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 static const char * const dsi_v2_bus_clk_names[] = {
  17         "core_mmss_clk", "iface_clk", "bus_clk",
  18 };
  19
  20 static const struct msm_dsi_config apq8064_dsi_cfg = {
  21         .io_offset = 0,
  22         .reg_cfg = {
  23                 .num = 3,
  24                 .regs = {
  25                         {"vdda", 100000, 100},  /* 1.2 V */
  26                         {"avdd", 10000, 100},   /* 3.0 V */
  27                         {"vddio", 100000, 100}, /* 1.8 V */
  28                 },
  29         },
  30         .bus_clk_names = dsi_v2_bus_clk_names,
  31         .num_bus_clks = ARRAY_SIZE(dsi_v2_bus_clk_names),
  32         .io_start = { 0x4700000, 0x5800000 },
  33         .num_dsi = 2,
  34 };
  35
  36 static const char * const dsi_6g_bus_clk_names[] = {
  37         "mdp_core_clk", "iface_clk", "bus_clk", "core_mmss_clk",
  38 };
  39
  40 static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
  41         .io_offset = DSI_6G_REG_SHIFT,
  42         .reg_cfg = {
  43                 .num = 4,
  44                 .regs = {
  45                         {"gdsc", -1, -1},
  46                         {"vdd", 150000, 100},   /* 3.0 V */
  47                         {"vdda", 100000, 100},  /* 1.2 V */
  48                         {"vddio", 100000, 100}, /* 1.8 V */
  49                 },
  50         },
  51         .bus_clk_names = dsi_6g_bus_clk_names,
  52         .num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
  53         .io_start = { 0xfd922800, 0xfd922b00 },
  54         .num_dsi = 2,
  55 };
  56
  57 static const char * const dsi_8916_bus_clk_names[] = {
  58         "mdp_core_clk", "iface_clk", "bus_clk",
  59 };
  60
  61 static const struct msm_dsi_config msm8916_dsi_cfg = {
  62         .io_offset = DSI_6G_REG_SHIFT,
  63         .reg_cfg = {
  64                 .num = 3,
  65                 .regs = {
  66                         {"gdsc", -1, -1},
  67                         {"vdda", 100000, 100},  /* 1.2 V */
  68                         {"vddio", 100000, 100}, /* 1.8 V */
  69                 },
  70         },
  71         .bus_clk_names = dsi_8916_bus_clk_names,
  72         .num_bus_clks = ARRAY_SIZE(dsi_8916_bus_clk_names),
  73         .io_start = { 0x1a98000 },
  74         .num_dsi = 1,
  75 };
  76
  77 static const struct msm_dsi_config msm8994_dsi_cfg = {
  78         .io_offset = DSI_6G_REG_SHIFT,
  79         .reg_cfg = {
  80                 .num = 7,
  81                 .regs = {
  82                         {"gdsc", -1, -1},
  83                         {"vdda", 100000, 100},  /* 1.25 V */
  84                         {"vddio", 100000, 100}, /* 1.8 V */
  85                         {"vcca", 10000, 100},   /* 1.0 V */
  86                         {"vdd", 100000, 100},   /* 1.8 V */
  87                         {"lab_reg", -1, -1},
  88                         {"ibb_reg", -1, -1},
  89                 },
  90         },
  91         .bus_clk_names = dsi_6g_bus_clk_names,
  92         .num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
  93         .io_start = { 0xfd998000, 0xfd9a0000 },
  94         .num_dsi = 2,
  95 };
  96
  97 static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
  98         {MSM_DSI_VER_MAJOR_V2, MSM_DSI_V2_VER_MINOR_8064, &apq8064_dsi_cfg},
  99         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_0,
 100                                                 &msm8974_apq8084_dsi_cfg},
 101         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1,
 102                                                 &msm8974_apq8084_dsi_cfg},
 103         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1_1,
 104                                                 &msm8974_apq8084_dsi_cfg},
 105         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_2,
 106                                                 &msm8974_apq8084_dsi_cfg},
 107         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3, &msm8994_dsi_cfg},
 108         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3_1, &msm8916_dsi_cfg},
 109 };
 110
 111 const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
 112 {
 113         const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
 114         int i;
 115
 116         for (i = ARRAY_SIZE(dsi_cfg_handlers) - 1; i >= 0; i--) {
 117                 if ((dsi_cfg_handlers[i].major == major) &&
 118                         (dsi_cfg_handlers[i].minor == minor)) {
 119                         cfg_hnd = &dsi_cfg_handlers[i];
 120                         break;
 121                 }
 122         }
 123
 124         return cfg_hnd;
 125 }
 126