2 * Copyright 1998-2008 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>
29 static char *viafb_name = "Via";
30 static u32 pseudo_pal[17];
33 static char *viafb_mode;
34 static char *viafb_mode1;
35 static int viafb_bpp = 32;
36 static int viafb_bpp1 = 32;
38 static unsigned int viafb_second_offset;
39 static int viafb_second_size;
41 static int viafb_accel = 1;
43 /* Added for specifying active devices.*/
44 char *viafb_active_dev;
46 /*Added for specify lcd output port*/
47 char *viafb_lcd_port = "";
48 char *viafb_dvi_port = "";
50 static void viafb_set_device(struct device_t active_dev);
51 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
52 struct fb_info *info);
53 static void apply_second_mode_setting(struct fb_var_screeninfo
55 static void retrieve_device_setting(struct viafb_ioctl_setting
57 static int viafb_pan_display(struct fb_var_screeninfo *var,
58 struct fb_info *info);
60 static struct fb_ops viafb_ops;
63 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
66 var->red.msb_right = 0;
67 var->green.msb_right = 0;
68 var->blue.msb_right = 0;
69 var->transp.offset = 0;
70 var->transp.length = 0;
71 var->transp.msb_right = 0;
75 var->bits_per_pixel = 8;
77 var->green.offset = 0;
80 var->green.length = 8;
84 var->bits_per_pixel = 16;
86 var->green.offset = 5;
89 var->green.length = 5;
93 var->bits_per_pixel = 16;
95 var->green.offset = 5;
98 var->green.length = 6;
102 var->bits_per_pixel = 32;
103 var->red.offset = 16;
104 var->green.offset = 8;
105 var->blue.offset = 0;
107 var->green.length = 8;
108 var->blue.length = 8;
111 var->bits_per_pixel = 32;
112 var->red.offset = 20;
113 var->green.offset = 10;
114 var->blue.offset = 0;
115 var->red.length = 10;
116 var->green.length = 10;
117 var->blue.length = 10;
122 static void viafb_update_fix(struct fb_info *info)
124 u32 bpp = info->var.bits_per_pixel;
127 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
128 info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
131 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
132 struct viafb_par *viaparinfo)
134 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
135 strcpy(fix->id, viafb_name);
137 fix->smem_start = viaparinfo->fbmem;
138 fix->smem_len = viaparinfo->fbmem_free;
140 fix->type = FB_TYPE_PACKED_PIXELS;
142 fix->visual = FB_VISUAL_TRUECOLOR;
144 fix->xpanstep = fix->ywrapstep = 0;
147 /* Just tell the accel name */
148 viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
150 static int viafb_open(struct fb_info *info, int user)
152 DEBUG_MSG(KERN_INFO "viafb_open!\n");
156 static int viafb_release(struct fb_info *info, int user)
158 DEBUG_MSG(KERN_INFO "viafb_release!\n");
162 static int viafb_check_var(struct fb_var_screeninfo *var,
163 struct fb_info *info)
165 int htotal, vtotal, depth;
166 struct VideoModeTable *vmode_entry;
167 struct viafb_par *ppar = info->par;
168 u32 long_refresh, line;
170 DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
172 /* HW neither support interlacte nor double-scaned mode */
173 if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
176 vmode_entry = viafb_get_mode(var->xres, var->yres);
179 "viafb: Mode %dx%dx%d not supported!!\n",
180 var->xres, var->yres, var->bits_per_pixel);
184 depth = fb_get_color_depth(var, &info->fix);
186 depth = var->bits_per_pixel;
188 if (depth < 0 || depth > 32)
192 else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
194 else if (depth == 30)
198 else if (depth <= 16)
203 viafb_fill_var_color_info(var, depth);
204 line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
205 if (line * var->yres_virtual > ppar->memsize)
208 /* Based on var passed in to calculate the refresh,
209 * because our driver use some modes special.
211 htotal = var->xres + var->left_margin +
212 var->right_margin + var->hsync_len;
213 vtotal = var->yres + var->upper_margin +
214 var->lower_margin + var->vsync_len;
215 long_refresh = 1000000000UL / var->pixclock * 1000;
216 long_refresh /= (htotal * vtotal);
218 viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
220 /* Adjust var according to our driver's own table */
221 viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
222 if (info->var.accel_flags & FB_ACCELF_TEXT &&
223 !ppar->shared->engine_mmio)
224 info->var.accel_flags = 0;
229 static int viafb_set_par(struct fb_info *info)
231 struct viafb_par *viapar = info->par;
232 struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
233 DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
235 viapar->depth = fb_get_color_depth(&info->var, &info->fix);
236 viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
237 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
239 vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
241 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
242 viafbinfo1->var.yres);
243 viafb_update_device_setting(viafbinfo1->var.xres,
244 viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
246 } else if (viafb_SAMM_ON == 1) {
248 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
249 viafb_second_xres, viafb_second_yres, viafb_bpp1);
250 vmode_entry1 = viafb_get_mode(viafb_second_xres,
253 viafb_update_device_setting(viafb_second_xres,
254 viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
258 viafb_update_fix(info);
259 if (viafb_dual_fb && viapar->iga_path == IGA2)
260 viafb_bpp1 = info->var.bits_per_pixel;
262 viafb_bpp = info->var.bits_per_pixel;
264 if (info->var.accel_flags & FB_ACCELF_TEXT)
265 info->flags &= ~FBINFO_HWACCEL_DISABLED;
267 info->flags |= FBINFO_HWACCEL_DISABLED;
268 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
269 vmode_entry1, viafb_bpp1);
270 viafb_pan_display(&info->var, info);
276 /* Set one color register */
277 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
278 unsigned blue, unsigned transp, struct fb_info *info)
280 struct viafb_par *viapar = info->par;
283 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
287 if (!viafb_dual_fb || viapar->iga_path == IGA1)
288 viafb_set_primary_color_register(regno, red >> 8,
289 green >> 8, blue >> 8);
291 if (!viafb_dual_fb || viapar->iga_path == IGA2)
292 viafb_set_secondary_color_register(regno, red >> 8,
293 green >> 8, blue >> 8);
298 r = (red >> (16 - info->var.red.length))
299 << info->var.red.offset;
300 b = (blue >> (16 - info->var.blue.length))
301 << info->var.blue.offset;
302 g = (green >> (16 - info->var.green.length))
303 << info->var.green.offset;
304 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
310 static int viafb_pan_display(struct fb_var_screeninfo *var,
311 struct fb_info *info)
313 struct viafb_par *viapar = info->par;
314 u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
315 * (var->bits_per_pixel / 8) + viapar->vram_addr;
317 DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
318 if (!viafb_dual_fb) {
319 viafb_set_primary_address(vram_addr);
320 viafb_set_secondary_address(vram_addr);
321 } else if (viapar->iga_path == IGA1)
322 viafb_set_primary_address(vram_addr);
324 viafb_set_secondary_address(vram_addr);
