target/linux/bcm27xx/patches-5.15/950-0638-Extending-ili9881c-driver-support-for-nwe080-panel.patch

   1 From 813cf77a25bbcd6233822ef05c40545c12e09bec Mon Sep 17 00:00:00 2001
   2 From: Penk Chen <penk@cutiepi.io>
   3 Date: Mon, 20 Dec 2021 03:44:56 +0900
   4 Subject: [PATCH] Extending ili9881c driver support for nwe080 panel
   5
   6 Signed-off-by: Penk Chen <penk@cutiepi.io>
   7 ---
   8  drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 253 +++++++++++++++++-
   9  1 file changed, 251 insertions(+), 2 deletions(-)
  10
  11 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
  12 +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
  13 @@ -1,6 +1,8 @@
  14  // SPDX-License-Identifier: GPL-2.0
  15  /*
  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   */
  20
  21  #include <linux/delay.h>
  22 @@ -42,6 +44,7 @@ struct ili9881c_desc {
  23         const struct ili9881c_instr *init;
  24         const size_t init_length;
  25         const struct drm_display_mode *mode;
  26 +       const unsigned flags;
  27  };
  28
  29  struct ili9881c {
  30 @@ -453,6 +456,225 @@ static const struct ili9881c_instr k101_
  31         ILI9881C_COMMAND_INSTR(0xD3, 0x3F), /* VN0 */
  32  };
  33
  34 +static const struct ili9881c_instr nwe080_init[] = {
  35 +       ILI9881C_SWITCH_PAGE_INSTR(3),
  36 +       //GIP_1
  37 +       ILI9881C_COMMAND_INSTR(0x01, 0x00),
  38 +       ILI9881C_COMMAND_INSTR(0x02, 0x00),
  39 +       ILI9881C_COMMAND_INSTR(0x03, 0x73),
  40 +       ILI9881C_COMMAND_INSTR(0x04, 0x00),
  41 +       ILI9881C_COMMAND_INSTR(0x05, 0x00),
  42 +       ILI9881C_COMMAND_INSTR(0x06, 0x0A),
  43 +       ILI9881C_COMMAND_INSTR(0x07, 0x00),
  44 +       ILI9881C_COMMAND_INSTR(0x08, 0x00),
  45 +       ILI9881C_COMMAND_INSTR(0x09, 0x20),
  46 +       ILI9881C_COMMAND_INSTR(0x0a, 0x20),
  47 +       ILI9881C_COMMAND_INSTR(0x0b, 0x00),
  48 +       ILI9881C_COMMAND_INSTR(0x0c, 0x00),
  49 +       ILI9881C_COMMAND_INSTR(0x0d, 0x00),
  50 +       ILI9881C_COMMAND_INSTR(0x0e, 0x00),
  51 +       ILI9881C_COMMAND_INSTR(0x0f, 0x1E),
  52 +       ILI9881C_COMMAND_INSTR(0x10, 0x1E),
  53 +       ILI9881C_COMMAND_INSTR(0x11, 0x00),
  54 +       ILI9881C_COMMAND_INSTR(0x12, 0x00),
  55 +       ILI9881C_COMMAND_INSTR(0x13, 0x00),
  56 +       ILI9881C_COMMAND_INSTR(0x14, 0x00),
  57 +       ILI9881C_COMMAND_INSTR(0x15, 0x00),
  58 +       ILI9881C_COMMAND_INSTR(0x16, 0x00),
  59 +       ILI9881C_COMMAND_INSTR(0x17, 0x00),
  60 +       ILI9881C_COMMAND_INSTR(0x18, 0x00),
  61 +       ILI9881C_COMMAND_INSTR(0x19, 0x00),
  62 +       ILI9881C_COMMAND_INSTR(0x1A, 0x00),
  63 +       ILI9881C_COMMAND_INSTR(0x1B, 0x00),
  64 +       ILI9881C_COMMAND_INSTR(0x1C, 0x00),
  65 +       ILI9881C_COMMAND_INSTR(0x1D, 0x00),
