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 <log.h>
11 #include <spi.h>
12 #include <linux/delay.h>
13
14 #define TAG_READ 0x80
15 #define TAG_WRITE 0x00
16
17 #define TAG_DATA 0x40
18 #define TAG_COMMAND 0x00
19
20 #define TAG_ADDR_H 0x20
21 #define TAG_ADDR_L 0x00
22
spi_write_tag_val(struct spi_slave * spi,unsigned char tag,unsigned char val)23 static int spi_write_tag_val(struct spi_slave *spi, unsigned char tag,
24 unsigned char val)
25 {
26 unsigned long flags = SPI_XFER_BEGIN;
27 u8 buf[2];
28 int ret;
29
30 buf[0] = tag;
31 ret = spi_xfer(spi, 8, buf, NULL, flags);
32 buf[0] = val;
33 flags = SPI_XFER_END;
34 ret = spi_xfer(spi, 8, buf, NULL, flags);
35
36 #ifdef KWH043ST20_F01_SPI_DEBUG
37 printf("spi_write_tag_val: tag=%02X, val=%02X ret: %d\n",
38 tag, val, ret);
39 #endif /* KWH043ST20_F01_SPI_DEBUG */
40 if (ret)
41 debug("%s: Failed to send: %d\n", __func__, ret);
42
43 return ret;
44 }
45
spi_write_dat(struct spi_slave * spi,unsigned int val)46 static void spi_write_dat(struct spi_slave *spi, unsigned int val)
47 {
48 spi_write_tag_val(spi, TAG_WRITE|TAG_DATA, val);
49 }
50
spi_write_com(struct spi_slave * spi,unsigned int addr)51 static void spi_write_com(struct spi_slave *spi, unsigned int addr)
52 {
53 spi_write_tag_val(spi, TAG_WRITE|TAG_COMMAND|TAG_ADDR_H,
54 (addr & 0xff00) >> 8);
55 spi_write_tag_val(spi, TAG_WRITE|TAG_COMMAND|TAG_ADDR_L,
56 (addr & 0x00ff) >> 0);
57 }
58
kwh043st20_f01_spi_startup(unsigned int bus,unsigned int cs,unsigned int max_hz,unsigned int spi_mode)59 int kwh043st20_f01_spi_startup(unsigned int bus, unsigned int cs,
60 unsigned int max_hz, unsigned int spi_mode)
61 {
62 struct spi_slave *spi;
63 int ret;
64
65 spi = spi_setup_slave(bus, cs, max_hz, spi_mode);
66 if (!spi) {
67 debug("%s: Failed to set up slave\n", __func__);
68 return -1;
69 }
70
71 ret = spi_claim_bus(spi);
72 if (ret) {
73 debug("%s: Failed to claim SPI bus: %d\n", __func__, ret);
74 goto err_claim_bus;
75 }
76
77
78 /* LV2 Page 1 enable */
79 spi_write_com(spi, 0xF000); spi_write_dat(spi, 0x55);
80 spi_write_com(spi, 0xF001); spi_write_dat(spi, 0xAA);
81 spi_write_com(spi, 0xF002); spi_write_dat(spi, 0x52);
82 spi_write_com(spi, 0xF003); spi_write_dat(spi, 0x08);
83 spi_write_com(spi, 0xF004); spi_write_dat(spi, 0x01);
84
85 /* AVDD Set AVDD 5.2V */
86 spi_write_com(spi, 0xB000); spi_write_dat(spi, 0x0D);
87 spi_write_com(spi, 0xB001); spi_write_dat(spi, 0x0D);
88 spi_write_com(spi, 0xB002); spi_write_dat(spi, 0x0D);
89
90 /* AVDD ratio */
91 spi_write_com(spi, 0xB600); spi_write_dat(spi, 0x34);
92 spi_write_com(spi, 0xB601); spi_write_dat(spi, 0x34);
93 spi_write_com(spi, 0xB602); spi_write_dat(spi, 0x34);
94
95 /* AVEE -5.2V */
96 spi_write_com(spi, 0xB100); spi_write_dat(spi, 0x0D);
97 spi_write_com(spi, 0xB101); spi_write_dat(spi, 0x0D);
98 spi_write_com(spi, 0xB102); spi_write_dat(spi, 0x0D);
99
100 /* AVEE ratio */
101 spi_write_com(spi, 0xB700); spi_write_dat(spi, 0x35);
102 spi_write_com(spi, 0xB701); spi_write_dat(spi, 0x35);
103 spi_write_com(spi, 0xB702); spi_write_dat(spi, 0x35);
104
105 /* VCL -2.5V */
