diff options
Diffstat (limited to 'include/asm-sparc')
| -rw-r--r-- | include/asm-sparc/audioio.h | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/include/asm-sparc/audioio.h b/include/asm-sparc/audioio.h deleted file mode 100644 index cf16173..0000000 --- a/include/asm-sparc/audioio.h +++ /dev/null @@ -1,234 +0,0 @@ -/* - * include/asm-sparc/audioio.h - * - * Sparc Audio Midlayer - * Copyright (C) 1996 Thomas K. Dyas (tdyas@noc.rutgers.edu) - */ - -#ifndef _AUDIOIO_H_ -#define _AUDIOIO_H_ - -/* - * SunOS/Solaris /dev/audio interface - */ - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) -#include <linux/types.h> -#include <linux/time.h> -#include <linux/ioctl.h> -#endif - -/* - * This structure contains state information for audio device IO streams. - */ -typedef struct audio_prinfo { - /* - * The following values describe the audio data encoding. - */ - unsigned int sample_rate; /* samples per second */ - unsigned int channels; /* number of interleaved channels */ - unsigned int precision; /* bit-width of each sample */ - unsigned int encoding; /* data encoding method */ - - /* - * The following values control audio device configuration - */ - unsigned int gain; /* gain level: 0 - 255 */ - unsigned int port; /* selected I/O port (see below) */ - unsigned int avail_ports; /* available I/O ports (see below) */ - unsigned int _xxx[2]; /* Reserved for future use */ - - unsigned int buffer_size; /* I/O buffer size */ - - /* - * The following values describe driver state - */ - unsigned int samples; /* number of samples converted */ - unsigned int eof; /* End Of File counter (play only) */ - - unsigned char pause; /* non-zero for pause, zero to resume */ - unsigned char error; /* non-zero if overflow/underflow */ - unsigned char waiting; /* non-zero if a process wants access */ - unsigned char balance; /* stereo channel balance */ - - unsigned short minordev; - - /* - * The following values are read-only state flags - */ - unsigned char open; /* non-zero if open access permitted */ - unsigned char active; /* non-zero if I/O is active */ -} audio_prinfo_t; - - -/* - * This structure describes the current state of the audio device. - */ -typedef struct audio_info { - /* - * Per-stream information - */ - audio_prinfo_t play; /* output status information */ - audio_prinfo_t record; /* input status information */ - - /* - * Per-unit/channel information - */ - unsigned int monitor_gain; /* input to output mix: 0 - 255 */ - unsigned char output_muted; /* non-zero if output is muted */ - unsigned char _xxx[3]; /* Reserved for future use */ - unsigned int _yyy[3]; /* Reserved for future use */ -} audio_info_t; - - -/* - * Audio encoding types - */ -#define AUDIO_ENCODING_NONE (0) /* no encoding assigned */ -#define AUDIO_ENCODING_ULAW (1) /* u-law encoding */ -#define AUDIO_ENCODING_ALAW (2) /* A-law encoding */ -#define AUDIO_ENCODING_LINEAR (3) /* Linear PCM encoding */ -#define AUDIO_ENCODING_FLOAT (4) /* IEEE float (-1. <-> +1.) */ -#define AUDIO_ENCODING_DVI (104) /* DVI ADPCM */ -#define AUDIO_ENCODING_LINEAR8 (105) /* 8 bit UNSIGNED */ -#define AUDIO_ENCODING_LINEARLE (106) /* Linear PCM LE encoding */ - -/* - * These ranges apply to record, play, and monitor gain values - */ -#define AUDIO_MIN_GAIN (0) /* minimum gain value */ -#define AUDIO_MAX_GAIN (255) /* maximum gain value */ - -/* - * These values apply to the balance field to adjust channel gain values - */ -#define AUDIO_LEFT_BALANCE (0) /* left channel only */ -#define AUDIO_MID_BALANCE (32) /* equal left/right channel */ -#define AUDIO_RIGHT_BALANCE (64) /* right channel only */ -#define AUDIO_BALANCE_SHIFT (3) - -/* - * Generic minimum/maximum limits for number of channels, both modes - */ -#define AUDIO_MIN_PLAY_CHANNELS (1) -#define AUDIO_MAX_PLAY_CHANNELS (4) -#define AUDIO_MIN_REC_CHANNELS (1) -#define AUDIO_MAX_REC_CHANNELS (4) - -/* - * Generic minimum/maximum limits for sample precision - */ -#define AUDIO_MIN_PLAY_PRECISION (8) -#define AUDIO_MAX_PLAY_PRECISION (32) -#define AUDIO_MIN_REC_PRECISION (8) -#define AUDIO_MAX_REC_PRECISION (32) - -/* - * Define some convenient names for typical audio ports - */ -/* - * output ports (several may be enabled simultaneously) - */ -#define AUDIO_SPEAKER 0x01 /* output to built-in speaker */ -#define AUDIO_HEADPHONE 0x02 /* output to headphone jack */ -#define AUDIO_LINE_OUT 0x04 /* output to line out */ - -/* - * input ports (usually only one at a time) - */ -#define AUDIO_MICROPHONE 0x01 /* input from microphone */ -#define AUDIO_LINE_IN 0x02 /* input from line in */ -#define AUDIO_CD 0x04 /* input from on-board CD inputs */ -#define AUDIO_INTERNAL_CD_IN AUDIO_CD /* input from internal CDROM */ -#define AUDIO_ANALOG_LOOPBACK 0x40 /* input from output */ - - -/* - * This macro initializes an audio_info structure to 'harmless' values. - * Note that (~0) might not be a harmless value for a flag that was - * a signed int. - */ -#define AUDIO_INITINFO(i) { \ - unsigned int *__x__; \ - for (__x__ = (unsigned int *)(i); \ - (char *) __x__ < (((char *)(i)) + sizeof (audio_info_t)); \ - *__x__++ = ~0); \ -} - -/* - * These allow testing for what the user wants to set - */ -#define AUD_INITVALUE (~0) -#define Modify(X) ((unsigned int)(X) != AUD_INITVALUE) -#define Modifys(X) ((X) != (unsigned short)AUD_INITVALUE) -#define Modifyc(X) ((X) != (unsigned char)AUD_INITVALUE) - -/* - * Parameter for the AUDIO_GETDEV ioctl to determine current - * audio devices. - */ -#define MAX_AUDIO_DEV_LEN (16) -typedef struct audio_device { - char name[MAX_AUDIO_DEV_LEN]; - char version[MAX_AUDIO_DEV_LEN]; - char config[MAX_AUDIO_DEV_LEN]; -} audio_device_t; - - -/* - * Ioctl calls for the audio device. - */ - -/* - * AUDIO_GETINFO retrieves the current state of the audio device. - * - * AUDIO_SETINFO copies all fields of the audio_info structure whose - * values are not set to the initialized value (-1) to the device state. - * It performs an implicit AUDIO_GETINFO to return the new state of the - * device. Note that the record.samples and play.samples fields are set - * to the last value before the AUDIO_SETINFO took effect. This allows - * an application to reset the counters while atomically retrieving the - * last value. - * - * AUDIO_DRAIN suspends the calling process until the write buffers are - * empty. - * - * AUDIO_GETDEV returns a structure of type audio_device_t which contains - * three strings. The string "name" is a short identifying string (for - * example, the SBus Fcode name string), the string "version" identifies - * the current version of the device, and the "config" string identifies - * the specific configuration of the audio stream. All fields are - * device-dependent -- see the device specific manual pages for details. - * - * AUDIO_GETDEV_SUNOS returns a number which is an audio device defined - * herein (making it not too portable) - * - * AUDIO_FLUSH stops all playback and recording, clears all queued buffers, - * resets error counters, and restarts recording and playback as appropriate - * for the current sampling mode. - */ -#define AUDIO_GETINFO _IOR('A', 1, audio_info_t) -#define AUDIO_SETINFO _IOWR('A', 2, audio_info_t) -#define AUDIO_DRAIN _IO('A', 3) -#define AUDIO_GETDEV _IOR('A', 4, audio_device_t) -#define AUDIO_GETDEV_SUNOS _IOR('A', 4, int) -#define AUDIO_FLUSH _IO('A', 5) - -/* Define possible audio hardware configurations for - * old SunOS-style AUDIO_GETDEV ioctl */ -#define AUDIO_DEV_UNKNOWN (0) /* not defined */ -#define AUDIO_DEV_AMD (1) /* audioamd device */ -#define AUDIO_DEV_SPEAKERBOX (2) /* dbri device with speakerbox */ -#define AUDIO_DEV_CODEC (3) /* dbri device (internal speaker) */ -#define AUDIO_DEV_CS4231 (5) /* cs4231 device */ - -/* - * The following ioctl sets the audio device into an internal loopback mode, - * if the hardware supports this. The argument is TRUE to set loopback, - * FALSE to reset to normal operation. If the hardware does not support - * internal loopback, the ioctl should fail with EINVAL. - * Causes ADC data to be digitally mixed in and sent to the DAC. - */ -#define AUDIO_DIAG_LOOPBACK _IOW('A', 101, int) - -#endif /* _AUDIOIO_H_ */ |
