summaryrefslogtreecommitdiffstats
path: root/drivers/usb/gadget
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/Kconfig4
-rw-r--r--drivers/usb/gadget/amd5536udc.c10
-rw-r--r--drivers/usb/gadget/at91_udc.c4
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c48
-rw-r--r--drivers/usb/gadget/fsl_usb2_udc.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/pxa27x_udc.c20
-rw-r--r--drivers/usb/gadget/pxa27x_udc.h8
-rw-r--r--drivers/usb/gadget/serial.c778
10 files changed, 693 insertions, 752 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 6e784d2..3565d43 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
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index ce337cb..f261d2a 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -3251,7 +3251,7 @@ static int udc_pci_probe(
/* pci setup */
if (pci_enable_device(pdev) < 0) {
kfree(dev);
- dev = 0;
+ dev = NULL;
retval = -ENODEV;
goto finished;
}
@@ -3264,7 +3264,7 @@ static int udc_pci_probe(
if (!request_mem_region(resource, len, name)) {
dev_dbg(&pdev->dev, "pci device used already\n");
kfree(dev);
- dev = 0;
+ dev = NULL;
retval = -EBUSY;
goto finished;
}
@@ -3274,7 +3274,7 @@ static int udc_pci_probe(
if (dev->virt_addr == NULL) {
dev_dbg(&pdev->dev, "start address cannot be mapped\n");
kfree(dev);
- dev = 0;
+ dev = NULL;
retval = -EFAULT;
goto finished;
}
@@ -3282,7 +3282,7 @@ static int udc_pci_probe(
if (!pdev->irq) {
dev_err(&dev->pdev->dev, "irq not set\n");
kfree(dev);
- dev = 0;
+ dev = NULL;
retval = -ENODEV;
goto finished;
}
@@ -3290,7 +3290,7 @@ static int udc_pci_probe(
if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) {
dev_dbg(&dev->pdev->dev, "request_irq(%d) fail\n", pdev->irq);
kfree(dev);
- dev = 0;
+ dev = NULL;
retval = -EBUSY;
goto finished;
}
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 274c60a..b6b2a0a 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/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index e756023..07e5a0b 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -649,7 +649,13 @@ static int usba_ep_disable(struct usb_ep *_ep)
if (!ep->desc) {
spin_unlock_irqrestore(&udc->lock, flags);
- DBG(DBG_ERR, "ep_disable: %s not enabled\n", ep->ep.name);
+ /* REVISIT because this driver disables endpoints in
+ * reset_all_endpoints() before calling disconnect(),
+ * most gadget drivers would trigger this non-error ...
+ */
+ if (udc->gadget.speed != USB_SPEED_UNKNOWN)
+ DBG(DBG_ERR, "ep_disable: %s not enabled\n",
+ ep->ep.name);
return -EINVAL;
}
ep->desc = NULL;
@@ -1032,8 +1038,6 @@ static struct usba_udc the_udc = {
.release = nop_release,
},
},
-
- .lock = SPIN_LOCK_UNLOCKED,
};
/*
@@ -1052,6 +1056,12 @@ static void reset_all_endpoints(struct usba_udc *udc)
request_complete(ep, req, -ECONNRESET);
}
+ /* NOTE: normally, the next call to the gadget driver is in
+ * charge of disabling endpoints... usually disconnect().
+ * The exception would be entering a high speed test mode.
+ *
+ * FIXME remove this code ... and retest thoroughly.
+ */
list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
if (ep->desc) {
spin_unlock(&udc->lock);
@@ -1219,7 +1229,7 @@ static inline bool feature_is_ep_halt(struct usb_ctrlrequest *crq)
static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep,
struct usb_ctrlrequest *crq)
{
- int retval = 0;;
+ int retval = 0;
switch (crq->bRequest) {
case USB_REQ_GET_STATUS: {
@@ -1693,6 +1703,14 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
usba_writel(udc, INT_CLR, USBA_END_OF_RESET);
reset_all_endpoints(udc);
+ if (udc->gadget.speed != USB_SPEED_UNKNOWN
+ && udc->driver->disconnect) {
+ udc->gadget.speed = USB_SPEED_UNKNOWN;
+ spin_unlock(&udc->lock);
+ udc->driver->disconnect(&udc->gadget);
+ spin_lock(&udc->lock);
+ }
+
if (status & USBA_HIGH_SPEED) {
DBG(DBG_BUS, "High-speed bus reset detected\n");
udc->gadget.speed = USB_SPEED_HIGH;
@@ -1716,9 +1734,13 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
| USBA_DET_SUSPEND
| USBA_END_OF_RESUME));
+ /*
+ * Unclear why we hit this irregularly, e.g. in usbtest,
+ * but it's clearly harmless...
+ */
if (!(usba_ep_readl(ep0, CFG) & USBA_EPT_MAPPED))
- dev_warn(&udc->pdev->dev,
- "WARNING: EP0 configuration is invalid!\n");
+ dev_dbg(&udc->pdev->dev,
+ "ODD: EP0 configuration is invalid!\n");
}
spin_unlock(&udc->lock);
@@ -1751,9 +1773,11 @@ static irqreturn_t usba_vbus_irq(int irq, void *devid)
reset_all_endpoints(udc);
toggle_bias(0);
usba_writel(udc, CTRL, USBA_DISABLE_MASK);
- spin_unlock(&udc->lock);
- udc->driver->disconnect(&udc->gadget);
- spin_lock(&udc->lock);
+ if (udc->driver->disconnect) {
+ spin_unlock(&udc->lock);
+ udc->driver->disconnect(&udc->gadget);
+ spin_lock(&udc->lock);
+ }
}
udc->vbus_prev = vbus;
}
@@ -1825,7 +1849,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
if (!udc->pdev)
return -ENODEV;
- if (driver != udc->driver)
+ if (driver != udc->driver || !driver->unbind)
return -EINVAL;
if (udc->vbus_pin != -1)
@@ -1840,6 +1864,9 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
toggle_bias(0);
usba_writel(udc, CTRL, USBA_DISABLE_MASK);
+ if (udc->driver->disconnect)
+ udc->driver->disconnect(&udc->gadget);
+
driver->unbind(&udc->gadget);
udc->gadget.dev.driver = NULL;
udc->driver = NULL;
@@ -1879,6 +1906,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
goto err_get_hclk;
}
+ spin_lock_init(&udc->lock);
udc->pdev = pdev;
udc->pclk = pclk;
udc->hclk = hclk;
diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 651b827..1868754 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -1627,7 +1627,9 @@ static int reset_queues(struct fsl_udc *udc)
udc_reset_ep_queue(udc, pipe);
/* report disconnect; the driver is already quiesced */
+ spin_unlock(&udc->lock);
udc->driver->disconnect(&udc->gadget);
+ spin_lock(&udc->lock);
return 0;
}
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 881d74c..03a7f49 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,
diff --git a/drivers/usb/gadget/omap_udc.h b/drivers/usb/gadget/omap_udc.h
index c6b9cbc..8522bbb 100644
--- a/drivers/usb/gadget/omap_udc.h
+++ b/drivers/usb/gadget/omap_udc.h
@@ -8,23 +8,22 @@
/*
* USB device/endpoint management registers
*/
-#define UDC_REG(offset) __REG16(UDC_BASE + (offset))
-#define UDC_REV_REG UDC_REG(0x0) /* Revision */
-#define UDC_EP_NUM_REG UDC_REG(0x4) /* Which endpoint */
+#define UDC_REV (UDC_BASE + 0x0) /* Revision */
+#define UDC_EP_NUM (UDC_BASE + 0x4) /* Which endpoint */
# define UDC_SETUP_SEL (1 << 6)
# define UDC_EP_SEL (1 << 5)
# define UDC_EP_DIR (1 << 4)
/* low 4 bits for endpoint number */
-#define UDC_DATA_REG UDC_REG(0x08) /* Endpoint FIFO */
-#define UDC_CTRL_REG UDC_REG(0x0C) /* Endpoint control */
+#define UDC_DATA (UDC_BASE + 0x08) /* Endpoint FIFO */
+#define UDC_CTRL (UDC_BASE + 0x0C) /* Endpoint control */
# define UDC_CLR_HALT (1 << 7)
# define UDC_SET_HALT (1 << 6)
# define UDC_CLRDATA_TOGGLE (1 << 3)
# define UDC_SET_FIFO_EN (1 << 2)
# define UDC_CLR_EP (1 << 1)
# define UDC_RESET_EP (1 << 0)
-#define UDC_STAT_FLG_REG UDC_REG(0x10) /* Endpoint status */
+#define UDC_STAT_FLG (UDC_BASE + 0x10) /* Endpoint status */
# define UDC_NO_RXPACKET (1 << 15)
# define UDC_MISS_IN (1 << 14)
# define UDC_DATA_FLUSH (1 << 13)
@@ -38,8 +37,8 @@
# define UDC_FIFO_EN (1 << 2)
# define UDC_NON_ISO_FIFO_EMPTY (1 << 1)
# define UDC_NON_ISO_FIFO_FULL (1 << 0)
-#define UDC_RXFSTAT_REG UDC_REG(0x14) /* OUT bytecount */
-#define UDC_SYSCON1_REG UDC_REG(0x18) /* System config 1 */
+#define UDC_RXFSTAT (UDC_BASE + 0x14) /* OUT bytecount */
+#define UDC_SYSCON1 (UDC_BASE + 0x18) /* System config 1 */
# define UDC_CFG_LOCK (1 << 8)
# define UDC_DATA_ENDIAN (1 << 7)
# define UDC_DMA_ENDIAN (1 << 6)
@@ -48,12 +47,12 @@
# define UDC_SELF_PWR (1 << 2)
# define UDC_SOFF_DIS (1 << 1)
# define UDC_PULLUP_EN (1 << 0)
-#define UDC_SYSCON2_REG UDC_REG(0x1C) /* System config 2 */
+#define UDC_SYSCON2 (UDC_BASE + 0x1C) /* System config 2 */
# define UDC_RMT_WKP (1 << 6)
# define UDC_STALL_CMD (1 << 5)
# define UDC_DEV_CFG (1 << 3)
# define UDC_CLR_CFG (1 << 2)
-#define UDC_DEVSTAT_REG UDC_REG(0x20) /* Device status */
+#define UDC_DEVSTAT (UDC_BASE + 0x20) /* Device status */
# define UDC_B_HNP_ENABLE (1 << 9)
# define UDC_A_HNP_SUPPORT (1 << 8)
# define UDC_A_ALT_HNP_SUPPORT (1 << 7)
@@ -64,26 +63,26 @@
# define UDC_ADD (1 << 2)
# define UDC_DEF (1 << 1)
# define UDC_ATT (1 << 0)
-#define UDC_SOF_REG UDC_REG(0x24) /* Start of frame */
+#define UDC_SOF (UDC_BASE + 0x24) /* Start of frame */
# define UDC_FT_LOCK (1 << 12)
# define UDC_TS_OK (1 << 11)
# define UDC_TS 0x03ff
-#define UDC_IRQ_EN_REG UDC_REG(0x28) /* Interrupt enable */
+#define UDC_IRQ_EN (UDC_BASE + 0x28) /* Interrupt enable */
# define UDC_SOF_IE (1 << 7)
# define UDC_EPN_RX_IE (1 << 5)
# define UDC_EPN_TX_IE (1 << 4)
# define UDC_DS_CHG_IE (1 << 3)
# define UDC_EP0_IE (1 << 0)
-#define UDC_DMA_IRQ_EN_REG UDC_REG(0x2C) /* DMA irq enable */
+#define UDC_DMA_IRQ_EN (UDC_BASE + 0x2C) /* DMA irq enable */
/* rx/tx dma channels numbered 1-3 not 0-2 */
# define UDC_TX_DONE_IE(n) (1 << (4 * (n) - 2))
# define UDC_RX_CNT_IE(n) (1 << (4 * (n) - 3))
# define UDC_RX_EOT_IE(n) (1 << (4 * (n) - 4))
-#define UDC_IRQ_SRC_REG UDC_REG(0x30) /* Interrupt source */
+#define UDC_IRQ_SRC (UDC_BASE + 0x30) /* Interrupt source */
# define UDC_TXN_DONE (1 << 10)
# define UDC_RXN_CNT (1 << 9)
# define UDC_RXN_EOT (1 << 8)
-# define UDC_SOF (1 << 7)
+# define UDC_IRQ_SOF (1 << 7)
# define UDC_EPN_RX (1 << 5)
# define UDC_EPN_TX (1 << 4)
# define UDC_DS_CHG (1 << 3)
@@ -91,41 +90,41 @@
# define UDC_EP0_RX (1 << 1)
# define UDC_EP0_TX (1 << 0)
# define UDC_IRQ_SRC_MASK 0x7bf
-#define UDC_EPN_STAT_REG UDC_REG(0x34) /* EP irq status */
-#define UDC_DMAN_STAT_REG UDC_REG(0x38) /* DMA irq status */
+#define UDC_EPN_STAT (UDC_BASE + 0x34) /* EP irq status */
+#define UDC_DMAN_STAT (UDC_BASE + 0x38) /* DMA irq status */
# define UDC_DMA_RX_SB (1 << 12)
# define UDC_DMA_RX_SRC(x) (((x)>>8) & 0xf)
# define UDC_DMA_TX_SRC(x) (((x)>>0) & 0xf)
/* DMA configuration registers: up to three channels in each direction. */
-#define UDC_RXDMA_CFG_REG UDC_REG(0x40) /* 3 eps for RX DMA */
+#define UDC_RXDMA_CFG (UDC_BASE + 0x40) /* 3 eps for RX DMA */
# define UDC_DMA_REQ (1 << 12)
-#define UDC_TXDMA_CFG_REG UDC_REG(0x44) /* 3 eps for TX DMA */
-#define UDC_DATA_DMA_REG UDC_REG(0x48) /* rx/tx fifo addr */
+#define UDC_TXDMA_CFG (UDC_BASE + 0x44) /* 3 eps for TX DMA */
+#define UDC_DATA_DMA (UDC_BASE + 0x48) /* rx/tx fifo addr */
/* rx/tx dma control, numbering channels 1-3 not 0-2 */
-#define UDC_TXDMA_REG(chan) UDC_REG(0x50 - 4 + 4 * (chan))
+#define UDC_TXDMA(chan) (UDC_BASE + 0x50 - 4 + 4 * (chan))
# define UDC_TXN_EOT (1 << 15) /* bytes vs packets */
# define UDC_TXN_START (1 << 14) /* start transfer */
# define UDC_TXN_TSC 0x03ff /* units in xfer */
-#define UDC_RXDMA_REG(chan) UDC_REG(0x60 - 4 + 4 * (chan))
