summaryrefslogtreecommitdiff
path: root/sound/soc/sof/intel/hda.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/sof/intel/hda.c')
-rw-r--r--sound/soc/sof/intel/hda.c1757
1 files changed, 1757 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
new file mode 100644
index 000000000000..c1518dbee1b7
--- /dev/null
+++ b/sound/soc/sof/intel/hda.c
@@ -0,0 +1,1757 @@
+// 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.
+//
+// Copyright(c) 2018 Intel Corporation
+//
+// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
+// Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
+// Rander Wang <rander.wang@intel.com>
+// Keyon Jie <yang.jie@linux.intel.com>
+//
+
+/*
+ * Hardware interface for generic Intel audio DSP HDA IP
+ */
+
+#include <sound/hdaudio_ext.h>
+#include <sound/hda_register.h>
+
+#include <linux/acpi.h>
+#include <linux/debugfs.h>
+#include <linux/module.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_intel.h>
+#include <sound/intel-dsp-config.h>
+#include <sound/intel-nhlt.h>
+#include <sound/soc-acpi-intel-ssp-common.h>
+#include <sound/soc_sdw_utils.h>
+#include <sound/sof.h>
+#include <sound/sof/xtensa.h>
+#include <sound/hda-mlink.h>
+#include "../sof-audio.h"
+#include "../sof-pci-dev.h"
+#include "../ops.h"
+#include "../ipc4-topology.h"
+#include "../../intel/common/sof-function-topology-lib.h"
+#include "hda.h"
+
+#include <trace/events/sof_intel.h>
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
+#include <sound/soc-acpi-intel-match.h>
+#endif
+
+/* platform specific devices */
+#include "shim.h"
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
+
+/*
+ * The default for SoundWire clock stop quirks is to power gate the IP
+ * and do a Bus Reset, this will need to be modified when the DSP
+ * needs to remain in D0i3 so that the Master does not lose context
+ * and enumeration is not required on clock restart
+ */
+static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
+module_param(sdw_clock_stop_quirks, int, 0444);
+MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
+
+static int sdw_params_stream(struct device *dev,
+ struct sdw_intel_stream_params_data *params_data)
+{
+ struct snd_soc_dai *d = params_data->dai;
+ struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, params_data->substream->stream);
+ struct snd_sof_dai_config_data data = { 0 };
+
+ if (!w) {
+ dev_err(dev, "%s widget not found, check amp link num in the topology\n",
+ d->name);
+ return -EINVAL;
+ }
+ data.dai_index = (params_data->link_id << 8) | d->id;
+ data.dai_data = params_data->alh_stream_id;
+ data.dai_node_id = data.dai_data;
+
+ return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_PARAMS, &data);
+}
+
+static int sdw_params_free(struct device *dev, struct sdw_intel_stream_free_data *free_data)
+{
+ struct snd_soc_dai *d = free_data->dai;
+ struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, free_data->substream->stream);
+ struct snd_sof_dev *sdev = widget_to_sdev(w);
+
+ if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4) {
+ struct snd_sof_widget *swidget = w->dobj.private;
+ struct snd_sof_dai *dai = swidget->private;
+ struct sof_ipc4_copier_data *copier_data;
+ struct sof_ipc4_copier *ipc4_copier;
+
+ ipc4_copier = dai->private;
+ ipc4_copier->dai_index = 0;
+ copier_data = &ipc4_copier->data;
+
+ /* clear the node ID */
+ copier_data->gtw_cfg.node_id &= ~SOF_IPC4_NODE_INDEX_MASK;
+ }
+
+ return 0;
+}
+
+struct sdw_intel_ops sdw_callback = {
+ .params_stream = sdw_params_stream,
+ .free_stream = sdw_params_free,
+};
+
+static int sdw_ace2x_params_stream(struct device *dev,
+ struct sdw_intel_stream_params_data *params_data)
+{
+ return sdw_hda_dai_hw_params(params_data->substream,
+ params_data->hw_params,
+ params_data->dai,
+ params_data->link_id,
+ params_data->alh_stream_id);
+}
+
+static int sdw_ace2x_free_stream(struct device *dev,
+ struct sdw_intel_stream_free_data *free_data)
+{
+ return sdw_hda_dai_hw_free(free_data->substream,
+ free_data->dai,
+ free_data->link_id);
+}
+
+static int sdw_ace2x_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
+{
+ return sdw_hda_dai_trigger(substream, cmd, dai);
+}
+
+static struct sdw_intel_ops sdw_ace2x_callback = {
+ .params_stream = sdw_ace2x_params_stream,
+ .free_stream = sdw_ace2x_free_stream,
+ .trigger = sdw_ace2x_trigger,
+};
+
+static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
+{
+ u32 interface_mask = hda_get_interface_mask(sdev);
+ struct sof_intel_hda_dev *hdev;
+ acpi_handle handle;
+ int ret;
+
+ if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
+ return -EINVAL;
+
+ handle = ACPI_HANDLE(sdev->dev);
+
+ /* save ACPI info for the probe step */
+ hdev = sdev->pdata->hw_pdata;
+
+ ret = sdw_intel_acpi_scan(handle, &hdev->info);
+ if (ret < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int hda_sdw_probe(struct snd_sof_dev *sdev)
+{
+ const struct sof_intel_dsp_desc *chip;
+ struct sof_intel_hda_dev *hdev;
+ struct sdw_intel_res res;
+ void *sdw;
+
+ hdev = sdev->pdata->hw_pdata;
+
+ memset(&res, 0, sizeof(res));
+
+ chip = get_chip_info(sdev->pdata);
