module_param(endian, ushort, 0644);
MODULE_PARM_DESC(endian, "data endian: big=256, little=0 (default=0)");
-static unsigned short irq_sense = INTL;
+static unsigned short irq_sense = 0xff;
module_param(irq_sense, ushort, 0644);
MODULE_PARM_DESC(irq_sense, "IRQ sense: low level=32, falling edge=0 "
"(default=32)");
int i = 0;
#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
+#if defined(CONFIG_HAVE_CLK)
+ clk_enable(r8a66597->clk);
+#endif
do {
r8a66597_write(r8a66597, SCKE, SYSCFG0);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 1000) {
- err("register access fail.");
+ printk(KERN_ERR "r8a66597: register access fail.\n");
return -ENXIO;
}
} while ((tmp & SCKE) != SCKE);
r8a66597_write(r8a66597, USBE, SYSCFG0);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 1000) {
- err("register access fail.");
+ printk(KERN_ERR "r8a66597: register access fail.\n");
return -ENXIO;
}
} while ((tmp & USBE) != USBE);
msleep(1);
tmp = r8a66597_read(r8a66597, SYSCFG0);
if (i++ > 500) {
- err("register access fail.");
+ printk(KERN_ERR "r8a66597: register access fail.\n");
return -ENXIO;
}
} while ((tmp & SCKE) != SCKE);
{
r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
udelay(1);
-#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
+#if defined(CONFIG_HAVE_CLK)
+ clk_disable(r8a66597->clk);
+#endif
+#else
r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
if (root_port) {
*root_port = (devpath[0] & 0x0F) - 1;
if (*root_port >= R8A66597_MAX_ROOT_HUB)
- err("illegal root port number");
+ printk(KERN_ERR "r8a66597: Illegal root port number.\n");
}
if (hub_port)
*hub_port = devpath[2] & 0x0F;
usbspd = HSMODE;
break;
default:
- err("unknown speed");
+ printk(KERN_ERR "r8a66597: unknown speed\n");
break;
}
struct r8a66597_device *dev;
if (is_hub_limit(urb->dev->devpath)) {
- err("Externel hub limit reached.");
+ dev_err(&urb->dev->dev, "External hub limit reached.\n");
return 0;
}
return addr;
}
- err("cannot communicate with a USB device more than 10.(%x)",
- r8a66597->address_map);
+ dev_err(&urb->dev->dev,
+ "cannot communicate with a USB device more than 10.(%x)\n",
+ r8a66597->address_map);
return 0;
}
do {
tmp = r8a66597_read(r8a66597, reg);
if (i++ > 1000000) {
- err("register%lx, loop %x is timeout", reg, loop);
+ printk(KERN_ERR "r8a66597: register%lx, loop %x "
+ "is timeout\n", reg, loop);
break;
}
ndelay(1);
array[i++] = 1;
break;
default:
- err("Illegal type");
+ printk(KERN_ERR "r8a66597: Illegal type\n");
return 0;
}
r8a66597_type = R8A66597_ISO;
break;
default:
- err("Illegal type");
+ printk(KERN_ERR "r8a66597: Illegal type\n");
r8a66597_type = 0x0000;
break;
}
else if (check_interrupt(pipenum))
bufnum = 4 + (pipenum - 6);
else
- err("Illegal pipenum (%d)", pipenum);
+ printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
return bufnum;
}
else if (check_interrupt(pipenum))
buf_bsize = 0;
else
- err("Illegal pipenum (%d)", pipenum);
+ printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
return buf_bsize;
}
if ((r8a66597->dma_map & (1 << i)) != 0)
continue;
- info("address %d, EndpointAddress 0x%02x use DMA FIFO",
- usb_pipedevice(urb->pipe),
- info->dir_in ? USB_ENDPOINT_DIR_MASK + info->epnum
- : info->epnum);
+ dev_info(&dev->udev->dev,
+ "address %d, EndpointAddress 0x%02x use "
+ "DMA FIFO\n", usb_pipedevice(urb->pipe),
+ info->dir_in ?
