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Linux 4.18.10
[linux/fpc-iii.git] / drivers / video / fbdev / via / viafbdev.c
blob7bb7e90b8f006f28548da5ed6b4944ee0f9131e6
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/compiler.h>
23 #include <linux/module.h>
24 #include <linux/seq_file.h>
25 #include <linux/slab.h>
26 #include <linux/stat.h>
27 #include <linux/via-core.h>
28 #include <linux/via_i2c.h>
29
30 #define _MASTER_FILE
31 #include "global.h"
32
33 static char *viafb_name = "Via";
34 static u32 pseudo_pal[17];
35
36 /* video mode */
37 static char *viafb_mode;
38 static char *viafb_mode1;
39 static int viafb_bpp = 32;
40 static int viafb_bpp1 = 32;
41
42 static unsigned int viafb_second_offset;
43 static int viafb_second_size;
44
45 static int viafb_accel = 1;
46
47 /* Added for specifying active devices.*/
48 static char *viafb_active_dev;
49
50 /*Added for specify lcd output port*/
51 static char *viafb_lcd_port = "";
52 static char *viafb_dvi_port = "";
53
54 static void retrieve_device_setting(struct viafb_ioctl_setting
55 *setting_info);
56 static int viafb_pan_display(struct fb_var_screeninfo *var,
57 struct fb_info *info);
58
59 static struct fb_ops viafb_ops;
60
61 /* supported output devices on each IGP
62 * only CX700, VX800, VX855, VX900 were documented
63 * VIA_CRT should be everywhere
64 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
65 * source selection on CX700 and later
66 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
67 */
68 static const u32 supported_odev_map[] = {
69 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1,
70 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
71 | VIA_LVDS2,
72 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
73 | VIA_LVDS2,
74 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
75 | VIA_LVDS2,
76 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
77 | VIA_LVDS2,
78 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
79 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
80 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
81 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
82 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
83 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
84 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
85 [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
86 };
87
88 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
89 {
90 var->grayscale = 0;
91 var->red.msb_right = 0;
92 var->green.msb_right = 0;
93 var->blue.msb_right = 0;
94 var->transp.offset = 0;
95 var->transp.length = 0;
96 var->transp.msb_right = 0;
97 var->nonstd = 0;
98 switch (depth) {
99 case 8:
100 var->bits_per_pixel = 8;
101 var->red.offset = 0;
102 var->green.offset = 0;
103 var->blue.offset = 0;
104 var->red.length = 8;
105 var->green.length = 8;
106 var->blue.length = 8;
107 break;
108 case 15:
109 var->bits_per_pixel = 16;
110 var->red.offset = 10;
111 var->green.offset = 5;
112 var->blue.offset = 0;
113 var->red.length = 5;
114 var->green.length = 5;
115 var->blue.length = 5;
116 break;
117 case 16:
118 var->bits_per_pixel = 16;
119 var->red.offset = 11;
120 var->green.offset = 5;
121 var->blue.offset = 0;
122 var->red.length = 5;
123 var->green.length = 6;
124 var->blue.length = 5;
125 break;
126 case 24:
127 var->bits_per_pixel = 32;
128 var->red.offset = 16;
129 var->green.offset = 8;
130 var->blue.offset = 0;
131 var->red.length = 8;
132 var->green.length = 8;
133 var->blue.length = 8;
134 break;
135 case 30:
136 var->bits_per_pixel = 32;
137 var->red.offset = 20;
138 var->green.offset = 10;
139 var->blue.offset = 0;
140 var->red.length = 10;
141 var->green.length = 10;
142 var->blue.length = 10;
143 break;
144 }
145 }
146
147 static void viafb_update_fix(struct fb_info *info)
148 {
149 u32 bpp = info->var.bits_per_pixel;
150
151 info->fix.visual =
152 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
153 info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8,
154 VIA_PITCH_SIZE);
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 viafb_par *ppar = info->par;
204 u32 line;
205
206 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
207 /* Sanity check */
208 /* HW neither support interlacte nor double-scaned mode */
209 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
210 return -EINVAL;
211
212 /* the refresh rate is not important here, as we only want to know
213 * whether the resolution exists
214 */
215 if (!viafb_get_best_mode(var->xres, var->yres, 60)) {
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,
258 viafb_get_best_mode(var->xres, var->yres, refresh));
259 if (var->accel_flags & FB_ACCELF_TEXT &&
260 !ppar->shared->vdev->engine_mmio)
261 var->accel_flags = 0;
262
263 return 0;
264 }
265
266 static int viafb_set_par(struct fb_info *info)
267 {
268 struct viafb_par *viapar = info->par;
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 if (viafb_dual_fb) {
278 viafb_update_device_setting(viafbinfo1->var.xres,
279 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
280 1);
281 } else if (viafb_SAMM_ON == 1) {
282 DEBUG_MSG(KERN_INFO
283 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
284 viafb_second_xres, viafb_second_yres, viafb_bpp1);
285
286 viafb_update_device_setting(viafb_second_xres,
287 viafb_second_yres, viafb_bpp1, 1);
288 }
289
290 refresh = get_var_refresh(&info->var);
291 if (viafb_dual_fb && viapar->iga_path == IGA2) {
292 viafb_bpp1 = info->var.bits_per_pixel;
293 viafb_refresh1 = refresh;
294 } else {
295 viafb_bpp = info->var.bits_per_pixel;
296 viafb_refresh = refresh;
297 }
298
299 if (info->var.accel_flags & FB_ACCELF_TEXT)
300 info->flags &= ~FBINFO_HWACCEL_DISABLED;
301 else
302 info->flags |= FBINFO_HWACCEL_DISABLED;
303 viafb_setmode();
304 viafb_pan_display(&info->var, info);
305
306 return 0;
307 }
308
309 /* Set one color register */
310 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
311 unsigned blue, unsigned transp, struct fb_info *info)
312 {
313 struct viafb_par *viapar = info->par;
314 u32 r, g, b;
315
316 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
317 if (regno > 255)
318 return -EINVAL;
319
320 if (!viafb_dual_fb || viapar->iga_path == IGA1)
321 viafb_set_primary_color_register(regno, red >> 8,
322 green >> 8, blue >> 8);
323
324 if (!viafb_dual_fb || viapar->iga_path == IGA2)
325 viafb_set_secondary_color_register(regno, red >> 8,
326 green >> 8, blue >> 8);
327 } else {
328 if (regno > 15)
329 return -EINVAL;
330
331 r = (red >> (16 - info->var.red.length))
332 << info->var.red.offset;
333 b = (blue >> (16 - info->var.blue.length))
334 << info->var.blue.offset;
335 g = (green >> (16 - info->var.green.length))
336 << info->var.green.offset;
337 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
338 }
339
340 return 0;
341 }
342
343 static int viafb_pan_display(struct fb_var_screeninfo *var,
344 struct fb_info *info)
345 {
346 struct viafb_par *viapar = info->par;
347 u32 vram_addr = viapar->vram_addr
348 + var->yoffset * info->fix.line_length
349 + var->xoffset * info->var.bits_per_pixel / 8;
350
351 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
352 if (!viafb_dual_fb) {
353 via_set_primary_address(vram_addr);
354 via_set_secondary_address(vram_addr);
355 } else if (viapar->iga_path == IGA1)
356 via_set_primary_address(vram_addr);
357 else
358 via_set_secondary_address(vram_addr);
359
360 return 0;
361 }
362
363 static int viafb_blank(int blank_mode, struct fb_info *info)
364 {
365 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
366 /* clear DPMS setting */
367
368 switch (blank_mode) {
369 case FB_BLANK_UNBLANK:
370 /* Screen: On, HSync: On, VSync: On */
371 /* control CRT monitor power management */
