The struct fdp1_buffer instances are allocated separately from the vb2
buffers, with one instance per field. Simplify the allocation by
splitting the fdp1_buffer structure in per-buffer and per-field data,
and let vb2 allocate the the fdp1_buffer structure.
Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
drivers/media/platform/rcar_fdp1.c | 437 ++++++++++++++++++-------------------
1 file changed, 210 insertions(+), 227 deletions(-)
diff --git a/drivers/media/platform/rcar_fdp1.c
b/drivers/media/platform/rcar_fdp1.c
index c25531a919db..d4101a4fd114 100644
--- a/drivers/media/platform/rcar_fdp1.c
+++ b/drivers/media/platform/rcar_fdp1.c
@@ -473,12 +473,12 @@ static const u8 fdp1_mdet[] = {
/* Per-queue, driver-specific private data */
struct fdp1_q_data {
- const struct fdp1_fmt *fmt;
- struct v4l2_pix_format_mplane format;
+ const struct fdp1_fmt *fmt;
+ struct v4l2_pix_format_mplane format;
- unsigned int vsize;
- unsigned int stride_y;
- unsigned int stride_c;
+ unsigned int vsize;
+ unsigned int stride_y;
+ unsigned int stride_c;
};
static const struct fdp1_fmt *fdp1_find_format(u32 pixelformat)
@@ -519,91 +519,102 @@ enum fdp1_deint_mode {
* from the VB buffers using this context structure.
* Will always be a field or a full frame, never two fields.
*/
-struct fdp1_buffer {
- struct vb2_v4l2_buffer *vb;
- dma_addr_t addrs[3];
+struct fdp1_field_buffer {
+ struct vb2_v4l2_buffer *vb;
+ dma_addr_t addrs[3];
/* Should be NONE:TOP:BOTTOM only */
- enum v4l2_field field;
+ enum v4l2_field field;
/* Flag to indicate this is the last field in the vb */
- bool last_field;
+ bool last_field;
/* Buffer queue lists */
- struct list_head list;
+ struct list_head list;
+};
+
+struct fdp1_buffer {
+ struct v4l2_m2m_buffer m2m_buf;
+ struct fdp1_field_buffer fields[2];
+ unsigned int num_fields;
};
+static inline struct fdp1_buffer *to_fdp1_buffer(struct vb2_v4l2_buffer *vb)
+{
+ return container_of(vb, struct fdp1_buffer, m2m_buf.vb);
+}
+
struct fdp1_job {
/* These could be pointers to save 'memory' and copying */
- struct fdp1_buffer *previous;
- struct fdp1_buffer *active;
- struct fdp1_buffer *next;
- struct fdp1_buffer dst;
+ struct fdp1_field_buffer *previous;
+ struct fdp1_field_buffer *active;
+ struct fdp1_field_buffer *next;
+ struct fdp1_field_buffer *dst;
/* A job can only be on one list at a time */
- struct list_head list;
+ struct list_head list;
};
struct fdp1_dev {
- struct v4l2_device v4l2_dev;
- struct video_device vfd;
+ struct v4l2_device v4l2_dev;
+ struct video_device vfd;
- struct mutex dev_mutex;
- spinlock_t irqlock;
- spinlock_t device_process_lock;
+ struct mutex dev_mutex;
+ spinlock_t irqlock;
+ spinlock_t device_process_lock;
- void __iomem *regs;
- unsigned int irq;
- struct device *dev;
+ void __iomem *regs;
+ unsigned int irq;
+ struct device *dev;
/* Job Queues */
- struct fdp1_job jobs[FDP1_NUMBER_JOBS];
- struct list_head free_job_list;
- struct list_head queued_job_list;
- struct list_head hw_job_list;
+ struct fdp1_job jobs[FDP1_NUMBER_JOBS];
+ struct list_head free_job_list;
+ struct list_head queued_job_list;
+ struct list_head hw_job_list;
- unsigned int clk_rate;
+ unsigned int clk_rate;
- struct rcar_fcp_device *fcp;
- struct v4l2_m2m_dev *m2m_dev;
+ struct rcar_fcp_device *fcp;
