path: root/drivers/isdn/hardware/mISDN/hfc_multi.h

/*
 * see notice in hfc_multi.c
 */

#define DEBUG_HFCMULTI_FIFO	0x00010000
#define	DEBUG_HFCMULTI_CRC	0x00020000
#define	DEBUG_HFCMULTI_INIT	0x00040000
#define	DEBUG_HFCMULTI_PLXSD	0x00080000
#define	DEBUG_HFCMULTI_MODE	0x00100000
#define	DEBUG_HFCMULTI_MSG	0x00200000
#define	DEBUG_HFCMULTI_STATE	0x00400000
#define	DEBUG_HFCMULTI_FILL	0x00800000
#define	DEBUG_HFCMULTI_SYNC	0x01000000
#define	DEBUG_HFCMULTI_DTMF	0x02000000
#define	DEBUG_HFCMULTI_LOCK	0x80000000

#define	PCI_ENA_REGIO	0x01
#define	PCI_ENA_MEMIO	0x02

/*
 * NOTE: some registers are assigned multiple times due to different modes
 *       also registers are assigned differen for HFC-4s/8s and HFC-E1
 */

/*
#define MAX_FRAME_SIZE	2048
*/

struct hfc_chan {
	struct dchannel	*dch;	/* link if channel is a D-channel */
	struct bchannel	*bch;	/* link if channel is a B-channel */
	int		port; 	/* the interface port this */
				/* channel is associated with */
	int		nt_timer; /* -1 if off, 0 if elapsed, >0 if running */
	int		los, ais, slip_tx, slip_rx, rdi; /* current alarms */
	int		jitter;
	u_long		cfg;	/* port configuration */
	int		sync;	/* sync state (used by E1) */
	u_int		protocol; /* current protocol */
	int		slot_tx; /* current pcm slot */
	int		bank_tx; /* current pcm bank */
	int		slot_rx;
	int		bank_rx;
	int		conf;	/* conference setting of TX slot */
	int		txpending;	/* if there is currently data in */
					/* the FIFO 0=no, 1=yes, 2=splloop */
	int		rx_off; /* set to turn fifo receive off */
	int		coeff_count; /* curren coeff block */
	s32		*coeff; /* memory pointer to 8 coeff blocks */
};


struct hfcm_hw {
	u_char	r_ctrl;
	u_char	r_irq_ctrl;
	u_char	r_cirm;
	u_char	r_ram_sz;
	u_char	r_pcm_md0;
	u_char	r_irqmsk_misc;
	u_char	r_dtmf;
	u_char	r_st_sync;
	u_char	r_sci_msk;
	u_char	r_tx0, r_tx1;
	u_char	a_st_ctrl0[8];
	timer_t	timer;
};


/* for each stack these flags are used (cfg) */
#define	HFC_CFG_NONCAP_TX	1 /* S/T TX interface has less capacity */
#define	HFC_CFG_DIS_ECHANNEL	2 /* disable E-channel processing */
#define	HFC_CFG_REG_ECHANNEL	3 /* register E-channel */
#define	HFC_CFG_OPTICAL		4 /* the E1 interface is optical */
#define	HFC_CFG_REPORT_LOS	5 /* the card should report loss of signal */
#define	HFC_CFG_REPORT_AIS	6 /* the card should report alarm ind. sign. */
#define	HFC_CFG_REPORT_SLIP	7 /* the card should report bit slips */
#define	HFC_CFG_REPORT_RDI	8 /* the card should report remote alarm */
#define	HFC_CFG_DTMF		9 /* enable DTMF-detection */
#define	HFC_CFG_CRC4		10 /* disable CRC-4 Multiframe mode, */
					/* use double frame instead. */

#define	HFC_CHIP_EXRAM_128	0 /* external ram 128k */
#define	HFC_CHIP_EXRAM_512	1 /* external ram 256k */
#define	HFC_CHIP_REVISION0	2 /* old fifo handling */
#define	HFC_CHIP_PCM_SLAVE	3 /* PCM is slave */
#define	HFC_CHIP_PCM_MASTER	4 /* PCM is master */
#define	HFC_CHIP_RX_SYNC	5 /* disable pll sync for pcm */
#define	HFC_CHIP_DTMF		6 /* DTMF decoding is enabled */
#define	HFC_CHIP_ULAW		7 /* ULAW mode */
#define	HFC_CHIP_CLOCK2		8 /* double clock mode */
#define	HFC_CHIP_E1CLOCK_GET	9 /* always get clock from E1 interface */
#define	HFC_CHIP_E1CLOCK_PUT	10 /* always put clock from E1 interface */
#define	HFC_CHIP_WATCHDOG	11 /* whether we should send signals */
					/* to the watchdog */
#define	HFC_CHIP_B410P		12 /* whether we have a b410p with echocan in */
					/* hw */
#define	HFC_CHIP_PLXSD		13 /* whether we have a Speech-Design PLX */

#define HFC_IO_MODE_PCIMEM	0x00 /* normal memory mapped IO */
#define HFC_IO_MODE_REGIO	0x01 /* PCI io access */
#define HFC_IO_MODE_PLXSD	0x02 /* access HFC via PLX9030 */

/* table entry in the PCI devices list */
struct hm_map {
	char *vendor_name;
	char *card_name;
	int type;
	int ports;
	int clock2;
	int leds;
	int opticalsupport;
	int dip_type;
	int io_mode;
};

struct hfc_multi {
	struct list_head	list;
	struct hm_map	*mtyp;
	int		id;
	int		pcm;	/* id of pcm bus */
	int		type;
	int		ports;

	u_int		irq;	/* irq used by card */
	u_int		irqcnt;
	struct pci_dev	*pci_dev;
	int		io_mode; /* selects mode */
#ifdef HFC_REGISTER_DEBUG
	void		(*HFC_outb)(struct hfc_multi *hc, u_char reg,
				u_char val, const char *function, int line);
	void		(*HFC_outb_nodebug)(struct hfc_multi *hc