1 /* 2 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. 3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. 4 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public 7 * License as published by the Free Software Foundation; 8 * either version 2, or (at your option) any later version. 9 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even 12 * the implied warranty of MERCHANTABILITY or FITNESS FOR 13 * A PARTICULAR PURPOSE.See the GNU General Public License 14 * for more details. 15 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 20 */ 21 22 #include <linux/compiler.h> 23 #include <linux/module.h> 24 #include <linux/seq_file.h> 25 #include <linux/slab.h> 26 #include <linux/stat.h> 27 #include <linux/via-core.h> 28 #include <linux/via_i2c.h> 29 30 #define _MASTER_FILE 31 #include "global.h" 32 33 static char *viafb_name = "Via"; 34 static u32 pseudo_pal[17]; 35 36 /* video mode */ 37 static char *viafb_mode; 38 static char *viafb_mode1; 39 static int viafb_bpp = 32; 40 static int viafb_bpp1 = 32; 41 42 static unsigned int viafb_second_offset; 43 static int viafb_second_size; 44 45 static int viafb_accel = 1; 46 47 /* Added for specifying active devices.*/ 48 static char *viafb_active_dev; 49 50 /*Added for specify lcd output port*/ 51 static char *viafb_lcd_port = ""; 52 static char *viafb_dvi_port = ""; 53 54 static void retrieve_device_setting(struct viafb_ioctl_setting 55 *setting_info); 56 static int viafb_pan_display(struct fb_var_screeninfo *var, 57 struct fb_info *info); 58 59 static struct fb_ops viafb_ops; 60 61 /* supported output devices on each IGP 62 * only CX700, VX800, VX855, VX900 were documented 63 * VIA_CRT should be everywhere 64 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL 65 * source selection on CX700 and later 66 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c 67 */ 68 static const u32 supported_odev_map[] = { 69 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1, 70 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 71 | VIA_LVDS2, 72 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 73 | VIA_LVDS2, 74 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 75 | VIA_LVDS2, 76 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 77 | VIA_LVDS2, 78 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 79 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 80 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 81 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 82 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 83 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 84 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 85 [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 86 }; 87 88 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth) 89 { 90 var->grayscale = 0; 91 var->red.msb_right = 0; 92 var->green.msb_right = 0; 93 var->blue.msb_right = 0; 94 var->transp.offset = 0; 95 var->transp.length = 0; 96 var->transp.msb_right = 0; 97 var->nonstd = 0; 98 switch (depth) { 99 case 8: 100 var->bits_per_pixel = 8; 101 var->red.offset = 0; 102 var->green.offset = 0; 103 var->blue.offset = 0; 104 var->red.length = 8; 105 var->green.length = 8; 106 var->blue.length = 8; 107 break; 108 case 15: 109 var->bits_per_pixel = 16; 110 var->red.offset = 10; 111 var->green.offset = 5; 112 var->blue.offset = 0; 113 var->red.length = 5; 114 var->green.length = 5; 115 var->blue.length = 5; 116 break; 117 case 16: 118 var->bits_per_pixel = 16; 119 var->red.offset = 11; 120 var->green.offset = 5; 121 var->blue.offset = 0; 122 var->red.length = 5; 123 var->green.length = 6; 124 var->blue.length = 5; 125 break; 126 case 24: 127 var->bits_per_pixel = 32; 128 var->red.offset = 16; 129 var->green.offset = 8; 130 var->blue.offset = 0; 131 var->red.length = 8; 132 var->green.length = 8; 133 var->blue.length = 8; 134 break; 135 case 30: 136 var->bits_per_pixel = 32; 137 var->red.offset = 20; 138 var->green.offset = 10; 139 var->blue.offset = 0; 140 var->red.length = 10; 141 var->green.length = 10; 142 var->blue.length = 10; 143 break; 144 } 145 } 146 147 static void viafb_update_fix(struct fb_info *info) 148 { 149 u32 bpp = info->var.bits_per_pixel; 150 151 info->fix.visual = 152 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; 153 info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8, 154 VIA_PITCH_SIZE); 155 } 156 157 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix, 158 struct viafb_par *viaparinfo) 159 { 160 memset(fix, 0, sizeof(struct fb_fix_screeninfo)); 161 strcpy(fix->id, viafb_name); 162 163 fix->smem_start = viaparinfo->fbmem; 164 fix->smem_len = viaparinfo->fbmem_free; 165 166 fix->type = FB_TYPE_PACKED_PIXELS; 167 fix->type_aux = 0; 168 fix->visual = FB_VISUAL_TRUECOLOR; 169 170 fix->xpanstep = fix->ywrapstep = 0; 171 fix->ypanstep = 1; 172 173 /* Just tell the accel name */ 174 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME; 175 } 176 static int viafb_open(struct fb_info *info, int user) 177 { 178 DEBUG_MSG(KERN_INFO "viafb_open!\n"); 179 return 0; 180 } 181 182 static int viafb_release(struct fb_info *info, int user) 183 { 184 DEBUG_MSG(KERN_INFO "viafb_release!\n"); 185 return 0; 186 } 187 188 static inline int get_var_refresh(struct fb_var_screeninfo *var) 189 { 190 u32 htotal, vtotal; 191 192 htotal = var->left_margin + var->xres + var->right_margin 193 + var->hsync_len; 194 vtotal = var->upper_margin + var->yres + var->lower_margin 195 + var->vsync_len; 196 return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal); 197 } 198 199 static int viafb_check_var(struct fb_var_screeninfo *var, 200 struct fb_info *info) 201 { 202 int depth, refresh; 203 struct viafb_par *ppar = info->par; 204 u32 line; 205 206 DEBUG_MSG(KERN_INFO "viafb_check_var!\n"); 207 /* Sanity check */ 208 /* HW neither support interlacte nor double-scaned mode */ 209 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE) 210 return -EINVAL; 211 212 /* the refresh rate is not important here, as we only want to know 213 * whether the resolution exists 214 */ 215 if (!viafb_get_best_mode(var->xres, var->yres, 60)) { 216 DEBUG_MSG(KERN_INFO 217 "viafb: Mode %dx%dx%d not supported!!\n", 218 var->xres, var->yres, var->bits_per_pixel); 219 return -EINVAL; 220 } 221 222 depth = fb_get_color_depth(var, &info->fix); 223 if (!depth) 224 depth = var->bits_per_pixel; 225 226 if (depth < 0 || depth > 32) 227 return -EINVAL; 228 else if (!depth) 229 depth = 24; 230 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1) 231 depth = 15; 232 else if (depth == 30) 233 depth = 30; 234 else if (depth <= 8) 235 depth = 8; 236 else if (depth <= 16) 237 depth = 16; 238 else 239 depth = 24; 240 241 viafb_fill_var_color_info(var, depth); 242 if (var->xres_virtual < var->xres) 243 var->xres_virtual = var->xres; 244 245 line = ALIGN(var->xres_virtual * var->bits_per_pixel / 8, 246 VIA_PITCH_SIZE); 247 if (line > VIA_PITCH_MAX || line * var->yres_virtual > ppar->memsize) 248 return -EINVAL; 249 250 /* Based on var passed in to calculate the refresh, 251 * because our driver use some modes special. 252 */ 253 refresh = viafb_get_refresh(var->xres, var->yres, 254 get_var_refresh(var)); 255 256 /* Adjust var according to our driver's own table */ 257 viafb_fill_var_timing_info(var, 258 viafb_get_best_mode(var->xres, var->yres, refresh)); 259 if (var->accel_flags & FB_ACCELF_TEXT && 260 !ppar->shared->vdev->engine_mmio) 261 var->accel_flags = 0; 262 263 return 0; 264 } 265 266 static int viafb_set_par(struct fb_info *info) 267 { 268 struct viafb_par *viapar = info->par; 269 int refresh; 270 DEBUG_MSG(KERN_INFO "viafb_set_par!\n"); 271 272 viafb_update_fix(info); 273 viapar->depth = fb_get_color_depth(&info->var, &info->fix); 274 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres, 275 viafbinfo->var.bits_per_pixel, 0); 276 277 if (viafb_dual_fb) { 278 viafb_update_device_setting(viafbinfo1->var.xres, 279 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel, 280 1); 281 } else if (viafb_SAMM_ON == 1) { 282 DEBUG_MSG(KERN_INFO 283 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n", 284 viafb_second_xres, viafb_second_yres, viafb_bpp1); 285 286 viafb_update_device_setting(viafb_second_xres, 287 viafb_second_yres, viafb_bpp1, 1); 288 } 289 290 refresh = get_var_refresh(&info->var); 291 if (viafb_dual_fb && viapar->iga_path == IGA2) { 292 viafb_bpp1 = info->var.bits_per_pixel; 293 viafb_refresh1 = refresh; 294 } else { 295 viafb_bpp = info->var.bits_per_pixel; 296 viafb_refresh = refresh; 297 } 298 299 if (info->var.accel_flags & FB_ACCELF_TEXT) 300 info->flags &= ~FBINFO_HWACCEL_DISABLED; 301 else 302 info->flags |= FBINFO_HWACCEL_DISABLED; 303 viafb_setmode(); 304 viafb_pan_display(&info->var, info); 305 306 return 0; 307 } 308 309 /* Set one color register */ 310 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green, 311 unsigned blue, unsigned transp, struct fb_info *info) 312 { 313 struct viafb_par *viapar = info->par; 314 u32 r, g, b; 315 316 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) { 317 if (regno > 255) 318 return -EINVAL; 319 320 if (!viafb_dual_fb || viapar->iga_path == IGA1) 321 viafb_set_primary_color_register(regno, red >> 8, 322 green >> 8, blue >> 8); 323 324 if (!viafb_dual_fb || viapar->iga_path == IGA2) 325 viafb_set_secondary_color_register(regno, red >> 8, 326 green >> 8, blue >> 8); 327 } else { 328 if (regno > 15) 329 return -EINVAL; 330 331 r = (red >> (16 - info->var.red.length)) 332 << info->var.red.offset; 333 b = (blue >> (16 - info->var.blue.length)) 334 << info->var.blue.offset; 335 g = (green >> (16 - info->var.green.length)) 336 << info->var.green.offset; 337 ((u32 *) info->pseudo_palette)[regno] = r | g | b; 338 } 339 340 return 0; 341 } 342 343 static int viafb_pan_display(struct fb_var_screeninfo *var, 344 struct fb_info *info) 345 { 346 struct viafb_par *viapar = info->par; 347 u32 vram_addr = viapar->vram_addr 348 + var->yoffset * info->fix.line_length 349 + var->xoffset * info->var.bits_per_pixel / 8; 350 351 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr); 352 if (!viafb_dual_fb) { 353 via_set_primary_address(vram_addr); 354 via_set_secondary_address(vram_addr); 355 } else if (viapar->iga_path == IGA1) 356 via_set_primary_address(vram_addr); 357 else 358 via_set_secondary_address(vram_addr); 359 360 return 0; 361 } 362 363 static int viafb_blank(int blank_mode, struct fb_info *info) 364 { 365 DEBUG_MSG(KERN_INFO "viafb_blank!\n"); 366 /* clear DPMS setting */ 367 368 switch (blank_mode) { 369 case FB_BLANK_UNBLANK: 370 /* Screen: On, HSync: On, VSync: On */ 371 /* control CRT monitor power management */ 372 via_set_state(VIA_CRT, VIA_STATE_ON); 373 break; 374 case FB_BLANK_HSYNC_SUSPEND: 375 /* Screen: Off, HSync: Off, VSync: On */ 376 /* control CRT monitor power management */ 377 via_set_state(VIA_CRT, VIA_STATE_STANDBY); 378 break; 379 case FB_BLANK_VSYNC_SUSPEND: 380 /* Screen: Off, HSync: On, VSync: Off */ 381 /* control CRT monitor power management */ 382 via_set_state(VIA_CRT, VIA_STATE_SUSPEND); 383 break; 384 case FB_BLANK_POWERDOWN: 385 /* Screen: Off, HSync: Off, VSync: Off */ 386 /* control CRT monitor power management */ 387 via_set_state(VIA_CRT, VIA_STATE_OFF); 388 break; 389 } 390 391 return 0; 392 } 393 394 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) 395 { 396 union { 397 struct viafb_ioctl_mode viamode; 398 struct viafb_ioctl_samm viasamm; 399 struct viafb_driver_version driver_version; 400 struct fb_var_screeninfo sec_var; 401 struct _panel_size_pos_info panel_pos_size_para; 402 struct viafb_ioctl_setting viafb_setting; 403 struct device_t active_dev; 404 } u; 405 u32 state_info = 0; 406 u32 *viafb_gamma_table; 407 char driver_name[] = "viafb"; 408 409 u32 __user *argp = (u32 __user *) arg; 410 u32 gpu32; 411 412 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd); 413 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n"); 414 memset(&u, 0, sizeof(u)); 415 416 switch (cmd) { 417 case VIAFB_GET_CHIP_INFO: 418 if (copy_to_user(argp, viaparinfo->chip_info, 419 sizeof(struct chip_information))) 420 return -EFAULT; 421 break; 422 case VIAFB_GET_INFO_SIZE: 423 return put_user((u32)sizeof(struct viafb_ioctl_info), argp); 424 case VIAFB_GET_INFO: 425 return viafb_ioctl_get_viafb_info(arg); 426 case VIAFB_HOTPLUG: 427 return put_user(viafb_ioctl_hotplug(info->var.xres, 428 info->var.yres, 429 info->var.bits_per_pixel), argp); 430 case VIAFB_SET_HOTPLUG_FLAG: 431 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 432 return -EFAULT; 433 viafb_hotplug = (gpu32) ? 1 : 0; 434 break; 435 case VIAFB_GET_RESOLUTION: 436 u.viamode.xres = (u32) viafb_hotplug_Xres; 437 u.viamode.yres = (u32) viafb_hotplug_Yres; 438 u.viamode.refresh = (u32) viafb_hotplug_refresh; 439 u.viamode.bpp = (u32) viafb_hotplug_bpp; 440 if (viafb_SAMM_ON == 1) { 441 u.viamode.xres_sec = viafb_second_xres; 442 u.viamode.yres_sec = viafb_second_yres; 443 u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual; 444 u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual; 445 u.viamode.refresh_sec = viafb_refresh1; 446 u.viamode.bpp_sec = viafb_bpp1; 447 } else { 448 u.viamode.xres_sec = 0; 449 u.viamode.yres_sec = 0; 450 u.viamode.virtual_xres_sec = 0; 451 u.viamode.virtual_yres_sec = 0; 452 u.viamode.refresh_sec = 0; 453 u.viamode.bpp_sec = 0; 454 } 455 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode))) 456 return -EFAULT; 457 break; 458 case VIAFB_GET_SAMM_INFO: 459 u.viasamm.samm_status = viafb_SAMM_ON; 460 461 if (viafb_SAMM_ON == 1) { 462 if (viafb_dual_fb) { 463 u.viasamm.size_prim = viaparinfo->fbmem_free; 464 u.viasamm.size_sec = viaparinfo1->fbmem_free; 465 } else { 466 if (viafb_second_size) { 467 u.viasamm.size_prim = 468 viaparinfo->fbmem_free - 469 viafb_second_size * 1024 * 1024; 470 u.viasamm.size_sec = 471 viafb_second_size * 1024 * 1024; 472 } else { 473 u.viasamm.size_prim = 474 viaparinfo->fbmem_free >> 1; 475 u.viasamm.size_sec = 476 (viaparinfo->fbmem_free >> 1); 477 } 478 } 479 u.viasamm.mem_base = viaparinfo->fbmem; 480 u.viasamm.offset_sec = viafb_second_offset; 481 } else { 482 u.viasamm.size_prim = 483 viaparinfo->memsize - viaparinfo->fbmem_used; 484 u.viasamm.size_sec = 0; 485 u.viasamm.mem_base = viaparinfo->fbmem; 486 u.viasamm.offset_sec = 0; 487 } 488 489 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm))) 490 return -EFAULT; 491 492 break; 493 case VIAFB_TURN_ON_OUTPUT_DEVICE: 494 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 495 return -EFAULT; 496 if (gpu32 & CRT_Device) 497 via_set_state(VIA_CRT, VIA_STATE_ON); 498 if (gpu32 & DVI_Device) 499 viafb_dvi_enable(); 500 if (gpu32 & LCD_Device) 501 viafb_lcd_enable(); 502 break; 503 case VIAFB_TURN_OFF_OUTPUT_DEVICE: 504 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 505 return -EFAULT; 506 if (gpu32 & CRT_Device) 507 via_set_state(VIA_CRT, VIA_STATE_OFF); 508 if (gpu32 & DVI_Device) 509 viafb_dvi_disable(); 510 if (gpu32 & LCD_Device) 511 viafb_lcd_disable(); 512 break; 513 case VIAFB_GET_DEVICE: 514 u.active_dev.crt = viafb_CRT_ON; 515 u.active_dev.dvi = viafb_DVI_ON; 516 u.active_dev.lcd = viafb_LCD_ON; 517 u.active_dev.samm = viafb_SAMM_ON; 518 u.active_dev.primary_dev = viafb_primary_dev; 519 520 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; 521 u.active_dev.lcd_panel_id = viafb_lcd_panel_id; 522 u.active_dev.lcd_mode = viafb_lcd_mode; 523 524 u.active_dev.xres = viafb_hotplug_Xres; 525 u.active_dev.yres = viafb_hotplug_Yres; 526 527 u.active_dev.xres1 = viafb_second_xres; 528 u.active_dev.yres1 = viafb_second_yres; 529 530 u.active_dev.bpp = viafb_bpp; 531 u.active_dev.bpp1 = viafb_bpp1; 532 u.active_dev.refresh = viafb_refresh; 533 u.active_dev.refresh1 = viafb_refresh1; 534 535 u.active_dev.epia_dvi = viafb_platform_epia_dvi; 536 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; 537 u.active_dev.bus_width = viafb_bus_width; 538 539 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev))) 540 return -EFAULT; 541 break; 542 543 case VIAFB_GET_DRIVER_VERSION: 544 u.driver_version.iMajorNum = VERSION_MAJOR; 545 u.driver_version.iKernelNum = VERSION_KERNEL; 546 u.driver_version.iOSNum = VERSION_OS; 547 u.driver_version.iMinorNum = VERSION_MINOR; 548 549 if (copy_to_user(argp, &u.driver_version, 550 sizeof(u.driver_version))) 551 return -EFAULT; 552 553 break; 554 555 case VIAFB_GET_DEVICE_INFO: 556 557 retrieve_device_setting(&u.viafb_setting); 558 559 if (copy_to_user(argp, &u.viafb_setting, 560 sizeof(u.viafb_setting))) 561 return -EFAULT; 562 563 break; 564 565 case VIAFB_GET_DEVICE_SUPPORT: 566 viafb_get_device_support_state(&state_info); 567 if (put_user(state_info, argp)) 568 return -EFAULT; 569 break; 570 571 case VIAFB_GET_DEVICE_CONNECT: 572 viafb_get_device_connect_state(&state_info); 573 if (put_user(state_info, argp)) 574 return -EFAULT; 575 break; 576 577 case VIAFB_GET_PANEL_SUPPORT_EXPAND: 578 state_info = 579 viafb_lcd_get_support_expand_state(info->var.xres, 580 info->var.yres); 581 if (put_user(state_info, argp)) 582 return -EFAULT; 583 break; 584 585 case VIAFB_GET_DRIVER_NAME: 586 if (copy_to_user(argp, driver_name, sizeof(driver_name))) 587 return -EFAULT; 588 break; 589 590 case VIAFB_SET_GAMMA_LUT: 591 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32)); 592 if (IS_ERR(viafb_gamma_table)) 593 return PTR_ERR(viafb_gamma_table); 594 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table); 595 kfree(viafb_gamma_table); 596 break; 597 598 case VIAFB_GET_GAMMA_LUT: 599 viafb_gamma_table = kmalloc_array(256, sizeof(u32), 600 GFP_KERNEL); 601 if (!viafb_gamma_table) 602 return -ENOMEM; 603 viafb_get_gamma_table(viafb_gamma_table); 604 if (copy_to_user(argp, viafb_gamma_table, 605 256 * sizeof(u32))) { 606 kfree(viafb_gamma_table); 607 return -EFAULT; 608 } 609 kfree(viafb_gamma_table); 610 break; 611 612 case VIAFB_GET_GAMMA_SUPPORT_STATE: 613 viafb_get_gamma_support_state(viafb_bpp, &state_info); 614 if (put_user(state_info, argp)) 615 return -EFAULT; 616 break; 617 case VIAFB_SYNC_SURFACE: 618 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n"); 619 break; 620 case VIAFB_GET_DRIVER_CAPS: 621 break; 622 623 case VIAFB_GET_PANEL_MAX_SIZE: 624 if (copy_from_user(&u.panel_pos_size_para, argp, 625 sizeof(u.panel_pos_size_para))) 626 return -EFAULT; 627 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 628 if (copy_to_user(argp, &u.panel_pos_size_para, 629 sizeof(u.panel_pos_size_para))) 630 return -EFAULT; 631 break; 632 case VIAFB_GET_PANEL_MAX_POSITION: 633 if (copy_from_user(&u.panel_pos_size_para, argp, 634 sizeof(u.panel_pos_size_para))) 635 return -EFAULT; 636 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 637 if (copy_to_user(argp, &u.panel_pos_size_para, 638 sizeof(u.panel_pos_size_para))) 639 return -EFAULT; 640 break; 641 642 case VIAFB_GET_PANEL_POSITION: 643 if (copy_from_user(&u.panel_pos_size_para, argp, 644 sizeof(u.panel_pos_size_para))) 645 return -EFAULT; 646 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 647 if (copy_to_user(argp, &u.panel_pos_size_para, 648 sizeof(u.panel_pos_size_para))) 649 return -EFAULT; 650 break; 651 case VIAFB_GET_PANEL_SIZE: 652 if (copy_from_user(&u.panel_pos_size_para, argp, 653 sizeof(u.panel_pos_size_para))) 654 return -EFAULT; 655 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 656 if (copy_to_user(argp, &u.panel_pos_size_para, 657 sizeof(u.panel_pos_size_para))) 658 return -EFAULT; 659 break; 660 661 case VIAFB_SET_PANEL_POSITION: 662 if (copy_from_user(&u.panel_pos_size_para, argp, 663 sizeof(u.panel_pos_size_para))) 664 return -EFAULT; 665 break; 666 case VIAFB_SET_PANEL_SIZE: 667 if (copy_from_user(&u.panel_pos_size_para, argp, 668 sizeof(u.panel_pos_size_para))) 669 return -EFAULT; 670 break; 671 672 default: 673 return -EINVAL; 674 } 675 676 return 0; 677 } 678 679 static void viafb_fillrect(struct fb_info *info, 680 const struct fb_fillrect *rect) 681 { 682 struct viafb_par *viapar = info->par; 683 struct viafb_shared *shared = viapar->shared; 684 u32 fg_color; 685 u8 rop; 686 687 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { 688 cfb_fillrect(info, rect); 689 return; 690 } 691 692 if (!rect->width || !rect->height) 693 return; 694 695 if (info->fix.visual == FB_VISUAL_TRUECOLOR) 696 fg_color = ((u32 *)info->pseudo_palette)[rect->color]; 697 else 698 fg_color = rect->color; 699 700 if (rect->rop == ROP_XOR) 701 rop = 0x5A; 702 else 703 rop = 0xF0; 704 705 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n"); 706 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL, 707 rect->width, rect->height, info->var.bits_per_pixel, 708 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy, 709 NULL, 0, 0, 0, 0, fg_color, 0, rop)) 710 cfb_fillrect(info, rect); 711 } 712 713 static void viafb_copyarea(struct fb_info *info, 714 const struct fb_copyarea *area) 715 { 716 struct viafb_par *viapar = info->par; 717 struct viafb_shared *shared = viapar->shared; 718 719 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { 720 cfb_copyarea(info, area); 721 return; 722 } 723 724 if (!area->width || !area->height) 725 return; 726 727 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n"); 728 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR, 729 area->width, area->height, info->var.bits_per_pixel, 730 viapar->vram_addr, info->fix.line_length, area->dx, area->dy, 731 NULL, viapar->vram_addr, info->fix.line_length, 732 area->sx, area->sy, 0, 0, 0)) 733 cfb_copyarea(info, area); 734 } 735 736 static void viafb_imageblit(struct fb_info *info, 737 const struct fb_image *image) 738 { 739 struct viafb_par *viapar = info->par; 740 struct viafb_shared *shared = viapar->shared; 741 u32 fg_color = 0, bg_color = 0; 742 u8 op; 743 744 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt || 745 (image->depth != 1 && image->depth != viapar->depth)) { 746 cfb_imageblit(info, image); 747 return; 748 } 749 750 if (image->depth == 1) { 751 op = VIA_BITBLT_MONO; 752 if (info->fix.visual == FB_VISUAL_TRUECOLOR) { 753 fg_color = 754 ((u32 *)info->pseudo_palette)[image->fg_color]; 755 bg_color = 756 ((u32 *)info->pseudo_palette)[image->bg_color]; 757 } else { 758 fg_color = image->fg_color; 759 bg_color = image->bg_color; 760 } 761 } else 762 op = VIA_BITBLT_COLOR; 763 764 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n"); 765 if (shared->hw_bitblt(shared->vdev->engine_mmio, op, 766 image->width, image->height, info->var.bits_per_pixel, 767 viapar->vram_addr, info->fix.line_length, image->dx, image->dy, 768 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0)) 769 cfb_imageblit(info, image); 770 } 771 772 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) 773 { 774 struct viafb_par *viapar = info->par; 775 void __iomem *engine = viapar->shared->vdev->engine_mmio; 776 u32 temp, xx, yy, bg_color = 0, fg_color = 0, 777 chip_name = viapar->shared->chip_info.gfx_chip_name; 778 int i, j = 0, cur_size = 64; 779 780 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo) 781 return -ENODEV; 782 783 /* LCD ouput does not support hw cursors (at least on VN896) */ 784 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) || 785 viafb_LCD_ON) 786 return -ENODEV; 787 788 viafb_show_hw_cursor(info, HW_Cursor_OFF); 789 790 if (cursor->set & FB_CUR_SETHOT) { 791 temp = (cursor->hot.x << 16) + cursor->hot.y; 792 writel(temp, engine + VIA_REG_CURSOR_ORG); 793 } 794 795 if (cursor->set & FB_CUR_SETPOS) { 796 yy = cursor->image.dy - info->var.yoffset; 797 xx = cursor->image.dx - info->var.xoffset; 798 temp = yy & 0xFFFF; 799 temp |= (xx << 16); 800 writel(temp, engine + VIA_REG_CURSOR_POS); 801 } 802 803 if (cursor->image.width <= 32 && cursor->image.height <= 32) 804 cur_size = 32; 805 else if (cursor->image.width <= 64 && cursor->image.height <= 64) 806 cur_size = 64; 807 else { 808 printk(KERN_WARNING "viafb_cursor: The cursor is too large " 809 "%dx%d", cursor->image.width, cursor->image.height); 810 return -ENXIO; 811 } 812 813 if (cursor->set & FB_CUR_SETSIZE) { 814 temp = readl(engine + VIA_REG_CURSOR_MODE); 815 if (cur_size == 32) 816 temp |= 0x2; 817 else 818 temp &= ~0x2; 819 820 writel(temp, engine + VIA_REG_CURSOR_MODE); 821 } 822 823 if (cursor->set & FB_CUR_SETCMAP) { 824 fg_color = cursor->image.fg_color; 825 bg_color = cursor->image.bg_color; 826 if (chip_name == UNICHROME_CX700 || 827 chip_name == UNICHROME_VX800 || 828 chip_name == UNICHROME_VX855 || 829 chip_name == UNICHROME_VX900) { 830 fg_color = 831 ((info->cmap.red[fg_color] & 0xFFC0) << 14) | 832 ((info->cmap.green[fg_color] & 0xFFC0) << 4) | 833 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6); 834 bg_color = 835 ((info->cmap.red[bg_color] & 0xFFC0) << 14) | 836 ((info->cmap.green[bg_color] & 0xFFC0) << 4) | 837 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6); 838 } else { 839 fg_color = 840 ((info->cmap.red[fg_color] & 0xFF00) << 8) | 841 (info->cmap.green[fg_color] & 0xFF00) | 842 ((info->cmap.blue[fg_color] & 0xFF00) >> 8); 843 bg_color = 844 ((info->cmap.red[bg_color] & 0xFF00) << 8) | 845 (info->cmap.green[bg_color] & 0xFF00) | 846 ((info->cmap.blue[bg_color] & 0xFF00) >> 8); 847 } 848 849 writel(bg_color, engine + VIA_REG_CURSOR_BG); 850 writel(fg_color, engine + VIA_REG_CURSOR_FG); 851 } 852 853 if (cursor->set & FB_CUR_SETSHAPE) { 854 struct { 855 u8 data[CURSOR_SIZE]; 856 u32 bak[CURSOR_SIZE / 4]; 857 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC); 858 int size = ((cursor->image.width + 7) >> 3) * 859 cursor->image.height; 860 861 if (!cr_data) 862 return -ENOMEM; 863 864 if (cur_size == 32) { 865 for (i = 0; i < (CURSOR_SIZE / 4); i++) { 866 cr_data->bak[i] = 0x0; 867 cr_data->bak[i + 1] = 0xFFFFFFFF; 868 i += 1; 869 } 870 } else { 871 for (i = 0; i < (CURSOR_SIZE / 4); i++) { 872 cr_data->bak[i] = 0x0; 873 cr_data->bak[i + 1] = 0x0; 874 cr_data->bak[i + 2] = 0xFFFFFFFF; 875 cr_data->bak[i + 3] = 0xFFFFFFFF; 876 i += 3; 877 } 878 } 879 880 switch (cursor->rop) { 881 case ROP_XOR: 882 for (i = 0; i < size; i++) 883 cr_data->data[i] = cursor->mask[i]; 884 break; 885 case ROP_COPY: 886 887 for (i = 0; i < size; i++) 888 cr_data->data[i] = cursor->mask[i]; 889 break; 890 default: 891 break; 892 } 893 894 if (cur_size == 32) { 895 for (i = 0; i < size; i++) { 896 cr_data->bak[j] = (u32) cr_data->data[i]; 897 cr_data->bak[j + 1] = ~cr_data->bak[j]; 898 j += 2; 899 } 900 } else { 901 for (i = 0; i < size; i++) { 902 cr_data->bak[j] = (u32) cr_data->data[i]; 903 cr_data->bak[j + 1] = 0x0; 904 cr_data->bak[j + 2] = ~cr_data->bak[j]; 905 cr_data->bak[j + 3] = ~cr_data->bak[j + 1]; 906 j += 4; 907 } 908 } 909 910 memcpy_toio(viafbinfo->screen_base + viapar->shared-> 911 cursor_vram_addr, cr_data->bak, CURSOR_SIZE); 912 kfree(cr_data); 913 } 914 915 if (cursor->enable) 916 viafb_show_hw_cursor(info, HW_Cursor_ON); 917 918 return 0; 919 } 920 921 static int viafb_sync(struct fb_info *info) 922 { 923 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) 924 viafb_wait_engine_idle(info); 925 return 0; 926 } 927 928 static int get_primary_device(void) 929 { 930 int primary_device = 0; 931 /* Rule: device on iga1 path are the primary device. */ 932 if (viafb_SAMM_ON) { 933 if (viafb_CRT_ON) { 934 if (viaparinfo->shared->iga1_devices & VIA_CRT) { 935 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1); 936 primary_device = CRT_Device; 937 } 938 } 939 if (viafb_DVI_ON) { 940 if (viaparinfo->tmds_setting_info->iga_path == IGA1) { 941 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n", 942 viaparinfo-> 943 tmds_setting_info->iga_path); 944 primary_device = DVI_Device; 945 } 946 } 947 if (viafb_LCD_ON) { 948 if (viaparinfo->lvds_setting_info->iga_path == IGA1) { 949 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n", 950 viaparinfo-> 951 lvds_setting_info->iga_path); 952 primary_device = LCD_Device; 953 } 954 } 955 if (viafb_LCD2_ON) { 956 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) { 957 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n", 958 viaparinfo-> 959 lvds_setting_info2->iga_path); 960 primary_device = LCD2_Device; 961 } 962 } 963 } 964 return primary_device; 965 } 966 967 static void retrieve_device_setting(struct viafb_ioctl_setting 968 *setting_info) 969 { 970 971 /* get device status */ 972 if (viafb_CRT_ON == 1) 973 setting_info->device_status = CRT_Device; 974 if (viafb_DVI_ON == 1) 975 setting_info->device_status |= DVI_Device; 976 if (viafb_LCD_ON == 1) 977 setting_info->device_status |= LCD_Device; 978 if (viafb_LCD2_ON == 1) 979 setting_info->device_status |= LCD2_Device; 980 981 setting_info->samm_status = viafb_SAMM_ON; 982 setting_info->primary_device = get_primary_device(); 983 984 setting_info->first_dev_bpp = viafb_bpp; 985 setting_info->second_dev_bpp = viafb_bpp1; 986 987 setting_info->first_dev_refresh = viafb_refresh; 988 setting_info->second_dev_refresh = viafb_refresh1; 989 990 setting_info->first_dev_hor_res = viafb_hotplug_Xres; 991 setting_info->first_dev_ver_res = viafb_hotplug_Yres; 992 setting_info->second_dev_hor_res = viafb_second_xres; 993 setting_info->second_dev_ver_res = viafb_second_yres; 994 995 /* Get lcd attributes */ 996 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method; 997 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id; 998 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode; 999 } 1000 1001 static int __init parse_active_dev(void) 1002 { 1003 viafb_CRT_ON = STATE_OFF; 1004 viafb_DVI_ON = STATE_OFF; 1005 viafb_LCD_ON = STATE_OFF; 1006 viafb_LCD2_ON = STATE_OFF; 1007 /* 1. Modify the active status of devices. */ 1008 /* 2. Keep the order of devices, so we can set corresponding 1009 IGA path to devices in SAMM case. */ 1010 /* Note: The previous of active_dev is primary device, 1011 and the following is secondary device. */ 1012 if (!viafb_active_dev) { 1013 if (machine_is_olpc()) { /* LCD only */ 1014 viafb_LCD_ON = STATE_ON; 1015 viafb_SAMM_ON = STATE_OFF; 1016 } else { 1017 viafb_CRT_ON = STATE_ON; 1018 viafb_SAMM_ON = STATE_OFF; 1019 } 1020 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) { 1021 /* CRT+DVI */ 1022 viafb_CRT_ON = STATE_ON; 1023 viafb_DVI_ON = STATE_ON; 1024 viafb_primary_dev = CRT_Device; 1025 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) { 1026 /* DVI+CRT */ 1027 viafb_CRT_ON = STATE_ON; 1028 viafb_DVI_ON = STATE_ON; 1029 viafb_primary_dev = DVI_Device; 1030 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) { 1031 /* CRT+LCD */ 1032 viafb_CRT_ON = STATE_ON; 1033 viafb_LCD_ON = STATE_ON; 1034 viafb_primary_dev = CRT_Device; 1035 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) { 1036 /* LCD+CRT */ 1037 viafb_CRT_ON = STATE_ON; 1038 viafb_LCD_ON = STATE_ON; 1039 viafb_primary_dev = LCD_Device; 1040 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) { 1041 /* DVI+LCD */ 1042 viafb_DVI_ON = STATE_ON; 1043 viafb_LCD_ON = STATE_ON; 1044 viafb_primary_dev = DVI_Device; 1045 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) { 1046 /* LCD+DVI */ 1047 viafb_DVI_ON = STATE_ON; 1048 viafb_LCD_ON = STATE_ON; 1049 viafb_primary_dev = LCD_Device; 1050 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) { 1051 viafb_LCD_ON = STATE_ON; 1052 viafb_LCD2_ON = STATE_ON; 1053 viafb_primary_dev = LCD_Device; 1054 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) { 1055 viafb_LCD_ON = STATE_ON; 1056 viafb_LCD2_ON = STATE_ON; 1057 viafb_primary_dev = LCD2_Device; 1058 } else if (!strcmp(viafb_active_dev, "CRT")) { 1059 /* CRT only */ 1060 viafb_CRT_ON = STATE_ON; 1061 viafb_SAMM_ON = STATE_OFF; 1062 } else if (!strcmp(viafb_active_dev, "DVI")) { 1063 /* DVI only */ 1064 viafb_DVI_ON = STATE_ON; 1065 viafb_SAMM_ON = STATE_OFF; 1066 } else if (!strcmp(viafb_active_dev, "LCD")) { 1067 /* LCD only */ 1068 viafb_LCD_ON = STATE_ON; 1069 viafb_SAMM_ON = STATE_OFF; 1070 } else 1071 return -EINVAL; 1072 1073 return 0; 1074 } 1075 1076 static int parse_port(char *opt_str, int *output_interface) 1077 { 1078 if (!strncmp(opt_str, "DVP0", 4)) 1079 *output_interface = INTERFACE_DVP0; 1080 else if (!strncmp(opt_str, "DVP1", 4)) 1081 *output_interface = INTERFACE_DVP1; 1082 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11)) 1083 *output_interface = INTERFACE_DFP; 1084 else if (!strncmp(opt_str, "DFP_HIGH", 8)) 1085 *output_interface = INTERFACE_DFP_HIGH; 1086 else if (!strncmp(opt_str, "DFP_LOW", 7)) 1087 *output_interface = INTERFACE_DFP_LOW; 1088 else 1089 *output_interface = INTERFACE_NONE; 1090 return 0; 1091 } 1092 1093 static void parse_lcd_port(void) 1094 { 1095 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info. 1096 output_interface); 1097 /*Initialize to avoid unexpected behavior */ 1098 viaparinfo->chip_info->lvds_chip_info2.output_interface = 1099 INTERFACE_NONE; 1100 1101 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n", 1102 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info. 1103 output_interface); 1104 } 1105 1106 static void parse_dvi_port(void) 1107 { 1108 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info. 1109 output_interface); 1110 1111 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n", 1112 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info. 1113 output_interface); 1114 } 1115 1116 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1117 1118 /* 1119 * The proc filesystem read/write function, a simple proc implement to 1120 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, 1121 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], 1122 * CR9B, SR65, CR97, CR99 1123 */ 1124 static int viafb_dvp0_proc_show(struct seq_file *m, void *v) 1125 { 1126 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0; 1127 dvp0_data_dri = 1128 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 | 1129 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1; 1130 dvp0_clk_dri = 1131 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 | 1132 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2; 1133 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f; 1134 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); 1135 return 0; 1136 } 1137 1138 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file) 1139 { 1140 return single_open(file, viafb_dvp0_proc_show, NULL); 1141 } 1142 1143 static ssize_t viafb_dvp0_proc_write(struct file *file, 1144 const char __user *buffer, size_t count, loff_t *pos) 1145 { 1146 char buf[20], *value, *pbuf; 1147 u8 reg_val = 0; 1148 unsigned long length, i; 1149 if (count < 1) 1150 return -EINVAL; 1151 length = count > 20 ? 20 : count; 1152 if (copy_from_user(&buf[0], buffer, length)) 1153 return -EFAULT; 1154 buf[length - 1] = '\0'; /*Ensure end string */ 1155 pbuf = &buf[0]; 1156 for (i = 0; i < 3; i++) { 1157 value = strsep(&pbuf, " "); 1158 if (value != NULL) { 1159 if (kstrtou8(value, 0, ®_val) < 0) 1160 return -EINVAL; 1161 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i, 1162 reg_val); 1163 switch (i) { 1164 case 0: 1165 viafb_write_reg_mask(CR96, VIACR, 1166 reg_val, 0x0f); 1167 break; 1168 case 1: 1169 viafb_write_reg_mask(SR2A, VIASR, 1170 reg_val << 4, BIT5); 1171 viafb_write_reg_mask(SR1B, VIASR, 1172 reg_val << 1, BIT1); 1173 break; 1174 case 2: 1175 viafb_write_reg_mask(SR2A, VIASR, 1176 reg_val << 3, BIT4); 1177 viafb_write_reg_mask(SR1E, VIASR, 1178 reg_val << 2, BIT2); 1179 break; 1180 default: 1181 break; 1182 } 1183 } else { 1184 break; 1185 } 1186 } 1187 return count; 1188 } 1189 1190 static const struct file_operations viafb_dvp0_proc_fops = { 1191 .owner = THIS_MODULE, 1192 .open = viafb_dvp0_proc_open, 1193 .read = seq_read, 1194 .llseek = seq_lseek, 1195 .release = single_release, 1196 .write = viafb_dvp0_proc_write, 1197 }; 1198 1199 static int viafb_dvp1_proc_show(struct seq_file *m, void *v) 1200 { 1201 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0; 1202 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f; 1203 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2; 1204 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03; 1205 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); 1206 return 0; 1207 } 1208 1209 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file) 1210 { 1211 return single_open(file, viafb_dvp1_proc_show, NULL); 1212 } 1213 1214 static ssize_t viafb_dvp1_proc_write(struct file *file, 1215 const char __user *buffer, size_t count, loff_t *pos) 1216 { 1217 char buf[20], *value, *pbuf; 1218 u8 reg_val = 0; 1219 unsigned long length, i; 1220 if (count < 1) 1221 return -EINVAL; 1222 length = count > 20 ? 20 : count; 1223 if (copy_from_user(&buf[0], buffer, length)) 1224 return -EFAULT; 1225 buf[length - 1] = '\0'; /*Ensure end string */ 1226 pbuf = &buf[0]; 1227 for (i = 0; i < 3; i++) { 1228 value = strsep(&pbuf, " "); 1229 if (value != NULL) { 1230 if (kstrtou8(value, 0, ®_val) < 0) 1231 return -EINVAL; 1232 switch (i) { 1233 case 0: 1234 viafb_write_reg_mask(CR9B, VIACR, 1235 reg_val, 0x0f); 1236 break; 1237 case 1: 1238 viafb_write_reg_mask(SR65, VIASR, 1239 reg_val << 2, 0x0c); 1240 break; 1241 case 2: 1242 viafb_write_reg_mask(SR65, VIASR, 1243 reg_val, 0x03); 1244 break; 1245 default: 1246 break; 1247 } 1248 } else { 1249 break; 1250 } 1251 } 1252 return count; 1253 } 1254 1255 static const struct file_operations viafb_dvp1_proc_fops = { 1256 .owner = THIS_MODULE, 1257 .open = viafb_dvp1_proc_open, 1258 .read = seq_read, 1259 .llseek = seq_lseek, 1260 .release = single_release, 1261 .write = viafb_dvp1_proc_write, 1262 }; 1263 1264 static int viafb_dfph_proc_show(struct seq_file *m, void *v) 1265 { 1266 u8 dfp_high = 0; 1267 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f; 1268 seq_printf(m, "%x\n", dfp_high); 1269 return 0; 1270 } 1271 1272 static int viafb_dfph_proc_open(struct inode *inode, struct file *file) 1273 { 1274 return single_open(file, viafb_dfph_proc_show, NULL); 1275 } 1276 1277 static ssize_t viafb_dfph_proc_write(struct file *file, 1278 const char __user *buffer, size_t count, loff_t *pos) 1279 { 1280 int err; 1281 u8 reg_val; 1282 err = kstrtou8_from_user(buffer, count, 0, ®_val); 1283 if (err) 1284 return err; 1285 1286 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); 1287 return count; 1288 } 1289 1290 static const struct file_operations viafb_dfph_proc_fops = { 1291 .owner = THIS_MODULE, 1292 .open = viafb_dfph_proc_open, 1293 .read = seq_read, 1294 .llseek = seq_lseek, 1295 .release = single_release, 1296 .write = viafb_dfph_proc_write, 1297 }; 1298 1299 static int viafb_dfpl_proc_show(struct seq_file *m, void *v) 1300 { 1301 u8 dfp_low = 0; 1302 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f; 1303 seq_printf(m, "%x\n", dfp_low); 1304 return 0; 1305 } 1306 1307 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file) 1308 { 1309 return single_open(file, viafb_dfpl_proc_show, NULL); 1310 } 1311 1312 static ssize_t viafb_dfpl_proc_write(struct file *file, 1313 const char __user *buffer, size_t count, loff_t *pos) 1314 { 1315 int err; 1316 u8 reg_val; 1317 err = kstrtou8_from_user(buffer, count, 0, ®_val); 1318 if (err) 1319 return err; 1320 1321 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); 1322 return count; 1323 } 1324 1325 static const struct file_operations viafb_dfpl_proc_fops = { 1326 .owner = THIS_MODULE, 1327 .open = viafb_dfpl_proc_open, 1328 .read = seq_read, 1329 .llseek = seq_lseek, 1330 .release = single_release, 1331 .write = viafb_dfpl_proc_write, 1332 }; 1333 1334 static int viafb_vt1636_proc_show(struct seq_file *m, void *v) 1335 { 1336 u8 vt1636_08 = 0, vt1636_09 = 0; 1337 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { 1338 case VT1636_LVDS: 1339 vt1636_08 = 1340 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, 1341 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f; 1342 vt1636_09 = 1343 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, 1344 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f; 1345 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09); 1346 break; 1347 default: 1348 break; 1349 } 1350 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { 1351 case VT1636_LVDS: 1352 vt1636_08 = 1353 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, 1354 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f; 1355 vt1636_09 = 1356 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, 1357 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f; 1358 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09); 1359 break; 1360 default: 1361 break; 1362 } 1363 return 0; 1364 } 1365 1366 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file) 1367 { 1368 return single_open(file, viafb_vt1636_proc_show, NULL); 1369 } 1370 1371 static ssize_t viafb_vt1636_proc_write(struct file *file, 1372 const char __user *buffer, size_t count, loff_t *pos) 1373 { 1374 char buf[30], *value, *pbuf; 1375 struct IODATA reg_val; 1376 unsigned long length, i; 1377 if (count < 1) 1378 return -EINVAL; 1379 length = count > 30 ? 30 : count; 1380 if (copy_from_user(&buf[0], buffer, length)) 1381 return -EFAULT; 1382 buf[length - 1] = '\0'; /*Ensure end string */ 1383 pbuf = &buf[0]; 1384 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { 1385 case VT1636_LVDS: 1386 for (i = 0; i < 2; i++) { 1387 value = strsep(&pbuf, " "); 1388 if (value != NULL) { 1389 if (kstrtou8(value, 0, ®_val.Data) < 0) 1390 return -EINVAL; 1391 switch (i) { 1392 case 0: 1393 reg_val.Index = 0x08; 1394 reg_val.Mask = 0x0f; 1395 viafb_gpio_i2c_write_mask_lvds 1396 (viaparinfo->lvds_setting_info, 1397 &viaparinfo-> 1398 chip_info->lvds_chip_info, 1399 reg_val); 1400 break; 1401 case 1: 1402 reg_val.Index = 0x09; 1403 reg_val.Mask = 0x1f; 1404 viafb_gpio_i2c_write_mask_lvds 1405 (viaparinfo->lvds_setting_info, 1406 &viaparinfo-> 1407 chip_info->lvds_chip_info, 1408 reg_val); 1409 break; 1410 default: 1411 break; 1412 } 1413 } else { 1414 break; 1415 } 1416 } 1417 break; 1418 default: 1419 break; 1420 } 1421 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { 1422 case VT1636_LVDS: 1423 for (i = 0; i < 2; i++) { 1424 value = strsep(&pbuf, " "); 1425 if (value != NULL) { 1426 if (kstrtou8(value, 0, ®_val.Data) < 0) 1427 return -EINVAL; 1428 switch (i) { 1429 case 0: 1430 reg_val.Index = 0x08; 1431 reg_val.Mask = 0x0f; 1432 viafb_gpio_i2c_write_mask_lvds 1433 (viaparinfo->lvds_setting_info2, 1434 &viaparinfo-> 1435 chip_info->lvds_chip_info2, 1436 reg_val); 1437 break; 1438 case 1: 1439 reg_val.Index = 0x09; 1440 reg_val.Mask = 0x1f; 1441 viafb_gpio_i2c_write_mask_lvds 1442 (viaparinfo->lvds_setting_info2, 1443 &viaparinfo-> 1444 chip_info->lvds_chip_info2, 1445 reg_val); 1446 break; 1447 default: 1448 break; 1449 } 1450 } else { 1451 break; 1452 } 1453 } 1454 break; 1455 default: 1456 break; 1457 } 1458 return count; 1459 } 1460 1461 static const struct file_operations viafb_vt1636_proc_fops = { 1462 .owner = THIS_MODULE, 1463 .open = viafb_vt1636_proc_open, 1464 .read = seq_read, 1465 .llseek = seq_lseek, 1466 .release = single_release, 1467 .write = viafb_vt1636_proc_write, 1468 }; 1469 1470 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1471 1472 static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v) 1473 { 1474 via_odev_to_seq(m, supported_odev_map[ 1475 viaparinfo->shared->chip_info.gfx_chip_name]); 1476 return 0; 1477 } 1478 1479 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev) 1480 { 1481 char buf[64], *ptr = buf; 1482 u32 devices; 1483 bool add, sub; 1484 1485 if (count < 1 || count > 63) 1486 return -EINVAL; 1487 if (copy_from_user(&buf[0], buffer, count)) 1488 return -EFAULT; 1489 buf[count] = '\0'; 1490 add = buf[0] == '+'; 1491 sub = buf[0] == '-'; 1492 if (add || sub) 1493 ptr++; 1494 devices = via_parse_odev(ptr, &ptr); 1495 if (*ptr == '\n') 1496 ptr++; 1497 if (*ptr != 0) 1498 return -EINVAL; 1499 if (add) 1500 *odev |= devices; 1501 else if (sub) 1502 *odev &= ~devices; 1503 else 1504 *odev = devices; 1505 return count; 1506 } 1507 1508 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v) 1509 { 1510 via_odev_to_seq(m, viaparinfo->shared->iga1_devices); 1511 return 0; 1512 } 1513 1514 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file) 1515 { 1516 return single_open(file, viafb_iga1_odev_proc_show, NULL); 1517 } 1518 1519 static ssize_t viafb_iga1_odev_proc_write(struct file *file, 1520 const char __user *buffer, size_t count, loff_t *pos) 1521 { 1522 u32 dev_on, dev_off, dev_old, dev_new; 1523 ssize_t res; 1524 1525 dev_old = dev_new = viaparinfo->shared->iga1_devices; 1526 res = odev_update(buffer, count, &dev_new); 1527 if (res != count) 1528 return res; 1529 dev_off = dev_old & ~dev_new; 1530 dev_on = dev_new & ~dev_old; 1531 viaparinfo->shared->iga1_devices = dev_new; 1532 viaparinfo->shared->iga2_devices &= ~dev_new; 1533 via_set_state(dev_off, VIA_STATE_OFF); 1534 via_set_source(dev_new, IGA1); 1535 via_set_state(dev_on, VIA_STATE_ON); 1536 return res; 1537 } 1538 1539 static const struct file_operations viafb_iga1_odev_proc_fops = { 1540 .owner = THIS_MODULE, 1541 .open = viafb_iga1_odev_proc_open, 1542 .read = seq_read, 1543 .llseek = seq_lseek, 1544 .release = single_release, 1545 .write = viafb_iga1_odev_proc_write, 1546 }; 1547 1548 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v) 1549 { 1550 via_odev_to_seq(m, viaparinfo->shared->iga2_devices); 1551 return 0; 1552 } 1553 1554 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file) 1555 { 1556 return single_open(file, viafb_iga2_odev_proc_show, NULL); 1557 } 1558 1559 static ssize_t viafb_iga2_odev_proc_write(struct file *file, 1560 const char __user *buffer, size_t count, loff_t *pos) 1561 { 1562 u32 dev_on, dev_off, dev_old, dev_new; 1563 ssize_t res; 1564 1565 dev_old = dev_new = viaparinfo->shared->iga2_devices; 1566 res = odev_update(buffer, count, &dev_new); 1567 if (res != count) 1568 return res; 1569 dev_off = dev_old & ~dev_new; 1570 dev_on = dev_new & ~dev_old; 1571 viaparinfo->shared->iga2_devices = dev_new; 1572 viaparinfo->shared->iga1_devices &= ~dev_new; 1573 via_set_state(dev_off, VIA_STATE_OFF); 1574 via_set_source(dev_new, IGA2); 1575 via_set_state(dev_on, VIA_STATE_ON); 1576 return res; 1577 } 1578 1579 static const struct file_operations viafb_iga2_odev_proc_fops = { 1580 .owner = THIS_MODULE, 1581 .open = viafb_iga2_odev_proc_open, 1582 .read = seq_read, 1583 .llseek = seq_lseek, 1584 .release = single_release, 1585 .write = viafb_iga2_odev_proc_write, 1586 }; 1587 1588 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS) 1589 static void viafb_init_proc(struct viafb_shared *shared) 1590 { 1591 struct proc_dir_entry *iga1_entry, *iga2_entry, 1592 *viafb_entry = proc_mkdir("viafb", NULL); 1593 1594 shared->proc_entry = viafb_entry; 1595 if (viafb_entry) { 1596 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1597 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops); 1598 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops); 1599 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops); 1600 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops); 1601 if (IS_VT1636(shared->chip_info.lvds_chip_info) 1602 || IS_VT1636(shared->chip_info.lvds_chip_info2)) 1603 proc_create("vt1636", 0, viafb_entry, 1604 &viafb_vt1636_proc_fops); 1605 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1606 1607 proc_create_single("supported_output_devices", 0, viafb_entry, 1608 viafb_sup_odev_proc_show); 1609 iga1_entry = proc_mkdir("iga1", viafb_entry); 1610 shared->iga1_proc_entry = iga1_entry; 1611 proc_create("output_devices", 0, iga1_entry, 1612 &viafb_iga1_odev_proc_fops); 1613 iga2_entry = proc_mkdir("iga2", viafb_entry); 1614 shared->iga2_proc_entry = iga2_entry; 1615 proc_create("output_devices", 0, iga2_entry, 1616 &viafb_iga2_odev_proc_fops); 1617 } 1618 } 1619 static void viafb_remove_proc(struct viafb_shared *shared) 1620 { 1621 struct proc_dir_entry *viafb_entry = shared->proc_entry; 1622 1623 if (!viafb_entry) 1624 return; 1625 1626 remove_proc_entry("output_devices", shared->iga2_proc_entry); 1627 remove_proc_entry("iga2", viafb_entry); 1628 remove_proc_entry("output_devices", shared->iga1_proc_entry); 1629 remove_proc_entry("iga1", viafb_entry); 1630 remove_proc_entry("supported_output_devices", viafb_entry); 1631 1632 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1633 remove_proc_entry("dvp0", viafb_entry);/* parent dir */ 1634 remove_proc_entry("dvp1", viafb_entry); 1635 remove_proc_entry("dfph", viafb_entry); 1636 remove_proc_entry("dfpl", viafb_entry); 1637 if (IS_VT1636(shared->chip_info.lvds_chip_info) 1638 || IS_VT1636(shared->chip_info.lvds_chip_info2)) 1639 remove_proc_entry("vt1636", viafb_entry); 1640 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1641 1642 remove_proc_entry("viafb", NULL); 1643 } 1644 #undef IS_VT1636 1645 1646 static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres) 1647 { 1648 const struct fb_videomode *mode = NULL; 1649 char *ptr; 1650 1651 if (!str) { 1652 if (devices == VIA_CRT) 1653 mode = via_aux_get_preferred_mode( 1654 viaparinfo->shared->i2c_26); 1655 else if (devices == VIA_DVP1) 1656 mode = via_aux_get_preferred_mode( 1657 viaparinfo->shared->i2c_31); 1658 1659 if (mode) { 1660 *xres = mode->xres; 1661 *yres = mode->yres; 1662 } else if (machine_is_olpc()) { 1663 *xres = 1200; 1664 *yres = 900; 1665 } else { 1666 *xres = 640; 1667 *yres = 480; 1668 } 1669 return 0; 1670 } 1671 1672 *xres = simple_strtoul(str, &ptr, 10); 1673 if (ptr[0] != 'x') 1674 return -EINVAL; 1675 1676 *yres = simple_strtoul(&ptr[1], &ptr, 10); 1677 if (ptr[0]) 1678 return -EINVAL; 1679 1680 return 0; 1681 } 1682 1683 1684 #ifdef CONFIG_PM 1685 static int viafb_suspend(void *unused) 1686 { 1687 console_lock(); 1688 fb_set_suspend(viafbinfo, 1); 1689 viafb_sync(viafbinfo); 1690 console_unlock(); 1691 1692 return 0; 1693 } 1694 1695 static int viafb_resume(void *unused) 1696 { 1697 console_lock(); 1698 if (viaparinfo->shared->vdev->engine_mmio) 1699 viafb_reset_engine(viaparinfo); 1700 viafb_set_par(viafbinfo); 1701 if (viafb_dual_fb) 1702 viafb_set_par(viafbinfo1); 1703 fb_set_suspend(viafbinfo, 0); 1704 1705 console_unlock(); 1706 return 0; 1707 } 1708 1709 static struct viafb_pm_hooks viafb_fb_pm_hooks = { 1710 .suspend = viafb_suspend, 1711 .resume = viafb_resume 1712 }; 1713 1714 #endif 1715 1716 static void i2c_bus_probe(struct viafb_shared *shared) 1717 { 1718 /* should be always CRT */ 1719 printk(KERN_INFO "viafb: Probing I2C bus 0x26\n"); 1720 shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26)); 1721 1722 /* seems to be usually DVP1 */ 1723 printk(KERN_INFO "viafb: Probing I2C bus 0x31\n"); 1724 shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31)); 1725 1726 /* FIXME: what is this? */ 1727 if (!machine_is_olpc()) { 1728 printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n"); 1729 shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C)); 1730 } 1731 1732 printk(KERN_INFO "viafb: Finished I2C bus probing"); 1733 } 1734 1735 static void i2c_bus_free(struct viafb_shared *shared) 1736 { 1737 via_aux_free(shared->i2c_26); 1738 via_aux_free(shared->i2c_31); 1739 via_aux_free(shared->i2c_2C); 1740 } 1741 1742 int via_fb_pci_probe(struct viafb_dev *vdev) 1743 { 1744 u32 default_xres, default_yres; 1745 struct fb_var_screeninfo default_var; 1746 int rc; 1747 u32 viafb_par_length; 1748 1749 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n"); 1750 memset(&default_var, 0, sizeof(default_var)); 1751 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8); 1752 1753 /* Allocate fb_info and ***_par here, also including some other needed 1754 * variables 1755 */ 1756 viafbinfo = framebuffer_alloc(viafb_par_length + 1757 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8), 1758 &vdev->pdev->dev); 1759 if (!viafbinfo) { 1760 printk(KERN_ERR"Could not allocate memory for viafb_info.\n"); 1761 return -ENOMEM; 1762 } 1763 1764 viaparinfo = (struct viafb_par *)viafbinfo->par; 1765 viaparinfo->shared = viafbinfo->par + viafb_par_length; 1766 viaparinfo->shared->vdev = vdev; 1767 viaparinfo->vram_addr = 0; 1768 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info; 1769 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info; 1770 viaparinfo->lvds_setting_info2 = 1771 &viaparinfo->shared->lvds_setting_info2; 1772 viaparinfo->chip_info = &viaparinfo->shared->chip_info; 1773 1774 i2c_bus_probe(viaparinfo->shared); 1775 if (viafb_dual_fb) 1776 viafb_SAMM_ON = 1; 1777 parse_lcd_port(); 1778 parse_dvi_port(); 1779 1780 viafb_init_chip_info(vdev->chip_type); 1781 /* 1782 * The framebuffer will have been successfully mapped by 1783 * the core (or we'd not be here), but we still need to 1784 * set up our own accounting. 1785 */ 1786 viaparinfo->fbmem = vdev->fbmem_start; 1787 viaparinfo->memsize = vdev->fbmem_len; 1788 viaparinfo->fbmem_free = viaparinfo->memsize; 1789 viaparinfo->fbmem_used = 0; 1790 viafbinfo->screen_base = vdev->fbmem; 1791 1792 viafbinfo->fix.mmio_start = vdev->engine_start; 1793 viafbinfo->fix.mmio_len = vdev->engine_len; 1794 viafbinfo->node = 0; 1795 viafbinfo->fbops = &viafb_ops; 1796 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; 1797 1798 viafbinfo->pseudo_palette = pseudo_pal; 1799 if (viafb_accel && !viafb_setup_engine(viafbinfo)) { 1800 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA | 1801 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT; 1802 default_var.accel_flags = FB_ACCELF_TEXT; 1803 } else { 1804 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED; 1805 default_var.accel_flags = 0; 1806 } 1807 1808 if (viafb_second_size && (viafb_second_size < 8)) { 1809 viafb_second_offset = viaparinfo->fbmem_free - 1810 viafb_second_size * 1024 * 1024; 1811 } else { 1812 viafb_second_size = 8; 1813 viafb_second_offset = viaparinfo->fbmem_free - 1814 viafb_second_size * 1024 * 1024; 1815 } 1816 1817 parse_mode(viafb_mode, viaparinfo->shared->iga1_devices, 1818 &default_xres, &default_yres); 1819 if (viafb_SAMM_ON == 1) 1820 parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices, 1821 &viafb_second_xres, &viafb_second_yres); 1822 1823 default_var.xres = default_xres; 1824 default_var.yres = default_yres; 1825 default_var.xres_virtual = default_xres; 1826 default_var.yres_virtual = default_yres; 1827 default_var.bits_per_pixel = viafb_bpp; 1828 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( 1829 default_var.xres, default_var.yres, viafb_refresh)); 1830 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo); 1831 viafbinfo->var = default_var; 1832 1833 if (viafb_dual_fb) { 1834 viafbinfo1 = framebuffer_alloc(viafb_par_length, 1835 &vdev->pdev->dev); 1836 if (!viafbinfo1) { 1837 printk(KERN_ERR 1838 "allocate the second framebuffer struct error\n"); 1839 rc = -ENOMEM; 1840 goto out_fb_release; 1841 } 1842 viaparinfo1 = viafbinfo1->par; 1843 memcpy(viaparinfo1, viaparinfo, viafb_par_length); 1844 viaparinfo1->vram_addr = viafb_second_offset; 1845 viaparinfo1->memsize = viaparinfo->memsize - 1846 viafb_second_offset; 1847 viaparinfo->memsize = viafb_second_offset; 1848 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset; 1849 1850 viaparinfo1->fbmem_used = viaparinfo->fbmem_used; 1851 viaparinfo1->fbmem_free = viaparinfo1->memsize - 1852 viaparinfo1->fbmem_used; 1853 viaparinfo->fbmem_free = viaparinfo->memsize; 1854 viaparinfo->fbmem_used = 0; 1855 1856 viaparinfo->iga_path = IGA1; 1857 viaparinfo1->iga_path = IGA2; 1858 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info)); 1859 viafbinfo1->par = viaparinfo1; 1860 viafbinfo1->screen_base = viafbinfo->screen_base + 1861 viafb_second_offset; 1862 1863 default_var.xres = viafb_second_xres; 1864 default_var.yres = viafb_second_yres; 1865 default_var.xres_virtual = viafb_second_xres; 1866 default_var.yres_virtual = viafb_second_yres; 1867 default_var.bits_per_pixel = viafb_bpp1; 1868 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( 1869 default_var.xres, default_var.yres, viafb_refresh1)); 1870 1871 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1); 1872 viafb_check_var(&default_var, viafbinfo1); 1873 viafbinfo1->var = default_var; 1874 viafb_update_fix(viafbinfo1); 1875 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var, 1876 &viafbinfo1->fix); 1877 } 1878 1879 viafb_check_var(&viafbinfo->var, viafbinfo); 1880 viafb_update_fix(viafbinfo); 1881 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var, 1882 &viafbinfo->fix); 1883 default_var.activate = FB_ACTIVATE_NOW; 1884 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0); 1885 if (rc) 1886 goto out_fb1_release; 1887 1888 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) 1889 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) { 1890 rc = register_framebuffer(viafbinfo1); 1891 if (rc) 1892 goto out_dealloc_cmap; 1893 } 1894 rc = register_framebuffer(viafbinfo); 1895 if (rc) 1896 goto out_fb1_unreg_lcd_cle266; 1897 1898 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device) 1899 || (viaparinfo->chip_info->gfx_chip_name != 1900 UNICHROME_CLE266))) { 1901 rc = register_framebuffer(viafbinfo1); 1902 if (rc) 1903 goto out_fb_unreg; 1904 } 1905 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n", 1906 viafbinfo->node, viafbinfo->fix.id, default_var.xres, 1907 default_var.yres, default_var.bits_per_pixel); 1908 1909 viafb_init_proc(viaparinfo->shared); 1910 viafb_init_dac(IGA2); 1911 1912 #ifdef CONFIG_PM 1913 viafb_pm_register(&viafb_fb_pm_hooks); 1914 #endif 1915 return 0; 1916 1917 out_fb_unreg: 1918 unregister_framebuffer(viafbinfo); 1919 out_fb1_unreg_lcd_cle266: 1920 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) 1921 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) 1922 unregister_framebuffer(viafbinfo1); 1923 out_dealloc_cmap: 1924 fb_dealloc_cmap(&viafbinfo->cmap); 1925 out_fb1_release: 1926 framebuffer_release(viafbinfo1); 1927 out_fb_release: 1928 i2c_bus_free(viaparinfo->shared); 1929 framebuffer_release(viafbinfo); 1930 return rc; 1931 } 1932 1933 void via_fb_pci_remove(struct pci_dev *pdev) 1934 { 1935 DEBUG_MSG(KERN_INFO "via_pci_remove!\n"); 1936 fb_dealloc_cmap(&viafbinfo->cmap); 1937 unregister_framebuffer(viafbinfo); 1938 if (viafb_dual_fb) 1939 unregister_framebuffer(viafbinfo1); 1940 viafb_remove_proc(viaparinfo->shared); 1941 i2c_bus_free(viaparinfo->shared); 1942 framebuffer_release(viafbinfo); 1943 if (viafb_dual_fb) 1944 framebuffer_release(viafbinfo1); 1945 } 1946 1947 #ifndef MODULE 1948 static int __init viafb_setup(void) 1949 { 1950 char *this_opt; 1951 char *options; 1952 1953 DEBUG_MSG(KERN_INFO "viafb_setup!\n"); 1954 1955 if (fb_get_options("viafb", &options)) 1956 return -ENODEV; 1957 1958 if (!options || !*options) 1959 return 0; 1960 1961 while ((this_opt = strsep(&options, ",")) != NULL) { 1962 if (!*this_opt) 1963 continue; 1964 1965 if (!strncmp(this_opt, "viafb_mode1=", 12)) { 1966 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL); 1967 } else if (!strncmp(this_opt, "viafb_mode=", 11)) { 1968 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL); 1969 } else if (!strncmp(this_opt, "viafb_bpp1=", 11)) { 1970 if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0) 1971 return -EINVAL; 1972 } else if (!strncmp(this_opt, "viafb_bpp=", 10)) { 1973 if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0) 1974 return -EINVAL; 1975 } else if (!strncmp(this_opt, "viafb_refresh1=", 15)) { 1976 if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0) 1977 return -EINVAL; 1978 } else if (!strncmp(this_opt, "viafb_refresh=", 14)) { 1979 if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0) 1980 return -EINVAL; 1981 } else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) { 1982 if (kstrtoint(this_opt + 21, 0, 1983 &viafb_lcd_dsp_method) < 0) 1984 return -EINVAL; 1985 } else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) { 1986 if (kstrtoint(this_opt + 19, 0, 1987 &viafb_lcd_panel_id) < 0) 1988 return -EINVAL; 1989 } else if (!strncmp(this_opt, "viafb_accel=", 12)) { 1990 if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0) 1991 return -EINVAL; 1992 } else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) { 1993 if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0) 1994 return -EINVAL; 1995 } else if (!strncmp(this_opt, "viafb_active_dev=", 17)) { 1996 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL); 1997 } else if (!strncmp(this_opt, 1998 "viafb_display_hardware_layout=", 30)) { 1999 if (kstrtoint(this_opt + 30, 0, 2000 &viafb_display_hardware_layout) < 0) 2001 return -EINVAL; 2002 } else if (!strncmp(this_opt, "viafb_second_size=", 18)) { 2003 if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0) 2004 return -EINVAL; 2005 } else if (!strncmp(this_opt, 2006 "viafb_platform_epia_dvi=", 24)) { 2007 if (kstrtoint(this_opt + 24, 0, 2008 &viafb_platform_epia_dvi) < 0) 2009 return -EINVAL; 2010 } else if (!strncmp(this_opt, 2011 "viafb_device_lcd_dualedge=", 26)) { 2012 if (kstrtoint(this_opt + 26, 0, 2013 &viafb_device_lcd_dualedge) < 0) 2014 return -EINVAL; 2015 } else if (!strncmp(this_opt, "viafb_bus_width=", 16)) { 2016 if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0) 2017 return -EINVAL; 2018 } else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) { 2019 if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0) 2020 return -EINVAL; 2021 } else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) { 2022 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL); 2023 } else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) { 2024 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL); 2025 } 2026 } 2027 return 0; 2028 } 2029 #endif 2030 2031 /* 2032 * These are called out of via-core for now. 2033 */ 2034 int __init viafb_init(void) 2035 { 2036 u32 dummy_x, dummy_y; 2037 int r = 0; 2038 2039 if (machine_is_olpc()) 2040 /* Apply XO-1.5-specific configuration. */ 2041 viafb_lcd_panel_id = 23; 2042 2043 #ifndef MODULE 2044 r = viafb_setup(); 2045 if (r < 0) 2046 return r; 2047 #endif 2048 if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y) 2049 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh) 2050 || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y) 2051 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1) 2052 || viafb_bpp < 0 || viafb_bpp > 32 2053 || viafb_bpp1 < 0 || viafb_bpp1 > 32 2054 || parse_active_dev()) 2055 return -EINVAL; 2056 2057 printk(KERN_INFO 2058 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n", 2059 VERSION_MAJOR, VERSION_MINOR); 2060 return r; 2061 } 2062 2063 void __exit viafb_exit(void) 2064 { 2065 DEBUG_MSG(KERN_INFO "viafb_exit!\n"); 2066 } 2067 2068 static struct fb_ops viafb_ops = { 2069 .owner = THIS_MODULE, 2070 .fb_open = viafb_open, 2071 .fb_release = viafb_release, 2072 .fb_check_var = viafb_check_var, 2073 .fb_set_par = viafb_set_par, 2074 .fb_setcolreg = viafb_setcolreg, 2075 .fb_pan_display = viafb_pan_display, 2076 .fb_blank = viafb_blank, 2077 .fb_fillrect = viafb_fillrect, 2078 .fb_copyarea = viafb_copyarea, 2079 .fb_imageblit = viafb_imageblit, 2080 .fb_cursor = viafb_cursor, 2081 .fb_ioctl = viafb_ioctl, 2082 .fb_sync = viafb_sync, 2083 }; 2084 2085 2086 #ifdef MODULE 2087 module_param(viafb_mode, charp, S_IRUSR); 2088 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)"); 2089 2090 module_param(viafb_mode1, charp, S_IRUSR); 2091 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)"); 2092 2093 module_param(viafb_bpp, int, S_IRUSR); 2094 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)"); 2095 2096 module_param(viafb_bpp1, int, S_IRUSR); 2097 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)"); 2098 2099 module_param(viafb_refresh, int, S_IRUSR); 2100 MODULE_PARM_DESC(viafb_refresh, 2101 "Set CRT viafb_refresh rate (default = 60)"); 2102 2103 module_param(viafb_refresh1, int, S_IRUSR); 2104 MODULE_PARM_DESC(viafb_refresh1, 2105 "Set CRT refresh rate (default = 60)"); 2106 2107 module_param(viafb_lcd_panel_id, int, S_IRUSR); 2108 MODULE_PARM_DESC(viafb_lcd_panel_id, 2109 "Set Flat Panel type(Default=1024x768)"); 2110 2111 module_param(viafb_lcd_dsp_method, int, S_IRUSR); 2112 MODULE_PARM_DESC(viafb_lcd_dsp_method, 2113 "Set Flat Panel display scaling method.(Default=Expansion)"); 2114 2115 module_param(viafb_SAMM_ON, int, S_IRUSR); 2116 MODULE_PARM_DESC(viafb_SAMM_ON, 2117 "Turn on/off flag of SAMM(Default=OFF)"); 2118 2119 module_param(viafb_accel, int, S_IRUSR); 2120 MODULE_PARM_DESC(viafb_accel, 2121 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)"); 2122 2123 module_param(viafb_active_dev, charp, S_IRUSR); 2124 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices."); 2125 2126 module_param(viafb_display_hardware_layout, int, S_IRUSR); 2127 MODULE_PARM_DESC(viafb_display_hardware_layout, 2128 "Display Hardware Layout (LCD Only, DVI Only...,etc)"); 2129 2130 module_param(viafb_second_size, int, S_IRUSR); 2131 MODULE_PARM_DESC(viafb_second_size, 2132 "Set secondary device memory size"); 2133 2134 module_param(viafb_dual_fb, int, S_IRUSR); 2135 MODULE_PARM_DESC(viafb_dual_fb, 2136 "Turn on/off flag of dual framebuffer devices.(Default = OFF)"); 2137 2138 module_param(viafb_platform_epia_dvi, int, S_IRUSR); 2139 MODULE_PARM_DESC(viafb_platform_epia_dvi, 2140 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)"); 2141 2142 module_param(viafb_device_lcd_dualedge, int, S_IRUSR); 2143 MODULE_PARM_DESC(viafb_device_lcd_dualedge, 2144 "Turn on/off flag of dual edge panel.(Default = OFF)"); 2145 2146 module_param(viafb_bus_width, int, S_IRUSR); 2147 MODULE_PARM_DESC(viafb_bus_width, 2148 "Set bus width of panel.(Default = 12)"); 2149 2150 module_param(viafb_lcd_mode, int, S_IRUSR); 2151 MODULE_PARM_DESC(viafb_lcd_mode, 2152 "Set Flat Panel mode(Default=OPENLDI)"); 2153 2154 module_param(viafb_lcd_port, charp, S_IRUSR); 2155 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port."); 2156 2157 module_param(viafb_dvi_port, charp, S_IRUSR); 2158 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port."); 2159 2160 MODULE_LICENSE("GPL"); 2161 #endif 2162