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1433 lines
37 KiB
1433 lines
37 KiB
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) |
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// |
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// This file is provided under a dual BSD/GPLv2 license. When using or |
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// redistributing this file, you may do so under either license. |
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// |
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// Copyright(c) 2018 Intel Corporation. All rights reserved. |
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// |
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// Authors: Liam Girdwood <[email protected]> |
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// Ranjani Sridharan <[email protected]> |
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// Rander Wang <[email protected]> |
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// Keyon Jie <[email protected]> |
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// |
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|
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/* |
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* Hardware interface for generic Intel audio DSP HDA IP |
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*/ |
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#include <sound/hdaudio_ext.h> |
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#include <sound/hda_register.h> |
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#include <linux/acpi.h> |
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#include <linux/module.h> |
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#include <linux/soundwire/sdw.h> |
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#include <linux/soundwire/sdw_intel.h> |
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#include <sound/intel-dsp-config.h> |
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#include <sound/intel-nhlt.h> |
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#include <sound/sof.h> |
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#include <sound/sof/xtensa.h> |
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#include "../sof-audio.h" |
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#include "../sof-pci-dev.h" |
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#include "../ops.h" |
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#include "hda.h" |
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
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#include <sound/soc-acpi-intel-match.h> |
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#endif |
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/* platform specific devices */ |
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#include "shim.h" |
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#define EXCEPT_MAX_HDR_SIZE 0x400 |
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#define HDA_EXT_ROM_STATUS_SIZE 8 |
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int hda_ctrl_dai_widget_setup(struct snd_soc_dapm_widget *w, unsigned int quirk_flags) |
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{ |
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struct snd_sof_widget *swidget = w->dobj.private; |
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struct snd_soc_component *component = swidget->scomp; |
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
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struct sof_ipc_dai_config *config; |
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struct snd_sof_dai *sof_dai; |
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struct sof_ipc_reply reply; |
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int ret; |
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sof_dai = swidget->private; |
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if (!sof_dai || !sof_dai->dai_config) { |
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dev_err(sdev->dev, "No config for DAI %s\n", w->name); |
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return -EINVAL; |
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} |
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/* DAI already configured, reset it before reconfiguring it */ |
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if (sof_dai->configured) { |
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ret = hda_ctrl_dai_widget_free(w, SOF_DAI_CONFIG_FLAGS_NONE); |
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if (ret < 0) |
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return ret; |
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} |
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config = &sof_dai->dai_config[sof_dai->current_config]; |
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|
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/* |
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* For static pipelines, the DAI widget would already be set up and calling |
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* sof_widget_setup() simply returns without doing anything. |
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* For dynamic pipelines, the DAI widget will be set up now. |
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*/ |
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ret = sof_widget_setup(sdev, swidget); |
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if (ret < 0) { |
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dev_err(sdev->dev, "error: failed setting up DAI widget %s\n", w->name); |
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return ret; |
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} |
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/* set HW_PARAMS flag along with quirks */ |
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config->flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS | |
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quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT; |
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/* send DAI_CONFIG IPC */ |
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ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size, |
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&reply, sizeof(reply)); |
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if (ret < 0) { |
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dev_err(sdev->dev, "error: failed setting DAI config for %s\n", w->name); |
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return ret; |
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} |
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sof_dai->configured = true; |
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return 0; |
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} |
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int hda_ctrl_dai_widget_free(struct snd_soc_dapm_widget *w, unsigned int quirk_flags) |
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{ |
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struct snd_sof_widget *swidget = w->dobj.private; |
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struct snd_soc_component *component = swidget->scomp; |
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
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struct sof_ipc_dai_config *config; |
