From 32f4654ef30b14ff757cac72699b6a303ff7a1ba Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sun, 9 Feb 2014 08:05:52 +0200 Subject: [PATCH] v4l2-ctl: add tuner support for SDR tuners Add initial SDR support for tuner related operations. Cc: Hans Verkuil Signed-off-by: Antti Palosaari Acked-by: Hans Verkuil Signed-off-by: Hans Verkuil --- utils/v4l2-ctl/v4l2-ctl-tuner.cpp | 53 +++++++++++++++++++++++++++++++-------- 1 file changed, 43 insertions(+), 10 deletions(-) diff --git a/utils/v4l2-ctl/v4l2-ctl-tuner.cpp b/utils/v4l2-ctl/v4l2-ctl-tuner.cpp index 16e1652..0fc2371 100644 --- a/utils/v4l2-ctl/v4l2-ctl-tuner.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-tuner.cpp @@ -116,6 +116,8 @@ static std::string tcap2s(unsigned cap) if (cap & V4L2_TUNER_CAP_LOW) s += "62.5 Hz "; + else if (cap & V4L2_TUNER_CAP_1HZ) + s += "1 Hz "; else s += "62.5 kHz "; if (cap & V4L2_TUNER_CAP_NORM) @@ -264,12 +266,24 @@ void tuner_set(int fd) if (capabilities & V4L2_CAP_MODULATOR) { type = V4L2_TUNER_RADIO; modulator.index = tuner_index; - if (doioctl(fd, VIDIOC_G_MODULATOR, &modulator) == 0) - fac = (modulator.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16; + if (doioctl(fd, VIDIOC_G_MODULATOR, &modulator) == 0) { + if (modulator.capability & V4L2_TUNER_CAP_LOW) + fac = 16000; + else if (modulator.capability & V4L2_TUNER_CAP_1HZ) + fac = 1000000; + else + fac = 16; + } } else if (capabilities & V4L2_CAP_TUNER) { tuner.index = tuner_index; if (doioctl(fd, VIDIOC_G_TUNER, &tuner) == 0) { - fac = (tuner.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16; + if (tuner.capability & V4L2_TUNER_CAP_LOW) + fac = 16000; + else if (tuner.capability & V4L2_TUNER_CAP_1HZ) + fac = 1000000; + else + fac = 16; + type = tuner.type; } } @@ -310,6 +324,9 @@ void tuner_set(int fd) if (band.capability & V4L2_TUNER_CAP_LOW) printf("\tFrequency Range: %.3f MHz - %.3f MHz\n", band.rangelow / 16000.0, band.rangehigh / 16000.0); + else if (band.capability & V4L2_TUNER_CAP_1HZ) + printf("\tFrequency Range: %.6f MHz - %.6f MHz\n", + band.rangelow / 1000000.0, band.rangehigh / 1000000.0); else printf("\tFrequency Range: %.3f MHz - %.3f MHz\n", band.rangelow / 16.0, band.rangehigh / 16.0); @@ -345,13 +362,24 @@ void tuner_get(int fd) if (capabilities & V4L2_CAP_MODULATOR) { vf.type = V4L2_TUNER_RADIO; modulator.index = tuner_index; - if (doioctl(fd, VIDIOC_G_MODULATOR, &modulator) == 0) - fac = (modulator.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16; + if (doioctl(fd, VIDIOC_G_MODULATOR, &modulator) == 0) { + if (modulator.capability & V4L2_TUNER_CAP_LOW) + fac = 16000; + else if (modulator.capability & V4L2_TUNER_CAP_1HZ) + fac = 1000000; + else + fac = 16; + } } else { vf.type = V4L2_TUNER_ANALOG_TV; tuner.index = tuner_index; if (doioctl(fd, VIDIOC_G_TUNER, &tuner) == 0) { - fac = (tuner.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16; + if (tuner.capability & V4L2_TUNER_CAP_LOW) + fac = 16000; + else if (tuner.capability & V4L2_TUNER_CAP_1HZ) + fac = 1000000; + else + fac = 16; vf.type = tuner.type; } } @@ -373,13 +401,18 @@ void tuner_get(int fd) if (vt.capability & V4L2_TUNER_CAP_LOW) printf("\tFrequency range : %.3f MHz - %.3f MHz\n", vt.rangelow / 16000.0, vt.rangehigh / 16000.0); + else if (vt.capability & V4L2_TUNER_CAP_1HZ) + printf("\tFrequency range : %.6f MHz - %.6f MHz\n", + vt.rangelow / 1000000.0, vt.rangehigh / 1000000.0); else printf("\tFrequency range : %.3f MHz - %.3f MHz\n", vt.rangelow / 16.0, vt.rangehigh / 16.0); - printf("\tSignal strength/AFC : %d%%/%d\n", (int)((vt.signal / 655.35)+0.5), vt.afc); - printf("\tCurrent audio mode : %s\n", audmode2s(vt.audmode)); - printf("\tAvailable subchannels: %s\n", - rxsubchans2s(vt.rxsubchans).c_str()); + + if (vt.type != V4L2_TUNER_ADC && vt.type != V4L2_TUNER_RF) { + printf("\tSignal strength/AFC : %d%%/%d\n", (int)((vt.signal / 655.35)+0.5), vt.afc); + printf("\tCurrent audio mode : %s\n", audmode2s(vt.audmode)); + printf("\tAvailable subchannels: %s\n", rxsubchans2s(vt.rxsubchans).c_str()); + } } } -- 2.7.4