From fff147208b48680cb7b627a144113a6585828a0e Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Fri, 5 Sep 2008 22:15:23 +0800 Subject: [ARM] pxa/spitz: use generic GPIO API for SCOOP1/SCOOP2 GPIOs Original patch from Dmitry Baryshkov's inital scoop gpio conversion work at http://git.infradead.org/users/dbaryshkov/zaurus-2.6.git. Signed-off-by: Dmitry Baryshkov Signed-off-by: Eric Miao Signed-off-by: Russell King --- arch/arm/mach-pxa/spitz.c | 66 ++++++++++++++++++++++++++++++----------------- 1 file changed, 42 insertions(+), 24 deletions(-) (limited to 'arch/arm/mach-pxa/spitz.c') diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 8b06b7a749df..290008296e1b 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -134,10 +134,11 @@ static struct resource spitz_scoop_resources[] = { }; static struct scoop_config spitz_scoop_setup = { - .io_dir = SPITZ_SCP_IO_DIR, + .io_dir = SPITZ_SCP_IO_DIR, .io_out = SPITZ_SCP_IO_OUT, - .suspend_clr = SPITZ_SCP_SUS_CLR, - .suspend_set = SPITZ_SCP_SUS_SET, + .suspend_clr = SPITZ_SCP_SUS_CLR, + .suspend_set = SPITZ_SCP_SUS_SET, + .gpio_base = SPITZ_SCP_GPIO_BASE, }; struct platform_device spitzscoop_device = { @@ -162,10 +163,11 @@ static struct resource spitz_scoop2_resources[] = { }; static struct scoop_config spitz_scoop2_setup = { - .io_dir = SPITZ_SCP2_IO_DIR, + .io_dir = SPITZ_SCP2_IO_DIR, .io_out = SPITZ_SCP2_IO_OUT, - .suspend_clr = SPITZ_SCP2_SUS_CLR, - .suspend_set = SPITZ_SCP2_SUS_SET, + .suspend_clr = SPITZ_SCP2_SUS_CLR, + .suspend_set = SPITZ_SCP2_SUS_SET, + .gpio_base = SPITZ_SCP2_GPIO_BASE, }; struct platform_device spitzscoop2_device = { @@ -187,7 +189,7 @@ static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr) unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); if (new_cpr & 0x0007) { - set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); + gpio_set_value(SPITZ_GPIO_CF_POWER, 1); if (!(cpr & 0x0002) && !(cpr & 0x0004)) mdelay(5); if (device == SPITZ_PWR_CF) @@ -203,7 +205,7 @@ static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr) if (!(cpr & 0x0002) && !(cpr & 0x0004)) { write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000); mdelay(1); - reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); + gpio_set_value(SPITZ_GPIO_CF_POWER, 0); } else { write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); } @@ -283,16 +285,8 @@ static struct pxa2xx_spi_chip spitz_ads7846_chip = { static void spitz_notify_intensity(int intensity) { if (machine_is_spitz() || machine_is_borzoi()) { - /* Bit 5 is via SCOOP */ - if (intensity & 0x0020) - reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT); - else - set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT); - - if (intensity) - set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON); - else - reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON); + gpio_set_value(SPITZ_GPIO_BACKLIGHT_CONT, !(intensity & 0x20)); + gpio_set_value(SPITZ_GPIO_BACKLIGHT_ON, intensity); return; } @@ -515,12 +509,34 @@ static struct pxaohci_platform_data spitz_ohci_platform_data = { /* * Irda */ +static int spitz_irda_startup(struct device *dev) +{ + int rc; + + rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on"); + if (rc) + goto err; + + rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1); + if (rc) + goto err_dir; + + return 0; + +err_dir: + gpio_free(SPITZ_GPIO_IR_ON); +err: + return rc; +} + +static void spitz_irda_shutdown(struct device *dev) +{ + gpio_free(SPITZ_GPIO_IR_ON); +} + static void spitz_irda_transceiver_mode(struct device *dev, int mode) { - if (mode & IR_OFF) - set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON); - else - reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON); + gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF); pxa2xx_transceiver_mode(dev, mode); } @@ -536,8 +552,10 @@ static void akita_irda_transceiver_mode(struct device *dev, int mode) #endif static struct pxaficp_platform_data spitz_ficp_platform_data = { - .transceiver_cap = IR_SIRMODE | IR_OFF, - .transceiver_mode = spitz_irda_transceiver_mode, + .transceiver_cap = IR_SIRMODE | IR_OFF, + .transceiver_mode = spitz_irda_transceiver_mode, + .startup = spitz_irda_startup, + .shutdown = spitz_irda_shutdown, }; -- cgit v1.2.3