106 spi_write_com(spi, 0xB200); spi_write_dat(spi, 0x00);
107 spi_write_com(spi, 0xB201); spi_write_dat(spi, 0x00);
108 spi_write_com(spi, 0xB202); spi_write_dat(spi, 0x00);
109
110 /* VCL ratio */
111 spi_write_com(spi, 0xB800); spi_write_dat(spi, 0x24);
112 spi_write_com(spi, 0xB801); spi_write_dat(spi, 0x24);
113 spi_write_com(spi, 0xB802); spi_write_dat(spi, 0x24);
114
115 /* VGH 15V */
116 spi_write_com(spi, 0xBF00); spi_write_dat(spi, 0x01);
117 spi_write_com(spi, 0xB300); spi_write_dat(spi, 0x08);
118 spi_write_com(spi, 0xB301); spi_write_dat(spi, 0x08);
119 spi_write_com(spi, 0xB302); spi_write_dat(spi, 0x08);
120
121 /* VGH ratio */
122 spi_write_com(spi, 0xB900); spi_write_dat(spi, 0x34);
123 spi_write_com(spi, 0xB901); spi_write_dat(spi, 0x34);
124 spi_write_com(spi, 0xB902); spi_write_dat(spi, 0x34);
125
126 /* VGLX ratio */
127 spi_write_com(spi, 0xBA00); spi_write_dat(spi, 0x24);
128 spi_write_com(spi, 0xBA01); spi_write_dat(spi, 0x24);
129 spi_write_com(spi, 0xBA02); spi_write_dat(spi, 0x24);
130
131 /* VGMP/VGSP 4.7V/0V */
132 spi_write_com(spi, 0xBC00); spi_write_dat(spi, 0x00);
133 spi_write_com(spi, 0xBC01); spi_write_dat(spi, 0x88);
134 spi_write_com(spi, 0xBC02); spi_write_dat(spi, 0x00);
135
136 /* VGMN/VGSN -4.7V/0V */
137 spi_write_com(spi, 0xBD00); spi_write_dat(spi, 0x00);
138 spi_write_com(spi, 0xBD01); spi_write_dat(spi, 0x88);
139 spi_write_com(spi, 0xBD02); spi_write_dat(spi, 0x00);
140
141 /* VCOM 1.525V */
142 spi_write_com(spi, 0xBE00); spi_write_dat(spi, 0x00);
143 spi_write_com(spi, 0xBE01); spi_write_dat(spi, 0x7A);
144
145 /* Gamma Setting */
146 spi_write_com(spi, 0xD100); spi_write_dat(spi, 0x00);
147 spi_write_com(spi, 0xD101); spi_write_dat(spi, 0x05);
148 spi_write_com(spi, 0xD102); spi_write_dat(spi, 0x00);
149 spi_write_com(spi, 0xD103); spi_write_dat(spi, 0x15);
150 spi_write_com(spi, 0xD104); spi_write_dat(spi, 0x00);
151 spi_write_com(spi, 0xD105); spi_write_dat(spi, 0x30);
152 spi_write_com(spi, 0xD106); spi_write_dat(spi, 0x00);
153 spi_write_com(spi, 0xD107); spi_write_dat(spi, 0x47);
154 spi_write_com(spi, 0xD108); spi_write_dat(spi, 0x00);
155 spi_write_com(spi, 0xD109); spi_write_dat(spi, 0x5B);
156 spi_write_com(spi, 0xD10A); spi_write_dat(spi, 0x00);
157 spi_write_com(spi, 0xD10B); spi_write_dat(spi, 0x7D);
158 spi_write_com(spi, 0xD10C); spi_write_dat(spi, 0x00);
159 spi_write_com(spi, 0xD10D); spi_write_dat(spi, 0x9D);
160 spi_write_com(spi, 0xD10E); spi_write_dat(spi, 0x00);
161 spi_write_com(spi, 0xD10F); spi_write_dat(spi, 0xCC);
162 spi_write_com(spi, 0xD110); spi_write_dat(spi, 0x00);
163 spi_write_com(spi, 0xD111); spi_write_dat(spi, 0xF3);
164 spi_write_com(spi, 0xD112); spi_write_dat(spi, 0x01);
165 spi_write_com(spi, 0xD113); spi_write_dat(spi, 0x32);
166 spi_write_com(spi, 0xD114); spi_write_dat(spi, 0x01);
167 spi_write_com(spi, 0xD115); spi_write_dat(spi, 0x63);
168 spi_write_com(spi, 0xD116); spi_write_dat(spi, 0x01);
169 spi_write_com(spi, 0xD117); spi_write_dat(spi, 0xB1);
170 spi_write_com(spi, 0xD118); spi_write_dat(spi, 0x01);
