1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) 2017-2018, Bootlin 4 */ 5 6 #include <linux/delay.h> 7 #include <linux/device.h> 8 #include <linux/err.h> 9 #include <linux/errno.h> 10 #include <linux/fb.h> 11 #include <linux/kernel.h> 12 #include <linux/module.h> 13 #include <linux/of_device.h> 14 15 #include <linux/gpio/consumer.h> 16 #include <linux/regulator/consumer.h> 17 18 #include <drm/drm_mipi_dsi.h> 19 #include <drm/drm_modes.h> 20 #include <drm/drm_panel.h> 21 22 #include <video/mipi_display.h> 23 24 enum ili9881c_op { 25 ILI9881C_SWITCH_PAGE, 26 ILI9881C_COMMAND, 27 }; 28 29 struct ili9881c_instr { 30 enum ili9881c_op op; 31 32 union arg { 33 struct cmd { 34 u8 cmd; 35 u8 data; 36 } cmd; 37 u8 page; 38 } arg; 39 }; 40 41 struct ili9881c_desc { 42 const struct ili9881c_instr *init; 43 const size_t init_length; 44 const struct drm_display_mode *mode; 45 const unsigned long mode_flags; 46 }; 47 48 struct ili9881c { 49 struct drm_panel panel; 50 struct mipi_dsi_device *dsi; 51 const struct ili9881c_desc *desc; 52 53 struct regulator *power; 54 struct gpio_desc *reset; 55 56 enum drm_panel_orientation orientation; 57 }; 58 59 #define ILI9881C_SWITCH_PAGE_INSTR(_page) \ 60 { \ 61 .op = ILI9881C_SWITCH_PAGE, \ 62 .arg = { \ 63 .page = (_page), \ 64 }, \ 65 } 66 67 #define ILI9881C_COMMAND_INSTR(_cmd, _data) \ 68 { \ 69 .op = ILI9881C_COMMAND, \ 70 .arg = { \ 71 .cmd = { \ 72 .cmd = (_cmd), \ 73 .data = (_data), \ 74 }, \ 75 }, \ 76 } 77 78 static const struct ili9881c_instr lhr050h41_init[] = { 79 ILI9881C_SWITCH_PAGE_INSTR(3), 80 ILI9881C_COMMAND_INSTR(0x01, 0x00), 81 ILI9881C_COMMAND_INSTR(0x02, 0x00), 82 ILI9881C_COMMAND_INSTR(0x03, 0x73), 83 ILI9881C_COMMAND_INSTR(0x04, 0x03), 84 ILI9881C_COMMAND_INSTR(0x05, 0x00), 85 ILI9881C_COMMAND_INSTR(0x06, 0x06), 86 ILI9881C_COMMAND_INSTR(0x07, 0x06), 87 ILI9881C_COMMAND_INSTR(0x08, 0x00), 88 ILI9881C_COMMAND_INSTR(0x09, 0x18), 89 ILI9881C_COMMAND_INSTR(0x0a, 0x04), 90 ILI9881C_COMMAND_INSTR(0x0b, 0x00), 91 ILI9881C_COMMAND_INSTR(0x0c, 0x02), 92 ILI9881C_COMMAND_INSTR(0x0d, 0x03), 93 ILI9881C_COMMAND_INSTR(0x0e, 0x00), 94 ILI9881C_COMMAND_INSTR(0x0f, 0x25), 95 ILI9881C_COMMAND_INSTR(0x10, 0x25), 96 ILI9881C_COMMAND_INSTR(0x11, 0x00), 97 ILI9881C_COMMAND_INSTR(0x12, 0x00), 98 ILI9881C_COMMAND_INSTR(0x13, 0x00), 99 ILI9881C_COMMAND_INSTR(0x14, 0x00), 100 ILI9881C_COMMAND_INSTR(0x15, 0x00), 101 ILI9881C_COMMAND_INSTR(0x16, 0x0C), 102 ILI9881C_COMMAND_INSTR(0x17, 0x00), 103 ILI9881C_COMMAND_INSTR(0x18, 0x00), 104 ILI9881C_COMMAND_INSTR(0x19, 0x00), 105 ILI9881C_COMMAND_INSTR(0x1a, 0x00), 106 ILI9881C_COMMAND_INSTR(0x1b, 0x00), 107 ILI9881C_COMMAND_INSTR(0x1c, 0x00), 108 ILI9881C_COMMAND_INSTR(0x1d, 0x00), 109 ILI9881C_COMMAND_INSTR(0x1e, 0xC0), 110 ILI9881C_COMMAND_INSTR(0x1f, 0x80), 111 ILI9881C_COMMAND_INSTR(0x20, 0x04), 112 ILI9881C_COMMAND_INSTR(0x21, 0x01), 113 ILI9881C_COMMAND_INSTR(0x22, 0x00), 114 ILI9881C_COMMAND_INSTR(0x23, 0x00), 115 ILI9881C_COMMAND_INSTR(0x24, 0x00), 116 ILI9881C_COMMAND_INSTR(0x25, 0x00), 117 ILI9881C_COMMAND_INSTR(0x26, 0x00), 118 ILI9881C_COMMAND_INSTR(0x27, 0x00), 119 ILI9881C_COMMAND_INSTR(0x28, 0x33), 120 ILI9881C_COMMAND_INSTR(0x29, 0x03), 121 ILI9881C_COMMAND_INSTR(0x2a, 0x00), 122 ILI9881C_COMMAND_INSTR(0x2b, 0x00), 123 ILI9881C_COMMAND_INSTR(0x2c, 0x00), 124 ILI9881C_COMMAND_INSTR(0x2d, 0x00), 125 ILI9881C_COMMAND_INSTR(0x2e, 0x00), 126 ILI9881C_COMMAND_INSTR(0x2f, 0x00), 127 ILI9881C_COMMAND_INSTR(0x30, 0x00), 128 ILI9881C_COMMAND_INSTR(0x31, 0x00), 129 ILI9881C_COMMAND_INSTR(0x32, 0x00), 130 ILI9881C_COMMAND_INSTR(0x33, 0x00), 131 ILI9881C_COMMAND_INSTR(0x34, 0x04), 132 ILI9881C_COMMAND_INSTR(0x35, 0x00), 133 ILI9881C_COMMAND_INSTR(0x36, 0x00), 134 ILI9881C_COMMAND_INSTR(0x37, 0x00), 135 ILI9881C_COMMAND_INSTR(0x38, 0x3C), 136 ILI9881C_COMMAND_INSTR(0x39, 0x00), 137 ILI9881C_COMMAND_INSTR(0x3a, 0x00), 138 ILI9881C_COMMAND_INSTR(0x3b, 0x00), 139 ILI9881C_COMMAND_INSTR(0x3c, 0x00), 140 ILI9881C_COMMAND_INSTR(0x3d, 0x00), 141 ILI9881C_COMMAND_INSTR(0x3e, 0x00), 142 ILI9881C_COMMAND_INSTR(0x3f, 0x00), 143 ILI9881C_COMMAND_INSTR(0x40, 0x00), 144 ILI9881C_COMMAND_INSTR(0x41, 0x00), 145 