target/linux/bcm27xx/patches-6.1/950-0511-drm-panel-panel-ilitek9881c-Crystalfontz-support.patch

   1 From 87125150ecb1a21daff9a95165d4357f80d68ec6 Mon Sep 17 00:00:00 2001
   2 From: Mark Williams <mwp@mwp.id.au>
   3 Date: Wed, 7 Dec 2022 19:55:15 -0700
   4 Subject: [PATCH] drm/panel: panel-ilitek9881c: Crystalfontz support
   5
   6 Add support for Crystalfontz CFAF7201280A0-050Tx panel.
   7
   8 Signed-off-by: Mark Williams <mwp@mwp.id.au>
   9 ---
  10  drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 229 ++++++++++++++++++
  11  1 file changed, 229 insertions(+)
  12
  13 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
  14 +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
  15 @@ -3,6 +3,7 @@
  16   * Copyright (C) 2017-2018, Bootlin
  17   * Copyright (C) 2021, Henson Li <henson@cutiepi.io>
  18   * Copyright (C) 2021, Penk Chen <penk@cutiepi.io>
  19 + * Copyright (C) 2022, Mark Williams <mark@crystalfontz.com>
  20   */
  21
  22  #include <linux/delay.h>
  23 @@ -887,6 +888,212 @@ static const struct ili9881c_instr w5529
  24         ILI9881C_SWITCH_PAGE_INSTR(0),
  25  };
  26
  27 +static const struct ili9881c_instr cfaf7201280a0_050tx_init[] = {
  28 +       //ILI9881C PAGE3
  29 +       ILI9881C_SWITCH_PAGE_INSTR(3),
  30 +       //GIP_1
  31 +       ILI9881C_COMMAND_INSTR(0x01, 0x00), //added
  32 +       ILI9881C_COMMAND_INSTR(0x02, 0x00),
  33 +       ILI9881C_COMMAND_INSTR(0x03, 0x73),
  34 +       ILI9881C_COMMAND_INSTR(0x04, 0x00),
  35 +       ILI9881C_COMMAND_INSTR(0x05, 0x00),
  36 +       ILI9881C_COMMAND_INSTR(0x06, 0x0A),
  37 +       ILI9881C_COMMAND_INSTR(0x07, 0x00),
  38 +       ILI9881C_COMMAND_INSTR(0x08, 0x00),
  39 +       ILI9881C_COMMAND_INSTR(0x09, 0x01),
  40 +       ILI9881C_COMMAND_INSTR(0x0A, 0x00),
  41 +       ILI9881C_COMMAND_INSTR(0x0B, 0x00),
  42 +       ILI9881C_COMMAND_INSTR(0x0C, 0x01),
  43 +       ILI9881C_COMMAND_INSTR(0x0D, 0x00),
  44 +       ILI9881C_COMMAND_INSTR(0x0E, 0x00),
  45 +       ILI9881C_COMMAND_INSTR(0x0F, 0x1D),
  46 +       ILI9881C_COMMAND_INSTR(0x10, 0x1D),
  47 +       ILI9881C_COMMAND_INSTR(0x11, 0x00),
  48 +       ILI9881C_COMMAND_INSTR(0x12, 0x00),
  49 +       ILI9881C_COMMAND_INSTR(0x13, 0x00),
  50 +       ILI9881C_COMMAND_INSTR(0x14, 0x00),
  51 +       ILI9881C_COMMAND_INSTR(0x15, 0x00),
  52 +       ILI9881C_COMMAND_INSTR(0x16, 0x00),
  53 +       ILI9881C_COMMAND_INSTR(0x17, 0x00),
  54 +       ILI9881C_COMMAND_INSTR(0x18, 0x00),
  55 +       ILI9881C_COMMAND_INSTR(0x19, 0x00),
  56 +       ILI9881C_COMMAND_INSTR(0x1A, 0x00),
