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480895cbea
was really removed, or simply 'faked' by a suspend/resume. Keep track of both current and previous state, and send that information to the userland programs. [ XXX - This breaks binary compatability with older pccardd programs, but they don't work reliably. :( ]
142 lines
4.8 KiB
C
142 lines
4.8 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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#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 _IOW('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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/*
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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 };
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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 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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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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* 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 sprintf */
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#endif /* !_PCCARD_CARDINFO_H_ */
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