2 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
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.
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
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
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #include <linux/module.h>
23 #include <linux/seq_file.h>
24 #include <linux/stat.h>
30 static char *viafb_name = "Via";
31 static u32 pseudo_pal[17];
34 static char *viafb_mode;
35 static char *viafb_mode1;
36 static int viafb_bpp = 32;
37 static int viafb_bpp1 = 32;
39 static unsigned int viafb_second_offset;
40 static int viafb_second_size;
42 static int viafb_accel = 1;
44 /* Added for specifying active devices.*/
45 char *viafb_active_dev;
47 /*Added for specify lcd output port*/
48 char *viafb_lcd_port = "";
49 char *viafb_dvi_port = "";
51 static void viafb_set_device(struct device_t active_dev);
52 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
53 struct fb_info *info);
54 static void apply_second_mode_setting(struct fb_var_screeninfo
56 static void retrieve_device_setting(struct viafb_ioctl_setting
58 static int viafb_pan_display(struct fb_var_screeninfo *var,
59 struct fb_info *info);
61 static struct fb_ops viafb_ops;
64 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
67 var->red.msb_right = 0;
68 var->green.msb_right = 0;
69 var->blue.msb_right = 0;
70 var->transp.offset = 0;
71 var->transp.length = 0;
72 var->transp.msb_right = 0;
76 var->bits_per_pixel = 8;
78 var->green.offset = 0;
81 var->green.length = 8;
85 var->bits_per_pixel = 16;
87 var->green.offset = 5;
90 var->green.length = 5;
94 var->bits_per_pixel = 16;
96 var->green.offset = 5;
99 var->green.length = 6;
100 var->blue.length = 5;
103 var->bits_per_pixel = 32;
104 var->red.offset = 16;
105 var->green.offset = 8;
106 var->blue.offset = 0;
108 var->green.length = 8;
109 var->blue.length = 8;
112 var->bits_per_pixel = 32;
113 var->red.offset = 20;
114 var->green.offset = 10;
115 var->blue.offset = 0;
116 var->red.length = 10;
117 var->green.length = 10;
118 var->blue.length = 10;
123 static void viafb_update_fix(struct fb_info *info)
125 u32 bpp = info->var.bits_per_pixel;
128 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
129 info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
132 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
133 struct viafb_par *viaparinfo)
135 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
136 strcpy(fix->id, viafb_name);
138 fix->smem_start = viaparinfo->fbmem;
139 fix->smem_len = viaparinfo->fbmem_free;
141 fix->type = FB_TYPE_PACKED_PIXELS;
143 fix->visual = FB_VISUAL_TRUECOLOR;
145 fix->xpanstep = fix->ywrapstep = 0;
148 /* Just tell the accel name */
149 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
151 static int viafb_open(struct fb_info *info, int user)
153 DEBUG_MSG(KERN_INFO "viafb_open!\n");
157 static int viafb_release(struct fb_info *info, int user)
159 DEBUG_MSG(KERN_INFO "viafb_release!\n");
163 static int viafb_check_var(struct fb_var_screeninfo *var,
164 struct fb_info *info)
166 int htotal, vtotal, depth;
167 struct VideoModeTable *vmode_entry;
168 struct viafb_par *ppar = info->par;
169 u32 long_refresh, line;
171 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
173 /* HW neither support interlacte nor double-scaned mode */
174 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
177 vmode_entry = viafb_get_mode(var->xres, var->yres);
180 "viafb: Mode %dx%dx%d not supported!!\n",
181 var->xres, var->yres, var->bits_per_pixel);
185 depth = fb_get_color_depth(var, &info->fix);
187 depth = var->bits_per_pixel;
189 if (depth < 0 || depth > 32)
193 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
195 else if (depth == 30)
199 else if (depth <= 16)
204 viafb_fill_var_color_info(var, depth);
205 line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
206 if (line * var->yres_virtual > ppar->memsize)
209 /* Based on var passed in to calculate the refresh,
210 * because our driver use some modes special.
212 htotal = var->xres + var->left_margin +
213 var->right_margin + var->hsync_len;
214 vtotal = var->yres + var->upper_margin +
215 var->lower_margin + var->vsync_len;
216 long_refresh = 1000000000UL / var->pixclock * 1000;
217 long_refresh /= (htotal * vtotal);
219 viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
221 /* Adjust var according to our driver's own table */
222 viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
223 if (info->var.accel_flags & FB_ACCELF_TEXT &&
224 !ppar->shared->vdev->engine_mmio)
225 info->var.accel_flags = 0;
230 static int viafb_set_par(struct fb_info *info)
232 struct viafb_par *viapar = info->par;
233 struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
234 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
236 viapar->depth = fb_get_color_depth(&info->var, &info->fix);
237 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
238 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
240 vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
242 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
243 viafbinfo1->var.yres);
244 viafb_update_device_setting(viafbinfo1->var.xres,
245 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
247 } else if (viafb_SAMM_ON == 1) {
249 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
250 viafb_second_xres, viafb_second_yres, viafb_bpp1);
251 vmode_entry1 = viafb_get_mode(viafb_second_xres,
254 viafb_update_device_setting(viafb_second_xres,
255 viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
259 viafb_update_fix(info);
260 if (viafb_dual_fb && viapar->iga_path == IGA2)
261 viafb_bpp1 = info->var.bits_per_pixel;
263 viafb_bpp = info->var.bits_per_pixel;
265 if (info->var.accel_flags & FB_ACCELF_TEXT)
266 info->flags &= ~FBINFO_HWACCEL_DISABLED;
268 info->flags |= FBINFO_HWACCEL_DISABLED;
269 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
270 vmode_entry1, viafb_bpp1);
271 viafb_pan_display(&info->var, info);
277 /* Set one color register */
278 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
279 unsigned blue, unsigned transp, struct fb_info *info)
281 struct viafb_par *viapar = info->par;
284 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
288 if (!viafb_dual_fb || viapar->iga_path == IGA1)
289 viafb_set_primary_color_register(regno, red >> 8,
290 green >> 8, blue >> 8);
292 if (!viafb_dual_fb || viapar->iga_path == IGA2)
293 viafb_set_secondary_color_register(regno, red >> 8,
294 green >> 8, blue >> 8);
299 r = (red >> (16 - info->var.red.length))
300 << info->var.red.offset;
301 b = (blue >> (16 - info->var.blue.length))
302 << info->var.blue.offset;
303 g = (green >> (16 - info->var.green.length))
304 << info->var.green.offset;
305 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
311 static int viafb_pan_display(struct fb_var_screeninfo *var,
312 struct fb_info *info)
314 struct viafb_par *viapar = info->par;
315 u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
316 * (var->bits_per_pixel / 8) + viapar->vram_addr;
318 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
319 if (!viafb_dual_fb) {
