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Diffstat (limited to 'include/sound/sof.h')
-rw-r--r-- | include/sound/sof.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/sound/sof.h b/include/sound/sof.h new file mode 100644 index 000000000000..4640566b54fe --- /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 |