171 spi_write_com(spi, 0xD119); spi_write_dat(spi, 0xF0);
172 spi_write_com(spi, 0xD11A); spi_write_dat(spi, 0x01);
173 spi_write_com(spi, 0xD11B); spi_write_dat(spi, 0xF2);
174 spi_write_com(spi, 0xD11C); spi_write_dat(spi, 0x02);
175 spi_write_com(spi, 0xD11D); spi_write_dat(spi, 0x2A);
176 spi_write_com(spi, 0xD11E); spi_write_dat(spi, 0x02);
177 spi_write_com(spi, 0xD11F); spi_write_dat(spi, 0x67);
178 spi_write_com(spi, 0xD120); spi_write_dat(spi, 0x02);
179 spi_write_com(spi, 0xD121); spi_write_dat(spi, 0x90);
180 spi_write_com(spi, 0xD122); spi_write_dat(spi, 0x02);
181 spi_write_com(spi, 0xD123); spi_write_dat(spi, 0xCB);
182 spi_write_com(spi, 0xD124); spi_write_dat(spi, 0x02);
183 spi_write_com(spi, 0xD125); spi_write_dat(spi, 0xF2);
184 spi_write_com(spi, 0xD126); spi_write_dat(spi, 0x03);
185 spi_write_com(spi, 0xD127); spi_write_dat(spi, 0x2A);
186 spi_write_com(spi, 0xD128); spi_write_dat(spi, 0x03);
187 spi_write_com(spi, 0xD129); spi_write_dat(spi, 0x51);
188 spi_write_com(spi, 0xD12A); spi_write_dat(spi, 0x03);
189 spi_write_com(spi, 0xD12B); spi_write_dat(spi, 0x80);
190 spi_write_com(spi, 0xD12C); spi_write_dat(spi, 0x03);
191 spi_write_com(spi, 0xD12D); spi_write_dat(spi, 0x9F);
192 spi_write_com(spi, 0xD12E); spi_write_dat(spi, 0x03);
193 spi_write_com(spi, 0xD12F); spi_write_dat(spi, 0xBE);
194 spi_write_com(spi, 0xD130); spi_write_dat(spi, 0x03);
195 spi_write_com(spi, 0xD131); spi_write_dat(spi, 0xF9);
196 spi_write_com(spi, 0xD132); spi_write_dat(spi, 0x03);
197 spi_write_com(spi, 0xD133); spi_write_dat(spi, 0xFF);
198
199 spi_write_com(spi, 0xD200); spi_write_dat(spi, 0x00);
200 spi_write_com(spi, 0xD201); spi_write_dat(spi, 0x05);
201 spi_write_com(spi, 0xD202); spi_write_dat(spi, 0x00);
202 spi_write_com(spi, 0xD203); spi_write_dat(spi, 0x15);
203 spi_write_com(spi, 0xD204); spi_write_dat(spi, 0x00);
204 spi_write_com(spi, 0xD205); spi_write_dat(spi, 0x30);
205 spi_write_com(spi, 0xD206); spi_write_dat(spi, 0x00);
206 spi_write_com(spi, 0xD207); spi_write_dat(spi, 0x47);
207 spi_write_com(spi, 0xD208); spi_write_dat(spi, 0x00);
208 spi_write_com(spi, 0xD209); spi_write_dat(spi, 0x5B);
209 spi_write_com(spi, 0xD20A); spi_write_dat(spi, 0x00);
210 spi_write_com(spi, 0xD20B); spi_write_dat(spi, 0x7D);
211 spi_write_com(spi, 0xD20C); spi_write_dat(spi, 0x00);
212 spi_write_com(spi, 0xD20D); spi_write_dat(spi, 0x9D);
213 spi_write_com(spi, 0xD20E); spi_write_dat(spi, 0x00);
214 spi_write_com(spi, 0xD20F); spi_write_dat(spi, 0xCC);
215 spi_write_com(spi, 0xD210); spi_write_dat(spi, 0x00);
216 spi_write_com(spi, 0xD211); spi_write_dat(spi, 0xF3);
217 spi_write_com(spi, 0xD212); spi_write_dat(spi, 0x01);
218 spi_write_com(spi, 0xD213); spi_write_dat(spi, 0x32);
219 spi_write_com(spi, 0xD214); spi_write_dat(spi, 0x01);
220 spi_write_com(spi, 0xD215); spi_write_dat(spi, 0x63);
221 spi_write_com(spi, 0xD216); spi_write_dat(spi, 0x01);
222 spi_write_com(spi, 0xD217); spi_write_dat(spi, 0xB1);
223 spi_write_com(spi, 0xD218); spi_write_dat(spi, 0x01);
224 spi_write_com(spi, 0xD219); spi_write_dat(spi, 0xF0);
225 spi_write_com(spi, 0xD21A); spi_write_dat(spi, 0x01);
