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V4L/DVB (7406): soc-camera: improve separation between soc_camera_ops and soc_camera_device 

In case of muliple cameras, handled by the same driver, they can support

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Guennadi Liakhovetski 2008-03-24 12:18:36 -03:00 committed by Mauro Carvalho Chehab
parent 8be38c815e
commit 26f1b94215
4 changed files with 38 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/media/video/mt9m001.c
View File

@ -410,11 +410,15 @@ const struct v4l2_queryctrl mt9m001_controls[] = {
}
};
static int mt9m001_get_control(struct soc_camera_device *icd, struct v4l2_control *ctrl);
static int mt9m001_set_control(struct soc_camera_device *icd, struct v4l2_control *ctrl);
static int mt9m001_video_probe(struct soc_camera_device *);
static void mt9m001_video_remove(struct soc_camera_device *);
static int mt9m001_get_control(struct soc_camera_device *, struct v4l2_control *);
static int mt9m001_set_control(struct soc_camera_device *, struct v4l2_control *);
static struct soc_camera_ops mt9m001_ops = {
.owner = THIS_MODULE,
.probe = mt9m001_video_probe,
.remove = mt9m001_video_remove,
.init = mt9m001_init,
.release = mt9m001_release,
.start_capture = mt9m001_start_capture,
@ -423,8 +427,6 @@ static struct soc_camera_ops mt9m001_ops = {
.try_fmt_cap = mt9m001_try_fmt_cap,
.set_bus_param = mt9m001_set_bus_param,
.query_bus_param = mt9m001_query_bus_param,
.formats = NULL, /* Filled in later depending on the */
.num_formats = 0, /* camera type and data widths */
.controls = mt9m001_controls,
.num_controls = ARRAY_SIZE(mt9m001_controls),
.get_control = mt9m001_get_control,
@ -573,19 +575,19 @@ static int mt9m001_video_probe(struct soc_camera_device *icd)
case 0x8411:
case 0x8421:
mt9m001->model = V4L2_IDENT_MT9M001C12ST;
mt9m001_ops.formats = mt9m001_colour_formats;
icd->formats = mt9m001_colour_formats;
if (mt9m001->client->dev.platform_data)
mt9m001_ops.num_formats = ARRAY_SIZE(mt9m001_colour_formats);
icd->num_formats = ARRAY_SIZE(mt9m001_colour_formats);
else
mt9m001_ops.num_formats = 1;
icd->num_formats = 1;
break;
case 0x8431:
mt9m001->model = V4L2_IDENT_MT9M001C12STM;
mt9m001_ops.formats = mt9m001_monochrome_formats;
icd->formats = mt9m001_monochrome_formats;
if (mt9m001->client->dev.platform_data)
mt9m001_ops.num_formats = ARRAY_SIZE(mt9m001_monochrome_formats);
icd->num_formats = ARRAY_SIZE(mt9m001_monochrome_formats);
else
mt9m001_ops.num_formats = 1;
icd->num_formats = 1;
break;
default:
ret = -ENODEV;
@ -646,8 +648,6 @@ static int mt9m001_probe(struct i2c_client *client)
/* Second stage probe - when a capture adapter is there */
icd = &mt9m001->icd;
icd->probe = mt9m001_video_probe;
icd->remove = mt9m001_video_remove;
icd->ops = &mt9m001_ops;
icd->control = &client->dev;
icd->x_min = 20;

26
drivers/media/video/mt9v022.c
View File

@ -506,13 +506,15 @@ const struct v4l2_queryctrl mt9v022_controls[] = {
}
};
static int mt9v022_get_control(struct soc_camera_device *icd,
struct v4l2_control *ctrl);
static int mt9v022_set_control(struct soc_camera_device *icd,
struct v4l2_control *ctrl);
static int mt9v022_video_probe(struct soc_camera_device *);
static void mt9v022_video_remove(struct soc_camera_device *);
static int mt9v022_get_control(struct soc_camera_device *, struct v4l2_control *);
static int mt9v022_set_control(struct soc_camera_device *, struct v4l2_control *);
static struct soc_camera_ops mt9v022_ops = {
.owner = THIS_MODULE,
.probe = mt9v022_video_probe,
.remove = mt9v022_video_remove,
.init = mt9v022_init,
.release = mt9v022_release,
.start_capture = mt9v022_start_capture,
@ -521,8 +523,6 @@ static struct soc_camera_ops mt9v022_ops = {
.try_fmt_cap = mt9v022_try_fmt_cap,
.set_bus_param = mt9v022_set_bus_param,
.query_bus_param = mt9v022_query_bus_param,
.formats = NULL, /* Filled in later depending on the */
.num_formats = 0, /* sensor type and data widths */
.controls = mt9v022_controls,
.num_controls = ARRAY_SIZE(mt9v022_controls),
.get_control = mt9v022_get_control,
@ -705,19 +705,19 @@ static int mt9v022_video_probe(struct soc_camera_device *icd)
!strcmp("color", sensor_type))) {
ret = reg_write(icd, MT9V022_PIXEL_OPERATION_MODE, 4 | 0x11);
mt9v022->model = V4L2_IDENT_MT9V022IX7ATC;
mt9v022_ops.formats = mt9v022_colour_formats;
icd->formats = mt9v022_colour_formats;
if (mt9v022->client->dev.platform_data)
mt9v022_ops.num_formats = ARRAY_SIZE(mt9v022_colour_formats);
icd->num_formats = ARRAY_SIZE(mt9v022_colour_formats);
else
mt9v022_ops.num_formats = 1;
icd->num_formats = 1;
} else {
ret = reg_write(icd, MT9V022_PIXEL_OPERATION_MODE, 0x11);
mt9v022->model = V4L2_IDENT_MT9V022IX7ATM;
mt9v022_ops.formats = mt9v022_monochrome_formats;
icd->formats = mt9v022_monochrome_formats;
if (mt9v022->client->dev.platform_data)
mt9v022_ops.num_formats = ARRAY_SIZE(mt9v022_monochrome_formats);
icd->num_formats = ARRAY_SIZE(mt9v022_monochrome_formats);
else
mt9v022_ops.num_formats = 1;
icd->num_formats = 1;
}
if (ret >= 0)
@ -773,8 +773,6 @@ static int mt9v022_probe(struct i2c_client *client)
i2c_set_clientdata(client, mt9v022);
icd = &mt9v022->icd;
icd->probe = mt9v022_video_probe;
icd->remove = mt9v022_video_remove;
icd->ops = &mt9v022_ops;
icd->control = &client->dev;
icd->x_min = 1;

