Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* ffb.c: Creator/Elite3D frame buffer driver |
| 2 | * |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 3 | * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * Copyright (C) 1997,1998,1999 Jakub Jelinek (jj@ultra.linux.cz) |
| 5 | * |
| 6 | * Driver layout based loosely on tgafb.c, see that file for credits. |
| 7 | */ |
| 8 | |
| 9 | #include <linux/module.h> |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/errno.h> |
| 12 | #include <linux/string.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #include <linux/delay.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/fb.h> |
| 16 | #include <linux/mm.h> |
| 17 | #include <linux/timer.h> |
Robert Reif | 6cd5a86 | 2008-05-08 21:37:30 -0700 | [diff] [blame] | 18 | #include <linux/of_device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
| 20 | #include <asm/io.h> |
| 21 | #include <asm/upa.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <asm/fbio.h> |
| 23 | |
| 24 | #include "sbuslib.h" |
| 25 | |
| 26 | /* |
| 27 | * Local functions. |
| 28 | */ |
| 29 | |
| 30 | static int ffb_setcolreg(unsigned, unsigned, unsigned, unsigned, |
| 31 | unsigned, struct fb_info *); |
| 32 | static int ffb_blank(int, struct fb_info *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
| 34 | static void ffb_imageblit(struct fb_info *, const struct fb_image *); |
| 35 | static void ffb_fillrect(struct fb_info *, const struct fb_fillrect *); |
| 36 | static void ffb_copyarea(struct fb_info *, const struct fb_copyarea *); |
| 37 | static int ffb_sync(struct fb_info *); |
Christoph Hellwig | 216d526 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 38 | static int ffb_mmap(struct fb_info *, struct vm_area_struct *); |
Christoph Hellwig | 67a6680 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 39 | static int ffb_ioctl(struct fb_info *, unsigned int, unsigned long); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | static int ffb_pan_display(struct fb_var_screeninfo *, struct fb_info *); |
| 41 | |
| 42 | /* |
| 43 | * Frame buffer operations |
| 44 | */ |
| 45 | |
| 46 | static struct fb_ops ffb_ops = { |
| 47 | .owner = THIS_MODULE, |
| 48 | .fb_setcolreg = ffb_setcolreg, |
| 49 | .fb_blank = ffb_blank, |
| 50 | .fb_pan_display = ffb_pan_display, |
| 51 | .fb_fillrect = ffb_fillrect, |
| 52 | .fb_copyarea = ffb_copyarea, |
| 53 | .fb_imageblit = ffb_imageblit, |
| 54 | .fb_sync = ffb_sync, |
| 55 | .fb_mmap = ffb_mmap, |
| 56 | .fb_ioctl = ffb_ioctl, |
Christoph Hellwig | 9ffb83b | 2005-11-12 12:11:12 -0800 | [diff] [blame] | 57 | #ifdef CONFIG_COMPAT |
| 58 | .fb_compat_ioctl = sbusfb_compat_ioctl, |
| 59 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | /* Register layout and definitions */ |
| 63 | #define FFB_SFB8R_VOFF 0x00000000 |
| 64 | #define FFB_SFB8G_VOFF 0x00400000 |
| 65 | #define FFB_SFB8B_VOFF 0x00800000 |
| 66 | #define FFB_SFB8X_VOFF 0x00c00000 |
| 67 | #define FFB_SFB32_VOFF 0x01000000 |
| 68 | #define FFB_SFB64_VOFF 0x02000000 |
| 69 | #define FFB_FBC_REGS_VOFF 0x04000000 |
| 70 | #define FFB_BM_FBC_REGS_VOFF 0x04002000 |
| 71 | #define FFB_DFB8R_VOFF 0x04004000 |
| 72 | #define FFB_DFB8G_VOFF 0x04404000 |
| 73 | #define FFB_DFB8B_VOFF 0x04804000 |
| 74 | #define FFB_DFB8X_VOFF 0x04c04000 |
| 75 | #define FFB_DFB24_VOFF 0x05004000 |
| 76 | #define FFB_DFB32_VOFF 0x06004000 |
| 77 | #define FFB_DFB422A_VOFF 0x07004000 /* DFB 422 mode write to A */ |
| 78 | #define FFB_DFB422AD_VOFF 0x07804000 /* DFB 422 mode with line doubling */ |
| 79 | #define FFB_DFB24B_VOFF 0x08004000 /* DFB 24bit mode write to B */ |
| 80 | #define FFB_DFB422B_VOFF 0x09004000 /* DFB 422 mode write to B */ |
| 81 | #define FFB_DFB422BD_VOFF 0x09804000 /* DFB 422 mode with line doubling */ |
| 82 | #define FFB_SFB16Z_VOFF 0x0a004000 /* 16bit mode Z planes */ |
| 83 | #define FFB_SFB8Z_VOFF 0x0a404000 /* 8bit mode Z planes */ |
| 84 | #define FFB_SFB422_VOFF 0x0ac04000 /* SFB 422 mode write to A/B */ |
| 85 | #define FFB_SFB422D_VOFF 0x0b404000 /* SFB 422 mode with line doubling */ |
| 86 | #define FFB_FBC_KREGS_VOFF 0x0bc04000 |
| 87 | #define FFB_DAC_VOFF 0x0bc06000 |
| 88 | #define FFB_PROM_VOFF 0x0bc08000 |
| 89 | #define FFB_EXP_VOFF 0x0bc18000 |
| 90 | |
| 91 | #define FFB_SFB8R_POFF 0x04000000UL |
| 92 | #define FFB_SFB8G_POFF 0x04400000UL |
| 93 | #define FFB_SFB8B_POFF 0x04800000UL |
| 94 | #define FFB_SFB8X_POFF 0x04c00000UL |
| 95 | #define FFB_SFB32_POFF 0x05000000UL |
| 96 | #define FFB_SFB64_POFF 0x06000000UL |
| 97 | #define FFB_FBC_REGS_POFF 0x00600000UL |
| 98 | #define FFB_BM_FBC_REGS_POFF 0x00600000UL |
| 99 | #define FFB_DFB8R_POFF 0x01000000UL |
| 100 | #define FFB_DFB8G_POFF 0x01400000UL |
| 101 | #define FFB_DFB8B_POFF 0x01800000UL |
| 102 | #define FFB_DFB8X_POFF 0x01c00000UL |
| 103 | #define FFB_DFB24_POFF 0x02000000UL |
| 104 | #define FFB_DFB32_POFF 0x03000000UL |
| 105 | #define FFB_FBC_KREGS_POFF 0x00610000UL |
| 106 | #define FFB_DAC_POFF 0x00400000UL |
| 107 | #define FFB_PROM_POFF 0x00000000UL |
| 108 | #define FFB_EXP_POFF 0x00200000UL |
| 109 | #define FFB_DFB422A_POFF 0x09000000UL |
| 110 | #define FFB_DFB422AD_POFF 0x09800000UL |
| 111 | #define FFB_DFB24B_POFF 0x0a000000UL |
| 112 | #define FFB_DFB422B_POFF 0x0b000000UL |
| 113 | #define FFB_DFB422BD_POFF 0x0b800000UL |
| 114 | #define FFB_SFB16Z_POFF 0x0c800000UL |
| 115 | #define FFB_SFB8Z_POFF 0x0c000000UL |
| 116 | #define FFB_SFB422_POFF 0x0d000000UL |
| 117 | #define FFB_SFB422D_POFF 0x0d800000UL |
| 118 | |
| 119 | /* Draw operations */ |
| 120 | #define FFB_DRAWOP_DOT 0x00 |
| 121 | #define FFB_DRAWOP_AADOT 0x01 |
