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path: root/drivers/usb/gadget/fsl_udc_core.c
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Diffstat (limited to 'drivers/usb/gadget/fsl_udc_core.c')
-rw-r--r--drivers/usb/gadget/fsl_udc_core.c151
1 files changed, 57 insertions, 94 deletions
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 7c2a101d19a..28e4fc95702 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1219,6 +1219,10 @@ static int fsl_pullup(struct usb_gadget *gadget, int is_on)
struct fsl_udc *udc;
udc = container_of(gadget, struct fsl_udc, gadget);
+
+ if (!udc->vbus_active)
+ return -EOPNOTSUPP;
+
udc->softconnect = (is_on != 0);
if (can_pullup(udc))
fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP),
@@ -2010,47 +2014,37 @@ static int fsl_udc_stop(struct usb_gadget *g,
static const char proc_filename[] = "driver/fsl_usb2_udc";
-static int fsl_proc_read(char *page, char **start, off_t off, int count,
- int *eof, void *_dev)
+static int fsl_proc_read(struct seq_file *m, void *v)
{
- char *buf = page;
- char *next = buf;
- unsigned size = count;
unsigned long flags;
- int t, i;
+ int i;
u32 tmp_reg;
struct fsl_ep *ep = NULL;
struct fsl_req *req;
struct fsl_udc *udc = udc_controller;
- if (off != 0)
- return 0;
spin_lock_irqsave(&udc->lock, flags);
/* ------basic driver information ---- */
- t = scnprintf(next, size,
+ seq_printf(m,
DRIVER_DESC "\n"
"%s version: %s\n"
"Gadget driver: %s\n\n",
driver_name, DRIVER_VERSION,
udc->driver ? udc->driver->driver.name : "(none)");
- size -= t;
- next += t;
/* ------ DR Registers ----- */
tmp_reg = fsl_readl(&dr_regs->usbcmd);
- t = scnprintf(next, size,
+ seq_printf(m,
"USBCMD reg:\n"
"SetupTW: %d\n"
"Run/Stop: %s\n\n",
(tmp_reg & USB_CMD_SUTW) ? 1 : 0,
(tmp_reg & USB_CMD_RUN_STOP) ? "Run" : "Stop");
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->usbsts);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Status Reg:\n"
"Dr Suspend: %d Reset Received: %d System Error: %s "
"USB Error Interrupt: %s\n\n",
@@ -2058,11 +2052,9 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
(tmp_reg & USB_STS_RESET) ? 1 : 0,
(tmp_reg & USB_STS_SYS_ERR) ? "Err" : "Normal",
(tmp_reg & USB_STS_ERR) ? "Err detected" : "No err");
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->usbintr);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Interrupt Enable Reg:\n"
"Sleep Enable: %d SOF Received Enable: %d "
"Reset Enable: %d\n"
@@ -2076,33 +2068,25 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
(tmp_reg & USB_INTR_PTC_DETECT_EN) ? 1 : 0,
(tmp_reg & USB_INTR_ERR_INT_EN) ? 1 : 0,
(tmp_reg & USB_INTR_INT_EN) ? 1 : 0);
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->frindex);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Frame Index Reg: Frame Number is 0x%x\n\n",
(tmp_reg & USB_FRINDEX_MASKS));
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->deviceaddr);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Device Address Reg: Device Addr is 0x%x\n\n",
(tmp_reg & USB_DEVICE_ADDRESS_MASK));
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->endpointlistaddr);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Endpoint List Address Reg: "
"Device Addr is 0x%x\n\n",
(tmp_reg & USB_EP_LIST_ADDRESS_MASK));
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->portsc1);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Port Status&Control Reg:\n"
"Port Transceiver Type : %s Port Speed: %s\n"
"PHY Low Power Suspend: %s Port Reset: %s "
@@ -2111,7 +2095,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
"Port Enable/Disable Change: %s\n"
"Port Enabled/Disabled: %s "
"Current Connect Status: %s\n\n", ( {
- char *s;
+ const char *s;
switch (tmp_reg & PORTSCX_PTS_FSLS) {
case PORTSCX_PTS_UTMI:
s = "UTMI"; break;
@@ -2137,13 +2121,11 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
"Not correct",
(tmp_reg & PORTSCX_CURRENT_CONNECT_STATUS) ?
