diff options
Diffstat (limited to 'drivers/video/fbdev/exynos/s6e8ax0.c')
| -rw-r--r-- | drivers/video/fbdev/exynos/s6e8ax0.c | 887 |
1 files changed, 0 insertions, 887 deletions
diff --git a/drivers/video/fbdev/exynos/s6e8ax0.c b/drivers/video/fbdev/exynos/s6e8ax0.c deleted file mode 100644 index de2f3e793786..000000000000 --- a/drivers/video/fbdev/exynos/s6e8ax0.c +++ /dev/null @@ -1,887 +0,0 @@ -/* linux/drivers/video/exynos/s6e8ax0.c - * - * MIPI-DSI based s6e8ax0 AMOLED lcd 4.65 inch panel driver. - * - * Inki Dae, <inki.dae@samsung.com> - * Donghwa Lee, <dh09.lee@samsung.com> - * - * 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/lcd.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/regulator/consumer.h> - -#include <video/mipi_display.h> -#include <video/exynos_mipi_dsim.h> - -#define LDI_MTP_LENGTH 24 -#define DSIM_PM_STABLE_TIME 10 -#define MIN_BRIGHTNESS 0 -#define MAX_BRIGHTNESS 24 -#define GAMMA_TABLE_COUNT 26 - -#define POWER_IS_ON(pwr) ((pwr) == FB_BLANK_UNBLANK) -#define POWER_IS_OFF(pwr) ((pwr) == FB_BLANK_POWERDOWN) -#define POWER_IS_NRM(pwr) ((pwr) == FB_BLANK_NORMAL) - -#define lcd_to_master(a) (a->dsim_dev->master) -#define lcd_to_master_ops(a) ((lcd_to_master(a))->master_ops) - -enum { - DSIM_NONE_STATE = 0, - DSIM_RESUME_COMPLETE = 1, - DSIM_FRAME_DONE = 2, -}; - -struct s6e8ax0 { - struct device *dev; - unsigned int power; - unsigned int id; - unsigned int gamma; - unsigned int acl_enable; - unsigned int cur_acl; - - struct lcd_device *ld; - struct backlight_device *bd; - - struct mipi_dsim_lcd_device *dsim_dev; - struct lcd_platform_data *ddi_pd; - struct mutex lock; - bool enabled; -}; - - -static struct regulator_bulk_data supplies[] = { - { .supply = "vdd3", }, - { .supply = "vci", }, -}; - -static void s6e8ax0_regulator_enable(struct s6e8ax0 *lcd) -{ - int ret = 0; - struct lcd_platform_data *pd = NULL; - - pd = lcd->ddi_pd; - mutex_lock(&lcd->lock); - if (!lcd->enabled) { - ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies); - if (ret) - goto out; - - lcd->enabled = true; - } - msleep(pd->power_on_delay); -out: - mutex_unlock(&lcd->lock); -} - -static void s6e8ax0_regulator_disable(struct s6e8ax0 *lcd) -{ - int ret = 0; - - mutex_lock(&lcd->lock); - if (lcd->enabled) { - ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies); - if (ret) - goto out; - - lcd->enabled = false; - } -out: - mutex_unlock(&lcd->lock); -} - -static const unsigned char s6e8ax0_22_gamma_30[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xf5, 0x00, 0xff, 0xad, 0xaf, - 0xbA, 0xc3, 0xd8, 0xc5, 0x9f, 0xc6, 0x9e, 0xc1, 0xdc, 0xc0, - 0x00, 0x61, 0x00, 0x5a, 0x00, 0x74, -}; - -static const unsigned char s6e8ax0_22_gamma_50[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xe8, 0x1f, 0xf7, 0xad, 0xc0, - 0xb5, 0xc4, 0xdc, 0xc4, 0x9e, 0xc6, 0x9c, 0xbb, 0xd8, 0xbb, - 0x00, 0x70, 0x00, 0x68, 0x00, 0x86, -}; - -static const unsigned char s6e8ax0_22_gamma_60[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xde, 0x1f, 0xef, 0xad, 0xc4, - 0xb3, 0xc3, 0xdd, 0xc4, 0x9e, 0xc6, 0x9c, 0xbc, 0xd6, 0xba, - 0x00, 0x75, 0x00, 0x6e, 0x00, 0x8d, -}; - -static const unsigned char