diff options
Diffstat (limited to 'sound/soc/sof/intel/lnl.c')
| -rw-r--r-- | sound/soc/sof/intel/lnl.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/lnl.c b/sound/soc/sof/intel/lnl.c new file mode 100644 index 000000000000..2f3222040f98 --- /dev/null +++ b/sound/soc/sof/intel/lnl.c @@ -0,0 +1,189 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// Copyright(c) 2023 Intel Corporation + +/* + * Hardware interface for audio DSP on LunarLake. + */ + +#include <linux/debugfs.h> +#include <linux/firmware.h> +#include <sound/hda_register.h> +#include <sound/sof/ipc4/header.h> +#include <trace/events/sof_intel.h> +#include "../ipc4-priv.h" +#include "../ops.h" +#include "hda.h" +#include "hda-ipc.h" +#include "../sof-audio.h" +#include "mtl.h" +#include "lnl.h" +#include <sound/hda-mlink.h> + +/* this helps allows the DSP to setup DMIC/SSP */ +static int hdac_bus_offload_dmic_ssp(struct hdac_bus *bus, bool enable) +{ + int ret; + + ret = hdac_bus_eml_enable_offload(bus, true, + AZX_REG_ML_LEPTR_ID_INTEL_SSP, enable); + if (ret < 0) + return ret; + + ret = hdac_bus_eml_enable_offload(bus, true, + AZX_REG_ML_LEPTR_ID_INTEL_DMIC, enable); + if (ret < 0) + return ret; + + return 0; +} + +static int lnl_hda_dsp_probe(struct snd_sof_dev *sdev) +{ + int ret; + + ret = hda_dsp_probe(sdev); + if (ret < 0) + return ret; + + return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev), true); +} + +static void lnl_hda_dsp_remove(struct snd_sof_dev *sdev) +{ + int ret; + + ret = hdac_bus_offload_dmic_ssp(sof_to_bus(sdev), false); + if (ret < 0) + dev_warn(sdev->dev, + "Failed to disable offload for DMIC/SSP: %d\n", ret); + + hda_dsp_remove(sdev); +} + +static int lnl_hda_dsp_resume(struct snd_sof_dev *sdev) +{ + int ret; + + ret = hda_dsp_resume(sdev); + if (ret < 0) + return ret; + + return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev), true); +} + +static int lnl_hda_dsp_runtime_resume(struct snd_sof_dev *sdev) +{ + int ret; + + ret = hda_dsp_runtime_resume(sdev); + if (ret < 0) + return ret; + + return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev), true); +} + +static int lnl_dsp_post_fw_run(struct snd_sof_dev *sdev) +{ + if (sdev->first_boot) { + struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; + + /* Check if IMR boot is usable */ + if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT)) { + hda->imrboot_supported = true; + debugfs_create_bool("skip_imr_boot", + 0644, sdev->debugfs_root, + &hda->skip_imr_boot); + } + } + + return 0; +} + +int sof_lnl_set_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *dsp_ops) +{ + int ret; + + ret = sof_mtl_set_ops(sdev, dsp_ops); + if (ret) + return ret; + + /* probe/remove */ + if (!sdev->dspless_mode_selected) { + dsp_ops->probe = lnl_hda_dsp_probe; + dsp_ops->remove = lnl_hda_dsp_remove; + } + + /* post fw run */ + dsp_ops->post_fw_run = lnl_dsp_post_fw_run; + + /* PM */ + if (!sdev->dspless_mode_selected) { + dsp_ops->resume = lnl_hda_dsp_resume; + dsp_ops->runtime_resume = lnl_hda_dsp_runtime_resume; + } + + return 0; +} +EXPORT_SYMBOL_NS(sof_lnl_set_ops, "SND_SOC_SOF_INTEL_LNL"); + +/* Check if an SDW IRQ occurred */ +bool lnl_dsp_check_sdw_irq(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + return hdac_bus_eml_check_interrupt(bus, true, AZX_REG_ML_LEPTR_ID_SDW); +} +EXPORT_SYMBOL_NS(lnl_dsp_check_sdw_irq, "SND_SOC_SOF_INTEL_LNL"); + +int lnl_dsp_disable_interrupts(struct snd_sof_dev *sdev) +{ + mtl_disable_ipc_interrupts(sdev); + return mtl_enable_interrupts(sdev, false); +} +EXPORT_SYMBOL_NS(lnl_dsp_disable_interrupts, "SND_SOC_SOF_INTEL_LNL"); + +bool lnl_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + u16 wake_sts; + + /* + * we need to use the global HDaudio WAKEEN/STS to be able to + * detect wakes in low-power modes. The link-specific information + * is handled in the process_wakeen() helper, this helper only + * detects a SoundWire wake without identifying the link. + */ + wake_sts = snd_hdac_chip_readw(bus, STATESTS); + + /* filter out the range of SDIs that can be set for SoundWire */ + return wake_sts & GENMASK(SDW_MAX_DEVICES, SDW_INTEL_DEV_NUM_IDA_MIN); +} +EXPORT_SYMBOL_NS(lnl_sdw_check_wakeen_irq, "SND_SOC_SOF_INTEL_LNL"); + +const struct sof_intel_dsp_desc lnl_chip_info = { + .cores_num = 5, + .init_core_mask = BIT(0), + .host_managed_cores_mask = BIT(0), + .ipc_req = MTL_DSP_REG_HFIPCXIDR, + .ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY, + .ipc_ack = MTL_DSP_REG_HFIPCXIDA, + .ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE, + .ipc_ctl = MTL_DSP_REG_HFIPCXCTL, + .rom_status_reg = LNL_DSP_REG_HFDSC, + .rom_init_timeout = 300, + .ssp_count = MTL_SSP_COUNT, + .d0i3_offset = MTL_HDA_VS_D0I3C, + .read_sdw_lcount = hda_sdw_check_lcount_ext, + .check_sdw_irq = lnl_dsp_check_sdw_irq, + .check_sdw_wakeen_irq = lnl_sdw_check_wakeen_irq, + .sdw_process_wakeen = hda_sdw_process_wakeen_common, + .check_ipc_irq = mtl_dsp_check_ipc_irq, + .cl_init = mtl_dsp_cl_init, + .power_down_dsp = mtl_power_down_dsp, + .disable_interrupts = lnl_dsp_disable_interrupts, + .hw_ip_version = SOF_INTEL_ACE_2_0, +}; + +MODULE_IMPORT_NS("SND_SOC_SOF_INTEL_MTL"); +MODULE_IMPORT_NS("SND_SOC_SOF_HDA_MLINK"); |