28 #define dac_reg	(0x3c8)
29 #define dac_val	(0x3c9)
63 static int   ypan       __read_mostly;		/* 0..nothing, 1..ypan, 2..ywrap */
81                 : "a" (0x4f07),         /* EAX */  in vesafb_pan_display()
82                   "b" (0),              /* EBX */  in vesafb_pan_display()
87 	return 0;  in vesafb_pan_display()
104 		err = 0;  in vesa_setpalette()
117 		entry.pad   = 0;  in vesa_setpalette()
121                 : "a" (0x4f09),         /* EAX */  in vesa_setpalette()
122                   "b" (0),              /* EBX */  in vesa_setpalette()
127 		err = 0;  in vesa_setpalette()
138 	int err = 0;  in vesafb_setcolreg()
144 	 *  != 0 for invalid regno.  in vesafb_setcolreg()
158 					((red   & 0xf800) >>  1) |  in vesafb_setcolreg()
159 					((green & 0xf800) >>  6) |  in vesafb_setcolreg()
160 					((blue  & 0xf800) >> 11);  in vesafb_setcolreg()
162 				/* 0:5:6:5 */  in vesafb_setcolreg()
164 					((red   & 0xf800)      ) |  in vesafb_setcolreg()
165 					((green & 0xfc00) >>  5) |  in vesafb_setcolreg()
166 					((blue  & 0xf800) >> 11);  in vesafb_setcolreg()
215 		return 0;  in vesafb_setup()
223 			ypan=0;  in vesafb_setup()
229 			pmi_setpal=0;  in vesafb_setup()
233 			mtrr = simple_strtoul(this_opt+5, NULL, 0);  in vesafb_setup()
235 			mtrr=0;  in vesafb_setup()
237 			vram_total = simple_strtoul(this_opt+7, NULL, 0);  in vesafb_setup()
239 			vram_remap = simple_strtoul(this_opt+7, NULL, 0);  in vesafb_setup()
241 	return 0;  in vesafb_setup()
313 	si->vesapm_seg = 0;  in vesafb_probe()
318 		       "vesafb: cannot reserve video memory at 0x%lx\n",  in vesafb_probe()
345 	if (si->vesapm_seg < 0xc000)  in vesafb_probe()
346 		ypan = pmi_setpal = 0; /* not available or some DOS TSR ... */  in vesafb_probe()
358 			for (i = pmi_base[3]/2; pmi_base[i] != 0xffff; i++)  in vesafb_probe()
361 			if (pmi_base[i] != 0xffff) {  in vesafb_probe()
369 				ypan = pmi_setpal = 0;  in vesafb_probe()
388 		ypan = 0;  in vesafb_probe()
393 	vesafb_defined.left_margin  = (vesafb_defined.xres / 8) & 0xf8;  in vesafb_probe()
394 	vesafb_defined.hsync_len    = (vesafb_defined.xres / 8) & 0xf8;  in vesafb_probe()
427 	vesafb_fix.ypanstep  = ypan     ? 1 : 0;  in vesafb_probe()
428 	vesafb_fix.ywrapstep = (ypan>1) ? 1 : 0;  in vesafb_probe()
432 	par->region = request_region(0x3c0, 32, "vesafb");  in vesafb_probe()
446 		} while (temp_size >= PAGE_SIZE && par->wc_cookie < 0);  in vesafb_probe()
457 		       "vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n",  in vesafb_probe()
463 	printk(KERN_INFO "vesafb: framebuffer at 0x%lx, mapped to 0x%p, "  in vesafb_probe()
474 	info->flags = (ypan ? FBINFO_HWACCEL_YPAN : 0);  in vesafb_probe()
476 	if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {  in vesafb_probe()
483 	if (register_framebuffer(info)<0) {  in vesafb_probe()
488 	return 0;  in vesafb_probe()
496 		release_region(0x3c0, 32);  in vesafb_probe()
507 		release_region(0x3c0, 32);  in vesafb_remove()