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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
4 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
5
6 */
7
8#include <linux/compiler.h>
9#include <linux/module.h>
10#include <linux/seq_file.h>
11#include <linux/slab.h>
12#include <linux/stat.h>
13#include <linux/via-core.h>
14#include <linux/via_i2c.h>
15
16#define _MASTER_FILE
17#include "global.h"
18
19static u32 pseudo_pal[17];
20
21/* video mode */
22static char *viafb_mode;
23static char *viafb_mode1;
24static int viafb_bpp = 32;
25static int viafb_bpp1 = 32;
26
27static unsigned int viafb_second_offset;
28static int viafb_second_size;
29
30static int viafb_accel = 1;
31
32/* Added for specifying active devices.*/
33static char *viafb_active_dev;
34
35/*Added for specify lcd output port*/
36static char *viafb_lcd_port = "";
37static char *viafb_dvi_port = "";
38
39static void retrieve_device_setting(struct viafb_ioctl_setting
40 *setting_info);
41static int viafb_pan_display(struct fb_var_screeninfo *var,
42 struct fb_info *info);
43
44static struct fb_ops viafb_ops;
45
46/* supported output devices on each IGP
47 * only CX700, VX800, VX855, VX900 were documented
48 * VIA_CRT should be everywhere
49 * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
50 * source selection on CX700 and later
51 * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
52 */
53static const u32 supported_odev_map[] = {
54 [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1,
55 [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
56 | VIA_LVDS2,
57 [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
58 | VIA_LVDS2,
59 [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
60 | VIA_LVDS2,
61 [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
62 | VIA_LVDS2,
63 [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
64 [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
65 [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
66 [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
67 [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
68 [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
69 [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
70 [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
71};
72
73static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
74{
75 var->grayscale = 0;
76 var->red.msb_right = 0;
77 var->green.msb_right = 0;
78 var->blue.msb_right = 0;
79 var->transp.offset = 0;
80 var->transp.length = 0;
81 var->transp.msb_right = 0;
82 var->nonstd = 0;
83 switch (depth) {
84 case 8:
85 var->bits_per_pixel = 8;
86 var->red.offset = 0;
87 var->green.offset = 0;
88 var->blue.offset = 0;
89 var->red.length = 8;
90 var->green.length = 8;
91 var->blue.length = 8;
92 break;
93 case 15:
94 var->bits_per_pixel = 16;
95 var->red.offset = 10;
96 var->green.offset = 5;
97 var->blue.offset = 0;
98 var->red.length = 5;
99 var->green.length = 5;
100 var->blue.length = 5;
101 break;
102 case 16:
103 var->bits_per_pixel = 16;
104 var->red.offset = 11;
105 var->green.offset = 5;
106 var->blue.offset = 0;
107 var->red.length = 5;
108 var->green.length = 6;
109 var->blue.length = 5;
110 break;
111 case 24:
112 var->bits_per_pixel = 32;
113 var->red.offset = 16;
114 var->green.offset = 8;
115 var->blue.offset = 0;
116 var->red.length = 8;
117 var->green.length = 8;
118 var->blue.length = 8;
119 break;
120 case 30:
121 var->bits_per_pixel = 32;
122 var->red.offset = 20;
123 var->green.offset = 10;
124 var->blue.offset = 0;
125 var->red.length = 10;
126 var->green.length = 10;
127 var->blue.length = 10;
128 break;
129 }
130}
131
132static void viafb_update_fix(struct fb_info *info)
133{
134 u32 bpp = info->var.bits_per_pixel;
135
136 info->fix.visual =
137 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
138 info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8,
139 VIA_PITCH_SIZE);
140}
141
142static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
143 struct viafb_par *viaparinfo)
144{
145 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
146 strcpy(fix->id, "Via");
147
148 fix->smem_start = viaparinfo->fbmem;
149 fix->smem_len = viaparinfo->fbmem_free;
150
151 fix->type = FB_TYPE_PACKED_PIXELS;
152 fix->type_aux = 0;
153 fix->visual = FB_VISUAL_TRUECOLOR;
154
155 fix->xpanstep = fix->ywrapstep = 0;
156 fix->ypanstep = 1;
157
158 /* Just tell the accel name */
159 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
160}
161static int viafb_open(struct fb_info *info, int user)
162{
163 DEBUG_MSG(KERN_INFO "viafb_open!\n");
164 return 0;
165}
166
167static int viafb_release(struct fb_info *info, int user)
168{
169 DEBUG_MSG(KERN_INFO "viafb_release!\n");
170 return 0;
171}
172
173static inline int get_var_refresh(struct fb_var_screeninfo *var)
174{
175 u32 htotal, vtotal;
176
177 htotal = var->left_margin + var->xres + var->right_margin
178 + var->hsync_len;
179 vtotal = var->upper_margin + var->yres + var->lower_margin
180 + var->vsync_len;
181 return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal);
182}
183
184static int viafb_check_var(struct fb_var_screeninfo *var,
185 struct fb_info *info)
186{
187 int depth, refresh;
188 struct viafb_par *ppar = info->par;
189 u32 line;
190
191 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
192 /* Sanity check */
193 /* HW neither support interlacte nor double-scaned mode */
194 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
195 return -EINVAL;
196
197 /* the refresh rate is not important here, as we only want to know
198 * whether the resolution exists
199 */
200 if (!viafb_get_best_mode(var->xres, var->yres, 60)) {
201 DEBUG_MSG(KERN_INFO
202 "viafb: Mode %dx%dx%d not supported!!\n",
203 var->xres, var->yres, var->bits_per_pixel);
204 return -EINVAL;
205 }
206
207 depth = fb_get_color_depth(var, &info->fix);
208 if (!depth)
209 depth = var->bits_per_pixel;
210
211 if (depth < 0 || depth > 32)
212 return -EINVAL;
213 else if (!depth)
214 depth = 24;
215 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
216 depth = 15;
217 else if (depth == 30)
218 depth = 30;
219 else if (depth <= 8)
220 depth = 8;
221 else if (depth <= 16)
222 depth = 16;
223 else
224 depth = 24;
225
226 viafb_fill_var_color_info(var, depth);
227 if (var->xres_virtual < var->xres)
228 var->xres_virtual = var->xres;
229
230 line = ALIGN(var->xres_virtual * var->bits_per_pixel / 8,
231 VIA_PITCH_SIZE);
232 if (line > VIA_PITCH_MAX || line * var->yres_virtual > ppar->memsize)
233 return -EINVAL;
234
235 /* Based on var passed in to calculate the refresh,
236 * because our driver use some modes special.