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struct snd_sof_dai *sof_dai; |
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struct sof_ipc_reply reply; |
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int ret; |
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sof_dai = swidget->private; |
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if (!sof_dai || !sof_dai->dai_config) { |
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dev_err(sdev->dev, "error: No config to free DAI %s\n", w->name); |
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return -EINVAL; |
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} |
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/* nothing to do if hw_free() is called without restarting the stream after resume. */ |
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if (!sof_dai->configured) |
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return 0; |
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config = &sof_dai->dai_config[sof_dai->current_config]; |
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/* set HW_FREE flag along with any quirks */ |
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config->flags = SOF_DAI_CONFIG_FLAGS_HW_FREE | |
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quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT; |
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ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size, |
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&reply, sizeof(reply)); |
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if (ret < 0) |
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dev_err(sdev->dev, "error: failed resetting DAI config for %s\n", w->name); |
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/* |
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* Reset the configured_flag and free the widget even if the IPC fails to keep |
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* the widget use_count balanced |
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*/ |
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sof_dai->configured = false; |
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return sof_widget_free(sdev, swidget); |
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} |
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) |
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/* |
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* The default for SoundWire clock stop quirks is to power gate the IP |
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* and do a Bus Reset, this will need to be modified when the DSP |
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* needs to remain in D0i3 so that the Master does not lose context |
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* and enumeration is not required on clock restart |
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*/ |
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static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET; |
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module_param(sdw_clock_stop_quirks, int, 0444); |
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MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks"); |
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static int sdw_dai_config_ipc(struct snd_sof_dev *sdev, |
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struct snd_soc_dapm_widget *w, |
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int link_id, int alh_stream_id, int dai_id, bool setup) |
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{ |
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struct snd_sof_widget *swidget = w->dobj.private; |
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struct sof_ipc_dai_config *config; |
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struct snd_sof_dai *sof_dai; |
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if (!swidget) { |
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dev_err(sdev->dev, "error: No private data for widget %s\n", w->name); |
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return -EINVAL; |
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} |
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sof_dai = swidget->private; |
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if (!sof_dai || !sof_dai->dai_config) { |
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dev_err(sdev->dev, "error: No config for DAI %s\n", w->name); |
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return -EINVAL; |
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} |
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config = &sof_dai->dai_config[sof_dai->current_config]; |
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/* update config with link and stream ID */ |
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config->dai_index = (link_id << 8) | dai_id; |
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config->alh.stream_id = alh_stream_id; |
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if (setup) |
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return hda_ctrl_dai_widget_setup(w, SOF_DAI_CONFIG_FLAGS_NONE); |
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return hda_ctrl_dai_widget_free(w, SOF_DAI_CONFIG_FLAGS_NONE); |
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} |
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static int sdw_params_stream(struct device *dev, |
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struct sdw_intel_stream_params_data *params_data) |
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{ |
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struct snd_sof_dev *sdev = dev_get_drvdata(dev); |
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struct snd_soc_dai *d = params_data->dai; |
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struct snd_soc_dapm_widget *w; |
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w = snd_soc_dai_get_widget(d, params_data->stream); |
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return sdw_dai_config_ipc(sdev, w, params_data->link_id, params_data->alh_stream_id, |
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d->id, true); |
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} |
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static int sdw_free_stream(struct device *dev, |
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struct sdw_intel_stream_free_data *free_data) |
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{ |
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struct snd_sof_dev *sdev = dev_get_drvdata(dev); |
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struct snd_soc_dai *d = free_data->dai; |
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struct snd_soc_dapm_widget *w; |
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w = snd_soc_dai_get_widget(d, free_data->stream); |
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/* send invalid stream_id */ |
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return sdw_dai_config_ipc(sdev, w, free_data->link_id, 0xFFFF, d->id, false); |
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} |
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static const struct sdw_intel_ops sdw_callback = { |
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.params_stream = sdw_params_stream, |
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.free_stream = sdw_free_stream, |
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}; |
