--- /dev/null
+/*
+ * 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 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_ */
+
Code Review / kvmfornfv.git / blobdiff