#include <linux/timer.h>
#include <linux/workqueue.h>
#include "dsp_ecdis.h"

Data Structures
struct	dsp_conf_member

struct	dsp_conf

struct	dsp_dtmf

struct	dsp_pipeline

struct	dsp_tone

struct	dsp_echo

struct	dsp

Macros
#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 */

#define	DSP_OPT_ULAW (1 << 0)

#define	DSP_OPT_NOHARDWARE (1 << 1)

#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 */

#define	MAX_SECONDS_JITTER_CHECK 5

#define	DSP_DTMF_NPOINTS 102

#define	ECHOCAN_BUFF_SIZE 0x400 /* must be 2*n /

#define	ECHOCAN_BUFF_MASK 0x3ff /* -1 */

Functions
void	dsp_audio_generate_law_tables (void)

void	dsp_audio_generate_s2law_table (void)

void	dsp_audio_generate_seven (void)

void	dsp_audio_generate_mix_table (void)

void	dsp_audio_generate_ulaw_samples (void)

void	dsp_audio_generate_volume_changes (void)

void	dsp_change_volume (struct sk_buff *skb, int volume)

void	dsp_cmx_debug (struct dsp *dsp)

void	dsp_cmx_hardware (struct dsp_conf conf, struct dsp dsp)

int	dsp_cmx_conf (struct dsp *dsp, u32 conf_id)

void	dsp_cmx_receive (struct dsp dsp, struct sk_buff skb)

void	dsp_cmx_hdlc (struct dsp dsp, struct sk_buff skb)

void	dsp_cmx_send (void *arg)

void	dsp_cmx_transmit (struct dsp dsp, struct sk_buff skb)

int	dsp_cmx_del_conf_member (struct dsp *dsp)

int	dsp_cmx_del_conf (struct dsp_conf *conf)

void	dsp_dtmf_goertzel_init (struct dsp *dsp)

void	dsp_dtmf_hardware (struct dsp *dsp)

u8 *	dsp_dtmf_goertzel_decode (struct dsp dsp, u8 data, int len, int fmt)

int	dsp_tone (struct dsp *dsp, int tone)

void	dsp_tone_copy (struct dsp dsp, u8 data, int len)

void	dsp_tone_timeout (void *arg)

void	dsp_bf_encrypt (struct dsp dsp, u8 data, int len)

void	dsp_bf_decrypt (struct dsp dsp, u8 data, int len)

int	dsp_bf_init (struct dsp dsp, const u8 key, unsigned int keylen)

void	dsp_bf_cleanup (struct dsp *dsp)

int	dsp_pipeline_module_init (void)

void	dsp_pipeline_module_exit (void)

int	dsp_pipeline_init (struct dsp_pipeline *pipeline)

void	dsp_pipeline_destroy (struct dsp_pipeline *pipeline)

int	dsp_pipeline_build (struct dsp_pipeline pipeline, const char cfg)

void	dsp_pipeline_process_tx (struct dsp_pipeline pipeline, u8 data, int len)

void	dsp_pipeline_process_rx (struct dsp_pipeline pipeline, u8 data, int len, unsigned int txlen)

Variables
int	dsp_options

int	dsp_debug

int	dsp_poll

int	dsp_tics

spinlock_t	dsp_lock

struct work_struct	dsp_workq

u32	dsp_poll_diff

s32	dsp_audio_alaw_to_s32 [256]

s32	dsp_audio_ulaw_to_s32 [256]

s32 *	dsp_audio_law_to_s32

u8	dsp_audio_s16_to_law [65536]

u8	dsp_audio_alaw_to_ulaw [256]

u8	dsp_audio_mix_law [65536]

u8	dsp_audio_seven2law [128]

u8	dsp_audio_law2seven [256]

u8	dsp_silence

struct timer_list	dsp_spl_tl

unsigned long	dsp_spl_jiffies

struct list_head	dsp_ilist

struct list_head	conf_ilist

Macro Definition Documentation

#define CMX_BUFF_HALF 0x4000 /* CMX_BUFF_SIZE / 2 */

Definition at line 71 of file dsp.h.

