1 /* 2 * LCD: Formike, TFT 4.3", 480x800, RGB24, KWH043ST20-F01, DriverIC NT35510-16 3 * LCD initialization via SPI 4 * 5 * SPDX-License-Identifier: GPL-2.0 6 * Based on: 7 * 8 */ 9 #include <common.h> 10 #include <errno.h> 11 #include <spi.h> 12 13 #define TAG_READ 0x80 14 #define TAG_WRITE 0x00 15 16 #define TAG_DATA 0x40 17 #define TAG_COMMAND 0x00 18 19 #define TAG_ADDR_H 0x20 20 #define TAG_ADDR_L 0x00 21 22 static int spi_write_tag_val(struct spi_slave *spi, unsigned char tag, 23 unsigned char val) 24 { 25 unsigned long flags = SPI_XFER_BEGIN; 26 u8 buf[2]; 27 int ret; 28 29 buf[0] = tag; 30 ret = spi_xfer(spi, 8, buf, NULL, flags); 31 buf[0] = val; 32 flags = SPI_XFER_END; 33 ret = spi_xfer(spi, 8, buf, NULL, flags); 34 35 #ifdef KWH043ST20_F01_SPI_DEBUG 36 printf("spi_write_tag_val: tag=%02X, val=%02X ret: %d\n", 37 tag, val, ret); 38 #endif /* KWH043ST20_F01_SPI_DEBUG */ 39 if (ret) 40 debug("%s: Failed to send: %d\n", __func__, ret); 41 42 return ret; 43 } 44 45 static void spi_write_dat(struct spi_slave *spi, unsigned int val) 46 { 47 spi_write_tag_val(spi, TAG_WRITE|TAG_DATA, val); 48 } 49 50 static void spi_write_com(struct spi_slave *spi, unsigned int addr) 51 { 52 spi_write_tag_val(spi, TAG_WRITE|TAG_COMMAND|TAG_ADDR_H, 53 (addr & 0xff00) >> 8); 54 spi_write_tag_val(spi, TAG_WRITE|TAG_COMMAND|TAG_ADDR_L, 55 (addr & 0x00ff) >> 0); 56 } 57 58 int kwh043st20_f01_spi_startup(unsigned int bus, unsigned int cs, 59 unsigned int max_hz, unsigned int spi_mode) 60 { 61 struct spi_slave *spi; 62 int ret; 63 64 spi = spi_setup_slave(bus, cs, max_hz, spi_mode); 65 if (!spi) { 66 debug("%s: Failed to set up slave\n", __func__); 67 return -1; 68 } 69 70 ret = spi_claim_bus(spi); 71 if (ret) { 72 debug("%s: Failed to claim SPI bus: %d\n", __func__, ret); 73 goto err_claim_bus; 74 } 75 76 77 /* LV2 Page 1 enable */ 78 spi_write_com(spi, 0xF000); spi_write_dat(spi, 0x55); 79 spi_write_com(spi, 0xF001); spi_write_dat(spi, 0xAA); 80 spi_write_com(spi, 0xF002); spi_write_dat(spi, 0x52); 81 spi_write_com(spi, 0xF003); spi_write_dat(spi, 0x08); 82 spi_write_com(spi, 0xF004); spi_write_dat(spi, 0x01); 83 84 /* AVDD Set AVDD 5.2V */ 85 spi_write_com(spi, 0xB000); spi_write_dat(spi, 0x0D); 86 spi_write_com(spi, 0xB001); spi_write_dat(spi, 0x0D); 87 spi_write_com(spi, 0xB002); spi_write_dat(spi, 0x0D); 88 89 /* AVDD ratio */ 90 spi_write_com(spi, 0xB600); spi_write_dat(spi, 0x34); 91 spi_write_com(spi, 0xB601); spi_write_dat(spi, 0x34); 92 spi_write_com(spi, 0xB602); spi_write_dat(spi, 0x34); 93 94 /* AVEE -5.2V */ 95 spi_write_com(spi, 0xB100); spi_write_dat(spi, 0x0D); 96 spi_write_com(spi, 0xB101); spi_write_dat(spi, 0x0D); 97 spi_write_com(spi, 0xB102); spi_write_dat(spi, 0x0D); 98 99 /* AVEE ratio */ 100 spi_write_com(spi, 0xB700); spi_write_dat(spi, 0x35); 101 spi_write_com(spi, 0xB701); spi_write_dat(spi, 0x35); 102 spi_write_com(spi, 0xB702); spi_write_dat(spi, 0x35); 103 104 /* VCL -2.5V */ 105 spi_write_com(spi, 0xB200); spi_write_dat(spi, 0x00); 106 spi_write_com(spi, 0xB201); spi_write_dat(spi, 0x00); 107 