diff options
| -rw-r--r-- | Documentation/media/v4l-drivers/index.rst | 2 | ||||
| -rw-r--r-- | Documentation/media/v4l-drivers/si476x.rst | 229 |
2 files changed, 96 insertions, 135 deletions
diff --git a/Documentation/media/v4l-drivers/index.rst b/Documentation/media/v4l-drivers/index.rst index 5a582438b2c4..3ff127195fd3 100644 --- a/Documentation/media/v4l-drivers/index.rst +++ b/Documentation/media/v4l-drivers/index.rst @@ -36,4 +36,6 @@ License". saa7134 sh_mobile_ceu_camera si470x + si4713 + si476x zr364xx diff --git a/Documentation/media/v4l-drivers/si476x.rst b/Documentation/media/v4l-drivers/si476x.rst index 616607955aaf..01a8d44425aa 100644 --- a/Documentation/media/v4l-drivers/si476x.rst +++ b/Documentation/media/v4l-drivers/si476x.rst @@ -27,159 +27,118 @@ The drivers exposes following files: information. The contents of the file is binary data of the following layout: - Offset | Name | Description - ==================================================================== - 0x00 | blend_int | Flag, set when stereo separation has - | | crossed below the blend threshold - -------------------------------------------------------------------- - 0x01 | hblend_int | Flag, set when HiBlend cutoff - | | frequency is lower than threshold - -------------------------------------------------------------------- - 0x02 | hicut_int | Flag, set when HiCut cutoff - | | frequency is lower than threshold - -------------------------------------------------------------------- - 0x03 | chbw_int | Flag, set when channel filter - | | bandwidth is less than threshold - -------------------------------------------------------------------- - 0x04 | softmute_int | Flag indicating that softmute - | | attenuation has increased above - | | softmute threshold - -------------------------------------------------------------------- - 0x05 | smute | 0 - Audio is not soft muted - | | 1 - Audio is soft muted - -------------------------------------------------------------------- - 0x06 | smattn | Soft mute attenuation level in dB - -------------------------------------------------------------------- - 0x07 | chbw | Channel filter bandwidth in kHz - -------------------------------------------------------------------- - 0x08 | hicut | HiCut cutoff frequency in units of - | | 100Hz - -------------------------------------------------------------------- - 0x09 | hiblend | HiBlend cutoff frequency in units - | | of 100 Hz - -------------------------------------------------------------------- - 0x10 | pilot | 0 - Stereo pilot is not present - | | 1 - Stereo pilot is present - -------------------------------------------------------------------- - 0x11 | stblend | Stereo blend in % - -------------------------------------------------------------------- + ============= ============== ==================================== + Offset Name Description + ============= ============== ==================================== + 0x00 blend_int Flag, set when stereo separation has + crossed below the blend threshold + 0x01 hblend_int Flag, set when HiBlend cutoff + frequency is lower than threshold + 0x02 hicut_int Flag, set when HiCut cutoff + frequency is lower than threshold + 0x03 chbw_int Flag, set when channel filter + bandwidth is less than threshold + 0x04 softmute_int Flag indicating that softmute + attenuation has increased above + softmute threshold + 0x05 smute 0 - Audio is not soft muted + 1 - Audio is soft muted + 0x06 smattn Soft mute attenuation level in dB + 0x07 chbw Channel filter bandwidth in kHz + 0x08 hicut HiCut cutoff frequency in units of + 100Hz + 0x09 hiblend HiBlend cutoff frequency in units + of 100 Hz + 0x10 pilot 0 - Stereo pilot is not present + 1 - Stereo pilot is present + 0x11 stblend Stereo blend in % + ============= ============== ==================================== * /sys/kernel/debug/<device-name>/rds_blckcnt This file contains statistics about RDS receptions. It's binary data has the following layout: - Offset | Name | Description - ==================================================================== - 0x00 | expected | Number of expected RDS blocks - -------------------------------------------------------------------- - 0x02 | received | Number of received RDS blocks - -------------------------------------------------------------------- - 0x04 | uncorrectable | Number of uncorrectable RDS blocks - -------------------------------------------------------------------- + ============= ============== ==================================== + Offset Name Description + ============= ============== ==================================== + 0x00 expected Number of expected RDS blocks + 0x02 received Number of received RDS blocks + 0x04 uncorrectable Number of uncorrectable RDS blocks + ============= ============== ==================================== * /sys/kernel/debug/<device-name>/agc This file contains information about parameters pertaining to AGC(Automatic Gain Control) The layout is: - Offset | Name | Description - ==================================================================== - 0x00 | mxhi | 0 - FM Mixer PD high threshold is - | | not tripped - | | 1 - FM Mixer PD high threshold is - | | tripped - -------------------------------------------------------------------- - 0x01 | mxlo | ditto for FM Mixer PD low - -------------------------------------------------------------------- - 0x02 | lnahi | ditto for FM LNA PD high - -------------------------------------------------------------------- - 0x03 | lnalo | ditto for FM LNA PD low - -------------------------------------------------------------------- - 0x04 | fmagc1 | FMAGC1 attenuator resistance - | | (see datasheet for more detail) - -------------------------------------------------------------------- - 0x05 | fmagc2 | ditto for FMAGC2 - -------------------------------------------------------------------- - 0x06 | pgagain | PGA gain in dB - -------------------------------------------------------------------- - 0x07 | fmwblang | FM/WB LNA Gain in dB - -------------------------------------------------------------------- + + ============= ============== ==================================== + Offset Name