+ struct v4l2_m2m_dev *m2m_dev;
};
struct fdp1_ctx {
- struct v4l2_fh fh;
- struct fdp1_dev *fdp1;
+ struct v4l2_fh fh;
+ struct fdp1_dev *fdp1;
- struct v4l2_ctrl_handler hdl;
- unsigned int sequence;
+ struct v4l2_ctrl_handler hdl;
+ unsigned int sequence;
/* Processed buffers in this transaction */
- u8 num_processed;
+ u8 num_processed;
/* Transaction length (i.e. how many buffers per transaction) */
- u32 translen;
+ u32 translen;
/* Abort requested by m2m */
- int aborting;
+ int aborting;
/* Deinterlace processing mode */
- enum fdp1_deint_mode deint_mode;
+ enum fdp1_deint_mode deint_mode;
/*
* Adaptive 2d 3d mode uses a shared mask
* This is allocated at streamon, if the ADAPT2D3D mode
* is requested
*/
- unsigned int smsk_size;
- dma_addr_t smsk_addr[2];
- void *smsk_cpu;
+ unsigned int smsk_size;
+ dma_addr_t smsk_addr[2];
+ void *smsk_cpu;
/* Capture pipeline, can specify an alpha value
* for supported formats. 0-255 only
*/
- unsigned char alpha;
+ unsigned char alpha;
/* Source and destination queue data */
- struct fdp1_q_data out_q; /* HW Source */
- struct fdp1_q_data cap_q; /* HW Destination */
+ struct fdp1_q_data out_q; /* HW Source */
+ struct fdp1_q_data cap_q; /* HW Destination */
/*
* Field Queues
@@ -613,16 +624,14 @@ struct fdp1_ctx {
* V4L2 Buffers are tracked inside the fdp1_buffer
* and released when the last 'field' completes
*/
- struct fdp1_buffer buffers[FDP1_NUMBER_BUFFERS];
- struct list_head free_buffers;
- struct list_head fdp1_buffer_queue;
- unsigned int buffers_queued;
+ struct list_head fields_queue;
+ unsigned int buffers_queued;
/*
* For de-interlacing we need to track our previous buffer
* while preparing our job lists.
*/
- struct fdp1_buffer *previous;
+ struct fdp1_field_buffer *previous;
};
static inline struct fdp1_ctx *fh_to_ctx(struct v4l2_fh *fh)
@@ -711,90 +720,61 @@ static struct fdp1_job *get_hw_queued_job(struct fdp1_dev
*fdp1)
/*
* Buffer lists handling
*/
-static struct fdp1_buffer *list_remove_buffer(struct fdp1_dev *fdp1,
- struct list_head *list)
+static void fdp1_field_complete(struct fdp1_ctx *ctx,
+ struct fdp1_field_buffer *fbuf)
{
- struct fdp1_buffer *buf;
- unsigned long flags;
-
- spin_lock_irqsave(&fdp1->irqlock, flags);
- buf = list_first_entry_or_null(list, struct fdp1_buffer, list);
- if (buf)
- list_del(&buf->list);
- spin_unlock_irqrestore(&fdp1->irqlock, flags);
+ /* job->previous may be on the first field */
+ if (!fbuf)
+ return;
- return buf;
+ if (fbuf->last_field)
+ v4l2_m2m_buf_done(fbuf->vb, VB2_BUF_STATE_DONE);
}
-/*
- * list_add_buffer: Add a buffer to the specified list
- *
- * Returns: void - always succeeds
- */
-static void list_add_buffer(struct fdp1_dev *fdp1,
- struct list_head *list,
- struct fdp1_buffer *buf)
+static void fdp1_queue_field(struct fdp1_ctx *ctx,
+ struct fdp1_field_buffer *fbuf)
{
unsigned long flags;
- spin_lock_irqsave(&fdp1->irqlock, flags);
- list_add_tail(&buf->list, list);
- spin_unlock_irqrestore(&fdp1->irqlock, flags);
-}
+ spin_lock_irqsave(&ctx->fdp1->irqlock, flags);
+ list_add_tail(&fbuf->list, &ctx->fields_queue);
+ spin_unlock_irqrestore(&ctx->fdp1->irqlock, flags);
-/*
- * fdp1_buffer_alloc: Retrieve a buffer to track a single field/frame
- *
- * Must always return a buffer, and should block if necessary.
