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viafb: clean up virtual memory handling
[mirror_ubuntu-artful-kernel.git] / drivers / video / via / viafbdev.c
1 /*
2 * Copyright 1998-2008 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 #define _MASTER_FILE
24
25 #include "global.h"
26
27 static int MAX_CURS = 32;
28 static struct fb_var_screeninfo default_var;
29 static char *viafb_name = "Via";
30 static u32 pseudo_pal[17];
31
32 /* video mode */
33 static char *viafb_mode = "640x480";
34 static char *viafb_mode1 = "640x480";
35
36 /* Added for specifying active devices.*/
37 char *viafb_active_dev = "";
38
39 /* Added for specifying video on devices.*/
40 char *viafb_video_dev = "";
41
42 /*Added for specify lcd output port*/
43 char *viafb_lcd_port = "";
44 char *viafb_dvi_port = "";
45
46 static void viafb_set_device(struct device_t active_dev);
47 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
48 struct fb_info *info);
49 static void apply_second_mode_setting(struct fb_var_screeninfo
50 *sec_var);
51 static void retrieve_device_setting(struct viafb_ioctl_setting
52 *setting_info);
53 static void viafb_set_video_device(u32 video_dev_info);
54 static void viafb_get_video_device(u32 *video_dev_info);
55
56 static struct fb_ops viafb_ops;
57
58
59 static void viafb_update_fix(struct fb_info *info)
60 {
61 u32 bpp = info->var.bits_per_pixel;
62
63 info->fix.visual =
64 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
65 info->fix.line_length =
66 ((info->var.xres_virtual + 7) & ~7) * bpp / 8;
67 }
68
69 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
70 struct viafb_par *viaparinfo)
71 {
72 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
73 strcpy(fix->id, viafb_name);
74
75 fix->smem_start = viaparinfo->fbmem;
76 fix->smem_len = viaparinfo->fbmem_free;
77 fix->mmio_start = viaparinfo->mmio_base;
78 fix->mmio_len = viaparinfo->mmio_len;
79
80 fix->type = FB_TYPE_PACKED_PIXELS;
81 fix->type_aux = 0;
82
83 fix->xpanstep = fix->ywrapstep = 0;
84 fix->ypanstep = 1;
85
86 /* Just tell the accel name */
87 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
88 }
89 static int viafb_open(struct fb_info *info, int user)
90 {
91 DEBUG_MSG(KERN_INFO "viafb_open!\n");
92 return 0;
93 }
94
95 static int viafb_release(struct fb_info *info, int user)
96 {
97 DEBUG_MSG(KERN_INFO "viafb_release!\n");
98 return 0;
99 }
100
101 static int viafb_check_var(struct fb_var_screeninfo *var,
102 struct fb_info *info)
103 {
104 int vmode_index, htotal, vtotal;
105 struct viafb_par *ppar;
106 u32 long_refresh;
107 struct viafb_par *p_viafb_par;
108 ppar = info->par;
109
110
111 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
112 /* Sanity check */
113 /* HW neither support interlacte nor double-scaned mode */
114 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
115 return -EINVAL;
116
117 vmode_index = viafb_get_mode_index(var->xres, var->yres);
118 if (vmode_index == VIA_RES_INVALID) {
119 DEBUG_MSG(KERN_INFO
120 "viafb: Mode %dx%dx%d not supported!!\n",
121 var->xres, var->yres, var->bits_per_pixel);
122 return -EINVAL;
123 }
124
125 if (24 == var->bits_per_pixel)
126 var->bits_per_pixel = 32;
127
128 if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
129 var->bits_per_pixel != 32)
130 return -EINVAL;
131
132 if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
133 /*32 pixel alignment */
134 var->xres_virtual = (var->xres_virtual + 31) & ~31;
135 if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
136 ppar->memsize)
137 return -EINVAL;
138
139 /* Based on var passed in to calculate the refresh,
140 * because our driver use some modes special.
141 */
142 htotal = var->xres + var->left_margin +
143 var->right_margin + var->hsync_len;
144 vtotal = var->yres + var->upper_margin +
145 var->lower_margin + var->vsync_len;
146 long_refresh = 1000000000UL / var->pixclock * 1000;
147 long_refresh /= (htotal * vtotal);
148
149 viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
150
151 /* Adjust var according to our driver's own table */
152 viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
153
154 /* This is indeed a patch for VT3353 */
155 if (!info->par)
156 return -1;
157 p_viafb_par = (struct viafb_par *)info->par;
158 if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800)
159 var->accel_flags = 0;
160
161 return 0;
162 }
163
164 static int viafb_set_par(struct fb_info *info)
165 {
166 int vmode_index;
167 int vmode_index1 = 0;
168 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
169
170 viafb_update_device_setting(info->var.xres, info->var.yres,
171 info->var.bits_per_pixel, viafb_refresh, 0);
172
173 vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
174
175 if (viafb_SAMM_ON == 1) {
176 DEBUG_MSG(KERN_INFO
177 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
178 viafb_second_xres, viafb_second_yres, viafb_bpp1);
179 vmode_index1 = viafb_get_mode_index(viafb_second_xres,
180 viafb_second_yres);
181 DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
182 vmode_index1);
183
184 viafb_update_device_setting(viafb_second_xres,
185 viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
186 }
187
188 if (vmode_index != VIA_RES_INVALID) {
189 viafb_setmode(vmode_index, info->var.xres, info->var.yres,
190 info->var.bits_per_pixel, vmode_index1,
191 viafb_second_xres, viafb_second_yres, viafb_bpp1);
192
193 /*We should set memory offset according virtual_x */
194 /*Fix me:put this function into viafb_setmode */
195 viafb_memory_pitch_patch(info);
196 viafb_update_fix(info);
197 viafb_bpp = info->var.bits_per_pixel;
198 /* Update viafb_accel, it is necessary to our 2D accelerate */
199 viafb_accel = info->var.accel_flags;
200
201 if (viafb_accel)
202 viafb_set_2d_color_depth(info->var.bits_per_pixel);
203 }
204
205 return 0;
206 }
207
208 /* Set one color register */
209 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
210 unsigned blue, unsigned transp, struct fb_info *info)
211 {
212 u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
213 unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
214 DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
215 if (regno >= cmap_entries)
216 return 1;
217 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
218 /*
219 * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
220 */
221 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
222 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
223 }
224 switch (info->var.bits_per_pixel) {
225 case 8:
226 outb(0x1A, 0x3C4);
227 sr1a = inb(0x3C5);
228 outb(0x1B, 0x3C4);
229 sr1b = inb(0x3C5);
230 outb(0x67, 0x3D4);
231 cr67 = inb(0x3D5);
232 outb(0x6A, 0x3D4);
233 cr6a = inb(0x3D5);
234
235 /* Map the 3C6/7/8/9 to the IGA2 */
236 outb(0x1A, 0x3C4);
237 outb(sr1a | 0x01, 0x3C5);
238 /* Second Display Engine colck always on */
239 outb(0x1B, 0x3C4);
240 outb(sr1b | 0x80, 0x3C5);
241 /* Second Display Color Depth 8 */
242 outb(0x67, 0x3D4);
243 outb(cr67 & 0x3F, 0x3D5);
244 outb(0x6A, 0x3D4);
245 /* Second Display Channel Reset CR6A[6]) */
246 outb(cr6a & 0xBF, 0x3D5);
247 /* Second Display Channel Enable CR6A[7] */
248 outb(cr6a | 0x80, 0x3D5);
249 /* Second Display Channel stop reset) */
250 outb(cr6a | 0x40, 0x3D5);
251
252 /* Bit mask of palette */
253 outb(0xFF, 0x3c6);
254 /* Write one register of IGA2 */
255 outb(regno, 0x3C8);
256 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
257 rev >= 15) {
258 shift = 8;
259 viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
260 viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
261 } else {
262 shift = 10;
263 viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
264 viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
265 }
266 outb(red >> shift, 0x3C9);
267 outb(green >> shift, 0x3C9);
268 outb(blue >> shift, 0x3C9);
269
270 /* Map the 3C6/7/8/9 to the IGA1 */
271 outb(0x1A, 0x3C4);
272 outb(sr1a & 0xFE, 0x3C5);
273 /* Bit mask of palette */
274 outb(0xFF, 0x3c6);
275 /* Write one register of IGA1 */
276 outb(regno, 0x3C8);
277 outb(red >> shift, 0x3C9);
278 outb(green >> shift, 0x3C9);
279 outb(blue >> shift, 0x3C9);
280
281 outb(0x1A, 0x3C4);
282 outb(sr1a, 0x3C5);
283 outb(0x1B, 0x3C4);
284 outb(sr1b, 0x3C5);
285 outb(0x67, 0x3D4);
286 outb(cr67, 0x3D5);
287 outb(0x6A, 0x3D4);
288 outb(cr6a, 0x3D5);
289 break;
290 case 16:
291 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
292 ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
293 break;
294 case 32:
295 ((u32 *) info->pseudo_palette)[regno] =
296 ((transp & 0xFF00) << 16) |
297 ((red & 0xFF00) << 8) |
298 ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
299 break;
300 }
301
302 return 0;
303
304 }
305
306 /*CALLED BY: fb_set_cmap */
307 /* fb_set_var, pass 256 colors */
308 /*CALLED BY: fb_set_cmap */
309 /* fbcon_set_palette, pass 16 colors */
310 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
311 {
312 u32 len = cmap->len;
313 u32 i;
314 u16 *pred = cmap->red;
315 u16 *pgreen = cmap->green;
316 u16 *pblue = cmap->blue;
317 u16 *ptransp = cmap->transp;
318 u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
319 if (len > 256)
320 return 1;
321 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
322 /*
323 * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
324 * rev.