+ if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) {
+ res.mmio_base = sdev->bar[HDA_DSP_BAR];
+ res.hw_ops = &sdw_intel_cnl_hw_ops;
+ res.shim_base = hdev->desc->sdw_shim_base;
+ res.alh_base = hdev->desc->sdw_alh_base;
+ res.ext = false;
+ res.ops = &sdw_callback;
+ } else {
+ /*
+ * retrieve eml_lock needed to protect shared registers
+ * in the HDaudio multi-link areas
+ */
+ res.eml_lock = hdac_bus_eml_get_mutex(sof_to_bus(sdev), true,
+ AZX_REG_ML_LEPTR_ID_SDW);
+ if (!res.eml_lock)
+ return -ENODEV;
+
+ res.mmio_base = sdev->bar[HDA_DSP_HDA_BAR];
+ /*
+ * the SHIM and SoundWire register offsets are link-specific
+ * and will be determined when adding auxiliary devices
+ */
+ res.hw_ops = &sdw_intel_lnl_hw_ops;
+ res.ext = true;
+ res.ops = &sdw_ace2x_callback;
+
+ /* ACE3+ supports microphone privacy */
+ if (chip->hw_ip_version >= SOF_INTEL_ACE_3_0)
+ res.mic_privacy = true;
+ }
+ res.irq = sdev->ipc_irq;
+ res.handle = hdev->info.handle;
+ res.parent = sdev->dev;
+
+ res.dev = sdev->dev;
+ res.clock_stop_quirks = sdw_clock_stop_quirks;
+ res.hbus = sof_to_bus(sdev);
+
+ /*
+ * ops and arg fields are not populated for now,
+ * they will be needed when the DAI callbacks are
+ * provided
+ */
+
+ /* we could filter links here if needed, e.g for quirks */
+ res.count = hdev->info.count;
+ res.link_mask = hdev->info.link_mask;
+
+ sdw = sdw_intel_probe(&res);
+ if (!sdw) {
+ dev_err(sdev->dev, "error: SoundWire probe failed\n");
+ return -EINVAL;
+ }
+
+ /* save context */
+ hdev->sdw = sdw;
+
+ return 0;
+}
+
+int hda_sdw_startup(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+ struct snd_sof_pdata *pdata = sdev->pdata;
+ int ret;
+
+ hdev = sdev->pdata->hw_pdata;
+
+ if (!hdev->sdw)
+ return 0;
+
+ if (pdata->machine && !pdata->machine->mach_params.link_mask)
+ return 0;
+
+ ret = hda_sdw_check_lcount(sdev);
+ if (ret < 0)
+ return ret;
+
+ return sdw_intel_startup(hdev->sdw);
+}
+EXPORT_SYMBOL_NS(hda_sdw_startup, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+static int hda_sdw_exit(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+
+ hdev = sdev->pdata->hw_pdata;
+
+ if (hdev->sdw)
+ sdw_intel_exit(hdev->sdw);
+ hdev->sdw = NULL;
+
+ hda_sdw_int_enable(sdev, false);
+
+ return 0;
+}
+
+bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+ bool ret = false;
+ u32 irq_status;
+
+ hdev = sdev->pdata->hw_pdata;
+
+ if (!hdev->sdw)
+ return ret;
+
+ /* store status */
+ irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
+
+ /* invalid message ? */
+ if (irq_status == 0xffffffff)
+ goto out;
+
+ /* SDW message ? */
+ if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
+ ret = true;
+
+out:
+ return ret;
+}
+EXPORT_SYMBOL_NS(hda_common_check_sdw_irq, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
+{
+ u32 interface_mask = hda_get_interface_mask(sdev);
+ const struct sof_intel_dsp_desc *chip;
+
+ if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
+ return false;
+
+ chip = get_chip_info(sdev->pdata);
+ if (chip && chip->check_sdw_irq)
+ return chip->check_sdw_irq(sdev);
+
+ return false;
+}
+
+static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
+{
+ return sdw_intel_thread(irq, context);
+}
+
+bool hda_sdw_check_wakeen_irq_common(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+
+ hdev = sdev->pdata->hw_pdata;
+ if (hdev->sdw &&
+ snd_sof_dsp_read(sdev, HDA_DSP_BAR,
+ hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL_NS(hda_sdw_check_wakeen_irq_common, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
+{
+ u32 interface_mask = hda_get_interface_mask(sdev);
+ const struct sof_intel_dsp_desc *chip;
+
+ if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
+ return false;
+
+ chip = get_chip_info(sdev->pdata);
+ if (chip && chip->check_sdw_wakeen_irq)
+ return chip->check_sdw_wakeen_irq(sdev);
+
+ return false;
+}
+
+void hda_sdw_process_wakeen_common(struct snd_sof_dev *sdev)
+{
+ u32 interface_mask = hda_get_interface_mask(sdev);
+ struct sof_intel_hda_dev *hdev;
+
+ if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
+ return;
+
+ hdev = sdev->pdata->hw_pdata;
+ if (!hdev->sdw)
+ return;
+
+ sdw_intel_process_wakeen_event(hdev->sdw);
+}
+EXPORT_SYMBOL_NS(hda_sdw_process_wakeen_common, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+static bool hda_dsp_sdw_check_mic_privacy_irq(struct snd_sof_dev *sdev)
+{
+ const struct sof_intel_dsp_desc *chip;
+
+ chip = get_chip_info(sdev->pdata);
+ if (chip && chip->check_mic_privacy_irq)
+ return chip->check_mic_privacy_irq(sdev, true,
+ AZX_REG_ML_LEPTR_ID_SDW);
+
+ return false;
+}
+
+static void hda_dsp_sdw_process_mic_privacy(struct snd_sof_dev *sdev)
+{
+ const struct sof_intel_dsp_desc *chip;
+
+ chip = get_chip_info(sdev->pdata);
+ if (chip && chip->process_mic_privacy)
+ chip->process_mic_privacy(sdev, true, AZX_REG_ML_LEPTR_ID_SDW);
+}
+
+#else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
+static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+
+static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+
+static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+
