1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2024 Collabora
3
4 #include <linux/delay.h>
5 #include <linux/gpio/consumer.h>
6 #include <linux/module.h>
7 #include <linux/mod_devicetable.h>
8 #include <linux/property.h>
9 #include <linux/regulator/consumer.h>
10
11 #include <drm/drm_mipi_dsi.h>
12 #include <drm/drm_probe_helper.h>
13 #include <drm/drm_modes.h>
14 #include <drm/drm_panel.h>
15
16 struct raydium_rm67200_panel_info {
17 struct drm_display_mode mode;
18 const struct regulator_bulk_data *regulators;
19 int num_regulators;
20 void (*panel_setup)(struct mipi_dsi_multi_context *ctx);
21 };
22
23 struct raydium_rm67200 {
24 struct drm_panel panel;
25 const struct raydium_rm67200_panel_info *panel_info;
26 struct mipi_dsi_device *dsi;
27 struct gpio_desc *reset_gpio;
28 struct regulator_bulk_data *supplies;
29 int num_supplies;
30 };
31
to_raydium_rm67200(struct drm_panel * panel)32 static inline struct raydium_rm67200 *to_raydium_rm67200(struct drm_panel *panel)
33 {
34 return container_of(panel, struct raydium_rm67200, panel);
35 }
36
raydium_rm67200_reset(struct raydium_rm67200 * ctx)37 static void raydium_rm67200_reset(struct raydium_rm67200 *ctx)
38 {
39 gpiod_set_value_cansleep(ctx->reset_gpio, 0);
40 msleep(60);
41 gpiod_set_value_cansleep(ctx->reset_gpio, 1);
42 msleep(60);
43 gpiod_set_value_cansleep(ctx->reset_gpio, 0);
44 msleep(60);
45 }
46
raydium_rm67200_write(struct mipi_dsi_multi_context * ctx,u8 arg1,u8 arg2)47 static void raydium_rm67200_write(struct mipi_dsi_multi_context *ctx,
48 u8 arg1, u8 arg2)
49 {
50 u8 d[] = { arg1, arg2 };
51
52 mipi_dsi_generic_write_multi(ctx, d, ARRAY_SIZE(d));
53 }
54
w552793baa_setup(struct mipi_dsi_multi_context * ctx)55 static void w552793baa_setup(struct mipi_dsi_multi_context *ctx)
56 {
57 raydium_rm67200_write(ctx, 0xfe, 0x21);
58 raydium_rm67200_write(ctx, 0x04, 0x00);
59 raydium_rm67200_write(ctx, 0x00, 0x64);
60 raydium_rm67200_write(ctx, 0x2a, 0x00);
61 raydium_rm67200_write(ctx, 0x26, 0x64);
62 raydium_rm67200_write(ctx, 0x54, 0x00);
63 raydium_rm67200_write(ctx, 0x50, 0x64);
64 raydium_rm67200_write(ctx, 0x7b, 0x00);
65 raydium_rm67200_write(ctx, 0x77, 0x64);
66 raydium_rm67200_write(ctx, 0xa2, 0x00);
67 raydium_rm67200_write(ctx, 0x9d, 0x64);
68 raydium_rm67200_write(ctx, 0xc9, 0x00);
69 raydium_rm67200_write(ctx, 0xc5, 0x64);
70 raydium_rm67200_write(ctx, 0x01, 0x71);
71 raydium_rm67200_write(ctx, 0x27, 0x71);
72 raydium_rm67200_write(ctx, 0x51, 0x71);
73 raydium_rm67200_write(ctx, 0x78, 0x71);
74 raydium_rm67200_write(ctx, 0x9e, 0x71);
75 raydium_rm67200_write(ctx, 0xc6, 0x71);
76 raydium_rm67200_write(ctx, 0x02, 0x89);
77 raydium_rm67200_write(ctx, 0x28, 0x89);
