sound/soc/codecs/cs35l56.h

   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         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 };
  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 */