"Attached" : "Not-Att");
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->usbmode);
- t = scnprintf(next, size,
+ seq_printf(m,
"USB Mode Reg: Controller Mode is: %s\n\n", ( {
- char *s;
+ const char *s;
switch (tmp_reg & USB_MODE_CTRL_MODE_HOST) {
case USB_MODE_CTRL_MODE_IDLE:
s = "Idle"; break;
@@ -2156,103 +2138,87 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
}
s;
} ));
- size -= t;
- next += t;
tmp_reg = fsl_readl(&dr_regs->endptsetupstat);
- t = scnprintf(next, size,
+ seq_printf(m,
"Endpoint Setup Status Reg: SETUP on ep 0x%x\n\n",
(tmp_reg & EP_SETUP_STATUS_MASK));
- size -= t;
- next += t;
for (i = 0; i < udc->max_ep / 2; i++) {
tmp_reg = fsl_readl(&dr_regs->endptctrl[i]);
- t = scnprintf(next, size, "EP Ctrl Reg [0x%x]: = [0x%x]\n",
- i, tmp_reg);
- size -= t;
- next += t;
+ seq_printf(m, "EP Ctrl Reg [0x%x]: = [0x%x]\n", i, tmp_reg);
}
tmp_reg = fsl_readl(&dr_regs->endpointprime);
- t = scnprintf(next, size, "EP Prime Reg = [0x%x]\n\n", tmp_reg);
- size -= t;
- next += t;
+ seq_printf(m, "EP Prime Reg = [0x%x]\n\n", tmp_reg);
#ifndef CONFIG_ARCH_MXC
if (udc->pdata->have_sysif_regs) {
tmp_reg = usb_sys_regs->snoop1;
- t = scnprintf(next, size, "Snoop1 Reg : = [0x%x]\n\n", tmp_reg);
- size -= t;
- next += t;
+ seq_printf(m, "Snoop1 Reg : = [0x%x]\n\n", tmp_reg);
tmp_reg = usb_sys_regs->control;
- t = scnprintf(next, size, "General Control Reg : = [0x%x]\n\n",
- tmp_reg);
- size -= t;
- next += t;
+ seq_printf(m, "General Control Reg : = [0x%x]\n\n", tmp_reg);
}
#endif
/* ------fsl_udc, fsl_ep, fsl_request structure information ----- */
ep = &udc->eps[0];
- t = scnprintf(next, size, "For %s Maxpkt is 0x%x index is 0x%x\n",
+ seq_printf(m, "For %s Maxpkt is 0x%x index is 0x%x\n",
ep->ep.name, ep_maxpacket(ep), ep_index(ep));
- size -= t;
- next += t;
if (list_empty(&ep->queue)) {
- t = scnprintf(next, size, "its req queue is empty\n\n");
- size -= t;
- next += t;
+ seq_puts(m, "its req queue is empty\n\n");
} else {
list_for_each_entry(req, &ep->queue, queue) {
- t = scnprintf(next, size,
+ seq_printf(m,
"req %p actual 0x%x length 0x%x buf %p\n",
&req->req, req->req.actual,
req->req.length, req->req.buf);
- size -= t;
- next += t;
}
}
/* other gadget->eplist ep */
list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
if (ep->ep.desc) {
- t = scnprintf(next, size,
+ seq_printf(m,
"\nFor %s Maxpkt is 0x%x "
"index is 0x%x\n",
ep->ep.name, ep_maxpacket(ep),
ep_index(ep));
- size -= t;
- next += t;
if (list_empty(&ep->queue)) {
- t = scnprintf(next, size,
- "its req queue is empty\n\n");
- size -= t;
- next += t;
+ seq_puts(m, "its req queue is empty\n\n");
} else {
list_for_each_entry(req, &ep->queue, queue) {
- t = scnprintf(next, size,
+ seq_printf(m,
"req %p actual 0x%x length "
"0x%x buf %p\n",
&req->req, req->req.actual,
req->req.length, req->req.buf);
- size -= t;
- next += t;
- } /* end for each_entry of ep req */
- } /* end for else */
- } /* end for if(ep->queue) */
- } /* end (ep->desc) */
+ } /* end for each_entry of ep req */
+ } /* end for else */
+ } /* end for if(ep->queue) */
+ } /* end (ep->desc) */
spin_unlock_irqrestore(&udc->lock, flags);
+ return 0;
+}
- *eof = 1;
- return count - size;
+/*
+ * seq_file wrappers for procfile show routines.
