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path: root/drivers/usb/otg/ulpi.c
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Diffstat (limited to 'drivers/usb/otg/ulpi.c')
-rw-r--r--drivers/usb/otg/ulpi.c50
1 files changed, 14 insertions, 36 deletions
diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c
index 9010225..b1b3469 100644
--- a/drivers/usb/otg/ulpi.c
+++ b/drivers/usb/otg/ulpi.c
@@ -29,28 +29,6 @@
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
-/* ULPI register addresses */
-#define ULPI_VID_LOW 0x00 /* Vendor ID low */
-#define ULPI_VID_HIGH 0x01 /* Vendor ID high */
-#define ULPI_PID_LOW 0x02 /* Product ID low */
-#define ULPI_PID_HIGH 0x03 /* Product ID high */
-#define ULPI_ITFCTL 0x07 /* Interface Control */
-#define ULPI_OTGCTL 0x0A /* OTG Control */
-
-/* add to above register address to access Set/Clear functions */
-#define ULPI_REG_SET 0x01
-#define ULPI_REG_CLEAR 0x02
-
-/* ULPI OTG Control Register bits */
-#define ID_PULL_UP (1 << 0) /* enable ID Pull Up */
-#define DP_PULL_DOWN (1 << 1) /* enable DP Pull Down */
-#define DM_PULL_DOWN (1 << 2) /* enable DM Pull Down */
-#define DISCHRG_VBUS (1 << 3) /* Discharge Vbus */
-#define CHRG_VBUS (1 << 4) /* Charge Vbus */
-#define DRV_VBUS (1 << 5) /* Drive Vbus */
-#define DRV_VBUS_EXT (1 << 6) /* Drive Vbus external */
-#define USE_EXT_VBUS_IND (1 << 7) /* Use ext. Vbus indicator */
-
#define ULPI_ID(vendor, product) (((vendor) << 16) | (product))
#define TR_FLAG(flags, a, b) (((flags) & a) ? b : 0)
@@ -65,28 +43,28 @@ static int ulpi_set_flags(struct otg_transceiver *otg)
unsigned int flags = 0;
if (otg->flags & USB_OTG_PULLUP_ID)
- flags |= ID_PULL_UP;
+ flags |= ULPI_OTG_CTRL_ID_PULLUP;
if (otg->flags & USB_OTG_PULLDOWN_DM)
- flags |= DM_PULL_DOWN;
+ flags |= ULPI_OTG_CTRL_DM_PULLDOWN;
if (otg->flags & USB_OTG_PULLDOWN_DP)
- flags |= DP_PULL_DOWN;
+ flags |= ULPI_OTG_CTRL_DP_PULLDOWN;
if (otg->flags & USB_OTG_EXT_VBUS_INDICATOR)
- flags |= USE_EXT_VBUS_IND;
+ flags |= ULPI_OTG_CTRL_EXTVBUSIND;
- return otg_io_write(otg, flags, ULPI_OTGCTL + ULPI_REG_SET);
+ return otg_io_write(otg, flags, ULPI_SET(ULPI_OTG_CTRL));
}
static int ulpi_init(struct otg_transceiver *otg)
{
int i, vid, pid;
- vid = (otg_io_read(otg, ULPI_VID_HIGH) << 8) |
- otg_io_read(otg, ULPI_VID_LOW);
- pid = (otg_io_read(otg, ULPI_PID_HIGH) << 8) |
- otg_io_read(otg, ULPI_PID_LOW);
+ vid = (otg_io_read(otg, ULPI_VENDOR_ID_HIGH) << 8) |
+ otg_io_read(otg, ULPI_VENDOR_ID_LOW);
+ pid = (otg_io_read(otg, ULPI_PRODUCT_ID_HIGH) << 8) |
+ otg_io_read(otg, ULPI_PRODUCT_ID_LOW);
pr_info("ULPI transceiver vendor/product ID 0x%04x/0x%04x\n", vid, pid);
@@ -100,19 +78,19 @@ static int ulpi_init(struct otg_transceiver *otg)
static int ulpi_set_vbus(struct otg_transceiver *otg, bool on)
{
- unsigned int flags = otg_io_read(otg, ULPI_OTGCTL);
+ unsigned int flags = otg_io_read(otg, ULPI_OTG_CTRL);
- flags &= ~(DRV_VBUS | DRV_VBUS_EXT);
+ flags &= ~(ULPI_OTG_CTRL_DRVVBUS | ULPI_OTG_CTRL_DRVVBUS_EXT);
if (on) {
if (otg->flags & USB_OTG_DRV_VBUS)
- flags |= DRV_VBUS;
+ flags |= ULPI_OTG_CTRL_DRVVBUS;
if (otg->flags & USB_OTG_DRV_VBUS_EXT)
- flags |= DRV_VBUS_EXT;
+ flags |= ULPI_OTG_CTRL_DRVVBUS_EXT;
}
- return otg_io_write(otg, flags, ULPI_OTGCTL + ULPI_REG_SET);
+ return otg_io_write(otg, flags, ULPI_SET(ULPI_OTG_CTRL));
}
struct otg_transceiver *
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