1 /*
2 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22 #include <linux/module.h>
23 #include <linux/seq_file.h>
24 #include <linux/slab.h>
25 #include <linux/stat.h>
26 #include <linux/via-core.h>
27
28 #define _MASTER_FILE
29 #include "global.h"
30
31 static char *viafb_name = "Via";
32 static u32 pseudo_pal[17];
33
34 /* video mode */
35 static char *viafb_mode;
36 static char *viafb_mode1;
37 static int viafb_bpp = 32;
38 static int viafb_bpp1 = 32;
39
40 static unsigned int viafb_second_offset;
41 static int viafb_second_size;
42
43 static int viafb_accel = 1;
44
45 /* Added for specifying active devices.*/
46 static char *viafb_active_dev;
47
48 /*Added for specify lcd output port*/
49 static char *viafb_lcd_port = "";
50 static char *viafb_dvi_port = "";
51
52 static void retrieve_device_setting(struct viafb_ioctl_setting
53 *setting_info);
54 static int viafb_pan_display(struct fb_var_screeninfo *var,
55 struct fb_info *info);
56
57 static struct fb_ops viafb_ops;
58
59 /* supported output devices on each IGP
60 * only CX700, VX800, VX855, VX900 were documented
61 * VIA_CRT should be everywhere
62 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
63 * source selection on CX700 and later
64 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
65 */
66 static const u32 supported_odev_map[] = {
67 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1,
68 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
69 | VIA_LVDS2,
70 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
71 | VIA_LVDS2,
72 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
73 | VIA_LVDS2,
74 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
75 | VIA_LVDS2,
76 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
77 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
78 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
79 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
80 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
81 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
82 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
83 [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
84 };
85
viafb_fill_var_color_info(struct fb_var_screeninfo * var,u8 depth)86 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
87 {
88 var->grayscale = 0;
89 var->red.msb_right = 0;
90 var->green.msb_right = 0;
91 var->blue.msb_right = 0;
92 var->transp.offset = 0;
93 var->transp.length = 0;
94 var->transp.msb_right = 0;
95 var->nonstd = 0;
96 switch (depth) {
97 case 8:
98 var->bits_per_pixel = 8;
99 var->red.offset = 0;
100 var->green.offset = 0;
101 var->blue.offset = 0;
102 var->red.length = 8;
103 var->green.length = 8;
104 var->blue.length = 8;
105 break;
106 case 15:
107 var->bits_per_pixel = 16;
108 var->red.offset = 10;
109 var->green.offset = 5;
110 var->blue.offset = 0;
111 var->red.length = 5;
112 var->green.length = 5;
113 var->blue.length = 5;
114 break;
115 case 16:
116 var->bits_per_pixel = 16;
117 var->red.offset = 11;
118 var->green.offset = 5;
119 var->blue.offset = 0;
120 var->red.length = 5;
121 var->green.length = 6;
122 var->blue.length = 5;
123 break;
124 case 24:
125 var->bits_per_pixel = 32;
126 var->red.offset = 16;
127 var->green.offset = 8;
128 var->blue.offset = 0;
129 var->red.length = 8;
130 var->green.length = 8;
131 var->blue.length = 8;
132 break;
133 case 30:
134 var->bits_per_pixel = 32;
135 var->red.offset = 20;
136 var->green.offset = 10;
137 var->blue.offset = 0;
138 var->red.length = 10;
139 var->green.length = 10;
140 var->blue.length = 10;
141 break;
142 }
143 }
144
viafb_update_fix(struct fb_info * info)145 static void viafb_update_fix(struct fb_info *info)
146 {
147 u32 bpp = info->var.bits_per_pixel;
148
149 info->fix.visual =
150 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
151 info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
152 }
153
viafb_setup_fixinfo(struct fb_fix_screeninfo * fix,struct viafb_par * viaparinfo)154 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
155 struct viafb_par *viaparinfo)
156 {
157 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
158 strcpy(fix->id, viafb_name);
159
160 fix->smem_start = viaparinfo->fbmem;
161 fix->smem_len = viaparinfo->fbmem_free;
162
163 fix->type = FB_TYPE_PACKED_PIXELS;
164 fix->type_aux = 0;
165 fix->visual = FB_VISUAL_TRUECOLOR;
166
167 fix->xpanstep = fix->ywrapstep = 0;
168 fix->ypanstep = 1;
169
170 /* Just tell the accel name */
171 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
172 }
viafb_open(struct fb_info * info,int user)173 static int viafb_open(struct fb_info *info, int user)
174 {
175 DEBUG_MSG(KERN_INFO "viafb_open!\n");
176 return 0;
177 }
178
viafb_release(struct fb_info * info,int user)179 static int viafb_release(struct fb_info *info, int user)
180 {
181 DEBUG_MSG(KERN_INFO "viafb_release!\n");
182 return 0;
183 }
184
get_var_refresh(struct fb_var_screeninfo * var)185 static inline int get_var_refresh(struct fb_var_screeninfo *var)
186 {
187 u32 htotal, vtotal;
188
189 htotal = var->left_margin + var->xres + var->right_margin
190 + var->hsync_len;
191 vtotal = var->upper_margin + var->yres + var->lower_margin
192 + var->vsync_len;
193 return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal);
194 }
195
viafb_check_var(struct fb_var_screeninfo * var,struct fb_info * info)196 static int viafb_check_var(struct fb_var_screeninfo *var,
197 struct fb_info *info)
198 {
199 int depth, refresh;
200 struct VideoModeTable *vmode_entry;
201 struct viafb_par *ppar = info->par;
202 u32 line;
203
204 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
205 /* Sanity check */
206 /* HW neither support interlacte nor double-scaned mode */
207 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
208 return -EINVAL;
209
210 vmode_entry = viafb_get_mode(var->xres, var->yres);
211 if (!vmode_entry) {
212 DEBUG_MSG(KERN_INFO
213 "viafb: Mode %dx%dx%d not supported!!\n",
214 var->xres, var->yres, var->bits_per_pixel);
215 return -EINVAL;
216 }
217
218 depth = fb_get_color_depth(var, &info->fix);
219 if (!depth)
220 depth = var->bits_per_pixel;
221
222 if (depth < 0 || depth > 32)
223 return -EINVAL;
224 else if (!depth)
225 depth = 24;
226 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
227 depth = 15;
228 else if (depth == 30)
229 depth = 30;
230 else if (depth <= 8)
231 depth = 8;
232 else if (depth <= 16)
233 depth = 16;
234 else
235 depth = 24;
236
237 viafb_fill_var_color_info(var, depth);
238 line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
239 if (line * var->yres_virtual > ppar->memsize)
240 return -EINVAL;
241
242 /* Based on var passed in to calculate the refresh,
243 * because our driver use some modes special.
