/*
 * Copyright (C) 2013, NVIDIA Corporation.  All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sub license,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include <linux/backlight.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>

#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>

#include <video/display_timing.h>
#include <video/videomode.h>

struct panel_desc {
        const struct drm_display_mode *modes;
        unsigned int num_modes;
        const struct display_timing *timings;
        unsigned int num_timings;

        unsigned int bpc;

        /**
         * @width: width (in millimeters) of the panel's active display area
         * @height: height (in millimeters) of the panel's active display area
         */
        struct {
                unsigned int width;
                unsigned int height;
        } size;

        /**
         * @prepare: the time (in milliseconds) that it takes for the panel to
         *           become ready and start receiving video data
         * @enable: the time (in milliseconds) that it takes for the panel to
         *          display the first valid frame after starting to receive
         *          video data
         * @disable: the time (in milliseconds) that it takes for the panel to
         *           turn the display off (no content is visible)
         * @unprepare: the time (in milliseconds) that it takes for the panel
         *             to power itself down completely
         */
        struct {
                unsigned int prepare;
                unsigned int enable;
                unsigned int disable;
                unsigned int unprepare;
        } delay;

        u32 bus_format;
};

struct panel_simple {
        struct drm_panel base;
        bool prepared;
        bool enabled;

        const struct panel_desc *desc;

        struct backlight_device *backlight;
        struct regulator *supply;
        struct i2c_adapter *ddc;

        struct gpio_desc *enable_gpio;
};

static inline struct panel_simple *to_panel_simple(struct drm_panel *panel)
{
        return container_of(panel, struct panel_simple, base);
}

static int panel_simple_get_fixed_modes(struct panel_simple *panel)
{
        struct drm_connector *connector = panel->base.connector;
        struct drm_device *drm = panel->base.drm;
        struct drm_display_mode *mode;
        unsigned int i, num = 0;

        if (!panel->desc)
                return 0;

        for (i = 0; i < panel->desc->num_timings; i++) {
                const struct display_timing *dt = &panel->desc->timings[i];
                struct videomode vm;

                videomode_from_timing(dt, &vm);
                mode = drm_mode_create(drm);
                if (!mode) {
                        dev_err(drm->dev, "failed to add mode %ux%u\n",
                                dt->hactive.typ, dt->vactive.typ);
                        continue;
                }

                drm_display_mode_from_videomode(&vm, mode);
                drm_mode_set_name(mode);

                drm_mode_probed_add(connector, mode);
                num++;
        }

        for (i = 0; i < panel->desc->num_modes; i++) {
                const struct drm_display_mode *m = &panel->desc->modes[i];

                mode = drm_mode_duplicate(drm, m);
                if (!mode) {
                        dev_err(drm->dev, "failed to add mode %ux%u@%u\n",
                                m->hdisplay, m->vdisplay, m->vrefresh);
                        continue;
                }

                drm_mode_set_name(mode);

                drm_mode_probed_add(connector, mode);
                num++;
        }

        connector->display_info.bpc = panel->desc->bpc;
        connector->display_info.width_mm = panel->desc->size.width;
        connector->display_info.height_mm = panel->desc->size.height;
        if (panel->desc->bus_format)
                drm_display_info_set_bus_formats(&connector->display_info,
                                                 &panel->desc->bus_format, 1);

        return num;
}

static int panel_simple_disable(struct drm_panel *panel)
{
        struct panel_simple *p = to_panel_simple(panel);

        if (!p->enabled)
                return 0;

        if (p->backlight) {
                p->backlight->props.power = FB_BLANK_POWERDOWN;
                backlight_update_status(p->backlight);
        }

        if (p->desc->delay.disable)
                msleep(p->desc->delay.disable);

        p->enabled = false;

        return 0;
}

static int panel_simple_unprepare(struct drm_panel *panel)
{
        struct panel_simple *p = to_panel_simple(panel);

        if (!p->prepared)
                return 0;

        if (p->enable_gpio)
                gpiod_set_value_cansleep(p->enable_gpio, 0);

        regulator_disable(p->supply);

        if (p->desc->delay.unprepare)
                msleep(p->desc->delay.unprepare);

        p->prepared = false;

        return 0;
}

static int panel_simple_prepare(struct drm_panel *panel)
{
        struct panel_simple *p = to_panel_simple(panel);
        int err;

        if (p->prepared)
                return 0;

        err = regulator_enable(p->supply);
        if (err < 0) {
                dev_err(panel->dev, "failed to enable supply: %d\n", err);
                return err;
        }

        if (p->enable_gpio)
                gpiod_set_value_cansleep(p->enable_gpio, 1);

        if (p->desc->delay.prepare)
                msleep(p->desc->delay.prepare);

        p->prepared = true;

        return 0;
}

static int panel_simple_enable(struct drm_panel *panel)
{
        struct panel_simple *p = to_panel_simple(panel);

        if (p->enabled)
                return 0;

        if (p->desc->delay.enable)
                msleep(p->desc->delay.enable);

        if (p->backlight) {
                p->backlight->props.power = FB_BLANK_UNBLANK;
                backlight_update_status(p->backlight);
        }

        p->enabled = true;

        return 0;
}

static int panel_simple_get_modes(struct drm_panel *panel)
{
        struct panel_simple *p = to_panel_simple(panel);
        int num = 0;

        /* probe EDID if a DDC bus is available */
        if (p->ddc) {
                struct edid *edid = drm_get_edid(panel->connector, p->ddc);
                drm_mode_connector_update_edid_property(panel->connector, edid);
                if (edid) {
                        num += drm_add_edid_modes(panel->connector, edid);
                        kfree(edid);
                }
        }

