*
* This function returns number of registers read
*/
-static size_t hw_register_read(struct ci13xxx *udc, u32 *buf, size_t size)
+static size_t hw_register_read(struct ci13xxx *ci, u32 *buf, size_t size)
{
unsigned i;
- if (size > udc->hw_bank.size)
- size = udc->hw_bank.size;
+ if (size > ci->hw_bank.size)
+ size = ci->hw_bank.size;
for (i = 0; i < size; i++)
- buf[i] = hw_read(udc, i * sizeof(u32), ~0);
+ buf[i] = hw_read(ci, i * sizeof(u32), ~0);
return size;
}
*
* This function returns an error code
*/
-static int hw_register_write(struct ci13xxx *udc, u16 addr, u32 data)
+static int hw_register_write(struct ci13xxx *ci, u16 addr, u32 data)
{
/* align */
addr /= sizeof(u32);
- if (addr >= udc->hw_bank.size)
+ if (addr >= ci->hw_bank.size)
return -EINVAL;
/* align */
addr *= sizeof(u32);
- hw_write(udc, addr, ~0, data);
+ hw_write(ci, addr, ~0, data);
return 0;
}
*
* This function returns an error code
*/
-static int hw_intr_clear(struct ci13xxx *udc, int n)
+static int hw_intr_clear(struct ci13xxx *ci, int n)
{
if (n >= REG_BITS)
return -EINVAL;
- hw_write(udc, OP_USBINTR, BIT(n), 0);
- hw_write(udc, OP_USBSTS, BIT(n), BIT(n));
+ hw_write(ci, OP_USBINTR, BIT(n), 0);
+ hw_write(ci, OP_USBSTS, BIT(n), BIT(n));
return 0;
}
*
* This function returns an error code
*/
-static int hw_intr_force(struct ci13xxx *udc, int n)
+static int hw_intr_force(struct ci13xxx *ci, int n)
{
if (n >= REG_BITS)
return -EINVAL;
- hw_write(udc, CAP_TESTMODE, TESTMODE_FORCE, TESTMODE_FORCE);
- hw_write(udc, OP_USBINTR, BIT(n), BIT(n));
- hw_write(udc, OP_USBSTS, BIT(n), BIT(n));
- hw_write(udc, CAP_TESTMODE, TESTMODE_FORCE, 0);
+ hw_write(ci, CAP_TESTMODE, TESTMODE_FORCE, TESTMODE_FORCE);
+ hw_write(ci, OP_USBINTR, BIT(n), BIT(n));
+ hw_write(ci, OP_USBSTS, BIT(n), BIT(n));
+ hw_write(ci, CAP_TESTMODE, TESTMODE_FORCE, 0);
return 0;
}
static ssize_t show_device(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
- struct usb_gadget *gadget = &udc->gadget;
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
+ struct usb_gadget *gadget = &ci->gadget;
int n = 0;
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "[%s] EINVAL\n", __func__);
+ dev_err(ci->dev, "[%s] EINVAL\n", __func__);
return 0;
}
static ssize_t show_driver(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
- struct usb_gadget_driver *driver = udc->driver;
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
+ struct usb_gadget_driver *driver = ci->driver;
int n = 0;
if (attr == NULL || buf == NULL) {
static ssize_t show_inters(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long flags;
u32 intr;
unsigned i, j, n = 0;
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "[%s] EINVAL\n", __func__);
+ dev_err(ci->dev, "[%s] EINVAL\n", __func__);
return 0;
}
- spin_lock_irqsave(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
/*n += scnprintf(buf + n, PAGE_SIZE - n,
- "status = %08x\n", hw_read_intr_status(udc));
+ "status = %08x\n", hw_read_intr_status(ci));
n += scnprintf(buf + n, PAGE_SIZE - n,
- "enable = %08x\n", hw_read_intr_enable(udc));*/
+ "enable = %08x\n", hw_read_intr_enable(ci));*/
n += scnprintf(buf + n, PAGE_SIZE - n, "*test = %d\n",
isr_statistics.test);
n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
}
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_unlock_irqrestore(&ci->lock, flags);
return n;
}
static ssize_t store_inters(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long flags;
unsigned en, bit;
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "EINVAL\n");
+ dev_err(ci->dev, "EINVAL\n");
goto done;
}
if (sscanf(buf, "%u %u", &en, &bit) != 2 || en > 1) {
- dev_err(udc->dev, "<1|0> <bit>: enable|disable interrupt\n");
+ dev_err(ci->dev, "<1|0> <bit>: enable|disable interrupt\n");
goto done;
}
- spin_lock_irqsave(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
if (en) {
- if (hw_intr_force(udc, bit))
+ if (hw_intr_force(ci, bit))
dev_err(dev, "invalid bit number\n");
else
isr_statistics.test++;
} else {
- if (hw_intr_clear(udc, bit))
+ if (hw_intr_clear(ci, bit))
dev_err(dev, "invalid bit number\n");
}
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_unlock_irqrestore(&ci->lock, flags);
done:
return count;
static ssize_t show_port_test(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long flags;
unsigned mode;
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "EINVAL\n");
+ dev_err(ci->dev, "EINVAL\n");
return 0;
}
- spin_lock_irqsave(&udc->lock, flags);
- mode = hw_port_test_get(udc);
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
+ mode = hw_port_test_get(ci);
+ spin_unlock_irqrestore(&ci->lock, flags);
return scnprintf(buf, PAGE_SIZE, "mode = %u\n", mode);
}
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long flags;
unsigned mode;
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "[%s] EINVAL\n", __func__);
+ dev_err(ci->dev, "[%s] EINVAL\n", __func__);
goto done;
}
if (sscanf(buf, "%u", &mode) != 1) {
- dev_err(udc->dev, "<mode>: set port test mode");
+ dev_err(ci->dev, "<mode>: set port test mode");
goto done;
}
- spin_lock_irqsave(&udc->lock, flags);
- if (hw_port_test_set(udc, mode))
- dev_err(udc->dev, "invalid mode\n");
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
+ if (hw_port_test_set(ci, mode))
+ dev_err(ci->dev, "invalid mode\n");
+ spin_unlock_irqrestore(&ci->lock, flags);
done:
return count;
static ssize_t show_qheads(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long flags;
unsigned i, j, n = 0;
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "[%s] EINVAL\n", __func__);
+ dev_err(ci->dev, "[%s] EINVAL\n", __func__);
return 0;
}
- spin_lock_irqsave(&udc->lock, flags);
- for (i = 0; i < udc->hw_ep_max/2; i++) {
- struct ci13xxx_ep *mEpRx = &udc->ci13xxx_ep[i];
+ spin_lock_irqsave(&ci->lock, flags);
+ for (i = 0; i < ci->hw_ep_max/2; i++) {
+ struct ci13xxx_ep *mEpRx = &ci->ci13xxx_ep[i];
struct ci13xxx_ep *mEpTx =
- &udc->ci13xxx_ep[i + udc->hw_ep_max/2];
+ &ci->ci13xxx_ep[i + ci->hw_ep_max/2];
n += scnprintf(buf + n, PAGE_SIZE - n,
"EP=%02i: RX=%08X TX=%08X\n",
i, (u32)mEpRx->qh.dma, (u32)mEpTx->qh.dma);
*((u32 *)mEpTx->qh.ptr + j));
}
}
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_unlock_irqrestore(&ci->lock, flags);
