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[media] exynos4-is: Use common exynos_media_pipeline data structure

Browse Source 
This enumeration is now private to exynos4-is and the exynos5 camera
subsystem driver may have the subdevs handling designed differently.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sylwester Nawrocki 2013-05-31 11:37:22 -03:00 committed by Mauro Carvalho Chehab
parent 4bd728a16e
commit 403dfbec45
7 changed files with 186 additions and 113 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
drivers/media/platform/exynos4-is/fimc-capture.c
View File

@ -120,8 +120,7 @@ static int fimc_capture_state_cleanup(struct fimc_dev *fimc, bool suspend)
spin_unlock_irqrestore(&fimc->slock, flags);
if (streaming)
return fimc_pipeline_call(fimc, set_stream,
&fimc->pipeline, 0);
return fimc_pipeline_call(&cap->ve, set_stream, 0);
else
return 0;
}
@ -179,8 +178,9 @@ static int fimc_capture_config_update(struct fimc_ctx *ctx)
void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf)
{
struct v4l2_subdev *csis = fimc->pipeline.subdevs[IDX_CSIS];
struct fimc_vid_cap *cap = &fimc->vid_cap;
struct fimc_pipeline *p = to_fimc_pipeline(cap->ve.pipe);
struct v4l2_subdev *csis = p->subdevs[IDX_CSIS];
struct fimc_frame *f = &cap->ctx->d_frame;
struct fimc_vid_buffer *v_buf;
struct timeval *tv;
@ -288,8 +288,7 @@ static int start_streaming(struct vb2_queue *q, unsigned int count)
fimc_activate_capture(ctx);
if (!test_and_set_bit(ST_CAPT_ISP_STREAM, &fimc->state))
return fimc_pipeline_call(fimc, set_stream,
&fimc->pipeline, 1);
return fimc_pipeline_call(&vid_cap->ve, set_stream, 1);
}
return 0;
@ -313,7 +312,7 @@ int fimc_capture_suspend(struct fimc_dev *fimc)
int ret = fimc_stop_capture(fimc, suspend);
if (ret)
return ret;
return fimc_pipeline_call(fimc, close, &fimc->pipeline);
return fimc_pipeline_call(&fimc->vid_cap.ve, close);
}
static void buffer_queue(struct vb2_buffer *vb);
@ -330,8 +329,7 @@ int fimc_capture_resume(struct fimc_dev *fimc)
INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q);
vid_cap->buf_index = 0;
fimc_pipeline_call(fimc, open, &fimc->pipeline,
&ve->vdev.entity, false);
fimc_pipeline_call(ve, open, &ve->vdev.entity, false);
fimc_capture_hw_init(fimc);
clear_bit(ST_CAPT_SUSPENDED, &fimc->state);
@ -455,7 +453,7 @@ static void buffer_queue(struct vb2_buffer *vb)
if (test_and_set_bit(ST_CAPT_ISP_STREAM, &fimc->state))
return;
ret = fimc_pipeline_call(fimc, set_stream, &fimc->pipeline, 1);
ret = fimc_pipeline_call(ve, set_stream, 1);
if (ret < 0)
v4l2_err(&ve->vdev, "stream on failed: %d\n", ret);
return;