        /* add hard-coded panel modes */
        num += panel_simple_get_fixed_modes(p);

        return num;
}

static int panel_simple_get_timings(struct drm_panel *panel,
                                    unsigned int num_timings,
                                    struct display_timing *timings)
{
        struct panel_simple *p = to_panel_simple(panel);
        unsigned int i;

        if (p->desc->num_timings < num_timings)
                num_timings = p->desc->num_timings;

        if (timings)
                for (i = 0; i < num_timings; i++)
                        timings[i] = p->desc->timings[i];

        return p->desc->num_timings;
}

static const struct drm_panel_funcs panel_simple_funcs = {
        .disable = panel_simple_disable,
        .unprepare = panel_simple_unprepare,
        .prepare = panel_simple_prepare,
        .enable = panel_simple_enable,
        .get_modes = panel_simple_get_modes,
        .get_timings = panel_simple_get_timings,
};

static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
{
        struct device_node *backlight, *ddc;
        struct panel_simple *panel;
        int err;

        panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
        if (!panel)
                return -ENOMEM;

        panel->enabled = false;
        panel->prepared = false;
        panel->desc = desc;

        panel->supply = devm_regulator_get(dev, "power");
        if (IS_ERR(panel->supply))
                return PTR_ERR(panel->supply);

        panel->enable_gpio = devm_gpiod_get_optional(dev, "enable",
                                                     GPIOD_OUT_LOW);
        if (IS_ERR(panel->enable_gpio)) {
                err = PTR_ERR(panel->enable_gpio);
                dev_err(dev, "failed to request GPIO: %d\n", err);
                return err;
        }

        backlight = of_parse_phandle(dev->of_node, "backlight", 0);
        if (backlight) {
                panel->backlight = of_find_backlight_by_node(backlight);
                of_node_put(backlight);

                if (!panel->backlight)
                        return -EPROBE_DEFER;
        }

        ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0);
        if (ddc) {
                panel->ddc = of_find_i2c_adapter_by_node(ddc);
                of_node_put(ddc);

                if (!panel->ddc) {
                        err = -EPROBE_DEFER;
                        goto free_backlight;
                }
        }

        drm_panel_init(&panel->base);
        panel->base.dev = dev;
        panel->base.funcs = &panel_simple_funcs;

        err = drm_panel_add(&panel->base);
        if (err < 0)
                goto free_ddc;

        dev_set_drvdata(dev, panel);

        return 0;

free_ddc:
        if (panel->ddc)
                put_device(&panel->ddc->dev);
free_backlight:
        if (panel->backlight)
                put_device(&panel->backlight->dev);

        return err;
}

static int panel_simple_remove(struct device *dev)
{
        struct panel_simple *panel = dev_get_drvdata(dev);

        drm_panel_detach(&panel->base);
        drm_panel_remove(&panel->base);

        panel_simple_disable(&panel->base);

        if (panel->ddc)
                put_device(&panel->ddc->dev);

        if (panel->backlight)
                put_device(&panel->backlight->dev);

        return 0;
}

static void panel_simple_shutdown(struct device *dev)
{
        struct panel_simple *panel = dev_get_drvdata(dev);

        panel_simple_disable(&panel->base);
}

static const struct drm_display_mode ampire_am800480r3tmqwa1h_mode = {
        .clock = 33333,
        .hdisplay = 800,
        .hsync_start = 800 + 0,
        .hsync_end = 800 + 0 + 255,
        .htotal = 800 + 0 + 255 + 0,
        .vdisplay = 480,
        .vsync_start = 480 + 2,
        .vsync_end = 480 + 2 + 45,
        .vtotal = 480 + 2 + 45 + 0,
        .vrefresh = 60,
        .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
};

static const struct panel_desc ampire_am800480r3tmqwa1h = {
        .modes = &ampire_am800480r3tmqwa1h_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 152,
                .height = 91,
        },
        .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};

static const struct drm_display_mode auo_b101aw03_mode = {
        .clock = 51450,
        .hdisplay = 1024,
        .hsync_start = 1024 + 156,
        .hsync_end = 1024 + 156 + 8,
        .htotal = 1024 + 156 + 8 + 156,
        .vdisplay = 600,
        .vsync_start = 600 + 16,
        .vsync_end = 600 + 16 + 6,
        .vtotal = 600 + 16 + 6 + 16,
        .vrefresh = 60,
};

static const struct panel_desc auo_b101aw03 = {
        .modes = &auo_b101aw03_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 223,
                .height = 125,
        },
};

static const struct drm_display_mode auo_b101ean01_mode = {
        .clock = 72500,
        .hdisplay = 1280,
        .hsync_start = 1280 + 119,
        .hsync_end = 1280 + 119 + 32,
        .htotal = 1280 + 119 + 32 + 21,
        .vdisplay = 800,
        .vsync_start = 800 + 4,
        .vsync_end = 800 + 4 + 20,
        .vtotal = 800 + 4 + 20 + 8,
        .vrefresh = 60,
};

static const struct panel_desc auo_b101ean01 = {
        .modes = &auo_b101ean01_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 217,
                .height = 136,
        },
};

static const struct drm_display_mode auo_b101xtn01_mode = {
        .clock = 72000,
        .hdisplay = 1366,
        .hsync_start = 1366 + 20,
        .hsync_end = 1366 + 20 + 70,
        .htotal = 1366 + 20 + 70,
        .vdisplay = 768,
        .vsync_start = 768 + 14,
        .vsync_end = 768 + 14 + 42,
        .vtotal = 768 + 14 + 42,
        .vrefresh = 60,
        .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
};