  66 +       ILI9881C_COMMAND_INSTR(0x1E, 0x40),
  67 +       ILI9881C_COMMAND_INSTR(0x1F, 0x80),
  68 +       ILI9881C_COMMAND_INSTR(0x20, 0x06),
  69 +       ILI9881C_COMMAND_INSTR(0x21, 0x01),
  70 +       ILI9881C_COMMAND_INSTR(0x22, 0x00),
  71 +       ILI9881C_COMMAND_INSTR(0x23, 0x00),
  72 +       ILI9881C_COMMAND_INSTR(0x24, 0x00),
  73 +       ILI9881C_COMMAND_INSTR(0x25, 0x00),
  74 +       ILI9881C_COMMAND_INSTR(0x26, 0x00),
  75 +       ILI9881C_COMMAND_INSTR(0x27, 0x00),
  76 +       ILI9881C_COMMAND_INSTR(0x28, 0x33),
  77 +       ILI9881C_COMMAND_INSTR(0x29, 0x03),
  78 +       ILI9881C_COMMAND_INSTR(0x2A, 0x00),
  79 +       ILI9881C_COMMAND_INSTR(0x2B, 0x00),
  80 +       ILI9881C_COMMAND_INSTR(0x2C, 0x00),
  81 +       ILI9881C_COMMAND_INSTR(0x2D, 0x00),
  82 +       ILI9881C_COMMAND_INSTR(0x2E, 0x00),
  83 +       ILI9881C_COMMAND_INSTR(0x2F, 0x00),
  84 +       ILI9881C_COMMAND_INSTR(0x30, 0x00),
  85 +       ILI9881C_COMMAND_INSTR(0x31, 0x00),
  86 +       ILI9881C_COMMAND_INSTR(0x32, 0x00),
  87 +       ILI9881C_COMMAND_INSTR(0x33, 0x00),
  88 +       ILI9881C_COMMAND_INSTR(0x34, 0x04),
  89 +       ILI9881C_COMMAND_INSTR(0x35, 0x00),
  90 +       ILI9881C_COMMAND_INSTR(0x36, 0x00),
  91 +       ILI9881C_COMMAND_INSTR(0x37, 0x00),
  92 +       ILI9881C_COMMAND_INSTR(0x38, 0x3C),
  93 +       ILI9881C_COMMAND_INSTR(0x39, 0x00),
  94 +       ILI9881C_COMMAND_INSTR(0x3A, 0x00),
  95 +       ILI9881C_COMMAND_INSTR(0x3B, 0x00),
  96 +       ILI9881C_COMMAND_INSTR(0x3C, 0x00),
  97 +       ILI9881C_COMMAND_INSTR(0x3D, 0x00),
  98 +       ILI9881C_COMMAND_INSTR(0x3E, 0x00),
  99 +       ILI9881C_COMMAND_INSTR(0x3F, 0x00),
 100 +       ILI9881C_COMMAND_INSTR(0x40, 0x00),
 101 +       ILI9881C_COMMAND_INSTR(0x41, 0x00),
 102 +       ILI9881C_COMMAND_INSTR(0x42, 0x00),
 103 +       ILI9881C_COMMAND_INSTR(0x43, 0x00),
 104 +       ILI9881C_COMMAND_INSTR(0x44, 0x00),
 105 +
 106 +       ILI9881C_COMMAND_INSTR(0x50, 0x10),
 107 +       ILI9881C_COMMAND_INSTR(0x51, 0x32),
 108 +       ILI9881C_COMMAND_INSTR(0x52, 0x54),
 109 +       ILI9881C_COMMAND_INSTR(0x53, 0x76),
 110 +       ILI9881C_COMMAND_INSTR(0x54, 0x98),
 111 +       ILI9881C_COMMAND_INSTR(0x55, 0xba),
 112 +       ILI9881C_COMMAND_INSTR(0x56, 0x10),
 113 +       ILI9881C_COMMAND_INSTR(0x57, 0x32),
 114 +       ILI9881C_COMMAND_INSTR(0x58, 0x54),
 115 +       ILI9881C_COMMAND_INSTR(0x59, 0x76),
 116 +       ILI9881C_COMMAND_INSTR(0x5A, 0x98),
 117 +       ILI9881C_COMMAND_INSTR(0x5B, 0xba),
 118 +       ILI9881C_COMMAND_INSTR(0x5C, 0xdc),
 119 +       ILI9881C_COMMAND_INSTR(0x5D, 0xfe),
 120 +
 121 +       //GIP_3
 122 +       ILI9881C_COMMAND_INSTR(0x5E, 0x00),
 123 +       ILI9881C_COMMAND_INSTR(0x5F, 0x01),
 124 +       ILI9881C_COMMAND_INSTR(0x60, 0x00),
