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+/*
+ * Dallas DS2153, DS21x54 single-chip E1 tranceiver registers.
+ *
+ * Copyright (C) 1996 Cronyx Engineering.
+ * Author: Serge Vakulenko, <vak@cronyx.ru>
+ *
+ * This software is distributed with NO WARRANTIES, not even the implied
+ * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Authors grant any other persons or organisations permission to use
+ * or modify this software as long as this message is kept with the software,
+ * all derivative works or modified versions.
+ *
+ * Cronyx Id: ds2153.h,v 1.2.4.1 2003/11/12 17:22:33 rik Exp $
+ * $FreeBSD$
+ */
+
+/*
+ * Control and test registers
+ */
+#define DS_RCR1 0x10 /* rw - receive control 1 */
+#define DS_RCR2 0x11 /* rw - receive control 2 */
+#define DS_TCR1 0x12 /* rw - transmit control 1 */
+#define DS_TCR2 0x13 /* rw - transmit control 2 */
+#define DS_CCR1 0x14 /* rw - common control 1 */
+#define DS_CCR2 0x1a /* rw - common control 2 */
+#define DS_CCR3 0x1b /* rw - common control 3 */
+#define DS_LICR 0x18 /* rw - line interface control */
+#define DS_IMR1 0x16 /* rw - interrupt mask 1 */
+#define DS_IMR2 0x17 /* rw - interrupt mask 2 */
+#define DS_TEST1 0x15 /* rw - test 1 */
+#define DS_TEST2 0x19 /* rw - test 2 */
+
+/*
+ * Status and information registers
+ */
+#define DS_RIR 0x08 /* r - receive information */
+#define DS_SSR 0x1e /* r - synchronizer status */
+#define DS_SR1 0x06 /* r - status 1 */
+#define DS_SR2 0x07 /* r - status 2 */
+
+/*
+ * Error count registers
+ */
+#define DS_VCR1 0x00 /* r - BPV or code violation count 1 */
+#define DS_VCR2 0x01 /* r - BPV or code violation count 2 */
+#define DS_CRCCR1 0x02 /* r - CRC4 error count 1 */
+#define DS_CRCCR2 0x03 /* r - CRC4 error count 2 */
+#define DS_EBCR1 0x04 /* r - E-bit count 1 */
+#define DS_EBCR2 0x05 /* r - E-bit count 2 */
+#define DS_FASCR1 0x02 /* r - FAS error count 1 */
+#define DS_FASCR2 0x04 /* r - FAS error count 2 */
+
+/*
+ * Signaling registers
+ */
+#define DS_RS 0x30 /* r - receive signaling 1..16 */
+#define DS_TS 0x40 /* rw - transmit signaling 1..16 */
+
+/*
+ * Transmit idle registers
+ */
+#define DS_TIR 0x26 /* rw - transmit idle 1..4 */
+#define DS_TIDR 0x2a /* rw - transmit idle definition */
+
+/*
+ * Clock blocking registers
+ */
+#define DS_RCBR 0x2b /* rw - receive channel blocking 1..4 */
+#define DS_TCBR 0x22 /* rw - transmit channel blocking 1..4 */
+
+/*
+ * Slot 0 registers
+ */
+#define DS_RAF 0x2f /* r - receive align frame */
+#define DS_RNAF 0x1f /* r - receive non-align frame */
+#define DS_TAF 0x20 /* rw - transmit align frame */
+#define DS_TNAF 0x21 /* rw - transmit non-align frame */
+
+/*----------------------------------------------
+ * Receive control register 1
+ */
+#define RCR1_RSO 0x00 /* RSYNC outputs frame boundaries */
+#define RCR1_RSI 0x20 /* RSYNC is input (elastic store) */
+#define RCR1_RSO_CAS 0x40 /* RSYNC outputs CAS multiframe boundaries */
