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/module.h> 23 #include <linux/seq_file.h> 24 #include <linux/slab.h> 25 #include <linux/stat.h> 26 #include <linux/via-core.h> 27 #include <linux/via_i2c.h> 28 #include <asm/olpc.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(256 * sizeof(u32), GFP_KERNEL); 600 if (!viafb_gamma_table) 601 return -ENOMEM; 602 viafb_get_gamma_table(viafb_gamma_table); 603 if (copy_to_user(argp, viafb_gamma_table, 604 256 * sizeof(u32))) { 605 kfree(viafb_gamma_table); 606 return -EFAULT; 607 } 608 kfree(viafb_gamma_table); 609 break; 610 611 case VIAFB_GET_GAMMA_SUPPORT_STATE: 612 viafb_get_gamma_support_state(viafb_bpp, &state_info); 613 if (put_user(state_info, argp)) 614 return -EFAULT; 615 break; 616 case VIAFB_SYNC_SURFACE: 617 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n"); 618 break; 619 case VIAFB_GET_DRIVER_CAPS: 620 break; 621 622 case VIAFB_GET_PANEL_MAX_SIZE: 623 if (copy_from_user(&u.panel_pos_size_para, argp, 624 sizeof(u.panel_pos_size_para))) 625 return -EFAULT; 626 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 627 if (copy_to_user(argp, &u.panel_pos_size_para, 628 sizeof(u.panel_pos_size_para))) 629 return -EFAULT; 630 break; 631 case VIAFB_GET_PANEL_MAX_POSITION: 632 if (copy_from_user(&u.panel_pos_size_para, argp, 633 sizeof(u.panel_pos_size_para))) 634 return -EFAULT; 635 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 636 if (copy_to_user(argp, &u.panel_pos_size_para, 637 sizeof(u.panel_pos_size_para))) 638 return -EFAULT; 639 break; 640 641 case VIAFB_GET_PANEL_POSITION: 642 if (copy_from_user(&u.panel_pos_size_para, argp, 643 sizeof(u.panel_pos_size_para))) 644 return -EFAULT; 645 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 646 if (copy_to_user(argp, &u.panel_pos_size_para, 647 sizeof(u.panel_pos_size_para))) 648 return -EFAULT; 649 break; 650 case VIAFB_GET_PANEL_SIZE: 651 if (copy_from_user(&u.panel_pos_size_para, argp, 652 sizeof(u.panel_pos_size_para))) 653 return -EFAULT; 654 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 655 if (copy_to_user(argp, &u.panel_pos_size_para, 656 sizeof(u.panel_pos_size_para))) 657 return -EFAULT; 658 break; 659 660 case VIAFB_SET_PANEL_POSITION: 661 if (copy_from_user(&u.panel_pos_size_para, argp, 662 sizeof(u.panel_pos_size_para))) 663 return -EFAULT; 664 break; 665 case VIAFB_SET_PANEL_SIZE: 666 if (copy_from_user(&u.panel_pos_size_para, argp, 667 sizeof(u.panel_pos_size_para))) 668 return -EFAULT; 669 break; 670 671 default: 672 return -EINVAL; 673 } 674 675 return 0; 676 } 677 678 static void viafb_fillrect(struct fb_info *info, 679 const struct fb_fillrect *rect) 680 { 681 struct viafb_par *viapar = info->par; 682 struct viafb_shared *shared = viapar->shared; 683 u32 fg_color; 684 u8 rop; 685 686 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { 687 cfb_fillrect(info, rect); 688 return; 689 } 690 691 if (!rect->width || !rect->height) 692 return; 693 694 if (info->fix.visual == FB_VISUAL_TRUECOLOR) 695 fg_color = ((u32 *)info->pseudo_palette)[rect->color]; 696 else 697 fg_color = rect->color; 698 699 if (rect->rop == ROP_XOR) 700 rop = 0x5A; 701 else 702 rop = 0xF0; 703 704 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n"); 705 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL, 706 rect->width, rect->height, info->var.bits_per_pixel, 707 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy, 708 NULL, 0, 0, 0, 0, fg_color, 0, rop)) 709 cfb_fillrect(info, rect); 710 } 711 712 static void viafb_copyarea(struct fb_info *info, 713 const struct fb_copyarea *area) 714 { 715 struct viafb_par *viapar = info->par; 716 struct viafb_shared *shared = viapar->shared; 717 718 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { 719 cfb_copyarea(info, area); 720 return; 721 } 722 723 if (!area->width || !area->height) 724 return; 725 726 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n"); 727 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR, 728 area->width, area->height, info->var.bits_per_pixel, 729 viapar->vram_addr, info->fix.line_length, area->dx, area->dy, 730 NULL, viapar->vram_addr, info->fix.line_length, 731 area->sx, area->sy, 0, 0, 0)) 732 cfb_copyarea(info, area); 733 } 734 735 static void viafb_imageblit(struct fb_info *info, 736 const struct fb_image *image) 737 { 738 struct viafb_par *viapar = info->par; 739 struct viafb_shared *shared = viapar->shared; 740 u32 fg_color = 0, bg_color = 0; 741 u8 op; 742 743 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt || 744 (image->depth != 1 && image->depth != viapar->depth)) { 745 cfb_imageblit(info, image); 746 return; 747 } 748 749 if (image->depth == 1) { 750 op = VIA_BITBLT_MONO; 751 if (info->fix.visual == FB_VISUAL_TRUECOLOR) { 752 fg_color = 753 ((u32 *)info->pseudo_palette)[image->fg_color]; 754 bg_color = 755 ((u32 *)info->pseudo_palette)[image->bg_color]; 756 } else { 757 fg_color = image->fg_color; 758 bg_color = image->bg_color; 759 } 760 } else 761 op = VIA_BITBLT_COLOR; 762 763 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n"); 764 if (shared->hw_bitblt(shared->vdev->engine_mmio, op, 765 image->width, image->height, info->var.bits_per_pixel, 766 viapar->vram_addr, info->fix.line_length, image->dx, image->dy, 767 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0)) 768 cfb_imageblit(info, image); 769 } 770 771 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) 772 { 773 struct viafb_par *viapar = info->par; 774 void __iomem *engine = viapar->shared->vdev->engine_mmio; 775 u32 temp, xx, yy, bg_color = 0, fg_color = 0, 776 chip_name = viapar->shared->chip_info.gfx_chip_name; 777 int i, j = 0, cur_size = 64; 778 779 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo) 780 return -ENODEV; 781 782 /* LCD ouput does not support hw cursors (at least on VN896) */ 783 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) || 784 viafb_LCD_ON) 785 return -ENODEV; 786 787 viafb_show_hw_cursor(info, HW_Cursor_OFF); 788 789 if (cursor->set & FB_CUR_SETHOT) { 790 temp = (cursor->hot.x << 16) + cursor->hot.y; 791 