+static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
+{
+ return false;
+}
+
+static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
+{
+ return IRQ_HANDLED;
+}
+
+static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
+{
+ return false;
+}
+
+static inline bool hda_dsp_sdw_check_mic_privacy_irq(struct snd_sof_dev *sdev)
+{
+ return false;
+}
+
+static inline void hda_dsp_sdw_process_mic_privacy(struct snd_sof_dev *sdev) { }
+
+#endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
+
+/* pre fw run operations */
+int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev)
+{
+ /* disable clock gating and power gating */
+ return hda_dsp_ctrl_clock_power_gating(sdev, false);
+}
+
+/* post fw run operations */
+int hda_dsp_post_fw_run(struct snd_sof_dev *sdev)
+{
+ int ret;
+
+ if (sdev->first_boot) {
+ struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
+
+ ret = hda_sdw_startup(sdev);
+ if (ret < 0) {
+ dev_err(sdev->dev,
+ "error: could not startup SoundWire links\n");
+ return ret;
+ }
+
+ /* Check if IMR boot is usable */
+ if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT) &&
+ (sdev->fw_ready.flags & SOF_IPC_INFO_D3_PERSISTENT ||
+ sdev->pdata->ipc_type == SOF_IPC_TYPE_4)) {
+ hdev->imrboot_supported = true;
+ debugfs_create_bool("skip_imr_boot",
+ 0644, sdev->debugfs_root,
+ &hdev->skip_imr_boot);
+ }
+ }
+
+ hda_sdw_int_enable(sdev, true);
+
+ /* re-enable clock gating and power gating */
+ return hda_dsp_ctrl_clock_power_gating(sdev, true);
+}
+EXPORT_SYMBOL_NS(hda_dsp_post_fw_run, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+/*
+ * Debug
+ */
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
+static bool hda_use_msi = true;
+module_param_named(use_msi, hda_use_msi, bool, 0444);
+MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
+#else
+#define hda_use_msi (1)
+#endif
+
+static char *hda_model;
+module_param(hda_model, charp, 0444);
+MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
+
+static int dmic_num_override = -1;
+module_param_named(dmic_num, dmic_num_override, int, 0444);
+MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
+
+static int mclk_id_override = -1;
+module_param_named(mclk_id, mclk_id_override, int, 0444);
+MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
+
+static int bt_link_mask_override;
+module_param_named(bt_link_mask, bt_link_mask_override, int, 0444);
+MODULE_PARM_DESC(bt_link_mask, "SOF BT offload link mask");
+
+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(sdev, &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 && ret != -ENODEV) {
+ dev_err_probe(sdev->dev, ret, "init of i915 and HDMI codec failed\n");
+ goto out;
+ }
+
+ /* get controller capabilities */
+ ret = hda_dsp_ctrl_get_caps(sdev);
+ if (ret < 0) {
+ dev_err(sdev->dev, "error: get caps error\n");
+ hda_codec_i915_exit(sdev);
+ }
+
+out:
+ if (ret < 0)
+ iounmap(sof_to_bus(sdev)->remap_addr);
+
+ return ret;
+}
+
+static int check_dmic_num(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
+ struct nhlt_acpi_table *nhlt;
+ int dmic_num = 0;
+
+ nhlt = hdev->nhlt;
+ if (nhlt)
+ dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
+
+ dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
+
+ /* allow for module parameter override */
+ if (dmic_num_override != -1) {
+ dev_dbg(sdev->dev,
+ "overriding DMICs detected in NHLT tables %d by kernel param %d\n",
+ dmic_num, dmic_num_override);
+ dmic_num = dmic_num_override;
+ }
+
+ if (dmic_num < 0 || dmic_num > 4) {
+ dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
+ dmic_num = 0;
+ }
+
+ return dmic_num;
+}
+
+static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev, u8 device_type)
+{
+ struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
+ struct nhlt_acpi_table *nhlt;
+ int ssp_mask = 0;
+
+ nhlt = hdev->nhlt;
+ if (!nhlt)
+ return ssp_mask;
+
+ if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
+ ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, device_type);
+ if (ssp_mask)
+ dev_info(sdev->dev, "NHLT device %s(%d) detected, ssp_mask %#x\n",
+ device_type == NHLT_DEVICE_BT ? "BT" : "I2S",
+ device_type, ssp_mask);
+ }
+
+ return ssp_mask;
+}
+
+static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
+{
+ struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
+ struct nhlt_acpi_table *nhlt;
+
+ nhlt = hdev->nhlt;
+ if (!nhlt)
+ return 0;
+
+ return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
+}
+
+static int hda_init_caps(struct snd_sof_dev *sdev)
+{
+ u32 interface_mask = hda_get_interface_mask(sdev);
+ struct hdac_bus *bus = sof_to_bus(sdev);
+ struct snd_sof_pdata *pdata = sdev->pdata;
+ 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;
+ }
+
+ hda_bus_ml_init(bus);
+
+ /* Skip SoundWire if it is not supported */
+ if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
+ goto skip_soundwire;
+
+ /* Skip SoundWire in nocodec mode */
+ if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
+ sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
+ goto skip_soundwire;
+
