From 9095e30f2dbac3c53a380a20d15d4698449dab20 Mon Sep 17 00:00:00 2001 From: Jon Dufresne Date: Thu, 28 Dec 2006 12:00:58 +0000 Subject: A patch to add initial support for the i82801db southbridge based heavily on the code for i82801dbm and i82801er Signed-off-by: Jon Dufresne Acked-by: Ronald G. Minnich git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2534 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/southbridge/intel/i82801db/i82801db_ac97.c | 55 ++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 src/southbridge/intel/i82801db/i82801db_ac97.c (limited to 'src/southbridge/intel/i82801db/i82801db_ac97.c') diff --git a/src/southbridge/intel/i82801db/i82801db_ac97.c b/src/southbridge/intel/i82801db/i82801db_ac97.c new file mode 100644 index 0000000000..b1f8980c20 --- /dev/null +++ b/src/southbridge/intel/i82801db/i82801db_ac97.c @@ -0,0 +1,55 @@ +/* + * This file is part of the LinuxBIOS project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include "i82801db.h" + +static void ac97_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + /* Write the subsystem vendor and device id */ + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); +} + +static struct pci_operations lops_pci = { + .set_subsystem = ac97_set_subsystem, +}; +static struct device_operations ac97_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = 0, + .scan_bus = 0, + .enable = i82801db_enable, + .ops_pci = &lops_pci, +}; + +static struct pci_driver ac97_audio_driver __pci_driver = { + .ops = &ac97_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_82801DB_AC97_AUDIO, +}; +static struct pci_driver ac97_modem_driver __pci_driver = { + .ops = &ac97_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_82801DB_AC97_MODEM, +}; -- cgit v1.2.3