s6e8ax0_22_gamma_70[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xd8, 0x1f, 0xe7, 0xaf, 0xc8, - 0xb4, 0xc4, 0xdd, 0xc3, 0x9d, 0xc6, 0x9c, 0xbb, 0xd6, 0xb9, - 0x00, 0x7a, 0x00, 0x72, 0x00, 0x93, -}; - -static const unsigned char s6e8ax0_22_gamma_80[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xc9, 0x1f, 0xde, 0xae, 0xc9, - 0xb1, 0xc3, 0xdd, 0xc2, 0x9d, 0xc5, 0x9b, 0xbc, 0xd6, 0xbb, - 0x00, 0x7f, 0x00, 0x77, 0x00, 0x99, -}; - -static const unsigned char s6e8ax0_22_gamma_90[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xc7, 0x1f, 0xd9, 0xb0, 0xcc, - 0xb2, 0xc3, 0xdc, 0xc1, 0x9c, 0xc6, 0x9c, 0xbc, 0xd4, 0xb9, - 0x00, 0x83, 0x00, 0x7b, 0x00, 0x9e, -}; - -static const unsigned char s6e8ax0_22_gamma_100[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xbd, 0x80, 0xcd, 0xba, 0xce, - 0xb3, 0xc4, 0xde, 0xc3, 0x9c, 0xc4, 0x9, 0xb8, 0xd3, 0xb6, - 0x00, 0x88, 0x00, 0x80, 0x00, 0xa5, -}; - -static const unsigned char s6e8ax0_22_gamma_120[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb9, 0x95, 0xc8, 0xb1, 0xcf, - 0xb2, 0xc6, 0xdf, 0xc5, 0x9b, 0xc3, 0x99, 0xb6, 0xd2, 0xb6, - 0x00, 0x8f, 0x00, 0x86, 0x00, 0xac, -}; - -static const unsigned char s6e8ax0_22_gamma_130[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb7, 0xa0, 0xc7, 0xb1, 0xd0, - 0xb2, 0xc4, 0xdd, 0xc3, 0x9a, 0xc3, 0x98, 0xb6, 0xd0, 0xb4, - 0x00, 0x92, 0x00, 0x8a, 0x00, 0xb1, -}; - -static const unsigned char s6e8ax0_22_gamma_140[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb7, 0xa0, 0xc5, 0xb2, 0xd0, - 0xb3, 0xc3, 0xde, 0xc3, 0x9b, 0xc2, 0x98, 0xb6, 0xd0, 0xb4, - 0x00, 0x95, 0x00, 0x8d, 0x00, 0xb5, -}; - -static const unsigned char s6e8ax0_22_gamma_150[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xa0, 0xc2, 0xb2, 0xd0, - 0xb2, 0xc1, 0xdd, 0xc2, 0x9b, 0xc2, 0x98, 0xb4, 0xcf, 0xb1, - 0x00, 0x99, 0x00, 0x90, 0x00, 0xba, -}; - -static const unsigned char s6e8ax0_22_gamma_160[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xa5, 0xbf, 0xb0, 0xd0, - 0xb1, 0xc3, 0xde, 0xc2, 0x99, 0xc1, 0x97, 0xb4, 0xce, 0xb1, - 0x00, 0x9c, 0x00, 0x93, 0x00, 0xbe, -}; - -static const unsigned char s6e8ax0_22_gamma_170[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb5, 0xbf, 0xb1, 0xd1, - 0xb1, 0xc3, 0xde, 0xc3, 0x99, 0xc0, 0x96, 0xb4, 0xce, 0xb1, - 0x00, 0x9f, 0x00, 0x96, 0x00, 0xc2, -}; - -static const unsigned char s6e8ax0_22_gamma_180[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb7, 0xbe, 0xb3, 0xd2, - 0xb3, 0xc3, 0xde, 0xc2, 0x97, 0xbf, 0x95, 0xb4, 0xcd, 0xb1, - 0x00, 0xa2, 0x00, 0x99, 0x00, 0xc5, -}; - -static const unsigned char s6e8ax0_22_gamma_190[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb9, 0xbe, 0xb2, 0xd2, - 0xb2, 0xc3, 0xdd, 0xc3, 0x98, 0xbf, 0x95, 0xb2, 0xcc, 0xaf, - 0x00, 0xa5, 0x00, 0x9c, 0x00, 0xc9, -}; - -static const unsigned char s6e8ax0_22_gamma_200[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb9, 0xbc, 0xb2, 0xd2, - 0xb1, 0xc4, 0xdd, 0xc3, 0x97, 0xbe, 0x95, 0xb1, 0xcb, 0xae, - 0x00, 0xa8, 0x00, 0x9f, 0x00, 0xcd, -}; - -static const unsigned char s6e8ax0_22_gamma_210[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc1, 0xbd, 0xb1, 0xd1, - 0xb1, 0xc2, 