ILI9881C_COMMAND_INSTR(0x42, 0x00), 146 ILI9881C_COMMAND_INSTR(0x43, 0x00), 147 ILI9881C_COMMAND_INSTR(0x44, 0x00), 148 ILI9881C_COMMAND_INSTR(0x50, 0x01), 149 ILI9881C_COMMAND_INSTR(0x51, 0x23), 150 ILI9881C_COMMAND_INSTR(0x52, 0x45), 151 ILI9881C_COMMAND_INSTR(0x53, 0x67), 152 ILI9881C_COMMAND_INSTR(0x54, 0x89), 153 ILI9881C_COMMAND_INSTR(0x55, 0xab), 154 ILI9881C_COMMAND_INSTR(0x56, 0x01), 155 ILI9881C_COMMAND_INSTR(0x57, 0x23), 156 ILI9881C_COMMAND_INSTR(0x58, 0x45), 157 ILI9881C_COMMAND_INSTR(0x59, 0x67), 158 ILI9881C_COMMAND_INSTR(0x5a, 0x89), 159 ILI9881C_COMMAND_INSTR(0x5b, 0xab), 160 ILI9881C_COMMAND_INSTR(0x5c, 0xcd), 161 ILI9881C_COMMAND_INSTR(0x5d, 0xef), 162 ILI9881C_COMMAND_INSTR(0x5e, 0x11), 163 ILI9881C_COMMAND_INSTR(0x5f, 0x02), 164 ILI9881C_COMMAND_INSTR(0x60, 0x02), 165 ILI9881C_COMMAND_INSTR(0x61, 0x02), 166 ILI9881C_COMMAND_INSTR(0x62, 0x02), 167 ILI9881C_COMMAND_INSTR(0x63, 0x02), 168 ILI9881C_COMMAND_INSTR(0x64, 0x02), 169 ILI9881C_COMMAND_INSTR(0x65, 0x02), 170 ILI9881C_COMMAND_INSTR(0x66, 0x02), 171 ILI9881C_COMMAND_INSTR(0x67, 0x02), 172 ILI9881C_COMMAND_INSTR(0x68, 0x02), 173 ILI9881C_COMMAND_INSTR(0x69, 0x02), 174 ILI9881C_COMMAND_INSTR(0x6a, 0x0C), 175 ILI9881C_COMMAND_INSTR(0x6b, 0x02), 176 ILI9881C_COMMAND_INSTR(0x6c, 0x0F), 177 ILI9881C_COMMAND_INSTR(0x6d, 0x0E), 178 ILI9881C_COMMAND_INSTR(0x6e, 0x0D), 179 ILI9881C_COMMAND_INSTR(0x6f, 0x06), 180 ILI9881C_COMMAND_INSTR(0x70, 0x07), 181 ILI9881C_COMMAND_INSTR(0x71, 0x02), 182 ILI9881C_COMMAND_INSTR(0x72, 0x02), 183 ILI9881C_COMMAND_INSTR(0x73, 0x02), 184 ILI9881C_COMMAND_INSTR(0x74, 0x02), 185 ILI9881C_COMMAND_INSTR(0x75, 0x02), 186 ILI9881C_COMMAND_INSTR(0x76, 0x02), 187 ILI9881C_COMMAND_INSTR(0x77, 0x02), 188 ILI9881C_COMMAND_INSTR(0x78, 0x02), 189 ILI9881C_COMMAND_INSTR(0x79, 0x02), 190 ILI9881C_COMMAND_INSTR(0x7a, 0x02), 191 ILI9881C_COMMAND_INSTR(0x7b, 0x02), 192 ILI9881C_COMMAND_INSTR(0x7c, 0x02), 193 ILI9881C_COMMAND_INSTR(0x7d, 0x02), 194 ILI9881C_COMMAND_INSTR(0x7e, 0x02), 195 ILI9881C_COMMAND_INSTR(0x7f, 0x02), 196 ILI9881C_COMMAND_INSTR(0x80, 0x0C), 197 ILI9881C_COMMAND_INSTR(0x81, 0x02), 198 ILI9881C_COMMAND_INSTR(0x82, 0x0F), 199 ILI9881C_COMMAND_INSTR(0x83, 0x0E), 200 ILI9881C_COMMAND_INSTR(0x84, 0x0D), 201 ILI9881C_COMMAND_INSTR(0x85, 0x06), 202 ILI9881C_COMMAND_INSTR(0x86, 0x07), 203 ILI9881C_COMMAND_INSTR(0x87, 0x02), 204 ILI9881C_COMMAND_INSTR(0x88, 0x02), 205 ILI9881C_COMMAND_INSTR(0x89, 0x02), 206 ILI9881C_COMMAND_INSTR(0x8A, 0x02), 207 ILI9881C_SWITCH_PAGE_INSTR(4), 208 ILI9881C_COMMAND_INSTR(0x6C, 0x15), 209 ILI9881C_COMMAND_INSTR(0x6E, 0x22), 210 ILI9881C_COMMAND_INSTR(0x6F, 0x33), 211 ILI9881C_COMMAND_INSTR(0x3A, 0xA4), 212 ILI9881C_COMMAND_INSTR(0x8D, 0x0D), 213 ILI9881C_COMMAND_INSTR(0x87, 0xBA), 214 ILI9881C_COMMAND_INSTR(0x26, 0x76), 215 ILI9881C_COMMAND_INSTR(0xB2, 0xD1), 216 ILI9881C_SWITCH_PAGE_INSTR(1), 217 ILI9881C_COMMAND_INSTR(0x22, 0x0A), 218 ILI9881C_COMMAND_INSTR(0x53, 0xDC), 219 ILI9881C_COMMAND_INSTR(0x55, 0xA7), 220 ILI9881C_COMMAND_INSTR(0x50, 0x78), 221 ILI9881C_COMMAND_INSTR(0x51, 0x78), 222 ILI9881C_COMMAND_INSTR(0x31, 0x02), 223 ILI9881C_COMMAND_INSTR(0x60, 0x14), 224 ILI9881C_COMMAND_INSTR(0xA0, 0x2A), 225 ILI9881C_COMMAND_INSTR(0xA1, 0x39), 226 ILI9881C_COMMAND_INSTR(0xA2, 0x46), 227 ILI9881C_COMMAND_INSTR(0xA3, 0x0e), 228 ILI9881C_COMMAND_INSTR(0xA4, 0x12), 229 ILI9881C_COMMAND_INSTR(0xA5, 0x25), 230 ILI9881C_COMMAND_INSTR(0xA6, 0x19), 231 ILI9881C_COMMAND_INSTR(0xA7, 0x1d), 232 ILI9881C_COMMAND_INSTR(0xA8, 0xa6), 233 ILI9881C_COMMAND_INSTR(0xA9, 0x1C), 234 ILI9881C_COMMAND_INSTR(0xAA, 0x29), 235 ILI9881C_COMMAND_INSTR(0xAB, 0x85), 236 ILI9881C_COMMAND_INSTR(0xAC, 0x1C), 237 ILI9881C_COMMAND_INSTR(0xAD, 0x1B), 238 ILI9881C_COMMAND_INSTR(0xAE, 0x51), 239 ILI9881C_COMMAND_INSTR(0xAF, 0x22), 240 ILI9881C_COMMAND_INSTR(0xB0, 0x2d), 241 ILI9881C_COMMAND_INSTR(0xB1, 0x4f), 242 ILI9881C_COMMAND_INSTR(0xB2, 0x59), 243 ILI9881C_COMMAND_INSTR(0xB3, 0x3F), 244 ILI9881C_COMMAND_INSTR(0xC0, 0x2A), 245 ILI9881C_COMMAND_INSTR(0xC1, 0x3a), 246 ILI9881C_COMMAND_INSTR(0xC2, 0x45), 247 ILI9881C_COMMAND_INSTR(0xC3, 0x0e), 248 ILI9881C_COMMAND_INSTR(0xC4, 0x11), 249 