]> git.openfabrics.org - ~shefty/rdma-dev.git/blob - drivers/video/via/viafbdev.c
viafb: probe cleanups
[~shefty/rdma-dev.git] / drivers / video / via / viafbdev.c
1 /*
2  * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public
7  * License as published by the Free Software Foundation;
8  * either version 2, or (at your option) any later version.
9
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
13  * A PARTICULAR PURPOSE.See the GNU General Public License
14  * for more details.
15
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc.,
19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */
21
22 #include <linux/module.h>
23 #include <linux/seq_file.h>
24 #include <linux/slab.h>
25 #include <linux/stat.h>
26 #include <linux/via-core.h>
27
28 #define _MASTER_FILE
29 #include "global.h"
30
31 static char *viafb_name = "Via";
32 static u32 pseudo_pal[17];
33
34 /* video mode */
35 static char *viafb_mode;
36 static char *viafb_mode1;
37 static int viafb_bpp = 32;
38 static int viafb_bpp1 = 32;
39
40 static unsigned int viafb_second_offset;
41 static int viafb_second_size;
42
43 static int viafb_accel = 1;
44
45 /* Added for specifying active devices.*/
46 char *viafb_active_dev;
47
48 /*Added for specify lcd output port*/
49 char *viafb_lcd_port = "";
50 char *viafb_dvi_port = "";
51
52 static void retrieve_device_setting(struct viafb_ioctl_setting
53         *setting_info);
54 static int viafb_pan_display(struct fb_var_screeninfo *var,
55         struct fb_info *info);
56
57 static struct fb_ops viafb_ops;
58
59
60 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
61 {
62         var->grayscale = 0;
63         var->red.msb_right = 0;
64         var->green.msb_right = 0;
65         var->blue.msb_right = 0;
66         var->transp.offset = 0;
67         var->transp.length = 0;
68         var->transp.msb_right = 0;
69         var->nonstd = 0;
70         switch (depth) {
71         case 8:
72                 var->bits_per_pixel = 8;
73                 var->red.offset = 0;
74                 var->green.offset = 0;
75                 var->blue.offset = 0;
76                 var->red.length = 8;
77                 var->green.length = 8;
78                 var->blue.length = 8;
79                 break;
80         case 15:
81                 var->bits_per_pixel = 16;
82                 var->red.offset = 10;
83                 var->green.offset = 5;
84                 var->blue.offset = 0;
85                 var->red.length = 5;
86                 var->green.length = 5;
87                 var->blue.length = 5;
88                 break;
89         case 16:
90                 var->bits_per_pixel = 16;
91                 var->red.offset = 11;
92                 var->green.offset = 5;
93                 var->blue.offset = 0;
94                 var->red.length = 5;
95                 var->green.length = 6;
96                 var->blue.length = 5;
97                 break;
98         case 24:
99                 var->bits_per_pixel = 32;
100                 var->red.offset = 16;
101                 var->green.offset = 8;
102                 var->blue.offset = 0;
103                 var->red.length = 8;
104                 var->green.length = 8;
105                 var->blue.length = 8;
106                 break;
107         case 30:
108                 var->bits_per_pixel = 32;
109                 var->red.offset = 20;
110                 var->green.offset = 10;
111                 var->blue.offset = 0;
112                 var->red.length = 10;
113                 var->green.length = 10;
114                 var->blue.length = 10;
115                 break;
116         }
117 }
118
119 static void viafb_update_fix(struct fb_info *info)
120 {
121         u32 bpp = info->var.bits_per_pixel;
122
123         info->fix.visual =
124                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
125         info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
126 }
127
128 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
129         struct viafb_par *viaparinfo)
130 {
131         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
132         strcpy(fix->id, viafb_name);
133
134         fix->smem_start = viaparinfo->fbmem;
135         fix->smem_len = viaparinfo->fbmem_free;
136
137         fix->type = FB_TYPE_PACKED_PIXELS;
138         fix->type_aux = 0;
139         fix->visual = FB_VISUAL_TRUECOLOR;
140
141         fix->xpanstep = fix->ywrapstep = 0;
142         fix->ypanstep = 1;
143
144         /* Just tell the accel name */
145         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
146 }
147 static int viafb_open(struct fb_info *info, int user)
148 {
149         DEBUG_MSG(KERN_INFO "viafb_open!\n");
150         return 0;
151 }
152
153 static int viafb_release(struct fb_info *info, int user)
154 {
155         DEBUG_MSG(KERN_INFO "viafb_release!\n");
156         return 0;
157 }
158
159 static int viafb_check_var(struct fb_var_screeninfo *var,
160         struct fb_info *info)
161 {
162         int htotal, vtotal, depth;
163         struct VideoModeTable *vmode_entry;
164         struct viafb_par *ppar = info->par;
165         u32 long_refresh, line;
166
167         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
168         /* Sanity check */
169         /* HW neither support interlacte nor double-scaned mode */
170         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
171                 return -EINVAL;
172
173         vmode_entry = viafb_get_mode(var->xres, var->yres);
174         if (!vmode_entry) {
175                 DEBUG_MSG(KERN_INFO
176                           "viafb: Mode %dx%dx%d not supported!!\n",
177                           var->xres, var->yres, var->bits_per_pixel);
178                 return -EINVAL;
179         }
180
181         depth = fb_get_color_depth(var, &info->fix);
182         if (!depth)
183                 depth = var->bits_per_pixel;
184
185         if (depth < 0 || depth > 32)
186                 return -EINVAL;
187         else if (!depth)
188                 depth = 24;
189         else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
190                 depth = 15;
191         else if (depth == 30)
192                 depth = 30;
193         else if (depth <= 8)
194                 depth = 8;
195         else if (depth <= 16)
196                 depth = 16;
197         else
198                 depth = 24;
199
200         viafb_fill_var_color_info(var, depth);
201         line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
202         if (line * var->yres_virtual > ppar->memsize)
203                 return -EINVAL;
204
205         /* Based on var passed in to calculate the refresh,
206          * because our driver use some modes special.
