/******************************************************************** * am335x LCD參數更改 * * 本文記錄am335x更換不同尺寸屏幕時，內核中需要更改的地方。* * Tony Liu, 2016-4-27,Shenzhen ********************************************************************/ kernel/arm/arch/mach-omap2/board-am335xevn.c static void lcdc_init(int evm_id, int profile) { struct da8xx_lcdc_platform_data *lcdc_pdata; setup_pin_mux(lcdc_pin_mux); if (conf_disp_pll(300000000)) { pr_info("Failed configure display PLL, not attempting to" "register LCDC\n"); return; } // screen_size = SCREEN_SIZE_640X480_5_7 ; // screen_size = SCREEN_SIZE_800X600_12_1; // screen_size = SCREEN_SIZE_800X480_7; // screen_size = SCREEN_SIZE_1024x600_10_1; // screen_size = SCREEN_SIZE_1280x800_10_1; // screen_size = SCREEN_SIZE_640x480_5_6; screen_size = SCREEN_SIZE_800X600_8; if(screen_size == SCREEN_SIZE_800X600_8) lcdc_pdata = &NHD_800600MF_ATXI_pdata_8; --------------------+ else if(screen_size == SCREEN_SIZE_800X480_5) | lcdc_pdata = &NHD_800480MF_ATXI_pdata_5; | else if(screen_size == SCREEN_SIZE_800X480_7) | lcdc_pdata = &NHD_800480MF_ATXI_pdata_7; | else if(screen_size == SCREEN_SIZE_800X600_12_1) | lcdc_pdata = &NHD_800600MF_ATXI_pdata_12_1; | else if(screen_size == SCREEN_SIZE_640X480_5_7 ) | lcdc_pdata = &NHD_640480MF_ATXI_pdata_5_7 ; | else if(screen_size == SCREEN_SIZE_1024x600_10_1 ) | lcdc_pdata = &NHD_1024600MF_ATXI_pdata_10_1 ; | else if(screen_size == SCREEN_SIZE_1280x800_10_1 ) | lcdc_pdata = &NHD_1280800MF_ATXI_pdata_10_1 ; | else if(screen_size == SCREEN_SIZE_640x480_5_6 ) | lcdc_pdata = &NHD_640480MF_ATXI_pdata_5_6 ; | else | lcdc_pdata = &NHD_480272MF_ATXI_pdata_4; | | lcdc_pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count; | | if (am33xx_register_lcdc(lcdc_pdata)) | pr_info("Failed to register LCDC device\n"); | | return; | } | | struct da8xx_lcdc_platform_data NHD_800600MF_ATXI_pdata_8 = { <---------+ .manu_name = "NHD", .controller_data = &lcd_cfg, .type = "NHD-8.0-ATXI#-T-1", ----------+ }; | | kernel/drivers/video/da8xx-fb.c | static struct da8xx_panel known_lcd_panels[] = { <---------+ ... ... [5] = { .name = "NHD-8.0-ATXI#-T-1", .width = 800, .height = 600, .hfp = 112,//150,//150,//70, //150,//100, //112 .hbp = 88,//70,//70, //150,//50, //88 .hsw = 48,//46,//46,//83,//50, //48 .vfp = 21,//8, //8, //15,//20, //21 .vbp = 39,//8,//8,//15,//20, //39 .vsw = 3,//4,//4,//5,//8, //3 .pxl_clk =40000000,//36700000, //32000000, //36700000, //40000000, .invert_pxl_clk = 1,// 0, //1, }, ... ... };

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轉載于:https://www.cnblogs.com/helloworldtoyou/p/5439379.html

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