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[media] doc-rst: add documentation for bttv driver 

Convert it to ReST and add it to media/v4l-drivers book.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-07-18 10:30:59 -03:00
parent 2287cb47fb
commit 3f3edfd6d5
2 changed files with 96 additions and 61 deletions
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156
Documentation/media/v4l-drivers/bttv.rst
View File

@ -1,11 +1,13 @@
The bttv driver
===============
Release notes for bttv
----------------------
You'll need at least these config options for bttv:
.. code-block:: none
CONFIG_I2C=m
CONFIG_I2C_ALGOBIT=m
CONFIG_VIDEO_DEV=m
@ -26,6 +28,9 @@ cards is in CARDLIST.bttv
If bttv takes very long to load (happens sometimes with the cheap
cards which have no tuner), try adding this to your modules.conf:
.. code-block:: none
options i2c-algo-bit bit_test=1
For the WinTV/PVR you need one firmware file from the driver CD:
@ -44,10 +49,12 @@ Autodetecting cards
bttv uses the PCI Subsystem ID to autodetect the card type. lspci lists
the Subsystem ID in the second line, looks like this:
00:0a.0 Multimedia video controller: Brooktree Corporation Bt878 (rev 02)
Subsystem: Hauppauge computer works Inc. WinTV/GO
Flags: bus master, medium devsel, latency 32, IRQ 5
Memory at e2000000 (32-bit, prefetchable) [size=4K]
.. code-block:: none
00:0a.0 Multimedia video controller: Brooktree Corporation Bt878 (rev 02)
Subsystem: Hauppauge computer works Inc. WinTV/GO
Flags: bus master, medium devsel, latency 32, IRQ 5
Memory at e2000000 (32-bit, prefetchable) [size=4K]
only bt878-based cards can have a subsystem ID (which does not mean
that every card really has one). bt848 cards can't have a Subsystem
@ -66,7 +73,7 @@ If you have some knowledge and spare time, please try to fix this
yourself (patches very welcome of course...) You know: The linux
slogan is "Do it yourself".
There is a mailing list: linux-media@vger.kernel.org
There is a mailing list at
http://vger.kernel.org/vger-lists.html#linux-media
If you have trouble with some specific TV card, try to ask there
@ -91,7 +98,7 @@ This list tends to be outdated because it is updated manually ...
bttv.o
::
.. code-block:: none
the bt848/878 (grabber chip) driver
@ -159,7 +166,7 @@ bttv.o
tuner.o
::
.. code-block:: none
The tuner driver. You need this unless you want to use only
with a camera or external tuner ...
@ -173,7 +180,7 @@ tuner.o
tvaudio.o
::
.. code-block:: none
new, experimental module which is supported to provide a single
driver for all simple i2c audio control chips (tda/tea*).
@ -224,8 +231,7 @@ tvaudio.o
msp3400.o
::
.. code-block:: none
The driver for the msp34xx sound processor chips. If you have a
stereo card, you probably want to insmod this one.
@ -246,7 +252,7 @@ msp3400.o
tea6300.o - OBSOLETE (use tvaudio instead)
::
.. code-block:: none
The driver for the tea6300 fader chip. If you have a stereo
card and the msp3400.o doesn't work, you might want to try this
@ -258,7 +264,7 @@ tea6300.o - OBSOLETE (use tvaudio instead)
tda8425.o - OBSOLETE (use tvaudio instead)
::
.. code-block:: none
The driver for the tda8425 fader chip. This driver used to be
part of bttv.c, so if your sound used to work but does not
@ -269,7 +275,7 @@ tda8425.o - OBSOLETE (use tvaudio instead)
tda985x.o - OBSOLETE (use tvaudio instead)
::
.. code-block:: none
The driver for the tda9850/55 audio chips.
@ -444,6 +450,8 @@ Sound will work only, if the correct entry is used (for video it often
makes no difference). The bttv driver prints a line to the kernel
log, telling which card type is used. Like this one:
.. code-block:: none
bttv0: model: BT848(Hauppauge old) [autodetected]
You should verify this is correct. If it isn't, you have to pass the
@ -489,19 +497,21 @@ As mentioned above, there is a array which holds the required
information for each known board. You basically have to create a new
line for your board. The important fields are these two:
struct tvcard
{
[ ... ]
u32 gpiomask;
u32 audiomux[6]; /* Tuner, Radio, external, internal, mute, stereo */
};
.. code-block:: c
struct tvcard
{
[ ... ]
u32 gpiomask;
u32 audiomux[6]; /* Tuner, Radio, external, internal, mute, stereo */
};
gpiomask specifies which pins are used to control the audio mux chip.
The corresponding bits in the output enable register
(BT848_GPIO_OUT_EN) will be set as these pins must be driven by the
bt848 chip.
The audiomux[] array holds the data values for the different inputs
The audiomux\[\] array holds the data values for the different inputs
(i.e. which pins must be high/low for tuner/mute/...). This will be
written to the data register (BT848_GPIO_DATA) to switch the audio
mux.