325 */
326 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
327 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
328 }
329 switch (info->var.bits_per_pixel) {
330 case 8:
331 outb(0x1A, 0x3C4);
332 sr1a = inb(0x3C5);
333 outb(0x1B, 0x3C4);
334 sr1b = inb(0x3C5);
335 outb(0x67, 0x3D4);
336 cr67 = inb(0x3D5);
337 outb(0x6A, 0x3D4);
338 cr6a = inb(0x3D5);
339 /* Map the 3C6/7/8/9 to the IGA2 */
340 outb(0x1A, 0x3C4);
341 outb(sr1a | 0x01, 0x3C5);
342 outb(0x1B, 0x3C4);
343 /* Second Display Engine colck always on */
344 outb(sr1b | 0x80, 0x3C5);
345 outb(0x67, 0x3D4);
346 /* Second Display Color Depth 8 */
347 outb(cr67 & 0x3F, 0x3D5);
348 outb(0x6A, 0x3D4);
349 /* Second Display Channel Reset CR6A[6]) */
350 outb(cr6a & 0xBF, 0x3D5);
351 /* Second Display Channel Enable CR6A[7] */
352 outb(cr6a | 0x80, 0x3D5);
353 /* Second Display Channel stop reset) */
354 outb(cr6a | 0xC0, 0x3D5);
355
356 /* Bit mask of palette */
357 outb(0xFF, 0x3c6);
358 outb(0x00, 0x3C8);
359 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
360 rev >= 15) {
361 shift = 8;
362 viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
363 viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
364 } else {
365 shift = 10;
366 viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
367 viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
368 }
369 for (i = 0; i < len; i++) {
370 outb((*(pred + i)) >> shift, 0x3C9);
371 outb((*(pgreen + i)) >> shift, 0x3C9);
372 outb((*(pblue + i)) >> shift, 0x3C9);
373 }
374
375 outb(0x1A, 0x3C4);
376 /* Map the 3C6/7/8/9 to the IGA1 */
377 outb(sr1a & 0xFE, 0x3C5);
378 /* Bit mask of palette */
379 outb(0xFF, 0x3c6);
380 outb(0x00, 0x3C8);
381 for (i = 0; i < len; i++) {
382 outb((*(pred + i)) >> shift, 0x3C9);
383 outb((*(pgreen + i)) >> shift, 0x3C9);
384 outb((*(pblue + i)) >> shift, 0x3C9);
385 }
386
387 outb(0x1A, 0x3C4);
388 outb(sr1a, 0x3C5);
389 outb(0x1B, 0x3C4);
390 outb(sr1b, 0x3C5);
391 outb(0x67, 0x3D4);
392 outb(cr67, 0x3D5);
393 outb(0x6A, 0x3D4);
394 outb(cr6a, 0x3D5);
395 break;
396 case 16:
397 if (len > 17)
398 return 0; /* Because static u32 pseudo_pal[17]; */
399 for (i = 0; i < len; i++)
400 ((u32 *) info->pseudo_palette)[i] =
401 (*(pred + i) & 0xF800) |
402 ((*(pgreen + i) & 0xFC00) >> 5) |
403 ((*(pblue + i) & 0xF800) >> 11);
404 break;
405 case 32:
406 if (len > 17)
407 return 0;
408 if (ptransp) {
409 for (i = 0; i < len; i++)
410 ((u32 *) info->pseudo_palette)[i] =
411 ((*(ptransp + i) & 0xFF00) << 16) |
412 ((*(pred + i) & 0xFF00) << 8) |
413 ((*(pgreen + i) & 0xFF00)) |
414 ((*(pblue + i) & 0xFF00) >> 8);
415 } else {
416 for (i = 0; i < len; i++)
417 ((u32 *) info->pseudo_palette)[i] =
418 0x00000000 |
419 ((*(pred + i) & 0xFF00) << 8) |
420 ((*(pgreen + i) & 0xFF00)) |
421 ((*(pblue + i) & 0xFF00) >> 8);
422 }
423 break;
424 }
425 return 0;
426 }
427
428 static int viafb_pan_display(struct fb_var_screeninfo *var,
429 struct fb_info *info)
430 {
431 unsigned int offset;
432
433 DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
434
435 offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
436 var->bits_per_pixel / 16;
437
438 DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
439 viafb_set_primary_address(offset);
440 return 0;
441 }
442
443 static int viafb_blank(int blank_mode, struct fb_info *info)
444 {
445 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
446 /* clear DPMS setting */
447
448 switch (blank_mode) {
449 case FB_BLANK_UNBLANK:
450 /* Screen: On, HSync: On, VSync: On */
451 /* control CRT monitor power management */
452 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
453 break;
454 case FB_BLANK_HSYNC_SUSPEND:
455 /* Screen: Off, HSync: Off, VSync: On */
456 /* control CRT monitor power management */
457 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
458 break;
459 case FB_BLANK_VSYNC_SUSPEND:
460 /* Screen: Off, HSync: On, VSync: Off */
461 /* control CRT monitor power management */
462 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
463 break;
464 case FB_BLANK_POWERDOWN:
465 /* Screen: Off, HSync: Off, VSync: Off */
466 /* control CRT monitor power management */
467 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
468 break;
469 }
470
471 return 0;
472 }
473
474 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
475 {
476 union {
477 struct viafb_ioctl_mode viamode;
478 struct viafb_ioctl_samm viasamm;
479 struct viafb_driver_version driver_version;
480 struct fb_var_screeninfo sec_var;
481 struct _panel_size_pos_info panel_pos_size_para;
482 struct viafb_ioctl_setting viafb_setting;
483 struct device_t active_dev;
484 } u;
485 u32 state_info = 0;
486 u32 *viafb_gamma_table;
487 char driver_name[] = "viafb";
488
489 u32 __user *argp = (u32 __user *) arg;
490 u32 gpu32;
491 u32 video_dev_info = 0;
492
493 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
494 memset(&u, 0, sizeof(u));
495
496 switch (cmd) {
497 case VIAFB_GET_CHIP_INFO:
498 if (copy_to_user(argp, viaparinfo->chip_info,
499 sizeof(struct chip_information)))
500 return -EFAULT;
501 break;
502 case VIAFB_GET_INFO_SIZE:
503 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
504 case VIAFB_GET_INFO:
505 return viafb_ioctl_get_viafb_info(arg);
506 case VIAFB_HOTPLUG:
507 return put_user(viafb_ioctl_hotplug(info->var.xres,
508 info->var.yres,
509 info->var.bits_per_pixel), argp);
510 case VIAFB_SET_HOTPLUG_FLAG:
511 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
512 return -EFAULT;
513 viafb_hotplug = (gpu32) ? 1 : 0;
514 break;
515 case VIAFB_GET_RESOLUTION:
516 u.viamode.xres = (u32) viafb_hotplug_Xres;
517 u.viamode.yres = (u32) viafb_hotplug_Yres;
518 u.viamode.refresh = (u32) viafb_hotplug_refresh;
519 u.viamode.bpp = (u32) viafb_hotplug_bpp;
520 if (viafb_SAMM_ON == 1) {
521 u.viamode.xres_sec = viafb_second_xres;
522 u.viamode.yres_sec = viafb_second_yres;
523 u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
524 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
525 u.viamode.refresh_sec = viafb_refresh1;
526 u.viamode.bpp_sec = viafb_bpp1;
527 } else {
528 u.viamode.xres_sec = 0;
529 u.viamode.yres_sec = 0;
530 u.viamode.virtual_xres_sec = 0;
531 u.viamode.virtual_yres_sec = 0;
532 u.viamode.refresh_sec = 0;
533 u.viamode.bpp_sec = 0;
534 }
535 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
536 return -EFAULT;
537 break;
538 case VIAFB_GET_SAMM_INFO:
539 u.viasamm.samm_status = viafb_SAMM_ON;
540
541 if (viafb_SAMM_ON == 1) {
542 if (viafb_dual_fb) {
543 u.viasamm.size_prim = viaparinfo->fbmem_free;
544 u.viasamm.size_sec = viaparinfo1->fbmem_free;
545 } else {
546 if (viafb_second_size) {
547 u.viasamm.size_prim =
548 viaparinfo->fbmem_free -
549 viafb_second_size * 1024 * 1024;
550 u.viasamm.size_sec =
551 viafb_second_size * 1024 * 1024;
552 } else {
553 u.viasamm.size_prim =
554 viaparinfo->fbmem_free >> 1;
555 u.viasamm.size_sec =
556 (viaparinfo->fbmem_free >> 1);
557 }
558 }
559 u.viasamm.mem_base = viaparinfo->fbmem;
560 u.viasamm.offset_sec = viafb_second_offset;
561 } else {
562 u.viasamm.size_prim =
563 viaparinfo->memsize - viaparinfo->fbmem_used;
564 u.viasamm.size_sec = 0;
565 u.viasamm.mem_base = viaparinfo->fbmem;
566 u.viasamm.offset_sec = 0;
567 }
568
569 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
570 return -EFAULT;
571
572 break;
573 case VIAFB_TURN_ON_OUTPUT_DEVICE:
574 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
575 return -EFAULT;
576 if (gpu32 & CRT_Device)
577 viafb_crt_enable();
578 if (gpu32 & DVI_Device)
579 viafb_dvi_enable();
580 if (gpu32 & LCD_Device)
581 viafb_lcd_enable();
582 break;
583 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
584 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
585 return -EFAULT;
586 if (gpu32 & CRT_Device)
587 viafb_crt_disable();
588 if (gpu32 & DVI_Device)
589 viafb_dvi_disable();
590 if (gpu32 & LCD_Device)
591 viafb_lcd_disable();
592 break;
593 case VIAFB_SET_DEVICE:
594 if (copy_from_user(&u.active_dev, (void *)argp,
595 sizeof(u.active_dev)))
596 return -EFAULT;
597 viafb_set_device(u.active_dev);
598 viafb_set_par(info);
599 break;
600 case VIAFB_GET_DEVICE:
601 u.active_dev.crt = viafb_CRT_ON;
602 u.active_dev.dvi = viafb_DVI_ON;
603 u.active_dev.lcd = viafb_LCD_ON;
604 u.active_dev.samm = viafb_SAMM_ON;
605 u.active_dev.primary_dev = viafb_primary_dev;
606
607 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
608 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
609 u.active_dev.lcd_mode = viafb_lcd_mode;
610
611 u.active_dev.xres = viafb_hotplug_Xres;
612 u.active_dev.yres = viafb_hotplug_Yres;
613
614 u.active_dev.xres1 = viafb_second_xres;
615 u.active_dev.yres1 = viafb_second_yres;
616
617 u.active_dev.bpp = viafb_bpp;
618 u.active_dev.bpp1 = viafb_bpp1;
619 u.active_dev.refresh = viafb_refresh;
620 u.active_dev.refresh1 = viafb_refresh1;
621
622 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
623 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
624 u.active_dev.bus_width = viafb_bus_width;
625
626 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
627 return -EFAULT;
628 break;
629
630 case VIAFB_GET_DRIVER_VERSION:
631 u.driver_version.iMajorNum = VERSION_MAJOR;
