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| author | Ian Molton <spyro@f2s.com> | 2008-08-24 19:21:26 +0100 |
|---|---|---|
| committer | Ian Molton <spyro@f2s.com> | 2008-11-29 23:26:36 +0000 |
| commit | 36033422639913dad1f3146d452116522c77f753 (patch) | |
| tree | f0865621035f9deedcab470e8267b7d19a3bf4ed /arch/arm/mach-pxa/eseries.c | |
| parent | 5e1dbdb458ada37f7e97265cb2ea87c55fd5d034 (diff) | |
| download | lwn-36033422639913dad1f3146d452116522c77f753.tar.gz lwn-36033422639913dad1f3146d452116522c77f753.zip | |
[ARM] IrDA support for e7xx
This patchset provides a fully functional SIR IrDA driver for the Toshiba
e7xx PDAs.
Signed-off-by: Ian Molton <spyro@f2s.com>
Diffstat (limited to 'arch/arm/mach-pxa/eseries.c')
| -rw-r--r-- | arch/arm/mach-pxa/eseries.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c index d28849b50a14..ee79e33b1748 100644 --- a/arch/arm/mach-pxa/eseries.c +++ b/arch/arm/mach-pxa/eseries.c @@ -12,6 +12,8 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> #include <asm/setup.h> #include <asm/mach/arch.h> @@ -21,6 +23,7 @@ #include <mach/hardware.h> #include <mach/eseries-gpio.h> #include <mach/udc.h> +#include <mach/irda.h> #include "generic.h" @@ -43,3 +46,43 @@ struct pxa2xx_udc_mach_info e7xx_udc_mach_info = { .gpio_pullup_inverted = 1 }; +static void e7xx_irda_transceiver_mode(struct device *dev, int mode) +{ + if (mode & IR_OFF) { + gpio_set_value(GPIO_E7XX_IR_OFF, 1); + pxa2xx_transceiver_mode(dev, mode); + } else { + pxa2xx_transceiver_mode(dev, mode); + gpio_set_value(GPIO_E7XX_IR_OFF, 0); + } +} + +int e7xx_irda_init(void) +{ + int ret; + + ret = gpio_request(GPIO_E7XX_IR_OFF, "IrDA power"); + if (ret) + goto out; + + ret = gpio_direction_output(GPIO_E7XX_IR_OFF, 0); + if (ret) + goto out; + + e7xx_irda_transceiver_mode(NULL, IR_SIRMODE | IR_OFF); +out: + return ret; +} + +static void e7xx_irda_shutdown(struct device *dev) +{ + e7xx_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF); + gpio_free(GPIO_E7XX_IR_OFF); +} + +struct pxaficp_platform_data e7xx_ficp_platform_data = { + .transceiver_cap = IR_SIRMODE | IR_OFF, + .transceiver_mode = e7xx_irda_transceiver_mode, + .shutdown = e7xx_irda_shutdown, +}; + |