/* #define EXT_CLOCK 24000000 */
/************************************************************************
-
-
macro
-
-
************************************************************************/
/*
* frame size
#define VAR8(id, offset) _VAR(id, offset, 0x8000)
/************************************************************************
-
-
struct
-
-
************************************************************************/
-struct mt9t112_frame_size {
- u16 width;
- u16 height;
-};
-
struct mt9t112_format {
enum v4l2_mbus_pixelcode code;
enum v4l2_colorspace colorspace;
struct mt9t112_camera_info *info;
struct i2c_client *client;
struct soc_camera_device icd;
- struct mt9t112_frame_size frame;
+ struct v4l2_rect frame;
const struct mt9t112_format *format;
int model;
u32 flags;
/* for flags */
-#define INIT_DONE (1<<0)
+#define INIT_DONE (1 << 0)
+#define PCLK_RISING (1 << 1)
};
/************************************************************************
-
-
supported format
-
-
************************************************************************/
static const struct mt9t112_format mt9t112_cfmts[] = {
};
/************************************************************************
-
-
general function
-
-
************************************************************************/
static struct mt9t112_priv *to_mt9t112(const struct i2c_client *client)
{
}
#endif
-static void mt9t112_frame_check(u32 *width, u32 *height)
+static void mt9t112_frame_check(u32 *width, u32 *height, u32 *left, u32 *top)
{
- if (*width > MAX_WIDTH)
- *width = MAX_WIDTH;
-
- if (*height > MAX_HEIGHT)
- *height = MAX_HEIGHT;
+ soc_camera_limit_side(left, width, 0, 0, MAX_WIDTH);
+ soc_camera_limit_side(top, height, 0, 0, MAX_HEIGHT);
}
static int mt9t112_set_a_frame_size(const struct i2c_client *client,
}
/************************************************************************
-
-
- soc_camera_ops
-
-
-************************************************************************/
-static int mt9t112_set_bus_param(struct soc_camera_device *icd,
- unsigned long flags)
-{
- return 0;
-}
-
-static unsigned long mt9t112_query_bus_param(struct soc_camera_device *icd)
-{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
- struct mt9t112_priv *priv = to_mt9t112(client);
- struct soc_camera_link *icl = to_soc_camera_link(icd);
- unsigned long flags = SOCAM_MASTER | SOCAM_VSYNC_ACTIVE_HIGH |
- SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_DATA_ACTIVE_HIGH;
-
- flags |= (priv->info->flags & MT9T112_FLAG_PCLK_RISING_EDGE) ?
- SOCAM_PCLK_SAMPLE_RISING : SOCAM_PCLK_SAMPLE_FALLING;
-
- if (priv->info->flags & MT9T112_FLAG_DATAWIDTH_8)
- flags |= SOCAM_DATAWIDTH_8;
- else
- flags |= SOCAM_DATAWIDTH_10;
-
- return soc_camera_apply_sensor_flags(icl, flags);
-}
-
-static struct soc_camera_ops mt9t112_ops = {
- .set_bus_param = mt9t112_set_bus_param,
- .query_bus_param = mt9t112_query_bus_param,
-};
-
-/************************************************************************
-
-
v4l2_subdev_core_ops
-
-
************************************************************************/
static int mt9t112_g_chip_ident(struct v4l2_subdev *sd,
struct v4l2_dbg_chip_ident *id)
/************************************************************************
-
-
v4l2_subdev_video_ops
-
-
************************************************************************/
static int mt9t112_s_stream(struct v4l2_subdev *sd, int enable)
{
}
if (!(priv->flags & INIT_DONE)) {
- u16 param = (MT9T112_FLAG_PCLK_RISING_EDGE &
- priv->info->flags) ? 0x0001 : 0x0000;
+ u16 param = PCLK_RISING & priv->flags ? 0x0001 : 0x0000;
ECHECKER(ret, mt9t112_init_camera(client));
return ret;
}
-static int mt9t112_set_params(struct i2c_client *client, u32 width, u32 height,
+static int mt9t112_set_params(struct mt9t112_priv *priv,
+ const struct v4l2_rect *rect,
enum v4l2_mbus_pixelcode code)
{
- struct mt9t112_priv *priv = to_mt9t112(client);
int i;
- priv->format = NULL;
-
- /*
- * frame size check
- */
- mt9t112_frame_check(&width, &height);
-
/*
* get color format
*/
if (i == ARRAY_SIZE(mt9t112_cfmts))
return -EINVAL;
- priv->frame.width = (u16)width;
- priv->frame.height = (u16)height;
+ priv->frame = *rect;
+
+ /*
+ * frame size check
+ */
+ mt9t112_frame_check(&priv->frame.width, &priv->frame.height,
+ &priv->frame.left, &priv->frame.top);
priv->format = mt9t112_cfmts + i;
{
a->bounds.left = 0;
a->bounds.top = 0;
- a->bounds.width = VGA_WIDTH;
- a->bounds.height = VGA_HEIGHT;
- a->defrect = a->bounds;
+ a->bounds.width = MAX_WIDTH;
+ a->bounds.height = MAX_HEIGHT;
+ a->defrect.left = 0;
+ a->defrect.top = 0;
+ a->defrect.width = VGA_WIDTH;
+ a->defrect.height = VGA_HEIGHT;
a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
a->pixelaspect.numerator = 1;
a->pixelaspect.denominator = 1;
static int mt9t112_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