  57 +       ILI9881C_COMMAND_INSTR(0x1B, 0x00),
  58 +       ILI9881C_COMMAND_INSTR(0x1C, 0x00),
  59 +       ILI9881C_COMMAND_INSTR(0x1D, 0x00),
  60 +       ILI9881C_COMMAND_INSTR(0x1E, 0x40),
  61 +       ILI9881C_COMMAND_INSTR(0x1F, 0x80),
  62 +       ILI9881C_COMMAND_INSTR(0x20, 0x06),
  63 +       ILI9881C_COMMAND_INSTR(0x21, 0x02),
  64 +       ILI9881C_COMMAND_INSTR(0x22, 0x00),
  65 +       ILI9881C_COMMAND_INSTR(0x23, 0x00),
  66 +       ILI9881C_COMMAND_INSTR(0x24, 0x00),
  67 +       ILI9881C_COMMAND_INSTR(0x25, 0x00),
  68 +       ILI9881C_COMMAND_INSTR(0x26, 0x00),
  69 +       ILI9881C_COMMAND_INSTR(0x27, 0x00),
  70 +       ILI9881C_COMMAND_INSTR(0x28, 0x33),
  71 +       ILI9881C_COMMAND_INSTR(0x29, 0x03),
  72 +       ILI9881C_COMMAND_INSTR(0x2A, 0x00),
  73 +       ILI9881C_COMMAND_INSTR(0x2B, 0x00),
  74 +       ILI9881C_COMMAND_INSTR(0x2C, 0x00),
  75 +       ILI9881C_COMMAND_INSTR(0x2D, 0x00),
  76 +       ILI9881C_COMMAND_INSTR(0x2E, 0x00),
  77 +       ILI9881C_COMMAND_INSTR(0x2F, 0x00),
  78 +       ILI9881C_COMMAND_INSTR(0x30, 0x00),
  79 +       ILI9881C_COMMAND_INSTR(0x31, 0x00),
  80 +       ILI9881C_COMMAND_INSTR(0x32, 0x00),
  81 +       ILI9881C_COMMAND_INSTR(0x33, 0x00),
  82 +       ILI9881C_COMMAND_INSTR(0x34, 0x04),
  83 +       ILI9881C_COMMAND_INSTR(0x35, 0x00),
  84 +       ILI9881C_COMMAND_INSTR(0x36, 0x00),
  85 +       ILI9881C_COMMAND_INSTR(0x37, 0x00),
  86 +       ILI9881C_COMMAND_INSTR(0x38, 0x3C),
  87 +       ILI9881C_COMMAND_INSTR(0x39, 0x00),
  88 +       ILI9881C_COMMAND_INSTR(0x3A, 0x40),
  89 +       ILI9881C_COMMAND_INSTR(0x3B, 0x40),
  90 +       ILI9881C_COMMAND_INSTR(0x3C, 0x00),
  91 +       ILI9881C_COMMAND_INSTR(0x3D, 0x00),
  92 +       ILI9881C_COMMAND_INSTR(0x3E, 0x00),
  93 +       ILI9881C_COMMAND_INSTR(0x3F, 0x00),
  94 +       ILI9881C_COMMAND_INSTR(0x40, 0x00),
  95 +       ILI9881C_COMMAND_INSTR(0x41, 0x00),
  96 +       ILI9881C_COMMAND_INSTR(0x42, 0x00),
  97 +       ILI9881C_COMMAND_INSTR(0x43, 0x00),
  98 +       ILI9881C_COMMAND_INSTR(0x44, 0x00),
  99 +       //GIP_2
 100 +       ILI9881C_COMMAND_INSTR(0x50, 0x01),
 101 +       ILI9881C_COMMAND_INSTR(0x51, 0x23),
 102 +       ILI9881C_COMMAND_INSTR(0x52, 0x45),
 103 +       ILI9881C_COMMAND_INSTR(0x53, 0x67),
 104 +       ILI9881C_COMMAND_INSTR(0x54, 0x89),
 105 +       ILI9881C_COMMAND_INSTR(0x55, 0xAB),
 106 +       ILI9881C_COMMAND_INSTR(0x56, 0x01),
 107 +       ILI9881C_COMMAND_INSTR(0x57, 0x23),
 108 +       ILI9881C_COMMAND_INSTR(0x58, 0x45),
 109 +       ILI9881C_COMMAND_INSTR(0x59, 0x67),
