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