237 */
238 refresh = viafb_get_refresh(var->xres, var->yres,
239 get_var_refresh(var));
240
241 /* Adjust var according to our driver's own table */
242 viafb_fill_var_timing_info(var,
243 viafb_get_best_mode(var->xres, var->yres, refresh));
244 if (var->accel_flags & FB_ACCELF_TEXT &&
245 !ppar->shared->vdev->engine_mmio)
246 var->accel_flags = 0;
247
248 return 0;
249}
250
251static int viafb_set_par(struct fb_info *info)
252{
253 struct viafb_par *viapar = info->par;
254 int refresh;
255 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
256
257 viafb_update_fix(info);
258 viapar->depth = fb_get_color_depth(&info->var, &info->fix);
259 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
260 viafbinfo->var.bits_per_pixel, 0);
261
262 if (viafb_dual_fb) {
263 viafb_update_device_setting(viafbinfo1->var.xres,
264 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
265 1);
266 } else if (viafb_SAMM_ON == 1) {
267 DEBUG_MSG(KERN_INFO
268 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
269 viafb_second_xres, viafb_second_yres, viafb_bpp1);
270
271 viafb_update_device_setting(viafb_second_xres,
272 viafb_second_yres, viafb_bpp1, 1);
273 }
274
275 refresh = get_var_refresh(&info->var);
276 if (viafb_dual_fb && viapar->iga_path == IGA2) {
277 viafb_bpp1 = info->var.bits_per_pixel;
278 viafb_refresh1 = refresh;
279 } else {
280 viafb_bpp = info->var.bits_per_pixel;
281 viafb_refresh = refresh;
282 }
283
284 if (info->var.accel_flags & FB_ACCELF_TEXT)
285 info->flags &= ~FBINFO_HWACCEL_DISABLED;
286 else
287 info->flags |= FBINFO_HWACCEL_DISABLED;
288 viafb_setmode();
289 viafb_pan_display(&info->var, info);
290
291 return 0;
292}
293
294/* Set one color register */
295static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
296unsigned blue, unsigned transp, struct fb_info *info)
297{
298 struct viafb_par *viapar = info->par;
299 u32 r, g, b;
300
301 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
302 if (regno > 255)
303 return -EINVAL;
304
305 if (!viafb_dual_fb || viapar->iga_path == IGA1)
306 viafb_set_primary_color_register(regno, red >> 8,
307 green >> 8, blue >> 8);
308
309 if (!viafb_dual_fb || viapar->iga_path == IGA2)
310 viafb_set_secondary_color_register(regno, red >> 8,
311 green >> 8, blue >> 8);
312 } else {
313 if (regno > 15)
314 return -EINVAL;
315
316 r = (red >> (16 - info->var.red.length))
317 << info->var.red.offset;
318 b = (blue >> (16 - info->var.blue.length))
319 << info->var.blue.offset;
320 g = (green >> (16 - info->var.green.length))
321 << info->var.green.offset;
322 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
323 }
324
325 return 0;
326}
327
328static int viafb_pan_display(struct fb_var_screeninfo *var,
329 struct fb_info *info)
330{
331 struct viafb_par *viapar = info->par;
332 u32 vram_addr = viapar->vram_addr
333 + var->yoffset * info->fix.line_length
334 + var->xoffset * info->var.bits_per_pixel / 8;
335
336 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
337 if (!viafb_dual_fb) {
338 via_set_primary_address(vram_addr);
339 via_set_secondary_address(vram_addr);
340 } else if (viapar->iga_path == IGA1)
341 via_set_primary_address(vram_addr);
342 else
343 via_set_secondary_address(vram_addr);
344
345 return 0;
346}
347
348static int viafb_blank(int blank_mode, struct fb_info *info)
349{
350 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
351 /* clear DPMS setting */
352
353 switch (blank_mode) {
354 case FB_BLANK_UNBLANK:
355 /* Screen: On, HSync: On, VSync: On */
356 /* control CRT monitor power management */
357 via_set_state(VIA_CRT, VIA_STATE_ON);
358 break;
359 case FB_BLANK_HSYNC_SUSPEND:
360 /* Screen: Off, HSync: Off, VSync: On */
361 /* control CRT monitor power management */
362 via_set_state(VIA_CRT, VIA_STATE_STANDBY);
363 break;
364 case FB_BLANK_VSYNC_SUSPEND:
365 /* Screen: Off, HSync: On, VSync: Off */
366 /* control CRT monitor power management */
367 via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
368 break;
369 case FB_BLANK_POWERDOWN:
370 /* Screen: Off, HSync: Off, VSync: Off */
371 /* control CRT monitor power management */
372 via_set_state(VIA_CRT, VIA_STATE_OFF);
373 break;
374 }
375
376 return 0;
377}
378
379static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
380{
381 union {
382 struct viafb_ioctl_mode viamode;
383 struct viafb_ioctl_samm viasamm;
384 struct viafb_driver_version driver_version;
385 struct fb_var_screeninfo sec_var;
386 struct _panel_size_pos_info panel_pos_size_para;
387 struct viafb_ioctl_setting viafb_setting;
388 struct device_t active_dev;
389 } u;
390 u32 state_info = 0;
391 u32 *viafb_gamma_table;
392 char driver_name[] = "viafb";
393
394 u32 __user *argp = (u32 __user *) arg;
395 u32 gpu32;
396
397 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
398 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
399 memset(&u, 0, sizeof(u));
400
401 switch (cmd) {
402 case VIAFB_GET_CHIP_INFO:
403 if (copy_to_user(argp, viaparinfo->chip_info,
404 sizeof(struct chip_information)))
405 return -EFAULT;
406 break;
407 case VIAFB_GET_INFO_SIZE:
408 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
409 case VIAFB_GET_INFO:
410 return viafb_ioctl_get_viafb_info(arg);
411 case VIAFB_HOTPLUG:
412 return put_user(viafb_ioctl_hotplug(info->var.xres,
413 info->var.yres,
414 info->var.bits_per_pixel), argp);
415 case VIAFB_SET_HOTPLUG_FLAG:
416 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
417 return -EFAULT;
418 viafb_hotplug = (gpu32) ? 1 : 0;
419 break;
420 case VIAFB_GET_RESOLUTION:
421 u.viamode.xres = (u32) viafb_hotplug_Xres;
422 u.viamode.yres = (u32) viafb_hotplug_Yres;
423 u.viamode.refresh = (u32) viafb_hotplug_refresh;
424 u.viamode.bpp = (u32) viafb_hotplug_bpp;
425 if (viafb_SAMM_ON == 1) {
426 u.viamode.xres_sec = viafb_second_xres;
427 u.viamode.yres_sec = viafb_second_yres;
428 u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual;
429 u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual;
430 u.viamode.refresh_sec = viafb_refresh1;
431 u.viamode.bpp_sec = viafb_bpp1;
432 } else {
433 u.viamode.xres_sec = 0;
434 u.viamode.yres_sec = 0;
435 u.viamode.virtual_xres_sec = 0;
436 u.viamode.virtual_yres_sec = 0;
437 u.viamode.refresh_sec = 0;
438 u.viamode.bpp_sec = 0;
439 }
440 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
441 return -EFAULT;
442 break;
443 case VIAFB_GET_SAMM_INFO:
444 u.viasamm.samm_status = viafb_SAMM_ON;
445
446 if (viafb_SAMM_ON == 1) {
447 if (viafb_dual_fb) {
448 u.viasamm.size_prim = viaparinfo->fbmem_free;
449 u.viasamm.size_sec = viaparinfo1->fbmem_free;
450 } else {
451 if (viafb_second_size) {
452 u.viasamm.size_prim =
453 viaparinfo->fbmem_free -
454 viafb_second_size * 1024 * 1024;
455 u.viasamm.size_sec =
456 viafb_second_size * 1024 * 1024;
457 } else {
458 u.viasamm.size_prim =
459 viaparinfo->fbmem_free >> 1;
460 u.viasamm.size_sec =
461 (viaparinfo->fbmem_free >> 1);
462 }
463 }
464 u.viasamm.mem_base = viaparinfo->fbmem;
465 u.viasamm.offset_sec = viafb_second_offset;
466 } else {
467 u.viasamm.size_prim =
468 viaparinfo->memsize - viaparinfo->fbmem_used;
469 u.viasamm.size_sec = 0;
470 u.viasamm.mem_base = viaparinfo->fbmem;
471 u.viasamm.offset_sec = 0;
472 }
473
474 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
475 return -EFAULT;
476
477 break;
478 case VIAFB_TURN_ON_OUTPUT_DEVICE:
479 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
480 return -EFAULT;
481 if (gpu32 & CRT_Device)
482 via_set_state(VIA_CRT, VIA_STATE_ON);
483 if (gpu32 & DVI_Device)
484 viafb_dvi_enable();
485 if (gpu32 & LCD_Device)
486 viafb_lcd_enable();
487 break;
488 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
489 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
490 return -EFAULT;
491 if (gpu32 & CRT_Device)
492 via_set_state(VIA_CRT, VIA_STATE_OFF);
493 if (gpu32 & DVI_Device)
494 viafb_dvi_disable();
495 if (gpu32 & LCD_Device)
496 viafb_lcd_disable();
497 break;
498 case VIAFB_GET_DEVICE:
499 u.active_dev.crt = viafb_CRT_ON;
500 u.active_dev.dvi = viafb_DVI_ON;
501 u.active_dev.lcd = viafb_LCD_ON;
502 u.active_dev.samm = viafb_SAMM_ON;
503 u.active_dev.primary_dev = viafb_primary_dev;
504
505 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
506 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
507 u.active_dev.lcd_mode = viafb_lcd_mode;
508
509 u.active_dev.xres = viafb_hotplug_Xres;