226 spi_write_com(spi, 0xD21B); spi_write_dat(spi, 0xF2);
227 spi_write_com(spi, 0xD21C); spi_write_dat(spi, 0x02);
228 spi_write_com(spi, 0xD21D); spi_write_dat(spi, 0x2A);
229 spi_write_com(spi, 0xD21E); spi_write_dat(spi, 0x02);
230 spi_write_com(spi, 0xD21F); spi_write_dat(spi, 0x67);
231 spi_write_com(spi, 0xD220); spi_write_dat(spi, 0x02);
232 spi_write_com(spi, 0xD221); spi_write_dat(spi, 0x90);
233 spi_write_com(spi, 0xD222); spi_write_dat(spi, 0x02);
234 spi_write_com(spi, 0xD223); spi_write_dat(spi, 0xCB);
235 spi_write_com(spi, 0xD224); spi_write_dat(spi, 0x02);
236 spi_write_com(spi, 0xD225); spi_write_dat(spi, 0xF2);
237 spi_write_com(spi, 0xD226); spi_write_dat(spi, 0x03);
238 spi_write_com(spi, 0xD227); spi_write_dat(spi, 0x2A);
239 spi_write_com(spi, 0xD228); spi_write_dat(spi, 0x03);
240 spi_write_com(spi, 0xD229); spi_write_dat(spi, 0x51);
241 spi_write_com(spi, 0xD22A); spi_write_dat(spi, 0x03);
242 spi_write_com(spi, 0xD22B); spi_write_dat(spi, 0x80);
243 spi_write_com(spi, 0xD22C); spi_write_dat(spi, 0x03);
244 spi_write_com(spi, 0xD22D); spi_write_dat(spi, 0x9F);
245 spi_write_com(spi, 0xD22E); spi_write_dat(spi, 0x03);
246 spi_write_com(spi, 0xD22F); spi_write_dat(spi, 0xBE);
247 spi_write_com(spi, 0xD230); spi_write_dat(spi, 0x03);
248 spi_write_com(spi, 0xD231); spi_write_dat(spi, 0xF9);
249 spi_write_com(spi, 0xD232); spi_write_dat(spi, 0x03);
250 spi_write_com(spi, 0xD233); spi_write_dat(spi, 0xFF);
251
252 spi_write_com(spi, 0xD300); spi_write_dat(spi, 0x00);
253 spi_write_com(spi, 0xD301); spi_write_dat(spi, 0x05);
254 spi_write_com(spi, 0xD302); spi_write_dat(spi, 0x00);
255 spi_write_com(spi, 0xD303); spi_write_dat(spi, 0x15);
256 spi_write_com(spi, 0xD304); spi_write_dat(spi, 0x00);
257 spi_write_com(spi, 0xD305); spi_write_dat(spi, 0x30);
258 spi_write_com(spi, 0xD306); spi_write_dat(spi, 0x00);
259 spi_write_com(spi, 0xD307); spi_write_dat(spi, 0x47);
260 spi_write_com(spi, 0xD308); spi_write_dat(spi, 0x00);
261 spi_write_com(spi, 0xD309); spi_write_dat(spi, 0x5B);
262 spi_write_com(spi, 0xD30A); spi_write_dat(spi, 0x00);
263 spi_write_com(spi, 0xD30B); spi_write_dat(spi, 0x7D);
264 spi_write_com(spi, 0xD30C); spi_write_dat(spi, 0x00);
265 spi_write_com(spi, 0xD30D); spi_write_dat(spi, 0x9D);
266 spi_write_com(spi, 0xD30E); spi_write_dat(spi, 0x00);
267 spi_write_com(spi, 0xD30F); spi_write_dat(spi, 0xCC);
268 spi_write_com(spi, 0xD310); spi_write_dat(spi, 0x00);
269 spi_write_com(spi, 0xD311); spi_write_dat(spi, 0xF3);
270 spi_write_com(spi, 0xD312); spi_write_dat(spi, 0x01);
271 spi_write_com(spi, 0xD313); spi_write_dat(spi, 0x32);
272 spi_write_com(spi, 0xD314); spi_write_dat(spi, 0x01);
273 spi_write_com(spi, 0xD315); spi_write_dat(spi, 0x63);
274 spi_write_com(spi, 0xD316); spi_write_dat(spi, 0x01);
275 spi_write_com(spi, 0xD317); spi_write_dat(spi, 0xB1);
276 spi_write_com(spi, 0xD318); spi_write_dat(spi, 0x01);
277 spi_write_com(spi, 0xD319); spi_write_dat(spi, 0xF0);
278 spi_write_com(spi, 0xD31A); spi_write_dat(spi, 0x01);
279 spi_write_com(spi, 0xD31B); spi_write_dat(spi, 0xF2);