244 */
245 refresh = viafb_get_refresh(var->xres, var->yres,
246 get_var_refresh(var));
247
248 /* Adjust var according to our driver's own table */
249 viafb_fill_var_timing_info(var, refresh, vmode_entry);
250 if (var->accel_flags & FB_ACCELF_TEXT &&
251 !ppar->shared->vdev->engine_mmio)
252 var->accel_flags = 0;
253
254 return 0;
255 }
256
viafb_set_par(struct fb_info * info)257 static int viafb_set_par(struct fb_info *info)
258 {
259 struct viafb_par *viapar = info->par;
260 struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
261 int refresh;
262 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
263
264 viafb_update_fix(info);
265 viapar->depth = fb_get_color_depth(&info->var, &info->fix);
266 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
267 viafbinfo->var.bits_per_pixel, 0);
268
269 vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
270 if (viafb_dual_fb) {
271 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
272 viafbinfo1->var.yres);
273 viafb_update_device_setting(viafbinfo1->var.xres,
274 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
275 1);
276 } else if (viafb_SAMM_ON == 1) {
277 DEBUG_MSG(KERN_INFO
278 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
279 viafb_second_xres, viafb_second_yres, viafb_bpp1);
280 vmode_entry1 = viafb_get_mode(viafb_second_xres,
281 viafb_second_yres);
282
283 viafb_update_device_setting(viafb_second_xres,
284 viafb_second_yres, viafb_bpp1, 1);
285 }
286
287 refresh = viafb_get_refresh(info->var.xres, info->var.yres,
288 get_var_refresh(&info->var));
289 if (vmode_entry) {
290 if (viafb_dual_fb && viapar->iga_path == IGA2) {
291 viafb_bpp1 = info->var.bits_per_pixel;
292 viafb_refresh1 = refresh;
293 } else {
294 viafb_bpp = info->var.bits_per_pixel;
295 viafb_refresh = refresh;
296 }
297
298 if (info->var.accel_flags & FB_ACCELF_TEXT)
299 info->flags &= ~FBINFO_HWACCEL_DISABLED;
300 else
301 info->flags |= FBINFO_HWACCEL_DISABLED;
302 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
303 vmode_entry1, viafb_bpp1);
304 viafb_pan_display(&info->var, info);
305 }
306
307 return 0;
308 }
309
310 /* Set one color register */
viafb_setcolreg(unsigned regno,unsigned red,unsigned green,unsigned blue,unsigned transp,struct fb_info * info)311 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
312 unsigned blue, unsigned transp, struct fb_info *info)
313 {
314 struct viafb_par *viapar = info->par;
315 u32 r, g, b;
316
317 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
318 if (regno > 255)
319 return -EINVAL;
320
321 if (!viafb_dual_fb || viapar->iga_path == IGA1)
322 viafb_set_primary_color_register(regno, red >> 8,
323 green >> 8, blue >> 8);
324
325 if (!viafb_dual_fb || viapar->iga_path == IGA2)
326 viafb_set_secondary_color_register(regno, red >> 8,
327 green >> 8, blue >> 8);
328 } else {
329 if (regno > 15)
330 return -EINVAL;
331
332 r = (red >> (16 - info->var.red.length))
333 << info->var.red.offset;
334 b = (blue >> (16 - info->var.blue.length))
335 << info->var.blue.offset;
336 g = (green >> (16 - info->var.green.length))
337 << info->var.green.offset;
338 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
339 }
340
341 return 0;
342 }
343
viafb_pan_display(struct fb_var_screeninfo * var,struct fb_info * info)344 static int viafb_pan_display(struct fb_var_screeninfo *var,
345 struct fb_info *info)
346 {
347 struct viafb_par *viapar = info->par;
348 u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
349 * (var->bits_per_pixel / 8) + viapar->vram_addr;
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
viafb_blank(int blank_mode,struct fb_info * info)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
viafb_ioctl(struct fb_info * info,u_int cmd,u_long arg)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_second_virtual_xres;
444 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
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(256 * sizeof(u32), GFP_KERNEL);
600 if (!viafb_gamma_table)
601 return -ENOMEM;
602 viafb_get_gamma_table(viafb_gamma_table);
603 if (copy_to_user(argp, viafb_gamma_table,
604 256 * sizeof(u32))) {
605 kfree(viafb_gamma_table);
606 return -EFAULT;
607 }
608 kfree(viafb_gamma_table);
609 break;
610
611 case VIAFB_GET_GAMMA_SUPPORT_STATE:
612 viafb_get_gamma_support_state(viafb_bpp, &state_info);
613 if (put_user(state_info, argp))
614 return -EFAULT;
615 break;
616 case VIAFB_SYNC_SURFACE:
617 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
618 break;
619 case VIAFB_GET_DRIVER_CAPS:
620 break;
621
622 case VIAFB_GET_PANEL_MAX_SIZE:
623 if (copy_from_user(&u.panel_pos_size_para, argp,
624 sizeof(u.panel_pos_size_para)))
625 return -EFAULT;
626 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
627 if (copy_to_user(argp, &u.panel_pos_size_para,
628 sizeof(u.panel_pos_size_para)))
629 return -EFAULT;
630 break;
631 case VIAFB_GET_PANEL_MAX_POSITION:
632 if (copy_from_user(&u.panel_pos_size_para, argp,
633 sizeof(u.panel_pos_size_para)))
634 return -EFAULT;
635 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
636 if (copy_to_user(argp, &u.panel_pos_size_para,
637 sizeof(u.panel_pos_size_para)))
638 return -EFAULT;
639 break;
640
641 case VIAFB_GET_PANEL_POSITION:
642 if (copy_from_user(&u.panel_pos_size_para, argp,
643 sizeof(u.panel_pos_size_para)))
644 return -EFAULT;
645 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
646 if (copy_to_user(argp, &u.panel_pos_size_para,
647 sizeof(u.panel_pos_size_para)))
648 return -EFAULT;
649 break;
650 case VIAFB_GET_PANEL_SIZE:
651 if (copy_from_user(&u.panel_pos_size_para, argp,
652 sizeof(u.panel_pos_size_para)))
653 return -EFAULT;
654 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
655 if (copy_to_user(argp, &u.panel_pos_size_para,
656 sizeof(u.panel_pos_size_para)))
657 return -EFAULT;
658 break;
659
660 case VIAFB_SET_PANEL_POSITION:
661 if (copy_from_user(&u.panel_pos_size_para, argp,
662 sizeof(u.panel_pos_size_para)))
663 return -EFAULT;
664 break;
665 case VIAFB_SET_PANEL_SIZE:
666 if (copy_from_user(&u.panel_pos_size_para, argp,
667 sizeof(u.panel_pos_size_para)))
668 return -EFAULT;
669 break;
670
671 default:
672 return -EINVAL;
673 }
674
675 return 0;
676 }
677
viafb_fillrect(struct fb_info * info,const struct fb_fillrect * rect)678 static void viafb_fillrect(struct fb_info *info,
679 const struct fb_fillrect *rect)
680 {
681 struct viafb_par *viapar = info->par;
682 struct viafb_shared *shared = viapar->shared;
683 u32 fg_color;
684 u8 rop;
685
686 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
687 cfb_fillrect(info, rect);
688 return;
689 }
690
691 if (!rect->width || !rect->height)
692 return;
693
694 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
695 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
696 else
697 fg_color = rect->color;
698
699 if (rect->rop == ROP_XOR)
700 rop = 0x5A;
701 else
702 rop = 0xF0;
703
704 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
705 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
706 rect->width, rect->height, info->var.bits_per_pixel,
707 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
708 NULL, 0, 0, 0, 0, fg_color, 0, rop))
709 cfb_fillrect(info, rect);
710 }
711
viafb_copyarea(struct fb_info * info,const struct fb_copyarea * area)712 static void viafb_copyarea(struct fb_info *info,
713 const struct fb_copyarea *area)
714 {
715 struct viafb_par *viapar = info->par;
716 struct viafb_shared *shared = viapar->shared;
717
718 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
719 cfb_copyarea(info, area);
720 return;
721 }
722
723 if (!area->width || !area->height)
724 return;
725
726 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
727 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
728 area->width, area->height, info->var.bits_per_pixel,
729 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
730 NULL, viapar->vram_addr, info->fix.line_length,
731 area->sx, area->sy, 0, 0, 0))
732 cfb_copyarea(info, area);
733 }
734
viafb_imageblit(struct fb_info * info,const struct fb_image * image)735 static void viafb_imageblit(struct fb_info *info,
736 const struct fb_image *image)
