ASoC: SOF: Intel: LNL: Add support for Lunarlake platform

Add initial support for Lunarlake. For now only HDAudio interfaces are
supported, DMIC/SSP/SoundWire require additional work so that the DAIs
reuse the HDaudio DMA stream allocation.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20230807210959.506849-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/intel/Kconfig b/sound/soc/sof/intel/Kconfig
index 69c1a37..9d01079 100644 (file)
--- a/sound/soc/sof/intel/Kconfig
+++ b/sound/soc/sof/intel/Kconfig
@@ -262,6 +262,22 @@ config SND_SOC_SOF_METEORLAKE
          Say Y if you have such a device.
          If unsure select "N".
 
+config SND_SOC_SOF_INTEL_LNL
+       tristate
+       select SND_SOC_SOF_HDA_COMMON
+       select SND_SOC_SOF_INTEL_SOUNDWIRE_LINK_BASELINE
+       select SND_SOC_SOF_INTEL_IPC4
+
+config SND_SOC_SOF_LUNARLAKE
+       tristate "SOF support for Lunarlake"
+       default SND_SOC_SOF_PCI
+       select SND_SOC_SOF_INTEL_LNL
+       help
+         This adds support for Sound Open Firmware for Intel(R) platforms
+         using the Lunarlake processors.
+         Say Y if you have such a device.
+         If unsure select "N".
+
 config SND_SOC_SOF_HDA_COMMON
        tristate
        select SND_SOC_SOF_INTEL_COMMON

diff --git a/sound/soc/sof/intel/Makefile b/sound/soc/sof/intel/Makefile
index fdb463c..030574d 100644 (file)
--- a/sound/soc/sof/intel/Makefile
+++ b/sound/soc/sof/intel/Makefile
@@ -7,7 +7,7 @@ snd-sof-intel-hda-common-objs := hda.o hda-loader.o hda-stream.o hda-trace.o \
                                 hda-dsp.o hda-ipc.o hda-ctrl.o hda-pcm.o \
                                 hda-dai.o hda-dai-ops.o hda-bus.o \
                                 skl.o hda-loader-skl.o \
-                                apl.o cnl.o tgl.o icl.o mtl.o hda-common-ops.o
+                                apl.o cnl.o tgl.o icl.o mtl.o lnl.o hda-common-ops.o
 
 snd-sof-intel-hda-mlink-objs := hda-mlink.o
 
@@ -31,6 +31,7 @@ snd-sof-pci-intel-cnl-objs := pci-cnl.o
 snd-sof-pci-intel-icl-objs := pci-icl.o
 snd-sof-pci-intel-tgl-objs := pci-tgl.o
 snd-sof-pci-intel-mtl-objs := pci-mtl.o
+snd-sof-pci-intel-lnl-objs := pci-lnl.o
 
 obj-$(CONFIG_SND_SOC_SOF_MERRIFIELD) += snd-sof-pci-intel-tng.o
 obj-$(CONFIG_SND_SOC_SOF_INTEL_SKL) += snd-sof-pci-intel-skl.o
@@ -39,3 +40,4 @@ obj-$(CONFIG_SND_SOC_SOF_INTEL_CNL) += snd-sof-pci-intel-cnl.o
 obj-$(CONFIG_SND_SOC_SOF_INTEL_ICL) += snd-sof-pci-intel-icl.o
 obj-$(CONFIG_SND_SOC_SOF_INTEL_TGL) += snd-sof-pci-intel-tgl.o
 obj-$(CONFIG_SND_SOC_SOF_INTEL_MTL) += snd-sof-pci-intel-mtl.o
+obj-$(CONFIG_SND_SOC_SOF_INTEL_LNL) += snd-sof-pci-intel-lnl.o

diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 3f7c6fb..fae3be2 100644 (file)
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -856,6 +856,7 @@ extern const struct sof_intel_dsp_desc ehl_chip_info;
 extern const struct sof_intel_dsp_desc jsl_chip_info;
 extern const struct sof_intel_dsp_desc adls_chip_info;
 extern const struct sof_intel_dsp_desc mtl_chip_info;
+extern const struct sof_intel_dsp_desc lnl_chip_info;
 
 /* Probes support */
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_PROBES)

diff --git a/sound/soc/sof/intel/lnl.c b/sound/soc/sof/intel/lnl.c
new file mode 100644 (file)
index 0000000..535a0fd
--- /dev/null
+++ b/sound/soc/sof/intel/lnl.c
@@ -0,0 +1,66 @@
+// 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 "hda.h"
+#include <sound/hda-mlink.h>
+
+/* 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);

diff --git a/sound/soc/sof/intel/pci-lnl.c b/sound/soc/sof/intel/pci-lnl.c
new file mode 100644 (file)
index 0000000..55c7577
--- /dev/null
+++ b/sound/soc/sof/intel/pci-lnl.c
@@ -0,0 +1,72 @@
+// 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) 2023 Intel Corporation. All rights reserved.
+//
+// Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
+//
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <sound/soc-acpi.h>
+#include <sound/soc-acpi-intel-match.h>
+#include <sound/sof.h>
+#include "../ops.h"
+#include "../sof-pci-dev.h"
+
+/* platform specific devices */
+#include "hda.h"
+#include "mtl.h"
+
+static const struct sof_dev_desc lnl_desc = {
+       .use_acpi_target_states = true,
+       .machines               = snd_soc_acpi_intel_lnl_machines,
+       .alt_machines           = snd_soc_acpi_intel_lnl_sdw_machines,
+       .resindex_lpe_base      = 0,
+       .resindex_pcicfg_base   = -1,
+       .resindex_imr_base      = -1,
+       .irqindex_host_ipc      = -1,
+       .chip_info              = &lnl_chip_info,
+       .ipc_supported_mask     = BIT(SOF_INTEL_IPC4),
+       .ipc_default            = SOF_INTEL_IPC4,
+       .dspless_mode_supported = true,
+       .default_fw_path = {
+               [SOF_INTEL_IPC4] = "intel/sof-ipc4/lnl",
+       },
+       .default_tplg_path = {
+               [SOF_INTEL_IPC4] = "intel/sof-ace-tplg",
+       },
+       .default_fw_filename = {
+               [SOF_INTEL_IPC4] = "sof-lnl.ri",
+       },
+       .nocodec_tplg_filename = "sof-lnl-nocodec.tplg",
+       /* the MTL ops are still used for now */
+       .ops = &sof_mtl_ops,
+       .ops_init = sof_mtl_ops_init,
+};
+
+/* PCI IDs */
+static const struct pci_device_id sof_pci_ids[] = {
+       { PCI_DEVICE_DATA(INTEL, HDA_LNL_P, &lnl_desc) }, /* LNL-P */
+       { 0, }
+};
+MODULE_DEVICE_TABLE(pci, sof_pci_ids);
+
+/* pci_driver definition */
+static struct pci_driver snd_sof_pci_intel_lnl_driver = {
+       .name = "sof-audio-pci-intel-lnl",
+       .id_table = sof_pci_ids,
+       .probe = hda_pci_intel_probe,
+       .remove = sof_pci_remove,
+       .shutdown = sof_pci_shutdown,
+       .driver = {
+               .pm = &sof_pci_pm,
+       },
+};
+module_pci_driver(snd_sof_pci_intel_lnl_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HDA_COMMON);
+MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);