writel(temp, engine + VIA_REG_CURSOR_ORG); 792 } 793 794 if (cursor->set & FB_CUR_SETPOS) { 795 yy = cursor->image.dy - info->var.yoffset; 796 xx = cursor->image.dx - info->var.xoffset; 797 temp = yy & 0xFFFF; 798 temp |= (xx << 16); 799 writel(temp, engine + VIA_REG_CURSOR_POS); 800 } 801 802 if (cursor->image.width <= 32 && cursor->image.height <= 32) 803 cur_size = 32; 804 else if (cursor->image.width <= 64 && cursor->image.height <= 64) 805 cur_size = 64; 806 else { 807 printk(KERN_WARNING "viafb_cursor: The cursor is too large " 808 "%dx%d", cursor->image.width, cursor->image.height); 809 return -ENXIO; 810 } 811 812 if (cursor->set & FB_CUR_SETSIZE) { 813 temp = readl(engine + VIA_REG_CURSOR_MODE); 814 if (cur_size == 32) 815 temp |= 0x2; 816 else 817 temp &= ~0x2; 818 819 writel(temp, engine + VIA_REG_CURSOR_MODE); 820 } 821 822 if (cursor->set & FB_CUR_SETCMAP) { 823 fg_color = cursor->image.fg_color; 824 bg_color = cursor->image.bg_color; 825 if (chip_name == UNICHROME_CX700 || 826 chip_name == UNICHROME_VX800 || 827 chip_name == UNICHROME_VX855 || 828 chip_name == UNICHROME_VX900) { 829 fg_color = 830 ((info->cmap.red[fg_color] & 0xFFC0) << 14) | 831 ((info->cmap.green[fg_color] & 0xFFC0) << 4) | 832 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6); 833 bg_color = 834 ((info->cmap.red[bg_color] & 0xFFC0) << 14) | 835 ((info->cmap.green[bg_color] & 0xFFC0) << 4) | 836 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6); 837 } else { 838 fg_color = 839 ((info->cmap.red[fg_color] & 0xFF00) << 8) | 840 (info->cmap.green[fg_color] & 0xFF00) | 841 ((info->cmap.blue[fg_color] & 0xFF00) >> 8); 842 bg_color = 843 ((info->cmap.red[bg_color] & 0xFF00) << 8) | 844 (info->cmap.green[bg_color] & 0xFF00) | 845 ((info->cmap.blue[bg_color] & 0xFF00) >> 8); 846 } 847 848 writel(bg_color, engine + VIA_REG_CURSOR_BG); 849 writel(fg_color, engine + VIA_REG_CURSOR_FG); 850 } 851 852 if (cursor->set & FB_CUR_SETSHAPE) { 853 struct { 854 u8 data[CURSOR_SIZE]; 855 u32 bak[CURSOR_SIZE / 4]; 856 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC); 857 int size = ((cursor->image.width + 7) >> 3) * 858 cursor->image.height; 859 860 if (!cr_data) 861 return -ENOMEM; 862 863 if (cur_size == 32) { 864 for (i = 0; i < (CURSOR_SIZE / 4); i++) { 865 cr_data->bak[i] = 0x0; 866 cr_data->bak[i + 1] = 0xFFFFFFFF; 867 i += 1; 868 } 869 } else { 870 for (i = 0; i < (CURSOR_SIZE / 4); i++) { 871 cr_data->bak[i] = 0x0; 872 cr_data->bak[i + 1] = 0x0; 873 cr_data->bak[i + 2] = 0xFFFFFFFF; 874 cr_data->bak[i + 3] = 0xFFFFFFFF; 875 i += 3; 876 } 877 } 878 879 switch (cursor->rop) { 880 case ROP_XOR: 881 for (i = 0; i < size; i++) 882 cr_data->data[i] = cursor->mask[i]; 883 break; 884 case ROP_COPY: 885 886 for (i = 0; i < size; i++) 887 cr_data->data[i] = cursor->mask[i]; 888 break; 889 default: 890 break; 891 } 892 893 if (cur_size == 32) { 894 for (i = 0; i < size; i++) { 895 cr_data->bak[j] = (u32) cr_data->data[i]; 896 cr_data->bak[j + 1] = ~cr_data->bak[j]; 897 j += 2; 898 } 899 } else { 900 for (i = 0; i < size; i++) { 901 cr_data->bak[j] = (u32) cr_data->data[i]; 902 cr_data->bak[j + 1] = 0x0; 903 cr_data->bak[j + 2] = ~cr_data->bak[j]; 904 cr_data->bak[j + 3] = ~cr_data->bak[j + 1]; 905 j += 4; 906 } 907 } 908 909 memcpy_toio(viafbinfo->screen_base + viapar->shared-> 910 cursor_vram_addr, cr_data->bak, CURSOR_SIZE); 911 kfree(cr_data); 912 } 913 914 if (cursor->enable) 915 viafb_show_hw_cursor(info, HW_Cursor_ON); 916 917 return 0; 918 } 919 920 static int viafb_sync(struct fb_info *info) 921 { 922 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) 923 viafb_wait_engine_idle(info); 924 return 0; 925 } 926 927 static int get_primary_device(void) 928 { 929 int primary_device = 0; 930 /* Rule: device on iga1 path are the primary device. */ 931 if (viafb_SAMM_ON) { 932 if (viafb_CRT_ON) { 933 if (viaparinfo->shared->iga1_devices & VIA_CRT) { 934 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1); 935 primary_device = CRT_Device; 936 } 937 } 938 if (viafb_DVI_ON) { 939 if (viaparinfo->tmds_setting_info->iga_path == IGA1) { 940 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n", 941 viaparinfo-> 942 tmds_setting_info->iga_path); 943 primary_device = DVI_Device; 944 } 945 } 946 if (viafb_LCD_ON) { 947 if (viaparinfo->lvds_setting_info->iga_path == IGA1) { 948 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n", 949 viaparinfo-> 950 lvds_setting_info->iga_path); 951 primary_device = LCD_Device; 952 } 953 } 954 if (viafb_LCD2_ON) { 955 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) { 956 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n", 957 viaparinfo-> 958 lvds_setting_info2->iga_path); 959 primary_device = LCD2_Device; 960 } 961 } 962 } 963 return primary_device; 964 } 965 966 static void retrieve_device_setting(struct viafb_ioctl_setting 967 *setting_info) 968 { 969 970 /* get device status */ 971 if (viafb_CRT_ON == 1) 972 setting_info->device_status = CRT_Device; 973 if (viafb_DVI_ON == 1) 974 setting_info->device_status |= DVI_Device; 975 if (viafb_LCD_ON == 1) 976 setting_info->device_status |= LCD_Device; 977 if (viafb_LCD2_ON == 1) 978 setting_info->device_status |= LCD2_Device; 979 980 setting_info->samm_status = viafb_SAMM_ON; 981 setting_info->primary_device = get_primary_device(); 982 983 setting_info->first_dev_bpp = viafb_bpp; 984 setting_info->second_dev_bpp = viafb_bpp1; 985 986 setting_info->first_dev_refresh = viafb_refresh; 987 setting_info->second_dev_refresh = viafb_refresh1; 988 989 setting_info->first_dev_hor_res = viafb_hotplug_Xres; 990 setting_info->first_dev_ver_res = viafb_hotplug_Yres; 991 setting_info->second_dev_hor_res = viafb_second_xres; 992 setting_info->second_dev_ver_res = viafb_second_yres; 993 994 /* Get lcd attributes */ 995 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method; 996 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id; 997 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode; 998 } 999 1000 static int __init parse_active_dev(void) 1001 { 1002 viafb_CRT_ON = STATE_OFF; 1003 