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