207          */
208         htotal = var->xres + var->left_margin +
209         var->right_margin + var->hsync_len;
210         vtotal = var->yres + var->upper_margin +
211                 var->lower_margin + var->vsync_len;
212         long_refresh = 1000000000UL / var->pixclock * 1000;
213         long_refresh /= (htotal * vtotal);
214
215         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
216
217         /* Adjust var according to our driver's own table */
218         viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
219         if (info->var.accel_flags & FB_ACCELF_TEXT &&
220                 !ppar->shared->vdev->engine_mmio)
221                 info->var.accel_flags = 0;
222
223         return 0;
224 }
225
226 static int viafb_set_par(struct fb_info *info)
227 {
228         struct viafb_par *viapar = info->par;
229         struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
230         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
231
232         viafb_update_fix(info);
233         viapar->depth = fb_get_color_depth(&info->var, &info->fix);
234         viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
235                 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
236
237         vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
238         if (viafb_dual_fb) {
239                 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
240                         viafbinfo1->var.yres);
241                 viafb_update_device_setting(viafbinfo1->var.xres,
242                         viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
243                         viafb_refresh1, 1);
244         } else if (viafb_SAMM_ON == 1) {
245                 DEBUG_MSG(KERN_INFO
246                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
247                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
248                 vmode_entry1 = viafb_get_mode(viafb_second_xres,
249                         viafb_second_yres);
250
251                 viafb_update_device_setting(viafb_second_xres,
252                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
253         }
254
255         if (vmode_entry) {
256                 if (viafb_dual_fb && viapar->iga_path == IGA2)
257                         viafb_bpp1 = info->var.bits_per_pixel;
258                 else
259                         viafb_bpp = info->var.bits_per_pixel;
260
261                 if (info->var.accel_flags & FB_ACCELF_TEXT)
262                         info->flags &= ~FBINFO_HWACCEL_DISABLED;
263                 else
264                         info->flags |= FBINFO_HWACCEL_DISABLED;
265                 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
266                         vmode_entry1, viafb_bpp1);
267                 viafb_pan_display(&info->var, info);
268         }
269
270         return 0;
271 }
272
273 /* Set one color register */
274 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
275 unsigned blue, unsigned transp, struct fb_info *info)
276 {
277         struct viafb_par *viapar = info->par;
278         u32 r, g, b;
279
280         if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
281                 if (regno > 255)
282                         return -EINVAL;
283
284                 if (!viafb_dual_fb || viapar->iga_path == IGA1)
285                         viafb_set_primary_color_register(regno, red >> 8,
286                                 green >> 8, blue >> 8);
287
288                 if (!viafb_dual_fb || viapar->iga_path == IGA2)
289                         viafb_set_secondary_color_register(regno, red >> 8,
290                                 green >> 8, blue >> 8);
291         } else {
292                 if (regno > 15)
293                         return -EINVAL;
294
295                 r = (red >> (16 - info->var.red.length))
296                         << info->var.red.offset;
297                 b = (blue >> (16 - info->var.blue.length))
298                         << info->var.blue.offset;
299                 g = (green >> (16 - info->var.green.length))
300                         << info->var.green.offset;
301                 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
302         }
303
304         return 0;
305 }
306
307 static int viafb_pan_display(struct fb_var_screeninfo *var,
308         struct fb_info *info)
309 {
310         struct viafb_par *viapar = info->par;
311         u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
312                 * (var->bits_per_pixel / 8) + viapar->vram_addr;
313
314         DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
315         if (!viafb_dual_fb) {
316                 via_set_primary_address(vram_addr);
317                 via_set_secondary_address(vram_addr);
318         } else if (viapar->iga_path == IGA1)
319                 via_set_primary_address(vram_addr);
320         else
321                 via_set_secondary_address(vram_addr);
322
323         return 0;
324 }
325
326 static int viafb_blank(int blank_mode, struct fb_info *info)
327 {
328         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
329         /* clear DPMS setting */
330
331         switch (blank_mode) {
332         case FB_BLANK_UNBLANK:
333                 /* Screen: On, HSync: On, VSync: On */
334                 /* control CRT monitor power management */
335                 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
336                 break;
337         case FB_BLANK_HSYNC_SUSPEND:
338                 /* Screen: Off, HSync: Off, VSync: On */
339                 /* control CRT monitor power management */
340                 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
341                 break;
342         case FB_BLANK_VSYNC_SUSPEND:
343                 /* Screen: Off, HSync: On, VSync: Off */
344                 /* control CRT monitor power management */
345                 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
346                 break;
347         case FB_BLANK_POWERDOWN:
348                 /* Screen: Off, HSync: Off, VSync: Off */
349                 /* control CRT monitor power management */
350                 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
351                 break;
352         }
353
354         return 0;
355 }
356
357 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
358 {
359         union {
360                 struct viafb_ioctl_mode viamode;
361                 struct viafb_ioctl_samm viasamm;
362                 struct viafb_driver_version driver_version;
363                 struct fb_var_screeninfo sec_var;
364                 struct _panel_size_pos_info panel_pos_size_para;
365                 struct viafb_ioctl_setting viafb_setting;
366                 struct device_t active_dev;
367         } u;
368         u32 state_info = 0;
369         u32 *viafb_gamma_table;
370         char driver_name[] = "viafb";
371
372         u32 __user *argp = (u32 __user *) arg;
373         u32 gpu32;
374
375         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
376         printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
377         memset(&u, 0, sizeof(u));
378
379         switch (cmd) {
380         case VIAFB_GET_CHIP_INFO:
381                 if (copy_to_user(argp, viaparinfo->chip_info,
382                                 sizeof(struct chip_information)))
383                         return -EFAULT;
384                 break;
385         case VIAFB_GET_INFO_SIZE:
386                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
387         case VIAFB_GET_INFO:
388                 return viafb_ioctl_get_viafb_info(arg);
389         case VIAFB_HOTPLUG:
390                 return put_user(viafb_ioctl_hotplug(info->var.xres,
391                                               info->var.yres,
392                                               info->var.bits_per_pixel), argp);
393         case VIAFB_SET_HOTPLUG_FLAG:
394                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
395                         return -EFAULT;
396                 viafb_hotplug = (gpu32) ? 1 : 0;
397                 break;
398         case VIAFB_GET_RESOLUTION:
399                 u.viamode.xres = (u32) viafb_hotplug_Xres;
400                 u.viamode.yres = (u32) viafb_hotplug_Yres;
401                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
402                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
403                 if (viafb_SAMM_ON == 1) {
404                         u.viamode.xres_sec = viafb_second_xres;
405                         u.viamode.yres_sec = viafb_second_yres;
406                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
407                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
408                         u.viamode.refresh_sec = viafb_refresh1;
409                         u.viamode.bpp_sec = viafb_bpp1;
410                 } else {
411                         u.viamode.xres_sec = 0;
412                         u.viamode.yres_sec = 0;
413                         u.viamode.virtual_xres_sec = 0;
414                         u.viamode.virtual_yres_sec = 0;
415                         u.viamode.refresh_sec = 0;
416                         u.viamode.bpp_sec = 0;
417                 }
418                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
419                         return -EFAULT;
420                 break;
421         case VIAFB_GET_SAMM_INFO:
422                 u.viasamm.samm_status = viafb_SAMM_ON;
423
424                 if (viafb_SAMM_ON == 1) {
425                         if (viafb_dual_fb) {
426                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
427                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
428                         } else {
429                                 if (viafb_second_size) {
430                                         u.viasamm.size_prim =
431                                             viaparinfo->fbmem_free -
432                                             viafb_second_size * 1024 * 1024;
433                                         u.viasamm.size_sec =
434                                             viafb_second_size * 1024 * 1024;
435                                 } else {
436                                         u.viasamm.size_prim =
437                                             viaparinfo->fbmem_free >> 1;
438                                         u.viasamm.size_sec =
439                                             (viaparinfo->fbmem_free >> 1);
440                                 }
441                         }
442                         u.viasamm.mem_base = viaparinfo->fbmem;
443                         u.viasamm.offset_sec = viafb_second_offset;
444                 } else {
445                         u.viasamm.size_prim =
446                             viaparinfo->memsize - viaparinfo->fbmem_used;
447                         u.viasamm.size_sec = 0;
448                         u.viasamm.mem_base = viaparinfo->fbmem;
449                         u.viasamm.offset_sec = 0;
450                 }
451
452                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
453                         return -EFAULT;
454
455                 break;
456         case VIAFB_TURN_ON_OUTPUT_DEVICE:
457                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
458                         return -EFAULT;
459                 if (gpu32 & CRT_Device)
