/*-
* Copyright (c) 1999 Luoqi Chen.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
struct aic_transinfo {
u_int8_t period;
u_int8_t offset;
};
struct aic_tinfo {
u_int16_t lubusy;
u_int8_t flags;
u_int8_t scsirate;
struct aic_transinfo current;
struct aic_transinfo goal;
struct aic_transinfo user;
};
#define TINFO_DISC_ENB 0x01
#define TINFO_TAG_ENB 0x02
#define TINFO_SDTR_NEGO 0x04
#define TINFO_SDTR_SENT 0x08
struct aic_scb {
union ccb *ccb;
SLIST_ENTRY(aic_scb) link;
struct callout timer;
u_int8_t flags;
u_int8_t tag;
u_int8_t target;
u_int8_t lun;
u_int8_t status;
u_int8_t cmd_len;
u_int8_t *cmd_ptr;
u_int32_t data_len;
u_int8_t *data_ptr;
};
#define ccb_scb_ptr spriv_ptr0
#define ccb_aic_ptr spriv_ptr1
#define SCB_ACTIVE 0x01
#define SCB_DISCONNECTED 0x02
#define SCB_DEVICE_RESET 0x04
#define SCB_SENSE 0x08
enum { AIC6260, AIC6360, AIC6370, GM82C700 };
struct aic_softc {
device_t dev;
struct mtx lock;
struct resource *res;
bus_dma_tag_t dmat;
struct cam_sim *sim;
struct cam_path *path;
TAILQ_HEAD(,ccb_hdr) pending_ccbs, nexus_ccbs;
SLIST_HEAD(,aic_scb) free_scbs;
struct aic_scb *nexus;
u_int32_t flags;
u_int8_t initiator;
u_int8_t state;
u_int8_t target;
u_int8_t lun;
u_int8_t prev_phase;
u_int8_t msg_outq;
u_int8_t msg_sent;
int msg_len;
char msg_buf[8];
struct aic_tinfo tinfo[8];
struct aic_scb scbs[256];
int min_period;
int max_period;
int chip_type;
};
#define AIC_DISC_ENABLE 0x01
#define AIC_DMA_ENABLE 0x02
#define AIC_PARITY_ENABLE 0x04
#define AIC_DWIO_ENABLE 0x08
#define AIC_RESOURCE_SHORTAGE 0x10
#define AIC_DROP_MSGIN 0x20
#define AIC_BUSFREE_OK 0x40
#define AIC_FAST_ENABLE 0x80
#define AIC_IDLE 0x00
#define AIC_SELECTING 0x01
#define AIC_RESELECTED 0x02
#define AIC_RECONNECTING 0x03
#define AIC_HASNEXUS 0x04
#define AIC_MSG_IDENTIFY 0x01
#define AIC_MSG_TAG_Q 0x02
#define AIC_MSG_SDTR 0x04
#define AIC_MSG_WDTR 0x08
#define AIC_MSG_MSGBUF 0x80
#define AIC_SYNC_PERIOD (200 / 4)
#define AIC_FAST_SYNC_PERIOD (100 / 4)
#define AIC_MIN_SYNC_PERIOD 112
#define AIC_SYNC_OFFSET 8
#define aic_inb(aic, port) \
bus_read_1((aic)->res, (port))
#define aic_outb(aic, port, value) \
bus_write_1((aic)->res, (port), (value))
#define aic_insb(aic, port, addr, count) \
bus_read_multi_1((aic)->res, (port), (addr), (count))
#define aic_outsb(aic, port, addr, count) \
bus_write_multi_1((aic)->res, (port), (addr), (count))
#define aic_insw(aic, port, addr, count) \
bus_read_multi_2((aic)->res, (port), (u_int16_t *)(addr), (count))
#define aic_outsw(aic, port, addr, count) \
bus_write_multi_2((aic)->res, (port), (u_int16_t *)(addr), (count))
#define aic_insl(aic, port, addr, count) \
bus_read_multi_4((aic)->res, (port), (u_int32_t *)(addr), (count))
#define aic_outsl(aic, port, addr, count) \
bus_write_multi_4((aic)->res, (port), (u_int32_t *)(addr), (count))
extern int aic_probe(struct aic_softc *);
extern int aic_attach(struct aic_softc *);
extern int aic_detach(struct aic_softc *);
extern void aic_intr(void *);
