1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * CS35L41 ALSA HDA audio driver 4 * 5 * Copyright 2021 Cirrus Logic, Inc. 6 * 7 * Author: Lucas Tanure <tanureal@opensource.cirrus.com> 8 */ 9 10 #ifndef __CS35L41_HDA_H__ 11 #define __CS35L41_HDA_H__ 12 13 #include <linux/efi.h> 14 #include <linux/regulator/consumer.h> 15 #include <linux/gpio/consumer.h> 16 #include <linux/device.h> 17 #include <sound/cs35l41.h> 18 19 #include <linux/firmware/cirrus/cs_dsp.h> 20 #include <linux/firmware/cirrus/wmfw.h> 21 22 struct cs35l41_amp_cal_data { 23 u32 calTarget[2]; 24 u32 calTime[2]; 25 s8 calAmbient; 26 u8 calStatus; 27 u16 calR; 28 } __packed; 29 30 struct cs35l41_amp_efi_data { 31 u32 size; 32 u32 count; 33 struct cs35l41_amp_cal_data data[]; 34 } __packed; 35 36 enum cs35l41_hda_spk_pos { 37 CS35l41_LEFT, 38 CS35l41_RIGHT, 39 }; 40 41 enum cs35l41_hda_gpio_function { 42 CS35L41_NOT_USED, 43 CS35l41_VSPK_SWITCH, 44 CS35L41_INTERRUPT, 45 CS35l41_SYNC, 46 }; 47 48 struct cs35l41_hda { 49 struct device *dev; 50 struct regmap *regmap; 51 struct gpio_desc *reset_gpio; 52 struct cs35l41_hw_cfg hw_cfg; 53 struct hda_codec *codec; 54 55 int irq; 56 int index; 57 int channel_index; 58 unsigned volatile long irq_errors; 59 const char *amp_name; 60 const char *acpi_subsystem_id; 61 int firmware_type; 62 int speaker_id; 63 struct mutex fw_mutex; 64 struct work_struct fw_load_work; 65 66 struct regmap_irq_chip_data *irq_data; 67 bool firmware_running; 68 bool request_fw_load; 69 bool fw_request_ongoing; 70 bool halo_initialized; 71 bool playback_started; 72 struct cs_dsp cs_dsp; 73 }; 74 75 enum halo_state { 76 HALO_STATE_CODE_INIT_DOWNLOAD = 0, 77 HALO_STATE_CODE_START, 78 HALO_STATE_CODE_RUN 79 }; 80 81 extern const struct dev_pm_ops cs35l41_hda_pm_ops; 82 83 int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq, 84 struct regmap *regmap); 85 void cs35l41_hda_remove(struct device *dev); 86 int cs35l41_get_speaker_id(struct device *dev, int amp_index, int num_amps, int fixed_gpio_id); 87 88 #endif /*__CS35L41_HDA_H__*/ 89