diff options
Diffstat (limited to 'packages/linux/linux-smdk2440-2.6.19/smdk2440-touchscreen-r2.patch')
-rw-r--r-- | packages/linux/linux-smdk2440-2.6.19/smdk2440-touchscreen-r2.patch | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/packages/linux/linux-smdk2440-2.6.19/smdk2440-touchscreen-r2.patch b/packages/linux/linux-smdk2440-2.6.19/smdk2440-touchscreen-r2.patch deleted file mode 100644 index d785cb885f..0000000000 --- a/packages/linux/linux-smdk2440-2.6.19/smdk2440-touchscreen-r2.patch +++ /dev/null @@ -1,532 +0,0 @@ -Index: linux-2.6.19/drivers/input/touchscreen/s3c2410_ts.c -=================================================================== ---- /dev/null -+++ linux-2.6.19/drivers/input/touchscreen/s3c2410_ts.c -@@ -0,0 +1,351 @@ -+/* -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -+ * -+ * Copyright (c) 2004 Arnaud Patard <arnaud.patard@rtp-net.org> -+ * iPAQ H1940 touchscreen support -+ * -+ * ChangeLog -+ * -+ * 2004-09-05: Herbert Pƶtzl <herbert@13thfloor.at> -+ * - added clock (de-)allocation code -+ * -+ * 2005-03-06: Arnaud Patard <arnaud.patard@rtp-net.org> -+ * - h1940_ -> s3c2410 (this driver is now also used on the n30 -+ * machines :P) -+ * - Debug messages are now enabled with the config option -+ * TOUCHSCREEN_S3C2410_DEBUG -+ * - Changed the way the value are read -+ * - Input subsystem should now work -+ * - Use ioremap and readl/writel -+ * -+ * 2005-03-23: Arnaud Patard <arnaud.patard@rtp-net.org> -+ * - Make use of some undocumented features of the touchscreen -+ * controller -+ * -+ */ -+ -+#include <linux/errno.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/slab.h> -+#include <linux/input.h> -+#include <linux/init.h> -+#include <linux/serio.h> -+#include <linux/delay.h> -+#include <linux/platform_device.h> -+#include <linux/clk.h> -+#include <asm/io.h> -+#include <asm/irq.h> -+ -+#include <asm/arch/regs-adc.h> -+#include <asm/arch/regs-gpio.h> -+#include <asm/arch/ts.h> -+ -+/* For ts.dev.id.version */ -+#define S3C2410TSVERSION 0x0101 -+ -+#define WAIT4INT(x) (((x)<<8) | \ -+ S3C2410_ADCTSC_YM_SEN | S3C2410_ADCTSC_YP_SEN | S3C2410_ADCTSC_XP_SEN | \ -+ S3C2410_ADCTSC_XY_PST(3)) -+ -+#define AUTOPST (S3C2410_ADCTSC_YM_SEN | S3C2410_ADCTSC_YP_SEN | S3C2410_ADCTSC_XP_SEN | \ -+ S3C2410_ADCTSC_AUTO_PST | S3C2410_ADCTSC_XY_PST(0)) -+ -+#define DEBUG_LVL KERN_DEBUG -+ -+MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>"); -+MODULE_DESCRIPTION("s3c2410 touchscreen driver"); -+MODULE_LICENSE("GPL"); -+ -+/* -+ * Definitions & global arrays. -+ */ -+ -+ -+static char *s3c2410ts_name = "s3c2410 TouchScreen"; -+ -+/* -+ * Per-touchscreen data. -+ */ -+ -+struct s3c2410ts { -+ struct input_dev *dev; -+ long xp; -+ long yp; -+ int count; -+ int shift; -+}; -+ -+static struct s3c2410ts ts; -+static void __iomem *base_addr; -+ -+static inline void s3c2410_ts_connect(void) -+{ -+ s3c2410_gpio_cfgpin(S3C2410_GPG12, S3C2410_GPG12_XMON); -+ s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPG13_nXPON); -+ s3c2410_gpio_cfgpin(S3C2410_GPG14, S3C2410_GPG14_YMON); -+ s3c2410_gpio_cfgpin(S3C2410_GPG15, S3C2410_GPG15_nYPON); -+} -+ -+static void touch_timer_fire(unsigned long data) -+{ -+ unsigned long data0; -+ unsigned long data1; -+ int updown; -+ -+ data0 = readl(base_addr+S3C2410_ADCDAT0); -+ data1 = readl(base_addr+S3C2410_ADCDAT1); -+ -+ updown = (!(data0 & S3C2410_ADCDAT0_UPDOWN)) && (!