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[mirror_ubuntu-artful-kernel.git] / drivers / video / via / viafbdev.c
1 /*
2 * Copyright 1998-2008 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/stat.h>
25 #define _MASTER_FILE
26
27 #include "global.h"
28
29 static char *viafb_name = "Via";
30 static u32 pseudo_pal[17];
31
32 /* video mode */
33 static char *viafb_mode;
34 static char *viafb_mode1;
35 static int viafb_bpp = 32;
36 static int viafb_bpp1 = 32;
37
38 static unsigned int viafb_second_offset;
39 static int viafb_second_size;
40
41 static int viafb_accel = 1;
42
43 /* Added for specifying active devices.*/
44 char *viafb_active_dev;
45
46 /*Added for specify lcd output port*/
47 char *viafb_lcd_port = "";
48 char *viafb_dvi_port = "";
49
50 static void viafb_set_device(struct device_t active_dev);
51 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
52 struct fb_info *info);
53 static void apply_second_mode_setting(struct fb_var_screeninfo
54 *sec_var);
55 static void retrieve_device_setting(struct viafb_ioctl_setting
56 *setting_info);
57 static int viafb_pan_display(struct fb_var_screeninfo *var,
58 struct fb_info *info);
59
60 static struct fb_ops viafb_ops;
61
62
63 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
64 {
65 var->grayscale = 0;
66 var->red.msb_right = 0;
67 var->green.msb_right = 0;
68 var->blue.msb_right = 0;
69 var->transp.offset = 0;
70 var->transp.length = 0;
71 var->transp.msb_right = 0;
72 var->nonstd = 0;
73 switch (depth) {
74 case 8:
75 var->bits_per_pixel = 8;
76 var->red.offset = 0;
77 var->green.offset = 0;
78 var->blue.offset = 0;
79 var->red.length = 6;
80 var->green.length = 6;
81 var->blue.length = 6;
82 break;
83 case 16:
84 var->bits_per_pixel = 16;
85 var->red.offset = 11;
86 var->green.offset = 5;
87 var->blue.offset = 0;
88 var->red.length = 5;
89 var->green.length = 6;
90 var->blue.length = 5;
91 break;
92 case 24:
93 var->bits_per_pixel = 32;
94 var->red.offset = 16;
95 var->green.offset = 8;
96 var->blue.offset = 0;
97 var->red.length = 8;
98 var->green.length = 8;
99 var->blue.length = 8;
100 break;
101 }
102 }
103
104 static void viafb_update_fix(struct fb_info *info)
105 {
106 u32 bpp = info->var.bits_per_pixel;
107
108 info->fix.visual =
109 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
110 info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
111 }
112
113 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
114 struct viafb_par *viaparinfo)
115 {
116 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
117 strcpy(fix->id, viafb_name);
118
119 fix->smem_start = viaparinfo->fbmem;
120 fix->smem_len = viaparinfo->fbmem_free;
121
122 fix->type = FB_TYPE_PACKED_PIXELS;
123 fix->type_aux = 0;
124 fix->visual = FB_VISUAL_TRUECOLOR;
125
126 fix->xpanstep = fix->ywrapstep = 0;
127 fix->ypanstep = 1;
128
129 /* Just tell the accel name */
130 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
131 }
132 static int viafb_open(struct fb_info *info, int user)
133 {
134 DEBUG_MSG(KERN_INFO "viafb_open!\n");
135 return 0;
136 }
137
138 static int viafb_release(struct fb_info *info, int user)
139 {
140 DEBUG_MSG(KERN_INFO "viafb_release!\n");
141 return 0;
142 }
143
144 static int viafb_check_var(struct fb_var_screeninfo *var,
145 struct fb_info *info)
146 {
147 int htotal, vtotal, depth;
148 struct VideoModeTable *vmode_entry;
149 struct viafb_par *ppar = info->par;
150 u32 long_refresh, line;
151
152 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
153 /* Sanity check */
154 /* HW neither support interlacte nor double-scaned mode */
155 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
156 return -EINVAL;
157
158 vmode_entry = viafb_get_mode(var->xres, var->yres);
159 if (!vmode_entry) {
160 DEBUG_MSG(KERN_INFO
161 "viafb: Mode %dx%dx%d not supported!!\n",
162 var->xres, var->yres, var->bits_per_pixel);
163 return -EINVAL;
164 }
165
166 depth = fb_get_color_depth(var, &info->fix);
167 if (!depth)
168 depth = var->bits_per_pixel;
169
170 if (depth < 0 || depth > 32)
171 return -EINVAL;
172 else if (!depth)
173 depth = 24;
174 else if (depth <= 8)
175 depth = 8;
176 else if (depth <= 16)
177 depth = 16;
178 else
179 depth = 24;
180
181 viafb_fill_var_color_info(var, depth);
182 line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
183 if (line * var->yres_virtual > ppar->memsize)
184 return -EINVAL;
185
186 /* Based on var passed in to calculate the refresh,
187 * because our driver use some modes special.
188 */
189 htotal = var->xres + var->left_margin +
190 var->right_margin + var->hsync_len;
191 vtotal = var->yres + var->upper_margin +
192 var->lower_margin + var->vsync_len;
193 long_refresh = 1000000000UL / var->pixclock * 1000;
194 long_refresh /= (htotal * vtotal);
195
196 viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
197
198 /* Adjust var according to our driver's own table */
199 viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
200 if (info->var.accel_flags & FB_ACCELF_TEXT &&
201 !ppar->shared->engine_mmio)
202 info->var.accel_flags = 0;
203
204 return 0;
205 }
206
207 static int viafb_set_par(struct fb_info *info)
208 {
209 struct viafb_par *viapar = info->par;
210 struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
211 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
212
213 viapar->depth = fb_get_color_depth(&info->var, &info->fix);
214 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
215 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
216
217 vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
218 if (viafb_dual_fb) {
219 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
220 viafbinfo1->var.yres);
221 viafb_update_device_setting(viafbinfo1->var.xres,
222 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
223 viafb_refresh1, 1);
224 } else if (viafb_SAMM_ON == 1) {
225 DEBUG_MSG(KERN_INFO
226 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
227 viafb_second_xres, viafb_second_yres, viafb_bpp1);
228 vmode_entry1 = viafb_get_mode(viafb_second_xres,
229 viafb_second_yres);
230
231 viafb_update_device_setting(viafb_second_xres,
232 viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
233 }
234
235 if (vmode_entry) {
236 viafb_update_fix(info);
237 if (viafb_dual_fb && viapar->iga_path == IGA2)
238 viafb_bpp1 = info->var.bits_per_pixel;
239 else
240 viafb_bpp = info->var.bits_per_pixel;
241
242 if (info->var.accel_flags & FB_ACCELF_TEXT)
243 info->flags &= ~FBINFO_HWACCEL_DISABLED;
244 else
245 info->flags |= FBINFO_HWACCEL_DISABLED;
246 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
247 vmode_entry1, viafb_bpp1);
248 viafb_pan_display(&info->var, info);
249 }
250
251 return 0;
252 }
253
254 /* Set one color register */
255 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
256 unsigned blue, unsigned transp, struct fb_info *info)
257 {
258 u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
259 unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
260 DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
261 if (regno >= cmap_entries)
262 return 1;
263 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
264 /*
265 * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
266 */
267 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
268 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
269 }
270 switch (info->var.bits_per_pixel) {
271 case 8:
272 outb(0x1A, 0x3C4);
273 sr1a = inb(0x3C5);
274 outb(0x1B, 0x3C4);
275 sr1b = inb(0x3C5);
276 outb(0x67, 0x3D4);
277 cr67 = inb(0x3D5);
278 outb(0x6A, 0x3D4);
279 cr6a = inb(0x3D5);
280
281 /* Map the 3C6/7/8/9 to the IGA2 */
282 outb(0x1A, 0x3C4);
283 outb(sr1a | 0x01, 0x3C5);
284 /* Second Display Engine colck always on */
285 outb(0x1B, 0x3C4);
286 outb(sr1b | 0x80, 0x3C5);
287 /* Second Display Color Depth 8 */
288 outb(0x67, 0x3D4);
289 outb(cr67 & 0x3F, 0x3D5);
290 outb(0x6A, 0x3D4);
291 /* Second Display Channel Reset CR6A[6]) */
292 outb(cr6a & 0xBF, 0x3D5);
293 /* Second Display Channel Enable CR6A[7] */
294 outb(cr6a | 0x80, 0x3D5);
295 /* Second Display Channel stop reset) */
296 outb(cr6a | 0x40, 0x3D5);
297
298 /* Bit mask of palette */
299 outb(0xFF, 0x3c6);
300 /* Write one register of IGA2 */
301 outb(regno, 0x3C8);
302 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
303 rev >= 15) {
304 shift = 8;
305 viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
306 viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
307 } else {
308 shift = 10;
309 viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
310 viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
311 }
312 outb(red >> shift, 0x3C9);
313 outb(green >> shift, 0x3C9);
314 outb(blue >> shift, 0x3C9);
315
316 /* Map the 3C6/7/8/9 to the IGA1 */
317 outb(0x1A, 0x3C4);
318 outb(sr1a & 0xFE, 0x3C5);
319 /* Bit mask of palette */
320 outb(0xFF, 0x3c6);
321 /* Write one register of IGA1 */
322 outb(regno, 0x3C8);
323 outb(red >> shift, 0x3C9);
324 outb(green >> shift, 0x3C9);
325 outb(blue >> shift, 0x3C9);
326
327 outb(0x1A, 0x3C4);
328 outb(sr1a, 0x3C5);
329 outb(0x1B, 0x3C4);
330 outb(sr1b, 0x3C5);
331 outb(0x67, 0x3D4);
332 outb(cr67, 0x3D5);
333 outb(0x6A, 0x3D4);
334 outb(cr6a, 0x3D5);
335 break;
336 case 16:
337 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
338 ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
339 break;
340 case 32:
341 ((u32 *) info->pseudo_palette)[regno] =
342 ((transp & 0xFF00) << 16) |
343 ((red & 0xFF00) << 8) |
344 ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
345 break;
346 }
347
348 return 0;
349
350 }
351
352 /*CALLED BY: fb_set_cmap */
353 /* fb_set_var, pass 256 colors */
354 /*CALLED BY: fb_set_cmap */
355 /* fbcon_set_palette, pass 16 colors */
356 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
357 {
358 u32 len = cmap->len;
359 u32 i;
360 u16 *pred = cmap->red;
361 u16 *pgreen = cmap->green;
362 u16 *pblue = cmap->blue;
363 u16 *ptransp = cmap->transp;
364 u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
365 if (len > 256)
366 return 1;
367 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
368 /*
369 * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
370 * rev.