78 raydium_rm67200_write(ctx, 0x52, 0x89);
79 raydium_rm67200_write(ctx, 0x79, 0x89);
80 raydium_rm67200_write(ctx, 0x9f, 0x89);
81 raydium_rm67200_write(ctx, 0xc7, 0x89);
82 raydium_rm67200_write(ctx, 0x03, 0x9e);
83 raydium_rm67200_write(ctx, 0x29, 0x9e);
84 raydium_rm67200_write(ctx, 0x53, 0x9e);
85 raydium_rm67200_write(ctx, 0x7a, 0x9e);
86 raydium_rm67200_write(ctx, 0xa0, 0x9e);
87 raydium_rm67200_write(ctx, 0xc8, 0x9e);
88 raydium_rm67200_write(ctx, 0x09, 0x00);
89 raydium_rm67200_write(ctx, 0x05, 0xb0);
90 raydium_rm67200_write(ctx, 0x31, 0x00);
91 raydium_rm67200_write(ctx, 0x2b, 0xb0);
92 raydium_rm67200_write(ctx, 0x5a, 0x00);
93 raydium_rm67200_write(ctx, 0x55, 0xb0);
94 raydium_rm67200_write(ctx, 0x80, 0x00);
95 raydium_rm67200_write(ctx, 0x7c, 0xb0);
96 raydium_rm67200_write(ctx, 0xa7, 0x00);
97 raydium_rm67200_write(ctx, 0xa3, 0xb0);
98 raydium_rm67200_write(ctx, 0xce, 0x00);
99 raydium_rm67200_write(ctx, 0xca, 0xb0);
100 raydium_rm67200_write(ctx, 0x06, 0xc0);
101 raydium_rm67200_write(ctx, 0x2d, 0xc0);
102 raydium_rm67200_write(ctx, 0x56, 0xc0);
103 raydium_rm67200_write(ctx, 0x7d, 0xc0);
104 raydium_rm67200_write(ctx, 0xa4, 0xc0);
105 raydium_rm67200_write(ctx, 0xcb, 0xc0);
106 raydium_rm67200_write(ctx, 0x07, 0xcf);
107 raydium_rm67200_write(ctx, 0x2f, 0xcf);
108 raydium_rm67200_write(ctx, 0x58, 0xcf);
109 raydium_rm67200_write(ctx, 0x7e, 0xcf);
110 raydium_rm67200_write(ctx, 0xa5, 0xcf);
111 raydium_rm67200_write(ctx, 0xcc, 0xcf);
112 raydium_rm67200_write(ctx, 0x08, 0xdd);
113 raydium_rm67200_write(ctx, 0x30, 0xdd);
114 raydium_rm67200_write(ctx, 0x59, 0xdd);
115 raydium_rm67200_write(ctx, 0x7f, 0xdd);
116 raydium_rm67200_write(ctx, 0xa6, 0xdd);
117 raydium_rm67200_write(ctx, 0xcd, 0xdd);
118 raydium_rm67200_write(ctx, 0x0e, 0x15);
119 raydium_rm67200_write(ctx, 0x0a, 0xe9);
120 raydium_rm67200_write(ctx, 0x36, 0x15);
121 raydium_rm67200_write(ctx, 0x32, 0xe9);
122 raydium_rm67200_write(ctx, 0x5f, 0x15);
123 raydium_rm67200_write(ctx, 0x5b, 0xe9);
124 raydium_rm67200_write(ctx, 0x85, 0x15);
125 raydium_rm67200_write(ctx, 0x81, 0xe9);
126 raydium_rm67200_write(ctx, 0xad, 0x15);
127 raydium_rm67200_write(ctx, 0xa9, 0xe9);
128 raydium_rm67200_write(ctx, 0xd3, 0x15);
129 raydium_rm67200_write(ctx, 0xcf, 0xe9);
130 raydium_rm67200_write(ctx, 0x0b, 0x14);
131 raydium_rm67200_write(ctx, 0x33, 0x14);
132 raydium_rm67200_write(ctx, 0x5c, 0x14);
133 raydium_rm67200_write(ctx, 0x82, 0x14);
134 raydium_rm67200_write(ctx, 0xaa, 0x14);
135 raydium_rm67200_write(ctx, 0xd0, 0x14);
136 raydium_rm67200_write(ctx, 0x0c, 0x36);
137 raydium_rm67200_write(ctx, 0x34, 0x36);
138 raydium_rm67200_write(ctx, 0x5d, 0x36);
