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Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
86 lines
3.3 KiB
Text
86 lines
3.3 KiB
Text
Analog Joystick Support on ALSA Drivers
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=======================================
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Oct. 14, 2003
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Takashi Iwai <tiwai@suse.de>
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General
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-------
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First of all, you need to enable GAMEPORT support on Linux kernel for
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using a joystick with the ALSA driver. For the details of gameport
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support, refer to Documentation/input/joystick.txt.
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The joystick support of ALSA drivers is different between ISA and PCI
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cards. In the case of ISA (PnP) cards, it's usually handled by the
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independent module (ns558). Meanwhile, the ALSA PCI drivers have the
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built-in gameport support. Hence, when the ALSA PCI driver is built
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in the kernel, CONFIG_GAMEPORT must be 'y', too. Otherwise, the
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gameport support on that card will be (silently) disabled.
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Some adapter modules probe the physical connection of the device at
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the load time. It'd be safer to plug in the joystick device before
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loading the module.
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PCI Cards
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---------
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For PCI cards, the joystick is enabled when the appropriate module
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option is specified. Some drivers don't need options, and the
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joystick support is always enabled. In the former ALSA version, there
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was a dynamic control API for the joystick activation. It was
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changed, however, to the static module options because of the system
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stability and the resource management.
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The following PCI drivers support the joystick natively.
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Driver Module Option Available Values
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---------------------------------------------------------------------------
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als4000 joystick_port 0 = disable (default), 1 = auto-detect,
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manual: any address (e.g. 0x200)
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au88x0 N/A N/A
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azf3328 joystick 0 = disable, 1 = enable, -1 = auto (default)
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ens1370 joystick 0 = disable (default), 1 = enable
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ens1371 joystick_port 0 = disable (default), 1 = auto-detect,
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manual: 0x200, 0x208, 0x210, 0x218
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cmipci joystick_port 0 = disable (default), 1 = auto-detect,
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manual: any address (e.g. 0x200)
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cs4281 N/A N/A
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cs46xx N/A N/A
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es1938 N/A N/A
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es1968 joystick 0 = disable (default), 1 = enable
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sonicvibes N/A N/A
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trident N/A N/A
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via82xx(*1) joystick 0 = disable (default), 1 = enable
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ymfpci joystick_port 0 = disable (default), 1 = auto-detect,
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manual: 0x201, 0x202, 0x204, 0x205(*2)
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---------------------------------------------------------------------------
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*1) VIA686A/B only
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*2) With YMF744/754 chips, the port address can be chosen arbitrarily
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The following drivers don't support gameport natively, but there are
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additional modules. Load the corresponding module to add the gameport
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support.
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Driver Additional Module
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-----------------------------
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emu10k1 emu10k1-gp
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fm801 fm801-gp
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-----------------------------
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Note: the "pcigame" and "cs461x" modules are for the OSS drivers only.
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These ALSA drivers (cs46xx, trident and au88x0) have the
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built-in gameport support.
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As mentioned above, ALSA PCI drivers have the built-in gameport
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support, so you don't have to load ns558 module. Just load "joydev"
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and the appropriate adapter module (e.g. "analog").
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ISA Cards
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---------
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ALSA ISA drivers don't have the built-in gameport support.
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Instead, you need to load "ns558" module in addition to "joydev" and
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the adapter module (e.g. "analog").
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