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[media] v4l: vsp1: Support multi-input entities

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Rework the route configuration code to support entities with multiple
sink pads.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Laurent Pinchart 2013-07-10 18:37:27 -03:00 committed by Mauro Carvalho Chehab
parent 6051f5f860
commit d9b45ed3d8
10 changed files with 54 additions and 43 deletions
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54
drivers/media/platform/vsp1/vsp1_entity.c
View File

@ -100,8 +100,10 @@ static int vsp1_entity_link_setup(struct media_entity *entity,
if (source->sink)
return -EBUSY;
source->sink = remote->entity;
source->sink_pad = remote->index;
} else {
source->sink = NULL;
source->sink_pad = 0;
}
return 0;
@ -116,42 +118,40 @@ const struct media_entity_operations vsp1_media_ops = {
* Initialization
*/
static const struct vsp1_route vsp1_routes[] = {
{ VSP1_ENTITY_HSI, 0, VI6_DPR_HSI_ROUTE, { VI6_DPR_NODE_HSI, } },
{ VSP1_ENTITY_HST, 0, VI6_DPR_HST_ROUTE, { VI6_DPR_NODE_HST, } },
{ VSP1_ENTITY_LIF, 0, 0, { VI6_DPR_NODE_LIF, } },
{ VSP1_ENTITY_LUT, 0, VI6_DPR_LUT_ROUTE, { VI6_DPR_NODE_LUT, } },
{ VSP1_ENTITY_RPF, 0, VI6_DPR_RPF_ROUTE(0), { VI6_DPR_NODE_RPF(0), } },
{ VSP1_ENTITY_RPF, 1, VI6_DPR_RPF_ROUTE(1), { VI6_DPR_NODE_RPF(1), } },
{ VSP1_ENTITY_RPF, 2, VI6_DPR_RPF_ROUTE(2), { VI6_DPR_NODE_RPF(2), } },
{ VSP1_ENTITY_RPF, 3, VI6_DPR_RPF_ROUTE(3), { VI6_DPR_NODE_RPF(3), } },
{ VSP1_ENTITY_RPF, 4, VI6_DPR_RPF_ROUTE(4), { VI6_DPR_NODE_RPF(4), } },
{ VSP1_ENTITY_SRU, 0, VI6_DPR_SRU_ROUTE, { VI6_DPR_NODE_SRU, } },
{ VSP1_ENTITY_UDS, 0, VI6_DPR_UDS_ROUTE(0), { VI6_DPR_NODE_UDS(0), } },
{ VSP1_ENTITY_UDS, 1, VI6_DPR_UDS_ROUTE(1), { VI6_DPR_NODE_UDS(1), } },
{ VSP1_ENTITY_UDS, 2, VI6_DPR_UDS_ROUTE(2), { VI6_DPR_NODE_UDS(2), } },
{ VSP1_ENTITY_WPF, 0, 0, { VI6_DPR_NODE_WPF(0), } },
{ VSP1_ENTITY_WPF, 1, 0, { VI6_DPR_NODE_WPF(1), } },
{ VSP1_ENTITY_WPF, 2, 0, { VI6_DPR_NODE_WPF(2), } },
{ VSP1_ENTITY_WPF, 3, 0, { VI6_DPR_NODE_WPF(3), } },
};
int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
unsigned int num_pads)
{
static const struct {
unsigned int id;
unsigned int reg;
} routes[] = {
{ VI6_DPR_NODE_HSI, VI6_DPR_HSI_ROUTE },
{ VI6_DPR_NODE_HST, VI6_DPR_HST_ROUTE },
{ VI6_DPR_NODE_LIF, 0 },
{ VI6_DPR_NODE_LUT, VI6_DPR_LUT_ROUTE },
{ VI6_DPR_NODE_RPF(0), VI6_DPR_RPF_ROUTE(0) },
{ VI6_DPR_NODE_RPF(1), VI6_DPR_RPF_ROUTE(1) },
{ VI6_DPR_NODE_RPF(2), VI6_DPR_RPF_ROUTE(2) },
{ VI6_DPR_NODE_RPF(3), VI6_DPR_RPF_ROUTE(3) },
{ VI6_DPR_NODE_RPF(4), VI6_DPR_RPF_ROUTE(4) },
{ VI6_DPR_NODE_SRU, VI6_DPR_SRU_ROUTE },
{ VI6_DPR_NODE_UDS(0), VI6_DPR_UDS_ROUTE(0) },
{ VI6_DPR_NODE_UDS(1), VI6_DPR_UDS_ROUTE(1) },
{ VI6_DPR_NODE_UDS(2), VI6_DPR_UDS_ROUTE(2) },
{ VI6_DPR_NODE_WPF(0), 0 },
{ VI6_DPR_NODE_WPF(1), 0 },
{ VI6_DPR_NODE_WPF(2), 0 },
{ VI6_DPR_NODE_WPF(3), 0 },
};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(routes); ++i) {
if (routes[i].id == entity->id) {
entity->route = routes[i].reg;
for (i = 0; i < ARRAY_SIZE(vsp1_routes); ++i) {
if (vsp1_routes[i].type == entity->type &&
vsp1_routes[i].index == entity->index) {
entity->route = &vsp1_routes[i];
break;
}
}
if (i == ARRAY_SIZE(routes))
if (i == ARRAY_SIZE(vsp1_routes))
return -EINVAL;
entity->vsp1 = vsp1;

