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 bool sdw_in_clock_stop_1; 46 struct completion init_completion; 47 48 int speaker_id; 49 u32 rx_mask; 50 u32 tx_mask; 51 u8 asp_slot_width; 52 u8 asp_slot_count; 53 bool tdm_mode; 54 bool sysclk_set; 55 u8 sdw_link_num; 56 u8 sdw_unique_id; 57 58 u8 ambient_ctl_value; 59 }; 60 61 static inline struct cs35l56_private *cs35l56_private_from_base(struct cs35l56_base *cs35l56_base) 62 { 63 return container_of(cs35l56_base, struct cs35l56_private, base); 64 } 65 66 extern const struct dev_pm_ops cs35l56_pm_ops_i2c_spi; 67 68 int cs35l56_system_suspend(struct device *dev); 69 int cs35l56_system_suspend_late(struct device *dev); 70 int cs35l56_system_suspend_no_irq(struct device *dev); 71 int cs35l56_system_resume_no_irq(struct device *dev); 72 int cs35l56_system_resume_early(struct device *dev); 73 int cs35l56_system_resume(struct device *dev); 74 irqreturn_t cs35l56_irq(int irq, void *data); 75 int cs35l56_irq_request(struct cs35l56_base *cs35l56_base, int irq); 76 int cs35l56_common_probe(struct cs35l56_private *cs35l56); 77 int cs35l56_init(struct cs35l56_private *cs35l56); 78 void cs35l56_remove(struct cs35l56_private *cs35l56); 79 80 #if IS_ENABLED(CONFIG_KUNIT) 81 int cs35l56_set_fw_suffix(struct cs35l56_private *cs35l56); 82 int cs35l56_set_fw_name(struct snd_soc_component *component); 83 int cs35l56_process_xu_properties(struct cs35l56_private *cs35l56); 84 int cs35l56_get_firmware_uid(struct cs35l56_private *cs35l56); 85 #endif 86 87 #endif /* ifndef CS35L56_H */ 88