From: Hans Verkuil <hans.verk...@cisco.com>
This is part 1, converting the uncompressed video/vbi nodes to use
the control framework.
The next patch converts the compressed video node as well.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/pci/cx23885/cx23885-417.c | 20 ---
drivers/media/pci/cx23885/cx23885-core.c | 17 ++-
drivers/media/pci/cx23885/cx23885-video.c | 246 +++++-------------------------
drivers/media/pci/cx23885/cx23885.h | 12 +-
4 files changed, 51 insertions(+), 244 deletions(-)
diff --git a/drivers/media/pci/cx23885/cx23885-417.c
b/drivers/media/pci/cx23885/cx23885-417.c
index 395f7a9..d44395c 100644
--- a/drivers/media/pci/cx23885/cx23885-417.c
+++ b/drivers/media/pci/cx23885/cx23885-417.c
@@ -1313,22 +1313,6 @@ static int vidioc_s_frequency(struct file *file, void
*priv,
return cx23885_set_frequency(file, priv, f);
}
-static int vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
-
- return cx23885_get_control(dev, ctl);
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
-
- return cx23885_set_control(dev, ctl);
-}
-
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
@@ -1672,8 +1656,6 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
- .vidioc_s_ctrl = vidioc_s_ctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_querycap = vidioc_querycap,
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
@@ -1689,8 +1671,6 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
.vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
.vidioc_log_status = vidioc_log_status,
- .vidioc_querymenu = vidioc_querymenu,
- .vidioc_queryctrl = vidioc_queryctrl,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_chip_info = cx23885_g_chip_info,
.vidioc_g_register = cx23885_g_register,
diff --git a/drivers/media/pci/cx23885/cx23885-core.c
b/drivers/media/pci/cx23885/cx23885-core.c
index edcd79d..075b28e 100644
--- a/drivers/media/pci/cx23885/cx23885-core.c
+++ b/drivers/media/pci/cx23885/cx23885-core.c
@@ -2087,6 +2087,7 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
struct cx23885_dev *dev;
+ struct v4l2_ctrl_handler *hdl;
int err;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
@@ -2097,6 +2098,14 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
if (err < 0)
goto fail_free;
+ hdl = &dev->ctrl_handler;
+ v4l2_ctrl_handler_init(hdl, 6);
+ if (hdl->error) {
+ err = hdl->error;
+ goto fail_ctrl;
+ }
+ dev->v4l2_dev.ctrl_handler = hdl;
+
/* Prepare to handle notifications from subdevices */
cx23885_v4l2_dev_notify_init(dev);
@@ -2104,12 +2113,12 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
dev->pci = pci_dev;
if (pci_enable_device(pci_dev)) {
err = -EIO;
- goto fail_unreg;
+ goto fail_ctrl;
}
if (cx23885_dev_setup(dev) < 0) {
err = -EINVAL;
- goto fail_unreg;
+ goto fail_ctrl;
}
/* print pci info */
@@ -2157,7 +2166,8 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
fail_irq:
cx23885_dev_unregister(dev);
-fail_unreg:
+fail_ctrl:
+ v4l2_ctrl_handler_free(hdl);
v4l2_device_unregister(&dev->v4l2_dev);
fail_free:
kfree(dev);
@@ -2180,6 +2190,7 @@ static void cx23885_finidev(struct pci_dev *pci_dev)
free_irq(pci_dev->irq, dev);
cx23885_dev_unregister(dev);
+ v4l2_ctrl_handler_free(&dev->ctrl_handler);
v4l2_device_unregister(v4l2_dev);
kfree(dev);
}
diff --git a/drivers/media/pci/cx23885/cx23885-video.c
b/drivers/media/pci/cx23885/cx23885-video.c
