mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
|
/* 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 <sjg@chromium.org>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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 */
|