viafb_DVI_ON = STATE_OFF; 1004 viafb_LCD_ON = STATE_OFF; 1005 viafb_LCD2_ON = STATE_OFF; 1006 /* 1. Modify the active status of devices. */ 1007 /* 2. Keep the order of devices, so we can set corresponding 1008 IGA path to devices in SAMM case. */ 1009 /* Note: The previous of active_dev is primary device, 1010 and the following is secondary device. */ 1011 if (!viafb_active_dev) { 1012 if (machine_is_olpc()) { /* LCD only */ 1013 viafb_LCD_ON = STATE_ON; 1014 viafb_SAMM_ON = STATE_OFF; 1015 } else { 1016 viafb_CRT_ON = STATE_ON; 1017 viafb_SAMM_ON = STATE_OFF; 1018 } 1019 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) { 1020 /* CRT+DVI */ 1021 viafb_CRT_ON = STATE_ON; 1022 viafb_DVI_ON = STATE_ON; 1023 viafb_primary_dev = CRT_Device; 1024 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) { 1025 /* DVI+CRT */ 1026 viafb_CRT_ON = STATE_ON; 1027 viafb_DVI_ON = STATE_ON; 1028 viafb_primary_dev = DVI_Device; 1029 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) { 1030 /* CRT+LCD */ 1031 viafb_CRT_ON = STATE_ON; 1032 viafb_LCD_ON = STATE_ON; 1033 viafb_primary_dev = CRT_Device; 1034 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) { 1035 /* LCD+CRT */ 1036 viafb_CRT_ON = STATE_ON; 1037 viafb_LCD_ON = STATE_ON; 1038 viafb_primary_dev = LCD_Device; 1039 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) { 1040 /* DVI+LCD */ 1041 viafb_DVI_ON = STATE_ON; 1042 viafb_LCD_ON = STATE_ON; 1043 viafb_primary_dev = DVI_Device; 1044 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) { 1045 /* LCD+DVI */ 1046 viafb_DVI_ON = STATE_ON; 1047 viafb_LCD_ON = STATE_ON; 1048 viafb_primary_dev = LCD_Device; 1049 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) { 1050 viafb_LCD_ON = STATE_ON; 1051 viafb_LCD2_ON = STATE_ON; 1052 viafb_primary_dev = LCD_Device; 1053 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) { 1054 viafb_LCD_ON = STATE_ON; 1055 viafb_LCD2_ON = STATE_ON; 1056 viafb_primary_dev = LCD2_Device; 1057 } else if (!strcmp(viafb_active_dev, "CRT")) { 1058 /* CRT only */ 1059 viafb_CRT_ON = STATE_ON; 1060 viafb_SAMM_ON = STATE_OFF; 1061 } else if (!strcmp(viafb_active_dev, "DVI")) { 1062 /* DVI only */ 1063 viafb_DVI_ON = STATE_ON; 1064 viafb_SAMM_ON = STATE_OFF; 1065 } else if (!strcmp(viafb_active_dev, "LCD")) { 1066 /* LCD only */ 1067 viafb_LCD_ON = STATE_ON; 1068 viafb_SAMM_ON = STATE_OFF; 1069 } else 1070 return -EINVAL; 1071 1072 return 0; 1073 } 1074 1075 static int parse_port(char *opt_str, int *output_interface) 1076 { 1077 if (!strncmp(opt_str, "DVP0", 4)) 1078 *output_interface = INTERFACE_DVP0; 1079 else if (!strncmp(opt_str, "DVP1", 4)) 1080 *output_interface = INTERFACE_DVP1; 1081 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11)) 1082 *output_interface = INTERFACE_DFP; 1083 else if (!strncmp(opt_str, "DFP_HIGH", 8)) 1084 *output_interface = INTERFACE_DFP_HIGH; 1085 else if (!strncmp(opt_str, "DFP_LOW", 7)) 1086 *output_interface = INTERFACE_DFP_LOW; 1087 else 1088 *output_interface = INTERFACE_NONE; 1089 return 0; 1090 } 1091 1092 static void parse_lcd_port(void) 1093 { 1094 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info. 1095 output_interface); 1096 /*Initialize to avoid unexpected behavior */ 1097 viaparinfo->chip_info->lvds_chip_info2.output_interface = 1098 INTERFACE_NONE; 1099 1100 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n", 1101 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info. 1102 output_interface); 1103 } 1104 1105 static void parse_dvi_port(void) 1106 { 1107 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info. 1108 output_interface); 1109 1110 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n", 1111 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info. 1112 output_interface); 1113 } 1114 1115 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1116 1117 /* 1118 * The proc filesystem read/write function, a simple proc implement to 1119 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, 1120 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], 1121 * CR9B, SR65, CR97, CR99 1122 */ 1123 static int viafb_dvp0_proc_show(struct seq_file *m, void *v) 1124 { 1125 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0; 1126 dvp0_data_dri = 1127 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 | 1128 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1; 1129 dvp0_clk_dri = 1130 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 | 1131 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2; 1132 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f; 1133 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); 1134 return 0; 1135 } 1136 1137 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file) 1138 { 1139 return single_open(file, viafb_dvp0_proc_show, NULL); 1140 } 1141 1142 static ssize_t viafb_dvp0_proc_write(struct file *file, 1143 const char __user *buffer, size_t count, loff_t *pos) 1144 { 1145 char buf[20], *value, *pbuf; 1146 u8 reg_val = 0; 1147 unsigned long length, i; 1148 if (count < 1) 1149 return -EINVAL; 1150 length = count > 20 ? 20 : count; 1151 if (copy_from_user(&buf[0], buffer, length)) 1152 return -EFAULT; 1153 buf[length - 1] = '\0'; /*Ensure end string */ 1154 pbuf = &buf[0]; 1155 for (i = 0; i < 3; i++) { 1156 value = strsep(&pbuf, " "); 1157 if (value != NULL) { 1158 if (kstrtou8(value, 0, ®_val) < 0) 1159 return -EINVAL; 1160 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i, 1161 reg_val); 1162 switch (i) { 1163 case 0: 1164 viafb_write_reg_mask(CR96, VIACR, 1165 reg_val, 0x0f); 1166 break; 1167 case 1: 1168 viafb_write_reg_mask(SR2A, VIASR, 1169 reg_val << 4, BIT5); 1170 viafb_write_reg_mask(SR1B, VIASR, 1171 reg_val << 1, BIT1); 1172 break; 1173 case 2: 1174 viafb_write_reg_mask(SR2A, VIASR, 1175 reg_val << 3, BIT4); 1176 viafb_write_reg_mask(SR1E, VIASR, 1177 reg_val << 2, BIT2); 1178 break; 1179 default: 1180 break; 1181 } 1182 } else { 1183 break; 1184 } 1185 } 1186 return count; 1187 } 1188 1189 static const struct file_operations viafb_dvp0_proc_fops = { 1190 .owner = THIS_MODULE, 1191 .open = viafb_dvp0_proc_open, 1192 .read = seq_read, 1193 .llseek = seq_lseek, 1194 .release = single_release, 1195 .write = viafb_dvp0_proc_write, 1196 }; 1197 1198 static int viafb_dvp1_proc_show(struct seq_file *m, void *v) 1199 { 1200 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0; 1201 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f; 1202 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2; 1203 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03; 1204 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); 1205 return 0; 1206 } 1207 1208 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file) 1209 { 1210 return single_open(file, viafb_dvp1_proc_show, NULL); 1211 } 1212 1213 static ssize_t viafb_dvp1_proc_write(struct file *file, 1214 const char __user *buffer, size_t count, loff_t *pos) 1215 { 1216 char buf[20], *value, *pbuf; 1217 u8 reg_val = 0; 1218 unsigned long length, i; 1219 if (count < 1) 1220 return -EINVAL; 1221 length = count > 20 ? 20 : count; 1222 if (copy_from_user(&buf[0], buffer, length)) 1223 return -EFAULT; 1224 buf[length - 1] = '\0'; /*Ensure end string */ 1225 pbuf = &buf[0]; 1226 for (i = 0; i < 3; i++) { 1227 value = strsep(&pbuf, " "); 1228 if (value != NULL) { 1229 if (kstrtou8(value, 0, ®_val) < 0) 1230 return -EINVAL; 1231 switch (i) { 1232 case 0: 1233 viafb_write_reg_mask(CR9B, VIACR, 1234 reg_val, 0x0f); 1235 break; 1236 case 1: 1237 viafb_write_reg_mask(SR65, VIASR, 1238 reg_val << 2, 0x0c); 1239 break; 1240 case 2: 1241 viafb_write_reg_mask(SR65, VIASR, 1242 reg_val, 0x03); 1243 break; 1244 default: 1245 break; 1246 } 1247 } else { 1248 break; 1249 } 1250 } 1251 return count; 1252 } 1253 1254 static const struct file_operations viafb_dvp1_proc_fops = { 1255 .owner = THIS_MODULE, 1256 .open = viafb_dvp1_proc_open, 1257 .read = seq_read, 1258 .llseek = seq_lseek, 1259 .release = single_release, 1260 .write = viafb_dvp1_proc_write, 1261 }; 1262 1263 static int viafb_dfph_proc_show(struct seq_file *m, void *v) 1264 { 1265 u8 dfp_high = 0; 1266 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f; 1267 seq_printf(m, "%x\n", dfp_high); 1268 return 0; 1269 } 1270 1271 static int viafb_dfph_proc_open(struct inode *inode, struct file *file) 1272 { 1273 return single_open(file, viafb_dfph_proc_show, NULL); 1274 } 1275 1276 static ssize_t viafb_dfph_proc_write(struct file *file, 1277 const char __user *buffer, size_t count, loff_t *pos) 1278 { 1279 int err; 1280 u8 reg_val; 1281 err = kstrtou8_from_user(buffer, count, 0, ®_val); 1282 if (err) 1283 return err; 1284 1285 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); 1286 return count; 1287 } 1288 1289 static const struct file_operations viafb_dfph_proc_fops = { 1290 .owner = THIS_MODULE, 1291 .open = viafb_dfph_proc_open, 1292 .read = seq_read, 1293 .llseek = seq_lseek, 1294 .release = single_release, 1295 .write = viafb_dfph_proc_write, 1296 }; 1297 1298 static int viafb_dfpl_proc_show(struct seq_file *m, void *v) 1299 { 1300 u8 dfp_low = 0; 1301 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f; 1302 seq_printf(m, "%x\n", dfp_low); 1303 return 0; 1304 } 1305 1306 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file) 1307 { 1308 return single_open(file, viafb_dfpl_proc_show, NULL); 1309 } 1310 1311 static ssize_t viafb_dfpl_proc_write(struct file *file, 1312 const char __user *buffer, size_t count, loff_t *pos) 1313 { 1314 int err; 1315 u8 reg_val; 1316 err = kstrtou8_from_user(buffer, count, 0, ®_val); 1317 if (err) 1318 return err; 1319 1320 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); 1321 return count; 1322 } 1323 1324 static const struct file_operations viafb_dfpl_proc_fops = { 1325 .owner = THIS_MODULE, 1326 .open = viafb_dfpl_proc_open, 1327 .read = seq_read, 1328 .llseek = seq_lseek, 1329 .release = single_release, 1330 .write = viafb_dfpl_proc_write, 1331 }; 1332 1333 static int viafb_vt1636_proc_show(struct seq_file *m, void *v) 1334 { 1335 u8 vt1636_08 = 0, vt1636_09 = 0; 1336 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { 1337 case VT1636_LVDS: 1338 vt1636_08 = 1339 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, 1340 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f; 1341 vt1636_09 = 1342 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, 1343 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f; 1344 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09); 1345 break; 1346 default: 1347 break; 1348 } 1349 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { 1350 case VT1636_LVDS: 1351 vt1636_08 = 1352 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, 1353 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f; 1354 vt1636_09 = 1355 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, 1356 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f; 1357 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09); 1358 break; 1359 default: 1360 break; 1361 } 1362 return 0; 1363 } 1364 1365 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file) 1366 { 1367 return single_open(file, viafb_vt1636_proc_show, NULL); 1368 } 1369 1370 static ssize_t viafb_vt1636_proc_write(struct file *file, 1371 const char __user *buffer, size_t count, loff_t *pos) 1372 { 1373 char buf[30], *value, *pbuf; 1374 struct IODATA reg_val; 1375 unsigned long length, i; 1376 if (count < 1) 1377 return -EINVAL; 1378 length = count > 30 ? 