(data1 & S3C2410_ADCDAT0_UPDOWN)); -+ -+ if (updown) { -+ if (ts.count != 0) { -+ ts.xp >>= ts.shift; -+ ts.yp >>= ts.shift; -+ -+#ifdef CONFIG_TOUCHSCREEN_S3C2410_DEBUG -+ { -+ struct timeval tv; -+ do_gettimeofday(&tv); -+ printk(DEBUG_LVL "T: %06d, X: %03ld, Y: %03ld\n", (int)tv.tv_usec, ts.xp, ts.yp); -+ } -+#endif -+ -+ input_report_abs(ts.dev, ABS_Y, ts.xp); -+ input_report_abs(ts.dev, ABS_X, ts.yp); -+ -+ input_report_key(ts.dev, BTN_TOUCH, 1); -+ input_report_abs(ts.dev, ABS_PRESSURE, 1); -+ input_sync(ts.dev); -+ } -+ -+ ts.count = 0; -+ -+ writel(S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST, base_addr+S3C2410_ADCTSC); -+ writel(readl(base_addr+S3C2410_ADCCON) | S3C2410_ADCCON_ENABLE_START, base_addr+S3C2410_ADCCON); -+ } else { -+ ts.count = 0; -+ -+ input_report_abs(ts.dev, ABS_Y, ts.xp); -+ input_report_abs(ts.dev, ABS_X, ts.yp); -+ -+ input_report_key(ts.dev, BTN_TOUCH, 0); -+ input_report_abs(ts.dev, ABS_PRESSURE, 0); -+ input_sync(ts.dev); -+ -+ writel(WAIT4INT(0), base_addr+S3C2410_ADCTSC); -+ } -+} -+ -+static struct timer_list touch_timer = -+ TIMER_INITIALIZER(touch_timer_fire, 0, 0); -+ -+static irqreturn_t stylus_updown(int irq, void *dev_id, struct pt_regs *regs) -+{ -+ unsigned long data0; -+ unsigned long data1; -+ int updown; -+ -+ data0 = readl(base_addr+S3C2410_ADCDAT0); -+ data1 = readl(base_addr+S3C2410_ADCDAT1); -+ -+ updown = (!(data0 & S3C2410_ADCDAT0_UPDOWN)) && (!(data1 & S3C2410_ADCDAT0_UPDOWN)); -+ -+ /* TODO we should never get an interrupt with updown set while -+ * the timer is running, but maybe we ought to verify that the -+ * timer isn't running anyways. */ -+ -+ if (updown) -+ touch_timer_fire(0); -+ -+ return IRQ_HANDLED; -+} -+ -+ -+static irqreturn_t stylus_action(int irq, void *dev_id, struct pt_regs *regs) -+{ -+ unsigned long data0; -+ unsigned long data1; -+ -+ data0 = readl(base_addr+S3C2410_ADCDAT0); -+ data1 = readl(base_addr+S3C2410_ADCDAT1); -+ -+ ts.xp += data0 & S3C2410_ADCDAT0_XPDATA_MASK; -+ ts.yp += data1 & S3C2410_ADCDAT1_YPDATA_MASK; -+ ts.count++; -+ -+ if (ts.count < (1<<ts.shift)) { -+ writel(S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST, base_addr+S3C2410_ADCTSC); -+ writel(readl(base_addr+S3C2410_ADCCON) | S3C2410_ADCCON_ENABLE_START, base_addr+S3C2410_ADCCON); -+ } else { -+ mod_timer(&touch_timer, jiffies+1); -+ writel(WAIT4INT(1), base_addr+S3C2410_ADCTSC); -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+static struct clk *adc_clock; -+ -+/* -+ * The functions for inserting/removing us as a module. -+ */ -+ -+static int __init s3c2410ts_probe(struct platform_device *pdev) -+{ -+ struct s3c2410_ts_mach_info *info; -+ struct input_dev *input_dev; -+ -+ info = ( struct s3c2410_ts_mach_info *)pdev->dev.platform_data; -+ -+ if (!info) -+ { -+ printk(KERN_ERR "Hm... too bad : no platform data for ts\n"); -+ return -EINVAL; -+ } -+ -+#ifdef CONFIG_TOUCHSCREEN_S3C2410_DEBUG -+ printk(DEBUG_LVL "Entering s3c2410ts_init\n"); -+#endif -+ -+ adc_clock = clk_get(NULL, "adc"); -+ if (!adc_clock) { -+ printk(KERN_ERR "failed to get adc clock source\n"); -+ return -ENOENT; -+ } -+ clk_enable(adc_clock); -+ -+#ifdef CONFIG_TOUCHSCREEN_S3C2410_DEBUG -+ printk(DEBUG_LVL "got and enabled clock\n"); -+#endif -+ -+ base_addr=ioremap(S3C2410_PA_ADC,0x20); -+ if (base_addr == NULL) { -+ printk(KERN_ERR "Failed to remap register block\n"); -+ return -ENOMEM; -+ } -+ -+ -+ /* Configure GPIOs */ -+ s3c2410_ts_connect(); -+ -+ if ((info->presc&0xff) > 0) -+ writel(S3C2410_ADCCON_PRSCEN | S3C2410_ADCCON_PRSCVL(info->presc&0xFF),\ -+ base_addr+S3C2410_ADCCON); -+ else -+ writel(0,base_addr+S3C2410_ADCCON); -+ -+ -+ /* Initialise registers */ -+ if ((info->delay&0xffff) > 0) -+ writel(info->delay & 0xffff, base_addr+S3C2410_ADCDLY); -+ -+ writel(WAIT4INT(0), base_addr+S3C2410_ADCTSC); -+ -+ /* Initialise input stuff */ -+ memset(&ts, 0, sizeof(struct s3c2410ts)); -+ input_dev = input_allocate_device(); -+ -+ if (!input_dev) { -+ printk(KERN_ERR "Unable to allocate the input device !!