From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
renesas_usbhs can manually set DATA0/DATA1.
This patch is prepare for mod_host support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/renesas_usbhs/common.h | 3 ++-
drivers/usb/renesas_usbhs/mod_gadget.c | 4 ++--
drivers/usb/renesas_usbhs/pipe.c | 9 ++++++---
drivers/usb/renesas_usbhs/pipe.h | 5 ++++-
4 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index 3b23380..7822b0b 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -187,8 +187,9 @@ struct usbhs_priv;
#define BSTS (1 << 15) /* Buffer Status */
#define SUREQ (1 << 14) /* Sending SETUP Token */
#define CSSTS (1 << 12) /* CSSTS Status */
-#define SQCLR (1 << 8) /* Toggle Bit Clear */
#define ACLRM (1 << 9) /* Buffer Auto-Clear Mode */
+#define SQCLR (1 << 8) /* Toggle Bit Clear */
+#define SQSET (1 << 7) /* Toggle Bit Set */
#define PBUSY (1 << 5) /* Pipe Busy */
#define PID_MASK (0x3) /* Response PID */
#define PID_NAK 0
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index d3d833b..4cc7ee0 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_clear_endpoint(struct usbhs_priv *priv,
if (!usbhsg_status_has(gpriv, USBHSG_STATUS_WEDGE)) {
usbhs_pipe_disable(pipe);
- usbhs_pipe_clear_sequence(pipe);
+ usbhs_pipe_sequence_data0(pipe);
usbhs_pipe_enable(pipe);
}
@@ -479,7 +479,7 @@ static int usbhsg_ep_enable(struct usb_ep *ep,
*/
if (uep->pipe) {
usbhs_pipe_clear(uep->pipe);
- usbhs_pipe_clear_sequence(uep->pipe);
+ usbhs_pipe_sequence_data0(uep->pipe);
return 0;
}
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 6bc9e33..1acbe29 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -471,9 +471,12 @@ int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe)
return usbhsp_flags_has(pipe, IS_DIR_HOST);
}
-void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe)
+void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data)
{
- usbhsp_pipectrl_set(pipe, SQCLR, SQCLR);
+ u16 mask = (SQCLR | SQSET);
+ u16 val = (data) ? SQSET : SQCLR;
+
+ usbhsp_pipectrl_set(pipe, mask, val);
}
void usbhs_pipe_clear(struct usbhs_pipe *pipe)
@@ -584,7 +587,7 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
usbhsp_pipe_cfg_set(pipe, 0xFFFF, pipecfg);
usbhsp_pipe_buf_set(pipe, 0xFFFF, pipebuf);
- usbhs_pipe_clear_sequence(pipe);
+ usbhs_pipe_sequence_data0(pipe);
dev_dbg(dev, "enable pipe %d : %s (%s)\n",
usbhs_pipe_number(pipe),
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index ddbd319..6334fc6 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -82,7 +82,6 @@ int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe);
void usbhs_pipe_init(struct usbhs_priv *priv,
int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map));
int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
-void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe);
void usbhs_pipe_clear(struct usbhs_pipe *pipe);
int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
void usbhs_pipe_enable(struct usbhs_pipe *pipe);
@@ -92,6 +91,10 @@ void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
u16 epnum, u16 maxp);
+#define usbhs_pipe_sequence_data0(pipe) usbhs_pipe_data_sequence(pipe, 0)
+#define usbhs_pipe_sequence_data1(pipe) usbhs_pipe_data_sequence(pipe, 1)
+void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data);
+
#define usbhs_pipe_to_priv(p) ((p)->priv)
#define usbhs_pipe_number(p) (int)((p) - (p)->priv->pipe_info.pipe)
#define usbhs_pipe_is_dcp(p) ((p)->priv->pipe_info.pipe == (p))
--
1.7.7
--
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