@ -503,8 +501,8 @@ static int fimc_capture_open(struct file *file)
if (v4l2_fh_is_singular_file(file)) {
fimc_md_graph_lock(ve);
ret = fimc_pipeline_call(fimc, open, &fimc->pipeline,
&fimc->vid_cap.ve.vdev.entity, true);
ret = fimc_pipeline_call(ve, open, &ve->vdev.entity, true);
if (ret == 0)
ret = fimc_capture_set_default_format(fimc);
@ -555,8 +553,7 @@ static int fimc_capture_release(struct file *file)
if (close) {
clear_bit(ST_CAPT_BUSY, &fimc->state);
fimc_stop_capture(fimc, false);
fimc_pipeline_call(fimc, close, &fimc->pipeline);
fimc_pipeline_call(&vc->ve, close);
clear_bit(ST_CAPT_SUSPENDED, &fimc->state);
fimc_md_graph_lock(&vc->ve);
@ -786,7 +783,8 @@ static int fimc_pipeline_try_format(struct fimc_ctx *ctx,
bool set)
{
struct fimc_dev *fimc = ctx->fimc_dev;
struct v4l2_subdev *sd = fimc->pipeline.subdevs[IDX_SENSOR];
struct fimc_pipeline *p = to_fimc_pipeline(fimc->vid_cap.ve.pipe);
struct v4l2_subdev *sd = p->subdevs[IDX_SENSOR];
struct v4l2_subdev_format sfmt;
struct v4l2_mbus_framefmt *mf = &sfmt.format;
struct media_entity *me;
@ -926,6 +924,7 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
struct fimc_ctx *ctx = fimc->vid_cap.ctx;
struct exynos_video_entity *ve = &fimc->vid_cap.ve;
struct v4l2_mbus_framefmt mf;
struct v4l2_subdev *sensor;
struct fimc_fmt *ffmt = NULL;
int ret = 0;
@ -959,9 +958,18 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
fimc_adjust_mplane_format(ffmt, pix->width, pix->height, pix);
if (ffmt->flags & FMT_FLAGS_COMPRESSED)
fimc_get_sensor_frame_desc(fimc->pipeline.subdevs[IDX_SENSOR],
pix->plane_fmt, ffmt->memplanes, true);
if (ffmt->flags & FMT_FLAGS_COMPRESSED) {
fimc_md_graph_lock(ve);
sensor = __fimc_md_get_subdev(ve->pipe, IDX_SENSOR);
if (sensor)
fimc_get_sensor_frame_desc(sensor, pix->plane_fmt,
ffmt->memplanes, true);
else
ret = -EPIPE;
fimc_md_graph_unlock(ve);
}
return ret;
}
@ -986,6 +994,7 @@ static int __fimc_capture_set_format(struct fimc_dev *fimc,
struct fimc_ctx *ctx = fimc->vid_cap.ctx;
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
struct v4l2_mbus_framefmt *mf = &fimc->vid_cap.ci_fmt;
struct fimc_pipeline *p = to_fimc_pipeline(fimc->vid_cap.ve.pipe);
struct fimc_frame *ff = &ctx->d_frame;
struct fimc_fmt *s_fmt = NULL;
int ret, i;
@ -1027,7 +1036,7 @@ static int __fimc_capture_set_format(struct fimc_dev *fimc,
fimc_adjust_mplane_format(ff->fmt, pix->width, pix->height, pix);
if (ff->fmt->flags & FMT_FLAGS_COMPRESSED) {
ret = fimc_get_sensor_frame_desc(fimc->pipeline.subdevs[IDX_SENSOR],
ret = fimc_get_sensor_frame_desc(p->subdevs[IDX_SENSOR],
pix->plane_fmt, ff->fmt->memplanes,
true);