632 u.driver_version.iKernelNum = VERSION_KERNEL;
633 u.driver_version.iOSNum = VERSION_OS;
634 u.driver_version.iMinorNum = VERSION_MINOR;
635
636 if (copy_to_user(argp, &u.driver_version,
637 sizeof(u.driver_version)))
638 return -EFAULT;
639
640 break;
641
642 case VIAFB_SET_DEVICE_INFO:
643 if (copy_from_user(&u.viafb_setting,
644 argp, sizeof(u.viafb_setting)))
645 return -EFAULT;
646 if (apply_device_setting(u.viafb_setting, info) < 0)
647 return -EINVAL;
648
649 break;
650
651 case VIAFB_SET_SECOND_MODE:
652 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
653 return -EFAULT;
654 apply_second_mode_setting(&u.sec_var);
655 break;
656
657 case VIAFB_GET_DEVICE_INFO:
658
659 retrieve_device_setting(&u.viafb_setting);
660
661 if (copy_to_user(argp, &u.viafb_setting,
662 sizeof(u.viafb_setting)))
663 return -EFAULT;
664
665 break;
666
667 case VIAFB_GET_DEVICE_SUPPORT:
668 viafb_get_device_support_state(&state_info);
669 if (put_user(state_info, argp))
670 return -EFAULT;
671 break;
672
673 case VIAFB_GET_DEVICE_CONNECT:
674 viafb_get_device_connect_state(&state_info);
675 if (put_user(state_info, argp))
676 return -EFAULT;
677 break;
678
679 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
680 state_info =
681 viafb_lcd_get_support_expand_state(info->var.xres,
682 info->var.yres);
683 if (put_user(state_info, argp))
684 return -EFAULT;
685 break;
686
687 case VIAFB_GET_DRIVER_NAME:
688 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
689 return -EFAULT;
690 break;
691
692 case VIAFB_SET_GAMMA_LUT:
693 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
694 if (!viafb_gamma_table)
695 return -ENOMEM;
696 if (copy_from_user(viafb_gamma_table, argp,
697 sizeof(viafb_gamma_table))) {
698 kfree(viafb_gamma_table);
699 return -EFAULT;
700 }
701 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
702 kfree(viafb_gamma_table);
703 break;
704
705 case VIAFB_GET_GAMMA_LUT:
706 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
707 if (!viafb_gamma_table)
708 return -ENOMEM;
709 viafb_get_gamma_table(viafb_gamma_table);
710 if (copy_to_user(argp, viafb_gamma_table,
711 sizeof(viafb_gamma_table))) {
712 kfree(viafb_gamma_table);
713 return -EFAULT;
714 }
715 kfree(viafb_gamma_table);
716 break;
717
718 case VIAFB_GET_GAMMA_SUPPORT_STATE:
719 viafb_get_gamma_support_state(viafb_bpp, &state_info);
720 if (put_user(state_info, argp))
721 return -EFAULT;
722 break;
723 case VIAFB_SET_VIDEO_DEVICE:
724 get_user(video_dev_info, argp);
725 viafb_set_video_device(video_dev_info);
726 break;
727 case VIAFB_GET_VIDEO_DEVICE:
728 viafb_get_video_device(&video_dev_info);
729 if (put_user(video_dev_info, argp))
730 return -EFAULT;
731 break;
732 case VIAFB_SYNC_SURFACE:
733 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
734 break;
735 case VIAFB_GET_DRIVER_CAPS:
736 break;
737
738 case VIAFB_GET_PANEL_MAX_SIZE:
739 if (copy_from_user(&u.panel_pos_size_para, argp,
740 sizeof(u.panel_pos_size_para)))
741 return -EFAULT;
742 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
743 if (copy_to_user(argp, &u.panel_pos_size_para,
744 sizeof(u.panel_pos_size_para)))
745 return -EFAULT;
746 break;
747 case VIAFB_GET_PANEL_MAX_POSITION:
748 if (copy_from_user(&u.panel_pos_size_para, argp,
749 sizeof(u.panel_pos_size_para)))
750 return -EFAULT;
751 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
752 if (copy_to_user(argp, &u.panel_pos_size_para,
753 sizeof(u.panel_pos_size_para)))
754 return -EFAULT;
755 break;
756
757 case VIAFB_GET_PANEL_POSITION:
758 if (copy_from_user(&u.panel_pos_size_para, argp,
759 sizeof(u.panel_pos_size_para)))
760 return -EFAULT;
761 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
762 if (copy_to_user(argp, &u.panel_pos_size_para,
763 sizeof(u.panel_pos_size_para)))
764 return -EFAULT;
765 break;
766 case VIAFB_GET_PANEL_SIZE:
767 if (copy_from_user(&u.panel_pos_size_para, argp,
768 sizeof(u.panel_pos_size_para)))
769 return -EFAULT;
770 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
771 if (copy_to_user(argp, &u.panel_pos_size_para,
772 sizeof(u.panel_pos_size_para)))
773 return -EFAULT;
774 break;
775
776 case VIAFB_SET_PANEL_POSITION:
777 if (copy_from_user(&u.panel_pos_size_para, argp,
778 sizeof(u.panel_pos_size_para)))
779 return -EFAULT;
780 break;
781 case VIAFB_SET_PANEL_SIZE:
782 if (copy_from_user(&u.panel_pos_size_para, argp,
783 sizeof(u.panel_pos_size_para)))
784 return -EFAULT;
785 break;
786
787 default:
788 return -EINVAL;
789 }
790
791 return 0;
792 }
793
794 static void viafb_fillrect(struct fb_info *info,
795 const struct fb_fillrect *rect)
796 {
797 u32 col = 0, rop = 0;
798 int pitch;
799
800 if (!viafb_accel) {
801 cfb_fillrect(info, rect);
802 return;
803 }
804
805 if (!rect->width || !rect->height)
806 return;
807
808 switch (rect->rop) {
809 case ROP_XOR:
810 rop = 0x5A;
811 break;
812 case ROP_COPY:
813 default:
814 rop = 0xF0;
815 break;
816 }
817
818 switch (info->var.bits_per_pixel) {
819 case 8:
820 col = rect->color;
821 break;
822 case 16:
823 col = ((u32 *) (info->pseudo_palette))[rect->color];
824 break;
825 case 32:
826 col = ((u32 *) (info->pseudo_palette))[rect->color];
827 break;
828 }
829
830 /* BitBlt Source Address */
831 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
832 /* Source Base Address */
833 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
834 /* Destination Base Address */
835 writel((info->fix.smem_start - viafbinfo->fix.smem_start) >> 3,
836 viaparinfo->io_virt + VIA_REG_DSTBASE);
837 /* Pitch */
838 pitch = (info->var.xres_virtual + 7) & ~7;
839 writel(VIA_PITCH_ENABLE |
840 (((pitch *
841 info->var.bits_per_pixel >> 3) >> 3) |
842 (((pitch * info->
843 var.bits_per_pixel >> 3) >> 3) << 16)),
844 viaparinfo->io_virt + VIA_REG_PITCH);
845 /* BitBlt Destination Address */
846 writel(((rect->dy << 16) | rect->dx),
847 viaparinfo->io_virt + VIA_REG_DSTPOS);
848 /* Dimension: width & height */
849 writel((((rect->height - 1) << 16) | (rect->width - 1)),
850 viaparinfo->io_virt + VIA_REG_DIMENSION);
851 /* Forground color or Destination color */
852 writel(col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
853 /* GE Command */
854 writel((0x01 | 0x2000 | (rop << 24)),
855 viaparinfo->io_virt + VIA_REG_GECMD);
856
857 }
858
859 static void viafb_copyarea(struct fb_info *info,
860 const struct fb_copyarea *area)
861 {
862 u32 dy = area->dy, sy = area->sy, direction = 0x0;
863 u32 sx = area->sx, dx = area->dx, width = area->width;
864 int pitch;
865
866 DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n");
867
868 if (!viafb_accel) {
869 cfb_copyarea(info, area);
870 return;
871 }
872
873 if (!area->width || !area->height)
874 return;
875
876 if (sy < dy) {
877 dy += area->height - 1;
878 sy += area->height - 1;
879 direction |= 0x4000;
880 }
881
882 if (sx < dx) {
883 dx += width - 1;
884 sx += width - 1;
885 direction |= 0x8000;
886 }
887
888 /* Source Base Address */
889 writel((info->fix.smem_start - viafbinfo->fix.smem_start) >> 3,
890 viaparinfo->io_virt + VIA_REG_SRCBASE);
891 /* Destination Base Address */
892 writel((info->fix.smem_start - viafbinfo->fix.smem_start) >> 3,
893 viaparinfo->io_virt + VIA_REG_DSTBASE);
894 /* Pitch */
895 pitch = (info->var.xres_virtual + 7) & ~7;
896 /* VIA_PITCH_ENABLE can be omitted now. */
897 writel(VIA_PITCH_ENABLE |
898 (((pitch *
899 info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
900 info->var.
901 bits_per_pixel
902 >> 3) >> 3)
903 << 16)),
904 viaparinfo->io_virt + VIA_REG_PITCH);
905 /* BitBlt Source Address */
906 writel(((sy << 16) | sx), viaparinfo->io_virt + VIA_REG_SRCPOS);
907 /* BitBlt Destination Address */
908 writel(((dy << 16) | dx), viaparinfo->io_virt + VIA_REG_DSTPOS);
909 /* Dimension: width & height */
910 writel((((area->height - 1) << 16) | (area->width - 1)),
911 viaparinfo->io_virt + VIA_REG_DIMENSION);
912 /* GE Command */
913 writel((0x01 | direction | (0xCC << 24)),
914 viaparinfo->io_virt + VIA_REG_GECMD);
915
916 }
917
918 static void viafb_imageblit(struct fb_info *info,
919 const struct fb_image *image)
920 {
921 u32 size, bg_col = 0, fg_col = 0, *udata;
922 int i;
923 int pitch;
924
925 if (!viafb_accel) {
926 cfb_imageblit(info, image);
927 return;
928 }
929
930 udata = (u32 *) image->data;
931
932 switch (info->var.bits_per_pixel) {
933 case 8:
934 bg_col = image->bg_color;
935 fg_col = image->fg_color;
936 break;
937 case 16:
938 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
939 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
940 break;
941 case 32:
942 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
943 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
944 break;
945 }
946 size = image->width * image->height;
947
948 /* Source Base Address */
949 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
950 /* Destination Base Address */
951 writel((info->fix.smem_start - viafbinfo->fix.smem_start) >> 3,
952 viaparinfo->io_virt + VIA_REG_DSTBASE);
953 /* Pitch */
954 pitch = (info->var.xres_virtual + 7) & ~7;
955 writel(VIA_PITCH_ENABLE |
956 (((pitch *
957 info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
958 info->var.
