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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
* Copyright (C) 2008-2009 coresystems GmbH
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
* 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.
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <arch/io.h>
#include <delay.h>
#include <stdlib.h>
#include <southbridge/intel/lynxpoint/hda_verb.h>
static const u32 minihd_verb_table[] = {
/* coreboot specific header */
0x80862807, // Codec Vendor / Device ID: Intel Haswell Mini-HD
0x00000000, // Subsystem ID
0x00000004, // Number of jacks
/* Enable 3rd Pin and Converter Widget */
0x00878101,
/* Pin Widget 5 - PORT B */
0x00571C10,
0x00571D00,
0x00571E56,
0x00571F18,
/* Pin Widget 6 - PORT C */
0x00671C20,
0x00671D00,
0x00671E56,
0x00671F18,
/* Pin Widget 7 - PORT D */
0x00771C30,
0x00771D00,
0x00771E56,
0x00771F18,
/* Disable 3rd Pin and Converter Widget */
0x00878100,
/* Dummy entries to fill out the table */
0x00878100,
0x00878100,
};
static void minihd_init(struct device *dev)
{
struct resource *res;
u32 reg32;
u8 *base;
int codec_mask, i;
/* Find base address */
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (!res)
return;
base = res2mmio(res, 0, 0);
printk(BIOS_DEBUG, "Mini-HD: base = %p\n", base);
/* Set Bus Master */
reg32 = pci_read_config32(dev, PCI_COMMAND);
pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
/* Mini-HD configuration */
reg32 = read32(base + 0x100c);
reg32 &= 0xfffc0000;
reg32 |= 0x4;
write32(base + 0x100c, reg32);
reg32 = read32(base + 0x1010);
reg32 &= 0xfffc0000;
reg32 |= 0x4b;
write32(base + 0x1010, reg32);
/* Init the codec and write the verb table */
codec_mask = hda_codec_detect(base);
if (codec_mask) {
for (i = 3; i >= 0; i--) {
if (codec_mask & (1 << i))
hda_codec_init(base, i,
sizeof(minihd_verb_table),
minihd_verb_table);
}
}
}
static void minihd_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
if (!vendor || !device) {
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
pci_read_config32(dev, PCI_VENDOR_ID));
} else {
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
}
static struct pci_operations minihd_pci_ops = {
.set_subsystem = minihd_set_subsystem,
};
static struct device_operations minihd_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = minihd_init,
.scan_bus = 0,
.ops_pci = &minihd_pci_ops,
};
static const unsigned short pci_device_ids[] = { 0x0a0c, 0 };
static const struct pci_driver haswell_minihd __pci_driver = {
.ops = &minihd_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
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