tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only
2config SND_MPU401_UART
3 tristate
4 select SND_RAWMIDI
5
6config SND_OPL3_LIB
7 tristate
8 select SND_TIMER
9 select SND_HWDEP
10 select SND_SEQ_DEVICE if SND_SEQUENCER != n
11
12config SND_OPL4_LIB
13 tristate
14 select SND_TIMER
15 select SND_HWDEP
16 select SND_SEQ_DEVICE if SND_SEQUENCER != n
17
18# select SEQ stuff to min(SND_SEQUENCER,SND_XXX)
19config SND_OPL3_LIB_SEQ
20 def_tristate SND_SEQUENCER && SND_OPL3_LIB
21 select SND_SEQ_MIDI_EMUL
22 select SND_SEQ_MIDI_EVENT
23
24config SND_OPL4_LIB_SEQ
25 def_tristate SND_SEQUENCER && SND_OPL4_LIB
26 select SND_SEQ_MIDI_EMUL
27 select SND_SEQ_MIDI_EVENT
28
29config SND_VX_LIB
30 tristate
31 select FW_LOADER
32 select SND_HWDEP
33 select SND_PCM
34
35config SND_AC97_CODEC
36 tristate
37 select SND_PCM
38 select AC97_BUS
39 select SND_VMASTER
40
41menuconfig SND_DRIVERS
42 bool "Generic sound devices"
43 default y
44 help
45 Support for generic sound devices.
46
47if SND_DRIVERS
48
49config SND_PCSP
50 tristate "PC-Speaker support (READ HELP!)"
51 depends on PCSPKR_PLATFORM && X86 && HIGH_RES_TIMERS
52 depends on INPUT
53 select SND_PCM
54 help
55 If you don't have a sound card in your computer, you can include a
56 driver for the PC speaker which allows it to act like a primitive
57 sound card.
58 This driver also replaces the pcspkr driver for beeps.
59
60 You can compile this as a module which will be called snd-pcsp.
61
62 WARNING: if you already have a soundcard, enabling this
63 driver may lead to a problem. Namely, it may get loaded
64 before the other sound driver of yours, making the
65 pc-speaker a default sound device. Which is likely not
66 what you want. To make this driver play nicely with other
67 sound driver, you can add this in a configuration file under
68 /etc/modprobe.d/ directory:
69 options snd-pcsp index=2
70
71 You don't need this driver if you only want your pc-speaker to beep.
72 You don't need this driver if you have a tablet piezo beeper
73 in your PC instead of the real speaker.
74
75 Say N if you have a sound card.
76 Say M if you don't.
77 Say Y only if you really know what you do.
78
79config SND_DUMMY
80 tristate "Dummy (/dev/null) soundcard"
81 select SND_PCM
82 help
83 Say Y here to include the dummy driver. This driver does
84 nothing, but emulates various mixer controls and PCM devices.
85
86 You don't need this unless you're testing the hardware support
87 of programs using the ALSA API.
88
89 To compile this driver as a module, choose M here: the module
90 will be called snd-dummy.
91
92config SND_ALOOP
93 tristate "Generic loopback driver (PCM)"
94 select SND_PCM
95 select SND_TIMER
96 help
97 Say 'Y' or 'M' to include support for the PCM loopback device.
98 This module returns played samples back to the user space using
99 the standard ALSA PCM device. The devices are routed 0->1 and
100 1->0, where first number is the playback PCM device and second
101 number is the capture device. Module creates two PCM devices and
102 configured number of substreams (see the pcm_substreams module
103 parameter).
104
105 The loopback device allows time sychronization with an external
106 timing source using the time shift universal control (+-20%
107 of system time).
108
109 To compile this driver as a module, choose M here: the module
110 will be called snd-aloop.
111
112config SND_VIRMIDI
113 tristate "Virtual MIDI soundcard"
114 depends on SND_SEQUENCER
115 select SND_TIMER
116 select SND_RAWMIDI
117 select SND_SEQ_VIRMIDI
118 select SND_SEQ_MIDI_EVENT
119 help
120 Say Y here to include the virtual MIDI driver. This driver
121 allows to connect applications using raw MIDI devices to
122 sequencer clients.
