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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2017-2018, Bootlin
4 */
5
6#include <linux/delay.h>
7#include <linux/device.h>
8#include <linux/err.h>
9#include <linux/errno.h>
10#include <linux/fb.h>
11#include <linux/kernel.h>
12#include <linux/module.h>
13#include <linux/of_device.h>
14
15#include <linux/gpio/consumer.h>
16#include <linux/regulator/consumer.h>
17
18#include <drm/drm_mipi_dsi.h>
19#include <drm/drm_modes.h>
20#include <drm/drm_panel.h>
21
22#include <video/mipi_display.h>
23
24enum ili9881c_op {
25 ILI9881C_SWITCH_PAGE,
26 ILI9881C_COMMAND,
27};
28
29struct ili9881c_instr {
30 enum ili9881c_op op;
31
32 union arg {
33 struct cmd {
34 u8 cmd;
35 u8 data;
36 } cmd;
37 u8 page;
38 } arg;
39};
40
41struct ili9881c_desc {
42 const struct ili9881c_instr *init;
43 const size_t init_length;
44 const struct drm_display_mode *mode;
45 const unsigned long mode_flags;
46};
47
48struct ili9881c {
49 struct drm_panel panel;
50 struct mipi_dsi_device *dsi;
51 const struct ili9881c_desc *desc;
52
53 struct regulator *power;
54 struct gpio_desc *reset;
55
56 enum drm_panel_orientation orientation;
57};
58
59#define ILI9881C_SWITCH_PAGE_INSTR(_page) \
60 { \
61 .op = ILI9881C_SWITCH_PAGE, \
62 .arg = { \
63 .page = (_page), \
64 }, \
65 }
66
67#define ILI9881C_COMMAND_INSTR(_cmd, _data) \
68 { \
69 .op = ILI9881C_COMMAND, \
70 .arg = { \
71 .cmd = { \
72 .cmd = (_cmd), \
73 .data = (_data), \
74 }, \
75 }, \
76 }
77
78static const struct ili9881c_instr lhr050h41_init[] = {
79 ILI9881C_SWITCH_PAGE_INSTR(3),
80 ILI9881C_COMMAND_INSTR(0x01, 0x00),
81 ILI9881C_COMMAND_INSTR(0x02, 0x00),
82 ILI9881C_COMMAND_INSTR(0x03, 0x73),
83 ILI9881C_COMMAND_INSTR(0x04, 0x03),
84 ILI9881C_COMMAND_INSTR(0x05, 0x00),
85 ILI9881C_COMMAND_INSTR(0x06, 0x06),
86 ILI9881C_COMMAND_INSTR(0x07, 0x06),
87 ILI9881C_COMMAND_INSTR(0x08, 0x00),
88 ILI9881C_COMMAND_INSTR(0x09, 0x18),
89 ILI9881C_COMMAND_INSTR(0x0a, 0x04),
90 ILI9881C_COMMAND_INSTR(0x0b, 0x00),
91 ILI9881C_COMMAND_INSTR(0x0c, 0x02),
92 ILI9881C_COMMAND_INSTR(0x0d, 0x03),
93 ILI9881C_COMMAND_INSTR(0x0e, 0x00),
94 ILI9881C_COMMAND_INSTR(0x0f, 0x25),
95 ILI9881C_COMMAND_INSTR(0x10, 0x25),
96 ILI9881C_COMMAND_INSTR(0x11, 0x00),
97 ILI9881C_COMMAND_INSTR(0x12, 0x00),
98 ILI9881C_COMMAND_INSTR(0x13, 0x00),
99 ILI9881C_COMMAND_INSTR(0x14, 0x00),
100 ILI9881C_COMMAND_INSTR(0x15, 0x00),
101 ILI9881C_COMMAND_INSTR(0x16, 0x0C),
102 ILI9881C_COMMAND_INSTR(0x17, 0x00),
103 ILI9881C_COMMAND_INSTR(0x18, 0x00),
104 ILI9881C_COMMAND_INSTR(0x19, 0x00),
105 ILI9881C_COMMAND_INSTR(0x1a, 0x00),
106 ILI9881C_COMMAND_INSTR(0x1b, 0x00),
107 ILI9881C_COMMAND_INSTR(0x1c, 0x00),
108 ILI9881C_COMMAND_INSTR(0x1d, 0x00),
109 ILI9881C_COMMAND_INSTR(0x1e, 0xC0),
110 ILI9881C_COMMAND_INSTR(0x1f, 0x80),
111 ILI9881C_COMMAND_INSTR(0x20, 0x04),
112 ILI9881C_COMMAND_INSTR(0x21, 0x01),
113 ILI9881C_COMMAND_INSTR(0x22, 0x00),
114 ILI9881C_COMMAND_INSTR(0x23, 0x00),
115 ILI9881C_COMMAND_INSTR(0x24, 0x00),
116 ILI9881C_COMMAND_INSTR(0x25, 0x00),
117 ILI9881C_COMMAND_INSTR(0x26, 0x00),
118 ILI9881C_COMMAND_INSTR(0x27, 0x00),
119 ILI9881C_COMMAND_INSTR(0x28, 0x33),
120 ILI9881C_COMMAND_INSTR(0x29, 0x03),
121 ILI9881C_COMMAND_INSTR(0x2a, 0x00),
122 ILI9881C_COMMAND_INSTR(0x2b, 0x00),
123 ILI9881C_COMMAND_INSTR(0x2c, 0x00),
124 ILI9881C_COMMAND_INSTR(0x2d, 0x00),
125 ILI9881C_COMMAND_INSTR(0x2e, 0x00),
126 ILI9881C_COMMAND_INSTR(0x2f, 0x00),
127 ILI9881C_COMMAND_INSTR(0x30, 0x00),
128 ILI9881C_COMMAND_INSTR(0x31, 0x00),
129 ILI9881C_COMMAND_INSTR(0x32, 0x00),
130 ILI9881C_COMMAND_INSTR(0x33, 0x00),
131 ILI9881C_COMMAND_INSTR(0x34, 0x04),
132 ILI9881C_COMMAND_INSTR(0x35, 0x00),
133 ILI9881C_COMMAND_INSTR(0x36, 0x00),
134 ILI9881C_COMMAND_INSTR(0x37, 0x00),
135 ILI9881C_COMMAND_INSTR(0x38, 0x3C),
136 ILI9881C_COMMAND_INSTR(0x39, 0x00),
137 ILI9881C_COMMAND_INSTR(0x3a, 0x00),
138 ILI9881C_COMMAND_INSTR(0x3b, 0x00),
139 ILI9881C_COMMAND_INSTR(0x3c, 0x00),
140 ILI9881C_COMMAND_INSTR(0x3d, 0x00),
141 ILI9881C_COMMAND_INSTR(0x3e, 0x00),
142 ILI9881C_COMMAND_INSTR(0x3f, 0x00),
143 ILI9881C_COMMAND_INSTR(0x40, 0x00),
144 ILI9881C_COMMAND_INSTR(0x41, 0x00),
