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Merge branch 'viafb-next' of git://git.lwn.net/linux-2.6
[mirror_ubuntu-kernels.git] / drivers / video / via / viafbdev.c
1 /*
2 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22 #include <linux/module.h>
23 #include <linux/seq_file.h>
24 #include <linux/slab.h>
25 #include <linux/stat.h>
26 #include <linux/via-core.h>
27
28 #define _MASTER_FILE
29 #include "global.h"
30
31 static char *viafb_name = "Via";
32 static u32 pseudo_pal[17];
33
34 /* video mode */
35 static char *viafb_mode;
36 static char *viafb_mode1;
37 static int viafb_bpp = 32;
38 static int viafb_bpp1 = 32;
39
40 static unsigned int viafb_second_offset;
41 static int viafb_second_size;
42
43 static int viafb_accel = 1;
44
45 /* Added for specifying active devices.*/
46 char *viafb_active_dev;
47
48 /*Added for specify lcd output port*/
49 char *viafb_lcd_port = "";
50 char *viafb_dvi_port = "";
51
52 static void viafb_set_device(struct device_t active_dev);
53 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
54 struct fb_info *info);
55 static void apply_second_mode_setting(struct fb_var_screeninfo
56 *sec_var);
57 static void retrieve_device_setting(struct viafb_ioctl_setting
58 *setting_info);
59 static int viafb_pan_display(struct fb_var_screeninfo *var,
60 struct fb_info *info);
61
62 static struct fb_ops viafb_ops;
63
64
65 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
66 {
67 var->grayscale = 0;
68 var->red.msb_right = 0;
69 var->green.msb_right = 0;
70 var->blue.msb_right = 0;
71 var->transp.offset = 0;
72 var->transp.length = 0;
73 var->transp.msb_right = 0;
74 var->nonstd = 0;
75 switch (depth) {
76 case 8:
77 var->bits_per_pixel = 8;
78 var->red.offset = 0;
79 var->green.offset = 0;
80 var->blue.offset = 0;
81 var->red.length = 8;
82 var->green.length = 8;
83 var->blue.length = 8;
84 break;
85 case 15:
86 var->bits_per_pixel = 16;
87 var->red.offset = 10;
88 var->green.offset = 5;
89 var->blue.offset = 0;
90 var->red.length = 5;
91 var->green.length = 5;
92 var->blue.length = 5;
93 break;
94 case 16:
95 var->bits_per_pixel = 16;
96 var->red.offset = 11;
97 var->green.offset = 5;
98 var->blue.offset = 0;
99 var->red.length = 5;
100 var->green.length = 6;
101 var->blue.length = 5;
102 break;
103 case 24:
104 var->bits_per_pixel = 32;
105 var->red.offset = 16;
106 var->green.offset = 8;
107 var->blue.offset = 0;
108 var->red.length = 8;
109 var->green.length = 8;
110 var->blue.length = 8;
111 break;
112 case 30:
113 var->bits_per_pixel = 32;
114 var->red.offset = 20;
115 var->green.offset = 10;
116 var->blue.offset = 0;
117 var->red.length = 10;
118 var->green.length = 10;
119 var->blue.length = 10;
120 break;
121 }
122 }
123
124 static void viafb_update_fix(struct fb_info *info)
125 {
126 u32 bpp = info->var.bits_per_pixel;
127
128 info->fix.visual =
129 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
130 info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
131 }
132
133 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
134 struct viafb_par *viaparinfo)
135 {
136 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
137 strcpy(fix->id, viafb_name);
138
139 fix->smem_start = viaparinfo->fbmem;
140 fix->smem_len = viaparinfo->fbmem_free;
141
142 fix->type = FB_TYPE_PACKED_PIXELS;
143 fix->type_aux = 0;
144 fix->visual = FB_VISUAL_TRUECOLOR;
145
146 fix->xpanstep = fix->ywrapstep = 0;
147 fix->ypanstep = 1;
148
149 /* Just tell the accel name */
150 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
151 }
152 static int viafb_open(struct fb_info *info, int user)
153 {
154 DEBUG_MSG(KERN_INFO "viafb_open!\n");
155 return 0;
156 }
157
158 static int viafb_release(struct fb_info *info, int user)
159 {
160 DEBUG_MSG(KERN_INFO "viafb_release!\n");
161 return 0;
162 }
163
164 static int viafb_check_var(struct fb_var_screeninfo *var,
165 struct fb_info *info)
166 {
167 int htotal, vtotal, depth;
168 struct VideoModeTable *vmode_entry;
169 struct viafb_par *ppar = info->par;
170 u32 long_refresh, line;
171
172 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
173 /* Sanity check */
174 /* HW neither support interlacte nor double-scaned mode */
175 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
176 return -EINVAL;
177
178 vmode_entry = viafb_get_mode(var->xres, var->yres);
179 if (!vmode_entry) {
180 DEBUG_MSG(KERN_INFO
181 "viafb: Mode %dx%dx%d not supported!!\n",
182 var->xres, var->yres, var->bits_per_pixel);
183 return -EINVAL;
184 }
185
186 depth = fb_get_color_depth(var, &info->fix);
187 if (!depth)
188 depth = var->bits_per_pixel;
189
190 if (depth < 0 || depth > 32)
191 return -EINVAL;
192 else if (!depth)
193 depth = 24;
194 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
195 depth = 15;
196 else if (depth == 30)
197 depth = 30;
198 else if (depth <= 8)
199 depth = 8;
200 else if (depth <= 16)
201 depth = 16;
202 else
203 depth = 24;
204
205 viafb_fill_var_color_info(var, depth);
206 line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
207 if (line * var->yres_virtual > ppar->memsize)
208 return -EINVAL;
209
210 /* Based on var passed in to calculate the refresh,
211 * because our driver use some modes special.
212 */
213 htotal = var->xres + var->left_margin +
214 var->right_margin + var->hsync_len;
215 vtotal = var->yres + var->upper_margin +
216 var->lower_margin + var->vsync_len;
217 long_refresh = 1000000000UL / var->pixclock * 1000;
218 long_refresh /= (htotal * vtotal);
219
220 viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
221
222 /* Adjust var according to our driver's own table */
223 viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
224 if (info->var.accel_flags & FB_ACCELF_TEXT &&
225 !ppar->shared->vdev->engine_mmio)
226 info->var.accel_flags = 0;
227
228 return 0;
229 }
230
231 static int viafb_set_par(struct fb_info *info)
232 {
233 struct viafb_par *viapar = info->par;
234 struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
235 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
236
237 viapar->depth = fb_get_color_depth(&info->var, &info->fix);
238 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
239 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
240
241 vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
242 if (viafb_dual_fb) {
243 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
244 viafbinfo1->var.yres);
245 viafb_update_device_setting(viafbinfo1->var.xres,
246 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
247 viafb_refresh1, 1);
248 } else if (viafb_SAMM_ON == 1) {
249 DEBUG_MSG(KERN_INFO
250 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
251 viafb_second_xres, viafb_second_yres, viafb_bpp1);
252 vmode_entry1 = viafb_get_mode(viafb_second_xres,
253 viafb_second_yres);
254
255 viafb_update_device_setting(viafb_second_xres,
256 viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
257 }
258
259 if (vmode_entry) {
260 viafb_update_fix(info);
261 if (viafb_dual_fb && viapar->iga_path == IGA2)
262 viafb_bpp1 = info->var.bits_per_pixel;
263 else
264 viafb_bpp = info->var.bits_per_pixel;
265
266 if (info->var.accel_flags & FB_ACCELF_TEXT)
267 info->flags &= ~FBINFO_HWACCEL_DISABLED;
268 else
269 info->flags |= FBINFO_HWACCEL_DISABLED;
270 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
271 vmode_entry1, viafb_bpp1);
272 viafb_pan_display(&info->var, info);
273 }
274
275 return 0;
276 }
277
278 /* Set one color register */
279 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
280 unsigned blue, unsigned transp, struct fb_info *info)
281 {
282 struct viafb_par *viapar = info->par;
283 u32 r, g, b;
284
285 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
286 if (regno > 255)
287 return -EINVAL;
288
289 if (!viafb_dual_fb || viapar->iga_path == IGA1)
290 viafb_set_primary_color_register(regno, red >> 8,
291 green >> 8, blue >> 8);
292
293 if (!viafb_dual_fb || viapar->iga_path == IGA2)
294 viafb_set_secondary_color_register(regno, red >> 8,
295 green >> 8, blue >> 8);
296 } else {
297 if (regno > 15)
298 return -EINVAL;
299
300 r = (red >> (16 - info->var.red.length))
301 << info->var.red.offset;
302 b = (blue >> (16 - info->var.blue.length))
303 << info->var.blue.offset;
304 g = (green >> (16 - info->var.green.length))
305 << info->var.green.offset;
306 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
307 }
308
309 return 0;
310 }
311
312 static int viafb_pan_display(struct fb_var_screeninfo *var,
313 struct fb_info *info)
314 {
315 struct viafb_par *viapar = info->par;
