diff options
Diffstat (limited to 'include/linux/tty.h')
| -rw-r--r-- | include/linux/tty.h | 81 |
1 files changed, 48 insertions, 33 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index d3761847c..c965cd287 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -5,6 +5,16 @@ * 'tty.h' defines some structures used by tty_io.c and some defines. */ +/* + * These constants are also useful for user-level apps (e.g., VC + * resizing). + */ +#define MIN_NR_CONSOLES 1 /* must be at least 1 */ +#define MAX_NR_CONSOLES 63 /* serial lines start at 64 */ +#define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */ + /* Note: the ioctl VT_GETSTATE does not work for + consoles 16 and higher (since it returns a short) */ + #ifdef __KERNEL__ #include <linux/fs.h> #include <linux/termios.h> @@ -21,12 +31,7 @@ * (Note: the *_driver.minor_start values 1, 64, 128, 192 are * hardcoded at present.) */ -#define MIN_NR_CONSOLES 1 /* must be at least 1 */ -#define MAX_NR_CONSOLES 63 /* serial lines start at 64 */ -#define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */ - /* Note: the ioctl VT_GETSTATE does not work for - consoles 16 and higher (since it returns a short) */ -#define NR_PTYS 64 +#define NR_PTYS 256 #define NR_LDISCS 16 /* @@ -40,30 +45,38 @@ struct screen_info { unsigned short orig_video_page; unsigned char orig_video_mode; unsigned char orig_video_cols; - unsigned short orig_video_ega_ax; + unsigned short unused2; unsigned short orig_video_ega_bx; - unsigned short orig_video_ega_cx; + unsigned short unused3; unsigned char orig_video_lines; + unsigned char orig_video_isVGA; + unsigned short orig_video_points; }; extern struct screen_info screen_info; #define ORIG_X (screen_info.orig_x) #define ORIG_Y (screen_info.orig_y) -#define ORIG_VIDEO_PAGE (screen_info.orig_video_page) #define ORIG_VIDEO_MODE (screen_info.orig_video_mode) #define ORIG_VIDEO_COLS (screen_info.orig_video_cols) -#define ORIG_VIDEO_EGA_AX (screen_info.orig_video_ega_ax) #define ORIG_VIDEO_EGA_BX (screen_info.orig_video_ega_bx) -#define ORIG_VIDEO_EGA_CX (screen_info.orig_video_ega_cx) #define ORIG_VIDEO_LINES (screen_info.orig_video_lines) +#define ORIG_VIDEO_ISVGA (screen_info.orig_video_isVGA) +#define ORIG_VIDEO_POINTS (screen_info.orig_video_points) #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ #define VIDEO_TYPE_CGA 0x11 /* CGA Display */ #define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */ +#define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */ +#define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */ #define VIDEO_TYPE_EGAC 0x21 /* EGA/VGA in Color Mode */ #define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */ -#define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */ +#define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */ +#define VIDEO_TYPE_SNI_RM 0x31 /* SNI RM200 PCI video */ + +#define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */ + +#define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */ /* * This character is the same as _POSIX_VDISABLE: it cannot be used as @@ -200,7 +213,7 @@ struct tty_struct { struct termios *termios, *termios_locked; int pgrp; int session; - dev_t device; + kdev_t device; unsigned long flags; int count; struct winsize winsize; @@ -252,12 +265,14 @@ struct tty_struct { */ #define TTY_THROTTLED 0 #define TTY_IO_ERROR 1 -#define TTY_SLAVE_CLOSED 2 +#define TTY_OTHER_CLOSED 2 #define TTY_EXCLUSIVE 3 #define TTY_DEBUG 4 #define TTY_DO_WRITE_WAKEUP 5 #define TTY_PUSH 6 #define TTY_CLOSING 7 +#define TTY_HW_COOK_OUT 14 +#define TTY_HW_COOK_IN 15 #define TTY_WRITE_FLUSH(tty) tty_write_flush((tty)) @@ -266,28 +281,25 @@ extern void tty_write_flush(struct tty_struct *); extern struct termios tty_std_termios; extern struct tty_struct * redirect; extern struct tty_ldisc ldiscs[]; -extern int fg_console; +extern int fg_console, last_console, want_console; + +extern int kmsg_redirect; extern struct wait_queue * keypress_wait; -/* intr=^C quit=^| erase=del kill=^U - eof=^D vtime=\0 vmin=\1 sxtc=\0 - start=^Q stop=^S susp=^Z eol=\0 - reprint=^R discard=^U werase=^W lnext=^V - eol2=\0 -*/ -#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" - -extern long rs_init(long); -extern long lp_init(long); -extern long con_init(long); -extern long pty_init(long); -extern long tty_init(long); -extern long vcs_init(long); -#ifdef CONFIG_CYCLADES -extern long cy_init(long); -#endif +extern unsigned long con_init(unsigned long); + +extern int rs_init(void); +extern int lp_init(void); +extern int pty_init(void); +extern int tty_init(void); +extern int pcxe_init(void); +extern int vcs_init(void); +extern int cy_init(void); +extern int stl_init(void); +extern int stli_init(void); +extern int riscom8_init(void); -extern int tty_paranoia_check(struct tty_struct *tty, dev_t device, +extern int tty_paranoia_check(struct tty_struct *tty, kdev_t device, const char *routine); extern char *_tty_name(struct tty_struct *tty, char *buf); extern char *tty_name(struct tty_struct *tty); @@ -300,6 +312,7 @@ extern int tty_register_driver(struct tty_driver *driver); extern int tty_unregister_driver(struct tty_driver *driver); extern int tty_read_raw_data(struct tty_struct *tty, unsigned char *bufp, int buflen); +extern void tty_write_message(struct tty_struct *tty, char *msg); extern int is_orphaned_pgrp(int pgrp); extern int is_ignored(int sig); @@ -325,11 +338,13 @@ extern int rs_open(struct tty_struct * tty, struct file * filp); /* pty.c */ extern int pty_open(struct tty_struct * tty, struct file * filp); +extern int pcxe_open(struct tty_struct *tty, struct file *filp); /* console.c */ extern int con_open(struct tty_struct * tty, struct file * filp); extern void update_screen(int new_console); +extern void console_print(const char *); /* vt.c */ |