1 /* $NetBSD: wdvar.h,v 1.1 2010/10/14 06:50:43 kiyohara Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * Copyright (c) 2001 Dynarc AB, Sweden. All rights reserved. 6 * 7 * This code is derived from software written by Anders Magnusson, 8 * ragge@ludd.luth.se 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _STAND_WDVAR_H 34 #define _STAND_WDVAR_H 35 36 #include <dev/ic/wdcreg.h> 37 #include <dev/ata/atareg.h> 38 39 #include <sys/disklabel.h> 40 #include <sys/bootblock.h> 41 42 #define WDC_TIMEOUT 2000000 43 #define WDC_NPORTS 8 /* XXX */ 44 #define WDC_NSHADOWREG 2 /* XXX */ 45 46 struct wdc_channel { 47 int c_cmdbase; 48 int c_ctlbase; 49 int c_data; 50 int c_cmdreg[WDC_NPORTS + WDC_NSHADOWREG]; 51 }; 52 53 #define WDC_READ_REG(chp, reg) inb((chp)->c_cmdreg[(reg)]) 54 #define WDC_WRITE_REG(chp, reg, val) outb((chp)->c_cmdreg[(reg)], (val)) 55 #define WDC_READ_CTLREG(chp, reg) inb((chp)->c_ctlbase) 56 #define WDC_WRITE_CTLREG(chp, reg, val) outb((chp)->c_ctlbase, (val)) 57 #define WDC_READ_DATA_STREAM(chp) inw((chp)->c_data) 58 #define WDC_READ_DATA(chp) inwrb((chp)->c_data) 59 60 struct wd_softc { 61 #define WDF_LBA 0x0001 62 #define WDF_LBA48 0x0002 63 uint16_t sc_flags; 64 65 u_int sc_part; 66 u_int sc_unit; 67 u_int sc_ctlr; 68 69 uint64_t sc_capacity; 70 uint32_t sc_capacity28; 71 72 struct ataparams sc_params; 73 struct disklabel sc_label; 74 }; 75 76 struct wdc_command { 77 uint8_t drive; /* drive id */ 78 79 uint8_t r_command; /* Parameters to upload to registers */ 80 uint8_t r_head; 81 uint16_t r_cyl; 82 uint8_t r_sector; 83 uint8_t r_count; 84 uint8_t r_features; 85 86 uint16_t bcount; 87 void *data; 88 89 uint64_t r_blkno; 90 }; 91 92 int wdc_init(int); 93 int wdc_exec_identify(struct wd_softc *, void *); 94 int wdc_exec_read(struct wd_softc *, uint8_t, daddr_t, void *); 95 96 #endif /* _STAND_WDVAR_H */ 97