302 lines
8.8 KiB
C
302 lines
8.8 KiB
C
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/*
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* Copyright (c) 2005, Adaptive Digital Technologies, Inc.
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*
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* File Name: GpakCust.h
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*
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* Description:
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* This file contains host system dependent definitions and prototypes of
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* functions to support generic G.PAK API functions. The file is used when
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* integrating G.PAK API functions in a specific host processor environment.
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*
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* Note: This file may need to be modified by the G.PAK system integrator.
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*
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* Version: 1.0
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*
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* Revision History:
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* 06/15/05 - Initial release.
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*
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* This program has been released under the terms of the GPL version 2 by
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* permission of Adaptive Digital Technologies, Inc.
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*
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*/
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/*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2 as published by the
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* Free Software Foundation. See the LICENSE file included with
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* this program for more details.
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*/
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#ifndef _GPAKCUST_H /* prevent multiple inclusion */
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#define _GPAKCUST_H
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#include <linux/device.h>
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#include <linux/completion.h>
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#include <linux/workqueue.h>
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#include <linux/delay.h>
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#include <linux/version.h>
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#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 25)
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#include <linux/semaphore.h>
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#endif
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#include "gpakenum.h"
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#include "adt_lec.h"
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#define DEBUG_VPMADT032_ECHOCAN (1 << 4)
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/* Host and DSP system dependent related definitions. */
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#define MAX_DSP_CORES 128 /* maximum number of DSP cores */
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#define MAX_CHANNELS 32 /* maximum number of channels */
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#define MAX_WAIT_LOOPS 50 /* max number of wait delay loops */
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#define DSP_IFBLK_ADDRESS 0x0100 /* DSP address of I/F block pointer */
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#define DOWNLOAD_BLOCK_SIZE 512 /* download block size (DSP words) */
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#define VPM150M_MAX_COMMANDS 8
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#define __VPM150M_RWPAGE (1 << 4)
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#define __VPM150M_RD (1 << 3)
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#define __VPM150M_WR (1 << 2)
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#define __VPM150M_FIN (1 << 1)
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#define __VPM150M_TX (1 << 0)
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#define __VPM150M_RWPAGE (1 << 4)
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#define __VPM150M_RD (1 << 3)
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#define __VPM150M_WR (1 << 2)
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#define __VPM150M_FIN (1 << 1)
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#define __VPM150M_TX (1 << 0)
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/* Some Bit ops for different operations */
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#define VPM150M_SPIRESET 0
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#define VPM150M_HPIRESET 1
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#define VPM150M_SWRESET 2
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#define VPM150M_DTMFDETECT 3
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#define VPM150M_ACTIVE 4
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#define NLPTYPE_NONE 0
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#define NLPTYPE_MUTE 1
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#define NLPTYPE_RANDOM_NOISE 2
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#define HOTH_NOISE_NLPTYPE 3
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#define NLPTYPE_SUPPRESS 4
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#define NLPTYPE_RESERVED 5
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#define NLPTYPE_AUTOSUPPRESS 6
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#define DEFAULT_NLPTYPE NLPTYPE_AUTOSUPPRESS
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/* This is the threshold (in dB) for enabling and disabling of the NLP */
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#define DEFAULT_NLPTHRESH 22
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#define DEFAULT_NLPMAXSUPP 10
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struct vpmadt032_cmd {
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struct list_head node;
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__le32 address;
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__le16 data;
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u8 desc;
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u8 txident;
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struct completion complete;
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};
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/* Contains the options used when initializing the vpmadt032 module */
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struct vpmadt032_options {
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int vpmnlptype;
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int vpmnlpthresh;
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int vpmnlpmaxsupp;
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u32 debug;
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u32 channels;
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};
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struct GpakChannelConfig;
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struct vpmadt032 {
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struct voicebus *vb;
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struct work_struct work;
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struct workqueue_struct *wq;
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int dspid;
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struct semaphore sem;
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unsigned long control;
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unsigned char curpage;
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unsigned short version;
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struct adt_lec_params curecstate[MAX_CHANNELS];
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spinlock_t change_list_lock;
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struct list_head change_list;
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spinlock_t list_lock;
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/* Commands that are waiting to be processed. */
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struct list_head pending_cmds;
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/* Commands that are currently in progress by the VPM module */
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struct list_head active_cmds;
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struct vpmadt032_options options;
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void (*setchanconfig_from_state)(struct vpmadt032 *vpm, int channel, struct GpakChannelConfig *chanconfig);
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/* This must be last */
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char wq_name[0];
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};
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struct voicebus;
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struct dahdi_chan;
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struct dahdi_echocanparams;
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struct dahdi_echocanparam;
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struct dahdi_echocan_state;
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char vpmadt032tone_to_zaptone(GpakToneCodes_t tone);
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int vpmadt032_init(struct vpmadt032 *vpm, struct voicebus *vb);
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int vpmadt032_reset(struct vpmadt032 *vpm);
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struct vpmadt032 *vpmadt032_alloc(struct vpmadt032_options *options,
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const char *board_name);
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void vpmadt032_free(struct vpmadt032 *vpm);
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int vpmadt032_echocan_create(struct vpmadt032 *vpm, int channo,
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enum adt_companding companding,
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struct dahdi_echocanparams *ecp,
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struct dahdi_echocanparam *p);
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void vpmadt032_echocan_free(struct vpmadt032 *vpm, int channo,
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struct dahdi_echocan_state *ec);
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struct GpakEcanParms;
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void vpmadt032_get_default_parameters(struct GpakEcanParms *p);
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/* If there is a command ready to go to the VPMADT032, return it, otherwise NULL */
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static inline struct vpmadt032_cmd *vpmadt032_get_ready_cmd(struct vpmadt032 *vpm)
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{
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unsigned long flags;
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struct vpmadt032_cmd *cmd;
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spin_lock_irqsave(&vpm->list_lock, flags);
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if (list_empty(&vpm->pending_cmds)) {
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spin_unlock_irqrestore(&vpm->list_lock, flags);
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return NULL;
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}
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cmd = list_entry(vpm->pending_cmds.next, struct vpmadt032_cmd, node);
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list_move_tail(&cmd->node, &vpm->active_cmds);
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spin_unlock_irqrestore(&vpm->list_lock, flags);
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return cmd;
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}
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static inline void vpmadt032_resend(struct vpmadt032 *vpm)
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{
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unsigned long flags;
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struct vpmadt032_cmd *cmd, *temp;
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BUG_ON(!vpm);
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/* By moving the commands back to the pending list, they will be
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* transmitted when room is available */
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spin_lock_irqsave(&vpm->list_lock, flags);
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list_for_each_entry_safe(cmd, temp, &vpm->active_cmds, node) {
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cmd->desc &= ~(__VPM150M_TX);
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list_move_tail(&cmd->node, &vpm->pending_cmds);
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}
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spin_unlock_irqrestore(&vpm->list_lock, flags);
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}
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typedef __u16 DSP_WORD; /* 16 bit DSP word */
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typedef __u32 DSP_ADDRESS; /* 32 bit DSP address */
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typedef __u32 GPAK_FILE_ID; /* G.PAK Download file identifier */
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* gpakReadDspMemory - Read DSP memory.
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*
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* FUNCTION
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* This function reads a contiguous block of words from DSP memory starting at
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* the specified address.
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*
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* RETURNS
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* nothing
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*
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*/
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extern void gpakReadDspMemory(
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unsigned short int DspId, /* DSP Identifier (0 to MAX_DSP_CORES-1) */
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DSP_ADDRESS DspAddress, /* DSP's memory address of first word */
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unsigned int NumWords, /* number of contiguous words to read */
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DSP_WORD *pWordValues /* pointer to array of word values variable */
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);
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* gpakWriteDspMemory - Write DSP memory.
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*
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* FUNCTION
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* This function writes a contiguous block of words to DSP memory starting at
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* the specified address.
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*
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* RETURNS
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* nothing
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*
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*/
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extern void gpakWriteDspMemory(
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unsigned short int DspId, /* DSP Identifier (0 to MAX_DSP_CORES-1) */
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DSP_ADDRESS DspAddress, /* DSP's memory address of first word */
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unsigned int NumWords, /* number of contiguous words to write */
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DSP_WORD *pWordValues /* pointer to array of word values to write */
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);
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* gpakHostDelay - Delay for a fixed time interval.
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*
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* FUNCTION
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* This function delays for a fixed time interval before returning. The time
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* interval is the Host Port Interface sampling period when polling a DSP for
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* replies to command messages.
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*
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* RETURNS
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* nothing
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*
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*/
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extern void gpakHostDelay(void);
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* gpakLockAccess - Lock access to the specified DSP.
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*
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* FUNCTION
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* This function aquires exclusive access to the specified DSP.
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*
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* RETURNS
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* nothing
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*
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*/
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extern void gpakLockAccess(
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unsigned short int DspId /* DSP Identifier (0 to MAX_DSP_CORES-1) */
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);
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* gpakUnlockAccess - Unlock access to the specified DSP.
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*
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* FUNCTION
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* This function releases exclusive access to the specified DSP.
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*
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* RETURNS
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* nothing
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*
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*/
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extern void gpakUnlockAccess(
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unsigned short int DspId /* DSP Identifier (0 to MAX_DSP_CORES-1) */
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);
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* gpakReadFile - Read a block of bytes from a G.PAK Download file.
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*
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* FUNCTION
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* This function reads a contiguous block of bytes from a G.PAK Download file
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* starting at the current file position.
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*
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* RETURNS
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* The number of bytes read from the file.
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* -1 indicates an error occurred.
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* 0 indicates all bytes have been read (end of file)
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*
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*/
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extern int gpakReadFile(
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GPAK_FILE_ID FileId, /* G.PAK Download File Identifier */
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unsigned char *pBuffer, /* pointer to buffer for storing bytes */
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unsigned int NumBytes /* number of bytes to read */
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);
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#endif /* prevent multiple inclusion */
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