1/*- 2 * Copyright (c) 1999 Luoqi Chen. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29struct aic_transinfo { 30 u_int8_t period; 31 u_int8_t offset; 32}; 33 34struct aic_tinfo { 35 u_int16_t lubusy; 36 u_int8_t flags; 37 u_int8_t scsirate; 38 struct aic_transinfo current; 39 struct aic_transinfo goal; 40 struct aic_transinfo user; 41}; 42 43#define TINFO_DISC_ENB 0x01 44#define TINFO_TAG_ENB 0x02 45#define TINFO_SDTR_NEGO 0x04 46#define TINFO_SDTR_SENT 0x08 47 48struct aic_scb { 49 union ccb *ccb; 50 u_int8_t flags; 51 u_int8_t tag; 52 u_int8_t target; 53 u_int8_t lun; 54 u_int8_t status; 55 u_int8_t cmd_len; 56 u_int8_t *cmd_ptr; 57 u_int32_t data_len; 58 u_int8_t *data_ptr; 59}; 60 61#define ccb_scb_ptr spriv_ptr0 62#define ccb_aic_ptr spriv_ptr1 63 64#define SCB_ACTIVE 0x01 65#define SCB_DISCONNECTED 0x02 66#define SCB_DEVICE_RESET 0x04 67#define SCB_SENSE 0x08 68 69enum { AIC6260, AIC6360, AIC6370, GM82C700 }; 70 71struct aic_softc { 72 device_t dev; 73 int unit; 74 bus_space_tag_t tag; 75 bus_space_handle_t bsh; 76 bus_dma_tag_t dmat; 77 78 struct cam_sim *sim; 79 struct cam_path *path; 80 TAILQ_HEAD(,ccb_hdr) pending_ccbs, nexus_ccbs; 81 struct aic_scb *nexus; 82 83 u_int32_t flags; 84 u_int8_t initiator; 85 u_int8_t state; 86 u_int8_t target; 87 u_int8_t lun; 88 u_int8_t prev_phase; 89 90 u_int8_t msg_outq; 91 u_int8_t msg_sent; 92 int msg_len; 93 char msg_buf[8]; 94 95 struct aic_tinfo tinfo[8]; 96 struct aic_scb scbs[256]; 97 98 int min_period; 99 int max_period; 100 int chip_type; 101}; 102 103#define AIC_DISC_ENABLE 0x01 104#define AIC_DMA_ENABLE 0x02 105#define AIC_PARITY_ENABLE 0x04 106#define AIC_DWIO_ENABLE 0x08 107#define AIC_RESOURCE_SHORTAGE 0x10 108#define AIC_DROP_MSGIN 0x20 109#define AIC_BUSFREE_OK 0x40 110#define AIC_FAST_ENABLE 0x80 111 112#define AIC_IDLE 0x00 113#define AIC_SELECTING 0x01 114#define AIC_RESELECTED 0x02 115#define AIC_RECONNECTING 0x03 116#define AIC_HASNEXUS 0x04 117 118#define AIC_MSG_IDENTIFY 0x01 119#define AIC_MSG_TAG_Q 0x02 120#define AIC_MSG_SDTR 0x04 121#define AIC_MSG_WDTR 0x08 122#define AIC_MSG_MSGBUF 0x80 123 124#define AIC_SYNC_PERIOD (200 / 4) 125#define AIC_FAST_SYNC_PERIOD (100 / 4) 126#define AIC_MIN_SYNC_PERIOD 112 127#define AIC_SYNC_OFFSET 8 128 129#define aic_inb(aic, port) \ 130 bus_space_read_1((aic)->tag, (aic)->bsh, (port)) 131 132#define aic_outb(aic, port, value) \ 133 bus_space_write_1((aic)->tag, (aic)->bsh, (port), (value)) 134 135#define aic_insb(aic, port, addr, count) \ 136 bus_space_read_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count)) 137 138#define aic_outsb(aic, port, addr, count) \ 139 bus_space_write_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count)) 140 141#define aic_insw(aic, port, addr, count) \ 142 bus_space_read_multi_2((aic)->tag, (aic)->bsh, (port), \ 143 (u_int16_t *)(addr), (count)) 144 145#define aic_outsw(aic, port, addr, count) \ 146 bus_space_write_multi_2((aic)->tag, (aic)->bsh, (port), \ 147 (u_int16_t *)(addr), (count)) 148 149#define aic_insl(aic, port, addr, count) \ 150 bus_space_read_multi_4((aic)->tag, (aic)->bsh, (port), \ 151 (u_int32_t *)(addr), (count)) 152 153#define aic_outsl(aic, port, addr, count) \ 154 bus_space_write_multi_4((aic)->tag, (aic)->bsh, (port), \ 155 (u_int32_t *)(addr), (count)) 156 157extern int aic_probe(struct aic_softc *); 158extern int aic_attach(struct aic_softc *); 159extern int aic_detach(struct aic_softc *); 160extern void aic_intr(void *); 161