spi_write_com(spi, 0xB202); spi_write_dat(spi, 0x00); 108 109 /* VCL ratio */ 110 spi_write_com(spi, 0xB800); spi_write_dat(spi, 0x24); 111 spi_write_com(spi, 0xB801); spi_write_dat(spi, 0x24); 112 spi_write_com(spi, 0xB802); spi_write_dat(spi, 0x24); 113 114 /* VGH 15V */ 115 spi_write_com(spi, 0xBF00); spi_write_dat(spi, 0x01); 116 spi_write_com(spi, 0xB300); spi_write_dat(spi, 0x08); 117 spi_write_com(spi, 0xB301); spi_write_dat(spi, 0x08); 118 spi_write_com(spi, 0xB302); spi_write_dat(spi, 0x08); 119 120 /* VGH ratio */ 121 spi_write_com(spi, 0xB900); spi_write_dat(spi, 0x34); 122 spi_write_com(spi, 0xB901); spi_write_dat(spi, 0x34); 123 spi_write_com(spi, 0xB902); spi_write_dat(spi, 0x34); 124 125 /* VGLX ratio */ 126 spi_write_com(spi, 0xBA00); spi_write_dat(spi, 0x24); 127 spi_write_com(spi, 0xBA01); spi_write_dat(spi, 0x24); 128 spi_write_com(spi, 0xBA02); spi_write_dat(spi, 0x24); 129 130 /* VGMP/VGSP 4.7V/0V */ 131 spi_write_com(spi, 0xBC00); spi_write_dat(spi, 0x00); 132 spi_write_com(spi, 0xBC01); spi_write_dat(spi, 0x88); 133 spi_write_com(spi, 0xBC02); spi_write_dat(spi, 0x00); 134 135 /* VGMN/VGSN -4.7V/0V */ 136 spi_write_com(spi, 0xBD00); spi_write_dat(spi, 0x00); 137 spi_write_com(spi, 0xBD01); spi_write_dat(spi, 0x88); 138 spi_write_com(spi, 0xBD02); spi_write_dat(spi, 0x00); 139 140 /* VCOM 1.525V */ 141 spi_write_com(spi, 0xBE00); spi_write_dat(spi, 0x00); 142 spi_write_com(spi, 0xBE01); spi_write_dat(spi, 0x7A); 143 144 /* Gamma Setting */ 145 spi_write_com(spi, 0xD100); spi_write_dat(spi, 0x00); 146 spi_write_com(spi, 0xD101); spi_write_dat(spi, 0x05); 147 spi_write_com(spi, 0xD102); spi_write_dat(spi, 0x00); 148 spi_write_com(spi, 0xD103); spi_write_dat(spi, 0x15); 149 spi_write_com(spi, 0xD104); spi_write_dat(spi, 0x00); 150 spi_write_com(spi, 0xD105); spi_write_dat(spi, 0x30); 151 spi_write_com(spi, 0xD106); spi_write_dat(spi, 0x00); 152 spi_write_com(spi, 0xD107); spi_write_dat(spi, 0x47); 153 spi_write_com(spi, 0xD108); spi_write_dat(spi, 0x00); 154 spi_write_com(spi, 0xD109); spi_write_dat(spi, 0x5B); 155 spi_write_com(spi, 0xD10A); spi_write_dat(spi, 0x00); 156 spi_write_com(spi, 0xD10B); spi_write_dat(spi, 0x7D); 157 spi_write_com(spi, 0xD10C); spi_write_dat(spi, 0x00); 158 spi_write_com(spi, 0xD10D); spi_write_dat(spi, 0x9D); 159 spi_write_com(spi, 0xD10E); spi_write_dat(spi, 0x00); 160 spi_write_com(spi, 0xD10F); spi_write_dat(spi, 0xCC); 161 spi_write_com(spi, 0xD110); spi_write_dat(spi, 0x00); 162 spi_write_com(spi, 0xD111); spi_write_dat(spi, 0xF3); 163 spi_write_com(spi, 0xD112); spi_write_dat(spi, 0x01); 164 spi_write_com(spi, 0xD113); spi_write_dat(spi, 0x32); 165 spi_write_com(spi, 0xD114); spi_write_dat(spi, 0x01); 166 spi_write_com(spi, 0xD115); spi_write_dat(spi, 0x63); 167 spi_write_com(spi, 0xD116); spi_write_dat(spi, 0x01); 168 spi_write_com(spi, 0xD117); spi_write_dat(spi, 0xB1); 169 spi_write_com(spi, 0xD118); spi_write_dat(spi, 0x01); 170 spi_write_com(spi, 0xD119); spi_write_dat(spi, 0xF0); 171 spi_write_com(spi, 0xD11A); spi_write_dat(spi, 0x01); 172 spi_write_com(spi, 