1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. 4 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. 5 6 */ 7 8 #include <linux/compiler.h> 9 #include <linux/module.h> 10 #include <linux/seq_file.h> 11 #include <linux/slab.h> 12 #include <linux/stat.h> 13 #include <linux/via-core.h> 14 #include <linux/via_i2c.h> 15 16 #define _MASTER_FILE 17 #include "global.h" 18 19 static char *viafb_name = "Via"; 20 static u32 pseudo_pal[17]; 21 22 /* video mode */ 23 static char *viafb_mode; 24 static char *viafb_mode1; 25 static int viafb_bpp = 32; 26 static int viafb_bpp1 = 32; 27 28 static unsigned int viafb_second_offset; 29 static int viafb_second_size; 30 31 static int viafb_accel = 1; 32 33 /* Added for specifying active devices.*/ 34 static char *viafb_active_dev; 35 36 /*Added for specify lcd output port*/ 37 static char *viafb_lcd_port = ""; 38 static char *viafb_dvi_port = ""; 39 40 static void retrieve_device_setting(struct viafb_ioctl_setting 41 *setting_info); 42 static int viafb_pan_display(struct fb_var_screeninfo *var, 43 struct fb_info *info); 44 45 static struct fb_ops viafb_ops; 46 47 /* supported output devices on each IGP 48 * only CX700, VX800, VX855, VX900 were documented 49 * VIA_CRT should be everywhere 50 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL 51 * source selection on CX700 and later 52 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c 53 */ 54 static const u32 supported_odev_map[] = { 55 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1, 56 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 57 | VIA_LVDS2, 58 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 59 | VIA_LVDS2, 60 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 61 | VIA_LVDS2, 62 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 63 | VIA_LVDS2, 64 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 65 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 66 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 67 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 68 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 69 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 70 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 71 [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 72 }; 73 74 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth) 75 { 76 var->grayscale = 0; 77 var->red.msb_right = 0; 78 var->green.msb_right = 0; 79 var->blue.msb_right = 0; 80 var->transp.offset = 0; 81 var->transp.length = 0; 82 var->transp.msb_right = 0; 83 var->nonstd = 0; 84 switch (depth) { 85 case 8: 86 var->bits_per_pixel = 8; 87 var->red.offset = 0; 88 var->green.offset = 0; 89 var->blue.offset = 0; 90 var->red.length = 8; 91 var->green.length = 8; 92 var->blue.length = 8; 93 break; 94 case 15: 95 var->bits_per_pixel = 16; 96 var->red.offset = 10; 97 var->green.offset = 5; 98 var->blue.offset = 0; 99 var->red.length = 5; 100 var->green.length = 5; 101 var->blue.length = 5; 102 break; 103 case 16: 104 var->bits_per_pixel = 16; 105 var->red.offset = 11; 106 var->green.offset = 5; 107 var->blue.offset = 0; 108 var->red.length = 5; 109 var->green.length = 6; 110 var->blue.length = 5; 111 break; 112 case 24: 113 var->bits_per_pixel = 32; 114 var->red.offset = 16; 115 var->green.offset = 8; 116 var->blue.offset = 0; 117 var->red.length = 8; 118 var->green.length = 8; 119 var->blue.length = 8; 120 break; 121 case 30: 122 var->bits_per_pixel = 32; 123 var->red.offset = 20; 124 var->green.offset = 10; 125 var->blue.offset = 0; 126 var->red.length = 10; 127 var->green.length = 10; 128 var->blue.length = 10; 129 break; 130 } 131 } 132 133 static void viafb_update_fix(struct fb_info *info) 134 { 135 u32 bpp = info->var.bits_per_pixel; 136 137 info->fix.visual = 138 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; 139 info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8, 140 VIA_PITCH_SIZE); 141 } 142 143 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix, 144 struct viafb_par *viaparinfo) 145 { 146 memset(fix, 0, sizeof(struct fb_fix_screeninfo)); 147 strcpy(fix->id, viafb_name); 148 149 fix->smem_start = viaparinfo->fbmem; 150 fix->smem_len = viaparinfo->fbmem_free; 151 152 fix->type = FB_TYPE_PACKED_PIXELS; 153 fix->type_aux = 0; 154 fix->visual = FB_VISUAL_TRUECOLOR; 155 156 fix->xpanstep = fix->ywrapstep = 0; 157 fix->ypanstep = 1; 158 159 /* Just tell the accel name */ 160 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME; 161 } 162 static int viafb_open(struct fb_info *info, int user) 163 { 164 DEBUG_MSG(KERN_INFO "viafb_open!\n"); 165 return 0; 166 } 167 168 static int viafb_release(struct fb_info *info, int user) 169 { 170 DEBUG_MSG(KERN_INFO "viafb_release!\n"); 171 return 0; 172 } 173 174 static inline int get_var_refresh(struct fb_var_screeninfo *var) 175 { 176 u32 htotal, vtotal; 177 178 htotal = var->left_margin + var->xres + var->right_margin 179 + var->hsync_len; 180 vtotal = var->upper_margin + var->yres + var->lower_margin 181 + var->vsync_len; 182 return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal); 183 } 184 185 static int viafb_check_var(struct fb_var_screeninfo *var, 186 struct fb_info *info) 187 { 188 int depth, refresh; 189 struct viafb_par *ppar = info->par; 190 u32 line; 191 192 DEBUG_MSG(KERN_INFO "viafb_check_var!\n"); 193 /* Sanity check */ 194 /* HW neither support interlacte nor double-scaned mode */ 195 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE) 196 return -EINVAL; 197 198 /* the refresh rate is not important here, as we only want to know 199 * whether the resolution exists 200 */ 201 if (!viafb_get_best_mode(var->xres, var->yres, 60)) { 202 DEBUG_MSG(KERN_INFO 203 "viafb: Mode %dx%dx%d not supported!!\n", 204 var->xres, var->yres, var->bits_per_pixel); 205 return -EINVAL; 206 } 207 208 depth = fb_get_color_depth(var, &info->fix); 209 if (!depth) 210 depth = var->bits_per_pixel; 211 212 if (depth < 0 || depth > 32) 213 return -EINVAL; 214 else if (!depth) 215 depth = 24; 216 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1) 217 depth = 15; 218 else if (depth == 30) 219 depth = 30; 220 else if (depth <= 8) 221 depth = 8; 222 else if (depth <= 16) 223 depth = 16; 224 else 225 depth = 24; 226 227 viafb_fill_var_color_info(var, depth); 228 if (var->xres_virtual < var->xres) 229 var->xres_virtual = var->xres; 230 231 line = ALIGN(var->xres_virtual * var->bits_per_pixel / 8, 232 VIA_PITCH_SIZE); 233 if (line > VIA_PITCH_MAX || line * var->yres_virtual > ppar->memsize) 234 return -EINVAL; 235 236 /* Based on var passed in to calculate the refresh, 237 * because our driver use some modes special. 238 */ 239 refresh = viafb_get_refresh(var->xres, var->yres, 240 get_var_refresh(var)); 241 242 /* Adjust var according to our driver's own table */ 243 viafb_fill_var_timing_info(var, 244 viafb_get_best_mode(var->xres, var->yres, refresh)); 245 if (var->accel_flags & FB_ACCELF_TEXT && 246 !ppar->shared->vdev->engine_mmio) 247 var->accel_flags = 0; 248 249 return 0; 250 } 251 252 static int viafb_set_par(struct fb_info *info) 253 { 254 struct viafb_par *viapar = info->par; 255 int refresh; 256 DEBUG_MSG(KERN_INFO "viafb_set_par!