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[media] media: ti-vpe: Use mem-to-mem ioctl helpers
1: Simplify the vpe mem-to-mem driver by using the m2m ioctl and vb2 helpers. 2: Align and arranged the v4l2_ioctl_ops. 3: Fixes a typo. 4: Use of_match_ptr() instead of explicitly defining the macro to NULL in case CONFIG_OF is not defined. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Prabhakar Lad
Mauro Carvalho Chehab
parent
901c4ad64c
commit
47e604c5dd
@ -25,6 +25,7 @@
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#include <linux/io.h>
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#include <linux/ioctl.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/sched.h>
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@ -74,7 +75,7 @@
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#define VPE_DEF_BUFS_PER_JOB 1 /* default one buffer per batch job */
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/*
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* each VPE context can need up to 3 config desciptors, 7 input descriptors,
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* each VPE context can need up to 3 config descriptors, 7 input descriptors,
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* 3 output descriptors, and 10 control descriptors
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*/
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#define VPE_DESC_LIST_SIZE (10 * VPDMA_DTD_DESC_SIZE + \
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@ -373,7 +374,6 @@ struct vpe_dev {
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struct vpe_ctx {
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struct v4l2_fh fh;
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struct vpe_dev *dev;
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struct v4l2_m2m_ctx *m2m_ctx;
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struct v4l2_ctrl_handler hdl;
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unsigned int field; /* current field */
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@ -887,10 +887,10 @@ static int job_ready(void *priv)
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if (ctx->deinterlacing && ctx->src_vbs[2] == NULL)
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needed += 2; /* need additional two most recent fields */
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if (v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) < needed)
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if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) < needed)
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return 0;
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if (v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx) < needed)
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if (v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx) < needed)
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return 0;
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return 1;
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@ -1100,15 +1100,15 @@ static void device_run(void *priv)
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struct vpe_q_data *d_q_data = &ctx->q_data[Q_DATA_DST];
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if (ctx->deinterlacing && ctx->src_vbs[2] == NULL) {
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ctx->src_vbs[2] = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
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ctx->src_vbs[2] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
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WARN_ON(ctx->src_vbs[2] == NULL);
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ctx->src_vbs[1] = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
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ctx->src_vbs[1] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
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WARN_ON(ctx->src_vbs[1] == NULL);
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}
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ctx->src_vbs[0] = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
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ctx->src_vbs[0] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
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WARN_ON(ctx->src_vbs[0] == NULL);
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ctx->dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
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ctx->dst_vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
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WARN_ON(ctx->dst_vb == NULL);
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/* config descriptors */
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@ -1334,7 +1334,7 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
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finished:
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vpe_dbg(ctx->dev, "finishing transaction\n");
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ctx->bufs_completed = 0;
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v4l2_m2m_job_finish(dev->m2m_dev, ctx->m2m_ctx);
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v4l2_m2m_job_finish(dev->m2m_dev, ctx->fh.m2m_ctx);
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handled:
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return IRQ_HANDLED;
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}
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@ -1395,7 +1395,7 @@ static int vpe_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
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struct vpe_q_data *q_data;
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int i;
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vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
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vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
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if (!vq)
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return -EINVAL;
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@ -1527,7 +1527,7 @@ static int __vpe_s_fmt(struct vpe_ctx *ctx, struct v4l2_format *f)
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struct vb2_queue *vq;
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int i;
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vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
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vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
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if (!vq)
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return -EINVAL;
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@ -1739,52 +1739,6 @@ static int vpe_s_selection(struct file *file, void *fh,
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return set_srcdst_params(ctx);
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}
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static int vpe_reqbufs(struct file *file, void *priv,
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struct v4l2_requestbuffers *reqbufs)
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{
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struct vpe_ctx *ctx = file2ctx(file);
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return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
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}
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static int vpe_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf)
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{
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struct vpe_ctx *ctx = file2ctx(file);
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return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
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}
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static int vpe_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
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{
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struct vpe_ctx *ctx = file2ctx(file);
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return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
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}
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static int vpe_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
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{
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struct vpe_ctx *ctx = file2ctx(file);
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return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
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}
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static int vpe_streamon(struct file *file, void *priv, enum v4l2_buf_type type)
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{
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struct vpe_ctx *ctx = file2ctx(file);
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return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
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}
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static int vpe_streamoff(struct file *file, void *priv, enum v4l2_buf_type type)
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{
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struct vpe_ctx *ctx = file2ctx(file);
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vpe_dump_regs(ctx->dev);
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vpdma_dump_regs(ctx->dev->vpdma);
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return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
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}
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/*
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* defines number of buffers/frames a context can process with VPE before
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* switching to a different context. default value is 1 buffer per context
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@ -1814,14 +1768,14 @@ static const struct v4l2_ctrl_ops vpe_ctrl_ops = {
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};
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static const struct v4l2_ioctl_ops vpe_ioctl_ops = {
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.vidioc_querycap = vpe_querycap,
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.vidioc_querycap = vpe_querycap,
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.vidioc_enum_fmt_vid_cap_mplane = vpe_enum_fmt,
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.vidioc_enum_fmt_vid_cap_mplane = vpe_enum_fmt,
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.vidioc_g_fmt_vid_cap_mplane = vpe_g_fmt,
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.vidioc_try_fmt_vid_cap_mplane = vpe_try_fmt,
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.vidioc_s_fmt_vid_cap_mplane = vpe_s_fmt,
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.vidioc_enum_fmt_vid_out_mplane = vpe_enum_fmt,
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.vidioc_enum_fmt_vid_out_mplane = vpe_enum_fmt,
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.vidioc_g_fmt_vid_out_mplane = vpe_g_fmt,
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.vidioc_try_fmt_vid_out_mplane = vpe_try_fmt,
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.vidioc_s_fmt_vid_out_mplane = vpe_s_fmt,
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@ -1829,16 +1783,15 @@ static const struct v4l2_ioctl_ops vpe_ioctl_ops = {
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.vidioc_g_selection = vpe_g_selection,
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.vidioc_s_selection = vpe_s_selection,
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.vidioc_reqbufs = vpe_reqbufs,
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.vidioc_querybuf = vpe_querybuf,
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.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
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.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
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.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
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.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
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.vidioc_streamon = v4l2_m2m_ioctl_streamon,
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.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
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.vidioc_qbuf = vpe_qbuf,
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.vidioc_dqbuf = vpe_dqbuf,
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.vidioc_streamon = vpe_streamon,
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.vidioc_streamoff = vpe_streamoff,
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.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
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.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
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.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
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.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
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};
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/*
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@ -1910,7 +1863,23 @@ static int vpe_buf_prepare(struct vb2_buffer *vb)
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static void vpe_buf_queue(struct vb2_buffer *vb)
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{
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struct vpe_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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v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
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}
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static int vpe_start_streaming(struct vb2_queue *q, unsigned int count)
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{
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/* currently we do nothing here */
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return 0;
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}
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static void vpe_stop_streaming(struct vb2_queue *q)
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{
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struct vpe_ctx *ctx = vb2_get_drv_priv(q);
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vpe_dump_regs(ctx->dev);
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vpdma_dump_regs(ctx->dev->vpdma);
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}
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static struct vb2_ops vpe_qops = {
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@ -1919,6 +1888,8 @@ static struct vb2_ops vpe_qops = {
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.buf_queue = vpe_buf_queue,
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.wait_prepare = vb2_ops_wait_prepare,
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.wait_finish = vb2_ops_wait_finish,
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.start_streaming = vpe_start_streaming,
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.stop_streaming = vpe_stop_streaming,
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};
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static int queue_init(void *priv, struct vb2_queue *src_vq,
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@ -1972,9 +1943,9 @@ static const struct v4l2_ctrl_config vpe_bufs_per_job = {
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static int vpe_open(struct file *file)
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{
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struct vpe_dev *dev = video_drvdata(file);
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struct vpe_ctx *ctx = NULL;
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struct vpe_q_data *s_q_data;
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struct v4l2_ctrl_handler *hdl;
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struct vpe_ctx *ctx;
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int ret;
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vpe_dbg(dev, "vpe_open\n");
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@ -2047,10 +2018,10 @@ static int vpe_open(struct file *file)
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if (ret)
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goto exit_fh;
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ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init);
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ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init);
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if (IS_ERR(ctx->m2m_ctx)) {
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ret = PTR_ERR(ctx->m2m_ctx);
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if (IS_ERR(ctx->fh.m2m_ctx)) {
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ret = PTR_ERR(ctx->fh.m2m_ctx);
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goto exit_fh;
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}
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@ -2069,7 +2040,7 @@ static int vpe_open(struct file *file)
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ctx->load_mmrs = true;
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vpe_dbg(dev, "created instance %p, m2m_ctx: %p\n",
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ctx, ctx->m2m_ctx);
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ctx, ctx->fh.m2m_ctx);
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mutex_unlock(&dev->dev_mutex);
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@ -2107,7 +2078,7 @@ static int vpe_release(struct file *file)
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v4l2_fh_del(&ctx->fh);
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v4l2_fh_exit(&ctx->fh);
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v4l2_ctrl_handler_free(&ctx->hdl);
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v4l2_m2m_ctx_release(ctx->m2m_ctx);
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v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
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kfree(ctx);
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@ -2124,39 +2095,13 @@ static int vpe_release(struct file *file)
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return 0;
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}
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static unsigned int vpe_poll(struct file *file,
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struct poll_table_struct *wait)
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{
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struct vpe_ctx *ctx = file2ctx(file);
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struct vpe_dev *dev = ctx->dev;
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int ret;
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mutex_lock(&dev->dev_mutex);
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ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
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mutex_unlock(&dev->dev_mutex);
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return ret;
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}
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static int vpe_mmap(struct file *file, struct vm_area_struct *vma)
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{
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struct vpe_ctx *ctx = file2ctx(file);
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struct vpe_dev *dev = ctx->dev;
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int ret;
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if (mutex_lock_interruptible(&dev->dev_mutex))
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return -ERESTARTSYS;
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ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
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mutex_unlock(&dev->dev_mutex);
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return ret;
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}
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static const struct v4l2_file_operations vpe_fops = {
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.owner = THIS_MODULE,
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.open = vpe_open,
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.release = vpe_release,
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.poll = vpe_poll,
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.poll = v4l2_m2m_fop_poll,
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.unlocked_ioctl = video_ioctl2,
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.mmap = vpe_mmap,
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.mmap = v4l2_m2m_fop_mmap,
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};
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static struct video_device vpe_videodev = {
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@ -2358,8 +2303,6 @@ static const struct of_device_id vpe_of_match[] = {
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},
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{},
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};
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#else
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#define vpe_of_match NULL
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#endif
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static struct platform_driver vpe_pdrv = {
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@ -2367,7 +2310,7 @@ static struct platform_driver vpe_pdrv = {
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.remove = vpe_remove,
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.driver = {
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.name = VPE_MODULE_NAME,
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.of_match_table = vpe_of_match,
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.of_match_table = of_match_ptr(vpe_of_match),
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},
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};
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