/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_POWER_H
#define __USBAUDIO_POWER_H

struct snd_usb_power_domain {
        int pd_id;              /* UAC3 Power Domain ID */
        int pd_d1d0_rec;        /* D1 to D0 recovery time */
        int pd_d2d0_rec;        /* D2 to D0 recovery time */
        struct usb_host_interface *ctrl_iface; /* Control interface */
};

enum {
        UAC3_PD_STATE_D0,
        UAC3_PD_STATE_D1,
        UAC3_PD_STATE_D2,
};

int snd_usb_power_domain_set(struct snd_usb_audio *chip,
                             struct snd_usb_power_domain *pd,
                             unsigned char state);
struct snd_usb_power_domain *
snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface,
                          unsigned char id);

int snd_usb_autoresume(struct snd_usb_audio *chip);
void snd_usb_autosuspend(struct snd_usb_audio *chip);

#endif /* __USBAUDIO_POWER_H */