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media: i2c: imx464 support get channel info by ioctl

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: Ia0b7d27618e5e6cbe9b9e2f6b663d5a975fe89e2
This commit is contained in:
Zefa Chen
2021-11-01 17:12:05 +08:00
committed by Tao Huang
parent 7832719356
commit 4a0b595e2a
1 changed files with 50 additions and 2 deletions
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52
drivers/media/i2c/imx464.c
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@@ -1735,10 +1735,22 @@ static int remove_sysfs_interfaces(struct device *dev)
}
#endif
static int IMX464_get_channel_info(struct IMX464 *IMX464, struct rkmodule_channel_info *ch_info)
{
if (ch_info->index < PAD0 || ch_info->index >= PAD_MAX)
return -EINVAL;
ch_info->vc = IMX464->cur_mode->vc[ch_info->index];
ch_info->width = IMX464->cur_mode->width;
ch_info->height = IMX464->cur_mode->height;
ch_info->bus_fmt = IMX464->cur_mode->bus_fmt;
return 0;
}
static long IMX464_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct IMX464 *IMX464 = to_IMX464(sd);
struct rkmodule_hdr_cfg *hdr;
struct rkmodule_channel_info *ch_info;
u32 i, h, w, stream;
long ret = 0;
@@ -1812,6 +1824,10 @@ static long IMX464_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
IMX464_REG_VALUE_08BIT, IMX464_MODE_SW_STANDBY);
}
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = (struct rkmodule_channel_info *)arg;
ret = IMX464_get_channel_info(IMX464, ch_info);
break;
default:
ret = -ENOIOCTLCMD;
break;
@@ -1829,6 +1845,7 @@ static long IMX464_compat_ioctl32(struct v4l2_subdev *sd,
struct rkmodule_awb_cfg *cfg;
struct rkmodule_hdr_cfg *hdr;
struct preisp_hdrae_exp_s *hdrae;
struct rkmodule_channel_info *ch_info;
long ret;
u32 cg = 0;
u32 stream;
@@ -1842,8 +1859,11 @@ static long IMX464_compat_ioctl32(struct v4l2_subdev *sd,
}
ret = IMX464_ioctl(sd, cmd, inf);
if (!ret)
if (!ret) {
ret = copy_to_user(up, inf, sizeof(*inf));
if (ret)
ret = -EFAULT;
}
kfree(inf);
break;
case RKMODULE_AWB_CFG:
@@ -1856,6 +1876,8 @@ static long IMX464_compat_ioctl32(struct v4l2_subdev *sd,
ret = copy_from_user(cfg, up, sizeof(*cfg));
if (!ret)
ret = IMX464_ioctl(sd, cmd, cfg);
else
ret = -EFAULT;
kfree(cfg);
break;
case RKMODULE_GET_HDR_CFG:
@@ -1866,8 +1888,11 @@ static long IMX464_compat_ioctl32(struct v4l2_subdev *sd,
}
ret = IMX464_ioctl(sd, cmd, hdr);
if (!ret)
if (!ret) {
ret = copy_to_user(up, hdr, sizeof(*hdr));
if (ret)
ret = -EFAULT;
}
kfree(hdr);
break;
case RKMODULE_SET_HDR_CFG:
@@ -1880,6 +1905,8 @@ static long IMX464_compat_ioctl32(struct v4l2_subdev *sd,
ret = copy_from_user(hdr, up, sizeof(*hdr));
if (!ret)
ret = IMX464_ioctl(sd, cmd, hdr);
else
ret = -EFAULT;
kfree(hdr);
break;
case PREISP_CMD_SET_HDRAE_EXP:
@@ -1892,18 +1919,39 @@ static long IMX464_compat_ioctl32(struct v4l2_subdev *sd,
ret = copy_from_user(hdrae, up, sizeof(*hdrae));
if (!ret)
ret = IMX464_ioctl(sd, cmd, hdrae);
else
ret = -EFAULT;
kfree(hdrae);
break;
case RKMODULE_SET_CONVERSION_GAIN:
ret = copy_from_user(&cg, up, sizeof(cg));
if (!ret)
ret = IMX464_ioctl(sd, cmd, &cg);
else
ret = -EFAULT;
break;
case RKMODULE_SET_QUICK_STREAM:
ret = copy_from_user(&stream, up, sizeof(u32));
if (!ret)
ret = IMX464_ioctl(sd, cmd, &stream);
else
ret = -EFAULT;
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = kzalloc(sizeof(*ch_info), GFP_KERNEL);
if (!ch_info) {
ret = -ENOMEM;
return ret;
}
ret = IMX464_ioctl(sd, cmd, ch_info);
if (!ret) {
ret = copy_to_user(up, ch_info, sizeof(*ch_info));
if (ret)
ret = -EFAULT;
}
kfree(ch_info);
break;
default:
ret = -ENOIOCTLCMD;