123
124 If you don't know what MIDI is, say N here.
125
126 To compile this driver as a module, choose M here: the module
127 will be called snd-virmidi.
128
129config SND_MTPAV
130 tristate "MOTU MidiTimePiece AV multiport MIDI"
131 select SND_RAWMIDI
132 help
133 To use a MOTU MidiTimePiece AV multiport MIDI adapter
134 connected to the parallel port, say Y here and make sure that
135 the standard parallel port driver isn't used for the port.
136
137 To compile this driver as a module, choose M here: the module
138 will be called snd-mtpav.
139
140config SND_MTS64
141 tristate "ESI Miditerminal 4140 driver"
142 depends on PARPORT
143 select SND_RAWMIDI
144 help
145 The ESI Miditerminal 4140 is a 4 In 4 Out MIDI Interface with
146 additional SMPTE Timecode capabilities for the parallel port.
147
148 Say 'Y' to include support for this device.
149
150 To compile this driver as a module, chose 'M' here: the module
151 will be called snd-mts64.
152
153config SND_SERIAL_U16550
154 tristate "UART16550 serial MIDI driver"
155 select SND_RAWMIDI
156 help
157 To include support for MIDI serial port interfaces, say Y here
158 and read <file:Documentation/sound/cards/serial-u16550.rst>.
159 This driver works with serial UARTs 16550 and better.
160
161 This driver accesses the serial port hardware directly, so
162 make sure that the standard serial driver isn't used or
163 deactivated with setserial before loading this driver.
164
165 To compile this driver as a module, choose M here: the module
166 will be called snd-serial-u16550.
167
168config SND_MPU401
169 tristate "Generic MPU-401 UART driver"
170 select SND_MPU401_UART
171 help
172 Say Y here to include support for MIDI ports compatible with
173 the Roland MPU-401 interface in UART mode.
174
175 To compile this driver as a module, choose M here: the module
176 will be called snd-mpu401.
177
178config SND_PORTMAN2X4
179 tristate "Portman 2x4 driver"
180 depends on PARPORT
181 select SND_RAWMIDI
182 help
183 Say Y here to include support for Midiman Portman 2x4 parallel
184 port MIDI device.
185
186 To compile this driver as a module, choose M here: the module
187 will be called snd-portman2x4.
188
189config SND_ML403_AC97CR
190 tristate "Xilinx ML403 AC97 Controller Reference"
191 depends on XILINX_VIRTEX
192 select SND_AC97_CODEC
193 help
194 Say Y here to include support for the
195 opb_ac97_controller_ref_v1_00_a ip core found in Xilinx's ML403
196 reference design.
197
198 To compile this driver as a module, choose M here: the module
199 will be called snd-ml403_ac97cr.
200
201config SND_AC97_POWER_SAVE
202 bool "AC97 Power-Saving Mode"
203 depends on SND_AC97_CODEC
204 default n
205 help
206 Say Y here to enable the aggressive power-saving support of
207 AC97 codecs. In this mode, the power-mode is dynamically
208 controlled at each open/close.
209
210 The mode is activated by passing 'power_save=X' to the
211 snd-ac97-codec driver module, where 'X' is the time-out
212 value, a nonnegative integer that specifies how many
213 seconds of idle time the driver must count before it may
214 put the AC97 into power-save mode; a value of 0 (zero)
215 disables the use of this power-save mode.
216
217 After the snd-ac97-codec driver module has been loaded,
218 the 'power_save' parameter can be set via sysfs as follows:
219
220 echo 10 > /sys/module/snd_ac97_codec/parameters/power_save
221
222 In this case, the time-out is set to 10 seconds; setting
223 the time-out to 1 second (the minimum activation value)
224 isn't recommended because many applications try to reopen
225 the device frequently. A value of 10 seconds would be a
226 good choice for normal operations.
227
228 See Documentation/sound/designs/powersave.rst for more details.
229
230config SND_AC97_POWER_SAVE_DEFAULT
231 int "Default time-out for AC97 power-save mode"
232 depends on SND_AC97_POWER_SAVE
233 default 0
234 help
235 The default time-out value in seconds for AC97 automatic
236 power-save mode. 0 means to disable the power-save mode.
237
238 See SND_AC97_POWER_SAVE for more details.
239
240endif # SND_DRIVERS