30 : count; 1379 if (copy_from_user(&buf[0], buffer, length)) 1380 return -EFAULT; 1381 buf[length - 1] = '\0'; /*Ensure end string */ 1382 pbuf = &buf[0]; 1383 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { 1384 case VT1636_LVDS: 1385 for (i = 0; i < 2; i++) { 1386 value = strsep(&pbuf, " "); 1387 if (value != NULL) { 1388 if (kstrtou8(value, 0, ®_val.Data) < 0) 1389 return -EINVAL; 1390 switch (i) { 1391 case 0: 1392 reg_val.Index = 0x08; 1393 reg_val.Mask = 0x0f; 1394 viafb_gpio_i2c_write_mask_lvds 1395 (viaparinfo->lvds_setting_info, 1396 &viaparinfo-> 1397 chip_info->lvds_chip_info, 1398 reg_val); 1399 break; 1400 case 1: 1401 reg_val.Index = 0x09; 1402 reg_val.Mask = 0x1f; 1403 viafb_gpio_i2c_write_mask_lvds 1404 (viaparinfo->lvds_setting_info, 1405 &viaparinfo-> 1406 chip_info->lvds_chip_info, 1407 reg_val); 1408 break; 1409 default: 1410 break; 1411 } 1412 } else { 1413 break; 1414 } 1415 } 1416 break; 1417 default: 1418 break; 1419 } 1420 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { 1421 case VT1636_LVDS: 1422 for (i = 0; i < 2; i++) { 1423 value = strsep(&pbuf, " "); 1424 if (value != NULL) { 1425 if (kstrtou8(value, 0, ®_val.Data) < 0) 1426 return -EINVAL; 1427 switch (i) { 1428 case 0: 1429 reg_val.Index = 0x08; 1430 reg_val.Mask = 0x0f; 1431 viafb_gpio_i2c_write_mask_lvds 1432 (viaparinfo->lvds_setting_info2, 1433 &viaparinfo-> 1434 chip_info->lvds_chip_info2, 1435 reg_val); 1436 break; 1437 case 1: 1438 reg_val.Index = 0x09; 1439 reg_val.Mask = 0x1f; 1440 viafb_gpio_i2c_write_mask_lvds 1441 (viaparinfo->lvds_setting_info2, 1442 &viaparinfo-> 1443 chip_info->lvds_chip_info2, 1444 reg_val); 1445 break; 1446 default: 1447 break; 1448 } 1449 } else { 1450 break; 1451 } 1452 } 1453 break; 1454 default: 1455 break; 1456 } 1457 return count; 1458 } 1459 1460 static const struct file_operations viafb_vt1636_proc_fops = { 1461 .owner = THIS_MODULE, 1462 .open = viafb_vt1636_proc_open, 1463 .read = seq_read, 1464 .llseek = seq_lseek, 1465 .release = single_release, 1466 .write = viafb_vt1636_proc_write, 1467 }; 1468 1469 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1470 1471 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v) 1472 { 1473 via_odev_to_seq(m, supported_odev_map[ 1474 viaparinfo->shared->chip_info.gfx_chip_name]); 1475 return 0; 1476 } 1477 1478 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev) 1479 { 1480 char buf[64], *ptr = buf; 1481 u32 devices; 1482 bool add, sub; 1483 1484 if (count < 1 || count > 63) 1485 return -EINVAL; 1486 if (copy_from_user(&buf[0], buffer, count)) 1487 return -EFAULT; 1488 buf[count] = '\0'; 1489 add = buf[0] == '+'; 1490 sub = buf[0] == '-'; 1491 if (add || sub) 1492 ptr++; 1493 devices = via_parse_odev(ptr, &ptr); 1494 if (*ptr == '\n') 1495 ptr++; 1496 if (*ptr != 0) 1497 return -EINVAL; 1498 if (add) 1499 *odev |= devices; 1500 else if (sub) 1501 *odev &= ~devices; 1502 else 1503 *odev = devices; 1504 return count; 1505 } 1506 1507 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v) 1508 { 1509 via_odev_to_seq(m, viaparinfo->shared->iga1_devices); 1510 return 0; 1511 } 1512 1513 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file) 1514 { 1515 return single_open(file, viafb_iga1_odev_proc_show, NULL); 1516 } 1517 1518 static ssize_t viafb_iga1_odev_proc_write(struct file *file, 1519 const char __user *buffer, size_t count, loff_t *pos) 1520 { 1521 u32 dev_on, dev_off, dev_old, dev_new; 1522 ssize_t res; 1523 1524 dev_old = dev_new = viaparinfo->shared->iga1_devices; 1525 res = odev_update(buffer, count, &dev_new); 1526 if (res != count) 1527 return res; 1528 dev_off = dev_old & ~dev_new; 1529 dev_on = dev_new & ~dev_old; 1530 viaparinfo->shared->iga1_devices = dev_new; 1531 viaparinfo->shared->iga2_devices &= ~dev_new; 1532 via_set_state(dev_off, VIA_STATE_OFF); 1533 via_set_source(dev_new, IGA1); 1534 via_set_state(dev_on, VIA_STATE_ON); 1535 return res; 1536 } 1537 1538 static const struct file_operations viafb_iga1_odev_proc_fops = { 1539 .owner = THIS_MODULE, 1540 .open = viafb_iga1_odev_proc_open, 1541 .read = seq_read, 1542 .llseek = seq_lseek, 1543 .release = single_release, 1544 .write = viafb_iga1_odev_proc_write, 1545 }; 1546 1547 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v) 1548 { 1549 via_odev_to_seq(m, viaparinfo->shared->iga2_devices); 1550 return 0; 1551 } 1552 1553 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file) 1554 { 1555 return single_open(file, viafb_iga2_odev_proc_show, NULL); 1556 } 1557 1558 static ssize_t viafb_iga2_odev_proc_write(struct file *file, 1559 const char __user *buffer, size_t count, loff_t *pos) 1560 { 1561 u32 dev_on, dev_off, dev_old, dev_new; 1562 ssize_t res; 1563 1564 dev_old = dev_new = viaparinfo->shared->iga2_devices; 1565 res = odev_update(buffer, count, &dev_new); 1566 if (res != count) 1567 return res; 1568 dev_off = dev_old & ~dev_new; 1569 dev_on = dev_new & ~dev_old; 1570 viaparinfo->shared->iga2_devices = dev_new; 1571 viaparinfo->shared->iga1_devices &= ~dev_new; 1572 via_set_state(dev_off, VIA_STATE_OFF); 1573 via_set_source(dev_new, IGA2); 1574 via_set_state(dev_on, VIA_STATE_ON); 1575 return res; 1576 } 1577 1578 static const struct file_operations viafb_iga2_odev_proc_fops = { 1579 .owner = THIS_MODULE, 1580 .open = viafb_iga2_odev_proc_open, 1581 .read = seq_read, 1582 .llseek = seq_lseek, 1583 .release = single_release, 1584 .write = viafb_iga2_odev_proc_write, 1585 }; 1586 1587 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS) 1588 static void viafb_init_proc(struct viafb_shared *shared) 1589 { 1590 struct proc_dir_entry *iga1_entry, *iga2_entry, 1591 *viafb_entry = proc_mkdir("viafb", NULL); 1592 1593 shared->proc_entry = viafb_entry; 1594 if (viafb_entry) { 1595 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1596 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops); 1597 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops); 1598 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops); 1599 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops); 1600 if (IS_VT1636(shared->chip_info.lvds_chip_info) 1601 || IS_VT1636(shared->chip_info.lvds_chip_info2)) 1602 proc_create("vt1636", 0, viafb_entry, 1603 &viafb_vt1636_proc_fops); 1604 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1605 1606 proc_create_single("supported_output_devices", 0, viafb_entry, 1607 viafb_sup_odev_proc_show); 1608 iga1_entry = proc_mkdir("iga1", viafb_entry); 1609 shared->iga1_proc_entry = iga1_entry; 1610 proc_create("output_devices", 0, iga1_entry, 1611 &viafb_iga1_odev_proc_fops); 1612 iga2_entry = proc_mkdir("iga2", viafb_entry); 1613 shared->iga2_proc_entry = iga2_entry; 1614 proc_create("output_devices", 0, iga2_entry, 1615 &viafb_iga2_odev_proc_fops); 1616 } 1617 } 1618 static void viafb_remove_proc(struct viafb_shared *shared) 1619 { 1620 struct proc_dir_entry *viafb_entry = shared->proc_entry; 1621 1622 if (!viafb_entry) 1623 return; 1624 1625 remove_proc_entry("output_devices", shared->iga2_proc_entry); 1626 remove_proc_entry("iga2", viafb_entry); 1627 remove_proc_entry("output_devices", shared->iga1_proc_entry); 1628 remove_proc_entry("iga1", viafb_entry); 1629 remove_proc_entry("supported_output_devices", viafb_entry); 1630 1631 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1632 remove_proc_entry("dvp0", viafb_entry);/* parent dir */ 1633 remove_proc_entry("dvp1", viafb_entry); 1634 remove_proc_entry("dfph", viafb_entry); 1635 remove_proc_entry("dfpl", viafb_entry); 1636 if (IS_VT1636(shared->chip_info.lvds_chip_info) 1637 || IS_VT1636(shared->chip_info.lvds_chip_info2)) 1638 remove_proc_entry("vt1636", viafb_entry); 1639 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1640 1641 remove_proc_entry("viafb", NULL); 1642 } 1643 #undef IS_VT1636 1644 1645 static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres) 1646 { 1647 const struct fb_videomode *mode = NULL; 1648 char *ptr; 1649 1650 if (!str) { 1651 if (devices == VIA_CRT) 1652 mode = via_aux_get_preferred_mode( 1653 viaparinfo->shared->i2c_26); 1654 else if (devices == VIA_DVP1) 1655 mode = via_aux_get_preferred_mode( 1656 viaparinfo->shared->i2c_31); 1657 1658 if (mode) { 1659 *xres = mode->xres; 1660 *yres = mode->yres; 1661 } else if (machine_is_olpc()) { 1662 *xres = 1200; 1663 *yres = 900; 1664 } else { 1665 *xres = 640; 1666 *yres = 480; 1667 } 1668 return 0; 1669 } 1670 1671 *xres = simple_strtoul(str, &ptr, 10); 1672 if (ptr[0] != 'x') 1673 return -EINVAL; 1674 1675 *yres = simple_strtoul(&ptr[1], &ptr, 10); 1676 if (ptr[0]) 1677 return -EINVAL; 1678 1679 return 0; 1680 } 1681 1682 1683 #ifdef CONFIG_PM 1684 static int viafb_suspend(void *unused) 1685 { 1686 console_lock(); 1687 fb_set_suspend(viafbinfo, 1); 1688 viafb_sync(viafbinfo); 1689 console_unlock(); 1690 1691 return 0; 1692 } 1693 1694 static int viafb_resume(void *unused) 1695 { 1696 console_lock(); 1697 if (viaparinfo->shared->vdev->engine_mmio) 1698 viafb_reset_engine(viaparinfo); 1699 viafb_set_par(viafbinfo); 1700 if (viafb_dual_fb) 1701 viafb_set_par(viafbinfo1); 1702 fb_set_suspend(viafbinfo, 0); 1703 1704 console_unlock(); 1705 return 0; 1706 } 1707 1708 static struct viafb_pm_hooks viafb_fb_pm_hooks = { 1709 .suspend = viafb_suspend, 1710 .resume = viafb_resume 1711 }; 1712 1713 #endif 1714 1715 static void i2c_bus_probe(struct viafb_shared *shared) 1716 { 1717 /* should be always CRT */ 1718 printk(KERN_INFO "viafb: Probing I2C bus 0x26\n"); 1719 shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26)); 1720 1721 /* seems to be usually DVP1 */ 1722 printk(KERN_INFO "viafb: Probing I2C bus 0x31\n"); 1723 shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31)); 1724 1725 /* FIXME: what is this? */ 1726 if (!machine_is_olpc()) { 1727 printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n"); 1728 shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C)); 1729 } 1730 1731 printk(KERN_INFO "viafb: Finished I2C bus probing"); 1732 } 1733 1734 static void i2c_bus_free(struct viafb_shared *shared) 1735 { 1736 via_aux_free(shared->i2c_26); 1737 via_aux_free(shared->i2c_31); 1738 via_aux_free(shared->i2c_2C); 1739 } 1740 1741 int via_fb_pci_probe(struct viafb_dev *vdev) 1742 { 1743 u32 default_xres, default_yres; 1744 struct fb_var_screeninfo default_var; 1745 int rc; 1746 u32 viafb_par_length; 1747 1748 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n"); 1749 memset(&default_var, 0, sizeof(default_var)); 1750 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8); 1751 1752 /* Allocate fb_info and ***_par here, also including some other needed 1753 * variables 1754 */ 1755 viafbinfo = framebuffer_alloc(viafb_par_length + 1756 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8), 1757 &vdev->pdev->dev); 1758 if (!viafbinfo) { 1759 printk(KERN_ERR"Could not allocate memory for viafb_info.\n"); 1760 return -ENOMEM; 1761 } 1762 1763 viaparinfo = (struct viafb_par *)viafbinfo->par; 1764 viaparinfo->shared = viafbinfo->par + viafb_par_length; 1765 viaparinfo->shared->vdev = vdev; 1766 viaparinfo->vram_addr = 0; 1767 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info; 1768 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info; 1769 viaparinfo->lvds_setting_info2 = 1770 &viaparinfo->shared->lvds_setting_info2; 1771 viaparinfo->chip_info = &viaparinfo->shared->chip_info; 1772 1773 i2c_bus_probe(viaparinfo->shared); 1774 if (viafb_dual_fb) 1775 viafb_SAMM_ON = 1; 1776 parse_lcd_port(); 1777 parse_dvi_port(); 1778 1779 viafb_init_chip_info(vdev->chip_type); 1780 /* 1781 * The framebuffer will have been successfully mapped by 1782 * the core (or we'd not be here), but we still need to 1783 * set up our own accounting. 1784 */ 1785 viaparinfo->fbmem = vdev->fbmem_start; 1786 viaparinfo->memsize = vdev->fbmem_len; 1787 viaparinfo->fbmem_free = viaparinfo->memsize; 1788 viaparinfo->fbmem_used = 0; 1789 viafbinfo->screen_base = vdev->fbmem; 1790 1791 viafbinfo->fix.mmio_start = vdev->engine_start; 1792 viafbinfo->fix.mmio_len = vdev->engine_len; 1793 viafbinfo->node = 0; 1794 viafbinfo->fbops = &viafb_ops; 1795 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; 1796 1797 viafbinfo->pseudo_palette = pseudo_pal; 1798 if (viafb_accel && !viafb_setup_engine(viafbinfo)) { 1799 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA | 1800 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT; 1801 default_var.accel_flags = FB_ACCELF_TEXT; 1802 } else { 1803 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED; 1804 default_var.accel_flags = 0; 1805 } 1806 1807 if (viafb_second_size && (viafb_second_size < 8)) { 1808 viafb_second_offset = viaparinfo->fbmem_free - 1809 viafb_second_size * 1024 * 1024; 1810 } else { 1811 viafb_second_size = 8; 1812 viafb_second_offset = viaparinfo->fbmem_free - 1813 viafb_second_size * 1024 * 1024; 1814 } 1815 1816 