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picvue.h

/*
 * Picvue PVC160206 display driver
 *
 * Brian Murphy <brian.murphy@eicon.com>
 *
 */
#include <asm/semaphore.h>

struct pvc_defs {
      volatile u32 *reg;
      u32 data_shift;
      u32 data_mask;
      u32 e;
      u32 rw;
      u32 rs;
};

extern struct pvc_defs *picvue;

#define PVC_NLINES            2
#define PVC_DISPMEM           80
#define PVC_LINELEN           PVC_DISPMEM / PVC_NLINES
#define PVC_VISIBLE_CHARS     16

void pvc_write_string(const unsigned char *str, u8 addr, int line);
void pvc_write_string_centered(const unsigned char *str, int line);
void pvc_dump_string(const unsigned char *str);

#define BM_SIZE               8
#define MAX_PROGRAMMABLE_CHARS      8
int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]);

void pvc_dispcnt(u8 cmd);
#define  DISP_OFF 0
#define  DISP_ON  (1 << 2)
#define  CUR_ON         (1 << 1)
#define  CUR_BLINK      (1 << 0)

void pvc_move(u8 cmd);
#define  DISPLAY  (1 << 3)
#define  CURSOR         0
#define  RIGHT          (1 << 2)
#define  LEFT           0

void pvc_clear(void);
void pvc_home(void);

extern struct semaphore pvc_sem;

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