ILI9881C_COMMAND_INSTR(0xC5, 0x24), 250 ILI9881C_COMMAND_INSTR(0xC6, 0x1a), 251 ILI9881C_COMMAND_INSTR(0xC7, 0x1c), 252 ILI9881C_COMMAND_INSTR(0xC8, 0xaa), 253 ILI9881C_COMMAND_INSTR(0xC9, 0x1C), 254 ILI9881C_COMMAND_INSTR(0xCA, 0x29), 255 ILI9881C_COMMAND_INSTR(0xCB, 0x96), 256 ILI9881C_COMMAND_INSTR(0xCC, 0x1C), 257 ILI9881C_COMMAND_INSTR(0xCD, 0x1B), 258 ILI9881C_COMMAND_INSTR(0xCE, 0x51), 259 ILI9881C_COMMAND_INSTR(0xCF, 0x22), 260 ILI9881C_COMMAND_INSTR(0xD0, 0x2b), 261 ILI9881C_COMMAND_INSTR(0xD1, 0x4b), 262 ILI9881C_COMMAND_INSTR(0xD2, 0x59), 263 ILI9881C_COMMAND_INSTR(0xD3, 0x3F), 264 }; 265 266 static const struct ili9881c_instr k101_im2byl02_init[] = { 267 ILI9881C_SWITCH_PAGE_INSTR(3), 268 ILI9881C_COMMAND_INSTR(0x01, 0x00), 269 ILI9881C_COMMAND_INSTR(0x02, 0x00), 270 ILI9881C_COMMAND_INSTR(0x03, 0x73), 271 ILI9881C_COMMAND_INSTR(0x04, 0x00), 272 ILI9881C_COMMAND_INSTR(0x05, 0x00), 273 ILI9881C_COMMAND_INSTR(0x06, 0x08), 274 ILI9881C_COMMAND_INSTR(0x07, 0x00), 275 ILI9881C_COMMAND_INSTR(0x08, 0x00), 276 ILI9881C_COMMAND_INSTR(0x09, 0x00), 277 ILI9881C_COMMAND_INSTR(0x0A, 0x01), 278 ILI9881C_COMMAND_INSTR(0x0B, 0x01), 279 ILI9881C_COMMAND_INSTR(0x0C, 0x00), 280 ILI9881C_COMMAND_INSTR(0x0D, 0x01), 281 ILI9881C_COMMAND_INSTR(0x0E, 0x01), 282 ILI9881C_COMMAND_INSTR(0x0F, 0x00), 283 ILI9881C_COMMAND_INSTR(0x10, 0x00), 284 ILI9881C_COMMAND_INSTR(0x11, 0x00), 285 ILI9881C_COMMAND_INSTR(0x12, 0x00), 286 ILI9881C_COMMAND_INSTR(0x13, 0x00), 287 ILI9881C_COMMAND_INSTR(0x14, 0x00), 288 ILI9881C_COMMAND_INSTR(0x15, 0x00), 289 ILI9881C_COMMAND_INSTR(0x16, 0x00), 290 ILI9881C_COMMAND_INSTR(0x17, 0x00), 291 ILI9881C_COMMAND_INSTR(0x18, 0x00), 292 ILI9881C_COMMAND_INSTR(0x19, 0x00), 293 ILI9881C_COMMAND_INSTR(0x1A, 0x00), 294 ILI9881C_COMMAND_INSTR(0x1B, 0x00), 295 ILI9881C_COMMAND_INSTR(0x1C, 0x00), 296 ILI9881C_COMMAND_INSTR(0x1D, 0x00), 297 ILI9881C_COMMAND_INSTR(0x1E, 0x40), 298 ILI9881C_COMMAND_INSTR(0x1F, 0xC0), 299 ILI9881C_COMMAND_INSTR(0x20, 0x06), 300 ILI9881C_COMMAND_INSTR(0x21, 0x01), 301 ILI9881C_COMMAND_INSTR(0x22, 0x06), 302 ILI9881C_COMMAND_INSTR(0x23, 0x01), 303 ILI9881C_COMMAND_INSTR(0x24, 0x88), 304 ILI9881C_COMMAND_INSTR(0x25, 0x88), 305 ILI9881C_COMMAND_INSTR(0x26, 0x00), 306 ILI9881C_COMMAND_INSTR(0x27, 0x00), 307 ILI9881C_COMMAND_INSTR(0x28, 0x3B), 308 ILI9881C_COMMAND_INSTR(0x29, 0x03), 309 ILI9881C_COMMAND_INSTR(0x2A, 0x00), 310 ILI9881C_COMMAND_INSTR(0x2B, 0x00), 311 ILI9881C_COMMAND_INSTR(0x2C, 0x00), 312 ILI9881C_COMMAND_INSTR(0x2D, 0x00), 313 ILI9881C_COMMAND_INSTR(0x2E, 0x00), 314 ILI9881C_COMMAND_INSTR(0x2F, 0x00), 315 ILI9881C_COMMAND_INSTR(0x30, 0x00), 316 ILI9881C_COMMAND_INSTR(0x31, 0x00), 317 ILI9881C_COMMAND_INSTR(0x32, 0x00), 318 ILI9881C_COMMAND_INSTR(0x33, 0x00), 319 ILI9881C_COMMAND_INSTR(0x34, 0x00), /* GPWR1/2 non overlap time 2.62us */ 320 ILI9881C_COMMAND_INSTR(0x35, 0x00), 321 ILI9881C_COMMAND_INSTR(0x36, 0x00), 322 ILI9881C_COMMAND_INSTR(0x37, 0x00), 323 ILI9881C_COMMAND_INSTR(0x38, 0x00), 324 ILI9881C_COMMAND_INSTR(0x39, 0x00), 325 ILI9881C_COMMAND_INSTR(0x3A, 0x00), 326 ILI9881C_COMMAND_INSTR(0x3B, 0x00), 327 ILI9881C_COMMAND_INSTR(0x3C, 0x00), 328 ILI9881C_COMMAND_INSTR(0x3D, 0x00), 329 ILI9881C_COMMAND_INSTR(0x3E, 0x00), 330 ILI9881C_COMMAND_INSTR(0x3F, 0x00), 331 ILI9881C_COMMAND_INSTR(0x40, 0x00), 332 ILI9881C_COMMAND_INSTR(0x41, 0x00), 333 ILI9881C_COMMAND_INSTR(0x42, 0x00), 334 ILI9881C_COMMAND_INSTR(0x43, 0x00), 335 ILI9881C_COMMAND_INSTR(0x44, 0x00), 336 ILI9881C_COMMAND_INSTR(0x50, 0x01), 337 ILI9881C_COMMAND_INSTR(0x51, 0x23), 338 ILI9881C_COMMAND_INSTR(0x52, 0x45), 339 ILI9881C_COMMAND_INSTR(0x53, 0x67), 340 ILI9881C_COMMAND_INSTR(0x54, 0x89), 341 ILI9881C_COMMAND_INSTR(0x55, 0xAB), 342 ILI9881C_COMMAND_INSTR(0x56, 0x01), 343 ILI9881C_COMMAND_INSTR(0x57, 0x23), 344 ILI9881C_COMMAND_INSTR(0x58, 0x45), 345 ILI9881C_COMMAND_INSTR(0x59, 0x67), 346 ILI9881C_COMMAND_INSTR(0x5A, 0x89), 347 ILI9881C_COMMAND_INSTR(0x5B, 0xAB), 348 ILI9881C_COMMAND_INSTR(0x5C, 0xCD), 349 ILI9881C_COMMAND_INSTR(0x5D, 0xEF), 350 ILI9881C_COMMAND_INSTR(0x5E, 0x00), 351 ILI9881C_COMMAND_INSTR(0x5F, 0x01), 352 ILI9881C_COMMAND_INSTR(0x60, 0x01), 353 