0xde, 0xc2, 0x97, 0xbe, 0x94, 0xB0, 0xc9, 0xad, - 0x00, 0xae, 0x00, 0xa4, 0x00, 0xd4, -}; - -static const unsigned char s6e8ax0_22_gamma_220[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc7, 0xbd, 0xb1, 0xd1, - 0xb1, 0xc2, 0xdd, 0xc2, 0x97, 0xbd, 0x94, 0xb0, 0xc9, 0xad, - 0x00, 0xad, 0x00, 0xa2, 0x00, 0xd3, -}; - -static const unsigned char s6e8ax0_22_gamma_230[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc3, 0xbd, 0xb2, 0xd1, - 0xb1, 0xc3, 0xdd, 0xc1, 0x96, 0xbd, 0x94, 0xb0, 0xc9, 0xad, - 0x00, 0xb0, 0x00, 0xa7, 0x00, 0xd7, -}; - -static const unsigned char s6e8ax0_22_gamma_240[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xcb, 0xbd, 0xb1, 0xd2, - 0xb1, 0xc3, 0xdD, 0xc2, 0x95, 0xbd, 0x93, 0xaf, 0xc8, 0xab, - 0x00, 0xb3, 0x00, 0xa9, 0x00, 0xdb, -}; - -static const unsigned char s6e8ax0_22_gamma_250[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xcc, 0xbe, 0xb0, 0xd2, - 0xb0, 0xc3, 0xdD, 0xc2, 0x94, 0xbc, 0x92, 0xae, 0xc8, 0xab, - 0x00, 0xb6, 0x00, 0xab, 0x00, 0xde, -}; - -static const unsigned char s6e8ax0_22_gamma_260[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xd0, 0xbe, 0xaf, 0xd1, - 0xaf, 0xc2, 0xdd, 0xc1, 0x96, 0xbc, 0x93, 0xaf, 0xc8, 0xac, - 0x00, 0xb7, 0x00, 0xad, 0x00, 0xe0, -}; - -static const unsigned char s6e8ax0_22_gamma_270[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb2, 0xcF, 0xbd, 0xb0, 0xd2, - 0xaf, 0xc2, 0xdc, 0xc1, 0x95, 0xbd, 0x93, 0xae, 0xc6, 0xaa, - 0x00, 0xba, 0x00, 0xb0, 0x00, 0xe4, -}; - -static const unsigned char s6e8ax0_22_gamma_280[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb2, 0xd0, 0xbd, 0xaf, 0xd0, - 0xad, 0xc4, 0xdd, 0xc3, 0x95, 0xbd, 0x93, 0xac, 0xc5, 0xa9, - 0x00, 0xbd, 0x00, 0xb2, 0x00, 0xe7, -}; - -static const unsigned char s6e8ax0_22_gamma_300[] = { - 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb5, 0xd3, 0xbd, 0xb1, 0xd2, - 0xb0, 0xc0, 0xdc, 0xc0, 0x94, 0xba, 0x91, 0xac, 0xc5, 0xa9, - 0x00, 0xc2, 0x00, 0xb7, 0x00, 0xed, -}; - -static const unsigned char *s6e8ax0_22_gamma_table[] = { - s6e8ax0_22_gamma_30, - s6e8ax0_22_gamma_50, - s6e8ax0_22_gamma_60, - s6e8ax0_22_gamma_70, - s6e8ax0_22_gamma_80, - s6e8ax0_22_gamma_90, - s6e8ax0_22_gamma_100, - s6e8ax0_22_gamma_120, - s6e8ax0_22_gamma_130, - s6e8ax0_22_gamma_140, - s6e8ax0_22_gamma_150, - s6e8ax0_22_gamma_160, - s6e8ax0_22_gamma_170, - s6e8ax0_22_gamma_180, - s6e8ax0_22_gamma_190, - s6e8ax0_22_gamma_200, - s6e8ax0_22_gamma_210, - s6e8ax0_22_gamma_220, - s6e8ax0_22_gamma_230, - s6e8ax0_22_gamma_240, - s6e8ax0_22_gamma_250, - s6e8ax0_22_gamma_260, - s6e8ax0_22_gamma_270, - s6e8ax0_22_gamma_280, - s6e8ax0_22_gamma_300, -}; - -static void s6e8ax0_panel_cond(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - - static const unsigned char data_to_send[] = { - 0xf8, 0x3d, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, 0x3c, 0x7d, - 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, 0x00, 0x20, 0x04, 0x08, - 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0, - 0xc8, 0x08, 0x48, 0xc1, 0x00, 0xc1, 0xff, 0xff, 0xc8 - }; - static const unsigned char data_to_send_panel_reverse[] = { - 0xf8, 0x19, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, 