0xD11B); spi_write_dat(spi, 0xF2); 173 spi_write_com(spi, 0xD11C); spi_write_dat(spi, 0x02); 174 spi_write_com(spi, 0xD11D); spi_write_dat(spi, 0x2A); 175 spi_write_com(spi, 0xD11E); spi_write_dat(spi, 0x02); 176 spi_write_com(spi, 0xD11F); spi_write_dat(spi, 0x67); 177 spi_write_com(spi, 0xD120); spi_write_dat(spi, 0x02); 178 spi_write_com(spi, 0xD121); spi_write_dat(spi, 0x90); 179 spi_write_com(spi, 0xD122); spi_write_dat(spi, 0x02); 180 spi_write_com(spi, 0xD123); spi_write_dat(spi, 0xCB); 181 spi_write_com(spi, 0xD124); spi_write_dat(spi, 0x02); 182 spi_write_com(spi, 0xD125); spi_write_dat(spi, 0xF2); 183 spi_write_com(spi, 0xD126); spi_write_dat(spi, 0x03); 184 spi_write_com(spi, 0xD127); spi_write_dat(spi, 0x2A); 185 spi_write_com(spi, 0xD128); spi_write_dat(spi, 0x03); 186 spi_write_com(spi, 0xD129); spi_write_dat(spi, 0x51); 187 spi_write_com(spi, 0xD12A); spi_write_dat(spi, 0x03); 188 spi_write_com(spi, 0xD12B); spi_write_dat(spi, 0x80); 189 spi_write_com(spi, 0xD12C); spi_write_dat(spi, 0x03); 190 spi_write_com(spi, 0xD12D); spi_write_dat(spi, 0x9F); 191 spi_write_com(spi, 0xD12E); spi_write_dat(spi, 0x03); 192 spi_write_com(spi, 0xD12F); spi_write_dat(spi, 0xBE); 193 spi_write_com(spi, 0xD130); spi_write_dat(spi, 0x03); 194 spi_write_com(spi, 0xD131); spi_write_dat(spi, 0xF9); 195 spi_write_com(spi, 0xD132); spi_write_dat(spi, 0x03); 196 spi_write_com(spi, 0xD133); spi_write_dat(spi, 0xFF); 197 198 spi_write_com(spi, 0xD200); spi_write_dat(spi, 0x00); 199 spi_write_com(spi, 0xD201); spi_write_dat(spi, 0x05); 200 spi_write_com(spi, 0xD202); spi_write_dat(spi, 0x00); 201 spi_write_com(spi, 0xD203); spi_write_dat(spi, 0x15); 202 spi_write_com(spi, 0xD204); spi_write_dat(spi, 0x00); 203 spi_write_com(spi, 0xD205); spi_write_dat(spi, 0x30); 204 spi_write_com(spi, 0xD206); spi_write_dat(spi, 0x00); 205 spi_write_com(spi, 0xD207); spi_write_dat(spi, 0x47); 206 spi_write_com(spi, 0xD208); spi_write_dat(spi, 0x00); 207 spi_write_com(spi, 0xD209); spi_write_dat(spi, 0x5B); 208 spi_write_com(spi, 0xD20A); spi_write_dat(spi, 0x00); 209 spi_write_com(spi, 0xD20B); spi_write_dat(spi, 0x7D); 210 spi_write_com(spi, 0xD20C); spi_write_dat(spi, 0x00); 211 spi_write_com(spi, 0xD20D); spi_write_dat(spi, 0x9D); 212 spi_write_com(spi, 0xD20E); spi_write_dat(spi, 0x00); 213 spi_write_com(spi, 0xD20F); spi_write_dat(spi, 0xCC); 214 spi_write_com(spi, 0xD210); spi_write_dat(spi, 0x00); 215 spi_write_com(spi, 0xD211); spi_write_dat(spi, 0xF3); 216 spi_write_com(spi, 0xD212); spi_write_dat(spi, 0x01); 217 spi_write_com(spi, 0xD213); spi_write_dat(spi, 0x32); 218 spi_write_com(spi, 0xD214); spi_write_dat(spi, 0x01); 219 spi_write_com(spi, 0xD215); spi_write_dat(spi, 0x63); 220 spi_write_com(spi, 0xD216); spi_write_dat(spi, 0x01); 221 spi_write_com(spi, 0xD217); spi_write_dat(spi, 0xB1); 222 spi_write_com(spi, 0xD218); spi_write_dat(spi, 0x01); 223 spi_write_com(spi, 0xD219); spi_write_dat(spi, 0xF0); 224 spi_write_com(spi, 0xD21A); spi_write_dat(spi, 0x01); 225 spi_write_com(spi, 0xD21B); spi_write_dat(spi, 0xF2); 226 spi_write_com(spi, 