From 6e6db82ba9bf2d5912897f77ccf6902cb8543372 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 10 Oct 2011 22:05:30 -0700 Subject: [PATCH] usb: gadget: renesas_usbhs: modify pipe sequence settings renesas_usbhs can manually set DATA0/DATA1. This patch is prepare for mod_host support Signed-off-by: Kuninori Morimoto Signed-off-by: Felipe Balbi --- 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 3b233809cdaa..7822b0b8aeed 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 d3d833bce5f4..4cc7ee0babc6 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 6bc9e3327064..1acbe29437cb 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 ddbd3193c1fb..6334fc644cc0 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)) -- GitLab