| 122 | #define FFB_DRAWOP_BRLINECAP 0x02 |
| 123 | #define FFB_DRAWOP_BRLINEOPEN 0x03 |
| 124 | #define FFB_DRAWOP_DDLINE 0x04 |
| 125 | #define FFB_DRAWOP_AALINE 0x05 |
| 126 | #define FFB_DRAWOP_TRIANGLE 0x06 |
| 127 | #define FFB_DRAWOP_POLYGON 0x07 |
| 128 | #define FFB_DRAWOP_RECTANGLE 0x08 |
| 129 | #define FFB_DRAWOP_FASTFILL 0x09 |
| 130 | #define FFB_DRAWOP_BCOPY 0x0a |
| 131 | #define FFB_DRAWOP_VSCROLL 0x0b |
| 132 | |
| 133 | /* Pixel processor control */ |
| 134 | /* Force WID */ |
| 135 | #define FFB_PPC_FW_DISABLE 0x800000 |
| 136 | #define FFB_PPC_FW_ENABLE 0xc00000 |
| 137 | /* Auxiliary clip */ |
| 138 | #define FFB_PPC_ACE_DISABLE 0x040000 |
| 139 | #define FFB_PPC_ACE_AUX_SUB 0x080000 |
| 140 | #define FFB_PPC_ACE_AUX_ADD 0x0c0000 |
| 141 | /* Depth cue */ |
| 142 | #define FFB_PPC_DCE_DISABLE 0x020000 |
| 143 | #define FFB_PPC_DCE_ENABLE 0x030000 |
| 144 | /* Alpha blend */ |
| 145 | #define FFB_PPC_ABE_DISABLE 0x008000 |
| 146 | #define FFB_PPC_ABE_ENABLE 0x00c000 |
| 147 | /* View clip */ |
| 148 | #define FFB_PPC_VCE_DISABLE 0x001000 |
| 149 | #define FFB_PPC_VCE_2D 0x002000 |
| 150 | #define FFB_PPC_VCE_3D 0x003000 |
| 151 | /* Area pattern */ |
| 152 | #define FFB_PPC_APE_DISABLE 0x000800 |
| 153 | #define FFB_PPC_APE_ENABLE 0x000c00 |
| 154 | /* Transparent background */ |
| 155 | #define FFB_PPC_TBE_OPAQUE 0x000200 |
| 156 | #define FFB_PPC_TBE_TRANSPARENT 0x000300 |
| 157 | /* Z source */ |
| 158 | #define FFB_PPC_ZS_VAR 0x000080 |
| 159 | #define FFB_PPC_ZS_CONST 0x0000c0 |
| 160 | /* Y source */ |
| 161 | #define FFB_PPC_YS_VAR 0x000020 |
| 162 | #define FFB_PPC_YS_CONST 0x000030 |
| 163 | /* X source */ |
| 164 | #define FFB_PPC_XS_WID 0x000004 |
| 165 | #define FFB_PPC_XS_VAR 0x000008 |
| 166 | #define FFB_PPC_XS_CONST 0x00000c |
| 167 | /* Color (BGR) source */ |
| 168 | #define FFB_PPC_CS_VAR 0x000002 |
| 169 | #define FFB_PPC_CS_CONST 0x000003 |
| 170 | |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 171 | #define FFB_ROP_NEW 0x83 |
| 172 | #define FFB_ROP_OLD 0x85 |
| 173 | #define FFB_ROP_NEW_XOR_OLD 0x86 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 175 | #define FFB_UCSR_FIFO_MASK 0x00000fff |
| 176 | #define FFB_UCSR_FB_BUSY 0x01000000 |
| 177 | #define FFB_UCSR_RP_BUSY 0x02000000 |
| 178 | #define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY) |
| 179 | #define FFB_UCSR_READ_ERR 0x40000000 |
| 180 | #define FFB_UCSR_FIFO_OVFL 0x80000000 |
| 181 | #define FFB_UCSR_ALL_ERRORS (FFB_UCSR_READ_ERR|FFB_UCSR_FIFO_OVFL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | |
| 183 | struct ffb_fbc { |
| 184 | /* Next vertex registers */ |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 185 | u32 xxx1[3]; |
| 186 | u32 alpha; |
| 187 | u32 red; |
| 188 | u32 green; |
| 189 | u32 blue; |
| 190 | u32 depth; |
| 191 | u32 y; |
| 192 | u32 x; |
| 193 | u32 xxx2[2]; |
| 194 | u32 ryf; |
| 195 | u32 rxf; |
| 196 | u32 xxx3[2]; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 197 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 198 | u32 dmyf; |
| 199 | u32 dmxf; |
| 200 | u32 xxx4[2]; |
| 201 | u32 ebyi; |
| 202 | u32 ebxi; |
| 203 | u32 xxx5[2]; |
| 204 | u32 by; |
| 205 | u32 bx; |
| 206 | u32 dy; |
| 207 | u32 dx; |
| 208 | u32 bh; |
| 209 | u32 bw; |
| 210 | u32 xxx6[2]; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 211 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 212 | u32 xxx7[32]; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 213 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | /* Setup unit vertex state register */ |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 215 | u32 suvtx; |
| 216 | u32 xxx8[63]; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 217 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | /* Control registers */ |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 219 | u32 ppc; |
| 220 | u32 wid; |
| 221 | u32 fg; |
| 222 | u32 bg; |
| 223 | u32 consty; |
| 224 | u32 constz; |
| 225 | u32 xclip; |
| 226 | u32 dcss; |
| 227 | u32 vclipmin; |
| 228 | u32 vclipmax; |
| 229 | u32 vclipzmin; |
| 230 | u32 vclipzmax; |
| 231 | u32 dcsf; |
| 232 | u32 dcsb; |
| 233 | u32 dczf; |
| 234 | u32 dczb; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 235 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 236 | u32 xxx9; |
| 237 | u32 blendc; |
| 238 | u32 blendc1; |
| 239 | u32 blendc2; |
| 240 | u32 fbramitc; |
| 241 | u32 fbc; |
| 242 | u32 rop; |
| 243 | u32 cmp; |
| 244 | u32 matchab; |
| 245 | u32 matchc; |
| 246 | u32 magnab; |
| 247 | u32 magnc; |
| 248 | u32 fbcfg0; |
| 249 | u32 fbcfg1; |
| 250 | u32 fbcfg2; |
| 251 | u32 fbcfg3; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 252 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 253 | u32 ppcfg; |
| 254 | u32 pick; |
| 255 | u32 fillmode; |
| 256 | u32 fbramwac; |
| 257 | u32 pmask; |
| 258 | u32 xpmask; |
| 259 | u32 ypmask; |
| 260 | u32 zpmask; |
| 261 | u32 clip0min; |
| 262 | u32 clip0max; |
| 263 | u32 clip1min; |
| 264 | u32 clip1max; |
| 265 | u32 clip2min; |
| 266 | u32 clip2max; |
| 267 | u32 clip3min; |
| 268 | u32 clip3max; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 269 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | /* New 3dRAM III support regs */ |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 271 | u32 rawblend2; |
| 272 | u32 rawpreblend; |
| 273 | u32 rawstencil; |
| 274 | u32 rawstencilctl; |
| 275 | u32 threedram1; |
| 276 | u32 threedram2; |
| 277 | u32 passin; |
| 278 | u32 rawclrdepth; |
| 279 | u32 rawpmask; |
| 280 | u32 rawcsrc; |
| 281 | u32 rawmatch; |
| 282 | u32 rawmagn; |
| 283 | u32 rawropblend; |
| 284 | u32 rawcmp; |
| 285 | u32 rawwac; |
| 286 | u32 fbramid; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 287 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 288 | u32 drawop; |
| 289 | u32 xxx10[2]; |
| 290 | u32 fontlpat; |
| 291 | u32 xxx11; |
| 292 | u32 fontxy; |
| 293 | u32 fontw; |
| 294 | u32 fontinc; |
| 295 | u32 font; |
| 296 | u32 xxx12[3]; |
| 297 | u32 blend2; |
| 298 | u32 preblend; |
| 299 | u32 stencil; |
| 300 | u32 stencilctl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 302 | u32 xxx13[4]; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 303 | u32 dcss1; |
| 304 | u32 dcss2; |
| 305 | u32 dcss3; |
| 306 | u32 widpmask; |
| 307 | u32 dcs2; |
| 308 | u32 dcs3; |
| 309 | u32 dcs4; |
| 310 | u32 xxx14; |
| 311 | u32 dcd2; |
| 312 | u32 dcd3; |
| 313 | u32 dcd4; |
| 314 | u32 xxx15; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 315 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 316 | u32 pattern[32]; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 317 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 318 | u32 xxx16[256]; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 319 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 320 | u32 devid; |
| 321 | u32 xxx17[63]; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 322 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 323 | u32 ucsr; |
| 324 | u32 xxx18[31]; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 325 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 326 | u32 mer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | }; |
| 328 | |
| 329 | struct ffb_dac { |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 330 | u32 type; |
| 331 | u32 value; |
| 332 | u32 type2; |
| 333 | u32 value2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | }; |
| 335 | |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 336 | #define FFB_DAC_UCTRL 0x1001 /* User Control */ |
| 337 | #define FFB_DAC_UCTRL_MANREV 0x00000f00 /* 4-bit Manufacturing Revision */ |
| 338 | #define FFB_DAC_UCTRL_MANREV_SHIFT 8 |
| 339 | #define FFB_DAC_TGEN 0x6000 /* Timing Generator */ |
| 340 | #define FFB_DAC_TGEN_VIDE 0x00000001 /* Video Enable */ |
| 341 | #define FFB_DAC_DID 0x8000 /* Device Identification */ |
| 342 | #define FFB_DAC_DID_PNUM 0x0ffff000 /* Device Part Number */ |
| 343 | #define FFB_DAC_DID_PNUM_SHIFT 12 |
| 344 | #define FFB_DAC_DID_REV 0xf0000000 /* Device Revision */ |
| 345 | #define FFB_DAC_DID_REV_SHIFT 28 |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 346 | |
| 347 | #define FFB_DAC_CUR_CTRL 0x100 |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 348 | #define FFB_DAC_CUR_CTRL_P0 0x00000001 |
| 349 | #define FFB_DAC_CUR_CTRL_P1 0x00000002 |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 350 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | struct ffb_par { |
| 352 | spinlock_t lock; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 353 | struct ffb_fbc __iomem *fbc; |
| 354 | struct ffb_dac __iomem *dac; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | |
| 356 | u32 flags; |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 357 | #define FFB_FLAG_AFB 0x00000001 /* AFB m3 or m6 */ |
| 358 | #define FFB_FLAG_BLANKED 0x00000002 /* screen is blanked */ |
| 359 | #define FFB_FLAG_INVCURSOR 0x00000004 /* DAC has inverted cursor logic */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | |
| 361 | u32 fg_cache __attribute__((aligned (8))); |
| 362 | u32 bg_cache; |
| 363 | u32 rop_cache; |
| 364 | |
| 365 | int fifo_cache; |
| 366 | |
| 367 | unsigned long physbase; |
| 368 | unsigned long fbsize; |
| 369 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | int board_type; |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 371 | |
| 372 | u32 pseudo_palette[16]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | }; |
| 374 | |
| 375 | static void FFBFifo(struct ffb_par *par, int n) |
| 376 | { |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 377 | struct ffb_fbc __iomem *fbc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | int cache = par->fifo_cache; |
| 379 | |
| 380 | if (cache - n < 0) { |
| 381 | fbc = par->fbc; |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 382 | do { |
| 383 | cache = (upa_readl(&fbc->ucsr) & FFB_UCSR_FIFO_MASK); |
| 384 | cache -= 8; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | } while (cache - n < 0); |
| 386 | } |
| 387 | par->fifo_cache = cache - n; |
| 388 | } |
| 389 | |
| 390 | static void FFBWait(struct ffb_par *par) |
| 391 | { |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 392 | struct ffb_fbc __iomem *fbc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | int limit = 10000; |
| 394 | |
| 395 | fbc = par->fbc; |
| 396 | do { |
| 397 | if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_BUSY) == 0) |
| 398 | break; |
| 399 | if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0) { |
| 400 | upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr); |
| 401 | } |
| 402 | udelay(10); |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 403 | } while (--limit > 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | } |
| 405 | |
| 406 | static int ffb_sync(struct fb_info *p) |
| 407 | { |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 408 | struct ffb_par *par = (struct ffb_par *)p->par; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | |
| 410 | FFBWait(par); |
| 411 | return 0; |
| 412 | } |
| 413 | |
| 414 | static __inline__ void ffb_rop(struct ffb_par *par, u32 rop) |
| 415 | { |
| 416 | if (par->rop_cache != rop) { |
| 417 | FFBFifo(par, 1); |
| 418 | upa_writel(rop, &par->fbc->rop); |
| 419 | par->rop_cache = rop; |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | static void ffb_switch_from_graph(struct ffb_par *par) |
| 424 | { |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 425 | struct ffb_fbc __iomem *fbc = par->fbc; |
| 426 | struct ffb_dac __iomem *dac = par->dac; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | unsigned long flags; |
| 428 | |
| 429 | spin_lock_irqsave(&par->lock, flags); |
| 430 | FFBWait(par); |
| 431 | par->fifo_cache = 0; |
| 432 | FFBFifo(par, 7); |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 433 | upa_writel(FFB_PPC_VCE_DISABLE | FFB_PPC_TBE_OPAQUE | |
| 434 | FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | &fbc->ppc); |
| 436 | upa_writel(0x2000707f, &fbc->fbc); |
| 437 | upa_writel(par->rop_cache, &fbc->rop); |
| 438 | upa_writel(0xffffffff, &fbc->pmask); |
| 439 | upa_writel((1 << 16) | (0 << 0), &fbc->fontinc); |
| 440 | upa_writel(par->fg_cache, &fbc->fg); |
| 441 | upa_writel(par->bg_cache, &fbc->bg); |
| 442 | FFBWait(par); |
| 443 | |
| 444 | /* Disable cursor. */ |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 445 | upa_writel(FFB_DAC_CUR_CTRL, &dac->type2); |
| 446 | if (par->flags & FFB_FLAG_INVCURSOR) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | upa_writel(0, &dac->value2); |
| 448 | else |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 449 | upa_writel((FFB_DAC_CUR_CTRL_P0 | |
| 450 | FFB_DAC_CUR_CTRL_P1), &dac->value2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | |
| 452 | spin_unlock_irqrestore(&par->lock, flags); |
| 453 | } |
| 454 | |
| 455 | static int ffb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) |
| 456 | { |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 457 | struct ffb_par *par = (struct ffb_par *)info->par; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | |
| 459 | /* We just use this to catch switches out of |
| 460 | * graphics mode. |
| 461 | */ |
| 462 | ffb_switch_from_graph(par); |
| 463 | |
| 464 | if (var->xoffset || var->yoffset || var->vmode) |
| 465 | return -EINVAL; |
| 466 | return 0; |
| 467 | } |
| 468 | |
| 469 | /** |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 470 | * ffb_fillrect - Draws a rectangle on the screen. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | * |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 472 | * @info: frame buffer structure that represents a single frame buffer |
| 473 | * @rect: structure defining the rectagle and operation. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | */ |
| 475 | static void ffb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) |
| 476 | { |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 477 | struct ffb_par *par = (struct ffb_par *)info->par; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 478 | struct ffb_fbc __iomem *fbc = par->fbc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | unsigned long flags; |
| 480 | u32 fg; |
| 481 | |
Eric Sesterhenn | 232443e | 2006-03-24 18:53:18 +0100 | [diff] [blame] | 482 | BUG_ON(rect->rop != ROP_COPY && rect->rop != ROP_XOR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | |
| 484 | fg = ((u32 *)info->pseudo_palette)[rect->color]; |
| 485 | |
| 486 | spin_lock_irqsave(&par->lock, flags); |
| 487 | |
| 488 | if (fg != par->fg_cache) { |
| 489 | FFBFifo(par, 1); |
| 490 | upa_writel(fg, &fbc->fg); |
| 491 | par->fg_cache = fg; |
| 492 | } |
| 493 | |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 494 | ffb_rop(par, rect->rop == ROP_COPY ? |
| 495 | FFB_ROP_NEW : |
| 496 | FFB_ROP_NEW_XOR_OLD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | |
| 498 | FFBFifo(par, 5); |
| 499 | upa_writel(FFB_DRAWOP_RECTANGLE, &fbc->drawop); |
| 500 | upa_writel(rect->dy, &fbc->by); |
| 501 | upa_writel(rect->dx, &fbc->bx); |
| 502 | upa_writel(rect->height, &fbc->bh); |
| 503 | upa_writel(rect->width, &fbc->bw); |
| 504 | |
| 505 | spin_unlock_irqrestore(&par->lock, flags); |
| 506 | } |
| 507 | |
| 508 | /** |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 509 | * ffb_copyarea - Copies on area of the screen to another area. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | * |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 511 | * @info: frame buffer structure that represents a single frame buffer |
| 512 | * @area: structure defining the source and destination. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | */ |
| 514 | |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 515 | static void ffb_copyarea(struct fb_info *info, const struct fb_copyarea *area) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | { |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 517 | struct ffb_par *par = (struct ffb_par *)info->par; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 518 | struct ffb_fbc __iomem *fbc = par->fbc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | unsigned long flags; |
| 520 | |
| 521 | if (area->dx != area->sx || |
| 522 | area->dy == area->sy) { |
| 523 | cfb_copyarea(info, area); |
| 524 | return; |
| 525 | } |
| 526 | |
| 527 | spin_lock_irqsave(&par->lock, flags); |
| 528 | |
| 529 | ffb_rop(par, FFB_ROP_OLD); |
| 530 | |
| 531 | FFBFifo(par, 7); |
| 532 | upa_writel(FFB_DRAWOP_VSCROLL, &fbc->drawop); |
| 533 | upa_writel(area->sy, &fbc->by); |
| 534 | upa_writel(area->sx, &fbc->bx); |
| 535 | upa_writel(area->dy, &fbc->dy); |
| 536 | upa_writel(area->dx, &fbc->dx); |
| 537 | upa_writel(area->height, &fbc->bh); |
| 538 | upa_writel(area->width, &fbc->bw); |
| 539 | |