ILI9881C_COMMAND_INSTR(0x61, 0x06), 354 ILI9881C_COMMAND_INSTR(0x62, 0x06), 355 ILI9881C_COMMAND_INSTR(0x63, 0x07), 356 ILI9881C_COMMAND_INSTR(0x64, 0x07), 357 ILI9881C_COMMAND_INSTR(0x65, 0x00), 358 ILI9881C_COMMAND_INSTR(0x66, 0x00), 359 ILI9881C_COMMAND_INSTR(0x67, 0x02), 360 ILI9881C_COMMAND_INSTR(0x68, 0x02), 361 ILI9881C_COMMAND_INSTR(0x69, 0x05), 362 ILI9881C_COMMAND_INSTR(0x6A, 0x05), 363 ILI9881C_COMMAND_INSTR(0x6B, 0x02), 364 ILI9881C_COMMAND_INSTR(0x6C, 0x0D), 365 ILI9881C_COMMAND_INSTR(0x6D, 0x0D), 366 ILI9881C_COMMAND_INSTR(0x6E, 0x0C), 367 ILI9881C_COMMAND_INSTR(0x6F, 0x0C), 368 ILI9881C_COMMAND_INSTR(0x70, 0x0F), 369 ILI9881C_COMMAND_INSTR(0x71, 0x0F), 370 ILI9881C_COMMAND_INSTR(0x72, 0x0E), 371 ILI9881C_COMMAND_INSTR(0x73, 0x0E), 372 ILI9881C_COMMAND_INSTR(0x74, 0x02), 373 ILI9881C_COMMAND_INSTR(0x75, 0x01), 374 ILI9881C_COMMAND_INSTR(0x76, 0x01), 375 ILI9881C_COMMAND_INSTR(0x77, 0x06), 376 ILI9881C_COMMAND_INSTR(0x78, 0x06), 377 ILI9881C_COMMAND_INSTR(0x79, 0x07), 378 ILI9881C_COMMAND_INSTR(0x7A, 0x07), 379 ILI9881C_COMMAND_INSTR(0x7B, 0x00), 380 ILI9881C_COMMAND_INSTR(0x7C, 0x00), 381 ILI9881C_COMMAND_INSTR(0x7D, 0x02), 382 ILI9881C_COMMAND_INSTR(0x7E, 0x02), 383 ILI9881C_COMMAND_INSTR(0x7F, 0x05), 384 ILI9881C_COMMAND_INSTR(0x80, 0x05), 385 ILI9881C_COMMAND_INSTR(0x81, 0x02), 386 ILI9881C_COMMAND_INSTR(0x82, 0x0D), 387 ILI9881C_COMMAND_INSTR(0x83, 0x0D), 388 ILI9881C_COMMAND_INSTR(0x84, 0x0C), 389 ILI9881C_COMMAND_INSTR(0x85, 0x0C), 390 ILI9881C_COMMAND_INSTR(0x86, 0x0F), 391 ILI9881C_COMMAND_INSTR(0x87, 0x0F), 392 ILI9881C_COMMAND_INSTR(0x88, 0x0E), 393 ILI9881C_COMMAND_INSTR(0x89, 0x0E), 394 ILI9881C_COMMAND_INSTR(0x8A, 0x02), 395 ILI9881C_SWITCH_PAGE_INSTR(4), 396 ILI9881C_COMMAND_INSTR(0x3B, 0xC0), /* ILI4003D sel */ 397 ILI9881C_COMMAND_INSTR(0x6C, 0x15), /* Set VCORE voltage = 1.5V */ 398 ILI9881C_COMMAND_INSTR(0x6E, 0x2A), /* di_pwr_reg=0 for power mode 2A, VGH clamp 18V */ 399 ILI9881C_COMMAND_INSTR(0x6F, 0x33), /* pumping ratio VGH=5x VGL=-3x */ 400 ILI9881C_COMMAND_INSTR(0x8D, 0x1B), /* VGL clamp -10V */ 401 ILI9881C_COMMAND_INSTR(0x87, 0xBA), /* ESD */ 402 ILI9881C_COMMAND_INSTR(0x3A, 0x24), /* POWER SAVING */ 403 ILI9881C_COMMAND_INSTR(0x26, 0x76), 404 ILI9881C_COMMAND_INSTR(0xB2, 0xD1), 405 ILI9881C_SWITCH_PAGE_INSTR(1), 406 ILI9881C_COMMAND_INSTR(0x22, 0x0A), /* BGR, SS */ 407 ILI9881C_COMMAND_INSTR(0x31, 0x00), /* Zigzag type3 inversion */ 408 ILI9881C_COMMAND_INSTR(0x40, 0x53), /* ILI4003D sel */ 409 ILI9881C_COMMAND_INSTR(0x43, 0x66), 410 ILI9881C_COMMAND_INSTR(0x53, 0x4C), 411 ILI9881C_COMMAND_INSTR(0x50, 0x87), 412 ILI9881C_COMMAND_INSTR(0x51, 0x82), 413 ILI9881C_COMMAND_INSTR(0x60, 0x15), 414 ILI9881C_COMMAND_INSTR(0x61, 0x01), 415 ILI9881C_COMMAND_INSTR(0x62, 0x0C), 416 ILI9881C_COMMAND_INSTR(0x63, 0x00), 417 ILI9881C_COMMAND_INSTR(0xA0, 0x00), 418 ILI9881C_COMMAND_INSTR(0xA1, 0x13), /* VP251 */ 419 ILI9881C_COMMAND_INSTR(0xA2, 0x23), /* VP247 */ 420 ILI9881C_COMMAND_INSTR(0xA3, 0x14), /* VP243 */ 421 ILI9881C_COMMAND_INSTR(0xA4, 0x16), /* VP239 */ 422 ILI9881C_COMMAND_INSTR(0xA5, 0x29), /* VP231 */ 423 ILI9881C_COMMAND_INSTR(0xA6, 0x1E), /* VP219 */ 424 ILI9881C_COMMAND_INSTR(0xA7, 0x1D), /* VP203 */ 425 ILI9881C_COMMAND_INSTR(0xA8, 0x86), /* VP175 */ 426 ILI9881C_COMMAND_INSTR(0xA9, 0x1E), /* VP144 */ 427 ILI9881C_COMMAND_INSTR(0xAA, 0x29), /* VP111 */ 428 ILI9881C_COMMAND_INSTR(0xAB, 0x74), /* VP80 */ 429 ILI9881C_COMMAND_INSTR(0xAC, 0x19), /* VP52 */ 430 ILI9881C_COMMAND_INSTR(0xAD, 0x17), /* VP36 */ 431 ILI9881C_COMMAND_INSTR(0xAE, 0x4B), /* VP24 */ 432 ILI9881C_COMMAND_INSTR(0xAF, 0x20), /* VP16 */ 433 ILI9881C_COMMAND_INSTR(0xB0, 0x26), /* VP12 */ 434 ILI9881C_COMMAND_INSTR(0xB1, 0x4C), /* VP8 */ 435 ILI9881C_COMMAND_INSTR(0xB2, 0x5D), /* VP4 */ 436 ILI9881C_COMMAND_INSTR(0xB3, 0x3F), /* VP0 */ 437 ILI9881C_COMMAND_INSTR(0xC0, 0x00), /* VN255 GAMMA N */ 438 ILI9881C_COMMAND_INSTR(0xC1, 0x13), /* VN251 */ 439 ILI9881C_COMMAND_INSTR(0xC2, 0x23), /* VN247 */ 440 ILI9881C_COMMAND_INSTR(0xC3, 0x14), /* VN243 */ 441 ILI9881C_COMMAND_INSTR(0xC4, 0x16), /* VN239 */ 442 ILI9881C_COMMAND_INSTR(0xC5, 0x29), /* VN231 */ 443 ILI9881C_COMMAND_INSTR(0xC6, 