diff options
author | Govindraj.R <govindraj.raja@ti.com> | 2012-02-06 03:55:31 +0000 |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-02-12 10:11:30 +0100 |
commit | 3e6e809f56e0278d964d45e18e6665687d9c174b (patch) | |
tree | 4ab1d5268bc5d5711a044c31a64b9b9ae6a7fe74 /drivers/usb/ulpi/ulpi-viewport.c | |
parent | dd54d3147ebc1f3c1fa78edc2ead9392a1432571 (diff) |
usb: ulpi: Extend the existing ulpi framework.
Extend the existing ulpi viewport framework
to pass the port number information for any ulpi
ops. Fix the usage of ulpi api's accordingly.
Tested-by: Stefano Babic <sbabic@denx.de>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Diffstat (limited to 'drivers/usb/ulpi/ulpi-viewport.c')
-rw-r--r-- | drivers/usb/ulpi/ulpi-viewport.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/usb/ulpi/ulpi-viewport.c b/drivers/usb/ulpi/ulpi-viewport.c index 490fb0e25d..b4974ed2a6 100644 --- a/drivers/usb/ulpi/ulpi-viewport.c +++ b/drivers/usb/ulpi/ulpi-viewport.c @@ -40,13 +40,13 @@ * * returns 0 on mask match, ULPI_ERROR on time out. */ -static int ulpi_wait(u32 ulpi_viewport, u32 mask) +static int ulpi_wait(struct ulpi_viewport *ulpi_vp, u32 mask) { int timeout = CONFIG_USB_ULPI_TIMEOUT; /* Wait for the bits in mask to become zero. */ while (--timeout) { - if ((readl(ulpi_viewport) & mask) == 0) + if ((readl(ulpi_vp->viewport_addr) & mask) == 0) return 0; udelay(1); @@ -60,16 +60,16 @@ static int ulpi_wait(u32 ulpi_viewport, u32 mask) * * returns 0 on success. */ -static int ulpi_wakeup(u32 ulpi_viewport) +static int ulpi_wakeup(struct ulpi_viewport *ulpi_vp) { int err; - if (readl(ulpi_viewport) & ULPI_SS) + if (readl(ulpi_vp->viewport_addr) & ULPI_SS) return 0; /* already awake */ - writel(ULPI_WU, ulpi_viewport); + writel(ULPI_WU, ulpi_vp->viewport_addr); - err = ulpi_wait(ulpi_viewport, ULPI_WU); + err = ulpi_wait(ulpi_vp, ULPI_WU); if (err) printf("ULPI wakeup timed out\n"); @@ -81,38 +81,40 @@ static int ulpi_wakeup(u32 ulpi_viewport) * * @value - the ULPI request */ -static int ulpi_request(u32 ulpi_viewport, u32 value) +static int ulpi_request(struct ulpi_viewport *ulpi_vp, u32 value) { int err; - err = ulpi_wakeup(ulpi_viewport); + err = ulpi_wakeup(ulpi_vp); if (err) return err; - writel(value, ulpi_viewport); + writel(value, ulpi_vp->viewport_addr); - err = ulpi_wait(ulpi_viewport, ULPI_RWRUN); + err = ulpi_wait(ulpi_vp, ULPI_RWRUN); if (err) printf("ULPI request timed out\n"); return err; } -int ulpi_write(u32 ulpi_viewport, u8 *reg, u32 value) +int ulpi_write(struct ulpi_viewport *ulpi_vp, u8 *reg, u32 value) { u32 val = ULPI_RWRUN | ULPI_RWCTRL | ((u32)reg << 16) | (value & 0xff); - return ulpi_request(ulpi_viewport, val); + val |= (ulpi_vp->port_num & 0x7) << 24; + return ulpi_request(ulpi_vp, val); } -u32 ulpi_read(u32 ulpi_viewport, u8 *reg) +u32 ulpi_read(struct ulpi_viewport *ulpi_vp, u8 *reg) { int err; u32 val = ULPI_RWRUN | ((u32)reg << 16); - err = ulpi_request(ulpi_viewport, val); + val |= (ulpi_vp->port_num & 0x7) << 24; + err = ulpi_request(ulpi_vp, val); if (err) return err; - return (readl(ulpi_viewport) >> 8) & 0xff; + return (readl(ulpi_vp->viewport_addr) >> 8) & 0xff; } |