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Add linux-next specific files for 20110801
[linux-2.6/next.git] / drivers / video / via / viafbdev.c
blob09fa57cea8446e06dc1c99cf4cd250818c64a692
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 #include <asm/olpc.h>
28
29 #define _MASTER_FILE
30 #include "global.h"
31
32 static char *viafb_name = "Via";
33 static u32 pseudo_pal[17];
34
35 /* video mode */
36 static char *viafb_mode;
37 static char *viafb_mode1;
38 static int viafb_bpp = 32;
39 static int viafb_bpp1 = 32;
40
41 static unsigned int viafb_second_xres = 640;
42 static unsigned int viafb_second_yres = 480;
43 static unsigned int viafb_second_offset;
44 static int viafb_second_size;
45
46 static int viafb_accel = 1;
47
48 /* Added for specifying active devices.*/
49 static char *viafb_active_dev;
50
51 /*Added for specify lcd output port*/
52 static char *viafb_lcd_port = "";
53 static char *viafb_dvi_port = "";
54
55 static void retrieve_device_setting(struct viafb_ioctl_setting
56 *setting_info);
57 static int viafb_pan_display(struct fb_var_screeninfo *var,
58 struct fb_info *info);
59
60 static struct fb_ops viafb_ops;
61
62 /* supported output devices on each IGP
63 * only CX700, VX800, VX855, VX900 were documented
64 * VIA_CRT should be everywhere
65 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
66 * source selection on CX700 and later
67 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
68 */
69 static const u32 supported_odev_map[] = {
70 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1,
71 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
72 | VIA_LVDS2,
73 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
74 | VIA_LVDS2,
75 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
76 | VIA_LVDS2,
77 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
78 | VIA_LVDS2,
79 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
80 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
81 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
82 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
83 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
84 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
85 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
86 [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
87 };
88
89 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
90 {
91 var->grayscale = 0;
92 var->red.msb_right = 0;
93 var->green.msb_right = 0;
94 var->blue.msb_right = 0;
95 var->transp.offset = 0;
96 var->transp.length = 0;
97 var->transp.msb_right = 0;
98 var->nonstd = 0;
99 switch (depth) {
100 case 8:
101 var->bits_per_pixel = 8;
102 var->red.offset = 0;
103 var->green.offset = 0;
104 var->blue.offset = 0;
105 var->red.length = 8;
106 var->green.length = 8;
107 var->blue.length = 8;
108 break;
109 case 15:
110 var->bits_per_pixel = 16;
111 var->red.offset = 10;
112 var->green.offset = 5;
113 var->blue.offset = 0;
114 var->red.length = 5;
115 var->green.length = 5;
116 var->blue.length = 5;
117 break;
118 case 16:
119 var->bits_per_pixel = 16;
120 var->red.offset = 11;
121 var->green.offset = 5;
122 var->blue.offset = 0;
123 var->red.length = 5;
124 var->green.length = 6;
125 var->blue.length = 5;
126 break;
127 case 24:
128 var->bits_per_pixel = 32;
129 var->red.offset = 16;
130 var->green.offset = 8;
131 var->blue.offset = 0;
132 var->red.length = 8;
133 var->green.length = 8;
134 var->blue.length = 8;
135 break;
136 case 30:
137 var->bits_per_pixel = 32;
138 var->red.offset = 20;
139 var->green.offset = 10;
140 var->blue.offset = 0;
141 var->red.length = 10;
142 var->green.length = 10;
143 var->blue.length = 10;
144 break;
145 }
146 }
147
148 static void viafb_update_fix(struct fb_info *info)
149 {
150 u32 bpp = info->var.bits_per_pixel;
151
152 info->fix.visual =
153 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
154 info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8,
155 VIA_PITCH_SIZE);
156 }
157
158 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
159 struct viafb_par *viaparinfo)
160 {
161 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
162 strcpy(fix->id, viafb_name);
163
164 fix->smem_start = viaparinfo->fbmem;
165 fix->smem_len = viaparinfo->fbmem_free;
166
167 fix->type = FB_TYPE_PACKED_PIXELS;
168 fix->type_aux = 0;
169 fix->visual = FB_VISUAL_TRUECOLOR;
170
171 fix->xpanstep = fix->ywrapstep = 0;
172 fix->ypanstep = 1;
173
174 /* Just tell the accel name */
175 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
176 }
177 static int viafb_open(struct fb_info *info, int user)
178 {
179 DEBUG_MSG(KERN_INFO "viafb_open!\n");
180 return 0;
181 }
182
183 static int viafb_release(struct fb_info *info, int user)
184 {
185 DEBUG_MSG(KERN_INFO "viafb_release!\n");
186 return 0;
187 }
188
189 static inline int get_var_refresh(struct fb_var_screeninfo *var)
190 {
191 u32 htotal, vtotal;
192
193 htotal = var->left_margin + var->xres + var->right_margin
194 + var->hsync_len;
195 vtotal = var->upper_margin + var->yres + var->lower_margin
196 + var->vsync_len;
197 return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal);
198 }
199
200 static int viafb_check_var(struct fb_var_screeninfo *var,
201 struct fb_info *info)
202 {
203 int depth, refresh;
204 struct VideoModeTable *vmode_entry;
205 struct viafb_par *ppar = info->par;
206 u32 line;
207
208 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
209 /* Sanity check */
210 /* HW neither support interlacte nor double-scaned mode */
211 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
212 return -EINVAL;
213
214 vmode_entry = viafb_get_mode(var->xres, var->yres);
215 if (!vmode_entry) {
216 DEBUG_MSG(KERN_INFO
217 "viafb: Mode %dx%dx%d not supported!!\n",
218 var->xres, var->yres, var->bits_per_pixel);
219 return -EINVAL;
220 }
221
222 depth = fb_get_color_depth(var, &info->fix);
223 if (!depth)
224 depth = var->bits_per_pixel;
225
226 if (depth < 0 || depth > 32)
227 return -EINVAL;
228 else if (!depth)
229 depth = 24;
230 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
231 depth = 15;
232 else if (depth == 30)
233 depth = 30;
234 else if (depth <= 8)
235 depth = 8;
236 else if (depth <= 16)
237 depth = 16;
238 else
239 depth = 24;
240
241 viafb_fill_var_color_info(var, depth);
242 if (var->xres_virtual < var->xres)
243 var->xres_virtual = var->xres;
244
245 line = ALIGN(var->xres_virtual * var->bits_per_pixel / 8,
246 VIA_PITCH_SIZE);
247 if (line > VIA_PITCH_MAX || line * var->yres_virtual > ppar->memsize)
248 return -EINVAL;
249
250 /* Based on var passed in to calculate the refresh,
251 * because our driver use some modes special.
