aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/gadget
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/Kconfig16
-rw-r--r--drivers/usb/gadget/Makefile2
-rw-r--r--drivers/usb/gadget/at91_udc.c4
-rw-r--r--drivers/usb/gadget/ether.c2
-rw-r--r--drivers/usb/gadget/gadget_chips.h4
-rw-r--r--drivers/usb/gadget/inode.c2
-rw-r--r--drivers/usb/gadget/omap_udc.c510
-rw-r--r--drivers/usb/gadget/omap_udc.h61
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c (renamed from drivers/usb/gadget/pxa2xx_udc.c)309
-rw-r--r--drivers/usb/gadget/pxa25x_udc.h (renamed from drivers/usb/gadget/pxa2xx_udc.h)29
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c9
-rw-r--r--drivers/usb/gadget/pxa27x_udc.h8
12 files changed, 488 insertions, 468 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 6e784d2db42..d6bab0d5f45 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -118,10 +118,10 @@ config USB_AMD5536UDC
config USB_GADGET_ATMEL_USBA
boolean "Atmel USBA"
select USB_GADGET_DUALSPEED
- depends on AVR32 || ARCH_AT91CAP9
+ depends on AVR32 || ARCH_AT91CAP9 || ARCH_AT91SAM9RL
help
USBA is the integrated high-speed USB Device controller on
- the AT32AP700x and AT91CAP9 processors from Atmel.
+ the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.
config USB_ATMEL_USBA
tristate
@@ -172,7 +172,7 @@ config USB_NET2280
default USB_GADGET
select USB_GADGET_SELECTED
-config USB_GADGET_PXA2XX
+config USB_GADGET_PXA25X
boolean "PXA 25x or IXP 4xx"
depends on (ARCH_PXA && PXA25x) || ARCH_IXP4XX
help
@@ -184,19 +184,19 @@ config USB_GADGET_PXA2XX
zero (for control transfers).
Say "y" to link the driver statically, or "m" to build a
- dynamically linked module called "pxa2xx_udc" and force all
+ dynamically linked module called "pxa25x_udc" and force all
gadget drivers to also be dynamically linked.
-config USB_PXA2XX
+config USB_PXA25X
tristate
- depends on USB_GADGET_PXA2XX
+ depends on USB_GADGET_PXA25X
default USB_GADGET
select USB_GADGET_SELECTED
# if there's only one gadget driver, using only two bulk endpoints,
# don't waste memory for the other endpoints
-config USB_PXA2XX_SMALL
- depends on USB_GADGET_PXA2XX
+config USB_PXA25X_SMALL
+ depends on USB_GADGET_PXA25X
bool
default n if USB_ETH_RNDIS
default y if USB_ZERO
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 12357255d74..e258afd25fa 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -8,7 +8,7 @@ endif
obj-$(CONFIG_USB_DUMMY_HCD) += dummy_hcd.o
obj-$(CONFIG_USB_NET2280) += net2280.o
obj-$(CONFIG_USB_AMD5536UDC) += amd5536udc.o
-obj-$(CONFIG_USB_PXA2XX) += pxa2xx_udc.o
+obj-$(CONFIG_USB_PXA25X) += pxa25x_udc.o
obj-$(CONFIG_USB_PXA27X) += pxa27x_udc.o
obj-$(CONFIG_USB_GOKU) += goku_udc.o
obj-$(CONFIG_USB_OMAP) += omap_udc.o
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 274c60a970c..b6b2a0a5ba3 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -888,7 +888,7 @@ static void pullup(struct at91_udc *udc, int is_on)
at91_udp_write(udc, AT91_UDP_TXVC, 0);
if (cpu_is_at91rm9200())
gpio_set_value(udc->board.pullup_pin, active);
- else if (cpu_is_at91sam9260() || cpu_is_at91sam9263()) {
+ else if (cpu_is_at91sam9260() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) {
u32 txvc = at91_udp_read(udc, AT91_UDP_TXVC);
txvc |= AT91_UDP_TXVC_PUON;
@@ -906,7 +906,7 @@ static void pullup(struct at91_udc *udc, int is_on)
at91_udp_write(udc, AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS);
if (cpu_is_at91rm9200())
gpio_set_value(udc->board.pullup_pin, !active);
- else if (cpu_is_at91sam9260() || cpu_is_at91sam9263()) {
+ else if (cpu_is_at91sam9260() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) {
u32 txvc = at91_udp_read(udc, AT91_UDP_TXVC);
txvc &= ~AT91_UDP_TXVC_PUON;
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 8d61ea67a81..4ce3950b997 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -262,7 +262,7 @@ MODULE_PARM_DESC(host_addr, "Host Ethernet Address");
/* For CDC-incapable hardware, choose the simple cdc subset.
* Anything that talks bulk (without notable bugs) can do this.
*/
-#ifdef CONFIG_USB_GADGET_PXA2XX
+#ifdef CONFIG_USB_GADGET_PXA25X
#define DEV_CONFIG_SUBSET
#endif
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index f7f159c1002..ca5149ea731 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -29,8 +29,8 @@
#define gadget_is_dummy(g) 0
#endif
-#ifdef CONFIG_USB_GADGET_PXA2XX
-#define gadget_is_pxa(g) !strcmp("pxa2xx_udc", (g)->name)
+#ifdef CONFIG_USB_GADGET_PXA25X
+#define gadget_is_pxa(g) !strcmp("pxa25x_udc", (g)->name)
#else
#define gadget_is_pxa(g) 0
#endif
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 69b0a2754f2..f132a9219e1 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1501,7 +1501,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
}
break;
-#ifndef CONFIG_USB_GADGET_PXA2XX
+#ifndef CONFIG_USB_GADGET_PXA25X
/* PXA automagically handles this request too */
case USB_REQ_GET_CONFIGURATION:
if (ctrl->bRequestType != 0x80)
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