From: Hans Verkuil <hans.verk...@cisco.com>
Convert to the control framework, fix the easy v4l2-compliance failures.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/video/mxb.c | 175 ++++++++++++++++++++++-----------------------
drivers/media/video/mxb.h | 29 --------
2 files changed, 87 insertions(+), 117 deletions(-)
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
index ca3f70f..e289e83 100644
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -64,8 +64,8 @@ enum { TUNER, AUX1, AUX3, AUX3_YC };
static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
{ TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0,
V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
{ AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0,
V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
- { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0,
V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
- { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0,
V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
+ { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 8, 0,
V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
+ { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 8, 0,
V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
};
/* this array holds the information, which port of the saa7146 each
@@ -90,6 +90,36 @@ struct mxb_routing {
u32 output;
};
+/* these are the available audio sources, which can switched
+ to the line- and cd-output individually */
+static struct v4l2_audio mxb_audios[MXB_AUDIOS] = {
+ {
+ .index = 0,
+ .name = "Tuner",
+ .capability = V4L2_AUDCAP_STEREO,
+ } , {
+ .index = 1,
+ .name = "AUX1",
+ .capability = V4L2_AUDCAP_STEREO,
+ } , {
+ .index = 2,
+ .name = "AUX2",
+ .capability = V4L2_AUDCAP_STEREO,
+ } , {
+ .index = 3,
+ .name = "AUX3",
+ .capability = V4L2_AUDCAP_STEREO,
+ } , {
+ .index = 4,
+ .name = "Radio (X9)",
+ .capability = V4L2_AUDCAP_STEREO,
+ } , {
+ .index = 5,
+ .name = "CD-ROM (X10)",
+ .capability = V4L2_AUDCAP_STEREO,
+ }
+};
+
/* These are the necessary input-output-pins for bringing one audio source
(see above) to the CD-output. Note that gain is set to 0 in this table. */
static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
@@ -114,11 +144,6 @@ static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2]
= {
{ { 6, 3 }, { 6, 2 } } /* Mute */
};
-#define MAXCONTROLS 1
-static struct v4l2_queryctrl mxb_controls[] = {
- { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
-};
-
struct mxb
{
struct video_device *video_dev;
@@ -168,16 +193,45 @@ static inline void tea6420_route_line(struct mxb *mxb,
int idx)
static struct saa7146_extension extension;
+static int mxb_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct saa7146_dev *dev = container_of(ctrl->handler,
+ struct saa7146_dev, ctrl_handler);
+ struct mxb *mxb = dev->ext_priv;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ mxb->cur_mute = ctrl->val;
+ /* switch the audio-source */
+ tea6420_route_line(mxb, ctrl->val ? 6 :
+ video_audio_connect[mxb->cur_input]);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops mxb_ctrl_ops = {
+ .s_ctrl = mxb_s_ctrl,
+};
+
static int mxb_probe(struct saa7146_dev *dev)
{
+ struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
struct mxb *mxb = NULL;
+ v4l2_ctrl_new_std(hdl, &mxb_ctrl_ops,
+ V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
+ if (hdl->error)
+ return hdl->error;
mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
if (mxb == NULL) {
DEB_D("not enough kernel memory\n");
return -ENOMEM;
}
+
snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d",
mxb_num);
saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter,
SAA7146_I2C_BUS_BIT_RATE_480);
@@ -214,6 +268,8 @@ static int mxb_probe(struct saa7146_dev *dev)
/* we store the pointer in our private data field */
dev->ext_priv = mxb;
+ v4l2_ctrl_handler_setup(hdl);
+
return 0;
}
@@ -385,69 +441,6 @@ void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
}
*/
-static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl
*qc)
-{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
- int i;
-
- for (i = MAXCONTROLS - 1; i >= 0; i--) {
- if (mxb_controls[i].id == qc->id) {
- *qc = mxb_controls[i];
- DEB_D("VIDIOC_QUERYCTRL %d\n", qc->id);
- return 0;
- }
- }
- return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc);
-}
-
-static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
-{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
- struct mxb *mxb = (struct mxb *)dev->ext_priv;
- int i;
-
- for (i = MAXCONTROLS - 1; i >= 0; i--) {
- if (mxb_controls[i].id == vc->id)
- break;
- }
-
- if (i < 0)
- return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc);
-
- if (vc->id == V4L2_CID_AUDIO_MUTE) {
- vc->value = mxb->cur_mute;
- DEB_D("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d\n", vc->value);
- return 0;
- }
-
- DEB_EE("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d\n", vc->value);
- return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
-{
- struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
- struct mxb *mxb = (struct mxb *)dev->ext_priv;
- int i = 0;
-
- for (i = MAXCONTROLS - 1; i >= 0; i--) {
- if (mxb_controls[i].id == vc->id)
- break;
- }
-
- if (i < 0)
- return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc);
-
- if (vc->id == V4L2_CID_AUDIO_MUTE) {
- mxb->cur_mute = vc->value;
- /* switch the audio-source */
- tea6420_route_line(mxb, vc->value ? 6 :
- video_audio_connect[mxb->cur_input]);
- DEB_EE("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d\n", vc->value);
- }
- return 0;
-}
-
static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
{
DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);
@@ -568,12 +561,8 @@ static int vidioc_g_frequency(struct file *file, void *fh,
struct v4l2_frequency
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
- if (mxb->cur_input) {
- DEB_D("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",
- mxb->cur_input);
+ if (f->tuner)
return -EINVAL;
- }
-
*f = mxb->cur_freq;
DEB_EE("VIDIOC_G_FREQ: freq:0x%08x\n", mxb->cur_freq.frequency);
@@ -592,17 +581,16 @@ static int vidioc_s_frequency(struct file *file, void
*fh, struct v4l2_frequency
if (V4L2_TUNER_ANALOG_TV != f->type)
return -EINVAL;
- if (mxb->cur_input) {
- DEB_D("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",
- mxb->cur_input);
- return -EINVAL;
- }
-
- mxb->cur_freq = *f;
DEB_EE("VIDIOC_S_FREQUENCY: freq:0x%08x\n", mxb->cur_freq.frequency);
/* tune in desired frequency */
- tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
+ tuner_call(mxb, tuner, s_frequency, f);
+ /* let the tuner subdev clamp the frequency to the tuner range */
+ tuner_call(mxb, tuner, g_frequency, f);
+ mxb->cur_freq = *f;
+
+ if (mxb->cur_input)
+ return 0;
/* hack: changing the frequency should invalidate the vbi-counter (=>
alevt) */
spin_lock(&dev->slock);
@@ -612,6 +600,14 @@ static int vidioc_s_frequency(struct file *file, void *fh,
struct v4l2_frequency
return 0;
}
+static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
+{
+ if (a->index >= MXB_AUDIOS)
+ return -EINVAL;
+ *a = mxb_audios[a->index];
+ return 0;
+}
+
static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
@@ -629,8 +625,13 @@ static int vidioc_g_audio(struct file *file, void *fh,
struct v4l2_audio *a)
static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
{
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct mxb *mxb = (struct mxb *)dev->ext_priv;
+
DEB_D("VIDIOC_S_AUDIO %d\n", a->index);
- return 0;
+ if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index))
+ return 0;
+ return -EINVAL;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
@@ -709,9 +710,6 @@ static int mxb_attach(struct saa7146_dev *dev, struct
saa7146_pci_extension_data
}
mxb = (struct mxb *)dev->ext_priv;
- vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
- vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
- vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
vv_data.ops.vidioc_enum_input = vidioc_enum_input;
vv_data.ops.vidioc_g_input = vidioc_g_input;
vv_data.ops.vidioc_s_input = vidioc_s_input;
@@ -719,6 +717,7 @@ static int mxb_attach(struct saa7146_dev *dev, struct
saa7146_pci_extension_data
vv_data.ops.vidioc_s_tuner = vidioc_s_tuner;
vv_data.ops.vidioc_g_frequency = vidioc_g_frequency;
vv_data.ops.vidioc_s_frequency = vidioc_s_frequency;
+ vv_data.ops.vidioc_enumaudio = vidioc_enumaudio;
vv_data.ops.vidioc_g_audio = vidioc_g_audio;
vv_data.ops.vidioc_s_audio = vidioc_s_audio;
#ifdef CONFIG_VIDEO_ADV_DEBUG
@@ -836,7 +835,7 @@ MODULE_DEVICE_TABLE(pci, pci_tbl);
static struct saa7146_ext_vv vv_data = {
.inputs = MXB_INPUTS,
- .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
+ .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE |
V4L2_CAP_AUDIO,
.stds = &standard[0],
.num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
.std_callback = &std_callback,
diff --git a/drivers/media/video/mxb.h b/drivers/media/video/mxb.h
index 400a57b..dfa4b1c 100644
--- a/drivers/media/video/mxb.h
+++ b/drivers/media/video/mxb.h
@@ -10,33 +10,4 @@
#define MXB_AUDIOS 6
-/* these are the available audio sources, which can switched
- to the line- and cd-output individually */
-static struct v4l2_audio mxb_audios[MXB_AUDIOS] = {
- {
- .index = 0,
- .name = "Tuner",
- .capability = V4L2_AUDCAP_STEREO,
- } , {
- .index = 1,
- .name = "AUX1",
- .capability = V4L2_AUDCAP_STEREO,
- } , {
- .index = 2,
- .name = "AUX2",
- .capability = V4L2_AUDCAP_STEREO,
- } , {
- .index = 3,
- .name = "AUX3",
- .capability = V4L2_AUDCAP_STEREO,
- } , {
- .index = 4,
- .name = "Radio (X9)",
- .capability = V4L2_AUDCAP_STEREO,
- } , {
- .index = 5,
- .name = "CD-ROM (X10)",
- .capability = V4L2_AUDCAP_STEREO,
- }
-};
#endif
--
1.7.10
--
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