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+/*
+ * Defines for Cronyx-Tau adapter, based on Hitachi HD64570 controller.
+ *
+ * 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: ctaureg.h,v 1.1.2.1 2003/11/12 17:16:10 rik Exp $
+ * $FreeBSD$
+ */
+
+/*
+ * Chip register address, B is chip base port, R is chip register number.
+ */
+#define R(b,r) ((b) | 0x8000 | (((r)<<6 & 0x3c00) | ((r) & 0xf)))
+
+/*
+ * Interface board registers, R is register number 0..7.
+ */
+#define GR(p,r) ((p) | 0x0010 | (r)<<1)
+
+/*------------------------------------------------------------
+ * Basic Tau model.
+ */
+#define BSR0(p) (p) /* board status register 0, read only */
+#define BSR1(p) ((p) | 0x2000) /* board status register 1, read only */
+#define BSR2(p) ((p) | 0x4010) /* board status register 2, read only */
+#define BSR3(p) ((p) | 0x4000) /* board status register 3, read only */
+#define BCR0(p) (p) /* board command register 0, write only */
+#define BCR1(p) ((p) | 0x2000) /* board command register 1, write only */
+#define BCR2(p) ((p) | 0x4010) /* board command register 2, write only */
+#define BCR3(p) ((p) | 0x4000) /* board command register 3, write only */
+#define IACK(p) ((p) | 0x6000) /* interrupt acknowledge register, ro */
+
+/*
+ * Board status register 0 bits.
+ */
+#define BSR0_INTR 0x01 /* interrupt pending flag */
+#define BSR0_HDINT 0x02 /* HD64570 interrupt pending */
+#define BSR0_GINT 0x04 /* interface board interrupt pending */
+#define BSR0_RDYERR 0x10 /* HD64570 reg.i/o error - not ready */
+
+#define BSR0_TE1 0x02 /* 0 - E1 daughter board installed */
+#define BSR0_T703 0x04 /* 0 - G.703 daughter board installed */
+
+/*
+ * Board status register 1 bits.
+ */
+#define BSR1_DSR0 0x01 /* DSR from channel 0 */
+#define BSR1_DSR1 0x02 /* DSR from channel 1 */
+
+#define BSR1_CH0_CABLE 0x0c /* channel 0 cable type mask */
+#define BSR1_CH0_V35 0x0c /* channel 0 is V.35 */
+#define BSR1_CH0_RS232 0x08 /* channel 0 is RS-232 or not connected */
+#define BSR1_CH0_X21 0x04 /* channel 0 is X.21 */
+#define BSR1_CH0_RS530 0x00 /* channel 0 is RS-530 */
+
+#define BSR1_CH1_CABLE 0x30 /* channel 1 cable type mask */
+#define BSR1_CH1_SHIFT 2
+#define BSR1_CH1_V35 0x0c /* channel 1 is V.35 */
+#define BSR1_CH1_RS232 0x08 /* channel 1 is RS-232 or not connected */
+#define BSR1_CH1_X21 0x04 /* channel 1 is X.21 */
+#define BSR1_CH1_RS530 0x00 /* channel 1 is RS-530 */
+
+/*
+ * Board status register 2 bits.
+ */
+#define BSR2_GINT0 0x08 /* interface board chan0 interrupt pending */
+#define BSR2_GINT1 0x40 /* interface board chan1 interrupt pending */
+#define BSR2_LERR 0x80 /* firmware download error signal */
+
+/*
+ * Board status register 3 bits.
+ */
+#define BSR3_IB 0x08 /* identification bit */
+#define BSR3_NSTATUS 0x10 /* firmware download status */
+#define BSR3_CONF_DN 0x20 /* firmware download done */
+#define BSR3_IB_NEG 0x40 /* negated identification bit */
+#define BSR3_ZERO 0x80 /* always zero */
+
+/*
+ * Board control register 0 bits.
+ */
+#define BCR0_IRQ_DIS 0x00 /* no interrupt generated */
+#define BCR0_IRQ_3 0x01 /* select IRQ number 3 */
+#define BCR0_IRQ_5 0x02 /* select IRQ number 5 */
+#define BCR0_IRQ_7 0x03 /* select IRQ number 7 */
+#define BCR0_IRQ_10 0x04 /* select IRQ number 10 */
+#define BCR0_IRQ_11 0x05 /* select IRQ number 11 */
+#define BCR0_IRQ_12 0x06 /* select IRQ number 12 */
+#define BCR0_IRQ_15 0x07 /* select IRQ number 15 */
+#define BCR0_IRQ_MASK 0x07 /* IRQ mask */
+
+#define BCR0_HDRUN 0x08 /* inverted board reset flag */
+
+#define BCR0_DMA_DIS 0x00 /* no interrupt generated */
+#define BCR0_DMA_5 0x10 /* select DMA channel 5 */
+#define BCR0_DMA_6 0x20 /* select DMA channel 6 */
+#define BCR0_DMA_7 0x30 /* select DMA channel 7 */
+
+#define BCR0_TCK 0x80 /* firmware download TCK signal */
+
+/*
+ * Board control register 1 bits.