737 {
738 struct viafb_par *viapar = info->par;
739 struct viafb_shared *shared = viapar->shared;
740 u32 fg_color = 0, bg_color = 0;
741 u8 op;
742
743 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
744 (image->depth != 1 && image->depth != viapar->depth)) {
745 cfb_imageblit(info, image);
746 return;
747 }
748
749 if (image->depth == 1) {
750 op = VIA_BITBLT_MONO;
751 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
752 fg_color =
753 ((u32 *)info->pseudo_palette)[image->fg_color];
754 bg_color =
755 ((u32 *)info->pseudo_palette)[image->bg_color];
756 } else {
757 fg_color = image->fg_color;
758 bg_color = image->bg_color;
759 }
760 } else
761 op = VIA_BITBLT_COLOR;
762
763 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
764 if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
765 image->width, image->height, info->var.bits_per_pixel,
766 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
767 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
768 cfb_imageblit(info, image);
769 }
770
viafb_cursor(struct fb_info * info,struct fb_cursor * cursor)771 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
772 {
773 struct viafb_par *viapar = info->par;
774 void __iomem *engine = viapar->shared->vdev->engine_mmio;
775 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
776 chip_name = viapar->shared->chip_info.gfx_chip_name;
777 int i, j = 0, cur_size = 64;
778
779 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
780 return -ENODEV;
781
782 /* LCD ouput does not support hw cursors (at least on VN896) */
783 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
784 viafb_LCD_ON)
785 return -ENODEV;
786
787 viafb_show_hw_cursor(info, HW_Cursor_OFF);
788
789 if (cursor->set & FB_CUR_SETHOT) {
790 temp = (cursor->hot.x << 16) + cursor->hot.y;
791 writel(temp, engine + VIA_REG_CURSOR_ORG);
792 }
793
794 if (cursor->set & FB_CUR_SETPOS) {
795 yy = cursor->image.dy - info->var.yoffset;
796 xx = cursor->image.dx - info->var.xoffset;
797 temp = yy & 0xFFFF;
798 temp |= (xx << 16);
799 writel(temp, engine + VIA_REG_CURSOR_POS);
800 }
801
802 if (cursor->image.width <= 32 && cursor->image.height <= 32)
803 cur_size = 32;
804 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
805 cur_size = 64;
806 else {
807 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
808 "%dx%d", cursor->image.width, cursor->image.height);
809 return -ENXIO;
810 }
811
812 if (cursor->set & FB_CUR_SETSIZE) {
813 temp = readl(engine + VIA_REG_CURSOR_MODE);
814 if (cur_size == 32)
815 temp |= 0x2;
816 else
817 temp &= ~0x2;
818
819 writel(temp, engine + VIA_REG_CURSOR_MODE);
820 }
821
822 if (cursor->set & FB_CUR_SETCMAP) {
823 fg_color = cursor->image.fg_color;
824 bg_color = cursor->image.bg_color;
825 if (chip_name == UNICHROME_CX700 ||
826 chip_name == UNICHROME_VX800 ||
827 chip_name == UNICHROME_VX855 ||
828 chip_name == UNICHROME_VX900) {
829 fg_color =
830 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
831 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
832 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
833 bg_color =
834 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
835 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
836 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
837 } else {
838 fg_color =
839 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
840 (info->cmap.green[fg_color] & 0xFF00) |
841 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
842 bg_color =
843 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
844 (info->cmap.green[bg_color] & 0xFF00) |
845 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
846 }
847
848 writel(bg_color, engine + VIA_REG_CURSOR_BG);
849 writel(fg_color, engine + VIA_REG_CURSOR_FG);
850 }
851
852 if (cursor->set & FB_CUR_SETSHAPE) {
853 struct {
854 u8 data[CURSOR_SIZE];
855 u32 bak[CURSOR_SIZE / 4];
856 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
857 int size = ((cursor->image.width + 7) >> 3) *
858 cursor->image.height;
859
860 if (!cr_data)
861 return -ENOMEM;
862
863 if (cur_size == 32) {
864 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
865 cr_data->bak[i] = 0x0;
866 cr_data->bak[i + 1] = 0xFFFFFFFF;
867 i += 1;
868 }
869 } else {
870 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
871 cr_data->bak[i] = 0x0;
872 cr_data->bak[i + 1] = 0x0;
873 cr_data->bak[i + 2] = 0xFFFFFFFF;
874 cr_data->bak[i + 3] = 0xFFFFFFFF;
875 i += 3;
876 }
877 }
878
879 switch (cursor->rop) {
880 case ROP_XOR:
881 for (i = 0; i < size; i++)
882 cr_data->data[i] = cursor->mask[i];
883 break;
884 case ROP_COPY:
885
886 for (i = 0; i < size; i++)
887 cr_data->data[i] = cursor->mask[i];
888 break;
889 default:
890 break;
891 }
892
893 if (cur_size == 32) {
894 for (i = 0; i < size; i++) {
895 cr_data->bak[j] = (u32) cr_data->data[i];
896 cr_data->bak[j + 1] = ~cr_data->bak[j];
897 j += 2;
898 }
899 } else {
900 for (i = 0; i < size; i++) {
901 cr_data->bak[j] = (u32) cr_data->data[i];
902 cr_data->bak[j + 1] = 0x0;
903 cr_data->bak[j + 2] = ~cr_data->bak[j];
904 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
905 j += 4;
906 }
907 }
908
909 memcpy_toio(viafbinfo->screen_base + viapar->shared->
910 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
911 kfree(cr_data);
912 }
913
914 if (cursor->enable)
915 viafb_show_hw_cursor(info, HW_Cursor_ON);
916
917 return 0;
918 }
919
viafb_sync(struct fb_info * info)920 static int viafb_sync(struct fb_info *info)
921 {
922 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
923 viafb_wait_engine_idle(info);
924 return 0;
925 }
926
get_primary_device(void)927 static int get_primary_device(void)
928 {
929 int primary_device = 0;
930 /* Rule: device on iga1 path are the primary device. */
931 if (viafb_SAMM_ON) {
932 if (viafb_CRT_ON) {
933 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
934 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
935 viaparinfo->
936 crt_setting_info->iga_path);
937 primary_device = CRT_Device;
938 }
939 }
940 if (viafb_DVI_ON) {
941 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
942 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
943 viaparinfo->
944 tmds_setting_info->iga_path);
945 primary_device = DVI_Device;
946 }
947 }
948 if (viafb_LCD_ON) {
949 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
950 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
951 viaparinfo->
952 lvds_setting_info->iga_path);
953 primary_device = LCD_Device;
954 }
955 }
956 if (viafb_LCD2_ON) {
957 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
958 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
959 viaparinfo->
960 lvds_setting_info2->iga_path);
961 primary_device = LCD2_Device;
962 }
963 }
964 }
965 return primary_device;
966 }
967
retrieve_device_setting(struct viafb_ioctl_setting * setting_info)968 static void retrieve_device_setting(struct viafb_ioctl_setting
969 *setting_info)
970 {
971
972 /* get device status */
973 if (viafb_CRT_ON == 1)
974 setting_info->device_status = CRT_Device;
975 if (viafb_DVI_ON == 1)
976 setting_info->device_status |= DVI_Device;
977 if (viafb_LCD_ON == 1)
978 setting_info->device_status |= LCD_Device;
979 if (viafb_LCD2_ON == 1)
980 setting_info->device_status |= LCD2_Device;
981
982 setting_info->samm_status = viafb_SAMM_ON;
983 setting_info->primary_device = get_primary_device();
984
985 setting_info->first_dev_bpp = viafb_bpp;
986 setting_info->second_dev_bpp = viafb_bpp1;
987
988 setting_info->first_dev_refresh = viafb_refresh;
989 setting_info->second_dev_refresh = viafb_refresh1;
990
991 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
992 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
993 setting_info->second_dev_hor_res = viafb_second_xres;
994 setting_info->second_dev_ver_res = viafb_second_yres;
995
996 /* Get lcd attributes */
997 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
998 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
999 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1000 }
1001
parse_active_dev(void)1002 static int __init parse_active_dev(void)
1003 {
