25  * @bus: the pointer to HDAC bus object
28 void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *bus, bool enable)  in snd_hdac_ext_bus_ppcap_enable()  argument
31 	if (!bus->ppcap) {  in snd_hdac_ext_bus_ppcap_enable()
32 		dev_err(bus->dev, "Address of PP capability is NULL");  in snd_hdac_ext_bus_ppcap_enable()
37 		snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,  in snd_hdac_ext_bus_ppcap_enable()
40 		snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,  in snd_hdac_ext_bus_ppcap_enable()
47  * @bus: the pointer to HDAC bus object
50 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *bus, bool enable)  in snd_hdac_ext_bus_ppcap_int_enable()  argument
53 	if (!bus->ppcap) {  in snd_hdac_ext_bus_ppcap_int_enable()
54 		dev_err(bus->dev, "Address of PP capability is NULL\n");  in snd_hdac_ext_bus_ppcap_int_enable()
59 		snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,  in snd_hdac_ext_bus_ppcap_int_enable()
62 		snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,  in snd_hdac_ext_bus_ppcap_int_enable()
74  * @bus: the pointer to HDAC bus object
77  * in hlink_list of extended hdac bus
78  * Note: this will be freed on bus exit by driver
80 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus)  in snd_hdac_ext_bus_get_ml_capabilities()  argument
87 	link_count = readl(bus->mlcap + AZX_REG_ML_MLCD) + 1;  in snd_hdac_ext_bus_get_ml_capabilities()
89 	dev_dbg(bus->dev, "In %s Link count: %d\n", __func__, link_count);  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()
111 		list_add_tail(&hlink->list, &bus->hlink_list);  in snd_hdac_ext_bus_get_ml_capabilities()
121  * @bus: the pointer to HDAC bus object
124 void snd_hdac_ext_link_free_all(struct hdac_bus *bus)  in snd_hdac_ext_link_free_all()  argument
128 	while (!list_empty(&bus->hlink_list)) {  in snd_hdac_ext_link_free_all()
129 		hlink = list_first_entry(&bus->hlink_list, struct hdac_ext_link, list);  in snd_hdac_ext_link_free_all()
136 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_id(struct hdac_bus *bus, u32 id)  in snd_hdac_ext_bus_get_hlink_by_id()  argument
140 	list_for_each_entry(hlink, &bus->hlink_list, list)  in snd_hdac_ext_bus_get_hlink_by_id()
149  * @bus: hlink's parent bus device
154 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus *bus, int addr)  in snd_hdac_ext_bus_get_hlink_by_addr()  argument
158 	list_for_each_entry(hlink, &bus->hlink_list, list)  in snd_hdac_ext_bus_get_hlink_by_addr()
167  * @bus: the pointer to HDAC bus object
170 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus *bus,  in snd_hdac_ext_bus_get_hlink_by_name()  argument
177 	if (bus->idx != bus_idx)  in snd_hdac_ext_bus_get_hlink_by_name()
182 	return snd_hdac_ext_bus_get_hlink_by_addr(bus, addr);  in snd_hdac_ext_bus_get_hlink_by_name()
237  * @bus: the pointer to HDAC bus object
239 int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus)  in snd_hdac_ext_bus_link_power_up_all()  argument
244 	list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_power_up_all()
256  * @bus: the pointer to HDAC bus object
258 int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus)  in snd_hdac_ext_bus_link_power_down_all()  argument
263 	list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_power_down_all()
297 int snd_hdac_ext_bus_link_get(struct hdac_bus *bus,  in snd_hdac_ext_bus_link_get()  argument
303 	mutex_lock(&bus->lock);  in snd_hdac_ext_bus_link_get()
310 		if (!bus->cmd_dma_state) {  in snd_hdac_ext_bus_link_get()
311 			snd_hdac_bus_init_cmd_io(bus);  in snd_hdac_ext_bus_link_get()
312 			bus->cmd_dma_state = true;  in snd_hdac_ext_bus_link_get()
327 		codec_mask = snd_hdac_chip_readw(bus, STATESTS);  in snd_hdac_ext_bus_link_get()
328 		dev_dbg(bus->dev, "codec_mask = 0x%lx\n", codec_mask);  in snd_hdac_ext_bus_link_get()
329 		snd_hdac_chip_writew(bus, STATESTS, codec_mask);  in snd_hdac_ext_bus_link_get()
330 		if (!bus->codec_mask)  in snd_hdac_ext_bus_link_get()
331 			bus->codec_mask = codec_mask;  in snd_hdac_ext_bus_link_get()
334 	mutex_unlock(&bus->lock);  in snd_hdac_ext_bus_link_get()
339 int snd_hdac_ext_bus_link_put(struct hdac_bus *bus,  in snd_hdac_ext_bus_link_put()  argument
346 	mutex_lock(&bus->lock);  in snd_hdac_ext_bus_link_put()
359 		list_for_each_entry(hlink_tmp, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_put()
367 			snd_hdac_bus_stop_cmd_io(bus);  in snd_hdac_ext_bus_link_put()
368 			bus->cmd_dma_state = false;  in snd_hdac_ext_bus_link_put()
372 	mutex_unlock(&bus->lock);  in snd_hdac_ext_bus_link_put()
381 		snd_hdac_ext_bus_get_hlink_by_name(codec->bus, devname);  in hdac_ext_codec_link_up()
384 		snd_hdac_ext_bus_link_get(codec->bus, hlink);  in hdac_ext_codec_link_up()
391 		snd_hdac_ext_bus_get_hlink_by_name(codec->bus, devname);  in hdac_ext_codec_link_down()
394 		snd_hdac_ext_bus_link_put(codec->bus, hlink);  in hdac_ext_codec_link_down()
399 	struct hdac_bus *bus = codec->bus;  in snd_hdac_ext_bus_link_power()  local
400 	bool oldstate = test_bit(codec->addr, &bus->codec_powered);  in snd_hdac_ext_bus_link_power()