252 */
253 refresh = viafb_get_refresh(var->xres, var->yres,
254 get_var_refresh(var));
255
256 /* Adjust var according to our driver's own table */
257 viafb_fill_var_timing_info(var, refresh, vmode_entry);
258 if (var->accel_flags & FB_ACCELF_TEXT &&
259 !ppar->shared->vdev->engine_mmio)
260 var->accel_flags = 0;
261
262 return 0;
263 }
264
265 static int viafb_set_par(struct fb_info *info)
266 {
267 struct viafb_par *viapar = info->par;
268 struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
269 int refresh;
270 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
271
272 viafb_update_fix(info);
273 viapar->depth = fb_get_color_depth(&info->var, &info->fix);
274 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
275 viafbinfo->var.bits_per_pixel, 0);
276
277 vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
278 if (viafb_dual_fb) {
279 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
280 viafbinfo1->var.yres);
281 viafb_update_device_setting(viafbinfo1->var.xres,
282 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
283 1);
284 } else if (viafb_SAMM_ON == 1) {
285 DEBUG_MSG(KERN_INFO
286 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
287 viafb_second_xres, viafb_second_yres, viafb_bpp1);
288 vmode_entry1 = viafb_get_mode(viafb_second_xres,
289 viafb_second_yres);
290
291 viafb_update_device_setting(viafb_second_xres,
292 viafb_second_yres, viafb_bpp1, 1);
293 }
294
295 refresh = viafb_get_refresh(info->var.xres, info->var.yres,
296 get_var_refresh(&info->var));
297 if (vmode_entry) {
298 if (viafb_dual_fb && viapar->iga_path == IGA2) {
299 viafb_bpp1 = info->var.bits_per_pixel;
300 viafb_refresh1 = refresh;
301 } else {
302 viafb_bpp = info->var.bits_per_pixel;
303 viafb_refresh = refresh;
304 }
305
306 if (info->var.accel_flags & FB_ACCELF_TEXT)
307 info->flags &= ~FBINFO_HWACCEL_DISABLED;
308 else
309 info->flags |= FBINFO_HWACCEL_DISABLED;
310 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
311 vmode_entry1, viafb_bpp1);
312 viafb_pan_display(&info->var, info);
313 }
314
315 return 0;
316 }
317
318 /* Set one color register */
319 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
320 unsigned blue, unsigned transp, struct fb_info *info)
321 {
322 struct viafb_par *viapar = info->par;
323 u32 r, g, b;
324
325 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
326 if (regno > 255)
327 return -EINVAL;
328
329 if (!viafb_dual_fb || viapar->iga_path == IGA1)
330 viafb_set_primary_color_register(regno, red >> 8,
331 green >> 8, blue >> 8);
332
333 if (!viafb_dual_fb || viapar->iga_path == IGA2)
334 viafb_set_secondary_color_register(regno, red >> 8,
335 green >> 8, blue >> 8);
336 } else {
337 if (regno > 15)
338 return -EINVAL;
339
340 r = (red >> (16 - info->var.red.length))
341 << info->var.red.offset;
342 b = (blue >> (16 - info->var.blue.length))
343 << info->var.blue.offset;
344 g = (green >> (16 - info->var.green.length))
345 << info->var.green.offset;
346 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
347 }
348
349 return 0;
350 }
351
352 static int viafb_pan_display(struct fb_var_screeninfo *var,
353 struct fb_info *info)
354 {
355 struct viafb_par *viapar = info->par;
356 u32 vram_addr = viapar->vram_addr
357 + var->yoffset * info->fix.line_length
358 + var->xoffset * info->var.bits_per_pixel / 8;
359
360 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
361 if (!viafb_dual_fb) {
362 via_set_primary_address(vram_addr);
363 via_set_secondary_address(vram_addr);
364 } else if (viapar->iga_path == IGA1)
365 via_set_primary_address(vram_addr);
366 else
367 via_set_secondary_address(vram_addr);
368
369 return 0;
370 }
371
372 static int viafb_blank(int blank_mode, struct fb_info *info)
373 {
374 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
375 /* clear DPMS setting */
376
377 switch (blank_mode) {
378 case FB_BLANK_UNBLANK:
379 /* Screen: On, HSync: On, VSync: On */
380 /* control CRT monitor power management */
381 via_set_state(VIA_CRT, VIA_STATE_ON);
382 break;
383 case FB_BLANK_HSYNC_SUSPEND:
384 /* Screen: Off, HSync: Off, VSync: On */
385 /* control CRT monitor power management */
386 via_set_state(VIA_CRT, VIA_STATE_STANDBY);
387 break;
388 case FB_BLANK_VSYNC_SUSPEND:
389 /* Screen: Off, HSync: On, VSync: Off */
390 /* control CRT monitor power management */
391 via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
392 break;
393 case FB_BLANK_POWERDOWN:
394 /* Screen: Off, HSync: Off, VSync: Off */
395 /* control CRT monitor power management */
396 via_set_state(VIA_CRT, VIA_STATE_OFF);
397 break;
398 }
399
400 return 0;
401 }
402
403 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
404 {
405 union {
406 struct viafb_ioctl_mode viamode;
407 struct viafb_ioctl_samm viasamm;
408 struct viafb_driver_version driver_version;
409 struct fb_var_screeninfo sec_var;
410 struct _panel_size_pos_info panel_pos_size_para;
411 struct viafb_ioctl_setting viafb_setting;
412 struct device_t active_dev;
413 } u;
414 u32 state_info = 0;
415 u32 *viafb_gamma_table;
416 char driver_name[] = "viafb";
417
418 u32 __user *argp = (u32 __user *) arg;
419 u32 gpu32;
420
421 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
422 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
423 memset(&u, 0, sizeof(u));
424
425 switch (cmd) {
426 case VIAFB_GET_CHIP_INFO:
427 if (copy_to_user(argp, viaparinfo->chip_info,
428 sizeof(struct chip_information)))
429 return -EFAULT;
430 break;
431 case VIAFB_GET_INFO_SIZE:
432 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
433 case VIAFB_GET_INFO:
434 return viafb_ioctl_get_viafb_info(arg);
435 case VIAFB_HOTPLUG:
436 return put_user(viafb_ioctl_hotplug(info->var.xres,
437 info->var.yres,
438 info->var.bits_per_pixel), argp);
439 case VIAFB_SET_HOTPLUG_FLAG:
440 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
441 return -EFAULT;
442 viafb_hotplug = (gpu32) ? 1 : 0;
443 break;
444 case VIAFB_GET_RESOLUTION:
445 u.viamode.xres = (u32) viafb_hotplug_Xres;
446 u.viamode.yres = (u32) viafb_hotplug_Yres;
447 u.viamode.refresh = (u32) viafb_hotplug_refresh;
448 u.viamode.bpp = (u32) viafb_hotplug_bpp;
449 if (viafb_SAMM_ON == 1) {
450 u.viamode.xres_sec = viafb_second_xres;
451 u.viamode.yres_sec = viafb_second_yres;
452 u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual;
453 u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual;
454 u.viamode.refresh_sec = viafb_refresh1;
455 u.viamode.bpp_sec = viafb_bpp1;
456 } else {
457 u.viamode.xres_sec = 0;
458 u.viamode.yres_sec = 0;
459 u.viamode.virtual_xres_sec = 0;
460 u.viamode.virtual_yres_sec = 0;
461 u.viamode.refresh_sec = 0;
462 u.viamode.bpp_sec = 0;
463 }
464 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
465 return -EFAULT;
466 break;
467 case VIAFB_GET_SAMM_INFO:
468 u.viasamm.samm_status = viafb_SAMM_ON;
469
470 if (viafb_SAMM_ON == 1) {
471 if (viafb_dual_fb) {
472 u.viasamm.size_prim = viaparinfo->fbmem_free;
473 u.viasamm.size_sec = viaparinfo1->fbmem_free;
474 } else {
475 if (viafb_second_size) {
476 u.viasamm.size_prim =
477 viaparinfo->fbmem_free -
478 viafb_second_size * 1024 * 1024;
479 u.viasamm.size_sec =
480 viafb_second_size * 1024 * 1024;
481 } else {
482 u.viasamm.size_prim =
483 viaparinfo->fbmem_free >> 1;
484 u.viasamm.size_sec =
485 (viaparinfo->fbmem_free >> 1);
486 }
487 }
488 u.viasamm.mem_base = viaparinfo->fbmem;
489 u.viasamm.offset_sec = viafb_second_offset;
490 } else {
491 u.viasamm.size_prim =
492 viaparinfo->memsize - viaparinfo->fbmem_used;
493 u.viasamm.size_sec = 0;
494 u.viasamm.mem_base = viaparinfo->fbmem;
495 u.viasamm.offset_sec = 0;
496 }
497
498 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
499 return -EFAULT;
500
501 break;
502 case VIAFB_TURN_ON_OUTPUT_DEVICE:
503 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
504 return -EFAULT;
505 if (gpu32 & CRT_Device)
506 via_set_state(VIA_CRT, VIA_STATE_ON);
507 if (gpu32 & DVI_Device)
508 viafb_dvi_enable();
509 if (gpu32 & LCD_Device)
510 viafb_lcd_enable();
511 break;
512 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
513 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
514 return -EFAULT;
515 if (gpu32 & CRT_Device)
516 via_set_state(VIA_CRT, VIA_STATE_OFF);
517 if (gpu32 & DVI_Device)
518 viafb_dvi_disable();
519 if (gpu32 & LCD_Device)
520 viafb_lcd_disable();
521 break;