#define CMX_BUFF_MASK 0x7fff /* CMX_BUFF_SIZE - 1 */

Definition at line 72 of file dsp.h.

#define CMX_BUFF_SIZE 0x8000 /* must be 2**n (0x1000 about 1/2 second) */

Definition at line 70 of file dsp.h.

#define DEBUG_DSP_BLOWFISH 0x0040

Definition at line 16 of file dsp.h.

#define DEBUG_DSP_CLOCK 0x0200

Definition at line 18 of file dsp.h.

#define DEBUG_DSP_CMX 0x0010

Definition at line 14 of file dsp.h.

#define DEBUG_DSP_CORE 0x0002

Definition at line 12 of file dsp.h.

#define DEBUG_DSP_CTRL 0x0001

Definition at line 11 of file dsp.h.

#define DEBUG_DSP_DELAY 0x0100

Definition at line 17 of file dsp.h.

#define DEBUG_DSP_DTMF 0x0004

Definition at line 13 of file dsp.h.

#define DEBUG_DSP_DTMFCOEFF 0x8000 /* heavy output */

Definition at line 19 of file dsp.h.

#define DEBUG_DSP_TONE 0x0020

Definition at line 15 of file dsp.h.

#define DSP_DTMF_NPOINTS 102

Definition at line 115 of file dsp.h.

#define DSP_OPT_NOHARDWARE (1 << 1)

Definition at line 28 of file dsp.h.

#define DSP_OPT_ULAW (1 << 0)

Definition at line 27 of file dsp.h.

#define ECHOCAN_BUFF_MASK 0x3ff /* -1 */

Definition at line 118 of file dsp.h.

#define ECHOCAN_BUFF_SIZE 0x400 /* must be 2**n */

Definition at line 117 of file dsp.h.

#define MAX_POLL 256 /* maximum number of send-chunks */

Definition at line 68 of file dsp.h.

#define MAX_SECONDS_JITTER_CHECK 5

Definition at line 76 of file dsp.h.

Function Documentation

void dsp_audio_generate_law_tables ( void )

Definition at line 153 of file dsp_audio.c.

void dsp_audio_generate_mix_table ( void )

Definition at line 251 of file dsp_audio.c.

void dsp_audio_generate_s2law_table ( void )

Definition at line 171 of file dsp_audio.c.

void dsp_audio_generate_seven ( void )

Definition at line 203 of file dsp_audio.c.

void dsp_audio_generate_ulaw_samples ( void )

Definition at line 214 of file dsp_tones.c.

void dsp_audio_generate_volume_changes ( void )

Definition at line 316 of file dsp_audio.c.

void dsp_bf_cleanup ( struct dsp * dsp )

Definition at line 669 of file dsp_blowfish.c.

void dsp_bf_decrypt	(	struct dsp *	dsp,
		u8 *	data,
		int	len
	)

Definition at line 458 of file dsp_blowfish.c.

void dsp_bf_encrypt	(	struct dsp *	dsp,
		u8 *	data,
		int	len
	)

Definition at line 369 of file dsp_blowfish.c.

int dsp_bf_init	(	struct dsp *	dsp,
		const u8 *	key,
		unsigned int	keylen
	)

Definition at line 599 of file dsp_blowfish.c.

void dsp_change_volume	(	struct sk_buff *	skb,
		int	volume
	)

Definition at line 403 of file dsp_audio.c.

int dsp_cmx_conf	(	struct dsp *	dsp,
		u32	conf_id
	)

Definition at line 1064 of file dsp_cmx.c.

void dsp_cmx_debug ( struct dsp * dsp )

Definition at line 159 of file dsp_cmx.c.

int dsp_cmx_del_conf ( struct dsp_conf * conf )

Definition at line 337 of file dsp_cmx.c.

int dsp_cmx_del_conf_member ( struct dsp * dsp )

Definition at line 265 of file dsp_cmx.c.

void dsp_cmx_hardware	(	struct dsp_conf *	conf,
		struct dsp *	dsp
	)

Definition at line 384 of file dsp_cmx.c.

