1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ 2 /* 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * Copyright(c) 2018 Intel Corporation. All rights reserved. 7 * 8 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> 9 */ 10 11 #ifndef __INCLUDE_SOUND_SOF_H 12 #define __INCLUDE_SOUND_SOF_H 13 14 #include <linux/pci.h> 15 #include <sound/soc.h> 16 #include <sound/soc-acpi.h> 17 18 struct snd_sof_dsp_ops; 19 20 /* 21 * SOF Platform data. 22 */ 23 struct snd_sof_pdata { 24 const struct firmware *fw; 25 const char *name; 26 const char *platform; 27 28 struct device *dev; 29 30 /* indicate how many first bytes shouldn't be loaded into DSP memory. */ 31 size_t fw_offset; 32 33 /* 34 * notification callback used if the hardware initialization 35 * can take time or is handled in a workqueue. This callback 36 * can be used by the caller to e.g. enable runtime_pm 37 * or limit functionality until all low-level inits are 38 * complete. 39 */ 40 void (*sof_probe_complete)(struct device *dev); 41 42 /* descriptor */ 43 const struct sof_dev_desc *desc; 44 45 /* firmware and topology filenames */ 46 const char *fw_filename_prefix; 47 const char *fw_filename; 48 const char *tplg_filename_prefix; 49 const char *tplg_filename; 50 51 /* machine */ 52 struct platform_device *pdev_mach; 53 const struct snd_soc_acpi_mach *machine; 54 55 void *hw_pdata; 56 }; 57 58 /* 59 * Descriptor used for setting up SOF platform data. This is used when 60 * ACPI/PCI data is missing or mapped differently. 61 */ 62 struct sof_dev_desc { 63 /* list of machines using this configuration */ 64 struct snd_soc_acpi_mach *machines; 65 66 /* alternate list of machines using this configuration */ 67 struct snd_soc_acpi_mach *alt_machines; 68 69 /* Platform resource indexes in BAR / ACPI resources. */ 70 /* Must set to -1 if not used - add new items to end */ 71 int resindex_lpe_base; 72 int resindex_pcicfg_base; 73 int resindex_imr_base; 74 int irqindex_host_ipc; 75 int resindex_dma_base; 76 77 /* DMA only valid when resindex_dma_base != -1*/ 78 int dma_engine; 79 int dma_size; 80 81 /* IPC timeouts in ms */ 82 int ipc_timeout; 83 int boot_timeout; 84 85 /* chip information for dsp */ 86 const void *chip_info; 87 88 /* defaults for no codec mode */ 89 const char *nocodec_tplg_filename; 90 91 /* defaults paths for firmware and topology files */ 92 const char *default_fw_path; 93 const char *default_tplg_path; 94 95 /* default firmware name */ 96 const char *default_fw_filename; 97 98 const struct snd_sof_dsp_ops *ops; 99 }; 100 101 int sof_nocodec_setup(struct device *dev, 102 const struct snd_sof_dsp_ops *ops); 103 #endif 104