diff options
Diffstat (limited to 'drivers/video/samsung_duallcd/s3cfb_s6e8aa0.c')
| -rw-r--r-- | drivers/video/samsung_duallcd/s3cfb_s6e8aa0.c | 1534 |
1 files changed, 0 insertions, 1534 deletions
diff --git a/drivers/video/samsung_duallcd/s3cfb_s6e8aa0.c b/drivers/video/samsung_duallcd/s3cfb_s6e8aa0.c deleted file mode 100644 index fef2c6f..0000000 --- a/drivers/video/samsung_duallcd/s3cfb_s6e8aa0.c +++ /dev/null @@ -1,1534 +0,0 @@ -/* linux/drivers/video/samsung/s3cfb_s6e8aa0.c - * - * MIPI-DSI based AMS529HA01 AMOLED lcd panel 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/mutex.h> -#include <linux/wait.h> -#include <linux/ctype.h> -#include <linux/io.h> -#include <linux/delay.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/gpio.h> -#include <linux/workqueue.h> -#include <linux/backlight.h> -#include <linux/lcd.h> -#include <plat/gpio-cfg.h> -#include <plat/regs-dsim.h> -#include <mach/dsim.h> -#include <mach/mipi_ddi.h> -#ifdef CONFIG_HAS_EARLYSUSPEND -#include <linux/earlysuspend.h> -#endif - -#include "s5p-dsim.h" -#include "s3cfb.h" -#include "s6e8aa0_gamma_l.h" - -#if defined(CONFIG_S6E8AA0_AMS529HA01) -#include "s6e8aa0_gamma_q1.h" -#define SMART_DIMMING -#else -#include "s6e8aa0_gamma_c1m0.h" -#define SMART_DIMMING -#endif - -#ifdef SMART_DIMMING -#include "smart_dimming.h" -#ifdef CONFIG_AID_DIMMING -#include "aid_s6e8aa0.h" -#endif -#endif - -#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) - -#define MIN_BRIGHTNESS 0 -#define MAX_BRIGHTNESS 255 -#if defined(CONFIG_S6E8AA0_AMS529HA01) -#define MAX_GAMMA 290 -#define DEFAULT_BRIGHTNESS 150 -#define DEFAULT_GAMMA_LEVEL GAMMA_150CD -#else -#define MAX_GAMMA 300 -#define DEFAULT_BRIGHTNESS 160 -#define DEFAULT_GAMMA_LEVEL GAMMA_160CD -#endif - -#define LDI_ID_REG 0xD1 -#define LDI_ID_LEN 3 - -#ifdef SMART_DIMMING -#define PANEL_A1_M3 0xA1 - -#define LDI_MTP_LENGTH 24 -#define LDI_MTP_ADDR 0xD3 - -#define DYNAMIC_ELVSS_MIN_VALUE 0x81 -#define DYNAMIC_ELVSS_MAX_VALUE 0x9F - -#define ELVSS_MODE0_MIN_VOLTAGE 62 -#define ELVSS_MODE1_MIN_VOLTAGE 52 - -struct str_elvss { - u8 reference; - u8 limit; -}; -#endif - -struct lcd_info { - unsigned int bl; - unsigned int auto_brightness; - unsigned int acl_enable; - unsigned int cur_acl; - unsigned int current_bl; - unsigned int current_elvss; - - unsigned int ldi_enable; - unsigned int power; - struct mutex lock; - struct mutex bl_lock; - - struct device *dev; - struct lcd_device *ld; - struct backlight_device *bd; - struct lcd_platform_data *lcd_pd; - struct early_suspend early_suspend; - - unsigned char id[LDI_ID_LEN]; - - unsigned char **gamma_table; - unsigned char **elvss_table; - -#ifdef SMART_DIMMING - unsigned int support_elvss; - - struct str_smart_dim smart; - struct str_elvss elvss; -#endif -#ifdef CONFIG_AID_DIMMING - unsigned int support_aid; - unsigned char f8[GAMMA_MAX][ARRAY_SIZE(SEQ_PANEL_CONDITION_SET_500MBPS)]; -#endif - unsigned int irq; - unsigned int connected; - -#if defined(GPIO_OLED_DET) - struct delayed_work oled_detection; - unsigned int oled_detection_count; -#endif - struct dsim_global *dsim; -}; - -#ifdef CONFIG_AID_DIMMING -static const unsigned int candela_table[GAMMA_MAX] = { - 20, 30, 40, 50, 60, 70, 80, 90, 100, - 110, 120, 130, 140, 150, 160, 170, 180, - 182, 184, 186, 188, - 190, 200, 210, 220, 230, 240, 250, MAX_GAMMA-1 -}; - -static unsigned int aid_candela_table[GAMMA_MAX] = { - base_20to100, base_20to100, base_20to100, base_20to100, base_20to100, base_20to100, base_20to100, base_20to100, base_20to100, - AOR40_BASE_110, AOR40_BASE_120, AOR40_BASE_130, AOR40_BASE_140, AOR40_BASE_150, - AOR40_BASE_160, AOR40_BASE_170, AOR40_BASE_180, AOR40_BASE_182, AOR40_BASE_184, - AOR40_BASE_186, AOR40_BASE_188, - 190, 200, 210, 220, 230, 240, 250, MAX_GAMMA-1 -}; - -static unsigned int elvss_offset_table[ELVSS_STATUS_MAX] = { - ELVSS_OFFSET_110, - ELVSS_OFFSET_120, - ELVSS_OFFSET_130, - ELVSS_OFFSET_140, - ELVSS_OFFSET_150, - ELVSS_OFFSET_160, - ELVSS_OFFSET_170, - ELVSS_OFFSET_180, - ELVSS_OFFSET_190, - ELVSS_OFFSET_200, - ELVSS_OFFSET_210, - ELVSS_OFFSET_220, - ELVSS_OFFSET_230, - ELVSS_OFFSET_240, - ELVSS_OFFSET_250, - ELVSS_OFFSET_260, - ELVSS_OFFSET_270, - ELVSS_OFFSET_280, - ELVSS_OFFSET_290, - ELVSS_OFFSET_300 -}; -#else -static const unsigned int candela_table[GAMMA_MAX] = { - 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, - 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, - 230, 240, 250, MAX_GAMMA -}; - -static unsigned int elvss_offset_table[ELVSS_STATUS_MAX] = { - ELVSS_OFFSET_MIN, - ELVSS_OFFSET_1, - ELVSS_OFFSET_2, - ELVSS_OFFSET_MAX -}; -#endif - -#if defined(GPIO_OLED_DET) -static void oled_detection_work(struct work_struct *work) -{ - struct lcd_info *lcd = - container_of(work, struct