| Message ID | 20210413180253.2575451-6-niklas.soderlund+renesas@ragnatech.se (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | rcar-vin: Add r8a779a0 support | expand |
Hi Niklas, On Tue, Apr 13, 2021 at 08:02:47PM +0200, Niklas Söderlund wrote: > The VIN group have always been connected to CSI-2 receivers and this > have spilled over to the naming of the array storing the subdevice > information. In preparation for connecting other types of subdevices > rename the array to remotes. > > Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Seems a rather good idea! Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Thanks j > --- > drivers/media/platform/rcar-vin/rcar-core.c | 32 ++++++++++----------- > drivers/media/platform/rcar-vin/rcar-vin.h | 8 ++++-- > 2 files changed, 21 insertions(+), 19 deletions(-) > > diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c > index 81574bf33116ad59..cc980cad805c022c 100644 > --- a/drivers/media/platform/rcar-vin/rcar-core.c > +++ b/drivers/media/platform/rcar-vin/rcar-core.c > @@ -49,16 +49,16 @@ > */ > > /* group lock should be held when calling this function. */ > -static int rvin_group_entity_to_csi_id(struct rvin_group *group, > - struct media_entity *entity) > +static int rvin_group_entity_to_remote_id(struct rvin_group *group, > + struct media_entity *entity) > { > struct v4l2_subdev *sd; > unsigned int i; > > sd = media_entity_to_v4l2_subdev(entity); > > - for (i = 0; i < RVIN_CSI_MAX; i++) > - if (group->csi[i].subdev == sd) > + for (i = 0; i < RVIN_REMOTES_MAX; i++) > + if (group->remotes[i].subdev == sd) > return i; > > return -ENODEV; > @@ -163,14 +163,14 @@ static int rvin_group_link_notify(struct media_link *link, u32 flags, > if (!csi_pad) > continue; > > - csi_id = rvin_group_entity_to_csi_id(group, csi_pad->entity); > + csi_id = rvin_group_entity_to_remote_id(group, csi_pad->entity); > channel = rvin_group_csi_pad_to_channel(csi_pad->index); > > mask &= rvin_group_get_mask(group->vin[i], csi_id, channel); > } > > /* Add the new link to the existing mask and check if it works. */ > - csi_id = rvin_group_entity_to_csi_id(group, link->source->entity); > + csi_id = rvin_group_entity_to_remote_id(group, link->source->entity); > > if (csi_id == -ENODEV) { > struct v4l2_subdev *sd; > @@ -766,10 +766,10 @@ static int rvin_group_notify_complete(struct v4l2_async_notifier *notifier) > continue; > > /* Check that CSI-2 is part of the group. */ > - if (!vin->group->csi[route->csi].subdev) > + if (!vin->group->remotes[route->csi].subdev) > continue; > > - source = &vin->group->csi[route->csi].subdev->entity; > + source = &vin->group->remotes[route->csi].subdev->entity; > source_idx = rvin_group_csi_channel_to_pad(route->channel); > source_pad = &source->pads[source_idx]; > > @@ -806,10 +806,10 @@ static void rvin_group_notify_unbind(struct v4l2_async_notifier *notifier, > mutex_lock(&vin->group->lock); > > for (i = 0; i < RVIN_CSI_MAX; i++) { > - if (vin->group->csi[i].asd != asd) > + if (vin->group->remotes[i].asd != asd) > continue; > - vin->group->csi[i].subdev = NULL; > - vin_dbg(vin, "Unbind CSI-2 %s from slot %u\n", subdev->name, i); > + vin->group->remotes[i].subdev = NULL; > + vin_dbg(vin, "Unbind %s from slot %u\n", subdev->name, i); > break; > } > > @@ -828,10 +828,10 @@ static int rvin_group_notify_bound(struct v4l2_async_notifier *notifier, > mutex_lock(&vin->group->lock); > > for (i = 0; i < RVIN_CSI_MAX; i++) { > - if (vin->group->csi[i].asd != asd) > + if (vin->group->remotes[i].asd != asd) > continue; > - vin->group->csi[i].subdev = subdev; > - vin_dbg(vin, "Bound CSI-2 %s to slot %u\n", subdev->name, i); > + vin->group->remotes[i].subdev = subdev; > + vin_dbg(vin, "Bound %s to slot %u\n", subdev->name, i); > break; > } > > @@ -883,7 +883,7 @@ static int rvin_mc_parse_of(struct rvin_dev *vin, unsigned int id) > goto out; > } > > - vin->group->csi[vep.base.id].asd = asd; > + vin->group->remotes[vep.base.id].asd = asd; > > vin_dbg(vin, "Add group OF device %pOF to slot %u\n", > to_of_node(fwnode), vep.base.id); > @@ -928,7 +928,7 @@ static int rvin_mc_parse_of_graph(struct rvin_dev *vin) > continue; > > for (id = 0; id < RVIN_CSI_MAX; id++) { > - if (vin->group->csi[id].asd) > + if (vin->group->remotes[id].asd) > continue; > > ret = rvin_mc_parse_of(vin->group->vin[i], id); > diff --git a/drivers/media/platform/rcar-vin/rcar-vin.h b/drivers/media/platform/rcar-vin/rcar-vin.h > index b263ead4db2bfb08..39207aaf39ef9391 100644 > --- a/drivers/media/platform/rcar-vin/rcar-vin.h > +++ b/drivers/media/platform/rcar-vin/rcar-vin.h > @@ -48,6 +48,8 @@ enum rvin_csi_id { > RVIN_CSI_MAX, > }; > > +#define RVIN_REMOTES_MAX RVIN_CSI_MAX > + > /** > * enum rvin_dma_state - DMA states > * @STOPPED: No operation in progress > @@ -267,8 +269,8 @@ struct rvin_dev { > * @count: number of enabled VIN instances found in DT > * @notifier: group notifier for CSI-2 async subdevices > * @vin: VIN instances which are part of the group > - * @csi: array of pairs of fwnode and subdev pointers > - * to all CSI-2 subdevices. > + * @remotes: array of pairs of fwnode and subdev pointers > + * to all remote subdevices. > */ > struct rvin_group { > struct kref refcount; > @@ -283,7 +285,7 @@ struct rvin_group { > struct { > struct v4l2_async_subdev *asd; > struct v4l2_subdev *subdev; > - } csi[RVIN_CSI_MAX]; > + } remotes[RVIN_REMOTES_MAX]; > }; > > int rvin_dma_register(struct rvin_dev *vin, int irq); > -- > 2.31.1 >
diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index 81574bf33116ad59..cc980cad805c022c 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -49,16 +49,16 @@ */ /* group lock should be held when calling this function. */ -static int rvin_group_entity_to_csi_id(struct rvin_group *group, - struct media_entity *entity) +static int rvin_group_entity_to_remote_id(struct rvin_group *group, + struct media_entity *entity) { struct v4l2_subdev *sd; unsigned int i; sd = media_entity_to_v4l2_subdev(entity); - for (i = 0; i < RVIN_CSI_MAX; i++) - if (group->csi[i].subdev == sd) + for (i = 0; i < RVIN_REMOTES_MAX; i++) + if (group->remotes[i].subdev == sd) return i; return -ENODEV; @@ -163,14 +163,14 @@ static int rvin_group_link_notify(struct media_link *link, u32 flags, if (!csi_pad) continue; - csi_id = rvin_group_entity_to_csi_id(group, csi_pad->entity); + csi_id = rvin_group_entity_to_remote_id(group, csi_pad->entity); channel = rvin_group_csi_pad_to_channel(csi_pad->index); mask &= rvin_group_get_mask(group->vin[i], csi_id, channel); } /* Add the new link to the existing mask and check if it works. */ - csi_id = rvin_group_entity_to_csi_id(group, link->source->entity); + csi_id = rvin_group_entity_to_remote_id(group, link->source->entity); if (csi_id == -ENODEV) { struct v4l2_subdev *sd; @@ -766,10 +766,10 @@ static int