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GNU Mach 1.0
/*
* Mach Operating System
* Copyright (c) 1993 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or [email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* File: rz_audio.c
* Author: Alessandro Forin, Carnegie Mellon University
* Date: 3/93
*
* Top layer of the SCSI driver: interface with the MI.
* This file contains operations specific to audio CD-ROM devices.
* Unlike many others, it sits on top of the rz.c module.
*/
#include <mach/std_types.h>
#include <kern/strings.h>
#include <machine/machspl.h> /* spl definitions */
#include <vm/vm_kern.h>
#include <device/ds_routines.h>
#include <scsi/compat_30.h>
#include <scsi/scsi.h>
#include <scsi/scsi2.h>
#include <scsi/scsi_defs.h>
#include <scsi/rz.h>
#if (NSCSI > 0)
#define private static
/* some data is two BCD digits in one byte */
#define bcd_to_decimal(b) (((b)&0xf) + 10 * (((b) >> 4) & 0xf))
#define decimal_to_bcd(b) ((((b) / 10) << 4) | ((b) % 10))
/*
* Regular use of a CD-ROM is for data, and is handled
* by the default set of operations. Ours is for funtime..
*/
extern char *sccdrom_name();
int cd_strategy();
void cd_start();
private scsi_devsw_t scsi_audio = {
sccdrom_name, 0, 0, 0, cd_strategy, cd_start, 0, 0
};
private char unsupported[] = "Device does not support it.";
/*
* Unfortunately, none of the vendors appear to
* abide by the SCSI-2 standard and many of them
* violate or stretch even the SCSI-1 one.
* Therefore, we keep a red-list here of the worse
* offendors and how to deal with them.
* The user is notified of the problem and invited
* to solicit his vendor to upgrade the firmware.
* [They had plenty of time to do so]
*/
typedef struct red_list {
char *vendor;
char *product;
char *rev;
/*
* The standard MANDATES [par 13.1.6] the play_audio command
* at least as a way to discover if the device
* supports audio operations at all. This is the only way
* we need to use it.
*/
scsi_ret_t (*can_play_audio)( target_info_t *, char *, io_req_t);
/*
* The standard defines the use of start_stop_unit to
* cause the drive to eject the disk.
*/
scsi_ret_t (*eject)( target_info_t *, char *, io_req_t );
/*
* The standard defines read_subchannel as a way to
* get the current playing position.
*/
scsi_ret_t (*current_position)( target_info_t *, char *, io_req_t );
/*
* The standard defines read_table_of_content to get
* the listing of audio tracks available.
*/
scsi_ret_t (*read_toc)( target_info_t *, char *, io_req_t );
/*
* The standard defines read_subchannel as the way to
* report the current audio status (playing/stopped/...).
*/
scsi_ret_t (*get_status)( target_info_t *, char *, io_req_t );
/*
* The standard defines two ways to issue a play command,
* depending on the type of addressing used.
*/
scsi_ret_t (*play_msf)( target_info_t *, char *, io_req_t );
scsi_ret_t (*play_ti)( target_info_t *, char *, io_req_t );
/*
* The standard defines the pause_resume command to
* suspend or resume playback of audio data.
*/
scsi_ret_t (*pause_resume)( target_info_t *, char *, io_req_t );
/*
* The standard defines the audio page among the
* mode selection options as a way to control
* both volume and connectivity of the channels
*/
scsi_ret_t (*volume_control)( target_info_t *, char *, io_req_t );
} red_list_t;
#define if_it_can_do(some_cmd) \
if (tgt->dev_info.cdrom.violates_standards && \
tgt->dev_info.cdrom.violates_standards->some_cmd) \
rc = (*tgt->dev_info.cdrom.violates_standards->some_cmd) \
(tgt,cmd,ior); \
else
/*
* So now that you know what they should have implemented :-),
* check at the end of the file what the naughty boys did instead.
*/
/* private red_list_t audio_replacements[]; / * at end */
/*
* Forward decls
*/
private void decode_status( char *buf, unsigned char audio_status );
void zero_ior( io_req_t );
/*
* Open routine. Does some checking, sets up
* the replacement pointer.
*/
io_return_t
cd_open(
int dev,
dev_mode_t mode,
io_req_t req)
{
scsi_softc_t *sc = 0;
target_info_t *tgt;
int ret;
scsi_ret_t rc;
io_req_t ior = 0;
vm_offset_t mem = 0;
extern boolean_t rz_check();
if (!rz_check(dev, &sc, &tgt)) {
/*
* Probe it again: might have installed a new device
*/
if (!sc || !scsi_probe(sc, &tgt, rzslave(dev), ior))
return D_NO_SUCH_DEVICE;
bzero(&tgt->dev_info, sizeof(tgt->dev_info));
}
/*
* Check this is indeded a CD-ROM
*/
if (tgt->dev_ops != &scsi_devsw[SCSI_CDROM]) {
rz_close(dev);
return D_NO_SUCH_DEVICE;
}
/*
* Switch to audio ops, unless some wrong
*/
tgt->dev_ops = &scsi_audio;
/*
* Bring unit online
*/
ret = rz_open(dev, mode, req);
if (ret) goto bad;
/* Pessimistic */
ret = D_INVALID_OPERATION;
/*
* Check if this device is on the red list
*/
{
scsi2_inquiry_data_t *inq;
private void check_red_list();
scsi_inquiry(tgt, SCSI_INQ_STD_DATA);
inq = (scsi2_inquiry_data_t*)tgt->cmd_ptr;
check_red_list( tgt, inq );
}
/*
* Allocate dynamic data
*/
if (kmem_alloc(kernel_map, &mem, PAGE_SIZE) != KERN_SUCCESS)
return D_NO_MEMORY;
tgt->dev_info.cdrom.result = (void *)mem;
tgt->dev_info.cdrom.result_available = FALSE;
/*
* See if this CDROM can play audio data
*/
io_req_alloc(ior,0);
zero_ior( ior );
{
char *cmd = 0;
if_it_can_do(can_play_audio)
rc = scsi_play_audio( tgt, 0, 0, FALSE, ior);
}
if (rc != SCSI_RET_SUCCESS) goto bad;
io_req_free(ior);
return D_SUCCESS;
bad:
if (ior) io_req_free(ior);
if (mem) kmem_free(kernel_map, mem, PAGE_SIZE);
tgt->dev_ops = &scsi_devsw[SCSI_CDROM];
return ret;
}
/*
* Close routine.
*/
io_return_t
cd_close(
int dev)
{
scsi_softc_t *sc;
target_info_t *tgt;
vm_offset_t mem;
if (!rz_check(dev, &sc, &tgt))
return D_NO_SUCH_DEVICE;
if (!tgt || (tgt->dev_ops != &scsi_audio))
return D_NO_SUCH_DEVICE;
/*
* Cleanup state
*/
mem = (vm_offset_t) tgt->dev_info.cdrom.result;
tgt->dev_info.cdrom.result = (void *)0;
tgt->dev_info.cdrom.result_available = FALSE;
(void) kmem_free(kernel_map, mem, PAGE_SIZE);
(void) rz_close(dev);
tgt->dev_ops = &scsi_devsw[SCSI_CDROM];
return D_SUCCESS;
}
/*
* Write routine. It is passed an ASCII string
* with the command to be executed.
