[media] v4l: mem2mem: port m2m_testdev to vb2
This patch ports mem2mem test device to videobuf2 framework. Signed-off-by: Marek Szyprowski <m.szyprowski@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:
Marek Szyprowski
Mauro Carvalho Chehab
Родитель
908a0d7c58
Коммит
d80ee38cd8
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@ -989,8 +989,7 @@ if V4L_MEM2MEM_DRIVERS
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config VIDEO_MEM2MEM_TESTDEV
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tristate "Virtual test device for mem2mem framework"
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depends on VIDEO_DEV && VIDEO_V4L2
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depends on BROKEN
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select VIDEOBUF_VMALLOC
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select VIDEOBUF2_VMALLOC
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select V4L2_MEM2MEM_DEV
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default n
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---help---
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@ -28,7 +28,7 @@
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#include <media/v4l2-mem2mem.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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#include <media/videobuf-vmalloc.h>
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#include <media/videobuf2-vmalloc.h>
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#define MEM2MEM_TEST_MODULE_NAME "mem2mem-testdev"
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@ -201,11 +201,6 @@ struct m2mtest_ctx {
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struct v4l2_m2m_ctx *m2m_ctx;
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};
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struct m2mtest_buffer {
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/* vb must be first! */
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struct videobuf_buffer vb;
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};
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static struct v4l2_queryctrl *get_ctrl(int id)
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{
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int i;
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@ -219,37 +214,41 @@ static struct v4l2_queryctrl *get_ctrl(int id)
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}
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static int device_process(struct m2mtest_ctx *ctx,
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struct m2mtest_buffer *in_buf,
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struct m2mtest_buffer *out_buf)
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struct vb2_buffer *in_vb,
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struct vb2_buffer *out_vb)
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{
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struct m2mtest_dev *dev = ctx->dev;
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struct m2mtest_q_data *q_data;
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u8 *p_in, *p_out;
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int x, y, t, w;
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int tile_w, bytes_left;
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struct videobuf_queue *src_q;
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struct videobuf_queue *dst_q;
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int width, height, bytesperline;
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src_q = v4l2_m2m_get_src_vq(ctx->m2m_ctx);
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dst_q = v4l2_m2m_get_dst_vq(ctx->m2m_ctx);
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p_in = videobuf_queue_to_vaddr(src_q, &in_buf->vb);
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p_out = videobuf_queue_to_vaddr(dst_q, &out_buf->vb);
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q_data = get_q_data(V4L2_BUF_TYPE_VIDEO_OUTPUT);
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width = q_data->width;
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height = q_data->height;
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bytesperline = (q_data->width * q_data->fmt->depth) >> 3;
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p_in = vb2_plane_vaddr(in_vb, 0);
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p_out = vb2_plane_vaddr(out_vb, 0);
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if (!p_in || !p_out) {
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v4l2_err(&dev->v4l2_dev,
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"Acquiring kernel pointers to buffers failed\n");
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return -EFAULT;
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}
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if (in_buf->vb.size > out_buf->vb.size) {
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if (vb2_plane_size(in_vb, 0) > vb2_plane_size(out_vb, 0)) {
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v4l2_err(&dev->v4l2_dev, "Output buffer is too small\n");
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return -EINVAL;
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}
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tile_w = (in_buf->vb.width * (q_data[V4L2_M2M_DST].fmt->depth >> 3))
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tile_w = (width * (q_data[V4L2_M2M_DST].fmt->depth >> 3))
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/ MEM2MEM_NUM_TILES;
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bytes_left = in_buf->vb.bytesperline - tile_w * MEM2MEM_NUM_TILES;
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bytes_left = bytesperline - tile_w * MEM2MEM_NUM_TILES;
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w = 0;
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for (y = 0; y < in_buf->vb.height; ++y) {
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for (y = 0; y < height; ++y) {
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for (t = 0; t < MEM2MEM_NUM_TILES; ++t) {
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if (w & 0x1) {
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for (x = 0; x < tile_w; ++x)
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@ -301,6 +300,21 @@ static void job_abort(void *priv)
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ctx->aborting = 1;
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}
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static void m2mtest_lock(void *priv)
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{
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struct m2mtest_ctx *ctx = priv;
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struct m2mtest_dev *dev = ctx->dev;
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mutex_lock(&dev->dev_mutex);
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}
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static void m2mtest_unlock(void *priv)
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{
