1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Driver for Cirrus Logic CS35L56 smart amp
4 *
5 * Copyright (C) 2023 Cirrus Logic, Inc. and
6 *                    Cirrus Logic International Semiconductor Ltd.
7 */
8
9#ifndef CS35L56_H
10#define CS35L56_H
11
12#include <linux/completion.h>
13#include <linux/regulator/consumer.h>
14#include <linux/pm_runtime.h>
15#include <linux/workqueue.h>
16#include <sound/cs35l56.h>
17#include "wm_adsp.h"
18
19#define CS35L56_SDW_GEN_INT_STAT_1	0xc0
20#define CS35L56_SDW_GEN_INT_MASK_1	0xc1
21#define CS35L56_SDW_INT_MASK_CODEC_IRQ	BIT(0)
22
23#define CS35L56_SDW_INVALID_BUS_SCALE	0xf
24
25#define CS35L56_RX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
26#define CS35L56_TX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE \
27			    | SNDRV_PCM_FMTBIT_S32_LE)
28
29#define CS35L56_RATES (SNDRV_PCM_RATE_48000)
30
31struct sdw_slave;
32
33struct cs35l56_private {
34	struct wm_adsp dsp; /* must be first member */
35	struct cs35l56_base base;
36	struct work_struct dsp_work;
37	struct workqueue_struct *dsp_wq;
38	struct snd_soc_component *component;
39	struct regulator_bulk_data supplies[CS35L56_NUM_BULK_SUPPLIES];
40	struct sdw_slave *sdw_peripheral;
41	struct work_struct sdw_irq_work;
42	bool sdw_irq_no_unmask;
43	bool soft_resetting;
44	bool sdw_attached;
45	struct completion init_completion;
46
47	u32 rx_mask;
48	u32 tx_mask;
49	u8 asp_slot_width;
50	u8 asp_slot_count;
51	bool tdm_mode;
52	bool sysclk_set;
53	bool asp1_mixer_widgets_initialized;
54	u8 old_sdw_clock_scale;
55};
56
57extern const struct dev_pm_ops cs35l56_pm_ops_i2c_spi;
58
59int cs35l56_system_suspend(struct device *dev);
60int cs35l56_system_suspend_late(struct device *dev);
61int cs35l56_system_suspend_no_irq(struct device *dev);
62int cs35l56_system_resume_no_irq(struct device *dev);
63int cs35l56_system_resume_early(struct device *dev);
64int cs35l56_system_resume(struct device *dev);
65irqreturn_t cs35l56_irq(int irq, void *data);
66int cs35l56_irq_request(struct cs35l56_base *cs35l56_base, int irq);
67int cs35l56_common_probe(struct cs35l56_private *cs35l56);
68int cs35l56_init(struct cs35l56_private *cs35l56);
69void cs35l56_remove(struct cs35l56_private *cs35l56);
70
71#endif /* ifndef CS35L56_H */
72