dev/pci/agp_sis.c

99 	struct agp_sis_softc	*ssc = (struct agp_sis_softc *)self;
106 	    PCI_MAPREG_TYPE_MEM, &ssc->ssc_apaddr, NULL, NULL) != 0) {
111 	ssc->ssc_pc = pa->pa_pc;
112 	ssc->ssc_tag = pa->pa_tag;
113 	ssc->ssc_apsize = agp_sis_get_aperture(ssc);
116 		gatt = agp_alloc_gatt(pa->pa_dmat, ssc->ssc_apsize);
124 		ssc->ssc_apsize /= 2;
125 		if (agp_sis_set_aperture(ssc, ssc->ssc_apsize)) {
130 	ssc->gatt = gatt;
133 	pci_conf_write(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_ATTBASE,
137 	reg = pci_conf_read(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_WINCTRL);
139 	pci_conf_write(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_WINCTRL, reg);
141 	ssc->agpdev = (struct agp_softc *)agp_attach_bus(pa, &agp_sis_methods,
142 	    ssc->ssc_apaddr, ssc->ssc_apsize, &ssc->dev);
149 	struct agp_sis_softc *ssc = (struct agp_sis_softc *)arg;
153 		agp_sis_save(ssc);
156 		agp_sis_restore(ssc);
164 agp_sis_save(struct agp_sis_softc *ssc)
166 	ssc->ssc_winctrl = pci_conf_read(ssc->ssc_pc, ssc->ssc_tag,
171 agp_sis_restore(struct agp_sis_softc *ssc)
174 	pci_conf_write(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_ATTBASE,
175 	    ssc->gatt->ag_physical);
181 	pci_conf_write(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_WINCTRL,
182 	    ssc->ssc_winctrl);
188 	struct agp_sis_softc	*ssc = sc;
194 	gws = (pci_conf_read(ssc->ssc_pc, ssc->ssc_tag,
202 	struct agp_sis_softc	*ssc = sc;
217 	reg = pci_conf_read(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_WINCTRL);
220 	pci_conf_write(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_WINCTRL, reg);
228 	struct agp_sis_softc	*ssc = sc;
230 	ssc->gatt->ag_virtual[(offset - ssc->ssc_apaddr) >> AGP_PAGE_SHIFT] =
237 	struct agp_sis_softc	*ssc = sc;
239 	ssc->gatt->ag_virtual[(offset - ssc->ssc_apaddr) >> AGP_PAGE_SHIFT] = 0;
245 	struct agp_sis_softc	*ssc = sc;
248 	reg = pci_conf_read(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_TLBFLUSH);
251 	pci_conf_write(ssc->ssc_pc, ssc->ssc_tag, AGP_SIS_TLBFLUSH, reg);