*/
io_return_t
cd_write(
int dev,
io_req_t ior)
{
register kern_return_t rc;
boolean_t wait = FALSE;
io_return_t ret;
int count;
register char *data;
vm_offset_t addr;
data = ior->io_data;
count = ior->io_count;
if (count == 0)
return D_SUCCESS;
if (!(ior->io_op & IO_INBAND)) {
/*
* Copy out-of-line data into kernel address space.
* Since data is copied as page list, it will be
* accessible.
*/
vm_map_copy_t copy = (vm_map_copy_t) data;
kern_return_t kr;
kr = vm_map_copyout(device_io_map, &addr, copy);
if (kr != KERN_SUCCESS)
return kr;
data = (char *) addr;
}
if (scsi_debug) printf("Got command '%s'\n", data);
ret = cd_command( dev, data, count, ior);
if (!(ior->io_op & IO_INBAND))
(void) vm_deallocate(device_io_map, addr, ior->io_count);
return D_SUCCESS;
}
/*
* Read routine. Returns an ASCII string with the results
* of the last command executed.
*/
io_return_t
cd_read(
int dev,
io_req_t ior)
{
target_info_t *tgt;
kern_return_t rc;
natural_t count;
/*
* Allocate memory for read buffer.
*/
count = (natural_t)ior->io_count;
if (count > PAGE_SIZE)
return D_INVALID_SIZE; /* sanity */
rc = device_read_alloc(ior, count);
if (rc != KERN_SUCCESS)
return rc;
if (scsi_debug) printf("Got read req for %d bytes\n", count);
/*
* See if last cmd left some to say
*/
tgt = scsi_softc[rzcontroller(dev)]->target[rzslave(dev)];
if (tgt->dev_info.cdrom.result_available) {
int len;
tgt->dev_info.cdrom.result_available = FALSE;
len = strlen(tgt->dev_info.cdrom.result)+1;
if (count > len)
count = len;
bcopy(tgt->dev_info.cdrom.result, ior->io_data, count);
} else {
# define noway "No results pending"
count = (count > sizeof(noway)) ? sizeof(noway) : count;
bcopy(noway, ior->io_data, count);
}
ior->io_residual = ior->io_count - count;
return D_SUCCESS;
}
/*
* This does all the work
*/
io_return_t
cd_command(
int dev,
char *cmd,
int count,
io_req_t req)
{
target_info_t *tgt;
io_req_t ior;
io_return_t ret = D_INVALID_OPERATION;
scsi_ret_t rc;
char *buf;
tgt = scsi_softc[rzcontroller(dev)]->target[rzslave(dev)];
buf = tgt->dev_info.cdrom.result;
tgt->dev_info.cdrom.result_available = FALSE;
io_req_alloc(ior,0);
zero_ior( ior );
switch (cmd[0]) {
case 'E':
/* "Eject" */
/* too many dont support it. Sigh */
tgt->flags |= TGT_OPTIONAL_CMD;
(void) scsi_medium_removal( tgt, TRUE, ior);
tgt->flags &= ~TGT_OPTIONAL_CMD;
zero_ior( ior );
if_it_can_do(eject)
rc = scsi_start_unit(tgt, SCSI_CMD_SS_EJECT, ior);
break;
case 'G':
switch (cmd[4]) {
case 'P':
/* "Get Position MSF|ABS" */
if_it_can_do(current_position) {
rc = scsi_read_subchannel(tgt,
cmd[13] == 'M',
SCSI_CMD_RS_FMT_CURPOS,
0,
ior);
if (rc == SCSI_RET_SUCCESS) {
cdrom_chan_curpos_t *st;
st = (cdrom_chan_curpos_t *)tgt->cmd_ptr;
if (cmd[13] == 'M')
sprintf(buf, "MSF Position %d %d %d %d %d %d",
(integer_t)st->subQ.absolute_address.msf.minute,
(integer_t)st->subQ.absolute_address.msf.second,
(integer_t)st->subQ.absolute_address.msf.frame,
(integer_t)st->subQ.relative_address.msf.minute,
(integer_t)st->subQ.relative_address.msf.second,
(integer_t)st->subQ.relative_address.msf.frame);
else
sprintf(buf, "ABS Position %d %d", (integer_t)
(st->subQ.absolute_address.lba.lba1<<24)+
(st->subQ.absolute_address.lba.lba2<<16)+
(st->subQ.absolute_address.lba.lba3<< 8)+
st->subQ.absolute_address.lba.lba4,
(integer_t)
(st->subQ.relative_address.lba.lba1<<24)+
(st->subQ.relative_address.lba.lba2<<16)+
(st->subQ.relative_address.lba.lba3<< 8)+
st->subQ.relative_address.lba.lba4);
tgt->dev_info.cdrom.result_available = TRUE;
}
}
break;
case 'T':
/* "Get TH" */
if_it_can_do(read_toc) {
rc = scsi_read_toc(tgt, TRUE, 1, PAGE_SIZE, ior);
if (rc == SCSI_RET_SUCCESS) {
cdrom_toc_t *toc = (cdrom_toc_t *)tgt->cmd_ptr;
sprintf(buf, "toc header: %d %d %d",
(toc->len1 << 8) + toc->len2,
toc->first_track,
toc->last_track);
tgt->dev_info.cdrom.result_available = TRUE;
}
}
break;
case 'S':
/* "Get Status" */
if_it_can_do(get_status) {
rc = scsi_read_subchannel(tgt,
TRUE,
SCSI_CMD_RS_FMT_CURPOS,
0,
ior);
if (rc == SCSI_RET_SUCCESS) {
cdrom_chan_curpos_t *st;
st = (cdrom_chan_curpos_t *)tgt->cmd_ptr;
decode_status(buf, st->audio_status);
tgt->dev_info.cdrom.result_available = TRUE;
}
}
break;
}
break;
case 'P':
switch (cmd[5]) {
case 'A':
/* "Play A startM startS startF endM endS endF" */
if_it_can_do(play_msf) {
int sm, ss, sf, em, es, ef;
sscanf(&cmd[7], "%d %d %d %d %d %d",
&sm, &ss, &sf, &em, &es, &ef);
rc = scsi_play_audio_msf(tgt,
sm, ss, sf,
em, es, ef,
ior);
}
break;
case 'T':
/* "Play TI startT startI endT endI" */
if_it_can_do(play_ti) {
int st, si, et, ei;
sscanf(&cmd[8], "%d %d %d %d",
&st, &si, &et, &ei);