329 static int viafb_blank(int blank_mode, struct fb_info *info)
331 DEBUG_MSG(KERN_INFO "viafb_blank!\n");
332 /* clear DPMS setting */
334 switch (blank_mode) {
335 case FB_BLANK_UNBLANK:
336 /* Screen: On, HSync: On, VSync: On */
337 /* control CRT monitor power management */
338 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
340 case FB_BLANK_HSYNC_SUSPEND:
341 /* Screen: Off, HSync: Off, VSync: On */
342 /* control CRT monitor power management */
343 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
345 case FB_BLANK_VSYNC_SUSPEND:
346 /* Screen: Off, HSync: On, VSync: Off */
347 /* control CRT monitor power management */
348 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
350 case FB_BLANK_POWERDOWN:
351 /* Screen: Off, HSync: Off, VSync: Off */
352 /* control CRT monitor power management */
353 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
360 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
363 struct viafb_ioctl_mode viamode;
364 struct viafb_ioctl_samm viasamm;
365 struct viafb_driver_version driver_version;
366 struct fb_var_screeninfo sec_var;
367 struct _panel_size_pos_info panel_pos_size_para;
368 struct viafb_ioctl_setting viafb_setting;
369 struct device_t active_dev;
372 u32 *viafb_gamma_table;
373 char driver_name[] = "viafb";
375 u32 __user *argp = (u32 __user *) arg;
378 DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
379 printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
380 memset(&u, 0, sizeof(u));
383 case VIAFB_GET_CHIP_INFO:
384 if (copy_to_user(argp, viaparinfo->chip_info,
385 sizeof(struct chip_information)))
388 case VIAFB_GET_INFO_SIZE:
389 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
391 return viafb_ioctl_get_viafb_info(arg);
393 return put_user(viafb_ioctl_hotplug(info->var.xres,
395 info->var.bits_per_pixel), argp);
396 case VIAFB_SET_HOTPLUG_FLAG:
397 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
399 viafb_hotplug = (gpu32) ? 1 : 0;
401 case VIAFB_GET_RESOLUTION:
402 u.viamode.xres = (u32) viafb_hotplug_Xres;
403 u.viamode.yres = (u32) viafb_hotplug_Yres;
404 u.viamode.refresh = (u32) viafb_hotplug_refresh;
405 u.viamode.bpp = (u32) viafb_hotplug_bpp;
406 if (viafb_SAMM_ON == 1) {
407 u.viamode.xres_sec = viafb_second_xres;
408 u.viamode.yres_sec = viafb_second_yres;
409 u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
410 u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
411 u.viamode.refresh_sec = viafb_refresh1;
412 u.viamode.bpp_sec = viafb_bpp1;
414 u.viamode.xres_sec = 0;
415 u.viamode.yres_sec = 0;
416 u.viamode.virtual_xres_sec = 0;
417 u.viamode.virtual_yres_sec = 0;
418 u.viamode.refresh_sec = 0;
419 u.viamode.bpp_sec = 0;
421 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
424 case VIAFB_GET_SAMM_INFO:
425 u.viasamm.samm_status = viafb_SAMM_ON;
427 if (viafb_SAMM_ON == 1) {
429 u.viasamm.size_prim = viaparinfo->fbmem_free;
430 u.viasamm.size_sec = viaparinfo1->fbmem_free;
432 if (viafb_second_size) {
433 u.viasamm.size_prim =
434 viaparinfo->fbmem_free -
435 viafb_second_size * 1024 * 1024;
437 viafb_second_size * 1024 * 1024;
439 u.viasamm.size_prim =
440 viaparinfo->fbmem_free >> 1;
442 (viaparinfo->fbmem_free >> 1);
445 u.viasamm.mem_base = viaparinfo->fbmem;
446 u.viasamm.offset_sec = viafb_second_offset;
448 u.viasamm.size_prim =
449 viaparinfo->memsize - viaparinfo->fbmem_used;
450 u.viasamm.size_sec = 0;
451 u.viasamm.mem_base = viaparinfo->fbmem;
452 u.viasamm.offset_sec = 0;
455 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
459 case VIAFB_TURN_ON_OUTPUT_DEVICE:
460 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
462 if (gpu32 & CRT_Device)
464 if (gpu32 & DVI_Device)
466 if (gpu32 & LCD_Device)
469 case VIAFB_TURN_OFF_OUTPUT_DEVICE:
470 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
472 if (gpu32 & CRT_Device)
474 if (gpu32 & DVI_Device)
476 if (gpu32 & LCD_Device)
479 case VIAFB_SET_DEVICE:
480 if (copy_from_user(&u.active_dev, (void *)argp,
481 sizeof(u.active_dev)))
483 viafb_set_device(u.active_dev);
486 case VIAFB_GET_DEVICE:
487 u.active_dev.crt = viafb_CRT_ON;
488 u.active_dev.dvi = viafb_DVI_ON;
489 u.active_dev.lcd = viafb_LCD_ON;
490 u.active_dev.samm = viafb_SAMM_ON;
491 u.active_dev.primary_dev = viafb_primary_dev;
493 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
494 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
495 u.active_dev.lcd_mode = viafb_lcd_mode;
497 u.active_dev.xres = viafb_hotplug_Xres;
498 u.active_dev.yres = viafb_hotplug_Yres;
500 u.active_dev.xres1 = viafb_second_xres;
501 u.active_dev.yres1 = viafb_second_yres;
503 u.active_dev.bpp = viafb_bpp;
504 u.active_dev.bpp1 = viafb_bpp1;
505 u.active_dev.refresh = viafb_refresh;
506 u.active_dev.refresh1 = viafb_refresh1;
508 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
509 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
510 u.active_dev.bus_width = viafb_bus_width;
512 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
516 case VIAFB_GET_DRIVER_VERSION:
517 u.driver_version.iMajorNum = VERSION_MAJOR;
518 u.driver_version.iKernelNum = VERSION_KERNEL;
519 u.driver_version.iOSNum = VERSION_OS;
520 u.driver_version.iMinorNum = VERSION_MINOR;
522 if (copy_to_user(argp, &u.driver_version,
523 sizeof(u.driver_version)))
528 case VIAFB_SET_DEVICE_INFO:
529 if (copy_from_user(&u.viafb_setting,
530 argp, sizeof(u.viafb_setting)))
532 if (apply_device_setting(u.viafb_setting, info) < 0)
537 case VIAFB_SET_SECOND_MODE:
538 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
540 apply_second_mode_setting(&u.sec_var);
543 case VIAFB_GET_DEVICE_INFO:
545 retrieve_device_setting(&u.viafb_setting);
547 if (copy_to_user(argp, &u.viafb_setting,
548 sizeof(u.viafb_setting)))
553 case VIAFB_GET_DEVICE_SUPPORT:
554 viafb_get_device_support_state(&state_info);
555 if (put_user(state_info, argp))
559 case VIAFB_GET_DEVICE_CONNECT:
560 viafb_get_device_connect_state(&state_info);
561 if (put_user(state_info, argp))
565 case VIAFB_GET_PANEL_SUPPORT_EXPAND:
567 viafb_lcd_get_support_expand_state(info->var.xres,
569 if (put_user(state_info, argp))
573 case VIAFB_GET_DRIVER_NAME:
574 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
578 case VIAFB_SET_GAMMA_LUT:
579 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
580 if (!viafb_gamma_table)
582 if (copy_from_user(viafb_gamma_table, argp,
583 256 * sizeof(u32))) {
584 kfree(viafb_gamma_table);
587 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
588 kfree(viafb_gamma_table);
591 case VIAFB_GET_GAMMA_LUT:
592 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
593 if (!viafb_gamma_table)
595 viafb_get_gamma_table(viafb_gamma_table);
596 if (copy_to_user(argp, viafb_gamma_table,
597 256 * sizeof(u32))) {
598 kfree(viafb_gamma_table);
601 kfree(viafb_gamma_table);
604 case VIAFB_GET_GAMMA_SUPPORT_STATE:
605 viafb_get_gamma_support_state(viafb_bpp, &state_info);
606 if (put_user(state_info, argp))
609 case VIAFB_SYNC_SURFACE:
610 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
612 case VIAFB_GET_DRIVER_CAPS:
615 case VIAFB_GET_PANEL_MAX_SIZE:
616 if (copy_from_user(&u.panel_pos_size_para, argp,
617 sizeof(u.panel_pos_size_para)))
619 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
620 if (copy_to_user(argp, &u.panel_pos_size_para,
621 sizeof(u.panel_pos_size_para)))
624 case VIAFB_GET_PANEL_MAX_POSITION:
625 if (copy_from_user(&u.panel_pos_size_para, argp,
626 sizeof(u.panel_pos_size_para)))
628 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
629 if (copy_to_user(argp, &u.panel_pos_size_para,
630 sizeof(u.panel_pos_size_para)))
634 case VIAFB_GET_PANEL_POSITION:
635 if (copy_from_user(&u.panel_pos_size_para, argp,
636 sizeof(u.panel_pos_size_para)))
638 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
639 if (copy_to_user(argp, &u.panel_pos_size_para,
640 sizeof(u.panel_pos_size_para)))
643 case VIAFB_GET_PANEL_SIZE:
644 if (copy_from_user(&u.panel_pos_size_para, argp,
645 sizeof(u.panel_pos_size_para)))
647 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
648 if (copy_to_user(argp, &u.panel_pos_size_para,
649 sizeof(u.panel_pos_size_para)))
653 case VIAFB_SET_PANEL_POSITION:
654 if (copy_from_user(&u.panel_pos_size_para, argp,
655 sizeof(u.panel_pos_size_para)))
658 case VIAFB_SET_PANEL_SIZE:
659 if (copy_from_user(&u.panel_pos_size_para, argp,
660 sizeof(u.panel_pos_size_para)))
671 static void viafb_fillrect(struct fb_info *info,
672 const struct fb_fillrect *rect)
674 struct viafb_par *viapar = info->par;
675 struct viafb_shared *shared = viapar->shared;
679 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
680 cfb_fillrect(info, rect);
684 if (!rect->width || !rect->height)
687 if (info->fix.visual == FB_VISUAL_TRUECOLOR)
688 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
690 fg_color = rect->color;
692 if (rect->rop == ROP_XOR)
697 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
698 if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_FILL,
699 rect->width, rect->height, info->var.bits_per_pixel,
700 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
701 NULL, 0, 0, 0, 0, fg_color, 0, rop))
702 cfb_fillrect(info, rect);
705 static void viafb_copyarea(struct fb_info *info,
706 const struct fb_copyarea *area)
708 struct viafb_par *viapar = info->par;
709 struct viafb_shared *shared = viapar->shared;
711 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
712 cfb_copyarea(info, area);
716 if (!area->width || !area->height)
719 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
720 if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_COLOR,
721 area->width, area->height, info->var.bits_per_pixel,
722 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
723 NULL, viapar->vram_addr, info->fix.line_length,
724 area->sx, area->sy, 0, 0, 0))
725 cfb_copyarea(info, area);
728 static void viafb_imageblit(struct fb_info *info,
729 const struct fb_image *image)
731 struct viafb_par *viapar = info->par;
732 struct viafb_shared *shared = viapar->shared;
733 u32 fg_color = 0, bg_color = 0;
736 if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
737 (image->depth != 1 && image->depth != viapar->depth)) {
738 cfb_imageblit(info, image);
742 if (image->depth == 1) {
743 op = VIA_BITBLT_MONO;
744 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
746 ((u32 *)info->pseudo_palette)[image->fg_color];
748 ((u32 *)info->pseudo_palette)[image->bg_color];
750 fg_color = image->fg_color;
751 bg_color = image->bg_color;
754 op = VIA_BITBLT_COLOR;
756 DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
757 if (shared->hw_bitblt(shared->engine_mmio, op,
758 image->width, image->height, info->var.bits_per_pixel,
759 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
760 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
761 cfb_imageblit(info, image);
764 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
766 struct viafb_par *viapar = info->par;
767 void __iomem *engine = viapar->shared->engine_mmio;
768 u32 temp, xx, yy, bg_color = 0, fg_color = 0,
769 chip_name = viapar->shared->chip_info.gfx_chip_name;
770 int i, j = 0, cur_size = 64;
772 if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
775 /* LCD ouput does not support hw cursors (at least on VN896) */
776 if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
780 viafb_show_hw_cursor(info, HW_Cursor_OFF);
782 if (cursor->set & FB_CUR_SETHOT) {
783 temp = (cursor->hot.x << 16) + cursor->hot.y;
784 writel(temp, engine + VIA_REG_CURSOR_ORG);
787 if (cursor->set & FB_CUR_SETPOS) {
788 yy = cursor->image.dy - info->var.yoffset;
789 xx = cursor->image.dx - info->var.xoffset;
792 writel(temp, engine + VIA_REG_CURSOR_POS);
795 if (cursor->image.width <= 32 && cursor->image.height <= 32)
797 else if (cursor->image.width <= 64 && cursor->image.height <= 64)
800 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
801 "%dx%d", cursor->image.width, cursor->image.height);
805 if (cursor->set & FB_CUR_SETSIZE) {
806 temp = readl(engine + VIA_REG_CURSOR_MODE);
812 writel(temp, engine + VIA_REG_CURSOR_MODE);
815 if (cursor->set & FB_CUR_SETCMAP) {
816 fg_color = cursor->image.fg_color;
817 bg_color = cursor->image.bg_color;
818 if (chip_name == UNICHROME_CX700 ||
819 chip_name == UNICHROME_VX800 ||
820 chip_name == UNICHROME_VX855) {
822 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
823 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
824 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
826 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
827 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
828 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
831 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
832 (info->cmap.green[fg_color] & 0xFF00) |
833 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
835 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
836 (info->cmap.green[bg_color] & 0xFF00) |
837 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
840 writel(bg_color, engine + VIA_REG_CURSOR_BG);
841 writel(fg_color, engine + VIA_REG_CURSOR_FG);
844 if (cursor->set & FB_CUR_SETSHAPE) {
846 u8 data[CURSOR_SIZE];
847 u32 bak[CURSOR_SIZE / 4];
848 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
849 int size = ((cursor->image.width + 7) >> 3) *
850 cursor->image.height;
855 if (cur_size == 32) {
856 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
857 cr_data->bak[i] = 0x0;
858 cr_data->bak[i + 1] = 0xFFFFFFFF;
862 for (i = 0; i < (CURSOR_SIZE / 4); i++) {
863 cr_data->bak[i] = 0x0;
864 cr_data->bak[i + 1] = 0x0;
865 cr_data->bak[i + 2] = 0xFFFFFFFF;
866 cr_data->bak[i + 3] = 0xFFFFFFFF;
871 switch (cursor->rop) {
873 for (i = 0; i < size; i++)
874 cr_data->data[i] = cursor->mask[i];
878 for (i = 0; i < size; i++)
879 cr_data->data[i] = cursor->mask[i];
885 if (cur_size == 32) {
886 for (i = 0; i < size; i++) {
887 cr_data->bak[j] = (u32) cr_data->data[i];
888 cr_data->bak[j + 1] = ~cr_data->bak[j];
892 for (i = 0; i < size; i++) {
893 cr_data->bak[j] = (u32) cr_data->data[i];
894 cr_data->bak[j + 1] = 0x0;
895 cr_data->bak[j + 2] = ~cr_data->bak[j];
896 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