lcd_info, oled_detection.work); - - int oled_det_level = gpio_get_value(GPIO_OLED_DET); - - dev_info(&lcd->ld->dev, "%s, %d, %d\n", __func__, lcd->oled_detection_count, oled_det_level); - - if (!oled_det_level) { - if (lcd->oled_detection_count < 10) { - schedule_delayed_work(&lcd->oled_detection, HZ/8); - lcd->oled_detection_count++; - set_dsim_hs_clk_toggle_count(15); - } else - set_dsim_hs_clk_toggle_count(0); - } else - set_dsim_hs_clk_toggle_count(0); - -} - -static irqreturn_t oled_detection_int(int irq, void *_lcd) -{ - struct lcd_info *lcd = _lcd; - - dev_info(&lcd->ld->dev, "%s\n", __func__); - - lcd->oled_detection_count = 0; - schedule_delayed_work(&lcd->oled_detection, HZ/16); - - return IRQ_HANDLED; -} -#endif - -static int s6e8ax0_write(struct lcd_info *lcd, const unsigned char *seq, int len) -{ - int size; - const unsigned char *wbuf; - - if (!lcd->connected) - return 0; - - mutex_lock(&lcd->lock); - - size = len; - wbuf = seq; - - if (size == 1) - lcd->dsim->ops->cmd_write(lcd->dsim, DCS_WR_NO_PARA, wbuf[0], 0); - else if (size == 2) - lcd->dsim->ops->cmd_write(lcd->dsim, DCS_WR_1_PARA, wbuf[0], wbuf[1]); - else - lcd->dsim->ops->cmd_write(lcd->dsim, DCS_LONG_WR, (unsigned int)wbuf, size); - - mutex_unlock(&lcd->lock); - - return 0; -} - -static int _s6e8ax0_read(struct lcd_info *lcd, const u8 addr, u16 count, u8 *buf) -{ - int ret = 0; - - if (!lcd->connected) - return ret; - - mutex_lock(&lcd->lock); - - if (lcd->dsim->ops->cmd_read) - ret = lcd->dsim->ops->cmd_read(lcd->dsim, addr, count, buf); - - mutex_unlock(&lcd->lock); - - return ret; -} - -static int s6e8ax0_read(struct lcd_info *lcd, const u8 addr, u16 count, u8 *buf, u8 retry_cnt) -{ - int ret = 0; - -read_retry: - ret = _s6e8ax0_read(lcd, addr, count, buf); - if (!ret) { - if (retry_cnt) { - printk(KERN_WARNING "[WARN:LCD] %s : retry cnt : %d\n", __func__, retry_cnt); - retry_cnt--; - goto read_retry; - } else - printk(KERN_ERR "[ERROR:LCD] %s : 0x%02x read failed\n", __func__, addr); - } - - return ret; -} - -#ifdef CONFIG_AID_DIMMING -static int get_backlight_level_from_brightness(int brightness) -{ - int backlightlevel; - - /* brightness setting from platform is from 0 to 255 - * But in this driver, brightness is only supported from 0 to 24 */ - - switch (brightness) { - case 0 ... 29: - backlightlevel = GAMMA_20CD; - break; - case 30 ... 39: - backlightlevel = GAMMA_30CD; - break; - case 40 ... 49: - backlightlevel = GAMMA_40CD; - break; - case 50 ... 59: - backlightlevel = GAMMA_50CD; - break; - case 60 ... 69: - backlightlevel = GAMMA_60CD; - break; - case 70 ... 79: - backlightlevel = GAMMA_70CD; - break; - case 80 ... 89: - backlightlevel = GAMMA_80CD; - break; - case 90 ... 99: - backlightlevel = GAMMA_90CD; - break; - case 100 ... 109: - backlightlevel = GAMMA_100CD; - break; - case 110 ... 119: - backlightlevel = GAMMA_110CD; - break; - case 120 ... 129: - backlightlevel = GAMMA_120CD; - break; - case 130 ... 139: - backlightlevel = GAMMA_130CD; - break; - case 140 ... 149: - backlightlevel = GAMMA_140CD; - break; - case 150 ... 159: - backlightlevel = GAMMA_150CD; - break; - case 160 ... 169: - backlightlevel = GAMMA_160CD; - break; - case 170 ... 179: - backlightlevel = GAMMA_170CD; - break; - case 180 ... 181: - backlightlevel = GAMMA_180CD; - break; - case 182 ... 183: - backlightlevel = GAMMA_182CD; - break; - case 184 ... 185: - backlightlevel = GAMMA_184CD; - break; - case 186 ... 187: - backlightlevel = GAMMA_186CD; - break; - case 188 ... 189: - backlightlevel = GAMMA_188CD; - break; - case 190 ... 199: - backlightlevel = GAMMA_190CD; - break; - case 200 ... 209: - backlightlevel = GAMMA_200CD; - break; - case 210 ... 219: - backlightlevel = GAMMA_210CD; - break; - case 220 ... 229: - backlightlevel = GAMMA_220CD; - break; - case 230 ... 239: - backlightlevel = GAMMA_230CD; - break; - case 240 ... 249: - backlightlevel = GAMMA_240CD; - break; - case 250 ... 254: - backlightlevel = GAMMA_250CD; - break; - case 255: - backlightlevel = GAMMA_300CD; - break; - default: - backlightlevel = DEFAULT_GAMMA_LEVEL; - break; - } - return backlightlevel; -} - -static int s6e8ax0_aid_parameter_ctl(struct lcd_info *lcd , u8 force) -{ - if (likely(lcd->support_aid)) { - if ((lcd->f8[lcd->bl][0x12] != lcd->f8[lcd->current_bl][0x12]) || - (lcd->f8[lcd->bl][0x01] != lcd->f8[lcd->current_bl][0x01]) || (force)) - s6e8ax0_write(lcd, lcd->f8[lcd->bl], AID_PARAM_SIZE); - } - - return 0; -} -#else -static int get_backlight_level_from_brightness(int brightness) -{ - int backlightlevel; - - /* brightness setting from platform is from 0 to 255 - * But in this driver, brightness is only supported from 0 to 24 */ - - switch (brightness) { - case 0 ... 29: - backlightlevel = GAMMA_30CD; - break; - case 30 ... 