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void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable) |
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{ |
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sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable); |
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} |
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static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) |
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{ |
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struct sof_intel_hda_dev *hdev; |
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acpi_handle handle; |
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int ret; |
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handle = ACPI_HANDLE(sdev->dev); |
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/* save ACPI info for the probe step */ |
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hdev = sdev->pdata->hw_pdata; |
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ret = sdw_intel_acpi_scan(handle, &hdev->info); |
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if (ret < 0) |
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return -EINVAL; |
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return 0; |
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} |
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static int hda_sdw_probe(struct snd_sof_dev *sdev) |
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{ |
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struct sof_intel_hda_dev *hdev; |
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struct sdw_intel_res res; |
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void *sdw; |
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hdev = sdev->pdata->hw_pdata; |
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memset(&res, 0, sizeof(res)); |
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res.mmio_base = sdev->bar[HDA_DSP_BAR]; |
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res.shim_base = hdev->desc->sdw_shim_base; |
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res.alh_base = hdev->desc->sdw_alh_base; |
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res.irq = sdev->ipc_irq; |
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res.handle = hdev->info.handle; |
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res.parent = sdev->dev; |
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res.ops = &sdw_callback; |
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res.dev = sdev->dev; |
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res.clock_stop_quirks = sdw_clock_stop_quirks; |
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/* |
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* ops and arg fields are not populated for now, |
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* they will be needed when the DAI callbacks are |
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* provided |
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*/ |
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/* we could filter links here if needed, e.g for quirks */ |
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res.count = hdev->info.count; |
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res.link_mask = hdev->info.link_mask; |
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sdw = sdw_intel_probe(&res); |
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if (!sdw) { |
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dev_err(sdev->dev, "error: SoundWire probe failed\n"); |
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return -EINVAL; |
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} |
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/* save context */ |
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hdev->sdw = sdw; |
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return 0; |
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} |
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int hda_sdw_startup(struct snd_sof_dev *sdev) |
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{ |
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struct sof_intel_hda_dev *hdev; |
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struct snd_sof_pdata *pdata = sdev->pdata; |
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hdev = sdev->pdata->hw_pdata; |
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if (!hdev->sdw) |
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return 0; |
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if (pdata->machine && !pdata->machine->mach_params.link_mask) |
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return 0; |
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return sdw_intel_startup(hdev->sdw); |
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} |
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static int hda_sdw_exit(struct snd_sof_dev *sdev) |
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{ |
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struct sof_intel_hda_dev *hdev; |
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hdev = sdev->pdata->hw_pdata; |
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hda_sdw_int_enable(sdev, false); |
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if (hdev->sdw) |
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sdw_intel_exit(hdev->sdw); |
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hdev->sdw = NULL; |
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return 0; |
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} |
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bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev) |
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{ |
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struct sof_intel_hda_dev *hdev; |
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bool ret = false; |
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u32 irq_status; |
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hdev = sdev->pdata->hw_pdata; |
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if (!hdev->sdw) |
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return ret; |
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/* store status */ |
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irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2); |
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/* invalid message ? */ |
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if (irq_status == 0xffffffff) |
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goto out; |
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/* SDW message ? */ |
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if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW) |
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ret = true; |
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out: |
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return ret; |
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} |
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static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) |
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{ |
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const struct sof_intel_dsp_desc *chip; |
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chip = get_chip_info(sdev->pdata); |