0xD21C); spi_write_dat(spi, 0x02); 227 spi_write_com(spi, 0xD21D); spi_write_dat(spi, 0x2A); 228 spi_write_com(spi, 0xD21E); spi_write_dat(spi, 0x02); 229 spi_write_com(spi, 0xD21F); spi_write_dat(spi, 0x67); 230 spi_write_com(spi, 0xD220); spi_write_dat(spi, 0x02); 231 spi_write_com(spi, 0xD221); spi_write_dat(spi, 0x90); 232 spi_write_com(spi, 0xD222); spi_write_dat(spi, 0x02); 233 spi_write_com(spi, 0xD223); spi_write_dat(spi, 0xCB); 234 spi_write_com(spi, 0xD224); spi_write_dat(spi, 0x02); 235 spi_write_com(spi, 0xD225); spi_write_dat(spi, 0xF2); 236 spi_write_com(spi, 0xD226); spi_write_dat(spi, 0x03); 237 spi_write_com(spi, 0xD227); spi_write_dat(spi, 0x2A); 238 spi_write_com(spi, 0xD228); spi_write_dat(spi, 0x03); 239 spi_write_com(spi, 0xD229); spi_write_dat(spi, 0x51); 240 spi_write_com(spi, 0xD22A); spi_write_dat(spi, 0x03); 241 spi_write_com(spi, 0xD22B); spi_write_dat(spi, 0x80); 242 spi_write_com(spi, 0xD22C); spi_write_dat(spi, 0x03); 243 spi_write_com(spi, 0xD22D); spi_write_dat(spi, 0x9F); 244 spi_write_com(spi, 0xD22E); spi_write_dat(spi, 0x03); 245 spi_write_com(spi, 0xD22F); spi_write_dat(spi, 0xBE); 246 spi_write_com(spi, 0xD230); spi_write_dat(spi, 0x03); 247 spi_write_com(spi, 0xD231); spi_write_dat(spi, 0xF9); 248 spi_write_com(spi, 0xD232); spi_write_dat(spi, 0x03); 249 spi_write_com(spi, 0xD233); spi_write_dat(spi, 0xFF); 250 251 spi_write_com(spi, 0xD300); spi_write_dat(spi, 0x00); 252 spi_write_com(spi, 0xD301); spi_write_dat(spi, 0x05); 253 spi_write_com(spi, 0xD302); spi_write_dat(spi, 0x00); 254 spi_write_com(spi, 0xD303); spi_write_dat(spi, 0x15); 255 spi_write_com(spi, 0xD304); spi_write_dat(spi, 0x00); 256 spi_write_com(spi, 0xD305); spi_write_dat(spi, 0x30); 257 spi_write_com(spi, 0xD306); spi_write_dat(spi, 0x00); 258 spi_write_com(spi, 0xD307); spi_write_dat(spi, 0x47); 259 spi_write_com(spi, 0xD308); spi_write_dat(spi, 0x00); 260 spi_write_com(spi, 0xD309); spi_write_dat(spi, 0x5B); 261 spi_write_com(spi, 0xD30A); spi_write_dat(spi, 0x00); 262 spi_write_com(spi, 0xD30B); spi_write_dat(spi, 0x7D); 263 spi_write_com(spi, 0xD30C); spi_write_dat(spi, 0x00); 264 spi_write_com(spi, 0xD30D); spi_write_dat(spi, 0x9D); 265 spi_write_com(spi, 0xD30E); spi_write_dat(spi, 0x00); 266 spi_write_com(spi, 0xD30F); spi_write_dat(spi, 0xCC); 267 spi_write_com(spi, 0xD310); spi_write_dat(spi, 0x00); 268 spi_write_com(spi, 0xD311); spi_write_dat(spi, 0xF3); 269 spi_write_com(spi, 0xD312); spi_write_dat(spi, 0x01); 270 spi_write_com(spi, 0xD313); spi_write_dat(spi, 0x32); 271 spi_write_com(spi, 0xD314); spi_write_dat(spi, 0x01); 272 spi_write_com(spi, 0xD315); spi_write_dat(spi, 0x63); 273 spi_write_com(spi, 0xD316); spi_write_dat(spi, 0x01); 274 spi_write_com(spi, 0xD317); spi_write_dat(spi, 0xB1); 275 spi_write_com(spi, 0xD318); spi_write_dat(spi, 0x01); 276 spi_write_com(spi, 0xD319); spi_write_dat(spi, 0xF0); 277 spi_write_com(spi, 0xD31A); spi_write_dat(spi, 0x01); 278 spi_write_com(spi, 0xD31B); spi_write_dat(spi, 0xF2); 279 spi_write_com(spi, 0xD31C); spi_write_dat(spi, 0x02); 280 