280 spi_write_com(spi, 0xD31C); spi_write_dat(spi, 0x02);
281 spi_write_com(spi, 0xD31D); spi_write_dat(spi, 0x2A);
282 spi_write_com(spi, 0xD31E); spi_write_dat(spi, 0x02);
283 spi_write_com(spi, 0xD31F); spi_write_dat(spi, 0x67);
284 spi_write_com(spi, 0xD320); spi_write_dat(spi, 0x02);
285 spi_write_com(spi, 0xD321); spi_write_dat(spi, 0x90);
286 spi_write_com(spi, 0xD322); spi_write_dat(spi, 0x02);
287 spi_write_com(spi, 0xD323); spi_write_dat(spi, 0xCB);
288 spi_write_com(spi, 0xD324); spi_write_dat(spi, 0x02);
289 spi_write_com(spi, 0xD325); spi_write_dat(spi, 0xF2);
290 spi_write_com(spi, 0xD326); spi_write_dat(spi, 0x03);
291 spi_write_com(spi, 0xD327); spi_write_dat(spi, 0x2A);
292 spi_write_com(spi, 0xD328); spi_write_dat(spi, 0x03);
293 spi_write_com(spi, 0xD329); spi_write_dat(spi, 0x51);
294 spi_write_com(spi, 0xD32A); spi_write_dat(spi, 0x03);
295 spi_write_com(spi, 0xD32B); spi_write_dat(spi, 0x80);
296 spi_write_com(spi, 0xD32C); spi_write_dat(spi, 0x03);
297 spi_write_com(spi, 0xD32D); spi_write_dat(spi, 0x9F);
298 spi_write_com(spi, 0xD32E); spi_write_dat(spi, 0x03);
299 spi_write_com(spi, 0xD32F); spi_write_dat(spi, 0xBE);
300 spi_write_com(spi, 0xD330); spi_write_dat(spi, 0x03);
301 spi_write_com(spi, 0xD331); spi_write_dat(spi, 0xF9);
302 spi_write_com(spi, 0xD332); spi_write_dat(spi, 0x03);
303 spi_write_com(spi, 0xD333); spi_write_dat(spi, 0xFF);
304
305 spi_write_com(spi, 0xD400); spi_write_dat(spi, 0x00);
306 spi_write_com(spi, 0xD401); spi_write_dat(spi, 0x05);
307 spi_write_com(spi, 0xD402); spi_write_dat(spi, 0x00);
308 spi_write_com(spi, 0xD403); spi_write_dat(spi, 0x15);
309 spi_write_com(spi, 0xD404); spi_write_dat(spi, 0x00);
310 spi_write_com(spi, 0xD405); spi_write_dat(spi, 0x30);
311 spi_write_com(spi, 0xD406); spi_write_dat(spi, 0x00);
312 spi_write_com(spi, 0xD407); spi_write_dat(spi, 0x47);
313 spi_write_com(spi, 0xD408); spi_write_dat(spi, 0x00);
314 spi_write_com(spi, 0xD409); spi_write_dat(spi, 0x5B);
315 spi_write_com(spi, 0xD40A); spi_write_dat(spi, 0x00);
316 spi_write_com(spi, 0xD40B); spi_write_dat(spi, 0x7D);
317 spi_write_com(spi, 0xD40C); spi_write_dat(spi, 0x00);
318 spi_write_com(spi, 0xD40D); spi_write_dat(spi, 0x9D);
319 spi_write_com(spi, 0xD40E); spi_write_dat(spi, 0x00);
320 spi_write_com(spi, 0xD40F); spi_write_dat(spi, 0xCC);
321 spi_write_com(spi, 0xD410); spi_write_dat(spi, 0x00);
322 spi_write_com(spi, 0xD411); spi_write_dat(spi, 0xF3);
323 spi_write_com(spi, 0xD412); spi_write_dat(spi, 0x01);
324 spi_write_com(spi, 0xD413); spi_write_dat(spi, 0x32);
325 spi_write_com(spi, 0xD414); spi_write_dat(spi, 0x01);
326 spi_write_com(spi, 0xD415); spi_write_dat(spi, 0x63);
327 spi_write_com(spi, 0xD416); spi_write_dat(spi, 0x01);
328 spi_write_com(spi, 0xD417); spi_write_dat(spi, 0xB1);
329 spi_write_com(spi, 0xD418); spi_write_dat(spi, 0x01);
330 spi_write_com(spi, 0xD419); spi_write_dat(spi, 0xF0);
331 spi_write_com(spi, 0xD41A); spi_write_dat(spi, 0x01);
332 spi_write_com(spi, 0xD41B); spi_write_dat(spi, 0xF2);
333 spi_write_com(spi, 0xD41C); spi_write_dat(spi, 0x02);
