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* linux/drivers/video/savagefb.h -- S3 Savage Framebuffer Driver
* Copyright (c) 2001 Denis Oliver Kropp <>
* 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"
# define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x));
# define DBG(x)
# define SavagePrintRegs(...)
#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_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 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 {
} 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 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;
struct savage_reg {
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 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;
struct savage_reg state;
struct savage_reg save;
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;
int mtrr;
} 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 HorizScaleFactor;
/* Panels size */
int SavagePanelWidth;
int SavagePanelHeight;
struct {
u16 red, green, blue, transp;
} palette[NR_PALETTE];
int depth;
int vwidth;
#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;
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);
#define savagefb_set_clip(x)
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__ */