spi_write_com(spi, 0xD31D); spi_write_dat(spi, 0x2A); 281 spi_write_com(spi, 0xD31E); spi_write_dat(spi, 0x02); 282 spi_write_com(spi, 0xD31F); spi_write_dat(spi, 0x67); 283 spi_write_com(spi, 0xD320); spi_write_dat(spi, 0x02); 284 spi_write_com(spi, 0xD321); spi_write_dat(spi, 0x90); 285 spi_write_com(spi, 0xD322); spi_write_dat(spi, 0x02); 286 spi_write_com(spi, 0xD323); spi_write_dat(spi, 0xCB); 287 spi_write_com(spi, 0xD324); spi_write_dat(spi, 0x02); 288 spi_write_com(spi, 0xD325); spi_write_dat(spi, 0xF2); 289 spi_write_com(spi, 0xD326); spi_write_dat(spi, 0x03); 290 spi_write_com(spi, 0xD327); spi_write_dat(spi, 0x2A); 291 spi_write_com(spi, 0xD328); spi_write_dat(spi, 0x03); 292 spi_write_com(spi, 0xD329); spi_write_dat(spi, 0x51); 293 spi_write_com(spi, 0xD32A); spi_write_dat(spi, 0x03); 294 spi_write_com(spi, 0xD32B); spi_write_dat(spi, 0x80); 295 spi_write_com(spi, 0xD32C); spi_write_dat(spi, 0x03); 296 spi_write_com(spi, 0xD32D); spi_write_dat(spi, 0x9F); 297 spi_write_com(spi, 0xD32E); spi_write_dat(spi, 0x03); 298 spi_write_com(spi, 0xD32F); spi_write_dat(spi, 0xBE); 299 spi_write_com(spi, 0xD330); spi_write_dat(spi, 0x03); 300 spi_write_com(spi, 0xD331); spi_write_dat(spi, 0xF9); 301 spi_write_com(spi, 0xD332); spi_write_dat(spi, 0x03); 302 spi_write_com(spi, 0xD333); spi_write_dat(spi, 0xFF); 303 304 spi_write_com(spi, 0xD400); spi_write_dat(spi, 0x00); 305 spi_write_com(spi, 0xD401); spi_write_dat(spi, 0x05); 306 spi_write_com(spi, 0xD402); spi_write_dat(spi, 0x00); 307 spi_write_com(spi, 0xD403); spi_write_dat(spi, 0x15); 308 spi_write_com(spi, 0xD404); spi_write_dat(spi, 0x00); 309 spi_write_com(spi, 0xD405); spi_write_dat(spi, 0x30); 310 spi_write_com(spi, 0xD406); spi_write_dat(spi, 0x00); 311 spi_write_com(spi, 0xD407); spi_write_dat(spi, 0x47); 312 spi_write_com(spi, 0xD408); spi_write_dat(spi, 0x00); 313 spi_write_com(spi, 0xD409); spi_write_dat(spi, 0x5B); 314 spi_write_com(spi, 0xD40A); spi_write_dat(spi, 0x00); 315 spi_write_com(spi, 0xD40B); spi_write_dat(spi, 0x7D); 316 spi_write_com(spi, 0xD40C); spi_write_dat(spi, 0x00); 317 spi_write_com(spi, 0xD40D); spi_write_dat(spi, 0x9D); 318 spi_write_com(spi, 0xD40E); spi_write_dat(spi, 0x00); 319 spi_write_com(spi, 0xD40F); spi_write_dat(spi, 0xCC); 320 spi_write_com(spi, 0xD410); spi_write_dat(spi, 0x00); 321 spi_write_com(spi, 0xD411); spi_write_dat(spi, 0xF3); 322 spi_write_com(spi, 0xD412); spi_write_dat(spi, 0x01); 323 spi_write_com(spi, 0xD413); spi_write_dat(spi, 0x32); 324 spi_write_com(spi, 0xD414); spi_write_dat(spi, 0x01); 325 spi_write_com(spi, 0xD415); spi_write_dat(spi, 0x63); 326 spi_write_com(spi, 0xD416); spi_write_dat(spi, 0x01); 327 spi_write_com(spi, 0xD417); spi_write_dat(spi, 0xB1); 328 spi_write_com(spi, 0xD418); spi_write_dat(spi, 0x01); 329 spi_write_com(spi, 0xD419); spi_write_dat(spi, 0xF0); 330 spi_write_com(spi, 0xD41A); spi_write_dat(spi, 0x01); 331 spi_write_com(spi, 0xD41B); spi_write_dat(spi, 0xF2); 332 spi_write_com(spi, 0xD41C); spi_write_dat(spi, 0x02); 333 spi_write_com(spi, 0xD41D); spi_write_dat(spi, 0x2A); 334 