460                         viafb_crt_enable();
461                 if (gpu32 & DVI_Device)
462                         viafb_dvi_enable();
463                 if (gpu32 & LCD_Device)
464                         viafb_lcd_enable();
465                 break;
466         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
467                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
468                         return -EFAULT;
469                 if (gpu32 & CRT_Device)
470                         viafb_crt_disable();
471                 if (gpu32 & DVI_Device)
472                         viafb_dvi_disable();
473                 if (gpu32 & LCD_Device)
474                         viafb_lcd_disable();
475                 break;
476         case VIAFB_GET_DEVICE:
477                 u.active_dev.crt = viafb_CRT_ON;
478                 u.active_dev.dvi = viafb_DVI_ON;
479                 u.active_dev.lcd = viafb_LCD_ON;
480                 u.active_dev.samm = viafb_SAMM_ON;
481                 u.active_dev.primary_dev = viafb_primary_dev;
482
483                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
484                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
485                 u.active_dev.lcd_mode = viafb_lcd_mode;
486
487                 u.active_dev.xres = viafb_hotplug_Xres;
488                 u.active_dev.yres = viafb_hotplug_Yres;
489
490                 u.active_dev.xres1 = viafb_second_xres;
491                 u.active_dev.yres1 = viafb_second_yres;
492
493                 u.active_dev.bpp = viafb_bpp;
494                 u.active_dev.bpp1 = viafb_bpp1;
495                 u.active_dev.refresh = viafb_refresh;
496                 u.active_dev.refresh1 = viafb_refresh1;
497
498                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
499                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
500                 u.active_dev.bus_width = viafb_bus_width;
501
502                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
503                         return -EFAULT;
504                 break;
505
506         case VIAFB_GET_DRIVER_VERSION:
507                 u.driver_version.iMajorNum = VERSION_MAJOR;
508                 u.driver_version.iKernelNum = VERSION_KERNEL;
509                 u.driver_version.iOSNum = VERSION_OS;
510                 u.driver_version.iMinorNum = VERSION_MINOR;
511
512                 if (copy_to_user(argp, &u.driver_version,
513                         sizeof(u.driver_version)))
514                         return -EFAULT;
515
516                 break;
517
518         case VIAFB_GET_DEVICE_INFO:
519
520                 retrieve_device_setting(&u.viafb_setting);
521
522                 if (copy_to_user(argp, &u.viafb_setting,
523                                  sizeof(u.viafb_setting)))
524                         return -EFAULT;
525
526                 break;
527
528         case VIAFB_GET_DEVICE_SUPPORT:
529                 viafb_get_device_support_state(&state_info);
530                 if (put_user(state_info, argp))
531                         return -EFAULT;
532                 break;
533
534         case VIAFB_GET_DEVICE_CONNECT:
535                 viafb_get_device_connect_state(&state_info);
536                 if (put_user(state_info, argp))
537                         return -EFAULT;
538                 break;
539
540         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
541                 state_info =
542                     viafb_lcd_get_support_expand_state(info->var.xres,
543                                                  info->var.yres);
544                 if (put_user(state_info, argp))
545                         return -EFAULT;
546                 break;
547
548         case VIAFB_GET_DRIVER_NAME:
549                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
550                         return -EFAULT;
551                 break;
552
553         case VIAFB_SET_GAMMA_LUT:
554                 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
555                 if (IS_ERR(viafb_gamma_table))
556                         return PTR_ERR(viafb_gamma_table);
557                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
558                 kfree(viafb_gamma_table);
559                 break;
560
561         case VIAFB_GET_GAMMA_LUT:
562                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
563                 if (!viafb_gamma_table)
564                         return -ENOMEM;
565                 viafb_get_gamma_table(viafb_gamma_table);
566                 if (copy_to_user(argp, viafb_gamma_table,
567                         256 * sizeof(u32))) {
568                         kfree(viafb_gamma_table);
569                         return -EFAULT;
570                 }
571                 kfree(viafb_gamma_table);
572                 break;
573
574         case VIAFB_GET_GAMMA_SUPPORT_STATE:
575                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
576                 if (put_user(state_info, argp))
577                         return -EFAULT;
578                 break;
579         case VIAFB_SYNC_SURFACE:
580                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
581                 break;
582         case VIAFB_GET_DRIVER_CAPS:
583                 break;
584
585         case VIAFB_GET_PANEL_MAX_SIZE:
586                 if (copy_from_user(&u.panel_pos_size_para, argp,
587                                    sizeof(u.panel_pos_size_para)))
588                         return -EFAULT;
589                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
590                 if (copy_to_user(argp, &u.panel_pos_size_para,
591                      sizeof(u.panel_pos_size_para)))
592                         return -EFAULT;
593                 break;
594         case VIAFB_GET_PANEL_MAX_POSITION:
595                 if (copy_from_user(&u.panel_pos_size_para, argp,
596                                    sizeof(u.panel_pos_size_para)))
597                         return -EFAULT;
598                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
599                 if (copy_to_user(argp, &u.panel_pos_size_para,
600                                  sizeof(u.panel_pos_size_para)))
601                         return -EFAULT;
602                 break;
603
604         case VIAFB_GET_PANEL_POSITION:
605                 if (copy_from_user(&u.panel_pos_size_para, argp,
606                                    sizeof(u.panel_pos_size_para)))
607                         return -EFAULT;
608                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
609                 if (copy_to_user(argp, &u.panel_pos_size_para,
610                                  sizeof(u.panel_pos_size_para)))
611                         return -EFAULT;
612                 break;
613         case VIAFB_GET_PANEL_SIZE:
614                 if (copy_from_user(&u.panel_pos_size_para, argp,
615                                    sizeof(u.panel_pos_size_para)))
616                         return -EFAULT;
617                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
618                 if (copy_to_user(argp, &u.panel_pos_size_para,
619                                  sizeof(u.panel_pos_size_para)))
620                         return -EFAULT;
621                 break;
622
623         case VIAFB_SET_PANEL_POSITION:
624                 if (copy_from_user(&u.panel_pos_size_para, argp,
625                                    sizeof(u.panel_pos_size_para)))
626                         return -EFAULT;
627                 break;
628         case VIAFB_SET_PANEL_SIZE:
629                 if (copy_from_user(&u.panel_pos_size_para, argp,
630                                    sizeof(u.panel_pos_size_para)))
631                         return -EFAULT;
632                 break;
633
634         default:
635                 return -EINVAL;
636         }
637
638         return 0;
639 }
640
641 static void viafb_fillrect(struct fb_info *info,
642         const struct fb_fillrect *rect)
643 {
644         struct viafb_par *viapar = info->par;
645         struct viafb_shared *shared = viapar->shared;
646         u32 fg_color;
647         u8 rop;
648
649         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
650                 cfb_fillrect(info, rect);
651                 return;
652         }
653
654         if (!rect->width || !rect->height)
655                 return;
656
657         if (info->fix.visual == FB_VISUAL_TRUECOLOR)
658                 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
659         else
660                 fg_color = rect->color;
661
662         if (rect->rop == ROP_XOR)
663                 rop = 0x5A;
664         else
665                 rop = 0xF0;
666
667         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
668         if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
669                 rect->width, rect->height, info->var.bits_per_pixel,
670                 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
671                 NULL, 0, 0, 0, 0, fg_color, 0, rop))
672                 cfb_fillrect(info, rect);
673 }
674
675 static void viafb_copyarea(struct fb_info *info,
676         const struct fb_copyarea *area)
677 {
678         struct viafb_par *viapar = info->par;
679         struct viafb_shared *shared = viapar->shared;
680
681         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
682                 cfb_copyarea(info, area);
683                 return;
684         }
685
686         if (!area->width || !area->height)
687                 return;
688
689         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
690         if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
691                 area->width, area->height, info->var.bits_per_pixel,
692                 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
693                 NULL, viapar->vram_addr, info->fix.line_length,
694                 area->sx, area->sy, 0, 0, 0))
695                 cfb_copyarea(info, area);
696 }
697
698 static void viafb_imageblit(struct fb_info *info,
699         const struct fb_image *image)
700 {
701         struct viafb_par *viapar = info->par;
702         struct viafb_shared *shared = viapar->shared;
703         u32 fg_color = 0, bg_color = 0;
704         u8 op;
705
706         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
707                 (image->depth != 1 && image->depth != viapar->depth)) {
708                 cfb_imageblit(info, image);
709                 return;
710         }
711
712         if (image->depth == 1) {
713                 op = VIA_BITBLT_MONO;
714                 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
715                         fg_color =
716                                 ((u32 *)info->pseudo_palette)[image->fg_color];
717                         bg_color =
718                                 ((u32 *)info->pseudo_palette)[image->bg_color];
719                 } else {
720                         fg_color = image->fg_color;
721                         bg_color = image->bg_color;
722                 }
723         } else
724                 op = VIA_BITBLT_COLOR;
725
726         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
727         if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
728                 image->width, image->height, info->var.bits_per_pixel,
729                 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
