Annotation of dvb-kernel/README, revision 1.25
1.23 hunold 1: linuxtv-dvb
2: ===========
1.17 js 3:
1.24 hunold 4: Digital Video Broadcast drivers for Linux 2.6.x *only*.
1.17 js 5:
6: Note: Unlike in previous releases, the test/utility programs have
7: been unbundled and are released seperately as linuxtv-dvb-apps-1.1.0.
8:
1.23 hunold 9: The DVB drivers are already included in Linux 2.6.x, so you usually
10: don't need this package. What you will need, hwoever, is firmware.
11: see below.
1.17 js 12:
1.24 hunold 13: "What happened to the 2.4 tree?"
14: --------------------------------
15:
16: See http://linuxtv.org/news/js/branch24.xml
17:
18: Maintaining the DVB driver for both Linux 2.4 and 2.6 in the same CVS
19: tree became too problematic. E.g. it is not possible to create DVB
20: driver patches for the mainline kernel directly from CVS without doing
21: a lot of work by hand. We also need to do some structural changes which
22: are not easy to do when we always have to keep 2.4 backwards
23: compatibility.
24:
25: Consequently, we've created a "linux_2_4" branch in dvb-kernel CVS for
26: the driver version for Linux 2.4.
27:
28: Main development in CVS HEAD will be for Linux 2.6 only, and all 2.4
29: compatibility stuff has been removed from HEAD.
30:
31: It largely depends on public interest and your help (hint, hint) for
32: improvements from HEAD to be backported to 2.4. If you want to checkout
33: the 2.4 drivers use the following command:
34:
35: cvs -d :pserver:anonymous@linuxtv.org:/cvs/linuxtv co -P -rlinux_2_4
36: dvb-kernel
37:
38: You can also select the linux_2_4 branch when viewing files in the CVS
39: web interface http://linuxtv.org/cgi-bin/cvsweb.cgi/dvb-kernel/ .
40:
1.17 js 41: Quick start:
42: ------------
43:
44: 1. Get firmware:
1.18 js 45:
1.17 js 46: Some DVB cards need firmware to operate. Due to licensing problems
47: we won't distribute the firmware binaries with the driver source,
48: you must get them seperately. See below for details about where
49: to get and where to put.
1.18 js 50:
1.25 ! js 51: See also linux/Documentation/dvb/firmware.txt and
1.18 js 52: linux/Documentation/firmware_class/README.
53:
1.23 hunold 54: 2. cd build-2.6
1.17 js 55:
56: 3. make
57:
58: 4. ./insmod.sh load
59:
1.19 js 60: Note: Some of the drivers will refuse to load and spit out
61: error messages if they cannot find their hardware. You can
62: ignore them, or edit insmod.sh and comment out drivers that
63: you don't need.
64:
65: You will have to load at least two drivers:
66: - one for the main DVB card / device
67: - one for the frontend (i.e. tuner + demodulator)
68:
1.17 js 69:
70: Detailed instructions for building:
71: -----------------------------------
1.1 hunold 72:
1.10 holger 73: If you encounter any problems while executing the follwing steps please read
74: the TROUBLESHOOTING file.
1.8 holger 75:
1.10 holger 76: Simply type 'make' to build the driver. The compiled modules will be located
1.23 hunold 77: in directory ./build-2.6/, depening on the kernel version you
1.8 holger 78: are running. There you will also find scripts to load and unload the modules.
79:
1.15 hunold 80: For some cards or frontends you need to download additional firmware
1.25 ! js 81: binaries. You need to compile your kernel with CONFIG_FW_LOADER and
! 82: have reasonably new hostplug scripts installed (see if '/sbin/hotplug --help'
! 83: includes "firmware" in the list of available agents).
1.15 hunold 84:
85: - dvb-ttpci: http://www.linuxtv.org/download/dvb/
1.25 ! js 86: => wget http://www.linuxtv.org/download/dvb/firmware/dvb-ttpci-01.fw-261c
! 87: mv dvb-ttpci-01.fw-261c /usr/lib/hotplug/firmware/dvb-ttpci-01.fw
1.15 hunold 88:
89: - alps_tdlb7:
90: This driver needs a copy of the firmware file 'Sc_main.mc' from the
91: Haupauge windows driver in the '/usr/lib/hotplug/firmware' directory.
92: Alternatively, you can also pass the complete filename with the module
93: parameter 'firmware_file'.
94:
95: - tda1004x:
96: This driver needs a copy of the DLL "ttlcdacc.dll" from the Haupauge or
97: Technotrend windows driver saved as
1.21 quincy 98: '/usr/lib/hotplug/firmware/tda1004x.bin'. You can also pass the complete
1.15 hunold 99: file name with the module parameter 'tda1004x_firmware'.