320 via_set_primary_address(vram_addr);
321 via_set_secondary_address(vram_addr);
322 } else if (viapar->iga_path == IGA1)
323 via_set_primary_address(vram_addr);
325 via_set_secondary_address(vram_addr);
330 static int viafb_blank(int blank_mode, struct fb_info *info)
332 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
333 /* clear DPMS setting */
335 switch (blank_mode) {
336 case FB_BLANK_UNBLANK:
337 /* Screen: On, HSync: On, VSync: On */
338 /* control CRT monitor power management */
339 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
341 case FB_BLANK_HSYNC_SUSPEND:
342 /* Screen: Off, HSync: Off, VSync: On */
343 /* control CRT monitor power management */
344 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
346 case FB_BLANK_VSYNC_SUSPEND:
347 /* Screen: Off, HSync: On, VSync: Off */
348 /* control CRT monitor power management */
349 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
351 case FB_BLANK_POWERDOWN:
352 /* Screen: Off, HSync: Off, VSync: Off */
353 /* control CRT monitor power management */
354 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
361 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
364 struct viafb_ioctl_mode viamode;
365 struct viafb_ioctl_samm viasamm;
366 struct viafb_driver_version driver_version;
367 struct fb_var_screeninfo sec_var;
368 struct _panel_size_pos_info panel_pos_size_para;
369 struct viafb_ioctl_setting viafb_setting;
370 struct device_t active_dev;
373 u32 *viafb_gamma_table;
374 char driver_name[] = "viafb";
376 u32 __user *argp = (u32 __user *) arg;
379 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
380 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
381 memset(&u, 0, sizeof(u));
384 case VIAFB_GET_CHIP_INFO:
385 if (copy_to_user(argp, viaparinfo->chip_info,
386 sizeof(struct chip_information)))
389 case VIAFB_GET_INFO_SIZE:
390 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
392 return viafb_ioctl_get_viafb_info(arg);
394 return put_user(viafb_ioctl_hotplug(info->var.xres,
396 info->var.bits_per_pixel), argp);
397 case VIAFB_SET_HOTPLUG_FLAG:
398 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
400 viafb_hotplug = (gpu32) ? 1 : 0;
402 case VIAFB_GET_RESOLUTION:
403 u.viamode.xres = (u32) viafb_hotplug_Xres;
404 u.viamode.yres = (u32) viafb_hotplug_Yres;
405 u.viamode.refresh = (u32) viafb_hotplug_refresh;
406 u.viamode.bpp = (u32) viafb_hotplug_bpp;
407 if (viafb_SAMM_ON == 1) {
408 u.viamode.xres_sec = viafb_second_xres;
409 u.viamode.yres_sec = viafb_second_yres;
410 u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
411 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
412 u.viamode.refresh_sec = viafb_refresh1;
413 u.viamode.bpp_sec = viafb_bpp1;
415 u.viamode.xres_sec = 0;
416 u.viamode.yres_sec = 0;
417 u.viamode.virtual_xres_sec = 0;
418 u.viamode.virtual_yres_sec = 0;
419 u.viamode.refresh_sec = 0;
420 u.viamode.bpp_sec = 0;
422 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
425 case VIAFB_GET_SAMM_INFO:
426 u.viasamm.samm_status = viafb_SAMM_ON;
428 if (viafb_SAMM_ON == 1) {
430 u.viasamm.size_prim = viaparinfo->fbmem_free;
431 u.viasamm.size_sec = viaparinfo1->fbmem_free;
433 if (viafb_second_size) {
434 u.viasamm.size_prim =
435 viaparinfo->fbmem_free -
436 viafb_second_size * 1024 * 1024;
438 viafb_second_size * 1024 * 1024;
440 u.viasamm.size_prim =
441 viaparinfo->fbmem_free >> 1;
443 (viaparinfo->fbmem_free >> 1);
446 u.viasamm.mem_base = viaparinfo->fbmem;
447 u.viasamm.offset_sec = viafb_second_offset;
449 u.viasamm.size_prim =
450 viaparinfo->memsize - viaparinfo->fbmem_used;
451 u.viasamm.size_sec = 0;
452 u.viasamm.mem_base = viaparinfo->fbmem;
453 u.viasamm.offset_sec = 0;
456 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
460 case VIAFB_TURN_ON_OUTPUT_DEVICE:
461 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
463 if (gpu32 & CRT_Device)
465 if (gpu32 & DVI_Device)
467 if (gpu32 & LCD_Device)
470 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
471 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
473 if (gpu32 & CRT_Device)
475 if (gpu32 & DVI_Device)
477 if (gpu32 & LCD_Device)
480 case VIAFB_SET_DEVICE:
481 if (copy_from_user(&u.active_dev, (void *)argp,
482 sizeof(u.active_dev)))
484 viafb_set_device(u.active_dev);
487 case VIAFB_GET_DEVICE:
488 u.active_dev.crt = viafb_CRT_ON;
489 u.active_dev.dvi = viafb_DVI_ON;
490 u.active_dev.lcd = viafb_LCD_ON;
491 u.active_dev.samm = viafb_SAMM_ON;
492 u.active_dev.primary_dev = viafb_primary_dev;
494 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
495 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
496 u.active_dev.lcd_mode = viafb_lcd_mode;
498 u.active_dev.xres = viafb_hotplug_Xres;
499 u.active_dev.yres = viafb_hotplug_Yres;
501 u.active_dev.xres1 = viafb_second_xres;
502 u.active_dev.yres1 = viafb_second_yres;
504 u.active_dev.bpp = viafb_bpp;
505 u.active_dev.bpp1 = viafb_bpp1;
506 u.active_dev.refresh = viafb_refresh;
507 u.active_dev.refresh1 = viafb_refresh1;
509 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
510 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
511 u.active_dev.bus_width = viafb_bus_width;
513 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
517 case VIAFB_GET_DRIVER_VERSION:
518 u.driver_version.iMajorNum = VERSION_MAJOR;
519 u.driver_version.iKernelNum = VERSION_KERNEL;
520 u.driver_version.iOSNum = VERSION_OS;
521 u.driver_version.iMinorNum = VERSION_MINOR;
523 if (copy_to_user(argp, &u.driver_version,
524 sizeof(u.driver_version)))
529 case VIAFB_SET_DEVICE_INFO:
530 if (copy_from_user(&u.viafb_setting,
531 argp, sizeof(u.viafb_setting)))
533 if (apply_device_setting(u.viafb_setting, info) < 0)
538 case VIAFB_SET_SECOND_MODE:
539 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
541 apply_second_mode_setting(&u.sec_var);
544 case VIAFB_GET_DEVICE_INFO:
546 retrieve_device_setting(&u.viafb_setting);
548 if (copy_to_user(argp, &u.viafb_setting,
549 sizeof(u.viafb_setting)))
554 case VIAFB_GET_DEVICE_SUPPORT:
555 viafb_get_device_support_state(&state_info);
556 if (put_user(state_info, argp))
560 case VIAFB_GET_DEVICE_CONNECT:
561 viafb_get_device_connect_state(&state_info);
562 if (put_user(state_info, argp))
566 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
568 viafb_lcd_get_support_expand_state(info->var.xres,
570 if (put_user(state_info, argp))
574 case VIAFB_GET_DRIVER_NAME:
575 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
579 case VIAFB_SET_GAMMA_LUT:
580 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
581 if (!viafb_gamma_table)
583 if (copy_from_user(viafb_gamma_table, argp,
584 256 * sizeof(u32))) {
585 kfree(viafb_gamma_table);
588 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
589 kfree(viafb_gamma_table);
592 case VIAFB_GET_GAMMA_LUT:
593 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
594 if (!viafb_gamma_table)
596 viafb_get_gamma_table(viafb_gamma_table);
597 if (copy_to_user(argp, viafb_gamma_table,
598 256 * sizeof(u32))) {
599 kfree(viafb_gamma_table);
602 kfree(viafb_gamma_table);
605 case VIAFB_GET_GAMMA_SUPPORT_STATE:
