drm/panel: support get bus_format from device-tree

copy include/uapi/linux/media-bus-format.h to include/dt-bindings/display/media-bus-format.h
So we can use media bus format on device-tree.

Change-Id: I8f63856c4d61c77958c24cd5a4436050b85a093c
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 3c36215745a0531b35a471bfc2352ba2d8c48cb1..65a00d252ab7d80aa6c755b18838be02a48a269a 100644 (file)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -323,15 +323,29 @@ 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;
        int err;
 
        panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
        if (!panel)
                return -ENOMEM;
 
+       if (!desc) {
+               u32 val;
+
+               of_desc = devm_kzalloc(dev, sizeof(*of_desc), GFP_KERNEL);
+               if (!of_desc)
+                       return -ENOMEM;
+               of_desc->num_modes = 0;
+               if (!of_property_read_u32(dev->of_node, "bus-format", &val))
+                       of_desc->bus_format = val;
+               else
+                       of_desc->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+       }
+
        panel->enabled = false;
        panel->prepared = false;
-       panel->desc = desc;
+       panel->desc = desc ? desc : of_desc;
        panel->dev = dev;
 
        panel->supply = devm_regulator_get(dev, "power");

diff --git a/include/dt-bindings/display/media-bus-format.h b/include/dt-bindings/display/media-bus-format.h
new file mode 100644 (file)
index 0000000..190d491
--- /dev/null
+++ b/include/dt-bindings/display/media-bus-format.h
@@ -0,0 +1,137 @@
+/*
+ * Media Bus API header
+ *
+ * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MEDIA_BUS_FORMAT_H
+#define __LINUX_MEDIA_BUS_FORMAT_H
+
+/*
+ * These bus formats uniquely identify data formats on the data bus. Format 0
+ * is reserved, MEDIA_BUS_FMT_FIXED shall be used by host-client pairs, where
+ * the data format is fixed. Additionally, "2X8" means that one pixel is
+ * transferred in two 8-bit samples, "BE" or "LE" specify in which order those
+ * samples are transferred over the bus: "LE" means that the least significant
+ * bits are transferred first, "BE" means that the most significant bits are
+ * transferred first, and "PADHI" and "PADLO" define which bits - low or high,
+ * in the incomplete high byte, are filled with padding bits.
+ *
+ * The bus formats are grouped by type, bus_width, bits per component, samples
+ * per pixel and order of subsamples. Numerical values are sorted using generic
+ * numerical sort order (8 thus comes before 10).
+ *
+ * As their value can't change when a new bus format is inserted in the
+ * enumeration, the bus formats are explicitly given a numerical value. The next
+ * free values for each category are listed below, update them when inserting
+ * new pixel codes.
+ */
+
+#define MEDIA_BUS_FMT_FIXED                    0x0001
+
+/* RGB - next is       0x1018 */
+#define MEDIA_BUS_FMT_RGB444_1X12              0x1016
+#define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE      0x1001
+#define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE      0x1002
+#define MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE      0x1003
+#define MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE      0x1004
+#define MEDIA_BUS_FMT_RGB565_1X16              0x1017
+#define MEDIA_BUS_FMT_BGR565_2X8_BE            0x1005
+#define MEDIA_BUS_FMT_BGR565_2X8_LE            0x1006
+#define MEDIA_BUS_FMT_RGB565_2X8_BE            0x1007
+#define MEDIA_BUS_FMT_RGB565_2X8_LE            0x1008
+#define MEDIA_BUS_FMT_RGB666_1X18              0x1009
+#define MEDIA_BUS_FMT_RBG888_1X24              0x100e
+#define MEDIA_BUS_FMT_RGB666_1X24_CPADHI       0x1015
+#define MEDIA_BUS_FMT_RGB666_1X7X3_SPWG                0x1010
+#define MEDIA_BUS_FMT_BGR888_1X24              0x1013
+#define MEDIA_BUS_FMT_GBR888_1X24              0x1014
+#define MEDIA_BUS_FMT_RGB888_1X24              0x100a
+#define MEDIA_BUS_FMT_RGB888_2X12_BE           0x100b
+#define MEDIA_BUS_FMT_RGB888_2X12_LE           0x100c
+#define MEDIA_BUS_FMT_RGB888_1X7X4_SPWG                0x1011
+#define MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA       0x1012
+#define MEDIA_BUS_FMT_ARGB8888_1X32            0x100d