return n;
}
static ssize_t show_registers(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long flags;
u32 *dump;
unsigned i, k, n = 0;
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "[%s] EINVAL\n", __func__);
+ dev_err(ci->dev, "[%s] EINVAL\n", __func__);
return 0;
}
dump = kmalloc(sizeof(u32) * DUMP_ENTRIES, GFP_KERNEL);
if (!dump) {
- dev_err(udc->dev, "%s: out of memory\n", __func__);
+ dev_err(ci->dev, "%s: out of memory\n", __func__);
return 0;
}
- spin_lock_irqsave(&udc->lock, flags);
- k = hw_register_read(udc, dump, DUMP_ENTRIES);
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
+ k = hw_register_read(ci, dump, DUMP_ENTRIES);
+ spin_unlock_irqrestore(&ci->lock, flags);
for (i = 0; i < k; i++) {
n += scnprintf(buf + n, PAGE_SIZE - n,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long addr, data, flags;
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "[%s] EINVAL\n", __func__);
+ dev_err(ci->dev, "[%s] EINVAL\n", __func__);
goto done;
}
if (sscanf(buf, "%li %li", &addr, &data) != 2) {
- dev_err(udc->dev,
+ dev_err(ci->dev,
"<addr> <data>: write data to register address\n");
goto done;
}
- spin_lock_irqsave(&udc->lock, flags);
- if (hw_register_write(udc, addr, data))
- dev_err(udc->dev, "invalid address range\n");
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
+ if (hw_register_write(ci, addr, data))
+ dev_err(ci->dev, "invalid address range\n");
+ spin_unlock_irqrestore(&ci->lock, flags);
done:
return count;
static ssize_t show_requests(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
+ struct ci13xxx *ci = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long flags;
struct list_head *ptr = NULL;
struct ci13xxx_req *req = NULL;
unsigned i, j, n = 0, qSize = sizeof(struct ci13xxx_td)/sizeof(u32);
if (attr == NULL || buf == NULL) {
- dev_err(udc->dev, "[%s] EINVAL\n", __func__);
+ dev_err(ci->dev, "[%s] EINVAL\n", __func__);
return 0;
}
- spin_lock_irqsave(&udc->lock, flags);
- for (i = 0; i < udc->hw_ep_max; i++)
- list_for_each(ptr, &udc->ci13xxx_ep[i].qh.queue)
+ spin_lock_irqsave(&ci->lock, flags);
+ for (i = 0; i < ci->hw_ep_max; i++)
+ list_for_each(ptr, &ci->ci13xxx_ep[i].qh.queue)
{
req = list_entry(ptr, struct ci13xxx_req, queue);
n += scnprintf(buf + n, PAGE_SIZE - n,
"EP=%02i: TD=%08X %s\n",
- i % udc->hw_ep_max/2, (u32)req->dma,
- ((i < udc->hw_ep_max/2) ? "RX" : "TX"));
+ i % ci->hw_ep_max/2, (u32)req->dma,
+ ((i < ci->hw_ep_max/2) ? "RX" : "TX"));
for (j = 0; j < qSize; j++)
n += scnprintf(buf + n, PAGE_SIZE - n,
" %04X: %08X\n", j,
*((u32 *)req->ptr + j));
}
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_unlock_irqrestore(&ci->lock, flags);
return n;
}
return num + (dir ? 16 : 0);
}
-static inline int ep_to_bit(struct ci13xxx *udc, int n)
+static inline int ep_to_bit(struct ci13xxx *ci, int n)
{
- int fill = 16 - udc->hw_ep_max / 2;
+ int fill = 16 - ci->hw_ep_max / 2;
- if (n >= udc->hw_ep_max / 2)
+ if (n >= ci->hw_ep_max / 2)
n += fill;
return n;
*
* This function returns an error code
*/
-static int hw_device_state(struct ci13xxx *udc, u32 dma)
+static int hw_device_state(struct ci13xxx *ci, u32 dma)
{
if (dma) {
- hw_write(udc, OP_ENDPTLISTADDR, ~0, dma);
+ hw_write(ci, OP_ENDPTLISTADDR, ~0, dma);
/* interrupt, error, port change, reset, sleep/suspend */
- hw_write(udc, OP_USBINTR, ~0,
+ hw_write(ci, OP_USBINTR, ~0,
USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI);
- hw_write(udc, OP_USBCMD, USBCMD_RS, USBCMD_RS);
+ hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS);
} else {
- hw_write(udc, OP_USBCMD, USBCMD_RS, 0);
- hw_write(udc, OP_USBINTR, ~0, 0);
+ hw_write(ci, OP_USBCMD, USBCMD_RS, 0);
+ hw_write(ci, OP_USBINTR, ~0, 0);
}
return 0;
}
*
* This function returns an error code
*/
-static int hw_ep_flush(struct ci13xxx *udc, int num, int dir)
+static int hw_ep_flush(struct ci13xxx *ci, int num, int dir)
{
int n = hw_ep_bit(num, dir);
do {
/* flush any pending transfer */
- hw_write(udc, OP_ENDPTFLUSH, BIT(n), BIT(n));
- while (hw_read(udc, OP_ENDPTFLUSH, BIT(n)))
+ hw_write(ci, OP_ENDPTFLUSH, BIT(n), BIT(n));
+ while (hw_read(ci, OP_ENDPTFLUSH, BIT(n)))
cpu_relax();
- } while (hw_read(udc, OP_ENDPTSTAT, BIT(n)));
+ } while (hw_read(ci, OP_ENDPTSTAT, BIT(n)));
return 0;
}
*
* This function returns an error code
*/
-static int hw_ep_disable(struct ci13xxx *udc, int num, int dir)
+static int hw_ep_disable(struct ci13xxx *ci, int num, int dir)
{
- hw_ep_flush(udc, num, dir);
- hw_write(udc, OP_ENDPTCTRL + num,
+ hw_ep_flush(ci, num, dir);
+ hw_write(ci, OP_ENDPTCTRL + num,
dir ? ENDPTCTRL_TXE : ENDPTCTRL_RXE, 0);
return 0;
}
*
* This function returns an error code
*/
-static int hw_ep_enable(struct ci13xxx *udc, int num, int dir, int type)
+static int hw_ep_enable(struct ci13xxx *ci, int num, int dir, int type)
{
u32 mask, data;
mask |= ENDPTCTRL_RXE; /* enable */
data |= ENDPTCTRL_RXE;
}
- hw_write(udc, OP_ENDPTCTRL + num, mask, data);
+ hw_write(ci, OP_ENDPTCTRL + num, mask, data);
return 0;
}
*
* This function returns 1 if endpoint halted
*/
-static int hw_ep_get_halt(struct ci13xxx *udc, int num, int dir)
+static int hw_ep_get_halt(struct ci13xxx *ci, int num, int dir)
{
u32 mask = dir ? ENDPTCTRL_TXS : ENDPTCTRL_RXS;
- return hw_read(udc, OP_ENDPTCTRL + num, mask) ? 1 : 0;
+ return hw_read(ci, OP_ENDPTCTRL + num, mask) ? 1 : 0;
}
/**
*
* This function returns setup status
*/
-static int hw_test_and_clear_setup_status(struct ci13xxx *udc, int n)
+static int hw_test_and_clear_setup_status(struct ci13xxx *ci, int n)
{
- n = ep_to_bit(udc, n);
- return hw_test_and_clear(udc, OP_ENDPTSETUPSTAT, BIT(n));
+ n = ep_to_bit(ci, n);
+ return hw_test_and_clear(ci, OP_ENDPTSETUPSTAT, BIT(n));
}
/**
*
* This function returns an error code
*/
-static int hw_ep_prime(struct ci13xxx *udc, int num, int dir, int is_ctrl)
+static int hw_ep_prime(struct ci13xxx *ci, int num, int dir, int is_ctrl)
{
int n = hw_ep_bit(num, dir);
- if (is_ctrl && dir == RX && hw_read(udc, OP_ENDPTSETUPSTAT, BIT(num)))
+ if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num)))
return -EAGAIN;
- hw_write(udc, OP_ENDPTPRIME, BIT(n), BIT(n));
+ hw_write(ci, OP_ENDPTPRIME, BIT(n), BIT(n));
- while (hw_read(udc, OP_ENDPTPRIME, BIT(n)))
+ while (hw_read(ci, OP_ENDPTPRIME, BIT(n)))
cpu_relax();
- if (is_ctrl && dir == RX && hw_read(udc, OP_ENDPTSETUPSTAT, BIT(num)))
+ if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num)))
return -EAGAIN;
/* status shoult be tested according with manual but it doesn't work */
*
* This function returns an error code
*/
-static int hw_ep_set_halt(struct ci13xxx *udc, int num, int dir, int value)
+static int hw_ep_set_halt(struct ci13xxx *ci, int num, int dir, int value)
{
if (value != 0 && value != 1)
return -EINVAL;
u32 mask_xr = dir ? ENDPTCTRL_TXR : ENDPTCTRL_RXR;
/* data toggle - reserved for EP0 but it's in ESS */
- hw_write(udc, reg, mask_xs|mask_xr,
+ hw_write(ci, reg, mask_xs|mask_xr,
value ? mask_xs : mask_xr);
- } while (value != hw_ep_get_halt(udc, num, dir));
+ } while (value != hw_ep_get_halt(ci, num, dir));
return 0;
}
*
* This function returns true if high speed port
*/
-static int hw_port_is_high_speed(struct ci13xxx *udc)
+static int hw_port_is_high_speed(struct ci13xxx *ci)
{
- return udc->hw_bank.lpm ? hw_read(udc, OP_DEVLC, DEVLC_PSPD) :
- hw_read(udc, OP_PORTSC, PORTSC_HSP);
+ return ci->hw_bank.lpm ? hw_read(ci, OP_DEVLC, DEVLC_PSPD) :
+ hw_read(ci, OP_PORTSC, PORTSC_HSP);
}
/**
*
* This function returns register data
*/
-static u32 hw_read_intr_enable(struct ci13xxx *udc)
+static u32 hw_read_intr_enable(struct ci13xxx *ci)
{
- return hw_read(udc, OP_USBINTR, ~0);
+ return hw_read(ci, OP_USBINTR, ~0);
}
/**
*
* This function returns register data
*/
-static u32 hw_read_intr_status(struct ci13xxx *udc)
+static u32 hw_read_intr_status(struct ci13xxx *ci)
{
- return hw_read(udc, OP_USBSTS, ~0);
+ return hw_read(ci, OP_USBSTS, ~0);
}
/**
*
* This function returns complete status
*/
-static int hw_test_and_clear_complete(struct ci13xxx *udc, int n)
+static int hw_test_and_clear_complete(struct ci13xxx *ci, int n)
{
- n = ep_to_bit(udc, n);
- return hw_test_and_clear(udc, OP_ENDPTCOMPLETE, BIT(n));
+ n = ep_to_bit(ci, n);
+ return hw_test_and_clear(ci, OP_ENDPTCOMPLETE, BIT(n));
}
/**
*
* This function returns active interrutps
*/
-static u32 hw_test_and_clear_intr_active(struct ci13xxx *udc)
+static u32 hw_test_and_clear_intr_active(struct ci13xxx *ci)
{
- u32 reg = hw_read_intr_status(udc) & hw_read_intr_enable(udc);
+ u32 reg = hw_read_intr_status(ci) & hw_read_intr_enable(ci);
- hw_write(udc, OP_USBSTS, ~0, reg);
+ hw_write(ci, OP_USBSTS, ~0, reg);
return reg;
}
*
* This function returns guard value
*/
-static int hw_test_and_clear_setup_guard(struct ci13xxx *udc)
+static int hw_test_and_clear_setup_guard(struct ci13xxx *ci)
{
- return hw_test_and_write(udc, OP_USBCMD, USBCMD_SUTW, 0);
+ return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, 0);
}
/**
*
* This function returns guard value
*/
-static int hw_test_and_set_setup_guard(struct ci13xxx *udc)
+static int hw_test_and_set_setup_guard(struct ci13xxx *ci)
{
- return hw_test_and_write(udc, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW);
+ return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW);
}
/**
* This function explicitly sets the address, without the "USBADRA" (advance)
* feature, which is not supported by older versions of the controller.
*/
-static void hw_usb_set_address(struct ci13xxx *udc, u8 value)
+static void hw_usb_set_address(struct ci13xxx *ci, u8 value)
{
- hw_write(udc, OP_DEVICEADDR, DEVICEADDR_USBADR,
+ hw_write(ci, OP_DEVICEADDR, DEVICEADDR_USBADR,
value << ffs_nr(DEVICEADDR_USBADR));
}
*
* This function returns an error code
*/
-static int hw_usb_reset(struct ci13xxx *udc)
+static int hw_usb_reset(struct ci13xxx *ci)
{
- hw_usb_set_address(udc, 0);
+ hw_usb_set_address(ci, 0);
/* ESS flushes only at end?!? */
- hw_write(udc, OP_ENDPTFLUSH, ~0, ~0);
+ hw_write(ci, OP_ENDPTFLUSH, ~0, ~0);
/* clear setup token semaphores */
- hw_write(udc, OP_ENDPTSETUPSTAT, 0, 0);
+ hw_write(ci, OP_ENDPTSETUPSTAT, 0, 0);
/* clear complete status */
- hw_write(udc, OP_ENDPTCOMPLETE, 0, 0);
+ hw_write(ci, OP_ENDPTCOMPLETE, 0, 0);
/* wait until all bits cleared */
- while (hw_read(udc, OP_ENDPTPRIME, ~0))
+ while (hw_read(ci, OP_ENDPTPRIME, ~0))
udelay(10); /* not RTOS friendly */
/* reset all endpoints ? */
*/
static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
{
- struct ci13xxx *udc = mEp->udc;
+ struct ci13xxx *ci = mEp->ci;
unsigned i;
int ret = 0;
unsigned length = mReq->req.length;
if (!mReq->req.no_interrupt)
mReq->zptr->token |= TD_IOC;
}
- ret = usb_gadget_map_request(&udc->gadget, &mReq->req, mEp->dir);
+ ret = usb_gadget_map_request(&ci->gadget, &mReq->req, mEp->dir);
if (ret)
return ret;
else
mReqPrev->ptr->next = mReq->dma & TD_ADDR_MASK;
wmb();
- if (hw_read(udc, OP_ENDPTPRIME, BIT(n)))
+ if (hw_read(ci, OP_ENDPTPRIME, BIT(n)))
goto done;
do {
- hw_write(udc, OP_USBCMD, USBCMD_ATDTW, USBCMD_ATDTW);
- tmp_stat = hw_read(udc, OP_ENDPTSTAT, BIT(n));
- } while (!hw_read(udc, OP_USBCMD, USBCMD_ATDTW));
- hw_write(udc, OP_USBCMD, USBCMD_ATDTW, 0);
+ hw_write(ci, OP_USBCMD, USBCMD_ATDTW, USBCMD_ATDTW);
+ tmp_stat = hw_read(ci, OP_ENDPTSTAT, BIT(n));
+ } while (!hw_read(ci, OP_USBCMD, USBCMD_ATDTW));
+ hw_write(ci, OP_USBCMD, USBCMD_ATDTW, 0);
if (tmp_stat)
goto done;
}
wmb(); /* synchronize before ep prime */
- ret = hw_ep_prime(udc, mEp->num, mEp->dir,
+ ret = hw_ep_prime(ci, mEp->num, mEp->dir,
mEp->type == USB_ENDPOINT_XFER_CONTROL);
done:
return ret;
mReq->req.status = 0;
- usb_gadget_unmap_request(&mEp->udc->gadget, &mReq->req, mEp->dir);
+ usb_gadget_unmap_request(&mEp->ci->gadget, &mReq->req, mEp->dir);
mReq->req.status = mReq->ptr->token & TD_STATUS;
if ((TD_STATUS_HALTED & mReq->req.status) != 0)
if (mEp == NULL)
return -EINVAL;
- hw_ep_flush(mEp->udc, mEp->num, mEp->dir);
+ hw_ep_flush(mEp->ci, mEp->num, mEp->dir);
while (!list_empty(&mEp->qh.queue)) {
static int _gadget_stop_activity(struct usb_gadget *gadget)
{
struct usb_ep *ep;
- struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget);
+ struct ci13xxx *ci = container_of(gadget, struct ci13xxx, gadget);
unsigned long flags;
- spin_lock_irqsave(&udc->lock, flags);
- udc->gadget.speed = USB_SPEED_UNKNOWN;
- udc->remote_wakeup = 0;
- udc->suspended = 0;
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