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if (chip && chip->check_sdw_irq) |
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return chip->check_sdw_irq(sdev); |
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return false; |
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} |
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static irqreturn_t hda_dsp_sdw_thread(int irq, void *context) |
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{ |
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return sdw_intel_thread(irq, context); |
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} |
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static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) |
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{ |
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struct sof_intel_hda_dev *hdev; |
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hdev = sdev->pdata->hw_pdata; |
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if (hdev->sdw && |
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snd_sof_dsp_read(sdev, HDA_DSP_BAR, |
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hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS)) |
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return true; |
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return false; |
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} |
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void hda_sdw_process_wakeen(struct snd_sof_dev *sdev) |
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{ |
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struct sof_intel_hda_dev *hdev; |
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hdev = sdev->pdata->hw_pdata; |
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if (!hdev->sdw) |
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return; |
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sdw_intel_process_wakeen_event(hdev->sdw); |
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} |
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#else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ |
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static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) |
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{ |
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return 0; |
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} |
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static inline int hda_sdw_probe(struct snd_sof_dev *sdev) |
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{ |
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return 0; |
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} |
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static inline int hda_sdw_exit(struct snd_sof_dev *sdev) |
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{ |
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return 0; |
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} |
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static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) |
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{ |
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return false; |
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} |
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static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context) |
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{ |
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return IRQ_HANDLED; |
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} |
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static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) |
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{ |
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return false; |
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} |
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#endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ |
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/* |
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* Debug |
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*/ |
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struct hda_dsp_msg_code { |
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u32 code; |
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const char *msg; |
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}; |
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) |
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static bool hda_use_msi = true; |
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module_param_named(use_msi, hda_use_msi, bool, 0444); |
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MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); |
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#else |
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#define hda_use_msi (1) |
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#endif |
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int sof_hda_position_quirk = SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS; |
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module_param_named(position_quirk, sof_hda_position_quirk, int, 0444); |
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MODULE_PARM_DESC(position_quirk, "SOF HDaudio position quirk"); |
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|
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static char *hda_model; |
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module_param(hda_model, charp, 0444); |
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MODULE_PARM_DESC(hda_model, "Use the given HDA board model."); |
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|
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) |
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static int hda_dmic_num = -1; |
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module_param_named(dmic_num, hda_dmic_num, int, 0444); |
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MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); |
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#endif |
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|
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
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static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); |
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module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); |
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MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver"); |
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#endif |
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|
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static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { |
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{HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, |
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{HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, |
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{HDA_DSP_ROM_FW_ENTERED, "status: fw entered"}, |
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{HDA_DSP_ROM_CSE_ERROR, "error: cse error"}, |
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{HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"}, |
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{HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"}, |
