diff options
Diffstat (limited to 'drivers/video/samsung_duallcd/s3cfb_s6c1372.c')
| -rw-r--r-- | drivers/video/samsung_duallcd/s3cfb_s6c1372.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/drivers/video/samsung_duallcd/s3cfb_s6c1372.c b/drivers/video/samsung_duallcd/s3cfb_s6c1372.c deleted file mode 100644 index 4d23708..0000000 --- a/drivers/video/samsung_duallcd/s3cfb_s6c1372.c +++ /dev/null @@ -1,214 +0,0 @@ -/* linux/drivers/video/samsung/s3cfb_s6c1372.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * S6F1202A : 7" WSVGA Landscape LCD module driver - * S6C1372 : 7.3" WXGA Landscape LCD module driver - * - * 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. -*/ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/wait.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/platform_device.h> -#include <linux/lcd.h> -#include <plat/gpio-cfg.h> -#include "s3cfb.h" - - -struct s6c1372_lcd { - unsigned int power; - struct device *dev; - struct lcd_device *ld; - struct lcd_platform_data *lcd_pd; -}; - -static int lvds_lcd_set_power(struct lcd_device *ld, int power) -{ - struct s6c1372_lcd *lcd = lcd_get_data(ld); - struct lcd_platform_data *pd = NULL; - if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN && - power != FB_BLANK_NORMAL) { - dev_err(&lcd->ld->dev, "power value should be 0, 1 or 4.\n"); - return -EINVAL; - } - pd = lcd->lcd_pd; - if (power) - pd->power_on(lcd->ld, 0); - else - pd->power_on(lcd->ld, 1); - lcd->power = power; - return 0; -} -static int lvds_lcd_get_power(struct lcd_device *ld) -{ - struct s6c1372_lcd *lcd = lcd_get_data(ld); - - return lcd->power; -} -static struct lcd_ops s6c1372_ops = { - .set_power = lvds_lcd_set_power, - .get_power = lvds_lcd_get_power, -}; - -extern unsigned int lcdtype; - -static ssize_t lcdtype_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - char temp[15]; -#if defined(CONFIG_FB_S5P_S6F1202A) - /*For P2*/ - if (lcdtype == 0) - sprintf(temp, "HYDIS_NT51008\n"); - else if (lcdtype == 2) - sprintf(temp, "BOE_NT51008\n"); - else - sprintf(temp, "SMD_S6F1202A02\n"); -#else - /*For p4*/ - sprintf(temp, "SMD_S6C1372\n"); -#endif - strcat(buf, temp); - return strlen(buf); -} -static DEVICE_ATTR(lcd_type, 0664, lcdtype_show, NULL); - -void s5c1372_ldi_enable(void) -{ -#if defined(CONFIG_FB_S5P_S6C1372) - gpio_set_value(GPIO_LCD_EN, GPIO_LEVEL_HIGH); - msleep(40); -#else /* defined(CONFIG_FB_S5P_S6F1202A ) */ - gpio_set_value(GPIO_LCD_EN, GPIO_LEVEL_HIGH); - gpio_set_value(GPIO_LCD_LDO_EN, GPIO_LEVEL_HIGH); - msleep(40); - - /* Enable backlight PWM GPIO for P2 device. */ - gpio_set_value(GPIO_LCD_BACKLIGHT_PWM, 0); - s3c_gpio_cfgpin(GPIO_LCD_BACKLIGHT_PWM, S3C_GPIO_SFN(3)); -#endif -} - -void s5c1372_ldi_disable(void) -{ -#if defined(CONFIG_FB_S5P_S6C1372) - s3c_gpio_cfgpin(GPIO_LCD_PCLK, S3C_GPIO_OUTPUT); - s3c_gpio_setpull(GPIO_LCD_PCLK, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_LCD_PCLK, GPIO_LEVEL_LOW); - - msleep(40); - gpio_set_value(GPIO_LCD_EN, GPIO_LEVEL_LOW); - - msleep(600); -#else /* defined(CONFIG_FB_S5P_S6F1202A ) */ - /* Disable backlight PWM GPIO for P2 device. */ - gpio_set_value(GPIO_LCD_BACKLIGHT_PWM, GPIO_LEVEL_LOW); - s3c_gpio_cfgpin(GPIO_LCD_BACKLIGHT_PWM, S3C_GPIO_OUTPUT); - - /* Disable LVDS Panel Power, 1.2, 1.8, display 3.3V */ - gpio_set_value(GPIO_LCD_LDO_EN, GPIO_LEVEL_LOW); - gpio_set_value(GPIO_LCD_EN, GPIO_LEVEL_LOW); - msleep(300); -#endif -} - -static int __init s6c1372_probe(struct platform_device *pdev) -{ - struct s6c1372_lcd *lcd; - int ret = 0; - - lcd = kzalloc(sizeof(struct s6c1372_lcd), GFP_KERNEL); - if (!lcd) { - pr_err("failed to allocate for lcd\n"); - ret = -ENOMEM; - goto err_alloc; - } - - lcd->ld = lcd_device_register("panel", &pdev->dev, lcd, &s6c1372_ops); - - if (IS_ERR(lcd->ld)) { - pr_err("failed to register lcd device\n"); - ret = PTR_ERR(lcd->ld); - goto out_free_lcd; - } - lcd->lcd_pd = pdev->dev.platform_data; - if (IS_ERR(lcd->lcd_pd)) { - pr_err("no platform data for lcd, cannot attach\n"); - ret = PTR_ERR(lcd->lcd_pd); - goto out_free_lcd; - } - lcd->power = 1; - ret = device_create_file(&lcd->ld->dev, &dev_attr_lcd_type); - if (ret < 0) - dev_err(&lcd->ld->dev, "failed to add sysfs entries\n"); - - dev_set_drvdata(&pdev->dev, lcd); - - dev_info(&lcd->ld->dev, "lcd panel driver has been probed.\n"); - - return 0; - -out_free_lcd: - kfree(lcd); - return ret; -err_alloc: - return ret; -} - -static int __devexit s6c1372_remove(struct platform_device *pdev) -{ - struct s6c1372_lcd *lcd = dev_get_drvdata(&pdev->dev); - - lcd_device_unregister(lcd->ld); - kfree(lcd); - - return 0; -} -#ifdef CONFIG_FB_S5P_S6C1372 -static void s6c1372_shutdown(struct platform_device *pdev) -{ - gpio_set_value(GPIO_LED_BACKLIGHT_RESET, GPIO_LEVEL_LOW); - msleep(200); - - s5c1372_ldi_disable(); -} -#endif -static struct platform_driver s6c1372_driver = { - .driver = { - .name = "s6c1372", - .owner = THIS_MODULE, - }, - .probe = s6c1372_probe, - .remove = __exit_p(s6c1372_remove), - .suspend = NULL, - .resume = NULL, -#ifdef CONFIG_FB_S5P_S6C1372 - .shutdown = s6c1372_shutdown, -#endif -}; - -static int __init s6c1372_init(void) -{ - return platform_driver_register(&s6c1372_driver); -} - -static void __exit s6c1372_exit(void) -{ - platform_driver_unregister(&s6c1372_driver); -} - -module_init(s6c1372_init); -module_exit(s6c1372_exit); - -MODULE_AUTHOR("SAMSUNG"); -MODULE_DESCRIPTION("S6C1372 LCD driver"); -MODULE_LICENSE("GPL"); - |