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[mirror_ubuntu-zesty-kernel.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 static char *viafb_active_dev;
47
48 /*Added for specify lcd output port*/
49 static char *viafb_lcd_port = "";
50 static char *viafb_dvi_port = "";
51
52 static void retrieve_device_setting(struct viafb_ioctl_setting
53 *setting_info);
54 static int viafb_pan_display(struct fb_var_screeninfo *var,
55 struct fb_info *info);
56
57 static struct fb_ops viafb_ops;
58
59 /* supported output devices on each IGP
60 * only CX700, VX800, VX855, VX900 were documented
61 * VIA_CRT should be everywhere
62 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
63 * source selection on CX700 and later
64 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
65 */
66 static const u32 supported_odev_map[] = {
67 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1,
68 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
69 | VIA_LVDS2,
70 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
71 | VIA_LVDS2,
72 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
73 | VIA_LVDS2,
74 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
75 | VIA_LVDS2,
76 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
77 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
78 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
79 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
80 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
81 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
82 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
83 [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
84 };
85
86 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
87 {
88 var->grayscale = 0;
89 var->red.msb_right = 0;
90 var->green.msb_right = 0;
91 var->blue.msb_right = 0;
92 var->transp.offset = 0;
93 var->transp.length = 0;
94 var->transp.msb_right = 0;
95 var->nonstd = 0;
96 switch (depth) {
97 case 8:
98 var->bits_per_pixel = 8;
99 var->red.offset = 0;
100 var->green.offset = 0;
101 var->blue.offset = 0;
102 var->red.length = 8;
103 var->green.length = 8;
104 var->blue.length = 8;
105 break;
106 case 15:
107 var->bits_per_pixel = 16;
108 var->red.offset = 10;
109 var->green.offset = 5;
110 var->blue.offset = 0;
111 var->red.length = 5;
112 var->green.length = 5;
113 var->blue.length = 5;
114 break;
115 case 16:
116 var->bits_per_pixel = 16;
117 var->red.offset = 11;
118 var->green.offset = 5;
119 var->blue.offset = 0;
120 var->red.length = 5;
121 var->green.length = 6;
122 var->blue.length = 5;
123 break;
124 case 24:
125 var->bits_per_pixel = 32;
126 var->red.offset = 16;
127 var->green.offset = 8;
128 var->blue.offset = 0;
129 var->red.length = 8;
130 var->green.length = 8;
131 var->blue.length = 8;
132 break;
133 case 30:
134 var->bits_per_pixel = 32;
135 var->red.offset = 20;
136 var->green.offset = 10;
137 var->blue.offset = 0;
138 var->red.length = 10;
139 var->green.length = 10;
140 var->blue.length = 10;
141 break;
142 }
143 }
144
145 static void viafb_update_fix(struct fb_info *info)
146 {
147 u32 bpp = info->var.bits_per_pixel;
148
149 info->fix.visual =
150 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
151 info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
152 }
153
154 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
155 struct viafb_par *viaparinfo)
156 {
157 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
158 strcpy(fix->id, viafb_name);
159
160 fix->smem_start = viaparinfo->fbmem;
161 fix->smem_len = viaparinfo->fbmem_free;
162
163 fix->type = FB_TYPE_PACKED_PIXELS;
164 fix->type_aux = 0;
165 fix->visual = FB_VISUAL_TRUECOLOR;
166
167 fix->xpanstep = fix->ywrapstep = 0;
168 fix->ypanstep = 1;
169
170 /* Just tell the accel name */
171 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
172 }
173 static int viafb_open(struct fb_info *info, int user)
174 {
175 DEBUG_MSG(KERN_INFO "viafb_open!\n");
176 return 0;
177 }
178
179 static int viafb_release(struct fb_info *info, int user)
180 {
181 DEBUG_MSG(KERN_INFO "viafb_release!\n");
182 return 0;
183 }
184
185 static int viafb_check_var(struct fb_var_screeninfo *var,
186 struct fb_info *info)
187 {
188 int htotal, vtotal, depth;
189 struct VideoModeTable *vmode_entry;
190 struct viafb_par *ppar = info->par;
191 u32 long_refresh, line;
192
193 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
194 /* Sanity check */
195 /* HW neither support interlacte nor double-scaned mode */
196 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
197 return -EINVAL;
198
199 vmode_entry = viafb_get_mode(var->xres, var->yres);
200 if (!vmode_entry) {
201 DEBUG_MSG(KERN_INFO
202 "viafb: Mode %dx%dx%d not supported!!\n",
203 var->xres, var->yres, var->bits_per_pixel);
204 return -EINVAL;
205 }
206
207 depth = fb_get_color_depth(var, &info->fix);
208 if (!depth)
209 depth = var->bits_per_pixel;
210
211 if (depth < 0 || depth > 32)
212 return -EINVAL;
213 else if (!depth)
214 depth = 24;
215 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
216 depth = 15;
217 else if (depth == 30)
218 depth = 30;
219 else if (depth <= 8)
220 depth = 8;
221 else if (depth <= 16)
222 depth = 16;
223 else
224 depth = 24;
225
226 viafb_fill_var_color_info(var, depth);
227 line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
228 if (line * var->yres_virtual > ppar->memsize)
229 return -EINVAL;
230
231 /* Based on var passed in to calculate the refresh,
232 * because our driver use some modes special.
233 */
234 htotal = var->xres + var->left_margin +
235 var->right_margin + var->hsync_len;
236 vtotal = var->yres + var->upper_margin +
237 var->lower_margin + var->vsync_len;
238 long_refresh = 1000000000UL / var->pixclock * 1000;
239 long_refresh /= (htotal * vtotal);
240
241 viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
242
243 /* Adjust var according to our driver's own table */
244 viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
245 if (var->accel_flags & FB_ACCELF_TEXT &&
246 !ppar->shared->vdev->engine_mmio)
247 var->accel_flags = 0;
248
249 return 0;
250 }
251
252 static int viafb_set_par(struct fb_info *info)
253 {
254 struct viafb_par *viapar = info->par;
255 struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
256 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
257
258 viafb_update_fix(info);
259 viapar->depth = fb_get_color_depth(&info->var, &info->fix);
260 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
261 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
262
263 vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
264 if (viafb_dual_fb) {
265 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
266 viafbinfo1->var.yres);
267 viafb_update_device_setting(viafbinfo1->var.xres,
268 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
269 viafb_refresh1, 1);
270 } else if (viafb_SAMM_ON == 1) {
271 DEBUG_MSG(KERN_INFO
272 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
273 viafb_second_xres, viafb_second_yres, viafb_bpp1);
274 vmode_entry1 = viafb_get_mode(viafb_second_xres,
275 viafb_second_yres);
276
277 viafb_update_device_setting(viafb_second_xres,
278 viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
279 }
280
281 if (vmode_entry) {
282 if (viafb_dual_fb && viapar->iga_path == IGA2)
283 viafb_bpp1 = info->var.bits_per_pixel;
284 else
285 viafb_bpp = info->var.bits_per_pixel;
286
287 if (info->var.accel_flags & FB_ACCELF_TEXT)
288 info->flags &= ~FBINFO_HWACCEL_DISABLED;
289 else
290 info->flags |= FBINFO_HWACCEL_DISABLED;
291 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
292 vmode_entry1, viafb_bpp1);
293 viafb_pan_display(&info->var, info);
294 }
295
296 return 0;
297 }
298
299 /* Set one color register */
300 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
301 unsigned blue, unsigned transp, struct fb_info *info)
302 {
303 struct viafb_par *viapar = info->par;
304 u32 r, g, b;
305
306 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
307 if (regno > 255)
308 return -EINVAL;
