diff options
| -rw-r--r-- | drivers/media/video/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/media/video/v4l2-mem2mem.c | 232 | ||||
| -rw-r--r-- | include/media/v4l2-mem2mem.h | 56 |
3 files changed, 152 insertions, 140 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 8710d90f9e1..3749c8941d0 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -42,7 +42,7 @@ config VIDEO_TUNER config V4L2_MEM2MEM_DEV tristate - depends on VIDEOBUF_GEN + depends on VIDEOBUF2_CORE config VIDEOBUF2_CORE tristate @@ -989,6 +989,7 @@ if V4L_MEM2MEM_DRIVERS config VIDEO_MEM2MEM_TESTDEV tristate "Virtual test device for mem2mem framework" depends on VIDEO_DEV && VIDEO_V4L2 + depends on BROKEN select VIDEOBUF_VMALLOC select V4L2_MEM2MEM_DEV default n @@ -999,6 +1000,7 @@ config VIDEO_MEM2MEM_TESTDEV config VIDEO_SAMSUNG_S5P_FIMC tristate "Samsung S5P FIMC (video postprocessor) driver" depends on VIDEO_DEV && VIDEO_V4L2 && PLAT_S5P + depends on BROKEN select VIDEOBUF_DMA_CONTIG select V4L2_MEM2MEM_DEV help diff --git a/drivers/media/video/v4l2-mem2mem.c b/drivers/media/video/v4l2-mem2mem.c index ac832a28e18..a78e5c9be1a 100644 --- a/drivers/media/video/v4l2-mem2mem.c +++ b/drivers/media/video/v4l2-mem2mem.c @@ -17,7 +17,7 @@ #include <linux/sched.h> #include <linux/slab.h> -#include <media/videobuf-core.h> +#include <media/videobuf2-core.h> #include <media/v4l2-mem2mem.h> MODULE_DESCRIPTION("Mem to mem device framework for videobuf"); @@ -65,21 +65,16 @@ struct v4l2_m2m_dev { static struct v4l2_m2m_queue_ctx *get_queue_ctx(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type) { - switch (type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - return &m2m_ctx->cap_q_ctx; - case V4L2_BUF_TYPE_VIDEO_OUTPUT: + if (V4L2_TYPE_IS_OUTPUT(type)) return &m2m_ctx->out_q_ctx; - default: - printk(KERN_ERR "Invalid buffer type\n"); - return NULL; - } + else + return &m2m_ctx->cap_q_ctx; } /** - * v4l2_m2m_get_vq() - return videobuf_queue for the given type + * v4l2_m2m_get_vq() - return vb2_queue for the given type */ -struct videobuf_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx, +struct vb2_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type) { struct v4l2_m2m_queue_ctx *q_ctx; @@ -95,27 +90,20 @@ EXPORT_SYMBOL(v4l2_m2m_get_vq); /** * v4l2_m2m_next_buf() - return next buffer from the list of ready buffers */ -void *v4l2_m2m_next_buf(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type) +void *v4l2_m2m_next_buf(struct v4l2_m2m_queue_ctx *q_ctx) { - struct v4l2_m2m_queue_ctx *q_ctx; - struct videobuf_buffer *vb = NULL; + struct v4l2_m2m_buffer *b = NULL; unsigned long flags; - q_ctx = get_queue_ctx(m2m_ctx, type); - if (!q_ctx) - return NULL; - - spin_lock_irqsave(q_ctx->q.irqlock, flags); + spin_lock_irqsave(&q_ctx->rdy_spinlock, flags); if (list_empty(&q_ctx->rdy_queue)) goto end; - vb = list_entry(q_ctx->rdy_queue.next, struct videobuf_buffer, queue); - vb->state = VIDEOBUF_ACTIVE; - + b = list_entry(q_ctx->rdy_queue.next, struct v4l2_m2m_buffer, list); end: - spin_unlock_irqrestore(q_ctx->q.irqlock, flags); - return vb; + spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags); + return &b->vb; } EXPORT_SYMBOL_GPL(v4l2_m2m_next_buf); @@ -123,26 +111,21 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_next_buf); * v4l2_m2m_buf_remove() - take off a buffer from the list of ready buffers and * return it */ -void *v4l2_m2m_buf_remove(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type) +void *v4l2_m2m_buf_remove(struct v4l2_m2m_queue_ctx *q_ctx) { - struct v4l2_m2m_queue_ctx *q_ctx; - struct videobuf_buffer *vb = NULL; + struct v4l2_m2m_buffer *b = NULL; unsigned long flags; - q_ctx = get_queue_ctx(m2m_ctx, type); - if (!q_ctx) - return NULL; - - spin_lock_irqsave(q_ctx->q.irqlock, flags); + spin_lock_irqsave(&q_ctx->rdy_spinlock, flags); if (!list_empty(&q_ctx->rdy_queue)) { - vb = list_entry(q_ctx->rdy_queue.next, struct videobuf_buffer, - queue); - list_del(&vb->queue); + b = list_entry(q_ctx->rdy_queue.next, struct v4l2_m2m_buffer, + list); + list_del(&b->list); q_ctx->num_rdy--; } - spin_unlock_irqrestore(q_ctx->q.irqlock, flags); + spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags); - return vb; + return &b->vb; } EXPORT_SYMBOL_GPL(v4l2_m2m_buf_remove); @@ -235,20 +218,20 @@ static void v4l2_m2m_try_schedule(struct v4l2_m2m_ctx *m2m_ctx) return; } - spin_lock_irqsave(m2m_ctx->out_q_ctx.q.irqlock, flags); + spin_lock_irqsave(&m2m_ctx->out_q_ctx.rdy_spinlock, flags); if (list_empty(&m2m_ctx->out_q_ctx.rdy_queue)) { - spin_unlock_irqrestore(m2m_ctx->out_q_ctx.q.irqlock, flags); + spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock, flags); spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags_job); dprintk("No input buffers available\n"); return; } if (list_empty(&m2m_ctx->cap_q_ctx.rdy_queue)) { - spin_unlock_irqrestore(m2m_ctx->out_q_ctx.q.irqlock, flags); + spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock, flags); spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags_job); dprintk("No output buffers available\n"); return; } - spin_unlock_irqrestore(m2m_ctx->out_q_ctx.q.irqlock, flags); + spin_unlock_irqrestore(&m2m_ctx->out_q_ctx.rdy_spinlock, flags); if (m2m_dev->m2m_ops->job_ready && (!m2m_dev->m2m_ops->job_ready(m2m_ctx->priv))) { @@ -291,6 +274,7 @@ void v4l2_m2m_job_finish(struct v4l2_m2m_dev *m2m_dev, list_del(&m2m_dev->curr_ctx->queue); m2m_dev->curr_ctx->job_flags &= ~(TRANS_QUEUED | TRANS_RUNNING); + wake_up(&m2m_dev->curr_ctx->finished); m2m_dev->curr_ctx = NULL; spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags); @@ -309,10 +293,10 @@ EXPORT_SYMBOL(v4l2_m2m_job_finish); int v4l2_m2m_reqbufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_requestbuffers *reqbufs) { - struct videobuf_queue *vq; + struct vb2_queue *vq; vq = v4l2_m2m_get_vq(m2m_ctx, reqbufs->type); - return videobuf_reqbufs(vq, reqbufs); + return vb2_reqbufs(vq, reqbufs); } EXPORT_SYMBOL_GPL(v4l2_m2m_reqbufs); @@ -324,15 +308,22 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_reqbufs); int v4l2_m2m_querybuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_buffer *buf) { - struct videobuf_queue *vq; - int ret; + struct vb2_queue *vq; + int ret = 0; + unsigned int i; vq = v4l2_m2m_get_vq(m2m_ctx, buf->type); - ret = videobuf_querybuf(vq, buf); - - if (buf->memory == V4L2_MEMORY_MMAP - && vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - buf->m.offset += DST_QUEUE_OFF_BASE; + ret = vb2_querybuf(vq, buf); + + /* Adjust MMAP memory offsets for the CAPTURE queue */ + if (buf->memory == V4L2_MEMORY_MMAP && !V4L2_TYPE_IS_OUTPUT(vq->type)) { + if (V4L2_TYPE_IS_MULTIPLANAR(vq->type)) { + for (i = 0; i < buf->length; ++i) + buf->m.planes[i].m.mem_offset + += DST_QUEUE_OFF_BASE; + } else { + buf->m.offset += DST_QUEUE_OFF_BASE; + } } return ret; @@ -346,11 +337,11 