]> git.openfabrics.org - ~shefty/rdma-dev.git/blob - drivers/video/via/viafbdev.c
viafb: fix hardware acceleration for suspend & resume
[~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 /* 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
65  */
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
69                                 | VIA_LVDS2,
70         [UNICHROME_K800]        = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
71                                 | VIA_LVDS2,
72         [UNICHROME_PM800]       = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
73                                 | VIA_LVDS2,
74         [UNICHROME_CN700]       = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
75                                 | VIA_LVDS2,
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,
83 };
84
85 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
86 {
87         var->grayscale = 0;
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;
94         var->nonstd = 0;
95         switch (depth) {
96         case 8:
97                 var->bits_per_pixel = 8;
98                 var->red.offset = 0;
99                 var->green.offset = 0;
100                 var->blue.offset = 0;
101                 var->red.length = 8;
102                 var->green.length = 8;
103                 var->blue.length = 8;
104                 break;
105         case 15:
106                 var->bits_per_pixel = 16;
107                 var->red.offset = 10;
108                 var->green.offset = 5;
109                 var->blue.offset = 0;
110                 var->red.length = 5;
111                 var->green.length = 5;
112                 var->blue.length = 5;
113                 break;
114         case 16:
115                 var->bits_per_pixel = 16;
116                 var->red.offset = 11;
117                 var->green.offset = 5;
118                 var->blue.offset = 0;
119                 var->red.length = 5;
120                 var->green.length = 6;
121                 var->blue.length = 5;
122                 break;
123         case 24:
124                 var->bits_per_pixel = 32;
125                 var->red.offset = 16;
126                 var->green.offset = 8;
127                 var->blue.offset = 0;
128                 var->red.length = 8;
129                 var->green.length = 8;
130                 var->blue.length = 8;
131                 break;
132         case 30:
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;
140                 break;
141         }
142 }
143
144 static void viafb_update_fix(struct fb_info *info)
145 {
146         u32 bpp = info->var.bits_per_pixel;
147
148         info->fix.visual =
149                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
150         info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
151 }
152
153 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
154         struct viafb_par *viaparinfo)
155 {
156         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
157         strcpy(fix->id, viafb_name);
158
159         fix->smem_start = viaparinfo->fbmem;
160         fix->smem_len = viaparinfo->fbmem_free;
161
162         fix->type = FB_TYPE_PACKED_PIXELS;
163         fix->type_aux = 0;
164         fix->visual = FB_VISUAL_TRUECOLOR;
165
166         fix->xpanstep = fix->ywrapstep = 0;
167         fix->ypanstep = 1;
168
169         /* Just tell the accel name */
170         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
171 }
172 static int viafb_open(struct fb_info *info, int user)
173 {
174         DEBUG_MSG(KERN_INFO "viafb_open!\n");
175         return 0;
176 }
177
178 static int viafb_release(struct fb_info *info, int user)
179 {
180         DEBUG_MSG(KERN_INFO "viafb_release!\n");
181         return 0;
182 }
183
184 static int viafb_check_var(struct fb_var_screeninfo *var,
185         struct fb_info *info)
186 {
187         int htotal, vtotal, depth;
188         struct VideoModeTable *vmode_entry;
189         struct viafb_par *ppar = info->par;
190         u32 long_refresh, line;
191
192         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
193         /* Sanity check */
194         /* HW neither support interlacte nor double-scaned mode */
195         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
196                 return -EINVAL;
197
198         vmode_entry = viafb_get_mode(var->xres, var->yres);
199         if (!vmode_entry) {
200                 DEBUG_MSG(KERN_INFO
201                           "viafb: Mode %dx%dx%d not supported!!\n",
202                           var->xres, var->yres, var->bits_per_pixel);
203                 return -EINVAL;
204         }
205
206         depth = fb_get_color_depth(var, &info->fix);
207         if (!depth)
208                 depth = var->bits_per_pixel;
209
210         if (depth < 0 || depth > 32)
211                 return -EINVAL;
212         else if (!depth)
213                 depth = 24;
214         else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
215                 depth = 15;
216         else if (depth == 30)
217                 depth = 30;
218         else if (depth <= 8)
219                 depth = 8;
220         else if (depth <= 16)
221                 depth = 16;
222         else
223                 depth = 24;
224
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)
228                 return -EINVAL;
229
230         /* Based on var passed in to calculate the refresh,
231          * because our driver use some modes special.
232          */
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);
239
240         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
241
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;
247
248         return 0;
249 }
250
251 static int viafb_set_par(struct fb_info *info)
252 {
253         struct viafb_par *viapar = info->par;
254         struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
255         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
256
257         viafb_update_fix(info);
258         viapar->depth = fb_get_color_depth(&info->var, &info->fix);
259         viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
260                 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
261
262         vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
263         if (viafb_dual_fb) {
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,
268                         viafb_refresh1, 1);
269         } else if (viafb_SAMM_ON == 1) {
270                 DEBUG_MSG(KERN_INFO
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,
274                         viafb_second_yres);
275
276                 viafb_update_device_setting(viafb_second_xres,
277                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
278         }
279
280         if (vmode_entry) {
281                 if (viafb_dual_fb && viapar->iga_path == IGA2)
282                         viafb_bpp1 = info->var.bits_per_pixel;
283                 else
284                         viafb_bpp = info->var.bits_per_pixel;
285
286                 if (info->var.accel_flags & FB_ACCELF_TEXT)
287                         info->flags &= ~FBINFO_HWACCEL_DISABLED;
288                 else
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);
293         }
294
295         return 0;
296 }
297
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)
301 {
302         struct viafb_par *viapar = info->par;
303         u32 r, g, b;
304
305         if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
306                 if (regno > 255)
307                         return -EINVAL;
308
309                 if (!viafb_dual_fb || viapar->iga_path == IGA1)
310                         viafb_set_primary_color_register(regno, red >> 8,
311                                 green >> 8, blue >> 8);
312
313                 if (!viafb_dual_fb || viapar->iga_path == IGA2)
314                         viafb_set_secondary_color_register(regno, red >> 8,
315                                 green >> 8, blue >> 8);
316         } else {
317                 if (regno > 15)
318                         return -EINVAL;
319
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;
327         }
328
329         return 0;
330 }
331
332 static int viafb_pan_display(struct fb_var_screeninfo *var,
333         struct fb_info *info)
334 {
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;
338
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);
345         else
346                 via_set_secondary_address(vram_addr);
347
348         return 0;
349 }
350
351 static int viafb_blank(int blank_mode, struct fb_info *info)
352 {
353         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
354         /* clear DPMS setting */
355
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);
361                 break;
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);
366                 break;
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);
371                 break;
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);
376                 break;
377         }
378
379         return 0;
380 }
381
382 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
383 {
384         union {
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;
392         } u;
393         u32 state_info = 0;
394         u32 *viafb_gamma_table;
395         char driver_name[] = "viafb";
396
397         u32 __user *argp = (u32 __user *) arg;
398         u32 gpu32;
399
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));
403
404         switch (cmd) {
405         case VIAFB_GET_CHIP_INFO:
406                 if (copy_to_user(argp, viaparinfo->chip_info,
407                                 sizeof(struct chip_information)))
408                         return -EFAULT;
409                 break;
410         case VIAFB_GET_INFO_SIZE:
411                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
412         case VIAFB_GET_INFO:
413                 return viafb_ioctl_get_viafb_info(arg);
414         case VIAFB_HOTPLUG:
415                 return put_user(viafb_ioctl_hotplug(info->var.xres,
416                                               info->var.yres,
417                                               info->var.bits_per_pixel), argp);
418         case VIAFB_SET_HOTPLUG_FLAG:
419                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
420                         return -EFAULT;
421                 viafb_hotplug = (gpu32) ? 1 : 0;
422                 break;
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;
435                 } else {