606 viafb_get_gamma_support_state(viafb_bpp, &state_info);
607 if (put_user(state_info, argp))
610 case VIAFB_SYNC_SURFACE:
611 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
613 case VIAFB_GET_DRIVER_CAPS:
616 case VIAFB_GET_PANEL_MAX_SIZE:
617 if (copy_from_user(&u.panel_pos_size_para, argp,
618 sizeof(u.panel_pos_size_para)))
620 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
621 if (copy_to_user(argp, &u.panel_pos_size_para,
622 sizeof(u.panel_pos_size_para)))
625 case VIAFB_GET_PANEL_MAX_POSITION:
626 if (copy_from_user(&u.panel_pos_size_para, argp,
627 sizeof(u.panel_pos_size_para)))
629 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
630 if (copy_to_user(argp, &u.panel_pos_size_para,
631 sizeof(u.panel_pos_size_para)))
635 case VIAFB_GET_PANEL_POSITION:
636 if (copy_from_user(&u.panel_pos_size_para, argp,
637 sizeof(u.panel_pos_size_para)))
639 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
640 if (copy_to_user(argp, &u.panel_pos_size_para,
641 sizeof(u.panel_pos_size_para)))
644 case VIAFB_GET_PANEL_SIZE:
645 if (copy_from_user(&u.panel_pos_size_para, argp,
646 sizeof(u.panel_pos_size_para)))
648 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
649 if (copy_to_user(argp, &u.panel_pos_size_para,
650 sizeof(u.panel_pos_size_para)))
654 case VIAFB_SET_PANEL_POSITION:
655 if (copy_from_user(&u.panel_pos_size_para, argp,
656 sizeof(u.panel_pos_size_para)))
659 case VIAFB_SET_PANEL_SIZE:
660 if (copy_from_user(&u.panel_pos_size_para, argp,
661 sizeof(u.panel_pos_size_para)))
672 static void viafb_fillrect(struct fb_info *info,
673 const struct fb_fillrect *rect)
675 struct viafb_par *viapar = info->par;
676 struct viafb_shared *shared = viapar->shared;
680 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
681 cfb_fillrect(info, rect);
685 if (!rect->width || !rect->height)
688 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
689 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
691 fg_color = rect->color;
693 if (rect->rop == ROP_XOR)
698 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
699 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
700 rect->width, rect->height, info->var.bits_per_pixel,
701 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
702 NULL, 0, 0, 0, 0, fg_color, 0, rop))
703 cfb_fillrect(info, rect);
706 static void viafb_copyarea(struct fb_info *info,
707 const struct fb_copyarea *area)
709 struct viafb_par *viapar = info->par;
710 struct viafb_shared *shared = viapar->shared;
712 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
713 cfb_copyarea(info, area);
717 if (!area->width || !area->height)
720 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
721 if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
722 area->width, area->height, info->var.bits_per_pixel,
723 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
724 NULL, viapar->vram_addr, info->fix.line_length,
725 area->sx, area->sy, 0, 0, 0))
726 cfb_copyarea(info, area);
729 static void viafb_imageblit(struct fb_info *info,
730 const struct fb_image *image)
732 struct viafb_par *viapar = info->par;
733 struct viafb_shared *shared = viapar->shared;
734 u32 fg_color = 0, bg_color = 0;
737 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
738 (image->depth != 1 && image->depth != viapar->depth)) {
739 cfb_imageblit(info, image);
743 if (image->depth == 1) {
744 op = VIA_BITBLT_MONO;
745 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
747 ((u32 *)info->pseudo_palette)[image->fg_color];
749 ((u32 *)info->pseudo_palette)[image->bg_color];
751 fg_color = image->fg_color;
752 bg_color = image->bg_color;
755 op = VIA_BITBLT_COLOR;
757 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
758 if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
759 image->width, image->height, info->var.bits_per_pixel,
760 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
761 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
762 cfb_imageblit(info, image);
765 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
767 struct viafb_par *viapar = info->par;
768 void __iomem *engine = viapar->shared->vdev->engine_mmio;
769 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
770 chip_name = viapar->shared->chip_info.gfx_chip_name;
771 int i, j = 0, cur_size = 64;
773 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
776 /* LCD ouput does not support hw cursors (at least on VN896) */
777 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
781 viafb_show_hw_cursor(info, HW_Cursor_OFF);
783 if (cursor->set & FB_CUR_SETHOT) {
784 temp = (cursor->hot.x << 16) + cursor->hot.y;
785 writel(temp, engine + VIA_REG_CURSOR_ORG);
788 if (cursor->set & FB_CUR_SETPOS) {
789 yy = cursor->image.dy - info->var.yoffset;
790 xx = cursor->image.dx - info->var.xoffset;
793 writel(temp, engine + VIA_REG_CURSOR_POS);
796 if (cursor->image.width <= 32 && cursor->image.height <= 32)
798 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
801 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
802 "%dx%d", cursor->image.width, cursor->image.height);
806 if (cursor->set & FB_CUR_SETSIZE) {
807 temp = readl(engine + VIA_REG_CURSOR_MODE);
813 writel(temp, engine + VIA_REG_CURSOR_MODE);
816 if (cursor->set & FB_CUR_SETCMAP) {
817 fg_color = cursor->image.fg_color;
818 bg_color = cursor->image.bg_color;
819 if (chip_name == UNICHROME_CX700 ||
820 chip_name == UNICHROME_VX800 ||
821 chip_name == UNICHROME_VX855) {
823 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
824 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
825 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
827 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
828 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
829 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
832 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
833 (info->cmap.green[fg_color] & 0xFF00) |
834 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
836 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
837 (info->cmap.green[bg_color] & 0xFF00) |
838 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
841 writel(bg_color, engine + VIA_REG_CURSOR_BG);
842 writel(fg_color, engine + VIA_REG_CURSOR_FG);
845 if (cursor->set & FB_CUR_SETSHAPE) {
847 u8 data[CURSOR_SIZE];
848 u32 bak[CURSOR_SIZE / 4];
849 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
850 int size = ((cursor->image.width + 7) >> 3) *
851 cursor->image.height;
856 if (cur_size == 32) {
857 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
858 cr_data->bak[i] = 0x0;
859 cr_data->bak[i + 1] = 0xFFFFFFFF;
863 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
864 cr_data->bak[i] = 0x0;
865 cr_data->bak[i + 1] = 0x0;
866 cr_data->bak[i + 2] = 0xFFFFFFFF;
867 cr_data->bak[i + 3] = 0xFFFFFFFF;
872 switch (cursor->rop) {
874 for (i = 0; i < size; i++)
875 cr_data->data[i] = cursor->mask[i];
879 for (i = 0; i < size; i++)
880 cr_data->data[i] = cursor->mask[i];
886 if (cur_size == 32) {
887 for (i = 0; i < size; i++) {
888 cr_data->bak[j] = (u32) cr_data->data[i];
889 cr_data->bak[j + 1] = ~cr_data->bak[j];
