// SPDX-License-Identifier: GPL-2.0 /* * Driver for panels based on Himax HX83102 controller, such as: * * - Starry 10.51" WUXGA MIPI-DSI panel * * Based on drivers/gpu/drm/panel/panel-himax-hx8394.c #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_connector.h>#include <drm/drm_crtc.h>#include <drm/drm_mipi_dsi.h>#include <drm/drm_panel.h>#include <video/mipi_display.h>/* Manufacturer specific DSI commands */ #define HX83102_SETPOWER 0xb1#define HX83102_SETDISP 0xb2#define HX83102_SETCYC 0xb4#define HX83102_UNKNOWN_B6 0xb6#define HX83102_UNKNOWN_B8 0xb8#define HX83102_SETEXTC 0xb9#define HX83102_SETMIPI 0xba#define HX83102_SETVDC 0xbc#define HX83102_SETBANK 0xbd#define HX83102_UNKNOWN_BE 0xbe#define HX83102_SETPTBA 0xbf#define HX83102_SETSTBA 0xc0#define HX83102_SETTCON 0xc7#define HX83102_SETRAMDMY 0xc8#define HX83102_SETPWM 0xc9#define HX83102_SETCLOCK 0xcb#define HX83102_SETPANEL 0xcc#define HX83102_SETCASCADE 0xd0#define HX83102_SETPCTRL 0xd1#define HX83102_UNKNOWN_D2 0xd2#define HX83102_SETGIP0 0xd3#define HX83102_SETGIP1 0xd5#define HX83102_SETGIP2 0xd6#define HX83102_SETGIP3 0xd8#define HX83102_UNKNOWN_D9 0xd9#define HX83102_SETGMA 0xe0#define HX83102_UNKNOWN_E1 0xe1#define HX83102_SETTP1 0xe7#define HX83102_SETSPCCMD 0xe9struct hx83102 {struct drm_panel base;struct mipi_dsi_device *dsi;const struct hx83102_panel_desc *desc;enum drm_panel_orientation orientation;struct regulator *pp1800;struct regulator *avee;struct regulator *avdd;struct gpio_desc *enable_gpio;struct hx83102_panel_desc {const struct drm_display_mode *modes;/** * @width_mm: width of the panel's active display area * @height_mm: height of the panel's active display area struct {unsigned int width_mm;unsigned int height_mm;int (*init)(struct hx83102 *ctx);static inline struct hx83102 *panel_to_hx83102(struct drm_panel *panel)return container_of(panel, struct hx83102, base);static void hx83102_enable_extended_cmds(struct mipi_dsi_multi_context *dsi_ctx, bool enable)if (enable)else static int starry_himax83102_j02_init(struct hx83102 *ctx)struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };true ););,return dsi_ctx.accum_err;static int boe_nv110wum_init(struct hx83102 *ctx)struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };true );,);, 0xff);80,3b,false );return dsi_ctx.accum_err;static int csot_pna957qt1_1_init(struct hx83102 *ctx)struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };true );,,false );return dsi_ctx.accum_err;static int ivo_t109nw41_init(struct hx83102 *ctx)struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };true );,);,0,ff);false );return dsi_ctx.accum_err;static int kingdisplay_kd110n11_51ie_init(struct hx83102 *ctx)struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };true );false );return dsi_ctx.accum_err;static int starry_2082109qfh040022_50e_init(struct hx83102 *ctx)struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };true );,false );return dsi_ctx.accum_err;static const struct drm_display_mode starry_mode = {static const struct hx83102_panel_desc starry_desc = {static const struct drm_display_mode boe_tv110wum_default_mode = {static const struct hx83102_panel_desc boe_nv110wum_desc = {static const struct drm_display_mode csot_pna957qt1_1_default_mode = {static const struct hx83102_panel_desc csot_pna957qt1_1_desc = {static const struct drm_display_mode ivo_t109nw41_default_mode = {static const struct hx83102_panel_desc ivo_t109nw41_desc = {static const struct drm_display_mode kingdisplay_kd110n11_51ie_default_mode = {static const struct hx83102_panel_desc kingdisplay_kd110n11_51ie_desc = {static const struct drm_display_mode starry_2082109qfh040022_50e_default_mode = {static const struct hx83102_panel_desc starry_2082109qfh040022_50e_desc = {static int hx83102_enable(struct drm_panel *panel)return 0;static int hx83102_disable(struct drm_panel *panel)struct hx83102 *ctx = panel_to_hx83102(panel);struct mipi_dsi_device *dsi = ctx->dsi;struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };return dsi_ctx.accum_err;static int hx83102_unprepare(struct drm_panel *panel)struct hx83102 *ctx = panel_to_hx83102(panel);return 0;static int hx83102_prepare(struct drm_panel *panel)struct hx83102 *ctx = panel_to_hx83102(panel);struct mipi_dsi_device *dsi = ctx->dsi;struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };if (dsi_ctx.accum_err)return dsi_ctx.accum_err;if (dsi_ctx.accum_err)goto poweroff1v8;if (dsi_ctx.accum_err)goto poweroffavdd;if (dsi_ctx.accum_err)goto poweroff;if (dsi_ctx.accum_err)goto poweroff;return 0;return dsi_ctx.accum_err;static int hx83102_get_modes(struct drm_panel *panel,struct drm_connector *connector)struct hx83102 *ctx = panel_to_hx83102(panel);const struct drm_display_mode *m = ctx->desc->modes;struct drm_display_mode *mode;if (!mode)return -ENOMEM;return 1;static enum drm_panel_orientation hx83102_get_orientation(struct drm_panel *panel)struct hx83102 *ctx = panel_to_hx83102(panel);return ctx->orientation;static const struct drm_panel_funcs hx83102_drm_funcs = {static int hx83102_panel_add(struct hx83102 *ctx)struct device *dev = &ctx->dsi->dev;int err;"avdd" );if (IS_ERR(ctx->avdd))return PTR_ERR(ctx->avdd);"avee" );if (IS_ERR(ctx->avee))return PTR_ERR(ctx->avee);"pp1800" );if (IS_ERR(ctx->pp1800))return PTR_ERR(ctx->pp1800);"enable" , GPIOD_OUT_LOW);if (IS_ERR(ctx->enable_gpio))return dev_err_probe(dev, PTR_ERR(ctx->enable_gpio), "Cannot get enable GPIO\n" );true ;if (err < 0)return dev_err_probe(dev, err, "failed to get orientation\n" );if (err)return err;return 0;static int hx83102_probe(struct mipi_dsi_device *dsi)struct hx83102 *ctx;int ret;const struct hx83102_panel_desc *desc;if (IS_ERR(ctx))return PTR_ERR(ctx);if (ret < 0)return ret;if (ret)return ret;static void hx83102_remove(struct mipi_dsi_device *dsi)struct hx83102 *ctx = mipi_dsi_get_drvdata(dsi);int ret;if (ret < 0)"failed to detach from DSI host: %d\n" , ret);if (ctx->base.dev)static const struct of_device_id hx83102_of_match[] = {"boe,nv110wum-l60" ,"csot,pna957qt1-1" ,"ivo,t109nw41" ,"kingdisplay,kd110n11-51ie" ,"starry,2082109qfh040022-50e" ,"starry,himax83102-j02" ,/* sentinel */ } static struct mipi_dsi_driver hx83102_driver = {"panel-himax-hx83102" ,"Cong Yang <yangcong5@huaqin.corp-partner.google.com>" );"DRM driver for Himax HX83102 based MIPI DSI panels" );"GPL" );
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