316 u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
317 * (var->bits_per_pixel / 8) + viapar->vram_addr;
318
319 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
320 if (!viafb_dual_fb) {
321 via_set_primary_address(vram_addr);
322 via_set_secondary_address(vram_addr);
323 } else if (viapar->iga_path == IGA1)
324 via_set_primary_address(vram_addr);
325 else
326 via_set_secondary_address(vram_addr);
327
328 return 0;
329 }
330
331 static int viafb_blank(int blank_mode, struct fb_info *info)
332 {
333 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
334 /* clear DPMS setting */
335
336 switch (blank_mode) {
337 case FB_BLANK_UNBLANK:
338 /* Screen: On, HSync: On, VSync: On */
339 /* control CRT monitor power management */
340 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
341 break;
342 case FB_BLANK_HSYNC_SUSPEND:
343 /* Screen: Off, HSync: Off, VSync: On */
344 /* control CRT monitor power management */
345 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
346 break;
347 case FB_BLANK_VSYNC_SUSPEND:
348 /* Screen: Off, HSync: On, VSync: Off */
349 /* control CRT monitor power management */
350 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
351 break;
352 case FB_BLANK_POWERDOWN:
353 /* Screen: Off, HSync: Off, VSync: Off */
354 /* control CRT monitor power management */
355 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
356 break;
357 }
358
359 return 0;
360 }
361
362 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
363 {
364 union {
365 struct viafb_ioctl_mode viamode;
366 struct viafb_ioctl_samm viasamm;
367 struct viafb_driver_version driver_version;
368 struct fb_var_screeninfo sec_var;
369 struct _panel_size_pos_info panel_pos_size_para;
370 struct viafb_ioctl_setting viafb_setting;
371 struct device_t active_dev;
372 } u;
373 u32 state_info = 0;
374 u32 *viafb_gamma_table;
375 char driver_name[] = "viafb";
376
377 u32 __user *argp = (u32 __user *) arg;
378 u32 gpu32;
379
380 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
381 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
382 memset(&u, 0, sizeof(u));
383
384 switch (cmd) {
385 case VIAFB_GET_CHIP_INFO:
386 if (copy_to_user(argp, viaparinfo->chip_info,
387 sizeof(struct chip_information)))
388 return -EFAULT;
389 break;
390 case VIAFB_GET_INFO_SIZE:
391 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
392 case VIAFB_GET_INFO:
393 return viafb_ioctl_get_viafb_info(arg);
394 case VIAFB_HOTPLUG:
395 return put_user(viafb_ioctl_hotplug(info->var.xres,
396 info->var.yres,
397 info->var.bits_per_pixel), argp);
398 case VIAFB_SET_HOTPLUG_FLAG:
399 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
400 return -EFAULT;
401 viafb_hotplug = (gpu32) ? 1 : 0;
402 break;
403 case VIAFB_GET_RESOLUTION:
404 u.viamode.xres = (u32) viafb_hotplug_Xres;
405 u.viamode.yres = (u32) viafb_hotplug_Yres;
406 u.viamode.refresh = (u32) viafb_hotplug_refresh;
407 u.viamode.bpp = (u32) viafb_hotplug_bpp;
408 if (viafb_SAMM_ON == 1) {
409 u.viamode.xres_sec = viafb_second_xres;
410 u.viamode.yres_sec = viafb_second_yres;
411 u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
412 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
413 u.viamode.refresh_sec = viafb_refresh1;
414 u.viamode.bpp_sec = viafb_bpp1;
415 } else {
416 u.viamode.xres_sec = 0;
417 u.viamode.yres_sec = 0;
418 u.viamode.virtual_xres_sec = 0;
419 u.viamode.virtual_yres_sec = 0;
420 u.viamode.refresh_sec = 0;
421 u.viamode.bpp_sec = 0;
422 }
423 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
424 return -EFAULT;
425 break;
426 case VIAFB_GET_SAMM_INFO:
427 u.viasamm.samm_status = viafb_SAMM_ON;
428
429 if (viafb_SAMM_ON == 1) {
430 if (viafb_dual_fb) {
431 u.viasamm.size_prim = viaparinfo->fbmem_free;
432 u.viasamm.size_sec = viaparinfo1->fbmem_free;
433 } else {
434 if (viafb_second_size) {
435 u.viasamm.size_prim =
436 viaparinfo->fbmem_free -
437 viafb_second_size * 1024 * 1024;
438 u.viasamm.size_sec =
439 viafb_second_size * 1024 * 1024;
440 } else {
441 u.viasamm.size_prim =
442 viaparinfo->fbmem_free >> 1;
443 u.viasamm.size_sec =
444 (viaparinfo->fbmem_free >> 1);
445 }
446 }
447 u.viasamm.mem_base = viaparinfo->fbmem;
448 u.viasamm.offset_sec = viafb_second_offset;
449 } else {
450 u.viasamm.size_prim =
451 viaparinfo->memsize - viaparinfo->fbmem_used;
452 u.viasamm.size_sec = 0;
453 u.viasamm.mem_base = viaparinfo->fbmem;
454 u.viasamm.offset_sec = 0;
455 }
456
457 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
458 return -EFAULT;
459
460 break;
461 case VIAFB_TURN_ON_OUTPUT_DEVICE:
462 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
463 return -EFAULT;
464 if (gpu32 & CRT_Device)
465 viafb_crt_enable();
466 if (gpu32 & DVI_Device)
467 viafb_dvi_enable();
468 if (gpu32 & LCD_Device)
469 viafb_lcd_enable();
470 break;
471 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
472 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
473 return -EFAULT;
474 if (gpu32 & CRT_Device)
475 viafb_crt_disable();
476 if (gpu32 & DVI_Device)
477 viafb_dvi_disable();
478 if (gpu32 & LCD_Device)
479 viafb_lcd_disable();
480 break;
481 case VIAFB_SET_DEVICE:
482 if (copy_from_user(&u.active_dev, (void *)argp,
483 sizeof(u.active_dev)))
484 return -EFAULT;
485 viafb_set_device(u.active_dev);
486 viafb_set_par(info);
487 break;
488 case VIAFB_GET_DEVICE:
489 u.active_dev.crt = viafb_CRT_ON;
490 u.active_dev.dvi = viafb_DVI_ON;
491 u.active_dev.lcd = viafb_LCD_ON;
492 u.active_dev.samm = viafb_SAMM_ON;
493 u.active_dev.primary_dev = viafb_primary_dev;
494
495 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
496 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
497 u.active_dev.lcd_mode = viafb_lcd_mode;
498
499 u.active_dev.xres = viafb_hotplug_Xres;
500 u.active_dev.yres = viafb_hotplug_Yres;
501
502 u.active_dev.xres1 = viafb_second_xres;
503 u.active_dev.yres1 = viafb_second_yres;
504
505 u.active_dev.bpp = viafb_bpp;
506 u.active_dev.bpp1 = viafb_bpp1;
507 u.active_dev.refresh = viafb_refresh;
508 u.active_dev.refresh1 = viafb_refresh1;
509
510 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
511 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
512 u.active_dev.bus_width = viafb_bus_width;
513
514 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
515 return -EFAULT;
516 break;
517
518 case VIAFB_GET_DRIVER_VERSION:
519 u.driver_version.iMajorNum = VERSION_MAJOR;
520 u.driver_version.iKernelNum = VERSION_KERNEL;
521 u.driver_version.iOSNum = VERSION_OS;
522 u.driver_version.iMinorNum = VERSION_MINOR;
523
524 if (copy_to_user(argp, &u.driver_version,
525 sizeof(u.driver_version)))
526 return -EFAULT;
527
528 break;
529
530 case VIAFB_SET_DEVICE_INFO:
531 if (copy_from_user(&u.viafb_setting,
532 argp, sizeof(u.viafb_setting)))
533 return -EFAULT;
534 if (apply_device_setting(u.viafb_setting, info) < 0)
535 return -EINVAL;
536
537 break;
538
539 case VIAFB_SET_SECOND_MODE:
540 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
541 return -EFAULT;
542 apply_second_mode_setting(&u.sec_var);
543 break;
544
545 case VIAFB_GET_DEVICE_INFO:
546
547 retrieve_device_setting(&u.viafb_setting);
548
549 if (copy_to_user(argp, &u.viafb_setting,
550 sizeof(u.viafb_setting)))
551 return -EFAULT;
552
553 break;
554
555 case VIAFB_GET_DEVICE_SUPPORT:
556 viafb_get_device_support_state(&state_info);
557 if (put_user(state_info, argp))
558 return -EFAULT;
559 break;
560
561 case VIAFB_GET_DEVICE_CONNECT:
562 viafb_get_device_connect_state(&state_info);
563 if (put_user(state_info, argp))
564 return -EFAULT;
565 break;
566
567 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
568 state_info =
569 viafb_lcd_get_support_expand_state(info->var.xres,
570 info->var.yres);
571 if (put_user(state_info, argp))
572 return -EFAULT;
573 break;
574
575 case VIAFB_GET_DRIVER_NAME:
576 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
577 return -EFAULT;
578 break;
579
580 case VIAFB_SET_GAMMA_LUT:
581 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
582 if (!viafb_gamma_table)
583 return -ENOMEM;
584 if (copy_from_user(viafb_gamma_table, argp,
585 256 * sizeof(u32))) {
586 kfree(viafb_gamma_table);
587 return -EFAULT;
588 }
589 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
590 kfree(viafb_gamma_table);
591 break;
592
593 case VIAFB_GET_GAMMA_LUT:
594 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
595 if (!viafb_gamma_table)
596 return -ENOMEM;
597 viafb_get_gamma_table(viafb_gamma_table);
598 if (copy_to_user(argp, viafb_gamma_table,