334 spi_write_com(spi, 0xD41D); spi_write_dat(spi, 0x2A);
335 spi_write_com(spi, 0xD41E); spi_write_dat(spi, 0x02);
336 spi_write_com(spi, 0xD41F); spi_write_dat(spi, 0x67);
337 spi_write_com(spi, 0xD420); spi_write_dat(spi, 0x02);
338 spi_write_com(spi, 0xD421); spi_write_dat(spi, 0x90);
339 spi_write_com(spi, 0xD422); spi_write_dat(spi, 0x02);
340 spi_write_com(spi, 0xD423); spi_write_dat(spi, 0xCB);
341 spi_write_com(spi, 0xD424); spi_write_dat(spi, 0x02);
342 spi_write_com(spi, 0xD425); spi_write_dat(spi, 0xF2);
343 spi_write_com(spi, 0xD426); spi_write_dat(spi, 0x03);
344 spi_write_com(spi, 0xD427); spi_write_dat(spi, 0x2A);
345 spi_write_com(spi, 0xD428); spi_write_dat(spi, 0x03);
346 spi_write_com(spi, 0xD429); spi_write_dat(spi, 0x51);
347 spi_write_com(spi, 0xD42A); spi_write_dat(spi, 0x03);
348 spi_write_com(spi, 0xD42B); spi_write_dat(spi, 0x80);
349 spi_write_com(spi, 0xD42C); spi_write_dat(spi, 0x03);
350 spi_write_com(spi, 0xD42D); spi_write_dat(spi, 0x9F);
351 spi_write_com(spi, 0xD42E); spi_write_dat(spi, 0x03);
352 spi_write_com(spi, 0xD42F); spi_write_dat(spi, 0xBE);
353 spi_write_com(spi, 0xD430); spi_write_dat(spi, 0x03);
354 spi_write_com(spi, 0xD431); spi_write_dat(spi, 0xF9);
355 spi_write_com(spi, 0xD432); spi_write_dat(spi, 0x03);
356 spi_write_com(spi, 0xD433); spi_write_dat(spi, 0xFF);
357
358 spi_write_com(spi, 0xD500); spi_write_dat(spi, 0x00);
359 spi_write_com(spi, 0xD501); spi_write_dat(spi, 0x05);
360 spi_write_com(spi, 0xD502); spi_write_dat(spi, 0x00);
361 spi_write_com(spi, 0xD503); spi_write_dat(spi, 0x15);
362 spi_write_com(spi, 0xD504); spi_write_dat(spi, 0x00);
363 spi_write_com(spi, 0xD505); spi_write_dat(spi, 0x30);
364 spi_write_com(spi, 0xD506); spi_write_dat(spi, 0x00);
365 spi_write_com(spi, 0xD507); spi_write_dat(spi, 0x47);
366 spi_write_com(spi, 0xD508); spi_write_dat(spi, 0x00);
367 spi_write_com(spi, 0xD509); spi_write_dat(spi, 0x5B);
368 spi_write_com(spi, 0xD50A); spi_write_dat(spi, 0x00);
369 spi_write_com(spi, 0xD50B); spi_write_dat(spi, 0x7D);
370 spi_write_com(spi, 0xD50C); spi_write_dat(spi, 0x00);
371 spi_write_com(spi, 0xD50D); spi_write_dat(spi, 0x9D);
372 spi_write_com(spi, 0xD50E); spi_write_dat(spi, 0x00);
373 spi_write_com(spi, 0xD50F); spi_write_dat(spi, 0xCC);
374 spi_write_com(spi, 0xD510); spi_write_dat(spi, 0x00);
375 spi_write_com(spi, 0xD511); spi_write_dat(spi, 0xF3);
376 spi_write_com(spi, 0xD512); spi_write_dat(spi, 0x01);
377 spi_write_com(spi, 0xD513); spi_write_dat(spi, 0x32);
378 spi_write_com(spi, 0xD514); spi_write_dat(spi, 0x01);
379 spi_write_com(spi, 0xD515); spi_write_dat(spi, 0x63);
380 spi_write_com(spi, 0xD516); spi_write_dat(spi, 0x01);
381 spi_write_com(spi, 0xD517); spi_write_dat(spi, 0xB1);
382 spi_write_com(spi, 0xD518); spi_write_dat(spi, 0x01);
383 spi_write_com(spi, 0xD519); spi_write_dat(spi, 0xF0);
384 spi_write_com(spi, 0xD51A); spi_write_dat(spi, 0x01);
385 spi_write_com(spi, 0xD51B); spi_write_dat(spi, 0xF2);
386 spi_write_com(spi, 0xD51C); spi_write_dat(spi, 0x02);
387 spi_write_com(spi, 0xD51D); spi_write_dat(spi, 0x2A);