0x3c, 0x7d, - 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, 0x00, 0x20, 0x04, 0x08, - 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0, - 0xc1, 0x01, 0x41, 0xc1, 0x00, 0xc1, 0xf6, 0xf6, 0xc1 - }; - - if (lcd->dsim_dev->panel_reverse) - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send_panel_reverse, - ARRAY_SIZE(data_to_send_panel_reverse)); - else - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_display_cond(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xf2, 0x80, 0x03, 0x0d - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -/* Gamma 2.2 Setting (200cd, 7500K, 10MPCD) */ -static void s6e8ax0_gamma_cond(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - unsigned int gamma = lcd->bd->props.brightness; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - s6e8ax0_22_gamma_table[gamma], - GAMMA_TABLE_COUNT); -} - -static void s6e8ax0_gamma_update(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xf7, 0x03 - }; - - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE_PARAM, data_to_send, - ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_etc_cond1(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xd1, 0xfe, 0x80, 0x00, 0x01, 0x0b, 0x00, 0x00, 0x40, - 0x0d, 0x00, 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_etc_cond2(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xff, 0x44, 0x44, 0xc0, - 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_etc_cond3(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xe1, 0x10, 0x1c, 0x17, 0x08, 0x1d - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_etc_cond4(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xe2, 0xed, 0x07, 0xc3, 0x13, 0x0d, 0x03 - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_etc_cond5(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x19, 0x33, 0x02 - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} -static void s6e8ax0_etc_cond6(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xe3, 0x40 - }; - - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE_PARAM, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_etc_cond7(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xe4, 0x00, 0x00, 0x14, 0x80, 0x00, 0x00, 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_elvss_set(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xb1, 0x04, 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_elvss_nvm_set(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xd9, 0x5c, 0x20, 0x0c, 0x0f, 0x41, 0x00, 0x10, 0x11, - 0x12, 0xd1, 0x00, 0x00, 0x00, 0x00, 0x80, 0xcb, 0xed, - 0x64, 0xaf - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_sleep_in(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0x10, 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_sleep_out(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0x11, 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_display_on(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0x29, 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_display_off(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0x28, 