fdcvar.h revision 134081
1269601Snwhitehorn/*- 2269601Snwhitehorn * Copyright (c) 2004 M. Warner Losh. 3269601Snwhitehorn * All rights reserved. 4269601Snwhitehorn * 5269601Snwhitehorn * Redistribution and use in source and binary forms, with or without 6269601Snwhitehorn * modification, are permitted provided that the following conditions 7269601Snwhitehorn * are met: 8269601Snwhitehorn * 1. Redistributions of source code must retain the above copyright 9269601Snwhitehorn * notice, this list of conditions, and the following disclaimer, 10269601Snwhitehorn * without modification, immediately at the beginning of the file. 11269601Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 12269601Snwhitehorn * notice, this list of conditions and the following disclaimer in 13269601Snwhitehorn * the documentation and/or other materials provided with the 14269601Snwhitehorn * distribution. 15269601Snwhitehorn * 16269601Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17269601Snwhitehorn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18269601Snwhitehorn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19269601Snwhitehorn * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20269601Snwhitehorn * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21269601Snwhitehorn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22269601Snwhitehorn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23269601Snwhitehorn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24269601Snwhitehorn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25269601Snwhitehorn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26269601Snwhitehorn * SUCH DAMAGE. 27269601Snwhitehorn * 28269601Snwhitehorn * $FreeBSD: head/sys/dev/fdc/fdcvar.h 134081 2004-08-20 15:14:25Z phk $ 29269601Snwhitehorn */ 30269601Snwhitehorn 31269601Snwhitehorn/* XXX should audit this file to see if additional copyrights needed */ 32269601Snwhitehorn 33269601Snwhitehornenum fdc_type { 34269601Snwhitehorn FDC_NE765, FDC_ENHANCED, FDC_UNKNOWN = -1 35269601Snwhitehorn}; 36269601Snwhitehorn 37269601Snwhitehorn/* 38269601Snwhitehorn * Per controller structure (softc). 39269601Snwhitehorn */ 40269601Snwhitehornstruct fdc_data { 41269601Snwhitehorn int fdcu; /* our unit number */ 42269601Snwhitehorn int dmacnt; 43269601Snwhitehorn int dmachan; 44269601Snwhitehorn int flags; 45269601Snwhitehorn#define FDC_HASDMA 0x01 46269601Snwhitehorn#define FDC_STAT_VALID 0x08 47269601Snwhitehorn#define FDC_HAS_FIFO 0x10 48270412Sdumbbell#define FDC_NEEDS_RESET 0x20 49270431Sdumbbell#define FDC_NODMA 0x40 50269601Snwhitehorn#define FDC_ISPNP 0x80 51269601Snwhitehorn#define FDC_ISPCMCIA 0x100 52269601Snwhitehorn struct fd_data *fd; /* The active drive */ 53269601Snwhitehorn int retry; 54269601Snwhitehorn int fdout; /* mirror of the w/o digital output reg */ 55269601Snwhitehorn u_int status[7]; /* copy of the registers */ 56270412Sdumbbell enum fdc_type fdct; /* chip version of FDC */ 57270431Sdumbbell int fdc_errs; /* number of logged errors */ 58269601Snwhitehorn struct bio_queue_head head; 59269601Snwhitehorn struct bio *bp; /* active buffer */ 60269601Snwhitehorn struct resource *res_ioport, *res_ctl, *res_irq, *res_drq; 61269601Snwhitehorn int rid_ioport, rid_ctl, rid_irq, rid_drq; 62269601Snwhitehorn int port_off; 63269601Snwhitehorn bus_space_tag_t portt; 64269601Snwhitehorn bus_space_handle_t porth; 65269601Snwhitehorn bus_space_tag_t ctlt; 66269601Snwhitehorn bus_space_handle_t ctlh; 67269601Snwhitehorn int ctl_off; 68269601Snwhitehorn void *fdc_intr; 69269601Snwhitehorn struct device *fdc_dev; 70269601Snwhitehorn struct mtx fdc_mtx; 71269601Snwhitehorn struct proc *fdc_thread; 72269601Snwhitehorn}; 73269601Snwhitehorn 74269601Snwhitehornextern devclass_t fdc_devclass; 75269601Snwhitehorn 76269601Snwhitehornenum fdc_device_ivars { 77269601Snwhitehorn FDC_IVAR_FDUNIT, 78269601Snwhitehorn FDC_IVAR_FDTYPE, 79269601Snwhitehorn}; 80269601Snwhitehorn 81269601Snwhitehorn__BUS_ACCESSOR(fdc, fdunit, FDC, FDUNIT, int); 82269601Snwhitehorn__BUS_ACCESSOR(fdc, fdtype, FDC, FDTYPE, int); 83269601Snwhitehorn 84269601Snwhitehornvoid fdc_release_resources(struct fdc_data *); 85269601Snwhitehornint fdc_attach(device_t); 86269601Snwhitehornint fdc_hints_probe(device_t); 87269601Snwhitehornint fdc_detach(device_t dev); 88269601Snwhitehorndevice_t fdc_add_child(device_t, const char *, int); 89269601Snwhitehornint fdc_initial_reset(device_t, struct fdc_data *); 90269601Snwhitehornint fdc_print_child(device_t, device_t); 91269601Snwhitehornint fdc_read_ivar(device_t, device_t, int, uintptr_t *); 92269601Snwhitehornint fdc_write_ivar(device_t, device_t, int, uintptr_t); 93269601Snwhitehornint fdc_isa_alloc_resources(device_t, struct fdc_data *); 94269601Snwhitehorn