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