1004 viafb_CRT_ON = STATE_OFF;
1005 viafb_DVI_ON = STATE_OFF;
1006 viafb_LCD_ON = STATE_OFF;
1007 viafb_LCD2_ON = STATE_OFF;
1008 /* 1. Modify the active status of devices. */
1009 /* 2. Keep the order of devices, so we can set corresponding
1010 IGA path to devices in SAMM case. */
1011 /* Note: The previous of active_dev is primary device,
1012 and the following is secondary device. */
1013 if (!viafb_active_dev) {
1014 viafb_CRT_ON = STATE_ON;
1015 viafb_SAMM_ON = STATE_OFF;
1016 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1017 /* CRT+DVI */
1018 viafb_CRT_ON = STATE_ON;
1019 viafb_DVI_ON = STATE_ON;
1020 viafb_primary_dev = CRT_Device;
1021 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1022 /* DVI+CRT */
1023 viafb_CRT_ON = STATE_ON;
1024 viafb_DVI_ON = STATE_ON;
1025 viafb_primary_dev = DVI_Device;
1026 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1027 /* CRT+LCD */
1028 viafb_CRT_ON = STATE_ON;
1029 viafb_LCD_ON = STATE_ON;
1030 viafb_primary_dev = CRT_Device;
1031 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1032 /* LCD+CRT */
1033 viafb_CRT_ON = STATE_ON;
1034 viafb_LCD_ON = STATE_ON;
1035 viafb_primary_dev = LCD_Device;
1036 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1037 /* DVI+LCD */
1038 viafb_DVI_ON = STATE_ON;
1039 viafb_LCD_ON = STATE_ON;
1040 viafb_primary_dev = DVI_Device;
1041 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1042 /* LCD+DVI */
1043 viafb_DVI_ON = STATE_ON;
1044 viafb_LCD_ON = STATE_ON;
1045 viafb_primary_dev = LCD_Device;
1046 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1047 viafb_LCD_ON = STATE_ON;
1048 viafb_LCD2_ON = STATE_ON;
1049 viafb_primary_dev = LCD_Device;
1050 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1051 viafb_LCD_ON = STATE_ON;
1052 viafb_LCD2_ON = STATE_ON;
1053 viafb_primary_dev = LCD2_Device;
1054 } else if (!strcmp(viafb_active_dev, "CRT")) {
1055 /* CRT only */
1056 viafb_CRT_ON = STATE_ON;
1057 viafb_SAMM_ON = STATE_OFF;
1058 } else if (!strcmp(viafb_active_dev, "DVI")) {
1059 /* DVI only */
1060 viafb_DVI_ON = STATE_ON;
1061 viafb_SAMM_ON = STATE_OFF;
1062 } else if (!strcmp(viafb_active_dev, "LCD")) {
1063 /* LCD only */
1064 viafb_LCD_ON = STATE_ON;
1065 viafb_SAMM_ON = STATE_OFF;
1066 } else
1067 return -EINVAL;
1068
1069 return 0;
1070 }
1071
parse_port(char * opt_str,int * output_interface)1072 static int __devinit parse_port(char *opt_str, int *output_interface)
1073 {
1074 if (!strncmp(opt_str, "DVP0", 4))
1075 *output_interface = INTERFACE_DVP0;
1076 else if (!strncmp(opt_str, "DVP1", 4))
1077 *output_interface = INTERFACE_DVP1;
1078 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1079 *output_interface = INTERFACE_DFP;
1080 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1081 *output_interface = INTERFACE_DFP_HIGH;
1082 else if (!strncmp(opt_str, "DFP_LOW", 7))
1083 *output_interface = INTERFACE_DFP_LOW;
1084 else
1085 *output_interface = INTERFACE_NONE;
1086 return 0;
1087 }
1088
parse_lcd_port(void)1089 static void __devinit parse_lcd_port(void)
1090 {
1091 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1092 output_interface);
1093 /*Initialize to avoid unexpected behavior */
1094 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1095 INTERFACE_NONE;
1096
1097 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1098 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1099 output_interface);
1100 }
1101
parse_dvi_port(void)1102 static void __devinit parse_dvi_port(void)
1103 {
1104 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1105 output_interface);
1106
1107 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1108 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1109 output_interface);
1110 }
1111
1112 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1113
1114 /*
1115 * The proc filesystem read/write function, a simple proc implement to
1116 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1117 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1118 * CR9B, SR65, CR97, CR99
1119 */
viafb_dvp0_proc_show(struct seq_file * m,void * v)1120 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1121 {
1122 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1123 dvp0_data_dri =
1124 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1125 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1126 dvp0_clk_dri =
1127 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1128 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1129 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1130 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1131 return 0;
1132 }
1133
viafb_dvp0_proc_open(struct inode * inode,struct file * file)1134 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1135 {
1136 return single_open(file, viafb_dvp0_proc_show, NULL);
1137 }
1138
viafb_dvp0_proc_write(struct file * file,const char __user * buffer,size_t count,loff_t * pos)1139 static ssize_t viafb_dvp0_proc_write(struct file *file,
1140 const char __user *buffer, size_t count, loff_t *pos)
1141 {
1142 char buf[20], *value, *pbuf;
1143 u8 reg_val = 0;
1144 unsigned long length, i;
1145 if (count < 1)
1146 return -EINVAL;
1147 length = count > 20 ? 20 : count;
1148 if (copy_from_user(&buf[0], buffer, length))
1149 return -EFAULT;
1150 buf[length - 1] = '\0'; /*Ensure end string */
1151 pbuf = &buf[0];
1152 for (i = 0; i < 3; i++) {
1153 value = strsep(&pbuf, " ");
1154 if (value != NULL) {
1155 strict_strtoul(value, 0, (unsigned long *)®_val);
1156 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1157 reg_val);
1158 switch (i) {
1159 case 0:
1160 viafb_write_reg_mask(CR96, VIACR,
1161 reg_val, 0x0f);
1162 break;
1163 case 1:
1164 viafb_write_reg_mask(SR2A, VIASR,
1165 reg_val << 4, BIT5);
1166 viafb_write_reg_mask(SR1B, VIASR,
1167 reg_val << 1, BIT1);
1168 break;
1169 case 2:
1170 viafb_write_reg_mask(SR2A, VIASR,
1171 reg_val << 3, BIT4);
1172 viafb_write_reg_mask(SR1E, VIASR,
1173 reg_val << 2, BIT2);
1174 break;
1175 default:
1176 break;
1177 }
1178 } else {
1179 break;
1180 }
1181 }
1182 return count;
1183 }
1184
1185 static const struct file_operations viafb_dvp0_proc_fops = {
1186 .owner = THIS_MODULE,
1187 .open = viafb_dvp0_proc_open,
1188 .read = seq_read,
1189 .llseek = seq_lseek,
1190 .release = single_release,
1191 .write = viafb_dvp0_proc_write,
1192 };
1193
viafb_dvp1_proc_show(struct seq_file * m,void * v)1194 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1195 {
1196 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1197 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1198 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1199 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1200 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1201 return 0;
1202 }
1203
viafb_dvp1_proc_open(struct inode * inode,struct file * file)1204 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1205 {
1206 return single_open(file, viafb_dvp1_proc_show, NULL);
1207 }
1208
viafb_dvp1_proc_write(struct file * file,const char __user * buffer,size_t count,loff_t * pos)1209 static ssize_t viafb_dvp1_proc_write(struct file *file,
1210 const char __user *buffer, size_t count, loff_t *pos)
1211 {
1212 char buf[20], *value, *pbuf;
1213 u8 reg_val = 0;
1214 unsigned long length, i;
1215 if (count < 1)
1216 return -EINVAL;
1217 length = count > 20 ? 20 : count;
1218 if (copy_from_user(&buf[0], buffer, length))
1219 return -EFAULT;
1220 buf[length - 1] = '\0'; /*Ensure end string */
1221 pbuf = &buf[0];
1222 for (i = 0; i < 3; i++) {
1223 value = strsep(&pbuf, " ");
1224 if (value != NULL) {
1225 strict_strtoul(value, 0, (unsigned long *)®_val);
1226 switch (i) {
1227 case 0:
1228 viafb_write_reg_mask(CR9B, VIACR,
1229 reg_val, 0x0f);
1230 break;
1231 case 1:
1232 viafb_write_reg_mask(SR65, VIASR,
1233 reg_val << 2, 0x0c);
1234 break;
1235 case 2:
1236 viafb_write_reg_mask(SR65, VIASR,
1237 reg_val, 0x03);
1238 break;
1239 default:
1240 break;
1241 }
1242 } else {
1243 break;
1244 }
1245 }
1246 return count;
1247 }
1248
1249 static const struct file_operations viafb_dvp1_proc_fops = {
1250 .owner = THIS_MODULE,
