soundcard.h

IXP425的BSP代码

		int offs;	/* If required by the device (0 if not used) */

		unsigned char data[4000]; /* NOTE! 4000 is not 4k */
	} copr_buffer;

typedef struct copr_debug_buf {
		int command;	/* Used internally. Set to 0 */
		int parm1;
		int parm2;
		int flags;	
		int len;	/* Length of data in bytes */
	} copr_debug_buf;

typedef struct copr_msg {
		int len;
		unsigned char data[4000];
	} copr_msg;

#define SNDCTL_COPR_RESET             __SIO  ('C',  0)
#define SNDCTL_COPR_LOAD	      __SIOWR('C',  1, copr_buffer)
#define SNDCTL_COPR_RDATA	      __SIOWR('C',  2, copr_debug_buf)
#define SNDCTL_COPR_RCODE	      __SIOWR('C',  3, copr_debug_buf)
#define SNDCTL_COPR_WDATA	      __SIOW ('C',  4, copr_debug_buf)
#define SNDCTL_COPR_WCODE	      __SIOW ('C',  5, copr_debug_buf)
#define SNDCTL_COPR_RUN		      __SIOWR('C',  6, copr_debug_buf)
#define SNDCTL_COPR_HALT	      __SIOWR('C',  7, copr_debug_buf)
#define SNDCTL_COPR_SENDMSG	      __SIOWR('C',  8, copr_msg)
#define SNDCTL_COPR_RCVMSG	      __SIOR ('C',  9, copr_msg)

/*********************************************
 * IOCTL commands for /dev/mixer
 */
	
/* 
 * Mixer devices
 *
 * There can be up to 20 different analog mixer channels. The
 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 
 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
 * the devices supported by the particular mixer.
 */

#define SOUND_MIXER_NRDEVICES	28
#define SOUND_MIXER_VOLUME	0
#define SOUND_MIXER_BASS	1
#define SOUND_MIXER_TREBLE	2
#define SOUND_MIXER_SYNTH	3
#define SOUND_MIXER_PCM		4
#define SOUND_MIXER_SPEAKER	5
#define SOUND_MIXER_LINE	6
#define SOUND_MIXER_MIC		7
#define SOUND_MIXER_CD		8
#define SOUND_MIXER_IMIX	9	/*  Recording monitor  */
#define SOUND_MIXER_ALTPCM	10
#define SOUND_MIXER_RECLEV	11	/* Recording level */
#define SOUND_MIXER_IGAIN	12	/* Input gain */
#define SOUND_MIXER_OGAIN	13	/* Output gain */
/* 
 * The AD1848 codec and compatibles have three line level inputs
 * (line, aux1 and aux2). Since each card manufacturer have assigned
 * different meanings to these inputs, it's inpractical to assign
 * specific meanings (line, cd, synth etc.) to them.
 */
#define SOUND_MIXER_LINE1	14	/* Input source 1  (aux1) */
#define SOUND_MIXER_LINE2	15	/* Input source 2  (aux2) */
#define SOUND_MIXER_LINE3	16	/* Input source 3  (line) */
#define SOUND_MIXER_DIGITAL1	17	/* Digital (input) 1 */
#define SOUND_MIXER_DIGITAL2	18	/* Digital (input) 2 */
#define SOUND_MIXER_DIGITAL3	19	/* Digital (input) 3 */
#define SOUND_MIXER_PHONEIN	20	/* Phone input */
#define SOUND_MIXER_PHONEOUT	21	/* Phone output */
#define SOUND_MIXER_VIDEO	22	/* Video/TV (audio) in */
#define SOUND_MIXER_RADIO	23	/* Radio in */
#define SOUND_MIXER_MONITOR	24	/* Monitor (usually mic) volume */
#define SOUND_MIXER_DEPTH	25	/* 3D "depth"/"space" parameter */
#define SOUND_MIXER_CENTER	26	/* 3D "center" parameter */
#define SOUND_MIXER_MIDI	27	/* Alternative for "synth" */

/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
#define SOUND_ONOFF_MIN		28
#define SOUND_ONOFF_MAX		30

/* Note!	Number 31 cannot be used since the sign bit is reserved */
#define SOUND_MIXER_NONE	31

/*
 * The following unsupported macros are no longer functional.
 * Use SOUND_MIXER_PRIVATE# macros in future.
 */
#define SOUND_MIXER_ENHANCE	SOUND_MIXER_NONE
#define SOUND_MIXER_MUTE	SOUND_MIXER_NONE
#define SOUND_MIXER_LOUD	SOUND_MIXER_NONE


#define SOUND_DEVICE_LABELS	{"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
				 "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
				 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
				 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor", \
				 "Depth", "Center", "MIDI"}

