Date: Sun, 28 Apr 2002 12:17:16 -0700 From: David Bushong <david@bushong.net> To: freebsd-scsi@freebsd.org Subject: Re: Olympus USB camera success with some kernel mods Message-ID: <20020428191716.GL26748@bushong.net> In-Reply-To: <200204281648.MAA94567@workhorse.fictitious.org> References: <200204281648.MAA94567@workhorse.fictitious.org>
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For reference, the Olympus "Camedia" D-100 works great without any mods.
(I mean you need all the right stuff in your kernel config, but no patching
needed).
--David Bushong
On Sun, Apr 28, 2002 at 12:48:51PM -0400, Curtis Villamizar wrote:
>
> FYI - this is just an informational message. Possible code to commit
> in scsi_da.c. See below.
>
> I just got an Olympus C700 working with the USB. I can mount the
> flash and copy the files off it. I haven't tried gphoto or anything
> else to control the camera.
>
> The normal way to use it is just copy off the *.jpg files that would
> appear in the dcim/100olymp/ directory (you'd see files there if I
> hadn't just copied them and erased them from this flash).
>
> [curtis@laptoy770 1] # mount -o ro -t msdos /dev/da0s1 /mnt
> [curtis@laptoy770 2] # ls -ltR /mnt
> total 8
> drwxr-xr-x 1 root wheel 8192 Apr 27 20:53 dcim/
>
> /mnt/dcim:
> total 8
> drwxr-xr-x 1 root wheel 8192 Apr 27 20:53 100olymp/
>
> /mnt/dcim/100olymp:
> [curtis@laptoy770 3] # ls -lR /mnt
> total 8
> drwxr-xr-x 1 root wheel 8192 Apr 27 20:53 dcim/
>
> /mnt/dcim:
> total 8
> drwxr-xr-x 1 root wheel 8192 Apr 27 20:53 100olymp/
>
> /mnt/dcim/100olymp:
> [curtis@laptoy770 4] # umount /mnt
>
> To make this work, the kernel needs:
>
> options MSDOSFS
>
> # SCSI peripherals
> device scbus # SCSI bus (required)
> device da # Direct Access (disks)
> device pass # Passthrough device (direct SCSI access)
>
> # USB support
> device uhci # UHCI PCI->USB interface
> device ohci # OHCI PCI->USB interface
> device usb # USB Bus (required)
> device ugen # Generic
> device umass # Disks/Mass storage - Requires scbus and da
>
> An edit has to be made to /sys/cam/scsi/scsi_da.c
>
> {
> /*
> * Olympus Cameras quirks
> */
> {T_DIRECT, SIP_MEDIA_REMOVABLE,
> "OLYMPUS*", "C-700*", "*"},
> /*quirks*/ DA_Q_NO_6_BYTE
> }
>
> I also added the following after the "match = cam_quirkmatch("
> statement providing a confirmation in dmesg output after reboot.
>
> printf("scsi quirks: %s - type %d med %s "
> "vend \"%s\" prod \"%s\" ver \"%s\"\n",
> match ? "match" : "none",
> SID_TYPE((&cgd->inq_data)),
> SID_IS_REMOVABLE((&cgd->inq_data)) ? "remov" : "fixed",
> cgd->inq_data.vendor, cgd->inq_data.product,
> cgd->inq_data.revision);
>
> The printf is useful if for some reason you aren't getting the string
> match right (if using a similar camera or USB/SCSI device).
>
> That was all it took. Manually run the following before the mount:
>
> usbdevs - make sure the camera is powered on and shows up
>
> camcontrol rescan 0 - detect the scsi device (I did this on my
> laptop but on a machine with scsi buses you'd get a higher number.
>
> camcontrol tur da0 - check for unit ready.
>
> If the unit doesn't indicate ready, chances are the DA_Q_NO_6_BYTE
> quirk is not in effect. Recheck the kernel changes.
>
> This might work with other Olympus USB only cameras. Probably would.
>
> Curtis
>
> ps - I haven't confirmed whether the camera is usable under an MS OS
> and I have no intention to do so.
>
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