| /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ |
| /* |
| * This file is provided under a dual BSD/GPLv2 license. When using or |
| * redistributing this file, you may do so under either license. |
| * |
| * Copyright(c) 2019 Intel Corporation. All rights reserved. |
| * |
| * Author: Keyon Jie <yang.jie@linux.intel.com> |
| */ |
| |
| #ifndef __SOF_INTEL_HDA_IPC_H |
| #define __SOF_INTEL_HDA_IPC_H |
| |
| /* |
| * Primary register, mapped to |
| * - DIPCTDR (HIPCIDR) in sideband IPC (cAVS 1.8+) |
| * - DIPCT in cAVS 1.5 IPC |
| * |
| * Secondary register, mapped to: |
| * - DIPCTDD (HIPCIDD) in sideband IPC (cAVS 1.8+) |
| * - DIPCTE in cAVS 1.5 IPC |
| */ |
| |
| /* Common bits in primary register */ |
| |
| /* Reserved for doorbell */ |
| #define HDA_IPC_RSVD_31 BIT(31) |
| /* Target, 0 - normal message, 1 - compact message(cAVS compatible) */ |
| #define HDA_IPC_MSG_COMPACT BIT(30) |
| /* Direction, 0 - request, 1 - response */ |
| #define HDA_IPC_RSP BIT(29) |
| |
| #define HDA_IPC_TYPE_SHIFT 24 |
| #define HDA_IPC_TYPE_MASK GENMASK(28, 24) |
| #define HDA_IPC_TYPE(x) ((x) << HDA_IPC_TYPE_SHIFT) |
| |
| #define HDA_IPC_PM_GATE HDA_IPC_TYPE(0x8U) |
| |
| /* Command specific payload bits in secondary register */ |
| |
| /* Disable DMA tracing (0 - keep tracing, 1 - to disable DMA trace) */ |
| #define HDA_PM_NO_DMA_TRACE BIT(4) |
| /* Prevent clock gating (0 - cg allowed, 1 - DSP clock always on) */ |
| #define HDA_PM_PCG BIT(3) |
| /* Prevent power gating (0 - deep power state transitions allowed) */ |
| #define HDA_PM_PPG BIT(2) |
| /* Indicates whether streaming is active */ |
| #define HDA_PM_PG_STREAMING BIT(1) |
| #define HDA_PM_PG_RSVD BIT(0) |
| |
| #endif |