510 u.active_dev.yres = viafb_hotplug_Yres;
511
512 u.active_dev.xres1 = viafb_second_xres;
513 u.active_dev.yres1 = viafb_second_yres;
514
515 u.active_dev.bpp = viafb_bpp;
516 u.active_dev.bpp1 = viafb_bpp1;
517 u.active_dev.refresh = viafb_refresh;
518 u.active_dev.refresh1 = viafb_refresh1;
519
520 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
521 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
522 u.active_dev.bus_width = viafb_bus_width;
523
524 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
525 return -EFAULT;
526 break;
527
528 case VIAFB_GET_DRIVER_VERSION:
529 u.driver_version.iMajorNum = VERSION_MAJOR;
530 u.driver_version.iKernelNum = VERSION_KERNEL;
531 u.driver_version.iOSNum = VERSION_OS;
532 u.driver_version.iMinorNum = VERSION_MINOR;
533
534 if (copy_to_user(argp, &u.driver_version,
535 sizeof(u.driver_version)))
536 return -EFAULT;
537
538 break;
539
540 case VIAFB_GET_DEVICE_INFO:
541
542 retrieve_device_setting(&u.viafb_setting);
543
544 if (copy_to_user(argp, &u.viafb_setting,
545 sizeof(u.viafb_setting)))
546 return -EFAULT;
547
548 break;
549
550 case VIAFB_GET_DEVICE_SUPPORT:
551 viafb_get_device_support_state(&state_info);
552 if (put_user(state_info, argp))
553 return -EFAULT;
554 break;
555
556 case VIAFB_GET_DEVICE_CONNECT:
557 viafb_get_device_connect_state(&state_info);
558 if (put_user(state_info, argp))
559 return -EFAULT;
560 break;
561
562 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
563 state_info =
564 viafb_lcd_get_support_expand_state(info->var.xres,
565 info->var.yres);
566 if (put_user(state_info, argp))
567 return -EFAULT;
568 break;
569
570 case VIAFB_GET_DRIVER_NAME:
571 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
572 return -EFAULT;
573 break;
574
575 case VIAFB_SET_GAMMA_LUT:
576 viafb_gamma_table = memdup_array_user(argp, 256, sizeof(u32));
577 if (IS_ERR(viafb_gamma_table))
578 return PTR_ERR(viafb_gamma_table);
579 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
580 kfree(viafb_gamma_table);
581 break;
582
583 case VIAFB_GET_GAMMA_LUT:
584 viafb_gamma_table = kmalloc_array(256, sizeof(u32),
585 GFP_KERNEL);
586 if (!viafb_gamma_table)
587 return -ENOMEM;
588 viafb_get_gamma_table(viafb_gamma_table);
589 if (copy_to_user(argp, viafb_gamma_table,
590 256 * sizeof(u32))) {
591 kfree(viafb_gamma_table);
592 return -EFAULT;
593 }
594 kfree(viafb_gamma_table);
595 break;
596
597 case VIAFB_GET_GAMMA_SUPPORT_STATE:
598 viafb_get_gamma_support_state(viafb_bpp, &state_info);
599 if (put_user(state_info, argp))
600 return -EFAULT;
601 break;
602 case VIAFB_SYNC_SURFACE:
603 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
604 break;
605 case VIAFB_GET_DRIVER_CAPS:
606 break;
607
608 case VIAFB_GET_PANEL_MAX_SIZE:
609 if (copy_from_user(&u.panel_pos_size_para, argp,
610 sizeof(u.panel_pos_size_para)))
611 return -EFAULT;
612 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
613 if (copy_to_user(argp, &u.panel_pos_size_para,
614 sizeof(u.panel_pos_size_para)))
615 return -EFAULT;
616 break;
617 case VIAFB_GET_PANEL_MAX_POSITION:
618 if (copy_from_user(&u.panel_pos_size_para, argp,
619 sizeof(u.panel_pos_size_para)))
620 return -EFAULT;
621 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
622 if (copy_to_user(argp, &u.panel_pos_size_para,
623 sizeof(u.panel_pos_size_para)))
624 return -EFAULT;
625 break;
626
627 case VIAFB_GET_PANEL_POSITION:
628 if (copy_from_user(&u.panel_pos_size_para, argp,
629 sizeof(u.panel_pos_size_para)))
630 return -EFAULT;
631 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
632 if (copy_to_user(argp, &u.panel_pos_size_para,
633 sizeof(u.panel_pos_size_para)))
634 return -EFAULT;
635 break;
636 case VIAFB_GET_PANEL_SIZE:
637 if (copy_from_user(&u.panel_pos_size_para, argp,
638 sizeof(u.panel_pos_size_para)))
639 return -EFAULT;
640 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
641 if (copy_to_user(argp, &u.panel_pos_size_para,
642 sizeof(u.panel_pos_size_para)))
643 return -EFAULT;
644 break;
645
646 case VIAFB_SET_PANEL_POSITION:
647 if (copy_from_user(&u.panel_pos_size_para, argp,
648 sizeof(u.panel_pos_size_para)))
649 return -EFAULT;
650 break;
651 case VIAFB_SET_PANEL_SIZE:
652 if (copy_from_user(&u.panel_pos_size_para, argp,
653 sizeof(u.panel_pos_size_para)))
654 return -EFAULT;
655 break;
656
657 default:
658 return -EINVAL;
659 }
660
661 return 0;
662}
663
664static void viafb_fillrect(struct fb_info *info,
665 const struct fb_fillrect *rect)
666{
667 struct viafb_par *viapar = info->par;
668 struct viafb_shared *shared = viapar->shared;
669 u32 fg_color;
670 u8 rop;
671
672 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
673 cfb_fillrect(info, rect);
674 return;
675 }
676
677 if (!rect->width || !rect->height)
678 return;
679
680 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
681 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
682 else
683 fg_color = rect->color;
684
685 if (rect->rop == ROP_XOR)
686 rop = 0x5A;
687 else
688 rop = 0xF0;
689
690 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
691 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
692 rect->width, rect->height, info->var.bits_per_pixel,
693 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
694 NULL, 0, 0, 0, 0, fg_color, 0, rop))
695 cfb_fillrect(info, rect);
696}
697
698static void viafb_copyarea(struct fb_info *info,
699 const struct fb_copyarea *area)
700{
701 struct viafb_par *viapar = info->par;
702 struct viafb_shared *shared = viapar->shared;
703
704 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
705 cfb_copyarea(info, area);
706 return;
707 }
708
709 if (!area->width || !area->height)
710 return;
711
712 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
713 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
714 area->width, area->height, info->var.bits_per_pixel,
715 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
716 NULL, viapar->vram_addr, info->fix.line_length,
717 area->sx, area->sy, 0, 0, 0))
718 cfb_copyarea(info, area);
719}
720
721static void viafb_imageblit(struct fb_info *info,
722 const struct fb_image *image)
723{
724 struct viafb_par *viapar = info->par;
725 struct viafb_shared *shared = viapar->shared;
726 u32 fg_color = 0, bg_color = 0;
727 u8 op;
728
729 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
730 (image->depth != 1 && image->depth != viapar->depth)) {
731 cfb_imageblit(info, image);
732 return;
733 }
734
735 if (image->depth == 1) {
736 op = VIA_BITBLT_MONO;
737 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
738 fg_color =
739 ((u32 *)info->pseudo_palette)[image->fg_color];
740 bg_color =
741 ((u32 *)info->pseudo_palette)[image->bg_color];
742 } else {
743 fg_color = image->fg_color;
744 bg_color = image->bg_color;
745 }
746 } else
747 op = VIA_BITBLT_COLOR;
748
749 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
750 if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
751 image->width, image->height, info->var.bits_per_pixel,
752 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
753 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
754 cfb_imageblit(info, image);
755}
756
757static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
758{
759 struct viafb_par *viapar = info->par;
760 void __iomem *engine = viapar->shared->vdev->engine_mmio;
761 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
762 chip_name = viapar->shared->chip_info.gfx_chip_name;
763 int i, j = 0, cur_size = 64;
764
765 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
766 return -ENODEV;
767
768 /* LCD ouput does not support hw cursors (at least on VN896) */
769 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
770 viafb_LCD_ON)
771 return -ENODEV;
772
773 viafb_show_hw_cursor(info, HW_Cursor_OFF);
774
775 if (cursor->set & FB_CUR_SETHOT) {
776 temp = (cursor->hot.x << 16) + cursor->hot.y;
777 writel(temp, engine + VIA_REG_CURSOR_ORG);
778 }
779
780 if (cursor->set & FB_CUR_SETPOS) {
781 yy = cursor->image.dy - info->var.yoffset;
782 xx = cursor->image.dx - info->var.xoffset;
783 temp = yy & 0xFFFF;
784 temp |= (xx << 16);
785 writel(temp, engine + VIA_REG_CURSOR_POS);
786 }
787
788 if (cursor->image.width <= 32 && cursor->image.height <= 32)
789 cur_size = 32;
790 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
791 cur_size = 64;
792 else {
793 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
