1 // SPDX-License-Identifier: GPL-2.0
64 	struct mipi_dsi_device *dsi[2];
78 	{ { 0xff, 0x20 }, 2 },
79 	{ { 0xfb, 0x01 }, 2 },
80 	{ { 0x00, 0x01 }, 2 },
81 	{ { 0x01, 0x55 }, 2 },
82 	{ { 0x02, 0x45 }, 2 },
83 	{ { 0x05, 0x40 }, 2 },
84 	{ { 0x06, 0x19 }, 2 },
85 	{ { 0x07, 0x1e }, 2 },
86 	{ { 0x0b, 0x73 }, 2 },
87 	{ { 0x0c, 0x73 }, 2 },
88 	{ { 0x0e, 0xb0 }, 2 },
89 	{ { 0x0f, 0xae }, 2 },
90 	{ { 0x11, 0xb8 }, 2 },
91 	{ { 0x13, 0x00 }, 2 },
92 	{ { 0x58, 0x80 }, 2 },
93 	{ { 0x59, 0x01 }, 2 },
94 	{ { 0x5a, 0x00 }, 2 },
95 	{ { 0x5b, 0x01 }, 2 },
96 	{ { 0x5c, 0x80 }, 2 },
97 	{ { 0x5d, 0x81 }, 2 },
98 	{ { 0x5e, 0x00 }, 2 },
99 	{ { 0x5f, 0x01 }, 2 },
100 	{ { 0x72, 0x11 }, 2 },
101 	{ { 0x68, 0x03 }, 2 },
103 	{ { 0xFF, 0x24 }, 2 },
104 	{ { 0xFB, 0x01 }, 2 },
105 	{ { 0x00, 0x1C }, 2 },
106 	{ { 0x01, 0x0B }, 2 },
107 	{ { 0x02, 0x0C }, 2 },
108 	{ { 0x03, 0x01 }, 2 },
109 	{ { 0x04, 0x0F }, 2 },
110 	{ { 0x05, 0x10 }, 2 },
111 	{ { 0x06, 0x10 }, 2 },
112 	{ { 0x07, 0x10 }, 2 },
113 	{ { 0x08, 0x89 }, 2 },
114 	{ { 0x09, 0x8A }, 2 },
115 	{ { 0x0A, 0x13 }, 2 },
116 	{ { 0x0B, 0x13 }, 2 },
117 	{ { 0x0C, 0x15 }, 2 },
118 	{ { 0x0D, 0x15 }, 2 },
119 	{ { 0x0E, 0x17 }, 2 },
120 	{ { 0x0F, 0x17 }, 2 },
121 	{ { 0x10, 0x1C }, 2 },
122 	{ { 0x11, 0x0B }, 2 },
123 	{ { 0x12, 0x0C }, 2 },
124 	{ { 0x13, 0x01 }, 2 },
125 	{ { 0x14, 0x0F }, 2 },
126 	{ { 0x15, 0x10 }, 2 },
127 	{ { 0x16, 0x10 }, 2 },
128 	{ { 0x17, 0x10 }, 2 },
129 	{ { 0x18, 0x89 }, 2 },
130 	{ { 0x19, 0x8A }, 2 },
131 	{ { 0x1A, 0x13 }, 2 },
132 	{ { 0x1B, 0x13 }, 2 },
133 	{ { 0x1C, 0x15 }, 2 },
134 	{ { 0x1D, 0x15 }, 2 },
135 	{ { 0x1E, 0x17 }, 2 },
136 	{ { 0x1F, 0x17 }, 2 },
138 	{ { 0x20, 0x40 }, 2 },
139 	{ { 0x21, 0x01 }, 2 },
140 	{ { 0x22, 0x00 }, 2 },
141 	{ { 0x23, 0x40 }, 2 },
142 	{ { 0x24, 0x40 }, 2 },
143 	{ { 0x25, 0x6D }, 2 },
144 	{ { 0x26, 0x40 }, 2 },
145 	{ { 0x27, 0x40 }, 2 },
147 	{ { 0xE0, 0x00 }, 2 },
148 	{ { 0xDC, 0x21 }, 2 },
149 	{ { 0xDD, 0x22 }, 2 },
150 	{ { 0xDE, 0x07 }, 2 },
151 	{ { 0xDF, 0x07 }, 2 },
152 	{ { 0xE3, 0x6D }, 2 },
153 	{ { 0xE1, 0x07 }, 2 },
154 	{ { 0xE2, 0x07 }, 2 },
156 	{ { 0x29, 0xD8 }, 2 },
157 	{ { 0x2A, 0x2A }, 2 },
159 	{ { 0x4B, 0x03 }, 2 },
160 	{ { 0x4C, 0x11 }, 2 },
161 	{ { 0x4D, 0x10 }, 2 },
162 	{ { 0x4E, 0x01 }, 2 },
163 	{ { 0x4F, 0x01 }, 2 },
164 	{ { 0x50, 0x10 }, 2 },
165 	{ { 0x51, 0x00 }, 2 },
166 	{ { 0x52, 0x80 }, 2 },
167 	{ { 0x53, 0x00 }, 2 },
168 	{ { 0x56, 0x00 }, 2 },
169 	{ { 0x54, 0x07 }, 2 },
170 	{ { 0x58, 0x07 }, 2 },
171 	{ { 0x55, 0x25 }, 2 },
173 	{ { 0x5B, 0x43 }, 2 },
174 	{ { 0x5C, 0x00 }, 2 },
175 	{ { 0x5F, 0x73 }, 2 },
176 	{ { 0x60, 0x73 }, 2 },
177 	{ { 0x63, 0x22 }, 2 },
178 	{ { 0x64, 0x00 }, 2 },
179 	{ { 0x67, 0x08 }, 2 },
180 	{ { 0x68, 0x04 }, 2 },
182 	{ { 0x72, 0x02 }, 2 },
184 	{ { 0x7A, 0x80 }, 2 },
185 	{ { 0x7B, 0x91 }, 2 },
186 	{ { 0x7C, 0xD8 }, 2 },
187 	{ { 0x7D, 0x60 }, 2 },
188 	{ { 0x7F, 0x15 }, 2 },
189 	{ { 0x75, 0x15 }, 2 },
191 	{ { 0xB3, 0xC0 }, 2 },
