1 // SPDX-License-Identifier: GPL-2.0-or-later
69 	if (!innolux->enabled)  in innolux_panel_disable()
72 	innolux->enabled = false;  in innolux_panel_disable()
82 	if (!innolux->prepared)  in innolux_panel_unprepare()
85 	err = mipi_dsi_dcs_set_display_off(innolux->link);  in innolux_panel_unprepare()
87 		dev_err(panel->dev, "failed to set display off: %d\n", err);  in innolux_panel_unprepare()
89 	err = mipi_dsi_dcs_enter_sleep_mode(innolux->link);  in innolux_panel_unprepare()
91 		dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);  in innolux_panel_unprepare()
95 	if (innolux->desc->sleep_mode_delay)  in innolux_panel_unprepare()
96 		msleep(innolux->desc->sleep_mode_delay);  in innolux_panel_unprepare()
98 	gpiod_set_value_cansleep(innolux->enable_gpio, 0);  in innolux_panel_unprepare()
100 	if (innolux->desc->power_down_delay)  in innolux_panel_unprepare()
101 		msleep(innolux->desc->power_down_delay);  in innolux_panel_unprepare()
103 	err = regulator_bulk_disable(innolux->desc->num_supplies,  in innolux_panel_unprepare()
104 				     innolux->supplies);  in innolux_panel_unprepare()
108 	innolux->prepared = false;  in innolux_panel_unprepare()
118 	if (innolux->prepared)  in innolux_panel_prepare()
121 	gpiod_set_value_cansleep(innolux->enable_gpio, 0);  in innolux_panel_prepare()
123 	err = regulator_bulk_enable(innolux->desc->num_supplies,  in innolux_panel_prepare()
124 				    innolux->supplies);  in innolux_panel_prepare()
131 	gpiod_set_value_cansleep(innolux->enable_gpio, 1);  in innolux_panel_prepare()
136 	if (innolux->desc->init_cmds) {  in innolux_panel_prepare()
138 					innolux->desc->init_cmds;  in innolux_panel_prepare()
144 			err = mipi_dsi_generic_write(innolux->link, cmd->data,  in innolux_panel_prepare()
145 						     cmd->len);  in innolux_panel_prepare()
147 				dev_err(panel->dev, "failed to write command %u\n", i);  in innolux_panel_prepare()
156 			err = mipi_dsi_dcs_nop(innolux->link);  in innolux_panel_prepare()
158 				dev_err(panel->dev, "failed to send DCS nop: %d\n", err);  in innolux_panel_prepare()
164 	err = mipi_dsi_dcs_exit_sleep_mode(innolux->link);  in innolux_panel_prepare()
166 		dev_err(panel->dev, "failed to exit sleep mode: %d\n", err);  in innolux_panel_prepare()
170 	/* T6: 120ms - 1000ms*/  in innolux_panel_prepare()
173 	err = mipi_dsi_dcs_set_display_on(innolux->link);  in innolux_panel_prepare()
175 		dev_err(panel->dev, "failed to set display on: %d\n", err);  in innolux_panel_prepare()
182 	innolux->prepared = true;  in innolux_panel_prepare()
187 	gpiod_set_value_cansleep(innolux->enable_gpio, 0);  in innolux_panel_prepare()
188 	regulator_bulk_disable(innolux->desc->num_supplies, innolux->supplies);  in innolux_panel_prepare()
197 	if (innolux->enabled)  in innolux_panel_enable()
200 	innolux->enabled = true;  in innolux_panel_enable()
234 	.power_down_delay = 80, /* T8: 80ms - 1000ms */
239 	"avee",
256  * https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/892065/
389 	const struct drm_display_mode *m = innolux->desc->mode;  in innolux_panel_get_modes()
392 	mode = drm_mode_duplicate(connector->dev, m);  in innolux_panel_get_modes()
394 		dev_err(panel->dev, "failed to add mode %ux%u@%u\n",  in innolux_panel_get_modes()
395 			m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));  in innolux_panel_get_modes()
396 		return -ENOMEM;  in innolux_panel_get_modes()
403 	connector->display_info.width_mm = innolux->desc->size.width;  in innolux_panel_get_modes()
404 	connector->display_info.height_mm = innolux->desc->size.height;  in innolux_panel_get_modes()
405 	connector->display_info.bpc = innolux->desc->bpc;  in innolux_panel_get_modes()
433 	struct device *dev = &dsi->dev;  in innolux_panel_add()
438 		return -ENOMEM;  in innolux_panel_add()
440 	innolux->desc = desc;  in innolux_panel_add()
442 	innolux->supplies = devm_kcalloc(dev, desc->num_supplies,  in innolux_panel_add()
443 					 sizeof(*innolux->supplies),  in innolux_panel_add()
445 	if (!innolux->supplies)  in innolux_panel_add()
446 		return -ENOMEM;  in innolux_panel_add()
448 	for (i = 0; i < desc->num_supplies; i++)  in innolux_panel_add()
449 		innolux->supplies[i].supply = desc->supply_names[i];  in innolux_panel_add()
451 	err = devm_regulator_bulk_get(dev, desc->num_supplies,  in innolux_panel_add()
452 				      innolux->supplies);  in innolux_panel_add()
456 	innolux->enable_gpio = devm_gpiod_get_optional(dev, "enable",  in innolux_panel_add()
458 	if (IS_ERR(innolux->enable_gpio)) {  in innolux_panel_add()
459 		err = PTR_ERR(innolux->enable_gpio);  in innolux_panel_add()
461 		innolux->enable_gpio = NULL;  in innolux_panel_add()
464 	drm_panel_init(&innolux->base, dev, &innolux_panel_funcs,  in innolux_panel_add()
467 	err = drm_panel_of_backlight(&innolux->base);  in innolux_panel_add()
471 	drm_panel_add(&innolux->base);  in innolux_panel_add()
474 	innolux->link = dsi;  in innolux_panel_add()
481 	drm_panel_remove(&innolux->base);  in innolux_panel_del()
489 	desc = of_device_get_match_data(&dsi->dev);  in innolux_panel_probe()
490 	dsi->mode_flags = desc->flags;  in innolux_panel_probe()
491 	dsi->format = desc->format;  in innolux_panel_probe()
492 	dsi->lanes = desc->lanes;  in innolux_panel_probe()
506 	err = drm_panel_unprepare(&innolux->base);  in innolux_panel_remove()
508 		dev_err(&dsi->dev, "failed to unprepare panel: %d\n", err);  in innolux_panel_remove()
510 	err = drm_panel_disable(&innolux->base);  in innolux_panel_remove()
512 		dev_err(&dsi->dev, "failed to disable panel: %d\n", err);  in innolux_panel_remove()
516 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);  in innolux_panel_remove()
527 	drm_panel_unprepare(&innolux->base);  in innolux_panel_shutdown()
528 	drm_panel_disable(&innolux->base);  in innolux_panel_shutdown()
533 		.name = "panel-innolux-p079zca",
542 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
543 MODULE_AUTHOR("Lin Huang <hl@rock-chips.com>");