4a2649332e
This change adds below support for BT advance audio * Add support for codec type mixer control * Update slim driver to read master id, channel number. * Update slim driver to support HW EP. * Add support for transport switch based on the request CRs-Fixed: 3298745 Change-Id: Ica349cb6f3615f4dc51bbc3070c90d43eeba1cdd
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef __LINUX_BTFM_CODEC_HW_INTERFACE_H
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#define __LINUX_BTFM_CODEC_HW_INTERFACE_H
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#include <linux/kernel.h>
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#include <linux/bitops.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <sound/tlv.h>
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/* This flag is set to indicate btfm codec driver is
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* responsible to configure master.
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*/
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#define BTADV_AUDIO_MASTER_CONFIG 0
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#define DEVICE_NAME_MAX_LEN 64
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struct hwep_configurations {
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void *btfmcodec;
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uint8_t stream_id;
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uint32_t sample_rate;
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uint8_t bit_width;
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uint8_t codectype;
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uint32_t direction;
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struct list_head dai_list;
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};
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struct master_hwep_configurations {
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uint8_t stream_id;
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uint32_t device_id;
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uint32_t sample_rate;
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uint8_t bit_width;
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uint8_t num_channels;
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uint8_t chan_num;
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uint8_t codectype;
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uint16_t direction;
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};
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struct hwep_comp_drv {
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int (*hwep_probe) (struct snd_soc_component *);
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void (*hwep_remove) (struct snd_soc_component *);
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unsigned int (*hwep_read)(struct snd_soc_component *, unsigned int );
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int (*hwep_write)(struct snd_soc_component *, unsigned int,
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unsigned int);
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};
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struct hwep_dai_ops {
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int (*hwep_startup)(void *);
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void (*hwep_shutdown)(void *, int);
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int (*hwep_hw_params)(void *, uint32_t, uint32_t);
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int (*hwep_prepare)(void *, uint32_t, uint32_t, int);
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int (*hwep_set_channel_map)(void *, unsigned int, unsigned int *,
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unsigned int, unsigned int *);
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int (*hwep_get_channel_map)(void *, unsigned int *, unsigned int *,
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unsigned int *, unsigned int *, int);
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int (*hwep_get_configs)(void *, struct master_hwep_configurations *,
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uint8_t);
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uint8_t *hwep_codectype;
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};
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struct hwep_dai_driver {
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const char *dai_name;
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unsigned int id;
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struct snd_soc_pcm_stream capture;
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struct snd_soc_pcm_stream playback;
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struct hwep_dai_ops *dai_ops;
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};
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struct hwep_data {
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struct device *dev;
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char driver_name [DEVICE_NAME_MAX_LEN];
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struct hwep_comp_drv *drv;
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struct hwep_dai_driver *dai_drv;
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struct snd_kcontrol_new *mixer_ctrl;
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int num_dai;
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int num_mixer_ctrl;
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unsigned long flags;
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};
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int btfmcodec_register_hw_ep(struct hwep_data *);
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int btfmcodec_unregister_hw_ep(char *);
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// ToDo below.
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/*
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#if IS_ENABLED(CONFIG_SLIM_BTFM_CODEC_DRV)
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int btfmcodec_register_hw_ep(struct hwep_data *);
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int btfmcodec_unregister_hw_ep(char *);
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#else
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static inline int btfmcodec_register_hw_ep(struct hwep_data *hwep_info)
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{
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return -EOPNOTSUPP;
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}
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static inline int btfmcodec_unregister_hw_ep(char *dev_name)
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{
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return -EOPNOTSUPP;
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}
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#endif
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*/
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#endif /*__LINUX_BTFM_CODEC_HW_INTERFACE_H */
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