+#define UDC_RXDMA(chan) (UDC_BASE + 0x60 - 4 + 4 * (chan))
# define UDC_RXN_STOP (1 << 15) /* enable EOT irq */
# define UDC_RXN_TC 0x00ff /* packets in xfer */
/*
* Endpoint configuration registers (used before CFG_LOCK is set)
- * UDC_EP_TX_REG(0) is unused
+ * UDC_EP_TX(0) is unused
*/
-#define UDC_EP_RX_REG(endpoint) UDC_REG(0x80 + (endpoint)*4)
+#define UDC_EP_RX(endpoint) (UDC_BASE + 0x80 + (endpoint)*4)
# define UDC_EPN_RX_VALID (1 << 15)
# define UDC_EPN_RX_DB (1 << 14)
/* buffer size in bits 13, 12 */
# define UDC_EPN_RX_ISO (1 << 11)
/* buffer pointer in low 11 bits */
-#define UDC_EP_TX_REG(endpoint) UDC_REG(0xc0 + (endpoint)*4)
- /* same bitfields as in RX_REG */
+#define UDC_EP_TX(endpoint) (UDC_BASE + 0xc0 + (endpoint)*4)
+ /* same bitfields as in RX */
/*-------------------------------------------------------------------------*/
@@ -195,14 +194,14 @@ struct omap_udc {
/*-------------------------------------------------------------------------*/
-#define MOD_CONF_CTRL_0_REG __REG32(MOD_CONF_CTRL_0)
-#define VBUS_W2FC_1510 (1 << 17) /* 0 gpio0, 1 dvdd2 pin */
+/* MOD_CONF_CTRL_0 */
+#define VBUS_W2FC_1510 (1 << 17) /* 0 gpio0, 1 dvdd2 pin */
-#define FUNC_MUX_CTRL_0_REG __REG32(FUNC_MUX_CTRL_0)
+/* FUNC_MUX_CTRL_0 */
#define VBUS_CTRL_1510 (1 << 19) /* 1 connected (software) */
#define VBUS_MODE_1510 (1 << 18) /* 0 hardware, 1 software */
-#define HMC_1510 ((MOD_CONF_CTRL_0_REG >> 1) & 0x3f)
-#define HMC_1610 (OTG_SYSCON_2_REG & 0x3f)
+#define HMC_1510 ((omap_readl(MOD_CONF_CTRL_0) >> 1) & 0x3f)
+#define HMC_1610 (omap_readl(OTG_SYSCON_2) & 0x3f)
#define HMC (cpu_is_omap15xx() ? HMC_1510 : HMC_1610)
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index 75eba20..e02bfd4 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -1526,7 +1526,8 @@ static void udc_disable(struct pxa_udc *udc)
ep0_idle(udc);
udc->gadget.speed = USB_SPEED_UNKNOWN;
- udc->mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
+ if (udc->mach->udc_command)
+ udc->mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
}
/**
@@ -1546,7 +1547,6 @@ static __init void udc_init_data(struct pxa_udc *dev)
INIT_LIST_HEAD(&dev->gadget.ep0->ep_list);
dev->udc_usb_ep[0].pxa_ep = &dev->pxa_ep[0];
ep0_idle(dev);
- strcpy(dev->dev->bus_id, "");
/* PXA endpoints init */
for (i = 0; i < NR_PXA_ENDPOINTS; i++) {
@@ -1746,13 +1746,10 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
ep_err(ep, "wrong to have extra bytes for setup : 0x%08x\n", i);
}
- le16_to_cpus(&u.r.wValue);
- le16_to_cpus(&u.r.wIndex);
- le16_to_cpus(&u.r.wLength);
-
ep_dbg(ep, "SETUP %02x.%02x v%04x i%04x l%04x\n",
u.r.bRequestType, u.r.bRequest,
- u.r.wValue, u.r.wIndex, u.r.wLength);
+ le16_to_cpu(u.r.wValue), le16_to_cpu(u.r.wIndex),
+ le16_to_cpu(u.r.wLength));
if (unlikely(have_extrabytes))
goto stall;
@@ -2296,7 +2293,8 @@ static void pxa_udc_shutdown(struct platform_device *_dev)
{
struct pxa_udc *udc = platform_get_drvdata(_dev);
- udc_disable(udc);
+ if (udc_readl(udc, UDCCR) & UDCCR_UDE)
+ udc_disable(udc);
}
#ifdef CONFIG_PM
@@ -2361,9 +2359,8 @@ static int pxa_udc_resume(struct platform_device *_dev)
* Upon exit from sleep mode and before clearing OTGPH,
* Software must configure the USB OTG pad, UDC, and UHC
* to the state they were in before entering sleep mode.
- *
- * Should be : PSSR |= PSSR_OTGPH;
*/
+ PSSR |= PSSR_OTGPH;
return 0;
}
@@ -2387,6 +2384,9 @@ static struct platform_driver udc_driver = {
static int __init udc_init(void)
{
+ if (!cpu_is_pxa27x())
+ return -ENODEV;
+
printk(KERN_INFO "%s: version %s\n", driver_name, DRIVER_VERSION);
return platform_driver_probe(&udc_driver, pxa_udc_probe);
}
diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h
index 1d1b793..97453db 100644
--- a/drivers/usb/gadget/pxa27x_udc.h
+++ b/drivers/usb/gadget/pxa27x_udc.h
@@ -484,4 +484,12 @@ static inline struct pxa_udc *to_gadget_udc(struct usb_gadget *gadget)
#define ep_warn(ep, fmt, arg...) \
dev_warn(ep->dev->dev, "%s:%s:" fmt, EPNAME(ep), __func__, ## arg)
+/*
+ * Cannot include pxa-regs.h, as register names are similar.
+ * So PSSR is redefined here. This should be removed once UDC registers will
+ * be gone from pxa-regs.h.
+ */
+#define PSSR __REG(0x40F00004) /* Power Manager Sleep Status */
+#define PSSR_OTGPH (1 << 6) /* OTG Peripheral Hold */
+
#endif /* __LINUX_USB_GADGET_PXA27X_H */
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 54cdd6f..fa019fa 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -14,7 +14,6 @@
* This software is distributed under the terms of the GNU General
* Public License ("GPL") as published by the Free Software Foundation,
* either version 2 of that License or (at your option) any later version.
- *
*/
#include <linux/kernel.h>
@@ -33,7 +32,7 @@
/* Defines */
#define GS_VERSION_STR "v2.2"
-#define GS_VERSION_NUM 0x0202
+#define GS_VERSION_NUM 0x2200
#define GS_LONG_NAME "Gadget Serial"
#define GS_SHORT_NAME "g_serial"
@@ -41,7 +40,11 @@
#define GS_MAJOR 127
#define GS_MINOR_START 0
-#define GS_NUM_PORTS 16
+/* REVISIT only one port is supported for now;
+ * see gs_{send,recv}_packet() ... no multiplexing,
+ * and no support for multiple ACM devices.
+ */
+#define GS_NUM_PORTS 1
#define GS_NUM_CONFIGS 1
#define GS_NO_CONFIG_ID 0
@@ -65,6 +68,9 @@
#define GS_DEFAULT_USE_ACM 0
+/* 9600-8-N-1 ... matches init_termios.c_cflag and defaults
+ * expected by "usbser.sys" on MS-Windows.
