/**
* led_classdev_register - register a new object of led_classdev class.
* @parent: The device to register.
* @led_cdev: the led_classdev structure for this device.
*/
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
"%s", led_cdev->name);
if (IS_ERR(led_cdev->dev))
return PTR_ERR(led_cdev->dev);
#ifdef CONFIG_LEDS_TRIGGERS
init_rwsem(&led_cdev->trigger_lock);
#endif
/* add to the list of leds */
down_write(&leds_list_lock);
list_add_tail(&led_cdev->node, &leds_list);
up_write(&leds_list_lock);
if (!led_cdev->max_brightness)
led_cdev->max_brightness = LED_FULL;
led_update_brightness(led_cdev);
init_timer(&led_cdev->blink_timer);
led_cdev->blink_timer.function = led_timer_function;
led_cdev->blink_timer.data = (unsigned long)led_cdev;
#ifdef CONFIG_LEDS_TRIGGERS
led_trigger_set_default(led_cdev);
#endif
#ifdef CONFIG_DEBUG_PRINTK
printk(KERN_DEBUG "Registered led device: %s\n",
led_cdev->name);
#else
;
#endif
#ifdef CONFIG_GENERIC_BLN
if (strcmp(led_cdev, "button-backlight"))
{
bln_led_cdev = led_cdev;
register_bln_implementation(&led_bln);
}
#endif
return 0;
}
static int __init herring_init_touchkey_led(void)
{
int i;
int ret = 0;
u32 gpio;
if (!machine_is_herring() || !herring_is_tft_dev())
return 0;
for (i = 0; i < ARRAY_SIZE(led_gpios); i++) {
gpio = S5PV210_GPJ3(led_gpios[i]);
ret = gpio_request(gpio, "touchkey led");
if (ret) {
pr_err("Failed to request touchkey led gpio %d\n", i);
goto err_req;
}
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
s3c_gpio_slp_cfgpin(gpio, S3C_GPIO_SLP_PREV);
s3c_gpio_slp_setpull_updown(gpio, S3C_GPIO_PULL_NONE);
}
herring_touchkey_led_onoff(1);
register_early_suspend(&early_suspend);
#ifdef CONFIG_GENERIC_BLN
register_bln_implementation(&herring_touchkey_bln);
#endif
#ifdef CONFIG_BLD
register_bld_implementation(&herring_touchkey_bld);
#endif
return 0;
err_req:
while (--i >= 0)
gpio_free(S5PV210_GPJ3(led_gpios[i]));
return ret;
}
static int __init touchkey_init(void)
{
int ret = 0;
int retry = 3;
#if 0
//update version "eclair/vendor/samsung/apps/Lcdtest/src/com/sec/android/app/lcdtest/touch_firmware.java"
//if ((data[1] >= 0xa1) && (data[1] < 0xa9)) {
//set_touchkey_debug('U');
while (retry--) {
if (ISSP_main() == 0) {
printk("touchkey_update succeeded\n");
//set_touchkey_debug('C');
break;
}
printk("touchkey_update failed... retry...\n");
//set_touchkey_debug('f');
}
if (retry <= 0) {
gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
#if !defined(CONFIG_ARIES_NTT)
gpio_direction_output(_3_GPIO_TOUCH_CE, 0);
#endif
msleep(300);
}
init_hw(); //after update, re initalize.