 125 +       ILI9881C_COMMAND_INSTR(0x61, 0x15),
 126 +       ILI9881C_COMMAND_INSTR(0x62, 0x14),
 127 +       ILI9881C_COMMAND_INSTR(0x63, 0x0E),
 128 +       ILI9881C_COMMAND_INSTR(0x64, 0x0F),
 129 +       ILI9881C_COMMAND_INSTR(0x65, 0x0C),
 130 +       ILI9881C_COMMAND_INSTR(0x66, 0x0D),
 131 +       ILI9881C_COMMAND_INSTR(0x67, 0x06),
 132 +       ILI9881C_COMMAND_INSTR(0x68, 0x02),
 133 +       ILI9881C_COMMAND_INSTR(0x69, 0x02),
 134 +       ILI9881C_COMMAND_INSTR(0x6A, 0x02),
 135 +       ILI9881C_COMMAND_INSTR(0x6B, 0x02),
 136 +       ILI9881C_COMMAND_INSTR(0x6C, 0x02),
 137 +       ILI9881C_COMMAND_INSTR(0x6D, 0x02),
 138 +       ILI9881C_COMMAND_INSTR(0x6E, 0x07),
 139 +       ILI9881C_COMMAND_INSTR(0x6F, 0x02),
 140 +       ILI9881C_COMMAND_INSTR(0x70, 0x02),
 141 +       ILI9881C_COMMAND_INSTR(0x71, 0x02),
 142 +       ILI9881C_COMMAND_INSTR(0x72, 0x02),
 143 +       ILI9881C_COMMAND_INSTR(0x73, 0x02),
 144 +       ILI9881C_COMMAND_INSTR(0x74, 0x02),
 145 +
 146 +       ILI9881C_COMMAND_INSTR(0x75, 0x01),
 147 +       ILI9881C_COMMAND_INSTR(0x76, 0x00),
 148 +       ILI9881C_COMMAND_INSTR(0x77, 0x14),
 149 +       ILI9881C_COMMAND_INSTR(0x78, 0x15),
 150 +       ILI9881C_COMMAND_INSTR(0x79, 0x0E),
 151 +       ILI9881C_COMMAND_INSTR(0x7A, 0x0F),
 152 +       ILI9881C_COMMAND_INSTR(0x7B, 0x0C),
 153 +       ILI9881C_COMMAND_INSTR(0x7C, 0x0D),
 154 +       ILI9881C_COMMAND_INSTR(0x7D, 0x06),
 155 +       ILI9881C_COMMAND_INSTR(0x7E, 0x02),
 156 +       ILI9881C_COMMAND_INSTR(0x7F, 0x02),
 157 +       ILI9881C_COMMAND_INSTR(0x80, 0x02),
 158 +       ILI9881C_COMMAND_INSTR(0x81, 0x02),
 159 +       ILI9881C_COMMAND_INSTR(0x82, 0x02),
 160 +       ILI9881C_COMMAND_INSTR(0x83, 0x02),
 161 +       ILI9881C_COMMAND_INSTR(0x84, 0x07),
 162 +       ILI9881C_COMMAND_INSTR(0x85, 0x02),
 163 +       ILI9881C_COMMAND_INSTR(0x86, 0x02),
 164 +       ILI9881C_COMMAND_INSTR(0x87, 0x02),
 165 +       ILI9881C_COMMAND_INSTR(0x88, 0x02),
 166 +       ILI9881C_COMMAND_INSTR(0x89, 0x02),
 167 +       ILI9881C_COMMAND_INSTR(0x8A, 0x02),
 168 +
 169 +       ILI9881C_SWITCH_PAGE_INSTR(4),
 170 +       ILI9881C_COMMAND_INSTR(0x6C, 0x15),
 171 +       ILI9881C_COMMAND_INSTR(0x6E, 0x2A),
 172 +
 173 +       //clamp 15V
 174 +       ILI9881C_COMMAND_INSTR(0x6F, 0x35),
 175 +       ILI9881C_COMMAND_INSTR(0x3A, 0x92),
 176 +       ILI9881C_COMMAND_INSTR(0x8D, 0x1F),
 177 +       ILI9881C_COMMAND_INSTR(0x87, 0xBA),
 178 +       ILI9881C_COMMAND_INSTR(0x26, 0x76),
 179 +       ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
 180 +       ILI9881C_COMMAND_INSTR(0xB5, 0x27),
 181 +       ILI9881C_COMMAND_INSTR(0x31, 0x75),
 182 +       ILI9881C_COMMAND_INSTR(0x30, 0x03),
 183 +       ILI9881C_COMMAND_INSTR(0x3B, 0x98),