+ /* 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:
+
+ /* create codec instances */
+ hda_codec_probe_bus(sdev);
+
+ if (!HDA_IDISP_CODEC(bus->codec_mask))
+ hda_codec_i915_display_power(sdev, false);
+
+ hda_bus_ml_put_all(bus);
+
+ return 0;
+}
+
+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)) {
+ trace_sof_intel_hda_irq(sdev, "stream");
+ hda_dsp_stream_threaded_handler(irq, sdev);
+ }
+
+ if (hda_check_ipc_irq(sdev)) {
+ trace_sof_intel_hda_irq(sdev, "ipc");
+ sof_ops(sdev)->irq_thread(irq, sdev);
+ }
+
+ if (hda_dsp_check_sdw_irq(sdev)) {
+ trace_sof_intel_hda_irq(sdev, "sdw");
+
+ hda_dsp_sdw_thread(irq, hdev->sdw);
+
+ if (hda_dsp_sdw_check_mic_privacy_irq(sdev)) {
+ trace_sof_intel_hda_irq(sdev, "mic privacy");
+ hda_dsp_sdw_process_mic_privacy(sdev);
+ }
+ }
+
+ if (hda_sdw_check_wakeen_irq(sdev)) {
+ trace_sof_intel_hda_irq(sdev, "wakeen");
+ hda_sdw_process_wakeen(sdev);
+ }
+
+ hda_codec_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_early(struct snd_sof_dev *sdev)
+{
+ struct pci_dev *pci = to_pci_dev(sdev->dev);
+ struct sof_intel_hda_dev *hdev;
+ const struct sof_intel_dsp_desc *chip;
+ int ret = 0;
+
+ if (!sdev->dspless_mode_selected) {
+ /*
+ * 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, "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, "unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n",
+ pci->class);
+ return -ENODEV;
+ }
+ dev_info_once(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;
+ ret = hda_init(sdev);
+
+err:
+ return ret;
+}
+EXPORT_SYMBOL_NS(hda_dsp_probe_early, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+int hda_dsp_probe(struct snd_sof_dev *sdev)
+{
+ struct pci_dev *pci = to_pci_dev(sdev->dev);
+ struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
+ const struct sof_intel_dsp_desc *chip;
+ int ret = 0;
+
+ 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
+
+ if (sdev->dspless_mode_selected)
+ hdev->no_ipc_position = 1;
+
+ if (sdev->dspless_mode_selected)
+ goto skip_dsp_setup;
+
+ /* 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;
+skip_dsp_setup:
+
+ /* 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;
+
+ if (!sdev->dspless_mode_selected) {
+ /* 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);
+ }
+
+ chip = get_chip_info(sdev->pdata);
+ if (chip && chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
+ ret = hda_sdw_startup(sdev);
+ if (ret < 0) {
+ dev_err(sdev->dev, "could not startup SoundWire links\n");
+ goto disable_pp_cap;
+ }
+ }
+
+ init_waitqueue_head(&hdev->waitq);
+
+ hdev->nhlt = intel_nhlt_init(sdev->dev);
+
+ return 0;
+
+disable_pp_cap:
+ if (!sdev->dspless_mode_selected) {
+ hda_dsp_ctrl_ppcap_int_enable(sdev, false);
+ hda_dsp_ctrl_ppcap_enable(sdev, false);
+ }
+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 */
+ if (!sdev->dspless_mode_selected)
+ iounmap(sdev->bar[HDA_DSP_BAR]);
+hdac_bus_unmap:
+ platform_device_unregister(hdev->dmic_dev);
+
+ return ret;
+}
+EXPORT_SYMBOL_NS(hda_dsp_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+void 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 pci_dev *pci = to_pci_dev(sdev->dev);
+ struct nhlt_acpi_table *nhlt = hda->nhlt;
+
+ if (nhlt)
+ intel_nhlt_free(nhlt);
+
+ if (!sdev->dspless_mode_selected)
+ /* cancel any attempt for DSP D0I3 */
+ cancel_delayed_work_sync(&hda->d0i3_work);
+
+ hda_codec_device_remove(sdev);
+
+ hda_sdw_exit(sdev);
+
+ if (!IS_ERR_OR_NULL(hda->dmic_dev))
+ platform_device_unregister(hda->dmic_dev);
+
+ if (!sdev->dspless_mode_selected) {
+ /* disable DSP IRQ */
+ hda_dsp_ctrl_ppcap_int_enable(sdev, false);
+ }
+
+ /* 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);
+
+ if (sdev->dspless_mode_selected)
+ goto skip_disable_dsp;
+
+ /* Cancel the microphone privacy work if mic privacy is active */
+ if (hda->mic_privacy.active)
+ cancel_work_sync(&hda->mic_privacy.work);
+
+ /* no need to check for error as the DSP will be disabled anyway */
+ if (chip && chip->power_down_dsp)
+ chip->power_down_dsp(sdev);
+
+ /* disable DSP */
+ hda_dsp_ctrl_ppcap_enable(sdev, false);
+
+ /* Free the persistent DMA buffers used for base firmware download */
+ if (hda->cl_dmab.area)
+ snd_dma_free_pages(&hda->cl_dmab);
+ if (hda->iccmax_dmab.area)
+ snd_dma_free_pages(&hda->iccmax_dmab);
+
+skip_disable_dsp:
+ free_irq(sdev->ipc_irq, sdev);
+ if (sdev->msi_enabled)
+ pci_free_irq_vectors(pci);
+
+ hda_dsp_stream_free(sdev);
+
+ hda_bus_ml_free(sof_to_bus(sdev));
+
+ if (!sdev->dspless_mode_selected)
+ iounmap(sdev->bar[HDA_DSP_BAR]);
+}
+EXPORT_SYMBOL_NS(hda_dsp_remove, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+void hda_dsp_remove_late(struct snd_sof_dev *sdev)
+{
+ iounmap(sof_to_bus(sdev)->remap_addr);
+ sof_hda_bus_exit(sdev);
+ hda_codec_i915_exit(sdev);
+}
+
+int hda_power_down_dsp(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
+ const struct sof_intel_dsp_desc *chip = hda->desc;
+
+ return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
+}
+EXPORT_SYMBOL_NS(hda_power_down_dsp, "SND_SOC_SOF_INTEL_HDA_GENERIC");
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
