[linux-2.6-block.git] / sound / soc / sof / intel / hda-bus.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.
//
// Authors: Keyon Jie <yang.jie@linux.intel.com>

#include <linux/io.h>
#include <sound/hdaudio.h>
#include "../sof-priv.h"
#include "hda.h"

#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
#define sof_hda_ext_ops	snd_soc_hdac_hda_get_ops()
#else
#define sof_hda_ext_ops	NULL
#endif

/*
 * This can be used for both with/without hda link support.
 */
void sof_hda_bus_init(struct hdac_bus *bus, struct device *dev)
{
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
	snd_hdac_ext_bus_init(bus, dev, NULL, sof_hda_ext_ops);
#else /* CONFIG_SND_SOC_SOF_HDA */
	memset(bus, 0, sizeof(*bus));
	bus->dev = dev;

	INIT_LIST_HEAD(&bus->stream_list);

	bus->irq = -1;

	/*
	 * There is only one HDA bus atm. keep the index as 0.
	 * Need to fix when there are more than one HDA bus.
	 */
	bus->idx = 0;

	spin_lock_init(&bus->reg_lock);
#endif /* CONFIG_SND_SOC_SOF_HDA */
}
Commit	Line	Data
78ad1f07 KJ	1	// SPDX-License-Identifier: (GPL-2.0 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	// Authors: Keyon Jie <yang.jie@linux.intel.com>
	9
	10	#include <linux/io.h>
	11	#include <sound/hdaudio.h>
	12	#include "../sof-priv.h"
	13	#include "hda.h"
	14
d4ff1b39 TI	15	#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
	16	#define sof_hda_ext_ops snd_soc_hdac_hda_get_ops()
	17	#else
	18	#define sof_hda_ext_ops NULL
78ad1f07 KJ	19	#endif
78ad1f07 KJ	20
78ad1f07 KJ	21	/*
	22	* This can be used for both with/without hda link support.
	23	*/
d4ff1b39	24	void sof_hda_bus_init(struct hdac_bus bus, struct device dev)
78ad1f07	25	{
d4ff1b39 TI	26	#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
	27	snd_hdac_ext_bus_init(bus, dev, NULL, sof_hda_ext_ops);
	28	#else /* CONFIG_SND_SOC_SOF_HDA */
78ad1f07 KJ	29	memset(bus, 0, sizeof(*bus));
	30	bus->dev = dev;
	31
78ad1f07 KJ	32	INIT_LIST_HEAD(&bus->stream_list);
	33
	34	bus->irq = -1;
d1a6459f ZY	35
	36	/*
	37	* There is only one HDA bus atm. keep the index as 0.
	38	* Need to fix when there are more than one HDA bus.
	39	*/
	40	bus->idx = 0;
78ad1f07 KJ	41
78ad1f07 KJ	42	spin_lock_init(&bus->reg_lock);
d4ff1b39	43	#endif /* CONFIG_SND_SOC_SOF_HDA */
78ad1f07	44	}