[media] v4l: s5p-tv: hdmiphy: add support for per-platform variants

Adds selection of HDMIPHY configuration tables basing on both preset
and platform variant.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 188 insertions, 37 deletions

diff --git a/drivers/media/video/s5p-tv/hdmiphy_drv.c b/drivers/media/video/s5p-tv/hdmiphy_drv.c
index 0afef77747e..f67b3863180 100644
--- a/drivers/media/video/s5p-tv/hdmiphy_drv.c
+++ b/drivers/media/video/s5p-tv/hdmiphy_drv.c
@@ -26,53 +26,188 @@ MODULE_DESCRIPTION("Samsung HDMI Physical interface driver");
 MODULE_LICENSE("GPL");
 
 struct hdmiphy_conf {
-        u32 preset;
+        unsigned long pixclk;
         const u8 *data;
 };
 
-static const u8 hdmiphy_conf27[32] = {
-        0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
-        0x6B, 0x10, 0x02, 0x51, 0xDf, 0xF2, 0x54, 0x87,
-        0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
-        0x22, 0x40, 0xe3, 0x26, 0x00, 0x00, 0x00, 0x00,
+struct hdmiphy_ctx {
+        struct v4l2_subdev sd;
+        const struct hdmiphy_conf *conf_tab;
 };
 
-static const u8 hdmiphy_conf74_175[32] = {
-        0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
-        0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
-        0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
-        0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x00,
+static const struct hdmiphy_conf hdmiphy_conf_s5pv210[] = {
+        { .pixclk = 27000000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
+                0x6B, 0x10, 0x02, 0x52, 0xDF, 0xF2, 0x54, 0x87,
+                0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00, }
+        },
+        { .pixclk = 27027000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
+                0x6B, 0x10, 0x02, 0x52, 0xDF, 0xF2, 0x54, 0x87,
+                0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x22, 0x40, 0xE2, 0x26, 0x00, 0x00, 0x00, 0x00, }
+        },
+        { .pixclk = 74176000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xEF, 0x5B,
+                0x6D, 0x10, 0x01, 0x52, 0xEF, 0xF3, 0x54, 0xB9,
+                0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x22, 0x40, 0xA5, 0x26, 0x01, 0x00, 0x00, 0x00, }
+        },
+        { .pixclk = 74250000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xF8, 0x40,
+                0x6A, 0x10, 0x01, 0x52, 0xFF, 0xF1, 0x54, 0xBA,
+                0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x22, 0x40, 0xA4, 0x26, 0x01, 0x00, 0x00, 0x00, }
+        },
+        { /* end marker */ }
 };
 
-static const u8 hdmiphy_conf74_25[32] = {
-        0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
-        0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
-        0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xe0,
-        0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x00,
+static const struct hdmiphy_conf hdmiphy_conf_exynos4210[] = {
+        { .pixclk = 27000000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
+                0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
+                0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00, }
+        },
+        { .pixclk = 27027000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
+                0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
+                0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x22, 0x40, 0xE2, 0x26, 0x00, 0x00, 0x00, 0x00, }
+        },
+        { .pixclk = 74176000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xEF, 0x5B,
+                0x6D, 0x10, 0x01, 0x51, 0xEF, 0xF3, 0x54, 0xB9,
+                0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x22, 0x40, 0xA5, 0x26, 0x01, 0x00, 0x00, 0x00, }
+        },
+        { .pixclk = 74250000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xF8, 0x40,
+                0x6A, 0x10, 0x01, 0x51, 0xFF, 0xF1, 0x54, 0xBA,
+                0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x22, 0x40, 0xA4, 0x26, 0x01, 0x00, 0x00, 0x00, }
+        },
+        { .pixclk = 148352000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xEF, 0x5B,
+                0x6D, 0x18, 0x00, 0x51, 0xEF, 0xF3, 0x54, 0xB9,
+                0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x11, 0x40, 0xA5, 0x26, 0x02, 0x00, 0x00, 0x00, }
+        },
+        { .pixclk = 148500000, .data = (u8 [32]) {
+                0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xF8, 0x40,
+                0x6A, 0x18, 0x00, 0x51, 0xFF, 0xF1, 0x54, 0xBA,
+                0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
+                0x11, 0x40, 0xA4, 0x26, 0x02, 0x00, 0x00, 0x00, }
+        },
+        { /* end marker */ }
 };
 
