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 work_struct dsp_work; 36 struct workqueue_struct *dsp_wq; 37 struct completion dsp_ready_completion; 38 struct mutex irq_lock; 39 struct snd_soc_component *component; 40 struct device *dev; 41 struct regmap *regmap; 42 struct regulator_bulk_data supplies[CS35L56_NUM_BULK_SUPPLIES]; 43 int irq; 44 struct sdw_slave *sdw_peripheral; 45 u8 rev; 46 struct work_struct sdw_irq_work; 47 bool secured; 48 bool sdw_irq_no_unmask; 49 bool soft_resetting; 50 bool init_done; 51 bool sdw_attached; 52 bool removing; 53 bool fw_patched; 54 bool can_hibernate; 55 struct completion init_completion; 56 struct gpio_desc *reset_gpio; 57 58 u32 rx_mask; 59 u32 tx_mask; 60 u8 asp_slot_width; 61 u8 asp_slot_count; 62 bool tdm_mode; 63 bool sysclk_set; 64 u8 old_sdw_clock_scale; 65 }; 66 67 extern const struct dev_pm_ops cs35l56_pm_ops_i2c_spi; 68 69 int cs35l56_runtime_suspend(struct device *dev); 70 int cs35l56_runtime_resume_common(struct cs35l56_private *cs35l56); 71 irqreturn_t cs35l56_irq(int irq, void *data); 72 int cs35l56_irq_request(struct cs35l56_private *cs35l56); 73 int cs35l56_common_probe(struct cs35l56_private *cs35l56); 74 int cs35l56_init(struct cs35l56_private *cs35l56); 75 int cs35l56_remove(struct cs35l56_private *cs35l56); 76 77 #endif /* ifndef CS35L56_H */ 78