\n"); -+ return -ENOMEM; -+ } -+ -+ ts.dev = input_dev; -+ ts.dev->evbit[0] = BIT(EV_SYN) | BIT(EV_KEY) | BIT(EV_ABS); -+ ts.dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH); -+ input_set_abs_params(ts.dev, ABS_X, 0x10, 0x3FF, 0, 0); -+ input_set_abs_params(ts.dev, ABS_Y, 0x10, 0x3FF, 0, 0); -+ input_set_abs_params(ts.dev, ABS_PRESSURE, 0, 1, 0, 0); -+ -+ ts.dev->private = &ts; -+ ts.dev->name = s3c2410ts_name; -+ ts.dev->id.bustype = BUS_RS232; -+ ts.dev->id.vendor = 0xDEAD; -+ ts.dev->id.product = 0xBEEF; -+ ts.dev->id.version = S3C2410TSVERSION; -+ -+ ts.shift = info->oversampling_shift; -+ -+ /* Get irqs */ -+ if (request_irq(IRQ_ADC, stylus_action, SA_SAMPLE_RANDOM, -+ "s3c2410_action", ts.dev)) { -+ printk(KERN_ERR "s3c2410_ts.c: Could not allocate ts IRQ_ADC !\n"); -+ iounmap(base_addr); -+ return -EIO; -+ } -+ if (request_irq(IRQ_TC, stylus_updown, SA_SAMPLE_RANDOM, -+ "s3c2410_action", ts.dev)) { -+ printk(KERN_ERR "s3c2410_ts.c: Could not allocate ts IRQ_TC !\n"); -+ iounmap(base_addr); -+ return -EIO; -+ } -+ -+ printk(KERN_INFO "%s successfully loaded\n", s3c2410ts_name); -+ -+ /* All went ok, so register to the input system */ -+ input_register_device(ts.dev); -+ -+ return 0; -+} -+ -+static int s3c2410ts_remove(struct platform_device *pdev) -+{ -+ disable_irq(IRQ_ADC); -+ disable_irq(IRQ_TC); -+ free_irq(IRQ_TC,ts.dev); -+ free_irq(IRQ_ADC,ts.dev); -+ -+ if (adc_clock) { -+ clk_disable(adc_clock); -+ clk_put(adc_clock); -+ adc_clock = NULL; -+ } -+ -+ input_unregister_device(ts.dev); -+ iounmap(base_addr); -+ -+ return 0; -+} -+ -+static struct platform_driver s3c2410ts_driver = { -+ .driver = { -+ .name = "s3c2410-ts", -+ .owner = THIS_MODULE, -+ }, -+ .probe = s3c2410ts_probe, -+ .remove = s3c2410ts_remove, -+}; -+ -+ -+static int __init s3c2410ts_init(void) -+{ -+ return platform_driver_register(&s3c2410ts_driver); -+} -+ -+static void __exit s3c2410ts_exit(void) -+{ -+ platform_driver_unregister(&s3c2410ts_driver); -+} -+ -+module_init(s3c2410ts_init); -+module_exit(s3c2410ts_exit); -+ -+/* -+ Local variables: -+ compile-command: "make ARCH=arm CROSS_COMPILE=/usr/local/arm/3.3.2/bin/arm-linux- -k -C ../../.." -+ c-basic-offset: 8 -+ End: -+*/ -Index: linux-2.6.19/arch/arm/mach-s3c2410/devs.c -=================================================================== ---- linux-2.6.19.orig/arch/arm/mach-s3c2410/devs.c -+++ linux-2.6.19/arch/arm/mach-s3c2410/devs.c -@@ -28,6 +28,7 @@ - #include <asm/irq.h> - - #include <asm/arch/regs-serial.h> -+#include <asm/arch/ts.h> - - #include "devs.h" - #include "cpu.h" -@@ -204,6 +205,23 @@ 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 __init set_s3c2410ts_info(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[] = { -Index: linux-2.6.19/arch/arm/mach-s3c2410/devs.h -=================================================================== ---- linux-2.6.19.orig/arch/arm/mach-s3c2410/devs.h -+++ linux-2.6.19/arch/arm/mach-s3c2410/devs.h -@@ -41,6 +41,8 @@ extern struct