if (ret < 0)
@ -1078,14 +1087,20 @@ static int fimc_cap_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
struct fimc_dev *fimc = video_drvdata(file);
struct v4l2_subdev *sd = fimc->pipeline.subdevs[IDX_SENSOR];
struct exynos_video_entity *ve = &fimc->vid_cap.ve;
struct v4l2_subdev *sd;
if (i->index != 0)
return -EINVAL;
i->type = V4L2_INPUT_TYPE_CAMERA;
fimc_md_graph_lock(ve);
sd = __fimc_md_get_subdev(ve->pipe, IDX_SENSOR);
fimc_md_graph_unlock(ve);
if (sd)
strlcpy(i->name, sd->name, sizeof(i->name));
return 0;
}
@ -1111,6 +1126,7 @@ static int fimc_pipeline_validate(struct fimc_dev *fimc)
struct v4l2_subdev_format sink_fmt, src_fmt;
struct fimc_vid_cap *vc = &fimc->vid_cap;
struct v4l2_subdev *sd = &vc->subdev;
struct fimc_pipeline *p = to_fimc_pipeline(vc->ve.pipe);
struct media_pad *sink_pad, *src_pad;
int i, ret;
@ -1164,7 +1180,7 @@ static int fimc_pipeline_validate(struct fimc_dev *fimc)
src_fmt.format.code != sink_fmt.format.code)
return -EPIPE;
if (sd == fimc->pipeline.subdevs[IDX_SENSOR] &&
if (sd == p->subdevs[IDX_SENSOR] &&
fimc_user_defined_mbus_fmt(src_fmt.format.code)) {
struct v4l2_plane_pix_format plane_fmt[FIMC_MAX_PLANES];
struct fimc_frame *frame = &vc->ctx->d_frame;
@ -1188,7 +1204,6 @@ static int fimc_cap_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct fimc_dev *fimc = video_drvdata(file);
struct fimc_pipeline *p = &fimc->pipeline;
struct fimc_vid_cap *vc = &fimc->vid_cap;
struct media_entity *entity = &vc->ve.vdev.entity;
struct fimc_source_info *si = NULL;
@ -1198,11 +1213,11 @@ static int fimc_cap_streamon(struct file *file, void *priv,
if (fimc_capture_active(fimc))
return -EBUSY;
ret = media_entity_pipeline_start(entity, p->m_pipeline);
ret = media_entity_pipeline_start(entity, &vc->ve.pipe->mp);
if (ret < 0)
return ret;
sd = p->subdevs[IDX_SENSOR];
sd = __fimc_md_get_subdev(vc->ve.pipe, IDX_SENSOR);
if (sd)
si = v4l2_get_subdev_hostdata(sd);
@ -1821,12 +1836,12 @@ static int fimc_capture_subdev_registered(struct v4l2_subdev *sd)
if (ret)
return ret;
fimc->pipeline_ops = v4l2_get_subdev_hostdata(sd);
fimc->vid_cap.ve.pipe = v4l2_get_subdev_hostdata(sd);
ret = fimc_register_capture_device(fimc, sd->v4l2_dev);
if (ret) {
fimc_unregister_m2m_device(fimc);
fimc->pipeline_ops = NULL;
fimc->vid_cap.ve.pipe = NULL;
}
return ret;
@ -1847,7 +1862,7 @@ static void fimc_capture_subdev_unregistered(struct v4l2_subdev *sd)
video_unregister_device(vdev);
media_entity_cleanup(&vdev->entity);
fimc_ctrls_delete(fimc->vid_cap.ctx);
fimc->pipeline_ops = NULL;
fimc->vid_cap.ve.pipe = NULL;
}
kfree(fimc->vid_cap.ctx);
fimc->vid_cap.ctx = NULL;

