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Diffstat (limited to 'sound/soc/sof/intel/hda-codec.c')
-rw-r--r--sound/soc/sof/intel/hda-codec.c128
1 files changed, 85 insertions, 43 deletions
diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c
index b8b37f082309..9106ab8dac6f 100644
--- a/sound/soc/sof/intel/hda-codec.c
+++ b/sound/soc/sof/intel/hda-codec.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <sound/hdaudio_ext.h>
+#include <sound/hda_register.h>
#include <sound/hda_codec.h>
#include <sound/hda_i915.h>
#include <sound/sof.h>
@@ -23,30 +24,69 @@
#define IDISP_VID_INTEL 0x80860000
/* load the legacy HDA codec driver */
-#ifdef MODULE
-static void hda_codec_load_module(struct hda_codec *codec)
+static int hda_codec_load_module(struct hda_codec *codec)
{
+#ifdef MODULE
char alias[MODULE_NAME_LEN];
const char *module = alias;
snd_hdac_codec_modalias(&codec->core, alias, sizeof(alias));
dev_dbg(&codec->core.dev, "loading codec module: %s\n", module);
request_module(module);
-}
-#else
-static void hda_codec_load_module(struct hda_codec *codec) {}
#endif
+ return device_attach(hda_codec_dev(codec));
+}
+
+/* enable controller wake up event for all codecs with jack connectors */
+void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev)
+{
+ struct hda_bus *hbus = sof_to_hbus(sdev);
+ struct hdac_bus *bus = sof_to_bus(sdev);
+ struct hda_codec *codec;
+ unsigned int mask = 0;
+
+ list_for_each_codec(codec, hbus)
+ if (codec->jacktbl.used)
+ mask |= BIT(codec->core.addr);
+
+ snd_hdac_chip_updatew(bus, WAKEEN, STATESTS_INT_MASK, mask);
+}
+/* check jack status after resuming from suspend mode */
+void hda_codec_jack_check(struct snd_sof_dev *sdev)
+{
+ struct hda_bus *hbus = sof_to_hbus(sdev);
+ struct hdac_bus *bus = sof_to_bus(sdev);
+ struct hda_codec *codec;
+
+ /* disable controller Wake Up event*/
+ snd_hdac_chip_updatew(bus, WAKEEN, STATESTS_INT_MASK, 0);
+
+ list_for_each_codec(codec, hbus)
+ /*
+ * Wake up all jack-detecting codecs regardless whether an event
+ * has been recorded in STATESTS
+ */
+ if (codec->jacktbl.used)
+ schedule_delayed_work(&codec->jackpoll_work,
+ codec->jackpoll_interval);
+}
+#else
+void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) {}
+void hda_codec_jack_check(struct snd_sof_dev *sdev) {}
#endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */
+EXPORT_SYMBOL_NS(hda_codec_jack_wake_enable, SND_SOC_SOF_HDA_AUDIO_CODEC);
+EXPORT_SYMBOL_NS(hda_codec_jack_check, SND_SOC_SOF_HDA_AUDIO_CODEC);
/* probe individual codec */
-static int hda_codec_probe(struct snd_sof_dev *sdev, int address)
+static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
+ bool hda_codec_use_common_hdmi)
{
- struct hda_bus *hbus = sof_to_hbus(sdev);
- struct hdac_device *hdev;
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
struct hdac_hda_priv *hda_priv;
#endif
+ struct hda_bus *hbus = sof_to_hbus(sdev);
+ struct hdac_device *hdev;
u32 hda_cmd = (address << 28) | (AC_NODE_ROOT << 20) |
(AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
u32 resp = -1;
@@ -62,8 +102,7 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address)
address, resp);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
- /* snd_hdac_ext_bus_device_exit will use kfree to free hdev */
- hda_priv = kzalloc(sizeof(*hda_priv), GFP_KERNEL);
+ hda_priv = devm_kzalloc(sdev->dev, sizeof(*hda_priv), GFP_KERNEL);
if (!hda_priv)
return -ENOMEM;
@@ -74,16 +113,28 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address)
if (ret < 0)
return ret;
