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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2017 Intel Corporation
* (Written by Naresh G Solanki <naresh.solanki@intel.com> for Intel Corp.)
*
* 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 <bootstate.h>
#include <chip.h>
#include <console/console.h>
#include <device/azalia_device.h>
#include <soc/intel/common/hda_verb.h>
#include <soc/pci_devs.h>
#include "hda_verb.h"
static void codecs_init(u8 *base, u32 codec_mask)
{
int i;
/* Can support up to 4 codecs */
for (i = 3; i >= 0; i--) {
if (codec_mask & (1 << i))
hda_codec_init(base, i, cim_verb_data_size,
cim_verb_data);
}
if (pc_beep_verbs_size)
hda_codec_write(base, pc_beep_verbs_size, pc_beep_verbs);
}
static void mb_hda_codec_init(void *unused)
{
struct soc_intel_skylake_config *config;
u8 *base;
struct resource *res;
u32 codec_mask;
struct device *dev;
dev = SA_DEV_ROOT;
/* Check if HDA is enabled, else return */
if (dev == NULL || dev->chip_info == NULL)
return;
config = dev->chip_info;
/*
* IoBufferOwnership 0:HD-A Link, 1:Shared HD-A Link and I2S Port,
* 3:I2S Ports. In HDA mode where codec need to be programmed with
* verb table
*/
if (config->IoBufferOwnership == 3)
return;
/* Find base address */
dev = pcidev_path_on_root(PCH_DEVFN_HDA);
if (dev == NULL)
return;
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (!res)
return;
base = res2mmio(res, 0, 0);
printk(BIOS_DEBUG, "HDA: base = %p\n", base);
codec_mask = hda_codec_detect(base);
if (codec_mask) {
printk(BIOS_DEBUG, "HDA: codec_mask = %02x\n", codec_mask);
codecs_init(base, codec_mask);
}
}
BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_EXIT, mb_hda_codec_init, NULL);
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