freebsd-src/sys/dev/pcic/i82365var.h
Warner Losh 82af5353b0 Add some comments about things that have become bad as I've been
working on this code, or things that I think are layering violations.
Plus a minor whitespace cleanup in one place while I'm at it.
2000-01-10 06:17:27 +00:00

194 lines
5.7 KiB
C

/* $NetBSD: i82365var.h,v 1.8 1999/10/15 06:07:27 haya Exp $ */
/* $FreeBSD$ */
/*
* Copyright (c) 1997 Marc Horowitz. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Marc Horowitz.
* 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.
*/
#include <dev/pccard/pccardreg.h>
#include <dev/pccard/pccardchip.h>
#include <dev/pcic/i82365reg.h>
struct proc;
struct pcic_event {
STAILQ_ENTRY(pcic_event) pe_q;
int pe_type;
};
/* pe_type */
#define PCIC_EVENT_INSERTION 0
#define PCIC_EVENT_REMOVAL 1
struct pcic_handle {
struct pcic_softc *sc;
device_t dev;
bus_space_tag_t ph_bus_t; /* I/O or MEM? I don't mind */
bus_space_handle_t ph_bus_h;
u_int8_t (* ph_read)(struct pcic_handle*, int);
void (* ph_write)(struct pcic_handle *, int, u_int8_t);
int vendor;
int sock;
int flags;
int laststate;
int memalloc;
struct pccard_mem_handle mem[PCIC_MEM_WINS]; /* XXX BAD XXX */
int ioalloc;
struct pccard_io_handle io[PCIC_IO_WINS]; /* XXX BAD XXX */
int ih_irq;
int shutdown;
struct proc *event_thread;
STAILQ_HEAD(, pcic_event) events;
};
#define PCIC_FLAG_SOCKETP 0x0001
#define PCIC_FLAG_CARDP 0x0002
#define PCIC_LASTSTATE_PRESENT 0x0002
#define PCIC_LASTSTATE_HALF 0x0001
#define PCIC_LASTSTATE_EMPTY 0x0000
#define C0SA PCIC_CHIP0_BASE+PCIC_SOCKETA_INDEX
#define C0SB PCIC_CHIP0_BASE+PCIC_SOCKETB_INDEX
#define C1SA PCIC_CHIP1_BASE+PCIC_SOCKETA_INDEX
#define C1SB PCIC_CHIP1_BASE+PCIC_SOCKETB_INDEX
/*
* This is sort of arbitrary. It merely needs to be "enough". It can be
* overridden in the conf file, anyway.
*/
#define PCIC_MEM_PAGES 4
#define PCIC_MEMSIZE PCIC_MEM_PAGES*PCIC_MEM_PAGESIZE
#define PCIC_NSLOTS 4
struct pcic_softc {
device_t dev;
bus_space_tag_t memt;
bus_space_handle_t memh;
bus_space_tag_t iot;
bus_space_handle_t ioh;
void *intrhand;
struct resource *irq_res;
int irq_rid;
struct resource *mem_res;
int mem_rid;
struct resource *port_res;
int port_rid;
/* this needs to be large enough to hold PCIC_MEM_PAGES bits */
int subregionmask;
#define PCIC_MAX_MEM_PAGES (8 * sizeof(int))
/* used by memory window mapping functions */
bus_addr_t membase;
/*
* used by io window mapping functions. These can actually overlap
* with another pcic, since the underlying extent mapper will deal
* with individual allocations. This is here to deal with the fact
* that different busses have different real widths (different pc
* hardware seems to use 10 or 12 bits for the I/O bus).
*/
bus_addr_t iobase;
bus_addr_t iosize;
int irq;
void *ih;
struct pcic_handle handle[PCIC_NSLOTS];
};
int pcic_ident_ok(int);
int pcic_vendor(struct pcic_handle *);
char *pcic_vendor_to_string(int);
int pcic_attach(device_t dev);
#if 0
static __inline int pcic_read(struct pcic_handle *, int);
static __inline int
pcic_read(h, idx)
struct pcic_handle *h;
int idx;
{
if (idx != -1)
bus_space_write_1(h->sc->iot, h->sc->ioh, PCIC_REG_INDEX,
h->sock + idx);
return (bus_space_read_1(h->sc->iot, h->sc->ioh, PCIC_REG_DATA));
}
static __inline void pcic_write(struct pcic_handle *, int, int);
static __inline void
pcic_write(h, idx, data)
struct pcic_handle *h;
int idx;
int data;
{
if (idx != -1)
bus_space_write_1(h->sc->iot, h->sc->ioh, PCIC_REG_INDEX,
h->sock + idx);
bus_space_write_1(h->sc->iot, h->sc->ioh, PCIC_REG_DATA, (data));
}
#else
#define pcic_read(h, idx) \
(*(h)->ph_read)((h), (idx))
#define pcic_write(h, idx, data) \
(*(h)->ph_write)((h), (idx), (data))
#endif
/*
* bus/device/etc routines
*/
int pcic_activate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r);
struct resource *pcic_alloc_resource(device_t dev, device_t child, int type,
int *rid, u_long start, u_long end, u_long count, u_int flags);
int pcic_deactivate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r);
int pcic_release_resource(device_t dev, device_t child, int type, int rid,
struct resource *r);
int pcic_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_intr_t intr, void *arg, void **cookiep);
int pcic_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookiep);
int pcic_suspend(device_t dev);
int pcic_resume(device_t dev);
int pcic_enable_socket(device_t dev, device_t child);
int pcic_disable_socket(device_t dev, device_t child);