atapiconf.h revision 1.6.2.1 1 /* $NetBSD: atapiconf.h,v 1.6.2.1 1998/06/04 16:53:07 bouyer Exp $ */
2
3 /*
4 * Copyright (c) 1996 Manuel Bouyer. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Manuel Bouyer.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <dev/scsipi/scsipiconf.h>
33
34 struct atapi_mode_header;
35 struct ataparams;
36
37 #if 0
38 struct atapi_identify {
39 struct config_s {
40 u_int8_t cmd_drq_rem;
41 #define ATAPI_PACKET_SIZE_MASK 0x03
42 #define ATAPI_PACKET_SIZE_12 0x00
43 #define ATAPI_PACKET_SIZE_16 0x01
44
45 #define ATAPI_DRQ_MASK 0x60
46 #define ATAPI_MICROPROCESSOR_DRQ 0x00
47 #define ATAPI_INTERRUPT_DRQ 0x20
48 #define ATAPI_ACCELERATED_DRQ 0x40
49
50 #define ATAPI_REMOVABLE 0x80
51
52 u_int8_t device_type;
53 #define ATAPI_DEVICE_TYPE_MASK 0x1f
54 #define ATAPI_DEVICE_TYPE_DAD 0x00 /* direct access device */
55 /* 0x1-0x4 reserved */
56 #define ATAPI_DEVICE_TYPE_CD 0x05 /* CD-ROM */
57 /* 0x6 reserved */
58 #define ATAPI_DEVICE_TYPE_OMD 0x07 /* optical memory device */
59 /* 0x8-0x1e reserved */
60 #define ATAPI_DEVICE_TYPE_UNKNOWN 0x1f
61
62 #define ATAPI_GC_PROTOCOL_MASK 0xc0 /* mask of protocol bits */
63 /* 0x00 and 0x01 are ATA */
64 #define ATAPI_GC_PROTO_TYPE_ATAPI 0x80
65 #define ATAPI_GC_PROTO_TYPE_RESERVED 0xc0
66 } config; /* general configuration */
67
68 u_int8_t cylinders[2];
69 u_int8_t reserved1[2];
70 u_int8_t heads[2];
71 u_int8_t unf_bytes_per_track[2];
72 u_int8_t unf_bytes_per_sector[2];
73 u_int8_t sectors_per_track[2];
74 u_int8_t reserved2[6];
75 char serial_number[20];
76 u_int8_t buffer_type[2];
77 u_int8_t buffer_size[2];
78 u_int8_t ECC_bytes_available[2];
79 char firmware_revision[8];
80 char model[40];
81 u_int8_t sector_count[2];
82 u_int8_t double_word[2]; /* == 0 for CD-ROMs */
83
84 struct capabilities_s {
85 u_int8_t vendor;
86 u_int8_t capflags;
87 #define ATAPI_CAP_DMA 0x01 /* DMA supported */
88 #define ATAPI_CAP_LBA 0x02 /* LBA supported */
89 #define ATAPI_IORDY_DISABLE 0x04 /* IORDY can be disabled */
90 #define ATAPI_IORDY 0x08 /* IORDY supported */
91 } capabilities;
92
93 u_int8_t reserved3[2];
94 u_int8_t PIO_cycle_timing[2];
95 u_int8_t DMA_cycle_timing[2];
96 u_int8_t validity[2]; /* of words 54-58, 64-70 in this table */
97
98 #define ATAPI_VALID_FIRST 0x0 /* == 1 => words 54-58 are valid */
99 #define ATAPI_VALID_SECOND 0x1 /* == 1 => words 64-70 are valid */
100
101 u_int8_t current_chs[6]; /* cylinder/head/sector */
102 u_int8_t current_capacity[4];
103 u_int8_t reserved4[2];
104 u_int8_t user_addressable_sectors[4];
105 u_int8_t singleword_DMA_mode[2];
106
107 #define ATAPI_SW_DMA_MODE_AVAIL 0x00ff /* Mode 0 is supported */
108 #define ATAPI_SW_DMA_MODE_ACTIVE 0xff00 /* which mode is active */
109
110 u_int8_t multiword_DMA_mode[2];
111
112 #define ATAPI_MW_DMA_MODE_AVAIL 0x00ff /* Mode 0 is supported */
113 #define ATAPI_MW_DMA_MODE_ACTIVE 0xff00 /* which mode is active */
114
115 u_int8_t enhanced_PIO_mode[2];
116
117 #define ATAPI_ENHANCED_PIO_AVAIL 0x0001 /* PIO Mode 3 is supported */
118
119 u_int8_t blind_PIO_minimum_cycles[2];
120 u_int8_t mw_dma_tct[2]; /* multi-word DMA transfer cycle time */
121 u_int8_t min_PIO_tct_no_flow_control[2];
122 u_int8_t min_PIO_tct_with_flow_control[2];
123 u_int8_t reserved5[4];
124 u_int8_t reserved6[114];
125 u_int8_t vendor[64]; /* vendor unique */
126 u_int8_t reserved7[192];
127 };
128
129 #endif
130
131 int wdc_atapi_get_params __P((struct scsipi_link *, u_int8_t, int,
132 struct ataparams *));
133 void atapi_print_addr __P((struct scsipi_link *));
134 int atapi_interpret_sense __P((struct scsipi_xfer *));
135 int atapi_scsipi_cmd __P((struct scsipi_link *, struct scsipi_generic *,
136 int, u_char *, int, int, int, struct buf *, int));
137 int atapi_mode_select __P((struct scsipi_link *,
138 struct atapi_mode_header *, int, int, int, int));
139 int atapi_mode_sense __P((struct scsipi_link *, int,
140 struct atapi_mode_header *, int, int, int, int));
141