+ ci->gadget.speed = USB_SPEED_UNKNOWN;
+ ci->remote_wakeup = 0;
+ ci->suspended = 0;
+ spin_unlock_irqrestore(&ci->lock, flags);
/* flush all endpoints */
gadget_for_each_ep(ep, gadget) {
usb_ep_fifo_flush(ep);
}
- usb_ep_fifo_flush(&udc->ep0out->ep);
- usb_ep_fifo_flush(&udc->ep0in->ep);
+ usb_ep_fifo_flush(&ci->ep0out->ep);
+ usb_ep_fifo_flush(&ci->ep0in->ep);
- if (udc->driver)
- udc->driver->disconnect(gadget);
+ if (ci->driver)
+ ci->driver->disconnect(gadget);
/* make sure to disable all endpoints */
gadget_for_each_ep(ep, gadget) {
usb_ep_disable(ep);
}
- if (udc->status != NULL) {
- usb_ep_free_request(&udc->ep0in->ep, udc->status);
- udc->status = NULL;
+ if (ci->status != NULL) {
+ usb_ep_free_request(&ci->ep0in->ep, ci->status);
+ ci->status = NULL;
}
return 0;
*****************************************************************************/
/**
* isr_reset_handler: USB reset interrupt handler
- * @udc: UDC device
+ * @ci: UDC device
*
* This function resets USB engine after a bus reset occurred
*/
-static void isr_reset_handler(struct ci13xxx *udc)
-__releases(udc->lock)
-__acquires(udc->lock)
+static void isr_reset_handler(struct ci13xxx *ci)
+__releases(ci->lock)
+__acquires(ci->lock)
{
int retval;
dbg_event(0xFF, "BUS RST", 0);
- spin_unlock(&udc->lock);
- retval = _gadget_stop_activity(&udc->gadget);
+ spin_unlock(&ci->lock);
+ retval = _gadget_stop_activity(&ci->gadget);
if (retval)
goto done;
- retval = hw_usb_reset(udc);
+ retval = hw_usb_reset(ci);
if (retval)
goto done;
- udc->status = usb_ep_alloc_request(&udc->ep0in->ep, GFP_ATOMIC);
- if (udc->status == NULL)
+ ci->status = usb_ep_alloc_request(&ci->ep0in->ep, GFP_ATOMIC);
+ if (ci->status == NULL)
retval = -ENOMEM;
done:
- spin_lock(&udc->lock);
+ spin_lock(&ci->lock);
if (retval)
- dev_err(udc->dev, "error: %i\n", retval);
+ dev_err(ci->dev, "error: %i\n", retval);
}
/**
/**
* isr_get_status_response: get_status request response
- * @udc: udc struct
+ * @ci: ci struct
* @setup: setup request packet
*
* This function returns an error code
*/
-static int isr_get_status_response(struct ci13xxx *udc,
+static int isr_get_status_response(struct ci13xxx *ci,
struct usb_ctrlrequest *setup)
__releases(mEp->lock)
__acquires(mEp->lock)
{
- struct ci13xxx_ep *mEp = udc->ep0in;
+ struct ci13xxx_ep *mEp = ci->ep0in;
struct usb_request *req = NULL;
gfp_t gfp_flags = GFP_ATOMIC;
int dir, num, retval;
if ((setup->bRequestType & USB_RECIP_MASK) == USB_RECIP_DEVICE) {
/* Assume that device is bus powered for now. */
- *(u16 *)req->buf = udc->remote_wakeup << 1;
+ *(u16 *)req->buf = ci->remote_wakeup << 1;
retval = 0;
} else if ((setup->bRequestType & USB_RECIP_MASK) \
== USB_RECIP_ENDPOINT) {
dir = (le16_to_cpu(setup->wIndex) & USB_ENDPOINT_DIR_MASK) ?
TX : RX;
num = le16_to_cpu(setup->wIndex) & USB_ENDPOINT_NUMBER_MASK;
- *(u16 *)req->buf = hw_ep_get_halt(udc, num, dir);
+ *(u16 *)req->buf = hw_ep_get_halt(ci, num, dir);
}
/* else do nothing; reserved for future use */
static void
isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req)
{
- struct ci13xxx *udc = req->context;
+ struct ci13xxx *ci = req->context;
unsigned long flags;
- if (udc->setaddr) {
- hw_usb_set_address(udc, udc->address);
- udc->setaddr = false;
+ if (ci->setaddr) {
+ hw_usb_set_address(ci, ci->address);
+ ci->setaddr = false;
}
- spin_lock_irqsave(&udc->lock, flags);
- if (udc->test_mode)
- hw_port_test_set(udc, udc->test_mode);
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
+ if (ci->test_mode)
+ hw_port_test_set(ci, ci->test_mode);
+ spin_unlock_irqrestore(&ci->lock, flags);
}
/**
* isr_setup_status_phase: queues the status phase of a setup transation
- * @udc: udc struct
+ * @ci: ci struct
*
* This function returns an error code
*/
-static int isr_setup_status_phase(struct ci13xxx *udc)
+static int isr_setup_status_phase(struct ci13xxx *ci)
__releases(mEp->lock)
__acquires(mEp->lock)
{
int retval;
struct ci13xxx_ep *mEp;
- mEp = (udc->ep0_dir == TX) ? udc->ep0out : udc->ep0in;
- udc->status->context = udc;
- udc->status->complete = isr_setup_status_complete;
+ mEp = (ci->ep0_dir == TX) ? ci->ep0out : ci->ep0in;
+ ci->status->context = ci;
+ ci->status->complete = isr_setup_status_complete;
spin_unlock(mEp->lock);
- retval = usb_ep_queue(&mEp->ep, udc->status, GFP_ATOMIC);
+ retval = usb_ep_queue(&mEp->ep, ci->status, GFP_ATOMIC);
spin_lock(mEp->lock);
return retval;
spin_unlock(mEp->lock);
if ((mEp->type == USB_ENDPOINT_XFER_CONTROL) &&
mReq->req.length)
- mEpTemp = mEp->udc->ep0in;
+ mEpTemp = mEp->ci->ep0in;
mReq->req.complete(&mEpTemp->ep, &mReq->req);
spin_lock(mEp->lock);
}
/**
* isr_tr_complete_handler: transaction complete interrupt handler
- * @udc: UDC descriptor
+ * @ci: UDC descriptor
*
* This function handles traffic events
*/
-static void isr_tr_complete_handler(struct ci13xxx *udc)
-__releases(udc->lock)
-__acquires(udc->lock)
+static void isr_tr_complete_handler(struct ci13xxx *ci)
+__releases(ci->lock)
+__acquires(ci->lock)
{
unsigned i;
u8 tmode = 0;
- for (i = 0; i < udc->hw_ep_max; i++) {
- struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i];
+ for (i = 0; i < ci->hw_ep_max; i++) {
+ struct ci13xxx_ep *mEp = &ci->ci13xxx_ep[i];
int type, num, dir, err = -EINVAL;
struct usb_ctrlrequest req;
if (mEp->ep.desc == NULL)
continue; /* not configured */
- if (hw_test_and_clear_complete(udc, i)) {
+ if (hw_test_and_clear_complete(ci, i)) {
err = isr_tr_complete_low(mEp);
if (mEp->type == USB_ENDPOINT_XFER_CONTROL) {
if (err > 0) /* needs status phase */
- err = isr_setup_status_phase(udc);
+ err = isr_setup_status_phase(ci);
if (err < 0) {
dbg_event(_usb_addr(mEp),
"ERROR", err);
- spin_unlock(&udc->lock);
+ spin_unlock(&ci->lock);
if (usb_ep_set_halt(&mEp->ep))
- dev_err(udc->dev,
+ dev_err(ci->dev,
"error: ep_set_halt\n");
- spin_lock(&udc->lock);
+ spin_lock(&ci->lock);
}
}
}
if (mEp->type != USB_ENDPOINT_XFER_CONTROL ||
- !hw_test_and_clear_setup_status(udc, i))
+ !hw_test_and_clear_setup_status(ci, i))
continue;
if (i != 0) {
- dev_warn(udc->dev, "ctrl traffic at endpoint %d\n", i);
+ dev_warn(ci->dev, "ctrl traffic at endpoint %d\n", i);
continue;
}
* Flush data and handshake transactions of previous
* setup packet.