+ */
#define GS_DEFAULT_DTE_RATE 9600
#define GS_DEFAULT_DATA_BITS 8
#define GS_DEFAULT_PARITY USB_CDC_NO_PARITY
@@ -107,10 +113,6 @@ static int debug = 1;
#define GS_NOTIFY_MAXPACKET 8
-/* Structures */
-
-struct gs_dev;
-
/* circular buffer */
struct gs_buf {
unsigned int buf_size;
@@ -119,12 +121,6 @@ struct gs_buf {
char *buf_put;
};
-/* list of requests */
-struct gs_req_entry {
- struct list_head re_entry;
- struct usb_request *re_req;
-};
-
/* the port structure holds info for each port, one for each minor number */
struct gs_port {
struct gs_dev *port_dev; /* pointer to device struct */
@@ -164,26 +160,7 @@ struct gs_dev {
/* Functions */
-/* module */
-static int __init gs_module_init(void);
-static void __exit gs_module_exit(void);
-
-/* tty driver */
-static int gs_open(struct tty_struct *tty, struct file *file);
-static void gs_close(struct tty_struct *tty, struct file *file);
-static int gs_write(struct tty_struct *tty,
- const unsigned char *buf, int count);
-static int gs_put_char(struct tty_struct *tty, unsigned char ch);
-static void gs_flush_chars(struct tty_struct *tty);
-static int gs_write_room(struct tty_struct *tty);
-static int gs_chars_in_buffer(struct tty_struct *tty);
-static void gs_throttle(struct tty_struct * tty);
-static void gs_unthrottle(struct tty_struct * tty);
-static void gs_break(struct tty_struct *tty, int break_state);
-static int gs_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg);
-static void gs_set_termios(struct tty_struct *tty, struct ktermios *old);
-
+/* tty driver internals */
static int gs_send(struct gs_dev *dev);
static int gs_send_packet(struct gs_dev *dev, char *packet,
unsigned int size);
@@ -192,19 +169,7 @@ static int gs_recv_packet(struct gs_dev *dev, char *packet,
static void gs_read_complete(struct usb_ep *ep, struct usb_request *req);
static void gs_write_complete(struct usb_ep *ep, struct usb_request *req);
-/* gadget driver */
-static int gs_bind(struct usb_gadget *gadget);
-static void gs_unbind(struct usb_gadget *gadget);
-static int gs_setup(struct usb_gadget *gadget,
- const struct usb_ctrlrequest *ctrl);
-static int gs_setup_standard(struct usb_gadget *gadget,
- const struct usb_ctrlrequest *ctrl);
-static int gs_setup_class(struct usb_gadget *gadget,
- const struct usb_ctrlrequest *ctrl);
-static void gs_setup_complete(struct usb_ep *ep, struct usb_request *req);
-static void gs_setup_complete_set_line_coding(struct usb_ep *ep,
- struct usb_request *req);
-static void gs_disconnect(struct usb_gadget *gadget);
+/* gadget driver internals */
static int gs_set_config(struct gs_dev *dev, unsigned config);
static void gs_reset_config(struct gs_dev *dev);
static int gs_build_config_buf(u8 *buf, struct usb_gadget *g,
@@ -214,10 +179,6 @@ static struct usb_request *gs_alloc_req(struct usb_ep *ep, unsigned int len,
gfp_t kmalloc_flags);
static void gs_free_req(struct usb_ep *ep, struct usb_request *req);
-static struct gs_req_entry *gs_alloc_req_entry(struct usb_ep *ep, unsigned len,
- gfp_t kmalloc_flags);
-static void gs_free_req_entry(struct usb_ep *ep, struct gs_req_entry *req);
-
static int gs_alloc_ports(struct gs_dev *dev, gfp_t kmalloc_flags);
static void gs_free_ports(struct gs_dev *dev);
@@ -232,62 +193,15 @@ static unsigned int gs_buf_put(struct gs_buf *gb, const char *buf,
static unsigned int gs_buf_get(struct gs_buf *gb, char *buf,
unsigned int count);
-/* external functions */
-extern int net2280_set_fifo_mode(struct usb_gadget *gadget, int mode);
-
/* Globals */
static struct gs_dev *gs_device;
-static const char *EP_IN_NAME;
-static const char *EP_OUT_NAME;
-static const char *EP_NOTIFY_NAME;
-
static struct mutex gs_open_close_lock[GS_NUM_PORTS];
-static unsigned int read_q_size = GS_DEFAULT_READ_Q_SIZE;
-static unsigned int write_q_size = GS_DEFAULT_WRITE_Q_SIZE;
-
-static unsigned int write_buf_size = GS_DEFAULT_WRITE_BUF_SIZE;
-
-static unsigned int use_acm = GS_DEFAULT_USE_ACM;
-
-
-/* tty driver struct */
-static const struct tty_operations gs_tty_ops = {
- .open = gs_open,
- .close = gs_close,
- .write = gs_write,
- .put_char = gs_put_char,
- .flush_chars = gs_flush_chars,
- .write_room = gs_write_room,
- .ioctl = gs_ioctl,
- .set_termios = gs_set_termios,
- .throttle = gs_throttle,
- .unthrottle = gs_unthrottle,
- .break_ctl = gs_break,
- .chars_in_buffer = gs_chars_in_buffer,
-};
-static struct tty_driver *gs_tty_driver;
-
-/* gadget driver struct */
-static struct usb_gadget_driver gs_gadget_driver = {
-#ifdef CONFIG_USB_GADGET_DUALSPEED
- .speed = USB_SPEED_HIGH,
-#else
- .speed = USB_SPEED_FULL,
-#endif /* CONFIG_USB_GADGET_DUALSPEED */
- .function = GS_LONG_NAME,
- .bind = gs_bind,
- .unbind = gs_unbind,
- .setup = gs_setup,
- .disconnect = gs_disconnect,
- .driver = {
- .name = GS_SHORT_NAME,
- },
-};
+/*-------------------------------------------------------------------------*/
/* USB descriptors */
@@ -304,7 +218,6 @@ static char manufacturer[50];
static struct usb_string gs_strings[] = {
{ GS_MANUFACTURER_STR_ID, manufacturer },
{ GS_PRODUCT_STR_ID, GS_LONG_NAME },
- { GS_SERIAL_STR_ID, "0" },
{ GS_BULK_CONFIG_STR_ID, "Gadget Serial Bulk" },
{ GS_ACM_CONFIG_STR_ID, "Gadget Serial CDC ACM" },
{ GS_CONTROL_STR_ID, "Gadget Serial Control" },
@@ -327,7 +240,6 @@ static struct usb_device_descriptor gs_device_desc = {
.idProduct = __constant_cpu_to_le16(GS_PRODUCT_ID),
.iManufacturer = GS_MANUFACTURER_STR_ID,
.iProduct = GS_PRODUCT_STR_ID,
- .iSerialNumber = GS_SERIAL_STR_ID,
.bNumConfigurations = GS_NUM_CONFIGS,
};
@@ -364,7 +276,7 @@ static const struct usb_interface_descriptor gs_bulk_interface_desc = {
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = GS_BULK_INTERFACE_ID,
.bNumEndpoints = 2,
- .bInterfaceClass = USB_CLASS_CDC_DATA,
+ .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
.bInterfaceSubClass = 0,
.bInterfaceProtocol = 0,
.iInterface = GS_DATA_STR_ID,
@@ -521,6 +433,8 @@ static const struct usb_descriptor_header *gs_acm_highspeed_function[] = {
};
+/*-------------------------------------------------------------------------*/
+
/* Module */
MODULE_DESCRIPTION(GS_LONG_NAME);
MODULE_AUTHOR("Al Borchers");
@@ -531,84 +445,23 @@ module_param(debug, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(debug, "Enable debugging, 0=off, 1=on");
#endif
+static unsigned int read_q_size = GS_DEFAULT_READ_Q_SIZE;
module_param(read_q_size, uint, S_IRUGO);
MODULE_PARM_DESC(read_q_size, "Read request queue size, default=32");
+static unsigned int write_q_size = GS_DEFAULT_WRITE_Q_SIZE;
module_param(write_q_size, uint, S_IRUGO);
MODULE_PARM_DESC(write_q_size, "Write request queue size, default=32");
+static unsigned int write_buf_size = GS_DEFAULT_WRITE_BUF_SIZE;
module_param(write_buf_size, uint, S_IRUGO);
MODULE_PARM_DESC(write_buf_size, "Write buffer size, default=8192");
+static unsigned int use_acm = GS_DEFAULT_USE_ACM;
module_param(use_acm, uint, S_IRUGO);
MODULE_PARM_DESC(use_acm, "Use CDC ACM, 0=no, 1=yes, default=no");
-module_init(gs_module_init);
-module_exit(gs_module_exit);
-
-/*
-* gs_module_init
-*
-* Register as a USB gadget driver and a tty driver.