-static const u8 hdmiphy_conf148_5[32] = {
-        0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
-        0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
-        0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
-        0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x00,
+static const struct hdmiphy_conf hdmiphy_conf_exynos4212[] = {
+        { .pixclk = 27000000, .data = (u8 [32]) {
+                0x01, 0x11, 0x2D, 0x75, 0x00, 0x01, 0x00, 0x08,
+                0x82, 0x00, 0x0E, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+                0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x71,
+                0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { .pixclk = 27027000, .data = (u8 [32]) {
+                0x01, 0x91, 0x2D, 0x72, 0x00, 0x64, 0x12, 0x08,
+                0x43, 0x20, 0x0E, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+                0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x71,
+                0x54, 0xE2, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { .pixclk = 74176000, .data = (u8 [32]) {
+                0x01, 0x91, 0x3E, 0x35, 0x00, 0x5B, 0xDE, 0x08,
+                0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+                0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x52,
+                0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { .pixclk = 74250000, .data = (u8 [32]) {
+                0x01, 0x91, 0x3E, 0x35, 0x00, 0x40, 0xF0, 0x08,
+                0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+                0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x52,
+                0x54, 0xA4, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { .pixclk = 148500000, .data = (u8 [32]) {
+                0x01, 0x91, 0x3E, 0x15, 0x00, 0x40, 0xF0, 0x08,
+                0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+                0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0xA4,
+                0x54, 0x4A, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { /* end marker */ }
 };
 
-static const struct hdmiphy_conf hdmiphy_conf[] = {
-        { V4L2_DV_480P59_94, hdmiphy_conf27 },
-        { V4L2_DV_1080P30, hdmiphy_conf74_175 },
-        { V4L2_DV_720P59_94, hdmiphy_conf74_175 },
-        { V4L2_DV_720P60, hdmiphy_conf74_25 },
-        { V4L2_DV_1080P50, hdmiphy_conf148_5 },
-        { V4L2_DV_1080P60, hdmiphy_conf148_5 },
+static const struct hdmiphy_conf hdmiphy_conf_exynos4412[] = {
+        { .pixclk = 27000000, .data = (u8 [32]) {
+                0x01, 0x11, 0x2D, 0x75, 0x40, 0x01, 0x00, 0x08,
+                0x82, 0x00, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+                0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+                0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { .pixclk = 27027000, .data = (u8 [32]) {
+                0x01, 0x91, 0x2D, 0x72, 0x40, 0x64, 0x12, 0x08,
+                0x43, 0x20, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+                0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+                0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { .pixclk = 74176000, .data = (u8 [32]) {
+                0x01, 0x91, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0x08,
+                0x81, 0x20, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+                0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+                0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { .pixclk = 74250000, .data = (u8 [32]) {
+                0x01, 0x91, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
+                0x81, 0x20, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+                0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+                0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { .pixclk = 148500000, .data = (u8 [32]) {
+                0x01, 0x91, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
+                0x81, 0x20, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+                0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+                0x54, 0x4B, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00, }
+        },
+        { /* end marker */ }
 };
 