522 case VIAFB_GET_DEVICE:
523 u.active_dev.crt = viafb_CRT_ON;
524 u.active_dev.dvi = viafb_DVI_ON;
525 u.active_dev.lcd = viafb_LCD_ON;
526 u.active_dev.samm = viafb_SAMM_ON;
527 u.active_dev.primary_dev = viafb_primary_dev;
528
529 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
530 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
531 u.active_dev.lcd_mode = viafb_lcd_mode;
532
533 u.active_dev.xres = viafb_hotplug_Xres;
534 u.active_dev.yres = viafb_hotplug_Yres;
535
536 u.active_dev.xres1 = viafb_second_xres;
537 u.active_dev.yres1 = viafb_second_yres;
538
539 u.active_dev.bpp = viafb_bpp;
540 u.active_dev.bpp1 = viafb_bpp1;
541 u.active_dev.refresh = viafb_refresh;
542 u.active_dev.refresh1 = viafb_refresh1;
543
544 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
545 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
546 u.active_dev.bus_width = viafb_bus_width;
547
548 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
549 return -EFAULT;
550 break;
551
552 case VIAFB_GET_DRIVER_VERSION:
553 u.driver_version.iMajorNum = VERSION_MAJOR;
554 u.driver_version.iKernelNum = VERSION_KERNEL;
555 u.driver_version.iOSNum = VERSION_OS;
556 u.driver_version.iMinorNum = VERSION_MINOR;
557
558 if (copy_to_user(argp, &u.driver_version,
559 sizeof(u.driver_version)))
560 return -EFAULT;
561
562 break;
563
564 case VIAFB_GET_DEVICE_INFO:
565
566 retrieve_device_setting(&u.viafb_setting);
567
568 if (copy_to_user(argp, &u.viafb_setting,
569 sizeof(u.viafb_setting)))
570 return -EFAULT;
571
572 break;
573
574 case VIAFB_GET_DEVICE_SUPPORT:
575 viafb_get_device_support_state(&state_info);
576 if (put_user(state_info, argp))
577 return -EFAULT;
578 break;
579
580 case VIAFB_GET_DEVICE_CONNECT:
581 viafb_get_device_connect_state(&state_info);
582 if (put_user(state_info, argp))
583 return -EFAULT;
584 break;
585
586 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
587 state_info =
588 viafb_lcd_get_support_expand_state(info->var.xres,
589 info->var.yres);
590 if (put_user(state_info, argp))
591 return -EFAULT;
592 break;
593
594 case VIAFB_GET_DRIVER_NAME:
595 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
596 return -EFAULT;
597 break;
598
599 case VIAFB_SET_GAMMA_LUT:
600 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
601 if (IS_ERR(viafb_gamma_table))
602 return PTR_ERR(viafb_gamma_table);
603 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
604 kfree(viafb_gamma_table);
605 break;
606
607 case VIAFB_GET_GAMMA_LUT:
608 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
609 if (!viafb_gamma_table)
610 return -ENOMEM;
611 viafb_get_gamma_table(viafb_gamma_table);
612 if (copy_to_user(argp, viafb_gamma_table,
613 256 * sizeof(u32))) {
614 kfree(viafb_gamma_table);
615 return -EFAULT;
616 }
617 kfree(viafb_gamma_table);
618 break;
619
620 case VIAFB_GET_GAMMA_SUPPORT_STATE:
621 viafb_get_gamma_support_state(viafb_bpp, &state_info);
622 if (put_user(state_info, argp))
623 return -EFAULT;
624 break;
625 case VIAFB_SYNC_SURFACE:
626 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
627 break;
628 case VIAFB_GET_DRIVER_CAPS:
629 break;
630
631 case VIAFB_GET_PANEL_MAX_SIZE:
632 if (copy_from_user(&u.panel_pos_size_para, argp,
633 sizeof(u.panel_pos_size_para)))
634 return -EFAULT;
635 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
636 if (copy_to_user(argp, &u.panel_pos_size_para,
637 sizeof(u.panel_pos_size_para)))
638 return -EFAULT;
639 break;
640 case VIAFB_GET_PANEL_MAX_POSITION:
641 if (copy_from_user(&u.panel_pos_size_para, argp,
642 sizeof(u.panel_pos_size_para)))
643 return -EFAULT;
644 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
645 if (copy_to_user(argp, &u.panel_pos_size_para,
646 sizeof(u.panel_pos_size_para)))
647 return -EFAULT;
648 break;
649
650 case VIAFB_GET_PANEL_POSITION:
651 if (copy_from_user(&u.panel_pos_size_para, argp,
652 sizeof(u.panel_pos_size_para)))
653 return -EFAULT;
654 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
655 if (copy_to_user(argp, &u.panel_pos_size_para,
656 sizeof(u.panel_pos_size_para)))
657 return -EFAULT;
658 break;
659 case VIAFB_GET_PANEL_SIZE:
660 if (copy_from_user(&u.panel_pos_size_para, argp,
661 sizeof(u.panel_pos_size_para)))
662 return -EFAULT;
663 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
664 if (copy_to_user(argp, &u.panel_pos_size_para,
665 sizeof(u.panel_pos_size_para)))
666 return -EFAULT;
667 break;
668
669 case VIAFB_SET_PANEL_POSITION:
670 if (copy_from_user(&u.panel_pos_size_para, argp,
671 sizeof(u.panel_pos_size_para)))
672 return -EFAULT;
673 break;
674 case VIAFB_SET_PANEL_SIZE:
675 if (copy_from_user(&u.panel_pos_size_para, argp,
676 sizeof(u.panel_pos_size_para)))
677 return -EFAULT;
678 break;
679
680 default:
681 return -EINVAL;
682 }
683
684 return 0;
685 }
686
687 static void viafb_fillrect(struct fb_info *info,
688 const struct fb_fillrect *rect)
689 {
690 struct viafb_par *viapar = info->par;
691 struct viafb_shared *shared = viapar->shared;
692 u32 fg_color;
693 u8 rop;
694
695 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
696 cfb_fillrect(info, rect);
697 return;
698 }
699
700 if (!rect->width || !rect->height)
701 return;
702
703 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
704 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
705 else
706 fg_color = rect->color;
707
708 if (rect->rop == ROP_XOR)
709 rop = 0x5A;
710 else
711 rop = 0xF0;
712
713 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
714 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
715 rect->width, rect->height, info->var.bits_per_pixel,
716 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
717 NULL, 0, 0, 0, 0, fg_color, 0, rop))
718 cfb_fillrect(info, rect);
719 }
720
721 static void viafb_copyarea(struct fb_info *info,
722 const struct fb_copyarea *area)
723 {
724 struct viafb_par *viapar = info->par;
725 struct viafb_shared *shared = viapar->shared;
726
727 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
728 cfb_copyarea(info, area);
729 return;
730 }
731
732 if (!area->width || !area->height)
733 return;
734
735 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
736 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
737 area->width, area->height, info->var.bits_per_pixel,
738 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
739 NULL, viapar->vram_addr, info->fix.line_length,
740 area->sx, area->sy, 0, 0, 0))
741 cfb_copyarea(info, area);
742 }
743
744 static void viafb_imageblit(struct fb_info *info,
745 const struct fb_image *image)
746 {
747 struct viafb_par *viapar = info->par;
748 struct viafb_shared *shared = viapar->shared;
749 u32 fg_color = 0, bg_color = 0;
750 u8 op;
751
752 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
753 (image->depth != 1 && image->depth != viapar->depth)) {
754 cfb_imageblit(info, image);
755 return;
756 }
757
758 if (image->depth == 1) {
759 op = VIA_BITBLT_MONO;
760 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
761 fg_color =
762 ((u32 *)info->pseudo_palette)[image->fg_color];
763 bg_color =
764 ((u32 *)info->pseudo_palette)[image->bg_color];
765 } else {
766 fg_color = image->fg_color;
767 bg_color = image->bg_color;
768 }
769 } else
770 op = VIA_BITBLT_COLOR;
771
772 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
773 if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
774 image->width, image->height, info->var.bits_per_pixel,
775 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
776 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
777 cfb_imageblit(info, image);
778 }
779
780 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
781 {
782 struct viafb_par *viapar = info->par;
783 void __iomem *engine = viapar->shared->vdev->engine_mmio;
784 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
785 chip_name = viapar->shared->chip_info.gfx_chip_name;
786 int i, j = 0, cur_size = 64;
787
788 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
789 return -ENODEV;
790
791 /* LCD ouput does not support hw cursors (at least on VN896) */
792 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
793 viafb_LCD_ON)
794 return -ENODEV;
795
796 viafb_show_hw_cursor(info, HW_Cursor_OFF);
797
798 if (cursor->set & FB_CUR_SETHOT) {
799 temp = (cursor->hot.x << 16) + cursor->hot.y;
800 writel(temp, engine + VIA_REG_CURSOR_ORG);
801 }
802
