1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Picvue PVC160206 display driver
4  *
5  * Brian Murphy <brian.murphy@eicon.com>
6  *
7  */
8 struct pvc_defs {
9 	volatile u32 *reg;
10 	u32 data_shift;
11 	u32 data_mask;
12 	u32 e;
13 	u32 rw;
14 	u32 rs;
15 };
16 
17 extern struct pvc_defs *picvue;
18 
19 #define PVC_NLINES		2
20 #define PVC_DISPMEM		80
21 #define PVC_LINELEN		PVC_DISPMEM / PVC_NLINES
22 #define PVC_VISIBLE_CHARS	16
23 
24 void pvc_write_string(const unsigned char *str, u8 addr, int line);
25 void pvc_write_string_centered(const unsigned char *str, int line);
26 void pvc_dump_string(const unsigned char *str);
27 
28 #define BM_SIZE			8
29 #define MAX_PROGRAMMABLE_CHARS	8
30 int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]);
31 
32 void pvc_dispcnt(u8 cmd);
33 #define	 DISP_OFF	0
34 #define	 DISP_ON	(1 << 2)
35 #define	 CUR_ON		(1 << 1)
36 #define	 CUR_BLINK	(1 << 0)
37 
38 void pvc_move(u8 cmd);
39 #define	 DISPLAY	(1 << 3)
40 #define	 CURSOR		0
41 #define	 RIGHT		(1 << 2)
42 #define	 LEFT		0
43 
44 void pvc_clear(void);
45 void pvc_home(void);
46