1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 config SND_MPU401_UART 2 config SND_MPU401_UART
3 tristate !! 3 tristate
4 select SND_RAWMIDI !! 4 select SND_RAWMIDI
5 5
6 config SND_OPL3_LIB 6 config SND_OPL3_LIB
7 tristate 7 tristate
8 select SND_TIMER 8 select SND_TIMER
9 select SND_HWDEP 9 select SND_HWDEP
10 select SND_SEQ_DEVICE if SND_SEQUENCER 10 select SND_SEQ_DEVICE if SND_SEQUENCER != n
11 11
12 config SND_OPL4_LIB 12 config SND_OPL4_LIB
13 tristate 13 tristate
14 select SND_TIMER 14 select SND_TIMER
15 select SND_HWDEP 15 select SND_HWDEP
16 select SND_SEQ_DEVICE if SND_SEQUENCER 16 select SND_SEQ_DEVICE if SND_SEQUENCER != n
17 17
18 # select SEQ stuff to min(SND_SEQUENCER,SND_XX 18 # select SEQ stuff to min(SND_SEQUENCER,SND_XXX)
19 config SND_OPL3_LIB_SEQ 19 config SND_OPL3_LIB_SEQ
20 def_tristate SND_SEQUENCER && SND_OPL3 20 def_tristate SND_SEQUENCER && SND_OPL3_LIB
21 select SND_SEQ_MIDI_EMUL 21 select SND_SEQ_MIDI_EMUL
22 select SND_SEQ_MIDI_EVENT 22 select SND_SEQ_MIDI_EVENT
23 23
24 config SND_OPL4_LIB_SEQ 24 config SND_OPL4_LIB_SEQ
25 def_tristate SND_SEQUENCER && SND_OPL4 25 def_tristate SND_SEQUENCER && SND_OPL4_LIB
26 select SND_SEQ_MIDI_EMUL 26 select SND_SEQ_MIDI_EMUL
27 select SND_SEQ_MIDI_EVENT 27 select SND_SEQ_MIDI_EVENT
28 28
29 config SND_VX_LIB 29 config SND_VX_LIB
30 tristate 30 tristate
31 select FW_LOADER 31 select FW_LOADER
32 select SND_HWDEP 32 select SND_HWDEP
33 select SND_PCM 33 select SND_PCM
34 34
35 config SND_AC97_CODEC 35 config SND_AC97_CODEC
36 tristate 36 tristate
37 select SND_PCM 37 select SND_PCM
38 select AC97_BUS 38 select AC97_BUS
39 select SND_VMASTER 39 select SND_VMASTER
40 40
41 menuconfig SND_DRIVERS 41 menuconfig SND_DRIVERS
42 bool "Generic sound devices" 42 bool "Generic sound devices"
43 default y 43 default y
44 help 44 help
45 Support for generic sound devices. 45 Support for generic sound devices.
46 46
47 if SND_DRIVERS 47 if SND_DRIVERS
48 48
49 config SND_PCSP 49 config SND_PCSP
50 tristate "PC-Speaker support (READ HEL 50 tristate "PC-Speaker support (READ HELP!)"
51 depends on PCSPKR_PLATFORM && X86 && H 51 depends on PCSPKR_PLATFORM && X86 && HIGH_RES_TIMERS
52 depends on INPUT 52 depends on INPUT
53 select SND_PCM 53 select SND_PCM
54 help 54 help
55 If you don't have a sound card in yo 55 If you don't have a sound card in your computer, you can include a
56 driver for the PC speaker which allo 56 driver for the PC speaker which allows it to act like a primitive
57 sound card. 57 sound card.
58 This driver also replaces the pcspkr 58 This driver also replaces the pcspkr driver for beeps.
59 59
60 You can compile this as a module whi 60 You can compile this as a module which will be called snd-pcsp.
61 61
62 WARNING: if you already have a sound 62 WARNING: if you already have a soundcard, enabling this
63 driver may lead to a problem. Namely 63 driver may lead to a problem. Namely, it may get loaded
64 before the other sound driver of you 64 before the other sound driver of yours, making the
65 pc-speaker a default sound device. W 65 pc-speaker a default sound device. Which is likely not
66 what you want. To make this driver p 66 what you want. To make this driver play nicely with other
67 sound driver, you can add this in a 67 sound driver, you can add this in a configuration file under
68 /etc/modprobe.d/ directory: 68 /etc/modprobe.d/ directory:
69 options snd-pcsp index=2 69 options snd-pcsp index=2
70 70
71 You don't need this driver if you on 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 ha 72 You don't need this driver if you have a tablet piezo beeper
73 in your PC instead of the real speak 73 in your PC instead of the real speaker.
