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	drm/panel: Add Visionox G2647FB105 panel driver
Add the driver for Visionox G2647FB105 6.47" FHD Plus CMD mode AMOLED panel support found in: - Xiaomi Mi Note 10 / CC9 Pro (sm7150-xiaomi-tucana) - Xiaomi Mi Note 10 Lite (sm7150-xiaomi-toco) Signed-off-by: Alexander Baransky <sanyapilot496@gmail.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20250414172637.197792-3-sanyapilot496@gmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20250414172637.197792-3-sanyapilot496@gmail.com
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		|  | @ -1007,6 +1007,15 @@ config DRM_PANEL_TRULY_NT35597_WQXGA | |||
| 	  Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI | ||||
| 	  Video Mode panel | ||||
| 
 | ||||
| config DRM_PANEL_VISIONOX_G2647FB105 | ||||
| 	tristate "Visionox G2647FB105" | ||||
| 	depends on OF | ||||
| 	depends on DRM_MIPI_DSI | ||||
| 	depends on BACKLIGHT_CLASS_DEVICE | ||||
| 	help | ||||
| 	  Say Y here if you want to enable support for the Visionox | ||||
| 	  G2647FB105 (2340x1080@60Hz) AMOLED DSI cmd mode panel. | ||||
| 
 | ||||
| config DRM_PANEL_VISIONOX_R66451 | ||||
| 	tristate "Visionox R66451" | ||||
| 	depends on OF | ||||
|  |  | |||
|  | @ -102,6 +102,7 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o | |||
| obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o | ||||
| obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o | ||||
| obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o | ||||
| obj-$(CONFIG_DRM_PANEL_VISIONOX_G2647FB105) += panel-visionox-g2647fb105.o | ||||
| obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o | ||||
| obj-$(CONFIG_DRM_PANEL_VISIONOX_RM692E5) += panel-visionox-rm692e5.o | ||||
| obj-$(CONFIG_DRM_PANEL_VISIONOX_VTDR6130) += panel-visionox-vtdr6130.o | ||||
|  |  | |||
							
								
								
									
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								drivers/gpu/drm/panel/panel-visionox-g2647fb105.c
									
									
									
									
									
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								drivers/gpu/drm/panel/panel-visionox-g2647fb105.c
									
									
									
									
									
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							|  | @ -0,0 +1,280 @@ | |||
| // SPDX-License-Identifier: GPL-2.0-only
 | ||||
| /*
 | ||||
|  * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree: | ||||
|  *   Copyright (c) 2013, The Linux Foundation. All rights reserved. | ||||
|  *   Copyright (c) 2025, Alexander Baransky <sanyapilot496@gmail.com> | ||||
|  */ | ||||
| 
 | ||||
| #include <linux/backlight.h> | ||||
| #include <linux/delay.h> | ||||
| #include <linux/gpio/consumer.h> | ||||
| #include <linux/module.h> | ||||
| #include <linux/of.h> | ||||
| #include <linux/regulator/consumer.h> | ||||
| 
 | ||||
| #include <drm/drm_mipi_dsi.h> | ||||
| #include <drm/drm_modes.h> | ||||
| #include <drm/drm_panel.h> | ||||
| 
 | ||||
| struct visionox_g2647fb105 { | ||||
| 	struct drm_panel panel; | ||||
| 	struct mipi_dsi_device *dsi; | ||||
| 	struct gpio_desc *reset_gpio; | ||||
| 	struct regulator_bulk_data *supplies; | ||||
| }; | ||||
| 
 | ||||
| static const struct regulator_bulk_data visionox_g2647fb105_supplies[] = { | ||||
| 	{ .supply = "vdd3p3" }, | ||||
| 	{ .supply = "vddio" }, | ||||
| 	{ .supply = "vsn" }, | ||||
| 	{ .supply = "vsp" }, | ||||
| }; | ||||
| 
 | ||||
| static inline | ||||
| struct visionox_g2647fb105 *to_visionox_g2647fb105(struct drm_panel *panel) | ||||
| { | ||||
| 	return container_of(panel, struct visionox_g2647fb105, panel); | ||||
| } | ||||
| 
 | ||||
| static void visionox_g2647fb105_reset(struct visionox_g2647fb105 *ctx) | ||||
| { | ||||
| 	gpiod_set_value_cansleep(ctx->reset_gpio, 1); | ||||
| 	usleep_range(1000, 2000); | ||||
| 	gpiod_set_value_cansleep(ctx->reset_gpio, 0); | ||||
| 	usleep_range(10000, 11000); | ||||
| } | ||||
| 
 | ||||
| static int visionox_g2647fb105_on(struct visionox_g2647fb105 *ctx) | ||||
| { | ||||
| 	struct mipi_dsi_device *dsi = ctx->dsi; | ||||
| 	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi }; | ||||
| 
 | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x70, 0x04); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x40); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4d, 0x32); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x40); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbe, 0x17); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbf, 0xbb); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc0, 0xdd); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc1, 0xff); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0xd0); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x03, 0x24); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x04, 0x03); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x00); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc2, 0x08); | ||||
| 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x00); | ||||
| 
 | ||||
| 	mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK); | ||||
| 	mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, 0x0000); | ||||
| 	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx); | ||||
| 	mipi_dsi_msleep(&dsi_ctx, 100); | ||||
| 
 | ||||
| 	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx); | ||||
| 
 | ||||
| 	return dsi_ctx.accum_err; | ||||
| } | ||||
| 
 | ||||
| static int visionox_g2647fb105_off(struct visionox_g2647fb105 *ctx) | ||||
| { | ||||
| 	struct mipi_dsi_device *dsi = ctx->dsi; | ||||
| 	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi }; | ||||
| 
 | ||||
| 	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx); | ||||
| 	mipi_dsi_msleep(&dsi_ctx, 50); | ||||
| 
 | ||||
| 	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx); | ||||
| 	mipi_dsi_msleep(&dsi_ctx, 20); | ||||
| 
 | ||||
| 	return dsi_ctx.accum_err; | ||||
| } | ||||
| 
 | ||||
| static int visionox_g2647fb105_prepare(struct drm_panel *panel) | ||||
| { | ||||
| 	struct visionox_g2647fb105 *ctx = to_visionox_g2647fb105(panel); | ||||
| 	struct device *dev = &ctx->dsi->dev; | ||||
| 	int ret; | ||||
| 
 | ||||
| 	ret = regulator_bulk_enable(ARRAY_SIZE(visionox_g2647fb105_supplies), ctx->supplies); | ||||
| 	if (ret < 0) { | ||||
| 		dev_err(dev, "Failed to enable regulators: %d\n", ret); | ||||
| 		return ret; | ||||
| 	} | ||||
| 
 | ||||
| 	visionox_g2647fb105_reset(ctx); | ||||
| 
 | ||||
| 	ret = visionox_g2647fb105_on(ctx); | ||||
| 	if (ret < 0) { | ||||
| 		dev_err(dev, "Failed to initialize panel: %d\n", ret); | ||||
| 		return ret; | ||||
| 	} | ||||
| 
 | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int visionox_g2647fb105_unprepare(struct drm_panel *panel) | ||||
| { | ||||
| 	struct visionox_g2647fb105 *ctx = to_visionox_g2647fb105(panel); | ||||
| 	struct device *dev = &ctx->dsi->dev; | ||||
| 	int ret; | ||||
| 
 | ||||
| 	ret = visionox_g2647fb105_off(ctx); | ||||
| 	if (ret < 0) | ||||
| 		dev_err(dev, "Failed to un-initialize panel: %d\n", ret); | ||||
| 
 | ||||
| 	gpiod_set_value_cansleep(ctx->reset_gpio, 1); | ||||
| 	regulator_bulk_disable(ARRAY_SIZE(visionox_g2647fb105_supplies), ctx->supplies); | ||||
| 
 | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static const struct drm_display_mode visionox_g2647fb105_mode = { | ||||
| 	.clock = (1080 + 28 + 4 + 36) * (2340 + 8 + 4 + 4) * 60 / 1000, | ||||
| 	.hdisplay = 1080, | ||||
| 	.hsync_start = 1080 + 28, | ||||
| 	.hsync_end = 1080 + 28 + 4, | ||||
| 	.htotal = 1080 + 28 + 4 + 36, | ||||
| 	.vdisplay = 2340, | ||||
| 	.vsync_start = 2340 + 8, | ||||
| 	.vsync_end = 2340 + 8 + 4, | ||||
| 	.vtotal = 2340 + 8 + 4 + 4, | ||||
| 	.width_mm = 69, | ||||
| 	.height_mm = 149, | ||||
| }; | ||||
| 
 | ||||
| static int visionox_g2647fb105_get_modes(struct drm_panel *panel, | ||||
| 					struct drm_connector *connector) | ||||
| { | ||||
| 	struct drm_display_mode *mode; | ||||
| 
 | ||||
| 	mode = drm_mode_duplicate(connector->dev, &visionox_g2647fb105_mode); | ||||
| 	if (!mode) | ||||
| 		return -ENOMEM; | ||||
| 
 | ||||
| 	drm_mode_set_name(mode); | ||||
| 
 | ||||
| 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; | ||||
| 	connector->display_info.width_mm = mode->width_mm; | ||||
| 	connector->display_info.height_mm = mode->height_mm; | ||||
| 	drm_mode_probed_add(connector, mode); | ||||
| 
 | ||||
| 	return 1; | ||||
| } | ||||
| 
 | ||||
| static const struct drm_panel_funcs visionox_g2647fb105_panel_funcs = { | ||||
| 	.prepare = visionox_g2647fb105_prepare, | ||||
| 	.unprepare = visionox_g2647fb105_unprepare, | ||||
| 	.get_modes = visionox_g2647fb105_get_modes, | ||||
| }; | ||||
| 
 | ||||
| static int visionox_g2647fb105_bl_update_status(struct backlight_device *bl) | ||||
| { | ||||
| 	struct mipi_dsi_device *dsi = bl_get_data(bl); | ||||
| 	u16 brightness = backlight_get_brightness(bl); | ||||
| 	int ret; | ||||
| 
 | ||||
| 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; | ||||
| 
 | ||||
| 	ret = mipi_dsi_dcs_set_display_brightness_large(dsi, brightness); | ||||
| 	if (ret < 0) | ||||
| 		return ret; | ||||
| 
 | ||||
| 	dsi->mode_flags |= MIPI_DSI_MODE_LPM; | ||||
| 
 | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static const struct backlight_ops visionox_g2647fb105_bl_ops = { | ||||
| 	.update_status = visionox_g2647fb105_bl_update_status, | ||||
| }; | ||||
| 
 | ||||
| static struct backlight_device * | ||||
| visionox_g2647fb105_create_backlight(struct mipi_dsi_device *dsi) | ||||
| { | ||||
| 	struct device *dev = &dsi->dev; | ||||
| 	const struct backlight_properties props = { | ||||
| 		.type = BACKLIGHT_RAW, | ||||
| 		.brightness = 1023, | ||||
| 		.max_brightness = 2047, | ||||
| 	}; | ||||
| 
 | ||||
| 	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi, | ||||
| 					      &visionox_g2647fb105_bl_ops, &props); | ||||
| } | ||||
| 
 | ||||
| static int visionox_g2647fb105_probe(struct mipi_dsi_device *dsi) | ||||
| { | ||||
| 	struct device *dev = &dsi->dev; | ||||
| 	struct visionox_g2647fb105 *ctx; | ||||
| 	int ret; | ||||
| 
 | ||||
| 	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); | ||||
| 	if (!ctx) | ||||
| 		return -ENOMEM; | ||||
| 
 | ||||
| 	ret = devm_regulator_bulk_get_const(dev, | ||||
| 					    ARRAY_SIZE(visionox_g2647fb105_supplies), | ||||
| 					    visionox_g2647fb105_supplies, | ||||
| 					    &ctx->supplies); | ||||
| 	if (ret < 0) | ||||
| 		return dev_err_probe(dev, ret, "Failed to get regulators\n"); | ||||
| 
 | ||||
| 	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); | ||||
| 	if (IS_ERR(ctx->reset_gpio)) | ||||
| 		return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), | ||||
| 				     "Failed to get reset-gpios\n"); | ||||
| 
 | ||||
| 	ctx->dsi = dsi; | ||||
| 	mipi_dsi_set_drvdata(dsi, ctx); | ||||
| 
 | ||||
| 	dsi->lanes = 4; | ||||
| 	dsi->format = MIPI_DSI_FMT_RGB888; | ||||
| 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST | | ||||
| 			  MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM; | ||||
| 
 | ||||
| 	ctx->panel.prepare_prev_first = true; | ||||
| 
 | ||||
| 	drm_panel_init(&ctx->panel, dev, &visionox_g2647fb105_panel_funcs, | ||||
| 		       DRM_MODE_CONNECTOR_DSI); | ||||
| 	ctx->panel.prepare_prev_first = true; | ||||
| 
 | ||||
| 	ctx->panel.backlight = visionox_g2647fb105_create_backlight(dsi); | ||||
| 	if (IS_ERR(ctx->panel.backlight)) | ||||
| 		return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight), | ||||
| 				     "Failed to create backlight\n"); | ||||
| 
 | ||||
| 	drm_panel_add(&ctx->panel); | ||||
| 
 | ||||
| 	ret = devm_mipi_dsi_attach(dev, dsi); | ||||
| 	if (ret < 0) { | ||||
| 		drm_panel_remove(&ctx->panel); | ||||
| 		return dev_err_probe(dev, ret, "Failed to attach to DSI host\n"); | ||||
| 	} | ||||
| 
 | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static void visionox_g2647fb105_remove(struct mipi_dsi_device *dsi) | ||||
| { | ||||
| 	struct visionox_g2647fb105 *ctx = mipi_dsi_get_drvdata(dsi); | ||||
| 	drm_panel_remove(&ctx->panel); | ||||
| } | ||||
| 
 | ||||
| static const struct of_device_id visionox_g2647fb105_of_match[] = { | ||||
| 	{ .compatible = "visionox,g2647fb105" }, | ||||
| 	{ /* sentinel */ } | ||||
| }; | ||||
| MODULE_DEVICE_TABLE(of, visionox_g2647fb105_of_match); | ||||
| 
 | ||||
| static struct mipi_dsi_driver visionox_g2647fb105_driver = { | ||||
| 	.probe = visionox_g2647fb105_probe, | ||||
| 	.remove = visionox_g2647fb105_remove, | ||||
| 	.driver = { | ||||
| 		.name = "panel-visionox-g2647fb105", | ||||
| 		.of_match_table = visionox_g2647fb105_of_match, | ||||
| 	}, | ||||
| }; | ||||
| module_mipi_dsi_driver(visionox_g2647fb105_driver); | ||||
| 
 | ||||
| MODULE_AUTHOR("Alexander Baransky <sanyapilot496@gmail.com>"); | ||||
| MODULE_DESCRIPTION("DRM driver for Visionox G2647FB105 AMOLED DSI panel"); | ||||
| MODULE_LICENSE("GPL"); | ||||
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	 Alexander Baransky
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