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path: root/drivers/usb/renesas_usbhs/pipe.c
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Diffstat (limited to 'drivers/usb/renesas_usbhs/pipe.c')
-rw-r--r--drivers/usb/renesas_usbhs/pipe.c200
1 files changed, 91 insertions, 109 deletions
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 1b14cae45704..c74389ce2177 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -29,9 +29,6 @@
#define usbhsp_flags_has(p, f) ((p)->flags & USBHS_PIPE_FLAGS_##f)
#define usbhsp_flags_init(p) do {(p)->flags = 0; } while (0)
-#define usbhsp_type(p) ((p)->pipe_type)
-#define usbhsp_type_is(p, t) ((p)->pipe_type == t)
-
/*
* for debug
*/
@@ -42,28 +39,9 @@ static char *usbhsp_pipe_name[] = {
[USB_ENDPOINT_XFER_ISOC] = "ISO",
};
-/*
- * usb request functions
- */
-void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
+char *usbhs_pipe_name(struct usbhs_pipe *pipe)
{
- u16 val;
-
- val = usbhs_read(priv, USBREQ);
- 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);
-}
-
-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);
+ return usbhsp_pipe_name[usbhs_pipe_type(pipe)];
}
/*
@@ -106,17 +84,6 @@ static void __usbhsp_pipe_xxx_set(struct usbhs_pipe *pipe,
usbhs_bset(priv, pipe_reg, mask, val);
}
-static u16 __usbhsp_pipe_xxx_get(struct usbhs_pipe *pipe,
- u16 dcp_reg, u16 pipe_reg)
-{
- struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
-
- if (usbhs_pipe_is_dcp(pipe))
- return usbhs_read(priv, dcp_reg);
- else
- return usbhs_read(priv, pipe_reg);
-}
-
/*
* DCPCFG/PIPECFG functions
*/
@@ -144,11 +111,6 @@ static void usbhsp_pipe_maxp_set(struct usbhs_pipe *pipe, u16 mask, u16 val)
__usbhsp_pipe_xxx_set(pipe, DCPMAXP, PIPEMAXP, mask, val);
}
-static u16 usbhsp_pipe_maxp_get(struct usbhs_pipe *pipe)
-{
- return __usbhsp_pipe_xxx_get(pipe, DCPMAXP, PIPEMAXP);
-}
-
/*
* pipe control functions
*/
@@ -303,16 +265,16 @@ static int usbhsp_possible_double_buffer(struct usbhs_pipe *pipe)
/*
* only ISO / BULK pipe can use double buffer
*/
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK) ||
- usbhsp_type_is(pipe, USB_ENDPOINT_XFER_ISOC))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK) ||
+ usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_ISOC))
return 1;
return 0;
}
static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
- const struct usb_endpoint_descriptor *desc,
- int is_host)
+ int is_host,
+ int dir_in)
{
u16 type = 0;
u16 bfre = 0;
@@ -341,40 +303,40 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
*/
/* TYPE */
- type = type_array[usbhsp_type(pipe)];
+ type = type_array[usbhs_pipe_type(pipe)];
/* BFRE */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_ISOC) ||
- usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_ISOC) ||
+ usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK))
bfre = 0; /* FIXME */
/* DBLB */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_ISOC) ||
- usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_ISOC) ||
+ usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK))
dblb = (is_double) ? DBLB : 0;
/* CNTMD */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK))
cntmd = 0; /* FIXME */
/* DIR */
- if (usb_endpoint_dir_in(desc))
+ if (dir_in)
usbhsp_flags_set(pipe, IS_DIR_HOST);
- if ((is_host && usb_endpoint_dir_out(desc)) ||
- (!is_host && usb_endpoint_dir_in(desc)))