@ -512,11 +522,11 @@ the audiomux array. If you have Windows and the drivers four your
card installed, you might to check out if you can read these registers
values used by the windows driver. A tool to do this is available
from ftp://telepresence.dmem.strath.ac.uk/pub/bt848/winutil, but it
does'nt work with bt878 boards according to some reports I received.
doesn't work with bt878 boards according to some reports I received.
Another one with bt878 support is available from
http://btwincap.sourceforge.net/Files/btspy2.00.zip
You might also dig around in the *.ini files of the Windows applications.
You might also dig around in the \*.ini files of the Windows applications.
You can have a look at the board to see which of the gpio pins are
connected at all and then start trial-and-error ...
@ -524,22 +534,26 @@ connected at all and then start trial-and-error ...
Starting with release 0.7.41 bttv has a number of insmod options to
make the gpio debugging easier:
bttv_gpio=0/1 enable/disable gpio debug messages
gpiomask=n set the gpiomask value
audiomux=i,j,... set the values of the audiomux array
audioall=a set the values of the audiomux array (one
value for all array elements, useful to check
out which effect the particular value has).
.. code-block:: none
bttv_gpio=0/1 enable/disable gpio debug messages
gpiomask=n set the gpiomask value
audiomux=i,j,... set the values of the audiomux array
audioall=a set the values of the audiomux array (one
value for all array elements, useful to check
out which effect the particular value has).
The messages printed with bttv_gpio=1 look like this:
.. code-block:: none
bttv0: gpio: en=00000027, out=00000024 in=00ffffd8 [audio: off]
en = output _en_able register (BT848_GPIO_OUT_EN)
out = _out_put bits of the data register (BT848_GPIO_DATA),
i.e. BT848_GPIO_DATA & BT848_GPIO_OUT_EN
in = _in_put bits of the data register,
i.e. BT848_GPIO_DATA & ~BT848_GPIO_OUT_EN
en = output _en_able register (BT848_GPIO_OUT_EN)
out = _out_put bits of the data register (BT848_GPIO_DATA),
i.e. BT848_GPIO_DATA & BT848_GPIO_OUT_EN
in = _in_put bits of the data register,
i.e. BT848_GPIO_DATA & ~BT848_GPIO_OUT_EN
@ -549,19 +563,21 @@ Other elements of the tvcards array
If you are trying to make a new card work you might find it useful to
know what the other elements in the tvcards array are good for:
video_inputs - # of video inputs the card has
audio_inputs - historical cruft, not used any more.
tuner - which input is the tuner
svhs - which input is svhs (all others are labeled composite)
muxsel - video mux, input->registervalue mapping
pll - same as pll= insmod option
tuner_type - same as tuner= insmod option
*_modulename - hint whenever some card needs this or that audio
module loaded to work properly.
has_radio - whenever this TV card has a radio tuner.
no_msp34xx - "1" disables loading of msp3400.o module
no_tda9875 - "1" disables loading of tda9875.o module
needs_tvaudio - set to "1" to load tvaudio.o module
.. code-block:: none
video_inputs - # of video inputs the card has
audio_inputs - historical cruft, not used any more.
tuner - which input is the tuner
svhs - which input is svhs (all others are labeled composite)
muxsel - video mux, input->registervalue mapping
pll - same as pll= insmod option
tuner_type - same as tuner= insmod option
*_modulename - hint whenever some card needs this or that audio
module loaded to work properly.
has_radio - whenever this TV card has a radio tuner.
no_msp34xx - "1" disables loading of msp3400.o module
no_tda9875 - "1" disables loading of tda9875.o module
needs_tvaudio - set to "1" to load tvaudio.o module
If some config item is specified both from the tvcards array and as
insmod option, the insmod option takes precedence.
@ -740,10 +756,12 @@ Identifying:
- LR137 = Flyvideo DV2000/DV3000 (SAA7130/SAA7134 + IEEE1394)
- LR138 Rev.C= Flyvideo 2000 (SAA7130)
- LR138 Flyvideo 3000 (SAA7134) w/Stereo TV
- These exist in variations w/FM and w/Remote sometimes denoted
by suffixes "FM" and "R".
#) You have a laptop (miniPCI card):
- Product = FlyTV Platinum Mini
- Model/Chip = LR212/saa7135
@ -911,14 +929,14 @@ is wrong. If it doesn't work, send me email.
- No Thanks to Leadtek they refused to answer any questions about their
hardware. The driver was written by visual inspection of the card. If you
use this driver, send an email insult to them, and tell them you won't
continue buying their hardware unless they support Linux.
hardware. The driver was written by visual inspection of the card. If you
use this driver, send an email insult to them, and tell them you won't
continue buying their hardware unless they support Linux.
- Little thanks to Princeton Technology Corp (http://www.princeton.com.tw)
who make the audio attenuator. Their publicly available data-sheet available
on their web site doesn't include the chip programming information! Hidden
on their server are the full data-sheets, but don't ask how I found it.
who make the audio attenuator. Their publicly available data-sheet available
on their web site doesn't include the chip programming information! Hidden
on their server are the full data-sheets, but don't ask how I found it.