+#define RCR1_RSO_CRC4 0xc0 /* RSYNC outputs CRC4 multiframe boundaries */
+
+#define RCR1_FRC 0x04 /* frame resync criteria */
+#define RCR1_SYNCD 0x02 /* auto resync disable */
+#define RCR1_RESYNC 0x01 /* force resync */
+
+/*
+ * Receive control register 2
+ */
+#define RCR2_SA_8 0x80 /* output Sa8 bit at RLINK pin */
+#define RCR2_SA_7 0x40 /* output Sa7 bit at RLINK pin */
+#define RCR2_SA_6 0x20 /* output Sa6 bit at RLINK pin */
+#define RCR2_SA_5 0x10 /* output Sa5 bit at RLINK pin */
+#define RCR2_SA_4 0x08 /* output Sa4 bit at RLINK pin */
+#define RCR2_RSCLKM 0x04 /* receive side SYSCLK mode 2048 */
+#define RCR2_RESE 0x02 /* receive side elastic store enable */
+
+/*
+ * Transmit control register 1
+ */
+#define TCR1_TFPT 0x40 /* source timeslot 0 from TSER pin */
+#define TCR1_T16S 0x20 /* source timeslot 16 from TS1..TS16 regs */
+#define TCR1_TUA1 0x10 /* transmit unframed all ones */
+#define TCR1_TSIS 0x08 /* source Si bits from TAF/TNAF registers */
+#define TCR1_TSA1 0x04 /* transmit timeslot 16 all ones */
+
+#define TCR1_TSI 0x00 /* TSYNC is input */
+#define TCR1_TSO 0x01 /* TSYNC outputs frame boundaries */
+#define TCR1_TSO_MF 0x03 /* TSYNC outputs CAS/CRC4 m/f boundaries */
+
+/*
+ * Transmit control register 2
+ */
+#define TCR2_SA_8 0x80 /* source Sa8 bit from TLINK pin */
+#define TCR2_SA_7 0x40 /* source Sa7 bit from TLINK pin */
+#define TCR2_SA_6 0x20 /* source Sa6 bit from TLINK pin */
+#define TCR2_SA_5 0x10 /* source Sa5 bit from TLINK pin */
+#define TCR2_SA_4 0x08 /* source Sa4 bit from TLINK pin */
+#define TCR2_AEBE 0x02 /* automatic E-bit enable */
+#define TCR2_P16F 0x01 /* pin 16 is Loss of Transmit Clock */
+
+/*
+ * Common control register 1
+ */
+#define CCR1_FLOOP 0x80 /* enable framer loopback */
+#define CCR1_THDB3 0x40 /* enable transmit HDB3 */
+#define CCR1_TG802 0x20 /* enable transmit G.802 */
+#define CCR1_TCRC4 0x10 /* enable transmit CRC4 */
+#define CCR1_CCS 0x08 /* common channel signaling mode */
+#define CCR1_RHDB3 0x04 /* enable receive HDB3 */
+#define CCR1_RG802 0x02 /* enable receive G.802 */
+#define CCR1_RCRC4 0x01 /* enable receive CRC4 */
+
+/*
+ * Common control register 2
+ */
+#define CCR2_EC625 0x80 /* update error counters every 62.5 ms */
+#define CCR2_CNTCV 0x40 /* count code violations */
+#define CCR2_AUTOAIS 0x20 /* automatic AIS generation */
+#define CCR2_AUTORA 0x10 /* automatic remote alarm generation */
+#define CCR2_LOFA1 0x08 /* force RSER to 1 under loss of frame align */
+#define CCR2_TRCLK 0x04 /* switch transmitter to RCLK if TCLK stops */
+#define CCR2_RLOOP 0x02 /* enable remote loopback */
+#define CCR2_LLOOP 0x01 /* enable local loopback */
+
+/*
+ * Common control register 3
+ */
+#define CCR3_TESE 0x80 /* enable transmit elastic store */
+#define CCR3_TCBFS 0x40 /* TCBRs define signaling bits to insert */
+#define CCR3_TIRSER 0x20 /* TIRs define data channels from RSER pin */
+#define CCR3_ESRESET 0x10 /* elastic store reset */
