panel-visionox-rm69299.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Copyright (c) 2019, The Linux Foundation. All rights reserved.
  4 */
  5
  6#include <linux/backlight.h>
  7#include <linux/delay.h>
  8#include <linux/module.h>
  9#include <linux/property.h>
 10#include <linux/mod_devicetable.h>
 11#include <linux/gpio/consumer.h>
 12#include <linux/regulator/consumer.h>
 13
 14#include <video/mipi_display.h>
 15
 16#include <drm/drm_mipi_dsi.h>
 17#include <drm/drm_modes.h>
 18#include <drm/drm_panel.h>
 19
 20struct visionox_rm69299_panel_desc {
 21	const struct drm_display_mode *mode;
 22	const u8 *init_seq;
 23	unsigned int init_seq_len;
 24	int max_brightness;
 25	int initial_brightness;
 26};
 27
 28struct visionox_rm69299 {
 29	struct drm_panel panel;
 30	struct regulator_bulk_data *supplies;
 31	struct gpio_desc *reset_gpio;
 32	struct mipi_dsi_device *dsi;
 33	const struct visionox_rm69299_panel_desc *desc;
 34};
 35
 36static const struct regulator_bulk_data visionox_rm69299_supplies[] = {
 37	{ .supply = "vdda", .init_load_uA = 32000 },
 38	{ .supply = "vdd3p3", .init_load_uA = 13200 },
 39};
 40
 41static const u8 visionox_rm69299_1080x2248_60hz_init_seq[][2] = {
 42	{ 0xfe, 0x00 }, { 0xc2, 0x08 }, { 0x35, 0x00 }, { 0x51, 0xff },
 43};
 44
 45static const u8 visionox_rm69299_1080x2160_60hz_init_seq[][2] = {
 46	{ 0xfe, 0x40 }, { 0x05, 0x04 }, { 0x06, 0x08 }, { 0x08, 0x04 },
 47	{ 0x09, 0x08 }, { 0x0a, 0x07 }, { 0x0b, 0xcc }, { 0x0c, 0x07 },
 48	{ 0x0d, 0x90 }, { 0x0f, 0x87 }, { 0x20, 0x8d }, { 0x21, 0x8d },
 49	{ 0x24, 0x05 }, { 0x26, 0x05 }, { 0x28, 0x05 }, { 0x2a, 0x05 },
 50	{ 0x2d, 0x28 }, { 0x2f, 0x28 }, { 0x30, 0x32 }, { 0x31, 0x32 },
 51	{ 0x37, 0x80 }, { 0x38, 0x30 }, { 0x39, 0xa8 }, { 0x46, 0x48 },
 52	{ 0x47, 0x48 }, { 0x6b, 0x10 }, { 0x6f, 0x02 }, { 0x74, 0x2b },
 53	{ 0x80, 0x1a }, { 0xfe, 0x40 }, { 0x93, 0x10 }, { 0x16, 0x00 },
 54	{ 0x85, 0x07 }, { 0x84, 0x01 }, { 0x86, 0x0f }, { 0x87, 0x05 },
 55	{ 0x8c, 0x00 }, { 0x88, 0x2e }, { 0x89, 0x2e }, { 0x8b, 0x09 },
 56	{ 0x95, 0x00 }, { 0x91, 0x00 }, { 0x90, 0x00 }, { 0x8d, 0xd0 },
 57	{ 0x8a, 0x03 }, { 0xfe, 0xa0 }, { 0x13, 0x00 }, { 0x33, 0x00 },
 58	{ 0x0b, 0x33 }, { 0x36, 0x1e }, { 0x31, 0x88 }, { 0x32, 0x88 },
 59	{ 0x37, 0xf1 }, { 0xfe, 0x50 }, { 0x00, 0x00 }, { 0x01, 0x00 },
 60	{ 0x02, 0x00 }, { 0x03, 0xe9 }, { 0x04, 0x00 }, { 0x05, 0xf6 },
 61	{ 0x06, 0x01 }, { 0x07, 0x2c }, { 0x08, 0x01 }, { 0x09, 0x62 },
 62	{ 0x0a, 0x01 }, { 0x0b, 0x98 }, { 0x0c, 0x01 }, { 0x0d, 0xbf },