spi_write_com(spi, 0xD41E); spi_write_dat(spi, 0x02); 335 spi_write_com(spi, 0xD41F); spi_write_dat(spi, 0x67); 336 spi_write_com(spi, 0xD420); spi_write_dat(spi, 0x02); 337 spi_write_com(spi, 0xD421); spi_write_dat(spi, 0x90); 338 spi_write_com(spi, 0xD422); spi_write_dat(spi, 0x02); 339 spi_write_com(spi, 0xD423); spi_write_dat(spi, 0xCB); 340 spi_write_com(spi, 0xD424); spi_write_dat(spi, 0x02); 341 spi_write_com(spi, 0xD425); spi_write_dat(spi, 0xF2); 342 spi_write_com(spi, 0xD426); spi_write_dat(spi, 0x03); 343 spi_write_com(spi, 0xD427); spi_write_dat(spi, 0x2A); 344 spi_write_com(spi, 0xD428); spi_write_dat(spi, 0x03); 345 spi_write_com(spi, 0xD429); spi_write_dat(spi, 0x51); 346 spi_write_com(spi, 0xD42A); spi_write_dat(spi, 0x03); 347 spi_write_com(spi, 0xD42B); spi_write_dat(spi, 0x80); 348 spi_write_com(spi, 0xD42C); spi_write_dat(spi, 0x03); 349 spi_write_com(spi, 0xD42D); spi_write_dat(spi, 0x9F); 350 spi_write_com(spi, 0xD42E); spi_write_dat(spi, 0x03); 351 spi_write_com(spi, 0xD42F); spi_write_dat(spi, 0xBE); 352 spi_write_com(spi, 0xD430); spi_write_dat(spi, 0x03); 353 spi_write_com(spi, 0xD431); spi_write_dat(spi, 0xF9); 354 spi_write_com(spi, 0xD432); spi_write_dat(spi, 0x03); 355 spi_write_com(spi, 0xD433); spi_write_dat(spi, 0xFF); 356 357 spi_write_com(spi, 0xD500); spi_write_dat(spi, 0x00); 358 spi_write_com(spi, 0xD501); spi_write_dat(spi, 0x05); 359 spi_write_com(spi, 0xD502); spi_write_dat(spi, 0x00); 360 spi_write_com(spi, 0xD503); spi_write_dat(spi, 0x15); 361 spi_write_com(spi, 0xD504); spi_write_dat(spi, 0x00); 362 spi_write_com(spi, 0xD505); spi_write_dat(spi, 0x30); 363 spi_write_com(spi, 0xD506); spi_write_dat(spi, 0x00); 364 spi_write_com(spi, 0xD507); spi_write_dat(spi, 0x47); 365 spi_write_com(spi, 0xD508); spi_write_dat(spi, 0x00); 366 spi_write_com(spi, 0xD509); spi_write_dat(spi, 0x5B); 367 spi_write_com(spi, 0xD50A); spi_write_dat(spi, 0x00); 368 spi_write_com(spi, 0xD50B); spi_write_dat(spi, 0x7D); 369 spi_write_com(spi, 0xD50C); spi_write_dat(spi, 0x00); 370 spi_write_com(spi, 0xD50D); spi_write_dat(spi, 0x9D); 371 spi_write_com(spi, 0xD50E); spi_write_dat(spi, 0x00); 372 spi_write_com(spi, 0xD50F); spi_write_dat(spi, 0xCC); 373 spi_write_com(spi, 0xD510); spi_write_dat(spi, 0x00); 374 spi_write_com(spi, 0xD511); spi_write_dat(spi, 0xF3); 375 spi_write_com(spi, 0xD512); spi_write_dat(spi, 0x01); 376 spi_write_com(spi, 0xD513); spi_write_dat(spi, 0x32); 377 spi_write_com(spi, 0xD514); spi_write_dat(spi, 0x01); 378 spi_write_com(spi, 0xD515); spi_write_dat(spi, 0x63); 379 spi_write_com(spi, 0xD516); spi_write_dat(spi, 0x01); 380 spi_write_com(spi, 0xD517); spi_write_dat(spi, 0xB1); 381 spi_write_com(spi, 0xD518); spi_write_dat(spi, 0x01); 382 spi_write_com(spi, 0xD519); spi_write_dat(spi, 0xF0); 383 spi_write_com(spi, 0xD51A); spi_write_dat(spi, 0x01); 384 spi_write_com(spi, 0xD51B); spi_write_dat(spi, 0xF2); 385 spi_write_com(spi, 0xD51C); spi_write_dat(spi, 0x02); 386 spi_write_com(spi, 0xD51D); spi_write_dat(spi, 0x2A); 387 spi_write_com(spi, 0xD51E); spi_write_dat(spi, 0x02); 