372 via_set_state(VIA_CRT, VIA_STATE_ON);
373 break;
374 case FB_BLANK_HSYNC_SUSPEND:
375 /* Screen: Off, HSync: Off, VSync: On */
376 /* control CRT monitor power management */
377 via_set_state(VIA_CRT, VIA_STATE_STANDBY);
378 break;
379 case FB_BLANK_VSYNC_SUSPEND:
380 /* Screen: Off, HSync: On, VSync: Off */
381 /* control CRT monitor power management */
382 via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
383 break;
384 case FB_BLANK_POWERDOWN:
385 /* Screen: Off, HSync: Off, VSync: Off */
386 /* control CRT monitor power management */
387 via_set_state(VIA_CRT, VIA_STATE_OFF);
388 break;
389 }
390
391 return 0;
392 }
393
394 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
395 {
396 union {
397 struct viafb_ioctl_mode viamode;
398 struct viafb_ioctl_samm viasamm;
399 struct viafb_driver_version driver_version;
400 struct fb_var_screeninfo sec_var;
401 struct _panel_size_pos_info panel_pos_size_para;
402 struct viafb_ioctl_setting viafb_setting;
403 struct device_t active_dev;
404 } u;
405 u32 state_info = 0;
406 u32 *viafb_gamma_table;
407 char driver_name[] = "viafb";
408
409 u32 __user *argp = (u32 __user *) arg;
410 u32 gpu32;
411
412 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
413 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
414 memset(&u, 0, sizeof(u));
415
416 switch (cmd) {
417 case VIAFB_GET_CHIP_INFO:
418 if (copy_to_user(argp, viaparinfo->chip_info,
419 sizeof(struct chip_information)))
420 return -EFAULT;
421 break;
422 case VIAFB_GET_INFO_SIZE:
423 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
424 case VIAFB_GET_INFO:
425 return viafb_ioctl_get_viafb_info(arg);
426 case VIAFB_HOTPLUG:
427 return put_user(viafb_ioctl_hotplug(info->var.xres,
428 info->var.yres,
429 info->var.bits_per_pixel), argp);
430 case VIAFB_SET_HOTPLUG_FLAG:
431 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
432 return -EFAULT;
433 viafb_hotplug = (gpu32) ? 1 : 0;
434 break;
435 case VIAFB_GET_RESOLUTION:
436 u.viamode.xres = (u32) viafb_hotplug_Xres;
437 u.viamode.yres = (u32) viafb_hotplug_Yres;
438 u.viamode.refresh = (u32) viafb_hotplug_refresh;
439 u.viamode.bpp = (u32) viafb_hotplug_bpp;
440 if (viafb_SAMM_ON == 1) {
441 u.viamode.xres_sec = viafb_second_xres;
442 u.viamode.yres_sec = viafb_second_yres;
443 u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual;
444 u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual;
445 u.viamode.refresh_sec = viafb_refresh1;
446 u.viamode.bpp_sec = viafb_bpp1;
447 } else {
448 u.viamode.xres_sec = 0;
449 u.viamode.yres_sec = 0;
450 u.viamode.virtual_xres_sec = 0;
451 u.viamode.virtual_yres_sec = 0;
452 u.viamode.refresh_sec = 0;
453 u.viamode.bpp_sec = 0;
454 }
455 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
456 return -EFAULT;
457 break;
458 case VIAFB_GET_SAMM_INFO:
459 u.viasamm.samm_status = viafb_SAMM_ON;
460
461 if (viafb_SAMM_ON == 1) {
462 if (viafb_dual_fb) {
463 u.viasamm.size_prim = viaparinfo->fbmem_free;
464 u.viasamm.size_sec = viaparinfo1->fbmem_free;
465 } else {
466 if (viafb_second_size) {
467 u.viasamm.size_prim =
468 viaparinfo->fbmem_free -
469 viafb_second_size * 1024 * 1024;
470 u.viasamm.size_sec =
471 viafb_second_size * 1024 * 1024;
472 } else {
473 u.viasamm.size_prim =
474 viaparinfo->fbmem_free >> 1;
475 u.viasamm.size_sec =
476 (viaparinfo->fbmem_free >> 1);
477 }
478 }
479 u.viasamm.mem_base = viaparinfo->fbmem;
480 u.viasamm.offset_sec = viafb_second_offset;
481 } else {
482 u.viasamm.size_prim =
483 viaparinfo->memsize - viaparinfo->fbmem_used;
484 u.viasamm.size_sec = 0;
485 u.viasamm.mem_base = viaparinfo->fbmem;
486 u.viasamm.offset_sec = 0;
487 }
488
489 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
490 return -EFAULT;
491
492 break;
493 case VIAFB_TURN_ON_OUTPUT_DEVICE:
494 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
495 return -EFAULT;
496 if (gpu32 & CRT_Device)
497 via_set_state(VIA_CRT, VIA_STATE_ON);
498 if (gpu32 & DVI_Device)
499 viafb_dvi_enable();
500 if (gpu32 & LCD_Device)
501 viafb_lcd_enable();
502 break;
503 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
504 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
505 return -EFAULT;
506 if (gpu32 & CRT_Device)
507 via_set_state(VIA_CRT, VIA_STATE_OFF);
508 if (gpu32 & DVI_Device)
509 viafb_dvi_disable();
510 if (gpu32 & LCD_Device)
511 viafb_lcd_disable();
512 break;
513 case VIAFB_GET_DEVICE:
514 u.active_dev.crt = viafb_CRT_ON;
515 u.active_dev.dvi = viafb_DVI_ON;
516 u.active_dev.lcd = viafb_LCD_ON;
517 u.active_dev.samm = viafb_SAMM_ON;
518 u.active_dev.primary_dev = viafb_primary_dev;
519
520 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
521 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
522 u.active_dev.lcd_mode = viafb_lcd_mode;
523
524 u.active_dev.xres = viafb_hotplug_Xres;
525 u.active_dev.yres = viafb_hotplug_Yres;
526
527 u.active_dev.xres1 = viafb_second_xres;
528 u.active_dev.yres1 = viafb_second_yres;
529
530 u.active_dev.bpp = viafb_bpp;
531 u.active_dev.bpp1 = viafb_bpp1;
532 u.active_dev.refresh = viafb_refresh;
533 u.active_dev.refresh1 = viafb_refresh1;
534
535 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
536 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
537 u.active_dev.bus_width = viafb_bus_width;
538
539 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
540 return -EFAULT;
541 break;
542
543 case VIAFB_GET_DRIVER_VERSION:
544 u.driver_version.iMajorNum = VERSION_MAJOR;
545 u.driver_version.iKernelNum = VERSION_KERNEL;
546 u.driver_version.iOSNum = VERSION_OS;
547 u.driver_version.iMinorNum = VERSION_MINOR;
548
549 if (copy_to_user(argp, &u.driver_version,
550 sizeof(u.driver_version)))
551 return -EFAULT;
552
553 break;
554
555 case VIAFB_GET_DEVICE_INFO:
556
557 retrieve_device_setting(&u.viafb_setting);
558
559 if (copy_to_user(argp, &u.viafb_setting,
560 sizeof(u.viafb_setting)))
561 return -EFAULT;
562
563 break;
564
565 case VIAFB_GET_DEVICE_SUPPORT:
566 viafb_get_device_support_state(&state_info);
567 if (put_user(state_info, argp))
568 return -EFAULT;
569 break;
570
571 case VIAFB_GET_DEVICE_CONNECT:
572 viafb_get_device_connect_state(&state_info);
573 if (put_user(state_info, argp))
574 return -EFAULT;
575 break;
576
577 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
578 state_info =
579 viafb_lcd_get_support_expand_state(info->var.xres,
580 info->var.yres);
581 if (put_user(state_info, argp))
582 return -EFAULT;
583 break;
584
585 case VIAFB_GET_DRIVER_NAME:
586 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
587 return -EFAULT;
588 break;
589
590 case VIAFB_SET_GAMMA_LUT:
591 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
592 if (IS_ERR(viafb_gamma_table))
593 return PTR_ERR(viafb_gamma_table);
594 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
595 kfree(viafb_gamma_table);
596 break;
597
598 case VIAFB_GET_GAMMA_LUT:
599 viafb_gamma_table = kmalloc_array(256, sizeof(u32),
600 GFP_KERNEL);
601 if (!viafb_gamma_table)
602 return -ENOMEM;
603 viafb_get_gamma_table(viafb_gamma_table);
604 if (copy_to_user(argp, viafb_gamma_table,
605 256 * sizeof(u32))) {
606 kfree(viafb_gamma_table);
607 return -EFAULT;
608 }
609 kfree(viafb_gamma_table);
610 break;
611
612 case VIAFB_GET_GAMMA_SUPPORT_STATE:
613 viafb_get_gamma_support_state(viafb_bpp, &state_info);
614 if (put_user(state_info, argp))
615 return -EFAULT;
616 break;
617 case VIAFB_SYNC_SURFACE:
618 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
619 break;
620 case VIAFB_GET_DRIVER_CAPS:
621 break;
622
623 case VIAFB_GET_PANEL_MAX_SIZE:
624 if (copy_from_user(&u.panel_pos_size_para, argp,
625 sizeof(u.panel_pos_size_para)))
626 return -EFAULT;