static const struct panel_desc auo_b101xtn01 = {
        .modes = &auo_b101xtn01_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 223,
                .height = 125,
        },
};

static const struct drm_display_mode auo_b116xw03_mode = {
        .clock = 70589,
        .hdisplay = 1366,
        .hsync_start = 1366 + 40,
        .hsync_end = 1366 + 40 + 40,
        .htotal = 1366 + 40 + 40 + 32,
        .vdisplay = 768,
        .vsync_start = 768 + 10,
        .vsync_end = 768 + 10 + 12,
        .vtotal = 768 + 10 + 12 + 6,
        .vrefresh = 60,
};

static const struct panel_desc auo_b116xw03 = {
        .modes = &auo_b116xw03_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 256,
                .height = 144,
        },
};

static const struct drm_display_mode auo_b133xtn01_mode = {
        .clock = 69500,
        .hdisplay = 1366,
        .hsync_start = 1366 + 48,
        .hsync_end = 1366 + 48 + 32,
        .htotal = 1366 + 48 + 32 + 20,
        .vdisplay = 768,
        .vsync_start = 768 + 3,
        .vsync_end = 768 + 3 + 6,
        .vtotal = 768 + 3 + 6 + 13,
        .vrefresh = 60,
};

static const struct panel_desc auo_b133xtn01 = {
        .modes = &auo_b133xtn01_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 293,
                .height = 165,
        },
};

static const struct drm_display_mode auo_b133htn01_mode = {
        .clock = 150660,
        .hdisplay = 1920,
        .hsync_start = 1920 + 172,
        .hsync_end = 1920 + 172 + 80,
        .htotal = 1920 + 172 + 80 + 60,
        .vdisplay = 1080,
        .vsync_start = 1080 + 25,
        .vsync_end = 1080 + 25 + 10,
        .vtotal = 1080 + 25 + 10 + 10,
        .vrefresh = 60,
};

static const struct panel_desc auo_b133htn01 = {
        .modes = &auo_b133htn01_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 293,
                .height = 165,
        },
        .delay = {
                .prepare = 105,
                .enable = 20,
                .unprepare = 50,
        },
};

static const struct drm_display_mode avic_tm070ddh03_mode = {
        .clock = 51200,
        .hdisplay = 1024,
        .hsync_start = 1024 + 160,
        .hsync_end = 1024 + 160 + 4,
        .htotal = 1024 + 160 + 4 + 156,
        .vdisplay = 600,
        .vsync_start = 600 + 17,
        .vsync_end = 600 + 17 + 1,
        .vtotal = 600 + 17 + 1 + 17,
        .vrefresh = 60,
};

static const struct panel_desc avic_tm070ddh03 = {
        .modes = &avic_tm070ddh03_mode,
        .num_modes = 1,
        .bpc = 8,
        .size = {
                .width = 154,
                .height = 90,
        },
        .delay = {
                .prepare = 20,
                .enable = 200,
                .disable = 200,
        },
};

static const struct drm_display_mode chunghwa_claa101wa01a_mode = {
        .clock = 72070,
        .hdisplay = 1366,
        .hsync_start = 1366 + 58,
        .hsync_end = 1366 + 58 + 58,
        .htotal = 1366 + 58 + 58 + 58,
        .vdisplay = 768,
        .vsync_start = 768 + 4,
        .vsync_end = 768 + 4 + 4,
        .vtotal = 768 + 4 + 4 + 4,
        .vrefresh = 60,
};

static const struct panel_desc chunghwa_claa101wa01a = {
        .modes = &chunghwa_claa101wa01a_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 220,
                .height = 120,
        },
};

static const struct drm_display_mode chunghwa_claa101wb01_mode = {
        .clock = 69300,
        .hdisplay = 1366,
        .hsync_start = 1366 + 48,
        .hsync_end = 1366 + 48 + 32,
        .htotal = 1366 + 48 + 32 + 20,
        .vdisplay = 768,
        .vsync_start = 768 + 16,
        .vsync_end = 768 + 16 + 8,
        .vtotal = 768 + 16 + 8 + 16,
        .vrefresh = 60,
};

static const struct panel_desc chunghwa_claa101wb01 = {
        .modes = &chunghwa_claa101wb01_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 223,
                .height = 125,
        },
};

static const struct drm_display_mode edt_et057090dhu_mode = {
        .clock = 25175,
        .hdisplay = 640,
        .hsync_start = 640 + 16,
        .hsync_end = 640 + 16 + 30,
        .htotal = 640 + 16 + 30 + 114,
        .vdisplay = 480,
        .vsync_start = 480 + 10,
        .vsync_end = 480 + 10 + 3,
        .vtotal = 480 + 10 + 3 + 32,
        .vrefresh = 60,
        .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
};

static const struct panel_desc edt_et057090dhu = {
        .modes = &edt_et057090dhu_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 115,
                .height = 86,
        },
};

static const struct drm_display_mode edt_etm0700g0dh6_mode = {
        .clock = 33260,
        .hdisplay = 800,
        .hsync_start = 800 + 40,
        .hsync_end = 800 + 40 + 128,
        .htotal = 800 + 40 + 128 + 88,
        .vdisplay = 480,
        .vsync_start = 480 + 10,
        .vsync_end = 480 + 10 + 2,
        .vtotal = 480 + 10 + 2 + 33,
        .vrefresh = 60,
        .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
};

static const struct panel_desc edt_etm0700g0dh6 = {
        .modes = &edt_etm0700g0dh6_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 152,
                .height = 91,
        },
};

