drm/panel: add support for Sharp F402 2048x1536 panel
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / panel / panel-simple.c
index 9090fa13924687c7d70d466cdc2d5d56dfa17809..7ed53fccb5eaf9ad5ad6f999fdc7861d5ab6014c 100644 (file)
@@ -34,6 +34,7 @@
 #include <drm/drm_panel.h>
 
 #include <video/display_timing.h>
+#include <video/of_display_timing.h>
 #include <video/videomode.h>
 
 struct panel_desc {
@@ -75,6 +76,7 @@ struct panel_simple {
        bool prepared;
        bool enabled;
 
+       struct device *dev;
        const struct panel_desc *desc;
 
        struct backlight_device *backlight;
@@ -144,6 +146,41 @@ static int panel_simple_get_fixed_modes(struct panel_simple *panel)
        return num;
 }
 
+static int panel_simple_of_get_native_mode(struct panel_simple *panel)
+{
+       struct drm_connector *connector = panel->base.connector;
+       struct drm_device *drm = panel->base.drm;
+       struct drm_display_mode *mode;
+       struct device_node *timings_np;
+       int ret;
+
+       timings_np = of_get_child_by_name(panel->dev->of_node,
+                                         "display-timings");
+       if (!timings_np) {
+               dev_dbg(panel->dev, "failed to find display-timings node\n");
+               return 0;
+       }
+
+       of_node_put(timings_np);
+       mode = drm_mode_create(drm);
+       if (!mode)
+               return 0;
+
+       ret = of_get_drm_display_mode(panel->dev->of_node, mode,
+                                     OF_USE_NATIVE_MODE);
+       if (ret) {
+               dev_dbg(panel->dev, "failed to find dts display timings\n");
+               drm_mode_destroy(drm, mode);
+               return 0;
+       }
+
+       drm_mode_set_name(mode);
+       mode->type |= DRM_MODE_TYPE_PREFERRED;
+       drm_mode_probed_add(connector, mode);
+
+       return 1;
+}
+
 static int panel_simple_disable(struct drm_panel *panel)
 {
        struct panel_simple *p = to_panel_simple(panel);
@@ -156,7 +193,7 @@ static int panel_simple_disable(struct drm_panel *panel)
                backlight_update_status(p->backlight);
        }
 
-       if (p->desc->delay.disable)
+       if (p->desc && p->desc->delay.disable)
                msleep(p->desc->delay.disable);
 
        p->enabled = false;
@@ -172,11 +209,11 @@ static int panel_simple_unprepare(struct drm_panel *panel)
                return 0;
 
        if (p->enable_gpio)
-               gpiod_set_value_cansleep(p->enable_gpio, 0);
+               gpiod_direction_output(p->enable_gpio, 0);
 
        regulator_disable(p->supply);
 
-       if (p->desc->delay.unprepare)
+       if (p->desc && p->desc->delay.unprepare)
                msleep(p->desc->delay.unprepare);
 
        p->prepared = false;
@@ -199,9 +236,9 @@ static int panel_simple_prepare(struct drm_panel *panel)
        }
 
        if (p->enable_gpio)
-               gpiod_set_value_cansleep(p->enable_gpio, 1);
+               gpiod_direction_output(p->enable_gpio, 1);
 
-       if (p->desc->delay.prepare)
+       if (p->desc && p->desc->delay.prepare)
                msleep(p->desc->delay.prepare);
 
        p->prepared = true;
@@ -216,7 +253,7 @@ static int panel_simple_enable(struct drm_panel *panel)
        if (p->enabled)
                return 0;
 
-       if (p->desc->delay.enable)
+       if (p->desc && p->desc->delay.enable)
                msleep(p->desc->delay.enable);
 
        if (p->backlight) {
@@ -234,6 +271,12 @@ static int panel_simple_get_modes(struct drm_panel *panel)
        struct panel_simple *p = to_panel_simple(panel);
        int num = 0;
 
+       /* add device node plane modes */
+       num += panel_simple_of_get_native_mode(p);
+
+       /* add hard-coded panel modes */
+       num += panel_simple_get_fixed_modes(p);
+
        /* probe EDID if a DDC bus is available */
        if (p->ddc) {
                struct edid *edid = drm_get_edid(panel->connector, p->ddc);
@@ -244,9 +287,6 @@ static int panel_simple_get_modes(struct drm_panel *panel)
                }
        }
 
-       /* add hard-coded panel modes */
-       num += panel_simple_get_fixed_modes(p);
-
        return num;
 }
 
@@ -257,6 +297,9 @@ static int panel_simple_get_timings(struct drm_panel *panel,
        struct panel_simple *p = to_panel_simple(panel);
        unsigned int i;
 
+       if (!p->desc)
+               return 0;
+
        if (p->desc->num_timings < num_timings)
                num_timings = p->desc->num_timings;
 
@@ -280,22 +323,40 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 {
        struct device_node *backlight, *ddc;
        struct panel_simple *panel;
+       struct panel_desc *of_desc;
+       u32 val;
        int err;
 
        panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
        if (!panel)
                return -ENOMEM;
 
+       if (!desc)
+               of_desc = devm_kzalloc(dev, sizeof(*of_desc), GFP_KERNEL);
+       else
+               of_desc = devm_kmemdup(dev, desc, sizeof(*of_desc), GFP_KERNEL);
+
+       if (!of_property_read_u32(dev->of_node, "bus-format", &val))
+               of_desc->bus_format = val;
+       if (!of_property_read_u32(dev->of_node, "delay,prepare", &val))
+               of_desc->delay.prepare = val;
+       if (!of_property_read_u32(dev->of_node, "delay,enable", &val))
+               of_desc->delay.enable = val;
+       if (!of_property_read_u32(dev->of_node, "delay,disable", &val))
+               of_desc->delay.disable = val;
+       if (!of_property_read_u32(dev->of_node, "delay,unprepare", &val))
+               of_desc->delay.unprepare = val;
+
        panel->enabled = false;
        panel->prepared = false;
-       panel->desc = desc;
+       panel->desc = of_desc;
+       panel->dev = dev;
 
        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);
+       panel->enable_gpio = devm_gpiod_get_optional(dev, "enable", 0);
        if (IS_ERR(panel->enable_gpio)) {
                err = PTR_ERR(panel->enable_gpio);
                dev_err(dev, "failed to request GPIO: %d\n", err);
@@ -510,6 +571,31 @@ static const struct panel_desc auo_b116xw03 = {
        },
 };
 
+static const struct drm_display_mode auo_b125han03_mode = {
+       .clock = 146900,
+       .hdisplay = 1920,
+       .hsync_start = 1920 + 48,
+       .hsync_end = 1920 + 48 + 32,
+       .htotal = 1920 + 48 + 32 + 140,
+       .vdisplay = 1080,
+       .vsync_start = 1080 + 2,
+       .vsync_end = 1080 + 2 + 5,
+       .vtotal = 1080 + 2 + 5 + 57,
+       .vrefresh = 60,
+       .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc auo_b125han03 = {
+       .modes = &auo_b125han03_mode,
+       .num_modes = 1,
+       .bpc = 6,
+       .size = {
+               .width = 276,
+               .height = 156,
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
 static const struct drm_display_mode auo_b133xtn01_mode = {
        .clock = 69500,
        .hdisplay = 1366,
@@ -589,6 +675,34 @@ static const struct panel_desc avic_tm070ddh03 = {
        },
 };
 
+static const struct drm_display_mode boe_nv125fhm_n73_mode = {
+       .clock = 72300,
+       .hdisplay = 1366,
+       .hsync_start = 1366 + 80,
+       .hsync_end = 1366 + 80 + 20,
+       .htotal = 1366 + 80 + 20 + 60,
+       .vdisplay = 768,
+       .vsync_start = 768 + 12,
+       .vsync_end = 768 + 12 + 2,
+       .vtotal = 768 + 12 + 2 + 8,
+       .vrefresh = 60,
+       .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc boe_nv125fhm_n73 = {
+       .modes = &boe_nv125fhm_n73_mode,
+       .num_modes = 1,
+       .bpc = 6,
+       .size = {
+               .width = 276,
+               .height = 156,
+       },
+       .delay = {
+               .unprepare = 160,
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
 static const struct drm_display_mode chunghwa_claa070wp03xg_mode = {
        .clock = 67000,
        .hdisplay = 800,
@@ -902,6 +1016,35 @@ static const struct panel_desc innolux_n116bge = {
        },
 };
 
+static const struct drm_display_mode innolux_n125hce_mode = {
+       .clock = 138780,
+       .hdisplay = 1920,
+       .hsync_start = 1920 + 80,
+       .hsync_end = 1920 + 80 + 30,
+       .htotal = 1920 + 80 + 30 + 50,
+       .vdisplay = 1080,
+       .vsync_start = 1080 + 12,
+       .vsync_end = 1080 + 12 + 4,
+       .vtotal = 1080 + 12 + 4 + 16,
+       .vrefresh = 60,
+       .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+static const struct panel_desc innolux_n125hce = {
+       .modes = &innolux_n125hce_mode,
+       .num_modes = 1,
+       .bpc = 6,
+       .size = {
+               .width = 283,
+               .height = 168,
+       },
+       .delay = {
+               .unprepare = 600,
+               .enable = 100,
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
 static const struct drm_display_mode innolux_n156bge_l21_mode = {
        .clock = 69300,
        .hdisplay = 1366,
@@ -972,6 +1115,31 @@ static const struct panel_desc lg_lb070wv8 = {
        .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
 };
 
+static const struct drm_display_mode sharp_lcd_f402_mode = {
+       .clock = 205000,
+       .hdisplay = 1536,
+       .hsync_start = 1536 + 12,
+       .hsync_end = 1536 + 12 + 48,
+       .htotal = 1536 + 12 + 48 + 16,
+       .vdisplay = 2048,
+       .vsync_start = 2048 + 8,
+       .vsync_end = 2048 + 8 + 8,
+       .vtotal = 2048 + 8 + 8 + 4,
+       .vrefresh = 60,
+       .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc sharp_lcd_f402 = {
+       .modes = &sharp_lcd_f402_mode,
+       .num_modes = 1,
+       .bpc = 8,
+       .size = {
+               .width = 95,
+               .height = 54,
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
 static const struct drm_display_mode lg_lp079qx1_sp0v_mode = {
        .clock = 200000,
        .hdisplay = 1536,
@@ -993,6 +1161,7 @@ static const struct panel_desc lg_lp079qx1_sp0v = {
                .width = 129,
                .height = 171,
        },
+       .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 };
 
 static const struct drm_display_mode lg_lp097qx1_spa1_mode = {
@@ -1211,6 +1380,9 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = {
 
 static const struct of_device_id platform_of_match[] = {
        {
+               .compatible = "simple-panel",
+               .data = NULL,
+       }, {
                .compatible = "ampire,am800480r3tmqwa1h",
                .data = &ampire_am800480r3tmqwa1h,
        }, {
@@ -1228,6 +1400,9 @@ static const struct of_device_id platform_of_match[] = {
        }, {
                .compatible = "auo,b116xw03",
                .data = &auo_b116xw03,
+       }, {
+               .compatible = "auo,b125han03",
+               .data = &auo_b125han03,
        }, {
                .compatible = "auo,b133htn01",
                .data = &auo_b133htn01,
@@ -1237,6 +1412,9 @@ static const struct of_device_id platform_of_match[] = {
        }, {
                .compatible = "avic,tm070ddh03",
                .data = &avic_tm070ddh03,
+       }, {
+               .compatible = "boe,nv125fhm-n73",
+               .data = &boe_nv125fhm_n73,
        }, {
                .compatible = "chunghwa,claa070wp03xg",
                .data = &chunghwa_claa070wp03xg,
@@ -1279,6 +1457,9 @@ static const struct of_device_id platform_of_match[] = {
        }, {
                .compatible = "innolux,n116bge",
                .data = &innolux_n116bge,
+       }, {
+               .compatible = "innolux,n125hce",
+               .data = &innolux_n125hce,
        }, {
                .compatible = "innolux,n156bge-l21",
                .data = &innolux_n156bge_l21,
@@ -1315,6 +1496,9 @@ static const struct of_device_id platform_of_match[] = {
        }, {
                .compatible = "samsung,ltn140at29-301",
                .data = &samsung_ltn140at29_301,
+       }, {
+               .compatible = "sharp,lcd-f402",
+               .data = &sharp_lcd_f402,
        }, {
                .compatible = "shelly,sca07010-bfn-lnn",
                .data = &shelly_sca07010_bfn_lnn,
@@ -1509,6 +1693,9 @@ static const struct panel_desc_dsi panasonic_vvx10f004b00 = {
 
 static const struct of_device_id dsi_of_match[] = {
        {
+               .compatible = "simple-panel-dsi",
+               .data = NULL
+       }, {
                .compatible = "auo,b080uan01",
                .data = &auo_b080uan01
        }, {
@@ -1533,6 +1720,8 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi)
 {
        const struct panel_desc_dsi *desc;
        const struct of_device_id *id;
+       const struct panel_desc *pdesc;
+       u32 val;
        int err;
 
        id = of_match_node(dsi_of_match, dsi->dev.of_node);
@@ -1541,13 +1730,27 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi)
 
        desc = id->data;
 
-       err = panel_simple_probe(&dsi->dev, &desc->desc);
+       if (desc) {
+               dsi->mode_flags = desc->flags;
+               dsi->format = desc->format;
+               dsi->lanes = desc->lanes;
+               pdesc = &desc->desc;
+       } else {
+               pdesc = NULL;
+       }
+
+       err = panel_simple_probe(&dsi->dev, pdesc);
        if (err < 0)
                return err;
 
-       dsi->mode_flags = desc->flags;
-       dsi->format = desc->format;
-       dsi->lanes = desc->lanes;
+       if (!of_property_read_u32(dsi->dev.of_node, "dsi,flags", &val))
+               dsi->mode_flags = val;
+
+       if (!of_property_read_u32(dsi->dev.of_node, "dsi,format", &val))
+               dsi->format = val;
+
+       if (!of_property_read_u32(dsi->dev.of_node, "dsi,lanes", &val))
+               dsi->lanes = val;
 
        return mipi_dsi_attach(dsi);
 }