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 u32 pseudo_pal[17]; 20 21 /* video mode */ 22 static char *viafb_mode; 23 static char *viafb_mode1; 24 static int viafb_bpp = 32; 25 static int viafb_bpp1 = 32; 26 27 static unsigned int viafb_second_offset; 28 static int viafb_second_size; 29 30 static int viafb_accel = 1; 31 32 /* Added for specifying active devices.*/ 33 static char *viafb_active_dev; 34 35 /*Added for specify lcd output port*/ 36 static char *viafb_lcd_port = ""; 37 static char *viafb_dvi_port = ""; 38 39 static void retrieve_device_setting(struct viafb_ioctl_setting 40 *setting_info); 41 static int viafb_pan_display(struct fb_var_screeninfo *var, 42 struct fb_info *info); 43 44 static struct fb_ops viafb_ops; 45 46 /* supported output devices on each IGP 47 * only CX700, VX800, VX855, VX900 were documented 48 * VIA_CRT should be everywhere 49 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL 50 * source selection on CX700 and later 51 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c 52 */ 53 static const u32 supported_odev_map[] = { 54 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1, 55 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 56 | VIA_LVDS2, 57 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 58 | VIA_LVDS2, 59 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 60 | VIA_LVDS2, 61 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 62 | VIA_LVDS2, 63 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 64 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 65 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 66 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 67 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 68 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 69 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 70 [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, 71 }; 72 73 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth) 74 { 75 var->grayscale = 0; 76 var->red.msb_right = 0; 77 var->green.msb_right = 0; 78 var->blue.msb_right = 0; 79 var->transp.offset = 0; 80 var->transp.length = 0; 81 var->transp.msb_right = 0; 82 var->nonstd = 0; 83 switch (depth) { 84 case 8: 85 var->bits_per_pixel = 8; 86 var->red.offset = 0; 87 var->green.offset = 0; 88 var->blue.offset = 0; 89 var->red.length = 8; 90 var->green.length = 8; 91 var->blue.length = 8; 92 break; 93 case 15: 94 var->bits_per_pixel = 16; 95 var->red.offset = 10; 96 var->green.offset = 5; 97 var->blue.offset = 0; 98 var->red.length = 5; 99 var->green.length = 5; 100 var->blue.length = 5; 101 break; 102 case 16: 103 var->bits_per_pixel = 16; 104 var->red.offset = 11; 105 var->green.offset = 5; 106 var->blue.offset = 0; 107 var->red.length = 5; 108 var->green.length = 6; 109 var->blue.length = 5; 110 break; 111 case 24: 112 var->bits_per_pixel = 32; 113 var->red.offset = 16; 114 var->green.offset = 8; 115 var->blue.offset = 0; 116 var->red.length = 8; 117 var->green.length = 8; 118 var->blue.length = 8; 119 break; 120 case 30: 121 var->bits_per_pixel = 32; 122 var->red.offset = 20; 123 var->green.offset = 10; 124 var->blue.offset = 0; 125 var->red.length = 10; 126 var->green.length = 10; 127 var->blue.length = 10; 128 break; 129 } 130 } 131 132 static void viafb_update_fix(struct fb_info *info) 133 { 134 u32 bpp = info->var.bits_per_pixel; 135 136 info->fix.visual = 137 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; 138 info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8, 139 VIA_PITCH_SIZE); 140 } 141 142 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix, 143 struct viafb_par *viaparinfo) 144 { 145 memset(fix, 0, sizeof(struct fb_fix_screeninfo)); 146 strcpy(fix->id, "Via"); 147 148 fix->smem_start = viaparinfo->fbmem; 149 fix->smem_len = viaparinfo->fbmem_free; 150 151 fix->type = FB_TYPE_PACKED_PIXELS; 152 fix->type_aux = 0; 153 fix->visual = FB_VISUAL_TRUECOLOR; 154 155 fix->xpanstep = fix->ywrapstep = 0; 156 fix->ypanstep = 1; 157 158 /* Just tell the accel name */ 159 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME; 160 } 161 static int viafb_open(struct fb_info *info, int user) 162 { 163 DEBUG_MSG(KERN_INFO "viafb_open!\n"); 164 return 0; 165 } 166 167 static int viafb_release(struct fb_info *info, int user) 168 { 169 DEBUG_MSG(KERN_INFO "viafb_release!\n"); 170 return 0; 171 } 172 173 static inline int get_var_refresh(struct fb_var_screeninfo *var) 174 { 175 u32 htotal, vtotal; 176 177 htotal = var->left_margin + var->xres + var->right_margin 178 + var->hsync_len; 179 vtotal = var->upper_margin + var->yres + var->lower_margin 180 + var->vsync_len; 181 return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal); 182 } 183 184 static int viafb_check_var(struct fb_var_screeninfo *var, 185 struct fb_info *info) 186 { 187 int depth, refresh; 188 struct viafb_par *ppar = info->par; 189 u32 line; 190 191 DEBUG_MSG(KERN_INFO "viafb_check_var!\n"); 192 /* Sanity check */ 193 /* HW neither support interlacte nor double-scaned mode */ 194 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE) 195 return -EINVAL; 196 197 /* the refresh rate is not important here, as we only want to know 198 * whether the resolution exists 199 */ 200 if (!viafb_get_best_mode(var->xres, var->yres, 60)) { 201 DEBUG_MSG(KERN_INFO 202 "viafb: Mode %dx%dx%d not supported!!\n", 203 var->xres, var->yres, var->bits_per_pixel); 204 return -EINVAL; 205 } 206 207 depth = fb_get_color_depth(var, &info->fix); 208 if (!depth) 209 depth = var->bits_per_pixel; 210 211 if (depth < 0 || depth > 32) 212 return -EINVAL; 213 else if (!depth) 214 depth = 24; 215 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1) 216 depth = 15; 217 else if (depth == 30) 218 depth = 30; 219 else if (depth <= 8) 220 depth = 8; 221 else if (depth <= 16) 222 depth = 16; 223 else 224 depth = 24; 225 226 viafb_fill_var_color_info(var, depth); 227 if (var->xres_virtual < var->xres) 228 var->xres_virtual = var->xres; 229 230 line = ALIGN(var->xres_virtual * var->bits_per_pixel / 8, 231 VIA_PITCH_SIZE); 232 if (line > VIA_PITCH_MAX || line * var->yres_virtual > ppar->memsize) 233 return -EINVAL; 234 235 /* Based on var passed in to calculate the refresh, 236 * because our driver use some modes special. 237 */ 238 refresh = viafb_get_refresh(var->xres, var->yres, 239 get_var_refresh(var)); 240 241 /* Adjust var according to our driver's own table */ 242 viafb_fill_var_timing_info(var, 243 viafb_get_best_mode(var->xres, var->yres, refresh)); 244 if (var->accel_flags & FB_ACCELF_TEXT && 245 !ppar->shared->vdev->engine_mmio) 246 var->accel_flags = 0; 247 248 return 0; 249 } 250 251 static int viafb_set_par(struct fb_info *info) 252 { 253 struct viafb_par *viapar = info->par; 254 int refresh; 255 DEBUG_MSG(KERN_INFO "viafb_set_par!\n"); 256 257 viafb_update_fix(info); 258 viapar->depth = fb_get_color_depth(&info->var, &info->fix); 259 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres, 260 viafbinfo->var.bits_per_pixel, 0); 261 262 if (viafb_dual_fb) { 263 viafb_update_device_setting(viafbinfo1->var.xres, 264 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel, 265 1); 266 } else if (viafb_SAMM_ON == 1) { 267 DEBUG_MSG(KERN_INFO 268 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n", 269 viafb_second_xres, viafb_second_yres, viafb_bpp1); 270 271 viafb_update_device_setting(viafb_second_xres, 272 viafb_second_yres, viafb_bpp1, 1); 273 } 274 275 refresh = get_var_refresh(&info->var); 276 if (viafb_dual_fb && viapar->iga_path == IGA2) { 277 viafb_bpp1 = info->var.bits_per_pixel; 278 viafb_refresh1 = refresh; 279 } else { 280 viafb_bpp = info->var.bits_per_pixel; 281 viafb_refresh = refresh; 282 } 283 284 if (info->var.accel_flags & FB_ACCELF_TEXT) 285 info->flags &= ~FBINFO_HWACCEL_DISABLED; 286 else 287 info->flags |= FBINFO_HWACCEL_DISABLED; 288 viafb_setmode(); 289 viafb_pan_display(&info->var, info); 290 291 return 0; 292 } 293 294 /* Set one color register */ 295 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green, 296 unsigned blue, unsigned transp, struct fb_info *info) 297 { 298 struct viafb_par *viapar = info->par; 299 u32 r, g, b; 300 301 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) { 302 if (regno > 255) 303 return -EINVAL; 304 305 if (!viafb_dual_fb || viapar->iga_path == IGA1) 306 viafb_set_primary_color_register(regno, red >> 8, 307 green >> 8, blue >> 8); 308 309 if (!viafb_dual_fb || viapar->iga_path == IGA2) 310 viafb_set_secondary_color_register(regno, red >> 8, 311 green >> 8, blue >> 8); 312 } else { 313 if (regno > 15) 314 return -EINVAL; 315 316 r = (red >> (16 - info->var.red.length)) 317 << info->var.red.offset; 318 b = (blue >> (16 - info->var.blue.length)) 319 << info->var.blue.offset; 320 g = (green >> (16 - info->var.green.length)) 321 << info->var.green.offset; 322 ((u32 *) info->pseudo_palette)[regno] = r | g | b; 323 } 324 325 return 0; 326 } 327 328 static int viafb_pan_display(struct fb_var_screeninfo *var, 329 struct fb_info *info) 330 { 331 struct viafb_par *viapar = info->par; 332 u32 vram_addr = viapar->vram_addr 333 + var->yoffset * info->fix.line_length 334 + var->xoffset * info->var.bits_per_pixel / 8; 335 336 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr); 337 if (!viafb_dual_fb) { 338 via_set_primary_address(vram_addr); 339 via_set_secondary_address(vram_addr); 340 } else if (viapar->iga_path == IGA1) 341 via_set_primary_address(vram_addr); 342 else 343 via_set_secondary_address(vram_addr); 344 345 return 0; 346 } 347 348 static int viafb_blank(int blank_mode, struct fb_info *info) 349 { 350 DEBUG_MSG(KERN_INFO "viafb_blank!\n"); 351 /* clear DPMS setting */ 352 353 switch (blank_mode) { 354 case FB_BLANK_UNBLANK: 355 /* Screen: On, HSync: On, VSync: On */ 356 /* control CRT monitor power management */ 357 via_set_state(VIA_CRT, VIA_STATE_ON); 358 break; 359 case FB_BLANK_HSYNC_SUSPEND: 360 /* Screen: Off, HSync: Off, VSync: On */ 361 /* control CRT monitor power management */ 362 via_set_state(VIA_CRT, VIA_STATE_STANDBY); 363 break; 364 case FB_BLANK_VSYNC_SUSPEND: 365 /* Screen: Off, HSync: On, VSync: Off */ 366 /* control CRT monitor power management */ 367 via_set_state(VIA_CRT, VIA_STATE_SUSPEND); 368 break; 369 case FB_BLANK_POWERDOWN: 370 /* Screen: Off, HSync: Off, VSync: Off */ 371 /* control CRT monitor power management */ 372 via_set_state(VIA_CRT, VIA_STATE_OFF); 373 break; 374 } 375 376 return 0; 377 } 378 379 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) 380 { 381 union { 382 struct viafb_ioctl_mode viamode; 383 struct viafb_ioctl_samm viasamm; 384 struct viafb_driver_version driver_version; 385 struct fb_var_screeninfo sec_var; 386 struct _panel_size_pos_info panel_pos_size_para; 387 struct viafb_ioctl_setting viafb_setting; 388 struct device_t active_dev; 389 } u; 390 u32 state_info = 0; 391 u32 *viafb_gamma_table; 392 char driver_name[] = "viafb"; 393 394 u32 __user *argp = (u32 __user *) arg; 395 u32 gpu32; 396 397 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd); 398 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n"); 399 memset(&u, 0, sizeof(u)); 400 401 switch (cmd) { 402 case VIAFB_GET_CHIP_INFO: 403 if (copy_to_user(argp, viaparinfo->chip_info, 404 sizeof(struct chip_information))) 405 return -EFAULT; 406 break; 407 case VIAFB_GET_INFO_SIZE: 408 return put_user((u32)sizeof(struct viafb_ioctl_info), argp); 409 case VIAFB_GET_INFO: 410 return viafb_ioctl_get_viafb_info(arg); 411 case VIAFB_HOTPLUG: 412 return put_user(viafb_ioctl_hotplug(info->var.xres, 413 info->var.yres, 414 info->var.bits_per_pixel), argp); 415 case VIAFB_SET_HOTPLUG_FLAG: 416 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 417 return -EFAULT; 418 viafb_hotplug = (gpu32) ? 1 : 0; 419 break; 420 case VIAFB_GET_RESOLUTION: 421 u.viamode.xres = (u32) viafb_hotplug_Xres; 422 u.viamode.yres = (u32) viafb_hotplug_Yres; 423 u.viamode.refresh = (u32) viafb_hotplug_refresh; 424 u.viamode.bpp = (u32) viafb_hotplug_bpp; 425 if (viafb_SAMM_ON == 1) { 426 u.viamode.xres_sec = viafb_second_xres; 427 u.viamode.yres_sec = viafb_second_yres; 428 u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual; 429 u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual; 430 u.viamode.refresh_sec = viafb_refresh1; 431 u.viamode.bpp_sec = viafb_bpp1; 432 } else { 433 u.viamode.xres_sec = 0; 434 u.viamode.yres_sec = 0; 435 u.viamode.virtual_xres_sec = 0; 436 u.viamode.virtual_yres_sec = 0; 437 u.viamode.refresh_sec = 0; 438 u.viamode.bpp_sec = 0; 439 } 440 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode))) 441 return -EFAULT; 442 break; 443 case VIAFB_GET_SAMM_INFO: 444 u.viasamm.samm_status = viafb_SAMM_ON; 445 446 if (viafb_SAMM_ON == 1) { 447 if (viafb_dual_fb) { 448 u.viasamm.size_prim = viaparinfo->fbmem_free; 449 u.viasamm.size_sec = viaparinfo1->fbmem_free; 450 } else { 451 if (viafb_second_size) { 452 u.viasamm.size_prim = 453 viaparinfo->fbmem_free - 454 viafb_second_size * 1024 * 1024; 455 u.viasamm.size_sec = 456 viafb_second_size * 1024 * 1024; 457 } else { 458 u.viasamm.size_prim = 459 viaparinfo->fbmem_free >> 1; 460 u.viasamm.size_sec = 461 (viaparinfo->fbmem_free >> 1); 462 } 463 } 464 u.viasamm.mem_base = viaparinfo->fbmem; 465 u.viasamm.offset_sec = viafb_second_offset; 466 } else { 467 u.viasamm.size_prim = 468 viaparinfo->memsize - viaparinfo->fbmem_used; 469 u.viasamm.size_sec = 0; 470 u.viasamm.mem_base = viaparinfo->fbmem; 471 u.viasamm.offset_sec = 0; 472 } 473 474 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm))) 475 return -EFAULT; 476 477 break; 478 case VIAFB_TURN_ON_OUTPUT_DEVICE: 479 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 480 return -EFAULT; 481 if (gpu32 & CRT_Device) 482 via_set_state(VIA_CRT, VIA_STATE_ON); 483 if (gpu32 & DVI_Device) 484 viafb_dvi_enable(); 485 if (gpu32 & LCD_Device) 486 viafb_lcd_enable(); 487 break; 488 case VIAFB_TURN_OFF_OUTPUT_DEVICE: 489 if (copy_from_user(&gpu32, argp, sizeof(gpu32))) 490 return -EFAULT; 491 if (gpu32 & CRT_Device) 492 via_set_state(VIA_CRT, VIA_STATE_OFF); 493 if (gpu32 & DVI_Device) 494 viafb_dvi_disable(); 495 if (gpu32 & LCD_Device) 496 viafb_lcd_disable(); 497 break; 498 case VIAFB_GET_DEVICE: 499 u.active_dev.crt = viafb_CRT_ON; 500 u.active_dev.dvi = viafb_DVI_ON; 501 u.active_dev.lcd = viafb_LCD_ON; 502 u.active_dev.samm = viafb_SAMM_ON; 503 u.active_dev.primary_dev = viafb_primary_dev; 504 505 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; 506 u.active_dev.lcd_panel_id = viafb_lcd_panel_id; 507 u.active_dev.lcd_mode = viafb_lcd_mode; 508 509 u.active_dev.xres = viafb_hotplug_Xres; 510 u.active_dev.yres = viafb_hotplug_Yres; 511 512 u.active_dev.xres1 = viafb_second_xres; 513 u.active_dev.yres1 = viafb_second_yres; 514 515 u.active_dev.bpp = viafb_bpp; 516 u.active_dev.bpp1 = viafb_bpp1; 517 u.active_dev.refresh = viafb_refresh; 518 u.active_dev.refresh1 = viafb_refresh1; 519 520 u.active_dev.epia_dvi = viafb_platform_epia_dvi; 521 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; 522 u.active_dev.bus_width = viafb_bus_width; 523 524 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev))) 525 return -EFAULT; 526 break; 527 528 case VIAFB_GET_DRIVER_VERSION: 529 u.driver_version.iMajorNum = VERSION_MAJOR; 530 u.driver_version.iKernelNum = VERSION_KERNEL; 531 u.driver_version.iOSNum = VERSION_OS; 532 u.driver_version.iMinorNum = VERSION_MINOR; 533 534 if (copy_to_user(argp, &u.driver_version, 535 sizeof(u.driver_version))) 536 return -EFAULT; 537 538 break; 539 540 case VIAFB_GET_DEVICE_INFO: 541 542 retrieve_device_setting(&u.viafb_setting); 543 544 if (copy_to_user(argp, &u.viafb_setting, 545 sizeof(u.viafb_setting))) 546 return -EFAULT; 547 548 break; 549 550 case VIAFB_GET_DEVICE_SUPPORT: 551 viafb_get_device_support_state(&state_info); 552 if (put_user(state_info, argp)) 553 return -EFAULT; 554 break; 555 556 case VIAFB_GET_DEVICE_CONNECT: 557 viafb_get_device_connect_state(&state_info); 558 if (put_user(state_info, argp)) 559 return -EFAULT; 560 break; 561 562 case VIAFB_GET_PANEL_SUPPORT_EXPAND: 563 state_info = 564 viafb_lcd_get_support_expand_state(info->var.xres, 565 info->var.yres); 566 if (put_user(state_info, argp)) 567 return -EFAULT; 568 