893 for (i = 0; i < size; i++) {
894 cr_data->bak[j] = (u32) cr_data->data[i];
895 cr_data->bak[j + 1] = 0x0;
896 cr_data->bak[j + 2] = ~cr_data->bak[j];
897 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
902 memcpy_toio(viafbinfo->screen_base + viapar->shared->
903 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
908 viafb_show_hw_cursor(info, HW_Cursor_ON);
913 static int viafb_sync(struct fb_info *info)
915 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
916 viafb_wait_engine_idle(info);
920 static void check_available_device_to_enable(int device_id)
925 viafb_CRT_ON = STATE_OFF;
926 viafb_DVI_ON = STATE_OFF;
927 viafb_LCD_ON = STATE_OFF;
928 viafb_LCD2_ON = STATE_OFF;
929 viafb_DeviceStatus = None_Device;
931 if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
932 viafb_CRT_ON = STATE_ON;
934 viafb_DeviceStatus |= CRT_Device;
937 if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
938 viafb_DVI_ON = STATE_ON;
940 viafb_DeviceStatus |= DVI_Device;
943 if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
944 viafb_LCD_ON = STATE_ON;
946 viafb_DeviceStatus |= LCD_Device;
949 if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
950 viafb_LCD2_ON = STATE_ON;
952 viafb_DeviceStatus |= LCD2_Device;
955 if (viafb_DeviceStatus == None_Device) {
956 /* Use CRT as default active device: */
957 viafb_CRT_ON = STATE_ON;
958 viafb_DeviceStatus = CRT_Device;
960 DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
963 static void viafb_set_device(struct device_t active_dev)
965 /* Check available device to enable: */
966 int device_id = None_Device;
968 device_id |= CRT_Device;
970 device_id |= DVI_Device;
972 device_id |= LCD_Device;
974 check_available_device_to_enable(device_id);
976 /* Check property of LCD: */
978 if (active_dev.lcd_dsp_cent) {
979 viaparinfo->lvds_setting_info->display_method =
980 viafb_lcd_dsp_method = LCD_CENTERING;
982 viaparinfo->lvds_setting_info->display_method =
983 viafb_lcd_dsp_method = LCD_EXPANDSION;
986 if (active_dev.lcd_mode == LCD_SPWG) {
987 viaparinfo->lvds_setting_info->lcd_mode =
988 viafb_lcd_mode = LCD_SPWG;
990 viaparinfo->lvds_setting_info->lcd_mode =
991 viafb_lcd_mode = LCD_OPENLDI;
994 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
995 viafb_lcd_panel_id = active_dev.lcd_panel_id;
996 viafb_init_lcd_size();
1000 /* Check property of mode: */
1001 if (!active_dev.xres1)
1002 viafb_second_xres = 640;
1004 viafb_second_xres = active_dev.xres1;
1005 if (!active_dev.yres1)
1006 viafb_second_yres = 480;
1008 viafb_second_yres = active_dev.yres1;
1009 if (active_dev.bpp != 0)
1010 viafb_bpp = active_dev.bpp;
1011 if (active_dev.bpp1 != 0)
1012 viafb_bpp1 = active_dev.bpp1;
1013 if (active_dev.refresh != 0)
1014 viafb_refresh = active_dev.refresh;
1015 if (active_dev.refresh1 != 0)
1016 viafb_refresh1 = active_dev.refresh1;
1017 if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1018 viafb_SAMM_ON = active_dev.samm;
1019 viafb_primary_dev = active_dev.primary_dev;
1021 via_set_primary_address(0);
1022 via_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1023 viafb_set_iga_path();
1026 static int get_primary_device(void)
1028 int primary_device = 0;
1029 /* Rule: device on iga1 path are the primary device. */
1030 if (viafb_SAMM_ON) {
1032 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1033 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1035 crt_setting_info->iga_path);
1036 primary_device = CRT_Device;
1040 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1041 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1043 tmds_setting_info->iga_path);
1044 primary_device = DVI_Device;
1048 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1049 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1051 lvds_setting_info->iga_path);
1052 primary_device = LCD_Device;
1055 if (viafb_LCD2_ON) {
1056 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1057 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1059 lvds_setting_info2->iga_path);
1060 primary_device = LCD2_Device;
1064 return primary_device;
1067 static void apply_second_mode_setting(struct fb_var_screeninfo
1070 u32 htotal, vtotal, long_refresh;
1072 htotal = sec_var->xres + sec_var->left_margin +
1073 sec_var->right_margin + sec_var->hsync_len;
1074 vtotal = sec_var->yres + sec_var->upper_margin +
1075 sec_var->lower_margin + sec_var->vsync_len;
1076 if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1077 /*Is 32 bytes alignment? */
1078 /*32 pixel alignment */
1079 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1082 htotal = sec_var->xres + sec_var->left_margin +
1083 sec_var->right_margin + sec_var->hsync_len;
1084 vtotal = sec_var->yres + sec_var->upper_margin +
1085 sec_var->lower_margin + sec_var->vsync_len;
1086 long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1087 long_refresh /= (htotal * vtotal);
1089 viafb_second_xres = sec_var->xres;
1090 viafb_second_yres = sec_var->yres;
1091 viafb_second_virtual_xres = sec_var->xres_virtual;
1092 viafb_second_virtual_yres = sec_var->yres_virtual;
1093 viafb_bpp1 = sec_var->bits_per_pixel;
1094 viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1098 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1099 struct fb_info *info)
1101 int need_set_mode = 0;
1102 DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1104 if (setting_info.device_flag) {
1106 check_available_device_to_enable(setting_info.device_status);
1109 /* Unlock LCD's operation according to LCD flag
1110 and check if the setting value is valid. */
1111 /* If the value is valid, apply the new setting value to the device. */
1113 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1115 if (setting_info.lcd_attributes.display_center) {
1117 viaparinfo->lvds_setting_info->display_method =
1119 viafb_lcd_dsp_method = LCD_CENTERING;
1120 viaparinfo->lvds_setting_info2->display_method =
1121 viafb_lcd_dsp_method = LCD_CENTERING;
1124 viaparinfo->lvds_setting_info->display_method =
1126 viafb_lcd_dsp_method = LCD_EXPANDSION;
1127 viaparinfo->lvds_setting_info2->display_method =
1129 viafb_lcd_dsp_method = LCD_EXPANDSION;
1133 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1135 if (setting_info.lcd_attributes.lcd_mode ==
1137 viaparinfo->lvds_setting_info->lcd_mode =
1138 viafb_lcd_mode = LCD_SPWG;
1140 viaparinfo->lvds_setting_info->lcd_mode =
1141 viafb_lcd_mode = LCD_OPENLDI;
1143 viaparinfo->lvds_setting_info2->lcd_mode =
1144 viaparinfo->lvds_setting_info->lcd_mode;
1147 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1149 if (setting_info.lcd_attributes.panel_id <=
1150 LCD_PANEL_ID_MAXIMUM) {
1151 viafb_lcd_panel_id =
1152 setting_info.lcd_attributes.panel_id;
1153 viafb_init_lcd_size();
1158 if (0 != (setting_info.samm_status & OP_SAMM)) {
1159 setting_info.samm_status =
1160 setting_info.samm_status & (~OP_SAMM);
1161 if (setting_info.samm_status == 0
1162 || setting_info.samm_status == 1) {
1163 viafb_SAMM_ON = setting_info.samm_status;
1166 viafb_primary_dev = setting_info.primary_device;
1168 via_set_primary_address(0);
1169 via_set_secondary_address(viafb_SAMM_ON ?
