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/* 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 */
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