break; 569 570 case VIAFB_GET_DRIVER_NAME: 571 if (copy_to_user(argp, driver_name, sizeof(driver_name))) 572 return -EFAULT; 573 break; 574 575 case VIAFB_SET_GAMMA_LUT: 576 viafb_gamma_table = memdup_array_user(argp, 256, sizeof(u32)); 577 if (IS_ERR(viafb_gamma_table)) 578 return PTR_ERR(viafb_gamma_table); 579 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table); 580 kfree(viafb_gamma_table); 581 break; 582 583 case VIAFB_GET_GAMMA_LUT: 584 viafb_gamma_table = kmalloc_array(256, sizeof(u32), 585 GFP_KERNEL); 586 if (!viafb_gamma_table) 587 return -ENOMEM; 588 viafb_get_gamma_table(viafb_gamma_table); 589 if (copy_to_user(argp, viafb_gamma_table, 590 256 * sizeof(u32))) { 591 kfree(viafb_gamma_table); 592 return -EFAULT; 593 } 594 kfree(viafb_gamma_table); 595 break; 596 597 case VIAFB_GET_GAMMA_SUPPORT_STATE: 598 viafb_get_gamma_support_state(viafb_bpp, &state_info); 599 if (put_user(state_info, argp)) 600 return -EFAULT; 601 break; 602 case VIAFB_SYNC_SURFACE: 603 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n"); 604 break; 605 case VIAFB_GET_DRIVER_CAPS: 606 break; 607 608 case VIAFB_GET_PANEL_MAX_SIZE: 609 if (copy_from_user(&u.panel_pos_size_para, argp, 610 sizeof(u.panel_pos_size_para))) 611 return -EFAULT; 612 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 613 if (copy_to_user(argp, &u.panel_pos_size_para, 614 sizeof(u.panel_pos_size_para))) 615 return -EFAULT; 616 break; 617 case VIAFB_GET_PANEL_MAX_POSITION: 618 if (copy_from_user(&u.panel_pos_size_para, argp, 619 sizeof(u.panel_pos_size_para))) 620 return -EFAULT; 621 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 622 if (copy_to_user(argp, &u.panel_pos_size_para, 623 sizeof(u.panel_pos_size_para))) 624 return -EFAULT; 625 break; 626 627 case VIAFB_GET_PANEL_POSITION: 628 if (copy_from_user(&u.panel_pos_size_para, argp, 629 sizeof(u.panel_pos_size_para))) 630 return -EFAULT; 631 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 632 if (copy_to_user(argp, &u.panel_pos_size_para, 633 sizeof(u.panel_pos_size_para))) 634 return -EFAULT; 635 break; 636 case VIAFB_GET_PANEL_SIZE: 637 if (copy_from_user(&u.panel_pos_size_para, argp, 638 sizeof(u.panel_pos_size_para))) 639 return -EFAULT; 640 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; 641 if (copy_to_user(argp, &u.panel_pos_size_para, 642 sizeof(u.panel_pos_size_para))) 643 return -EFAULT; 644 break; 645 646 case VIAFB_SET_PANEL_POSITION: 647 if (copy_from_user(&u.panel_pos_size_para, argp, 648 sizeof(u.panel_pos_size_para))) 649 return -EFAULT; 650 break; 651 case VIAFB_SET_PANEL_SIZE: 652 if (copy_from_user(&u.panel_pos_size_para, argp, 653 sizeof(u.panel_pos_size_para))) 654 return -EFAULT; 655 break; 656 657 default: 658 return -EINVAL; 659 } 660 661 return 0; 662 } 663 664 static void viafb_fillrect(struct fb_info *info, 665 const struct fb_fillrect *rect) 666 { 667 struct viafb_par *viapar = info->par; 668 struct viafb_shared *shared = viapar->shared; 669 u32 fg_color; 670 u8 rop; 671 672 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { 673 cfb_fillrect(info, rect); 674 return; 675 } 676 677 if (!rect->width || !rect->height) 678 return; 679 680 if (info->fix.visual == FB_VISUAL_TRUECOLOR) 681 fg_color = ((u32 *)info->pseudo_palette)[rect->color]; 682 else 683 fg_color = rect->color; 684 685 if (rect->rop == ROP_XOR) 686 rop = 0x5A; 687 else 688 rop = 0xF0; 689 690 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n"); 691 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL, 692 rect->width, rect->height, info->var.bits_per_pixel, 693 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy, 694 NULL, 0, 0, 0, 0, fg_color, 0, rop)) 695 cfb_fillrect(info, rect); 696 } 697 698 static void viafb_copyarea(struct fb_info *info, 699 const struct fb_copyarea *area) 700 { 701 struct viafb_par *viapar = info->par; 702 struct viafb_shared *shared = viapar->shared; 703 704 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { 705 cfb_copyarea(info, area); 706 return; 707 } 708 709 if (!area->width || !area->height) 710 return; 711 712 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n"); 713 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR, 714 area->width, area->height, info->var.bits_per_pixel, 715 viapar->vram_addr, info->fix.line_length, area->dx, area->dy, 716 NULL, viapar->vram_addr, info->fix.line_length, 717 area->sx, area->sy, 0, 0, 0)) 718 cfb_copyarea(info, area); 719 } 720 721 static void viafb_imageblit(struct fb_info *info, 722 const struct fb_image *image) 723 { 724 struct viafb_par *viapar = info->par; 725 struct viafb_shared *shared = viapar->shared; 726 u32 fg_color = 0, bg_color = 0; 727 u8 op; 728 729 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt || 730 (image->depth != 1 && image->depth != viapar->depth)) { 731 cfb_imageblit(info, image); 732 return; 733 } 734 735 if (image->depth == 1) { 736 op = VIA_BITBLT_MONO; 737 if (info->fix.visual == FB_VISUAL_TRUECOLOR) { 738 fg_color = 739 ((u32 *)info->pseudo_palette)[image->fg_color]; 740 bg_color = 741 ((u32 *)info->pseudo_palette)[image->bg_color]; 742 } else { 743 fg_color = image->fg_color; 744 bg_color = image->bg_color; 745 } 746 } else 747 op = VIA_BITBLT_COLOR; 748 749 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n"); 750 if (shared->hw_bitblt(shared->vdev->engine_mmio, op, 751 image->width, image->height, info->var.bits_per_pixel, 752 viapar->vram_addr, info->fix.line_length, image->dx, image->dy, 753 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0)) 754 cfb_imageblit(info, image); 755 } 756 757 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) 758 { 759 struct viafb_par *viapar = info->par; 760 void __iomem *engine = viapar->shared->vdev->engine_mmio; 761 u32 temp, xx, yy, bg_color = 0, fg_color = 0, 762 chip_name = viapar->shared->chip_info.gfx_chip_name; 763 int i, j = 0, cur_size = 64; 764 765 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo) 766 return -ENODEV; 767 768 /* LCD ouput does not support hw cursors (at least on VN896) */ 769 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) || 770 viafb_LCD_ON) 771 return -ENODEV; 772 773 viafb_show_hw_cursor(info, HW_Cursor_OFF); 774 775 if (cursor->set & FB_CUR_SETHOT) { 776 temp = (cursor->hot.x << 16) + cursor->hot.y; 777 writel(temp, engine + VIA_REG_CURSOR_ORG); 778 } 779 780 if (cursor->set & FB_CUR_SETPOS) { 781 yy = cursor->image.dy - info->var.yoffset; 782 xx = cursor->image.dx - info->var.xoffset; 783 temp = yy & 0xFFFF; 784 temp |= (xx << 16); 785 writel(temp, engine + VIA_REG_CURSOR_POS); 786 } 787 788 if (cursor->image.width <= 32 && cursor->image.height <= 32) 789 cur_size = 32; 790 else if (cursor->image.width <= 64 && cursor->image.height <= 64) 791 cur_size = 64; 792 else { 793 printk(KERN_WARNING "viafb_cursor: The cursor is too large " 794 "%dx%d", cursor->image.width, cursor->image.height); 795 return -ENXIO; 796 } 797 798 if (cursor->set & FB_CUR_SETSIZE) { 799 temp = readl(engine + VIA_REG_CURSOR_MODE); 800 if (cur_size == 32) 801 temp |= 0x2; 802 else 803 temp &= ~0x2; 804 805 writel(temp, engine + VIA_REG_CURSOR_MODE); 806 } 807 808 if (cursor->set & FB_CUR_SETCMAP) { 809 fg_color = cursor->image.fg_color; 810 bg_color = cursor->image.bg_color; 811 if (chip_name == UNICHROME_CX700 || 812 chip_name == UNICHROME_VX800 || 813 chip_name == UNICHROME_VX855 || 814 chip_name == UNICHROME_VX900) { 815 fg_color = 816 ((info->cmap.red[fg_color] & 0xFFC0) << 14) | 817 ((info->cmap.green[fg_color] & 0xFFC0) << 4) | 818 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6); 819 bg_color = 820 ((info->cmap.red[bg_color] & 0xFFC0) << 14) | 821 ((info->cmap.green[bg_color] & 0xFFC0) << 4) | 822 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6); 823 } else { 824 fg_color = 825 ((info->cmap.red[fg_color] & 0xFF00) << 8) | 826 (info->cmap.green[fg_color] & 0xFF00) | 827 ((info->cmap.blue[fg_color] & 0xFF00) >> 8); 828 bg_color = 829 ((info->cmap.red[bg_color] & 0xFF00) << 8) | 830 (info->cmap.green[bg_color] & 0xFF00) | 831 ((info->cmap.blue[bg_color] & 0xFF00) >> 8); 832 } 833 834 writel(bg_color, engine + VIA_REG_CURSOR_BG); 835 writel(fg_color, engine + VIA_REG_CURSOR_FG); 836 } 837 838 if (cursor->set & FB_CUR_SETSHAPE) { 839 struct { 840 u8 data[CURSOR_SIZE]; 841 u32 bak[CURSOR_SIZE / 4]; 842 } *cr_data = kzalloc_obj(*cr_data, GFP_ATOMIC); 843 int size = ((cursor->image.width + 7) >> 3) * 844 cursor->image.height; 845 846 if (!cr_data) 847 return -ENOMEM; 848 849 if (cur_size == 32) { 850 for (i = 0; i < (CURSOR_SIZE / 4); i++) { 851 cr_data->bak[i] = 0x0; 852 cr_data->bak[i + 1] = 0xFFFFFFFF; 853 i += 1; 854 } 855 } else { 856 for (i = 0; i < (CURSOR_SIZE / 4); i++) { 857 cr_data->bak[i] = 0x0; 858 cr_data->bak[i + 1] = 0x0; 859 cr_data->bak[i + 2] = 0xFFFFFFFF; 860 cr_data->bak[i + 3] = 0xFFFFFFFF; 861 i += 3; 862 } 863 } 864 865 switch (cursor->rop) { 866 case ROP_XOR: 867 for (i = 0; i < size; i++) 868 cr_data->data[i] = cursor->mask[i]; 869 break; 870 case ROP_COPY: 871 872 for (i = 0; i < size; i++) 873 cr_data->data[i] = cursor->mask[i]; 874 break; 875 default: 876 break; 877 } 878 879 if (cur_size == 32) { 880 for (i = 0; i < size; i++) { 881 cr_data->bak[j] = (u32) cr_data->data[i]; 882 cr_data->bak[j + 1] = ~cr_data->bak[j]; 883 j += 2; 884 } 885 } else { 886 for (i = 0; i < size; i++) { 887 cr_data->bak[j] = (u32) cr_data->data[i]; 888 cr_data->bak[j + 1] = 0x0; 889 cr_data->bak[j + 2] = ~cr_data->bak[j]; 890 cr_data->bak[j + 3] = ~cr_data->bak[j + 1]; 891 j += 4; 892 } 893 } 894 895 memcpy_toio(viafbinfo->screen_base + viapar->shared-> 896 cursor_vram_addr, cr_data->bak, CURSOR_SIZE); 897 kfree(cr_data); 898 } 899 900 if (cursor->enable) 901 viafb_show_hw_cursor(info, HW_Cursor_ON); 902 903 return 0; 904 } 905 906 static int viafb_sync(struct fb_info *info) 907 { 908 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) 909 viafb_wait_engine_idle(info); 910 return 0; 911 } 912 913 static int get_primary_device(void) 914 { 915 int primary_device = 0; 916 /* Rule: device on iga1 path are the primary device. */ 917 if (viafb_SAMM_ON) { 918 if (viafb_CRT_ON) { 919 if (viaparinfo->shared->iga1_devices & VIA_CRT) { 920 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1); 921 primary_device = CRT_Device; 922 } 923 } 924 if (viafb_DVI_ON) { 925 if (viaparinfo->tmds_setting_info->iga_path == IGA1) { 926 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n", 927 viaparinfo-> 928 tmds_setting_info->iga_path); 929 primary_device = DVI_Device; 930 } 931 } 932 if (viafb_LCD_ON) { 933 if (viaparinfo->lvds_setting_info->iga_path == IGA1) { 934 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n", 935 viaparinfo-> 936 lvds_setting_info->iga_path); 937 primary_device = LCD_Device; 938 } 939 } 940 if (viafb_LCD2_ON) { 941 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) { 942 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n", 943 viaparinfo-> 944 lvds_setting_info2->iga_path); 945 primary_device = LCD2_Device; 946 } 947 } 948 } 949 return primary_device; 950 } 951 952 static void retrieve_device_setting(struct viafb_ioctl_setting 953 *setting_info) 954 { 955 956 /* get device status */ 957 if (viafb_CRT_ON == 1) 958 setting_info->device_status = CRT_Device; 959 if (viafb_DVI_ON == 1) 960 setting_info->device_status |= DVI_Device; 961 if (viafb_LCD_ON == 1) 962 setting_info->device_status |= LCD_Device; 963 if (viafb_LCD2_ON == 1) 964 setting_info->device_status |= LCD2_Device; 965 966 setting_info->samm_status = viafb_SAMM_ON; 967 setting_info->primary_device = get_primary_device(); 968 969 setting_info->first_dev_bpp = viafb_bpp; 970 setting_info->second_dev_bpp = viafb_bpp1; 971 972 setting_info->first_dev_refresh = viafb_refresh; 973 setting_info->second_dev_refresh = viafb_refresh1; 974 975 setting_info->first_dev_hor_res = viafb_hotplug_Xres; 976 setting_info->first_dev_ver_res = viafb_hotplug_Yres; 977 setting_info->second_dev_hor_res = viafb_second_xres; 978 setting_info->second_dev_ver_res = viafb_second_yres; 979 980 /* Get lcd attributes */ 981 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method; 982 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id; 983 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode; 984 } 985 986 static int __init parse_active_dev(void) 987 { 988 viafb_CRT_ON = STATE_OFF; 989 viafb_DVI_ON = STATE_OFF; 990 viafb_LCD_ON = STATE_OFF; 991 viafb_LCD2_ON = STATE_OFF; 992 /* 1. Modify the active status of devices. */ 993 /* 2. Keep the order of devices, so we can set corresponding 994 IGA path to devices in SAMM case. */ 995 /* Note: The previous of active_dev is primary device, 996 and the following is secondary device. */ 997 if (!viafb_active_dev) { 998 if (machine_is_olpc()) { /* LCD only */ 999 viafb_LCD_ON = STATE_ON; 1000 viafb_SAMM_ON = STATE_OFF; 1001 } else { 1002 viafb_CRT_ON = STATE_ON; 1003 viafb_SAMM_ON = STATE_OFF; 1004 } 1005 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) { 1006 /* CRT+DVI */ 1007 viafb_CRT_ON = STATE_ON; 1008 viafb_DVI_ON = STATE_ON; 1009 viafb_primary_dev = CRT_Device; 1010 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) { 1011 /* DVI+CRT */ 1012 viafb_CRT_ON = STATE_ON; 1013 viafb_DVI_ON = STATE_ON; 1014 viafb_primary_dev = DVI_Device; 1015 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) { 1016 /* CRT+LCD */ 1017 viafb_CRT_ON = STATE_ON; 1018 viafb_LCD_ON = STATE_ON; 1019 viafb_primary_dev = CRT_Device; 1020 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) { 1021 /* LCD+CRT */ 1022 viafb_CRT_ON = STATE_ON; 1023 viafb_LCD_ON = STATE_ON; 1024 viafb_primary_dev = LCD_Device; 1025 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) { 1026 /* DVI+LCD */ 1027 viafb_DVI_ON = STATE_ON; 1028 viafb_LCD_ON = STATE_ON; 1029 viafb_primary_dev = DVI_Device; 1030 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) { 1031 /* LCD+DVI */ 1032 viafb_DVI_ON = STATE_ON; 1033 viafb_LCD_ON = STATE_ON; 1034 viafb_primary_dev = LCD_Device; 1035 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) { 1036 viafb_LCD_ON = STATE_ON; 1037 viafb_LCD2_ON = STATE_ON; 1038 viafb_primary_dev = LCD_Device; 1039 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) { 1040 viafb_LCD_ON = STATE_ON; 1041 viafb_LCD2_ON = STATE_ON; 1042 viafb_primary_dev = LCD2_Device; 1043 } else if (!strcmp(viafb_active_dev, "CRT")) { 1044 /* CRT only */ 1045 viafb_CRT_ON = STATE_ON; 1046 viafb_SAMM_ON = STATE_OFF; 1047 } else if (!strcmp(viafb_active_dev, "DVI")) { 1048 /* DVI only */ 1049 viafb_DVI_ON = STATE_ON; 1050 viafb_SAMM_ON = STATE_OFF; 1051 } else if (!strcmp(viafb_active_dev, "LCD")) { 1052 /* LCD only */ 1053 viafb_LCD_ON = STATE_ON; 1054 viafb_SAMM_ON = STATE_OFF; 1055 } else 1056 return -EINVAL; 1057 1058 return 0; 1059 } 1060 1061 static int parse_port(char *opt_str, int *output_interface) 1062 { 1063 if (!strncmp(opt_str, "DVP0", 4)) 1064 *output_interface = INTERFACE_DVP0; 1065 else if (!strncmp(opt_str, "DVP1", 4)) 1066 *output_interface = INTERFACE_DVP1; 1067 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11)) 1068 *output_interface = INTERFACE_DFP; 1069 else if (!strncmp(opt_str, "DFP_HIGH", 8)) 1070 *output_interface = INTERFACE_DFP_HIGH; 1071 else if (!strncmp(opt_str, "DFP_LOW", 7)) 1072 *output_interface = INTERFACE_DFP_LOW; 1073 else 1074 *output_interface = INTERFACE_NONE; 1075 return 0; 1076 } 1077 1078 static void parse_lcd_port(void) 1079 { 1080 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info. 1081 output_interface); 1082 /*Initialize to avoid unexpected behavior */ 1083 viaparinfo->chip_info->lvds_chip_info2.output_interface = 1084 INTERFACE_NONE; 1085 1086 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n", 1087 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info. 1088 output_interface); 1089 } 1090 1091 static void parse_dvi_port(void) 1092 { 1093 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info. 1094 output_interface); 1095 1096 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n", 1097 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info. 1098 output_interface); 1099 } 1100 1101 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1102 1103 /* 1104 * The proc filesystem read/write function, a simple proc implement to 1105 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, 1106 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], 1107 * CR9B, SR65, CR97, CR99 1108 */ 1109 static int viafb_dvp0_proc_show(struct seq_file *m, void *v) 1110 { 1111 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0; 1112 dvp0_data_dri = 1113 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 | 1114 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1; 1115 dvp0_clk_dri = 1116 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 | 1117 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2; 1118 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f; 1119 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); 1120 return 0; 1121 } 1122 1123 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file) 1124 { 1125 return single_open(file, viafb_dvp0_proc_show, NULL); 1126 } 1127 1128 static ssize_t viafb_dvp0_proc_write(struct file *file, 1129 const char __user *buffer, size_t count, loff_t *pos) 1130 { 1131 char buf[20], *value, *pbuf; 1132 u8 reg_val = 0; 1133 unsigned long length, i; 1134 if (count < 1) 1135 return -EINVAL; 1136 length = count > 20 ? 