388 spi_write_com(spi, 0xD51E); spi_write_dat(spi, 0x02);
389 spi_write_com(spi, 0xD51F); spi_write_dat(spi, 0x67);
390 spi_write_com(spi, 0xD520); spi_write_dat(spi, 0x02);
391 spi_write_com(spi, 0xD521); spi_write_dat(spi, 0x90);
392 spi_write_com(spi, 0xD522); spi_write_dat(spi, 0x02);
393 spi_write_com(spi, 0xD523); spi_write_dat(spi, 0xCB);
394 spi_write_com(spi, 0xD524); spi_write_dat(spi, 0x02);
395 spi_write_com(spi, 0xD525); spi_write_dat(spi, 0xF2);
396 spi_write_com(spi, 0xD526); spi_write_dat(spi, 0x03);
397 spi_write_com(spi, 0xD527); spi_write_dat(spi, 0x2A);
398 spi_write_com(spi, 0xD528); spi_write_dat(spi, 0x03);
399 spi_write_com(spi, 0xD529); spi_write_dat(spi, 0x51);
400 spi_write_com(spi, 0xD52A); spi_write_dat(spi, 0x03);
401 spi_write_com(spi, 0xD52B); spi_write_dat(spi, 0x80);
402 spi_write_com(spi, 0xD52C); spi_write_dat(spi, 0x03);
403 spi_write_com(spi, 0xD52D); spi_write_dat(spi, 0x9F);
404 spi_write_com(spi, 0xD52E); spi_write_dat(spi, 0x03);
405 spi_write_com(spi, 0xD52F); spi_write_dat(spi, 0xBE);
406 spi_write_com(spi, 0xD530); spi_write_dat(spi, 0x03);
407 spi_write_com(spi, 0xD531); spi_write_dat(spi, 0xF9);
408 spi_write_com(spi, 0xD532); spi_write_dat(spi, 0x03);
409 spi_write_com(spi, 0xD533); spi_write_dat(spi, 0xFF);
410
411 spi_write_com(spi, 0xD600); spi_write_dat(spi, 0x00);
412 spi_write_com(spi, 0xD601); spi_write_dat(spi, 0x05);
413 spi_write_com(spi, 0xD602); spi_write_dat(spi, 0x00);
414 spi_write_com(spi, 0xD603); spi_write_dat(spi, 0x15);
415 spi_write_com(spi, 0xD604); spi_write_dat(spi, 0x00);
416 spi_write_com(spi, 0xD605); spi_write_dat(spi, 0x30);
417 spi_write_com(spi, 0xD606); spi_write_dat(spi, 0x00);
418 spi_write_com(spi, 0xD607); spi_write_dat(spi, 0x47);
419 spi_write_com(spi, 0xD608); spi_write_dat(spi, 0x00);
420 spi_write_com(spi, 0xD609); spi_write_dat(spi, 0x5B);
421 spi_write_com(spi, 0xD60A); spi_write_dat(spi, 0x00);
422 spi_write_com(spi, 0xD60B); spi_write_dat(spi, 0x7D);
423 spi_write_com(spi, 0xD60C); spi_write_dat(spi, 0x00);
424 spi_write_com(spi, 0xD60D); spi_write_dat(spi, 0x9D);
425 spi_write_com(spi, 0xD60E); spi_write_dat(spi, 0x00);
426 spi_write_com(spi, 0xD60F); spi_write_dat(spi, 0xCC);
427 spi_write_com(spi, 0xD610); spi_write_dat(spi, 0x00);
428 spi_write_com(spi, 0xD611); spi_write_dat(spi, 0xF3);
429 spi_write_com(spi, 0xD612); spi_write_dat(spi, 0x01);
430 spi_write_com(spi, 0xD613); spi_write_dat(spi, 0x32);
431 spi_write_com(spi, 0xD614); spi_write_dat(spi, 0x01);
432 spi_write_com(spi, 0xD615); spi_write_dat(spi, 0x63);
433 spi_write_com(spi, 0xD616); spi_write_dat(spi, 0x01);
434 spi_write_com(spi, 0xD617); spi_write_dat(spi, 0xB1);
435 spi_write_com(spi, 0xD618); spi_write_dat(spi, 0x01);
436 spi_write_com(spi, 0xD619); spi_write_dat(spi, 0xF0);
437 spi_write_com(spi, 0xD61A); spi_write_dat(spi, 0x01);
438 spi_write_com(spi, 0xD61B); spi_write_dat(spi, 0xF2);
439 spi_write_com(spi, 0xD61C); spi_write_dat(spi, 0x02);
440 spi_write_com(spi, 0xD61D); spi_write_dat(spi, 0x2A);
441 spi_write_com(spi, 0xD61E); spi_write_dat(spi, 0x02);