139 raydium_rm67200_write(ctx, 0x83, 0x36);
140 raydium_rm67200_write(ctx, 0xab, 0x36);
141 raydium_rm67200_write(ctx, 0xd1, 0x36);
142 raydium_rm67200_write(ctx, 0x0d, 0x6b);
143 raydium_rm67200_write(ctx, 0x35, 0x6b);
144 raydium_rm67200_write(ctx, 0x5e, 0x6b);
145 raydium_rm67200_write(ctx, 0x84, 0x6b);
146 raydium_rm67200_write(ctx, 0xac, 0x6b);
147 raydium_rm67200_write(ctx, 0xd2, 0x6b);
148 raydium_rm67200_write(ctx, 0x13, 0x5a);
149 raydium_rm67200_write(ctx, 0x0f, 0x94);
150 raydium_rm67200_write(ctx, 0x3b, 0x5a);
151 raydium_rm67200_write(ctx, 0x37, 0x94);
152 raydium_rm67200_write(ctx, 0x64, 0x5a);
153 raydium_rm67200_write(ctx, 0x60, 0x94);
154 raydium_rm67200_write(ctx, 0x8a, 0x5a);
155 raydium_rm67200_write(ctx, 0x86, 0x94);
156 raydium_rm67200_write(ctx, 0xb2, 0x5a);
157 raydium_rm67200_write(ctx, 0xae, 0x94);
158 raydium_rm67200_write(ctx, 0xd8, 0x5a);
159 raydium_rm67200_write(ctx, 0xd4, 0x94);
160 raydium_rm67200_write(ctx, 0x10, 0xd1);
161 raydium_rm67200_write(ctx, 0x38, 0xd1);
162 raydium_rm67200_write(ctx, 0x61, 0xd1);
163 raydium_rm67200_write(ctx, 0x87, 0xd1);
164 raydium_rm67200_write(ctx, 0xaf, 0xd1);
165 raydium_rm67200_write(ctx, 0xd5, 0xd1);
166 raydium_rm67200_write(ctx, 0x11, 0x04);
167 raydium_rm67200_write(ctx, 0x39, 0x04);
168 raydium_rm67200_write(ctx, 0x62, 0x04);
169 raydium_rm67200_write(ctx, 0x88, 0x04);
170 raydium_rm67200_write(ctx, 0xb0, 0x04);
171 raydium_rm67200_write(ctx, 0xd6, 0x04);
172 raydium_rm67200_write(ctx, 0x12, 0x05);
173 raydium_rm67200_write(ctx, 0x3a, 0x05);
174 raydium_rm67200_write(ctx, 0x63, 0x05);
175 raydium_rm67200_write(ctx, 0x89, 0x05);
176 raydium_rm67200_write(ctx, 0xb1, 0x05);
177 raydium_rm67200_write(ctx, 0xd7, 0x05);
178 raydium_rm67200_write(ctx, 0x18, 0xaa);
179 raydium_rm67200_write(ctx, 0x14, 0x36);
180 raydium_rm67200_write(ctx, 0x42, 0xaa);
181 raydium_rm67200_write(ctx, 0x3d, 0x36);
182 raydium_rm67200_write(ctx, 0x69, 0xaa);
183 raydium_rm67200_write(ctx, 0x65, 0x36);
184 raydium_rm67200_write(ctx, 0x8f, 0xaa);
185 raydium_rm67200_write(ctx, 0x8b, 0x36);
186 raydium_rm67200_write(ctx, 0xb7, 0xaa);
187 raydium_rm67200_write(ctx, 0xb3, 0x36);
188 raydium_rm67200_write(ctx, 0xdd, 0xaa);
189 raydium_rm67200_write(ctx, 0xd9, 0x36);
190 raydium_rm67200_write(ctx, 0x15, 0x74);
191 raydium_rm67200_write(ctx, 0x3f, 0x74);
192 raydium_rm67200_write(ctx, 0x66, 0x74);
193 raydium_rm67200_write(ctx, 0x8c, 0x74);
194 raydium_rm67200_write(ctx, 0xb4, 0x74);
195 raydium_rm67200_write(ctx, 0xda, 0x74);
196 raydium_rm67200_write(ctx, 0x16, 0x9f);
197 raydium_rm67200_write(ctx, 0x40, 0x9f);
198 raydium_rm67200_write(ctx, 0x67, 0x9f);
199 raydium_rm67200_write(ctx, 0x8d, 0x9f);