static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = {
        .clock = 32260,
        .hdisplay = 800,
        .hsync_start = 800 + 168,
        .hsync_end = 800 + 168 + 64,
        .htotal = 800 + 168 + 64 + 88,
        .vdisplay = 480,
        .vsync_start = 480 + 37,
        .vsync_end = 480 + 37 + 2,
        .vtotal = 480 + 37 + 2 + 8,
        .vrefresh = 60,
};

static const struct panel_desc foxlink_fl500wvr00_a0t = {
        .modes = &foxlink_fl500wvr00_a0t_mode,
        .num_modes = 1,
        .bpc = 8,
        .size = {
                .width = 108,
                .height = 65,
        },
        .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};

static const struct drm_display_mode giantplus_gpg482739qs5_mode = {
        .clock = 9000,
        .hdisplay = 480,
        .hsync_start = 480 + 5,
        .hsync_end = 480 + 5 + 1,
        .htotal = 480 + 5 + 1 + 40,
        .vdisplay = 272,
        .vsync_start = 272 + 8,
        .vsync_end = 272 + 8 + 1,
        .vtotal = 272 + 8 + 1 + 8,
        .vrefresh = 60,
};

static const struct panel_desc giantplus_gpg482739qs5 = {
        .modes = &giantplus_gpg482739qs5_mode,
        .num_modes = 1,
        .bpc = 8,
        .size = {
                .width = 95,
                .height = 54,
        },
        .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};

static const struct display_timing hannstar_hsd070pww1_timing = {
        .pixelclock = { 64300000, 71100000, 82000000 },
        .hactive = { 1280, 1280, 1280 },
        .hfront_porch = { 1, 1, 10 },
        .hback_porch = { 1, 1, 10 },
        /*
         * According to the data sheet, the minimum horizontal blanking interval
         * is 54 clocks (1 + 52 + 1), but tests with a Nitrogen6X have shown the
         * minimum working horizontal blanking interval to be 60 clocks.
         */
        .hsync_len = { 58, 158, 661 },
        .vactive = { 800, 800, 800 },
        .vfront_porch = { 1, 1, 10 },
        .vback_porch = { 1, 1, 10 },
        .vsync_len = { 1, 21, 203 },
        .flags = DISPLAY_FLAGS_DE_HIGH,
};

static const struct panel_desc hannstar_hsd070pww1 = {
        .timings = &hannstar_hsd070pww1_timing,
        .num_timings = 1,
        .bpc = 6,
        .size = {
                .width = 151,
                .height = 94,
        },
        .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
};

static const struct display_timing hannstar_hsd100pxn1_timing = {
        .pixelclock = { 55000000, 65000000, 75000000 },
        .hactive = { 1024, 1024, 1024 },
        .hfront_porch = { 40, 40, 40 },
        .hback_porch = { 220, 220, 220 },
        .hsync_len = { 20, 60, 100 },
        .vactive = { 768, 768, 768 },
        .vfront_porch = { 7, 7, 7 },
        .vback_porch = { 21, 21, 21 },
        .vsync_len = { 10, 10, 10 },
        .flags = DISPLAY_FLAGS_DE_HIGH,
};

static const struct panel_desc hannstar_hsd100pxn1 = {
        .timings = &hannstar_hsd100pxn1_timing,
        .num_timings = 1,
        .bpc = 6,
        .size = {
                .width = 203,
                .height = 152,
        },
        .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
};

static const struct drm_display_mode hitachi_tx23d38vm0caa_mode = {
        .clock = 33333,
        .hdisplay = 800,
        .hsync_start = 800 + 85,
        .hsync_end = 800 + 85 + 86,
        .htotal = 800 + 85 + 86 + 85,
        .vdisplay = 480,
        .vsync_start = 480 + 16,
        .vsync_end = 480 + 16 + 13,
        .vtotal = 480 + 16 + 13 + 16,
        .vrefresh = 60,
};

static const struct panel_desc hitachi_tx23d38vm0caa = {
        .modes = &hitachi_tx23d38vm0caa_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 195,
                .height = 117,
        },
};

static const struct drm_display_mode innolux_at043tn24_mode = {
        .clock = 9000,
        .hdisplay = 480,
        .hsync_start = 480 + 2,
        .hsync_end = 480 + 2 + 41,
        .htotal = 480 + 2 + 41 + 2,
        .vdisplay = 272,
        .vsync_start = 272 + 2,
        .vsync_end = 272 + 2 + 11,
        .vtotal = 272 + 2 + 11 + 2,
        .vrefresh = 60,
        .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
};

static const struct panel_desc innolux_at043tn24 = {
        .modes = &innolux_at043tn24_mode,
        .num_modes = 1,
        .bpc = 8,
        .size = {
                .width = 95,
                .height = 54,
        },
        .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};

static const struct drm_display_mode innolux_g121i1_l01_mode = {
        .clock = 71000,
        .hdisplay = 1280,
        .hsync_start = 1280 + 64,
        .hsync_end = 1280 + 64 + 32,
        .htotal = 1280 + 64 + 32 + 64,
        .vdisplay = 800,
        .vsync_start = 800 + 9,
        .vsync_end = 800 + 9 + 6,
        .vtotal = 800 + 9 + 6 + 9,
        .vrefresh = 60,
};

static const struct panel_desc innolux_g121i1_l01 = {
        .modes = &innolux_g121i1_l01_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 261,
                .height = 163,
        },
};

