1 // SPDX-License-Identifier: GPL-2.0
5  * - Starry 10.51" WUXGA MIPI-DSI panel
7  * Based on drivers/gpu/drm/panel/panel-himax-hx8394.c
94 	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };  in starry_himax83102_j02_init()
191 	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };  in boe_nv110wum_init()
296 	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };  in ivo_t109nw41_init()
474 	struct mipi_dsi_device *dsi = ctx->dsi;  in hx83102_disable()
477 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in hx83102_disable()
491 	gpiod_set_value(ctx->enable_gpio, 0);  in hx83102_unprepare()
493 	regulator_disable(ctx->avee);  in hx83102_unprepare()
494 	regulator_disable(ctx->avdd);  in hx83102_unprepare()
496 	regulator_disable(ctx->pp1800);  in hx83102_unprepare()
504 	struct mipi_dsi_device *dsi = ctx->dsi;  in hx83102_prepare()
507 	gpiod_set_value(ctx->enable_gpio, 0);  in hx83102_prepare()
510 	dsi_ctx.accum_err = regulator_enable(ctx->pp1800);  in hx83102_prepare()
516 	dsi_ctx.accum_err = regulator_enable(ctx->avdd);  in hx83102_prepare()
519 	dsi_ctx.accum_err = regulator_enable(ctx->avee);  in hx83102_prepare()
531 	gpiod_set_value(ctx->enable_gpio, 1);  in hx83102_prepare()
533 	gpiod_set_value(ctx->enable_gpio, 0);  in hx83102_prepare()
535 	gpiod_set_value(ctx->enable_gpio, 1);  in hx83102_prepare()
538 	dsi_ctx.accum_err = ctx->desc->init(ctx);  in hx83102_prepare()
549 	gpiod_set_value(ctx->enable_gpio, 0);  in hx83102_prepare()
550 	regulator_disable(ctx->avee);  in hx83102_prepare()
552 	regulator_disable(ctx->avdd);  in hx83102_prepare()
555 	regulator_disable(ctx->pp1800);  in hx83102_prepare()
564 	const struct drm_display_mode *m = ctx->desc->modes;  in hx83102_get_modes()
567 	mode = drm_mode_duplicate(connector->dev, m);  in hx83102_get_modes()
569 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in hx83102_get_modes()
573 	connector->display_info.width_mm = ctx->desc->size.width_mm;  in hx83102_get_modes()
574 	connector->display_info.height_mm = ctx->desc->size.height_mm;  in hx83102_get_modes()
575 	connector->display_info.bpc = 8;  in hx83102_get_modes()
584 	return ctx->orientation;  in hx83102_get_orientation()
598 	struct device *dev = &ctx->dsi->dev;  in hx83102_panel_add()
601 	ctx->avdd = devm_regulator_get(dev, "avdd");  in hx83102_panel_add()
602 	if (IS_ERR(ctx->avdd))  in hx83102_panel_add()
603 		return PTR_ERR(ctx->avdd);  in hx83102_panel_add()
605 	ctx->avee = devm_regulator_get(dev, "avee");  in hx83102_panel_add()
606 	if (IS_ERR(ctx->avee))  in hx83102_panel_add()
607 		return PTR_ERR(ctx->avee);  in hx83102_panel_add()
609 	ctx->pp1800 = devm_regulator_get(dev, "pp1800");  in hx83102_panel_add()
610 	if (IS_ERR(ctx->pp1800))  in hx83102_panel_add()
611 		return PTR_ERR(ctx->pp1800);  in hx83102_panel_add()
613 	ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);  in hx83102_panel_add()
614 	if (IS_ERR(ctx->enable_gpio))  in hx83102_panel_add()
615 		return dev_err_probe(dev, PTR_ERR(ctx->enable_gpio), "Cannot get enable GPIO\n");  in hx83102_panel_add()
617 	ctx->base.prepare_prev_first = true;  in hx83102_panel_add()
619 	drm_panel_init(&ctx->base, dev, &hx83102_drm_funcs,  in hx83102_panel_add()
621 	err = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);  in hx83102_panel_add()
625 	err = drm_panel_of_backlight(&ctx->base);  in hx83102_panel_add()
629 	ctx->base.funcs = &hx83102_drm_funcs;  in hx83102_panel_add()
630 	ctx->base.dev = &ctx->dsi->dev;  in hx83102_panel_add()
632 	drm_panel_add(&ctx->base);  in hx83102_panel_add()
643 	ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);  in hx83102_probe()
645 		return -ENOMEM;  in hx83102_probe()
647 	desc = of_device_get_match_data(&dsi->dev);  in hx83102_probe()
648 	dsi->lanes = 4;  in hx83102_probe()
649 	dsi->format = MIPI_DSI_FMT_RGB888;  in hx83102_probe()
650 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |  in hx83102_probe()
652 	ctx->desc = desc;  in hx83102_probe()
653 	ctx->dsi = dsi;  in hx83102_probe()
662 		drm_panel_remove(&ctx->base);  in hx83102_probe()
674 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);  in hx83102_remove()
676 	if (ctx->base.dev)  in hx83102_remove()
677 		drm_panel_remove(&ctx->base);  in hx83102_remove()
681 	{ .compatible = "boe,nv110wum-l60",
687 	{ .compatible = "starry,himax83102-j02",
698 		.name = "panel-himax-hx83102",
704 MODULE_AUTHOR("Cong Yang <yangcong5@huaqin.corp-partner.google.com>");