\n"); 257 258 viafb_update_fix(info); 259 viapar->depth = fb_get_color_depth(&info->var, &info->fix); 260 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres, 261 viafbinfo->var.bits_per_pixel, 0); 262 263 if (viafb_dual_fb) { 264 viafb_update_device_setting(viafbinfo1->var.xres, 265 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel, 266 1); 267 } else if (viafb_SAMM_ON == 1) { 268 DEBUG_MSG(KERN_INFO 269 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n", 270 viafb_second_xres, viafb_second_yres, viafb_bpp1); 271 272 viafb_update_device_setting(viafb_second_xres, 273 viafb_second_yres, viafb_bpp1, 1); 274 } 275 276 refresh = get_var_refresh(&info->var); 277 if (viafb_dual_fb && viapar->iga_path == IGA2) { 278 viafb_bpp1 = info->var.bits_per_pixel; 279 viafb_refresh1 = refresh; 280 } else { 281 viafb_bpp = info->var.bits_per_pixel; 282 viafb_refresh = refresh; 283 } 284 285 if (info->var.accel_flags & FB_ACCELF_TEXT) 286 info->flags &= ~FBINFO_HWACCEL_DISABLED; 287 else 288 info->flags |= FBINFO_HWACCEL_DISABLED; 289 viafb_setmode(); 290 viafb_pan_display(&info->var, info); 291 292 return 0; 293 } 294 295 /* Set one color register */ 296 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green, 297 unsigned blue, unsigned transp, struct fb_info *info) 298 { 299 struct viafb_par *viapar = info->par; 300 u32 r, g, b; 301 302 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) { 303 if (regno > 255) 304 return -EINVAL; 305 306 if (!viafb_dual_fb || viapar->iga_path == IGA1) 307 viafb_set_primary_color_register(regno, red >> 8, 308 green >> 8, blue >> 8); 309 310 if (!viafb_dual_fb || viapar->iga_path == IGA2) 311 viafb_set_secondary_color_register(regno, red >> 8, 312 green >> 8, blue >> 8); 313 } else { 314 if (regno > 15) 315 return -EINVAL; 316 317 r = (red >> (16 - info->var.red.length)) 318 << info->var.red.offset; 319 b = (blue >> (16 - info->var.blue.length)) 320 << info->var.blue.offset; 321 g = (green >> (16 - info->var.green.length)) 322 << info->var.green.offset; 323 ((u32 *) info->pseudo_palette)[regno] = r | g | b; 324 } 325 326 return 0; 327 } 328 329 static int viafb_pan_display(struct fb_var_screeninfo *var, 330 struct fb_info *info) 331 { 332 struct viafb_par *viapar = info->par; 333 u32 vram_addr = viapar->vram_addr 334 + var->yoffset * info->fix.line_length 335 + var->xoffset * info->var.bits_per_pixel / 8; 336 337 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr); 338 if (!viafb_dual_fb) { 339 via_set_primary_address(vram_addr); 340 via_set_secondary_address(vram_addr); 341 } else if (viapar->iga_path == IGA1) 342 via_set_primary_address(vram_addr); 343 else 344 via_set_secondary_address(vram_addr); 345 346 return 0; 347 } 348 349 static int viafb_blank(int blank_mode, struct fb_info *info) 350 { 351 DEBUG_MSG(KERN_INFO "viafb_blank!\n"); 352 /* clear DPMS setting */ 353 354 switch (blank_mode) { 355 case FB_BLANK_UNBLANK: 356 /* Screen: On, HSync: On, VSync: On */ 357 /* control CRT monitor power management */ 358 via_set_state(VIA_CRT, VIA_STATE_ON); 359 break; 360 case FB_BLANK_HSYNC_SUSPEND: 361 /* Screen: Off, HSync: Off, VSync: On */ 362 /* control CRT monitor power management */ 363 via_set_state(VIA_CRT, VIA_STATE_STANDBY); 364 break; 365 case FB_BLANK_VSYNC_SUSPEND: 366 /* Screen: Off, HSync: On, VSync: Off */ 367 /* control CRT monitor power management */ 368 via_set_state(VIA_CRT, VIA_STATE_SUSPEND); 369 break; 370 case FB_BLANK_POWERDOWN: 371 /* Screen: Off, HSync: Off, VSync: Off */ 372 /* control CRT monitor power management */ 373 via_set_state(VIA_CRT, VIA_STATE_OFF); 374 break; 375 } 376 377 return 0; 378 } 379 380 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) 381 { 382 union { 383 struct viafb_ioctl_mode viamode; 384 struct viafb_ioctl_samm viasamm; 385 struct viafb_driver_version driver_version; 386 struct fb_var_screeninfo sec_var; 387 struct _panel_size_pos_info panel_pos_size_para; 388 struct viafb_ioctl_setting viafb_setting; 389 struct device_t active_dev; 390 } u; 391 u32 state_info = 0; 392 u32 *viafb_gamma_table; 393 char driver_name[] = "viafb"; 394 395 u32 __user *argp = (u32 __user *) arg; 396 u32 gpu32; 397 398 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd); 399 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n"); 400 memset(&u, 0, sizeof(u)); 401 402 switch (cmd) { 403 case VIAFB_GET_CHIP_INFO: 404 if (copy_to_user(argp, viaparinfo->chip_info, 405 sizeof(struct chip_information))) 406 return -EFAULT; 407 break; 408 case VIAFB_GET_INFO_SIZE: 409 return put_user((u32)sizeof(struct viafb_ioctl_info), argp); 410 case VIAFB_GET_INFO: 411 return viafb_ioctl_get_viafb_info(arg); 412 case VIAFB_HOTPLUG: 413 return put_user(viafb_ioctl_hotplug(info->var.xres, 414 info->var.yres, 415 info->var.bits_per_pixel), argp); 416 case VIAFB_SET_HOTPLUG_FLAG: 417 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 418 return -EFAULT; 419 viafb_hotplug = (gpu32) ? 1 : 0; 420 break; 421 case VIAFB_GET_RESOLUTION: 422 u.viamode.xres = (u32) viafb_hotplug_Xres; 423 u.viamode.yres = (u32) viafb_hotplug_Yres; 424 u.viamode.refresh = (u32) viafb_hotplug_refresh; 425 u.viamode.bpp = (u32) viafb_hotplug_bpp; 426 if (viafb_SAMM_ON == 1) { 427 u.viamode.xres_sec = viafb_second_xres; 428 u.viamode.yres_sec = viafb_second_yres; 429 u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual; 430 u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual; 431 u.viamode.refresh_sec = viafb_refresh1; 432 u.viamode.bpp_sec = viafb_bpp1; 433 } else { 434 u.viamode.xres_sec = 0; 435 u.viamode.yres_sec = 0; 436 u.viamode.virtual_xres_sec = 0; 437 u.viamode.virtual_yres_sec = 0; 438 u.viamode.refresh_sec = 0; 439 u.viamode.bpp_sec = 0; 440 } 441 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode))) 442 return -EFAULT; 443 break; 444 case VIAFB_GET_SAMM_INFO: 445 u.viasamm.samm_status = viafb_SAMM_ON; 446 447 if (viafb_SAMM_ON == 1) { 448 if (viafb_dual_fb) { 449 u.viasamm.size_prim = viaparinfo->fbmem_free; 450 u.viasamm.size_sec = viaparinfo1->fbmem_free; 451 } else { 452 if (viafb_second_size) { 453 u.viasamm.size_prim = 454 viaparinfo->fbmem_free - 455 viafb_second_size * 1024 * 1024; 456 u.viasamm.size_sec = 457 viafb_second_size * 1024 * 1024; 458 } else { 459 u.viasamm.size_prim = 460 viaparinfo->fbmem_free >> 1; 461 u.viasamm.size_sec = 462 (viaparinfo->fbmem_free >> 1); 463 } 464 } 465 u.viasamm.mem_base = viaparinfo->fbmem; 466 u.viasamm.offset_sec = viafb_second_offset; 467 } else { 468 u.viasamm.size_prim = 469 viaparinfo->memsize - viaparinfo->fbmem_used; 470 u.viasamm.size_sec = 0; 471 u.viasamm.mem_base = viaparinfo->fbmem; 472 u.viasamm.offset_sec = 0; 473 } 474 475 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm))) 476 return -EFAULT; 477 478 break; 479 case VIAFB_TURN_ON_OUTPUT_DEVICE: 480 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 481 return -EFAULT; 482 if (gpu32 & CRT_Device) 483 via_set_state(VIA_CRT, VIA_STATE_ON); 484 if (gpu32 & DVI_Device) 485 viafb_dvi_enable(); 486 if (gpu32 & LCD_Device) 487 viafb_lcd_enable(); 488 break; 489 case VIAFB_TURN_OFF_OUTPUT_DEVICE: 490 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 491 return -EFAULT; 492 if (gpu32 & CRT_Device) 493 via_set_state(VIA_CRT, VIA_STATE_OFF); 494 if (gpu32 & DVI_Device) 495 viafb_dvi_disable(); 496 if (gpu32 & LCD_Device) 497 viafb_lcd_disable(); 498 break; 499 case VIAFB_GET_DEVICE: 500 u.active_dev.crt = viafb_CRT_ON; 501 u.active_dev.dvi = viafb_DVI_ON; 502 u.active_dev.lcd = viafb_LCD_ON; 503 u.active_dev.samm = viafb_SAMM_ON; 504 u.active_dev.primary_dev = viafb_primary_dev; 505 506 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; 507 u.active_dev.lcd_panel_id = viafb_lcd_panel_id; 508 u.active_dev.lcd_mode = viafb_lcd_mode; 509 510 u.active_dev.xres = viafb_hotplug_Xres; 511 u.active_dev.yres = viafb_hotplug_Yres; 512 513 u.active_dev.xres1 = viafb_second_xres; 514 u.active_dev.yres1 = viafb_second_yres; 515 516 u.active_dev.bpp = viafb_bpp; 517 u.active_dev.bpp1 = viafb_bpp1; 518 u.active_dev.refresh = viafb_refresh; 519 u.active_dev.refresh1 = viafb_refresh1; 520 521 u.active_dev.epia_dvi = viafb_platform_epia_dvi; 522 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; 523 u.active_dev.bus_width = viafb_bus_width; 524 525 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev))) 526 return -EFAULT; 527 break; 528 529 case VIAFB_GET_DRIVER_VERSION: 530 u.driver_version.iMajorNum = VERSION_MAJOR; 531 u.driver_version.iKernelNum = VERSION_KERNEL; 532 u.driver_version.iOSNum = VERSION_OS; 533 u.driver_version.iMinorNum = VERSION_MINOR; 534 535 if (copy_to_user(argp, &u.driver_version, 536 sizeof(u.driver_version))) 537 return -EFAULT; 538 539 break; 540 541 case VIAFB_GET_DEVICE_INFO: 542 543 retrieve_device_setting(&u.viafb_setting); 544 545 if (copy_to_user(argp, &u.viafb_setting, 546 sizeof(u.viafb_setting))) 547 return -EFAULT; 548 549 break; 550 551 case VIAFB_GET_DEVICE_SUPPORT: 552 viafb_get_device_support_state(&state_info); 553 if (put_user(state_info, argp)) 554 return -EFAULT; 555 break; 556 557 case VIAFB_GET_DEVICE_CONNECT: 558 viafb_get_device_connect_state(&state_info); 559 if (put_user(state_info, argp)) 