X-Git-Url: http://plrg.eecs.uci.edu/git/?p=firefly-linux-kernel-4.4.55.git;a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fpanel%2Fpanel-simple.c;h=7ed53fccb5eaf9ad5ad6f999fdc7861d5ab6014c;hp=f97b73ec4713722ae3af5a05ba048ea95042e4e0;hb=e8308567c1c6ee659fd464d6d27632731833f03b;hpb=36aea585a1103b8c2a1de04637b8a4326b92c254

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index f97b73ec4713..7ed53fccb5ea 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -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);
@@ -440,6 +501,29 @@ static const struct panel_desc auo_b101ean01 = {
 	},
 };
 
+static const struct drm_display_mode auo_b101ew05_mode = {
+	.clock = 71000,
+	.hdisplay = 1280,
+	.hsync_start = 1280 + 18,
+	.hsync_end = 1280 + 18 + 10,
+	.htotal = 1280 + 18 + 10 + 100,
+	.vdisplay = 800,
+	.vsync_start = 800 + 6,
+	.vsync_end = 800 + 6 + 2,
+	.vtotal = 800 + 6 + 2 + 8,
+	.vrefresh = 60,
+};
+
+static const struct panel_desc auo_b101ew05 = {
+	.modes = &auo_b101ew05_mode,
+	.num_modes = 1,
+	.bpc = 6,
+	.size = {
+		.width = 217,
+		.height = 136,
+	},
+};
+
 static const struct drm_display_mode auo_b101xtn01_mode = {
 	.clock = 72000,
 	.hdisplay = 1366,
@@ -487,6 +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,
@@ -566,6 +675,57 @@ 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,
+	.hsync_start = 800 + 24,
+	.hsync_end = 800 + 24 + 16,
+	.htotal = 800 + 24 + 16 + 24,
+	.vdisplay = 1280,
+	.vsync_start = 1280 + 2,
+	.vsync_end = 1280 + 2 + 2,
+	.vtotal = 1280 + 2 + 2 + 4,
+	.vrefresh = 60,
+};
+
+static const struct panel_desc chunghwa_claa070wp03xg = {
+	.modes = &chunghwa_claa070wp03xg_mode,
+	.num_modes = 1,
+	.bpc = 6,
+	.size = {
+		.width = 94,
+		.height = 151,
+	},
+};
+
 static const struct drm_display_mode chunghwa_claa101wa01a_mode = {
 	.clock = 72070,
 	.hdisplay = 1366,
@@ -856,6 +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,
@@ -926,6 +1115,77 @@ 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,
+	.hsync_start = 1536 + 12,
+	.hsync_end = 1536 + 12 + 16,
+	.htotal = 1536 + 12 + 16 + 48,
+	.vdisplay = 2048,
+	.vsync_start = 2048 + 8,
+	.vsync_end = 2048 + 8 + 4,
+	.vtotal = 2048 + 8 + 4 + 8,
+	.vrefresh = 60,
+	.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc lg_lp079qx1_sp0v = {
+	.modes = &lg_lp079qx1_sp0v_mode,
+	.num_modes = 1,
+	.size = {
+		.width = 129,
+		.height = 171,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
+static const struct drm_display_mode lg_lp097qx1_spa1_mode = {
+	.clock = 205210,
+	.hdisplay = 2048,
+	.hsync_start = 2048 + 150,
+	.hsync_end = 2048 + 150 + 5,
+	.htotal = 2048 + 150 + 5 + 5,
+	.vdisplay = 1536,
+	.vsync_start = 1536 + 3,
+	.vsync_end = 1536 + 3 + 1,
+	.vtotal = 1536 + 3 + 1 + 9,
+	.vrefresh = 60,
+};
+
+static const struct panel_desc lg_lp097qx1_spa1 = {
+	.modes = &lg_lp097qx1_spa1_mode,
+	.num_modes = 1,
+	.size = {
+		.width = 320,
+		.height = 187,
+	},
+};
+
 static const struct drm_display_mode lg_lp129qe_mode = {
 	.clock = 285250,
 	.hdisplay = 2560,
@@ -1027,6 +1287,28 @@ static const struct panel_desc ortustech_com43h4m85ulc = {
 	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 };
 
+static const struct drm_display_mode samsung_lsn122dl01_c01_mode = {
+	.clock = 271560,
+	.hdisplay = 2560,
+	.hsync_start = 2560 + 48,
+	.hsync_end = 2560 + 48 + 32,
+	.htotal = 2560 + 48 + 32 + 80,
+	.vdisplay = 1600,
+	.vsync_start = 1600 + 2,
+	.vsync_end = 1600 + 2 + 5,
+	.vtotal = 1600 + 2 + 5 + 57,
+	.vrefresh = 60,
+};
+
+static const struct panel_desc samsung_lsn122dl01_c01 = {
+	.modes = &samsung_lsn122dl01_c01_mode,
+	.num_modes = 1,
+	.size = {
+		.width = 2560,
+		.height = 1600,
+	},
+};
+
 static const struct drm_display_mode samsung_ltn101nt05_mode = {
 	.clock = 54030,
 	.hdisplay = 1024,
@@ -1098,6 +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,
 	}, {
@@ -1106,12 +1391,18 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "auo,b101ean01",
 		.data = &auo_b101ean01,
+	}, {
+		.compatible = "auo,b101ew05",
+		.data = &auo_b101ew05,
 	}, {
 		.compatible = "auo,b101xtn01",
 		.data = &auo_b101xtn01,
 	}, {
 		.compatible = "auo,b116xw03",
 		.data = &auo_b116xw03,
+	}, {
+		.compatible = "auo,b125han03",
+		.data = &auo_b125han03,
 	}, {
 		.compatible = "auo,b133htn01",
 		.data = &auo_b133htn01,
@@ -1121,6 +1412,12 @@ 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,
 	}, {
 		.compatible = "chunghwa,claa101wa01a",
 		.data = &chunghwa_claa101wa01a
@@ -1160,6 +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,
@@ -1169,6 +1469,12 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "lg,lb070wv8",
 		.data = &lg_lb070wv8,
+	}, {
+		.compatible = "lg,lp079qx1-sp0v",
+		.data = &lg_lp079qx1_sp0v,
+	}, {
+		.compatible = "lg,lp097qx1-spa1",
+		.data = &lg_lp097qx1_spa1,
 	}, {
 		.compatible = "lg,lp129qe",
 		.data = &lg_lp129qe,
@@ -1181,12 +1487,18 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "ortustech,com43h4m85ulc",
 		.data = &ortustech_com43h4m85ulc,
+	}, {
+		.compatible = "samsung,lsn122dl01-c01",
+		.data = &samsung_lsn122dl01_c01,
 	}, {
 		.compatible = "samsung,ltn101nt05",
 		.data = &samsung_ltn101nt05,
 	}, {
 		.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,
@@ -1263,6 +1575,36 @@ static const struct panel_desc_dsi auo_b080uan01 = {
 	.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,
@@ -1348,10 +1690,17 @@ static const struct panel_desc_dsi panasonic_vvx10f004b00 = {
 	.lanes = 4,
 };
 
+
 static const struct of_device_id dsi_of_match[] = {
 	{
+		.compatible = "simple-panel-dsi",
+		.data = NULL
+	}, {
 		.compatible = "auo,b080uan01",
 		.data = &auo_b080uan01
+	}, {
+		.compatible = "boe,tv080wum-nl0",
+		.data = &boe_tv080wum_nl0
 	}, {
 		.compatible = "lg,ld070wx3-sl01",
 		.data = &lg_ld070wx3_sl01
@@ -1371,6 +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);
@@ -1379,13 +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);
 }