diff --git a/drivers/video/sprdfb/Kconfig b/drivers/video/sprdfb/Kconfig index 5c929a5..7f0678c 100755 --- a/drivers/video/sprdfb/Kconfig +++ b/drivers/video/sprdfb/Kconfig @@ -305,6 +305,11 @@ config FB_LCD_ST7789V_MCU depends on FB_SC8825 || FB_SCX35 || FB_SCX15 default n +config FB_LCD_ST7796S_MIPI + boolean "support ST7796S mipi panel" + depends on FB_SC8825 || FB_SCX35 || FB_SCX30G + default n + config FB_LCD_NT51017_MIPI_LVDS boolean "support nt51017 lvds panel" depends on FB_SC8825 || FB_SCX35 diff --git a/drivers/video/sprdfb/lcd/Makefile b/drivers/video/sprdfb/lcd/Makefile index c1b385b..df28587 100755 --- a/drivers/video/sprdfb/lcd/Makefile +++ b/drivers/video/sprdfb/lcd/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_FB_LCD_S6D77ALA_MIPI_PIKEBJ1MINI) += lcd_s6d77a1a01_mipi_pikebj1min obj-$(CONFIG_FB_LCD_SC7798D_MIPI_PIKEBJ1MINI) += lcd_sc7798d_mipi_pikebj1mini.o obj-$(CONFIG_FB_LCD_ILI9341) += lcd_ili9341.o obj-$(CONFIG_FB_LCD_ST7789V_MCU) += lcd_st7789v_mcu.o +obj-$(CONFIG_FB_LCD_ST7796S_MIPI) += lcd_st7796s_mipi.o obj-$(CONFIG_FB_LCD_OTM1283A_MIPI) += lcd_otm1283a_mipi.o obj-$(CONFIG_FB_LCD_NT35502_MIPI) += lcd_nt35502_mipi.o obj-$(CONFIG_FB_LCD_VIVA_RGB_SPI) += lcd_hx8363_rgb_spi_viva.o diff --git a/drivers/video/sprdfb/lcd/lcd_st7796s_mipi.c b/drivers/video/sprdfb/lcd/lcd_st7796s_mipi.c new file mode 100644 index 0000000..2096e01 --- /dev/null +++ b/drivers/video/sprdfb/lcd/lcd_st7796s_mipi.c @@ -0,0 +1,252 @@ +/* drivers/video/sprdfb/lcd/lcd_st7796s_mipi.c + * + * Support for ST7796S mipi LCD device + * + * Copyright (C) 2010 Spreadtrum + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include "../sprdfb_panel.h" + +#define MAX_DATA 100 + +typedef struct LCM_Init_Code_tag { + unsigned int tag; + unsigned char data[MAX_DATA]; +}LCM_Init_Code; + +typedef struct LCM_force_cmd_code_tag{ + unsigned int datatype; + LCM_Init_Code real_cmd_code; +}LCM_Force_Cmd_Code; + +#define LCM_TAG_SHIFT 24 +#define LCM_TAG_MASK ((1 << 24) -1) +#define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len) +#define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms) + +#define LCM_TAG_SEND (1<< 0) +#define LCM_TAG_SLEEP (1 << 1) + +static LCM_Init_Code init_data[] = { + /*{0xF0, 1, {0xC3}}, COMMAND SET CONTROL: ENABLE COMMAND 2 part I + {0xF0, 1, {0x96}}, COMMAND SET CONTROL: ENABLE COMMAND 2 part II + {0x36, 1, {0x86}}, MADCTL (memory data access control): mirror framebuffer, + {0xB4, 1, {0x01}}, DIC (display inversion control) : 1-dot inversion + {0x3A, 1, {0x55}}, Interface pixel format: 18-bit//0x55 + {0xB7, 1, {0x06}}, Entry Mode Set: normal display + {0xB9, 2, {0x02,0XC0}}, + {0x35, 1, {0x00}}, Tearing effect line: disabled + {0x44, 2, {0x00,0x00}}, Set tear scanline: 0 + + {0xE8, 8, {0x40,0x8a,0x00,0x00,0x29,0x19,0xa5,0x33}}, Display output ctrl adjust + {0xC5, 1, {0x25}}, VCOM control: 1.225 + {0xC2, 1, {0xA5}}, PWR3 Power control: low + GAMMA CONTROL + {0xE0, 14, {0xF0,0x00,0x03,0x0b,0x0c,0x29,0x2e,0x44,0x41,0x17,0x11,0x13,0x16,0x1b}}, + {0xE1, 14, {0xF0,0x00,0x02,0x06,0x06,0x24,0x2a,0x43,0x3e,0x2d,0x1a,0x16,0x13,0x17}}, + {0xEC, 3, {0x00,0x00,0x01}}, + + {0xF0, 1, {0x3C}}, COMMAND SET CONTROL + {0xF0, 1, {0x69}}, COMMAND SET CONTROL + + {0x29, 1, {0x00}}, + {REGFLAG_DELAY, 20, {}},*/ + {LCM_SEND(1), {0xC3}}, + {LCM_SEND(1), {0x96}}, + {LCM_SEND(1), {0x86}}, + {LCM_SEND(1), {0x01}}, + {LCM_SEND(1), {0x55}},//0x55 + {LCM_SEND(1), {0x06}}, + {LCM_SEND(2), {0x02,0XC0}}, + {LCM_SEND(1), {0x00}}, + {LCM_SEND(2), {0x00,0x00}}, + + {LCM_SEND(8), {0x40,0x8a,0x00,0x00,0x29,0x19,0xa5,0x33}}, + {LCM_SEND(1), {0x25}}, + {LCM_SEND(1), {0xA5}}, + + {LCM_SEND(14), {0xF0,0x00,0x03,0x0b,0x0c,0x29,0x2e,0x44,0x41,0x17,0x11,0x13,0x16,0x1b}}, + {LCM_SEND(14), {0xF0,0x00,0x02,0x06,0x06,0x24,0x2a,0x43,0x3e,0x2d,0x1a,0x16,0x13,0x17}}, + {LCM_SEND(3), {0x00,0x00,0x01}}, + + {LCM_SEND(1), {0x3C}}, + {LCM_SEND(1), {0x69}}, + + {LCM_SEND(1), 