442 spi_write_com(spi, 0xD61F); spi_write_dat(spi, 0x67);
443 spi_write_com(spi, 0xD620); spi_write_dat(spi, 0x02);
444 spi_write_com(spi, 0xD621); spi_write_dat(spi, 0x90);
445 spi_write_com(spi, 0xD622); spi_write_dat(spi, 0x02);
446 spi_write_com(spi, 0xD623); spi_write_dat(spi, 0xCB);
447 spi_write_com(spi, 0xD624); spi_write_dat(spi, 0x02);
448 spi_write_com(spi, 0xD625); spi_write_dat(spi, 0xF2);
449 spi_write_com(spi, 0xD626); spi_write_dat(spi, 0x03);
450 spi_write_com(spi, 0xD627); spi_write_dat(spi, 0x2A);
451 spi_write_com(spi, 0xD628); spi_write_dat(spi, 0x03);
452 spi_write_com(spi, 0xD629); spi_write_dat(spi, 0x51);
453 spi_write_com(spi, 0xD62A); spi_write_dat(spi, 0x03);
454 spi_write_com(spi, 0xD62B); spi_write_dat(spi, 0x80);
455 spi_write_com(spi, 0xD62C); spi_write_dat(spi, 0x03);
456 spi_write_com(spi, 0xD62D); spi_write_dat(spi, 0x9F);
457 spi_write_com(spi, 0xD62E); spi_write_dat(spi, 0x03);
458 spi_write_com(spi, 0xD62F); spi_write_dat(spi, 0xBE);
459 spi_write_com(spi, 0xD630); spi_write_dat(spi, 0x03);
460 spi_write_com(spi, 0xD631); spi_write_dat(spi, 0xF9);
461 spi_write_com(spi, 0xD632); spi_write_dat(spi, 0x03);
462 spi_write_com(spi, 0xD633); spi_write_dat(spi, 0xFF);
463
464 /* LV2 Page 0 enable */
465 spi_write_com(spi, 0xF000); spi_write_dat(spi, 0x55);
466 spi_write_com(spi, 0xF001); spi_write_dat(spi, 0xAA);
467 spi_write_com(spi, 0xF002); spi_write_dat(spi, 0x52);
468 spi_write_com(spi, 0xF003); spi_write_dat(spi, 0x08);
469 spi_write_com(spi, 0xF004); spi_write_dat(spi, 0x00);
470
471 /* Display control */
472 spi_write_com(spi, 0xB100); spi_write_dat(spi, 0xFC);
473 spi_write_com(spi, 0xB101); spi_write_dat(spi, 0x00);
474
475 /* Source hold time */
476 spi_write_com(spi, 0xB600); spi_write_dat(spi, 0x05);
477
478 /* Gate EQ control */
479 spi_write_com(spi, 0xB700); spi_write_dat(spi, 0x70);
480 spi_write_com(spi, 0xB701); spi_write_dat(spi, 0x70);
481
482 /* Source EQ control (Mode 2) */
483 spi_write_com(spi, 0xB800); spi_write_dat(spi, 0x01);
484 spi_write_com(spi, 0xB801); spi_write_dat(spi, 0x05);
485 spi_write_com(spi, 0xB802); spi_write_dat(spi, 0x05);
486 spi_write_com(spi, 0xB803); spi_write_dat(spi, 0x05);
487
488 /* Inversion mode (Column) */
489 spi_write_com(spi, 0xBC00); spi_write_dat(spi, 0x00);
490 spi_write_com(spi, 0xBC01); spi_write_dat(spi, 0x00);
491 spi_write_com(spi, 0xBC02); spi_write_dat(spi, 0x00);
492
493 /* Timing control 8phase dual side/4H/4delay/RST_EN */
494 spi_write_com(spi, 0xC900); spi_write_dat(spi, 0xD0);
495 spi_write_com(spi, 0xC901); spi_write_dat(spi, 0x82);
496 spi_write_com(spi, 0xC902); spi_write_dat(spi, 0x50);
497 spi_write_com(spi, 0xC903); spi_write_dat(spi, 0x50);
498 spi_write_com(spi, 0xC904); spi_write_dat(spi, 0x50);
499
500 spi_write_com(spi, 0x3A00); spi_write_dat(spi, 0x55);
501 mdelay(120);
502 spi_write_com(spi, 0x1100);
503 mdelay(120);
504 spi_write_com(spi, 0x2900);
505 mdelay(120);
506 /* spi_write_com(spi, 0x2100); spi_write_dat(spi, 0x00); */
507 spi_write_com(spi, 0x2C00);
508
509 return 0;
510 err_claim_bus:
511 spi_free_slave(spi);
512 return -1;
513 }
514