#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/v4l2-mediabus.h>
#include <linux/videodev2.h>
+
+#include <media/soc_camera.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-subdev.h>
-#include <media/soc_camera.h>
-#include <media/soc_mediabus.h>
+#include <media/v4l2-ctrls.h>
#define VAL_SET(x, mask, rshift, lshift) \
((((x) >> rshift) & mask) << lshift)
struct ov2640_priv {
struct v4l2_subdev subdev;
- struct ov2640_camera_info *info;
+ struct v4l2_ctrl_handler hdl;
enum v4l2_mbus_pixelcode cfmt_code;
const struct ov2640_win_size *win;
int model;
- u16 flag_vflip:1;
- u16 flag_hflip:1;
};
/*
V4L2_MBUS_FMT_RGB565_2X8_LE,
};
-/*
- * Supported controls
- */
-static const struct v4l2_queryctrl ov2640_controls[] = {
- {
- .id = V4L2_CID_VFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Flip Vertically",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- }, {
- .id = V4L2_CID_HFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Flip Horizontally",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- },
-};
-
/*
* General functions
*/
return 0;
}
-static int ov2640_set_bus_param(struct soc_camera_device *icd,
- unsigned long flags)
-{
- struct soc_camera_link *icl = to_soc_camera_link(icd);
- unsigned long width_flag = flags & SOCAM_DATAWIDTH_MASK;
-
- /* Only one width bit may be set */
- if (!is_power_of_2(width_flag))
- return -EINVAL;
-
- if (icl->set_bus_param)
- return icl->set_bus_param(icl, width_flag);
-
- /*
- * Without board specific bus width settings we support only the
- * sensors native bus width witch are tested working
- */
- if (width_flag & (SOCAM_DATAWIDTH_10 | SOCAM_DATAWIDTH_8))
- return 0;
-
- return 0;
-}
-
-static unsigned long ov2640_query_bus_param(struct soc_camera_device *icd)
-{
- struct soc_camera_link *icl = to_soc_camera_link(icd);
- unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER |
- SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH |
- SOCAM_DATA_ACTIVE_HIGH;
-
- if (icl->query_bus_param)
- flags |= icl->query_bus_param(icl) & SOCAM_DATAWIDTH_MASK;
- else
- flags |= SOCAM_DATAWIDTH_10;
-
- return soc_camera_apply_sensor_flags(icl, flags);
-}
-
-static int ov2640_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+static int ov2640_s_ctrl(struct v4l2_ctrl *ctrl)
{
+ struct v4l2_subdev *sd =
+ &container_of(ctrl->handler, struct ov2640_priv, hdl)->subdev;
struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct ov2640_priv *priv = to_ov2640(client);
-
- switch (ctrl->id) {
- case V4L2_CID_VFLIP:
- ctrl->value = priv->flag_vflip;
- break;
- case V4L2_CID_HFLIP:
- ctrl->value = priv->flag_hflip;
- break;
- }
- return 0;
-}
-
-static int ov2640_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct ov2640_priv *priv = to_ov2640(client);
- int ret = 0;
u8 val;
switch (ctrl->id) {
case V4L2_CID_VFLIP:
- val = ctrl->value ? REG04_VFLIP_IMG : 0x00;
- priv->flag_vflip = ctrl->value ? 1 : 0;
- ret = ov2640_mask_set(client, REG04, REG04_VFLIP_IMG, val);
- break;
+ val = ctrl->val ? REG04_VFLIP_IMG | REG04_VREF_EN : 0x00;
+ return ov2640_mask_set(client, REG04,
+ REG04_VFLIP_IMG | REG04_VREF_EN, val);
+ /* NOTE: REG04_VREF_EN: 1 line shift / even/odd line swap */
case V4L2_CID_HFLIP:
- val = ctrl->value ? REG04_HFLIP_IMG : 0x00;
- priv->flag_hflip = ctrl->value ? 1 : 0;
- ret = ov2640_mask_set(client, REG04, REG04_HFLIP_IMG, val);
- break;
+ val = ctrl->val ? REG04_HFLIP_IMG : 0x00;
+ return ov2640_mask_set(client, REG04, REG04_HFLIP_IMG, val);
}