//}
#endif
ret = i2c_add_driver(&touchkey_i2c_driver);
if (ret)
pr_err("%s: cypress touch keypad registration failed. (%d)\n",
__func__, ret);
#ifdef CONFIG_GENERIC_BLN
register_bln_implementation(&cypress_touchkey_bln);
#endif
return ret;
}
static int cypress_touchkey_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct input_dev *input_dev;
struct cypress_touchkey_devdata *devdata;
u8 data[3];
int err;
int cnt;
if (!dev->platform_data) {
dev_err(dev, "%s: Platform data is NULL\n", __func__);
return -EINVAL;
}
devdata = kzalloc(sizeof(*devdata), GFP_KERNEL);
if (devdata == NULL) {
dev_err(dev, "%s: failed to create our state\n", __func__);
return -ENODEV;
}
devdata->client = client;
i2c_set_clientdata(client, devdata);
devdata->pdata = client->dev.platform_data;
if (!devdata->pdata->keycode) {
dev_err(dev, "%s: Invalid platform data\n", __func__);
err = -EINVAL;
goto err_null_keycodes;
}
strlcpy(devdata->client->name, DEVICE_NAME, I2C_NAME_SIZE);
input_dev = input_allocate_device();
if (!input_dev) {
err = -ENOMEM;
goto err_input_alloc_dev;
}
devdata->input_dev = input_dev;
dev_set_drvdata(&input_dev->dev, devdata);
input_dev->name = DEVICE_NAME;
input_dev->id.bustype = BUS_HOST;
for (cnt = 0; cnt < devdata->pdata->keycode_cnt; cnt++)
input_set_capability(input_dev, EV_KEY,
devdata->pdata->keycode[cnt]);
devdata->is_powering_on = true;
devdata->pdata->touchkey_onoff(TOUCHKEY_ON);
err = i2c_master_recv(client, data, sizeof(data));
if (err < sizeof(data)) {
if (err >= 0)
err = -EIO;
dev_err(dev, "%s: error reading hardware version\n", __func__);
goto err_read;
}
dev_info(dev, "%s: hardware rev1 = %#02x, rev2 = %#02x\n", __func__,
data[1], data[2]);
if (data[1] != 0xa || data[2] < 0x9)
input_dev->open = cypress_touchkey_open;
err = input_register_device(input_dev);
if (err)
goto err_input_reg_dev;
set_device_params(devdata, data);
err = i2c_touchkey_write_byte(devdata, devdata->backlight_on);
if (err) {
dev_err(dev, "%s: touch keypad backlight on failed\n",
__func__);
/* The device may not be responding because of bad firmware
* Allow the firmware to be reflashed if it needs to be
*/
if (!input_dev->open)
goto err_backlight_on;
}
err = request_threaded_irq(client->irq, touchkey_interrupt_handler,
touchkey_interrupt_thread, IRQF_TRIGGER_FALLING,
DEVICE_NAME, devdata);
if (err) {
dev_err(dev, "%s: Can't allocate irq.\n", __func__);
goto err_req_irq;
}
#ifdef CONFIG_HAS_EARLYSUSPEND
devdata->early_suspend.suspend = cypress_touchkey_early_suspend;
devdata->early_suspend.resume = cypress_touchkey_early_resume;
#endif
register_early_suspend(&devdata->early_suspend);
devdata->is_powering_on = false;
#ifdef CONFIG_GENERIC_BLN
blndevdata = devdata;
register_bln_implementation(&cypress_touchkey_bln);
#endif
#ifdef CONFIG_BLD
blddevdata = devdata;
register_bld_implementation(&cypress_touchkey_bld);
#endif
#ifdef CONFIG_TOUCH_WAKE
touchwakedevdata = devdata;
register_touchwake_implementation(&cypress_touchwake);
#endif
return 0;
err_req_irq:
err_backlight_on:
input_unregister_device(input_dev);
goto touchkey_off;
err_input_reg_dev:
err_read:
input_free_device(input_dev);
touchkey_off:
devdata->pdata->touchkey_onoff(TOUCHKEY_OFF);
err_input_alloc_dev:
err_null_keycodes:
kfree(devdata);
return err;
}
static int __init touchkey_init(void)
{
int ret = 0;
int retry = 10;
char data[3] = { 0, };
#if !(defined( CONFIG_S5PC110_T959_BOARD) || defined(CONFIG_S5PC110_KEPLER_BOARD)|| defined(CONFIG_S5PC110_DEMPSEY_BOARD))
#if defined(CONFIG_S5PC110_HAWK_BOARD) || defined(CONFIG_S5PC110_VIBRANTPLUS_BOARD)