+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;
+ int codec_num = 0;
+ 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) {
+ bool tplg_fixup = false;
+
+ /*
+ * make a local copy of the match array since we might
+ * be modifying it
+ */
+ hda_mach = devm_kmemdup_array(sdev->dev,
+ snd_soc_acpi_intel_hda_machines,
+ 2, /* we have one entry + sentinel in the array */
+ sizeof(snd_soc_acpi_intel_hda_machines[0]),
+ GFP_KERNEL);
+ if (!hda_mach) {
+ dev_err(bus->dev,
+ "%s: failed to duplicate the HDA match table\n",
+ __func__);
+ return;
+ }
+
+ dev_info(bus->dev, "using HDA machine driver %s now\n",
+ hda_mach->drv_name);
+
+ /*
+ * topology: use the info from hda_machines since tplg file name
+ * is not overwritten
+ */
+ if (!pdata->tplg_filename)
+ tplg_fixup = true;
+
+ if (tplg_fixup &&
+ codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) {
+ tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "%s-idisp",
+ hda_mach->sof_tplg_filename);
+ if (!tplg_filename)
+ return;
+
+ hda_mach->sof_tplg_filename = tplg_filename;
+ }
+
+ if (codec_num == 2 ||
+ (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
+ /*
+ * Prevent SoundWire links from starting when an external
+ * HDaudio codec is used
+ */
+ hda_mach->mach_params.link_mask = 0;
+ } else {
+ /*
+ * Allow SoundWire links to start when no external HDaudio codec
+ * was detected. This will not create a SoundWire card but
+ * will help detect if any SoundWire codec reports as ATTACHED.
+ */
+ struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
+
+ hda_mach->mach_params.link_mask = hdev->info.link_mask;
+ }
+
+ *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;
+ }
+}
+#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)
+
+static bool is_endpoint_present(struct sdw_slave *sdw_device,
+ struct asoc_sdw_codec_info *dai_info, int dai_type)
+{
+ int i;
+
+ for (i = 0; i < sdw_device->sdca_data.num_functions; i++) {
+ if (dai_type == dai_info->dais[i].dai_type)
+ return true;
+ }
+ dev_dbg(&sdw_device->dev, "Endpoint DAI type %d not found\n", dai_type);
+ return false;
+}
+
+static struct snd_soc_acpi_adr_device *find_acpi_adr_device(struct device *dev,
+ struct sdw_slave *sdw_device,
+ struct snd_soc_acpi_link_adr *link,
+ int *amp_index)
+{
+ struct snd_soc_acpi_adr_device *adr_dev;
+ const char *name_prefix = "";
+ int index = link->num_adr;
+ bool is_amp = true; /* Set it to false if the codec wiah any NON-AMP DAI type */
+ int ep_index = 0;
+ int i, j;
+
+ link->mask = BIT(sdw_device->bus->link_id);
+ /* index is 0 based, we need allocate index + 1 for the array size */
+ if (!index)
+ adr_dev = devm_kzalloc(dev, sizeof(*adr_dev), GFP_KERNEL);
+ else
+ adr_dev = devm_krealloc(dev, (struct snd_soc_acpi_adr_device *)link->adr_d,
+ (index + 1) * sizeof(*adr_dev), GFP_KERNEL);
+
+ if (!adr_dev)
+ return NULL;
+
+ for (i = 0; i < asoc_sdw_get_codec_info_list_count(); i++) {
+ struct snd_soc_acpi_endpoint *endpoints;
+ int amp_group_id = 1;
+
+ if (sdw_device->id.part_id != codec_info_list[i].part_id)
+ continue;
+
+ endpoints = devm_kcalloc(dev, codec_info_list[i].dai_num,
+ sizeof(struct snd_soc_acpi_endpoint), GFP_KERNEL);
+ if (!endpoints)
+ return NULL;
+
+ name_prefix = codec_info_list[i].name_prefix;
+ /*
+ * This should not happen, but add a paranoid check to avoid NULL pointer
+ * dereference
+ */
+ if (!name_prefix) {
+ dev_err(dev, "codec_info_list name_prefix of part id %#x is missing\n",
+ codec_info_list[i].part_id);
+ return NULL;
+ }
+ for (j = 0; j < codec_info_list[i].dai_num; j++) {
+ /* Check if the endpoint is present by the SDCA DisCo table */
+ if (!is_endpoint_present(sdw_device, &codec_info_list[i],
+ codec_info_list[i].dais[j].dai_type))
+ continue;
+
+ endpoints[ep_index].num = ep_index;
+ if (codec_info_list[i].dais[j].dai_type == SOC_SDW_DAI_TYPE_AMP) {
+ /* Assume all amp are aggregated */
+ endpoints[ep_index].aggregated = 1;
+ endpoints[ep_index].group_id = amp_group_id;
+ endpoints[ep_index].group_position = *amp_index;
+ /* Set group id = 2 for feedback capture endpoint */
+ amp_group_id++;
+ } else {
+ endpoints[ep_index].aggregated = 0;
+ endpoints[ep_index].group_id = 0;
+ endpoints[ep_index].group_position = 0;
+ is_amp = false;
+ }
+ ep_index++;
+ }
+ adr_dev[index].endpoints = endpoints;
+ adr_dev[index].num_endpoints = ep_index;
+ break;
+ }
+
+ if (i == asoc_sdw_get_codec_info_list_count()) {
+ dev_err(dev, "part id %#x is not supported\n", sdw_device->id.part_id);
+ return NULL;
+ }
+
+ adr_dev[index].adr = ((u64)sdw_device->id.class_id & 0xFF) |
+ ((u64)sdw_device->id.part_id & 0xFFFF) << 8 |
+ ((u64)sdw_device->id.mfg_id & 0xFFFF) << 24 |
+ ((u64)(sdw_device->id.unique_id & 0xF) << 40) |
+ ((u64)(sdw_device->id.sdw_version & 0xF) << 44) |
+ ((u64)(sdw_device->bus->link_id & 0xF) << 48);
+
+ if (!is_amp) {
+ /* For non-amp codecs, get name_prefix from codec_info_list[] */
+ adr_dev[index].name_prefix = devm_kasprintf(dev, GFP_KERNEL, "%s", name_prefix);
+ goto done_name_prefix;
+ }
+
+ /*
+ * The name_prefix comes from codec_info_list which has a name_prefix per codec.