145 ILI9881C_COMMAND_INSTR(0x42, 0x00),
146 ILI9881C_COMMAND_INSTR(0x43, 0x00),
147 ILI9881C_COMMAND_INSTR(0x44, 0x00),
148 ILI9881C_COMMAND_INSTR(0x50, 0x01),
149 ILI9881C_COMMAND_INSTR(0x51, 0x23),
150 ILI9881C_COMMAND_INSTR(0x52, 0x45),
151 ILI9881C_COMMAND_INSTR(0x53, 0x67),
152 ILI9881C_COMMAND_INSTR(0x54, 0x89),
153 ILI9881C_COMMAND_INSTR(0x55, 0xab),
154 ILI9881C_COMMAND_INSTR(0x56, 0x01),
155 ILI9881C_COMMAND_INSTR(0x57, 0x23),
156 ILI9881C_COMMAND_INSTR(0x58, 0x45),
157 ILI9881C_COMMAND_INSTR(0x59, 0x67),
158 ILI9881C_COMMAND_INSTR(0x5a, 0x89),
159 ILI9881C_COMMAND_INSTR(0x5b, 0xab),
160 ILI9881C_COMMAND_INSTR(0x5c, 0xcd),
161 ILI9881C_COMMAND_INSTR(0x5d, 0xef),
162 ILI9881C_COMMAND_INSTR(0x5e, 0x11),
163 ILI9881C_COMMAND_INSTR(0x5f, 0x02),
164 ILI9881C_COMMAND_INSTR(0x60, 0x02),
165 ILI9881C_COMMAND_INSTR(0x61, 0x02),
166 ILI9881C_COMMAND_INSTR(0x62, 0x02),
167 ILI9881C_COMMAND_INSTR(0x63, 0x02),
168 ILI9881C_COMMAND_INSTR(0x64, 0x02),
169 ILI9881C_COMMAND_INSTR(0x65, 0x02),
170 ILI9881C_COMMAND_INSTR(0x66, 0x02),
171 ILI9881C_COMMAND_INSTR(0x67, 0x02),
172 ILI9881C_COMMAND_INSTR(0x68, 0x02),
173 ILI9881C_COMMAND_INSTR(0x69, 0x02),
174 ILI9881C_COMMAND_INSTR(0x6a, 0x0C),
175 ILI9881C_COMMAND_INSTR(0x6b, 0x02),
176 ILI9881C_COMMAND_INSTR(0x6c, 0x0F),
177 ILI9881C_COMMAND_INSTR(0x6d, 0x0E),
178 ILI9881C_COMMAND_INSTR(0x6e, 0x0D),
179 ILI9881C_COMMAND_INSTR(0x6f, 0x06),
180 ILI9881C_COMMAND_INSTR(0x70, 0x07),
181 ILI9881C_COMMAND_INSTR(0x71, 0x02),
182 ILI9881C_COMMAND_INSTR(0x72, 0x02),
183 ILI9881C_COMMAND_INSTR(0x73, 0x02),
184 ILI9881C_COMMAND_INSTR(0x74, 0x02),
185 ILI9881C_COMMAND_INSTR(0x75, 0x02),
186 ILI9881C_COMMAND_INSTR(0x76, 0x02),
187 ILI9881C_COMMAND_INSTR(0x77, 0x02),
188 ILI9881C_COMMAND_INSTR(0x78, 0x02),
189 ILI9881C_COMMAND_INSTR(0x79, 0x02),
190 ILI9881C_COMMAND_INSTR(0x7a, 0x02),
191 ILI9881C_COMMAND_INSTR(0x7b, 0x02),
192 ILI9881C_COMMAND_INSTR(0x7c, 0x02),
193 ILI9881C_COMMAND_INSTR(0x7d, 0x02),
194 ILI9881C_COMMAND_INSTR(0x7e, 0x02),
195 ILI9881C_COMMAND_INSTR(0x7f, 0x02),
196 ILI9881C_COMMAND_INSTR(0x80, 0x0C),
197 ILI9881C_COMMAND_INSTR(0x81, 0x02),
198 ILI9881C_COMMAND_INSTR(0x82, 0x0F),
199 ILI9881C_COMMAND_INSTR(0x83, 0x0E),
200 ILI9881C_COMMAND_INSTR(0x84, 0x0D),
201 ILI9881C_COMMAND_INSTR(0x85, 0x06),
202 ILI9881C_COMMAND_INSTR(0x86, 0x07),
203 ILI9881C_COMMAND_INSTR(0x87, 0x02),
204 ILI9881C_COMMAND_INSTR(0x88, 0x02),
205 ILI9881C_COMMAND_INSTR(0x89, 0x02),
206 ILI9881C_COMMAND_INSTR(0x8A, 0x02),
207 ILI9881C_SWITCH_PAGE_INSTR(4),
208 ILI9881C_COMMAND_INSTR(0x6C, 0x15),
209 ILI9881C_COMMAND_INSTR(0x6E, 0x22),
210 ILI9881C_COMMAND_INSTR(0x6F, 0x33),
211 ILI9881C_COMMAND_INSTR(0x3A, 0xA4),
212 ILI9881C_COMMAND_INSTR(0x8D, 0x0D),
213 ILI9881C_COMMAND_INSTR(0x87, 0xBA),
214 ILI9881C_COMMAND_INSTR(0x26, 0x76),
215 ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
216 ILI9881C_SWITCH_PAGE_INSTR(1),
217 ILI9881C_COMMAND_INSTR(0x22, 0x0A),
218 ILI9881C_COMMAND_INSTR(0x53, 0xDC),
219 ILI9881C_COMMAND_INSTR(0x55, 0xA7),
220 ILI9881C_COMMAND_INSTR(0x50, 0x78),
221 ILI9881C_COMMAND_INSTR(0x51, 0x78),
222 ILI9881C_COMMAND_INSTR(0x31, 0x02),
223 ILI9881C_COMMAND_INSTR(0x60, 0x14),
224 ILI9881C_COMMAND_INSTR(0xA0, 0x2A),
225 ILI9881C_COMMAND_INSTR(0xA1, 0x39),
226 ILI9881C_COMMAND_INSTR(0xA2, 0x46),
227 ILI9881C_COMMAND_INSTR(0xA3, 0x0e),
228 ILI9881C_COMMAND_INSTR(0xA4, 0x12),
229 ILI9881C_COMMAND_INSTR(0xA5, 0x25),
230 ILI9881C_COMMAND_INSTR(0xA6, 0x19),
231 ILI9881C_COMMAND_INSTR(0xA7, 0x1d),
232 ILI9881C_COMMAND_INSTR(0xA8, 0xa6),
233 ILI9881C_COMMAND_INSTR(0xA9, 0x1C),
234 ILI9881C_COMMAND_INSTR(0xAA, 0x29),
235 ILI9881C_COMMAND_INSTR(0xAB, 0x85),
236 ILI9881C_COMMAND_INSTR(0xAC, 0x1C),
237 ILI9881C_COMMAND_INSTR(0xAD, 0x1B),
238 ILI9881C_COMMAND_INSTR(0xAE, 0x51),
239 ILI9881C_COMMAND_INSTR(0xAF, 0x22),
240 ILI9881C_COMMAND_INSTR(0xB0, 0x2d),
241 ILI9881C_COMMAND_INSTR(0xB1, 0x4f),
242 ILI9881C_COMMAND_INSTR(0xB2, 0x59),
243 ILI9881C_COMMAND_INSTR(0xB3, 0x3F),
244 ILI9881C_COMMAND_INSTR(0xC0, 0x2A),
245 ILI9881C_COMMAND_INSTR(0xC1, 0x3a),
246 ILI9881C_COMMAND_INSTR(0xC2, 0x45),
247 ILI9881C_COMMAND_INSTR(0xC3, 0x0e),
248 ILI9881C_COMMAND_INSTR(0xC4, 0x11),
249 ILI9881C_COMMAND_INSTR(0xC5, 0x24),