+ if ((is_host && !dir_in) ||
+ (!is_host && dir_in))
dir |= DIR_OUT;
if (!dir)
usbhsp_flags_set(pipe, IS_DIR_IN);
/* SHTNAK */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK) &&
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK) &&
!dir)
shtnak = SHTNAK;
/* EPNUM */
- epnum = 0xF & usb_endpoint_num(desc);
+ epnum = 0; /* see usbhs_pipe_config_update() */
return type |
bfre |
@@ -385,19 +347,7 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
epnum;
}
-static u16 usbhsp_setup_pipemaxp(struct usbhs_pipe *pipe,
- const struct usb_endpoint_descriptor *desc,
- int is_host)
-{
- /* host should set DEVSEL */
-
- /* reutn MXPS */
- return PIPE_MAXP_MASK & le16_to_cpu(desc->wMaxPacketSize);
-}
-
-static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
- const struct usb_endpoint_descriptor *desc,
- int is_host)
+static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe)
{
struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv);
@@ -441,9 +391,9 @@ static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
* INT : 64 byte
* ISOC: 512 byte
*/
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_CONTROL))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_CONTROL))
buff_size = 256;
- else if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_INT))
+ else if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_INT))
buff_size = 64;
else
buff_size = 512;
@@ -453,7 +403,7 @@ static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
/* BUFNMB has been reserved for INT pipe
* see above */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_INT)) {
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_INT)) {
bufnmb = pipe_num - 2;
} else {
bufnmb = info->bufnmb_last;
@@ -473,16 +423,42 @@ static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
(0xff & bufnmb) << 0;
}
+void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
+ u16 epnum, u16 maxp)
+{
+ if (devsel > 0xA) {
+ struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ dev_err(dev, "devsel error %d\n", devsel);
+
+ devsel = 0;
+ }
+
+ usbhsp_pipe_barrier(pipe);
+
+ pipe->maxp = maxp;
+
+ usbhsp_pipe_select(pipe);
+ usbhsp_pipe_maxp_set(pipe, 0xFFFF,
+ (devsel << 12) |
+ maxp);
+
+ if (!usbhs_pipe_is_dcp(pipe))
+ usbhsp_pipe_cfg_set(pipe, 0x000F, epnum);
+}
+
/*
* pipe control
*/
int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe)
{
- u16 mask = usbhs_pipe_is_dcp(pipe) ? DCP_MAXP_MASK : PIPE_MAXP_MASK;
-
- usbhsp_pipe_select(pipe);
-
- return (int)(usbhsp_pipe_maxp_get(pipe) & mask);
+ /*
+ * see
+ * usbhs_pipe_config_update()
+ * usbhs_dcp_malloc()
+ */
+ return pipe->maxp;
}
int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe)
@@ -495,9 +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)
@@ -516,7 +495,7 @@ static struct usbhs_pipe *usbhsp_get_pipe(struct usbhs_priv *priv, u32 type)
*/
pipe = NULL;
usbhs_for_each_pipe_with_dcp(pos, priv, i) {
- if (!usbhsp_type_is(pos, type))
+ if (!usbhs_pipe_type_is(pos, type))
continue;
if (usbhsp_flags_has(pos, IS_USED))
continue;
@@ -538,19 +517,12 @@ static struct usbhs_pipe *usbhsp_get_pipe(struct usbhs_priv *priv, u32 type)
}
void usbhs_pipe_init(struct usbhs_priv *priv,
- void (*done)(struct usbhs_pkt *pkt),
int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map))
{
struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv);
