1 /*- 2 * Copyright (c) 2006-2007 Daniel Roethlisberger <daniel@roe.ch> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/cmx/cmxvar.h,v 1.1 2008/03/06 08:09:45 rink Exp $ 27 * $DragonFly: src/sys/dev/misc/cmx/cmxvar.h,v 1.1 2008/04/23 08:57:10 hasso Exp $ 28 */ 29 30 /*#define CMX_DEBUG*/ 31 /*#define CMX_INTR*/ 32 33 #define CMX_MIN_RDLEN 10 /* min read length */ 34 #define CMX_MIN_WRLEN 5 /* min write length */ 35 #define CMX_BUFSZ 512 /* I/O block size */ 36 37 struct cmx_softc { 38 device_t dev; /* pccard device */ 39 struct cdev *cdev; /* character device */ 40 41 struct resource *ioport; /* io port resource descriptor */ 42 int ioport_rid; /* io port resource identification */ 43 44 bus_space_tag_t bst; /* bus space tag */ 45 bus_space_handle_t bsh; /* bus space handle */ 46 47 #ifdef CMX_INTR 48 struct resource* irq; /* irq resource descriptor */ 49 int irq_rid; /* irq resource identification */ 50 void *ih; /* intr handle */ 51 #endif 52 53 struct lock mtx; /* per-unit lock */ 54 struct callout ch; /* callout handle */ 55 struct kqinfo kq; /* select/poll/kq queue handle */ 56 57 int open; /* is chardev open? */ 58 int polling; /* are we polling? */ 59 int dying; /* are we detaching? */ 60 61 unsigned long timeout; /* response timeout */ 62 63 uint8_t buf[CMX_BUFSZ]; /* read/write buffer */ 64 }; 65 66 extern devclass_t cmx_devclass; 67 68 void cmx_init_softc(device_t); 69 int cmx_alloc_resources(device_t); 70 void cmx_release_resources(device_t); 71 int cmx_attach(device_t); 72 int cmx_detach(device_t); 73 74 #define CMX_READ_1(sc, off) \ 75 (bus_space_read_1((sc)->bst, (sc)->bsh, off)) 76 #define CMX_WRITE_1(sc, off, val) \ 77 (bus_space_write_1((sc)->bst, (sc)->bsh, off, val)) 78 79 #define cmx_read_BSR(sc) \ 80 CMX_READ_1(sc, REG_OFFSET_BSR) 81 #define cmx_write_BSR(sc, val) \ 82 CMX_WRITE_1(sc, REG_OFFSET_BSR, val) 83 #define cmx_read_SCR(sc) \ 84 CMX_READ_1(sc, REG_OFFSET_SCR) 85 #define cmx_write_SCR(sc, val) \ 86 CMX_WRITE_1(sc, REG_OFFSET_SCR, val) 87 #define cmx_read_DTR(sc) \ 88 CMX_READ_1(sc, REG_OFFSET_DTR) 89 #define cmx_write_DTR(sc, val) \ 90 CMX_WRITE_1(sc, REG_OFFSET_DTR, val) 91 92 #define cmx_test(byte, flags, test) \ 93 (((byte) & (flags)) == ((test) ? (flags) : 0)) 94 95 #define cmx_test_BSR(sc, flags, test) \ 96 cmx_test(cmx_read_BSR(sc), flags, test) 97 98 #define CMX_LOCK(sc) lockmgr(&(sc)->mtx, LK_EXCLUSIVE); 99 #define CMX_UNLOCK(sc) lockmgr(&(sc)->mtx, LK_RELEASE); 100 #define CMX_LOCK_ASSERT(sc, what) 101