20
drivers/media/video/soc_camera.c
View File

@ -38,9 +38,9 @@ format_by_fourcc(struct soc_camera_device *icd, unsigned int fourcc)
{
unsigned int i;
for (i = 0; i < icd->ops->num_formats; i++)
if (icd->ops->formats[i].fourcc == fourcc)
return icd->ops->formats + i;
for (i = 0; i < icd->num_formats; i++)
if (icd->formats[i].fourcc == fourcc)
return icd->formats + i;
return NULL;
}
@ -384,10 +384,10 @@ static int soc_camera_enum_fmt_cap(struct file *file, void *priv,
WARN_ON(priv != file->private_data);
if (f->index >= icd->ops->num_formats)
if (f->index >= icd->num_formats)
return -EINVAL;
format = &icd->ops->formats[f->index];
format = &icd->formats[f->index];
strlcpy(f->description, format->name, sizeof(f->description));
f->pixelformat = format->fourcc;
@ -701,7 +701,7 @@ static int soc_camera_probe(struct device *dev)
to_soc_camera_host(icd->dev.parent);
int ret;
if (!icd->probe)
if (!icd->ops->probe)
return -ENODEV;
/* We only call ->add() here to activate and probe the camera.
@ -710,7 +710,7 @@ static int soc_camera_probe(struct device *dev)
if (ret < 0)
return ret;
ret = icd->probe(icd);
ret = icd->ops->probe(icd);
if (ret >= 0) {
const struct v4l2_queryctrl *qctrl;
@ -731,8 +731,8 @@ static int soc_camera_remove(struct device *dev)
{
struct soc_camera_device *icd = to_soc_camera_dev(dev);
if (icd->remove)
icd->remove(icd);
if (icd->ops->remove)
icd->ops->remove(icd);
return 0;
}
@ -928,7 +928,7 @@ int soc_camera_video_start(struct soc_camera_device *icd)
vdev->vidioc_s_register = soc_camera_s_register;
#endif
icd->current_fmt = &icd->ops->formats[0];
icd->current_fmt = &icd->formats[0];
err = video_register_device(vdev, VFL_TYPE_GRABBER, vdev->minor);
if (err < 0) {

8
include/media/soc_camera.h
View File

@ -38,8 +38,8 @@ struct soc_camera_device {
struct soc_camera_ops *ops;
struct video_device *vdev;
const struct soc_camera_data_format *current_fmt;
int (*probe)(struct soc_camera_device *icd);
void (*remove)(struct soc_camera_device *icd);
const struct soc_camera_data_format *formats;
int num_formats;
struct module *owner;
/* soc_camera.c private count. Only accessed with video_lock held */
int use_count;
@ -106,6 +106,8 @@ struct soc_camera_data_format {
struct soc_camera_ops {
struct module *owner;
int (*probe)(struct soc_camera_device *);
void (*remove)(struct soc_camera_device *);
int (*init)(struct soc_camera_device *);
int (*release)(struct soc_camera_device *);
int (*start_capture)(struct soc_camera_device *);
@ -121,8 +123,6 @@ struct soc_camera_ops {
int (*get_register)(struct soc_camera_device *, struct v4l2_register *);
int (*set_register)(struct soc_camera_device *, struct v4l2_register *);
#endif
const struct soc_camera_data_format *formats;
int num_formats;
int (*get_control)(struct soc_camera_device *, struct v4l2_control *);
int (*set_control)(struct soc_camera_device *, struct v4l2_control *);
const struct v4l2_queryctrl *controls;