rc = scsi_play_audio_track_index(tgt,
st, si, et, ei, ior);
}
break;
}
break;
case 'R':
/* "Resume" */
if_it_can_do(pause_resume)
rc = scsi_pause_resume(tgt, FALSE, ior);
break;
case 'S':
switch (cmd[2]) {
case 'a':
/* "Start" */
rc = scsi_start_unit(tgt, SCSI_CMD_SS_START, ior);
break;
case 'o':
/* "Stop" */
if_it_can_do(pause_resume)
rc = scsi_pause_resume(tgt, TRUE, ior);
break;
case 't':
/* "Set V chan0vol chan1vol chan2vol chan3vol" */
if_it_can_do(volume_control) {
int v0, v1, v2, v3;
cdrom_audio_page_t au, *aup;
rc = scsi_mode_sense(tgt,
SCSI_CD_AUDIO_PAGE,
sizeof(au),
ior);
if (rc == SCSI_RET_SUCCESS) {
sscanf(&cmd[6], "%d %d %d %d",
&v0, &v1, &v2, &v3);
aup = (cdrom_audio_page_t *) tgt->cmd_ptr;
au = *aup;
/* au.h.bdesc ... */
au.vol0 = v0;
au.vol1 = v1;
au.vol2 = v2;
au.vol3 = v3;
au.imm = 1;
au.aprv = 0;
zero_ior( ior );
rc = scsi2_mode_select(tgt, FALSE,
&au, sizeof(au), ior);
}
}
break;
}
break;
case 'T':
/* "Toc MSF|ABS trackno" */
if_it_can_do(read_toc) {
int t, m;
sscanf(&cmd[8], "%d", &t);
rc = scsi_read_toc( tgt, cmd[4]=='M', t, PAGE_SIZE, ior);
if (rc == SCSI_RET_SUCCESS) {
cdrom_toc_t *toc = (cdrom_toc_t *)tgt->cmd_ptr;
sprintf(buf, "TOC from track %d:\n", t);
m = (toc->len1 << 8) + toc->len2;
m -= 4; /* header */
for (t = 0; m > 0; t++, m -= sizeof(struct cdrom_toc_desc)) {
buf += strlen(buf);
if (cmd[4] == 'M')
sprintf(buf, "%d %d %d %d %d %d\n",
toc->descs[t].control,
toc->descs[t].adr,
toc->descs[t].trackno,
(integer_t)toc->descs[t].absolute_address.msf.minute,
(integer_t)toc->descs[t].absolute_address.msf.second,
(integer_t)toc->descs[t].absolute_address.msf.frame);
else
sprintf(buf, "%d %d %d %d\n",
toc->descs[t].control,
toc->descs[t].adr,
toc->descs[t].trackno,
(toc->descs[t].absolute_address.lba.lba1<<24)+
(toc->descs[t].absolute_address.lba.lba2<<16)+
(toc->descs[t].absolute_address.lba.lba3<<8)+
toc->descs[t].absolute_address.lba.lba4);
}
tgt->dev_info.cdrom.result_available = TRUE;
}
}
break;
}
if (rc == SCSI_RET_SUCCESS)
ret = D_SUCCESS;
/* We are stateless, but.. */
if (rc == SCSI_RET_NEED_SENSE) {
zero_ior( ior );
tgt->ior = ior;
scsi_request_sense(tgt, ior, 0);
iowait(ior);
if (scsi_check_sense_data(tgt, tgt->cmd_ptr))
scsi_print_sense_data(tgt->cmd_ptr);
}
io_req_free(ior);
return ret;
}
private char st_invalid [] = "Drive would not say";
private char st_playing [] = "Playing";
private char st_paused [] = "Suspended";
private char st_complete[] = "Done playing";
private char st_error [] = "Stopped in error";
private char st_nothing [] = "Idle";
private void
decode_status(
char *buf,
unsigned char audio_status)
{
switch (audio_status) {
case SCSI_CDST_INVALID:
sprintf(buf, st_invalid); break;
case SCSI_CDST_PLAYING:
sprintf(buf, st_playing); break;
case SCSI_CDST_PAUSED:
sprintf(buf, st_paused); break;
case SCSI_CDST_COMPLETED:
sprintf(buf, st_complete); break;
case SCSI_CDST_ERROR:
sprintf(buf, st_error); break;
case SCSI_CDST_NO_STATUS:
sprintf(buf, st_nothing); break;
}
}
/* some vendor specific use this instead */
private void
decode_status_1(
char *buf,
unsigned char audio_status)
{
switch (audio_status) {
case 0: sprintf(buf, st_playing ); break;
case 1:
case 2: sprintf(buf, st_paused ); break;
case 3: sprintf(buf, st_complete ); break;
default:
sprintf(buf, "Unknown status" ); break;
}
}
private void
curse_the_vendor(
red_list_t *list,
boolean_t not_really)
{
if (not_really) return;
printf("%s\n%s\n%s\n%s\n",
"The CDROM you use is not fully SCSI-2 compliant.",
"We invite You to contact Your vendor and ask",
"that they provide You with a firmware upgrade.",
"Here is a list of some known deficiencies");
printf("Vendor: %s Product: %s.. Revision: %s..\n",
list->vendor, list->product, list->rev);
#define check(x,y,z) \
if (list->x) printf("Command code x%x %s not supported\n", y, z);
check(can_play_audio, SCSI_CMD_PLAY_AUDIO, "PLAY_AUDIO");
check(eject, SCSI_CMD_START_STOP_UNIT,
"START_STOP_UNIT, flag EJECT(0x2) in byte 5");
check(current_position, SCSI_CMD_READ_SUBCH, "READ_SUBCHANNEL");
check(read_toc, SCSI_CMD_READ_TOC, "READ_TOC");
/* check(get_status, ...); duplicate of current_position */
check(play_msf, SCSI_CMD_PLAY_AUDIO_MSF, "PLAY_AUDIO_MSF");
check(play_ti, SCSI_CMD_PLAY_AUDIO_TI, "PLAY_AUDIO_TRACK_INDEX");
check(pause_resume, SCSI_CMD_PAUSE_RESUME, "PAUSE_RESUME");
check(volume_control, SCSI_CMD_MODE_SELECT,
"MODE_SELECT, AUDIO page(0xe)");
#undef check
printf("Will work around these problems...\n");
}
/*
* Ancillaries
*/
cd_strategy(ior)
register io_req_t ior;
{
return rz_simpleq_strategy( ior, cd_start);
}
void cd_start( tgt, done)
target_info_t *tgt;
boolean_t done;
{
io_req_t ior;
