diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/common/block/hda/Kconfig | 4 | ||||
| -rw-r--r-- | src/soc/intel/common/block/hda/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/intel/common/block/hda/hda.c | 80 |
3 files changed, 85 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/hda/Kconfig b/src/soc/intel/common/block/hda/Kconfig new file mode 100644 index 0000000000..ca415bc974 --- /dev/null +++ b/src/soc/intel/common/block/hda/Kconfig @@ -0,0 +1,4 @@ +config SOC_INTEL_COMMON_BLOCK_HDA + bool + help + Intel Processor common High Definition Audio driver support diff --git a/src/soc/intel/common/block/hda/Makefile.inc b/src/soc/intel/common/block/hda/Makefile.inc new file mode 100644 index 0000000000..410389c423 --- /dev/null +++ b/src/soc/intel/common/block/hda/Makefile.inc @@ -0,0 +1 @@ +ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_HDA) += hda.c diff --git a/src/soc/intel/common/block/hda/hda.c b/src/soc/intel/common/block/hda/hda.c new file mode 100644 index 0000000000..3f87fccf7f --- /dev/null +++ b/src/soc/intel/common/block/hda/hda.c @@ -0,0 +1,80 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 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. + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/azalia_device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <soc/intel/common/hda_verb.h> +#include <soc/ramstage.h> + +static void codecs_init(uint8_t *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 hda_init(struct device *dev) +{ + struct resource *res; + int codec_mask; + uint8_t *base; + + res = find_resource(dev, PCI_BASE_ADDRESS_0); + if (!res) + return; + + base = res2mmio(res, 0, 0); + if (!base) + return; + + codec_mask = hda_codec_detect(base); + if (codec_mask) { + printk(BIOS_INFO, "HDA: codec_mask = %02x\n", codec_mask); + codecs_init(base, codec_mask); + } +} + +static struct device_operations hda_ops = { + .read_resources = &pci_dev_read_resources, + .set_resources = &pci_dev_set_resources, + .enable_resources = &pci_dev_enable_resources, + .init = &hda_init, + .ops_pci = &pci_dev_ops_pci, +}; + +static const unsigned short pci_device_ids[] = { + PCI_DEVICE_ID_INTEL_SKL_AUDIO, + PCI_DEVICE_ID_INTEL_KBL_AUDIO, + PCI_DEVICE_ID_INTEL_CNL_AUDIO, + 0 +}; + +static const struct pci_driver pch_hda __pci_driver = { + .ops = &hda_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; |