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Diffstat (limited to 'sound/soc/sof/sof-audio.h')
| -rw-r--r-- | sound/soc/sof/sof-audio.h | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h new file mode 100644 index 000000000..9f645a2e5 --- /dev/null +++ b/sound/soc/sof/sof-audio.h @@ -0,0 +1,225 @@ +/* SPDX-License-Identifier: (GPL-2.0-only 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) 2019 Intel Corporation. All rights reserved. + * + * Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> + */ + +#ifndef __SOUND_SOC_SOF_AUDIO_H +#define __SOUND_SOC_SOF_AUDIO_H + +#include <linux/workqueue.h> + +#include <sound/soc.h> +#include <sound/control.h> +#include <sound/sof/stream.h> /* needs to be included before control.h */ +#include <sound/sof/control.h> +#include <sound/sof/dai.h> +#include <sound/sof/topology.h> +#include "sof-priv.h" + +#define SOF_AUDIO_PCM_DRV_NAME "sof-audio-component" + +/* max number of FE PCMs before BEs */ +#define SOF_BE_PCM_BASE 16 + +#define DMA_CHAN_INVALID 0xFFFFFFFF + +/* PCM stream, mapped to FW component */ +struct snd_sof_pcm_stream { + u32 comp_id; + struct snd_dma_buffer page_table; + struct sof_ipc_stream_posn posn; + struct snd_pcm_substream *substream; + struct work_struct period_elapsed_work; + bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */ + /* + * flag to indicate that the DSP pipelines should be kept + * active or not while suspending the stream + */ + bool suspend_ignored; +}; + +/* ALSA SOF PCM device */ +struct snd_sof_pcm { + struct snd_soc_component *scomp; + struct snd_soc_tplg_pcm pcm; + struct snd_sof_pcm_stream stream[2]; + struct list_head list; /* list in sdev pcm list */ + struct snd_pcm_hw_params params[2]; + bool prepared[2]; /* PCM_PARAMS set successfully */ +}; + +struct snd_sof_led_control { + unsigned int use_led; + unsigned int direction; + int led_value; +}; + +/* ALSA SOF Kcontrol device */ +struct snd_sof_control { + struct snd_soc_component *scomp; + int comp_id; + int min_volume_step; /* min volume step for volume_table */ + int max_volume_step; /* max volume step for volume_table */ + int num_channels; + u32 readback_offset; /* offset to mmapped data if used */ + struct sof_ipc_ctrl_data *control_data; + u32 size; /* cdata size */ + enum sof_ipc_ctrl_cmd cmd; + u32 *volume_table; /* volume table computed from tlv data*/ + + struct list_head list; /* list in sdev control list */ + + struct snd_sof_led_control led_ctl; +}; + +/* ASoC SOF DAPM widget */ +struct snd_sof_widget { + struct snd_soc_component *scomp; + int comp_id; + int pipeline_id; + int complete; + int core; + int id; + + struct snd_soc_dapm_widget *widget; + struct list_head list; /* list in sdev widget list */ + + /* extended data for UUID components */ + struct sof_ipc_comp_ext comp_ext; + + void *private; /* core does not touch this */ +}; + +/* ASoC SOF DAPM route */ +struct snd_sof_route { + struct snd_soc_component *scomp; + + struct snd_soc_dapm_route *route; + struct list_head list; /* list in sdev route list */ + + void *private; +}; + +/* ASoC DAI device */ +struct snd_sof_dai { + struct snd_soc_component *scomp; + const char *name; + const char *cpu_dai_name; + + struct sof_ipc_comp_dai comp_dai; + struct sof_ipc_dai_config *dai_config; + struct list_head list; /* list in sdev dai list */ +}; + +/* + * Kcontrols. + */ + +int snd_sof_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_sof_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_sof_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_sof_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_sof_enum_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_sof_enum_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_sof_bytes_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_sof_bytes_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, + const unsigned int __user *binary_data, + unsigned int size); +int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, + unsigned int __user *binary_data, + unsigned int size); +int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data, + unsigned int size); + +/* + * Topology. + * There is no snd_sof_free_topology since topology components will + * be freed by snd_soc_unregister_component, + */ +int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file); +int snd_sof_complete_pipeline(struct device *dev, + struct snd_sof_widget *swidget); + +int sof_load_pipeline_ipc(struct device *dev, + struct sof_ipc_pipe_new *pipeline, + struct sof_ipc_comp_reply *r); +int sof_pipeline_core_enable(struct snd_sof_dev *sdev, + const struct snd_sof_widget *swidget); + +/* + * Stream IPC + */ +int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp, + struct snd_sof_pcm *spcm, int direction, + struct sof_ipc_stream_posn *posn); + +struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp, + const char *name); +struct snd_sof_widget * +snd_sof_find_swidget_sname(struct snd_soc_component *scomp, + const char *pcm_name, int dir); +struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp, + const char *name); + +static inline +struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp, + struct snd_soc_pcm_runtime *rtd) +{ + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); + + struct snd_sof_pcm *spcm = NULL; + + list_for_each_entry(spcm, &sdev->pcm_list, list) { + if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id) + return spcm; + } + + return NULL; +} + +struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp, + const char *name); +struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp, + unsigned int comp_id, + int *direction); +struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp, + unsigned int pcm_id); +const struct sof_ipc_pipe_new *snd_sof_pipeline_find(struct snd_sof_dev *sdev, + int pipeline_id); +void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream); +void snd_sof_pcm_period_elapsed_work(struct work_struct *work); + +/* + * Mixer IPC + */ +int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol, + u32 ipc_cmd, + enum sof_ipc_ctrl_type ctrl_type, + enum sof_ipc_ctrl_cmd ctrl_cmd, + bool send); + +/* PM */ +int sof_restore_pipelines(struct device *dev); +int sof_set_hw_params_upon_resume(struct device *dev); +bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev); +bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev); + +/* Machine driver enumeration */ +int sof_machine_register(struct snd_sof_dev *sdev, void *pdata); +void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata); + +#endif |