1170 viafb_second_offset : 0);
1171 viafb_set_iga_path();
1176 if (!need_set_mode) {
1179 viafb_set_iga_path();
1180 viafb_set_par(info);
1185 static void retrieve_device_setting(struct viafb_ioctl_setting
1189 /* get device status */
1190 if (viafb_CRT_ON == 1)
1191 setting_info->device_status = CRT_Device;
1192 if (viafb_DVI_ON == 1)
1193 setting_info->device_status |= DVI_Device;
1194 if (viafb_LCD_ON == 1)
1195 setting_info->device_status |= LCD_Device;
1196 if (viafb_LCD2_ON == 1)
1197 setting_info->device_status |= LCD2_Device;
1199 setting_info->samm_status = viafb_SAMM_ON;
1200 setting_info->primary_device = get_primary_device();
1202 setting_info->first_dev_bpp = viafb_bpp;
1203 setting_info->second_dev_bpp = viafb_bpp1;
1205 setting_info->first_dev_refresh = viafb_refresh;
1206 setting_info->second_dev_refresh = viafb_refresh1;
1208 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1209 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1210 setting_info->second_dev_hor_res = viafb_second_xres;
1211 setting_info->second_dev_ver_res = viafb_second_yres;
1213 /* Get lcd attributes */
1214 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1215 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1216 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1219 static int parse_active_dev(void)
1221 viafb_CRT_ON = STATE_OFF;
1222 viafb_DVI_ON = STATE_OFF;
1223 viafb_LCD_ON = STATE_OFF;
1224 viafb_LCD2_ON = STATE_OFF;
1225 /* 1. Modify the active status of devices. */
1226 /* 2. Keep the order of devices, so we can set corresponding
1227 IGA path to devices in SAMM case. */
1228 /* Note: The previous of active_dev is primary device,
1229 and the following is secondary device. */
1230 if (!viafb_active_dev) {
1231 viafb_CRT_ON = STATE_ON;
1232 viafb_SAMM_ON = STATE_OFF;
1233 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1235 viafb_CRT_ON = STATE_ON;
1236 viafb_DVI_ON = STATE_ON;
1237 viafb_primary_dev = CRT_Device;
1238 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1240 viafb_CRT_ON = STATE_ON;
1241 viafb_DVI_ON = STATE_ON;
1242 viafb_primary_dev = DVI_Device;
1243 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1245 viafb_CRT_ON = STATE_ON;
1246 viafb_LCD_ON = STATE_ON;
1247 viafb_primary_dev = CRT_Device;
1248 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1250 viafb_CRT_ON = STATE_ON;
1251 viafb_LCD_ON = STATE_ON;
1252 viafb_primary_dev = LCD_Device;
1253 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1255 viafb_DVI_ON = STATE_ON;
1256 viafb_LCD_ON = STATE_ON;
1257 viafb_primary_dev = DVI_Device;
1258 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1260 viafb_DVI_ON = STATE_ON;
1261 viafb_LCD_ON = STATE_ON;
1262 viafb_primary_dev = LCD_Device;
1263 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1264 viafb_LCD_ON = STATE_ON;
1265 viafb_LCD2_ON = STATE_ON;
1266 viafb_primary_dev = LCD_Device;
1267 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1268 viafb_LCD_ON = STATE_ON;
1269 viafb_LCD2_ON = STATE_ON;
1270 viafb_primary_dev = LCD2_Device;
1271 } else if (!strcmp(viafb_active_dev, "CRT")) {
1273 viafb_CRT_ON = STATE_ON;
1274 viafb_SAMM_ON = STATE_OFF;
1275 } else if (!strcmp(viafb_active_dev, "DVI")) {
1277 viafb_DVI_ON = STATE_ON;
1278 viafb_SAMM_ON = STATE_OFF;
1279 } else if (!strcmp(viafb_active_dev, "LCD")) {
1281 viafb_LCD_ON = STATE_ON;
1282 viafb_SAMM_ON = STATE_OFF;
1289 static int parse_port(char *opt_str, int *output_interface)
1291 if (!strncmp(opt_str, "DVP0", 4))
1292 *output_interface = INTERFACE_DVP0;
1293 else if (!strncmp(opt_str, "DVP1", 4))
1294 *output_interface = INTERFACE_DVP1;
1295 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1296 *output_interface = INTERFACE_DFP;
1297 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1298 *output_interface = INTERFACE_DFP_HIGH;
1299 else if (!strncmp(opt_str, "DFP_LOW", 7))
1300 *output_interface = INTERFACE_DFP_LOW;
1302 *output_interface = INTERFACE_NONE;
1306 static void parse_lcd_port(void)
1308 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1310 /*Initialize to avoid unexpected behavior */
1311 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1314 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1315 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1319 static void parse_dvi_port(void)
1321 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1324 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1325 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1330 * The proc filesystem read/write function, a simple proc implement to
1331 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1332 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1333 * CR9B, SR65, CR97, CR99
1335 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1337 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1339 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1340 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1342 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1343 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1344 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1345 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1349 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1351 return single_open(file, viafb_dvp0_proc_show, NULL);
1354 static ssize_t viafb_dvp0_proc_write(struct file *file,
1355 const char __user *buffer, size_t count, loff_t *pos)
1357 char buf[20], *value, *pbuf;
1359 unsigned long length, i;
1362 length = count > 20 ? 20 : count;
1363 if (copy_from_user(&buf[0], buffer, length))
1365 buf[length - 1] = '\0'; /*Ensure end string */
1367 for (i = 0; i < 3; i++) {
1368 value = strsep(&pbuf, " ");
1369 if (value != NULL) {
1370 strict_strtoul(value, 0, (unsigned long *)®_val);
1371 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1375 viafb_write_reg_mask(CR96, VIACR,
1379 viafb_write_reg_mask(SR2A, VIASR,
1380 reg_val << 4, BIT5);
1381 viafb_write_reg_mask(SR1B, VIASR,
1382 reg_val << 1, BIT1);
1385 viafb_write_reg_mask(SR2A, VIASR,
1386 reg_val << 3, BIT4);
1387 viafb_write_reg_mask(SR1E, VIASR,
1388 reg_val << 2, BIT2);
1400 static const struct file_operations viafb_dvp0_proc_fops = {
1401 .owner = THIS_MODULE,
1402 .open = viafb_dvp0_proc_open,
1404 .llseek = seq_lseek,
1405 .release = single_release,
1406 .write = viafb_dvp0_proc_write,
1409 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1411 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1412 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1413 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1414 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1415 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1419 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1421 return single_open(file, viafb_dvp1_proc_show, NULL);
1424 static ssize_t viafb_dvp1_proc_write(struct file *file,
1425 const char __user *buffer, size_t count, loff_t *pos)
1427 char buf[20], *value, *pbuf;
1429 unsigned long length, i;
1432 length = count > 20 ? 20 : count;
1433 if (copy_from_user(&buf[0], buffer, length))
1435 buf[length - 1] = '\0'; /*Ensure end string */
1437 for (i = 0; i < 3; i++) {
1438 value = strsep(&pbuf, " ");
1439 if (value != NULL) {
1440 strict_strtoul(value, 0, (unsigned long *)®_val);
1443 viafb_write_reg_mask(CR9B, VIACR,
