/* * 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); }; extern struct sound_timer_operations default_sound_timer; 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; 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_ */