diff options
Diffstat (limited to 'include/linux/cdrom.h')
| -rw-r--r-- | include/linux/cdrom.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h index c6d3e22c0624..a5cd2047624e 100644 --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -451,6 +451,7 @@ struct cdrom_generic_command #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e #define GPCMD_READ_10 0x28 #define GPCMD_READ_12 0xa8 +#define GPCMD_READ_BUFFER 0x3c #define GPCMD_READ_BUFFER_CAPACITY 0x5c #define GPCMD_READ_CDVD_CAPACITY 0x25 #define GPCMD_READ_CD 0xbe @@ -480,7 +481,9 @@ struct cdrom_generic_command #define GPCMD_TEST_UNIT_READY 0x00 #define GPCMD_VERIFY_10 0x2f #define GPCMD_WRITE_10 0x2a +#define GPCMD_WRITE_12 0xaa #define GPCMD_WRITE_AND_VERIFY_10 0x2e +#define GPCMD_WRITE_BUFFER 0x3b /* This is listed as optional in ATAPI 2.6, but is (curiously) * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji * Table 377 as an MMC command for SCSi devices though... Most ATAPI @@ -1184,6 +1187,20 @@ struct media_event_desc { extern int cdrom_get_media_event(struct cdrom_device_info *cdi, struct media_event_desc *med); +static inline void lba_to_msf(int lba, u8 *m, u8 *s, u8 *f) +{ + lba += CD_MSF_OFFSET; + lba &= 0xffffff; /* negative lbas use only 24 bits */ + *m = lba / (CD_SECS * CD_FRAMES); + lba %= (CD_SECS * CD_FRAMES); + *s = lba / CD_FRAMES; + *f = lba % CD_FRAMES; +} + +static inline int msf_to_lba(u8 m, u8 s, u8 f) +{ + return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET; +} #endif /* End of kernel only stuff */ #endif /* _LINUX_CDROM_H */ |