371 */
372 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
373 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
374 }
375 switch (info->var.bits_per_pixel) {
376 case 8:
377 outb(0x1A, 0x3C4);
378 sr1a = inb(0x3C5);
379 outb(0x1B, 0x3C4);
380 sr1b = inb(0x3C5);
381 outb(0x67, 0x3D4);
382 cr67 = inb(0x3D5);
383 outb(0x6A, 0x3D4);
384 cr6a = inb(0x3D5);
385 /* Map the 3C6/7/8/9 to the IGA2 */
386 outb(0x1A, 0x3C4);
387 outb(sr1a | 0x01, 0x3C5);
388 outb(0x1B, 0x3C4);
389 /* Second Display Engine colck always on */
390 outb(sr1b | 0x80, 0x3C5);
391 outb(0x67, 0x3D4);
392 /* Second Display Color Depth 8 */
393 outb(cr67 & 0x3F, 0x3D5);
394 outb(0x6A, 0x3D4);
395 /* Second Display Channel Reset CR6A[6]) */
396 outb(cr6a & 0xBF, 0x3D5);
397 /* Second Display Channel Enable CR6A[7] */
398 outb(cr6a | 0x80, 0x3D5);
399 /* Second Display Channel stop reset) */
400 outb(cr6a | 0xC0, 0x3D5);
401
402 /* Bit mask of palette */
403 outb(0xFF, 0x3c6);
404 outb(0x00, 0x3C8);
405 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
406 rev >= 15) {
407 shift = 8;
408 viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
409 viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
410 } else {
411 shift = 10;
412 viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
413 viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
414 }
415 for (i = 0; i < len; i++) {
416 outb((*(pred + i)) >> shift, 0x3C9);
417 outb((*(pgreen + i)) >> shift, 0x3C9);
418 outb((*(pblue + i)) >> shift, 0x3C9);
419 }
420
421 outb(0x1A, 0x3C4);
422 /* Map the 3C6/7/8/9 to the IGA1 */
423 outb(sr1a & 0xFE, 0x3C5);
424 /* Bit mask of palette */
425 outb(0xFF, 0x3c6);
426 outb(0x00, 0x3C8);
427 for (i = 0; i < len; i++) {
428 outb((*(pred + i)) >> shift, 0x3C9);
429 outb((*(pgreen + i)) >> shift, 0x3C9);
430 outb((*(pblue + i)) >> shift, 0x3C9);
431 }
432
433 outb(0x1A, 0x3C4);
434 outb(sr1a, 0x3C5);
435 outb(0x1B, 0x3C4);
436 outb(sr1b, 0x3C5);
437 outb(0x67, 0x3D4);
438 outb(cr67, 0x3D5);
439 outb(0x6A, 0x3D4);
440 outb(cr6a, 0x3D5);
441 break;
442 case 16:
443 if (len > 17)
444 return 0; /* Because static u32 pseudo_pal[17]; */
445 for (i = 0; i < len; i++)
446 ((u32 *) info->pseudo_palette)[i] =
447 (*(pred + i) & 0xF800) |
448 ((*(pgreen + i) & 0xFC00) >> 5) |
449 ((*(pblue + i) & 0xF800) >> 11);
450 break;
451 case 32:
452 if (len > 17)
453 return 0;
454 if (ptransp) {
455 for (i = 0; i < len; i++)
456 ((u32 *) info->pseudo_palette)[i] =
457 ((*(ptransp + i) & 0xFF00) << 16) |
458 ((*(pred + i) & 0xFF00) << 8) |
459 ((*(pgreen + i) & 0xFF00)) |
460 ((*(pblue + i) & 0xFF00) >> 8);
461 } else {
462 for (i = 0; i < len; i++)
463 ((u32 *) info->pseudo_palette)[i] =
464 0x00000000 |
465 ((*(pred + i) & 0xFF00) << 8) |
466 ((*(pgreen + i) & 0xFF00)) |
467 ((*(pblue + i) & 0xFF00) >> 8);
468 }
469 break;
470 }
471 return 0;
472 }
473
474 static int viafb_pan_display(struct fb_var_screeninfo *var,
475 struct fb_info *info)
476 {
477 struct viafb_par *viapar = info->par;
478 u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
479 * (var->bits_per_pixel / 8) + viapar->vram_addr;
480
481 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
482 if (!viafb_dual_fb) {
483 viafb_set_primary_address(vram_addr);
484 viafb_set_secondary_address(vram_addr);
485 } else if (viapar->iga_path == IGA1)
486 viafb_set_primary_address(vram_addr);
487 else
488 viafb_set_secondary_address(vram_addr);
489
490 return 0;
491 }
492
493 static int viafb_blank(int blank_mode, struct fb_info *info)
494 {
495 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
496 /* clear DPMS setting */
497
498 switch (blank_mode) {
499 case FB_BLANK_UNBLANK:
500 /* Screen: On, HSync: On, VSync: On */
501 /* control CRT monitor power management */
502 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
503 break;
504 case FB_BLANK_HSYNC_SUSPEND:
505 /* Screen: Off, HSync: Off, VSync: On */
506 /* control CRT monitor power management */
507 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
508 break;
509 case FB_BLANK_VSYNC_SUSPEND:
510 /* Screen: Off, HSync: On, VSync: Off */
511 /* control CRT monitor power management */
512 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
513 break;
514 case FB_BLANK_POWERDOWN:
515 /* Screen: Off, HSync: Off, VSync: Off */
516 /* control CRT monitor power management */
517 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
518 break;
519 }
520
521 return 0;
522 }
523
524 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
525 {
526 union {
527 struct viafb_ioctl_mode viamode;
528 struct viafb_ioctl_samm viasamm;
529 struct viafb_driver_version driver_version;
530 struct fb_var_screeninfo sec_var;
531 struct _panel_size_pos_info panel_pos_size_para;
532 struct viafb_ioctl_setting viafb_setting;
533 struct device_t active_dev;
534 } u;
535 u32 state_info = 0;
536 u32 *viafb_gamma_table;
537 char driver_name[] = "viafb";
538
539 u32 __user *argp = (u32 __user *) arg;
540 u32 gpu32;
541
542 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
543 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
544 memset(&u, 0, sizeof(u));
545
546 switch (cmd) {
547 case VIAFB_GET_CHIP_INFO:
548 if (copy_to_user(argp, viaparinfo->chip_info,
549 sizeof(struct chip_information)))
550 return -EFAULT;
551 break;
552 case VIAFB_GET_INFO_SIZE:
553 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
554 case VIAFB_GET_INFO:
555 return viafb_ioctl_get_viafb_info(arg);
556 case VIAFB_HOTPLUG:
557 return put_user(viafb_ioctl_hotplug(info->var.xres,
558 info->var.yres,
559 info->var.bits_per_pixel), argp);
560 case VIAFB_SET_HOTPLUG_FLAG:
561 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
562 return -EFAULT;
563 viafb_hotplug = (gpu32) ? 1 : 0;
564 break;
565 case VIAFB_GET_RESOLUTION:
566 u.viamode.xres = (u32) viafb_hotplug_Xres;
567 u.viamode.yres = (u32) viafb_hotplug_Yres;
568 u.viamode.refresh = (u32) viafb_hotplug_refresh;
569 u.viamode.bpp = (u32) viafb_hotplug_bpp;
570 if (viafb_SAMM_ON == 1) {
571 u.viamode.xres_sec = viafb_second_xres;
572 u.viamode.yres_sec = viafb_second_yres;
573 u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
574 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
575 u.viamode.refresh_sec = viafb_refresh1;
576 u.viamode.bpp_sec = viafb_bpp1;
577 } else {
578 u.viamode.xres_sec = 0;
579 u.viamode.yres_sec = 0;
580 u.viamode.virtual_xres_sec = 0;
581 u.viamode.virtual_yres_sec = 0;
582 u.viamode.refresh_sec = 0;
583 u.viamode.bpp_sec = 0;
584 }
585 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
586 return -EFAULT;
587 break;
588 case VIAFB_GET_SAMM_INFO:
589 u.viasamm.samm_status = viafb_SAMM_ON;
590
591 if (viafb_SAMM_ON == 1) {
592 if (viafb_dual_fb) {
593 u.viasamm.size_prim = viaparinfo->fbmem_free;
594 u.viasamm.size_sec = viaparinfo1->fbmem_free;
595 } else {
596 if (viafb_second_size) {
597 u.viasamm.size_prim =
598 viaparinfo->fbmem_free -
599 viafb_second_size * 1024 * 1024;
600 u.viasamm.size_sec =
601 viafb_second_size * 1024 * 1024;
602 } else {
603 u.viasamm.size_prim =
604 viaparinfo->fbmem_free >> 1;
605 u.viasamm.size_sec =
606 (viaparinfo->fbmem_free >> 1);
607 }
608 }
609 u.viasamm.mem_base = viaparinfo->fbmem;
610 u.viasamm.offset_sec = viafb_second_offset;
611 } else {
612 u.viasamm.size_prim =
613 viaparinfo->memsize - viaparinfo->fbmem_used;
614 u.viasamm.size_sec = 0;
615 u.viasamm.mem_base = viaparinfo->fbmem;
616 u.viasamm.offset_sec = 0;
617 }
618
619 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
620 return -EFAULT;
621
622 break;
623 case VIAFB_TURN_ON_OUTPUT_DEVICE:
624 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
625 return -EFAULT;
626 if (gpu32 & CRT_Device)
627 viafb_crt_enable();
628 if (gpu32 & DVI_Device)
629 viafb_dvi_enable();
630 if (gpu32 & LCD_Device)
631 viafb_lcd_enable();
632 break;
633 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
634 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
635 return -EFAULT;
636 if (gpu32 & CRT_Device)
637 viafb_crt_disable();
638 if (gpu32 & DVI_Device)
639 viafb_dvi_disable();
640 if (gpu32 & LCD_Device)
641 viafb_lcd_disable();
642 break;
643 case VIAFB_SET_DEVICE:
644 if (copy_from_user(&u.active_dev, (void *)argp,
645 sizeof(u.active_dev)))
646 return -EFAULT;
647 viafb_set_device(u.active_dev);
648 viafb_set_par(info);
649 break;
650 case VIAFB_GET_DEVICE:
651 u.active_dev.crt = viafb_CRT_ON;
652 u.active_dev.dvi = viafb_DVI_ON;
653 u.active_dev.lcd = viafb_LCD_ON;
654 u.active_dev.samm = viafb_SAMM_ON;
655 u.active_dev.primary_dev = viafb_primary_dev;
656
657 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
658 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
659 u.active_dev.lcd_mode = viafb_lcd_mode;
660
661 u.active_dev.xres = viafb_hotplug_Xres;
662 u.active_dev.yres = viafb_hotplug_Yres;
663
664 u.active_dev.xres1 = viafb_second_xres;
665 u.active_dev.yres1 = viafb_second_yres;
666
667 u.active_dev.bpp = viafb_bpp;
668 u.active_dev.bpp1 = viafb_bpp1;
669 u.active_dev.refresh = viafb_refresh;
670 u.active_dev.refresh1 = viafb_refresh1;
671
672 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
673 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
674 u.active_dev.bus_width = viafb_bus_width;
675
676 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
677 return -EFAULT;
678 break;
679
680 case VIAFB_GET_DRIVER_VERSION:
681 u.driver_version.iMajorNum = VERSION_MAJOR;
682 u.driver_version.iKernelNum = VERSION_KERNEL;
683 u.driver_version.iOSNum = VERSION_OS;
684 u.driver_version.iMinorNum = VERSION_MINOR;
685
686 if (copy_to_user(argp, &u.driver_version,
687 sizeof(u.driver_version)))
688 return -EFAULT;
689
690 break;
691
692 case VIAFB_SET_DEVICE_INFO:
693 if (copy_from_user(&u.viafb_setting,
694 argp, sizeof(u.viafb_setting)))
695 return -EFAULT;
696 if (apply_device_setting(u.viafb_setting, info) < 0)
697 return -EINVAL;
698
699 break;
700
701 case VIAFB_SET_SECOND_MODE:
702 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
703 return -EFAULT;
704 apply_second_mode_setting(&u.sec_var);
705 break;
706
707 case VIAFB_GET_DEVICE_INFO:
708
709 retrieve_device_setting(&u.viafb_setting);
710
711 if (copy_to_user(argp, &u.viafb_setting,
712 sizeof(u.viafb_setting)))
713 return -EFAULT;
714
715 break;
716
717 case VIAFB_GET_DEVICE_SUPPORT:
718 viafb_get_device_support_state(&state_info);
719 if (put_user(state_info, argp))
720 return -EFAULT;
721 break;
722
723 case VIAFB_GET_DEVICE_CONNECT:
724 viafb_get_device_connect_state(&state_info);
725 if (put_user(state_info, argp))
726 return -EFAULT;
727 break;
728
729 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
730 state_info =
731 viafb_lcd_get_support_expand_state(info->var.xres,
732 info->var.yres);
733 if (put_user(state_info, argp))
734 return -EFAULT;
735 break;
736
737 case VIAFB_GET_DRIVER_NAME:
738 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
739 return -EFAULT;
740 break;
741
742 case VIAFB_SET_GAMMA_LUT:
743 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
744 if (!viafb_gamma_table)
745 return -ENOMEM;
746 if (copy_from_user(viafb_gamma_table, argp,
747 256 * sizeof(u32))) {
748 kfree(viafb_gamma_table);
749 return -EFAULT;
750 }
751 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
752 kfree(viafb_gamma_table);
753 break;
754
755 case VIAFB_GET_GAMMA_LUT:
756 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
757 if (!viafb_gamma_table)
758 return -ENOMEM;
759 viafb_get_gamma_table(viafb_gamma_table);
760 if (copy_to_user(argp, viafb_gamma_table,
761 256 * sizeof(u32))) {
762 kfree(viafb_gamma_table);
763 return -EFAULT;
764 }
765 kfree(viafb_gamma_table);
766 break;
767
768 case VIAFB_GET_GAMMA_SUPPORT_STATE:
769 viafb_get_gamma_support_state(viafb_bpp, &state_info);
770 if (put_user(state_info, argp))
771 return -EFAULT;
772 break;
773 case VIAFB_SYNC_SURFACE:
774 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
775 break;
776 case VIAFB_GET_DRIVER_CAPS:
777 break;
778
779 case VIAFB_GET_PANEL_MAX_SIZE:
780 if (copy_from_user(&u.panel_pos_size_para, argp,
781 sizeof(u.panel_pos_size_para)))
782 return -EFAULT;
783 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
784 if (copy_to_user(argp, &u.panel_pos_size_para,
785 sizeof(u.panel_pos_size_para)))
786 return -EFAULT;
787 break;
788 case VIAFB_GET_PANEL_MAX_POSITION:
789 if (copy_from_user(&u.panel_pos_size_para, argp,
790 sizeof(u.panel_pos_size_para)))
791 return -EFAULT;
792 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
793 if (copy_to_user(argp, &u.panel_pos_size_para,
794 sizeof(u.panel_pos_size_para)))
795 return -EFAULT;
796 break;
797
798 case VIAFB_GET_PANEL_POSITION:
799 if (copy_from_user(&u.panel_pos_size_para, argp,
800 sizeof(u.panel_pos_size_para)))
801 return -EFAULT;
802 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
803 if (copy_to_user(argp, &u.panel_pos_size_para,
804 sizeof(u.panel_pos_size_para)))
805 return -EFAULT;
806 break;
807 case VIAFB_GET_PANEL_SIZE:
808 if (copy_from_user(&u.panel_pos_size_para, argp,
809 sizeof(u.panel_pos_size_para)))
810 return -EFAULT;
811 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
812 if (copy_to_user(argp, &u.panel_pos_size_para,
813 sizeof(u.panel_pos_size_para)))
814 return -EFAULT;
815 break;
816
817 case VIAFB_SET_PANEL_POSITION:
818 if (copy_from_user(&u.panel_pos_size_para, argp,
819 sizeof(u.panel_pos_size_para)))
820 return -EFAULT;
821 break;
822 case VIAFB_SET_PANEL_SIZE:
823 if (copy_from_user(&u.panel_pos_size_para, argp,
824 sizeof(u.panel_pos_size_para)))
825 return -EFAULT;
826 break;
827
828 default:
829 return -EINVAL;
830 }
831
832 return 0;
833 }
834
835 static void viafb_fillrect(struct fb_info *info,
836 const struct fb_fillrect *rect)
837 {
838 struct viafb_par *viapar = info->par;
839 struct viafb_shared *shared = viapar->shared;
840 u32 fg_color;
841 u8 rop;
842
843 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
844 cfb_fillrect(info, rect);
845 return;
846 }
847
848 if (!rect->width || !rect->height)
849 return;
850
851 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
852 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
853 else
854 fg_color = rect->color;
855
856 if (rect->rop == ROP_XOR)
857 rop = 0x5A;
858 else
859 rop = 0xF0;
860
861 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
862 if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_FILL,
863 rect->width, rect->height, info->var.bits_per_pixel,
864 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
865 NULL, 0, 0, 0, 0, fg_color, 0, rop))
866 cfb_fillrect(info, rect);
867 }
868
869 static void viafb_copyarea(struct fb_info *info,
870 const struct fb_copyarea *area)
871 {
872 struct viafb_par *viapar = info->par;
873 struct viafb_shared *shared = viapar->shared;
874
875 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
876 cfb_copyarea(info, area);
877 return;
878 }
879
880 if (!area->width || !area->height)
881 return;
882
883 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
884 if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_COLOR,
885 area->width, area->height, info->var.bits_per_pixel,
886 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
887 NULL, viapar->vram_addr, info->fix.line_length,
888 area->sx, area->sy, 0, 0, 0))
889 cfb_copyarea(info, area);
890 }
891
892 static void viafb_imageblit(struct fb_info *info,
893 const struct fb_image *image)
894 {
895 struct viafb_par *viapar = info->par;
896 struct viafb_shared *shared = viapar->shared;
897 u32 fg_color = 0, bg_color = 0;
898 u8 op;
899
900 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
901 (image->depth != 1 && image->depth != viapar->depth)) {
902 cfb_imageblit(info, image);
903 return;
904 }
905
906 if (image->depth == 1) {
907 op = VIA_BITBLT_MONO;
908 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
909 fg_color =
910 ((u32 *)info->pseudo_palette)[image->fg_color];
911 bg_color =
912 ((u32 *)info->pseudo_palette)[image->bg_color];
913 } else {
914 fg_color = image->fg_color;
915 bg_color = image->bg_color;
916 }
917 } else
918 op = VIA_BITBLT_COLOR;
919
920 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
921 if (shared->hw_bitblt(shared->engine_mmio, op,
922 image->width, image->height, info->var.bits_per_pixel,
923 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
924 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
925 cfb_imageblit(info, image);
926 }
927
928 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
929 {
930 struct viafb_par *viapar = info->par;
931 void __iomem *engine = viapar->shared->engine_mmio;
932 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
933 chip_name = viapar->shared->chip_info.gfx_chip_name;
934 int i, j = 0, cur_size = 64;
935
936 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
937 return -ENODEV;
938
939 /* LCD ouput does not support hw cursors (at least on VN896) */
940 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
941 viafb_LCD_ON)
942 return -ENODEV;
943
944 viafb_show_hw_cursor(info, HW_Cursor_OFF);
945
946 if (cursor->set & FB_CUR_SETHOT) {
947 temp = (cursor->hot.x << 16) + cursor->hot.y;
948 writel(temp, engine + VIA_REG_CURSOR_ORG);
949 }
950
951 if (cursor->set & FB_CUR_SETPOS) {
952 yy = cursor->image.dy - info->var.yoffset;
953 xx = cursor->image.dx - info->var.xoffset;
954 temp = yy & 0xFFFF;
955 temp |= (xx << 16);
956 writel(temp, engine + VIA_REG_CURSOR_POS);
957 }
958
959 if (cursor->image.width <= 32 && cursor->image.height <= 32)
960 cur_size = 32;
961 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
962 cur_size = 64;
963 else {
964 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
965 "%dx%d", cursor->image.width, cursor->image.height);
966 return -ENXIO;
967 }
968
969 if (cursor->set & FB_CUR_SETSIZE) {
970 temp = readl(engine + VIA_REG_CURSOR_MODE);
971 if (cur_size == 32)
972 temp |= 0x2;
973 else
974 temp &= ~0x2;
975
976 writel(temp, engine + VIA_REG_CURSOR_MODE);
977 }
978
979 if (cursor->set & FB_CUR_SETCMAP) {
980 fg_color = cursor->image.fg_color;
981 bg_color = cursor->image.bg_color;
982 if (chip_name == UNICHROME_CX700 ||
983 chip_name == UNICHROME_VX800 ||
984 chip_name == UNICHROME_VX855) {
985 fg_color =
986 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
987 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
988 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
989 bg_color =
990 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
991 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
992 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
993 } else {
994 fg_color =
995 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
996 (info->cmap.green[fg_color] & 0xFF00) |
997 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
998 bg_color =
999 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
1000 (info->cmap.green[bg_color] & 0xFF00) |
1001 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
1002 }
1003
1004 writel(bg_color, engine + VIA_REG_CURSOR_BG);
1005 writel(fg_color, engine + VIA_REG_CURSOR_FG);
1006 }
1007
1008 if (cursor->set & FB_CUR_SETSHAPE) {
1009 struct {
1010 u8 data[CURSOR_SIZE];
1011 u32 bak[CURSOR_SIZE / 4];
1012 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
1013 int size = ((cursor->image.width + 7) >> 3) *
1014 cursor->image.height;
1015
1016 if (!cr_data)
1017 return -ENOMEM;
1018
1019 if (cur_size == 32) {
1020 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
1021 cr_data->bak[i] = 0x0;
1022 cr_data->bak[i + 1] = 0xFFFFFFFF;
1023 i += 1;
1024 }
1025 } else {
1026 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
1027 cr_data->bak[i] = 0x0;
1028 cr_data->bak[i + 1] = 0x0;
1029 cr_data->bak[i + 2] = 0xFFFFFFFF;
1030 cr_data->bak[i + 3] = 0xFFFFFFFF;
1031 i += 3;
1032 }
1033 }
1034
1035 switch (cursor->rop) {
1036 case ROP_XOR:
1037 for (i = 0; i < size; i++)
1038 cr_data->data[i] = cursor->mask[i];
1039 break;
1040 case ROP_COPY:
1041
1042 for (i = 0; i < size; i++)
1043 cr_data->data[i] = cursor->mask[i];
1044 break;
1045 default:
1046 break;
1047 }
1048
1049 if (cur_size == 32) {
1050 for (i = 0; i < size; i++) {
1051 cr_data->bak[j] = (u32) cr_data->data[i];
1052 cr_data->bak[j + 1] = ~cr_data->bak[j];
1053 j += 2;
1054 }
1055 } else {
1056 for (i = 0; i < size; i++) {
1057 cr_data->bak[j] = (u32) cr_data->data[i];
1058 cr_data->bak[j + 1] = 0x0;
1059 cr_data->bak[j + 2] = ~cr_data->bak[j];
1060 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
1061 j += 4;
1062 }
1063 }
1064
1065 memcpy_toio(viafbinfo->screen_base + viapar->shared->
1066 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
1067 kfree(cr_data);
1068 }
1069
1070 if (cursor->enable)
1071 viafb_show_hw_cursor(info, HW_Cursor_ON);
1072
1073 return 0;
1074 }
1075
1076 static int viafb_sync(struct fb_info *info)
1077 {
1078 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1079 viafb_wait_engine_idle(info);
1080 return 0;
1081 }
1082
1083 static void check_available_device_to_enable(int device_id)
1084 {
1085 int device_num = 0;
1086
1087 /* Initialize: */
1088 viafb_CRT_ON = STATE_OFF;
1089 viafb_DVI_ON = STATE_OFF;
1090 viafb_LCD_ON = STATE_OFF;
1091 viafb_LCD2_ON = STATE_OFF;
1092 viafb_DeviceStatus = None_Device;
1093
1094 if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1095 viafb_CRT_ON = STATE_ON;
1096 device_num++;
1097 viafb_DeviceStatus |= CRT_Device;
1098 }
1099
1100 if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1101 viafb_DVI_ON = STATE_ON;
1102 device_num++;
1103 viafb_DeviceStatus |= DVI_Device;
1104 }
1105
1106 if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1107 viafb_LCD_ON = STATE_ON;
1108 device_num++;
1109 viafb_DeviceStatus |= LCD_Device;
1110 }
1111
1112 if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1113 viafb_LCD2_ON = STATE_ON;
1114 device_num++;
1115 viafb_DeviceStatus |= LCD2_Device;
1116 }
1117
1118 if (viafb_DeviceStatus == None_Device) {
1119 /* Use CRT as default active device: */
1120 viafb_CRT_ON = STATE_ON;
1121 viafb_DeviceStatus = CRT_Device;
1122 }
1123 DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1124 }
1125
1126 static void viafb_set_device(struct device_t active_dev)
1127 {
1128 /* Check available device to enable: */
1129 int device_id = None_Device;
1130 if (active_dev.crt)
1131 device_id |= CRT_Device;
1132 if (active_dev.dvi)
1133 device_id |= DVI_Device;
1134 if (active_dev.lcd)
1135 device_id |= LCD_Device;
1136
1137 check_available_device_to_enable(device_id);
1138
1139 /* Check property of LCD: */
1140 if (viafb_LCD_ON) {
1141 if (active_dev.lcd_dsp_cent) {
1142 viaparinfo->lvds_setting_info->display_method =
1143 viafb_lcd_dsp_method = LCD_CENTERING;
1144 } else {
1145 viaparinfo->lvds_setting_info->display_method =
1146 viafb_lcd_dsp_method = LCD_EXPANDSION;
1147 }
1148
1149 if (active_dev.lcd_mode == LCD_SPWG) {
1150 viaparinfo->lvds_setting_info->lcd_mode =
1151 viafb_lcd_mode = LCD_SPWG;
1152 } else {
1153 viaparinfo->lvds_setting_info->lcd_mode =
1154 viafb_lcd_mode = LCD_OPENLDI;
1155 }
1156
1157 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1158 viafb_lcd_panel_id = active_dev.lcd_panel_id;
1159 viafb_init_lcd_size();
1160 }
1161 }
1162
1163 /* Check property of mode: */
1164 if (!active_dev.xres1)
1165 viafb_second_xres = 640;
1166 else
1167 viafb_second_xres = active_dev.xres1;
1168 if (!active_dev.yres1)
1169 viafb_second_yres = 480;
1170 else
1171 viafb_second_yres = active_dev.yres1;
1172 if (active_dev.bpp != 0)
1173 viafb_bpp = active_dev.bpp;
1174 if (active_dev.bpp1 != 0)
1175 viafb_bpp1 = active_dev.bpp1;
1176 if (active_dev.refresh != 0)
1177 viafb_refresh = active_dev.refresh;
1178 if (active_dev.refresh1 != 0)
1179 viafb_refresh1 = active_dev.refresh1;
1180 if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1181 viafb_SAMM_ON = active_dev.samm;
1182 viafb_primary_dev = active_dev.primary_dev;
1183
1184 viafb_set_primary_address(0);
1185 viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1186 viafb_set_iga_path();
1187 }
1188
1189 static int get_primary_device(void)
1190 {
1191 int primary_device = 0;
1192 /* Rule: device on iga1 path are the primary device. */
1193 if (viafb_SAMM_ON) {
1194 if (viafb_CRT_ON) {
1195 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1196 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1197 viaparinfo->
1198 crt_setting_info->iga_path);
1199 primary_device = CRT_Device;
1200 }
1201 }
1202 if (viafb_DVI_ON) {
1203 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1204 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1205 viaparinfo->
1206 tmds_setting_info->iga_path);
1207 primary_device = DVI_Device;
1208 }
1209 }
1210 if (viafb_LCD_ON) {
1211 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1212 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1213 viaparinfo->
1214 lvds_setting_info->iga_path);
1215 primary_device = LCD_Device;
1216 }
1217 }
1218 if (viafb_LCD2_ON) {
1219 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1220 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1221 viaparinfo->
1222 lvds_setting_info2->iga_path);
1223 primary_device = LCD2_Device;
1224 }
1225 }
1226 }
1227 return primary_device;
1228 }
1229
1230 static void apply_second_mode_setting(struct fb_var_screeninfo
1231 *sec_var)
1232 {
1233 u32 htotal, vtotal, long_refresh;
1234
1235 htotal = sec_var->xres + sec_var->left_margin +
1236 sec_var->right_margin + sec_var->hsync_len;
1237 vtotal = sec_var->yres + sec_var->upper_margin +
1238 sec_var->lower_margin + sec_var->vsync_len;
1239 if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1240 /*Is 32 bytes alignment? */
1241 /*32 pixel alignment */
1242 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1243 }
1244
1245 htotal = sec_var->xres + sec_var->left_margin +
1246 sec_var->right_margin + sec_var->hsync_len;
1247 vtotal = sec_var->yres + sec_var->upper_margin +
1248 sec_var->lower_margin + sec_var->vsync_len;
1249 long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1250 long_refresh /= (htotal * vtotal);
1251
1252 viafb_second_xres = sec_var->xres;
1253 viafb_second_yres = sec_var->yres;
1254 viafb_second_virtual_xres = sec_var->xres_virtual;
1255 viafb_second_virtual_yres = sec_var->yres_virtual;
1256 viafb_bpp1 = sec_var->bits_per_pixel;
1257 viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1258 long_refresh);
1259 }
1260
1261 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1262 struct fb_info *info)
1263 {
1264 int need_set_mode = 0;
1265 DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1266
1267 if (setting_info.device_flag) {
1268 need_set_mode = 1;
1269 check_available_device_to_enable(setting_info.device_status);
1270 }
1271
1272 /* Unlock LCD's operation according to LCD flag
1273 and check if the setting value is valid. */
1274 /* If the value is valid, apply the new setting value to the device. */
1275 if (viafb_LCD_ON) {
1276 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1277 need_set_mode = 1;
1278 if (setting_info.lcd_attributes.display_center) {
1279 /* Centering */
1280 viaparinfo->lvds_setting_info->display_method =
1281 LCD_CENTERING;
1282 viafb_lcd_dsp_method = LCD_CENTERING;
1283 viaparinfo->lvds_setting_info2->display_method =
1284 viafb_lcd_dsp_method = LCD_CENTERING;
1285 } else {
1286 /* expandsion */
1287 viaparinfo->lvds_setting_info->display_method =
1288 LCD_EXPANDSION;
1289 viafb_lcd_dsp_method = LCD_EXPANDSION;
1290 viaparinfo->lvds_setting_info2->display_method =
1291 LCD_EXPANDSION;
1292 viafb_lcd_dsp_method = LCD_EXPANDSION;
1293 }
1294 }
1295
1296 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1297 need_set_mode = 1;
1298 if (setting_info.lcd_attributes.lcd_mode ==
1299 LCD_SPWG) {
1300 viaparinfo->lvds_setting_info->lcd_mode =
1301 viafb_lcd_mode = LCD_SPWG;
1302 } else {
1303 viaparinfo->lvds_setting_info->lcd_mode =
1304 viafb_lcd_mode = LCD_OPENLDI;
1305 }
1306 viaparinfo->lvds_setting_info2->lcd_mode =
1307 viaparinfo->lvds_setting_info->lcd_mode;
1308 }
1309
1310 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1311 need_set_mode = 1;
1312 if (setting_info.lcd_attributes.panel_id <=
1313 LCD_PANEL_ID_MAXIMUM) {
1314 viafb_lcd_panel_id =
1315 setting_info.lcd_attributes.panel_id;
1316 viafb_init_lcd_size();
1317 }
1318 }
1319 }
1320
1321 if (0 != (setting_info.samm_status & OP_SAMM)) {
1322 setting_info.samm_status =
1323 setting_info.samm_status & (~OP_SAMM);
1324 if (setting_info.samm_status == 0
1325 || setting_info.samm_status == 1) {
1326 viafb_SAMM_ON = setting_info.samm_status;
1327
1328 if (viafb_SAMM_ON)
1329 viafb_primary_dev = setting_info.primary_device;
1330
1331 viafb_set_primary_address(0);
1332 viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1333 viafb_set_iga_path();
1334 }
1335 need_set_mode = 1;
1336 }
1337
1338 if (!need_set_mode) {
1339 ;
1340 } else {
1341 viafb_set_iga_path();
1342 viafb_set_par(info);
1343 }
1344 return true;
1345 }
1346
1347 static void retrieve_device_setting(struct viafb_ioctl_setting
1348 *setting_info)
1349 {
1350
1351 /* get device status */
1352 if (viafb_CRT_ON == 1)
1353 setting_info->device_status = CRT_Device;
1354 if (viafb_DVI_ON == 1)
1355 setting_info->device_status |= DVI_Device;
1356 if (viafb_LCD_ON == 1)
1357 setting_info->device_status |= LCD_Device;
1358 if (viafb_LCD2_ON == 1)
1359 setting_info->device_status |= LCD2_Device;
1360
1361 setting_info->samm_status = viafb_SAMM_ON;
1362 setting_info->primary_device = get_primary_device();
1363
1364 setting_info->first_dev_bpp = viafb_bpp;
1365 setting_info->second_dev_bpp = viafb_bpp1;
1366
1367 setting_info->first_dev_refresh = viafb_refresh;
1368 setting_info->second_dev_refresh = viafb_refresh1;
1369
1370 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1371 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1372 setting_info->second_dev_hor_res = viafb_second_xres;
1373 setting_info->second_dev_ver_res = viafb_second_yres;
1374
1375 /* Get lcd attributes */
1376 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1377 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1378 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1379 }
1380
1381 static int parse_active_dev(void)
1382 {
1383 viafb_CRT_ON = STATE_OFF;
1384 viafb_DVI_ON = STATE_OFF;
1385 viafb_LCD_ON = STATE_OFF;
1386 viafb_LCD2_ON = STATE_OFF;
1387 /* 1. Modify the active status of devices. */
1388 /* 2. Keep the order of devices, so we can set corresponding
1389 IGA path to devices in SAMM case. */
1390 /* Note: The previous of active_dev is primary device,
1391 and the following is secondary device. */
1392 if (!viafb_active_dev) {
1393 viafb_CRT_ON = STATE_ON;
1394 viafb_SAMM_ON = STATE_OFF;
1395 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1396 /* CRT+DVI */
1397 viafb_CRT_ON = STATE_ON;
1398 viafb_DVI_ON = STATE_ON;
1399 viafb_primary_dev = CRT_Device;
1400 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1401 /* DVI+CRT */
1402 viafb_CRT_ON = STATE_ON;
1403 viafb_DVI_ON = STATE_ON;
1404 viafb_primary_dev = DVI_Device;
1405 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1406 /* CRT+LCD */
1407 viafb_CRT_ON = STATE_ON;
1408 viafb_LCD_ON = STATE_ON;
1409 viafb_primary_dev = CRT_Device;
1410 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1411 /* LCD+CRT */
1412 viafb_CRT_ON = STATE_ON;
1413 viafb_LCD_ON = STATE_ON;
1414 viafb_primary_dev = LCD_Device;
1415 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1416 /* DVI+LCD */
1417 viafb_DVI_ON = STATE_ON;
1418 viafb_LCD_ON = STATE_ON;
1419 viafb_primary_dev = DVI_Device;
1420 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1421 /* LCD+DVI */
1422 viafb_DVI_ON = STATE_ON;
1423 viafb_LCD_ON = STATE_ON;
1424 viafb_primary_dev = LCD_Device;
1425 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1426 viafb_LCD_ON = STATE_ON;
1427 viafb_LCD2_ON = STATE_ON;
1428 viafb_primary_dev = LCD_Device;
1429 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1430 viafb_LCD_ON = STATE_ON;
1431 viafb_LCD2_ON = STATE_ON;
1432 viafb_primary_dev = LCD2_Device;
1433 } else if (!strcmp(viafb_active_dev, "CRT")) {
1434 /* CRT only */
1435 viafb_CRT_ON = STATE_ON;
1436 viafb_SAMM_ON = STATE_OFF;
1437 } else if (!strcmp(viafb_active_dev, "DVI")) {
1438 /* DVI only */
1439 viafb_DVI_ON = STATE_ON;
1440 viafb_SAMM_ON = STATE_OFF;
1441 } else if (!strcmp(viafb_active_dev, "LCD")) {
1442 /* LCD only */
1443 viafb_LCD_ON = STATE_ON;
1444 viafb_SAMM_ON = STATE_OFF;
1445 } else
1446 return -EINVAL;
1447
1448 return 0;
1449 }
1450
1451 static int parse_port(char *opt_str, int *output_interface)
1452 {
1453 if (!strncmp(opt_str, "DVP0", 4))
1454 *output_interface = INTERFACE_DVP0;
1455 else if (!strncmp(opt_str, "DVP1", 4))
1456 *output_interface = INTERFACE_DVP1;
1457 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1458 *output_interface = INTERFACE_DFP;
1459 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1460 *output_interface = INTERFACE_DFP_HIGH;
1461 else if (!strncmp(opt_str, "DFP_LOW", 7))
1462 *output_interface = INTERFACE_DFP_LOW;
1463 else
1464 *output_interface = INTERFACE_NONE;
1465 return 0;
1466 }
1467
1468 static void parse_lcd_port(void)
1469 {
1470 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1471 output_interface);
1472 /*Initialize to avoid unexpected behavior */
1473 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1474 INTERFACE_NONE;
1475
1476 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1477 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1478 output_interface);
1479 }
1480
1481 static void parse_dvi_port(void)
1482 {
1483 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1484 output_interface);
1485
1486 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1487 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1488 output_interface);
1489 }
1490
1491 /*
1492 * The proc filesystem read/write function, a simple proc implement to
1493 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1494 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1495 * CR9B, SR65, CR97, CR99
1496 */
1497 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1498 {
1499 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1500 dvp0_data_dri =
1501 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1502 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1503 dvp0_clk_dri =
1504 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1505 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1506 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1507 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1508 return 0;
1509 }
1510
1511 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1512 {
1513 return single_open(file, viafb_dvp0_proc_show, NULL);
1514 }
1515
1516 static ssize_t viafb_dvp0_proc_write(struct file *file,
1517 const char __user *buffer, size_t count, loff_t *pos)
1518 {
1519 char buf[20], *value, *pbuf;
1520 u8 reg_val = 0;
1521 unsigned long length, i;
1522 if (count < 1)
1523 return -EINVAL;
1524 length = count > 20 ? 20 : count;
1525 if (copy_from_user(&buf[0], buffer, length))
1526 return -EFAULT;
1527 buf[length - 1] = '\0'; /*Ensure end string */
1528 pbuf = &buf[0];
1529 for (i = 0; i < 3; i++) {
1530 value = strsep(&pbuf, " ");
1531 if (value != NULL) {
1532 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1533 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1534 reg_val);
1535 switch (i) {
1536 case 0:
1537 viafb_write_reg_mask(CR96, VIACR,
1538 reg_val, 0x0f);
1539 break;
1540 case 1:
1541 viafb_write_reg_mask(SR2A, VIASR,
1542 reg_val << 4, BIT5);
1543 viafb_write_reg_mask(SR1B, VIASR,
1544 reg_val << 1, BIT1);
1545 break;
1546 case 2:
1547 viafb_write_reg_mask(SR2A, VIASR,
1548 reg_val << 3, BIT4);
1549 viafb_write_reg_mask(SR1E, VIASR,
1550 reg_val << 2, BIT2);
1551 break;
1552 default:
1553 break;
1554 }
1555 } else {
1556 break;
1557 }
1558 }
1559 return count;
1560 }
1561
1562 static const struct file_operations viafb_dvp0_proc_fops = {
1563 .owner = THIS_MODULE,
1564 .open = viafb_dvp0_proc_open,
1565 .read = seq_read,
1566 .llseek = seq_lseek,
1567 .release = single_release,
1568 .write = viafb_dvp0_proc_write,
1569 };
1570
1571 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1572 {
1573 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1574 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1575 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1576 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1577 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1578 return 0;
1579 }
1580
1581 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1582 {
1583 return single_open(file, viafb_dvp1_proc_show, NULL);
1584 }
1585
1586 static ssize_t viafb_dvp1_proc_write(struct file *file,
1587 const char __user *buffer, size_t count, loff_t *pos)
1588 {
1589 char buf[20], *value, *pbuf;
1590 u8 reg_val = 0;
1591 unsigned long length, i;
1592 if (count < 1)
1593 return -EINVAL;
1594 length = count > 20 ? 20 : count;
1595 if (copy_from_user(&buf[0], buffer, length))
1596 return -EFAULT;
1597 buf[length - 1] = '\0'; /*Ensure end string */
1598 pbuf = &buf[0];
1599 for (i = 0; i < 3; i++) {
1600 value = strsep(&pbuf, " ");
1601 if (value != NULL) {
1602 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1603 switch (i) {
1604 case 0:
1605 viafb_write_reg_mask(CR9B, VIACR,
1606 reg_val, 0x0f);
1607 break;
1608 case 1:
1609 viafb_write_reg_mask(SR65, VIASR,
1610 reg_val << 2, 0x0c);
1611 break;
1612 case 2:
1613 viafb_write_reg_mask(SR65, VIASR,
1614 reg_val, 0x03);
1615 break;
1616 default:
1617 break;
1618 }
1619 } else {
1620 break;
1621 }
1622 }
1623 return count;
1624 }
1625
1626 static const struct file_operations viafb_dvp1_proc_fops = {
1627 .owner = THIS_MODULE,
1628 .open = viafb_dvp1_proc_open,
1629 .read = seq_read,
1630 .llseek = seq_lseek,
1631 .release = single_release,
1632 .write = viafb_dvp1_proc_write,
1633 };
1634
1635 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1636 {
1637 u8 dfp_high = 0;
1638 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1639 seq_printf(m, "%x\n", dfp_high);
1640 return 0;
1641 }
1642
1643 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1644 {
1645 return single_open(file, viafb_dfph_proc_show, NULL);
1646 }
1647
1648 static ssize_t viafb_dfph_proc_write(struct file *file,
1649 const char __user *buffer, size_t count, loff_t *pos)
1650 {
1651 char buf[20];
1652 u8 reg_val = 0;
1653 unsigned long length;
1654 if (count < 1)
1655 return -EINVAL;
1656 length = count > 20 ? 20 : count;
1657 if (copy_from_user(&buf[0], buffer, length))
1658 return -EFAULT;
1659 buf[length - 1] = '\0'; /*Ensure end string */
1660 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1661 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1662 return count;
1663 }
1664
1665 static const struct file_operations viafb_dfph_proc_fops = {
1666 .owner = THIS_MODULE,
1667 .open = viafb_dfph_proc_open,
1668 .read = seq_read,
1669 .llseek = seq_lseek,
1670 .release = single_release,
1671 .write = viafb_dfph_proc_write,
1672 };
1673
1674 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1675 {
1676 u8 dfp_low = 0;
1677 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1678 seq_printf(m, "%x\n", dfp_low);
1679 return 0;
1680 }
1681
1682 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1683 {
1684 return single_open(file, viafb_dfpl_proc_show, NULL);
1685 }
1686
1687 static ssize_t viafb_dfpl_proc_write(struct file *file,
1688 const char __user *buffer, size_t count, loff_t *pos)
1689 {
1690 char buf[20];
1691 u8 reg_val = 0;
1692 unsigned long length;
1693 if (count < 1)
1694 return -EINVAL;
1695 length = count > 20 ? 20 : count;
1696 if (copy_from_user(&buf[0], buffer, length))
1697 return -EFAULT;
1698 buf[length - 1] = '\0'; /*Ensure end string */
1699 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1700 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1701 return count;
1702 }
1703
1704 static const struct file_operations viafb_dfpl_proc_fops = {
1705 .owner = THIS_MODULE,
1706 .open = viafb_dfpl_proc_open,
1707 .read = seq_read,
1708 .llseek = seq_lseek,
1709 .release = single_release,
1710 .write = viafb_dfpl_proc_write,
1711 };
1712
1713 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1714 {
1715 u8 vt1636_08 = 0, vt1636_09 = 0;
1716 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1717 case VT1636_LVDS:
1718 vt1636_08 =
1719 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1720 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1721 vt1636_09 =
1722 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1723 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1724 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1725 break;
1726 default:
1727 break;
1728 }
1729 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1730 case VT1636_LVDS:
1731 vt1636_08 =
1732 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1733 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1734 vt1636_09 =
1735 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1736 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1737 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1738 break;
1739 default:
1740 break;
1741 }
1742 return 0;
1743 }
1744
1745 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1746 {
1747 return single_open(file, viafb_vt1636_proc_show, NULL);
1748 }
1749
1750 static ssize_t viafb_vt1636_proc_write(struct file *file,
1751 const char __user *buffer, size_t count, loff_t *pos)
1752 {
1753 char buf[30], *value, *pbuf;
1754 struct IODATA reg_val;
1755 unsigned long length, i;
1756 if (count < 1)
1757 return -EINVAL;
1758 length = count > 30 ? 30 : count;
1759 if (copy_from_user(&buf[0], buffer, length))
1760 return -EFAULT;
1761 buf[length - 1] = '\0'; /*Ensure end string */
1762 pbuf = &buf[0];
1763 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1764 case VT1636_LVDS:
1765 for (i = 0; i < 2; i++) {
1766 value = strsep(&pbuf, " ");
1767 if (value != NULL) {
1768 strict_strtoul(value, 0,
1769 (unsigned long *)&reg_val.Data);
1770 switch (i) {
1771 case 0:
1772 reg_val.Index = 0x08;
1773 reg_val.Mask = 0x0f;
1774 viafb_gpio_i2c_write_mask_lvds
1775 (viaparinfo->lvds_setting_info,
1776 &viaparinfo->
1777 chip_info->lvds_chip_info,
1778 reg_val);
1779 break;
1780 case 1:
1781 reg_val.Index = 0x09;
1782 reg_val.Mask = 0x1f;
1783 viafb_gpio_i2c_write_mask_lvds
1784 (viaparinfo->lvds_setting_info,
1785 &viaparinfo->
1786 chip_info->lvds_chip_info,
1787 reg_val);
1788 break;
1789 default:
1790 break;
1791 }
1792 } else {
1793 break;
1794 }
1795 }
1796 break;
1797 default:
1798 break;
1799 }
1800 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1801 case VT1636_LVDS:
1802 for (i = 0; i < 2; i++) {
1803 value = strsep(&pbuf, " ");
1804 if (value != NULL) {
1805 strict_strtoul(value, 0,
1806 (unsigned long *)&reg_val.Data);
1807 switch (i) {
1808 case 0:
1809 reg_val.Index = 0x08;
1810 reg_val.Mask = 0x0f;
1811 viafb_gpio_i2c_write_mask_lvds
1812 (viaparinfo->lvds_setting_info2,
1813 &viaparinfo->
1814 chip_info->lvds_chip_info2,
1815 reg_val);
1816 break;
1817 case 1:
1818 reg_val.Index = 0x09;
1819 reg_val.Mask = 0x1f;
1820 viafb_gpio_i2c_write_mask_lvds
1821 (viaparinfo->lvds_setting_info2,
1822 &viaparinfo->
1823 chip_info->lvds_chip_info2,
1824 reg_val);
1825 break;
1826 default:
1827 break;
1828 }
1829 } else {
1830 break;
1831 }
1832 }
1833 break;
1834 default:
1835 break;
1836 }
1837 return count;
1838 }
1839
1840 static const struct file_operations viafb_vt1636_proc_fops = {
1841 .owner = THIS_MODULE,
1842 .open = viafb_vt1636_proc_open,
1843 .read = seq_read,
1844 .llseek = seq_lseek,
1845 .release = single_release,
1846 .write = viafb_vt1636_proc_write,
1847 };
1848
1849 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1850 {
1851 *viafb_entry = proc_mkdir("viafb", NULL);
1852 if (*viafb_entry) {
1853 proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
1854 proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
1855 proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
1856 proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
1857 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1858 lvds_chip_name || VT1636_LVDS ==
1859 viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1860 proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
1861 }
1862
1863 }
1864 }
1865 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1866 {
1867 /* no problem if it was not registered */
1868 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1869 remove_proc_entry("dvp1", viafb_entry);
1870 remove_proc_entry("dfph", viafb_entry);
1871 remove_proc_entry("dfpl", viafb_entry);
1872 remove_proc_entry("vt1636", viafb_entry);
1873 remove_proc_entry("vt1625", viafb_entry);
1874 remove_proc_entry("viafb", NULL);
1875 }
1876
1877 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1878 {
1879 char *ptr;
1880
1881 if (!str) {
1882 *xres = 640;
1883 *yres = 480;
1884 return 0;
1885 }
1886
1887 *xres = simple_strtoul(str, &ptr, 10);
1888 if (ptr[0] != 'x')
1889 return -EINVAL;
1890
1891 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1892 if (ptr[0])
1893 return -EINVAL;
1894
1895 return 0;
1896 }
1897
1898 static int __devinit via_pci_probe(struct pci_dev *pdev,
1899 const struct pci_device_id *ent)
1900 {
1901 u32 default_xres, default_yres;
1902 struct VideoModeTable *vmode_entry;
1903 struct fb_var_screeninfo default_var;
1904 u32 viafb_par_length;
1905
1906 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1907 memset(&default_var, 0, sizeof(default_var));
1908 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1909
1910 /* Allocate fb_info and ***_par here, also including some other needed
1911 * variables
1912 */
1913 viafbinfo = framebuffer_alloc(viafb_par_length +
1914 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1915 &pdev->dev);
1916 if (!viafbinfo) {
1917 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1918 return -ENODEV;
1919 }
1920
1921 viaparinfo = (struct viafb_par *)viafbinfo->par;
1922 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1923 viaparinfo->vram_addr = 0;
1924 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1925 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1926 viaparinfo->lvds_setting_info2 =
1927 &viaparinfo->shared->lvds_setting_info2;
1928 viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1929 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1930
1931 if (viafb_dual_fb)
1932 viafb_SAMM_ON = 1;
1933 parse_lcd_port();
1934 parse_dvi_port();
1935
1936 /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1937 if (!viafb_SAMM_ON)
1938 viafb_dual_fb = 0;
1939
1940 /* Set up I2C bus stuff */
1941 viafb_create_i2c_bus(viaparinfo);
1942
1943 viafb_init_chip_info(pdev, ent);
1944 viaparinfo->fbmem = pci_resource_start(pdev, 0);
1945 viaparinfo->memsize = viafb_get_fb_size_from_pci();
1946 viaparinfo->fbmem_free = viaparinfo->memsize;
1947 viaparinfo->fbmem_used = 0;
1948 viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
1949 viaparinfo->memsize);
1950 if (!viafbinfo->screen_base) {
1951 printk(KERN_INFO "ioremap failed\n");
1952 return -ENOMEM;
1953 }
1954
1955 viafbinfo->fix.mmio_start = pci_resource_start(pdev, 1);
1956 viafbinfo->fix.mmio_len = pci_resource_len(pdev, 1);
1957 viafbinfo->node = 0;
1958 viafbinfo->fbops = &viafb_ops;
1959 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1960
1961 viafbinfo->pseudo_palette = pseudo_pal;
1962 if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1963 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1964 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1965 default_var.accel_flags = FB_ACCELF_TEXT;
1966 } else {
1967 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1968 default_var.accel_flags = 0;
1969 }
1970
1971 if (viafb_second_size && (viafb_second_size < 8)) {
1972 viafb_second_offset = viaparinfo->fbmem_free -
1973 viafb_second_size * 1024 * 1024;
1974 } else {
1975 viafb_second_size = 8;
1976 viafb_second_offset = viaparinfo->fbmem_free -
1977 viafb_second_size * 1024 * 1024;
1978 }
1979
1980 parse_mode(viafb_mode, &default_xres, &default_yres);
1981 vmode_entry = viafb_get_mode(default_xres, default_yres);
1982 if (viafb_SAMM_ON == 1) {
1983 parse_mode(viafb_mode1, &viafb_second_xres,
1984 &viafb_second_yres);
1985
1986 if (0 == viafb_second_virtual_xres) {
1987 switch (viafb_second_xres) {
1988 case 1400:
1989 viafb_second_virtual_xres = 1408;
1990 break;
1991 default:
1992 viafb_second_virtual_xres = viafb_second_xres;
1993 break;
1994 }
1995 }
1996 if (0 == viafb_second_virtual_yres)
1997 viafb_second_virtual_yres = viafb_second_yres;
1998 }
1999
2000 switch (viafb_bpp) {
2001 case 0 ... 8:
2002 viafb_bpp = 8;
2003 break;
2004 case 9 ... 16:
2005 viafb_bpp = 16;
2006 break;
2007 case 17 ... 32:
2008 viafb_bpp = 32;
2009 break;
2010 default:
2011 viafb_bpp = 8;
2012 }
2013 default_var.xres = default_xres;
2014 default_var.yres = default_yres;
2015 switch (default_xres) {
2016 case 1400:
2017 default_var.xres_virtual = 1408;
2018 break;
2019 default:
2020 default_var.xres_virtual = default_xres;
2021 break;
2022 }
2023 default_var.yres_virtual = default_yres;
2024 default_var.bits_per_pixel = viafb_bpp;
2025 if (default_var.bits_per_pixel == 15)
2026 default_var.bits_per_pixel = 16;
2027 default_var.pixclock =
2028 viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
2029 default_var.left_margin = (default_xres >> 3) & 0xf8;
2030 default_var.right_margin = 32;
2031 default_var.upper_margin = 16;
2032 default_var.lower_margin = 4;
2033 default_var.hsync_len = default_var.left_margin;
2034 default_var.vsync_len = 4;
2035 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2036 viafb_check_var(&default_var, viafbinfo);
2037 viafbinfo->var = default_var;
2038
2039 if (viafb_dual_fb) {
2040 viafbinfo1 = framebuffer_alloc(viafb_par_length, &pdev->dev);
2041 if (!viafbinfo1) {
2042 printk(KERN_ERR
2043 "allocate the second framebuffer struct error\n");
2044 framebuffer_release(viafbinfo);
2045 return -ENOMEM;
2046 }
2047 viaparinfo1 = viafbinfo1->par;
2048 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
2049 viaparinfo1->vram_addr = viafb_second_offset;
2050 viaparinfo1->memsize = viaparinfo->memsize -
2051 viafb_second_offset;
2052 viaparinfo->memsize = viafb_second_offset;
2053 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2054
2055 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2056 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2057 viaparinfo1->fbmem_used;
2058 viaparinfo->fbmem_free = viaparinfo->memsize;
2059 viaparinfo->fbmem_used = 0;
2060
2061 viaparinfo->iga_path = IGA1;
2062 viaparinfo1->iga_path = IGA2;
2063 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2064 viafbinfo1->par = viaparinfo1;
2065 viafbinfo1->screen_base = viafbinfo->screen_base +
2066 viafb_second_offset;
2067
2068 default_var.xres = viafb_second_xres;
2069 default_var.yres = viafb_second_yres;
2070 default_var.xres_virtual = viafb_second_virtual_xres;
2071 default_var.yres_virtual = viafb_second_virtual_yres;
2072 if (viafb_bpp1 != viafb_bpp)
2073 viafb_bpp1 = viafb_bpp;
2074 default_var.bits_per_pixel = viafb_bpp1;
2075 default_var.pixclock =
2076 viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2077 viafb_refresh);
2078 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2079 default_var.right_margin = 32;
2080 default_var.upper_margin = 16;
2081 default_var.lower_margin = 4;
2082 default_var.hsync_len = default_var.left_margin;
2083 default_var.vsync_len = 4;
2084
2085 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2086 viafb_check_var(&default_var, viafbinfo1);
2087 viafbinfo1->var = default_var;
2088 viafb_update_fix(viafbinfo1);
2089 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
2090 &viafbinfo1->fix);
2091 }
2092
2093 viafb_update_fix(viafbinfo);
2094 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
2095 &viafbinfo->fix);
2096 default_var.activate = FB_ACTIVATE_NOW;
2097 fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2098
2099 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2100 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2101 if (register_framebuffer(viafbinfo1) < 0)
2102 return -EINVAL;
2103 }
2104 if (register_framebuffer(viafbinfo) < 0)
2105 return -EINVAL;
2106
2107 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2108 || (viaparinfo->chip_info->gfx_chip_name !=
2109 UNICHROME_CLE266))) {
2110 if (register_framebuffer(viafbinfo1) < 0)
2111 return -EINVAL;
2112 }
2113 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2114 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2115 default_var.yres, default_var.bits_per_pixel);
2116
2117 viafb_init_proc(&viaparinfo->shared->proc_entry);
2118 viafb_init_dac(IGA2);
2119 return 0;
2120 }
2121
2122 static void __devexit via_pci_remove(struct pci_dev *pdev)
2123 {
2124 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2125 fb_dealloc_cmap(&viafbinfo->cmap);
2126 unregister_framebuffer(viafbinfo);
2127 if (viafb_dual_fb)
2128 unregister_framebuffer(viafbinfo1);
2129 iounmap((void *)viafbinfo->screen_base);
2130 iounmap(viaparinfo->shared->engine_mmio);
