1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Picvue PVC160206 display driver 4 * 5 * Brian Murphy <brian.murphy@eicon.com> 6 * 7 */ 8struct 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 17extern 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 24void pvc_write_string(const unsigned char *str, u8 addr, int line); 25void pvc_write_string_centered(const unsigned char *str, int line); 26void pvc_dump_string(const unsigned char *str); 27 28#define BM_SIZE 8 29#define MAX_PROGRAMMABLE_CHARS 8 30int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]); 31 32void 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 38void pvc_move(u8 cmd); 39#define DISPLAY (1 << 3) 40#define CURSOR 0 41#define RIGHT (1 << 2) 42#define LEFT 0 43 44void pvc_clear(void); 45void pvc_home(void); 46