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{HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"}, |
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{HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"}, |
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{HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"}, |
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{HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"}, |
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{HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"}, |
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{HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"}, |
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{HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"}, |
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{HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"}, |
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{HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"}, |
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{HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"}, |
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{HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"}, |
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{HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"}, |
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{HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"}, |
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}; |
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|
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static void hda_dsp_get_status(struct snd_sof_dev *sdev, const char *level) |
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{ |
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u32 status; |
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int i; |
|
|
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status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, |
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HDA_DSP_SRAM_REG_ROM_STATUS); |
|
|
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for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { |
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if (status == hda_dsp_rom_msg[i].code) { |
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dev_printk(level, sdev->dev, "%s - code %8.8x\n", |
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hda_dsp_rom_msg[i].msg, status); |
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return; |
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} |
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} |
|
|
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/* not for us, must be generic sof message */ |
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dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); |
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} |
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|
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static void hda_dsp_get_registers(struct snd_sof_dev *sdev, |
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struct sof_ipc_dsp_oops_xtensa *xoops, |
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struct sof_ipc_panic_info *panic_info, |
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u32 *stack, size_t stack_words) |
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{ |
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u32 offset = sdev->dsp_oops_offset; |
|
|
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/* first read registers */ |
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sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); |
|
|
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/* note: variable AR register array is not read */ |
|
|
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/* then get panic info */ |
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if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { |
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dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", |
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xoops->arch_hdr.totalsize); |
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return; |
|
} |
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offset += xoops->arch_hdr.totalsize; |
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sof_block_read(sdev, sdev->mmio_bar, offset, |
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panic_info, sizeof(*panic_info)); |
|
|
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/* then get the stack */ |
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offset += sizeof(*panic_info); |
|
sof_block_read(sdev, sdev->mmio_bar, offset, stack, |
|
stack_words * sizeof(u32)); |
|
} |
|
|
|
/* dump the first 8 dwords representing the extended ROM status */ |
|
static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, const char *level, |
|
u32 flags) |
|
{ |
|
char msg[128]; |
|
int len = 0; |
|
u32 value; |
|
int i; |
|
|
|
for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { |
|
value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4); |
|
len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value); |
|
} |
|
|
|
dev_printk(level, sdev->dev, "extended rom status: %s", msg); |
|
|
|
} |
|
|
|
void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) |
|
{ |
|
char *level = flags & SOF_DBG_DUMP_OPTIONAL ? KERN_DEBUG : KERN_ERR; |
|
struct sof_ipc_dsp_oops_xtensa xoops; |
|
struct sof_ipc_panic_info panic_info; |
|
u32 stack[HDA_DSP_STACK_DUMP_SIZE]; |
|
|
|
/* print ROM/FW status */ |
|
hda_dsp_get_status(sdev, level); |
|
|
|
if (flags & SOF_DBG_DUMP_REGS) { |
|
u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS); |
|
u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); |
|
|
|
hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, |
|
HDA_DSP_STACK_DUMP_SIZE); |
|
sof_print_oops_and_stack(sdev, level, status, panic, &xoops, |
|
&panic_info, stack, HDA_DSP_STACK_DUMP_SIZE); |
|
} else { |
|
hda_dsp_dump_ext_rom_status(sdev, level, flags); |
|
} |
|
} |
|
|
|
void hda_ipc_irq_dump(struct snd_sof_dev *sdev) |
|
{ |
|
struct hdac_bus *bus = sof_to_bus(sdev); |
|
u32 adspis; |
|
u32 intsts; |
|
u32 intctl; |
|
u32 ppsts; |
|
u8 rirbsts; |
|
|
|
/* read key IRQ stats and config registers */ |
|
adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS); |
|
intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS); |
|
intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL); |
|
ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS); |
|
rirbsts = snd_hdac_chip_readb(bus, RIRBSTS); |
|
|
|
dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", |
|
intsts, intctl, rirbsts); |
|
dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis); |
|
} |
|
|
|
void hda_ipc_dump(struct snd_sof_dev *sdev) |
|
{ |
|
u32 hipcie; |
|
u32 hipct; |
|
u32 hipcctl; |
|
|
|
hda_ipc_irq_dump(sdev); |
|
|
|
/* read IPC status */ |
|
hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE); |
|
hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT); |
|
hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL); |
|
|
|
/* dump the IPC regs */ |
|
/* TODO: parse the raw msg */ |
|
dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", |
|
hipcie, hipct, hipcctl); |
|
} |
|
|
|
static int hda_init(struct snd_sof_dev *sdev) |
|
{ |
|
struct hda_bus *hbus; |
|
struct hdac_bus *bus; |
|
struct pci_dev *pci = to_pci_dev(sdev->dev); |