 63	{ 0x0e, 0x01 }, { 0x0f, 0xf6 }, { 0x10, 0x02 }, { 0x11, 0x24 },
 64	{ 0x12, 0x02 }, { 0x13, 0x4e }, { 0x14, 0x02 }, { 0x15, 0x70 },
 65	{ 0x16, 0x02 }, { 0x17, 0xaf }, { 0x18, 0x02 }, { 0x19, 0xe2 },
 66	{ 0x1a, 0x03 }, { 0x1b, 0x1f }, { 0x1c, 0x03 }, { 0x1d, 0x52 },
 67	{ 0x1e, 0x03 }, { 0x1f, 0x82 }, { 0x20, 0x03 }, { 0x21, 0xb6 },
 68	{ 0x22, 0x03 }, { 0x23, 0xf0 }, { 0x24, 0x04 }, { 0x25, 0x1f },
 69	{ 0x26, 0x04 }, { 0x27, 0x37 }, { 0x28, 0x04 }, { 0x29, 0x59 },
 70	{ 0x2a, 0x04 }, { 0x2b, 0x68 }, { 0x30, 0x04 }, { 0x31, 0x85 },
 71	{ 0x32, 0x04 }, { 0x33, 0xa2 }, { 0x34, 0x04 }, { 0x35, 0xbc },
 72	{ 0x36, 0x04 }, { 0x37, 0xd8 }, { 0x38, 0x04 }, { 0x39, 0xf4 },
 73	{ 0x3a, 0x05 }, { 0x3b, 0x0e }, { 0x40, 0x05 }, { 0x41, 0x13 },
 74	{ 0x42, 0x05 }, { 0x43, 0x1f }, { 0x44, 0x05 }, { 0x45, 0x1f },
 75	{ 0x46, 0x00 }, { 0x47, 0x00 }, { 0x48, 0x01 }, { 0x49, 0x43 },
 76	{ 0x4a, 0x01 }, { 0x4b, 0x4c }, { 0x4c, 0x01 }, { 0x4d, 0x6f },
 77	{ 0x4e, 0x01 }, { 0x4f, 0x92 }, { 0x50, 0x01 }, { 0x51, 0xb5 },
 78	{ 0x52, 0x01 }, { 0x53, 0xd4 }, { 0x58, 0x02 }, { 0x59, 0x06 },
 79	{ 0x5a, 0x02 }, { 0x5b, 0x33 }, { 0x5c, 0x02 }, { 0x5d, 0x59 },
 80	{ 0x5e, 0x02 }, { 0x5f, 0x7d }, { 0x60, 0x02 }, { 0x61, 0xbd },
 81	{ 0x62, 0x02 }, { 0x63, 0xf7 }, { 0x64, 0x03 }, { 0x65, 0x31 },
 82	{ 0x66, 0x03 }, { 0x67, 0x63 }, { 0x68, 0x03 }, { 0x69, 0x9d },
 83	{ 0x6a, 0x03 }, { 0x6b, 0xd2 }, { 0x6c, 0x04 }, { 0x6d, 0x05 },
 84	{ 0x6e, 0x04 }, { 0x6f, 0x38 }, { 0x70, 0x04 }, { 0x71, 0x51 },
 85	{ 0x72, 0x04 }, { 0x73, 0x70 }, { 0x74, 0x04 }, { 0x75, 0x85 },
 86	{ 0x76, 0x04 }, { 0x77, 0xa1 }, { 0x78, 0x04 }, { 0x79, 0xc0 },
 87	{ 0x7a, 0x04 }, { 0x7b, 0xd8 }, { 0x7c, 0x04 }, { 0x7d, 0xf2 },
 88	{ 0x7e, 0x05 }, { 0x7f, 0x10 }, { 0x80, 0x05 }, { 0x81, 0x21 },
 89	{ 0x82, 0x05 }, { 0x83, 0x2e }, { 0x84, 0x05 }, { 0x85, 0x3a },
 90	{ 0x86, 0x05 }, { 0x87, 0x3e }, { 0x88, 0x00 }, { 0x89, 0x00 },
 91	{ 0x8a, 0x01 }, { 0x8b, 0x86 }, { 0x8c, 0x01 }, { 0x8d, 0x8f },
 92	{ 0x8e, 0x01 }, { 0x8f, 0xb3 }, { 0x90, 0x01 }, { 0x91, 0xd7 },
 93	{ 0x92, 0x01 }, { 0x93, 0xfb }, { 0x94, 0x02 }, { 0x95, 0x18 },
 94	{ 0x96, 0x02 }, { 0x97, 0x4f }, { 0x98, 0x02 }, { 0x99, 0x7e },
 95	{ 0x9a, 0x02 }, { 0x9b, 0xa6 }, { 0x9c, 0x02 }, { 0x9d, 0xcf },
 96	{ 0x9e, 0x03 }, { 0x9f, 0x14 }, { 0xa4, 0x03 }, { 0xa5, 0x52 },
 97	{ 0xa6, 0x03 }, { 0xa7, 0x93 }, { 0xac, 0x03 }, { 0xad, 0xcf },
 98	{ 0xae, 0x04 }, { 0xaf, 0x08 }, { 0xb0, 0x04 }, { 0xb1, 0x42 },
