^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __USBMIXER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __USBMIXER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <sound/info.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) struct media_mixer_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) struct usbmix_connector_map {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) u8 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) u8 delegated_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) u8 control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) u8 channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct usb_mixer_interface {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct snd_usb_audio *chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct usb_host_interface *hostif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) unsigned int ignore_ctl_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* array[MAX_ID_ELEMS], indexed by unit id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct usb_mixer_elem_list **id_elems;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /* the usb audio specification version this interface complies to */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) int protocol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* optional connector delegation map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) const struct usbmix_connector_map *connector_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* Sound Blaster remote control stuff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) const struct rc_config *rc_cfg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) u32 rc_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) wait_queue_head_t rc_waitq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct urb *rc_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct usb_ctrlrequest *rc_setup_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) u8 rc_buffer[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct media_mixer_ctl *media_mixer_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) bool disconnected;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) void *private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) void (*private_free)(struct usb_mixer_interface *mixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) void (*private_suspend)(struct usb_mixer_interface *mixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define MAX_CHANNELS 16 /* max logical channels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) USB_MIXER_BOOLEAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) USB_MIXER_INV_BOOLEAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) USB_MIXER_S8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) USB_MIXER_U8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) USB_MIXER_S16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) USB_MIXER_U16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) USB_MIXER_S32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) USB_MIXER_U32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) USB_MIXER_BESPOKEN, /* non-standard type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) typedef void (*usb_mixer_elem_dump_func_t)(struct snd_info_buffer *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct usb_mixer_elem_list *list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) typedef int (*usb_mixer_elem_resume_func_t)(struct usb_mixer_elem_list *elem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct usb_mixer_elem_list {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct usb_mixer_interface *mixer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct usb_mixer_elem_list *next_id_elem; /* list of controls with same id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct snd_kcontrol *kctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) unsigned int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) bool is_std_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) usb_mixer_elem_dump_func_t dump;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) usb_mixer_elem_resume_func_t resume;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /* iterate over mixer element list of the given unit id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define for_each_mixer_elem(list, mixer, id) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) for ((list) = (mixer)->id_elems[id]; (list); (list) = (list)->next_id_elem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define mixer_elem_list_to_info(list) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) container_of(list, struct usb_mixer_elem_info, head)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct usb_mixer_elem_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct usb_mixer_elem_list head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) unsigned int control; /* CS or ICN (high byte) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) unsigned int cmask; /* channel mask bitmap: 0 = master */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) unsigned int idx_off; /* Control index offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) unsigned int ch_readonly;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) unsigned int master_readonly;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int val_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) int min, max, res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int dBmin, dBmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int cached;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int cache_val[MAX_CHANNELS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) u8 initialized;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u8 min_mute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) void *private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) int ignore_error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) int request, int validx, int value_set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) int snd_usb_mixer_add_list(struct usb_mixer_elem_list *list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct snd_kcontrol *kctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) bool is_std_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define snd_usb_mixer_add_control(list, kctl) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) snd_usb_mixer_add_list(list, kctl, true)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct usb_mixer_interface *mixer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int unitid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) unsigned int size, unsigned int __user *_tlv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) int index, int value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int channel, int index, int *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) extern void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) extern const struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) #endif /* __USBMIXER_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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