atapiconf.h revision 1.2 1 1.2 bouyer /* $NetBSD: atapiconf.h,v 1.2 1997/08/27 11:26:17 bouyer Exp $ */
2 1.2 bouyer
3 1.2 bouyer /*
4 1.2 bouyer * Copyright (c) 1996 Manuel Bouyer. All rights reserved.
5 1.2 bouyer *
6 1.2 bouyer * Redistribution and use in source and binary forms, with or without
7 1.2 bouyer * modification, are permitted provided that the following conditions
8 1.2 bouyer * are met:
9 1.2 bouyer * 1. Redistributions of source code must retain the above copyright
10 1.2 bouyer * notice, this list of conditions and the following disclaimer.
11 1.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
12 1.2 bouyer * notice, this list of conditions and the following disclaimer in the
13 1.2 bouyer * documentation and/or other materials provided with the distribution.
14 1.2 bouyer * 3. All advertising materials mentioning features or use of this software
15 1.2 bouyer * must display the following acknowledgement:
16 1.2 bouyer * This product includes software developed by Manuel Bouyer.
17 1.2 bouyer * 4. The name of the author may not be used to endorse or promote products
18 1.2 bouyer * derived from this software without specific prior written permission.
19 1.2 bouyer *
20 1.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 1.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 1.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 1.2 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 1.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 1.2 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 1.2 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 1.2 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 1.2 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 1.2 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 1.2 bouyer */
31 1.2 bouyer
32 1.2 bouyer #ifndef SCSI_ATAPICONF_H
33 1.2 bouyer #define SCSI_ATAPICONF_H
34 1.2 bouyer
35 1.2 bouyer #include <dev/scsipi/scsipiconf.h>
36 1.2 bouyer
37 1.2 bouyer #undef ATAPI_DEBUG
38 1.2 bouyer #undef ATAPI_DEBUG2
39 1.2 bouyer #undef ATAPI_DEBUG_PROBE
40 1.2 bouyer #undef ATAPI_DEBUG_WDC
41 1.2 bouyer
42 1.2 bouyer struct atapi_identify {
43 1.2 bouyer struct config_s {
44 1.2 bouyer u_int8_t cmd_drq_rem;
45 1.2 bouyer #define ATAPI_PACKET_SIZE_MASK 0x03
46 1.2 bouyer #define ATAPI_PACKET_SIZE_12 0x00
47 1.2 bouyer #define ATAPI_PACKET_SIZE_16 0x01
48 1.2 bouyer
49 1.2 bouyer #define ATAPI_DRQ_MASK 0x60
50 1.2 bouyer #define ATAPI_MICROPROCESSOR_DRQ 0x00
51 1.2 bouyer #define ATAPI_INTERRUPT_DRQ 0x20
52 1.2 bouyer #define ATAPI_ACCELERATED_DRQ 0x40
53 1.2 bouyer
54 1.2 bouyer #define ATAPI_REMOVABLE 0x80
55 1.2 bouyer
56 1.2 bouyer u_int8_t device_type;
57 1.2 bouyer #define ATAPI_DEVICE_TYPE_MASK 0x1f
58 1.2 bouyer #define ATAPI_DEVICE_TYPE_DAD 0x00 /* direct access device */
59 1.2 bouyer /* 0x1-0x4 reserved */
60 1.2 bouyer #define ATAPI_DEVICE_TYPE_CD 0x05 /* CD-ROM */
61 1.2 bouyer /* 0x6 reserved */
62 1.2 bouyer #define ATAPI_DEVICE_TYPE_OMD 0x07 /* optical memory device */
63 1.2 bouyer /* 0x8-0x1e reserved */
64 1.2 bouyer #define ATAPI_DEVICE_TYPE_UNKNOWN 0x1f
65 1.2 bouyer
66 1.2 bouyer #define ATAPI_GC_PROTOCOL_MASK 0xc0 /* mask of protocol bits */
67 1.2 bouyer /* 0x00 and 0x01 are ATA */
68 1.2 bouyer #define ATAPI_GC_PROTO_TYPE_ATAPI 0x80
69 1.2 bouyer #define ATAPI_GC_PROTO_TYPE_RESERVED 0xc0
70 1.2 bouyer } config; /* general configuration */