901 memcpy_toio(viafbinfo->screen_base + viapar->shared->
902 cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
907 viafb_show_hw_cursor(info, HW_Cursor_ON);
912 static int viafb_sync(struct fb_info *info)
914 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
915 viafb_wait_engine_idle(info);
919 static void check_available_device_to_enable(int device_id)
924 viafb_CRT_ON = STATE_OFF;
925 viafb_DVI_ON = STATE_OFF;
926 viafb_LCD_ON = STATE_OFF;
927 viafb_LCD2_ON = STATE_OFF;
928 viafb_DeviceStatus = None_Device;
930 if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
931 viafb_CRT_ON = STATE_ON;
933 viafb_DeviceStatus |= CRT_Device;
936 if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
937 viafb_DVI_ON = STATE_ON;
939 viafb_DeviceStatus |= DVI_Device;
942 if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
943 viafb_LCD_ON = STATE_ON;
945 viafb_DeviceStatus |= LCD_Device;
948 if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
949 viafb_LCD2_ON = STATE_ON;
951 viafb_DeviceStatus |= LCD2_Device;
954 if (viafb_DeviceStatus == None_Device) {
955 /* Use CRT as default active device: */
956 viafb_CRT_ON = STATE_ON;
957 viafb_DeviceStatus = CRT_Device;
959 DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
962 static void viafb_set_device(struct device_t active_dev)
964 /* Check available device to enable: */
965 int device_id = None_Device;
967 device_id |= CRT_Device;
969 device_id |= DVI_Device;
971 device_id |= LCD_Device;
973 check_available_device_to_enable(device_id);
975 /* Check property of LCD: */
977 if (active_dev.lcd_dsp_cent) {
978 viaparinfo->lvds_setting_info->display_method =
979 viafb_lcd_dsp_method = LCD_CENTERING;
981 viaparinfo->lvds_setting_info->display_method =
982 viafb_lcd_dsp_method = LCD_EXPANDSION;
985 if (active_dev.lcd_mode == LCD_SPWG) {
986 viaparinfo->lvds_setting_info->lcd_mode =
987 viafb_lcd_mode = LCD_SPWG;
989 viaparinfo->lvds_setting_info->lcd_mode =
990 viafb_lcd_mode = LCD_OPENLDI;
993 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
994 viafb_lcd_panel_id = active_dev.lcd_panel_id;
995 viafb_init_lcd_size();
999 /* Check property of mode: */
1000 if (!active_dev.xres1)
1001 viafb_second_xres = 640;
1003 viafb_second_xres = active_dev.xres1;
1004 if (!active_dev.yres1)
1005 viafb_second_yres = 480;
1007 viafb_second_yres = active_dev.yres1;
1008 if (active_dev.bpp != 0)
1009 viafb_bpp = active_dev.bpp;
1010 if (active_dev.bpp1 != 0)
1011 viafb_bpp1 = active_dev.bpp1;
1012 if (active_dev.refresh != 0)
1013 viafb_refresh = active_dev.refresh;
1014 if (active_dev.refresh1 != 0)
1015 viafb_refresh1 = active_dev.refresh1;
1016 if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1017 viafb_SAMM_ON = active_dev.samm;
1018 viafb_primary_dev = active_dev.primary_dev;
1020 viafb_set_primary_address(0);
1021 viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1022 viafb_set_iga_path();
1025 static int get_primary_device(void)
1027 int primary_device = 0;
1028 /* Rule: device on iga1 path are the primary device. */
1029 if (viafb_SAMM_ON) {
1031 if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1032 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1034 crt_setting_info->iga_path);
1035 primary_device = CRT_Device;
1039 if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1040 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1042 tmds_setting_info->iga_path);
1043 primary_device = DVI_Device;
1047 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1048 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1050 lvds_setting_info->iga_path);
1051 primary_device = LCD_Device;
1054 if (viafb_LCD2_ON) {
1055 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1056 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1058 lvds_setting_info2->iga_path);
1059 primary_device = LCD2_Device;
1063 return primary_device;
1066 static void apply_second_mode_setting(struct fb_var_screeninfo
1069 u32 htotal, vtotal, long_refresh;
1071 htotal = sec_var->xres + sec_var->left_margin +
1072 sec_var->right_margin + sec_var->hsync_len;
1073 vtotal = sec_var->yres + sec_var->upper_margin +
1074 sec_var->lower_margin + sec_var->vsync_len;
1075 if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1076 /*Is 32 bytes alignment? */
1077 /*32 pixel alignment */
1078 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1081 htotal = sec_var->xres + sec_var->left_margin +
1082 sec_var->right_margin + sec_var->hsync_len;
1083 vtotal = sec_var->yres + sec_var->upper_margin +
1084 sec_var->lower_margin + sec_var->vsync_len;
1085 long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1086 long_refresh /= (htotal * vtotal);
1088 viafb_second_xres = sec_var->xres;
1089 viafb_second_yres = sec_var->yres;
1090 viafb_second_virtual_xres = sec_var->xres_virtual;
1091 viafb_second_virtual_yres = sec_var->yres_virtual;
1092 viafb_bpp1 = sec_var->bits_per_pixel;
1093 viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1097 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1098 struct fb_info *info)
1100 int need_set_mode = 0;
1101 DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1103 if (setting_info.device_flag) {
1105 check_available_device_to_enable(setting_info.device_status);
1108 /* Unlock LCD's operation according to LCD flag
1109 and check if the setting value is valid. */
1110 /* If the value is valid, apply the new setting value to the device. */
1112 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1114 if (setting_info.lcd_attributes.display_center) {
1116 viaparinfo->lvds_setting_info->display_method =
1118 viafb_lcd_dsp_method = LCD_CENTERING;
1119 viaparinfo->lvds_setting_info2->display_method =
1120 viafb_lcd_dsp_method = LCD_CENTERING;
1123 viaparinfo->lvds_setting_info->display_method =
1125 viafb_lcd_dsp_method = LCD_EXPANDSION;
1126 viaparinfo->lvds_setting_info2->display_method =
1128 viafb_lcd_dsp_method = LCD_EXPANDSION;
1132 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1134 if (setting_info.lcd_attributes.lcd_mode ==
1136 viaparinfo->lvds_setting_info->lcd_mode =
1137 viafb_lcd_mode = LCD_SPWG;
1139 viaparinfo->lvds_setting_info->lcd_mode =
1140 viafb_lcd_mode = LCD_OPENLDI;
1142 viaparinfo->lvds_setting_info2->lcd_mode =
1143 viaparinfo->lvds_setting_info->lcd_mode;
1146 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1148 if (setting_info.lcd_attributes.panel_id <=
1149 LCD_PANEL_ID_MAXIMUM) {
1150 viafb_lcd_panel_id =
1151 setting_info.lcd_attributes.panel_id;
1152 viafb_init_lcd_size();
1157 if (0 != (setting_info.samm_status & OP_SAMM)) {
1158 setting_info.samm_status =
1159 setting_info.samm_status & (~OP_SAMM);
1160 if (setting_info.samm_status == 0
1161 || setting_info.samm_status == 1) {
1162 viafb_SAMM_ON = setting_info.samm_status;
1165 viafb_primary_dev = setting_info.primary_device;
1167 viafb_set_primary_address(0);
1168 viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1169 viafb_set_iga_path();
1174 if (!need_set_mode) {
1177 viafb_set_iga_path();
1178 viafb_set_par(info);