static const struct drm_display_mode innolux_g121x1_l03_mode = {
        .clock = 65000,
        .hdisplay = 1024,
        .hsync_start = 1024 + 0,
        .hsync_end = 1024 + 1,
        .htotal = 1024 + 0 + 1 + 320,
        .vdisplay = 768,
        .vsync_start = 768 + 38,
        .vsync_end = 768 + 38 + 1,
        .vtotal = 768 + 38 + 1 + 0,
        .vrefresh = 60,
};

static const struct panel_desc innolux_g121x1_l03 = {
        .modes = &innolux_g121x1_l03_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 246,
                .height = 185,
        },
        .delay = {
                .enable = 200,
                .unprepare = 200,
                .disable = 400,
        },
};

static const struct drm_display_mode innolux_n116bge_mode = {
        .clock = 76420,
        .hdisplay = 1366,
        .hsync_start = 1366 + 136,
        .hsync_end = 1366 + 136 + 30,
        .htotal = 1366 + 136 + 30 + 60,
        .vdisplay = 768,
        .vsync_start = 768 + 8,
        .vsync_end = 768 + 8 + 12,
        .vtotal = 768 + 8 + 12 + 12,
        .vrefresh = 60,
        .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
};

static const struct panel_desc innolux_n116bge = {
        .modes = &innolux_n116bge_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 256,
                .height = 144,
        },
};

static const struct drm_display_mode innolux_n156bge_l21_mode = {
        .clock = 69300,
        .hdisplay = 1366,
        .hsync_start = 1366 + 16,
        .hsync_end = 1366 + 16 + 34,
        .htotal = 1366 + 16 + 34 + 50,
        .vdisplay = 768,
        .vsync_start = 768 + 2,
        .vsync_end = 768 + 2 + 6,
        .vtotal = 768 + 2 + 6 + 12,
        .vrefresh = 60,
};

static const struct panel_desc innolux_n156bge_l21 = {
        .modes = &innolux_n156bge_l21_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 344,
                .height = 193,
        },
};

static const struct drm_display_mode innolux_zj070na_01p_mode = {
        .clock = 51501,
        .hdisplay = 1024,
        .hsync_start = 1024 + 128,
        .hsync_end = 1024 + 128 + 64,
        .htotal = 1024 + 128 + 64 + 128,
        .vdisplay = 600,
        .vsync_start = 600 + 16,
        .vsync_end = 600 + 16 + 4,
        .vtotal = 600 + 16 + 4 + 16,
        .vrefresh = 60,
};

static const struct panel_desc innolux_zj070na_01p = {
        .modes = &innolux_zj070na_01p_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 1024,
                .height = 600,
        },
};

static const struct display_timing kyo_tcg121xglp_timing = {
        .pixelclock = { 52000000, 65000000, 71000000 },
        .hactive = { 1024, 1024, 1024 },
        .hfront_porch = { 2, 2, 2 },
        .hback_porch = { 2, 2, 2 },
        .hsync_len = { 86, 124, 244 },
        .vactive = { 768, 768, 768 },
        .vfront_porch = { 2, 2, 2 },
        .vback_porch = { 2, 2, 2 },
        .vsync_len = { 6, 34, 73 },
        .flags = DISPLAY_FLAGS_DE_HIGH,
};

static const struct panel_desc kyo_tcg121xglp = {
        .timings = &kyo_tcg121xglp_timing,
        .num_timings = 1,
        .bpc = 8,
        .size = {
                .width = 246,
                .height = 184,
        },
        .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
};

static const struct drm_display_mode lg_lb070wv8_mode = {
        .clock = 33246,
        .hdisplay = 800,
        .hsync_start = 800 + 88,
        .hsync_end = 800 + 88 + 80,
        .htotal = 800 + 88 + 80 + 88,
        .vdisplay = 480,
        .vsync_start = 480 + 10,
        .vsync_end = 480 + 10 + 25,
        .vtotal = 480 + 10 + 25 + 10,
        .vrefresh = 60,
};

static const struct panel_desc lg_lb070wv8 = {
        .modes = &lg_lb070wv8_mode,
        .num_modes = 1,
        .bpc = 16,
        .size = {
                .width = 151,
                .height = 91,
        },
        .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
};

static const struct drm_display_mode lg_lp129qe_mode = {
        .clock = 285250,
        .hdisplay = 2560,
        .hsync_start = 2560 + 48,
        .hsync_end = 2560 + 48 + 32,
        .htotal = 2560 + 48 + 32 + 80,
        .vdisplay = 1700,
        .vsync_start = 1700 + 3,
        .vsync_end = 1700 + 3 + 10,
        .vtotal = 1700 + 3 + 10 + 36,
        .vrefresh = 60,
};

static const struct panel_desc lg_lp129qe = {
        .modes = &lg_lp129qe_mode,
        .num_modes = 1,