 110 +       ILI9881C_COMMAND_INSTR(0x5A, 0x89),
 111 +       ILI9881C_COMMAND_INSTR(0x5B, 0xAB),
 112 +       ILI9881C_COMMAND_INSTR(0x5C, 0xCD),
 113 +       ILI9881C_COMMAND_INSTR(0x5D, 0xEF),
 114 +       //GIP_3
 115 +       ILI9881C_COMMAND_INSTR(0x5E, 0x11),
 116 +       ILI9881C_COMMAND_INSTR(0x5F, 0x01),
 117 +       ILI9881C_COMMAND_INSTR(0x60, 0x00),
 118 +       ILI9881C_COMMAND_INSTR(0x61, 0x15),
 119 +       ILI9881C_COMMAND_INSTR(0x62, 0x14),
 120 +       ILI9881C_COMMAND_INSTR(0x63, 0x0E),
 121 +       ILI9881C_COMMAND_INSTR(0x64, 0x0F),
 122 +       ILI9881C_COMMAND_INSTR(0x65, 0x0C),
 123 +       ILI9881C_COMMAND_INSTR(0x66, 0x0D),
 124 +       ILI9881C_COMMAND_INSTR(0x67, 0x06),
 125 +       ILI9881C_COMMAND_INSTR(0x68, 0x02),
 126 +       ILI9881C_COMMAND_INSTR(0x69, 0x07),
 127 +       ILI9881C_COMMAND_INSTR(0x6A, 0x02),
 128 +       ILI9881C_COMMAND_INSTR(0x6B, 0x02),
 129 +       ILI9881C_COMMAND_INSTR(0x6C, 0x02),
 130 +       ILI9881C_COMMAND_INSTR(0x6D, 0x02),
 131 +       ILI9881C_COMMAND_INSTR(0x6E, 0x02),
 132 +       ILI9881C_COMMAND_INSTR(0x6F, 0x02),
 133 +       ILI9881C_COMMAND_INSTR(0x70, 0x02),
 134 +       ILI9881C_COMMAND_INSTR(0x71, 0x02),
 135 +       ILI9881C_COMMAND_INSTR(0x72, 0x02),
 136 +       ILI9881C_COMMAND_INSTR(0x73, 0x02),
 137 +       ILI9881C_COMMAND_INSTR(0x74, 0x02),
 138 +       ILI9881C_COMMAND_INSTR(0x75, 0x01),
 139 +       ILI9881C_COMMAND_INSTR(0x76, 0x00),
 140 +       ILI9881C_COMMAND_INSTR(0x77, 0x14),
 141 +       ILI9881C_COMMAND_INSTR(0x78, 0x15),
 142 +       ILI9881C_COMMAND_INSTR(0x79, 0x0E),
 143 +       ILI9881C_COMMAND_INSTR(0x7A, 0x0F),
 144 +       ILI9881C_COMMAND_INSTR(0x7B, 0x0C),
 145 +       ILI9881C_COMMAND_INSTR(0x7C, 0x0D),
 146 +       ILI9881C_COMMAND_INSTR(0x7D, 0x06),
 147 +       ILI9881C_COMMAND_INSTR(0x7E, 0x02),
 148 +       ILI9881C_COMMAND_INSTR(0x7F, 0x07),
 149 +       ILI9881C_COMMAND_INSTR(0x80, 0x02),
 150 +       ILI9881C_COMMAND_INSTR(0x81, 0x02),
 151 +       ILI9881C_COMMAND_INSTR(0x82, 0x02),
 152 +       ILI9881C_COMMAND_INSTR(0x83, 0x02),
 153 +       ILI9881C_COMMAND_INSTR(0x84, 0x02),
 154 +       ILI9881C_COMMAND_INSTR(0x85, 0x02),
 155 +       ILI9881C_COMMAND_INSTR(0x86, 0x02),
 156 +       ILI9881C_COMMAND_INSTR(0x87, 0x02),
 157 +       ILI9881C_COMMAND_INSTR(0x88, 0x02),
 158 +       ILI9881C_COMMAND_INSTR(0x89, 0x02),
 159 +       ILI9881C_COMMAND_INSTR(0x8A, 0x02),
 160 +       //ILI9881C PAGE4
 161 +       ILI9881C_SWITCH_PAGE_INSTR(4),
 162 +       ILI9881C_COMMAND_INSTR(0x6C, 0x15),
 163 +       ILI9881C_COMMAND_INSTR(0x6E, 0x2B),