+#define CCR3_LIRESET 0x08 /* line interface reset */
+#define CCR3_THSE 0x04 /* insert signaling from TSIG into TSER */
+#define CCR3_TSCLKM 0x02 /* transmit backplane clock 2048 */
+
+/*
+ * Line interface control register
+ */
+#define LICR_DB21 0x80 /* return loss 21 dB */
+
+#define LICR_LB75 0x00 /* 75 Ohm normal */
+#define LICR_LB120 0x20 /* 120 Ohm normal */
+#define LICR_LB75P 0x40 /* 75 Ohm protected */
+#define LICR_LB120P 0x60 /* 120 Ohm protected */
+
+#define LICR_HIGAIN 0x10 /* receive gain 30 dB */
+#define LICR_JA_TX 0x08 /* transmit side jitter attenuator select */
+#define LICR_JA_LOW 0x04 /* low jitter attenuator depth (32 bits) */
+#define LICR_JA_DISABLE 0x02 /* disable jitter attenuator */
+#define LICR_POWERDOWN 0x01 /* transmit power down */
+
+/*----------------------------------------------
+ * Receive information register
+ */
+#define RIR_TES_FULL 0x80 /* transmit elastic store full */
+#define RIR_TES_EMPTY 0x40 /* transmit elastic store empty */
+#define RIR_JALT 0x20 /* jitter attenuation limit trip */
+#define RIR_ES_FULL 0x10 /* elastic store full */
+#define RIR_ES_EMPTY 0x08 /* elastic store empty */
+#define RIR_RESYNC_CRC 0x04 /* CRC4 resync (915/1000 errors) */
+#define RIR_RESYNC 0x02 /* frame resync (three consec errors) */
+#define RIR_RESYNC_CAS 0x01 /* CAS resync (two consec errors) */
+
+/*
+ * Synchronizer status register
+ */
+#define SSR_CSC(v) (((v) >> 2) & 0x3c | ((v) >> 3) & 1)
+ /* CRC4 sync counter (6 bits, bit 1 n/a) */
+#define SSR_SYNC 0x04 /* frame alignment sync active */
+#define SSR_SYNC_CAS 0x02 /* CAS multiframe sync active */
+#define SSR_SYNC_CRC4 0x01 /* CRC4 multiframe sync active */
+
+/*
+ * Status register 1
+ */
+#define SR1_RSA1 0x80 /* receive signaling all ones */
+#define SR1_RDMA 0x40 /* receive distant multiframe alarm */
+#define SR1_RSA0 0x20 /* receive signaling all zeros */
+#define SR1_RSLIP 0x10 /* receive elastic store slip event */
+#define SR1_RUA1 0x08 /* receive unframed all ones */
+#define SR1_RRA 0x04 /* receive remote alarm */
+#define SR1_RCL 0x02 /* receive carrier loss */
+#define SR1_RLOS 0x01 /* receive loss of sync */
+
+/*
+ * Status register 2
+ */
+#define SR2_RMF 0x80 /* receive CAS multiframe (every 2 ms) */
+#define SR2_RAF 0x40 /* receive align frame (every 250 us) */
+#define SR2_TMF 0x20 /* transmit multiframe (every 2 ms) */
+#define SR2_SEC 0x10 /* one second timer (or 62.5 ms) */
+#define SR2_TAF 0x08 /* transmit align frame (every 250 us) */
+#define SR2_LOTC 0x04 /* loss of transmit clock */
+#define SR2_RCMF 0x02 /* receive CRC4 multiframe (every 2 ms) */
+#define SR2_TSLIP 0x01 /* transmit elastic store slip event */
+
+/*
+ * Error count registers
+ */
+#define VCR(h,l) (((short) (h) << 8) | (l)) /* 16-bit code violation */
+#define CRCCR(h,l) (((short) (h) << 8 & 0x300) | (l)) /* 10-bit CRC4 error count */
+#define EBCR(h,l) (((short) (h) << 8 & 0x300) | (l)) /* 10-bit E-bit count */