803 if (cursor->set & FB_CUR_SETPOS) {
804 yy = cursor->image.dy - info->var.yoffset;
805 xx = cursor->image.dx - info->var.xoffset;
806 temp = yy & 0xFFFF;
807 temp |= (xx << 16);
808 writel(temp, engine + VIA_REG_CURSOR_POS);
809 }
810
811 if (cursor->image.width <= 32 && cursor->image.height <= 32)
812 cur_size = 32;
813 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
814 cur_size = 64;
815 else {
816 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
817 "%dx%d", cursor->image.width, cursor->image.height);
818 return -ENXIO;
819 }
820
821 if (cursor->set & FB_CUR_SETSIZE) {
822 temp = readl(engine + VIA_REG_CURSOR_MODE);
823 if (cur_size == 32)
824 temp |= 0x2;
825 else
826 temp &= ~0x2;
827
828 writel(temp, engine + VIA_REG_CURSOR_MODE);
829 }
830
831 if (cursor->set & FB_CUR_SETCMAP) {
832 fg_color = cursor->image.fg_color;
833 bg_color = cursor->image.bg_color;
834 if (chip_name == UNICHROME_CX700 ||
835 chip_name == UNICHROME_VX800 ||
836 chip_name == UNICHROME_VX855 ||
837 chip_name == UNICHROME_VX900) {
838 fg_color =
839 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
840 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
841 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
842 bg_color =
843 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
844 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
845 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
846 } else {
847 fg_color =
848 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
849 (info->cmap.green[fg_color] & 0xFF00) |
850 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
851 bg_color =
852 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
853 (info->cmap.green[bg_color] & 0xFF00) |
854 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
855 }
856
857 writel(bg_color, engine + VIA_REG_CURSOR_BG);
858 writel(fg_color, engine + VIA_REG_CURSOR_FG);
859 }
860
861 if (cursor->set & FB_CUR_SETSHAPE) {
862 struct {
863 u8 data[CURSOR_SIZE];
864 u32 bak[CURSOR_SIZE / 4];
865 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
866 int size = ((cursor->image.width + 7) >> 3) *
867 cursor->image.height;
868
869 if (!cr_data)
870 return -ENOMEM;
871
872 if (cur_size == 32) {
873 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
874 cr_data->bak[i] = 0x0;
875 cr_data->bak[i + 1] = 0xFFFFFFFF;
876 i += 1;
877 }
878 } else {
879 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
880 cr_data->bak[i] = 0x0;
881 cr_data->bak[i + 1] = 0x0;
882 cr_data->bak[i + 2] = 0xFFFFFFFF;
883 cr_data->bak[i + 3] = 0xFFFFFFFF;
884 i += 3;
885 }
886 }
887
888 switch (cursor->rop) {
889 case ROP_XOR:
890 for (i = 0; i < size; i++)
891 cr_data->data[i] = cursor->mask[i];
892 break;
893 case ROP_COPY:
894
895 for (i = 0; i < size; i++)
896 cr_data->data[i] = cursor->mask[i];
897 break;
898 default:
899 break;
900 }
901
902 if (cur_size == 32) {
903 for (i = 0; i < size; i++) {
904 cr_data->bak[j] = (u32) cr_data->data[i];
905 cr_data->bak[j + 1] = ~cr_data->bak[j];
906 j += 2;
907 }
908 } else {
909 for (i = 0; i < size; i++) {
910 cr_data->bak[j] = (u32) cr_data->data[i];
911 cr_data->bak[j + 1] = 0x0;
912 cr_data->bak[j + 2] = ~cr_data->bak[j];
913 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
914 j += 4;
915 }
916 }
917
918 memcpy_toio(viafbinfo->screen_base + viapar->shared->
919 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
920 kfree(cr_data);
921 }
922
923 if (cursor->enable)
924 viafb_show_hw_cursor(info, HW_Cursor_ON);
925
926 return 0;
927 }
928
929 static int viafb_sync(struct fb_info *info)
930 {
931 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
932 viafb_wait_engine_idle(info);
933 return 0;
934 }
935
936 static int get_primary_device(void)
937 {
938 int primary_device = 0;
939 /* Rule: device on iga1 path are the primary device. */
940 if (viafb_SAMM_ON) {
941 if (viafb_CRT_ON) {
942 if (viaparinfo->shared->iga1_devices & VIA_CRT) {
943 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1);
944 primary_device = CRT_Device;
945 }
946 }
947 if (viafb_DVI_ON) {
948 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
949 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
950 viaparinfo->
951 tmds_setting_info->iga_path);
952 primary_device = DVI_Device;
953 }
954 }
955 if (viafb_LCD_ON) {
956 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
957 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
958 viaparinfo->
959 lvds_setting_info->iga_path);
960 primary_device = LCD_Device;
961 }
962 }
963 if (viafb_LCD2_ON) {
964 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
965 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
966 viaparinfo->
967 lvds_setting_info2->iga_path);
968 primary_device = LCD2_Device;
969 }
970 }
971 }
972 return primary_device;
973 }
974
975 static void retrieve_device_setting(struct viafb_ioctl_setting
976 *setting_info)
977 {
978
979 /* get device status */
980 if (viafb_CRT_ON == 1)
981 setting_info->device_status = CRT_Device;
982 if (viafb_DVI_ON == 1)
983 setting_info->device_status |= DVI_Device;
984 if (viafb_LCD_ON == 1)
985 setting_info->device_status |= LCD_Device;
986 if (viafb_LCD2_ON == 1)
987 setting_info->device_status |= LCD2_Device;
988
989 setting_info->samm_status = viafb_SAMM_ON;
990 setting_info->primary_device = get_primary_device();
991
992 setting_info->first_dev_bpp = viafb_bpp;
993 setting_info->second_dev_bpp = viafb_bpp1;
994
995 setting_info->first_dev_refresh = viafb_refresh;
996 setting_info->second_dev_refresh = viafb_refresh1;
997
998 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
999 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1000 setting_info->second_dev_hor_res = viafb_second_xres;
1001 setting_info->second_dev_ver_res = viafb_second_yres;
1002
1003 /* Get lcd attributes */
1004 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1005 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1006 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1007 }
1008
1009 static int __init parse_active_dev(void)
1010 {
1011 viafb_CRT_ON = STATE_OFF;
1012 viafb_DVI_ON = STATE_OFF;
1013 viafb_LCD_ON = STATE_OFF;
1014 viafb_LCD2_ON = STATE_OFF;
1015 /* 1. Modify the active status of devices. */
1016 /* 2. Keep the order of devices, so we can set corresponding
1017 IGA path to devices in SAMM case. */
1018 /* Note: The previous of active_dev is primary device,
1019 and the following is secondary device. */
1020 if (!viafb_active_dev) {
1021 if (machine_is_olpc()) { /* LCD only */
1022 viafb_LCD_ON = STATE_ON;
1023 viafb_SAMM_ON = STATE_OFF;
1024 } else {
1025 viafb_CRT_ON = STATE_ON;
1026 viafb_SAMM_ON = STATE_OFF;
1027 }
1028 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1029 /* CRT+DVI */
1030 viafb_CRT_ON = STATE_ON;
1031 viafb_DVI_ON = STATE_ON;
1032 viafb_primary_dev = CRT_Device;
1033 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1034 /* DVI+CRT */
1035 viafb_CRT_ON = STATE_ON;
1036 viafb_DVI_ON = STATE_ON;
1037 viafb_primary_dev = DVI_Device;
1038 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1039 /* CRT+LCD */
1040 viafb_CRT_ON = STATE_ON;
1041 viafb_LCD_ON = STATE_ON;
1042 viafb_primary_dev = CRT_Device;
1043 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1044 /* LCD+CRT */
1045 viafb_CRT_ON = STATE_ON;
1046 viafb_LCD_ON = STATE_ON;
1047 viafb_primary_dev = LCD_Device;
1048 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1049 /* DVI+LCD */
1050 viafb_DVI_ON = STATE_ON;
1051 viafb_LCD_ON = STATE_ON;
1052 viafb_primary_dev = DVI_Device;
1053 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1054 /* LCD+DVI */
1055 viafb_DVI_ON = STATE_ON;
1056 viafb_LCD_ON = STATE_ON;
1057 viafb_primary_dev = LCD_Device;
1058 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1059 viafb_LCD_ON = STATE_ON;
1060 viafb_LCD2_ON = STATE_ON;
1061 viafb_primary_dev = LCD_Device;
1062 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1063 viafb_LCD_ON = STATE_ON;
1064 viafb_LCD2_ON = STATE_ON;
1065 viafb_primary_dev = LCD2_Device;
1066 } else if (!strcmp(viafb_active_dev, "CRT")) {
1067 /* CRT only */
1068 viafb_CRT_ON = STATE_ON;
1069 viafb_SAMM_ON = STATE_OFF;
1070 } else if (!strcmp(viafb_active_dev, "DVI")) {
1071 /* DVI only */
1072 viafb_DVI_ON = STATE_ON;
1073 viafb_SAMM_ON = STATE_OFF;
1074 } else if (!strcmp(viafb_active_dev, "LCD")) {
1075 /* LCD only */
1076 viafb_LCD_ON = STATE_ON;
1077 viafb_SAMM_ON = STATE_OFF;
1078 } else
1079 return -EINVAL;
1080
1081 return 0;
1082 }
1083
1084 static int __devinit parse_port(char *opt_str, int *output_interface)
1085 {
1086 if (!strncmp(opt_str, "DVP0", 4))
1087 *output_interface = INTERFACE_DVP0;
1088 else if (!strncmp(opt_str, "DVP1", 4))
1089 *output_interface = INTERFACE_DVP1;
1090 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1091 *output_interface = INTERFACE_DFP;
1092 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1093 *output_interface = INTERFACE_DFP_HIGH;
1094 else if (!strncmp(opt_str, "DFP_LOW", 7))
1095 *output_interface = INTERFACE_DFP_LOW;
1096 else
1097 *output_interface = INTERFACE_NONE;
1098 return 0;
1099 }
1100
1101 static void __devinit parse_lcd_port(void)
1102 {
1103 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1104 output_interface);
1105 /*Initialize to avoid unexpected behavior */
1106 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1107 INTERFACE_NONE;
1108
1109 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1110 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1111 output_interface);
1112 }
1113
1114 static void __devinit parse_dvi_port(void)
1115 {
1116 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1117 output_interface);
1118
1119 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1120 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1121 output_interface);
1122 }
1123
1124 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1125
1126 /*
1127 * The proc filesystem read/write function, a simple proc implement to
1128 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1129 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1130 * CR9B, SR65, CR97, CR99
1131 */
1132 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1133 {
1134 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1135 dvp0_data_dri =
1136 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1137 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1138 dvp0_clk_dri =
1139 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1140 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1141 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1142 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1143 return 0;
1144 }
1145
1146 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1147 {
1148 return single_open(file, viafb_dvp0_proc_show, NULL);
1149 }
1150
1151 static ssize_t viafb_dvp0_proc_write(struct file *file,
1152 const char __user *buffer, size_t count, loff_t *pos)
1153 {
1154 char buf[20], *value, *pbuf;
1155 u8 reg_val = 0;
1156 unsigned long length, i;
1157 if (count < 1)
1158 return -EINVAL;
1159 length = count > 20 ? 20 : count;
1160 if (copy_from_user(&buf[0], buffer, length))
1161 return -EFAULT;
1162 buf[length - 1] = '\0'; /*Ensure end string */
1163 pbuf = &buf[0];
1164 for (i = 0; i < 3; i++) {
1165 value = strsep(&pbuf, " ");
1166 if (value != NULL) {
1167 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1168 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1169 reg_val);
1170 switch (i) {
1171 case 0:
1172 viafb_write_reg_mask(CR96, VIACR,
1173 reg_val, 0x0f);
1174 break;
1175 case 1:
1176 viafb_write_reg_mask(SR2A, VIASR,
1177 reg_val << 4, BIT5);
1178 viafb_write_reg_mask(SR1B, VIASR,
1179 reg_val << 1, BIT1);
1180 break;
1181 case 2:
1182 viafb_write_reg_mask(SR2A, VIASR,
1183 reg_val << 3, BIT4);
1184 viafb_write_reg_mask(SR1E, VIASR,
1185 reg_val << 2, BIT2);
1186 break;
1187 default:
1188 break;
1189 }
1190 } else {
1191 break;
1192 }
1193 }
1194 return count;
1195 }
1196
1197 static const struct file_operations viafb_dvp0_proc_fops = {
1198 .owner = THIS_MODULE,
1199 .open = viafb_dvp0_proc_open,
1200 .read = seq_read,
1201 .llseek = seq_lseek,
1202 .release = single_release,
1203 .write = viafb_dvp0_proc_write,
1204 };
1205
1206 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1207 {
1208 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1209 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1210 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1211 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1212 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1213 return 0;
1214 }
1215
1216 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1217 {
1218 return single_open(file, viafb_dvp1_proc_show, NULL);
1219 }
1220
1221 static ssize_t viafb_dvp1_proc_write(struct file *file,
1222 const char __user *buffer, size_t count, loff_t *pos)
1223 {
1224 char buf[20], *value, *pbuf;
1225 u8 reg_val = 0;
1226 unsigned long length, i;
1227 if (count < 1)
1228 return -EINVAL;
1229 length = count > 20 ? 20 : count;
1230 if (copy_from_user(&buf[0], buffer, length))
1231 return -EFAULT;
1232 buf[length - 1] = '\0'; /*Ensure end string */
1233 pbuf = &buf[0];
1234 for (i = 0; i < 3; i++) {
1235 value = strsep(&pbuf, " ");
1236 if (value != NULL) {
1237 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1238 switch (i) {
1239 case 0:
1240 viafb_write_reg_mask(CR9B, VIACR,
1241 reg_val, 0x0f);
1242 break;
1243 case 1:
1244 viafb_write_reg_mask(SR65, VIASR,
1245 reg_val << 2, 0x0c);
1246 break;
1247 case 2:
1248 viafb_write_reg_mask(SR65, VIASR,
1249 reg_val, 0x03);
1250 break;
1251 default:
1252 break;
1253 }
1254 } else {
1255 break;
1256 }
1257 }
1258 return count;
1259 }
1260
1261 static const struct file_operations viafb_dvp1_proc_fops = {
1262 .owner = THIS_MODULE,
1263 .open = viafb_dvp1_proc_open,
1264 .read = seq_read,
1265 .llseek = seq_lseek,
1266 .release = single_release,
1267 .write = viafb_dvp1_proc_write,
1268 };
1269
1270 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1271 {
1272 u8 dfp_high = 0;
1273 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1274 seq_printf(m, "%x\n", dfp_high);
1275 return 0;
1276 }
1277
1278 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1279 {
1280 return single_open(file, viafb_dfph_proc_show, NULL);
1281 }
1282
1283 static ssize_t viafb_dfph_proc_write(struct file *file,
1284 const char __user *buffer, size_t count, loff_t *pos)
1285 {
1286 char buf[20];
1287 u8 reg_val = 0;
1288 unsigned long length;
1289 if (count < 1)
1290 return -EINVAL;
1291 length = count > 20 ? 20 : count;
1292 if (copy_from_user(&buf[0], buffer, length))
1293 return -EFAULT;
1294 buf[length - 1] = '\0'; /*Ensure end string */
1295 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1296 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1297 return count;
1298 }
1299
1300 static const struct file_operations viafb_dfph_proc_fops = {
1301 .owner = THIS_MODULE,
1302 .open = viafb_dfph_proc_open,
1303 .read = seq_read,
1304 .llseek = seq_lseek,
1305 .release = single_release,
1306 .write = viafb_dfph_proc_write,
1307 };
1308
1309 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1310 {
1311 u8 dfp_low = 0;
1312 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1313 seq_printf(m, "%x\n", dfp_low);
1314 return 0;
1315 }
1316
1317 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1318 {
1319 return single_open(file, viafb_dfpl_proc_show, NULL);
1320 }
1321
1322 static ssize_t viafb_dfpl_proc_write(struct file *file,
1323 const char __user *buffer, size_t count, loff_t *pos)
1324 {
1325 char buf[20];
1326 u8 reg_val = 0;
1327 unsigned long length;
1328 if (count < 1)
1329 return -EINVAL;
1330 length = count > 20 ? 20 : count;
1331 if (copy_from_user(&buf[0], buffer, length))
1332 return -EFAULT;
1333 buf[length - 1] = '\0'; /*Ensure end string */
1334 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1335 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1336 return count;
1337 }
1338
1339 static const struct file_operations viafb_dfpl_proc_fops = {
1340 .owner = THIS_MODULE,
1341 .open = viafb_dfpl_proc_open,
1342 .read = seq_read,
1343 .llseek = seq_lseek,
1344 .release = single_release,
1345 .write = viafb_dfpl_proc_write,
1346 };
1347
1348 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1349 {
1350 u8 vt1636_08 = 0, vt1636_09 = 0;
1351 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1352 case VT1636_LVDS:
1353 vt1636_08 =
1354 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1355 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1356 vt1636_09 =
1357 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1358 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1359 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1360 break;
1361 default:
1362 break;
1363 }
1364 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1365 case VT1636_LVDS:
1366 vt1636_08 =
1367 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1368 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1369 vt1636_09 =
1370 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1371 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1372 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1373 break;
1374 default:
1375 break;
1376 }
1377 return 0;
1378 }
1379
1380 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1381 {
1382 return single_open(file, viafb_vt1636_proc_show, NULL);
1383 }
1384
1385 static ssize_t viafb_vt1636_proc_write(struct file *file,
1386 const char __user *buffer, size_t count, loff_t *pos)
1387 {
1388 char buf[30], *value, *pbuf;
1389 struct IODATA reg_val;
1390 unsigned long length, i;
1391 if (count < 1)
1392 return -EINVAL;
1393 length = count > 30 ? 30 : count;
1394 if (copy_from_user(&buf[0], buffer, length))
1395 return -EFAULT;
1396 buf[length - 1] = '\0'; /*Ensure end string */
1397 pbuf = &buf[0];
1398 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1399 case VT1636_LVDS:
1400 for (i = 0; i < 2; i++) {
1401 value = strsep(&pbuf, " ");
1402 if (value != NULL) {
1403 strict_strtoul(value, 0,
1404 (unsigned long *)&reg_val.Data);
1405 switch (i) {
1406 case 0:
1407 reg_val.Index = 0x08;
1408 reg_val.Mask = 0x0f;
1409 viafb_gpio_i2c_write_mask_lvds
1410 (viaparinfo->lvds_setting_info,
1411 &viaparinfo->
1412 chip_info->lvds_chip_info,
1413 reg_val);
1414 break;
1415 case 1:
1416 reg_val.Index = 0x09;
1417 reg_val.Mask = 0x1f;
1418 viafb_gpio_i2c_write_mask_lvds
1419 (viaparinfo->lvds_setting_info,
1420 &viaparinfo->
1421 chip_info->lvds_chip_info,
1422 reg_val);
1423 break;
1424 default:
1425 break;
1426 }
1427 } else {
1428 break;
1429 }
1430 }
1431 break;
1432 default:
1433 break;
1434 }
1435 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1436 case VT1636_LVDS:
1437 for (i = 0; i < 2; i++) {
1438 value = strsep(&pbuf, " ");
1439 if (value != NULL) {
1440 strict_strtoul(value, 0,
1441 (unsigned long *)&reg_val.Data);
1442 switch (i) {
1443 case 0:
1444 reg_val.Index = 0x08;
1445 reg_val.Mask = 0x0f;
1446 viafb_gpio_i2c_write_mask_lvds
1447 (viaparinfo->lvds_setting_info2,
1448 &viaparinfo->
1449 chip_info->lvds_chip_info2,
1450 reg_val);
1451 break;
1452 case 1:
1453 reg_val.Index = 0x09;
1454 reg_val.Mask = 0x1f;
1455 viafb_gpio_i2c_write_mask_lvds
1456 (viaparinfo->lvds_setting_info2,
1457 &viaparinfo->
1458 chip_info->lvds_chip_info2,
1459 reg_val);
1460 break;
1461 default:
1462 break;
1463 }
1464 } else {
1465 break;
1466 }
1467 }
1468 break;
1469 default:
1470 break;
1471 }
1472 return count;
1473 }
1474
1475 static const struct file_operations viafb_vt1636_proc_fops = {
1476 .owner = THIS_MODULE,
1477 .open = viafb_vt1636_proc_open,
1478 .read = seq_read,
1479 .llseek = seq_lseek,
1480 .release = single_release,
1481 .write = viafb_vt1636_proc_write,
1482 };
1483
1484 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1485
1486 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1487 {
1488 via_odev_to_seq(m, supported_odev_map[
1489 viaparinfo->shared->chip_info.gfx_chip_name]);
1490 return 0;
1491 }
1492
1493 static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
1494 {
1495 return single_open(file, viafb_sup_odev_proc_show, NULL);
1496 }
1497
1498 static const struct file_operations viafb_sup_odev_proc_fops = {
1499 .owner = THIS_MODULE,
1500 .open = viafb_sup_odev_proc_open,
1501 .read = seq_read,
1502 .llseek = seq_lseek,
1503 .release = single_release,
1504 };
1505
1506 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1507 {
1508 char buf[64], *ptr = buf;
1509 u32 devices;
1510 bool add, sub;
1511
1512 if (count < 1 || count > 63)
1513 return -EINVAL;
1514 if (copy_from_user(&buf[0], buffer, count))
1515 return -EFAULT;
1516 buf[count] = '\0';
1517 add = buf[0] == '+';
1518 sub = buf[0] == '-';
1519 if (add || sub)
1520 ptr++;
1521 devices = via_parse_odev(ptr, &ptr);
1522 if (*ptr == '\n')
1523 ptr++;
1524 if (*ptr != 0)
1525 return -EINVAL;
1526 if (add)
1527 *odev |= devices;
1528 else if (sub)
1529 *odev &= ~devices;
1530 else
1531 *odev = devices;
1532 return count;
1533 }
1534
1535 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1536 {
1537 via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1538 return 0;
1539 }
1540
1541 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1542 {
1543 return single_open(file, viafb_iga1_odev_proc_show, NULL);
1544 }
1545
1546 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1547 const char __user *buffer, size_t count, loff_t *pos)
1548 {
1549 u32 dev_on, dev_off, dev_old, dev_new;
1550 ssize_t res;
1551
1552 dev_old = dev_new = viaparinfo->shared->iga1_devices;
1553 res = odev_update(buffer, count, &dev_new);
1554 if (res != count)
1555 return res;
1556 dev_off = dev_old & ~dev_new;
1557 dev_on = dev_new & ~dev_old;
1558 viaparinfo->shared->iga1_devices = dev_new;
1559 viaparinfo->shared->iga2_devices &= ~dev_new;
1560 via_set_state(dev_off, VIA_STATE_OFF);
1561 via_set_source(dev_new, IGA1);
1562 via_set_state(dev_on, VIA_STATE_ON);
1563 return res;
1564 }
1565
1566 static const struct file_operations viafb_iga1_odev_proc_fops = {
1567 .owner = THIS_MODULE,
1568 .open = viafb_iga1_odev_proc_open,
1569 .read = seq_read,
1570 .llseek = seq_lseek,
1571 .release = single_release,
1572 .write = viafb_iga1_odev_proc_write,
1573 };
1574
1575 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1576 {
1577 via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1578 return 0;
1579 }
1580
1581 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1582 {
1583 return single_open(file, viafb_iga2_odev_proc_show, NULL);
1584 }
1585
1586 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1587 const char __user *buffer, size_t count, loff_t *pos)
1588 {
1589 u32 dev_on, dev_off, dev_old, dev_new;
1590 ssize_t res;
1591
1592 dev_old = dev_new = viaparinfo->shared->iga2_devices;
1593 res = odev_update(buffer, count, &dev_new);
1594 if (res != count)
1595 return res;
1596 dev_off = dev_old & ~dev_new;
1597 dev_on = dev_new & ~dev_old;
1598 viaparinfo->shared->iga2_devices = dev_new;
1599 viaparinfo->shared->iga1_devices &= ~dev_new;
1600 via_set_state(dev_off, VIA_STATE_OFF);
1601 via_set_source(dev_new, IGA2);
1602 via_set_state(dev_on, VIA_STATE_ON);
1603 return res;
1604 }
1605
1606 static const struct file_operations viafb_iga2_odev_proc_fops = {
1607 .owner = THIS_MODULE,
1608 .open = viafb_iga2_odev_proc_open,
1609 .read = seq_read,
1610 .llseek = seq_lseek,
1611 .release = single_release,
1612 .write = viafb_iga2_odev_proc_write,
1613 };
1614
1615 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1616 static void viafb_init_proc(struct viafb_shared *shared)
1617 {
1618 struct proc_dir_entry *iga1_entry, *iga2_entry,
1619 *viafb_entry = proc_mkdir("viafb", NULL);
1620
1621 shared->proc_entry = viafb_entry;
1622 if (viafb_entry) {
1623 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1624 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
1625 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
1626 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
1627 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
1628 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1629 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1630 proc_create("vt1636", 0, viafb_entry,
1631 &viafb_vt1636_proc_fops);
1632 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1633
1634 proc_create("supported_output_devices", 0, viafb_entry,
1635 &viafb_sup_odev_proc_fops);
1636 iga1_entry = proc_mkdir("iga1", viafb_entry);
1637 shared->iga1_proc_entry = iga1_entry;
1638 proc_create("output_devices", 0, iga1_entry,
1639 &viafb_iga1_odev_proc_fops);
1640 iga2_entry = proc_mkdir("iga2", viafb_entry);
1641 shared->iga2_proc_entry = iga2_entry;
1642 proc_create("output_devices", 0, iga2_entry,
1643 &viafb_iga2_odev_proc_fops);
1644 }
1645 }
1646 static void viafb_remove_proc(struct viafb_shared *shared)
1647 {
1648 struct proc_dir_entry *viafb_entry = shared->proc_entry,
1649 *iga1_entry = shared->iga1_proc_entry,