|
int ret; |
|
|
|
hbus = sof_to_hbus(sdev); |
|
bus = sof_to_bus(sdev); |
|
|
|
/* HDA bus init */ |
|
sof_hda_bus_init(bus, &pci->dev); |
|
|
|
if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS) |
|
bus->use_posbuf = 0; |
|
else |
|
bus->use_posbuf = 1; |
|
bus->bdl_pos_adj = 0; |
|
bus->sync_write = 1; |
|
|
|
mutex_init(&hbus->prepare_mutex); |
|
hbus->pci = pci; |
|
hbus->mixer_assigned = -1; |
|
hbus->modelname = hda_model; |
|
|
|
/* initialise hdac bus */ |
|
bus->addr = pci_resource_start(pci, 0); |
|
bus->remap_addr = pci_ioremap_bar(pci, 0); |
|
if (!bus->remap_addr) { |
|
dev_err(bus->dev, "error: ioremap error\n"); |
|
return -ENXIO; |
|
} |
|
|
|
/* HDA base */ |
|
sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr; |
|
|
|
/* init i915 and HDMI codecs */ |
|
ret = hda_codec_i915_init(sdev); |
|
if (ret < 0) |
|
dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n"); |
|
|
|
/* get controller capabilities */ |
|
ret = hda_dsp_ctrl_get_caps(sdev); |
|
if (ret < 0) |
|
dev_err(sdev->dev, "error: get caps error\n"); |
|
|
|
return ret; |
|
} |
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) |
|
|
|
static int check_nhlt_dmic(struct snd_sof_dev *sdev) |
|
{ |
|
struct nhlt_acpi_table *nhlt; |
|
int dmic_num; |
|
|
|
nhlt = intel_nhlt_init(sdev->dev); |
|
if (nhlt) { |
|
dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); |
|
intel_nhlt_free(nhlt); |
|
if (dmic_num >= 1 && dmic_num <= 4) |
|
return dmic_num; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static const char *fixup_tplg_name(struct snd_sof_dev *sdev, |
|
const char *sof_tplg_filename, |
|
const char *idisp_str, |
|
const char *dmic_str) |
|
{ |
|
const char *tplg_filename = NULL; |
|
char *filename, *tmp; |
|
const char *split_ext; |
|
|
|
filename = kstrdup(sof_tplg_filename, GFP_KERNEL); |
|
if (!filename) |
|
return NULL; |
|
|
|
/* this assumes a .tplg extension */ |
|
tmp = filename; |
|
split_ext = strsep(&tmp, "."); |
|
if (split_ext) |
|
tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, |
|
"%s%s%s.tplg", |
|
split_ext, idisp_str, dmic_str); |
|
kfree(filename); |
|
|
|
return tplg_filename; |
|
} |
|
|
|
static int dmic_topology_fixup(struct snd_sof_dev *sdev, |
|
const char **tplg_filename, |
|
const char *idisp_str, |
|
int *dmic_found) |
|
{ |
|
const char *default_tplg_filename = *tplg_filename; |
|
const char *fixed_tplg_filename; |
|
const char *dmic_str; |
|
int dmic_num; |
|
|
|
/* first check NHLT for DMICs */ |
|
dmic_num = check_nhlt_dmic(sdev); |
|
|
|
/* allow for module parameter override */ |
|
if (hda_dmic_num != -1) { |
|
dev_dbg(sdev->dev, |
|
"overriding DMICs detected in NHLT tables %d by kernel param %d\n", |
|
dmic_num, hda_dmic_num); |
|
dmic_num = hda_dmic_num; |
|
} |
|
|
|
switch (dmic_num) { |
|
case 1: |
|
dmic_str = "-1ch"; |
|
break; |
|
case 2: |
|
dmic_str = "-2ch"; |
|
break; |
|
case 3: |
|
dmic_str = "-3ch"; |
|
break; |
|
case 4: |
|
dmic_str = "-4ch"; |
|
break; |
|
default: |
|
dmic_num = 0; |
|
dmic_str = ""; |
|
break; |
|
} |
|
|
|
fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename, |
|
idisp_str, dmic_str); |
|
if (!fixed_tplg_filename) |
|
return -ENOMEM; |
|
|
|
dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num); |
|
*dmic_found = dmic_num; |
|
*tplg_filename = fixed_tplg_filename; |
|
|
|
return 0; |
|
} |
|
#endif |
|
|
|
static int hda_init_caps(struct snd_sof_dev *sdev) |
|
{ |
|
struct hdac_bus *bus = sof_to_bus(sdev); |
|
struct snd_sof_pdata *pdata = sdev->pdata; |
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
|
struct hdac_ext_link *hlink; |
|
#endif |
|
struct sof_intel_hda_dev *hdev = pdata->hw_pdata; |
|
u32 link_mask; |
|
int ret = 0; |
|
|
|
/* check if dsp is there */ |
|
if (bus->ppcap) |
|
dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n"); |
|
|
|
/* Init HDA controller after i915 init */ |
|
ret = hda_dsp_ctrl_init_chip(sdev, true); |
|
if (ret < 0) { |
|
dev_err(bus->dev, "error: init chip failed with ret: %d\n", |
|
ret); |
|
return ret; |
|
} |
|
|
|
/* scan SoundWire capabilities exposed by DSDT */ |
|
ret = hda_sdw_acpi_scan(sdev); |
|
if (ret < 0) { |
|
dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); |
|
goto skip_soundwire; |
|
} |
|
|
|
link_mask = hdev->info.link_mask; |
|
if (!link_mask) { |
|
dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n"); |
|
goto skip_soundwire; |
|
} |
|
|
|
/* |
|
* probe/allocate SoundWire resources. |
|
* The hardware configuration takes place in hda_sdw_startup |
|
* after power rails are enabled. |
|
* It's entirely possible to have a mix of I2S/DMIC/SoundWire |
|
* devices, so we allocate the resources in all cases. |
|
*/ |
|
ret = hda_sdw_probe(sdev); |
|
if (ret < 0) { |
|
dev_err(sdev->dev, "error: SoundWire probe error\n"); |
|
return ret; |
|
} |
|
|
|
skip_soundwire: |
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
|
if (bus->mlcap) |
|
snd_hdac_ext_bus_get_ml_capabilities(bus); |
|
|
|
/* create codec instances */ |
|
hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi); |
|
|
|
if (!HDA_IDISP_CODEC(bus->codec_mask)) |
|
hda_codec_i915_display_power(sdev, false); |
|
|
|
/* |
|
* we are done probing so decrement link counts |
|
*/ |
|
list_for_each_entry(hlink, &bus->hlink_list, list) |
|
snd_hdac_ext_bus_link_put(bus, hlink); |
|
#endif |
|
return 0; |
|
} |
|
|
|
static void hda_check_for_state_change(struct snd_sof_dev *sdev) |
|
{ |
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
|
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); |
|
} |
|
#endif |
|
} |
|
|
|
static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context) |
|
{ |
|
struct snd_sof_dev *sdev = context; |
|
|
|
/* |
|
* Get global interrupt status. It includes all hardware interrupt |
|
* sources in the Intel HD Audio controller. |
|
*/ |
|
if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) & |
|
SOF_HDA_INTSTS_GIS) { |
|
|
|
/* disable GIE interrupt */ |
|
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, |
|
SOF_HDA_INTCTL, |
|
SOF_HDA_INT_GLOBAL_EN, |
|
0); |
|
|
|
return IRQ_WAKE_THREAD; |
|
} |
|
|
|
return IRQ_NONE; |
|
} |
|
|
|
static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context) |
|
{ |
|
struct snd_sof_dev *sdev = context; |
|
struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; |
|
|
|
/* deal with streams and controller first */ |
|
if (hda_dsp_check_stream_irq(sdev)) |
|
hda_dsp_stream_threaded_handler(irq, sdev); |
|
|
|
if (hda_dsp_check_ipc_irq(sdev)) |
|
sof_ops(sdev)->irq_thread(irq, sdev); |
|
|
|
if (hda_dsp_check_sdw_irq(sdev)) |
|
hda_dsp_sdw_thread(irq, hdev->sdw); |
|
|
|
if (hda_sdw_check_wakeen_irq(sdev)) |
|
hda_sdw_process_wakeen(sdev); |
|
|
|
hda_check_for_state_change(sdev); |
|
|
|
/* enable GIE interrupt */ |
|
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, |
|
SOF_HDA_INTCTL, |
|
SOF_HDA_INT_GLOBAL_EN, |
|
SOF_HDA_INT_GLOBAL_EN); |
|
|
|
return IRQ_HANDLED; |
|
} |
|
|
|
int hda_dsp_probe(struct snd_sof_dev *sdev) |
|
{ |
|
struct pci_dev *pci = to_pci_dev(sdev->dev); |
|
struct sof_intel_hda_dev *hdev; |
|
struct hdac_bus *bus; |
|
const struct sof_intel_dsp_desc *chip; |
|
int ret = 0; |
|
|
|
/* |
|
* detect DSP by checking class/subclass/prog-id information |
|
* class=04 subclass 03 prog-if 00: no DSP, legacy driver is required |
|
* class=04 subclass 01 prog-if 00: DSP is present |
|
* (and may be required e.g. for DMIC or SSP support) |
|
* class=04 subclass 03 prog-if 80: either of DSP or legacy mode works |
|
*/ |
|
if (pci->class == 0x040300) { |
|
dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n"); |