730                 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
731                 cfb_imageblit(info, image);
732 }
733
734 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
735 {
736         struct viafb_par *viapar = info->par;
737         void __iomem *engine = viapar->shared->vdev->engine_mmio;
738         u32 temp, xx, yy, bg_color = 0, fg_color = 0,
739                 chip_name = viapar->shared->chip_info.gfx_chip_name;
740         int i, j = 0, cur_size = 64;
741
742         if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
743                 return -ENODEV;
744
745         /* LCD ouput does not support hw cursors (at least on VN896) */
746         if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
747                 viafb_LCD_ON)
748                 return -ENODEV;
749
750         viafb_show_hw_cursor(info, HW_Cursor_OFF);
751
752         if (cursor->set & FB_CUR_SETHOT) {
753                 temp = (cursor->hot.x << 16) + cursor->hot.y;
754                 writel(temp, engine + VIA_REG_CURSOR_ORG);
755         }
756
757         if (cursor->set & FB_CUR_SETPOS) {
758                 yy = cursor->image.dy - info->var.yoffset;
759                 xx = cursor->image.dx - info->var.xoffset;
760                 temp = yy & 0xFFFF;
761                 temp |= (xx << 16);
762                 writel(temp, engine + VIA_REG_CURSOR_POS);
763         }
764
765         if (cursor->image.width <= 32 && cursor->image.height <= 32)
766                 cur_size = 32;
767         else if (cursor->image.width <= 64 && cursor->image.height <= 64)
768                 cur_size = 64;
769         else {
770                 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
771                         "%dx%d", cursor->image.width, cursor->image.height);
772                 return -ENXIO;
773         }
774
775         if (cursor->set & FB_CUR_SETSIZE) {
776                 temp = readl(engine + VIA_REG_CURSOR_MODE);
777                 if (cur_size == 32)
778                         temp |= 0x2;
779                 else
780                         temp &= ~0x2;
781
782                 writel(temp, engine + VIA_REG_CURSOR_MODE);
783         }
784
785         if (cursor->set & FB_CUR_SETCMAP) {
786                 fg_color = cursor->image.fg_color;
787                 bg_color = cursor->image.bg_color;
788                 if (chip_name == UNICHROME_CX700 ||
789                         chip_name == UNICHROME_VX800 ||
790                         chip_name == UNICHROME_VX855) {
791                         fg_color =
792                                 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
793                                 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
794                                 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
795                         bg_color =
796                                 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
797                                 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
798                                 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
799                 } else {
800                         fg_color =
801                                 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
802                                 (info->cmap.green[fg_color] & 0xFF00) |
803                                 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
804                         bg_color =
805                                 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
806                                 (info->cmap.green[bg_color] & 0xFF00) |
807                                 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
808                 }
809
810                 writel(bg_color, engine + VIA_REG_CURSOR_BG);
811                 writel(fg_color, engine + VIA_REG_CURSOR_FG);
812         }
813
814         if (cursor->set & FB_CUR_SETSHAPE) {
815                 struct {
816                         u8 data[CURSOR_SIZE];
817                         u32 bak[CURSOR_SIZE / 4];
818                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
819                 int size = ((cursor->image.width + 7) >> 3) *
820                         cursor->image.height;
821
822                 if (!cr_data)
823                         return -ENOMEM;
824
825                 if (cur_size == 32) {
826                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
827                                 cr_data->bak[i] = 0x0;
828                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
829                                 i += 1;
830                         }
831                 } else {
832                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
833                                 cr_data->bak[i] = 0x0;
834                                 cr_data->bak[i + 1] = 0x0;
835                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
836                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
837                                 i += 3;
838                         }
839                 }
840
841                 switch (cursor->rop) {
842                 case ROP_XOR:
843                         for (i = 0; i < size; i++)
844                                 cr_data->data[i] = cursor->mask[i];
845                         break;
846                 case ROP_COPY:
847
848                         for (i = 0; i < size; i++)
849                                 cr_data->data[i] = cursor->mask[i];
850                         break;
851                 default:
852                         break;
853                 }
854
855                 if (cur_size == 32) {
856                         for (i = 0; i < size; i++) {
857                                 cr_data->bak[j] = (u32) cr_data->data[i];
858                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
859                                 j += 2;
860                         }
861                 } else {
862                         for (i = 0; i < size; i++) {
863                                 cr_data->bak[j] = (u32) cr_data->data[i];
864                                 cr_data->bak[j + 1] = 0x0;
865                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
866                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
867                                 j += 4;
868                         }
869                 }
870
871                 memcpy_toio(viafbinfo->screen_base + viapar->shared->
872                         cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
873                 kfree(cr_data);
874         }
875
876         if (cursor->enable)
877                 viafb_show_hw_cursor(info, HW_Cursor_ON);
878
879         return 0;
880 }
881
882 static int viafb_sync(struct fb_info *info)
883 {
884         if (!(info->flags & FBINFO_HWACCEL_DISABLED))
885                 viafb_wait_engine_idle(info);
886         return 0;
887 }
888
889 static int get_primary_device(void)
890 {
891         int primary_device = 0;
892         /* Rule: device on iga1 path are the primary device. */
893         if (viafb_SAMM_ON) {
894                 if (viafb_CRT_ON) {
895                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
896                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
897                                         viaparinfo->
898                                         crt_setting_info->iga_path);
899                                 primary_device = CRT_Device;
900                         }
901                 }
902                 if (viafb_DVI_ON) {
903                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
904                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
905                                         viaparinfo->
906                                         tmds_setting_info->iga_path);
907                                 primary_device = DVI_Device;
908                         }
909                 }
910                 if (viafb_LCD_ON) {
911                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
912                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
913                                         viaparinfo->
914                                         lvds_setting_info->iga_path);
915                                 primary_device = LCD_Device;
916                         }
917                 }
918                 if (viafb_LCD2_ON) {
919                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
920                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
921                                         viaparinfo->
922                                         lvds_setting_info2->iga_path);
923                                 primary_device = LCD2_Device;
924                         }
925                 }
926         }
927         return primary_device;
928 }
929
930 static void retrieve_device_setting(struct viafb_ioctl_setting
931         *setting_info)
932 {
933
934         /* get device status */
935         if (viafb_CRT_ON == 1)
936                 setting_info->device_status = CRT_Device;
937         if (viafb_DVI_ON == 1)
938                 setting_info->device_status |= DVI_Device;
939         if (viafb_LCD_ON == 1)
940                 setting_info->device_status |= LCD_Device;
941         if (viafb_LCD2_ON == 1)
942                 setting_info->device_status |= LCD2_Device;
943
944         setting_info->samm_status = viafb_SAMM_ON;
945         setting_info->primary_device = get_primary_device();
946
947         setting_info->first_dev_bpp = viafb_bpp;
948         setting_info->second_dev_bpp = viafb_bpp1;
949
950         setting_info->first_dev_refresh = viafb_refresh;
951         setting_info->second_dev_refresh = viafb_refresh1;
952
953         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
954         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
955         setting_info->second_dev_hor_res = viafb_second_xres;
956         setting_info->second_dev_ver_res = viafb_second_yres;
957
958         /* Get lcd attributes */
959         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
960         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
961         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
962 }
963
964 static int parse_active_dev(void)
965 {
966         viafb_CRT_ON = STATE_OFF;
967         viafb_DVI_ON = STATE_OFF;
968         viafb_LCD_ON = STATE_OFF;
969         viafb_LCD2_ON = STATE_OFF;
970         /* 1. Modify the active status of devices. */
971         /* 2. Keep the order of devices, so we can set corresponding
972            IGA path to devices in SAMM case. */
973         /*    Note: The previous of active_dev is primary device,
974            and the following is secondary device. */
975         if (!viafb_active_dev) {
976                 viafb_CRT_ON = STATE_ON;
977                 viafb_SAMM_ON = STATE_OFF;
978         } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
979                 /* CRT+DVI */
980                 viafb_CRT_ON = STATE_ON;
981                 viafb_DVI_ON = STATE_ON;
982                 viafb_primary_dev = CRT_Device;
983         } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
984                 /* DVI+CRT */
985                 viafb_CRT_ON = STATE_ON;
986                 viafb_DVI_ON = STATE_ON;
987                 viafb_primary_dev = DVI_Device;
