FreeBSD/Linux Kernel Cross Reference
sys/i386/isa/mcdreg.h
1 /*
2 * Copyright 1993 by Holger Veit (data part)
3 * Copyright 1993 by Brian Moore (audio part)
4 * Changes Copyright 1993 by Gary Clark II
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This software was developed by Holger Veit and Brian Moore
18 * for use with "386BSD" and similar operating systems.
19 * "Similar operating systems" includes mainly non-profit oriented
20 * systems for research and education, including but not restricted to
21 * "NetBSD", "FreeBSD", "Mach" (by CMU).
22 * 4. Neither the name of the developer(s) nor the name "386BSD"
23 * may be used to endorse or promote products derived from this
24 * software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
27 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
30 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
31 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
32 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
33 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 *
38 * This file contains definitions for some cdrom control commands
39 * and status codes. This info was "inherited" from the DOS MTMCDE.SYS
40 * driver, and is thus not complete (and may even be wrong). Some day
41 * the manufacturer or anyone else might provide better documentation,
42 * so this file (and the driver) will then have a better quality.
43 *
44 * $FreeBSD$
45 */
46
47 #ifndef MCD_H
48 #define MCD_H
49
50 #ifdef __GNUC__
51 #if __GNUC__ >= 2
52 #pragma pack(1)
53 #endif
54 #endif
55
56 typedef unsigned char bcd_t;
57 #define M_msf(msf) msf[0]
58 #define S_msf(msf) msf[1]
59 #define F_msf(msf) msf[2]
60
61 /* io lines used */
62 #define MCD_IO_BASE 0x300
63
64 #define mcd_command 0
65 #define mcd_status 0
66 #define mcd_rdata 0
67
68 #define mcd_reset 1
69 #define mcd_ctl2 2 /* XXX Is this right? */
70 #define mcd_config 3
71
72 #define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */
73 #define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */
74 /* 001 = int 2,9 */
75 /* 010 = int 3 */
76 /* 011 = int 5 */
77 /* 100 = int 10 */
78 /* 101 = int 11 */
79 /* flags */
80 #define MFL_DATA_NOT_AVAIL 0x02
81 #define MFL_STATUS_NOT_AVAIL 0x04
82
83 /* New Commands */
84 #define M_RESET 0x00
85 #define M_PICKLE 0x04
86
87 /* ports */
88 #define MCD_DATA 0
89 #define MCD_FLAGS 1
90 #define MCD_CTRL 2
91 #define CHANNEL 3 /* XXX ??? */
92
93 /* Status bits */
94 #define MCD_ST_DOOROPEN 0x80
95 #define MCD_ST_DSKIN 0x40
96 #define MCD_ST_DSKCHNG 0x20
97 #define MCD_ST_SPINNING 0x10
98 #define MCD_ST_AUDIODISK 0x08 /* Audio Disk is in */
99 #define MCD_ST_BUSY 0x04
100 #define MCD_ST_AUDIOBSY 0x02 /* Audio Disk is Playing */
101 #define MCD_ST_CMDCHECK 0x01 /* Command error */
102
103 /* commands known by the controller */
104 #define MCD_CMDRESET 0x00
105 #define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */
106 #define MCD_CMDGETDISKINFO 0x11 /* gets mcd_disk information */
107 #define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */
108 #define MCD_CMDGETSENSE 0x30 /* gets sense info */
109 #define MCD_CMDGETSTAT 0x40 /* gets a byte of status */
110
111 #define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */
112
113 #define MCD_MDBIT_TESTMODE 0x80 /* 0 = DATALENGTH setting is valid */
114 #define MCD_MDBIT_DATALENGTH 0x40 /* 0 = Read User Data Only */
115 /* 1 = Read Raw sectors (2352 bytes) */
116
117 #define MCDBLK 2048 /* for cooked mode */