*/
- _ep_nuke(udc->ep0out);
- _ep_nuke(udc->ep0in);
+ _ep_nuke(ci->ep0out);
+ _ep_nuke(ci->ep0in);
/* read_setup_packet */
do {
- hw_test_and_set_setup_guard(udc);
+ hw_test_and_set_setup_guard(ci);
memcpy(&req, &mEp->qh.ptr->setup, sizeof(req));
- } while (!hw_test_and_clear_setup_guard(udc));
+ } while (!hw_test_and_clear_setup_guard(ci));
type = req.bRequestType;
- udc->ep0_dir = (type & USB_DIR_IN) ? TX : RX;
+ ci->ep0_dir = (type & USB_DIR_IN) ? TX : RX;
dbg_setup(_usb_addr(mEp), &req);
dir = num & USB_ENDPOINT_DIR_MASK;
num &= USB_ENDPOINT_NUMBER_MASK;
if (dir) /* TX */
- num += udc->hw_ep_max/2;
- if (!udc->ci13xxx_ep[num].wedge) {
- spin_unlock(&udc->lock);
+ num += ci->hw_ep_max/2;
+ if (!ci->ci13xxx_ep[num].wedge) {
+ spin_unlock(&ci->lock);
err = usb_ep_clear_halt(
- &udc->ci13xxx_ep[num].ep);
- spin_lock(&udc->lock);
+ &ci->ci13xxx_ep[num].ep);
+ spin_lock(&ci->lock);
if (err)
break;
}
- err = isr_setup_status_phase(udc);
+ err = isr_setup_status_phase(ci);
} else if (type == (USB_DIR_OUT|USB_RECIP_DEVICE) &&
le16_to_cpu(req.wValue) ==
USB_DEVICE_REMOTE_WAKEUP) {
if (req.wLength != 0)
break;
- udc->remote_wakeup = 0;
- err = isr_setup_status_phase(udc);
+ ci->remote_wakeup = 0;
+ err = isr_setup_status_phase(ci);
} else {
goto delegate;
}
if (le16_to_cpu(req.wLength) != 2 ||
le16_to_cpu(req.wValue) != 0)
break;
- err = isr_get_status_response(udc, &req);
+ err = isr_get_status_response(ci, &req);
break;
case USB_REQ_SET_ADDRESS:
if (type != (USB_DIR_OUT|USB_RECIP_DEVICE))
if (le16_to_cpu(req.wLength) != 0 ||
le16_to_cpu(req.wIndex) != 0)
break;
- udc->address = (u8)le16_to_cpu(req.wValue);
- udc->setaddr = true;
- err = isr_setup_status_phase(udc);
+ ci->address = (u8)le16_to_cpu(req.wValue);
+ ci->setaddr = true;
+ err = isr_setup_status_phase(ci);
break;
case USB_REQ_SET_FEATURE:
if (type == (USB_DIR_OUT|USB_RECIP_ENDPOINT) &&
dir = num & USB_ENDPOINT_DIR_MASK;
num &= USB_ENDPOINT_NUMBER_MASK;
if (dir) /* TX */
- num += udc->hw_ep_max/2;
+ num += ci->hw_ep_max/2;
- spin_unlock(&udc->lock);
- err = usb_ep_set_halt(&udc->ci13xxx_ep[num].ep);
- spin_lock(&udc->lock);
+ spin_unlock(&ci->lock);
+ err = usb_ep_set_halt(&ci->ci13xxx_ep[num].ep);
+ spin_lock(&ci->lock);
if (!err)
- isr_setup_status_phase(udc);
+ isr_setup_status_phase(ci);
} else if (type == (USB_DIR_OUT|USB_RECIP_DEVICE)) {
if (req.wLength != 0)
break;
switch (le16_to_cpu(req.wValue)) {
case USB_DEVICE_REMOTE_WAKEUP:
- udc->remote_wakeup = 1;
- err = isr_setup_status_phase(udc);
+ ci->remote_wakeup = 1;
+ err = isr_setup_status_phase(ci);
break;
case USB_DEVICE_TEST_MODE:
tmode = le16_to_cpu(req.wIndex) >> 8;
case TEST_SE0_NAK:
case TEST_PACKET:
case TEST_FORCE_EN:
- udc->test_mode = tmode;
+ ci->test_mode = tmode;
err = isr_setup_status_phase(
- udc);
+ ci);
break;
default:
break;
default:
delegate:
if (req.wLength == 0) /* no data phase */
- udc->ep0_dir = TX;
+ ci->ep0_dir = TX;
- spin_unlock(&udc->lock);
- err = udc->driver->setup(&udc->gadget, &req);
- spin_lock(&udc->lock);
+ spin_unlock(&ci->lock);
+ err = ci->driver->setup(&ci->gadget, &req);
+ spin_lock(&ci->lock);
break;
}
if (err < 0) {
dbg_event(_usb_addr(mEp), "ERROR", err);
- spin_unlock(&udc->lock);
+ spin_unlock(&ci->lock);
if (usb_ep_set_halt(&mEp->ep))
- dev_err(udc->dev, "error: ep_set_halt\n");
- spin_lock(&udc->lock);
+ dev_err(ci->dev, "error: ep_set_halt\n");
+ spin_lock(&ci->lock);
}
}
}
mEp->ep.desc = desc;
if (!list_empty(&mEp->qh.queue))
- dev_warn(mEp->udc->dev, "enabling a non-empty endpoint!\n");
+ dev_warn(mEp->ci->dev, "enabling a non-empty endpoint!\n");
mEp->dir = usb_endpoint_dir_in(desc) ? TX : RX;
mEp->num = usb_endpoint_num(desc);
* is always enabled
*/
if (mEp->num)
- retval |= hw_ep_enable(mEp->udc, mEp->num, mEp->dir, mEp->type);
+ retval |= hw_ep_enable(mEp->ci, mEp->num, mEp->dir, mEp->type);
spin_unlock_irqrestore(mEp->lock, flags);
return retval;
dbg_event(_usb_addr(mEp), "DISABLE", 0);
retval |= _ep_nuke(mEp);
- retval |= hw_ep_disable(mEp->udc, mEp->num, mEp->dir);
+ retval |= hw_ep_disable(mEp->ci, mEp->num, mEp->dir);
if (mEp->type == USB_ENDPOINT_XFER_CONTROL)
mEp->dir = (mEp->dir == TX) ? RX : TX;
if (ep == NULL || req == NULL) {
return;
} else if (!list_empty(&mReq->queue)) {
- dev_err(mEp->udc->dev, "freeing queued request\n");
+ dev_err(mEp->ci->dev, "freeing queued request\n");
return;
}
{
struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep);
struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req);
- struct ci13xxx *udc = mEp->udc;
+ struct ci13xxx *ci = mEp->ci;
int retval = 0;
unsigned long flags;
if (mEp->type == USB_ENDPOINT_XFER_CONTROL) {
if (req->length)
- mEp = (udc->ep0_dir == RX) ?
