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path: root/drivers/usb/host/r8a66597-hcd.c
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Diffstat (limited to 'drivers/usb/host/r8a66597-hcd.c')
-rw-r--r--drivers/usb/host/r8a66597-hcd.c118
1 files changed, 108 insertions, 10 deletions
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 319041205b57..f1626e58c141 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -660,9 +660,9 @@ static u16 get_empty_pipenum(struct r8a66597 *r8a66597,
u16 array[R8A66597_MAX_NUM_PIPE], i = 0, min;
memset(array, 0, sizeof(array));
- switch (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
+ switch (usb_endpoint_type(ep)) {
case USB_ENDPOINT_XFER_BULK:
- if (ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
+ if (usb_endpoint_dir_in(ep))
array[i++] = 4;
else {
array[i++] = 3;
@@ -670,7 +670,7 @@ static u16 get_empty_pipenum(struct r8a66597 *r8a66597,
}
break;
case USB_ENDPOINT_XFER_INT:
- if (ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) {
+ if (usb_endpoint_dir_in(ep)) {
array[i++] = 6;
array[i++] = 7;
array[i++] = 8;
@@ -678,7 +678,7 @@ static u16 get_empty_pipenum(struct r8a66597 *r8a66597,
array[i++] = 9;
break;
case USB_ENDPOINT_XFER_ISOC:
- if (ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
+ if (usb_endpoint_dir_in(ep))
array[i++] = 2;
else
array[i++] = 1;
@@ -928,10 +928,9 @@ static void init_pipe_info(struct r8a66597 *r8a66597, struct urb *urb,
info.pipenum = get_empty_pipenum(r8a66597, ep);
info.address = get_urb_to_r8a66597_addr(r8a66597, urb);
- info.epnum = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+ info.epnum = usb_endpoint_num(ep);
info.maxpacket = le16_to_cpu(ep->wMaxPacketSize);
- info.type = get_r8a66597_type(ep->bmAttributes
- & USB_ENDPOINT_XFERTYPE_MASK);
+ info.type = get_r8a66597_type(usb_endpoint_type(ep));
info.bufnum = get_bufnum(info.pipenum);
info.buf_bsize = get_buf_bsize(info.pipenum);
if (info.type == R8A66597_BULK) {
@@ -941,7 +940,7 @@ static void init_pipe_info(struct r8a66597 *r8a66597, struct urb *urb,
info.interval = get_interval(urb, ep->bInterval);
info.timer_interval = get_timer_interval(urb, ep->bInterval);
}
- if (ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
+ if (usb_endpoint_dir_in(ep))
info.dir_in = 1;
else
info.dir_in = 0;
@@ -1014,6 +1013,9 @@ static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port,
r8a66597_write(r8a66597, ~DTCH, get_intsts_reg(port));
r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port));
+
+ if (r8a66597->bus_suspended)
+ usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
}
/* this function must be called with interrupt disabled */
@@ -1395,7 +1397,7 @@ static void packet_write(struct r8a66597 *r8a66597, u16 pipenum)
(int)urb->iso_frame_desc[td->iso_cnt].length);
} else {
buf = (u16 *)(urb->transfer_buffer + urb->actual_length);
- size = min((int)bufsize,
+ size = min_t(u32, bufsize,
urb->transfer_buffer_length - urb->actual_length);
}
@@ -1615,6 +1617,11 @@ static irqreturn_t r8a66597_irq(struct usb_hcd *hcd)
r8a66597_bclr(r8a66597, DTCHE, INTENB2);
r8a66597_usb_disconnect(r8a66597, 1);
}
+ if (mask2 & BCHG) {
+ r8a66597_write(r8a66597, ~BCHG, INTSTS2);
+ r8a66597_bclr(r8a66597, BCHGE, INTENB2);
+ usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
+ }
}
if (mask1) {