+ */
+#define BCR1_DTR0 0x01 /* channel 0 DTR enable */
+#define BCR1_DTR1 0x02 /* channel 1 DTR enable */
+
+#define BCR1_TXCOUT0 0x10 /* channel 0 TXCOUT enable */
+#define BCR1_TXCOUT1 0x20 /* channel 1 TXCOUT enable */
+
+#define BCR1_TMS 0x08 /* firmware download TMS signal */
+#define BCR1_TDI 0x80 /* firmware download TDI signal */
+
+#define BCR1_NCONFIGI 0x08 /* firmware download start */
+#define BCR1_DCLK 0x40 /* firmware download clock */
+#define BCR1_1KDAT 0x80 /* firmware download data */
+
+/*
+ * Board control register 2 bits -- see ctau.h.
+ */
+
+#define IMVR(b) R(b,HD_IMVR) /* interrupt modified vector reg. */
+#define ITCR(b) R(b,HD_ITCR) /* interrupt control register */
+#define ISR0(b) R(b,HD_ISR0) /* interrupt status register 0, ro */
+#define ISR1(b) R(b,HD_ISR1) /* interrupt status register 1, ro */
+#define ISR2(b) R(b,HD_ISR2) /* interrupt status register 2, ro */
+#define IER0(b) R(b,HD_IER0) /* interrupt enable register 0 */
+#define IER1(b) R(b,HD_IER1) /* interrupt enable register 1 */
+#define IER2(b) R(b,HD_IER2) /* interrupt enable register 2 */
+#define PCR(b) R(b,HD_PCR) /* DMA priority control register */
+#define DMER(b) R(b,HD_DMER) /* DMA master enable register */
+#define WCRL(b) R(b,HD_WCRL) /* wait control register L */
+#define WCRM(b) R(b,HD_WCRM) /* wait control register M */
+#define WCRH(b) R(b,HD_WCRH) /* wait control register H */
+
+/*------------------------------------------------------------
+ * Tau/E1 model.
+ */
+#define E1CFG(p) GR(p,0) /* control register 0, write only */
+#define E1SR(p) GR(p,0) /* status register, read only */
+#define E1CS2(p) GR(p,1) /* chip select 2/IACK, read/write */
+#define E1SYN(p) GR(p,3) /* sync mode enable, write only */
+#define E1CS0(p) GR(p,4) /* chip select 0, write only */
+#define E1CS1(p) GR(p,5) /* chip select 1, write only */
+#define E1DAT(p) GR(p,7) /* selected chip read/write */
+
+/*
+ * Tau/E1 CS2/IACK register bits.
+ */
+#define E1CS2_IACK 0x08 /* serial controller interrupt acknowledge */
+#define E1CS2_SCC 0x04 /* serial controller select */
+#define E1CS2_AB 0x02 /* serial controller A/B signal */
+#define E1CS2_DC 0x01 /* serial controller D/C signal */
+
+/*
+ * Tau/E1 control register bits.
+ */
+#define E1CFG_II 0x00 /* configuration II */
+#define E1CFG_K 0x01 /* configuration K */
+#define E1CFG_HI 0x02 /* configuration HI */
+#define E1CFG_D 0x03 /* configuration D */
+
+#define E1CFG_CLK0_INT 0x00 /* channel E0 transmit clock - internal */
+#define E1CFG_CLK0_RCV 0x04 /* channel E0 transmit clock - RCLK0 */
+#define E1CFG_CLK0_RCLK1 0x08 /* channel E0 transmit clock - RCLK1 */
+
+#define E1CFG_CLK1_INT 0x00 /* channel E1 transmit clock - internal */
+#define E1CFG_CLK1_RCLK0 0x10 /* channel E1 transmit clock - RCLK0 */
+#define E1CFG_CLK1_RCV 0x20 /* channel E1 transmit clock - RCLK1 */
+
+#define E1CFG_LED 0x40 /* LED control */
+#define E1CFG_GRUN 0x80 /* global run flag */
+
+/*
+ * Tau/E1 sync control register bits.
+ */
+#define E1SYN_ENS0 0x01 /* enable channel 0 sync mode */
+#define E1SYN_ENS1 0x02 /* enable channel 1 sync mode */
+
+/*
+ * Tau/E1 status register bits.
