diff options
Diffstat (limited to 'sound/soc/sof/intel/hda-codec.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-codec.c | 328 |
1 files changed, 258 insertions, 70 deletions
diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c index 2c5c451fa19d..9f84b0d287a5 100644 --- a/sound/soc/sof/intel/hda-codec.c +++ b/sound/soc/sof/intel/hda-codec.c @@ -1,7 +1,4 @@ -// 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. +// SPDX-License-Identifier: GPL-2.0-only // // Copyright(c) 2018 Intel Corporation. All rights reserved. // @@ -16,13 +13,18 @@ #include <sound/sof.h> #include "../ops.h" #include "hda.h" + #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) #include "../../codecs/hdac_hda.h" -#endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */ -#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) +#define CODEC_PROBE_RETRIES 3 + #define IDISP_VID_INTEL 0x80860000 +static int hda_codec_mask = -1; +module_param_named(codec_mask, hda_codec_mask, int, 0444); +MODULE_PARM_DESC(codec_mask, "SOF HDA codec mask for probing"); + /* load the legacy HDA codec driver */ static int request_codec_module(struct hda_codec *codec) { @@ -52,8 +54,16 @@ static int request_codec_module(struct hda_codec *codec) static int hda_codec_load_module(struct hda_codec *codec) { - int ret = request_codec_module(codec); + int ret; + ret = snd_hdac_device_register(&codec->core); + if (ret) { + dev_err(&codec->core.dev, "failed to register hdac device\n"); + put_device(&codec->core.dev); + return ret; + } + + ret = request_codec_module(codec); if (ret <= 0) { codec->probe_id = HDA_CODEC_ID_GENERIC; ret = request_codec_module(codec); @@ -63,29 +73,36 @@ static int hda_codec_load_module(struct hda_codec *codec) } /* 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 (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + 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); } +EXPORT_SYMBOL_NS_GPL(hda_codec_jack_wake_enable, SND_SOC_SOF_HDA_AUDIO_CODEC); /* 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); + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; list_for_each_codec(codec, hbus) /* @@ -93,15 +110,9 @@ void hda_codec_jack_check(struct snd_sof_dev *sdev) * 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_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); +EXPORT_SYMBOL_NS_GPL(hda_codec_jack_check, SND_SOC_SOF_HDA_AUDIO_CODEC); #if IS_ENABLED(CONFIG_SND_HDA_GENERIC) #define is_generic_config(bus) \ @@ -110,48 +121,63 @@ EXPORT_SYMBOL_NS(hda_codec_jack_check, SND_SOC_SOF_HDA_AUDIO_CODEC); #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; + + 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; + + return codec; +} + /* probe individual codec */ -static int hda_codec_probe(struct snd_sof_dev *sdev, int address, - bool hda_codec_use_common_hdmi) +static int hda_codec_probe(struct snd_sof_dev *sdev, int address) { -#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; 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", address, resp); -#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) hda_priv = devm_kzalloc(sdev->dev, sizeof(*hda_priv), GFP_KERNEL); if (!hda_priv) return -ENOMEM; - hda_priv->codec.bus = hbus; - hdev = &hda_priv->codec.core; - codec = &hda_priv->codec; - - ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev); + codec = hda_codec_device_init(&hbus->core, address, HDA_DEV_LEGACY); + ret = PTR_ERR_OR_ZERO(codec); if (ret < 0) return ret; + hda_priv->codec = codec; + hda_priv->dev_index = address; + dev_set_drvdata(&codec->core.dev, hda_priv); + if ((resp & 0xFFFF0000) == IDISP_VID_INTEL) { - if (!hdev->bus->audio_component) { + if (!hbus->core.audio_component) { dev_dbg(sdev->dev, "iDisp hw present but no driver\n"); - return -ENOENT; + ret = -ENOENT; + goto out; } hda_priv->need_display_power = true; } @@ -161,48 +187,40 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address, else codec->probe_id = 0; + ret = hda_codec_load_module(codec); /* - * if common HDMI codec driver is not used, codec load - * is skipped here and hdac_hdmi is used instead + * handle ret==0 (no driver bound) as an error, but pass + * other return codes without modification */ - if (hda_codec_use_common_hdmi || - (resp & 0xFFFF0000) != IDISP_VID_INTEL) { - hdev->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 - */ - if (ret == 0) - ret = -ENOENT; - } + if (ret == 0) + ret = -ENOENT; - return ret; -#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); +out: + if (ret < 0) { + snd_hdac_device_unregister(&codec->core); + put_device(&codec->core.dev); + } return ret; -#endif } /* Codec initialization */ -void hda_codec_probe_bus(struct snd_sof_dev *sdev, - bool hda_codec_use_common_hdmi) +void hda_codec_probe_bus(struct snd_sof_dev *sdev) { struct hdac_bus *bus = sof_to_bus(sdev); int i, ret; + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + /* probe codecs in avail slots */ for (i = 0; i < HDA_MAX_CODECS; i++) { if (!