[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>

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,
+};
+