794 "%dx%d", cursor->image.width, cursor->image.height);
795 return -ENXIO;
796 }
797
798 if (cursor->set & FB_CUR_SETSIZE) {
799 temp = readl(engine + VIA_REG_CURSOR_MODE);
800 if (cur_size == 32)
801 temp |= 0x2;
802 else
803 temp &= ~0x2;
804
805 writel(temp, engine + VIA_REG_CURSOR_MODE);
806 }
807
808 if (cursor->set & FB_CUR_SETCMAP) {
809 fg_color = cursor->image.fg_color;
810 bg_color = cursor->image.bg_color;
811 if (chip_name == UNICHROME_CX700 ||
812 chip_name == UNICHROME_VX800 ||
813 chip_name == UNICHROME_VX855 ||
814 chip_name == UNICHROME_VX900) {
815 fg_color =
816 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
817 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
818 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
819 bg_color =
820 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
821 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
822 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
823 } else {
824 fg_color =
825 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
826 (info->cmap.green[fg_color] & 0xFF00) |
827 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
828 bg_color =
829 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
830 (info->cmap.green[bg_color] & 0xFF00) |
831 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
832 }
833
834 writel(bg_color, engine + VIA_REG_CURSOR_BG);
835 writel(fg_color, engine + VIA_REG_CURSOR_FG);
836 }
837
838 if (cursor->set & FB_CUR_SETSHAPE) {
839 struct {
840 u8 data[CURSOR_SIZE];
841 u32 bak[CURSOR_SIZE / 4];
842 } *cr_data = kzalloc_obj(*cr_data, GFP_ATOMIC);
843 int size = ((cursor->image.width + 7) >> 3) *
844 cursor->image.height;
845
846 if (!cr_data)
847 return -ENOMEM;
848
849 if (cur_size == 32) {
850 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
851 cr_data->bak[i] = 0x0;
852 cr_data->bak[i + 1] = 0xFFFFFFFF;
853 i += 1;
854 }
855 } else {
856 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
857 cr_data->bak[i] = 0x0;
858 cr_data->bak[i + 1] = 0x0;
859 cr_data->bak[i + 2] = 0xFFFFFFFF;
860 cr_data->bak[i + 3] = 0xFFFFFFFF;
861 i += 3;
862 }
863 }
864
865 switch (cursor->rop) {
866 case ROP_XOR:
867 for (i = 0; i < size; i++)
868 cr_data->data[i] = cursor->mask[i];
869 break;
870 case ROP_COPY:
871
872 for (i = 0; i < size; i++)
873 cr_data->data[i] = cursor->mask[i];
874 break;
875 default:
876 break;
877 }
878
879 if (cur_size == 32) {
880 for (i = 0; i < size; i++) {
881 cr_data->bak[j] = (u32) cr_data->data[i];
882 cr_data->bak[j + 1] = ~cr_data->bak[j];
883 j += 2;
884 }
885 } else {
886 for (i = 0; i < size; i++) {
887 cr_data->bak[j] = (u32) cr_data->data[i];
888 cr_data->bak[j + 1] = 0x0;
889 cr_data->bak[j + 2] = ~cr_data->bak[j];
890 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
891 j += 4;
892 }
893 }
894
895 memcpy_toio(viafbinfo->screen_base + viapar->shared->
896 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
897 kfree(cr_data);
898 }
899
900 if (cursor->enable)
901 viafb_show_hw_cursor(info, HW_Cursor_ON);
902
903 return 0;
904}
905
906static int viafb_sync(struct fb_info *info)
907{
908 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
909 viafb_wait_engine_idle(info);
910 return 0;
911}
912
913static int get_primary_device(void)
914{
915 int primary_device = 0;
916 /* Rule: device on iga1 path are the primary device. */
917 if (viafb_SAMM_ON) {
918 if (viafb_CRT_ON) {
919 if (viaparinfo->shared->iga1_devices & VIA_CRT) {
920 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1);
921 primary_device = CRT_Device;
922 }
923 }
924 if (viafb_DVI_ON) {
925 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
926 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
927 viaparinfo->
928 tmds_setting_info->iga_path);
929 primary_device = DVI_Device;
930 }
931 }
932 if (viafb_LCD_ON) {
933 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
934 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
935 viaparinfo->
936 lvds_setting_info->iga_path);
937 primary_device = LCD_Device;
938 }
939 }
940 if (viafb_LCD2_ON) {
941 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
942 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
943 viaparinfo->
944 lvds_setting_info2->iga_path);
945 primary_device = LCD2_Device;
946 }
947 }
948 }
949 return primary_device;
950}
951
952static void retrieve_device_setting(struct viafb_ioctl_setting
953 *setting_info)
954{
955
956 /* get device status */
957 if (viafb_CRT_ON == 1)
958 setting_info->device_status = CRT_Device;
959 if (viafb_DVI_ON == 1)
960 setting_info->device_status |= DVI_Device;
961 if (viafb_LCD_ON == 1)
962 setting_info->device_status |= LCD_Device;
963 if (viafb_LCD2_ON == 1)
964 setting_info->device_status |= LCD2_Device;
965
966 setting_info->samm_status = viafb_SAMM_ON;
967 setting_info->primary_device = get_primary_device();
968
969 setting_info->first_dev_bpp = viafb_bpp;
970 setting_info->second_dev_bpp = viafb_bpp1;
971
972 setting_info->first_dev_refresh = viafb_refresh;
973 setting_info->second_dev_refresh = viafb_refresh1;
974
975 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
976 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
977 setting_info->second_dev_hor_res = viafb_second_xres;
978 setting_info->second_dev_ver_res = viafb_second_yres;
979
980 /* Get lcd attributes */
981 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
982 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
983 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
984}
985
986static int __init parse_active_dev(void)
987{
988 viafb_CRT_ON = STATE_OFF;
989 viafb_DVI_ON = STATE_OFF;
990 viafb_LCD_ON = STATE_OFF;
991 viafb_LCD2_ON = STATE_OFF;
992 /* 1. Modify the active status of devices. */
993 /* 2. Keep the order of devices, so we can set corresponding
994 IGA path to devices in SAMM case. */
995 /* Note: The previous of active_dev is primary device,
996 and the following is secondary device. */
997 if (!viafb_active_dev) {
998 if (machine_is_olpc()) { /* LCD only */
999 viafb_LCD_ON = STATE_ON;
1000 viafb_SAMM_ON = STATE_OFF;
1001 } else {
1002 viafb_CRT_ON = STATE_ON;
1003 viafb_SAMM_ON = STATE_OFF;
1004 }
1005 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1006 /* CRT+DVI */
1007 viafb_CRT_ON = STATE_ON;
1008 viafb_DVI_ON = STATE_ON;
1009 viafb_primary_dev = CRT_Device;
1010 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1011 /* DVI+CRT */
1012 viafb_CRT_ON = STATE_ON;
1013 viafb_DVI_ON = STATE_ON;
1014 viafb_primary_dev = DVI_Device;
1015 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1016 /* CRT+LCD */
1017 viafb_CRT_ON = STATE_ON;
1018 viafb_LCD_ON = STATE_ON;
1019 viafb_primary_dev = CRT_Device;
1020 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1021 /* LCD+CRT */
1022 viafb_CRT_ON = STATE_ON;
1023 viafb_LCD_ON = STATE_ON;
1024 viafb_primary_dev = LCD_Device;
1025 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1026 /* DVI+LCD */
1027 viafb_DVI_ON = STATE_ON;
1028 viafb_LCD_ON = STATE_ON;
1029 viafb_primary_dev = DVI_Device;
1030 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1031 /* LCD+DVI */
1032 viafb_DVI_ON = STATE_ON;
1033 viafb_LCD_ON = STATE_ON;
1034 viafb_primary_dev = LCD_Device;
1035 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1036 viafb_LCD_ON = STATE_ON;
1037 viafb_LCD2_ON = STATE_ON;
1038 viafb_primary_dev = LCD_Device;
1039 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1040 viafb_LCD_ON = STATE_ON;
1041 viafb_LCD2_ON = STATE_ON;
1042 viafb_primary_dev = LCD2_Device;
1043 } else if (!strcmp(viafb_active_dev, "CRT")) {
1044 /* CRT only */
1045 viafb_CRT_ON = STATE_ON;
1046 viafb_SAMM_ON = STATE_OFF;
1047 } else if (!strcmp(viafb_active_dev, "DVI")) {
1048 /* DVI only */
1049 viafb_DVI_ON = STATE_ON;
1050 viafb_SAMM_ON = STATE_OFF;
1051 } else if (!strcmp(viafb_active_dev, "LCD")) {
1052 /* LCD only */
1053 viafb_LCD_ON = STATE_ON;
1054 viafb_SAMM_ON = STATE_OFF;
1055 } else
1056 return -EINVAL;
1057
1058 return 0;
1059}
1060
1061static int parse_port(char *opt_str, int *output_interface)
1062{
1063 if (!strncmp(opt_str, "DVP0", 4))
1064 *output_interface = INTERFACE_DVP0;
1065 else if (!strncmp(opt_str, "DVP1", 4))
1066 *output_interface = INTERFACE_DVP1;
1067 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1068 *output_interface = INTERFACE_DFP;
