Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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-id.h> |
| 17 | #include <linux/i2c-algo-bit.h> |
| 18 | #include "../edid.h" |
| 19 | |
| 20 | #ifdef SAVAGEFB_DEBUG |
| 21 | # define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x)); |
| 22 | #else |
| 23 | # define DBG(x) |
| 24 | # define SavagePrintRegs(...) |
| 25 | #endif |
| 26 | |
| 27 | |
| 28 | #define PCI_CHIP_SAVAGE4 0x8a22 |
| 29 | #define PCI_CHIP_SAVAGE3D 0x8a20 |
| 30 | #define PCI_CHIP_SAVAGE3D_MV 0x8a21 |
| 31 | #define PCI_CHIP_SAVAGE2000 0x9102 |
| 32 | #define PCI_CHIP_SAVAGE_MX_MV 0x8c10 |
| 33 | #define PCI_CHIP_SAVAGE_MX 0x8c11 |
| 34 | #define PCI_CHIP_SAVAGE_IX_MV 0x8c12 |
| 35 | #define PCI_CHIP_SAVAGE_IX 0x8c13 |
| 36 | #define PCI_CHIP_PROSAVAGE_PM 0x8a25 |
| 37 | #define PCI_CHIP_PROSAVAGE_KM 0x8a26 |
| 38 | /* Twister is a code name; hope I get the real name soon. */ |
| 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 | |
| 55 | #define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX)) |
| 56 | |
| 57 | #define S3_SAVAGE4_SERIES(chip) ((chip==S3_SAVAGE4) || (chip==S3_PROSAVAGE)) |
| 58 | |
| 59 | #define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE)) |
| 60 | |
| 61 | #define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000)) |
| 62 | |
| 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_SUPERSAVAGE, |
| 75 | S3_SAVAGE2000, |
| 76 | S3_LAST |
| 77 | } savage_chipset; |
| 78 | |
| 79 | #define BIOS_BSIZE 1024 |
| 80 | #define BIOS_BASE 0xc0000 |
| 81 | |
| 82 | #define SAVAGE_NEWMMIO_REGBASE_S3 0x1000000 /* 16MB */ |
| 83 | #define SAVAGE_NEWMMIO_REGBASE_S4 0x0000000 |
| 84 | #define SAVAGE_NEWMMIO_REGSIZE 0x0080000 /* 512kb */ |
| 85 | #define SAVAGE_NEWMMIO_VGABASE 0x8000 |
| 86 | |
| 87 | #define BASE_FREQ 14318 |
| 88 | #define HALF_BASE_FREQ 7159 |
| 89 | |
| 90 | #define FIFO_CONTROL_REG 0x8200 |
| 91 | #define MIU_CONTROL_REG 0x8204 |
| 92 | #define STREAMS_TIMEOUT_REG 0x8208 |
| 93 | #define MISC_TIMEOUT_REG 0x820c |
| 94 | |
| 95 | #define MONO_PAT_0 0xa4e8 |
| 96 | #define MONO_PAT_1 0xa4ec |
| 97 | |
| 98 | #define MAXFIFO 0x7f00 |
| 99 | |
| 100 | #define BCI_CMD_NOP 0x40000000 |
| 101 | #define BCI_CMD_SETREG 0x96000000 |
| 102 | #define BCI_CMD_RECT 0x48000000 |
| 103 | #define BCI_CMD_RECT_XP 0x01000000 |
| 104 | #define BCI_CMD_RECT_YP 0x02000000 |
| 105 | #define BCI_CMD_SEND_COLOR 0x00008000 |
| 106 | #define BCI_CMD_DEST_GBD 0x00000000 |
| 107 | #define BCI_CMD_SRC_GBD 0x00000020 |
| 108 | #define BCI_CMD_SRC_SOLID 0x00000000 |
| 109 | #define BCI_CMD_SRC_MONO 0x00000060 |
| 110 | #define BCI_CMD_CLIP_NEW 0x00006000 |
| 111 | #define BCI_CMD_CLIP_LR 0x00004000 |
| 112 | |
| 113 | #define BCI_CLIP_LR(l, r) ((((r) << 16) | (l)) & 0x0FFF0FFF) |
| 114 | #define BCI_CLIP_TL(t, l) ((((t) << 16) | (l)) & 0x0FFF0FFF) |
| 115 | #define BCI_CLIP_BR(b, r) ((((b) << 16) | (r)) & 0x0FFF0FFF) |
| 116 | #define BCI_W_H(w, h) (((h) << 16) | ((w) & 0xFFF)) |
| 117 | #define BCI_X_Y(x, y) (((y) << 16) | ((x) & 0xFFF)) |
| 118 | |
| 119 | #define BCI_GBD1 0xE0 |
| 120 | #define BCI_GBD2 0xE1 |
| 121 | |
| 122 | #define BCI_BUFFER_OFFSET 0x10000 |
| 123 | #define BCI_SIZE 0x4000 |
| 124 | |
| 125 | #define BCI_SEND(dw) writel(dw, par->bci_base + par->bci_ptr++) |
| 126 | |
| 127 | #define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF) |
| 128 | #define BCI_CMD_SET_ROP(cmd, rop) ((cmd) |= ((rop & 0xFF) << 16)) |
| 129 | #define BCI_CMD_SEND_COLOR 0x00008000 |
| 130 | |
| 131 | struct xtimings { |
| 132 | unsigned int Clock; |
| 133 | unsigned int HDisplay; |
| 134 | unsigned int HSyncStart; |
| 135 | unsigned int HSyncEnd; |
| 136 | unsigned int HTotal; |
| 137 | unsigned int HAdjusted; |
| 138 | unsigned int VDisplay; |
| 139 | unsigned int VSyncStart; |
| 140 | unsigned int VSyncEnd; |
| 141 | unsigned int VTotal; |
| 142 | unsigned int sync; |
| 143 | int dblscan; |
| 144 | int interlaced; |
| 145 | }; |
| 146 | |
| 147 | |
| 148 | /* --------------------------------------------------------------------- */ |
| 149 | |
| 150 | #define NR_PALETTE 256 |
| 151 | |
| 152 | |
| 153 | struct savagefb_par; |
| 154 | |
| 155 | struct savagefb_i2c_chan { |
| 156 | struct savagefb_par *par; |
| 157 | struct i2c_adapter adapter; |
| 158 | struct i2c_algo_bit_data algo; |
| 159 | volatile u8 __iomem *ioaddr; |
| 160 | u32 reg; |
| 161 | }; |
| 162 | |
| 163 | struct savagefb_par { |
| 164 | struct pci_dev *pcidev; |
| 165 | savage_chipset chip; |
| 166 | struct savagefb_i2c_chan chan; |
| 167 | unsigned char *edid; |
| 168 | u32 pseudo_palette[16]; |
| 169 | int dacSpeedBpp; |
| 170 | int maxClock; |
| 171 | int minClock; |
| 172 | int numClocks; |
| 173 | int clock[4]; |
| 174 | struct { |
| 175 | u8 __iomem *vbase; |
| 176 | u32 pbase; |
| 177 | u32 len; |
| 178 | #ifdef CONFIG_MTRR |
| 179 | int mtrr; |
| 180 | #endif |
| 181 | } video; |
| 182 | |
| 183 | struct { |
| 184 | volatile u8 __iomem *vbase; |
| 185 | u32 pbase; |
| 186 | u32 len; |
| 187 | } mmio; |
| 188 | |
| 189 | volatile u32 __iomem *bci_base; |
| 190 | unsigned int bci_ptr; |
| 191 | |
| 192 | u32 cob_offset; |
| 193 | u32 cob_size; |
| 194 | int cob_index; |
| 195 | |