1183 static void retrieve_device_setting(struct viafb_ioctl_setting
1187 /* get device status */
1188 if (viafb_CRT_ON == 1)
1189 setting_info->device_status = CRT_Device;
1190 if (viafb_DVI_ON == 1)
1191 setting_info->device_status |= DVI_Device;
1192 if (viafb_LCD_ON == 1)
1193 setting_info->device_status |= LCD_Device;
1194 if (viafb_LCD2_ON == 1)
1195 setting_info->device_status |= LCD2_Device;
1197 setting_info->samm_status = viafb_SAMM_ON;
1198 setting_info->primary_device = get_primary_device();
1200 setting_info->first_dev_bpp = viafb_bpp;
1201 setting_info->second_dev_bpp = viafb_bpp1;
1203 setting_info->first_dev_refresh = viafb_refresh;
1204 setting_info->second_dev_refresh = viafb_refresh1;
1206 setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1207 setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1208 setting_info->second_dev_hor_res = viafb_second_xres;
1209 setting_info->second_dev_ver_res = viafb_second_yres;
1211 /* Get lcd attributes */
1212 setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1213 setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1214 setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1217 static int parse_active_dev(void)
1219 viafb_CRT_ON = STATE_OFF;
1220 viafb_DVI_ON = STATE_OFF;
1221 viafb_LCD_ON = STATE_OFF;
1222 viafb_LCD2_ON = STATE_OFF;
1223 /* 1. Modify the active status of devices. */
1224 /* 2. Keep the order of devices, so we can set corresponding
1225 IGA path to devices in SAMM case. */
1226 /* Note: The previous of active_dev is primary device,
1227 and the following is secondary device. */
1228 if (!viafb_active_dev) {
1229 viafb_CRT_ON = STATE_ON;
1230 viafb_SAMM_ON = STATE_OFF;
1231 } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1233 viafb_CRT_ON = STATE_ON;
1234 viafb_DVI_ON = STATE_ON;
1235 viafb_primary_dev = CRT_Device;
1236 } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1238 viafb_CRT_ON = STATE_ON;
1239 viafb_DVI_ON = STATE_ON;
1240 viafb_primary_dev = DVI_Device;
1241 } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1243 viafb_CRT_ON = STATE_ON;
1244 viafb_LCD_ON = STATE_ON;
1245 viafb_primary_dev = CRT_Device;
1246 } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1248 viafb_CRT_ON = STATE_ON;
1249 viafb_LCD_ON = STATE_ON;
1250 viafb_primary_dev = LCD_Device;
1251 } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1253 viafb_DVI_ON = STATE_ON;
1254 viafb_LCD_ON = STATE_ON;
1255 viafb_primary_dev = DVI_Device;
1256 } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1258 viafb_DVI_ON = STATE_ON;
1259 viafb_LCD_ON = STATE_ON;
1260 viafb_primary_dev = LCD_Device;
1261 } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1262 viafb_LCD_ON = STATE_ON;
1263 viafb_LCD2_ON = STATE_ON;
1264 viafb_primary_dev = LCD_Device;
1265 } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1266 viafb_LCD_ON = STATE_ON;
1267 viafb_LCD2_ON = STATE_ON;
1268 viafb_primary_dev = LCD2_Device;
1269 } else if (!strcmp(viafb_active_dev, "CRT")) {
1271 viafb_CRT_ON = STATE_ON;
1272 viafb_SAMM_ON = STATE_OFF;
1273 } else if (!strcmp(viafb_active_dev, "DVI")) {
1275 viafb_DVI_ON = STATE_ON;
1276 viafb_SAMM_ON = STATE_OFF;
1277 } else if (!strcmp(viafb_active_dev, "LCD")) {
1279 viafb_LCD_ON = STATE_ON;
1280 viafb_SAMM_ON = STATE_OFF;
1287 static int parse_port(char *opt_str, int *output_interface)
1289 if (!strncmp(opt_str, "DVP0", 4))
1290 *output_interface = INTERFACE_DVP0;
1291 else if (!strncmp(opt_str, "DVP1", 4))
1292 *output_interface = INTERFACE_DVP1;
1293 else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1294 *output_interface = INTERFACE_DFP;
1295 else if (!strncmp(opt_str, "DFP_HIGH", 8))
1296 *output_interface = INTERFACE_DFP_HIGH;
1297 else if (!strncmp(opt_str, "DFP_LOW", 7))
1298 *output_interface = INTERFACE_DFP_LOW;
1300 *output_interface = INTERFACE_NONE;
1304 static void parse_lcd_port(void)
1306 parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1308 /*Initialize to avoid unexpected behavior */
1309 viaparinfo->chip_info->lvds_chip_info2.output_interface =
1312 DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1313 viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1317 static void parse_dvi_port(void)
1319 parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1322 DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1323 viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1328 * The proc filesystem read/write function, a simple proc implement to
1329 * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
1330 * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1331 * CR9B, SR65, CR97, CR99
1333 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1335 u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1337 (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1338 (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1340 (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1341 (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1342 dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1343 seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1347 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1349 return single_open(file, viafb_dvp0_proc_show, NULL);
1352 static ssize_t viafb_dvp0_proc_write(struct file *file,
1353 const char __user *buffer, size_t count, loff_t *pos)
1355 char buf[20], *value, *pbuf;
1357 unsigned long length, i;
1360 length = count > 20 ? 20 : count;
1361 if (copy_from_user(&buf[0], buffer, length))
1363 buf[length - 1] = '\0'; /*Ensure end string */
1365 for (i = 0; i < 3; i++) {
1366 value = strsep(&pbuf, " ");
1367 if (value != NULL) {
1368 strict_strtoul(value, 0, (unsigned long *)®_val);
1369 DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1373 viafb_write_reg_mask(CR96, VIACR,
1377 viafb_write_reg_mask(SR2A, VIASR,
1378 reg_val << 4, BIT5);
1379 viafb_write_reg_mask(SR1B, VIASR,
1380 reg_val << 1, BIT1);
1383 viafb_write_reg_mask(SR2A, VIASR,
1384 reg_val << 3, BIT4);
1385 viafb_write_reg_mask(SR1E, VIASR,
1386 reg_val << 2, BIT2);
1398 static const struct file_operations viafb_dvp0_proc_fops = {
1399 .owner = THIS_MODULE,
1400 .open = viafb_dvp0_proc_open,
1402 .llseek = seq_lseek,
1403 .release = single_release,
1404 .write = viafb_dvp0_proc_write,
1407 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1409 u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1410 dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1411 dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1412 dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1413 seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1417 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1419 return single_open(file, viafb_dvp1_proc_show, NULL);
1422 static ssize_t viafb_dvp1_proc_write(struct file *file,
1423 const char __user *buffer, size_t count, loff_t *pos)
1425 char buf[20], *value, *pbuf;
1427 unsigned long length, i;
1430 length = count > 20 ? 20 : count;
1431 if (copy_from_user(&buf[0], buffer, length))
1433 buf[length - 1] = '\0'; /*Ensure end string */