560 return -EFAULT; 561 break; 562 563 case VIAFB_GET_PANEL_SUPPORT_EXPAND: 564 state_info = 565 viafb_lcd_get_support_expand_state(info->var.xres, 566 info->var.yres); 567 if (put_user(state_info, argp)) 568 return -EFAULT; 569 break; 570 571 case VIAFB_GET_DRIVER_NAME: 572 if (copy_to_user(argp, driver_name, sizeof(driver_name))) 573 return -EFAULT; 574 break; 575 576 case VIAFB_SET_GAMMA_LUT: 577 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32)); 578 if (IS_ERR(viafb_gamma_table)) 579 return PTR_ERR(viafb_gamma_table); 580 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table); 581 kfree(viafb_gamma_table); 582 break; 583 584 case VIAFB_GET_GAMMA_LUT: 585 viafb_gamma_table = kmalloc_array(256, sizeof(u32), 586 GFP_KERNEL); 587 if (!viafb_gamma_table) 588 return -ENOMEM; 589 viafb_get_gamma_table(viafb_gamma_table); 590 if (copy_to_user(argp, viafb_gamma_table, 591 256 * sizeof(u32))) { 592 kfree(viafb_gamma_table); 593 return -EFAULT; 594 } 595 kfree(viafb_gamma_table); 596 break; 597 598 case VIAFB_GET_GAMMA_SUPPORT_STATE: 599 viafb_get_gamma_support_state(viafb_bpp, &state_info); 600 if (put_user(state_info, argp)) 601 return -EFAULT; 602 break; 603 case VIAFB_SYNC_SURFACE: 604 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n"); 605 break; 606 case VIAFB_GET_DRIVER_CAPS: 607 break; 608 609 case VIAFB_GET_PANEL_MAX_SIZE: 610 if (copy_from_user(&u.panel_pos_size_para, argp, 611 sizeof(u.panel_pos_size_para))) 612 return -EFAULT; 613 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 614 if (copy_to_user(argp, &u.panel_pos_size_para, 615 sizeof(u.panel_pos_size_para))) 616 return -EFAULT; 617 break; 618 case VIAFB_GET_PANEL_MAX_POSITION: 619 if (copy_from_user(&u.panel_pos_size_para, argp, 620 sizeof(u.panel_pos_size_para))) 621 return -EFAULT; 622 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 623 if (copy_to_user(argp, &u.panel_pos_size_para, 624 sizeof(u.panel_pos_size_para))) 625 return -EFAULT; 626 break; 627 628 case VIAFB_GET_PANEL_POSITION: 629 if (copy_from_user(&u.panel_pos_size_para, argp, 630 sizeof(u.panel_pos_size_para))) 631 return -EFAULT; 632 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 633 if (copy_to_user(argp, &u.panel_pos_size_para, 634 sizeof(u.panel_pos_size_para))) 635 return -EFAULT; 636 break; 637 case VIAFB_GET_PANEL_SIZE: 638 if (copy_from_user(&u.panel_pos_size_para, argp, 639 sizeof(u.panel_pos_size_para))) 640 return -EFAULT; 641 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 642 if (copy_to_user(argp, &u.panel_pos_size_para, 643 sizeof(u.panel_pos_size_para))) 644 return -EFAULT; 645 break; 646 647 case VIAFB_SET_PANEL_POSITION: 648 if (copy_from_user(&u.panel_pos_size_para, argp, 649 sizeof(u.panel_pos_size_para))) 650 return -EFAULT; 651 break; 652 case VIAFB_SET_PANEL_SIZE: 653 if (copy_from_user(&u.panel_pos_size_para, argp, 654 sizeof(u.panel_pos_size_para))) 655 return -EFAULT; 656 break; 657 658 default: 659 return -EINVAL; 660 } 661 662 return 0; 663 } 664 665 static void viafb_fillrect(struct fb_info *info, 666 const struct fb_fillrect *rect) 667 { 668 struct viafb_par *viapar = info->par; 669 struct viafb_shared *shared = viapar->shared; 670 u32 fg_color; 671 u8 rop; 672 673 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { 674 cfb_fillrect(info, rect); 675 return; 676 } 677 678 if (!rect->width || !rect->height) 679 return; 680 681 if (info->fix.visual == FB_VISUAL_TRUECOLOR) 682 fg_color = ((u32 *)info->pseudo_palette)[rect->color]; 683 else 684 fg_color = rect->color; 685 686 if (rect->rop == ROP_XOR) 687 rop = 0x5A; 688 else 689 rop = 0xF0; 690 691 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n"); 692 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL, 693 rect->width, rect->height, info->var.bits_per_pixel, 694 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy, 695 NULL, 0, 0, 0, 0, fg_color, 0, rop)) 696 cfb_fillrect(info, rect); 697 } 698 699 static void viafb_copyarea(struct fb_info *info, 700 const struct fb_copyarea *area) 701 { 702 struct viafb_par *viapar = info->par; 703 struct viafb_shared *shared = viapar->shared; 704 705 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { 706 cfb_copyarea(info, area); 707 return; 708 } 709 710 if (!area->width || !area->height) 711 return; 712 713 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n"); 714 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR, 715 area->width, area->height, info->var.bits_per_pixel, 716 viapar->vram_addr, info->fix.line_length, area->dx, area->dy, 717 NULL, viapar->vram_addr, info->fix.line_length, 718 area->sx, area->sy, 0, 0, 0)) 719 cfb_copyarea(info, area); 720 } 721 722 static void viafb_imageblit(struct fb_info *info, 723 const struct fb_image *image) 724 { 725 struct viafb_par *viapar = info->par; 726 struct viafb_shared *shared = viapar->shared; 727 u32 fg_color = 0, bg_color = 0; 728 u8 op; 729 730 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt || 731 (image->depth != 1 && image->depth != viapar->depth)) { 732 cfb_imageblit(info, image); 733 return; 734 } 735 736 if (image->depth == 1) { 737 op = VIA_BITBLT_MONO; 738 if (info->fix.visual == FB_VISUAL_TRUECOLOR) { 739 fg_color = 740 ((u32 *)info->pseudo_palette)[image->fg_color]; 741 bg_color = 742 ((u32 *)info->pseudo_palette)[image->bg_color]; 743 } else { 744 fg_color = image->fg_color; 745 bg_color = image->bg_color; 746 } 747 } else 748 op = VIA_BITBLT_COLOR; 749 750 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n"); 751 if (shared->hw_bitblt(shared->vdev->engine_mmio, op, 752 image->width, image->height, info->var.bits_per_pixel, 753 viapar->vram_addr, info->fix.line_length, image->dx, image->dy, 754 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0)) 755 cfb_imageblit(info, image); 756 } 757 758 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) 759 { 760 struct viafb_par *viapar = info->par; 761 void __iomem *engine = viapar->shared->vdev->engine_mmio; 762 u32 temp, xx, yy, bg_color = 0, fg_color = 0, 763 chip_name = viapar->shared->chip_info.gfx_chip_name; 764 int i, j = 0, cur_size = 64; 765 766 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo) 767 return -ENODEV; 768 769 /* LCD ouput does not support hw cursors (at least on VN896) */ 770 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) || 771 viafb_LCD_ON) 772 return -ENODEV; 773 774 viafb_show_hw_cursor(info, HW_Cursor_OFF); 775 776 if (cursor->set & FB_CUR_SETHOT) { 777 temp = (cursor->hot.x << 16) + cursor->hot.y; 778 writel(temp, engine + VIA_REG_CURSOR_ORG); 779 } 780 781 if (cursor->set & FB_CUR_SETPOS) { 782 yy = cursor->image.dy - info->var.yoffset; 783 xx = cursor->image.dx - info->var.xoffset; 784 temp = yy & 0xFFFF; 785 temp |= (xx << 16); 786 writel(temp, engine + VIA_REG_CURSOR_POS); 787 } 788 789 if (cursor->image.width <= 32 && cursor->image.height <= 32) 790 cur_size = 32; 791 else if (cursor->image.width <= 64 && cursor->image.height <= 64) 792 cur_size = 64; 793 else { 794 printk(KERN_WARNING "viafb_cursor: The cursor is too large " 795 "%dx%d", cursor->image.width, cursor->image.height); 796 return -ENXIO; 797 } 798 799 if (cursor->set & FB_CUR_SETSIZE) { 800 temp = readl(engine + VIA_REG_CURSOR_MODE); 801 if (cur_size == 32) 802 temp |= 0x2; 803 else 804 temp &= ~0x2; 805 806 writel(temp, engine + VIA_REG_CURSOR_MODE); 807 } 808 809 if (cursor->set & FB_CUR_SETCMAP) { 810 fg_color = cursor->image.fg_color; 811 bg_color = cursor->image.bg_color; 812 if (chip_name == UNICHROME_CX700 || 813 chip_name == UNICHROME_VX800 || 814 chip_name == UNICHROME_VX855 || 815 chip_name == UNICHROME_VX900) { 816 fg_color = 817 ((info->cmap.red[fg_color] & 0xFFC0) << 14) | 818 ((info->cmap.green[fg_color] & 0xFFC0) << 4) | 819 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6); 820 bg_color = 821 ((info->cmap.red[bg_color] & 0xFFC0) << 14) | 822 ((info->cmap.green[bg_color] & 0xFFC0) << 4) | 823 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6); 824 } else { 825 fg_color = 826 ((info->cmap.red[fg_color] & 0xFF00) << 8) | 827 (info->cmap.green[fg_color] & 0xFF00) | 828 ((info->cmap.blue[fg_color] & 0xFF00) >> 8); 829 bg_color = 830 ((info->cmap.red[bg_color] & 0xFF00) << 8) | 831 (info->cmap.green[bg_color] & 0xFF00) | 832 ((info->cmap.blue[bg_color] & 0xFF00) >> 8); 833 } 834 835 writel(bg_color, engine + VIA_REG_CURSOR_BG); 836 writel(fg_color, engine + VIA_REG_CURSOR_FG); 837 } 838 839 if (cursor->set & FB_CUR_SETSHAPE) { 840 struct { 841 u8 data[CURSOR_SIZE]; 842 u32 bak[CURSOR_SIZE / 4]; 843 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC); 844 int size = ((cursor->image.width + 7) >> 3) * 845 cursor->image.height; 846 847 if (!cr_data) 848 return -ENOMEM; 849 850 if (cur_size == 32) { 851 for (i = 0; i < (CURSOR_SIZE / 4); i++) { 852 cr_data->bak[i] = 0x0; 853 cr_data->bak[i + 1] = 0xFFFFFFFF; 854 i += 1; 855 } 856 } else { 857 for (i = 0; i < (CURSOR_SIZE / 4); i++) { 858 cr_data->bak[i] = 0x0; 859 cr_data->bak[i + 1] = 0x0; 860 cr_data->bak[i + 2] = 0xFFFFFFFF; 861 cr_data->bak[i + 3] = 0xFFFFFFFF; 862 i += 3; 863 } 864 } 865 866 switch (cursor->rop) { 867 case ROP_XOR: 868 for (i = 0; i < size; i++) 869 cr_data->data[i] = cursor->mask[i]; 870 break; 871 case ROP_COPY: 872 873 for (i = 0; i < size; i++) 874 cr_data->data[i] = cursor->mask[i]; 875 break; 876 default: 877 break; 878 } 879 880 if (cur_size == 32) { 881 for (i = 0; i < size; i++) { 882 cr_data->bak[j] = (u32) cr_data->data[i]; 883 cr_data->bak[j + 1] = ~cr_data->bak[j]; 884 j += 2; 885 } 886 } else { 887 for (i = 0; i < size; i++) { 888 cr_data->bak[j] = (u32) cr_data->data[i]; 889 cr_data->bak[j + 1] = 0x0; 890 cr_data->bak[j + 2] = ~cr_data->bak[j]; 891 cr_data->bak[j + 3] = ~cr_data->bak[j + 1]; 892 j += 4; 893 } 894 } 895 896 memcpy_toio(viafbinfo->screen_base + viapar->shared-> 897 cursor_vram_addr, cr_data->bak, CURSOR_SIZE); 898 kfree(cr_data); 899 } 900 901 if (cursor->enable) 902 viafb_show_hw_cursor(info, HW_Cursor_ON); 903 904 return 0; 905 } 906 907 static int viafb_sync(struct fb_info *info) 908 { 909 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) 910 viafb_wait_engine_idle(info); 911 return 0; 912 } 913 914 static int get_primary_device(void) 915 { 916 int primary_device = 0; 917 /* Rule: device on iga1 path are the primary device. */ 918 if (viafb_SAMM_ON) { 919 if (viafb_CRT_ON) { 920 if (viaparinfo->shared->iga1_devices & VIA_CRT) { 921 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1); 922 primary_device = CRT_Device; 923 } 924 } 925 if (viafb_DVI_ON) { 926 if (viaparinfo->tmds_setting_info->iga_path == IGA1) { 927 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n", 928 viaparinfo-> 929 tmds_setting_info->iga_path); 930 primary_device = DVI_Device; 931 } 932 } 933 if (viafb_LCD_ON) { 934 if (viaparinfo->lvds_setting_info->iga_path == IGA1) { 935 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n", 936 viaparinfo-> 937 lvds_setting_info->iga_path); 938 primary_device = LCD_Device; 939 } 940 } 941 if (viafb_LCD2_ON) { 942 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) { 943 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n", 944 viaparinfo-> 945 lvds_setting_info2->iga_path); 946 primary_device = LCD2_Device; 947 } 948 } 949 } 950 return primary_device; 951 } 952 953 static void retrieve_device_setting(struct viafb_ioctl_setting 954 *setting_info) 955 { 956 957 /* get device status */ 958 if (viafb_CRT_ON == 1) 959 setting_info->device_status = CRT_Device; 960 if (viafb_DVI_ON == 1) 961 setting_info->device_status |= DVI_Device; 962 if (viafb_LCD_ON == 1) 963 setting_info->device_status |= LCD_Device; 964 if (viafb_LCD2_ON == 1) 965 setting_info->device_status |= LCD2_Device; 966 967 setting_info->samm_status = viafb_SAMM_ON; 968 setting_info->primary_device = get_primary_device(); 969 970 setting_info->first_dev_bpp = viafb_bpp; 971 setting_info->second_dev_bpp = viafb_bpp1; 972 973 setting_info->first_dev_refresh = viafb_refresh; 974 setting_info->second_dev_refresh = viafb_refresh1; 975 976 setting_info->first_dev_hor_res = viafb_hotplug_Xres; 977 setting_info->first_dev_ver_res = viafb_hotplug_Yres; 978 setting_info->second_dev_hor_res = viafb_second_xres; 979 setting_info->second_dev_ver_res = viafb_second_yres; 980 981 /* Get lcd attributes */ 982 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method; 983 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id; 984 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode; 985 } 986 987 static int __init parse_active_dev(void) 988 { 989 viafb_CRT_ON = STATE_OFF; 990 viafb_DVI_ON = STATE_OFF; 991 viafb_LCD_ON = STATE_OFF; 992 viafb_LCD2_ON = STATE_OFF; 993 /* 1. Modify the active status of devices. */ 994 /* 2. Keep the order of devices, so we can set corresponding 995 IGA path to devices in SAMM case. */ 996 /* Note: The previous of active_dev is primary device, 997 and the following is secondary device. */ 998 if (!viafb_active_dev) { 999 if (machine_is_olpc()) { /* LCD only */ 1000 viafb_LCD_ON = STATE_ON; 1001 viafb_SAMM_ON = STATE_OFF; 1002 } else { 1003 viafb_CRT_ON = STATE_ON; 1004 viafb_SAMM_ON = STATE_OFF; 1005 } 1006 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) { 1007 /* CRT+DVI */ 1008 viafb_CRT_ON = STATE_ON; 1009 viafb_DVI_ON = STATE_ON; 1010 viafb_primary_dev = CRT_Device; 1011 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) { 1012 /* DVI+CRT */ 1013 viafb_CRT_ON = STATE_ON; 1014 viafb_DVI_ON = STATE_ON; 1015 viafb_primary_dev = DVI_Device; 1016 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) { 1017 /* CRT+LCD */ 1018 viafb_CRT_ON = STATE_ON; 1019 viafb_LCD_ON = STATE_ON; 1020 viafb_primary_dev = CRT_Device; 1021 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) { 1022 /* LCD+CRT */ 1023 viafb_CRT_ON = STATE_ON; 1024 viafb_LCD_ON = STATE_ON; 1025 viafb_primary_dev = LCD_Device; 1026 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) { 1027 /* DVI+LCD */ 1028 viafb_DVI_ON = STATE_ON; 1029 viafb_LCD_ON = STATE_ON; 1030 viafb_primary_dev = DVI_Device; 1031 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) { 1032 /* LCD+DVI */ 1033 viafb_DVI_ON = STATE_ON; 1034 viafb_LCD_ON = STATE_ON; 1035 viafb_primary_dev = LCD_Device; 1036 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) { 1037 viafb_LCD_ON = STATE_ON; 1038 viafb_LCD2_ON = STATE_ON; 1039 viafb_primary_dev = LCD_Device; 1040 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) { 1041 viafb_LCD_ON = STATE_ON; 1042 viafb_LCD2_ON = STATE_ON; 1043 viafb_primary_dev = LCD2_Device; 1044 } else if (!strcmp(viafb_active_dev, "CRT")) { 1045 /* CRT only */ 1046 viafb_CRT_ON = STATE_ON; 1047 viafb_SAMM_ON = STATE_OFF; 1048 } else if (!strcmp(viafb_active_dev, "DVI")) { 1049 /* DVI only */ 1050 viafb_DVI_ON = STATE_ON; 1051 viafb_SAMM_ON = STATE_OFF; 1052 } else if (!strcmp(viafb_active_dev, "LCD")) { 1053 /* LCD only */ 1054 viafb_LCD_ON = STATE_ON; 1055 viafb_SAMM_ON = STATE_OFF; 1056 } else 1057 return -EINVAL; 1058 1059 return 0; 1060 } 1061 1062 static int parse_port(char *opt_str, int *output_interface) 1063 { 1064 if (!strncmp(opt_str, "DVP0", 4)) 1065 *output_interface = INTERFACE_DVP0; 1066 else if (!strncmp(opt_str, "DVP1", 4)) 1067 *output_interface = INTERFACE_DVP1; 1068 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11)) 1069 *output_interface = INTERFACE_DFP; 1070 else if (!strncmp(opt_str, "DFP_HIGH", 8)) 1071 *output_interface = INTERFACE_DFP_HIGH; 1072 else if (!strncmp(opt_str, "DFP_LOW", 7)) 1073 *output_interface = INTERFACE_DFP_LOW; 1074 else 1075 *output_interface = INTERFACE_NONE; 1076 return 0; 1077 } 1078 1079 static void parse_lcd_port(void) 1080 { 1081 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info. 1082 output_interface); 1083 /*Initialize to avoid unexpected behavior */ 1084 viaparinfo->chip_info->lvds_chip_info2.output_interface = 1085 INTERFACE_NONE; 1086 1087 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n", 1088 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info. 1089 output_interface); 1090 } 1091 1092 static void parse_dvi_port(void) 1093 { 1094 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info. 1095 output_interface); 1096 1097 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n", 1098 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info. 1099 output_interface); 1100 } 1101 1102 