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/*
* Copyright (c) 2005, Adaptive Digital Technologies, Inc.
*
* File Name: GpakCust.h
*
* Description:
* This file contains host system dependent definitions and prototypes of
* functions to support generic G.PAK API functions. The file is used when
* integrating G.PAK API functions in a specific host processor environment.
*
* Note: This file may need to be modified by the G.PAK system integrator.
*
* Version: 1.0
*
* Revision History:
* 06/15/05 - Initial release.
*
* This program has been released under the terms of the GPL version 2 by
* permission of Adaptive Digital Technologies, Inc.
*
*/
/*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2 as published by the
* Free Software Foundation. See the LICENSE file included with
* this program for more details.
*/
#ifndef _GPAKCUST_H /* prevent multiple inclusion */
#define _GPAKCUST_H
#include <linux/device.h>
#include <linux/completion.h>
#include <linux/workqueue.h>
#include "gpakenum.h"
#include "adt_lec.h"
#define DEBUG_VPMADT032_ECHOCAN (1 << 4)
/* Host and DSP system dependent related definitions. */
#define MAX_DSP_CORES 128 /* maximum number of DSP cores */
#define MAX_CHANNELS 32 /* maximum number of channels */
#define MAX_WAIT_LOOPS 50 /* max number of wait delay loops */
#define DSP_IFBLK_ADDRESS 0x0100 /* DSP address of I/F block pointer */
#define DOWNLOAD_BLOCK_SIZE 512 /* download block size (DSP words) */
#define VPM150M_MAX_COMMANDS 8
#define __VPM150M_RWPAGE (1 << 4)
#define __VPM150M_RD (1 << 3)
#define __VPM150M_WR (1 << 2)
#define __VPM150M_FIN (1 << 1)
#define __VPM150M_TX (1 << 0)
#define __VPM150M_RWPAGE (1 << 4)
#define __VPM150M_RD (1 << 3)
#define __VPM150M_WR (1 << 2)
#define __VPM150M_FIN (1 << 1)
#define __VPM150M_TX (1 << 0)
/* Some Bit ops for different operations */
#define VPM150M_SPIRESET 0
#define VPM150M_HPIRESET 1
#define VPM150M_SWRESET 2
#define VPM150M_DTMFDETECT 3
#define VPM150M_ACTIVE 4
#define NLPTYPE_NONE 0
#define NLPTYPE_MUTE 1
#define NLPTYPE_RANDOM_NOISE 2
#define HOTH_NOISE_NLPTYPE 3
#define NLPTYPE_SUPPRESS 4
#define NLPTYPE_RESERVED 5
#define NLPTYPE_AUTOSUPPRESS 6
#define DEFAULT_NLPTYPE NLPTYPE_AUTOSUPPRESS
/* This is the threshold (in dB) for enabling and disabling of the NLP */
#define DEFAULT_NLPTHRESH 22
#define DEFAULT_NLPMAXSUPP 10
struct vpmadt032_cmd {
struct list_head node;
__le32 address;
__le16 data;
u8 desc;
u8 txident;
struct completion complete;
};
/* Contains the options used when initializing the vpmadt032 module */
struct vpmadt032_options {
int vpmnlptype;
int vpmnlpthresh;
int vpmnlpmaxsupp;
u32 debug;
u32 channels;
};
struct GpakChannelConfig;
struct vpmadt032 {
struct voicebus *vb;
struct work_struct work;
struct workqueue_struct *wq;
int dspid;
struct semaphore sem;
unsigned long control;
unsigned char curpage;
unsigned short version;
struct adt_lec_params curecstate[MAX_CHANNELS];
spinlock_t change_list_lock;
struct list_head change_list;
spinlock_t list_lock;
/* Commands that are waiting to be processed. */
struct list_head pending_cmds;
/* Commands that are currently in progress by the VPM module */
struct list_head active_cmds;
struct vpmadt032_options options;
void (*setchanconfig_from_state)(struct vpmadt032 *vpm, int channel, struct GpakChannelConfig *chanconfig);
/* This must be last */
char wq_name[0];
};
struct voicebus;
struct dahdi_chan;
struct dahdi_echocanparams;
struct dahdi_echocanparam;
struct dahdi_echocan_state;
char vpmadt032tone_to_zaptone(GpakToneCodes_t tone);
int vpmadt032_init(struct vpmadt032 *vpm, struct voicebus *vb);
struct vpmadt032 *vpmadt032_alloc(struct vpmadt032_options *options,
const char *board_name);
void vpmadt032_free(struct vpmadt032 *vpm);
int vpmadt032_echocan_create(struct vpmadt032 *vpm, int channo,
enum adt_companding companding,
struct dahdi_echocanparams *ecp,
struct dahdi_echocanparam *p);
void vpmadt032_echocan_free(struct vpmadt032 *vpm, int channo,
struct dahdi_echocan_state *ec);
struct GpakEcanParms;
void vpmadt032_get_default_parameters(struct GpakEcanParms *p);