| 540 | spin_unlock_irqrestore(&par->lock, flags); |
| 541 | } |
| 542 | |
| 543 | /** |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 544 | * ffb_imageblit - Copies a image from system memory to the screen. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | * |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 546 | * @info: frame buffer structure that represents a single frame buffer |
| 547 | * @image: structure defining the image. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | */ |
| 549 | static void ffb_imageblit(struct fb_info *info, const struct fb_image *image) |
| 550 | { |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 551 | struct ffb_par *par = (struct ffb_par *)info->par; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 552 | struct ffb_fbc __iomem *fbc = par->fbc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | const u8 *data = image->data; |
| 554 | unsigned long flags; |
| 555 | u32 fg, bg, xy; |
| 556 | u64 fgbg; |
| 557 | int i, width, stride; |
| 558 | |
| 559 | if (image->depth > 1) { |
| 560 | cfb_imageblit(info, image); |
| 561 | return; |
| 562 | } |
| 563 | |
| 564 | fg = ((u32 *)info->pseudo_palette)[image->fg_color]; |
| 565 | bg = ((u32 *)info->pseudo_palette)[image->bg_color]; |
| 566 | fgbg = ((u64) fg << 32) | (u64) bg; |
| 567 | xy = (image->dy << 16) | image->dx; |
| 568 | width = image->width; |
| 569 | stride = ((width + 7) >> 3); |
| 570 | |
| 571 | spin_lock_irqsave(&par->lock, flags); |
| 572 | |
| 573 | if (fgbg != *(u64 *)&par->fg_cache) { |
| 574 | FFBFifo(par, 2); |
| 575 | upa_writeq(fgbg, &fbc->fg); |
| 576 | *(u64 *)&par->fg_cache = fgbg; |
| 577 | } |
| 578 | |
| 579 | if (width >= 32) { |
| 580 | FFBFifo(par, 1); |
| 581 | upa_writel(32, &fbc->fontw); |
| 582 | } |
| 583 | |
| 584 | while (width >= 32) { |
| 585 | const u8 *next_data = data + 4; |
| 586 | |
| 587 | FFBFifo(par, 1); |
| 588 | upa_writel(xy, &fbc->fontxy); |
| 589 | xy += (32 << 0); |
| 590 | |
| 591 | for (i = 0; i < image->height; i++) { |
| 592 | u32 val = (((u32)data[0] << 24) | |
| 593 | ((u32)data[1] << 16) | |
| 594 | ((u32)data[2] << 8) | |
| 595 | ((u32)data[3] << 0)); |
| 596 | FFBFifo(par, 1); |
| 597 | upa_writel(val, &fbc->font); |
| 598 | |
| 599 | data += stride; |
| 600 | } |
| 601 | |
| 602 | data = next_data; |
| 603 | width -= 32; |
| 604 | } |
| 605 | |
| 606 | if (width) { |
| 607 | FFBFifo(par, 2); |
| 608 | upa_writel(width, &fbc->fontw); |
| 609 | upa_writel(xy, &fbc->fontxy); |
| 610 | |
| 611 | for (i = 0; i < image->height; i++) { |
| 612 | u32 val = (((u32)data[0] << 24) | |
| 613 | ((u32)data[1] << 16) | |
| 614 | ((u32)data[2] << 8) | |
| 615 | ((u32)data[3] << 0)); |
| 616 | FFBFifo(par, 1); |
| 617 | upa_writel(val, &fbc->font); |
| 618 | |
| 619 | data += stride; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | spin_unlock_irqrestore(&par->lock, flags); |
| 624 | } |
| 625 | |
| 626 | static void ffb_fixup_var_rgb(struct fb_var_screeninfo *var) |
| 627 | { |
| 628 | var->red.offset = 0; |
| 629 | var->red.length = 8; |
| 630 | var->green.offset = 8; |
| 631 | var->green.length = 8; |
| 632 | var->blue.offset = 16; |
| 633 | var->blue.length = 8; |
| 634 | var->transp.offset = 0; |
| 635 | var->transp.length = 0; |
| 636 | } |
| 637 | |
| 638 | /** |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 639 | * ffb_setcolreg - Sets a color register. |
| 640 | * |
| 641 | * @regno: boolean, 0 copy local, 1 get_user() function |
| 642 | * @red: frame buffer colormap structure |
| 643 | * @green: The green value which can be up to 16 bits wide |
| 644 | * @blue: The blue value which can be up to 16 bits wide. |
| 645 | * @transp: If supported the alpha value which can be up to 16 bits wide. |
| 646 | * @info: frame buffer info structure |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | */ |
| 648 | static int ffb_setcolreg(unsigned regno, |
| 649 | unsigned red, unsigned green, unsigned blue, |
| 650 | unsigned transp, struct fb_info *info) |
| 651 | { |
| 652 | u32 value; |
| 653 | |
Antonino Daplas | d2fa9e0 | 2007-06-05 13:14:33 -0700 | [diff] [blame] | 654 | if (regno >= 16) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | return 1; |
| 656 | |
| 657 | red >>= 8; |
| 658 | green >>= 8; |
| 659 | blue >>= 8; |
| 660 | |
| 661 | value = (blue << 16) | (green << 8) | red; |
| 662 | ((u32 *)info->pseudo_palette)[regno] = value; |
| 663 | |
| 664 | return 0; |
| 665 | } |
| 666 | |
| 667 | /** |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 668 | * ffb_blank - Optional function. Blanks the display. |
| 669 | * @blank_mode: the blank mode we want. |
| 670 | * @info: frame buffer structure that represents a single frame buffer |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | */ |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 672 | static int ffb_blank(int blank, struct fb_info *info) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | { |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 674 | struct ffb_par *par = (struct ffb_par *)info->par; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 675 | struct ffb_dac __iomem *dac = par->dac; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | unsigned long flags; |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 677 | u32 val; |
| 678 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | |
| 680 | spin_lock_irqsave(&par->lock, flags); |
| 681 | |
| 682 | FFBWait(par); |
| 683 | |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 684 | upa_writel(FFB_DAC_TGEN, &dac->type); |
| 685 | val = upa_readl(&dac->value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | switch (blank) { |
| 687 | case FB_BLANK_UNBLANK: /* Unblanking */ |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 688 | val |= FFB_DAC_TGEN_VIDE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | par->flags &= ~FFB_FLAG_BLANKED; |
| 690 | break; |
| 691 | |
| 692 | case FB_BLANK_NORMAL: /* Normal blanking */ |
| 693 | case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ |
| 694 | case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ |
| 695 | case FB_BLANK_POWERDOWN: /* Poweroff */ |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 696 | val &= ~FFB_DAC_TGEN_VIDE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | par->flags |= FFB_FLAG_BLANKED; |
| 698 | break; |
| 699 | } |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 700 | upa_writel(FFB_DAC_TGEN, &dac->type); |
| 701 | upa_writel(val, &dac->value); |
| 702 | for (i = 0; i < 10; i++) { |
| 703 | upa_writel(FFB_DAC_TGEN, &dac->type); |
| 704 | upa_readl(&dac->value); |
| 705 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | |
| 707 | spin_unlock_irqrestore(&par->lock, flags); |
| 708 | |
| 709 | return 0; |
| 710 | } |
| 711 | |
| 712 | static struct sbus_mmap_map ffb_mmap_map[] = { |
| 713 | { |
| 714 | .voff = FFB_SFB8R_VOFF, |
| 715 | .poff = FFB_SFB8R_POFF, |
| 716 | .size = 0x0400000 |
| 717 | }, |
| 718 | { |
| 719 | .voff = FFB_SFB8G_VOFF, |
| 720 | .poff = FFB_SFB8G_POFF, |
| 721 | .size = 0x0400000 |
| 722 | }, |
| 723 | { |
| 724 | .voff = FFB_SFB8B_VOFF, |
| 725 | .poff = FFB_SFB8B_POFF, |
| 726 | .size = 0x0400000 |
| 727 | }, |
| 728 | { |
| 729 | .voff = FFB_SFB8X_VOFF, |
| 730 | .poff = FFB_SFB8X_POFF, |
| 731 | .size = 0x0400000 |
| 732 | }, |
| 733 | { |
| 734 | .voff = FFB_SFB32_VOFF, |
| 735 | .poff = FFB_SFB32_POFF, |
| 736 | .size = 0x1000000 |
| 737 | }, |
| 738 | { |
| 739 | .voff = FFB_SFB64_VOFF, |
| 740 | .poff = FFB_SFB64_POFF, |
| 741 | .size = 0x2000000 |
| 742 | }, |
| 743 | { |
| 744 | .voff = FFB_FBC_REGS_VOFF, |
| 745 | .poff = FFB_FBC_REGS_POFF, |
| 746 | .size = 0x0002000 |
| 747 | }, |
| 748 | { |
| 749 | .voff = FFB_BM_FBC_REGS_VOFF, |
| 750 | .poff = FFB_BM_FBC_REGS_POFF, |
| 751 | .size = 0x0002000 |
| 752 | }, |
| 753 | { |
| 754 | .voff = FFB_DFB8R_VOFF, |
| 755 | .poff = FFB_DFB8R_POFF, |
| 756 | .size = 0x0400000 |
| 757 | }, |
| 758 | { |
| 759 | .voff = FFB_DFB8G_VOFF, |
| 760 | .poff = FFB_DFB8G_POFF, |
| 761 | .size = 0x0400000 |
| 762 | }, |
| 763 | { |
| 764 | .voff = FFB_DFB8B_VOFF, |
| 765 | .poff = FFB_DFB8B_POFF, |
| 766 | .size = 0x0400000 |
| 767 | }, |
| 768 | { |
| 769 | .voff = FFB_DFB8X_VOFF, |
| 770 | .poff = FFB_DFB8X_POFF, |
| 771 | .size = 0x0400000 |
| 772 | }, |
| 773 | { |
| 774 | .voff = FFB_DFB24_VOFF, |
| 775 | .poff = FFB_DFB24_POFF, |
| 776 | .size = 0x1000000 |
| 777 | }, |
| 778 | { |
| 779 | .voff = FFB_DFB32_VOFF, |
| 780 | .poff = FFB_DFB32_POFF, |
| 781 | .size = 0x1000000 |
| 782 | }, |
| 783 | { |
| 784 | .voff = FFB_FBC_KREGS_VOFF, |
| 785 | .poff = FFB_FBC_KREGS_POFF, |
| 786 | .size = 0x0002000 |
| 787 | }, |
| 788 | { |
| 789 | .voff = FFB_DAC_VOFF, |
| 790 | .poff = FFB_DAC_POFF, |
| 791 | .size = 0x0002000 |
| 792 | }, |
| 793 | { |
| 794 | .voff = FFB_PROM_VOFF, |
| 795 | .poff = FFB_PROM_POFF, |
| 796 | .size = 0x0010000 |
| 797 | }, |
| 798 | { |
| 799 | .voff = FFB_EXP_VOFF, |
| 800 | .poff = FFB_EXP_POFF, |
| 801 | .size = 0x0002000 |
| 802 | }, |
| 803 | { |
| 804 | .voff = FFB_DFB422A_VOFF, |
| 805 | .poff = FFB_DFB422A_POFF, |
| 806 | .size = 0x0800000 |
| 807 | }, |
| 808 | { |
| 809 | .voff = FFB_DFB422AD_VOFF, |
| 810 | .poff = FFB_DFB422AD_POFF, |
| 811 | .size = 0x0800000 |
| 812 | }, |
| 813 | { |
| 814 | .voff = FFB_DFB24B_VOFF, |
| 815 | .poff = FFB_DFB24B_POFF, |
| 816 | .size = 0x1000000 |
| 817 | }, |
| 818 | { |
| 819 | .voff = FFB_DFB422B_VOFF, |
| 820 | .poff = FFB_DFB422B_POFF, |
| 821 | .size = 0x0800000 |
| 822 | }, |
| 823 | { |
| 824 | .voff = FFB_DFB422BD_VOFF, |
| 825 | .poff = FFB_DFB422BD_POFF, |
| 826 | .size = 0x0800000 |
| 827 | }, |
| 828 | { |
| 829 | .voff = FFB_SFB16Z_VOFF, |
| 830 | .poff = FFB_SFB16Z_POFF, |
| 831 | .size = 0x0800000 |
| 832 | }, |
| 833 | { |
| 834 | .voff = FFB_SFB8Z_VOFF, |
| 835 | .poff = FFB_SFB8Z_POFF, |
| 836 | .size = 0x0800000 |
| 837 | }, |
| 838 | { |
| 839 | .voff = FFB_SFB422_VOFF, |
| 840 | .poff = FFB_SFB422_POFF, |
| 841 | .size = 0x0800000 |
| 842 | }, |
| 843 | { |
| 844 | .voff = FFB_SFB422D_VOFF, |
| 845 | .poff = FFB_SFB422D_POFF, |
| 846 | .size = 0x0800000 |
| 847 | }, |
| 848 | { .size = 0 } |
| 849 | }; |
| 850 | |
Christoph Hellwig | 216d526 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 851 | static int ffb_mmap(struct fb_info *info, struct vm_area_struct *vma) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | { |
| 853 | struct ffb_par *par = (struct ffb_par *)info->par; |
| 854 | |
| 855 | return sbusfb_mmap_helper(ffb_mmap_map, |
| 856 | par->physbase, par->fbsize, |
| 857 | 0, vma); |
| 858 | } |
| 859 | |
Christoph Hellwig | 67a6680 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 860 | static int ffb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | { |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 862 | struct ffb_par *par = (struct ffb_par *)info->par; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | |
| 864 | return sbusfb_ioctl_helper(cmd, arg, info, |
| 865 | FBTYPE_CREATOR, 24, par->fbsize); |
| 866 | } |
| 867 | |
| 868 | /* |
| 869 | * Initialisation |
| 870 | */ |
| 871 | |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 872 | static void ffb_init_fix(struct fb_info *info) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | { |
| 874 | struct ffb_par *par = (struct ffb_par *)info->par; |
| 875 | const char *ffb_type_name; |
| 876 | |
| 877 | if (!(par->flags & FFB_FLAG_AFB)) { |
| 878 | if ((par->board_type & 0x7) == 0x3) |
| 879 | ffb_type_name = "Creator 3D"; |
| 880 | else |
| 881 | ffb_type_name = "Creator"; |
| 882 | } else |
| 883 | ffb_type_name = "Elite 3D"; |
| 884 | |
| 885 | strlcpy(info->fix.id, ffb_type_name, sizeof(info->fix.id)); |
| 886 | |
| 887 | info->fix.type = FB_TYPE_PACKED_PIXELS; |
| 888 | info->fix.visual = FB_VISUAL_TRUECOLOR; |
| 889 | |
| 890 | /* Framebuffer length is the same regardless of resolution. */ |
| 891 | info->fix.line_length = 8192; |
| 892 | |
| 893 | info->fix.accel = FB_ACCEL_SUN_CREATOR; |
| 894 | } |
| 895 | |
Krzysztof Helt | f9c97e5 | 2007-08-05 18:06:52 -0700 | [diff] [blame] | 896 | static int __devinit ffb_probe(struct of_device *op, |
| 897 | const struct of_device_id *match) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | { |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 899 | struct device_node *dp = op->node; |
| 900 | struct ffb_fbc __iomem *fbc; |
| 901 | struct ffb_dac __iomem *dac; |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 902 | struct fb_info *info; |
| 903 | struct ffb_par *par; |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 904 | u32 dac_pnum, dac_rev, dac_mrev; |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 905 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 907 | info = framebuffer_alloc(sizeof(struct ffb_par), &op->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 908 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 909 | err = -ENOMEM; |
| 910 | if (!info) |
| 911 | goto out_err; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 912 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 913 | par = info->par; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 914 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 915 | spin_lock_init(&par->lock); |
| 916 | par->fbc = of_ioremap(&op->resource[2], 0, |
| 917 | sizeof(struct ffb_fbc), "ffb fbc"); |
| 918 | if (!par->fbc) |
| 919 | goto out_release_fb; |
| 920 | |
| 921 | par->dac = of_ioremap(&op->resource[1], 0, |
| 922 | sizeof(struct ffb_dac), "ffb dac"); |
| 923 | if (!par->dac) |
| 924 | goto out_unmap_fbc; |
| 925 | |
| 926 | par->rop_cache = FFB_ROP_NEW; |
| 927 | par->physbase = op->resource[0].start; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | |
| 929 | /* Don't mention copyarea, so SCROLL_REDRAW is always |
| 930 | * used. It is the fastest on this chip. |
| 931 | */ |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 932 | info->flags = (FBINFO_DEFAULT | |
| 933 | /* FBINFO_HWACCEL_COPYAREA | */ |
| 934 | FBINFO_HWACCEL_FILLRECT | |
| 935 | FBINFO_HWACCEL_IMAGEBLIT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 936 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 937 | info->fbops = &ffb_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 938 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 939 | info->screen_base = (char *) par->physbase + FFB_DFB24_POFF; |
| 940 | info->pseudo_palette = par->pseudo_palette; |
| 941 | |
Robert Reif | 6cd5a86 | 2008-05-08 21:37:30 -0700 | [diff] [blame] | 942 | sbusfb_fill_var(&info->var, dp, 32); |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 943 | par->fbsize = PAGE_ALIGN(info->var.xres * info->var.yres * 4); |
| 944 | ffb_fixup_var_rgb(&info->var); |
| 945 | |
| 946 | info->var.accel_flags = FB_ACCELF_TEXT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 947 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 948 | if (!strcmp(dp->name, "SUNW,afb")) |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 949 | par->flags |= FFB_FLAG_AFB; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 950 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 951 | par->board_type = of_getintprop_default(dp, "board_type", 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 953 | fbc = par->fbc; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 954 | if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 955 | upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr); |
| 956 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 957 | dac = par->dac; |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 958 | upa_writel(FFB_DAC_DID, &dac->type); |
| 959 | dac_pnum = upa_readl(&dac->value); |
| 960 | dac_rev = (dac_pnum & FFB_DAC_DID_REV) >> FFB_DAC_DID_REV_SHIFT; |
| 961 | dac_pnum = (dac_pnum & FFB_DAC_DID_PNUM) >> FFB_DAC_DID_PNUM_SHIFT; |
| 962 | |
| 963 | upa_writel(FFB_DAC_UCTRL, &dac->type); |
| 964 | dac_mrev = upa_readl(&dac->value); |
| 965 | dac_mrev = (dac_mrev & FFB_DAC_UCTRL_MANREV) >> |
| 966 | FFB_DAC_UCTRL_MANREV_SHIFT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | |
| 968 | /* Elite3D has different DAC revision numbering, and no DAC revisions |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 969 | * have the reversed meaning of cursor enable. Otherwise, Pacifica 1 |
| 970 | * ramdacs with manufacturing revision less than 3 have inverted |
| 971 | * cursor logic. We identify Pacifica 1 as not Pacifica 2, the |
| 972 | * latter having a part number value of 0x236e. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 973 | */ |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 974 | if ((par->flags & FFB_FLAG_AFB) || dac_pnum == 0x236e) { |
| 975 | par->flags &= ~FFB_FLAG_INVCURSOR; |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 976 | } else { |