- udc->ep0out : udc->ep0in;
+ mEp = (ci->ep0_dir == RX) ?
+ ci->ep0out : ci->ep0in;
if (!list_empty(&mEp->qh.queue)) {
_ep_nuke(mEp);
retval = -EOVERFLOW;
- dev_warn(mEp->udc->dev, "endpoint ctrl %X nuked\n",
+ dev_warn(mEp->ci->dev, "endpoint ctrl %X nuked\n",
_usb_addr(mEp));
}
}
/* first nuke then test link, e.g. previous status has not sent */
if (!list_empty(&mReq->queue)) {
retval = -EBUSY;
- dev_err(mEp->udc->dev, "request already in queue\n");
+ dev_err(mEp->ci->dev, "request already in queue\n");
goto done;
}
if (req->length > 4 * CI13XXX_PAGE_SIZE) {
req->length = 4 * CI13XXX_PAGE_SIZE;
retval = -EMSGSIZE;
- dev_warn(mEp->udc->dev, "request length truncated\n");
+ dev_warn(mEp->ci->dev, "request length truncated\n");
}
dbg_queue(_usb_addr(mEp), req, retval);
dbg_event(_usb_addr(mEp), "DEQUEUE", 0);
- hw_ep_flush(mEp->udc, mEp->num, mEp->dir);
+ hw_ep_flush(mEp->ci, mEp->num, mEp->dir);
/* pop request */
list_del_init(&mReq->queue);
- usb_gadget_unmap_request(&mEp->udc->gadget, req, mEp->dir);
+ usb_gadget_unmap_request(&mEp->ci->gadget, req, mEp->dir);
req->status = -ECONNRESET;
direction = mEp->dir;
do {
dbg_event(_usb_addr(mEp), "HALT", value);
- retval |= hw_ep_set_halt(mEp->udc, mEp->num, mEp->dir, value);
+ retval |= hw_ep_set_halt(mEp->ci, mEp->num, mEp->dir, value);
if (!value)
mEp->wedge = 0;
unsigned long flags;
if (ep == NULL) {
- dev_err(mEp->udc->dev, "%02X: -EINVAL\n", _usb_addr(mEp));
+ dev_err(mEp->ci->dev, "%02X: -EINVAL\n", _usb_addr(mEp));
return;
}
spin_lock_irqsave(mEp->lock, flags);
dbg_event(_usb_addr(mEp), "FFLUSH", 0);
- hw_ep_flush(mEp->udc, mEp->num, mEp->dir);
+ hw_ep_flush(mEp->ci, mEp->num, mEp->dir);
spin_unlock_irqrestore(mEp->lock, flags);
}
*****************************************************************************/
static int ci13xxx_vbus_session(struct usb_gadget *_gadget, int is_active)
{
- struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget);
+ struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget);
unsigned long flags;
int gadget_ready = 0;
- if (!(udc->platdata->flags & CI13XXX_PULLUP_ON_VBUS))
+ if (!(ci->platdata->flags & CI13XXX_PULLUP_ON_VBUS))
return -EOPNOTSUPP;
- spin_lock_irqsave(&udc->lock, flags);
- udc->vbus_active = is_active;
- if (udc->driver)
+ spin_lock_irqsave(&ci->lock, flags);
+ ci->vbus_active = is_active;
+ if (ci->driver)
gadget_ready = 1;
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_unlock_irqrestore(&ci->lock, flags);
if (gadget_ready) {
if (is_active) {
pm_runtime_get_sync(&_gadget->dev);
- hw_device_reset(udc, USBMODE_CM_DC);
- hw_device_state(udc, udc->ep0out->qh.dma);
+ hw_device_reset(ci, USBMODE_CM_DC);
+ hw_device_state(ci, ci->ep0out->qh.dma);
} else {
- hw_device_state(udc, 0);
- if (udc->platdata->notify_event)
- udc->platdata->notify_event(udc,
+ hw_device_state(ci, 0);
+ if (ci->platdata->notify_event)
+ ci->platdata->notify_event(ci,
CI13XXX_CONTROLLER_STOPPED_EVENT);
- _gadget_stop_activity(&udc->gadget);
+ _gadget_stop_activity(&ci->gadget);
pm_runtime_put_sync(&_gadget->dev);
}
}
static int ci13xxx_wakeup(struct usb_gadget *_gadget)
{
- struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget);
+ struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget);
unsigned long flags;
int ret = 0;
- spin_lock_irqsave(&udc->lock, flags);
- if (!udc->remote_wakeup) {
+ spin_lock_irqsave(&ci->lock, flags);
+ if (!ci->remote_wakeup) {
ret = -EOPNOTSUPP;
goto out;
}
- if (!hw_read(udc, OP_PORTSC, PORTSC_SUSP)) {
+ if (!hw_read(ci, OP_PORTSC, PORTSC_SUSP)) {
ret = -EINVAL;
goto out;
}
- hw_write(udc, OP_PORTSC, PORTSC_FPR, PORTSC_FPR);
+ hw_write(ci, OP_PORTSC, PORTSC_FPR, PORTSC_FPR);
out:
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_unlock_irqrestore(&ci->lock, flags);
return ret;
}
static int ci13xxx_vbus_draw(struct usb_gadget *_gadget, unsigned mA)
{
- struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget);
+ struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget);
- if (udc->transceiver)
- return usb_phy_set_power(udc->transceiver, mA);
+ if (ci->transceiver)
+ return usb_phy_set_power(ci->transceiver, mA);
return -ENOTSUPP;
}
.udc_stop = ci13xxx_stop,
};
-static int init_eps(struct ci13xxx *udc)
+static int init_eps(struct ci13xxx *ci)
{
int retval = 0, i, j;
- for (i = 0; i < udc->hw_ep_max/2; i++)
+ for (i = 0; i < ci->hw_ep_max/2; i++)
for (j = RX; j <= TX; j++) {
- int k = i + j * udc->hw_ep_max/2;
- struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[k];
+ int k = i + j * ci->hw_ep_max/2;
+ struct ci13xxx_ep *mEp = &ci->ci13xxx_ep[k];
scnprintf(mEp->name, sizeof(mEp->name), "ep%i%s", i,
(j == TX) ? "in" : "out");