1435 for (i = 0; i < 3; i++) {
1436 value = strsep(&pbuf, " ");
1437 if (value != NULL) {
1438 strict_strtoul(value, 0, (unsigned long *)®_val);
1441 viafb_write_reg_mask(CR9B, VIACR,
1445 viafb_write_reg_mask(SR65, VIASR,
1446 reg_val << 2, 0x0c);
1449 viafb_write_reg_mask(SR65, VIASR,
1462 static const struct file_operations viafb_dvp1_proc_fops = {
1463 .owner = THIS_MODULE,
1464 .open = viafb_dvp1_proc_open,
1466 .llseek = seq_lseek,
1467 .release = single_release,
1468 .write = viafb_dvp1_proc_write,
1471 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1474 dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1475 seq_printf(m, "%x\n", dfp_high);
1479 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1481 return single_open(file, viafb_dfph_proc_show, NULL);
1484 static ssize_t viafb_dfph_proc_write(struct file *file,
1485 const char __user *buffer, size_t count, loff_t *pos)
1489 unsigned long length;
1492 length = count > 20 ? 20 : count;
1493 if (copy_from_user(&buf[0], buffer, length))
1495 buf[length - 1] = '\0'; /*Ensure end string */
1496 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1497 viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1501 static const struct file_operations viafb_dfph_proc_fops = {
1502 .owner = THIS_MODULE,
1503 .open = viafb_dfph_proc_open,
1505 .llseek = seq_lseek,
1506 .release = single_release,
1507 .write = viafb_dfph_proc_write,
1510 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1513 dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1514 seq_printf(m, "%x\n", dfp_low);
1518 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1520 return single_open(file, viafb_dfpl_proc_show, NULL);
1523 static ssize_t viafb_dfpl_proc_write(struct file *file,
1524 const char __user *buffer, size_t count, loff_t *pos)
1528 unsigned long length;
1531 length = count > 20 ? 20 : count;
1532 if (copy_from_user(&buf[0], buffer, length))
1534 buf[length - 1] = '\0'; /*Ensure end string */
1535 strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
1536 viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1540 static const struct file_operations viafb_dfpl_proc_fops = {
1541 .owner = THIS_MODULE,
1542 .open = viafb_dfpl_proc_open,
1544 .llseek = seq_lseek,
1545 .release = single_release,
1546 .write = viafb_dfpl_proc_write,
1549 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1551 u8 vt1636_08 = 0, vt1636_09 = 0;
1552 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1555 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1556 &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1558 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1559 &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1560 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1565 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1568 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1569 &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1571 viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1572 &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1573 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1581 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1583 return single_open(file, viafb_vt1636_proc_show, NULL);
1586 static ssize_t viafb_vt1636_proc_write(struct file *file,
1587 const char __user *buffer, size_t count, loff_t *pos)
1589 char buf[30], *value, *pbuf;
1590 struct IODATA reg_val;
1591 unsigned long length, i;
1594 length = count > 30 ? 30 : count;
1595 if (copy_from_user(&buf[0], buffer, length))
1597 buf[length - 1] = '\0'; /*Ensure end string */
1599 switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1601 for (i = 0; i < 2; i++) {
1602 value = strsep(&pbuf, " ");
1603 if (value != NULL) {
1604 strict_strtoul(value, 0,
1605 (unsigned long *)®_val.Data);
1608 reg_val.Index = 0x08;
1609 reg_val.Mask = 0x0f;
1610 viafb_gpio_i2c_write_mask_lvds
1611 (viaparinfo->lvds_setting_info,
1613 chip_info->lvds_chip_info,
1617 reg_val.Index = 0x09;
1618 reg_val.Mask = 0x1f;
1619 viafb_gpio_i2c_write_mask_lvds
1620 (viaparinfo->lvds_setting_info,
1622 chip_info->lvds_chip_info,
1636 switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1638 for (i = 0; i < 2; i++) {
1639 value = strsep(&pbuf, " ");
1640 if (value != NULL) {
1641 strict_strtoul(value, 0,
1642 (unsigned long *)®_val.Data);
1645 reg_val.Index = 0x08;
1646 reg_val.Mask = 0x0f;
1647 viafb_gpio_i2c_write_mask_lvds
1648 (viaparinfo->lvds_setting_info2,
1650 chip_info->lvds_chip_info2,
1654 reg_val.Index = 0x09;
1655 reg_val.Mask = 0x1f;
1656 viafb_gpio_i2c_write_mask_lvds
1657 (viaparinfo->lvds_setting_info2,
1659 chip_info->lvds_chip_info2,
1676 static const struct file_operations viafb_vt1636_proc_fops = {
1677 .owner = THIS_MODULE,
1678 .open = viafb_vt1636_proc_open,
1680 .llseek = seq_lseek,
1681 .release = single_release,
1682 .write = viafb_vt1636_proc_write,
1685 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1687 *viafb_entry = proc_mkdir("viafb", NULL);
1689 proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
1690 proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
1691 proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
1692 proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
1693 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1694 lvds_chip_name || VT1636_LVDS ==
1695 viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1696 proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
1701 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1703 /* no problem if it was not registered */
1704 remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1705 remove_proc_entry("dvp1", viafb_entry);
1706 remove_proc_entry("dfph", viafb_entry);
1707 remove_proc_entry("dfpl", viafb_entry);
1708 remove_proc_entry("vt1636", viafb_entry);
1709 remove_proc_entry("vt1625", viafb_entry);
1710 remove_proc_entry("viafb", NULL);
1713 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1723 *xres = simple_strtoul(str, &ptr, 10);
1727 *yres = simple_strtoul(&ptr[1], &ptr, 10);
1734 static int __devinit via_pci_probe(struct pci_dev *pdev,
1735 const struct pci_device_id *ent)
1737 u32 default_xres, default_yres;
1738 struct VideoModeTable *vmode_entry;
1739 struct fb_var_screeninfo default_var;
1740 u32 viafb_par_length;
1742 DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1743 memset(&default_var, 0, sizeof(default_var));
1744 viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1746 /* Allocate fb_info and ***_par here, also including some other needed
1749 viafbinfo = framebuffer_alloc(viafb_par_length +
1750 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1753 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1757 viaparinfo = (struct viafb_par *)viafbinfo->par;
1758 viaparinfo->shared = viafbinfo->par + viafb_par_length;
1759 viaparinfo->vram_addr = 0;
1760 viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1761 viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1762 viaparinfo->lvds_setting_info2 =
