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[media] tm6000: convert to the control framework 

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-01-31 08:23:01 -03:00 committed by Mauro Carvalho Chehab
parent 2c2a053626
commit 9f7473592b
2 changed files with 70 additions and 169 deletions
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236
drivers/media/usb/tm6000/tm6000-video.c
View File

@ -63,71 +63,6 @@ static bool keep_urb; /* keep urb buffers allocated */
int tm6000_debug;
EXPORT_SYMBOL_GPL(tm6000_debug);
static const struct v4l2_queryctrl no_ctrl = {
.name = "42",
.flags = V4L2_CTRL_FLAG_DISABLED,
};
/* supported controls */
static struct v4l2_queryctrl tm6000_qctrl[] = {
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = 0,
.maximum = 255,
.step = 1,
.default_value = 54,
.flags = 0,
}, {
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
.maximum = 255,
.step = 0x1,
.default_value = 119,
.flags = 0,
}, {
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Saturation",
.minimum = 0,
.maximum = 255,
.step = 0x1,
.default_value = 112,
.flags = 0,
}, {
.id = V4L2_CID_HUE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Hue",
.minimum = -128,
.maximum = 127,
.step = 0x1,
.default_value = 0,
.flags = 0,
},
/* --- audio --- */
{
.id = V4L2_CID_AUDIO_MUTE,
.name = "Mute",
.minimum = 0,
.maximum = 1,
.type = V4L2_CTRL_TYPE_BOOLEAN,
}, {
.id = V4L2_CID_AUDIO_VOLUME,
.name = "Volume",
.minimum = -15,
.maximum = 15,
.step = 1,
.default_value = 0,
.type = V4L2_CTRL_TYPE_INTEGER,
}
};
static const unsigned int CTRLS = ARRAY_SIZE(tm6000_qctrl);
static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)];
static struct tm6000_fmt format[] = {
{
.name = "4:2:2, packed, YVY2",
@ -144,16 +79,6 @@ static struct tm6000_fmt format[] = {
}
};
static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id)
{
unsigned int i;
for (i = 0; i < CTRLS; i++)
if (tm6000_qctrl[i].id == id)
return tm6000_qctrl+i;
return NULL;
}
/* ------------------------------------------------------------------
* DMA and thread functions
* ------------------------------------------------------------------
@ -1215,65 +1140,11 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
}
/* --- controls ---------------------------------------------- */
static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc)
static int tm6000_s_ctrl(struct v4l2_ctrl *ctrl)
{
int i;
for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++)
if (qc->id && qc->id == tm6000_qctrl[i].id) {
memcpy(qc, &(tm6000_qctrl[i]),
sizeof(*qc));
return 0;
}
return -EINVAL;
}
static int vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
int val;
/* FIXME: Probably, those won't work! Maybe we need shadow regs */
switch (ctrl->id) {
case V4L2_CID_CONTRAST:
val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0);
break;
case V4L2_CID_BRIGHTNESS:
val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0);
return 0;
case V4L2_CID_SATURATION:
val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0);
return 0;
case V4L2_CID_HUE:
val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0);
return 0;
case V4L2_CID_AUDIO_MUTE:
val = dev->ctl_mute;
return 0;
case V4L2_CID_AUDIO_VOLUME:
val = dev->ctl_volume;
return 0;
default:
return -EINVAL;
}
if (val < 0)
return val;
ctrl->value = val;
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
u8 val = ctrl->value;
struct tm6000_core *dev = container_of(ctrl->handler, struct tm6000_core, ctrl_handler);
u8 val = ctrl->val;
switch (ctrl->id) {
case V4L2_CID_CONTRAST:
@ -1288,6 +1159,21 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
case V4L2_CID_HUE:
tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val);
return 0;
}
return -EINVAL;
}
static const struct v4l2_ctrl_ops tm6000_ctrl_ops = {
.s_ctrl = tm6000_s_ctrl,
};
static int tm6000_radio_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct tm6000_core *dev = container_of(ctrl->handler,
struct tm6000_core, radio_ctrl_handler);
u8 val = ctrl->val;
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
dev->ctl_mute = val;
tm6000_tvaudio_set_mute(dev, val);
@ -1300,6 +1186,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
return -EINVAL;
}
static const struct v4l2_ctrl_ops tm6000_radio_ctrl_ops = {
.s_ctrl = tm6000_radio_s_ctrl,
};
static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
@ -1418,23 +1308,6 @@ static int radio_s_tuner(struct file *file, void *priv,
return 0;
}