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;
442                 }
443                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
444                         return -EFAULT;
445                 break;
446         case VIAFB_GET_SAMM_INFO:
447                 u.viasamm.samm_status = viafb_SAMM_ON;
448
449                 if (viafb_SAMM_ON == 1) {
450                         if (viafb_dual_fb) {
451                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
452                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
453                         } else {
454                                 if (viafb_second_size) {
455                                         u.viasamm.size_prim =
456                                             viaparinfo->fbmem_free -
457                                             viafb_second_size * 1024 * 1024;
458                                         u.viasamm.size_sec =
459                                             viafb_second_size * 1024 * 1024;
460                                 } else {
461                                         u.viasamm.size_prim =
462                                             viaparinfo->fbmem_free >> 1;
463                                         u.viasamm.size_sec =
464                                             (viaparinfo->fbmem_free >> 1);
465                                 }
466                         }
467                         u.viasamm.mem_base = viaparinfo->fbmem;
468                         u.viasamm.offset_sec = viafb_second_offset;
469                 } else {
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;
475                 }
476
477                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
478                         return -EFAULT;
479
480                 break;
481         case VIAFB_TURN_ON_OUTPUT_DEVICE:
482                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
483                         return -EFAULT;
484                 if (gpu32 & CRT_Device)
485                         via_set_state(VIA_CRT, VIA_STATE_ON);
486                 if (gpu32 & DVI_Device)
487                         viafb_dvi_enable();
488                 if (gpu32 & LCD_Device)
489                         viafb_lcd_enable();
490                 break;
491         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
492                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
493                         return -EFAULT;
494                 if (gpu32 & CRT_Device)
495                         via_set_state(VIA_CRT, VIA_STATE_OFF);
496                 if (gpu32 & DVI_Device)
497                         viafb_dvi_disable();
498                 if (gpu32 & LCD_Device)
499                         viafb_lcd_disable();
500                 break;
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;
507
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;
511
512                 u.active_dev.xres = viafb_hotplug_Xres;
513                 u.active_dev.yres = viafb_hotplug_Yres;
514
515                 u.active_dev.xres1 = viafb_second_xres;
516                 u.active_dev.yres1 = viafb_second_yres;
517
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;
522
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;
526
527                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
528                         return -EFAULT;
529                 break;
530
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;
536
537                 if (copy_to_user(argp, &u.driver_version,
538                         sizeof(u.driver_version)))
539                         return -EFAULT;
540
541                 break;
542
543         case VIAFB_GET_DEVICE_INFO:
544
545                 retrieve_device_setting(&u.viafb_setting);
546
547                 if (copy_to_user(argp, &u.viafb_setting,
548                                  sizeof(u.viafb_setting)))
549                         return -EFAULT;
550
551                 break;
552
553         case VIAFB_GET_DEVICE_SUPPORT:
554                 viafb_get_device_support_state(&state_info);
555                 if (put_user(state_info, argp))
556                         return -EFAULT;
557                 break;
558
559         case VIAFB_GET_DEVICE_CONNECT:
560                 viafb_get_device_connect_state(&state_info);
561                 if (put_user(state_info, argp))
562                         return -EFAULT;
563                 break;
564
565         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
566                 state_info =
567                     viafb_lcd_get_support_expand_state(info->var.xres,
568                                                  info->var.yres);
569                 if (put_user(state_info, argp))
570                         return -EFAULT;
571                 break;
572
573         case VIAFB_GET_DRIVER_NAME:
574                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
575                         return -EFAULT;
576                 break;
577
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);
584                 break;
585
586         case VIAFB_GET_GAMMA_LUT:
587                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
588                 if (!viafb_gamma_table)
589                         return -ENOMEM;
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);
594                         return -EFAULT;
595                 }
596                 kfree(viafb_gamma_table);
597                 break;
598
599         case VIAFB_GET_GAMMA_SUPPORT_STATE:
600                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
601                 if (put_user(state_info, argp))
602                         return -EFAULT;
603                 break;
604         case VIAFB_SYNC_SURFACE:
605                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
606                 break;
607         case VIAFB_GET_DRIVER_CAPS:
608                 break;
609
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)))
613                         return -EFAULT;
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)))
617                         return -EFAULT;
618                 break;
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)))
622                         return -EFAULT;
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)))
626                         return -EFAULT;
627                 break;
628
629         case VIAFB_GET_PANEL_POSITION:
630                 if (copy_from_user(&u.panel_pos_size_para, argp,
631                                    sizeof(u.panel_pos_size_para)))
632                         return -EFAULT;
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)))
636                         return -EFAULT;
637                 break;
638         case VIAFB_GET_PANEL_SIZE:
639                 if (copy_from_user(&u.panel_pos_size_para, argp,
640                                    sizeof(u.panel_pos_size_para)))
641                         return -EFAULT;
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)))
645                         return -EFAULT;
646                 break;
647
648         case VIAFB_SET_PANEL_POSITION:
649                 if (copy_from_user(&u.panel_pos_size_para, argp,
650                                    sizeof(u.panel_pos_size_para)))
651                         return -EFAULT;
652                 break;
653         case VIAFB_SET_PANEL_SIZE:
654                 if (copy_from_user(&u.panel_pos_size_para, argp,
655                                    sizeof(u.panel_pos_size_para)))
656                         return -EFAULT;
657                 break;
658
659         default:
660                 return -EINVAL;
661         }
662
663         return 0;
664 }
665
666 static void viafb_fillrect(struct fb_info *info,
667         const struct fb_fillrect *rect)
668 {
669         struct viafb_par *viapar = info->par;
670         struct viafb_shared *shared = viapar->shared;
671         u32 fg_color;
672         u8 rop;
673
674         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
675                 cfb_fillrect(info, rect);
676                 return;
677         }
678
679         if (!rect->width || !rect->height)
680                 return;
681
682         if (info->fix.visual == FB_VISUAL_TRUECOLOR)
683                 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
684         else
685                 fg_color = rect->color;
686
687         if (rect->rop == ROP_XOR)
688                 rop = 0x5A;
689         else
690                 rop = 0xF0;
691
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);
698 }
699
700 static void viafb_copyarea(struct fb_info *info,
701         const struct fb_copyarea *area)
702 {
703         struct viafb_par *viapar = info->par;
704         struct viafb_shared *shared = viapar->shared;
705
706         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
707                 cfb_copyarea(info, area);
708                 return;
709         }
710
711         if (!area->width || !area->height)
712                 return;
713
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);
721 }
722
723 static void viafb_imageblit(struct fb_info *info,
724         const struct fb_image *image)
725 {
726         struct viafb_par *viapar = info->par;
727         struct viafb_shared *shared = viapar->shared;
728         u32 fg_color = 0, bg_color = 0;
729         u8 op;
730
731         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
732                 (image->depth != 1 && image->depth != viapar->depth)) {
733                 cfb_imageblit(info, image);
734                 return;
735         }
736
737         if (image->depth == 1) {
738                 op = VIA_BITBLT_MONO;
739                 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
740                         fg_color =
741                                 ((u32 *)info->pseudo_palette)[image->fg_color];
742                         bg_color =
743                                 ((u32 *)info->pseudo_palette)[image->bg_color];
744                 } else {
745                         fg_color = image->fg_color;
746                         bg_color = image->bg_color;
747                 }
748         } else
749                 op = VIA_BITBLT_COLOR;
750
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);
757 }
758
759 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
760 {
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;
766
767         if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
768                 return -ENODEV;
769