|
return -ENODEV; |
|
} else if (pci->class != 0x040100 && pci->class != 0x040380) { |
|
dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class); |
|
return -ENODEV; |
|
} |
|
dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class); |
|
|
|
chip = get_chip_info(sdev->pdata); |
|
if (!chip) { |
|
dev_err(sdev->dev, "error: no such device supported, chip id:%x\n", |
|
pci->device); |
|
ret = -EIO; |
|
goto err; |
|
} |
|
|
|
sdev->num_cores = chip->cores_num; |
|
|
|
hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); |
|
if (!hdev) |
|
return -ENOMEM; |
|
sdev->pdata->hw_pdata = hdev; |
|
hdev->desc = chip; |
|
|
|
hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", |
|
PLATFORM_DEVID_NONE, |
|
NULL, 0); |
|
if (IS_ERR(hdev->dmic_dev)) { |
|
dev_err(sdev->dev, "error: failed to create DMIC device\n"); |
|
return PTR_ERR(hdev->dmic_dev); |
|
} |
|
|
|
/* |
|
* use position update IPC if either it is forced |
|
* or we don't have other choice |
|
*/ |
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) |
|
hdev->no_ipc_position = 0; |
|
#else |
|
hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; |
|
#endif |
|
|
|
/* set up HDA base */ |
|
bus = sof_to_bus(sdev); |
|
ret = hda_init(sdev); |
|
if (ret < 0) |
|
goto hdac_bus_unmap; |
|
|
|
/* DSP base */ |
|
sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); |
|
if (!sdev->bar[HDA_DSP_BAR]) { |
|
dev_err(sdev->dev, "error: ioremap error\n"); |
|
ret = -ENXIO; |
|
goto hdac_bus_unmap; |
|
} |
|
|
|
sdev->mmio_bar = HDA_DSP_BAR; |
|
sdev->mailbox_bar = HDA_DSP_BAR; |
|
|
|
/* allow 64bit DMA address if supported by H/W */ |
|
if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { |
|
dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); |
|
dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); |
|
} |
|
dma_set_max_seg_size(&pci->dev, UINT_MAX); |
|
|
|
/* init streams */ |
|
ret = hda_dsp_stream_init(sdev); |
|
if (ret < 0) { |
|
dev_err(sdev->dev, "error: failed to init streams\n"); |
|
/* |
|
* not all errors are due to memory issues, but trying |
|
* to free everything does not harm |
|
*/ |
|
goto free_streams; |
|
} |
|
|
|
/* |
|
* register our IRQ |
|
* let's try to enable msi firstly |
|
* if it fails, use legacy interrupt mode |
|
* TODO: support msi multiple vectors |
|
*/ |
|
if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { |
|
dev_info(sdev->dev, "use msi interrupt mode\n"); |
|
sdev->ipc_irq = pci_irq_vector(pci, 0); |
|
/* initialised to "false" by kzalloc() */ |
|
sdev->msi_enabled = true; |
|
} |
|
|
|
if (!sdev->msi_enabled) { |
|
dev_info(sdev->dev, "use legacy interrupt mode\n"); |
|
/* |
|
* in IO-APIC mode, hda->irq and ipc_irq are using the same |
|
* irq number of pci->irq |
|
*/ |
|
sdev->ipc_irq = pci->irq; |
|
} |
|
|
|
dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); |
|
ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, |
|
hda_dsp_interrupt_thread, |
|
IRQF_SHARED, "AudioDSP", sdev); |
|
if (ret < 0) { |
|
dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", |
|
sdev->ipc_irq); |
|
goto free_irq_vector; |
|
} |
|
|
|
pci_set_master(pci); |
|
synchronize_irq(pci->irq); |
|
|
|
/* |
|
* clear TCSEL to clear playback on some HD Audio |
|
* codecs. PCI TCSEL is defined in the Intel manuals. |
|
*/ |
|
snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0); |
|
|
|
/* init HDA capabilities */ |
|
ret = hda_init_caps(sdev); |
|
if (ret < 0) |
|
goto free_ipc_irq; |
|
|
|
/* enable ppcap interrupt */ |
|
hda_dsp_ctrl_ppcap_enable(sdev, true); |
|
hda_dsp_ctrl_ppcap_int_enable(sdev, true); |
|
|
|
/* set default mailbox offset for FW ready message */ |
|
sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; |
|
|
|
INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); |
|
|
|
return 0; |
|
|
|
free_ipc_irq: |
|
free_irq(sdev->ipc_irq, sdev); |
|
free_irq_vector: |
|
if (sdev->msi_enabled) |
|
pci_free_irq_vectors(pci); |
|
free_streams: |
|
hda_dsp_stream_free(sdev); |
|
/* dsp_unmap: not currently used */ |
|
iounmap(sdev->bar[HDA_DSP_BAR]); |
|
hdac_bus_unmap: |
|
platform_device_unregister(hdev->dmic_dev); |
|
iounmap(bus->remap_addr); |
|
hda_codec_i915_exit(sdev); |
|
err: |
|
return ret; |
|
} |
|
|
|
int hda_dsp_remove(struct snd_sof_dev *sdev) |
|
{ |
|
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; |
|
const struct sof_intel_dsp_desc *chip = hda->desc; |
|
struct hdac_bus *bus = sof_to_bus(sdev); |
|
struct pci_dev *pci = to_pci_dev(sdev->dev); |
|
|
|
/* cancel any attempt for DSP D0I3 */ |
|
cancel_delayed_work_sync(&hda->d0i3_work); |
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
|
/* codec removal, invoke bus_device_remove */ |
|
snd_hdac_ext_bus_device_remove(bus); |
|
#endif |
|
|
|
hda_sdw_exit(sdev); |
|
|
|
if (!IS_ERR_OR_NULL(hda->dmic_dev)) |
|
platform_device_unregister(hda->dmic_dev); |
|
|
|
/* disable DSP IRQ */ |
|
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, |
|
SOF_HDA_PPCTL_PIE, 0); |
|
|
|
/* disable CIE and GIE interrupts */ |
|
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, |
|
SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0); |
|
|
|
/* disable cores */ |
|
if (chip) |
|
hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask); |
|
|
|
/* disable DSP */ |
|
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, |
|
SOF_HDA_PPCTL_GPROCEN, 0); |
|
|
|
free_irq(sdev->ipc_irq, sdev); |
|
if (sdev->msi_enabled) |
|
pci_free_irq_vectors(pci); |
|
|
|
hda_dsp_stream_free(sdev); |
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
|
snd_hdac_link_free_all(bus); |
|
#endif |
|
|
|
iounmap(sdev->bar[HDA_DSP_BAR]); |
|
iounmap(bus->remap_addr); |
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
|
snd_hdac_ext_bus_exit(bus); |
|
#endif |
|
hda_codec_i915_exit(sdev); |
|
|
|
return 0; |
|
} |
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
|
static void hda_generic_machine_select(struct snd_sof_dev *sdev, |
|
struct snd_soc_acpi_mach **mach) |
|
{ |
|
struct hdac_bus *bus = sof_to_bus(sdev); |
|
struct snd_soc_acpi_mach_params *mach_params; |
|
struct snd_soc_acpi_mach *hda_mach; |
|
struct snd_sof_pdata *pdata = sdev->pdata; |
|
const char *tplg_filename; |
|
const char *idisp_str; |
|
int dmic_num = 0; |
|
int codec_num = 0; |
|
int ret; |
|
int i; |
|
|
|
/* codec detection */ |
|
if (!bus->codec_mask) { |
|
dev_info(bus->dev, "no hda codecs found!\n"); |
|
} else { |
|
dev_info(bus->dev, "hda codecs found, mask %lx\n", |
|
bus->codec_mask); |
|
|
|
for (i = 0; i < HDA_MAX_CODECS; i++) { |
|
if (bus->codec_mask & (1 << i)) |
|
codec_num++; |
|
} |
|
|
|
/* |
|
* If no machine driver is found, then: |
|
* |
|
* generic hda machine driver can handle: |
|
* - one HDMI codec, and/or |
|
* - one external HDAudio codec |
|
*/ |
|
if (!*mach && codec_num <= 2) { |
|
hda_mach = snd_soc_acpi_intel_hda_machines; |
|
|
|
dev_info(bus->dev, "using HDA machine driver %s now\n", |
|
hda_mach->drv_name); |
|
|
|
if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) |
|
idisp_str = "-idisp"; |
|
else |
|
idisp_str = ""; |
|
|
|
/* topology: use the info from hda_machines */ |
|
tplg_filename = hda_mach->sof_tplg_filename; |
|
ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num); |
|
if (ret < 0) |
|
return; |
|
|
|
hda_mach->mach_params.dmic_num = dmic_num; |
|
pdata->tplg_filename = tplg_filename; |
|
|
|
if (codec_num == 2) { |
|
/* |
|
* Prevent SoundWire links from starting when an external |
|
* HDaudio codec is used |
|
*/ |
|
hda_mach->mach_params.link_mask = 0; |
|
} |
|
|
|
*mach = hda_mach; |
|
} |
|
} |
|
|
|