627 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
628 if (copy_to_user(argp, &u.panel_pos_size_para,
629 sizeof(u.panel_pos_size_para)))
630 return -EFAULT;
631 break;
632 case VIAFB_GET_PANEL_MAX_POSITION:
633 if (copy_from_user(&u.panel_pos_size_para, argp,
634 sizeof(u.panel_pos_size_para)))
635 return -EFAULT;
636 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
637 if (copy_to_user(argp, &u.panel_pos_size_para,
638 sizeof(u.panel_pos_size_para)))
639 return -EFAULT;
640 break;
641
642 case VIAFB_GET_PANEL_POSITION:
643 if (copy_from_user(&u.panel_pos_size_para, argp,
644 sizeof(u.panel_pos_size_para)))
645 return -EFAULT;
646 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
647 if (copy_to_user(argp, &u.panel_pos_size_para,
648 sizeof(u.panel_pos_size_para)))
649 return -EFAULT;
650 break;
651 case VIAFB_GET_PANEL_SIZE:
652 if (copy_from_user(&u.panel_pos_size_para, argp,
653 sizeof(u.panel_pos_size_para)))
654 return -EFAULT;
655 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
656 if (copy_to_user(argp, &u.panel_pos_size_para,
657 sizeof(u.panel_pos_size_para)))
658 return -EFAULT;
659 break;
660
661 case VIAFB_SET_PANEL_POSITION:
662 if (copy_from_user(&u.panel_pos_size_para, argp,
663 sizeof(u.panel_pos_size_para)))
664 return -EFAULT;
665 break;
666 case VIAFB_SET_PANEL_SIZE:
667 if (copy_from_user(&u.panel_pos_size_para, argp,
668 sizeof(u.panel_pos_size_para)))
669 return -EFAULT;
670 break;
671
672 default:
673 return -EINVAL;
674 }
675
676 return 0;
677 }
678
679 static void viafb_fillrect(struct fb_info *info,
680 const struct fb_fillrect *rect)
681 {
682 struct viafb_par *viapar = info->par;
683 struct viafb_shared *shared = viapar->shared;
684 u32 fg_color;
685 u8 rop;
686
687 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
688 cfb_fillrect(info, rect);
689 return;
690 }
691
692 if (!rect->width || !rect->height)
693 return;
694
695 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
696 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
697 else
698 fg_color = rect->color;
699
700 if (rect->rop == ROP_XOR)
701 rop = 0x5A;
702 else
703 rop = 0xF0;
704
705 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
706 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
707 rect->width, rect->height, info->var.bits_per_pixel,
708 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
709 NULL, 0, 0, 0, 0, fg_color, 0, rop))
710 cfb_fillrect(info, rect);
711 }
712
713 static void viafb_copyarea(struct fb_info *info,
714 const struct fb_copyarea *area)
715 {
716 struct viafb_par *viapar = info->par;
717 struct viafb_shared *shared = viapar->shared;
718
719 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
720 cfb_copyarea(info, area);
721 return;
722 }
723
724 if (!area->width || !area->height)
725 return;
726
727 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
728 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
729 area->width, area->height, info->var.bits_per_pixel,
730 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
731 NULL, viapar->vram_addr, info->fix.line_length,
732 area->sx, area->sy, 0, 0, 0))
733 cfb_copyarea(info, area);
734 }
735
736 static void viafb_imageblit(struct fb_info *info,
737 const struct fb_image *image)
738 {
739 struct viafb_par *viapar = info->par;
740 struct viafb_shared *shared = viapar->shared;
741 u32 fg_color = 0, bg_color = 0;
742 u8 op;
743
744 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
745 (image->depth != 1 && image->depth != viapar->depth)) {
746 cfb_imageblit(info, image);
747 return;
748 }
749
750 if (image->depth == 1) {
751 op = VIA_BITBLT_MONO;
752 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
753 fg_color =
754 ((u32 *)info->pseudo_palette)[image->fg_color];
755 bg_color =
756 ((u32 *)info->pseudo_palette)[image->bg_color];
757 } else {
758 fg_color = image->fg_color;
759 bg_color = image->bg_color;
760 }
761 } else
762 op = VIA_BITBLT_COLOR;
763
764 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
765 if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
766 image->width, image->height, info->var.bits_per_pixel,
767 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
768 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
769 cfb_imageblit(info, image);
770 }
771
772 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
773 {
774 struct viafb_par *viapar = info->par;
775 void __iomem *engine = viapar->shared->vdev->engine_mmio;
776 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
777 chip_name = viapar->shared->chip_info.gfx_chip_name;
778 int i, j = 0, cur_size = 64;
779
780 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
781 return -ENODEV;
782
783 /* LCD ouput does not support hw cursors (at least on VN896) */
784 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
785 viafb_LCD_ON)
786 return -ENODEV;
787
788 viafb_show_hw_cursor(info, HW_Cursor_OFF);
789
790 if (cursor->set & FB_CUR_SETHOT) {
791 temp = (cursor->hot.x << 16) + cursor->hot.y;
792 writel(temp, engine + VIA_REG_CURSOR_ORG);
793 }
794
795 if (cursor->set & FB_CUR_SETPOS) {
796 yy = cursor->image.dy - info->var.yoffset;
797 xx = cursor->image.dx - info->var.xoffset;
798 temp = yy & 0xFFFF;
799 temp |= (xx << 16);
800 writel(temp, engine + VIA_REG_CURSOR_POS);
801 }
802
803 if (cursor->image.width <= 32 && cursor->image.height <= 32)
804 cur_size = 32;
805 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
806 cur_size = 64;
807 else {
808 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
809 "%dx%d", cursor->image.width, cursor->image.height);
810 return -ENXIO;
811 }
812
813 if (cursor->set & FB_CUR_SETSIZE) {
814 temp = readl(engine + VIA_REG_CURSOR_MODE);
815 if (cur_size == 32)
816 temp |= 0x2;
817 else
818 temp &= ~0x2;
819
820 writel(temp, engine + VIA_REG_CURSOR_MODE);
821 }
822
823 if (cursor->set & FB_CUR_SETCMAP) {
824 fg_color = cursor->image.fg_color;
825 bg_color = cursor->image.bg_color;
826 if (chip_name == UNICHROME_CX700 ||
827 chip_name == UNICHROME_VX800 ||
828 chip_name == UNICHROME_VX855 ||
829 chip_name == UNICHROME_VX900) {
830 fg_color =
831 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
832 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
833 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
834 bg_color =
835 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
836 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
837 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
838 } else {
839 fg_color =
840 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
841 (info->cmap.green[fg_color] & 0xFF00) |
842 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
843 bg_color =
844 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
845 (info->cmap.green[bg_color] & 0xFF00) |
846 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
847 }
848
849 writel(bg_color, engine + VIA_REG_CURSOR_BG);
850 writel(fg_color, engine + VIA_REG_CURSOR_FG);
851 }
852
853 if (cursor->set & FB_CUR_SETSHAPE) {
854 struct {
855 u8 data[CURSOR_SIZE];
856 u32 bak[CURSOR_SIZE / 4];
857 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
858 int size = ((cursor->image.width + 7) >> 3) *
859 cursor->image.height;
860
861 if (!cr_data)
862 return -ENOMEM;
863
864 if (cur_size == 32) {
865 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
866 cr_data->bak[i] = 0x0;
867 cr_data->bak[i + 1] = 0xFFFFFFFF;
868 i += 1;
869 }
870 } else {
871 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
872 cr_data->bak[i] = 0x0;
873 cr_data->bak[i + 1] = 0x0;
874 cr_data->bak[i + 2] = 0xFFFFFFFF;
875 cr_data->bak[i + 3] = 0xFFFFFFFF;
876 i += 3;
877 }
878 }
879
880 switch (cursor->rop) {
881 case ROP_XOR:
882 for (i = 0; i < size; i++)