index ba93e29..090d48b 100644
--- a/drivers/media/pci/cx23885/cx23885-video.c
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -35,6 +35,7 @@
#include "cx23885-video.h"
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
#include "cx23885-ioctl.h"
#include "tuner-xc2028.h"
@@ -170,119 +171,6 @@ static struct cx23885_fmt *format_by_fourcc(unsigned int
fourcc)
/* ------------------------------------------------------------------- */
-static const struct v4l2_queryctrl no_ctl = {
- .name = "42",
- .flags = V4L2_CTRL_FLAG_DISABLED,
-};
-
-static struct cx23885_ctrl cx23885_ctls[] = {
- /* --- video --- */
- {
- .v = {
- .id = V4L2_CID_BRIGHTNESS,
- .name = "Brightness",
- .minimum = 0x00,
- .maximum = 0xff,
- .step = 1,
- .default_value = 0x7f,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 128,
- .reg = LUMA_CTRL,
- .mask = 0x00ff,
- .shift = 0,
- }, {
- .v = {
- .id = V4L2_CID_CONTRAST,
- .name = "Contrast",
- .minimum = 0,
- .maximum = 0x7f,
- .step = 1,
- .default_value = 0x3f,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 0,
- .reg = LUMA_CTRL,
- .mask = 0xff00,
- .shift = 8,
- }, {
- .v = {
- .id = V4L2_CID_HUE,
- .name = "Hue",
- .minimum = -127,
- .maximum = 128,
- .step = 1,
- .default_value = 0x0,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 128,
- .reg = CHROMA_CTRL,
- .mask = 0xff0000,
- .shift = 16,
- }, {
- /* strictly, this only describes only U saturation.
- * V saturation is handled specially through code.
- */
- .v = {
- .id = V4L2_CID_SATURATION,
- .name = "Saturation",
- .minimum = 0,
- .maximum = 0x7f,
- .step = 1,
- .default_value = 0x3f,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 0,
- .reg = CHROMA_CTRL,
- .mask = 0x00ff,
- .shift = 0,
- }, {
- /* --- audio --- */
- .v = {
- .id = V4L2_CID_AUDIO_MUTE,
- .name = "Mute",
- .minimum = 0,
- .maximum = 1,
- .default_value = 1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- },
- .reg = PATH1_CTL1,
- .mask = (0x1f << 24),
- .shift = 24,
- }, {
- .v = {
- .id = V4L2_CID_AUDIO_VOLUME,
- .name = "Volume",
- .minimum = 0,
- .maximum = 65535,
- .step = 65535 / 100,
- .default_value = 65535,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .reg = PATH1_VOL_CTL,
- .mask = 0xff,
- .shift = 0,
- }
-};
-static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
-
-/* Must be sorted from low to high control ID! */
-static const u32 cx23885_user_ctrls[] = {
- V4L2_CID_USER_CLASS,
- V4L2_CID_BRIGHTNESS,
- V4L2_CID_CONTRAST,
- V4L2_CID_SATURATION,
- V4L2_CID_HUE,
- V4L2_CID_AUDIO_VOLUME,
- V4L2_CID_AUDIO_MUTE,
- 0
-};
-
-static const u32 *ctrl_classes[] = {
- cx23885_user_ctrls,
- NULL
-};
-
void cx23885_video_wakeup(struct cx23885_dev *dev,
struct cx23885_dmaqueue *q, u32 count)
{
@@ -352,24 +240,6 @@ static struct video_device *cx23885_vdev_init(struct
cx23885_dev *dev,
return vfd;
}
-static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
-{
- int i;
-
- if (qctrl->id < V4L2_CID_BASE ||
- qctrl->id >= V4L2_CID_LASTP1)
- return -EINVAL;
- for (i = 0; i < CX23885_CTLS; i++)
- if (cx23885_ctls[i].v.id == qctrl->id)
- break;
- if (i == CX23885_CTLS) {
- *qctrl = no_ctl;
- return 0;
- }
- *qctrl = cx23885_ctls[i].v;
- return 0;
-}
-
/* ------------------------------------------------------------------- */
/* resource management */
@@ -936,12 +806,20 @@ static unsigned int video_poll(struct file *file,
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_buffer *buf;
- unsigned int rc = POLLERR;
+ unsigned long req_events = poll_requested_events(wait);
+ unsigned int rc = 0;
+
+ if (v4l2_event_pending(&fh->fh))
+ rc = POLLPRI;
+ else
+ poll_wait(file, &fh->fh.wait, wait);
+ if (!(req_events & (POLLIN | POLLRDNORM)))
+ return rc;
if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
if (!res_get(fh->dev, fh, RESOURCE_VBI))
- return POLLERR;
- return videobuf_poll_stream(file, &fh->vbiq, wait);
+ return rc | POLLERR;
+ return rc | videobuf_poll_stream(file, &fh->vbiq, wait);
}
mutex_lock(&fh->vidq.vb_lock);
@@ -960,9 +838,7 @@ static unsigned int video_poll(struct file *file,
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE ||
buf->vb.state == VIDEOBUF_ERROR)
- rc = POLLIN|POLLRDNORM;
- else
- rc = 0;
+ rc |= POLLIN | POLLRDNORM;
done:
mutex_unlock(&fh->vidq.vb_lock);
return rc;
@@ -1022,39 +898,6 @@ static int video_mmap(struct file *file, struct
vm_area_struct *vma)
}
/* ------------------------------------------------------------------ */
-/* VIDEO CTRL IOCTLS */
-
-int cx23885_get_control(struct cx23885_dev *dev,
- struct v4l2_control *ctl)
-{
- dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
- call_all(dev, core, g_ctrl, ctl);
- return 0;
-}
-
-int cx23885_set_control(struct cx23885_dev *dev,
- struct v4l2_control *ctl)
-{
- dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__);
- call_all(dev, core, s_ctrl, ctl);
-
- return 0;
-}
-
-static void init_controls(struct cx23885_dev *dev)
-{
- struct v4l2_control ctrl;
- int i;
-
- for (i = 0; i < CX23885_CTLS; i++) {
- ctrl.id = cx23885_ctls[i].v.id;
- ctrl.value = cx23885_ctls[i].v.default_value;
-
- cx23885_set_control(dev, &ctrl);
- }
-}
-
-/* ------------------------------------------------------------------ */
/* VIDEO IOCTLS */
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
@@ -1453,31 +1296,6 @@ static int vidioc_s_audinput(struct file *file, void
*priv,
return 0;
}
-static int vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qctrl)
-{
- qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
- if (unlikely(qctrl->id == 0))
- return -EINVAL;
- return cx23885_ctrl_query(qctrl);
-}
-
-static int vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
-
- return cx23885_get_control(dev, ctl);
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
-
- return cx23885_set_control(dev, ctl);
-}
-
static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
@@ -1529,7 +1347,8 @@ static int vidioc_g_frequency(struct file *file, void
*priv,
static int cx23885_set_freq(struct cx23885_dev *dev, const struct
v4l2_frequency *f)
{
- struct v4l2_control ctrl;
+ struct v4l2_ctrl *mute;
+ int old_mute_val = 1;
if (dev->tuner_type == TUNER_ABSENT)
return -EINVAL;
@@ -1539,9 +1358,12 @@ static int cx23885_set_freq(struct cx23885_dev *dev,
const struct v4l2_frequency
dev->freq = f->frequency;
/* I need to mute audio here */
- ctrl.id = V4L2_CID_AUDIO_MUTE;
- ctrl.value = 1;
- cx23885_set_control(dev, &ctrl);
+ mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
+ if (mute) {
+ old_mute_val = v4l2_ctrl_g_ctrl(mute);
+ if (!old_mute_val)
+ v4l2_ctrl_s_ctrl(mute, 1);
+ }
call_all(dev, tuner, s_frequency, f);
@@ -1549,8 +1371,8 @@ static int cx23885_set_freq(struct cx23885_dev *dev,
const struct v4l2_frequency
msleep(100);
