1 /* $NetBSD: escreg.h,v 1.1 2001/10/05 22:27:55 reinoud Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Daniel Widenfalk 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Daniel Widenfalk 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _ESCREG_H_ 34 #define _ESCREG_H_ 35 36 /* 37 * AMD AM53CF94 SCSI interface hardware description. 38 */ 39 40 typedef volatile unsigned char vu_char; 41 42 typedef struct { 43 vu_char *esc_tc_low; /* rw: Transfer count low */ 44 vu_char *esc_tc_mid; /* rw: Transfer count mid */ 45 vu_char *esc_fifo; /* rw: Data FIFO */ 46 vu_char *esc_command; /* rw: Chip command reg */ 47 vu_char *esc_dest_id; /* w: (Re)select bus ID */ 48 #define esc_status esc_dest_id /* r: Status */ 49 vu_char *esc_timeout; /* w: (Re)select timeout */ 50 #define esc_interrupt esc_timeout /* r: Interrupt */ 51 vu_char *esc_syncper; /* w: Synch. transfer period */ 52 #define esc_seqstep esc_syncper /* r: Sequence step */ 53 vu_char *esc_syncoff; /* w: Synch. transfer offset */ 54 #define esc_fifo_flags esc_syncoff /* r: FIFO flags */ 55 vu_char *esc_config1; /* rw: Config register #1 */ 56 vu_char *esc_clkconv; /* w: Clock conv. factor */ 57 vu_char *esc_test; /* w: Test register */ 58 vu_char *esc_config2; /* rw: Config register #2 */ 59 vu_char *esc_config3; /* rw: Config register #3 */ 60 vu_char *esc_config4; /* rw: Config register #4 */ 61 vu_char *esc_tc_high; /* rw: Transfer count high */ 62 vu_char *esc_fifo_bot; /* w: FIFO bottom register */ 63 } esc_regmap_t; 64 typedef esc_regmap_t *esc_regmap_p; 65 66 /* Commands for the FAS216 */ 67 #define ESC_CMD_DMA 0x80 68 69 #define ESC_CMD_SEL_NO_ATN 0x41 70 #define ESC_CMD_SEL_ATN 0x42 71 #define ESC_CMD_SEL_ATN3 0x46 72 #define ESC_CMD_SEL_ATN_STOP 0x43 73 74 #define ESC_CMD_ENABLE_RESEL 0x44 75 #define ESC_CMD_DISABLE_RESEL 0x45 76 77 #define ESC_CMD_TRANSFER_INFO 0x10 78 #define ESC_CMD_TRANSFER_PAD 0x98 79 80 #define ESC_CMD_COMMAND_COMPLETE 0x11 81 #define ESC_CMD_MESSAGE_ACCEPTED 0x12 82 83 #define ESC_CMD_SET_ATN 0x1A 84 #define ESC_CMD_RESET_ATN 0x1B 85 86 #define ESC_CMD_NOP 0x00 87 #define ESC_CMD_FLUSH_FIFO 0x01 88 #define ESC_CMD_RESET_CHIP 0x02 89 #define ESC_CMD_RESET_SCSI_BUS 0x03 90 91 #define ESC_STAT_PHASE_MASK 0x07 92 #define ESC_STAT_PHASE_TRANS_CPLT 0x08 93 #define ESC_STAT_TRANSFER_COUNT_ZERO 0x10 94 #define ESC_STAT_PARITY_ERROR 0x20 95 #define ESC_STAT_GROSS_ERROR 0x40 96 #define ESC_STAT_INTERRUPT_PENDING 0x80 97 98 #define ESC_PHASE_DATA_OUT 0 99 #define ESC_PHASE_DATA_IN 1 100 #define ESC_PHASE_COMMAND 2 101 #define ESC_PHASE_STATUS 3 102 #define ESC_PHASE_MESSAGE_OUT 6 103 #define ESC_PHASE_MESSAGE_IN 7 104 105 #define ESC_DEST_ID_MASK 0x07 106 107 #define ESC_INT_SELECTED 0x01 108 #define ESC_INT_SELECTED_WITH_ATN 0x02 109 #define ESC_INT_RESELECTED 0x04 110 #define ESC_INT_FUNCTION_COMPLETE 0x08 111 #define ESC_INT_BUS_SERVICE 0x10 112 #define ESC_INT_DISCONNECT 0x20 113 #define ESC_INT_ILLEGAL_COMMAND 0x40 114 #define ESC_INT_SCSI_RESET_DETECTED 0x80 115 116 #define ESC_SYNCHRON_PERIOD_MASK 0x1F 117 118 #define ESC_FIFO_COUNT_MASK 0x1F 119 #define ESC_FIFO_SEQUENCE_STEP_MASK 0xE0 120 #define ESC_FIFO_SEQUENCE_SHIFT 5 121 122 #define ESC_SYNCHRON_OFFSET_MASK 0x0F 123 #define ESC_SYNC_ASSERT_MASK 0x30 124 #define ESC_SYNC_ASSERT_SHIFT 4 125 #define ESC_SYNC_DEASSERT_MASK 0x30 126 #define ESC_SYNC_DEASSERT_SHIFT 6 127 128 #define ESC_CFG1_BUS_ID_MASK 0x07 129 #define ESC_CFG1_CHIP_TEST_MODE 0x08 130 #define ESC_CFG1_SCSI_PARITY_ENABLE 0x10 131 #define ESC_CFG1_PARITY_TEST_MODE 0x20 132 #define ESC_CFG1_SCSI_RES_INT_DIS 0x40 133 #define ESC_CFG1_SLOW_CABLE_MODE 0x80 134 135 #define ESC_CLOCK_CONVERSION_MASK 0x07 136 137 #define ESC_TEST_TARGET_TEST_MODE 0x01 138 #define ESC_TEST_INITIATOR_TEST_MODE 0x02 139 #define ESC_TEST_TRISTATE_TEST_MODE 0x04 140 141 #define ESC_CFG2_DMA_PARITY_ENABLE 0x01 142 #define ESC_CFG2_REG_PARITY_ENABLE 0x02 143 #define ESC_CFG2_TARG_BAD_PARITY_ABORT 0x04 144 #define ESC_CFG2_SCSI_2_MODE 0x08 145 #define ESC_CFG2_TRISTATE_DMA_REQ 0x10 146 #define ESC_CFG2_BYTE_CONTROL_MODE 0x20 147 #define ESC_CFG2_FEATURES_ENABLE 0x40 148 #define ESC_CFG2_RESERVE_FIFO_BYTE 0x80 149 150 #define ESC_CFG3_THRESHOLD_8_MODE 0x01 151 #define ESC_CFG3_ALTERNATE_DMA_MODE 0x02 152 #define ESC_CFG3_SAVE_RESIDUAL_BYTE 0x04 153 #define ESC_CFG3_FASTCLK 0x08 154 #define ESC_CFG3_FASTSCSI 0x10 155 #define ESC_CFG3_CDB10 0x20 156 #define ESC_CFG3_QENB 0x40 157 #define ESC_CFG3_IDRESCHK 0x80 158 159 #define ESC_CFG4_RADE 0x04 160 #define ESC_CFG4_RAE 0x08 161 #define ESC_CFG4_POWERDOWN 0x20 162 #define ESC_CFG4_GLITCH_EATER_0 0x40 163 #define ESC_CFG4_GLITCH_EATER_1 0x80 164 165 #endif 166
Indexes created Thu Oct 23 22:10:10 GMT 2025