988         } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
989                 /* CRT+LCD */
990                 viafb_CRT_ON = STATE_ON;
991                 viafb_LCD_ON = STATE_ON;
992                 viafb_primary_dev = CRT_Device;
993         } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
994                 /* LCD+CRT */
995                 viafb_CRT_ON = STATE_ON;
996                 viafb_LCD_ON = STATE_ON;
997                 viafb_primary_dev = LCD_Device;
998         } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
999                 /* DVI+LCD */
1000                 viafb_DVI_ON = STATE_ON;
1001                 viafb_LCD_ON = STATE_ON;
1002                 viafb_primary_dev = DVI_Device;
1003         } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1004                 /* LCD+DVI */
1005                 viafb_DVI_ON = STATE_ON;
1006                 viafb_LCD_ON = STATE_ON;
1007                 viafb_primary_dev = LCD_Device;
1008         } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1009                 viafb_LCD_ON = STATE_ON;
1010                 viafb_LCD2_ON = STATE_ON;
1011                 viafb_primary_dev = LCD_Device;
1012         } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1013                 viafb_LCD_ON = STATE_ON;
1014                 viafb_LCD2_ON = STATE_ON;
1015                 viafb_primary_dev = LCD2_Device;
1016         } else if (!strcmp(viafb_active_dev, "CRT")) {
1017                 /* CRT only */
1018                 viafb_CRT_ON = STATE_ON;
1019                 viafb_SAMM_ON = STATE_OFF;
1020         } else if (!strcmp(viafb_active_dev, "DVI")) {
1021                 /* DVI only */
1022                 viafb_DVI_ON = STATE_ON;
1023                 viafb_SAMM_ON = STATE_OFF;
1024         } else if (!strcmp(viafb_active_dev, "LCD")) {
1025                 /* LCD only */
1026                 viafb_LCD_ON = STATE_ON;
1027                 viafb_SAMM_ON = STATE_OFF;
1028         } else
1029                 return -EINVAL;
1030
1031         return 0;
1032 }
1033
1034 static int parse_port(char *opt_str, int *output_interface)
1035 {
1036         if (!strncmp(opt_str, "DVP0", 4))
1037                 *output_interface = INTERFACE_DVP0;
1038         else if (!strncmp(opt_str, "DVP1", 4))
1039                 *output_interface = INTERFACE_DVP1;
1040         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1041                 *output_interface = INTERFACE_DFP;
1042         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1043                 *output_interface = INTERFACE_DFP_HIGH;
1044         else if (!strncmp(opt_str, "DFP_LOW", 7))
1045                 *output_interface = INTERFACE_DFP_LOW;
1046         else
1047                 *output_interface = INTERFACE_NONE;
1048         return 0;
1049 }
1050
1051 static void parse_lcd_port(void)
1052 {
1053         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1054                 output_interface);
1055         /*Initialize to avoid unexpected behavior */
1056         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1057         INTERFACE_NONE;
1058
1059         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1060                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1061                   output_interface);
1062 }
1063
1064 static void parse_dvi_port(void)
1065 {
1066         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1067                 output_interface);
1068
1069         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1070                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1071                   output_interface);
1072 }
1073
1074 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1075
1076 /*
1077  * The proc filesystem read/write function, a simple proc implement to
1078  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1079  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1080  * CR9B,    SR65,    CR97,    CR99
1081  */
1082 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1083 {
1084         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1085         dvp0_data_dri =
1086             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1087             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1088         dvp0_clk_dri =
1089             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1090             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1091         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1092         seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1093         return 0;
1094 }
1095
1096 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1097 {
1098         return single_open(file, viafb_dvp0_proc_show, NULL);
1099 }
1100
1101 static ssize_t viafb_dvp0_proc_write(struct file *file,
1102         const char __user *buffer, size_t count, loff_t *pos)
1103 {
1104         char buf[20], *value, *pbuf;
1105         u8 reg_val = 0;
1106         unsigned long length, i;
1107         if (count < 1)
1108                 return -EINVAL;
1109         length = count > 20 ? 20 : count;
1110         if (copy_from_user(&buf[0], buffer, length))
1111                 return -EFAULT;
1112         buf[length - 1] = '\0'; /*Ensure end string */
1113         pbuf = &buf[0];
1114         for (i = 0; i < 3; i++) {
1115                 value = strsep(&pbuf, " ");
1116                 if (value != NULL) {
1117                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1118                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1119                                   reg_val);
1120                         switch (i) {
1121                         case 0:
1122                                 viafb_write_reg_mask(CR96, VIACR,
1123                                         reg_val, 0x0f);
1124                                 break;
1125                         case 1:
1126                                 viafb_write_reg_mask(SR2A, VIASR,
1127                                         reg_val << 4, BIT5);
1128                                 viafb_write_reg_mask(SR1B, VIASR,
1129                                         reg_val << 1, BIT1);
1130                                 break;
1131                         case 2:
1132                                 viafb_write_reg_mask(SR2A, VIASR,
1133                                         reg_val << 3, BIT4);
1134                                 viafb_write_reg_mask(SR1E, VIASR,
1135                                         reg_val << 2, BIT2);
1136                                 break;
1137                         default:
1138                                 break;
1139                         }
1140                 } else {
1141                         break;
1142                 }
1143         }
1144         return count;
1145 }
1146
1147 static const struct file_operations viafb_dvp0_proc_fops = {
1148         .owner          = THIS_MODULE,
1149         .open           = viafb_dvp0_proc_open,
1150         .read           = seq_read,
1151         .llseek         = seq_lseek,
1152         .release        = single_release,
1153         .write          = viafb_dvp0_proc_write,
1154 };
1155
1156 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1157 {
1158         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1159         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1160         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1161         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1162         seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1163         return 0;
1164 }
1165
1166 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1167 {
1168         return single_open(file, viafb_dvp1_proc_show, NULL);
1169 }
1170
1171 static ssize_t viafb_dvp1_proc_write(struct file *file,
1172         const char __user *buffer, size_t count, loff_t *pos)
1173 {
1174         char buf[20], *value, *pbuf;
1175         u8 reg_val = 0;
1176         unsigned long length, i;
1177         if (count < 1)
1178                 return -EINVAL;
1179         length = count > 20 ? 20 : count;
1180         if (copy_from_user(&buf[0], buffer, length))
1181                 return -EFAULT;
1182         buf[length - 1] = '\0'; /*Ensure end string */
1183         pbuf = &buf[0];
1184         for (i = 0; i < 3; i++) {
1185                 value = strsep(&pbuf, " ");
1186                 if (value != NULL) {
1187                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1188                         switch (i) {
1189                         case 0:
1190                                 viafb_write_reg_mask(CR9B, VIACR,
1191                                         reg_val, 0x0f);
1192                                 break;
1193                         case 1:
1194                                 viafb_write_reg_mask(SR65, VIASR,
1195                                         reg_val << 2, 0x0c);
1196                                 break;
1197                         case 2:
1198                                 viafb_write_reg_mask(SR65, VIASR,
1199                                         reg_val, 0x03);
1200                                 break;
1201                         default:
1202                                 break;
1203                         }
1204                 } else {
1205                         break;
1206                 }
1207         }
1208         return count;
1209 }
1210
1211 static const struct file_operations viafb_dvp1_proc_fops = {
1212         .owner          = THIS_MODULE,
1213         .open           = viafb_dvp1_proc_open,
1214         .read           = seq_read,
1215         .llseek         = seq_lseek,
1216         .release        = single_release,
1217         .write          = viafb_dvp1_proc_write,
1218 };
1219
1220 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1221 {
1222         u8 dfp_high = 0;
1223         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1224         seq_printf(m, "%x\n", dfp_high);
1225         return 0;
1226 }
1227
1228 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1229 {
1230         return single_open(file, viafb_dfph_proc_show, NULL);
1231 }
1232
1233 static ssize_t viafb_dfph_proc_write(struct file *file,
1234         const char __user *buffer, size_t count, loff_t *pos)
1235 {
1236         char buf[20];
1237         u8 reg_val = 0;
1238         unsigned long length;
1239         if (count < 1)
1240                 return -EINVAL;
1241         length = count > 20 ? 20 : count;
1242         if (copy_from_user(&buf[0], buffer, length))
1243                 return -EFAULT;
1244         buf[length - 1] = '\0'; /*Ensure end string */
1245         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1246         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1247         return count;
1248 }
1249
1250 static const struct file_operations viafb_dfph_proc_fops = {
1251         .owner          = THIS_MODULE,
1252         .open           = viafb_dfph_proc_open,
1253         .read           = seq_read,
1254         .llseek         = seq_lseek,
1255         .release        = single_release,
1256         .write          = viafb_dfph_proc_write,
1257 };
1258
1259 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1260 {
1261         u8 dfp_low = 0;
1262         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1263         seq_printf(m, "%x\n", dfp_low);
1264         return 0;
1265 }
1266
1267 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1268 {