883 cr_data->data[i] = cursor->mask[i];
884 break;
885 case ROP_COPY:
886
887 for (i = 0; i < size; i++)
888 cr_data->data[i] = cursor->mask[i];
889 break;
890 default:
891 break;
892 }
893
894 if (cur_size == 32) {
895 for (i = 0; i < size; i++) {
896 cr_data->bak[j] = (u32) cr_data->data[i];
897 cr_data->bak[j + 1] = ~cr_data->bak[j];
898 j += 2;
899 }
900 } else {
901 for (i = 0; i < size; i++) {
902 cr_data->bak[j] = (u32) cr_data->data[i];
903 cr_data->bak[j + 1] = 0x0;
904 cr_data->bak[j + 2] = ~cr_data->bak[j];
905 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
906 j += 4;
907 }
908 }
909
910 memcpy_toio(viafbinfo->screen_base + viapar->shared->
911 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
912 kfree(cr_data);
913 }
914
915 if (cursor->enable)
916 viafb_show_hw_cursor(info, HW_Cursor_ON);
917
918 return 0;
919 }
920
921 static int viafb_sync(struct fb_info *info)
922 {
923 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
924 viafb_wait_engine_idle(info);
925 return 0;
926 }
927
928 static int get_primary_device(void)
929 {
930 int primary_device = 0;
931 /* Rule: device on iga1 path are the primary device. */
932 if (viafb_SAMM_ON) {
933 if (viafb_CRT_ON) {
934 if (viaparinfo->shared->iga1_devices & VIA_CRT) {
935 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1);
936 primary_device = CRT_Device;
937 }
938 }
939 if (viafb_DVI_ON) {
940 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
941 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
942 viaparinfo->
943 tmds_setting_info->iga_path);
944 primary_device = DVI_Device;
945 }
946 }
947 if (viafb_LCD_ON) {
948 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
949 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
950 viaparinfo->
951 lvds_setting_info->iga_path);
952 primary_device = LCD_Device;
953 }
954 }
955 if (viafb_LCD2_ON) {
956 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
957 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
958 viaparinfo->
959 lvds_setting_info2->iga_path);
960 primary_device = LCD2_Device;
961 }
962 }
963 }
964 return primary_device;
965 }
966
967 static void retrieve_device_setting(struct viafb_ioctl_setting
968 *setting_info)
969 {
970
971 /* get device status */
972 if (viafb_CRT_ON == 1)
973 setting_info->device_status = CRT_Device;
974 if (viafb_DVI_ON == 1)
975 setting_info->device_status |= DVI_Device;
976 if (viafb_LCD_ON == 1)
977 setting_info->device_status |= LCD_Device;
978 if (viafb_LCD2_ON == 1)
979 setting_info->device_status |= LCD2_Device;
980
981 setting_info->samm_status = viafb_SAMM_ON;
982 setting_info->primary_device = get_primary_device();
983
984 setting_info->first_dev_bpp = viafb_bpp;
985 setting_info->second_dev_bpp = viafb_bpp1;
986
987 setting_info->first_dev_refresh = viafb_refresh;
988 setting_info->second_dev_refresh = viafb_refresh1;
989
990 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
991 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
992 setting_info->second_dev_hor_res = viafb_second_xres;
993 setting_info->second_dev_ver_res = viafb_second_yres;
994
995 /* Get lcd attributes */
996 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
997 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
998 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
999 }
1000
1001 static int __init parse_active_dev(void)
1002 {
1003 viafb_CRT_ON = STATE_OFF;
1004 viafb_DVI_ON = STATE_OFF;
1005 viafb_LCD_ON = STATE_OFF;
1006 viafb_LCD2_ON = STATE_OFF;
1007 /* 1. Modify the active status of devices. */
1008 /* 2. Keep the order of devices, so we can set corresponding
1009 IGA path to devices in SAMM case. */
1010 /* Note: The previous of active_dev is primary device,
1011 and the following is secondary device. */
1012 if (!viafb_active_dev) {
1013 if (machine_is_olpc()) { /* LCD only */
1014 viafb_LCD_ON = STATE_ON;
1015 viafb_SAMM_ON = STATE_OFF;
1016 } else {
1017 viafb_CRT_ON = STATE_ON;
1018 viafb_SAMM_ON = STATE_OFF;
1019 }
1020 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1021 /* CRT+DVI */
1022 viafb_CRT_ON = STATE_ON;
1023 viafb_DVI_ON = STATE_ON;
1024 viafb_primary_dev = CRT_Device;
1025 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1026 /* DVI+CRT */
1027 viafb_CRT_ON = STATE_ON;
1028 viafb_DVI_ON = STATE_ON;
1029 viafb_primary_dev = DVI_Device;
1030 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1031 /* CRT+LCD */
1032 viafb_CRT_ON = STATE_ON;
1033 viafb_LCD_ON = STATE_ON;
1034 viafb_primary_dev = CRT_Device;
1035 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1036 /* LCD+CRT */
1037 viafb_CRT_ON = STATE_ON;
1038 viafb_LCD_ON = STATE_ON;
1039 viafb_primary_dev = LCD_Device;
1040 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1041 /* DVI+LCD */
1042 viafb_DVI_ON = STATE_ON;
1043 viafb_LCD_ON = STATE_ON;
1044 viafb_primary_dev = DVI_Device;
1045 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1046 /* LCD+DVI */
1047 viafb_DVI_ON = STATE_ON;
1048 viafb_LCD_ON = STATE_ON;
1049 viafb_primary_dev = LCD_Device;
1050 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1051 viafb_LCD_ON = STATE_ON;
1052 viafb_LCD2_ON = STATE_ON;
1053 viafb_primary_dev = LCD_Device;
1054 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1055 viafb_LCD_ON = STATE_ON;
1056 viafb_LCD2_ON = STATE_ON;
1057 viafb_primary_dev = LCD2_Device;
1058 } else if (!strcmp(viafb_active_dev, "CRT")) {
1059 /* CRT only */
1060 viafb_CRT_ON = STATE_ON;
1061 viafb_SAMM_ON = STATE_OFF;
1062 } else if (!strcmp(viafb_active_dev, "DVI")) {
1063 /* DVI only */
1064 viafb_DVI_ON = STATE_ON;
1065 viafb_SAMM_ON = STATE_OFF;
1066 } else if (!strcmp(viafb_active_dev, "LCD")) {
1067 /* LCD only */
1068 viafb_LCD_ON = STATE_ON;
1069 viafb_SAMM_ON = STATE_OFF;
1070 } else
1071 return -EINVAL;
1072
1073 return 0;
1074 }
1075
1076 static int parse_port(char *opt_str, int *output_interface)
1077 {
1078 if (!strncmp(opt_str, "DVP0", 4))
1079 *output_interface = INTERFACE_DVP0;
1080 else if (!strncmp(opt_str, "DVP1", 4))
1081 *output_interface = INTERFACE_DVP1;
1082 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1083 *output_interface = INTERFACE_DFP;
1084 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1085 *output_interface = INTERFACE_DFP_HIGH;
1086 else if (!strncmp(opt_str, "DFP_LOW", 7))
1087 *output_interface = INTERFACE_DFP_LOW;
1088 else
1089 *output_interface = INTERFACE_NONE;
1090 return 0;
1091 }
1092
1093 static void parse_lcd_port(void)
1094 {
1095 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1096 output_interface);
1097 /*Initialize to avoid unexpected behavior */
1098 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1099 INTERFACE_NONE;
1100
1101 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1102 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1103 output_interface);
1104 }
1105
1106 static void parse_dvi_port(void)
1107 {
1108 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1109 output_interface);
1110
1111 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1112 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1113 output_interface);
1114 }
1115
1116 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1117
1118 /*
1119 * The proc filesystem read/write function, a simple proc implement to
1120 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1121 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1122 * CR9B, SR65, CR97, CR99
1123 */
1124 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1125 {
1126 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1127 dvp0_data_dri =
1128 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1129 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1130 dvp0_clk_dri =