- */
-static struct fdp1_buffer *fdp1_buffer_alloc(struct fdp1_ctx *ctx)
-{
- return list_remove_buffer(ctx->fdp1, &ctx->free_buffers);
+ ctx->buffers_queued++;
}
-static void fdp1_buffer_free(struct fdp1_ctx *ctx,
- struct fdp1_buffer *buf)
+static struct fdp1_field_buffer *fdp1_dequeue_field(struct fdp1_ctx *ctx)
{
- /* job->previous may be on the first field */
- if (!buf)
- return;
-
- if (buf->last_field)
- v4l2_m2m_buf_done(buf->vb, VB2_BUF_STATE_DONE);
-
- memset(buf, 0, sizeof(struct fdp1_buffer));
+ struct fdp1_field_buffer *fbuf;
+ unsigned long flags;
- list_add_buffer(ctx->fdp1, &ctx->free_buffers, buf);
-}
+ ctx->buffers_queued--;
-static void queue_buffer(struct fdp1_ctx *ctx, struct fdp1_buffer *buf)
-{
- list_add_buffer(ctx->fdp1, &ctx->fdp1_buffer_queue, buf);
- ctx->buffers_queued++;
-}
+ spin_lock_irqsave(&ctx->fdp1->irqlock, flags);
+ fbuf = list_first_entry_or_null(&ctx->fields_queue,
+ struct fdp1_field_buffer, list);
+ if (fbuf)
+ list_del(&fbuf->list);
+ spin_unlock_irqrestore(&ctx->fdp1->irqlock, flags);
-static struct fdp1_buffer *dequeue_buffer(struct fdp1_ctx *ctx)
-{
- ctx->buffers_queued--;
- return list_remove_buffer(ctx->fdp1, &ctx->fdp1_buffer_queue);
+ return fbuf;
}
/*
- * Return the next buffer in the queue - or NULL,
+ * Return the next field in the queue - or NULL,
* without removing the item from the list
*/
-static struct fdp1_buffer *peek_queued_buffer(struct fdp1_ctx *ctx)
+static struct fdp1_field_buffer *fdp1_peek_queued_field(struct fdp1_ctx *ctx)
{
- struct fdp1_dev *fdp1 = ctx->fdp1;
+ struct fdp1_field_buffer *fbuf;
unsigned long flags;
- struct fdp1_buffer *buf;
- spin_lock_irqsave(&fdp1->irqlock, flags);
- buf = list_first_entry_or_null(&ctx->fdp1_buffer_queue,
- struct fdp1_buffer, list);
- spin_unlock_irqrestore(&fdp1->irqlock, flags);
+ spin_lock_irqsave(&ctx->fdp1->irqlock, flags);
+ fbuf = list_first_entry_or_null(&ctx->fields_queue,
+ struct fdp1_field_buffer, list);
+ spin_unlock_irqrestore(&ctx->fdp1->irqlock, flags);
- return buf;
+ return fbuf;
}
static u32 fdp1_read(struct fdp1_dev *fdp1, unsigned int reg)
@@ -1015,9 +995,9 @@ static void fdp1_configure_wpf(struct fdp1_ctx *ctx,
fdp1_write(fdp1, swap, FD1_WPF_SWAP);
fdp1_write(fdp1, pstride, FD1_WPF_PSTRIDE);
- fdp1_write(fdp1, job->dst.addrs[0], FD1_WPF_ADDR_Y);
- fdp1_write(fdp1, job->dst.addrs[1], FD1_WPF_ADDR_C0);
- fdp1_write(fdp1, job->dst.addrs[2], FD1_WPF_ADDR_C1);
+ fdp1_write(fdp1, job->dst->addrs[0], FD1_WPF_ADDR_Y);
+ fdp1_write(fdp1, job->dst->addrs[1], FD1_WPF_ADDR_C0);
+ fdp1_write(fdp1, job->dst->addrs[2], FD1_WPF_ADDR_C1);
}
static void fdp1_configure_deint_mode(struct fdp1_ctx *ctx,
@@ -1196,80 +1176,15 @@ static void fdp1_m2m_job_abort(void *priv)
}
/*
- * prepare_buffer: Prepare an fdp1_buffer, from a vb2_v4l2_buffer
- *
- * This helps us serialise buffers containing two fields into
- * sequential top and bottom fields.