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1103 1104 /* 1105 * The proc filesystem read/write function, a simple proc implement to 1106 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, 1107 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], 1108 * CR9B, SR65, CR97, CR99 1109 */ 1110 static int viafb_dvp0_proc_show(struct seq_file *m, void *v) 1111 { 1112 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0; 1113 dvp0_data_dri = 1114 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 | 1115 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1; 1116 dvp0_clk_dri = 1117 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 | 1118 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2; 1119 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f; 1120 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); 1121 return 0; 1122 } 1123 1124 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file) 1125 { 1126 return single_open(file, viafb_dvp0_proc_show, NULL); 1127 } 1128 1129 static ssize_t viafb_dvp0_proc_write(struct file *file, 1130 const char __user *buffer, size_t count, loff_t *pos) 1131 { 1132 char buf[20], *value, *pbuf; 1133 u8 reg_val = 0; 1134 unsigned long length, i; 1135 if (count < 1) 1136 return -EINVAL; 1137 length = count > 20 ? 20 : count; 1138 if (copy_from_user(&buf[0], buffer, length)) 1139 return -EFAULT; 1140 buf[length - 1] = '\0'; /*Ensure end string */ 1141 pbuf = &buf[0]; 1142 for (i = 0; i < 3; i++) { 1143 value = strsep(&pbuf, " "); 1144 if (value != NULL) { 1145 if (kstrtou8(value, 0, ®_val) < 0) 1146 return -EINVAL; 1147 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%lu]=:%x\n", i, 1148 reg_val); 1149 switch (i) { 1150 case 0: 1151 viafb_write_reg_mask(CR96, VIACR, 1152 reg_val, 0x0f); 1153 break; 1154 case 1: 1155 viafb_write_reg_mask(SR2A, VIASR, 1156 reg_val << 4, BIT5); 1157 viafb_write_reg_mask(SR1B, VIASR, 1158 reg_val << 1, BIT1); 1159 break; 1160 case 2: 1161 viafb_write_reg_mask(SR2A, VIASR, 1162 reg_val << 3, BIT4); 1163 viafb_write_reg_mask(SR1E, VIASR, 1164 reg_val << 2, BIT2); 1165 break; 1166 default: 1167 break; 1168 } 1169 } else { 1170 break; 1171 } 1172 } 1173 return count; 1174 } 1175 1176 static const struct proc_ops viafb_dvp0_proc_ops = { 1177 .proc_open = viafb_dvp0_proc_open, 1178 .proc_read = seq_read, 1179 .proc_lseek = seq_lseek, 1180 .proc_release = single_release, 1181 .proc_write = viafb_dvp0_proc_write, 1182 }; 1183 1184 static int viafb_dvp1_proc_show(struct seq_file *m, void *v) 1185 { 1186 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0; 1187 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f; 1188 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2; 1189 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03; 1190 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); 1191 return 0; 1192 } 1193 1194 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file) 1195 { 1196 return single_open(file, viafb_dvp1_proc_show, NULL); 1197 } 1198 1199 static ssize_t viafb_dvp1_proc_write(struct file *file, 1200 const char __user *buffer, size_t count, loff_t *pos) 1201 { 1202 char buf[20], *value, *pbuf; 1203 u8 reg_val = 0; 1204 unsigned long length, i; 1205 if (count < 1) 1206 return -EINVAL; 1207 length = count > 20 ? 20 : count; 1208 if (copy_from_user(&buf[0], buffer, length)) 1209 return -EFAULT; 1210 buf[length - 1] = '\0'; /*Ensure end string */ 1211 pbuf = &buf[0]; 1212 for (i = 0; i < 3; i++) { 1213 value = strsep(&pbuf, " "); 1214 if (value != NULL) { 1215 if (kstrtou8(value, 0, ®_val) < 0) 1216 return -EINVAL; 1217 switch (i) { 1218 case 0: 1219 viafb_write_reg_mask(CR9B, VIACR, 1220 reg_val, 0x0f); 1221 break; 1222 case 1: 1223 viafb_write_reg_mask(SR65, VIASR, 1224 reg_val << 2, 0x0c); 1225 break; 1226 case 2: 1227 viafb_write_reg_mask(SR65, VIASR, 1228 reg_val, 0x03); 1229 break; 1230 default: 1231 break; 1232 } 1233 } else { 1234 break; 1235 } 1236 } 1237 return count; 1238 } 1239 1240 static const struct proc_ops viafb_dvp1_proc_ops = { 1241 .proc_open = viafb_dvp1_proc_open, 1242 .proc_read = seq_read, 1243 .proc_lseek = seq_lseek, 1244 .proc_release = single_release, 1245 .proc_write = viafb_dvp1_proc_write, 1246 }; 1247 1248 static int viafb_dfph_proc_show(struct seq_file *m, void *v) 1249 { 1250 u8 dfp_high = 0; 1251 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f; 1252 seq_printf(m, "%x\n", dfp_high); 1253 return 0; 1254 } 1255 1256 static int viafb_dfph_proc_open(struct inode *inode, struct file *file) 1257 { 1258 return single_open(file, viafb_dfph_proc_show, NULL); 1259 } 1260 1261 static ssize_t viafb_dfph_proc_write(struct file *file, 1262 const char __user *buffer, size_t count, loff_t *pos) 1263 { 1264 int err; 1265 u8 reg_val; 1266 err = kstrtou8_from_user(buffer, count, 0, ®_val); 1267 if (err) 1268 return err; 1269 1270 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); 1271 return count; 1272 } 1273 1274 static const struct proc_ops viafb_dfph_proc_ops = { 1275 .proc_open = viafb_dfph_proc_open, 1276 .proc_read = seq_read, 1277 .proc_lseek = seq_lseek, 1278 .proc_release = single_release, 1279 .proc_write = viafb_dfph_proc_write, 1280 }; 1281 1282 static int viafb_dfpl_proc_show(struct seq_file *m, void *v) 1283 { 1284 u8 dfp_low = 0; 1285 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f; 1286 seq_printf(m, "%x\n", dfp_low); 1287 return 0; 1288 } 1289 1290 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file) 1291 { 1292 return single_open(file, viafb_dfpl_proc_show, NULL); 1293 } 1294 1295 static ssize_t viafb_dfpl_proc_write(struct file *file, 1296 const char __user *buffer, size_t count, loff_t *pos) 1297 { 1298 int err; 1299 u8 reg_val; 1300 err = kstrtou8_from_user(buffer, count, 0, ®_val); 1301 if (err) 1302 return err; 1303 1304 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); 1305 return count; 1306 } 1307 1308 static const struct proc_ops viafb_dfpl_proc_ops = { 1309 .proc_open = viafb_dfpl_proc_open, 1310 .proc_read = seq_read, 1311 .proc_lseek = seq_lseek, 1312 .proc_release = single_release, 1313 .proc_write = viafb_dfpl_proc_write, 1314 }; 1315 1316 static int viafb_vt1636_proc_show(struct seq_file *m, void *v) 1317 { 1318 u8 vt1636_08 = 0, vt1636_09 = 0; 1319 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { 1320 case VT1636_LVDS: 1321 vt1636_08 = 1322 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, 1323 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f; 1324 vt1636_09 = 1325 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, 1326 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f; 1327 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09); 1328 break; 1329 default: 1330 break; 1331 } 1332 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { 1333 case VT1636_LVDS: 1334 vt1636_08 = 1335 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, 1336 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f; 1337 vt1636_09 = 1338 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, 1339 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f; 1340 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09); 1341 break; 1342 default: 1343 break; 1344 } 1345 return 0; 1346 } 1347 1348 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file) 1349 { 1350 return single_open(file, viafb_vt1636_proc_show, NULL); 1351 } 1352 1353 static ssize_t viafb_vt1636_proc_write(struct file *file, 1354 const char __user *buffer, size_t count, loff_t *pos) 1355 { 1356 char buf[30], *value, *pbuf; 1357 struct IODATA reg_val; 1358 unsigned long length, i; 1359 if (count < 1) 1360 return -EINVAL; 1361 length = count > 30 ? 