-*/
-static int __init gs_module_init(void)
-{
- int i;
- int retval;
-
- retval = usb_gadget_register_driver(&gs_gadget_driver);
- if (retval) {
- pr_err("gs_module_init: cannot register gadget driver, "
- "ret=%d\n", retval);
- return retval;
- }
-
- gs_tty_driver = alloc_tty_driver(GS_NUM_PORTS);
- if (!gs_tty_driver)
- return -ENOMEM;
- gs_tty_driver->owner = THIS_MODULE;
- gs_tty_driver->driver_name = GS_SHORT_NAME;
- gs_tty_driver->name = "ttygs";
- gs_tty_driver->major = GS_MAJOR;
- gs_tty_driver->minor_start = GS_MINOR_START;
- gs_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
- gs_tty_driver->subtype = SERIAL_TYPE_NORMAL;
- gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
- gs_tty_driver->init_termios = tty_std_termios;
- gs_tty_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- tty_set_operations(gs_tty_driver, &gs_tty_ops);
-
- for (i=0; i < GS_NUM_PORTS; i++)
- mutex_init(&gs_open_close_lock[i]);
-
- retval = tty_register_driver(gs_tty_driver);
- if (retval) {
- usb_gadget_unregister_driver(&gs_gadget_driver);
- put_tty_driver(gs_tty_driver);
- pr_err("gs_module_init: cannot register tty driver, "
- "ret=%d\n", retval);
- return retval;
- }
-
- pr_info("gs_module_init: %s %s loaded\n",
- GS_LONG_NAME, GS_VERSION_STR);
- return 0;
-}
-
-/*
-* gs_module_exit
-*
-* Unregister as a tty driver and a USB gadget driver.
-*/
-static void __exit gs_module_exit(void)
-{
- tty_unregister_driver(gs_tty_driver);
- put_tty_driver(gs_tty_driver);
- usb_gadget_unregister_driver(&gs_gadget_driver);
-
- pr_info("gs_module_exit: %s %s unloaded\n",
- GS_LONG_NAME, GS_VERSION_STR);
-}
+/*-------------------------------------------------------------------------*/
/* TTY Driver */
@@ -753,15 +606,15 @@ exit_unlock_dev:
* gs_close
*/
-#define GS_WRITE_FINISHED_EVENT_SAFELY(p) \
-({ \
- int cond; \
- \
- spin_lock_irq(&(p)->port_lock); \
- cond = !(p)->port_dev || !gs_buf_data_avail((p)->port_write_buf); \
- spin_unlock_irq(&(p)->port_lock); \
- cond; \
-})
+static int gs_write_finished_event_safely(struct gs_port *p)
+{
+ int cond;
+
+ spin_lock_irq(&(p)->port_lock);
+ cond = !(p)->port_dev || !gs_buf_data_avail((p)->port_write_buf);
+ spin_unlock_irq(&(p)->port_lock);
+ return cond;
+}
static void gs_close(struct tty_struct *tty, struct file *file)
{
@@ -807,7 +660,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
if (gs_buf_data_avail(port->port_write_buf) > 0) {
spin_unlock_irq(&port->port_lock);
wait_event_interruptible_timeout(port->port_write_wait,
- GS_WRITE_FINISHED_EVENT_SAFELY(port),
+ gs_write_finished_event_safely(port),
GS_CLOSE_TIMEOUT * HZ);
spin_lock_irq(&port->port_lock);
}
@@ -1065,6 +918,23 @@ static void gs_set_termios(struct tty_struct *tty, struct ktermios *old)
{
}
+static const struct tty_operations gs_tty_ops = {
+ .open = gs_open,
+ .close = gs_close,
+ .write = gs_write,
+ .put_char = gs_put_char,
+ .flush_chars = gs_flush_chars,
+ .write_room = gs_write_room,
+ .ioctl = gs_ioctl,
+ .set_termios = gs_set_termios,
+ .throttle = gs_throttle,
+ .unthrottle = gs_unthrottle,
+ .break_ctl = gs_break,
+ .chars_in_buffer = gs_chars_in_buffer,
+};
+
+/*-------------------------------------------------------------------------*/
+
/*
* gs_send
*
@@ -1080,7 +950,6 @@ static int gs_send(struct gs_dev *dev)
unsigned long flags;
struct usb_ep *ep;
struct usb_request *req;
- struct gs_req_entry *req_entry;
if (dev == NULL) {
pr_err("gs_send: NULL device pointer\n");
@@ -1093,10 +962,8 @@ static int gs_send(struct gs_dev *dev)
while(!list_empty(&dev->dev_req_list)) {
- req_entry = list_entry(dev->dev_req_list.next,
- struct gs_req_entry, re_entry);
-
- req = req_entry->re_req;
+ req = list_entry(dev->dev_req_list.next,
+ struct usb_request, list);
len = gs_send_packet(dev, req->buf, ep->maxpacket);
@@ -1106,7 +973,7 @@ static int gs_send(struct gs_dev *dev)
*((unsigned char *)req->buf),
*((unsigned char *)req->buf+1),
*((unsigned char *)req->buf+2));
- list_del(&req_entry->re_entry);
+ list_del(&req->list);
req->length = len;
spin_unlock_irqrestore(&dev->dev_lock, flags);
if ((ret=usb_ep_queue(ep, req, GFP_ATOMIC))) {
@@ -1289,7 +1156,6 @@ requeue:
static void gs_write_complete(struct usb_ep *ep, struct usb_request *req)
{
struct gs_dev *dev = ep->driver_data;
- struct gs_req_entry *gs_req = req->context;
if (dev == NULL) {
pr_err("gs_write_complete: NULL device pointer\n");
@@ -1300,13 +1166,8 @@ static void gs_write_complete(struct usb_ep *ep, struct usb_request *req)
case 0:
/* normal completion */
requeue:
- if (gs_req == NULL) {
- pr_err("gs_write_complete: NULL request pointer\n");
- return;
- }
-
spin_lock(&dev->dev_lock);
- list_add(&gs_req->re_entry, &dev->dev_req_list);
+ list_add(&req->list, &dev->dev_req_list);
spin_unlock(&dev->dev_lock);
gs_send(dev);
@@ -1328,9 +1189,39 @@ requeue:
}
}
+/*-------------------------------------------------------------------------*/
+
/* Gadget Driver */
/*
+ * gs_unbind
+ *
+ * Called on module unload. Frees the control request and device
+ * structure.
+ */
+static void /* __init_or_exit */ gs_unbind(struct usb_gadget *gadget)
+{
+ struct gs_dev *dev = get_gadget_data(gadget);
+
+ gs_device = NULL;
+
+ /* read/write requests already freed, only control request remains */
+ if (dev != NULL) {
+ if (dev->dev_ctrl_req != NULL) {
+ gs_free_req(gadget->ep0, dev->dev_ctrl_req);
+ dev->dev_ctrl_req = NULL;
+ }
+ gs_reset_config(dev);
+ gs_free_ports(dev);
+ kfree(dev);
+ set_gadget_data(gadget, NULL);
+ }
+
+ pr_info("gs_unbind: %s %s unbound\n", GS_LONG_NAME,
+ GS_VERSION_STR);
+}
+
+/*
* gs_bind
*
* Called on module load. Allocates and initializes the device
@@ -1362,19 +1253,23 @@ static int __init gs_bind(struct usb_gadget *gadget)
__constant_cpu_to_le16(GS_VERSION_NUM|0x0099);
}
+ dev = kzalloc(sizeof(struct gs_dev), GFP_KERNEL);
+ if (dev == NULL)
+ return -ENOMEM;
+
usb_ep_autoconfig_reset(gadget);
ep = usb_ep_autoconfig(gadget, &gs_fullspeed_in_desc);
if (!ep)
goto autoconf_fail;
- EP_IN_NAME = ep->name;
- ep->driver_data = ep; /* claim the endpoint */
+ dev->dev_in_ep = ep;
+ ep->driver_data = dev; /* claim the endpoint */
ep = usb_ep_autoconfig(gadget, &gs_fullspeed_out_desc);
if (!ep)
goto autoconf_fail;
- EP_OUT_NAME = ep->name;
- ep->driver_data = ep; /* claim the endpoint */
+ dev->dev_out_ep = ep;
+ ep->driver_data = dev; /* claim the endpoint */
if (use_acm) {
ep = usb_ep_autoconfig(gadget, &gs_fullspeed_notify_desc);
@@ -1384,8 +1279,8 @@ static int __init gs_bind(struct usb_gadget *gadget)
}
gs_device_desc.idProduct = __constant_cpu_to_le16(
GS_CDC_PRODUCT_ID),
- EP_NOTIFY_NAME = ep->name;
- ep->driver_data = ep; /* claim the endpoint */
+ dev->dev_notify_ep = ep;
+ ep->driver_data = dev; /* claim the endpoint */
}
gs_device_desc.bDeviceClass = use_acm
@@ -1415,9 +1310,7 @@ static int __init gs_bind(struct usb_gadget *gadget)
gs_acm_config_desc.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
}
- gs_device = dev = kzalloc(sizeof(struct gs_dev), GFP_KERNEL);
- if (dev == NULL)
- return -ENOMEM;
+ gs_device = dev;
snprintf(manufacturer, sizeof(manufacturer), "%s %s with %s",
init_utsname()->sysname, init_utsname()->release,
@@ -1441,8 +1334,6 @@ static int __init gs_bind(struct usb_gadget *gadget)
gs_unbind(gadget);
return -ENOMEM;
}
- dev->dev_ctrl_req->complete = gs_setup_complete;
-
gadget->ep0->driver_data = dev;
pr_info("gs_bind: %s %s bound\n",
@@ -1451,99 +1342,11 @@ static int __init gs_bind(struct usb_gadget *gadget)
return 0;
autoconf_fail:
+ kfree(dev);
pr_err("gs_bind: cannot autoconfigure on %s\n", gadget->name);
return -ENODEV;
}
-/*
- * gs_unbind
- *
- * Called on module unload. Frees the control request and device
- * structure.
- */
-static void /* __init_or_exit */ gs_unbind(struct usb_gadget *gadget)
-{
- struct gs_dev *dev = get_gadget_data(gadget);
-
- gs_device = NULL;
-
- /* read/write requests already freed, only control request remains */
- if (dev != NULL) {
- if (dev->dev_ctrl_req != NULL) {
- gs_free_req(gadget->ep0, dev->dev_ctrl_req);
- dev->dev_ctrl_req = NULL;
- }
- gs_free_ports(dev);
- if (dev->dev_notify_ep)
- usb_ep_disable(dev->dev_notify_ep);
- if (dev->dev_in_ep)
- usb_ep_disable(dev->dev_in_ep);
- if (dev->dev_out_ep)
- usb_ep_disable(dev->dev_out_ep);
- kfree(dev);
- set_gadget_data(gadget, NULL);
- }
-
- pr_info("gs_unbind: %s %s unbound\n", GS_LONG_NAME,
- GS_VERSION_STR);
-}
-
-/*
- * gs_setup
- *
- * Implements all the control endpoint functionality that's not
- * handled in hardware or the hardware driver.
- *
- * Returns the size of the data sent to the host, or a negative
- * error number.
- */
-static int gs_setup(struct usb_gadget *gadget,
- const struct usb_ctrlrequest *ctrl)
-{
- int ret = -EOPNOTSUPP;
- struct gs_dev *dev = get_gadget_data(gadget);
- struct usb_request *req = dev->dev_ctrl_req;
- u16 wIndex = le16_to_cpu(ctrl->wIndex);
- u16 wValue = le16_to_cpu(ctrl->wValue);
- u16 wLength = le16_to_cpu(ctrl->wLength);
-
- req->complete = gs_setup_complete;
-
- switch (ctrl->bRequestType & USB_TYPE_MASK) {
- case USB_TYPE_STANDARD:
- ret = gs_setup_standard(gadget,ctrl);
- break;
-
- case USB_TYPE_CLASS:
- ret = gs_setup_class(gadget,ctrl);
- break;
-
- default:
- pr_err("gs_setup: unknown request, type=%02x, request=%02x, "
- "value=%04x, index=%04x, length=%d\n",
- ctrl->bRequestType, ctrl->bRequest,
- wValue, wIndex, wLength);
- break;
- }
-
- /* respond with data transfer before status phase? */
- if (ret >= 0) {
- req->length = ret;
- req->zero = ret < wLength
- && (ret % gadget->ep0->maxpacket) == 0;
- ret = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
- if (ret < 0) {
- pr_err("gs_setup: cannot queue response, ret=%d\n",
- ret);
- req->status = 0;
- gs_setup_complete(gadget->ep0, req);
- }
- }
-
- /* device either stalls (ret < 0) or reports success */
- return ret;
-}
-
static int gs_setup_standard(struct usb_gadget *gadget,
const struct usb_ctrlrequest *ctrl)
{
@@ -1673,6 +1476,42 @@ set_interface_done:
return ret;
}
+static void gs_setup_complete_set_line_coding(struct usb_ep *ep,
+ struct usb_request *req)
+{
+ struct gs_dev *dev = ep->driver_data;
+ struct gs_port *port = dev->dev_port[0]; /* ACM only has one port */
+
+ switch (req->status) {
+ case 0:
+ /* normal completion */
+ if (req->actual != sizeof(port->port_line_coding))
+ usb_ep_set_halt(ep);
+ else if (port) {
+ struct usb_cdc_line_coding *value = req->buf;
+
+ /* REVISIT: we currently just remember this data.
+ * If we change that, (a) validate it first, then
+ * (b) update whatever hardware needs updating.
+ */
+ spin_lock(&port->port_lock);
+ port->port_line_coding = *value;
+ spin_unlock(&port->port_lock);
+ }
+ break;
+
+ case -ESHUTDOWN:
+ /* disconnect */
+ gs_free_req(ep, req);
+ break;
+
+ default:
+ /* unexpected */
+ break;
+ }
+ return;
+}
+
static int gs_setup_class(struct usb_gadget *gadget,
const struct usb_ctrlrequest *ctrl)
{
@@ -1734,52 +1573,72 @@ static int gs_setup_class(struct usb_gadget *gadget,
return ret;
}
-static void gs_setup_complete_set_line_coding(struct usb_ep *ep,
- struct usb_request *req)
+/*
+ * gs_setup_complete
+ */
+static void gs_setup_complete(struct usb_ep *ep, struct usb_request *req)
{
- struct gs_dev *dev = ep->driver_data;
- struct gs_port *port = dev->dev_port[0]; /* ACM only has one port */
+ if (req->status || req->actual != req->length) {
+ pr_err("gs_setup_complete: status error, status=%d, "
+ "actual=%d, length=%d\n",
+ req->status, req->actual, req->length);
+ }
+}
- switch (req->status) {
- case 0:
- /* normal completion */
- if (req->actual != sizeof(port->port_line_coding))
- usb_ep_set_halt(ep);
- else if (port) {
- struct usb_cdc_line_coding *value = req->buf;
+/*
+ * gs_setup
+ *
+ * Implements all the control endpoint functionality that's not
+ * handled in hardware or the hardware driver.
