2 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #include <linux/module.h>
23 #include <linux/seq_file.h>
24 #include <linux/slab.h>
25 #include <linux/stat.h>
26 #include <linux/via-core.h>
31 static char *viafb_name = "Via";
32 static u32 pseudo_pal[17];
35 static char *viafb_mode;
36 static char *viafb_mode1;
37 static int viafb_bpp = 32;
38 static int viafb_bpp1 = 32;
40 static unsigned int viafb_second_offset;
41 static int viafb_second_size;
43 static int viafb_accel = 1;
45 /* Added for specifying active devices.*/
46 char *viafb_active_dev;
48 /*Added for specify lcd output port*/
49 char *viafb_lcd_port = "";
50 char *viafb_dvi_port = "";
52 static void retrieve_device_setting(struct viafb_ioctl_setting
54 static int viafb_pan_display(struct fb_var_screeninfo *var,
55 struct fb_info *info);
57 static struct fb_ops viafb_ops;
59 /* supported output devices on each IGP
60 * only CX700, VX800, VX855 were documented
61 * VIA_CRT should be everywhere
62 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
63 * source selection on CX700 and later
64 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
66 static const u32 supported_odev_map[] = {
67 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1,
68 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
70 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
72 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
74 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
76 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
77 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
78 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
79 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
80 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
81 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
82 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
85 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
88 var->red.msb_right = 0;
89 var->green.msb_right = 0;
90 var->blue.msb_right = 0;
91 var->transp.offset = 0;
92 var->transp.length = 0;
93 var->transp.msb_right = 0;
97 var->bits_per_pixel = 8;
99 var->green.offset = 0;
100 var->blue.offset = 0;
102 var->green.length = 8;
103 var->blue.length = 8;
106 var->bits_per_pixel = 16;
107 var->red.offset = 10;
108 var->green.offset = 5;
109 var->blue.offset = 0;
111 var->green.length = 5;
112 var->blue.length = 5;
115 var->bits_per_pixel = 16;
116 var->red.offset = 11;
117 var->green.offset = 5;
118 var->blue.offset = 0;
120 var->green.length = 6;
121 var->blue.length = 5;
124 var->bits_per_pixel = 32;
125 var->red.offset = 16;
126 var->green.offset = 8;
127 var->blue.offset = 0;
129 var->green.length = 8;
130 var->blue.length = 8;
133 var->bits_per_pixel = 32;
134 var->red.offset = 20;
135 var->green.offset = 10;
136 var->blue.offset = 0;
137 var->red.length = 10;
138 var->green.length = 10;
139 var->blue.length = 10;
144 static void viafb_update_fix(struct fb_info *info)
146 u32 bpp = info->var.bits_per_pixel;
149 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
150 info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
153 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
154 struct viafb_par *viaparinfo)
156 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
157 strcpy(fix->id, viafb_name);
159 fix->smem_start = viaparinfo->fbmem;
160 fix->smem_len = viaparinfo->fbmem_free;
162 fix->type = FB_TYPE_PACKED_PIXELS;
164 fix->visual = FB_VISUAL_TRUECOLOR;
166 fix->xpanstep = fix->ywrapstep = 0;
169 /* Just tell the accel name */
170 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
172 static int viafb_open(struct fb_info *info, int user)
174 DEBUG_MSG(KERN_INFO "viafb_open!\n");
178 static int viafb_release(struct fb_info *info, int user)
180 DEBUG_MSG(KERN_INFO "viafb_release!\n");
184 static int viafb_check_var(struct fb_var_screeninfo *var,
185 struct fb_info *info)
187 int htotal, vtotal, depth;
188 struct VideoModeTable *vmode_entry;
189 struct viafb_par *ppar = info->par;
190 u32 long_refresh, line;
192 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
194 /* HW neither support interlacte nor double-scaned mode */
195 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
198 vmode_entry = viafb_get_mode(var->xres, var->yres);
201 "viafb: Mode %dx%dx%d not supported!!\n",
202 var->xres, var->yres, var->bits_per_pixel);
206 depth = fb_get_color_depth(var, &info->fix);
208 depth = var->bits_per_pixel;
210 if (depth < 0 || depth > 32)
214 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
216 else if (depth == 30)
220 else if (depth <= 16)
225 viafb_fill_var_color_info(var, depth);
226 line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
227 if (line * var->yres_virtual > ppar->memsize)
230 /* Based on var passed in to calculate the refresh,
231 * because our driver use some modes special.
233 htotal = var->xres + var->left_margin +
234 var->right_margin + var->hsync_len;
235 vtotal = var->yres + var->upper_margin +
236 var->lower_margin + var->vsync_len;
237 long_refresh = 1000000000UL / var->pixclock * 1000;
238 long_refresh /= (htotal * vtotal);
240 viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
242 /* Adjust var according to our driver's own table */
243 viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
244 if (var->accel_flags & FB_ACCELF_TEXT &&
245 !ppar->shared->vdev->engine_mmio)
246 var->accel_flags = 0;
251 static int viafb_set_par(struct fb_info *info)
253 struct viafb_par *viapar = info->par;
254 struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
255 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
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, viafb_refresh, 0);
262 vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
264 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
265 viafbinfo1->var.yres);
266 viafb_update_device_setting(viafbinfo1->var.xres,
267 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
269 } else if (viafb_SAMM_ON == 1) {
271 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
272 viafb_second_xres, viafb_second_yres, viafb_bpp1);
273 vmode_entry1 = viafb_get_mode(viafb_second_xres,
276 viafb_update_device_setting(viafb_second_xres,
277 viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
281 if (viafb_dual_fb && viapar->iga_path == IGA2)
282 viafb_bpp1 = info->var.bits_per_pixel;
284 viafb_bpp = info->var.bits_per_pixel;
286 if (info->var.accel_flags & FB_ACCELF_TEXT)
287 info->flags &= ~FBINFO_HWACCEL_DISABLED;
289 info->flags |= FBINFO_HWACCEL_DISABLED;
290 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
291 vmode_entry1, viafb_bpp1);
292 viafb_pan_display(&info->var, info);
298 /* Set one color register */
299 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
300 unsigned blue, unsigned transp, struct fb_info *info)
302 struct viafb_par *viapar = info->par;
305 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
