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Annotation of sys/arch/mvme68k/dev/ipicreg.h, Revision 1.1.1.1

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 *);