192 	{ { 0xB4, 0x00 }, 2 },
193 	{ { 0xB5, 0x00 }, 2 },
195 	{ { 0x78, 0x00 }, 2 },
196 	{ { 0x79, 0x00 }, 2 },
197 	{ { 0x80, 0x00 }, 2 },
198 	{ { 0x83, 0x00 }, 2 },
200 	{ { 0x93, 0x0A }, 2 },
201 	{ { 0x94, 0x0A }, 2 },
203 	{ { 0x8A, 0x00 }, 2 },
204 	{ { 0x9B, 0xFF }, 2 },
206 	{ { 0x9D, 0xB0 }, 2 },
207 	{ { 0x9F, 0x63 }, 2 },
208 	{ { 0x98, 0x10 }, 2 },
210 	{ { 0xEC, 0x00 }, 2 },
212 	{ { 0xFF, 0x10 }, 2 },
214 	{ { 0x3B, 0x03, 0x0A, 0x0A }, 4 },
216 	{ { 0x35, 0x00 }, 2 },
218 	{ { 0xE5, 0x01 }, 2 },
220 	{ { 0xBB, 0x03 }, 2 },
222 	{ { 0xFB, 0x01 }, 2 },
230 	for (i = 0; i < ARRAY_SIZE(ctx->dsi); i++) {  in truly_dcs_write()
231 		ret = mipi_dsi_dcs_write(ctx->dsi[i], command, NULL, 0);  in truly_dcs_write()
232 		if (ret < 0) {  in truly_dcs_write()
233 			dev_err(ctx->dev, "cmd 0x%x failed for dsi = %d\n", command, i);  in truly_dcs_write()
244 	int ret = 0;  in truly_dcs_write_buf()
247 	for (i = 0; i < ARRAY_SIZE(ctx->dsi); i++) {  in truly_dcs_write_buf()
248 		ret = mipi_dsi_dcs_write_buffer(ctx->dsi[i], buf, size);  in truly_dcs_write_buf()
249 		if (ret < 0) {  in truly_dcs_write_buf()
250 			dev_err(ctx->dev, "failed to tx cmd [%d], err: %d\n", i, ret);  in truly_dcs_write_buf()
262 	for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) {  in truly_35597_power_on()
263 		ret = regulator_set_load(ctx->supplies[i].consumer,  in truly_35597_power_on()
269 	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);  in truly_35597_power_on()
270 	if (ret < 0)  in truly_35597_power_on()
278 	gpiod_set_value(ctx->reset_gpio, 0);  in truly_35597_power_on()
280 	gpiod_set_value(ctx->reset_gpio, 1);  in truly_35597_power_on()
282 	gpiod_set_value(ctx->reset_gpio, 0);  in truly_35597_power_on()
285 	return 0;  in truly_35597_power_on()
290 	int ret = 0;  in truly_nt35597_power_off()
293 	gpiod_set_value(ctx->reset_gpio, 1);  in truly_nt35597_power_off()
295 	for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) {  in truly_nt35597_power_off()
296 		ret = regulator_set_load(ctx->supplies[i].consumer,  in truly_nt35597_power_off()
299 			dev_err(ctx->dev, "regulator_set_load failed %d\n", ret);  in truly_nt35597_power_off()
304 	ret = regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);  in truly_nt35597_power_off()
306 		dev_err(ctx->dev, "regulator_bulk_disable failed %d\n", ret);  in truly_nt35597_power_off()
316 	if (!ctx->enabled)  in truly_nt35597_disable()
317 		return 0;  in truly_nt35597_disable()
319 	if (ctx->backlight) {  in truly_nt35597_disable()
320 		ret = backlight_disable(ctx->backlight);  in truly_nt35597_disable()
321 		if (ret < 0)  in truly_nt35597_disable()
322 			dev_err(ctx->dev, "backlight disable failed %d\n", ret);  in truly_nt35597_disable()
325 	ctx->enabled = false;  in truly_nt35597_disable()
326 	return 0;  in truly_nt35597_disable()
332 	int ret = 0;  in truly_nt35597_unprepare()
334 	if (!ctx->prepared)  in truly_nt35597_unprepare()
335 		return 0;  in truly_nt35597_unprepare()