ior = tgt->ior;
if (done && ior) {
tgt->ior = 0;
iodone(ior);
return;
}
panic("cd start"); /* uhu? */
}
/*
* When the hardware cannot
*/
private scsi_ret_t
op_not_supported(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
/*
* The command is not implemented, no way around it
*/
sprintf(tgt->dev_info.cdrom.result, unsupported);
tgt->dev_info.cdrom.result_available = TRUE;
return SCSI_RET_SUCCESS;
}
/****************************************/
/* Vendor Specific Operations */
/****************************************/
/* DEC RRD42 */
#define SCSI_CMD_DEC_SET_ADDRESS_FORMAT 0xc0
# define scsi_cmd_saf_fmt scsi_cmd_xfer_len_2
#define SCSI_CMD_DEC_PLAYBACK_STATUS 0xc4
typedef struct {
unsigned char xxx;
BITFIELD_2(unsigned char,
is_msf: 1,
xxx1: 7);
unsigned char data_len1;
unsigned char data_len0;
unsigned char audio_status;
BITFIELD_2(unsigned char,
control : 4,
xxx2 : 4);
cdrom_addr_t address;
BITFIELD_2(unsigned char,
chan0_select : 4,
xxx3 : 4);
unsigned char chan0_volume;
BITFIELD_2(unsigned char,
chan1_select : 4,
xxx4 : 4);
unsigned char chan1_volume;
BITFIELD_2(unsigned char,
chan2_select : 4,
xxx5 : 4);
unsigned char chan2_volume;
BITFIELD_2(unsigned char,
chan3_select : 4,
xxx6 : 4);
unsigned char chan3_volume;
} dec_playback_status_t;
#define SCSI_CMD_DEC_PLAYBACK_CONTROL 0xc9
typedef struct {
unsigned char xxx0;
BITFIELD_2(unsigned char,
fmt : 1,
xxx1 : 7);
unsigned char xxx[8];
BITFIELD_2(unsigned char,
chan0_select : 4,
xxx3 : 4);
unsigned char chan0_volume;
BITFIELD_2(unsigned char,
chan1_select : 4,
xxx4 : 4);
unsigned char chan1_volume;
BITFIELD_2(unsigned char,
chan2_select : 4,
xxx5 : 4);
unsigned char chan2_volume;
BITFIELD_2(unsigned char,
chan3_select : 4,
xxx6 : 4);
unsigned char chan3_volume;
} dec_playback_control_t;
#if 0
private scsi_ret_t
rrd42_status(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_ret_t rc;
char *buf = tgt->dev_info.cdrom.result;
scsi_command_group_2 c;
dec_playback_status_t *st;
/* We might have to specify addressing fmt */
if (cmd[4] == 'P') {
scsi_command_group_2 saf;
bzero(&saf, sizeof(saf));
saf.scsi_cmd_code = SCSI_CMD_DEC_SET_ADDRESS_FORMAT;
saf.scsi_cmd_saf_fmt = (cmd[13] == 'A') ? 0 : 1;
rc = cdrom_vendor_specific(tgt, &saf, 0, 0, 0, ior);
if (rc != SCSI_RET_SUCCESS) return rc;
zero_ior( ior );
}
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_DEC_PLAYBACK_STATUS;
c.scsi_cmd_xfer_len_2 = sizeof(*st);
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(*st), ior);
if (rc != SCSI_RET_SUCCESS) return rc;
st = (dec_playback_status_t *) tgt->cmd_ptr;
if (cmd[4] == 'S')
decode_status( buf, st->audio_status+0x11 );
else {
if (st->is_msf)
sprintf(buf, "MSF Position %d %d %d",
(integer_t)st->address.msf.minute,
(integer_t)st->address.msf.second,
(integer_t)st->address.msf.frame);
else
sprintf(buf, "ABS Position %d", (integer_t)
(st->address.lba.lba1<<24)+
(st->address.lba.lba2<<16)+
(st->address.lba.lba3<< 8)+
st->address.lba.lba4);
}
tgt->dev_info.cdrom.result_available = TRUE;
return rc;
}
#endif
private scsi_ret_t
rrd42_set_volume(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
dec_playback_control_t req;
int v0, v1, v2, v3;
sscanf(&cmd[6], "%d %d %d %d", &v0, &v1, &v2, &v3);
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_DEC_PLAYBACK_CONTROL;
c.scsi_cmd_xfer_len_2 = sizeof(req);
bzero(&req, sizeof(req));
if (v0) {
req.chan0_select = 1;
req.chan0_volume = v0;
}
if (v1) {
req.chan1_select = 2;
req.chan1_volume = v1;
}
if (v2) {
req.chan2_select = 4;
req.chan2_volume = v2;
}
if (v3) {
req.chan3_select = 8;
req.chan3_volume = v3;
}
return cdrom_vendor_specific(tgt, &c, &req, sizeof(req), 0, ior);
}
/* NEC CD-ROM */
#define SCSI_CMD_NEC_READ_TOC 0xde
typedef struct {
unsigned char xxx[9];
unsigned char first_track;
unsigned char xxx1[9];
unsigned char last_track;
unsigned char xxx2[9];
unsigned char lead_out_addr[3];
struct {
BITFIELD_2(unsigned char,
adr : 4,
ctrl : 4);
unsigned char xxx3[6];
unsigned char address[3];
} track_info[1]; /* VARSIZE */
} nec_toc_data_t;
#define SCSI_CMD_NEC_SEEK_TRK 0xd8
#define SCSI_CMD_NEC_PLAY_AUDIO 0xd9
#define SCSI_CMD_NEC_PAUSE 0xda
#define SCSI_CMD_NEC_EJECT 0xdc
#define SCSI_CMD_NEC_READ_SUBCH_Q 0xdd
typedef struct {
unsigned char audio_status; /* see decode_status_1 */
BITFIELD_2(unsigned char,
ctrl : 4,
xxx1 : 4);
unsigned char trackno;
unsigned char indexno;
unsigned char relative_address[3];
unsigned char absolute_address[3];
} nec_subch_data_t;
/*
* Reserved bits in byte1
*/
#define NEC_LR_PLAY_MODE 0x01 /* RelAdr bit overload */
#define NEC_LR_STEREO 0x02 /* mono/stereo */
/*
* Vendor specific bits in the control byte.
