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path: root/drivers/usb/ulpi/ulpi.c
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Diffstat (limited to 'drivers/usb/ulpi/ulpi.c')
-rw-r--r--drivers/usb/ulpi/ulpi.c54
1 files changed, 28 insertions, 26 deletions
diff --git a/drivers/usb/ulpi/ulpi.c b/drivers/usb/ulpi/ulpi.c
index 6202227..dde2585 100644
--- a/drivers/usb/ulpi/ulpi.c
+++ b/drivers/usb/ulpi/ulpi.c
@@ -37,18 +37,18 @@
static struct ulpi_regs *ulpi = (struct ulpi_regs *)0;
-static int ulpi_integrity_check(u32 ulpi_viewport)
+static int ulpi_integrity_check(struct ulpi_viewport *ulpi_vp)
{
u32 val, tval = ULPI_TEST_VALUE;
int err, i;
/* Use the 'special' test value to check all bits */
for (i = 0; i < 2; i++, tval <<= 1) {
- err = ulpi_write(ulpi_viewport, &ulpi->scratch, tval);
+ err = ulpi_write(ulpi_vp, &ulpi->scratch, tval);
if (err)
return err;
- val = ulpi_read(ulpi_viewport, &ulpi->scratch);
+ val = ulpi_read(ulpi_vp, &ulpi->scratch);
if (val != tval) {
printf("ULPI integrity check failed\n");
return val;
@@ -58,7 +58,7 @@ static int ulpi_integrity_check(u32 ulpi_viewport)
return 0;
}
-int ulpi_init(u32 ulpi_viewport)
+int ulpi_init(struct ulpi_viewport *ulpi_vp)
{
u32 val, id = 0;
u8 *reg = &ulpi->product_id_high;
@@ -66,7 +66,7 @@ int ulpi_init(u32 ulpi_viewport)
/* Assemble ID from four ULPI ID registers (8 bits each). */
for (i = 0; i < ULPI_ID_REGS_COUNT; i++) {
- val = ulpi_read(ulpi_viewport, reg - i);
+ val = ulpi_read(ulpi_vp, reg - i);
if (val == ULPI_ERROR)
return val;
@@ -76,10 +76,10 @@ int ulpi_init(u32 ulpi_viewport)
/* Split ID into vendor and product ID. */
debug("ULPI transceiver ID 0x%04x:0x%04x\n", id >> 16, id & 0xffff);
- return ulpi_integrity_check(ulpi_viewport);
+ return ulpi_integrity_check(ulpi_vp);
}
-int ulpi_select_transceiver(u32 ulpi_viewport, unsigned speed)
+int ulpi_select_transceiver(struct ulpi_viewport *ulpi_vp, unsigned speed)
{
u32 tspeed = ULPI_FC_FULL_SPEED;
u32 val;
@@ -96,17 +96,18 @@ int ulpi_select_transceiver(u32 ulpi_viewport, unsigned speed)
"falling back to full speed\n", __func__, speed);
}
- val = ulpi_read(ulpi_viewport, &ulpi->function_ctrl);
+ val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);
if (val == ULPI_ERROR)
return val;
/* clear the previous speed setting */
val = (val & ~ULPI_FC_XCVRSEL_MASK) | tspeed;
- return ulpi_write(ulpi_viewport, &ulpi->function_ctrl, val);
+ return ulpi_write(ulpi_vp, &ulpi->function_ctrl, val);
}
-int ulpi_set_vbus(u32 ulpi_viewport, int on, int ext_power, int ext_ind)
+int ulpi_set_vbus(struct ulpi_viewport *ulpi_vp, int on, int ext_power,
+ int ext_ind)
{
u32 flags = ULPI_OTG_DRVVBUS;
u8 *reg = on ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;
@@ -116,18 +117,18 @@ int ulpi_set_vbus(u32 ulpi_viewport, int on, int ext_power, int ext_ind)
if (ext_ind)
flags |= ULPI_OTG_EXTVBUSIND;
- return ulpi_write(ulpi_viewport, reg, flags);
+ return ulpi_write(ulpi_vp, reg, flags);
}