1131 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1132 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1133 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1134 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1135 return 0;
1136 }
1137
1138 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1139 {
1140 return single_open(file, viafb_dvp0_proc_show, NULL);
1141 }
1142
1143 static ssize_t viafb_dvp0_proc_write(struct file *file,
1144 const char __user *buffer, size_t count, loff_t *pos)
1145 {
1146 char buf[20], *value, *pbuf;
1147 u8 reg_val = 0;
1148 unsigned long length, i;
1149 if (count < 1)
1150 return -EINVAL;
1151 length = count > 20 ? 20 : count;
1152 if (copy_from_user(&buf[0], buffer, length))
1153 return -EFAULT;
1154 buf[length - 1] = '\0'; /*Ensure end string */
1155 pbuf = &buf[0];
1156 for (i = 0; i < 3; i++) {
1157 value = strsep(&pbuf, " ");
1158 if (value != NULL) {
1159 if (kstrtou8(value, 0, &reg_val) < 0)
1160 return -EINVAL;
1161 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1162 reg_val);
1163 switch (i) {
1164 case 0:
1165 viafb_write_reg_mask(CR96, VIACR,
1166 reg_val, 0x0f);
1167 break;
1168 case 1:
1169 viafb_write_reg_mask(SR2A, VIASR,
1170 reg_val << 4, BIT5);
1171 viafb_write_reg_mask(SR1B, VIASR,
1172 reg_val << 1, BIT1);
1173 break;
1174 case 2:
1175 viafb_write_reg_mask(SR2A, VIASR,
1176 reg_val << 3, BIT4);
1177 viafb_write_reg_mask(SR1E, VIASR,
1178 reg_val << 2, BIT2);
1179 break;
1180 default:
1181 break;
1182 }
1183 } else {
1184 break;
1185 }
1186 }
1187 return count;
1188 }
1189
1190 static const struct file_operations viafb_dvp0_proc_fops = {
1191 .owner = THIS_MODULE,
1192 .open = viafb_dvp0_proc_open,
1193 .read = seq_read,
1194 .llseek = seq_lseek,
1195 .release = single_release,
1196 .write = viafb_dvp0_proc_write,
1197 };
1198
1199 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1200 {
1201 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1202 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1203 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1204 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1205 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1206 return 0;
1207 }
1208
1209 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1210 {
1211 return single_open(file, viafb_dvp1_proc_show, NULL);
1212 }
1213
1214 static ssize_t viafb_dvp1_proc_write(struct file *file,
1215 const char __user *buffer, size_t count, loff_t *pos)
1216 {
1217 char buf[20], *value, *pbuf;
1218 u8 reg_val = 0;
1219 unsigned long length, i;
1220 if (count < 1)
1221 return -EINVAL;
1222 length = count > 20 ? 20 : count;
1223 if (copy_from_user(&buf[0], buffer, length))
1224 return -EFAULT;
1225 buf[length - 1] = '\0'; /*Ensure end string */
1226 pbuf = &buf[0];
1227 for (i = 0; i < 3; i++) {
1228 value = strsep(&pbuf, " ");
1229 if (value != NULL) {
1230 if (kstrtou8(value, 0, &reg_val) < 0)
1231 return -EINVAL;
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 int err;
1281 u8 reg_val;
1282 err = kstrtou8_from_user(buffer, count, 0, &reg_val);
1283 if (err)
1284 return err;
1285
1286 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1287 return count;
1288 }
1289
1290 static const struct file_operations viafb_dfph_proc_fops = {
1291 .owner = THIS_MODULE,
1292 .open = viafb_dfph_proc_open,
1293 .read = seq_read,
1294 .llseek = seq_lseek,
1295 .release = single_release,
1296 .write = viafb_dfph_proc_write,
1297 };
1298
1299 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1300 {
1301 u8 dfp_low = 0;
1302 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1303 seq_printf(m, "%x\n", dfp_low);
1304 return 0;
1305 }
1306
1307 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1308 {
1309 return single_open(file, viafb_dfpl_proc_show, NULL);
1310 }
1311
1312 static ssize_t viafb_dfpl_proc_write(struct file *file,
1313 const char __user *buffer, size_t count, loff_t *pos)
1314 {
1315 int err;
1316 u8 reg_val;
1317 err = kstrtou8_from_user(buffer, count, 0, &reg_val);
1318 if (err)
1319 return err;
1320
1321 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1322 return count;
1323 }
1324
1325 static const struct file_operations viafb_dfpl_proc_fops = {
1326 .owner = THIS_MODULE,
1327 .open = viafb_dfpl_proc_open,
1328 .read = seq_read,
1329 .llseek = seq_lseek,
1330 .release = single_release,
1331 .write = viafb_dfpl_proc_write,
1332 };
1333
1334 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1335 {
1336 u8 vt1636_08 = 0, vt1636_09 = 0;
1337 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1338 case VT1636_LVDS:
1339 vt1636_08 =
1340 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1341 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1342 vt1636_09 =
1343 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1344 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1345 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1346 break;
1347 default:
1348 break;
1349 }
1350 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1351 case VT1636_LVDS:
1352 vt1636_08 =
1353 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1354 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1355 vt1636_09 =
1356 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1357 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1358 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1359 break;
1360 default:
1361 break;
1362 }
1363 return 0;
1364 }
1365
1366 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1367 {
1368 return single_open(file, viafb_vt1636_proc_show, NULL);
1369 }
1370
1371 static ssize_t viafb_vt1636_proc_write(struct file *file,
1372 const char __user *buffer, size_t count, loff_t *pos)
1373 {
1374 char buf[30], *value, *pbuf;
1375 struct IODATA reg_val;
1376 unsigned long length, i;
1377 if (count < 1)
1378 return -EINVAL;
1379 length = count > 30 ? 30 : count;
1380 if (copy_from_user(&buf[0], buffer, length))
1381 return -EFAULT;
1382 buf[length - 1] = '\0'; /*Ensure end string */
1383 pbuf = &buf[0];
1384 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1385 case VT1636_LVDS:
1386 for (i = 0; i < 2; i++) {
1387 value = strsep(&pbuf, " ");
1388 if (value != NULL) {
1389 if (kstrtou8(value, 0, &reg_val.Data) < 0)
1390 return -EINVAL;
1391 switch (i) {
1392 case 0:
1393 reg_val.Index = 0x08;
1394 reg_val.Mask = 0x0f;
1395 viafb_gpio_i2c_write_mask_lvds
1396 (viaparinfo->lvds_setting_info,
1397 &viaparinfo->
1398 chip_info->lvds_chip_info,
1399 reg_val);
1400 break;
1401 case 1:
1402 reg_val.Index = 0x09;
1403 reg_val.Mask = 0x1f;
1404 viafb_gpio_i2c_write_mask_lvds
1405 (viaparinfo->lvds_setting_info,
1406 &viaparinfo->
1407 chip_info->lvds_chip_info,
1408 reg_val);
1409 break;
1410 default:
1411 break;
1412 }
1413 } else {
1414 break;
1415 }
1416 }
1417 break;
1418 default:
1419 break;
1420 }
1421 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1422 case VT1636_LVDS:
1423 for (i = 0; i < 2; i++) {
1424 value = strsep(&pbuf, " ");
1425 if (value != NULL) {
1426 if (kstrtou8(value, 0, &reg_val.Data) < 0)
1427 return -EINVAL;
1428 switch (i) {
1429 case 0:
1430 reg_val.Index = 0x08;
1431 reg_val.Mask = 0x0f;
1432 viafb_gpio_i2c_write_mask_lvds
1433 (viaparinfo->lvds_setting_info2,
1434 &viaparinfo->
1435 chip_info->lvds_chip_info2,
1436 reg_val);
1437 break;
1438 case 1:
1439 reg_val.Index = 0x09;
1440 reg_val.Mask = 0x1f;
1441 viafb_gpio_i2c_write_mask_lvds
1442 (viaparinfo->lvds_setting_info2,
1443 &viaparinfo->
1444 chip_info->lvds_chip_info2,
1445 reg_val);
1446 break;
1447 default:
1448 break;
1449 }
1450 } else {
1451 break;
1452 }
1453 }
1454 break;
1455 default:
1456 break;
1457 }
1458 return count;
1459 }
1460
1461 static const struct file_operations viafb_vt1636_proc_fops = {
1462 .owner = THIS_MODULE,
1463 .open = viafb_vt1636_proc_open,
1464 .read = seq_read,
1465 .llseek = seq_lseek,
1466 .release = single_release,
1467 .write = viafb_vt1636_proc_write,
1468 };
1469
1470 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1471
1472 static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1473 {
1474 via_odev_to_seq(m, supported_odev_map[
1475 viaparinfo->shared->chip_info.gfx_chip_name]);
1476 return 0;
1477 }
1478
1479 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1480 {
1481 char buf[64], *ptr = buf;
1482 u32 devices;
1483 bool add, sub;
1484
1485 if (count < 1 || count > 63)
1486 return -EINVAL;
1487 if (copy_from_user(&buf[0], buffer, count))
1488 return -EFAULT;
1489 buf[count] = '\0';
1490 add = buf[0] == '+';
1491 sub = buf[0] == '-';
1492 if (add || sub)
1493 ptr++;
1494 devices = via_parse_odev(ptr, &ptr);
1495 if (*ptr == '\n')
1496 ptr++;
1497 if (*ptr != 0)
1498 return -EINVAL;
1499 if (add)
1500 *odev |= devices;
1501 else if (sub)
1502 *odev &= ~devices;
1503 else
1504 *odev = devices;
1505 return count;
1506 }
1507
1508 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1509 {
1510 via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1511 return 0;
1512 }
1513
1514 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1515 {
1516 return single_open(file, viafb_iga1_odev_proc_show, NULL);
1517 }
1518
1519 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1520 const char __user *buffer, size_t count, loff_t *pos)
1521 {
1522 u32 dev_on, dev_off, dev_old, dev_new;
1523 ssize_t res;
1524
1525 dev_old = dev_new = viaparinfo->shared->iga1_devices;
1526 res = odev_update(buffer, count, &dev_new);
1527 if (res != count)
1528 return res;
1529 dev_off = dev_old & ~dev_new;
1530 dev_on = dev_new & ~dev_old;
1531 viaparinfo->shared->iga1_devices = dev_new;
1532 viaparinfo->shared->iga2_devices &= ~dev_new;
1533 via_set_state(dev_off, VIA_STATE_OFF);
1534 via_set_source(dev_new, IGA1);
1535 via_set_state(dev_on, VIA_STATE_ON);
1536 return res;
1537 }
1538
1539 static const struct file_operations viafb_iga1_odev_proc_fops = {
1540 .owner = THIS_MODULE,
1541 .open = viafb_iga1_odev_proc_open,
1542 .read = seq_read,
1543 .llseek = seq_lseek,
1544 .release = single_release,
1545 .write = viafb_iga1_odev_proc_write,
1546 };
1547
1548 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1549 {
1550 via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1551 return 0;
1552 }
1553
1554 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1555 {
1556 return single_open(file, viafb_iga2_odev_proc_show, NULL);
1557 }
1558
1559 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1560 const char __user *buffer, size_t count, loff_t *pos)
1561 {
1562 u32 dev_on, dev_off, dev_old, dev_new;
1563 ssize_t res;
1564
1565 dev_old = dev_new = viaparinfo->shared->iga2_devices;
1566 res = odev_update(buffer, count, &dev_new);
1567 if (res != count)
1568 return res;
1569 dev_off = dev_old & ~dev_new;
1570 dev_on = dev_new & ~dev_old;
1571 viaparinfo->shared->iga2_devices = dev_new;
1572 viaparinfo->shared->iga1_devices &= ~dev_new;
1573 via_set_state(dev_off, VIA_STATE_OFF);
1574 via_set_source(dev_new, IGA2);
1575 via_set_state(dev_on, VIA_STATE_ON);
1576 return res;
1577 }
1578
1579 static const struct file_operations viafb_iga2_odev_proc_fops = {
1580 .owner = THIS_MODULE,
1581 .open = viafb_iga2_odev_proc_open,
1582 .read = seq_read,
1583 .llseek = seq_lseek,
1584 .release = single_release,
1585 .write = viafb_iga2_odev_proc_write,
1586 };
1587
1588 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1589 static void viafb_init_proc(struct viafb_shared *shared)
1590 {
1591 struct proc_dir_entry *iga1_entry, *iga2_entry,
1592 *viafb_entry = proc_mkdir("viafb", NULL);
1593
1594 shared->proc_entry = viafb_entry;
1595 if (viafb_entry) {
1596 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1597 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
1598 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
1599 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
1600 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
1601 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1602 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1603 proc_create("vt1636", 0, viafb_entry,
1604 &viafb_vt1636_proc_fops);
1605 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1606
1607 proc_create_single("supported_output_devices", 0, viafb_entry,
1608 viafb_sup_odev_proc_show);
1609 iga1_entry = proc_mkdir("iga1", viafb_entry);
1610 shared->iga1_proc_entry = iga1_entry;
1611 proc_create("output_devices", 0, iga1_entry,
1612 &viafb_iga1_odev_proc_fops);
1613 iga2_entry = proc_mkdir("iga2", viafb_entry);
1614 shared->iga2_proc_entry = iga2_entry;
1615 proc_create("output_devices", 0, iga2_entry,
1616 &viafb_iga2_odev_proc_fops);
1617 }
1618 }
1619 static void viafb_remove_proc(struct viafb_shared *shared)
1620 {
1621 struct proc_dir_entry *viafb_entry = shared->proc_entry;
1622
1623 if (!viafb_entry)
1624 return;
1625
1626 remove_proc_entry("output_devices", shared->iga2_proc_entry);
1627 remove_proc_entry("iga2", viafb_entry);
1628 remove_proc_entry("output_devices", shared->iga1_proc_entry);
1629 remove_proc_entry("iga1", viafb_entry);
1630 remove_proc_entry("supported_output_devices", viafb_entry);
1631
1632 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1633 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1634 remove_proc_entry("dvp1", viafb_entry);
1635 remove_proc_entry("dfph", viafb_entry);
1636 remove_proc_entry("dfpl", viafb_entry);
1637 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1638 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1639 remove_proc_entry("vt1636", viafb_entry);
1640 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1641
1642 remove_proc_entry("viafb", NULL);
1643 }
1644 #undef IS_VT1636
1645
1646 static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres)
1647 {
1648 const struct fb_videomode *mode = NULL;
1649 char *ptr;
1650
1651 if (!str) {
1652 if (devices == VIA_CRT)
1653 mode = via_aux_get_preferred_mode(
1654 viaparinfo->shared->i2c_26);
1655 else if (devices == VIA_DVP1)
1656 mode = via_aux_get_preferred_mode(
1657 viaparinfo->shared->i2c_31);
1658
1659 if (mode) {
1660 *xres = mode->xres;
1661 *yres = mode->yres;
1662 } else if (machine_is_olpc()) {
1663 *xres = 1200;
1664 *yres = 900;
1665 } else {
1666 *xres = 640;
1667 *yres = 480;
1668 }
1669 return 0;
1670 }
1671
1672 *xres = simple_strtoul(str, &ptr, 10);
1673 if (ptr[0] != 'x')
1674 return -EINVAL;
1675
1676 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1677 if (ptr[0])
1678 return -EINVAL;
1679
1680 return 0;
1681 }
1682
1683
1684 #ifdef CONFIG_PM
1685 static int viafb_suspend(void *unused)
1686 {
1687 console_lock();
1688 fb_set_suspend(viafbinfo, 1);
1689 viafb_sync(viafbinfo);
1690 console_unlock();
1691
1692 return 0;
1693 }
1694
1695 static int viafb_resume(void *unused)
1696 {
1697 console_lock();
1698 if (viaparinfo->shared->vdev->engine_mmio)
1699 viafb_reset_engine(viaparinfo);
1700 viafb_set_par(viafbinfo);
1701 if (viafb_dual_fb)
1702 viafb_set_par(viafbinfo1);
1703 fb_set_suspend(viafbinfo, 0);
1704
1705 console_unlock();
1706 return 0;
1707 }
1708
1709 static struct viafb_pm_hooks viafb_fb_pm_hooks = {
1710 .suspend = viafb_suspend,
1711 .resume = viafb_resume
1712 };
1713
1714 #endif
1715
1716 static void i2c_bus_probe(struct viafb_shared *shared)
1717 {
1718 /* should be always CRT */
1719 printk(KERN_INFO "viafb: Probing I2C bus 0x26\n");
1720 shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26));
1721