/* I need to unmute audio here */
- ctrl.value = 0;
- cx23885_set_control(dev, &ctrl);
+ if (old_mute_val == 0)
+ v4l2_ctrl_s_ctrl(mute, old_mute_val);
return 0;
}
@@ -1558,7 +1380,8 @@ static int cx23885_set_freq(struct cx23885_dev *dev,
const struct v4l2_frequency
static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
const struct v4l2_frequency *f)
{
- struct v4l2_control ctrl;
+ struct v4l2_ctrl *mute;
+ int old_mute_val = 1;
struct videobuf_dvb_frontend *vfe;
struct dvb_frontend *fe;
@@ -1572,9 +1395,12 @@ static int cx23885_set_freq_via_ops(struct cx23885_dev
*dev,
dev->freq = f->frequency;
/* I need to mute audio here */
- ctrl.id = V4L2_CID_AUDIO_MUTE;
- ctrl.value = 1;
- cx23885_set_control(dev, &ctrl);
+ mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
+ if (mute) {
+ old_mute_val = v4l2_ctrl_g_ctrl(mute);
+ if (!old_mute_val)
+ v4l2_ctrl_s_ctrl(mute, 1);
+ }
/* If HVR1850 */
dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
@@ -1603,8 +1429,8 @@ static int cx23885_set_freq_via_ops(struct cx23885_dev
*dev,
msleep(100);
/* I need to unmute audio here */
- ctrl.value = 0;
- cx23885_set_control(dev, &ctrl);
+ if (old_mute_val == 0)
+ v4l2_ctrl_s_ctrl(mute, old_mute_val);
return 0;
}
@@ -1749,9 +1575,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
.vidioc_log_status = vidioc_log_status,
- .vidioc_queryctrl = vidioc_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_g_tuner = vidioc_g_tuner,
@@ -1766,6 +1589,8 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_enumaudio = vidioc_enum_audinput,
.vidioc_g_audio = vidioc_g_audinput,
.vidioc_s_audio = vidioc_s_audinput,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static struct video_device cx23885_vbi_template;
@@ -1889,7 +1714,6 @@ int cx23885_video_register(struct cx23885_dev *dev)
/* initial device configuration */
mutex_lock(&dev->lock);
cx23885_set_tvnorm(dev, dev->tvnorm);
- init_controls(dev);
cx23885_video_mux(dev, 0);
cx23885_audio_mux(dev, 0);
mutex_unlock(&dev->lock);
diff --git a/drivers/media/pci/cx23885/cx23885.h
b/drivers/media/pci/cx23885/cx23885.h
index de164c9..516435c 100644
--- a/drivers/media/pci/cx23885/cx23885.h
+++ b/drivers/media/pci/cx23885/cx23885.h
@@ -26,6 +26,7 @@
#include <media/v4l2-device.h>
#include <media/v4l2-fh.h>
+#include <media/v4l2-ctrls.h>
#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/videobuf-dma-sg.h>
@@ -132,14 +133,6 @@ struct cx23885_fmt {
u32 cxformat;
};
-struct cx23885_ctrl {
- struct v4l2_queryctrl v;
- u32 off;
- u32 reg;
- u32 mask;
- u32 shift;
-};
-
struct cx23885_tvnorm {
char *name;
v4l2_std_id id;
@@ -370,6 +363,7 @@ struct cx23885_audio_dev {
struct cx23885_dev {
atomic_t refcount;
struct v4l2_device v4l2_dev;
+ struct v4l2_ctrl_handler ctrl_handler;
/* pci stuff */
struct pci_dev *pci;
@@ -597,8 +591,6 @@ int cx23885_enum_input(struct cx23885_dev *dev, struct
v4l2_input *i);
int cx23885_set_input(struct file *file, void *priv, unsigned int i);
int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
int cx23885_set_frequency(struct file *file, void *priv, const struct
v4l2_frequency *f);
-int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
-int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
/* ----------------------------------------------------------- */
--
2.1.0.rc1
--
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