/* If there is a command ready to go to the VPMADT032, return it, otherwise NULL */
static inline struct vpmadt032_cmd *vpmadt032_get_ready_cmd(struct vpmadt032 *vpm)
{
unsigned long flags;
struct vpmadt032_cmd *cmd;
spin_lock_irqsave(&vpm->list_lock, flags);
if (list_empty(&vpm->pending_cmds)) {
spin_unlock_irqrestore(&vpm->list_lock, flags);
return NULL;
}
cmd = list_entry(vpm->pending_cmds.next, struct vpmadt032_cmd, node);
if (cmd->desc & __VPM150M_WR)
list_move_tail(&cmd->node, &vpm->active_cmds);
else
list_del_init(&cmd->node);
spin_unlock_irqrestore(&vpm->list_lock, flags);
return cmd;
}
static inline void vpmadt032_resend(struct vpmadt032 *vpm)
{
unsigned long flags;
struct vpmadt032_cmd *cmd, *temp;
BUG_ON(!vpm);
/* By moving the commands back to the pending list, they will be
* transmitted when room is available */
spin_lock_irqsave(&vpm->list_lock, flags);
list_for_each_entry_safe(cmd, temp, &vpm->active_cmds, node) {
cmd->desc &= ~(__VPM150M_TX);
list_move_tail(&cmd->node, &vpm->pending_cmds);
}
spin_unlock_irqrestore(&vpm->list_lock, flags);
}
int vpmadt032_module_init(void);
typedef __u16 DSP_WORD; /* 16 bit DSP word */
typedef __u32 DSP_ADDRESS; /* 32 bit DSP address */
typedef __u32 GPAK_FILE_ID; /* G.PAK Download file identifier */
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* gpakReadDspMemory - Read DSP memory.
*
* FUNCTION
* This function reads a contiguous block of words from DSP memory starting at
* the specified address.
*
* RETURNS
* nothing
*
*/
extern void gpakReadDspMemory(
unsigned short int DspId, /* DSP Identifier (0 to MAX_DSP_CORES-1) */
DSP_ADDRESS DspAddress, /* DSP's memory address of first word */
unsigned int NumWords, /* number of contiguous words to read */
DSP_WORD *pWordValues /* pointer to array of word values variable */
);
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* gpakWriteDspMemory - Write DSP memory.
*
* FUNCTION
* This function writes a contiguous block of words to DSP memory starting at
* the specified address.
*
* RETURNS
* nothing
*
*/
extern void gpakWriteDspMemory(
unsigned short int DspId, /* DSP Identifier (0 to MAX_DSP_CORES-1) */
DSP_ADDRESS DspAddress, /* DSP's memory address of first word */
unsigned int NumWords, /* number of contiguous words to write */
DSP_WORD *pWordValues /* pointer to array of word values to write */
);
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* gpakHostDelay - Delay for a fixed time interval.
*
* FUNCTION
* This function delays for a fixed time interval before returning. The time
* interval is the Host Port Interface sampling period when polling a DSP for
* replies to command messages.
*
* RETURNS
* nothing
*
*/
extern void gpakHostDelay(void);
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* gpakLockAccess - Lock access to the specified DSP.
*
* FUNCTION
* This function aquires exclusive access to the specified DSP.
*
* RETURNS
* nothing
*
*/
extern void gpakLockAccess(
unsigned short int DspId /* DSP Identifier (0 to MAX_DSP_CORES-1) */
);
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* gpakUnlockAccess - Unlock access to the specified DSP.
*
* FUNCTION
* This function releases exclusive access to the specified DSP.
*
* RETURNS
* nothing
*
*/
extern void gpakUnlockAccess(
unsigned short int DspId /* DSP Identifier (0 to MAX_DSP_CORES-1) */
);
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* gpakReadFile - Read a block of bytes from a G.PAK Download file.
*
* FUNCTION
* This function reads a contiguous block of bytes from a G.PAK Download file
* starting at the current file position.
*
* RETURNS
* The number of bytes read from the file.
* -1 indicates an error occurred.
* 0 indicates all bytes have been read (end of file)
*
*/
extern int gpakReadFile(
GPAK_FILE_ID FileId, /* G.PAK Download File Identifier */
unsigned char *pBuffer, /* pointer to buffer for storing bytes */
unsigned int NumBytes /* number of bytes to read */
);
#endif /* prevent multiple inclusion */
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