1722 /* seems to be usually DVP1 */
1723 printk(KERN_INFO "viafb: Probing I2C bus 0x31\n");
1724 shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31));
1725
1726 /* FIXME: what is this? */
1727 if (!machine_is_olpc()) {
1728 printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n");
1729 shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C));
1730 }
1731
1732 printk(KERN_INFO "viafb: Finished I2C bus probing");
1733 }
1734
1735 static void i2c_bus_free(struct viafb_shared *shared)
1736 {
1737 via_aux_free(shared->i2c_26);
1738 via_aux_free(shared->i2c_31);
1739 via_aux_free(shared->i2c_2C);
1740 }
1741
1742 int via_fb_pci_probe(struct viafb_dev *vdev)
1743 {
1744 u32 default_xres, default_yres;
1745 struct fb_var_screeninfo default_var;
1746 int rc;
1747 u32 viafb_par_length;
1748
1749 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1750 memset(&default_var, 0, sizeof(default_var));
1751 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1752
1753 /* Allocate fb_info and ***_par here, also including some other needed
1754 * variables
1755 */
1756 viafbinfo = framebuffer_alloc(viafb_par_length +
1757 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1758 &vdev->pdev->dev);
1759 if (!viafbinfo) {
1760 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1761 return -ENOMEM;
1762 }
1763
1764 viaparinfo = (struct viafb_par *)viafbinfo->par;
1765 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1766 viaparinfo->shared->vdev = vdev;
1767 viaparinfo->vram_addr = 0;
1768 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1769 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1770 viaparinfo->lvds_setting_info2 =
1771 &viaparinfo->shared->lvds_setting_info2;
1772 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1773
1774 i2c_bus_probe(viaparinfo->shared);
1775 if (viafb_dual_fb)
1776 viafb_SAMM_ON = 1;
1777 parse_lcd_port();
1778 parse_dvi_port();
1779
1780 viafb_init_chip_info(vdev->chip_type);
1781 /*
1782 * The framebuffer will have been successfully mapped by
1783 * the core (or we'd not be here), but we still need to
1784 * set up our own accounting.
1785 */
1786 viaparinfo->fbmem = vdev->fbmem_start;
1787 viaparinfo->memsize = vdev->fbmem_len;
1788 viaparinfo->fbmem_free = viaparinfo->memsize;
1789 viaparinfo->fbmem_used = 0;
1790 viafbinfo->screen_base = vdev->fbmem;
1791
1792 viafbinfo->fix.mmio_start = vdev->engine_start;
1793 viafbinfo->fix.mmio_len = vdev->engine_len;
1794 viafbinfo->node = 0;
1795 viafbinfo->fbops = &viafb_ops;
1796 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1797
1798 viafbinfo->pseudo_palette = pseudo_pal;
1799 if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
1800 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1801 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1802 default_var.accel_flags = FB_ACCELF_TEXT;
1803 } else {
1804 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1805 default_var.accel_flags = 0;
1806 }
1807
1808 if (viafb_second_size && (viafb_second_size < 8)) {
1809 viafb_second_offset = viaparinfo->fbmem_free -
1810 viafb_second_size * 1024 * 1024;
1811 } else {
1812 viafb_second_size = 8;
1813 viafb_second_offset = viaparinfo->fbmem_free -
1814 viafb_second_size * 1024 * 1024;
1815 }
1816
1817 parse_mode(viafb_mode, viaparinfo->shared->iga1_devices,
1818 &default_xres, &default_yres);
1819 if (viafb_SAMM_ON == 1)
1820 parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices,
1821 &viafb_second_xres, &viafb_second_yres);
1822
1823 default_var.xres = default_xres;
1824 default_var.yres = default_yres;
1825 default_var.xres_virtual = default_xres;
1826 default_var.yres_virtual = default_yres;
1827 default_var.bits_per_pixel = viafb_bpp;
1828 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode(
1829 default_var.xres, default_var.yres, viafb_refresh));
1830 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1831 viafbinfo->var = default_var;
1832
1833 if (viafb_dual_fb) {
1834 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1835 &vdev->pdev->dev);
1836 if (!viafbinfo1) {
1837 printk(KERN_ERR
1838 "allocate the second framebuffer struct error\n");
1839 rc = -ENOMEM;
1840 goto out_fb_release;
1841 }
1842 viaparinfo1 = viafbinfo1->par;
1843 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1844 viaparinfo1->vram_addr = viafb_second_offset;
1845 viaparinfo1->memsize = viaparinfo->memsize -
1846 viafb_second_offset;
1847 viaparinfo->memsize = viafb_second_offset;
1848 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1849
1850 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1851 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1852 viaparinfo1->fbmem_used;
1853 viaparinfo->fbmem_free = viaparinfo->memsize;
1854 viaparinfo->fbmem_used = 0;
1855
1856 viaparinfo->iga_path = IGA1;
1857 viaparinfo1->iga_path = IGA2;
1858 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1859 viafbinfo1->par = viaparinfo1;
1860 viafbinfo1->screen_base = viafbinfo->screen_base +
1861 viafb_second_offset;
1862
1863 default_var.xres = viafb_second_xres;
1864 default_var.yres = viafb_second_yres;
1865 default_var.xres_virtual = viafb_second_xres;
1866 default_var.yres_virtual = viafb_second_yres;
1867 default_var.bits_per_pixel = viafb_bpp1;
1868 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode(
1869 default_var.xres, default_var.yres, viafb_refresh1));
1870
1871 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1872 viafb_check_var(&default_var, viafbinfo1);
1873 viafbinfo1->var = default_var;
1874 viafb_update_fix(viafbinfo1);
1875 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1876 &viafbinfo1->fix);
1877 }
1878
1879 viafb_check_var(&viafbinfo->var, viafbinfo);
1880 viafb_update_fix(viafbinfo);
1881 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1882 &viafbinfo->fix);
1883 default_var.activate = FB_ACTIVATE_NOW;
1884 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1885 if (rc)
1886 goto out_fb1_release;
1887
1888 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1889 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1890 rc = register_framebuffer(viafbinfo1);
1891 if (rc)
1892 goto out_dealloc_cmap;
1893 }
1894 rc = register_framebuffer(viafbinfo);
1895 if (rc)
1896 goto out_fb1_unreg_lcd_cle266;
1897
1898 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1899 || (viaparinfo->chip_info->gfx_chip_name !=
1900 UNICHROME_CLE266))) {
1901 rc = register_framebuffer(viafbinfo1);
1902 if (rc)
1903 goto out_fb_unreg;
1904 }
1905 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1906 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1907 default_var.yres, default_var.bits_per_pixel);
1908
1909 viafb_init_proc(viaparinfo->shared);
1910 viafb_init_dac(IGA2);
1911
1912 #ifdef CONFIG_PM
1913 viafb_pm_register(&viafb_fb_pm_hooks);
1914 #endif
1915 return 0;
1916
1917 out_fb_unreg:
1918 unregister_framebuffer(viafbinfo);
1919 out_fb1_unreg_lcd_cle266:
1920 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1921 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1922 unregister_framebuffer(viafbinfo1);
1923 out_dealloc_cmap:
1924 fb_dealloc_cmap(&viafbinfo->cmap);
1925 out_fb1_release:
1926 framebuffer_release(viafbinfo1);
1927 out_fb_release:
1928 i2c_bus_free(viaparinfo->shared);
1929 framebuffer_release(viafbinfo);
1930 return rc;
1931 }
1932
1933 void via_fb_pci_remove(struct pci_dev *pdev)
1934 {
1935 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1936 fb_dealloc_cmap(&viafbinfo->cmap);
1937 unregister_framebuffer(viafbinfo);
1938 if (viafb_dual_fb)
1939 unregister_framebuffer(viafbinfo1);
1940 viafb_remove_proc(viaparinfo->shared);
1941 i2c_bus_free(viaparinfo->shared);
1942 framebuffer_release(viafbinfo);