#else
touchkey_keycode[2] = KEY_ENTER;
#endif
#endif
#if !(defined(CONFIG_ARIES_NTT) || defined(CONFIG_S5PC110_DEMPSEY_BOARD))
if (ret = gpio_request(_3_GPIO_TOUCH_CE, "_3_GPIO_TOUCH_CE"))
printk(KERN_ERR "Failed to request gpio %s:%d\n", __func__, __LINE__);
#endif
#ifndef CONFIG_S5PC110_DEMPSEY_BOARD
if (ret = gpio_request(_3_GPIO_TOUCH_EN, "_3_GPIO_TOUCH_EN"))
printk(KERN_ERR "Failed to request gpio %s:%d\n", __func__, __LINE__);
#endif
if (ret = gpio_request(_3_TOUCH_SDA_28V, "_3_TOUCH_SDA_28V"))
printk(KERN_ERR "Failed to request gpio %s:%d\n", __func__, __LINE__);
if (ret = gpio_request(_3_TOUCH_SCL_28V, "_3_TOUCH_SCL_28V"))
printk(KERN_ERR "Failed to request gpio %s:%d\n", __func__, __LINE__);
ret = misc_register(&touchkey_update_device);
if (ret) {
printk("%s misc_register fail\n", __FUNCTION__);
}
if (device_create_file
(touchkey_update_device.this_device, &dev_attr_touch_version) < 0) {
printk("%s device_create_file fail dev_attr_touch_version\n",
__FUNCTION__);
pr_err("Failed to create device file(%s)!\n",
dev_attr_touch_version.attr.name);
}
if (device_create_file
(touchkey_update_device.this_device, &dev_attr_touch_update) < 0) {
printk("%s device_create_file fail dev_attr_touch_update\n",
__FUNCTION__);
pr_err("Failed to create device file(%s)!\n",
dev_attr_touch_update.attr.name);
}
if (device_create_file
(touchkey_update_device.this_device, &dev_attr_brightness) < 0) {
printk("%s device_create_file fail dev_attr_touch_update\n",
__FUNCTION__);
pr_err("Failed to create device file(%s)!\n",
dev_attr_brightness.attr.name);
}
if (device_create_file
(touchkey_update_device.this_device,
&dev_attr_enable_disable) < 0) {
printk("%s device_create_file fail dev_attr_touch_update\n",
__FUNCTION__);
pr_err("Failed to create device file(%s)!\n",
dev_attr_enable_disable.attr.name);
}
#if defined (CONFIG_S5PC110_T959_BOARD) || defined(CONFIG_S5PC110_HAWK_BOARD) || defined(CONFIG_S5PC110_VIBRANTPLUS_BOARD)
//NAGSM_Android_SEL_Kernel_Aakash_20100320
if (device_create_file(touchkey_update_device.this_device, &dev_attr_melfasevtcntrl) < 0)
{
printk("%s device_create_file fail dev_attr_melfasevtcntrl\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_melfasevtcntrl.attr.name);
}
//NAGSM_Android_SEL_Kernel_Aakash_20100320
#endif
touchkey_wq = create_singlethread_workqueue("melfas_touchkey_wq");
if (!touchkey_wq)
return -ENOMEM;
INIT_WORK(&touchkey_work, touchkey_work_func);
init_hw();
while (retry--) {
if (get_touchkey_firmware(data) == 0) //melfas need delay for multiple read
break;
}
printk("%s F/W version: 0x%x, Module version:0x%x\n", __FUNCTION__,
data[1], data[2]);
touch_version = data[1];
retry = 3;
#ifdef CONFIG_S5PC110_DEMPSEY_BOARD
if((HWREV == 0x0C) && ((data[1] < 0x20)|| (data[1] == 0xFF)) ) {
set_touchkey_debug('U');
while (retry--) {
if (ISSP_main() == 0) {
printk("touchkey_update succeeded\n");
set_touchkey_debug('C');
break;
}
printk("touchkey_update failed... retry...\n");
set_touchkey_debug('f');
}
#ifndef CONFIG_S5PC110_DEMPSEY_BOARD
if (retry <= 0) {
gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
#if !(defined(CONFIG_ARIES_NTT) || defined(CONFIG_S5PC110_DEMPSEY_BOARD))
gpio_direction_output(_3_GPIO_TOUCH_CE, 0);
#endif
msleep(300);
}
#endif
init_hw(); //after update, re initalize.
}
#endif
ret = i2c_add_driver(&touchkey_i2c_driver);
if (ret) {
printk
("melfas touch keypad registration failed, module not inserted.ret= %d\n",
ret);
}
#ifdef CONFIG_GENERIC_BLN
register_bln_implementation(&cypress_touchkey_bln);
#endif
return ret;
}