1269         return single_open(file, viafb_dfpl_proc_show, NULL);
1270 }
1271
1272 static ssize_t viafb_dfpl_proc_write(struct file *file,
1273         const char __user *buffer, size_t count, loff_t *pos)
1274 {
1275         char buf[20];
1276         u8 reg_val = 0;
1277         unsigned long length;
1278         if (count < 1)
1279                 return -EINVAL;
1280         length = count > 20 ? 20 : count;
1281         if (copy_from_user(&buf[0], buffer, length))
1282                 return -EFAULT;
1283         buf[length - 1] = '\0'; /*Ensure end string */
1284         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1285         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1286         return count;
1287 }
1288
1289 static const struct file_operations viafb_dfpl_proc_fops = {
1290         .owner          = THIS_MODULE,
1291         .open           = viafb_dfpl_proc_open,
1292         .read           = seq_read,
1293         .llseek         = seq_lseek,
1294         .release        = single_release,
1295         .write          = viafb_dfpl_proc_write,
1296 };
1297
1298 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1299 {
1300         u8 vt1636_08 = 0, vt1636_09 = 0;
1301         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1302         case VT1636_LVDS:
1303                 vt1636_08 =
1304                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1305                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1306                 vt1636_09 =
1307                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1308                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1309                 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1310                 break;
1311         default:
1312                 break;
1313         }
1314         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1315         case VT1636_LVDS:
1316                 vt1636_08 =
1317                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1318                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1319                 vt1636_09 =
1320                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1321                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1322                 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1323                 break;
1324         default:
1325                 break;
1326         }
1327         return 0;
1328 }
1329
1330 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1331 {
1332         return single_open(file, viafb_vt1636_proc_show, NULL);
1333 }
1334
1335 static ssize_t viafb_vt1636_proc_write(struct file *file,
1336         const char __user *buffer, size_t count, loff_t *pos)
1337 {
1338         char buf[30], *value, *pbuf;
1339         struct IODATA reg_val;
1340         unsigned long length, i;
1341         if (count < 1)
1342                 return -EINVAL;
1343         length = count > 30 ? 30 : count;
1344         if (copy_from_user(&buf[0], buffer, length))
1345                 return -EFAULT;
1346         buf[length - 1] = '\0'; /*Ensure end string */
1347         pbuf = &buf[0];
1348         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1349         case VT1636_LVDS:
1350                 for (i = 0; i < 2; i++) {
1351                         value = strsep(&pbuf, " ");
1352                         if (value != NULL) {
1353                                 strict_strtoul(value, 0,
1354                                         (unsigned long *)&reg_val.Data);
1355                                 switch (i) {
1356                                 case 0:
1357                                         reg_val.Index = 0x08;
1358                                         reg_val.Mask = 0x0f;
1359                                         viafb_gpio_i2c_write_mask_lvds
1360                                             (viaparinfo->lvds_setting_info,
1361                                             &viaparinfo->
1362                                             chip_info->lvds_chip_info,
1363                                              reg_val);
1364                                         break;
1365                                 case 1:
1366                                         reg_val.Index = 0x09;
1367                                         reg_val.Mask = 0x1f;
1368                                         viafb_gpio_i2c_write_mask_lvds
1369                                             (viaparinfo->lvds_setting_info,
1370                                             &viaparinfo->
1371                                             chip_info->lvds_chip_info,
1372                                              reg_val);
1373                                         break;
1374                                 default:
1375                                         break;
1376                                 }
1377                         } else {
1378                                 break;
1379                         }
1380                 }
1381                 break;
1382         default:
1383                 break;
1384         }
1385         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1386         case VT1636_LVDS:
1387                 for (i = 0; i < 2; i++) {
1388                         value = strsep(&pbuf, " ");
1389                         if (value != NULL) {
1390                                 strict_strtoul(value, 0,
1391                                         (unsigned long *)&reg_val.Data);
1392                                 switch (i) {
1393                                 case 0:
1394                                         reg_val.Index = 0x08;
1395                                         reg_val.Mask = 0x0f;
1396                                         viafb_gpio_i2c_write_mask_lvds
1397                                             (viaparinfo->lvds_setting_info2,
1398                                             &viaparinfo->
1399                                             chip_info->lvds_chip_info2,
1400                                              reg_val);
1401                                         break;
1402                                 case 1:
1403                                         reg_val.Index = 0x09;
1404                                         reg_val.Mask = 0x1f;
1405                                         viafb_gpio_i2c_write_mask_lvds
1406                                             (viaparinfo->lvds_setting_info2,
1407                                             &viaparinfo->
1408                                             chip_info->lvds_chip_info2,
1409                                              reg_val);
1410                                         break;
1411                                 default:
1412                                         break;
1413                                 }
1414                         } else {
1415                                 break;
1416                         }
1417                 }
1418                 break;
1419         default:
1420                 break;
1421         }
1422         return count;
1423 }
1424
1425 static const struct file_operations viafb_vt1636_proc_fops = {
1426         .owner          = THIS_MODULE,
1427         .open           = viafb_vt1636_proc_open,
1428         .read           = seq_read,
1429         .llseek         = seq_lseek,
1430         .release        = single_release,
1431         .write          = viafb_vt1636_proc_write,
1432 };
1433
1434 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1435 {
1436         *viafb_entry = proc_mkdir("viafb", NULL);
1437         if (*viafb_entry) {
1438                 proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
1439                 proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
1440                 proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
1441                 proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
1442                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1443                         lvds_chip_name || VT1636_LVDS ==
1444                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1445                         proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
1446                 }
1447
1448         }
1449 }
1450 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1451 {
1452         struct chip_information *chip_info = &viaparinfo->shared->chip_info;
1453
1454         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1455         remove_proc_entry("dvp1", viafb_entry);
1456         remove_proc_entry("dfph", viafb_entry);
1457         remove_proc_entry("dfpl", viafb_entry);
1458         if (chip_info->lvds_chip_info.lvds_chip_name == VT1636_LVDS
1459                 || chip_info->lvds_chip_info2.lvds_chip_name == VT1636_LVDS)
1460                 remove_proc_entry("vt1636", viafb_entry);
1461
1462         remove_proc_entry("viafb", NULL);
1463 }
1464
1465 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1466
1467 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1468 {
1469         char *ptr;
1470
1471         if (!str) {
1472                 *xres = 640;
1473                 *yres = 480;
1474                 return 0;
1475         }
1476
1477         *xres = simple_strtoul(str, &ptr, 10);
1478         if (ptr[0] != 'x')
1479                 return -EINVAL;
1480
1481         *yres = simple_strtoul(&ptr[1], &ptr, 10);
1482         if (ptr[0])
1483                 return -EINVAL;
1484
1485         return 0;
1486 }
1487
1488
1489 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1490 {
1491         u32 default_xres, default_yres;
1492         struct VideoModeTable *vmode_entry;
1493         struct fb_var_screeninfo default_var;
1494         int rc;
1495         u32 viafb_par_length;
1496
1497         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1498         memset(&default_var, 0, sizeof(default_var));
1499         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1500
1501         /* Allocate fb_info and ***_par here, also including some other needed
1502          * variables
1503         */
1504         viafbinfo = framebuffer_alloc(viafb_par_length +
1505                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1506                 &vdev->pdev->dev);
1507         if (!viafbinfo) {
1508                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1509                 return -ENOMEM;
1510         }
1511
1512         viaparinfo = (struct viafb_par *)viafbinfo->par;
1513         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1514         viaparinfo->shared->vdev = vdev;
1515         viaparinfo->vram_addr = 0;
1516         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1517         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1518         viaparinfo->lvds_setting_info2 =
1519                 &viaparinfo->shared->lvds_setting_info2;
1520         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1521         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1522
1523         if (viafb_dual_fb)
1524                 viafb_SAMM_ON = 1;
1525         parse_lcd_port();
1526         parse_dvi_port();
1527
1528         viafb_init_chip_info(vdev->chip_type);
1529         /*
1530          * The framebuffer will have been successfully mapped by
1531          * the core (or we'd not be here), but we still need to
1532          * set up our own accounting.
