[linux-2.6-block.git] / include / linux / svga.h

#ifndef _LINUX_SVGA_H
#define _LINUX_SVGA_H

#ifdef __KERNEL__

#include <linux/pci.h>
#include <video/vga.h>

/* Terminator for register set */

#define VGA_REGSET_END_VAL	0xFF
#define VGA_REGSET_END		{VGA_REGSET_END_VAL, 0, 0}

struct vga_regset {
	u8 regnum;
	u8 lowbit;
	u8 highbit;
};

/* ------------------------------------------------------------------------- */

#define SVGA_FORMAT_END_VAL	0xFFFF
#define SVGA_FORMAT_END		{SVGA_FORMAT_END_VAL, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, 0, 0, 0, 0, 0, 0}

struct svga_fb_format {
	/* var part */
	u32 bits_per_pixel;
	struct fb_bitfield red;
	struct fb_bitfield green;
	struct fb_bitfield blue;
	struct fb_bitfield transp;
	u32 nonstd;
	/* fix part */
	u32 type;
	u32 type_aux;
	u32 visual;
	u32 xpanstep;
	u32 xresstep;
};

struct svga_timing_regs {
	const struct vga_regset *h_total_regs;
	const struct vga_regset *h_display_regs;
	const struct vga_regset *h_blank_start_regs;
	const struct vga_regset *h_blank_end_regs;
	const struct vga_regset *h_sync_start_regs;
	const struct vga_regset *h_sync_end_regs;

	const struct vga_regset *v_total_regs;
	const struct vga_regset *v_display_regs;
	const struct vga_regset *v_blank_start_regs;
	const struct vga_regset *v_blank_end_regs;
	const struct vga_regset *v_sync_start_regs;
	const struct vga_regset *v_sync_end_regs;
};

struct svga_pll {
	u16 m_min;
	u16 m_max;
	u16 n_min;
	u16 n_max;
	u16 r_min;
	u16 r_max;  /* r_max < 32 */
	u32 f_vco_min;
	u32 f_vco_max;
	u32 f_base;
};


/* Write a value to the attribute register */

static inline void svga_wattr(u8 index, u8 data)
{
	inb(0x3DA);
	outb(index, 0x3C0);
	outb(data, 0x3C0);
}

/* Write a value to a sequence register with a mask */

static inline void svga_wseq_mask(u8 index, u8 data, u8 mask)
{
	vga_wseq(NULL, index, (data & mask) | (vga_rseq(NULL, index) & ~mask));
}

/* Write a value to a CRT register with a mask */

static inline void svga_wcrt_mask(u8 index, u8 data, u8 mask)
{
	vga_wcrt(NULL, index, (data & mask) | (vga_rcrt(NULL, index) & ~mask));
}

static inline int svga_primary_device(struct pci_dev *dev)
{
	u16 flags;
	pci_read_config_word(dev, PCI_COMMAND, &flags);
	return (flags & PCI_COMMAND_IO);
}


void svga_wcrt_multi(const struct vga_regset *regset, u32 value);
void svga_wseq_multi(const struct vga_regset *regset, u32 value);

void svga_set_default_gfx_regs(void);
void svga_set_default_atc_regs(void);
void svga_set_default_seq_regs(void);
void svga_set_default_crt_regs(void);
void svga_set_textmode_vga_regs(void);

void svga_settile(struct fb_info *info, struct fb_tilemap *map);
void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area);
void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect);
void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit);
void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor);
int svga_get_tilemax(struct fb_info *info);
void svga_get_caps(struct fb_info *info, struct fb_blit_caps *caps,
		   struct fb_var_screeninfo *var);

int svga_compute_pll(const struct svga_pll *pll, u32 f_wanted, u16 *m, u16 *n, u16 *r, int node);
int svga_check_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, int node);
void svga_set_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, u32 hmul, u32 hdiv, u32 vmul, u32 vdiv, u32 hborder, int node);

int svga_match_format(const struct svga_fb_format *frm, struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix);

#endif /* __KERNEL__  */
#endif /* _LINUX_SVGA_H */
Commit	Line	Data
a268422d OZ	1	#ifndef _LINUX_SVGA_H
	2	#define _LINUX_SVGA_H
	3
	4	#ifdef __KERNEL__
	5
	6	#include <linux/pci.h>
	7	#include <video/vga.h>
	8
	9	/* Terminator for register set */
	10
	11	#define VGA_REGSET_END_VAL 0xFF
	12	#define VGA_REGSET_END {VGA_REGSET_END_VAL, 0, 0}
	13
	14	struct vga_regset {
	15	u8 regnum;
	16	u8 lowbit;
	17	u8 highbit;
	18	};
	19
	20	/* ------------------------------------------------------------------------- */
	21
	22	#define SVGA_FORMAT_END_VAL 0xFFFF
	23	#define SVGA_FORMAT_END {SVGA_FORMAT_END_VAL, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, 0, 0, 0, 0, 0, 0}
	24
	25	struct svga_fb_format {
	26	/* var part */
	27	u32 bits_per_pixel;
	28	struct fb_bitfield red;
	29	struct fb_bitfield green;
	30	struct fb_bitfield blue;
	31	struct fb_bitfield transp;
	32	u32 nonstd;
	33	/* fix part */
	34	u32 type;
	35	u32 type_aux;
	36	u32 visual;
	37	u32 xpanstep;
	38	u32 xresstep;
	39	};
	40
	41	struct svga_timing_regs {
	42	const struct vga_regset *h_total_regs;
	43	const struct vga_regset *h_display_regs;
	44	const struct vga_regset *h_blank_start_regs;
	45	const struct vga_regset *h_blank_end_regs;
	46	const struct vga_regset *h_sync_start_regs;
	47	const struct vga_regset *h_sync_end_regs;
	48
	49	const struct vga_regset *v_total_regs;
	50	const struct vga_regset *v_display_regs;
	51	const struct vga_regset *v_blank_start_regs;
	52	const struct vga_regset *v_blank_end_regs;
	53	const struct vga_regset *v_sync_start_regs;
	54	const struct vga_regset *v_sync_end_regs;
	55	};
	56
	57	struct svga_pll {
	58	u16 m_min;
	59	u16 m_max;
	60	u16 n_min;
	61	u16 n_max;
	62	u16 r_min;
	63	u16 r_max; /* r_max < 32 */
	64	u32 f_vco_min;
65	u32 f_vco_max;
66	u32 f_base;
67	};
68
69
70	/* Write a value to the attribute register */
71
72	static inline void svga_wattr(u8 index, u8 data)
73	{
74	inb(0x3DA);
75	outb(index, 0x3C0);
76	outb(data, 0x3C0);
77	}
78
79	/* Write a value to a sequence register with a mask */
80
81	static inline void svga_wseq_mask(u8 index, u8 data, u8 mask)
82	{
83	vga_wseq(NULL, index, (data & mask) \| (vga_rseq(NULL, index) & ~mask));
84	}
85
86	/* Write a value to a CRT register with a mask */
87
88	static inline void svga_wcrt_mask(u8 index, u8 data, u8 mask)
89	{
90	vga_wcrt(NULL, index, (data & mask) \| (vga_rcrt(NULL, index) & ~mask));
91	}
92
93	static inline int svga_primary_device(struct pci_dev *dev)
94	{
95	u16 flags;
96	pci_read_config_word(dev, PCI_COMMAND, &flags);
97	return (flags & PCI_COMMAND_IO);
98	}
99
100
101	void svga_wcrt_multi(const struct vga_regset *regset, u32 value);
102	void svga_wseq_multi(const struct vga_regset *regset, u32 value);
103
104	void svga_set_default_gfx_regs(void);
105	void svga_set_default_atc_regs(void);
106	void svga_set_default_seq_regs(void);
107	void svga_set_default_crt_regs(void);
108	void svga_set_textmode_vga_regs(void);
109
110	void svga_settile(struct fb_info info, struct fb_tilemap map);
111	void svga_tilecopy(struct fb_info info, struct fb_tilearea area);
112	void svga_tilefill(struct fb_info info, struct fb_tilerect rect);
113	void svga_tileblit(struct fb_info info, struct fb_tileblit blit);
114	void svga_tilecursor(struct fb_info info, struct fb_tilecursor cursor);
34ed25f5	115	int svga_get_tilemax(struct fb_info *info);
5a87ede9 AD	116	void svga_get_caps(struct fb_info info, struct fb_blit_caps caps,
5a87ede9 AD	117	struct fb_var_screeninfo *var);
a268422d OZ	118
	119	int svga_compute_pll(const struct svga_pll pll, u32 f_wanted, u16 m, u16 n, u16 r, int node);
	120	int svga_check_timings(const struct svga_timing_regs tm, struct fb_var_screeninfo var, int node);
	121	void svga_set_timings(const struct svga_timing_regs tm, struct fb_var_screeninfo var, u32 hmul, u32 hdiv, u32 vmul, u32 vdiv, u32 hborder, int node);
	122
	123	int svga_match_format(const struct svga_fb_format frm, struct fb_var_screeninfo var, struct fb_fix_screeninfo *fix);
	124
	125	#endif /* __KERNEL__ */
	126	#endif /* _LINUX_SVGA_H */
	127