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From 0bd4d22c621eef0178be7d518a92a7fe42a37b3c Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Tue, 21 Jul 2009 12:43:48 +0200
Subject: [PATCH] 050-s3c2442-touchscreen.patch
---
arch/arm/mach-s3c2410/include/mach/ts.h | 35 +++++++++++++++++++++++++++++++
arch/arm/plat-s3c/include/plat/devs.h | 3 +-
arch/arm/plat-s3c24xx/devs.c | 20 +++++++++++++++++
arch/arm/plat-s3c24xx/s3c244x.c | 3 ++
drivers/input/touchscreen/Kconfig | 18 ++++++++++++++++
drivers/input/touchscreen/Makefile | 1 +
6 files changed, 79 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/mach-s3c2410/include/mach/ts.h
diff --git a/arch/arm/mach-s3c2410/include/mach/ts.h b/arch/arm/mach-s3c2410/include/mach/ts.h
new file mode 100644
index 0000000..f84324d
--- /dev/null
+++ b/arch/arm/mach-s3c2410/include/mach/ts.h
@@ -0,0 +1,35 @@
+/* arch/arm/mach-s3c2410/include/mach/ts.h
+ *
+ * Copyright (c) 2005 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *
+ * Changelog:
+ * 24-Mar-2005 RTP Created file
+ * 03-Aug-2005 RTP Renamed to ts.h
+ */
+
+#ifndef __ASM_ARM_TS_H
+#define __ASM_ARM_TS_H
+
+#include <linux/touchscreen/ts_filter.h>
+
+struct s3c2410_ts_mach_info {
+ /* Touchscreen delay. */
+ int delay;
+ /* Prescaler value. */
+ int presc;
+ /*
+ * Null-terminated array of pointers to filter APIs and configurations
+ * we want to use. In the same order they will be applied.
+ */
+ const struct ts_filter_chain_configuration *filter_config;
+};
+
+void set_s3c2410ts_info(const struct s3c2410_ts_mach_info *hard_s3c2410ts_info);
+
+#endif /* __ASM_ARM_TS_H */
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index 49504b3..105ad09 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -55,10 +55,11 @@ extern struct platform_device s3c_device_nand;
extern struct platform_device s3c_device_usbgadget;
extern struct platform_device s3c_device_usb_hsotg;
+extern struct platform_device s3c_device_ts;
+
/* s3c2440 specific devices */
#ifdef CONFIG_CPU_S3C2440
extern struct platform_device s3c_device_camif;
-
#endif
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index 4eb378c..0fdaa54 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -26,6 +26,8 @@
#include <asm/mach/irq.h>
#include <mach/fb.h>
#include <mach/hardware.h>
+#include <mach/ts.h>
+#include <asm/io.h>
#include <asm/irq.h>
#include <plat/regs-serial.h>
@@ -199,6 +201,24 @@ struct platform_device s3c_device_nand = {
EXPORT_SYMBOL(s3c_device_nand);
+/* Touchscreen */
+struct platform_device s3c_device_ts = {
+ .name = "s3c2410-ts",
+ .id = -1,
+};
+
+EXPORT_SYMBOL(s3c_device_ts);
+
+static struct s3c2410_ts_mach_info s3c2410ts_info;
+
+void set_s3c2410ts_info(const struct s3c2410_ts_mach_info *hard_s3c2410ts_info)
+{
+ memcpy(&s3c2410ts_info, hard_s3c2410ts_info,
+ sizeof(struct s3c2410_ts_mach_info));
+ s3c_device_ts.dev.platform_data = &s3c2410ts_info;
+}
+EXPORT_SYMBOL(set_s3c2410ts_info);
+
/* USB Device (Gadget)*/
static struct resource s3c_usbgadget_resource[] = {
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c
index 1364317..0731b23 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/plat-s3c24xx/s3c244x.c
@@ -59,6 +59,8 @@ void __init s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no)
s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
}
+extern struct platform_device s3c_device_ts;
+
void __init s3c244x_map_io(void)
{
/* register our io-tables */
@@ -70,6 +72,7 @@ void __init s3c244x_map_io(void)
s3c_device_sdi.name = "s3c2440-sdi";
s3c_device_i2c0.name = "s3c2440-i2c";
s3c_device_nand.name = "s3c2440-nand";
+ s3c_device_ts.name = "s3c2440-ts";
s3c_device_usbgadget.name = "s3c2440-usbgadget";
}
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 72e2712..2bb711f 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -133,6 +133,24 @@ config TOUCHSCREEN_FUJITSU
To compile this driver as a module, choose M here: the
module will be called fujitsu-ts.
+config TOUCHSCREEN_S3C2410
+ tristate "Samsung S3C2410 touchscreen input driver"
+ depends on ARCH_S3C2410 && INPUT && INPUT_TOUCHSCREEN
+ select SERIO
+ help
+ Say Y here if you have the s3c2410 touchscreen.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called s3c2410_ts.
+
+config TOUCHSCREEN_S3C2410_DEBUG
+ boolean "Samsung S3C2410 touchscreen debug messages"
+ depends on TOUCHSCREEN_S3C2410
+ help
+ Select this if you want debug messages
+
config TOUCHSCREEN_GUNZE
tristate "Gunze AHL-51S touchscreen"
select SERIO
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 3e1c5e0..269814c 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -40,3 +40,4 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_ATMEL) += atmel-wm97xx.o
obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o
obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o
obj-$(CONFIG_TOUCHSCREEN_W90X900) += w90p910_ts.o
+obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o
--
1.5.6.5
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