0x1E), /* VN219 */ 444 ILI9881C_COMMAND_INSTR(0xC7, 0x1D), /* VN203 */ 445 ILI9881C_COMMAND_INSTR(0xC8, 0x86), /* VN175 */ 446 ILI9881C_COMMAND_INSTR(0xC9, 0x1E), /* VN144 */ 447 ILI9881C_COMMAND_INSTR(0xCA, 0x29), /* VN111 */ 448 ILI9881C_COMMAND_INSTR(0xCB, 0x74), /* VN80 */ 449 ILI9881C_COMMAND_INSTR(0xCC, 0x19), /* VN52 */ 450 ILI9881C_COMMAND_INSTR(0xCD, 0x17), /* VN36 */ 451 ILI9881C_COMMAND_INSTR(0xCE, 0x4B), /* VN24 */ 452 ILI9881C_COMMAND_INSTR(0xCF, 0x20), /* VN16 */ 453 ILI9881C_COMMAND_INSTR(0xD0, 0x26), /* VN12 */ 454 ILI9881C_COMMAND_INSTR(0xD1, 0x4C), /* VN8 */ 455 ILI9881C_COMMAND_INSTR(0xD2, 0x5D), /* VN4 */ 456 ILI9881C_COMMAND_INSTR(0xD3, 0x3F), /* VN0 */ 457 }; 458 459 static const struct ili9881c_instr w552946ab_init[] = { 460 ILI9881C_SWITCH_PAGE_INSTR(3), 461 ILI9881C_COMMAND_INSTR(0x01, 0x00), 462 ILI9881C_COMMAND_INSTR(0x02, 0x00), 463 ILI9881C_COMMAND_INSTR(0x03, 0x53), 464 ILI9881C_COMMAND_INSTR(0x04, 0x53), 465 ILI9881C_COMMAND_INSTR(0x05, 0x13), 466 ILI9881C_COMMAND_INSTR(0x06, 0x04), 467 ILI9881C_COMMAND_INSTR(0x07, 0x02), 468 ILI9881C_COMMAND_INSTR(0x08, 0x02), 469 ILI9881C_COMMAND_INSTR(0x09, 0x00), 470 ILI9881C_COMMAND_INSTR(0x0A, 0x00), 471 ILI9881C_COMMAND_INSTR(0x0B, 0x00), 472 ILI9881C_COMMAND_INSTR(0x0C, 0x00), 473 ILI9881C_COMMAND_INSTR(0x0D, 0x00), 474 ILI9881C_COMMAND_INSTR(0x0E, 0x00), 475 ILI9881C_COMMAND_INSTR(0x0F, 0x00), 476 477 ILI9881C_COMMAND_INSTR(0x10, 0x00), 478 ILI9881C_COMMAND_INSTR(0x11, 0x00), 479 ILI9881C_COMMAND_INSTR(0x12, 0x00), 480 ILI9881C_COMMAND_INSTR(0x13, 0x00), 481 ILI9881C_COMMAND_INSTR(0x14, 0x00), 482 ILI9881C_COMMAND_INSTR(0x15, 0x08), 483 ILI9881C_COMMAND_INSTR(0x16, 0x10), 484 ILI9881C_COMMAND_INSTR(0x17, 0x00), 485 ILI9881C_COMMAND_INSTR(0x18, 0x08), 486 ILI9881C_COMMAND_INSTR(0x19, 0x00), 487 ILI9881C_COMMAND_INSTR(0x1A, 0x00), 488 ILI9881C_COMMAND_INSTR(0x1B, 0x00), 489 ILI9881C_COMMAND_INSTR(0x1C, 0x00), 490 ILI9881C_COMMAND_INSTR(0x1D, 0x00), 491 ILI9881C_COMMAND_INSTR(0x1E, 0xC0), 492 ILI9881C_COMMAND_INSTR(0x1F, 0x80), 493 494 ILI9881C_COMMAND_INSTR(0x20, 0x02), 495 ILI9881C_COMMAND_INSTR(0x21, 0x09), 496 ILI9881C_COMMAND_INSTR(0x22, 0x00), 497 ILI9881C_COMMAND_INSTR(0x23, 0x00), 498 ILI9881C_COMMAND_INSTR(0x24, 0x00), 499 ILI9881C_COMMAND_INSTR(0x25, 0x00), 500 ILI9881C_COMMAND_INSTR(0x26, 0x00), 501 ILI9881C_COMMAND_INSTR(0x27, 0x00), 502 ILI9881C_COMMAND_INSTR(0x28, 0x55), 503 ILI9881C_COMMAND_INSTR(0x29, 0x03), 504 ILI9881C_COMMAND_INSTR(0x2A, 0x00), 505 ILI9881C_COMMAND_INSTR(0x2B, 0x00), 506 ILI9881C_COMMAND_INSTR(0x2C, 0x00), 507 ILI9881C_COMMAND_INSTR(0x2D, 0x00), 508 ILI9881C_COMMAND_INSTR(0x2E, 0x00), 509 ILI9881C_COMMAND_INSTR(0x2F, 0x00), 510 511 ILI9881C_COMMAND_INSTR(0x30, 0x00), 512 ILI9881C_COMMAND_INSTR(0x31, 0x00), 513 ILI9881C_COMMAND_INSTR(0x32, 0x00), 514 ILI9881C_COMMAND_INSTR(0x33, 0x00), 515 ILI9881C_COMMAND_INSTR(0x34, 0x04), 516 ILI9881C_COMMAND_INSTR(0x35, 0x05), 517 ILI9881C_COMMAND_INSTR(0x36, 0x05), 518 ILI9881C_COMMAND_INSTR(0x37, 0x00), 519 ILI9881C_COMMAND_INSTR(0x38, 0x3C), 520 ILI9881C_COMMAND_INSTR(0x39, 0x35), 521 ILI9881C_COMMAND_INSTR(0x3A, 0x00), 522 ILI9881C_COMMAND_INSTR(0x3B, 0x40), 523 ILI9881C_COMMAND_INSTR(0x3C, 0x00), 524 ILI9881C_COMMAND_INSTR(0x3D, 0x00), 525 ILI9881C_COMMAND_INSTR(0x3E, 0x00), 526 ILI9881C_COMMAND_INSTR(0x3F, 0x00), 527 528 ILI9881C_COMMAND_INSTR(0x40, 0x00), 529 ILI9881C_COMMAND_INSTR(0x41, 0x88), 530 ILI9881C_COMMAND_INSTR(0x42, 0x00), 531 ILI9881C_COMMAND_INSTR(0x43, 0x00), 532 ILI9881C_COMMAND_INSTR(0x44, 0x1F), 533 534 ILI9881C_COMMAND_INSTR(0x50, 0x01), 535 ILI9881C_COMMAND_INSTR(0x51, 0x23), 536 ILI9881C_COMMAND_INSTR(0x52, 0x45), 537 ILI9881C_COMMAND_INSTR(0x53, 0x67), 538 ILI9881C_COMMAND_INSTR(0x54, 0x89), 539 ILI9881C_COMMAND_INSTR(0x55, 0xaB), 540 ILI9881C_COMMAND_INSTR(0x56, 0x01), 541 ILI9881C_COMMAND_INSTR(0x57, 0x23), 542 ILI9881C_COMMAND_INSTR(0x58, 0x45), 543 ILI9881C_COMMAND_INSTR(0x59, 0x67), 544 ILI9881C_COMMAND_INSTR(0x5A, 0x89), 545 ILI9881C_COMMAND_INSTR(0x5B, 0xAB), 546 ILI9881C_COMMAND_INSTR(0x5C, 0xCD), 547 ILI9881C_COMMAND_INSTR(0x5D, 0xEF), 548 ILI9881C_COMMAND_INSTR(0x5E, 0x03), 549 ILI9881C_COMMAND_INSTR(0x5F, 