optcd.h
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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 */