959 bits_per_pixel
960 >> 3) >> 3)
961 << 16)),
962 viaparinfo->io_virt + VIA_REG_PITCH);
963 /* BitBlt Source Address */
964 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
965 /* BitBlt Destination Address */
966 writel(((image->dy << 16) | image->dx),
967 viaparinfo->io_virt + VIA_REG_DSTPOS);
968 /* Dimension: width & height */
969 writel((((image->height - 1) << 16) | (image->width - 1)),
970 viaparinfo->io_virt + VIA_REG_DIMENSION);
971 /* fb color */
972 writel(fg_col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
973 /* bg color */
974 writel(bg_col, viaparinfo->io_virt + VIA_REG_BGCOLOR);
975 /* GE Command */
976 writel(0xCC020142, viaparinfo->io_virt + VIA_REG_GECMD);
977
978 for (i = 0; i < size / 4; i++) {
979 writel(*udata, viaparinfo->io_virt + VIA_MMIO_BLTBASE);
980 udata++;
981 }
982
983 }
984
985 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
986 {
987 u32 temp, xx, yy, bg_col = 0, fg_col = 0;
988 int i, j = 0;
989 static int hw_cursor;
990 struct viafb_par *p_viafb_par;
991
992 if (viafb_accel)
993 hw_cursor = 1;
994
995 if (!viafb_accel) {
996 if (hw_cursor) {
997 viafb_show_hw_cursor(info, HW_Cursor_OFF);
998 hw_cursor = 0;
999 }
1000 return -ENODEV;
1001 }
1002
1003 if ((((struct viafb_par *)(info->par))->iga_path == IGA2)
1004 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1005 return -ENODEV;
1006
1007 /* When duoview and using lcd , use soft cursor */
1008 if (viafb_LCD_ON || (!viafb_SAMM_ON &&
1009 viafb_LCD2_ON + viafb_DVI_ON + viafb_CRT_ON == 2))
1010 return -ENODEV;
1011
1012 viafb_show_hw_cursor(info, HW_Cursor_OFF);
1013 viacursor = *cursor;
1014
1015 if (cursor->set & FB_CUR_SETHOT) {
1016 viacursor.hot = cursor->hot;
1017 temp = ((viacursor.hot.x) << 16) + viacursor.hot.y;
1018 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
1019 }
1020
1021 if (cursor->set & FB_CUR_SETPOS) {
1022 viacursor.image.dx = cursor->image.dx;
1023 viacursor.image.dy = cursor->image.dy;
1024 yy = cursor->image.dy - info->var.yoffset;
1025 xx = cursor->image.dx - info->var.xoffset;
1026 temp = yy & 0xFFFF;
1027 temp |= (xx << 16);
1028 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
1029 }
1030
1031 if (cursor->set & FB_CUR_SETSIZE) {
1032 temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1033
1034 if ((cursor->image.width <= 32)
1035 && (cursor->image.height <= 32)) {
1036 MAX_CURS = 32;
1037 temp |= 0x2;
1038 } else if ((cursor->image.width <= 64)
1039 && (cursor->image.height <= 64)) {
1040 MAX_CURS = 64;
1041 temp &= 0xFFFFFFFD;
1042 } else {
1043 DEBUG_MSG(KERN_INFO
1044 "The cursor image is biger than 64x64 bits...\n");
1045 return -ENXIO;
1046 }
1047 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1048
1049 viacursor.image.height = cursor->image.height;
1050 viacursor.image.width = cursor->image.width;
1051 }
1052
1053 if (cursor->set & FB_CUR_SETCMAP) {
1054 viacursor.image.fg_color = cursor->image.fg_color;
1055 viacursor.image.bg_color = cursor->image.bg_color;
1056
1057 switch (info->var.bits_per_pixel) {
1058 case 8:
1059 case 16:
1060 case 32:
1061 bg_col =
1062 (0xFF << 24) |
1063 (((info->cmap.red)[viacursor.image.bg_color] &
1064 0xFF00) << 8) |
1065 ((info->cmap.green)[viacursor.image.bg_color] &
1066 0xFF00) |
1067 (((info->cmap.blue)[viacursor.image.bg_color] &
1068 0xFF00) >> 8);
1069 fg_col =
1070 (0xFF << 24) |
1071 (((info->cmap.red)[viacursor.image.fg_color] &
1072 0xFF00) << 8) |
1073 ((info->cmap.green)[viacursor.image.fg_color] &
1074 0xFF00) |
1075 (((info->cmap.blue)[viacursor.image.fg_color] &
1076 0xFF00) >> 8);
1077 break;
1078 default:
1079 return 0;
1080 }
1081
1082 /* This is indeed a patch for VT3324/VT3353 */
1083 if (!info->par)
1084 return 0;
1085 p_viafb_par = (struct viafb_par *)info->par;
1086
1087 if ((p_viafb_par->chip_info->gfx_chip_name ==
1088 UNICHROME_CX700) ||
1089 ((p_viafb_par->chip_info->gfx_chip_name ==
1090 UNICHROME_VX800))) {
1091 bg_col =
1092 (((info->cmap.red)[viacursor.image.bg_color] &
1093 0xFFC0) << 14) |
1094 (((info->cmap.green)[viacursor.image.bg_color] &
1095 0xFFC0) << 4) |
1096 (((info->cmap.blue)[viacursor.image.bg_color] &
1097 0xFFC0) >> 6);
1098 fg_col =
1099 (((info->cmap.red)[viacursor.image.fg_color] &
1100 0xFFC0) << 14) |
1101 (((info->cmap.green)[viacursor.image.fg_color] &
1102 0xFFC0) << 4) |
1103 (((info->cmap.blue)[viacursor.image.fg_color] &
1104 0xFFC0) >> 6);
1105 }
1106
1107 writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
1108 writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
1109 }
1110
1111 if (cursor->set & FB_CUR_SETSHAPE) {
1112 struct {
1113 u8 data[CURSOR_SIZE / 8];
1114 u32 bak[CURSOR_SIZE / 32];
1115 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
1116 int size =
1117 ((viacursor.image.width + 7) >> 3) *
1118 viacursor.image.height;
1119
1120 if (cr_data == NULL)
1121 goto out;
1122
1123 if (MAX_CURS == 32) {
1124 for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1125 cr_data->bak[i] = 0x0;
1126 cr_data->bak[i + 1] = 0xFFFFFFFF;
1127 i += 1;
1128 }
1129 } else if (MAX_CURS == 64) {
1130 for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1131 cr_data->bak[i] = 0x0;
1132 cr_data->bak[i + 1] = 0x0;
1133 cr_data->bak[i + 2] = 0xFFFFFFFF;
1134 cr_data->bak[i + 3] = 0xFFFFFFFF;
1135 i += 3;
1136 }
1137 }
1138
1139 switch (viacursor.rop) {
1140 case ROP_XOR:
1141 for (i = 0; i < size; i++)
1142 cr_data->data[i] = viacursor.mask[i];
1143 break;
1144 case ROP_COPY:
1145
1146 for (i = 0; i < size; i++)
1147 cr_data->data[i] = viacursor.mask[i];
1148 break;
1149 default:
1150 break;
1151 }
1152
1153 if (MAX_CURS == 32) {
1154 for (i = 0; i < size; i++) {
1155 cr_data->bak[j] = (u32) cr_data->data[i];
1156 cr_data->bak[j + 1] = ~cr_data->bak[j];
1157 j += 2;
1158 }
1159 } else if (MAX_CURS == 64) {
1160 for (i = 0; i < size; i++) {
1161 cr_data->bak[j] = (u32) cr_data->data[i];
1162 cr_data->bak[j + 1] = 0x0;
1163 cr_data->bak[j + 2] = ~cr_data->bak[j];
1164 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
1165 j += 4;
1166 }
1167 }
1168
1169 memcpy(viafbinfo->screen_base +
1170 ((struct viafb_par *)(info->par))->cursor_start,
1171 cr_data->bak, CURSOR_SIZE);
1172 out:
1173 kfree(cr_data);
1174 }
1175
1176 if (viacursor.enable)
1177 viafb_show_hw_cursor(info, HW_Cursor_ON);
1178
1179 return 0;
1180 }
1181
1182 static int viafb_sync(struct fb_info *info)
1183 {
1184 if (viafb_accel)
1185 viafb_wait_engine_idle();
1186 return 0;
1187 }
1188
1189 int viafb_get_mode_index(int hres, int vres)
1190 {
1191 u32 i;
1192 DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
1193
1194 for (i = 0; i < NUM_TOTAL_MODETABLE; i++)
1195 if (CLE266Modes[i].mode_array &&
1196 CLE266Modes[i].crtc[0].crtc.hor_addr == hres &&
1197 CLE266Modes[i].crtc[0].crtc.ver_addr == vres)
1198 break;
1199
1200 if (i == NUM_TOTAL_MODETABLE)
1201 return VIA_RES_INVALID;
1202
1203 return CLE266Modes[i].ModeIndex;
1204 }
1205
1206 static void check_available_device_to_enable(int device_id)
1207 {
1208 int device_num = 0;
1209
1210 /* Initialize: */
1211 viafb_CRT_ON = STATE_OFF;
1212 viafb_DVI_ON = STATE_OFF;
1213 viafb_LCD_ON = STATE_OFF;
1214 viafb_LCD2_ON = STATE_OFF;
1215 viafb_DeviceStatus = None_Device;
1216
1217 if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1218 viafb_CRT_ON = STATE_ON;
1219 device_num++;
1220 viafb_DeviceStatus |= CRT_Device;
1221 }
1222
1223 if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1224 viafb_DVI_ON = STATE_ON;
1225 device_num++;
1226 viafb_DeviceStatus |= DVI_Device;
1227 }
1228
1229 if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1230 viafb_LCD_ON = STATE_ON;
1231 device_num++;
1232 viafb_DeviceStatus |= LCD_Device;
1233 }
1234
1235 if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1236 viafb_LCD2_ON = STATE_ON;
1237 device_num++;
1238 viafb_DeviceStatus |= LCD2_Device;
1239 }
1240
1241 if (viafb_DeviceStatus == None_Device) {
1242 /* Use CRT as default active device: */
1243 viafb_CRT_ON = STATE_ON;
1244 viafb_DeviceStatus = CRT_Device;
1245 }
1246 DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1247 }
1248
1249 static void viafb_set_device(struct device_t active_dev)
1250 {
1251 /* Check available device to enable: */
1252 int device_id = None_Device;
1253 if (active_dev.crt)
1254 device_id |= CRT_Device;
1255 if (active_dev.dvi)
1256 device_id |= DVI_Device;
1257 if (active_dev.lcd)
1258 device_id |= LCD_Device;
1259
1260 check_available_device_to_enable(device_id);
1261
1262 /* Check property of LCD: */
1263 if (viafb_LCD_ON) {
1264 if (active_dev.lcd_dsp_cent) {
1265 viaparinfo->lvds_setting_info->display_method =
1266 viafb_lcd_dsp_method = LCD_CENTERING;
1267 } else {
1268 viaparinfo->lvds_setting_info->display_method =
1269 viafb_lcd_dsp_method = LCD_EXPANDSION;
1270 }
1271
1272 if (active_dev.lcd_mode == LCD_SPWG) {
1273 viaparinfo->lvds_setting_info->lcd_mode =
1274 viafb_lcd_mode = LCD_SPWG;
1275 } else {
1276 viaparinfo->lvds_setting_info->lcd_mode =
1277 viafb_lcd_mode = LCD_OPENLDI;
1278 }
1279
1280 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1281 viafb_lcd_panel_id = active_dev.lcd_panel_id;
1282 viafb_init_lcd_size();
1283 }
1284 }
1285
1286 /* Check property of mode: */
1287 if (!active_dev.xres1)
1288 viafb_second_xres = 640;
1289 else
1290 viafb_second_xres = active_dev.xres1;
1291 if (!active_dev.yres1)
1292 viafb_second_yres = 480;
1293 else
1294 viafb_second_yres = active_dev.yres1;
1295 if (active_dev.bpp != 0)
1296 viafb_bpp = active_dev.bpp;
1297 if (active_dev.bpp1 != 0)
1298 viafb_bpp1 = active_dev.bpp1;
1299 if (active_dev.refresh != 0)
1300 viafb_refresh = active_dev.refresh;
1301 if (active_dev.refresh1 != 0)
1302 viafb_refresh1 = active_dev.refresh1;