parse_mode(viafb_mode, viaparinfo->shared->iga1_devices, 1817 &default_xres, &default_yres); 1818 if (viafb_SAMM_ON == 1) 1819 parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices, 1820 &viafb_second_xres, &viafb_second_yres); 1821 1822 default_var.xres = default_xres; 1823 default_var.yres = default_yres; 1824 default_var.xres_virtual = default_xres; 1825 default_var.yres_virtual = default_yres; 1826 default_var.bits_per_pixel = viafb_bpp; 1827 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( 1828 default_var.xres, default_var.yres, viafb_refresh)); 1829 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo); 1830 viafbinfo->var = default_var; 1831 1832 if (viafb_dual_fb) { 1833 viafbinfo1 = framebuffer_alloc(viafb_par_length, 1834 &vdev->pdev->dev); 1835 if (!viafbinfo1) { 1836 printk(KERN_ERR 1837 "allocate the second framebuffer struct error\n"); 1838 rc = -ENOMEM; 1839 goto out_fb_release; 1840 } 1841 viaparinfo1 = viafbinfo1->par; 1842 memcpy(viaparinfo1, viaparinfo, viafb_par_length); 1843 viaparinfo1->vram_addr = viafb_second_offset; 1844 viaparinfo1->memsize = viaparinfo->memsize - 1845 viafb_second_offset; 1846 viaparinfo->memsize = viafb_second_offset; 1847 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset; 1848 1849 viaparinfo1->fbmem_used = viaparinfo->fbmem_used; 1850 viaparinfo1->fbmem_free = viaparinfo1->memsize - 1851 viaparinfo1->fbmem_used; 1852 viaparinfo->fbmem_free = viaparinfo->memsize; 1853 viaparinfo->fbmem_used = 0; 1854 1855 viaparinfo->iga_path = IGA1; 1856 viaparinfo1->iga_path = IGA2; 1857 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info)); 1858 viafbinfo1->par = viaparinfo1; 1859 viafbinfo1->screen_base = viafbinfo->screen_base + 1860 viafb_second_offset; 1861 1862 default_var.xres = viafb_second_xres; 1863 default_var.yres = viafb_second_yres; 1864 default_var.xres_virtual = viafb_second_xres; 1865 default_var.yres_virtual = viafb_second_yres; 1866 default_var.bits_per_pixel = viafb_bpp1; 1867 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( 1868 default_var.xres, default_var.yres, viafb_refresh1)); 1869 1870 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1); 1871 viafb_check_var(&default_var, viafbinfo1); 1872 viafbinfo1->var = default_var; 1873 viafb_update_fix(viafbinfo1); 1874 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var, 1875 &viafbinfo1->fix); 1876 } 1877 1878 viafb_check_var(&viafbinfo->var, viafbinfo); 1879 viafb_update_fix(viafbinfo); 1880 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var, 1881 &viafbinfo->fix); 1882 default_var.activate = FB_ACTIVATE_NOW; 1883 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0); 1884 if (rc) 1885 goto out_fb1_release; 1886 1887 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) 1888 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) { 1889 rc = register_framebuffer(viafbinfo1); 1890 if (rc) 1891 goto out_dealloc_cmap; 1892 } 1893 rc = register_framebuffer(viafbinfo); 1894 if (rc) 1895 goto out_fb1_unreg_lcd_cle266; 1896 1897 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device) 1898 || (viaparinfo->chip_info->gfx_chip_name != 1899 UNICHROME_CLE266))) { 1900 rc = register_framebuffer(viafbinfo1); 1901 if (rc) 1902 goto out_fb_unreg; 1903 } 1904 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n", 1905 viafbinfo->node, viafbinfo->fix.id, default_var.xres, 1906 default_var.yres, default_var.bits_per_pixel); 1907 1908 viafb_init_proc(viaparinfo->shared); 1909 viafb_init_dac(IGA2); 1910 1911 #ifdef CONFIG_PM 1912 viafb_pm_register(&viafb_fb_pm_hooks); 1913 #endif 1914 return 0; 1915 1916 out_fb_unreg: 1917 unregister_framebuffer(viafbinfo); 1918 out_fb1_unreg_lcd_cle266: 1919 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) 1920 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) 1921 unregister_framebuffer(viafbinfo1); 1922 out_dealloc_cmap: 1923 fb_dealloc_cmap(&viafbinfo->cmap); 1924 out_fb1_release: 1925 framebuffer_release(viafbinfo1); 1926 out_fb_release: 1927 i2c_bus_free(viaparinfo->shared); 1928 framebuffer_release(viafbinfo); 1929 return rc; 1930 } 1931 1932 void via_fb_pci_remove(struct pci_dev *pdev) 1933 { 1934 DEBUG_MSG(KERN_INFO "via_pci_remove!\n"); 1935 fb_dealloc_cmap(&viafbinfo->cmap); 1936 unregister_framebuffer(viafbinfo); 1937 if (viafb_dual_fb) 1938 unregister_framebuffer(viafbinfo1); 1939 viafb_remove_proc(viaparinfo->shared); 1940 i2c_bus_free(viaparinfo->shared); 1941 framebuffer_release(viafbinfo); 1942 if (viafb_dual_fb) 1943 framebuffer_release(viafbinfo1); 1944 } 1945 1946 #ifndef MODULE 1947 static int __init viafb_setup(void) 1948 { 1949 char *this_opt; 1950 char *options; 1951 1952 DEBUG_MSG(KERN_INFO "viafb_setup!\n"); 1953 1954 if (fb_get_options("viafb", &options)) 1955 return -ENODEV; 1956 1957 if (!options || !*options) 1958 return 0; 1959 1960 while ((this_opt = strsep(&options, ",")) != NULL) { 1961 if (!*this_opt) 1962 continue; 1963 1964 if (!strncmp(this_opt, "viafb_mode1=", 12)) { 1965 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL); 1966 } else if (!strncmp(this_opt, "viafb_mode=", 11)) { 1967 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL); 1968 } else if (!strncmp(this_opt, "viafb_bpp1=", 11)) { 1969 if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0) 1970 return -EINVAL; 1971 } else if (!strncmp(this_opt, "viafb_bpp=", 10)) { 1972 if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0) 1973 return -EINVAL; 1974 } else if (!strncmp(this_opt, "viafb_refresh1=", 15)) { 1975 if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0) 1976 return -EINVAL; 1977 } else if (!strncmp(this_opt, "viafb_refresh=", 14)) { 1978 if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0) 1979 return -EINVAL; 1980 } else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) { 1981 if (kstrtoint(this_opt + 21, 0, 1982 &viafb_lcd_dsp_method) < 0) 1983 return -EINVAL; 1984 } else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) { 1985 if (kstrtoint(this_opt + 19, 0, 1986 &viafb_lcd_panel_id) < 0) 1987 return -EINVAL; 1988 } else if (!strncmp(this_opt, "viafb_accel=", 12)) { 1989 if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0) 1990 return -EINVAL; 1991 } else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) { 1992 if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0) 1993 return -EINVAL; 1994 } else if (!strncmp(this_opt, "viafb_active_dev=", 17)) { 1995 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL); 1996 } else if (!strncmp(this_opt, 1997 "viafb_display_hardware_layout=", 30)) { 1998 if (kstrtoint(this_opt + 30, 0, 1999 &viafb_display_hardware_layout) < 0) 2000 return -EINVAL; 2001 } else if (!strncmp(this_opt, "viafb_second_size=", 18)) { 2002 if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0) 2003 return -EINVAL; 2004 } else if (!strncmp(this_opt, 2005 "viafb_platform_epia_dvi=", 24)) { 2006 if (kstrtoint(this_opt + 24, 0, 2007 &viafb_platform_epia_dvi) < 0) 2008 return -EINVAL; 2009 } else if (!strncmp(this_opt, 2010 "viafb_device_lcd_dualedge=", 26)) { 2011 if (kstrtoint(this_opt + 26, 0, 2012 &viafb_device_lcd_dualedge) < 0) 2013 return -EINVAL; 2014 } else if (!strncmp(this_opt, "viafb_bus_width=", 16)) { 2015 if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0) 2016 return -EINVAL; 2017 } else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) { 2018 if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0) 2019 return -EINVAL; 2020 } else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) { 2021 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL); 2022 } else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) { 2023 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL); 2024 } 2025 } 2026 return 0; 2027 } 2028 #endif 2029 2030 /* 2031 * These are called out of via-core for now. 2032 */ 2033 int __init viafb_init(void) 2034 { 2035 u32 dummy_x, dummy_y; 2036 int r = 0; 2037 2038 if (machine_is_olpc()) 2039 /* Apply XO-1.5-specific configuration. */ 2040 viafb_lcd_panel_id = 23; 2041 2042 #ifndef MODULE 2043 r = viafb_setup(); 2044 if (r < 0) 2045 return r; 2046 #endif 2047 if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y) 2048 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh) 2049 || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y) 2050 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1) 2051 || viafb_bpp < 0 || viafb_bpp > 32 2052 || viafb_bpp1 < 0 || viafb_bpp1 > 32 2053 || parse_active_dev()) 2054 return -EINVAL; 2055 2056 printk(KERN_INFO 2057 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n", 2058 VERSION_MAJOR, VERSION_MINOR); 2059 return r; 2060 } 2061 2062 void __exit viafb_exit(void) 2063 { 2064 DEBUG_MSG(KERN_INFO "viafb_exit!\n"); 2065 } 2066 2067 static struct fb_ops viafb_ops = { 2068 .owner = THIS_MODULE, 2069 .fb_open = viafb_open, 2070 .fb_release = viafb_release, 2071 .fb_check_var = viafb_check_var, 2072 .fb_set_par = viafb_set_par, 2073 .fb_setcolreg = viafb_setcolreg, 2074 .fb_pan_display = viafb_pan_display, 2075 .fb_blank = viafb_blank, 2076 .fb_fillrect = viafb_fillrect, 2077 .fb_copyarea = viafb_copyarea, 2078 .fb_imageblit = viafb_imageblit, 2079 .fb_cursor = viafb_cursor, 2080 .fb_ioctl = viafb_ioctl, 2081 .fb_sync = viafb_sync, 2082 }; 2083 2084 2085 #ifdef MODULE 2086 module_param(viafb_mode, charp, S_IRUSR); 2087 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)"); 2088 2089 module_param(viafb_mode1, charp, S_IRUSR); 2090 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)"); 2091 2092 module_param(viafb_bpp, int, S_IRUSR); 2093 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)"); 2094 2095 module_param(viafb_bpp1, int, S_IRUSR); 2096 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)"); 2097 2098 module_param(viafb_refresh, int, S_IRUSR); 2099 MODULE_PARM_DESC(viafb_refresh, 2100 "Set CRT viafb_refresh rate (default = 60)"); 2101 2102 module_param(viafb_refresh1, int, S_IRUSR); 2103 MODULE_PARM_DESC(viafb_refresh1, 2104 "Set CRT refresh rate (default = 60)"); 2105 2106 module_param(viafb_lcd_panel_id, int, S_IRUSR); 2107 MODULE_PARM_DESC(viafb_lcd_panel_id, 2108 "Set Flat Panel type(Default=1024x768)"); 2109 2110 module_param(viafb_lcd_dsp_method, int, S_IRUSR); 2111 MODULE_PARM_DESC(viafb_lcd_dsp_method, 2112 "Set Flat Panel display scaling method.(Default=Expandsion)"); 2113 2114 module_param(viafb_SAMM_ON, int, S_IRUSR); 2115 MODULE_PARM_DESC(viafb_SAMM_ON, 2116 "Turn on/off flag of SAMM(Default=OFF)"); 2117 2118 module_param(viafb_accel, int, S_IRUSR); 2119 MODULE_PARM_DESC(viafb_accel, 2120 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)"); 2121 2122 module_param(viafb_active_dev, charp, S_IRUSR); 2123 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices."); 2124 2125 module_param(viafb_display_hardware_layout, int, S_IRUSR); 2126 MODULE_PARM_DESC(viafb_display_hardware_layout, 2127 "Display Hardware Layout (LCD Only, DVI Only...,etc)"); 2128 2129 module_param(viafb_second_size, int, S_IRUSR); 2130 MODULE_PARM_DESC(viafb_second_size, 2131 "Set secondary device memory size"); 2132 2133 module_param(viafb_dual_fb, int, S_IRUSR); 2134 MODULE_PARM_DESC(viafb_dual_fb, 2135 "Turn on/off flag of dual framebuffer devices.(Default = OFF)"); 2136 2137 module_param(viafb_platform_epia_dvi, int, S_IRUSR); 2138 MODULE_PARM_DESC(viafb_platform_epia_dvi, 2139 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)"); 2140 2141 module_param(viafb_device_lcd_dualedge, int, S_IRUSR); 2142 MODULE_PARM_DESC(viafb_device_lcd_dualedge, 2143 "Turn on/off flag of dual edge panel.(Default = OFF)"); 2144 2145 module_param(viafb_bus_width, int, S_IRUSR); 2146 MODULE_PARM_DESC(viafb_bus_width, 2147 "Set bus width of panel.(Default = 12)"); 2148 2149 module_param(viafb_lcd_mode, int, S_IRUSR); 2150 MODULE_PARM_DESC(viafb_lcd_mode, 2151 "Set Flat Panel mode(Default=OPENLDI)"); 2152 2153 module_param(viafb_lcd_port, charp, S_IRUSR); 2154 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port."); 2155 2156 module_param(viafb_dvi_port, charp, S_IRUSR); 2157 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port."); 2158 2159 MODULE_LICENSE("GPL"); 2160 #endif 2161