1 /* SPDX-License-Identifier: GPL-2.0 1 /* SPDX-License-Identifier: GPL-2.0
2 * 2 *
3 * Copyright 2011-2019 NW Digital Radio 3 * Copyright 2011-2019 NW Digital Radio
4 * 4 *
5 * Author: Annaliese McDermond <nh6z@nh6z.net> 5 * Author: Annaliese McDermond <nh6z@nh6z.net>
6 * 6 *
7 * Based on sound/soc/codecs/wm8974 and TI dri 7 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
8 * 8 *
9 */ 9 */
10 10
11 #include <linux/spi/spi.h> 11 #include <linux/spi/spi.h>
12 #include <linux/module.h> 12 #include <linux/module.h>
13 #include <linux/of.h> 13 #include <linux/of.h>
14 #include <linux/regmap.h> 14 #include <linux/regmap.h>
15 #include <sound/soc.h> 15 #include <sound/soc.h>
16 16
17 #include "tlv320aic32x4.h" 17 #include "tlv320aic32x4.h"
18 18
>> 19 static const struct of_device_id aic32x4_of_id[];
>> 20
19 static int aic32x4_spi_probe(struct spi_device 21 static int aic32x4_spi_probe(struct spi_device *spi)
20 { 22 {
21 struct regmap *regmap; 23 struct regmap *regmap;
22 struct regmap_config config; 24 struct regmap_config config;
23 enum aic32x4_type type; <<
24 25
25 config = aic32x4_regmap_config; 26 config = aic32x4_regmap_config;
26 config.reg_bits = 7; 27 config.reg_bits = 7;
27 config.pad_bits = 1; 28 config.pad_bits = 1;
28 config.val_bits = 8; 29 config.val_bits = 8;
29 config.read_flag_mask = 0x01; 30 config.read_flag_mask = 0x01;
30 31
31 regmap = devm_regmap_init_spi(spi, &co 32 regmap = devm_regmap_init_spi(spi, &config);
32 type = (uintptr_t)spi_get_device_match <<
33 33
34 return aic32x4_probe(&spi->dev, regmap !! 34 if (spi->dev.of_node) {
>> 35 const struct of_device_id *oid;
>> 36
>> 37 oid = of_match_node(aic32x4_of_id, spi->dev.of_node);
>> 38 dev_set_drvdata(&spi->dev, (void *)oid->data);
>> 39 } else {
>> 40 const struct spi_device_id *id_entry;
>> 41
>> 42 id_entry = spi_get_device_id(spi);
>> 43 dev_set_drvdata(&spi->dev, (void *)id_entry->driver_data);
>> 44 }
>> 45
>> 46 return aic32x4_probe(&spi->dev, regmap);
35 } 47 }
36 48
37 static void aic32x4_spi_remove(struct spi_devi !! 49 static int aic32x4_spi_remove(struct spi_device *spi)
38 { 50 {
39 aic32x4_remove(&spi->dev); !! 51 return aic32x4_remove(&spi->dev);
40 } 52 }
41 53
42 static const struct spi_device_id aic32x4_spi_ 54 static const struct spi_device_id aic32x4_spi_id[] = {
43 { "tlv320aic32x4", (kernel_ulong_t)AIC 55 { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
44 { "tlv320aic32x6", (kernel_ulong_t)AIC 56 { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
45 { /* sentinel */ } 57 { /* sentinel */ }
46 }; 58 };
47 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id); 59 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
48 60
49 static const struct of_device_id aic32x4_of_id 61 static const struct of_device_id aic32x4_of_id[] = {
50 { .compatible = "ti,tlv320aic32x4", .d 62 { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
51 { .compatible = "ti,tlv320aic32x6", .d 63 { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
52 { /* senitel */ } 64 { /* senitel */ }
53 }; 65 };
54 MODULE_DEVICE_TABLE(of, aic32x4_of_id); 66 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
55 67
56 static struct spi_driver aic32x4_spi_driver = 68 static struct spi_driver aic32x4_spi_driver = {
57 .driver = { 69 .driver = {
58 .name = "tlv320aic32x4", 70 .name = "tlv320aic32x4",
>> 71 .owner = THIS_MODULE,
59 .of_match_table = aic32x4_of_i 72 .of_match_table = aic32x4_of_id,
60 }, 73 },
61 .probe = aic32x4_spi_probe, 74 .probe = aic32x4_spi_probe,
62 .remove = aic32x4_spi_remove, 75 .remove = aic32x4_spi_remove,
63 .id_table = aic32x4_spi_id, 76 .id_table = aic32x4_spi_id,
64 }; 77 };
65 78
66 module_spi_driver(aic32x4_spi_driver); 79 module_spi_driver(aic32x4_spi_driver);
67 80
68 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec d 81 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
69 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z. 82 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
70 MODULE_LICENSE("GPL"); 83 MODULE_LICENSE("GPL");
71 84
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