From ae51f41d14f548d494ac41e0d21137c5a4c3f59c Mon Sep 17 00:00:00 2001 From: Iru Cai Date: Wed, 30 Oct 2019 14:21:52 +0800 Subject: import the U-Boot code and make it compile --- include/dt-bindings/sound/azalia.h | 44 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 include/dt-bindings/sound/azalia.h (limited to 'include/dt-bindings/sound/azalia.h') diff --git a/include/dt-bindings/sound/azalia.h b/include/dt-bindings/sound/azalia.h new file mode 100644 index 0000000..10ace3e --- /dev/null +++ b/include/dt-bindings/sound/azalia.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Intel HDA audio codec config. This is a mechanicm to configure codecs when + * using Intel HDA audio. + * + * Copyright 2018 Google LLC + * Written by Simon Glass + */ + +#ifndef __AZALIA_H +#define __AZALIA_H + +#define AZALIA_CODEC_SHIFT 28 +#define AZALIA_NID_SHIFT 20 +#define AZALIA_VERB_SHIFT 8 + +/* Supported opcodes */ +#define AZALIA_OPCODE_CONFIG_DEFAULT 0x71c +#define AZALIA_OPCODE_IMPL_ID 0x720 +#define AZALIA_OPCODE_READ_PARAM 0xf00 + +#define AZALIA_PARAM_VENDOR_ID 0 + +/* Generate the register value to write a particular byte of a 32-bit value */ +#define AZALIA_SET_BYTE(codec, nid, opcode, val, byte) \ + ((codec) << AZALIA_CODEC_SHIFT | \ + (nid) << AZALIA_NID_SHIFT | \ + ((opcode) + (byte)) << AZALIA_VERB_SHIFT | \ + (((val) >> ((byte) * 8)) & 0xff)) + +/* Generate the register value to write all bytes of a 32-bit value */ +#define AZALIA_WORD(codec, nid, opcode, val) \ + (AZALIA_SET_BYTE(codec, nid, opcode, val, 0) | \ + AZALIA_SET_BYTE(codec, nid, opcode, val, 1) | \ + AZALIA_SET_BYTE(codec, nid, opcode, val, 2) | \ + AZALIA_SET_BYTE(codec, nid, opcode, val, 3)) + +#define AZALIA_PIN_CFG(codec, nid, val) \ + AZALIA_WORD(codec, nid, AZALIA_OPCODE_CONFIG_DEFAULT, val) + +#define AZALIA_SUBVENDOR(codec, val) \ + AZALIA_WORD(codec, 1, AZALIA_OPCODE_IMPL_ID, val) + +#endif /* __AZALIA_H */ -- cgit v1.2.3