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