200 raydium_rm67200_write(ctx, 0xb5, 0x9f);
201 raydium_rm67200_write(ctx, 0xdb, 0x9f);
202 raydium_rm67200_write(ctx, 0x17, 0xdc);
203 raydium_rm67200_write(ctx, 0x41, 0xdc);
204 raydium_rm67200_write(ctx, 0x68, 0xdc);
205 raydium_rm67200_write(ctx, 0x8e, 0xdc);
206 raydium_rm67200_write(ctx, 0xb6, 0xdc);
207 raydium_rm67200_write(ctx, 0xdc, 0xdc);
208 raydium_rm67200_write(ctx, 0x1d, 0xff);
209 raydium_rm67200_write(ctx, 0x19, 0x03);
210 raydium_rm67200_write(ctx, 0x47, 0xff);
211 raydium_rm67200_write(ctx, 0x43, 0x03);
212 raydium_rm67200_write(ctx, 0x6e, 0xff);
213 raydium_rm67200_write(ctx, 0x6a, 0x03);
214 raydium_rm67200_write(ctx, 0x94, 0xff);
215 raydium_rm67200_write(ctx, 0x90, 0x03);
216 raydium_rm67200_write(ctx, 0xbc, 0xff);
217 raydium_rm67200_write(ctx, 0xb8, 0x03);
218 raydium_rm67200_write(ctx, 0xe2, 0xff);
219 raydium_rm67200_write(ctx, 0xde, 0x03);
220 raydium_rm67200_write(ctx, 0x1a, 0x35);
221 raydium_rm67200_write(ctx, 0x44, 0x35);
222 raydium_rm67200_write(ctx, 0x6b, 0x35);
223 raydium_rm67200_write(ctx, 0x91, 0x35);
224 raydium_rm67200_write(ctx, 0xb9, 0x35);
225 raydium_rm67200_write(ctx, 0xdf, 0x35);
226 raydium_rm67200_write(ctx, 0x1b, 0x45);
227 raydium_rm67200_write(ctx, 0x45, 0x45);
228 raydium_rm67200_write(ctx, 0x6c, 0x45);
229 raydium_rm67200_write(ctx, 0x92, 0x45);
230 raydium_rm67200_write(ctx, 0xba, 0x45);
231 raydium_rm67200_write(ctx, 0xe0, 0x45);
232 raydium_rm67200_write(ctx, 0x1c, 0x55);
233 raydium_rm67200_write(ctx, 0x46, 0x55);
234 raydium_rm67200_write(ctx, 0x6d, 0x55);
235 raydium_rm67200_write(ctx, 0x93, 0x55);
236 raydium_rm67200_write(ctx, 0xbb, 0x55);
237 raydium_rm67200_write(ctx, 0xe1, 0x55);
238 raydium_rm67200_write(ctx, 0x22, 0xff);
239 raydium_rm67200_write(ctx, 0x1e, 0x68);
240 raydium_rm67200_write(ctx, 0x4c, 0xff);
241 raydium_rm67200_write(ctx, 0x48, 0x68);
242 raydium_rm67200_write(ctx, 0x73, 0xff);
243 raydium_rm67200_write(ctx, 0x6f, 0x68);
244 raydium_rm67200_write(ctx, 0x99, 0xff);
245 raydium_rm67200_write(ctx, 0x95, 0x68);
246 raydium_rm67200_write(ctx, 0xc1, 0xff);
247 raydium_rm67200_write(ctx, 0xbd, 0x68);
248 raydium_rm67200_write(ctx, 0xe7, 0xff);
249 raydium_rm67200_write(ctx, 0xe3, 0x68);
250 raydium_rm67200_write(ctx, 0x1f, 0x7e);
251 raydium_rm67200_write(ctx, 0x49, 0x7e);
252 raydium_rm67200_write(ctx, 0x70, 0x7e);
253 raydium_rm67200_write(ctx, 0x96, 0x7e);
254 raydium_rm67200_write(ctx, 0xbe, 0x7e);
255 raydium_rm67200_write(ctx, 0xe4, 0x7e);
256 raydium_rm67200_write(ctx, 0x20, 0x97);
257 raydium_rm67200_write(ctx, 0x4a, 0x97);
258 raydium_rm67200_write(ctx, 0x71, 0x97);
259 raydium_rm67200_write(ctx, 0x97, 0x97);
260 raydium_rm67200_write(ctx, 0xbf, 0x97);