388 spi_write_com(spi, 0xD51F); spi_write_dat(spi, 0x67); 389 spi_write_com(spi, 0xD520); spi_write_dat(spi, 0x02); 390 spi_write_com(spi, 0xD521); spi_write_dat(spi, 0x90); 391 spi_write_com(spi, 0xD522); spi_write_dat(spi, 0x02); 392 spi_write_com(spi, 0xD523); spi_write_dat(spi, 0xCB); 393 spi_write_com(spi, 0xD524); spi_write_dat(spi, 0x02); 394 spi_write_com(spi, 0xD525); spi_write_dat(spi, 0xF2); 395 spi_write_com(spi, 0xD526); spi_write_dat(spi, 0x03); 396 spi_write_com(spi, 0xD527); spi_write_dat(spi, 0x2A); 397 spi_write_com(spi, 0xD528); spi_write_dat(spi, 0x03); 398 spi_write_com(spi, 0xD529); spi_write_dat(spi, 0x51); 399 spi_write_com(spi, 0xD52A); spi_write_dat(spi, 0x03); 400 spi_write_com(spi, 0xD52B); spi_write_dat(spi, 0x80); 401 spi_write_com(spi, 0xD52C); spi_write_dat(spi, 0x03); 402 spi_write_com(spi, 0xD52D); spi_write_dat(spi, 0x9F); 403 spi_write_com(spi, 0xD52E); spi_write_dat(spi, 0x03); 404 spi_write_com(spi, 0xD52F); spi_write_dat(spi, 0xBE); 405 spi_write_com(spi, 0xD530); spi_write_dat(spi, 0x03); 406 spi_write_com(spi, 0xD531); spi_write_dat(spi, 0xF9); 407 spi_write_com(spi, 0xD532); spi_write_dat(spi, 0x03); 408 spi_write_com(spi, 0xD533); spi_write_dat(spi, 0xFF); 409 410 spi_write_com(spi, 0xD600); spi_write_dat(spi, 0x00); 411 spi_write_com(spi, 0xD601); spi_write_dat(spi, 0x05); 412 spi_write_com(spi, 0xD602); spi_write_dat(spi, 0x00); 413 spi_write_com(spi, 0xD603); spi_write_dat(spi, 0x15); 414 spi_write_com(spi, 0xD604); spi_write_dat(spi, 0x00); 415 spi_write_com(spi, 0xD605); spi_write_dat(spi, 0x30); 416 spi_write_com(spi, 0xD606); spi_write_dat(spi, 0x00); 417 spi_write_com(spi, 0xD607); spi_write_dat(spi, 0x47); 418 spi_write_com(spi, 0xD608); spi_write_dat(spi, 0x00); 419 spi_write_com(spi, 0xD609); spi_write_dat(spi, 0x5B); 420 spi_write_com(spi, 0xD60A); spi_write_dat(spi, 0x00); 421 spi_write_com(spi, 0xD60B); spi_write_dat(spi, 0x7D); 422 spi_write_com(spi, 0xD60C); spi_write_dat(spi, 0x00); 423 spi_write_com(spi, 0xD60D); spi_write_dat(spi, 0x9D); 424 spi_write_com(spi, 0xD60E); spi_write_dat(spi, 0x00); 425 spi_write_com(spi, 0xD60F); spi_write_dat(spi, 0xCC); 426 spi_write_com(spi, 0xD610); spi_write_dat(spi, 0x00); 427 spi_write_com(spi, 0xD611); spi_write_dat(spi, 0xF3); 428 spi_write_com(spi, 0xD612); spi_write_dat(spi, 0x01); 429 spi_write_com(spi, 0xD613); spi_write_dat(spi, 0x32); 430 spi_write_com(spi, 0xD614); spi_write_dat(spi, 0x01); 431 spi_write_com(spi, 0xD615); spi_write_dat(spi, 0x63); 432 spi_write_com(spi, 0xD616); spi_write_dat(spi, 0x01); 433 spi_write_com(spi, 0xD617); spi_write_dat(spi, 0xB1); 434 spi_write_com(spi, 0xD618); spi_write_dat(spi, 0x01); 435 spi_write_com(spi, 0xD619); spi_write_dat(spi, 0xF0); 436 spi_write_com(spi, 0xD61A); spi_write_dat(spi, 0x01); 437 spi_write_com(spi, 0xD61B); spi_write_dat(spi, 0xF2); 438 spi_write_com(spi, 0xD61C); spi_write_dat(spi, 0x02); 439 spi_write_com(spi, 0xD61D); spi_write_dat(spi, 0x2A); 440 spi_write_com(spi, 0xD61E); spi_write_dat(spi, 0x02); 441 spi_write_com(spi, 0xD61F); spi_write_dat(spi, 