20 : count; 1137 if (copy_from_user(&buf[0], buffer, length)) 1138 return -EFAULT; 1139 buf[length - 1] = '\0'; /*Ensure end string */ 1140 pbuf = &buf[0]; 1141 for (i = 0; i < 3; i++) { 1142 value = strsep(&pbuf, " "); 1143 if (value != NULL) { 1144 if (kstrtou8(value, 0, ®_val) < 0) 1145 return -EINVAL; 1146 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%lu]=:%x\n", i, 1147 reg_val); 1148 switch (i) { 1149 case 0: 1150 viafb_write_reg_mask(CR96, VIACR, 1151 reg_val, 0x0f); 1152 break; 1153 case 1: 1154 viafb_write_reg_mask(SR2A, VIASR, 1155 reg_val << 4, BIT5); 1156 viafb_write_reg_mask(SR1B, VIASR, 1157 reg_val << 1, BIT1); 1158 break; 1159 case 2: 1160 viafb_write_reg_mask(SR2A, VIASR, 1161 reg_val << 3, BIT4); 1162 viafb_write_reg_mask(SR1E, VIASR, 1163 reg_val << 2, BIT2); 1164 break; 1165 default: 1166 break; 1167 } 1168 } else { 1169 break; 1170 } 1171 } 1172 return count; 1173 } 1174 1175 static const struct proc_ops viafb_dvp0_proc_ops = { 1176 .proc_open = viafb_dvp0_proc_open, 1177 .proc_read = seq_read, 1178 .proc_lseek = seq_lseek, 1179 .proc_release = single_release, 1180 .proc_write = viafb_dvp0_proc_write, 1181 }; 1182 1183 static int viafb_dvp1_proc_show(struct seq_file *m, void *v) 1184 { 1185 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0; 1186 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f; 1187 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2; 1188 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03; 1189 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); 1190 return 0; 1191 } 1192 1193 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file) 1194 { 1195 return single_open(file, viafb_dvp1_proc_show, NULL); 1196 } 1197 1198 static ssize_t viafb_dvp1_proc_write(struct file *file, 1199 const char __user *buffer, size_t count, loff_t *pos) 1200 { 1201 char buf[20], *value, *pbuf; 1202 u8 reg_val = 0; 1203 unsigned long length, i; 1204 if (count < 1) 1205 return -EINVAL; 1206 length = count > 20 ? 20 : count; 1207 if (copy_from_user(&buf[0], buffer, length)) 1208 return -EFAULT; 1209 buf[length - 1] = '\0'; /*Ensure end string */ 1210 pbuf = &buf[0]; 1211 for (i = 0; i < 3; i++) { 1212 value = strsep(&pbuf, " "); 1213 if (value != NULL) { 1214 if (kstrtou8(value, 0, ®_val) < 0) 1215 return -EINVAL; 1216 switch (i) { 1217 case 0: 1218 viafb_write_reg_mask(CR9B, VIACR, 1219 reg_val, 0x0f); 1220 break; 1221 case 1: 1222 viafb_write_reg_mask(SR65, VIASR, 1223 reg_val << 2, 0x0c); 1224 break; 1225 case 2: 1226 viafb_write_reg_mask(SR65, VIASR, 1227 reg_val, 0x03); 1228 break; 1229 default: 1230 break; 1231 } 1232 } else { 1233 break; 1234 } 1235 } 1236 return count; 1237 } 1238 1239 static const struct proc_ops viafb_dvp1_proc_ops = { 1240 .proc_open = viafb_dvp1_proc_open, 1241 .proc_read = seq_read, 1242 .proc_lseek = seq_lseek, 1243 .proc_release = single_release, 1244 .proc_write = viafb_dvp1_proc_write, 1245 }; 1246 1247 static int viafb_dfph_proc_show(struct seq_file *m, void *v) 1248 { 1249 u8 dfp_high = 0; 1250 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f; 1251 seq_printf(m, "%x\n", dfp_high); 1252 return 0; 1253 } 1254 1255 static int viafb_dfph_proc_open(struct inode *inode, struct file *file) 1256 { 1257 return single_open(file, viafb_dfph_proc_show, NULL); 1258 } 1259 1260 static ssize_t viafb_dfph_proc_write(struct file *file, 1261 const char __user *buffer, size_t count, loff_t *pos) 1262 { 1263 int err; 1264 u8 reg_val; 1265 err = kstrtou8_from_user(buffer, count, 0, ®_val); 1266 if (err) 1267 return err; 1268 1269 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); 1270 return count; 1271 } 1272 1273 static const struct proc_ops viafb_dfph_proc_ops = { 1274 .proc_open = viafb_dfph_proc_open, 1275 .proc_read = seq_read, 1276 .proc_lseek = seq_lseek, 1277 .proc_release = single_release, 1278 .proc_write = viafb_dfph_proc_write, 1279 }; 1280 1281 static int viafb_dfpl_proc_show(struct seq_file *m, void *v) 1282 { 1283 u8 dfp_low = 0; 1284 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f; 1285 seq_printf(m, "%x\n", dfp_low); 1286 return 0; 1287 } 1288 1289 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file) 1290 { 1291 return single_open(file, viafb_dfpl_proc_show, NULL); 1292 } 1293 1294 static ssize_t viafb_dfpl_proc_write(struct file *file, 1295 const char __user *buffer, size_t count, loff_t *pos) 1296 { 1297 int err; 1298 u8 reg_val; 1299 err = kstrtou8_from_user(buffer, count, 0, ®_val); 1300 if (err) 1301 return err; 1302 1303 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); 1304 return count; 1305 } 1306 1307 static const struct proc_ops viafb_dfpl_proc_ops = { 1308 .proc_open = viafb_dfpl_proc_open, 1309 .proc_read = seq_read, 1310 .proc_lseek = seq_lseek, 1311 .proc_release = single_release, 1312 .proc_write = viafb_dfpl_proc_write, 1313 }; 1314 1315 static int viafb_vt1636_proc_show(struct seq_file *m, void *v) 1316 { 1317 u8 vt1636_08 = 0, vt1636_09 = 0; 1318 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { 1319 case VT1636_LVDS: 1320 vt1636_08 = 1321 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, 1322 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f; 1323 vt1636_09 = 1324 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, 1325 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f; 1326 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09); 1327 break; 1328 default: 1329 break; 1330 } 1331 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { 1332 case VT1636_LVDS: 1333 vt1636_08 = 1334 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, 1335 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f; 1336 vt1636_09 = 1337 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, 1338 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f; 1339 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09); 1340 break; 1341 default: 1342 break; 1343 } 1344 return 0; 1345 } 1346 1347 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file) 1348 { 1349 return single_open(file, viafb_vt1636_proc_show, NULL); 1350 } 1351 1352 static ssize_t viafb_vt1636_proc_write(struct file *file, 1353 const char __user *buffer, size_t count, loff_t *pos) 1354 { 1355 char buf[30], *value, *pbuf; 1356 struct IODATA reg_val; 1357 unsigned long length, i; 1358 if (count < 1) 1359 return -EINVAL; 1360 length = count > 30 ? 