1447 viafb_write_reg_mask(SR65, VIASR,
1448 reg_val << 2, 0x0c);
1451 viafb_write_reg_mask(SR65, VIASR,
1464 static const struct file_operations viafb_dvp1_proc_fops = {
1465 .owner = THIS_MODULE,
1466 .open = viafb_dvp1_proc_open,
1468 .llseek = seq_lseek,
1469 .release = single_release,
1470 .write = viafb_dvp1_proc_write,
1473 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1476 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1477 seq_printf(m, "%x\n", dfp_high);
1481 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1483 return single_open(file, viafb_dfph_proc_show, NULL);
1486 static ssize_t viafb_dfph_proc_write(struct file *file,
1487 const char __user *buffer, size_t count, loff_t *pos)
1491 unsigned long length;
1494 length = count > 20 ? 20 : count;
1495 if (copy_from_user(&buf[0], buffer, length))
1497 buf[length - 1] = '\0'; /*Ensure end string */
1498 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1499 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1503 static const struct file_operations viafb_dfph_proc_fops = {
1504 .owner = THIS_MODULE,
1505 .open = viafb_dfph_proc_open,
1507 .llseek = seq_lseek,
1508 .release = single_release,
1509 .write = viafb_dfph_proc_write,
1512 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1515 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1516 seq_printf(m, "%x\n", dfp_low);
1520 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1522 return single_open(file, viafb_dfpl_proc_show, NULL);
1525 static ssize_t viafb_dfpl_proc_write(struct file *file,
1526 const char __user *buffer, size_t count, loff_t *pos)
1530 unsigned long length;
1533 length = count > 20 ? 20 : count;
1534 if (copy_from_user(&buf[0], buffer, length))
1536 buf[length - 1] = '\0'; /*Ensure end string */
1537 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1538 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1542 static const struct file_operations viafb_dfpl_proc_fops = {
1543 .owner = THIS_MODULE,
1544 .open = viafb_dfpl_proc_open,
1546 .llseek = seq_lseek,
1547 .release = single_release,
1548 .write = viafb_dfpl_proc_write,
1551 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1553 u8 vt1636_08 = 0, vt1636_09 = 0;
1554 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1557 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1558 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1560 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1561 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1562 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1567 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1570 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1571 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1573 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1574 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1575 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1583 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1585 return single_open(file, viafb_vt1636_proc_show, NULL);
1588 static ssize_t viafb_vt1636_proc_write(struct file *file,
1589 const char __user *buffer, size_t count, loff_t *pos)
1591 char buf[30], *value, *pbuf;
1592 struct IODATA reg_val;
1593 unsigned long length, i;
1596 length = count > 30 ? 30 : count;
1597 if (copy_from_user(&buf[0], buffer, length))
1599 buf[length - 1] = '\0'; /*Ensure end string */
1601 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1603 for (i = 0; i < 2; i++) {
1604 value = strsep(&pbuf, " ");
1605 if (value != NULL) {
1606 strict_strtoul(value, 0,
1607 (unsigned long *)®_val.Data);
1610 reg_val.Index = 0x08;
1611 reg_val.Mask = 0x0f;
1612 viafb_gpio_i2c_write_mask_lvds
1613 (viaparinfo->lvds_setting_info,
1615 chip_info->lvds_chip_info,
1619 reg_val.Index = 0x09;
1620 reg_val.Mask = 0x1f;
1621 viafb_gpio_i2c_write_mask_lvds
1622 (viaparinfo->lvds_setting_info,
1624 chip_info->lvds_chip_info,
1638 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1640 for (i = 0; i < 2; i++) {
1641 value = strsep(&pbuf, " ");
1642 if (value != NULL) {
1643 strict_strtoul(value, 0,
1644 (unsigned long *)®_val.Data);
1647 reg_val.Index = 0x08;
1648 reg_val.Mask = 0x0f;
1649 viafb_gpio_i2c_write_mask_lvds
1650 (viaparinfo->lvds_setting_info2,
1652 chip_info->lvds_chip_info2,
1656 reg_val.Index = 0x09;
1657 reg_val.Mask = 0x1f;
1658 viafb_gpio_i2c_write_mask_lvds
1659 (viaparinfo->lvds_setting_info2,
1661 chip_info->lvds_chip_info2,
1678 static const struct file_operations viafb_vt1636_proc_fops = {
1679 .owner = THIS_MODULE,
1680 .open = viafb_vt1636_proc_open,
1682 .llseek = seq_lseek,
1683 .release = single_release,
1684 .write = viafb_vt1636_proc_write,
1687 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1689 *viafb_entry = proc_mkdir("viafb", NULL);
1691 proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
1692 proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
1693 proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
1694 proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
1695 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1696 lvds_chip_name || VT1636_LVDS ==
1697 viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1698 proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
1703 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1705 struct chip_information *chip_info = &viaparinfo->shared->chip_info;
1707 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1708 remove_proc_entry("dvp1", viafb_entry);
1709 remove_proc_entry("dfph", viafb_entry);
1710 remove_proc_entry("dfpl", viafb_entry);
1711 if (chip_info->lvds_chip_info.lvds_chip_name == VT1636_LVDS
1712 || chip_info->lvds_chip_info2.lvds_chip_name == VT1636_LVDS)
1713 remove_proc_entry("vt1636", viafb_entry);
1715 remove_proc_entry("viafb", NULL);
1718 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1728 *xres = simple_strtoul(str, &ptr, 10);
1732 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1740 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1742 u32 default_xres, default_yres;
1743 struct VideoModeTable *vmode_entry;
1744 struct fb_var_screeninfo default_var;
1746 u32 viafb_par_length;
1748 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1749 memset(&default_var, 0, sizeof(default_var));
1750 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1752 /* Allocate fb_info and ***_par here, also including some other needed
1755 viafbinfo = framebuffer_alloc(viafb_par_length +
1756 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1759 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1763 viaparinfo = (struct viafb_par *)viafbinfo->par;
1764 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1765 viaparinfo->shared->vdev = vdev;
1766 viaparinfo->vram_addr = 0;
1767 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1768 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1769 viaparinfo->lvds_setting_info2 =
1770 &viaparinfo->shared->lvds_setting_info2;
1771 viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1772 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1779 /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1783 viafb_init_chip_info(vdev->chip_type);
1785 * The framebuffer will have been successfully mapped by
1786 * the core (or we'd not be here), but we still need to
1787 * set up our own accounting.