261 raydium_rm67200_write(ctx, 0xe5, 0x97);
262 raydium_rm67200_write(ctx, 0x21, 0xb5);
263 raydium_rm67200_write(ctx, 0x4b, 0xb5);
264 raydium_rm67200_write(ctx, 0x72, 0xb5);
265 raydium_rm67200_write(ctx, 0x98, 0xb5);
266 raydium_rm67200_write(ctx, 0xc0, 0xb5);
267 raydium_rm67200_write(ctx, 0xe6, 0xb5);
268 raydium_rm67200_write(ctx, 0x25, 0xf0);
269 raydium_rm67200_write(ctx, 0x23, 0xe8);
270 raydium_rm67200_write(ctx, 0x4f, 0xf0);
271 raydium_rm67200_write(ctx, 0x4d, 0xe8);
272 raydium_rm67200_write(ctx, 0x76, 0xf0);
273 raydium_rm67200_write(ctx, 0x74, 0xe8);
274 raydium_rm67200_write(ctx, 0x9c, 0xf0);
275 raydium_rm67200_write(ctx, 0x9a, 0xe8);
276 raydium_rm67200_write(ctx, 0xc4, 0xf0);
277 raydium_rm67200_write(ctx, 0xc2, 0xe8);
278 raydium_rm67200_write(ctx, 0xea, 0xf0);
279 raydium_rm67200_write(ctx, 0xe8, 0xe8);
280 raydium_rm67200_write(ctx, 0x24, 0xff);
281 raydium_rm67200_write(ctx, 0x4e, 0xff);
282 raydium_rm67200_write(ctx, 0x75, 0xff);
283 raydium_rm67200_write(ctx, 0x9b, 0xff);
284 raydium_rm67200_write(ctx, 0xc3, 0xff);
285 raydium_rm67200_write(ctx, 0xe9, 0xff);
286 raydium_rm67200_write(ctx, 0xfe, 0x3d);
287 raydium_rm67200_write(ctx, 0x00, 0x04);
288 raydium_rm67200_write(ctx, 0xfe, 0x23);
289 raydium_rm67200_write(ctx, 0x08, 0x82);
290 raydium_rm67200_write(ctx, 0x0a, 0x00);
291 raydium_rm67200_write(ctx, 0x0b, 0x00);
292 raydium_rm67200_write(ctx, 0x0c, 0x01);
293 raydium_rm67200_write(ctx, 0x16, 0x00);
294 raydium_rm67200_write(ctx, 0x18, 0x02);
295 raydium_rm67200_write(ctx, 0x1b, 0x04);
296 raydium_rm67200_write(ctx, 0x19, 0x04);
297 raydium_rm67200_write(ctx, 0x1c, 0x81);
298 raydium_rm67200_write(ctx, 0x1f, 0x00);
299 raydium_rm67200_write(ctx, 0x20, 0x03);
300 raydium_rm67200_write(ctx, 0x23, 0x04);
301 raydium_rm67200_write(ctx, 0x21, 0x01);
302 raydium_rm67200_write(ctx, 0x54, 0x63);
303 raydium_rm67200_write(ctx, 0x55, 0x54);
304 raydium_rm67200_write(ctx, 0x6e, 0x45);
305 raydium_rm67200_write(ctx, 0x6d, 0x36);
306 raydium_rm67200_write(ctx, 0xfe, 0x3d);
307 raydium_rm67200_write(ctx, 0x55, 0x78);
308 raydium_rm67200_write(ctx, 0xfe, 0x20);
309 raydium_rm67200_write(ctx, 0x26, 0x30);
310 raydium_rm67200_write(ctx, 0xfe, 0x3d);
311 raydium_rm67200_write(ctx, 0x20, 0x71);
312 raydium_rm67200_write(ctx, 0x50, 0x8f);
313 raydium_rm67200_write(ctx, 0x51, 0x8f);
314 raydium_rm67200_write(ctx, 0xfe, 0x00);
315 raydium_rm67200_write(ctx, 0x35, 0x00);
316 }
317
raydium_rm67200_prepare(struct drm_panel * panel)318 static int raydium_rm67200_prepare(struct drm_panel *panel)
319 {
320 struct raydium_rm67200 *ctx = to_raydium_rm67200(panel);
321 int ret;
322
323 ret = regulator_bulk_enable(ctx->num_supplies, ctx->supplies);
