EPN_STAT); + irq_src = omap_readw(UDC_IRQ_SRC); /* handle OUT first, to avoid some wasteful NAKs */ if (irq_src & UDC_EPN_RX) { epnum = (epn_stat >> 8) & 0x0f; - UDC_IRQ_SRC_REG = UDC_EPN_RX; + omap_writew(UDC_EPN_RX, UDC_IRQ_SRC); status = IRQ_HANDLED; ep = &udc->ep[epnum]; ep->irqs++; - UDC_EP_NUM_REG = epnum | UDC_EP_SEL; + omap_writew(epnum | UDC_EP_SEL, UDC_EP_NUM); ep->fnf = 0; - if ((UDC_STAT_FLG_REG & UDC_ACK)) { + if (omap_readw(UDC_STAT_FLG) & UDC_ACK) { ep->ackwait--; if (!list_empty(&ep->queue)) { int stat; @@ -1959,15 +1978,15 @@ static irqreturn_t omap_udc_pio_irq(int irq, void *_dev) } } /* min 6 clock delay before clearing EP_SEL ... */ - epn_stat = UDC_EPN_STAT_REG; - epn_stat = UDC_EPN_STAT_REG; - UDC_EP_NUM_REG = epnum; + epn_stat = omap_readw(UDC_EPN_STAT); + epn_stat = omap_readw(UDC_EPN_STAT); + omap_writew(epnum, UDC_EP_NUM); /* enabling fifo _after_ clearing ACK, contrary to docs, * reduces lossage; timer still needed though (sigh). */ if (ep->fnf) { - UDC_CTRL_REG = UDC_SET_FIFO_EN; + omap_writew(UDC_SET_FIFO_EN, UDC_CTRL); ep->ackwait = 1 + ep->double_buf; } mod_timer(&ep->timer, PIO_OUT_TIMEOUT); @@ -1976,13 +1995,13 @@ static irqreturn_t omap_udc_pio_irq(int irq, void *_dev) /* then IN transfers */ else if (irq_src & UDC_EPN_TX) { epnum = epn_stat & 0x0f; - UDC_IRQ_SRC_REG = UDC_EPN_TX; + omap_writew(UDC_EPN_TX, UDC_IRQ_SRC); status = IRQ_HANDLED; ep = &udc->ep[16 + epnum]; ep->irqs++; - UDC_EP_NUM_REG = epnum | UDC_EP_DIR | UDC_EP_SEL; - if ((UDC_STAT_FLG_REG & UDC_ACK)) { + omap_writew(epnum | UDC_EP_DIR | UDC_EP_SEL, UDC_EP_NUM); + if (omap_readw(UDC_STAT_FLG) & UDC_ACK) { ep->ackwait = 0; if (!list_empty(&ep->queue)) { req = container_of(ep->queue.next, @@ -1991,9 +2010,9 @@ static irqreturn_t omap_udc_pio_irq(int irq, void *_dev) } } /* min 6 clock delay before clearing EP_SEL ... */ - epn_stat = UDC_EPN_STAT_REG; - epn_stat = UDC_EPN_STAT_REG; - UDC_EP_NUM_REG = epnum | UDC_EP_DIR; + epn_stat = omap_readw(UDC_EPN_STAT); + epn_stat = omap_readw(UDC_EPN_STAT); + omap_writew(epnum | UDC_EP_DIR, UDC_EP_NUM); /* then 6 clocks before it'd tx */ } @@ -2021,7 +2040,7 @@ static irqreturn_t omap_udc_iso_irq(int irq, void *_dev) req = list_entry(ep->queue.next, struct omap_req, queue); use_ep(ep, UDC_EP_SEL); - stat = UDC_STAT_FLG_REG; + stat = omap_readw(UDC_STAT_FLG); /* NOTE: like the other controller drivers, this isn't * currently reporting lost or damaged frames. @@ -2053,9 +2072,14 @@ static irqreturn_t omap_udc_iso_irq(int irq, void *_dev) if (!list_empty(&ep->queue)) pending = 1; } - if (!pending) - UDC_IRQ_EN_REG &= ~UDC_SOF_IE; - UDC_IRQ_SRC_REG = UDC_SOF; + if (!pending) { + u16 w; + + w = omap_readw(UDC_IRQ_EN); + w &= ~UDC_SOF_IE; + omap_writew(w, UDC_IRQ_EN); + } + omap_writew(UDC_IRQ_SOF, UDC_IRQ_SRC); spin_unlock_irqrestore(&udc->lock, flags); return IRQ_HANDLED; @@ -2104,7 +2128,7 @@ int usb_gadget_register_driver (struct usb_gadget_driver *driver) if (ep->bmAttributes == USB_ENDPOINT_XFER_ISOC) continue; use_ep(ep, 0); - UDC_CTRL_REG = UDC_SET_HALT; + omap_writew(UDC_SET_HALT, UDC_CTRL); } udc->ep0_pending = 0; udc->ep[0].irqs = 0; @@ -2128,7 +2152,7 @@ int usb_gadget_register_driver (struct usb_gadget_driver *driver) } DBG("bound to driver %s\n", driver->driver.name); - UDC_IRQ_SRC_REG = UDC_IRQ_SRC_MASK; + omap_writew(UDC_IRQ_SRC_MASK, UDC_IRQ_SRC); /* connect to bus through transceiver */ if (udc->transceiver) { @@ -2225,7 +2249,7 @@ static void proc_ep_show(struct seq_file *s, struct omap_ep *ep) else buf[0] = 0; - stat_flg = UDC_STAT_FLG_REG; + stat_flg = omap_readw(UDC_STAT_FLG); seq_printf(s, "\n%s %s%s%sirqs %ld stat %04x " EIGHTBITS FOURBITS "%s\n", ep->name, buf, @@ -2292,11 +2316,11 @@ static int proc_otg_show(struct seq_file *s) trans = CONTROL_DEVCONF_REG; } else { ctrl_name = "tranceiver_ctrl"; - trans = USB_TRANSCEIVER_CTRL_REG; + trans = omap_readw(USB_TRANSCEIVER_CTRL); } seq_printf(s, "\nOTG rev %d.%d, %s %05x\n", tmp >> 4, tmp & 0xf, ctrl_name, trans); - tmp = OTG_SYSCON_1_REG; + tmp = omap_readw(OTG_SYSCON_1); seq_printf(s, "otg_syscon1 %08x usb2 %s, usb1 %s, usb0 %s," FOURBITS "\n", tmp, trx_mode(USB2_TRX_MODE(tmp), trans & CONF_USB2_UNI_R), @@ -2308,7 +2332,7 @@ static int proc_otg_show(struct seq_file *s) (tmp & HST_IDLE_EN) ? " !host" : "", (tmp & DEV_IDLE_EN) ? " !dev" : "", (tmp & OTG_RESET_DONE) ? " reset_done" : " reset_active"); - tmp = OTG_SYSCON_2_REG; + tmp = omap_readl(OTG_SYSCON_2); seq_printf(s, "otg_syscon2 %08x%s" EIGHTBITS " b_ase_brst=%d hmc=%d\n", tmp, (tmp & OTG_EN) ? " otg_en" : "", @@ -2323,7 +2347,7 @@ static int proc_otg_show(struct seq_file *s) (tmp & HMC_TLLATTACH) ? " tllattach" : "", B_ASE_BRST(tmp), OTG_HMC(tmp)); - tmp = OTG_CTRL_REG; + tmp = omap_readl(OTG_CTRL); seq_printf(s, "otg_ctrl %06x" EIGHTBITS EIGHTBITS "%s\n", tmp, (tmp & OTG_ASESSVLD) ? " asess" : "", (tmp & OTG_BSESSEND) ? " bsess_end" : "", @@ -2343,13 +2367,13 @@ static int proc_otg_show(struct seq_file *s) (tmp & OTG_PU_VBUS) ? " pu_vb" : "", (tmp & OTG_PU_ID) ? " pu_id" : "" ); - tmp = OTG_IRQ_EN_REG; + tmp = omap_readw(OTG_IRQ_EN); seq_printf(s, "otg_irq_en %04x" "\n", tmp); - tmp = OTG_IRQ_SRC_REG; + tmp = omap_readw(OTG_IRQ_SRC); seq_printf(s, "otg_irq_src %04x" "\n", tmp); - tmp = OTG_OUTCTRL_REG; + tmp = omap_readw(OTG_OUTCTRL); seq_printf(s, "otg_outctrl %04x" "\n", tmp); - tmp = OTG_TEST_REG; + tmp = omap_readw(OTG_TEST); seq_printf(s, "otg_test %04x" "\n", tmp); return 0; } @@ -2370,7 +2394,7 @@ static int proc_udc_show(struct seq_file *s, void *_) driver_desc, use_dma ? " (dma)" : ""); - tmp = UDC_REV_REG & 0xff; + tmp = omap_readw(UDC_REV) & 0xff; seq_printf(s, "UDC rev %d.%d, fifo mode %d, gadget %s\n" "hmc %d, transceiver %s\n", @@ -2384,16 +2408,16 @@ static int proc_udc_show(struct seq_file *s, void *_) ? "external" : "(none)")); if (cpu_class_is_omap1()) { seq_printf(s, "ULPD control %04x req %04x status %04x\n", - __REG16(ULPD_CLOCK_CTRL), - __REG16(ULPD_SOFT_REQ), - __REG16(ULPD_STATUS_REQ)); + omap_readw(ULPD_CLOCK_CTRL), + omap_readw(ULPD_SOFT_REQ), + omap_readw(ULPD_STATUS_REQ)); } /* OTG controller registers */ if (!cpu_is_omap15xx()) proc_otg_show(s); - tmp = UDC_SYSCON1_REG; + tmp = omap_readw(UDC_SYSCON1); seq_printf(s, "\nsyscon1 %04x" EIGHTBITS "\n", tmp, (tmp & UDC_CFG_LOCK) ? " cfg_lock" : "", (tmp & UDC_DATA_ENDIAN) ? " data_endian" : "", @@ -2412,7 +2436,7 @@ static int proc_udc_show(struct seq_file *s, void *_) return 0; } - tmp = UDC_DEVSTAT_REG; + tmp = omap_readw(UDC_DEVSTAT); seq_printf(s, "devstat %04x" EIGHTBITS "%s%s\n", tmp, (tmp & UDC_B_HNP_ENABLE) ? " b_hnp" : "", (tmp & UDC_A_HNP_SUPPORT) ? " a_hnp" : "", @@ -2424,20 +2448,20 @@ static int proc_udc_show(struct seq_file *s, void *_) (tmp & UDC_ADD) ? " ADD" : "", (tmp & UDC_DEF) ? " DEF" : "", (tmp & UDC_ATT) ? " ATT" : ""); - seq_printf(s, "sof %04x\n", UDC_SOF_REG); - tmp = UDC_IRQ_EN_REG; + seq_printf(s, "sof %04x\n", omap_readw(UDC_SOF)); + tmp = omap_readw(UDC_IRQ_EN); seq_printf(s, "irq_en %04x" FOURBITS "%s\n", tmp, (tmp & UDC_SOF_IE) ? " sof" : "", (tmp & UDC_EPN_RX_IE) ? " epn_rx" : "", (tmp & UDC_EPN_TX_IE) ? " epn_tx" : "", (tmp & UDC_DS_CHG_IE) ? " ds_chg" : "", (tmp & UDC_EP0_IE) ? " ep0" : ""); - tmp = UDC_IRQ_SRC_REG; + tmp = omap_readw(UDC_IRQ_SRC); seq_printf(s, "irq_src %04x" EIGHTBITS "%s%s\n", tmp, (tmp & UDC_TXN_DONE) ? " txn_done" : "", (tmp & UDC_RXN_CNT) ? " rxn_cnt" : "", (tmp & UDC_RXN_EOT) ? " rxn_eot" : "", - (tmp & UDC_SOF) ? " sof" : "", + (tmp & UDC_IRQ_SOF) ? " sof" : "", (tmp & UDC_EPN_RX) ? " epn_rx" : "", (tmp & UDC_EPN_TX) ? " epn_tx" : "", (tmp & UDC_DS_CHG) ? " ds_chg" : "", @@ -2447,7 +2471,7 @@ static int proc_udc_show(struct seq_file *s, void *_) if (use_dma) { unsigned i; - tmp = UDC_DMA_IRQ_EN_REG; + tmp = omap_readw(UDC_DMA_IRQ_EN); seq_printf(s, "dma_irq_en %04x%s" EIGHTBITS "\n", tmp, (tmp & UDC_TX_DONE_IE(3)) ? " tx2_done" : "", (tmp & UDC_RX_CNT_IE(3)) ? " rx2_cnt" : "", @@ -2461,29 +2485,29 @@ static int proc_udc_show(struct seq_file *s, void *_) (tmp & UDC_RX_CNT_IE(1)) ? " rx0_cnt" : "", (tmp & UDC_RX_EOT_IE(1)) ? " rx0_eot" : ""); - tmp = UDC_RXDMA_CFG_REG; + tmp = omap_readw(UDC_RXDMA_CFG); seq_printf(s, "rxdma_cfg %04x\n", tmp); if (tmp) { for (i = 0; i < 3; i++) { if ((tmp & (0x0f << (i * 4))) == 0) continue; seq_printf(s, "rxdma[%d] %04x\n", i, - UDC_RXDMA_REG(i + 1)); + omap_readw(UDC_RXDMA(i + 1))); } } - tmp = UDC_TXDMA_CFG_REG; + tmp = omap_readw(UDC_TXDMA_CFG); seq_printf(s, "txdma_cfg %04x\n", tmp); if (tmp) { for (i = 0; i < 3; i++) { if (!(tmp & (0x0f << (i * 4)))) continue; seq_printf(s, "txdma[%d] %04x\n", i, - UDC_TXDMA_REG(i + 1)); + omap_readw(UDC_TXDMA(i + 1))); } } } - tmp = UDC_DEVSTAT_REG; + tmp = omap_readw(UDC_DEVSTAT); if (tmp & UDC_ATT) { proc_ep_show(s, &udc->ep[0]); if (tmp & UDC_ADD) { @@ -2535,7 +2559,7 @@ static inline void remove_proc_file(void) {} * buffer space among the endpoints we'll be operating. * * NOTE: as of OMAP 1710 ES2.0, writing a new endpoint config when - * UDC_SYSCON_1_REG.CFG_LOCK is set can now work. We won't use that + * UDC_SYSCON_1.CFG_LOCK is set can now work. We won't use that * capability yet though. */ static unsigned __init @@ -2597,9 +2621,9 @@ omap_ep_setup(char *name, u8 addr, u8 type, name, addr, epn_rxtx, maxp, dbuf ? "x2" : "", buf); if (addr & USB_DIR_IN) - UDC_EP_TX_REG(addr & 0xf) = epn_rxtx; + omap_writew(epn_rxtx, UDC_EP_TX(addr & 0xf)); else - UDC_EP_RX_REG(addr) = epn_rxtx; + omap_writew(epn_rxtx, UDC_EP_RX(addr)); /* next endpoint's buffer starts after this one's */ buf += maxp; @@ -2638,15 +2662,15 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) unsigned tmp, buf; /* abolish any previous hardware state */ - UDC_SYSCON1_REG = 0; - UDC_IRQ_EN_REG = 0; - UDC_IRQ_SRC_REG = UDC_IRQ_SRC_MASK; - UDC_DMA_IRQ_EN_REG = 0; - UDC_RXDMA_CFG_REG = 0; - UDC_TXDMA_CFG_REG = 0; + omap_writew(0, UDC_SYSCON1); + omap_writew(0, UDC_IRQ_EN); + omap_writew(UDC_IRQ_SRC_MASK, UDC_IRQ_SRC); + omap_writew(0, UDC_DMA_IRQ_EN); + omap_writew(0, UDC_RXDMA_CFG); + omap_writew(0, UDC_TXDMA_CFG); /* UDC_PULLUP_EN gates the chip clock */ - // OTG_SYSCON_1_REG |= DEV_IDLE_EN; + // OTG_SYSCON_1 |= DEV_IDLE_EN; udc = kzalloc(sizeof(*udc), GFP_KERNEL); if (!udc) @@ -2677,8 +2701,8 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) /* initially disable all non-ep0 endpoints */ for (tmp = 1; tmp < 15; tmp++) { - UDC_EP_RX_REG(tmp) = 