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authorNicolas Pitre <nico@cam.org>2005-10-28 16:39:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-10-28 16:39:33 +0100
commit6f475c0133eb91c7df3b056843dc33d2824368a2 (patch)
tree051e35468fb1965c72e6fa5b679fac48975508b8 /arch/arm/mach-pxa
parenta999cb04b4bfb4a2243383f00d5714b8d7163035 (diff)
[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>
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/generic.c18
-rw-r--r--arch/arm/mach-pxa/lubbock.c20
-rw-r--r--arch/arm/mach-pxa/mainstone.c25
3 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 218eb9671fa..3248bc9b949 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -34,6 +34,7 @@
#include <asm/arch/udc.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>
+#include <asm/arch/irda.h>
#include <asm/arch/i2c.h>
#include "generic.h"
@@ -301,6 +302,22 @@ static struct platform_device i2s_device = {
.num_resources = ARRAY_SIZE(i2s_resources),
};
+static u64 pxaficp_dmamask = ~(u32)0;
+
+static struct platform_device pxaficp_device = {
+ .name = "pxa2xx-ir",
+ .id = -1,
+ .dev = {
+ .dma_mask = &pxaficp_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+void __init pxa_set_ficp_info(struct pxaficp_platform_data *info)
+{
+ pxaficp_device.dev.platform_data = info;
+}
+
static struct platform_device *devices[] __initdata = {
&pxamci_device,
&udc_device,
@@ -308,6 +325,7 @@ static struct platform_device *devices[] __initdata = {
&ffuart_device,
&btuart_device,
&stuart_device,
+ &pxaficp_device,
&i2c_device,
&i2s_device,
};
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 69abc7f61ed..beccf455f79 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -35,6 +35,7 @@
#include <asm/arch/pxa-regs.h>
#include <asm/arch/lubbock.h>
#include <asm/arch/udc.h>
+#include <asm/arch/irda.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>
@@ -237,11 +238,30 @@ static struct pxamci_platform_data lubbock_mci_platform_data = {
.init = lubbock_mci_init,
};
+static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ if (mode & IR_SIRMODE) {
+ LUB_MISC_WR &= ~(1 << 4);
+ } else if (mode & IR_FIRMODE) {
+ LUB_MISC_WR |= 1 << 4;
+ }
+ local_irq_restore(flags);
+}
+
+static struct pxaficp_platform_data lubbock_ficp_platform_data = {
+ .transceiver_cap = IR_SIRMODE | IR_FIRMODE,
+ .transceiver_mode = lubbock_irda_transceiver_mode,
+};
+
static void __init lubbock_init(void)
{
pxa_set_udc_info(&udc_info);
set_pxa_fb_info(&sharp_lm8v31);
pxa_set_mci_info(&lubbock_mci_platform_data);
+ pxa_set_ficp_info(&lubbock_ficp_platform_data);
(void) platform_add_devices(devices, ARRAY_SIZE(devices));
}
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 8b4a21623fc..a48c64026e1 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);
}