static int radio_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *c)
{
const struct v4l2_queryctrl *ctrl;
if (c->id < V4L2_CID_BASE ||
c->id >= V4L2_CID_LASTP1)
return -EINVAL;
if (c->id == V4L2_CID_AUDIO_MUTE) {
ctrl = ctrl_by_id(c->id);
*c = *ctrl;
} else
*c = no_ctrl;
return 0;
}
/* ------------------------------------------------------------------
File operations for the device
------------------------------------------------------------------*/
@ -1445,7 +1318,7 @@ static int __tm6000_open(struct file *file)
struct tm6000_core *dev = video_drvdata(file);
struct tm6000_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
int i, rc;
int rc;
int radio = 0;
dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n",
@ -1505,13 +1378,7 @@ static int __tm6000_open(struct file *file)
if (rc < 0)
return rc;
if (dev->mode != TM6000_MODE_ANALOG) {
/* Put all controls at a sane state */
for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++)
qctl_regs[i] = tm6000_qctrl[i].default_value;
dev->mode = TM6000_MODE_ANALOG;
}
dev->mode = TM6000_MODE_ANALOG;
if (!fh->radio) {
videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops,
@ -1678,9 +1545,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
.vidioc_queryctrl = vidioc_queryctrl,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
@ -1713,9 +1577,6 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = radio_g_tuner,
.vidioc_s_tuner = radio_s_tuner,
.vidioc_queryctrl = radio_queryctrl,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
};
@ -1755,15 +1616,41 @@ static struct video_device *vdev_init(struct tm6000_core *dev,
int tm6000_v4l2_register(struct tm6000_core *dev)
{
int ret = -1;
int ret = 0;
v4l2_ctrl_handler_init(&dev->ctrl_handler, 6);
v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 2);
v4l2_ctrl_new_std(&dev->radio_ctrl_handler, &tm6000_radio_ctrl_ops,
V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
v4l2_ctrl_new_std(&dev->radio_ctrl_handler, &tm6000_radio_ctrl_ops,
V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 255, 1, 54);
v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
V4L2_CID_CONTRAST, 0, 255, 1, 119);
v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
V4L2_CID_SATURATION, 0, 255, 1, 112);
v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
V4L2_CID_HUE, -128, 127, 1, 0);
v4l2_ctrl_add_handler(&dev->ctrl_handler,
&dev->radio_ctrl_handler, NULL);
if (dev->radio_ctrl_handler.error)
ret = dev->radio_ctrl_handler.error;
if (!ret && dev->ctrl_handler.error)
ret = dev->ctrl_handler.error;
if (ret)
goto free_ctrl;
dev->vfd = vdev_init(dev, &tm6000_template, "video");
if (!dev->vfd) {
printk(KERN_INFO "%s: can't register video device\n",
dev->name);
return -ENOMEM;
ret = -ENOMEM;
goto free_ctrl;
}
dev->vfd->ctrl_handler = &dev->ctrl_handler;
/* init video dma queues */
INIT_LIST_HEAD(&dev->vidq.active);
@ -1774,7 +1661,9 @@ int tm6000_v4l2_register(struct tm6000_core *dev)
if (ret < 0) {
printk(KERN_INFO "%s: can't register video device\n",
dev->name);
return ret;
video_device_release(dev->vfd);
dev->vfd = NULL;
goto free_ctrl;
}
printk(KERN_INFO "%s: registered device %s\n",
@ -1787,15 +1676,17 @@ int tm6000_v4l2_register(struct tm6000_core *dev)
printk(KERN_INFO "%s: can't register radio device\n",
dev->name);
ret = -ENXIO;
return ret; /* FIXME release resource */
goto unreg_video;
}
dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
radio_nr);
if (ret < 0) {
printk(KERN_INFO "%s: can't register radio device\n",
dev->name);
return ret; /* FIXME release resource */
video_device_release(dev->radio_dev);
goto unreg_video;
}
printk(KERN_INFO "%s: registered device %s\n",
@ -1804,6 +1695,13 @@ int tm6000_v4l2_register(struct tm6000_core *dev)
printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret);
return ret;
unreg_video:
video_unregister_device(dev->vfd);
free_ctrl:
v4l2_ctrl_handler_free(&dev->ctrl_handler);
v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
return ret;
}
int tm6000_v4l2_unregister(struct tm6000_core *dev)

3
drivers/media/usb/tm6000/tm6000.h
View File

@ -27,6 +27,7 @@
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <linux/dvb/frontend.h>
#include "dvb_demux.h"
@ -222,6 +223,8 @@ struct tm6000_core {
struct video_device *radio_dev;
struct tm6000_dmaqueue vidq;
struct v4l2_device v4l2_dev;
struct v4l2_ctrl_handler ctrl_handler;
struct v4l2_ctrl_handler radio_ctrl_handler;
int input;
struct tm6000_input vinput[3]; /* video input */