mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-26 19:36:41 +00:00
[media] mem2mem_testdev: convert to the control framework and v4l2_fh
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
parent
7bf6afbb6b
commit
d3dd59c232
@ -27,6 +27,7 @@
|
||||
#include <media/v4l2-mem2mem.h>
|
||||
#include <media/v4l2-device.h>
|
||||
#include <media/v4l2-ioctl.h>
|
||||
#include <media/v4l2-ctrls.h>
|
||||
#include <media/videobuf2-vmalloc.h>
|
||||
|
||||
#define MEM2MEM_TEST_MODULE_NAME "mem2mem-testdev"
|
||||
@ -101,6 +102,8 @@ static struct m2mtest_fmt formats[] = {
|
||||
},
|
||||
};
|
||||
|
||||
#define NUM_FORMATS ARRAY_SIZE(formats)
|
||||
|
||||
/* Per-queue, driver-specific private data */
|
||||
struct m2mtest_q_data {
|
||||
unsigned int width;
|
||||
@ -114,50 +117,8 @@ enum {
|
||||
V4L2_M2M_DST = 1,
|
||||
};
|
||||
|
||||
#define V4L2_CID_TRANS_TIME_MSEC V4L2_CID_PRIVATE_BASE
|
||||
#define V4L2_CID_TRANS_NUM_BUFS (V4L2_CID_PRIVATE_BASE + 1)
|
||||
|
||||
static struct v4l2_queryctrl m2mtest_ctrls[] = {
|
||||
{
|
||||
.id = V4L2_CID_HFLIP,
|
||||
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
||||
.name = "Mirror",
|
||||
.minimum = 0,
|
||||
.maximum = 1,
|
||||
.step = 1,
|
||||
.default_value = 0,
|
||||
.flags = 0,
|
||||
}, {
|
||||
.id = V4L2_CID_VFLIP,
|
||||
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
||||
.name = "Vertical Mirror",
|
||||
.minimum = 0,
|
||||
.maximum = 1,
|
||||
.step = 1,
|
||||
.default_value = 0,
|
||||
.flags = 0,
|
||||
}, {
|
||||
.id = V4L2_CID_TRANS_TIME_MSEC,
|
||||
.type = V4L2_CTRL_TYPE_INTEGER,
|
||||
.name = "Transaction time (msec)",
|
||||
.minimum = 1,
|
||||
.maximum = 10000,
|
||||
.step = 100,
|
||||
.default_value = 1000,
|
||||
.flags = 0,
|
||||
}, {
|
||||
.id = V4L2_CID_TRANS_NUM_BUFS,
|
||||
.type = V4L2_CTRL_TYPE_INTEGER,
|
||||
.name = "Buffers per transaction",
|
||||
.minimum = 1,
|
||||
.maximum = MEM2MEM_DEF_NUM_BUFS,
|
||||
.step = 1,
|
||||
.default_value = 1,
|
||||
.flags = 0,
|
||||
},
|
||||
};
|
||||
|
||||
#define NUM_FORMATS ARRAY_SIZE(formats)
|
||||
#define V4L2_CID_TRANS_TIME_MSEC (V4L2_CID_USER_BASE + 0x1000)
|
||||
#define V4L2_CID_TRANS_NUM_BUFS (V4L2_CID_USER_BASE + 0x1001)
|
||||
|
||||
static struct m2mtest_fmt *find_format(struct v4l2_format *f)
|
||||
{
|
||||
@ -190,8 +151,11 @@ struct m2mtest_dev {
|
||||
};
|
||||
|
||||
struct m2mtest_ctx {
|
||||
struct v4l2_fh fh;
|
||||
struct m2mtest_dev *dev;
|
||||
|
||||
struct v4l2_ctrl_handler hdl;
|
||||
|
||||
/* Processed buffers in this transaction */
|
||||
u8 num_processed;
|
||||
|
||||
@ -212,6 +176,11 @@ struct m2mtest_ctx {
|
||||
struct m2mtest_q_data q_data[2];
|
||||
};
|
||||
|
||||
static inline struct m2mtest_ctx *file2ctx(struct file *file)
|
||||
{
|
||||
return container_of(file->private_data, struct m2mtest_ctx, fh);
|
||||
}
|
||||
|
||||
static struct m2mtest_q_data *get_q_data(struct m2mtest_ctx *ctx,
|
||||
enum v4l2_buf_type type)
|
||||
{
|
||||
@ -227,18 +196,6 @@ static struct m2mtest_q_data *get_q_data(struct m2mtest_ctx *ctx,
|
||||
}
|
||||
|
||||
|
||||
static struct v4l2_queryctrl *get_ctrl(int id)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(m2mtest_ctrls); ++i) {
