Linus Torvalds <torvalds@xxxxxxxx> writes:
> On Sat, 29 Jul 2006, James Bottomley wrote:
> > There are certain CDs that just require vendor specific magic to
> > work ... even cdrecord has no choice but to do this.
>
> IF that is actually true (and if you were told this by Joerg, I would
> double- and triple-check it from some other source), then in the end you
> do end up having to have a per-device translation table, and it probably
> shouldn't be in the kernel.
Joerg is correct about this. I just went through the cdrecord sources
(from Fedora Core 5 with a DVD patch) and took a quick look at what
commands and mode pages were used by the different files. I've
probably missed a few things, but this ought to give you and idea
about what is needed to burn a CD:
drv_philips.c -- Philips/Yamaha/Ricoh/Plasmon
Commands:
0xE2 -- Philips First Writeable Address
0xE4 -- Philips Reserve Track
0xE6 -- Philips Write Track
0xE7 -- Philips Medium Load/Unload
0xE9 -- Philips Fixation
0xEC -- Philips Recover?
0xEE -- Philips Read Session Info
Mode pages:
0x21 -- Philips Write Track Info?
0x23 -- Philips speed select
0x31 -- Yamaha speed select
scsi_mmc.c - MMC-3
Commands:
0x46 -- MMC Get Configuration
drv_7501.c -- Masushita CW-7501
Commands:
0x01 - Rezero Unit
0xE2 -- Set Mode?
0xE3 -- Fixate/Finalize
0xE6 -- Write DAO
0xE7 -- Reserve Track
0xE9 -- Read Trackinfo
Mode pages:
0x20 -- Speed control
0x21 -- MCN?
0x22 -- ISRC
0x23 -- Dummy / Write information
0x24 -- CD-R Disk Information
scsi_cdr.c -- pre-MMC standard functions up to MMC-2
Commands:
0x00 -- Test Unit Ready
0x01 -- Rezero Unit
0x03 -- Request Sense
0x04 -- Format Unit
0x08 -- Read 6
0x0B -- Seek 6
0x0D -- Qic02 Sysgen SC4000?
0x0a -- Write 6
0x12 -- Inquiry
0x15 -- Mode Select 10
0x1B -- Start/Stop Unit
0x1E -- Prevent/Allow Medium Removal
0x1a -- Mode Sense 10
0x25 -- Read Capacity
0x28 -- Read 10
0x2B -- Seek 10
0x2a -- Write 10
0x35 -- Flush Cache
0x3B -- Write Buffer
0x3C -- Read Buffer
0x42 -- Read Subchannel
0x43 -- Read TOC
0x44 -- Read Header
0x51 -- Read Disk Info
0x52 -- Read Track Info
0x53 -- Reserve Track
0x54 -- Send OPC
0x55 -- Mode Select 10
0x59 -- Read Master Cue Sheet
0x5A -- Mode Sense 10
0x5B -- Close Track/Session
0x5C -- Read Buffer Cap(acity?)
0x5D -- Send Cue Sheet
0xA1 -- Blank Unit
0xA6 -- Medium Load/Unload
0xAA -- Write XG5?
0xAD -- Read DVD Structure
0xB6 -- Set Streaming?
0xBB -- Set CD Speed
0xBF -- Send DVD Structure
0xE5 -- Read Track Info Philips
Except for 0x0D and the last bunch these commands are probably pretty
generic for all CDROM drives.
drv_jvc.c -- JVR/TEAC
Commands:
0x2A -- Write 10
0xB3 -- Set Limits
0xC4 -- Read PMA
0xC7 -- Read Disk Info
0xE0 -- Buffer Inquiry
0xE1 -- Write PMA
0xE3 -- Freeze
0xE4 -- Clear Subcode
0xE6 -- Next Write Address
0xEC -- Optimize Power
0xEF -- Read Peak Buffer Capacity
Commands 0xC1, 0xC3, 0xC6, 0xCE, 0xCF and 0xDF are also in the
code but are never used.
Mode Pages:
0x00 -- Select Sector Size
0x21 -- Dummy Selection
0x31 -- Speed Selection
drv_mmc.c -- SCSI-3/mmc conforming drives
Commands:
0x3B -- Yamaha Write Buffer With Parameter
0xBB -- Yamaha Force Speed
0xE9 -- Plextor Drive Mode
0xEB -- Plextor Get Speed List
0xED -- Plextor Drive Mode 2
0xF5 -- Plextor Read BPC
Mode Pages:
0x05 -- CD/DVD Write Parameters, Speed Select
0x2A -- MMC mode page
0x30 -- Ricoh Mode Page (burn-free and read speed control)
0x31 -- Yamaha Tattoo Page
drv_sony.c -- Sony
Commands:
0xE0 -- Write Start
0xE1 -- Write Continue
0xE2 -- Discontinue
0xEC -- Read Buffer Capacity
0xF0 -- Close Track
0xF1 -- Finalize
0xF2 -- Flush
0xF3 -- Reserve Track
0xF5 -- Write Track
0xF6 -- Recover
0xF8 -- Set Write Parameter
Mode Pages:
0x20 -- Mastering Information
0x22 -- Disk Information
0x23 -- Track Information
0x31 -- Drive Speed
/Christer
--
"Just how much can I get away with and still go to heaven?"
Freelance consultant specializing in device driver programming for Linux
Christer Weinigel <christer@xxxxxxxxxxx> http://www.weinigel.se
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