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/* $OpenBSD: ipicreg.h,v 1.6 2004/07/30 22:29:45 miod Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
* 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 ``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.
*/
struct ipicreg {
volatile u_char ipic_chipid;
#define IPIC_CHIPID 0x23
volatile u_char ipic_chiprev;
volatile u_char x0[2];
volatile u_short ipic_base[4]; /* [slot] */
volatile u_char ipic_size[4]; /* [slot] */
volatile u_char ipic_irq[4][2]; /* [slot][irq#] */
#define IPIC_IRQ_PLTY 0x80 /* 1 = rising edge activated */
#define IPIC_IRQ_EL 0x40 /* 1 = edge, 0 = level sensitive */
#define IPIC_IRQ_INT 0x20 /* interrupt is active */
#define IPIC_IRQ_IEN 0x10 /* enable interrupt */
#define IPIC_IRQ_ICLR 0x08 /* clear interrupt */
#define IPIC_IRQ_IPLMASK 0x07
volatile u_char ipic_ctl[4]; /* [slot] */
#define IPIC_CTL_ERR 0x80 /* error from IP module */
#define IPIC_CTL_RTMASK 0x30 /* recovery time, measured in ms */
#define IPIC_CTL_RT0MS 0x00
#define IPIC_CTL_RT2MS 0x10
#define IPIC_CTL_RT4MS 0x20
#define IPIC_CTL_RT8MS 0x30
#define IPIC_CTL_WIDTHMASK 0x0c /* bus width */
#define IPIC_CTL_WIDTH32 0x00
#define IPIC_CTL_WIDTH8 0x04
#define IPIC_CTL_WIDTH16 0x08
#define IPIC_CTL_MEN 0x01 /* ??? */
volatile u_char x1[3];
volatile u_char ipic_reset;
#define IPIC_RESET 0x01 /* bit clears automatically after 1ms */
};
/*
* the following macros convert the size in bytes to/from the
* ipic_Xsize reg values. you should ensure your size in bytes
* is a legal value, which are 16K, or all the powers of 2 from
* 64K to 8M.
*/
#define IPIC_SIZE_BTOR(x) \
(((x) == 16*1024) ? (0xff) : (((x) / 64*1024) - 1))
#define IPIC_SIZE_RTOB(x) \
(((x) == 0xff) ? (16*1024) : (((x) + 1) * 64*1024))
struct ipid {
volatile u_char ipid_I; /* must be 'I' */
volatile u_char :8;
volatile u_char ipid_P; /* must be 'P' */
volatile u_char :8;
volatile u_char ipid_A; /* must be 'A' */
volatile u_char :8;
volatile u_char ipid_C; /* must be 'C' */
volatile u_char :8;
volatile u_char ipid_manu;
volatile u_char :8;
volatile u_char ipid_prod;
volatile u_char :8;
volatile u_char ipid_rev;
volatile u_char :8;
volatile u_char ipid_zero;
volatile u_char :8;
volatile u_char ipid_didl;
volatile u_char :8;
volatile u_char ipid_didh;
volatile u_char :8;
volatile u_char ipid_pspecn; /* # shorts in pack-spec id */
volatile u_char :8;
volatile u_char ipid_crc;
volatile u_char :8;
volatile u_char ipic_pspecbase; /* start of pack-spec id */
};
#define IPIC_IPSPACE 0xfff58000
#define IPIC_IP_MODSIZE 0x00000100
#define IPIC_IP_IDOFFSET 0x80
#define IPIC_IP_REGOFFSET 0x00
struct ipicsoftc {
struct device sc_dev;
struct ipicreg *sc_ipic;
caddr_t sc_ipspace;
int sc_nip;
};
int ipicintr_establish(int, struct intrhand *, const char *);
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