0x14), 550 551 ILI9881C_COMMAND_INSTR(0x60, 0x15), 552 ILI9881C_COMMAND_INSTR(0x61, 0x0C), 553 ILI9881C_COMMAND_INSTR(0x62, 0x0D), 554 ILI9881C_COMMAND_INSTR(0x63, 0x0E), 555 ILI9881C_COMMAND_INSTR(0x64, 0x0F), 556 ILI9881C_COMMAND_INSTR(0x65, 0x10), 557 ILI9881C_COMMAND_INSTR(0x66, 0x11), 558 ILI9881C_COMMAND_INSTR(0x67, 0x08), 559 ILI9881C_COMMAND_INSTR(0x68, 0x02), 560 ILI9881C_COMMAND_INSTR(0x69, 0x0A), 561 ILI9881C_COMMAND_INSTR(0x6A, 0x02), 562 ILI9881C_COMMAND_INSTR(0x6B, 0x02), 563 ILI9881C_COMMAND_INSTR(0x6C, 0x02), 564 ILI9881C_COMMAND_INSTR(0x6D, 0x02), 565 ILI9881C_COMMAND_INSTR(0x6E, 0x02), 566 ILI9881C_COMMAND_INSTR(0x6F, 0x02), 567 568 ILI9881C_COMMAND_INSTR(0x70, 0x02), 569 ILI9881C_COMMAND_INSTR(0x71, 0x02), 570 ILI9881C_COMMAND_INSTR(0x72, 0x06), 571 ILI9881C_COMMAND_INSTR(0x73, 0x02), 572 ILI9881C_COMMAND_INSTR(0x74, 0x02), 573 ILI9881C_COMMAND_INSTR(0x75, 0x14), 574 ILI9881C_COMMAND_INSTR(0x76, 0x15), 575 ILI9881C_COMMAND_INSTR(0x77, 0x0F), 576 ILI9881C_COMMAND_INSTR(0x78, 0x0E), 577 ILI9881C_COMMAND_INSTR(0x79, 0x0D), 578 ILI9881C_COMMAND_INSTR(0x7A, 0x0C), 579 ILI9881C_COMMAND_INSTR(0x7B, 0x11), 580 ILI9881C_COMMAND_INSTR(0x7C, 0x10), 581 ILI9881C_COMMAND_INSTR(0x7D, 0x06), 582 ILI9881C_COMMAND_INSTR(0x7E, 0x02), 583 ILI9881C_COMMAND_INSTR(0x7F, 0x0A), 584 585 ILI9881C_COMMAND_INSTR(0x80, 0x02), 586 ILI9881C_COMMAND_INSTR(0x81, 0x02), 587 ILI9881C_COMMAND_INSTR(0x82, 0x02), 588 ILI9881C_COMMAND_INSTR(0x83, 0x02), 589 ILI9881C_COMMAND_INSTR(0x84, 0x02), 590 ILI9881C_COMMAND_INSTR(0x85, 0x02), 591 ILI9881C_COMMAND_INSTR(0x86, 0x02), 592 ILI9881C_COMMAND_INSTR(0x87, 0x02), 593 ILI9881C_COMMAND_INSTR(0x88, 0x08), 594 ILI9881C_COMMAND_INSTR(0x89, 0x02), 595 ILI9881C_COMMAND_INSTR(0x8A, 0x02), 596 597 ILI9881C_SWITCH_PAGE_INSTR(4), 598 ILI9881C_COMMAND_INSTR(0x00, 0x80), 599 ILI9881C_COMMAND_INSTR(0x70, 0x00), 600 ILI9881C_COMMAND_INSTR(0x71, 0x00), 601 ILI9881C_COMMAND_INSTR(0x66, 0xFE), 602 ILI9881C_COMMAND_INSTR(0x82, 0x15), 603 ILI9881C_COMMAND_INSTR(0x84, 0x15), 604 ILI9881C_COMMAND_INSTR(0x85, 0x15), 605 ILI9881C_COMMAND_INSTR(0x3a, 0x24), 606 ILI9881C_COMMAND_INSTR(0x32, 0xAC), 607 ILI9881C_COMMAND_INSTR(0x8C, 0x80), 608 ILI9881C_COMMAND_INSTR(0x3C, 0xF5), 609 ILI9881C_COMMAND_INSTR(0x88, 0x33), 610 611 ILI9881C_SWITCH_PAGE_INSTR(1), 612 ILI9881C_COMMAND_INSTR(0x22, 0x0A), 613 ILI9881C_COMMAND_INSTR(0x31, 0x00), 614 ILI9881C_COMMAND_INSTR(0x53, 0x78), 615 ILI9881C_COMMAND_INSTR(0x50, 0x5B), 616 ILI9881C_COMMAND_INSTR(0x51, 0x5B), 617 ILI9881C_COMMAND_INSTR(0x60, 0x20), 618 ILI9881C_COMMAND_INSTR(0x61, 0x00), 619 ILI9881C_COMMAND_INSTR(0x62, 0x0D), 620 ILI9881C_COMMAND_INSTR(0x63, 0x00), 621 622 ILI9881C_COMMAND_INSTR(0xA0, 0x00), 623 ILI9881C_COMMAND_INSTR(0xA1, 0x10), 624 ILI9881C_COMMAND_INSTR(0xA2, 0x1C), 625 ILI9881C_COMMAND_INSTR(0xA3, 0x13), 626 ILI9881C_COMMAND_INSTR(0xA4, 0x15), 627 ILI9881C_COMMAND_INSTR(0xA5, 0x26), 628 ILI9881C_COMMAND_INSTR(0xA6, 0x1A), 629 ILI9881C_COMMAND_INSTR(0xA7, 0x1D), 630 ILI9881C_COMMAND_INSTR(0xA8, 0x67), 631 ILI9881C_COMMAND_INSTR(0xA9, 0x1C), 632 ILI9881C_COMMAND_INSTR(0xAA, 0x29), 633 ILI9881C_COMMAND_INSTR(0xAB, 0x5B), 634 ILI9881C_COMMAND_INSTR(0xAC, 0x26), 635 ILI9881C_COMMAND_INSTR(0xAD, 0x28), 636 ILI9881C_COMMAND_INSTR(0xAE, 0x5C), 637 ILI9881C_COMMAND_INSTR(0xAF, 0x30), 638 ILI9881C_COMMAND_INSTR(0xB0, 0x31), 639 ILI9881C_COMMAND_INSTR(0xB1, 0x2E), 640 ILI9881C_COMMAND_INSTR(0xB2, 0x32), 641 ILI9881C_COMMAND_INSTR(0xB3, 0x00), 642 643 ILI9881C_COMMAND_INSTR(0xC0, 0x00), 644 ILI9881C_COMMAND_INSTR(0xC1, 0x10), 645 ILI9881C_COMMAND_INSTR(0xC2, 0x1C), 646 ILI9881C_COMMAND_INSTR(0xC3, 0x13), 647 ILI9881C_COMMAND_INSTR(0xC4, 0x15), 648 ILI9881C_COMMAND_INSTR(0xC5, 0x26), 649 ILI9881C_COMMAND_INSTR(0xC6, 0x1A), 650 ILI9881C_COMMAND_INSTR(0xC7, 0x1D), 651 ILI9881C_COMMAND_INSTR(0xC8, 0x67), 652 ILI9881C_COMMAND_INSTR(0xC9, 0x1C), 653 ILI9881C_COMMAND_INSTR(0xCA, 0x29), 654 ILI9881C_COMMAND_INSTR(0xCB, 0x5B), 655 ILI9881C_COMMAND_INSTR(0xCC, 0x26), 656 ILI9881C_COMMAND_INSTR(0xCD, 0x28), 657 ILI9881C_COMMAND_INSTR(0xCE, 0x5C), 658 ILI9881C_COMMAND_INSTR(0xCF, 0x30), 659 ILI9881C_COMMAND_INSTR(0xD0, 0x31), 660 ILI9881C_COMMAND_INSTR(0xD1, 0x2E), 661 ILI9881C_COMMAND_INSTR(0xD2, 0x32), 662 ILI9881C_COMMAND_INSTR(0xD3, 0x00), 663 ILI9881C_SWITCH_PAGE_INSTR(0), 664 }; 665 666 static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel) 667 { 668 return container_of(panel, struct ili9881c, panel); 669 } 670 671 /* 672 * The panel seems to accept some private DCS commands that map 673 * directly to registers. 