1251 .open = viafb_dvp1_proc_open,
1252 .read = seq_read,
1253 .llseek = seq_lseek,
1254 .release = single_release,
1255 .write = viafb_dvp1_proc_write,
1256 };
1257
viafb_dfph_proc_show(struct seq_file * m,void * v)1258 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1259 {
1260 u8 dfp_high = 0;
1261 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1262 seq_printf(m, "%x\n", dfp_high);
1263 return 0;
1264 }
1265
viafb_dfph_proc_open(struct inode * inode,struct file * file)1266 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1267 {
1268 return single_open(file, viafb_dfph_proc_show, NULL);
1269 }
1270
viafb_dfph_proc_write(struct file * file,const char __user * buffer,size_t count,loff_t * pos)1271 static ssize_t viafb_dfph_proc_write(struct file *file,
1272 const char __user *buffer, size_t count, loff_t *pos)
1273 {
1274 char buf[20];
1275 u8 reg_val = 0;
1276 unsigned long length;
1277 if (count < 1)
1278 return -EINVAL;
1279 length = count > 20 ? 20 : count;
1280 if (copy_from_user(&buf[0], buffer, length))
1281 return -EFAULT;
1282 buf[length - 1] = '\0'; /*Ensure end string */
1283 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1284 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1285 return count;
1286 }
1287
1288 static const struct file_operations viafb_dfph_proc_fops = {
1289 .owner = THIS_MODULE,
1290 .open = viafb_dfph_proc_open,
1291 .read = seq_read,
1292 .llseek = seq_lseek,
1293 .release = single_release,
1294 .write = viafb_dfph_proc_write,
1295 };
1296
viafb_dfpl_proc_show(struct seq_file * m,void * v)1297 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1298 {
1299 u8 dfp_low = 0;
1300 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1301 seq_printf(m, "%x\n", dfp_low);
1302 return 0;
1303 }
1304
viafb_dfpl_proc_open(struct inode * inode,struct file * file)1305 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1306 {
1307 return single_open(file, viafb_dfpl_proc_show, NULL);
1308 }
1309
viafb_dfpl_proc_write(struct file * file,const char __user * buffer,size_t count,loff_t * pos)1310 static ssize_t viafb_dfpl_proc_write(struct file *file,
1311 const char __user *buffer, size_t count, loff_t *pos)
1312 {
1313 char buf[20];
1314 u8 reg_val = 0;
1315 unsigned long length;
1316 if (count < 1)
1317 return -EINVAL;
1318 length = count > 20 ? 20 : count;
1319 if (copy_from_user(&buf[0], buffer, length))
1320 return -EFAULT;
1321 buf[length - 1] = '\0'; /*Ensure end string */
1322 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1323 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1324 return count;
1325 }
1326
1327 static const struct file_operations viafb_dfpl_proc_fops = {
1328 .owner = THIS_MODULE,
1329 .open = viafb_dfpl_proc_open,
1330 .read = seq_read,
1331 .llseek = seq_lseek,
1332 .release = single_release,
1333 .write = viafb_dfpl_proc_write,
1334 };
1335
viafb_vt1636_proc_show(struct seq_file * m,void * v)1336 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1337 {
1338 u8 vt1636_08 = 0, vt1636_09 = 0;
1339 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1340 case VT1636_LVDS:
1341 vt1636_08 =
1342 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1343 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1344 vt1636_09 =
1345 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1346 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1347 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1348 break;
1349 default:
1350 break;
1351 }
1352 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1353 case VT1636_LVDS:
1354 vt1636_08 =
1355 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1356 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1357 vt1636_09 =
1358 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1359 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1360 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1361 break;
1362 default:
1363 break;
1364 }
1365 return 0;
1366 }
1367
viafb_vt1636_proc_open(struct inode * inode,struct file * file)1368 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1369 {
1370 return single_open(file, viafb_vt1636_proc_show, NULL);
1371 }
1372
viafb_vt1636_proc_write(struct file * file,const char __user * buffer,size_t count,loff_t * pos)1373 static ssize_t viafb_vt1636_proc_write(struct file *file,
1374 const char __user *buffer, size_t count, loff_t *pos)
1375 {
1376 char buf[30], *value, *pbuf;
1377 struct IODATA reg_val;
1378 unsigned long length, i;
1379 if (count < 1)
1380 return -EINVAL;
1381 length = count > 30 ? 30 : count;
1382 if (copy_from_user(&buf[0], buffer, length))
1383 return -EFAULT;
1384 buf[length - 1] = '\0'; /*Ensure end string */
1385 pbuf = &buf[0];
1386 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1387 case VT1636_LVDS:
1388 for (i = 0; i < 2; i++) {
1389 value = strsep(&pbuf, " ");
1390 if (value != NULL) {
1391 strict_strtoul(value, 0,
1392 (unsigned long *)®_val.Data);
1393 switch (i) {
1394 case 0:
1395 reg_val.Index = 0x08;
1396 reg_val.Mask = 0x0f;
1397 viafb_gpio_i2c_write_mask_lvds
1398 (viaparinfo->lvds_setting_info,
1399 &viaparinfo->
1400 chip_info->lvds_chip_info,
1401 reg_val);
1402 break;
1403 case 1:
1404 reg_val.Index = 0x09;
1405 reg_val.Mask = 0x1f;
1406 viafb_gpio_i2c_write_mask_lvds
1407 (viaparinfo->lvds_setting_info,
1408 &viaparinfo->
1409 chip_info->lvds_chip_info,
1410 reg_val);
1411 break;
1412 default:
1413 break;
1414 }
1415 } else {
1416 break;
1417 }
1418 }
1419 break;
1420 default:
1421 break;
1422 }
1423 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1424 case VT1636_LVDS:
1425 for (i = 0; i < 2; i++) {
1426 value = strsep(&pbuf, " ");
1427 if (value != NULL) {
1428 strict_strtoul(value, 0,
1429 (unsigned long *)®_val.Data);
1430 switch (i) {
1431 case 0:
1432 reg_val.Index = 0x08;
1433 reg_val.Mask = 0x0f;
1434 viafb_gpio_i2c_write_mask_lvds
1435 (viaparinfo->lvds_setting_info2,
1436 &viaparinfo->
1437 chip_info->lvds_chip_info2,
1438 reg_val);
1439 break;
1440 case 1:
1441 reg_val.Index = 0x09;
1442 reg_val.Mask = 0x1f;
1443 viafb_gpio_i2c_write_mask_lvds
1444 (viaparinfo->lvds_setting_info2,
1445 &viaparinfo->
1446 chip_info->lvds_chip_info2,
1447 reg_val);
1448 break;
1449 default:
1450 break;
1451 }
1452 } else {
1453 break;
1454 }
1455 }
1456 break;
1457 default:
1458 break;
1459 }
1460 return count;
1461 }
1462
1463 static const struct file_operations viafb_vt1636_proc_fops = {
1464 .owner = THIS_MODULE,
1465 .open = viafb_vt1636_proc_open,
1466 .read = seq_read,
1467 .llseek = seq_lseek,
1468 .release = single_release,
1469 .write = viafb_vt1636_proc_write,
1470 };
1471
1472 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1473
viafb_sup_odev_proc_show(struct seq_file * m,void * v)1474 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1475 {
1476 via_odev_to_seq(m, supported_odev_map[
1477 viaparinfo->shared->chip_info.gfx_chip_name]);
1478 return 0;
1479 }
1480
viafb_sup_odev_proc_open(struct inode * inode,struct file * file)1481 static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
1482 {
1483 return single_open(file, viafb_sup_odev_proc_show, NULL);
1484 }
1485
1486 static const struct file_operations viafb_sup_odev_proc_fops = {
1487 .owner = THIS_MODULE,
1488 .open = viafb_sup_odev_proc_open,
1489 .read = seq_read,
1490 .llseek = seq_lseek,
1491 .release = single_release,
1492 };
1493
odev_update(const char __user * buffer,size_t count,u32 * odev)1494 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1495 {
1496 char buf[64], *ptr = buf;
1497 u32 devices;
1498 bool add, sub;
1499
1500 if (count < 1 || count > 63)
1501 return -EINVAL;
1502 if (copy_from_user(&buf[0], buffer, count))
1503 return -EFAULT;
1504 buf[count] = '\0';
1505 add = buf[0] == '+';
1506 sub = buf[0] == '-';
1507 if (add || sub)
1508 ptr++;
1509 devices = via_parse_odev(ptr, &ptr);
1510 if (*ptr == '\n')
1511 ptr++;
1512 if (*ptr != 0)
1513 return -EINVAL;
1514 if (add)
1515 *odev |= devices;
1516 else if (sub)
1517 *odev &= ~devices;
1518 else
1519 *odev = devices;
1520 return count;
1521 }
1522
viafb_iga1_odev_proc_show(struct seq_file * m,void * v)1523 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1524 {