254: - backlightlevel = (brightness - candela_table[0]) / 10; - break; - case 255: - backlightlevel = ARRAY_SIZE(candela_table) - 1; - break; - default: - backlightlevel = DEFAULT_GAMMA_LEVEL; - break; - } - return backlightlevel; -} -#endif - -static int s6e8ax0_gamma_ctl(struct lcd_info *lcd) -{ - s6e8ax0_write(lcd, lcd->gamma_table[lcd->bl], GAMMA_PARAM_SIZE); - - /* Gamma Set Update */ - s6e8ax0_write(lcd, SEQ_GAMMA_UPDATE, ARRAY_SIZE(SEQ_GAMMA_UPDATE)); - - return 0; -} - -#if defined(CONFIG_S6E8AA0_AMS529HA01) -static int s6e8ax0_set_acl(struct lcd_info *lcd) -{ - int ret = 0; - - if (lcd->acl_enable) { - if (lcd->cur_acl == 0) { - if (lcd->bl == 0 || lcd->bl == 1) { - s6e8ax0_write(lcd, SEQ_ACL_OFF, ARRAY_SIZE(SEQ_ACL_OFF)); - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d, acl_off\n", __func__, lcd->cur_acl); - } else { - s6e8ax0_write(lcd, SEQ_ACL_ON, ARRAY_SIZE(SEQ_ACL_ON)); - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d, acl_on\n", __func__, lcd->cur_acl); - } - } - switch (lcd->bl) { - case GAMMA_30CD... GAMMA_40CD: - if (lcd->cur_acl != 0) { - s6e8ax0_write(lcd, SEQ_ACL_OFF, ARRAY_SIZE(SEQ_ACL_OFF)); - lcd->cur_acl = 0; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case GAMMA_50CD: - if (lcd->cur_acl != 200) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_20P], ACL_PARAM_SIZE); - lcd->cur_acl = 200; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case GAMMA_60CD: - if (lcd->cur_acl != 330) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_33P], ACL_PARAM_SIZE); - lcd->cur_acl = 330; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case GAMMA_70CD: - if (lcd->cur_acl != 430) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_43P], ACL_PARAM_SIZE); - lcd->cur_acl = 430; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case GAMMA_80CD: - if (lcd->cur_acl != 450) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_45P_80CD], ACL_PARAM_SIZE); - lcd->cur_acl = 450; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case GAMMA_90CD ... GAMMA_150CD: - if (lcd->cur_acl != 451) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_45P], ACL_PARAM_SIZE); - lcd->cur_acl = 451; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case GAMMA_160CD: /* 160cd */ - if (lcd->cur_acl != 460) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_46P_160CD], ACL_PARAM_SIZE); - lcd->cur_acl = 460; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case GAMMA_170CD ... GAMMA_250CD: - if (lcd->cur_acl != 461) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_46P], ACL_PARAM_SIZE); - lcd->cur_acl = 461; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - default: - if (lcd->cur_acl != 550) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_50P], ACL_PARAM_SIZE); - lcd->cur_acl = 550; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - } - } else { - s6e8ax0_write(lcd, SEQ_ACL_OFF, ARRAY_SIZE(SEQ_ACL_OFF)); - lcd->cur_acl = 0; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d, acl_off\n", __func__, lcd->cur_acl); - } - - if (ret) { - ret = -EPERM; - goto acl_err; - } - -acl_err: - return ret; -} -#else -static int s6e8ax0_set_acl(struct lcd_info *lcd) -{ - if (lcd->acl_enable) { - if (lcd->cur_acl == 0) { - if (lcd->bl == 0) { - s6e8ax0_write(lcd, SEQ_ACL_OFF, ARRAY_SIZE(SEQ_ACL_OFF)); - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d, acl_off\n", __func__, lcd->cur_acl); - } else { - s6e8ax0_write(lcd, SEQ_ACL_ON, ARRAY_SIZE(SEQ_ACL_ON)); - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d, acl_on\n", __func__, lcd->cur_acl); - } - } - switch (lcd->bl) { - case 0: - if (lcd->cur_acl != 0) { - s6e8ax0_write(lcd, SEQ_ACL_OFF, ARRAY_SIZE(SEQ_ACL_OFF)); - lcd->cur_acl = 0; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case 1: - if (lcd->cur_acl != 33) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_33P], ACL_PARAM_SIZE); - lcd->cur_acl = 33; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - case 2 ... GAMMA_250CD: - if (lcd->cur_acl != 40) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_40P], ACL_PARAM_SIZE); - lcd->cur_acl = 40; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - default: - if (lcd->cur_acl != 50) { - s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[ACL_STATUS_50P], ACL_PARAM_SIZE); - lcd->cur_acl = 50; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d\n", __func__, lcd->cur_acl); - } - break; - } - } else { - s6e8ax0_write(lcd, SEQ_ACL_OFF, ARRAY_SIZE(SEQ_ACL_OFF)); - lcd->cur_acl = 0; - dev_dbg(&lcd->ld->dev, "%s : cur_acl=%d, acl_off\n", __func__, lcd->cur_acl); - } - - return 0; -} -#endif - -#ifdef SMART_DIMMING -#ifdef CONFIG_AID_DIMMING -static int s6e8ax0_set_elvss(struct lcd_info *lcd, u8 force) -{ - int ret = 0, elvss_level = 0; - u32 candela = candela_table[lcd->bl]; - - switch (candela) { - case 0 ... 