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struct m2mtest_ctx *ctx = priv;
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struct m2mtest_dev *dev = ctx->dev;
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mutex_unlock(&dev->dev_mutex);
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}
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/* device_run() - prepares and starts the device
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*
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* This simulates all the immediate preparations required before starting
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@ -311,7 +325,7 @@ static void device_run(void *priv)
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{
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struct m2mtest_ctx *ctx = priv;
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struct m2mtest_dev *dev = ctx->dev;
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struct m2mtest_buffer *src_buf, *dst_buf;
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struct vb2_buffer *src_buf, *dst_buf;
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src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
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dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
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@ -322,12 +336,11 @@ static void device_run(void *priv)
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schedule_irq(dev, ctx->transtime);
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}
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static void device_isr(unsigned long priv)
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{
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struct m2mtest_dev *m2mtest_dev = (struct m2mtest_dev *)priv;
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struct m2mtest_ctx *curr_ctx;
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struct m2mtest_buffer *src_buf, *dst_buf;
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struct vb2_buffer *src_vb, *dst_vb;
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unsigned long flags;
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curr_ctx = v4l2_m2m_get_curr_priv(m2mtest_dev->m2m_dev);
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@ -338,31 +351,26 @@ static void device_isr(unsigned long priv)
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return;
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}
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src_buf = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx);
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dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx);
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src_vb = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx);
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dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx);
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curr_ctx->num_processed++;
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spin_lock_irqsave(&m2mtest_dev->irqlock, flags);
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v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE);
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v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE);
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spin_unlock_irqrestore(&m2mtest_dev->irqlock, flags);
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if (curr_ctx->num_processed == curr_ctx->translen
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|| curr_ctx->aborting) {
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dprintk(curr_ctx->dev, "Finishing transaction\n");
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curr_ctx->num_processed = 0;
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spin_lock_irqsave(&m2mtest_dev->irqlock, flags);
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src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE;
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wake_up(&src_buf->vb.done);
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wake_up(&dst_buf->vb.done);
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spin_unlock_irqrestore(&m2mtest_dev->irqlock, flags);
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v4l2_m2m_job_finish(m2mtest_dev->m2m_dev, curr_ctx->m2m_ctx);
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} else {
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spin_lock_irqsave(&m2mtest_dev->irqlock, flags);
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src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE;
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wake_up(&src_buf->vb.done);
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wake_up(&dst_buf->vb.done);
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spin_unlock_irqrestore(&m2mtest_dev->irqlock, flags);
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device_run(curr_ctx);
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}
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}
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/*
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* video ioctls
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*/
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@ -423,7 +431,7 @@ static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
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static int vidioc_g_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
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{
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struct videobuf_queue *vq;
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struct vb2_queue *vq;
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struct m2mtest_q_data *q_data;
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vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
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@ -434,7 +442,7 @@ static int vidioc_g_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
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f->fmt.pix.width = q_data->width;
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f->fmt.pix.height = q_data->height;
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f->fmt.pix.field = vq->field;
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f->fmt.pix.field = V4L2_FIELD_NONE;
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f->fmt.pix.pixelformat = q_data->fmt->fourcc;
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f->fmt.pix.bytesperline = (q_data->width * q_data->fmt->depth) >> 3;
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f->fmt.pix.sizeimage = q_data->sizeimage;
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@ -523,7 +531,7 @@ static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
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static int vidioc_s_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
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{
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struct m2mtest_q_data *q_data;
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struct videobuf_queue *vq;
