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// 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);
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