2
drivers/media/platform/exynos4-is/fimc-core.h
View File

@ -435,8 +435,6 @@ struct fimc_dev {
struct fimc_vid_cap vid_cap;
unsigned long state;
struct vb2_alloc_ctx *alloc_ctx;
struct fimc_pipeline pipeline;
const struct fimc_pipeline_ops *pipeline_ops;
};
/**

29
drivers/media/platform/exynos4-is/fimc-lite.c
View File

@ -210,7 +210,7 @@ static int fimc_lite_reinit(struct fimc_lite *fimc, bool suspend)
if (!streaming)
return 0;
return fimc_pipeline_call(fimc, set_stream, &fimc->pipeline, 0);
return fimc_pipeline_call(&fimc->ve, set_stream, 0);
}
static int fimc_lite_stop_capture(struct fimc_lite *fimc, bool suspend)
@ -324,8 +324,7 @@ static int start_streaming(struct vb2_queue *q, unsigned int count)
flite_hw_capture_start(fimc);
if (!test_and_set_bit(ST_SENSOR_STREAM, &fimc->state))
fimc_pipeline_call(fimc, set_stream,
&fimc->pipeline, 1);
fimc_pipeline_call(&fimc->ve, set_stream, 1);
}
if (debug > 0)
flite_hw_dump_regs(fimc, __func__);
@ -429,8 +428,7 @@ static void buffer_queue(struct vb2_buffer *vb)
spin_unlock_irqrestore(&fimc->slock, flags);
if (!test_and_set_bit(ST_SENSOR_STREAM, &fimc->state))
fimc_pipeline_call(fimc, set_stream,
&fimc->pipeline, 1);
fimc_pipeline_call(&fimc->ve, set_stream, 1);
return;
}
spin_unlock_irqrestore(&fimc->slock, flags);
@ -482,8 +480,7 @@ static int fimc_lite_open(struct file *file)
mutex_lock(&me->parent->graph_mutex);
ret = fimc_pipeline_call(fimc, open, &fimc->pipeline,
me, true);
ret = fimc_pipeline_call(&fimc->ve, open, me, true);
/* Mark video pipeline ending at this video node as in use. */
if (ret == 0)
@ -518,9 +515,10 @@ static int fimc_lite_release(struct file *file)
media_entity_pipeline_stop(entity);
fimc->streaming = false;
}
clear_bit(ST_FLITE_IN_USE, &fimc->state);
fimc_lite_stop_capture(fimc, false);
fimc_pipeline_call(fimc, close, &fimc->pipeline);
fimc_pipeline_call(&fimc->ve, close);
clear_bit(ST_FLITE_IN_USE, &fimc->state);
mutex_lock(&entity->parent->graph_mutex);
entity->use_count--;
mutex_unlock(&entity->parent->graph_mutex);
@ -801,13 +799,12 @@ static int fimc_lite_streamon(struct file *file, void *priv,
{
struct fimc_lite *fimc = video_drvdata(file);
struct media_entity *entity = &fimc->ve.vdev.entity;
struct fimc_pipeline *p = &fimc->pipeline;
int ret;
if (fimc_lite_active(fimc))
return -EBUSY;
ret = media_entity_pipeline_start(entity, p->m_pipeline);
ret = media_entity_pipeline_start(entity, &fimc->ve.pipe->mp);
if (ret < 0)
return ret;
@ -1282,12 +1279,12 @@ static int fimc_lite_subdev_registered(struct v4l2_subdev *sd)
return ret;
video_set_drvdata(vfd, fimc);
fimc->pipeline_ops = v4l2_get_subdev_hostdata(sd);
fimc->ve.pipe = v4l2_get_subdev_hostdata(sd);
ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1);
if (ret < 0) {
media_entity_cleanup(&vfd->entity);
fimc->pipeline_ops = NULL;
fimc->ve.pipe = NULL;
return ret;
}
@ -1306,7 +1303,7 @@ static void fimc_lite_subdev_unregistered(struct v4l2_subdev *sd)
if (video_is_registered(&fimc->ve.vdev)) {
video_unregister_device(&fimc->ve.vdev);
media_entity_cleanup(&fimc->ve.vdev.entity);
fimc->pipeline_ops = NULL;
fimc->ve.pipe = NULL;
}
}
@ -1552,7 +1549,7 @@ static int fimc_lite_resume(struct device *dev)
return 0;
INIT_LIST_HEAD(&fimc->active_buf_q);
fimc_pipeline_call(fimc, open, &fimc->pipeline,
fimc_pipeline_call(&fimc->ve, open,
&fimc->ve.vdev.entity, false);
fimc_lite_hw_init(fimc, atomic_read(&fimc->out_path) == FIMC_IO_ISP);
clear_bit(ST_FLITE_SUSPENDED, &fimc->state);
@ -1579,7 +1576,7 @@ static int fimc_lite_suspend(struct device *dev)
if (ret < 0 || !fimc_lite_active(fimc))
return ret;
return fimc_pipeline_call(fimc, close, &fimc->pipeline);
return fimc_pipeline_call(&fimc->ve, close);
}
#endif /* CONFIG_PM_SLEEP */

2
drivers/media/platform/exynos4-is/fimc-lite.h
View File

@ -140,8 +140,6 @@ struct fimc_lite {
struct v4l2_ctrl_handler ctrl_handler;
struct v4l2_ctrl *test_pattern;
int index;
struct fimc_pipeline pipeline;
const struct fimc_pipeline_ops *pipeline_ops;
struct mutex lock;
spinlock_t slock;