1303 if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1304 viafb_SAMM_ON = active_dev.samm;
1305 viafb_primary_dev = active_dev.primary_dev;
1306
1307 viafb_set_primary_address(0);
1308 viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1309 viafb_set_iga_path();
1310 }
1311
1312 static void viafb_set_video_device(u32 video_dev_info)
1313 {
1314 viaparinfo->video_on_crt = STATE_OFF;
1315 viaparinfo->video_on_dvi = STATE_OFF;
1316 viaparinfo->video_on_lcd = STATE_OFF;
1317
1318 /* Check available device to enable: */
1319 if ((video_dev_info & CRT_Device) == CRT_Device)
1320 viaparinfo->video_on_crt = STATE_ON;
1321 else if ((video_dev_info & DVI_Device) == DVI_Device)
1322 viaparinfo->video_on_dvi = STATE_ON;
1323 else if ((video_dev_info & LCD_Device) == LCD_Device)
1324 viaparinfo->video_on_lcd = STATE_ON;
1325 }
1326
1327 static void viafb_get_video_device(u32 *video_dev_info)
1328 {
1329 *video_dev_info = None_Device;
1330 if (viaparinfo->video_on_crt == STATE_ON)
1331 *video_dev_info |= CRT_Device;
1332 else if (viaparinfo->video_on_dvi == STATE_ON)
1333 *video_dev_info |= DVI_Device;
1334 else if (viaparinfo->video_on_lcd == STATE_ON)
1335 *video_dev_info |= LCD_Device;
1336 }
1337
1338 static int get_primary_device(void)
1339 {
1340 int primary_device = 0;
1341 /* Rule: device on iga1 path are the primary device. */
1342 if (viafb_SAMM_ON) {
1343 if (viafb_CRT_ON) {
1344 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1345 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1346 viaparinfo->
1347 crt_setting_info->iga_path);
1348 primary_device = CRT_Device;
1349 }
1350 }
1351 if (viafb_DVI_ON) {
1352 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1353 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1354 viaparinfo->
1355 tmds_setting_info->iga_path);
1356 primary_device = DVI_Device;
1357 }
1358 }
1359 if (viafb_LCD_ON) {
1360 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1361 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1362 viaparinfo->
1363 lvds_setting_info->iga_path);
1364 primary_device = LCD_Device;
1365 }
1366 }
1367 if (viafb_LCD2_ON) {
1368 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1369 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1370 viaparinfo->
1371 lvds_setting_info2->iga_path);
1372 primary_device = LCD2_Device;
1373 }
1374 }
1375 }
1376 return primary_device;
1377 }
1378
1379 static void apply_second_mode_setting(struct fb_var_screeninfo
1380 *sec_var)
1381 {
1382 u32 htotal, vtotal, long_refresh;
1383
1384 htotal = sec_var->xres + sec_var->left_margin +
1385 sec_var->right_margin + sec_var->hsync_len;
1386 vtotal = sec_var->yres + sec_var->upper_margin +
1387 sec_var->lower_margin + sec_var->vsync_len;
1388 if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1389 /*Is 32 bytes alignment? */
1390 /*32 pixel alignment */
1391 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1392 }
1393
1394 htotal = sec_var->xres + sec_var->left_margin +
1395 sec_var->right_margin + sec_var->hsync_len;
1396 vtotal = sec_var->yres + sec_var->upper_margin +
1397 sec_var->lower_margin + sec_var->vsync_len;
1398 long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1399 long_refresh /= (htotal * vtotal);
1400
1401 viafb_second_xres = sec_var->xres;
1402 viafb_second_yres = sec_var->yres;
1403 viafb_second_virtual_xres = sec_var->xres_virtual;
1404 viafb_second_virtual_yres = sec_var->yres_virtual;
1405 viafb_bpp1 = sec_var->bits_per_pixel;
1406 viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1407 long_refresh);
1408 }
1409
1410 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1411 struct fb_info *info)
1412 {
1413 int need_set_mode = 0;
1414 DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1415
1416 if (setting_info.device_flag) {
1417 need_set_mode = 1;
1418 check_available_device_to_enable(setting_info.device_status);
1419 }
1420
1421 /* Unlock LCD's operation according to LCD flag
1422 and check if the setting value is valid. */
1423 /* If the value is valid, apply the new setting value to the device. */
1424 if (viafb_LCD_ON) {
1425 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1426 need_set_mode = 1;
1427 if (setting_info.lcd_attributes.display_center) {
1428 /* Centering */
1429 viaparinfo->lvds_setting_info->display_method =
1430 LCD_CENTERING;
1431 viafb_lcd_dsp_method = LCD_CENTERING;
1432 viaparinfo->lvds_setting_info2->display_method =
1433 viafb_lcd_dsp_method = LCD_CENTERING;
1434 } else {
1435 /* expandsion */
1436 viaparinfo->lvds_setting_info->display_method =
1437 LCD_EXPANDSION;
1438 viafb_lcd_dsp_method = LCD_EXPANDSION;
1439 viaparinfo->lvds_setting_info2->display_method =
1440 LCD_EXPANDSION;
1441 viafb_lcd_dsp_method = LCD_EXPANDSION;
1442 }
1443 }
1444
1445 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1446 need_set_mode = 1;
1447 if (setting_info.lcd_attributes.lcd_mode ==
1448 LCD_SPWG) {
1449 viaparinfo->lvds_setting_info->lcd_mode =
1450 viafb_lcd_mode = LCD_SPWG;
1451 } else {
1452 viaparinfo->lvds_setting_info->lcd_mode =
1453 viafb_lcd_mode = LCD_OPENLDI;
1454 }
1455 viaparinfo->lvds_setting_info2->lcd_mode =
1456 viaparinfo->lvds_setting_info->lcd_mode;
1457 }
1458
1459 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1460 need_set_mode = 1;
1461 if (setting_info.lcd_attributes.panel_id <=
1462 LCD_PANEL_ID_MAXIMUM) {
1463 viafb_lcd_panel_id =
1464 setting_info.lcd_attributes.panel_id;
1465 viafb_init_lcd_size();
1466 }
1467 }
1468 }
1469
1470 if (0 != (setting_info.samm_status & OP_SAMM)) {
1471 setting_info.samm_status =
1472 setting_info.samm_status & (~OP_SAMM);
1473 if (setting_info.samm_status == 0
1474 || setting_info.samm_status == 1) {
1475 viafb_SAMM_ON = setting_info.samm_status;
1476
1477 if (viafb_SAMM_ON)
1478 viafb_primary_dev = setting_info.primary_device;
1479
1480 viafb_set_primary_address(0);
1481 viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1482 viafb_set_iga_path();
1483 }
1484 need_set_mode = 1;
1485 }
1486
1487 if (!need_set_mode) {
1488 ;
1489 } else {
1490 viafb_set_iga_path();
1491 viafb_set_par(info);
1492 }
1493 return true;
1494 }
1495
1496 static void retrieve_device_setting(struct viafb_ioctl_setting
1497 *setting_info)
1498 {
1499
1500 /* get device status */
1501 if (viafb_CRT_ON == 1)
1502 setting_info->device_status = CRT_Device;
1503 if (viafb_DVI_ON == 1)
1504 setting_info->device_status |= DVI_Device;
1505 if (viafb_LCD_ON == 1)
1506 setting_info->device_status |= LCD_Device;
1507 if (viafb_LCD2_ON == 1)
1508 setting_info->device_status |= LCD2_Device;
1509 if ((viaparinfo->video_on_crt == 1) && (viafb_CRT_ON == 1)) {
1510 setting_info->video_device_status =
1511 viaparinfo->crt_setting_info->iga_path;
1512 } else if ((viaparinfo->video_on_dvi == 1) && (viafb_DVI_ON == 1)) {
1513 setting_info->video_device_status =
1514 viaparinfo->tmds_setting_info->iga_path;
1515 } else if ((viaparinfo->video_on_lcd == 1) && (viafb_LCD_ON == 1)) {
1516 setting_info->video_device_status =
1517 viaparinfo->lvds_setting_info->iga_path;
1518 } else {
1519 setting_info->video_device_status = 0;
1520 }
1521
1522 setting_info->samm_status = viafb_SAMM_ON;
1523 setting_info->primary_device = get_primary_device();
1524
1525 setting_info->first_dev_bpp = viafb_bpp;
1526 setting_info->second_dev_bpp = viafb_bpp1;
1527
1528 setting_info->first_dev_refresh = viafb_refresh;
1529 setting_info->second_dev_refresh = viafb_refresh1;
1530
1531 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1532 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1533 setting_info->second_dev_hor_res = viafb_second_xres;
1534 setting_info->second_dev_ver_res = viafb_second_yres;
1535
1536 /* Get lcd attributes */
1537 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1538 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1539 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1540 }
1541
1542 static void parse_active_dev(void)
1543 {
1544 viafb_CRT_ON = STATE_OFF;
1545 viafb_DVI_ON = STATE_OFF;
1546 viafb_LCD_ON = STATE_OFF;
1547 viafb_LCD2_ON = STATE_OFF;
1548 /* 1. Modify the active status of devices. */
1549 /* 2. Keep the order of devices, so we can set corresponding
1550 IGA path to devices in SAMM case. */
1551 /* Note: The previous of active_dev is primary device,
1552 and the following is secondary device. */
1553 if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
1554 /* CRT+DVI */
1555 viafb_CRT_ON = STATE_ON;
1556 viafb_DVI_ON = STATE_ON;
1557 viafb_primary_dev = CRT_Device;
1558 } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
1559 /* DVI+CRT */
1560 viafb_CRT_ON = STATE_ON;
1561 viafb_DVI_ON = STATE_ON;
1562 viafb_primary_dev = DVI_Device;
1563 } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
1564 /* CRT+LCD */
1565 viafb_CRT_ON = STATE_ON;
1566 viafb_LCD_ON = STATE_ON;
1567 viafb_primary_dev = CRT_Device;
1568 } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
1569 /* LCD+CRT */
1570 viafb_CRT_ON = STATE_ON;
1571 viafb_LCD_ON = STATE_ON;
1572 viafb_primary_dev = LCD_Device;
1573 } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
1574 /* DVI+LCD */
1575 viafb_DVI_ON = STATE_ON;
1576 viafb_LCD_ON = STATE_ON;
1577 viafb_primary_dev = DVI_Device;
1578 } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
1579 /* LCD+DVI */
1580 viafb_DVI_ON = STATE_ON;
1581 viafb_LCD_ON = STATE_ON;
1582 viafb_primary_dev = LCD_Device;
1583 } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
1584 viafb_LCD_ON = STATE_ON;
1585 viafb_LCD2_ON = STATE_ON;
1586 viafb_primary_dev = LCD_Device;
1587 } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
1588 viafb_LCD_ON = STATE_ON;
1589 viafb_LCD2_ON = STATE_ON;
1590 viafb_primary_dev = LCD2_Device;
1591 } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
1592 /* CRT only */
1593 viafb_CRT_ON = STATE_ON;
1594 viafb_SAMM_ON = STATE_OFF;
1595 } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
1596 /* DVI only */
1597 viafb_DVI_ON = STATE_ON;
1598 viafb_SAMM_ON = STATE_OFF;
1599 } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
1600 /* LCD only */
1601 viafb_LCD_ON = STATE_ON;
1602 viafb_SAMM_ON = STATE_OFF;
1603 } else {
1604 viafb_CRT_ON = STATE_ON;
1605 viafb_SAMM_ON = STATE_OFF;
1606 }
1607 }
1608
1609 static void parse_video_dev(void)
1610 {
1611 viaparinfo->video_on_crt = STATE_OFF;
1612 viaparinfo->video_on_dvi = STATE_OFF;
1613 viaparinfo->video_on_lcd = STATE_OFF;
1614
1615 if (!strncmp(viafb_video_dev, "CRT", 3)) {
1616 /* Video on CRT */
1617 viaparinfo->video_on_crt = STATE_ON;
1618 } else if (!strncmp(viafb_video_dev, "DVI", 3)) {
1619 /* Video on DVI */
1620 viaparinfo->video_on_dvi = STATE_ON;
1621 } else if (!strncmp(viafb_video_dev, "LCD", 3)) {
1622 /* Video on LCD */
1623 viaparinfo->video_on_lcd = STATE_ON;
1624 }
1625 }
1626
1627 static int parse_port(char *opt_str, int *output_interface)
1628 {
1629 if (!strncmp(opt_str, "DVP0", 4))
1630 *output_interface = INTERFACE_DVP0;
1631 else if (!strncmp(opt_str, "DVP1", 4))
1632 *output_interface = INTERFACE_DVP1;
1633 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1634 *output_interface = INTERFACE_DFP;
1635 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1636 *output_interface = INTERFACE_DFP_HIGH;
1637 else if (!strncmp(opt_str, "DFP_LOW", 7))
1638 *output_interface = INTERFACE_DFP_LOW;
1639 else
1640 *output_interface = INTERFACE_NONE;
1641 return 0;
1642 }
1643
1644 static void parse_lcd_port(void)
1645 {
1646 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1647 output_interface);
1648 /*Initialize to avoid unexpected behavior */
1649 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1650 INTERFACE_NONE;
1651
1652 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1653 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1654 output_interface);
1655 }
1656
1657 static void parse_dvi_port(void)
1658 {
1659 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1660 output_interface);
1661
1662 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1663 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1664 output_interface);
1665 }
1666
1667 /*
1668 * The proc filesystem read/write function, a simple proc implement to
1669 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1670 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1671 * CR9B, SR65, CR97, CR99
1672 */
1673 static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
1674 int count, int *eof, void *data)
1675 {
1676 int len = 0;
1677 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1678 dvp0_data_dri =
1679 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1680 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1681 dvp0_clk_dri =
1682 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1683 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1684 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1685 len +=
1686 sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1687 *eof = 1; /*Inform kernel end of data */
1688 return len;
1689 }
1690 static int viafb_dvp0_proc_write(struct file *file,
1691 const char __user *buffer, unsigned long count, void *data)
1692 {
1693 char buf[20], *value, *pbuf;
1694 u8 reg_val = 0;
1695 unsigned long length, i;
1696 if (count < 1)
1697 return -EINVAL;
1698 length = count > 20 ? 20 : count;
1699 if (copy_from_user(&buf[0], buffer, length))
1700 return -EFAULT;
1701 buf[length - 1] = '\0'; /*Ensure end string */
1702 pbuf = &buf[0];
1703 for (i = 0; i < 3; i++) {
1704 value = strsep(&pbuf, " ");
1705 if (value != NULL) {
1706 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1707 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1708 reg_val);
1709 switch (i) {
1710 case 0:
1711 viafb_write_reg_mask(CR96, VIACR,
1712 reg_val, 0x0f);
1713 break;
1714 case 1:
1715 viafb_write_reg_mask(SR2A, VIASR,
1716 reg_val << 4, BIT5);
1717 viafb_write_reg_mask(SR1B, VIASR,
1718 reg_val << 1, BIT1);
1719 break;
1720 case 2:
1721 viafb_write_reg_mask(SR2A, VIASR,
1722 reg_val << 3, BIT4);
1723 viafb_write_reg_mask(SR1E, VIASR,
1724 reg_val << 2, BIT2);
1725 break;
1726 default:
1727 break;
1728 }
1729 } else {
1730 break;
1731 }
1732 }
1733 return count;
1734 }
1735 static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
1736 int count, int *eof, void *data)
1737 {
1738 int len = 0;
1739 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1740 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1741 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1742 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1743 len +=
1744 sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1745 *eof = 1; /*Inform kernel end of data */
1746 return len;
1747 }
1748 static int viafb_dvp1_proc_write(struct file *file,
1749 const char __user *buffer, unsigned long count, void *data)
1750 {
1751 char buf[20], *value, *pbuf;
1752 u8 reg_val = 0;
1753 unsigned long length, i;
1754 if (count < 1)
1755 return -EINVAL;
1756 length = count > 20 ? 20 : count;
1757 if (copy_from_user(&buf[0], buffer, length))
1758 return -EFAULT;
1759 buf[length - 1] = '\0'; /*Ensure end string */
1760 pbuf = &buf[0];
1761 for (i = 0; i < 3; i++) {
1762 value = strsep(&pbuf, " ");
1763 if (value != NULL) {
1764 strict_strtoul(value, 0, (unsigned long *)&reg_val);
1765 switch (i) {
1766 case 0:
1767 viafb_write_reg_mask(CR9B, VIACR,
1768 reg_val, 0x0f);
1769 break;
1770 case 1:
1771 viafb_write_reg_mask(SR65, VIASR,
1772 reg_val << 2, 0x0c);
1773 break;
1774 case 2:
1775 viafb_write_reg_mask(SR65, VIASR,
1776 reg_val, 0x03);
1777 break;
1778 default:
1779 break;
1780 }
1781 } else {
1782 break;
1783 }
1784 }
1785 return count;
1786 }
1787
1788 static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
1789 int count, int *eof, void *data)
1790 {
1791 int len = 0;
1792 u8 dfp_high = 0;
1793 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1794 len += sprintf(buf + len, "%x\n", dfp_high);
1795 *eof = 1; /*Inform kernel end of data */
1796 return len;
1797 }
1798 static int viafb_dfph_proc_write(struct file *file,
1799 const char __user *buffer, unsigned long count, void *data)
1800 {
1801 char buf[20];
1802 u8 reg_val = 0;
1803 unsigned long length;
1804 if (count < 1)
1805 return -EINVAL;
1806 length = count > 20 ? 20 : count;
1807 if (copy_from_user(&buf[0], buffer, length))
1808 return -EFAULT;
1809 buf[length - 1] = '\0'; /*Ensure end string */
1810 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1811 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1812 return count;
1813 }
1814 static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
1815 int count, int *eof, void *data)
1816 {
1817 int len = 0;
1818 u8 dfp_low = 0;
1819 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1820 len += sprintf(buf + len, "%x\n", dfp_low);
1821 *eof = 1; /*Inform kernel end of data */
1822 return len;
1823 }
1824 static int viafb_dfpl_proc_write(struct file *file,
1825 const char __user *buffer, unsigned long count, void *data)
1826 {
1827 char buf[20];
1828 u8 reg_val = 0;
1829 unsigned long length;
1830 if (count < 1)
1831 return -EINVAL;
1832 length = count > 20 ? 20 : count;
1833 if (copy_from_user(&buf[0], buffer, length))
1834 return -EFAULT;
1835 buf[length - 1] = '\0'; /*Ensure end string */
1836 strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1837 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1838 return count;
1839 }
1840 static int viafb_vt1636_proc_read(char *buf, char **start,
1841 off_t offset, int count, int *eof, void *data)
1842 {
1843 int len = 0;
1844 u8 vt1636_08 = 0, vt1636_09 = 0;
1845 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1846 case VT1636_LVDS:
1847 vt1636_08 =
1848 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1849 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1850 vt1636_09 =
1851 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1852 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1853 len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
1854 break;
1855 default:
1856 break;
1857 }
1858 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1859 case VT1636_LVDS:
1860 vt1636_08 =
1861 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1862 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1863 vt1636_09 =
1864 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1865 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1866 len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
1867 break;
1868 default:
1869 break;
1870 }
1871 *eof = 1; /*Inform kernel end of data */
1872 return len;
1873 }
1874 static int viafb_vt1636_proc_write(struct file *file,
1875 const char __user *buffer, unsigned long count, void *data)
1876 {
1877 char buf[30], *value, *pbuf;
1878 struct IODATA reg_val;
1879 unsigned long length, i;
1880 if (count < 1)
1881 return -EINVAL;
1882 length = count > 30 ? 30 : count;
1883 if (copy_from_user(&buf[0], buffer, length))
1884 return -EFAULT;
1885 buf[length - 1] = '\0'; /*Ensure end string */
1886 pbuf = &buf[0];
1887 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1888 case VT1636_LVDS:
1889 for (i = 0; i < 2; i++) {
1890 value = strsep(&pbuf, " ");
1891 if (value != NULL) {
1892 strict_strtoul(value, 0,
1893 (unsigned long *)&reg_val.Data);
1894 switch (i) {
1895 case 0:
1896 reg_val.Index = 0x08;
1897 reg_val.Mask = 0x0f;
1898 viafb_gpio_i2c_write_mask_lvds
1899 (viaparinfo->lvds_setting_info,
1900 &viaparinfo->