770         /* LCD ouput does not support hw cursors (at least on VN896) */
771         if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
772                 viafb_LCD_ON)
773                 return -ENODEV;
774
775         viafb_show_hw_cursor(info, HW_Cursor_OFF);
776
777         if (cursor->set & FB_CUR_SETHOT) {
778                 temp = (cursor->hot.x << 16) + cursor->hot.y;
779                 writel(temp, engine + VIA_REG_CURSOR_ORG);
780         }
781
782         if (cursor->set & FB_CUR_SETPOS) {
783                 yy = cursor->image.dy - info->var.yoffset;
784                 xx = cursor->image.dx - info->var.xoffset;
785                 temp = yy & 0xFFFF;
786                 temp |= (xx << 16);
787                 writel(temp, engine + VIA_REG_CURSOR_POS);
788         }
789
790         if (cursor->image.width <= 32 && cursor->image.height <= 32)
791                 cur_size = 32;
792         else if (cursor->image.width <= 64 && cursor->image.height <= 64)
793                 cur_size = 64;
794         else {
795                 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
796                         "%dx%d", cursor->image.width, cursor->image.height);
797                 return -ENXIO;
798         }
799
800         if (cursor->set & FB_CUR_SETSIZE) {
801                 temp = readl(engine + VIA_REG_CURSOR_MODE);
802                 if (cur_size == 32)
803                         temp |= 0x2;
804                 else
805                         temp &= ~0x2;
806
807                 writel(temp, engine + VIA_REG_CURSOR_MODE);
808         }
809
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) {
816                         fg_color =
817                                 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
818                                 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
819                                 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
820                         bg_color =
821                                 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
822                                 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
823                                 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
824                 } else {
825                         fg_color =
826                                 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
827                                 (info->cmap.green[fg_color] & 0xFF00) |
828                                 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
829                         bg_color =
830                                 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
831                                 (info->cmap.green[bg_color] & 0xFF00) |
832                                 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
833                 }
834
835                 writel(bg_color, engine + VIA_REG_CURSOR_BG);
836                 writel(fg_color, engine + VIA_REG_CURSOR_FG);
837         }
838
839         if (cursor->set & FB_CUR_SETSHAPE) {
840                 struct {
841                         u8 data[CURSOR_SIZE];
842                         u32 bak[CURSOR_SIZE / 4];
843                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
844                 int size = ((cursor->image.width + 7) >> 3) *
845                         cursor->image.height;
846
847                 if (!cr_data)
848                         return -ENOMEM;
849
850                 if (cur_size == 32) {
851                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
852                                 cr_data->bak[i] = 0x0;
853                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
854                                 i += 1;
855                         }
856                 } else {
857                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
858                                 cr_data->bak[i] = 0x0;
859                                 cr_data->bak[i + 1] = 0x0;
860                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
861                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
862                                 i += 3;
863                         }
864                 }
865
866                 switch (cursor->rop) {
867                 case ROP_XOR:
868                         for (i = 0; i < size; i++)
869                                 cr_data->data[i] = cursor->mask[i];
870                         break;
871                 case ROP_COPY:
872
873                         for (i = 0; i < size; i++)
874                                 cr_data->data[i] = cursor->mask[i];
875                         break;
876                 default:
877                         break;
878                 }
879
880                 if (cur_size == 32) {
881                         for (i = 0; i < size; i++) {
882                                 cr_data->bak[j] = (u32) cr_data->data[i];
883                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
884                                 j += 2;
885                         }
886                 } else {
887                         for (i = 0; i < size; i++) {
888                                 cr_data->bak[j] = (u32) cr_data->data[i];
889                                 cr_data->bak[j + 1] = 0x0;
890                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
891                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
892                                 j += 4;
893                         }
894                 }
895
896                 memcpy_toio(viafbinfo->screen_base + viapar->shared->
897                         cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
898                 kfree(cr_data);
899         }
900
901         if (cursor->enable)
902                 viafb_show_hw_cursor(info, HW_Cursor_ON);
903
904         return 0;
905 }
906
907 static int viafb_sync(struct fb_info *info)
908 {
909         if (!(info->flags & FBINFO_HWACCEL_DISABLED))
910                 viafb_wait_engine_idle(info);
911         return 0;
912 }
913
914 static int get_primary_device(void)
915 {
916         int primary_device = 0;
917         /* Rule: device on iga1 path are the primary device. */
918         if (viafb_SAMM_ON) {
919                 if (viafb_CRT_ON) {
920                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
921                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
922                                         viaparinfo->
923                                         crt_setting_info->iga_path);
924                                 primary_device = CRT_Device;
925                         }
926                 }
927                 if (viafb_DVI_ON) {
928                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
929                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
930                                         viaparinfo->
931                                         tmds_setting_info->iga_path);
932                                 primary_device = DVI_Device;
933                         }
934                 }
935                 if (viafb_LCD_ON) {
936                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
937                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
938                                         viaparinfo->
939                                         lvds_setting_info->iga_path);
940                                 primary_device = LCD_Device;
941                         }
942                 }
943                 if (viafb_LCD2_ON) {
944                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
945                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
946                                         viaparinfo->
947                                         lvds_setting_info2->iga_path);
948                                 primary_device = LCD2_Device;
949                         }
950                 }
951         }
952         return primary_device;
953 }
954
955 static void retrieve_device_setting(struct viafb_ioctl_setting
956         *setting_info)
957 {
958
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;
968
969         setting_info->samm_status = viafb_SAMM_ON;
970         setting_info->primary_device = get_primary_device();
971
972         setting_info->first_dev_bpp = viafb_bpp;
973         setting_info->second_dev_bpp = viafb_bpp1;
974
975         setting_info->first_dev_refresh = viafb_refresh;
976         setting_info->second_dev_refresh = viafb_refresh1;
977
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;
982
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;
987 }
988
989 static int __init parse_active_dev(void)
990 {
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")) {
1004                 /* 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")) {
1009                 /* 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")) {
1014                 /* 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")) {
1019                 /* 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")) {
1024                 /* 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")) {
1029                 /* 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")) {
1042                 /* CRT only */
1043                 viafb_CRT_ON = STATE_ON;
1044                 viafb_SAMM_ON = STATE_OFF;
1045         } else if (!strcmp(viafb_active_dev, "DVI")) {
1046                 /* DVI only */
1047                 viafb_DVI_ON = STATE_ON;
1048                 viafb_SAMM_ON = STATE_OFF;
1049         } else if (!strcmp(viafb_active_dev, "LCD")) {
1050                 /* LCD only */
1051                 viafb_LCD_ON = STATE_ON;
1052                 viafb_SAMM_ON = STATE_OFF;
1053         } else
1054                 return -EINVAL;
1055
1056         return 0;
1057 }
1058
1059 static int __devinit parse_port(char *opt_str, int *output_interface)
1060 {
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;
1071         else
1072                 *output_interface = INTERFACE_NONE;
1073         return 0;
1074 }
1075
1076 static void __devinit parse_lcd_port(void)
1077 {
1078         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1079                 output_interface);
1080         /*Initialize to avoid unexpected behavior */
1081         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1082         INTERFACE_NONE;
1083
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.