337 	ctx->dsi[0]->mode_flags = 0;  in truly_nt35597_unprepare()
338 	ctx->dsi[1]->mode_flags = 0;  in truly_nt35597_unprepare()
341 	if (ret < 0) {  in truly_nt35597_unprepare()
342 		dev_err(ctx->dev, "set_display_off cmd failed ret = %d\n", ret);  in truly_nt35597_unprepare()
349 	if (ret < 0) {  in truly_nt35597_unprepare()
350 		dev_err(ctx->dev, "enter_sleep cmd failed ret = %d\n", ret);  in truly_nt35597_unprepare()
354 	if (ret < 0)  in truly_nt35597_unprepare()
355 		dev_err(ctx->dev, "power_off failed ret = %d\n", ret);  in truly_nt35597_unprepare()
357 	ctx->prepared = false;  in truly_nt35597_unprepare()
370 	if (ctx->prepared)  in truly_nt35597_prepare()
371 		return 0;  in truly_nt35597_prepare()
374 	if (ret < 0)  in truly_nt35597_prepare()
377 	ctx->dsi[0]->mode_flags |= MIPI_DSI_MODE_LPM;  in truly_nt35597_prepare()
378 	ctx->dsi[1]->mode_flags |= MIPI_DSI_MODE_LPM;  in truly_nt35597_prepare()
380 	config = ctx->config;  in truly_nt35597_prepare()
381 	panel_on_cmds = config->panel_on_cmds;  in truly_nt35597_prepare()
382 	num_cmds = config->num_on_cmds;  in truly_nt35597_prepare()
384 	for (i = 0; i < num_cmds; i++) {  in truly_nt35597_prepare()
388 		if (ret < 0) {  in truly_nt35597_prepare()
389 			dev_err(ctx->dev, "cmd set tx failed i = %d ret = %d\n", i, ret);  in truly_nt35597_prepare()
395 	if (ret < 0) {  in truly_nt35597_prepare()
396 		dev_err(ctx->dev, "exit_sleep_mode cmd failed ret = %d\n", ret);  in truly_nt35597_prepare()
404 	if (ret < 0) {  in truly_nt35597_prepare()
405 		dev_err(ctx->dev, "set_display_on cmd failed ret = %d\n", ret);  in truly_nt35597_prepare()
412 	ctx->prepared = true;  in truly_nt35597_prepare()
414 	return 0;  in truly_nt35597_prepare()
418 		dev_err(ctx->dev, "power_off failed\n");  in truly_nt35597_prepare()
427 	if (ctx->enabled)  in truly_nt35597_enable()
428 		return 0;  in truly_nt35597_enable()
430 	if (ctx->backlight) {  in truly_nt35597_enable()
431 		ret = backlight_enable(ctx->backlight);  in truly_nt35597_enable()
432 		if (ret < 0)  in truly_nt35597_enable()
433 			dev_err(ctx->dev, "backlight enable failed %d\n", ret);  in truly_nt35597_enable()
436 	ctx->enabled = true;  in truly_nt35597_enable()
438 	return 0;  in truly_nt35597_enable()
448 	config = ctx->config;  in truly_nt35597_get_modes()
449 	mode = drm_mode_create(connector->dev);  in truly_nt35597_get_modes()
451 		dev_err(ctx->dev, "failed to create a new display mode\n");  in truly_nt35597_get_modes()
452 		return 0;  in truly_nt35597_get_modes()
455 	connector->display_info.width_mm = config->width_mm;  in truly_nt35597_get_modes()
456 	connector->display_info.height_mm = config->height_mm;  in truly_nt35597_get_modes()
457 	drm_mode_copy(mode, config->dm);  in truly_nt35597_get_modes()
458 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in truly_nt35597_get_modes()
474 	struct device *dev = ctx->dev;  in truly_nt35597_panel_add()
477 	for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++)  in truly_nt35597_panel_add()