1650 *iga2_entry = shared->iga2_proc_entry;
1651
1652 if (!viafb_entry)
1653 return;
1654
1655 remove_proc_entry("output_devices", iga2_entry);
1656 remove_proc_entry("iga2", viafb_entry);
1657 remove_proc_entry("output_devices", iga1_entry);
1658 remove_proc_entry("iga1", viafb_entry);
1659 remove_proc_entry("supported_output_devices", viafb_entry);
1660
1661 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1662 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1663 remove_proc_entry("dvp1", viafb_entry);
1664 remove_proc_entry("dfph", viafb_entry);
1665 remove_proc_entry("dfpl", viafb_entry);
1666 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1667 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1668 remove_proc_entry("vt1636", viafb_entry);
1669 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1670
1671 remove_proc_entry("viafb", NULL);
1672 }
1673 #undef IS_VT1636
1674
1675 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1676 {
1677 char *ptr;
1678
1679 if (!str) {
1680 if (machine_is_olpc()) {
1681 *xres = 1200;
1682 *yres = 900;
1683 } else {
1684 *xres = 640;
1685 *yres = 480;
1686 }
1687 return 0;
1688 }
1689
1690 *xres = simple_strtoul(str, &ptr, 10);
1691 if (ptr[0] != 'x')
1692 return -EINVAL;
1693
1694 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1695 if (ptr[0])
1696 return -EINVAL;
1697
1698 return 0;
1699 }
1700
1701
1702 #ifdef CONFIG_PM
1703 static int viafb_suspend(void *unused)
1704 {
1705 console_lock();
1706 fb_set_suspend(viafbinfo, 1);
1707 viafb_sync(viafbinfo);
1708 console_unlock();
1709
1710 return 0;
1711 }
1712
1713 static int viafb_resume(void *unused)
1714 {
1715 console_lock();
1716 if (viaparinfo->shared->vdev->engine_mmio)
1717 viafb_reset_engine(viaparinfo);
1718 viafb_set_par(viafbinfo);
1719 if (viafb_dual_fb)
1720 viafb_set_par(viafbinfo1);
1721 fb_set_suspend(viafbinfo, 0);
1722
1723 console_unlock();
1724 return 0;
1725 }
1726
1727 static struct viafb_pm_hooks viafb_fb_pm_hooks = {
1728 .suspend = viafb_suspend,
1729 .resume = viafb_resume
1730 };
1731
1732 #endif
1733
1734
1735 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1736 {
1737 u32 default_xres, default_yres;
1738 struct VideoModeTable *vmode_entry;
1739 struct fb_var_screeninfo default_var;
1740 int rc;
1741 u32 viafb_par_length;
1742
1743 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1744 memset(&default_var, 0, sizeof(default_var));
1745 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1746
1747 /* Allocate fb_info and ***_par here, also including some other needed
1748 * variables
1749 */
1750 viafbinfo = framebuffer_alloc(viafb_par_length +
1751 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1752 &vdev->pdev->dev);
1753 if (!viafbinfo) {
1754 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1755 return -ENOMEM;
1756 }
1757
1758 viaparinfo = (struct viafb_par *)viafbinfo->par;
1759 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1760 viaparinfo->shared->vdev = vdev;
1761 viaparinfo->vram_addr = 0;
1762 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1763 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1764 viaparinfo->lvds_setting_info2 =
1765 &viaparinfo->shared->lvds_setting_info2;
1766 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1767
1768 if (viafb_dual_fb)
1769 viafb_SAMM_ON = 1;
1770 parse_lcd_port();
1771 parse_dvi_port();
1772
1773 viafb_init_chip_info(vdev->chip_type);
1774 /*
1775 * The framebuffer will have been successfully mapped by
1776 * the core (or we'd not be here), but we still need to
1777 * set up our own accounting.
1778 */
1779 viaparinfo->fbmem = vdev->fbmem_start;
1780 viaparinfo->memsize = vdev->fbmem_len;
1781 viaparinfo->fbmem_free = viaparinfo->memsize;
1782 viaparinfo->fbmem_used = 0;
1783 viafbinfo->screen_base = vdev->fbmem;
1784
1785 viafbinfo->fix.mmio_start = vdev->engine_start;
1786 viafbinfo->fix.mmio_len = vdev->engine_len;
1787 viafbinfo->node = 0;
1788 viafbinfo->fbops = &viafb_ops;
1789 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1790
1791 viafbinfo->pseudo_palette = pseudo_pal;
1792 if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
1793 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1794 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1795 default_var.accel_flags = FB_ACCELF_TEXT;
1796 } else {
1797 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1798 default_var.accel_flags = 0;
1799 }
1800
1801 if (viafb_second_size && (viafb_second_size < 8)) {
1802 viafb_second_offset = viaparinfo->fbmem_free -
1803 viafb_second_size * 1024 * 1024;
1804 } else {
1805 viafb_second_size = 8;
1806 viafb_second_offset = viaparinfo->fbmem_free -
1807 viafb_second_size * 1024 * 1024;
1808 }
1809
1810 parse_mode(viafb_mode, &default_xres, &default_yres);
1811 vmode_entry = viafb_get_mode(default_xres, default_yres);
1812 if (viafb_SAMM_ON == 1)
1813 parse_mode(viafb_mode1, &viafb_second_xres,
1814 &viafb_second_yres);
1815
1816 default_var.xres = default_xres;
1817 default_var.yres = default_yres;
1818 default_var.xres_virtual = default_xres;
1819 default_var.yres_virtual = default_yres;
1820 default_var.bits_per_pixel = viafb_bpp;
1821 viafb_fill_var_timing_info(&default_var, viafb_get_refresh(
1822 default_var.xres, default_var.yres, viafb_refresh),
1823 viafb_get_mode(default_var.xres, default_var.yres));
1824 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1825 viafbinfo->var = default_var;
1826
1827 if (viafb_dual_fb) {
1828 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1829 &vdev->pdev->dev);
1830 if (!viafbinfo1) {
1831 printk(KERN_ERR
1832 "allocate the second framebuffer struct error\n");
1833 rc = -ENOMEM;
1834 goto out_fb_release;
1835 }
1836 viaparinfo1 = viafbinfo1->par;
1837 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1838 viaparinfo1->vram_addr = viafb_second_offset;
1839 viaparinfo1->memsize = viaparinfo->memsize -
1840 viafb_second_offset;
1841 viaparinfo->memsize = viafb_second_offset;
1842 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1843
1844 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1845 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1846 viaparinfo1->fbmem_used;
1847 viaparinfo->fbmem_free = viaparinfo->memsize;
1848 viaparinfo->fbmem_used = 0;
1849
1850 viaparinfo->iga_path = IGA1;
1851 viaparinfo1->iga_path = IGA2;
1852 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1853 viafbinfo1->par = viaparinfo1;
1854 viafbinfo1->screen_base = viafbinfo->screen_base +
1855 viafb_second_offset;
1856
1857 default_var.xres = viafb_second_xres;
1858 default_var.yres = viafb_second_yres;
1859 default_var.xres_virtual = viafb_second_xres;
1860 default_var.yres_virtual = viafb_second_yres;
1861 default_var.bits_per_pixel = viafb_bpp1;
1862 viafb_fill_var_timing_info(&default_var, viafb_get_refresh(
1863 default_var.xres, default_var.yres, viafb_refresh1),
1864 viafb_get_mode(default_var.xres, default_var.yres));
1865
1866 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1867 viafb_check_var(&default_var, viafbinfo1);
1868 viafbinfo1->var = default_var;
1869 viafb_update_fix(viafbinfo1);
1870 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1871 &viafbinfo1->fix);
1872 }
1873
1874 viafb_check_var(&viafbinfo->var, viafbinfo);
1875 viafb_update_fix(viafbinfo);
1876 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1877 &viafbinfo->fix);
1878 default_var.activate = FB_ACTIVATE_NOW;
1879 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1880 if (rc)
1881 goto out_fb1_release;
1882
1883 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1884 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1885 rc = register_framebuffer(viafbinfo1);
1886 if (rc)
1887 goto out_dealloc_cmap;
1888 }
1889 rc = register_framebuffer(viafbinfo);
1890 if (rc)
1891 goto out_fb1_unreg_lcd_cle266;
1892
1893 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1894 || (viaparinfo->chip_info->gfx_chip_name !=
1895 UNICHROME_CLE266))) {
1896 rc = register_framebuffer(viafbinfo1);
1897 if (rc)
1898 goto out_fb_unreg;
1899 }
1900 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1901 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1902 default_var.yres, default_var.bits_per_pixel);
1903
1904 viafb_init_proc(viaparinfo->shared);
1905 viafb_init_dac(IGA2);
1906