- * Destination buffers also go through this function to
- * set the vb and addrs in the same manner.
- */
-static void prepare_buffer(struct fdp1_ctx *ctx,
- struct fdp1_buffer *buf,
- struct vb2_v4l2_buffer *vb,
- bool next_field, bool last_field)
-{
- struct fdp1_q_data *q_data = get_q_data(ctx, vb->vb2_buf.type);
- unsigned int i;
-
- buf->vb = vb;
- buf->last_field = last_field;
-
- for (i = 0; i < vb->vb2_buf.num_planes; ++i)
- buf->addrs[i] = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, i);
-
- switch (vb->field) {
- case V4L2_FIELD_INTERLACED:
- /*
- * Interlaced means bottom-top for 60Hz TV standards (NTSC) and
- * top-bottom for 50Hz. As TV standards are not applicable to
- * the mem-to-mem API, use the height as a heuristic.
- */
- buf->field = (q_data->format.height < 576) == next_field
- ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
- break;
- case V4L2_FIELD_INTERLACED_TB:
- case V4L2_FIELD_SEQ_TB:
- buf->field = next_field ? V4L2_FIELD_BOTTOM : V4L2_FIELD_TOP;
- break;
- case V4L2_FIELD_INTERLACED_BT:
- case V4L2_FIELD_SEQ_BT:
- buf->field = next_field ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
- break;
- default:
- buf->field = vb->field;
- break;
- }
-
- /* Buffer is completed */
- if (next_field == false)
- return;
-
- /* Adjust buffer addresses for second field */
- switch (vb->field) {
- case V4L2_FIELD_INTERLACED:
- case V4L2_FIELD_INTERLACED_TB:
- case V4L2_FIELD_INTERLACED_BT:
- for (i = 0; i < vb->vb2_buf.num_planes; i++)
- buf->addrs[i] +=
- (i == 0 ? q_data->stride_y : q_data->stride_c);
- break;
- case V4L2_FIELD_SEQ_TB:
- case V4L2_FIELD_SEQ_BT:
- for (i = 0; i < vb->vb2_buf.num_planes; i++)
- buf->addrs[i] += q_data->vsize *
- (i == 0 ? q_data->stride_y : q_data->stride_c);
- break;
- }
-}
-
-/*
- * prepare_job: Prepare and queue a new job for a single action of work
+ * fdp1_prepare_job: Prepare and queue a new job for a single action of work
*
* Prepare the next field, (or frame in progressive) and an output
* buffer for the hardware to perform a single operation.
