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/* $NetBSD: sfasreg.h,v 1.1 1996/01/31 23:26:45 mark Exp $ */
/*
* Copyright (c) 1995 Daniel Widenfalk
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Daniel Widenfalk
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SFASREG_H_
#define _SFASREG_H_
/*
* Emulex FAS216 SCSI interface hardware description.
*/
typedef volatile unsigned char vu_char;
typedef struct {
vu_char *sfas_tc_low; /* rw: Transfer count low */
vu_char *sfas_tc_mid; /* rw: Transfer count mid */
vu_char *sfas_fifo; /* rw: Data FIFO */
vu_char *sfas_command; /* rw: Chip command reg */
vu_char *sfas_dest_id; /* w: (Re)select bus ID */
#define sfas_status sfas_dest_id /* r: Status */
vu_char *sfas_timeout; /* w: (Re)select timeout */
#define sfas_interrupt sfas_timeout /* r: Interrupt */
vu_char *sfas_syncper; /* w: Synch. transfer period */
#define sfas_seqstep sfas_syncper /* r: Sequence step */
vu_char *sfas_syncoff; /* w: Synch. transfer offset */
#define sfas_fifo_flags sfas_syncoff /* r: FIFO flags */
vu_char *sfas_config1; /* rw: Config register #1 */
vu_char *sfas_clkconv; /* w: Clock conv. factor */
vu_char *sfas_test; /* w: Test register */
vu_char *sfas_config2; /* rw: Config register #2 */
vu_char *sfas_config3; /* rw: Config register #3 */
vu_char *sfas_tc_high; /* rw: Transfer count high */
vu_char *sfas_fifo_bot; /* w: FIFO bottom register */
} sfas_regmap_t;
typedef sfas_regmap_t *sfas_regmap_p;
/* Commands for the FAS216 */
#define SFAS_CMD_DMA 0x80
#define SFAS_CMD_SEL_NO_ATN 0x41
#define SFAS_CMD_SEL_ATN 0x42
#define SFAS_CMD_SEL_ATN3 0x46
#define SFAS_CMD_SEL_ATN_STOP 0x43
#define SFAS_CMD_ENABLE_RESEL 0x44
#define SFAS_CMD_DISABLE_RESEL 0x45
#define SFAS_CMD_TRANSFER_INFO 0x10
#define SFAS_CMD_TRANSFER_PAD 0x98
#define SFAS_CMD_COMMAND_COMPLETE 0x11
#define SFAS_CMD_MESSAGE_ACCEPTED 0x12
#define SFAS_CMD_SET_ATN 0x1A
#define SFAS_CMD_RESET_ATN 0x1B
#define SFAS_CMD_NOP 0x00
#define SFAS_CMD_FLUSH_FIFO 0x01
#define SFAS_CMD_RESET_CHIP 0x02
#define SFAS_CMD_RESET_SCSI_BUS 0x03
#define SFAS_STAT_PHASE_MASK 0x07
#define SFAS_STAT_PHASE_TRANS_CPLT 0x08
#define SFAS_STAT_TRANSFER_COUNT_ZERO 0x10
#define SFAS_STAT_PARITY_ERROR 0x20
#define SFAS_STAT_GROSS_ERROR 0x40
#define SFAS_STAT_INTERRUPT_PENDING 0x80
#define SFAS_PHASE_DATA_OUT 0
#define SFAS_PHASE_DATA_IN 1
#define SFAS_PHASE_COMMAND 2
#define SFAS_PHASE_STATUS 3
#define SFAS_PHASE_MESSAGE_OUT 6
#define SFAS_PHASE_MESSAGE_IN 7
#define SFAS_DEST_ID_MASK 0x07
#define SFAS_INT_SELECTED 0x01
#define SFAS_INT_SELECTED_WITH_ATN 0x02
#define SFAS_INT_RESELECTED 0x04
#define SFAS_INT_FUNCTION_COMPLETE 0x08
#define SFAS_INT_BUS_SERVICE 0x10
#define SFAS_INT_DISCONNECT 0x20
#define SFAS_INT_ILLEGAL_COMMAND 0x40
#define SFAS_INT_SCSI_RESET_DETECTED 0x80
#define SFAS_SYNCHRON_PERIOD_MASK 0x1F
#define SFAS_FIFO_COUNT_MASK 0x1F
#define SFAS_FIFO_SEQUENCE_STEP_MASK 0xE0
#define SFAS_FIFO_SEQUENCE_SHIFT 5
#define SFAS_SYNCHRON_OFFSET_MASK 0x0F
#define SFAS_SYNC_ASSERT_MASK 0x30
#define SFAS_SYNC_ASSERT_SHIFT 4
#define SFAS_SYNC_DEASSERT_MASK 0x30
#define SFAS_SYNC_DEASSERT_SHIFT 6
#define SFAS_CFG1_BUS_ID_MASK 0x07
#define SFAS_CFG1_CHIP_TEST_MODE 0x08
#define SFAS_CFG1_SCSI_PARITY_ENABLE 0x10
#define SFAS_CFG1_PARITY_TEST_MODE 0x20
#define SFAS_CFG1_SCSI_RES_INT_DIS 0x40
#define SFAS_CFG1_SLOW_CABLE_MODE 0x80
#define SFAS_CLOCK_CONVERSION_MASK 0x07
#define SFAS_TEST_TARGET_TEST_MODE 0x01
#define SFAS_TEST_INITIATOR_TEST_MODE 0x02
#define SFAS_TEST_TRISTATE_TEST_MODE 0x04
#define SFAS_CFG2_DMA_PARITY_ENABLE 0x01
#define SFAS_CFG2_REG_PARITY_ENABLE 0x02
#define SFAS_CFG2_TARG_BAD_PARITY_ABORT 0x04
#define SFAS_CFG2_SCSI_2_MODE 0x08
#define SFAS_CFG2_TRISTATE_DMA_REQ 0x10
#define SFAS_CFG2_BYTE_CONTROL_MODE 0x20
#define SFAS_CFG2_FEATURES_ENABLE 0x40
#define SFAS_CFG2_RESERVE_FIFO_BYTE 0x80
#define SFAS_CFG3_THRESHOLD_8_MODE 0x01
#define SFAS_CFG3_ALTERNATE_DMA_MODE 0x02
#define SFAS_CFG3_SAVE_RESIDUAL_BYTE 0x04
#define SFAS_CFG3_FASTCLK 0x08
#define SFAS_CFG3_FASTSCSI 0x10
#define SFAS_CFG3_CDB10 0x20
#define SFAS_CFG3_QENB 0x40
#define SFAS_CFG3_IDRESCHK 0x80
#endif
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