| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* linux/include/linux/optcd.h - Optics Storage 8000 AT CDROM driver |
| 2 | $Id: optcd.h,v 1.2 1996/01/15 18:43:44 root Exp root $ |
| 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 */ |