- mEp->udc = udc;
- mEp->lock = &udc->lock;
- mEp->td_pool = udc->td_pool;
+ mEp->ci = ci;
+ mEp->lock = &ci->lock;
+ mEp->td_pool = ci->td_pool;
mEp->ep.name = mEp->name;
mEp->ep.ops = &usb_ep_ops;
mEp->ep.maxpacket = CTRL_PAYLOAD_MAX;
INIT_LIST_HEAD(&mEp->qh.queue);
- mEp->qh.ptr = dma_pool_alloc(udc->qh_pool, GFP_KERNEL,
+ mEp->qh.ptr = dma_pool_alloc(ci->qh_pool, GFP_KERNEL,
&mEp->qh.dma);
if (mEp->qh.ptr == NULL)
retval = -ENOMEM;
*/
if (i == 0) {
if (j == RX)
- udc->ep0out = mEp;
+ ci->ep0out = mEp;
else
- udc->ep0in = mEp;
+ ci->ep0in = mEp;
continue;
}
- list_add_tail(&mEp->ep.ep_list, &udc->gadget.ep_list);
+ list_add_tail(&mEp->ep.ep_list, &ci->gadget.ep_list);
}
return retval;
static int ci13xxx_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
- struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget);
+ struct ci13xxx *ci = container_of(gadget, struct ci13xxx, gadget);
unsigned long flags;
int retval = -ENOMEM;
return -EINVAL;
- udc->ep0out->ep.desc = &ctrl_endpt_out_desc;
- retval = usb_ep_enable(&udc->ep0out->ep);
+ ci->ep0out->ep.desc = &ctrl_endpt_out_desc;
+ retval = usb_ep_enable(&ci->ep0out->ep);
if (retval)
return retval;
- udc->ep0in->ep.desc = &ctrl_endpt_in_desc;
- retval = usb_ep_enable(&udc->ep0in->ep);
+ ci->ep0in->ep.desc = &ctrl_endpt_in_desc;
+ retval = usb_ep_enable(&ci->ep0in->ep);
if (retval)
return retval;
- spin_lock_irqsave(&udc->lock, flags);
-
- udc->driver = driver;
- pm_runtime_get_sync(&udc->gadget.dev);
- if (udc->platdata->flags & CI13XXX_PULLUP_ON_VBUS) {
- if (udc->vbus_active) {
- if (udc->platdata->flags & CI13XXX_REGS_SHARED)
- hw_device_reset(udc, USBMODE_CM_DC);
+ spin_lock_irqsave(&ci->lock, flags);
+
+ ci->driver = driver;
+ pm_runtime_get_sync(&ci->gadget.dev);
+ if (ci->platdata->flags & CI13XXX_PULLUP_ON_VBUS) {
+ if (ci->vbus_active) {
+ if (ci->platdata->flags & CI13XXX_REGS_SHARED)
+ hw_device_reset(ci, USBMODE_CM_DC);
} else {
- pm_runtime_put_sync(&udc->gadget.dev);
+ pm_runtime_put_sync(&ci->gadget.dev);
goto done;
}
}
- retval = hw_device_state(udc, udc->ep0out->qh.dma);
+ retval = hw_device_state(ci, ci->ep0out->qh.dma);
if (retval)
- pm_runtime_put_sync(&udc->gadget.dev);
+ pm_runtime_put_sync(&ci->gadget.dev);
done:
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_unlock_irqrestore(&ci->lock, flags);
return retval;
}
static int ci13xxx_stop(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
- struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget);
+ struct ci13xxx *ci = container_of(gadget, struct ci13xxx, gadget);
unsigned long flags;
- spin_lock_irqsave(&udc->lock, flags);
+ spin_lock_irqsave(&ci->lock, flags);
- if (!(udc->platdata->flags & CI13XXX_PULLUP_ON_VBUS) ||
- udc->vbus_active) {
- hw_device_state(udc, 0);
- if (udc->platdata->notify_event)
- udc->platdata->notify_event(udc,
+ if (!(ci->platdata->flags & CI13XXX_PULLUP_ON_VBUS) ||
+ ci->vbus_active) {
+ hw_device_state(ci, 0);
+ if (ci->platdata->notify_event)
+ ci->platdata->notify_event(ci,
CI13XXX_CONTROLLER_STOPPED_EVENT);
- udc->driver = NULL;
- spin_unlock_irqrestore(&udc->lock, flags);
- _gadget_stop_activity(&udc->gadget);
- spin_lock_irqsave(&udc->lock, flags);
- pm_runtime_put(&udc->gadget.dev);
+ ci->driver = NULL;
+ spin_unlock_irqrestore(&ci->lock, flags);
+ _gadget_stop_activity(&ci->gadget);
+ spin_lock_irqsave(&ci->lock, flags);
+ pm_runtime_put(&ci->gadget.dev);
}
- spin_unlock_irqrestore(&udc->lock, flags);
+ spin_unlock_irqrestore(&ci->lock, flags);
return 0;
}
* BUS block
*****************************************************************************/
/**
- * udc_irq: udc interrupt handler
+ * udc_irq: ci interrupt handler
*
* This function returns IRQ_HANDLED if the IRQ has been handled
* It locks access to registers
*/
-static irqreturn_t udc_irq(struct ci13xxx *udc)
+static irqreturn_t udc_irq(struct ci13xxx *ci)
{
irqreturn_t retval;
u32 intr;
- if (udc == NULL)
+ if (ci == NULL)
return IRQ_HANDLED;
- spin_lock(&udc->lock);
+ spin_lock(&ci->lock);
- if (udc->platdata->flags & CI13XXX_REGS_SHARED) {
- if (hw_read(udc, OP_USBMODE, USBMODE_CM) !=
+ if (ci->platdata->flags & CI13XXX_REGS_SHARED) {
+ if (hw_read(ci, OP_USBMODE, USBMODE_CM) !=
USBMODE_CM_DC) {
- spin_unlock(&udc->lock);
+ spin_unlock(&ci->lock);
return IRQ_NONE;
}
}
- intr = hw_test_and_clear_intr_active(udc);
+ intr = hw_test_and_clear_intr_active(ci);
dbg_interrupt(intr);
if (intr) {
/* order defines priority - do NOT change it */
if (USBi_URI & intr)
- isr_reset_handler(udc);
+ isr_reset_handler(ci);
if (USBi_PCI & intr) {
- udc->gadget.speed = hw_port_is_high_speed(udc) ?
+ ci->gadget.speed = hw_port_is_high_speed(ci) ?