- /* use legacy bus only for HDA codecs, idisp uses ext bus */
- if ((resp & 0xFFFF0000) != IDISP_VID_INTEL) {
+ if ((resp & 0xFFFF0000) == IDISP_VID_INTEL)
+ hda_priv->need_display_power = true;
+
+ /*
+ * if common HDMI codec driver is not used, codec load
+ * is skipped here and hdac_hdmi is used instead
+ */
+ if (hda_codec_use_common_hdmi ||
+ (resp & 0xFFFF0000) != IDISP_VID_INTEL) {
hdev->type = HDA_DEV_LEGACY;
- hda_codec_load_module(&hda_priv->codec);
+ ret = hda_codec_load_module(&hda_priv->codec);
+ /*
+ * handle ret==0 (no driver bound) as an error, but pass
+ * other return codes without modification
+ */
+ if (ret == 0)
+ ret = -ENOENT;
}
- return 0;
+ return ret;
#else
- /* snd_hdac_ext_bus_device_exit will use kfree to free hdev */
- hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
+ hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
if (!hdev)
return -ENOMEM;
@@ -94,7 +145,8 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address)
}
/* Codec initialization */
-int hda_codec_probe_bus(struct snd_sof_dev *sdev)
+void hda_codec_probe_bus(struct snd_sof_dev *sdev,
+ bool hda_codec_use_common_hdmi)
{
struct hdac_bus *bus = sof_to_bus(sdev);
int i, ret;
@@ -105,37 +157,27 @@ int hda_codec_probe_bus(struct snd_sof_dev *sdev)
if (!(bus->codec_mask & (1 << i)))
continue;
- ret = hda_codec_probe(sdev, i);
+ ret = hda_codec_probe(sdev, i, hda_codec_use_common_hdmi);
if (ret < 0) {
- dev_err(bus->dev, "error: codec #%d probe error, ret: %d\n",
- i, ret);
- return ret;
+ dev_warn(bus->dev, "codec #%d probe error, ret: %d\n",
+ i, ret);
+ bus->codec_mask &= ~BIT(i);
}
}
-
- return 0;
}
-EXPORT_SYMBOL(hda_codec_probe_bus);
-
-#if IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)
-
-void hda_codec_i915_get(struct snd_sof_dev *sdev)
-{
- struct hdac_bus *bus = sof_to_bus(sdev);
+EXPORT_SYMBOL_NS(hda_codec_probe_bus, SND_SOC_SOF_HDA_AUDIO_CODEC);
- dev_dbg(bus->dev, "Turning i915 HDAC power on\n");
- snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, true);
-}
-EXPORT_SYMBOL(hda_codec_i915_get);
+#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) || \
+ IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)
-void hda_codec_i915_put(struct snd_sof_dev *sdev)
+void hda_codec_i915_display_power(struct snd_sof_dev *sdev, bool enable)
{
struct hdac_bus *bus = sof_to_bus(sdev);
- dev_dbg(bus->dev, "Turning i915 HDAC power off\n");
- snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false);
+ dev_dbg(bus->dev, "Turning i915 HDAC power %d\n", enable);
+ snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, enable);
}
-EXPORT_SYMBOL(hda_codec_i915_put);
+EXPORT_SYMBOL_NS(hda_codec_i915_display_power, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
int hda_codec_i915_init(struct snd_sof_dev *sdev)
{
@@ -147,25 +189,25 @@ int hda_codec_i915_init(struct snd_sof_dev *sdev)
if (ret < 0)
return ret;
- hda_codec_i915_get(sdev);
+ hda_codec_i915_display_power(sdev, true);
return 0;
}
-EXPORT_SYMBOL(hda_codec_i915_init);
+EXPORT_SYMBOL_NS(hda_codec_i915_init, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
int hda_codec_i915_exit(struct snd_sof_dev *sdev)
{
struct hdac_bus *bus = sof_to_bus(sdev);
int ret;
- hda_codec_i915_put(sdev);
+ hda_codec_i915_display_power(sdev, false);
ret = snd_hdac_i915_exit(bus);
return ret;
}
-EXPORT_SYMBOL(hda_codec_i915_exit);
+EXPORT_SYMBOL_NS(hda_codec_i915_exit, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
-#endif /* CONFIG_SND_SOC_HDAC_HDMI */
+#endif
MODULE_LICENSE("Dual BSD/GPL");
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