freebsd-skq/sys/dev/cardbus/cardbusreg.h
imp 2046d1c9de Don't abuse the fact that -a == ~a + 1. Signed vs unsigned checkers
complain when a is a unsigned type.  So instead use the latter here
and be on our way.

Spotted by: flexlint by way of phk
2002-10-07 22:58:24 +00:00

92 lines
3.6 KiB
C

/*
* Copyright (c) 2000,2001 Jonathan Chen.
* 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,
* without modification, immediately at the beginning of the file.
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
/*
* Register definitions for the Cardbus Bus
*/
/* Cardbus bus constants */
#define CARDBUS_SLOTMAX 0
#define CARDBUS_FUNCMAX 7
/* Cardbus configuration header registers */
#define CARDBUS_BASE0_REG 0x10
#define CARDBUS_BASE1_REG 0x14
#define CARDBUS_BASE2_REG 0x18
#define CARDBUS_BASE3_REG 0x1C
#define CARDBUS_BASE4_REG 0x20
#define CARDBUS_BASE5_REG 0x24
#define CARDBUS_CIS_REG 0x28
# define CARDBUS_CIS_ASIMASK 0x07
# define CARDBUS_CIS_ADDRMASK 0x0ffffff8
# define CARDBUS_CIS_ASI_TUPLE 0x00
# define CARDBUS_CIS_ASI_BAR0 0x01
# define CARDBUS_CIS_ASI_BAR1 0x02
# define CARDBUS_CIS_ASI_BAR2 0x03
# define CARDBUS_CIS_ASI_BAR3 0x04
# define CARDBUS_CIS_ASI_BAR4 0x05
# define CARDBUS_CIS_ASI_BAR5 0x06
# define CARDBUS_CIS_ASI_ROM 0x07
#define CARDBUS_ROM_REG 0x30
# define CARDBUS_ROM_ENABLE 0x00000001
# define CARDBUS_ROM_ADDRMASK 0xfffff800
/* EXROM offsets for reading CIS */
#define CARDBUS_EXROM_SIGNATURE 0x00
#define CARDBUS_EXROM_DATA_PTR 0x18
#define CARDBUS_EXROM_DATA_SIGNATURE 0x00 /* Signature ("PCIR") */
#define CARDBUS_EXROM_DATA_VENDOR_ID 0x04 /* Vendor Identification */
#define CARDBUS_EXROM_DATA_DEVICE_ID 0x06 /* Device Identification */
#define CARDBUS_EXROM_DATA_LENGTH 0x0a /* PCI Data Structure Length */
#define CARDBUS_EXROM_DATA_REV 0x0c /* PCI Data Structure Revision */
#define CARDBUS_EXROM_DATA_CLASS_CODE 0x0d /* Class Code */
#define CARDBUS_EXROM_DATA_IMAGE_LENGTH 0x10 /* Image Length */
#define CARDBUS_EXROM_DATA_DATA_REV 0x12 /* Revision Level of Code/Data */
#define CARDBUS_EXROM_DATA_CODE_TYPE 0x14 /* Code Type */
#define CARDBUS_EXROM_DATA_INDICATOR 0x15 /* Indicator */
/* useful macros */
#define CARDBUS_CIS_ADDR(x) \
(CARDBUS_CIS_ADDRMASK & (x))
#define CARDBUS_CIS_SPACE(x) \
(CARDBUS_CIS_ASIMASK & (x))
#define CARDBUS_CIS_ASI_BAR(x) \
(((CARDBUS_CIS_ASIMASK & (x))-1)*4+0x10)
#define CARDBUS_CIS_ASI_ROM_IMAGE(x) \
(((x) >> 28) & 0xf)
#define CARDBUS_MAPREG_MEM_ADDR_MASK 0x0ffffff0
#define CARDBUS_MAPREG_MEM_ADDR(mr) \
((mr) & CARDBUS_MAPREG_MEM_ADDR_MASK)
#define CARDBUS_MAPREG_MEM_SIZE(mr) \
(CARDBUS_MAPREG_MEM_ADDR(mr) & (~CARDBUS_MAPREG_MEM_ADDR(mr) + 1))