599 256 * sizeof(u32))) {
600 kfree(viafb_gamma_table);
601 return -EFAULT;
602 }
603 kfree(viafb_gamma_table);
604 break;
605
606 case VIAFB_GET_GAMMA_SUPPORT_STATE:
607 viafb_get_gamma_support_state(viafb_bpp, &state_info);
608 if (put_user(state_info, argp))
609 return -EFAULT;
610 break;
611 case VIAFB_SYNC_SURFACE:
612 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
613 break;
614 case VIAFB_GET_DRIVER_CAPS:
615 break;
616
617 case VIAFB_GET_PANEL_MAX_SIZE:
618 if (copy_from_user(&u.panel_pos_size_para, argp,
619 sizeof(u.panel_pos_size_para)))
620 return -EFAULT;
621 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
622 if (copy_to_user(argp, &u.panel_pos_size_para,
623 sizeof(u.panel_pos_size_para)))
624 return -EFAULT;
625 break;
626 case VIAFB_GET_PANEL_MAX_POSITION:
627 if (copy_from_user(&u.panel_pos_size_para, argp,
628 sizeof(u.panel_pos_size_para)))
629 return -EFAULT;
630 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
631 if (copy_to_user(argp, &u.panel_pos_size_para,
632 sizeof(u.panel_pos_size_para)))
633 return -EFAULT;
634 break;
635
636 case VIAFB_GET_PANEL_POSITION:
637 if (copy_from_user(&u.panel_pos_size_para, argp,
638 sizeof(u.panel_pos_size_para)))
639 return -EFAULT;
640 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
641 if (copy_to_user(argp, &u.panel_pos_size_para,
642 sizeof(u.panel_pos_size_para)))
643 return -EFAULT;
644 break;
645 case VIAFB_GET_PANEL_SIZE:
646 if (copy_from_user(&u.panel_pos_size_para, argp,
647 sizeof(u.panel_pos_size_para)))
648 return -EFAULT;
649 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
650 if (copy_to_user(argp, &u.panel_pos_size_para,
651 sizeof(u.panel_pos_size_para)))
652 return -EFAULT;
653 break;
654
655 case VIAFB_SET_PANEL_POSITION:
656 if (copy_from_user(&u.panel_pos_size_para, argp,
657 sizeof(u.panel_pos_size_para)))
658 return -EFAULT;
659 break;
660 case VIAFB_SET_PANEL_SIZE:
661 if (copy_from_user(&u.panel_pos_size_para, argp,
662 sizeof(u.panel_pos_size_para)))
663 return -EFAULT;
664 break;
665
666 default:
667 return -EINVAL;
668 }
669
670 return 0;
671 }
672
673 static void viafb_fillrect(struct fb_info *info,
674 const struct fb_fillrect *rect)
675 {
676 struct viafb_par *viapar = info->par;
677 struct viafb_shared *shared = viapar->shared;
678 u32 fg_color;
679 u8 rop;
680
681 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
682 cfb_fillrect(info, rect);
683 return;
684 }
685
686 if (!rect->width || !rect->height)
687 return;
688
689 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
690 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
691 else
692 fg_color = rect->color;
693
694 if (rect->rop == ROP_XOR)
695 rop = 0x5A;
696 else
697 rop = 0xF0;
698
699 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
700 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
701 rect->width, rect->height, info->var.bits_per_pixel,
702 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
703 NULL, 0, 0, 0, 0, fg_color, 0, rop))
704 cfb_fillrect(info, rect);
705 }
706
707 static void viafb_copyarea(struct fb_info *info,
708 const struct fb_copyarea *area)
709 {
710 struct viafb_par *viapar = info->par;
711 struct viafb_shared *shared = viapar->shared;
712
713 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
714 cfb_copyarea(info, area);
715 return;
716 }
717
718 if (!area->width || !area->height)
719 return;
720
721 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
722 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
723 area->width, area->height, info->var.bits_per_pixel,
724 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
725 NULL, viapar->vram_addr, info->fix.line_length,
726 area->sx, area->sy, 0, 0, 0))
727 cfb_copyarea(info, area);
728 }
729
730 static void viafb_imageblit(struct fb_info *info,
731 const struct fb_image *image)
732 {
733 struct viafb_par *viapar = info->par;
734 struct viafb_shared *shared = viapar->shared;
735 u32 fg_color = 0, bg_color = 0;
736 u8 op;
737
738 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
739 (image->depth != 1 && image->depth != viapar->depth)) {
740 cfb_imageblit(info, image);
741 return;
742 }
743
744 if (image->depth == 1) {
745 op = VIA_BITBLT_MONO;
746 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
747 fg_color =
748 ((u32 *)info->pseudo_palette)[image->fg_color];
749 bg_color =
750 ((u32 *)info->pseudo_palette)[image->bg_color];
751 } else {
752 fg_color = image->fg_color;
753 bg_color = image->bg_color;
754 }
755 } else
756 op = VIA_BITBLT_COLOR;
757
758 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
759 if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
760 image->width, image->height, info->var.bits_per_pixel,
761 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
762 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
763 cfb_imageblit(info, image);
764 }
765
766 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
767 {
768 struct viafb_par *viapar = info->par;
769 void __iomem *engine = viapar->shared->vdev->engine_mmio;
770 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
771 chip_name = viapar->shared->chip_info.gfx_chip_name;
772 int i, j = 0, cur_size = 64;
773
774 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
775 return -ENODEV;
776
777 /* LCD ouput does not support hw cursors (at least on VN896) */
778 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
779 viafb_LCD_ON)
780 return -ENODEV;
781
782 viafb_show_hw_cursor(info, HW_Cursor_OFF);
783
784 if (cursor->set & FB_CUR_SETHOT) {
785 temp = (cursor->hot.x << 16) + cursor->hot.y;
786 writel(temp, engine + VIA_REG_CURSOR_ORG);
787 }
788
789 if (cursor->set & FB_CUR_SETPOS) {
790 yy = cursor->image.dy - info->var.yoffset;
791 xx = cursor->image.dx - info->var.xoffset;
792 temp = yy & 0xFFFF;
793 temp |= (xx << 16);
794 writel(temp, engine + VIA_REG_CURSOR_POS);
795 }
796
797 if (cursor->image.width <= 32 && cursor->image.height <= 32)
798 cur_size = 32;
799 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
800 cur_size = 64;
801 else {
802 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
803 "%dx%d", cursor->image.width, cursor->image.height);
804 return -ENXIO;
805 }
806
807 if (cursor->set & FB_CUR_SETSIZE) {
808 temp = readl(engine + VIA_REG_CURSOR_MODE);
809 if (cur_size == 32)
810 temp |= 0x2;
811 else
812 temp &= ~0x2;
813
814 writel(temp, engine + VIA_REG_CURSOR_MODE);
815 }
816
817 if (cursor->set & FB_CUR_SETCMAP) {
818 fg_color = cursor->image.fg_color;
819 bg_color = cursor->image.bg_color;
820 if (chip_name == UNICHROME_CX700 ||
821 chip_name == UNICHROME_VX800 ||
822 chip_name == UNICHROME_VX855) {
823 fg_color =
824 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
825 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
826 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
827 bg_color =
828 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
829 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
830 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
831 } else {
832 fg_color =
833 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
834 (info->cmap.green[fg_color] & 0xFF00) |
835 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
836 bg_color =
837 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
838 (info->cmap.green[bg_color] & 0xFF00) |
839 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
840 }
841
842 writel(bg_color, engine + VIA_REG_CURSOR_BG);
843 writel(fg_color, engine + VIA_REG_CURSOR_FG);
844 }
845
846 if (cursor->set & FB_CUR_SETSHAPE) {
847 struct {
848 u8 data[CURSOR_SIZE];
849 u32 bak[CURSOR_SIZE / 4];
850 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
851 int size = ((cursor->image.width + 7) >> 3) *
852 cursor->image.height;
853
854 if (!cr_data)
855 return -ENOMEM;
856
857 if (cur_size == 32) {
858 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
859 cr_data->bak[i] = 0x0;
860 cr_data->bak[i + 1] = 0xFFFFFFFF;
861 i += 1;
862 }
863 } else {
864 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
865 cr_data->bak[i] = 0x0;
866 cr_data->bak[i + 1] = 0x0;
867 cr_data->bak[i + 2] = 0xFFFFFFFF;
868 cr_data->bak[i + 3] = 0xFFFFFFFF;
869 i += 3;
870 }
871 }
872
873 switch (cursor->rop) {
874 case ROP_XOR:
875 for (i = 0; i < size; i++)
876 cr_data->data[i] = cursor->mask[i];
877 break;
878 case ROP_COPY:
879
880 for (i = 0; i < size; i++)
881 cr_data->data[i] = cursor->mask[i];
882 break;
883 default:
884 break;
885 }
886
887 if (cur_size == 32) {