 184 +       ILI9881C_COMMAND_INSTR(0x35, 0x17),
 185 +       ILI9881C_COMMAND_INSTR(0x33, 0x14),
 186 +       ILI9881C_COMMAND_INSTR(0x38, 0x01),
 187 +       ILI9881C_COMMAND_INSTR(0x39, 0x00),
 188 +
 189 +       ILI9881C_SWITCH_PAGE_INSTR(1),
 190 +       // direction rotate
 191 +       //ILI9881C_COMMAND_INSTR(0x22, 0x0B),
 192 +       ILI9881C_COMMAND_INSTR(0x22, 0x0A),
 193 +       ILI9881C_COMMAND_INSTR(0x31, 0x00),
 194 +       ILI9881C_COMMAND_INSTR(0x53, 0x63),
 195 +       ILI9881C_COMMAND_INSTR(0x55, 0x69),
 196 +       ILI9881C_COMMAND_INSTR(0x50, 0xC7),
 197 +       ILI9881C_COMMAND_INSTR(0x51, 0xC2),
 198 +       ILI9881C_COMMAND_INSTR(0x60, 0x26),
 199 +
 200 +       ILI9881C_COMMAND_INSTR(0xA0, 0x08),
 201 +       ILI9881C_COMMAND_INSTR(0xA1, 0x0F),
 202 +       ILI9881C_COMMAND_INSTR(0xA2, 0x25),
 203 +       ILI9881C_COMMAND_INSTR(0xA3, 0x01),
 204 +       ILI9881C_COMMAND_INSTR(0xA4, 0x23),
 205 +       ILI9881C_COMMAND_INSTR(0xA5, 0x18),
 206 +       ILI9881C_COMMAND_INSTR(0xA6, 0x11),
 207 +       ILI9881C_COMMAND_INSTR(0xA7, 0x1A),
 208 +       ILI9881C_COMMAND_INSTR(0xA8, 0x81),
 209 +       ILI9881C_COMMAND_INSTR(0xA9, 0x19),
 210 +       ILI9881C_COMMAND_INSTR(0xAA, 0x26),
 211 +       ILI9881C_COMMAND_INSTR(0xAB, 0x7C),
 212 +       ILI9881C_COMMAND_INSTR(0xAC, 0x24),
 213 +       ILI9881C_COMMAND_INSTR(0xAD, 0x1E),
 214 +       ILI9881C_COMMAND_INSTR(0xAE, 0x5C),
 215 +       ILI9881C_COMMAND_INSTR(0xAF, 0x2A),
 216 +       ILI9881C_COMMAND_INSTR(0xB0, 0x2B),
 217 +       ILI9881C_COMMAND_INSTR(0xB1, 0x50),
 218 +       ILI9881C_COMMAND_INSTR(0xB2, 0x5C),
 219 +       ILI9881C_COMMAND_INSTR(0xB3, 0x39),
 220 +
 221 +       ILI9881C_COMMAND_INSTR(0xC0, 0x08),
 222 +       ILI9881C_COMMAND_INSTR(0xC1, 0x1F),
 223 +       ILI9881C_COMMAND_INSTR(0xC2, 0x24),
 224 +       ILI9881C_COMMAND_INSTR(0xC3, 0x1D),
 225 +       ILI9881C_COMMAND_INSTR(0xC4, 0x04),
 226 +       ILI9881C_COMMAND_INSTR(0xC5, 0x32),
 227 +       ILI9881C_COMMAND_INSTR(0xC6, 0x24),
 228 +       ILI9881C_COMMAND_INSTR(0xC7, 0x1F),
 229 +       ILI9881C_COMMAND_INSTR(0xC8, 0x90),
 230 +       ILI9881C_COMMAND_INSTR(0xC9, 0x20),
 231 +       ILI9881C_COMMAND_INSTR(0xCA, 0x2C),
 232 +       ILI9881C_COMMAND_INSTR(0xCB, 0x82),
 233 +       ILI9881C_COMMAND_INSTR(0xCC, 0x19),
 234 +       ILI9881C_COMMAND_INSTR(0xCD, 0x22),
 235 +       ILI9881C_COMMAND_INSTR(0xCE, 0x4E),
 236 +       ILI9881C_COMMAND_INSTR(0xCF, 0x28),
 237 +       ILI9881C_COMMAND_INSTR(0xD0, 0x2D),
 238 +       ILI9881C_COMMAND_INSTR(0xD1, 0x51),
 239 +       ILI9881C_COMMAND_INSTR(0xD2, 0x5D),
 240 +       ILI9881C_COMMAND_INSTR(0xD3, 0x39),
 241 +
 242 +       ILI9881C_SWITCH_PAGE_INSTR(0),
 243 +       //PWM
 244 +       ILI9881C_COMMAND_INSTR(0x51, 0x0F),