+ *
+ * Returns the size of the data sent to the host, or a negative
+ * error number.
+ */
+static int gs_setup(struct usb_gadget *gadget,
+ const struct usb_ctrlrequest *ctrl)
+{
+ int ret = -EOPNOTSUPP;
+ struct gs_dev *dev = get_gadget_data(gadget);
+ struct usb_request *req = dev->dev_ctrl_req;
+ u16 wIndex = le16_to_cpu(ctrl->wIndex);
+ u16 wValue = le16_to_cpu(ctrl->wValue);
+ u16 wLength = le16_to_cpu(ctrl->wLength);
- /* REVISIT: we currently just remember this data.
- * If we change that, (a) validate it first, then
- * (b) update whatever hardware needs updating.
- */
- spin_lock(&port->port_lock);
- port->port_line_coding = *value;
- spin_unlock(&port->port_lock);
- }
+ req->complete = gs_setup_complete;
+
+ switch (ctrl->bRequestType & USB_TYPE_MASK) {
+ case USB_TYPE_STANDARD:
+ ret = gs_setup_standard(gadget, ctrl);
break;
- case -ESHUTDOWN:
- /* disconnect */
- gs_free_req(ep, req);
+ case USB_TYPE_CLASS:
+ ret = gs_setup_class(gadget, ctrl);
break;
default:
- /* unexpected */
+ pr_err("gs_setup: unknown request, type=%02x, request=%02x, "
+ "value=%04x, index=%04x, length=%d\n",
+ ctrl->bRequestType, ctrl->bRequest,
+ wValue, wIndex, wLength);
break;
}
- return;
-}
-/*
- * gs_setup_complete
- */
-static void gs_setup_complete(struct usb_ep *ep, struct usb_request *req)
-{
- if (req->status || req->actual != req->length) {
- pr_err("gs_setup_complete: status error, status=%d, "
- "actual=%d, length=%d\n",
- req->status, req->actual, req->length);
+ /* respond with data transfer before status phase? */
+ if (ret >= 0) {
+ req->length = ret;
+ req->zero = ret < wLength
+ && (ret % gadget->ep0->maxpacket) == 0;
+ ret = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
+ if (ret < 0) {
+ pr_err("gs_setup: cannot queue response, ret=%d\n",
+ ret);
+ req->status = 0;
+ gs_setup_complete(gadget->ep0, req);
+ }
}
+
+ /* device either stalls (ret < 0) or reports success */
+ return ret;
}
/*
@@ -1811,6 +1670,23 @@ static void gs_disconnect(struct usb_gadget *gadget)
pr_info("gs_disconnect: %s disconnected\n", GS_LONG_NAME);
}
+static struct usb_gadget_driver gs_gadget_driver = {
+#ifdef CONFIG_USB_GADGET_DUALSPEED
+ .speed = USB_SPEED_HIGH,
+#else
+ .speed = USB_SPEED_FULL,
+#endif /* CONFIG_USB_GADGET_DUALSPEED */
+ .function = GS_LONG_NAME,
+ .bind = gs_bind,
+ .unbind = gs_unbind,
+ .setup = gs_setup,
+ .disconnect = gs_disconnect,
+ .driver = {
+ .name = GS_SHORT_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
/*
* gs_set_config
*
@@ -1826,9 +1702,8 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
int ret = 0;
struct usb_gadget *gadget = dev->dev_gadget;
struct usb_ep *ep;
- struct usb_endpoint_descriptor *ep_desc;
+ struct usb_endpoint_descriptor *out, *in, *notify;
struct usb_request *req;
- struct gs_req_entry *req_entry;
if (dev == NULL) {
pr_err("gs_set_config: NULL device pointer\n");
@@ -1846,86 +1721,62 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
case GS_BULK_CONFIG_ID:
if (use_acm)
return -EINVAL;
- /* device specific optimizations */
- if (gadget_is_net2280(gadget))
- net2280_set_fifo_mode(gadget, 1);
break;
case GS_ACM_CONFIG_ID:
if (!use_acm)
return -EINVAL;
- /* device specific optimizations */
- if (gadget_is_net2280(gadget))
- net2280_set_fifo_mode(gadget, 1);
break;
default:
return -EINVAL;
}
- dev->dev_config = config;
-
- gadget_for_each_ep(ep, gadget) {
-
- if (EP_NOTIFY_NAME
- && strcmp(ep->name, EP_NOTIFY_NAME) == 0) {
- ep_desc = choose_ep_desc(gadget,
+ in = choose_ep_desc(gadget,
+ &gs_highspeed_in_desc,
+ &gs_fullspeed_in_desc);
+ out = choose_ep_desc(gadget,
+ &gs_highspeed_out_desc,
+ &gs_fullspeed_out_desc);
+ notify = dev->dev_notify_ep
+ ? choose_ep_desc(gadget,
&gs_highspeed_notify_desc,
- &gs_fullspeed_notify_desc);
- ret = usb_ep_enable(ep,ep_desc);
- if (ret == 0) {
- ep->driver_data = dev;
- dev->dev_notify_ep = ep;
- dev->dev_notify_ep_desc = ep_desc;
- } else {
- pr_err("gs_set_config: cannot enable NOTIFY "
- "endpoint %s, ret=%d\n",
- ep->name, ret);
- goto exit_reset_config;
- }
- }
-
- else if (strcmp(ep->name, EP_IN_NAME) == 0) {
- ep_desc = choose_ep_desc(gadget,
- &gs_highspeed_in_desc,
- &gs_fullspeed_in_desc);
- ret = usb_ep_enable(ep,ep_desc);
- if (ret == 0) {
- ep->driver_data = dev;
- dev->dev_in_ep = ep;
- dev->dev_in_ep_desc = ep_desc;
- } else {
- pr_err("gs_set_config: cannot enable IN "
- "endpoint %s, ret=%d\n",
- ep->name, ret);
- goto exit_reset_config;
- }
- }
+ &gs_fullspeed_notify_desc)
+ : NULL;
- else if (strcmp(ep->name, EP_OUT_NAME) == 0) {
- ep_desc = choose_ep_desc(gadget,
- &gs_highspeed_out_desc,
- &gs_fullspeed_out_desc);
- ret = usb_ep_enable(ep,ep_desc);
- if (ret == 0) {
- ep->driver_data = dev;
- dev->dev_out_ep = ep;
- dev->dev_out_ep_desc = ep_desc;
- } else {
- pr_err("gs_set_config: cannot enable OUT "
- "endpoint %s, ret=%d\n",
- ep->name, ret);
- goto exit_reset_config;
- }
- }
+ ret = usb_ep_enable(dev->dev_in_ep, in);
+ if (ret == 0) {
+ dev->dev_in_ep_desc = in;
+ } else {
+ pr_debug("%s: cannot enable %s %s, ret=%d\n",
+ __func__, "IN", dev->dev_in_ep->name, ret);
+ return ret;
+ }
+ ret = usb_ep_enable(dev->dev_out_ep, out);
+ if (ret == 0) {
+ dev->dev_out_ep_desc = out;
+ } else {
+ pr_debug("%s: cannot enable %s %s, ret=%d\n",
+ __func__, "OUT", dev->dev_out_ep->name, ret);
+fail0:
+ usb_ep_disable(dev->dev_in_ep);
+ return ret;
}
- if (dev->dev_in_ep == NULL || dev->dev_out_ep == NULL
- || (config != GS_BULK_CONFIG_ID && dev->dev_notify_ep == NULL)) {
- pr_err("gs_set_config: cannot find endpoints\n");
- ret = -ENODEV;
- goto exit_reset_config;
