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Add routine to report MMC capabilities of a drive. Add that to the

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cd-drive program.
This commit is contained in:
rocky
2005-04-30 09:42:37 +00:00
parent 5a515d9140
commit 929770f419
5 changed files with 82 additions and 6 deletions
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32
lib/driver/mmc.c
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@@ -1,6 +1,6 @@
/* Common Multimedia Command (MMC) routines.
$Id: mmc.c,v 1.25 2005/03/23 11:15:25 rocky Exp $
$Id: mmc.c,v 1.26 2005/04/30 09:42:37 rocky Exp $
Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -731,6 +731,36 @@ mmc_get_drive_cap (CdIo_t *p_cdio,
return;
}
/*!
Get the MMC level supported by the device.
*/
cdio_mmc_level_t
mmc_get_drive_mmc_cap(CdIo_t *p_cdio)
{
uint8_t buf[256] = { 0, };
uint8_t len;
int rc = mmc_mode_sense(p_cdio, buf, sizeof(buf),
CDIO_MMC_CAPABILITIES_PAGE);
if (DRIVER_OP_SUCCESS != rc) {
return CDIO_MMC_LEVEL_NONE;
}
len = buf[1];
if (16 > len) {
return CDIO_MMC_LEVEL_WEIRD;
} else if (28 <= len) {
return CDIO_MMC_LEVEL_3;
} else if (24 <= len) {
return CDIO_MMC_LEVEL_2;
printf("MMC 2");
} else if (20 <= len) {
return CDIO_MMC_LEVEL_1;
} else {
return CDIO_MMC_LEVEL_WEIRD;
}
}
/*!
Get the DVD type associated with cd object.
*/