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struct vb2_queue *vq;
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vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
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if (!vq)
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@ -533,7 +541,7 @@ static int vidioc_s_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
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if (!q_data)
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return -EINVAL;
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if (videobuf_queue_is_busy(vq)) {
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if (vb2_is_busy(vq)) {
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v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
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return -EBUSY;
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}
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@ -543,7 +551,6 @@ static int vidioc_s_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
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q_data->height = f->fmt.pix.height;
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q_data->sizeimage = q_data->width * q_data->height
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* q_data->fmt->depth >> 3;
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vq->field = f->fmt.pix.field;
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dprintk(ctx->dev,
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"Setting format for type %d, wxh: %dx%d, fmt: %d\n",
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@ -733,121 +740,95 @@ static const struct v4l2_ioctl_ops m2mtest_ioctl_ops = {
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* Queue operations
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*/
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static void m2mtest_buf_release(struct videobuf_queue *vq,
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struct videobuf_buffer *vb)
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static int m2mtest_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
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unsigned int *nplanes, unsigned long sizes[],
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void *alloc_ctxs[])
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{
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struct m2mtest_ctx *ctx = vq->priv_data;
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dprintk(ctx->dev, "type: %d, index: %d, state: %d\n",
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vq->type, vb->i, vb->state);
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videobuf_vmalloc_free(vb);
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vb->state = VIDEOBUF_NEEDS_INIT;
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}
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static int m2mtest_buf_setup(struct videobuf_queue *vq, unsigned int *count,
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unsigned int *size)
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{
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struct m2mtest_ctx *ctx = vq->priv_data;
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struct m2mtest_ctx *ctx = vb2_get_drv_priv(vq);
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struct m2mtest_q_data *q_data;
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unsigned int size, count = *nbuffers;
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q_data = get_q_data(vq->type);
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*size = q_data->width * q_data->height * q_data->fmt->depth >> 3;
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dprintk(ctx->dev, "size:%d, w/h %d/%d, depth: %d\n",
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*size, q_data->width, q_data->height, q_data->fmt->depth);
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size = q_data->width * q_data->height * q_data->fmt->depth >> 3;
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if (0 == *count)
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*count = MEM2MEM_DEF_NUM_BUFS;
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while (size * count > MEM2MEM_VID_MEM_LIMIT)
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(count)--;
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while (*size * *count > MEM2MEM_VID_MEM_LIMIT)
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(*count)--;
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*nplanes = 1;
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*nbuffers = count;
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sizes[0] = size;
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v4l2_info(&ctx->dev->v4l2_dev,
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"%d buffers of size %d set up.\n", *count, *size);
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/*
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* videobuf2-vmalloc allocator is context-less so no need to set
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* alloc_ctxs array.
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*/
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dprintk(ctx->dev, "get %d buffer(s) of size %d each.\n", count, size);
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return 0;
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}
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static int m2mtest_buf_prepare(struct videobuf_queue *vq,
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struct videobuf_buffer *vb,
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enum v4l2_field field)
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static int m2mtest_buf_prepare(struct vb2_buffer *vb)
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{
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struct m2mtest_ctx *ctx = vq->priv_data;
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struct m2mtest_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
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struct m2mtest_q_data *q_data;
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int ret;
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dprintk(ctx->dev, "type: %d, index: %d, state: %d\n",
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vq->type, vb->i, vb->state);
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dprintk(ctx->dev, "type: %d\n", vb->vb2_queue->type);
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q_data = get_q_data(vq->type);
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q_data = get_q_data(vb->vb2_queue->type);
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if (vb->baddr) {
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/* User-provided buffer */
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if (vb->bsize < q_data->sizeimage) {
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/* Buffer too small to fit a frame */
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v4l2_err(&ctx->dev->v4l2_dev,
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"User-provided buffer too small\n");
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return -EINVAL;
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}
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} else if (vb->state != VIDEOBUF_NEEDS_INIT
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&& vb->bsize < q_data->sizeimage) {
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/* We provide the buffer, but it's already been initialized
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* and is too small */
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if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
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dprintk(ctx->dev, "%s data will not fit into plane (%lu < %lu)\n",
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__func__, vb2_plane_size(vb, 0), (long)q_data->sizeimage);
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return -EINVAL;
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}
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vb->width = q_data->width;
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vb->height = q_data->height;
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vb->bytesperline = (q_data->width * q_data->fmt->depth) >> 3;
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vb->size = q_data->sizeimage;
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vb->field = field;
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if (VIDEOBUF_NEEDS_INIT == vb->state) {
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ret = videobuf_iolock(vq, vb, NULL);
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if (ret) {
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v4l2_err(&ctx->dev->v4l2_dev,
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"Iolock failed\n");
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goto fail;
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}
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}
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vb->state = VIDEOBUF_PREPARED;
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vb2_set_plane_payload(vb, 0, q_data->sizeimage);
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return 0;
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fail:
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m2mtest_buf_release(vq, vb);
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return ret;
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}
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static void m2mtest_buf_queue(struct videobuf_queue *vq,
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struct videobuf_buffer *vb)
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static void m2mtest_buf_queue(struct vb2_buffer *vb)
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{
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struct m2mtest_ctx *ctx = vq->priv_data;
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v4l2_m2m_buf_queue(ctx->m2m_ctx, vq, vb);
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struct m2mtest_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
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v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
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}
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static struct videobuf_queue_ops m2mtest_qops = {
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.buf_setup = m2mtest_buf_setup,
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.buf_prepare = m2mtest_buf_prepare,
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.buf_queue = m2mtest_buf_queue,
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.buf_release = m2mtest_buf_release,
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static struct vb2_ops m2mtest_qops = {
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.queue_setup = m2mtest_queue_setup,
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.buf_prepare = m2mtest_buf_prepare,
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.buf_queue = m2mtest_buf_queue,
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};
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static void queue_init(void *priv, struct videobuf_queue *vq,
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enum v4l2_buf_type type)
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static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
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{
|
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struct m2mtest_ctx *ctx = priv;
|
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struct m2mtest_dev *dev = ctx->dev;
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int ret;
|
||||
|
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videobuf_queue_vmalloc_init(vq, &m2mtest_qops, dev->v4l2_dev.dev,
|
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&dev->irqlock, type, V4L2_FIELD_NONE,
|
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sizeof(struct m2mtest_buffer), priv,
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&dev->dev_mutex);
|
||||
memset(src_vq, 0, sizeof(*src_vq));
|
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src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
|
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src_vq->io_modes = VB2_MMAP;
|
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src_vq->drv_priv = ctx;
|
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src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
|
||||
src_vq->ops = &m2mtest_qops;
|
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src_vq->mem_ops = &vb2_vmalloc_memops;
|
||||
|
||||
ret = vb2_queue_init(src_vq);
|
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if (ret)
|
||||
return ret;
|
||||
|
||||
memset(dst_vq, 0, sizeof(*dst_vq));
|
||||
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
||||
dst_vq->io_modes = VB2_MMAP;
|
||||
dst_vq->drv_priv = ctx;
|
||||
dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
|
||||
dst_vq->ops = &m2mtest_qops;
|
||||
dst_vq->mem_ops = &vb2_vmalloc_memops;
|
||||
|
||||
return vb2_queue_init(dst_vq);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* File operations
|
||||
*/
|
||||
|
|
@ -866,7 +847,8 @@ static int m2mtest_open(struct file *file)
|
|||
ctx->transtime = MEM2MEM_DEF_TRANSTIME;
|
||||
ctx->num_processed = 0;
|
||||
|
||||
ctx->m2m_ctx = v4l2_m2m_ctx_init(ctx, dev->m2m_dev, queue_init);
|
||||
ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init);
|
||||
|
||||
if (IS_ERR(ctx->m2m_ctx)) {
|
||||
int ret = PTR_ERR(ctx->m2m_ctx);
|
||||
|
||||
|
|
@ -932,6 +914,8 @@ static struct v4l2_m2m_ops m2m_ops = {
|
|||
.device_run = device_run,
|
||||
.job_ready = job_ready,
|
||||
.job_abort = job_abort,
|
||||
.lock = m2mtest_lock,
|
||||
.unlock = m2mtest_unlock,
|
||||
};
|
||||
|
||||
static int m2mtest_probe(struct platform_device *pdev)
|
||||
|
|
@ -990,6 +974,7 @@ static int m2mtest_probe(struct platform_device *pdev)
|
|||
|
||||
return 0;
|
||||
|
||||
v4l2_m2m_release(dev->m2m_dev);
|
||||
err_m2m:
|
||||
video_unregister_device(dev->vfd);
|
||||
rel_vdev:
|
||||
|
|
|
|||
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