Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/sound/sof.h b/include/sound/sof.h
new file mode 100644
index 0000000..4640566
--- /dev/null
+++ b/include/sound/sof.h
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: (GPL-2.0 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. All rights reserved.
+ *
+ * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
+ */
+
+#ifndef __INCLUDE_SOUND_SOF_H
+#define __INCLUDE_SOUND_SOF_H
+
+#include <linux/pci.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+
+struct snd_sof_dsp_ops;
+
+/*
+ * SOF Platform data.
+ */
+struct snd_sof_pdata {
+ const struct firmware *fw;
+ const char *drv_name;
+ const char *name;
+ const char *platform;
+
+ struct device *dev;
+
+ /*
+ * notification callback used if the hardware initialization
+ * can take time or is handled in a workqueue. This callback
+ * can be used by the caller to e.g. enable runtime_pm
+ * or limit functionality until all low-level inits are
+ * complete.
+ */
+ void (*sof_probe_complete)(struct device *dev);
+
+ /* descriptor */
+ const struct sof_dev_desc *desc;
+
+ /* firmware and topology filenames */
+ const char *fw_filename_prefix;
+ const char *fw_filename;
+ const char *tplg_filename_prefix;
+ const char *tplg_filename;
+
+ /* machine */
+ struct platform_device *pdev_mach;
+ const struct snd_soc_acpi_mach *machine;
+
+ void *hw_pdata;
+};
+
+/*
+ * Descriptor used for setting up SOF platform data. This is used when
+ * ACPI/PCI data is missing or mapped differently.
+ */
+struct sof_dev_desc {
+ /* list of machines using this configuration */
+ struct snd_soc_acpi_mach *machines;
+
+ /* Platform resource indexes in BAR / ACPI resources. */
+ /* Must set to -1 if not used - add new items to end */
+ int resindex_lpe_base;
+ int resindex_pcicfg_base;
+ int resindex_imr_base;
+ int irqindex_host_ipc;
+ int resindex_dma_base;
+
+ /* DMA only valid when resindex_dma_base != -1*/
+ int dma_engine;
+ int dma_size;
+
+ /* IPC timeouts in ms */
+ int ipc_timeout;
+ int boot_timeout;
+
+ /* chip information for dsp */
+ const void *chip_info;
+
+ /* defaults for no codec mode */
+ const char *nocodec_fw_filename;
+ const char *nocodec_tplg_filename;
+
+ /* defaults paths for firmware and topology files */
+ const char *default_fw_path;
+ const char *default_tplg_path;
+
+ const struct snd_sof_dsp_ops *ops;
+ const struct sof_arch_ops *arch_ops;
+};
+
+int sof_nocodec_setup(struct device *dev,
+ struct snd_sof_pdata *sof_pdata,
+ struct snd_soc_acpi_mach *mach,
+ const struct sof_dev_desc *desc,
+ const struct snd_sof_dsp_ops *ops);
+#endif