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s3cfb_s6e8aa0.c
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s3cfb_s6e8aa0.c
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/* 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 siop_enable;
unsigned int current_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,
102, 104, 106, 108,
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_102, AOR40_BASE_104, AOR40_BASE_106, AOR40_BASE_108,
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
extern void (*lcd_early_suspend)(void);
extern void (*lcd_late_resume)(void);
#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 ... 101:
backlightlevel = GAMMA_100CD;
break;
case 102 ... 103:
backlightlevel = GAMMA_102CD;
break;
case 104 ... 105:
backlightlevel = GAMMA_104CD;
break;
case 106 ... 107:
backlightlevel = GAMMA_106CD;
break;
case 108 ... 109:
backlightlevel = GAMMA_108CD;
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 ... 299:
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 (unlikely(!lcd->support_aid))
goto exit;
if (force)
goto aid_update;
else if (aid_command_table[lcd->bl][0] != aid_command_table[lcd->current_bl][0])
goto aid_update;
else if (aid_command_table[lcd->bl][1] != aid_command_table[lcd->current_bl][1])
goto aid_update;
else
goto exit;
aid_update:
s6e8ax0_write(lcd, lcd->f8[lcd->bl], AID_PARAM_SIZE);
exit:
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, u8 force)
{
int ret = 0, enable, level;
u32 candela = candela_table[lcd->bl];
switch (candela) {
case 0 ... 49:
level = ACL_STATUS_0P;
break;
case 50 ... 59:
level = ACL_STATUS_20P;
break;
case 60 ... 69:
level = ACL_STATUS_33P;
break;
case 70 ... 79:
level = ACL_STATUS_43P;
break;
case 80 ... 89:
level = ACL_STATUS_45P_80CD;
break;
case 90 ... 159:
level = ACL_STATUS_45P;
break;
case 160 ... 169:
level = ACL_STATUS_46P_160CD;
break;
case 170 ... 250:
level = ACL_STATUS_46P;
break;
default:
level = ACL_STATUS_50P;
break;
}
if (!lcd->acl_enable)
level = ACL_STATUS_0P;
enable = !!level;
//if (force || lcd->acl_enable != enable) {
dev_dbg(&lcd->ld->dev, "acl turn %s\n", enable ? "on" : "off");
if (enable)
ret = s6e8ax0_write(lcd, SEQ_ACL_ON, ARRAY_SIZE(SEQ_ACL_ON));
else {
ret = s6e8ax0_write(lcd, SEQ_ACL_OFF, ARRAY_SIZE(SEQ_ACL_OFF));
goto exit;
}
//}
//if (force || lcd->current_acl != level) {
ret = s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[level], ACL_PARAM_SIZE);
lcd->current_acl = level;
dev_dbg(&lcd->ld->dev, "current_acl = %d\n", lcd->current_acl);
//}
if (ret)
ret = -EPERM;
exit:
return ret;
}
#else
static int s6e8ax0_set_acl(struct lcd_info *lcd, u8 force)
{
int ret = 0, enable, level;
u32 candela = candela_table[lcd->bl];
switch (candela) {
case 0 ... 29:
level = ACL_STATUS_0P;
break;
case 30 ... 39:
level = ACL_STATUS_33P;
break;
default:
level = ACL_STATUS_40P;
break;
}
if (lcd->siop_enable)
goto acl_update;
if (!lcd->acl_enable)
level = ACL_STATUS_0P;
acl_update:
enable = !!level;
//if (force || lcd->acl_enable != enable) {
dev_dbg(&lcd->ld->dev, "acl turn %s\n", enable ? "on" : "off");
if (enable)
ret = s6e8ax0_write(lcd, SEQ_ACL_ON, ARRAY_SIZE(SEQ_ACL_ON));
else {
ret = s6e8ax0_write(lcd, SEQ_ACL_OFF, ARRAY_SIZE(SEQ_ACL_OFF));
goto exit;
}
//}
//if (force || lcd->current_acl != level) {
ret = s6e8ax0_write(lcd, ACL_CUTOFF_TABLE[level], ACL_PARAM_SIZE);
lcd->current_acl = level;
dev_dbg(&lcd->ld->dev, "current_acl = %d\n", lcd->current_acl);
//}
if (ret)
ret = -EPERM;
exit:
return ret;
}
#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 (force || lcd->current_elvss != lcd->elvss_table[elvss_level][2]) {
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 (force || lcd->current_elvss != lcd->elvss_table[elvss_level][2]) {
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++) {
#if defined(CONFIG_LCD_REVERSE)
memcpy(lcd->f8[i], SEQ_REVERSE_PANEL_CONDITION_SET_500MBPS, AID_PARAM_SIZE);
#else
memcpy(lcd->f8[i], SEQ_PANEL_CONDITION_SET_500MBPS, AID_PARAM_SIZE);
#endif
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;
lcd->bl = get_backlight_level_from_brightness(brightness);
if ((force) || ((lcd->ldi_enable) && (lcd->current_bl != lcd->bl))) {
s6e8ax0_gamma_ctl(lcd);
#ifdef CONFIG_AID_DIMMING
s6e8ax0_aid_parameter_ctl(lcd, force);
#endif
s6e8ax0_set_acl(lcd, force);
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) {
#if defined(CONFIG_LCD_REVERSE)
s6e8ax0_write(lcd, SEQ_REVERSE_PANEL_CONDITION_SET_500MBPS,\
ARRAY_SIZE(SEQ_REVERSE_PANEL_CONDITION_SET_500MBPS));
#else
s6e8ax0_write(lcd, SEQ_PANEL_CONDITION_SET_500MBPS,\
ARRAY_SIZE(SEQ_PANEL_CONDITION_SET_500MBPS));
#endif
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;