*/
-static struct fdp1_job *prepare_job(struct fdp1_ctx *ctx)
+static struct fdp1_job *fdp1_prepare_job(struct fdp1_ctx *ctx)
{
+ struct vb2_v4l2_buffer *vbuf;
+ struct fdp1_buffer *fbuf;
struct fdp1_dev *fdp1 = ctx->fdp1;
struct fdp1_job *job;
unsigned int buffers_required = 1;
@@ -1280,7 +1195,7 @@ static struct fdp1_job *prepare_job(struct fdp1_ctx *ctx)
buffers_required = 2;
if (ctx->buffers_queued < buffers_required)
- return 0;
+ return NULL;
job = fdp1_job_alloc(fdp1);
if (!job) {
@@ -1288,7 +1203,7 @@ static struct fdp1_job *prepare_job(struct fdp1_ctx *ctx)
return NULL;
}
- job->active = dequeue_buffer(ctx);
+ job->active = fdp1_dequeue_field(ctx);
if (!job->active) {
/* Buffer check should prevent this ever happening */
dprintk(fdp1, "No input buffers currently available\n");
@@ -1302,11 +1217,12 @@ static struct fdp1_job *prepare_job(struct fdp1_ctx
*ctx)
/* Source buffers have been prepared on our buffer_queue
* Prepare our Output buffer
*/
- job->dst.vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
- prepare_buffer(ctx, &job->dst, job->dst.vb, false, true);
+ vbuf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+ fbuf = to_fdp1_buffer(vbuf);
+ job->dst = &fbuf->fields[0];
job->active->vb->sequence = ctx->sequence;
- job->dst.vb->sequence = ctx->sequence;
+ job->dst->vb->sequence = ctx->sequence;
ctx->sequence++;
if (FDP1_DEINT_MODE_USES_PREV(ctx->deint_mode)) {
@@ -1318,14 +1234,14 @@ static struct fdp1_job *prepare_job(struct fdp1_ctx
*ctx)
if (FDP1_DEINT_MODE_USES_NEXT(ctx->deint_mode)) {
/* Must be called after 'active' is dequeued */
- job->next = peek_queued_buffer(ctx);
+ job->next = fdp1_peek_queued_field(ctx);
}
/* Transfer timestamps and flags from src->dst */
- job->dst.vb->vb2_buf.timestamp = job->active->vb->vb2_buf.timestamp;
+ job->dst->vb->vb2_buf.timestamp = job->active->vb->vb2_buf.timestamp;
- job->dst.vb->flags = job->active->vb->flags &
+ job->dst->vb->flags = job->active->vb->flags &
V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
/* Ideally, the frame-end function will just 'check' to see
@@ -1351,9 +1267,8 @@ static void fdp1_m2m_device_run(void *priv)
{
struct fdp1_ctx *ctx = priv;
struct fdp1_dev *fdp1 = ctx->fdp1;
- struct fdp1_q_data *src_q_data = &ctx->out_q;
struct vb2_v4l2_buffer *src_vb;
- int fields = V4L2_FIELD_HAS_BOTH(src_q_data->format.field) ? 2 : 1;
+ struct fdp1_buffer *buf;
unsigned int i;
dprintk(fdp1, "+\n");
@@ -1362,19 +1277,18 @@ static void fdp1_m2m_device_run(void *priv)
/* Get our incoming buffer of either one or two fields, or one frame */
src_vb = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+ buf = to_fdp1_buffer(src_vb);
- for (i = 0; i < fields; i++) {
- struct fdp1_buffer *buf = fdp1_buffer_alloc(ctx);
- bool last_field = (i+1 == fields);
+ for (i = 0; i < buf->num_fields; i++) {
+ struct fdp1_field_buffer *fbuf = &buf->fields[i];
- prepare_buffer(ctx, buf, src_vb, i, last_field);
- queue_buffer(ctx, buf);
+ fdp1_queue_field(ctx, fbuf);
dprintk(fdp1, "Queued Buffer [%d] last_field:%d\n",
- i, last_field);
+ i, fbuf->last_field);
}
/* Queue as many jobs as our data provides for */
- while (prepare_job(ctx))
+ while (fdp1_prepare_job(ctx))
;
if (ctx->translen == 0) {
@@ -1412,16 +1326,17 @@ static void device_frame_end(struct fdp1_dev *fdp1,
ctx->num_processed++;
/*
- * fdp1_buffer_free will call buf_done only when the last vb2_buffer
+ * fdp1_field_complete will call buf_done only when the last vb2_buffer
* reference is complete
*/
if (FDP1_DEINT_MODE_USES_PREV(ctx->deint_mode))
- fdp1_buffer_free(ctx, job->previous);
+ fdp1_field_complete(ctx, job->previous);
else
- fdp1_buffer_free(ctx, job->active);
+ fdp1_field_complete(ctx, job->active);
spin_lock_irqsave(&fdp1->irqlock, flags);
- v4l2_m2m_buf_done(job->dst.vb, state);
+ v4l2_m2m_buf_done(job->dst->vb, state);
+ job->dst = NULL;
spin_unlock_irqrestore(&fdp1->irqlock, flags);
/* Move this job back to the free job list */
@@ -1875,15 +1790,84 @@ static int fdp1_queue_setup(struct vb2_queue *vq,
return 0;
}
+/*
+ * prepare_buffer: Prepare an fdp1_buffer, from a vb2_v4l2_buffer
+ *
+ * This helps us serialise buffers containing two fields into
+ * sequential top and bottom fields.
