[919] in linux-scsi channel archive
adding Nakamachi NRC-MBR7 cdrom to 1.2.13 scsi
daemon@ATHENA.MIT.EDU (Michael Robinton)
Tue Nov 12 16:44:00 1996
From: "Michael Robinton" <petals@girlswear.com>
To: linux-scsi@vger.rutgers.edu, support@nakamichiusa.com
Date: Tue, 12 Nov 1996 12:12:01 +0000
Reply-to: petals@girlswear.com
With help from Gerd Knorr and the folks at Nakamichi
the following patch allows SONY and NAKAMICHI cdrom drives to
be added to 1.2.13 scsi driver
It turns out that the code in 1.3.10 for SONY is identical to that
required for Nakamichi
probably works for other versions as well
Michael
# -------------------- sr.c ---------------------------
455,479d454
< case SCSI_MAN_SONY: /* Thomas QUINOT <thomas@melchior.frmug.fr.net> */
< case SCSI_MAN_UNKNOWN: /* most others use SONY's method */
< #ifdef DEBUG
< printk("sr_photocd: use SONY code\n");
< #endif
< memset(buf,0,40);
< *((unsigned long*)buf) = 0x0; /* we send nothing... */
< *((unsigned long*)buf+1) = 0x0c; /* and receive 0x0c bytes */
< cmd[0] = 0x43; /* Read TOC */
< cmd[8] = 0x0c;
< cmd[9] = 0x40;
< rc = kernel_scsi_ioctl(scsi_CDs[MINOR(inode->i_rdev)].device,
< SCSI_IOCTL_SEND_COMMAND, buf);
< if ((rc != 0) || ((rec[0] << 8) + rec[1] != 0x0a)) {
< printk("sr_photocd: ioctl error (SONY): 0x%x\n",rc);
< break;
< }
< sector = rec[11] + (rec[10] << 8) + (rec[9] << 16) + (rec[8] << 24);
< is_xa = !!sector;
< #ifdef DEBUG
< if (sector)
< printk ("sr_photocd: multisession CD detected. start: %lu\n",sector);
< #endif
< break;
<
481c456
< /* case SCSI_MAN_UNKNOWN: */
---
> case SCSI_MAN_UNKNOWN:
# ----------- scsi.h -------------------
285d284
< #define SCSI_MAN_SONY 4
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