platform_device s3c_device - extern struct platform_device s3c_device_timer3; - - extern struct platform_device s3c_device_usbgadget; -+extern struct platform_device s3c_device_ts; -+ - - /* s3c2440 specific devices */ - -Index: linux-2.6.19/arch/arm/mach-s3c2410/mach-smdk2440.c -=================================================================== ---- linux-2.6.19.orig/arch/arm/mach-s3c2410/mach-smdk2440.c -+++ linux-2.6.19/arch/arm/mach-s3c2410/mach-smdk2440.c -@@ -38,6 +38,7 @@ - - #include <asm/arch/idle.h> - #include <asm/arch/fb.h> -+#include <asm/arch/ts.h> - - #include "s3c2410.h" - #include "s3c2440.h" -@@ -177,6 +178,7 @@ static struct platform_device *smdk2440_ - &s3c_device_wdt, - &s3c_device_i2c, - &s3c_device_iis, -+ &s3c_device_ts, - }; - - static struct s3c24xx_board smdk2440_board __initdata = { -@@ -184,6 +186,13 @@ static struct s3c24xx_board smdk2440_boa - .devices_count = ARRAY_SIZE(smdk2440_devices) - }; - -+static struct s3c2410_ts_mach_info smdk2440_ts_cfg __initdata = { -+ .delay = 10000, -+ .presc = 49, -+ .oversampling_shift = 2, -+}; -+ -+ - static void __init smdk2440_map_io(void) - { - s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc)); -@@ -195,6 +204,7 @@ static void __init smdk2440_map_io(void) - static void __init smdk2440_machine_init(void) - { - s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg); -+ set_s3c2410ts_info(&smdk2440_ts_cfg); - - smdk_machine_init(); - } -Index: linux-2.6.19/drivers/input/touchscreen/Kconfig -=================================================================== ---- linux-2.6.19.orig/drivers/input/touchscreen/Kconfig -+++ linux-2.6.19/drivers/input/touchscreen/Kconfig -@@ -49,6 +49,25 @@ config TOUCHSCREEN_CORGI - To compile this driver as a module, choose M here: the - module will be called corgi_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 -Index: linux-2.6.19/drivers/input/touchscreen/Makefile -=================================================================== ---- linux-2.6.19.orig/drivers/input/touchscreen/Makefile -+++ linux-2.6.19/drivers/input/touchscreen/Makefile -@@ -15,3 +15,4 @@ obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680 - obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o - obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o - obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o -+obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o -Index: linux-2.6.19/include/asm-arm/arch-s3c2410/ts.h -=================================================================== ---- /dev/null -+++ linux-2.6.19/include/asm-arm/arch-s3c2410/ts.h -@@ -0,0 +1,28 @@ -+/* linux/include/asm/arch-s3c2410/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 -+ -+struct s3c2410_ts_mach_info { -+ int delay; -+ int presc; -+ int oversampling_shift; -+}; -+ -+void __init set_s3c2410ts_info(struct s3c2410_ts_mach_info *hard_s3c2410ts_info); -+ -+#endif /* __ASM_ARM_TS_H */ -+ -Index: linux-2.6.19/include/asm-arm/arch-s3c2410/regs-adc.h -=================================================================== ---- linux-2.6.19.orig/include/asm-arm/arch-s3c2410/regs-adc.h -+++ linux-2.6.19/include/asm-arm/arch-s3c2410/regs-adc.h -@@ -41,7 +41,7 @@ - #define S3C2410_ADCTSC_XP_SEN (1<<4) - #define S3C2410_ADCTSC_PULL_UP_DISABLE (1<<3) - #define S3C2410_ADCTSC_AUTO_PST (1<<2) --#define S3C2410_ADCTSC_XY_PST (0x3<<0) -+#define S3C2410_ADCTSC_XY_PST(x) (((x)&0x3)<<0) - - /* ADCDAT0 Bits */ - #define S3C2410_ADCDAT0_UPDOWN (1<<15) |