250 ILI9881C_COMMAND_INSTR(0xC6, 0x1a),
251 ILI9881C_COMMAND_INSTR(0xC7, 0x1c),
252 ILI9881C_COMMAND_INSTR(0xC8, 0xaa),
253 ILI9881C_COMMAND_INSTR(0xC9, 0x1C),
254 ILI9881C_COMMAND_INSTR(0xCA, 0x29),
255 ILI9881C_COMMAND_INSTR(0xCB, 0x96),
256 ILI9881C_COMMAND_INSTR(0xCC, 0x1C),
257 ILI9881C_COMMAND_INSTR(0xCD, 0x1B),
258 ILI9881C_COMMAND_INSTR(0xCE, 0x51),
259 ILI9881C_COMMAND_INSTR(0xCF, 0x22),
260 ILI9881C_COMMAND_INSTR(0xD0, 0x2b),
261 ILI9881C_COMMAND_INSTR(0xD1, 0x4b),
262 ILI9881C_COMMAND_INSTR(0xD2, 0x59),
263 ILI9881C_COMMAND_INSTR(0xD3, 0x3F),
264};
265
266static const struct ili9881c_instr k101_im2byl02_init[] = {
267 ILI9881C_SWITCH_PAGE_INSTR(3),
268 ILI9881C_COMMAND_INSTR(0x01, 0x00),
269 ILI9881C_COMMAND_INSTR(0x02, 0x00),
270 ILI9881C_COMMAND_INSTR(0x03, 0x73),
271 ILI9881C_COMMAND_INSTR(0x04, 0x00),
272 ILI9881C_COMMAND_INSTR(0x05, 0x00),
273 ILI9881C_COMMAND_INSTR(0x06, 0x08),
274 ILI9881C_COMMAND_INSTR(0x07, 0x00),
275 ILI9881C_COMMAND_INSTR(0x08, 0x00),
276 ILI9881C_COMMAND_INSTR(0x09, 0x00),
277 ILI9881C_COMMAND_INSTR(0x0A, 0x01),
278 ILI9881C_COMMAND_INSTR(0x0B, 0x01),
279 ILI9881C_COMMAND_INSTR(0x0C, 0x00),
280 ILI9881C_COMMAND_INSTR(0x0D, 0x01),
281 ILI9881C_COMMAND_INSTR(0x0E, 0x01),
282 ILI9881C_COMMAND_INSTR(0x0F, 0x00),
283 ILI9881C_COMMAND_INSTR(0x10, 0x00),
284 ILI9881C_COMMAND_INSTR(0x11, 0x00),
285 ILI9881C_COMMAND_INSTR(0x12, 0x00),
286 ILI9881C_COMMAND_INSTR(0x13, 0x00),
287 ILI9881C_COMMAND_INSTR(0x14, 0x00),
288 ILI9881C_COMMAND_INSTR(0x15, 0x00),
289 ILI9881C_COMMAND_INSTR(0x16, 0x00),
290 ILI9881C_COMMAND_INSTR(0x17, 0x00),
291 ILI9881C_COMMAND_INSTR(0x18, 0x00),
292 ILI9881C_COMMAND_INSTR(0x19, 0x00),
293 ILI9881C_COMMAND_INSTR(0x1A, 0x00),
294 ILI9881C_COMMAND_INSTR(0x1B, 0x00),
295 ILI9881C_COMMAND_INSTR(0x1C, 0x00),
296 ILI9881C_COMMAND_INSTR(0x1D, 0x00),
297 ILI9881C_COMMAND_INSTR(0x1E, 0x40),
298 ILI9881C_COMMAND_INSTR(0x1F, 0xC0),
299 ILI9881C_COMMAND_INSTR(0x20, 0x06),
300 ILI9881C_COMMAND_INSTR(0x21, 0x01),
301 ILI9881C_COMMAND_INSTR(0x22, 0x06),
302 ILI9881C_COMMAND_INSTR(0x23, 0x01),
303 ILI9881C_COMMAND_INSTR(0x24, 0x88),
304 ILI9881C_COMMAND_INSTR(0x25, 0x88),
305 ILI9881C_COMMAND_INSTR(0x26, 0x00),
306 ILI9881C_COMMAND_INSTR(0x27, 0x00),
307 ILI9881C_COMMAND_INSTR(0x28, 0x3B),
308 ILI9881C_COMMAND_INSTR(0x29, 0x03),
309 ILI9881C_COMMAND_INSTR(0x2A, 0x00),
310 ILI9881C_COMMAND_INSTR(0x2B, 0x00),
311 ILI9881C_COMMAND_INSTR(0x2C, 0x00),
312 ILI9881C_COMMAND_INSTR(0x2D, 0x00),
313 ILI9881C_COMMAND_INSTR(0x2E, 0x00),
314 ILI9881C_COMMAND_INSTR(0x2F, 0x00),
315 ILI9881C_COMMAND_INSTR(0x30, 0x00),
316 ILI9881C_COMMAND_INSTR(0x31, 0x00),
317 ILI9881C_COMMAND_INSTR(0x32, 0x00),
318 ILI9881C_COMMAND_INSTR(0x33, 0x00),
319 ILI9881C_COMMAND_INSTR(0x34, 0x00), /* GPWR1/2 non overlap time 2.62us */
320 ILI9881C_COMMAND_INSTR(0x35, 0x00),
321 ILI9881C_COMMAND_INSTR(0x36, 0x00),
322 ILI9881C_COMMAND_INSTR(0x37, 0x00),
323 ILI9881C_COMMAND_INSTR(0x38, 0x00),
324 ILI9881C_COMMAND_INSTR(0x39, 0x00),
325 ILI9881C_COMMAND_INSTR(0x3A, 0x00),
326 ILI9881C_COMMAND_INSTR(0x3B, 0x00),
327 ILI9881C_COMMAND_INSTR(0x3C, 0x00),
328 ILI9881C_COMMAND_INSTR(0x3D, 0x00),
329 ILI9881C_COMMAND_INSTR(0x3E, 0x00),
330 ILI9881C_COMMAND_INSTR(0x3F, 0x00),
331 ILI9881C_COMMAND_INSTR(0x40, 0x00),
332 ILI9881C_COMMAND_INSTR(0x41, 0x00),
333 ILI9881C_COMMAND_INSTR(0x42, 0x00),
334 ILI9881C_COMMAND_INSTR(0x43, 0x00),
335 ILI9881C_COMMAND_INSTR(0x44, 0x00),
336 ILI9881C_COMMAND_INSTR(0x50, 0x01),
337 ILI9881C_COMMAND_INSTR(0x51, 0x23),
338 ILI9881C_COMMAND_INSTR(0x52, 0x45),
339 ILI9881C_COMMAND_INSTR(0x53, 0x67),
340 ILI9881C_COMMAND_INSTR(0x54, 0x89),
341 ILI9881C_COMMAND_INSTR(0x55, 0xAB),
342 ILI9881C_COMMAND_INSTR(0x56, 0x01),
343 ILI9881C_COMMAND_INSTR(0x57, 0x23),
344 ILI9881C_COMMAND_INSTR(0x58, 0x45),
345 ILI9881C_COMMAND_INSTR(0x59, 0x67),
346 ILI9881C_COMMAND_INSTR(0x5A, 0x89),
347 ILI9881C_COMMAND_INSTR(0x5B, 0xAB),
348 ILI9881C_COMMAND_INSTR(0x5C, 0xCD),
349 ILI9881C_COMMAND_INSTR(0x5D, 0xEF),
350 ILI9881C_COMMAND_INSTR(0x5E, 0x00),
351 ILI9881C_COMMAND_INSTR(0x5F, 0x01),
352 ILI9881C_COMMAND_INSTR(0x60, 0x01),
353 ILI9881C_COMMAND_INSTR(0x61, 0x06),
354 ILI9881C_COMMAND_INSTR(0x62, 0x06),
