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-rw-r--r--sound/soc/sof/sof-audio.h211
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diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
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+++ b/sound/soc/sof/sof-audio.h
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+/* 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) 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 <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;
+ unsigned 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 id;
+
+ struct snd_soc_dapm_widget *widget;
+ struct list_head list; /* list in sdev widget list */
+
+ 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
+void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
+
+/*
+ * 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_dsp_d0i3_on_suspend(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