1763 &viaparinfo->shared->lvds_setting_info2;
1764 viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1765 viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1772 /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1776 /* Set up I2C bus stuff */
1777 viafb_create_i2c_bus(viaparinfo);
1779 viafb_init_chip_info(pdev, ent);
1780 viaparinfo->fbmem = pci_resource_start(pdev, 0);
1781 viaparinfo->memsize = viafb_get_fb_size_from_pci();
1782 viaparinfo->fbmem_free = viaparinfo->memsize;
1783 viaparinfo->fbmem_used = 0;
1784 viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
1785 viaparinfo->memsize);
1786 if (!viafbinfo->screen_base) {
1787 printk(KERN_INFO "ioremap failed\n");
1791 viafbinfo->fix.mmio_start = pci_resource_start(pdev, 1);
1792 viafbinfo->fix.mmio_len = pci_resource_len(pdev, 1);
1793 viafbinfo->node = 0;
1794 viafbinfo->fbops = &viafb_ops;
1795 viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1797 viafbinfo->pseudo_palette = pseudo_pal;
1798 if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1799 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1800 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
1801 default_var.accel_flags = FB_ACCELF_TEXT;
1803 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1804 default_var.accel_flags = 0;
1807 if (viafb_second_size && (viafb_second_size < 8)) {
1808 viafb_second_offset = viaparinfo->fbmem_free -
1809 viafb_second_size * 1024 * 1024;
1811 viafb_second_size = 8;
1812 viafb_second_offset = viaparinfo->fbmem_free -
1813 viafb_second_size * 1024 * 1024;
1816 parse_mode(viafb_mode, &default_xres, &default_yres);
1817 vmode_entry = viafb_get_mode(default_xres, default_yres);
1818 if (viafb_SAMM_ON == 1) {
1819 parse_mode(viafb_mode1, &viafb_second_xres,
1820 &viafb_second_yres);
1822 if (0 == viafb_second_virtual_xres) {
1823 switch (viafb_second_xres) {
1825 viafb_second_virtual_xres = 1408;
1828 viafb_second_virtual_xres = viafb_second_xres;
1832 if (0 == viafb_second_virtual_yres)
1833 viafb_second_virtual_yres = viafb_second_yres;
1836 default_var.xres = default_xres;
1837 default_var.yres = default_yres;
1838 switch (default_xres) {
1840 default_var.xres_virtual = 1408;
1843 default_var.xres_virtual = default_xres;
1846 default_var.yres_virtual = default_yres;
1847 default_var.bits_per_pixel = viafb_bpp;
1848 default_var.pixclock =
1849 viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1850 default_var.left_margin = (default_xres >> 3) & 0xf8;
1851 default_var.right_margin = 32;
1852 default_var.upper_margin = 16;
1853 default_var.lower_margin = 4;
1854 default_var.hsync_len = default_var.left_margin;
1855 default_var.vsync_len = 4;
1856 viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1857 viafbinfo->var = default_var;
1859 if (viafb_dual_fb) {
1860 viafbinfo1 = framebuffer_alloc(viafb_par_length, &pdev->dev);
1863 "allocate the second framebuffer struct error\n");
1864 framebuffer_release(viafbinfo);
1867 viaparinfo1 = viafbinfo1->par;
1868 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1869 viaparinfo1->vram_addr = viafb_second_offset;
1870 viaparinfo1->memsize = viaparinfo->memsize -
1871 viafb_second_offset;
1872 viaparinfo->memsize = viafb_second_offset;
1873 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1875 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1876 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1877 viaparinfo1->fbmem_used;
1878 viaparinfo->fbmem_free = viaparinfo->memsize;
1879 viaparinfo->fbmem_used = 0;
1881 viaparinfo->iga_path = IGA1;
1882 viaparinfo1->iga_path = IGA2;
1883 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1884 viafbinfo1->par = viaparinfo1;
1885 viafbinfo1->screen_base = viafbinfo->screen_base +
1886 viafb_second_offset;
1888 default_var.xres = viafb_second_xres;
1889 default_var.yres = viafb_second_yres;
1890 default_var.xres_virtual = viafb_second_virtual_xres;
1891 default_var.yres_virtual = viafb_second_virtual_yres;
1892 default_var.bits_per_pixel = viafb_bpp1;
1893 default_var.pixclock =
1894 viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1896 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1897 default_var.right_margin = 32;
1898 default_var.upper_margin = 16;
1899 default_var.lower_margin = 4;
1900 default_var.hsync_len = default_var.left_margin;
1901 default_var.vsync_len = 4;
1903 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1904 viafb_check_var(&default_var, viafbinfo1);
1905 viafbinfo1->var = default_var;
1906 viafb_update_fix(viafbinfo1);
1907 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1911 viafb_check_var(&viafbinfo->var, viafbinfo);
1912 viafb_update_fix(viafbinfo);
1913 viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1915 default_var.activate = FB_ACTIVATE_NOW;
1916 fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1918 if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1919 && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1920 if (register_framebuffer(viafbinfo1) < 0)
1923 if (register_framebuffer(viafbinfo) < 0)
1926 if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1927 || (viaparinfo->chip_info->gfx_chip_name !=
1928 UNICHROME_CLE266))) {
1929 if (register_framebuffer(viafbinfo1) < 0)
1932 DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1933 viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1934 default_var.yres, default_var.bits_per_pixel);
1936 viafb_init_proc(&viaparinfo->shared->proc_entry);
1937 viafb_init_dac(IGA2);
1941 static void __devexit via_pci_remove(struct pci_dev *pdev)
1943 DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1944 fb_dealloc_cmap(&viafbinfo->cmap);
1945 unregister_framebuffer(viafbinfo);
1947 unregister_framebuffer(viafbinfo1);
1948 iounmap((void *)viafbinfo->screen_base);
1949 iounmap(viaparinfo->shared->engine_mmio);
1951 viafb_delete_i2c_buss(viaparinfo);
1953 framebuffer_release(viafbinfo);
1955 framebuffer_release(viafbinfo1);
1957 viafb_remove_proc(viaparinfo->shared->proc_entry);
1961 static int __init viafb_setup(char *options)
1964 DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1966 if (!options || !*options)
1969 while ((this_opt = strsep(&options, ",")) != NULL) {
1973 if (!strncmp(this_opt, "viafb_mode1=", 12))
1974 viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1975 else if (!strncmp(this_opt, "viafb_mode=", 11))
1976 viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1977 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1978 strict_strtoul(this_opt + 11, 0,
1979 (unsigned long *)&viafb_bpp1);
1980 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1981 strict_strtoul(this_opt + 10, 0,
1982 (unsigned long *)&viafb_bpp);
1983 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1984 strict_strtoul(this_opt + 15, 0,
1985 (unsigned long *)&viafb_refresh1);
1986 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1987 strict_strtoul(this_opt + 14, 0,
1988 (unsigned long *)&viafb_refresh);
1989 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1990 strict_strtoul(this_opt + 21, 0,
