1/* 2 * Picvue PVC160206 display driver 3 * 4 * Brian Murphy <brian.murphy@eicon.com> 5 * 6 */ 7#include <asm/semaphore.h> 8 9struct 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 18extern 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 25void pvc_write_string(const unsigned char *str, u8 addr, int line); 26void pvc_write_string_centered(const unsigned char *str, int line); 27void pvc_dump_string(const unsigned char *str); 28 29#define BM_SIZE 8 30#define MAX_PROGRAMMABLE_CHARS 8 31int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]); 32 33void 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 39void pvc_move(u8 cmd); 40#define DISPLAY (1 << 3) 41#define CURSOR 0 42#define RIGHT (1 << 2) 43#define LEFT 0 44 45void pvc_clear(void); 46void pvc_home(void); 47 48extern struct semaphore pvc_sem; 49