30 : count; 1361 if (copy_from_user(&buf[0], buffer, length)) 1362 return -EFAULT; 1363 buf[length - 1] = '\0'; /*Ensure end string */ 1364 pbuf = &buf[0]; 1365 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { 1366 case VT1636_LVDS: 1367 for (i = 0; i < 2; i++) { 1368 value = strsep(&pbuf, " "); 1369 if (value != NULL) { 1370 if (kstrtou8(value, 0, ®_val.Data) < 0) 1371 return -EINVAL; 1372 switch (i) { 1373 case 0: 1374 reg_val.Index = 0x08; 1375 reg_val.Mask = 0x0f; 1376 viafb_gpio_i2c_write_mask_lvds 1377 (viaparinfo->lvds_setting_info, 1378 &viaparinfo-> 1379 chip_info->lvds_chip_info, 1380 reg_val); 1381 break; 1382 case 1: 1383 reg_val.Index = 0x09; 1384 reg_val.Mask = 0x1f; 1385 viafb_gpio_i2c_write_mask_lvds 1386 (viaparinfo->lvds_setting_info, 1387 &viaparinfo-> 1388 chip_info->lvds_chip_info, 1389 reg_val); 1390 break; 1391 default: 1392 break; 1393 } 1394 } else { 1395 break; 1396 } 1397 } 1398 break; 1399 default: 1400 break; 1401 } 1402 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { 1403 case VT1636_LVDS: 1404 for (i = 0; i < 2; i++) { 1405 value = strsep(&pbuf, " "); 1406 if (value != NULL) { 1407 if (kstrtou8(value, 0, ®_val.Data) < 0) 1408 return -EINVAL; 1409 switch (i) { 1410 case 0: 1411 reg_val.Index = 0x08; 1412 reg_val.Mask = 0x0f; 1413 viafb_gpio_i2c_write_mask_lvds 1414 (viaparinfo->lvds_setting_info2, 1415 &viaparinfo-> 1416 chip_info->lvds_chip_info2, 1417 reg_val); 1418 break; 1419 case 1: 1420 reg_val.Index = 0x09; 1421 reg_val.Mask = 0x1f; 1422 viafb_gpio_i2c_write_mask_lvds 1423 (viaparinfo->lvds_setting_info2, 1424 &viaparinfo-> 1425 chip_info->lvds_chip_info2, 1426 reg_val); 1427 break; 1428 default: 1429 break; 1430 } 1431 } else { 1432 break; 1433 } 1434 } 1435 break; 1436 default: 1437 break; 1438 } 1439 return count; 1440 } 1441 1442 static const struct proc_ops viafb_vt1636_proc_ops = { 1443 .proc_open = viafb_vt1636_proc_open, 1444 .proc_read = seq_read, 1445 .proc_lseek = seq_lseek, 1446 .proc_release = single_release, 1447 .proc_write = viafb_vt1636_proc_write, 1448 }; 1449 1450 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1451 1452 static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v) 1453 { 1454 via_odev_to_seq(m, supported_odev_map[ 1455 viaparinfo->shared->chip_info.gfx_chip_name]); 1456 return 0; 1457 } 1458 1459 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev) 1460 { 1461 char buf[64], *ptr = buf; 1462 u32 devices; 1463 bool add, sub; 1464 1465 if (count < 1 || count > 63) 1466 return -EINVAL; 1467 if (copy_from_user(&buf[0], buffer, count)) 1468 return -EFAULT; 1469 buf[count] = '\0'; 1470 add = buf[0] == '+'; 1471 sub = buf[0] == '-'; 1472 if (add || sub) 1473 ptr++; 1474 devices = via_parse_odev(ptr, &ptr); 1475 if (*ptr == '\n') 1476 ptr++; 1477 if (*ptr != 0) 1478 return -EINVAL; 1479 if (add) 1480 *odev |= devices; 1481 else if (sub) 1482 *odev &= ~devices; 1483 else 1484 *odev = devices; 1485 return count; 1486 } 1487 1488 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v) 1489 { 1490 via_odev_to_seq(m, viaparinfo->shared->iga1_devices); 1491 return 0; 1492 } 1493 1494 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file) 1495 { 1496 return single_open(file, viafb_iga1_odev_proc_show, NULL); 1497 } 1498 1499 static ssize_t viafb_iga1_odev_proc_write(struct file *file, 1500 const char __user *buffer, size_t count, loff_t *pos) 1501 { 1502 u32 dev_on, dev_off, dev_old, dev_new; 1503 ssize_t res; 1504 1505 dev_old = dev_new = viaparinfo->shared->iga1_devices; 1506 res = odev_update(buffer, count, &dev_new); 1507 if (res != count) 1508 return res; 1509 dev_off = dev_old & ~dev_new; 1510 dev_on = dev_new & ~dev_old; 1511 viaparinfo->shared->iga1_devices = dev_new; 1512 viaparinfo->shared->iga2_devices &= ~dev_new; 1513 via_set_state(dev_off, VIA_STATE_OFF); 1514 via_set_source(dev_new, IGA1); 1515 via_set_state(dev_on, VIA_STATE_ON); 1516 return res; 1517 } 1518 1519 static const struct proc_ops viafb_iga1_odev_proc_ops = { 1520 .proc_open = viafb_iga1_odev_proc_open, 1521 .proc_read = seq_read, 1522 .proc_lseek = seq_lseek, 1523 .proc_release = single_release, 1524 .proc_write = viafb_iga1_odev_proc_write, 1525 }; 1526 1527 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v) 1528 { 1529 via_odev_to_seq(m, viaparinfo->shared->iga2_devices); 1530 return 0; 1531 } 1532 1533 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file) 1534 { 1535 return single_open(file, viafb_iga2_odev_proc_show, NULL); 1536 } 1537 1538 static ssize_t viafb_iga2_odev_proc_write(struct file *file, 1539 const char __user *buffer, size_t count, loff_t *pos) 1540 { 1541 u32 dev_on, dev_off, dev_old, dev_new; 1542 ssize_t res; 1543 1544 dev_old = dev_new = viaparinfo->shared->iga2_devices; 1545 res = odev_update(buffer, count, &dev_new); 1546 if (res != count) 1547 return res; 1548 dev_off = dev_old & ~dev_new; 1549 dev_on = dev_new & ~dev_old; 1550 viaparinfo->shared->iga2_devices = dev_new; 1551 viaparinfo->shared->iga1_devices &= ~dev_new; 1552 via_set_state(dev_off, VIA_STATE_OFF); 1553 via_set_source(dev_new, IGA2); 1554 via_set_state(dev_on, VIA_STATE_ON); 1555 return res; 1556 } 1557 1558 static const struct proc_ops viafb_iga2_odev_proc_ops = { 1559 .proc_open = viafb_iga2_odev_proc_open, 1560 .proc_read = seq_read, 1561 .proc_lseek = seq_lseek, 1562 .proc_release = single_release, 1563 .proc_write = viafb_iga2_odev_proc_write, 1564 }; 1565 1566 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS) 1567 static void viafb_init_proc(struct viafb_shared *shared) 1568 { 1569 struct proc_dir_entry *iga1_entry, *iga2_entry, 1570 *viafb_entry = proc_mkdir("viafb", NULL); 1571 1572 shared->proc_entry = viafb_entry; 1573 if (viafb_entry) { 1574 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1575 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_ops); 1576 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_ops); 1577 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_ops); 1578 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_ops); 1579 if (IS_VT1636(shared->chip_info.lvds_chip_info) 1580 || IS_VT1636(shared->chip_info.lvds_chip_info2)) 1581 proc_create("vt1636", 0, viafb_entry, 1582 &viafb_vt1636_proc_ops); 1583 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1584 1585 proc_create_single("supported_output_devices", 0, viafb_entry, 1586 viafb_sup_odev_proc_show); 1587 iga1_entry = proc_mkdir("iga1", viafb_entry); 1588 shared->iga1_proc_entry = iga1_entry; 1589 proc_create("output_devices", 0, iga1_entry, 1590 &viafb_iga1_odev_proc_ops); 1591 iga2_entry = proc_mkdir("iga2", viafb_entry); 1592 shared->iga2_proc_entry = iga2_entry; 1593 proc_create("output_devices", 0, iga2_entry, 1594 &viafb_iga2_odev_proc_ops); 1595 } 1596 } 1597 static void viafb_remove_proc(struct viafb_shared *shared) 1598 { 1599 struct proc_dir_entry *viafb_entry = shared->proc_entry; 1600 1601 if (!viafb_entry) 1602 return; 1603 1604 remove_proc_entry("output_devices", shared->iga2_proc_entry); 1605 remove_proc_entry("iga2", viafb_entry); 1606 remove_proc_entry("output_devices", shared->iga1_proc_entry); 1607 remove_proc_entry("iga1", viafb_entry); 1608 remove_proc_entry("supported_output_devices", viafb_entry); 1609 1610 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS 1611 remove_proc_entry("dvp0", viafb_entry);/* parent dir */ 1612 remove_proc_entry("dvp1", viafb_entry); 1613 remove_proc_entry("dfph", viafb_entry); 1614 remove_proc_entry("dfpl", viafb_entry); 1615 if (IS_VT1636(shared->chip_info.lvds_chip_info) 1616 || IS_VT1636(shared->chip_info.lvds_chip_info2)) 1617 remove_proc_entry("vt1636", viafb_entry); 1618 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ 1619 1620 remove_proc_entry("viafb", NULL); 1621 } 1622 #undef IS_VT1636 1623 1624 static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres) 1625 { 1626 const struct fb_videomode *mode = NULL; 1627 char *ptr; 1628 1629 if (!str) { 1630 if (devices == VIA_CRT) 1631 mode = via_aux_get_preferred_mode( 1632 viaparinfo->shared->i2c_26); 1633 else if (devices == VIA_DVP1) 1634 mode = via_aux_get_preferred_mode( 1635 viaparinfo->shared->i2c_31); 1636 1637 if (mode) { 1638 *xres = mode->xres; 1639 *yres = mode->yres; 1640 } else if (machine_is_olpc()) { 1641 *xres = 1200; 1642 *yres = 900; 1643 } else { 1644 *xres = 640; 1645 *yres = 480; 1646 } 1647 return 0; 1648 } 1649 1650 *xres = simple_strtoul(str, &ptr, 10); 1651 if (ptr[0] != 'x') 1652 return -EINVAL; 1653 1654 *yres = simple_strtoul(&ptr[1], &ptr, 10); 1655 if (ptr[0]) 1656 return -EINVAL; 1657 1658 return 0; 1659 } 1660 1661 1662 #ifdef CONFIG_PM 1663 static int viafb_suspend(void *unused) 1664 { 1665 console_lock(); 1666 fb_set_suspend(viafbinfo, 1); 1667 viafb_sync(viafbinfo); 1668 console_unlock(); 1669 1670 return 0; 1671 } 1672 1673 static int viafb_resume(void *unused) 1674 { 1675 console_lock(); 1676 if (viaparinfo->shared->vdev->engine_mmio) 1677 viafb_reset_engine(viaparinfo); 1678 viafb_set_par(viafbinfo); 1679 if (viafb_dual_fb) 1680 viafb_set_par(viafbinfo1); 1681 fb_set_suspend(viafbinfo, 0); 1682 1683 console_unlock(); 1684 return 0; 1685 } 1686 1687 static struct viafb_pm_hooks viafb_fb_pm_hooks = { 1688 .suspend = viafb_suspend, 1689 .resume = viafb_resume 1690 }; 1691 1692 #endif 1693 1694 static void i2c_bus_probe(struct viafb_shared *shared) 1695 { 1696 /* should be always CRT */ 1697 printk(KERN_INFO "viafb: Probing I2C bus 0x26\n"); 1698 shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26)); 1699 1700 /* seems to be usually DVP1 */ 1701 printk(KERN_INFO "viafb: Probing I2C bus 0x31\n"); 1702 shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31)); 1703 1704 /* FIXME: what is this? */ 1705 if (!machine_is_olpc()) { 1706 printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n"); 1707 shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C)); 1708 } 1709 1710 printk(KERN_INFO "viafb: Finished I2C bus probing"); 1711 } 1712 1713 static void i2c_bus_free(struct viafb_shared *shared) 1714 { 1715 via_aux_free(shared->i2c_26); 1716 via_aux_free(shared->i2c_31); 1717 via_aux_free(shared->i2c_2C); 1718 } 1719 1720 int via_fb_pci_probe(struct viafb_dev *vdev) 1721 { 1722 u32 default_xres, default_yres; 1723 struct fb_var_screeninfo default_var; 1724 int rc; 1725 u32 viafb_par_length; 1726 1727 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n"); 1728 memset(&default_var, 0, sizeof(default_var)); 1729 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8); 1730 1731 /* Allocate fb_info and ***_par here, also including some other needed 1732 * variables 1733 */ 1734 viafbinfo = framebuffer_alloc(viafb_par_length + 1735 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8), 1736 &vdev->pdev->dev); 1737 if (!viafbinfo) 1738 return -ENOMEM; 1739 1740 viaparinfo = (struct viafb_par *)viafbinfo->par; 1741 viaparinfo->shared = viafbinfo->par + viafb_par_length; 1742 viaparinfo->shared->vdev = vdev; 1743 viaparinfo->vram_addr = 0; 1744 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info; 1745 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info; 1746 viaparinfo->lvds_setting_info2 = 1747 &viaparinfo->shared->lvds_setting_info2; 1748 viaparinfo->chip_info = &viaparinfo->shared->chip_info; 1749 1750 i2c_bus_probe(viaparinfo->shared); 1751 if (viafb_dual_fb) 1752 viafb_SAMM_ON = 1; 1753 parse_lcd_port(); 1754 parse_dvi_port(); 1755 1756 viafb_init_chip_info(vdev->chip_type); 1757 /* 1758 * The framebuffer will have been successfully mapped by 1759 * the core (or we'd not be here), but we still need to 1760 * set up our own accounting. 1761 */ 1762 viaparinfo->fbmem = vdev->fbmem_start; 1763 viaparinfo->memsize = vdev->fbmem_len; 1764 viaparinfo->fbmem_free = viaparinfo->memsize; 1765 viaparinfo->fbmem_used = 0; 1766 viafbinfo->screen_base = vdev->fbmem; 1767 1768 viafbinfo->fix.mmio_start = vdev->engine_start; 1769 viafbinfo->fix.mmio_len = vdev->engine_len; 1770 viafbinfo->node = 0; 1771 viafbinfo->fbops = &viafb_ops; 1772 viafbinfo->flags = FBINFO_HWACCEL_YPAN; 1773 1774 viafbinfo->pseudo_palette = pseudo_pal; 1775 if (viafb_accel && !viafb_setup_engine(viafbinfo)) { 1776 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA | 1777 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT; 1778 default_var.accel_flags = FB_ACCELF_TEXT; 1779 } else { 1780 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED; 1781 default_var.accel_flags = 0; 1782 } 1783 1784 if (viafb_second_size && (viafb_second_size < 8)) { 1785 viafb_second_offset = viaparinfo->fbmem_free - 1786 viafb_second_size * 1024 * 1024; 1787 } else { 1788 viafb_second_size = 8; 1789 viafb_second_offset = viaparinfo->fbmem_free - 1790 viafb_second_size * 1024 * 1024; 1791 } 1792 1793 parse_mode(viafb_mode, viaparinfo->shared->iga1_devices, 1794 &default_xres, &default_yres); 1795 if (viafb_SAMM_ON == 1) 1796 parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices, 1797 &viafb_second_xres, &viafb_second_yres); 1798 1799 default_var.xres = default_xres; 1800 default_var.yres = default_yres; 1801 default_var.xres_virtual = default_xres; 1802 default_var.yres_virtual = default_yres; 1803 default_var.bits_per_pixel = viafb_bpp; 1804 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( 1805 default_var.xres, default_var.yres, viafb_refresh)); 1806 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo); 1807 viafbinfo->var = default_var; 1808 1809 if (viafb_dual_fb) { 1810 viafbinfo1 = framebuffer_alloc(viafb_par_length, 1811 &vdev->pdev->dev); 1812 if (!viafbinfo1) { 1813 rc = -ENOMEM; 1814 goto out_fb_release; 1815 } 1816 viaparinfo1 = viafbinfo1->par; 1817 memcpy(viaparinfo1, viaparinfo, viafb_par_length); 1818 viaparinfo1->vram_addr = viafb_second_offset; 1819 viaparinfo1->memsize = viaparinfo->memsize - 1820 viafb_second_offset; 1821 viaparinfo->memsize = viafb_second_offset; 1822 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset; 1823 1824 viaparinfo1->fbmem_used = viaparinfo->fbmem_used; 1825 viaparinfo1->fbmem_free = viaparinfo1->memsize - 1826 viaparinfo1->fbmem_used; 1827 viaparinfo->fbmem_free = viaparinfo->memsize; 1828 viaparinfo->fbmem_used = 0; 1829 1830 viaparinfo->iga_path = IGA1; 1831 viaparinfo1->iga_path = IGA2; 1832 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info)); 1833 viafbinfo1->par = viaparinfo1; 1834 viafbinfo1->screen_base = viafbinfo->screen_base + 1835 viafb_second_offset; 1836 1837 default_var.xres = viafb_second_xres; 1838 default_var.yres = viafb_second_yres; 1839 default_var.xres_virtual = viafb_second_xres; 1840 default_var.yres_virtual = viafb_second_yres; 1841 default_var.bits_per_pixel = viafb_bpp1; 1842 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( 1843 default_var.xres, default_var.yres, viafb_refresh1)); 1844 1845 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1); 1846 viafb_check_var(&default_var, viafbinfo1); 1847 viafbinfo1->var = default_var; 1848 viafb_update_fix(viafbinfo1); 1849 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var, 1850 &viafbinfo1->fix); 1851 } 1852 1853 viafb_check_var(&viafbinfo->var, viafbinfo); 1854 viafb_update_fix(viafbinfo); 1855 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var, 1856 &viafbinfo->fix); 1857 default_var.activate = FB_ACTIVATE_NOW; 1858 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0); 1859 if (rc) 1860 goto out_fb1_release; 1861 1862 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) 1863 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) { 1864 rc = register_framebuffer(viafbinfo1); 1865 if (rc) 1866 goto out_dealloc_cmap; 1867 } 1868 rc = register_framebuffer(viafbinfo); 1869 if (rc) 1870 goto out_fb1_unreg_lcd_cle266; 1871 1872 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device) 1873 || (viaparinfo->chip_info->gfx_chip_name != 1874 UNICHROME_CLE266))) { 1875 rc = register_framebuffer(viafbinfo1); 1876 if (rc) 1877 goto out_fb_unreg; 1878 } 1879 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n", 1880 viafbinfo->node, viafbinfo->fix.id, default_var.xres, 1881 default_var.yres, default_var.bits_per_pixel); 1882 1883 viafb_init_proc(viaparinfo->shared); 1884 viafb_init_dac(IGA2); 1885 1886 #ifdef CONFIG_PM 1887 viafb_pm_register(&viafb_fb_pm_hooks); 1888 #endif 1889 return 0; 1890 1891 out_fb_unreg: 1892 unregister_framebuffer(viafbinfo); 1893 out_fb1_unreg_lcd_cle266: 1894 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) 1895 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) 1896 unregister_framebuffer(viafbinfo1); 1897 out_dealloc_cmap: 1898 fb_dealloc_cmap(&viafbinfo->cmap); 1899 out_fb1_release: 1900 framebuffer_release(viafbinfo1); 1901 out_fb_release: 1902 i2c_bus_free(viaparinfo->shared); 1903 framebuffer_release(viafbinfo); 1904 return rc; 1905 } 1906 1907 void via_fb_pci_remove(struct pci_dev *pdev) 1908 { 1909 DEBUG_MSG(KERN_INFO "via_pci_remove!