+#define MEDIA_BUS_FMT_RGB888_1X32_PADHI                0x100f
+
+/* YUV (including grey) - next is      0x2026 */
+#define MEDIA_BUS_FMT_Y8_1X8                   0x2001
+#define MEDIA_BUS_FMT_UV8_1X8                  0x2015
+#define MEDIA_BUS_FMT_UYVY8_1_5X8              0x2002
+#define MEDIA_BUS_FMT_VYUY8_1_5X8              0x2003
+#define MEDIA_BUS_FMT_YUYV8_1_5X8              0x2004
+#define MEDIA_BUS_FMT_YVYU8_1_5X8              0x2005
+#define MEDIA_BUS_FMT_UYVY8_2X8                        0x2006
+#define MEDIA_BUS_FMT_VYUY8_2X8                        0x2007
+#define MEDIA_BUS_FMT_YUYV8_2X8                        0x2008
+#define MEDIA_BUS_FMT_YVYU8_2X8                        0x2009
+#define MEDIA_BUS_FMT_Y10_1X10                 0x200a
+#define MEDIA_BUS_FMT_UYVY10_2X10              0x2018
+#define MEDIA_BUS_FMT_VYUY10_2X10              0x2019
+#define MEDIA_BUS_FMT_YUYV10_2X10              0x200b
+#define MEDIA_BUS_FMT_YVYU10_2X10              0x200c
+#define MEDIA_BUS_FMT_Y12_1X12                 0x2013
+#define MEDIA_BUS_FMT_UYVY12_2X12              0x201c
+#define MEDIA_BUS_FMT_VYUY12_2X12              0x201d
+#define MEDIA_BUS_FMT_YUYV12_2X12              0x201e
+#define MEDIA_BUS_FMT_YVYU12_2X12              0x201f
+#define MEDIA_BUS_FMT_UYVY8_1X16               0x200f
+#define MEDIA_BUS_FMT_VYUY8_1X16               0x2010
+#define MEDIA_BUS_FMT_YUYV8_1X16               0x2011
+#define MEDIA_BUS_FMT_YVYU8_1X16               0x2012
+#define MEDIA_BUS_FMT_YDYUYDYV8_1X16           0x2014
+#define MEDIA_BUS_FMT_UYVY10_1X20              0x201a
+#define MEDIA_BUS_FMT_VYUY10_1X20              0x201b
+#define MEDIA_BUS_FMT_YUYV10_1X20              0x200d
+#define MEDIA_BUS_FMT_YVYU10_1X20              0x200e
+#define MEDIA_BUS_FMT_VUY8_1X24                        0x2024
+#define MEDIA_BUS_FMT_YUV8_1X24                        0x2025
+#define MEDIA_BUS_FMT_UYVY12_1X24              0x2020
+#define MEDIA_BUS_FMT_VYUY12_1X24              0x2021
+#define MEDIA_BUS_FMT_YUYV12_1X24              0x2022
+#define MEDIA_BUS_FMT_YVYU12_1X24              0x2023
+#define MEDIA_BUS_FMT_YUV10_1X30               0x2016
+#define MEDIA_BUS_FMT_AYUV8_1X32               0x2017
+
+/* Bayer - next is     0x3019 */
+#define MEDIA_BUS_FMT_SBGGR8_1X8               0x3001
+#define MEDIA_BUS_FMT_SGBRG8_1X8               0x3013
+#define MEDIA_BUS_FMT_SGRBG8_1X8               0x3002
+#define MEDIA_BUS_FMT_SRGGB8_1X8               0x3014
+#define MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8                0x3015
+#define MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8                0x3016
+#define MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8                0x3017
+#define MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8                0x3018
+#define MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8                0x300b
+#define MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8                0x300c
+#define MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8                0x3009
+#define MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8                0x300d
+#define MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE     0x3003
+#define MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE     0x3004
+#define MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE     0x3005
+#define MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE     0x3006
+#define MEDIA_BUS_FMT_SBGGR10_1X10             0x3007
+#define MEDIA_BUS_FMT_SGBRG10_1X10             0x300e
+#define MEDIA_BUS_FMT_SGRBG10_1X10             0x300a
+#define MEDIA_BUS_FMT_SRGGB10_1X10             0x300f
+#define MEDIA_BUS_FMT_SBGGR12_1X12             0x3008
+#define MEDIA_BUS_FMT_SGBRG12_1X12             0x3010
+#define MEDIA_BUS_FMT_SGRBG12_1X12             0x3011
+#define MEDIA_BUS_FMT_SRGGB12_1X12             0x3012
+
+/* JPEG compressed formats - next is   0x4002 */
+#define MEDIA_BUS_FMT_JPEG_1X8                 0x4001
+
+/* Vendor specific formats - next is   0x5002 */
+
+/* S5C73M3 sensor specific interleaved UYVY and JPEG */
+#define MEDIA_BUS_FMT_S5C_UYVY_JPEG_1X8                0x5001
+
+/* HSV - next is       0x6002 */
+#define MEDIA_BUS_FMT_AHSV8888_1X32            0x6001
+
+#endif /* __LINUX_MEDIA_BUS_FORMAT_H */