1943 if (viafb_dual_fb)
1944 framebuffer_release(viafbinfo1);
1945 }
1946
1947 #ifndef MODULE
1948 static int __init viafb_setup(void)
1949 {
1950 char *this_opt;
1951 char *options;
1952
1953 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1954
1955 if (fb_get_options("viafb", &options))
1956 return -ENODEV;
1957
1958 if (!options || !*options)
1959 return 0;
1960
1961 while ((this_opt = strsep(&options, ",")) != NULL) {
1962 if (!*this_opt)
1963 continue;
1964
1965 if (!strncmp(this_opt, "viafb_mode1=", 12)) {
1966 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1967 } else if (!strncmp(this_opt, "viafb_mode=", 11)) {
1968 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1969 } else if (!strncmp(this_opt, "viafb_bpp1=", 11)) {
1970 if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0)
1971 return -EINVAL;
1972 } else if (!strncmp(this_opt, "viafb_bpp=", 10)) {
1973 if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0)
1974 return -EINVAL;
1975 } else if (!strncmp(this_opt, "viafb_refresh1=", 15)) {
1976 if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0)
1977 return -EINVAL;
1978 } else if (!strncmp(this_opt, "viafb_refresh=", 14)) {
1979 if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0)
1980 return -EINVAL;
1981 } else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) {
1982 if (kstrtoint(this_opt + 21, 0,
1983 &viafb_lcd_dsp_method) < 0)
1984 return -EINVAL;
1985 } else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) {
1986 if (kstrtoint(this_opt + 19, 0,
1987 &viafb_lcd_panel_id) < 0)
1988 return -EINVAL;
1989 } else if (!strncmp(this_opt, "viafb_accel=", 12)) {
1990 if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0)
1991 return -EINVAL;
1992 } else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) {
1993 if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0)
1994 return -EINVAL;
1995 } else if (!strncmp(this_opt, "viafb_active_dev=", 17)) {
1996 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1997 } else if (!strncmp(this_opt,
1998 "viafb_display_hardware_layout=", 30)) {
1999 if (kstrtoint(this_opt + 30, 0,
2000 &viafb_display_hardware_layout) < 0)
2001 return -EINVAL;
2002 } else if (!strncmp(this_opt, "viafb_second_size=", 18)) {
2003 if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0)
2004 return -EINVAL;
2005 } else if (!strncmp(this_opt,
2006 "viafb_platform_epia_dvi=", 24)) {
2007 if (kstrtoint(this_opt + 24, 0,
2008 &viafb_platform_epia_dvi) < 0)
2009 return -EINVAL;
2010 } else if (!strncmp(this_opt,
2011 "viafb_device_lcd_dualedge=", 26)) {
2012 if (kstrtoint(this_opt + 26, 0,
2013 &viafb_device_lcd_dualedge) < 0)
2014 return -EINVAL;
2015 } else if (!strncmp(this_opt, "viafb_bus_width=", 16)) {
2016 if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0)
2017 return -EINVAL;
2018 } else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) {
2019 if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0)
2020 return -EINVAL;
2021 } else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) {
2022 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2023 } else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) {
2024 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2025 }
2026 }
2027 return 0;
2028 }
2029 #endif
2030
2031 /*
2032 * These are called out of via-core for now.
2033 */
2034 int __init viafb_init(void)
2035 {
2036 u32 dummy_x, dummy_y;
2037 int r = 0;
2038
2039 if (machine_is_olpc())
2040 /* Apply XO-1.5-specific configuration. */
2041 viafb_lcd_panel_id = 23;
2042
2043 #ifndef MODULE
2044 r = viafb_setup();
2045 if (r < 0)
2046 return r;
2047 #endif
2048 if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y)
2049 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh)
2050 || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y)
2051 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1)
2052 || viafb_bpp < 0 || viafb_bpp > 32
2053 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2054 || parse_active_dev())
2055 return -EINVAL;
2056
2057 printk(KERN_INFO
2058 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n",
2059 VERSION_MAJOR, VERSION_MINOR);
2060 return r;
2061 }
2062
2063 void __exit viafb_exit(void)
2064 {
2065 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2066 }
2067
2068 static struct fb_ops viafb_ops = {
2069 .owner = THIS_MODULE,
2070 .fb_open = viafb_open,
2071 .fb_release = viafb_release,
2072 .fb_check_var = viafb_check_var,
2073 .fb_set_par = viafb_set_par,
2074 .fb_setcolreg = viafb_setcolreg,
2075 .fb_pan_display = viafb_pan_display,
2076 .fb_blank = viafb_blank,
2077 .fb_fillrect = viafb_fillrect,
2078 .fb_copyarea = viafb_copyarea,
2079 .fb_imageblit = viafb_imageblit,
2080 .fb_cursor = viafb_cursor,
2081 .fb_ioctl = viafb_ioctl,
2082 .fb_sync = viafb_sync,
2083 };
2084
2085
2086 #ifdef MODULE
2087 module_param(viafb_mode, charp, S_IRUSR);
2088 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2089
2090 module_param(viafb_mode1, charp, S_IRUSR);
2091 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2092
2093 module_param(viafb_bpp, int, S_IRUSR);
2094 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2095
2096 module_param(viafb_bpp1, int, S_IRUSR);
2097 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2098
2099 module_param(viafb_refresh, int, S_IRUSR);
2100 MODULE_PARM_DESC(viafb_refresh,
2101 "Set CRT viafb_refresh rate (default = 60)");
2102
2103 module_param(viafb_refresh1, int, S_IRUSR);
2104 MODULE_PARM_DESC(viafb_refresh1,
2105 "Set CRT refresh rate (default = 60)");
2106
2107 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2108 MODULE_PARM_DESC(viafb_lcd_panel_id,
2109 "Set Flat Panel type(Default=1024x768)");
2110
2111 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2112 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2113 "Set Flat Panel display scaling method.(Default=Expandsion)");
2114
2115 module_param(viafb_SAMM_ON, int, S_IRUSR);
2116 MODULE_PARM_DESC(viafb_SAMM_ON,
2117 "Turn on/off flag of SAMM(Default=OFF)");
2118
2119 module_param(viafb_accel, int, S_IRUSR);
2120 MODULE_PARM_DESC(viafb_accel,
2121 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2122
2123 module_param(viafb_active_dev, charp, S_IRUSR);
2124 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2125
2126 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2127 MODULE_PARM_DESC(viafb_display_hardware_layout,
2128 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2129
2130 module_param(viafb_second_size, int, S_IRUSR);
2131 MODULE_PARM_DESC(viafb_second_size,
2132 "Set secondary device memory size");
2133
2134 module_param(viafb_dual_fb, int, S_IRUSR);
2135 MODULE_PARM_DESC(viafb_dual_fb,
2136 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2137
2138 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2139 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2140 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2141
2142 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2143 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2144 "Turn on/off flag of dual edge panel.(Default = OFF)");
2145
2146 module_param(viafb_bus_width, int, S_IRUSR);
2147 MODULE_PARM_DESC(viafb_bus_width,
2148 "Set bus width of panel.(Default = 12)");
2149
2150 module_param(viafb_lcd_mode, int, S_IRUSR);
2151 MODULE_PARM_DESC(viafb_lcd_mode,
2152 "Set Flat Panel mode(Default=OPENLDI)");
2153
2154 module_param(viafb_lcd_port, charp, S_IRUSR);
2155 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2156
2157 module_param(viafb_dvi_port, charp, S_IRUSR);
2158 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2159
2160 MODULE_LICENSE("GPL");
2161 #endif
Linux with added FPC-III support