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_apply_level2_key(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xf0, 0x5a, 0x5a - }; - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_acl_on(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xc0, 0x01 - }; - - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -static void s6e8ax0_acl_off(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - static const unsigned char data_to_send[] = { - 0xc0, 0x00 - }; - - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); -} - -/* Full white 50% reducing setting */ -static void s6e8ax0_acl_ctrl_set(struct s6e8ax0 *lcd) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - /* Full white 50% reducing setting */ - static const unsigned char cutoff_50[] = { - 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, - 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x01, 0x08, 0x0f, 0x16, 0x1d, 0x24, 0x2a, 0x31, 0x38, - 0x3f, 0x46 - }; - /* Full white 45% reducing setting */ - static const unsigned char cutoff_45[] = { - 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, - 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x01, 0x07, 0x0d, 0x13, 0x19, 0x1f, 0x25, 0x2b, 0x31, - 0x37, 0x3d - }; - /* Full white 40% reducing setting */ - static const unsigned char cutoff_40[] = { - 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, - 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x01, 0x06, 0x0c, 0x11, 0x16, 0x1c, 0x21, 0x26, 0x2b, - 0x31, 0x36 - }; - - if (lcd->acl_enable) { - if (lcd->cur_acl == 0) { - if (lcd->gamma == 0 || lcd->gamma == 1) { - s6e8ax0_acl_off(lcd); - dev_dbg(&lcd->ld->dev, - "cur_acl=%d\n", lcd->cur_acl); - } else - s6e8ax0_acl_on(lcd); - } - switch (lcd->gamma) { - case 0: /* 30cd */ - s6e8ax0_acl_off(lcd); - lcd->cur_acl = 0; - break; - case 1 ... 3: /* 50cd ~ 90cd */ - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_LONG_WRITE, - cutoff_40, - ARRAY_SIZE(cutoff_40)); - lcd->cur_acl = 40; - break; - case 4 ... 7: /* 120cd ~ 210cd */ - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_LONG_WRITE, - cutoff_45, - ARRAY_SIZE(cutoff_45)); - lcd->cur_acl = 45; - break; - case 8 ... 10: /* 220cd ~ 300cd */ - ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_LONG_WRITE, - cutoff_50, - ARRAY_SIZE(cutoff_50)); - lcd->cur_acl = 50; - break; - default: - break; - } - } else { - s6e8ax0_acl_off(lcd); - lcd->cur_acl = 0; - dev_dbg(&lcd->ld->dev, "cur_acl = %d\n", lcd->cur_acl); - } -} - -static void s6e8ax0_read_id(struct s6e8ax0 *lcd, u8 *mtp_id) -{ - unsigned int ret; - unsigned int addr = 0xd1; /* MTP ID */ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - - ret = ops->cmd_read(lcd_to_master(lcd), - MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM, - addr, 3, mtp_id); -} - -static int s6e8ax0_panel_init(struct s6e8ax0 *lcd) -{ - s6e8ax0_apply_level2_key(lcd); - s6e8ax0_sleep_out(lcd); - msleep(1); - s6e8ax0_panel_cond(lcd); - s6e8ax0_display_cond(lcd); - s6e8ax0_gamma_cond(lcd); - s6e8ax0_gamma_update(lcd); - - s6e8ax0_etc_cond1(lcd); - s6e8ax0_etc_cond2(lcd); - s6e8ax0_etc_cond3(lcd); - s6e8ax0_etc_cond4(lcd); - s6e8ax0_etc_cond5(lcd); - s6e8ax0_etc_cond6(lcd); - s6e8ax0_etc_cond7(lcd); - - s6e8ax0_elvss_nvm_set(lcd); - s6e8ax0_elvss_set(lcd); - - s6e8ax0_acl_ctrl_set(lcd); - s6e8ax0_acl_on(lcd); - - /* if