diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/linux/vt_kern.h |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/linux/vt_kern.h')
-rw-r--r-- | include/linux/vt_kern.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h new file mode 100644 index 000000000000..fab5aed8ca31 --- /dev/null +++ b/include/linux/vt_kern.h @@ -0,0 +1,86 @@ +#ifndef _VT_KERN_H +#define _VT_KERN_H + +/* + * this really is an extension of the vc_cons structure in console.c, but + * with information needed by the vt package + */ + +#include <linux/config.h> +#include <linux/vt.h> +#include <linux/kd.h> +#include <linux/tty.h> +#include <linux/console_struct.h> +#include <linux/mm.h> + +/* + * Presently, a lot of graphics programs do not restore the contents of + * the higher font pages. Defining this flag will avoid use of them, but + * will lose support for PIO_FONTRESET. Note that many font operations are + * not likely to work with these programs anyway; they need to be + * fixed. The linux/Documentation directory includes a code snippet + * to save and restore the text font. + */ +#ifdef CONFIG_VGA_CONSOLE +#define BROKEN_GRAPHICS_PROGRAMS 1 +#endif + +extern void kd_mksound(unsigned int hz, unsigned int ticks); +extern int kbd_rate(struct kbd_repeat *rep); + +/* console.c */ + +int vc_allocate(unsigned int console); +int vc_cons_allocated(unsigned int console); +int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines); +void vc_disallocate(unsigned int console); +void reset_palette(struct vc_data *vc); +void do_blank_screen(int entering_gfx); +void do_unblank_screen(int leaving_gfx); +void unblank_screen(void); +void poke_blanked_console(void); +int con_font_op(struct vc_data *vc, struct console_font_op *op); +int con_set_cmap(unsigned char __user *cmap); +int con_get_cmap(unsigned char __user *cmap); +void scrollback(struct vc_data *vc, int lines); +void scrollfront(struct vc_data *vc, int lines); +void update_region(struct vc_data *vc, unsigned long start, int count); +void redraw_screen(struct vc_data *vc, int is_switch); +#define update_screen(x) redraw_screen(x, 0) +#define switch_screen(x) redraw_screen(x, 1) + +struct tty_struct; +int tioclinux(struct tty_struct *tty, unsigned long arg); + +/* consolemap.c */ + +struct unimapinit; +struct unipair; + +int con_set_trans_old(unsigned char __user * table); +int con_get_trans_old(unsigned char __user * table); +int con_set_trans_new(unsigned short __user * table); +int con_get_trans_new(unsigned short __user * table); +int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui); +int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list); +int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list); +int con_set_default_unimap(struct vc_data *vc); +void con_free_unimap(struct vc_data *vc); +void con_protect_unimap(struct vc_data *vc, int rdonly); +int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc); + +/* vt.c */ +int vt_waitactive(int vt); +void change_console(struct vc_data *new_vc); +void reset_vc(struct vc_data *vc); + +/* + * vc_screen.c shares this temporary buffer with the console write code so that + * we can easily avoid touching user space while holding the console spinlock. + */ + +#define CON_BUF_SIZE (CONFIG_BASE_SMALL ? 256 : PAGE_SIZE) +extern char con_buf[CON_BUF_SIZE]; +extern struct semaphore con_buf_sem; + +#endif /* _VT_KERN_H */ |