309 if (!viafb_dual_fb || viapar->iga_path == IGA1)
310 viafb_set_primary_color_register(regno, red >> 8,
311 green >> 8, blue >> 8);
313 if (!viafb_dual_fb || viapar->iga_path == IGA2)
314 viafb_set_secondary_color_register(regno, red >> 8,
315 green >> 8, blue >> 8);
320 r = (red >> (16 - info->var.red.length))
321 << info->var.red.offset;
322 b = (blue >> (16 - info->var.blue.length))
323 << info->var.blue.offset;
324 g = (green >> (16 - info->var.green.length))
325 << info->var.green.offset;
326 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
332 static int viafb_pan_display(struct fb_var_screeninfo *var,
333 struct fb_info *info)
335 struct viafb_par *viapar = info->par;
336 u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
337 * (var->bits_per_pixel / 8) + viapar->vram_addr;
339 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
340 if (!viafb_dual_fb) {
341 via_set_primary_address(vram_addr);
342 via_set_secondary_address(vram_addr);
343 } else if (viapar->iga_path == IGA1)
344 via_set_primary_address(vram_addr);
346 via_set_secondary_address(vram_addr);
351 static int viafb_blank(int blank_mode, struct fb_info *info)
353 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
354 /* clear DPMS setting */
356 switch (blank_mode) {
357 case FB_BLANK_UNBLANK:
358 /* Screen: On, HSync: On, VSync: On */
359 /* control CRT monitor power management */
360 via_set_state(VIA_CRT, VIA_STATE_ON);
362 case FB_BLANK_HSYNC_SUSPEND:
363 /* Screen: Off, HSync: Off, VSync: On */
364 /* control CRT monitor power management */
365 via_set_state(VIA_CRT, VIA_STATE_STANDBY);
367 case FB_BLANK_VSYNC_SUSPEND:
368 /* Screen: Off, HSync: On, VSync: Off */
369 /* control CRT monitor power management */
370 via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
372 case FB_BLANK_POWERDOWN:
373 /* Screen: Off, HSync: Off, VSync: Off */
374 /* control CRT monitor power management */
375 via_set_state(VIA_CRT, VIA_STATE_OFF);
382 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
385 struct viafb_ioctl_mode viamode;
386 struct viafb_ioctl_samm viasamm;
387 struct viafb_driver_version driver_version;
388 struct fb_var_screeninfo sec_var;
389 struct _panel_size_pos_info panel_pos_size_para;
390 struct viafb_ioctl_setting viafb_setting;
391 struct device_t active_dev;
394 u32 *viafb_gamma_table;
395 char driver_name[] = "viafb";
397 u32 __user *argp = (u32 __user *) arg;
400 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
401 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
402 memset(&u, 0, sizeof(u));
405 case VIAFB_GET_CHIP_INFO:
406 if (copy_to_user(argp, viaparinfo->chip_info,
407 sizeof(struct chip_information)))
410 case VIAFB_GET_INFO_SIZE:
411 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
413 return viafb_ioctl_get_viafb_info(arg);
415 return put_user(viafb_ioctl_hotplug(info->var.xres,
417 info->var.bits_per_pixel), argp);
418 case VIAFB_SET_HOTPLUG_FLAG:
419 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
421 viafb_hotplug = (gpu32) ? 1 : 0;
423 case VIAFB_GET_RESOLUTION:
424 u.viamode.xres = (u32) viafb_hotplug_Xres;
425 u.viamode.yres = (u32) viafb_hotplug_Yres;
426 u.viamode.refresh = (u32) viafb_hotplug_refresh;
427 u.viamode.bpp = (u32) viafb_hotplug_bpp;
428 if (viafb_SAMM_ON == 1) {
429 u.viamode.xres_sec = viafb_second_xres;
430 u.viamode.yres_sec = viafb_second_yres;
431 u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
432 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
433 u.viamode.refresh_sec = viafb_refresh1;
434 u.viamode.bpp_sec = viafb_bpp1;
436 u.viamode.xres_sec = 0;
437 u.viamode.yres_sec = 0;
438 u.viamode.virtual_xres_sec = 0;
439 u.viamode.virtual_yres_sec = 0;
440 u.viamode.refresh_sec = 0;
441 u.viamode.bpp_sec = 0;
443 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
446 case VIAFB_GET_SAMM_INFO:
447 u.viasamm.samm_status = viafb_SAMM_ON;
449 if (viafb_SAMM_ON == 1) {
451 u.viasamm.size_prim = viaparinfo->fbmem_free;
452 u.viasamm.size_sec = viaparinfo1->fbmem_free;
454 if (viafb_second_size) {
455 u.viasamm.size_prim =
456 viaparinfo->fbmem_free -
457 viafb_second_size * 1024 * 1024;
459 viafb_second_size * 1024 * 1024;
461 u.viasamm.size_prim =
462 viaparinfo->fbmem_free >> 1;
464 (viaparinfo->fbmem_free >> 1);
467 u.viasamm.mem_base = viaparinfo->fbmem;
468 u.viasamm.offset_sec = viafb_second_offset;
470 u.viasamm.size_prim =
471 viaparinfo->memsize - viaparinfo->fbmem_used;
472 u.viasamm.size_sec = 0;
473 u.viasamm.mem_base = viaparinfo->fbmem;
474 u.viasamm.offset_sec = 0;
477 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
481 case VIAFB_TURN_ON_OUTPUT_DEVICE:
482 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
484 if (gpu32 & CRT_Device)
485 via_set_state(VIA_CRT, VIA_STATE_ON);
486 if (gpu32 & DVI_Device)
488 if (gpu32 & LCD_Device)
491 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
492 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
494 if (gpu32 & CRT_Device)
495 via_set_state(VIA_CRT, VIA_STATE_OFF);
496 if (gpu32 & DVI_Device)
498 if (gpu32 & LCD_Device)
501 case VIAFB_GET_DEVICE:
502 u.active_dev.crt = viafb_CRT_ON;
503 u.active_dev.dvi = viafb_DVI_ON;
504 u.active_dev.lcd = viafb_LCD_ON;
505 u.active_dev.samm = viafb_SAMM_ON;
506 u.active_dev.primary_dev = viafb_primary_dev;
508 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
509 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
510 u.active_dev.lcd_mode = viafb_lcd_mode;
512 u.active_dev.xres = viafb_hotplug_Xres;
513 u.active_dev.yres = viafb_hotplug_Yres;
515 u.active_dev.xres1 = viafb_second_xres;
516 u.active_dev.yres1 = viafb_second_yres;
518 u.active_dev.bpp = viafb_bpp;
519 u.active_dev.bpp1 = viafb_bpp1;
520 u.active_dev.refresh = viafb_refresh;
521 u.active_dev.refresh1 = viafb_refresh1;
523 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
524 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
525 u.active_dev.bus_width = viafb_bus_width;
527 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
531 case VIAFB_GET_DRIVER_VERSION:
532 u.driver_version.iMajorNum = VERSION_MAJOR;
533 u.driver_version.iKernelNum = VERSION_KERNEL;
534 u.driver_version.iOSNum = VERSION_OS;
535 u.driver_version.iMinorNum = VERSION_MINOR;
537 if (copy_to_user(argp, &u.driver_version,
538 sizeof(u.driver_version)))
543 case VIAFB_GET_DEVICE_INFO:
545 retrieve_device_setting(&u.viafb_setting);
547 if (copy_to_user(argp, &u.viafb_setting,
548 sizeof(u.viafb_setting)))
553 case VIAFB_GET_DEVICE_SUPPORT:
554 viafb_get_device_support_state(&state_info);
555 if (put_user(state_info, argp))
559 case VIAFB_GET_DEVICE_CONNECT:
560 viafb_get_device_connect_state(&state_info);
561 if (put_user(state_info, argp))
565 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
567 viafb_lcd_get_support_expand_state(info->var.xres,
569 if (put_user(state_info, argp))
