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/* $OpenBSD: siopvar.h,v 1.2 2001/03/01 17:14:28 krw Exp $ */
/* $NetBSD: siopvar.h,v 1.13 2000/10/23 23:18:11 bouyer Exp $ */
/*
* Copyright (c) 2000 Manuel Bouyer.
*
* 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 Manuel Bouyer
* 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.
*
*/
/* structure and definitions for the siop driver */
TAILQ_HEAD(cmd_list, siop_cmd);
TAILQ_HEAD(cbd_list, siop_cbd);
TAILQ_HEAD(lunsw_list, siop_lunsw);
/* Driver internal state */
struct siop_softc {
struct device sc_dev;
struct scsi_link sc_link; /* link to upper level */
int features; /* chip's features */
int ram_size;
int maxburst;
int maxoff;
int clock_div; /* async. clock divider (scntl3) */
int clock_period; /* clock period (ns * 10) */
int minsync; /* min and max sync period, */
int maxsync; /* as sent in SDTR message */
bus_space_tag_t sc_rt; /* bus_space registers tag */
bus_space_handle_t sc_rh; /* bus_space registers handle */
bus_addr_t sc_raddr; /* register adresses */
bus_space_tag_t sc_ramt; /* bus_space ram tag */
bus_space_handle_t sc_ramh; /* bus_space ram handle */
bus_dma_tag_t sc_dmat; /* bus DMA tag */
void (*sc_reset) __P((struct siop_softc*)); /* reset callback */
bus_dmamap_t sc_scriptdma; /* DMA map for script */
bus_addr_t sc_scriptaddr; /* on-board ram or physical adress */
u_int32_t *sc_script; /* script location in memory */
int sc_currschedslot; /* current scheduler slot */
struct cbd_list cmds; /* list of command block descriptors */
struct cmd_list free_list; /* cmd descr free list */
struct cmd_list urgent_list; /* high priority cmd descr list */
struct cmd_list ready_list; /* cmd descr ready list */
struct lunsw_list lunsw_list; /* lunsw free list */
u_int32_t script_free_lo; /* free ram offset from sc_scriptaddr */
u_int32_t script_free_hi; /* free ram offset from sc_scriptaddr */
struct siop_target *targets[16]; /* per-target states */
int sc_ntargets; /* number of known targets */
u_int32_t sc_flags;
};
/* defs for sc_flags */
/* none for now */
/* features */
#define SF_BUS_WIDE 0x00000001 /* wide bus */
#define SF_BUS_ULTRA 0x00000002 /* Ultra (20Mhz) bus */
#define SF_BUS_ULTRA2 0x00000004 /* Ultra2 (40Mhz) bus */
#define SF_BUS_DIFF 0x00000008 /* differential bus */
#define SF_CHIP_LED0 0x00000100 /* led on GPIO0 */
#define SF_CHIP_DBLR 0x00000200 /* clock doubler */
#define SF_CHIP_QUAD 0x00000400 /* clock quadrupler */
#define SF_CHIP_FIFO 0x00000800 /* large fifo */
#define SF_CHIP_PF 0x00001000 /* Intructions prefetch */
#define SF_CHIP_RAM 0x00002000 /* on-board RAM */
#define SF_CHIP_LS 0x00004000 /* load/store instruction */
#define SF_CHIP_10REGS 0x00008000 /* 10 scratch registers */
#define SF_PCI_RL 0x01000000 /* PCI read line */
#define SF_PCI_RM 0x02000000 /* PCI read multiple */
#define SF_PCI_BOF 0x04000000 /* PCI burst opcode fetch */
#define SF_PCI_CLS 0x08000000 /* PCI cache line size */
#define SF_PCI_WRI 0x10000000 /* PCI write and invalidate */
void siop_attach __P((struct siop_softc *));
int siop_intr __P((void *));
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