118 #define MCDRBLK sizeof(struct mcd_rawsector) /* for raw mode */
119
120 #define MCD_MDBIT_ECCMODE 0x20 /* 0 = Use secondary correction */
121 /* 1 = Don't use secondary ECC */
122 #define MCD_MDBIT_SPINDOWN 0x08 /* 0 = Spin Up, 1 = Spin Down */
123 #define MCD_MDBIT_GET_TOC 0x04 /* 0 = Get UPC on next GETQCHAN */
124 /* 1 = Get TOC on GETQCHAN */
125 #define MCD_MDBIT_MUTEDATA 0x01 /* 1 = Don't play back Data as audio */
126
127 #define MCD_MD_RAW (MCD_MDBIT_DATALENGTH|MCD_MDBIT_ECCMODE|MCD_MDBIT_MUTEDATA)
128 #define MCD_MD_COOKED (MCD_MDBIT_MUTEDATA)
129 #define MCD_MD_TOC (MCD_MDBIT_GET_TOC|MCD_MDBIT_MUTEDATA)
130
131 #define MCD_CMDSTOPAUDIO 0x70
132 #define MCD_CMDSTOPAUDIOTIME 0x80
133 #define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */
134 #define MCD_CMDSETDRIVEMODE 0xA0 /* Set drive mode */
135 #define MCD_READUPC 0xA2 /* Get UPC info */
136 #define MCD_CMDSETVOLUME 0xAE /* sets mcd_volume */
137 #define MCD_CMDREAD1 0xB0 /* read n sectors */
138 #define MCD_CMDSINGLESPEEDREAD 0xC0 /* read from-to */
139 #define MCD_CMDSTARTAUDIOMSF 0xC1 /* read audio data */
140 #define MCD_CMDDOUBLESPEEDREAD 0xC1 /* Read lots of data from the drive */
141 #define MCD_CMDGETDRIVEMODE 0xC2 /* Get the drive mode */
142 #define MCD_CMDREAD 0xC3 /* Read data from the drive */
143 #define MCD_CMDSETINTERLEAVE 0xC8 /* Adjust the interleave */
144 #define MCD_CMDCONTINFO 0xDC /* Get controller info */
145 #define MCD_CMDSTOP 0xF0 /* Stop everything */
146 #define MCD_CMDEJECTDISK 0xF6
147 #define MCD_CMDCLOSETRAY 0xF8
148
149 #define MCD_CMDLOCKDRV 0xFE /* needs byte */
150 #define MCD_LK_UNLOCK 0x00
151 #define MCD_LK_LOCK 0x01
152 #define MCD_LK_TEST 0x02
153
154 /* DMA Enable Stuff */
155 #define MCD_DMA_IRQFLAGS 0x10 /* Set data0 for IRQ click */
156
157 #define MCD_DMA_PREIRQ 0x01 /* All of these are for */
158 #define MCD_DMA_POSTIRQ 0x02 /* MCD_DMA_IRQFLAG... */
159 #define MCD_DMA_ERRIRQ 0x04 /* */
160
161 #define MCD_DMA_TIMEOUT 0x08 /* Set data0 for DMA timeout */
162 #define MCD_DMA_UPCFLAG 0x04 /* 1 = Next command will be READUPC */
163
164 #define MCD_DMA_DMAMODE 0x02 /* 1 = Data uses DMA */
165 #define MCD_DMA_TRANSFERLENGTH 0x01 /* data0 = MSB, data1 = LSB of block length */
166
167 struct mcd_dma_mode {
168 u_char dma_mode;
169 u_char data0; /* If dma_mode & 0x10: Use IRQ settings */
170 u_char data1; /* Used if dma_mode & 0x01 */
171 };
172
173 struct mcd_volinfo {
174 bcd_t trk_low;
175 bcd_t trk_high;
176 bcd_t vol_msf[3];
177 bcd_t trk1_msf[3];
178 };
179
180 struct mcd_qchninfo {
181 u_char addr_type:4;
182 u_char control:4;
183 u_char trk_no;
184 u_char idx_no;
185 bcd_t trk_size_msf[3];
186 u_char :8;
187 bcd_t hd_pos_msf[3];
188 };
189
190 struct mcd_volume {
191 u_char v0l;
192 u_char v0rs;
193 u_char v0r;
194 u_char v0ls;
195 };
196
197 struct mcd_holdtime {
198 u_char units_of_ten_seconds;
199 /* If this is 0, the default (12) is used */
200 };
201
202 struct mcd_read1 {
203 bcd_t start_msf[3];
204 u_char nsec[3];
205 };
206
207 struct mcd_read2 {
208 bcd_t start_msf[3];
209 bcd_t end_msf[3];
210 };
211
212 struct mcd_rawsector {
213 u_char sync1[12];
214 u_char header[4];
215 u_char subheader1[4];
216 u_char subheader2[4];
217 u_char data[MCDBLK];
218 u_char ecc_bits[280];
219 };
220
221 #ifdef __GNUC__
222 #if __GNUC__ >= 2
223 #pragma pack(4)
224 #endif
225 #endif
226 #endif /* MCD_H */
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