 164 +       // VGH & VGL OUTPUT
 165 +       ILI9881C_COMMAND_INSTR(0x6F, 0x33),
 166 +       ILI9881C_COMMAND_INSTR(0x8D, 0x18),
 167 +       ILI9881C_COMMAND_INSTR(0x87, 0xBA),
 168 +       ILI9881C_COMMAND_INSTR(0x26, 0x76),
 169 +       //Reload Gamma setting
 170 +       ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
 171 +       ILI9881C_COMMAND_INSTR(0xB5, 0x06),
 172 +       ILI9881C_COMMAND_INSTR(0x3A, 0x24),
 173 +       ILI9881C_COMMAND_INSTR(0x35, 0x1F),
 174 +
 175 +       //ILI9881C PAGE1
 176 +       ILI9881C_SWITCH_PAGE_INSTR(1),
 177 +       ILI9881C_COMMAND_INSTR(0x22, 0x09),
 178 +       //Column inversion
 179 +       ILI9881C_COMMAND_INSTR(0x31, 0x00),
 180 +       ILI9881C_COMMAND_INSTR(0x40, 0x33),
 181 +       ILI9881C_COMMAND_INSTR(0x53, 0xA2),
 182 +       ILI9881C_COMMAND_INSTR(0x55, 0x92),
 183 +       ILI9881C_COMMAND_INSTR(0x50, 0x96),
 184 +       ILI9881C_COMMAND_INSTR(0x51, 0x96),
 185 +       ILI9881C_COMMAND_INSTR(0x60, 0x22),
 186 +       ILI9881C_COMMAND_INSTR(0x61, 0x00),
 187 +       ILI9881C_COMMAND_INSTR(0x62, 0x19),
 188 +       ILI9881C_COMMAND_INSTR(0x63, 0x00),
 189 +       //---P-GAMMA START---
 190 +       ILI9881C_COMMAND_INSTR(0xA0, 0x08),
 191 +       ILI9881C_COMMAND_INSTR(0xA1, 0x11),
 192 +       ILI9881C_COMMAND_INSTR(0xA2, 0x19),
 193 +       ILI9881C_COMMAND_INSTR(0xA3, 0x0D),
 194 +       ILI9881C_COMMAND_INSTR(0xA4, 0x0D),
 195 +       ILI9881C_COMMAND_INSTR(0xA5, 0x1E),
 196 +       ILI9881C_COMMAND_INSTR(0xA6, 0x14),
 197 +       ILI9881C_COMMAND_INSTR(0xA7, 0x17),
 198 +       ILI9881C_COMMAND_INSTR(0xA8, 0x4F),
 199 +       ILI9881C_COMMAND_INSTR(0xA9, 0x1A),
 200 +       ILI9881C_COMMAND_INSTR(0xAA, 0x27),
 201 +       ILI9881C_COMMAND_INSTR(0xAB, 0x49),
 202 +       ILI9881C_COMMAND_INSTR(0xAC, 0x1A),
 203 +       ILI9881C_COMMAND_INSTR(0xAD, 0x18),
 204 +       ILI9881C_COMMAND_INSTR(0xAE, 0x4C),
 205 +       ILI9881C_COMMAND_INSTR(0xAF, 0x22),
 206 +       ILI9881C_COMMAND_INSTR(0xB0, 0x27),
 207 +       ILI9881C_COMMAND_INSTR(0xB1, 0x4B),
 208 +       ILI9881C_COMMAND_INSTR(0xB2, 0x60),
 209 +       ILI9881C_COMMAND_INSTR(0xB3, 0x39),
 210 +       //--- N-GAMMA START---
 211 +       ILI9881C_COMMAND_INSTR(0xC0, 0x08),
 212 +       ILI9881C_COMMAND_INSTR(0xC1, 0x11),
 213 +       ILI9881C_COMMAND_INSTR(0xC2, 0x19),
 214 +       ILI9881C_COMMAND_INSTR(0xC3, 0x0D),
 215 +       ILI9881C_COMMAND_INSTR(0xC4, 0x0D),
 216 +       ILI9881C_COMMAND_INSTR(0xC5, 0x1E),
 217 +       ILI9881C_COMMAND_INSTR(0xC6, 0x14),
 218 +       ILI9881C_COMMAND_INSTR(0xC7, 0x17),