1525 via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1526 return 0;
1527 }
1528
viafb_iga1_odev_proc_open(struct inode * inode,struct file * file)1529 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1530 {
1531 return single_open(file, viafb_iga1_odev_proc_show, NULL);
1532 }
1533
viafb_iga1_odev_proc_write(struct file * file,const char __user * buffer,size_t count,loff_t * pos)1534 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1535 const char __user *buffer, size_t count, loff_t *pos)
1536 {
1537 u32 dev_on, dev_off, dev_old, dev_new;
1538 ssize_t res;
1539
1540 dev_old = dev_new = viaparinfo->shared->iga1_devices;
1541 res = odev_update(buffer, count, &dev_new);
1542 if (res != count)
1543 return res;
1544 dev_off = dev_old & ~dev_new;
1545 dev_on = dev_new & ~dev_old;
1546 viaparinfo->shared->iga1_devices = dev_new;
1547 viaparinfo->shared->iga2_devices &= ~dev_new;
1548 via_set_state(dev_off, VIA_STATE_OFF);
1549 via_set_source(dev_new, IGA1);
1550 via_set_state(dev_on, VIA_STATE_ON);
1551 return res;
1552 }
1553
1554 static const struct file_operations viafb_iga1_odev_proc_fops = {
1555 .owner = THIS_MODULE,
1556 .open = viafb_iga1_odev_proc_open,
1557 .read = seq_read,
1558 .llseek = seq_lseek,
1559 .release = single_release,
1560 .write = viafb_iga1_odev_proc_write,
1561 };
1562
viafb_iga2_odev_proc_show(struct seq_file * m,void * v)1563 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1564 {
1565 via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1566 return 0;
1567 }
1568
viafb_iga2_odev_proc_open(struct inode * inode,struct file * file)1569 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1570 {
1571 return single_open(file, viafb_iga2_odev_proc_show, NULL);
1572 }
1573
viafb_iga2_odev_proc_write(struct file * file,const char __user * buffer,size_t count,loff_t * pos)1574 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1575 const char __user *buffer, size_t count, loff_t *pos)
1576 {
1577 u32 dev_on, dev_off, dev_old, dev_new;
1578 ssize_t res;
1579
1580 dev_old = dev_new = viaparinfo->shared->iga2_devices;
1581 res = odev_update(buffer, count, &dev_new);
1582 if (res != count)
1583 return res;
1584 dev_off = dev_old & ~dev_new;
1585 dev_on = dev_new & ~dev_old;
1586 viaparinfo->shared->iga2_devices = dev_new;
1587 viaparinfo->shared->iga1_devices &= ~dev_new;
1588 via_set_state(dev_off, VIA_STATE_OFF);
1589 via_set_source(dev_new, IGA2);
1590 via_set_state(dev_on, VIA_STATE_ON);
1591 return res;
1592 }
1593
1594 static const struct file_operations viafb_iga2_odev_proc_fops = {
1595 .owner = THIS_MODULE,
1596 .open = viafb_iga2_odev_proc_open,
1597 .read = seq_read,
1598 .llseek = seq_lseek,
1599 .release = single_release,
1600 .write = viafb_iga2_odev_proc_write,
1601 };
1602
1603 #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS)
viafb_init_proc(struct viafb_shared * shared)1604 static void viafb_init_proc(struct viafb_shared *shared)
1605 {
1606 struct proc_dir_entry *iga1_entry, *iga2_entry,
1607 *viafb_entry = proc_mkdir("viafb", NULL);
1608
1609 shared->proc_entry = viafb_entry;
1610 if (viafb_entry) {
1611 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1612 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
1613 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
1614 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
1615 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
1616 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1617 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1618 proc_create("vt1636", 0, viafb_entry,
1619 &viafb_vt1636_proc_fops);
1620 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1621
1622 proc_create("supported_output_devices", 0, viafb_entry,
1623 &viafb_sup_odev_proc_fops);
1624 iga1_entry = proc_mkdir("iga1", viafb_entry);
1625 shared->iga1_proc_entry = iga1_entry;
1626 proc_create("output_devices", 0, iga1_entry,
1627 &viafb_iga1_odev_proc_fops);
1628 iga2_entry = proc_mkdir("iga2", viafb_entry);
1629 shared->iga2_proc_entry = iga2_entry;
1630 proc_create("output_devices", 0, iga2_entry,
1631 &viafb_iga2_odev_proc_fops);
1632 }
1633 }
viafb_remove_proc(struct viafb_shared * shared)1634 static void viafb_remove_proc(struct viafb_shared *shared)
1635 {
1636 struct proc_dir_entry *viafb_entry = shared->proc_entry,
1637 *iga1_entry = shared->iga1_proc_entry,
1638 *iga2_entry = shared->iga2_proc_entry;
1639
1640 if (!viafb_entry)
1641 return;
1642
1643 remove_proc_entry("output_devices", iga2_entry);
1644 remove_proc_entry("iga2", viafb_entry);
1645 remove_proc_entry("output_devices", iga1_entry);
1646 remove_proc_entry("iga1", viafb_entry);
1647 remove_proc_entry("supported_output_devices", viafb_entry);
1648
1649 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1650 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1651 remove_proc_entry("dvp1", viafb_entry);
1652 remove_proc_entry("dfph", viafb_entry);
1653 remove_proc_entry("dfpl", viafb_entry);
1654 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1655 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1656 remove_proc_entry("vt1636", viafb_entry);
1657 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1658
1659 remove_proc_entry("viafb", NULL);
1660 }
1661 #undef IS_VT1636
1662
parse_mode(const char * str,u32 * xres,u32 * yres)1663 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1664 {
1665 char *ptr;
1666
1667 if (!str) {
1668 *xres = 640;
1669 *yres = 480;
1670 return 0;
1671 }
1672
1673 *xres = simple_strtoul(str, &ptr, 10);
1674 if (ptr[0] != 'x')
1675 return -EINVAL;
1676
1677 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1678 if (ptr[0])
1679 return -EINVAL;
1680
1681 return 0;
1682 }
1683
1684
1685 #ifdef CONFIG_PM
viafb_suspend(void * unused)1686 static int viafb_suspend(void *unused)
1687 {
1688 console_lock();
1689 fb_set_suspend(viafbinfo, 1);
1690 viafb_sync(viafbinfo);
1691 console_unlock();
1692
1693 return 0;
1694 }
1695
viafb_resume(void * unused)1696 static int viafb_resume(void *unused)
1697 {
1698 console_lock();
1699 if (viaparinfo->shared->vdev->engine_mmio)
1700 viafb_reset_engine(viaparinfo);
1701 viafb_set_par(viafbinfo);
1702 if (viafb_dual_fb)
1703 viafb_set_par(viafbinfo1);
1704 fb_set_suspend(viafbinfo, 0);
1705
1706 console_unlock();
1707 return 0;
1708 }
1709
1710 static struct viafb_pm_hooks viafb_fb_pm_hooks = {
1711 .suspend = viafb_suspend,
1712 .resume = viafb_resume
1713 };
1714
1715 #endif
1716
1717
via_fb_pci_probe(struct viafb_dev * vdev)1718 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1719 {
1720 u32 default_xres, default_yres;
1721 struct VideoModeTable *vmode_entry;
1722 struct fb_var_screeninfo default_var;
1723 int rc;
1724 u32 viafb_par_length;
1725
1726 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1727 memset(&default_var, 0, sizeof(default_var));
1728 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1729
1730 /* Allocate fb_info and ***_par here, also including some other needed
1731 * variables
1732 */
1733 viafbinfo = framebuffer_alloc(viafb_par_length +
1734 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1735 &vdev->pdev->dev);
1736 if (!viafbinfo) {
1737 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1738 return -ENOMEM;
1739 }
1740
1741 viaparinfo = (struct viafb_par *)viafbinfo->par;
1742 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1743 viaparinfo->shared->vdev = vdev;
1744 viaparinfo->vram_addr = 0;
1745 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1746 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1747 viaparinfo->lvds_setting_info2 =
1748 &viaparinfo->shared->lvds_setting_info2;
1749 viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1750 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1751
1752 if (viafb_dual_fb)
1753 viafb_SAMM_ON = 1;
1754 parse_lcd_port();
1755 parse_dvi_port();
1756
1757 viafb_init_chip_info(vdev->chip_type);
1758 /*
1759 * The framebuffer will have been successfully mapped by
1760 * the core (or we'd not be here), but we still need to
1761 * set up our own accounting.