0; - UDC_EP_TX_REG(tmp) = 0; + omap_writew(0, UDC_EP_RX(tmp)); + omap_writew(0, UDC_EP_TX(tmp)); } #define OMAP_BULK_EP(name,addr) \ @@ -2763,7 +2787,7 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) ERR("unsupported fifo_mode #%d\n", fifo_mode); return -ENODEV; } - UDC_SYSCON1_REG = UDC_CFG_LOCK|UDC_SELF_PWR; + omap_writew(UDC_CFG_LOCK|UDC_SELF_PWR, UDC_SYSCON1); INFO("fifo mode %d, %d bytes not used\n", fifo_mode, 2048 - buf); return 0; } @@ -2807,7 +2831,7 @@ static int __init omap_udc_probe(struct platform_device *pdev) } INFO("OMAP UDC rev %d.%d%s\n", - UDC_REV_REG >> 4, UDC_REV_REG & 0xf, + omap_readw(UDC_REV) >> 4, omap_readw(UDC_REV) & 0xf, config->otg ? ", Mini-AB" : ""); /* use the mode given to us by board init code */ @@ -2822,12 +2846,12 @@ static int __init omap_udc_probe(struct platform_device *pdev) * know when to turn PULLUP_EN on/off; and that * means we always "need" the 48MHz clock. */ - u32 tmp = FUNC_MUX_CTRL_0_REG; - - FUNC_MUX_CTRL_0_REG &= ~VBUS_CTRL_1510; + u32 tmp = omap_readl(FUNC_MUX_CTRL_0); + tmp &= ~VBUS_CTRL_1510; + omap_writel(tmp, FUNC_MUX_CTRL_0); tmp |= VBUS_MODE_1510; tmp &= ~VBUS_CTRL_1510; - FUNC_MUX_CTRL_0_REG = tmp; + omap_writel(tmp, FUNC_MUX_CTRL_0); } } else { /* The transceiver may package some GPIO logic or handle @@ -2907,7 +2931,7 @@ known: #endif /* starting with omap1710 es2.0, clear toggle is a separate bit */ - if (UDC_REV_REG >= 0x61) + if (omap_readw(UDC_REV) >= 0x61) udc->clr_halt = UDC_RESET_EP | UDC_CLRDATA_TOGGLE; else udc->clr_halt = UDC_RESET_EP; @@ -3005,7 +3029,7 @@ static int __exit omap_udc_remove(struct platform_device *pdev) put_device(udc->transceiver->dev); udc->transceiver = NULL; } - UDC_SYSCON1_REG = 0; + omap_writew(0, UDC_SYSCON1); remove_proc_file(); @@ -3036,7 +3060,7 @@ static int __exit omap_udc_remove(struct platform_device *pdev) * * REVISIT we should probably reject suspend requests when there's a host * session active, rather than disconnecting, at least on boards that can - * report VBUS irqs (UDC_DEVSTAT_REG.UDC_ATT). And in any case, we need to + * report VBUS irqs (UDC_DEVSTAT.UDC_ATT). And in any case, we need to * make host resumes and VBUS detection trigger OMAP wakeup events; that * may involve talking to an external transceiver (e.g. isp1301). */ @@ -3045,7 +3069,7 @@ static int omap_udc_suspend(struct platform_device *dev, pm_message_t message) { u32 devstat; - devstat = UDC_DEVSTAT_REG; + devstat = omap_readw(UDC_DEVSTAT); /* we're requesting 48 MHz clock if the pullup is enabled * (== we're attached to the host) and we're not suspended, |