USB_SPEED_HIGH : USB_SPEED_FULL;
- if (udc->suspended && udc->driver->resume) {
- spin_unlock(&udc->lock);
- udc->driver->resume(&udc->gadget);
- spin_lock(&udc->lock);
- udc->suspended = 0;
+ if (ci->suspended && ci->driver->resume) {
+ spin_unlock(&ci->lock);
+ ci->driver->resume(&ci->gadget);
+ spin_lock(&ci->lock);
+ ci->suspended = 0;
}
}
if (USBi_UI & intr)
- isr_tr_complete_handler(udc);
+ isr_tr_complete_handler(ci);
if (USBi_SLI & intr) {
- if (udc->gadget.speed != USB_SPEED_UNKNOWN &&
- udc->driver->suspend) {
- udc->suspended = 1;
- spin_unlock(&udc->lock);
- udc->driver->suspend(&udc->gadget);
- spin_lock(&udc->lock);
+ if (ci->gadget.speed != USB_SPEED_UNKNOWN &&
+ ci->driver->suspend) {
+ ci->suspended = 1;
+ spin_unlock(&ci->lock);
+ ci->driver->suspend(&ci->gadget);
+ spin_lock(&ci->lock);
}
}
retval = IRQ_HANDLED;
} else {
retval = IRQ_NONE;
}
- spin_unlock(&udc->lock);
+ spin_unlock(&ci->lock);
return retval;
}
/**
* udc_start: initialize gadget role
- * @udc: chipidea controller
+ * @ci: chipidea controller
*/
-static int udc_start(struct ci13xxx *udc)
+static int udc_start(struct ci13xxx *ci)
{
- struct device *dev = udc->dev;
+ struct device *dev = ci->dev;
int retval = 0;
- spin_lock_init(&udc->lock);
+ spin_lock_init(&ci->lock);
- udc->gadget.ops = &usb_gadget_ops;
- udc->gadget.speed = USB_SPEED_UNKNOWN;
- udc->gadget.max_speed = USB_SPEED_HIGH;
- udc->gadget.is_otg = 0;
- udc->gadget.name = udc->platdata->name;
+ ci->gadget.ops = &usb_gadget_ops;
+ ci->gadget.speed = USB_SPEED_UNKNOWN;
+ ci->gadget.max_speed = USB_SPEED_HIGH;
+ ci->gadget.is_otg = 0;
+ ci->gadget.name = ci->platdata->name;
- INIT_LIST_HEAD(&udc->gadget.ep_list);
+ INIT_LIST_HEAD(&ci->gadget.ep_list);
- dev_set_name(&udc->gadget.dev, "gadget");
- udc->gadget.dev.dma_mask = dev->dma_mask;
- udc->gadget.dev.coherent_dma_mask = dev->coherent_dma_mask;
- udc->gadget.dev.parent = dev;
- udc->gadget.dev.release = udc_release;
+ dev_set_name(&ci->gadget.dev, "gadget");
+ ci->gadget.dev.dma_mask = dev->dma_mask;
+ ci->gadget.dev.coherent_dma_mask = dev->coherent_dma_mask;
+ ci->gadget.dev.parent = dev;
+ ci->gadget.dev.release = udc_release;
/* alloc resources */
- udc->qh_pool = dma_pool_create("ci13xxx_qh", dev,
+ ci->qh_pool = dma_pool_create("ci13xxx_qh", dev,
sizeof(struct ci13xxx_qh),
64, CI13XXX_PAGE_SIZE);
- if (udc->qh_pool == NULL)
+ if (ci->qh_pool == NULL)
return -ENOMEM;
- udc->td_pool = dma_pool_create("ci13xxx_td", dev,
+ ci->td_pool = dma_pool_create("ci13xxx_td", dev,
sizeof(struct ci13xxx_td),
64, CI13XXX_PAGE_SIZE);
- if (udc->td_pool == NULL) {
+ if (ci->td_pool == NULL) {
retval = -ENOMEM;
goto free_qh_pool;
}
- retval = init_eps(udc);
+ retval = init_eps(ci);
if (retval)
goto free_pools;
- udc->gadget.ep0 = &udc->ep0in->ep;
+ ci->gadget.ep0 = &ci->ep0in->ep;
- udc->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
+ ci->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
- if (udc->platdata->flags & CI13XXX_REQUIRE_TRANSCEIVER) {
- if (udc->transceiver == NULL) {
+ if (ci->platdata->flags & CI13XXX_REQUIRE_TRANSCEIVER) {
+ if (ci->transceiver == NULL) {
retval = -ENODEV;
goto free_pools;
}
}
- if (!(udc->platdata->flags & CI13XXX_REGS_SHARED)) {
- retval = hw_device_reset(udc, USBMODE_CM_DC);
+ if (!(ci->platdata->flags & CI13XXX_REGS_SHARED)) {
+ retval = hw_device_reset(ci, USBMODE_CM_DC);
if (retval)
goto put_transceiver;
}
- retval = device_register(&udc->gadget.dev);
+ retval = device_register(&ci->gadget.dev);
if (retval) {
- put_device(&udc->gadget.dev);
+ put_device(&ci->gadget.dev);
goto put_transceiver;
}
- retval = dbg_create_files(&udc->gadget.dev);
+ retval = dbg_create_files(&ci->gadget.dev);
if (retval)
goto unreg_device;
- if (!IS_ERR_OR_NULL(udc->transceiver)) {
- retval = otg_set_peripheral(udc->transceiver->otg,
- &udc->gadget);
+ if (!IS_ERR_OR_NULL(ci->transceiver)) {
+ retval = otg_set_peripheral(ci->transceiver->otg,
+ &ci->gadget);
if (retval)
goto remove_dbg;
}
- retval = usb_add_gadget_udc(dev, &udc->gadget);
+ retval = usb_add_gadget_udc(dev, &ci->gadget);
if (retval)
goto remove_trans;
- pm_runtime_no_callbacks(&udc->gadget.dev);
- pm_runtime_enable(&udc->gadget.dev);
+ pm_runtime_no_callbacks(&ci->gadget.dev);
+ pm_runtime_enable(&ci->gadget.dev);
return retval;
remove_trans:
- if (!IS_ERR_OR_NULL(udc->transceiver)) {
- otg_set_peripheral(udc->transceiver->otg, &udc->gadget);
- usb_put_phy(udc->transceiver);
+ if (!IS_ERR_OR_NULL(ci->transceiver)) {
+ otg_set_peripheral(ci->transceiver->otg, &ci->gadget);
+ usb_put_phy(ci->transceiver);
}
dev_err(dev, "error = %i\n", retval);
remove_dbg:
- dbg_remove_files(&udc->gadget.dev);
+ dbg_remove_files(&ci->gadget.dev);
unreg_device:
- device_unregister(&udc->gadget.dev);
+ device_unregister(&ci->gadget.dev);
put_transceiver:
- if (!IS_ERR_OR_NULL(udc->transceiver))
- usb_put_phy(udc->transceiver);
+ if (!IS_ERR_OR_NULL(ci->transceiver))
+ usb_put_phy(ci->transceiver);
free_pools:
- dma_pool_destroy(udc->td_pool);
+ dma_pool_destroy(ci->td_pool);
free_qh_pool:
- dma_pool_destroy(udc->qh_pool);
+ dma_pool_destroy(ci->qh_pool);
return retval;
}
*
* No interrupts active, the IRQ has been released
*/
-static void udc_stop(struct ci13xxx *udc)
+static void udc_stop(struct ci13xxx *ci)
{
int i;
- if (udc == NULL)
+ if (ci == NULL)
return;
- usb_del_gadget_udc(&udc->gadget);
+ usb_del_gadget_udc(&ci->gadget);
- for (i = 0; i < udc->hw_ep_max; i++) {
- struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i];
+ for (i = 0; i < ci->hw_ep_max; i++) {
+ struct ci13xxx_ep *mEp = &ci->ci13xxx_ep[i];
- dma_pool_free(udc->qh_pool, mEp->qh.ptr, mEp->qh.dma);
+ dma_pool_free(ci->qh_pool, mEp->qh.ptr, mEp->qh.dma);
}
- dma_pool_destroy(udc->td_pool);
- dma_pool_destroy(udc->qh_pool);
+ dma_pool_destroy(ci->td_pool);
+ dma_pool_destroy(ci->qh_pool);
- if (!IS_ERR_OR_NULL(udc->transceiver)) {
- otg_set_peripheral(udc->transceiver->otg, NULL);
- usb_put_phy(udc->transceiver);
+ if (!IS_ERR_OR_NULL(ci->transceiver)) {
+ otg_set_peripheral(ci->transceiver->otg, NULL);
+ usb_put_phy(ci->transceiver);
}
- dbg_remove_files(&udc->gadget.dev);
- device_unregister(&udc->gadget.dev);
+ dbg_remove_files(&ci->gadget.dev);
+ device_unregister(&ci->gadget.dev);
/* my kobject is dynamic, I swear! */
- memset(&udc->gadget, 0, sizeof(udc->gadget));
+ memset(&ci->gadget, 0, sizeof(ci->gadget));
}
/**
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff