61 	uint32_t	aperture;  member
130 	/* Set the aperture bus address base (must be 0) */  in agp_apple_attach()
138 	sc->aperture = 256*1024*1024;  in agp_apple_attach()
140 	for (sc->aperture = 256*1024*1024; sc->aperture >= 4*1024*1024;  in agp_apple_attach()
141 	    sc->aperture /= 2) {  in agp_apple_attach()
146 	if (sc->aperture < 4*1024*1024) {  in agp_apple_attach()
152 	AGP_SET_APERTURE(dev, sc->aperture);  in agp_apple_attach()
156 	/* Enable the aperture and TLB. */  in agp_apple_attach()
169 	/* Disable the aperture and TLB */  in agp_apple_detach()
191 	return (sc->aperture);  in agp_apple_get_aperture()
195 agp_apple_set_aperture(device_t dev, uint32_t aperture)  in agp_apple_set_aperture()  argument
203 	if (aperture % (4*1024*1024)  in agp_apple_set_aperture()
204 	    || aperture < 4*1024*1024  in agp_apple_set_aperture()
205 	    || aperture > ((sc->u3) ? 512 : 256)*1024*1024)  in agp_apple_set_aperture()
208 	/* The aperture value is a multiple of 4 MB */  in agp_apple_set_aperture()
209 	aperture /= (4*1024*1024);  in agp_apple_set_aperture()
212 	    (sc->gatt->ag_physical & 0xfffff000) | aperture, 4);  in agp_apple_set_aperture()