#define SOUND_DEVICE_NAMES	{"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
				 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
				 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
				 "phin", "phout", "video", "radio", "monitor", \
				 "depth", "center", "midi"}

/*	Device bitmask identifiers	*/

#define SOUND_MIXER_RECSRC	0xff	/* Arg contains a bit for each recording source */
#define SOUND_MIXER_DEVMASK	0xfe	/* Arg contains a bit for each supported device */
#define SOUND_MIXER_RECMASK	0xfd	/* Arg contains a bit for each supported recording source */
#define SOUND_MIXER_CAPS	0xfc
#	define SOUND_CAP_EXCL_INPUT	0x00000001	/* Only one recording source at a time */
#define SOUND_MIXER_STEREODEVS	0xfb	/* Mixer channels supporting stereo */

/*	Device mask bits	*/

#define SOUND_MASK_VOLUME	(1 << SOUND_MIXER_VOLUME)
#define SOUND_MASK_BASS		(1 << SOUND_MIXER_BASS)
#define SOUND_MASK_TREBLE	(1 << SOUND_MIXER_TREBLE)
#define SOUND_MASK_SYNTH	(1 << SOUND_MIXER_SYNTH)
#define SOUND_MASK_PCM		(1 << SOUND_MIXER_PCM)
#define SOUND_MASK_SPEAKER	(1 << SOUND_MIXER_SPEAKER)
#define SOUND_MASK_LINE		(1 << SOUND_MIXER_LINE)
#define SOUND_MASK_MIC		(1 << SOUND_MIXER_MIC)
#define SOUND_MASK_CD		(1 << SOUND_MIXER_CD)
#define SOUND_MASK_IMIX		(1 << SOUND_MIXER_IMIX)
#define SOUND_MASK_ALTPCM	(1 << SOUND_MIXER_ALTPCM)
#define SOUND_MASK_RECLEV	(1 << SOUND_MIXER_RECLEV)
#define SOUND_MASK_IGAIN	(1 << SOUND_MIXER_IGAIN)
#define SOUND_MASK_OGAIN	(1 << SOUND_MIXER_OGAIN)
#define SOUND_MASK_LINE1	(1 << SOUND_MIXER_LINE1)
#define SOUND_MASK_LINE2	(1 << SOUND_MIXER_LINE2)
#define SOUND_MASK_LINE3	(1 << SOUND_MIXER_LINE3)
#define SOUND_MASK_DIGITAL1	(1 << SOUND_MIXER_DIGITAL1)
#define SOUND_MASK_DIGITAL2	(1 << SOUND_MIXER_DIGITAL2)
#define SOUND_MASK_DIGITAL3	(1 << SOUND_MIXER_DIGITAL3)
#define SOUND_MASK_PHONEIN	(1 << SOUND_MIXER_PHONEIN)
#define SOUND_MASK_PHONEOUT	(1 << SOUND_MIXER_PHONEOUT)
#define SOUND_MASK_RADIO	(1 << SOUND_MIXER_RADIO)
#define SOUND_MASK_VIDEO	(1 << SOUND_MIXER_VIDEO)
#define SOUND_MASK_MONITOR	(1 << SOUND_MIXER_MONITOR)
#define SOUND_MASK_DEPTH	(1 << SOUND_MIXER_DEPTH)
#define SOUND_MASK_CENTER	(1 << SOUND_MIXER_CENTER)
#define SOUND_MASK_MIDI		(1 << SOUND_MIXER_MIDI)

/* Obsolete macros */
#define SOUND_MASK_MUTE		(1 << SOUND_MIXER_MUTE)
#define SOUND_MASK_ENHANCE	(1 << SOUND_MIXER_ENHANCE)
#define SOUND_MASK_LOUD		(1 << SOUND_MIXER_LOUD)

#define MIXER_READ(dev)		__SIOR('M', dev, int)
#define SOUND_MIXER_READ_VOLUME		MIXER_READ(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_READ_BASS		MIXER_READ(SOUND_MIXER_BASS)
#define SOUND_MIXER_READ_TREBLE		MIXER_READ(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_READ_SYNTH		MIXER_READ(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_READ_PCM		MIXER_READ(SOUND_MIXER_PCM)
#define SOUND_MIXER_READ_SPEAKER	MIXER_READ(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_READ_LINE		MIXER_READ(SOUND_MIXER_LINE)
#define SOUND_MIXER_READ_MIC		MIXER_READ(SOUND_MIXER_MIC)
#define SOUND_MIXER_READ_CD		MIXER_READ(SOUND_MIXER_CD)
#define SOUND_MIXER_READ_IMIX		MIXER_READ(SOUND_MIXER_IMIX)
#define SOUND_MIXER_READ_ALTPCM		MIXER_READ(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_READ_RECLEV		MIXER_READ(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_READ_IGAIN		MIXER_READ(SOUND_MIXER_IGAIN)
#define SOUND_MIXER_READ_OGAIN		MIXER_READ(SOUND_MIXER_OGAIN)
#define SOUND_MIXER_READ_LINE1		MIXER_READ(SOUND_MIXER_LINE1)
#define SOUND_MIXER_READ_LINE2		MIXER_READ(SOUND_MIXER_LINE2)
#define SOUND_MIXER_READ_LINE3		MIXER_READ(SOUND_MIXER_LINE3)