2131
2132 viafb_delete_i2c_buss(viaparinfo);
2133
2134 framebuffer_release(viafbinfo);
2135 if (viafb_dual_fb)
2136 framebuffer_release(viafbinfo1);
2137
2138 viafb_remove_proc(viaparinfo->shared->proc_entry);
2139 }
2140
2141 #ifndef MODULE
2142 static int __init viafb_setup(char *options)
2143 {
2144 char *this_opt;
2145 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2146
2147 if (!options || !*options)
2148 return 0;
2149
2150 while ((this_opt = strsep(&options, ",")) != NULL) {
2151 if (!*this_opt)
2152 continue;
2153
2154 if (!strncmp(this_opt, "viafb_mode1=", 12))
2155 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2156 else if (!strncmp(this_opt, "viafb_mode=", 11))
2157 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2158 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2159 strict_strtoul(this_opt + 11, 0,
2160 (unsigned long *)&viafb_bpp1);
2161 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2162 strict_strtoul(this_opt + 10, 0,
2163 (unsigned long *)&viafb_bpp);
2164 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2165 strict_strtoul(this_opt + 15, 0,
2166 (unsigned long *)&viafb_refresh1);
2167 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2168 strict_strtoul(this_opt + 14, 0,
2169 (unsigned long *)&viafb_refresh);
2170 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2171 strict_strtoul(this_opt + 21, 0,
2172 (unsigned long *)&viafb_lcd_dsp_method);
2173 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2174 strict_strtoul(this_opt + 19, 0,
2175 (unsigned long *)&viafb_lcd_panel_id);
2176 else if (!strncmp(this_opt, "viafb_accel=", 12))
2177 strict_strtoul(this_opt + 12, 0,
2178 (unsigned long *)&viafb_accel);
2179 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2180 strict_strtoul(this_opt + 14, 0,
2181 (unsigned long *)&viafb_SAMM_ON);
2182 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2183 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2184 else if (!strncmp(this_opt,
2185 "viafb_display_hardware_layout=", 30))
2186 strict_strtoul(this_opt + 30, 0,
2187 (unsigned long *)&viafb_display_hardware_layout);
2188 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2189 strict_strtoul(this_opt + 18, 0,
2190 (unsigned long *)&viafb_second_size);
2191 else if (!strncmp(this_opt,
2192 "viafb_platform_epia_dvi=", 24))
2193 strict_strtoul(this_opt + 24, 0,
2194 (unsigned long *)&viafb_platform_epia_dvi);
2195 else if (!strncmp(this_opt,
2196 "viafb_device_lcd_dualedge=", 26))
2197 strict_strtoul(this_opt + 26, 0,
2198 (unsigned long *)&viafb_device_lcd_dualedge);
2199 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2200 strict_strtoul(this_opt + 16, 0,
2201 (unsigned long *)&viafb_bus_width);
2202 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2203 strict_strtoul(this_opt + 15, 0,
2204 (unsigned long *)&viafb_lcd_mode);
2205 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2206 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2207 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2208 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2209 }
2210 return 0;
2211 }
2212 #endif
2213
2214 static struct pci_device_id viafb_pci_table[] __devinitdata = {
2215 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID),
2216 .driver_data = UNICHROME_CLE266 },
2217 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID),
2218 .driver_data = UNICHROME_PM800 },
2219 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID),
2220 .driver_data = UNICHROME_K400 },
2221 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K800_DID),
2222 .driver_data = UNICHROME_K800 },
2223 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID),
2224 .driver_data = UNICHROME_CN700 },
2225 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID),
2226 .driver_data = UNICHROME_K8M890 },
2227 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CX700_DID),
2228 .driver_data = UNICHROME_CX700 },
2229 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID),
2230 .driver_data = UNICHROME_P4M900 },
2231 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN750_DID),
2232 .driver_data = UNICHROME_CN750 },
2233 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX800_DID),
2234 .driver_data = UNICHROME_VX800 },
2235 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX855_DID),
2236 .driver_data = UNICHROME_VX855 },
2237 { }
2238 };
2239 MODULE_DEVICE_TABLE(pci, viafb_pci_table);
2240
2241 static struct pci_driver viafb_driver = {
2242 .name = "viafb",
2243 .id_table = viafb_pci_table,
2244 .probe = via_pci_probe,
2245 .remove = __devexit_p(via_pci_remove),
2246 };
2247
2248 static int __init viafb_init(void)
2249 {
2250 u32 dummy;
2251 #ifndef MODULE
2252 char *option = NULL;
2253 if (fb_get_options("viafb", &option))
2254 return -ENODEV;
2255 viafb_setup(option);
2256 #endif
2257 if (parse_mode(viafb_mode, &dummy, &dummy)
2258 || parse_mode(viafb_mode1, &dummy, &dummy)
2259 || parse_active_dev())
2260 return -EINVAL;
2261
2262 printk(KERN_INFO
2263 "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2264 VERSION_MAJOR, VERSION_MINOR);
2265 return pci_register_driver(&viafb_driver);
2266 }
2267
2268 static void __exit viafb_exit(void)
2269 {
2270 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2271 pci_unregister_driver(&viafb_driver);
2272 }
2273
2274 static struct fb_ops viafb_ops = {
2275 .owner = THIS_MODULE,
2276 .fb_open = viafb_open,
2277 .fb_release = viafb_release,
2278 .fb_check_var = viafb_check_var,
2279 .fb_set_par = viafb_set_par,
2280 .fb_setcolreg = viafb_setcolreg,
2281 .fb_pan_display = viafb_pan_display,
2282 .fb_blank = viafb_blank,
2283 .fb_fillrect = viafb_fillrect,
2284 .fb_copyarea = viafb_copyarea,
2285 .fb_imageblit = viafb_imageblit,
2286 .fb_cursor = viafb_cursor,
2287 .fb_ioctl = viafb_ioctl,
2288 .fb_sync = viafb_sync,
2289 .fb_setcmap = viafb_setcmap,
2290 };
2291
2292 module_init(viafb_init);
2293 module_exit(viafb_exit);
2294
2295 #ifdef MODULE
2296 module_param(viafb_mode, charp, S_IRUSR);
2297 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2298
2299 module_param(viafb_mode1, charp, S_IRUSR);
2300 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2301
2302 module_param(viafb_bpp, int, S_IRUSR);
2303 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2304
2305 module_param(viafb_bpp1, int, S_IRUSR);
2306 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2307
2308 module_param(viafb_refresh, int, S_IRUSR);
2309 MODULE_PARM_DESC(viafb_refresh,
2310 "Set CRT viafb_refresh rate (default = 60)");
2311
2312 module_param(viafb_refresh1, int, S_IRUSR);
2313 MODULE_PARM_DESC(viafb_refresh1,
2314 "Set CRT refresh rate (default = 60)");
2315
2316 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2317 MODULE_PARM_DESC(viafb_lcd_panel_id,
2318 "Set Flat Panel type(Default=1024x768)");
2319
2320 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2321 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2322 "Set Flat Panel display scaling method.(Default=Expandsion)");
2323
2324 module_param(viafb_SAMM_ON, int, S_IRUSR);
2325 MODULE_PARM_DESC(viafb_SAMM_ON,
2326 "Turn on/off flag of SAMM(Default=OFF)");
2327
2328 module_param(viafb_accel, int, S_IRUSR);
2329 MODULE_PARM_DESC(viafb_accel,
2330 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2331
2332 module_param(viafb_active_dev, charp, S_IRUSR);
2333 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2334
2335 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2336 MODULE_PARM_DESC(viafb_display_hardware_layout,
2337 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2338
2339 module_param(viafb_second_size, int, S_IRUSR);
2340 MODULE_PARM_DESC(viafb_second_size,
2341 "Set secondary device memory size");
2342
2343 module_param(viafb_dual_fb, int, S_IRUSR);
2344 MODULE_PARM_DESC(viafb_dual_fb,
2345 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2346
2347 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2348 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2349 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2350
2351 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2352 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2353 "Turn on/off flag of dual edge panel.(Default = OFF)");
2354
2355 module_param(viafb_bus_width, int, S_IRUSR);
2356 MODULE_PARM_DESC(viafb_bus_width,
2357 "Set bus width of panel.(Default = 12)");
2358
2359 module_param(viafb_lcd_mode, int, S_IRUSR);
2360 MODULE_PARM_DESC(viafb_lcd_mode,
2361 "Set Flat Panel mode(Default=OPENLDI)");
2362
2363 module_param(viafb_lcd_port, charp, S_IRUSR);
2364 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2365
2366 module_param(viafb_dvi_port, charp, S_IRUSR);
2367 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2368
2369 MODULE_LICENSE("GPL");
2370 #endif
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