1 /* 2 * linux/drivers/video/savagefb.h -- S3 Savage Framebuffer Driver 3 * 4 * Copyright (c) 2001 Denis Oliver Kropp <dok@convergence.de> 5 * 6 * This file is subject to the terms and conditions of the GNU General 7 * Public License. See the file COPYING in the main directory of this 8 * archive for more details. 9 */ 10 11 12 #ifndef __SAVAGEFB_H__ 13 #define __SAVAGEFB_H__ 14 15 #include <linux/i2c.h> 16 #include <linux/i2c-algo-bit.h> 17 #include <linux/mutex.h> 18 #include <video/vga.h> 19 #include "../edid.h" 20 21 #ifdef SAVAGEFB_DEBUG 22 # define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x)); 23 #else 24 # define DBG(x) 25 # define SavagePrintRegs(...) 26 #endif 27 28 29 #define PCI_CHIP_SAVAGE4 0x8a22 30 #define PCI_CHIP_SAVAGE3D 0x8a20 31 #define PCI_CHIP_SAVAGE3D_MV 0x8a21 32 #define PCI_CHIP_SAVAGE2000 0x9102 33 #define PCI_CHIP_SAVAGE_MX_MV 0x8c10 34 #define PCI_CHIP_SAVAGE_MX 0x8c11 35 #define PCI_CHIP_SAVAGE_IX_MV 0x8c12 36 #define PCI_CHIP_SAVAGE_IX 0x8c13 37 #define PCI_CHIP_PROSAVAGE_PM 0x8a25 38 #define PCI_CHIP_PROSAVAGE_KM 0x8a26 39 #define PCI_CHIP_S3TWISTER_P 0x8d01 40 #define PCI_CHIP_S3TWISTER_K 0x8d02 41 #define PCI_CHIP_PROSAVAGE_DDR 0x8d03 42 #define PCI_CHIP_PROSAVAGE_DDRK 0x8d04 43 #define PCI_CHIP_SUPSAV_MX128 0x8c22 44 #define PCI_CHIP_SUPSAV_MX64 0x8c24 45 #define PCI_CHIP_SUPSAV_MX64C 0x8c26 46 #define PCI_CHIP_SUPSAV_IX128SDR 0x8c2a 47 #define PCI_CHIP_SUPSAV_IX128DDR 0x8c2b 48 #define PCI_CHIP_SUPSAV_IX64SDR 0x8c2c 49 #define PCI_CHIP_SUPSAV_IX64DDR 0x8c2d 50 #define PCI_CHIP_SUPSAV_IXCSDR 0x8c2e 51 #define PCI_CHIP_SUPSAV_IXCDDR 0x8c2f 52 53 54 #define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000)) 55 56 #define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX)) 57 58 #define S3_SAVAGE4_SERIES(chip) ((chip>=S3_SAVAGE4) && (chip<=S3_PROSAVAGEDDR)) 59 60 #define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE)) 61 62 #define S3_MOBILE_TWISTER_SERIES(chip) ((chip==S3_TWISTER) || (chip==S3_PROSAVAGEDDR)) 63 64 /* Chip tags. These are used to group the adapters into 65 * related families. 66 */ 67 68 typedef enum { 69 S3_UNKNOWN = 0, 70 S3_SAVAGE3D, 71 S3_SAVAGE_MX, 72 S3_SAVAGE4, 73 S3_PROSAVAGE, 74 S3_TWISTER, 75 S3_PROSAVAGEDDR, 76 S3_SUPERSAVAGE, 77 S3_SAVAGE2000, 78 S3_LAST 79 } savage_chipset; 80 81 #define BIOS_BSIZE 1024 82 #define BIOS_BASE 0xc0000 83 84 #define SAVAGE_NEWMMIO_REGBASE_S3 0x1000000 /* 16MB */ 85 #define SAVAGE_NEWMMIO_REGBASE_S4 0x0000000 86 #define SAVAGE_NEWMMIO_REGSIZE 0x0080000 /* 512kb */ 87 #define SAVAGE_NEWMMIO_VGABASE 0x8000 88 89 #define BASE_FREQ 14318 90 #define HALF_BASE_FREQ 7159 91 92 #define FIFO_CONTROL_REG 0x8200 93 #define MIU_CONTROL_REG 0x8204 94 #define STREAMS_TIMEOUT_REG 0x8208 95 #define MISC_TIMEOUT_REG 0x820c 96 97 #define MONO_PAT_0 0xa4e8 98 #define MONO_PAT_1 0xa4ec 99 100 #define MAXFIFO 0x7f00 101 102 #define BCI_CMD_NOP 0x40000000 103 #define BCI_CMD_SETREG 0x96000000 104 #define BCI_CMD_RECT 0x48000000 105 #define BCI_CMD_RECT_XP 0x01000000 106 #define BCI_CMD_RECT_YP 0x02000000 107 #define BCI_CMD_SEND_COLOR 0x00008000 108 #define BCI_CMD_DEST_GBD 0x00000000 109 #define BCI_CMD_SRC_GBD 0x00000020 110 #define BCI_CMD_SRC_SOLID 0x00000000 111 #define BCI_CMD_SRC_MONO 0x00000060 112 #define BCI_CMD_CLIP_NEW 0x00006000 113 #define BCI_CMD_CLIP_LR 0x00004000 114 115 #define BCI_CLIP_LR(l, r) ((((r) << 16) | (l)) & 0x0FFF0FFF) 116 #define BCI_CLIP_TL(t, l) ((((t) << 16) | (l)) & 0x0FFF0FFF) 117 #define BCI_CLIP_BR(b, r) ((((b) << 16) | (r)) & 0x0FFF0FFF) 118 #define BCI_W_H(w, h) (((h) << 16) | ((w) & 0xFFF)) 119 #define BCI_X_Y(x, y) (((y) << 16) | ((x) & 0xFFF)) 120 121 #define BCI_GBD1 0xE0 122 #define BCI_GBD2 0xE1 123 124 #define BCI_BUFFER_OFFSET 0x10000 125 #define BCI_SIZE 0x4000 126 127 #define BCI_SEND(dw) writel(dw, par->bci_base + par->bci_ptr++) 128 129 #define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF) 130 #define BCI_CMD_SET_ROP(cmd, rop) ((cmd) |= ((rop & 0xFF) << 16)) 131 #define BCI_CMD_SEND_COLOR 0x00008000 132 133 #define DISP_CRT 1 134 #define DISP_LCD 2 135 #define DISP_DFP 3 136 137 struct xtimings { 138 unsigned int Clock; 139 unsigned int HDisplay; 140 unsigned int HSyncStart; 141 unsigned int HSyncEnd; 142 unsigned int HTotal; 143 unsigned int HAdjusted; 144 unsigned int VDisplay; 145 unsigned int VSyncStart; 146 unsigned int VSyncEnd; 147 unsigned int VTotal; 148 unsigned int sync; 149 int dblscan; 150 int interlaced; 151 }; 152 153 struct savage_reg { 154 unsigned char MiscOutReg; /* Misc */ 155 unsigned char CRTC[25]; /* Crtc Controller */ 156 unsigned char Sequencer[5]; /* Video Sequencer */ 157 unsigned char Graphics[9]; /* Video Graphics */ 158 unsigned char Attribute[21]; /* Video Attribute */ 159 160 unsigned int mode, refresh; 161 unsigned char SR08, SR0E, SR0F; 162 unsigned char SR10, SR11, SR12, SR13, SR15, SR18, SR29, SR30; 163 unsigned char SR54[8]; 164 unsigned char Clock; 165 unsigned char CR31, CR32, CR33, CR34, CR36, CR3A, CR3B, CR3C; 166 unsigned char CR40, CR41, CR42, CR43, CR45; 167 unsigned char CR50, CR51, CR53, CR55, CR58, CR5B, CR5D, CR5E; 168 unsigned char CR60, CR63, CR65, CR66, CR67, CR68, CR69, CR6D, CR6F; 169 unsigned char CR86, CR88; 170 unsigned char CR90, CR91, CRB0; 171 unsigned int STREAMS[22]; /* yuck, streams regs */ 172 unsigned int MMPR0, MMPR1, MMPR2, MMPR3; 173 }; 174 /* --------------------------------------------------------------------- */ 175 176 #define NR_PALETTE 256 177 178 179 struct savagefb_par; 180 181 struct savagefb_i2c_chan { 182 struct savagefb_par *par; 183 struct i2c_adapter adapter; 184 struct i2c_algo_bit_data algo; 185 volatile u8 __iomem *ioaddr; 186 u32 reg; 187 }; 188 189 struct savagefb_par { 190 struct pci_dev *pcidev; 191 savage_chipset chip; 192 struct savagefb_i2c_chan chan; 193 struct savage_reg state; 194 struct savage_reg save; 195 struct savage_reg initial; 196 struct vgastate vgastate; 197 struct mutex open_lock; 198 unsigned char *edid; 199 u32 pseudo_palette[16]; 200 u32 open_count; 201 int paletteEnabled; 202 int pm_state; 203 int display_type; 204 int dvi; 205 int crtonly; 206 int dacSpeedBpp; 207 int maxClock; 208 int minClock; 209 int numClocks; 210 int clock[4]; 211 int MCLK, REFCLK, LCDclk; 212 struct { 213 void __iomem *vbase; 214 u32 pbase; 215 u32 len; 216 #ifdef CONFIG_MTRR 217 int mtrr; 218 #endif 219 } video; 220 221 struct { 222 void __iomem *vbase; 223 u32 pbase; 224 u32 len; 225 } mmio; 226 227 volatile u32 __iomem *bci_base; 228 unsigned int bci_ptr; 229 u32 cob_offset; 230 u32 cob_size; 231 int cob_index; 232 233 void (*SavageWaitIdle) (struct savagefb_par *par); 234 void (*SavageWaitFifo) (struct savagefb_par *par, int space); 235 236 int HorizScaleFactor; 237 238 /* Panels size */ 239 int SavagePanelWidth; 240 int SavagePanelHeight; 241 242 struct { 243 u16 red, green, blue, transp; 244 } palette[NR_PALETTE]; 245 246 int depth; 247 int vwidth; 248 }; 249 250 #define BCI_BD_BW_DISABLE 0x10000000 251 #define BCI_BD_SET_BPP(bd, bpp) ((bd) |= (((bpp) & 0xFF) << 16)) 252 #define BCI_BD_SET_STRIDE(bd, st) ((bd) |= ((st) & 0xFFFF)) 253 254 255 /* IO functions */ 256 static inline u8 savage_in8(u32 addr, struct savagefb_par *par) 257 { 258 return readb(par->mmio.vbase + addr); 259 } 260 261 static inline u16 savage_in16(u32 addr, struct savagefb_par *par) 262 { 263 return readw(par->mmio.vbase + addr); 264 } 265 266 static inline u32 savage_in32(u32 addr, struct savagefb_par *par) 267 { 268 return readl(par->mmio.vbase + addr); 269 } 270 271 static inline void savage_out8(u32 addr, u8 val, struct savagefb_par *par) 272 { 273 writeb(val, par->mmio.vbase + addr); 274 } 275 276 static inline void savage_out16(u32 addr, u16 val, struct savagefb_par *par) 277 { 278 writew(val, par->mmio.vbase + addr); 279 } 280 281 static inline void savage_out32(u32 addr, u32 val, struct savagefb_par *par) 282 { 283 writel(val, par->mmio.vbase + addr); 284 } 285 286 static inline u8 vga_in8(int addr, struct savagefb_par *par) 287 { 288 return savage_in8(0x8000 + addr, par); 289 } 290 291 static inline u16 vga_in16(int addr, struct savagefb_par *par) 292 { 293 return savage_in16(0x8000 + addr, par); 294 } 295 296 static inline u8 vga_in32(int addr, struct savagefb_par *par) 297 { 298 return savage_in32(0x8000 + addr, par); 299 } 300 301 static inline void vga_out8(int addr, u8 val, struct savagefb_par *par) 302 { 303 savage_out8(0x8000 + addr, val, par); 304 } 305 306 static inline void vga_out16(int addr, u16 val, struct savagefb_par *par) 307 { 308 savage_out16(0x8000 + addr, val, par); 309 } 310 311 static inline void vga_out32(int addr, u32 val, struct savagefb_par *par) 312 { 313 savage_out32(0x8000 + addr, val, par); 314 } 315 316 static inline u8 VGArCR (u8 index, struct savagefb_par *par) 317 { 318 vga_out8(0x3d4, index, par); 319 return vga_in8(0x3d5, par); 320 } 321 322 static inline u8 VGArGR (u8 index, struct savagefb_par *par) 323 { 324 vga_out8(0x3ce, index, par); 325 return vga_in8(0x3cf, par); 326 } 327 328 static inline u8 VGArSEQ (u8 index, struct savagefb_par *par) 329 { 330 vga_out8(0x3c4, index, par); 331 return vga_in8(0x3c5, par); 332 } 333 334 static inline void VGAwCR(u8 index, u8 val, struct savagefb_par *par) 335 { 336 vga_out8(0x3d4, index, par); 337 vga_out8(0x3d5, val, par); 338 } 339 340 static inline void VGAwGR(u8 index, u8 val, struct savagefb_par *par) 341 { 342 vga_out8(0x3ce, index, par); 343 vga_out8(0x3cf, val, par); 344 } 345 346 static inline void VGAwSEQ(u8 index, u8 val, struct savagefb_par *par) 347 { 348 vga_out8(0x3c4, index, par); 349 vga_out8 (0x3c5, val, par); 350 } 351 352 static inline void VGAenablePalette(struct savagefb_par *par) 353 { 354 vga_in8(0x3da, par); 355 vga_out8(0x3c0, 0x00, par); 356 par->paletteEnabled = 1; 357 } 358 359 static inline void VGAdisablePalette(struct savagefb_par *par) 360 { 361 vga_in8(0x3da, par); 362 vga_out8(0x3c0, 0x20, par); 363 par->paletteEnabled = 0; 364 } 365 366 static inline void VGAwATTR(u8 index, u8 value, struct savagefb_par *par) 367 { 368 if (par->paletteEnabled) 369 index &= ~0x20; 370 else 371 index |= 0x20; 372 373 vga_in8(0x3da, par); 374 vga_out8(0x3c0, index, par); 375 vga_out8 (0x3c0, value, par); 376 } 377 378 static inline void VGAwMISC(u8 value, struct savagefb_par *par) 379 { 380 vga_out8(0x3c2, value, par); 381 } 382 383 #ifndef CONFIG_FB_SAVAGE_ACCEL 384 #define savagefb_set_clip(x) 385 #endif 386 387 static inline void VerticalRetraceWait(struct savagefb_par *par) 388 { 389 vga_out8(0x3d4, 0x17, par); 390 if (vga_in8(0x3d5, par) & 0x80) { 391 while ((vga_in8(0x3da, par) & 0x08) == 0x08); 392 while ((vga_in8(0x3da, par) & 0x08) == 0x00); 393 } 394 } 395 396 extern int savagefb_probe_i2c_connector(struct fb_info *info, 397 u8 **out_edid); 398 extern void savagefb_create_i2c_busses(struct fb_info *info); 399 extern void savagefb_delete_i2c_busses(struct fb_info *info); 400 extern int savagefb_sync(struct fb_info *info); 401 extern void savagefb_copyarea(struct fb_info *info, 402 const struct fb_copyarea *region); 403 extern void savagefb_fillrect(struct fb_info *info, 404 const struct fb_fillrect *rect); 405 extern void savagefb_imageblit(struct fb_info *info, 406 const struct fb_image *image); 407 408 409 #endif /* __SAVAGEFB_H__ */ 410