324 if (ret < 0)
325 return ret;
326
327 raydium_rm67200_reset(ctx);
328
329 msleep(60);
330
331 return 0;
332 }
333
raydium_rm67200_unprepare(struct drm_panel * panel)334 static int raydium_rm67200_unprepare(struct drm_panel *panel)
335 {
336 struct raydium_rm67200 *ctx = to_raydium_rm67200(panel);
337
338 gpiod_set_value_cansleep(ctx->reset_gpio, 1);
339 regulator_bulk_disable(ctx->num_supplies, ctx->supplies);
340
341 msleep(60);
342
343 return 0;
344 }
345
raydium_rm67200_enable(struct drm_panel * panel)346 static int raydium_rm67200_enable(struct drm_panel *panel)
347 {
348 struct raydium_rm67200 *rm67200 = to_raydium_rm67200(panel);
349 struct mipi_dsi_multi_context ctx = { .dsi = rm67200->dsi };
350
351 rm67200->panel_info->panel_setup(&ctx);
352 mipi_dsi_dcs_exit_sleep_mode_multi(&ctx);
353 mipi_dsi_msleep(&ctx, 120);
354 mipi_dsi_dcs_set_display_on_multi(&ctx);
355 mipi_dsi_msleep(&ctx, 30);
356
357 return ctx.accum_err;
358 }
359
raydium_rm67200_disable(struct drm_panel * panel)360 static int raydium_rm67200_disable(struct drm_panel *panel)
361 {
362 struct raydium_rm67200 *rm67200 = to_raydium_rm67200(panel);
363 struct mipi_dsi_multi_context ctx = { .dsi = rm67200->dsi };
364
365 mipi_dsi_dcs_set_display_off_multi(&ctx);
366 mipi_dsi_dcs_enter_sleep_mode_multi(&ctx);
367 mipi_dsi_msleep(&ctx, 60);
368
369 return ctx.accum_err;
370 }
371
raydium_rm67200_get_modes(struct drm_panel * panel,struct drm_connector * connector)372 static int raydium_rm67200_get_modes(struct drm_panel *panel,
373 struct drm_connector *connector)
374 {
375 struct raydium_rm67200 *ctx = to_raydium_rm67200(panel);
376
377 return drm_connector_helper_get_modes_fixed(connector, &ctx->panel_info->mode);
378 }
379
380 static const struct drm_panel_funcs raydium_rm67200_funcs = {
381 .prepare = raydium_rm67200_prepare,
382 .unprepare = raydium_rm67200_unprepare,
383 .get_modes = raydium_rm67200_get_modes,
384 .enable = raydium_rm67200_enable,
385 .disable = raydium_rm67200_disable,
386 };
387
raydium_rm67200_probe(struct mipi_dsi_device * dsi)388 static int raydium_rm67200_probe(struct mipi_dsi_device *dsi)
389 {
390 struct device *dev = &dsi->dev;
391 struct raydium_rm67200 *ctx;
392 int ret = 0;
393
394 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
395 if (!ctx)
396 return -ENOMEM;
397
398 ctx->panel_info = device_get_match_data(dev);
399 if (!ctx->panel_info)
400 return -EINVAL;
401
402 ctx->num_supplies = ctx->panel_info->num_regulators;
403 ret = devm_regulator_bulk_get_const(&dsi->dev,
404 ctx->panel_info->num_regulators,
405 ctx->panel_info->regulators,
406 &ctx->supplies);
407 if (ret < 0)
408 return ret;
409