1, {0x00}}, + {LCM_SLEEP(20)}, +}; + +static LCM_Init_Code sleep_in[] = { + {LCM_SEND(1), {0x28}}, + {LCM_SLEEP(50)}, //>150ms + {LCM_SEND(1), {0x10}}, + {LCM_SLEEP(120)}, //>150ms +}; + +static LCM_Init_Code sleep_out[] = { + {LCM_SEND(1), {0x11}}, + {LCM_SLEEP(120)},//>120ms + {LCM_SEND(1), {0x29}}, + {LCM_SLEEP(50)}, //>20ms +}; + +static int32_t st7796s_mipi_init(struct panel_spec *self) +{ + int32_t i; + LCM_Init_Code *init = init_data; + unsigned int tag; + + mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode; + mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write; + mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set; + + printk("kernel ili9486s1_mipi_init\n"); + + mipi_set_cmd_mode(); + mipi_eotp_set(0,0); + + for(i = 0; i < ARRAY_SIZE(init_data); i++){ + tag = (init->tag >>24); + if(tag & LCM_TAG_SEND){ + mipi_dcs_write(init->data, (init->tag & LCM_TAG_MASK)); + udelay(20); + }else if(tag & LCM_TAG_SLEEP){ + msleep(init->tag & LCM_TAG_MASK); + } + init++; + } + mipi_eotp_set(0,0); + + return 0; +} + + +static uint32_t st7796s_readid(struct panel_spec *self) +{ + printk("lcd_dummy read id!\n"); + printk("lcd_dummy read id success!\n"); + return 0x7796; +} + + +static int32_t st7796s_enter_sleep(struct panel_spec *self, uint8_t is_sleep) +{ + int32_t i; + LCM_Init_Code *sleep_in_out = NULL; + unsigned int tag; + int32_t size = 0; + + mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode; + mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write; + mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set; + + printk("kernel nt35502_enter_sleep, is_sleep = %d\n", is_sleep); + + if(is_sleep){ + sleep_in_out = sleep_in; + size = ARRAY_SIZE(sleep_in); + }else{ + sleep_in_out = sleep_out; + size = ARRAY_SIZE(sleep_out); + } + + mipi_set_cmd_mode(); + mipi_eotp_set(0,0); + + for(i = 0; i tag >>24); + if(tag & LCM_TAG_SEND){ + mipi_dcs_write(sleep_in_out->data, (sleep_in_out->tag & LCM_TAG_MASK)); + }else if(tag & LCM_TAG_SLEEP){ + msleep(sleep_in_out->tag & LCM_TAG_MASK); + } + sleep_in_out++; + } + mipi_eotp_set(0,0); + + return 0; +} + +/* esd check disabled +static int32_t st7796s_check_esd(struct panel_spec *self) +{ + pr_debug("dummy_check_esd!\n"); + pr_debug("dummy_check_esd OK!\n"); + return 1; +} */ + + +static struct panel_operations lcd_st7796s_mipi_operations = { + .panel_init = st7796s_mipi_init, + .panel_readid = st7796s_readid, + .panel_enter_sleep = st7796s_enter_sleep, + //.panel_esd_check = dummy_check_esd, +}; + + +static struct timing_rgb lcd_st7796s_mipi_timing = { + /* unit: pixel */ + .hfp = 65, //Horizontal front porch + .hbp = 10, //Horizontal back porch + .hsync = 10,//6, + /*unit: line*/ + .vfp = 8, //Vertical front porch + .vbp = 10, //Vertical back porch + .vsync = 3, +}; + +static struct info_mipi lcd_st7796s_mipi_info = { + .work_mode = SPRDFB_MIPI_MODE_VIDEO, + .video_bus_width = 18, /*18,16*/ + .lan_number = 1, + .phy_feq = 340*1000, + .h_sync_pol = SPRDFB_POLARITY_NEG, + .v_sync_pol = SPRDFB_POLARITY_NEG, + .de_pol = SPRDFB_POLARITY_POS, + .te_pol = SPRDFB_POLARITY_POS, + .color_mode_pol = SPRDFB_POLARITY_POS, + .shut_down_pol = SPRDFB_POLARITY_NEG, + .timing = &lcd_st7796s_mipi_timing, + .ops = NULL, +}; + +// DONE + +struct panel_spec lcd_st7796s_mipi_spec = { + .width = 320, + .height = 480, + .fps = 60, + .type = LCD_MODE_DSI, + .direction = LCD_DIRECT_NORMAL, + //.is_clean_lcd = true, + .info = { + .mipi = &lcd_st7796s_mipi_info + }, + .ops = &lcd_st7796s_mipi_operations, +}; + +struct panel_cfg lcd_st7796s_mipi = { + .dev_id = SPRDFB_MAINLCD_ID, + .lcd_id = 0x7796, + .lcd_name = "lcd_st7796s_mipi", + .panel = &lcd_st7796s_mipi_spec, +}; + +static int __init lcd_st7796s_mipi_init(void) +{ + return sprdfb_panel_register(&lcd_st7796s_mipi); +} + +subsys_initcall(lcd_st7796s_mipi_init);