- return ret;
+ return -EINVAL;
}
static int ov2640_g_chip_ident(struct v4l2_subdev *sd,
return 0;
}
-static int ov2640_video_probe(struct soc_camera_device *icd,
- struct i2c_client *client)
+static int ov2640_video_probe(struct i2c_client *client)
{
struct ov2640_priv *priv = to_ov2640(client);
u8 pid, ver, midh, midl;
const char *devname;
int ret;
- /* We must have a parent by now. And it cannot be a wrong one. */
- BUG_ON(!icd->parent ||
- to_soc_camera_host(icd->parent)->nr != icd->iface);
-
/*
* check and show product ID and manufacturer ID
*/
"%s Product ID %0x:%0x Manufacturer ID %x:%x\n",
devname, pid, ver, midh, midl);
- return 0;
+ return v4l2_ctrl_handler_setup(&priv->hdl);
err:
return ret;
}
-static struct soc_camera_ops ov2640_ops = {
- .set_bus_param = ov2640_set_bus_param,
- .query_bus_param = ov2640_query_bus_param,
- .controls = ov2640_controls,
- .num_controls = ARRAY_SIZE(ov2640_controls),
+static const struct v4l2_ctrl_ops ov2640_ctrl_ops = {
+ .s_ctrl = ov2640_s_ctrl,
};
static struct v4l2_subdev_core_ops ov2640_subdev_core_ops = {
- .g_ctrl = ov2640_g_ctrl,
- .s_ctrl = ov2640_s_ctrl,
.g_chip_ident = ov2640_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = ov2640_g_register,
#endif
};
+static int ov2640_g_mbus_config(struct v4l2_subdev *sd,
+ struct v4l2_mbus_config *cfg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
+
+ cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
+ V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
+ V4L2_MBUS_DATA_ACTIVE_HIGH;
+ cfg->type = V4L2_MBUS_PARALLEL;
+ cfg->flags = soc_camera_apply_board_flags(icl, cfg);
+
+ return 0;
+}
+
static struct v4l2_subdev_video_ops ov2640_subdev_video_ops = {
.s_stream = ov2640_s_stream,
.g_mbus_fmt = ov2640_g_fmt,
.cropcap = ov2640_cropcap,
.g_crop = ov2640_g_crop,
.enum_mbus_fmt = ov2640_enum_fmt,
+ .g_mbus_config = ov2640_g_mbus_config,
};
static struct v4l2_subdev_ops ov2640_subdev_ops = {
static int ov2640_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
- struct ov2640_priv *priv;
- struct soc_camera_device *icd = client->dev.platform_data;
- struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
- struct soc_camera_link *icl;
- int ret;
-
- if (!icd) {
- dev_err(&adapter->dev, "OV2640: missing soc-camera data!\n");
- return -EINVAL;
- }
+ struct ov2640_priv *priv;
+ struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
+ struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ int ret;
- icl = to_soc_camera_link(icd);
if (!icl) {
dev_err(&adapter->dev,
"OV2640: Missing platform_data for driver\n");
return -ENOMEM;
}
- priv->info = icl->priv;
-
v4l2_i2c_subdev_init(&priv->subdev, client, &ov2640_subdev_ops);
+ v4l2_ctrl_handler_init(&priv->hdl, 2);
+ v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ priv->subdev.ctrl_handler = &priv->hdl;
+ if (priv->hdl.error) {
+ int err = priv->hdl.error;
- icd->ops = &ov2640_ops;
+ kfree(priv);
+ return err;
+ }
- ret = ov2640_video_probe(icd, client);
+ ret = ov2640_video_probe(client);
if (ret) {
- icd->ops = NULL;
+ v4l2_ctrl_handler_free(&priv->hdl);
kfree(priv);
} else {
dev_info(&adapter->dev, "OV2640 Probed\n");
static int ov2640_remove(struct i2c_client *client)
{
struct ov2640_priv *priv = to_ov2640(client);
- struct soc_camera_device *icd = client->dev.platform_data;
- icd->ops = NULL;
+ v4l2_device_unregister_subdev(&priv->subdev);
+ v4l2_ctrl_handler_free(&priv->hdl);
kfree(priv);
return 0;
}
git.openpandora.org / pandora-kernel.git / blobdiff