void dsp_cmx_hdlc	(	struct dsp *	dsp,
		struct sk_buff *	skb
	)

Definition at line 1921 of file dsp_cmx.c.

void dsp_cmx_receive	(	struct dsp *	dsp,
		struct sk_buff *	skb
	)

Definition at line 1182 of file dsp_cmx.c.

void dsp_cmx_send ( void * arg )

Definition at line 1632 of file dsp_cmx.c.

void dsp_cmx_transmit	(	struct dsp *	dsp,
		struct sk_buff *	skb
	)

Definition at line 1864 of file dsp_cmx.c.

u8* dsp_dtmf_goertzel_decode	(	struct dsp *	dsp,
		u8 *	data,
		int	len,
		int	fmt
	)

Definition at line 118 of file dsp_dtmf.c.

void dsp_dtmf_goertzel_init ( struct dsp * dsp )

Definition at line 40 of file dsp_dtmf.c.

void dsp_dtmf_hardware ( struct dsp * dsp )

Definition at line 50 of file dsp_dtmf.c.

int dsp_pipeline_build	(	struct dsp_pipeline *	pipeline,
		const char *	cfg
	)

Definition at line 236 of file dsp_pipeline.c.

void dsp_pipeline_destroy ( struct dsp_pipeline * pipeline )

Definition at line 223 of file dsp_pipeline.c.

int dsp_pipeline_init ( struct dsp_pipeline * pipeline )

Definition at line 194 of file dsp_pipeline.c.

void dsp_pipeline_module_exit ( void )

Definition at line 174 of file dsp_pipeline.c.

int dsp_pipeline_module_init ( void )

Definition at line 159 of file dsp_pipeline.c.

void dsp_pipeline_process_rx	(	struct dsp_pipeline *	pipeline,
		u8 *	data,
		int	len,
		unsigned int	txlen
	)

Definition at line 351 of file dsp_pipeline.c.

void dsp_pipeline_process_tx	(	struct dsp_pipeline *	pipeline,
		u8 *	data,
		int	len
	)

Definition at line 339 of file dsp_pipeline.c.

int dsp_tone	(	struct dsp *	dsp,
		int	tone
	)

Definition at line 497 of file dsp_tones.c.

void dsp_tone_copy	(	struct dsp *	dsp,
		u8 *	data,
		int	len
	)

Definition at line 375 of file dsp_tones.c.

void dsp_tone_timeout ( void * arg )

Definition at line 460 of file dsp_tones.c.

Variable Documentation

struct list_head conf_ilist

Definition at line 183 of file dsp_core.c.

s32 dsp_audio_alaw_to_s32[256]

Definition at line 22 of file dsp_audio.c.

u8 dsp_audio_alaw_to_ulaw[256]

Definition at line 32 of file dsp_audio.c.

u8 dsp_audio_law2seven[256]

Definition at line 196 of file dsp_audio.c.

s32* dsp_audio_law_to_s32

Definition at line 24 of file dsp_audio.c.

u8 dsp_audio_mix_law[65536]

Definition at line 244 of file dsp_audio.c.

u8 dsp_audio_s16_to_law[65536]

Definition at line 28 of file dsp_audio.c.

u8 dsp_audio_seven2law[128]

Definition at line 195 of file dsp_audio.c.

s32 dsp_audio_ulaw_to_s32[256]

Definition at line 20 of file dsp_audio.c.

int dsp_debug

Definition at line 184 of file dsp_core.c.

struct list_head dsp_ilist

Definition at line 182 of file dsp_core.c.

spinlock_t dsp_lock

Definition at line 181 of file dsp_core.c.

int dsp_options

Definition at line 185 of file dsp_core.c.

int dsp_poll

Definition at line 186 of file dsp_core.c.

u32 dsp_poll_diff

u8 dsp_silence

Definition at line 35 of file dsp_audio.c.

unsigned long dsp_spl_jiffies

Definition at line 1627 of file dsp_cmx.c.

struct timer_list dsp_spl_tl

Definition at line 1626 of file dsp_cmx.c.

int dsp_tics

Definition at line 186 of file dsp_core.c.

struct work_struct dsp_workq

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation