Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450. |
| 4 | * |
| 5 | * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> |
| 6 | * |
| 7 | * Portions Copyright (c) 2001 Matrox Graphics Inc. |
| 8 | * |
| 9 | * Version: 1.65 2002/08/14 |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include "matroxfb_maven.h" |
| 14 | #include "matroxfb_crtc2.h" |
| 15 | #include "matroxfb_misc.h" |
| 16 | #include "matroxfb_DAC1064.h" |
| 17 | #include <linux/matroxfb.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 18 | #include <linux/slab.h> |
Krzysztof Helt | 84902b7 | 2007-10-16 01:29:04 -0700 | [diff] [blame] | 19 | #include <linux/uaccess.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
| 21 | /* **************************************************** */ |
| 22 | |
| 23 | static int mem = 8192; |
| 24 | |
| 25 | module_param(mem, int, 0); |
| 26 | MODULE_PARM_DESC(mem, "Memory size reserved for dualhead (default=8MB)"); |
| 27 | |
| 28 | /* **************************************************** */ |
| 29 | |
| 30 | static int matroxfb_dh_setcolreg(unsigned regno, unsigned red, unsigned green, |
| 31 | unsigned blue, unsigned transp, struct fb_info* info) { |
| 32 | u_int32_t col; |
| 33 | #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) |
| 34 | |
| 35 | if (regno >= 16) |
| 36 | return 1; |
| 37 | if (m2info->fbcon.var.grayscale) { |
| 38 | /* gray = 0.30*R + 0.59*G + 0.11*B */ |
| 39 | red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; |
| 40 | } |
| 41 | red = CNVT_TOHW(red, m2info->fbcon.var.red.length); |
| 42 | green = CNVT_TOHW(green, m2info->fbcon.var.green.length); |
| 43 | blue = CNVT_TOHW(blue, m2info->fbcon.var.blue.length); |
| 44 | transp = CNVT_TOHW(transp, m2info->fbcon.var.transp.length); |
| 45 | |
| 46 | col = (red << m2info->fbcon.var.red.offset) | |
| 47 | (green << m2info->fbcon.var.green.offset) | |
| 48 | (blue << m2info->fbcon.var.blue.offset) | |
| 49 | (transp << m2info->fbcon.var.transp.offset); |
| 50 | |
| 51 | switch (m2info->fbcon.var.bits_per_pixel) { |
| 52 | case 16: |
| 53 | m2info->cmap[regno] = col | (col << 16); |
| 54 | break; |
| 55 | case 32: |
| 56 | m2info->cmap[regno] = col; |
| 57 | break; |
| 58 | } |
| 59 | return 0; |
| 60 | #undef m2info |
| 61 | } |
| 62 | |
| 63 | static void matroxfb_dh_restore(struct matroxfb_dh_fb_info* m2info, |
| 64 | struct my_timming* mt, |
| 65 | int mode, |
| 66 | unsigned int pos) { |
| 67 | u_int32_t tmp; |
| 68 | u_int32_t datactl; |
Jean Delvare | ee5a274 | 2009-09-22 16:47:50 -0700 | [diff] [blame] | 69 | struct matrox_fb_info *minfo = m2info->primary_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | |
| 71 | switch (mode) { |
| 72 | case 15: |
| 73 | tmp = 0x00200000; |
| 74 | break; |
| 75 | case 16: |
| 76 | tmp = 0x00400000; |
| 77 | break; |
| 78 | /* case 32: */ |
| 79 | default: |
| 80 | tmp = 0x00800000; |
| 81 | break; |
| 82 | } |
| 83 | tmp |= 0x00000001; /* enable CRTC2 */ |
| 84 | datactl = 0; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 85 | if (minfo->outputs[1].src == MATROXFB_SRC_CRTC2) { |
| 86 | if (minfo->devflags.g450dac) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | tmp |= 0x00000006; /* source from secondary pixel PLL */ |
| 88 | /* no vidrst when in monitor mode */ |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 89 | if (minfo->outputs[1].mode != MATROXFB_OUTPUT_MODE_MONITOR) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | tmp |= 0xC0001000; /* Enable H/V vidrst */ |
| 91 | } |
| 92 | } else { |
| 93 | tmp |= 0x00000002; /* source from VDOCLK */ |
| 94 | tmp |= 0xC0000000; /* enable vvidrst & hvidrst */ |
| 95 | /* MGA TVO is our clock source */ |
| 96 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 97 | } else if (minfo->outputs[0].src == MATROXFB_SRC_CRTC2) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 98 | tmp |= 0x00000004; /* source from pixclock */ |
| 99 | /* PIXPLL is our clock source */ |
| 100 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 101 | if (minfo->outputs[0].src == MATROXFB_SRC_CRTC2) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | tmp |= 0x00100000; /* connect CRTC2 to DAC */ |
| 103 | } |
| 104 | if (mt->interlaced) { |
| 105 | tmp |= 0x02000000; /* interlaced, second field is bigger, as G450 apparently ignores it */ |
| 106 | mt->VDisplay >>= 1; |
| 107 | mt->VSyncStart >>= 1; |
| 108 | mt->VSyncEnd >>= 1; |
| 109 | mt->VTotal >>= 1; |
| 110 | } |
| 111 | if ((mt->HTotal & 7) == 2) { |
| 112 | datactl |= 0x00000010; |
| 113 | mt->HTotal &= ~7; |
| 114 | } |
| 115 | tmp |= 0x10000000; /* 0x10000000 is VIDRST polarity */ |
| 116 | mga_outl(0x3C14, ((mt->HDisplay - 8) << 16) | (mt->HTotal - 8)); |
| 117 | mga_outl(0x3C18, ((mt->HSyncEnd - 8) << 16) | (mt->HSyncStart - 8)); |
| 118 | mga_outl(0x3C1C, ((mt->VDisplay - 1) << 16) | (mt->VTotal - 1)); |
| 119 | mga_outl(0x3C20, ((mt->VSyncEnd - 1) << 16) | (mt->VSyncStart - 1)); |
| 120 | mga_outl(0x3C24, ((mt->VSyncStart) << 16) | (mt->HSyncStart)); /* preload */ |
| 121 | { |
| 122 | u_int32_t linelen = m2info->fbcon.var.xres_virtual * (m2info->fbcon.var.bits_per_pixel >> 3); |
| 123 | if (tmp & 0x02000000) { |
| 124 | /* field #0 is smaller, so... */ |
| 125 | mga_outl(0x3C2C, pos); /* field #1 vmemory start */ |
| 126 | mga_outl(0x3C28, pos + linelen); /* field #0 vmemory start */ |
| 127 | linelen <<= 1; |
| 128 | m2info->interlaced = 1; |
| 129 | } else { |
| 130 | mga_outl(0x3C28, pos); /* vmemory start */ |
| 131 | m2info->interlaced = 0; |
| 132 | } |
| 133 | mga_outl(0x3C40, linelen); |
| 134 | } |
| 135 | mga_outl(0x3C4C, datactl); /* data control */ |
| 136 | if (tmp & 0x02000000) { |
| 137 | int i; |
| 138 | |
| 139 | mga_outl(0x3C10, tmp & ~0x02000000); |
| 140 | for (i = 0; i < 2; i++) { |
| 141 | unsigned int nl; |
| 142 | unsigned int lastl = 0; |
| 143 | |
| 144 | while ((nl = mga_inl(0x3C48) & 0xFFF) >= lastl) { |
| 145 | lastl = nl; |
| 146 | } |
| 147 | } |
| 148 | } |
| 149 | mga_outl(0x3C10, tmp); |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 150 | minfo->hw.crtc2.ctl = tmp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | |
| 152 | tmp = mt->VDisplay << 16; /* line compare */ |
| 153 | if (mt->sync & FB_SYNC_HOR_HIGH_ACT) |
| 154 | tmp |= 0x00000100; |
| 155 | if (mt->sync & FB_SYNC_VERT_HIGH_ACT) |
| 156 | tmp |= 0x00000200; |
| 157 | mga_outl(0x3C44, tmp); |
| 158 | } |
| 159 | |
| 160 | static void matroxfb_dh_disable(struct matroxfb_dh_fb_info* m2info) { |
Jean Delvare | ee5a274 | 2009-09-22 16:47:50 -0700 | [diff] [blame] | 161 | struct matrox_fb_info *minfo = m2info->primary_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | |
| 163 | mga_outl(0x3C10, 0x00000004); /* disable CRTC2, CRTC1->DAC1, PLL as clock source */ |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 164 | minfo->hw.crtc2.ctl = 0x00000004; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | } |
| 166 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | static void matroxfb_dh_pan_var(struct matroxfb_dh_fb_info* m2info, |
| 168 | struct fb_var_screeninfo* var) { |
| 169 | unsigned int pos; |
| 170 | unsigned int linelen; |
| 171 | unsigned int pixelsize; |
Jean Delvare | ee5a274 | 2009-09-22 16:47:50 -0700 | [diff] [blame] | 172 | struct matrox_fb_info *minfo = m2info->primary_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | |
| 174 | m2info->fbcon.var.xoffset = var->xoffset; |
| 175 | m2info->fbcon.var.yoffset = var->yoffset; |
| 176 | pixelsize = m2info->fbcon.var.bits_per_pixel >> 3; |
| 177 | linelen = m2info->fbcon.var.xres_virtual * pixelsize; |
| 178 | pos = m2info->fbcon.var.yoffset * linelen + m2info->fbcon.var.xoffset * pixelsize; |
| 179 | pos += m2info->video.offbase; |
| 180 | if (m2info->interlaced) { |
| 181 | mga_outl(0x3C2C, pos); |
| 182 | mga_outl(0x3C28, pos + linelen); |
| 183 | } else { |
| 184 | mga_outl(0x3C28, pos); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | static int matroxfb_dh_decode_var(struct matroxfb_dh_fb_info* m2info, |
| 189 | struct fb_var_screeninfo* var, |
| 190 | int *visual, |
| 191 | int *video_cmap_len, |
| 192 | int *mode) { |
| 193 | unsigned int mask; |
| 194 | unsigned int memlen; |
| 195 | unsigned int vramlen; |
| 196 | |
| 197 | switch (var->bits_per_pixel) { |
| 198 | case 16: mask = 0x1F; |
| 199 | break; |
| 200 | case 32: mask = 0x0F; |
| 201 | break; |
| 202 | default: return -EINVAL; |
| 203 | } |
| 204 | vramlen = m2info->video.len_usable; |
| 205 | if (var->yres_virtual < var->yres) |
| 206 | var->yres_virtual = var->yres; |
| 207 | if (var->xres_virtual < var->xres) |
| 208 | var->xres_virtual = var->xres; |
| 209 | var->xres_virtual = (var->xres_virtual + mask) & ~mask; |
| 210 | if (var->yres_virtual > 32767) |
| 211 | return -EINVAL; |
| 212 | memlen = var->xres_virtual * var->yres_virtual * (var->bits_per_pixel >> 3); |
| 213 | if (memlen > vramlen) |
| 214 | return -EINVAL; |
| 215 | if (var->xoffset + var->xres > var->xres_virtual) |
| 216 | var->xoffset = var->xres_virtual - var->xres; |
| 217 | if (var->yoffset + var->yres > var->yres_virtual) |
| 218 | var->yoffset = var->yres_virtual - var->yres; |
| 219 | |
| 220 | var->xres &= ~7; |
| 221 | var->left_margin &= ~7; |
| 222 | var->right_margin &= ~7; |
| 223 | var->hsync_len &= ~7; |
| 224 | |
| 225 | *mode = var->bits_per_pixel; |
| 226 | if (var->bits_per_pixel == 16) { |
| 227 | if (var->green.length == 5) { |
| 228 | var->red.offset = 10; |
| 229 | var->red.length = 5; |
| 230 | var->green.offset = 5; |
| 231 | var->green.length = 5; |
| 232 | var->blue.offset = 0; |
| 233 | var->blue.length = 5; |
| 234 | var->transp.offset = 15; |
| 235 | var->transp.length = 1; |
| 236 | *mode = 15; |
| 237 | } else { |
| 238 | var->red.offset = 11; |
| 239 | var->red.length = 5; |
| 240 | var->green.offset = 5; |
| 241 | var->green.length = 6; |
| 242 | var->blue.offset = 0; |
| 243 | var->blue.length = 5; |
| 244 | var->transp.offset = 0; |
| 245 | var->transp.length = 0; |
| 246 | } |
| 247 | } else { |
| 248 | var->red.offset = 16; |
| 249 | var->red.length = 8; |
| 250 | var->green.offset = 8; |
| 251 | var->green.length = 8; |
| 252 | var->blue.offset = 0; |
| 253 | var->blue.length = 8; |
| 254 | var->transp.offset = 24; |
| 255 | var->transp.length = 8; |
| 256 | } |
| 257 | *visual = FB_VISUAL_TRUECOLOR; |
| 258 | *video_cmap_len = 16; |
| 259 | return 0; |
| 260 | } |
| 261 | |
| 262 | static int matroxfb_dh_open(struct fb_info* info, int user) { |
| 263 | #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) |
Jean Delvare | ee5a274 | 2009-09-22 16:47:50 -0700 | [diff] [blame] | 264 | struct matrox_fb_info *minfo = m2info->primary_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 266 | if (minfo) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | int err; |
| 268 | |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 269 | if (minfo->dead) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | return -ENXIO; |
| 271 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 272 | err = minfo->fbops.fb_open(&minfo->fbcon, user); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | if (err) { |
| 274 | return err; |
| 275 | } |
| 276 | } |
| 277 | return 0; |
| 278 | #undef m2info |
| 279 | } |
| 280 | |
| 281 | static int matroxfb_dh_release(struct fb_info* info, int user) { |
| 282 | #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) |
| 283 | int err = 0; |
Jean Delvare | ee5a274 | 2009-09-22 16:47:50 -0700 | [diff] [blame] | 284 | struct matrox_fb_info *minfo = m2info->primary_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 286 | if (minfo) { |
| 287 | err = minfo->fbops.fb_release(&minfo->fbcon, user); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | } |
| 289 | return err; |
| 290 | #undef m2info |
| 291 | } |
| 292 | |
Krzysztof Helt | 99f5d48 | 2009-07-07 22:34:13 +0200 | [diff] [blame] | 293 | /* |
| 294 | * This function is called before the register_framebuffer so |
| 295 | * no locking is needed. |
| 296 | */ |
Krzysztof Helt | 537a1bf | 2009-06-30 11:41:29 -0700 | [diff] [blame] | 297 | static void matroxfb_dh_init_fix(struct matroxfb_dh_fb_info *m2info) |
| 298 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | struct fb_fix_screeninfo *fix = &m2info->fbcon.fix; |
| 300 | |
| 301 | strcpy(fix->id, "MATROX DH"); |
| 302 | |
| 303 | fix->smem_start = m2info->video.base; |
| 304 | fix->smem_len = m2info->video.len_usable; |
| 305 | fix->ypanstep = 1; |
| 306 | fix->ywrapstep = 0; |
| 307 | fix->xpanstep = 8; /* TBD */ |
| 308 | fix->mmio_start = m2info->mmio.base; |
| 309 | fix->mmio_len = m2info->mmio.len; |
| 310 | fix->accel = 0; /* no accel... */ |
| 311 | } |
| 312 | |
| 313 | static int matroxfb_dh_check_var(struct fb_var_screeninfo* var, struct fb_info* info) { |
| 314 | #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) |
| 315 | int visual; |
| 316 | int cmap_len; |
| 317 | int mode; |
| 318 | |
| 319 | return matroxfb_dh_decode_var(m2info, var, &visual, &cmap_len, &mode); |
| 320 | #undef m2info |
| 321 | } |
| 322 | |
| 323 | static int matroxfb_dh_set_par(struct fb_info* info) { |
| 324 | #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) |
| 325 | int visual; |
| 326 | int cmap_len; |
| 327 | int mode; |
| 328 | int err; |
| 329 | struct fb_var_screeninfo* var = &info->var; |
Jean Delvare | ee5a274 | 2009-09-22 16:47:50 -0700 | [diff] [blame] | 330 | struct matrox_fb_info *minfo = m2info->primary_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | |
| 332 | if ((err = matroxfb_dh_decode_var(m2info, var, &visual, &cmap_len, &mode)) != 0) |
| 333 | return err; |
| 334 | /* cmap */ |
| 335 | { |
| 336 | m2info->fbcon.screen_base = vaddr_va(m2info->video.vbase); |
| 337 | m2info->fbcon.fix.visual = visual; |
| 338 | m2info->fbcon.fix.type = FB_TYPE_PACKED_PIXELS; |
| 339 | m2info->fbcon.fix.type_aux = 0; |
| 340 | m2info->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3; |
| 341 | } |
| 342 | { |
| 343 | struct my_timming mt; |
| 344 | unsigned int pos; |
| 345 | int out; |
| 346 | int cnt; |
| 347 | |
| 348 | matroxfb_var2my(&m2info->fbcon.var, &mt); |
| 349 | mt.crtc = MATROXFB_SRC_CRTC2; |
| 350 | /* CRTC2 delay */ |
| 351 | mt.delay = 34; |
| 352 | |
| 353 | pos = (m2info->fbcon.var.yoffset * m2info->fbcon.var.xres_virtual + m2info->fbcon.var.xoffset) * m2info->fbcon.var.bits_per_pixel >> 3; |
| 354 | pos += m2info->video.offbase; |
| 355 | cnt = 0; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 356 | down_read(&minfo->altout.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 358 | if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | cnt++; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 360 | if (minfo->outputs[out].output->compute) { |
| 361 | minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | } |
| 363 | } |
| 364 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 365 | minfo->crtc2.pixclock = mt.pixclock; |
| 366 | minfo->crtc2.mnp = mt.mnp; |
| 367 | up_read(&minfo->altout.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | if (cnt) { |
| 369 | matroxfb_dh_restore(m2info, &mt, mode, pos); |
| 370 | } else { |
| 371 | matroxfb_dh_disable(m2info); |
| 372 | } |
Jean Delvare | 316b4d6 | 2009-09-22 16:47:49 -0700 | [diff] [blame] | 373 | DAC1064_global_init(minfo); |
| 374 | DAC1064_global_restore(minfo); |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 375 | down_read(&minfo->altout.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 377 | if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2 && |
| 378 | minfo->outputs[out].output->program) { |
| 379 | minfo->outputs[out].output->program(minfo->outputs[out].data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | } |
| 381 | } |
| 382 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 383 | if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2 && |
| 384 | minfo->outputs[out].output->start) { |
| 385 | minfo->outputs[out].output->start(minfo->outputs[out].data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | } |
| 387 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 388 | up_read(&minfo->altout.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | } |
| 390 | m2info->initialized = 1; |
| 391 | return 0; |
| 392 | #undef m2info |
| 393 | } |
| 394 | |
| 395 | static int matroxfb_dh_pan_display(struct fb_var_screeninfo* var, struct fb_info* info) { |
| 396 | #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) |
| 397 | matroxfb_dh_pan_var(m2info, var); |
| 398 | return 0; |
| 399 | #undef m2info |
| 400 | } |
| 401 | |
| 402 | static int matroxfb_dh_get_vblank(const struct matroxfb_dh_fb_info* m2info, struct fb_vblank* vblank) { |
Jean Delvare | ee5a274 | 2009-09-22 16:47:50 -0700 | [diff] [blame] | 403 | struct matrox_fb_info *minfo = m2info->primary_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | |
Jean Delvare | 316b4d6 | 2009-09-22 16:47:49 -0700 | [diff] [blame] | 405 | matroxfb_enable_irq(minfo, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | memset(vblank, 0, sizeof(*vblank)); |
| 407 | vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VBLANK; |
| 408 | /* mask out reserved bits + field number (odd/even) */ |
| 409 | vblank->vcount = mga_inl(0x3C48) & 0x000007FF; |
| 410 | /* compatibility stuff */ |
| 411 | if (vblank->vcount >= m2info->fbcon.var.yres) |
| 412 | vblank->flags |= FB_VBLANK_VBLANKING; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 413 | if (test_bit(0, &minfo->irq_flags)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | vblank->flags |= FB_VBLANK_HAVE_COUNT; |
| 415 | /* Only one writer, aligned int value... |
| 416 | it should work without lock and without atomic_t */ |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 417 | vblank->count = minfo->crtc2.vsync.cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | } |
| 419 | return 0; |
| 420 | } |
| 421 | |
Christoph Hellwig | 67a6680 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 422 | static int matroxfb_dh_ioctl(struct fb_info *info, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | unsigned int cmd, |
Christoph Hellwig | 67a6680 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 424 | unsigned long arg) |
| 425 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) |
Jean Delvare | ee5a274 | 2009-09-22 16:47:50 -0700 | [diff] [blame] | 427 | struct matrox_fb_info *minfo = m2info->primary_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | |
Harvey Harrison | 5ae1217 | 2008-04-28 02:15:47 -0700 | [diff] [blame] | 429 | DBG(__func__) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | |
| 431 | switch (cmd) { |
| 432 | case FBIOGET_VBLANK: |
| 433 | { |
| 434 | struct fb_vblank vblank; |
| 435 | int err; |
| 436 | |
| 437 | err = matroxfb_dh_get_vblank(m2info, &vblank); |
| 438 | if (err) |
| 439 | return err; |
| 440 | if (copy_to_user((void __user *)arg, &vblank, sizeof(vblank))) |
| 441 | return -EFAULT; |
| 442 | return 0; |
| 443 | } |
| 444 | case FBIO_WAITFORVSYNC: |
| 445 | { |
| 446 | u_int32_t crt; |
| 447 | |
| 448 | if (get_user(crt, (u_int32_t __user *)arg)) |
| 449 | return -EFAULT; |
| 450 | |
| 451 | if (crt != 0) |
| 452 | return -ENODEV; |
Jean Delvare | 316b4d6 | 2009-09-22 16:47:49 -0700 | [diff] [blame] | 453 | return matroxfb_wait_for_sync(minfo, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | } |
| 455 | case MATROXFB_SET_OUTPUT_MODE: |
| 456 | case MATROXFB_GET_OUTPUT_MODE: |
| 457 | case MATROXFB_GET_ALL_OUTPUTS: |
| 458 | { |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 459 | return minfo->fbcon.fbops->fb_ioctl(&minfo->fbcon, cmd, arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | } |
| 461 | case MATROXFB_SET_OUTPUT_CONNECTION: |
| 462 | { |
| 463 | u_int32_t tmp; |
| 464 | int out; |
| 465 | int changes; |
| 466 | |
| 467 | if (get_user(tmp, (u_int32_t __user *)arg)) |
| 468 | return -EFAULT; |
| 469 | for (out = 0; out < 32; out++) { |
| 470 | if (tmp & (1 << out)) { |
| 471 | if (out >= MATROXFB_MAX_OUTPUTS) |
| 472 | return -ENXIO; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 473 | if (!minfo->outputs[out].output) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | return -ENXIO; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 475 | switch (minfo->outputs[out].src) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | case MATROXFB_SRC_NONE: |
| 477 | case MATROXFB_SRC_CRTC2: |
| 478 | break; |
| 479 | default: |
| 480 | return -EBUSY; |
| 481 | } |
| 482 | } |
| 483 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 484 | if (minfo->devflags.panellink) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | if (tmp & MATROXFB_OUTPUT_CONN_DFP) |
| 486 | return -EINVAL; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 487 | if ((minfo->outputs[2].src == MATROXFB_SRC_CRTC1) && tmp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | return -EBUSY; |
| 489 | } |
| 490 | changes = 0; |
| 491 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { |
| 492 | if (tmp & (1 << out)) { |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 493 | if (minfo->outputs[out].src != MATROXFB_SRC_CRTC2) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | changes = 1; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 495 | minfo->outputs[out].src = MATROXFB_SRC_CRTC2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 497 | } else if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | changes = 1; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 499 | minfo->outputs[out].src = MATROXFB_SRC_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | } |
| 501 | } |
| 502 | if (!changes) |
| 503 | return 0; |
| 504 | matroxfb_dh_set_par(info); |
| 505 | return 0; |
| 506 | } |
| 507 | case MATROXFB_GET_OUTPUT_CONNECTION: |
| 508 | { |
| 509 | u_int32_t conn = 0; |
| 510 | int out; |
| 511 | |
| 512 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 513 | if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | conn |= 1 << out; |
| 515 | } |
| 516 | } |
| 517 | if (put_user(conn, (u_int32_t __user *)arg)) |
| 518 | return -EFAULT; |
| 519 | return 0; |
| 520 | } |
| 521 | case MATROXFB_GET_AVAILABLE_OUTPUTS: |
| 522 | { |
| 523 | u_int32_t tmp = 0; |
| 524 | int out; |
| 525 | |
| 526 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 527 | if (minfo->outputs[out].output) { |
| 528 | switch (minfo->outputs[out].src) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | case MATROXFB_SRC_NONE: |
| 530 | case MATROXFB_SRC_CRTC2: |
| 531 | tmp |= 1 << out; |
| 532 | break; |
| 533 | } |
| 534 | } |
| 535 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 536 | if (minfo->devflags.panellink) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | tmp &= ~MATROXFB_OUTPUT_CONN_DFP; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 538 | if (minfo->outputs[2].src == MATROXFB_SRC_CRTC1) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | tmp = 0; |
| 540 | } |
| 541 | } |
| 542 | if (put_user(tmp, (u_int32_t __user *)arg)) |
| 543 | return -EFAULT; |
| 544 | return 0; |
| 545 | } |
| 546 | } |
| 547 | return -ENOTTY; |
| 548 | #undef m2info |
| 549 | } |
| 550 | |
| 551 | static int matroxfb_dh_blank(int blank, struct fb_info* info) { |
| 552 | #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) |
| 553 | switch (blank) { |
| 554 | case 1: |
| 555 | case 2: |
| 556 | case 3: |
| 557 | case 4: |
| 558 | default:; |
| 559 | } |
| 560 | /* do something... */ |
| 561 | return 0; |
| 562 | #undef m2info |
| 563 | } |
| 564 | |
| 565 | static struct fb_ops matroxfb_dh_ops = { |
| 566 | .owner = THIS_MODULE, |
| 567 | .fb_open = matroxfb_dh_open, |
| 568 | .fb_release = matroxfb_dh_release, |
| 569 | .fb_check_var = matroxfb_dh_check_var, |
| 570 | .fb_set_par = matroxfb_dh_set_par, |
| 571 | .fb_setcolreg = matroxfb_dh_setcolreg, |
| 572 | .fb_pan_display =matroxfb_dh_pan_display, |
| 573 | .fb_blank = matroxfb_dh_blank, |
| 574 | .fb_ioctl = matroxfb_dh_ioctl, |
| 575 | .fb_fillrect = cfb_fillrect, |
| 576 | .fb_copyarea = cfb_copyarea, |
| 577 | .fb_imageblit = cfb_imageblit, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | }; |
| 579 | |
| 580 | static struct fb_var_screeninfo matroxfb_dh_defined = { |
| 581 | 640,480,640,480,/* W,H, virtual W,H */ |
| 582 | 0,0, /* offset */ |
| 583 | 32, /* depth */ |
| 584 | 0, /* gray */ |
| 585 | {0,0,0}, /* R */ |
| 586 | {0,0,0}, /* G */ |
| 587 | {0,0,0}, /* B */ |
| 588 | {0,0,0}, /* alpha */ |
| 589 | 0, /* nonstd */ |
| 590 | FB_ACTIVATE_NOW, |
| 591 | -1,-1, /* display size */ |
| 592 | 0, /* accel flags */ |
| 593 | 39721L,48L,16L,33L,10L, |
| 594 | 96L,2,0, /* no sync info */ |
| 595 | FB_VMODE_NONINTERLACED, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | }; |
| 597 | |
Jean Delvare | 316b4d6 | 2009-09-22 16:47:49 -0700 | [diff] [blame] | 598 | static int matroxfb_dh_regit(const struct matrox_fb_info *minfo, |
| 599 | struct matroxfb_dh_fb_info *m2info) |
| 600 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | #define minfo (m2info->primary_dev) |
| 602 | void* oldcrtc2; |
| 603 | |
| 604 | m2info->fbcon.fbops = &matroxfb_dh_ops; |
| 605 | m2info->fbcon.flags = FBINFO_FLAG_DEFAULT; |
| 606 | m2info->fbcon.flags |= FBINFO_HWACCEL_XPAN | |
| 607 | FBINFO_HWACCEL_YPAN; |
| 608 | m2info->fbcon.pseudo_palette = m2info->cmap; |
| 609 | fb_alloc_cmap(&m2info->fbcon.cmap, 256, 1); |
| 610 | |
| 611 | if (mem < 64) |
| 612 | mem *= 1024; |
| 613 | if (mem < 64*1024) |
| 614 | mem *= 1024; |
| 615 | mem &= ~0x00000FFF; /* PAGE_MASK? */ |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 616 | if (minfo->video.len_usable + mem <= minfo->video.len) |
| 617 | m2info->video.offbase = minfo->video.len - mem; |
| 618 | else if (minfo->video.len < mem) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | return -ENOMEM; |
| 620 | } else { /* check yres on first head... */ |
| 621 | m2info->video.borrowed = mem; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 622 | minfo->video.len_usable -= mem; |
| 623 | m2info->video.offbase = minfo->video.len_usable; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 625 | m2info->video.base = minfo->video.base + m2info->video.offbase; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | m2info->video.len = m2info->video.len_usable = m2info->video.len_maximum = mem; |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 627 | m2info->video.vbase.vaddr = vaddr_va(minfo->video.vbase) + m2info->video.offbase; |
| 628 | m2info->mmio.base = minfo->mmio.base; |
| 629 | m2info->mmio.vbase = minfo->mmio.vbase; |
| 630 | m2info->mmio.len = minfo->mmio.len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | |
| 632 | matroxfb_dh_init_fix(m2info); |
| 633 | if (register_framebuffer(&m2info->fbcon)) { |
| 634 | return -ENXIO; |
| 635 | } |
| 636 | if (!m2info->initialized) |
| 637 | fb_set_var(&m2info->fbcon, &matroxfb_dh_defined); |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 638 | down_write(&minfo->crtc2.lock); |
| 639 | oldcrtc2 = minfo->crtc2.info; |
| 640 | minfo->crtc2.info = m2info; |
| 641 | up_write(&minfo->crtc2.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 642 | if (oldcrtc2) { |
| 643 | printk(KERN_ERR "matroxfb_crtc2: Internal consistency check failed: crtc2 already present: %p\n", |
| 644 | oldcrtc2); |
| 645 | } |
| 646 | return 0; |
| 647 | #undef minfo |
| 648 | } |
| 649 | |
| 650 | /* ************************** */ |
| 651 | |
| 652 | static int matroxfb_dh_registerfb(struct matroxfb_dh_fb_info* m2info) { |
| 653 | #define minfo (m2info->primary_dev) |
