diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/isdn/mISDN/dsp.h')
| -rw-r--r-- | ANDROID_3.4.5/drivers/isdn/mISDN/dsp.h | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/ANDROID_3.4.5/drivers/isdn/mISDN/dsp.h b/ANDROID_3.4.5/drivers/isdn/mISDN/dsp.h deleted file mode 100644 index afe4173a..00000000 --- a/ANDROID_3.4.5/drivers/isdn/mISDN/dsp.h +++ /dev/null @@ -1,275 +0,0 @@ -/* - * Audio support data for ISDN4Linux. - * - * Copyright 2002/2003 by Andreas Eversberg (jolly@eversberg.eu) - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - * - */ - -#define DEBUG_DSP_CTRL 0x0001 -#define DEBUG_DSP_CORE 0x0002 -#define DEBUG_DSP_DTMF 0x0004 -#define DEBUG_DSP_CMX 0x0010 -#define DEBUG_DSP_TONE 0x0020 -#define DEBUG_DSP_BLOWFISH 0x0040 -#define DEBUG_DSP_DELAY 0x0100 -#define DEBUG_DSP_CLOCK 0x0200 -#define DEBUG_DSP_DTMFCOEFF 0x8000 /* heavy output */ - -/* options may be: - * - * bit 0 = use ulaw instead of alaw - * bit 1 = enable hfc hardware acceleration for all channels - * - */ -#define DSP_OPT_ULAW (1 << 0) -#define DSP_OPT_NOHARDWARE (1 << 1) - -#include <linux/timer.h> -#include <linux/workqueue.h> - -#include "dsp_ecdis.h" - -extern int dsp_options; -extern int dsp_debug; -extern int dsp_poll; -extern int dsp_tics; -extern spinlock_t dsp_lock; -extern struct work_struct dsp_workq; -extern u32 dsp_poll_diff; /* calculated fix-comma corrected poll value */ - -/*************** - * audio stuff * - ***************/ - -extern s32 dsp_audio_alaw_to_s32[256]; -extern s32 dsp_audio_ulaw_to_s32[256]; -extern s32 *dsp_audio_law_to_s32; -extern u8 dsp_audio_s16_to_law[65536]; -extern u8 dsp_audio_alaw_to_ulaw[256]; -extern u8 dsp_audio_mix_law[65536]; -extern u8 dsp_audio_seven2law[128]; -extern u8 dsp_audio_law2seven[256]; -extern void dsp_audio_generate_law_tables(void); -extern void dsp_audio_generate_s2law_table(void); -extern void dsp_audio_generate_seven(void); -extern void dsp_audio_generate_mix_table(void); -extern void dsp_audio_generate_ulaw_samples(void); -extern void dsp_audio_generate_volume_changes(void); -extern u8 dsp_silence; - - -/************* - * cmx stuff * - *************/ - -#define MAX_POLL 256 /* maximum number of send-chunks */ - -#define CMX_BUFF_SIZE 0x8000 /* must be 2**n (0x1000 about 1/2 second) */ -#define CMX_BUFF_HALF 0x4000 /* CMX_BUFF_SIZE / 2 */ -#define CMX_BUFF_MASK 0x7fff /* CMX_BUFF_SIZE - 1 */ - -/* how many seconds will we check the lowest delay until the jitter buffer - is reduced by that delay */ -#define MAX_SECONDS_JITTER_CHECK 5 - -extern struct timer_list dsp_spl_tl; -extern u32 dsp_spl_jiffies; - -/* the structure of conferences: - * - * each conference has a unique number, given by user space. - * the conferences are linked in a chain. - * each conference has members linked in a chain. - * each dsplayer points to a member, each member points to a dsplayer. - */ - -/* all members within a conference (this is linked 1:1 with the dsp) */ -struct dsp; -struct dsp_conf_member { - struct list_head list; - struct dsp *dsp; -}; - -/* the list of all conferences */ -struct dsp_conf { - struct list_head list; - u32 id; - /* all cmx stacks with the same ID are - connected */ - struct list_head mlist; - int software; /* conf is processed by software */ - int hardware; /* conf is processed by hardware */ - /* note: if both unset, has only one member */ -}; - - -/************** - * DTMF stuff * - **************/ - -#define DSP_DTMF_NPOINTS 102 - -#define ECHOCAN_BUFF_SIZE 0x400 /* must be 2**n */ -#define ECHOCAN_BUFF_MASK 0x3ff /* -1 */ - -struct dsp_dtmf { - int enable; /* dtmf is enabled */ - int treshold; /* above this is dtmf (square of) */ - int software; /* dtmf uses software decoding */ - int hardware; /* dtmf uses hardware decoding */ - int size; /* number of bytes in buffer */ - signed short buffer[DSP_DTMF_NPOINTS]; - /* buffers one full dtmf frame */ - u8 lastwhat, lastdigit; - int count; - u8 digits[16]; /* dtmf result */ -}; - - -/****************** - * pipeline stuff * - ******************/ -struct dsp_pipeline { - rwlock_t lock; - struct list_head list; - int inuse; -}; - -/*************** - * tones stuff * - ***************/ - -struct dsp_tone { - int software; /* tones are generated by software */ - int hardware; /* tones are generated by hardware */ - int tone; - void *pattern; - int count; - int index; - struct timer_list tl; -}; - -/*************** - * echo stuff * - ***************/ - -struct dsp_echo { - int software; /* echo is generated by software */ - int hardware; /* echo is generated by hardware */ -}; - -/***************** - * general stuff * - *****************/ - -struct dsp { - struct list_head list; - struct mISDNchannel ch; - struct mISDNchannel *up; - unsigned char name[64]; - int b_active; - struct dsp_echo echo; - int rx_disabled; /* what the user wants */ - int rx_is_off; /* what the card is */ - int tx_mix; - struct dsp_tone tone; - struct dsp_dtmf dtmf; - int tx_volume, rx_volume; - - /* queue for sending frames */ - struct work_struct workq; - struct sk_buff_head sendq; - int hdlc; /* if mode is hdlc */ - int data_pending; /* currently an unconfirmed frame */ - - /* conference stuff */ - u32 conf_id; - struct dsp_conf *conf; - struct dsp_conf_member - *member; - - /* buffer stuff */ - int rx_W; /* current write pos for data without timestamp */ - int rx_R; /* current read pos for transmit clock */ - int rx_init; /* if set, pointers will be adjusted first */ - int tx_W; /* current write pos for transmit data */ - int tx_R; /* current read pos for transmit clock */ - int rx_delay[MAX_SECONDS_JITTER_CHECK]; - int tx_delay[MAX_SECONDS_JITTER_CHECK]; - u8 tx_buff[CMX_BUFF_SIZE]; - u8 rx_buff[CMX_BUFF_SIZE]; - int last_tx; /* if set, we transmitted last poll interval */ - int cmx_delay; /* initial delay of buffers, - or 0 for dynamic jitter buffer */ - int tx_dejitter; /* if set, dejitter tx buffer */ - int tx_data; /* enables tx-data of CMX to upper layer */ - - /* hardware stuff */ - struct dsp_features features; - int features_rx_off; /* set if rx_off is featured */ - int features_fill_empty; /* set if fill_empty is featured */ - int pcm_slot_rx; /* current PCM slot (or -1) */ - int pcm_bank_rx; - int pcm_slot_tx; - int pcm_bank_tx; - int hfc_conf; /* unique id of current conference (or -1) */ - - /* encryption stuff */ - int bf_enable; - u32 bf_p[18]; - u32 bf_s[1024]; - int bf_crypt_pos; - u8 bf_data_in[9]; - u8 bf_crypt_out[9]; - int bf_decrypt_in_pos; - int bf_decrypt_out_pos; - u8 bf_crypt_inring[16]; - u8 bf_data_out[9]; - int bf_sync; - - struct dsp_pipeline - pipeline; -}; - -/* functions */ - -extern void dsp_change_volume(struct sk_buff *skb, int volume); - -extern struct list_head dsp_ilist; -extern struct list_head conf_ilist; -extern void dsp_cmx_debug(struct dsp *dsp); -extern void dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp); -extern int dsp_cmx_conf(struct dsp *dsp, u32 conf_id); -extern void dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb); -extern void dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb); -extern void dsp_cmx_send(void *arg); -extern void dsp_cmx_transmit(struct dsp *dsp, struct sk_buff *skb); -extern int dsp_cmx_del_conf_member(struct dsp *dsp); -extern int dsp_cmx_del_conf(struct dsp_conf *conf); - -extern void dsp_dtmf_goertzel_init(struct dsp *dsp); -extern void dsp_dtmf_hardware(struct dsp *dsp); -extern u8 *dsp_dtmf_goertzel_decode(struct dsp *dsp, u8 *data, int len, - int fmt); - -extern int dsp_tone(struct dsp *dsp, int tone); -extern void dsp_tone_copy(struct dsp *dsp, u8 *data, int len); -extern void dsp_tone_timeout(void *arg); - -extern void dsp_bf_encrypt(struct dsp *dsp, u8 *data, int len); -extern void dsp_bf_decrypt(struct dsp *dsp, u8 *data, int len); -extern int dsp_bf_init(struct dsp *dsp, const u8 *key, unsigned int keylen); -extern void dsp_bf_cleanup(struct dsp *dsp); - -extern int dsp_pipeline_module_init(void); -extern void dsp_pipeline_module_exit(void); -extern int dsp_pipeline_init(struct dsp_pipeline *pipeline); -extern void dsp_pipeline_destroy(struct dsp_pipeline *pipeline); -extern int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg); -extern void dsp_pipeline_process_tx(struct dsp_pipeline *pipeline, u8 *data, - int len); -extern void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, - int len, unsigned int txlen); |