        .bpc = 8,
        .size = {
                .width = 272,
                .height = 181,
        },
};

static const struct drm_display_mode nec_nl4827hc19_05b_mode = {
        .clock = 10870,
        .hdisplay = 480,
        .hsync_start = 480 + 2,
        .hsync_end = 480 + 2 + 41,
        .htotal = 480 + 2 + 41 + 2,
        .vdisplay = 272,
        .vsync_start = 272 + 2,
        .vsync_end = 272 + 2 + 4,
        .vtotal = 272 + 2 + 4 + 2,
        .vrefresh = 74,
};

static const struct panel_desc nec_nl4827hc19_05b = {
        .modes = &nec_nl4827hc19_05b_mode,
        .num_modes = 1,
        .bpc = 8,
        .size = {
                .width = 95,
                .height = 54,
        },
        .bus_format = MEDIA_BUS_FMT_RGB888_1X24
};

static const struct display_timing okaya_rs800480t_7x0gp_timing = {
        .pixelclock = { 30000000, 30000000, 40000000 },
        .hactive = { 800, 800, 800 },
        .hfront_porch = { 40, 40, 40 },
        .hback_porch = { 40, 40, 40 },
        .hsync_len = { 1, 48, 48 },
        .vactive = { 480, 480, 480 },
        .vfront_porch = { 13, 13, 13 },
        .vback_porch = { 29, 29, 29 },
        .vsync_len = { 3, 3, 3 },
        .flags = DISPLAY_FLAGS_DE_HIGH,
};

static const struct panel_desc okaya_rs800480t_7x0gp = {
        .timings = &okaya_rs800480t_7x0gp_timing,
        .num_timings = 1,
        .bpc = 6,
        .size = {
                .width = 154,
                .height = 87,
        },
        .delay = {
                .prepare = 41,
                .enable = 50,
                .unprepare = 41,
                .disable = 50,
        },
        .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};

static const struct drm_display_mode ortustech_com43h4m85ulc_mode  = {
        .clock = 25000,
        .hdisplay = 480,
        .hsync_start = 480 + 10,
        .hsync_end = 480 + 10 + 10,
        .htotal = 480 + 10 + 10 + 15,
        .vdisplay = 800,
        .vsync_start = 800 + 3,
        .vsync_end = 800 + 3 + 3,
        .vtotal = 800 + 3 + 3 + 3,
        .vrefresh = 60,
};

static const struct panel_desc ortustech_com43h4m85ulc = {
        .modes = &ortustech_com43h4m85ulc_mode,
        .num_modes = 1,
        .bpc = 8,
        .size = {
                .width = 56,
                .height = 93,
        },
        .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};

static const struct drm_display_mode qd43003c0_40_mode = {
        .clock = 9000,
        .hdisplay = 480,
        .hsync_start = 480 + 8,
        .hsync_end = 480 + 8 + 4,
        .htotal = 480 + 8 + 4 + 39,
        .vdisplay = 272,
        .vsync_start = 272 + 4,
        .vsync_end = 272 + 4 + 10,
        .vtotal = 272 + 4 + 10 + 2,
        .vrefresh = 60,
};

static const struct panel_desc qd43003c0_40 = {
        .modes = &qd43003c0_40_mode,
        .num_modes = 1,
        .bpc = 8,
        .size = {
                .width = 95,
                .height = 53,
        },
        .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};

static const struct drm_display_mode samsung_ltn101nt05_mode = {
        .clock = 54030,
        .hdisplay = 1024,
        .hsync_start = 1024 + 24,
        .hsync_end = 1024 + 24 + 136,
        .htotal = 1024 + 24 + 136 + 160,
        .vdisplay = 600,
        .vsync_start = 600 + 3,
        .vsync_end = 600 + 3 + 6,
        .vtotal = 600 + 3 + 6 + 61,
        .vrefresh = 60,
};

static const struct panel_desc samsung_ltn101nt05 = {
        .modes = &samsung_ltn101nt05_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 1024,
                .height = 600,
        },
};

static const struct drm_display_mode samsung_ltn140at29_301_mode = {
        .clock = 76300,
        .hdisplay = 1366,
        .hsync_start = 1366 + 64,
        .hsync_end = 1366 + 64 + 48,
        .htotal = 1366 + 64 + 48 + 128,
        .vdisplay = 768,
        .vsync_start = 768 + 2,
        .vsync_end = 768 + 2 + 5,
        .vtotal = 768 + 2 + 5 + 17,
        .vrefresh = 60,
};

static const struct panel_desc samsung_ltn140at29_301 = {
        .modes = &samsung_ltn140at29_301_mode,
        .num_modes = 1,
        .bpc = 6,
        .size = {
                .width = 320,
                .height = 187,
        },
};

static const struct drm_display_mode shelly_sca07010_bfn_lnn_mode = {
        .clock = 33300,
        .hdisplay = 800,
        .hsync_start = 800 + 1,
        .hsync_end = 800 + 1 + 64,
        .htotal = 800 + 1 + 64 + 64,
        .vdisplay = 480,
        .vsync_start = 480 + 1,
        .vsync_end = 480 + 1 + 23,
        .vtotal = 480 + 1 + 23 + 22,
        .vrefresh = 60,
};

static const struct panel_desc shelly_sca07010_bfn_lnn = {
        .modes = &shelly_sca07010_bfn_lnn_mode,
        .num_modes = 1,
        .size = {
                .width = 152,
                .height = 91,
        },
        .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};

