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