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Diffstat (limited to 'meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch')
-rw-r--r--meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch870
1 files changed, 0 insertions, 870 deletions
diff --git a/meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch b/meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch
deleted file mode 100644
index 2dae9ed82..000000000
--- a/meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-cypress-touch-driver.patch
+++ /dev/null
@@ -1,870 +0,0 @@
-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 2024-08-05 18:31:09 +0000