1.21 quincy 100: Currently the DLL from v2.15a, or 2.16a of the technotrend PCI driver is supported.
101: Please note, even if you're using a USB device, you _must_ get the
102: file from the TechnoTrend PCI driver.
1.15 hunold 103: Windows driver URL: http://www.technotrend.de/
104:
105: - ttusb-dec:
106: see "ttusb-dec.txt" in linux/Documentation for details
107:
108: If something is missing, you get notified in the build process or when
109: loading the modules.
1.8 holger 110:
1.16 hunold 111: Just in case you are wondering: the "alps_bsrv2" driver is gone, please use
112: the new "ves1x93" driver instead.
113:
1.23 hunold 114: In ./build-2.6/ you find the insmod script.
1.10 holger 115:
1.9 holger 116: Use './insmod.sh load' to load the driver modules, './insmod.sh unload' to
117: remove them. './insmod debug' loads the drivers with debugging enabled.
1.13 holger 118: These scripts load all drivers for all cards but the ones based on the bt8xx.
119: For bt8xx based cards please use the insmod-bt8xx.sh script instead.
1.10 holger 120:
1.12 holger 121: Now check the klog and syslog (in doubt type 'dmesg') for error messages.
1.9 holger 122:
1.8 holger 123: When you reached this point successfully you probably want to start some
124: test applications, download the linuxtv-dvb-apps-1.1.tar.gz package, unpack
125: it and compile it. This package contains some tools to test and debug the
126: driver:
127:
1.9 holger 128: linuxtv-dvb-apps-1.1/apps/szap/ contains three simple applications called
129: szap, czap and tzap for zapping with DVB-S, DVB-C or DVB-T cards.
130: Read linuxtv-dvb-apps-1.1/apps/szap/ README for usage instructions.
1.8 holger 131:
132: Note 1: tuning succeeded if you see the FE_HAS_LOCK flag and "status 1f"; a
133: good signal has a low bit error rate (ber) and zero uncorrectable packets (unc).
134:
135: Note 2: you must keep ?zap running, or the frontend will go to sleep (unless
136: you load dvb-core.o with dvb_shutdown_timeout=0)
137:
138: If your card has a hardware MPEG decoder you can watch TV with xawtv (together
139: with e.g. szap for DVB tuning); Note: xawtv cannot control the DVB tuner, you
140: must use ?zap
141:
142: For cards without hardware MPEG decoder you need a software MPEG decoder,
143: e.g. mplayer or xine (you need *very* recent versions which understand MPEG2
144: transport streams; xine v0.9.21 and mplayer dev-CVS-030723-16:39-3.3.1 seem to
145: work); Note: You must run ?zap with the -r flag to enable stream output to the
146: dvr device, and keep it running while watching tv.
147:
148: Examples:
149: mplayer - < /dev/dvb/adapter0/dvr0
150: xine stdin://mpeg2 < /dev/dvb/adapter0/dvr0
151:
152: Note: Newest mplayer and xine versions are reported to have builtin DVB support
1.9 holger 153: (see ./linux/Documentation/dvb/faq.txt for more info).
1.8 holger 154:
155: For 'real' everyday use you probably don't want to use these test applications
1.9 holger 156: but install a program like VDR or MythTV.
157: (Read ./linux/Documentation/dvb/faq.txt for some links)
1.8 holger 158:
1.10 holger 159: When everything is working you probably want to install the driver on your
160: system by typing 'make install'. If you want to load the modules automatically
161: when an application tries to open the device you need to add lines like these
162: to your modules.conf:
163:
164: probeall /dev/dvb dvb-ttpci
165: alias /dev/dvb/* /dev/dvb
166: below dvb-ttpci alps_bsrv2 alps_tdmb7 alps_tdlb7
167: add below dvb-ttpci grundig_29504-401 grundig_29504-491
168: add below dvb-ttpci stv0299 ves1820
169:
170: Note: this example is for people with Technotrend-based PCI cards, they must
171: load the dvb-ttpci driver and a matching frontend drivers that are potentially
172: used on these cards. In order to find out which ones are required for your
173: setup check the lsmod output after loading the driver like described above.
174: Those DVB modules that have a usecount greater zero are required in your
175: setup - edit the modules.conf file appropriatly]
176:
177: Debian users don't edit modules.conf manually but add the lines above to a new
178: file in /etc/modutils/ (e.g. /etc/modutils/dvb) and call 'update-modules' then.
179:
1.8 holger 180: --------------------------------------------------------------------------------
181:
182: If you want to build a not-standalone driver but want to patch your 2.6 kernel
183: source tree with this driver please read README-2.6.
184:
185: More documentation is located in ./linux/Documentation/dvb/.
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