1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __CONFIG_LINUX_KERNEL_INC__
#define __CONFIG_LINUX_KERNEL_INC__
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/crc32.h>
#include <linux/ftrace.h>
#include <sound/pcm.h>
/*
i2c transaction on Linux limited to 64k
(See Linux kernel documentation: Documentation/i2c/writing-clients)
*/
#define MAX_I2C_BUFFER_SIZE 65536
/* max. length of a alsa mixer control name */
#define MAX_CONTROL_NAME 48
/* dbgprint.h */
#define PRINT(fmt) "%s: " fmt, __func__
#define _ASSERT(e)
#define PRINT_ASSERT(e) do { \
if ((e)) \
printk(KERN_ERR "PrintAssert:%s (%s:%d) error code:%d\n", __FUNCTION__, __FILE__, __LINE__, e); \
} while (0)
#define TFA98XX_MAX_REGISTER 0xff
#define TFA98XX_FLAG_DSP_START_ON_MUTE (1 << 0)
#define TFA98XX_FLAG_SKIP_INTERRUPTS (1 << 1)
#define TFA98XX_FLAG_SAAM_AVAILABLE (1 << 2)
#define TFA98XX_FLAG_STEREO_DEVICE (1 << 3)
#define TFA98XX_FLAG_MULTI_MIC_INPUTS (1 << 4)
#define TFA98XX_FLAG_TAPDET_AVAILABLE (1 << 5)
#define TFA98XX_FLAG_TFA9890_FAM_DEV (1 << 6)
#define TFA98XX_NUM_RATES 9
/* DSP init status */
enum tfa98xx_dsp_init_state {
TFA98XX_DSP_INIT_STOPPED, /* DSP not running */
TFA98XX_DSP_INIT_RECOVER, /* DSP error detected at runtime */
TFA98XX_DSP_INIT_FAIL, /* DSP init failed */
TFA98XX_DSP_INIT_PENDING, /* DSP start requested */
TFA98XX_DSP_INIT_DONE, /* DSP running */
TFA98XX_DSP_INIT_INVALIDATED, /* DSP was running, requires re-init */
};
enum tfa98xx_dsp_fw_state {
TFA98XX_DSP_FW_NONE = 0,
TFA98XX_DSP_FW_PENDING,
TFA98XX_DSP_FW_FAIL,
TFA98XX_DSP_FW_OK,
};
struct tfa98xx_firmware {
void *base;
struct tfa98xx_device *dev;
char name[9]; /* TODO get length from tfa parameter defs */
};
struct tfa98xx_baseprofile {
char basename[MAX_CONTROL_NAME]; /* profile basename */
int len; /* profile length */
int item_id; /* profile id */
int sr_rate_sup[TFA98XX_NUM_RATES]; /* sample rates supported by this profile */
struct list_head list; /* list of all profiles */
};
struct tfa98xx {
struct regmap *regmap;
struct i2c_client *i2c;
struct regulator *vdd;
struct snd_soc_codec *codec;
struct workqueue_struct *tfa98xx_wq;
struct delayed_work init_work;
struct delayed_work monitor_work;
struct delayed_work interrupt_work;
struct delayed_work tapdet_work;
struct mutex dsp_lock;
int dsp_init;
int dsp_fw_state;
int sysclk;
int rst_gpio;
u16 rev;
int has_drc;
int audio_mode;
struct tfa98xx_firmware fw;
char *fw_name;
int rate;
wait_queue_head_t wq;
struct device *dev;
unsigned int init_count;
int pstream;
int cstream;
struct input_dev *input;
bool tapdet_enabled; /* service enabled */
bool tapdet_open; /* device file opened */
unsigned int tapdet_profiles; /* tapdet profile bitfield */
bool tapdet_poll; /* tapdet running on polling mode */
unsigned int rate_constraint_list[TFA98XX_NUM_RATES];
struct snd_pcm_hw_constraint_list rate_constraint;
int reset_gpio;
int power_gpio;
int irq_gpio;
int handle;
#ifdef CONFIG_DEBUG_FS
struct dentry *dbg_dir;
#endif
u8 reg;
unsigned int count_wait_for_source_state;
unsigned int count_noclk;
unsigned int flags;
};
#if defined(CONFIG_TRACING) && defined(DEBUG)
#define tfa98xx_trace_printk(...) trace_printk(__VA_ARGS__)
#else
#define tfa98xx_trace_printk(...)
#endif
#endif /* __CONFIG_LINUX_KERNEL_INC__ */
|
