arch/mips/lasat/picvue.h

   1 /*
   2  * Picvue PVC160206 display driver
   3  *
   4  * Brian Murphy <brian.murphy@eicon.com>
   5  *
   6  */
   7 #include <asm/semaphore.h>
   8
   9 struct pvc_defs {
  10         volatile u32 *reg;
  11         u32 data_shift;
  12         u32 data_mask;
  13         u32 e;
  14         u32 rw;
  15         u32 rs;
  16 };
  17
  18 extern struct pvc_defs *picvue;
  19
  20 #define PVC_NLINES              2
  21 #define PVC_DISPMEM             80
  22 #define PVC_LINELEN             PVC_DISPMEM / PVC_NLINES
  23 #define PVC_VISIBLE_CHARS       16
  24
  25 void pvc_write_string(const unsigned char *str, u8 addr, int line);
  26 void pvc_write_string_centered(const unsigned char *str, int line);
  27 void pvc_dump_string(const unsigned char *str);
  28
  29 #define BM_SIZE                 8
  30 #define MAX_PROGRAMMABLE_CHARS  8
  31 int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]);
  32
  33 void pvc_dispcnt(u8 cmd);
  34 #define  DISP_OFF       0
  35 #define  DISP_ON        (1 << 2)
  36 #define  CUR_ON         (1 << 1)
  37 #define  CUR_BLINK      (1 << 0)
  38
  39 void pvc_move(u8 cmd);
  40 #define  DISPLAY        (1 << 3)
  41 #define  CURSOR         0
  42 #define  RIGHT          (1 << 2)
  43 #define  LEFT           0
  44
  45 void pvc_clear(void);
  46 void pvc_home(void);
  47
  48 extern struct semaphore pvc_sem;