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()
669 		err = fcp_add_new_ctl(mixer, &fcp_meter_ctl, 0, map.map_size,  in fcp_ioctl_set_meter_map()
689 static int fcp_ioctl_set_meter_labels(struct usb_mixer_interface *mixer,  in fcp_ioctl_set_meter_labels()  argument
693 	struct fcp_data *private = mixer->private_data;  in fcp_ioctl_set_meter_labels()
708 			snd_ctl_notify(mixer->chip->card,  in fcp_ioctl_set_meter_labels()
746 		snd_ctl_notify(mixer->chip->card,  in fcp_ioctl_set_meter_labels()
761 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_open()  local
762 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_open()
775 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_ioctl()  local
776 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_ioctl()
789 		return fcp_ioctl_init(mixer, argp);  in fcp_hwdep_ioctl()
794 		return fcp_ioctl_cmd(mixer, argp);  in fcp_hwdep_ioctl()
799 		return fcp_ioctl_set_meter_map(mixer, argp);  in fcp_hwdep_ioctl()
806 		return fcp_ioctl_set_meter_labels(mixer, argp);  in fcp_hwdep_ioctl()
818 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_read()  local
819 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_read()
846 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_poll()  local
847 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_poll()
860 	struct usb_mixer_interface *mixer = hw->private_data;  in fcp_hwdep_release()  local
861 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_release()
871 static int fcp_hwdep_init(struct usb_mixer_interface *mixer)  in fcp_hwdep_init()  argument
876 	err = snd_hwdep_new(mixer->chip->card, "Focusrite Control", 0, &hw);  in fcp_hwdep_init()
880 	hw->private_data = mixer;  in fcp_hwdep_init()
894 static void fcp_cleanup_urb(struct usb_mixer_interface *mixer)  in fcp_cleanup_urb()  argument
896 	if (!mixer->urb)  in fcp_cleanup_urb()
899 	usb_kill_urb(mixer->urb);  in fcp_cleanup_urb()
900 	kfree(mixer->urb->transfer_buffer);  in fcp_cleanup_urb()
901 	usb_free_urb(mixer->urb);  in fcp_cleanup_urb()
902 	mixer->urb = NULL;  in fcp_cleanup_urb()
905 static void fcp_private_free(struct usb_mixer_interface *mixer)  in fcp_private_free()  argument
907 	struct fcp_data *private = mixer->private_data;  in fcp_private_free()
909 	fcp_cleanup_urb(mixer);  in fcp_private_free()
915 	mixer->private_data = NULL;  in fcp_private_free()
918 static void fcp_private_suspend(struct usb_mixer_interface *mixer)  in fcp_private_suspend()  argument
920 	fcp_cleanup_urb(mixer);  in fcp_private_suspend()
927 	struct usb_mixer_interface *mixer = urb->context;  in fcp_notify()  local
928 	struct fcp_data *private = mixer->private_data;  in fcp_notify()
956 		urb->dev = mixer->chip->dev;  in fcp_notify()
964 static int fcp_init_notify(struct usb_mixer_interface *mixer)  in fcp_init_notify()  argument
966 	struct usb_device *dev = mixer->chip->dev;  in fcp_init_notify()
967 	struct fcp_data *private = mixer->private_data;  in fcp_init_notify()
973 	if (mixer->urb)  in fcp_init_notify()
979 	mixer->urb = usb_alloc_urb(0, GFP_KERNEL);  in fcp_init_notify()
980 	if (!mixer->urb)  in fcp_init_notify()
985 		usb_free_urb(mixer->urb);  in fcp_init_notify()
986 		mixer->urb = NULL;  in fcp_init_notify()
990 	usb_fill_int_urb(mixer->urb, dev, pipe,  in fcp_init_notify()
992 			 fcp_notify, mixer, private->bInterval);  in fcp_init_notify()
996 	err = usb_submit_urb(mixer->urb, GFP_KERNEL);  in fcp_init_notify()
998 		usb_audio_err(mixer->chip,  in fcp_init_notify()
1002 		usb_free_urb(mixer->urb);  in fcp_init_notify()
1003 		mixer->urb = NULL;  in fcp_init_notify()
1011 static int fcp_init(struct usb_mixer_interface *mixer,  in fcp_init()  argument
1014 	struct fcp_data *private = mixer->private_data;  in fcp_init()
1015 	struct usb_device *dev = mixer->chip->dev;  in fcp_init()
1026 	err = fcp_init_notify(mixer);  in fcp_init()
1033 	err = fcp_usb(mixer, private->init1_opcode, NULL, 0, NULL, 0);  in fcp_init()
1037 	err = fcp_usb(mixer, private->init2_opcode,  in fcp_init()
1045 static int fcp_init_private(struct usb_mixer_interface *mixer)  in fcp_init_private()  argument
1057 	mixer->private_data = private;  in fcp_init_private()
1058 	mixer->private_free = fcp_private_free;  in fcp_init_private()
1059 	mixer->private_suspend = fcp_private_suspend;  in fcp_init_private()
1061 	private->mixer = mixer;  in fcp_init_private()
1071 static int fcp_find_fc_interface(struct usb_mixer_interface *mixer)  in fcp_find_fc_interface()  argument
1073 	struct snd_usb_audio *chip = mixer->chip;  in fcp_find_fc_interface()
1074 	struct fcp_data *private = mixer->private_data;  in fcp_find_fc_interface()
1099 int snd_fcp_init(struct usb_mixer_interface *mixer)  in snd_fcp_init()  argument
1101 	struct snd_usb_audio *chip = mixer->chip;  in snd_fcp_init()
1105 	if (!mixer->protocol)  in snd_fcp_init()
1108 	err = fcp_init_private(mixer);  in snd_fcp_init()
1112 	err = fcp_find_fc_interface(mixer);  in snd_fcp_init()
1116 	err = fcp_hwdep_init(mixer);  in snd_fcp_init()