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_querybuf); int v4l2_m2m_qbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_buffer *buf) { - struct videobuf_queue *vq; + struct vb2_queue *vq; int ret; vq = v4l2_m2m_get_vq(m2m_ctx, buf->type); - ret = videobuf_qbuf(vq, buf); + ret = vb2_qbuf(vq, buf); if (!ret) v4l2_m2m_try_schedule(m2m_ctx); @@ -365,10 +356,10 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_qbuf); int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_buffer *buf) { - struct videobuf_queue *vq; + struct vb2_queue *vq; vq = v4l2_m2m_get_vq(m2m_ctx, buf->type); - return videobuf_dqbuf(vq, buf, file->f_flags & O_NONBLOCK); + return vb2_dqbuf(vq, buf, file->f_flags & O_NONBLOCK); } EXPORT_SYMBOL_GPL(v4l2_m2m_dqbuf); @@ -378,11 +369,11 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_dqbuf); int v4l2_m2m_streamon(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type) { - struct videobuf_queue *vq; + struct vb2_queue *vq; int ret; vq = v4l2_m2m_get_vq(m2m_ctx, type); - ret = videobuf_streamon(vq); + ret = vb2_streamon(vq, type); if (!ret) v4l2_m2m_try_schedule(m2m_ctx); @@ -396,10 +387,10 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_streamon); int v4l2_m2m_streamoff(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type) { - struct videobuf_queue *vq; + struct vb2_queue *vq; vq = v4l2_m2m_get_vq(m2m_ctx, type); - return videobuf_streamoff(vq); + return vb2_streamoff(vq, type); } EXPORT_SYMBOL_GPL(v4l2_m2m_streamoff); @@ -414,44 +405,53 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_streamoff); unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct poll_table_struct *wait) { - struct videobuf_queue *src_q, *dst_q; - struct videobuf_buffer *src_vb = NULL, *dst_vb = NULL; + struct vb2_queue *src_q, *dst_q; + struct vb2_buffer *src_vb = NULL, *dst_vb = NULL; unsigned int rc = 0; + unsigned long flags; src_q = v4l2_m2m_get_src_vq(m2m_ctx); dst_q = v4l2_m2m_get_dst_vq(m2m_ctx); - videobuf_queue_lock(src_q); - videobuf_queue_lock(dst_q); - - if (src_q->streaming && !list_empty(&src_q->stream)) - src_vb = list_first_entry(&src_q->stream, - struct videobuf_buffer, stream); - if (dst_q->streaming && !list_empty(&dst_q->stream)) - dst_vb = list_first_entry(&dst_q->stream, - struct videobuf_buffer, stream); - - if (!src_vb && !dst_vb) { + /* + * There has to be at least one buffer queued on each queued_list, which + * means either in driver already or waiting for driver to claim it + * and start processing. + */ + if ((!src_q->streaming || list_empty(&src_q->queued_list)) + && (!dst_q->streaming || list_empty(&dst_q->queued_list))) { rc = POLLERR; goto end; } - if (src_vb) { - poll_wait(file, &src_vb->done, wait); - if (src_vb->state == VIDEOBUF_DONE - || src_vb->state == VIDEOBUF_ERROR) - rc |= POLLOUT | POLLWRNORM; - } - if (dst_vb) { - poll_wait(file, &dst_vb->done, wait); - if (dst_vb->state == VIDEOBUF_DONE - || dst_vb->state == VIDEOBUF_ERROR) - rc |= POLLIN | POLLRDNORM; - } + if (m2m_ctx->m2m_dev->m2m_ops->unlock) + m2m_ctx->m2m_dev->m2m_ops->unlock(m2m_ctx->priv); + + poll_wait(file, &src_q->done_wq, wait); + poll_wait(file, &dst_q->done_wq, wait); + + if (m2m_ctx->m2m_dev->m2m_ops->lock) + m2m_ctx->m2m_dev->m2m_ops->lock(m2m_ctx->priv); + + spin_lock_irqsave(&src_q->done_lock, flags); + if (!list_empty(&src_q->done_list)) + src_vb = list_first_entry(&src_q->done_list, struct vb2_buffer, + done_entry); + if (src_vb && (src_vb->state == VB2_BUF_STATE_DONE + || src_vb->state == VB2_BUF_STATE_ERROR)) + rc |= POLLOUT | POLLWRNORM; + spin_unlock_irqrestore(&src_q->done_lock, flags); + + spin_lock_irqsave(&dst_q->done_lock, flags); + if (!list_empty(&dst_q->done_list)) + dst_vb = list_first_entry(&dst_q->done_list, struct vb2_buffer, + done_entry); + if (dst_vb && (dst_vb->state == VB2_BUF_STATE_DONE + || dst_vb->state == VB2_BUF_STATE_ERROR)) + rc |= POLLIN | POLLRDNORM; + spin_unlock_irqrestore(&dst_q->done_lock, flags); end: - videobuf_queue_unlock(dst_q); - videobuf_queue_unlock(src_q); return rc; } EXPORT_SYMBOL_GPL(v4l2_m2m_poll); @@ -470,7 +470,7 @@ int v4l2_m2m_mmap(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct vm_area_struct *vma) { unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; - struct videobuf_queue *vq; + struct vb2_queue *vq; if (offset < DST_QUEUE_OFF_BASE) { vq = v4l2_m2m_get_src_vq(m2m_ctx); @@ -479,7 +479,7 @@ int v4l2_m2m_mmap(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, vma->vm_pgoff -= (DST_QUEUE_OFF_BASE >> PAGE_SHIFT); } - return videobuf_mmap_mapper(vq, vma); + return vb2_mmap(vq, vma); } EXPORT_SYMBOL(v4l2_m2m_mmap); @@ -531,36 +531,41 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_release); * * Usually called from driver's open() function. */ -struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(void *priv, struct v4l2_m2m_dev *m2m_dev, - void (*vq_init)(void *priv, struct videobuf_queue *, - enum v4l2_buf_type)) +struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(struct v4l2_m2m_dev *m2m_dev, + void *drv_priv, + int (*queue_init)(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)) { struct v4l2_m2m_ctx *m2m_ctx; struct v4l2_m2m_queue_ctx *out_q_ctx, *cap_q_ctx; - - if (!vq_init) - return ERR_PTR(-EINVAL); + int ret; m2m_ctx = kzalloc(sizeof *m2m_ctx, GFP_KERNEL); if (!m2m_ctx) return ERR_PTR(-ENOMEM); - m2m_ctx->priv = priv; + m2m_ctx->priv = drv_priv; m2m_ctx->m2m_dev = m2m_dev; + init_waitqueue_head(&m2m_ctx->finished); - out_q_ctx = get_queue_ctx(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - cap_q_ctx = get_queue_ctx(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + out_q_ctx = &m2m_ctx->out_q_ctx; + cap_q_ctx = &m2m_ctx->cap_q_ctx; INIT_LIST_HEAD(&out_q_ctx->rdy_queue); INIT_LIST_HEAD(&cap_q_ctx->rdy_queue); + spin_lock_init(&out_q_ctx->rdy_spinlock); + spin_lock_init(&cap_q_ctx->rdy_spinlock); INIT_LIST_HEAD(&m2m_ctx->queue); - vq_init(priv, &out_q_ctx->q, V4L2_BUF_TYPE_VIDEO_OUTPUT); - vq_init(priv, &cap_q_ctx->q, V4L2_BUF_TYPE_VIDEO_CAPTURE); - out_q_ctx->q.priv_data = cap_q_ctx->q.priv_data = priv; + ret = queue_init(drv_priv, &out_q_ctx->q, &cap_q_ctx->q); + + if (ret) + goto err; return m2m_ctx; +err: + kfree(m2m_ctx); + return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(v4l2_m2m_ctx_init); @@ -572,7 +577,6 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_ctx_init); void v4l2_m2m_ctx_release(struct v4l2_m2m_ctx *m2m_ctx) { struct v4l2_m2m_dev *m2m_dev; - struct videobuf_buffer *vb; unsigned long flags; m2m_dev = m2m_ctx->m2m_dev; @@ -582,10 +586,7 @@ void v4l2_m2m_ctx_release(struct v4l2_m2m_ctx *m2m_ctx) spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags); m2m_dev->m2m_ops->job_abort(m2m_ctx->priv); dprintk("m2m_ctx %p running, will wait to complete", m2m_ctx); - vb = v4l2_m2m_next_dst_buf(m2m_ctx); - BUG_ON(NULL == vb); - wait_event(vb->done, vb->state != VIDEOBUF_ACTIVE - && vb->state != VIDEOBUF_QUEUED); + wait_event(m2m_ctx->finished, !