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> 13 #include <linux/acpi.h>
14 #include <linux/efi.h> 14 #include <linux/efi.h>
15 #include <linux/regulator/consumer.h> 15 #include <linux/regulator/consumer.h>
16 #include <linux/gpio/consumer.h> 16 #include <linux/gpio/consumer.h>
17 #include <linux/device.h> 17 #include <linux/device.h>
18 #include <sound/cs35l41.h> 18 #include <sound/cs35l41.h>
19 #include <sound/cs-amp-lib.h> 19 #include <sound/cs-amp-lib.h>
20 20
21 #include <linux/firmware/cirrus/cs_dsp.h> 21 #include <linux/firmware/cirrus/cs_dsp.h>
22 #include <linux/firmware/cirrus/wmfw.h> 22 #include <linux/firmware/cirrus/wmfw.h>
23 23
24 #define CS35L41_MAX_ACCEPTABLE_SPI_SPEED_HZ 24 #define CS35L41_MAX_ACCEPTABLE_SPI_SPEED_HZ 1000000
25 #define DEFAULT_AMP_GAIN_PCM 25 #define DEFAULT_AMP_GAIN_PCM 17 /* 17.5dB Gain */
26 #define DEFAULT_AMP_GAIN_PDM 26 #define DEFAULT_AMP_GAIN_PDM 19 /* 19.5dB Gain */
27 27
28 struct cs35l41_amp_cal_data { 28 struct cs35l41_amp_cal_data {
29 u32 calTarget[2]; 29 u32 calTarget[2];
30 u32 calTime[2]; 30 u32 calTime[2];
31 s8 calAmbient; 31 s8 calAmbient;
32 u8 calStatus; 32 u8 calStatus;
33 u16 calR; 33 u16 calR;
34 } __packed; 34 } __packed;
35 35
36 struct cs35l41_amp_efi_data { 36 struct cs35l41_amp_efi_data {
37 u32 size; 37 u32 size;
38 u32 count; 38 u32 count;
39 struct cs35l41_amp_cal_data data[]; 39 struct cs35l41_amp_cal_data data[];
40 } __packed; 40 } __packed;
41 41
42 enum cs35l41_hda_spk_pos { 42 enum cs35l41_hda_spk_pos {
43 CS35L41_LEFT, 43 CS35L41_LEFT,
44 CS35L41_RIGHT, 44 CS35L41_RIGHT,
45 }; 45 };
46 46
47 enum cs35l41_hda_gpio_function { 47 enum cs35l41_hda_gpio_function {
48 CS35L41_NOT_USED, 48 CS35L41_NOT_USED,
49 CS35l41_VSPK_SWITCH, 49 CS35l41_VSPK_SWITCH,
50 CS35L41_INTERRUPT, 50 CS35L41_INTERRUPT,
51 CS35l41_SYNC, 51 CS35l41_SYNC,
52 }; 52 };
53 53
54 enum control_bus { 54 enum control_bus {
55 I2C, 55 I2C,
56 SPI 56 SPI
57 }; 57 };
58 58
59 struct cs35l41_hda { 59 struct cs35l41_hda {
60 struct device *dev; 60 struct device *dev;
61 struct regmap *regmap; 61 struct regmap *regmap;
62 struct gpio_desc *reset_gpio; 62 struct gpio_desc *reset_gpio;
63 struct gpio_desc *cs_gpio; 63 struct gpio_desc *cs_gpio;
64 struct cs35l41_hw_cfg hw_cfg; 64 struct cs35l41_hw_cfg hw_cfg;
65 struct hda_codec *codec; 65 struct hda_codec *codec;
66 66
67 int irq; 67 int irq;
68 int index; 68 int index;
69 int channel_index; 69 int channel_index;
70 unsigned volatile long irq_errors; 70 unsigned volatile long irq_errors;
71 const char *amp_name; 71 const char *amp_name;
72 const char *acpi_subsystem_id; 72 const char *acpi_subsystem_id;
73 int firmware_type; 73 int firmware_type;
74 int speaker_id; 74 int speaker_id;
75 struct mutex fw_mutex; 75 struct mutex fw_mutex;
76 struct work_struct fw_load_work; 76 struct work_struct fw_load_work;
77 77
78 struct regmap_irq_chip_data *irq_data; 78 struct regmap_irq_chip_data *irq_data;
79 bool firmware_running; 79 bool firmware_running;
80 bool request_fw_load; 80 bool request_fw_load;
81 bool fw_request_ongoing; 81 bool fw_request_ongoing;
82 bool halo_initialized; 82 bool halo_initialized;
83 bool playback_started; 83 bool playback_started;
84 struct cs_dsp cs_dsp; 84 struct cs_dsp cs_dsp;
85 struct acpi_device *dacpi; 85 struct acpi_device *dacpi;
86 bool mute_override; 86 bool mute_override;
87 enum control_bus control_bus; 87 enum control_bus control_bus;
88 bool bypass_fw; 88 bool bypass_fw;
89 unsigned int tuning_gain; 89 unsigned int tuning_gain;
90 struct cirrus_amp_cal_data cal_data; 90 struct cirrus_amp_cal_data cal_data;
91 bool cal_data_valid; 91 bool cal_data_valid;
92 92
93 }; 93 };
94 94
95 enum halo_state { 95 enum halo_state {
96 HALO_STATE_CODE_INIT_DOWNLOAD = 0, 96 HALO_STATE_CODE_INIT_DOWNLOAD = 0,
97 HALO_STATE_CODE_START, 97 HALO_STATE_CODE_START,
98 HALO_STATE_CODE_RUN 98 HALO_STATE_CODE_RUN
99 }; 99 };
100 100
101 extern const struct dev_pm_ops cs35l41_hda_pm_ 101 extern const struct dev_pm_ops cs35l41_hda_pm_ops;
102 102
103 int cs35l41_hda_probe(struct device *dev, cons 103 int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq,
104 struct regmap *regmap, e 104 struct regmap *regmap, enum control_bus control_bus);
105 void cs35l41_hda_remove(struct device *dev); 105 void cs35l41_hda_remove(struct device *dev);
106 int cs35l41_get_speaker_id(struct device *dev, 106 int cs35l41_get_speaker_id(struct device *dev, int amp_index, int num_amps, int fixed_gpio_id);
107 int cs35l41_hda_parse_acpi(struct cs35l41_hda 107 int cs35l41_hda_parse_acpi(struct cs35l41_hda *cs35l41, struct device *physdev, int id);
108 108
109 #endif /*__CS35L41_HDA_H__*/ 109 #endif /*__CS35L41_HDA_H__*/
110 110
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