/* used by hda machine driver to create dai links */ |
|
if (*mach) { |
|
mach_params = &(*mach)->mach_params; |
|
mach_params->codec_mask = bus->codec_mask; |
|
mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; |
|
} |
|
} |
|
#else |
|
static void hda_generic_machine_select(struct snd_sof_dev *sdev, |
|
struct snd_soc_acpi_mach **mach) |
|
{ |
|
} |
|
#endif |
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) |
|
/* Check if all Slaves defined on the link can be found */ |
|
static bool link_slaves_found(struct snd_sof_dev *sdev, |
|
const struct snd_soc_acpi_link_adr *link, |
|
struct sdw_intel_ctx *sdw) |
|
{ |
|
struct hdac_bus *bus = sof_to_bus(sdev); |
|
struct sdw_intel_slave_id *ids = sdw->ids; |
|
int num_slaves = sdw->num_slaves; |
|
unsigned int part_id, link_id, unique_id, mfg_id; |
|
int i, j, k; |
|
|
|
for (i = 0; i < link->num_adr; i++) { |
|
u64 adr = link->adr_d[i].adr; |
|
int reported_part_count = 0; |
|
|
|
mfg_id = SDW_MFG_ID(adr); |
|
part_id = SDW_PART_ID(adr); |
|
link_id = SDW_DISCO_LINK_ID(adr); |
|
|
|
for (j = 0; j < num_slaves; j++) { |
|
/* find out how many identical parts were reported on that link */ |
|
if (ids[j].link_id == link_id && |
|
ids[j].id.part_id == part_id && |
|
ids[j].id.mfg_id == mfg_id) |
|
reported_part_count++; |
|
} |
|
|
|
for (j = 0; j < num_slaves; j++) { |
|
int expected_part_count = 0; |
|
|
|
if (ids[j].link_id != link_id || |
|
ids[j].id.part_id != part_id || |
|
ids[j].id.mfg_id != mfg_id) |
|
continue; |
|
|
|
/* find out how many identical parts are expected */ |
|
for (k = 0; k < link->num_adr; k++) { |
|
u64 adr2 = link->adr_d[k].adr; |
|
unsigned int part_id2, link_id2, mfg_id2; |
|
|
|
mfg_id2 = SDW_MFG_ID(adr2); |
|
part_id2 = SDW_PART_ID(adr2); |
|
link_id2 = SDW_DISCO_LINK_ID(adr2); |
|
|
|
if (link_id2 == link_id && |
|
part_id2 == part_id && |
|
mfg_id2 == mfg_id) |
|
expected_part_count++; |
|
} |
|
|
|
if (reported_part_count == expected_part_count) { |
|
/* |
|
* we have to check unique id |
|
* if there is more than one |
|
* Slave on the link |
|
*/ |
|
unique_id = SDW_UNIQUE_ID(adr); |
|
if (reported_part_count == 1 || |
|
ids[j].id.unique_id == unique_id) { |
|
dev_dbg(bus->dev, "found %x at link %d\n", |
|
part_id, link_id); |
|
break; |
|
} |
|
} else { |
|
dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n", |
|
part_id, reported_part_count, expected_part_count, link_id); |
|
} |
|
} |
|
if (j == num_slaves) { |
|
dev_dbg(bus->dev, |
|
"Slave %x not found\n", |
|
part_id); |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev) |
|
{ |
|
struct snd_sof_pdata *pdata = sdev->pdata; |
|
const struct snd_soc_acpi_link_adr *link; |
|
struct snd_soc_acpi_mach *mach; |
|
struct sof_intel_hda_dev *hdev; |
|
u32 link_mask; |
|
int i; |
|
|
|
hdev = pdata->hw_pdata; |
|
link_mask = hdev->info.link_mask; |
|
|
|
/* |
|
* Select SoundWire machine driver if needed using the |
|
* alternate tables. This case deals with SoundWire-only |
|
* machines, for mixed cases with I2C/I2S the detection relies |
|
* on the HID list. |
|
*/ |
|
if (link_mask) { |
|
for (mach = pdata->desc->alt_machines; |
|
mach && mach->link_mask; mach++) { |
|
/* |
|
* On some platforms such as Up Extreme all links |
|
* are enabled but only one link can be used by |
|
* external codec. Instead of exact match of two masks, |
|
* first check whether link_mask of mach is subset of |
|
* link_mask supported by hw and then go on searching |
|
* link_adr |
|
*/ |
|
if (~link_mask & mach->link_mask) |
|
continue; |
|
|
|
/* No need to match adr if there is no links defined */ |
|
if (!mach->links) |
|
break; |
|
|
|
link = mach->links; |
|
for (i = 0; i < hdev->info.count && link->num_adr; |
|
i++, link++) { |
|
/* |
|
* Try next machine if any expected Slaves |
|
* are not found on this link. |
|
*/ |
|
if (!link_slaves_found(sdev, link, hdev->sdw)) |
|
break; |
|
} |
|
/* Found if all Slaves are checked */ |
|
if (i == hdev->info.count || !link->num_adr) |
|
break; |
|
} |
|
if (mach && mach->link_mask) { |
|
int dmic_num = 0; |
|
|
|
mach->mach_params.links = mach->links; |
|
mach->mach_params.link_mask = mach->link_mask; |
|
mach->mach_params.platform = dev_name(sdev->dev); |
|
if (mach->sof_fw_filename) |
|
pdata->fw_filename = mach->sof_fw_filename; |
|
else |
|
pdata->fw_filename = pdata->desc->default_fw_filename; |
|
pdata->tplg_filename = mach->sof_tplg_filename; |
|
|
|
/* |
|
* DMICs use up to 4 pins and are typically pin-muxed with SoundWire |
|
* link 2 and 3, thus we only try to enable dmics if all conditions |
|
* are true: |
|
* a) link 2 and 3 are not used by SoundWire |
|
* b) the NHLT table reports the presence of microphones |
|
*/ |
|
if (!(mach->link_mask & GENMASK(3, 2))) { |
|
const char *tplg_filename = mach->sof_tplg_filename; |
|
int ret; |
|
|
|
ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num); |
|
if (ret < 0) |
|
return NULL; |
|
|
|
pdata->tplg_filename = tplg_filename; |
|
} |
|
mach->mach_params.dmic_num = dmic_num; |
|
|
|
dev_dbg(sdev->dev, |
|
"SoundWire machine driver %s topology %s\n", |
|
mach->drv_name, |
|
pdata->tplg_filename); |
|
|
|
return mach; |
|
} |
|
|
|
dev_info(sdev->dev, "No SoundWire machine driver found\n"); |
|
} |
|
|
|
return NULL; |
|
} |
|
#else |
|
static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev) |
|
{ |
|
return NULL; |
|
} |
|
#endif |
|
|
|
void hda_set_mach_params(struct snd_soc_acpi_mach *mach, |
|
struct snd_sof_dev *sdev) |
|
{ |
|
struct snd_sof_pdata *pdata = sdev->pdata; |
|
const struct sof_dev_desc *desc = pdata->desc; |
|
struct snd_soc_acpi_mach_params *mach_params; |
|
|
|
mach_params = &mach->mach_params; |
|
mach_params->platform = dev_name(sdev->dev); |
|
mach_params->num_dai_drivers = desc->ops->num_drv; |
|
mach_params->dai_drivers = desc->ops->drv; |
|
} |
|
|
|
struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev) |
|
{ |
|
struct snd_sof_pdata *sof_pdata = sdev->pdata; |
|
const struct sof_dev_desc *desc = sof_pdata->desc; |
|
struct snd_soc_acpi_mach *mach; |
|
|
|
mach = snd_soc_acpi_find_machine(desc->machines); |
|
if (mach) { |
|
/* |
|
* If tplg file name is overridden, use it instead of |
|
* the one set in mach table |
|
*/ |
|
if (!sof_pdata->tplg_filename) |
|
sof_pdata->tplg_filename = mach->sof_tplg_filename; |
|
|
|
if (mach->link_mask) { |
|
mach->mach_params.links = mach->links; |
|
mach->mach_params.link_mask = mach->link_mask; |
|
} |
|
} |
|
|
|
/* |
|
* If I2S fails, try SoundWire |
|
*/ |
|
if (!mach) |
|
mach = hda_sdw_machine_select(sdev); |
|
|
|
/* |
|
* Choose HDA generic machine driver if mach is NULL. |
|
* Otherwise, set certain mach params. |
|
*/ |
|
hda_generic_machine_select(sdev, &mach); |
|
if (!mach) |
|
dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); |
|
|
|
return mach; |
|
} |
|
|
|
int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) |
|
{ |
|
int ret; |
|
|
|
ret = snd_intel_dsp_driver_probe(pci); |
|
if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { |
|
dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n"); |
|
return -ENODEV; |
|
} |
|
|
|
return sof_pci_probe(pci, pci_id); |
|
} |
|
EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON); |
|
|
|
MODULE_LICENSE("Dual BSD/GPL"); |
|
MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); |
|
MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC); |
|
MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915); |
|
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); |
|
MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI); |
|
MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
|
|
|