74 74
75 Say N if you have a sound card. 75 Say N if you have a sound card.
76 Say M if you don't. 76 Say M if you don't.
77 Say Y only if you really know what y 77 Say Y only if you really know what you do.
78 78
79 config SND_DUMMY 79 config SND_DUMMY
80 tristate "Dummy (/dev/null) soundcard" 80 tristate "Dummy (/dev/null) soundcard"
81 select SND_PCM 81 select SND_PCM
82 help 82 help
83 Say Y here to include the dummy driv 83 Say Y here to include the dummy driver. This driver does
84 nothing, but emulates various mixer 84 nothing, but emulates various mixer controls and PCM devices.
85 85
86 You don't need this unless you're te 86 You don't need this unless you're testing the hardware support
87 of programs using the ALSA API. 87 of programs using the ALSA API.
88 88
89 To compile this driver as a module, 89 To compile this driver as a module, choose M here: the module
90 will be called snd-dummy. 90 will be called snd-dummy.
91 91
92 config SND_ALOOP 92 config SND_ALOOP
93 tristate "Generic loopback driver (PCM !! 93 tristate "Generic loopback driver (PCM)"
94 select SND_PCM !! 94 select SND_PCM
95 select SND_TIMER !! 95 help
96 help !! 96 Say 'Y' or 'M' to include support for the PCM loopback device.
97 Say 'Y' or 'M' to include support fo <<
98 This module returns played samples b 97 This module returns played samples back to the user space using
99 the standard ALSA PCM device. The de 98 the standard ALSA PCM device. The devices are routed 0->1 and
100 1->0, where first number is the play !! 99 1->0, where first number is the playback PCM device and second
101 number is the capture device. Module 100 number is the capture device. Module creates two PCM devices and
102 configured number of substreams (see 101 configured number of substreams (see the pcm_substreams module
103 parameter). !! 102 parameter).
104 103
105 The loopback device allows time sync !! 104 The loopback device allows time sychronization with an external
106 timing source using the time shift u 105 timing source using the time shift universal control (+-20%
107 of system time). 106 of system time).
108 107
109 To compile this driver as a module, 108 To compile this driver as a module, choose M here: the module
110 will be called snd-aloop. 109 will be called snd-aloop.
111 110
112 config SND_PCMTEST <<
113 tristate "Virtual PCM test driver" <<
114 depends on DEBUG_FS <<
115 select SND_PCM <<
116 help <<
117 Say 'Y' or 'M' to include support fo <<
118 This driver is aimed at extended tes <<
119 which use the ALSA API, as well as t <<
120 <<
121 It can generate random or pattern-ba <<
122 check the playback stream for contai <<
123 time delays during capture/playback, <<
124 to perform the PCM middle layer test <<
125 PCM callbacks. It supports both inte <<
126 modes. You can find the correspondin <<
127 selftests folder. <<
128 <<
129 config SND_VIRMIDI 111 config SND_VIRMIDI
130 tristate "Virtual MIDI soundcard" 112 tristate "Virtual MIDI soundcard"
131 depends on SND_SEQUENCER 113 depends on SND_SEQUENCER
132 select SND_TIMER 114 select SND_TIMER
133 select SND_RAWMIDI 115 select SND_RAWMIDI
134 select SND_SEQ_VIRMIDI 116 select SND_SEQ_VIRMIDI
135 select SND_SEQ_MIDI_EVENT 117 select SND_SEQ_MIDI_EVENT
136 help 118 help
137 Say Y here to include the virtual MI 119 Say Y here to include the virtual MIDI driver. This driver
138 allows to connect applications using 120 allows to connect applications using raw MIDI devices to
139 sequencer clients. 121 sequencer clients.
