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[media] v4l: s5p-tv: hdmiphy: add support for per-platform variants
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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>
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Tomasz Stanislawski authored and Mauro Carvalho Chehab committed May 20, 2012
1 parent c31e3c4 commit 2470ea3
Showing 1 changed file with 188 additions and 37 deletions.
225 changes: 188 additions & 37 deletions drivers/media/video/s5p-tv/hdmiphy_drv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
}

Expand All @@ -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;
Expand Down Expand Up @@ -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);
Expand Down

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