1086                   output_interface);
1087 }
1088
1089 static void __devinit parse_dvi_port(void)
1090 {
1091         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1092                 output_interface);
1093
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.
1096                   output_interface);
1097 }
1098
1099 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1100
1101 /*
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
1106  */
1107 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1108 {
1109         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1110         dvp0_data_dri =
1111             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1112             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1113         dvp0_clk_dri =
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);
1118         return 0;
1119 }
1120
1121 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1122 {
1123         return single_open(file, viafb_dvp0_proc_show, NULL);
1124 }
1125
1126 static ssize_t viafb_dvp0_proc_write(struct file *file,
1127         const char __user *buffer, size_t count, loff_t *pos)
1128 {
1129         char buf[20], *value, *pbuf;
1130         u8 reg_val = 0;
1131         unsigned long length, i;
1132         if (count < 1)
1133                 return -EINVAL;
1134         length = count > 20 ? 20 : count;
1135         if (copy_from_user(&buf[0], buffer, length))
1136                 return -EFAULT;
1137         buf[length - 1] = '\0'; /*Ensure end string */
1138         pbuf = &buf[0];
1139         for (i = 0; i < 3; i++) {
1140                 value = strsep(&pbuf, " ");
1141                 if (value != NULL) {
1142                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1143                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1144                                   reg_val);
1145                         switch (i) {
1146                         case 0:
1147                                 viafb_write_reg_mask(CR96, VIACR,
1148                                         reg_val, 0x0f);
1149                                 break;
1150                         case 1:
1151                                 viafb_write_reg_mask(SR2A, VIASR,
1152                                         reg_val << 4, BIT5);
1153                                 viafb_write_reg_mask(SR1B, VIASR,
1154                                         reg_val << 1, BIT1);
1155                                 break;
1156                         case 2:
1157                                 viafb_write_reg_mask(SR2A, VIASR,
1158                                         reg_val << 3, BIT4);
1159                                 viafb_write_reg_mask(SR1E, VIASR,
1160                                         reg_val << 2, BIT2);
1161                                 break;
1162                         default:
1163                                 break;
1164                         }
1165                 } else {
1166                         break;
1167                 }
1168         }
1169         return count;
1170 }
1171
1172 static const struct file_operations viafb_dvp0_proc_fops = {
1173         .owner          = THIS_MODULE,
1174         .open           = viafb_dvp0_proc_open,
1175         .read           = seq_read,
1176         .llseek         = seq_lseek,
1177         .release        = single_release,
1178         .write          = viafb_dvp0_proc_write,
1179 };
1180
1181 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1182 {
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);
1188         return 0;
1189 }
1190
1191 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1192 {
1193         return single_open(file, viafb_dvp1_proc_show, NULL);
1194 }
1195
1196 static ssize_t viafb_dvp1_proc_write(struct file *file,
1197         const char __user *buffer, size_t count, loff_t *pos)
1198 {
1199         char buf[20], *value, *pbuf;
1200         u8 reg_val = 0;
1201         unsigned long length, i;
1202         if (count < 1)
1203                 return -EINVAL;
1204         length = count > 20 ? 20 : count;
1205         if (copy_from_user(&buf[0], buffer, length))
1206                 return -EFAULT;
1207         buf[length - 1] = '\0'; /*Ensure end string */
1208         pbuf = &buf[0];
1209         for (i = 0; i < 3; i++) {
1210                 value = strsep(&pbuf, " ");
1211                 if (value != NULL) {
1212                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1213                         switch (i) {
1214                         case 0:
1215                                 viafb_write_reg_mask(CR9B, VIACR,
1216                                         reg_val, 0x0f);
1217                                 break;
1218                         case 1:
1219                                 viafb_write_reg_mask(SR65, VIASR,
1220                                         reg_val << 2, 0x0c);
1221                                 break;
1222                         case 2:
1223                                 viafb_write_reg_mask(SR65, VIASR,
1224                                         reg_val, 0x03);
1225                                 break;
1226                         default:
1227                                 break;
1228                         }
1229                 } else {
1230                         break;
1231                 }
1232         }
1233         return count;
1234 }
1235
1236 static const struct file_operations viafb_dvp1_proc_fops = {
1237         .owner          = THIS_MODULE,
1238         .open           = viafb_dvp1_proc_open,
1239         .read           = seq_read,
1240         .llseek         = seq_lseek,
1241         .release        = single_release,
1242         .write          = viafb_dvp1_proc_write,
1243 };
1244
1245 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1246 {
1247         u8 dfp_high = 0;
1248         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1249         seq_printf(m, "%x\n", dfp_high);
1250         return 0;
1251 }
1252
1253 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1254 {
1255         return single_open(file, viafb_dfph_proc_show, NULL);
1256 }
1257
1258 static ssize_t viafb_dfph_proc_write(struct file *file,
1259         const char __user *buffer, size_t count, loff_t *pos)
1260 {
1261         char buf[20];
1262         u8 reg_val = 0;
1263         unsigned long length;
1264         if (count < 1)
1265                 return -EINVAL;
1266         length = count > 20 ? 20 : count;
1267         if (copy_from_user(&buf[0], buffer, length))
1268                 return -EFAULT;
1269         buf[length - 1] = '\0'; /*Ensure end string */
1270         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1271         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1272         return count;
1273 }
1274
1275 static const struct file_operations viafb_dfph_proc_fops = {
1276         .owner          = THIS_MODULE,
1277         .open           = viafb_dfph_proc_open,
1278         .read           = seq_read,
1279         .llseek         = seq_lseek,
1280         .release        = single_release,
1281         .write          = viafb_dfph_proc_write,
1282 };
1283
1284 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1285 {
1286         u8 dfp_low = 0;
1287         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1288         seq_printf(m, "%x\n", dfp_low);
1289         return 0;
1290 }
1291
1292 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1293 {
1294         return single_open(file, viafb_dfpl_proc_show, NULL);
1295 }
1296
1297 static ssize_t viafb_dfpl_proc_write(struct file *file,
1298         const char __user *buffer, size_t count, loff_t *pos)
1299 {
1300         char buf[20];
1301         u8 reg_val = 0;
1302         unsigned long length;
