From 152ea1c81c5608cfe9e902b2dbe1539729bff9f2 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Fri, 11 Jul 2014 06:36:21 -0300 Subject: [PATCH] [media] coda: Use mem-to-mem ioctl helpers Use the mem2mem helpers introduced to get rid of some duplicated code. Signed-off-by: Philipp Zabel Signed-off-by: Kamil Debski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/coda.c | 113 +++++----------------------------- 1 file changed, 14 insertions(+), 99 deletions(-) diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index 45fd7c964d64..681170342a43 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -778,22 +778,6 @@ static int coda_s_fmt_vid_out(struct file *file, void *priv, return ret; } -static int coda_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbufs) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); -} - -static int coda_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - static int coda_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { @@ -802,14 +786,6 @@ static int coda_qbuf(struct file *file, void *priv, return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); } -static int coda_expbuf(struct file *file, void *priv, - struct v4l2_exportbuffer *eb) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb); -} - static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx, struct v4l2_buffer *buf) { @@ -842,40 +818,6 @@ static int coda_dqbuf(struct file *file, void *priv, return ret; } -static int coda_create_bufs(struct file *file, void *priv, - struct v4l2_create_buffers *create) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_create_bufs(file, ctx->m2m_ctx, create); -} - -static int coda_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); -} - -static int coda_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - int ret; - - /* - * This indirectly calls __vb2_queue_cancel, which dequeues all buffers. - * We therefore have to lock it against running hardware in this context, - * which still needs the buffers. - */ - mutex_lock(&ctx->buffer_mutex); - ret = v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); - mutex_unlock(&ctx->buffer_mutex); - - return ret; -} - static int coda_g_selection(struct file *file, void *fh, struct v4l2_selection *s) { @@ -987,16 +929,16 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = { .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out, .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out, - .vidioc_reqbufs = coda_reqbufs, - .vidioc_querybuf = coda_querybuf, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, .vidioc_qbuf = coda_qbuf, - .vidioc_expbuf = coda_expbuf, + .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, .vidioc_dqbuf = coda_dqbuf, - .vidioc_create_bufs = coda_create_bufs, + .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, - .vidioc_streamon = coda_streamon, - .vidioc_streamoff = coda_streamoff, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, .vidioc_g_selection = coda_g_selection, @@ -1675,18 +1617,6 @@ static void coda_buf_queue(struct vb2_buffer *vb) } } -static void coda_wait_prepare(struct vb2_queue *q) -{ - struct coda_ctx *ctx = vb2_get_drv_priv(q); - coda_unlock(ctx); -} - -static void coda_wait_finish(struct vb2_queue *q) -{ - struct coda_ctx *ctx = vb2_get_drv_priv(q); - coda_lock(ctx); -} - static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value) { struct coda_dev *dev = ctx->dev; @@ -2648,10 +2578,10 @@ static struct vb2_ops coda_qops = { .queue_setup = coda_queue_setup, .buf_prepare = coda_buf_prepare, .buf_queue = coda_buf_queue, - .wait_prepare = coda_wait_prepare, - .wait_finish = coda_wait_finish, .start_streaming = coda_start_streaming, .stop_streaming = coda_stop_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, }; static int coda_s_ctrl(struct v4l2_ctrl *ctrl) @@ -2774,6 +2704,7 @@ static int coda_queue_init(void *priv, struct vb2_queue *src_vq, src_vq->ops = &coda_qops; src_vq->mem_ops = &vb2_dma_contig_memops; src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &ctx->dev->dev_mutex; ret = vb2_queue_init(src_vq); if (ret) @@ -2786,6 +2717,7 @@ static int coda_queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->ops = &coda_qops; dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &ctx->dev->dev_mutex; return vb2_queue_init(dst_vq); } @@ -2854,6 +2786,8 @@ static int coda_open(struct file *file) __func__, ret); goto err_ctx_init; } + ctx->fh.m2m_ctx = ctx->m2m_ctx; + ret = coda_ctrls_setup(ctx); if (ret) { v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n"); @@ -2953,32 +2887,13 @@ static int coda_release(struct file *file) return 0; } -static unsigned int coda_poll(struct file *file, - struct poll_table_struct *wait) -{ - struct coda_ctx *ctx = fh_to_ctx(file->private_data); - int ret; - - coda_lock(ctx); - ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); - coda_unlock(ctx); - return ret; -} - -static int coda_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct coda_ctx *ctx = fh_to_ctx(file->private_data); - - return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); -} - static const struct v4l2_file_operations coda_fops = { .owner = THIS_MODULE, .open = coda_open, .release = coda_release, - .poll = coda_poll, + .poll = v4l2_m2m_fop_poll, .unlocked_ioctl = video_ioctl2, - .mmap = coda_mmap, + .mmap = v4l2_m2m_fop_mmap, }; static void coda_finish_decode(struct coda_ctx *ctx)