drivers/video/savage/savagefb.h - linux - Git at Google

 /*
  * linux/drivers/video/savagefb.h -- S3 Savage Framebuffer Driver
  *
  * Copyright (c) 2001  Denis Oliver Kropp <dok@convergence.de>
  *
  * This file is subject to the terms and conditions of the GNU General
  * Public License.  See the file COPYING in the main directory of this
  * archive for more details.
  */


 #ifndef __SAVAGEFB_H__
 #define __SAVAGEFB_H__

 #include <linux/i2c.h>
 #include <linux/i2c-id.h>
 #include <linux/i2c-algo-bit.h>
 #include "../edid.h"

 #ifdef SAVAGEFB_DEBUG
 # define DBG(x)		printk (KERN_DEBUG "savagefb: %s\n", (x));
 #else
 # define DBG(x)
 # define SavagePrintRegs(...)
 #endif


 #define PCI_CHIP_SAVAGE4      0x8a22
 #define PCI_CHIP_SAVAGE3D     0x8a20
 #define PCI_CHIP_SAVAGE3D_MV  0x8a21
 #define PCI_CHIP_SAVAGE2000   0x9102
 #define PCI_CHIP_SAVAGE_MX_MV 0x8c10
 #define PCI_CHIP_SAVAGE_MX    0x8c11
 #define PCI_CHIP_SAVAGE_IX_MV 0x8c12
 #define PCI_CHIP_SAVAGE_IX    0x8c13
 #define PCI_CHIP_PROSAVAGE_PM 0x8a25
 #define PCI_CHIP_PROSAVAGE_KM 0x8a26
  /* Twister is a code name; hope I get the real name soon. */
 #define PCI_CHIP_S3TWISTER_P  0x8d01
 #define PCI_CHIP_S3TWISTER_K  0x8d02
 #define PCI_CHIP_PROSAVAGE_DDR          0x8d03
 #define PCI_CHIP_PROSAVAGE_DDRK         0x8d04
 #define PCI_CHIP_SUPSAV_MX128		0x8c22
 #define PCI_CHIP_SUPSAV_MX64		0x8c24
 #define PCI_CHIP_SUPSAV_MX64C		0x8c26
 #define PCI_CHIP_SUPSAV_IX128SDR	0x8c2a
 #define PCI_CHIP_SUPSAV_IX128DDR	0x8c2b
 #define PCI_CHIP_SUPSAV_IX64SDR		0x8c2c
 #define PCI_CHIP_SUPSAV_IX64DDR		0x8c2d
 #define PCI_CHIP_SUPSAV_IXCSDR		0x8c2e
 #define PCI_CHIP_SUPSAV_IXCDDR		0x8c2f


 #define S3_SAVAGE3D_SERIES(chip)  ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX))

 #define S3_SAVAGE4_SERIES(chip)   ((chip==S3_SAVAGE4) || (chip==S3_PROSAVAGE))

 #define S3_SAVAGE_MOBILE_SERIES(chip)  ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE))

 #define S3_SAVAGE_SERIES(chip)    ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000))

 /* Chip tags.  These are used to group the adapters into
  * related families.
  */

 typedef enum {
   S3_UNKNOWN = 0,
   S3_SAVAGE3D,
   S3_SAVAGE_MX,
   S3_SAVAGE4,
   S3_PROSAVAGE,
   S3_SUPERSAVAGE,
   S3_SAVAGE2000,
   S3_LAST
 } savage_chipset;

 #define BIOS_BSIZE		     1024
 #define BIOS_BASE		     0xc0000

 #define SAVAGE_NEWMMIO_REGBASE_S3    0x1000000  /* 16MB */
 #define SAVAGE_NEWMMIO_REGBASE_S4    0x0000000
 #define SAVAGE_NEWMMIO_REGSIZE	     0x0080000  /* 512kb */
 #define SAVAGE_NEWMMIO_VGABASE	     0x8000

 #define BASE_FREQ		     14318
 #define HALF_BASE_FREQ               7159

 #define FIFO_CONTROL_REG	     0x8200
 #define MIU_CONTROL_REG		     0x8204
 #define STREAMS_TIMEOUT_REG	     0x8208
 #define MISC_TIMEOUT_REG	     0x820c

