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1992-07-24
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/*
* cd_commands.h: header file for cd_commands.c
*
* History
* -------
* Mon Sep 16 15:57:35 PDT 1991 James C. Lee at NeXT
* Created
*/
#ifndef CD_COMMANDS
#define CD_COMMANDS
#import <sys/types.h>
#import <libc.h>
#import <nextdev/scsireg.h>
#import <sys/time.h>
/* start/stop command (C6OP_STARTSTOP = 1Bh) */
struct start_stop_cmd {
u_char ssc_opcode;
u_char ssc_lun:3,
ssc_reserved:4,
ssc_imm:1;
u_int ssc_reserved2:22,
ssc_loej:1,
ssc_start:1,
ssc_control:8;
};
/* read toc reply header */
struct rtr_header {
u_int rtr_datalength:16,
rtr_firsttrack:8,
rtr_lasttrack:8;
};
/* read toc reply descriptor */
struct rtr10_desc {
u_int t10d_reserved:12,
t10d_control:4,
t10d_track:8,
t10d_reserved2:8;
u_int t10d_hour:8,
t10d_min:8,
t10d_sec:8,
t10d_frame:8;
};
/* read toc reply with one descriptor, to read more than 1 descriptor
blocks at a time, one must allocate
sizeof(struct rtr10_desc)*num_descriptrs+sizeof(struct_rtr_header) bytes,
and then traverse through the memory */
struct toc10_rep$
struct rtr_header h;
struct rtr10_desc d; /* one descriptor block */
};
/* an entry to toc info */
struct toc_info {
u_char control; /* control bits */
u_int hour:8, /* msf address */
min:8,
sec:8,
frame; /* not too sure what this byte is */
};
/* control bits */
#define PRE_EMPHASIS 0x1 /* pre-emphasis or not */
#define DIGITAL_COPY 0x2 /* digital copy permitted (1) or not (0) */
#define DATA_TRACK 0x4 /* data track (1) or autio track (0) */
#define FOUR_CHANNEL 0x8 /* four channel (1) or two channel (0) */
/* entire table of contents */
struct toc_all {
u_short firsttrack:8,
lasttrack:8;
int naudio, /* number of audio tracks */
ndata, /* number of data tracks */
lastDataBlock; /* very last data block */
struct toc_info info[101]; /* 0-99 + transition area (100) */
};
#define C10OP_READTOC 0x43 /* read toc10 command */
/* read toc10 command (C10OP_READTOC = 43h) */
struct readtoc10_cmd {
u_char rt10_op_code;
u_char rt10_lun:3,
rt10_reserved:3,
rt10_msf:1,
rt10_reserved2:1;
u_int rt10_reserved3;
u_int rt10_starttrack:8,
rt10_length:16,
rt10_control:8;
};
#define C6OP_PLAYAUDIO 0xc8
/* play audio command (C6OP_PLAYAUDIO = c8h) */
struct playaudio_cmd {
u_char pa_op_code;
u_char pa_lun:3,
pa_reserved:5;
u_int pa_lba; /* lba to start playing */
u_int pa_reserved2:8,
pa_length:16,
pa_control:8;
};
#define C10OP_PAUSE 0xc5
/* pause audio commnad (C10OP_PAUSE = c5h) */
struct pause_cmd {
u_char p_op_code;
u_int p_lun:3,
p_pause:1,
p_reserved:28;
u_int p_reserved2;
u_char p_control;
};
/* msf data format */
struct msf {
u_int hour:8,
min:8,
sec:8,
frame:8;
};
#define C10OP_PLAYAUDIO_MSF 0x47
/* play audio msf command (C6OP_PLAYAUDIO = 47h) */
struct playaudio_msf_cmd {
u_char pam_op_code;
u_char pam_lun:3,
pam_reserved:5;
u_int pam_reserved2:8,
pam_start_min:8,
pam_start_sec:8,
pam_start_frame:8;
u_int pam_end_min:8,
pam_end_sec:8,
pam_end_frame:8,
pam_control:8;
};
