diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-04-29 21:13:14 +0000 |
|---|---|---|
| committer | <ralf@linux-mips.org> | 1997-04-29 21:13:14 +0000 |
| commit | 19c9bba94152148523ba0f7ef7cffe3d45656b11 (patch) | |
| tree | 40b1cb534496a7f1ca0f5c314a523c69f1fee464 /include/linux/lp_m68k.h | |
| parent | 7206675c40394c78a90e74812bbdbf8cf3cca1be (diff) | |
Import of Linux/MIPS 2.1.36
Diffstat (limited to 'include/linux/lp_m68k.h')
| -rw-r--r-- | include/linux/lp_m68k.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/include/linux/lp_m68k.h b/include/linux/lp_m68k.h index 26d078110..6cd60e19d 100644 --- a/include/linux/lp_m68k.h +++ b/include/linux/lp_m68k.h @@ -13,8 +13,11 @@ * Interrupt support added 1993 Nigel Gamble */ -#include <linux/autoconf.h> -#include <asm/bootinfo.h> +/* + * many many printers are we going to support? currently, this is the + * hardcoded limit + */ +#define MAX_LP 5 /* * Per POSIX guidelines, this module reserves the LP and lp prefixes @@ -84,6 +87,17 @@ #define LP_BUFFER_SIZE 1024 /*256*/ +enum lp_type { +LP_UNKNOWN = 0, +LP_AMIGA = 1, +LP_ATARI = 2, +LP_MFC = 3 +}; + +/* + * warning: this structure is in kernel space and has to fit in one page, + * i.e. must not be larger than 4k + */ struct lp_struct { char *name; unsigned int irq; @@ -92,18 +106,27 @@ struct lp_struct { int (*lp_has_pout)(int); int (*lp_is_online)(int); int (*lp_my_interrupt)(int); + int (*lp_ioctl)(int, unsigned int, unsigned long); + void (*lp_open)(void); /* for module use counter */ + void (*lp_release)(void); /* for module use counter */ int flags; /*for BUSY... */ unsigned int chars; /*busy timeout */ unsigned int time; /*wait time */ unsigned int wait; struct wait_queue *lp_wait_q; /*strobe wait */ + void *base; /* hardware drivers internal use*/ + enum lp_type type; char lp_buffer[LP_BUFFER_SIZE]; int do_print; unsigned long copy_size,bytes_written; }; -extern struct lp_struct lp_table[]; +extern struct lp_struct *lp_table[MAX_LP]; +extern unsigned int lp_irq; -extern int lp_init(void); +void lp_interrupt(int, void *, struct pt_regs *); +int lp_init(void); +int register_parallel(struct lp_struct *, int); +void unregister_parallel(int); #endif |