309
310 if (!viafb_dual_fb || viapar->iga_path == IGA1)
311 viafb_set_primary_color_register(regno, red >> 8,
312 green >> 8, blue >> 8);
313
314 if (!viafb_dual_fb || viapar->iga_path == IGA2)
315 viafb_set_secondary_color_register(regno, red >> 8,
316 green >> 8, blue >> 8);
317 } else {
318 if (regno > 15)
319 return -EINVAL;
320
321 r = (red >> (16 - info->var.red.length))
322 << info->var.red.offset;
323 b = (blue >> (16 - info->var.blue.length))
324 << info->var.blue.offset;
325 g = (green >> (16 - info->var.green.length))
326 << info->var.green.offset;
327 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
328 }
329
330 return 0;
331 }
332
333 static int viafb_pan_display(struct fb_var_screeninfo *var,
334 struct fb_info *info)
335 {
336 struct viafb_par *viapar = info->par;
337 u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
338 * (var->bits_per_pixel / 8) + viapar->vram_addr;
339
340 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
341 if (!viafb_dual_fb) {
342 via_set_primary_address(vram_addr);
343 via_set_secondary_address(vram_addr);
344 } else if (viapar->iga_path == IGA1)
345 via_set_primary_address(vram_addr);
346 else
347 via_set_secondary_address(vram_addr);
348
349 return 0;
350 }
351
352 static int viafb_blank(int blank_mode, struct fb_info *info)
353 {
354 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
355 /* clear DPMS setting */
356
357 switch (blank_mode) {
358 case FB_BLANK_UNBLANK:
359 /* Screen: On, HSync: On, VSync: On */
360 /* control CRT monitor power management */
361 via_set_state(VIA_CRT, VIA_STATE_ON);
362 break;
363 case FB_BLANK_HSYNC_SUSPEND:
364 /* Screen: Off, HSync: Off, VSync: On */
365 /* control CRT monitor power management */
366 via_set_state(VIA_CRT, VIA_STATE_STANDBY);
367 break;
368 case FB_BLANK_VSYNC_SUSPEND:
369 /* Screen: Off, HSync: On, VSync: Off */
370 /* control CRT monitor power management */
371 via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
372 break;
373 case FB_BLANK_POWERDOWN:
374 /* Screen: Off, HSync: Off, VSync: Off */
375 /* control CRT monitor power management */
376 via_set_state(VIA_CRT, VIA_STATE_OFF);
377 break;
378 }
379
380 return 0;
381 }
382
383 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
384 {
385 union {
386 struct viafb_ioctl_mode viamode;
387 struct viafb_ioctl_samm viasamm;
388 struct viafb_driver_version driver_version;
389 struct fb_var_screeninfo sec_var;
390 struct _panel_size_pos_info panel_pos_size_para;
391 struct viafb_ioctl_setting viafb_setting;
392 struct device_t active_dev;
393 } u;
394 u32 state_info = 0;
395 u32 *viafb_gamma_table;
396 char driver_name[] = "viafb";
397
398 u32 __user *argp = (u32 __user *) arg;
399 u32 gpu32;
400
401 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
402 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
403 memset(&u, 0, sizeof(u));
404
405 switch (cmd) {
406 case VIAFB_GET_CHIP_INFO:
407 if (copy_to_user(argp, viaparinfo->chip_info,
408 sizeof(struct chip_information)))
409 return -EFAULT;
410 break;
411 case VIAFB_GET_INFO_SIZE:
412 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
413 case VIAFB_GET_INFO:
414 return viafb_ioctl_get_viafb_info(arg);
415 case VIAFB_HOTPLUG:
416 return put_user(viafb_ioctl_hotplug(info->var.xres,
417 info->var.yres,
418 info->var.bits_per_pixel), argp);
419 case VIAFB_SET_HOTPLUG_FLAG:
420 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
421 return -EFAULT;
422 viafb_hotplug = (gpu32) ? 1 : 0;
423 break;
424 case VIAFB_GET_RESOLUTION:
425 u.viamode.xres = (u32) viafb_hotplug_Xres;
426 u.viamode.yres = (u32) viafb_hotplug_Yres;
427 u.viamode.refresh = (u32) viafb_hotplug_refresh;
428 u.viamode.bpp = (u32) viafb_hotplug_bpp;
429 if (viafb_SAMM_ON == 1) {
430 u.viamode.xres_sec = viafb_second_xres;
431 u.viamode.yres_sec = viafb_second_yres;
432 u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
433 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
434 u.viamode.refresh_sec = viafb_refresh1;
435 u.viamode.bpp_sec = viafb_bpp1;
436 } else {
437 u.viamode.xres_sec = 0;
438 u.viamode.yres_sec = 0;
439 u.viamode.virtual_xres_sec = 0;
440 u.viamode.virtual_yres_sec = 0;
441 u.viamode.refresh_sec = 0;
442 u.viamode.bpp_sec = 0;
443 }
444 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
445 return -EFAULT;
446 break;
447 case VIAFB_GET_SAMM_INFO:
448 u.viasamm.samm_status = viafb_SAMM_ON;
449
450 if (viafb_SAMM_ON == 1) {
451 if (viafb_dual_fb) {
452 u.viasamm.size_prim = viaparinfo->fbmem_free;
453 u.viasamm.size_sec = viaparinfo1->fbmem_free;
454 } else {
455 if (viafb_second_size) {
456 u.viasamm.size_prim =
457 viaparinfo->fbmem_free -
458 viafb_second_size * 1024 * 1024;
459 u.viasamm.size_sec =
460 viafb_second_size * 1024 * 1024;
461 } else {
462 u.viasamm.size_prim =
463 viaparinfo->fbmem_free >> 1;
464 u.viasamm.size_sec =
465 (viaparinfo->fbmem_free >> 1);
466 }
467 }
468 u.viasamm.mem_base = viaparinfo->fbmem;
469 u.viasamm.offset_sec = viafb_second_offset;
470 } else {
471 u.viasamm.size_prim =
472 viaparinfo->memsize - viaparinfo->fbmem_used;
473 u.viasamm.size_sec = 0;
474 u.viasamm.mem_base = viaparinfo->fbmem;
475 u.viasamm.offset_sec = 0;
476 }
477
478 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
479 return -EFAULT;
480
481 break;
482 case VIAFB_TURN_ON_OUTPUT_DEVICE:
483 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
484 return -EFAULT;
485 if (gpu32 & CRT_Device)
486 via_set_state(VIA_CRT, VIA_STATE_ON);
487 if (gpu32 & DVI_Device)
488 viafb_dvi_enable();
489 if (gpu32 & LCD_Device)
490 viafb_lcd_enable();
491 break;
492 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
493 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
494 return -EFAULT;
495 if (gpu32 & CRT_Device)
496 via_set_state(VIA_CRT, VIA_STATE_OFF);
497 if (gpu32 & DVI_Device)
498 viafb_dvi_disable();
499 if (gpu32 & LCD_Device)
500 viafb_lcd_disable();
501 break;
502 case VIAFB_GET_DEVICE:
503 u.active_dev.crt = viafb_CRT_ON;
504 u.active_dev.dvi = viafb_DVI_ON;
505 u.active_dev.lcd = viafb_LCD_ON;
506 u.active_dev.samm = viafb_SAMM_ON;
507 u.active_dev.primary_dev = viafb_primary_dev;
508
509 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
510 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
511 u.active_dev.lcd_mode = viafb_lcd_mode;
512
513 u.active_dev.xres = viafb_hotplug_Xres;
514 u.active_dev.yres = viafb_hotplug_Yres;
515
516 u.active_dev.xres1 = viafb_second_xres;
517 u.active_dev.yres1 = viafb_second_yres;
518
519 u.active_dev.bpp = viafb_bpp;
520 u.active_dev.bpp1 = viafb_bpp1;
521 u.active_dev.refresh = viafb_refresh;
522 u.active_dev.refresh1 = viafb_refresh1;
523
524 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
525 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
526 u.active_dev.bus_width = viafb_bus_width;
527
528 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
529 return -EFAULT;
530 break;
531
532 case VIAFB_GET_DRIVER_VERSION:
533 u.driver_version.iMajorNum = VERSION_MAJOR;
534 u.driver_version.iKernelNum = VERSION_KERNEL;
535 u.driver_version.iOSNum = VERSION_OS;
536 u.driver_version.iMinorNum = VERSION_MINOR;
537
538 if (copy_to_user(argp, &u.driver_version,
539 sizeof(u.driver_version)))
540 return -EFAULT;
541
542 break;
543
544 case VIAFB_GET_DEVICE_INFO:
545
546 retrieve_device_setting(&u.viafb_setting);
547
548 if (copy_to_user(argp, &u.viafb_setting,
549 sizeof(u.viafb_setting)))
550 return -EFAULT;
551
552 break;
553
554 case VIAFB_GET_DEVICE_SUPPORT:
555 viafb_get_device_support_state(&state_info);
556 if (put_user(state_info, argp))
557 return -EFAULT;
558 break;
559
560 case VIAFB_GET_DEVICE_CONNECT:
561 viafb_get_device_connect_state(&state_info);
562 if (put_user(state_info, argp))
563 return -EFAULT;
564 break;
565
566 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
567 state_info =
568 viafb_lcd_get_support_expand_state(info->var.xres,
569 info->var.yres);
570 if (put_user(state_info, argp))
571 return -EFAULT;
572 break;
573
574 case VIAFB_GET_DRIVER_NAME:
