// SPDX-License-Identifier: GPL-2.0-only /* * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree. * Copyright (c) 2025 Luca Weiss <luca@lucaweiss.eu> #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 <video/mipi_display.h>#include <drm/drm_mipi_dsi.h>#include <drm/drm_modes.h>#include <drm/drm_panel.h>#include <drm/drm_probe_helper.h>/* Manufacturer specific DSI commands */ #define HX83112B_SETPOWER1 0xb1#define HX83112B_SETDISP 0xb2#define HX83112B_SETDRV 0xb4#define HX83112B_SETEXTC 0xb9#define HX83112B_SETBANK 0xbd#define HX83112B_SETDGCLUT 0xc1#define HX83112B_SETDISMO 0xc2#define HX83112B_UNKNOWN1 0xc6#define HX83112B_SETPANEL 0xcc#define HX83112B_UNKNOWN2 0xd1#define HX83112B_SETPOWER2 0xd2#define HX83112B_SETGIP0 0xd3#define HX83112B_SETGIP1 0xd5#define HX83112B_SETGIP2 0xd6#define HX83112B_SETGIP3 0xd8#define HX83112B_SETIDLE 0xdd#define HX83112B_UNKNOWN3 0xe7#define HX83112B_UNKNOWN4 0xe9struct hx83112b_panel {struct drm_panel panel;struct mipi_dsi_device *dsi;struct regulator_bulk_data *supplies;struct gpio_desc *reset_gpio;static const struct regulator_bulk_data hx83112b_supplies[] = {"iovcc" },"vsn" },"vsp" },static inline struct hx83112b_panel *to_hx83112b_panel(struct drm_panel *panel)return container_of(panel, struct hx83112b_panel, panel);static void hx83112b_reset(struct hx83112b_panel *ctx)static int hx83112b_on(struct hx83112b_panel *ctx)struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };return dsi_ctx.accum_err;static int hx83112b_off(struct hx83112b_panel *ctx)struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };return dsi_ctx.accum_err;static int hx83112b_prepare(struct drm_panel *panel)struct hx83112b_panel *ctx = to_hx83112b_panel(panel);struct device *dev = &ctx->dsi->dev;int ret;if (ret < 0) {"Failed to enable regulators: %d\n" , ret);return ret;if (ret < 0) {"Failed to initialize panel: %d\n" , ret);return ret;return 0;static int hx83112b_unprepare(struct drm_panel *panel)struct hx83112b_panel *ctx = to_hx83112b_panel(panel);struct device *dev = &ctx->dsi->dev;int ret;if (ret < 0)"Failed to un-initialize panel: %d\n" , ret);return 0;static const struct drm_display_mode hx83112b_mode = {static int hx83112b_get_modes(struct drm_panel *panel,struct drm_connector *connector)return drm_connector_helper_get_modes_fixed(connector, &hx83112b_mode);static const struct drm_panel_funcs hx83112b_panel_funcs = {static int hx83112b_bl_update_status(struct backlight_device *bl)struct mipi_dsi_device *dsi = bl_get_data(bl);int ret;if (ret < 0)return ret;return 0;static const struct backlight_ops hx83112b_bl_ops = {static struct backlight_device *struct mipi_dsi_device *dsi)struct device *dev = &dsi->dev;const struct backlight_properties props = {return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,static int hx83112b_probe(struct mipi_dsi_device *dsi)struct device *dev = &dsi->dev;struct hx83112b_panel *ctx;int ret;struct hx83112b_panel, panel,if (IS_ERR(ctx))return PTR_ERR(ctx);if (ret < 0)return ret;"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" );true ;if (IS_ERR(ctx->panel.backlight))return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),"Failed to create backlight\n" );if (ret < 0) {return dev_err_probe(dev, ret, "Failed to attach to DSI host\n" );return 0;static void hx83112b_remove(struct mipi_dsi_device *dsi)struct hx83112b_panel *ctx = mipi_dsi_get_drvdata(dsi);int ret;if (ret < 0)"Failed to detach from DSI host: %d\n" , ret);static const struct of_device_id hx83112b_of_match[] = {"djn,98-03057-6598b-i" },/* sentinel */ } static struct mipi_dsi_driver hx83112b_driver = {"panel-himax-hx83112b" ,"DRM driver for hx83112b-equipped DSI panels" );"GPL" );
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