1/* linux/include/linux/optcd.h - Optics Storage 8000 AT CDROM driver 2 $Id: optcd.h,v 1.1.1.1 2007/08/03 18:52:27 Exp $ 3 4 Copyright (C) 1995 Leo Spiekman (spiekman@dutette.et.tudelft.nl) 5 6 7 Configuration file for linux/drivers/cdrom/optcd.c 8*/ 9 10#ifndef _LINUX_OPTCD_H 11#define _LINUX_OPTCD_H 12 13 14/* I/O base of drive. Drive uses base to base+2. 15 This setting can be overridden with the kernel or insmod command 16 line option 'optcd=<portbase>'. Use address of 0 to disable driver. */ 17#define OPTCD_PORTBASE 0x340 18 19 20/* enable / disable parts of driver by define / undef */ 21#define MULTISESSION /* multisession support (ALPHA) */ 22 23 24/* Change 0 to 1 to debug various parts of the driver */ 25#define DEBUG_DRIVE_IF 0 /* Low level drive interface */ 26#define DEBUG_CONV 0 /* Address conversions */ 27#define DEBUG_BUFFERS 0 /* Buffering and block size conversion */ 28#define DEBUG_REQUEST 0 /* Request mechanism */ 29#define DEBUG_STATE 0 /* State machine */ 30#define DEBUG_TOC 0 /* Q-channel and Table of Contents */ 31#define DEBUG_MULTIS 0 /* Multisession code */ 32#define DEBUG_VFS 0 /* VFS interface */ 33 34 35/* Don't touch these unless you know what you're doing. */ 36 37/* Various timeout loop repetition counts. */ 38#define BUSY_TIMEOUT 10000000 /* for busy wait */ 39#define FAST_TIMEOUT 100000 /* ibid. for probing */ 40#define SLEEP_TIMEOUT 6000 /* for timer wait */ 41#define MULTI_SEEK_TIMEOUT 1000 /* for timer wait */ 42#define READ_TIMEOUT 6000 /* for poll wait */ 43#define STOP_TIMEOUT 2000 /* for poll wait */ 44#define RESET_WAIT 5000 /* busy wait at drive reset */ 45 46/* # of buffers for block size conversion. 6 is optimal for my setup (P75), 47 giving 280 kb/s, with 0.4% CPU usage. Experiment to find your optimal 48 setting */ 49#define N_BUFS 6 50 51 52#endif /* _LINUX_OPTCD_H */ 53