| 196 | void (*SavageWaitIdle) (struct savagefb_par *par); |
| 197 | void (*SavageWaitFifo) (struct savagefb_par *par, int space); |
| 198 | |
| 199 | int MCLK, REFCLK, LCDclk; |
| 200 | int HorizScaleFactor; |
| 201 | |
| 202 | /* Panels size */ |
| 203 | int SavagePanelWidth; |
| 204 | int SavagePanelHeight; |
| 205 | |
| 206 | struct { |
| 207 | u16 red, green, blue, transp; |
| 208 | } palette[NR_PALETTE]; |
| 209 | |
| 210 | int depth; |
| 211 | int vwidth; |
| 212 | |
| 213 | unsigned char MiscOutReg; /* Misc */ |
| 214 | unsigned char CRTC[25]; /* Crtc Controller */ |
| 215 | unsigned char Sequencer[5]; /* Video Sequencer */ |
| 216 | unsigned char Graphics[9]; /* Video Graphics */ |
| 217 | unsigned char Attribute[21]; /* Video Atribute */ |
| 218 | |
| 219 | unsigned int mode, refresh; |
| 220 | unsigned char SR08, SR0E, SR0F; |
| 221 | unsigned char SR10, SR11, SR12, SR13, SR15, SR18, SR29, SR30; |
| 222 | unsigned char SR54[8]; |
| 223 | unsigned char Clock; |
| 224 | unsigned char CR31, CR32, CR33, CR34, CR36, CR3A, CR3B, CR3C; |
| 225 | unsigned char CR40, CR41, CR42, CR43, CR45; |
| 226 | unsigned char CR50, CR51, CR53, CR55, CR58, CR5B, CR5D, CR5E; |
| 227 | unsigned char CR60, CR63, CR65, CR66, CR67, CR68, CR69, CR6D, CR6F; |
| 228 | unsigned char CR86, CR88; |
| 229 | unsigned char CR90, CR91, CRB0; |
| 230 | unsigned int STREAMS[22]; /* yuck, streams regs */ |
| 231 | unsigned int MMPR0, MMPR1, MMPR2, MMPR3; |
| 232 | }; |
| 233 | |
| 234 | #define BCI_BD_BW_DISABLE 0x10000000 |
| 235 | #define BCI_BD_SET_BPP(bd, bpp) ((bd) |= (((bpp) & 0xFF) << 16)) |
| 236 | #define BCI_BD_SET_STRIDE(bd, st) ((bd) |= ((st) & 0xFFFF)) |
| 237 | |
| 238 | |
| 239 | /* IO functions */ |
| 240 | |
| 241 | #define vga_in8(addr) (inb (addr)) |
| 242 | #define vga_in16(addr) (inw (addr)) |
| 243 | #define vga_in32(addr) (inl (addr)) |
| 244 | |
| 245 | #define vga_out8(addr,val) (outb ((val), (addr))) |
| 246 | #define vga_out16(addr,val) (outw ((val), (addr))) |
| 247 | #define vga_out32(addr,val) (outl ((val), (addr))) |
| 248 | |
| 249 | #define savage_in16(addr) readw(par->mmio.vbase + (addr)) |
| 250 | #define savage_in32(addr) readl(par->mmio.vbase + (addr)) |
| 251 | |
| 252 | #define savage_out16(addr,val) writew((val), par->mmio.vbase + (addr)) |
| 253 | #define savage_out32(addr,val) writel((val), par->mmio.vbase + (addr)) |
| 254 | |
| 255 | static inline u8 VGArCR (u8 index) |
| 256 | { |
| 257 | outb (index, 0x3d4); |
| 258 | return inb (0x3d5); |
| 259 | } |
| 260 | |
| 261 | static inline u8 VGArGR (u8 index) |
| 262 | { |
| 263 | outb (index, 0x3ce); |
| 264 | return inb (0x3cf); |
| 265 | } |
| 266 | |
| 267 | static inline u8 VGArSEQ (u8 index) |
| 268 | { |
| 269 | outb (index, 0x3c4); |
| 270 | return inb (0x3c5); |
| 271 | } |
| 272 | |
| 273 | #define VGAwCR(index, val) \ |
| 274 | do { \ |
| 275 | vga_out8 (0x3d4, index); \ |
| 276 | vga_out8 (0x3d5, val); \ |
| 277 | } while (0) |
| 278 | |
| 279 | #define VGAwGR(index, val) \ |
| 280 | do { \ |
| 281 | vga_out8 (0x3ce, index); \ |
| 282 | vga_out8 (0x3cf, val); \ |
| 283 | } while (0) |
| 284 | |
| 285 | #define VGAwSEQ(index, val) \ |
| 286 | do { \ |
| 287 | vga_out8 (0x3c4, index); \ |
| 288 | vga_out8 (0x3c5, val); \ |
| 289 | } while (0) |
| 290 | |
| 291 | #define VGAenablePalette() \ |
| 292 | do { \ |
| 293 | u8 tmp; \ |
| 294 | \ |
| 295 | tmp = vga_in8 (0x3da); \ |
| 296 | vga_out8 (0x3c0, 0x00); \ |
| 297 | paletteEnabled = 1; \ |
| 298 | } while (0) |
| 299 | |
| 300 | #define VGAdisablePalette() \ |
| 301 | do { \ |
| 302 | u8 tmp; \ |
| 303 | \ |
| 304 | tmp = vga_in8 (0x3da); \ |
| 305 | vga_out8 (0x3c0, 0x20); \ |
| 306 | paletteEnabled = 0; \ |
| 307 | } while (0) |
| 308 | |
| 309 | #define VGAwATTR(index, value) \ |
| 310 | do { \ |
| 311 | u8 tmp; \ |
| 312 | \ |
| 313 | if (paletteEnabled) \ |
| 314 | index &= ~0x20; \ |
| 315 | else \ |
| 316 | index |= 0x20; \ |
| 317 | \ |
| 318 | tmp = vga_in8 (0x3da); \ |
| 319 | vga_out8 (0x3c0, index); \ |
| 320 | vga_out8 (0x3c0, value); \ |
| 321 | } while (0) |
| 322 | |
| 323 | #define VGAwMISC(value) \ |
| 324 | do { \ |
| 325 | vga_out8 (0x3c2, value); \ |
| 326 | } while (0) |
| 327 | |
| 328 | #ifndef CONFIG_FB_SAVAGE_ACCEL |
| 329 | #define savagefb_set_clip(x) |
| 330 | #endif |
| 331 | |
| 332 | #define VerticalRetraceWait() \ |
| 333 | { \ |
| 334 | vga_out8 (0x3d4, 0x17); \ |
| 335 | if (vga_in8 (0x3d5) & 0x80) { \ |
| 336 | while ((vga_in8(0x3da) & 0x08) == 0x08) ; \ |
| 337 | while ((vga_in8(0x3da) & 0x08) == 0x00) ; \ |
| 338 | } \ |
| 339 | } |
| 340 | |
| 341 | extern int savagefb_probe_i2c_connector(struct savagefb_par *par, |
| 342 | u8 **out_edid); |
| 343 | extern void savagefb_create_i2c_busses(struct fb_info *info); |
| 344 | extern void savagefb_delete_i2c_busses(struct fb_info *info); |
| 345 | extern int savagefb_sync(struct fb_info *info); |
| 346 | extern void savagefb_copyarea(struct fb_info *info, |
| 347 | const struct fb_copyarea *region); |
| 348 | extern void savagefb_fillrect(struct fb_info *info, |
| 349 | const struct fb_fillrect *rect); |
| 350 | extern void savagefb_imageblit(struct fb_info *info, |
| 351 | const struct fb_image *image); |
| 352 | |
| 353 | |
| 354 | #endif /* __SAVAGEFB_H__ */ |