1762 */
1763 viaparinfo->fbmem = vdev->fbmem_start;
1764 viaparinfo->memsize = vdev->fbmem_len;
1765 viaparinfo->fbmem_free = viaparinfo->memsize;
1766 viaparinfo->fbmem_used = 0;
1767 viafbinfo->screen_base = vdev->fbmem;
1768
1769 viafbinfo->fix.mmio_start = vdev->engine_start;
1770 viafbinfo->fix.mmio_len = vdev->engine_len;
1771 viafbinfo->node = 0;
1772 viafbinfo->fbops = &viafb_ops;
1773 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1774
1775 viafbinfo->pseudo_palette = pseudo_pal;
1776 if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
1777 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1778 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1779 default_var.accel_flags = FB_ACCELF_TEXT;
1780 } else {
1781 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1782 default_var.accel_flags = 0;
1783 }
1784
1785 if (viafb_second_size && (viafb_second_size < 8)) {
1786 viafb_second_offset = viaparinfo->fbmem_free -
1787 viafb_second_size * 1024 * 1024;
1788 } else {
1789 viafb_second_size = 8;
1790 viafb_second_offset = viaparinfo->fbmem_free -
1791 viafb_second_size * 1024 * 1024;
1792 }
1793
1794 parse_mode(viafb_mode, &default_xres, &default_yres);
1795 vmode_entry = viafb_get_mode(default_xres, default_yres);
1796 if (viafb_SAMM_ON == 1) {
1797 parse_mode(viafb_mode1, &viafb_second_xres,
1798 &viafb_second_yres);
1799
1800 viafb_second_virtual_xres = viafb_second_xres;
1801 viafb_second_virtual_yres = viafb_second_yres;
1802 }
1803
1804 default_var.xres = default_xres;
1805 default_var.yres = default_yres;
1806 default_var.xres_virtual = default_xres;
1807 default_var.yres_virtual = default_yres;
1808 default_var.bits_per_pixel = viafb_bpp;
1809 viafb_fill_var_timing_info(&default_var, viafb_get_refresh(
1810 default_var.xres, default_var.yres, viafb_refresh),
1811 viafb_get_mode(default_var.xres, default_var.yres));
1812 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1813 viafbinfo->var = default_var;
1814
1815 if (viafb_dual_fb) {
1816 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1817 &vdev->pdev->dev);
1818 if (!viafbinfo1) {
1819 printk(KERN_ERR
1820 "allocate the second framebuffer struct error\n");
1821 rc = -ENOMEM;
1822 goto out_fb_release;
1823 }
1824 viaparinfo1 = viafbinfo1->par;
1825 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1826 viaparinfo1->vram_addr = viafb_second_offset;
1827 viaparinfo1->memsize = viaparinfo->memsize -
1828 viafb_second_offset;
1829 viaparinfo->memsize = viafb_second_offset;
1830 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1831
1832 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1833 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1834 viaparinfo1->fbmem_used;
1835 viaparinfo->fbmem_free = viaparinfo->memsize;
1836 viaparinfo->fbmem_used = 0;
1837
1838 viaparinfo->iga_path = IGA1;
1839 viaparinfo1->iga_path = IGA2;
1840 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1841 viafbinfo1->par = viaparinfo1;
1842 viafbinfo1->screen_base = viafbinfo->screen_base +
1843 viafb_second_offset;
1844
1845 default_var.xres = viafb_second_xres;
1846 default_var.yres = viafb_second_yres;
1847 default_var.xres_virtual = viafb_second_virtual_xres;
1848 default_var.yres_virtual = viafb_second_virtual_yres;
1849 default_var.bits_per_pixel = viafb_bpp1;
1850 viafb_fill_var_timing_info(&default_var, viafb_get_refresh(
1851 default_var.xres, default_var.yres, viafb_refresh1),
1852 viafb_get_mode(default_var.xres, default_var.yres));
1853
1854 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1855 viafb_check_var(&default_var, viafbinfo1);
1856 viafbinfo1->var = default_var;
1857 viafb_update_fix(viafbinfo1);
1858 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1859 &viafbinfo1->fix);
1860 }
1861
1862 viafb_check_var(&viafbinfo->var, viafbinfo);
1863 viafb_update_fix(viafbinfo);
1864 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1865 &viafbinfo->fix);
1866 default_var.activate = FB_ACTIVATE_NOW;
1867 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1868 if (rc)
1869 goto out_fb1_release;
1870
1871 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1872 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1873 rc = register_framebuffer(viafbinfo1);
1874 if (rc)
1875 goto out_dealloc_cmap;
1876 }
1877 rc = register_framebuffer(viafbinfo);
1878 if (rc)
1879 goto out_fb1_unreg_lcd_cle266;
1880
1881 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1882 || (viaparinfo->chip_info->gfx_chip_name !=
1883 UNICHROME_CLE266))) {
1884 rc = register_framebuffer(viafbinfo1);
1885 if (rc)
1886 goto out_fb_unreg;
1887 }
1888 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1889 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1890 default_var.yres, default_var.bits_per_pixel);
1891
1892 viafb_init_proc(viaparinfo->shared);
1893 viafb_init_dac(IGA2);
1894
1895 #ifdef CONFIG_PM
1896 viafb_pm_register(&viafb_fb_pm_hooks);
1897 #endif
1898 return 0;
1899
1900 out_fb_unreg:
1901 unregister_framebuffer(viafbinfo);
1902 out_fb1_unreg_lcd_cle266:
1903 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1904 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1905 unregister_framebuffer(viafbinfo1);
1906 out_dealloc_cmap:
1907 fb_dealloc_cmap(&viafbinfo->cmap);
1908 out_fb1_release:
1909 if (viafbinfo1)
1910 framebuffer_release(viafbinfo1);
1911 out_fb_release:
1912 framebuffer_release(viafbinfo);
1913 return rc;
1914 }
1915
via_fb_pci_remove(struct pci_dev * pdev)1916 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1917 {
1918 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1919 fb_dealloc_cmap(&viafbinfo->cmap);
1920 unregister_framebuffer(viafbinfo);
1921 if (viafb_dual_fb)
1922 unregister_framebuffer(viafbinfo1);
1923 viafb_remove_proc(viaparinfo->shared);
1924 framebuffer_release(viafbinfo);
1925 if (viafb_dual_fb)
1926 framebuffer_release(viafbinfo1);
1927 }
1928
1929 #ifndef MODULE
viafb_setup(char * options)1930 static int __init viafb_setup(char *options)
1931 {
1932 char *this_opt;
1933 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1934
1935 if (!options || !*options)
1936 return 0;
1937
1938 while ((this_opt = strsep(&options, ",")) != NULL) {
1939 if (!*this_opt)
1940 continue;
1941
1942 if (!strncmp(this_opt, "viafb_mode1=", 12))
1943 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1944 else if (!strncmp(this_opt, "viafb_mode=", 11))
1945 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1946 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1947 strict_strtoul(this_opt + 11, 0,
1948 (unsigned long *)&viafb_bpp1);
