/*
 * Digium, Inc.  Wildcard TE12xP T1/E1 card Driver
 *
 * Written by Michael Spiceland <mspiceland@digium.com>
 *
 * Adapted from the wctdm24xxp and wcte11xp drivers originally
 * written by Mark Spencer <markster@digium.com>
 *            Matthew Fredrickson <creslin@digium.com>
 *            William Meadows <wmeadows@digium.com>
 *
 * Copyright (C) 2007, Digium, 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 _WCTE12XP_H
#define _WCTE12XP_H

#ifdef LINUX26
/* Comment to disable VPM support */
#define VPM_SUPPORT 1
#endif

#define WC_MAX_IFACES 8

#ifdef VPM_SUPPORT
#define MAX_TDM_CHAN 31
#endif

#define SDI_CLK		(0x00010000)
#define SDI_DOUT	(0x00020000)
#define SDI_DREAD	(0x00040000)
#define SDI_DIN		(0x00080000)

#define EFRAME_SIZE	108
#define ERING_SIZE	16		/* Maximum ring size */
#define EFRAME_GAP	20
#define SFRAME_SIZE	((EFRAME_SIZE * ZT_CHUNKSIZE) + (EFRAME_GAP * (ZT_CHUNKSIZE - 1)))

#define PCI_WINDOW_SIZE ((2 * 2 * 2 * SFRAME_SIZE) + (2 * ERING_SIZE * 4))

#define MAX_COMMANDS 7*7*2*2 /* 42 bytes /3 (cntl,addr,data) /2 (cs) */

#define NUM_EC 4

#define __CMD_VPM  (1 << 16)		/* flag for VPM action */
#define __CMD_ISR  (1 << 17)		/* flag for ISR reads */
#define __CMD_PINS (1 << 18)		/* CPLD pin read */
#define __CMD_LEDS (1 << 19)		/* LED Operation */
#define __CMD_RD   (1 << 20)		/* Read Operation */
#define __CMD_WR   (1 << 21)		/* Write Operation */
#define __CMD_FIN  (1 << 22)		/* Has finished receive */
#define __CMD_TX   (1 << 23)		/* Has been transmitted */

#define __LED_ORANGE	(1<<3)
#define __LED_GREEN	(1<<2)
#define __LED_RED	(1<<1)

#define SET_LED_ORANGE(a) a | __LED_ORANGE 
#define SET_LED_RED(a) (a | __LED_RED) & ~__LED_GREEN
#define SET_LED_GREEN(a) (a | __LED_GREEN) & ~__LED_RED

#define UNSET_LED_ORANGE(a) a & ~__LED_ORANGE 
#define UNSET_LED_REDGREEN(a) a | __LED_RED | __LED_GREEN

#define CMD_WR(a,b) (((a) << 8) | (b) | __CMD_WR)
#define CMD_RD(a) (((a) << 8) | __CMD_RD)
#define CMD_LEDS(a) (((a) << 8) | __CMD_LEDS)
//#define CMD_BYTE(slot, a) (slot*6)+(a*2) /* only even slots */
#define CMD_BYTE(slot, a, is_vpm) (slot*6)+(a*2)+is_vpm /* only even slots */
//TODO: make a separate macro

#define TYPE_T1	1
#define TYPE_E1	2

#define NOT_VPM -1

#define module_printk(fmt, args...) printk("%s: " fmt, te12xp_driver.name, ## args)
#define debug_printk(level, fmt, args...) if (debug >= level) printk("%s (%s): " fmt, te12xp_driver.name, __FUNCTION__, ## args)
extern spinlock_t ifacelock;

struct command {
	unsigned short address;
	unsigned char data;
	unsigned char ident;
	unsigned int flags;
	unsigned char cs_slot;
	unsigned char vpm_num; /* ignored for all but vpm commmands */
};

struct cmdq {
	struct command cmds[MAX_COMMANDS];
};

struct vpm150m;

struct t1 {
	spinlock_t reglock;
	unsigned char txident;
	unsigned char rxident;
	unsigned char statreg; /* bit 0 = vpmadt032 int */
	int spantype;
	struct {
		unsigned int nmf:1;
		unsigned int sendingyellow:1;
	} flags;
	unsigned char txsigs[16];  /* Copy of tx sig registers */
	int num;
	int alarmcount;			/* How much red alarm we've seen */
	int alarmdebounce;
	char *variety;
	char name[80];
	unsigned int intcount;
	int sync;
	int dead;
	int blinktimer;
	int alarmtimer;
	int yellowtimer;
	int ledlastvalue;
	int alarms_read;
	int checktiming;	/* Set >0 to cause the timing source to be checked */
	int loopupcnt;
	int loopdowncnt;
	int initialized;
	int *chanmap;
	unsigned char ledtestreg;
	unsigned char ec_chunk1[32][ZT_CHUNKSIZE];
	unsigned char ec_chunk2[32][ZT_CHUNKSIZE];
	struct zt_span span;						/* Span */
	struct zt_chan chans[32];					/* Channels */
	wait_queue_head_t regq;
	struct cmdq	cmdq;
	struct command dummy;	/* preallocate for dummy noop command */
	unsigned char ctlreg;
	unsigned int rxints;
	unsigned int txints;
	int usecount;
	struct voicebus* vb;
	unsigned int isrreaderrors;
#ifdef VPM_SUPPORT
	int vpm;
	struct vpm150m *vpm150m;
	unsigned long dtmfactive;
	unsigned long dtmfmask;
	unsigned long dtmfmutemask;
#endif
};

int schluffen(wait_queue_head_t *q);

#endif