110: - elvss_level = ELVSS_110; - break; - case 111 ... 120: - elvss_level = ELVSS_120; - break; - case 121 ... 130: - elvss_level = ELVSS_130; - break; - case 131 ... 140: - elvss_level = ELVSS_140; - break; - case 141 ... 150: - elvss_level = ELVSS_150; - break; - case 151 ... 160: - elvss_level = ELVSS_160; - break; - case 161 ... 170: - elvss_level = ELVSS_170; - break; - case 171 ... 180: - elvss_level = ELVSS_180; - break; - case 181 ... 190: - elvss_level = ELVSS_190; - break; - case 191 ... 200: - elvss_level = ELVSS_200; - break; - case 201 ... 210: - elvss_level = ELVSS_210; - break; - case 211 ... 220: - elvss_level = ELVSS_220; - break; - case 221 ... 230: - elvss_level = ELVSS_230; - break; - case 231 ... 240: - elvss_level = ELVSS_240; - break; - case 241 ... 250: - elvss_level = ELVSS_250; - break; - case 251 ... 260: - elvss_level = ELVSS_260; - break; - case 261 ... 270: - elvss_level = ELVSS_270; - break; - case 271 ... 280: - elvss_level = ELVSS_280; - break; - case 281 ... 290: - elvss_level = ELVSS_290; - break; - case 291 ... 300: - elvss_level = ELVSS_300; - break; - } - - if ((lcd->current_elvss != lcd->elvss_table[elvss_level][2]) || force) { - ret = s6e8ax0_write(lcd, lcd->elvss_table[elvss_level], ELVSS_PARAM_SIZE); - lcd->current_elvss = lcd->elvss_table[elvss_level][2]; - } - - dev_dbg(&lcd->ld->dev, "elvss = %x\n", lcd->elvss_table[elvss_level][2]); - - if (ret) { - ret = -EPERM; - goto elvss_err; - } - -elvss_err: - return ret; -} -#else -static int s6e8ax0_set_elvss(struct lcd_info *lcd, u8 force) -{ - int ret = 0, elvss_level = 0; - u32 candela = candela_table[lcd->bl]; - - switch (candela) { - case 0 ... 100: - elvss_level = ELVSS_MIN; - break; - case 101 ... 160: - elvss_level = ELVSS_1; - break; - case 161 ... 200: - elvss_level = ELVSS_2; - break; - case 201 ... 300: - elvss_level = ELVSS_MAX; - break; - default: - break; - } - - if ((lcd->current_elvss != lcd->elvss_table[elvss_level][2]) || force) { - ret = s6e8ax0_write(lcd, lcd->elvss_table[elvss_level], ELVSS_PARAM_SIZE); - lcd->current_elvss = lcd->elvss_table[elvss_level][2]; - } - - dev_dbg(&lcd->ld->dev, "elvss = %x\n", lcd->elvss_table[elvss_level][2]); - - if (ret) { - ret = -EPERM; - goto elvss_err; - } - -elvss_err: - return ret; -} -#endif -static u8 get_elvss_value(struct lcd_info *lcd, u8 elvss_level) -{ - u8 ref = 0; - u8 offset; - - if (lcd->elvss.limit == 0x00) - ref = (lcd->elvss.reference | 0x80); - else if (lcd->elvss.limit == 0x01) - ref = (lcd->elvss.reference + 0x40); - else { - printk(KERN_ERR "[ERROR:ELVSS]:%s undefined elvss limit value :%x\n", __func__, lcd->elvss.limit); - return 0; - } - - offset = elvss_offset_table[elvss_level]; - ref += offset; - - if (ref < DYNAMIC_ELVSS_MIN_VALUE) - ref = DYNAMIC_ELVSS_MIN_VALUE; - else if (ref > DYNAMIC_ELVSS_MAX_VALUE) - ref = DYNAMIC_ELVSS_MAX_VALUE; - - return ref; -} - -static int init_elvss_table(struct lcd_info *lcd) -{ - int i, ret = 0; -#ifdef SMART_DIMMING_DEBUG - int j; -#endif - - lcd->elvss_table = kzalloc(ELVSS_STATUS_MAX * sizeof(u8 *), GFP_KERNEL); - - if (IS_ERR_OR_NULL(lcd->elvss_table)) { - pr_err("failed to allocate elvss table\n"); - ret = -ENOMEM; - goto err_alloc_elvss_table; - } - - for (i = 0; i < ELVSS_STATUS_MAX; i++) { - lcd->elvss_table[i] = kzalloc(ELVSS_PARAM_SIZE * sizeof(u8), GFP_KERNEL); - if (IS_ERR_OR_NULL(lcd->elvss_table[i])) { - pr_err("failed to allocate elvss\n"); - ret = -ENOMEM; - goto err_alloc_elvss; - } - lcd->elvss_table[i][0] = 0xB1; - lcd->elvss_table[i][1] = 0x04; - lcd->elvss_table[i][2] = get_elvss_value(lcd, i); - } - -#ifdef SMART_DIMMING_DEBUG - for (i = 0; i < ELVSS_STATUS_MAX; i++) { - for (j = 0; j < ELVSS_PARAM_SIZE; j++) - printk("0x%02x, ", lcd->elvss_table[i][j]); - printk("\n"); - } -#endif - - return 0; - -err_alloc_elvss: - while (i > 0) { - kfree(lcd->elvss_table[i-1]); - i--; - } - kfree(lcd->elvss_table); -err_alloc_elvss_table: - return ret; -} - -#ifdef CONFIG_AID_DIMMING -static int init_gamma_table(struct lcd_info *lcd) -{ - int i, ret = 0; - - lcd->gamma_table = kzalloc(GAMMA_MAX * sizeof(u8 *), GFP_KERNEL); - if (IS_ERR_OR_NULL(lcd->gamma_table)) { - pr_err("failed to allocate gamma table\n"); - ret = -ENOMEM; - goto err_alloc_gamma_table; - } - - for (i = 0; i < GAMMA_MAX; i++) { - lcd->gamma_table[i] = kzalloc(GAMMA_PARAM_SIZE * sizeof(u8), GFP_KERNEL); - if (IS_ERR_OR_NULL(lcd->gamma_table[i])) { - pr_err("failed to allocate gamma\n"); - ret = -ENOMEM; - goto err_alloc_gamma; - } - lcd->gamma_table[i][0] = 0xFA; - lcd->gamma_table[i][1] = 0x01; - } - - for (i = 0; i < GAMMA_MAX; i++) { - if (candela_table[i] <= 180) - calc_gamma_table(&lcd->smart, aid_candela_table[i], &lcd->gamma_table[i][2], G_21); - else