140 122
141 If you don't know what MIDI is, say 123 If you don't know what MIDI is, say N here.
142 124
143 To compile this driver as a module, 125 To compile this driver as a module, choose M here: the module
144 will be called snd-virmidi. 126 will be called snd-virmidi.
145 127
146 config SND_MTPAV 128 config SND_MTPAV
147 tristate "MOTU MidiTimePiece AV multip 129 tristate "MOTU MidiTimePiece AV multiport MIDI"
148 depends on HAS_IOPORT <<
149 select SND_RAWMIDI 130 select SND_RAWMIDI
150 help 131 help
151 To use a MOTU MidiTimePiece AV multi 132 To use a MOTU MidiTimePiece AV multiport MIDI adapter
152 connected to the parallel port, say 133 connected to the parallel port, say Y here and make sure that
153 the standard parallel port driver is 134 the standard parallel port driver isn't used for the port.
154 135
155 To compile this driver as a module, 136 To compile this driver as a module, choose M here: the module
156 will be called snd-mtpav. 137 will be called snd-mtpav.
157 138
158 config SND_MTS64 139 config SND_MTS64
159 tristate "ESI Miditerminal 4140 driver 140 tristate "ESI Miditerminal 4140 driver"
160 depends on PARPORT 141 depends on PARPORT
161 select SND_RAWMIDI 142 select SND_RAWMIDI
162 help 143 help
163 The ESI Miditerminal 4140 is a 4 In 144 The ESI Miditerminal 4140 is a 4 In 4 Out MIDI Interface with
164 additional SMPTE Timecode capabiliti !! 145 additional SMPTE Timecode capabilities for the parallel port.
165 146
166 Say 'Y' to include support for this 147 Say 'Y' to include support for this device.
167 148
168 To compile this driver as a module, 149 To compile this driver as a module, chose 'M' here: the module
169 will be called snd-mts64. !! 150 will be called snd-mts64.
170 151
171 config SND_SERIAL_U16550 152 config SND_SERIAL_U16550
172 tristate "UART16550 serial MIDI driver 153 tristate "UART16550 serial MIDI driver"
173 depends on HAS_IOPORT <<
174 select SND_RAWMIDI 154 select SND_RAWMIDI
175 help 155 help
176 To include support for MIDI serial p 156 To include support for MIDI serial port interfaces, say Y here
177 and read <file:Documentation/sound/c 157 and read <file:Documentation/sound/cards/serial-u16550.rst>.
178 This driver works with serial UARTs 158 This driver works with serial UARTs 16550 and better.
179 159
180 This driver accesses the serial port 160 This driver accesses the serial port hardware directly, so
181 make sure that the standard serial d 161 make sure that the standard serial driver isn't used or
182 deactivated with setserial before lo 162 deactivated with setserial before loading this driver.
183 163
184 To compile this driver as a module, 164 To compile this driver as a module, choose M here: the module
185 will be called snd-serial-u16550. 165 will be called snd-serial-u16550.
186 166
187 config SND_SERIAL_GENERIC <<
188 tristate "Generic serial MIDI driver" <<
189 depends on SERIAL_DEV_BUS <<
190 depends on OF <<
191 select SND_RAWMIDI <<
192 help <<
193 To include support for mapping gener <<
194 ALSA MIDI devices, say Y here. The d <<
195 the serial port to standard baudrate <<
196 baudrate of 31.25 kBaud, configure t <<
197 device so that a requested 38.4 kBau <<
198 <<
199 Use this devicetree binding to confi <<
200 <file:Documentation/devicetree/bindi <<
201 <<
202 To compile this driver as a module, <<
203 will be called snd-serial-generic. <<
204 <<
205 config SND_MPU401 167 config SND_MPU401
206 tristate "Generic MPU-401 UART driver" 168 tristate "Generic MPU-401 UART driver"
207 depends on HAS_IOPORT <<
208 select SND_MPU401_UART 169 select SND_MPU401_UART
209 help 170 help
210 Say Y here to include support for MI 171 Say Y here to include support for MIDI ports compatible with
211 the Roland MPU-401 interface in UART 172 the Roland MPU-401 interface in UART mode.
