68 		struct xhci_ep_ctx *ep_ctx, struct mu3h_sch_ep_info *sch_ep)  in setup_sch_info()  argument
83 	sch_ep->esit = 1 << ep_interval;  in setup_sch_info()
84 	sch_ep->offset = 0;  in setup_sch_info()
85 	sch_ep->burst_mode = 0;  in setup_sch_info()
88 		sch_ep->cs_count = 0;  in setup_sch_info()
95 		sch_ep->num_budget_microframes = 1;  in setup_sch_info()
96 		sch_ep->repeat = 0;  in setup_sch_info()
103 		sch_ep->pkts = max_burst + 1;  in setup_sch_info()
104 		sch_ep->bw_cost_per_microframe = max_packet_size * sch_ep->pkts;  in setup_sch_info()
107 		sch_ep->cs_count = 0;  in setup_sch_info()
110 			sch_ep->pkts = esit_pkts;  in setup_sch_info()
111 			sch_ep->num_budget_microframes = 1;  in setup_sch_info()
112 			sch_ep->repeat = 0;  in setup_sch_info()
116 			if (esit_pkts <= sch_ep->esit)  in setup_sch_info()
117 				sch_ep->pkts = 1;  in setup_sch_info()
119 				sch_ep->pkts = roundup_pow_of_two(esit_pkts)  in setup_sch_info()
120 					/ sch_ep->esit;  in setup_sch_info()
122 			sch_ep->num_budget_microframes =  in setup_sch_info()
123 				DIV_ROUND_UP(esit_pkts, sch_ep->pkts);  in setup_sch_info()
125 			if (sch_ep->num_budget_microframes > 1)  in setup_sch_info()
126 				sch_ep->repeat = 1;  in setup_sch_info()
128 				sch_ep->repeat = 0;  in setup_sch_info()
130 		sch_ep->bw_cost_per_microframe = max_packet_size * sch_ep->pkts;  in setup_sch_info()
137 		sch_ep->repeat = 0;  in setup_sch_info()
138 		sch_ep->pkts = 1; /* at most one packet for each microframe */  in setup_sch_info()
140 			sch_ep->cs_count = 3; /* at most need 3 CS*/  in setup_sch_info()
142 			sch_ep->num_budget_microframes = sch_ep->cs_count + 2;  in setup_sch_info()
143 			sch_ep->bw_cost_per_microframe = max_packet_size;  in setup_sch_info()
151 			sch_ep->num_budget_microframes = DIV_ROUND_UP(  in setup_sch_info()
153 			sch_ep->bw_cost_per_microframe = FS_PAYLOAD_MAX;  in setup_sch_info()
154 			sch_ep->cs_count = sch_ep->num_budget_microframes;  in setup_sch_info()
158 			sch_ep->cs_count = DIV_ROUND_UP(  in setup_sch_info()
160 			sch_ep->num_budget_microframes = sch_ep->cs_count + 2;  in setup_sch_info()
161 			sch_ep->bw_cost_per_microframe = FS_PAYLOAD_MAX;  in setup_sch_info()
168 	struct mu3h_sch_ep_info *sch_ep, u32 offset)  in get_max_bw()  argument
175 	num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;  in get_max_bw()
177 		u32 base = offset + i * sch_ep->esit;  in get_max_bw()
179 		for (j = 0; j < sch_ep->num_budget_microframes; j++) {  in get_max_bw()
188 	struct mu3h_sch_ep_info *sch_ep, int bw_cost)  in update_bus_bw()  argument
195 	num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;  in update_bus_bw()
197 		base = sch_ep->offset + i * sch_ep->esit;  in update_bus_bw()
198 		for (j = 0; j < sch_ep->num_budget_microframes; j++)  in update_bus_bw()
204 	struct mu3h_sch_bw_info *sch_bw, struct mu3h_sch_ep_info *sch_ep)  in check_sch_bw()  argument
214 	if (sch_ep->esit > XHCI_MTK_MAX_ESIT)  in check_sch_bw()
215 		sch_ep->esit = XHCI_MTK_MAX_ESIT;  in check_sch_bw()
217 	esit = sch_ep->esit;  in check_sch_bw()
218 	num_budget_microframes = sch_ep->num_budget_microframes;  in check_sch_bw()
227 		if ((offset + num_budget_microframes) > sch_ep->esit)  in check_sch_bw()
237 		worst_bw = get_max_bw(sch_bw, sch_ep, offset);  in check_sch_bw()
245 	sch_ep->offset = min_index;  in check_sch_bw()
251 	if (min_bw + sch_ep->bw_cost_per_microframe > bw_boundary)  in check_sch_bw()
255 	update_bus_bw(sch_bw, sch_ep, sch_ep->bw_cost_per_microframe);  in check_sch_bw()
317 	struct mu3h_sch_ep_info *sch_ep;  in xhci_mtk_add_ep_quirk()  local
350 	sch_ep = kzalloc(sizeof(struct mu3h_sch_ep_info), GFP_NOIO);  in xhci_mtk_add_ep_quirk()
351 	if (!sch_ep)  in xhci_mtk_add_ep_quirk()
354 	setup_sch_info(udev, ep_ctx, sch_ep);  in xhci_mtk_add_ep_quirk()
356 	ret = check_sch_bw(udev, sch_bw, sch_ep);  in xhci_mtk_add_ep_quirk()
359 		kfree(sch_ep);  in xhci_mtk_add_ep_quirk()
363 	list_add_tail(&sch_ep->endpoint, &sch_bw->bw_ep_list);  in xhci_mtk_add_ep_quirk()
364 	sch_ep->ep = ep;  in xhci_mtk_add_ep_quirk()
366 	ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(sch_ep->pkts)  in xhci_mtk_add_ep_quirk()
367 		| EP_BCSCOUNT(sch_ep->cs_count) | EP_BBM(sch_ep->burst_mode));  in xhci_mtk_add_ep_quirk()
368 	ep_ctx->reserved[1] |= cpu_to_le32(EP_BOFFSET(sch_ep->offset)  in xhci_mtk_add_ep_quirk()
369 		| EP_BREPEAT(sch_ep->repeat));  in xhci_mtk_add_ep_quirk()
372 			sch_ep->pkts, sch_ep->cs_count, sch_ep->burst_mode,  in xhci_mtk_add_ep_quirk()
373 			sch_ep->offset, sch_ep->repeat);  in xhci_mtk_add_ep_quirk()
388 	struct mu3h_sch_ep_info *sch_ep;  in xhci_mtk_drop_ep_quirk()  local
407 	list_for_each_entry(sch_ep, &sch_bw->bw_ep_list, endpoint) {  in xhci_mtk_drop_ep_quirk()
408 		if (sch_ep->ep == ep) {  in xhci_mtk_drop_ep_quirk()
409 			update_bus_bw(sch_bw, sch_ep,  in xhci_mtk_drop_ep_quirk()
410 				-sch_ep->bw_cost_per_microframe);  in xhci_mtk_drop_ep_quirk()
411 			list_del(&sch_ep->endpoint);  in xhci_mtk_drop_ep_quirk()
412 			kfree(sch_ep);  in xhci_mtk_drop_ep_quirk()