diff options
Diffstat (limited to 'sound/soc/sof/intel/lnl.c')
| -rw-r--r-- | sound/soc/sof/intel/lnl.c | 188 |
1 files changed, 188 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..db94b45e53af --- /dev/null +++ b/sound/soc/sof/intel/lnl.c @@ -0,0 +1,188 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// Copyright(c) 2023 Intel Corporation. All rights reserved. + +/* + * Hardware interface for audio DSP on LunarLake. + */ + +#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 <sound/hda-mlink.h> + +/* LunarLake ops */ +struct snd_sof_dsp_ops sof_lnl_ops; +EXPORT_SYMBOL_NS(sof_lnl_ops, SND_SOC_SOF_INTEL_HDA_COMMON); + +static const struct snd_sof_debugfs_map lnl_dsp_debugfs[] = { + {"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS}, + {"pp", HDA_DSP_PP_BAR, 0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS}, + {"dsp", HDA_DSP_BAR, 0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS}, +}; + +/* this helps allows the DSP to setup DMIC/SSP */ +static int hdac_bus_offload_dmic_ssp(struct hdac_bus *bus) +{ + int ret; + + ret = hdac_bus_eml_enable_offload(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_SSP, true); + if (ret < 0) + return ret; + + ret = hdac_bus_eml_enable_offload(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_DMIC, true); + 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)); +} + +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)); +} + +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)); +} + +int sof_lnl_ops_init(struct snd_sof_dev *sdev) +{ + struct sof_ipc4_fw_data *ipc4_data; + + /* common defaults */ + memcpy(&sof_lnl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops)); + + /* probe */ + sof_lnl_ops.probe = lnl_hda_dsp_probe; + + /* shutdown */ + sof_lnl_ops.shutdown = hda_dsp_shutdown; + + /* doorbell */ + sof_lnl_ops.irq_thread = mtl_ipc_irq_thread; + + /* ipc */ + sof_lnl_ops.send_msg = mtl_ipc_send_msg; + sof_lnl_ops.get_mailbox_offset = mtl_dsp_ipc_get_mailbox_offset; + sof_lnl_ops.get_window_offset = mtl_dsp_ipc_get_window_offset; + + /* debug */ + sof_lnl_ops.debug_map = lnl_dsp_debugfs; + sof_lnl_ops.debug_map_count = ARRAY_SIZE(lnl_dsp_debugfs); + sof_lnl_ops.dbg_dump = mtl_dsp_dump; + sof_lnl_ops.ipc_dump = mtl_ipc_dump; + + /* pre/post fw run */ + sof_lnl_ops.pre_fw_run = mtl_dsp_pre_fw_run; + sof_lnl_ops.post_fw_run = mtl_dsp_post_fw_run; + + /* parse platform specific extended manifest */ + sof_lnl_ops.parse_platform_ext_manifest = NULL; + + /* dsp core get/put */ + /* TODO: add core_get and core_put */ + + /* PM */ + sof_lnl_ops.resume = lnl_hda_dsp_resume; + sof_lnl_ops.runtime_resume = lnl_hda_dsp_runtime_resume; + + sof_lnl_ops.get_stream_position = mtl_dsp_get_stream_hda_link_position; + + sdev->private = devm_kzalloc(sdev->dev, sizeof(struct sof_ipc4_fw_data), GFP_KERNEL); + if (!sdev->private) + return -ENOMEM; + + ipc4_data = sdev->private; + ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET; + + ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2; + + /* External library loading support */ + ipc4_data->load_library = hda_dsp_ipc4_load_library; + + /* set DAI ops */ + hda_set_dai_drv_ops(sdev, &sof_lnl_ops); + + sof_lnl_ops.set_power_state = hda_dsp_set_power_state_ipc4; + + return 0; +}; +EXPORT_SYMBOL_NS(sof_lnl_ops_init, SND_SOC_SOF_INTEL_HDA_COMMON); + +/* Check if an SDW IRQ occurred */ +static 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); +} + +static void lnl_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + + hdac_bus_eml_enable_interrupt(bus, true, AZX_REG_ML_LEPTR_ID_SDW, enable); +} + +static int lnl_dsp_disable_interrupts(struct snd_sof_dev *sdev) +{ + lnl_enable_sdw_irq(sdev, false); + mtl_disable_ipc_interrupts(sdev); + return mtl_enable_interrupts(sdev, false); +} + +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 = MTL_DSP_ROM_STS, + .rom_init_timeout = 300, + .ssp_count = MTL_SSP_COUNT, + .d0i3_offset = MTL_HDA_VS_D0I3C, + .read_sdw_lcount = hda_sdw_check_lcount_ext, + .enable_sdw_irq = lnl_enable_sdw_irq, + .check_sdw_irq = lnl_dsp_check_sdw_irq, + .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, +}; +EXPORT_SYMBOL_NS(lnl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON); |