1303         if (count < 1)
1304                 return -EINVAL;
1305         length = count > 20 ? 20 : count;
1306         if (copy_from_user(&buf[0], buffer, length))
1307                 return -EFAULT;
1308         buf[length - 1] = '\0'; /*Ensure end string */
1309         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1310         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1311         return count;
1312 }
1313
1314 static const struct file_operations viafb_dfpl_proc_fops = {
1315         .owner          = THIS_MODULE,
1316         .open           = viafb_dfpl_proc_open,
1317         .read           = seq_read,
1318         .llseek         = seq_lseek,
1319         .release        = single_release,
1320         .write          = viafb_dfpl_proc_write,
1321 };
1322
1323 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1324 {
1325         u8 vt1636_08 = 0, vt1636_09 = 0;
1326         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1327         case VT1636_LVDS:
1328                 vt1636_08 =
1329                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1330                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1331                 vt1636_09 =
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);
1335                 break;
1336         default:
1337                 break;
1338         }
1339         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1340         case VT1636_LVDS:
1341                 vt1636_08 =
1342                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1343                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1344                 vt1636_09 =
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);
1348                 break;
1349         default:
1350                 break;
1351         }
1352         return 0;
1353 }
1354
1355 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1356 {
1357         return single_open(file, viafb_vt1636_proc_show, NULL);
1358 }
1359
1360 static ssize_t viafb_vt1636_proc_write(struct file *file,
1361         const char __user *buffer, size_t count, loff_t *pos)
1362 {
1363         char buf[30], *value, *pbuf;
1364         struct IODATA reg_val;
1365         unsigned long length, i;
1366         if (count < 1)
1367                 return -EINVAL;
1368         length = count > 30 ? 30 : count;
1369         if (copy_from_user(&buf[0], buffer, length))
1370                 return -EFAULT;
1371         buf[length - 1] = '\0'; /*Ensure end string */
1372         pbuf = &buf[0];
1373         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1374         case VT1636_LVDS:
1375                 for (i = 0; i < 2; i++) {
1376                         value = strsep(&pbuf, " ");
1377                         if (value != NULL) {
1378                                 strict_strtoul(value, 0,
1379                                         (unsigned long *)&reg_val.Data);
1380                                 switch (i) {
1381                                 case 0:
1382                                         reg_val.Index = 0x08;
1383                                         reg_val.Mask = 0x0f;
1384                                         viafb_gpio_i2c_write_mask_lvds
1385                                             (viaparinfo->lvds_setting_info,
1386                                             &viaparinfo->
1387                                             chip_info->lvds_chip_info,
1388                                              reg_val);
1389                                         break;
1390                                 case 1:
1391                                         reg_val.Index = 0x09;
1392                                         reg_val.Mask = 0x1f;
1393                                         viafb_gpio_i2c_write_mask_lvds
1394                                             (viaparinfo->lvds_setting_info,
1395                                             &viaparinfo->
1396                                             chip_info->lvds_chip_info,
1397                                              reg_val);
1398                                         break;
1399                                 default:
1400                                         break;
1401                                 }
1402                         } else {
1403                                 break;
1404                         }
1405                 }
1406                 break;
1407         default:
1408                 break;
1409         }
1410         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1411         case VT1636_LVDS:
1412                 for (i = 0; i < 2; i++) {
1413                         value = strsep(&pbuf, " ");
1414                         if (value != NULL) {
1415                                 strict_strtoul(value, 0,
1416                                         (unsigned long *)&reg_val.Data);
1417                                 switch (i) {
1418                                 case 0:
1419                                         reg_val.Index = 0x08;
1420                                         reg_val.Mask = 0x0f;
1421                                         viafb_gpio_i2c_write_mask_lvds
1422                                             (viaparinfo->lvds_setting_info2,
1423                                             &viaparinfo->
1424                                             chip_info->lvds_chip_info2,
1425                                              reg_val);
1426                                         break;
1427                                 case 1:
1428                                         reg_val.Index = 0x09;
1429                                         reg_val.Mask = 0x1f;
1430                                         viafb_gpio_i2c_write_mask_lvds
1431                                             (viaparinfo->lvds_setting_info2,
1432                                             &viaparinfo->
1433                                             chip_info->lvds_chip_info2,
1434                                              reg_val);
1435                                         break;
1436                                 default:
1437                                         break;
1438                                 }
1439                         } else {
1440                                 break;
1441                         }
1442                 }
1443                 break;
1444         default:
1445                 break;
1446         }
1447         return count;
1448 }
1449
1450 static const struct file_operations viafb_vt1636_proc_fops = {
1451         .owner          = THIS_MODULE,
1452         .open           = viafb_vt1636_proc_open,
1453         .read           = seq_read,
1454         .llseek         = seq_lseek,
1455         .release        = single_release,
1456         .write          = viafb_vt1636_proc_write,
1457 };
1458
1459 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1460
1461 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1462 {
1463         via_odev_to_seq(m, supported_odev_map[
1464                 viaparinfo->shared->chip_info.gfx_chip_name]);
1465         return 0;
1466 }
1467
1468 static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
1469 {
1470         return single_open(file, viafb_sup_odev_proc_show, NULL);
1471 }
1472
1473 static const struct file_operations viafb_sup_odev_proc_fops = {
1474         .owner          = THIS_MODULE,
1475         .open           = viafb_sup_odev_proc_open,
1476         .read           = seq_read,
1477         .llseek         = seq_lseek,
1478         .release        = single_release,
1479 };
1480
1481 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1482 {
1483         char buf[64], *ptr = buf;
1484         u32 devices;