+ USB_ENDPOINT_DIR_MASK + info->epnum
+ : info->epnum);
r8a66597->dma_map |= 1 << i;
dev->dma_map |= 1 << i;
dev->dma_map = 0;
}
+static u16 get_interval(struct urb *urb, __u8 interval)
+{
+ u16 time = 1;
+ int i;
+
+ if (urb->dev->speed == USB_SPEED_HIGH) {
+ if (interval > IITV)
+ time = IITV;
+ else
+ time = interval ? interval - 1 : 0;
+ } else {
+ if (interval > 128) {
+ time = IITV;
+ } else {
+ /* calculate the nearest value for PIPEPERI */
+ for (i = 0; i < 7; i++) {
+ if ((1 << i) < interval &&
+ (1 << (i + 1) > interval))
+ time = 1 << i;
+ }
+ }
+ }
+
+ return time;
+}
+
static unsigned long get_timer_interval(struct urb *urb, __u8 interval)
{
__u8 i;
info.interval = 0;
info.timer_interval = 0;
} else {
- if (ep->bInterval > IITV)
- info.interval = IITV;
- else
- info.interval = ep->bInterval ? ep->bInterval - 1 : 0;
+ info.interval = get_interval(urb, ep->bInterval);
info.timer_interval = get_timer_interval(urb, ep->bInterval);
}
if (ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
disable_irq_nrdy(r8a66597, pipenum);
}
+static void r8a66597_root_hub_start_polling(struct r8a66597 *r8a66597)
+{
+ mod_timer(&r8a66597->rh_timer,
+ jiffies + msecs_to_jiffies(R8A66597_RH_POLL_TIME));
+}
+
+static void start_root_hub_sampling(struct r8a66597 *r8a66597, int port,
+ int connect)
+{
+ struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
+
+ rh->old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port)) & LNST;
+ rh->scount = R8A66597_MAX_SAMPLING;
+ if (connect)
+ rh->port |= 1 << USB_PORT_FEAT_CONNECTION;
+ else
+ rh->port &= ~(1 << USB_PORT_FEAT_CONNECTION);
+ rh->port |= 1 << USB_PORT_FEAT_C_CONNECTION;
+
+ r8a66597_root_hub_start_polling(r8a66597);
+}
+
/* this function must be called with interrupt disabled */
static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port,
u16 syssts)
{
if (syssts == SE0) {
+ r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port));
r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port));
return;
}
{
struct r8a66597_device *dev = r8a66597->root_hub[port].dev;
- r8a66597->root_hub[port].port &= ~(1 << USB_PORT_FEAT_CONNECTION);
- r8a66597->root_hub[port].port |= (1 << USB_PORT_FEAT_C_CONNECTION);
-
disable_r8a66597_pipe_all(r8a66597, dev);
free_usb_address(r8a66597, dev);
- r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port));
+ start_root_hub_sampling(r8a66597, port, 0);
}
/* this function must be called with interrupt disabled */
prepare_status_packet(r8a66597, td);
break;
default:
- err("invalid type.");
+ printk(KERN_ERR "r8a66597: invalid type.\n");
break;
}
if (unlikely((tmp & FRDY) == 0)) {
pipe_stop(r8a66597, td->pipe);
pipe_irq_disable(r8a66597, pipenum);
- err("in fifo not ready (%d)", pipenum);
+ printk(KERN_ERR "r8a66597: in fifo not ready (%d)\n", pipenum);
finish_request(r8a66597, td, pipenum, td->urb, -EPIPE);
return;
}
if (unlikely((tmp & FRDY) == 0)) {
pipe_stop(r8a66597, td->pipe);
pipe_irq_disable(r8a66597, pipenum);
- err("out write fifo not ready. (%d)", pipenum);
+ printk(KERN_ERR "r8a66597: out fifo not ready (%d)\n", pipenum);
finish_request(r8a66597, td, pipenum, urb, -EPIPE);
return;
}
}
}
-static void r8a66597_root_hub_start_polling(struct r8a66597 *r8a66597)
-{
- mod_timer(&r8a66597->rh_timer,
- jiffies + msecs_to_jiffies(R8A66597_RH_POLL_TIME));
-}
-
-static void start_root_hub_sampling(struct r8a66597 *r8a66597, int port)
-{
- struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
-
- rh->old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port)) & LNST;
- rh->scount = R8A66597_MAX_SAMPLING;
- r8a66597->root_hub[port].port |= (1 << USB_PORT_FEAT_CONNECTION)
- | (1 << USB_PORT_FEAT_C_CONNECTION);
- r8a66597_root_hub_start_polling(r8a66597);
-}
-
static irqreturn_t r8a66597_irq(struct usb_hcd *hcd)
{
struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
r8a66597_bclr(r8a66597, ATTCHE, INTENB2);
/* start usb bus sampling */
- start_root_hub_sampling(r8a66597, 1);
+ start_root_hub_sampling(r8a66597, 1, 1);
}
if (mask2 & DTCH) {
r8a66597_write(r8a66597, ~DTCH, INTSTS2);
r8a66597_bclr(r8a66597, ATTCHE, INTENB1);
/* start usb bus sampling */
- start_root_hub_sampling(r8a66597, 0);