+ * And we need to give a unique name_prefix for each amp and should be backwards
+ * compatible to the existing acpi match tables to not break existing UCMs.
+ * For the common name_prefix, we append the amp index to it. However, for the
+ * "Left" name_prefix, we convert the second amp name_prefix to "Right" and
+ * for the third and further amps, we set the name_prefix to "AMP<amp_index>".
+ */
+ if (!strcmp(name_prefix, "Left")) {
+ switch (*amp_index) {
+ case 1:
+ adr_dev[index].name_prefix = devm_kasprintf(dev, GFP_KERNEL,
+ "%s", "Left");
+ break;
+ case 2:
+ adr_dev[index].name_prefix = devm_kasprintf(dev, GFP_KERNEL,
+ "%s", "Right");
+ break;
+ default:
+ /* Set the name_fix to AMP<amp_index> if there are more than 2 amps */
+ adr_dev[index].name_prefix = devm_kasprintf(dev, GFP_KERNEL, "%s%d",
+ "AMP", *amp_index);
+ break;
+ }
+ } else if (!strcmp(name_prefix, "AMP")) {
+ adr_dev[index].name_prefix = devm_kasprintf(dev, GFP_KERNEL, "%s%d",
+ name_prefix,
+ *amp_index);
+ } else {
+ /*
+ * The name_prefix will be the amp name if it is not "Left" or "AMP", set it to
+ * <name_prefix>-<amp_index> format. Like rt1320-1
+ */
+ adr_dev[index].name_prefix = devm_kasprintf(dev, GFP_KERNEL, "%s-%d",
+ name_prefix,
+ *amp_index);
+ }
+ (*amp_index)++;
+
+done_name_prefix:
+ if (!adr_dev[index].name_prefix) {
+ dev_err(dev, "failed to allocate memory for name_prefix\n");
+ return NULL;
+ }
+
+ dev_dbg(dev, "adr[%d] 0x%llx link id %d name_prefix \"%s\" is found\n",
+ index, adr_dev[index].adr, sdw_device->bus->link_id, adr_dev[index].name_prefix);
+
+ link->num_adr++;
+
+ return adr_dev;
+}
+
+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;
+ const struct sof_intel_dsp_desc *chip;
+ struct snd_soc_acpi_link_adr *links;
+ struct sdw_peripherals *peripherals;
+ struct snd_soc_acpi_mach *mach;
+ struct sof_intel_hda_dev *hdev;
+ int link_index, link_num;
+ int amp_index = 1;
+ u32 link_mask = 0;
+ int i;
+
+ hdev = pdata->hw_pdata;
+ link_mask = hdev->info.link_mask;
+
+ if (!link_mask) {
+ dev_info(sdev->dev, "SoundWire links not enabled\n");
+ return NULL;
+ }
+
+ if (!hdev->sdw) {
+ dev_dbg(sdev->dev, "SoundWire context not allocated\n");
+ return NULL;
+ }
+
+ if (!hdev->sdw->peripherals || !hdev->sdw->peripherals->num_peripherals) {
+ dev_warn(sdev->dev, "No SoundWire peripheral detected in ACPI tables\n");
+ return NULL;
+ }
+
+ /*
+ * 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.
