bf968b1638
region for CIS reading" problem: Use bus_alloc_resource to get the memory that we'll be using. Also has the benefit of doing usage checking as well. This gets rid of the ugly kludge that we had before for mapping pmem to vmem. Second, move PIOCSRESOURCE to its own routine and make it conform more to style(9) in the process.
162 lines
5.2 KiB
C
162 lines
5.2 KiB
C
/*
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* Include file for PCMCIA user process interface
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*
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*-------------------------------------------------------------------------
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*
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* Copyright (c) 1995 Andrew McRae. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* $FreeBSD$ */
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#ifndef _PCCARD_CARDINFO_H_
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#define _PCCARD_CARDINFO_H_
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#ifndef _KERNEL
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#include <sys/types.h>
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#endif
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#include <sys/ioccom.h>
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#define PIOCGSTATE _IOR('P', 1, struct slotstate) /* Get slot state */
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#define PIOCGMEM _IOWR('P', 2, struct mem_desc) /* Get memory map */
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#define PIOCSMEM _IOW('P', 3, struct mem_desc) /* Set memory map */
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#define PIOCGIO _IOWR('P', 4, struct io_desc) /* Get I/O map */
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#define PIOCSIO _IOW('P', 5, struct io_desc) /* Set I/O map */
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#define PIOCSDRV _IOWR('P', 6, struct dev_desc) /* Set driver */
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#define PIOCRWFLAG _IOW('P', 7, int) /* Set flags for drv use */
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#define PIOCRWMEM _IOWR('P', 8, unsigned long) /* Set mem for drv use */
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#define PIOCSPOW _IOW('P', 9, struct power) /* Set power structure */
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#define PIOCSVIR _IOW('P', 10, int) /* Virtual insert/remove */
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#define PIOCSBEEP _IOW('P', 11, int) /* Select Beep */
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#define PIOCSRESOURCE _IOWR('P', 12, struct pccard_resource) /* get resource info */
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/*
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* Debug codes.
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*/
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#define PIOCGREG _IOWR('P',100, struct pcic_reg) /* get reg */
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#define PIOCSREG _IOW('P', 101, struct pcic_reg) /* Set reg */
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/*
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* Slot states for PIOCGSTATE
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*/
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enum cardstate { noslot, empty, suspend, filled, inactive };
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/*
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* Descriptor structure for memory map.
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*/
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struct mem_desc {
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int window; /* Memory map window number (0-4) */
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int flags; /* Flags - see below */
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caddr_t start; /* System memory start */
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int size; /* Size of memory area */
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unsigned long card; /* Card memory address */
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};
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#define MDF_16BITS 0x01 /* Memory is 16 bits wide */
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#define MDF_ZEROWS 0x02 /* Set no wait states for memory */
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#define MDF_WS0 0x04 /* Wait state flags */
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#define MDF_WS1 0x08
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#define MDF_ATTR 0x10 /* Memory is attribute memory */
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#define MDF_WP 0x20 /* Write protect memory */
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#define MDF_ACTIVE 0x40 /* Context active (read-only) */
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/*
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* Descriptor structure for I/O map
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*/
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struct io_desc {
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int window; /* I/O map number (0-1) */
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int flags; /* Flags - see below */
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int start; /* I/O port start */
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int size; /* Number of port addresses */
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};
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#define IODF_WS 0x01 /* Set wait states for 16 bit I/O access */
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#define IODF_16BIT 0x02 /* I/O access are 16 bit */
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#define IODF_CS16 0x04 /* Allow card selection of 16 bit access */
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#define IODF_ZEROWS 0x08 /* No wait states for 8 bit I/O */
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#define IODF_ACTIVE 0x10 /* Context active (read-only) */
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/*
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* Device descriptor for allocation of driver.
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*/
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struct dev_desc {
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char name[16]; /* Driver name */
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int unit; /* Driver unit number */
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unsigned long mem; /* Memory address of driver */
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int memsize; /* Memory size (if used) */
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int iobase; /* base of I/O ports */
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int iosize; /* Length of I/O ports */
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int irqmask; /* Interrupt number(s) to allocate */
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int flags; /* Device flags */
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u_char misc[128]; /* For any random info */
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};
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#define DEV_DESC_HAS_SIZE 1
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struct pcic_reg {
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unsigned char reg;
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unsigned char value;
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};
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/*
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* Slot information. Used to read current status of slot.
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*/
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struct slotstate {
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enum cardstate state; /* Current state of slot */
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enum cardstate laststate; /* Previous state of slot */
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int maxmem; /* Max allowed memory windows */
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int maxio; /* Max allowed I/O windows */
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int irqs; /* Bitmap of IRQs allowed */
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int flags; /* Capability flags */
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};
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/*
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* The power values are in volts * 10, e.g. 5V is 50, 3.3V is 33.
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*/
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struct power {
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int vcc;
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int vpp;
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};
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/*
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* Th PC-Card resource IOC_GET_RESOURCE_RANGE
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*/
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struct pccard_resource {
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int type;
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u_long size;
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u_long min;
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u_long max;
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u_long resource_addr;
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};
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/*
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* Other system limits
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*/
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#define MAXSLOT 16
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#define NUM_MEM_WINDOWS 10
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#define NUM_IO_WINDOWS 6
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#define CARD_DEVICE "/dev/card%d" /* String for snprintf */
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#define PCCARD_MEMSIZE (4*1024)
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#endif /* !_PCCARD_CARDINFO_H_ */
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