71 1.2 bouyer
72 1.2 bouyer u_int8_t cylinders[2];
73 1.2 bouyer u_int8_t reserved1[2];
74 1.2 bouyer u_int8_t heads[2];
75 1.2 bouyer u_int8_t unf_bytes_per_track[2];
76 1.2 bouyer u_int8_t unf_bytes_per_sector[2];
77 1.2 bouyer u_int8_t sectors_per_track[2];
78 1.2 bouyer u_int8_t reserved2[6];
79 1.2 bouyer char serial_number[20];
80 1.2 bouyer u_int8_t buffer_type[2];
81 1.2 bouyer u_int8_t buffer_size[2];
82 1.2 bouyer u_int8_t ECC_bytes_available[2];
83 1.2 bouyer char firmware_revision[8];
84 1.2 bouyer char model[40];
85 1.2 bouyer u_int8_t sector_count[2];
86 1.2 bouyer u_int8_t double_word[2]; /* == 0 for CD-ROMs */
87 1.2 bouyer
88 1.2 bouyer struct capabilities_s {
89 1.2 bouyer u_int8_t vendor;
90 1.2 bouyer u_int8_t capflags;
91 1.2 bouyer #define ATAPI_CAP_DMA 0x01 /* DMA supported */
92 1.2 bouyer #define ATAPI_CAP_LBA 0x02 /* LBA supported */
93 1.2 bouyer #define ATAPI_IORDY_DISABLE 0x04 /* IORDY can be disabled */
94 1.2 bouyer #define ATAPI_IORDY 0x08 /* IORDY supported */
95 1.2 bouyer } capabilities;
96 1.2 bouyer
97 1.2 bouyer u_int8_t reserved3[2];
98 1.2 bouyer u_int8_t PIO_cycle_timing[2];
99 1.2 bouyer u_int8_t DMA_cycle_timing[2];
100 1.2 bouyer u_int8_t validity[2]; /* of words 54-58, 64-70 in this table */
101 1.2 bouyer
102 1.2 bouyer #define ATAPI_VALID_FIRST 0x0 /* == 1 => words 54-58 are valid */
103 1.2 bouyer #define ATAPI_VALID_SECOND 0x1 /* == 1 => words 64-70 are valid */
104 1.2 bouyer
105 1.2 bouyer u_int8_t current_chs[6]; /* cylinder/head/sector */
106 1.2 bouyer u_int8_t current_capacity[4];
107 1.2 bouyer u_int8_t reserved4[2];
108 1.2 bouyer u_int8_t user_addressable_sectors[4];
109 1.2 bouyer u_int8_t singleword_DMA_mode[2];
110 1.2 bouyer
111 1.2 bouyer #define ATAPI_SW_DMA_MODE_AVAIL 0x00ff /* Mode 0 is supported */
112 1.2 bouyer #define ATAPI_SW_DMA_MODE_ACTIVE 0xff00 /* which mode is active */
113 1.2 bouyer
114 1.2 bouyer u_int8_t multiword_DMA_mode[2];
115 1.2 bouyer
116 1.2 bouyer #define ATAPI_MW_DMA_MODE_AVAIL 0x00ff /* Mode 0 is supported */
117 1.2 bouyer #define ATAPI_MW_DMA_MODE_ACTIVE 0xff00 /* which mode is active */
118 1.2 bouyer
119 1.2 bouyer u_int8_t enhanced_PIO_mode[2];
120 1.2 bouyer
121 1.2 bouyer #define ATAPI_ENHANCED_PIO_AVAIL 0x0001 /* PIO Mode 3 is supported */
122 1.2 bouyer
123 1.2 bouyer u_int8_t blind_PIO_minimum_cycles[2];
124 1.2 bouyer u_int8_t mw_dma_tct[2]; /* multi-word DMA transfer cycle time */
125 1.2 bouyer u_int8_t min_PIO_tct_no_flow_control[2];
126 1.2 bouyer u_int8_t min_PIO_tct_with_flow_control[2];
127 1.2 bouyer u_int8_t reserved5[4];
128 1.2 bouyer u_int8_t reserved6[114];
129 1.2 bouyer u_int8_t vendor[64]; /* vendor unique */
130 1.2 bouyer u_int8_t reserved7[192];
131 1.2 bouyer };
132 1.2 bouyer
133 1.2 bouyer struct atapibus_attach_args {
134 1.2 bouyer struct scsipi_link *sa_sc_link;
135 1.2 bouyer struct atapi_identify *sa_inqbuf;
136 1.2 bouyer };
137 1.2 bouyer
138 1.2 bouyer int wdc_atapi_get_params __P((struct scsipi_link *, u_int8_t,
139 1.2 bouyer struct atapi_identify *));
140 1.2 bouyer void atapi_print_addr __P((struct scsipi_link *));
141 1.2 bouyer int atapi_interpret_sense __P((struct scsipi_xfer *));
142 1.2 bouyer int atapi_scsipi_cmd __P((struct scsipi_link *, struct scsipi_generic *,
143 1.2 bouyer int, u_char *, int, int, int, struct buf *, int));
144 1.2 bouyer #endif /* SCSI_ATAPICONF_H */
145