(m2m_ctx->job_flags & TRANS_RUNNING)); } else if (m2m_ctx->job_flags & TRANS_QUEUED) { list_del(&m2m_ctx->queue); m2m_ctx->job_flags &= ~(TRANS_QUEUED | TRANS_RUNNING); @@ -597,11 +598,8 @@ void v4l2_m2m_ctx_release(struct v4l2_m2m_ctx *m2m_ctx) spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags); } - videobuf_stop(&m2m_ctx->cap_q_ctx.q); - videobuf_stop(&m2m_ctx->out_q_ctx.q); - - videobuf_mmap_free(&m2m_ctx->cap_q_ctx.q); - videobuf_mmap_free(&m2m_ctx->out_q_ctx.q); + vb2_queue_release(&m2m_ctx->cap_q_ctx.q); + vb2_queue_release(&m2m_ctx->out_q_ctx.q); kfree(m2m_ctx); } @@ -611,23 +609,21 @@ EXPORT_SYMBOL_GPL(v4l2_m2m_ctx_release); * v4l2_m2m_buf_queue() - add a buffer to the proper ready buffers list. * * Call from buf_queue(), videobuf_queue_ops callback. - * - * Locking: Caller holds q->irqlock (taken by videobuf before calling buf_queue - * callback in the driver). */ -void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct videobuf_queue *vq, - struct videobuf_buffer *vb) +void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct vb2_buffer *vb) { + struct v4l2_m2m_buffer *b = container_of(vb, struct v4l2_m2m_buffer, vb); struct v4l2_m2m_queue_ctx *q_ctx; + unsigned long flags; - q_ctx = get_queue_ctx(m2m_ctx, vq->type); + q_ctx = get_queue_ctx(m2m_ctx, vb->vb2_queue->type); if (!q_ctx) return; - list_add_tail(&vb->queue, &q_ctx->rdy_queue); + spin_lock_irqsave(&q_ctx->rdy_spinlock, flags); + list_add_tail(&b->list, &q_ctx->rdy_queue); q_ctx->num_rdy++; - - vb->state = VIDEOBUF_QUEUED; + spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags); } EXPORT_SYMBOL_GPL(v4l2_m2m_buf_queue); diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index 8d149f1c58d..bf5eaaf3bd9 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -17,7 +17,7 @@ #ifndef _MEDIA_V4L2_MEM2MEM_H #define _MEDIA_V4L2_MEM2MEM_H -#include <media/videobuf-core.h> +#include <media/videobuf2-core.h> /** * struct v4l2_m2m_ops - mem-to-mem device driver callbacks @@ -45,17 +45,20 @@ struct v4l2_m2m_ops { void (*device_run)(void *priv); int (*job_ready)(void *priv); void (*job_abort)(void *priv); + void (*lock)(void *priv); + void (*unlock)(void *priv); }; struct v4l2_m2m_dev; struct v4l2_m2m_queue_ctx { /* private: internal use only */ - struct videobuf_queue q; + struct vb2_queue q; /* Queue for buffers ready to be processed as soon as this * instance receives access to the device */ struct list_head rdy_queue; + spinlock_t rdy_spinlock; u8 num_rdy; }; @@ -72,19 +75,31 @@ struct v4l2_m2m_ctx { /* For device job queue */ struct list_head queue; unsigned long job_flags; + wait_queue_head_t finished; /* Instance private data */ void *priv; }; +struct v4l2_m2m_buffer { + struct vb2_buffer vb; + struct list_head list; +}; + void *v4l2_m2m_get_curr_priv(struct v4l2_m2m_dev *m2m_dev); -struct videobuf_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx, +struct vb2_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type); void v4l2_m2m_job_finish(struct v4l2_m2m_dev *m2m_dev, struct v4l2_m2m_ctx *m2m_ctx); +static inline void +v4l2_m2m_buf_done(struct vb2_buffer *buf, enum vb2_buffer_state state) +{ + vb2_buffer_done(buf, state); +} + int v4l2_m2m_reqbufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_requestbuffers *reqbufs); @@ -110,13 +125,13 @@ int