212 173
213 To compile this driver as a module, 174 To compile this driver as a module, choose M here: the module
214 will be called snd-mpu401. 175 will be called snd-mpu401.
215 176
216 config SND_PORTMAN2X4 177 config SND_PORTMAN2X4
217 tristate "Portman 2x4 driver" 178 tristate "Portman 2x4 driver"
218 depends on PARPORT 179 depends on PARPORT
219 select SND_RAWMIDI 180 select SND_RAWMIDI
220 help 181 help
221 Say Y here to include support for Mi 182 Say Y here to include support for Midiman Portman 2x4 parallel
222 port MIDI device. 183 port MIDI device.
223 184
224 To compile this driver as a module, 185 To compile this driver as a module, choose M here: the module
225 will be called snd-portman2x4. 186 will be called snd-portman2x4.
>> 187
>> 188 config SND_ML403_AC97CR
>> 189 tristate "Xilinx ML403 AC97 Controller Reference"
>> 190 depends on XILINX_VIRTEX
>> 191 select SND_AC97_CODEC
>> 192 help
>> 193 Say Y here to include support for the
>> 194 opb_ac97_controller_ref_v1_00_a ip core found in Xilinx's ML403
>> 195 reference design.
>> 196
>> 197 To compile this driver as a module, choose M here: the module
>> 198 will be called snd-ml403_ac97cr.
226 199
227 config SND_AC97_POWER_SAVE 200 config SND_AC97_POWER_SAVE
228 bool "AC97 Power-Saving Mode" 201 bool "AC97 Power-Saving Mode"
229 depends on SND_AC97_CODEC 202 depends on SND_AC97_CODEC
230 default n 203 default n
231 help 204 help
232 Say Y here to enable the aggressive 205 Say Y here to enable the aggressive power-saving support of
233 AC97 codecs. In this mode, the powe 206 AC97 codecs. In this mode, the power-mode is dynamically
234 controlled at each open/close. 207 controlled at each open/close.
235 208
236 The mode is activated by passing 'po 209 The mode is activated by passing 'power_save=X' to the
237 snd-ac97-codec driver module, where 210 snd-ac97-codec driver module, where 'X' is the time-out
238 value, a nonnegative integer that sp 211 value, a nonnegative integer that specifies how many
239 seconds of idle time the driver must 212 seconds of idle time the driver must count before it may
240 put the AC97 into power-save mode; 213 put the AC97 into power-save mode; a value of 0 (zero)
241 disables the use of this power-save 214 disables the use of this power-save mode.
242 215
243 After the snd-ac97-codec driver modu 216 After the snd-ac97-codec driver module has been loaded,
244 the 'power_save' parameter can be se 217 the 'power_save' parameter can be set via sysfs as follows:
245 218
246 echo 10 > /sys/module/snd_ac97_cod 219 echo 10 > /sys/module/snd_ac97_codec/parameters/power_save
247 220
248 In this case, the time-out is set to 221 In this case, the time-out is set to 10 seconds; setting
249 the time-out to 1 second (the minimu 222 the time-out to 1 second (the minimum activation value)
250 isn't recommended because many appli 223 isn't recommended because many applications try to reopen
251 the device frequently. A value of 1 224 the device frequently. A value of 10 seconds would be a
252 good choice for normal operations. 225 good choice for normal operations.
253 226
254 See Documentation/sound/designs/powe 227 See Documentation/sound/designs/powersave.rst for more details.
255 228
256 config SND_AC97_POWER_SAVE_DEFAULT 229 config SND_AC97_POWER_SAVE_DEFAULT
257 int "Default time-out for AC97 power-s 230 int "Default time-out for AC97 power-save mode"
258 depends on SND_AC97_POWER_SAVE 231 depends on SND_AC97_POWER_SAVE
259 default 0 232 default 0
260 help 233 help
261 The default time-out value in second 234 The default time-out value in seconds for AC97 automatic
262 power-save mode. 0 means to disable 235 power-save mode. 0 means to disable the power-save mode.
263 236
264 See SND_AC97_POWER_SAVE for more det 237 See SND_AC97_POWER_SAVE for more details.
265 238
266 endif # SND_DRIVERS 239 endif # SND_DRIVERS
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