/* Copyright Statement: * * This software/firmware and related documentation ("MediaTek Software") are * protected under relevant copyright laws. The information contained herein * is confidential and proprietary to MediaTek Inc. and/or its licensors. * Without the prior written permission of MediaTek inc. and/or its licensors, * any reproduction, modification, use or disclosure of MediaTek Software, * and information contained herein, in whole or in part, shall be strictly prohibited. */ /* MediaTek Inc. (C) 2015. All rights reserved. * * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON * AN "AS-IS" BASIS ONLY. 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All revisions are subject to any receiver\'s * applicable license agreements with MediaTek Inc. */ #ifndef BUILD_LK #include #endif #include "lcm_drv.h" #ifdef BUILD_LK #include #include #elif defined(BUILD_UBOOT) #include #else #include #include #include #endif #define FRAME_WIDTH (800) #define FRAME_HEIGHT (1280) #define REGFLAG_DELAY 0xFE #define REGFLAG_END_OF_TABLE 0xFF // END OF REGISTERS MARKER #define LCM_DSI_CMD_MODE 0 #define LCM_ID 0x06 //#define GPIO_LCD_RST_EN GPIO131 #ifdef GPIO_LCM_PWR_EN #define GPIO_LCD_PWR_EN GPIO_LCM_PWR_EN #else #define GPIO_LCD_PWR_EN 0xFFFFFFFF #endif #ifdef GPIO_LCM_RST #define GPIO_LCD_RST GPIO_LCM_RST #else #define GPIO_LCD_RST 0xFFFFFFFF #endif #ifndef BUILD_LK static bool fgisFirst = TRUE; #endif static unsigned int lcm_esd_test = FALSE; ///only for ESD test // --------------------------------------------------------------------------- // Local Variables // --------------------------------------------------------------------------- static LCM_UTIL_FUNCS lcm_util = {0}; #define SET_RESET_PIN(v) lcm_set_gpio_output(GPIO_LCD_RST, v) //(lcm_util.set_reset_pin((v))) #define UDELAY(n) (lcm_util.udelay(n)) #define MDELAY(n) (lcm_util.mdelay(n)) // --------------------------------------------------------------------------- // Local Functions // --------------------------------------------------------------------------- #define dsi_set_cmdq_V2(cmd, count, ppara, force_update) lcm_util.dsi_set_cmdq_V2(cmd, count, ppara, force_update) #define dsi_set_cmdq(pdata, queue_size, force_update) lcm_util.dsi_set_cmdq(pdata, queue_size, force_update) #define wrtie_cmd(cmd) lcm_util.dsi_write_cmd(cmd) #define write_regs(addr, pdata, byte_nums) lcm_util.dsi_write_regs(addr, pdata, byte_nums) #define read_reg lcm_util.dsi_read_reg() #define read_reg_v2(cmd, buffer, buffer_size) lcm_util.dsi_dcs_read_lcm_reg_v2(cmd, buffer, buffer_size) static void lcm_init_register(void) { unsigned int data_array[16]; #ifdef BUILD_LK printf("%s, LK \n", __func__); #else printk("%s, kernel", __func__); #endif //DSI_Continuous_HS(); //DSI_clk_HS_mode(1); /* 0xF0, 0x5A, 0x5A */ data_array[0] = 0x00033902; data_array[1] = 0x005A5AF0; dsi_set_cmdq(data_array, 2, 1); /* 0xF1, 0x5A, 0x5A */ data_array[0] = 0x00033902; data_array[1] = 0x005A5AF1; dsi_set_cmdq(data_array, 2, 1); /* 0xFC, 0xA5, 0xA5 */ data_array[0] = 0x00033902; data_array[1] = 0x00A5A5FC; dsi_set_cmdq(data_array, 2, 1); /* 0xD0, 0x00, 0x10 */ data_array[0] = 0x00033902; data_array[1] = 0x001000D0; dsi_set_cmdq(data_array, 2, 1); /* 0x35. TE */ data_array[0] = 0x00350500; dsi_set_cmdq(data_array, 1, 1); /*0xC3, 0x40, 0x00, 0x28*/ data_array[0] = 0x00043902; data_array[1] = 0x280040C3; dsi_set_cmdq(data_array, 2, 1); MDELAY(20); /*0xF6, 0x63, 0x20, 0x86, 0x00, 0x00, 0x10*/ data_array[0] = 0x00073902; data_array[1] = 0x862063F6; data_array[2] = 0x00100000; dsi_set_cmdq(data_array, 3, 1); /* MIPI Video on, no need care about it */ /* 0x11. Sleep out */ data_array[0] = 0x00110500; dsi_set_cmdq(data_array, 1, 1); MDELAY(50); /*0x36, 0x00*/ data_array[0] = 