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 31 struct sdw_slave; 32 33 struct 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 u8 old_sdw_clock_scale; 54 }; 55 56 extern const struct dev_pm_ops cs35l56_pm_ops_i2c_spi; 57 58 int cs35l56_system_suspend(struct device *dev); 59 int cs35l56_system_suspend_late(struct device *dev); 60 int cs35l56_system_suspend_no_irq(struct device *dev); 61 int cs35l56_system_resume_no_irq(struct device *dev); 62 int cs35l56_system_resume_early(struct device *dev); 63 int cs35l56_system_resume(struct device *dev); 64 irqreturn_t cs35l56_irq(int irq, void *data); 65 int cs35l56_irq_request(struct cs35l56_base *cs35l56_base, int irq); 66 int cs35l56_common_probe(struct cs35l56_private *cs35l56); 67 int cs35l56_init(struct cs35l56_private *cs35l56); 68 void cs35l56_remove(struct cs35l56_private *cs35l56); 69 70 #endif /* ifndef CS35L56_H */ 71