355 ILI9881C_COMMAND_INSTR(0x63, 0x07),
356 ILI9881C_COMMAND_INSTR(0x64, 0x07),
357 ILI9881C_COMMAND_INSTR(0x65, 0x00),
358 ILI9881C_COMMAND_INSTR(0x66, 0x00),
359 ILI9881C_COMMAND_INSTR(0x67, 0x02),
360 ILI9881C_COMMAND_INSTR(0x68, 0x02),
361 ILI9881C_COMMAND_INSTR(0x69, 0x05),
362 ILI9881C_COMMAND_INSTR(0x6A, 0x05),
363 ILI9881C_COMMAND_INSTR(0x6B, 0x02),
364 ILI9881C_COMMAND_INSTR(0x6C, 0x0D),
365 ILI9881C_COMMAND_INSTR(0x6D, 0x0D),
366 ILI9881C_COMMAND_INSTR(0x6E, 0x0C),
367 ILI9881C_COMMAND_INSTR(0x6F, 0x0C),
368 ILI9881C_COMMAND_INSTR(0x70, 0x0F),
369 ILI9881C_COMMAND_INSTR(0x71, 0x0F),
370 ILI9881C_COMMAND_INSTR(0x72, 0x0E),
371 ILI9881C_COMMAND_INSTR(0x73, 0x0E),
372 ILI9881C_COMMAND_INSTR(0x74, 0x02),
373 ILI9881C_COMMAND_INSTR(0x75, 0x01),
374 ILI9881C_COMMAND_INSTR(0x76, 0x01),
375 ILI9881C_COMMAND_INSTR(0x77, 0x06),
376 ILI9881C_COMMAND_INSTR(0x78, 0x06),
377 ILI9881C_COMMAND_INSTR(0x79, 0x07),
378 ILI9881C_COMMAND_INSTR(0x7A, 0x07),
379 ILI9881C_COMMAND_INSTR(0x7B, 0x00),
380 ILI9881C_COMMAND_INSTR(0x7C, 0x00),
381 ILI9881C_COMMAND_INSTR(0x7D, 0x02),
382 ILI9881C_COMMAND_INSTR(0x7E, 0x02),
383 ILI9881C_COMMAND_INSTR(0x7F, 0x05),
384 ILI9881C_COMMAND_INSTR(0x80, 0x05),
385 ILI9881C_COMMAND_INSTR(0x81, 0x02),
386 ILI9881C_COMMAND_INSTR(0x82, 0x0D),
387 ILI9881C_COMMAND_INSTR(0x83, 0x0D),
388 ILI9881C_COMMAND_INSTR(0x84, 0x0C),
389 ILI9881C_COMMAND_INSTR(0x85, 0x0C),
390 ILI9881C_COMMAND_INSTR(0x86, 0x0F),
391 ILI9881C_COMMAND_INSTR(0x87, 0x0F),
392 ILI9881C_COMMAND_INSTR(0x88, 0x0E),
393 ILI9881C_COMMAND_INSTR(0x89, 0x0E),
394 ILI9881C_COMMAND_INSTR(0x8A, 0x02),
395 ILI9881C_SWITCH_PAGE_INSTR(4),
396 ILI9881C_COMMAND_INSTR(0x3B, 0xC0), /* ILI4003D sel */
397 ILI9881C_COMMAND_INSTR(0x6C, 0x15), /* Set VCORE voltage = 1.5V */
398 ILI9881C_COMMAND_INSTR(0x6E, 0x2A), /* di_pwr_reg=0 for power mode 2A, VGH clamp 18V */
399 ILI9881C_COMMAND_INSTR(0x6F, 0x33), /* pumping ratio VGH=5x VGL=-3x */
400 ILI9881C_COMMAND_INSTR(0x8D, 0x1B), /* VGL clamp -10V */
401 ILI9881C_COMMAND_INSTR(0x87, 0xBA), /* ESD */
402 ILI9881C_COMMAND_INSTR(0x3A, 0x24), /* POWER SAVING */
403 ILI9881C_COMMAND_INSTR(0x26, 0x76),
404 ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
405 ILI9881C_SWITCH_PAGE_INSTR(1),
406 ILI9881C_COMMAND_INSTR(0x22, 0x0A), /* BGR, SS */
407 ILI9881C_COMMAND_INSTR(0x31, 0x00), /* Zigzag type3 inversion */
408 ILI9881C_COMMAND_INSTR(0x40, 0x53), /* ILI4003D sel */
409 ILI9881C_COMMAND_INSTR(0x43, 0x66),
410 ILI9881C_COMMAND_INSTR(0x53, 0x4C),
411 ILI9881C_COMMAND_INSTR(0x50, 0x87),
412 ILI9881C_COMMAND_INSTR(0x51, 0x82),
413 ILI9881C_COMMAND_INSTR(0x60, 0x15),
414 ILI9881C_COMMAND_INSTR(0x61, 0x01),
415 ILI9881C_COMMAND_INSTR(0x62, 0x0C),
416 ILI9881C_COMMAND_INSTR(0x63, 0x00),
417 ILI9881C_COMMAND_INSTR(0xA0, 0x00),
418 ILI9881C_COMMAND_INSTR(0xA1, 0x13), /* VP251 */
419 ILI9881C_COMMAND_INSTR(0xA2, 0x23), /* VP247 */
420 ILI9881C_COMMAND_INSTR(0xA3, 0x14), /* VP243 */
421 ILI9881C_COMMAND_INSTR(0xA4, 0x16), /* VP239 */
422 ILI9881C_COMMAND_INSTR(0xA5, 0x29), /* VP231 */
423 ILI9881C_COMMAND_INSTR(0xA6, 0x1E), /* VP219 */
424 ILI9881C_COMMAND_INSTR(0xA7, 0x1D), /* VP203 */
425 ILI9881C_COMMAND_INSTR(0xA8, 0x86), /* VP175 */
426 ILI9881C_COMMAND_INSTR(0xA9, 0x1E), /* VP144 */
427 ILI9881C_COMMAND_INSTR(0xAA, 0x29), /* VP111 */
428 ILI9881C_COMMAND_INSTR(0xAB, 0x74), /* VP80 */
429 ILI9881C_COMMAND_INSTR(0xAC, 0x19), /* VP52 */
430 ILI9881C_COMMAND_INSTR(0xAD, 0x17), /* VP36 */
431 ILI9881C_COMMAND_INSTR(0xAE, 0x4B), /* VP24 */
432 ILI9881C_COMMAND_INSTR(0xAF, 0x20), /* VP16 */
433 ILI9881C_COMMAND_INSTR(0xB0, 0x26), /* VP12 */
434 ILI9881C_COMMAND_INSTR(0xB1, 0x4C), /* VP8 */
435 ILI9881C_COMMAND_INSTR(0xB2, 0x5D), /* VP4 */
436 ILI9881C_COMMAND_INSTR(0xB3, 0x3F), /* VP0 */
437 ILI9881C_COMMAND_INSTR(0xC0, 0x00), /* VN255 GAMMA N */
438 ILI9881C_COMMAND_INSTR(0xC1, 0x13), /* VN251 */
439 ILI9881C_COMMAND_INSTR(0xC2, 0x23), /* VN247 */
440 ILI9881C_COMMAND_INSTR(0xC3, 0x14), /* VN243 */
441 ILI9881C_COMMAND_INSTR(0xC4, 0x16), /* VN239 */
442 ILI9881C_COMMAND_INSTR(0xC5, 0x29), /* VN231 */
443 ILI9881C_COMMAND_INSTR(0xC6, 0x1E), /* VN219 */
444 ILI9881C_COMMAND_INSTR(0xC7, 0x1D), /* VN203 */
