diff options
author | Mike Isely <isely@pobox.com> | 2009-03-07 06:13:25 +0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 19:43:34 +0400 |
commit | 2641df36212ebb29aa8d7e9a9ecac7b349108c6f (patch) | |
tree | ca778a768a9de70bbdc4de4e98aeecfa3aad2974 /drivers/media/video/pvrusb2/pvrusb2-hdw.c | |
parent | 40f07111be99b71c1e8d40c13cdc38445add787f (diff) | |
download | linux-2641df36212ebb29aa8d7e9a9ecac7b349108c6f.tar.xz |
V4L/DVB (11167): pvrusb2: Tie in various v4l2 operations into the sub-device mechanism
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>
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 102 |
1 files changed, 99 insertions, 3 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index d619e807a339..8aeccb27019b 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -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; } |