1901 chip_info->lvds_chip_info,
1902 reg_val);
1903 break;
1904 case 1:
1905 reg_val.Index = 0x09;
1906 reg_val.Mask = 0x1f;
1907 viafb_gpio_i2c_write_mask_lvds
1908 (viaparinfo->lvds_setting_info,
1909 &viaparinfo->
1910 chip_info->lvds_chip_info,
1911 reg_val);
1912 break;
1913 default:
1914 break;
1915 }
1916 } else {
1917 break;
1918 }
1919 }
1920 break;
1921 default:
1922 break;
1923 }
1924 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1925 case VT1636_LVDS:
1926 for (i = 0; i < 2; i++) {
1927 value = strsep(&pbuf, " ");
1928 if (value != NULL) {
1929 strict_strtoul(value, 0,
1930 (unsigned long *)&reg_val.Data);
1931 switch (i) {
1932 case 0:
1933 reg_val.Index = 0x08;
1934 reg_val.Mask = 0x0f;
1935 viafb_gpio_i2c_write_mask_lvds
1936 (viaparinfo->lvds_setting_info2,
1937 &viaparinfo->
1938 chip_info->lvds_chip_info2,
1939 reg_val);
1940 break;
1941 case 1:
1942 reg_val.Index = 0x09;
1943 reg_val.Mask = 0x1f;
1944 viafb_gpio_i2c_write_mask_lvds
1945 (viaparinfo->lvds_setting_info2,
1946 &viaparinfo->
1947 chip_info->lvds_chip_info2,
1948 reg_val);
1949 break;
1950 default:
1951 break;
1952 }
1953 } else {
1954 break;
1955 }
1956 }
1957 break;
1958 default:
1959 break;
1960 }
1961 return count;
1962 }
1963
1964 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1965 {
1966 struct proc_dir_entry *entry;
1967 *viafb_entry = proc_mkdir("viafb", NULL);
1968 if (viafb_entry) {
1969 entry = create_proc_entry("dvp0", 0, *viafb_entry);
1970 if (entry) {
1971 entry->read_proc = viafb_dvp0_proc_read;
1972 entry->write_proc = viafb_dvp0_proc_write;
1973 }
1974 entry = create_proc_entry("dvp1", 0, *viafb_entry);
1975 if (entry) {
1976 entry->read_proc = viafb_dvp1_proc_read;
1977 entry->write_proc = viafb_dvp1_proc_write;
1978 }
1979 entry = create_proc_entry("dfph", 0, *viafb_entry);
1980 if (entry) {
1981 entry->read_proc = viafb_dfph_proc_read;
1982 entry->write_proc = viafb_dfph_proc_write;
1983 }
1984 entry = create_proc_entry("dfpl", 0, *viafb_entry);
1985 if (entry) {
1986 entry->read_proc = viafb_dfpl_proc_read;
1987 entry->write_proc = viafb_dfpl_proc_write;
1988 }
1989 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1990 lvds_chip_name || VT1636_LVDS ==
1991 viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1992 entry = create_proc_entry("vt1636", 0, *viafb_entry);
1993 if (entry) {
1994 entry->read_proc = viafb_vt1636_proc_read;
1995 entry->write_proc = viafb_vt1636_proc_write;
1996 }
1997 }
1998
1999 }
2000 }
2001 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
2002 {
2003 /* no problem if it was not registered */
2004 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
2005 remove_proc_entry("dvp1", viafb_entry);
2006 remove_proc_entry("dfph", viafb_entry);
2007 remove_proc_entry("dfpl", viafb_entry);
2008 remove_proc_entry("vt1636", viafb_entry);
2009 remove_proc_entry("vt1625", viafb_entry);
2010 remove_proc_entry("viafb", NULL);
2011 }
2012
2013 static int __devinit via_pci_probe(void)
2014 {
2015 unsigned long default_xres, default_yres;
2016 char *tmpc, *tmpm;
2017 char *tmpc_sec, *tmpm_sec;
2018 int vmode_index;
2019 u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length;
2020
2021 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
2022
2023 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
2024 tmds_length = ALIGN(sizeof(struct tmds_setting_information),
2025 BITS_PER_LONG/8);
2026 lvds_length = ALIGN(sizeof(struct lvds_setting_information),
2027 BITS_PER_LONG/8);
2028 crt_length = ALIGN(sizeof(struct lvds_setting_information),
2029 BITS_PER_LONG/8);
2030 chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8);
2031
2032 /* Allocate fb_info and ***_par here, also including some other needed
2033 * variables
2034 */
2035 viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length +
2036 tmds_length + crt_length + chip_length, NULL);
2037 if (!viafbinfo) {
2038 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
2039 return -ENODEV;
2040 }
2041
2042 viaparinfo = (struct viafb_par *)viafbinfo->par;
2043 viaparinfo->tmds_setting_info = (struct tmds_setting_information *)
2044 ((unsigned long)viaparinfo + viafb_par_length);
2045 viaparinfo->lvds_setting_info = (struct lvds_setting_information *)
2046 ((unsigned long)viaparinfo->tmds_setting_info + tmds_length);
2047 viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *)
2048 ((unsigned long)viaparinfo->lvds_setting_info + lvds_length);
2049 viaparinfo->crt_setting_info = (struct crt_setting_information *)
2050 ((unsigned long)viaparinfo->lvds_setting_info2 + lvds_length);
2051 viaparinfo->chip_info = (struct chip_information *)
2052 ((unsigned long)viaparinfo->crt_setting_info + crt_length);
2053
2054 if (viafb_dual_fb)
2055 viafb_SAMM_ON = 1;
2056 parse_active_dev();
2057 parse_video_dev();
2058 parse_lcd_port();
2059 parse_dvi_port();
2060
2061 /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
2062 if (!viafb_SAMM_ON)
2063 viafb_dual_fb = 0;
2064
2065 /* Set up I2C bus stuff */
2066 viafb_create_i2c_bus(viaparinfo);
2067
2068 viafb_init_chip_info();
2069 viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
2070 viaparinfo->fbmem_free = viaparinfo->memsize;
2071 viaparinfo->fbmem_used = 0;
2072 viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
2073 viaparinfo->memsize);
2074 if (!viafbinfo->screen_base) {
2075 printk(KERN_INFO "ioremap failed\n");
2076 return -ENOMEM;
2077 }
2078
2079 viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len);
2080 viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base,
2081 viaparinfo->mmio_len);
2082 if (!viaparinfo->io_virt) {
2083 printk(KERN_WARNING "ioremap failed: hardware acceleration disabled\n");
2084 viafb_accel = 0;
2085 }
2086
2087 viafbinfo->node = 0;
2088 viafbinfo->fbops = &viafb_ops;
2089 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
2090
2091 viafbinfo->pseudo_palette = pseudo_pal;
2092 if (viafb_accel) {
2093 viafb_init_accel();
2094 viafb_init_2d_engine();
2095 viafb_hw_cursor_init();
2096 }
2097
2098 if (viafb_second_size && (viafb_second_size < 8)) {
2099 viafb_second_offset = viaparinfo->fbmem_free -
2100 viafb_second_size * 1024 * 1024;
2101 } else {
2102 viafb_second_size = 8;
2103 viafb_second_offset = viaparinfo->fbmem_free -
2104 viafb_second_size * 1024 * 1024;
2105 }
2106
2107 tmpm = viafb_mode;
2108 tmpc = strsep(&tmpm, "x");
2109 strict_strtoul(tmpc, 0, &default_xres);
2110 strict_strtoul(tmpm, 0, &default_yres);
2111
2112 vmode_index = viafb_get_mode_index(default_xres, default_yres);
2113 DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
2114
2115 if (viafb_SAMM_ON == 1) {
2116 if (strcmp(viafb_mode, viafb_mode1)) {
2117 tmpm_sec = viafb_mode1;
2118 tmpc_sec = strsep(&tmpm_sec, "x");
2119 strict_strtoul(tmpc_sec, 0,
2120 (unsigned long *)&viafb_second_xres);
2121 strict_strtoul(tmpm_sec, 0,
2122 (unsigned long *)&viafb_second_yres);
2123 } else {
2124 viafb_second_xres = default_xres;
2125 viafb_second_yres = default_yres;
2126 }
2127 if (0 == viafb_second_virtual_xres) {
2128 switch (viafb_second_xres) {
2129 case 1400:
2130 viafb_second_virtual_xres = 1408;
2131 break;
2132 default:
2133 viafb_second_virtual_xres = viafb_second_xres;
2134 break;
2135 }
2136 }
2137 if (0 == viafb_second_virtual_yres)
2138 viafb_second_virtual_yres = viafb_second_yres;
2139 }
2140
2141 switch (viafb_bpp) {
2142 case 0 ... 8:
2143 viafb_bpp = 8;
2144 break;
2145 case 9 ... 16:
2146 viafb_bpp = 16;
2147 break;
2148 case 17 ... 32:
2149 viafb_bpp = 32;
2150 break;
2151 default:
2152 viafb_bpp = 8;
2153 }
2154 default_var.xres = default_xres;
2155 default_var.yres = default_yres;
2156 switch (default_xres) {
2157 case 1400:
2158 default_var.xres_virtual = 1408;
2159 break;
2160 default:
2161 default_var.xres_virtual = default_xres;
2162 break;
2163 }
2164 default_var.yres_virtual = default_yres;
2165 default_var.bits_per_pixel = viafb_bpp;
2166 if (default_var.bits_per_pixel == 15)
2167 default_var.bits_per_pixel = 16;
2168 default_var.pixclock =
2169 viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
2170 default_var.left_margin = (default_xres >> 3) & 0xf8;
2171 default_var.right_margin = 32;
2172 default_var.upper_margin = 16;
2173 default_var.lower_margin = 4;
2174 default_var.hsync_len = default_var.left_margin;
2175 default_var.vsync_len = 4;
2176 default_var.accel_flags = 0;
2177
2178 if (viafb_accel) {
2179 viafbinfo->flags |=
2180 (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
2181 FBINFO_HWACCEL_IMAGEBLIT);
2182 default_var.accel_flags |= FB_ACCELF_TEXT;
2183 } else
2184 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
2185
2186 if (viafb_dual_fb) {
2187 viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
2188 if (!viafbinfo1) {
2189 printk(KERN_ERR
2190 "allocate the second framebuffer struct error\n");
2191 framebuffer_release(viafbinfo);
2192 return -ENOMEM;
2193 }
2194 viaparinfo1 = viafbinfo1->par;
2195 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
2196 viaparinfo1->memsize = viaparinfo->memsize -
2197 viafb_second_offset;
2198 viaparinfo->memsize = viafb_second_offset;
2199 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2200
2201 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2202 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2203 viaparinfo1->fbmem_used;
2204 viaparinfo->fbmem_free = viaparinfo->memsize;
2205 viaparinfo->fbmem_used = 0;
2206 if (viafb_accel) {
2207 viaparinfo1->cursor_start =
2208 viaparinfo->cursor_start - viafb_second_offset;
2209 viaparinfo1->VQ_start = viaparinfo->VQ_start -
2210 viafb_second_offset;
2211 viaparinfo1->VQ_end = viaparinfo->VQ_end -
2212 viafb_second_offset;
2213 }
2214
2215 viaparinfo->iga_path = IGA1;