+ * Destination buffers also go through this function to
+ * set the vb and addrs in the same manner.
+ */
+static void fdp1_buf_prepare_field(struct fdp1_q_data *q_data,
+ struct vb2_v4l2_buffer *vbuf,
+ unsigned int field_num)
+{
+ struct fdp1_buffer *buf = to_fdp1_buffer(vbuf);
+ struct fdp1_field_buffer *fbuf = &buf->fields[field_num];
+ unsigned int num_fields;
+ unsigned int i;
+
+ num_fields = V4L2_FIELD_HAS_BOTH(vbuf->field) ? 2 : 1;
+
+ fbuf->vb = vbuf;
+ fbuf->last_field = (field_num + 1) == num_fields;
+
+ for (i = 0; i < vbuf->vb2_buf.num_planes; ++i)
+ fbuf->addrs[i] = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf,
i);
+
+ switch (vbuf->field) {
+ case V4L2_FIELD_INTERLACED:
+ /*
+ * Interlaced means bottom-top for 60Hz TV standards (NTSC) and
+ * top-bottom for 50Hz. As TV standards are not applicable to
+ * the mem-to-mem API, use the height as a heuristic.
+ */
+ fbuf->field = (q_data->format.height < 576) == field_num
+ ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
+ break;
+ case V4L2_FIELD_INTERLACED_TB:
+ case V4L2_FIELD_SEQ_TB:
+ fbuf->field = field_num ? V4L2_FIELD_BOTTOM : V4L2_FIELD_TOP;
+ break;
+ case V4L2_FIELD_INTERLACED_BT:
+ case V4L2_FIELD_SEQ_BT:
+ fbuf->field = field_num ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
+ break;
+ default:
+ fbuf->field = vbuf->field;
+ break;
+ }
+
+ /* Buffer is completed */
+ if (!field_num)
+ return;
+
+ /* Adjust buffer addresses for second field */
+ switch (vbuf->field) {
+ case V4L2_FIELD_INTERLACED:
+ case V4L2_FIELD_INTERLACED_TB:
+ case V4L2_FIELD_INTERLACED_BT:
+ for (i = 0; i < vbuf->vb2_buf.num_planes; i++)
+ fbuf->addrs[i] +=
+ (i == 0 ? q_data->stride_y : q_data->stride_c);
+ break;
+ case V4L2_FIELD_SEQ_TB:
+ case V4L2_FIELD_SEQ_BT:
+ for (i = 0; i < vbuf->vb2_buf.num_planes; i++)
+ fbuf->addrs[i] += q_data->vsize *
+ (i == 0 ? q_data->stride_y : q_data->stride_c);
+ break;
+ }
+}
+
static int fdp1_buf_prepare(struct vb2_buffer *vb)
{
- struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct fdp1_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
- struct fdp1_q_data *q_data;
+ struct fdp1_q_data *q_data = get_q_data(ctx, vb->vb2_queue->type);
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct fdp1_buffer *buf = to_fdp1_buffer(vbuf);
unsigned int i;
- q_data = get_q_data(ctx, vb->vb2_queue->type);
-
if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
bool field_valid = true;
@@ -1936,6 +1920,10 @@ static int fdp1_buf_prepare(struct vb2_buffer *vb)
vb2_set_plane_payload(vb, i, size);
}
+ buf->num_fields = V4L2_FIELD_HAS_BOTH(vbuf->field) ? 2 : 1;
+ for (i = 0; i < buf->num_fields; ++i)
+ fdp1_buf_prepare_field(q_data, vbuf, i);
+
return 0;
}
@@ -2007,13 +1995,13 @@ static void fdp1_stop_streaming(struct vb2_queue *q)
/* Empty Output queues */
