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V4L/DVB (11167): pvrusb2: Tie in various v4l2 operations into the sub-device mechanism

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This is another step in the v42l-subdev assimilation.  This implements
various call-outs to sub-devices based on state changes within the
pvrusb2 driver.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mike Isely 2009-03-07 00:13:25 -03:00 committed by Mauro Carvalho Chehab
parent 40f07111be
commit 2641df3621
2 changed files with 99 additions and 4 deletions
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102
drivers/media/video/pvrusb2/pvrusb2-hdw.c
View file

@ -2839,11 +2839,102 @@ static const char *get_ctrl_typename(enum pvr2_ctl_type tp)
}
static void pvr2_subdev_set_control(struct pvr2_hdw *hdw, int id,
const char *name, int val)
{
struct v4l2_control ctrl;
pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 %s=%d", name, val);
memset(&ctrl, 0, sizeof(ctrl));
ctrl.id = id;
ctrl.value = val;
v4l2_device_call_all(&hdw->v4l2_dev, 0, core, s_ctrl, &ctrl);
}
#define PVR2_SUBDEV_SET_CONTROL(hdw, id, lab) \
if ((hdw)->lab##_dirty) { \
pvr2_subdev_set_control(hdw, id, #lab, (hdw)->lab##_val); \
}
/* Execute whatever commands are required to update the state of all the
sub-devices so that it matches our current control values. */
sub-devices so that they match our current control values. */
static void pvr2_subdev_update(struct pvr2_hdw *hdw)
{
/* ????? */
if (hdw->input_dirty || hdw->std_dirty) {
pvr2_trace(PVR2_TRACE_CHIPS,"subdev v4l2 set_standard");
if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
v4l2_device_call_all(&hdw->v4l2_dev, 0,
tuner, s_radio);
} else {
v4l2_std_id vs;
vs = hdw->std_mask_cur;
v4l2_device_call_all(&hdw->v4l2_dev, 0,
tuner, s_std, vs);
}
hdw->tuner_signal_stale = !0;
hdw->cropcap_stale = !0;
}
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_BRIGHTNESS, brightness);
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_CONTRAST, contrast);
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_SATURATION, saturation);
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_HUE, hue);
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_MUTE, mute);
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_VOLUME, volume);
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_BALANCE, balance);
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_BASS, bass);
PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_TREBLE, treble);
if (hdw->input_dirty || hdw->audiomode_dirty) {
struct v4l2_tuner vt;
memset(&vt, 0, sizeof(vt));
vt.audmode = hdw->audiomode_val;
v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, s_tuner, &vt);
}
if (hdw->freqDirty) {
unsigned long fv;
struct v4l2_frequency freq;
fv = pvr2_hdw_get_cur_freq(hdw);
pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_freq(%lu)", fv);
if (hdw->tuner_signal_stale) pvr2_hdw_status_poll(hdw);
memset(&freq, 0, sizeof(freq));
if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
/* ((fv * 1000) / 62500) */
freq.frequency = (fv * 2) / 125;
} else {
freq.frequency = fv / 62500;
}
/* tuner-core currently doesn't seem to care about this, but
let's set it anyway for completeness. */
if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
freq.type = V4L2_TUNER_RADIO;
} else {
freq.type = V4L2_TUNER_ANALOG_TV;
}
freq.tuner = 0;
v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner,
s_frequency, &freq);
}
if (hdw->res_hor_dirty || hdw->res_ver_dirty) {
struct v4l2_format fmt;
memset(&fmt, 0, sizeof(fmt));
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fmt.fmt.pix.width = hdw->res_hor_val;
fmt.fmt.pix.height = hdw->res_ver_val;
pvr2_trace(PVR2_TRACE_CHIPS,"subdev v4l2 set_size(%dx%d)",
fmt.fmt.pix.width, fmt.fmt.pix.height);
v4l2_device_call_all(&hdw->v4l2_dev, 0, video, s_fmt, &fmt);
}
/* Unable to set crop parameters; there is apparently no equivalent
for VIDIOC_S_CROP */
/* ????? Cover special cases for specific sub-devices. */
if (hdw->tuner_signal_stale && hdw->cropcap_stale) {
pvr2_hdw_status_poll(hdw);
}
}
@ -4818,6 +4909,7 @@ void pvr2_hdw_status_poll(struct pvr2_hdw *hdw)
{
struct v4l2_tuner *vtp = &hdw->tuner_signal_info;
memset(vtp, 0, sizeof(*vtp));
hdw->tuner_signal_stale = 0;
pvr2_i2c_core_status_poll(hdw);
/* Note: There apparently is no replacement for VIDIOC_CROPCAP
using v4l2-subdev - therefore we can't support that AT ALL right
@ -4825,12 +4917,16 @@ void pvr2_hdw_status_poll(struct pvr2_hdw *hdw)
But now it's a a chicken and egg problem...) */
v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, g_tuner,
&hdw->tuner_signal_info);
pvr2_trace(PVR2_TRACE_CHIPS, "client status poll"
pvr2_trace(PVR2_TRACE_CHIPS, "subdev status poll"
" type=%u strength=%u audio=0x%x cap=0x%x"
" low=%u hi=%u",
vtp->type,
vtp->signal, vtp->rxsubchans, vtp->capability,
vtp->rangelow, vtp->rangehigh);
/* We have to do this to avoid getting into constant polling if
there's nobody to answer a poll of cropcap info. */
hdw->cropcap_stale = 0;
}

1
drivers/media/video/pvrusb2/pvrusb2-i2c-track.c
View file

@ -117,7 +117,6 @@ void pvr2_i2c_core_status_poll(struct pvr2_hdw *hdw)
if (!cp->status_poll) continue;
cp->status_poll(cp);
}
hdw->tuner_signal_stale = 0;
} while (0); mutex_unlock(&hdw->i2c_list_lock);
}