 99	{ 0xb2, 0x04 }, { 0xb3, 0x7f }, { 0xb4, 0x04 }, { 0xb5, 0xb4 },
100	{ 0xb6, 0x04 }, { 0xb7, 0xcc }, { 0xb8, 0x04 }, { 0xb9, 0xf2 },
101	{ 0xba, 0x05 }, { 0xbb, 0x0c }, { 0xbc, 0x05 }, { 0xbd, 0x26 },
102	{ 0xbe, 0x05 }, { 0xbf, 0x4b }, { 0xc0, 0x05 }, { 0xc1, 0x64 },
103	{ 0xc2, 0x05 }, { 0xc3, 0x83 }, { 0xc4, 0x05 }, { 0xc5, 0xa1 },
104	{ 0xc6, 0x05 }, { 0xc7, 0xba }, { 0xc8, 0x05 }, { 0xc9, 0xc4 },
105	{ 0xca, 0x05 }, { 0xcb, 0xd5 }, { 0xcc, 0x05 }, { 0xcd, 0xd5 },
106	{ 0xce, 0x00 }, { 0xcf, 0xce }, { 0xd0, 0x00 }, { 0xd1, 0xdb },
107	{ 0xd2, 0x01 }, { 0xd3, 0x32 }, { 0xd4, 0x01 }, { 0xd5, 0x3b },
108	{ 0xd6, 0x01 }, { 0xd7, 0x74 }, { 0xd8, 0x01 }, { 0xd9, 0x7d },
109	{ 0xfe, 0x60 }, { 0x00, 0xcc }, { 0x01, 0x0f }, { 0x02, 0xff },
110	{ 0x03, 0x01 }, { 0x04, 0x00 }, { 0x05, 0x02 }, { 0x06, 0x00 },
111	{ 0x07, 0x00 }, { 0x09, 0xc4 }, { 0x0a, 0x00 }, { 0x0b, 0x04 },
112	{ 0x0c, 0x01 }, { 0x0d, 0x00 }, { 0x0e, 0x04 }, { 0x0f, 0x00 },
113	{ 0x10, 0x71 }, { 0x12, 0xc4 }, { 0x13, 0x00 }, { 0x14, 0x04 },
114	{ 0x15, 0x01 }, { 0x16, 0x00 }, { 0x17, 0x06 }, { 0x18, 0x00 },
115	{ 0x19, 0x71 }, { 0x1b, 0xc4 }, { 0x1c, 0x00 }, { 0x1d, 0x02 },
116	{ 0x1e, 0x00 }, { 0x1f, 0x00 }, { 0x20, 0x08 }, { 0x21, 0x66 },
117	{ 0x22, 0xb4 }, { 0x24, 0xc4 }, { 0x25, 0x00 }, { 0x26, 0x02 },
118	{ 0x27, 0x00 }, { 0x28, 0x00 }, { 0x29, 0x07 }, { 0x2a, 0x66 },
119	{ 0x2b, 0xb4 }, { 0x2f, 0xc4 }, { 0x30, 0x00 }, { 0x31, 0x04 },
120	{ 0x32, 0x01 }, { 0x33, 0x00 }, { 0x34, 0x03 }, { 0x35, 0x00 },
121	{ 0x36, 0x71 }, { 0x38, 0xc4 }, { 0x39, 0x00 }, { 0x3a, 0x04 },
122	{ 0x3b, 0x01 }, { 0x3d, 0x00 }, { 0x3f, 0x05 }, { 0x40, 0x00 },
123	{ 0x41, 0x71 }, { 0x83, 0xce }, { 0x84, 0x02 }, { 0x85, 0x20 },
124	{ 0x86, 0xdc }, { 0x87, 0x00 }, { 0x88, 0x04 }, { 0x89, 0x00 },
125	{ 0x8a, 0xbb }, { 0x8b, 0x80 }, { 0xc7, 0x0e }, { 0xc8, 0x05 },
126	{ 0xc9, 0x1f }, { 0xca, 0x06 }, { 0xcb, 0x00 }, { 0xcc, 0x03 },
127	{ 0xcd, 0x04 }, { 0xce, 0x1f }, { 0xcf, 0x1f }, { 0xd0, 0x1f },
128	{ 0xd1, 0x1f }, { 0xd2, 0x1f }, { 0xd3, 0x1f }, { 0xd4, 0x1f },
129	{ 0xd5, 0x1f }, { 0xd6, 0x1f }, { 0xd7, 0x17 }, { 0xd8, 0x1f },
130	{ 0xd9, 0x16 }, { 0xda, 0x1f }, { 0xdb, 0x0e }, { 0xdc, 0x01 },
131	{ 0xdd, 0x1f }, { 0xde, 0x02 }, { 0xdf, 0x00 }, { 0xe0, 0x03 },
132	{ 0xe1, 0x04 }, { 0xe2, 0x1f }, { 0xe3, 0x1f }, { 0xe4, 0x1f },
133	{ 0xe5, 0x1f }, { 0xe6, 0x1f }, { 0xe7, 0x1f }, { 0xe8, 0x1f },
134	{ 0xe9, 0x1f }, { 0xea, 0x1f }, { 0xeb, 0x17 }, { 0xec, 0x1f },
135	{ 0xed, 0x16 }, { 0xee, 0x1f }, { 0xef, 0x03 }, { 0xfe, 0x70 },
136	{ 0x5a, 0x0b }, { 0x5b, 0x0b }, { 0x5c, 0x55 }, { 0x5d, 0x24 },
137	{ 0xfe, 0x90 }, { 0x12, 0x24 }, { 0x13, 0x49 }, { 0x14, 0x92 },
138	{ 0x15, 0x86 }, { 0x16, 0x61 }, { 0x17, 0x18 }, { 0x18, 0x24 },
139	{ 0x19, 0x49 }, { 0x1a, 0x92 }, { 0x1b, 0x86 }, { 0x1c, 0x61 },
140	{ 0x1d, 0x18 }, { 0x1e, 0x24 }, { 0x1f, 0x49 }, { 0x20, 0x92 },
141	{ 0x21, 0x86 }, { 0x22, 0x61 }, { 0x23, 0x18 }, { 0xfe, 0x40 },
142	{ 0x0e, 0x10 }, { 0xfe, 0xa0 }, { 0x04, 0x80 }, { 0x16, 0x00 },
143	{ 0x26, 0x10 }, { 0x2f, 0x37 }, { 0xfe, 0xd0 }, { 0x06, 0x0f },
144	{ 0x4b, 0x00 }, { 0x56, 0x4a }, { 0xfe, 0x00 }, { 0xc2, 0x09 },
145	{ 0x35, 0x00 }, { 0xfe, 0x70 }, { 0x7d, 0x61 }, { 0x7f, 0x00 },
146	{ 0x7e, 0x4e }, { 0x52, 0x2c }, { 0x49, 0x00 }, { 0x4a, 0x00 },
147	{ 0x4b, 0x00 }, { 0x4c, 0x00 }, { 0x4d, 0xe8 }, { 0x4e, 0x25 },
148	{ 0x4f, 0x6e }, { 0x50, 0xae }, { 0x51, 0x2f }, { 0xad, 0xf4 },
149	{ 0xae, 0x8f }, { 0xaf, 0x00 }, { 0xb0, 0x54 }, { 0xb1, 0x3a },
150	{ 0xb2, 0x00 }, { 0xb3, 0x00 }, { 0xb4, 0x00 }, { 0xb5, 0x00 },
151	{ 0xb6, 0x18 }, { 0xb7, 0x30 }, { 0xb8, 0x4a }, { 0xb9, 0x98 },
152	{ 0xba, 0x30 }, { 0xbb, 0x60 }, { 0xbc, 0x50 }, { 0xbd, 0x00 },
153	{ 0xbe, 0x00 }, { 0xbf, 0x39 }, { 0xfe, 0x00 }, { 0x51, 0x66 },
154};
155
156static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
157{
158	return container_of(panel, struct visionox_rm69299, panel);
159}
160
161static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
162{
163	int ret;
164
165	ret = regulator_bulk_enable(ARRAY_SIZE(visionox_rm69299_supplies),
166				    ctx->supplies);
167	if (ret < 0)
168		return ret;
169
170	/*
171	 * Reset sequence of visionox panel requires the panel to be
172	 * out of reset for 10ms, followed by being held in reset
173	 * for 10ms and then out again
174	 */
175	gpiod_set_value(ctx->reset_gpio, 1);
176	usleep_range(10000, 20000);
177	gpiod_set_value(ctx->reset_gpio, 0);
178	usleep_range(10000, 20000);
179	gpiod_set_value(ctx->reset_gpio, 1);
180	usleep_range(10000, 20000);
181
182	return 0;
183}
184
185static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
186{
187	gpiod_set_value(ctx->reset_gpio, 0);
188
189	return regulator_bulk_disable(ARRAY_SIZE(visionox_rm69299_supplies),
190				      ctx->supplies);
191}
192
193static int visionox_rm69299_unprepare(struct drm_panel *panel)
194{
195	struct visionox_rm69299 *ctx = panel_to_ctx(panel);
196	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
197
198	ctx->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
199
200	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
201
202	/* 120ms delay required here as per DCS spec */
203	mipi_dsi_msleep(&dsi_ctx, 120);
204
205	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
206
207	return visionox_rm69299_power_off(ctx);
208}
209
210static int visionox_rm69299_prepare(struct drm_panel *panel)
211{
212	struct visionox_rm69299 *ctx = panel_to_ctx(panel);
213	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
214	int ret, i;
215
216	ret = visionox_rm69299_power_on(ctx);
217	if (ret < 0)
218		return ret;
219
220	ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
221
222	for (i = 0; i < ctx->desc->init_seq_len; i++)
223		mipi_dsi_dcs_write_buffer_multi(&dsi_ctx, &ctx->desc->init_seq[i * 2], 2);
224
225	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
226
227	/* Per DSI spec wait 120ms after sending exit sleep DCS command */
228	mipi_dsi_msleep(&dsi_ctx, 120);
229
230	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
231
232	/* Per DSI spec wait 120ms after sending set_display_on DCS command */
233	mipi_dsi_msleep(&dsi_ctx, 120);
234
235	return dsi_ctx.accum_err;
236}
237
238static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
239	.name = "1080x2248",
240	.clock = 158695,
241	.hdisplay = 1080,
242	.hsync_start = 1080 + 26,
243	.hsync_end = 1080 + 26 + 2,
244	.htotal = 1080 + 26 + 2 + 36,
245	.vdisplay = 2248,
246	.vsync_start = 2248 + 56,
247	.vsync_end = 2248 + 56 + 4,
248	.vtotal = 2248 + 56 + 4 + 4,
249	.flags = 0,
250};
251
252static const struct drm_display_mode visionox_rm69299_1080x2160_60hz = {
253	.clock = (2160 + 8 + 4 + 4) * (1080 + 26 + 2 + 36) * 60 / 1000,
254	.hdisplay = 1080,
255	.hsync_start = 1080 + 26,
256	.hsync_end = 1080 + 26 + 2,
257	.htotal = 1080 + 26 + 2 + 36,
258	.vdisplay = 2160,
259	.vsync_start = 2160 + 8,
260	.vsync_end = 2160 + 8 + 4,
261	.vtotal = 2160 + 8 + 4 + 4,
262	.flags = 0,
263};
264
265static int visionox_rm69299_get_modes(struct drm_panel *panel,
266				      struct drm_connector *connector)
267{
268	struct visionox_rm69299 *ctx = panel_to_ctx(panel);
269	struct drm_display_mode *mode;
270
271	mode = drm_mode_duplicate(connector->dev, ctx->desc->mode);
272	if (!mode) {
273		dev_err(ctx->panel.dev, "failed to create a new display mode\n");
274		return 0;
275	}
276
277	connector->display_info.width_mm = 74;
278	connector->display_info.height_mm = 131;
279	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
280	drm_mode_probed_add(connector, mode);