/* Obsolete macros */
#define SOUND_MIXER_READ_MUTE		MIXER_READ(SOUND_MIXER_MUTE)
#define SOUND_MIXER_READ_ENHANCE	MIXER_READ(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_READ_LOUD		MIXER_READ(SOUND_MIXER_LOUD)

#define SOUND_MIXER_READ_RECSRC		MIXER_READ(SOUND_MIXER_RECSRC)
#define SOUND_MIXER_READ_DEVMASK	MIXER_READ(SOUND_MIXER_DEVMASK)
#define SOUND_MIXER_READ_RECMASK	MIXER_READ(SOUND_MIXER_RECMASK)
#define SOUND_MIXER_READ_STEREODEVS	MIXER_READ(SOUND_MIXER_STEREODEVS)
#define SOUND_MIXER_READ_CAPS		MIXER_READ(SOUND_MIXER_CAPS)

#define MIXER_WRITE(dev)		__SIOWR('M', dev, int)
#define SOUND_MIXER_WRITE_VOLUME	MIXER_WRITE(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_WRITE_BASS		MIXER_WRITE(SOUND_MIXER_BASS)
#define SOUND_MIXER_WRITE_TREBLE	MIXER_WRITE(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_WRITE_SYNTH		MIXER_WRITE(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_WRITE_PCM		MIXER_WRITE(SOUND_MIXER_PCM)
#define SOUND_MIXER_WRITE_SPEAKER	MIXER_WRITE(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_WRITE_LINE		MIXER_WRITE(SOUND_MIXER_LINE)
#define SOUND_MIXER_WRITE_MIC		MIXER_WRITE(SOUND_MIXER_MIC)
#define SOUND_MIXER_WRITE_CD		MIXER_WRITE(SOUND_MIXER_CD)
#define SOUND_MIXER_WRITE_IMIX		MIXER_WRITE(SOUND_MIXER_IMIX)
#define SOUND_MIXER_WRITE_ALTPCM	MIXER_WRITE(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_WRITE_RECLEV	MIXER_WRITE(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_WRITE_IGAIN		MIXER_WRITE(SOUND_MIXER_IGAIN)
#define SOUND_MIXER_WRITE_OGAIN		MIXER_WRITE(SOUND_MIXER_OGAIN)
#define SOUND_MIXER_WRITE_LINE1		MIXER_WRITE(SOUND_MIXER_LINE1)
#define SOUND_MIXER_WRITE_LINE2		MIXER_WRITE(SOUND_MIXER_LINE2)
#define SOUND_MIXER_WRITE_LINE3		MIXER_WRITE(SOUND_MIXER_LINE3)

/* Obsolete macros */
#define SOUND_MIXER_WRITE_MUTE		MIXER_WRITE(SOUND_MIXER_MUTE)
#define SOUND_MIXER_WRITE_ENHANCE	MIXER_WRITE(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_WRITE_LOUD		MIXER_WRITE(SOUND_MIXER_LOUD)

#define SOUND_MIXER_WRITE_RECSRC	MIXER_WRITE(SOUND_MIXER_RECSRC)

typedef struct mixer_info
{
  char id[16];
  char name[32];
  int  modify_counter;
  int fillers[10];
} mixer_info;

typedef struct _old_mixer_info /* Obsolete */
{
  char id[16];
  char name[32];
} _old_mixer_info;

#define SOUND_MIXER_INFO		__SIOR ('M', 101, mixer_info)
#define SOUND_OLD_MIXER_INFO		__SIOR ('M', 101, _old_mixer_info)

/*
 * A mechanism for accessing "proprietary" mixer features. This method
 * permits passing 128 bytes of arbitrary data between a mixer application
 * and the mixer driver. Interpretation of the record is defined by
 * the particular mixer driver.
 */
typedef unsigned char mixer_record[128];

#define SOUND_MIXER_ACCESS		__SIOWR('M', 102, mixer_record)

/*
 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
 * These features can be used when accessing device specific features.
 */
#define SOUND_MIXER_PRIVATE1		__SIOWR('M', 111, int)
#define SOUND_MIXER_PRIVATE2		__SIOWR('M', 112, int)
#define SOUND_MIXER_PRIVATE3		__SIOWR('M', 113, int)
#define SOUND_MIXER_PRIVATE4		__SIOWR('M', 114, int)
#define SOUND_MIXER_PRIVATE5		__SIOWR('M', 115, int)

