drivers/video/formike.c

   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 }