84 lines
3.6 KiB
C
84 lines
3.6 KiB
C
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/* $NetBSD: siopvar.h,v 1.1 2000/04/21 17:56:59 bouyer Exp $ */
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/*
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* Copyright (c) 2000 Manuel Bouyer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/* structure and definitions for the siop driver */
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TAILQ_HEAD(cmd_list, siop_cmd);
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/* Driver internal state */
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struct siop_softc {
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struct device sc_dev;
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struct scsipi_link sc_link; /* link to upper level */
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int features; /* chip's features */
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u_int8_t maxburst;
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u_int8_t maxoff;
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u_int8_t clock_div;
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bus_space_tag_t sc_rt; /* bus_space registers tag */
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bus_space_handle_t sc_rh; /* bus_space registers handle */
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bus_addr_t sc_raddr; /* register adresses */
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bus_dma_tag_t sc_dmat; /* bus DMA tag */
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bus_dmamap_t sc_scriptdma; /* DMA map for script */
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u_int32_t *sc_script; /* script location in memory */
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struct cmd_list free_list; /* cmd descr free list */
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struct cmd_list active_list[16]; /* per-target active cmds */
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int current_target; /* current target */
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u_int32_t sc_flags;
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};
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/* defs for sc_flags */
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#define SC_CTRL_ACTIVE 0x00000001 /* controller already running */
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/* features */
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#define SF_BUS_WIDE 0x00000001 /* wide bus */
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#define SF_BUS_ULTRA 0x00000002 /* Ultra (20Mhz) bus */
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#define SF_BUS_ULTRA2 0x00000004 /* Ultra2 (40Mhz) bus */
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#define SF_BUS_DIFF 0x00000008 /* differential bus */
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#define SF_CHIP_LED0 0x00000100 /* led on GPIO0 */
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#define SF_CHIP_DBLR 0x00000200 /* clock doubler */
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#define SF_CHIP_QUAD 0x00000400 /* clock quadrupler */
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#define SF_CHIP_CLK80 0x00000800 /* 80Mhz clock */
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#define SF_CHIP_FIFO 0x00001000 /* large fifo */
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#define SF_CHIP_PF 0x00002000 /* Intructions prefetch */
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#define SF_CHIP_RAM 0x00004000 /* on-board RAM */
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#define SF_PCI_RL 0x01000000 /* PCI read line */
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#define SF_PCI_RM 0x02000000 /* PCI read multiple */
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#define SF_PCI_BOF 0x04000000 /* PCI burst opcode fetch */
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#define SF_PCI_CLS 0x08000000 /* PCI cache line size */
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#define SF_PCI_WRI 0x10000000 /* PCI write and invalidate */
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void siop_attach __P((struct siop_softc *));
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int siop_intr __P((void *));
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