/*
 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
 * for querying current mixer settings from the driver and for loading
 * default volume settings _prior_ activating the mixer (loading
 * doesn't affect current state of the mixer hardware). These calls
 * are for internal use only.
 */

typedef struct mixer_vol_table {
  int num;	/* Index to volume table */
  char name[32];
  int levels[32];
} mixer_vol_table;

#define SOUND_MIXER_GETLEVELS		__SIOWR('M', 116, mixer_vol_table)
#define SOUND_MIXER_SETLEVELS		__SIOWR('M', 117, mixer_vol_table)

/* 
 * An ioctl for identifying the driver version. It will return value
 * of the SOUND_VERSION macro used when compiling the driver.
 * This call was introduced in OSS version 3.6 and it will not work
 * with earlier versions (returns EINVAL).
 */
#define OSS_GETVERSION			__SIOR ('M', 118, int)

/*************************************************
 * Extended mixer interface  (OSS 4.0 and later) *
 *************************************************/
#define SYSINFO_FILL_SIZE 256

typedef struct oss_sysinfo {
  char product[32];	/* For example OSS/Free, OSS/Linux or OSS/Solaris */
  char version[32];	/* For example 4.0a */
  int versionnum;	/* See OSS_GETVERSION */
  char options[128];	/* Reserved */

  int numaudios;	/* # of audio/dsp devices */
  int openedaudio[8];	/* Bit mask telling which audio devices are busy */
 
  int numsynths;	/* # of availavle synth devices */
  int nummidis;		/* # of available MIDI ports */
  int numtimers;	/* # of available timer devices */
  int nummixers;	/* # of mixer devices */

  int filler[SYSINFO_FILL_SIZE];/* For future expansion (set to -1) */
} oss_sysinfo;

typedef struct oss_mixext {
  int dev;		/* Mixer device number */
  int ctrl;		/* Controller number */
  int type;		/* Entry type */
#	define MIXT_DEVROOT	 0	/* Device root entry */
#	define MIXT_GROUP	 1	/* Controller group */
#	define MIXT_ONOFF	 2	/* OFF (0) or ON (1) */
#	define MIXT_ENUM	 3	/* Enumerated (0 to maxvalue) */
#	define MIXT_MONOSLIDER	 4	/* Mono slider (0 to 100) */
#	define MIXT_STEREOSLIDER 5	/* Stereo slider (dual 0 to 100) */
#	define MIXT_MESSAGE	 6	/* (Readable) textual message */
#	define MIXT_MONOVU	 7	/* VU meter value (mono) */
#	define MIXT_STEREOVU	 8	/* VU meter value (stereo) */
#	define MIXT_MONOPEAK	 9	/* VU meter peak value (mono) */
#	define MIXT_STEREOPEAK	10	/* VU meter peak value (stereo) */
#	define MIXT_RADIOGROUP	11	/* Radio button group */
#	define MIXT_MARKER	12	/* Separator between normal and extension entries */
#	define MIXT_VALUE	13	/* Decimal value entry */
#	define MIXT_HEXVALUE	14	/* Hexadecimal value entry */
  int maxvalue;		/* Possible value range (0 to maxvalue) */
  int flags;
#	define MIXF_READABLE  0x00000001	/* Has readable value */
#	define MIXF_WRITEABLE 0x00000002	/* Has writeable value */
  char id[16];		/* Mnemonic ID (for linking with user space info) */
  int parent;		/* Entry# of parent (group) node (-1 if root) */

  void *handler;	/* Internal use */

  char data[64];	/* Misc data (entry type dependent) */

} oss_mixext;

typedef struct oss_mixext_root {
  char id[16];
  char name[48];
} oss_mixext_root;

typedef struct oss_mixer_value
{
	int dev;
	int ctrl;
	int value;
	int flags;	/* Reserved for future use. Initialize to 0 */
	int filler[8];  /* Reserved for future use. Initialize to 0 */
}oss_mixer_value;

#define OSS_SYSINFO			__SIOR ('X', 1, oss_sysinfo)

#define SNDCTL_MIX_NRMIX		__SIOR ('X', 2, int)
#define SNDCTL_MIX_NREXT		__SIOWR('X', 3, int)
#define SNDCTL_MIX_EXTINFO		__SIOWR('X', 4, oss_mixext)
#define SNDCTL_MIX_READ			__SIOWR('X', 5, oss_mixer_value)
#define SNDCTL_MIX_WRITE		__SIOWR('X', 6, oss_mixer_value)

/*
 * Level 2 event types for /dev/sequencer
 */

/*
 * The 4 most significant bits of byte 0 specify the class of