Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Picvue PVC160206 display driver |
| 3 | * |
| 4 | * Brian Murphy <brian.murphy@eicon.com> |
| 5 | * |
| 6 | */ |
| 7 | #include <asm/semaphore.h> |
| 8 | |
| 9 | struct 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 | |
| 18 | extern 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 | |
| 25 | void pvc_write_string(const unsigned char *str, u8 addr, int line); |
| 26 | void pvc_write_string_centered(const unsigned char *str, int line); |
| 27 | void pvc_dump_string(const unsigned char *str); |
| 28 | |
| 29 | #define BM_SIZE 8 |
| 30 | #define MAX_PROGRAMMABLE_CHARS 8 |
| 31 | int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]); |
| 32 | |
| 33 | void 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 | |
| 39 | void pvc_move(u8 cmd); |
| 40 | #define DISPLAY (1 << 3) |
| 41 | #define CURSOR 0 |
| 42 | #define RIGHT (1 << 2) |
| 43 | #define LEFT 0 |
| 44 | |
| 45 | void pvc_clear(void); |
| 46 | void pvc_home(void); |
| 47 | |
| 48 | extern struct semaphore pvc_sem; |