445 ILI9881C_COMMAND_INSTR(0xC8, 0x86), /* VN175 */
446 ILI9881C_COMMAND_INSTR(0xC9, 0x1E), /* VN144 */
447 ILI9881C_COMMAND_INSTR(0xCA, 0x29), /* VN111 */
448 ILI9881C_COMMAND_INSTR(0xCB, 0x74), /* VN80 */
449 ILI9881C_COMMAND_INSTR(0xCC, 0x19), /* VN52 */
450 ILI9881C_COMMAND_INSTR(0xCD, 0x17), /* VN36 */
451 ILI9881C_COMMAND_INSTR(0xCE, 0x4B), /* VN24 */
452 ILI9881C_COMMAND_INSTR(0xCF, 0x20), /* VN16 */
453 ILI9881C_COMMAND_INSTR(0xD0, 0x26), /* VN12 */
454 ILI9881C_COMMAND_INSTR(0xD1, 0x4C), /* VN8 */
455 ILI9881C_COMMAND_INSTR(0xD2, 0x5D), /* VN4 */
456 ILI9881C_COMMAND_INSTR(0xD3, 0x3F), /* VN0 */
457};
458
459static const struct ili9881c_instr w552946ab_init[] = {
460 ILI9881C_SWITCH_PAGE_INSTR(3),
461 ILI9881C_COMMAND_INSTR(0x01, 0x00),
462 ILI9881C_COMMAND_INSTR(0x02, 0x00),
463 ILI9881C_COMMAND_INSTR(0x03, 0x53),
464 ILI9881C_COMMAND_INSTR(0x04, 0x53),
465 ILI9881C_COMMAND_INSTR(0x05, 0x13),
466 ILI9881C_COMMAND_INSTR(0x06, 0x04),
467 ILI9881C_COMMAND_INSTR(0x07, 0x02),
468 ILI9881C_COMMAND_INSTR(0x08, 0x02),
469 ILI9881C_COMMAND_INSTR(0x09, 0x00),
470 ILI9881C_COMMAND_INSTR(0x0A, 0x00),
471 ILI9881C_COMMAND_INSTR(0x0B, 0x00),
472 ILI9881C_COMMAND_INSTR(0x0C, 0x00),
473 ILI9881C_COMMAND_INSTR(0x0D, 0x00),
474 ILI9881C_COMMAND_INSTR(0x0E, 0x00),
475 ILI9881C_COMMAND_INSTR(0x0F, 0x00),
476
477 ILI9881C_COMMAND_INSTR(0x10, 0x00),
478 ILI9881C_COMMAND_INSTR(0x11, 0x00),
479 ILI9881C_COMMAND_INSTR(0x12, 0x00),
480 ILI9881C_COMMAND_INSTR(0x13, 0x00),
481 ILI9881C_COMMAND_INSTR(0x14, 0x00),
482 ILI9881C_COMMAND_INSTR(0x15, 0x08),
483 ILI9881C_COMMAND_INSTR(0x16, 0x10),
484 ILI9881C_COMMAND_INSTR(0x17, 0x00),
485 ILI9881C_COMMAND_INSTR(0x18, 0x08),
486 ILI9881C_COMMAND_INSTR(0x19, 0x00),
487 ILI9881C_COMMAND_INSTR(0x1A, 0x00),
488 ILI9881C_COMMAND_INSTR(0x1B, 0x00),
489 ILI9881C_COMMAND_INSTR(0x1C, 0x00),
490 ILI9881C_COMMAND_INSTR(0x1D, 0x00),
491 ILI9881C_COMMAND_INSTR(0x1E, 0xC0),
492 ILI9881C_COMMAND_INSTR(0x1F, 0x80),
493
494 ILI9881C_COMMAND_INSTR(0x20, 0x02),
495 ILI9881C_COMMAND_INSTR(0x21, 0x09),
496 ILI9881C_COMMAND_INSTR(0x22, 0x00),
497 ILI9881C_COMMAND_INSTR(0x23, 0x00),
498 ILI9881C_COMMAND_INSTR(0x24, 0x00),
499 ILI9881C_COMMAND_INSTR(0x25, 0x00),
500 ILI9881C_COMMAND_INSTR(0x26, 0x00),
501 ILI9881C_COMMAND_INSTR(0x27, 0x00),
502 ILI9881C_COMMAND_INSTR(0x28, 0x55),
503 ILI9881C_COMMAND_INSTR(0x29, 0x03),
504 ILI9881C_COMMAND_INSTR(0x2A, 0x00),
505 ILI9881C_COMMAND_INSTR(0x2B, 0x00),
506 ILI9881C_COMMAND_INSTR(0x2C, 0x00),
507 ILI9881C_COMMAND_INSTR(0x2D, 0x00),
508 ILI9881C_COMMAND_INSTR(0x2E, 0x00),
509 ILI9881C_COMMAND_INSTR(0x2F, 0x00),
510
511 ILI9881C_COMMAND_INSTR(0x30, 0x00),
512 ILI9881C_COMMAND_INSTR(0x31, 0x00),
513 ILI9881C_COMMAND_INSTR(0x32, 0x00),
514 ILI9881C_COMMAND_INSTR(0x33, 0x00),
515 ILI9881C_COMMAND_INSTR(0x34, 0x04),
516 ILI9881C_COMMAND_INSTR(0x35, 0x05),
517 ILI9881C_COMMAND_INSTR(0x36, 0x05),
518 ILI9881C_COMMAND_INSTR(0x37, 0x00),
519 ILI9881C_COMMAND_INSTR(0x38, 0x3C),
520 ILI9881C_COMMAND_INSTR(0x39, 0x35),
521 ILI9881C_COMMAND_INSTR(0x3A, 0x00),
522 ILI9881C_COMMAND_INSTR(0x3B, 0x40),
523 ILI9881C_COMMAND_INSTR(0x3C, 0x00),
524 ILI9881C_COMMAND_INSTR(0x3D, 0x00),
525 ILI9881C_COMMAND_INSTR(0x3E, 0x00),
526 ILI9881C_COMMAND_INSTR(0x3F, 0x00),
527
528 ILI9881C_COMMAND_INSTR(0x40, 0x00),
529 ILI9881C_COMMAND_INSTR(0x41, 0x88),
530 ILI9881C_COMMAND_INSTR(0x42, 0x00),
531 ILI9881C_COMMAND_INSTR(0x43, 0x00),
532 ILI9881C_COMMAND_INSTR(0x44, 0x1F),
533
534 ILI9881C_COMMAND_INSTR(0x50, 0x01),
535 ILI9881C_COMMAND_INSTR(0x51, 0x23),
536 ILI9881C_COMMAND_INSTR(0x52, 0x45),
537 ILI9881C_COMMAND_INSTR(0x53, 0x67),
538 ILI9881C_COMMAND_INSTR(0x54, 0x89),
539 ILI9881C_COMMAND_INSTR(0x55, 0xaB),
540 ILI9881C_COMMAND_INSTR(0x56, 0x01),
541 ILI9881C_COMMAND_INSTR(0x57, 0x23),
542 ILI9881C_COMMAND_INSTR(0x58, 0x45),
543 ILI9881C_COMMAND_INSTR(0x59, 0x67),
544 ILI9881C_COMMAND_INSTR(0x5A, 0x89),
545 ILI9881C_COMMAND_INSTR(0x5B, 0xAB),
546 ILI9881C_COMMAND_INSTR(0x5C, 0xCD),
547 ILI9881C_COMMAND_INSTR(0x5D, 0xEF),
548 ILI9881C_COMMAND_INSTR(0x5E, 0x03),
549 ILI9881C_COMMAND_INSTR(0x5F, 0x14),
550
551 ILI9881C_COMMAND_INSTR(0x60, 0x15),
552 ILI9881C_COMMAND_INSTR(0x61, 0x0C),
553 ILI9881C_COMMAND_INSTR(0x62, 0x0D),
