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
|
/* SPDX-License-Identifier: GPL-2.0
*
* Copyright 2011-2019 NW Digital Radio
*
* Author: Annaliese McDermond <nh6z@nh6z.net>
*
* Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
*
*/
#include <linux/spi/spi.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "tlv320aic32x4.h"
static const struct of_device_id aic32x4_of_id[];
static int aic32x4_spi_probe(struct spi_device *spi)
{
struct regmap *regmap;
struct regmap_config config;
config = aic32x4_regmap_config;
config.reg_bits = 7;
config.pad_bits = 1;
config.val_bits = 8;
config.read_flag_mask = 0x01;
regmap = devm_regmap_init_spi(spi, &config);
if (spi->dev.of_node) {
const struct of_device_id *oid;
oid = of_match_node(aic32x4_of_id, spi->dev.of_node);
dev_set_drvdata(&spi->dev, (void *)oid->data);
} else {
const struct spi_device_id *id_entry;
id_entry = spi_get_device_id(spi);
dev_set_drvdata(&spi->dev, (void *)id_entry->driver_data);
}
return aic32x4_probe(&spi->dev, regmap);
}
static int aic32x4_spi_remove(struct spi_device *spi)
{
aic32x4_remove(&spi->dev);
return 0;
}
static const struct spi_device_id aic32x4_spi_id[] = {
{ "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
{ "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
static const struct of_device_id aic32x4_of_id[] = {
{ .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
{ .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
{ /* senitel */ }
};
MODULE_DEVICE_TABLE(of, aic32x4_of_id);
static struct spi_driver aic32x4_spi_driver = {
.driver = {
.name = "tlv320aic32x4",
.owner = THIS_MODULE,
.of_match_table = aic32x4_of_id,
},
.probe = aic32x4_spi_probe,
.remove = aic32x4_spi_remove,
.id_table = aic32x4_spi_id,
};
module_spi_driver(aic32x4_spi_driver);
MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
MODULE_LICENSE("GPL");
|