| 977 | if (dac_mrev < 3) |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 978 | par->flags |= FFB_FLAG_INVCURSOR; |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 979 | } |
| 980 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 981 | ffb_switch_from_graph(par); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 982 | |
| 983 | /* Unblank it just to be sure. When there are multiple |
| 984 | * FFB/AFB cards in the system, or it is not the OBP |
| 985 | * chosen console, it will have video outputs off in |
| 986 | * the DAC. |
| 987 | */ |
Robert Reif | 59f7137 | 2008-05-03 21:12:00 -0700 | [diff] [blame] | 988 | ffb_blank(FB_BLANK_UNBLANK, info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 990 | if (fb_alloc_cmap(&info->cmap, 256, 0)) |
| 991 | goto out_unmap_dac; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 992 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 993 | ffb_init_fix(info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 994 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 995 | err = register_framebuffer(info); |
| 996 | if (err < 0) |
| 997 | goto out_dealloc_cmap; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 998 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 999 | dev_set_drvdata(&op->dev, info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | |
Robert Reif | 194f1a68 | 2008-04-27 15:18:57 -0700 | [diff] [blame] | 1001 | printk(KERN_INFO "%s: %s at %016lx, type %d, " |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 1002 | "DAC pnum[%x] rev[%d] manuf_rev[%d]\n", |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1003 | dp->full_name, |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 1004 | ((par->flags & FFB_FLAG_AFB) ? "AFB" : "FFB"), |
| 1005 | par->physbase, par->board_type, |
David S. Miller | 37db9a3 | 2007-03-26 23:18:09 -0700 | [diff] [blame] | 1006 | dac_pnum, dac_rev, dac_mrev); |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1007 | |
| 1008 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1009 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 1010 | out_dealloc_cmap: |
| 1011 | fb_dealloc_cmap(&info->cmap); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 1013 | out_unmap_dac: |
| 1014 | of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc)); |
| 1015 | |
| 1016 | out_unmap_fbc: |
| 1017 | of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc)); |
| 1018 | |
| 1019 | out_release_fb: |
| 1020 | framebuffer_release(info); |
| 1021 | |
| 1022 | out_err: |
| 1023 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1024 | } |
| 1025 | |
David S. Miller | e3a411a3 | 2006-12-28 21:01:32 -0800 | [diff] [blame] | 1026 | static int __devexit ffb_remove(struct of_device *op) |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1027 | { |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 1028 | struct fb_info *info = dev_get_drvdata(&op->dev); |
| 1029 | struct ffb_par *par = info->par; |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1030 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 1031 | unregister_framebuffer(info); |
| 1032 | fb_dealloc_cmap(&info->cmap); |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1033 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 1034 | of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc)); |
| 1035 | of_iounmap(&op->resource[1], par->dac, sizeof(struct ffb_dac)); |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1036 | |
David S. Miller | c7f439b | 2007-07-27 22:31:46 -0700 | [diff] [blame] | 1037 | framebuffer_release(info); |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1038 | |
David S. Miller | e3a411a3 | 2006-12-28 21:01:32 -0800 | [diff] [blame] | 1039 | dev_set_drvdata(&op->dev, NULL); |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1040 | |
| 1041 | return 0; |
| 1042 | } |
| 1043 | |
David S. Miller | fd09831 | 2008-08-31 01:23:17 -0700 | [diff] [blame] | 1044 | static const struct of_device_id ffb_match[] = { |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1045 | { |
| 1046 | .name = "SUNW,ffb", |
| 1047 | }, |
| 1048 | { |
| 1049 | .name = "SUNW,afb", |
| 1050 | }, |
| 1051 | {}, |
| 1052 | }; |
| 1053 | MODULE_DEVICE_TABLE(of, ffb_match); |
| 1054 | |
| 1055 | static struct of_platform_driver ffb_driver = { |
| 1056 | .name = "ffb", |
| 1057 | .match_table = ffb_match, |
| 1058 | .probe = ffb_probe, |
| 1059 | .remove = __devexit_p(ffb_remove), |
| 1060 | }; |
| 1061 | |
Robert Reif | a2fb0ce | 2008-04-27 15:17:49 -0700 | [diff] [blame] | 1062 | static int __init ffb_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | if (fb_get_options("ffb", NULL)) |
| 1065 | return -ENODEV; |
| 1066 | |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1067 | return of_register_driver(&ffb_driver, &of_bus_type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | } |
| 1069 | |
Robert Reif | a2fb0ce | 2008-04-27 15:17:49 -0700 | [diff] [blame] | 1070 | static void __exit ffb_exit(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | { |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1072 | of_unregister_driver(&ffb_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1073 | } |
| 1074 | |
| 1075 | module_init(ffb_init); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1076 | module_exit(ffb_exit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1077 | |
| 1078 | MODULE_DESCRIPTION("framebuffer driver for Creator/Elite3D chipsets"); |
David S. Miller | 50312ce | 2006-06-29 14:35:52 -0700 | [diff] [blame] | 1079 | MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); |
| 1080 | MODULE_VERSION("2.0"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1081 | MODULE_LICENSE("GPL"); |