67 #include "mixer.h"
80 	struct usb_mixer_interface *mixer;  member
133 static int fcp_init(struct usb_mixer_interface *mixer,
179 static int fcp_usb(struct usb_mixer_interface *mixer, u32 opcode,  in fcp_usb()  argument
183 	struct fcp_data *private = mixer->private_data;  in fcp_usb()
184 	struct usb_device *dev = mixer->chip->dev;  in fcp_usb()
193 	if (!mixer->urb)  in fcp_usb()
218 		usb_audio_err(mixer->chip,  in fcp_usb()
225 		usb_audio_err(mixer->chip,  in fcp_usb()
245 		usb_audio_err(mixer->chip,  in fcp_usb()
252 		usb_audio_err(mixer->chip,  in fcp_usb()
259 		usb_audio_err(mixer->chip,  in fcp_usb()
267 		usb_audio_err(mixer->chip,  in fcp_usb()
274 		usb_audio_err(mixer->chip,  in fcp_usb()
281 		usb_audio_err(mixer->chip,  in fcp_usb()
288 		usb_audio_err(mixer->chip,  in fcp_usb()
300 static int fcp_reinit(struct usb_mixer_interface *mixer)  in fcp_reinit()  argument
302 	struct fcp_data *private = mixer->private_data;  in fcp_reinit()
306 	if (mixer->urb)  in fcp_reinit()
316 	return fcp_init(mixer, step0_resp, step2_resp);  in fcp_reinit()
322 static int fcp_add_new_ctl(struct usb_mixer_interface *mixer,  in fcp_add_new_ctl()  argument
335 	/* We set USB_MIXER_BESPOKEN type, so that the core USB mixer code  in fcp_add_new_ctl()
339 	elem->head.mixer = mixer;  in fcp_add_new_ctl()
383 	struct usb_mixer_interface *mixer = elem->head.mixer;  in fcp_meter_ctl_get()  local
384 	struct fcp_data *private = mixer->private_data;  in fcp_meter_ctl_get()
397 	err = fcp_reinit(mixer);  in fcp_meter_ctl_get()
407 	err = fcp_usb(mixer, FCP_USB_GET_METER,  in fcp_meter_ctl_get()
428 	struct usb_mixer_interface *mixer = elem->head.mixer;  in fcp_meter_tlv_callback()  local
429 	struct fcp_data *private = mixer->private_data;  in fcp_meter_tlv_callback()
461 static int fcp_ioctl_init(struct usb_mixer_interface *mixer,  in fcp_ioctl_init()  argument
465 	struct usb_device *dev = mixer->chip->dev;  in fcp_ioctl_init()
466 	struct fcp_data *private = mixer->private_data;  in fcp_ioctl_init()
499 	err = fcp_init(mixer, resp, step2_resp);  in fcp_ioctl_init()
551 static int fcp_ioctl_cmd(struct usb_mixer_interface *mixer,  in fcp_ioctl_cmd()  argument
567 	err = fcp_reinit(mixer);  in fcp_ioctl_cmd()
591 	err = fcp_usb(mixer, cmd.opcode,  in fcp_ioctl_cmd()
617 static int fcp_ioctl_set_meter_map(struct usb_mixer_interface *mixer,  in fcp_ioctl_set_meter_map()  argument
621 	struct fcp_data *private = mixer->private_data;  in fcp_ioctl_set_meter_map()
672 		err = fcp_add_new_ctl(mixer, &fcp_meter_ctl, 0, map.map_size,  in fcp_ioctl_set_meter_map()
692 static int fcp_ioctl_set_meter_labels(struct usb_mixer_interface *mixer,  in fcp_ioctl_set_meter_labels()  argument
696 	struct fcp_data *private = mixer->private_data;  in fcp_ioctl_set_meter_labels()
711 			snd_ctl_notify(mixer->chip->card,  in fcp_ioctl_set_meter_labels()
749 		snd_ctl_notify(mixer->chip->card,  in fcp_ioctl_set_meter_labels()
764 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_open()  local
765 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_open()
778 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_ioctl()  local
779 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_ioctl()
792 		return fcp_ioctl_init(mixer, argp);  in fcp_hwdep_ioctl()
797 		return fcp_ioctl_cmd(mixer, argp);  in fcp_hwdep_ioctl()
802 		return fcp_ioctl_set_meter_map(mixer, argp);  in fcp_hwdep_ioctl()
809 		return fcp_ioctl_set_meter_labels(mixer, argp);  in fcp_hwdep_ioctl()
821 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_read()  local
822 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_read()
850 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_poll()  local