674 * 675 * It is organised by page, with each page having its own set of 676 * registers, and the first page looks like it's holding the standard 677 * DCS commands. 678 * 679 * So before any attempt at sending a command or data, we have to be 680 * sure if we're in the right page or not. 681 */ 682 static int ili9881c_switch_page(struct ili9881c *ctx, u8 page) 683 { 684 u8 buf[4] = { 0xff, 0x98, 0x81, page }; 685 int ret; 686 687 ret = mipi_dsi_dcs_write_buffer(ctx->dsi, buf, sizeof(buf)); 688 if (ret < 0) 689 return ret; 690 691 return 0; 692 } 693 694 static int ili9881c_send_cmd_data(struct ili9881c *ctx, u8 cmd, u8 data) 695 { 696 u8 buf[2] = { cmd, data }; 697 int ret; 698 699 ret = mipi_dsi_dcs_write_buffer(ctx->dsi, buf, sizeof(buf)); 700 if (ret < 0) 701 return ret; 702 703 return 0; 704 } 705 706 static int ili9881c_prepare(struct drm_panel *panel) 707 { 708 struct ili9881c *ctx = panel_to_ili9881c(panel); 709 unsigned int i; 710 int ret; 711 712 /* Power the panel */ 713 ret = regulator_enable(ctx->power); 714 if (ret) 715 return ret; 716 msleep(5); 717 718 /* And reset it */ 719 gpiod_set_value(ctx->reset, 1); 720 msleep(20); 721 722 gpiod_set_value(ctx->reset, 0); 723 msleep(20); 724 725 for (i = 0; i < ctx->desc->init_length; i++) { 726 const struct ili9881c_instr *instr = &ctx->desc->init[i]; 727 728 if (instr->op == ILI9881C_SWITCH_PAGE) 729 ret = ili9881c_switch_page(ctx, instr->arg.page); 730 else if (instr->op == ILI9881C_COMMAND) 731 ret = ili9881c_send_cmd_data(ctx, instr->arg.cmd.cmd, 732 instr->arg.cmd.data); 733 734 if (ret) 735 return ret; 736 } 737 738 ret = ili9881c_switch_page(ctx, 0); 739 if (ret) 740 return ret; 741 742 ret = mipi_dsi_dcs_set_tear_on(ctx->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); 743 if (ret) 744 return ret; 745 746 ret = mipi_dsi_dcs_exit_sleep_mode(ctx->dsi); 747 if (ret) 748 return ret; 749 750 return 0; 751 } 752 753 static int ili9881c_enable(struct drm_panel *panel) 754 { 755 struct ili9881c *ctx = panel_to_ili9881c(panel); 756 757 msleep(120); 758 759 mipi_dsi_dcs_set_display_on(ctx->dsi); 760 761 return 0; 762 } 763 764 static int ili9881c_disable(struct drm_panel *panel) 765 { 766 struct ili9881c *ctx = panel_to_ili9881c(panel); 767 768 return mipi_dsi_dcs_set_display_off(ctx->dsi); 769 } 770 771 static int ili9881c_unprepare(struct drm_panel *panel) 772 { 773 struct ili9881c *ctx = panel_to_ili9881c(panel); 774 775 mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); 776 regulator_disable(ctx->power); 777 gpiod_set_value(ctx->reset, 1); 778 779 return 0; 780 } 781 782 static const struct drm_display_mode lhr050h41_default_mode = { 783 .clock = 62000, 784 785 .hdisplay = 720, 786 .hsync_start = 720 + 10, 787 .hsync_end = 720 + 10 + 20, 788 .htotal = 720 + 10 + 20 + 30, 789 790 .vdisplay = 1280, 791 .vsync_start = 1280 + 10, 792 .vsync_end = 1280 + 10 + 10, 793 .vtotal = 1280 + 10 + 10 + 20, 794 795 .width_mm = 62, 796 .height_mm = 110, 797 }; 798 799 static const struct drm_display_mode k101_im2byl02_default_mode = { 800 .clock = 69700, 801 802 .hdisplay = 800, 803 .hsync_start = 800 + 52, 804 .hsync_end = 800 + 52 + 8, 805 .htotal = 800 + 52 + 8 + 48, 806 807 .vdisplay = 1280, 808 .vsync_start = 1280 + 16, 809 .vsync_end = 1280 + 16 + 6, 810 .vtotal = 1280 + 16 + 6 + 15, 811 812 .width_mm = 135, 813 .height_mm = 217, 814 }; 815 816 static const struct drm_display_mode w552946aba_default_mode = { 817 .clock = 64000, 818 819 .hdisplay = 720, 820 .hsync_start = 720 + 40, 821 .hsync_end = 720 + 40 + 10, 822 .htotal = 720 + 40 + 10 + 40, 823 824 .vdisplay = 1280, 825 .vsync_start = 1280 + 22, 826 .vsync_end = 1280 + 22 + 4, 827 .vtotal = 1280 + 22 + 4 + 11, 828 829 .width_mm = 68, 830 .height_mm = 