+ */
+#define E1SR_E0_IRQ0 0x01 /* E0 controller interrupt 0 */
+#define E1SR_E0_IRQ1 0x02 /* E0 controller interrupt 1 */
+#define E1SR_E1_IRQ0 0x04 /* E1 controller interrupt 0 */
+#define E1SR_E1_IRQ1 0x08 /* E1 controller interrupt 1 */
+#define E1SR_SCC_IRQ 0x10 /* serial controller interrupt */
+#define E1SR_TP0 0x20 /* channel 0 is twisted pair */
+#define E1SR_TP1 0x40 /* channel 1 is twisted pair */
+#define E1SR_REV 0x80 /* Tau/E1 revision */
+
+/*
+ * Tau/E1 serial memory register bits.
+ */
+
+/*------------------------------------------------------------
+ * Tau/G.703 model.
+ */
+#define GLCR0(p) GR(p,3) /* line control register 0, write only */
+#define GMD0(p) GR(p,4) /* mode register 0, write only */
+#define GMD1(p) GR(p,5) /* mode register 1, write only */
+#define GMD2(p) GR(p,6) /* mode register 2, write only */
+#define GLCR1(p) GR(p,7) /* line control register 1, write only */
+#define GERR(p) GR(p,0) /* error register, read/write */
+#define GLQ(p) GR(p,1) /* line quality register, read only */
+#define GLDR(p) GR(p,2) /* loop detect request, read only */
+
+/*
+ * Tau/G.703 mode register 0/1 bits.
+ */
+#define GMD_2048 0x00 /* 2048 kbit/sec */
+#define GMD_1024 0x02 /* 1024 kbit/sec */
+#define GMD_512 0x03 /* 512 kbit/sec */
+#define GMD_256 0x04 /* 256 kbit/sec */
+#define GMD_128 0x05 /* 128 kbit/sec */
+#define GMD_64 0x06 /* 64 kbit/sec */
+
+#define GMD_RSYNC 0x08 /* receive synchronization */
+#define GMD_PCE_PCM2 0x10 /* precoder enable, mode PCM2 */
+#define GMD_PCE_PCM2D 0x20 /* precoder enable, mode PCM2D */
+
+#define GMD0_SDI 0x40 /* serial data input */
+#define GMD0_SCLK 0x80 /* serial data clock */
+
+#define GMD1_NCS0 0x40 /* chip select 0 inverted */
+#define GMD1_NCS1 0x80 /* chip select 1 inverted */
+
+/*
+ * Tau/G.703 mode register 2 bits.
+ */
+#define GMD2_SERIAL 0x01 /* channel 1 serial interface V.35/RS-232/etc */
+#define GMD2_LED 0x02 /* LED control */
+#define GMD2_RAW0 0x04 /* channel 0 raw mode (byte-sync) */
+#define GMD2_RAW1 0x08 /* channel 1 raw mode (byte-sync) */
+
+/*
+ * Tau/G.703 interrupt status register bits.
+ */
+#define GERR_BPV0 0x01 /* channel 0 bipolar violation */
+#define GERR_ERR0 0x02 /* channel 0 test error */
+#define GERR_BPV1 0x04 /* channel 1 bipolar violation */
+#define GERR_ERR1 0x08 /* channel 1 test error */
+
+/*
+ * Tau/G.703 line quality register bits.
+ */
+#define GLQ_MASK 0x03 /* channel 0 mask */
+#define GLQ_SHIFT 2 /* channel 1 shift */
+
+#define GLQ_DB0 0x00 /* channel 0 level 0.0 dB */
+#define GLQ_DB95 0x01 /* channel 0 level -9.5 dB */
+#define GLQ_DB195 0x02 /* channel 0 level -19.5 dB */
+#define GLQ_DB285 0x03 /* channel 0 level -28.5 dB */
+
+/*
+ * Tau/G.703 serial data output register bits.
+ */
+#define GLDR_C0 0x01 /* chip 0 serial data output */
+#define GLDR_LREQ0 0x02 /* channel 0 remote loop request */
+#define GLDR_C1 0x04 /* chip 1 serial data output */
+#define GLDR_LREQ1 0x08 /* channel 1 remote loop request */
+
+/*
+ * Tau/G.703 line control register 0/1 bits.
+ */
+#define GLCR_RENABLE 0x00 /* normal mode, auto remote loop enabled */
+#define GLCR_RDISABLE 0x01 /* normal mode, auto remote loop disabled */
+#define GLCR_RREFUSE 0x02 /* send the remote loop request sequence */
+#define GLCR_RREQUEST 0x03 /* send the remote loop refuse sequence */