{
- a->c.left = 0;
- a->c.top = 0;
- a->c.width = VGA_WIDTH;
- a->c.height = VGA_HEIGHT;
- a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct mt9t112_priv *priv = to_mt9t112(client);
+
+ a->c = priv->frame;
+ a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
return 0;
}
static int mt9t112_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct mt9t112_priv *priv = to_mt9t112(client);
struct v4l2_rect *rect = &a->c;
- return mt9t112_set_params(client, rect->width, rect->height,
- V4L2_MBUS_FMT_UYVY8_2X8);
+ return mt9t112_set_params(priv, rect, priv->format->code);
}
static int mt9t112_g_fmt(struct v4l2_subdev *sd,
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct mt9t112_priv *priv = to_mt9t112(client);
- if (!priv->format) {
- int ret = mt9t112_set_params(client, VGA_WIDTH, VGA_HEIGHT,
- V4L2_MBUS_FMT_UYVY8_2X8);
- if (ret < 0)
- return ret;
- }
-
mf->width = priv->frame.width;
mf->height = priv->frame.height;
- /* TODO: set colorspace */
+ mf->colorspace = priv->format->colorspace;
mf->code = priv->format->code;
mf->field = V4L2_FIELD_NONE;
struct v4l2_mbus_framefmt *mf)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct mt9t112_priv *priv = to_mt9t112(client);
+ struct v4l2_rect rect = {
+ .width = mf->width,
+ .height = mf->height,
+ .left = priv->frame.left,
+ .top = priv->frame.top,
+ };
+ int ret;
+
+ ret = mt9t112_set_params(priv, &rect, mf->code);
- /* TODO: set colorspace */
- return mt9t112_set_params(client, mf->width, mf->height, mf->code);
+ if (!ret)
+ mf->colorspace = priv->format->colorspace;
+
+ return ret;
}
static int mt9t112_try_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *mf)
{
- mt9t112_frame_check(&mf->width, &mf->height);
+ unsigned int top, left;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(mt9t112_cfmts); i++)
+ if (mt9t112_cfmts[i].code == mf->code)
+ break;
+
+ if (i == ARRAY_SIZE(mt9t112_cfmts)) {
+ mf->code = V4L2_MBUS_FMT_UYVY8_2X8;
+ mf->colorspace = V4L2_COLORSPACE_JPEG;
+ } else {
+ mf->colorspace = mt9t112_cfmts[i].colorspace;
+ }
+
+ mt9t112_frame_check(&mf->width, &mf->height, &left, &top);
- /* TODO: set colorspace */
mf->field = V4L2_FIELD_NONE;
return 0;
return -EINVAL;
*code = mt9t112_cfmts[index].code;
+
+ return 0;
+}
+
+static int mt9t112_g_mbus_config(struct v4l2_subdev *sd,
+ struct v4l2_mbus_config *cfg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl = to_soc_camera_link(icd);
+
+ cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_VSYNC_ACTIVE_HIGH |
+ V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_DATA_ACTIVE_HIGH |
+ V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING;
+ cfg->type = V4L2_MBUS_PARALLEL;
+ cfg->flags = soc_camera_apply_board_flags(icl, cfg);
+
+ return 0;
+}
+
+static int mt9t112_s_mbus_config(struct v4l2_subdev *sd,
+ const struct v4l2_mbus_config *cfg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl = to_soc_camera_link(icd);
+ struct mt9t112_priv *priv = to_mt9t112(client);
+
+ if (soc_camera_apply_board_flags(icl, cfg) & V4L2_MBUS_PCLK_SAMPLE_RISING)
+ priv->flags |= PCLK_RISING;
+
return 0;
}
.g_crop = mt9t112_g_crop,
.s_crop = mt9t112_s_crop,
.enum_mbus_fmt = mt9t112_enum_fmt,
+ .g_mbus_config = mt9t112_g_mbus_config,
+ .s_mbus_config = mt9t112_s_mbus_config,
};
/************************************************************************
-
-
i2c driver
-
-
************************************************************************/
static struct v4l2_subdev_ops mt9t112_subdev_ops = {
.core = &mt9t112_subdev_core_ops,
static int mt9t112_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
- struct mt9t112_priv *priv;
- struct soc_camera_device *icd = client->dev.platform_data;
- struct soc_camera_link *icl;
- int ret;
+ struct mt9t112_priv *priv;
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl;
+ struct v4l2_rect rect = {
+ .width = VGA_WIDTH,
+ .height = VGA_HEIGHT,
+ .left = (MAX_WIDTH - VGA_WIDTH) / 2,
+ .top = (MAX_HEIGHT - VGA_HEIGHT) / 2,
+ };
+ int ret;
if (!icd) {
dev_err(&client->dev, "mt9t112: missing soc-camera data!\n");
v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops);
- icd->ops = &mt9t112_ops;
-
ret = mt9t112_camera_probe(icd, client);
- if (ret) {
- icd->ops = NULL;
+ if (ret)
kfree(priv);
- }
+
+ /* Cannot fail: using the default supported pixel code */
+ mt9t112_set_params(priv, &rect, V4L2_MBUS_FMT_UYVY8_2X8);
return ret;
}
static int mt9t112_remove(struct i2c_client *client)
{
struct mt9t112_priv *priv = to_mt9t112(client);
- struct soc_camera_device *icd = client->dev.platform_data;
- icd->ops = NULL;
kfree(priv);
return 0;
}
};
/************************************************************************
-
-
module function
-
-
************************************************************************/
static int __init mt9t112_module_init(void)
{
git.openpandora.org / pandora-kernel.git / blobdiff