if (candela_table[i] > 250) - calc_gamma_table(&lcd->smart, aid_candela_table[i], &lcd->gamma_table[i][2], G_22); - else if (candela_table[i] == 190) - calc_gamma_table_215_190(&lcd->smart, aid_candela_table[i], &lcd->gamma_table[i][2]); - else - calc_gamma_table(&lcd->smart, aid_candela_table[i], &lcd->gamma_table[i][2], G_215); - } - -#ifdef SMART_DIMMING_DEBUG - for (i = 0; i < GAMMA_MAX; i++) { - for (j = 0; j < GAMMA_PARAM_SIZE; j++) - printk("%d, ", lcd->gamma_table[i][j]); - printk("\n"); - } -#endif - return 0; - -err_alloc_gamma: - while (i > 0) { - kfree(lcd->gamma_table[i-1]); - i--; - } - kfree(lcd->gamma_table); -err_alloc_gamma_table: - return ret; -} - -static int init_aid_dimming_table(struct lcd_info *lcd) -{ - unsigned int i, j; - - for (i = 0; i < ARRAY_SIZE(aid_rgb_fix_table); i++) { - j = (aid_rgb_fix_table[i].gray * 3 + aid_rgb_fix_table[i].rgb) + 2; - lcd->gamma_table[aid_rgb_fix_table[i].candela_idx][j] += aid_rgb_fix_table[i].offset; - } - - for (i = 0; i < GAMMA_MAX; i++) { - memcpy(lcd->f8[i], SEQ_PANEL_CONDITION_SET_500MBPS, AID_PARAM_SIZE); - lcd->f8[i][0x12] = aid_command_table[i][0]; - lcd->f8[i][0x01] = aid_command_table[i][1]; - } - - -#ifdef SMART_DIMMING_DEBUG - for (i = 0; i < GAMMA_MAX; i++) { - for (j = 0; j < GAMMA_PARAM_SIZE; j++) - printk("%d, ", lcd->gamma_table[i][j]); - printk("\n"); - } -#endif - return 0; -} -#else -static int init_gamma_table(struct lcd_info *lcd) -{ - int i, ret = 0; - - lcd->gamma_table = kzalloc(GAMMA_MAX * sizeof(u8 *), GFP_KERNEL); - if (IS_ERR_OR_NULL(lcd->gamma_table)) { - pr_err("failed to allocate gamma table\n"); - ret = -ENOMEM; - goto err_alloc_gamma_table; - } - - for (i = 0; i < GAMMA_MAX; i++) { - lcd->gamma_table[i] = kzalloc(GAMMA_PARAM_SIZE * sizeof(u8), GFP_KERNEL); - if (IS_ERR_OR_NULL(lcd->gamma_table[i])) { - pr_err("failed to allocate gamma\n"); - ret = -ENOMEM; - goto err_alloc_gamma; - } - lcd->gamma_table[i][0] = 0xFA; - lcd->gamma_table[i][1] = 0x01; - calc_gamma_table(&lcd->smart, candela_table[i]-1, lcd->gamma_table[i]+2); - } - -#ifdef SMART_DIMMING_DEBUG - for (i = 0; i < GAMMA_MAX; i++) { - for (j = 0; j < GAMMA_PARAM_SIZE; j++) - printk("0x%02x, ", lcd->gamma_table[i][j]); - printk("\n"); - } -#endif - return 0; - -err_alloc_gamma: - while (i > 0) { - kfree(lcd->gamma_table[i-1]); - i--; - } - kfree(lcd->gamma_table); -err_alloc_gamma_table: - return ret; -} -#endif -#endif - -static int update_brightness(struct lcd_info *lcd, u8 force) -{ - u32 brightness; - - mutex_lock(&lcd->bl_lock); - - brightness = lcd->bd->props.brightness; - - if (unlikely(!lcd->auto_brightness && brightness > 250)) - brightness = 250; - - lcd->bl = get_backlight_level_from_brightness(brightness); - - if ((force) || ((lcd->ldi_enable) && (lcd->current_bl != lcd->bl))) { - -#ifdef CONFIG_AID_DIMMING - if ((force) || unlikely(aid_candela_table[lcd->bl] != aid_candela_table[lcd->current_bl])) -#endif - s6e8ax0_gamma_ctl(lcd); - -#ifdef CONFIG_AID_DIMMING - s6e8ax0_aid_parameter_ctl(lcd , force); -#endif - s6e8ax0_set_acl(lcd); - - s6e8ax0_set_elvss(lcd, force); - - lcd->current_bl = lcd->bl; - - dev_info(&lcd->ld->dev, "brightness=%d, bl=%d, candela=%d\n", brightness, lcd->bl, candela_table[lcd->bl]); - } - - mutex_unlock(&lcd->bl_lock); - - return 0; -} - -static int s6e8ax0_ldi_init(struct lcd_info *lcd) -{ - int ret = 0; - -#if defined(CONFIG_S6E8AA0_AMS529HA01) - s6e8ax0_write(lcd, SEQ_APPLY_LEVEL_2_KEY, ARRAY_SIZE(SEQ_APPLY_LEVEL_2_KEY)); - s6e8ax0_write(lcd, SEQ_LTPS_DELAY, ARRAY_SIZE(SEQ_LTPS_DELAY)); - s6e8ax0_write(lcd, SEQ_SLEEP_OUT, ARRAY_SIZE(SEQ_SLEEP_OUT)); - msleep(22); - s6e8ax0_write(lcd, SEQ_PANEL_CONDITION_SET, ARRAY_SIZE(SEQ_PANEL_CONDITION_SET)); - s6e8ax0_write(lcd, SEQ_DISPLAY_CONDITION_SET, ARRAY_SIZE(SEQ_DISPLAY_CONDITION_SET)); - s6e8ax0_gamma_ctl(lcd); - s6e8ax0_write(lcd, SEQ_ETC_SOURCE_CONTROL, ARRAY_SIZE(SEQ_ETC_SOURCE_CONTROL)); - s6e8ax0_write(lcd, SEQ_ETC_PENTILE_CONTROL, ARRAY_SIZE(SEQ_ETC_PENTILE_CONTROL)); - s6e8ax0_write(lcd, SEQ_ETC_POWER_CONTROL, ARRAY_SIZE(SEQ_ETC_POWER_CONTROL)); - s6e8ax0_write(lcd, SEQ_ELVSS_NVM_SETTING, ARRAY_SIZE(SEQ_ELVSS_NVM_SETTING)); - s6e8ax0_write(lcd, SEQ_ELVSS_CONTROL, ARRAY_SIZE(SEQ_ELVSS_CONTROL)); -#else - s6e8ax0_write(lcd, SEQ_APPLY_LEVEL_2, ARRAY_SIZE(SEQ_APPLY_LEVEL_2)); - s6e8ax0_write(lcd, SEQ_APPLY_MTP_KEY_ENABLE, ARRAY_SIZE(SEQ_APPLY_MTP_KEY_ENABLE)); - s6e8ax0_write(lcd, SEQ_SLEEP_OUT, ARRAY_SIZE(SEQ_SLEEP_OUT)); - msleep(22); - - /* 4.8" HD for M0/C1*/ - if (lcd->id[1] == 0x20 || lcd->id[1] == 0x40 || lcd->id[1] == 0x60) { - s6e8ax0_write(lcd, SEQ_PANEL_CONDITION_SET_500MBPS,\ - ARRAY_SIZE(SEQ_PANEL_CONDITION_SET_500MBPS)); - s6e8ax0_write(lcd, SEQ_DISPLAY_CONDITION_SET, ARRAY_SIZE(SEQ_DISPLAY_CONDITION_SET)); - s6e8ax0_gamma_ctl(lcd); - s6e8ax0_write(lcd, SEQ_ETC_SOURCE_CONTROL, ARRAY_SIZE(SEQ_ETC_SOURCE_CONTROL)); - s6e8ax0_write(lcd, SEQ_ETC_PENTILE_CONTROL, ARRAY_SIZE(SEQ_ETC_PENTILE_CONTROL)); - s6e8ax0_write(lcd, SEQ_ETC_NVM_SETTING, ARRAY_SIZE(SEQ_ETC_NVM_SETTING)); - s6e8ax0_write(lcd, SEQ_ETC_POWER_CONTROL, ARRAY_SIZE(SEQ_ETC_POWER_CONTROL)); - } else if (lcd->id[1] == 0xae) { - s6e8ax0_write(lcd, SEQ_PANEL_CONDITION_SET_480MBPS_46, ARRAY_SIZE(SEQ_PANEL_CONDITION_SET_480MBPS_46)); - s6e8ax0_write(lcd, SEQ_DISPLAY_CONDITION_SET, ARRAY_SIZE(SEQ_DISPLAY_CONDITION_SET)); - s6e8ax0_gamma_ctl(lcd); - s6e8ax0_write(lcd, SEQ_ETC_SOURCE_CONTROL, ARRAY_SIZE(SEQ_ETC_SOURCE_CONTROL)); - s6e8ax0_write(lcd, SEQ_ETC_PENTILE_CONTROL_46, ARRAY_SIZE(SEQ_ETC_PENTILE_CONTROL_46)); - s6e8ax0_write(lcd, SEQ_ETC_NVM_SETTING_46, ARRAY_SIZE(SEQ_ETC_NVM_SETTING_46)); - s6e8ax0_write(lcd, SEQ_ETC_POWER_CONTROL_46, ARRAY_SIZE(SEQ_ETC_POWER_CONTROL_46)); - } else { - s6e8ax0_write(lcd, SEQ_PANEL_CONDITION_SET_500MBPS_46, ARRAY_SIZE(SEQ_PANEL_CONDITION_SET_500MBPS_46)); - s6e8ax0_write(lcd, SEQ_DISPLAY_CONDITION_SET, ARRAY_SIZE(SEQ_DISPLAY_CONDITION_SET)); - s6e8ax0_gamma_ctl(lcd); - s6e8ax0_write(lcd, SEQ_ETC_SOURCE_CONTROL, ARRAY_SIZE(SEQ_ETC_SOURCE_CONTROL)); - s6e8ax0_write(lcd, SEQ_ETC_PENTILE_CONTROL_46, ARRAY_SIZE(SEQ_ETC_PENTILE_CONTROL_46)); - s6e8ax0_write(lcd, SEQ_ETC_NVM_SETTING_46, ARRAY_SIZE(SEQ_ETC_NVM_SETTING_46)); - s6e8ax0_write(lcd, SEQ_ETC_POWER_CONTROL_46, ARRAY_SIZE(SEQ_ETC_POWER_CONTROL_46)); - } - - s6e8ax0_write(lcd, SEQ_ELVSS_CONTROL, ARRAY_SIZE(SEQ_ELVSS_CONTROL)); -#endif - - return ret; -} - -static int s6e8ax0_ldi_enable(struct lcd_info *lcd) -{ - int ret = 0; - - s6e8ax0_write(lcd, SEQ_DISPLAY_ON, ARRAY_SIZE(SEQ_DISPLAY_ON)); - - return ret; -} - -static int s6e8ax0_ldi_disable(struct lcd_info *lcd) -{ - int ret = 0; - - s6e8ax0_write(lcd, SEQ_DISPLAY_OFF, ARRAY_SIZE(SEQ_DISPLAY_OFF)); - s6e8ax0_write(lcd, SEQ_STANDBY_ON, ARRAY_SIZE(SEQ_STANDBY_ON)); - - return ret; -} - -static int s6e8ax0_power_on(struct lcd_info *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - pd = lcd->lcd_pd; - - dev_info(&lcd->ld->dev, "%s\n", __func__); - - ret = s6e8ax0_ldi_init(lcd); - if (ret) { - dev_err(&lcd->ld->dev, "failed to initialize ldi.\n"); - goto err; - } - - msleep(120); - - ret = s6e8ax0_ldi_enable(lcd); - if (ret) { - dev_err(&lcd->ld->dev, "failed to enable ldi.\n"); - goto err; - } - - lcd->ldi_enable = 1; - - update_brightness(lcd, 1); -err: - return ret; -} - -static int s6e8ax0_power_off(struct lcd_info *lcd) -{ - int ret = 0; - - dev_info(&lcd->ld->dev, "%s\n", __func__); - - lcd->ldi_enable = 0; - - ret = s6e8ax0_ldi_disable(lcd); - - msleep(135); - - return ret; -} - -static int s6e8ax0_power(struct lcd_info *lcd, int power) -{ - int ret = 0; - - if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) - ret = s6e8ax0_power_on(lcd); - else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) - ret = s6e8ax0_power_off(lcd); - - if (!ret) - lcd->power = power; - - return ret; -} - -static int s6e8ax0_set_power(struct lcd_device *ld, int power) -{ - struct lcd_info *lcd = lcd_get_data(ld); - - 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; - } - - return s6e8ax0_power(lcd, power); -} - -static int s6e8ax0_get_power(struct lcd_device *ld) -{ - struct lcd_info *lcd = lcd_get_data(ld); - - return lcd->power; -} - -static int s6e8ax0_check_fb(struct lcd_device *ld, struct fb_info *fb) -{ - struct s3cfb_window *win = fb->par; - struct lcd_info *lcd = lcd_get_data(ld); - - /* dev_info(&lcd->ld->dev, "%s, fb%d\n", __func__, win->id); */ - - return 0; -} - -static int s6e8ax0_set_brightness(struct backlight_device *bd) -{ - int ret = 0; - int brightness = bd->props.brightness; - struct lcd_info *lcd = bl_get_data(bd); - - /* dev_info(&lcd->ld->dev, "%s: brightness=%d\n", __func__, brightness); */ - - if (brightness < MIN_BRIGHTNESS || - brightness > bd->props.max_brightness) { - dev_err(&bd->dev, "lcd brightness should be %d to %d. now %d\n", - MIN_BRIGHTNESS, MAX_BRIGHTNESS, brightness); - return -EINVAL; - } - - if (lcd->ldi_enable) { - ret = update_brightness(lcd, 0); - if (ret < 0) { - dev_err(lcd->dev, "err in %s\n", __func__); - return -EINVAL; - } - } - - return ret; -} - -static int s6e8ax0_get_brightness(struct backlight_device *bd) -{ - struct lcd_info *lcd = bl_get_data(bd); - - return candela_table[lcd->bl]; -} - -static struct lcd_ops s6e8ax0_lcd_ops = { - .set_power = s6e8ax0_set_power, - .get_power = s6e8ax0_get_power, - .check_fb = s6e8ax0_check_fb, -}; - -static const struct backlight_ops s6e8ax0_backlight_ops = { - .get_brightness = s6e8ax0_get_brightness, - .update_status = s6e8ax0_set_brightness, -}; - -static