arch/powerpc/include/asm/btext.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Definitions for using the procedures in btext.c.
   4  *
   5  * Benjamin Herrenschmidt <benh@kernel.crashing.org>
   6  */
   7 #ifndef __PPC_BTEXT_H
   8 #define __PPC_BTEXT_H
   9 #ifdef __KERNEL__
  10
  11 extern int btext_find_display(int allow_nonstdout);
  12 extern void btext_update_display(unsigned long phys, int width, int height,
  13                                  int depth, int pitch);
  14 extern void btext_setup_display(int width, int height, int depth, int pitch,
  15                                 unsigned long address);
  16 #ifdef CONFIG_PPC32
  17 extern void btext_prepare_BAT(void);
  18 #else
  19 static inline void btext_prepare_BAT(void) { }
  20 #endif
  21 extern void btext_map(void);
  22 extern void btext_unmap(void);
  23
  24 extern void btext_drawchar(char c);
  25 extern void btext_drawstring(const char *str);
  26 extern void btext_drawhex(unsigned long v);
  27 extern void btext_drawtext(const char *c, unsigned int len);
  28
  29 extern void btext_clearscreen(void);
  30 extern void btext_flushscreen(void);
  31 extern void btext_flushline(void);
  32
  33 #endif /* __KERNEL__ */
  34 #endif /* __PPC_BTEXT_H */