0x00361500; dsi_set_cmdq(data_array, 1, 1); MDELAY(50); /* 0x29. Display on */ data_array[0] = 0x00290500; dsi_set_cmdq(data_array, 1, 1); MDELAY(200); /* Backlight turn on, no need to control it */ } static void lcm_set_gpio_output(unsigned int GPIO, unsigned int output) { mt_set_gpio_mode(GPIO, GPIO_MODE_00); mt_set_gpio_dir(GPIO, GPIO_DIR_OUT); mt_set_gpio_out(GPIO, (output>0)? GPIO_OUT_ONE: GPIO_OUT_ZERO); } static void lcd_poweron(unsigned char enabled) { if (enabled > 0) { #ifdef BUILD_LK printf("[LK/LCM] lcm_resume_power() enter\n"); lcm_set_gpio_output(GPIO_LCD_PWR_EN, GPIO_OUT_ONE); MDELAY(5); lcm_Enable_HW(1800); MDELAY(20); #else printk("[Kernel/LCM] lcm_resume_power() enter\n"); lcm_set_gpio_output(GPIO_LCD_PWR_EN, GPIO_OUT_ONE); MDELAY(5); hwPowerOn(MT6328_POWER_LDO_VCAMA, VOL_1800, "LCM"); MDELAY(20); #endif } else { #ifdef BUILD_LK printf("[LK/LCM] lcm_suspend_power() enter\n"); lcm_set_gpio_output(GPIO_LCD_PWR_EN, GPIO_OUT_ZERO); MDELAY(20); lcm_Disable_HW(); #else printk("[Kernel/LCM] lcm_suspend_power() enter\n"); lcm_set_gpio_output(GPIO_LCD_PWR_EN, GPIO_OUT_ZERO); MDELAY(20); if(fgisFirst == TRUE) { fgisFirst = FALSE; hwPowerOn(MT6328_POWER_LDO_VCAMA, VOL_1800, "LCM"); } hwPowerDown(MT6328_POWER_LDO_VCAMA, "LCM"); #endif } } static void lcd_reset(unsigned char enabled) { if (enabled > 0) { SET_RESET_PIN(1); } else { SET_RESET_PIN(0); } } // --------------------------------------------------------------------------- // LCM Driver Implementations // --------------------------------------------------------------------------- static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util) { memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS)); } static void lcm_get_params(LCM_PARAMS *params) { memset(params, 0, sizeof(LCM_PARAMS)); params->type = LCM_TYPE_DSI; params->width = FRAME_WIDTH; params->height = FRAME_HEIGHT; params->dsi.mode = SYNC_EVENT_VDO_MODE; // DSI /* Command mode setting */ params->dsi.LANE_NUM = LCM_FOUR_LANE; //The following defined the fomat for data coming from LCD engine. params->dsi.data_format.color_order = LCM_COLOR_ORDER_RGB; params->dsi.data_format.trans_seq = LCM_DSI_TRANS_SEQ_MSB_FIRST; params->dsi.data_format.padding = LCM_DSI_PADDING_ON_LSB; params->dsi.data_format.format = LCM_DSI_FORMAT_RGB888; // Highly depends on LCD driver capability. params->dsi.word_count=FRAME_WIDTH*3; params->dsi.PS = LCM_PACKED_PS_24BIT_RGB888; params->dsi.vertical_sync_active = 4; params->dsi.vertical_backporch = 4; params->dsi.vertical_frontporch = 8; params->dsi.vertical_active_line = FRAME_HEIGHT; params->dsi.horizontal_sync_active = 14; params->dsi.horizontal_backporch = 140; params->dsi.horizontal_frontporch = 16; params->dsi.horizontal_active_pixel = FRAME_WIDTH; params->dsi.PLL_CLOCK = 245; } static void lcm_init_power(void) { lcd_reset(0); /* Power supply(VDD=1.8V) */ MDELAY(10); lcd_poweron(0); MDELAY(20); lcd_poweron(1); MDELAY(5); lcd_reset(1); MDELAY(20); lcd_reset(0); MDELAY(25); lcd_reset(1); MDELAY(10); } static void lcm_suspend_power(void) { lcd_reset(0); MDELAY(10); lcd_poweron(0); MDELAY(10); } static void lcm_resume_power(void) { MDELAY(20); lcm_init_power(); } static void lcm_init(void) { MDELAY(20); lcm_init_register(); MDELAY(20); } static void lcm_suspend(void) { unsigned int data_array[16]; data_array[0] = 0x00280500; //display off dsi_set_cmdq(data_array, 1, 1); MDELAY(200); } static void lcm_resume(void) { lcm_init(); } LCM_DRIVER s6d7aa0_wxga_dsi_vdo_lcm_drv = { .name = "s6d7aa0_wxga_dsi_vdo", .set_util_funcs = lcm_set_util_funcs, .get_params = lcm_get_params, .init = lcm_init, .init_power = lcm_init_power, .suspend = lcm_suspend, .suspend_power = lcm_suspend_power, .resume = lcm_resume, .resume_power = lcm_resume_power, };