@@ -1630,6 +1637,12 @@ static irqreturn_t r8a66597_irq(struct usb_hcd *hcd)
r8a66597_bclr(r8a66597, DTCHE, INTENB1);
r8a66597_usb_disconnect(r8a66597, 0);
}
+ if (mask1 & BCHG) {
+ r8a66597_write(r8a66597, ~BCHG, INTSTS1);
+ r8a66597_bclr(r8a66597, BCHGE, INTENB1);
+ usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
+ }
+
if (mask1 & SIGN) {
r8a66597_write(r8a66597, ~SIGN, INTSTS1);
status = get_urb_error(r8a66597, 0);
@@ -2141,7 +2154,7 @@ static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
switch (wValue) {
case USB_PORT_FEAT_ENABLE:
- rh->port &= (1 << USB_PORT_FEAT_POWER);
+ rh->port &= ~(1 << USB_PORT_FEAT_POWER);
break;
case USB_PORT_FEAT_SUSPEND:
break;
@@ -2213,6 +2226,68 @@ error:
return ret;
}
+#if defined(CONFIG_PM)
+static int r8a66597_bus_suspend(struct usb_hcd *hcd)
+{
+ struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
+ int port;
+
+ dbg("%s", __func__);
+
+ for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
+ unsigned long dvstctr_reg = get_dvstctr_reg(port);
+
+ if (!(rh->port & (1 << USB_PORT_FEAT_ENABLE)))
+ continue;
+
+ dbg("suspend port = %d", port);
+ r8a66597_bclr(r8a66597, UACT, dvstctr_reg); /* suspend */
+ rh->port |= 1 << USB_PORT_FEAT_SUSPEND;
+
+ if (rh->dev->udev->do_remote_wakeup) {
+ msleep(3); /* waiting last SOF */
+ r8a66597_bset(r8a66597, RWUPE, dvstctr_reg);
+ r8a66597_write(r8a66597, ~BCHG, get_intsts_reg(port));
+ r8a66597_bset(r8a66597, BCHGE, get_intenb_reg(port));
+ }
+ }
+
+ r8a66597->bus_suspended = 1;
+
+ return 0;
+}
+
+static int r8a66597_bus_resume(struct usb_hcd *hcd)
+{
+ struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
+ int port;
+
+ dbg("%s", __func__);
+
+ for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
+ unsigned long dvstctr_reg = get_dvstctr_reg(port);
+
+ if (!(rh->port & (1 << USB_PORT_FEAT_SUSPEND)))
+ continue;
+
+ dbg("resume port = %d", port);
+ rh->port &= ~(1 << USB_PORT_FEAT_SUSPEND);
+ rh->port |= 1 << USB_PORT_FEAT_C_SUSPEND;
+ r8a66597_mdfy(r8a66597, RESUME, RESUME | UACT, dvstctr_reg);
+ msleep(50);
+ r8a66597_mdfy(r8a66597, UACT, RESUME | UACT, dvstctr_reg);
+ }
+
+ return 0;
+
+}
+#else
+#define r8a66597_bus_suspend NULL
+#define r8a66597_bus_resume NULL
+#endif
+
static struct hc_driver r8a66597_hc_driver = {
.description = hcd_name,
.hcd_priv_size = sizeof(struct r8a66597),
@@ -2243,16 +2318,39 @@ static struct hc_driver r8a66597_hc_driver = {
*/
.hub_status_data = r8a66597_hub_status_data,
.hub_control = r8a66597_hub_control,
+ .bus_suspend = r8a66597_bus_suspend,
+ .bus_resume = r8a66597_bus_resume,
};
#if defined(CONFIG_PM)
static int r8a66597_suspend(struct platform_device *pdev, pm_message_t state)
{
+ struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+ int port;
+
+ dbg("%s", __func__);
+
+ disable_controller(r8a66597);
+
+ for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
+
+ rh->port = 0x00000000;
+ }
+
return 0;
}
static int r8a66597_resume(struct platform_device *pdev)
{
+ struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+ struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597);
+
+ dbg("%s", __func__);
+
+ enable_controller(r8a66597);
+ usb_root_hub_lost_power(hcd->self.root_hub);
+
return 0;
}
#else /* if defined(CONFIG_PM) */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 02:36:42 +0100