575 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
576 return -EFAULT;
577 break;
578
579 case VIAFB_SET_GAMMA_LUT:
580 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
581 if (IS_ERR(viafb_gamma_table))
582 return PTR_ERR(viafb_gamma_table);
583 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
584 kfree(viafb_gamma_table);
585 break;
586
587 case VIAFB_GET_GAMMA_LUT:
588 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
589 if (!viafb_gamma_table)
590 return -ENOMEM;
591 viafb_get_gamma_table(viafb_gamma_table);
592 if (copy_to_user(argp, viafb_gamma_table,
593 256 * sizeof(u32))) {
594 kfree(viafb_gamma_table);
595 return -EFAULT;
596 }
597 kfree(viafb_gamma_table);
598 break;
599
600 case VIAFB_GET_GAMMA_SUPPORT_STATE:
601 viafb_get_gamma_support_state(viafb_bpp, &state_info);
602 if (put_user(state_info, argp))
603 return -EFAULT;
604 break;
605 case VIAFB_SYNC_SURFACE:
606 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
607 break;
608 case VIAFB_GET_DRIVER_CAPS:
609 break;
610
611 case VIAFB_GET_PANEL_MAX_SIZE:
612 if (copy_from_user(&u.panel_pos_size_para, argp,
613 sizeof(u.panel_pos_size_para)))
614 return -EFAULT;
615 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
616 if (copy_to_user(argp, &u.panel_pos_size_para,
617 sizeof(u.panel_pos_size_para)))
618 return -EFAULT;
619 break;
620 case VIAFB_GET_PANEL_MAX_POSITION:
621 if (copy_from_user(&u.panel_pos_size_para, argp,
622 sizeof(u.panel_pos_size_para)))
623 return -EFAULT;
624 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
625 if (copy_to_user(argp, &u.panel_pos_size_para,
626 sizeof(u.panel_pos_size_para)))
627 return -EFAULT;
628 break;
629
630 case VIAFB_GET_PANEL_POSITION:
631 if (copy_from_user(&u.panel_pos_size_para, argp,
632 sizeof(u.panel_pos_size_para)))
633 return -EFAULT;
634 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
635 if (copy_to_user(argp, &u.panel_pos_size_para,
636 sizeof(u.panel_pos_size_para)))
637 return -EFAULT;
638 break;
639 case VIAFB_GET_PANEL_SIZE:
640 if (copy_from_user(&u.panel_pos_size_para, argp,
641 sizeof(u.panel_pos_size_para)))
642 return -EFAULT;
643 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
644 if (copy_to_user(argp, &u.panel_pos_size_para,
645 sizeof(u.panel_pos_size_para)))
646 return -EFAULT;
647 break;
648
649 case VIAFB_SET_PANEL_POSITION:
650 if (copy_from_user(&u.panel_pos_size_para, argp,
651 sizeof(u.panel_pos_size_para)))
652 return -EFAULT;
653 break;
654 case VIAFB_SET_PANEL_SIZE:
655 if (copy_from_user(&u.panel_pos_size_para, argp,
656 sizeof(u.panel_pos_size_para)))
657 return -EFAULT;
658 break;
659
660 default:
661 return -EINVAL;
662 }
663
664 return 0;
665 }
666
667 static void viafb_fillrect(struct fb_info *info,
668 const struct fb_fillrect *rect)
669 {
670 struct viafb_par *viapar = info->par;
671 struct viafb_shared *shared = viapar->shared;
672 u32 fg_color;
673 u8 rop;
674
675 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
676 cfb_fillrect(info, rect);
677 return;
678 }
679
680 if (!rect->width || !rect->height)
681 return;
682
683 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
684 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
685 else
686 fg_color = rect->color;
687
688 if (rect->rop == ROP_XOR)
689 rop = 0x5A;
690 else
691 rop = 0xF0;
692
693 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
694 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
695 rect->width, rect->height, info->var.bits_per_pixel,
696 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
697 NULL, 0, 0, 0, 0, fg_color, 0, rop))
698 cfb_fillrect(info, rect);
699 }
700
701 static void viafb_copyarea(struct fb_info *info,
702 const struct fb_copyarea *area)
703 {
704 struct viafb_par *viapar = info->par;
705 struct viafb_shared *shared = viapar->shared;
706
707 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
708 cfb_copyarea(info, area);
709 return;
710 }
711
712 if (!area->width || !area->height)
713 return;
714
715 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
716 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
717 area->width, area->height, info->var.bits_per_pixel,
718 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
719 NULL, viapar->vram_addr, info->fix.line_length,
720 area->sx, area->sy, 0, 0, 0))
721 cfb_copyarea(info, area);
722 }
723
724 static void viafb_imageblit(struct fb_info *info,
725 const struct fb_image *image)
726 {
727 struct viafb_par *viapar = info->par;
728 struct viafb_shared *shared = viapar->shared;
729 u32 fg_color = 0, bg_color = 0;
730 u8 op;
731
732 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
733 (image->depth != 1 && image->depth != viapar->depth)) {
734 cfb_imageblit(info, image);
735 return;
736 }
737
738 if (image->depth == 1) {
739 op = VIA_BITBLT_MONO;
740 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
741 fg_color =
742 ((u32 *)info->pseudo_palette)[image->fg_color];
743 bg_color =
744 ((u32 *)info->pseudo_palette)[image->bg_color];
745 } else {
746 fg_color = image->fg_color;
747 bg_color = image->bg_color;
748 }
749 } else
750 op = VIA_BITBLT_COLOR;
751
752 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
753 if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
754 image->width, image->height, info->var.bits_per_pixel,
755 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
756 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
757 cfb_imageblit(info, image);
758 }
759
760 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
761 {
762 struct viafb_par *viapar = info->par;
763 void __iomem *engine = viapar->shared->vdev->engine_mmio;
764 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
765 chip_name = viapar->shared->chip_info.gfx_chip_name;
766 int i, j = 0, cur_size = 64;
767
768 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
769 return -ENODEV;
770
771 /* LCD ouput does not support hw cursors (at least on VN896) */
772 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
773 viafb_LCD_ON)
774 return -ENODEV;
775
776 viafb_show_hw_cursor(info, HW_Cursor_OFF);
777
778 if (cursor->set & FB_CUR_SETHOT) {
779 temp = (cursor->hot.x << 16) + cursor->hot.y;
780 writel(temp, engine + VIA_REG_CURSOR_ORG);
781 }
782
783 if (cursor->set & FB_CUR_SETPOS) {
784 yy = cursor->image.dy - info->var.yoffset;
785 xx = cursor->image.dx - info->var.xoffset;
786 temp = yy & 0xFFFF;
787 temp |= (xx << 16);
788 writel(temp, engine + VIA_REG_CURSOR_POS);
789 }
790
791 if (cursor->image.width <= 32 && cursor->image.height <= 32)
792 cur_size = 32;
793 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
794 cur_size = 64;
795 else {
796 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
797 "%dx%d", cursor->image.width, cursor->image.height);
798 return -ENXIO;
799 }
800
801 if (cursor->set & FB_CUR_SETSIZE) {
802 temp = readl(engine + VIA_REG_CURSOR_MODE);
803 if (cur_size == 32)
804 temp |= 0x2;
805 else
806 temp &= ~0x2;
807
808 writel(temp, engine + VIA_REG_CURSOR_MODE);
809 }
810
811 if (cursor->set & FB_CUR_SETCMAP) {
812 fg_color = cursor->image.fg_color;
813 bg_color = cursor->image.bg_color;
814 if (chip_name == UNICHROME_CX700 ||
815 chip_name == UNICHROME_VX800 ||
816 chip_name == UNICHROME_VX855 ||
817 chip_name == UNICHROME_VX900) {
818 fg_color =
819 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
820 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
821 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
822 bg_color =
823 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
824 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
825 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
826 } else {
827 fg_color =
828 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
829 (info->cmap.green[fg_color] & 0xFF00) |
830 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
831 bg_color =
832 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
833 (info->cmap.green[bg_color] & 0xFF00) |
834 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
