xref: /openbmc/linux/sound/soc/amd/raven/acp3x.h (revision a44e4f3a)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * AMD ALSA SoC PCM Driver
4  *
5  * Copyright 2016 Advanced Micro Devices, Inc.
6  */
7 
8 #include "chip_offset_byte.h"
9 
10 #define ACP3x_PHY_BASE_ADDRESS 0x1240000
11 #define	ACP3x_I2S_MODE	0
12 #define	ACP3x_REG_START	0x1240000
13 #define	ACP3x_REG_END	0x1250200
14 #define I2S_MODE	0x04
15 #define	BT_TX_THRESHOLD 26
16 #define	BT_RX_THRESHOLD 25
17 #define ACP3x_POWER_ON 0x00
18 #define ACP3x_POWER_ON_IN_PROGRESS 0x01
19 #define ACP3x_POWER_OFF 0x02
20 #define ACP3x_POWER_OFF_IN_PROGRESS 0x03
21 #define ACP3x_SOFT_RESET__SoftResetAudDone_MASK	0x00010001
22 
23 #define ACP_SRAM_PTE_OFFSET	0x02050000
24 #define PAGE_SIZE_4K_ENABLE 0x2
25 #define MEM_WINDOW_START	0x4000000
26 #define PLAYBACK_FIFO_ADDR_OFFSET 0x400
27 #define CAPTURE_FIFO_ADDR_OFFSET  0x500
28 
29 #define PLAYBACK_MIN_NUM_PERIODS    2
30 #define PLAYBACK_MAX_NUM_PERIODS    8
31 #define PLAYBACK_MAX_PERIOD_SIZE    16384
32 #define PLAYBACK_MIN_PERIOD_SIZE    4096
33 #define CAPTURE_MIN_NUM_PERIODS     2
34 #define CAPTURE_MAX_NUM_PERIODS     8
35 #define CAPTURE_MAX_PERIOD_SIZE     16384
36 #define CAPTURE_MIN_PERIOD_SIZE     4096
37 
38 #define MAX_BUFFER (PLAYBACK_MAX_PERIOD_SIZE * PLAYBACK_MAX_NUM_PERIODS)
39 #define MIN_BUFFER MAX_BUFFER
40 #define FIFO_SIZE 0x100
41 #define DMA_SIZE 0x40
42 #define FRM_LEN 0x100
43 
44 #define SLOT_WIDTH_8 0x08
45 #define SLOT_WIDTH_16 0x10
46 #define SLOT_WIDTH_24 0x18
47 #define SLOT_WIDTH_32 0x20
48 
49 
50 static inline u32 rv_readl(void __iomem *base_addr)
51 {
52 	return readl(base_addr - ACP3x_PHY_BASE_ADDRESS);
53 }
54 
55 static inline void rv_writel(u32 val, void __iomem *base_addr)
56 {
57 	writel(val, base_addr - ACP3x_PHY_BASE_ADDRESS);
58 }
59