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kernel/linux-rt-4.4.41/drivers/gpu/drm/msm/dsi/dsi_cfg.c 2.57 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (c) 2015, The Linux Foundation. All rights reserved.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 and
   * only version 2 as published by the Free Software Foundation.
   *
   * 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 "dsi_cfg.h"
  
  /* DSI v2 has not been supported by now */
  static const struct msm_dsi_config dsi_v2_cfg = {
  	.io_offset = 0,
  };
  
  static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
  	.io_offset = DSI_6G_REG_SHIFT,
  	.reg_cfg = {
  		.num = 4,
  		.regs = {
  			{"gdsc", -1, -1, -1, -1},
  			{"vdd", 3000000, 3000000, 150000, 100},
  			{"vdda", 1200000, 1200000, 100000, 100},
  			{"vddio", 1800000, 1800000, 100000, 100},
  		},
  	},
  };
  
  static const struct msm_dsi_config msm8916_dsi_cfg = {
  	.io_offset = DSI_6G_REG_SHIFT,
  	.reg_cfg = {
  		.num = 4,
  		.regs = {
  			{"gdsc", -1, -1, -1, -1},
  			{"vdd", 2850000, 2850000, 100000, 100},
  			{"vdda", 1200000, 1200000, 100000, 100},
  			{"vddio", 1800000, 1800000, 100000, 100},
  		},
  	},
  };
  
  static const struct msm_dsi_config msm8994_dsi_cfg = {
  	.io_offset = DSI_6G_REG_SHIFT,
  	.reg_cfg = {
  		.num = 7,
  		.regs = {
  			{"gdsc", -1, -1, -1, -1},
  			{"vdda", 1250000, 1250000, 100000, 100},
  			{"vddio", 1800000, 1800000, 100000, 100},
  			{"vcca", 1000000, 1000000, 10000, 100},
  			{"vdd", 1800000, 1800000, 100000, 100},
  			{"lab_reg", -1, -1, -1, -1},
  			{"ibb_reg", -1, -1, -1, -1},
  		},
  	}
  };
  
  static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
  	{MSM_DSI_VER_MAJOR_V2, U32_MAX, &dsi_v2_cfg},
  	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_0,
  						&msm8974_apq8084_dsi_cfg},
  	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1,
  						&msm8974_apq8084_dsi_cfg},
  	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1_1,
  						&msm8974_apq8084_dsi_cfg},
  	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_2,
  						&msm8974_apq8084_dsi_cfg},
  	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3, &msm8994_dsi_cfg},
  	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3_1, &msm8916_dsi_cfg},
  };
  
  const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
  {
  	const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
  	int i;
  
  	for (i = ARRAY_SIZE(dsi_cfg_handlers) - 1; i >= 0; i--) {
  		if ((dsi_cfg_handlers[i].major == major) &&
  			(dsi_cfg_handlers[i].minor == minor)) {
  			cfg_hnd = &dsi_cfg_handlers[i];
  			break;
  		}
  	}
  
  	return cfg_hnd;
  }