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auvitek_audio.c revision 1.1.38.1
      1  1.1.38.1       snj /* $NetBSD: auvitek_audio.c,v 1.1.38.1 2017/04/05 19:54:19 snj Exp $ */
      2       1.1  jmcneill 
      3       1.1  jmcneill /*-
      4       1.1  jmcneill  * Copyright (c) 2010 Jared D. McNeill <jmcneill (at) invisible.ca>
      5       1.1  jmcneill  * All rights reserved.
      6       1.1  jmcneill  *
      7       1.1  jmcneill  * Redistribution and use in source and binary forms, with or without
      8       1.1  jmcneill  * modification, are permitted provided that the following conditions
      9       1.1  jmcneill  * are met:
     10       1.1  jmcneill  * 1. Redistributions of source code must retain the above copyright
     11       1.1  jmcneill  *    notice, this list of conditions and the following disclaimer.
     12       1.1  jmcneill  * 2. Redistributions in binary form must reproduce the above copyright
     13       1.1  jmcneill  *    notice, this list of conditions and the following disclaimer in the
     14       1.1  jmcneill  *    documentation and/or other materials provided with the distribution.
     15       1.1  jmcneill  *
     16       1.1  jmcneill  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17       1.1  jmcneill  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18       1.1  jmcneill  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19       1.1  jmcneill  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20       1.1  jmcneill  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21       1.1  jmcneill  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22       1.1  jmcneill  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23       1.1  jmcneill  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24       1.1  jmcneill  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25       1.1  jmcneill  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26       1.1  jmcneill  * POSSIBILITY OF SUCH DAMAGE.
     27       1.1  jmcneill  */
     28       1.1  jmcneill 
     29       1.1  jmcneill /*
     30       1.1  jmcneill  * Auvitek AU0828 USB controller - audio support
     31       1.1  jmcneill  */
     32       1.1  jmcneill 
     33       1.1  jmcneill #include <sys/cdefs.h>
     34  1.1.38.1       snj __KERNEL_RCSID(0, "$NetBSD: auvitek_audio.c,v 1.1.38.1 2017/04/05 19:54:19 snj Exp $");
     35       1.1  jmcneill 
     36       1.1  jmcneill #include <sys/param.h>
     37       1.1  jmcneill #include <sys/systm.h>
     38       1.1  jmcneill #include <sys/device.h>
     39       1.1  jmcneill #include <sys/conf.h>
     40       1.1  jmcneill #include <sys/bus.h>
     41       1.1  jmcneill #include <sys/kmem.h>
     42       1.1  jmcneill 
     43       1.1  jmcneill #include <dev/usb/usb.h>
     44       1.1  jmcneill #include <dev/usb/usbdi.h>
     45       1.1  jmcneill #include <dev/usb/usbdivar.h>
     46       1.1  jmcneill #include <dev/usb/usbdi_util.h>
     47       1.1  jmcneill #include <dev/usb/usbdevs.h>
     48       1.1  jmcneill 
     49       1.1  jmcneill #include <dev/usb/auvitekreg.h>
     50       1.1  jmcneill #include <dev/usb/auvitekvar.h>
     51       1.1  jmcneill 
     52       1.1  jmcneill #include "locators.h"
     53       1.1  jmcneill 
     54       1.1  jmcneill static int	auvitek_ifprint(void *, const char *);
     55       1.1  jmcneill 
     56       1.1  jmcneill int
     57       1.1  jmcneill auvitek_audio_attach(struct auvitek_softc *sc)
     58       1.1  jmcneill {
     59       1.1  jmcneill 	struct usbif_attach_arg uiaa;
     60  1.1.38.1       snj 	struct usbd_device *udev = sc->sc_udev;
     61  1.1.38.1       snj 	usb_device_descriptor_t *dd = &udev->ud_ddesc;
     62  1.1.38.1       snj 	struct usbd_interface **ifaces;
     63       1.1  jmcneill 	int ilocs[USBIFIFCF_NLOCS], nifaces, i;
     64       1.1  jmcneill 
     65  1.1.38.1       snj 	nifaces = udev->ud_cdesc->bNumInterface;
     66       1.1  jmcneill 	ifaces = kmem_zalloc(nifaces * sizeof(*ifaces), KM_SLEEP);
     67       1.1  jmcneill 	if (ifaces == NULL) {
     68       1.1  jmcneill 		aprint_error_dev(sc->sc_dev, "audio attach: no memory\n");
     69       1.1  jmcneill 		return ENOMEM;
     70       1.1  jmcneill 	}
     71       1.1  jmcneill 	for (i = 0; i < nifaces; i++) {
     72  1.1.38.1       snj 		ifaces[i] = &udev->ud_ifaces[i];
     73       1.1  jmcneill 	}
     74       1.1  jmcneill 
     75  1.1.38.1       snj 	uiaa.uiaa_device = udev;
     76  1.1.38.1       snj 	uiaa.uiaa_port = sc->sc_uport;
     77  1.1.38.1       snj 	uiaa.uiaa_vendor = UGETW(dd->idVendor);
     78  1.1.38.1       snj 	uiaa.uiaa_product = UGETW(dd->idProduct);
     79  1.1.38.1       snj 	uiaa.uiaa_release = UGETW(dd->bcdDevice);
     80  1.1.38.1       snj 	uiaa.uiaa_configno = udev->ud_cdesc->bConfigurationValue;
     81  1.1.38.1       snj 	uiaa.uiaa_ifaces = ifaces;
     82  1.1.38.1       snj 	uiaa.uiaa_nifaces = nifaces;
     83  1.1.38.1       snj 	ilocs[USBIFIFCF_PORT] = uiaa.uiaa_port;
     84  1.1.38.1       snj 	ilocs[USBIFIFCF_VENDOR] = uiaa.uiaa_vendor;
     85  1.1.38.1       snj 	ilocs[USBIFIFCF_PRODUCT] = uiaa.uiaa_product;
     86  1.1.38.1       snj 	ilocs[USBIFIFCF_RELEASE] = uiaa.uiaa_release;
     87  1.1.38.1       snj 	ilocs[USBIFIFCF_CONFIGURATION] = uiaa.uiaa_configno;
     88       1.1  jmcneill 
     89       1.1  jmcneill 	for (i = 0; i < nifaces; i++) {
     90       1.1  jmcneill 		if (!ifaces[i])
     91       1.1  jmcneill 			continue;
     92  1.1.38.1       snj 		uiaa.uiaa_class = ifaces[i]->ui_idesc->bInterfaceClass;
     93  1.1.38.1       snj 		uiaa.uiaa_subclass = ifaces[i]->ui_idesc->bInterfaceSubClass;
     94  1.1.38.1       snj 		if (uiaa.uiaa_class != UICLASS_AUDIO)
     95       1.1  jmcneill 			continue;
     96  1.1.38.1       snj 		if (uiaa.uiaa_subclass != UISUBCLASS_AUDIOCONTROL)
     97       1.1  jmcneill 			continue;
     98  1.1.38.1       snj 		uiaa.uiaa_iface = ifaces[i];
     99  1.1.38.1       snj 		uiaa.uiaa_proto = ifaces[i]->ui_idesc->bInterfaceProtocol;
    100  1.1.38.1       snj 		uiaa.uiaa_ifaceno = ifaces[i]->ui_idesc->bInterfaceNumber;
    101  1.1.38.1       snj 		ilocs[USBIFIFCF_INTERFACE] = uiaa.uiaa_ifaceno;
    102       1.1  jmcneill 		sc->sc_audiodev = config_found_sm_loc(sc->sc_dev, "usbifif",
    103       1.1  jmcneill 		    ilocs, &uiaa, auvitek_ifprint, config_stdsubmatch);
    104       1.1  jmcneill 		if (sc->sc_audiodev)
    105       1.1  jmcneill 			break;
    106       1.1  jmcneill 	}
    107       1.1  jmcneill 
    108       1.1  jmcneill 	kmem_free(ifaces, nifaces * sizeof(*ifaces));
    109       1.1  jmcneill 
    110       1.1  jmcneill 	return 0;
    111       1.1  jmcneill }
    112       1.1  jmcneill 
    113       1.1  jmcneill int
    114       1.1  jmcneill auvitek_audio_detach(struct auvitek_softc *sc, int flags)
    115       1.1  jmcneill {
    116       1.1  jmcneill 	if (sc->sc_audiodev != NULL) {
    117       1.1  jmcneill 		config_detach(sc->sc_audiodev, flags);
    118       1.1  jmcneill 		sc->sc_audiodev = NULL;
    119       1.1  jmcneill 	}
    120       1.1  jmcneill 
    121       1.1  jmcneill 	return 0;
    122       1.1  jmcneill }
    123       1.1  jmcneill 
    124       1.1  jmcneill void
    125       1.1  jmcneill auvitek_audio_childdet(struct auvitek_softc *sc, device_t child)
    126       1.1  jmcneill {
    127       1.1  jmcneill 	if (sc->sc_audiodev == child)
    128       1.1  jmcneill 		sc->sc_audiodev = NULL;
    129       1.1  jmcneill }
    130       1.1  jmcneill 
    131       1.1  jmcneill static int
    132       1.1  jmcneill auvitek_ifprint(void *opaque, const char *pnp)
    133       1.1  jmcneill {
    134  1.1.38.1       snj 	struct usbif_attach_arg *uiaa = opaque;
    135       1.1  jmcneill 
    136       1.1  jmcneill 	if (pnp)
    137       1.1  jmcneill 		return QUIET;
    138       1.1  jmcneill 
    139  1.1.38.1       snj 	aprint_normal(" port %d", uiaa->uiaa_port);
    140  1.1.38.1       snj 	aprint_normal(" configuration %d", uiaa->uiaa_configno);
    141  1.1.38.1       snj 	aprint_normal(" interface %d", uiaa->uiaa_ifaceno);
    142       1.1  jmcneill 
    143       1.1  jmcneill 	return UNCONF;
    144       1.1  jmcneill }
    145