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_ext_link_free_all(struct hdac_bus *bus)  in snd_hdac_ext_link_free_all()  argument
120 	while (!list_empty(&bus->hlink_list)) {  in snd_hdac_ext_link_free_all()
121 		hlink = list_first_entry(&bus->hlink_list, struct hdac_ext_link, list);  in snd_hdac_ext_link_free_all()
130  * @bus: hlink's parent bus device
135 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
139 	list_for_each_entry(hlink, &bus->hlink_list, list)  in snd_hdac_ext_bus_get_hlink_by_addr()
148  * @bus: the pointer to HDAC bus object
151 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
158 	if (bus->idx != bus_idx)  in snd_hdac_ext_bus_get_hlink_by_name()
163 	return snd_hdac_ext_bus_get_hlink_by_addr(bus, addr);  in snd_hdac_ext_bus_get_hlink_by_name()
218  * @bus: the pointer to HDAC bus object
220 int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus)  in snd_hdac_ext_bus_link_power_up_all()  argument
225 	list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_power_up_all()
237  * @bus: the pointer to HDAC bus object
239 int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus)  in snd_hdac_ext_bus_link_power_down_all()  argument
244 	list_for_each_entry(hlink, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_power_down_all()
278 int snd_hdac_ext_bus_link_get(struct hdac_bus *bus,  in snd_hdac_ext_bus_link_get()  argument
284 	mutex_lock(&bus->lock);  in snd_hdac_ext_bus_link_get()
291 		if (!bus->cmd_dma_state) {  in snd_hdac_ext_bus_link_get()
292 			snd_hdac_bus_init_cmd_io(bus);  in snd_hdac_ext_bus_link_get()
293 			bus->cmd_dma_state = true;  in snd_hdac_ext_bus_link_get()
308 		codec_mask = snd_hdac_chip_readw(bus, STATESTS);  in snd_hdac_ext_bus_link_get()
309 		dev_dbg(bus->dev, "codec_mask = 0x%lx\n", codec_mask);  in snd_hdac_ext_bus_link_get()
310 		snd_hdac_chip_writew(bus, STATESTS, codec_mask);  in snd_hdac_ext_bus_link_get()
311 		if (!bus->codec_mask)  in snd_hdac_ext_bus_link_get()
312 			bus->codec_mask = codec_mask;  in snd_hdac_ext_bus_link_get()
315 	mutex_unlock(&bus->lock);  in snd_hdac_ext_bus_link_get()
320 int snd_hdac_ext_bus_link_put(struct hdac_bus *bus,  in snd_hdac_ext_bus_link_put()  argument
327 	mutex_lock(&bus->lock);  in snd_hdac_ext_bus_link_put()
340 		list_for_each_entry(hlink_tmp, &bus->hlink_list, list) {  in snd_hdac_ext_bus_link_put()
348 			snd_hdac_bus_stop_cmd_io(bus);  in snd_hdac_ext_bus_link_put()
349 			bus->cmd_dma_state = false;  in snd_hdac_ext_bus_link_put()
353 	mutex_unlock(&bus->lock);  in snd_hdac_ext_bus_link_put()
362 		snd_hdac_ext_bus_get_hlink_by_name(codec->bus, devname);  in hdac_ext_codec_link_up()
365 		snd_hdac_ext_bus_link_get(codec->bus, hlink);  in hdac_ext_codec_link_up()
372 		snd_hdac_ext_bus_get_hlink_by_name(codec->bus, devname);  in hdac_ext_codec_link_down()
375 		snd_hdac_ext_bus_link_put(codec->bus, hlink);  in hdac_ext_codec_link_down()
380 	struct hdac_bus *bus = codec->bus;  in snd_hdac_ext_bus_link_power()  local
381 	bool oldstate = test_bit(codec->addr, &bus->codec_powered);  in snd_hdac_ext_bus_link_power()