110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
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/*
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* Copyright (c) 2022, sakumisu
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef USBH_AUDIO_H
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#define USBH_AUDIO_H
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#include "rtthread.h"
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#include "include/rttusb_host.h"
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#include "uaudioreg.h"
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#include "dev/usb/hgusb20_v1_dev_api.h"
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#include "dev/usb/usb11_v0/hgusb11_v0_host_api.h"
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#include "lib/audio/uac/uac_host.h"
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#include "audio_usbh_msi.h"
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#ifndef CONFIG_USBHOST_MAX_AUDIO_CLASS
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#define CONFIG_USBHOST_MAX_AUDIO_CLASS 1
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#endif
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#define CONFIG_USBHOST_MAX_INTF_ALTSETTINGS 8
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#define CONFIG_USBHOST_DEV_NAMELEN 16
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struct usbh_audio_format_type {
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rt_uint8_t channels;
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rt_uint8_t format_type;
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rt_uint8_t bitresolution;
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rt_uint8_t sampfreq_num;
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rt_uint32_t sampfreq[3];
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};
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/**
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* bSourceID in feature_unit = input_terminal_id
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* bSourceID in output_terminal = feature_unit_id
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* terminal_link_id = input_terminal_id or output_terminal_id (if input_terminal_type or output_terminal_type is 0x0101)
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*
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*
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*/
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struct usbh_audio_module {
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const char *name;
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rt_uint8_t data_intf;
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rt_uint8_t input_terminal_id;
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rt_uint16_t input_terminal_type;
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rt_uint16_t input_channel_config;
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rt_uint8_t output_terminal_id;
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rt_uint16_t output_terminal_type;
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rt_uint8_t feature_unit_id;
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rt_uint8_t feature_unit_controlsize;
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rt_uint8_t feature_unit_controls[8];
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rt_uint8_t terminal_link_id;
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struct usbh_audio_format_type altsetting[CONFIG_USBHOST_MAX_INTF_ALTSETTINGS];
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};
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struct usbh_audio {
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//struct usbh_hubport *hport;
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struct uinstance* device;
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char devname[CONFIG_USBHOST_DEV_NAMELEN];
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struct uendpoint_descriptor isoin; /* ISO IN endpoint */
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struct uendpoint_descriptor isoout; /* ISO OUT endpoint */
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upipe_t pipe_in;
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upipe_t pipe_out;
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rt_uint8_t ctrl_intf; /* interface number */
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rt_uint8_t minor;
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rt_uint16_t isoin_mps;
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rt_uint16_t isoout_mps;
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bool is_opened;
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rt_uint16_t bcdADC;
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rt_uint8_t bInCollection;
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rt_uint8_t num_of_intf_altsettings;
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struct usbh_audio_module module[2];
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rt_uint8_t module_num;
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rt_uint8_t *rx_buff;
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void *user_data;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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int usbh_audio_open(struct usbh_audio *audio_class, const char *name, rt_uint32_t samp_freq);
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int usbh_audio_close(struct usbh_audio *audio_class, const char *name);
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int usbh_audio_get_min_volume(struct usbh_audio *audio_class, const char *name, rt_uint16_t *min_volume);
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int usbh_audio_get_max_volume(struct usbh_audio *audio_class, const char *name, rt_uint16_t *max_volume);
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int usbh_audio_get_cur_volume(struct usbh_audio *audio_class, const char *name, rt_uint16_t *cur_volume);
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int usbh_audio_get_res_volume(struct usbh_audio *audio_class, const char *name, rt_uint16_t *res_volume);
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int usbh_audio_set_volume(struct usbh_audio *audio_class, const char *name, rt_uint16_t volume_hex);
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int usbh_audio_set_volume_db(struct usbh_audio *audio_class, const char *name, int volume_db, int min_volume_db, int max_volume_db);
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int usbh_audio_set_mute(struct usbh_audio *audio_class, const char *name, bool mute);
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void rtt_usbh_audio_irq(void * dev, rt_uint32_t irq, rt_uint8_t ep);
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rt_uint32_t rtt_usbh_audio_dev_pipe_mange(rt_uint8_t dev_num, const char *name, rt_uint8_t alloc_or_free);
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rt_uint32_t rtt_usbh_audio_user_open();
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rt_uint32_t rtt_usbh_audio_user_close();
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rt_uint32_t rtt_usbh_audio_user_stop();
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rt_uint32_t rtt_usbh_audio_user_start();
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void usbh_audio_run(struct usbh_audio *audio_class);
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void usbh_audio_stop(struct usbh_audio *audio_class);
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#ifdef __cplusplus
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}
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#endif
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#endif /* USBH_AUDIO_H */
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