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/*-
* Copyright (c) 2006-2007 Daniel Roethlisberger <daniel@roe.ch>
* 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 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.
*
* $FreeBSD$
*/
/*#define CMX_DEBUG*/
/*#define CMX_INTR*/
#define CMX_MIN_RDLEN 10 /* min read length */
#define CMX_MIN_WRLEN 5 /* min write length */
#define CMX_BUFSZ 512 /* I/O block size */
struct cmx_softc {
device_t dev; /* pccard device */
struct cdev *cdev; /* character device */
struct resource *ioport; /* io port resource descriptor */
int ioport_rid; /* io port resource identification */
bus_space_tag_t bst; /* bus space tag */
bus_space_handle_t bsh; /* bus space handle */
#ifdef CMX_INTR
struct resource* irq; /* irq resource descriptor */
int irq_rid; /* irq resource identification */
void *ih; /* intr handle */
#endif
struct mtx mtx; /* per-unit lock */
struct callout ch; /* callout handle */
struct selinfo sel; /* select/poll queue handle */
int open; /* is chardev open? */
int polling; /* are we polling? */
int dying; /* are we detaching? */
unsigned long timeout; /* response timeout */
uint8_t buf[CMX_BUFSZ]; /* read/write buffer */
};
extern devclass_t cmx_devclass;
void cmx_init_softc(device_t);
int cmx_alloc_resources(device_t);
void cmx_release_resources(device_t);
int cmx_attach(device_t);
int cmx_detach(device_t);
#define CMX_READ_1(sc, off) \
(bus_space_read_1((sc)->bst, (sc)->bsh, off))
#define CMX_WRITE_1(sc, off, val) \
(bus_space_write_1((sc)->bst, (sc)->bsh, off, val))
#define cmx_read_BSR(sc) \
CMX_READ_1(sc, REG_OFFSET_BSR)
#define cmx_write_BSR(sc, val) \
CMX_WRITE_1(sc, REG_OFFSET_BSR, val)
#define cmx_read_SCR(sc) \
CMX_READ_1(sc, REG_OFFSET_SCR)
#define cmx_write_SCR(sc, val) \
CMX_WRITE_1(sc, REG_OFFSET_SCR, val)
#define cmx_read_DTR(sc) \
CMX_READ_1(sc, REG_OFFSET_DTR)
#define cmx_write_DTR(sc, val) \
CMX_WRITE_1(sc, REG_OFFSET_DTR, val)
#define cmx_test(byte, flags, test) \
(((byte) & (flags)) == ((test) ? (flags) : 0))
#define cmx_test_BSR(sc, flags, test) \
cmx_test(cmx_read_BSR(sc), flags, test)
#define CMX_LOCK(sc) mtx_lock(&(sc)->mtx)
#define CMX_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
#define CMX_LOCK_ASSERT(sc, what) mtx_assert(&(sc)->mtx, (what))
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