1/* SPDX-License-Identifier: GPL-2.0-only
 2 *  Copyright (c) 2020 Intel Corporation
 3 */
 4
 5/*
 6 *  sof_sdw_common.h - prototypes for common helpers
 7 */
 8
 9#ifndef SND_SOC_SOF_SDW_COMMON_H
10#define SND_SOC_SOF_SDW_COMMON_H
11
12#include <linux/bits.h>
13#include <linux/types.h>
14#include <sound/soc.h>
15#include <sound/soc_sdw_utils.h>
16#include "sof_hdmi_common.h"
17
18#define MAX_HDMI_NUM 4
19#define SOC_SDW_MAX_CPU_DAIS 16
20#define SOC_SDW_INTEL_BIDIR_PDI_BASE 2
21
22/* 8 combinations with 4 links + unused group 0 */
23#define SDW_MAX_GROUPS 9
24
25enum {
26	SOF_PRE_TGL_HDMI_COUNT = 3,
27	SOF_TGL_HDMI_COUNT = 4,
28};
29
30enum {
31	SOF_I2S_SSP0 = BIT(0),
32	SOF_I2S_SSP1 = BIT(1),
33	SOF_I2S_SSP2 = BIT(2),
34	SOF_I2S_SSP3 = BIT(3),
35	SOF_I2S_SSP4 = BIT(4),
36	SOF_I2S_SSP5 = BIT(5),
37};
38
39/* Deprecated and no longer supported by the code */
40#define SOC_SDW_FOUR_SPK		BIT(4)
41#define SOF_SDW_TGL_HDMI		BIT(5)
42#define SOC_SDW_PCH_DMIC		BIT(6)
43#define SOF_SSP_PORT(x)		(((x) & GENMASK(5, 0)) << 7)
44#define SOF_SSP_GET_PORT(quirk)	(((quirk) >> 7) & GENMASK(5, 0))
45/* Deprecated and no longer supported by the code */
46#define SOC_SDW_NO_AGGREGATION		BIT(14)
47
48/* BT audio offload: reserve 3 bits for future */
49#define SOF_BT_OFFLOAD_SSP_SHIFT	15
50#define SOF_BT_OFFLOAD_SSP_MASK	(GENMASK(17, 15))
51#define SOF_BT_OFFLOAD_SSP(quirk)	\
52	(((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)
53#define SOF_SSP_BT_OFFLOAD_PRESENT	BIT(18)
54
55struct intel_mc_ctx {
56	struct sof_hdmi_private hdmi;
57	/* To store SDW Pin index for each SoundWire link */
58	unsigned int sdw_pin_index[SDW_INTEL_MAX_LINKS];
59};
60
61/* generic HDMI support */
62int sof_sdw_hdmi_init(struct snd_soc_pcm_runtime *rtd);
63
64int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *card);
65
66#endif