573 case VIAFB_GET_DRIVER_NAME:
574 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
578 case VIAFB_SET_GAMMA_LUT:
579 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
580 if (IS_ERR(viafb_gamma_table))
581 return PTR_ERR(viafb_gamma_table);
582 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
583 kfree(viafb_gamma_table);
586 case VIAFB_GET_GAMMA_LUT:
587 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
588 if (!viafb_gamma_table)
590 viafb_get_gamma_table(viafb_gamma_table);
591 if (copy_to_user(argp, viafb_gamma_table,
592 256 * sizeof(u32))) {
593 kfree(viafb_gamma_table);
596 kfree(viafb_gamma_table);
599 case VIAFB_GET_GAMMA_SUPPORT_STATE:
600 viafb_get_gamma_support_state(viafb_bpp, &state_info);
601 if (put_user(state_info, argp))
604 case VIAFB_SYNC_SURFACE:
605 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
607 case VIAFB_GET_DRIVER_CAPS:
610 case VIAFB_GET_PANEL_MAX_SIZE:
611 if (copy_from_user(&u.panel_pos_size_para, argp,
612 sizeof(u.panel_pos_size_para)))
614 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
615 if (copy_to_user(argp, &u.panel_pos_size_para,
616 sizeof(u.panel_pos_size_para)))
619 case VIAFB_GET_PANEL_MAX_POSITION:
620 if (copy_from_user(&u.panel_pos_size_para, argp,
621 sizeof(u.panel_pos_size_para)))
623 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
624 if (copy_to_user(argp, &u.panel_pos_size_para,
625 sizeof(u.panel_pos_size_para)))
629 case VIAFB_GET_PANEL_POSITION:
630 if (copy_from_user(&u.panel_pos_size_para, argp,
631 sizeof(u.panel_pos_size_para)))
633 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
634 if (copy_to_user(argp, &u.panel_pos_size_para,
635 sizeof(u.panel_pos_size_para)))
638 case VIAFB_GET_PANEL_SIZE:
639 if (copy_from_user(&u.panel_pos_size_para, argp,
640 sizeof(u.panel_pos_size_para)))
642 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
643 if (copy_to_user(argp, &u.panel_pos_size_para,
644 sizeof(u.panel_pos_size_para)))
648 case VIAFB_SET_PANEL_POSITION:
649 if (copy_from_user(&u.panel_pos_size_para, argp,
650 sizeof(u.panel_pos_size_para)))
653 case VIAFB_SET_PANEL_SIZE:
654 if (copy_from_user(&u.panel_pos_size_para, argp,
655 sizeof(u.panel_pos_size_para)))
666 static void viafb_fillrect(struct fb_info *info,
667 const struct fb_fillrect *rect)
669 struct viafb_par *viapar = info->par;
670 struct viafb_shared *shared = viapar->shared;
674 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
675 cfb_fillrect(info, rect);
679 if (!rect->width || !rect->height)
682 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
683 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
685 fg_color = rect->color;
687 if (rect->rop == ROP_XOR)
692 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
693 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
694 rect->width, rect->height, info->var.bits_per_pixel,
695 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
696 NULL, 0, 0, 0, 0, fg_color, 0, rop))
697 cfb_fillrect(info, rect);
700 static void viafb_copyarea(struct fb_info *info,
701 const struct fb_copyarea *area)
703 struct viafb_par *viapar = info->par;
704 struct viafb_shared *shared = viapar->shared;
706 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
707 cfb_copyarea(info, area);
711 if (!area->width || !area->height)
714 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
715 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
716 area->width, area->height, info->var.bits_per_pixel,
717 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
718 NULL, viapar->vram_addr, info->fix.line_length,
719 area->sx, area->sy, 0, 0, 0))
720 cfb_copyarea(info, area);
723 static void viafb_imageblit(struct fb_info *info,
724 const struct fb_image *image)
726 struct viafb_par *viapar = info->par;
727 struct viafb_shared *shared = viapar->shared;
728 u32 fg_color = 0, bg_color = 0;
731 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
732 (image->depth != 1 && image->depth != viapar->depth)) {
733 cfb_imageblit(info, image);
737 if (image->depth == 1) {
738 op = VIA_BITBLT_MONO;
739 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
741 ((u32 *)info->pseudo_palette)[image->fg_color];
743 ((u32 *)info->pseudo_palette)[image->bg_color];
745 fg_color = image->fg_color;
746 bg_color = image->bg_color;
749 op = VIA_BITBLT_COLOR;
751 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
752 if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
753 image->width, image->height, info->var.bits_per_pixel,
754 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
755 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
756 cfb_imageblit(info, image);
759 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
761 struct viafb_par *viapar = info->par;
762 void __iomem *engine = viapar->shared->vdev->engine_mmio;
763 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
764 chip_name = viapar->shared->chip_info.gfx_chip_name;
765 int i, j = 0, cur_size = 64;
767 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
770 /* LCD ouput does not support hw cursors (at least on VN896) */
771 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
775 viafb_show_hw_cursor(info, HW_Cursor_OFF);
777 if (cursor->set & FB_CUR_SETHOT) {
778 temp = (cursor->hot.x << 16) + cursor->hot.y;
779 writel(temp, engine + VIA_REG_CURSOR_ORG);
782 if (cursor->set & FB_CUR_SETPOS) {
783 yy = cursor->image.dy - info->var.yoffset;
784 xx = cursor->image.dx - info->var.xoffset;
787 writel(temp, engine + VIA_REG_CURSOR_POS);
790 if (cursor->image.width <= 32 && cursor->image.height <= 32)
792 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
795 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
796 "%dx%d", cursor->image.width, cursor->image.height);
800 if (cursor->set & FB_CUR_SETSIZE) {
801 temp = readl(engine + VIA_REG_CURSOR_MODE);
807 writel(temp, engine + VIA_REG_CURSOR_MODE);
810 if (cursor->set & FB_CUR_SETCMAP) {
811 fg_color = cursor->image.fg_color;
812 bg_color = cursor->image.bg_color;
813 if (chip_name == UNICHROME_CX700 ||
814 chip_name == UNICHROME_VX800 ||
815 chip_name == UNICHROME_VX855) {
817 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
818 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
819 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
821 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
822 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
823 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
826 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
827 (info->cmap.green[fg_color] & 0xFF00) |
828 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
830 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
831 (info->cmap.green[bg_color] & 0xFF00) |
832 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
835 writel(bg_color, engine + VIA_REG_CURSOR_BG);
836 writel(fg_color, engine + VIA_REG_CURSOR_FG);