Description + ============= ============== ==================================== + 0x00 mxhi 0 - FM Mixer PD high threshold is + not tripped + 1 - FM Mixer PD high threshold is + tripped + 0x01 mxlo ditto for FM Mixer PD low + 0x02 lnahi ditto for FM LNA PD high + 0x03 lnalo ditto for FM LNA PD low + 0x04 fmagc1 FMAGC1 attenuator resistance + (see datasheet for more detail) + 0x05 fmagc2 ditto for FMAGC2 + 0x06 pgagain PGA gain in dB + 0x07 fmwblang FM/WB LNA Gain in dB + ============= ============== ==================================== * /sys/kernel/debug/<device-name>/rsq This file contains information about parameters pertaining to RSQ(Received Signal Quality) The layout is: - Offset | Name | Description - ==================================================================== - 0x00 | multhint | 0 - multipath value has not crossed - | | the Multipath high threshold - | | 1 - multipath value has crossed - | | the Multipath high threshold - -------------------------------------------------------------------- - 0x01 | multlint | ditto for Multipath low threshold - -------------------------------------------------------------------- - 0x02 | snrhint | 0 - received signal's SNR has not - | | crossed high threshold - | | 1 - received signal's SNR has - | | crossed high threshold - -------------------------------------------------------------------- - 0x03 | snrlint | ditto for low threshold - -------------------------------------------------------------------- - 0x04 | rssihint | ditto for RSSI high threshold - -------------------------------------------------------------------- - 0x05 | rssilint | ditto for RSSI low threshold - -------------------------------------------------------------------- - 0x06 | bltf | Flag indicating if seek command - | | reached/wrapped seek band limit - -------------------------------------------------------------------- - 0x07 | snr_ready | Indicates that SNR metrics is ready - -------------------------------------------------------------------- - 0x08 | rssiready | ditto for RSSI metrics - -------------------------------------------------------------------- - 0x09 | injside | 0 - Low-side injection is being used - | | 1 - High-side injection is used - -------------------------------------------------------------------- - 0x10 | afcrl | Flag indicating if AFC rails - -------------------------------------------------------------------- - 0x11 | valid | Flag indicating if channel is valid - -------------------------------------------------------------------- - 0x12 | readfreq | Current tuned frequency - -------------------------------------------------------------------- - 0x14 | freqoff | Signed frequency offset in units of - | | 2ppm - -------------------------------------------------------------------- - 0x15 | rssi | Signed value of RSSI in dBuV - -------------------------------------------------------------------- - 0x16 | snr | Signed RF SNR in dB - -------------------------------------------------------------------- - 0x17 | issi | Signed Image Strength Signal - | | indicator - -------------------------------------------------------------------- - 0x18 | lassi | Signed Low side adjacent Channel - | | Strength indicator - -------------------------------------------------------------------- - 0x19 | hassi | ditto fpr High side - -------------------------------------------------------------------- - 0x20 | mult | Multipath indicator - -------------------------------------------------------------------- - 0x21 | dev | Frequency deviation - -------------------------------------------------------------------- - 0x24 | assi | Adjacent channel SSI - -------------------------------------------------------------------- - 0x25 | usn | Ultrasonic noise indicator - -------------------------------------------------------------------- - 0x26 | pilotdev | Pilot deviation in units of 100 Hz - -------------------------------------------------------------------- - 0x27 | rdsdev | ditto for RDS - -------------------------------------------------------------------- - 0x28 | assidev | ditto for ASSI - -------------------------------------------------------------------- - 0x29 | strongdev | Frequency deviation - -------------------------------------------------------------------- - 0x30 | rdspi | RDS PI code - -------------------------------------------------------------------- + + ============= ============== ==================================== + Offset Name Description + ============= ============== ==================================== + 0x00 multhint 0 - multipath value has not crossed + the Multipath high threshold + 1 - multipath value has crossed + the Multipath high threshold + 0x01 multlint ditto for Multipath low threshold + 0x02 snrhint 0 - received signal's SNR has not + crossed high threshold + 1 - received signal's SNR has + crossed high threshold + 0x03 snrlint ditto for low threshold + 0x04 rssihint ditto for RSSI high threshold + 0x05 rssilint ditto for RSSI low threshold + 0x06 bltf Flag indicating if seek command + reached/wrapped seek band limit + 0x07 snr_ready Indicates that SNR metrics is ready + 0x08 rssiready ditto for RSSI metrics + 0x09 injside 0 - Low-side injection is being used + 1 - High-side injection is used + 0x10 afcrl Flag indicating if AFC rails + 0x11 valid Flag indicating if channel is valid + 0x12 readfreq Current tuned frequency + 0x14 freqoff Signed frequency offset in units of + 2ppm + 0x15 rssi Signed value of RSSI in dBuV + 0x16 snr Signed RF SNR in dB + 0x17 issi Signed Image Strength Signal + indicator + 0x18 lassi Signed Low side adjacent Channel + Strength indicator + 0x19 hassi ditto fpr High side + 0x20 mult Multipath indicator + 0x21 dev Frequency deviation + 0x24 assi Adjacent channel SSI + 0x25 usn Ultrasonic noise indicator + 0x26 pilotdev Pilot deviation in units of 100 Hz + 0x27 rdsdev ditto for RDS + 0x28 assidev ditto for ASSI + 0x29 strongdev Frequency deviation + 0x30 rdspi RDS PI code + ============= ============== ==================================== * /sys/kernel/debug/<device-name>/rsq_primary This file contains information about parameters pertaining to |