1485         bool add, sub;
1486
1487         if (count < 1 || count > 63)
1488                 return -EINVAL;
1489         if (copy_from_user(&buf[0], buffer, count))
1490                 return -EFAULT;
1491         buf[count] = '\0';
1492         add = buf[0] == '+';
1493         sub = buf[0] == '-';
1494         if (add || sub)
1495                 ptr++;
1496         devices = via_parse_odev(ptr, &ptr);
1497         if (*ptr == '\n')
1498                 ptr++;
1499         if (*ptr != 0)
1500                 return -EINVAL;
1501         if (add)
1502                 *odev |= devices;
1503         else if (sub)
1504                 *odev &= ~devices;
1505         else
1506                 *odev = devices;
1507         return count;
1508 }
1509
1510 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1511 {
1512         via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1513         return 0;
1514 }
1515
1516 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1517 {
1518         return single_open(file, viafb_iga1_odev_proc_show, NULL);
1519 }
1520
1521 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1522         const char __user *buffer, size_t count, loff_t *pos)
1523 {
1524         u32 dev_on, dev_off, dev_old, dev_new;
1525         ssize_t res;
1526
1527         dev_old = dev_new = viaparinfo->shared->iga1_devices;
1528         res = odev_update(buffer, count, &dev_new);
1529         if (res != count)
1530                 return res;
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);
1538         return res;
1539 }
1540
1541 static const struct file_operations viafb_iga1_odev_proc_fops = {
1542         .owner          = THIS_MODULE,
1543         .open           = viafb_iga1_odev_proc_open,
1544         .read           = seq_read,
1545         .llseek         = seq_lseek,
1546         .release        = single_release,
1547         .write          = viafb_iga1_odev_proc_write,
1548 };
1549
1550 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1551 {
1552         via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1553         return 0;
1554 }
1555
1556 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1557 {
1558         return single_open(file, viafb_iga2_odev_proc_show, NULL);
1559 }
1560
1561 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1562         const char __user *buffer, size_t count, loff_t *pos)
1563 {
1564         u32 dev_on, dev_off, dev_old, dev_new;
1565         ssize_t res;
1566
1567         dev_old = dev_new = viaparinfo->shared->iga2_devices;
1568         res = odev_update(buffer, count, &dev_new);
1569         if (res != count)
1570                 return res;
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);
1578         return res;
1579 }
1580
1581 static const struct file_operations viafb_iga2_odev_proc_fops = {
1582         .owner          = THIS_MODULE,
1583         .open           = viafb_iga2_odev_proc_open,
1584         .read           = seq_read,
1585         .llseek         = seq_lseek,
1586         .release        = single_release,
1587         .write          = viafb_iga2_odev_proc_write,
1588 };
1589
1590 #define IS_VT1636(lvds_chip)    ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1591 static void viafb_init_proc(struct viafb_shared *shared)
1592 {
1593         struct proc_dir_entry *iga1_entry, *iga2_entry,
1594                 *viafb_entry = proc_mkdir("viafb", NULL);
1595
1596         shared->proc_entry = viafb_entry;
1597         if (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 */
1608
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);
1619         }
1620 }
1621 static void viafb_remove_proc(struct viafb_shared *shared)
1622 {
1623         struct proc_dir_entry *viafb_entry = shared->proc_entry,
1624                 *iga1_entry = shared->iga1_proc_entry,
1625                 *iga2_entry = shared->iga2_proc_entry;
1626
1627         if (!viafb_entry)
1628                 return;
1629
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);
1635
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 */
1645
1646         remove_proc_entry("viafb", NULL);
1647 }
1648 #undef IS_VT1636
1649
1650 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1651 {
1652         char *ptr;
1653
1654         if (!str) {
1655                 *xres = 640;
1656                 *yres = 480;
1657                 return 0;
1658         }
1659
1660         *xres = simple_strtoul(str, &ptr, 10);
1661         if (ptr[0] != 'x')
1662                 return -EINVAL;
1663
1664         *yres = simple_strtoul(&ptr[1], &ptr, 10);
1665         if (ptr[0])
1666                 return -EINVAL;
1667
1668         return 0;
1669 }
1670
1671
1672 #ifdef CONFIG_PM
1673 int viafb_suspend(struct pci_dev *pdev, pm_message_t state)
1674 {
1675         if (state.event == PM_EVENT_SUSPEND) {
1676                 acquire_console_sem();
1677                 fb_set_suspend(viafbinfo, 1);
1678
1679                 viafb_sync(viafbinfo);
1680
1681                 pci_save_state(pdev);
1682                 pci_disable_device(pdev);
1683                 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1684                 release_console_sem();
1685         }
1686
1687         return 0;
1688 }
1689
1690 int viafb_resume(struct pci_dev *pdev)
1691 {
1692         acquire_console_sem();
1693         pci_set_power_state(pdev, PCI_D0);
1694         pci_restore_state(pdev);
1695         if (pci_enable_device(pdev))
1696                 goto fail;
1697         pci_set_master(pdev);
1698         if (viaparinfo->shared->vdev->engine_mmio)
1699                 viafb_reset_engine(viaparinfo);
1700         viafb_set_par(viafbinfo);
1701         if (viafb_dual_fb)
1702                 viafb_set_par(viafbinfo1);
1703         fb_set_suspend(viafbinfo, 0);
1704
1705 fail:
1706         release_console_sem();
1707         return 0;
1708 }
1709
1710 #endif
1711
1712
1713 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1714 {
1715         u32 default_xres, default_yres;
1716         struct VideoModeTable *vmode_entry;
1717         struct fb_var_screeninfo default_var;
1718         int rc;
1719         u32 viafb_par_length;
1720
1721         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1722         memset(&default_var, 0, sizeof(default_var));
1723         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1724
1725         /* Allocate fb_info and ***_par here, also including some other needed
1726          * variables
1727         */
1728         viafbinfo = framebuffer_alloc(viafb_par_length +
1729                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1730                 &vdev->pdev->dev);
1731         if (!viafbinfo) {
1732                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1733                 return -ENOMEM;
1734         }
1735
1736         viaparinfo = (struct viafb_par *)viafbinfo->par;
1737         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1738         viaparinfo->shared->vdev = vdev;
1739         viaparinfo->vram_addr = 0;
1740         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1741         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1742         viaparinfo->lvds_setting_info2 =
1743                 &viaparinfo->shared->lvds_setting_info2;
1744         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1745         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1746
1747         if (viafb_dual_fb)
1748                 viafb_SAMM_ON = 1;
1749         parse_lcd_port();
1750         parse_dvi_port();
1751
1752         viafb_init_chip_info(vdev->chip_type);
1753         /*
1754          * The framebuffer will have been successfully mapped by
1755          * the core (or we'd not be here), but we still need to
1756          * set up our own accounting.