851 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_poll()
864 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_release()  local
865 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_release()
875 static int fcp_hwdep_init(struct usb_mixer_interface *mixer)  in fcp_hwdep_init()  argument
880 	err = snd_hwdep_new(mixer->chip->card, "Focusrite Control", 0, &hw);  in fcp_hwdep_init()
884 	hw->private_data = mixer;  in fcp_hwdep_init()
898 static void fcp_cleanup_urb(struct usb_mixer_interface *mixer)  in fcp_cleanup_urb()  argument
900 	if (!mixer->urb)  in fcp_cleanup_urb()
903 	usb_kill_urb(mixer->urb);  in fcp_cleanup_urb()
904 	kfree(mixer->urb->transfer_buffer);  in fcp_cleanup_urb()
905 	usb_free_urb(mixer->urb);  in fcp_cleanup_urb()
906 	mixer->urb = NULL;  in fcp_cleanup_urb()
909 static void fcp_private_free(struct usb_mixer_interface *mixer)  in fcp_private_free()  argument
911 	struct fcp_data *private = mixer->private_data;  in fcp_private_free()
913 	fcp_cleanup_urb(mixer);  in fcp_private_free()
919 	mixer->private_data = NULL;  in fcp_private_free()
922 static void fcp_private_suspend(struct usb_mixer_interface *mixer)  in fcp_private_suspend()  argument
924 	fcp_cleanup_urb(mixer);  in fcp_private_suspend()
931 	struct usb_mixer_interface *mixer = urb->context;  in fcp_notify()  local
932 	struct fcp_data *private = mixer->private_data;  in fcp_notify()
962 		urb->dev = mixer->chip->dev;  in fcp_notify()
970 static int fcp_init_notify(struct usb_mixer_interface *mixer)  in fcp_init_notify()  argument
972 	struct usb_device *dev = mixer->chip->dev;  in fcp_init_notify()
973 	struct fcp_data *private = mixer->private_data;  in fcp_init_notify()
979 	if (mixer->urb)  in fcp_init_notify()
985 	mixer->urb = usb_alloc_urb(0, GFP_KERNEL);  in fcp_init_notify()
986 	if (!mixer->urb)  in fcp_init_notify()
991 		usb_free_urb(mixer->urb);  in fcp_init_notify()
992 		mixer->urb = NULL;  in fcp_init_notify()
996 	usb_fill_int_urb(mixer->urb, dev, pipe,  in fcp_init_notify()
998 			 fcp_notify, mixer, private->bInterval);  in fcp_init_notify()
1002 	err = usb_submit_urb(mixer->urb, GFP_KERNEL);  in fcp_init_notify()
1004 		usb_audio_err(mixer->chip,  in fcp_init_notify()
1008 		usb_free_urb(mixer->urb);  in fcp_init_notify()
1009 		mixer->urb = NULL;  in fcp_init_notify()
1017 static int fcp_init(struct usb_mixer_interface *mixer,  in fcp_init()  argument
1020 	struct fcp_data *private = mixer->private_data;  in fcp_init()
1021 	struct usb_device *dev = mixer->chip->dev;  in fcp_init()
1032 	err = fcp_init_notify(mixer);  in fcp_init()
1039 	err = fcp_usb(mixer, private->init1_opcode, NULL, 0, NULL, 0);  in fcp_init()
1043 	err = fcp_usb(mixer, private->init2_opcode,  in fcp_init()
1051 static int fcp_init_private(struct usb_mixer_interface *mixer)  in fcp_init_private()  argument
1063 	mixer->private_data = private;  in fcp_init_private()
1064 	mixer->private_free = fcp_private_free;  in fcp_init_private()
1065 	mixer->private_suspend = fcp_private_suspend;  in fcp_init_private()
1067 	private->mixer = mixer;  in fcp_init_private()
1077 static int fcp_find_fc_interface(struct usb_mixer_interface *mixer)  in fcp_find_fc_interface()  argument
1079 	struct snd_usb_audio *chip = mixer->chip;  in fcp_find_fc_interface()
1080 	struct fcp_data *private = mixer->private_data;  in fcp_find_fc_interface()
1106 int snd_fcp_init(struct usb_mixer_interface *mixer)  in snd_fcp_init()  argument
1108 	struct snd_usb_audio *chip = mixer->chip;  in snd_fcp_init()
1112 	if (!mixer->protocol)  in snd_fcp_init()
1115 	err = fcp_init_private(mixer);  in snd_fcp_init()
1119 	err = fcp_find_fc_interface(mixer);  in snd_fcp_init()
1123 	err = fcp_hwdep_init(mixer);  in snd_fcp_init()