mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 10:49:33 +00:00
![Liam Girdwood](/assets/img/avatar_default.png)
Add a simple "fallback" machine driver that can be used to enable SOF on boards with no codec device. This machine driver can also be forced for debug/development. Signed-off-by: Keyon Jie <yang.jie@linux.intel.com> Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Mark Brown <broonie@kernel.org>
100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
/* 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
|