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Diffstat (limited to 'src/mainboard/intel/kblrvp/hda_verb.c')
-rw-r--r--src/mainboard/intel/kblrvp/hda_verb.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/src/mainboard/intel/kblrvp/hda_verb.c b/src/mainboard/intel/kblrvp/hda_verb.c
new file mode 100644
index 000000000000..8a87968f7fc8
--- /dev/null
+++ b/src/mainboard/intel/kblrvp/hda_verb.c
@@ -0,0 +1,83 @@
+/*
+ * 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 "variant/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)
+{
+ static 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 = dev_find_slot(0, 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);