835 }
836
837 writel(bg_color, engine + VIA_REG_CURSOR_BG);
838 writel(fg_color, engine + VIA_REG_CURSOR_FG);
839 }
840
841 if (cursor->set & FB_CUR_SETSHAPE) {
842 struct {
843 u8 data[CURSOR_SIZE];
844 u32 bak[CURSOR_SIZE / 4];
845 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
846 int size = ((cursor->image.width + 7) >> 3) *
847 cursor->image.height;
848
849 if (!cr_data)
850 return -ENOMEM;
851
852 if (cur_size == 32) {
853 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
854 cr_data->bak[i] = 0x0;
855 cr_data->bak[i + 1] = 0xFFFFFFFF;
856 i += 1;
857 }
858 } else {
859 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
860 cr_data->bak[i] = 0x0;
861 cr_data->bak[i + 1] = 0x0;
862 cr_data->bak[i + 2] = 0xFFFFFFFF;
863 cr_data->bak[i + 3] = 0xFFFFFFFF;
864 i += 3;
865 }
866 }
867
868 switch (cursor->rop) {
869 case ROP_XOR:
870 for (i = 0; i < size; i++)
871 cr_data->data[i] = cursor->mask[i];
872 break;
873 case ROP_COPY:
874
875 for (i = 0; i < size; i++)
876 cr_data->data[i] = cursor->mask[i];
877 break;
878 default:
879 break;
880 }
881
882 if (cur_size == 32) {
883 for (i = 0; i < size; i++) {
884 cr_data->bak[j] = (u32) cr_data->data[i];
885 cr_data->bak[j + 1] = ~cr_data->bak[j];
886 j += 2;
887 }
888 } else {
889 for (i = 0; i < size; i++) {
890 cr_data->bak[j] = (u32) cr_data->data[i];
891 cr_data->bak[j + 1] = 0x0;
892 cr_data->bak[j + 2] = ~cr_data->bak[j];
893 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
894 j += 4;
895 }
896 }
897
898 memcpy_toio(viafbinfo->screen_base + viapar->shared->
899 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
900 kfree(cr_data);
901 }
902
903 if (cursor->enable)
904 viafb_show_hw_cursor(info, HW_Cursor_ON);
905
906 return 0;
907 }
908
909 static int viafb_sync(struct fb_info *info)
910 {
911 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
912 viafb_wait_engine_idle(info);
913 return 0;
914 }
915
916 static int get_primary_device(void)
917 {
918 int primary_device = 0;
919 /* Rule: device on iga1 path are the primary device. */
920 if (viafb_SAMM_ON) {
921 if (viafb_CRT_ON) {
922 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
923 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
924 viaparinfo->
925 crt_setting_info->iga_path);
926 primary_device = CRT_Device;
927 }
928 }
929 if (viafb_DVI_ON) {
930 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
931 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
932 viaparinfo->
933 tmds_setting_info->iga_path);
934 primary_device = DVI_Device;
935 }
936 }
937 if (viafb_LCD_ON) {
938 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
939 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
940 viaparinfo->
941 lvds_setting_info->iga_path);
942 primary_device = LCD_Device;
943 }
944 }
945 if (viafb_LCD2_ON) {
946 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
947 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
948 viaparinfo->
949 lvds_setting_info2->iga_path);
950 primary_device = LCD2_Device;
951 }
952 }
953 }
954 return primary_device;
955 }
956
957 static void retrieve_device_setting(struct viafb_ioctl_setting
958 *setting_info)
959 {
960
961 /* get device status */
962 if (viafb_CRT_ON == 1)
963 setting_info->device_status = CRT_Device;
964 if (viafb_DVI_ON == 1)
965 setting_info->device_status |= DVI_Device;
966 if (viafb_LCD_ON == 1)
967 setting_info->device_status |= LCD_Device;
968 if (viafb_LCD2_ON == 1)
969 setting_info->device_status |= LCD2_Device;
970
971 setting_info->samm_status = viafb_SAMM_ON;
972 setting_info->primary_device = get_primary_device();
973
974 setting_info->first_dev_bpp = viafb_bpp;
975 setting_info->second_dev_bpp = viafb_bpp1;
976
977 setting_info->first_dev_refresh = viafb_refresh;
978 setting_info->second_dev_refresh = viafb_refresh1;
979
980 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
981 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
982 setting_info->second_dev_hor_res = viafb_second_xres;
983 setting_info->second_dev_ver_res = viafb_second_yres;
984
985 /* Get lcd attributes */
986 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
987 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
988 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
989 }
990
991 static int __init parse_active_dev(void)
992 {
993 viafb_CRT_ON = STATE_OFF;
994 viafb_DVI_ON = STATE_OFF;
995 viafb_LCD_ON = STATE_OFF;
996 viafb_LCD2_ON = STATE_OFF;
997 /* 1. Modify the active status of devices. */
998 /* 2. Keep the order of devices, so we can set corresponding
999 IGA path to devices in SAMM case. */
1000 /* Note: The previous of active_dev is primary device,
1001 and the following is secondary device. */
1002 if (!viafb_active_dev) {
1003 viafb_CRT_ON = STATE_ON;
1004 viafb_SAMM_ON = STATE_OFF;
1005 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1006 /* CRT+DVI */
1007 viafb_CRT_ON = STATE_ON;
1008 viafb_DVI_ON = STATE_ON;
1009 viafb_primary_dev = CRT_Device;
1010 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1011 /* DVI+CRT */
1012 viafb_CRT_ON = STATE_ON;
1013 viafb_DVI_ON = STATE_ON;
1014 viafb_primary_dev = DVI_Device;
1015 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1016 /* CRT+LCD */
1017 viafb_CRT_ON = STATE_ON;
1018 viafb_LCD_ON = STATE_ON;
1019 viafb_primary_dev = CRT_Device;
1020 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1021 /* LCD+CRT */
1022 viafb_CRT_ON = STATE_ON;
1023 viafb_LCD_ON = STATE_ON;
1024 viafb_primary_dev = LCD_Device;
1025 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1026 /* DVI+LCD */
1027 viafb_DVI_ON = STATE_ON;
1028 viafb_LCD_ON = STATE_ON;
1029 viafb_primary_dev = DVI_Device;
1030 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1031 /* LCD+DVI */
1032 viafb_DVI_ON = STATE_ON;
1033 viafb_LCD_ON = STATE_ON;
1034 viafb_primary_dev = LCD_Device;
1035 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1036 viafb_LCD_ON = STATE_ON;
1037 viafb_LCD2_ON = STATE_ON;
1038 viafb_primary_dev = LCD_Device;
1039 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1040 viafb_LCD_ON = STATE_ON;
1041 viafb_LCD2_ON = STATE_ON;
1042 viafb_primary_dev = LCD2_Device;
1043 } else if (!strcmp(viafb_active_dev, "CRT")) {
1044 /* CRT only */
1045 viafb_CRT_ON = STATE_ON;
1046 viafb_SAMM_ON = STATE_OFF;
1047 } else if (!strcmp(viafb_active_dev, "DVI")) {
1048 /* DVI only */
1049 viafb_DVI_ON = STATE_ON;
1050 viafb_SAMM_ON = STATE_OFF;
1051 } else if (!strcmp(viafb_active_dev, "LCD")) {
1052 /* LCD only */
1053 viafb_LCD_ON = STATE_ON;
1054 viafb_SAMM_ON = STATE_OFF;
1055 } else
1056 return -EINVAL;
1057
1058 return 0;
1059 }
1060
1061 static int __devinit parse_port(char *opt_str, int *output_interface)
1062 {
1063 if (!strncmp(opt_str, "DVP0", 4))
1064 *output_interface = INTERFACE_DVP0;
1065 else if (!strncmp(opt_str, "DVP1", 4))
1066 *output_interface = INTERFACE_DVP1;
1067 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1068 *output_interface = INTERFACE_DFP;
1069 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1070 *output_interface = INTERFACE_DFP_HIGH;
1071 else if (!strncmp(opt_str, "DFP_LOW", 7))
1072 *output_interface = INTERFACE_DFP_LOW;
1073 else
1074 *output_interface = INTERFACE_NONE;
1075 return 0;
1076 }
1077
1078 static void __devinit parse_lcd_port(void)
1079 {
1080 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1081 output_interface);
1082 /*Initialize to avoid unexpected behavior */
1083 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1084 INTERFACE_NONE;
1085
1086 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1087 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1088 output_interface);
1089 }
1090
1091 static void __devinit parse_dvi_port(void)
1092 {
1093 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1094 output_interface);
1095
1096 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1097 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1098 output_interface);
1099 }
1100
1101 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1102
1103 /*
1104 * The proc filesystem read/write function, a simple proc implement to
1105 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1106 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1107 * CR9B, SR65, CR97, CR99
1108 */
1109 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1110 {
1111 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1112 dvp0_data_dri =
1113 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1114 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1115 dvp0_clk_dri =
1116 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1117 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1118 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1119 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1120 return 0;
1121 }
1122
1123 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1124 {
1125 return single_open(file, viafb_dvp0_proc_show, NULL);
1126 }
1127
1128 static ssize_t viafb_dvp0_proc_write(struct file *file,
1129 const char __user *buffer, size_t count, loff_t *pos)
1130 {
1131 char buf[20], *value, *pbuf;
1132 u8 reg_val = 0;
1133 unsigned long length, i;
1134 if (count < 1)
1135 return -EINVAL;
1136 length = count > 20 ? 20 : count;
1137 if (copy_from_user(&buf[0], buffer, length))
1138 return -EFAULT;
1139 buf[length - 1] = '\0'; /*Ensure end string */
1140 pbuf = &buf[0];
1141 for (i = 0; i < 3; i++) {
1142 value = strsep(&pbuf, " ");
1143 if (value != NULL) {
1144 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1145 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1146 reg_val);
1147 switch (i) {
1148 case 0:
1149 viafb_write_reg_mask(CR96, VIACR,
1150 reg_val, 0x0f);
1151 break;
1152 case 1:
1153 viafb_write_reg_mask(SR2A, VIASR,
1154 reg_val << 4, BIT5);
1155 viafb_write_reg_mask(SR1B, VIASR,
1156 reg_val << 1, BIT1);
1157 break;
1158 case 2:
1159 viafb_write_reg_mask(SR2A, VIASR,
1160 reg_val << 3, BIT4);
1161 viafb_write_reg_mask(SR1E, VIASR,
1162 reg_val << 2, BIT2);
1163 break;
1164 default:
1165 break;
1166 }
1167 } else {
1168 break;
1169 }
1170 }
1171 return count;
1172 }
1173
1174 static const struct file_operations viafb_dvp0_proc_fops = {
1175 .owner = THIS_MODULE,
1176 .open = viafb_dvp0_proc_open,
1177 .read = seq_read,
1178 .llseek = seq_lseek,
1179 .release = single_release,
1180 .write = viafb_dvp0_proc_write,
1181 };
1182
1183 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1184 {
1185 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1186 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1187 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1188 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1189 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1190 return 0;
1191 }
1192
1193 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1194 {
1195 return single_open(file, viafb_dvp1_proc_show, NULL);
1196 }
1197
1198 static ssize_t viafb_dvp1_proc_write(struct file *file,
1199 const char __user *buffer, size_t count, loff_t *pos)
1200 {
1201 char buf[20], *value, *pbuf;
1202 u8 reg_val = 0;
1203 unsigned long length, i;
1204 if (count < 1)
1205 return -EINVAL;
1206 length = count > 20 ? 20 : count;
1207 if (copy_from_user(&buf[0], buffer, length))
1208 return -EFAULT;
1209 buf[length - 1] = '\0'; /*Ensure end string */
1210 pbuf = &buf[0];
1211 for (i = 0; i < 3; i++) {
1212 value = strsep(&pbuf, " ");
1213 if (value != NULL) {
1214 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1215 switch (i) {
1216 case 0:
1217 viafb_write_reg_mask(CR9B, VIACR,
1218 reg_val, 0x0f);
1219 break;
1220 case 1:
1221 viafb_write_reg_mask(SR65, VIASR,
1222 reg_val << 2, 0x0c);
1223 break;
1224 case 2:
1225 viafb_write_reg_mask(SR65, VIASR,
1226 reg_val, 0x03);
1227 break;
1228 default:
1229 break;
1230 }
1231 } else {
1232 break;
1233 }
1234 }
1235 return count;
1236 }
1237
1238 static const struct file_operations viafb_dvp1_proc_fops = {
1239 .owner = THIS_MODULE,
1240 .open = viafb_dvp1_proc_open,
1241 .read = seq_read,
1242 .llseek = seq_lseek,
1243 .release = single_release,
1244 .write = viafb_dvp1_proc_write,
1245 };
1246
1247 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1248 {
1249 u8 dfp_high = 0;
1250 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1251 seq_printf(m, "%x\n", dfp_high);
1252 return 0;
1253 }
1254
1255 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1256 {
1257 return single_open(file, viafb_dfph_proc_show, NULL);
1258 }
1259
1260 static ssize_t viafb_dfph_proc_write(struct file *file,
1261 const char __user *buffer, size_t count, loff_t *pos)
1262 {
1263 char buf[20];
1264 u8 reg_val = 0;
1265 unsigned long length;
1266 if (count < 1)
1267 return -EINVAL;
1268 length = count > 20 ? 20 : count;
1269 if (copy_from_user(&buf[0], buffer, length))
1270 return -EFAULT;
1271 buf[length - 1] = '\0'; /*Ensure end string */
1272 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1273 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1274 return count;
1275 }
1276
1277 static const struct file_operations viafb_dfph_proc_fops = {
1278 .owner = THIS_MODULE,
1279 .open = viafb_dfph_proc_open,
1280 .read = seq_read,
1281 .llseek = seq_lseek,
1282 .release = single_release,
1283 .write = viafb_dfph_proc_write,
1284 };
1285
1286 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1287 {
1288 u8 dfp_low = 0;
1289 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1290 seq_printf(m, "%x\n", dfp_low);
1291 return 0;
1292 }
1293
1294 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1295 {
1296 return single_open(file, viafb_dfpl_proc_show, NULL);
1297 }
1298
1299 static ssize_t viafb_dfpl_proc_write(struct file *file,
1300 const char __user *buffer, size_t count, loff_t *pos)
1301 {
1302 char buf[20];
1303 u8 reg_val = 0;
1304 unsigned long length;
1305 if (count < 1)
1306 return -EINVAL;
1307 length = count > 20 ? 20 : count;
1308 if (copy_from_user(&buf[0], buffer, length))
1309 return -EFAULT;
1310 buf[length - 1] = '\0'; /*Ensure end string */
1311 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1312 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1313 return count;
1314 }
1315
1316 static const struct file_operations viafb_dfpl_proc_fops = {
1317 .owner = THIS_MODULE,
1318 .open = viafb_dfpl_proc_open,
1319 .read = seq_read,
1320 .llseek = seq_lseek,
1321 .release = single_release,
1322 .write = viafb_dfpl_proc_write,
1323 };
1324
1325 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1326 {
1327 u8 vt1636_08 = 0, vt1636_09 = 0;
1328 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1329 case VT1636_LVDS:
1330 vt1636_08 =
1331 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1332 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1333 vt1636_09 =
1334 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1335 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1336 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1337 break;
1338 default:
1339 break;
1340 }
1341 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1342 case VT1636_LVDS:
1343 vt1636_08 =
1344 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1345 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1346 vt1636_09 =
1347 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1348 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1349 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1350 break;
1351 default:
1352 break;
1353 }
1354 return 0;
1355 }
1356
1357 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1358 {
1359 return single_open(file, viafb_vt1636_proc_show, NULL);
1360 }
1361
1362 static ssize_t viafb_vt1636_proc_write(struct file *file,
1363 const char __user *buffer, size_t count, loff_t *pos)
1364 {
1365 char buf[30], *value, *pbuf;
1366 struct IODATA reg_val;
1367 unsigned long length, i;
1368 if (count < 1)
1369 return -EINVAL;
1370 length = count > 30 ? 30 : count;
1371 if (copy_from_user(&buf[0], buffer, length))
1372 return -EFAULT;
1373 buf[length - 1] = '\0'; /*Ensure end string */
1374 pbuf = &buf[0];
1375 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1376 case VT1636_LVDS:
1377 for (i = 0; i < 2; i++) {
1378 value = strsep(&pbuf, " ");
1379 if (value != NULL) {
1380 strict_strtoul(value, 0,
1381 (unsigned long *)&reg_val.Data);
1382 switch (i) {
1383 case 0:
1384 reg_val.Index = 0x08;
1385 reg_val.Mask = 0x0f;
1386 viafb_gpio_i2c_write_mask_lvds
1387 (viaparinfo->lvds_setting_info,
1388 &viaparinfo->
1389 chip_info->lvds_chip_info,
1390 reg_val);
1391 break;
1392 case 1:
1393 reg_val.Index = 0x09;
1394 reg_val.Mask = 0x1f;
1395 viafb_gpio_i2c_write_mask_lvds
1396 (viaparinfo->lvds_setting_info,
1397 &viaparinfo->
1398 chip_info->lvds_chip_info,
1399 reg_val);
1400 break;
1401 default:
1402 break;
1403 }
1404 } else {
1405 break;
1406 }
1407 }
1408 break;
1409 default:
1410 break;
1411 }
1412 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1413 case VT1636_LVDS:
1414 for (i = 0; i < 2; i++) {
1415 value = strsep(&pbuf, " ");
1416 if (value != NULL) {
1417 strict_strtoul(value, 0,
1418 (unsigned long *)&reg_val.Data);
1419 switch (i) {
1420 case 0:
1421 reg_val.Index = 0x08;
1422 reg_val.Mask = 0x0f;
1423 viafb_gpio_i2c_write_mask_lvds
1424 (viaparinfo->lvds_setting_info2,
1425 &viaparinfo->
1426 chip_info->lvds_chip_info2,
1427 reg_val);
1428 break;
1429 case 1:
1430 reg_val.Index = 0x09;
1431 reg_val.Mask = 0x1f;
1432 viafb_gpio_i2c_write_mask_lvds
1433 (viaparinfo->lvds_setting_info2,
1434 &viaparinfo->
1435 chip_info->lvds_chip_info2,
1436 reg_val);
1437 break;
1438 default:
1439 break;
1440 }
1441 } else {
1442 break;
1443 }
1444 }
1445 break;
1446 default:
1447 break;
1448 }
1449 return count;
1450 }
1451
1452 static const struct file_operations viafb_vt1636_proc_fops = {
1453 .owner = THIS_MODULE,
1454 .open = viafb_vt1636_proc_open,
1455 .read = seq_read,
1456 .llseek = seq_lseek,
1457 .release = single_release,
1458 .write = viafb_vt1636_proc_write,
1459 };
1460
1461 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1462
1463 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1464 {
1465 via_odev_to_seq(m, supported_odev_map[
1466 viaparinfo->shared->chip_info.gfx_chip_name]);
1467 return 0;
1468 }
1469
1470 static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
1471 {
1472 return single_open(file, viafb_sup_odev_proc_show, NULL);
1473 }
1474
1475 static const struct file_operations viafb_sup_odev_proc_fops = {
1476 .owner = THIS_MODULE,
1477 .open = viafb_sup_odev_proc_open,
1478 .read = seq_read,
1479 .llseek = seq_lseek,
1480 .release = single_release,
1481 };
1482
1483 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1484 {
1485 char buf[64], *ptr = buf;
1486 u32 devices;
1487 bool add, sub;
1488
1489 if (count < 1 || count > 63)
1490 return -EINVAL;
1491 if (copy_from_user(&buf[0], buffer, count))
1492 return -EFAULT;
1493 buf[count] = '\0';
1494 add = buf[0] == '+';
1495 sub = buf[0] == '-';
1496 if (add || sub)
1497 ptr++;
1498 devices = via_parse_odev(ptr, &ptr);
1499 if (*ptr == '\n')
1500 ptr++;
1501 if (*ptr != 0)
1502 return -EINVAL;
1503 if (add)
1504 *odev |= devices;
1505 else if (sub)
1506 *odev &= ~devices;
1507 else
1508 *odev = devices;
1509 return count;
1510 }
1511
1512 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1513 {
1514 via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1515 return 0;
1516 }
1517
1518 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1519 {
1520 return single_open(file, viafb_iga1_odev_proc_show, NULL);
1521 }
1522
1523 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1524 const char __user *buffer, size_t count, loff_t *pos)
1525 {
1526 u32 dev_on, dev_off, dev_old, dev_new;
1527 ssize_t res;
1528
1529 dev_old = dev_new = viaparinfo->shared->iga1_devices;
1530 res = odev_update(buffer, count, &dev_new);
1531 if (res != count)
1532 return res;
1533 dev_off = dev_old & ~dev_new;
1534 dev_on = dev_new & ~dev_old;
1535 viaparinfo->shared->iga1_devices = dev_new;
1536 viaparinfo->shared->iga2_devices &= ~dev_new;
1537 via_set_state(dev_off, VIA_STATE_OFF);
1538 via_set_source(dev_new, IGA1);
1539 via_set_state(dev_on, VIA_STATE_ON);
1540 return res;
1541 }
1542
1543 static const struct file_operations viafb_iga1_odev_proc_fops = {
1544 .owner = THIS_MODULE,
1545 .open = viafb_iga1_odev_proc_open,
1546 .read = seq_read,
1547 .llseek = seq_lseek,
1548 .release = single_release,
1549 .write = viafb_iga1_odev_proc_write,
1550 };
1551
1552 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1553 {
1554 via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1555 return 0;
1556 }
1557
1558 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1559 {
1560 return single_open(file, viafb_iga2_odev_proc_show, NULL);
1561 }
1562
1563 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1564 const char __user *buffer, size_t count, loff_t *pos)
1565 {
1566 u32 dev_on, dev_off, dev_old, dev_new;
1567 ssize_t res;
1568
1569 dev_old = dev_new = viaparinfo->shared->iga2_devices;
1570 res = odev_update(buffer, count, &dev_new);
1571 if (res != count)
1572 return res;
1573 dev_off = dev_old & ~dev_new;
1574 dev_on = dev_new & ~dev_old;
1575 viaparinfo->shared->iga2_devices = dev_new;
1576 viaparinfo->shared->iga1_devices &= ~dev_new;
1577 via_set_state(dev_off, VIA_STATE_OFF);
1578 via_set_source(dev_new, IGA2);
1579 via_set_state(dev_on, VIA_STATE_ON);
1580 return res;
1581 }
1582
1583 static const struct file_operations viafb_iga2_odev_proc_fops = {
1584 .owner = THIS_MODULE,
1585 .open = viafb_iga2_odev_proc_open,
1586 .read = seq_read,
1587 .llseek = seq_lseek,
1588 .release = single_release,
1589 .write = viafb_iga2_odev_proc_write,
1590 };
1591
1592 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1593 static void viafb_init_proc(struct viafb_shared *shared)
1594 {
1595 struct proc_dir_entry *iga1_entry, *iga2_entry,
1596 *viafb_entry = proc_mkdir("viafb", NULL);
1597
1598 shared->proc_entry = viafb_entry;
1599 if (viafb_entry) {
1600 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1601 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
1602 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
1603 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
1604 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
1605 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1606 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1607 proc_create("vt1636", 0, viafb_entry,
1608 &viafb_vt1636_proc_fops);
1609 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1610
1611 proc_create("supported_output_devices", 0, viafb_entry,
1612 &viafb_sup_odev_proc_fops);
1613 iga1_entry = proc_mkdir("iga1", viafb_entry);
1614 shared->iga1_proc_entry = iga1_entry;
1615 proc_create("output_devices", 0, iga1_entry,
1616 &viafb_iga1_odev_proc_fops);
1617 iga2_entry = proc_mkdir("iga2", viafb_entry);
1618 shared->iga2_proc_entry = iga2_entry;
1619 proc_create("output_devices", 0, iga2_entry,
1620 &viafb_iga2_odev_proc_fops);
1621 }
1622 }
1623 static void viafb_remove_proc(struct viafb_shared *shared)
1624 {
1625 struct proc_dir_entry *viafb_entry = shared->proc_entry,
1626 *iga1_entry = shared->iga1_proc_entry,
1627 *iga2_entry = shared->iga2_proc_entry;
1628
1629 if (!viafb_entry)
1630 return;
1631
1632 remove_proc_entry("output_devices", iga2_entry);
1633 remove_proc_entry("iga2", viafb_entry);
1634 remove_proc_entry("output_devices", iga1_entry);
1635 remove_proc_entry("iga1", viafb_entry);
1636 remove_proc_entry("supported_output_devices", viafb_entry);
1637
1638 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1639 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1640 remove_proc_entry("dvp1", viafb_entry);
1641 remove_proc_entry("dfph", viafb_entry);
1642 remove_proc_entry("dfpl", viafb_entry);
1643 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1644 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1645 remove_proc_entry("vt1636", viafb_entry);
1646 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1647
1648 remove_proc_entry("viafb", NULL);
