[ARM] 2897/2: PXA2xx IRDA support

Patch from Nicolas Pitre

This is the PXA2xx common IRDA driver, plus platform support
for Lubbock and Mainstone.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Acked-by: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 8b4a21623fc0..a48c64026e1f 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -37,6 +37,7 @@
 #include <asm/arch/audio.h>
 #include <asm/arch/pxafb.h>
 #include <asm/arch/mmc.h>
+#include <asm/arch/irda.h>
 
 #include "generic.h"
 
@@ -294,6 +295,29 @@ static struct pxamci_platform_data mainstone_mci_platform_data = {
         .exit           = mainstone_mci_exit,
 };
 
+static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
+{
+        unsigned long flags;
+
+        local_irq_save(flags);
+        if (mode & IR_SIRMODE) {
+                MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
+        } else if (mode & IR_FIRMODE) {
+                MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
+        }
+        if (mode & IR_OFF) {
+                MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
+        } else {
+                MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
+        }
+        local_irq_restore(flags);
+}
+
+static struct pxaficp_platform_data mainstone_ficp_platform_data = {
+        .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+        .transceiver_mode = mainstone_irda_transceiver_mode,
+};
+
 static void __init mainstone_init(void)
 {
         /*
@@ -313,6 +337,7 @@ static void __init mainstone_init(void)
                 set_pxa_fb_info(&toshiba_ltm035a776c);
 
         pxa_set_mci_info(&mainstone_mci_platform_data);
+        pxa_set_ficp_info(&mainstone_ficp_platform_data);
 }