Return to ipicreg.h CVS log

Up to [local] / sys / arch / mvme68k / dev

Annotation of sys/arch/mvme68k/dev/ipicreg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: ipicreg.h,v 1.7 2005/11/24 22:43:16 miod Exp $ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1995 Theo de Raadt
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            21:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            22:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            23:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            24:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            25:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            26:  */
        !            27:
        !            28: struct ipicreg {
        !            29:        volatile u_char         ipic_chipid;
        !            30: #define IPIC_CHIPID    0x23
        !            31:        volatile u_char         ipic_chiprev;
        !            32:        volatile u_char         x0[2];
        !            33:        volatile u_short        ipic_base[4];           /* [slot] */
        !            34:        volatile u_char         ipic_size[4];           /* [slot] */
        !            35:        volatile u_char         ipic_irq[4][2];         /* [slot][irq#] */
        !            36: #define IPIC_IRQ_PLTY          0x80    /* 1 = rising edge activated */
        !            37: #define IPIC_IRQ_EL            0x40    /* 1 = edge, 0 = level sensitive */
        !            38: #define IPIC_IRQ_INT           0x20    /* interrupt is active */
        !            39: #define IPIC_IRQ_IEN           0x10    /* enable interrupt */
        !            40: #define IPIC_IRQ_ICLR          0x08    /* clear interrupt */
        !            41: #define IPIC_IRQ_IPLMASK       0x07
        !            42:        volatile u_char         ipic_ctl[4];            /* [slot] */
        !            43: #define IPIC_CTL_ERR           0x80    /* error from IP module */
        !            44: #define IPIC_CTL_RTMASK                0x30    /* recovery time, measured in ms */
        !            45: #define IPIC_CTL_RT0MS         0x00
        !            46: #define IPIC_CTL_RT2MS         0x10
        !            47: #define IPIC_CTL_RT4MS         0x20
        !            48: #define IPIC_CTL_RT8MS         0x30
        !            49: #define IPIC_CTL_WIDTHMASK     0x0c    /* bus width */
        !            50: #define IPIC_CTL_WIDTH32       0x00
        !            51: #define IPIC_CTL_WIDTH8                0x04
        !            52: #define IPIC_CTL_WIDTH16       0x08
        !            53: #define IPIC_CTL_MEN           0x01    /* ??? */
        !            54:        volatile u_char         x1[3];
        !            55:        volatile u_char         ipic_reset;
        !            56: #define IPIC_RESET             0x01    /* bit clears automatically after 1ms */
        !            57: };
        !            58:
        !            59: /*
        !            60:  * the following macros convert the size in bytes to/from the
        !            61:  * ipic_Xsize reg values. you should ensure your size in bytes
        !            62:  * is a legal value, which are 16K, or all the powers of 2 from
        !            63:  * 64K to 8M.
        !            64:  */
        !            65: #define IPIC_SIZE_BTOR(x) \
        !            66:        (((x) == 16*1024) ? (0xff) : (((x) / 64*1024) - 1))
        !            67: #define IPIC_SIZE_RTOB(x) \
        !            68:        (((x) == 0xff) ? (16*1024) : (((x) + 1) * 64*1024))
        !            69:
        !            70: struct ipid {
        !            71:        volatile u_char         ipid_I;         /* must be 'I' */
        !            72:        volatile u_char         :8;
        !            73:        volatile u_char         ipid_P;         /* must be 'P' */
        !            74:        volatile u_char         :8;
        !            75:        volatile u_char         ipid_A;         /* must be 'A' */
        !            76:        volatile u_char         :8;
        !            77:        volatile u_char         ipid_C;         /* must be 'C' */
        !            78:        volatile u_char         :8;
        !            79:        volatile u_char         ipid_manu;
        !            80:        volatile u_char         :8;
        !            81:        volatile u_char         ipid_prod;
        !            82:        volatile u_char         :8;
        !            83:        volatile u_char         ipid_rev;
        !            84:        volatile u_char         :8;
        !            85:        volatile u_char         ipid_zero;
        !            86:        volatile u_char         :8;
        !            87:        volatile u_char         ipid_didl;
        !            88:        volatile u_char         :8;
        !            89:        volatile u_char         ipid_didh;
        !            90:        volatile u_char         :8;
        !            91:        volatile u_char         ipid_pspecn;    /* # shorts in pack-spec id */
        !            92:        volatile u_char         :8;
        !            93:        volatile u_char         ipid_crc;
        !            94:        volatile u_char         :8;
        !            95:        volatile u_char         ipic_pspecbase; /* start of pack-spec id */
        !            96: };
        !            97:
        !            98: #define IPIC_IPSPACE           0xfff58000
        !            99: #define IPIC_IP_MODSIZE                0x00000100
        !           100: #define IPIC_IP_IDOFFSET       0x80
        !           101: #define IPIC_IP_REGOFFSET      0x00
        !           102:
        !           103: struct ipicsoftc {
        !           104:        struct device   sc_dev;
        !           105:        struct ipicreg  *sc_ipic;
        !           106:
        !           107:        vaddr_t         sc_ipspace;
        !           108:        int             sc_nip;
        !           109: };
        !           110:
        !           111: int ipicintr_establish(int, struct intrhand *, const char *);