1789 viaparinfo->fbmem = vdev->fbmem_start;
1790 viaparinfo->memsize = vdev->fbmem_len;
1791 viaparinfo->fbmem_free = viaparinfo->memsize;
1792 viaparinfo->fbmem_used = 0;
1793 viafbinfo->screen_base = vdev->fbmem;
1795 viafbinfo->fix.mmio_start = vdev->engine_start;
1796 viafbinfo->fix.mmio_len = vdev->engine_len;
1797 viafbinfo->node = 0;
1798 viafbinfo->fbops = &viafb_ops;
1799 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1801 viafbinfo->pseudo_palette = pseudo_pal;
1802 if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1803 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1804 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1805 default_var.accel_flags = FB_ACCELF_TEXT;
1807 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1808 default_var.accel_flags = 0;
1811 if (viafb_second_size && (viafb_second_size < 8)) {
1812 viafb_second_offset = viaparinfo->fbmem_free -
1813 viafb_second_size * 1024 * 1024;
1815 viafb_second_size = 8;
1816 viafb_second_offset = viaparinfo->fbmem_free -
1817 viafb_second_size * 1024 * 1024;
1820 parse_mode(viafb_mode, &default_xres, &default_yres);
1821 vmode_entry = viafb_get_mode(default_xres, default_yres);
1822 if (viafb_SAMM_ON == 1) {
1823 parse_mode(viafb_mode1, &viafb_second_xres,
1824 &viafb_second_yres);
1826 if (0 == viafb_second_virtual_xres) {
1827 switch (viafb_second_xres) {
1829 viafb_second_virtual_xres = 1408;
1832 viafb_second_virtual_xres = viafb_second_xres;
1836 if (0 == viafb_second_virtual_yres)
1837 viafb_second_virtual_yres = viafb_second_yres;
1840 default_var.xres = default_xres;
1841 default_var.yres = default_yres;
1842 switch (default_xres) {
1844 default_var.xres_virtual = 1408;
1847 default_var.xres_virtual = default_xres;
1850 default_var.yres_virtual = default_yres;
1851 default_var.bits_per_pixel = viafb_bpp;
1852 default_var.pixclock =
1853 viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1854 default_var.left_margin = (default_xres >> 3) & 0xf8;
1855 default_var.right_margin = 32;
1856 default_var.upper_margin = 16;
1857 default_var.lower_margin = 4;
1858 default_var.hsync_len = default_var.left_margin;
1859 default_var.vsync_len = 4;
1860 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1861 viafbinfo->var = default_var;
1863 if (viafb_dual_fb) {
1864 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1868 "allocate the second framebuffer struct error\n");
1870 goto out_fb_release;
1872 viaparinfo1 = viafbinfo1->par;
1873 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1874 viaparinfo1->vram_addr = viafb_second_offset;
1875 viaparinfo1->memsize = viaparinfo->memsize -
1876 viafb_second_offset;
1877 viaparinfo->memsize = viafb_second_offset;
1878 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1880 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1881 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1882 viaparinfo1->fbmem_used;
1883 viaparinfo->fbmem_free = viaparinfo->memsize;
1884 viaparinfo->fbmem_used = 0;
1886 viaparinfo->iga_path = IGA1;
1887 viaparinfo1->iga_path = IGA2;
1888 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1889 viafbinfo1->par = viaparinfo1;
1890 viafbinfo1->screen_base = viafbinfo->screen_base +
1891 viafb_second_offset;
1893 default_var.xres = viafb_second_xres;
1894 default_var.yres = viafb_second_yres;
1895 default_var.xres_virtual = viafb_second_virtual_xres;
1896 default_var.yres_virtual = viafb_second_virtual_yres;
1897 default_var.bits_per_pixel = viafb_bpp1;
1898 default_var.pixclock =
1899 viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1901 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1902 default_var.right_margin = 32;
1903 default_var.upper_margin = 16;
1904 default_var.lower_margin = 4;
1905 default_var.hsync_len = default_var.left_margin;
1906 default_var.vsync_len = 4;
1908 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1909 viafb_check_var(&default_var, viafbinfo1);
1910 viafbinfo1->var = default_var;
1911 viafb_update_fix(viafbinfo1);
1912 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1916 viafb_check_var(&viafbinfo->var, viafbinfo);
1917 viafb_update_fix(viafbinfo);
1918 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1920 default_var.activate = FB_ACTIVATE_NOW;
1921 rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1923 goto out_fb1_release;
1925 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1926 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1927 rc = register_framebuffer(viafbinfo1);
1929 goto out_dealloc_cmap;
1931 rc = register_framebuffer(viafbinfo);
1933 goto out_fb1_unreg_lcd_cle266;
1935 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1936 || (viaparinfo->chip_info->gfx_chip_name !=
1937 UNICHROME_CLE266))) {
1938 rc = register_framebuffer(viafbinfo1);
1942 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1943 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1944 default_var.yres, default_var.bits_per_pixel);
1946 viafb_init_proc(&viaparinfo->shared->proc_entry);
1947 viafb_init_dac(IGA2);
1951 unregister_framebuffer(viafbinfo);
1952 out_fb1_unreg_lcd_cle266:
1953 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1954 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1955 unregister_framebuffer(viafbinfo1);
1957 fb_dealloc_cmap(&viafbinfo->cmap);
1960 framebuffer_release(viafbinfo1);
1962 framebuffer_release(viafbinfo);
1966 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1968 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1969 fb_dealloc_cmap(&viafbinfo->cmap);
1970 unregister_framebuffer(viafbinfo);
1972 unregister_framebuffer(viafbinfo1);
1973 viafb_remove_proc(viaparinfo->shared->proc_entry);
1974 framebuffer_release(viafbinfo);
1976 framebuffer_release(viafbinfo1);
1980 static int __init viafb_setup(char *options)
1983 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1985 if (!options || !*options)
1988 while ((this_opt = strsep(&options, ",")) != NULL) {
1992 if (!strncmp(this_opt, "viafb_mode1=", 12))
1993 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1994 else if (!strncmp(this_opt, "viafb_mode=", 11))