v4l2_m2m_mmap(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_m2m_dev *v4l2_m2m_init(struct v4l2_m2m_ops *m2m_ops); void v4l2_m2m_release(struct v4l2_m2m_dev *m2m_dev); -struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(void *priv, struct v4l2_m2m_dev *m2m_dev, - void (*vq_init)(void *priv, struct videobuf_queue *, - enum v4l2_buf_type)); +struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(struct v4l2_m2m_dev *m2m_dev, + void *drv_priv, + int (*queue_init)(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)); + void v4l2_m2m_ctx_release(struct v4l2_m2m_ctx *m2m_ctx); -void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct videobuf_queue *vq, - struct videobuf_buffer *vb); +void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct vb2_buffer *vb); /** * v4l2_m2m_num_src_bufs_ready() - return the number of source buffers ready for @@ -138,7 +153,7 @@ unsigned int v4l2_m2m_num_dst_bufs_ready(struct v4l2_m2m_ctx *m2m_ctx) return m2m_ctx->out_q_ctx.num_rdy; } -void *v4l2_m2m_next_buf(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type); +void *v4l2_m2m_next_buf(struct v4l2_m2m_queue_ctx *q_ctx); /** * v4l2_m2m_next_src_buf() - return next source buffer from the list of ready @@ -146,7 +161,7 @@ void *v4l2_m2m_next_buf(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type); */ static inline void *v4l2_m2m_next_src_buf(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_next_buf(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); + return v4l2_m2m_next_buf(&m2m_ctx->out_q_ctx); } /** @@ -155,29 +170,28 @@ static inline void *v4l2_m2m_next_src_buf(struct v4l2_m2m_ctx *m2m_ctx) */ static inline void *v4l2_m2m_next_dst_buf(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_next_buf(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + return v4l2_m2m_next_buf(&m2m_ctx->cap_q_ctx); } /** - * v4l2_m2m_get_src_vq() - return videobuf_queue for source buffers + * v4l2_m2m_get_src_vq() - return vb2_queue for source buffers */ static inline -struct videobuf_queue *v4l2_m2m_get_src_vq(struct v4l2_m2m_ctx *m2m_ctx) +struct vb2_queue *v4l2_m2m_get_src_vq(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); + return &m2m_ctx->out_q_ctx.q; } /** - * v4l2_m2m_get_dst_vq() - return videobuf_queue for destination buffers + * v4l2_m2m_get_dst_vq() - return vb2_queue for destination buffers */ static inline -struct videobuf_queue *v4l2_m2m_get_dst_vq(struct v4l2_m2m_ctx *m2m_ctx) +struct vb2_queue *v4l2_m2m_get_dst_vq(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + return &m2m_ctx->cap_q_ctx.q; } -void *v4l2_m2m_buf_remove(struct v4l2_m2m_ctx *m2m_ctx, - enum v4l2_buf_type type); +void *v4l2_m2m_buf_remove(struct v4l2_m2m_queue_ctx *q_ctx); /** * v4l2_m2m_src_buf_remove() - take off a source buffer from the list of ready @@ -185,7 +199,7 @@ void *v4l2_m2m_buf_remove(struct v4l2_m2m_ctx *m2m_ctx, */ static inline void *v4l2_m2m_src_buf_remove(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_buf_remove(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); + return v4l2_m2m_buf_remove(&m2m_ctx->out_q_ctx); } /** @@ -194,7 +208,7 @@ static inline void *v4l2_m2m_src_buf_remove(struct v4l2_m2m_ctx *m2m_ctx) */ static inline void *v4l2_m2m_dst_buf_remove(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_buf_remove(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + return v4l2_m2m_buf_remove(&m2m_ctx->cap_q_ctx); } #endif /* _MEDIA_V4L2_MEM2MEM_H */ |