pci/hda/cs35l41_hda.h

0001 /* SPDX-License-Identifier: GPL-2.0
0002  *
0003  * CS35L41 ALSA HDA audio driver
0004  *
0005  * Copyright 2021 Cirrus Logic, Inc.
0006  *
0007  * Author: Lucas Tanure <tanureal@opensource.cirrus.com>
0008  */
0009
0010 #ifndef __CS35L41_HDA_H__
0011 #define __CS35L41_HDA_H__
0012
0013 #include <linux/efi.h>
0014 #include <linux/regulator/consumer.h>
0015 #include <linux/gpio/consumer.h>
0016 #include <linux/device.h>
0017 #include <sound/cs35l41.h>
0018
0019 #include <linux/firmware/cirrus/cs_dsp.h>
0020 #include <linux/firmware/cirrus/wmfw.h>
0021
0022 struct cs35l41_amp_cal_data {
0023     u32 calTarget[2];
0024     u32 calTime[2];
0025     s8 calAmbient;
0026     u8 calStatus;
0027     u16 calR;
0028 } __packed;
0029
0030 struct cs35l41_amp_efi_data {
0031     u32 size;
0032     u32 count;
0033     struct cs35l41_amp_cal_data data[];
0034 } __packed;
0035
0036 enum cs35l41_hda_spk_pos {
0037     CS35l41_LEFT,
0038     CS35l41_RIGHT,
0039 };
0040
0041 enum cs35l41_hda_gpio_function {
0042     CS35L41_NOT_USED,
0043     CS35l41_VSPK_SWITCH,
0044     CS35L41_INTERRUPT,
0045     CS35l41_SYNC,
0046 };
0047
0048 struct cs35l41_hda {
0049     struct device *dev;
0050     struct regmap *regmap;
0051     struct gpio_desc *reset_gpio;
0052     struct cs35l41_hw_cfg hw_cfg;
0053     struct hda_codec *codec;
0054
0055     int irq;
0056     int index;
0057     int channel_index;
0058     unsigned volatile long irq_errors;
0059     const char *amp_name;
0060     const char *acpi_subsystem_id;
0061     int firmware_type;
0062     int speaker_id;
0063     struct mutex fw_mutex;
0064     struct work_struct fw_load_work;
0065
0066     struct regmap_irq_chip_data *irq_data;
0067     bool firmware_running;
0068     bool request_fw_load;
0069     bool fw_request_ongoing;
0070     bool halo_initialized;
0071     bool playback_started;
0072     struct cs_dsp cs_dsp;
0073 };
0074
0075 enum halo_state {
0076     HALO_STATE_CODE_INIT_DOWNLOAD = 0,
0077     HALO_STATE_CODE_START,
0078     HALO_STATE_CODE_RUN
0079 };
0080
0081 extern const struct dev_pm_ops cs35l41_hda_pm_ops;
0082
0083 int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq,
0084               struct regmap *regmap);
0085 void cs35l41_hda_remove(struct device *dev);
0086
0087 #endif /*__CS35L41_HDA_H__*/