87 static int map_subwins(int liodn, struct fsl_dma_domain *dma_domain)  in map_subwins()  argument
97 			ret = pamu_config_spaace(liodn, dma_domain->win_cnt, i,  in map_subwins()
107 				pr_debug("SPAACE configuration failed for liodn %d\n",  in map_subwins()
108 					 liodn);  in map_subwins()
117 static int map_win(int liodn, struct fsl_dma_domain *dma_domain)  in map_win()  argument
125 	ret = pamu_config_ppaace(liodn, wnd_addr,  in map_win()
133 		pr_debug("PAACE configuration failed for liodn %d\n", liodn);  in map_win()
138 /* Map the DMA window corresponding to the LIODN */
139 static int map_liodn(int liodn, struct fsl_dma_domain *dma_domain)  in map_liodn()  argument
142 		return map_subwins(liodn, dma_domain);  in map_liodn()
144 		return map_win(liodn, dma_domain);  in map_liodn()
147 /* Update window/subwindow mapping for the LIODN */
148 static int update_liodn(int liodn, struct fsl_dma_domain *dma_domain, u32 wnd_nr)  in update_liodn()  argument
156 		ret = pamu_config_spaace(liodn, dma_domain->win_cnt, wnd_nr,  in update_liodn()
165 			pr_debug("Subwindow reconfiguration failed for liodn %d\n",  in update_liodn()
166 				 liodn);  in update_liodn()
172 		ret = pamu_config_ppaace(liodn, wnd_addr,  in update_liodn()
179 			pr_debug("Window reconfiguration failed for liodn %d\n",  in update_liodn()
180 				 liodn);  in update_liodn()
188 static int update_liodn_stash(int liodn, struct fsl_dma_domain *dma_domain,  in update_liodn_stash()  argument
196 		pr_debug("Windows not configured, stash destination update failed for liodn %d\n",  in update_liodn_stash()
197 			 liodn);  in update_liodn_stash()
203 		ret = pamu_update_paace_stash(liodn, i, val);  in update_liodn_stash()
205 			pr_debug("Failed to update SPAACE %d field for liodn %d\n ",  in update_liodn_stash()
206 				 i, liodn);  in update_liodn_stash()
217 /* Set the geometry parameters for a LIODN */
218 static int pamu_set_liodn(int liodn, struct device *dev,  in pamu_set_liodn()  argument
240 	ret = pamu_disable_liodn(liodn);  in pamu_set_liodn()
242 		ret = pamu_config_ppaace(liodn, window_addr, window_size, omi_index,  in pamu_set_liodn()
247 		pr_debug("PAACE configuration failed for liodn %d, win_cnt =%d\n",  in pamu_set_liodn()
248 			 liodn, win_cnt);  in pamu_set_liodn()
256 			ret = pamu_disable_spaace(liodn, i);  in pamu_set_liodn()
258 				ret = pamu_config_spaace(liodn, win_cnt, i,  in pamu_set_liodn()
265 				pr_debug("SPAACE configuration failed for liodn %d\n",  in pamu_set_liodn()
266 					 liodn);  in pamu_set_liodn()
322 		pamu_free_subwins(info->liodn);  in remove_device_ref()
323 	pamu_disable_liodn(info->liodn);  in remove_device_ref()
345 static void attach_device(struct fsl_dma_domain *dma_domain, int liodn, struct device *dev)  in attach_device()  argument
365 	info->liodn = liodn;  in attach_device()
371 	 * the info for the first LIODN as all  in attach_device()
438 		ret = pamu_set_liodn(info->liodn, info->dev, dma_domain,  in pamu_set_domain_geometry()
454 		ret = update_liodn_stash(info->liodn, dma_domain, val);  in update_domain_stash()
469 		ret = update_liodn(info->liodn, dma_domain, wnd_nr);  in update_domain_mapping()
483 			ret = pamu_disable_liodn(info->liodn);  in disable_domain_win()
487 			ret = pamu_disable_spaace(info->liodn, wnd_nr);  in disable_domain_win()
596  * Attach the LIODN to the DMA domain and configure the geometry
600 				struct device *dev, const u32 *liodn,  in handle_attach_device()  argument
610 		/* Ensure that LIODN value is valid */  in handle_attach_device()
611 		if (liodn[i] >= PAACE_NUMBER_ENTRIES) {  in handle_attach_device()
612 			pr_debug("Invalid liodn %d, attach device failed for %pOF\n",  in handle_attach_device()
613 				 liodn[i], dev->of_node);  in handle_attach_device()
618 		attach_device(dma_domain, liodn[i], dev);  in handle_attach_device()
622 		 * the LIODN.  in handle_attach_device()
627 			ret = pamu_set_liodn(liodn[i], dev, dma_domain,  in handle_attach_device()
634 				 * the LIODN.  in handle_attach_device()
636 				ret = map_liodn(liodn[i], dma_domain);  in handle_attach_device()
651 	const u32 *liodn;  in fsl_pamu_attach_device()  local
658 	 * Use LIODN of the PCI controller while attaching a  in fsl_pamu_attach_device()
666 		 * so we can get the LIODN programmed by  in fsl_pamu_attach_device()
672 	liodn = of_get_property(dev->of_node, "fsl,liodn", &len);  in fsl_pamu_attach_device()
673 	if (liodn) {  in fsl_pamu_attach_device()
675 		ret = handle_attach_device(dma_domain, dev, liodn, liodn_cnt);  in fsl_pamu_attach_device()
677 		pr_debug("missing fsl,liodn property at %pOF\n", dev->of_node);  in fsl_pamu_attach_device()
694 	 * Use LIODN of the PCI controller while detaching a  in fsl_pamu_detach_device()
702 		 * so we can get the LIODN programmed by  in fsl_pamu_detach_device()
708 	prop = of_get_property(dev->of_node, "fsl,liodn", &len);  in fsl_pamu_detach_device()
712 		pr_debug("missing fsl,liodn property at %pOF\n", dev->of_node);  in fsl_pamu_detach_device()
794 		ret = (enable) ? pamu_enable_liodn(info->liodn) :  in configure_domain_dma_state()
795 			pamu_disable_liodn(info->liodn);  in configure_domain_dma_state()
797 			pr_debug("Unable to set dma state for liodn %d",  in configure_domain_dma_state()
798 				 info->liodn);  in configure_domain_dma_state()
1013 	else if (of_get_property(dev->of_node, "fsl,liodn", &len))  in fsl_pamu_device_group()