+ if (notify) {
+ ret = usb_ep_enable(dev->dev_notify_ep, notify);
+ if (ret == 0) {
+ dev->dev_notify_ep_desc = notify;
+ } else {
+ pr_debug("%s: cannot enable %s %s, ret=%d\n",
+ __func__, "NOTIFY",
+ dev->dev_notify_ep->name, ret);
+ usb_ep_disable(dev->dev_out_ep);
+ goto fail0;
+ }
}
+ dev->dev_config = config;
+
/* allocate and queue read requests */
ep = dev->dev_out_ep;
for (i=0; i<read_q_size && ret == 0; i++) {
@@ -1946,9 +1797,10 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
/* allocate write requests, and put on free list */
ep = dev->dev_in_ep;
for (i=0; i<write_q_size; i++) {
- if ((req_entry=gs_alloc_req_entry(ep, ep->maxpacket, GFP_ATOMIC))) {
- req_entry->re_req->complete = gs_write_complete;
- list_add(&req_entry->re_entry, &dev->dev_req_list);
+ req = gs_alloc_req(ep, ep->maxpacket, GFP_ATOMIC);
+ if (req) {
+ req->complete = gs_write_complete;
+ list_add(&req->list, &dev->dev_req_list);
} else {
pr_err("gs_set_config: cannot allocate "
"write requests\n");
@@ -1986,7 +1838,7 @@ exit_reset_config:
*/
static void gs_reset_config(struct gs_dev *dev)
{
- struct gs_req_entry *req_entry;
+ struct usb_request *req;
if (dev == NULL) {
pr_err("gs_reset_config: NULL device pointer\n");
@@ -2000,26 +1852,18 @@ static void gs_reset_config(struct gs_dev *dev)
/* free write requests on the free list */
while(!list_empty(&dev->dev_req_list)) {
- req_entry = list_entry(dev->dev_req_list.next,
- struct gs_req_entry, re_entry);
- list_del(&req_entry->re_entry);
- gs_free_req_entry(dev->dev_in_ep, req_entry);
+ req = list_entry(dev->dev_req_list.next,
+ struct usb_request, list);
+ list_del(&req->list);
+ gs_free_req(dev->dev_in_ep, req);
}
/* disable endpoints, forcing completion of pending i/o; */
/* completion handlers free their requests in this case */
- if (dev->dev_notify_ep) {
+ if (dev->dev_notify_ep)
usb_ep_disable(dev->dev_notify_ep);
- dev->dev_notify_ep = NULL;
- }
- if (dev->dev_in_ep) {
- usb_ep_disable(dev->dev_in_ep);
- dev->dev_in_ep = NULL;
- }
- if (dev->dev_out_ep) {
- usb_ep_disable(dev->dev_out_ep);
- dev->dev_out_ep = NULL;
- }
+ usb_ep_disable(dev->dev_in_ep);
+ usb_ep_disable(dev->dev_out_ep);
}
/*
@@ -2113,46 +1957,6 @@ static void gs_free_req(struct usb_ep *ep, struct usb_request *req)
}
/*
- * gs_alloc_req_entry
- *
- * Allocates a request and its buffer, using the given
- * endpoint, buffer len, and kmalloc flags.
- */
-static struct gs_req_entry *
-gs_alloc_req_entry(struct usb_ep *ep, unsigned len, gfp_t kmalloc_flags)
-{
- struct gs_req_entry *req;
-
- req = kmalloc(sizeof(struct gs_req_entry), kmalloc_flags);
- if (req == NULL)
- return NULL;
-
- req->re_req = gs_alloc_req(ep, len, kmalloc_flags);
- if (req->re_req == NULL) {
- kfree(req);
- return NULL;
- }
-
- req->re_req->context = req;
-
- return req;
-}
-
-/*
- * gs_free_req_entry
- *
- * Frees a request and its buffer.
- */
-static void gs_free_req_entry(struct usb_ep *ep, struct gs_req_entry *req)
-{
- if (ep != NULL && req != NULL) {
- if (req->re_req != NULL)
- gs_free_req(ep, req->re_req);
- kfree(req);
- }
-}
-
-/*
* gs_alloc_ports
*
* Allocate all ports and set the gs_dev struct to point to them.
@@ -2233,6 +2037,8 @@ static void gs_free_ports(struct gs_dev *dev)
}
}
+/*-------------------------------------------------------------------------*/
+
/* Circular Buffer */
/*
@@ -2393,3 +2199,77 @@ gs_buf_get(struct gs_buf *gb, char *buf, unsigned int count)
return count;
}
+
+/*-------------------------------------------------------------------------*/
+
+static struct tty_driver *gs_tty_driver;
+
+/*
+ * gs_module_init
+ *
+ * Register as a USB gadget driver and a tty driver.
+ */
+static int __init gs_module_init(void)
+{
+ int i;
+ int retval;
+
+ retval = usb_gadget_register_driver(&gs_gadget_driver);
+ if (retval) {
+ pr_err("gs_module_init: cannot register gadget driver, "
+ "ret=%d\n", retval);
+ return retval;
+ }
+
+ gs_tty_driver = alloc_tty_driver(GS_NUM_PORTS);
+ if (!gs_tty_driver)
+ return -ENOMEM;
+ gs_tty_driver->owner = THIS_MODULE;
+ gs_tty_driver->driver_name = GS_SHORT_NAME;
+ gs_tty_driver->name = "ttygs";
+ gs_tty_driver->major = GS_MAJOR;
+ gs_tty_driver->minor_start = GS_MINOR_START;
+ gs_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
+ gs_tty_driver->subtype = SERIAL_TYPE_NORMAL;
+ gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
+ gs_tty_driver->init_termios = tty_std_termios;
+ /* must match GS_DEFAULT_DTE_RATE and friends */
+ gs_tty_driver->init_termios.c_cflag =
+ B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+ gs_tty_driver->init_termios.c_ispeed = GS_DEFAULT_DTE_RATE;
+ gs_tty_driver->init_termios.c_ospeed = GS_DEFAULT_DTE_RATE;
+ tty_set_operations(gs_tty_driver, &gs_tty_ops);
+
+ for (i = 0; i < GS_NUM_PORTS; i++)
+ mutex_init(&gs_open_close_lock[i]);
+
+ retval = tty_register_driver(gs_tty_driver);
+ if (retval) {
+ usb_gadget_unregister_driver(&gs_gadget_driver);
+ put_tty_driver(gs_tty_driver);
+ pr_err("gs_module_init: cannot register tty driver, "
+ "ret=%d\n", retval);
+ return retval;
+ }
+
+ pr_info("gs_module_init: %s %s loaded\n",
+ GS_LONG_NAME, GS_VERSION_STR);
+ return 0;
+}
+module_init(gs_module_init);
+
+/*
+ * gs_module_exit
+ *
+ * Unregister as a tty driver and a USB gadget driver.
+ */
+static void __exit gs_module_exit(void)
+{
+ tty_unregister_driver(gs_tty_driver);
+ put_tty_driver(gs_tty_driver);
+ usb_gadget_unregister_driver(&gs_gadget_driver);
+
+ pr_info("gs_module_exit: %s %s unloaded\n",
+ GS_LONG_NAME, GS_VERSION_STR);
+}
+module_exit(gs_module_exit);
OpenPOWER on IntegriCloud