Thomas Cort 526eb34144 cat24c256: driver for the cat24c256 i2c eeprom
Change-Id: I682d136c80fc868d3f0a5edb0cf6c33c0f3a28ea
2013-07-15 17:03:18 -04:00

91 lines
4.8 KiB
C

#ifndef _DMAP_H
#define _DMAP_H
#include <minix/sys_config.h>
#include <minix/ipc.h>
enum dev_style { STYLE_NDEV, STYLE_DEV, STYLE_DEVA, STYLE_TTY, STYLE_CTTY,
STYLE_CLONE, STYLE_CLONE_A };
#define IS_DEV_STYLE(s) (s>=STYLE_NDEV && s<=STYLE_CLONE_A)
#define dev_style_asyn(devstyle) ((devstyle) == STYLE_DEVA || \
(devstyle) == STYLE_CLONE_A)
/*===========================================================================*
* Major and minor device numbers *
*===========================================================================*/
/* Total number of different devices. */
#define NR_DEVICES NR_SYS_PROCS /* number of (major) devices */
/* Major device numbers. */
#define NONE_MAJOR 0 /* 0 = not used */
#define MEMORY_MAJOR 1 /* 1 = /dev/mem (memory devices) */
#define FLOPPY_MAJOR 2 /* 2 = /dev/fd0 (floppy disks) */
/* 3 = /dev/c0 */
#define TTY_MAJOR 4 /* 4 = /dev/tty00 (ttys) */
#define CTTY_MAJOR 5 /* 5 = /dev/tty */
#define PRINTER_MAJOR 6 /* 6 = /dev/lp (printer driver) */
#define INET_MAJOR 7 /* 7 = /dev/ip (inet) */
/* 8 = /dev/c1 */
/* 9 = not used */
/* 10 = /dev/c2 */
#define FILTER_MAJOR 11 /* 11 = /dev/filter (filter driver) */
/* 12 = /dev/c3 */
#define AUDIO_MAJOR 13 /* 13 = /dev/audio (audio driver) */
#define FBD_MAJOR 14 /* 14 = /dev/fbd (faulty block dev)*/
#define LOG_MAJOR 15 /* 15 = /dev/klog (log driver) */
#define RANDOM_MAJOR 16 /* 16 = /dev/random (random driver) */
#define HELLO_MAJOR 17 /* 17 = /dev/hello (hello driver) */
#define UDS_MAJOR 18 /* 18 = /dev/uds (pfs) */
#define FB_MAJOR 19 /* 18 = /dev/fb0 (fb driver) */
#define I2C0_MAJOR 20 /* 20 = /dev/i2c-1 (i2c-dev) */
#define I2C1_MAJOR 21 /* 21 = /dev/i2c-2 (i2c-dev) */
#define I2C2_MAJOR 22 /* 22 = /dev/i2c-3 (i2c-dev) */
#define EEPROMB1S50_MAJOR 23 /* 23 = /dev/eepromb1s50 (cat24c256) */
#define EEPROMB1S51_MAJOR 24 /* 24 = /dev/eepromb1s51 (cat24c256) */
#define EEPROMB1S52_MAJOR 25 /* 25 = /dev/eepromb1s52 (cat24c256) */
#define EEPROMB1S53_MAJOR 26 /* 26 = /dev/eepromb1s53 (cat24c256) */
#define EEPROMB1S54_MAJOR 27 /* 27 = /dev/eepromb1s54 (cat24c256) */
#define EEPROMB1S55_MAJOR 28 /* 28 = /dev/eepromb1s55 (cat24c256) */
#define EEPROMB1S56_MAJOR 29 /* 29 = /dev/eepromb1s56 (cat24c256) */
#define EEPROMB1S57_MAJOR 30 /* 30 = /dev/eepromb1s57 (cat24c256) */
#define EEPROMB2S50_MAJOR 31 /* 31 = /dev/eepromb2s50 (cat24c256) */
#define EEPROMB2S51_MAJOR 32 /* 32 = /dev/eepromb2s51 (cat24c256) */
#define EEPROMB2S52_MAJOR 33 /* 33 = /dev/eepromb2s52 (cat24c256) */
#define EEPROMB2S53_MAJOR 34 /* 34 = /dev/eepromb2s53 (cat24c256) */
#define EEPROMB2S54_MAJOR 35 /* 35 = /dev/eepromb2s54 (cat24c256) */
#define EEPROMB2S55_MAJOR 36 /* 36 = /dev/eepromb2s55 (cat24c256) */
#define EEPROMB2S56_MAJOR 37 /* 37 = /dev/eepromb2s56 (cat24c256) */
#define EEPROMB2S57_MAJOR 38 /* 38 = /dev/eepromb2s57 (cat24c256) */
#define EEPROMB3S50_MAJOR 39 /* 39 = /dev/eepromb3s50 (cat24c256) */
#define EEPROMB3S51_MAJOR 40 /* 40 = /dev/eepromb3s51 (cat24c256) */
#define EEPROMB3S52_MAJOR 41 /* 41 = /dev/eepromb3s52 (cat24c256) */
#define EEPROMB3S53_MAJOR 42 /* 42 = /dev/eepromb3s53 (cat24c256) */
#define EEPROMB3S54_MAJOR 43 /* 43 = /dev/eepromb3s54 (cat24c256) */
#define EEPROMB3S55_MAJOR 44 /* 44 = /dev/eepromb3s55 (cat24c256) */
#define EEPROMB3S56_MAJOR 45 /* 45 = /dev/eepromb3s56 (cat24c256) */
#define EEPROMB3S57_MAJOR 46 /* 46 = /dev/eepromb3s57 (cat24c256) */
/* Minor device numbers for memory driver. */
# define RAM_DEV_OLD 0 /* minor device for /dev/ram */
# define MEM_DEV 1 /* minor device for /dev/mem */
# define KMEM_DEV 2 /* minor device for /dev/kmem */
# define NULL_DEV 3 /* minor device for /dev/null */
# define BOOT_DEV 4 /* minor device for /dev/boot */
# define ZERO_DEV 5 /* minor device for /dev/zero */
# define IMGRD_DEV 6 /* minor device for /dev/imgrd */
# define RAM_DEV_FIRST 7 /* first minor device for /dev/ram* */
#define CTRLR(n) ((n)==0 ? 3 : (8 + 2*((n)-1))) /* magic formula */
/* Minor device numbers for log driver. */
# define IS_KLOG_DEV 0 /* minor device for /dev/klog */
/* Full device numbers that are special to the boot monitor and FS. */
# define DEV_RAM ((dev_t) 0x0100) /* device number of /dev/ram */
# define DEV_IMGRD ((dev_t) 0x0106) /* device number of /dev/imgrd */
#endif /* _DMAP_H */