478 		ctx->supplies[i].supply = regulator_names[i];  in truly_nt35597_panel_add()
480 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),  in truly_nt35597_panel_add()
481 				      ctx->supplies);  in truly_nt35597_panel_add()
482 	if (ret < 0)  in truly_nt35597_panel_add()
485 	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);  in truly_nt35597_panel_add()
486 	if (IS_ERR(ctx->reset_gpio)) {  in truly_nt35597_panel_add()
487 		dev_err(dev, "cannot get reset gpio %ld\n", PTR_ERR(ctx->reset_gpio));  in truly_nt35597_panel_add()
488 		return PTR_ERR(ctx->reset_gpio);  in truly_nt35597_panel_add()
491 	ctx->mode_gpio = devm_gpiod_get(dev, "mode", GPIOD_OUT_LOW);  in truly_nt35597_panel_add()
492 	if (IS_ERR(ctx->mode_gpio)) {  in truly_nt35597_panel_add()
493 		dev_err(dev, "cannot get mode gpio %ld\n", PTR_ERR(ctx->mode_gpio));  in truly_nt35597_panel_add()
494 		return PTR_ERR(ctx->mode_gpio);  in truly_nt35597_panel_add()
498 	gpiod_set_value(ctx->mode_gpio, 0);  in truly_nt35597_panel_add()
500 	drm_panel_init(&ctx->panel, dev, &truly_nt35597_drm_funcs,  in truly_nt35597_panel_add()
502 	drm_panel_add(&ctx->panel);  in truly_nt35597_panel_add()
504 	return 0;  in truly_nt35597_panel_add()
518 	.flags = 0,
532 	struct device *dev = &dsi->dev;  in truly_nt35597_probe()
538 	int ret = 0;  in truly_nt35597_probe()
543 		.channel = 0,  in truly_nt35597_probe()
550 		return -ENOMEM;  in truly_nt35597_probe()
559 	ctx->config = of_device_get_match_data(dev);  in truly_nt35597_probe()
561 	if (!ctx->config) {  in truly_nt35597_probe()
563 		return -ENODEV;  in truly_nt35597_probe()
566 	dsi1 = of_graph_get_remote_node(dsi->dev.of_node, 1, -1);  in truly_nt35597_probe()
569 		return -ENODEV;  in truly_nt35597_probe()
576 		return -EPROBE_DEFER;  in truly_nt35597_probe()
588 	ctx->dev = dev;  in truly_nt35597_probe()
589 	ctx->dsi[0] = dsi;  in truly_nt35597_probe()
590 	ctx->dsi[1] = dsi1_device;  in truly_nt35597_probe()
598 	for (i = 0; i < ARRAY_SIZE(ctx->dsi); i++) {  in truly_nt35597_probe()
599 		dsi_dev = ctx->dsi[i];  in truly_nt35597_probe()
600 		dsi_dev->lanes = 4;  in truly_nt35597_probe()
601 		dsi_dev->format = MIPI_DSI_FMT_RGB888;  in truly_nt35597_probe()
602 		dsi_dev->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |  in truly_nt35597_probe()
605 		if (ret < 0) {  in truly_nt35597_probe()
611 	return 0;  in truly_nt35597_probe()
614 	drm_panel_remove(&ctx->panel);  in truly_nt35597_probe()
624 	if (ctx->dsi[0])  in truly_nt35597_remove()
625 		mipi_dsi_detach(ctx->dsi[0]);  in truly_nt35597_remove()
626 	if (ctx->dsi[1]) {  in truly_nt35597_remove()
627 		mipi_dsi_detach(ctx->dsi[1]);  in truly_nt35597_remove()
628 		mipi_dsi_device_unregister(ctx->dsi[1]);  in truly_nt35597_remove()
631 	drm_panel_remove(&ctx->panel);  in truly_nt35597_remove()
632 	return 0;  in truly_nt35597_remove()
637 		.compatible = "truly,nt35597-2K-display",
646 		.name = "panel-truly-nt35597",