} while(0); LOCK_GIVE(hdw->ctl_lock);
return result;
}
-
-
-int pvr2_hdw_register_access(struct pvr2_hdw *hdw,
- const struct v4l2_dbg_match *match, u64 reg_id,
- int setFl, u64 *val_ptr)
-{
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- struct v4l2_dbg_register req;
- int stat = 0;
- int okFl = 0;
-
- req.match = *match;
- req.reg = reg_id;
- if (setFl) req.val = *val_ptr;
- /* It would be nice to know if a sub-device answered the request */
- v4l2_device_call_all(&hdw->v4l2_dev, 0, core, g_register, &req);
- if (!setFl) *val_ptr = req.val;
- if (okFl) {
- return stat;
- }
- return -EINVAL;
-#else
- return -ENOSYS;
-#endif
-}
-
-
-/*
- Stuff for Emacs to see, in order to encourage consistent editing style:
- *** Local Variables: ***
- *** mode: c ***
- *** fill-column: 75 ***
- *** tab-width: 8 ***
- *** c-basic-offset: 8 ***
- *** End: ***
- */
void pvr2_hdw_v4l_store_minor_number(struct pvr2_hdw *,
enum pvr2_v4l_type index,int);
-/* Direct read/write access to chip's registers:
- match - specify criteria to identify target chip (this is a v4l dbg struct)
- reg_id - register number to access
- setFl - true to set the register, false to read it
- val_ptr - storage location for source / result. */
-int pvr2_hdw_register_access(struct pvr2_hdw *,
- const struct v4l2_dbg_match *match, u64 reg_id,
- int setFl, u64 *val_ptr);
-
/* The following entry points are all lower level things you normally don't
want to worry about. */
return 0;
}
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int pvr2_g_register(struct file *file, void *priv, struct v4l2_dbg_register *req)
-{
- struct pvr2_v4l2_fh *fh = file->private_data;
- struct pvr2_hdw *hdw = fh->channel.mc_head->hdw;
- u64 val;
- int ret;
-
- ret = pvr2_hdw_register_access(
- hdw, &req->match, req->reg,
- 0, &val);
- req->val = val;
- return ret;
-}
-
-static int pvr2_s_register(struct file *file, void *priv, const struct v4l2_dbg_register *req)
-{
- struct pvr2_v4l2_fh *fh = file->private_data;
- struct pvr2_hdw *hdw = fh->channel.mc_head->hdw;
- u64 val;
- int ret;
-
- val = req->val;
- ret = pvr2_hdw_register_access(
- hdw, &req->match, req->reg,
- 1, &val);
- return ret;
-}
-#endif
-
static const struct v4l2_ioctl_ops pvr2_ioctl_ops = {
.vidioc_querycap = pvr2_querycap,
.vidioc_g_priority = pvr2_g_priority,
.vidioc_g_ext_ctrls = pvr2_g_ext_ctrls,
.vidioc_s_ext_ctrls = pvr2_s_ext_ctrls,
.vidioc_try_ext_ctrls = pvr2_try_ext_ctrls,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- .vidioc_g_register = pvr2_g_register,
- .vidioc_s_register = pvr2_s_register,
-#endif
};
static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)