23
drivers/media/platform/vsp1/vsp1_entity.h
View File

@ -30,13 +30,31 @@ enum vsp1_entity_type {
VSP1_ENTITY_WPF,
};
/*
* struct vsp1_route - Entity routing configuration
* @type: Entity type this routing entry is associated with
* @index: Entity index this routing entry is associated with
* @reg: Output routing configuration register
* @inputs: Target node value for each input
*
* Each $vsp1_route entry describes routing configuration for the entity
* specified by the entry's @type and @index. @reg indicates the register that
* holds output routing configuration for the entity, and the @inputs array
* store the target node value for each input of the entity.
*/
struct vsp1_route {
enum vsp1_entity_type type;
unsigned int index;
unsigned int reg;
unsigned int inputs[4];
};
struct vsp1_entity {
struct vsp1_device *vsp1;
enum vsp1_entity_type type;
unsigned int index;
unsigned int id;
unsigned int route;
const struct vsp1_route *route;
struct list_head list_dev;
struct list_head list_pipe;
@ -45,6 +63,7 @@ struct vsp1_entity {
unsigned int source_pad;
struct media_entity *sink;
unsigned int sink_pad;
struct v4l2_subdev subdev;
struct v4l2_mbus_framefmt *formats;

7
drivers/media/platform/vsp1/vsp1_hsit.c
View File

@ -193,13 +193,10 @@ struct vsp1_hsit *vsp1_hsit_create(struct vsp1_device *vsp1, bool inverse)
hsit->inverse = inverse;
if (inverse) {
if (inverse)
hsit->entity.type = VSP1_ENTITY_HSI;
hsit->entity.id = VI6_DPR_NODE_HSI;
} else {
else
hsit->entity.type = VSP1_ENTITY_HST;
hsit->entity.id = VI6_DPR_NODE_HST;
}
ret = vsp1_entity_init(vsp1, &hsit->entity, 2);
if (ret < 0)

1
drivers/media/platform/vsp1/vsp1_lif.c
View File

@ -215,7 +215,6 @@ struct vsp1_lif *vsp1_lif_create(struct vsp1_device *vsp1)
return ERR_PTR(-ENOMEM);
lif->entity.type = VSP1_ENTITY_LIF;
lif->entity.id = VI6_DPR_NODE_LIF;
ret = vsp1_entity_init(vsp1, &lif->entity, 2);
if (ret < 0)

1
drivers/media/platform/vsp1/vsp1_lut.c
View File

@ -229,7 +229,6 @@ struct vsp1_lut *vsp1_lut_create(struct vsp1_device *vsp1)
return ERR_PTR(-ENOMEM);
lut->entity.type = VSP1_ENTITY_LUT;
lut->entity.id = VI6_DPR_NODE_LUT;
ret = vsp1_entity_init(vsp1, &lut->entity, 2);
if (ret < 0)

1
drivers/media/platform/vsp1/vsp1_rpf.c
View File

@ -176,7 +176,6 @@ struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index)
rpf->entity.type = VSP1_ENTITY_RPF;
rpf->entity.index = index;
rpf->entity.id = VI6_DPR_NODE_RPF(index);
ret = vsp1_entity_init(vsp1, &rpf->entity, 2);
if (ret < 0)

1
drivers/media/platform/vsp1/vsp1_sru.c
View File

@ -327,7 +327,6 @@ struct vsp1_sru *vsp1_sru_create(struct vsp1_device *vsp1)
return ERR_PTR(-ENOMEM);
sru->entity.type = VSP1_ENTITY_SRU;
sru->entity.id = VI6_DPR_NODE_SRU;
ret = vsp1_entity_init(vsp1, &sru->entity, 2);
if (ret < 0)

1
drivers/media/platform/vsp1/vsp1_uds.c
View File

@ -322,7 +322,6 @@ struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index)
uds->entity.type = VSP1_ENTITY_UDS;
uds->entity.index = index;
uds->entity.id = VI6_DPR_NODE_UDS(index);
ret = vsp1_entity_init(vsp1, &uds->entity, 2);
if (ret < 0)

7
drivers/media/platform/vsp1/vsp1_video.c
View File

@ -461,7 +461,7 @@ static int vsp1_pipeline_stop(struct vsp1_pipeline *pipe)
list_for_each_entry(entity, &pipe->entities, list_pipe) {
if (entity->route)
vsp1_write(entity->vsp1, entity->route,
vsp1_write(entity->vsp1, entity->route->reg,
VI6_DPR_NODE_UNUSED);
v4l2_subdev_call(&entity->subdev, video, s_stream, 0);
@ -680,11 +680,12 @@ static void vsp1_entity_route_setup(struct vsp1_entity *source)
{
struct vsp1_entity *sink;
if (source->route == 0)
if (source->route->reg == 0)
return;
sink = container_of(source->sink, struct vsp1_entity, subdev.entity);
vsp1_write(source->vsp1, source->route, sink->id);
vsp1_write(source->vsp1, source->route->reg,
sink->route->inputs[source->sink_pad]);
}
static int vsp1_video_start_streaming(struct vb2_queue *vq, unsigned int count)

1
drivers/media/platform/vsp1/vsp1_wpf.c
View File

@ -181,7 +181,6 @@ struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)
wpf->entity.type = VSP1_ENTITY_WPF;
wpf->entity.index = index;
wpf->entity.id = VI6_DPR_NODE_WPF(index);
ret = vsp1_entity_init(vsp1, &wpf->entity, 2);
if (ret < 0)