1069 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1070 *output_interface = INTERFACE_DFP_HIGH;
1071 else if (!strncmp(opt_str, "DFP_LOW", 7))
1072 *output_interface = INTERFACE_DFP_LOW;
1073 else
1074 *output_interface = INTERFACE_NONE;
1075 return 0;
1076}
1077
1078static void parse_lcd_port(void)
1079{
1080 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1081 output_interface);
1082 /*Initialize to avoid unexpected behavior */
1083 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1084 INTERFACE_NONE;
1085
1086 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1087 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1088 output_interface);
1089}
1090
1091static void parse_dvi_port(void)
1092{
1093 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1094 output_interface);
1095
1096 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1097 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1098 output_interface);
1099}
1100
1101#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1102
1103/*
1104 * The proc filesystem read/write function, a simple proc implement to
1105 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1106 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1107 * CR9B, SR65, CR97, CR99
1108 */
1109static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1110{
1111 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1112 dvp0_data_dri =
1113 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1114 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1115 dvp0_clk_dri =
1116 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1117 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1118 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1119 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1120 return 0;
1121}
1122
1123static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1124{
1125 return single_open(file, viafb_dvp0_proc_show, NULL);
1126}
1127
1128static ssize_t viafb_dvp0_proc_write(struct file *file,
1129 const char __user *buffer, size_t count, loff_t *pos)
1130{
1131 char buf[20], *value, *pbuf;
1132 u8 reg_val = 0;
1133 unsigned long length, i;
1134 if (count < 1)
1135 return -EINVAL;
1136 length = count > 20 ? 20 : count;
1137 if (copy_from_user(&buf[0], buffer, length))
1138 return -EFAULT;
1139 buf[length - 1] = '\0'; /*Ensure end string */
1140 pbuf = &buf[0];
1141 for (i = 0; i < 3; i++) {
1142 value = strsep(&pbuf, " ");
1143 if (value != NULL) {
1144 if (kstrtou8(value, 0, &reg_val) < 0)
1145 return -EINVAL;
1146 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%lu]=:%x\n", i,
1147 reg_val);
1148 switch (i) {
1149 case 0:
1150 viafb_write_reg_mask(CR96, VIACR,
1151 reg_val, 0x0f);
1152 break;
1153 case 1:
1154 viafb_write_reg_mask(SR2A, VIASR,
1155 reg_val << 4, BIT5);
1156 viafb_write_reg_mask(SR1B, VIASR,
1157 reg_val << 1, BIT1);
1158 break;
1159 case 2:
1160 viafb_write_reg_mask(SR2A, VIASR,
1161 reg_val << 3, BIT4);
1162 viafb_write_reg_mask(SR1E, VIASR,
1163 reg_val << 2, BIT2);
1164 break;
1165 default:
1166 break;
1167 }
1168 } else {
1169 break;
1170 }
1171 }
1172 return count;
1173}
1174
1175static const struct proc_ops viafb_dvp0_proc_ops = {
1176 .proc_open = viafb_dvp0_proc_open,
1177 .proc_read = seq_read,
1178 .proc_lseek = seq_lseek,
1179 .proc_release = single_release,
1180 .proc_write = viafb_dvp0_proc_write,
1181};
1182
1183static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1184{
1185 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1186 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1187 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1188 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1189 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1190 return 0;
1191}
1192
1193static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1194{
1195 return single_open(file, viafb_dvp1_proc_show, NULL);
1196}
1197
1198static ssize_t viafb_dvp1_proc_write(struct file *file,
1199 const char __user *buffer, size_t count, loff_t *pos)
1200{
1201 char buf[20], *value, *pbuf;
1202 u8 reg_val = 0;
1203 unsigned long length, i;
1204 if (count < 1)
1205 return -EINVAL;
1206 length = count > 20 ? 20 : count;
1207 if (copy_from_user(&buf[0], buffer, length))
1208 return -EFAULT;
1209 buf[length - 1] = '\0'; /*Ensure end string */
1210 pbuf = &buf[0];
1211 for (i = 0; i < 3; i++) {
1212 value = strsep(&pbuf, " ");
1213 if (value != NULL) {
1214 if (kstrtou8(value, 0, &reg_val) < 0)
1215 return -EINVAL;
1216 switch (i) {
1217 case 0:
1218 viafb_write_reg_mask(CR9B, VIACR,
1219 reg_val, 0x0f);
1220 break;
1221 case 1:
1222 viafb_write_reg_mask(SR65, VIASR,
1223 reg_val << 2, 0x0c);
1224 break;
1225 case 2:
1226 viafb_write_reg_mask(SR65, VIASR,
1227 reg_val, 0x03);
1228 break;
1229 default:
1230 break;
1231 }
1232 } else {
1233 break;
1234 }
1235 }
1236 return count;
1237}
1238
1239static const struct proc_ops viafb_dvp1_proc_ops = {
1240 .proc_open = viafb_dvp1_proc_open,
1241 .proc_read = seq_read,
1242 .proc_lseek = seq_lseek,
1243 .proc_release = single_release,
1244 .proc_write = viafb_dvp1_proc_write,
1245};
1246
1247static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1248{
1249 u8 dfp_high = 0;
1250 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1251 seq_printf(m, "%x\n", dfp_high);
1252 return 0;
1253}
1254
1255static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1256{
1257 return single_open(file, viafb_dfph_proc_show, NULL);
1258}
1259
1260static ssize_t viafb_dfph_proc_write(struct file *file,
1261 const char __user *buffer, size_t count, loff_t *pos)
1262{
1263 int err;
1264 u8 reg_val;
1265 err = kstrtou8_from_user(buffer, count, 0, &reg_val);
1266 if (err)
1267 return err;
1268
1269 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1270 return count;
1271}
1272
1273static const struct proc_ops viafb_dfph_proc_ops = {
1274 .proc_open = viafb_dfph_proc_open,
1275 .proc_read = seq_read,
1276 .proc_lseek = seq_lseek,
1277 .proc_release = single_release,
1278 .proc_write = viafb_dfph_proc_write,
1279};
1280
1281static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1282{
1283 u8 dfp_low = 0;
1284 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1285 seq_printf(m, "%x\n", dfp_low);
1286 return 0;
1287}
1288
1289static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1290{
1291 return single_open(file, viafb_dfpl_proc_show, NULL);
1292}
1293
1294static ssize_t viafb_dfpl_proc_write(struct file *file,
1295 const char __user *buffer, size_t count, loff_t *pos)
1296{
1297 int err;
1298 u8 reg_val;
1299 err = kstrtou8_from_user(buffer, count, 0, &reg_val);
1300 if (err)
1301 return err;
1302
1303 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1304 return count;
1305}
1306
1307static const struct proc_ops viafb_dfpl_proc_ops = {
1308 .proc_open = viafb_dfpl_proc_open,
1309 .proc_read = seq_read,
1310 .proc_lseek = seq_lseek,
1311 .proc_release = single_release,
1312 .proc_write = viafb_dfpl_proc_write,
1313};
1314
1315static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1316{
1317 u8 vt1636_08 = 0, vt1636_09 = 0;
1318 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1319 case VT1636_LVDS:
1320 vt1636_08 =
1321 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1322 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1323 vt1636_09 =
1324 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1325 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1326 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1327 break;
1328 default:
1329 break;
1330 }
1331 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1332 case VT1636_LVDS:
1333 vt1636_08 =
1334 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1335 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1336 vt1636_09 =
1337 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1338 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1339 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1340 break;
1341 default:
1342 break;
1343 }
1344 return 0;
1345}
1346
1347static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1348{
1349 return single_open(file, viafb_vt1636_proc_show, NULL);
1350}
1351
1352static ssize_t viafb_vt1636_proc_write(struct file *file,
1353 const char __user *buffer, size_t count, loff_t *pos)
1354{
1355 char buf[30], *value, *pbuf;
1356 struct IODATA reg_val;
1357 unsigned long length, i;
