diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/sof/intel/hda-codec.c | 162 |
1 files changed, 116 insertions, 46 deletions
diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c index ff45075ef720..f2ec2a6c2e0f 100644 --- a/sound/soc/sof/intel/hda-codec.c +++ b/sound/soc/sof/intel/hda-codec.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) // // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. @@ -20,34 +20,63 @@ #include "../../codecs/hdac_hda.h" #endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */ +#define CODEC_PROBE_RETRIES 3 + #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) #define IDISP_VID_INTEL 0x80860000 /* load the legacy HDA codec driver */ -static int hda_codec_load_module(struct hda_codec *codec) +static int request_codec_module(struct hda_codec *codec) { #ifdef MODULE char alias[MODULE_NAME_LEN]; - const char *module = alias; + const char *mod = NULL; - snd_hdac_codec_modalias(&codec->core, alias, sizeof(alias)); - dev_dbg(&codec->core.dev, "loading codec module: %s\n", module); - request_module(module); + switch (codec->probe_id) { + case HDA_CODEC_ID_GENERIC: +#if IS_MODULE(CONFIG_SND_HDA_GENERIC) + mod = "snd-hda-codec-generic"; #endif + break; + default: + snd_hdac_codec_modalias(&codec->core, alias, sizeof(alias)); + mod = alias; + break; + } + + if (mod) { + dev_dbg(&codec->core.dev, "loading codec module: %s\n", mod); + request_module(mod); + } +#endif /* MODULE */ return device_attach(hda_codec_dev(codec)); } +static int hda_codec_load_module(struct hda_codec *codec) +{ + int ret = request_codec_module(codec); + + if (ret <= 0) { + codec->probe_id = HDA_CODEC_ID_GENERIC; + ret = request_codec_module(codec); + } + + return ret; +} + /* enable controller wake up event for all codecs with jack connectors */ -void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) +void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev, bool enable) { 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); + if (enable) { + 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); } @@ -56,46 +85,75 @@ void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) 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); + pm_request_resume(&codec->core.dev); } #else -void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) {} +void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev, bool enable) {} 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); +#if IS_ENABLED(CONFIG_SND_HDA_GENERIC) +#define is_generic_config(bus) \ + ((bus)->modelname && !strcmp((bus)->modelname, "generic")) +#else +#define is_generic_config(x) 0 +#endif + +static struct hda_codec *hda_codec_device_init(struct hdac_bus *bus, int addr, int type) +{ + struct hda_codec *codec; + int ret; + + codec = snd_hda_codec_device_init(to_hda_bus(bus), addr, "ehdaudio%dD%d", bus->idx, addr); + if (IS_ERR(codec)) { + dev_err(bus->dev, "device init failed for hdac device\n"); + return codec; + } + + codec->core.type = type; + + ret = snd_hdac_device_register(&codec->core); + if (ret) { + dev_err(bus->dev, "failed to register hdac device\n"); + put_device(&codec->core.dev); + return ERR_PTR(ret); + } + + return codec; +} + /* probe individual codec */ static int hda_codec_probe(struct snd_sof_dev *sdev, int address, bool hda_codec_use_common_hdmi) { #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) struct hdac_hda_priv *hda_priv; + int type = HDA_DEV_LEGACY; #endif struct hda_bus *hbus = sof_to_hbus(sdev); - struct hdac_device *hdev; + struct hda_codec *codec; u32 hda_cmd = (address << 28) | (AC_NODE_ROOT << 20) | (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID; u32 resp = -1; - int ret; + int ret, retry = 0; + + do { + mutex_lock(&hbus->core.cmd_mutex); + snd_hdac_bus_send_cmd(&hbus->core, hda_cmd); + snd_hdac_bus_get_response(&hbus->core, address, &resp); + mutex_unlock(&hbus->core.cmd_mutex); + } while (resp == -1 && retry++ < CODEC_PROBE_RETRIES); - mutex_lock(&hbus->core.cmd_mutex); - snd_hdac_bus_send_cmd(&hbus->core, hda_cmd); - snd_hdac_bus_get_response(&hbus->core, address, &resp); - mutex_unlock(&hbus->core.cmd_mutex); if (resp == -1) return -EIO; dev_dbg(sdev->dev, "HDA codec #%d probed OK: response: %x\n", @@ -106,24 +164,35 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address, if (!hda_priv) return -ENOMEM; - hda_priv->codec.bus = hbus; - hdev = &hda_priv->codec.core; + /* only probe ASoC codec drivers for HDAC-HDMI */ + if (!hda_codec_use_common_hdmi && (resp & 0xFFFF0000) == IDISP_VID_INTEL) + type = HDA_DEV_ASOC; - ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev); + codec = hda_codec_device_init(&hbus->core, address, type); + ret = PTR_ERR_OR_ZERO(codec); if (ret < 0) return ret; - if ((resp & 0xFFFF0000) == IDISP_VID_INTEL) + hda_priv->codec = codec; + dev_set_drvdata(&codec->core.dev, hda_priv); + + if ((resp & 0xFFFF0000) == IDISP_VID_INTEL) { + if (!hbus->core.audio_component) { + dev_dbg(sdev->dev, + "iDisp hw present but no driver\n"); + ret = -ENOENT; + goto out; + } hda_priv->need_display_power = true; + } + + if (is_generic_config(hbus)) + codec->probe_id = HDA_CODEC_ID_GENERIC; + else + codec->probe_id = 0; - /* - * 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; - ret = hda_codec_load_module(&hda_priv->codec); + if (type == HDA_DEV_LEGACY) { + ret = hda_codec_load_module(codec); /* * handle ret==0 (no driver bound) as an error, but pass * other return codes without modification @@ -132,16 +201,17 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address, ret = -ENOENT; } - return ret; +out: + if (ret < 0) { + snd_hdac_device_unregister(&codec->core); + put_device(&codec->core.dev); + } #else - hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); - if (!hdev) - return -ENOMEM; - - ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev); + codec = hda_codec_device_init(&hbus->core, address, HDA_DEV_ASOC); + ret = PTR_ERR_OR_ZERO(codec); +#endif return ret; -#endif } /* Codec initialization */ @@ -201,14 +271,14 @@ 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; + + if (!bus->audio_component) + return 0; /* power down unconditionally */ snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false); - ret = snd_hdac_i915_exit(bus); - - return ret; + return snd_hdac_i915_exit(bus); } EXPORT_SYMBOL_NS(hda_codec_i915_exit, SND_SOC_SOF_HDA_AUDIO_CODEC_I915); |