1649 }
1650 #undef IS_VT1636
1651
1652 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1653 {
1654 char *ptr;
1655
1656 if (!str) {
1657 *xres = 640;
1658 *yres = 480;
1659 return 0;
1660 }
1661
1662 *xres = simple_strtoul(str, &ptr, 10);
1663 if (ptr[0] != 'x')
1664 return -EINVAL;
1665
1666 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1667 if (ptr[0])
1668 return -EINVAL;
1669
1670 return 0;
1671 }
1672
1673
1674 #ifdef CONFIG_PM
1675 static int viafb_suspend(void *unused)
1676 {
1677 console_lock();
1678 fb_set_suspend(viafbinfo, 1);
1679 viafb_sync(viafbinfo);
1680 console_unlock();
1681
1682 return 0;
1683 }
1684
1685 static int viafb_resume(void *unused)
1686 {
1687 console_lock();
1688 if (viaparinfo->shared->vdev->engine_mmio)
1689 viafb_reset_engine(viaparinfo);
1690 viafb_set_par(viafbinfo);
1691 if (viafb_dual_fb)
1692 viafb_set_par(viafbinfo1);
1693 fb_set_suspend(viafbinfo, 0);
1694
1695 console_unlock();
1696 return 0;
1697 }
1698
1699 static struct viafb_pm_hooks viafb_fb_pm_hooks = {
1700 .suspend = viafb_suspend,
1701 .resume = viafb_resume
1702 };
1703
1704 #endif
1705
1706
1707 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1708 {
1709 u32 default_xres, default_yres;
1710 struct VideoModeTable *vmode_entry;
1711 struct fb_var_screeninfo default_var;
1712 int rc;
1713 u32 viafb_par_length;
1714
1715 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1716 memset(&default_var, 0, sizeof(default_var));
1717 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1718
1719 /* Allocate fb_info and ***_par here, also including some other needed
1720 * variables
1721 */
1722 viafbinfo = framebuffer_alloc(viafb_par_length +
1723 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1724 &vdev->pdev->dev);
1725 if (!viafbinfo) {
1726 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1727 return -ENOMEM;
1728 }
1729
1730 viaparinfo = (struct viafb_par *)viafbinfo->par;
1731 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1732 viaparinfo->shared->vdev = vdev;
1733 viaparinfo->vram_addr = 0;
1734 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1735 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1736 viaparinfo->lvds_setting_info2 =
1737 &viaparinfo->shared->lvds_setting_info2;
1738 viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1739 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1740
1741 if (viafb_dual_fb)
1742 viafb_SAMM_ON = 1;
1743 parse_lcd_port();
1744 parse_dvi_port();
1745
1746 viafb_init_chip_info(vdev->chip_type);
1747 /*
1748 * The framebuffer will have been successfully mapped by
1749 * the core (or we'd not be here), but we still need to
1750 * set up our own accounting.
1751 */
1752 viaparinfo->fbmem = vdev->fbmem_start;
1753 viaparinfo->memsize = vdev->fbmem_len;
1754 viaparinfo->fbmem_free = viaparinfo->memsize;
1755 viaparinfo->fbmem_used = 0;
1756 viafbinfo->screen_base = vdev->fbmem;
1757
1758 viafbinfo->fix.mmio_start = vdev->engine_start;
1759 viafbinfo->fix.mmio_len = vdev->engine_len;
1760 viafbinfo->node = 0;
1761 viafbinfo->fbops = &viafb_ops;
1762 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1763
1764 viafbinfo->pseudo_palette = pseudo_pal;
1765 if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
1766 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1767 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1768 default_var.accel_flags = FB_ACCELF_TEXT;
1769 } else {
1770 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1771 default_var.accel_flags = 0;
1772 }
1773
1774 if (viafb_second_size && (viafb_second_size < 8)) {
1775 viafb_second_offset = viaparinfo->fbmem_free -
1776 viafb_second_size * 1024 * 1024;
1777 } else {
1778 viafb_second_size = 8;
1779 viafb_second_offset = viaparinfo->fbmem_free -
1780 viafb_second_size * 1024 * 1024;
1781 }
1782
1783 parse_mode(viafb_mode, &default_xres, &default_yres);
1784 vmode_entry = viafb_get_mode(default_xres, default_yres);
1785 if (viafb_SAMM_ON == 1) {
1786 parse_mode(viafb_mode1, &viafb_second_xres,
1787 &viafb_second_yres);
1788
1789 viafb_second_virtual_xres = viafb_second_xres;
1790 viafb_second_virtual_yres = viafb_second_yres;
1791 }
1792
1793 default_var.xres = default_xres;
1794 default_var.yres = default_yres;
1795 default_var.xres_virtual = default_xres;
1796 default_var.yres_virtual = default_yres;
1797 default_var.bits_per_pixel = viafb_bpp;
1798 default_var.pixclock =
1799 viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1800 default_var.left_margin = (default_xres >> 3) & 0xf8;
1801 default_var.right_margin = 32;
1802 default_var.upper_margin = 16;
1803 default_var.lower_margin = 4;
1804 default_var.hsync_len = default_var.left_margin;
1805 default_var.vsync_len = 4;
1806 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1807 viafbinfo->var = default_var;
1808
1809 if (viafb_dual_fb) {
1810 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1811 &vdev->pdev->dev);
1812 if (!viafbinfo1) {
1813 printk(KERN_ERR
1814 "allocate the second framebuffer struct error\n");
1815 rc = -ENOMEM;
1816 goto out_fb_release;
1817 }
1818 viaparinfo1 = viafbinfo1->par;
1819 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1820 viaparinfo1->vram_addr = viafb_second_offset;
1821 viaparinfo1->memsize = viaparinfo->memsize -
1822 viafb_second_offset;
1823 viaparinfo->memsize = viafb_second_offset;
1824 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1825
1826 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1827 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1828 viaparinfo1->fbmem_used;
1829 viaparinfo->fbmem_free = viaparinfo->memsize;
1830 viaparinfo->fbmem_used = 0;
1831
1832 viaparinfo->iga_path = IGA1;
1833 viaparinfo1->iga_path = IGA2;
1834 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1835 viafbinfo1->par = viaparinfo1;
1836 viafbinfo1->screen_base = viafbinfo->screen_base +
1837 viafb_second_offset;
1838
1839 default_var.xres = viafb_second_xres;
1840 default_var.yres = viafb_second_yres;
1841 default_var.xres_virtual = viafb_second_virtual_xres;
1842 default_var.yres_virtual = viafb_second_virtual_yres;
1843 default_var.bits_per_pixel = viafb_bpp1;
1844 default_var.pixclock =
1845 viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1846 viafb_refresh);
1847 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1848 default_var.right_margin = 32;
1849 default_var.upper_margin = 16;
1850 default_var.lower_margin = 4;
1851 default_var.hsync_len = default_var.left_margin;
1852 default_var.vsync_len = 4;
1853
1854 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1855 viafb_check_var(&default_var, viafbinfo1);
1856 viafbinfo1->var = default_var;
1857 viafb_update_fix(viafbinfo1);
1858 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1859 &viafbinfo1->fix);
1860 }
1861
1862 viafb_check_var(&viafbinfo->var, viafbinfo);
1863 viafb_update_fix(viafbinfo);
1864 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1865 &viafbinfo->fix);
1866 default_var.activate = FB_ACTIVATE_NOW;
1867 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1868 if (rc)
1869 goto out_fb1_release;
1870
1871 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1872 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1873 rc = register_framebuffer(viafbinfo1);
1874 if (rc)
1875 goto out_dealloc_cmap;
1876 }
1877 rc = register_framebuffer(viafbinfo);
1878 if (rc)
1879 goto out_fb1_unreg_lcd_cle266;
1880
1881 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1882 || (viaparinfo->chip_info->gfx_chip_name !=
1883 UNICHROME_CLE266))) {
1884 rc = register_framebuffer(viafbinfo1);
1885 if (rc)
1886 goto out_fb_unreg;
1887 }
1888 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1889 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1890 default_var.yres, default_var.bits_per_pixel);
1891
1892 viafb_init_proc(viaparinfo->shared);
1893 viafb_init_dac(IGA2);
1894
1895 #ifdef CONFIG_PM
1896 viafb_pm_register(&viafb_fb_pm_hooks);
1897 #endif
1898 return 0;
1899
1900 out_fb_unreg:
1901 unregister_framebuffer(viafbinfo);
1902 out_fb1_unreg_lcd_cle266:
1903 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1904 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1905 unregister_framebuffer(viafbinfo1);
1906 out_dealloc_cmap:
1907 fb_dealloc_cmap(&viafbinfo->cmap);
1908 out_fb1_release:
1909 if (viafbinfo1)
1910 framebuffer_release(viafbinfo1);
1911 out_fb_release:
1912 framebuffer_release(viafbinfo);
1913 return rc;
1914 }
1915
1916 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1917 {
1918 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1919 fb_dealloc_cmap(&viafbinfo->cmap);
1920 unregister_framebuffer(viafbinfo);
1921 if (viafb_dual_fb)
1922 unregister_framebuffer(viafbinfo1);
1923 viafb_remove_proc(viaparinfo->shared);
1924 framebuffer_release(viafbinfo);
1925 if (viafb_dual_fb)
1926 framebuffer_release(viafbinfo1);
1927 }
1928
1929 #ifndef MODULE
1930 static int __init viafb_setup(char *options)
1931 {
1932 char *this_opt;
1933 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1934
1935 if (!options || !*options)
1936 return 0;
1937
1938 while ((this_opt = strsep(&options, ",")) != NULL) {
1939 if (!*this_opt)
1940 continue;
1941
1942 if (!strncmp(this_opt, "viafb_mode1=", 12))
1943 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1944 else if (!strncmp(this_opt, "viafb_mode=", 11))
1945 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1946 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1947 strict_strtoul(this_opt + 11, 0,
1948 (unsigned long *)&viafb_bpp1);
1949 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1950 strict_strtoul(this_opt + 10, 0,
1951 (unsigned long *)&viafb_bpp);
1952 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1953 strict_strtoul(this_opt + 15, 0,
1954 (unsigned long *)&viafb_refresh1);
1955 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1956 strict_strtoul(this_opt + 14, 0,
1957 (unsigned long *)&viafb_refresh);
1958 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1959 strict_strtoul(this_opt + 21, 0,
1960 (unsigned long *)&viafb_lcd_dsp_method);
1961 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1962 strict_strtoul(this_opt + 19, 0,
1963 (unsigned long *)&viafb_lcd_panel_id);
1964 else if (!strncmp(this_opt, "viafb_accel=", 12))
1965 strict_strtoul(this_opt + 12, 0,
1966 (unsigned long *)&viafb_accel);
1967 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1968 strict_strtoul(this_opt + 14, 0,
1969 (unsigned long *)&viafb_SAMM_ON);
1970 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
1971 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1972 else if (!strncmp(this_opt,
1973 "viafb_display_hardware_layout=", 30))
1974 strict_strtoul(this_opt + 30, 0,
1975 (unsigned long *)&viafb_display_hardware_layout);
1976 else if (!strncmp(this_opt, "viafb_second_size=", 18))
1977 strict_strtoul(this_opt + 18, 0,
1978 (unsigned long *)&viafb_second_size);
1979 else if (!strncmp(this_opt,
1980 "viafb_platform_epia_dvi=", 24))
1981 strict_strtoul(this_opt + 24, 0,
1982 (unsigned long *)&viafb_platform_epia_dvi);
1983 else if (!strncmp(this_opt,
1984 "viafb_device_lcd_dualedge=", 26))
1985 strict_strtoul(this_opt + 26, 0,
1986 (unsigned long *)&viafb_device_lcd_dualedge);
1987 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
1988 strict_strtoul(this_opt + 16, 0,
1989 (unsigned long *)&viafb_bus_width);
1990 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
1991 strict_strtoul(this_opt + 15, 0,
1992 (unsigned long *)&viafb_lcd_mode);
1993 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
1994 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
1995 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
1996 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
1997 }
1998 return 0;
1999 }
2000 #endif
2001
2002 /*
2003 * These are called out of via-core for now.
2004 */
2005 int __init viafb_init(void)
2006 {
2007 u32 dummy;
2008 #ifndef MODULE
2009 char *option = NULL;
2010 if (fb_get_options("viafb", &option))
2011 return -ENODEV;
2012 viafb_setup(option);
2013 #endif
2014 if (parse_mode(viafb_mode, &dummy, &dummy)
2015 || parse_mode(viafb_mode1, &dummy, &dummy)
2016 || viafb_bpp < 0 || viafb_bpp > 32
2017 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2018 || parse_active_dev())
2019 return -EINVAL;
2020
2021 printk(KERN_INFO
2022 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n",
2023 VERSION_MAJOR, VERSION_MINOR);
2024 return 0;
2025 }
2026
2027 void __exit viafb_exit(void)
2028 {
2029 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2030 }
2031
2032 static struct fb_ops viafb_ops = {
2033 .owner = THIS_MODULE,
2034 .fb_open = viafb_open,
2035 .fb_release = viafb_release,
2036 .fb_check_var = viafb_check_var,
2037 .fb_set_par = viafb_set_par,
2038 .fb_setcolreg = viafb_setcolreg,
2039 .fb_pan_display = viafb_pan_display,
2040 .fb_blank = viafb_blank,
2041 .fb_fillrect = viafb_fillrect,
2042 .fb_copyarea = viafb_copyarea,
2043 .fb_imageblit = viafb_imageblit,
2044 .fb_cursor = viafb_cursor,
2045 .fb_ioctl = viafb_ioctl,
2046 .fb_sync = viafb_sync,
2047 };
2048
2049
2050 #ifdef MODULE
2051 module_param(viafb_mode, charp, S_IRUSR);
2052 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2053
2054 module_param(viafb_mode1, charp, S_IRUSR);
2055 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2056
2057 module_param(viafb_bpp, int, S_IRUSR);
2058 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2059
2060 module_param(viafb_bpp1, int, S_IRUSR);
2061 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2062
2063 module_param(viafb_refresh, int, S_IRUSR);
2064 MODULE_PARM_DESC(viafb_refresh,
2065 "Set CRT viafb_refresh rate (default = 60)");
2066
2067 module_param(viafb_refresh1, int, S_IRUSR);
2068 MODULE_PARM_DESC(viafb_refresh1,
2069 "Set CRT refresh rate (default = 60)");
2070
2071 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2072 MODULE_PARM_DESC(viafb_lcd_panel_id,
2073 "Set Flat Panel type(Default=1024x768)");
2074
2075 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2076 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2077 "Set Flat Panel display scaling method.(Default=Expandsion)");
2078
2079 module_param(viafb_SAMM_ON, int, S_IRUSR);
2080 MODULE_PARM_DESC(viafb_SAMM_ON,
2081 "Turn on/off flag of SAMM(Default=OFF)");
2082
2083 module_param(viafb_accel, int, S_IRUSR);
2084 MODULE_PARM_DESC(viafb_accel,
2085 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2086
2087 module_param(viafb_active_dev, charp, S_IRUSR);
2088 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2089
2090 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2091 MODULE_PARM_DESC(viafb_display_hardware_layout,
2092 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2093
2094 module_param(viafb_second_size, int, S_IRUSR);
2095 MODULE_PARM_DESC(viafb_second_size,
2096 "Set secondary device memory size");
2097
2098 module_param(viafb_dual_fb, int, S_IRUSR);
2099 MODULE_PARM_DESC(viafb_dual_fb,
2100 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2101
2102 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2103 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2104 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2105
2106 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2107 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2108 "Turn on/off flag of dual edge panel.(Default = OFF)");
2109
2110 module_param(viafb_bus_width, int, S_IRUSR);
2111 MODULE_PARM_DESC(viafb_bus_width,
2112 "Set bus width of panel.(Default = 12)");
2113
2114 module_param(viafb_lcd_mode, int, S_IRUSR);
2115 MODULE_PARM_DESC(viafb_lcd_mode,
2116 "Set Flat Panel mode(Default=OPENLDI)");
2117
2118 module_param(viafb_lcd_port, charp, S_IRUSR);
2119 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2120
2121 module_param(viafb_dvi_port, charp, S_IRUSR);
2122 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2123
2124 MODULE_LICENSE("GPL");
2125 #endif
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