1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * cs35l41.h -- CS35L41 ALSA SoC audio driver 4 * 5 * Copyright 2017-2021 Cirrus Logic, Inc. 6 * 7 * Author: David Rhodes <david.rhodes@cirrus.com> 8 */ 9 10 #ifndef __CS35L41_H__ 11 #define __CS35L41_H__ 12 13 #include <linux/gpio/consumer.h> 14 #include <linux/regulator/consumer.h> 15 #include <linux/firmware.h> 16 #include <sound/core.h> 17 #include <sound/cs35l41.h> 18 19 #include "wm_adsp.h" 20 21 #define CS35L41_RX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) 22 #define CS35L41_TX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) 23 24 extern const struct dev_pm_ops cs35l41_pm_ops; 25 26 enum cs35l41_cspl_mbox_status { 27 CSPL_MBOX_STS_RUNNING = 0, 28 CSPL_MBOX_STS_PAUSED = 1, 29 CSPL_MBOX_STS_RDY_FOR_REINIT = 2, 30 }; 31 32 enum cs35l41_cspl_mbox_cmd { 33 CSPL_MBOX_CMD_NONE = 0, 34 CSPL_MBOX_CMD_PAUSE = 1, 35 CSPL_MBOX_CMD_RESUME = 2, 36 CSPL_MBOX_CMD_REINIT = 3, 37 CSPL_MBOX_CMD_STOP_PRE_REINIT = 4, 38 CSPL_MBOX_CMD_HIBERNATE = 5, 39 CSPL_MBOX_CMD_OUT_OF_HIBERNATE = 6, 40 CSPL_MBOX_CMD_UNKNOWN_CMD = -1, 41 CSPL_MBOX_CMD_INVALID_SEQUENCE = -2, 42 }; 43 44 struct cs35l41_private { 45 struct wm_adsp dsp; /* needs to be first member */ 46 struct snd_soc_codec *codec; 47 struct cs35l41_platform_data pdata; 48 struct device *dev; 49 struct regmap *regmap; 50 struct regulator_bulk_data supplies[CS35L41_NUM_SUPPLIES]; 51 int irq; 52 /* GPIO for /RST */ 53 struct gpio_desc *reset_gpio; 54 }; 55 56 int cs35l41_probe(struct cs35l41_private *cs35l41, 57 struct cs35l41_platform_data *pdata); 58 void cs35l41_remove(struct cs35l41_private *cs35l41); 59 60 #endif /*__CS35L41_H__*/ 61