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 help 96 Say 'Y' or 'M' to include support for the PCM loopback device. 97 This module returns played samples back to the user space using 98 the standard ALSA PCM device. The devices are routed 0->1 and 99 1->0, where first number is the playback PCM device and second 100 number is the capture device. Module creates two PCM devices and 101 configured number of substreams (see the pcm_substreams module 102 parameter). 103 104 The loopback device allows time sychronization with an external 105 timing source using the time shift universal control (+-20% 106 of system time). 107 108 To compile this driver as a module, choose M here: the module 109 will be called snd-aloop. 110 111config SND_VIRMIDI 112 tristate "Virtual MIDI soundcard" 113 depends on SND_SEQUENCER 114 select SND_TIMER 115 select SND_RAWMIDI 116 select SND_SEQ_VIRMIDI 117 select SND_SEQ_MIDI_EVENT 118 help 119 Say Y here to include the virtual MIDI driver. This driver 120 allows to connect applications using raw MIDI devices to 121 sequencer clients. 122 123 If you don't know what MIDI is, say N here. 124 125 To compile this driver as a module, choose M here: the module 126 will be called snd-virmidi. 127 128config SND_MTPAV 129 tristate "MOTU MidiTimePiece AV multiport MIDI" 130 select SND_RAWMIDI 131 help 132 To use a MOTU MidiTimePiece AV multiport MIDI adapter 133 connected to the parallel port, say Y here and make sure that 134 the standard parallel port driver isn't used for the port. 135 136 To compile this driver as a module, choose M here: the module 137 will be called snd-mtpav. 138 139config SND_MTS64 140 tristate "ESI Miditerminal 4140 driver" 141 depends on PARPORT 142 select SND_RAWMIDI 143 help 144 The ESI Miditerminal 4140 is a 4 In 4 Out MIDI Interface with 145 additional SMPTE Timecode capabilities for the parallel port. 146 147 Say 'Y' to include support for this device. 148 149 To compile this driver as a module, chose 'M' here: the module 150 will be called snd-mts64. 151 152config SND_SERIAL_U16550 153 tristate "UART16550 serial MIDI driver" 154 select SND_RAWMIDI 155 help 156 To include support for MIDI serial port interfaces, say Y here 157 and read <file:Documentation/sound/cards/serial-u16550.rst>. 158 This driver works with serial UARTs 16550 and better. 159 160 This driver accesses the serial port hardware directly, so 161 make sure that the standard serial driver isn't used or 162 deactivated with setserial before loading this driver. 163 164 To compile this driver as a module, choose M here: the module 165 will be called snd-serial-u16550. 166 167config SND_MPU401 168 tristate "Generic MPU-401 UART driver" 169 select SND_MPU401_UART 170 help 171 Say Y here to include support for MIDI ports compatible with 172 the Roland MPU-401 interface in UART mode. 173 174 To compile this driver as a module, choose M here: the module 175 will be called snd-mpu401. 176 177config SND_PORTMAN2X4 178 tristate "Portman 2x4 driver" 179 depends on PARPORT 180 select SND_RAWMIDI 181 help 182 Say Y here to include support for Midiman Portman 2x4 parallel 183 port MIDI device. 184 185 To compile this driver as a module, choose M here: the module 186 will be called snd-portman2x4. 187 188config 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. 199 200config SND_AC97_POWER_SAVE 201 bool "AC97 Power-Saving Mode" 202 depends on SND_AC97_CODEC 203 default n 204 help 205 Say Y here to enable the aggressive power-saving support of 206 AC97 codecs. In this mode, the power-mode is dynamically 207 controlled at each open/close. 208 209 The mode is activated by passing 'power_save=X' to the 210 snd-ac97-codec driver module, where 'X' is the time-out 211 value, a nonnegative integer that specifies how many 212 seconds of idle time the driver must count before it may 213 put the AC97 into power-save mode; a value of 0 (zero) 214 disables the use of this power-save mode. 215 216 After the snd-ac97-codec driver module has been loaded, 217 the 'power_save' parameter can be set via sysfs as follows: 218 219 echo 10 > /sys/module/snd_ac97_codec/parameters/power_save 220 221 In this case, the time-out is set to 10 seconds; setting 222 the time-out to 1 second (the minimum activation value) 223 isn't recommended because many applications try to reopen 224 the device frequently. A value of 10 seconds would be a 225 good choice for normal operations. 226 227 See Documentation/sound/designs/powersave.rst for more details. 228 229config SND_AC97_POWER_SAVE_DEFAULT 230 int "Default time-out for AC97 power-save mode" 231 depends on SND_AC97_POWER_SAVE 232 default 0 233 help 234 The default time-out value in seconds for AC97 automatic 235 power-save mode. 0 means to disable the power-save mode. 236 237 See SND_AC97_POWER_SAVE for more details. 238 239endif # SND_DRIVERS 240