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path: root/drivers/usb/renesas_usbhs
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Diffstat (limited to 'drivers/usb/renesas_usbhs')
-rw-r--r--drivers/usb/renesas_usbhs/common.c17
-rw-r--r--drivers/usb/renesas_usbhs/common.h4
-rw-r--r--drivers/usb/renesas_usbhs/fifo.c6
-rw-r--r--drivers/usb/renesas_usbhs/fifo.h1
-rw-r--r--drivers/usb/renesas_usbhs/mod.c19
-rw-r--r--drivers/usb/renesas_usbhs/mod_gadget.c34
-rw-r--r--drivers/usb/renesas_usbhs/pipe.c15
-rw-r--r--drivers/usb/renesas_usbhs/pipe.h1
8 files changed, 61 insertions, 36 deletions
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 4c3de777ef6c..d438b7871446 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -162,17 +162,17 @@ void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
req->bRequest = (val >> 8) & 0xFF;
req->bRequestType = (val >> 0) & 0xFF;
- req->wValue = usbhs_read(priv, USBVAL);
- req->wIndex = usbhs_read(priv, USBINDX);
- req->wLength = usbhs_read(priv, USBLENG);
+ req->wValue = cpu_to_le16(usbhs_read(priv, USBVAL));
+ req->wIndex = cpu_to_le16(usbhs_read(priv, USBINDX));
+ req->wLength = cpu_to_le16(usbhs_read(priv, USBLENG));
}
void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
{
usbhs_write(priv, USBREQ, (req->bRequest << 8) | req->bRequestType);
- usbhs_write(priv, USBVAL, req->wValue);
- usbhs_write(priv, USBINDX, req->wIndex);
- usbhs_write(priv, USBLENG, req->wLength);
+ usbhs_write(priv, USBVAL, le16_to_cpu(req->wValue));
+ usbhs_write(priv, USBINDX, le16_to_cpu(req->wIndex));
+ usbhs_write(priv, USBLENG, le16_to_cpu(req->wLength));
usbhs_bset(priv, DCPCTR, SUREQ, SUREQ);
}
@@ -590,7 +590,7 @@ static int usbhs_probe(struct platform_device *pdev)
{
const struct renesas_usbhs_platform_info *info;
struct usbhs_priv *priv;
- struct resource *res, *irq_res;
+ struct resource *irq_res;
struct device *dev = &pdev->dev;
int ret, gpio;
u32 tmp;
@@ -619,8 +619,7 @@ static int usbhs_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->base = devm_ioremap_resource(&pdev->dev, res);
+ priv->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(priv->base))
return PTR_ERR(priv->base);
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index d1a0a35ecfff..ef1735d014da 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -161,11 +161,12 @@ struct usbhs_priv;
#define VBSTS (1 << 7) /* VBUS_0 and VBUSIN_0 Input Status */
#define VALID (1 << 3) /* USB Request Receive */
-#define DVSQ_MASK (0x3 << 4) /* Device State */
+#define DVSQ_MASK (0x7 << 4) /* Device State */
#define POWER_STATE (0 << 4)
#define DEFAULT_STATE (1 << 4)
#define ADDRESS_STATE (2 << 4)
#define CONFIGURATION_STATE (3 << 4)
+#define SUSPENDED_STATE (4 << 4)
#define CTSQ_MASK (0x7) /* Control Transfer Stage */
#define IDLE_SETUP_STAGE 0 /* Idle stage or setup stage */
@@ -211,6 +212,7 @@ struct usbhs_priv;
/* DCPCTR */
#define BSTS (1 << 15) /* Buffer Status */
#define SUREQ (1 << 14) /* Sending SETUP Token */
+#define INBUFM (1 << 14) /* (PIPEnCTR) Transfer Buffer Monitor */
#define CSSTS (1 << 12) /* CSSTS Status */
#define ACLRM (1 << 9) /* Buffer Auto-Clear Mode */
#define SQCLR (1 << 8) /* Toggle Bit Clear */
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 2a01ceb71641..01c6a48c41bc 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -89,7 +89,7 @@ static void __usbhsf_pkt_del(struct usbhs_pkt *pkt)
list_del_init(&pkt->node);
}
-static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe)
+struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe)
{
return list_first_entry_or_null(&pipe->list, struct usbhs_pkt, node);
}
@@ -1273,11 +1273,11 @@ static void usbhsf_dma_init_dt(struct device *dev, struct usbhs_fifo *fifo,
*/
snprintf(name, sizeof(name), "ch%d", channel);
if (channel & 1) {
- fifo->tx_chan = dma_request_slave_channel_reason(dev, name);
+ fifo->tx_chan = dma_request_chan(dev, name);
if (IS_ERR(fifo->tx_chan))
fifo->tx_chan = NULL;
} else {
- fifo->rx_chan = dma_request_slave_channel_reason(dev, name);
+ fifo->rx_chan = dma_request_chan(dev, name);
if (IS_ERR(fifo->rx_chan))
fifo->rx_chan = NULL;
}
diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h
index 88d1816bcda2..c3d3cc35cee0 100644
--- a/drivers/usb/renesas_usbhs/fifo.h
+++ b/drivers/usb/renesas_usbhs/fifo.h
@@ -97,5 +97,6 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
void *buf, int len, int zero, int sequence);
struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
void usbhs_pkt_start(struct usbhs_pipe *pipe);
+struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe);
#endif /* RENESAS_USB_FIFO_H */
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 10fc65596014..b98112cefaa4 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -169,17 +169,7 @@ void usbhs_mod_remove(struct usbhs_priv *priv)
*/
int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state)
{
- int state = irq_state->intsts0 & DVSQ_MASK;
-
- switch (state) {
- case POWER_STATE:
- case DEFAULT_STATE:
- case ADDRESS_STATE:
- case CONFIGURATION_STATE:
- return state;
- }
-
- return -EIO;
+ return (int)irq_state->intsts0 & DVSQ_MASK;
}
int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state)
@@ -348,10 +338,6 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
* usbhs_interrupt
*/
- /*
- * it don't enable DVSE (intenb0) here
- * but "mod->irq_dev_state" will be called.
- */
if (info->irq_vbus)
intenb0 |= VBSE;
@@ -362,6 +348,9 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
if (mod->irq_ctrl_stage)
intenb0 |= CTRE;
+ if (mod->irq_dev_state)
+ intenb0 |= DVSE;
+
if (mod->irq_empty && mod->irq_bempsts) {
usbhs_write(priv, BEMPENB, mod->irq_bempsts);
intenb0 |= BEMPE;
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 4d571a5205e2..53489cafecc1 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -265,7 +265,7 @@ static int usbhsg_recip_handler_std_set_device(struct usbhs_priv *priv,
case USB_DEVICE_TEST_MODE:
usbhsg_recip_handler_std_control_done(priv, uep, ctrl);
udelay(100);
- usbhs_sys_set_test_mode(priv, le16_to_cpu(ctrl->wIndex >> 8));
+ usbhs_sys_set_test_mode(priv, le16_to_cpu(ctrl->wIndex) >> 8);
break;
default:
usbhsg_recip_handler_std_control_done(priv, uep, ctrl);
@@ -315,7 +315,7 @@ static void __usbhsg_recip_send_status(struct usbhsg_gpriv *gpriv,
struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(dcp);
struct device *dev = usbhsg_gpriv_to_dev(gpriv);
struct usb_request *req;
- unsigned short *buf;
+ __le16 *buf;
/* alloc new usb_request for recip */
req = usb_ep_alloc_request(&dcp->ep, GFP_ATOMIC);
@@ -457,12 +457,18 @@ static int usbhsg_irq_dev_state(struct usbhs_priv *priv,
{
struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
struct device *dev = usbhsg_gpriv_to_dev(gpriv);
+ int state = usbhs_status_get_device_state(irq_state);
gpriv->gadget.speed = usbhs_bus_get_speed(priv);
- dev_dbg(dev, "state = %x : speed : %d\n",
- usbhs_status_get_device_state(irq_state),
- gpriv->gadget.speed);
+ dev_dbg(dev, "state = %x : speed : %d\n", state, gpriv->gadget.speed);
+
+ if (gpriv->gadget.speed != USB_SPEED_UNKNOWN &&
+ (state & SUSPENDED_STATE)) {
+ if (gpriv->driver && gpriv->driver->suspend)
+ gpriv->driver->suspend(&gpriv->gadget);
+ usb_gadget_set_state(&gpriv->gadget, USB_STATE_SUSPENDED);
+ }
return 0;
}
@@ -722,8 +728,7 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge)
struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
struct device *dev = usbhsg_gpriv_to_dev(gpriv);
unsigned long flags;
-
- usbhsg_pipe_disable(uep);
+ int ret = 0;
dev_dbg(dev, "set halt %d (pipe %d)\n",
halt, usbhs_pipe_number(pipe));
@@ -731,6 +736,18 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge)
/******************** spin lock ********************/
usbhs_lock(priv, flags);
+ /*
+ * According to usb_ep_set_halt()'s description, this function should
+ * return -EAGAIN if the IN endpoint has any queue or data. Note
+ * that the usbhs_pipe_is_dir_in() returns false if the pipe is an
+ * IN endpoint in the gadget mode.
+ */
+ if (!usbhs_pipe_is_dir_in(pipe) && (__usbhsf_pkt_get(pipe) ||
+ usbhs_pipe_contains_transmittable_data(pipe))) {
+ ret = -EAGAIN;
+ goto out;
+ }
+
if (halt)
usbhs_pipe_stall(pipe);
else
@@ -741,10 +758,11 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge)
else
usbhsg_status_clr(gpriv, USBHSG_STATUS_WEDGE);
+out:
usbhs_unlock(priv, flags);
/******************** spin unlock ******************/
- return 0;
+ return ret;
}
static int usbhsg_ep_set_halt(struct usb_ep *ep, int value)
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index c4922b96c93b..9e5afdde1adb 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -277,6 +277,21 @@ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe)
return -EBUSY;
}
+bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe)
+{
+ u16 val;
+
+ /* Do not support for DCP pipe */
+ if (usbhs_pipe_is_dcp(pipe))
+ return false;
+
+ val = usbhsp_pipectrl_get(pipe);
+ if (val & INBUFM)
+ return true;
+
+ return false;
+}
+
/*
* PID ctrl
*/
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index 3080423e600c..3b130529408b 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -83,6 +83,7 @@ void usbhs_pipe_clear(struct usbhs_pipe *pipe);
void usbhs_pipe_clear_without_sequence(struct usbhs_pipe *pipe,
int needs_bfre, int bfre_enable);
int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
+bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe);
void usbhs_pipe_enable(struct usbhs_pipe *pipe);
void usbhs_pipe_disable(struct usbhs_pipe *pipe);
void usbhs_pipe_stall(struct usbhs_pipe *pipe);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-09 06:17:11 +0300