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Ralf Baechle42a3b4f2005-09-03 15:56:17 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * Picvue PVC160206 display driver
3 *
Ralf Baechle42a3b4f2005-09-03 15:56:17 -07004 * Brian Murphy <brian.murphy@eicon.com>
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 *
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;