xref: /kernel/linux/linux-5.10/drivers/isdn/hardware/mISDN/w6692.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Winbond W6692 specific defines
 *
 * Author       Karsten Keil <keil@isdn4linux.de>
 *		based on the w6692 I4L driver from Petr Novak <petr.novak@i.cz>
 *
 * Copyright 2009  by Karsten Keil <keil@isdn4linux.de>
 */

/* Specifications of W6692 registers */

#define W_D_RFIFO	0x00	/* R */
#define W_D_XFIFO	0x04	/* W */
#define W_D_CMDR	0x08	/* W */
#define W_D_MODE	0x0c	/* R/W */
#define W_D_TIMR	0x10	/* R/W */
#define W_ISTA		0x14	/* R_clr */
#define W_IMASK		0x18	/* R/W */
#define W_D_EXIR	0x1c	/* R_clr */
#define W_D_EXIM	0x20	/* R/W */
#define W_D_STAR	0x24	/* R */
#define W_D_RSTA	0x28	/* R */
#define W_D_SAM		0x2c	/* R/W */
#define W_D_SAP1	0x30	/* R/W */
#define W_D_SAP2	0x34	/* R/W */
#define W_D_TAM		0x38	/* R/W */
#define W_D_TEI1	0x3c	/* R/W */
#define W_D_TEI2	0x40	/* R/W */
#define W_D_RBCH	0x44	/* R */
#define W_D_RBCL	0x48	/* R */
#define W_TIMR2		0x4c	/* W */
#define W_L1_RC		0x50	/* R/W */
#define W_D_CTL		0x54	/* R/W */
#define W_CIR		0x58	/* R */
#define W_CIX		0x5c	/* W */
#define W_SQR		0x60	/* R */
#define W_SQX		0x64	/* W */
#define W_PCTL		0x68	/* R/W */
#define W_MOR		0x6c	/* R */
#define W_MOX		0x70	/* R/W */
#define W_MOSR		0x74	/* R_clr */
#define W_MOCR		0x78	/* R/W */
#define W_GCR		0x7c	/* R/W */

#define	W_B_RFIFO	0x80	/* R */
#define	W_B_XFIFO	0x84	/* W */
#define	W_B_CMDR	0x88	/* W */
#define	W_B_MODE	0x8c	/* R/W */
#define	W_B_EXIR	0x90	/* R_clr */
#define	W_B_EXIM	0x94	/* R/W */
#define	W_B_STAR	0x98	/* R */
#define	W_B_ADM1	0x9c	/* R/W */
#define	W_B_ADM2	0xa0	/* R/W */
#define	W_B_ADR1	0xa4	/* R/W */
#define	W_B_ADR2	0xa8	/* R/W */
#define	W_B_RBCL	0xac	/* R */
#define	W_B_RBCH	0xb0	/* R */

#define W_XADDR		0xf4	/* R/W */
#define W_XDATA		0xf8	/* R/W */
#define W_EPCTL		0xfc	/* W */

/* W6692 register bits */

#define	W_D_CMDR_XRST	0x01
#define	W_D_CMDR_XME	0x02
#define	W_D_CMDR_XMS	0x08
#define	W_D_CMDR_STT	0x10
#define	W_D_CMDR_RRST	0x40
#define	W_D_CMDR_RACK	0x80

#define	W_D_MODE_RLP	0x01
#define	W_D_MODE_DLP	0x02
#define	W_D_MODE_MFD	0x04
#define	W_D_MODE_TEE	0x08
#define	W_D_MODE_TMS	0x10
#define	W_D_MODE_RACT	0x40
#define	W_D_MODE_MMS	0x80

#define W_INT_B2_EXI	0x01
#define W_INT_B1_EXI	0x02
#define W_INT_D_EXI	0x04
#define W_INT_XINT0	0x08
#define W_INT_XINT1	0x10
#define W_INT_D_XFR	0x20
#define W_INT_D_RME	0x40
#define W_INT_D_RMR	0x80

#define W_D_EXI_WEXP	0x01
#define W_D_EXI_TEXP	0x02
#define W_D_EXI_ISC	0x04
#define W_D_EXI_MOC	0x08
#define W_D_EXI_TIN2	0x10
#define W_D_EXI_XCOL	0x20
#define W_D_EXI_XDUN	0x40
#define W_D_EXI_RDOV	0x80

#define	W_D_STAR_DRDY	0x10
#define	W_D_STAR_XBZ	0x20
#define	W_D_STAR_XDOW	0x80

#define W_D_RSTA_RMB	0x10
#define W_D_RSTA_CRCE	0x20
#define W_D_RSTA_RDOV	0x40

#define W_D_CTL_SRST	0x20

#define W_CIR_SCC	0x80
#define W_CIR_ICC	0x40
#define W_CIR_COD_MASK	0x0f

#define W_PCTL_PCX	0x01
#define W_PCTL_XMODE	0x02
#define W_PCTL_OE0	0x04
#define W_PCTL_OE1	0x08
#define W_PCTL_OE2	0x10
#define W_PCTL_OE3	0x20
#define W_PCTL_OE4	0x40
#define W_PCTL_OE5	0x80

#define	W_B_CMDR_XRST	0x01
#define	W_B_CMDR_XME	0x02
#define	W_B_CMDR_XMS	0x04
#define	W_B_CMDR_RACT	0x20
#define	W_B_CMDR_RRST	0x40
#define	W_B_CMDR_RACK	0x80

#define	W_B_MODE_FTS0	0x01
#define	W_B_MODE_FTS1	0x02
#define	W_B_MODE_SW56	0x04
#define	W_B_MODE_BSW0	0x08
#define	W_B_MODE_BSW1	0x10
#define	W_B_MODE_EPCM	0x20
#define	W_B_MODE_ITF	0x40
#define	W_B_MODE_MMS	0x80

#define	W_B_EXI_XDUN	0x01
#define	W_B_EXI_XFR	0x02
#define	W_B_EXI_RDOV	0x10
#define	W_B_EXI_RME	0x20
#define	W_B_EXI_RMR	0x40

#define	W_B_STAR_XBZ	0x01
#define	W_B_STAR_XDOW	0x04
#define	W_B_STAR_RMB	0x10
#define	W_B_STAR_CRCE	0x20
#define	W_B_STAR_RDOV	0x40

#define	W_B_RBCH_LOV	0x20

/* W6692 Layer1 commands */

#define	W_L1CMD_ECK	0x00
#define W_L1CMD_RST	0x01
#define W_L1CMD_SCP	0x04
#define W_L1CMD_SSP	0x02
#define W_L1CMD_AR8	0x08
#define W_L1CMD_AR10	0x09
#define W_L1CMD_EAL	0x0a
#define W_L1CMD_DRC	0x0f

/* W6692 Layer1 indications */

#define W_L1IND_CE	0x07
#define W_L1IND_DRD	0x00
#define W_L1IND_LD	0x04
#define W_L1IND_ARD	0x08
#define W_L1IND_TI	0x0a
#define W_L1IND_ATI	0x0b
#define W_L1IND_AI8	0x0c
#define W_L1IND_AI10	0x0d
#define W_L1IND_CD	0x0f

/* FIFO thresholds */
#define W_D_FIFO_THRESH	64
#define W_B_FIFO_THRESH	64