if (V4L2_TYPE_IS_OUTPUT(q->type)) {
/* Empty our internal queues */
- struct fdp1_buffer *b;
+ struct fdp1_field_buffer *fbuf;
/* Free any queued buffers */
- b = dequeue_buffer(ctx);
- while (b != NULL) {
- fdp1_buffer_free(ctx, b);
- b = dequeue_buffer(ctx);
+ fbuf = fdp1_dequeue_field(ctx);
+ while (fbuf != NULL) {
+ fdp1_field_complete(ctx, fbuf);
+ fbuf = fdp1_dequeue_field(ctx);
}
/* Free smsk_data */
@@ -2024,7 +2012,7 @@ static void fdp1_stop_streaming(struct vb2_queue *q)
ctx->smsk_cpu = NULL;
}
- WARN(!list_empty(&ctx->fdp1_buffer_queue),
+ WARN(!list_empty(&ctx->fields_queue),
"Buffer queue not empty");
} else {
/* Empty Capture queues (Jobs) */
@@ -2033,17 +2021,18 @@ static void fdp1_stop_streaming(struct vb2_queue *q)
job = get_queued_job(ctx->fdp1);
while (job) {
if (FDP1_DEINT_MODE_USES_PREV(ctx->deint_mode))
- fdp1_buffer_free(ctx, job->previous);
+ fdp1_field_complete(ctx, job->previous);
else
- fdp1_buffer_free(ctx, job->active);
+ fdp1_field_complete(ctx, job->active);
- v4l2_m2m_buf_done(job->dst.vb, VB2_BUF_STATE_ERROR);
+ v4l2_m2m_buf_done(job->dst->vb, VB2_BUF_STATE_ERROR);
+ job->dst = NULL;
job = get_queued_job(ctx->fdp1);
}
/* Free any held buffer in the ctx */
- fdp1_buffer_free(ctx, ctx->previous);
+ fdp1_field_complete(ctx, ctx->previous);
WARN(!list_empty(&ctx->fdp1->queued_job_list),
"Queued Job List not empty");
@@ -2072,7 +2061,7 @@ static int queue_init(void *priv, struct vb2_queue
*src_vq,
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
src_vq->drv_priv = ctx;
- src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ src_vq->buf_struct_size = sizeof(struct fdp1_buffer);
src_vq->ops = &fdp1_qops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
@@ -2086,7 +2075,7 @@ static int queue_init(void *priv, struct vb2_queue
*src_vq,
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
dst_vq->drv_priv = ctx;
- dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ dst_vq->buf_struct_size = sizeof(struct fdp1_buffer);
dst_vq->ops = &fdp1_qops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
@@ -2105,7 +2094,6 @@ static int fdp1_open(struct file *file)
struct v4l2_pix_format_mplane format;
struct fdp1_ctx *ctx = NULL;
struct v4l2_ctrl *ctrl;
- unsigned int i;
int ret = 0;
if (mutex_lock_interruptible(&fdp1->dev_mutex))
@@ -2122,12 +2110,7 @@ static int fdp1_open(struct file *file)
ctx->fdp1 = fdp1;
/* Initialise Queues */
- INIT_LIST_HEAD(&ctx->free_buffers);
- INIT_LIST_HEAD(&ctx->fdp1_buffer_queue);
-
- /* Initialise the buffers on the free list */
- for (i = 0; i < ARRAY_SIZE(ctx->buffers); i++)
- list_add(&ctx->buffers[i].list, &ctx->free_buffers);
+ INIT_LIST_HEAD(&ctx->fields_queue);
ctx->translen = 1;
ctx->sequence = 0;
--
Regards,
Laurent Pinchart
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