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-rw-r--r--include/linux/vt_kern.h86
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 0000000..fab5aed
--- /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 */
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