839 if (cursor->set & FB_CUR_SETSHAPE) {
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;
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;
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;
866 switch (cursor->rop) {
868 for (i = 0; i < size; i++)
869 cr_data->data[i] = cursor->mask[i];
873 for (i = 0; i < size; i++)
874 cr_data->data[i] = cursor->mask[i];
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];
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];
896 memcpy_toio(viafbinfo->screen_base + viapar->shared->
897 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
902 viafb_show_hw_cursor(info, HW_Cursor_ON);
907 static int viafb_sync(struct fb_info *info)
909 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
910 viafb_wait_engine_idle(info);
914 static int get_primary_device(void)
916 int primary_device = 0;
917 /* Rule: device on iga1 path are the primary device. */
920 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
921 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
923 crt_setting_info->iga_path);
924 primary_device = CRT_Device;
928 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
929 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
931 tmds_setting_info->iga_path);
932 primary_device = DVI_Device;
936 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
937 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
939 lvds_setting_info->iga_path);
940 primary_device = LCD_Device;
944 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
945 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
947 lvds_setting_info2->iga_path);
948 primary_device = LCD2_Device;
952 return primary_device;
955 static void retrieve_device_setting(struct viafb_ioctl_setting
959 /* get device status */
960 if (viafb_CRT_ON == 1)
961 setting_info->device_status = CRT_Device;
962 if (viafb_DVI_ON == 1)
963 setting_info->device_status |= DVI_Device;
964 if (viafb_LCD_ON == 1)
965 setting_info->device_status |= LCD_Device;
966 if (viafb_LCD2_ON == 1)
967 setting_info->device_status |= LCD2_Device;
969 setting_info->samm_status = viafb_SAMM_ON;
970 setting_info->primary_device = get_primary_device();
972 setting_info->first_dev_bpp = viafb_bpp;
973 setting_info->second_dev_bpp = viafb_bpp1;
975 setting_info->first_dev_refresh = viafb_refresh;
976 setting_info->second_dev_refresh = viafb_refresh1;
978 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
979 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
980 setting_info->second_dev_hor_res = viafb_second_xres;
981 setting_info->second_dev_ver_res = viafb_second_yres;
983 /* Get lcd attributes */
984 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
985 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
986 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
989 static int __init parse_active_dev(void)
991 viafb_CRT_ON = STATE_OFF;
992 viafb_DVI_ON = STATE_OFF;
993 viafb_LCD_ON = STATE_OFF;
994 viafb_LCD2_ON = STATE_OFF;
995 /* 1. Modify the active status of devices. */
996 /* 2. Keep the order of devices, so we can set corresponding
997 IGA path to devices in SAMM case. */
998 /* Note: The previous of active_dev is primary device,
999 and the following is secondary device. */
1000 if (!viafb_active_dev) {
1001 viafb_CRT_ON = STATE_ON;
1002 viafb_SAMM_ON = STATE_OFF;
1003 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1005 viafb_CRT_ON = STATE_ON;
1006 viafb_DVI_ON = STATE_ON;
1007 viafb_primary_dev = CRT_Device;
1008 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1010 viafb_CRT_ON = STATE_ON;
1011 viafb_DVI_ON = STATE_ON;
1012 viafb_primary_dev = DVI_Device;
1013 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1015 viafb_CRT_ON = STATE_ON;
1016 viafb_LCD_ON = STATE_ON;
1017 viafb_primary_dev = CRT_Device;
1018 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1020 viafb_CRT_ON = STATE_ON;
1021 viafb_LCD_ON = STATE_ON;
1022 viafb_primary_dev = LCD_Device;
1023 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1025 viafb_DVI_ON = STATE_ON;
1026 viafb_LCD_ON = STATE_ON;
1027 viafb_primary_dev = DVI_Device;
1028 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1030 viafb_DVI_ON = STATE_ON;
1031 viafb_LCD_ON = STATE_ON;
1032 viafb_primary_dev = LCD_Device;
1033 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1034 viafb_LCD_ON = STATE_ON;
1035 viafb_LCD2_ON = STATE_ON;
1036 viafb_primary_dev = LCD_Device;
1037 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1038 viafb_LCD_ON = STATE_ON;
1039 viafb_LCD2_ON = STATE_ON;
1040 viafb_primary_dev = LCD2_Device;
1041 } else if (!strcmp(viafb_active_dev, "CRT")) {
1043 viafb_CRT_ON = STATE_ON;
1044 viafb_SAMM_ON = STATE_OFF;
1045 } else if (!strcmp(viafb_active_dev, "DVI")) {
1047 viafb_DVI_ON = STATE_ON;
1048 viafb_SAMM_ON = STATE_OFF;
1049 } else if (!strcmp(viafb_active_dev, "LCD")) {
1051 viafb_LCD_ON = STATE_ON;
1052 viafb_SAMM_ON = STATE_OFF;
1059 static int __devinit parse_port(char *opt_str, int *output_interface)
1061 if (!strncmp(opt_str, "DVP0", 4))
1062 *output_interface = INTERFACE_DVP0;
1063 else if (!strncmp(opt_str, "DVP1", 4))
1064 *output_interface = INTERFACE_DVP1;
1065 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1066 *output_interface = INTERFACE_DFP;
1067 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1068 *output_interface = INTERFACE_DFP_HIGH;
1069 else if (!strncmp(opt_str, "DFP_LOW", 7))
1070 *output_interface = INTERFACE_DFP_LOW;
1072 *output_interface = INTERFACE_NONE;
1076 static void __devinit parse_lcd_port(void)
1078 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1080 /*Initialize to avoid unexpected behavior */
1081 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1084 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1085 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1089 static void __devinit parse_dvi_port(void)
1091 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1094 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1095 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1099 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1102 * The proc filesystem read/write function, a simple proc implement to
1103 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1104 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1105 * CR9B, SR65, CR97, CR99
1107 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1109 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1111 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1112 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1114 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1115 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1116 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1117 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1121 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1123 return single_open(file, viafb_dvp0_proc_show, NULL);
