diff options
Diffstat (limited to 'include/usb')
| -rw-r--r-- | include/usb/ulpi.h | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/include/usb/ulpi.h b/include/usb/ulpi.h index 802f077..4a23fd2 100644 --- a/include/usb/ulpi.h +++ b/include/usb/ulpi.h @@ -28,12 +28,23 @@ #endif /* + * ulpi view port address and + * Port_number that can be passed. + * Any additional data to be passed can + * be extended from this structure + */ +struct ulpi_viewport { + u32 viewport_addr; + u32 port_num; +}; + +/* * Initialize the ULPI transciever and check the interface integrity. - * @ulpi_viewport - the address of the ULPI viewport register. + * @ulpi_vp - structure containing ULPI viewport data * * returns 0 on success, ULPI_ERROR on failure. */ -int ulpi_init(u32 ulpi_viewport); +int ulpi_init(struct ulpi_viewport *ulpi_vp); /* * Select transceiver speed. @@ -41,7 +52,7 @@ int ulpi_init(u32 ulpi_viewport); * ULPI_FC_LOW_SPEED, ULPI_FC_FS4LS * returns 0 on success, ULPI_ERROR on failure. */ -int ulpi_select_transceiver(u32 ulpi_viewport, unsigned speed); +int ulpi_select_transceiver(struct ulpi_viewport *ulpi_vp, unsigned speed); /* * Enable/disable VBUS. @@ -50,14 +61,15 @@ int ulpi_select_transceiver(u32 ulpi_viewport, unsigned speed); * * returns 0 on success, ULPI_ERROR on failure. */ -int ulpi_enable_vbus(u32 ulpi_viewport, int on, int ext_power, int ext_ind); +int ulpi_enable_vbus(struct ulpi_viewport *ulpi_vp, + int on, int ext_power, int ext_ind); /* * Enable/disable pull-down resistors on D+ and D- USB lines. * * returns 0 on success, ULPI_ERROR on failure. */ -int ulpi_set_pd(u32 ulpi_viewport, int enable); +int ulpi_set_pd(struct ulpi_viewport *ulpi_vp, int enable); /* * Select OpMode. @@ -66,7 +78,7 @@ int ulpi_set_pd(u32 ulpi_viewport, int enable); * * returns 0 on success, ULPI_ERROR on failure. */ -int ulpi_opmode_sel(u32 ulpi_viewport, unsigned opmode); +int ulpi_opmode_sel(struct ulpi_viewport *ulpi_vp, unsigned opmode); /* * Switch to Serial Mode. @@ -78,7 +90,7 @@ int ulpi_opmode_sel(u32 ulpi_viewport, unsigned opmode); * Switches immediately to Serial Mode. * To return from Serial Mode, STP line needs to be asserted. */ -int ulpi_serial_mode_enable(u32 ulpi_viewport, unsigned smode); +int ulpi_serial_mode_enable(struct ulpi_viewport *ulpi_vp, unsigned smode); /* * Put PHY into low power mode. @@ -89,14 +101,14 @@ int ulpi_serial_mode_enable(u32 ulpi_viewport, unsigned smode); * STP line must be driven low to keep the PHY in suspend. * To resume the PHY, STP line needs to be asserted. */ -int ulpi_suspend(u32 ulpi_viewport); +int ulpi_suspend(struct ulpi_viewport *ulpi_vp); /* * Reset the transceiver. ULPI interface and registers are not affected. * * returns 0 on success, ULPI_ERROR on failure. */ -int ulpi_reset(u32 ulpi_viewport); +int ulpi_reset(struct ulpi_viewport *ulpi_vp); /* ULPI access methods below must be implemented for each ULPI viewport. */ @@ -108,7 +120,7 @@ int ulpi_reset(u32 ulpi_viewport); * * returns 0 on success, ULPI_ERROR on failure. */ -int ulpi_write(u32 ulpi_viewport, u8 *reg, u32 value); +int ulpi_write(struct ulpi_viewport *ulpi_vp, u8 *reg, u32 value); /* * Read the ULPI PHY register content via the viewport. @@ -116,14 +128,14 @@ int ulpi_write(u32 ulpi_viewport, u8 *reg, u32 value); * * returns register content on success, ULPI_ERROR on failure. */ -u32 ulpi_read(u32 ulpi_viewport, u8 *reg); +u32 ulpi_read(struct ulpi_viewport *ulpi_vp, u8 *reg); /* * Wait for the reset to complete. * The Link must not attempt to access the PHY until the reset has * completed and DIR line is de-asserted. */ -int ulpi_reset_wait(u32 ulpi_viewport); +int ulpi_reset_wait(struct ulpi_viewport *ulpi_vp); /* Access Extended Register Set (indicator) */ #define ACCESS_EXT_REGS_OFFSET 0x2f /* read-write */ |