1533          */
1534         viaparinfo->fbmem = vdev->fbmem_start;
1535         viaparinfo->memsize = vdev->fbmem_len;
1536         viaparinfo->fbmem_free = viaparinfo->memsize;
1537         viaparinfo->fbmem_used = 0;
1538         viafbinfo->screen_base = vdev->fbmem;
1539
1540         viafbinfo->fix.mmio_start = vdev->engine_start;
1541         viafbinfo->fix.mmio_len = vdev->engine_len;
1542         viafbinfo->node = 0;
1543         viafbinfo->fbops = &viafb_ops;
1544         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1545
1546         viafbinfo->pseudo_palette = pseudo_pal;
1547         if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1548                 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1549                         FBINFO_HWACCEL_FILLRECT |  FBINFO_HWACCEL_IMAGEBLIT;
1550                 default_var.accel_flags = FB_ACCELF_TEXT;
1551         } else {
1552                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1553                 default_var.accel_flags = 0;
1554         }
1555
1556         if (viafb_second_size && (viafb_second_size < 8)) {
1557                 viafb_second_offset = viaparinfo->fbmem_free -
1558                         viafb_second_size * 1024 * 1024;
1559         } else {
1560                 viafb_second_size = 8;
1561                 viafb_second_offset = viaparinfo->fbmem_free -
1562                         viafb_second_size * 1024 * 1024;
1563         }
1564
1565         parse_mode(viafb_mode, &default_xres, &default_yres);
1566         vmode_entry = viafb_get_mode(default_xres, default_yres);
1567         if (viafb_SAMM_ON == 1) {
1568                 parse_mode(viafb_mode1, &viafb_second_xres,
1569                         &viafb_second_yres);
1570
1571                 viafb_second_virtual_xres = viafb_second_xres;
1572                 viafb_second_virtual_yres = viafb_second_yres;
1573         }
1574
1575         default_var.xres = default_xres;
1576         default_var.yres = default_yres;
1577         default_var.xres_virtual = default_xres;
1578         default_var.yres_virtual = default_yres;
1579         default_var.bits_per_pixel = viafb_bpp;
1580         default_var.pixclock =
1581             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1582         default_var.left_margin = (default_xres >> 3) & 0xf8;
1583         default_var.right_margin = 32;
1584         default_var.upper_margin = 16;
1585         default_var.lower_margin = 4;
1586         default_var.hsync_len = default_var.left_margin;
1587         default_var.vsync_len = 4;
1588         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1589         viafbinfo->var = default_var;
1590
1591         if (viafb_dual_fb) {
1592                 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1593                                 &vdev->pdev->dev);
1594                 if (!viafbinfo1) {
1595                         printk(KERN_ERR
1596                         "allocate the second framebuffer struct error\n");
1597                         rc = -ENOMEM;
1598                         goto out_fb_release;
1599                 }
1600                 viaparinfo1 = viafbinfo1->par;
1601                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1602                 viaparinfo1->vram_addr = viafb_second_offset;
1603                 viaparinfo1->memsize = viaparinfo->memsize -
1604                         viafb_second_offset;
1605                 viaparinfo->memsize = viafb_second_offset;
1606                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1607
1608                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1609                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1610                         viaparinfo1->fbmem_used;
1611                 viaparinfo->fbmem_free = viaparinfo->memsize;
1612                 viaparinfo->fbmem_used = 0;
1613
1614                 viaparinfo->iga_path = IGA1;
1615                 viaparinfo1->iga_path = IGA2;
1616                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1617                 viafbinfo1->par = viaparinfo1;
1618                 viafbinfo1->screen_base = viafbinfo->screen_base +
1619                         viafb_second_offset;
1620
1621                 default_var.xres = viafb_second_xres;
1622                 default_var.yres = viafb_second_yres;
1623                 default_var.xres_virtual = viafb_second_virtual_xres;
1624                 default_var.yres_virtual = viafb_second_virtual_yres;
1625                 default_var.bits_per_pixel = viafb_bpp1;
1626                 default_var.pixclock =
1627                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1628                     viafb_refresh);
1629                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1630                 default_var.right_margin = 32;
1631                 default_var.upper_margin = 16;
1632                 default_var.lower_margin = 4;
1633                 default_var.hsync_len = default_var.left_margin;
1634                 default_var.vsync_len = 4;
1635
1636                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1637                 viafb_check_var(&default_var, viafbinfo1);
1638                 viafbinfo1->var = default_var;
1639                 viafb_update_fix(viafbinfo1);
1640                 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1641                         &viafbinfo1->fix);
1642         }
1643
1644         viafb_check_var(&viafbinfo->var, viafbinfo);
1645         viafb_update_fix(viafbinfo);
1646         viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1647                 &viafbinfo->fix);
1648         default_var.activate = FB_ACTIVATE_NOW;
1649         rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1650         if (rc)
1651                 goto out_fb1_release;
1652
1653         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1654             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1655                 rc = register_framebuffer(viafbinfo1);
1656                 if (rc)
1657                         goto out_dealloc_cmap;
1658         }
1659         rc = register_framebuffer(viafbinfo);
1660         if (rc)
1661                 goto out_fb1_unreg_lcd_cle266;
1662
1663         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1664                         || (viaparinfo->chip_info->gfx_chip_name !=
1665                         UNICHROME_CLE266))) {
1666                 rc = register_framebuffer(viafbinfo1);
1667                 if (rc)
1668                         goto out_fb_unreg;
1669         }
1670         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1671                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1672                   default_var.yres, default_var.bits_per_pixel);
1673
1674 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1675         viafb_init_proc(&viaparinfo->shared->proc_entry);
1676 #endif
1677         viafb_init_dac(IGA2);
1678         return 0;
1679
1680 out_fb_unreg:
1681         unregister_framebuffer(viafbinfo);
1682 out_fb1_unreg_lcd_cle266:
1683         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1684             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1685                 unregister_framebuffer(viafbinfo1);
1686 out_dealloc_cmap:
1687         fb_dealloc_cmap(&viafbinfo->cmap);
1688 out_fb1_release:
1689         if (viafbinfo1)
1690                 framebuffer_release(viafbinfo1);
1691 out_fb_release:
1692         framebuffer_release(viafbinfo);
1693         return rc;
1694 }
1695
1696 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1697 {
1698         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1699         fb_dealloc_cmap(&viafbinfo->cmap);
1700         unregister_framebuffer(viafbinfo);
1701         if (viafb_dual_fb)
1702                 unregister_framebuffer(viafbinfo1);
1703 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1704         viafb_remove_proc(viaparinfo->shared->proc_entry);
1705 #endif
1706         framebuffer_release(viafbinfo);
1707         if (viafb_dual_fb)
1708                 framebuffer_release(viafbinfo1);
1709 }
1710
1711 #ifndef MODULE
1712 static int __init viafb_setup(char *options)
1713 {
1714         char *this_opt;
1715         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1716
1717         if (!options || !*options)
1718                 return 0;
1719
