1 /* $NetBSD: scsipi_cd.h,v 1.7 2003/09/07 22:11:24 mycroft 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 20 /* 21 * Define two bits always in the same place in byte 2 (flag byte) 22 */ 23 #define CD_RELADDR 0x01 24 #define CD_MSF 0x02 25 26 /* 27 * SCSI and SCSI-like command format 28 */ 29 30 #define LOAD_UNLOAD 0xa6 31 struct scsipi_load_unload { 32 u_int8_t opcode; 33 u_int8_t unused1[3]; 34 u_int8_t options; 35 u_int8_t unused2[3]; 36 u_int8_t slot; 37 u_int8_t unused3[3]; 38 } __attribute__((packed)); 39 40 #define PAUSE 0x4b /* cdrom pause in 'play audio' mode */ 41 struct scsipi_pause { 42 u_int8_t opcode; 43 u_int8_t byte2; 44 u_int8_t unused[6]; 45 u_int8_t resume; 46 u_int8_t control; 47 } __attribute__((packed)); 48 #define PA_PAUSE 0x00 49 #define PA_RESUME 0x01 50 51 #define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */ 52 struct scsipi_play_msf { 53 u_int8_t opcode; 54 u_int8_t byte2; 55 u_int8_t unused; 56 u_int8_t start_m; 57 u_int8_t start_s; 58 u_int8_t start_f; 59 u_int8_t end_m; 60 u_int8_t end_s; 61 u_int8_t end_f; 62 u_int8_t control; 63 } __attribute__((packed)); 64 65 #define PLAY 0x45 /* cdrom play 'play audio' mode */ 66 struct scsipi_play { 67 u_int8_t opcode; 68 u_int8_t byte2; 69 u_int8_t blk_addr[4]; 70 u_int8_t unused; 71 u_int8_t xfer_len[2]; 72 u_int8_t control; 73 } __attribute__((packed)); 74 75 #define READ_HEADER 0x44 /* cdrom read header */ 76 struct scsipi_read_header { 77 u_int8_t opcode; 78 u_int8_t byte2; 79 u_int8_t blk_addr[4]; 80 u_int8_t unused; 81 u_int8_t data_len[2]; 82 u_int8_t control; 83 } __attribute__((packed)); 84 85 #define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */ 86 struct scsipi_read_subchannel { 87 u_int8_t opcode; 88 u_int8_t byte2; 89 u_int8_t byte3; 90 #define SRS_SUBQ 0x40 91 u_int8_t subchan_format; 92 u_int8_t unused[2]; 93 u_int8_t track; 94 u_int8_t data_len[2]; 95 u_int8_t control; 96 } __attribute__((packed)); 97 98 #define READ_TOC 0x43 /* cdrom read TOC */ 99 struct scsipi_read_toc { 100 u_int8_t opcode; 101 u_int8_t byte2; 102 u_int8_t unused[4]; 103 u_int8_t from_track; 104 u_int8_t data_len[2]; 105 u_int8_t control; 106 } __attribute__((packed)); 107 108 #define READ_CD_CAPACITY 0x25 /* slightly different from disk */ 109 struct scsipi_read_cd_capacity { 110 u_int8_t opcode; 111 u_int8_t byte2; 112 u_int8_t addr[4]; 113 u_int8_t unused[3]; 114 u_int8_t control; 115 } __attribute__((packed)); 116 117 struct scsipi_read_cd_cap_data { 118 u_int8_t addr[4]; 119 u_int8_t length[4]; 120 } __attribute__((packed)); 121 122 /* mod pages common to scsi and atapi */ 123 struct cd_audio_page { 124 u_int8_t pg_code; 125 #define AUDIO_PAGE 0x0e 126 u_int8_t pg_length; 127 u_int8_t flags; 128 #define CD_PA_SOTC 0x02 129 #define CD_PA_IMMED 0x04 130 u_int8_t unused[2]; 131 u_int8_t format_lba; /* valid only for SCSI CDs */ 132 #define CD_PA_FORMAT_LBA 0x0F 133 #define CD_PA_APR_VALID 0x80 134 u_int8_t lb_per_sec[2]; 135 struct port_control { 136 u_int8_t channels; 137 #define CHANNEL 0x0F 138 #define CHANNEL_0 1 139 #define CHANNEL_1 2 140 #define CHANNEL_2 4 141 #define CHANNEL_3 8 142 #define LEFT_CHANNEL CHANNEL_0 143 #define RIGHT_CHANNEL CHANNEL_1 144 #define MUTE_CHANNEL 0x0 145 #define BOTH_CHANNEL LEFT_CHANNEL | RIGHT_CHANNEL 146 u_int8_t volume; 147 } port[4]; 148 #define LEFT_PORT 0 149 #define RIGHT_PORT 1 150 }; 151