-const u8 *hdmiphy_preset2conf(u32 preset)
+static inline struct hdmiphy_ctx *sd_to_ctx(struct v4l2_subdev *sd)
+{
+        return container_of(sd, struct hdmiphy_ctx, sd);
+}
+
+static unsigned long hdmiphy_preset_to_pixclk(u32 preset)
+{
+        static const unsigned long pixclk[] = {
+                [V4L2_DV_480P59_94] =  27000000,
+                [V4L2_DV_576P50]    =  27000000,
+                [V4L2_DV_720P59_94] =  74176000,
+                [V4L2_DV_720P50]    =  74250000,
+                [V4L2_DV_720P60]    =  74250000,
+                [V4L2_DV_1080P24]   =  74250000,
+                [V4L2_DV_1080P30]   =  74250000,
+                [V4L2_DV_1080I50]   =  74250000,
+                [V4L2_DV_1080I60]   =  74250000,
+                [V4L2_DV_1080P50]   = 148500000,
+                [V4L2_DV_1080P60]   = 148500000,
+        };
+        if (preset < ARRAY_SIZE(pixclk))
+                return pixclk[preset];
+        else
+                return 0;
+}
+
+static const u8 *hdmiphy_find_conf(u32 preset, const struct hdmiphy_conf *conf)
 {
-        int i;
-        for (i = 0; i < ARRAY_SIZE(hdmiphy_conf); ++i)
-                if (hdmiphy_conf[i].preset == preset)
-                        return hdmiphy_conf[i].data;
+        unsigned long pixclk;
+
+        pixclk = hdmiphy_preset_to_pixclk(preset);
+        if (!pixclk)
+                return NULL;
+
+        for (; conf->pixclk; ++conf)
+                if (conf->pixclk == pixclk)
+                        return conf->data;
         return NULL;
 }
 
@@ -88,11 +223,12 @@ static int hdmiphy_s_dv_preset(struct v4l2_subdev *sd,
         const u8 *data;
         u8 buffer[32];
         int ret;
+        struct hdmiphy_ctx *ctx = sd_to_ctx(sd);
         struct i2c_client *client = v4l2_get_subdevdata(sd);
         struct device *dev = &client->dev;
 
         dev_info(dev, "s_dv_preset(preset = %d)\n", preset->preset);
-        data = hdmiphy_preset2conf(preset->preset);
+        data = hdmiphy_find_conf(preset->preset, ctx->conf_tab);
         if (!data) {
                 dev_err(dev, "format not supported\n");
                 return -EINVAL;
@@ -146,21 +282,36 @@ static const struct v4l2_subdev_ops hdmiphy_ops = {
 static int __devinit hdmiphy_probe(struct i2c_client *client,
         const struct i2c_device_id *id)
 {
-        static struct v4l2_subdev sd;
+        struct hdmiphy_ctx *ctx;
+
+        ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
+        if (!ctx)
+                return -ENOMEM;
+
+        ctx->conf_tab = (struct hdmiphy_conf *)id->driver_data;
+        v4l2_i2c_subdev_init(&ctx->sd, client, &hdmiphy_ops);
 
-        v4l2_i2c_subdev_init(&sd, client, &hdmiphy_ops);
         dev_info(&client->dev, "probe successful\n");
         return 0;
 }
 
 static int __devexit hdmiphy_remove(struct i2c_client *client)
 {
+        struct v4l2_subdev *sd = i2c_get_clientdata(client);
+        struct hdmiphy_ctx *ctx = sd_to_ctx(sd);
+
+        kfree(ctx);
         dev_info(&client->dev, "remove successful\n");
+
         return 0;
 }
 
 static const struct i2c_device_id hdmiphy_id[] = {
-        { "hdmiphy", 0 },
+        { "hdmiphy", (unsigned long)hdmiphy_conf_exynos4210 },
+        { "hdmiphy-s5pv210", (unsigned long)hdmiphy_conf_s5pv210 },
+        { "hdmiphy-exynos4210", (unsigned long)hdmiphy_conf_exynos4210 },
+        { "hdmiphy-exynos4212", (unsigned long)hdmiphy_conf_exynos4212 },
+        { "hdmiphy-exynos4412", (unsigned long)hdmiphy_conf_exynos4412 },
         { },
 };
 MODULE_DEVICE_TABLE(i2c, hdmiphy_id);