- struct device *dev = usbhs_priv_to_dev(priv);
struct usbhs_pipe *pipe;
int i;
- if (!done) {
- dev_err(dev, "no done function\n");
- return;
- }
-
/*
* FIXME
*
@@ -565,7 +537,7 @@ void usbhs_pipe_init(struct usbhs_priv *priv,
*/
info->bufnmb_last = 4;
usbhs_for_each_pipe_with_dcp(pipe, priv, i) {
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_INT))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_INT))
info->bufnmb_last++;
usbhsp_flags_init(pipe);
@@ -577,24 +549,23 @@ void usbhs_pipe_init(struct usbhs_priv *priv,
usbhs_pipe_clear(pipe);
}
- info->done = done;
info->dma_map_ctrl = dma_map_ctrl;
}
struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
- const struct usb_endpoint_descriptor *desc)
+ int endpoint_type,
+ int dir_in)
{
struct device *dev = usbhs_priv_to_dev(priv);
- struct usbhs_mod *mod = usbhs_mod_get_current(priv);
struct usbhs_pipe *pipe;
- int is_host = usbhs_mod_is_host(priv, mod);
+ int is_host = usbhs_mod_is_host(priv);
int ret;
- u16 pipecfg, pipebuf, pipemaxp;
+ u16 pipecfg, pipebuf;
- pipe = usbhsp_get_pipe(priv, usb_endpoint_type(desc));
+ pipe = usbhsp_get_pipe(priv, endpoint_type);
if (!pipe) {
dev_err(dev, "can't get pipe (%s)\n",
- usbhsp_pipe_name[usb_endpoint_type(desc)]);
+ usbhsp_pipe_name[endpoint_type]);
return NULL;
}
@@ -609,22 +580,25 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
return NULL;
}
- pipecfg = usbhsp_setup_pipecfg(pipe, desc, is_host);
- pipebuf = usbhsp_setup_pipebuff(pipe, desc, is_host);
- pipemaxp = usbhsp_setup_pipemaxp(pipe, desc, is_host);
+ pipecfg = usbhsp_setup_pipecfg(pipe, is_host, dir_in);
+ pipebuf = usbhsp_setup_pipebuff(pipe);
usbhsp_pipe_select(pipe);
usbhsp_pipe_cfg_set(pipe, 0xFFFF, pipecfg);
usbhsp_pipe_buf_set(pipe, 0xFFFF, pipebuf);
- usbhsp_pipe_maxp_set(pipe, 0xFFFF, pipemaxp);
- usbhs_pipe_clear_sequence(pipe);
+ usbhs_pipe_sequence_data0(pipe);
dev_dbg(dev, "enable pipe %d : %s (%s)\n",
usbhs_pipe_number(pipe),
- usbhsp_pipe_name[usb_endpoint_type(desc)],
+ usbhs_pipe_name(pipe),
usbhs_pipe_is_dir_in(pipe) ? "in" : "out");
+ /*
+ * epnum / maxp are still not set to this pipe.
+ * call usbhs_pipe_config_update() after this function !!
+ */
+
return pipe;
}
@@ -651,25 +625,31 @@ struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv)
if (!pipe)
return NULL;
+ INIT_LIST_HEAD(&pipe->list);
+
/*
- * dcpcfg : default
- * dcpmaxp : default
- * pipebuf : nothing to do
+ * call usbhs_pipe_config_update() after this function !!
*/
- usbhsp_pipe_select(pipe);
- usbhs_pipe_clear_sequence(pipe);
- INIT_LIST_HEAD(&pipe->list);
-
return pipe;
}
void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe)
{
+ struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
+
WARN_ON(!usbhs_pipe_is_dcp(pipe));
usbhs_pipe_enable(pipe);
- usbhsp_pipectrl_set(pipe, CCPL, CCPL);
+
+ if (!usbhs_mod_is_host(priv)) /* funconly */
+ usbhsp_pipectrl_set(pipe, CCPL, CCPL);
+}
+
+void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out)
+{
+ usbhsp_pipe_cfg_set(pipe, DIR_OUT,
+ dir_out ? DIR_OUT : 0);
}
/*
@@ -703,7 +683,9 @@ int usbhs_pipe_probe(struct usbhs_priv *priv)
*/
usbhs_for_each_pipe_with_dcp(pipe, priv, i) {
pipe->priv = priv;
- usbhsp_type(pipe) = pipe_type[i] & USB_ENDPOINT_XFERTYPE_MASK;
+
+ usbhs_pipe_type(pipe) =
+ pipe_type[i] & USB_ENDPOINT_XFERTYPE_MASK;
dev_dbg(dev, "pipe %x\t: %s\n",
i, usbhsp_pipe_name[pipe_type[i]]);