888 for (i = 0; i < size; i++) {
889 cr_data->bak[j] = (u32) cr_data->data[i];
890 cr_data->bak[j + 1] = ~cr_data->bak[j];
891 j += 2;
892 }
893 } else {
894 for (i = 0; i < size; i++) {
895 cr_data->bak[j] = (u32) cr_data->data[i];
896 cr_data->bak[j + 1] = 0x0;
897 cr_data->bak[j + 2] = ~cr_data->bak[j];
898 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
899 j += 4;
900 }
901 }
902
903 memcpy_toio(viafbinfo->screen_base + viapar->shared->
904 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
905 kfree(cr_data);
906 }
907
908 if (cursor->enable)
909 viafb_show_hw_cursor(info, HW_Cursor_ON);
910
911 return 0;
912 }
913
914 static int viafb_sync(struct fb_info *info)
915 {
916 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
917 viafb_wait_engine_idle(info);
918 return 0;
919 }
920
921 static void check_available_device_to_enable(int device_id)
922 {
923 int device_num = 0;
924
925 /* Initialize: */
926 viafb_CRT_ON = STATE_OFF;
927 viafb_DVI_ON = STATE_OFF;
928 viafb_LCD_ON = STATE_OFF;
929 viafb_LCD2_ON = STATE_OFF;
930 viafb_DeviceStatus = None_Device;
931
932 if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
933 viafb_CRT_ON = STATE_ON;
934 device_num++;
935 viafb_DeviceStatus |= CRT_Device;
936 }
937
938 if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
939 viafb_DVI_ON = STATE_ON;
940 device_num++;
941 viafb_DeviceStatus |= DVI_Device;
942 }
943
944 if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
945 viafb_LCD_ON = STATE_ON;
946 device_num++;
947 viafb_DeviceStatus |= LCD_Device;
948 }
949
950 if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
951 viafb_LCD2_ON = STATE_ON;
952 device_num++;
953 viafb_DeviceStatus |= LCD2_Device;
954 }
955
956 if (viafb_DeviceStatus == None_Device) {
957 /* Use CRT as default active device: */
958 viafb_CRT_ON = STATE_ON;
959 viafb_DeviceStatus = CRT_Device;
960 }
961 DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
962 }
963
964 static void viafb_set_device(struct device_t active_dev)
965 {
966 /* Check available device to enable: */
967 int device_id = None_Device;
968 if (active_dev.crt)
969 device_id |= CRT_Device;
970 if (active_dev.dvi)
971 device_id |= DVI_Device;
972 if (active_dev.lcd)
973 device_id |= LCD_Device;
974
975 check_available_device_to_enable(device_id);
976
977 /* Check property of LCD: */
978 if (viafb_LCD_ON) {
979 if (active_dev.lcd_dsp_cent) {
980 viaparinfo->lvds_setting_info->display_method =
981 viafb_lcd_dsp_method = LCD_CENTERING;
982 } else {
983 viaparinfo->lvds_setting_info->display_method =
984 viafb_lcd_dsp_method = LCD_EXPANDSION;
985 }
986
987 if (active_dev.lcd_mode == LCD_SPWG) {
988 viaparinfo->lvds_setting_info->lcd_mode =
989 viafb_lcd_mode = LCD_SPWG;
990 } else {
991 viaparinfo->lvds_setting_info->lcd_mode =
992 viafb_lcd_mode = LCD_OPENLDI;
993 }
994
995 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
996 viafb_lcd_panel_id = active_dev.lcd_panel_id;
997 viafb_init_lcd_size();
998 }
999 }
1000
1001 /* Check property of mode: */
1002 if (!active_dev.xres1)
1003 viafb_second_xres = 640;
1004 else
1005 viafb_second_xres = active_dev.xres1;
1006 if (!active_dev.yres1)
1007 viafb_second_yres = 480;
1008 else
1009 viafb_second_yres = active_dev.yres1;
1010 if (active_dev.bpp != 0)
1011 viafb_bpp = active_dev.bpp;
1012 if (active_dev.bpp1 != 0)
1013 viafb_bpp1 = active_dev.bpp1;
1014 if (active_dev.refresh != 0)
1015 viafb_refresh = active_dev.refresh;
1016 if (active_dev.refresh1 != 0)
1017 viafb_refresh1 = active_dev.refresh1;
1018 if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1019 viafb_SAMM_ON = active_dev.samm;
1020 viafb_primary_dev = active_dev.primary_dev;
1021
1022 via_set_primary_address(0);
1023 via_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1024 viafb_set_iga_path();
1025 }
1026
1027 static int get_primary_device(void)
1028 {
1029 int primary_device = 0;
1030 /* Rule: device on iga1 path are the primary device. */
1031 if (viafb_SAMM_ON) {
1032 if (viafb_CRT_ON) {
1033 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1034 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1035 viaparinfo->
1036 crt_setting_info->iga_path);
1037 primary_device = CRT_Device;
1038 }
1039 }
1040 if (viafb_DVI_ON) {
1041 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1042 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1043 viaparinfo->
1044 tmds_setting_info->iga_path);
1045 primary_device = DVI_Device;
1046 }
1047 }
1048 if (viafb_LCD_ON) {
1049 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1050 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1051 viaparinfo->
1052 lvds_setting_info->iga_path);
1053 primary_device = LCD_Device;
1054 }
1055 }
1056 if (viafb_LCD2_ON) {
1057 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1058 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1059 viaparinfo->
1060 lvds_setting_info2->iga_path);
1061 primary_device = LCD2_Device;
1062 }
1063 }
1064 }
1065 return primary_device;
1066 }
1067
1068 static void apply_second_mode_setting(struct fb_var_screeninfo
1069 *sec_var)
1070 {
1071 u32 htotal, vtotal, long_refresh;
1072
1073 htotal = sec_var->xres + sec_var->left_margin +
1074 sec_var->right_margin + sec_var->hsync_len;
1075 vtotal = sec_var->yres + sec_var->upper_margin +
1076 sec_var->lower_margin + sec_var->vsync_len;
1077 if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1078 /*Is 32 bytes alignment? */
1079 /*32 pixel alignment */
1080 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1081 }
1082
1083 htotal = sec_var->xres + sec_var->left_margin +
1084 sec_var->right_margin + sec_var->hsync_len;
1085 vtotal = sec_var->yres + sec_var->upper_margin +
1086 sec_var->lower_margin + sec_var->vsync_len;
1087 long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1088 long_refresh /= (htotal * vtotal);
1089
1090 viafb_second_xres = sec_var->xres;
1091 viafb_second_yres = sec_var->yres;
1092 viafb_second_virtual_xres = sec_var->xres_virtual;
1093 viafb_second_virtual_yres = sec_var->yres_virtual;
1094 viafb_bpp1 = sec_var->bits_per_pixel;
1095 viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1096 long_refresh);
1097 }
1098
1099 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1100 struct fb_info *info)
1101 {
1102 int need_set_mode = 0;
1103 DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1104
1105 if (setting_info.device_flag) {
1106 need_set_mode = 1;
1107 check_available_device_to_enable(setting_info.device_status);
1108 }
1109
1110 /* Unlock LCD's operation according to LCD flag
1111 and check if the setting value is valid. */
1112 /* If the value is valid, apply the new setting value to the device. */
1113 if (viafb_LCD_ON) {
1114 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1115 need_set_mode = 1;
1116 if (setting_info.lcd_attributes.display_center) {
1117 /* Centering */
1118 viaparinfo->lvds_setting_info->display_method =
1119 LCD_CENTERING;
1120 viafb_lcd_dsp_method = LCD_CENTERING;
1121 viaparinfo->lvds_setting_info2->display_method =
1122 viafb_lcd_dsp_method = LCD_CENTERING;
1123 } else {
1124 /* expandsion */
1125 viaparinfo->lvds_setting_info->display_method =
1126 LCD_EXPANDSION;
1127 viafb_lcd_dsp_method = LCD_EXPANDSION;
1128 viaparinfo->lvds_setting_info2->display_method =
1129 LCD_EXPANDSION;
1130 viafb_lcd_dsp_method = LCD_EXPANDSION;
1131 }
1132 }
1133
1134 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1135 need_set_mode = 1;
1136 if (setting_info.lcd_attributes.lcd_mode ==
1137 LCD_SPWG) {
1138 viaparinfo->lvds_setting_info->lcd_mode =
1139 viafb_lcd_mode = LCD_SPWG;
1140 } else {
1141 viaparinfo->lvds_setting_info->lcd_mode =
1142 viafb_lcd_mode = LCD_OPENLDI;
1143 }
1144 viaparinfo->lvds_setting_info2->lcd_mode =
1145 viaparinfo->lvds_setting_info->lcd_mode;
1146 }
1147
1148 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1149 need_set_mode = 1;
1150 if (setting_info.lcd_attributes.panel_id <=
1151 LCD_PANEL_ID_MAXIMUM) {
1152 viafb_lcd_panel_id =
1153 setting_info.lcd_attributes.panel_id;
1154 viafb_init_lcd_size();
1155 }
1156 }
1157 }
1158
1159 if (0 != (setting_info.samm_status & OP_SAMM)) {
1160 setting_info.samm_status =
1161 setting_info.samm_status & (~OP_SAMM);
1162 if (setting_info.samm_status == 0
1163 || setting_info.samm_status == 1) {
1164 viafb_SAMM_ON = setting_info.samm_status;
1165
1166 if (viafb_SAMM_ON)
1167 viafb_primary_dev = setting_info.primary_device;
1168
1169 via_set_primary_address(0);
1170 via_set_secondary_address(viafb_SAMM_ON ?
1171 viafb_second_offset : 0);
1172 viafb_set_iga_path();
1173 }
1174 need_set_mode = 1;
1175 }
1176
1177 if (!need_set_mode) {
1178 ;
1179 } else {
1180 viafb_set_iga_path();
1181 viafb_set_par(info);
1182 }
1183 return true;
1184 }
1185
1186 static void retrieve_device_setting(struct viafb_ioctl_setting
1187 *setting_info)
1188 {
1189
1190 /* get device status */
1191 if (viafb_CRT_ON == 1)
1192 setting_info->device_status = CRT_Device;
1193 if (viafb_DVI_ON == 1)
1194 setting_info->device_status |= DVI_Device;
1195 if (viafb_LCD_ON == 1)
1196 setting_info->device_status |= LCD_Device;
1197 if (viafb_LCD2_ON == 1)
1198 setting_info->device_status |= LCD2_Device;
1199
1200 setting_info->samm_status = viafb_SAMM_ON;
1201 setting_info->primary_device = get_primary_device();
1202
1203 setting_info->first_dev_bpp = viafb_bpp;
1204 setting_info->second_dev_bpp = viafb_bpp1;
1205
1206 setting_info->first_dev_refresh = viafb_refresh;
1207 setting_info->second_dev_refresh = viafb_refresh1;
1208
1209 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1210 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1211 setting_info->second_dev_hor_res = viafb_second_xres;
1212 setting_info->second_dev_ver_res = viafb_second_yres;
1213
1214 /* Get lcd attributes */
1215 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1216 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1217 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1218 }
1219
1220 static int parse_active_dev(void)
1221 {
1222 viafb_CRT_ON = STATE_OFF;
1223 viafb_DVI_ON = STATE_OFF;
1224 viafb_LCD_ON = STATE_OFF;
1225 viafb_LCD2_ON = STATE_OFF;
1226 /* 1. Modify the active status of devices. */
1227 /* 2. Keep the order of devices, so we can set corresponding
1228 IGA path to devices in SAMM case. */
1229 /* Note: The previous of active_dev is primary device,
1230 and the following is secondary device. */
1231 if (!viafb_active_dev) {
1232 viafb_CRT_ON = STATE_ON;
1233 viafb_SAMM_ON = STATE_OFF;
1234 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1235 /* CRT+DVI */
1236 viafb_CRT_ON = STATE_ON;
1237 viafb_DVI_ON = STATE_ON;
1238 viafb_primary_dev = CRT_Device;
1239 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1240 /* DVI+CRT */
1241 viafb_CRT_ON = STATE_ON;
1242 viafb_DVI_ON = STATE_ON;
1243 viafb_primary_dev = DVI_Device;
1244 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1245 /* CRT+LCD */
1246 viafb_CRT_ON = STATE_ON;
1247 viafb_LCD_ON = STATE_ON;
1248 viafb_primary_dev = CRT_Device;
1249 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1250 /* LCD+CRT */
1251 viafb_CRT_ON = STATE_ON;
1252 viafb_LCD_ON = STATE_ON;
1253 viafb_primary_dev = LCD_Device;
1254 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1255 /* DVI+LCD */
1256 viafb_DVI_ON = STATE_ON;
1257 viafb_LCD_ON = STATE_ON;
1258 viafb_primary_dev = DVI_Device;
1259 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1260 /* LCD+DVI */
1261 viafb_DVI_ON = STATE_ON;
1262 viafb_LCD_ON = STATE_ON;
1263 viafb_primary_dev = LCD_Device;
1264 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1265 viafb_LCD_ON = STATE_ON;
1266 viafb_LCD2_ON = STATE_ON;
1267 viafb_primary_dev = LCD_Device;
1268 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1269 viafb_LCD_ON = STATE_ON;
1270 viafb_LCD2_ON = STATE_ON;
1271 viafb_primary_dev = LCD2_Device;
1272 } else if (!strcmp(viafb_active_dev, "CRT")) {
1273 /* CRT only */
1274 viafb_CRT_ON = STATE_ON;
1275 viafb_SAMM_ON = STATE_OFF;
1276 } else if (!strcmp(viafb_active_dev, "DVI")) {
1277 /* DVI only */
1278 viafb_DVI_ON = STATE_ON;
1279 viafb_SAMM_ON = STATE_OFF;
1280 } else if (!strcmp(viafb_active_dev, "LCD")) {
1281 /* LCD only */
1282 viafb_LCD_ON = STATE_ON;
1283 viafb_SAMM_ON = STATE_OFF;
1284 } else
1285 return -EINVAL;
1286
1287 return 0;
1288 }
1289
1290 static int parse_port(char *opt_str, int *output_interface)
1291 {
1292 if (!strncmp(opt_str, "DVP0", 4))
1293 *output_interface = INTERFACE_DVP0;
1294 else if (!strncmp(opt_str, "DVP1", 4))
1295 *output_interface = INTERFACE_DVP1;
1296 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1297 *output_interface = INTERFACE_DFP;
1298 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1299 *output_interface = INTERFACE_DFP_HIGH;
1300 else if (!strncmp(opt_str, "DFP_LOW", 7))
1301 *output_interface = INTERFACE_DFP_LOW;
1302 else
1303 *output_interface = INTERFACE_NONE;
1304 return 0;
1305 }
1306
1307 static void parse_lcd_port(void)
1308 {
1309 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1310 output_interface);
1311 /*Initialize to avoid unexpected behavior */
1312 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1313 INTERFACE_NONE;
1314
1315 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1316 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1317 output_interface);
1318 }
1319
1320 static void parse_dvi_port(void)
1321 {
1322 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1323 output_interface);
1324
1325 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1326 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1327 output_interface);
1328 }
1329
1330 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1331
1332 /*
1333 * The proc filesystem read/write function, a simple proc implement to
1334 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1335 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1336 * CR9B, SR65, CR97, CR99
1337 */
1338 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1339 {
1340 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1341 dvp0_data_dri =
1342 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1343 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1344 dvp0_clk_dri =
1345 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1346 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1347 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1348 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1349 return 0;
1350 }
1351
1352 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1353 {
1354 return single_open(file, viafb_dvp0_proc_show, NULL);
1355 }
1356
1357 static ssize_t viafb_dvp0_proc_write(struct file *file,
1358 const char __user *buffer, size_t count, loff_t *pos)
1359 {
1360 char buf[20], *value, *pbuf;
1361 u8 reg_val = 0;
1362 unsigned long length, i;
1363 if (count < 1)
1364 return -EINVAL;
1365 length = count > 20 ? 20 : count;
1366 if (copy_from_user(&buf[0], buffer, length))
1367 return -EFAULT;
1368 buf[length - 1] = '\0'; /*Ensure end string */
1369 pbuf = &buf[0];
1370 for (i = 0; i < 3; i++) {
1371 value = strsep(&pbuf, " ");
1372 if (value != NULL) {
1373 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1374 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1375 reg_val);
1376 switch (i) {
1377 case 0:
1378 viafb_write_reg_mask(CR96, VIACR,
1379 reg_val, 0x0f);
1380 break;
1381 case 1:
1382 viafb_write_reg_mask(SR2A, VIASR,
1383 reg_val << 4, BIT5);
1384 viafb_write_reg_mask(SR1B, VIASR,
1385 reg_val << 1, BIT1);
1386 break;
1387 case 2:
1388 viafb_write_reg_mask(SR2A, VIASR,
1389 reg_val << 3, BIT4);
1390 viafb_write_reg_mask(SR1E, VIASR,
1391 reg_val << 2, BIT2);
1392 break;
1393 default:
1394 break;
1395 }
1396 } else {
1397 break;
1398 }
1399 }
1400 return count;
1401 }
1402
1403 static const struct file_operations viafb_dvp0_proc_fops = {
1404 .owner = THIS_MODULE,
1405 .open = viafb_dvp0_proc_open,
1406 .read = seq_read,
1407 .llseek = seq_lseek,
1408 .release = single_release,
1409 .write = viafb_dvp0_proc_write,
1410 };
1411
1412 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1413 {
1414 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1415 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1416 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1417 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1418 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1419 return 0;
1420 }
1421
1422 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1423 {
1424 return single_open(file, viafb_dvp1_proc_show, NULL);
1425 }
1426
1427 static ssize_t viafb_dvp1_proc_write(struct file *file,
1428 const char __user *buffer, size_t count, loff_t *pos)
1429 {
1430 char buf[20], *value, *pbuf;
1431 u8 reg_val = 0;
1432 unsigned long length, i;
1433 if (count < 1)
1434 return -EINVAL;
1435 length = count > 20 ? 20 : count;
1436 if (copy_from_user(&buf[0], buffer, length))
1437 return -EFAULT;
1438 buf[length - 1] = '\0'; /*Ensure end string */
1439 pbuf = &buf[0];
1440 for (i = 0; i < 3; i++) {
1441 value = strsep(&pbuf, " ");
1442 if (value != NULL) {
1443 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1444 switch (i) {
1445 case 0:
1446 viafb_write_reg_mask(CR9B, VIACR,
1447 reg_val, 0x0f);
1448 break;
1449 case 1:
1450 viafb_write_reg_mask(SR65, VIASR,
1451 reg_val << 2, 0x0c);
1452 break;
1453 case 2:
1454 viafb_write_reg_mask(SR65, VIASR,
1455 reg_val, 0x03);
1456 break;
1457 default:
1458 break;
1459 }
1460 } else {
1461 break;
1462 }
1463 }
1464 return count;
1465 }
1466
1467 static const struct file_operations viafb_dvp1_proc_fops = {
1468 .owner = THIS_MODULE,
1469 .open = viafb_dvp1_proc_open,
1470 .read = seq_read,
1471 .llseek = seq_lseek,
1472 .release = single_release,
1473 .write = viafb_dvp1_proc_write,
1474 };
1475
1476 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1477 {
1478 u8 dfp_high = 0;
1479 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1480 seq_printf(m, "%x\n", dfp_high);
1481 return 0;
1482 }
1483
1484 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1485 {
1486 return single_open(file, viafb_dfph_proc_show, NULL);
1487 }
1488
1489 static ssize_t viafb_dfph_proc_write(struct file *file,
1490 const char __user *buffer, size_t count, loff_t *pos)
1491 {
1492 char buf[20];
1493 u8 reg_val = 0;
1494 unsigned long length;
1495 if (count < 1)
1496 return -EINVAL;
1497 length = count > 20 ? 20 : count;
1498 if (copy_from_user(&buf[0], buffer, length))
1499 return -EFAULT;
1500 buf[length - 1] = '\0'; /*Ensure end string */
1501 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1502 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1503 return count;
1504 }
1505
1506 static const struct file_operations viafb_dfph_proc_fops = {
1507 .owner = THIS_MODULE,
1508 .open = viafb_dfph_proc_open,
1509 .read = seq_read,
1510 .llseek = seq_lseek,
1511 .release = single_release,
1512 .write = viafb_dfph_proc_write,
1513 };
1514
1515 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1516 {
1517 u8 dfp_low = 0;
1518 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1519 seq_printf(m, "%x\n", dfp_low);
1520 return 0;
1521 }
1522
1523 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1524 {
1525 return single_open(file, viafb_dfpl_proc_show, NULL);
1526 }
1527
1528 static ssize_t viafb_dfpl_proc_write(struct file *file,
1529 const char __user *buffer, size_t count, loff_t *pos)
1530 {
1531 char buf[20];
1532 u8 reg_val = 0;
1533 unsigned long length;
1534 if (count < 1)
1535 return -EINVAL;
1536 length = count > 20 ? 20 : count;
1537 if (copy_from_user(&buf[0], buffer, length))
1538 return -EFAULT;
1539 buf[length - 1] = '\0'; /*Ensure end string */
1540 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1541 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1542 return count;
1543 }
1544
1545 static const struct file_operations viafb_dfpl_proc_fops = {
1546 .owner = THIS_MODULE,
1547 .open = viafb_dfpl_proc_open,
1548 .read = seq_read,
1549 .llseek = seq_lseek,
1550 .release = single_release,
1551 .write = viafb_dfpl_proc_write,
1552 };
1553
1554 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1555 {
1556 u8 vt1636_08 = 0, vt1636_09 = 0;
1557 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1558 case VT1636_LVDS:
1559 vt1636_08 =
1560 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1561 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1562 vt1636_09 =
1563 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1564 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1565 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1566 break;
1567 default:
1568 break;
1569 }
1570 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1571 case VT1636_LVDS:
1572 vt1636_08 =
1573 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1574 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1575 vt1636_09 =
1576 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1577 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1578 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1579 break;
1580 default:
1581 break;
1582 }
1583 return 0;
1584 }
1585
1586 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1587 {
1588 return single_open(file, viafb_vt1636_proc_show, NULL);
1589 }
1590
1591 static ssize_t viafb_vt1636_proc_write(struct file *file,
1592 const char __user *buffer, size_t count, loff_t *pos)
1593 {
1594 char buf[30], *value, *pbuf;
1595 struct IODATA reg_val;
1596 unsigned long length, i;
1597 if (count < 1)
1598 return -EINVAL;
1599 length = count > 30 ? 30 : count;
1600 if (copy_from_user(&buf[0], buffer, length))
1601 return -EFAULT;
1602 buf[length - 1] = '\0'; /*Ensure end string */
1603 pbuf = &buf[0];
1604 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1605 case VT1636_LVDS:
1606 for (i = 0; i < 2; i++) {
1607 value = strsep(&pbuf, " ");
1608 if (value != NULL) {
1609 strict_strtoul(value, 0,
1610 (unsigned long *)&reg_val.Data);
1611 switch (i) {
1612 case 0:
1613 reg_val.Index = 0x08;
1614 reg_val.Mask = 0x0f;
1615 viafb_gpio_i2c_write_mask_lvds
1616 (viaparinfo->lvds_setting_info,
1617 &viaparinfo->
1618 chip_info->lvds_chip_info,
1619 reg_val);
1620 break;
1621 case 1:
1622 reg_val.Index = 0x09;
1623 reg_val.Mask = 0x1f;
1624 viafb_gpio_i2c_write_mask_lvds
1625 (viaparinfo->lvds_setting_info,
1626 &viaparinfo->
1627 chip_info->lvds_chip_info,
1628 reg_val);
1629 break;
1630 default:
1631 break;
1632 }
1633 } else {
1634 break;
1635 }
1636 }
1637 break;
1638 default:
1639 break;
1640 }
1641 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1642 case VT1636_LVDS:
1643 for (i = 0; i < 2; i++) {
1644 value = strsep(&pbuf, " ");
1645 if (value != NULL) {
1646 strict_strtoul(value, 0,
1647 (unsigned long *)&reg_val.Data);
1648 switch (i) {
1649 case 0:
1650 reg_val.Index = 0x08;
1651 reg_val.Mask = 0x0f;
1652 viafb_gpio_i2c_write_mask_lvds
1653 (viaparinfo->lvds_setting_info2,
1654 &viaparinfo->
1655 chip_info->lvds_chip_info2,
1656 reg_val);
1657 break;
1658 case 1:
1659 reg_val.Index = 0x09;
1660 reg_val.Mask = 0x1f;
1661 viafb_gpio_i2c_write_mask_lvds
1662 (viaparinfo->lvds_setting_info2,
1663 &viaparinfo->
1664 chip_info->lvds_chip_info2,
1665 reg_val);
1666 break;
1667 default:
1668 break;
1669 }
1670 } else {
1671 break;
1672 }
1673 }
1674 break;
1675 default:
1676 break;
1677 }
1678 return count;
1679 }
1680
1681 static const struct file_operations viafb_vt1636_proc_fops = {
1682 .owner = THIS_MODULE,
1683 .open = viafb_vt1636_proc_open,
1684 .read = seq_read,
1685 .llseek = seq_lseek,
1686 .release = single_release,
1687 .write = viafb_vt1636_proc_write,
1688 };
1689
1690 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1691 {
1692 *viafb_entry = proc_mkdir("viafb", NULL);
1693 if (*viafb_entry) {
1694 proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
1695 proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
1696 proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
1697 proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
1698 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1699 lvds_chip_name || VT1636_LVDS ==
1700 viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1701 proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
1702 }
1703
1704 }
1705 }
1706 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1707 {
1708 struct chip_information *chip_info = &viaparinfo->shared->chip_info;
1709
1710 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1711 remove_proc_entry("dvp1", viafb_entry);
1712 remove_proc_entry("dfph", viafb_entry);
1713 remove_proc_entry("dfpl", viafb_entry);