281
282	return 1;
283}
284
285static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
286	.unprepare = visionox_rm69299_unprepare,
287	.prepare = visionox_rm69299_prepare,
288	.get_modes = visionox_rm69299_get_modes,
289};
290
291static int visionox_rm69299_bl_get_brightness(struct backlight_device *bl)
292{
293	struct mipi_dsi_device *dsi = bl_get_data(bl);
294	u16 brightness;
295	int ret;
296
297	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
298
299	ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness);
300	if (ret < 0)
301		return ret;
302
303	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
304
305	return brightness;
306}
307
308static int visionox_rm69299_bl_update_status(struct backlight_device *bl)
309{
310	struct mipi_dsi_device *dsi = bl_get_data(bl);
311	u16 brightness = backlight_get_brightness(bl);
312	int ret;
313
314	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
315
316	ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness);
317	if (ret < 0)
318		return ret;
319
320	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
321
322	return 0;
323}
324
325static const struct backlight_ops visionox_rm69299_bl_ops = {
326	.update_status = visionox_rm69299_bl_update_status,
327	.get_brightness = visionox_rm69299_bl_get_brightness,
328};
329
330static struct backlight_device *
331visionox_rm69299_create_backlight(struct visionox_rm69299 *ctx)
332{
333	struct device *dev = &ctx->dsi->dev;
334	const struct backlight_properties props = {
335		.type = BACKLIGHT_RAW,
336		.brightness = ctx->desc->initial_brightness,
337		.max_brightness = ctx->desc->max_brightness,
338	};
339
340	if (!ctx->desc->max_brightness)
341		return 0;
342
343	return devm_backlight_device_register(dev, dev_name(dev), dev, ctx->dsi,
344					      &visionox_rm69299_bl_ops,
345					      &props);
346}
347
348static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
349{
350	struct device *dev = &dsi->dev;
351	struct visionox_rm69299 *ctx;
352	int ret;
353
354	ctx = devm_drm_panel_alloc(dev, struct visionox_rm69299, panel,
355				   &visionox_rm69299_drm_funcs,
356				   DRM_MODE_CONNECTOR_DSI);
357	if (IS_ERR(ctx))
358		return PTR_ERR(ctx);
359
360	ctx->desc = device_get_match_data(dev);
361	if (!ctx->desc)
362		return -EINVAL;
363
364	mipi_dsi_set_drvdata(dsi, ctx);
365
366	ctx->dsi = dsi;
367
368	ret = devm_regulator_bulk_get_const(dev, ARRAY_SIZE(visionox_rm69299_supplies),
369					    visionox_rm69299_supplies, &ctx->supplies);
