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-rw-r--r--Documentation/media/v4l-drivers/si476x.rst229
1 files changed, 94 insertions, 135 deletions
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
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 20:34:44 +0100