84 	struct hdac_ext_link *hlink;  in snd_hdac_ext_bus_get_ml_capabilities()  local
92 		hlink = kzalloc_obj(*hlink);  in snd_hdac_ext_bus_get_ml_capabilities()
93 		if (!hlink)  in snd_hdac_ext_bus_get_ml_capabilities()
95 		hlink->index = idx;  in snd_hdac_ext_bus_get_ml_capabilities()
96 		hlink->bus = bus;  in snd_hdac_ext_bus_get_ml_capabilities()
97 		hlink->ml_addr = bus->mlcap + AZX_ML_BASE +  in snd_hdac_ext_bus_get_ml_capabilities()
99 		hlink->lcaps  = readl(hlink->ml_addr + AZX_REG_ML_LCAP);  in snd_hdac_ext_bus_get_ml_capabilities()
100 		hlink->lsdiid = readw(hlink->ml_addr + AZX_REG_ML_LSDIID);  in snd_hdac_ext_bus_get_ml_capabilities()
101 		hlink->slcount = FIELD_GET(AZX_ML_HDA_LCAP_SLCOUNT, hlink->lcaps) + 1;  in snd_hdac_ext_bus_get_ml_capabilities()
103 		if (hdac_ext_link_alt(hlink)) {  in snd_hdac_ext_bus_get_ml_capabilities()
104 			leptr = readl(hlink->ml_addr + AZX_REG_ML_LEPTR);  in snd_hdac_ext_bus_get_ml_capabilities()
105 			hlink->id = FIELD_GET(AZX_REG_ML_LEPTR_ID, leptr);  in snd_hdac_ext_bus_get_ml_capabilities()
109 		hlink->ref_count = 1;  in snd_hdac_ext_bus_get_ml_capabilities()
111 		list_add_tail(&hlink->list, &bus->hlink_list);  in snd_hdac_ext_bus_get_ml_capabilities()
126 	struct hdac_ext_link *hlink;  in snd_hdac_ext_link_free_all()  local
129 		hlink = list_first_entry(&bus->hlink_list, struct hdac_ext_link, list);  in snd_hdac_ext_link_free_all()
130 		list_del(&hlink->list);  in snd_hdac_ext_link_free_all()
131 		kfree(hlink);  in snd_hdac_ext_link_free_all()
138 	struct hdac_ext_link *hlink;  in snd_hdac_ext_bus_get_hlink_by_id()  local
140 	list_for_each_entry(hlink, &bus->hlink_list, list)  in snd_hdac_ext_bus_get_hlink_by_id()
141 		if (hdac_ext_link_alt(hlink) && hlink->id == id)  in snd_hdac_ext_bus_get_hlink_by_id()
142 			return hlink;  in snd_hdac_ext_bus_get_hlink_by_id()
156 	struct hdac_ext_link *hlink;  in snd_hdac_ext_bus_get_hlink_by_addr()  local
158 	list_for_each_entry(hlink, &bus->hlink_list, list)  in snd_hdac_ext_bus_get_hlink_by_addr()
159 		if (hlink->lsdiid & (0x1 << addr))  in snd_hdac_ext_bus_get_hlink_by_addr()
160 			return hlink;  in snd_hdac_ext_bus_get_hlink_by_addr()
186 static int check_hdac_link_power_active(struct hdac_ext_link *hlink, bool enable)  in check_hdac_link_power_active()  argument
196 		val = readl(hlink->ml_addr + AZX_REG_ML_LCTL);  in check_hdac_link_power_active()
214 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink)  in snd_hdac_ext_bus_link_power_up()  argument
216 	snd_hdac_updatel(hlink->ml_addr, AZX_REG_ML_LCTL,  in snd_hdac_ext_bus_link_power_up()
219 	return check_hdac_link_power_active(hlink, true);  in snd_hdac_ext_bus_link_power_up()
227 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink)  in snd_hdac_ext_bus_link_power_down()  argument
229 	snd_hdac_updatel(hlink->ml_addr, AZX_REG_ML_LCTL, AZX_ML_LCTL_SPA, 0);  in snd_hdac_ext_bus_link_power_down()
231 	return check_hdac_link_power_active(hlink, false);  in snd_hdac_ext_bus_link_power_down()
241 	struct hdac_ext_link *hlink = NULL;  in snd_hdac_ext_bus_link_power_up_all()  local
244 	list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_power_up_all()
245 		ret = snd_hdac_ext_bus_link_power_up(hlink);  in snd_hdac_ext_bus_link_power_up_all()
260 	struct hdac_ext_link *hlink = NULL;  in snd_hdac_ext_bus_link_power_down_all()  local
263 	list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_power_down_all()
264 		ret = snd_hdac_ext_bus_link_power_down(hlink);  in snd_hdac_ext_bus_link_power_down_all()
298 				struct hdac_ext_link *hlink)  in snd_hdac_ext_bus_link_get()  argument
309 	if (++hlink->ref_count == 1) {  in snd_hdac_ext_bus_link_get()
315 		ret = snd_hdac_ext_bus_link_power_up(hlink);  in snd_hdac_ext_bus_link_get()
320 		snd_hdac_updatew(hlink->ml_addr, AZX_REG_ML_LOSIDV,  in snd_hdac_ext_bus_link_get()
339 			      struct hdac_ext_link *hlink)  in snd_hdac_ext_bus_link_put()  argument
351 	if (--hlink->ref_count == 0) {  in snd_hdac_ext_bus_link_put()
352 		ret = snd_hdac_ext_bus_link_power_down(hlink);  in snd_hdac_ext_bus_link_put()
378 	struct hdac_ext_link *hlink =  in hdac_ext_codec_link_up()  local
381 	if (hlink)  in hdac_ext_codec_link_up()
382 		snd_hdac_ext_bus_link_get(codec->bus, hlink);  in hdac_ext_codec_link_up()
388 	struct hdac_ext_link *hlink =  in hdac_ext_codec_link_down()  local
391 	if (hlink)  in hdac_ext_codec_link_down()
392 		snd_hdac_ext_bus_link_put(codec->bus, hlink);  in hdac_ext_codec_link_down()