| /* 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 */ |