108
drivers/media/platform/exynos4-is/media-dev.c
View File

@ -46,7 +46,7 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd,
* Caller holds the graph mutex.
*/
static void fimc_pipeline_prepare(struct fimc_pipeline *p,
struct media_entity *me)
struct media_entity *me)
{
struct v4l2_subdev *sd;
int i;
@ -168,10 +168,11 @@ error:
*
* Called with the graph mutex held.
*/
static int __fimc_pipeline_open(struct fimc_pipeline *p,
static int __fimc_pipeline_open(struct exynos_media_pipeline *ep,
struct media_entity *me, bool prepare)
{
struct fimc_md *fmd = entity_to_fimc_mdev(me);
struct fimc_pipeline *p = to_fimc_pipeline(ep);
struct v4l2_subdev *sd;
int ret;
@ -214,8 +215,9 @@ err_wbclk:
*
* Disable power of all subdevs and turn the external sensor clock off.
*/
static int __fimc_pipeline_close(struct fimc_pipeline *p)
static int __fimc_pipeline_close(struct exynos_media_pipeline *ep)
{
struct fimc_pipeline *p = to_fimc_pipeline(ep);
struct v4l2_subdev *sd = p ? p->subdevs[IDX_SENSOR] : NULL;
struct fimc_md *fmd;
int ret = 0;
@ -242,12 +244,13 @@ static int __fimc_pipeline_close(struct fimc_pipeline *p)
* @pipeline: video pipeline structure
* @on: passed as the s_stream() callback argument
*/
static int __fimc_pipeline_s_stream(struct fimc_pipeline *p, bool on)
static int __fimc_pipeline_s_stream(struct exynos_media_pipeline *ep, bool on)
{
static const u8 seq[2][IDX_MAX] = {
{ IDX_FIMC, IDX_SENSOR, IDX_IS_ISP, IDX_CSIS, IDX_FLITE },
{ IDX_CSIS, IDX_FLITE, IDX_FIMC, IDX_SENSOR, IDX_IS_ISP },
};
struct fimc_pipeline *p = to_fimc_pipeline(ep);
int i, ret = 0;
if (p->subdevs[IDX_SENSOR] == NULL)
@ -271,12 +274,38 @@ error:
}
/* Media pipeline operations for the FIMC/FIMC-LITE video device driver */
static const struct fimc_pipeline_ops fimc_pipeline_ops = {
static const struct exynos_media_pipeline_ops fimc_pipeline_ops = {
.open = __fimc_pipeline_open,
.close = __fimc_pipeline_close,
.set_stream = __fimc_pipeline_s_stream,
};
static struct exynos_media_pipeline *fimc_md_pipeline_create(
struct fimc_md *fmd)
{
struct fimc_pipeline *p;
p = kzalloc(sizeof(*p), GFP_KERNEL);
if (!p)
return NULL;
list_add_tail(&p->list, &fmd->pipelines);
p->ep.ops = &fimc_pipeline_ops;
return &p->ep;
}
static void fimc_md_pipelines_free(struct fimc_md *fmd)
{
while (!list_empty(&fmd->pipelines)) {
struct fimc_pipeline *p;
p = list_entry(fmd->pipelines.next, typeof(*p), list);
list_del(&p->list);
kfree(p);
}
}
/*
* Sensor subdevice helper functions
*/
@ -592,6 +621,7 @@ static int register_fimc_lite_entity(struct fimc_md *fmd,
struct fimc_lite *fimc_lite)
{
struct v4l2_subdev *sd;
struct exynos_media_pipeline *ep;
int ret;
if (WARN_ON(fimc_lite->index >= FIMC_LITE_MAX_DEVS ||
@ -600,7 +630,12 @@ static int register_fimc_lite_entity(struct fimc_md *fmd,
sd = &fimc_lite->subdev;
sd->grp_id = GRP_ID_FLITE;
v4l2_set_subdev_hostdata(sd, (void *)&fimc_pipeline_ops);
ep = fimc_md_pipeline_create(fmd);
if (!ep)
return -ENOMEM;
v4l2_set_subdev_hostdata(sd, ep);
ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
if (!ret)
@ -614,6 +649,7 @@ static int register_fimc_lite_entity(struct fimc_md *fmd,
static int register_fimc_entity(struct fimc_md *fmd, struct fimc_dev *fimc)
{
struct v4l2_subdev *sd;
struct exynos_media_pipeline *ep;
int ret;
if (WARN_ON(fimc->id >= FIMC_MAX_DEVS || fmd->fimc[fimc->id]))
@ -621,7 +657,12 @@ static int register_fimc_entity(struct fimc_md *fmd, struct fimc_dev *fimc)
sd = &fimc->vid_cap.subdev;
sd->grp_id = GRP_ID_FIMC;
v4l2_set_subdev_hostdata(sd, (void *)&fimc_pipeline_ops);
ep = fimc_md_pipeline_create(fmd);
if (!ep)
return -ENOMEM;
v4l2_set_subdev_hostdata(sd, ep);
ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
if (!ret) {
@ -797,17 +838,19 @@ static void fimc_md_unregister_entities(struct fimc_md *fmd)
int i;
for (i = 0; i < FIMC_MAX_DEVS; i++) {
if (fmd->fimc[i] == NULL)
struct fimc_dev *dev = fmd->fimc[i];
if (dev == NULL)
continue;
v4l2_device_unregister_subdev(&fmd->fimc[i]->vid_cap.subdev);
fmd->fimc[i]->pipeline_ops = NULL;
v4l2_device_unregister_subdev(&dev->vid_cap.subdev);
dev->vid_cap.ve.pipe = NULL;
fmd->fimc[i] = NULL;
}
for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) {
if (fmd->fimc_lite[i] == NULL)
struct fimc_lite *dev = fmd->fimc_lite[i];
if (dev == NULL)
continue;
v4l2_device_unregister_subdev(&fmd->fimc_lite[i]->subdev);
fmd->fimc_lite[i]->pipeline_ops = NULL;
v4l2_device_unregister_subdev(&dev->subdev);
dev->ve.pipe = NULL;
fmd->fimc_lite[i] = NULL;
}
for (i = 0; i < CSIS_MAX_ENTITIES; i++) {
@ -1234,38 +1277,22 @@ int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on)
static int fimc_md_link_notify(struct media_pad *source,
struct media_pad *sink, u32 flags)
{
struct fimc_lite *fimc_lite = NULL;
struct fimc_dev *fimc = NULL;
struct exynos_video_entity *ve;
struct video_device *vdev;
struct fimc_pipeline *pipeline;
struct v4l2_subdev *sd;
int i, ret = 0;
if (media_entity_type(sink->entity) != MEDIA_ENT_T_V4L2_SUBDEV)
if (media_entity_type(sink->entity) != MEDIA_ENT_T_DEVNODE_V4L)
return 0;
sd = media_entity_to_v4l2_subdev(sink->entity);
vdev = media_entity_to_video_device(sink->entity);
ve = vdev_to_exynos_video_entity(vdev);
pipeline = to_fimc_pipeline(ve->pipe);
switch (sd->grp_id) {
case GRP_ID_FLITE:
fimc_lite = v4l2_get_subdevdata(sd);
if (WARN_ON(fimc_lite == NULL))
return 0;
pipeline = &fimc_lite->pipeline;
break;
case GRP_ID_FIMC:
fimc = v4l2_get_subdevdata(sd);
if (WARN_ON(fimc == NULL))
return 0;
pipeline = &fimc->pipeline;
break;
default:
return 0;
}
if (!(flags & MEDIA_LNK_FL_ENABLED) && pipeline->subdevs[IDX_SENSOR]) {
if (sink->entity->use_count > 0)
ret = __fimc_pipeline_close(ve->pipe);
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
if (sink->entity->use_count > 0) {
ret = __fimc_pipeline_close(pipeline);
}
for (i = 0; i < IDX_MAX; i++)
pipeline->subdevs[i] = NULL;
} else if (sink->entity->use_count > 0) {
@ -1274,8 +1301,7 @@ static int fimc_md_link_notify(struct media_pad *source,
* the pipeline is already in use, i.e. its video node is open.
* Recreate the controls destroyed during the link deactivation.
*/
ret = __fimc_pipeline_open(pipeline,
source->entity, true);
ret = __fimc_pipeline_open(ve->pipe, sink->entity, true);
}
return ret ? -EPIPE : ret;
@ -1358,6 +1384,7 @@ static int fimc_md_probe(struct platform_device *pdev)
spin_lock_init(&fmd->slock);
fmd->pdev = pdev;
INIT_LIST_HEAD(&fmd->pipelines);
strlcpy(fmd->media_dev.model, "SAMSUNG S5P FIMC",
sizeof(fmd->media_dev.model));
@ -1445,6 +1472,7 @@ static int fimc_md_remove(struct platform_device *pdev)
return 0;
device_remove_file(&pdev->dev, &dev_attr_subdev_conf_mode);
fimc_md_unregister_entities(fmd);
fimc_md_pipelines_free(fmd);
media_device_unregister(&fmd->media_dev);
fimc_md_put_clocks(fmd);
return 0;

38
drivers/media/platform/exynos4-is/media-dev.h
View File

@ -18,6 +18,7 @@
#include <media/media-entity.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include <media/s5p_fimc.h>
#include "fimc-core.h"
#include "fimc-lite.h"
@ -40,6 +41,29 @@ enum {
FIMC_MAX_WBCLKS
};
enum fimc_subdev_index {
IDX_SENSOR,
IDX_CSIS,
IDX_FLITE,
IDX_IS_ISP,
IDX_FIMC,
IDX_MAX,
};
/*
* This structure represents a chain of media entities, including a data
* source entity (e.g. an image sensor subdevice), a data capture entity
* - a video capture device node and any remaining entities.
*/
struct fimc_pipeline {
struct exynos_media_pipeline ep;
struct list_head list;
struct media_entity *vdev_entity;
struct v4l2_subdev *subdevs[IDX_MAX];
};
#define to_fimc_pipeline(_ep) container_of(_ep, struct fimc_pipeline, ep)
struct fimc_csis_info {
struct v4l2_subdev *sd;
int id;
@ -104,7 +128,9 @@ struct fimc_md {
struct pinctrl_state *state_idle;
} pinctl;
bool user_subdev_api;
spinlock_t slock;
struct list_head pipelines;
};
#define is_subdev_pad(pad) (pad == NULL || \
@ -149,4 +175,16 @@ static inline bool fimc_md_is_isp_available(struct device_node *node)
#define fimc_md_is_isp_available(node) (false)
#endif /* CONFIG_OF */
static inline struct v4l2_subdev *__fimc_md_get_subdev(
struct exynos_media_pipeline *ep,
unsigned int index)
{
struct fimc_pipeline *p = to_fimc_pipeline(ep);
if (!p || index >= IDX_MAX)
return NULL;
else
return p->subdevs[index];
}
#endif

53
include/media/s5p_fimc.h
View File

@ -141,41 +141,40 @@ struct fimc_fmt {
#define FMT_FLAGS_YUV (1 << 7)
};
enum fimc_subdev_index {
IDX_SENSOR,
IDX_CSIS,
IDX_FLITE,
IDX_IS_ISP,
IDX_FIMC,
IDX_MAX,
};
struct exynos_media_pipeline;
struct media_pipeline;
struct v4l2_subdev;
struct fimc_pipeline {
struct v4l2_subdev *subdevs[IDX_MAX];
struct media_pipeline *m_pipeline;
/*
* Media pipeline operations to be called from within a video node, i.e. the
* last entity within the pipeline. Implemented by related media device driver.
*/
struct exynos_media_pipeline_ops {
int (*prepare)(struct exynos_media_pipeline *p,
struct media_entity *me);
int (*unprepare)(struct exynos_media_pipeline *p);
int (*open)(struct exynos_media_pipeline *p, struct media_entity *me,
bool resume);
int (*close)(struct exynos_media_pipeline *p);
int (*set_stream)(struct exynos_media_pipeline *p, bool state);
};
struct exynos_video_entity {
struct video_device vdev;
struct exynos_media_pipeline *pipe;
};
/*
* Media pipeline operations to be called from within the fimc(-lite)
* video node when it is the last entity of the pipeline. Implemented
* by corresponding media device driver.
*/
struct fimc_pipeline_ops {
int (*open)(struct fimc_pipeline *p, struct media_entity *me,
bool resume);
int (*close)(struct fimc_pipeline *p);
int (*set_stream)(struct fimc_pipeline *p, bool state);
struct exynos_media_pipeline {
struct media_pipeline mp;
const struct exynos_media_pipeline_ops *ops;
};
#define fimc_pipeline_call(f, op, p, args...) \
(!(f) ? -ENODEV : (((f)->pipeline_ops && (f)->pipeline_ops->op) ? \
(f)->pipeline_ops->op((p), ##args) : -ENOIOCTLCMD))
static inline struct exynos_video_entity *vdev_to_exynos_video_entity(
struct video_device *vdev)
{
return container_of(vdev, struct exynos_video_entity, vdev);
}
#define fimc_pipeline_call(ent, op, args...) \
(!(ent) ? -ENOENT : (((ent)->pipe->ops && (ent)->pipe->ops->op) ? \
(ent)->pipe->ops->op(((ent)->pipe), ##args) : -ENOIOCTLCMD)) \
#endif /* S5P_FIMC_H_ */