1714 if (chip_info->lvds_chip_info.lvds_chip_name == VT1636_LVDS
1715 || chip_info->lvds_chip_info2.lvds_chip_name == VT1636_LVDS)
1716 remove_proc_entry("vt1636", viafb_entry);
1717
1718 remove_proc_entry("viafb", NULL);
1719 }
1720
1721 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1722
1723 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1724 {
1725 char *ptr;
1726
1727 if (!str) {
1728 *xres = 640;
1729 *yres = 480;
1730 return 0;
1731 }
1732
1733 *xres = simple_strtoul(str, &ptr, 10);
1734 if (ptr[0] != 'x')
1735 return -EINVAL;
1736
1737 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1738 if (ptr[0])
1739 return -EINVAL;
1740
1741 return 0;
1742 }
1743
1744
1745 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1746 {
1747 u32 default_xres, default_yres;
1748 struct VideoModeTable *vmode_entry;
1749 struct fb_var_screeninfo default_var;
1750 int rc;
1751 u32 viafb_par_length;
1752
1753 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1754 memset(&default_var, 0, sizeof(default_var));
1755 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1756
1757 /* Allocate fb_info and ***_par here, also including some other needed
1758 * variables
1759 */
1760 viafbinfo = framebuffer_alloc(viafb_par_length +
1761 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1762 &vdev->pdev->dev);
1763 if (!viafbinfo) {
1764 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1765 return -ENOMEM;
1766 }
1767
1768 viaparinfo = (struct viafb_par *)viafbinfo->par;
1769 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1770 viaparinfo->shared->vdev = vdev;
1771 viaparinfo->vram_addr = 0;
1772 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1773 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1774 viaparinfo->lvds_setting_info2 =
1775 &viaparinfo->shared->lvds_setting_info2;
1776 viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1777 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1778
1779 if (viafb_dual_fb)
1780 viafb_SAMM_ON = 1;
1781 parse_lcd_port();
1782 parse_dvi_port();
1783
1784 /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1785 if (!viafb_SAMM_ON)
1786 viafb_dual_fb = 0;
1787
1788 viafb_init_chip_info(vdev->chip_type);
1789 /*
1790 * The framebuffer will have been successfully mapped by
1791 * the core (or we'd not be here), but we still need to
1792 * set up our own accounting.
1793 */
1794 viaparinfo->fbmem = vdev->fbmem_start;
1795 viaparinfo->memsize = vdev->fbmem_len;
1796 viaparinfo->fbmem_free = viaparinfo->memsize;
1797 viaparinfo->fbmem_used = 0;
1798 viafbinfo->screen_base = vdev->fbmem;
1799
1800 viafbinfo->fix.mmio_start = vdev->engine_start;
1801 viafbinfo->fix.mmio_len = vdev->engine_len;
1802 viafbinfo->node = 0;
1803 viafbinfo->fbops = &viafb_ops;
1804 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1805
1806 viafbinfo->pseudo_palette = pseudo_pal;
1807 if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1808 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1809 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1810 default_var.accel_flags = FB_ACCELF_TEXT;
1811 } else {
1812 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1813 default_var.accel_flags = 0;
1814 }
1815
1816 if (viafb_second_size && (viafb_second_size < 8)) {
1817 viafb_second_offset = viaparinfo->fbmem_free -
1818 viafb_second_size * 1024 * 1024;
1819 } else {
1820 viafb_second_size = 8;
1821 viafb_second_offset = viaparinfo->fbmem_free -
1822 viafb_second_size * 1024 * 1024;
1823 }
1824
1825 parse_mode(viafb_mode, &default_xres, &default_yres);
1826 vmode_entry = viafb_get_mode(default_xres, default_yres);
1827 if (viafb_SAMM_ON == 1) {
1828 parse_mode(viafb_mode1, &viafb_second_xres,
1829 &viafb_second_yres);
1830
1831 if (0 == viafb_second_virtual_xres) {
1832 switch (viafb_second_xres) {
1833 case 1400:
1834 viafb_second_virtual_xres = 1408;
1835 break;
1836 default:
1837 viafb_second_virtual_xres = viafb_second_xres;
1838 break;
1839 }
1840 }
1841 if (0 == viafb_second_virtual_yres)
1842 viafb_second_virtual_yres = viafb_second_yres;
1843 }
1844
1845 default_var.xres = default_xres;
1846 default_var.yres = default_yres;
1847 switch (default_xres) {
1848 case 1400:
1849 default_var.xres_virtual = 1408;
1850 break;
1851 default:
1852 default_var.xres_virtual = default_xres;
1853 break;
1854 }
1855 default_var.yres_virtual = default_yres;
1856 default_var.bits_per_pixel = viafb_bpp;
1857 default_var.pixclock =
1858 viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1859 default_var.left_margin = (default_xres >> 3) & 0xf8;
1860 default_var.right_margin = 32;
1861 default_var.upper_margin = 16;
1862 default_var.lower_margin = 4;
1863 default_var.hsync_len = default_var.left_margin;
1864 default_var.vsync_len = 4;
1865 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1866 viafbinfo->var = default_var;
1867
1868 if (viafb_dual_fb) {
1869 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1870 &vdev->pdev->dev);
1871 if (!viafbinfo1) {
1872 printk(KERN_ERR
1873 "allocate the second framebuffer struct error\n");
1874 rc = -ENOMEM;
1875 goto out_fb_release;
1876 }
1877 viaparinfo1 = viafbinfo1->par;
1878 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1879 viaparinfo1->vram_addr = viafb_second_offset;
1880 viaparinfo1->memsize = viaparinfo->memsize -
1881 viafb_second_offset;
1882 viaparinfo->memsize = viafb_second_offset;
1883 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1884
1885 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1886 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1887 viaparinfo1->fbmem_used;
1888 viaparinfo->fbmem_free = viaparinfo->memsize;
1889 viaparinfo->fbmem_used = 0;
1890
1891 viaparinfo->iga_path = IGA1;
1892 viaparinfo1->iga_path = IGA2;
1893 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1894 viafbinfo1->par = viaparinfo1;
1895 viafbinfo1->screen_base = viafbinfo->screen_base +
1896 viafb_second_offset;
1897
1898 default_var.xres = viafb_second_xres;
1899 default_var.yres = viafb_second_yres;
1900 default_var.xres_virtual = viafb_second_virtual_xres;
1901 default_var.yres_virtual = viafb_second_virtual_yres;
1902 default_var.bits_per_pixel = viafb_bpp1;
1903 default_var.pixclock =
1904 viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1905 viafb_refresh);
1906 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1907 default_var.right_margin = 32;
1908 default_var.upper_margin = 16;
1909 default_var.lower_margin = 4;
1910 default_var.hsync_len = default_var.left_margin;
1911 default_var.vsync_len = 4;
1912
1913 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1914 viafb_check_var(&default_var, viafbinfo1);
1915 viafbinfo1->var = default_var;
1916 viafb_update_fix(viafbinfo1);
1917 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1918 &viafbinfo1->fix);
1919 }
1920
1921 viafb_check_var(&viafbinfo->var, viafbinfo);
1922 viafb_update_fix(viafbinfo);
1923 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1924 &viafbinfo->fix);
1925 default_var.activate = FB_ACTIVATE_NOW;
1926 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1927 if (rc)
1928 goto out_fb1_release;
1929
1930 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1931 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1932 rc = register_framebuffer(viafbinfo1);
1933 if (rc)
1934 goto out_dealloc_cmap;
1935 }
1936 rc = register_framebuffer(viafbinfo);
1937 if (rc)
1938 goto out_fb1_unreg_lcd_cle266;
1939
1940 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1941 || (viaparinfo->chip_info->gfx_chip_name !=
1942 UNICHROME_CLE266))) {
1943 rc = register_framebuffer(viafbinfo1);
1944 if (rc)
1945 goto out_fb_unreg;
1946 }
1947 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1948 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1949 default_var.yres, default_var.bits_per_pixel);
1950
1951 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1952 viafb_init_proc(&viaparinfo->shared->proc_entry);
1953 #endif
1954 viafb_init_dac(IGA2);
1955 return 0;
1956
1957 out_fb_unreg:
1958 unregister_framebuffer(viafbinfo);