1757          */
1758         viaparinfo->fbmem = vdev->fbmem_start;
1759         viaparinfo->memsize = vdev->fbmem_len;
1760         viaparinfo->fbmem_free = viaparinfo->memsize;
1761         viaparinfo->fbmem_used = 0;
1762         viafbinfo->screen_base = vdev->fbmem;
1763
1764         viafbinfo->fix.mmio_start = vdev->engine_start;
1765         viafbinfo->fix.mmio_len = vdev->engine_len;
1766         viafbinfo->node = 0;
1767         viafbinfo->fbops = &viafb_ops;
1768         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1769
1770         viafbinfo->pseudo_palette = pseudo_pal;
1771         if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
1772                 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1773                         FBINFO_HWACCEL_FILLRECT |  FBINFO_HWACCEL_IMAGEBLIT;
1774                 default_var.accel_flags = FB_ACCELF_TEXT;
1775         } else {
1776                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1777                 default_var.accel_flags = 0;
1778         }
1779
1780         if (viafb_second_size && (viafb_second_size < 8)) {
1781                 viafb_second_offset = viaparinfo->fbmem_free -
1782                         viafb_second_size * 1024 * 1024;
1783         } else {
1784                 viafb_second_size = 8;
1785                 viafb_second_offset = viaparinfo->fbmem_free -
1786                         viafb_second_size * 1024 * 1024;
1787         }
1788
1789         parse_mode(viafb_mode, &default_xres, &default_yres);
1790         vmode_entry = viafb_get_mode(default_xres, default_yres);
1791         if (viafb_SAMM_ON == 1) {
1792                 parse_mode(viafb_mode1, &viafb_second_xres,
1793                         &viafb_second_yres);
1794
1795                 viafb_second_virtual_xres = viafb_second_xres;
1796                 viafb_second_virtual_yres = viafb_second_yres;
1797         }
1798
1799         default_var.xres = default_xres;
1800         default_var.yres = default_yres;
1801         default_var.xres_virtual = default_xres;
1802         default_var.yres_virtual = default_yres;
1803         default_var.bits_per_pixel = viafb_bpp;
1804         default_var.pixclock =
1805             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1806         default_var.left_margin = (default_xres >> 3) & 0xf8;
1807         default_var.right_margin = 32;
1808         default_var.upper_margin = 16;
1809         default_var.lower_margin = 4;
1810         default_var.hsync_len = default_var.left_margin;
1811         default_var.vsync_len = 4;
1812         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1813         viafbinfo->var = default_var;
1814
1815         if (viafb_dual_fb) {
1816                 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1817                                 &vdev->pdev->dev);
1818                 if (!viafbinfo1) {
1819                         printk(KERN_ERR
1820                         "allocate the second framebuffer struct error\n");
1821                         rc = -ENOMEM;
1822                         goto out_fb_release;
1823                 }
1824                 viaparinfo1 = viafbinfo1->par;
1825                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1826                 viaparinfo1->vram_addr = viafb_second_offset;
1827                 viaparinfo1->memsize = viaparinfo->memsize -
1828                         viafb_second_offset;
1829                 viaparinfo->memsize = viafb_second_offset;
1830                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1831
1832                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1833                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1834                         viaparinfo1->fbmem_used;
1835                 viaparinfo->fbmem_free = viaparinfo->memsize;
1836                 viaparinfo->fbmem_used = 0;
1837
1838                 viaparinfo->iga_path = IGA1;
1839                 viaparinfo1->iga_path = IGA2;
1840                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1841                 viafbinfo1->par = viaparinfo1;
1842                 viafbinfo1->screen_base = viafbinfo->screen_base +
1843                         viafb_second_offset;
1844
1845                 default_var.xres = viafb_second_xres;
1846                 default_var.yres = viafb_second_yres;
1847                 default_var.xres_virtual = viafb_second_virtual_xres;
1848                 default_var.yres_virtual = viafb_second_virtual_yres;
1849                 default_var.bits_per_pixel = viafb_bpp1;
1850                 default_var.pixclock =
1851                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1852                     viafb_refresh);
1853                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1854                 default_var.right_margin = 32;
1855                 default_var.upper_margin = 16;
1856                 default_var.lower_margin = 4;
1857                 default_var.hsync_len = default_var.left_margin;
1858                 default_var.vsync_len = 4;
1859
1860                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1861                 viafb_check_var(&default_var, viafbinfo1);
1862                 viafbinfo1->var = default_var;
1863                 viafb_update_fix(viafbinfo1);
1864                 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1865                         &viafbinfo1->fix);
1866         }
1867
1868         viafb_check_var(&viafbinfo->var, viafbinfo);
1869         viafb_update_fix(viafbinfo);
1870         viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1871                 &viafbinfo->fix);
1872         default_var.activate = FB_ACTIVATE_NOW;
1873         rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1874         if (rc)
1875                 goto out_fb1_release;
1876
1877         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1878             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1879                 rc = register_framebuffer(viafbinfo1);
1880                 if (rc)
1881                         goto out_dealloc_cmap;
1882         }
1883         rc = register_framebuffer(viafbinfo);
1884         if (rc)
1885                 goto out_fb1_unreg_lcd_cle266;
1886
1887         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1888                         || (viaparinfo->chip_info->gfx_chip_name !=
1889                         UNICHROME_CLE266))) {
1890                 rc = register_framebuffer(viafbinfo1);
1891                 if (rc)
1892                         goto out_fb_unreg;
1893         }
1894         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1895                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1896                   default_var.yres, default_var.bits_per_pixel);
1897
1898         viafb_init_proc(viaparinfo->shared);
1899         viafb_init_dac(IGA2);
1900         return 0;
1901
1902 out_fb_unreg:
1903         unregister_framebuffer(viafbinfo);
1904 out_fb1_unreg_lcd_cle266:
1905         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1906             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1907                 unregister_framebuffer(viafbinfo1);
1908 out_dealloc_cmap:
1909         fb_dealloc_cmap(&viafbinfo->cmap);
1910 out_fb1_release:
1911         if (viafbinfo1)
1912                 framebuffer_release(viafbinfo1);
1913 out_fb_release:
1914         framebuffer_release(viafbinfo);
1915         return rc;
1916 }
1917
1918 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1919 {
1920         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1921         fb_dealloc_cmap(&viafbinfo->cmap);
1922         unregister_framebuffer(viafbinfo);
1923         if (viafb_dual_fb)
1924                 unregister_framebuffer(viafbinfo1);
1925         viafb_remove_proc(viaparinfo->shared);
1926         framebuffer_release(viafbinfo);
1927         if (viafb_dual_fb)
1928                 framebuffer_release(viafbinfo1);
1929 }
1930
1931 #ifndef MODULE
1932 static int __init viafb_setup(char *options)
1933 {
1934         char *this_opt;
1935         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1936
1937         if (!options || !*options)
1938                 return 0;
1939
1940         while ((this_opt = strsep(&options, ",")) != NULL) {
1941                 if (!*this_opt)