* NEC uses them to specify the addressing mode
*/
#define NEC_CTRL_A_ABS 0x00 /* XXX not sure about this */
#define NEC_CTRL_A_MSF 0x40 /* min/sec/frame */
#define NEC_CTRL_A_TI 0x80 /* track/index */
#define NEC_CTRL_A_CURRENT 0xc0 /* same as last specified */
private scsi_ret_t
nec_eject(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_NEC_EJECT;
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
private scsi_ret_t
nec_subchannel(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
nec_subch_data_t *st;
char *buf = tgt->dev_info.cdrom.result;
scsi_ret_t rc;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_NEC_READ_SUBCH_Q;
c.scsi_cmd_lun_and_relbit = sizeof(*st); /* Sic! */
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(*st), ior);
if (rc != SCSI_RET_SUCCESS) return rc;
st = (nec_subch_data_t *) tgt->cmd_ptr;
/* Status or Position ? */
if (cmd[4] == 'S') {
decode_status_1( buf, st->audio_status);
} else {
/* XXX can it do ABS addressing e.g. 'logical' ? */
sprintf(buf, "MSF Position %d %d %d %d %d %d",
(integer_t)bcd_to_decimal(st->absolute_address[0]), /* min */
(integer_t)bcd_to_decimal(st->absolute_address[1]), /* sec */
(integer_t)bcd_to_decimal(st->absolute_address[2]), /* frm */
(integer_t)bcd_to_decimal(st->relative_address[0]), /* min */
(integer_t)bcd_to_decimal(st->relative_address[1]), /* sec */
(integer_t)bcd_to_decimal(st->relative_address[2])); /* frm */
}
tgt->dev_info.cdrom.result_available = TRUE;
return SCSI_RET_SUCCESS;
}
private scsi_ret_t
nec_read_toc(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
nec_toc_data_t *t;
char *buf = tgt->dev_info.cdrom.result;
scsi_ret_t rc;
int first, last, i;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_NEC_READ_TOC;
c.scsi_cmd_lun_and_relbit = NEC_LR_PLAY_MODE|NEC_LR_STEREO;
rc = cdrom_vendor_specific(tgt, &c, 0, 0, 512/*XXX*/, ior);
if (rc != SCSI_RET_SUCCESS) return rc;
t = (nec_toc_data_t *) tgt->cmd_ptr;
first = bcd_to_decimal(t->first_track);
last = bcd_to_decimal(t->last_track);
/*
* "Get TH" wants summary, "TOC MSF|ABS from_track" wants all
*/
if (cmd[0] == 'G') {
sprintf(buf, "toc header: %d %d %d",
sizeof(*t) + sizeof(t->track_info) * (last - first - 1),
first, last);
goto out;
}
/*
* The whole shebang
*/
sscanf(&cmd[8], "%d", &i);
sprintf(buf, "TOC from track %d:\n", i);
last -= first;
i -= first;
while ((i >= 0) && (i <= last)) {
buf += strlen(buf);
if (cmd[4] == 'M')
sprintf(buf, "%d %d %d %d %d %d\n",
t->track_info[i].ctrl,
t->track_info[i].adr,
first + i,
bcd_to_decimal(t->track_info[i].address[0]),
bcd_to_decimal(t->track_info[i].address[1]),
bcd_to_decimal(t->track_info[i].address[2]));
else
/* THIS IS WRONG */
sprintf(buf, "%d %d %d %d\n",
t->track_info[i].ctrl,
t->track_info[i].adr,
first + i,
bcd_to_decimal(t->track_info[i].address[0]) * 10000 +
bcd_to_decimal(t->track_info[i].address[1]) * 100 +
bcd_to_decimal(t->track_info[i].address[2]));
i++;
}
/* To know how long the last track is */
buf += strlen(buf);
if (cmd[4] == 'M')
sprintf(buf, "%d %d %d %d %d %d\n",
0, 1, 0xaa /* User expects this */,
bcd_to_decimal(t->lead_out_addr[0]),
bcd_to_decimal(t->lead_out_addr[1]),
bcd_to_decimal(t->lead_out_addr[2]));
else
/* THIS IS WRONG */
sprintf(buf, "%d %d %d %d\n",
0, 1, 0xaa /* User expects this */,
bcd_to_decimal(t->lead_out_addr[0]) * 10000 +
bcd_to_decimal(t->lead_out_addr[1]) * 100 +
bcd_to_decimal(t->lead_out_addr[2]));
out:
tgt->dev_info.cdrom.result_available = TRUE;
return SCSI_RET_SUCCESS;
}
private scsi_ret_t
nec_play(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
int sm, ss, sf, em, es, ef;
int st, si, et, ei;
scsi_ret_t rc;
/*
* Seek to desired position
*/
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_NEC_SEEK_TRK;
c.scsi_cmd_lun_and_relbit = NEC_LR_PLAY_MODE;
/*
* Play_msf or Play_ti
*/
if (cmd[5] == 'A') {
/* "Play A startM startS startF endM endS endF" */
sscanf(&cmd[7], "%d %d %d %d %d %d",
&sm, &ss, &sf, &em, &es, &ef);
c.scsi_cmd_lba1 = decimal_to_bcd(sm);
c.scsi_cmd_lba2 = decimal_to_bcd(ss);
c.scsi_cmd_lba3 = decimal_to_bcd(sf);
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_MSF;
} else {
/* "Play TI startT startI endT endI" */
sscanf(&cmd[8], "%d %d %d %d", &st, &si, &et, &ei);
c.scsi_cmd_lba1 = decimal_to_bcd(st);
c.scsi_cmd_lba2 = decimal_to_bcd(si);
c.scsi_cmd_lba3 = 0;
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_TI;
}
rc = cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
if (rc != SCSI_RET_SUCCESS) return rc;
/*
* Now ask it to play until..
*/
zero_ior( ior );
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_NEC_PLAY_AUDIO;
c.scsi_cmd_lun_and_relbit = NEC_LR_PLAY_MODE|NEC_LR_STEREO;
if (cmd[5] == 'A') {
c.scsi_cmd_lba1 = decimal_to_bcd(em);
c.scsi_cmd_lba2 = decimal_to_bcd(es);
c.scsi_cmd_lba3 = decimal_to_bcd(ef);
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_MSF;
} else {
c.scsi_cmd_lba1 = decimal_to_bcd(et);
c.scsi_cmd_lba2 = decimal_to_bcd(ei);
c.scsi_cmd_lba3 = 0;
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_TI;
}
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
private scsi_ret_t
nec_pause_resume(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
bzero(&c, sizeof(c));
/*
* "Resume" or "Stop"
*/
if (cmd[0] == 'R') {
c.scsi_cmd_code = SCSI_CMD_NEC_PLAY_AUDIO;
c.scsi_cmd_lun_and_relbit = NEC_LR_PLAY_MODE|NEC_LR_STEREO;
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_CURRENT;
} else {
c.scsi_cmd_code = SCSI_CMD_NEC_PAUSE;
}
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
/* TOSHIBA CD-ROM DRIVE:XM 3232 */
#define SCSI_CMD_TOSHIBA_SEEK_TRK 0xc0
#define SCSI_CMD_TOSHIBA_PLAY_AUDIO 0xc1
#define SCSI_CMD_TOSHIBA_PAUSE_AUDIO 0xc2
#define SCSI_CMD_TOSHIBA_EJECT 0xc4
#define SCSI_CMD_TOSHIBA_READ_SUBCH_Q 0xc6
typedef nec_subch_data_t toshiba_subch_data_t;
/* audio status -> decode_status_1 */
#define SCSI_CMD_TOSHIBA_READ_TOC_ENTRY 0xc7
typedef struct {
unsigned char first_track;
unsigned char last_track;
unsigned char xxx[2];
} toshiba_toc_header_t;
typedef struct {
unsigned char address[4];
} toshiba_toc_data_t;
private scsi_ret_t
toshiba_eject(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_EJECT;
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
private scsi_ret_t
toshiba_subchannel(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
toshiba_subch_data_t *st;
char *buf = tgt->dev_info.cdrom.result;
scsi_ret_t rc;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_READ_SUBCH_Q;
c.scsi_cmd_lun_and_relbit = sizeof(*st); /* Sic! */
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(*st), ior);
if (rc != SCSI_RET_SUCCESS) return rc;
st = (toshiba_subch_data_t *) tgt->cmd_ptr;
/* Status or Position ? */
if (cmd[4] == 'S') {
decode_status_1( buf, st->audio_status);
} else {
/* XXX can it do ABS addressing e.g. 'logical' ? */
sprintf(buf, "MSF Position %d %d %d %d %d %d",
(integer_t)bcd_to_decimal(st->absolute_address[0]), /* min */
(integer_t)bcd_to_decimal(st->absolute_address[1]), /* sec */
(integer_t)bcd_to_decimal(st->absolute_address[2]), /* frm */
(integer_t)bcd_to_decimal(st->relative_address[0]), /* min */
(integer_t)bcd_to_decimal(st->relative_address[1]), /* sec */
(integer_t)bcd_to_decimal(st->relative_address[2])); /* frm */
}
tgt->dev_info.cdrom.result_available = TRUE;
return SCSI_RET_SUCCESS;
}
private scsi_ret_t
toshiba_read_toc(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
toshiba_toc_data_t *t;
toshiba_toc_header_t *th;
char *buf = tgt->dev_info.cdrom.result;
scsi_ret_t rc;
int first, last, i;
/* TOC header first */
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_READ_TOC_ENTRY;
c.scsi_cmd_lun_and_relbit = 0;
c.scsi_cmd_lba1 = 0;
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(*th), ior);
if (rc != SCSI_RET_SUCCESS) return rc;
th = (toshiba_toc_header_t *) tgt->cmd_ptr;
first = bcd_to_decimal(th->first_track);
last = bcd_to_decimal(th->last_track);
/*
* "Get TH" wants summary, "TOC MSF|ABS from_track" wants all
*/
if (cmd[0] == 'G') {
sprintf(buf, "toc header: %d %d %d",
sizeof(*th) + sizeof(*t) * (last - first + 1),
first, last);
goto out;
}
/*
* The whole shebang
*/
sscanf(&cmd[8], "%d", &i);
sprintf(buf, "TOC from track %d:\n", i);
while (i <= last) {
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_READ_TOC_ENTRY;
c.scsi_cmd_lun_and_relbit = 2;
c.scsi_cmd_lba1 = decimal_to_bcd(i);
zero_ior( ior );
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(*t), ior);
if (rc != SCSI_RET_SUCCESS) break;
t = (toshiba_toc_data_t *) tgt->cmd_ptr;
buf += strlen(buf);
if (cmd[4] == 'M')
sprintf(buf, "0 0 %d %d %d %d\n",
i,
bcd_to_decimal(t->address[0]),
bcd_to_decimal(t->address[1]),
bcd_to_decimal(t->address[2]));
else
/* THIS IS WRONG */
sprintf(buf, "0 0 %d %d\n",
i,
bcd_to_decimal(t->address[0]) * 10000 +
bcd_to_decimal(t->address[1]) * 100 +
bcd_to_decimal(t->address[2]));
i++;
}
/* Must simulate the lead-out track */
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_READ_TOC_ENTRY;
c.scsi_cmd_lun_and_relbit = 1;
c.scsi_cmd_lba1 = 0;
zero_ior( ior );
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(*t), ior);
if (rc != SCSI_RET_SUCCESS) goto out;
t = (toshiba_toc_data_t *) tgt->cmd_ptr;
buf += strlen(buf);
if (cmd[4] == 'M')
sprintf(buf, "0 0 %d %d %d %d\n",
i,
bcd_to_decimal(t->address[0]),
bcd_to_decimal(t->address[1]),
bcd_to_decimal(t->address[2]));
else
/* THIS IS WRONG */
sprintf(buf, "0 0 %d %d\n",
i,
bcd_to_decimal(t->address[0]) * 10000 +
bcd_to_decimal(t->address[1]) * 100 +
bcd_to_decimal(t->address[2]));
i++;
out:
tgt->dev_info.cdrom.result_available = TRUE;
return SCSI_RET_SUCCESS;
}
private scsi_ret_t
toshiba_play(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
int sm, ss, sf, em, es, ef;
int st, si, et, ei;
scsi_ret_t rc;
/*
* Seek to desired position
*/
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_SEEK_TRK;
/*
* Play_msf or Play_ti
*/
if (cmd[5] == 'A') {
/* "Play A startM startS startF endM endS endF" */
sscanf(&cmd[7], "%d %d %d %d %d %d",
&sm, &ss, &sf, &em, &es, &ef);
c.scsi_cmd_lba1 = decimal_to_bcd(sm);
c.scsi_cmd_lba2 = decimal_to_bcd(ss);
c.scsi_cmd_lba3 = decimal_to_bcd(sf);
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_MSF;
} else {
/* "Play TI startT startI endT endI" */
sscanf(&cmd[8], "%d %d %d %d", &st, &si, &et, &ei);
c.scsi_cmd_lba1 = decimal_to_bcd(st);
c.scsi_cmd_lba2 = decimal_to_bcd(si);
c.scsi_cmd_lba3 = 0;
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_TI;
}
rc = cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
if (rc != SCSI_RET_SUCCESS) return rc;
/*
* Now ask it to play until..
*/
zero_ior( ior );
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_PLAY_AUDIO;
c.scsi_cmd_lun_and_relbit = NEC_LR_PLAY_MODE|NEC_LR_STEREO;
if (cmd[5] == 'A') {
c.scsi_cmd_lba1 = decimal_to_bcd(em);
c.scsi_cmd_lba2 = decimal_to_bcd(es);
c.scsi_cmd_lba3 = decimal_to_bcd(ef);
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_MSF;
} else {
c.scsi_cmd_lba1 = decimal_to_bcd(et);
c.scsi_cmd_lba2 = decimal_to_bcd(ei);
c.scsi_cmd_lba3 = 0;
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_TI;
}
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
private scsi_ret_t
toshiba_pause_resume(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
bzero(&c, sizeof(c));
/*
* "Resume" or "Stop"
*/
if (cmd[0] == 'R') {
/* ???? would have to remember last cmd ???? */
/* broken ! */
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_PLAY_AUDIO;
c.scsi_cmd_lun_and_relbit = NEC_LR_PLAY_MODE|NEC_LR_STEREO;
c.scsi_cmd_ctrl_byte = NEC_CTRL_A_CURRENT;
} else {
c.scsi_cmd_code = SCSI_CMD_TOSHIBA_PAUSE_AUDIO;
}
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
#if 0
/* I have info on these drives, but no drive to test */
/* PIONEER DRM-600 */
#define SCSI_CMD_PIONEER_EJECT 0xc0
#define SCSI_CMD_PIONEER_READ_TOC 0xc1
typedef struct {
unsigned char first_track;
unsigned char last_track;
unsigned char xxx[2];
} pioneer_toc_hdr_t;
typedef struct {
unsigned char ctrl;
unsigned char address[3];
} pioneer_toc_info_t;
#define SCSI_CMD_PIONEER_READ_SUBCH 0xc2
typedef struct {
BITFIELD_2(unsigned char,
ctrl : 4,
xxx1 : 4);
unsigned char trackno;
unsigned char indexno;
unsigned char relative_address[3];
unsigned char absolute_address[3];
} pioneer_subch_data_t;
#define SCSI_CMD_PIONEER_SEEK_TRK 0xc8
#define SCSI_CMD_PIONEER_PLAY_AUDIO 0xc9
#define SCSI_CMD_PIONEER_PAUSE 0xca
#define SCSI_CMD_PIONEER_AUDIO_STATUS 0xcc
typedef struct {
unsigned char audio_status;
unsigned char xxx[5];
} pioneer_status_t;
/*
* Reserved bits in byte1
*/
#define PIONEER_LR_END_ADDR 0x10
#define PIONEER_LR_PAUSE 0x10
#define PIONEER_LR_RESUME 0x00
/*
* Vendor specific bits in the control byte.
*/
#define PIONEER_CTRL_TH 0x00 /* TOC header */
#define PIONEER_CTRL_TE 0x80 /* one TOC entry */
#define PIONEER_CTRL_LO 0x40 /* lead-out track info */
#define PIONEER_CTRL_A_MSF 0x40 /* min/sec/frame addr */
private scsi_ret_t
pioneer_eject(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_EJECT;
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
private scsi_ret_t
pioneer_position(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
scsi_ret_t rc;
char *buf = tgt->dev_info.cdrom.result;
pioneer_subch_data_t *st;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_READ_SUBCH;
c.scsi_cmd_xfer_len_2 = sizeof(pioneer_subch_data_t); /* 9 bytes */
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(pioneer_subch_data_t), ior);
if (rc != SCSI_RET_SUCCESS) return rc;
st = (pioneer_subch_data_t *) tgt->cmd_ptr;
/* XXX can it do ABS addressing e.g. 'logical' ? */
sprintf(buf, "MSF Position %d %d %d %d %d %d",
(integer_t)bcd_to_decimal(st->absolute_address[0]), /* min */
(integer_t)bcd_to_decimal(st->absolute_address[1]), /* sec */
(integer_t)bcd_to_decimal(st->absolute_address[2]), /* frm */
(integer_t)bcd_to_decimal(st->relative_address[0]), /* min */
(integer_t)bcd_to_decimal(st->relative_address[1]), /* sec */
(integer_t)bcd_to_decimal(st->relative_address[2])); /* frm */
tgt->dev_info.cdrom.result_available = TRUE;
return SCSI_RET_SUCCESS;
}
private scsi_ret_t
pioneer_toc(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
pioneer_toc_hdr_t *th;
pioneer_toc_info_t *t;
char *buf = tgt->dev_info.cdrom.result;
scsi_ret_t rc;
int first, last, i;
/* Read header first */
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_READ_TOC;
c.scsi_cmd_xfer_len_2 = sizeof(pioneer_toc_hdr_t);
c.scsi_cmd_ctrl_byte = PIONEER_CTRL_TH;
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(pioneer_toc_hdr_t), ior);
if (rc != SCSI_RET_SUCCESS) return rc;
th = (pioneer_toc_hdr_t *)tgt->cmd_ptr;
first = bcd_to_decimal(th->first_track);
last = bcd_to_decimal(th->last_track);
/*
* "Get TH" wants summary, "TOC MSF|ABS from_track" wants all
*/
if (cmd[0] == 'G') {
sprintf(buf, "toc header: %d %d %d", 0, first, last);
goto out;
}
/*
* Must do it one track at a time
*/
sscanf(&cmd[8], "%d", &i);
sprintf(buf, "TOC from track %d:\n", i);
for ( ; i <= last; i++) {
zero_ior(ior);
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_READ_TOC;
c.scsi_cmd_lba4 = decimal_to_bcd(i);
c.scsi_cmd_xfer_len_2 = sizeof(pioneer_toc_info_t);
c.scsi_cmd_ctrl_byte = PIONEER_CTRL_TE;
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(pioneer_toc_info_t), ior);
if (rc != SCSI_RET_SUCCESS) break;
t = (pioneer_toc_info_t *)tgt->cmd_ptr;
buf += strlen(buf);
if (cmd[4] == 'M')
sprintf(buf, "%d %d %d %d %d %d\n",
t->ctrl, 0, i,
bcd_to_decimal(t->address[0]),
bcd_to_decimal(t->address[1]),
bcd_to_decimal(t->address[2]));
else
/* THIS IS WRONG */
sprintf(buf, "%d %d %d %d\n",
t->ctrl, 0, i,
bcd_to_decimal(t->address[0]) * 10000 +
bcd_to_decimal(t->address[1]) * 100 +
bcd_to_decimal(t->address[2]));
}
/* To know how long the last track is */
zero_ior(ior);
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_READ_TOC;
c.scsi_cmd_xfer_len_2 = sizeof(pioneer_toc_info_t);
c.scsi_cmd_ctrl_byte = PIONEER_CTRL_LO;
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(pioneer_toc_info_t), ior);
if (rc != SCSI_RET_SUCCESS) return rc;
buf += strlen(buf);
t = (pioneer_toc_info_t *)tgt->cmd_ptr;
if (cmd[4] == 'M')
sprintf(buf, "%d %d %d %d %d %d\n",
t->ctrl, 0, 0xaa /* User expects this */,
bcd_to_decimal(t->address[0]),
bcd_to_decimal(t->address[1]),
bcd_to_decimal(t->address[2]));
else
/* THIS IS WRONG */
sprintf(buf, "%d %d %d %d\n",
t->ctrl, 0, 0xaa /* User expects this */,
bcd_to_decimal(t->address[0]) * 10000 +
bcd_to_decimal(t->address[1]) * 100 +
bcd_to_decimal(t->address[2]));
out:
tgt->dev_info.cdrom.result_available = TRUE;
return SCSI_RET_SUCCESS;
}
private scsi_ret_t
pioneer_status(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
pioneer_status_t *st;
char *buf = tgt->dev_info.cdrom.result;
scsi_ret_t rc;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_AUDIO_STATUS;
c.scsi_cmd_xfer_len_2 = sizeof(pioneer_status_t); /* 6 bytes */
rc = cdrom_vendor_specific(tgt, &c, 0, 0, sizeof(pioneer_status_t), ior);
if (rc != SCSI_RET_SUCCESS) return rc;
st = (pioneer_status_t*) tgt->cmd_ptr;
decode_status_1( buf, st->audio_status);
tgt->dev_info.cdrom.result_available = TRUE;
return SCSI_RET_SUCCESS;
}
private scsi_ret_t
pioneer_play(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
int sm, ss, sf, em, es, ef;
int st, si, et, ei;
scsi_ret_t rc;
/*
* Seek to desired position
*/
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_SEEK_TRK;
/*
* Play_msf or Play_ti
*/
if (cmd[5] == 'A') {
/* "Play A startM startS startF endM endS endF" */
sscanf(&cmd[7], "%d %d %d %d %d %d",
&sm, &ss, &sf, &em, &es, &ef);
c.scsi_cmd_lba2 = decimal_to_bcd(sm);
c.scsi_cmd_lba3 = decimal_to_bcd(ss);
c.scsi_cmd_lba4 = decimal_to_bcd(sf);
c.scsi_cmd_ctrl_byte = PIONEER_CTRL_A_MSF;
} else {
/* "Play TI startT startI endT endI" */
sscanf(&cmd[8], "%d %d %d %d", &st, &si, &et, &ei);
c.scsi_cmd_lba3 = decimal_to_bcd(st);
c.scsi_cmd_lba4 = decimal_to_bcd(si);
c.scsi_cmd_ctrl_byte = 0x80; /* Pure speculation!! */
}
rc = cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
if (rc != SCSI_RET_SUCCESS) return rc;
/*
* Now ask it to play until..
*/
zero_ior( ior );
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_PLAY_AUDIO;
c.scsi_cmd_lun_and_relbit = PIONEER_LR_END_ADDR;
if (cmd[5] == 'A') {
c.scsi_cmd_lba2 = decimal_to_bcd(em);
c.scsi_cmd_lba3 = decimal_to_bcd(es);
c.scsi_cmd_lba4 = decimal_to_bcd(ef);
c.scsi_cmd_ctrl_byte = PIONEER_CTRL_A_MSF;
} else {
c.scsi_cmd_lba3 = decimal_to_bcd(et);
c.scsi_cmd_lba4 = decimal_to_bcd(ei);
c.scsi_cmd_ctrl_byte = 0x80; /* Pure speculation! */
}
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
private scsi_ret_t
pioneer_pause_resume(
target_info_t *tgt,
char *cmd,
io_req_t ior)
{
scsi_command_group_2 c;
bzero(&c, sizeof(c));
c.scsi_cmd_code = SCSI_CMD_PIONEER_PAUSE;
/*
* "Resume" or "Stop"
*/
if (cmd[0] == 'S')
c.scsi_cmd_lun_and_relbit = PIONEER_LR_PAUSE;
else
c.scsi_cmd_lun_and_relbit = PIONEER_LR_RESUME;
return cdrom_vendor_specific(tgt, &c, 0, 0, 0, ior);
}
/* DENON DRD-253 */
#define SCSI_CMD_DENON_PLAY_AUDIO 0x22
#define SCSI_CMD_DENON_EJECT 0xe6
#define SCSI_CMD_DENON_PAUSE_AUDIO 0xe7
#define SCSI_CMD_DENON_READ_TOC 0xe9
#define SCSI_CMD_DENON_READ_SUBCH 0xeb
/* HITACHI 1750 */
#define SCSI_CMD_HITACHI_PLAY_AUDIO_MSF 0xe0
#define SCSI_CMD_HITACHI_PAUSE_AUDIO 0xe1
#define SCSI_CMD_HITACHI_EJECT 0xe4
#define SCSI_CMD_HITACHI_READ_SUBCH 0xe5
#define SCSI_CMD_HITACHI_READ_TOC 0xe8
#endif
/*
* Tabulate all of the above
*/
private red_list_t cdrom_exceptions[] = {
#if 0
For documentation purposes, here are some SCSI-2 compliant drives:
Vendor Product Rev Comments
"SONY " "CD-ROMCDU-541 " "2.6a" The NeXT drive
#endif
/* vendor, product, rev */
/* can_play_audio */
/* eject */
/* current_position */
/* read_toc */
/* get_status */
/* play_msf */
/* play_ti */
/* pause_resume */
/* volume_control */
/* We have seen a "RRD42(C)DEC " "4.5d" */
{ "DEC ", "RRD42", "",
0, 0, 0, 0, 0, 0, 0, 0, rrd42_set_volume },
/* We have seen a "CD-ROM DRIVE:84 " "1.0 " */
{ "NEC ", "CD-ROM DRIVE:84", "",
op_not_supported, nec_eject, nec_subchannel, nec_read_toc,
nec_subchannel, nec_play, nec_play, nec_pause_resume,
op_not_supported },
/* We have seen a "CD-ROM DRIVE:XM " "3232" */
{ "TOSHIBA ", "CD-ROM DRIVE:XM", "32",
op_not_supported, toshiba_eject, toshiba_subchannel, toshiba_read_toc,
toshiba_subchannel, toshiba_play, toshiba_play, toshiba_pause_resume,
op_not_supported },
{ "TOSHIBA ", "CD-ROM DRIVE:XM", "33",
op_not_supported, toshiba_eject, toshiba_subchannel, toshiba_read_toc,
toshiba_subchannel, toshiba_play, toshiba_play, toshiba_pause_resume,
op_not_supported },
#if 0
{ "PIONEER ", "???????DRM-6", "",
op_not_supported, pioneer_eject, pioneer_position, pioneer_toc,
pioneer_status, pioneer_play, pioneer_play, pioneer_pause_resume,
op_not_supported },
{ "DENON ", "DRD 25X", "", ...},
{ "HITACHI ", "CDR 1750S", "", ...},
{ "HITACHI ", "CDR 1650S", "", ...},
{ "HITACHI ", "CDR 3650", "", ...},
#endif
/* Zero terminate this list */
{ 0, }
};
private void
check_red_list(
target_info_t *tgt,
scsi2_inquiry_data_t *inq)
{
red_list_t *list;
for (list = &cdrom_exceptions[0]; list->vendor; list++) {
/*
* Prefix-Match all strings
*/
if ((strncmp(list->vendor, (const char *)inq->vendor_id,
strlen(list->vendor)) == 0) &&
(strncmp(list->product, (const char *)inq->product_id,
strlen(list->product)) == 0) &&
(strncmp(list->rev, (const char *)inq->product_rev,
strlen(list->rev)) == 0)) {
/*
* One of them..
*/
if (tgt->dev_info.cdrom.violates_standards != list) {
tgt->dev_info.cdrom.violates_standards = list;
curse_the_vendor( list, TRUE );
}
return;
}
}
}
#endif /* NSCSI > 0 */
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