+#define FASCR(h,l) (((short) (h) << 4 & 0xfc0) | (l) >> 2) /* 12-bit FAS error count */
+
+#define FASCRH(h) ((h) << 4) /* 12-bit FAS error count */
+#define FASCRL(l) ((l) >> 2) /* 12-bit FAS error count */
+
+/*
+ * DS21x54 additional registers
+ */
+#define DS_IDR 0x0f /* r - device id */
+#define DS_TSACR 0x1c /* rw - transmit Sa bit control */
+#define DS_CCR6 0x1d /* rw - common control 6 */
+
+#define DS_TSIAF 0x50 /* rw - transmit Si bits align frame */
+#define DS_TSINAF 0x51 /* rw - transmit Si bits non-align frame */
+#define DS_TRA 0x52 /* rw - transmit remote alarm bits */
+#define DS_TSA4 0x53 /* rw - transmit Sa4 bits */
+#define DS_TSA5 0x54 /* rw - transmit Sa5 bits */
+#define DS_TSA6 0x55 /* rw - transmit Sa6 bits */
+#define DS_TSA7 0x56 /* rw - transmit Sa7 bits */
+#define DS_TSA8 0x57 /* rw - transmit Sa8 bits */
+#define DS_RSIAF 0x58 /* r - receive Si bits align frame */
+#define DS_RSINAF 0x59 /* r - receive Si bits non-align frame */
+#define DS_RRA 0x5a /* r - receive remote alarm bits */
+#define DS_RSA4 0x5b /* r - receive Sa4 bits */
+#define DS_RSA5 0x5c /* r - receive Sa5 bits */
+#define DS_RSA6 0x5d /* r - receive Sa6 bits */
+#define DS_RSA7 0x5e /* r - receive Sa7 bits */
+#define DS_RSA8 0x5f /* r - receive Sa8 bits */
+
+#define DS_TCC1 0xa0 /* rw - transmit channel control 1 */
+#define DS_TCC2 0xa1 /* rw - transmit channel control 2 */
+#define DS_TCC3 0xa2 /* rw - transmit channel control 3 */
+#define DS_TCC4 0xa3 /* rw - transmit channel control 4 */
+#define DS_RCC1 0xa4 /* rw - receive channel control 1 */
+#define DS_RCC2 0xa5 /* rw - receive channel control 2 */
+#define DS_RCC3 0xa6 /* rw - receive channel control 3 */
+#define DS_RCC4 0xa7 /* rw - receive channel control 4 */
+
+#define DS_CCR4 0xa8 /* rw - common control 4 */
+#define DS_TDS0M 0xa9 /* r - transmit ds0 monitor */
+#define DS_CCR5 0xaa /* rw - common control 5 */
+#define DS_RDS0M 0xab /* r - receive ds0 monitor */
+#define DS_TEST3 0xac /* rw - test 3, set to 00h */
+
+#define DS_HCR 0xb0 /* rw - hdlc control */
+#define DS_HSR 0xb1 /* rw - hdlc status */
+#define DS_HIMR 0xb2 /* rw - hdlc interrupt mask */
+#define DS_RHIR 0xb3 /* rw - receive hdlc information */
+#define DS_RHFR 0xb4 /* rw - receive hdlc fifo */
+#define DS_IBO 0xb5 /* rw - interleave bus operation */
+#define DS_THIR 0xb6 /* rw - transmit hdlc information */
+#define DS_THFR 0xb7 /* rw - transmit hdlc fifo */
+#define DS_RDC1 0xb8 /* rw - receive hdlc ds0 control 1 */
+#define DS_RDC2 0xb9 /* rw - receive hdlc ds0 control 2 */
+#define DS_TDC1 0xba /* rw - transmit hdlc ds0 control 1 */
+#define DS_TDC2 0xbb /* rw - transmit hdlc ds0 control 2 */
+
+#define CCR4_RLB 0x80 /* enable remote loopback */
+#define CCR4_LLB 0x40 /* enable local loopback */
+#define CCR5_LIRST 0x80 /* line interface reset */
+#define CCR6_RESR 0x02 /* receive elastic store reset */
+#define CCR6_TESR 0x01 /* transmit elastic store reset */