rvin_group_notify_complete(struct v4l2_async_notifier *notifier) continue; /* Check that CSI-2 is part of the group. */ - if (!vin->group->csi[route->csi].subdev) + if (!vin->group->remotes[route->csi].subdev) continue; - source = &vin->group->csi[route->csi].subdev->entity; + source = &vin->group->remotes[route->csi].subdev->entity; source_idx = rvin_group_csi_channel_to_pad(route->channel); source_pad = &source->pads[source_idx]; @@ -806,10 +806,10 @@ static void rvin_group_notify_unbind(struct v4l2_async_notifier *notifier, mutex_lock(&vin->group->lock); for (i = 0; i < RVIN_CSI_MAX; i++) { - if (vin->group->csi[i].asd != asd) + if (vin->group->remotes[i].asd != asd) continue; - vin->group->csi[i].subdev = NULL; - vin_dbg(vin, "Unbind CSI-2 %s from slot %u\n", subdev->name, i); + vin->group->remotes[i].subdev = NULL; + vin_dbg(vin, "Unbind %s from slot %u\n", subdev->name, i); break; } @@ -828,10 +828,10 @@ static int rvin_group_notify_bound(struct v4l2_async_notifier *notifier, mutex_lock(&vin->group->lock); for (i = 0; i < RVIN_CSI_MAX; i++) { - if (vin->group->csi[i].asd != asd) + if (vin->group->remotes[i].asd != asd) continue; - vin->group->csi[i].subdev = subdev; - vin_dbg(vin, "Bound CSI-2 %s to slot %u\n", subdev->name, i); + vin->group->remotes[i].subdev = subdev; + vin_dbg(vin, "Bound %s to slot %u\n", subdev->name, i); break; } @@ -883,7 +883,7 @@ static int rvin_mc_parse_of(struct rvin_dev *vin, unsigned int id) goto out; } - vin->group->csi[vep.base.id].asd = asd; + vin->group->remotes[vep.base.id].asd = asd; vin_dbg(vin, "Add group OF device %pOF to slot %u\n", to_of_node(fwnode), vep.base.id); @@ -928,7 +928,7 @@ static int rvin_mc_parse_of_graph(struct rvin_dev *vin) continue; for (id = 0; id < RVIN_CSI_MAX; id++) { - if (vin->group->csi[id].asd) + if (vin->group->remotes[id].asd) continue; ret = rvin_mc_parse_of(vin->group->vin[i], id); diff --git a/drivers/media/platform/rcar-vin/rcar-vin.h b/drivers/media/platform/rcar-vin/rcar-vin.h index b263ead4db2bfb08..39207aaf39ef9391 100644 --- a/drivers/media/platform/rcar-vin/rcar-vin.h +++ b/drivers/media/platform/rcar-vin/rcar-vin.h @@ -48,6 +48,8 @@ enum rvin_csi_id { RVIN_CSI_MAX, }; +#define RVIN_REMOTES_MAX RVIN_CSI_MAX + /** * enum rvin_dma_state - DMA states * @STOPPED: No operation in progress @@ -267,8 +269,8 @@ struct rvin_dev { * @count: number of enabled VIN instances found in DT * @notifier: group notifier for CSI-2 async subdevices * @vin: VIN instances which are part of the group - * @csi: array of pairs of fwnode and subdev pointers - * to all CSI-2 subdevices. + * @remotes: array of pairs of fwnode and subdev pointers + * to all remote subdevices. */ struct rvin_group { struct kref refcount; @@ -283,7 +285,7 @@ struct rvin_group { struct { struct v4l2_async_subdev *asd; struct v4l2_subdev *subdev; - } csi[RVIN_CSI_MAX]; + } remotes[RVIN_REMOTES_MAX]; }; int rvin_dma_register(struct rvin_dev *vin, int irq);
The VIN group have always been connected to CSI-2 receivers and this have spilled over to the naming of the array storing the subdevice information. In preparation for connecting other types of subdevices rename the array to remotes. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> --- drivers/media/platform/rcar-vin/rcar-core.c | 32 ++++++++++----------- drivers/media/platform/rcar-vin/rcar-vin.h | 8 ++++-- 2 files changed, 21 insertions(+), 19 deletions(-)