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Diffstat (limited to 'sys/dev/cmx/cmxvar.h')
| -rw-r--r-- | sys/dev/cmx/cmxvar.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sys/dev/cmx/cmxvar.h b/sys/dev/cmx/cmxvar.h new file mode 100644 index 0000000..1567c5e --- /dev/null +++ b/sys/dev/cmx/cmxvar.h @@ -0,0 +1,99 @@ +/*- + * 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)) |