Jean Delvare | 316b4d6 | 2009-09-22 16:47:49 -0700 | [diff] [blame] | 654 | if (matroxfb_dh_regit(minfo, m2info)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | printk(KERN_ERR "matroxfb_crtc2: secondary head failed to register\n"); |
| 656 | return -1; |
| 657 | } |
| 658 | printk(KERN_INFO "matroxfb_crtc2: secondary head of fb%u was registered as fb%u\n", |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 659 | minfo->fbcon.node, m2info->fbcon.node); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | m2info->fbcon_registered = 1; |
| 661 | return 0; |
| 662 | #undef minfo |
| 663 | } |
| 664 | |
| 665 | static void matroxfb_dh_deregisterfb(struct matroxfb_dh_fb_info* m2info) { |
| 666 | #define minfo (m2info->primary_dev) |
| 667 | if (m2info->fbcon_registered) { |
| 668 | int id; |
| 669 | struct matroxfb_dh_fb_info* crtc2; |
| 670 | |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 671 | down_write(&minfo->crtc2.lock); |
| 672 | crtc2 = minfo->crtc2.info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | if (crtc2 == m2info) |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 674 | minfo->crtc2.info = NULL; |
| 675 | up_write(&minfo->crtc2.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | if (crtc2 != m2info) { |
| 677 | printk(KERN_ERR "matroxfb_crtc2: Internal consistency check failed: crtc2 mismatch at unload: %p != %p\n", |
| 678 | crtc2, m2info); |
| 679 | printk(KERN_ERR "matroxfb_crtc2: Expect kernel crash after module unload.\n"); |
| 680 | return; |
| 681 | } |
| 682 | id = m2info->fbcon.node; |
| 683 | unregister_framebuffer(&m2info->fbcon); |
| 684 | /* return memory back to primary head */ |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 685 | minfo->video.len_usable += m2info->video.borrowed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | printk(KERN_INFO "matroxfb_crtc2: fb%u unregistered\n", id); |
| 687 | m2info->fbcon_registered = 0; |
| 688 | } |
| 689 | #undef minfo |
| 690 | } |
| 691 | |
| 692 | static void* matroxfb_crtc2_probe(struct matrox_fb_info* minfo) { |
| 693 | struct matroxfb_dh_fb_info* m2info; |
| 694 | |
| 695 | /* hardware is CRTC2 incapable... */ |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 696 | if (!minfo->devflags.crtc2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | return NULL; |
Jean Delvare | 2fdbe5c | 2007-02-12 00:55:07 -0800 | [diff] [blame] | 698 | m2info = kzalloc(sizeof(*m2info), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | if (!m2info) { |
| 700 | printk(KERN_ERR "matroxfb_crtc2: Not enough memory for CRTC2 control structs\n"); |
| 701 | return NULL; |
| 702 | } |
Jean Delvare | fc2d10d | 2009-09-22 16:47:48 -0700 | [diff] [blame] | 703 | m2info->primary_dev = minfo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | if (matroxfb_dh_registerfb(m2info)) { |
| 705 | kfree(m2info); |
| 706 | printk(KERN_ERR "matroxfb_crtc2: CRTC2 framebuffer failed to register\n"); |
| 707 | return NULL; |
| 708 | } |
| 709 | return m2info; |
| 710 | } |
| 711 | |
| 712 | static void matroxfb_crtc2_remove(struct matrox_fb_info* minfo, void* crtc2) { |
| 713 | matroxfb_dh_deregisterfb(crtc2); |
| 714 | kfree(crtc2); |
| 715 | } |
| 716 | |
| 717 | static struct matroxfb_driver crtc2 = { |
| 718 | .name = "Matrox G400 CRTC2", |
| 719 | .probe = matroxfb_crtc2_probe, |
| 720 | .remove = matroxfb_crtc2_remove }; |
| 721 | |
| 722 | static int matroxfb_crtc2_init(void) { |
| 723 | if (fb_get_options("matrox_crtc2fb", NULL)) |
| 724 | return -ENODEV; |
| 725 | |
| 726 | matroxfb_register_driver(&crtc2); |
| 727 | return 0; |
| 728 | } |
| 729 | |
| 730 | static void matroxfb_crtc2_exit(void) { |
| 731 | matroxfb_unregister_driver(&crtc2); |
| 732 | } |
| 733 | |
| 734 | MODULE_AUTHOR("(c) 1999-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); |
| 735 | MODULE_DESCRIPTION("Matrox G400 CRTC2 driver"); |
| 736 | MODULE_LICENSE("GPL"); |
| 737 | module_init(matroxfb_crtc2_init); |
| 738 | module_exit(matroxfb_crtc2_exit); |
| 739 | /* we do not have __setup() yet */ |