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Diffstat (limited to 'sound/oss/dev_table.h')
| -rw-r--r-- | sound/oss/dev_table.h | 405 |
1 files changed, 405 insertions, 0 deletions
diff --git a/sound/oss/dev_table.h b/sound/oss/dev_table.h new file mode 100644 index 0000000..adf1d62 --- /dev/null +++ b/sound/oss/dev_table.h @@ -0,0 +1,405 @@ +/* + * dev_table.h + * + * Global definitions for device call tables + * + * + * Copyright (C) by Hannu Savolainen 1993-1997 + * + * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL) + * Version 2 (June 1991). See the "COPYING" file distributed with this software + * for more info. + */ + + +#ifndef _DEV_TABLE_H_ +#define _DEV_TABLE_H_ + +#include <linux/spinlock.h> +/* + * Sound card numbers 27 to 999. (1 to 26 are defined in soundcard.h) + * Numbers 1000 to N are reserved for driver's internal use. + */ + +#define SNDCARD_DESKPROXL 27 /* Compaq Deskpro XL */ +#define SNDCARD_VIDC 28 /* ARMs VIDC */ +#define SNDCARD_SBPNP 29 +#define SNDCARD_SOFTOSS 36 +#define SNDCARD_VMIDI 37 +#define SNDCARD_OPL3SA1 38 /* Note: clash in msnd.h */ +#define SNDCARD_OPL3SA1_SB 39 +#define SNDCARD_OPL3SA1_MPU 40 +#define SNDCARD_WAVEFRONT 41 +#define SNDCARD_OPL3SA2 42 +#define SNDCARD_OPL3SA2_MPU 43 +#define SNDCARD_WAVEARTIST 44 /* Waveartist */ +#define SNDCARD_OPL3SA2_MSS 45 /* Originally missed */ +#define SNDCARD_AD1816 88 + +/* + * NOTE! NOTE! NOTE! NOTE! + * + * If you modify this file, please check the dev_table.c also. + * + * NOTE! NOTE! NOTE! NOTE! + */ + +struct driver_info +{ + char *driver_id; + int card_subtype; /* Driver specific. Usually 0 */ + int card_type; /* From soundcard.h */ + char *name; + void (*attach) (struct address_info *hw_config); + int (*probe) (struct address_info *hw_config); + void (*unload) (struct address_info *hw_config); +}; + +struct card_info +{ + int card_type; /* Link (search key) to the driver list */ + struct address_info config; + int enabled; + void *for_driver_use; +}; + + +/* + * Device specific parameters (used only by dmabuf.c) + */ +#define MAX_SUB_BUFFERS (32*MAX_REALTIME_FACTOR) + +#define DMODE_NONE 0 +#define DMODE_OUTPUT PCM_ENABLE_OUTPUT +#define DMODE_INPUT PCM_ENABLE_INPUT + +struct dma_buffparms +{ + int dma_mode; /* DMODE_INPUT, DMODE_OUTPUT or DMODE_NONE */ + int closing; + + /* + * Pointers to raw buffers + */ + + char *raw_buf; + unsigned long raw_buf_phys; + int buffsize; + + /* + * Device state tables + */ + + unsigned long flags; +#define DMA_BUSY 0x00000001 +#define DMA_RESTART 0x00000002 +#define DMA_ACTIVE 0x00000004 +#define DMA_STARTED 0x00000008 +#define DMA_EMPTY 0x00000010 +#define DMA_ALLOC_DONE 0x00000020 +#define DMA_SYNCING 0x00000040 +#define DMA_DIRTY 0x00000080 +#define DMA_POST 0x00000100 +#define DMA_NODMA 0x00000200 +#define DMA_NOTIMEOUT 0x00000400 + + int open_mode; + + /* + * Queue parameters. + */ + int qlen; + int qhead; + int qtail; + spinlock_t lock; + + int cfrag; /* Current incomplete fragment (write) */ + + int nbufs; + int counts[MAX_SUB_BUFFERS]; + int subdivision; + + int fragment_size; + int needs_reorg; + int max_fragments; + + int bytes_in_use; + + int underrun_count; + unsigned long byte_counter; + unsigned long user_counter; + unsigned long max_byte_counter; + int data_rate; /* Bytes/second */ + + int mapping_flags; +#define DMA_MAP_MAPPED 0x00000001 + char neutral_byte; + int dma; /* DMA channel */ + + int applic_profile; /* Application profile (APF_*) */ + /* Interrupt callback stuff */ + void (*audio_callback) (int dev, int parm); + int callback_parm; + + int buf_flags[MAX_SUB_BUFFERS]; +#define BUFF_EOF 0x00000001 /* Increment eof count */ +#define BUFF_DIRTY 0x00000002 /* Buffer written */ +}; + +/* + * Structure for use with various microcontrollers and DSP processors + * in the recent sound cards. + */ +typedef struct coproc_operations +{ + char