static const struct of_device_id platform_of_match[] = {
        {
                .compatible = "ampire,am800480r3tmqwa1h",
                .data = &ampire_am800480r3tmqwa1h,
        }, {
                .compatible = "auo,b101aw03",
                .data = &auo_b101aw03,
        }, {
                .compatible = "auo,b101ean01",
                .data = &auo_b101ean01,
        }, {
                .compatible = "auo,b101xtn01",
                .data = &auo_b101xtn01,
        }, {
                .compatible = "auo,b116xw03",
                .data = &auo_b116xw03,
        }, {
                .compatible = "auo,b133htn01",
                .data = &auo_b133htn01,
        }, {
                .compatible = "auo,b133xtn01",
                .data = &auo_b133xtn01,
        }, {
                .compatible = "avic,tm070ddh03",
                .data = &avic_tm070ddh03,
        }, {
                .compatible = "chunghwa,claa101wa01a",
                .data = &chunghwa_claa101wa01a
        }, {
                .compatible = "chunghwa,claa101wb01",
                .data = &chunghwa_claa101wb01
        }, {
                .compatible = "edt,et057090dhu",
                .data = &edt_et057090dhu,
        }, {
                .compatible = "edt,et070080dh6",
                .data = &edt_etm0700g0dh6,
        }, {
                .compatible = "edt,etm0700g0dh6",
                .data = &edt_etm0700g0dh6,
        }, {
                .compatible = "foxlink,fl500wvr00-a0t",
                .data = &foxlink_fl500wvr00_a0t,
        }, {
                .compatible = "giantplus,gpg482739qs5",
                .data = &giantplus_gpg482739qs5
        }, {
                .compatible = "hannstar,hsd070pww1",
                .data = &hannstar_hsd070pww1,
        }, {
                .compatible = "hannstar,hsd100pxn1",
                .data = &hannstar_hsd100pxn1,
        }, {
                .compatible = "hit,tx23d38vm0caa",
                .data = &hitachi_tx23d38vm0caa
        }, {
                .compatible = "innolux,at043tn24",
                .data = &innolux_at043tn24,
        }, {
                .compatible ="innolux,g121i1-l01",
                .data = &innolux_g121i1_l01
        }, {
                .compatible = "innolux,g121x1-l03",
                .data = &innolux_g121x1_l03,
        }, {
                .compatible = "innolux,n116bge",
                .data = &innolux_n116bge,
        }, {
                .compatible = "innolux,n156bge-l21",
                .data = &innolux_n156bge_l21,
        }, {
                .compatible = "innolux,zj070na-01p",
                .data = &innolux_zj070na_01p,
        }, {
                .compatible = "kyo,tcg121xglp",
                .data = &kyo_tcg121xglp,
        }, {
                .compatible = "lg,lb070wv8",
                .data = &lg_lb070wv8,
        }, {
                .compatible = "lg,lp129qe",
                .data = &lg_lp129qe,
        }, {
                .compatible = "nec,nl4827hc19-05b",
                .data = &nec_nl4827hc19_05b,
        }, {
                .compatible = "okaya,rs800480t-7x0gp",
                .data = &okaya_rs800480t_7x0gp,
        }, {
                .compatible = "ortustech,com43h4m85ulc",
                .data = &ortustech_com43h4m85ulc,
        }, {
                .compatible = "qiaodian,qd43003c0-40",
                .data = &qd43003c0_40,
        }, {
                .compatible = "samsung,ltn101nt05",
                .data = &samsung_ltn101nt05,
        }, {
                .compatible = "samsung,ltn140at29-301",
                .data = &samsung_ltn140at29_301,
        }, {
                .compatible = "shelly,sca07010-bfn-lnn",
                .data = &shelly_sca07010_bfn_lnn,
        }, {
                /* sentinel */
        }
};
MODULE_DEVICE_TABLE(of, platform_of_match);

static int panel_simple_platform_probe(struct platform_device *pdev)
{
        const struct of_device_id *id;

        id = of_match_node(platform_of_match, pdev->dev.of_node);
        if (!id)
                return -ENODEV;

        return panel_simple_probe(&pdev->dev, id->data);
}

static int panel_simple_platform_remove(struct platform_device *pdev)
{
        return panel_simple_remove(&pdev->dev);
}

static void panel_simple_platform_shutdown(struct platform_device *pdev)
{
        panel_simple_shutdown(&pdev->dev);
}

static struct platform_driver panel_simple_platform_driver = {
        .driver = {
                .name = "panel-simple",
                .of_match_table = platform_of_match,
        },
        .probe = panel_simple_platform_probe,
        .remove = panel_simple_platform_remove,
        .shutdown = panel_simple_platform_shutdown,
};

struct panel_desc_dsi {
        struct panel_desc desc;

        unsigned long flags;
        enum mipi_dsi_pixel_format format;
        unsigned int lanes;
};

static const struct drm_display_mode auo_b080uan01_mode = {
        .clock = 154500,
        .hdisplay = 1200,
        .hsync_start = 1200 + 62,
        .hsync_end = 1200 + 62 + 4,
        .htotal = 1200 + 62 + 4 + 62,
        .vdisplay = 1920,
        .vsync_start = 1920 + 9,
        .vsync_end = 1920 + 9 + 2,
        .vtotal = 1920 + 9 + 2 + 8,
        .vrefresh = 60,
};

static const struct panel_desc_dsi auo_b080uan01 = {
        .desc = {
                .modes = &auo_b080uan01_mode,
                .num_modes = 1,
                .bpc = 8,
                .size = {
                        .width = 108,
                        .height = 272,
                },
        },
        .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS,
        .format = MIPI_DSI_FMT_RGB888,
        .lanes = 4,
};

static const struct drm_display_mode boe_tv080wum_nl0_mode = {
        .clock = 160000,
        .hdisplay = 1200,
        .hsync_start = 1200 + 120,
        .hsync_end = 1200 + 120 + 20,
        .htotal = 1200 + 120 + 20 + 21,
        .vdisplay = 1920,
        .vsync_start = 1920 + 21,
        .vsync_end = 1920 + 21 + 3,
        .vtotal = 1920 + 21 + 3 + 18,
        .vrefresh = 60,
        .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
};

static const struct panel_desc_dsi boe_tv080wum_nl0 = {
        .desc = {
                .modes = &boe_tv080wum_nl0_mode,
                .num_modes = 1,
                .size = {
                        .width = 107,
                        .height = 172,
                },
        },
        .flags = MIPI_DSI_MODE_VIDEO |
                 MIPI_DSI_MODE_VIDEO_BURST |
                 MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
        .format = MIPI_DSI_FMT_RGB888,
        .lanes = 4,
};

