1 files changed, 52 insertions, 0 deletions

diff --git a/drivers/cdrom/optcd.h b/drivers/cdrom/optcd.h
new file mode 100644
index 000000000000..1911bb92ee28
--- /dev/null
+++ b/drivers/cdrom/optcd.h
@@ -0,0 +1,52 @@
+/*      linux/include/linux/optcd.h - Optics Storage 8000 AT CDROM driver
+        $Id: optcd.h,v 1.2 1996/01/15 18:43:44 root Exp root $
+
+        Copyright (C) 1995 Leo Spiekman (spiekman@dutette.et.tudelft.nl)
+
+
+        Configuration file for linux/drivers/cdrom/optcd.c
+*/
+
+#ifndef _LINUX_OPTCD_H
+#define _LINUX_OPTCD_H
+
+
+/* I/O base of drive. Drive uses base to base+2.
+   This setting can be overridden with the kernel or insmod command
+   line option 'optcd=<portbase>'. Use address of 0 to disable driver. */
+#define OPTCD_PORTBASE  0x340
+
+
+/* enable / disable parts of driver by define / undef */
+#define MULTISESSION            /* multisession support (ALPHA) */
+
+
+/* Change 0 to 1 to debug various parts of the driver */
+#define DEBUG_DRIVE_IF  0       /* Low level drive interface */
+#define DEBUG_CONV      0       /* Address conversions */
+#define DEBUG_BUFFERS   0       /* Buffering and block size conversion */
+#define DEBUG_REQUEST   0       /* Request mechanism */
+#define DEBUG_STATE     0       /* State machine */
+#define DEBUG_TOC       0       /* Q-channel and Table of Contents */
+#define DEBUG_MULTIS    0       /* Multisession code */
+#define DEBUG_VFS       0       /* VFS interface */
+
+
+/* Don't touch these unless you know what you're doing. */
+
+/* Various timeout loop repetition counts. */
+#define BUSY_TIMEOUT            10000000        /* for busy wait */
+#define FAST_TIMEOUT            100000          /* ibid. for probing */
+#define SLEEP_TIMEOUT           6000            /* for timer wait */
+#define MULTI_SEEK_TIMEOUT      1000            /* for timer wait */
+#define READ_TIMEOUT            6000            /* for poll wait */
+#define STOP_TIMEOUT            2000            /* for poll wait */
+#define RESET_WAIT              5000            /* busy wait at drive reset */
+
+/* # of buffers for block size conversion. 6 is optimal for my setup (P75),
+   giving 280 kb/s, with 0.4% CPU usage. Experiment to find your optimal
+   setting */
+#define N_BUFS          6
+
+
+#endif /* _LINUX_OPTCD_H */