30 : count; 1362 if (copy_from_user(&buf[0], buffer, length)) 1363 return -EFAULT; 1364 buf[length - 1] = '\0'; /*Ensure end string */ 1365 pbuf = &buf[0]; 1366 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { 1367 case VT1636_LVDS: 1368 for (i = 0; i < 2; i++) { 1369 value = strsep(&pbuf, " "); 1370 if (value != NULL) { 1371 if (kstrtou8(value, 0, ®_val.Data) < 0) 1372 return -EINVAL; 1373 switch (i) { 1374 case 0: 1375 reg_val.Index = 0x08; 1376 reg_val.Mask = 0x0f; 1377 viafb_gpio_i2c_write_mask_lvds 1378 (viaparinfo->lvds_setting_info, 1379 &viaparinfo-> 1380 chip_info->lvds_chip_info, 1381 reg_val); 1382 break; 1383 case 1: 1384 reg_val.Index = 0x09; 1385 reg_val.Mask = 0x1f; 1386 viafb_gpio_i2c_write_mask_lvds 1387 (viaparinfo->lvds_setting_info, 1388 &viaparinfo-> 1389 chip_info->lvds_chip_info, 1390 reg_val); 1391 break; 1392 default: 1393 break; 1394 } 1395 } else { 1396 break; 1397 } 1398 } 1399 break; 1400 default: 1401 break; 1402 } 1403 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { 1404 case VT1636_LVDS: 1405 for (i = 0; i < 2; i++) { 1406 value = strsep(&pbuf, " "); 1407 if (value != NULL) { 1408 if (kstrtou8(value, 0, ®_val.Data) < 0) 1409 return -EINVAL; 1410 switch (i) { 1411 case 0: 1412 reg_val.Index = 0x08; 1413 reg_val.Mask = 0x0f; 1414 viafb_gpio_i2c_write_mask_lvds 1415 (viaparinfo->lvds_setting_info2, 1416 &viaparinfo-> 1417 chip_info->lvds_chip_info2, 1418 reg_val); 1419 break; 1420 case 1: 1421 reg_val.Index = 0x09; 1422 reg_val.Mask = 0x1f; 1423 viafb_gpio_i2c_write_mask_lvds 1424 (viaparinfo->lvds_setting_info2, 1425 &viaparinfo-> 1426 chip_info->lvds_chip_info2, 1427 reg_val); 1428 break; 1429 default: 1430 break; 1431 } 1432 } else { 1433 break; 1434 } 1435 } 1436 break; 1437 default: 1438 break; 1439 } 1440 return count; 1441 } 1442 1443 static const struct proc_ops viafb_vt1636_proc_ops = { 1444 .proc_open = viafb_vt1636_proc_open, 1445 .proc_read = seq_read, 1446 .proc_lseek = seq_lseek, 1447 .proc_release = single_release, 1448 .proc_write = viafb_vt1636_proc_write, 1449 }; 1450 1451 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1452 1453 static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v) 1454 { 1455 via_odev_to_seq(m, supported_odev_map[ 1456 viaparinfo->shared->chip_info.gfx_chip_name]); 1457 return 0; 1458 } 1459 1460 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev) 1461 { 1462 char buf[64], *ptr = buf; 1463 u32 devices; 1464 bool add, sub; 1465 1466 if (count < 1 || count > 63) 1467 return -EINVAL; 1468 if (copy_from_user(&buf[0], buffer, count)) 1469 return -EFAULT; 1470 buf[count] = '\0'; 1471 add = buf[0] == '+'; 1472 sub = buf[0] == '-'; 1473 if (add || sub) 1474 ptr++; 1475 devices = via_parse_odev(ptr, &ptr); 1476 if (*ptr == '\n') 1477 ptr++; 1478 if (*ptr != 0) 1479 return -EINVAL; 1480 if (add) 1481 *odev |= devices; 1482 else if (sub) 1483 *odev &= ~devices; 1484 else 1485 *odev = devices; 1486 return count; 1487 } 1488 1489 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v) 1490 { 1491 via_odev_to_seq(m, viaparinfo->shared->iga1_devices); 1492 return 0; 1493 } 1494 1495 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file) 1496 { 1497 return single_open(file, viafb_iga1_odev_proc_show, NULL); 1498 } 1499 1500 static ssize_t viafb_iga1_odev_proc_write(struct file *file, 1501 const char __user *buffer, size_t count, loff_t *pos) 1502 { 1503 u32 dev_on, dev_off, dev_old, dev_new; 1504 ssize_t res; 1505 1506 dev_old = dev_new = viaparinfo->shared->iga1_devices; 1507 res = odev_update(buffer, count, &dev_new); 1508 if (res != count) 1509 return res; 1510 dev_off = dev_old & ~dev_new; 1511 dev_on = dev_new & ~dev_old; 1512 viaparinfo->shared->iga1_devices = dev_new; 1513 viaparinfo->shared->iga2_devices &= ~dev_new; 1514 via_set_state(dev_off, VIA_STATE_OFF); 1515 via_set_source(dev_new, IGA1); 1516 via_set_state(dev_on, VIA_STATE_ON); 1517 return res; 1518 } 1519 1520 static const struct proc_ops viafb_iga1_odev_proc_ops = { 1521 .proc_open = viafb_iga1_odev_proc_open, 1522 .proc_read = seq_read, 1523 .proc_lseek = seq_lseek, 1524 .proc_release = single_release, 1525 .proc_write = viafb_iga1_odev_proc_write, 1526 }; 1527 1528 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v) 1529 { 1530 via_odev_to_seq(m, viaparinfo->shared->iga2_devices); 1531 return 0; 1532 } 1533 1534 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file) 1535 { 1536 return single_open(file, viafb_iga2_odev_proc_show, NULL); 1537 } 1538 1539 static ssize_t viafb_iga2_odev_proc_write(struct file *file, 1540 const char __user *buffer, size_t count, loff_t *pos) 1541 { 1542 u32 dev_on, dev_off, dev_old, dev_new; 1543 ssize_t res; 1544 1545 dev_old = dev_new = viaparinfo->shared->iga2_devices; 1546 res = odev_update(buffer, count, &dev_new); 1547 if (res != count) 1548 return res; 1549 dev_off = dev_old & ~dev_new; 1550 dev_on = dev_new & ~dev_old; 1551 viaparinfo->shared->iga2_devices = dev_new; 1552 viaparinfo->shared->iga1_devices &= ~dev_new; 1553 via_set_state(dev_off, VIA_STATE_OFF); 1554 via_set_source(dev_new, IGA2); 1555 via_set_state(dev_on, VIA_STATE_ON); 1556 return res; 1557 } 1558 1559 static const struct proc_ops viafb_iga2_odev_proc_ops = { 1560 .proc_open = viafb_iga2_odev_proc_open, 1561 .proc_read = seq_read, 1562 .proc_lseek = seq_lseek, 1563 .proc_release = single_release, 1564 .proc_write = viafb_iga2_odev_proc_write, 1565 }; 1566 1567 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS) 1568 static void viafb_init_proc(struct viafb_shared *shared) 1569 { 1570 struct proc_dir_entry *iga1_entry, *iga2_entry, 1571 *viafb_entry = proc_mkdir("viafb", NULL); 1572 1573 shared->proc_entry = viafb_entry; 1574 if (viafb_entry) { 1575 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1576 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_ops); 1577 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_ops); 1578 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_ops); 1579 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_ops); 1580 if (IS_VT1636(shared->chip_info.lvds_chip_info) 1581 || IS_VT1636(shared->chip_info.lvds_chip_info2)) 1582 proc_create("vt1636", 0, viafb_entry, 1583 &viafb_vt1636_proc_ops); 1584 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1585 1586 proc_create_single("supported_output_devices", 0, viafb_entry, 1587 viafb_sup_odev_proc_show); 1588 iga1_entry = proc_mkdir("iga1", viafb_entry); 1589 shared->iga1_proc_entry = iga1_entry; 1590 proc_create("output_devices", 0, iga1_entry, 1591 &viafb_iga1_odev_proc_ops); 1592 iga2_entry = proc_mkdir("iga2", viafb_entry); 1593 shared->iga2_proc_entry = iga2_entry; 1594 proc_create("output_devices", 0, iga2_entry, 1595 &viafb_iga2_odev_proc_ops); 1596 } 1597 } 1598 static void viafb_remove_proc(struct viafb_shared *shared) 1599 { 1600 struct proc_dir_entry *viafb_entry = shared->proc_entry; 1601 1602 if (!viafb_entry) 1603 return; 1604 1605 remove_proc_entry("output_devices", shared->iga2_proc_entry); 1606 remove_proc_entry("iga2", viafb_entry); 1607 remove_proc_entry("output_devices", shared->iga1_proc_entry); 1608 remove_proc_entry("iga1", viafb_entry); 1609 remove_proc_entry("supported_output_devices", viafb_entry); 1610 1611 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1612 remove_proc_entry("dvp0", viafb_entry);/* parent dir */ 1613 remove_proc_entry("dvp1", viafb_entry); 1614 remove_proc_entry("dfph", viafb_entry); 1615 remove_proc_entry("dfpl", viafb_entry); 1616 if (IS_VT1636(shared->chip_info.lvds_chip_info) 1617 || IS_VT1636(shared->chip_info.lvds_chip_info2)) 1618 remove_proc_entry("vt1636", viafb_entry); 1619 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1620 1621 remove_proc_entry("viafb", NULL); 1622 } 1623 #undef IS_VT1636 1624 1625 static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres) 1626 { 1627 const struct fb_videomode *mode = NULL; 1628 char *ptr; 1629 1630 if (!str) { 1631 if (devices == VIA_CRT) 1632 mode = via_aux_get_preferred_mode( 1633 viaparinfo->shared->i2c_26); 1634 else if (devices == VIA_DVP1) 1635 mode = via_aux_get_preferred_mode( 1636 viaparinfo->shared->i2c_31); 1637 1638 if (mode) { 1639 *xres = mode->xres; 1640 *yres = mode->yres; 1641 } else if (machine_is_olpc()) { 1642 *xres = 1200; 1643 *yres = 900; 1644 } else { 1645 *xres = 640; 1646 *yres = 480; 1647 } 1648 return 0; 1649 } 1650 1651 *xres = simple_strtoul(str, &ptr, 10); 1652 if (ptr[0] != 'x') 1653 return -EINVAL; 1654 1655 *yres = simple_strtoul(&ptr[1], &ptr, 10); 1656 if (ptr[0]) 1657 return -EINVAL; 1658 1659 return 0; 1660 } 1661 1662 1663 #ifdef CONFIG_PM 1664 static int viafb_suspend(void *unused) 1665 { 1666 console_lock(); 1667 