+ */
+ 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 (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
+ hdev->sdw->peripherals))
+ break;
+ }
+ /* Found if all Slaves are checked */
+ if (i == hdev->info.count || !link->num_adr)
+ if (!mach->machine_check || mach->machine_check(hdev->sdw))
+ break;
+ }
+ if (mach && mach->link_mask) {
+ mach->mach_params.links = mach->links;
+ mach->mach_params.link_mask = mach->link_mask;
+ mach->mach_params.platform = dev_name(sdev->dev);
+
+ return mach;
+ }
+
+ dev_info(sdev->dev, "No SoundWire machine driver found for the ACPI-reported configuration:\n");
+ peripherals = hdev->sdw->peripherals;
+ for (i = 0; i < peripherals->num_peripherals; i++)
+ dev_info(sdev->dev, "link %d mfg_id 0x%04x part_id 0x%04x version %#x\n",
+ peripherals->array[i]->bus->link_id,
+ peripherals->array[i]->id.mfg_id,
+ peripherals->array[i]->id.part_id,
+ peripherals->array[i]->id.sdw_version);
+
+ chip = get_chip_info(sdev->pdata);
+
+ /* SDCA was not well supported in the BIOS before ACE2.0 */
+ if (chip->hw_ip_version < SOF_INTEL_ACE_2_0)
+ return NULL;
+
+ if (!peripherals->num_peripherals)
+ return NULL;
+
+ /* Create default SDW mach */
+ mach = devm_kzalloc(sdev->dev, sizeof(*mach), GFP_KERNEL);
+ if (!mach)
+ return NULL;
+
+ /* Get link mask and link number */
+ for (i = 0; i < peripherals->num_peripherals; i++)
+ link_mask |= BIT(peripherals->array[i]->bus->link_id);
+
+ link_num = hweight32(link_mask);
+ links = devm_kcalloc(sdev->dev, link_num, sizeof(*links), GFP_KERNEL);
+ if (!links)
+ return NULL;
+
+ /* Generate snd_soc_acpi_link_adr struct for each peripheral reported by the ACPI table */
+ for (i = 0; i < peripherals->num_peripherals; i++) {
+ /* link_index = the number of used links below the current link */
+ link_index = hweight32(link_mask & (BIT(peripherals->array[i]->bus->link_id) - 1));
+ links[link_index].adr_d = find_acpi_adr_device(sdev->dev, peripherals->array[i],
+ &links[link_index], &amp_index);
+ if (!links[link_index].adr_d)
+ return NULL;
+ }
+
+ mach->drv_name = "sof_sdw";
+ mach->mach_params.links = links;
+ mach->mach_params.link_mask = link_mask;
+ mach->mach_params.platform = dev_name(sdev->dev);
+ mach->get_function_tplg_files = sof_sdw_get_tplg_files;
+ /*
+ * Set mach->sof_tplg_filename as a dummy topology to avoid tplg file checking
+ * and being used.
+ */
+ mach->sof_tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "sof-%s-dummy.tplg", chip->platform);
+
+ dev_info(sdev->dev, "Use SoundWire default machine driver with function topologies\n");
+ return mach;
+}
+#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);
+ if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
+ sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
+ mach_params->num_dai_drivers = SOF_SKL_NUM_DAIS_NOCODEC;
+ else
+ mach_params->num_dai_drivers = desc->ops->num_drv;
+ mach_params->dai_drivers = desc->ops->drv;
+}
+
+static int check_tplg_quirk_mask(struct snd_soc_acpi_mach *mach)
+{
+ u32 dmic_ssp_quirk;
+ u32 codec_amp_name_quirk;
+
+ /*
+ * In current implementation dmic and ssp quirks are designed for es8336
+ * machine driver and could not be mixed with codec name and amp name
+ * quirks.
+ */
+ dmic_ssp_quirk = mach->tplg_quirk_mask &
+ (SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER | SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER);
+ codec_amp_name_quirk = mach->tplg_quirk_mask &
+ (SND_SOC_ACPI_TPLG_INTEL_AMP_NAME | SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME);
+
+ if (dmic_ssp_quirk && codec_amp_name_quirk)
+ return -EINVAL;
+
+ return 0;
+}
+
+static char *remove_file_ext(struct device *dev, const char *tplg_filename)
+{
+ char *filename, *tmp;
+
+ filename = devm_kstrdup(dev, tplg_filename, GFP_KERNEL);
+ if (!filename)
+ return NULL;
+
+ /* remove file extension if exist */
+ tmp = filename;
+ return strsep(&tmp, ".");
+}
+
+struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
+{
+ u32 interface_mask = hda_get_interface_mask(sdev);
+ struct snd_sof_pdata *sof_pdata = sdev->pdata;
+ const struct sof_dev_desc *desc = sof_pdata->desc;
+ struct hdac_bus *bus = sof_to_bus(sdev);
+ struct snd_soc_acpi_mach *mach = NULL;
+ enum snd_soc_acpi_intel_codec codec_type, amp_type;
+ const char *tplg_filename;
+ const char *tplg_suffix;
+ bool amp_name_valid;
+ bool i2s_mach_found = false;
+ bool sdw_mach_found = false;
+
+ /* Try I2S or DMIC if it is supported */
+ if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC))) {
+ mach = snd_soc_acpi_find_machine(desc->machines);
+ if (mach)
+ i2s_mach_found = true;
+ }
+
+ /*
+ * If I2S fails and no external HDaudio codec is detected,
+ * try SoundWire if it is supported
+ */
+ if (!mach && !HDA_EXT_CODEC(bus->codec_mask) &&
+ (interface_mask & BIT(SOF_DAI_INTEL_ALH))) {
+ mach = hda_sdw_machine_select(sdev);
+ if (mach)
+ sdw_mach_found = true;
+ }
+
+ /*
+ * 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 NULL;
+ }
+
+ /* report BT offload link mask to machine driver */
+ mach->mach_params.bt_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_BT);
+
+ dev_info(sdev->dev, "BT link detected in NHLT tables: %#x\n",
+ mach->mach_params.bt_link_mask);
+
+ /* allow for module parameter override */
+ if (bt_link_mask_override) {
+ dev_dbg(sdev->dev, "overriding BT link detected in NHLT tables %#x by kernel param %#x\n",
+ mach->mach_params.bt_link_mask, bt_link_mask_override);
+ mach->mach_params.bt_link_mask = bt_link_mask_override;
+ }
+
+ if (hweight_long(mach->mach_params.bt_link_mask) > 1) {
+ dev_warn(sdev->dev, "invalid BT link mask %#x found, reset the mask\n",
+ mach->mach_params.bt_link_mask);
+ mach->mach_params.bt_link_mask = 0;
+ }
+
+ /*
+ * Fixup tplg file name by appending dmic num, ssp num, codec/amplifier
+ * name string if quirk flag is set.