+ start_root_hub_sampling(r8a66597, 0, 1);
}
if (mask1 & DTCH) {
r8a66597_write(r8a66597, ~DTCH, INTSTS1);
{
struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597;
unsigned long flags;
+ int port;
spin_lock_irqsave(&r8a66597->lock, flags);
- r8a66597_root_hub_control(r8a66597, 0);
- r8a66597_root_hub_control(r8a66597, 1);
+ for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ r8a66597_root_hub_control(r8a66597, port);
spin_unlock_irqrestore(&r8a66597->lock, flags);
}
return dev;
}
- err("get_r8a66597_device fail.(%d)\n", addr);
+ printk(KERN_ERR "r8a66597: get_r8a66597_device fail.(%d)\n", addr);
return NULL;
}
del_timer_sync(&r8a66597->rh_timer);
usb_remove_hcd(hcd);
iounmap((void *)r8a66597->reg);
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ clk_put(r8a66597->clk);
+#endif
usb_put_hcd(hcd);
return 0;
}
-#define resource_len(r) (((r)->end - (r)->start) + 1)
static int __init r8a66597_probe(struct platform_device *pdev)
{
- struct resource *res = NULL;
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ char clk_name[8];
+#endif
+ struct resource *res = NULL, *ires;
int irq = -1;
void __iomem *reg = NULL;
struct usb_hcd *hcd = NULL;
if (pdev->dev.dma_mask) {
ret = -EINVAL;
- err("dma not support");
+ dev_err(&pdev->dev, "dma not supported\n");
goto clean_up;
}
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- (char *)hcd_name);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
ret = -ENODEV;
- err("platform_get_resource_byname error.");
+ dev_err(&pdev->dev, "platform_get_resource error.\n");
goto clean_up;
}
- irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
+ ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!ires) {
ret = -ENODEV;
- err("platform_get_irq error.");
+ dev_err(&pdev->dev,
+ "platform_get_resource IORESOURCE_IRQ error.\n");
goto clean_up;
}
- reg = ioremap(res->start, resource_len(res));
+ irq = ires->start;
+ irq_trigger = ires->flags & IRQF_TRIGGER_MASK;
+
+ reg = ioremap(res->start, resource_size(res));
if (reg == NULL) {
ret = -ENOMEM;
- err("ioremap error.");
+ dev_err(&pdev->dev, "ioremap error.\n");
goto clean_up;
}
hcd = usb_create_hcd(&r8a66597_hc_driver, &pdev->dev, (char *)hcd_name);
if (!hcd) {
ret = -ENOMEM;
- err("Failed to create hcd");
+ dev_err(&pdev->dev, "Failed to create hcd\n");
goto clean_up;
}
r8a66597 = hcd_to_r8a66597(hcd);
memset(r8a66597, 0, sizeof(struct r8a66597));
dev_set_drvdata(&pdev->dev, r8a66597);
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
+ r8a66597->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(r8a66597->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
+ ret = PTR_ERR(r8a66597->clk);
+ goto clean_up2;
+ }
+#endif
+
spin_lock_init(&r8a66597->lock);
init_timer(&r8a66597->rh_timer);
r8a66597->rh_timer.function = r8a66597_timer;
INIT_LIST_HEAD(&r8a66597->child_device);
hcd->rsrc_start = res->start;
- if (irq_sense == INTL)
- irq_trigger = IRQF_TRIGGER_LOW;
- else
- irq_trigger = IRQF_TRIGGER_FALLING;
+
+ /* irq_sense setting on cmdline takes precedence over resource
+ * settings, so the introduction of irqflags in IRQ resourse
+ * won't disturb existing setups */
+ switch (irq_sense) {
+ case INTL:
+ irq_trigger = IRQF_TRIGGER_LOW;
+ break;
+ case 0:
+ irq_trigger = IRQF_TRIGGER_FALLING;
+ break;
+ case 0xff:
+ if (irq_trigger)
+ irq_sense = (irq_trigger & IRQF_TRIGGER_LOW) ?
+ INTL : 0;
+ else {
+ irq_sense = INTL;
+ irq_trigger = IRQF_TRIGGER_LOW;
+ }
+ break;
+ default:
+ dev_err(&pdev->dev, "Unknown irq_sense value.\n");
+ }
+
ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger);
if (ret != 0) {
- err("Failed to add hcd");
- goto clean_up;
+ dev_err(&pdev->dev, "Failed to add hcd\n");
+ goto clean_up3;
}
return 0;
+clean_up3:
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ clk_put(r8a66597->clk);
+clean_up2:
+#endif
+ usb_put_hcd(hcd);
+
clean_up:
if (reg)
iounmap(reg);
if (usb_disabled())
return -ENODEV;
- info("driver %s, %s", hcd_name, DRIVER_VERSION);
+ printk(KERN_INFO KBUILD_MODNAME ": driver %s, %s\n", hcd_name,
+ DRIVER_VERSION);
return platform_driver_register(&r8a66597_driver);
}
module_init(r8a66597_init);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff