/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Greybus audio driver
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* Copyright 2015 Google Inc.
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* Copyright 2015 Linaro Ltd.
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*/
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#ifndef __LINUX_GBAUDIO_CODEC_H
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#define __LINUX_GBAUDIO_CODEC_H
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#include <linux/greybus.h>
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#include <sound/soc.h>
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#include <sound/jack.h>
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#define NAME_SIZE 32
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#define MAX_DAIS 2 /* APB1, APB2 */
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enum {
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APB1_PCM = 0,
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APB2_PCM,
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NUM_CODEC_DAIS,
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};
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/*
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* device_type should be same as defined in audio.h
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* (Android media layer)
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*/
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enum {
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GBAUDIO_DEVICE_NONE = 0x0,
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/* reserved bits */
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GBAUDIO_DEVICE_BIT_IN = 0x80000000,
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GBAUDIO_DEVICE_BIT_DEFAULT = 0x40000000,
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/* output devices */
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GBAUDIO_DEVICE_OUT_SPEAKER = 0x2,
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GBAUDIO_DEVICE_OUT_WIRED_HEADSET = 0x4,
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GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE = 0x8,
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/* input devices */
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GBAUDIO_DEVICE_IN_BUILTIN_MIC = GBAUDIO_DEVICE_BIT_IN | 0x4,
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GBAUDIO_DEVICE_IN_WIRED_HEADSET = GBAUDIO_DEVICE_BIT_IN | 0x10,
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};
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#define GBCODEC_JACK_MASK 0x0000FFFF
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#define GBCODEC_JACK_BUTTON_MASK 0xFFFF0000
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enum gbaudio_codec_state {
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GBAUDIO_CODEC_SHUTDOWN = 0,
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GBAUDIO_CODEC_STARTUP,
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GBAUDIO_CODEC_HWPARAMS,
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GBAUDIO_CODEC_PREPARE,
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GBAUDIO_CODEC_START,
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GBAUDIO_CODEC_STOP,
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};
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struct gbaudio_stream_params {
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int state;
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u8 sig_bits, channels;
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u32 format, rate;
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};
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struct gbaudio_codec_dai {
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int id;
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/* runtime params for playback/capture streams */
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struct gbaudio_stream_params params[2];
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struct list_head list;
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};
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struct gbaudio_codec_info {
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struct device *dev;
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struct snd_soc_component *component;
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struct list_head module_list;
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/* to maintain runtime stream params for each DAI */
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struct list_head dai_list;
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struct mutex lock;
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};
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struct gbaudio_widget {
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__u8 id;
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const char *name;
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struct list_head list;
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};
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struct gbaudio_control {
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__u8 id;
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char *name;
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char *wname;
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const char * const *texts;
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int items;
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struct list_head list;
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};
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struct gbaudio_data_connection {
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int id;
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__le16 data_cport;
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struct gb_connection *connection;
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struct list_head list;
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/* maintain runtime state for playback/capture stream */
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int state[2];
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};
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/* stream direction */
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#define GB_PLAYBACK BIT(0)
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#define GB_CAPTURE BIT(1)
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enum gbaudio_module_state {
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GBAUDIO_MODULE_OFF = 0,
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GBAUDIO_MODULE_ON,
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};
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struct gbaudio_jack {
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struct snd_soc_jack jack;
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struct list_head list;
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};
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struct gbaudio_module_info {
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/* module info */
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struct device *dev;
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int dev_id; /* check if it should be bundle_id/hd_cport_id */
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int vid;
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int pid;
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int type;
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int set_uevent;
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char vstr[NAME_SIZE];
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char pstr[NAME_SIZE];
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struct list_head list;
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/* need to share this info to above user space */
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int manager_id;
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char name[NAME_SIZE];
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unsigned int ip_devices;
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unsigned int op_devices;
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/* jack related */
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char jack_name[NAME_SIZE];
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char button_name[NAME_SIZE];
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int jack_type;
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int jack_mask;
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int button_mask;
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int button_status;
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struct gbaudio_jack headset;
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struct gbaudio_jack button;
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/* connection info */
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struct gb_connection *mgmt_connection;
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size_t num_data_connections;
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struct list_head data_list;
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/* topology related */
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int num_dais;
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int num_controls;
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int num_dapm_widgets;
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int num_dapm_routes;
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unsigned long dai_offset;
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unsigned long widget_offset;
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unsigned long control_offset;
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unsigned long route_offset;
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struct snd_kcontrol_new *controls;
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struct snd_soc_dapm_widget *dapm_widgets;
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struct snd_soc_dapm_route *dapm_routes;
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struct snd_soc_dai_driver *dais;
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struct list_head widget_list;
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struct list_head ctl_list;
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struct list_head widget_ctl_list;
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struct list_head jack_list;
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struct gb_audio_topology *topology;
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};
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int gbaudio_tplg_parse_data(struct gbaudio_module_info *module,
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struct gb_audio_topology *tplg_data);
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void gbaudio_tplg_release(struct gbaudio_module_info *module);
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int gbaudio_module_update(struct gbaudio_codec_info *codec,
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struct snd_soc_dapm_widget *w,
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struct gbaudio_module_info *module,
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int enable);
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int gbaudio_register_module(struct gbaudio_module_info *module);
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void gbaudio_unregister_module(struct gbaudio_module_info *module);
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/* protocol related */
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int gb_audio_gb_get_topology(struct gb_connection *connection,
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struct gb_audio_topology **topology);
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int gb_audio_gb_get_control(struct gb_connection *connection,
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u8 control_id, u8 index,
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struct gb_audio_ctl_elem_value *value);
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int gb_audio_gb_set_control(struct gb_connection *connection,
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u8 control_id, u8 index,
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struct gb_audio_ctl_elem_value *value);
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int gb_audio_gb_enable_widget(struct gb_connection *connection,
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u8 widget_id);
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int gb_audio_gb_disable_widget(struct gb_connection *connection,
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u8 widget_id);
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int gb_audio_gb_get_pcm(struct gb_connection *connection,
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u16 data_cport, u32 *format,
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u32 *rate, u8 *channels,
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u8 *sig_bits);
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int gb_audio_gb_set_pcm(struct gb_connection *connection,
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u16 data_cport, u32 format,
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u32 rate, u8 channels,
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u8 sig_bits);
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int gb_audio_gb_set_tx_data_size(struct gb_connection *connection,
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u16 data_cport, u16 size);
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int gb_audio_gb_activate_tx(struct gb_connection *connection,
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u16 data_cport);
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int gb_audio_gb_deactivate_tx(struct gb_connection *connection,
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u16 data_cport);
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int gb_audio_gb_set_rx_data_size(struct gb_connection *connection,
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u16 data_cport, u16 size);
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int gb_audio_gb_activate_rx(struct gb_connection *connection,
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u16 data_cport);
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int gb_audio_gb_deactivate_rx(struct gb_connection *connection,
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u16 data_cport);
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int gb_audio_apbridgea_set_config(struct gb_connection *connection,
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__u16 i2s_port, __u32 format,
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__u32 rate, __u32 mclk_freq);
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int gb_audio_apbridgea_register_cport(struct gb_connection *connection,
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__u16 i2s_port, __u16 cportid,
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__u8 direction);
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int gb_audio_apbridgea_unregister_cport(struct gb_connection *connection,
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__u16 i2s_port, __u16 cportid,
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__u8 direction);
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int gb_audio_apbridgea_set_tx_data_size(struct gb_connection *connection,
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__u16 i2s_port, __u16 size);
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int gb_audio_apbridgea_prepare_tx(struct gb_connection *connection,
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__u16 i2s_port);
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int gb_audio_apbridgea_start_tx(struct gb_connection *connection,
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__u16 i2s_port, __u64 timestamp);
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int gb_audio_apbridgea_stop_tx(struct gb_connection *connection,
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__u16 i2s_port);
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int gb_audio_apbridgea_shutdown_tx(struct gb_connection *connection,
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__u16 i2s_port);
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int gb_audio_apbridgea_set_rx_data_size(struct gb_connection *connection,
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__u16 i2s_port, __u16 size);
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int gb_audio_apbridgea_prepare_rx(struct gb_connection *connection,
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__u16 i2s_port);
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int gb_audio_apbridgea_start_rx(struct gb_connection *connection,
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__u16 i2s_port);
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int gb_audio_apbridgea_stop_rx(struct gb_connection *connection,
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__u16 i2s_port);
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int gb_audio_apbridgea_shutdown_rx(struct gb_connection *connection,
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__u16 i2s_port);
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#endif /* __LINUX_GBAUDIO_CODEC_H */
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