 #define MONO_PAT_0                   0xa4e8
 #define MONO_PAT_1                   0xa4ec

 #define MAXFIFO                      0x7f00

 #define BCI_CMD_NOP                  0x40000000
 #define BCI_CMD_SETREG               0x96000000
 #define BCI_CMD_RECT                 0x48000000
 #define BCI_CMD_RECT_XP              0x01000000
 #define BCI_CMD_RECT_YP              0x02000000
 #define BCI_CMD_SEND_COLOR           0x00008000
 #define BCI_CMD_DEST_GBD             0x00000000
 #define BCI_CMD_SRC_GBD              0x00000020
 #define BCI_CMD_SRC_SOLID            0x00000000
 #define BCI_CMD_SRC_MONO             0x00000060
 #define BCI_CMD_CLIP_NEW             0x00006000
 #define BCI_CMD_CLIP_LR              0x00004000

 #define BCI_CLIP_LR(l, r)            ((((r) << 16) | (l)) & 0x0FFF0FFF)
 #define BCI_CLIP_TL(t, l)            ((((t) << 16) | (l)) & 0x0FFF0FFF)
 #define BCI_CLIP_BR(b, r)            ((((b) << 16) | (r)) & 0x0FFF0FFF)
 #define BCI_W_H(w, h)                (((h) << 16) | ((w) & 0xFFF))
 #define BCI_X_Y(x, y)                (((y) << 16) | ((x) & 0xFFF))

 #define BCI_GBD1                     0xE0
 #define BCI_GBD2                     0xE1

 #define BCI_BUFFER_OFFSET            0x10000
 #define BCI_SIZE                     0x4000

 #define BCI_SEND(dw)                 writel(dw, par->bci_base + par->bci_ptr++)

 #define BCI_CMD_GET_ROP(cmd)         (((cmd) >> 16) & 0xFF)
 #define BCI_CMD_SET_ROP(cmd, rop)    ((cmd) |= ((rop & 0xFF) << 16))
 #define BCI_CMD_SEND_COLOR           0x00008000

 #define DISP_CRT     1
 #define DISP_LCD     2
 #define DISP_DFP     3

 struct xtimings {
 	unsigned int Clock;
 	unsigned int HDisplay;
 	unsigned int HSyncStart;
 	unsigned int HSyncEnd;
 	unsigned int HTotal;
 	unsigned int HAdjusted;
 	unsigned int VDisplay;
 	unsigned int VSyncStart;
 	unsigned int VSyncEnd;
 	unsigned int VTotal;
 	unsigned int sync;
 	int	       dblscan;
 	int	       interlaced;
 };


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

 #define NR_PALETTE	256


 struct savagefb_par;

 struct savagefb_i2c_chan {
 	struct savagefb_par *par;
 	struct i2c_adapter adapter;
 	struct i2c_algo_bit_data algo;
 	volatile u8 __iomem *ioaddr;
 	u32   reg;
 };

 struct savagefb_par {
 	struct pci_dev *pcidev;
 	savage_chipset  chip;
 	struct savagefb_i2c_chan chan;
 	unsigned char   *edid;
 	u32 pseudo_palette[16];
 	int paletteEnabled;
 	int pm_state;
 	int display_type;
 	int dvi;
 	int crtonly;
 	int dacSpeedBpp;
 	int maxClock;
 	int minClock;
 	int numClocks;
 	int clock[4];
 	struct {
 		u8   __iomem *vbase;
 		u32    pbase;
 		u32    len;
 #ifdef CONFIG_MTRR
 		int    mtrr;
 #endif
 	} video;

 	struct {
 		volatile u8  __iomem *vbase;
 		u32           pbase;
 		u32           len;
 	} mmio;

 	volatile u32  __iomem *bci_base;
 	unsigned int  bci_ptr;

 	u32           cob_offset;
 	u32           cob_size;
 	int           cob_index;

 	void (*SavageWaitIdle) (struct savagefb_par *par);
 	void (*SavageWaitFifo) (struct savagefb_par *par, int space);

 	int MCLK, REFCLK, LCDclk;
 	int HorizScaleFactor;

 	/* Panels size */
 	int SavagePanelWidth;
 	int SavagePanelHeight;

 	struct {
 		u16 red, green, blue, transp;
 	} palette[NR_PALETTE];

 	int depth;
 	int vwidth;

 	unsigned char MiscOutReg;     /* Misc */
 	unsigned char CRTC[25];       /* Crtc Controller */
 	unsigned char Sequencer[5];   /* Video Sequencer */
 	unsigned char Graphics[9];    /* Video Graphics */
 	unsigned char Attribute[21];  /* Video Atribute */

 	unsigned int mode, refresh;
 	unsigned char SR08, SR0E, SR0F;
 	unsigned char SR10, SR11, SR12, SR13, SR15, SR18, SR29, SR30;
 	unsigned char SR54[8];
 	unsigned char Clock;
 	unsigned char CR31, CR32, CR33, CR34, CR36, CR3A, CR3B, CR3C;
 	unsigned char CR40, CR41, CR42, CR43, CR45;
 	unsigned char CR50, CR51, CR53, CR55, CR58, CR5B, CR5D, CR5E;
 	unsigned char CR60, CR63, CR65, CR66, CR67, CR68, CR69, CR6D, CR6F;
 	unsigned char CR86, CR88;
 	unsigned char CR90, CR91, CRB0;
 	unsigned int  STREAMS[22];	/* yuck, streams regs */
 	unsigned int  MMPR0, MMPR1, MMPR2, MMPR3;
 };

 #define BCI_BD_BW_DISABLE            0x10000000
 #define BCI_BD_SET_BPP(bd, bpp)      ((bd) |= (((bpp) & 0xFF) << 16))
 #define BCI_BD_SET_STRIDE(bd, st)    ((bd) |= ((st) & 0xFFFF))


 /* IO functions */
 static inline u8 savage_in8(u32 addr, struct savagefb_par *par)
 {
 	return readb(par->mmio.vbase + addr);
 }

 static inline u16 savage_in16(u32 addr, struct savagefb_par *par)
 {
 	return readw(par->mmio.vbase + addr);
 }

 static inline u32 savage_in32(u32 addr, struct savagefb_par *par)
 {
 	return readl(par->mmio.vbase + addr);
 }

 static inline void savage_out8(u32 addr, u8 val, struct savagefb_par *par)
 {
 	writeb(val, par->mmio.vbase + addr);
 }

 static inline void savage_out16(u32 addr, u16 val, struct savagefb_par *par)
 {
 	writew(val, par->mmio.vbase + addr);
 }

 static inline void savage_out32(u32 addr, u32 val, struct savagefb_par *par)
 {
 	writel(val, par->mmio.vbase + addr);
 }

 static inline u8 vga_in8(int addr, struct savagefb_par *par)
 {
 	return savage_in8(0x8000 + addr, par);
 }

 static inline u16 vga_in16(int addr, struct savagefb_par *par)
 {
 	return savage_in16(0x8000 + addr, par);
 }

 static inline u8 vga_in32(int addr, struct savagefb_par *par)
 {
 	return savage_in32(0x8000 + addr, par);
 }

 static inline void vga_out8(int addr, u8 val, struct savagefb_par *par)
 {
 	savage_out8(0x8000 + addr, val, par);
 }

 static inline void vga_out16(int addr, u16 val, struct savagefb_par *par)
 {
 	savage_out16(0x8000 + addr, val, par);
 }

 static inline void vga_out32(int addr, u32 val, struct savagefb_par *par)
 {
 	savage_out32(0x8000 + addr, val, par);
 }

 static inline u8 VGArCR (u8 index, struct savagefb_par *par)
 {
 	vga_out8(0x3d4, index,  par);
 	return vga_in8(0x3d5, par);
 }

 static inline u8 VGArGR (u8 index, struct savagefb_par *par)
 {
 	vga_out8(0x3ce, index, par);
 	return vga_in8(0x3cf, par);
 }

 static inline u8 VGArSEQ (u8 index, struct savagefb_par *par)
 {
 	vga_out8(0x3c4, index, par);
 	return vga_in8(0x3c5, par);
 }

 static inline void VGAwCR(u8 index, u8 val, struct savagefb_par *par)
 {
 	vga_out8(0x3d4, index, par);
 	vga_out8(0x3d5, val, par);
 }

 static inline void VGAwGR(u8 index, u8 val, struct savagefb_par *par)
 {
 	vga_out8(0x3ce, index, par);
 	vga_out8(0x3cf, val, par);
 }

 static inline void VGAwSEQ(u8 index, u8 val, struct savagefb_par *par)
 {
 	vga_out8(0x3c4, index, par);
 	vga_out8 (0x3c5, val, par);
 }

 static inline void VGAenablePalette(struct savagefb_par *par)
 {
 	u8 tmp;

 	tmp = vga_in8(0x3da, par);
 	vga_out8(0x3c0, 0x00, par);
 	par->paletteEnabled = 1;
 }

 static inline void VGAdisablePalette(struct savagefb_par *par)
 {
 	u8 tmp;

 	tmp = vga_in8(0x3da, par);
 	vga_out8(0x3c0, 0x20, par);
 	par->paletteEnabled = 0;
 }

 static inline void VGAwATTR(u8 index, u8 value, struct savagefb_par *par)
 {
 	u8 tmp;

 	if (par->paletteEnabled)
 		index &= ~0x20;
 	else
 		index |= 0x20;

 	tmp = vga_in8(0x3da, par);
 	vga_out8(0x3c0, index, par);
 	vga_out8 (0x3c0, value, par);
 }

 static inline void VGAwMISC(u8 value, struct savagefb_par *par)
 {
 	vga_out8(0x3c2, value, par);
 }

 #ifndef CONFIG_FB_SAVAGE_ACCEL
 #define savagefb_set_clip(x)
 #endif

 static inline void VerticalRetraceWait(struct savagefb_par *par)
 {
 	vga_out8(0x3d4, 0x17, par);
 	if (vga_in8(0x3d5, par) & 0x80) {
 		while ((vga_in8(0x3da, par) & 0x08) == 0x08);
 		while ((vga_in8(0x3da, par) & 0x08) == 0x00);
 	}
 }

 extern int savagefb_probe_i2c_connector(struct fb_info *info,
 					u8 **out_edid);
 extern void savagefb_create_i2c_busses(struct fb_info *info);
 extern void savagefb_delete_i2c_busses(struct fb_info *info);
 extern int  savagefb_sync(struct fb_info *info);
 extern void savagefb_copyarea(struct fb_info *info,
 			      const struct fb_copyarea *region);
 extern void savagefb_fillrect(struct fb_info *info,
 			      const struct fb_fillrect *rect);
 extern void savagefb_imageblit(struct fb_info *info,
 			       const struct fb_image *image);


 #endif /* __SAVAGEFB_H__ */
	/*
	* linux/drivers/video/savagefb.h -- S3 Savage Framebuffer Driver
	*
	* Copyright (c) 2001 Denis Oliver Kropp <dok@convergence.de>
	*
	* This file is subject to the terms and conditions of the GNU General
	* Public License. See the file COPYING in the main directory of this
	* archive for more details.
	*/


	#ifndef __SAVAGEFB_H__
	#define __SAVAGEFB_H__

	#include <linux/i2c.h>
	#include <linux/i2c-id.h>
	#include <linux/i2c-algo-bit.h>
	#include "../edid.h"

	#ifdef SAVAGEFB_DEBUG
	# define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x));
	#else
	# define DBG(x)
	# define SavagePrintRegs(...)
	#endif


	#define PCI_CHIP_SAVAGE4 0x8a22
	#define PCI_CHIP_SAVAGE3D 0x8a20
	#define PCI_CHIP_SAVAGE3D_MV 0x8a21
	#define PCI_CHIP_SAVAGE2000 0x9102
	#define PCI_CHIP_SAVAGE_MX_MV 0x8c10
	#define PCI_CHIP_SAVAGE_MX 0x8c11
	#define PCI_CHIP_SAVAGE_IX_MV 0x8c12
	#define PCI_CHIP_SAVAGE_IX 0x8c13
	#define PCI_CHIP_PROSAVAGE_PM 0x8a25
	#define PCI_CHIP_PROSAVAGE_KM 0x8a26
	/* Twister is a code name; hope I get the real name soon. */
	#define PCI_CHIP_S3TWISTER_P 0x8d01
	#define PCI_CHIP_S3TWISTER_K 0x8d02
	#define PCI_CHIP_PROSAVAGE_DDR 0x8d03
	#define PCI_CHIP_PROSAVAGE_DDRK 0x8d04
	#define PCI_CHIP_SUPSAV_MX128 0x8c22
	#define PCI_CHIP_SUPSAV_MX64 0x8c24
	#define PCI_CHIP_SUPSAV_MX64C 0x8c26
	#define PCI_CHIP_SUPSAV_IX128SDR 0x8c2a
	#define PCI_CHIP_SUPSAV_IX128DDR 0x8c2b
	#define PCI_CHIP_SUPSAV_IX64SDR 0x8c2c
	#define PCI_CHIP_SUPSAV_IX64DDR 0x8c2d
	#define PCI_CHIP_SUPSAV_IXCSDR 0x8c2e
	#define PCI_CHIP_SUPSAV_IXCDDR 0x8c2f



	#define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX))

	#define S3_SAVAGE4_SERIES(chip) ((chip==S3_SAVAGE4) \|\| (chip==S3_PROSAVAGE))

	#define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) \|\| (chip==S3_SUPERSAVAGE))

	#define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000))

	/* Chip tags. These are used to group the adapters into
	* related families.
	*/

	typedef enum {
	S3_UNKNOWN = 0,
	S3_SAVAGE3D,
	S3_SAVAGE_MX,
	S3_SAVAGE4,
	S3_PROSAVAGE,
	S3_SUPERSAVAGE,
	S3_SAVAGE2000,
	S3_LAST
	} savage_chipset;

	#define BIOS_BSIZE 1024
	#define BIOS_BASE 0xc0000

	#define SAVAGE_NEWMMIO_REGBASE_S3 0x1000000 /* 16MB */
	#define SAVAGE_NEWMMIO_REGBASE_S4 0x0000000
	#define SAVAGE_NEWMMIO_REGSIZE 0x0080000 /* 512kb */
	#define SAVAGE_NEWMMIO_VGABASE 0x8000

	#define BASE_FREQ 14318
	#define HALF_BASE_FREQ 7159

	#define FIFO_CONTROL_REG 0x8200
	#define MIU_CONTROL_REG 0x8204
	#define STREAMS_TIMEOUT_REG 0x8208
	#define MISC_TIMEOUT_REG 0x820c

	#define MONO_PAT_0 0xa4e8
	#define MONO_PAT_1 0xa4ec

	#define MAXFIFO 0x7f00

	#define BCI_CMD_NOP 0x40000000
	#define BCI_CMD_SETREG 0x96000000
	#define BCI_CMD_RECT 0x48000000
	#define BCI_CMD_RECT_XP 0x01000000
	#define BCI_CMD_RECT_YP 0x02000000
	#define BCI_CMD_SEND_COLOR 0x00008000
	#define BCI_CMD_DEST_GBD 0x00000000
	#define BCI_CMD_SRC_GBD 0x00000020
	#define BCI_CMD_SRC_SOLID 0x00000000
	#define BCI_CMD_SRC_MONO 0x00000060
	#define BCI_CMD_CLIP_NEW 0x00006000
	#define BCI_CMD_CLIP_LR 0x00004000

	#define BCI_CLIP_LR(l, r) ((((r) << 16) \| (l)) & 0x0FFF0FFF)
	#define BCI_CLIP_TL(t, l) ((((t) << 16) \| (l)) & 0x0FFF0FFF)
	#define BCI_CLIP_BR(b, r) ((((b) << 16) \| (r)) & 0x0FFF0FFF)
	#define BCI_W_H(w, h) (((h) << 16) \| ((w) & 0xFFF))
	#define BCI_X_Y(x, y) (((y) << 16) \| ((x) & 0xFFF))

	#define BCI_GBD1 0xE0
	#define BCI_GBD2 0xE1

	#define BCI_BUFFER_OFFSET 0x10000
	#define BCI_SIZE 0x4000

	#define BCI_SEND(dw) writel(dw, par->bci_base + par->bci_ptr++)

	#define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF)
	#define BCI_CMD_SET_ROP(cmd, rop) ((cmd) \|= ((rop & 0xFF) << 16))
	#define BCI_CMD_SEND_COLOR 0x00008000

	#define DISP_CRT 1
	#define DISP_LCD 2
	#define DISP_DFP 3

	struct xtimings {
	unsigned int Clock;
	unsigned int HDisplay;
	unsigned int HSyncStart;
	unsigned int HSyncEnd;
	unsigned int HTotal;
	unsigned int HAdjusted;
	unsigned int VDisplay;
	unsigned int VSyncStart;
	unsigned int VSyncEnd;
	unsigned int VTotal;
	unsigned int sync;
	int dblscan;
	int interlaced;
	};


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

	#define NR_PALETTE 256


	struct savagefb_par;

	struct savagefb_i2c_chan {
	struct savagefb_par *par;
	struct i2c_adapter adapter;
	struct i2c_algo_bit_data algo;
	volatile u8 __iomem *ioaddr;
	u32 reg;
	};

	struct savagefb_par {
	struct pci_dev *pcidev;
	savage_chipset chip;
	struct savagefb_i2c_chan chan;
	unsigned char *edid;
	u32 pseudo_palette[16];
	int paletteEnabled;
	int pm_state;
	int display_type;
	int dvi;
	int crtonly;
	int dacSpeedBpp;
	int maxClock;
	int minClock;
	int numClocks;
	int clock[4];
	struct {
	u8 __iomem *vbase;
	u32 pbase;
	u32 len;
	#ifdef CONFIG_MTRR
	int mtrr;
	#endif
	} video;

	struct {
	volatile u8 __iomem *vbase;
	u32 pbase;
	u32 len;
	} mmio;

	volatile u32 __iomem *bci_base;
	unsigned int bci_ptr;

	u32 cob_offset;
	u32 cob_size;
	int cob_index;

	void (SavageWaitIdle) (struct savagefb_par par);
	void (SavageWaitFifo) (struct savagefb_par par, int space);

	int MCLK, REFCLK, LCDclk;
	int HorizScaleFactor;

	/* Panels size */
	int SavagePanelWidth;
	int SavagePanelHeight;

	struct {
	u16 red, green, blue, transp;
	} palette[NR_PALETTE];

	int depth;
	int vwidth;

	unsigned char MiscOutReg; /* Misc */
	unsigned char CRTC[25]; /* Crtc Controller */
	unsigned char Sequencer[5]; /* Video Sequencer */
	unsigned char Graphics[9]; /* Video Graphics */
	unsigned char Attribute[21]; /* Video Atribute */

	unsigned int mode, refresh;
	unsigned char SR08, SR0E, SR0F;
	unsigned char SR10, SR11, SR12, SR13, SR15, SR18, SR29, SR30;
	unsigned char SR54[8];
	unsigned char Clock;
	unsigned char CR31, CR32, CR33, CR34, CR36, CR3A, CR3B, CR3C;
	unsigned char CR40, CR41, CR42, CR43, CR45;
	unsigned char CR50, CR51, CR53, CR55, CR58, CR5B, CR5D, CR5E;
	unsigned char CR60, CR63, CR65, CR66, CR67, CR68, CR69, CR6D, CR6F;
	unsigned char CR86, CR88;
	unsigned char CR90, CR91, CRB0;
	unsigned int STREAMS[22]; /* yuck, streams regs */
	unsigned int MMPR0, MMPR1, MMPR2, MMPR3;
	};

	#define BCI_BD_BW_DISABLE 0x10000000
	#define BCI_BD_SET_BPP(bd, bpp) ((bd) \|= (((bpp) & 0xFF) << 16))
	#define BCI_BD_SET_STRIDE(bd, st) ((bd) \|= ((st) & 0xFFFF))


	/* IO functions */
	static inline u8 savage_in8(u32 addr, struct savagefb_par *par)
	{
	return readb(par->mmio.vbase + addr);
	}

	static inline u16 savage_in16(u32 addr, struct savagefb_par *par)
	{
	return readw(par->mmio.vbase + addr);
	}

	static inline u32 savage_in32(u32 addr, struct savagefb_par *par)
	{
	return readl(par->mmio.vbase + addr);
	}

	static inline void savage_out8(u32 addr, u8 val, struct savagefb_par *par)
	{
	writeb(val, par->mmio.vbase + addr);
	}

	static inline void savage_out16(u32 addr, u16 val, struct savagefb_par *par)
	{
	writew(val, par->mmio.vbase + addr);
	}

	static inline void savage_out32(u32 addr, u32 val, struct savagefb_par *par)
	{
	writel(val, par->mmio.vbase + addr);
	}

	static inline u8 vga_in8(int addr, struct savagefb_par *par)
	{
	return savage_in8(0x8000 + addr, par);
	}

	static inline u16 vga_in16(int addr, struct savagefb_par *par)
	{
	return savage_in16(0x8000 + addr, par);
	}

	static inline u8 vga_in32(int addr, struct savagefb_par *par)
	{
	return savage_in32(0x8000 + addr, par);
	}

	static inline void vga_out8(int addr, u8 val, struct savagefb_par *par)
	{
	savage_out8(0x8000 + addr, val, par);
	}

	static inline void vga_out16(int addr, u16 val, struct savagefb_par *par)
	{
	savage_out16(0x8000 + addr, val, par);
	}

	static inline void vga_out32(int addr, u32 val, struct savagefb_par *par)
	{
	savage_out32(0x8000 + addr, val, par);
	}

	static inline u8 VGArCR (u8 index, struct savagefb_par *par)
	{
	vga_out8(0x3d4, index, par);
	return vga_in8(0x3d5, par);
	}

	static inline u8 VGArGR (u8 index, struct savagefb_par *par)
	{
	vga_out8(0x3ce, index, par);
	return vga_in8(0x3cf, par);
	}

	static inline u8 VGArSEQ (u8 index, struct savagefb_par *par)
	{
	vga_out8(0x3c4, index, par);
	return vga_in8(0x3c5, par);
	}

	static inline void VGAwCR(u8 index, u8 val, struct savagefb_par *par)
	{
	vga_out8(0x3d4, index, par);
	vga_out8(0x3d5, val, par);
	}

	static inline void VGAwGR(u8 index, u8 val, struct savagefb_par *par)
	{
	vga_out8(0x3ce, index, par);
	vga_out8(0x3cf, val, par);
	}

	static inline void VGAwSEQ(u8 index, u8 val, struct savagefb_par *par)
	{
	vga_out8(0x3c4, index, par);
	vga_out8 (0x3c5, val, par);
	}

	static inline void VGAenablePalette(struct savagefb_par *par)
	{
	u8 tmp;

	tmp = vga_in8(0x3da, par);
	vga_out8(0x3c0, 0x00, par);
	par->paletteEnabled = 1;
	}

	static inline void VGAdisablePalette(struct savagefb_par *par)
	{
	u8 tmp;

	tmp = vga_in8(0x3da, par);
	vga_out8(0x3c0, 0x20, par);
	par->paletteEnabled = 0;
	}

	static inline void VGAwATTR(u8 index, u8 value, struct savagefb_par *par)
	{
	u8 tmp;

	if (par->paletteEnabled)
	index &= ~0x20;
	else
	index \|= 0x20;

	tmp = vga_in8(0x3da, par);
	vga_out8(0x3c0, index, par);
	vga_out8 (0x3c0, value, par);
	}

	static inline void VGAwMISC(u8 value, struct savagefb_par *par)
	{
	vga_out8(0x3c2, value, par);
	}

	#ifndef CONFIG_FB_SAVAGE_ACCEL
	#define savagefb_set_clip(x)
	#endif

	static inline void VerticalRetraceWait(struct savagefb_par *par)
	{
	vga_out8(0x3d4, 0x17, par);
	if (vga_in8(0x3d5, par) & 0x80) {
	while ((vga_in8(0x3da, par) & 0x08) == 0x08);
	while ((vga_in8(0x3da, par) & 0x08) == 0x00);
	}
	}

	extern int savagefb_probe_i2c_connector(struct fb_info *info,
	u8 **out_edid);
	extern void savagefb_create_i2c_busses(struct fb_info *info);
	extern void savagefb_delete_i2c_busses(struct fb_info *info);
	extern int savagefb_sync(struct fb_info *info);
	extern void savagefb_copyarea(struct fb_info *info,
	const struct fb_copyarea *region);
	extern void savagefb_fillrect(struct fb_info *info,
	const struct fb_fillrect *rect);
	extern void savagefb_imageblit(struct fb_info *info,
	const struct fb_image *image);


	#endif /* __SAVAGEFB_H__ */