static const struct drm_display_mode lg_ld070wx3_sl01_mode = {
        .clock = 71000,
        .hdisplay = 800,
        .hsync_start = 800 + 32,
        .hsync_end = 800 + 32 + 1,
        .htotal = 800 + 32 + 1 + 57,
        .vdisplay = 1280,
        .vsync_start = 1280 + 28,
        .vsync_end = 1280 + 28 + 1,
        .vtotal = 1280 + 28 + 1 + 14,
        .vrefresh = 60,
};

static const struct panel_desc_dsi lg_ld070wx3_sl01 = {
        .desc = {
                .modes = &lg_ld070wx3_sl01_mode,
                .num_modes = 1,
                .bpc = 8,
                .size = {
                        .width = 94,
                        .height = 151,
                },
        },
        .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS,
        .format = MIPI_DSI_FMT_RGB888,
        .lanes = 4,
};

static const struct drm_display_mode lg_lh500wx1_sd03_mode = {
        .clock = 67000,
        .hdisplay = 720,
        .hsync_start = 720 + 12,
        .hsync_end = 720 + 12 + 4,
        .htotal = 720 + 12 + 4 + 112,
        .vdisplay = 1280,
        .vsync_start = 1280 + 8,
        .vsync_end = 1280 + 8 + 4,
        .vtotal = 1280 + 8 + 4 + 12,
        .vrefresh = 60,
};

static const struct panel_desc_dsi lg_lh500wx1_sd03 = {
        .desc = {
                .modes = &lg_lh500wx1_sd03_mode,
                .num_modes = 1,
                .bpc = 8,
                .size = {
                        .width = 62,
                        .height = 110,
                },
        },
        .flags = MIPI_DSI_MODE_VIDEO,
        .format = MIPI_DSI_FMT_RGB888,
        .lanes = 4,
};

static const struct drm_display_mode panasonic_vvx10f004b00_mode = {
        .clock = 157200,
        .hdisplay = 1920,
        .hsync_start = 1920 + 154,
        .hsync_end = 1920 + 154 + 16,
        .htotal = 1920 + 154 + 16 + 32,
        .vdisplay = 1200,
        .vsync_start = 1200 + 17,
        .vsync_end = 1200 + 17 + 2,
        .vtotal = 1200 + 17 + 2 + 16,
        .vrefresh = 60,
};

static const struct panel_desc_dsi panasonic_vvx10f004b00 = {
        .desc = {
                .modes = &panasonic_vvx10f004b00_mode,
                .num_modes = 1,
                .bpc = 8,
                .size = {
                        .width = 217,
                        .height = 136,
                },
        },
        .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
                 MIPI_DSI_CLOCK_NON_CONTINUOUS,
        .format = MIPI_DSI_FMT_RGB888,
        .lanes = 4,
};


static const struct of_device_id dsi_of_match[] = {
        {
                .compatible = "auo,b080uan01",
                .data = &auo_b080uan01
        }, {
                .compatible = "boe,tv080wum-nl0",
                .data = &boe_tv080wum_nl0
        }, {
                .compatible = "lg,ld070wx3-sl01",
                .data = &lg_ld070wx3_sl01
        }, {
                .compatible = "lg,lh500wx1-sd03",
                .data = &lg_lh500wx1_sd03
        }, {
                .compatible = "panasonic,vvx10f004b00",
                .data = &panasonic_vvx10f004b00
        }, {
                /* sentinel */
        }
};
MODULE_DEVICE_TABLE(of, dsi_of_match);

static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi)
{
        const struct panel_desc_dsi *desc;
        const struct of_device_id *id;
        int err;

        id = of_match_node(dsi_of_match, dsi->dev.of_node);
        if (!id)
                return -ENODEV;

        desc = id->data;

        err = panel_simple_probe(&dsi->dev, &desc->desc);
        if (err < 0)
                return err;

        dsi->mode_flags = desc->flags;
        dsi->format = desc->format;
        dsi->lanes = desc->lanes;

        return mipi_dsi_attach(dsi);
}

static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi)
{
        int err;

        err = mipi_dsi_detach(dsi);
        if (err < 0)
                dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);

        return panel_simple_remove(&dsi->dev);
}

static void panel_simple_dsi_shutdown(struct mipi_dsi_device *dsi)
{
        panel_simple_shutdown(&dsi->dev);
}

static struct mipi_dsi_driver panel_simple_dsi_driver = {
        .driver = {
                .name = "panel-simple-dsi",
                .of_match_table = dsi_of_match,
        },
        .probe = panel_simple_dsi_probe,
        .remove = panel_simple_dsi_remove,
        .shutdown = panel_simple_dsi_shutdown,
};

static int __init panel_simple_init(void)
{
        int err;

        err = platform_driver_register(&panel_simple_platform_driver);
        if (err < 0)
                return err;

        if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) {
                err = mipi_dsi_driver_register(&panel_simple_dsi_driver);
                if (err < 0)
                        return err;
        }

        return 0;
}
module_init(panel_simple_init);

static void __exit panel_simple_exit(void)
{
        if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
                mipi_dsi_driver_unregister(&panel_simple_dsi_driver);

        platform_driver_unregister(&panel_simple_platform_driver);
}
module_exit(panel_simple_exit);

MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
MODULE_DESCRIPTION("DRM Driver for Simple Panels");
MODULE_LICENSE("GPL and additional rights");