1720         while ((this_opt = strsep(&options, ",")) != NULL) {
1721                 if (!*this_opt)
1722                         continue;
1723
1724                 if (!strncmp(this_opt, "viafb_mode1=", 12))
1725                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1726                 else if (!strncmp(this_opt, "viafb_mode=", 11))
1727                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1728                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1729                         strict_strtoul(this_opt + 11, 0,
1730                                 (unsigned long *)&viafb_bpp1);
1731                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1732                         strict_strtoul(this_opt + 10, 0,
1733                                 (unsigned long *)&viafb_bpp);
1734                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1735                         strict_strtoul(this_opt + 15, 0,
1736                                 (unsigned long *)&viafb_refresh1);
1737                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1738                         strict_strtoul(this_opt + 14, 0,
1739                                 (unsigned long *)&viafb_refresh);
1740                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1741                         strict_strtoul(this_opt + 21, 0,
1742                                 (unsigned long *)&viafb_lcd_dsp_method);
1743                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1744                         strict_strtoul(this_opt + 19, 0,
1745                                 (unsigned long *)&viafb_lcd_panel_id);
1746                 else if (!strncmp(this_opt, "viafb_accel=", 12))
1747                         strict_strtoul(this_opt + 12, 0,
1748                                 (unsigned long *)&viafb_accel);
1749                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1750                         strict_strtoul(this_opt + 14, 0,
1751                                 (unsigned long *)&viafb_SAMM_ON);
1752                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
1753                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1754                 else if (!strncmp(this_opt,
1755                         "viafb_display_hardware_layout=", 30))
1756                         strict_strtoul(this_opt + 30, 0,
1757                         (unsigned long *)&viafb_display_hardware_layout);
1758                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
1759                         strict_strtoul(this_opt + 18, 0,
1760                                 (unsigned long *)&viafb_second_size);
1761                 else if (!strncmp(this_opt,
1762                         "viafb_platform_epia_dvi=", 24))
1763                         strict_strtoul(this_opt + 24, 0,
1764                                 (unsigned long *)&viafb_platform_epia_dvi);
1765                 else if (!strncmp(this_opt,
1766                         "viafb_device_lcd_dualedge=", 26))
1767                         strict_strtoul(this_opt + 26, 0,
1768                                 (unsigned long *)&viafb_device_lcd_dualedge);
1769                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
1770                         strict_strtoul(this_opt + 16, 0,
1771                                 (unsigned long *)&viafb_bus_width);
1772                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
1773                         strict_strtoul(this_opt + 15, 0,
1774                                 (unsigned long *)&viafb_lcd_mode);
1775                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
1776                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
1777                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
1778                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
1779         }
1780         return 0;
1781 }
1782 #endif
1783
1784 /*
1785  * These are called out of via-core for now.
1786  */
1787 int __init viafb_init(void)
1788 {
1789         u32 dummy;
1790 #ifndef MODULE
1791         char *option = NULL;
1792         if (fb_get_options("viafb", &option))
1793                 return -ENODEV;
1794         viafb_setup(option);
1795 #endif
1796         if (parse_mode(viafb_mode, &dummy, &dummy)
1797                 || parse_mode(viafb_mode1, &dummy, &dummy)
1798                 || viafb_bpp < 0 || viafb_bpp > 32
1799                 || viafb_bpp1 < 0 || viafb_bpp1 > 32
1800                 || parse_active_dev())
1801                 return -EINVAL;
1802
1803         printk(KERN_INFO
1804        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
1805                VERSION_MAJOR, VERSION_MINOR);
1806         return 0;
1807 }
1808
1809 void __exit viafb_exit(void)
1810 {
1811         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
1812 }
1813
1814 static struct fb_ops viafb_ops = {
1815         .owner = THIS_MODULE,
1816         .fb_open = viafb_open,
1817         .fb_release = viafb_release,
1818         .fb_check_var = viafb_check_var,
1819         .fb_set_par = viafb_set_par,
1820         .fb_setcolreg = viafb_setcolreg,
1821         .fb_pan_display = viafb_pan_display,
1822         .fb_blank = viafb_blank,
1823         .fb_fillrect = viafb_fillrect,
1824         .fb_copyarea = viafb_copyarea,
1825         .fb_imageblit = viafb_imageblit,
1826         .fb_cursor = viafb_cursor,
1827         .fb_ioctl = viafb_ioctl,
1828         .fb_sync = viafb_sync,
1829 };
1830
1831
1832 #ifdef MODULE
1833 module_param(viafb_mode, charp, S_IRUSR);
1834 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
1835
1836 module_param(viafb_mode1, charp, S_IRUSR);
1837 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
1838
1839 module_param(viafb_bpp, int, S_IRUSR);
1840 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
1841
1842 module_param(viafb_bpp1, int, S_IRUSR);
1843 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
1844
1845 module_param(viafb_refresh, int, S_IRUSR);
1846 MODULE_PARM_DESC(viafb_refresh,
1847         "Set CRT viafb_refresh rate (default = 60)");
1848
1849 module_param(viafb_refresh1, int, S_IRUSR);
1850 MODULE_PARM_DESC(viafb_refresh1,
1851         "Set CRT refresh rate (default = 60)");
1852
1853 module_param(viafb_lcd_panel_id, int, S_IRUSR);
1854 MODULE_PARM_DESC(viafb_lcd_panel_id,
1855         "Set Flat Panel type(Default=1024x768)");
1856
1857 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
1858 MODULE_PARM_DESC(viafb_lcd_dsp_method,
1859         "Set Flat Panel display scaling method.(Default=Expandsion)");
1860
1861 module_param(viafb_SAMM_ON, int, S_IRUSR);
1862 MODULE_PARM_DESC(viafb_SAMM_ON,
1863         "Turn on/off flag of SAMM(Default=OFF)");
1864
1865 module_param(viafb_accel, int, S_IRUSR);
1866 MODULE_PARM_DESC(viafb_accel,
1867         "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
1868
1869 module_param(viafb_active_dev, charp, S_IRUSR);
1870 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
1871
1872 module_param(viafb_display_hardware_layout, int, S_IRUSR);
1873 MODULE_PARM_DESC(viafb_display_hardware_layout,
1874         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
1875
1876 module_param(viafb_second_size, int, S_IRUSR);
1877 MODULE_PARM_DESC(viafb_second_size,
1878         "Set secondary device memory size");
1879
1880 module_param(viafb_dual_fb, int, S_IRUSR);
1881 MODULE_PARM_DESC(viafb_dual_fb,
1882         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
1883
1884 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
1885 MODULE_PARM_DESC(viafb_platform_epia_dvi,
1886         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
1887
1888 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
1889 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
1890         "Turn on/off flag of dual edge panel.(Default = OFF)");
1891
1892 module_param(viafb_bus_width, int, S_IRUSR);
1893 MODULE_PARM_DESC(viafb_bus_width,
1894         "Set bus width of panel.(Default = 12)");
1895
1896 module_param(viafb_lcd_mode, int, S_IRUSR);
1897 MODULE_PARM_DESC(viafb_lcd_mode,
1898         "Set Flat Panel mode(Default=OPENLDI)");
1899
1900 module_param(viafb_lcd_port, charp, S_IRUSR);
1901 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
1902
1903 module_param(viafb_dvi_port, charp, S_IRUSR);
1904 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
1905
1906 MODULE_LICENSE("GPL");
1907 #endif