From: Graeme Gregory Date: Mon, 18 Dec 2006 10:03:06 +0000 (+0000) Subject: linuxs-_smdk2440_2.6.19 : add missed touchscreen patch. X-Git-Tag: SlugOS5.3-beta~5597^2~86^2~5 X-Git-Url: http://code.vuplus.com/gitweb/?a=commitdiff_plain;h=470b1df0f4f22c125995a124f70b29f1629a0885;p=vuplus_openembedded linuxs-_smdk2440_2.6.19 : add missed touchscreen patch. --- diff --git a/packages/linux/linux-smdk2440/smdk2440-touchscreen-r3.patch b/packages/linux/linux-smdk2440/smdk2440-touchscreen-r3.patch new file mode 100644 index 0000000..d03fd94 --- /dev/null +++ b/packages/linux/linux-smdk2440/smdk2440-touchscreen-r3.patch @@ -0,0 +1,529 @@ +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 +@@ -26,6 +26,7 @@ + #include + #include + #include ++#include + + #include + +@@ -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 +41,7 @@ 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/drivers/input/touchscreen/Kconfig +=================================================================== +--- linux-2.6.19.orig/drivers/input/touchscreen/Kconfig ++++ linux-2.6.19/drivers/input/touchscreen/Kconfig +@@ -49,6 +49,24 @@ 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 +15,5 @@ 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/drivers/input/touchscreen/s3c2410_ts.c +=================================================================== +--- /dev/null ++++ linux-2.6.19/drivers/input/touchscreen/s3c2410_ts.c +@@ -0,0 +1,350 @@ ++/* ++ * 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 ++ * iPAQ H1940 touchscreen support ++ * ++ * ChangeLog ++ * ++ * 2004-09-05: Herbert Pötzl ++ * - added clock (de-)allocation code ++ * ++ * 2005-03-06: Arnaud Patard ++ * - 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 ++ * - Make use of some undocumented features of the touchscreen ++ * controller ++ * ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++#include ++#include ++ ++/* 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 "); ++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_X, ts.xp); ++ input_report_abs(ts.dev, ABS_Y, ts.yp); ++ ++ input_report_key(ts.dev, BTN_TOUCH, 1); ++ input_report_abs(ts.dev, ABS_PRESSURE, 1); ++ input_sync(ts.dev); ++ } ++ ++ ts.xp = 0; ++ ts.yp = 0; ++ 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_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<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, 0, 0x3FF, 0, 0); ++ input_set_abs_params(ts.dev, ABS_Y, 0, 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/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) +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 ++ * ++ * ++ * 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/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 +@@ -35,6 +35,7 @@ + #include + #include + #include ++#include + + #include + #include +@@ -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 +186,12 @@ static struct s3c24xx_board smdk2440_boa + .devices_count = ARRAY_SIZE(smdk2440_devices) + }; + ++static struct s3c2410_ts_mach_info qt2410_ts_cfg = { ++ .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 +203,7 @@ static void __init smdk2440_map_io(void) + static void __init smdk2440_machine_init(void) + { + s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg); ++ set_s3c2410ts_info(&qt2410_ts_cfg); + + smdk_machine_init(); + }