(bus->codec_mask & (1 << i))) continue; - ret = hda_codec_probe(sdev, i, hda_codec_use_common_hdmi); + ret = hda_codec_probe(sdev, i); if (ret < 0) { dev_warn(bus->dev, "codec #%d probe error, ret: %d\n", i, ret); @@ -210,27 +228,193 @@ void hda_codec_probe_bus(struct snd_sof_dev *sdev, } } } -EXPORT_SYMBOL_NS(hda_codec_probe_bus, SND_SOC_SOF_HDA_AUDIO_CODEC); +EXPORT_SYMBOL_NS_GPL(hda_codec_probe_bus, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_check_for_state_change(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + unsigned int codec_mask; + + codec_mask = snd_hdac_chip_readw(bus, STATESTS); + if (codec_mask) { + hda_codec_jack_check(sdev); + snd_hdac_chip_writew(bus, STATESTS, codec_mask); + } +} +EXPORT_SYMBOL_NS_GPL(hda_codec_check_for_state_change, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_detect_mask(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); -#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) || \ - IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI) + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + /* Accept unsolicited responses */ + snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, AZX_GCTL_UNSOL); + + /* detect codecs */ + if (!bus->codec_mask) { + bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS); + dev_dbg(bus->dev, "codec_mask = 0x%lx\n", bus->codec_mask); + } + + if (hda_codec_mask != -1) { + bus->codec_mask &= hda_codec_mask; + dev_dbg(bus->dev, "filtered codec_mask = 0x%lx\n", + bus->codec_mask); + } +} +EXPORT_SYMBOL_NS_GPL(hda_codec_detect_mask, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_init_cmd_io(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + /* initialize the codec command I/O */ + snd_hdac_bus_init_cmd_io(bus); +} +EXPORT_SYMBOL_NS_GPL(hda_codec_init_cmd_io, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_resume_cmd_io(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + /* set up CORB/RIRB buffers if was on before suspend */ + if (bus->cmd_dma_state) + snd_hdac_bus_init_cmd_io(bus); +} +EXPORT_SYMBOL_NS_GPL(hda_codec_resume_cmd_io, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_stop_cmd_io(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + /* initialize the codec command I/O */ + snd_hdac_bus_stop_cmd_io(bus); +} +EXPORT_SYMBOL_NS_GPL(hda_codec_stop_cmd_io, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_suspend_cmd_io(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + /* stop the CORB/RIRB DMA if it is On */ + if (bus->cmd_dma_state) + snd_hdac_bus_stop_cmd_io(bus); + +} +EXPORT_SYMBOL_NS_GPL(hda_codec_suspend_cmd_io, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_rirb_status_clear(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + /* clear rirb status */ + snd_hdac_chip_writeb(bus, RIRBSTS, RIRB_INT_MASK); +} +EXPORT_SYMBOL_NS_GPL(hda_codec_rirb_status_clear, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_set_codec_wakeup(struct snd_sof_dev *sdev, bool status) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + if (sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + snd_hdac_set_codec_wakeup(bus, status); +} +EXPORT_SYMBOL_NS_GPL(hda_codec_set_codec_wakeup, SND_SOC_SOF_HDA_AUDIO_CODEC); + +bool hda_codec_check_rirb_status(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + bool active = false; + u32 rirb_status; + + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return false; + + rirb_status = snd_hdac_chip_readb(bus, RIRBSTS); + if (rirb_status & RIRB_INT_MASK) { + /* + * Clearing the interrupt status here ensures + * that no interrupt gets masked after the RIRB + * wp is read in snd_hdac_bus_update_rirb. + */ + snd_hdac_chip_writeb(bus, RIRBSTS, + RIRB_INT_MASK); + active = true; + if (rirb_status & RIRB_INT_RESPONSE) + snd_hdac_bus_update_rirb(bus); + } + return active; +} +EXPORT_SYMBOL_NS_GPL(hda_codec_check_rirb_status, SND_SOC_SOF_HDA_AUDIO_CODEC); + +void hda_codec_device_remove(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + + /* codec removal, invoke bus_device_remove */ + snd_hdac_ext_bus_device_remove(bus); +} +EXPORT_SYMBOL_NS_GPL(hda_codec_device_remove, SND_SOC_SOF_HDA_AUDIO_CODEC); + +#endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */ + +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) && IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) void hda_codec_i915_display_power(struct snd_sof_dev *sdev, bool enable) { struct hdac_bus *bus = sof_to_bus(sdev); + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return; + if (HDA_IDISP_CODEC(bus->codec_mask)) { dev_dbg(bus->dev, "Turning i915 HDAC power %d\n", enable); snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, enable); } } -EXPORT_SYMBOL_NS(hda_codec_i915_display_power, SND_SOC_SOF_HDA_AUDIO_CODEC_I915); +EXPORT_SYMBOL_NS_GPL(hda_codec_i915_display_power, SND_SOC_SOF_HDA_AUDIO_CODEC_I915); int hda_codec_i915_init(struct snd_sof_dev *sdev) { struct hdac_bus *bus = sof_to_bus(sdev); int ret; + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return 0; + /* i915 exposes a HDA codec for HDMI audio */ ret = snd_hdac_i915_init(bus); if (ret < 0) @@ -241,12 +425,16 @@ int hda_codec_i915_init(struct snd_sof_dev *sdev) return 0; } -EXPORT_SYMBOL_NS(hda_codec_i915_init, SND_SOC_SOF_HDA_AUDIO_CODEC_I915); +EXPORT_SYMBOL_NS_GPL(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); + if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && + sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) + return 0; + if (!bus->audio_component) return 0; @@ -255,7 +443,7 @@ int hda_codec_i915_exit(struct snd_sof_dev *sdev) return snd_hdac_i915_exit(bus); } -EXPORT_SYMBOL_NS(hda_codec_i915_exit, SND_SOC_SOF_HDA_AUDIO_CODEC_I915); +EXPORT_SYMBOL_NS_GPL(hda_codec_i915_exit, SND_SOC_SOF_HDA_AUDIO_CODEC_I915); #endif |