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[media] s5p-g2d: Use mem-to-mem ioctl helpers

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Simplify the driver by using the m2m ioctl and vb2 helpers.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sylwester Nawrocki 2013-08-25 18:13:17 -03:00 committed by Mauro Carvalho Chehab
parent 718cf4a9da
commit febeaa45a6
2 changed files with 21 additions and 104 deletions
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124
drivers/media/platform/s5p-g2d/g2d.c
View File

@ -136,10 +136,9 @@ static int g2d_buf_prepare(struct vb2_buffer *vb)
static void g2d_buf_queue(struct vb2_buffer *vb)
{
struct g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
}
static struct vb2_ops g2d_qops = {
.queue_setup = g2d_queue_setup,
.buf_prepare = g2d_buf_prepare,
@ -159,6 +158,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->lock = &ctx->dev->mutex;
ret = vb2_queue_init(src_vq);
if (ret)
@ -171,6 +171,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->lock = &ctx->dev->mutex;
return vb2_queue_init(dst_vq);
}
@ -253,9 +254,9 @@ static int g2d_open(struct file *file)
kfree(ctx);
return -ERESTARTSYS;
}
ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init);
if (IS_ERR(ctx->m2m_ctx)) {
ret = PTR_ERR(ctx->m2m_ctx);
ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init);
if (IS_ERR(ctx->fh.m2m_ctx)) {
ret = PTR_ERR(ctx->fh.m2m_ctx);
mutex_unlock(&dev->mutex);
kfree(ctx);
return ret;
@ -324,7 +325,7 @@ static int vidioc_g_fmt(struct file *file, void *prv, struct v4l2_format *f)
struct vb2_queue *vq;
struct g2d_frame *frm;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
if (!vq)
return -EINVAL;
frm = get_frame(ctx, f->type);
@ -384,7 +385,7 @@ static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f)
ret = vidioc_try_fmt(file, prv, f);
if (ret)
return ret;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
if (vb2_is_busy(vq)) {
v4l2_err(&dev->v4l2_dev, "queue (%d) bust\n", f->type);
return -EBUSY;
@ -410,72 +411,6 @@ static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f)
return 0;
}
static unsigned int g2d_poll(struct file *file, struct poll_table_struct *wait)
{
struct g2d_ctx *ctx = fh2ctx(file->private_data);
struct g2d_dev *dev = ctx->dev;
unsigned int res;
mutex_lock(&dev->mutex);
res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
mutex_unlock(&dev->mutex);
return res;
}
static int g2d_mmap(struct file *file, struct vm_area_struct *vma)
{
struct g2d_ctx *ctx = fh2ctx(file->private_data);
struct g2d_dev *dev = ctx->dev;
int ret;
if (mutex_lock_interruptible(&dev->mutex))
return -ERESTARTSYS;
ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
mutex_unlock(&dev->mutex);
return ret;
}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *reqbufs)
{
struct g2d_ctx *ctx = priv;
return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
}
static int vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct g2d_ctx *ctx = priv;
return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
{
struct g2d_ctx *ctx = priv;
return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
{
struct g2d_ctx *ctx = priv;
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct g2d_ctx *ctx = priv;
return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
}
static int vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct g2d_ctx *ctx = priv;
return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
}
static int vidioc_cropcap(struct file *file, void *priv,
struct v4l2_cropcap *cr)
{
@ -551,20 +486,6 @@ static int vidioc_s_crop(struct file *file, void *prv, const struct v4l2_crop *c
return 0;
}
static void g2d_lock(void *prv)
{
struct g2d_ctx *ctx = prv;
struct g2d_dev *dev = ctx->dev;
mutex_lock(&dev->mutex);
}
static void g2d_unlock(void *prv)
{
struct g2d_ctx *ctx = prv;
struct g2d_dev *dev = ctx->dev;
mutex_unlock(&dev->mutex);
}
static void job_abort(void *prv)
{
struct g2d_ctx *ctx = prv;
@ -589,8 +510,8 @@ static void device_run(void *prv)
dev->curr = ctx;
src = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
dst = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
clk_enable(dev->gate);
g2d_reset(dev);
@ -631,8 +552,8 @@ static irqreturn_t g2d_isr(int irq, void *prv)
BUG_ON(ctx == NULL);
src = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
dst = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
src = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
dst = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
BUG_ON(src == NULL);
BUG_ON(dst == NULL);
@ -642,7 +563,7 @@ static irqreturn_t g2d_isr(int irq, void *prv)
v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE);
v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE);
v4l2_m2m_job_finish(dev->m2m_dev, ctx->m2m_ctx);
v4l2_m2m_job_finish(dev->m2m_dev, ctx->fh.m2m_ctx);
dev->curr = NULL;
wake_up(&dev->irq_queue);
@ -653,9 +574,9 @@ static const struct v4l2_file_operations g2d_fops = {
.owner = THIS_MODULE,
.open = g2d_open,
.release = g2d_release,
.poll = g2d_poll,
.poll = v4l2_m2m_fop_poll,
.unlocked_ioctl = video_ioctl2,
.mmap = g2d_mmap,
.mmap = v4l2_m2m_fop_mmap,
};
static const struct v4l2_ioctl_ops g2d_ioctl_ops = {
@ -671,14 +592,13 @@ static const struct v4l2_ioctl_ops g2d_ioctl_ops = {
.vidioc_try_fmt_vid_out = vidioc_try_fmt,
.vidioc_s_fmt_vid_out = vidioc_s_fmt,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_g_crop = vidioc_g_crop,
.vidioc_s_crop = vidioc_s_crop,
@ -697,8 +617,6 @@ static struct video_device g2d_videodev = {
static struct v4l2_m2m_ops g2d_m2m_ops = {
.device_run = device_run,
.job_abort = job_abort,
.lock = g2d_lock,
.unlock = g2d_unlock,
};
static const struct of_device_id exynos_g2d_match[];

1
drivers/media/platform/s5p-g2d/g2d.h
View File

@ -57,7 +57,6 @@ struct g2d_frame {
struct g2d_ctx {
struct v4l2_fh fh;
struct g2d_dev *dev;
struct v4l2_m2m_ctx *m2m_ctx;
struct g2d_frame in;
struct g2d_frame out;
struct v4l2_ctrl *ctrl_hflip;