ID3 value is not 33h, branch private elvss mode */ - msleep(lcd->ddi_pd->power_on_delay); - - return 0; -} - -static int s6e8ax0_update_gamma_ctrl(struct s6e8ax0 *lcd, int brightness) -{ - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - s6e8ax0_22_gamma_table[brightness], - ARRAY_SIZE(s6e8ax0_22_gamma_table)); - - /* update gamma table. */ - s6e8ax0_gamma_update(lcd); - lcd->gamma = brightness; - - return 0; -} - -static int s6e8ax0_gamma_ctrl(struct s6e8ax0 *lcd, int gamma) -{ - s6e8ax0_update_gamma_ctrl(lcd, gamma); - - return 0; -} - -static int s6e8ax0_set_power(struct lcd_device *ld, int power) -{ - struct s6e8ax0 *lcd = lcd_get_data(ld); - struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); - int ret = 0; - - if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN && - power != FB_BLANK_NORMAL) { - dev_err(lcd->dev, "power value should be 0, 1 or 4.\n"); - return -EINVAL; - } - - if ((power == FB_BLANK_UNBLANK) && ops->set_blank_mode) { - /* LCD power on */ - if ((POWER_IS_ON(power) && POWER_IS_OFF(lcd->power)) - || (POWER_IS_ON(power) && POWER_IS_NRM(lcd->power))) { - ret = ops->set_blank_mode(lcd_to_master(lcd), power); - if (!ret && lcd->power != power) - lcd->power = power; - } - } else if ((power == FB_BLANK_POWERDOWN) && ops->set_early_blank_mode) { - /* LCD power off */ - if ((POWER_IS_OFF(power) && POWER_IS_ON(lcd->power)) || - (POWER_IS_ON(lcd->power) && POWER_IS_NRM(power))) { - ret = ops->set_early_blank_mode(lcd_to_master(lcd), - power); - if (!ret && lcd->power != power) - lcd->power = power; - } - } - - return ret; -} - -static int s6e8ax0_get_power(struct lcd_device *ld) -{ - struct s6e8ax0 *lcd = lcd_get_data(ld); - - return lcd->power; -} - -static int s6e8ax0_set_brightness(struct backlight_device *bd) -{ - int ret = 0, brightness = bd->props.brightness; - struct s6e8ax0 *lcd = bl_get_data(bd); - - if (brightness < MIN_BRIGHTNESS || - brightness > bd->props.max_brightness) { - dev_err(lcd->dev, "lcd brightness should be %d to %d.\n", - MIN_BRIGHTNESS, MAX_BRIGHTNESS); - return -EINVAL; - } - - ret = s6e8ax0_gamma_ctrl(lcd, brightness); - if (ret) { - dev_err(&bd->dev, "lcd brightness setting failed.\n"); - return -EIO; - } - - return ret; -} - -static struct lcd_ops s6e8ax0_lcd_ops = { - .set_power = s6e8ax0_set_power, - .get_power = s6e8ax0_get_power, -}; - -static const struct backlight_ops s6e8ax0_backlight_ops = { - .update_status = s6e8ax0_set_brightness, -}; - -static void s6e8ax0_power_on(struct mipi_dsim_lcd_device *dsim_dev, int power) -{ - struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); - - msleep(lcd->ddi_pd->power_on_delay); - - /* lcd power on */ - if (power) - s6e8ax0_regulator_enable(lcd); - else - s6e8ax0_regulator_disable(lcd); - - msleep(lcd->ddi_pd->reset_delay); - - /* lcd reset */ - if (lcd->ddi_pd->reset) - lcd->ddi_pd->reset(lcd->ld); - msleep(5); -} - -static void s6e8ax0_set_sequence(struct mipi_dsim_lcd_device *dsim_dev) -{ - struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); - - s6e8ax0_panel_init(lcd); - s6e8ax0_display_on(lcd); - - lcd->power = FB_BLANK_UNBLANK; -} - -static int s6e8ax0_probe(struct mipi_dsim_lcd_device *dsim_dev) -{ - struct s6e8ax0 *lcd; - int ret; - u8 mtp_id[3] = {0, }; - - lcd = devm_kzalloc(&dsim_dev->dev, sizeof(struct s6e8ax0), GFP_KERNEL); - if (!lcd) { - dev_err(&dsim_dev->dev, "failed to allocate s6e8ax0 structure.