drm: panel: Add driver for Visionox G1639FP106

Signed-off-by: Jens Reidel <adrian@mainlining.org>

Author: Gelbpunkt

drivers/gpu/drm/panel/Kconfig

@@ -1126,6 +1126,15 @@ config DRM_PANEL_VISIONOX_G2647FB105
 	  Say Y here if you want to enable support for the Visionox
 	  G2647FB105 (2340x1080@60Hz) AMOLED DSI cmd mode panel.
 
+config DRM_PANEL_VISIONOX_G1639FP106
+	tristate "Visionox G1639FP106"
+	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
+	  G1639FP106 (2340x1080@60Hz) AMOLED DSI cmd mode panel.
+
 config DRM_PANEL_VISIONOX_R66451
 	tristate "Visionox R66451"
 	depends on OF

drivers/gpu/drm/panel/Makefile

@@ -113,6 +113,7 @@ 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-$(CONFIG_DRM_PANEL_VISIONOX_G1639FP106) += panel-visionox-g1639fp106.o
 obj-$(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

drivers/gpu/drm/panel/panel-visionox-g1639fp106.c

@@ -0,0 +1,289 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2025 Jens Reidel <adrian@mainlining.org>
+// Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree:
+//   Copyright (c) 2013, The Linux Foundation. All rights reserved.
+
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_probe_helper.h>
+
+struct g1639fp106 {
+	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 g1639fp106_supplies[] = {
+	{ .supply = "vdd3p3" },
+	{ .supply = "vddio" },
+	{ .supply = "vsn" },
+	{ .supply = "vsp" },
+};
+
+static inline struct g1639fp106 *to_g1639fp106(struct drm_panel *panel)
+{
+	return container_of(panel, struct g1639fp106, panel);
+}
+
+static void g1639fp106_reset(struct g1639fp106 *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 g1639fp106_on(struct g1639fp106 *ctx)
+{
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
+
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb0, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbb,
+				     0x59, 0xff, 0xff, 0xff, 0xef, 0xcf, 0xab,
+				     0x87, 0x63, 0x3f, 0x4a, 0x48, 0x46, 0x44,
+				     0x42, 0x40, 0x3e, 0x3c, 0x3a, 0x64, 0x00,
+				     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+				     0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
+				     0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x42,
+				     0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xd4, 0x00, 0x8d);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfa, 0x0f);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb0, 0x80);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xe6, 0x00);
+	mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
+	mipi_dsi_dcs_set_column_address_multi(&dsi_ctx, 0x0000, 0x0437);
+	mipi_dsi_dcs_set_page_address_multi(&dsi_ctx, 0x0000, 0x0923);
+	mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, 0x0001);
+	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 110);
+	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
+	mipi_dsi_usleep_range(&dsi_ctx, 16000, 17000);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb0, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xcf, 0xc3, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xcf, 0xc4, 0x00);
+
+	return dsi_ctx.accum_err;
+}
+
+static int g1639fp106_off(struct g1639fp106 *ctx)
+{
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
+
+	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 120);
+
+	return dsi_ctx.accum_err;
+}
+
+static int g1639fp106_prepare(struct drm_panel *panel)
+{
+	struct g1639fp106 *ctx = to_g1639fp106(panel);
+	struct device *dev = &ctx->dsi->dev;
+	int ret;
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(g1639fp106_supplies), ctx->supplies);
+	if (ret < 0) {
+		dev_err(dev, "Failed to enable regulators: %d\n", ret);
+		return ret;
+	}
+
+	g1639fp106_reset(ctx);
+
+	ret = g1639fp106_on(ctx);
+	if (ret < 0) {
+		dev_err(dev, "Failed to initialize panel: %d\n", ret);