 245 +       ILI9881C_COMMAND_INSTR(0x52, 0xFF),
 246 +       ILI9881C_COMMAND_INSTR(0x53, 0x2C),
 247 +
 248 +       ILI9881C_COMMAND_INSTR(0x11, 0x00),
 249 +       ILI9881C_COMMAND_INSTR(0x29, 0x00),
 250 +       ILI9881C_COMMAND_INSTR(0x35, 0x00),
 251 +};
 252 +
 253  static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
 254  {
 255         return container_of(panel, struct ili9881c, panel);
 256 @@ -603,6 +825,23 @@ static const struct drm_display_mode k10
 257         .height_mm      = 217,
 258  };
 259
 260 +static const struct drm_display_mode nwe080_default_mode = {
 261 +       .clock          = 71750,
 262 +
 263 +       .hdisplay       = 800,
 264 +       .hsync_start    = 800 + 52,
 265 +       .hsync_end      = 800 + 52 + 8,
 266 +       .htotal         = 800 + 52 + 8 + 48,
 267 +
 268 +       .vdisplay       = 1280,
 269 +       .vsync_start    = 1280 + 16,
 270 +       .vsync_end      = 1280 + 16 + 6,
 271 +       .vtotal         = 1280 + 16 + 6 + 15,
 272 +
 273 +       .width_mm       = 107,
 274 +       .height_mm      = 170,
 275 +};
 276 +
 277  static int ili9881c_get_modes(struct drm_panel *panel,
 278                               struct drm_connector *connector)
 279  {
 280 @@ -670,7 +909,7 @@ static int ili9881c_dsi_probe(struct mip
 281
 282         drm_panel_add(&ctx->panel);
 283
 284 -       dsi->mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
 285 +       dsi->mode_flags = ctx->desc->flags;
 286         dsi->format = MIPI_DSI_FMT_RGB888;
 287         dsi->lanes = 4;
 288
 289 @@ -691,18 +930,28 @@ static const struct ili9881c_desc lhr050
 290         .init = lhr050h41_init,
 291         .init_length = ARRAY_SIZE(lhr050h41_init),
 292         .mode = &lhr050h41_default_mode,
 293 +       .flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
 294  };
 295
 296  static const struct ili9881c_desc k101_im2byl02_desc = {
 297         .init = k101_im2byl02_init,
 298         .init_length = ARRAY_SIZE(k101_im2byl02_init),
 299         .mode = &k101_im2byl02_default_mode,
 300 +       .flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
 301 +};
 302 +
 303 +static const struct ili9881c_desc nwe080_desc = {
 304 +       .init = nwe080_init,
 305 +       .init_length = ARRAY_SIZE(nwe080_init),
 306 +       .mode = &nwe080_default_mode,
 307 +       .flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO,
 308  };
 309
 310  static const struct of_device_id ili9881c_of_match[] = {
 311         { .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
 312         { .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
 313 -       { }
 314 +       { .compatible = "nwe,nwe080", .data = &nwe080_desc },
 315 +       {}
 316  };
 317  MODULE_DEVICE_TABLE(of, ili9881c_of_match);
 318