To use the driver I use the following options, the tuner and pll settings might
be different in your country
@ -953,7 +971,7 @@ Provideo
MediaForte TV-Vision PV951,
Yoko PV951,
Vivanco Tuner Card PCI Art.-Nr.: 68404,
) now named PV-951T
) now named PV-951T
- Surveillance Series:
@ -1009,7 +1027,7 @@ AVerMedia
PCB PCI-ID Model-Name Eeprom Tuner Sound Country
======== =========== =============== ======= ====== ======== =======================
M101.C ISA !
M108-B Bt848 -- FR1236 US [#f2]_,[#f3]_
M108-B Bt848 -- FR1236 US [#f2]_, [#f3]_
M1A8-A Bt848 AVer TV-Phone FM1216 --
M168-T 1461:0003 AVerTV Studio 48:17 FM1216 TDA9840T D [#f1]_ w/FM w/Remote
M168-U 1461:0004 TVCapture98 40:11 FI1216 -- D w/Remote
@ -1060,7 +1078,7 @@ Models:
- Video Highway Xtreme (aka "VHX") (Bt848, FM w/ TEA5757)
IXMicro (former: IMS=Integrated Micro Solutions)
~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Models:
@ -1138,8 +1156,10 @@ Models:
- MTV878
Package comes with different contents:
a) pcb "MTV878" (CARD=75)
b) Pixelview Rev. 4_
b) Pixelview Rev. 4\_
- MTV878R w/Remote Control
- MTV878F w/Remote Control w/FM radio
@ -1311,13 +1331,16 @@ Models:
- TT-DVB-Sat
- revisions 1.1, 1.3, 1.5, 1.6 and 2.1
- This card is sold as OEM from:
- Siemens DVB-s Card
- Hauppauge WinTV DVB-S
- Technisat SkyStar 1 DVB
- Galaxis DVB Sat
- Now this card is called TT-PCline Premium Family
- TT-Budget (saa7146, bsru6-701a)
This card is sold as OEM from:
This card is sold as OEM from:
- Hauppauge WinTV Nova
- Satelco Standard PCI (DVB-S)
- TT-DVB-C PCI
@ -1566,7 +1589,7 @@ AVEC Intercapture (bt848, tea6320)
NoBrand
~~~~~~~
TV Excel = Australian Name for "PV-BT878P+ 8E" or "878TV Rev.3_"
TV Excel = Australian Name for "PV-BT878P+ 8E" or "878TV Rev.3\_"
Mach www.machspeed.com
~~~~~~~~~~~~~~~~~~~~~~
@ -1621,9 +1644,11 @@ Models:
- TV Tuner - HBY-33A-RAFFLES Brooktree Bt848KPF + Philips
- TV Tuner MG9910 - HBY33A-TVO CEI + Philips SAA7110 + OKI M548262 + ST STV8438CV
- Primetime TV (ISA)
- acquired by Singapore Technologies
- now operating as Chartered Semiconductor Manufacturing
- Manufacturer of video cards is listed as:
- Cogent Electronics Industries [CEI]
AITech
@ -1646,7 +1671,8 @@ www.ids-imaging.de
Models:
- Falcon Series (capture only)
In USA: http://www.theimagingsource.com/
In USA: http://www.theimagingsource.com/
- DFG/LC1
www.sknet-web.co.jp
@ -1681,10 +1707,12 @@ Models:
- DST Card/DST-IP (bt878, twinhan asic) VP-1020
- Sold as:
- KWorld DVBS Satellite TV-Card
- Powercolor DSTV Satellite Tuner Card
- Prolink Pixelview DTV2000
- Provideo PV-911 Digital Satellite TV Tuner Card With Common Interface ?
- DST-CI Card (DVB Satellite) VP-1030
- DCT Card (DVB cable)
@ -1756,7 +1784,7 @@ Arowana
TV-Karte / Poso Power TV (?) = Zoltrix VP-8482 (?)
iTVC15 boards:
iTVC15 boards
~~~~~~~~~~~~~
kuroutoshikou.com ITVC15
@ -1796,8 +1824,10 @@ Chips used at bttv devices
- Hauppauge Win/TV pci (version 405):
- Microchip 24LC02B or Philips 8582E2Y:
- 256 Byte EEPROM with configuration information
- I2C 0xa0-0xa1, (24LC02B also responds to 0xa2-0xaf)
- Philips SAA5246AGP/E: Videotext decoder chip, I2C 0x22-0x23
- TDA9800: sound decoder
@ -1827,8 +1857,11 @@ Chips used at bttv devices
Specs
-----
Philips http://www.Semiconductors.COM/pip/
Conexant http://www.conexant.com/
Micronas http://www.micronas.com/en/home/index.html
Thanks
@ -1873,6 +1906,7 @@ Gerd Hoffmann
Radio card (ITT sound processor)
bigfoot <bigfoot@net-way.net>
Ragnar Hojland Espinosa <ragnar@macula.net>
ConferenceTV card

1
Documentation/media/v4l-drivers/index.rst
View File

@ -22,6 +22,7 @@ License".
fourcc
v4l-with-ir
cardlist
bttv
cafe_ccic
cpia2
cx18