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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2021 Advanced Micro Devices, Inc.
//
// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
//
/*
* Hardware interface for Renoir ACP block
*/
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/io.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <linux/dma-mapping.h>
#include <linux/pm_runtime.h>
#include "amd.h"
#include "acp-mach.h"
#define DRV_NAME "acp_asoc_renoir"
static struct snd_soc_dai_driver acp_renoir_dai[] = {
{
.name = "acp-i2s-sp",
.id = I2S_SP_INSTANCE,
.playback = {
.stream_name = "I2S SP Playback",
.rates = SNDRV_PCM_RATE_8000_96000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 2,
.channels_max = 8,
.rate_min = 8000,
.rate_max = 96000,
},
.capture = {
.stream_name = "I2S SP Capture",
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 2,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &asoc_acp_cpu_dai_ops,
},
{
.name = "acp-i2s-bt",
.id = I2S_BT_INSTANCE,
.playback = {
.stream_name = "I2S BT Playback",
.rates = SNDRV_PCM_RATE_8000_96000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 2,
.channels_max = 8,
.rate_min = 8000,
.rate_max = 96000,
},
.capture = {
.stream_name = "I2S BT Capture",
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 2,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &asoc_acp_cpu_dai_ops,
},
{
.name = "acp-pdm-dmic",
.id = DMIC_INSTANCE,
.capture = {
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 2,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &acp_dmic_dai_ops,
},
};
static int renoir_audio_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct acp_chip_info *chip;
int ret;
chip = dev_get_platdata(&pdev->dev);
if (!chip || !chip->base) {
dev_err(&pdev->dev, "ACP chip data is NULL\n");
return -ENODEV;
}
if (chip->acp_rev != ACP_RN_PCI_ID) {
dev_err(&pdev->dev, "Un-supported ACP Revision %d\n", chip->acp_rev);
return -ENODEV;
}
chip->dev = dev;
chip->dai_driver = acp_renoir_dai;
chip->num_dai = ARRAY_SIZE(acp_renoir_dai);
ret = acp_hw_en_interrupts(chip);
if (ret) {
dev_err(dev, "ACP en-interrupts failed\n");
return ret;
}
acp_platform_register(dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
}
static void renoir_audio_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct acp_chip_info *chip = dev_get_platdata(dev);
int ret;
ret = acp_hw_dis_interrupts(chip);
if (ret)
dev_err(dev, "ACP dis-interrupts failed\n");
acp_platform_unregister(dev);
}
static int rn_pcm_resume(struct device *dev)
{
struct acp_chip_info *chip = dev_get_drvdata(dev->parent);
struct acp_stream *stream;
struct snd_pcm_substream *substream;
snd_pcm_uframes_t buf_in_frames;
u64 buf_size;
spin_lock(&chip->acp_lock);
list_for_each_entry(stream, &chip->stream_list, list) {
substream = stream->substream;
if (substream && substream->runtime) {
buf_in_frames = (substream->runtime->buffer_size);
buf_size = frames_to_bytes(substream->runtime, buf_in_frames);
config_pte_for_stream(chip, stream);
config_acp_dma(chip, stream, buf_size);
if (stream->dai_id)
restore_acp_i2s_params(substream, chip, stream);
else
restore_acp_pdm_params(substream, chip);
}
}
spin_unlock(&chip->acp_lock);
return 0;
}
static const struct dev_pm_ops rn_dma_pm_ops = {
SYSTEM_SLEEP_PM_OPS(NULL, rn_pcm_resume)
};
static struct platform_driver renoir_driver = {
.probe = renoir_audio_probe,
.remove = renoir_audio_remove,
.driver = {
.name = "acp_asoc_renoir",
.pm = pm_ptr(&rn_dma_pm_ops),
},
};
module_platform_driver(renoir_driver);
MODULE_DESCRIPTION("AMD ACP Renoir Driver");
MODULE_IMPORT_NS("SND_SOC_ACP_COMMON");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_ALIAS("platform:" DRV_NAME);
|