1907 #ifdef CONFIG_PM
1908 viafb_pm_register(&viafb_fb_pm_hooks);
1909 #endif
1910 return 0;
1911
1912 out_fb_unreg:
1913 unregister_framebuffer(viafbinfo);
1914 out_fb1_unreg_lcd_cle266:
1915 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1916 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1917 unregister_framebuffer(viafbinfo1);
1918 out_dealloc_cmap:
1919 fb_dealloc_cmap(&viafbinfo->cmap);
1920 out_fb1_release:
1921 if (viafbinfo1)
1922 framebuffer_release(viafbinfo1);
1923 out_fb_release:
1924 framebuffer_release(viafbinfo);
1925 return rc;
1926 }
1927
1928 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1929 {
1930 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1931 fb_dealloc_cmap(&viafbinfo->cmap);
1932 unregister_framebuffer(viafbinfo);
1933 if (viafb_dual_fb)
1934 unregister_framebuffer(viafbinfo1);
1935 viafb_remove_proc(viaparinfo->shared);
1936 framebuffer_release(viafbinfo);
1937 if (viafb_dual_fb)
1938 framebuffer_release(viafbinfo1);
1939 }
1940
1941 #ifndef MODULE
1942 static int __init viafb_setup(void)
1943 {
1944 char *this_opt;
1945 char *options;
1946
1947 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1948
1949 if (fb_get_options("viafb", &options))
1950 return -ENODEV;
1951
1952 if (!options || !*options)
1953 return 0;
1954
1955 while ((this_opt = strsep(&options, ",")) != NULL) {
1956 if (!*this_opt)
1957 continue;
1958
1959 if (!strncmp(this_opt, "viafb_mode1=", 12))
1960 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1961 else if (!strncmp(this_opt, "viafb_mode=", 11))
1962 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1963 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1964 strict_strtoul(this_opt + 11, 0,
1965 (unsigned long *)&viafb_bpp1);
1966 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1967 strict_strtoul(this_opt + 10, 0,
1968 (unsigned long *)&viafb_bpp);
1969 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1970 strict_strtoul(this_opt + 15, 0,
1971 (unsigned long *)&viafb_refresh1);
1972 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1973 strict_strtoul(this_opt + 14, 0,
1974 (unsigned long *)&viafb_refresh);
1975 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1976 strict_strtoul(this_opt + 21, 0,
1977 (unsigned long *)&viafb_lcd_dsp_method);
1978 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1979 strict_strtoul(this_opt + 19, 0,
1980 (unsigned long *)&viafb_lcd_panel_id);
1981 else if (!strncmp(this_opt, "viafb_accel=", 12))
1982 strict_strtoul(this_opt + 12, 0,
1983 (unsigned long *)&viafb_accel);
1984 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1985 strict_strtoul(this_opt + 14, 0,
1986 (unsigned long *)&viafb_SAMM_ON);
1987 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
1988 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1989 else if (!strncmp(this_opt,
1990 "viafb_display_hardware_layout=", 30))
1991 strict_strtoul(this_opt + 30, 0,
1992 (unsigned long *)&viafb_display_hardware_layout);
1993 else if (!strncmp(this_opt, "viafb_second_size=", 18))
1994 strict_strtoul(this_opt + 18, 0,
1995 (unsigned long *)&viafb_second_size);
1996 else if (!strncmp(this_opt,
1997 "viafb_platform_epia_dvi=", 24))
1998 strict_strtoul(this_opt + 24, 0,
1999 (unsigned long *)&viafb_platform_epia_dvi);
2000 else if (!strncmp(this_opt,
2001 "viafb_device_lcd_dualedge=", 26))
2002 strict_strtoul(this_opt + 26, 0,
2003 (unsigned long *)&viafb_device_lcd_dualedge);
2004 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2005 strict_strtoul(this_opt + 16, 0,
2006 (unsigned long *)&viafb_bus_width);
2007 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2008 strict_strtoul(this_opt + 15, 0,
2009 (unsigned long *)&viafb_lcd_mode);
2010 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2011 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2012 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2013 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2014 }
2015 return 0;
2016 }
2017 #endif
2018
2019 /*
2020 * These are called out of via-core for now.
2021 */
2022 int __init viafb_init(void)
2023 {
2024 u32 dummy_x, dummy_y;
2025 int r = 0;
2026
2027 if (machine_is_olpc())
2028 /* Apply XO-1.5-specific configuration. */
2029 viafb_lcd_panel_id = 23;
2030
2031 #ifndef MODULE
2032 r = viafb_setup();
2033 if (r < 0)
2034 return r;
2035 #endif
2036 if (parse_mode(viafb_mode, &dummy_x, &dummy_y)
2037 || !viafb_get_mode(dummy_x, dummy_y)
2038 || parse_mode(viafb_mode1, &dummy_x, &dummy_y)
2039 || !viafb_get_mode(dummy_x, dummy_y)
2040 || viafb_bpp < 0 || viafb_bpp > 32
2041 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2042 || parse_active_dev())
2043 return -EINVAL;
2044
2045 printk(KERN_INFO
2046 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n",
2047 VERSION_MAJOR, VERSION_MINOR);
2048 return r;
2049 }
2050
2051 void __exit viafb_exit(void)
2052 {
2053 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2054 }
2055
2056 static struct fb_ops viafb_ops = {
2057 .owner = THIS_MODULE,
2058 .fb_open = viafb_open,
2059 .fb_release = viafb_release,
2060 .fb_check_var = viafb_check_var,
2061 .fb_set_par = viafb_set_par,
2062 .fb_setcolreg = viafb_setcolreg,
2063 .fb_pan_display = viafb_pan_display,
2064 .fb_blank = viafb_blank,
2065 .fb_fillrect = viafb_fillrect,
2066 .fb_copyarea = viafb_copyarea,
2067 .fb_imageblit = viafb_imageblit,
2068 .fb_cursor = viafb_cursor,
2069 .fb_ioctl = viafb_ioctl,
2070 .fb_sync = viafb_sync,
2071 };
2072
2073
2074 #ifdef MODULE
2075 module_param(viafb_mode, charp, S_IRUSR);
2076 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2077
2078 module_param(viafb_mode1, charp, S_IRUSR);
2079 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2080
2081 module_param(viafb_bpp, int, S_IRUSR);
2082 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2083
2084 module_param(viafb_bpp1, int, S_IRUSR);
2085 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2086
2087 module_param(viafb_refresh, int, S_IRUSR);
2088 MODULE_PARM_DESC(viafb_refresh,
2089 "Set CRT viafb_refresh rate (default = 60)");
2090
2091 module_param(viafb_refresh1, int, S_IRUSR);
2092 MODULE_PARM_DESC(viafb_refresh1,
2093 "Set CRT refresh rate (default = 60)");
2094
2095 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2096 MODULE_PARM_DESC(viafb_lcd_panel_id,
2097 "Set Flat Panel type(Default=1024x768)");
2098
2099 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2100 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2101 "Set Flat Panel display scaling method.(Default=Expandsion)");
2102
2103 module_param(viafb_SAMM_ON, int, S_IRUSR);
2104 MODULE_PARM_DESC(viafb_SAMM_ON,
2105 "Turn on/off flag of SAMM(Default=OFF)");
2106
2107 module_param(viafb_accel, int, S_IRUSR);
2108 MODULE_PARM_DESC(viafb_accel,
2109 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2110
2111 module_param(viafb_active_dev, charp, S_IRUSR);
2112 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2113
2114 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2115 MODULE_PARM_DESC(viafb_display_hardware_layout,
2116 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2117
2118 module_param(viafb_second_size, int, S_IRUSR);
2119 MODULE_PARM_DESC(viafb_second_size,
2120 "Set secondary device memory size");
2121
2122 module_param(viafb_dual_fb, int, S_IRUSR);
2123 MODULE_PARM_DESC(viafb_dual_fb,
2124 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2125
2126 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2127 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2128 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2129
2130 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2131 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2132 "Turn on/off flag of dual edge panel.(Default = OFF)");
2133
2134 module_param(viafb_bus_width, int, S_IRUSR);
2135 MODULE_PARM_DESC(viafb_bus_width,
2136 "Set bus width of panel.(Default = 12)");
2137
2138 module_param(viafb_lcd_mode, int, S_IRUSR);
2139 MODULE_PARM_DESC(viafb_lcd_mode,
2140 "Set Flat Panel mode(Default=OPENLDI)");
2141
2142 module_param(viafb_lcd_port, charp, S_IRUSR);
2143 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2144
2145 module_param(viafb_dvi_port, charp, S_IRUSR);
2146 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2147
2148 MODULE_LICENSE("GPL");
2149 #endif
linux-next