1949 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1950 strict_strtoul(this_opt + 10, 0,
1951 (unsigned long *)&viafb_bpp);
1952 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1953 strict_strtoul(this_opt + 15, 0,
1954 (unsigned long *)&viafb_refresh1);
1955 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1956 strict_strtoul(this_opt + 14, 0,
1957 (unsigned long *)&viafb_refresh);
1958 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1959 strict_strtoul(this_opt + 21, 0,
1960 (unsigned long *)&viafb_lcd_dsp_method);
1961 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1962 strict_strtoul(this_opt + 19, 0,
1963 (unsigned long *)&viafb_lcd_panel_id);
1964 else if (!strncmp(this_opt, "viafb_accel=", 12))
1965 strict_strtoul(this_opt + 12, 0,
1966 (unsigned long *)&viafb_accel);
1967 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1968 strict_strtoul(this_opt + 14, 0,
1969 (unsigned long *)&viafb_SAMM_ON);
1970 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
1971 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1972 else if (!strncmp(this_opt,
1973 "viafb_display_hardware_layout=", 30))
1974 strict_strtoul(this_opt + 30, 0,
1975 (unsigned long *)&viafb_display_hardware_layout);
1976 else if (!strncmp(this_opt, "viafb_second_size=", 18))
1977 strict_strtoul(this_opt + 18, 0,
1978 (unsigned long *)&viafb_second_size);
1979 else if (!strncmp(this_opt,
1980 "viafb_platform_epia_dvi=", 24))
1981 strict_strtoul(this_opt + 24, 0,
1982 (unsigned long *)&viafb_platform_epia_dvi);
1983 else if (!strncmp(this_opt,
1984 "viafb_device_lcd_dualedge=", 26))
1985 strict_strtoul(this_opt + 26, 0,
1986 (unsigned long *)&viafb_device_lcd_dualedge);
1987 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
1988 strict_strtoul(this_opt + 16, 0,
1989 (unsigned long *)&viafb_bus_width);
1990 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
1991 strict_strtoul(this_opt + 15, 0,
1992 (unsigned long *)&viafb_lcd_mode);
1993 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
1994 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
1995 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
1996 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
1997 }
1998 return 0;
1999 }
2000 #endif
2001
2002 /*
2003 * These are called out of via-core for now.
2004 */
viafb_init(void)2005 int __init viafb_init(void)
2006 {
2007 u32 dummy_x, dummy_y;
2008 #ifndef MODULE
2009 char *option = NULL;
2010 if (fb_get_options("viafb", &option))
2011 return -ENODEV;
2012 viafb_setup(option);
2013 #endif
2014 if (parse_mode(viafb_mode, &dummy_x, &dummy_y)
2015 || !viafb_get_mode(dummy_x, dummy_y)
2016 || parse_mode(viafb_mode1, &dummy_x, &dummy_y)
2017 || !viafb_get_mode(dummy_x, dummy_y)
2018 || viafb_bpp < 0 || viafb_bpp > 32
2019 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2020 || parse_active_dev())
2021 return -EINVAL;
2022
2023 printk(KERN_INFO
2024 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n",
2025 VERSION_MAJOR, VERSION_MINOR);
2026 return 0;
2027 }
2028
viafb_exit(void)2029 void __exit viafb_exit(void)
2030 {
2031 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2032 }
2033
2034 static struct fb_ops viafb_ops = {
2035 .owner = THIS_MODULE,
2036 .fb_open = viafb_open,
2037 .fb_release = viafb_release,
2038 .fb_check_var = viafb_check_var,
2039 .fb_set_par = viafb_set_par,
2040 .fb_setcolreg = viafb_setcolreg,
2041 .fb_pan_display = viafb_pan_display,
2042 .fb_blank = viafb_blank,
2043 .fb_fillrect = viafb_fillrect,
2044 .fb_copyarea = viafb_copyarea,
2045 .fb_imageblit = viafb_imageblit,
2046 .fb_cursor = viafb_cursor,
2047 .fb_ioctl = viafb_ioctl,
2048 .fb_sync = viafb_sync,
2049 };
2050
2051
2052 #ifdef MODULE
2053 module_param(viafb_mode, charp, S_IRUSR);
2054 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2055
2056 module_param(viafb_mode1, charp, S_IRUSR);
2057 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2058
2059 module_param(viafb_bpp, int, S_IRUSR);
2060 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2061
2062 module_param(viafb_bpp1, int, S_IRUSR);
2063 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2064
2065 module_param(viafb_refresh, int, S_IRUSR);
2066 MODULE_PARM_DESC(viafb_refresh,
2067 "Set CRT viafb_refresh rate (default = 60)");
2068
2069 module_param(viafb_refresh1, int, S_IRUSR);
2070 MODULE_PARM_DESC(viafb_refresh1,
2071 "Set CRT refresh rate (default = 60)");
2072
2073 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2074 MODULE_PARM_DESC(viafb_lcd_panel_id,
2075 "Set Flat Panel type(Default=1024x768)");
2076
2077 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2078 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2079 "Set Flat Panel display scaling method.(Default=Expandsion)");
2080
2081 module_param(viafb_SAMM_ON, int, S_IRUSR);
2082 MODULE_PARM_DESC(viafb_SAMM_ON,
2083 "Turn on/off flag of SAMM(Default=OFF)");
2084
2085 module_param(viafb_accel, int, S_IRUSR);
2086 MODULE_PARM_DESC(viafb_accel,
2087 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2088
2089 module_param(viafb_active_dev, charp, S_IRUSR);
2090 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2091
2092 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2093 MODULE_PARM_DESC(viafb_display_hardware_layout,
2094 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2095
2096 module_param(viafb_second_size, int, S_IRUSR);
2097 MODULE_PARM_DESC(viafb_second_size,
2098 "Set secondary device memory size");
2099
2100 module_param(viafb_dual_fb, int, S_IRUSR);
2101 MODULE_PARM_DESC(viafb_dual_fb,
2102 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2103
2104 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2105 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2106 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2107
2108 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2109 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2110 "Turn on/off flag of dual edge panel.(Default = OFF)");
2111
2112 module_param(viafb_bus_width, int, S_IRUSR);
2113 MODULE_PARM_DESC(viafb_bus_width,
2114 "Set bus width of panel.(Default = 12)");
2115
2116 module_param(viafb_lcd_mode, int, S_IRUSR);
2117 MODULE_PARM_DESC(viafb_lcd_mode,
2118 "Set Flat Panel mode(Default=OPENLDI)");
2119
2120 module_param(viafb_lcd_port, charp, S_IRUSR);
2121 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2122
2123 module_param(viafb_dvi_port, charp, S_IRUSR);
2124 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2125
2126 MODULE_LICENSE("GPL");
2127 #endif
2128