554 ILI9881C_COMMAND_INSTR(0x63, 0x0E),
555 ILI9881C_COMMAND_INSTR(0x64, 0x0F),
556 ILI9881C_COMMAND_INSTR(0x65, 0x10),
557 ILI9881C_COMMAND_INSTR(0x66, 0x11),
558 ILI9881C_COMMAND_INSTR(0x67, 0x08),
559 ILI9881C_COMMAND_INSTR(0x68, 0x02),
560 ILI9881C_COMMAND_INSTR(0x69, 0x0A),
561 ILI9881C_COMMAND_INSTR(0x6A, 0x02),
562 ILI9881C_COMMAND_INSTR(0x6B, 0x02),
563 ILI9881C_COMMAND_INSTR(0x6C, 0x02),
564 ILI9881C_COMMAND_INSTR(0x6D, 0x02),
565 ILI9881C_COMMAND_INSTR(0x6E, 0x02),
566 ILI9881C_COMMAND_INSTR(0x6F, 0x02),
567
568 ILI9881C_COMMAND_INSTR(0x70, 0x02),
569 ILI9881C_COMMAND_INSTR(0x71, 0x02),
570 ILI9881C_COMMAND_INSTR(0x72, 0x06),
571 ILI9881C_COMMAND_INSTR(0x73, 0x02),
572 ILI9881C_COMMAND_INSTR(0x74, 0x02),
573 ILI9881C_COMMAND_INSTR(0x75, 0x14),
574 ILI9881C_COMMAND_INSTR(0x76, 0x15),
575 ILI9881C_COMMAND_INSTR(0x77, 0x0F),
576 ILI9881C_COMMAND_INSTR(0x78, 0x0E),
577 ILI9881C_COMMAND_INSTR(0x79, 0x0D),
578 ILI9881C_COMMAND_INSTR(0x7A, 0x0C),
579 ILI9881C_COMMAND_INSTR(0x7B, 0x11),
580 ILI9881C_COMMAND_INSTR(0x7C, 0x10),
581 ILI9881C_COMMAND_INSTR(0x7D, 0x06),
582 ILI9881C_COMMAND_INSTR(0x7E, 0x02),
583 ILI9881C_COMMAND_INSTR(0x7F, 0x0A),
584
585 ILI9881C_COMMAND_INSTR(0x80, 0x02),
586 ILI9881C_COMMAND_INSTR(0x81, 0x02),
587 ILI9881C_COMMAND_INSTR(0x82, 0x02),
588 ILI9881C_COMMAND_INSTR(0x83, 0x02),
589 ILI9881C_COMMAND_INSTR(0x84, 0x02),
590 ILI9881C_COMMAND_INSTR(0x85, 0x02),
591 ILI9881C_COMMAND_INSTR(0x86, 0x02),
592 ILI9881C_COMMAND_INSTR(0x87, 0x02),
593 ILI9881C_COMMAND_INSTR(0x88, 0x08),
594 ILI9881C_COMMAND_INSTR(0x89, 0x02),
595 ILI9881C_COMMAND_INSTR(0x8A, 0x02),
596
597 ILI9881C_SWITCH_PAGE_INSTR(4),
598 ILI9881C_COMMAND_INSTR(0x00, 0x80),
599 ILI9881C_COMMAND_INSTR(0x70, 0x00),
600 ILI9881C_COMMAND_INSTR(0x71, 0x00),
601 ILI9881C_COMMAND_INSTR(0x66, 0xFE),
602 ILI9881C_COMMAND_INSTR(0x82, 0x15),
603 ILI9881C_COMMAND_INSTR(0x84, 0x15),
604 ILI9881C_COMMAND_INSTR(0x85, 0x15),
605 ILI9881C_COMMAND_INSTR(0x3a, 0x24),
606 ILI9881C_COMMAND_INSTR(0x32, 0xAC),
607 ILI9881C_COMMAND_INSTR(0x8C, 0x80),
608 ILI9881C_COMMAND_INSTR(0x3C, 0xF5),
609 ILI9881C_COMMAND_INSTR(0x88, 0x33),
610
611 ILI9881C_SWITCH_PAGE_INSTR(1),
612 ILI9881C_COMMAND_INSTR(0x22, 0x0A),
613 ILI9881C_COMMAND_INSTR(0x31, 0x00),
614 ILI9881C_COMMAND_INSTR(0x53, 0x78),
615 ILI9881C_COMMAND_INSTR(0x50, 0x5B),
616 ILI9881C_COMMAND_INSTR(0x51, 0x5B),
617 ILI9881C_COMMAND_INSTR(0x60, 0x20),
618 ILI9881C_COMMAND_INSTR(0x61, 0x00),
619 ILI9881C_COMMAND_INSTR(0x62, 0x0D),
620 ILI9881C_COMMAND_INSTR(0x63, 0x00),
621
622 ILI9881C_COMMAND_INSTR(0xA0, 0x00),
623 ILI9881C_COMMAND_INSTR(0xA1, 0x10),
624 ILI9881C_COMMAND_INSTR(0xA2, 0x1C),
625 ILI9881C_COMMAND_INSTR(0xA3, 0x13),
626 ILI9881C_COMMAND_INSTR(0xA4, 0x15),
627 ILI9881C_COMMAND_INSTR(0xA5, 0x26),
628 ILI9881C_COMMAND_INSTR(0xA6, 0x1A),
629 ILI9881C_COMMAND_INSTR(0xA7, 0x1D),
630 ILI9881C_COMMAND_INSTR(0xA8, 0x67),
631 ILI9881C_COMMAND_INSTR(0xA9, 0x1C),
632 ILI9881C_COMMAND_INSTR(0xAA, 0x29),
633 ILI9881C_COMMAND_INSTR(0xAB, 0x5B),
634 ILI9881C_COMMAND_INSTR(0xAC, 0x26),
635 ILI9881C_COMMAND_INSTR(0xAD, 0x28),
636 ILI9881C_COMMAND_INSTR(0xAE, 0x5C),
637 ILI9881C_COMMAND_INSTR(0xAF, 0x30),
638 ILI9881C_COMMAND_INSTR(0xB0, 0x31),
639 ILI9881C_COMMAND_INSTR(0xB1, 0x2E),
640 ILI9881C_COMMAND_INSTR(0xB2, 0x32),
641 ILI9881C_COMMAND_INSTR(0xB3, 0x00),
642
643 ILI9881C_COMMAND_INSTR(0xC0, 0x00),
644 ILI9881C_COMMAND_INSTR(0xC1, 0x10),
645 ILI9881C_COMMAND_INSTR(0xC2, 0x1C),
646 ILI9881C_COMMAND_INSTR(0xC3, 0x13),
647 ILI9881C_COMMAND_INSTR(0xC4, 0x15),
648 ILI9881C_COMMAND_INSTR(0xC5, 0x26),
649 ILI9881C_COMMAND_INSTR(0xC6, 0x1A),
650 ILI9881C_COMMAND_INSTR(0xC7, 0x1D),
651 ILI9881C_COMMAND_INSTR(0xC8, 0x67),
652 ILI9881C_COMMAND_INSTR(0xC9, 0x1C),
653 ILI9881C_COMMAND_INSTR(0xCA, 0x29),
654 ILI9881C_COMMAND_INSTR(0xCB, 0x5B),
655 ILI9881C_COMMAND_INSTR(0xCC, 0x26),
656 ILI9881C_COMMAND_INSTR(0xCD, 0x28),
657 ILI9881C_COMMAND_INSTR(0xCE, 0x5C),
658 ILI9881C_COMMAND_INSTR(0xCF, 0x30),
659 ILI9881C_COMMAND_INSTR(0xD0, 0x31),
660 ILI9881C_COMMAND_INSTR(0xD1, 0x2E),
661 ILI9881C_COMMAND_INSTR(0xD2, 0x32),
662 ILI9881C_COMMAND_INSTR(0xD3, 0x00),
663 ILI9881C_SWITCH_PAGE_INSTR(0),