\n"); - return -ENOMEM; - } - - lcd->dsim_dev = dsim_dev; - lcd->ddi_pd = (struct lcd_platform_data *)dsim_dev->platform_data; - lcd->dev = &dsim_dev->dev; - - mutex_init(&lcd->lock); - - ret = devm_regulator_bulk_get(lcd->dev, ARRAY_SIZE(supplies), supplies); - if (ret) { - dev_err(lcd->dev, "Failed to get regulators: %d\n", ret); - return ret; - } - - lcd->ld = devm_lcd_device_register(lcd->dev, "s6e8ax0", lcd->dev, lcd, - &s6e8ax0_lcd_ops); - if (IS_ERR(lcd->ld)) { - dev_err(lcd->dev, "failed to register lcd ops.\n"); - return PTR_ERR(lcd->ld); - } - - lcd->bd = devm_backlight_device_register(lcd->dev, "s6e8ax0-bl", - lcd->dev, lcd, &s6e8ax0_backlight_ops, NULL); - if (IS_ERR(lcd->bd)) { - dev_err(lcd->dev, "failed to register backlight ops.\n"); - return PTR_ERR(lcd->bd); - } - - lcd->bd->props.max_brightness = MAX_BRIGHTNESS; - lcd->bd->props.brightness = MAX_BRIGHTNESS; - - s6e8ax0_read_id(lcd, mtp_id); - if (mtp_id[0] == 0x00) - dev_err(lcd->dev, "read id failed\n"); - - dev_info(lcd->dev, "Read ID : %x, %x, %x\n", - mtp_id[0], mtp_id[1], mtp_id[2]); - - if (mtp_id[2] == 0x33) - dev_info(lcd->dev, - "ID-3 is 0xff does not support dynamic elvss\n"); - else - dev_info(lcd->dev, - "ID-3 is 0x%x support dynamic elvss\n", mtp_id[2]); - - lcd->acl_enable = 1; - lcd->cur_acl = 0; - - dev_set_drvdata(&dsim_dev->dev, lcd); - - dev_dbg(lcd->dev, "probed s6e8ax0 panel driver.\n"); - - return 0; -} - -static int __maybe_unused s6e8ax0_suspend(struct mipi_dsim_lcd_device *dsim_dev) -{ - struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); - - s6e8ax0_sleep_in(lcd); - msleep(lcd->ddi_pd->power_off_delay); - s6e8ax0_display_off(lcd); - - s6e8ax0_regulator_disable(lcd); - - return 0; -} - -static int __maybe_unused s6e8ax0_resume(struct mipi_dsim_lcd_device *dsim_dev) -{ - struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); - - s6e8ax0_sleep_out(lcd); - msleep(lcd->ddi_pd->power_on_delay); - - s6e8ax0_regulator_enable(lcd); - s6e8ax0_set_sequence(dsim_dev); - - return 0; -} - -static struct mipi_dsim_lcd_driver s6e8ax0_dsim_ddi_driver = { - .name = "s6e8ax0", - .id = -1, - - .power_on = s6e8ax0_power_on, - .set_sequence = s6e8ax0_set_sequence, - .probe = s6e8ax0_probe, - .suspend = IS_ENABLED(CONFIG_PM) ? s6e8ax0_suspend : NULL, - .resume = IS_ENABLED(CONFIG_PM) ? s6e8ax0_resume : NULL, -}; - -static int s6e8ax0_init(void) -{ - exynos_mipi_dsi_register_lcd_driver(&s6e8ax0_dsim_ddi_driver); - - return 0; -} - -static void s6e8ax0_exit(void) -{ - return; -} - -module_init(s6e8ax0_init); -module_exit(s6e8ax0_exit); - -MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); -MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); -MODULE_DESCRIPTION("MIPI-DSI based s6e8ax0 AMOLED LCD Panel Driver"); -MODULE_LICENSE("GPL"); |