1942                         continue;
1943
1944                 if (!strncmp(this_opt, "viafb_mode1=", 12))
1945                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1946                 else if (!strncmp(this_opt, "viafb_mode=", 11))
1947                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1948                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1949                         strict_strtoul(this_opt + 11, 0,
1950                                 (unsigned long *)&viafb_bpp1);
1951                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1952                         strict_strtoul(this_opt + 10, 0,
1953                                 (unsigned long *)&viafb_bpp);
1954                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1955                         strict_strtoul(this_opt + 15, 0,
1956                                 (unsigned long *)&viafb_refresh1);
1957                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1958                         strict_strtoul(this_opt + 14, 0,
1959                                 (unsigned long *)&viafb_refresh);
1960                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1961                         strict_strtoul(this_opt + 21, 0,
1962                                 (unsigned long *)&viafb_lcd_dsp_method);
1963                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1964                         strict_strtoul(this_opt + 19, 0,
1965                                 (unsigned long *)&viafb_lcd_panel_id);
1966                 else if (!strncmp(this_opt, "viafb_accel=", 12))
1967                         strict_strtoul(this_opt + 12, 0,
1968                                 (unsigned long *)&viafb_accel);
1969                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1970                         strict_strtoul(this_opt + 14, 0,
1971                                 (unsigned long *)&viafb_SAMM_ON);
1972                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
1973                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1974                 else if (!strncmp(this_opt,
1975                         "viafb_display_hardware_layout=", 30))
1976                         strict_strtoul(this_opt + 30, 0,
1977                         (unsigned long *)&viafb_display_hardware_layout);
1978                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
1979                         strict_strtoul(this_opt + 18, 0,
1980                                 (unsigned long *)&viafb_second_size);
1981                 else if (!strncmp(this_opt,
1982                         "viafb_platform_epia_dvi=", 24))
1983                         strict_strtoul(this_opt + 24, 0,
1984                                 (unsigned long *)&viafb_platform_epia_dvi);
1985                 else if (!strncmp(this_opt,
1986                         "viafb_device_lcd_dualedge=", 26))
1987                         strict_strtoul(this_opt + 26, 0,
1988                                 (unsigned long *)&viafb_device_lcd_dualedge);
1989                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
1990                         strict_strtoul(this_opt + 16, 0,
1991                                 (unsigned long *)&viafb_bus_width);
1992                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
1993                         strict_strtoul(this_opt + 15, 0,
1994                                 (unsigned long *)&viafb_lcd_mode);
1995                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
1996                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
1997                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
1998                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
1999         }
2000         return 0;
2001 }
2002 #endif
2003
2004 /*
2005  * These are called out of via-core for now.
2006  */
2007 int __init viafb_init(void)
2008 {
2009         u32 dummy;
2010 #ifndef MODULE
2011         char *option = NULL;
2012         if (fb_get_options("viafb", &option))
2013                 return -ENODEV;
2014         viafb_setup(option);
2015 #endif
2016         if (parse_mode(viafb_mode, &dummy, &dummy)
2017                 || parse_mode(viafb_mode1, &dummy, &dummy)
2018                 || viafb_bpp < 0 || viafb_bpp > 32
2019                 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2020                 || parse_active_dev())
2021                 return -EINVAL;
2022
2023         printk(KERN_INFO
2024        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2025                VERSION_MAJOR, VERSION_MINOR);
2026         return 0;
2027 }
2028
2029 void __exit viafb_exit(void)
2030 {
2031         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2032 }
2033
2034 static struct fb_ops viafb_ops = {
2035         .owner = THIS_MODULE,
2036         .fb_open = viafb_open,
2037         .fb_release = viafb_release,
2038         .fb_check_var = viafb_check_var,
2039         .fb_set_par = viafb_set_par,
2040         .fb_setcolreg = viafb_setcolreg,
2041         .fb_pan_display = viafb_pan_display,
2042         .fb_blank = viafb_blank,
2043         .fb_fillrect = viafb_fillrect,
2044         .fb_copyarea = viafb_copyarea,
2045         .fb_imageblit = viafb_imageblit,
2046         .fb_cursor = viafb_cursor,
2047         .fb_ioctl = viafb_ioctl,
2048         .fb_sync = viafb_sync,
2049 };
2050
2051
2052 #ifdef MODULE
2053 module_param(viafb_mode, charp, S_IRUSR);
2054 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2055
2056 module_param(viafb_mode1, charp, S_IRUSR);
2057 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2058
2059 module_param(viafb_bpp, int, S_IRUSR);
2060 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2061
2062 module_param(viafb_bpp1, int, S_IRUSR);
2063 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2064
2065 module_param(viafb_refresh, int, S_IRUSR);
2066 MODULE_PARM_DESC(viafb_refresh,
2067         "Set CRT viafb_refresh rate (default = 60)");
2068
2069 module_param(viafb_refresh1, int, S_IRUSR);
2070 MODULE_PARM_DESC(viafb_refresh1,
2071         "Set CRT refresh rate (default = 60)");
2072
2073 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2074 MODULE_PARM_DESC(viafb_lcd_panel_id,
2075         "Set Flat Panel type(Default=1024x768)");
2076
2077 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2078 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2079         "Set Flat Panel display scaling method.(Default=Expandsion)");
2080
2081 module_param(viafb_SAMM_ON, int, S_IRUSR);
2082 MODULE_PARM_DESC(viafb_SAMM_ON,
2083         "Turn on/off flag of SAMM(Default=OFF)");
2084
2085 module_param(viafb_accel, int, S_IRUSR);
2086 MODULE_PARM_DESC(viafb_accel,
2087         "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2088
2089 module_param(viafb_active_dev, charp, S_IRUSR);
2090 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2091
2092 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2093 MODULE_PARM_DESC(viafb_display_hardware_layout,
2094         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2095
2096 module_param(viafb_second_size, int, S_IRUSR);
2097 MODULE_PARM_DESC(viafb_second_size,
2098         "Set secondary device memory size");
2099
2100 module_param(viafb_dual_fb, int, S_IRUSR);
2101 MODULE_PARM_DESC(viafb_dual_fb,
2102         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2103
2104 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2105 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2106         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2107
2108 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2109 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2110         "Turn on/off flag of dual edge panel.(Default = OFF)");
2111
2112 module_param(viafb_bus_width, int, S_IRUSR);
2113 MODULE_PARM_DESC(viafb_bus_width,
2114         "Set bus width of panel.(Default = 12)");
2115
2116 module_param(viafb_lcd_mode, int, S_IRUSR);
2117 MODULE_PARM_DESC(viafb_lcd_mode,
2118         "Set Flat Panel mode(Default=OPENLDI)");
2119
2120 module_param(viafb_lcd_port, charp, S_IRUSR);
2121 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2122
2123 module_param(viafb_dvi_port, charp, S_IRUSR);
2124 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2125
2126 MODULE_LICENSE("GPL");
2127 #endif