\n"); 1910 fb_dealloc_cmap(&viafbinfo->cmap); 1911 unregister_framebuffer(viafbinfo); 1912 if (viafb_dual_fb) 1913 unregister_framebuffer(viafbinfo1); 1914 viafb_remove_proc(viaparinfo->shared); 1915 i2c_bus_free(viaparinfo->shared); 1916 framebuffer_release(viafbinfo); 1917 if (viafb_dual_fb) 1918 framebuffer_release(viafbinfo1); 1919 } 1920 1921 #ifndef MODULE 1922 static int __init viafb_setup(void) 1923 { 1924 char *this_opt; 1925 char *options; 1926 1927 DEBUG_MSG(KERN_INFO "viafb_setup!\n"); 1928 1929 if (fb_get_options("viafb", &options)) 1930 return -ENODEV; 1931 1932 if (!options || !*options) 1933 return 0; 1934 1935 while ((this_opt = strsep(&options, ",")) != NULL) { 1936 if (!*this_opt) 1937 continue; 1938 1939 if (!strncmp(this_opt, "viafb_mode1=", 12)) { 1940 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL); 1941 if (!viafb_mode1) 1942 return -ENOMEM; 1943 } else if (!strncmp(this_opt, "viafb_mode=", 11)) { 1944 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL); 1945 if (!viafb_mode) 1946 return -ENOMEM; 1947 } else if (!strncmp(this_opt, "viafb_bpp1=", 11)) { 1948 if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0) 1949 return -EINVAL; 1950 } else if (!strncmp(this_opt, "viafb_bpp=", 10)) { 1951 if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0) 1952 return -EINVAL; 1953 } else if (!strncmp(this_opt, "viafb_refresh1=", 15)) { 1954 if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0) 1955 return -EINVAL; 1956 } else if (!strncmp(this_opt, "viafb_refresh=", 14)) { 1957 if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0) 1958 return -EINVAL; 1959 } else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) { 1960 if (kstrtoint(this_opt + 21, 0, 1961 &viafb_lcd_dsp_method) < 0) 1962 return -EINVAL; 1963 } else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) { 1964 if (kstrtoint(this_opt + 19, 0, 1965 &viafb_lcd_panel_id) < 0) 1966 return -EINVAL; 1967 } else if (!strncmp(this_opt, "viafb_accel=", 12)) { 1968 if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0) 1969 return -EINVAL; 1970 } else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) { 1971 if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0) 1972 return -EINVAL; 1973 } else if (!strncmp(this_opt, "viafb_active_dev=", 17)) { 1974 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL); 1975 if (!viafb_active_dev) 1976 return -ENOMEM; 1977 } else if (!strncmp(this_opt, 1978 "viafb_display_hardware_layout=", 30)) { 1979 if (kstrtoint(this_opt + 30, 0, 1980 &viafb_display_hardware_layout) < 0) 1981 return -EINVAL; 1982 } else if (!strncmp(this_opt, "viafb_second_size=", 18)) { 1983 if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0) 1984 return -EINVAL; 1985 } else if (!strncmp(this_opt, 1986 "viafb_platform_epia_dvi=", 24)) { 1987 if (kstrtoint(this_opt + 24, 0, 1988 &viafb_platform_epia_dvi) < 0) 1989 return -EINVAL; 1990 } else if (!strncmp(this_opt, 1991 "viafb_device_lcd_dualedge=", 26)) { 1992 if (kstrtoint(this_opt + 26, 0, 1993 &viafb_device_lcd_dualedge) < 0) 1994 return -EINVAL; 1995 } else if (!strncmp(this_opt, "viafb_bus_width=", 16)) { 1996 if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0) 1997 return -EINVAL; 1998 } else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) { 1999 if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0) 2000 return -EINVAL; 2001 } else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) { 2002 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL); 2003 if (!viafb_lcd_port) 2004 return -ENOMEM; 2005 } else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) { 2006 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL); 2007 if (!viafb_dvi_port) 2008 return -ENOMEM; 2009 } 2010 } 2011 return 0; 2012 } 2013 #endif 2014 2015 /* 2016 * These are called out of via-core for now. 2017 */ 2018 int __init viafb_init(void) 2019 { 2020 u32 dummy_x, dummy_y; 2021 int r = 0; 2022 2023 if (machine_is_olpc()) 2024 /* Apply XO-1.5-specific configuration. */ 2025 viafb_lcd_panel_id = 23; 2026 2027 #ifndef MODULE 2028 r = viafb_setup(); 2029 if (r < 0) 2030 return r; 2031 #endif 2032 if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y) 2033 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh) 2034 || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y) 2035 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1) 2036 || viafb_bpp < 0 || viafb_bpp > 32 2037 || viafb_bpp1 < 0 || viafb_bpp1 > 32 2038 || parse_active_dev()) 2039 return -EINVAL; 2040 2041 printk(KERN_INFO 2042 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n", 2043 VERSION_MAJOR, VERSION_MINOR); 2044 return r; 2045 } 2046 2047 void __exit viafb_exit(void) 2048 { 2049 DEBUG_MSG(KERN_INFO "viafb_exit!\n"); 2050 } 2051 2052 static struct fb_ops viafb_ops = { 2053 .owner = THIS_MODULE, 2054 .fb_open = viafb_open, 2055 .fb_release = viafb_release, 2056 __FB_DEFAULT_IOMEM_OPS_RDWR, 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 __FB_DEFAULT_IOMEM_OPS_MMAP, 2069 }; 2070 2071 2072 #ifdef MODULE 2073 module_param(viafb_mode, charp, S_IRUSR); 2074 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)"); 2075 2076 module_param(viafb_mode1, charp, S_IRUSR); 2077 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)"); 2078 2079 module_param(viafb_bpp, int, S_IRUSR); 2080 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)"); 2081 2082 module_param(viafb_bpp1, int, S_IRUSR); 2083 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)"); 2084 2085 module_param(viafb_refresh, int, S_IRUSR); 2086 MODULE_PARM_DESC(viafb_refresh, 2087 "Set CRT viafb_refresh rate (default = 60)"); 2088 2089 module_param(viafb_refresh1, int, S_IRUSR); 2090 MODULE_PARM_DESC(viafb_refresh1, 2091 "Set CRT refresh rate (default = 60)"); 2092 2093 module_param(viafb_lcd_panel_id, int, S_IRUSR); 2094 MODULE_PARM_DESC(viafb_lcd_panel_id, 2095 "Set Flat Panel type(Default=1024x768)"); 2096 2097 module_param(viafb_lcd_dsp_method, int, S_IRUSR); 2098 MODULE_PARM_DESC(viafb_lcd_dsp_method, 2099 "Set Flat Panel display scaling method.(Default=Expansion)"); 2100 2101 module_param(viafb_SAMM_ON, int, S_IRUSR); 2102 MODULE_PARM_DESC(viafb_SAMM_ON, 2103 "Turn on/off flag of SAMM(Default=OFF)"); 2104 2105 module_param(viafb_accel, int, S_IRUSR); 2106 MODULE_PARM_DESC(viafb_accel, 2107 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)"); 2108 2109 module_param(viafb_active_dev, charp, S_IRUSR); 2110 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices."); 2111 2112 module_param(viafb_display_hardware_layout, int, S_IRUSR); 2113 MODULE_PARM_DESC(viafb_display_hardware_layout, 2114 "Display Hardware Layout (LCD Only, DVI Only...,etc)"); 2115 2116 module_param(viafb_second_size, int, S_IRUSR); 2117 MODULE_PARM_DESC(viafb_second_size, 2118 "Set secondary device memory size"); 2119 2120 module_param(viafb_dual_fb, int, S_IRUSR); 2121 MODULE_PARM_DESC(viafb_dual_fb, 2122 "Turn on/off flag of dual framebuffer devices.(Default = OFF)"); 2123 2124 module_param(viafb_platform_epia_dvi, int, S_IRUSR); 2125 MODULE_PARM_DESC(viafb_platform_epia_dvi, 2126 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)"); 2127 2128 module_param(viafb_device_lcd_dualedge, int, S_IRUSR); 2129 MODULE_PARM_DESC(viafb_device_lcd_dualedge, 2130 "Turn on/off flag of dual edge panel.(Default = OFF)"); 2131 2132 module_param(viafb_bus_width, int, S_IRUSR); 2133 MODULE_PARM_DESC(viafb_bus_width, 2134 "Set bus width of panel.(Default = 12)"); 2135 2136 module_param(viafb_lcd_mode, int, S_IRUSR); 2137 MODULE_PARM_DESC(viafb_lcd_mode, 2138 "Set Flat Panel mode(Default=OPENLDI)"); 2139 2140 module_param(viafb_lcd_port, charp, S_IRUSR); 2141 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port."); 2142 2143 module_param(viafb_dvi_port, charp, S_IRUSR); 2144 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port."); 2145 2146 MODULE_DESCRIPTION("VIA UniChrome (Pro) and Chrome9 display driver"); 2147 MODULE_LICENSE("GPL"); 2148 #endif 2149