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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Google Inc.
*
* 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; version 2 of the License.
*
* 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 <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <reg_script.h>
#include <soc/intel/common/hda_verb.h>
#include <baytrail/iomap.h>
#include <baytrail/iosf.h>
#include <baytrail/pci_devs.h>
#include <baytrail/ramstage.h>
static const struct reg_script init_ops[] = {
/* Enable no snoop traffic. */
REG_PCI_OR16(0x78, 1 << 11),
/* Configure HDMI codec connection. */
REG_PCI_OR32(0xc4, 1 << 1),
REG_PCI_OR8(0x43, (1 << 3) | (1 << 6)),
REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xc0),
REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0x00),
/* Configure internal settings. */
REG_PCI_OR32(0xc0, 0x7 << 21),
REG_PCI_OR32(0xc4, (0x3 << 26) | (1 << 13) | (1 << 10)),
REG_PCI_WRITE32(0xc8, 0x82a30000),
REG_PCI_RMW32(0xd0, ~(1 << 31), 0x0),
/* Disable docking. */
REG_PCI_RMW8(0x4d, ~(1 << 7), 0),
REG_SCRIPT_END,
};
static const uint32_t hdmi_codec_verb_table[] = {
/* coreboot specific header */
0x80862882, /* vid did for hdmi codec */
0x00000000, /* subsystem id */
0x00000003, /* number of jacks */
/* pin widget 5 - port B */
0x20471c10,
0x20471d00,
0x20471e56,
0x20471f18,
/* pin widget 6 - port C */
0x20571c20,
0x20571d00,
0x20571e56,
0x20571f18,
/* pin widget 7 - port D */
0x20671c30,
0x20671d00,
0x20671e56,
0x20671f58,
};
static void hda_init(device_t dev)
{
struct resource *res;
int codec_mask;
int i;
u8 *base;
reg_script_run_on_dev(dev, init_ops);
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res == NULL)
return;
base = res2mmio(res, 0, 0);
codec_mask = hda_codec_detect(base);
printk(BIOS_DEBUG, "codec mask = %x\n", codec_mask);
if (!codec_mask)
return;
for (i = 3; i >= 0; i--) {
if (!((1 << i) & codec_mask))
continue;
hda_codec_init(base, i, sizeof(hdmi_codec_verb_table),
hdmi_codec_verb_table);
}
}
static const struct device_operations device_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = hda_init,
.enable = NULL,
.scan_bus = NULL,
.ops_pci = &soc_pci_ops,
};
static const struct pci_driver southcluster __pci_driver = {
.ops = &device_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = HDA_DEVID,
};
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