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Diffstat (limited to 'meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch')
-rw-r--r--meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch870
1 files changed, 870 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch b/meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch
new file mode 100644
index 000000000..2dae9ed82
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch
@@ -0,0 +1,870 @@
+From 03e11a278286392dc20de57a24cadbc16d9aac3a Mon Sep 17 00:00:00 2001
+From: Priya Vijayan <priya.vijayan@intel.com>
+Date: Tue, 27 Apr 2010 11:23:00 -0700
+Subject: [PATCH] Touchscreen driver for Cypress panels
+
+This driver is from aava
+
+Signed-off-by: Priya Vijayan <priya.vijayan@intel.com>
+---
+ drivers/input/touchscreen/Kconfig | 8 +
+ drivers/input/touchscreen/Makefile | 1 +
+ drivers/input/touchscreen/cy8ctmg110_ts.c | 815 +++++++++++++++++++++++++++++
+ 3 files changed, 824 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/input/touchscreen/cy8ctmg110_ts.c
+
+diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
+index 6dd2674..5ecf00d 100644
+--- a/drivers/input/touchscreen/Kconfig
++++ b/drivers/input/touchscreen/Kconfig
+@@ -103,6 +103,14 @@ config TOUCHSCREEN_CORGI
+ NOTE: this driver is deprecated, try enable SPI and generic
+ ADS7846-based touchscreen driver.
+
++config TOUCHSCREEN_CY8CTMG110
++ tristate "cy8ctmg110 touchscreen"
++ depends on I2C
++ default y
++ help
++ Say Y here if you have a cy8ctmg110 touchscreen capasitive touchscreen
++ If unsure, say N.
++
+ config TOUCHSCREEN_DA9034
+ tristate "Touchscreen support for Dialog Semiconductor DA9034"
+ depends on PMIC_DA903X
+diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
+index 15ad257..e5b5fae 100644
+--- a/drivers/input/touchscreen/Makefile
++++ b/drivers/input/touchscreen/Makefile
+@@ -12,6 +12,7 @@ obj-$(CONFIG_TOUCHSCREEN_ADS7846) += ads7846.o
+ obj-$(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) += atmel_tsadcc.o
+ obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o
+ obj-$(CONFIG_TOUCHSCREEN_CORGI) += corgi_ts.o
++obj-$(CONFIG_TOUCHSCREEN_CY8CTMG110) += cy8ctmg110_ts.o
+ obj-$(CONFIG_TOUCHSCREEN_DYNAPRO) += dynapro.o
+ obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o
+ obj-$(CONFIG_TOUCHSCREEN_EETI) += eeti_ts.o
+diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c
+new file mode 100644
+index 0000000..5587385
+--- /dev/null
++++ b/drivers/input/touchscreen/cy8ctmg110_ts.c
+@@ -0,0 +1,815 @@
++/*
++ * cy8ctmg110_ts.c Driver for cypress touch screen controller
++ * Copyright (c) 2009 Aava Mobile
++ *
++ * 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.