fb_set_suspend(viafbinfo, 1); 1668 viafb_sync(viafbinfo); 1669 console_unlock(); 1670 1671 return 0; 1672 } 1673 1674 static int viafb_resume(void *unused) 1675 { 1676 console_lock(); 1677 if (viaparinfo->shared->vdev->engine_mmio) 1678 viafb_reset_engine(viaparinfo); 1679 viafb_set_par(viafbinfo); 1680 if (viafb_dual_fb) 1681 viafb_set_par(viafbinfo1); 1682 fb_set_suspend(viafbinfo, 0); 1683 1684 console_unlock(); 1685 return 0; 1686 } 1687 1688 static struct viafb_pm_hooks viafb_fb_pm_hooks = { 1689 .suspend = viafb_suspend, 1690 .resume = viafb_resume 1691 }; 1692 1693 #endif 1694 1695 static void i2c_bus_probe(struct viafb_shared *shared) 1696 { 1697 /* should be always CRT */ 1698 printk(KERN_INFO "viafb: Probing I2C bus 0x26\n"); 1699 shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26)); 1700 1701 /* seems to be usually DVP1 */ 1702 printk(KERN_INFO "viafb: Probing I2C bus 0x31\n"); 1703 shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31)); 1704 1705 /* FIXME: what is this? */ 1706 if (!machine_is_olpc()) { 1707 printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n"); 1708 shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C)); 1709 } 1710 1711 printk(KERN_INFO "viafb: Finished I2C bus probing"); 1712 } 1713 1714 static void i2c_bus_free(struct viafb_shared *shared) 1715 { 1716 via_aux_free(shared->i2c_26); 1717 via_aux_free(shared->i2c_31); 1718 via_aux_free(shared->i2c_2C); 1719 } 1720 1721 int via_fb_pci_probe(struct viafb_dev *vdev) 1722 { 1723 u32 default_xres, default_yres; 1724 struct fb_var_screeninfo default_var; 1725 int rc; 1726 u32 viafb_par_length; 1727 1728 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n"); 1729 memset(&default_var, 0, sizeof(default_var)); 1730 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8); 1731 1732 /* Allocate fb_info and ***_par here, also including some other needed 1733 * variables 1734 */ 1735 viafbinfo = framebuffer_alloc(viafb_par_length + 1736 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8), 1737 &vdev->pdev->dev); 1738 if (!viafbinfo) 1739 return -ENOMEM; 1740 1741 viaparinfo = (struct viafb_par *)viafbinfo->par; 1742 viaparinfo->shared = viafbinfo->par + viafb_par_length; 1743 viaparinfo->shared->vdev = vdev; 1744 viaparinfo->vram_addr = 0; 1745 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info; 1746 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info; 1747 viaparinfo->lvds_setting_info2 = 1748 &viaparinfo->shared->lvds_setting_info2; 1749 viaparinfo->chip_info = &viaparinfo->shared->chip_info; 1750 1751 i2c_bus_probe(viaparinfo->shared); 1752 if (viafb_dual_fb) 1753 viafb_SAMM_ON = 1; 1754 parse_lcd_port(); 1755 parse_dvi_port(); 1756 1757 viafb_init_chip_info(vdev->chip_type); 1758 /* 1759 * The framebuffer will have been successfully mapped by 1760 * the core (or we'd not be here), but we still need to 1761 * set up our own accounting. 1762 */ 1763 viaparinfo->fbmem = vdev->fbmem_start; 1764 viaparinfo->memsize = vdev->fbmem_len; 1765 viaparinfo->fbmem_free = viaparinfo->memsize; 1766 viaparinfo->fbmem_used = 0; 1767 viafbinfo->screen_base = vdev->fbmem; 1768 1769 viafbinfo->fix.mmio_start = vdev->engine_start; 1770 viafbinfo->fix.mmio_len = vdev->engine_len; 1771 viafbinfo->node = 0; 1772 viafbinfo->fbops = &viafb_ops; 1773 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; 1774 1775 viafbinfo->pseudo_palette = pseudo_pal; 1776 if (viafb_accel && !viafb_setup_engine(viafbinfo)) { 1777 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA | 1778 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT; 1779 default_var.accel_flags = FB_ACCELF_TEXT; 1780 } else { 1781 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED; 1782 default_var.accel_flags = 0; 1783 } 1784 1785 if (viafb_second_size && (viafb_second_size < 8)) { 1786 viafb_second_offset = viaparinfo->fbmem_free - 1787 viafb_second_size * 1024 * 1024; 1788 } else { 1789 viafb_second_size = 8; 1790 viafb_second_offset = viaparinfo->fbmem_free - 1791 viafb_second_size * 1024 * 1024; 1792 } 1793 1794 parse_mode(viafb_mode, viaparinfo->shared->iga1_devices, 1795 &default_xres, &default_yres); 1796 if (viafb_SAMM_ON == 1) 1797 parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices, 1798 &viafb_second_xres, &viafb_second_yres); 1799 1800 default_var.xres = default_xres; 1801 default_var.yres = default_yres; 1802 default_var.xres_virtual = default_xres; 1803 default_var.yres_virtual = default_yres; 1804 default_var.bits_per_pixel = viafb_bpp; 1805 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( 1806 default_var.xres, default_var.yres, viafb_refresh)); 1807 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo); 1808 viafbinfo->var = default_var; 1809 1810 if (viafb_dual_fb) { 1811 viafbinfo1 = framebuffer_alloc(viafb_par_length, 1812 &vdev->pdev->dev); 1813 if (!viafbinfo1) { 1814 rc = -ENOMEM; 1815 goto out_fb_release; 1816 } 1817 viaparinfo1 = viafbinfo1->par; 1818 memcpy(viaparinfo1, viaparinfo, viafb_par_length); 1819 viaparinfo1->vram_addr = viafb_second_offset; 1820 viaparinfo1->memsize = viaparinfo->memsize - 1821 viafb_second_offset; 1822 viaparinfo->memsize = viafb_second_offset; 1823 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset; 1824 1825 viaparinfo1->fbmem_used = viaparinfo->fbmem_used; 1826 viaparinfo1->fbmem_free = viaparinfo1->memsize - 1827 viaparinfo1->fbmem_used; 1828 viaparinfo->fbmem_free = viaparinfo->memsize; 1829 viaparinfo->fbmem_used = 0; 1830 1831 viaparinfo->iga_path = IGA1; 1832 viaparinfo1->iga_path = IGA2; 1833 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info)); 1834 viafbinfo1->par = viaparinfo1; 1835 viafbinfo1->screen_base = viafbinfo->screen_base + 1836 viafb_second_offset; 1837 1838 default_var.xres = viafb_second_xres; 1839 default_var.yres = viafb_second_yres; 1840 default_var.xres_virtual = viafb_second_xres; 1841 default_var.yres_virtual = viafb_second_yres; 1842 default_var.bits_per_pixel = viafb_bpp1; 1843 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( 1844 default_var.xres, default_var.yres, viafb_refresh1)); 1845 1846 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1); 1847 viafb_check_var(&default_var, viafbinfo1); 1848 viafbinfo1->var = default_var; 1849 viafb_update_fix(viafbinfo1); 1850 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var, 1851 &viafbinfo1->fix); 1852 } 1853 1854 viafb_check_var(&viafbinfo->var, viafbinfo); 1855 viafb_update_fix(viafbinfo); 1856 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var, 1857 &viafbinfo->fix); 1858 default_var.activate = FB_ACTIVATE_NOW; 1859 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0); 1860 if (rc) 1861 goto out_fb1_release; 1862 1863 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) 1864 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) { 1865 rc = register_framebuffer(viafbinfo1); 1866 if (rc) 1867 goto out_dealloc_cmap; 1868 } 1869 rc = register_framebuffer(viafbinfo); 1870 if (rc) 1871 goto out_fb1_unreg_lcd_cle266; 1872 1873 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device) 1874 || (viaparinfo->chip_info->gfx_chip_name != 1875 UNICHROME_CLE266))) { 1876 rc = register_framebuffer(viafbinfo1); 1877 if (rc) 1878 goto out_fb_unreg; 1879 } 1880 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n", 1881 viafbinfo->node, viafbinfo->fix.id, default_var.xres, 1882 default_var.yres, default_var.bits_per_pixel); 1883 1884 viafb_init_proc(viaparinfo->shared); 1885 viafb_init_dac(IGA2); 1886 1887 #ifdef CONFIG_PM 1888 viafb_pm_register(&viafb_fb_pm_hooks); 1889 #endif 1890 return 0; 1891 1892 out_fb_unreg: 1893 unregister_framebuffer(viafbinfo); 1894 out_fb1_unreg_lcd_cle266: 1895 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) 1896 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) 1897 unregister_framebuffer(viafbinfo1); 1898 out_dealloc_cmap: 1899 fb_dealloc_cmap(&viafbinfo->cmap); 1900 out_fb1_release: 1901 framebuffer_release(viafbinfo1); 1902 out_fb_release: 1903 i2c_bus_free(viaparinfo->shared); 1904 framebuffer_release(viafbinfo); 1905 return rc; 1906 } 1907 1908 void via_fb_pci_remove(struct pci_dev *pdev) 1909 { 1910 DEBUG_MSG(KERN_INFO "via_pci_remove!