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Diffstat (limited to 'sound/hda/ext/hdac_ext_controller.c')
-rw-r--r--sound/hda/ext/hdac_ext_controller.c64
1 files changed, 35 insertions, 29 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c
index 84f3b8168716..5bc4a1d587d4 100644
--- a/sound/hda/ext/hdac_ext_controller.c
+++ b/sound/hda/ext/hdac_ext_controller.c
@@ -39,9 +39,8 @@
* @ebus: HD-audio extended core bus
* @enable: flag to turn on/off the capability
*/
-void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *ebus, bool enable)
+void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *bus, bool enable)
{
- struct hdac_bus *bus = &ebus->bus;
if (!bus->ppcap) {
dev_err(bus->dev, "Address of PP capability is NULL");
@@ -60,9 +59,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_ppcap_enable);
* @ebus: HD-audio extended core bus
* @enable: flag to enable/disable interrupt
*/
-void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *ebus, bool enable)
+void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *bus, bool enable)
{
- struct hdac_bus *bus = &ebus->bus;
if (!bus->ppcap) {
dev_err(bus->dev, "Address of PP capability is NULL\n");
@@ -89,12 +87,11 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_ppcap_int_enable);
* in hlink_list of extended hdac bus
* Note: this will be freed on bus exit by driver
*/
-int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *ebus)
+int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus)
{
int idx;
u32 link_count;
struct hdac_ext_link *hlink;
- struct hdac_bus *bus = &ebus->bus;
link_count = readl(bus->mlcap + AZX_REG_ML_MLCD) + 1;
@@ -114,7 +111,7 @@ int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *ebus)
/* since link in On, update the ref */
hlink->ref_count = 1;
- list_add_tail(&hlink->list, &ebus->hlink_list);
+ list_add_tail(&hlink->list, &bus->hlink_list);
}
return 0;
@@ -127,12 +124,12 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_get_ml_capabilities);
* @ebus: HD-audio ext core bus
*/
-void snd_hdac_link_free_all(struct hdac_ext_bus *ebus)
+void snd_hdac_link_free_all(struct hdac_bus *bus)
{
struct hdac_ext_link *l;
- while (!list_empty(&ebus->hlink_list)) {
- l = list_first_entry(&ebus->hlink_list, struct hdac_ext_link, list);
+ while (!list_empty(&bus->hlink_list)) {
+ l = list_first_entry(&bus->hlink_list, struct hdac_ext_link, list);
list_del(&l->list);
kfree(l);
}
@@ -144,7 +141,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_link_free_all);
* @ebus: HD-audio extended core bus
* @codec_name: codec name
*/
-struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *ebus,
+struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus,
const char *codec_name)
{
int i;
@@ -153,10 +150,10 @@ struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *ebus,
if (sscanf(codec_name, "ehdaudio%dD%d", &bus_idx, &addr) != 2)
return NULL;
- if (ebus->idx != bus_idx)
+ if (bus->idx != bus_idx)
return NULL;
- list_for_each_entry(hlink, &ebus->hlink_list, list) {
+ list_for_each_entry(hlink, &bus->hlink_list, list) {
for (i = 0; i < HDA_MAX_CODECS; i++) {
if (hlink->lsdiid & (0x1 << addr))
return hlink;
@@ -219,12 +216,12 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_down);
* snd_hdac_ext_bus_link_power_up_all -power up all hda link
* @ebus: HD-audio extended bus
*/
-int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus)
+int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus)
{
struct hdac_ext_link *hlink = NULL;
int ret;
- list_for_each_entry(hlink, &ebus->hlink_list, list) {
+ list_for_each_entry(hlink, &bus->hlink_list, list) {
snd_hdac_updatel(hlink->ml_addr,
AZX_REG_ML_LCTL, 0, AZX_MLCTL_SPA);
ret = check_hdac_link_power_active(hlink, true);
@@ -240,12 +237,12 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_up_all);
* snd_hdac_ext_bus_link_power_down_all -power down all hda link
* @ebus: HD-audio extended bus
*/
-int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus)
+int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus)
{
struct hdac_ext_link *hlink = NULL;
int ret;
- list_for_each_entry(hlink, &ebus->hlink_list, list) {
+ list_for_each_entry(hlink, &bus->hlink_list, list) {
snd_hdac_updatel(hlink->ml_addr, AZX_REG_ML_LCTL, AZX_MLCTL_SPA, 0);
ret = check_hdac_link_power_active(hlink, false);
if (ret < 0)
@@ -256,39 +253,48 @@ int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus)
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_down_all);
-int snd_hdac_ext_bus_link_get(struct hdac_ext_bus *ebus,
+int snd_hdac_ext_bus_link_get(struct hdac_bus *bus,
struct hdac_ext_link *link)
{
int ret = 0;
- mutex_lock(&ebus->lock);
+ mutex_lock(&bus->lock);
/*
* if we move from 0 to 1, count will be 1 so power up this link
* as well, also check the dma status and trigger that
*/
if (++link->ref_count == 1) {
- if (!ebus->cmd_dma_state) {
- snd_hdac_bus_init_cmd_io(&ebus->bus);
- ebus->cmd_dma_state = true;
+ if (!bus->cmd_dma_state) {
+ snd_hdac_bus_init_cmd_io(bus);
+ bus->cmd_dma_state = true;
}
ret = snd_hdac_ext_bus_link_power_up(link);
+
+ /*
+ * wait for 521usec for codec to report status
+ * HDA spec section 4.3 - Codec Discovery
+ */
+ udelay(521);
+ bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS);
+ dev_dbg(bus->dev, "codec_mask = 0x%lx\n", bus->codec_mask);
+ snd_hdac_chip_writew(bus, STATESTS, bus->codec_mask);
}
- mutex_unlock(&ebus->lock);
+ mutex_unlock(&bus->lock);
return ret;
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_get);
-int snd_hdac_ext_bus_link_put(struct hdac_ext_bus *ebus,
+int snd_hdac_ext_bus_link_put(struct hdac_bus *bus,
struct hdac_ext_link *link)
{
int ret = 0;
struct hdac_ext_link *hlink;
bool link_up = false;
- mutex_lock(&ebus->lock);
+ mutex_lock(&bus->lock);
/*
* if we move from 1 to 0, count will be 0
@@ -301,7 +307,7 @@ int snd_hdac_ext_bus_link_put(struct hdac_ext_bus *ebus,
* now check if all links are off, if so turn off
* cmd dma as well
*/
- list_for_each_entry(hlink, &ebus->hlink_list, list) {
+ list_for_each_entry(hlink, &bus->hlink_list, list) {
if (hlink->ref_count) {
link_up = true;
break;
@@ -309,12 +315,12 @@ int snd_hdac_ext_bus_link_put(struct hdac_ext_bus *ebus,
}
if (!link_up) {
- snd_hdac_bus_stop_cmd_io(&ebus->bus);
- ebus->cmd_dma_state = false;
+ snd_hdac_bus_stop_cmd_io(bus);
+ bus->cmd_dma_state = false;
}
}
- mutex_unlock(&ebus->lock);
+ mutex_unlock(&bus->lock);
return ret;
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_put);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.