1 /* $NetBSD: scsipi_cd.h,v 1.3 1997/10/01 01:19:09 enami Exp $ */ 2 3 /* 4 * Written by Julian Elischer (julian@tfs.com) 5 * for TRW Financial Systems. 6 * 7 * TRW Financial Systems, in accordance with their agreement with Carnegie 8 * Mellon University, makes this software available to CMU to distribute 9 * or use in any manner that they see fit as long as this message is kept with 10 * the software. For this reason TFS also grants any other persons or 11 * organisations permission to use or modify this software. 12 * 13 * TFS supplies this software to be publicly redistributed 14 * on the understanding that TFS is not responsible for the correct 15 * functioning of this software in any circumstances. 16 * 17 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 18 */ 19 #ifndef _SCSI_PI_CD_H 20 #define _SCSI_PI_CD_H 1 21 22 /* 23 * Define two bits always in the same place in byte 2 (flag byte) 24 */ 25 #define CD_RELADDR 0x01 26 #define CD_MSF 0x02 27 28 /* 29 * SCSI and SCSI-like command format 30 */ 31 32 #define PAUSE 0x4b /* cdrom pause in 'play audio' mode */ 33 struct scsipi_pause { 34 u_int8_t opcode; 35 u_int8_t byte2; 36 u_int8_t unused[6]; 37 u_int8_t resume; 38 u_int8_t control; 39 }; 40 #define PA_PAUSE 0x00 41 #define PA_RESUME 0x01 42 43 #define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */ 44 struct scsipi_play_msf { 45 u_int8_t opcode; 46 u_int8_t byte2; 47 u_int8_t unused; 48 u_int8_t start_m; 49 u_int8_t start_s; 50 u_int8_t start_f; 51 u_int8_t end_m; 52 u_int8_t end_s; 53 u_int8_t end_f; 54 u_int8_t control; 55 }; 56 57 #define PLAY 0x45 /* cdrom play 'play audio' mode */ 58 struct scsipi_play { 59 u_int8_t opcode; 60 u_int8_t byte2; 61 u_int8_t blk_addr[4]; 62 u_int8_t unused; 63 u_int8_t xfer_len[2]; 64 u_int8_t control; 65 }; 66 67 #define READ_HEADER 0x44 /* cdrom read header */ 68 struct scsipi_read_header { 69 u_int8_t opcode; 70 u_int8_t byte2; 71 u_int8_t blk_addr[4]; 72 u_int8_t unused; 73 u_int8_t data_len[2]; 74 u_int8_t control; 75 }; 76 77 #define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */ 78 struct scsipi_read_subchannel { 79 u_int8_t opcode; 80 u_int8_t byte2; 81 u_int8_t byte3; 82 #define SRS_SUBQ 0x40 83 u_int8_t subchan_format; 84 u_int8_t unused[2]; 85 u_int8_t track; 86 u_int8_t data_len[2]; 87 u_int8_t control; 88 }; 89 90 #define READ_TOC 0x43 /* cdrom read TOC */ 91 struct scsipi_read_toc { 92 u_int8_t opcode; 93 u_int8_t byte2; 94 u_int8_t unused[4]; 95 u_int8_t from_track; 96 u_int8_t data_len[2]; 97 u_int8_t control; 98 }; 99 ; 100 101 #define READ_CD_CAPACITY 0x25 /* slightly different from disk */ 102 struct scsipi_read_cd_capacity { 103 u_int8_t opcode; 104 u_int8_t byte2; 105 u_int8_t addr[4]; 106 u_int8_t unused[3]; 107 u_int8_t control; 108 }; 109 110 struct scsipi_read_cd_cap_data { 111 u_int8_t addr[4]; 112 u_int8_t length[4]; 113 }; 114 115 /* mod pages common to scsi and atapi */ 116 struct cd_audio_page { 117 u_int8_t page_code; 118 #define CD_PAGE_CODE 0x3F 119 #define AUDIO_PAGE 0x0e 120 #define CD_PAGE_PS 0x80 121 u_int8_t param_len; 122 u_int8_t flags; 123 #define CD_PA_SOTC 0x02 124 #define CD_PA_IMMED 0x04 125 u_int8_t unused[2]; 126 u_int8_t format_lba; /* valid only for SCSI CDs */ 127 #define CD_PA_FORMAT_LBA 0x0F 128 #define CD_PA_APR_VALID 0x80 129 u_int8_t lb_per_sec[2]; 130 struct port_control { 131 u_int8_t channels; 132 #define CHANNEL 0x0F 133 #define CHANNEL_0 1 134 #define CHANNEL_1 2 135 #define CHANNEL_2 4 136 #define CHANNEL_3 8 137 #define LEFT_CHANNEL CHANNEL_0 138 #define RIGHT_CHANNEL CHANNEL_1 139 #define MUTE_CHANNEL 0x0 140 #define BOTH_CHANNEL LEFT_CHANNEL | RIGHT_CHANNEL 141 u_int8_t volume; 142 } port[4]; 143 #define LEFT_PORT 0 144 #define RIGHT_PORT 1 145 }; 146 147 #endif /* _SCSI_PI_CD_H */ 148