++ *
++ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/input.h>
++#include <linux/interrupt.h>
++#include <asm/io.h>
++#include <linux/i2c.h>
++#include <linux/timer.h>
++#include <linux/gpio.h>
++#include <linux/hrtimer.h>
++
++#include <linux/platform_device.h>
++#include <linux/delay.h>
++#include <linux/fs.h>
++#include <asm/ioctl.h>
++#include <asm/ipc_defs.h>
++#include <asm/uaccess.h>
++#include <linux/device.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/delay.h>
++#include <linux/fs.h>
++#include <asm/ioctl.h>
++#include <linux/fs.h>
++#include <linux/init.h>
++#include <linux/miscdevice.h>
++#include <linux/module.h>
++
++
++#define CY8CTMG110_DRIVER_NAME "cy8ctmg110"
++#define CY8CTMG110_DRIVER_NAME_EXT "cy8ctmg110 ext"
++/*#define MOORESTOWN_CDK*/
++/*#define CY8CTMG110_DEBUG_INFO*/
++/*#define POLL_TOUCH_EVENTS*/
++
++
++
++/*HW definations*/
++
++/*Main touch specific*/
++#define CY8CTMG110_I2C_ADDR 0x38
++#define CY8CTMG110_RESET_PIN_GPIO 43
++#define CY8CTMG110_IRQ_PIN_GPIO 59
++
++/*Extended specific*/
++#define CY8CTMG110_I2C_ADDR_EXT 0x39
++#define CY8CTMG110_RESET_PIN_GPIO_EXT 39
++#define CY8CTMG110_IRQ_PIN_GPIO_EXT 31
++
++
++#define CY8CTMG110_TOUCH_LENGHT 9787
++#define CY8CTMG110_SCREEN_LENGHT 8424
++
++
++/*Main Touch coordinates*/
++#define CY8CTMG110_X_MIN 0
++#define CY8CTMG110_Y_MIN 0
++#define CY8CTMG110_X_MAX 864
++#define CY8CTMG110_Y_MAX 480
++
++
++/*cy8ctmg110 registers defination*/
++#define CY8CTMG110_TOUCH_WAKEUP_TIME 0
++#define CY8CTMG110_TOUCH_SLEEP_TIME 2
++#define CY8CTMG110_TOUCH_X1 3
++#define CY8CTMG110_TOUCH_Y1 5
++#define CY8CTMG110_TOUCH_X2 7
++#define CY8CTMG110_TOUCH_Y2 9
++#define CY8CTMG110_FINGERS 11
++#define CY8CTMG110_GESTURE 12
++#define CY8CTMG110_VERSIONID 13 //not supported in touchpanel FW
++#define CY8CTMG110_REG_MAX 13
++
++#ifdef POLL_TOUCH_EVENTS
++ #define CY8CTMG110_POLL_TIMER_DELAY 1000*1000*100
++ #define TOUCH_MAX_I2C_FAILS 50
++#endif
++
++#define CY8CTMG110_POLL_TIMER_DELAY 1000*1000*100
++
++/* Scale factors for coordinates */
++#define X_SCALE_FACTOR 9387/8424
++#define Y_SCALE_FACTOR 97/100
++
++/* For tracing */
++static u16 g_y_trace_coord = 0;
++
++/*if soutcanyon*/
++static bool isSc = false;
++
++
++/*
++ * Touchtype
++ */
++enum touch_type {
++ TOUCH_KOSKI=1,
++ TOUCH_SC,
++ TOUCH_EXT,
++};
++
++/*
++ * The touch position structure.
++ */
++struct ts_event {
++ int x1;
++ int y1;
++ int x2;
++ int y2;
++ bool event_sended;
++};
++
++/*
++ * The touch driver structure.
++ */
++struct cy8ctmg110 {
++ struct input_dev *input;
++ char phys[32];
++ struct ts_event tc;
++ struct i2c_client *client;
++ bool pending;
++ spinlock_t lock;
++ bool initController;
++ bool sleepmode;
++ int irq_gpio;
++ int reset_gpio;
++ char driver_name[20];
++ struct delayed_work work;
++ enum touch_type version_id;
++#ifdef POLL_TOUCH_EVENTS
++ struct hrtimer timer;
++ int i2c_fail_count;
++#endif
++};
++
++/*
++ * cy8ctmg110_poweroff is the routine that is called when touch hardware
++ * will powered off
++ */
++static void cy8ctmg110_power(struct cy8ctmg110 *ts,bool poweron)
++{
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("%s power:%d\n",ts->driver_name,poweron);
++#endif
++ if (poweron)
++ gpio_direction_output(ts->reset_gpio, 0);
++ else
++ gpio_direction_output(ts->reset_gpio, 1);
++}
++/*
++ * cy8ctmg110_write_req write regs to the i2c devices
++ *
++ */
++static int cy8ctmg110_write_req(struct cy8ctmg110 *tsc,unsigned char reg,unsigned char len,unsigned char *value)
++{
++ struct i2c_client *client = tsc->client;
++ unsigned int ret;
++ unsigned char i2c_data[]={0,0,0,0,0,0};
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("cy8ctmg110_init_req:\n");
++#endif
++
++ i2c_data[0]=reg;
++ memcpy(i2c_data+1,value,len);
++
++ {
++ struct i2c_msg msg[] = {
++ { client->addr, 0, len+1, i2c_data },
++ };
++
++ ret = i2c_transfer(client->adapter, msg, 1);
++
++ if (ret != 1) {
++ printk("cy8ctmg110 touch : i2c write data cmd failed \n");
++ return ret;
++ }
++ }
++
++ return 0;
++}
++/*
++ * get_time
++ *
++ */
++#ifdef CY8CTMG110_DEBUG_INFO
++static inline long cy8ctmg110_get_time(void)
++{
++ struct timeval t;
++ do_gettimeofday(&t);
++ return t.tv_usec;
++}
++#endif
++/*
++ * cy8ctmg110_read_req read regs from i2c devise
++ *
++ */
++static int cy8ctmg110_read_req(struct cy8ctmg110 *tsc,unsigned char *i2c_data,unsigned char len ,unsigned char cmd)
++{
++ struct i2c_client *client = tsc->client;
++ unsigned int ret;
++ unsigned char regs_cmd[2]={0,0};
++#ifdef CY8CTMG110_DEBUG_INFO
++ long starttime = cy8ctmg110_get_time();
++#endif
++ regs_cmd[0]=cmd;
++
++
++ /* first write slave position to i2c devices*/
++ {
++ struct i2c_msg msg1[] = {
++ { client->addr, 0, 1, regs_cmd },
++ };
++
++ ret = i2c_transfer(client->adapter, msg1, 1);
++
++ if (ret != 1) {
++#ifdef POLL_TOUCH_EVENTS
++ tsc->i2c_fail_count++;
++#endif
++ return ret;
++ }
++ }
++
++
++ /* Second read data from position*/
++ {
++ struct i2c_msg msg2[] = {
++ { client->addr, I2C_M_RD, len, i2c_data },
++ };
++
++ ret = i2c_transfer(client->adapter, msg2, 1);
++
++
++ if (ret != 1) {
++#ifdef POLL_TOUCH_EVENTS
++ tsc->i2c_fail_count++;
++#endif
++ return ret;
++ }
++ }
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("%s time to get data bytes read:%d time:%d\n",tsc->driver_name,len,(cy8ctmg110_get_time()-starttime));
++#endif
++ return 0;
++}
++/*
++ * cy8ctmg110_send_event delevery touch event to the userpace
++ * function use normal input interface
++ */
++static void cy8ctmg110_send_event(void *tsc,int x,int y)
++{
++ struct cy8ctmg110 *ts = tsc;
++ struct input_dev *input = ts->input;
++ u16 x2, y2;
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("cy8ctmg110_send_event\n");
++#endif
++
++ if(ts->tc.event_sended == false){
++
++ if (ts->client->addr==CY8CTMG110_I2C_ADDR_EXT){
++ /*Extended touchpanel*/
++ input_report_key(input, BTN_TOUCH, 1);
++
++
++ if ( ts->pending == true){
++ input_report_rel(input, REL_Y, (ts->tc.x1-x)*2);
++ input_report_rel(input, REL_X, (y - ts->tc.y1)*3);
++ ts->tc.y1 = y;
++ ts->tc.x1 = x;
++ }
++ else{
++ ts->pending = true;
++ ts->tc.y1 = y;