ssize_t power_reduce_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct lcd_info *lcd = dev_get_drvdata(dev); - char temp[3]; - - sprintf(temp, "%d\n", lcd->acl_enable); - strcpy(buf, temp); - - return strlen(buf); -} - -static ssize_t power_reduce_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t size) -{ - struct lcd_info *lcd = dev_get_drvdata(dev); - int value; - int rc; - - rc = strict_strtoul(buf, (unsigned int)0, (unsigned long *)&value); - if (rc < 0) - return rc; - else { - if (lcd->acl_enable != value) { - dev_info(dev, "%s - %d, %d\n", __func__, lcd->acl_enable, value); - mutex_lock(&lcd->bl_lock); - lcd->acl_enable = value; - if (lcd->ldi_enable) - s6e8ax0_set_acl(lcd); - mutex_unlock(&lcd->bl_lock); - } - } - return size; -} - -static DEVICE_ATTR(power_reduce, 0664, power_reduce_show, power_reduce_store); - -static ssize_t lcd_type_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - char temp[15]; -#if defined(CONFIG_S6E8AA0_AMS529HA01) - sprintf(temp, "SMD_AMS529HA01\n"); -#else - sprintf(temp, "SMD_AMS480GYXX\n"); -#endif - strcat(buf, temp); - return strlen(buf); -} - -static DEVICE_ATTR(lcd_type, 0444, lcd_type_show, NULL); - -static ssize_t gamma_table_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct lcd_info *lcd = dev_get_drvdata(dev); - int i, j; - - for (i = 0; i < GAMMA_MAX; i++) { - for (j = 0; j < GAMMA_PARAM_SIZE; j++) - printk("0x%02x, ", lcd->gamma_table[i][j]); - printk("\n"); - } - - for (i = 0; i < ELVSS_STATUS_MAX; i++) { - for (j = 0; j < ELVSS_PARAM_SIZE; j++) - printk("0x%02x, ", lcd->elvss_table[i][j]); - printk("\n"); - } - - return strlen(buf); -} -static DEVICE_ATTR(gamma_table, 0444, gamma_table_show, NULL); - -static ssize_t auto_brightness_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct lcd_info *lcd = dev_get_drvdata(dev); - char temp[3]; - - sprintf(temp, "%d\n", lcd->auto_brightness); - strcpy(buf, temp); - - return strlen(buf); -} - -static ssize_t auto_brightness_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t size) -{ - struct lcd_info *lcd = dev_get_drvdata(dev); - int value; - int rc; - - rc = strict_strtoul(buf, (unsigned int)0, (unsigned long *)&value); - if (rc < 0) - return rc; - else { - if (lcd->auto_brightness != value) { - dev_info(dev, "%s - %d, %d\n", __func__, lcd->auto_brightness, value); - mutex_lock(&lcd->bl_lock); - lcd->auto_brightness = value; - mutex_unlock(&lcd->bl_lock); - if (lcd->ldi_enable) - update_brightness(lcd, 0); - } - } - return size; -} - -static DEVICE_ATTR(auto_brightness, 0644, auto_brightness_show, auto_brightness_store); - -#ifdef CONFIG_HAS_EARLYSUSPEND -struct lcd_info *g_lcd; - -void s6e8ax0_early_suspend(void) -{ - struct lcd_info *lcd = g_lcd; - - set_dsim_lcd_enabled(0); - - dev_info(&lcd->ld->dev, "+%s\n", __func__); -#if defined(GPIO_OLED_DET) - disable_irq(lcd->irq); - gpio_request(GPIO_OLED_DET, "OLED_DET"); - s3c_gpio_cfgpin(GPIO_OLED_DET, S3C_GPIO_OUTPUT); - s3c_gpio_setpull(GPIO_OLED_DET, S3C_GPIO_PULL_NONE); - gpio_direction_output(GPIO_OLED_DET, GPIO_LEVEL_LOW); - gpio_free(GPIO_OLED_DET); -#endif - s6e8ax0_power(lcd, FB_BLANK_POWERDOWN); - dev_info(&lcd->ld->dev, "-%s\n", __func__); - - return ; -} - -void s6e8ax0_late_resume(void) -{ - struct lcd_info *lcd = g_lcd; - - dev_info(&lcd->ld->dev, "+%s\n", __func__); - s6e8ax0_power(lcd, FB_BLANK_UNBLANK); -#if defined(GPIO_OLED_DET) - s3c_gpio_cfgpin(GPIO_OLED_DET, S3C_GPIO_SFN(0xf)); - s3c_gpio_setpull(GPIO_OLED_DET, S3C_GPIO_PULL_NONE); - enable_irq(lcd->irq); -#endif - dev_info(&lcd->ld->dev, "-%s\n", __func__); - - set_dsim_lcd_enabled(1); - - return ; -} -#endif - -static void s6e8ax0_read_id(struct lcd_info *lcd, u8 *buf) -{ - int ret = 0; - - ret = s6e8ax0_read(lcd, LDI_ID_REG, LDI_ID_LEN, buf, 3); - if (!ret) { - lcd->connected = 0; - dev_info(&lcd->ld->dev, "panel is not connected well\n"); - } -} - -#ifdef SMART_DIMMING -static int s6e8ax0_read_mtp(struct lcd_info *lcd, u8 *mtp_data) -{ - int ret; - - ret = s6e8ax0_read(lcd, LDI_MTP_ADDR, LDI_MTP_LENGTH, mtp_data, 0); - - return ret; -} - -#if defined(CONFIG_S6E8AA0_AMS529HA01) -static void s6e8aa0_check_id(struct lcd_info *lcd, u8 *idbuf) -{ - u32 i; - - for (i = 0; i < LDI_ID_LEN; i++) - lcd->smart.panelid[i] = idbuf[i]; - - if (idbuf[2] == 0x33) - lcd->support_elvss = 0; - else { - lcd->support_elvss = 1; - lcd->elvss.limit = (idbuf[2] & 0xc0) >> 6; - lcd->elvss.reference = idbuf[2] & 0x3f; - printk(KERN_DEBUG "Dynamic ELVSS Information, 0x%x\n", lcd->elvss.reference); - } -} -#else -static void s6e8aa0_check_id(struct lcd_info *lcd, u8 *idbuf) -{ - int i; - - for (i = 0; i < LDI_ID_LEN; i++) - lcd->smart.panelid[i] = idbuf[i]; - - if (idbuf[0] == PANEL_A1_M3) - lcd->support_elvss = 0; - else { - lcd->support_elvss = 1; - lcd->elvss.reference = idbuf[2] & (BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4)); - printk(KERN_DEBUG "Dynamic ELVSS Information, 0x%x\n", lcd->elvss.reference); - } -} -#endif -#endif - -static int s6e8ax0_probe(struct device *dev) -{ - int ret = 0; - struct lcd_info *lcd; -#ifdef SMART_DIMMING - u8 mtp_data[LDI_MTP_LENGTH] = {0,}; -#endif - - lcd = kzalloc(sizeof(struct lcd_info), GFP_KERNEL); - if (!lcd) { - pr_err("failed to allocate for lcd\n"); - ret = -ENOMEM; - goto err_alloc; - } - - g_lcd = lcd; - - lcd->ld = lcd_device_register("panel", dev, lcd, &s6e8ax0_lcd_ops); - if (IS_ERR(lcd->ld)) { - pr_err("failed to register lcd device\n"); - ret = PTR_ERR(lcd->ld); - goto out_free_lcd; - } - - lcd->bd = backlight_device_register("panel", dev, lcd, &s6e8ax0_backlight_ops, NULL); - if (IS_ERR(lcd->bd)) { - pr_err("failed to register backlight device\n"); - ret = PTR_ERR(lcd->bd); - goto out_free_backlight; - } - - lcd->dev = dev; - lcd->dsim = (struct dsim_global *)dev_get_drvdata(dev->parent); - lcd->bd->props.max_brightness = MAX_BRIGHTNESS; - lcd->bd->props.brightness = DEFAULT_BRIGHTNESS; - lcd->bl = DEFAULT_GAMMA_LEVEL; - lcd->current_bl = lcd->bl; - - lcd->acl_enable = 0; - lcd->cur_acl = 0; - - lcd->power = FB_BLANK_UNBLANK; - lcd->ldi_enable = 1; - lcd->connected = 1; - lcd->auto_brightness = 0; - - ret = device_create_file(&lcd->ld->dev, &dev_attr_power_reduce); - if (ret < 0) - dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__); - - ret = device_create_file(&lcd->ld->dev, &dev_attr_lcd_type); - if (ret < 0) - dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__); - - ret = device_create_file(&lcd->ld->dev, &dev_attr_gamma_table); - if (ret < 0) - dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__); - - ret = device_create_file(&lcd->bd->dev, &dev_attr_auto_brightness); - if (ret < 0) - dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__); - - dev_set_drvdata(dev, lcd); - - mutex_init(&lcd->lock); - mutex_init(&lcd->bl_lock); - - s6e8ax0_read_id(lcd, lcd->id); - - dev_info(&lcd->ld->dev, "ID: %x, %x, %x\n", lcd->id[0], lcd->id[1], lcd->id[2]); - - dev_info(&lcd->ld->dev, "s6e8aa0 lcd panel driver has been probed.\n"); - -#ifdef SMART_DIMMING - s6e8aa0_check_id(lcd, lcd->id); - - init_table_info(&lcd->smart); - - ret = s6e8ax0_read_mtp(lcd, mtp_data); - if (!ret) { - printk(KERN_ERR "[LCD:ERROR] : %s read mtp failed\n", __func__); - /*return -EPERM;*/ - } - - calc_voltage_table(&lcd->smart, mtp_data); - - if (lcd->support_elvss) - ret = init_elvss_table(lcd); - else { - lcd->elvss_table = (unsigned char **)ELVSS_TABLE; - ret = 0; - } - - ret += init_gamma_table(lcd); - -#ifdef CONFIG_AID_DIMMING - if (lcd->id[1] == 0x20 || lcd->id[1] == 0x40 || lcd->id[1] == 0x60) { - printk(KERN_INFO "AID Dimming is started. %d\n", lcd->id[1]); - lcd->support_aid = 1; - ret += init_aid_dimming_table(lcd); - } -#endif - - if (ret) { - printk(KERN_ERR "gamma table generation is failed\n"); - lcd->gamma_table = (unsigned char **)gamma22_table; - lcd->elvss_table = (unsigned char **)ELVSS_TABLE; - } - - update_brightness(lcd, 1); -#endif - -#if defined(GPIO_OLED_DET) - if (lcd->connected) { - INIT_DELAYED_WORK(&lcd->oled_detection, oled_detection_work); - - lcd->irq = gpio_to_irq(GPIO_OLED_DET); - - s3c_gpio_cfgpin(GPIO_OLED_DET, S3C_GPIO_SFN(0xf)); - s3c_gpio_setpull(GPIO_OLED_DET, S3C_GPIO_PULL_NONE); - if (request_irq(lcd->irq, oled_detection_int, - IRQF_TRIGGER_FALLING, "oled_detection", lcd)) - pr_err("failed to reqeust irq. %d\n", lcd->irq); - } -#endif - return 0; - -out_free_backlight: - lcd_device_unregister(lcd->ld); - kfree(lcd); - return ret; - -out_free_lcd: - kfree(lcd); - return ret; - -err_alloc: - return ret; -} - -static int __devexit s6e8ax0_remove(struct device *dev) -{ - struct lcd_info *lcd = dev_get_drvdata(dev); - - s6e8ax0_power(lcd, FB_BLANK_POWERDOWN); - lcd_device_unregister(lcd->ld); - backlight_device_unregister(lcd->bd); - kfree(lcd); - - return 0; -} - -/* Power down all displays on reboot, poweroff or halt. */ -static void s6e8ax0_shutdown(struct device *dev) -{ - struct lcd_info *lcd = dev_get_drvdata(dev); - - dev_info(&lcd->ld->dev, "%s\n", __func__); - - s6e8ax0_power(lcd, FB_BLANK_POWERDOWN); -} - -static struct mipi_lcd_driver s6e8ax0_mipi_driver = { - .name = "s6e8aa0", - .probe = s6e8ax0_probe, - .remove = __devexit_p(s6e8ax0_remove), - .shutdown = s6e8ax0_shutdown, -}; - -static int s6e8ax0_init(void) -{ - return s5p_dsim_register_lcd_driver(&s6e8ax0_mipi_driver); -} - -static void s6e8ax0_exit(void) -{ - return; -} - -module_init(s6e8ax0_init); -module_exit(s6e8ax0_exit); - -MODULE_DESCRIPTION("MIPI-DSI S6E8AA0:AMS529HA01 (800x1280) Panel Driver"); -MODULE_LICENSE("GPL"); |