+ */
+static int fsl_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, fsl_proc_read, NULL);
}
-#define create_proc_file() create_proc_read_entry(proc_filename, \
- 0, NULL, fsl_proc_read, NULL)
+static const struct file_operations fsl_proc_fops = {
+ .open = fsl_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+#define create_proc_file() proc_create(proc_filename, 0, NULL, &fsl_proc_fops)
#define remove_proc_file() remove_proc_entry(proc_filename, NULL)
#else /* !CONFIG_USB_GADGET_DEBUG_FILES */
@@ -2286,14 +2252,12 @@ static int __init struct_udc_setup(struct fsl_udc *udc,
struct fsl_usb2_platform_data *pdata;
size_t size;
- pdata = pdev->dev.platform_data;
+ pdata = dev_get_platdata(&pdev->dev);
udc->phy_mode = pdata->phy_mode;
udc->eps = kzalloc(sizeof(struct fsl_ep) * udc->max_ep, GFP_KERNEL);
- if (!udc->eps) {
- ERR("malloc fsl_ep failed\n");
+ if (!udc->eps)
return -1;
- }
/* initialized QHs, take care of alignment */
size = udc->max_ep * sizeof(struct ep_queue_head);
@@ -2349,7 +2313,7 @@ static int __init struct_ep_setup(struct fsl_udc *udc, unsigned char index,
/* for ep0: maxP defined in desc
* for other eps, maxP is set by epautoconfig() called by gadget layer
*/
- ep->ep.maxpacket = (unsigned short) ~0;
+ usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0);
/* the queue lists any req for this ep */
INIT_LIST_HEAD(&ep->queue);
@@ -2376,12 +2340,10 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
u32 dccparams;
udc_controller = kzalloc(sizeof(struct fsl_udc), GFP_KERNEL);
- if (udc_controller == NULL) {
- ERR("malloc udc failed\n");
+ if (udc_controller == NULL)
return -ENOMEM;
- }
- pdata = pdev->dev.platform_data;
+ pdata = dev_get_platdata(&pdev->dev);
udc_controller->pdata = pdata;
spin_lock_init(&udc_controller->lock);
udc_controller->stopped = 1;
@@ -2507,7 +2469,8 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
* for other eps, gadget layer called ep_enable with defined desc
*/
udc_controller->eps[0].ep.desc = &fsl_ep0_desc;
- udc_controller->eps[0].ep.maxpacket = USB_MAX_CTRL_PAYLOAD;
+ usb_ep_set_maxpacket_limit(&udc_controller->eps[0].ep,
+ USB_MAX_CTRL_PAYLOAD);
/* setup the udc->eps[] for non-control endpoints and link
* to gadget.ep_list */
@@ -2562,15 +2525,15 @@ err_kfree:
static int __exit fsl_udc_remove(struct platform_device *pdev)
{
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
+ struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
DECLARE_COMPLETION(done);
if (!udc_controller)
return -ENODEV;
- usb_del_gadget_udc(&udc_controller->gadget);
udc_controller->done = &done;
+ usb_del_gadget_udc(&udc_controller->gadget);
fsl_udc_clk_release();
@@ -2704,7 +2667,7 @@ static struct platform_driver udc_driver = {
.suspend = fsl_udc_suspend,
.resume = fsl_udc_resume,
.driver = {
- .name = (char *)driver_name,
+ .name = driver_name,
.owner = THIS_MODULE,
/* udc suspend/resume called from OTG driver */
.suspend = fsl_udc_otg_suspend,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-20 04:00:35 +0000