1126 static ssize_t viafb_dvp0_proc_write(struct file *file,
1127 const char __user *buffer, size_t count, loff_t *pos)
1129 char buf[20], *value, *pbuf;
1131 unsigned long length, i;
1134 length = count > 20 ? 20 : count;
1135 if (copy_from_user(&buf[0], buffer, length))
1137 buf[length - 1] = '\0'; /*Ensure end string */
1139 for (i = 0; i < 3; i++) {
1140 value = strsep(&pbuf, " ");
1141 if (value != NULL) {
1142 strict_strtoul(value, 0, (unsigned long *)®_val);
1143 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1147 viafb_write_reg_mask(CR96, VIACR,
1151 viafb_write_reg_mask(SR2A, VIASR,
1152 reg_val << 4, BIT5);
1153 viafb_write_reg_mask(SR1B, VIASR,
1154 reg_val << 1, BIT1);
1157 viafb_write_reg_mask(SR2A, VIASR,
1158 reg_val << 3, BIT4);
1159 viafb_write_reg_mask(SR1E, VIASR,
1160 reg_val << 2, BIT2);
1172 static const struct file_operations viafb_dvp0_proc_fops = {
1173 .owner = THIS_MODULE,
1174 .open = viafb_dvp0_proc_open,
1176 .llseek = seq_lseek,
1177 .release = single_release,
1178 .write = viafb_dvp0_proc_write,
1181 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1183 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1184 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1185 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1186 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1187 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1191 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1193 return single_open(file, viafb_dvp1_proc_show, NULL);
1196 static ssize_t viafb_dvp1_proc_write(struct file *file,
1197 const char __user *buffer, size_t count, loff_t *pos)
1199 char buf[20], *value, *pbuf;
1201 unsigned long length, i;
1204 length = count > 20 ? 20 : count;
1205 if (copy_from_user(&buf[0], buffer, length))
1207 buf[length - 1] = '\0'; /*Ensure end string */
1209 for (i = 0; i < 3; i++) {
1210 value = strsep(&pbuf, " ");
1211 if (value != NULL) {
1212 strict_strtoul(value, 0, (unsigned long *)®_val);
1215 viafb_write_reg_mask(CR9B, VIACR,
1219 viafb_write_reg_mask(SR65, VIASR,
1220 reg_val << 2, 0x0c);
1223 viafb_write_reg_mask(SR65, VIASR,
1236 static const struct file_operations viafb_dvp1_proc_fops = {
1237 .owner = THIS_MODULE,
1238 .open = viafb_dvp1_proc_open,
1240 .llseek = seq_lseek,
1241 .release = single_release,
1242 .write = viafb_dvp1_proc_write,
1245 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1248 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1249 seq_printf(m, "%x\n", dfp_high);
1253 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1255 return single_open(file, viafb_dfph_proc_show, NULL);
1258 static ssize_t viafb_dfph_proc_write(struct file *file,
1259 const char __user *buffer, size_t count, loff_t *pos)
1263 unsigned long length;
1266 length = count > 20 ? 20 : count;
1267 if (copy_from_user(&buf[0], buffer, length))
1269 buf[length - 1] = '\0'; /*Ensure end string */
1270 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1271 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1275 static const struct file_operations viafb_dfph_proc_fops = {
1276 .owner = THIS_MODULE,
1277 .open = viafb_dfph_proc_open,
1279 .llseek = seq_lseek,
1280 .release = single_release,
1281 .write = viafb_dfph_proc_write,
1284 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1287 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1288 seq_printf(m, "%x\n", dfp_low);
1292 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1294 return single_open(file, viafb_dfpl_proc_show, NULL);
1297 static ssize_t viafb_dfpl_proc_write(struct file *file,
1298 const char __user *buffer, size_t count, loff_t *pos)
1302 unsigned long length;
1305 length = count > 20 ? 20 : count;
1306 if (copy_from_user(&buf[0], buffer, length))
1308 buf[length - 1] = '\0'; /*Ensure end string */
1309 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1310 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1314 static const struct file_operations viafb_dfpl_proc_fops = {
1315 .owner = THIS_MODULE,
1316 .open = viafb_dfpl_proc_open,
1318 .llseek = seq_lseek,
1319 .release = single_release,
1320 .write = viafb_dfpl_proc_write,
1323 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1325 u8 vt1636_08 = 0, vt1636_09 = 0;
1326 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1329 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1330 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1332 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1333 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1334 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1339 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1342 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1343 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1345 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1346 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1347 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1355 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1357 return single_open(file, viafb_vt1636_proc_show, NULL);
1360 static ssize_t viafb_vt1636_proc_write(struct file *file,
1361 const char __user *buffer, size_t count, loff_t *pos)
1363 char buf[30], *value, *pbuf;
1364 struct IODATA reg_val;
1365 unsigned long length, i;
1368 length = count > 30 ? 30 : count;
1369 if (copy_from_user(&buf[0], buffer, length))
1371 buf[length - 1] = '\0'; /*Ensure end string */
1373 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1375 for (i = 0; i < 2; i++) {
1376 value = strsep(&pbuf, " ");
1377 if (value != NULL) {
1378 strict_strtoul(value, 0,
1379 (unsigned long *)®_val.Data);
1382 reg_val.Index = 0x08;
1383 reg_val.Mask = 0x0f;
1384 viafb_gpio_i2c_write_mask_lvds
1385 (viaparinfo->lvds_setting_info,
1387 chip_info->lvds_chip_info,
1391 reg_val.Index = 0x09;
1392 reg_val.Mask = 0x1f;
1393 viafb_gpio_i2c_write_mask_lvds
1394 (viaparinfo->lvds_setting_info,
1396 chip_info->lvds_chip_info,
1410 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1412 for (i = 0; i < 2; i++) {
1413 value = strsep(&pbuf, " ");
1414 if (value != NULL) {
1415 strict_strtoul(value, 0,
1416 (unsigned long *)®_val.Data);
1419 reg_val.Index = 0x08;
1420 reg_val.Mask = 0x0f;
1421 viafb_gpio_i2c_write_mask_lvds
1422 (viaparinfo->lvds_setting_info2,
1424 chip_info->lvds_chip_info2,
1428 reg_val.Index = 0x09;
1429 reg_val.Mask = 0x1f;
1430 viafb_gpio_i2c_write_mask_lvds
1431 (viaparinfo->lvds_setting_info2,
1433 chip_info->lvds_chip_info2,
1450 static const struct file_operations viafb_vt1636_proc_fops = {
1451 .owner = THIS_MODULE,
1452 .open = viafb_vt1636_proc_open,
1454 .llseek = seq_lseek,
1455 .release = single_release,
1456 .write = viafb_vt1636_proc_write,
1459 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1461 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1463 via_odev_to_seq(m, supported_odev_map[