1358 if (count < 1)
1359 return -EINVAL;
1360 length = count > 30 ? 30 : count;
1361 if (copy_from_user(&buf[0], buffer, length))
1362 return -EFAULT;
1363 buf[length - 1] = '\0'; /*Ensure end string */
1364 pbuf = &buf[0];
1365 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1366 case VT1636_LVDS:
1367 for (i = 0; i < 2; i++) {
1368 value = strsep(&pbuf, " ");
1369 if (value != NULL) {
1370 if (kstrtou8(value, 0, &reg_val.Data) < 0)
1371 return -EINVAL;
1372 switch (i) {
1373 case 0:
1374 reg_val.Index = 0x08;
1375 reg_val.Mask = 0x0f;
1376 viafb_gpio_i2c_write_mask_lvds
1377 (viaparinfo->lvds_setting_info,
1378 &viaparinfo->
1379 chip_info->lvds_chip_info,
1380 reg_val);
1381 break;
1382 case 1:
1383 reg_val.Index = 0x09;
1384 reg_val.Mask = 0x1f;
1385 viafb_gpio_i2c_write_mask_lvds
1386 (viaparinfo->lvds_setting_info,
1387 &viaparinfo->
1388 chip_info->lvds_chip_info,
1389 reg_val);
1390 break;
1391 default:
1392 break;
1393 }
1394 } else {
1395 break;
1396 }
1397 }
1398 break;
1399 default:
1400 break;
1401 }
1402 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1403 case VT1636_LVDS:
1404 for (i = 0; i < 2; i++) {
1405 value = strsep(&pbuf, " ");
1406 if (value != NULL) {
1407 if (kstrtou8(value, 0, &reg_val.Data) < 0)
1408 return -EINVAL;
1409 switch (i) {
1410 case 0:
1411 reg_val.Index = 0x08;
1412 reg_val.Mask = 0x0f;
1413 viafb_gpio_i2c_write_mask_lvds
1414 (viaparinfo->lvds_setting_info2,
1415 &viaparinfo->
1416 chip_info->lvds_chip_info2,
1417 reg_val);
1418 break;
1419 case 1:
1420 reg_val.Index = 0x09;
1421 reg_val.Mask = 0x1f;
1422 viafb_gpio_i2c_write_mask_lvds
1423 (viaparinfo->lvds_setting_info2,
1424 &viaparinfo->
1425 chip_info->lvds_chip_info2,
1426 reg_val);
1427 break;
1428 default:
1429 break;
1430 }
1431 } else {
1432 break;
1433 }
1434 }
1435 break;
1436 default:
1437 break;
1438 }
1439 return count;
1440}
1441
1442static const struct proc_ops viafb_vt1636_proc_ops = {
1443 .proc_open = viafb_vt1636_proc_open,
1444 .proc_read = seq_read,
1445 .proc_lseek = seq_lseek,
1446 .proc_release = single_release,
1447 .proc_write = viafb_vt1636_proc_write,
1448};
1449
1450#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1451
1452static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1453{
1454 via_odev_to_seq(m, supported_odev_map[
1455 viaparinfo->shared->chip_info.gfx_chip_name]);
1456 return 0;
1457}
1458
1459static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1460{
1461 char buf[64], *ptr = buf;
1462 u32 devices;
1463 bool add, sub;
1464
1465 if (count < 1 || count > 63)
1466 return -EINVAL;
1467 if (copy_from_user(&buf[0], buffer, count))
1468 return -EFAULT;
1469 buf[count] = '\0';
1470 add = buf[0] == '+';
1471 sub = buf[0] == '-';
1472 if (add || sub)
1473 ptr++;
1474 devices = via_parse_odev(ptr, &ptr);
1475 if (*ptr == '\n')
1476 ptr++;
1477 if (*ptr != 0)
1478 return -EINVAL;
1479 if (add)
1480 *odev |= devices;
1481 else if (sub)
1482 *odev &= ~devices;
1483 else
1484 *odev = devices;
1485 return count;
1486}
1487
1488static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1489{
1490 via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1491 return 0;
1492}
1493
1494static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1495{
1496 return single_open(file, viafb_iga1_odev_proc_show, NULL);
1497}
1498
1499static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1500 const char __user *buffer, size_t count, loff_t *pos)
1501{
1502 u32 dev_on, dev_off, dev_old, dev_new;
1503 ssize_t res;
1504
1505 dev_old = dev_new = viaparinfo->shared->iga1_devices;
1506 res = odev_update(buffer, count, &dev_new);
1507 if (res != count)
1508 return res;
1509 dev_off = dev_old & ~dev_new;
1510 dev_on = dev_new & ~dev_old;
1511 viaparinfo->shared->iga1_devices = dev_new;
1512 viaparinfo->shared->iga2_devices &= ~dev_new;
1513 via_set_state(dev_off, VIA_STATE_OFF);
1514 via_set_source(dev_new, IGA1);
1515 via_set_state(dev_on, VIA_STATE_ON);
1516 return res;
1517}
1518
1519static const struct proc_ops viafb_iga1_odev_proc_ops = {
1520 .proc_open = viafb_iga1_odev_proc_open,
1521 .proc_read = seq_read,
1522 .proc_lseek = seq_lseek,
1523 .proc_release = single_release,
1524 .proc_write = viafb_iga1_odev_proc_write,
1525};
1526
1527static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1528{
1529 via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1530 return 0;
1531}
1532
1533static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1534{
1535 return single_open(file, viafb_iga2_odev_proc_show, NULL);
1536}
1537
1538static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1539 const char __user *buffer, size_t count, loff_t *pos)
1540{
1541 u32 dev_on, dev_off, dev_old, dev_new;
1542 ssize_t res;
1543
1544 dev_old = dev_new = viaparinfo->shared->iga2_devices;
1545 res = odev_update(buffer, count, &dev_new);
1546 if (res != count)
1547 return res;
1548 dev_off = dev_old & ~dev_new;
1549 dev_on = dev_new & ~dev_old;
1550 viaparinfo->shared->iga2_devices = dev_new;
1551 viaparinfo->shared->iga1_devices &= ~dev_new;
1552 via_set_state(dev_off, VIA_STATE_OFF);
1553 via_set_source(dev_new, IGA2);
1554 via_set_state(dev_on, VIA_STATE_ON);
1555 return res;
1556}
1557
1558static const struct proc_ops viafb_iga2_odev_proc_ops = {
1559 .proc_open = viafb_iga2_odev_proc_open,
1560 .proc_read = seq_read,
1561 .proc_lseek = seq_lseek,
1562 .proc_release = single_release,
1563 .proc_write = viafb_iga2_odev_proc_write,
1564};
1565
1566#define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1567static void viafb_init_proc(struct viafb_shared *shared)
1568{
1569 struct proc_dir_entry *iga1_entry, *iga2_entry,
1570 *viafb_entry = proc_mkdir("viafb", NULL);
1571
1572 shared->proc_entry = viafb_entry;
1573 if (viafb_entry) {
1574#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1575 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_ops);
1576 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_ops);
1577 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_ops);
1578 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_ops);
1579 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1580 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1581 proc_create("vt1636", 0, viafb_entry,
1582 &viafb_vt1636_proc_ops);
1583#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1584
1585 proc_create_single("supported_output_devices", 0, viafb_entry,
1586 viafb_sup_odev_proc_show);
1587 iga1_entry = proc_mkdir("iga1", viafb_entry);
1588 shared->iga1_proc_entry = iga1_entry;
1589 proc_create("output_devices", 0, iga1_entry,
1590 &viafb_iga1_odev_proc_ops);
1591 iga2_entry = proc_mkdir("iga2", viafb_entry);
1592 shared->iga2_proc_entry = iga2_entry;
1593 proc_create("output_devices", 0, iga2_entry,
1594 &viafb_iga2_odev_proc_ops);
1595 }
1596}
1597static void viafb_remove_proc(struct viafb_shared *shared)
1598{
1599 struct proc_dir_entry *viafb_entry = shared->proc_entry;
1600
1601 if (!viafb_entry)
1602 return;
1603
1604 remove_proc_entry("output_devices", shared->iga2_proc_entry);
1605 remove_proc_entry("iga2", viafb_entry);
1606 remove_proc_entry("output_devices", shared->iga1_proc_entry);
1607 remove_proc_entry("iga1", viafb_entry);
1608 remove_proc_entry("supported_output_devices", viafb_entry);
1609
1610#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1611 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1612 remove_proc_entry("dvp1", viafb_entry);
1613 remove_proc_entry("dfph", viafb_entry);
1614 remove_proc_entry("dfpl", viafb_entry);
1615 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1616 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1617 remove_proc_entry("vt1636", viafb_entry);
1618#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1619
1620 remove_proc_entry("viafb", NULL);
1621}
1622#undef IS_VT1636
1623
1624static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres)
1625{
1626 const struct fb_videomode *mode = NULL;
1627 char *ptr;
1628
1629 if (!str) {
1630 if (devices == VIA_CRT)
1631 mode = via_aux_get_preferred_mode(
1632 viaparinfo->shared->i2c_26);
1633 else if (devices == VIA_DVP1)
1634 mode = via_aux_get_preferred_mode(
1635 viaparinfo->shared->i2c_31);
1636
1637 if (mode) {
1638 *xres = mode->xres;
1639 *yres = mode->yres;
1640 } else if (machine_is_olpc()) {
1641 *xres = 1200;
1642 *yres = 900;
1643 } else {