 219 +       ILI9881C_COMMAND_INSTR(0xC8, 0x4F),
 220 +       ILI9881C_COMMAND_INSTR(0xC9, 0x1A),
 221 +       ILI9881C_COMMAND_INSTR(0xCA, 0x27),
 222 +       ILI9881C_COMMAND_INSTR(0xCB, 0x49),
 223 +       ILI9881C_COMMAND_INSTR(0xCC, 0x1A),
 224 +       ILI9881C_COMMAND_INSTR(0xCD, 0x18),
 225 +       ILI9881C_COMMAND_INSTR(0xCE, 0x4C),
 226 +       ILI9881C_COMMAND_INSTR(0xCF, 0x33),
 227 +       ILI9881C_COMMAND_INSTR(0xD0, 0x27),
 228 +       ILI9881C_COMMAND_INSTR(0xD1, 0x4B),
 229 +       ILI9881C_COMMAND_INSTR(0xD2, 0x60),
 230 +       ILI9881C_COMMAND_INSTR(0xD3, 0x39),
 231 +};
 232 +
 233  static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
 234  {
 235         return container_of(panel, struct ili9881c, panel);
 236 @@ -1071,6 +1278,20 @@ static const struct drm_display_mode w55
 237         .height_mm      = 121,
 238  };
 239
 240 +static const struct drm_display_mode cfaf7201280a0_050tx_default_mode = {
 241 +       .clock          = 72830,
 242 +       .hdisplay       = 720,
 243 +       .hsync_start    = 720 + 87,
 244 +       .hsync_end      = 720 + 87 + 20,
 245 +       .htotal         = 720 + 87 + 20 + 87,
 246 +       .vdisplay       = 1280,
 247 +       .vsync_start    = 1280 + 16,
 248 +       .vsync_end      = 1280 + 16 + 8,
 249 +       .vtotal         = 1280 + 16 + 8 + 16,
 250 +       .width_mm       = 62,
 251 +       .height_mm      = 1108
 252 +};
 253 +
 254  static int ili9881c_get_modes(struct drm_panel *panel,
 255                               struct drm_connector *connector)
 256  {
 257 @@ -1206,11 +1427,19 @@ static const struct ili9881c_desc w55294
 258                       MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET,
 259  };
 260
 261 +static const struct ili9881c_desc cfaf7201280a0_050tx_desc = {
 262 +       .init = cfaf7201280a0_050tx_init,
 263 +       .init_length = ARRAY_SIZE(cfaf7201280a0_050tx_init),
 264 +       .mode = &cfaf7201280a0_050tx_default_mode,
 265 +       .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO,
 266 +};
 267 +
 268  static const struct of_device_id ili9881c_of_match[] = {
 269         { .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
 270         { .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
 271         { .compatible = "nwe,nwe080", .data = &nwe080_desc },
 272         { .compatible = "wanchanglong,w552946aba", .data = &w552946aba_desc },
 273 +       { .compatible = "crystalfontz,cfaf7201280a0_050tx", .data = &cfaf7201280a0_050tx_desc },
 274         { }
 275  };
 276  MODULE_DEVICE_TABLE(of, ili9881c_of_match);