1464 viaparinfo->shared->chip_info.gfx_chip_name]);
1468 static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
1470 return single_open(file, viafb_sup_odev_proc_show, NULL);
1473 static const struct file_operations viafb_sup_odev_proc_fops = {
1474 .owner = THIS_MODULE,
1475 .open = viafb_sup_odev_proc_open,
1477 .llseek = seq_lseek,
1478 .release = single_release,
1481 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1483 char buf[64], *ptr = buf;
1487 if (count < 1 || count > 63)
1489 if (copy_from_user(&buf[0], buffer, count))
1492 add = buf[0] == '+';
1493 sub = buf[0] == '-';
1496 devices = via_parse_odev(ptr, &ptr);
1510 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1512 via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1516 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1518 return single_open(file, viafb_iga1_odev_proc_show, NULL);
1521 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1522 const char __user *buffer, size_t count, loff_t *pos)
1524 u32 dev_on, dev_off, dev_old, dev_new;
1527 dev_old = dev_new = viaparinfo->shared->iga1_devices;
1528 res = odev_update(buffer, count, &dev_new);
1531 dev_off = dev_old & ~dev_new;
1532 dev_on = dev_new & ~dev_old;
1533 viaparinfo->shared->iga1_devices = dev_new;
1534 viaparinfo->shared->iga2_devices &= ~dev_new;
1535 via_set_state(dev_off, VIA_STATE_OFF);
1536 via_set_source(dev_new, IGA1);
1537 via_set_state(dev_on, VIA_STATE_ON);
1541 static const struct file_operations viafb_iga1_odev_proc_fops = {
1542 .owner = THIS_MODULE,
1543 .open = viafb_iga1_odev_proc_open,
1545 .llseek = seq_lseek,
1546 .release = single_release,
1547 .write = viafb_iga1_odev_proc_write,
1550 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1552 via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1556 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1558 return single_open(file, viafb_iga2_odev_proc_show, NULL);
1561 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1562 const char __user *buffer, size_t count, loff_t *pos)
1564 u32 dev_on, dev_off, dev_old, dev_new;
1567 dev_old = dev_new = viaparinfo->shared->iga2_devices;
1568 res = odev_update(buffer, count, &dev_new);
1571 dev_off = dev_old & ~dev_new;
1572 dev_on = dev_new & ~dev_old;
1573 viaparinfo->shared->iga2_devices = dev_new;
1574 viaparinfo->shared->iga1_devices &= ~dev_new;
1575 via_set_state(dev_off, VIA_STATE_OFF);
1576 via_set_source(dev_new, IGA2);
1577 via_set_state(dev_on, VIA_STATE_ON);
1581 static const struct file_operations viafb_iga2_odev_proc_fops = {
1582 .owner = THIS_MODULE,
1583 .open = viafb_iga2_odev_proc_open,
1585 .llseek = seq_lseek,
1586 .release = single_release,
1587 .write = viafb_iga2_odev_proc_write,
1590 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1591 static void viafb_init_proc(struct viafb_shared *shared)
1593 struct proc_dir_entry *iga1_entry, *iga2_entry,
1594 *viafb_entry = proc_mkdir("viafb", NULL);
1596 shared->proc_entry = viafb_entry;
1598 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1599 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
1600 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
1601 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
1602 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
1603 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1604 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1605 proc_create("vt1636", 0, viafb_entry,
1606 &viafb_vt1636_proc_fops);
1607 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1609 proc_create("supported_output_devices", 0, viafb_entry,
1610 &viafb_sup_odev_proc_fops);
1611 iga1_entry = proc_mkdir("iga1", viafb_entry);
1612 shared->iga1_proc_entry = iga1_entry;
1613 proc_create("output_devices", 0, iga1_entry,
1614 &viafb_iga1_odev_proc_fops);
1615 iga2_entry = proc_mkdir("iga2", viafb_entry);
1616 shared->iga2_proc_entry = iga2_entry;
1617 proc_create("output_devices", 0, iga2_entry,
1618 &viafb_iga2_odev_proc_fops);
1621 static void viafb_remove_proc(struct viafb_shared *shared)
1623 struct proc_dir_entry *viafb_entry = shared->proc_entry,
1624 *iga1_entry = shared->iga1_proc_entry,
1625 *iga2_entry = shared->iga2_proc_entry;
1630 remove_proc_entry("output_devices", iga2_entry);
1631 remove_proc_entry("iga2", viafb_entry);
1632 remove_proc_entry("output_devices", iga1_entry);
1633 remove_proc_entry("iga1", viafb_entry);
1634 remove_proc_entry("supported_output_devices", viafb_entry);
1636 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1637 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1638 remove_proc_entry("dvp1", viafb_entry);
1639 remove_proc_entry("dfph", viafb_entry);
1640 remove_proc_entry("dfpl", viafb_entry);
1641 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1642 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1643 remove_proc_entry("vt1636", viafb_entry);
1644 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1646 remove_proc_entry("viafb", NULL);
1650 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1660 *xres = simple_strtoul(str, &ptr, 10);
1664 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1673 int viafb_suspend(struct pci_dev *pdev, pm_message_t state)
1675 if (state.event == PM_EVENT_SUSPEND) {
1676 acquire_console_sem();
1678 memcpy_fromio(viaparinfo->shared->saved_regs,
1679 viaparinfo->shared->vdev->engine_mmio + 0x100,
1680 0xff * sizeof(u32));
1682 fb_set_suspend(viafbinfo, 1);
1684 viafb_sync(viafbinfo);
1686 pci_save_state(pdev);
1687 pci_disable_device(pdev);
1688 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1689 release_console_sem();
1695 int viafb_resume(struct pci_dev *pdev)
1697 acquire_console_sem();
1698 pci_set_power_state(pdev, PCI_D0);
1699 pci_restore_state(pdev);
1700 if (pci_enable_device(pdev))
1702 pci_set_master(pdev);
1704 memcpy_toio(viaparinfo->shared->vdev->engine_mmio + 0x100,
1705 viaparinfo->shared->saved_regs,
1706 0x100 * sizeof(u32));
1708 fb_set_suspend(viafbinfo, 0);
1711 release_console_sem();
1718 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1720 u32 default_xres, default_yres;
1721 struct VideoModeTable *vmode_entry;
1722 struct fb_var_screeninfo default_var;
1724 u32 viafb_par_length;
1726 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1727 memset(&default_var, 0, sizeof(default_var));
1728 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1730 /* Allocate fb_info and ***_par here, also including some other needed
1733 viafbinfo = framebuffer_alloc(viafb_par_length +
1734 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1737 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
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->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1750 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1757 viafb_init_chip_info(vdev->chip_type);
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.