-int ulpi_set_pd(u32 ulpi_viewport, int enable)
+int ulpi_set_pd(struct ulpi_viewport *ulpi_vp, int enable)
{
u32 val = ULPI_OTG_DP_PULLDOWN | ULPI_OTG_DM_PULLDOWN;
u8 *reg = enable ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;
- return ulpi_write(ulpi_viewport, reg, val);
+ return ulpi_write(ulpi_vp, reg, val);
}
-int ulpi_opmode_sel(u32 ulpi_viewport, unsigned opmode)
+int ulpi_opmode_sel(struct ulpi_viewport *ulpi_vp, unsigned opmode)
{
u32 topmode = ULPI_FC_OPMODE_NORMAL;
u32 val;
@@ -144,17 +145,17 @@ int ulpi_opmode_sel(u32 ulpi_viewport, unsigned opmode)
"falling back to OpMode Normal\n", __func__, opmode);
}
- val = ulpi_read(ulpi_viewport, &ulpi->function_ctrl);
+ val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);
if (val == ULPI_ERROR)
return val;
/* clear the previous opmode setting */
val = (val & ~ULPI_FC_OPMODE_MASK) | topmode;
- return ulpi_write(ulpi_viewport, &ulpi->function_ctrl, val);
+ return ulpi_write(ulpi_vp, &ulpi->function_ctrl, val);
}
-int ulpi_serial_mode_enable(u32 ulpi_viewport, unsigned smode)
+int ulpi_serial_mode_enable(struct ulpi_viewport *ulpi_vp, unsigned smode)
{
switch (smode) {
case ULPI_IFACE_6_PIN_SERIAL_MODE:
@@ -166,14 +167,14 @@ int ulpi_serial_mode_enable(u32 ulpi_viewport, unsigned smode)
return ULPI_ERROR;
}
- return ulpi_write(ulpi_viewport, &ulpi->iface_ctrl_set, smode);
+ return ulpi_write(ulpi_vp, &ulpi->iface_ctrl_set, smode);
}
-int ulpi_suspend(u32 ulpi_viewport)
+int ulpi_suspend(struct ulpi_viewport *ulpi_vp)
{
int err;
- err = ulpi_write(ulpi_viewport, &ulpi->function_ctrl_clear,
+ err = ulpi_write(ulpi_vp, &ulpi->function_ctrl_clear,
ULPI_FC_SUSPENDM);
if (err)
printf("ULPI: %s: failed writing the suspend bit\n", __func__);
@@ -186,7 +187,7 @@ int ulpi_suspend(u32 ulpi_viewport)
* Actual wait for reset must be done in a view port specific way,
* because it involves checking the DIR line.
*/
-static int __ulpi_reset_wait(u32 ulpi_viewport)
+static int __ulpi_reset_wait(struct ulpi_viewport *ulpi_vp)
{
u32 val;
int timeout = CONFIG_USB_ULPI_TIMEOUT;
@@ -199,7 +200,7 @@ static int __ulpi_reset_wait(u32 ulpi_viewport)
* for the error of ulpi_read(), if there is one, then
* there will be a timeout.
*/
- val = ulpi_read(ulpi_viewport, &ulpi->function_ctrl);
+ val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);
if (!(val & ULPI_FC_RESET))
return 0;
@@ -210,18 +211,19 @@ static int __ulpi_reset_wait(u32 ulpi_viewport)
return ULPI_ERROR;
}
-int ulpi_reset_wait(u32) __attribute__((weak, alias("__ulpi_reset_wait")));
+int ulpi_reset_wait(struct ulpi_viewport *ulpi_vp)
+ __attribute__((weak, alias("__ulpi_reset_wait")));
-int ulpi_reset(u32 ulpi_viewport)
+int ulpi_reset(struct ulpi_viewport *ulpi_vp)
{
int err;
- err = ulpi_write(ulpi_viewport,
+ err = ulpi_write(ulpi_vp,
&ulpi->function_ctrl_set, ULPI_FC_RESET);
if (err) {
printf("ULPI: %s: failed writing reset bit\n", __func__);
return err;
}
- return ulpi_reset_wait(ulpi_viewport);
+ return ulpi_reset_wait(ulpi_vp);
}