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Add generic mode_sense(), add cdio_have_atapi() and use these.

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API number bumped
Add bool_3way_t (yes, nope, dunno)
This commit is contained in:
rocky
2005-02-10 01:59:05 +00:00
parent 43e8856bfa
commit 8296df8b3d
9 changed files with 168 additions and 43 deletions
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80
lib/driver/device.c
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@@ -1,5 +1,5 @@
/*
$Id: device.c,v 1.9 2005/02/06 11:13:37 rocky Exp $
$Id: device.c,v 1.10 2005/02/10 01:59:06 rocky Exp $
Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
@@ -37,6 +37,14 @@
#include <string.h>
#endif
/* This probably will get moved to driver code, i.e _cdio_linux.c */
#ifdef HAVE_LINUX_MAJOR_H
#include <linux/major.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
/* The below array gives of the drivers that are currently available for
on a particular host. */
@@ -583,6 +591,76 @@ cdio_get_media_changed(CdIo_t *p_cdio)
return DRIVER_OP_UNSUPPORTED;
}
bool_3way_t
cdio_have_atapi(CdIo_t *p_cdio)
{
bool_3way_t i_status;
if (!p_cdio) return nope;
i_status = mmc_have_interface(p_cdio, CDIO_MMC_FEATURE_INTERFACE_ATAPI);
if (dunno != i_status) return i_status;
{
/* cdparanoia seems to think that if we have a mode sense command
we have an atapi drive or is atapi compatible.
*/
uint8_t buf[22];
if (DRIVER_OP_SUCCESS == mmc_mode_sense(p_cdio, buf, sizeof(buf),
CDIO_MMC_CAPABILITIES_PAGE) ) {
uint8_t *b = buf;
b+=b[3]+4;
if( CDIO_MMC_CAPABILITIES_PAGE == (b[0]&0x3F) ) {
/* MMC style drive! */
return yep;
}
}
}
/* Put these in the various drivers? If we get more, yes!
*/
#ifdef HAVE_LINUX_MAJOR_H
{
/* This too is from cdparanoia. */
struct stat st;
generic_img_private_t *p_env = p_cdio->env;
if ( 0 == lstat(p_env->source_name, &st) ) {
if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) {
int drive_type=(int)(st.st_rdev>>8);
switch (drive_type) {
case IDE0_MAJOR:
case IDE1_MAJOR:
case IDE2_MAJOR:
case IDE3_MAJOR:
/* Yay, ATAPI... */
return yep;
break;
case CDU31A_CDROM_MAJOR:
case CDU535_CDROM_MAJOR:
case MATSUSHITA_CDROM_MAJOR:
case MATSUSHITA_CDROM2_MAJOR:
case MATSUSHITA_CDROM3_MAJOR:
case MATSUSHITA_CDROM4_MAJOR:
case SANYO_CDROM_MAJOR:
case MITSUMI_CDROM_MAJOR:
case MITSUMI_X_CDROM_MAJOR:
case OPTICS_CDROM_MAJOR:
case AZTECH_CDROM_MAJOR:
case GOLDSTAR_CDROM_MAJOR:
case CM206_CDROM_MAJOR:
case SCSI_CDROM_MAJOR:
case SCSI_GENERIC_MAJOR:
return nope;
break;
default:
return dunno;
}
}
}
}
#endif /*HAVE_LINUX_MAJOR_H*/
return dunno;
}
bool
cdio_have_driver(driver_id_t driver_id)
{