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 enum cs35l41_cspl_mbox_status { 25 CSPL_MBOX_STS_RUNNING = 0, 26 CSPL_MBOX_STS_PAUSED = 1, 27 CSPL_MBOX_STS_RDY_FOR_REINIT = 2, 28 }; 29 30 enum cs35l41_cspl_mbox_cmd { 31 CSPL_MBOX_CMD_NONE = 0, 32 CSPL_MBOX_CMD_PAUSE = 1, 33 CSPL_MBOX_CMD_RESUME = 2, 34 CSPL_MBOX_CMD_REINIT = 3, 35 CSPL_MBOX_CMD_STOP_PRE_REINIT = 4, 36 CSPL_MBOX_CMD_UNKNOWN_CMD = -1, 37 CSPL_MBOX_CMD_INVALID_SEQUENCE = -2, 38 }; 39 40 struct cs35l41_private { 41 struct wm_adsp dsp; /* needs to be first member */ 42 struct snd_soc_codec *codec; 43 struct cs35l41_platform_data pdata; 44 struct device *dev; 45 struct regmap *regmap; 46 struct regulator_bulk_data supplies[CS35L41_NUM_SUPPLIES]; 47 int irq; 48 /* GPIO for /RST */ 49 struct gpio_desc *reset_gpio; 50 }; 51 52 int cs35l41_probe(struct cs35l41_private *cs35l41, 53 struct cs35l41_platform_data *pdata); 54 void cs35l41_remove(struct cs35l41_private *cs35l41); 55 56 #endif /*__CS35L41_H__*/ 57