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/container_of.h> 14 #include <linux/regulator/consumer.h> 15 #include <linux/pm_runtime.h> 16 #include <linux/workqueue.h> 17 #include <sound/cs35l56.h> 18 #include "wm_adsp.h" 19 20 #define CS35L56_SDW_GEN_INT_STAT_1 0xc0 21 #define CS35L56_SDW_GEN_INT_MASK_1 0xc1 22 #define CS35L56_SDW_INT_MASK_CODEC_IRQ BIT(0) 23 24 #define CS35L56_RX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) 25 #define CS35L56_TX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE \ 26 | SNDRV_PCM_FMTBIT_S32_LE) 27 28 #define CS35L56_RATES (SNDRV_PCM_RATE_48000) 29 30 struct sdw_slave; 31 32 struct cs35l56_private { 33 struct wm_adsp dsp; /* must be first member */ 34 struct cs35l56_base base; 35 struct work_struct dsp_work; 36 struct workqueue_struct *dsp_wq; 37 struct snd_soc_component *component; 38 struct regulator_bulk_data supplies[CS35L56_NUM_BULK_SUPPLIES]; 39 struct sdw_slave *sdw_peripheral; 40 const char *fallback_fw_suffix; 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 int speaker_id; 48 u32 rx_mask; 49 u32 tx_mask; 50 u8 asp_slot_width; 51 u8 asp_slot_count; 52 bool tdm_mode; 53 bool sysclk_set; 54 u8 sdw_link_num; 55 u8 sdw_unique_id; 56 }; 57 58 static inline struct cs35l56_private *cs35l56_private_from_base(struct cs35l56_base *cs35l56_base) 59 { 60 return container_of(cs35l56_base, struct cs35l56_private, base); 61 } 62 63 extern const struct dev_pm_ops cs35l56_pm_ops_i2c_spi; 64 65 int cs35l56_system_suspend(struct device *dev); 66 int cs35l56_system_suspend_late(struct device *dev); 67 int cs35l56_system_suspend_no_irq(struct device *dev); 68 int cs35l56_system_resume_no_irq(struct device *dev); 69 int cs35l56_system_resume_early(struct device *dev); 70 int cs35l56_system_resume(struct device *dev); 71 irqreturn_t cs35l56_irq(int irq, void *data); 72 int cs35l56_irq_request(struct cs35l56_base *cs35l56_base, int irq); 73 int cs35l56_common_probe(struct cs35l56_private *cs35l56); 74 int cs35l56_init(struct cs35l56_private *cs35l56); 75 void cs35l56_remove(struct cs35l56_private *cs35l56); 76 77 #endif /* ifndef CS35L56_H */ 78