121, 831 }; 832 833 static int ili9881c_get_modes(struct drm_panel *panel, 834 struct drm_connector *connector) 835 { 836 struct ili9881c *ctx = panel_to_ili9881c(panel); 837 struct drm_display_mode *mode; 838 839 mode = drm_mode_duplicate(connector->dev, ctx->desc->mode); 840 if (!mode) { 841 dev_err(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n", 842 ctx->desc->mode->hdisplay, 843 ctx->desc->mode->vdisplay, 844 drm_mode_vrefresh(ctx->desc->mode)); 845 return -ENOMEM; 846 } 847 848 drm_mode_set_name(mode); 849 850 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 851 drm_mode_probed_add(connector, mode); 852 853 connector->display_info.width_mm = mode->width_mm; 854 connector->display_info.height_mm = mode->height_mm; 855 856 drm_connector_set_panel_orientation(connector, ctx->orientation); 857 858 return 1; 859 } 860 861 static const struct drm_panel_funcs ili9881c_funcs = { 862 .prepare = ili9881c_prepare, 863 .unprepare = ili9881c_unprepare, 864 .enable = ili9881c_enable, 865 .disable = ili9881c_disable, 866 .get_modes = ili9881c_get_modes, 867 }; 868 869 static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) 870 { 871 struct ili9881c *ctx; 872 int ret; 873 874 ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL); 875 if (!ctx) 876 return -ENOMEM; 877 mipi_dsi_set_drvdata(dsi, ctx); 878 ctx->dsi = dsi; 879 ctx->desc = of_device_get_match_data(&dsi->dev); 880 881 drm_panel_init(&ctx->panel, &dsi->dev, &ili9881c_funcs, 882 DRM_MODE_CONNECTOR_DSI); 883 884 ctx->power = devm_regulator_get(&dsi->dev, "power"); 885 if (IS_ERR(ctx->power)) 886 return dev_err_probe(&dsi->dev, PTR_ERR(ctx->power), 887 "Couldn't get our power regulator\n"); 888 889 ctx->reset = devm_gpiod_get_optional(&dsi->dev, "reset", GPIOD_OUT_LOW); 890 if (IS_ERR(ctx->reset)) 891 return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset), 892 "Couldn't get our reset GPIO\n"); 893 894 ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation); 895 if (ret) { 896 dev_err(&dsi->dev, "%pOF: failed to get orientation: %d\n", 897 dsi->dev.of_node, ret); 898 return ret; 899 } 900 901 ret = drm_panel_of_backlight(&ctx->panel); 902 if (ret) 903 return ret; 904 905 drm_panel_add(&ctx->panel); 906 907 dsi->mode_flags = ctx->desc->mode_flags; 908 dsi->format = MIPI_DSI_FMT_RGB888; 909 dsi->lanes = 4; 910 911 return mipi_dsi_attach(dsi); 912 } 913 914 static int ili9881c_dsi_remove(struct mipi_dsi_device *dsi) 915 { 916 struct ili9881c *ctx = mipi_dsi_get_drvdata(dsi); 917 918 mipi_dsi_detach(dsi); 919 drm_panel_remove(&ctx->panel); 920 921 return 0; 922 } 923 924 static const struct ili9881c_desc lhr050h41_desc = { 925 .init = lhr050h41_init, 926 .init_length = ARRAY_SIZE(lhr050h41_init), 927 .mode = &lhr050h41_default_mode, 928 .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE, 929 }; 930 931 static const struct ili9881c_desc k101_im2byl02_desc = { 932 .init = k101_im2byl02_init, 933 .init_length = ARRAY_SIZE(k101_im2byl02_init), 934 .mode = &k101_im2byl02_default_mode, 935 .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE, 936 }; 937 938 static const struct ili9881c_desc w552946aba_desc = { 939 .init = w552946ab_init, 940 .init_length = ARRAY_SIZE(w552946ab_init), 941 .mode = &w552946aba_default_mode, 942 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | 943 MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, 944 }; 945 946 static const struct of_device_id ili9881c_of_match[] = { 947 { .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc }, 948 { .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc }, 949 { .compatible = "wanchanglong,w552946aba", .data = &w552946aba_desc }, 950 { } 951 }; 952 MODULE_DEVICE_TABLE(of, ili9881c_of_match); 953 954 static struct mipi_dsi_driver ili9881c_dsi_driver = { 955 .probe = ili9881c_dsi_probe, 956 .remove = ili9881c_dsi_remove, 957 .driver = { 958 .name = "ili9881c-dsi", 959 .of_match_table = ili9881c_of_match, 960 }, 961 }; 962 module_mipi_dsi_driver(ili9881c_dsi_driver); 963 964 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>"); 965 MODULE_DESCRIPTION("Ilitek ILI9881C Controller Driver"); 966 MODULE_LICENSE("GPL v2"); 967