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;
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;
1775 viafbinfo->pseudo_palette = pseudo_pal;
1776 if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1777 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1778 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1779 default_var.accel_flags = FB_ACCELF_TEXT;
1781 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1782 default_var.accel_flags = 0;
1785 if (viafb_second_size && (viafb_second_size < 8)) {
1786 viafb_second_offset = viaparinfo->fbmem_free -
1787 viafb_second_size * 1024 * 1024;
1789 viafb_second_size = 8;
1790 viafb_second_offset = viaparinfo->fbmem_free -
1791 viafb_second_size * 1024 * 1024;
1794 parse_mode(viafb_mode, &default_xres, &default_yres);
1795 vmode_entry = viafb_get_mode(default_xres, default_yres);
1796 if (viafb_SAMM_ON == 1) {
1797 parse_mode(viafb_mode1, &viafb_second_xres,
1798 &viafb_second_yres);
1800 viafb_second_virtual_xres = viafb_second_xres;
1801 viafb_second_virtual_yres = viafb_second_yres;
1804 default_var.xres = default_xres;
1805 default_var.yres = default_yres;
1806 default_var.xres_virtual = default_xres;
1807 default_var.yres_virtual = default_yres;
1808 default_var.bits_per_pixel = viafb_bpp;
1809 default_var.pixclock =
1810 viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1811 default_var.left_margin = (default_xres >> 3) & 0xf8;
1812 default_var.right_margin = 32;
1813 default_var.upper_margin = 16;
1814 default_var.lower_margin = 4;
1815 default_var.hsync_len = default_var.left_margin;
1816 default_var.vsync_len = 4;
1817 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1818 viafbinfo->var = default_var;
1820 if (viafb_dual_fb) {
1821 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1825 "allocate the second framebuffer struct error\n");
1827 goto out_fb_release;
1829 viaparinfo1 = viafbinfo1->par;
1830 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1831 viaparinfo1->vram_addr = viafb_second_offset;
1832 viaparinfo1->memsize = viaparinfo->memsize -
1833 viafb_second_offset;
1834 viaparinfo->memsize = viafb_second_offset;
1835 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1837 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1838 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1839 viaparinfo1->fbmem_used;
1840 viaparinfo->fbmem_free = viaparinfo->memsize;
1841 viaparinfo->fbmem_used = 0;
1843 viaparinfo->iga_path = IGA1;
1844 viaparinfo1->iga_path = IGA2;
1845 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1846 viafbinfo1->par = viaparinfo1;
1847 viafbinfo1->screen_base = viafbinfo->screen_base +
1848 viafb_second_offset;
1850 default_var.xres = viafb_second_xres;
1851 default_var.yres = viafb_second_yres;
1852 default_var.xres_virtual = viafb_second_virtual_xres;
1853 default_var.yres_virtual = viafb_second_virtual_yres;
1854 default_var.bits_per_pixel = viafb_bpp1;
1855 default_var.pixclock =
1856 viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1858 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1859 default_var.right_margin = 32;
1860 default_var.upper_margin = 16;
1861 default_var.lower_margin = 4;
1862 default_var.hsync_len = default_var.left_margin;
1863 default_var.vsync_len = 4;
1865 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1866 viafb_check_var(&default_var, viafbinfo1);
1867 viafbinfo1->var = default_var;
1868 viafb_update_fix(viafbinfo1);
1869 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1873 viafb_check_var(&viafbinfo->var, viafbinfo);
1874 viafb_update_fix(viafbinfo);
1875 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1877 default_var.activate = FB_ACTIVATE_NOW;
1878 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1880 goto out_fb1_release;
1882 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1883 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1884 rc = register_framebuffer(viafbinfo1);
1886 goto out_dealloc_cmap;
1888 rc = register_framebuffer(viafbinfo);
1890 goto out_fb1_unreg_lcd_cle266;
1892 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1893 || (viaparinfo->chip_info->gfx_chip_name !=
1894 UNICHROME_CLE266))) {
1895 rc = register_framebuffer(viafbinfo1);
1899 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1900 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1901 default_var.yres, default_var.bits_per_pixel);
1903 viafb_init_proc(viaparinfo->shared);
1904 viafb_init_dac(IGA2);
1908 unregister_framebuffer(viafbinfo);
1909 out_fb1_unreg_lcd_cle266:
1910 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1911 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1912 unregister_framebuffer(viafbinfo1);
1914 fb_dealloc_cmap(&viafbinfo->cmap);
1917 framebuffer_release(viafbinfo1);
1919 framebuffer_release(viafbinfo);
1923 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1925 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1926 fb_dealloc_cmap(&viafbinfo->cmap);
1927 unregister_framebuffer(viafbinfo);
1929 unregister_framebuffer(viafbinfo1);
1930 viafb_remove_proc(viaparinfo->shared);
1931 framebuffer_release(viafbinfo);
1933 framebuffer_release(viafbinfo1);
1937 static int __init viafb_setup(char *options)
1940 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1942 if (!options || !*options)
1945 while ((this_opt = strsep(&options, ",")) != NULL) {
1949 if (!strncmp(this_opt, "viafb_mode1=", 12))
1950 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1951 else if (!strncmp(this_opt, "viafb_mode=", 11))
1952 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1953 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1954 strict_strtoul(this_opt + 11, 0,
1955 (unsigned long *)&viafb_bpp1);
1956 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1957 strict_strtoul(this_opt + 10, 0,
1958 (unsigned long *)&viafb_bpp);