0x67); 442 spi_write_com(spi, 0xD620); spi_write_dat(spi, 0x02); 443 spi_write_com(spi, 0xD621); spi_write_dat(spi, 0x90); 444 spi_write_com(spi, 0xD622); spi_write_dat(spi, 0x02); 445 spi_write_com(spi, 0xD623); spi_write_dat(spi, 0xCB); 446 spi_write_com(spi, 0xD624); spi_write_dat(spi, 0x02); 447 spi_write_com(spi, 0xD625); spi_write_dat(spi, 0xF2); 448 spi_write_com(spi, 0xD626); spi_write_dat(spi, 0x03); 449 spi_write_com(spi, 0xD627); spi_write_dat(spi, 0x2A); 450 spi_write_com(spi, 0xD628); spi_write_dat(spi, 0x03); 451 spi_write_com(spi, 0xD629); spi_write_dat(spi, 0x51); 452 spi_write_com(spi, 0xD62A); spi_write_dat(spi, 0x03); 453 spi_write_com(spi, 0xD62B); spi_write_dat(spi, 0x80); 454 spi_write_com(spi, 0xD62C); spi_write_dat(spi, 0x03); 455 spi_write_com(spi, 0xD62D); spi_write_dat(spi, 0x9F); 456 spi_write_com(spi, 0xD62E); spi_write_dat(spi, 0x03); 457 spi_write_com(spi, 0xD62F); spi_write_dat(spi, 0xBE); 458 spi_write_com(spi, 0xD630); spi_write_dat(spi, 0x03); 459 spi_write_com(spi, 0xD631); spi_write_dat(spi, 0xF9); 460 spi_write_com(spi, 0xD632); spi_write_dat(spi, 0x03); 461 spi_write_com(spi, 0xD633); spi_write_dat(spi, 0xFF); 462 463 /* LV2 Page 0 enable */ 464 spi_write_com(spi, 0xF000); spi_write_dat(spi, 0x55); 465 spi_write_com(spi, 0xF001); spi_write_dat(spi, 0xAA); 466 spi_write_com(spi, 0xF002); spi_write_dat(spi, 0x52); 467 spi_write_com(spi, 0xF003); spi_write_dat(spi, 0x08); 468 spi_write_com(spi, 0xF004); spi_write_dat(spi, 0x00); 469 470 /* Display control */ 471 spi_write_com(spi, 0xB100); spi_write_dat(spi, 0xFC); 472 spi_write_com(spi, 0xB101); spi_write_dat(spi, 0x00); 473 474 /* Source hold time */ 475 spi_write_com(spi, 0xB600); spi_write_dat(spi, 0x05); 476 477 /* Gate EQ control */ 478 spi_write_com(spi, 0xB700); spi_write_dat(spi, 0x70); 479 spi_write_com(spi, 0xB701); spi_write_dat(spi, 0x70); 480 481 /* Source EQ control (Mode 2) */ 482 spi_write_com(spi, 0xB800); spi_write_dat(spi, 0x01); 483 spi_write_com(spi, 0xB801); spi_write_dat(spi, 0x05); 484 spi_write_com(spi, 0xB802); spi_write_dat(spi, 0x05); 485 spi_write_com(spi, 0xB803); spi_write_dat(spi, 0x05); 486 487 /* Inversion mode (Column) */ 488 spi_write_com(spi, 0xBC00); spi_write_dat(spi, 0x00); 489 spi_write_com(spi, 0xBC01); spi_write_dat(spi, 0x00); 490 spi_write_com(spi, 0xBC02); spi_write_dat(spi, 0x00); 491 492 /* Timing control 8phase dual side/4H/4delay/RST_EN */ 493 spi_write_com(spi, 0xC900); spi_write_dat(spi, 0xD0); 494 spi_write_com(spi, 0xC901); spi_write_dat(spi, 0x82); 495 spi_write_com(spi, 0xC902); spi_write_dat(spi, 0x50); 496 spi_write_com(spi, 0xC903); spi_write_dat(spi, 0x50); 497 spi_write_com(spi, 0xC904); spi_write_dat(spi, 0x50); 498 499 spi_write_com(spi, 0x3A00); spi_write_dat(spi, 0x55); 500 mdelay(120); 501 spi_write_com(spi, 0x1100); 502 mdelay(120); 503 spi_write_com(spi, 0x2900); 504 mdelay(120); 505 /* spi_write_com(spi, 0x2100); spi_write_dat(spi, 0x00); */ 506 spi_write_com(spi, 0x2C00); 507 508 return 0; 509 err_claim_bus: 510 spi_free_slave(spi); 511 return -1; 512 } 513