|
||||
if (id == m2mtest_ctrls[i].id)
|
||||
return &m2mtest_ctrls[i];
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int device_process(struct m2mtest_ctx *ctx,
|
||||
struct vb2_buffer *in_vb,
|
||||
struct vb2_buffer *out_vb)
|
||||
@ -543,13 +500,13 @@ static int vidioc_g_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
|
||||
static int vidioc_g_fmt_vid_out(struct file *file, void *priv,
|
||||
struct v4l2_format *f)
|
||||
{
|
||||
return vidioc_g_fmt(priv, f);
|
||||
return vidioc_g_fmt(file2ctx(file), f);
|
||||
}
|
||||
|
||||
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
|
||||
struct v4l2_format *f)
|
||||
{
|
||||
return vidioc_g_fmt(priv, f);
|
||||
return vidioc_g_fmt(file2ctx(file), f);
|
||||
}
|
||||
|
||||
static int vidioc_try_fmt(struct v4l2_format *f, struct m2mtest_fmt *fmt)
|
||||
@ -588,7 +545,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
|
||||
struct v4l2_format *f)
|
||||
{
|
||||
struct m2mtest_fmt *fmt;
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
fmt = find_format(f);
|
||||
if (!fmt || !(fmt->types & MEM2MEM_CAPTURE)) {
|
||||
@ -605,7 +562,7 @@ static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
|
||||
struct v4l2_format *f)
|
||||
{
|
||||
struct m2mtest_fmt *fmt;
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
fmt = find_format(f);
|
||||
if (!fmt || !(fmt->types & MEM2MEM_OUTPUT)) {
|
||||
@ -658,7 +615,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return vidioc_s_fmt(priv, f);
|
||||
return vidioc_s_fmt(file2ctx(file), f);
|
||||
}
|
||||
|
||||
static int vidioc_s_fmt_vid_out(struct file *file, void *priv,
|
||||
@ -670,13 +627,13 @@ static int vidioc_s_fmt_vid_out(struct file *file, void *priv,
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return vidioc_s_fmt(priv, f);
|
||||
return vidioc_s_fmt(file2ctx(file), f);
|
||||
}
|
||||
|
||||
static int vidioc_reqbufs(struct file *file, void *priv,
|
||||
struct v4l2_requestbuffers *reqbufs)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
|
||||
}
|
||||
@ -684,21 +641,21 @@ static int vidioc_reqbufs(struct file *file, void *priv,
|
||||
static int vidioc_querybuf(struct file *file, void *priv,
|
||||
struct v4l2_buffer *buf)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
|
||||
}
|
||||
|
||||
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
|
||||
}
|
||||
|
||||
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
|
||||
}
|
||||
@ -706,7 +663,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
|
||||
static int vidioc_streamon(struct file *file, void *priv,
|
||||
enum v4l2_buf_type type)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
|
||||
}
|
||||
@ -714,101 +671,37 @@ static int vidioc_streamon(struct file *file, void *priv,
|
||||
static int vidioc_streamoff(struct file *file, void *priv,
|
||||
enum v4l2_buf_type type)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
|
||||
}
|
||||
|
||||
static int vidioc_queryctrl(struct file *file, void *priv,
|
||||
struct v4l2_queryctrl *qc)
|
||||
static int m2mtest_s_ctrl(struct v4l2_ctrl *ctrl)
|
||||
{
|
||||
struct v4l2_queryctrl *c;
|
||||
|
||||
c = get_ctrl(qc->id);
|
||||
if (!c)
|
||||
return -EINVAL;
|
||||
|
||||
*qc = *c;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_g_ctrl(struct file *file, void *priv,
|
||||
struct v4l2_control *ctrl)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
struct m2mtest_ctx *ctx =
|
||||
container_of(ctrl->handler, struct m2mtest_ctx, hdl);
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_HFLIP:
|
||||
ctrl->value = (ctx->mode & MEM2MEM_HFLIP) ? 1 : 0;
|
||||
break;
|
||||
|
||||
case V4L2_CID_VFLIP:
|
||||
ctrl->value = (ctx->mode & MEM2MEM_VFLIP) ? 1 : 0;
|
||||
break;
|
||||
|
||||
case V4L2_CID_TRANS_TIME_MSEC:
|
||||
ctrl->value = ctx->transtime;
|
||||
break;
|
||||
|
||||
case V4L2_CID_TRANS_NUM_BUFS:
|
||||
ctrl->value = ctx->translen;
|
||||
break;
|
||||
|
||||
default:
|
||||
v4l2_err(&ctx->dev->v4l2_dev, "Invalid control\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_ctrl_val(struct m2mtest_ctx *ctx, struct v4l2_control *ctrl)
|
||||
{
|
||||
struct v4l2_queryctrl *c;
|
||||
|
||||
c = get_ctrl(ctrl->id);
|
||||
if (!c)
|
||||
return -EINVAL;
|
||||
|
||||
if (ctrl->value < c->minimum || ctrl->value > c->maximum) {
|
||||
v4l2_err(&ctx->dev->v4l2_dev, "Value out of range\n");
|
||||
return -ERANGE;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_s_ctrl(struct file *file, void *priv,
|
||||
struct v4l2_control *ctrl)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = priv;
|
||||
int ret = 0;
|
||||
|
||||
ret = check_ctrl_val(ctx, ctrl);
|
||||
if (ret != 0)
|
||||
return ret;
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_HFLIP:
|
||||
if (ctrl->value)
|
||||
if (ctrl->val)
|
||||
ctx->mode |= MEM2MEM_HFLIP;
|
||||
else
|
||||
ctx->mode &= ~MEM2MEM_HFLIP;
|
||||
break;
|
||||
|
||||
case V4L2_CID_VFLIP:
|
||||
if (ctrl->value)
|
||||
if (ctrl->val)
|
||||
ctx->mode |= MEM2MEM_VFLIP;
|
||||
else
|
||||
ctx->mode &= ~MEM2MEM_VFLIP;
|
||||
break;
|
||||
|
||||
case V4L2_CID_TRANS_TIME_MSEC:
|
||||
ctx->transtime = ctrl->value;
|
||||
ctx->transtime = ctrl->val;
|
||||
break;
|
||||
|
||||
case V4L2_CID_TRANS_NUM_BUFS:
|
||||
ctx->translen = ctrl->value;
|
||||
ctx->translen = ctrl->val;
|
||||
break;
|
||||
|
||||
default:
|
||||
@ -819,6 +712,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct v4l2_ctrl_ops m2mtest_ctrl_ops = {
|
||||
.s_ctrl = m2mtest_s_ctrl,
|
||||
};
|
||||
|
||||
|
||||
static const struct v4l2_ioctl_ops m2mtest_ioctl_ops = {
|
||||
.vidioc_querycap = vidioc_querycap,
|
||||
@ -841,10 +738,6 @@ static const struct v4l2_ioctl_ops m2mtest_ioctl_ops = {
|
||||
|
||||
.vidioc_streamon = vidioc_streamon,
|
||||
.vidioc_streamoff = vidioc_streamoff,
|
||||
|
||||
.vidioc_queryctrl = vidioc_queryctrl,
|
||||
.vidioc_g_ctrl = vidioc_g_ctrl,
|
||||
.vidioc_s_ctrl = vidioc_s_ctrl,
|
||||
};
|
||||
|
||||
|
||||
@ -956,6 +849,28 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *ds
|
||||
return vb2_queue_init(dst_vq);
|
||||
}
|
||||
|
||||
static const struct v4l2_ctrl_config m2mtest_ctrl_trans_time_msec = {
|
||||
.ops = &m2mtest_ctrl_ops,
|
||||
.id = V4L2_CID_TRANS_TIME_MSEC,
|
||||
.name = "Transaction Time (msec)",
|
||||
.type = V4L2_CTRL_TYPE_INTEGER,
|
||||
.def = 1001,
|
||||
.min = 1,
|
||||
.max = 10001,
|
||||
.step = 100,
|
||||
};
|
||||
|
||||
static const struct v4l2_ctrl_config m2mtest_ctrl_trans_num_bufs = {
|
||||
.ops = &m2mtest_ctrl_ops,
|
||||
.id = V4L2_CID_TRANS_NUM_BUFS,
|
||||
.name = "Buffers Per Transaction",
|
||||
.type = V4L2_CTRL_TYPE_INTEGER,
|
||||
.def = 1,
|
||||
.min = 1,
|
||||
.max = MEM2MEM_DEF_NUM_BUFS,
|
||||
.step = 1,
|
||||
};
|
||||
|
||||
/*
|
||||
* File operations
|
||||
*/
|
||||
@ -963,17 +878,29 @@ static int m2mtest_open(struct file *file)
|
||||
{
|
||||
struct m2mtest_dev *dev = video_drvdata(file);
|
||||
struct m2mtest_ctx *ctx = NULL;
|
||||
struct v4l2_ctrl_handler *hdl;
|
||||
|
||||
ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
|
||||
if (!ctx)
|
||||
return -ENOMEM;
|
||||
|
||||
file->private_data = ctx;
|
||||
v4l2_fh_init(&ctx->fh, video_devdata(file));
|
||||
file->private_data = &ctx->fh;
|
||||
ctx->dev = dev;
|
||||
ctx->translen = MEM2MEM_DEF_TRANSLEN;
|
||||
ctx->transtime = MEM2MEM_DEF_TRANSTIME;
|
||||
ctx->num_processed = 0;
|
||||
ctx->mode = 0;
|
||||
hdl = &ctx->hdl;
|
||||
v4l2_ctrl_handler_init(hdl, 4);
|
||||
v4l2_ctrl_new_std(hdl, &m2mtest_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0);
|
||||
v4l2_ctrl_new_std(hdl, &m2mtest_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0);
|
||||
v4l2_ctrl_new_custom(hdl, &m2mtest_ctrl_trans_time_msec, NULL);
|
||||
v4l2_ctrl_new_custom(hdl, &m2mtest_ctrl_trans_num_bufs, NULL);
|
||||
if (hdl->error) {
|
||||
int err = hdl->error;
|
||||
|
||||
v4l2_ctrl_handler_free(hdl);
|
||||
return err;
|
||||
}
|
||||
ctx->fh.ctrl_handler = hdl;
|
||||
v4l2_ctrl_handler_setup(hdl);
|
||||
|
||||
ctx->q_data[V4L2_M2M_SRC].fmt = &formats[0];
|
||||
ctx->q_data[V4L2_M2M_DST].fmt = &formats[0];
|
||||
@ -983,10 +910,12 @@ static int m2mtest_open(struct file *file)
|
||||
if (IS_ERR(ctx->m2m_ctx)) {
|
||||
int ret = PTR_ERR(ctx->m2m_ctx);
|
||||
|
||||
v4l2_ctrl_handler_free(hdl);
|
||||
kfree(ctx);
|
||||
return ret;
|
||||
}
|
||||
|
||||
v4l2_fh_add(&ctx->fh);
|
||||
atomic_inc(&dev->num_inst);
|
||||
|
||||
dprintk(dev, "Created instance %p, m2m_ctx: %p\n", ctx, ctx->m2m_ctx);
|
||||
@ -997,10 +926,13 @@ static int m2mtest_open(struct file *file)
|
||||
static int m2mtest_release(struct file *file)
|
||||
{
|
||||
struct m2mtest_dev *dev = video_drvdata(file);
|
||||
struct m2mtest_ctx *ctx = file->private_data;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
dprintk(dev, "Releasing instance %p\n", ctx);
|
||||
|
||||
v4l2_fh_del(&ctx->fh);
|
||||
v4l2_fh_exit(&ctx->fh);
|
||||
v4l2_ctrl_handler_free(&ctx->hdl);
|
||||
v4l2_m2m_ctx_release(ctx->m2m_ctx);
|
||||
kfree(ctx);
|
||||
|
||||
@ -1012,14 +944,14 @@ static int m2mtest_release(struct file *file)
|
||||
static unsigned int m2mtest_poll(struct file *file,
|
||||
struct poll_table_struct *wait)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = file->private_data;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
return v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
|
||||
}
|
||||
|
||||
static int m2mtest_mmap(struct file *file, struct vm_area_struct *vma)
|
||||
{
|
||||
struct m2mtest_ctx *ctx = file->private_data;
|
||||
struct m2mtest_ctx *ctx = file2ctx(file);
|
||||
|
||||
return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user