1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * AMD ACP Driver
4 *
5 * Copyright (C) 2021 Advanced Micro Devices, Inc. All rights reserved.
6 */
7
8 #include "rpl_acp6x_chip_offset_byte.h"
9
10 #define ACP_DEVICE_ID 0x15E2
11 #define ACP6x_PHY_BASE_ADDRESS 0x1240000
12
13 #define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK 0x00010001
14 #define ACP_PGFSM_CNTL_POWER_ON_MASK 1
15 #define ACP_PGFSM_CNTL_POWER_OFF_MASK 0
16 #define ACP_PGFSM_STATUS_MASK 3
17 #define ACP_POWERED_ON 0
18 #define ACP_POWER_ON_IN_PROGRESS 1
19 #define ACP_POWERED_OFF 2
20 #define ACP_POWER_OFF_IN_PROGRESS 3
21
22 #define DELAY_US 5
23 #define ACP_COUNTER 20000
24
25 /* time in ms for runtime suspend delay */
26 #define ACP_SUSPEND_DELAY_MS 2000
27
28 static inline u32 rpl_acp_readl(void __iomem *base_addr)
29 {
30 return readl(base_addr - ACP6x_PHY_BASE_ADDRESS);
31 }
32
33 static inline void rpl_acp_writel(u32 val, void __iomem *base_addr)
34 {
35 writel(val, base_addr - ACP6x_PHY_BASE_ADDRESS);
36 }
37
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.