1959 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1960 strict_strtoul(this_opt + 15, 0,
1961 (unsigned long *)&viafb_refresh1);
1962 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1963 strict_strtoul(this_opt + 14, 0,
1964 (unsigned long *)&viafb_refresh);
1965 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1966 strict_strtoul(this_opt + 21, 0,
1967 (unsigned long *)&viafb_lcd_dsp_method);
1968 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1969 strict_strtoul(this_opt + 19, 0,
1970 (unsigned long *)&viafb_lcd_panel_id);
1971 else if (!strncmp(this_opt, "viafb_accel=", 12))
1972 strict_strtoul(this_opt + 12, 0,
1973 (unsigned long *)&viafb_accel);
1974 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1975 strict_strtoul(this_opt + 14, 0,
1976 (unsigned long *)&viafb_SAMM_ON);
1977 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
1978 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1979 else if (!strncmp(this_opt,
1980 "viafb_display_hardware_layout=", 30))
1981 strict_strtoul(this_opt + 30, 0,
1982 (unsigned long *)&viafb_display_hardware_layout);
1983 else if (!strncmp(this_opt, "viafb_second_size=", 18))
1984 strict_strtoul(this_opt + 18, 0,
1985 (unsigned long *)&viafb_second_size);
1986 else if (!strncmp(this_opt,
1987 "viafb_platform_epia_dvi=", 24))
1988 strict_strtoul(this_opt + 24, 0,
1989 (unsigned long *)&viafb_platform_epia_dvi);
1990 else if (!strncmp(this_opt,
1991 "viafb_device_lcd_dualedge=", 26))
1992 strict_strtoul(this_opt + 26, 0,
1993 (unsigned long *)&viafb_device_lcd_dualedge);
1994 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
1995 strict_strtoul(this_opt + 16, 0,
1996 (unsigned long *)&viafb_bus_width);
1997 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
1998 strict_strtoul(this_opt + 15, 0,
1999 (unsigned long *)&viafb_lcd_mode);
2000 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2001 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2002 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2003 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2010 * These are called out of via-core for now.
2012 int __init viafb_init(void)
2016 char *option = NULL;
2017 if (fb_get_options("viafb", &option))
2019 viafb_setup(option);
2021 if (parse_mode(viafb_mode, &dummy, &dummy)
2022 || parse_mode(viafb_mode1, &dummy, &dummy)
2023 || viafb_bpp < 0 || viafb_bpp > 32
2024 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2025 || parse_active_dev())
2029 "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2030 VERSION_MAJOR, VERSION_MINOR);
2034 void __exit viafb_exit(void)
2036 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2039 static struct fb_ops viafb_ops = {
2040 .owner = THIS_MODULE,
2041 .fb_open = viafb_open,
2042 .fb_release = viafb_release,
2043 .fb_check_var = viafb_check_var,
2044 .fb_set_par = viafb_set_par,
2045 .fb_setcolreg = viafb_setcolreg,
2046 .fb_pan_display = viafb_pan_display,
2047 .fb_blank = viafb_blank,
2048 .fb_fillrect = viafb_fillrect,
2049 .fb_copyarea = viafb_copyarea,
2050 .fb_imageblit = viafb_imageblit,
2051 .fb_cursor = viafb_cursor,
2052 .fb_ioctl = viafb_ioctl,
2053 .fb_sync = viafb_sync,
2058 module_param(viafb_mode, charp, S_IRUSR);
2059 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2061 module_param(viafb_mode1, charp, S_IRUSR);
2062 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2064 module_param(viafb_bpp, int, S_IRUSR);
2065 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2067 module_param(viafb_bpp1, int, S_IRUSR);
2068 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2070 module_param(viafb_refresh, int, S_IRUSR);
2071 MODULE_PARM_DESC(viafb_refresh,
2072 "Set CRT viafb_refresh rate (default = 60)");
2074 module_param(viafb_refresh1, int, S_IRUSR);
2075 MODULE_PARM_DESC(viafb_refresh1,
2076 "Set CRT refresh rate (default = 60)");
2078 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2079 MODULE_PARM_DESC(viafb_lcd_panel_id,
2080 "Set Flat Panel type(Default=1024x768)");
2082 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2083 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2084 "Set Flat Panel display scaling method.(Default=Expandsion)");
2086 module_param(viafb_SAMM_ON, int, S_IRUSR);
2087 MODULE_PARM_DESC(viafb_SAMM_ON,
2088 "Turn on/off flag of SAMM(Default=OFF)");
2090 module_param(viafb_accel, int, S_IRUSR);
2091 MODULE_PARM_DESC(viafb_accel,
2092 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2094 module_param(viafb_active_dev, charp, S_IRUSR);
2095 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2097 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2098 MODULE_PARM_DESC(viafb_display_hardware_layout,
2099 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2101 module_param(viafb_second_size, int, S_IRUSR);
2102 MODULE_PARM_DESC(viafb_second_size,
2103 "Set secondary device memory size");
2105 module_param(viafb_dual_fb, int, S_IRUSR);
2106 MODULE_PARM_DESC(viafb_dual_fb,
2107 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2109 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2110 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2111 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2113 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2114 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2115 "Turn on/off flag of dual edge panel.(Default = OFF)");
2117 module_param(viafb_bus_width, int, S_IRUSR);
2118 MODULE_PARM_DESC(viafb_bus_width,
2119 "Set bus width of panel.(Default = 12)");
2121 module_param(viafb_lcd_mode, int, S_IRUSR);
2122 MODULE_PARM_DESC(viafb_lcd_mode,
2123 "Set Flat Panel mode(Default=OPENLDI)");
2125 module_param(viafb_lcd_port, charp, S_IRUSR);
2126 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2128 module_param(viafb_dvi_port, charp, S_IRUSR);
2129 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2131 MODULE_LICENSE("GPL");