name[64]; + struct module *owner; + int (*open) (void *devc, int sub_device); + void (*close) (void *devc, int sub_device); + int (*ioctl) (void *devc, unsigned int cmd, void __user * arg, int local); + void (*reset) (void *devc); + + void *devc; /* Driver specific info */ +} coproc_operations; + +struct audio_driver +{ + struct module *owner; + int (*open) (int dev, int mode); + void (*close) (int dev); + void (*output_block) (int dev, unsigned long buf, + int count, int intrflag); + void (*start_input) (int dev, unsigned long buf, + int count, int intrflag); + int (*ioctl) (int dev, unsigned int cmd, void __user * arg); + int (*prepare_for_input) (int dev, int bufsize, int nbufs); + int (*prepare_for_output) (int dev, int bufsize, int nbufs); + void (*halt_io) (int dev); + int (*local_qlen)(int dev); + void (*copy_user) (int dev, + char *localbuf, int localoffs, + const char __user *userbuf, int useroffs, + int max_in, int max_out, + int *used, int *returned, + int len); + void (*halt_input) (int dev); + void (*halt_output) (int dev); + void (*trigger) (int dev, int bits); + int (*set_speed)(int dev, int speed); + unsigned int (*set_bits)(int dev, unsigned int bits); + short (*set_channels)(int dev, short channels); + void (*postprocess_write)(int dev); /* Device spesific postprocessing for written data */ + void (*preprocess_read)(int dev); /* Device spesific preprocessing for read data */ + void (*mmap)(int dev); +}; + +struct audio_operations +{ + char name[128]; + int flags; +#define NOTHING_SPECIAL 0x00 +#define NEEDS_RESTART 0x01 +#define DMA_AUTOMODE 0x02 +#define DMA_DUPLEX 0x04 +#define DMA_PSEUDO_AUTOMODE 0x08 +#define DMA_HARDSTOP 0x10 +#define DMA_EXACT 0x40 +#define DMA_NORESET 0x80 + int format_mask; /* Bitmask for supported audio formats */ + void *devc; /* Driver specific info */ + struct audio_driver *d; + void *portc; /* Driver specific info */ + struct dma_buffparms *dmap_in, *dmap_out; + struct coproc_operations *coproc; + int mixer_dev; + int enable_bits; + int open_mode; + int go; + int min_fragment; /* 0 == unlimited */ + int max_fragment; /* 0 == unlimited */ + int parent_dev; /* 0 -> no parent, 1 to n -> parent=parent_dev+1 */ + + /* fields formerly in dmabuf.c */ + wait_queue_head_t in_sleeper; + wait_queue_head_t out_sleeper; + wait_queue_head_t poll_sleeper; + + /* fields formerly in audio.c */ + int audio_mode; + +#define AM_NONE 0 +#define AM_WRITE OPEN_WRITE +#define AM_READ OPEN_READ + + int local_format; + int audio_format; + int local_conversion; +#define CNV_MU_LAW 0x00000001 + + /* large structures at the end to keep offsets small */ + struct dma_buffparms dmaps[2]; +}; + +int *load_mixer_volumes(char *name, int *levels, int present); + +struct mixer_operations +{ + struct module *owner; + char id[16]; + char name[64]; + int (*ioctl) (int dev, unsigned int cmd, void __user * arg); + + void *devc; + int modify_counter; +}; + +struct synth_operations +{ + struct module *owner; + char *id; /* Unique identifier (ASCII) max 29 char */ + struct synth_info *info; + int midi_dev; + int synth_type; + int synth_subtype; + + int (*open) (int dev, int mode); + void (*close) (int dev); + int (*ioctl) (int dev, unsigned int cmd, void __user * arg); + int (*kill_note) (int dev, int voice, int note, int velocity); + int (*start_note) (int dev, int voice, int note, int velocity); + int (*set_instr) (int dev, int voice, int instr); + void (*reset) (int dev); + void (*hw_control) (int dev, unsigned char *event); + int (*load_patch) (int dev, int format, const char __user *addr, + int offs, int count, int pmgr_flag); + void (*aftertouch) (int dev, int voice, int pressure); + void (*controller) (int dev, int voice, int ctrl_num, int value); + void (*panning) (int dev, int voice, int value); + void (*volume_method) (int dev, int mode); + void (*bender) (int dev, int chn, int value); + int (*alloc_voice) (int dev, int chn, int note, struct voice_alloc_info *alloc); + void (*setup_voice) (int dev, int voice, int chn); + int (*send_sysex)(int dev, unsigned char *bytes, int len); + + struct voice_alloc_info alloc; + struct channel_info chn_info[16]; + int emulation; +#define EMU_GM 1 /* General MIDI */ +#define EMU_XG 2 /* Yamaha XG */ +#define MAX_SYSEX_BUF 64 + unsigned char sysex_buf[MAX_SYSEX_BUF]; + int sysex_ptr; +}; + +struct midi_input_info +{ + /* MIDI input scanner variables */ +#define MI_MAX 10 + volatile int m_busy; + unsigned char m_buf[MI_MAX]; + unsigned char m_prev_status; /* For running status */ + int m_ptr; +#define MST_INIT 0 +#define MST_DATA 1 +#define MST_SYSEX 2 + int m_state; + int m_left; +}; + +struct midi_operations +{ + struct module *owner; + struct midi_info info; + struct synth_operations *converter; + struct midi_input_info in_info; + int (*open) (int dev, int mode, + void (*inputintr)(int dev, unsigned char data), + void (*outputintr)(int dev) + ); + void (*close) (int dev); + int (*ioctl) (int dev, unsigned int cmd, void __user * arg); + int (*outputc) (int dev, unsigned char data); + int (*start_read) (int dev); + int (*end_read) (int dev); + void (*kick)(int dev); + int (*command) (int dev, unsigned char *data); + int (*buffer_status) (int dev); + int (*prefix_cmd) (int dev, unsigned char status); + struct coproc_operations *coproc; + void *devc; +}; + +struct sound_lowlev_timer +{ + int dev; + int priority; + unsigned int (*tmr_start)(int dev, unsigned int usecs); + void (*tmr_disable)(int dev); + void (*tmr_restart)(int dev); +}; + +struct sound_timer_operations +{ + struct module *owner; + struct sound_timer_info info; + int priority; + int devlink; + int (*open)(int dev, int mode); + void (*close)(int dev); + int (*event)(int dev, unsigned char *ev); + unsigned long (*get_time)(int dev); + int (*ioctl) (int dev, unsigned int cmd, void __user * arg); + void (*arm_timer)(int dev, long time); +}; + +#ifdef _DEV_TABLE_C_ +struct audio_operations *audio_devs[MAX_AUDIO_DEV]; +int num_audiodevs; +struct mixer_operations *mixer_devs[MAX_MIXER_DEV]; +int num_mixers; +struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV]; +int num_synths; +struct midi_operations *midi_devs[MAX_MIDI_DEV]; +int num_midis; + +extern struct sound_timer_operations default_sound_timer; +struct sound_timer_operations *sound_timer_devs[MAX_TIMER_DEV] = { + &default_sound_timer, NULL +}; +int num_sound_timers = 1; +#else +extern struct audio_operations *audio_devs[MAX_AUDIO_DEV]; +extern int num_audiodevs; +extern struct mixer_operations *mixer_devs[MAX_MIXER_DEV]; +extern int num_mixers; +extern struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV]; +extern int num_synths; +extern struct midi_operations *midi_devs[MAX_MIDI_DEV]; +extern int num_midis; +extern struct sound_timer_operations * sound_timer_devs[MAX_TIMER_DEV]; +extern int num_sound_timers; +#endif /* _DEV_TABLE_C_ */ + +extern int sound_map_buffer (int dev, struct dma_buffparms *dmap, buffmem_desc *info); +void sound_timer_init (struct sound_lowlev_timer *t, char *name); +void sound_dma_intr (int dev, struct dma_buffparms *dmap, int chan); + +#define AUDIO_DRIVER_VERSION 2 +#define MIXER_DRIVER_VERSION 2 +int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver, + int driver_size, int flags, unsigned int format_mask, + void *devc, int dma1, int dma2); +int sound_install_mixer(int vers, char *name, struct mixer_operations *driver, + int driver_size, void *devc); + +void sound_unload_audiodev(int dev); +void sound_unload_mixerdev(int dev); +void sound_unload_mididev(int dev); +void sound_unload_synthdev(int dev); +void sound_unload_timerdev(int dev); +int sound_alloc_mixerdev(void); +int sound_alloc_timerdev(void); +int sound_alloc_synthdev(void); +int sound_alloc_mididev(void); +#endif /* _DEV_TABLE_H_ */ + |