370	if (ret < 0)
371		return ret;
372
373	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
374	if (IS_ERR(ctx->reset_gpio)) {
375		dev_err(dev, "cannot get reset gpio %ld\n", PTR_ERR(ctx->reset_gpio));
376		return PTR_ERR(ctx->reset_gpio);
377	}
378
379	ctx->panel.backlight = visionox_rm69299_create_backlight(ctx);
380	if (IS_ERR(ctx->panel.backlight))
381		return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),
382				     "Failed to create backlight\n");
383
384	drm_panel_add(&ctx->panel);
385
386	dsi->lanes = 4;
387	dsi->format = MIPI_DSI_FMT_RGB888;
388	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
389			  MIPI_DSI_CLOCK_NON_CONTINUOUS;
390	ret = mipi_dsi_attach(dsi);
391	if (ret < 0) {
392		dev_err(dev, "dsi attach failed ret = %d\n", ret);
393		goto err_dsi_attach;
394	}
395
396	return 0;
397
398err_dsi_attach:
399	drm_panel_remove(&ctx->panel);
400	return ret;
401}
402
403static void visionox_rm69299_remove(struct mipi_dsi_device *dsi)
404{
405	struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
406
407	mipi_dsi_detach(ctx->dsi);
408	drm_panel_remove(&ctx->panel);
409}
410
411const struct visionox_rm69299_panel_desc visionox_rm69299_1080p_display_desc = {
412	.mode = &visionox_rm69299_1080x2248_60hz,
413	.init_seq = (const u8 *)visionox_rm69299_1080x2248_60hz_init_seq,
414	.init_seq_len = ARRAY_SIZE(visionox_rm69299_1080x2248_60hz_init_seq),
415};
416
417const struct visionox_rm69299_panel_desc visionox_rm69299_shift_desc = {
418	.mode = &visionox_rm69299_1080x2160_60hz,
419	.init_seq = (const u8 *)visionox_rm69299_1080x2160_60hz_init_seq,
420	.init_seq_len = ARRAY_SIZE(visionox_rm69299_1080x2160_60hz_init_seq),
421	.max_brightness = 255,
422	.initial_brightness = 50,
423};
424
425static const struct of_device_id visionox_rm69299_of_match[] = {
426	{ .compatible = "visionox,rm69299-1080p-display",
427	  .data = &visionox_rm69299_1080p_display_desc },
428	{ .compatible = "visionox,rm69299-shift",
429	  .data = &visionox_rm69299_shift_desc },
430	{ /* sentinel */ }
431};
432MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
433
434static struct mipi_dsi_driver visionox_rm69299_driver = {
435	.driver = {
436		.name = "panel-visionox-rm69299",
437		.of_match_table = visionox_rm69299_of_match,
438	},
439	.probe = visionox_rm69299_probe,
440	.remove = visionox_rm69299_remove,
441};
442module_mipi_dsi_driver(visionox_rm69299_driver);
443
444MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
445MODULE_LICENSE("GPL v2");