410 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
411 if (IS_ERR(ctx->reset_gpio))
412 return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
413 "Failed to get reset-gpios\n");
414
415 ctx->dsi = dsi;
416 mipi_dsi_set_drvdata(dsi, ctx);
417
418 dsi->lanes = 4;
419 dsi->format = MIPI_DSI_FMT_RGB888;
420 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
421 MIPI_DSI_MODE_LPM;
422 ctx->panel.prepare_prev_first = true;
423
424 drm_panel_init(&ctx->panel, dev, &raydium_rm67200_funcs,
425 DRM_MODE_CONNECTOR_DSI);
426
427 ret = drm_panel_of_backlight(&ctx->panel);
428 if (ret)
429 return ret;
430
431 drm_panel_add(&ctx->panel);
432
433 ret = mipi_dsi_attach(dsi);
434 if (ret < 0) {
435 dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
436 drm_panel_remove(&ctx->panel);
437 }
438
439 return ret;
440 }
441
raydium_rm67200_remove(struct mipi_dsi_device * dsi)442 static void raydium_rm67200_remove(struct mipi_dsi_device *dsi)
443 {
444 struct raydium_rm67200 *ctx = mipi_dsi_get_drvdata(dsi);
445 int ret;
446
447 ret = mipi_dsi_detach(dsi);
448 if (ret < 0)
449 dev_err(&dsi->dev, "Failed to detach DSI host: %d\n", ret);
450
451 drm_panel_remove(&ctx->panel);
452 }
453
454 static const struct regulator_bulk_data w552793baa_regulators[] = {
455 { .supply = "vdd", }, /* 2.8V */
456 { .supply = "iovcc", }, /* 1.8V */
457 { .supply = "vsp", }, /* +5.5V */
458 { .supply = "vsn", }, /* -5.5V */
459 };
460
461 static const struct raydium_rm67200_panel_info w552793baa_info = {
462 .mode = {
463 .clock = 132000,
464 .hdisplay = 1080,
465 .hsync_start = 1095,
466 .hsync_end = 1125,
467 .htotal = 1129,
468 .vdisplay = 1920,
469 .vsync_start = 1935,
470 .vsync_end = 1950,
471 .vtotal = 1952,
472 .width_mm = 68, /* 68.04mm */
473 .height_mm = 121, /* 120.96mm */
474 .type = DRM_MODE_TYPE_DRIVER,
475 },
476 .regulators = w552793baa_regulators,
477 .num_regulators = ARRAY_SIZE(w552793baa_regulators),
478 .panel_setup = w552793baa_setup,
479 };
480
481 static const struct of_device_id raydium_rm67200_of_match[] = {
482 { .compatible = "wanchanglong,w552793baa", .data = &w552793baa_info },
483 { /*sentinel*/ }
484 };
485 MODULE_DEVICE_TABLE(of, raydium_rm67200_of_match);
486
487 static struct mipi_dsi_driver raydium_rm67200_driver = {
488 .probe = raydium_rm67200_probe,
489 .remove = raydium_rm67200_remove,
490 .driver = {
491 .name = "panel-raydium-rm67200",
492 .of_match_table = raydium_rm67200_of_match,
493 },
494 };
495 module_mipi_dsi_driver(raydium_rm67200_driver);
496
497 MODULE_AUTHOR("Sebastian Reichel <sebastian.reichel@collabora.com>");
498 MODULE_DESCRIPTION("DRM driver for RM67200-equipped DSI panels");
499 MODULE_LICENSE("GPL");
500