24  * @bus: the pointer to HDAC bus object
27 void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *bus, bool enable)  in snd_hdac_ext_bus_ppcap_enable()  argument
30 	if (!bus->ppcap) {  in snd_hdac_ext_bus_ppcap_enable()
31 		dev_err(bus->dev, "Address of PP capability is NULL");  in snd_hdac_ext_bus_ppcap_enable()
36 		snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,  in snd_hdac_ext_bus_ppcap_enable()
39 		snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,  in snd_hdac_ext_bus_ppcap_enable()
46  * @bus: the pointer to HDAC bus object
49 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *bus, bool enable)  in snd_hdac_ext_bus_ppcap_int_enable()  argument
52 	if (!bus->ppcap) {  in snd_hdac_ext_bus_ppcap_int_enable()
53 		dev_err(bus->dev, "Address of PP capability is NULL\n");  in snd_hdac_ext_bus_ppcap_int_enable()
58 		snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,  in snd_hdac_ext_bus_ppcap_int_enable()
61 		snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,  in snd_hdac_ext_bus_ppcap_int_enable()
73  * @bus: the pointer to HDAC bus object
76  * in hlink_list of extended hdac bus
77  * Note: this will be freed on bus exit by driver
79 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus)  in snd_hdac_ext_bus_get_ml_capabilities()  argument
85 	link_count = readl(bus->mlcap + AZX_REG_ML_MLCD) + 1;  in snd_hdac_ext_bus_get_ml_capabilities()
87 	dev_dbg(bus->dev, "In %s Link count: %d\n", __func__, link_count);  in snd_hdac_ext_bus_get_ml_capabilities()
94 		hlink->bus = bus;  in snd_hdac_ext_bus_get_ml_capabilities()
95 		hlink->ml_addr = bus->mlcap + AZX_ML_BASE +  in snd_hdac_ext_bus_get_ml_capabilities()
103 		list_add_tail(&hlink->list, &bus->hlink_list);  in snd_hdac_ext_bus_get_ml_capabilities()
113  * @bus: the pointer to HDAC bus object
116 void snd_hdac_link_free_all(struct hdac_bus *bus)  in snd_hdac_link_free_all()  argument
120 	while (!list_empty(&bus->hlink_list)) {  in snd_hdac_link_free_all()
121 		l = list_first_entry(&bus->hlink_list, struct hdac_ext_link, list);  in snd_hdac_link_free_all()
130  * @bus: link's parent bus device
135 struct hdac_ext_link *snd_hdac_ext_bus_link_at(struct hdac_bus *bus, int addr)  in snd_hdac_ext_bus_link_at()  argument
140 	list_for_each_entry(hlink, &bus->hlink_list, list)  in snd_hdac_ext_bus_link_at()
150  * @bus: the pointer to HDAC bus object
153 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus,  in snd_hdac_ext_bus_get_link()  argument
160 	if (bus->idx != bus_idx)  in snd_hdac_ext_bus_get_link()
165 	return snd_hdac_ext_bus_link_at(bus, addr);  in snd_hdac_ext_bus_get_link()
220  * @bus: the pointer to HDAC bus object
222 int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus)  in snd_hdac_ext_bus_link_power_up_all()  argument
227 	list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_power_up_all()
241  * @bus: the pointer to HDAC bus object
243 int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus)  in snd_hdac_ext_bus_link_power_down_all()  argument
248 	list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_power_down_all()
260 int snd_hdac_ext_bus_link_get(struct hdac_bus *bus,  in snd_hdac_ext_bus_link_get()  argument
266 	mutex_lock(&bus->lock);  in snd_hdac_ext_bus_link_get()
273 		if (!bus->cmd_dma_state) {  in snd_hdac_ext_bus_link_get()
274 			snd_hdac_bus_init_cmd_io(bus);  in snd_hdac_ext_bus_link_get()
275 			bus->cmd_dma_state = true;  in snd_hdac_ext_bus_link_get()
290 		codec_mask = snd_hdac_chip_readw(bus, STATESTS);  in snd_hdac_ext_bus_link_get()
291 		dev_dbg(bus->dev, "codec_mask = 0x%lx\n", codec_mask);  in snd_hdac_ext_bus_link_get()
292 		snd_hdac_chip_writew(bus, STATESTS, codec_mask);  in snd_hdac_ext_bus_link_get()
293 		if (!bus->codec_mask)  in snd_hdac_ext_bus_link_get()
294 			bus->codec_mask = codec_mask;  in snd_hdac_ext_bus_link_get()
297 	mutex_unlock(&bus->lock);  in snd_hdac_ext_bus_link_get()
302 int snd_hdac_ext_bus_link_put(struct hdac_bus *bus,  in snd_hdac_ext_bus_link_put()  argument
309 	mutex_lock(&bus->lock);  in snd_hdac_ext_bus_link_put()
322 		list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_put()
330 			snd_hdac_bus_stop_cmd_io(bus);  in snd_hdac_ext_bus_link_put()
331 			bus->cmd_dma_state = false;  in snd_hdac_ext_bus_link_put()
335 	mutex_unlock(&bus->lock);  in snd_hdac_ext_bus_link_put()
344 		snd_hdac_ext_bus_get_link(codec->bus, devname);  in hdac_ext_codec_link_up()
347 		snd_hdac_ext_bus_link_get(codec->bus, hlink);  in hdac_ext_codec_link_up()
354 		snd_hdac_ext_bus_get_link(codec->bus, devname);  in hdac_ext_codec_link_down()
357 		snd_hdac_ext_bus_link_put(codec->bus, hlink);  in hdac_ext_codec_link_down()
362 	struct hdac_bus *bus = codec->bus;  in snd_hdac_ext_bus_link_power()  local
363 	bool oldstate = test_bit(codec->addr, &bus->codec_powered);  in snd_hdac_ext_bus_link_power()