kernel/drivers/gpu/drm/msm/dsi/dsi_cfg.c

   1 /*
   2  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 and
   6  * only version 2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #include "dsi_cfg.h"
  15
  16 /* DSI v2 has not been supported by now */
  17 static const struct msm_dsi_config dsi_v2_cfg = {
  18         .io_offset = 0,
  19 };
  20
  21 static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
  22         .io_offset = DSI_6G_REG_SHIFT,
  23         .reg_cfg = {
  24                 .num = 4,
  25                 .regs = {
  26                         {"gdsc", -1, -1, -1, -1},
  27                         {"vdd", 3000000, 3000000, 150000, 100},
  28                         {"vdda", 1200000, 1200000, 100000, 100},
  29                         {"vddio", 1800000, 1800000, 100000, 100},
  30                 },
  31         },
  32 };
  33
  34 static const struct msm_dsi_config msm8916_dsi_cfg = {
  35         .io_offset = DSI_6G_REG_SHIFT,
  36         .reg_cfg = {
  37                 .num = 4,
  38                 .regs = {
  39                         {"gdsc", -1, -1, -1, -1},
  40                         {"vdd", 2850000, 2850000, 100000, 100},
  41                         {"vdda", 1200000, 1200000, 100000, 100},
  42                         {"vddio", 1800000, 1800000, 100000, 100},
  43                 },
  44         },
  45 };
  46
  47 static const struct msm_dsi_config msm8994_dsi_cfg = {
  48         .io_offset = DSI_6G_REG_SHIFT,
  49         .reg_cfg = {
  50                 .num = 7,
  51                 .regs = {
  52                         {"gdsc", -1, -1, -1, -1},
  53                         {"vdda", 1250000, 1250000, 100000, 100},
  54                         {"vddio", 1800000, 1800000, 100000, 100},
  55                         {"vcca", 1000000, 1000000, 10000, 100},
  56                         {"vdd", 1800000, 1800000, 100000, 100},
  57                         {"lab_reg", -1, -1, -1, -1},
  58                         {"ibb_reg", -1, -1, -1, -1},
  59                 },
  60         }
  61 };
  62
  63 static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
  64         {MSM_DSI_VER_MAJOR_V2, U32_MAX, &dsi_v2_cfg},
  65         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_0,
  66                                                 &msm8974_apq8084_dsi_cfg},
  67         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1,
  68                                                 &msm8974_apq8084_dsi_cfg},
  69         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1_1,
  70                                                 &msm8974_apq8084_dsi_cfg},
  71         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_2,
  72                                                 &msm8974_apq8084_dsi_cfg},
  73         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3, &msm8994_dsi_cfg},
  74         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3_1, &msm8916_dsi_cfg},
  75 };
  76
  77 const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
  78 {
  79         const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
  80         int i;
  81
  82         for (i = ARRAY_SIZE(dsi_cfg_handlers) - 1; i >= 0; i--) {
  83                 if ((dsi_cfg_handlers[i].major == major) &&
  84                         (dsi_cfg_handlers[i].minor == minor)) {
  85                         cfg_hnd = &dsi_cfg_handlers[i];
  86                         break;
  87                 }
  88         }
  89
  90         return cfg_hnd;
  91 }
  92