1 /* SPDX-License-Identifier: GPL-2.0 1 /* SPDX-License-Identifier: GPL-2.0
2 * 2 *
3 * CS35L41 ALSA HDA audio driver 3 * CS35L41 ALSA HDA audio driver
4 * 4 *
5 * Copyright 2021 Cirrus Logic, Inc. 5 * Copyright 2021 Cirrus Logic, Inc.
6 * 6 *
7 * Author: Lucas Tanure <tanureal@opensource.c 7 * Author: Lucas Tanure <tanureal@opensource.cirrus.com>
8 */ 8 */
9 9
10 #ifndef __CS35L41_HDA_H__ 10 #ifndef __CS35L41_HDA_H__
11 #define __CS35L41_HDA_H__ 11 #define __CS35L41_HDA_H__
12 12
13 #include <linux/acpi.h> <<
14 #include <linux/efi.h> <<
15 #include <linux/regulator/consumer.h> 13 #include <linux/regulator/consumer.h>
16 #include <linux/gpio/consumer.h> 14 #include <linux/gpio/consumer.h>
17 #include <linux/device.h> 15 #include <linux/device.h>
18 #include <sound/cs35l41.h> 16 #include <sound/cs35l41.h>
19 #include <sound/cs-amp-lib.h> <<
20 <<
21 #include <linux/firmware/cirrus/cs_dsp.h> <<
22 #include <linux/firmware/cirrus/wmfw.h> <<
23 <<
24 #define CS35L41_MAX_ACCEPTABLE_SPI_SPEED_HZ <<
25 #define DEFAULT_AMP_GAIN_PCM <<
26 #define DEFAULT_AMP_GAIN_PDM <<
27 <<
28 struct cs35l41_amp_cal_data { <<
29 u32 calTarget[2]; <<
30 u32 calTime[2]; <<
31 s8 calAmbient; <<
32 u8 calStatus; <<
33 u16 calR; <<
34 } __packed; <<
35 <<
36 struct cs35l41_amp_efi_data { <<
37 u32 size; <<
38 u32 count; <<
39 struct cs35l41_amp_cal_data data[]; <<
40 } __packed; <<
41 17
42 enum cs35l41_hda_spk_pos { 18 enum cs35l41_hda_spk_pos {
43 CS35L41_LEFT, !! 19 CS35l41_LEFT,
44 CS35L41_RIGHT, !! 20 CS35l41_RIGHT,
45 }; 21 };
46 22
47 enum cs35l41_hda_gpio_function { 23 enum cs35l41_hda_gpio_function {
48 CS35L41_NOT_USED, 24 CS35L41_NOT_USED,
49 CS35l41_VSPK_SWITCH, 25 CS35l41_VSPK_SWITCH,
50 CS35L41_INTERRUPT, 26 CS35L41_INTERRUPT,
51 CS35l41_SYNC, 27 CS35l41_SYNC,
52 }; 28 };
53 29
54 enum control_bus { <<
55 I2C, <<
56 SPI <<
57 }; <<
58 <<
59 struct cs35l41_hda { 30 struct cs35l41_hda {
60 struct device *dev; 31 struct device *dev;
61 struct regmap *regmap; 32 struct regmap *regmap;
62 struct gpio_desc *reset_gpio; 33 struct gpio_desc *reset_gpio;
63 struct gpio_desc *cs_gpio; <<
64 struct cs35l41_hw_cfg hw_cfg; 34 struct cs35l41_hw_cfg hw_cfg;
65 struct hda_codec *codec; <<
66 35
67 int irq; 36 int irq;
68 int index; 37 int index;
69 int channel_index; 38 int channel_index;
70 unsigned volatile long irq_errors; 39 unsigned volatile long irq_errors;
71 const char *amp_name; 40 const char *amp_name;
72 const char *acpi_subsystem_id; <<
73 int firmware_type; <<
74 int speaker_id; <<
75 struct mutex fw_mutex; <<
76 struct work_struct fw_load_work; <<
77 <<
78 struct regmap_irq_chip_data *irq_data; 41 struct regmap_irq_chip_data *irq_data;
79 bool firmware_running; <<
80 bool request_fw_load; <<
81 bool fw_request_ongoing; <<
82 bool halo_initialized; <<
83 bool playback_started; <<
84 struct cs_dsp cs_dsp; <<
85 struct acpi_device *dacpi; <<
86 bool mute_override; <<
87 enum control_bus control_bus; <<
88 bool bypass_fw; <<
89 unsigned int tuning_gain; <<
90 struct cirrus_amp_cal_data cal_data; <<
91 bool cal_data_valid; <<
92 <<
93 }; 42 };
94 43
95 enum halo_state { <<
96 HALO_STATE_CODE_INIT_DOWNLOAD = 0, <<
97 HALO_STATE_CODE_START, <<
98 HALO_STATE_CODE_RUN <<
99 }; <<
100 <<
101 extern const struct dev_pm_ops cs35l41_hda_pm_ <<
102 <<
103 int cs35l41_hda_probe(struct device *dev, cons 44 int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq,
104 struct regmap *regmap, e !! 45 struct regmap *regmap);
105 void cs35l41_hda_remove(struct device *dev); 46 void cs35l41_hda_remove(struct device *dev);
106 int cs35l41_get_speaker_id(struct device *dev, <<
107 int cs35l41_hda_parse_acpi(struct cs35l41_hda <<
108 47
109 #endif /*__CS35L41_HDA_H__*/ 48 #endif /*__CS35L41_HDA_H__*/
110 49
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