664};
665
666static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
667{
668 return container_of(panel, struct ili9881c, panel);
669}
670
671/*
672 * The panel seems to accept some private DCS commands that map
673 * directly to registers.
674 *
675 * It is organised by page, with each page having its own set of
676 * registers, and the first page looks like it's holding the standard
677 * DCS commands.
678 *
679 * So before any attempt at sending a command or data, we have to be
680 * sure if we're in the right page or not.
681 */
682static int ili9881c_switch_page(struct ili9881c *ctx, u8 page)
683{
684 u8 buf[4] = { 0xff, 0x98, 0x81, page };
685 int ret;
686
687 ret = mipi_dsi_dcs_write_buffer(ctx->dsi, buf, sizeof(buf));
688 if (ret < 0)
689 return ret;
690
691 return 0;
692}
693
694static int ili9881c_send_cmd_data(struct ili9881c *ctx, u8 cmd, u8 data)
695{
696 u8 buf[2] = { cmd, data };
697 int ret;
698
699 ret = mipi_dsi_dcs_write_buffer(ctx->dsi, buf, sizeof(buf));
700 if (ret < 0)
701 return ret;
702
703 return 0;
704}
705
706static int ili9881c_prepare(struct drm_panel *panel)
707{
708 struct ili9881c *ctx = panel_to_ili9881c(panel);
709 unsigned int i;
710 int ret;
711
712 /* Power the panel */
713 ret = regulator_enable(ctx->power);
714 if (ret)
715 return ret;
716 msleep(5);
717
718 /* And reset it */
719 gpiod_set_value(ctx->reset, 1);
720 msleep(20);
721
722 gpiod_set_value(ctx->reset, 0);
723 msleep(20);
724
725 for (i = 0; i < ctx->desc->init_length; i++) {
726 const struct ili9881c_instr *instr = &ctx->desc->init[i];
727
728 if (instr->op == ILI9881C_SWITCH_PAGE)
729 ret = ili9881c_switch_page(ctx, instr->arg.page);
730 else if (instr->op == ILI9881C_COMMAND)
731 ret = ili9881c_send_cmd_data(ctx, instr->arg.cmd.cmd,
732 instr->arg.cmd.data);
733
734 if (ret)
735 return ret;
736 }
737
738 ret = ili9881c_switch_page(ctx, 0);
739 if (ret)
740 return ret;
741
742 ret = mipi_dsi_dcs_set_tear_on(ctx->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
743 if (ret)
744 return ret;
745
746 ret = mipi_dsi_dcs_exit_sleep_mode(ctx->dsi);
747 if (ret)
748 return ret;
749
750 return 0;
751}
752
753static int ili9881c_enable(struct drm_panel *panel)
754{
755 struct ili9881c *ctx = panel_to_ili9881c(panel);
756
757 msleep(120);
758
759 mipi_dsi_dcs_set_display_on(ctx->dsi);
760
761 return 0;
762}
763
764static int ili9881c_disable(struct drm_panel *panel)
765{
766 struct ili9881c *ctx = panel_to_ili9881c(panel);
767
768 return mipi_dsi_dcs_set_display_off(ctx->dsi);
769}
770
771static int ili9881c_unprepare(struct drm_panel *panel)
772{
773 struct ili9881c *ctx = panel_to_ili9881c(panel);
774
775 mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
776 regulator_disable(ctx->power);
777 gpiod_set_value(ctx->reset, 1);
778
779 return 0;
780}
781
782static const struct drm_display_mode lhr050h41_default_mode = {
783 .clock = 62000,
784
785 .hdisplay = 720,
786 .hsync_start = 720 + 10,
787 .hsync_end = 720 + 10 + 20,
788 .htotal = 720 + 10 + 20 + 30,
789
790 .vdisplay = 1280,
791 .vsync_start = 1280 + 10,
792 .vsync_end = 1280 + 10 + 10,
793 .vtotal = 1280 + 10 + 10 + 20,
794
795 .width_mm = 62,
796 .height_mm = 110,
797};
798
799static const struct drm_display_mode k101_im2byl02_default_mode = {
800 .clock = 69700,
801
802 .hdisplay = 800,
803 .hsync_start = 800 + 52,
804 .hsync_end = 800 + 52 + 8,
805 .htotal = 800 + 52 + 8 + 48,
806
807 .vdisplay = 1280,
808 .vsync_start = 1280 + 16,
809 .vsync_end = 1280 + 16 + 6,
810 .vtotal = 1280 + 16 + 6 + 15,
811
812 .width_mm = 135,
813 .height_mm = 217,
814};
815
816static const struct drm_display_mode w552946aba_default_mode = {
817 .clock = 64000,
818
819 .hdisplay = 720,
820 .hsync_start = 720 + 40,
821 .hsync_end = 720 + 40 + 10,
822 .htotal = 720 + 40 + 10 + 40,
823
824 .vdisplay = 1280,
825 .vsync_start = 1280 + 22,
826 .vsync_end = 1280 + 22 + 4,
827 .vtotal = 1280 + 22 + 4 + 11,
828
829 .width_mm = 68,
830 .height_mm = 121,
831};
832
833static int ili9881c_get_modes(struct drm_panel *panel,
834 struct drm_connector *connector)
835{
836 struct ili9881c *ctx = panel_to_ili9881c(panel);
837 struct drm_display_mode *mode;
838
839 mode = drm_mode_duplicate(connector->dev, ctx->desc->mode);
840 if (!mode) {
841 dev_err(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n",
842 ctx->desc->mode->hdisplay,
843 ctx->desc->mode->vdisplay,
844 drm_mode_vrefresh(ctx->desc->mode));
845 return -ENOMEM;
846 }
847
848 drm_mode_set_name(mode);
849
850 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
851 drm_mode_probed_add(connector, mode);
852
853 connector->display_info.width_mm = mode->width_mm;
854 connector->display_info.height_mm = mode->height_mm;
855
856 /*
857 * TODO: Remove once all drm drivers call
858 * drm_connector_set_orientation_from_panel()
859 */
860 drm_connector_set_panel_orientation(connector, ctx->orientation);
861
862 return 1;
863}
864
865static enum drm_panel_orientation ili9881c_get_orientation(struct drm_panel *panel)
866{
867 struct ili9881c *ctx = panel_to_ili9881c(panel);
868
869 return ctx->orientation;
870}
871
872static const struct drm_panel_funcs ili9881c_funcs = {
873 .prepare = ili9881c_prepare,
874 .unprepare = ili9881c_unprepare,
875 .enable = ili9881c_enable,
876 .disable = ili9881c_disable,
877 .get_modes = ili9881c_get_modes,
878 .get_orientation = ili9881c_get_orientation,
879};
880
881static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
882{
883 struct ili9881c *ctx;
884 int ret;
885
886 ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);
887 if (!ctx)
888 return -ENOMEM;
889 mipi_dsi_set_drvdata(dsi, ctx);
890 ctx->dsi = dsi;
891 ctx->desc = of_device_get_match_data(&dsi->dev);
892
893 drm_panel_init(&ctx->panel, &dsi->dev, &ili9881c_funcs,
894 DRM_MODE_CONNECTOR_DSI);
895
896 ctx->power = devm_regulator_get(&dsi->dev, "power");
897 if (IS_ERR(ctx->power))
898 return dev_err_probe(&dsi->dev, PTR_ERR(ctx->power),
899 "Couldn't get our power regulator\n");
900
901 ctx->reset = devm_gpiod_get_optional(&dsi->dev, "reset", GPIOD_OUT_LOW);
902 if (IS_ERR(ctx->reset))
903 return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset),
904 "Couldn't get our reset GPIO\n");
905
906 ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
907 if (ret) {
908 dev_err(&dsi->dev, "%pOF: failed to get orientation: %d\n",
909 dsi->dev.of_node, ret);
910 return ret;
911 }
912
913 ret = drm_panel_of_backlight(&ctx->panel);
914 if (ret)
915 return ret;
916
917 drm_panel_add(&ctx->panel);
918
919 dsi->mode_flags = ctx->desc->mode_flags;
920 dsi->format = MIPI_DSI_FMT_RGB888;
921 dsi->lanes = 4;
922
923 return mipi_dsi_attach(dsi);
924}
925
926static void ili9881c_dsi_remove(struct mipi_dsi_device *dsi)
927{
928 struct ili9881c *ctx = mipi_dsi_get_drvdata(dsi);
929
930 mipi_dsi_detach(dsi);
931 drm_panel_remove(&ctx->panel);
932}
933
934static const struct ili9881c_desc lhr050h41_desc = {
935 .init = lhr050h41_init,
936 .init_length = ARRAY_SIZE(lhr050h41_init),
937 .mode = &lhr050h41_default_mode,
938 .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
939};
940
941static const struct ili9881c_desc k101_im2byl02_desc = {
942 .init = k101_im2byl02_init,
943 .init_length = ARRAY_SIZE(k101_im2byl02_init),
944 .mode = &k101_im2byl02_default_mode,
945 .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
946};
947
948static const struct ili9881c_desc w552946aba_desc = {
949 .init = w552946ab_init,
950 .init_length = ARRAY_SIZE(w552946ab_init),
951 .mode = &w552946aba_default_mode,
952 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
953 MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET,
954};
955
956static const struct of_device_id ili9881c_of_match[] = {
957 { .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
958 { .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
959 { .compatible = "wanchanglong,w552946aba", .data = &w552946aba_desc },
960 { }
961};
962MODULE_DEVICE_TABLE(of, ili9881c_of_match);
963
964static struct mipi_dsi_driver ili9881c_dsi_driver = {
965 .probe = ili9881c_dsi_probe,
966 .remove = ili9881c_dsi_remove,
967 .driver = {
968 .name = "ili9881c-dsi",
969 .of_match_table = ili9881c_of_match,
970 },
971};
972module_mipi_dsi_driver(ili9881c_dsi_driver);
973
974MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
975MODULE_DESCRIPTION("Ilitek ILI9881C Controller Driver");
976MODULE_LICENSE("GPL v2");