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add support for nvidia hdaudio controllers

This commit is contained in:
jmcneill 2010-08-07 16:59:48 +00:00
parent 33d83c93fd
commit 086ee7443c
2 changed files with 53 additions and 2 deletions
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17
sys/dev/pci/hdaudio/hdaudio_pci.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: hdaudio_pci.c,v 1.5 2010/02/24 22:38:08 dyoung Exp $ */
/* $NetBSD: hdaudio_pci.c,v 1.6 2010/08/07 16:59:48 jmcneill Exp $ */
/*
* Copyright (c) 2009 Precedence Technologies Ltd <support@precedence.co.uk>
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hdaudio_pci.c,v 1.5 2010/02/24 22:38:08 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: hdaudio_pci.c,v 1.6 2010/08/07 16:59:48 jmcneill Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -49,6 +49,7 @@ __KERNEL_RCSID(0, "$NetBSD: hdaudio_pci.c,v 1.5 2010/02/24 22:38:08 dyoung Exp $
#include <dev/pci/hdaudio/hdaudioreg.h>
#include <dev/pci/hdaudio/hdaudiovar.h>
#include <dev/pci/hdaudio/hdaudio_pci.h>
struct hdaudio_pci_softc {
struct hdaudio_softc sc_hdaudio; /* must be first */
@ -153,6 +154,18 @@ hdaudio_pci_attach(device_t parent, device_t self, void *opaque)
if (!pmf_device_register(self, NULL, hdaudio_pci_resume))
aprint_error_dev(self, "couldn't establish power handler\n");
switch (PCI_VENDOR(pa->pa_id)) {
case PCI_VENDOR_NVIDIA:
/* enable snooping */
csr = pci_conf_read(sc->sc_pc, sc->sc_tag,
HDAUDIO_NV_REG_SNOOP);
csr &= ~HDAUDIO_NV_SNOOP_MASK;
csr |= HDAUDIO_NV_SNOOP_ENABLE;
pci_conf_write(sc->sc_pc, sc->sc_tag,
HDAUDIO_NV_REG_SNOOP, csr);
break;
}
/* Attach bus-independent HD audio layer */
hdaudio_attach(self, &sc->sc_hdaudio);
}

38
sys/dev/pci/hdaudio/hdaudio_pci.h Normal file
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@ -0,0 +1,38 @@
/* $NetBSD: hdaudio_pci.h,v 1.1 2010/08/07 16:59:48 jmcneill Exp $ */
/*
* Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Precedence Technologies Ltd
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _HDAUDIO_PCI_H
#define _HDAUDIO_PCI_H
#define HDAUDIO_NV_REG_SNOOP 0x4c
#define HDAUDIO_NV_SNOOP_MASK 0x00ff0000
#define HDAUDIO_NV_SNOOP_ENABLE 0x000f0000
#endif /* !_HDAUDIO_PCI_H */