2216 viaparinfo1->iga_path = IGA2;
2217 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2218 viafbinfo1->screen_base = viafbinfo->screen_base +
2219 viafb_second_offset;
2220
2221 default_var.xres = viafb_second_xres;
2222 default_var.yres = viafb_second_yres;
2223 default_var.xres_virtual = viafb_second_virtual_xres;
2224 default_var.yres_virtual = viafb_second_virtual_yres;
2225 if (viafb_bpp1 != viafb_bpp)
2226 viafb_bpp1 = viafb_bpp;
2227 default_var.bits_per_pixel = viafb_bpp1;
2228 default_var.pixclock =
2229 viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2230 viafb_refresh);
2231 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2232 default_var.right_margin = 32;
2233 default_var.upper_margin = 16;
2234 default_var.lower_margin = 4;
2235 default_var.hsync_len = default_var.left_margin;
2236 default_var.vsync_len = 4;
2237
2238 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2239 viafb_check_var(&default_var, viafbinfo1);
2240 viafbinfo1->var = default_var;
2241 viafb_update_fix(viafbinfo1);
2242 }
2243
2244 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2245 viafb_check_var(&default_var, viafbinfo);
2246 viafbinfo->var = default_var;
2247 viafb_update_fix(viafbinfo);
2248 default_var.activate = FB_ACTIVATE_NOW;
2249 fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2250
2251 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2252 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2253 if (register_framebuffer(viafbinfo1) < 0)
2254 return -EINVAL;
2255 }
2256 if (register_framebuffer(viafbinfo) < 0)
2257 return -EINVAL;
2258
2259 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2260 || (viaparinfo->chip_info->gfx_chip_name !=
2261 UNICHROME_CLE266))) {
2262 if (register_framebuffer(viafbinfo1) < 0)
2263 return -EINVAL;
2264 }
2265 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2266 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2267 default_var.yres, default_var.bits_per_pixel);
2268
2269 viafb_init_proc(&viaparinfo->proc_entry);
2270 viafb_init_dac(IGA2);
2271 return 0;
2272 }
2273
2274 static void __devexit via_pci_remove(void)
2275 {
2276 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2277 fb_dealloc_cmap(&viafbinfo->cmap);
2278 unregister_framebuffer(viafbinfo);
2279 if (viafb_dual_fb)
2280 unregister_framebuffer(viafbinfo1);
2281 iounmap((void *)viafbinfo->screen_base);
2282 iounmap(viaparinfo->io_virt);
2283
2284 viafb_delete_i2c_buss(viaparinfo);
2285
2286 framebuffer_release(viafbinfo);
2287 if (viafb_dual_fb)
2288 framebuffer_release(viafbinfo1);
2289
2290 viafb_remove_proc(viaparinfo->proc_entry);
2291 }
2292
2293 #ifndef MODULE
2294 static int __init viafb_setup(char *options)
2295 {
2296 char *this_opt;
2297 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2298
2299 if (!options || !*options)
2300 return 0;
2301
2302 while ((this_opt = strsep(&options, ",")) != NULL) {
2303 if (!*this_opt)
2304 continue;
2305
2306 if (!strncmp(this_opt, "viafb_mode1=", 12))
2307 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2308 else if (!strncmp(this_opt, "viafb_mode=", 11))
2309 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2310 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2311 strict_strtoul(this_opt + 11, 0,
2312 (unsigned long *)&viafb_bpp1);
2313 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2314 strict_strtoul(this_opt + 10, 0,
2315 (unsigned long *)&viafb_bpp);
2316 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2317 strict_strtoul(this_opt + 15, 0,
2318 (unsigned long *)&viafb_refresh1);
2319 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2320 strict_strtoul(this_opt + 14, 0,
2321 (unsigned long *)&viafb_refresh);
2322 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2323 strict_strtoul(this_opt + 21, 0,
2324 (unsigned long *)&viafb_lcd_dsp_method);
2325 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2326 strict_strtoul(this_opt + 19, 0,
2327 (unsigned long *)&viafb_lcd_panel_id);
2328 else if (!strncmp(this_opt, "viafb_accel=", 12))
2329 strict_strtoul(this_opt + 12, 0,
2330 (unsigned long *)&viafb_accel);
2331 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2332 strict_strtoul(this_opt + 14, 0,
2333 (unsigned long *)&viafb_SAMM_ON);
2334 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2335 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2336 else if (!strncmp(this_opt,
2337 "viafb_display_hardware_layout=", 30))
2338 strict_strtoul(this_opt + 30, 0,
2339 (unsigned long *)&viafb_display_hardware_layout);
2340 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2341 strict_strtoul(this_opt + 18, 0,
2342 (unsigned long *)&viafb_second_size);
2343 else if (!strncmp(this_opt,
2344 "viafb_platform_epia_dvi=", 24))
2345 strict_strtoul(this_opt + 24, 0,
2346 (unsigned long *)&viafb_platform_epia_dvi);
2347 else if (!strncmp(this_opt,
2348 "viafb_device_lcd_dualedge=", 26))
2349 strict_strtoul(this_opt + 26, 0,
2350 (unsigned long *)&viafb_device_lcd_dualedge);
2351 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2352 strict_strtoul(this_opt + 16, 0,
2353 (unsigned long *)&viafb_bus_width);
2354 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2355 strict_strtoul(this_opt + 15, 0,
2356 (unsigned long *)&viafb_lcd_mode);
2357 else if (!strncmp(this_opt, "viafb_video_dev=", 16))
2358 viafb_video_dev = kstrdup(this_opt + 16, GFP_KERNEL);
2359 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2360 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2361 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2362 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2363 }
2364 return 0;
2365 }
2366 #endif
2367
2368 static int __init viafb_init(void)
2369 {
2370 #ifndef MODULE
2371 char *option = NULL;
2372 if (fb_get_options("viafb", &option))
2373 return -ENODEV;
2374 viafb_setup(option);
2375 #endif
2376 printk(KERN_INFO
2377 "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2378 VERSION_MAJOR, VERSION_MINOR);
2379 return via_pci_probe();
2380 }
2381
2382 static void __exit viafb_exit(void)
2383 {
2384 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2385 via_pci_remove();
2386 }
2387
2388 static struct fb_ops viafb_ops = {
2389 .owner = THIS_MODULE,
2390 .fb_open = viafb_open,
2391 .fb_release = viafb_release,
2392 .fb_check_var = viafb_check_var,
2393 .fb_set_par = viafb_set_par,
2394 .fb_setcolreg = viafb_setcolreg,
2395 .fb_pan_display = viafb_pan_display,
2396 .fb_blank = viafb_blank,
2397 .fb_fillrect = viafb_fillrect,
2398 .fb_copyarea = viafb_copyarea,
2399 .fb_imageblit = viafb_imageblit,
2400 .fb_cursor = viafb_cursor,
2401 .fb_ioctl = viafb_ioctl,
2402 .fb_sync = viafb_sync,
2403 .fb_setcmap = viafb_setcmap,
2404 };
2405
2406 module_init(viafb_init);
2407 module_exit(viafb_exit);
2408
2409 #ifdef MODULE
2410 module_param(viafb_memsize, int, 0);
2411
2412 module_param(viafb_mode, charp, 0);
2413 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2414
2415 module_param(viafb_mode1, charp, 0);
2416 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2417
2418 module_param(viafb_bpp, int, 0);
2419 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2420
2421 module_param(viafb_bpp1, int, 0);
2422 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2423
2424 module_param(viafb_refresh, int, 0);
2425 MODULE_PARM_DESC(viafb_refresh,
2426 "Set CRT viafb_refresh rate (default = 60)");
2427
2428 module_param(viafb_refresh1, int, 0);
2429 MODULE_PARM_DESC(viafb_refresh1,
2430 "Set CRT refresh rate (default = 60)");
2431
2432 module_param(viafb_lcd_panel_id, int, 0);
2433 MODULE_PARM_DESC(viafb_lcd_panel_id,
2434 "Set Flat Panel type(Default=1024x768)");
2435
2436 module_param(viafb_lcd_dsp_method, int, 0);
2437 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2438 "Set Flat Panel display scaling method.(Default=Expandsion)");
2439
2440 module_param(viafb_SAMM_ON, int, 0);
2441 MODULE_PARM_DESC(viafb_SAMM_ON,
2442 "Turn on/off flag of SAMM(Default=OFF)");
2443
2444 module_param(viafb_accel, int, 0);
2445 MODULE_PARM_DESC(viafb_accel,
2446 "Set 2D Hardware Acceleration.(Default = OFF)");
2447
2448 module_param(viafb_active_dev, charp, 0);
2449 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2450
2451 module_param(viafb_display_hardware_layout, int, 0);
2452 MODULE_PARM_DESC(viafb_display_hardware_layout,
2453 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2454
2455 module_param(viafb_second_size, int, 0);
2456 MODULE_PARM_DESC(viafb_second_size,
2457 "Set secondary device memory size");
2458
2459 module_param(viafb_dual_fb, int, 0);
2460 MODULE_PARM_DESC(viafb_dual_fb,
2461 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2462
2463 module_param(viafb_platform_epia_dvi, int, 0);
2464 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2465 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2466
2467 module_param(viafb_device_lcd_dualedge, int, 0);
2468 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2469 "Turn on/off flag of dual edge panel.(Default = OFF)");
2470
2471 module_param(viafb_bus_width, int, 0);
2472 MODULE_PARM_DESC(viafb_bus_width,
2473 "Set bus width of panel.(Default = 12)");
2474
2475 module_param(viafb_lcd_mode, int, 0);
2476 MODULE_PARM_DESC(viafb_lcd_mode,
2477 "Set Flat Panel mode(Default=OPENLDI)");
2478
2479 module_param(viafb_video_dev, charp, 0);
2480 MODULE_PARM_DESC(viafb_video_dev, "Specify video devices.");
2481
2482 module_param(viafb_lcd_port, charp, 0);
2483 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2484
2485 module_param(viafb_dvi_port, charp, 0);
2486 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2487
2488 MODULE_LICENSE("GPL");
2489 #endif
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