1644 *xres = 640;
1645 *yres = 480;
1646 }
1647 return 0;
1648 }
1649
1650 *xres = simple_strtoul(str, &ptr, 10);
1651 if (ptr[0] != 'x')
1652 return -EINVAL;
1653
1654 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1655 if (ptr[0])
1656 return -EINVAL;
1657
1658 return 0;
1659}
1660
1661
1662#ifdef CONFIG_PM
1663static int viafb_suspend(void *unused)
1664{
1665 console_lock();
1666 fb_set_suspend(viafbinfo, 1);
1667 viafb_sync(viafbinfo);
1668 console_unlock();
1669
1670 return 0;
1671}
1672
1673static int viafb_resume(void *unused)
1674{
1675 console_lock();
1676 if (viaparinfo->shared->vdev->engine_mmio)
1677 viafb_reset_engine(viaparinfo);
1678 viafb_set_par(viafbinfo);
1679 if (viafb_dual_fb)
1680 viafb_set_par(viafbinfo1);
1681 fb_set_suspend(viafbinfo, 0);
1682
1683 console_unlock();
1684 return 0;
1685}
1686
1687static struct viafb_pm_hooks viafb_fb_pm_hooks = {
1688 .suspend = viafb_suspend,
1689 .resume = viafb_resume
1690};
1691
1692#endif
1693
1694static void i2c_bus_probe(struct viafb_shared *shared)
1695{
1696 /* should be always CRT */
1697 printk(KERN_INFO "viafb: Probing I2C bus 0x26\n");
1698 shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26));
1699
1700 /* seems to be usually DVP1 */
1701 printk(KERN_INFO "viafb: Probing I2C bus 0x31\n");
1702 shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31));
1703
1704 /* FIXME: what is this? */
1705 if (!machine_is_olpc()) {
1706 printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n");
1707 shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C));
1708 }
1709
1710 printk(KERN_INFO "viafb: Finished I2C bus probing");
1711}
1712
1713static void i2c_bus_free(struct viafb_shared *shared)
1714{
1715 via_aux_free(shared->i2c_26);
1716 via_aux_free(shared->i2c_31);
1717 via_aux_free(shared->i2c_2C);
1718}
1719
1720int via_fb_pci_probe(struct viafb_dev *vdev)
1721{
1722 u32 default_xres, default_yres;
1723 struct fb_var_screeninfo default_var;
1724 int rc;
1725 u32 viafb_par_length;
1726
1727 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1728 memset(&default_var, 0, sizeof(default_var));
1729 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1730
1731 /* Allocate fb_info and ***_par here, also including some other needed
1732 * variables
1733 */
1734 viafbinfo = framebuffer_alloc(viafb_par_length +
1735 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1736 &vdev->pdev->dev);
1737 if (!viafbinfo)
1738 return -ENOMEM;
1739
1740 viaparinfo = (struct viafb_par *)viafbinfo->par;
1741 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1742 viaparinfo->shared->vdev = vdev;
1743 viaparinfo->vram_addr = 0;
1744 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1745 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1746 viaparinfo->lvds_setting_info2 =
1747 &viaparinfo->shared->lvds_setting_info2;
1748 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1749
1750 i2c_bus_probe(viaparinfo->shared);
1751 if (viafb_dual_fb)
1752 viafb_SAMM_ON = 1;
1753 parse_lcd_port();
1754 parse_dvi_port();
1755
1756 viafb_init_chip_info(vdev->chip_type);
1757 /*
1758 * The framebuffer will have been successfully mapped by
1759 * the core (or we'd not be here), but we still need to
1760 * set up our own accounting.
1761 */
1762 viaparinfo->fbmem = vdev->fbmem_start;
1763 viaparinfo->memsize = vdev->fbmem_len;
1764 viaparinfo->fbmem_free = viaparinfo->memsize;
1765 viaparinfo->fbmem_used = 0;
1766 viafbinfo->screen_base = vdev->fbmem;
1767
1768 viafbinfo->fix.mmio_start = vdev->engine_start;
1769 viafbinfo->fix.mmio_len = vdev->engine_len;
1770 viafbinfo->node = 0;
1771 viafbinfo->fbops = &viafb_ops;
1772 viafbinfo->flags = FBINFO_HWACCEL_YPAN;
1773
1774 viafbinfo->pseudo_palette = pseudo_pal;
1775 if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
1776 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1777 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1778 default_var.accel_flags = FB_ACCELF_TEXT;
1779 } else {
1780 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1781 default_var.accel_flags = 0;
1782 }
1783
1784 if (viafb_second_size && (viafb_second_size < 8)) {
1785 viafb_second_offset = viaparinfo->fbmem_free -
1786 viafb_second_size * 1024 * 1024;
1787 } else {
1788 viafb_second_size = 8;
1789 viafb_second_offset = viaparinfo->fbmem_free -
1790 viafb_second_size * 1024 * 1024;
1791 }
1792
1793 parse_mode(viafb_mode, viaparinfo->shared->iga1_devices,
1794 &default_xres, &default_yres);
1795 if (viafb_SAMM_ON == 1)
1796 parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices,
1797 &viafb_second_xres, &viafb_second_yres);
1798
1799 default_var.xres = default_xres;
1800 default_var.yres = default_yres;
1801 default_var.xres_virtual = default_xres;
1802 default_var.yres_virtual = default_yres;
1803 default_var.bits_per_pixel = viafb_bpp;
1804 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode(
1805 default_var.xres, default_var.yres, viafb_refresh));
1806 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1807 viafbinfo->var = default_var;
1808
1809 if (viafb_dual_fb) {
1810 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1811 &vdev->pdev->dev);
1812 if (!viafbinfo1) {
1813 rc = -ENOMEM;
1814 goto out_fb_release;
1815 }
1816 viaparinfo1 = viafbinfo1->par;
1817 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1818 viaparinfo1->vram_addr = viafb_second_offset;
1819 viaparinfo1->memsize = viaparinfo->memsize -
1820 viafb_second_offset;
1821 viaparinfo->memsize = viafb_second_offset;
1822 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1823
1824 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1825 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1826 viaparinfo1->fbmem_used;
1827 viaparinfo->fbmem_free = viaparinfo->memsize;
1828 viaparinfo->fbmem_used = 0;
1829
1830 viaparinfo->iga_path = IGA1;
1831 viaparinfo1->iga_path = IGA2;
1832 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1833 viafbinfo1->par = viaparinfo1;
1834 viafbinfo1->screen_base = viafbinfo->screen_base +
1835 viafb_second_offset;
1836
1837 default_var.xres = viafb_second_xres;
1838 default_var.yres = viafb_second_yres;
1839 default_var.xres_virtual = viafb_second_xres;
1840 default_var.yres_virtual = viafb_second_yres;
1841 default_var.bits_per_pixel = viafb_bpp1;
1842 viafb_fill_var_timing_info(&default_var, viafb_get_best_mode(
1843 default_var.xres, default_var.yres, viafb_refresh1));
1844
1845 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1846 viafb_check_var(&default_var, viafbinfo1);
1847 viafbinfo1->var = default_var;
1848 viafb_update_fix(viafbinfo1);
1849 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1850 &viafbinfo1->fix);
1851 }
1852
1853 viafb_check_var(&viafbinfo->var, viafbinfo);
1854 viafb_update_fix(viafbinfo);
1855 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1856 &viafbinfo->fix);
1857 default_var.activate = FB_ACTIVATE_NOW;
1858 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1859 if (rc)
1860 goto out_fb1_release;
1861
1862 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1863 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1864 rc = register_framebuffer(viafbinfo1);
1865 if (rc)
1866 goto out_dealloc_cmap;
1867 }
1868 rc = register_framebuffer(viafbinfo);
1869 if (rc)
1870 goto out_fb1_unreg_lcd_cle266;
1871
1872 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1873 || (viaparinfo->chip_info->gfx_chip_name !=
1874 UNICHROME_CLE266))) {
1875 rc = register_framebuffer(viafbinfo1);
1876 if (rc)
1877 goto out_fb_unreg;
1878 }
1879 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1880 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1881 default_var.yres, default_var.bits_per_pixel);
1882
1883 viafb_init_proc(viaparinfo->shared);
1884 viafb_init_dac(IGA2);
1885
1886#ifdef CONFIG_PM
1887 viafb_pm_register(&viafb_fb_pm_hooks);
1888#endif
1889 return 0;
1890
1891out_fb_unreg:
1892 unregister_framebuffer(viafbinfo);
1893out_fb1_unreg_lcd_cle266:
1894 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1895 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1896 unregister_framebuffer(viafbinfo1);
1897out_dealloc_cmap:
1898 fb_dealloc_cmap(&viafbinfo->cmap);
1899out_fb1_release:
1900 framebuffer_release(viafbinfo1);
1901out_fb_release:
1902 i2c_bus_free(viaparinfo->shared);
1903 framebuffer_release(viafbinfo);
1904 return rc;
1905}
