mirror of https://github.com/xqemu/xqemu.git
vga.h: remove unused stuff and reformat
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl
parent
b134886a9e
commit
0dad6c35fc
322
hw/vga.h
322
hw/vga.h
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@ -17,34 +17,6 @@
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#ifndef __linux_video_vga_h__
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#define __linux_video_vga_h__
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#include <linux/types.h>
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#include <asm/io.h>
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#ifndef CONFIG_AMIGA
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#include <asm/vga.h>
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#else
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/*
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* FIXME
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* Ugh, we don't have PCI space, so map readb() and friends to use Zorro space
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* for MMIO accesses. This should make cirrusfb work again on Amiga
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*/
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#undef inb_p
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#undef inw_p
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#undef outb_p
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#undef outw
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#undef readb
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#undef writeb
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#undef writew
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#define inb_p(port) 0
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#define inw_p(port) 0
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#define outb_p(port, val) do { } while (0)
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#define outw(port, val) do { } while (0)
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#define readb z_readb
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#define writeb z_writeb
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#define writew z_writew
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#endif
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#include <asm/byteorder.h>
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/* Some of the code below is taken from SVGAlib. The original,
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unmodified copyright notice for that code is below. */
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/* VGAlib version 1.2 - (c) 1993 Tommy Frandsen */
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@ -184,298 +156,4 @@
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/* VGA graphics controller bit masks */
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#define VGA_GR06_GRAPHICS_MODE 0x01
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/* macro for composing an 8-bit VGA register index and value
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* into a single 16-bit quantity */
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#define VGA_OUT16VAL(v, r) (((v) << 8) | (r))
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/* decide whether we should enable the faster 16-bit VGA register writes */
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#ifdef __LITTLE_ENDIAN
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#define VGA_OUTW_WRITE
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#endif
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/* VGA State Save and Restore */
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#define VGA_SAVE_FONT0 1 /* save/restore plane 2 fonts */
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#define VGA_SAVE_FONT1 2 /* save/restore plane 3 fonts */
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#define VGA_SAVE_TEXT 4 /* save/restore plane 0/1 fonts */
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#define VGA_SAVE_FONTS 7 /* save/restore all fonts */
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#define VGA_SAVE_MODE 8 /* save/restore video mode */
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#define VGA_SAVE_CMAP 16 /* save/restore color map/DAC */
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struct vgastate {
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void __iomem *vgabase; /* mmio base, if supported */
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unsigned long membase; /* VGA window base, 0 for default - 0xA000 */
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__u32 memsize; /* VGA window size, 0 for default 64K */
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__u32 flags; /* what state[s] to save (see VGA_SAVE_*) */
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__u32 depth; /* current fb depth, not important */
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__u32 num_attr; /* number of att registers, 0 for default */
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__u32 num_crtc; /* number of crt registers, 0 for default */
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__u32 num_gfx; /* number of gfx registers, 0 for default */
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__u32 num_seq; /* number of seq registers, 0 for default */
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void *vidstate;
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};
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extern int save_vga(struct vgastate *state);
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extern int restore_vga(struct vgastate *state);
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/*
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* generic VGA port read/write
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*/
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static inline unsigned char vga_io_r (unsigned short port)
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{
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return inb_p(port);
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}
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static inline void vga_io_w (unsigned short port, unsigned char val)
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{
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outb_p(val, port);
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}
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static inline void vga_io_w_fast (unsigned short port, unsigned char reg,
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unsigned char val)
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{
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outw(VGA_OUT16VAL (val, reg), port);
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}
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static inline unsigned char vga_mm_r (void __iomem *regbase, unsigned short port)
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{
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return readb (regbase + port);
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}
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static inline void vga_mm_w (void __iomem *regbase, unsigned short port, unsigned char val)
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{
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writeb (val, regbase + port);
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}
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static inline void vga_mm_w_fast (void __iomem *regbase, unsigned short port,
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unsigned char reg, unsigned char val)
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{
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writew (VGA_OUT16VAL (val, reg), regbase + port);
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}
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static inline unsigned char vga_r (void __iomem *regbase, unsigned short port)
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{
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if (regbase)
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return vga_mm_r (regbase, port);
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else
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return vga_io_r (port);
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}
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static inline void vga_w (void __iomem *regbase, unsigned short port, unsigned char val)
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{
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if (regbase)
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vga_mm_w (regbase, port, val);
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else
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vga_io_w (port, val);
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}
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static inline void vga_w_fast (void __iomem *regbase, unsigned short port,
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unsigned char reg, unsigned char val)
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{
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if (regbase)
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vga_mm_w_fast (regbase, port, reg, val);
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else
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vga_io_w_fast (port, reg, val);
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}
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/*
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* VGA CRTC register read/write
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*/
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static inline unsigned char vga_rcrt (void __iomem *regbase, unsigned char reg)
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{
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vga_w (regbase, VGA_CRT_IC, reg);
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return vga_r (regbase, VGA_CRT_DC);
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}
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static inline void vga_wcrt (void __iomem *regbase, unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_w_fast (regbase, VGA_CRT_IC, reg, val);
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#else
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vga_w (regbase, VGA_CRT_IC, reg);
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vga_w (regbase, VGA_CRT_DC, val);
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#endif /* VGA_OUTW_WRITE */
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}
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static inline unsigned char vga_io_rcrt (unsigned char reg)
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{
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vga_io_w (VGA_CRT_IC, reg);
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return vga_io_r (VGA_CRT_DC);
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}
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static inline void vga_io_wcrt (unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_io_w_fast (VGA_CRT_IC, reg, val);
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#else
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vga_io_w (VGA_CRT_IC, reg);
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vga_io_w (VGA_CRT_DC, val);
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#endif /* VGA_OUTW_WRITE */
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}
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static inline unsigned char vga_mm_rcrt (void __iomem *regbase, unsigned char reg)
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{
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vga_mm_w (regbase, VGA_CRT_IC, reg);
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return vga_mm_r (regbase, VGA_CRT_DC);
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}
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static inline void vga_mm_wcrt (void __iomem *regbase, unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_mm_w_fast (regbase, VGA_CRT_IC, reg, val);
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#else
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vga_mm_w (regbase, VGA_CRT_IC, reg);
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vga_mm_w (regbase, VGA_CRT_DC, val);
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#endif /* VGA_OUTW_WRITE */
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}
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/*
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* VGA sequencer register read/write
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*/
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static inline unsigned char vga_rseq (void __iomem *regbase, unsigned char reg)
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{
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vga_w (regbase, VGA_SEQ_I, reg);
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return vga_r (regbase, VGA_SEQ_D);
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}
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static inline void vga_wseq (void __iomem *regbase, unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_w_fast (regbase, VGA_SEQ_I, reg, val);
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#else
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vga_w (regbase, VGA_SEQ_I, reg);
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vga_w (regbase, VGA_SEQ_D, val);
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#endif /* VGA_OUTW_WRITE */
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}
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static inline unsigned char vga_io_rseq (unsigned char reg)
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{
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vga_io_w (VGA_SEQ_I, reg);
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return vga_io_r (VGA_SEQ_D);
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}
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static inline void vga_io_wseq (unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_io_w_fast (VGA_SEQ_I, reg, val);
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#else
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vga_io_w (VGA_SEQ_I, reg);
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vga_io_w (VGA_SEQ_D, val);
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#endif /* VGA_OUTW_WRITE */
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}
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static inline unsigned char vga_mm_rseq (void __iomem *regbase, unsigned char reg)
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{
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vga_mm_w (regbase, VGA_SEQ_I, reg);
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return vga_mm_r (regbase, VGA_SEQ_D);
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}
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static inline void vga_mm_wseq (void __iomem *regbase, unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_mm_w_fast (regbase, VGA_SEQ_I, reg, val);
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#else
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vga_mm_w (regbase, VGA_SEQ_I, reg);
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vga_mm_w (regbase, VGA_SEQ_D, val);
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#endif /* VGA_OUTW_WRITE */
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}
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/*
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* VGA graphics controller register read/write
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*/
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static inline unsigned char vga_rgfx (void __iomem *regbase, unsigned char reg)
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{
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vga_w (regbase, VGA_GFX_I, reg);
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return vga_r (regbase, VGA_GFX_D);
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}
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static inline void vga_wgfx (void __iomem *regbase, unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_w_fast (regbase, VGA_GFX_I, reg, val);
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#else
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vga_w (regbase, VGA_GFX_I, reg);
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vga_w (regbase, VGA_GFX_D, val);
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#endif /* VGA_OUTW_WRITE */
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}
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static inline unsigned char vga_io_rgfx (unsigned char reg)
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{
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vga_io_w (VGA_GFX_I, reg);
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return vga_io_r (VGA_GFX_D);
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}
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static inline void vga_io_wgfx (unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_io_w_fast (VGA_GFX_I, reg, val);
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#else
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vga_io_w (VGA_GFX_I, reg);
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vga_io_w (VGA_GFX_D, val);
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#endif /* VGA_OUTW_WRITE */
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}
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static inline unsigned char vga_mm_rgfx (void __iomem *regbase, unsigned char reg)
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{
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vga_mm_w (regbase, VGA_GFX_I, reg);
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return vga_mm_r (regbase, VGA_GFX_D);
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}
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static inline void vga_mm_wgfx (void __iomem *regbase, unsigned char reg, unsigned char val)
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{
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#ifdef VGA_OUTW_WRITE
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vga_mm_w_fast (regbase, VGA_GFX_I, reg, val);
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#else
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vga_mm_w (regbase, VGA_GFX_I, reg);
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vga_mm_w (regbase, VGA_GFX_D, val);
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#endif /* VGA_OUTW_WRITE */
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}
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/*
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* VGA attribute controller register read/write
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*/
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static inline unsigned char vga_rattr (void __iomem *regbase, unsigned char reg)
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{
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vga_w (regbase, VGA_ATT_IW, reg);
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return vga_r (regbase, VGA_ATT_R);
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}
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static inline void vga_wattr (void __iomem *regbase, unsigned char reg, unsigned char val)
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{
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vga_w (regbase, VGA_ATT_IW, reg);
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vga_w (regbase, VGA_ATT_W, val);
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}
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static inline unsigned char vga_io_rattr (unsigned char reg)
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{
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vga_io_w (VGA_ATT_IW, reg);
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return vga_io_r (VGA_ATT_R);
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}
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static inline void vga_io_wattr (unsigned char reg, unsigned char val)
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{
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vga_io_w (VGA_ATT_IW, reg);
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vga_io_w (VGA_ATT_W, val);
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}
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static inline unsigned char vga_mm_rattr (void __iomem *regbase, unsigned char reg)
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{
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vga_mm_w (regbase, VGA_ATT_IW, reg);
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return vga_mm_r (regbase, VGA_ATT_R);
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}
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static inline void vga_mm_wattr (void __iomem *regbase, unsigned char reg, unsigned char val)
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{
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vga_mm_w (regbase, VGA_ATT_IW, reg);
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vga_mm_w (regbase, VGA_ATT_W, val);
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}
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#endif /* __linux_video_vga_h__ */
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