1991 (unsigned long *)&viafb_lcd_dsp_method);
1992 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1993 strict_strtoul(this_opt + 19, 0,
1994 (unsigned long *)&viafb_lcd_panel_id);
1995 else if (!strncmp(this_opt, "viafb_accel=", 12))
1996 strict_strtoul(this_opt + 12, 0,
1997 (unsigned long *)&viafb_accel);
1998 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1999 strict_strtoul(this_opt + 14, 0,
2000 (unsigned long *)&viafb_SAMM_ON);
2001 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2002 viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2003 else if (!strncmp(this_opt,
2004 "viafb_display_hardware_layout=", 30))
2005 strict_strtoul(this_opt + 30, 0,
2006 (unsigned long *)&viafb_display_hardware_layout);
2007 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2008 strict_strtoul(this_opt + 18, 0,
2009 (unsigned long *)&viafb_second_size);
2010 else if (!strncmp(this_opt,
2011 "viafb_platform_epia_dvi=", 24))
2012 strict_strtoul(this_opt + 24, 0,
2013 (unsigned long *)&viafb_platform_epia_dvi);
2014 else if (!strncmp(this_opt,
2015 "viafb_device_lcd_dualedge=", 26))
2016 strict_strtoul(this_opt + 26, 0,
2017 (unsigned long *)&viafb_device_lcd_dualedge);
2018 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2019 strict_strtoul(this_opt + 16, 0,
2020 (unsigned long *)&viafb_bus_width);
2021 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2022 strict_strtoul(this_opt + 15, 0,
2023 (unsigned long *)&viafb_lcd_mode);
2024 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2025 viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2026 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2027 viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2033 static struct pci_device_id viafb_pci_table[] __devinitdata = {
2034 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID),
2035 .driver_data = UNICHROME_CLE266 },
2036 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID),
2037 .driver_data = UNICHROME_PM800 },
2038 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID),
2039 .driver_data = UNICHROME_K400 },
2040 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K800_DID),
2041 .driver_data = UNICHROME_K800 },
2042 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID),
2043 .driver_data = UNICHROME_CN700 },
2044 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID),
2045 .driver_data = UNICHROME_K8M890 },
2046 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CX700_DID),
2047 .driver_data = UNICHROME_CX700 },
2048 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID),
2049 .driver_data = UNICHROME_P4M900 },
2050 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN750_DID),
2051 .driver_data = UNICHROME_CN750 },
2052 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX800_DID),
2053 .driver_data = UNICHROME_VX800 },
2054 { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX855_DID),
2055 .driver_data = UNICHROME_VX855 },
2058 MODULE_DEVICE_TABLE(pci, viafb_pci_table);
2060 static struct pci_driver viafb_driver = {
2062 .id_table = viafb_pci_table,
2063 .probe = via_pci_probe,
2064 .remove = __devexit_p(via_pci_remove),
2067 static int __init viafb_init(void)
2071 char *option = NULL;
2072 if (fb_get_options("viafb", &option))
2074 viafb_setup(option);
2076 if (parse_mode(viafb_mode, &dummy, &dummy)
2077 || parse_mode(viafb_mode1, &dummy, &dummy)
2078 || viafb_bpp < 0 || viafb_bpp > 32
2079 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2080 || parse_active_dev())
2084 "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2085 VERSION_MAJOR, VERSION_MINOR);
2086 return pci_register_driver(&viafb_driver);
2089 static void __exit viafb_exit(void)
2091 DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2092 pci_unregister_driver(&viafb_driver);
2095 static struct fb_ops viafb_ops = {
2096 .owner = THIS_MODULE,
2097 .fb_open = viafb_open,
2098 .fb_release = viafb_release,
2099 .fb_check_var = viafb_check_var,
2100 .fb_set_par = viafb_set_par,
2101 .fb_setcolreg = viafb_setcolreg,
2102 .fb_pan_display = viafb_pan_display,
2103 .fb_blank = viafb_blank,
2104 .fb_fillrect = viafb_fillrect,
2105 .fb_copyarea = viafb_copyarea,
2106 .fb_imageblit = viafb_imageblit,
2107 .fb_cursor = viafb_cursor,
2108 .fb_ioctl = viafb_ioctl,
2109 .fb_sync = viafb_sync,
2112 module_init(viafb_init);
2113 module_exit(viafb_exit);
2116 module_param(viafb_mode, charp, S_IRUSR);
2117 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2119 module_param(viafb_mode1, charp, S_IRUSR);
2120 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2122 module_param(viafb_bpp, int, S_IRUSR);
2123 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2125 module_param(viafb_bpp1, int, S_IRUSR);
2126 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2128 module_param(viafb_refresh, int, S_IRUSR);
2129 MODULE_PARM_DESC(viafb_refresh,
2130 "Set CRT viafb_refresh rate (default = 60)");
2132 module_param(viafb_refresh1, int, S_IRUSR);
2133 MODULE_PARM_DESC(viafb_refresh1,
2134 "Set CRT refresh rate (default = 60)");
2136 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2137 MODULE_PARM_DESC(viafb_lcd_panel_id,
2138 "Set Flat Panel type(Default=1024x768)");
2140 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2141 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2142 "Set Flat Panel display scaling method.(Default=Expandsion)");
2144 module_param(viafb_SAMM_ON, int, S_IRUSR);
2145 MODULE_PARM_DESC(viafb_SAMM_ON,
2146 "Turn on/off flag of SAMM(Default=OFF)");
2148 module_param(viafb_accel, int, S_IRUSR);
2149 MODULE_PARM_DESC(viafb_accel,
2150 "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2152 module_param(viafb_active_dev, charp, S_IRUSR);
2153 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2155 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2156 MODULE_PARM_DESC(viafb_display_hardware_layout,
2157 "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2159 module_param(viafb_second_size, int, S_IRUSR);
2160 MODULE_PARM_DESC(viafb_second_size,
2161 "Set secondary device memory size");
2163 module_param(viafb_dual_fb, int, S_IRUSR);
2164 MODULE_PARM_DESC(viafb_dual_fb,
2165 "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2167 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2168 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2169 "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2171 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2172 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2173 "Turn on/off flag of dual edge panel.(Default = OFF)");
2175 module_param(viafb_bus_width, int, S_IRUSR);
2176 MODULE_PARM_DESC(viafb_bus_width,
2177 "Set bus width of panel.(Default = 12)");
2179 module_param(viafb_lcd_mode, int, S_IRUSR);
2180 MODULE_PARM_DESC(viafb_lcd_mode,
2181 "Set Flat Panel mode(Default=OPENLDI)");
2183 module_param(viafb_lcd_port, charp, S_IRUSR);
2184 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2186 module_param(viafb_dvi_port, charp, S_IRUSR);
2187 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2189 MODULE_LICENSE("GPL");