\n"); 1911 fb_dealloc_cmap(&viafbinfo->cmap); 1912 unregister_framebuffer(viafbinfo); 1913 if (viafb_dual_fb) 1914 unregister_framebuffer(viafbinfo1); 1915 viafb_remove_proc(viaparinfo->shared); 1916 i2c_bus_free(viaparinfo->shared); 1917 framebuffer_release(viafbinfo); 1918 if (viafb_dual_fb) 1919 framebuffer_release(viafbinfo1); 1920 } 1921 1922 #ifndef MODULE 1923 static int __init viafb_setup(void) 1924 { 1925 char *this_opt; 1926 char *options; 1927 1928 DEBUG_MSG(KERN_INFO "viafb_setup!\n"); 1929 1930 if (fb_get_options("viafb", &options)) 1931 return -ENODEV; 1932 1933 if (!options || !*options) 1934 return 0; 1935 1936 while ((this_opt = strsep(&options, ",")) != NULL) { 1937 if (!*this_opt) 1938 continue; 1939 1940 if (!strncmp(this_opt, "viafb_mode1=", 12)) { 1941 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL); 1942 if (!viafb_mode1) 1943 return -ENOMEM; 1944 } else if (!strncmp(this_opt, "viafb_mode=", 11)) { 1945 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL); 1946 if (!viafb_mode) 1947 return -ENOMEM; 1948 } else if (!strncmp(this_opt, "viafb_bpp1=", 11)) { 1949 if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0) 1950 return -EINVAL; 1951 } else if (!strncmp(this_opt, "viafb_bpp=", 10)) { 1952 if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0) 1953 return -EINVAL; 1954 } else if (!strncmp(this_opt, "viafb_refresh1=", 15)) { 1955 if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0) 1956 return -EINVAL; 1957 } else if (!strncmp(this_opt, "viafb_refresh=", 14)) { 1958 if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0) 1959 return -EINVAL; 1960 } else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) { 1961 if (kstrtoint(this_opt + 21, 0, 1962 &viafb_lcd_dsp_method) < 0) 1963 return -EINVAL; 1964 } else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) { 1965 if (kstrtoint(this_opt + 19, 0, 1966 &viafb_lcd_panel_id) < 0) 1967 return -EINVAL; 1968 } else if (!strncmp(this_opt, "viafb_accel=", 12)) { 1969 if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0) 1970 return -EINVAL; 1971 } else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) { 1972 if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0) 1973 return -EINVAL; 1974 } else if (!strncmp(this_opt, "viafb_active_dev=", 17)) { 1975 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL); 1976 if (!viafb_active_dev) 1977 return -ENOMEM; 1978 } else if (!strncmp(this_opt, 1979 "viafb_display_hardware_layout=", 30)) { 1980 if (kstrtoint(this_opt + 30, 0, 1981 &viafb_display_hardware_layout) < 0) 1982 return -EINVAL; 1983 } else if (!strncmp(this_opt, "viafb_second_size=", 18)) { 1984 if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0) 1985 return -EINVAL; 1986 } else if (!strncmp(this_opt, 1987 "viafb_platform_epia_dvi=", 24)) { 1988 if (kstrtoint(this_opt + 24, 0, 1989 &viafb_platform_epia_dvi) < 0) 1990 return -EINVAL; 1991 } else if (!strncmp(this_opt, 1992 "viafb_device_lcd_dualedge=", 26)) { 1993 if (kstrtoint(this_opt + 26, 0, 1994 &viafb_device_lcd_dualedge) < 0) 1995 return -EINVAL; 1996 } else if (!strncmp(this_opt, "viafb_bus_width=", 16)) { 1997 if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0) 1998 return -EINVAL; 1999 } else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) { 2000 if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0) 2001 return -EINVAL; 2002 } else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) { 2003 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL); 2004 if (!viafb_lcd_port) 2005 return -ENOMEM; 2006 } else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) { 2007 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL); 2008 if (!viafb_dvi_port) 2009 return -ENOMEM; 2010 } 2011 } 2012 return 0; 2013 } 2014 #endif 2015 2016 /* 2017 * These are called out of via-core for now. 2018 */ 2019 int __init viafb_init(void) 2020 { 2021 u32 dummy_x, dummy_y; 2022 int r = 0; 2023 2024 if (machine_is_olpc()) 2025 /* Apply XO-1.5-specific configuration. */ 2026 viafb_lcd_panel_id = 23; 2027 2028 #ifndef MODULE 2029 r = viafb_setup(); 2030 if (r < 0) 2031 return r; 2032 #endif 2033 if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y) 2034 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh) 2035 || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y) 2036 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1) 2037 || viafb_bpp < 0 || viafb_bpp > 32 2038 || viafb_bpp1 < 0 || viafb_bpp1 > 32 2039 || parse_active_dev()) 2040 return -EINVAL; 2041 2042 printk(KERN_INFO 2043 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n", 2044 VERSION_MAJOR, VERSION_MINOR); 2045 return r; 2046 } 2047 2048 void __exit viafb_exit(void) 2049 { 2050 DEBUG_MSG(KERN_INFO "viafb_exit!\n"); 2051 } 2052 2053 static struct fb_ops viafb_ops = { 2054 .owner = THIS_MODULE, 2055 .fb_open = viafb_open, 2056 .fb_release = viafb_release, 2057 .fb_check_var = viafb_check_var, 2058 .fb_set_par = viafb_set_par, 2059 .fb_setcolreg = viafb_setcolreg, 2060 .fb_pan_display = viafb_pan_display, 2061 .fb_blank = viafb_blank, 2062 .fb_fillrect = viafb_fillrect, 2063 .fb_copyarea = viafb_copyarea, 2064 .fb_imageblit = viafb_imageblit, 2065 .fb_cursor = viafb_cursor, 2066 .fb_ioctl = viafb_ioctl, 2067 .fb_sync = viafb_sync, 2068 }; 2069 2070 2071 #ifdef MODULE 2072 module_param(viafb_mode, charp, S_IRUSR); 2073 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)"); 2074 2075 module_param(viafb_mode1, charp, S_IRUSR); 2076 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)"); 2077 2078 module_param(viafb_bpp, int, S_IRUSR); 2079 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)"); 2080 2081 module_param(viafb_bpp1, int, S_IRUSR); 2082 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)"); 2083 2084 module_param(viafb_refresh, int, S_IRUSR); 2085 MODULE_PARM_DESC(viafb_refresh, 2086 "Set CRT viafb_refresh rate (default = 60)"); 2087 2088 module_param(viafb_refresh1, int, S_IRUSR); 2089 MODULE_PARM_DESC(viafb_refresh1, 2090 "Set CRT refresh rate (default = 60)"); 2091 2092 module_param(viafb_lcd_panel_id, int, S_IRUSR); 2093 MODULE_PARM_DESC(viafb_lcd_panel_id, 2094 "Set Flat Panel type(Default=1024x768)"); 2095 2096 module_param(viafb_lcd_dsp_method, int, S_IRUSR); 2097 MODULE_PARM_DESC(viafb_lcd_dsp_method, 2098 "Set Flat Panel display scaling method.(Default=Expansion)"); 2099 2100 module_param(viafb_SAMM_ON, int, S_IRUSR); 2101 MODULE_PARM_DESC(viafb_SAMM_ON, 2102 "Turn on/off flag of SAMM(Default=OFF)"); 2103 2104 module_param(viafb_accel, int, S_IRUSR); 2105 MODULE_PARM_DESC(viafb_accel, 2106 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)"); 2107 2108 module_param(viafb_active_dev, charp, S_IRUSR); 2109 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices."); 2110 2111 module_param(viafb_display_hardware_layout, int, S_IRUSR); 2112 MODULE_PARM_DESC(viafb_display_hardware_layout, 2113 "Display Hardware Layout (LCD Only, DVI Only...,etc)"); 2114 2115 module_param(viafb_second_size, int, S_IRUSR); 2116 MODULE_PARM_DESC(viafb_second_size, 2117 "Set secondary device memory size"); 2118 2119 module_param(viafb_dual_fb, int, S_IRUSR); 2120 MODULE_PARM_DESC(viafb_dual_fb, 2121 "Turn on/off flag of dual framebuffer devices.(Default = OFF)"); 2122 2123 module_param(viafb_platform_epia_dvi, int, S_IRUSR); 2124 MODULE_PARM_DESC(viafb_platform_epia_dvi, 2125 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)"); 2126 2127 module_param(viafb_device_lcd_dualedge, int, S_IRUSR); 2128 MODULE_PARM_DESC(viafb_device_lcd_dualedge, 2129 "Turn on/off flag of dual edge panel.(Default = OFF)"); 2130 2131 module_param(viafb_bus_width, int, S_IRUSR); 2132 MODULE_PARM_DESC(viafb_bus_width, 2133 "Set bus width of panel.(Default = 12)"); 2134 2135 module_param(viafb_lcd_mode, int, S_IRUSR); 2136 MODULE_PARM_DESC(viafb_lcd_mode, 2137 "Set Flat Panel mode(Default=OPENLDI)"); 2138 2139 module_param(viafb_lcd_port, charp, S_IRUSR); 2140 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port."); 2141 2142 module_param(viafb_dvi_port, charp, S_IRUSR); 2143 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port."); 2144 2145 MODULE_LICENSE("GPL"); 2146 #endif 2147