+		gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+		regulator_bulk_disable(ARRAY_SIZE(g1639fp106_supplies), ctx->supplies);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int g1639fp106_unprepare(struct drm_panel *panel)
+{
+	struct g1639fp106 *ctx = to_g1639fp106(panel);
+	struct device *dev = &ctx->dsi->dev;
+	int ret;
+
+	ret = g1639fp106_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(g1639fp106_supplies), ctx->supplies);
+
+	return 0;
+}
+
+static const struct drm_display_mode g1639fp106_mode = {
+	.clock = (1080 + 64 + 20 + 64) * (2340 + 64 + 20 + 64) * 60 / 1000,
+	.hdisplay = 1080,
+	.hsync_start = 1080 + 64,
+	.hsync_end = 1080 + 64 + 20,
+	.htotal = 1080 + 64 + 20 + 64,
+	.vdisplay = 2340,
+	.vsync_start = 2340 + 64,
+	.vsync_end = 2340 + 64 + 20,
+	.vtotal = 2340 + 64 + 20 + 64,
+	.width_mm = 68,
+	.height_mm = 147,
+	.type = DRM_MODE_TYPE_DRIVER,
+};
+
+static int g1639fp106_get_modes(struct drm_panel *panel,
+			       struct drm_connector *connector)
+{
+	return drm_connector_helper_get_modes_fixed(connector, &g1639fp106_mode);
+}
+
+static const struct drm_panel_funcs g1639fp106_panel_funcs = {
+	.prepare = g1639fp106_prepare,
+	.unprepare = g1639fp106_unprepare,
+	.get_modes = g1639fp106_get_modes,
+};
+
+static int g1639fp106_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 int g1639fp106_bl_get_brightness(struct backlight_device *bl)
+{
+	struct mipi_dsi_device *dsi = bl_get_data(bl);
+	u16 brightness;
+	int ret;
+
+	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+	ret = mipi_dsi_dcs_get_display_brightness_large(dsi, &brightness);
+	if (ret < 0)
+		return ret;
+
+	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+	return brightness;
+}
+
+static const struct backlight_ops g1639fp106_bl_ops = {
+	.update_status = g1639fp106_bl_update_status,
+	.get_brightness = g1639fp106_bl_get_brightness,
+};
+
+static struct backlight_device *
+g1639fp106_create_backlight(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	const struct backlight_properties props = {
+		.type = BACKLIGHT_RAW,
+		.brightness = 2047,
+		.max_brightness = 4095,
+	};
+
+	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
+					      &g1639fp106_bl_ops, &props);
+}
+
+static int g1639fp106_probe(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	struct g1639fp106 *ctx;
+	int ret;
+
+	ctx = devm_drm_panel_alloc(dev, struct g1639fp106, panel,
+				   &g1639fp106_panel_funcs,
+				   DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(ctx))
+		return PTR_ERR(ctx);
+
+	ret = devm_regulator_bulk_get_const(dev,
+					    ARRAY_SIZE(g1639fp106_supplies),
+					    g1639fp106_supplies,
+					    &ctx->supplies);
+	if (ret < 0)
+		return ret;
+
+	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;
+
+	ctx->panel.backlight = g1639fp106_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 = mipi_dsi_attach(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 g1639fp106_remove(struct mipi_dsi_device *dsi)
+{
+	struct g1639fp106 *ctx = mipi_dsi_get_drvdata(dsi);
+	int ret;
+
+	ret = mipi_dsi_detach(dsi);
+	if (ret < 0)
+		dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
+
+	drm_panel_remove(&ctx->panel);
+}
+
+static const struct of_device_id g1639fp106_of_match[] = {
+	{ .compatible = "visionox,g1639fp106" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, g1639fp106_of_match);
+
+static struct mipi_dsi_driver g1639fp106_driver = {
+	.probe = g1639fp106_probe,
+	.remove = g1639fp106_remove,
+	.driver = {
+		.name = "panel-visionox-g1639fp106",
+		.of_match_table = g1639fp106_of_match,
+	},
+};
+module_mipi_dsi_driver(g1639fp106_driver);
+
+MODULE_AUTHOR("Jens Reidel <adrian@mainlining.org>");
+MODULE_DESCRIPTION("DRM driver for Visionox G1639FP106 panel");
+MODULE_LICENSE("GPL");