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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / video / via / viafbdev.c
blobbdd0e4130f4e7eeaf1224de5de47d15959570b08
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 (var->accel_flags & FB_ACCELF_TEXT &&
220 !ppar->shared->vdev->engine_mmio)
221 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
Tomato firmware and modifications.