/**********************************************************
* sub channel
**********************************************************/
#define C10OP_READSUBHCANNEL 0x42
/* read sub-channel (C10OP_READSUBHCANNEL = 42h) */
struct readsc_cmd {
u_int rsc_op_code:8,
rsc_lun:3,
rsc_reserved:3,
rsc_msf:1,
rsc_reserved2:2$ rsc_subq:1, /* sub-channel data or not (not=just header) */
rsc_reserved3:6,
rsc_dformat:8;
u_short rsc_reserved4;
u_int rsc_track:8,
rsc_length:16,
rsc_control:8;
};
/* sub-channel data header */
struct sc_header {
u_int sch_reserved:8,
sch_astatus:8, /* audio status */
sch_length:16; /* sub-channel data length */
};
/* sub-channel data format page 1: CD-ROM current position data block */
struct sc_cur_pos {
u_int sc1_data_code:8,
sc1_reserved:4,
sc1_control:4,
sc1_track:8,
sc1_index:8;
u_int sc1_abs_addr;
u_int sc1_rel_addr;
};
/* sub-channel data format page 2: Media Catalog Number Data Format */
struct sc_med_cat {
u_int sc2_data_code:8,
sc2_reserved:24;
u_char sc2_mcval:1,
sc2_reserved2:7;
u_char sc2_med_cat[15];
};
/* sub-channel data format page 3: Track International Standard Recording Data
Format */
struct sc_isrc {
u_int sc3_data_code:8,
sc3_reserved:8,
sc3_track:8,
sc3_reserved2:8;
u_char sc3_tcval:1,
sc3_reserved3:7;
u_char sc3_isrc[15];
};
/* sub-channel reply */
struct sc_reply {
struct sc_header scr_header;
union {
struct sc_cur_pos u_scr_cur_pos;
struct sc_med_cat u_scr_med_cat;
struct sc_isrc u_scr_isrc;
}u;
};
/**********************************************************
* playback status & playback control
**********************************************************/
#define C10OP_PLAYBACKCONTROL 0xc9
#define C10OP_PLAYBACKSTATUS 0xc4
struct playback_cmd {
u_char pb_opcode;
u_int pb_lun:3,
pb_reserved:29;
u_int pb_reserved2:16,
pb_length:16;
u_char pb_control;
};
struct playback_data {
u_int pbd_reserved;
u_int pbd_reserved2;
u_short pbd_reserved3;
u_int pbd_reserved4:4,
pbd_ch0_sel:4,
pbd_ch0_vol:8,
pbd_reserved5:4,
pbd_ch1_sel:4,
pbd_ch1_vol:8;
u_int pbd_reserved6:4,
pbd_ch2_sel:4,
pbd_ch2_vol:8,
pbd_reserved7:4,
pbd_ch3_sel:4,
pbd_ch3_vol:8;
};
int do_eject(int fd, struct timeval *tvp, struct esense_reply *erp);
int do_spinup(int fd, struct timeval *tvp, struct esense_reply *erp);
int do_readtoc(int fd, int track, struct toc10_reply *tocr,
struct esense_reply *erp);
int do_readtoc_all(int fd, struct toc_all *toc_all, struct esense_reply *erp);
int do_playaudio(int fd, int lba, int length, struct esense_reply *erp);
int do_pauseaudio(int fd, $ pause, struct esense_reply *erp);
int do_playaudio_msf(int fd, struct msf startmsf, struct msf endmsf,
struct esense_reply *erp);
int do_readsubchannel(int fd, int msf, int subq, int page, int track,
struct sc_reply *scrp, struct esense_reply *erp);
int do_playbackstatus(int fd, struct playback_data *pbdatap,
struct esense_reply *erp);
int do_playbackcontrol(int fd, struct playback_data *pbdatap,
struct esense_reply *erp);
void printf_sc(int page, struct sc_reply *scrp);
void printf_pb(struct playback_data *pbdatap);
#endif