1906
1907void via_fb_pci_remove(struct pci_dev *pdev)
1908{
1909 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1910 fb_dealloc_cmap(&viafbinfo->cmap);
1911 unregister_framebuffer(viafbinfo);
1912 if (viafb_dual_fb)
1913 unregister_framebuffer(viafbinfo1);
1914 viafb_remove_proc(viaparinfo->shared);
1915 i2c_bus_free(viaparinfo->shared);
1916 framebuffer_release(viafbinfo);
1917 if (viafb_dual_fb)
1918 framebuffer_release(viafbinfo1);
1919}
1920
1921#ifndef MODULE
1922static int __init viafb_setup(void)
1923{
1924 char *this_opt;
1925 char *options;
1926
1927 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1928
1929 if (fb_get_options("viafb", &options))
1930 return -ENODEV;
1931
1932 if (!options || !*options)
1933 return 0;
1934
1935 while ((this_opt = strsep(&options, ",")) != NULL) {
1936 if (!*this_opt)
1937 continue;
1938
1939 if (!strncmp(this_opt, "viafb_mode1=", 12)) {
1940 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1941 if (!viafb_mode1)
1942 return -ENOMEM;
1943 } else if (!strncmp(this_opt, "viafb_mode=", 11)) {
1944 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1945 if (!viafb_mode)
1946 return -ENOMEM;
1947 } else if (!strncmp(this_opt, "viafb_bpp1=", 11)) {
1948 if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0)
1949 return -EINVAL;
1950 } else if (!strncmp(this_opt, "viafb_bpp=", 10)) {
1951 if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0)
1952 return -EINVAL;
1953 } else if (!strncmp(this_opt, "viafb_refresh1=", 15)) {
1954 if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0)
1955 return -EINVAL;
1956 } else if (!strncmp(this_opt, "viafb_refresh=", 14)) {
1957 if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0)
1958 return -EINVAL;
1959 } else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) {
1960 if (kstrtoint(this_opt + 21, 0,
1961 &viafb_lcd_dsp_method) < 0)
1962 return -EINVAL;
1963 } else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) {
1964 if (kstrtoint(this_opt + 19, 0,
1965 &viafb_lcd_panel_id) < 0)
1966 return -EINVAL;
1967 } else if (!strncmp(this_opt, "viafb_accel=", 12)) {
1968 if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0)
1969 return -EINVAL;
1970 } else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) {
1971 if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0)
1972 return -EINVAL;
1973 } else if (!strncmp(this_opt, "viafb_active_dev=", 17)) {
1974 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1975 if (!viafb_active_dev)
1976 return -ENOMEM;
1977 } else if (!strncmp(this_opt,
1978 "viafb_display_hardware_layout=", 30)) {
1979 if (kstrtoint(this_opt + 30, 0,
1980 &viafb_display_hardware_layout) < 0)
1981 return -EINVAL;
1982 } else if (!strncmp(this_opt, "viafb_second_size=", 18)) {
1983 if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0)
1984 return -EINVAL;
1985 } else if (!strncmp(this_opt,
1986 "viafb_platform_epia_dvi=", 24)) {
1987 if (kstrtoint(this_opt + 24, 0,
1988 &viafb_platform_epia_dvi) < 0)
1989 return -EINVAL;
1990 } else if (!strncmp(this_opt,
1991 "viafb_device_lcd_dualedge=", 26)) {
1992 if (kstrtoint(this_opt + 26, 0,
1993 &viafb_device_lcd_dualedge) < 0)
1994 return -EINVAL;
1995 } else if (!strncmp(this_opt, "viafb_bus_width=", 16)) {
1996 if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0)
1997 return -EINVAL;
1998 } else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) {
1999 if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0)
2000 return -EINVAL;
2001 } else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) {
2002 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2003 if (!viafb_lcd_port)
2004 return -ENOMEM;
2005 } else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) {
2006 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2007 if (!viafb_dvi_port)
2008 return -ENOMEM;
2009 }
2010 }
2011 return 0;
2012}
2013#endif
2014
2015/*
2016 * These are called out of via-core for now.
2017 */
2018int __init viafb_init(void)
2019{
2020 u32 dummy_x, dummy_y;
2021 int r = 0;
2022
2023 if (machine_is_olpc())
2024 /* Apply XO-1.5-specific configuration. */
2025 viafb_lcd_panel_id = 23;
2026
2027#ifndef MODULE
2028 r = viafb_setup();
2029 if (r < 0)
2030 return r;
2031#endif
2032 if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y)
2033 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh)
2034 || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y)
2035 || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1)
2036 || viafb_bpp < 0 || viafb_bpp > 32
2037 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2038 || parse_active_dev())
2039 return -EINVAL;
2040
2041 printk(KERN_INFO
2042 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n",
2043 VERSION_MAJOR, VERSION_MINOR);
2044 return r;
2045}
2046
2047void __exit viafb_exit(void)
2048{
2049 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2050}
2051
2052static struct fb_ops viafb_ops = {
2053 .owner = THIS_MODULE,
2054 .fb_open = viafb_open,
2055 .fb_release = viafb_release,
2056 __FB_DEFAULT_IOMEM_OPS_RDWR,
2057 .fb_check_var = viafb_check_var,
2058 .fb_set_par = viafb_set_par,
2059 .fb_setcolreg = viafb_setcolreg,
2060 .fb_pan_display = viafb_pan_display,
2061 .fb_blank = viafb_blank,
2062 .fb_fillrect = viafb_fillrect,
2063 .fb_copyarea = viafb_copyarea,
2064 .fb_imageblit = viafb_imageblit,
2065 .fb_cursor = viafb_cursor,
2066 .fb_ioctl = viafb_ioctl,
2067 .fb_sync = viafb_sync,
2068 __FB_DEFAULT_IOMEM_OPS_MMAP,
2069};
2070
2071
2072#ifdef MODULE
2073module_param(viafb_mode, charp, S_IRUSR);
2074MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2075
2076module_param(viafb_mode1, charp, S_IRUSR);
2077MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2078
2079module_param(viafb_bpp, int, S_IRUSR);
2080MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2081
2082module_param(viafb_bpp1, int, S_IRUSR);
2083MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2084
2085module_param(viafb_refresh, int, S_IRUSR);
2086MODULE_PARM_DESC(viafb_refresh,
2087 "Set CRT viafb_refresh rate (default = 60)");
2088
2089module_param(viafb_refresh1, int, S_IRUSR);
2090MODULE_PARM_DESC(viafb_refresh1,
2091 "Set CRT refresh rate (default = 60)");
2092
2093module_param(viafb_lcd_panel_id, int, S_IRUSR);
2094MODULE_PARM_DESC(viafb_lcd_panel_id,
2095 "Set Flat Panel type(Default=1024x768)");
2096
2097module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2098MODULE_PARM_DESC(viafb_lcd_dsp_method,
2099 "Set Flat Panel display scaling method.(Default=Expansion)");
2100
2101module_param(viafb_SAMM_ON, int, S_IRUSR);
2102MODULE_PARM_DESC(viafb_SAMM_ON,
2103 "Turn on/off flag of SAMM(Default=OFF)");
2104
2105module_param(viafb_accel, int, S_IRUSR);
2106MODULE_PARM_DESC(viafb_accel,
2107 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2108
2109module_param(viafb_active_dev, charp, S_IRUSR);
2110MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2111
2112module_param(viafb_display_hardware_layout, int, S_IRUSR);
2113MODULE_PARM_DESC(viafb_display_hardware_layout,
2114 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2115
2116module_param(viafb_second_size, int, S_IRUSR);
2117MODULE_PARM_DESC(viafb_second_size,
2118 "Set secondary device memory size");
2119
2120module_param(viafb_dual_fb, int, S_IRUSR);
2121MODULE_PARM_DESC(viafb_dual_fb,
2122 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2123
2124module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2125MODULE_PARM_DESC(viafb_platform_epia_dvi,
2126 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2127
2128module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2129MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2130 "Turn on/off flag of dual edge panel.(Default = OFF)");
2131
2132module_param(viafb_bus_width, int, S_IRUSR);
2133MODULE_PARM_DESC(viafb_bus_width,
2134 "Set bus width of panel.(Default = 12)");
2135
2136module_param(viafb_lcd_mode, int, S_IRUSR);
2137MODULE_PARM_DESC(viafb_lcd_mode,
2138 "Set Flat Panel mode(Default=OPENLDI)");
2139
2140module_param(viafb_lcd_port, charp, S_IRUSR);
2141MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2142
2143module_param(viafb_dvi_port, charp, S_IRUSR);
2144MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2145
2146MODULE_DESCRIPTION("VIA UniChrome (Pro) and Chrome9 display driver");
2147MODULE_LICENSE("GPL");
2148#endif