1959 out_fb1_unreg_lcd_cle266:
1960 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1961 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1962 unregister_framebuffer(viafbinfo1);
1963 out_dealloc_cmap:
1964 fb_dealloc_cmap(&viafbinfo->cmap);
1965 out_fb1_release:
1966 if (viafbinfo1)
1967 framebuffer_release(viafbinfo1);
1968 out_fb_release:
1969 framebuffer_release(viafbinfo);
1970 return rc;
1971 }
1972
1973 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1974 {
1975 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1976 fb_dealloc_cmap(&viafbinfo->cmap);
1977 unregister_framebuffer(viafbinfo);
1978 if (viafb_dual_fb)
1979 unregister_framebuffer(viafbinfo1);
1980 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1981 viafb_remove_proc(viaparinfo->shared->proc_entry);
1982 #endif
1983 framebuffer_release(viafbinfo);
1984 if (viafb_dual_fb)
1985 framebuffer_release(viafbinfo1);
1986 }
1987
1988 #ifndef MODULE
1989 static int __init viafb_setup(char *options)
1990 {
1991 char *this_opt;
1992 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1993
1994 if (!options || !*options)
1995 return 0;
1996
1997 while ((this_opt = strsep(&options, ",")) != NULL) {
1998 if (!*this_opt)
1999 continue;
2000
2001 if (!strncmp(this_opt, "viafb_mode1=", 12))
2002 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2003 else if (!strncmp(this_opt, "viafb_mode=", 11))
2004 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2005 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2006 strict_strtoul(this_opt + 11, 0,
2007 (unsigned long *)&viafb_bpp1);
2008 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2009 strict_strtoul(this_opt + 10, 0,
2010 (unsigned long *)&viafb_bpp);
2011 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2012 strict_strtoul(this_opt + 15, 0,
2013 (unsigned long *)&viafb_refresh1);
2014 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2015 strict_strtoul(this_opt + 14, 0,
2016 (unsigned long *)&viafb_refresh);
2017 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2018 strict_strtoul(this_opt + 21, 0,
2019 (unsigned long *)&viafb_lcd_dsp_method);
2020 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2021 strict_strtoul(this_opt + 19, 0,
2022 (unsigned long *)&viafb_lcd_panel_id);
2023 else if (!strncmp(this_opt, "viafb_accel=", 12))
2024 strict_strtoul(this_opt + 12, 0,
2025 (unsigned long *)&viafb_accel);
2026 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2027 strict_strtoul(this_opt + 14, 0,
2028 (unsigned long *)&viafb_SAMM_ON);
2029 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2030 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2031 else if (!strncmp(this_opt,
2032 "viafb_display_hardware_layout=", 30))
2033 strict_strtoul(this_opt + 30, 0,
2034 (unsigned long *)&viafb_display_hardware_layout);
2035 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2036 strict_strtoul(this_opt + 18, 0,
2037 (unsigned long *)&viafb_second_size);
2038 else if (!strncmp(this_opt,
2039 "viafb_platform_epia_dvi=", 24))
2040 strict_strtoul(this_opt + 24, 0,
2041 (unsigned long *)&viafb_platform_epia_dvi);
2042 else if (!strncmp(this_opt,
2043 "viafb_device_lcd_dualedge=", 26))
2044 strict_strtoul(this_opt + 26, 0,
2045 (unsigned long *)&viafb_device_lcd_dualedge);
2046 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2047 strict_strtoul(this_opt + 16, 0,
2048 (unsigned long *)&viafb_bus_width);
2049 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2050 strict_strtoul(this_opt + 15, 0,
2051 (unsigned long *)&viafb_lcd_mode);
2052 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2053 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2054 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2055 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2056 }
2057 return 0;
2058 }
2059 #endif
2060
2061 /*
2062 * These are called out of via-core for now.
2063 */
2064 int __init viafb_init(void)
2065 {
2066 u32 dummy;
2067 #ifndef MODULE
2068 char *option = NULL;
2069 if (fb_get_options("viafb", &option))
2070 return -ENODEV;
2071 viafb_setup(option);
2072 #endif
2073 if (parse_mode(viafb_mode, &dummy, &dummy)
2074 || parse_mode(viafb_mode1, &dummy, &dummy)
2075 || viafb_bpp < 0 || viafb_bpp > 32
2076 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2077 || parse_active_dev())
2078 return -EINVAL;
2079
2080 printk(KERN_INFO
2081 "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2082 VERSION_MAJOR, VERSION_MINOR);
2083 return 0;
2084 }
2085
2086 void __exit viafb_exit(void)
2087 {
2088 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2089 }
2090
2091 static struct fb_ops viafb_ops = {
2092 .owner = THIS_MODULE,
2093 .fb_open = viafb_open,
2094 .fb_release = viafb_release,
2095 .fb_check_var = viafb_check_var,
2096 .fb_set_par = viafb_set_par,
2097 .fb_setcolreg = viafb_setcolreg,
2098 .fb_pan_display = viafb_pan_display,
2099 .fb_blank = viafb_blank,
2100 .fb_fillrect = viafb_fillrect,
2101 .fb_copyarea = viafb_copyarea,
2102 .fb_imageblit = viafb_imageblit,
2103 .fb_cursor = viafb_cursor,
2104 .fb_ioctl = viafb_ioctl,
2105 .fb_sync = viafb_sync,
2106 };
2107
2108
2109 #ifdef MODULE
2110 module_param(viafb_mode, charp, S_IRUSR);
2111 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2112
2113 module_param(viafb_mode1, charp, S_IRUSR);
2114 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2115
2116 module_param(viafb_bpp, int, S_IRUSR);
2117 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2118
2119 module_param(viafb_bpp1, int, S_IRUSR);
2120 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2121
2122 module_param(viafb_refresh, int, S_IRUSR);
2123 MODULE_PARM_DESC(viafb_refresh,
2124 "Set CRT viafb_refresh rate (default = 60)");
2125
2126 module_param(viafb_refresh1, int, S_IRUSR);
2127 MODULE_PARM_DESC(viafb_refresh1,
2128 "Set CRT refresh rate (default = 60)");
2129
2130 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2131 MODULE_PARM_DESC(viafb_lcd_panel_id,
2132 "Set Flat Panel type(Default=1024x768)");
2133
2134 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2135 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2136 "Set Flat Panel display scaling method.(Default=Expandsion)");
2137
2138 module_param(viafb_SAMM_ON, int, S_IRUSR);
2139 MODULE_PARM_DESC(viafb_SAMM_ON,
2140 "Turn on/off flag of SAMM(Default=OFF)");
2141
2142 module_param(viafb_accel, int, S_IRUSR);
2143 MODULE_PARM_DESC(viafb_accel,
2144 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2145
2146 module_param(viafb_active_dev, charp, S_IRUSR);
2147 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2148
2149 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2150 MODULE_PARM_DESC(viafb_display_hardware_layout,
2151 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2152
2153 module_param(viafb_second_size, int, S_IRUSR);
2154 MODULE_PARM_DESC(viafb_second_size,
2155 "Set secondary device memory size");
2156
2157 module_param(viafb_dual_fb, int, S_IRUSR);
2158 MODULE_PARM_DESC(viafb_dual_fb,
2159 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2160
2161 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2162 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2163 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2164
2165 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2166 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2167 "Turn on/off flag of dual edge panel.(Default = OFF)");
2168
2169 module_param(viafb_bus_width, int, S_IRUSR);
2170 MODULE_PARM_DESC(viafb_bus_width,
2171 "Set bus width of panel.(Default = 12)");
2172
2173 module_param(viafb_lcd_mode, int, S_IRUSR);
2174 MODULE_PARM_DESC(viafb_lcd_mode,
2175 "Set Flat Panel mode(Default=OPENLDI)");
2176
2177 module_param(viafb_lcd_port, charp, S_IRUSR);
2178 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2179
2180 module_param(viafb_dvi_port, charp, S_IRUSR);
2181 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2182
2183 MODULE_LICENSE("GPL");
2184 #endif
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