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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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42a3b4f25a
Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
49 lines
980 B
C
49 lines
980 B
C
/*
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* Picvue PVC160206 display driver
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*
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* Brian Murphy <brian.murphy@eicon.com>
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*
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*/
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#include <asm/semaphore.h>
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struct pvc_defs {
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volatile u32 *reg;
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u32 data_shift;
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u32 data_mask;
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u32 e;
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u32 rw;
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u32 rs;
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};
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extern struct pvc_defs *picvue;
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#define PVC_NLINES 2
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#define PVC_DISPMEM 80
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#define PVC_LINELEN PVC_DISPMEM / PVC_NLINES
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#define PVC_VISIBLE_CHARS 16
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void pvc_write_string(const unsigned char *str, u8 addr, int line);
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void pvc_write_string_centered(const unsigned char *str, int line);
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void pvc_dump_string(const unsigned char *str);
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#define BM_SIZE 8
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#define MAX_PROGRAMMABLE_CHARS 8
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int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]);
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void pvc_dispcnt(u8 cmd);
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#define DISP_OFF 0
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#define DISP_ON (1 << 2)
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#define CUR_ON (1 << 1)
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#define CUR_BLINK (1 << 0)
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void pvc_move(u8 cmd);
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#define DISPLAY (1 << 3)
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#define CURSOR 0
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#define RIGHT (1 << 2)
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#define LEFT 0
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void pvc_clear(void);
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void pvc_home(void);
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extern struct semaphore pvc_sem;
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