+ */
+ if (mach) {
+ bool tplg_fixup = false;
+ bool dmic_fixup = false;
+
+ /*
+ * If tplg file name is overridden, use it instead of
+ * the one set in mach table
+ */
+ if (!sof_pdata->tplg_filename) {
+ /* remove file extension if it exists */
+ tplg_filename = remove_file_ext(sdev->dev, mach->sof_tplg_filename);
+ if (!tplg_filename)
+ return NULL;
+
+ sof_pdata->tplg_filename = tplg_filename;
+ tplg_fixup = true;
+ }
+
+ /*
+ * Checking quirk mask integrity; some quirk flags could not be
+ * set concurrently.
+ */
+ if (tplg_fixup &&
+ check_tplg_quirk_mask(mach)) {
+ dev_err(sdev->dev, "Invalid tplg quirk mask 0x%x\n",
+ mach->tplg_quirk_mask);
+ return NULL;
+ }
+
+ /* report to machine driver if any DMICs are found */
+ mach->mach_params.dmic_num = check_dmic_num(sdev);
+
+ if (sdw_mach_found || mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER)
+ dmic_fixup = true;
+
+ if (tplg_fixup &&
+ dmic_fixup &&
+ mach->mach_params.dmic_num) {
+ tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "%s%s%d%s",
+ sof_pdata->tplg_filename,
+ i2s_mach_found ? "-dmic" : "-",
+ mach->mach_params.dmic_num,
+ "ch");
+ if (!tplg_filename)
+ return NULL;
+
+ sof_pdata->tplg_filename = tplg_filename;
+ }
+
+ if (mach->link_mask) {
+ mach->mach_params.links = mach->links;
+ mach->mach_params.link_mask = mach->link_mask;
+ }
+
+ /* report SSP link mask to machine driver */
+ mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_I2S);
+
+ if (tplg_fixup &&
+ mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
+ mach->mach_params.i2s_link_mask) {
+ const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
+ int ssp_num;
+ int mclk_mask;
+
+ if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
+ !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
+ dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
+
+ /* fls returns 1-based results, SSPs indices are 0-based */
+ ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
+
+ if (ssp_num >= chip->ssp_count) {
+ dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
+ ssp_num, chip->ssp_count);
+ return NULL;
+ }
+
+ tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "%s%s%d",
+ sof_pdata->tplg_filename,
+ "-ssp",
+ ssp_num);
+ if (!tplg_filename)
+ return NULL;
+
+ sof_pdata->tplg_filename = tplg_filename;
+
+ mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
+
+ if (mclk_mask < 0) {
+ dev_err(sdev->dev, "Invalid MCLK configuration\n");
+ return NULL;
+ }
+
+ dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
+
+ if (mclk_mask) {
+ dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
+ sdev->mclk_id_override = true;
+ sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
+ }
+ }
+
+ amp_type = snd_soc_acpi_intel_detect_amp_type(sdev->dev);
+ codec_type = snd_soc_acpi_intel_detect_codec_type(sdev->dev);
+ amp_name_valid = amp_type != CODEC_NONE && amp_type != codec_type;
+
+ if (tplg_fixup && amp_name_valid &&
+ mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_AMP_NAME) {
+ tplg_suffix = snd_soc_acpi_intel_get_amp_tplg_suffix(amp_type);
+ if (!tplg_suffix) {
+ dev_err(sdev->dev, "no tplg suffix found, amp %d\n",
+ amp_type);
+ return NULL;
+ }
+
+ tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "%s-%s",
+ sof_pdata->tplg_filename,
+ tplg_suffix);
+ if (!tplg_filename)
+ return NULL;
+
+ sof_pdata->tplg_filename = tplg_filename;
+ }
+
+
+ if (tplg_fixup &&
+ mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME &&
+ codec_type != CODEC_NONE) {
+ tplg_suffix = snd_soc_acpi_intel_get_codec_tplg_suffix(codec_type);
+ if (!tplg_suffix) {
+ dev_err(sdev->dev, "no tplg suffix found, codec %d\n",
+ codec_type);
+ return NULL;
+ }
+
+ tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "%s-%s",
+ sof_pdata->tplg_filename,
+ tplg_suffix);
+ if (!tplg_filename)
+ return NULL;
+
+ sof_pdata->tplg_filename = tplg_filename;
+ }
+
+ if (tplg_fixup) {
+ tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "%s%s",
+ sof_pdata->tplg_filename,
+ ".tplg");
+ if (!tplg_filename)
+ return NULL;
+
+ sof_pdata->tplg_filename = tplg_filename;
+ }
+
+ /* check if mclk_id should be modified from topology defaults */
+ if (mclk_id_override >= 0) {
+ dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
+ sdev->mclk_id_override = true;
+ sdev->mclk_id_quirk = mclk_id_override;
+ }
+ }
+
+ 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_GENERIC");
+
+int hda_register_clients(struct snd_sof_dev *sdev)
+{
+ return hda_probes_register(sdev);
+}
+
+void hda_unregister_clients(struct snd_sof_dev *sdev)
+{
+ hda_probes_unregister(sdev);
+}
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("SOF support for HDaudio platforms");
+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");
+MODULE_IMPORT_NS("SOUNDWIRE_INTEL");
+MODULE_IMPORT_NS("SND_SOC_SDW_UTILS");
+MODULE_IMPORT_NS("SND_SOC_SOF_HDA_MLINK");
+MODULE_IMPORT_NS("SND_SOC_SOF_INTEL_HDA_COMMON");
+MODULE_IMPORT_NS("SND_SOC_ACPI_INTEL_MATCH");
generated by cgit (git 2.34.1) at 2025-12-25 04:27:57 +0000