++ ts->tc.x1 = x;
++ }
++
++
++ }
++ else{
++ /*Main touchpanel*/
++ ts->tc.y1 = y;
++ ts->tc.x1 = x;
++ ts->pending = true;
++ input_report_key(input, BTN_TOUCH, 1);
++
++ x2 = y;
++ y2 = x;
++
++ if (isSc == false){
++ /*Main touchpanel in koski*/
++ x2 = (u16)(y*X_SCALE_FACTOR);
++ y2 = (u16)(x*Y_SCALE_FACTOR);
++ }
++
++ input_report_abs(input, ABS_X, x2);
++ input_report_abs(input, ABS_Y, y2);
++ }
++
++ input_sync(input);
++ if(g_y_trace_coord)
++ printk("%s touch position X:%d (was = %d) Y:%d (was = %d)\n",ts->driver_name, x2, y, y2, x);
++ }
++
++}
++
++/*
++ * cy8ctmg110_touch_pos check touch position from i2c devices
++ *
++ */
++static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc)
++{
++ unsigned char reg_p[CY8CTMG110_REG_MAX];
++
++ memset(reg_p,0,CY8CTMG110_REG_MAX);
++
++ /*Reading coordinates*/
++ if (cy8ctmg110_read_req(tsc,reg_p,1,CY8CTMG110_FINGERS)==0){
++
++ /*number of touch*/
++ if (reg_p[0]==0){
++ if (tsc->pending == true){
++ struct input_dev *input = tsc->input;
++
++ input_report_key(input, BTN_TOUCH, 0);
++
++ input_sync(input);
++ tsc->tc.event_sended = true;
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("cy8ctmg110_send_event ts->pending = true;\n");
++#endif
++ tsc->pending = false;
++ }
++ }
++ else {
++
++ if (cy8ctmg110_read_req(tsc,reg_p,4,CY8CTMG110_TOUCH_X1)==0){
++ int x = 0,y = 0;
++ y = reg_p[2]<<8 | reg_p[3];
++ x = reg_p[0]<<8 | reg_p[1];
++
++ if (tsc->tc.x1 != x || tsc->tc.y1 != y){
++ tsc->tc.event_sended = false;
++ cy8ctmg110_send_event(tsc,x,y);
++ }
++ }
++ }
++ }
++ else{
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("cy8ctmg110 i2c reading error\n");
++#endif
++ }
++
++ return 0;
++}
++/*
++ * cy8ctmg110_read_versionid delevery touch event to the userpace
++ * function use normal input interface
++ */
++static void cy8ctmg110_read_versionid(void *tsc)
++{
++ struct cy8ctmg110 *ts = tsc;
++ unsigned char reg_p[2];
++
++
++ if (cy8ctmg110_read_req(ts,reg_p,1,CY8CTMG110_VERSIONID)==0){
++ printk("%s id 0x%x\n",ts->driver_name,reg_p[0]);
++
++ /*Ugly hack solution if SC
++ */
++
++ if(ts->client->addr==CY8CTMG110_I2C_ADDR_EXT)
++ isSc = true;
++
++ switch (reg_p[0]){
++ case 0x01:
++ ts->version_id = TOUCH_EXT;
++ break;
++ case 0x02:
++ ts->version_id = TOUCH_SC;
++ break;
++ case 0x03:
++ ts->version_id = TOUCH_KOSKI;
++ break;
++ default:
++ ts->version_id = TOUCH_KOSKI;
++ break;
++ }
++ }
++}
++
++
++#ifdef POLL_TOUCH_EVENTS
++/*
++ * if interup is'n in use the touch positions can reads by polling
++ *
++ */
++static enum hrtimer_restart cy8ctmg110_timer(struct hrtimer *handle)
++{
++ struct cy8ctmg110 *ts = container_of(handle, struct cy8ctmg110, timer);
++ unsigned long flags;
++
++ spin_lock_irqsave(&ts->lock, flags);
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("cy8ctmg110_timer\n");
++#endif
++
++ cy8ctmg110_touch_pos(ts);
++
++ if (ts->i2c_fail_count<TOUCH_MAX_I2C_FAILS)
++ hrtimer_start(&ts->timer, ktime_set(0, CY8CTMG110_POLL_TIMER_DELAY),
++ HRTIMER_MODE_REL);
++
++ spin_unlock_irqrestore(&ts->lock, flags);
++
++ return HRTIMER_NORESTART;
++}
++#endif
++/*
++ * cy8ctmg110_init_controller set init value to touchcontroller
++ *
++ */
++static bool cy8ctmg110_set_sleepmode(struct cy8ctmg110 *ts)
++{
++ unsigned char reg_p[3];
++
++ if(ts->sleepmode==true){
++ reg_p[0] = 0x00; reg_p[1] =0xff; reg_p[2] =5;
++ }else{
++ reg_p[0] = 0x10;reg_p[1] =0xff;reg_p[2] =0;
++ }
++
++ if (cy8ctmg110_write_req(ts,CY8CTMG110_TOUCH_WAKEUP_TIME,3,reg_p)){
++ return false;
++ }
++ ts->initController = true;
++
++ return true;
++}
++
++
++
++static void cy8ctmg110_work(struct work_struct *work)
++{
++ struct cy8ctmg110 *ts =
++ container_of(to_delayed_work(work), struct cy8ctmg110, work);
++
++ cy8ctmg110_touch_pos(ts);
++}
++
++
++/*
++ * cy8ctmg110_irq_handler irq handling function
++ *
++ */
++static irqreturn_t cy8ctmg110_irq_handler(int irq, void *handle)
++{
++ struct cy8ctmg110 * tsc = (struct cy8ctmg110 *)handle;
++
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("%s cy8ctmg110_irq_handler\n",tsc->driver_name);
++#endif
++ if (tsc->initController == false){
++ if (cy8ctmg110_set_sleepmode(tsc) == true)
++ tsc->initController = true;
++ }
++ else
++ {
++ schedule_delayed_work(&tsc->work,
++ msecs_to_jiffies(1));
++ }
++
++#ifdef POLL_TOUCH_EVENTS
++ /*if interrupt supported in the touch controller
++ timer polling need to stop*/
++ tsc->i2c_fail_count = TOUCH_MAX_I2C_FAILS;
++#endif
++ return IRQ_HANDLED;
++}
++
++
++static int cy8ctmg110_probe(struct i2c_client *client,
++ const struct i2c_device_id *id)
++{
++ struct cy8ctmg110 *ts;
++ struct input_dev *input_dev;
++ int err;
++
++ if (!i2c_check_functionality(client->adapter,
++ I2C_FUNC_SMBUS_READ_WORD_DATA))
++ return -EIO;
++
++ ts = kzalloc(sizeof(struct cy8ctmg110), GFP_KERNEL);
++ input_dev = input_allocate_device();
++
++ if (!ts || !input_dev) {
++ err = -ENOMEM;
++ goto err_free_mem;
++ }
++
++ ts->client = client;
++ i2c_set_clientdata(client, ts);
++
++ ts->input = input_dev;
++ ts->pending = false;
++ ts->sleepmode = false;
++
++
++ if(client->addr==CY8CTMG110_I2C_ADDR){
++ ts->reset_gpio = CY8CTMG110_RESET_PIN_GPIO;
++ input_dev->name = CY8CTMG110_DRIVER_NAME" Touchscreen";
++ snprintf(ts->driver_name, sizeof(ts->driver_name),"%s", CY8CTMG110_DRIVER_NAME);
++ }
++ else if (client->addr==CY8CTMG110_I2C_ADDR_EXT){
++ ts->reset_gpio = CY8CTMG110_RESET_PIN_GPIO_EXT;
++ input_dev->name = CY8CTMG110_DRIVER_NAME_EXT" Touchscreen";
++ snprintf(ts->driver_name, sizeof(ts->driver_name),"%s", CY8CTMG110_DRIVER_NAME_EXT);
++ }
++
++ snprintf(ts->phys, sizeof(ts->phys),
++ "%s/input0", dev_name(&client->dev));
++
++ INIT_DELAYED_WORK(&ts->work, cy8ctmg110_work);
++
++ input_dev->phys = ts->phys;
++ input_dev->id.bustype = BUS_I2C;
++
++ spin_lock_init(&ts->lock);
++
++ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
++ BIT_MASK(EV_REL) | BIT_MASK(EV_ABS);
++
++ input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
++
++ input_set_capability(input_dev, EV_KEY, KEY_F);
++
++
++ input_set_abs_params(input_dev, ABS_X, CY8CTMG110_X_MIN, CY8CTMG110_X_MAX, 0, 0);
++ input_set_abs_params(input_dev, ABS_Y, CY8CTMG110_Y_MIN, CY8CTMG110_Y_MAX, 0, 0);
++ input_dev->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X)| BIT_MASK(REL_Y);
++
++ err = gpio_request(ts->reset_gpio, NULL);
++
++ if (err) {
++ printk("GPIO pin %d failed to request.\n", ts->reset_gpio);
++ goto err_free_thread;
++ }
++
++ cy8ctmg110_power(ts,true);
++
++ ts->initController = false;
++#ifdef POLL_TOUCH_EVENTS
++ ts->i2c_fail_count = 0;
++ hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
++ ts->timer.function = cy8ctmg110_timer;
++
++ hrtimer_start(&ts->timer, ktime_set(10, 0),
++ HRTIMER_MODE_REL);
++#endif
++ err = gpio_request(client->irq, "touch_irq_key");
++
++ if (err < 0) {
++ printk("%s gpio-keys: failed to request GPIO %d,"
++ " error %d\n",ts->driver_name,client->irq, err);
++ goto err_free_thread;
++ }
++
++ err= gpio_direction_input(client->irq);
++
++ if (err < 0) {
++ pr_err("%s gpio-keys: failed to configure input"
++ " direction for GPIO %d, error %d\n",ts->driver_name,client->irq, err);
++ gpio_free(client->irq);
++ goto err_free_thread;
++ }
++
++ ts->irq_gpio = gpio_to_irq(client->irq);
++
++ if (ts->irq_gpio < 0) {
++ err = ts->irq_gpio;
++ pr_err("cy8ctmg110 gpio-keys: Unable to get irq number"
++ " for GPIO %d, error %d\n",
++ ts->irq_gpio, err);
++ gpio_free(ts->irq_gpio);
++ goto err_free_thread;
++ }
++
++ if (client->addr!=CY8CTMG110_I2C_ADDR_EXT){
++ err = request_irq(ts->irq_gpio, cy8ctmg110_irq_handler,
++ IRQF_TRIGGER_RISING | IRQF_SHARED,
++ "touch_reset_key",
++ ts);
++ }
++
++ if (err < 0) {
++ dev_err(&client->dev, "cy8ctmg110 irq %d busy? error %d\n", ts->irq_gpio ,err);
++ goto err_free_thread;
++ }
++
++ err = input_register_device(input_dev);
++ cy8ctmg110_read_versionid(ts);
++
++ if (err)
++ goto err_free_irq;
++
++ return 0;
++
++ err_free_irq:
++ printk("%s err_free_irq\n",ts->driver_name);
++ free_irq(client->irq, ts);
++ err_free_thread:
++ printk("%s err_free_thread\n",ts->driver_name);
++ err_free_mem:
++ printk("%s err_free_mem\n",ts->driver_name);
++ input_free_device(input_dev);
++ kfree(ts);
++
++ return err;
++}
++/*
++ * cy8ctmg110_suspend
++ *
++ */
++static int cy8ctmg110_suspend(struct i2c_client *client, pm_message_t mesg)
++{
++ if (device_may_wakeup(&client->dev))
++ enable_irq_wake(client->irq);
++
++ return 0;
++}
++/*
++ * cy8ctmg110_resume
++ *
++ */
++static int cy8ctmg110_resume(struct i2c_client *client)
++{
++ if (device_may_wakeup(&client->dev))
++ disable_irq_wake(client->irq);
++
++ return 0;
++}
++/*
++ * cy8ctmg110_remove
++ *
++ */
++static int cy8ctmg110_remove(struct i2c_client *client)
++{
++ struct cy8ctmg110 *ts = i2c_get_clientdata(client);
++
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("cy8ctmg110_remove\n");
++#endif
++
++ cy8ctmg110_power(ts,false);
++#ifdef POLL_TOUCH_EVENTS
++ hrtimer_cancel(&ts->timer);
++#endif
++
++ free_irq(client->irq, ts);
++ input_unregister_device(ts->input);
++ kfree(ts);
++
++ return 0;
++}
++
++static struct i2c_device_id cy8ctmg110_idtable[] = {
++ { CY8CTMG110_DRIVER_NAME, 1 },
++ { CY8CTMG110_DRIVER_NAME_EXT, 1 },
++ { }
++};
++
++MODULE_DEVICE_TABLE(i2c, cy8ctmg110_idtable);
++
++static struct i2c_driver cy8ctmg110_driver = {
++ .driver = {
++ .owner = THIS_MODULE,
++ .name = CY8CTMG110_DRIVER_NAME,
++ .bus = &i2c_bus_type,
++ },
++ .id_table = cy8ctmg110_idtable,
++ .probe = cy8ctmg110_probe,
++ .remove = cy8ctmg110_remove,
++ .suspend = cy8ctmg110_suspend,
++ .resume = cy8ctmg110_resume,
++};
++
++
++static int __init cy8ctmg110_init(void)
++{
++ printk("cy8ctmg110_init\n");
++
++ return i2c_add_driver(&cy8ctmg110_driver);
++}
++
++static void __exit cy8ctmg110_exit(void)
++{
++#ifdef CY8CTMG110_DEBUG_INFO
++ printk("cy8ctmg110_exit\n");
++#endif
++ i2c_del_driver(&cy8ctmg110_driver);
++}
++
++module_init(cy8ctmg110_init);
++module_exit(cy8ctmg110_exit);
++
++
++struct i2c_board_info __initdata koski_i2c_board_info2[] = {
++ {
++ I2C_BOARD_INFO(CY8CTMG110_DRIVER_NAME, CY8CTMG110_I2C_ADDR),
++ .irq = CY8CTMG110_IRQ_PIN_GPIO
++ },
++ {
++ I2C_BOARD_INFO(CY8CTMG110_DRIVER_NAME_EXT, CY8CTMG110_I2C_ADDR_EXT),
++ .irq = CY8CTMG110_IRQ_PIN_GPIO_EXT
++ },
++};
++
++
++static int __init koski_i2c_init(void)
++{
++ printk("init koski board\n");
++
++#ifdef MOORESTOWN_CDK
++ /*init koski i2c*/
++ i2c_register_board_info(1, koski_i2c_board_info2,
++ ARRAY_SIZE(koski_i2c_board_info2));
++#else
++ /*init koski i2c*/
++ i2c_register_board_info(0, koski_i2c_board_info2,
++ ARRAY_SIZE(koski_i2c_board_info2));
++#endif
++ return 0;
++}
++
++module_init(koski_i2c_init);
++
++MODULE_AUTHOR("Samuli Konttila <samuli.konttila@aavamobile.com>");
++MODULE_DESCRIPTION("cy8ctmg110 TouchScreen Driver");
++MODULE_LICENSE("GPL v2");
++
++
++// Aava access from sysfs begin
++static ssize_t aava_query_fw_info_func(struct class *class, char *buf)
++{
++ ssize_t status;
++ int i = 0;
++ unsigned char mrst_fw_ver_info[16];
++
++ printk("!!! aava_query_fw_info_func() ENTER\n");
++
++ status = mrst_get_firmware_version(mrst_fw_ver_info);
++ for (i = 0; i < 16; i++){
++ printk("%x\n", mrst_fw_ver_info[i]);
++ buf[i] = mrst_fw_ver_info[i];
++ }
++
++ return 16;
++}
++
++static ssize_t aava_enable_touch_traces_func(struct class *class, \
++ const char *buf, size_t len)
++{
++ ssize_t status;
++ unsigned long value;
++
++ status = strict_strtoul(buf, 0, &value);
++ printk("!!! aava_enable_touch_traces_func() = %d\n", (int)value);
++
++ g_y_trace_coord = value;
++
++ return len;
++}
++
++static struct class_attribute aava_class_attrs[] = {
++ __ATTR(aava_query_fw_info, 0444, aava_query_fw_info_func, NULL),
++ __ATTR(aava_enable_touch_traces, 0200, NULL, aava_enable_touch_traces_func),
++ __ATTR_NULL,
++};
++
++static struct class aava_class = {
++ .name = "aava",
++ .owner = THIS_MODULE,
++
++ .class_attrs = aava_class_attrs,
++};
++
++static int __init aava_sysfs_init(void)
++{
++ int status;
++
++ status = class_register(&aava_class);
++ if (status < 0)
++ return status;
++
++ return status;
++}
++postcore_initcall(aava_sysfs_init);
++// Aava access from sysfs end
+--
+1.6.2.2
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 06:07:34 +0000