1995 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1996 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1997 strict_strtoul(this_opt + 11, 0,
1998 (unsigned long *)&viafb_bpp1);
1999 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2000 strict_strtoul(this_opt + 10, 0,
2001 (unsigned long *)&viafb_bpp);
2002 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2003 strict_strtoul(this_opt + 15, 0,
2004 (unsigned long *)&viafb_refresh1);
2005 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2006 strict_strtoul(this_opt + 14, 0,
2007 (unsigned long *)&viafb_refresh);
2008 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2009 strict_strtoul(this_opt + 21, 0,
2010 (unsigned long *)&viafb_lcd_dsp_method);
2011 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2012 strict_strtoul(this_opt + 19, 0,
2013 (unsigned long *)&viafb_lcd_panel_id);
2014 else if (!strncmp(this_opt, "viafb_accel=", 12))
2015 strict_strtoul(this_opt + 12, 0,
2016 (unsigned long *)&viafb_accel);
2017 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2018 strict_strtoul(this_opt + 14, 0,
2019 (unsigned long *)&viafb_SAMM_ON);
2020 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2021 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2022 else if (!strncmp(this_opt,
2023 "viafb_display_hardware_layout=", 30))
2024 strict_strtoul(this_opt + 30, 0,
2025 (unsigned long *)&viafb_display_hardware_layout);
2026 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2027 strict_strtoul(this_opt + 18, 0,
2028 (unsigned long *)&viafb_second_size);
2029 else if (!strncmp(this_opt,
2030 "viafb_platform_epia_dvi=", 24))
2031 strict_strtoul(this_opt + 24, 0,
2032 (unsigned long *)&viafb_platform_epia_dvi);
2033 else if (!strncmp(this_opt,
2034 "viafb_device_lcd_dualedge=", 26))
2035 strict_strtoul(this_opt + 26, 0,
2036 (unsigned long *)&viafb_device_lcd_dualedge);
2037 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2038 strict_strtoul(this_opt + 16, 0,
2039 (unsigned long *)&viafb_bus_width);
2040 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2041 strict_strtoul(this_opt + 15, 0,
2042 (unsigned long *)&viafb_lcd_mode);
2043 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2044 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2045 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2046 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2053 * These are called out of via-core for now.
2055 int __init viafb_init(void)
2059 char *option = NULL;
2060 if (fb_get_options("viafb", &option))
2062 viafb_setup(option);
2064 if (parse_mode(viafb_mode, &dummy, &dummy)
2065 || parse_mode(viafb_mode1, &dummy, &dummy)
2066 || viafb_bpp < 0 || viafb_bpp > 32
2067 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2068 || parse_active_dev())
2072 "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2073 VERSION_MAJOR, VERSION_MINOR);
2077 void __exit viafb_exit(void)
2079 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2082 static struct fb_ops viafb_ops = {
2083 .owner = THIS_MODULE,
2084 .fb_open = viafb_open,
2085 .fb_release = viafb_release,
2086 .fb_check_var = viafb_check_var,
2087 .fb_set_par = viafb_set_par,
2088 .fb_setcolreg = viafb_setcolreg,
2089 .fb_pan_display = viafb_pan_display,
2090 .fb_blank = viafb_blank,
2091 .fb_fillrect = viafb_fillrect,
2092 .fb_copyarea = viafb_copyarea,
2093 .fb_imageblit = viafb_imageblit,
2094 .fb_cursor = viafb_cursor,
2095 .fb_ioctl = viafb_ioctl,
2096 .fb_sync = viafb_sync,
2101 module_param(viafb_mode, charp, S_IRUSR);
2102 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2104 module_param(viafb_mode1, charp, S_IRUSR);
2105 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2107 module_param(viafb_bpp, int, S_IRUSR);
2108 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2110 module_param(viafb_bpp1, int, S_IRUSR);
2111 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2113 module_param(viafb_refresh, int, S_IRUSR);
2114 MODULE_PARM_DESC(viafb_refresh,
2115 "Set CRT viafb_refresh rate (default = 60)");
2117 module_param(viafb_refresh1, int, S_IRUSR);
2118 MODULE_PARM_DESC(viafb_refresh1,
2119 "Set CRT refresh rate (default = 60)");
2121 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2122 MODULE_PARM_DESC(viafb_lcd_panel_id,
2123 "Set Flat Panel type(Default=1024x768)");
2125 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2126 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2127 "Set Flat Panel display scaling method.(Default=Expandsion)");
2129 module_param(viafb_SAMM_ON, int, S_IRUSR);
2130 MODULE_PARM_DESC(viafb_SAMM_ON,
2131 "Turn on/off flag of SAMM(Default=OFF)");
2133 module_param(viafb_accel, int, S_IRUSR);
2134 MODULE_PARM_DESC(viafb_accel,
2135 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2137 module_param(viafb_active_dev, charp, S_IRUSR);
2138 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2140 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2141 MODULE_PARM_DESC(viafb_display_hardware_layout,
2142 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2144 module_param(viafb_second_size, int, S_IRUSR);
2145 MODULE_PARM_DESC(viafb_second_size,
2146 "Set secondary device memory size");
2148 module_param(viafb_dual_fb, int, S_IRUSR);
2149 MODULE_PARM_DESC(viafb_dual_fb,
2150 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2152 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2153 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2154 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2156 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2157 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2158 "Turn on/off flag of dual edge panel.(Default = OFF)");
2160 module_param(viafb_bus_width, int, S_IRUSR);
2161 MODULE_PARM_DESC(viafb_bus_width,
2162 "Set bus width of panel.(Default = 12)");
2164 module_param(viafb_lcd_mode, int, S_IRUSR);
2165 MODULE_PARM_DESC(viafb_lcd_mode,
2166 "Set Flat Panel mode(Default=OPENLDI)");
2168 module_param(viafb_lcd_port, charp, S_IRUSR);
2169 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2171 module_param(viafb_dvi_port, charp, S_IRUSR);
2172 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2174 MODULE_LICENSE("GPL");