1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2//
3// This file is provided under a dual BSD/GPLv2 license. When using or
4// redistributing this file, you may do so under either license.
5//
6// Copyright(c) 2021 Advanced Micro Devices, Inc.
7//
8// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9//
10
11/*
12 * Hardware interface for Renoir ACP block
13 */
14
15#include <linux/platform_device.h>
16#include <linux/module.h>
17#include <linux/err.h>
18#include <linux/io.h>
19#include <sound/pcm_params.h>
20#include <sound/soc.h>
21#include <sound/soc-dai.h>
22#include <linux/dma-mapping.h>
23#include <linux/pm_runtime.h>
24
25#include "amd.h"
26#include "acp-mach.h"
27
28#define DRV_NAME "acp_asoc_renoir"
29
30static struct acp_resource rsrc = {
31 .offset = 20,
32 .no_of_ctrls = 1,
33 .irqp_used = 0,
34 .irq_reg_offset = 0x1800,
35 .i2s_pin_cfg_offset = 0x1400,
36 .i2s_mode = 0x04,
37 .scratch_reg_offset = 0x12800,
38 .sram_pte_offset = 0x02052800,
39};
40
41static struct snd_soc_acpi_codecs amp_rt1019 = {
42 .num_codecs = 1,
43 .codecs = {"10EC1019"}
44};
45
46static struct snd_soc_acpi_codecs amp_max = {
47 .num_codecs = 1,
48 .codecs = {"MX98360A"}
49};
50
51static struct snd_soc_acpi_mach snd_soc_acpi_amd_acp_machines[] = {
52 {
53 .id = "10EC5682",
54 .drv_name = "acp3xalc56821019",
55 .machine_quirk = snd_soc_acpi_codec_list,
56 .quirk_data = &amp_rt1019,
57 },
58 {
59 .id = "RTL5682",
60 .drv_name = "acp3xalc5682sm98360",
61 .machine_quirk = snd_soc_acpi_codec_list,
62 .quirk_data = &amp_max,
63 },
64 {
65 .id = "RTL5682",
66 .drv_name = "acp3xalc5682s1019",
67 .machine_quirk = snd_soc_acpi_codec_list,
68 .quirk_data = &amp_rt1019,
69 },
70 {
71 .id = "AMDI1019",
72 .drv_name = "renoir-acp",
73 },
74 {
75 .id = "ESSX8336",
76 .drv_name = "acp3x-es83xx",
77 },
78 {},
79};
80
81static struct snd_soc_dai_driver acp_renoir_dai[] = {
82{
83 .name = "acp-i2s-sp",
84 .id = I2S_SP_INSTANCE,
85 .playback = {
86 .stream_name = "I2S SP Playback",
87 .rates = SNDRV_PCM_RATE_8000_96000,
88 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
89 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
90 .channels_min = 2,
91 .channels_max = 8,
92 .rate_min = 8000,
93 .rate_max = 96000,
94 },
95 .capture = {
96 .stream_name = "I2S SP Capture",
97 .rates = SNDRV_PCM_RATE_8000_48000,
98 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
99 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
100 .channels_min = 2,
101 .channels_max = 2,
102 .rate_min = 8000,
103 .rate_max = 48000,
104 },
105 .ops = &asoc_acp_cpu_dai_ops,
106},
107{
108 .name = "acp-i2s-bt",
109 .id = I2S_BT_INSTANCE,
110 .playback = {
111 .stream_name = "I2S BT Playback",
112 .rates = SNDRV_PCM_RATE_8000_96000,
113 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
114 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
115 .channels_min = 2,
116 .channels_max = 8,
117 .rate_min = 8000,
118 .rate_max = 96000,
119 },
120 .capture = {
121 .stream_name = "I2S BT Capture",
122 .rates = SNDRV_PCM_RATE_8000_48000,
123 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
124 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
125 .channels_min = 2,
126 .channels_max = 2,
127 .rate_min = 8000,
128 .rate_max = 48000,
129 },
130 .ops = &asoc_acp_cpu_dai_ops,
131},
132{
133 .name = "acp-pdm-dmic",
134 .id = DMIC_INSTANCE,
135 .capture = {
136 .rates = SNDRV_PCM_RATE_8000_48000,
137 .formats = SNDRV_PCM_FMTBIT_S32_LE,
138 .channels_min = 2,
139 .channels_max = 2,
140 .rate_min = 8000,
141 .rate_max = 48000,
142 },
143 .ops = &acp_dmic_dai_ops,
144},
145};
146
147
148static int renoir_audio_probe(struct platform_device *pdev)
149{
150 struct device *dev = &pdev->dev;
151 struct acp_chip_info *chip;
152 struct acp_dev_data *adata;
153 struct resource *res;
154 int ret;
155
156 chip = dev_get_platdata(dev: &pdev->dev);
157 if (!chip || !chip->base) {
158 dev_err(&pdev->dev, "ACP chip data is NULL\n");
159 return -ENODEV;
160 }
161
162 if (chip->acp_rev != ACP3X_DEV) {
163 dev_err(&pdev->dev, "Un-supported ACP Revision %d\n", chip->acp_rev);
164 return -ENODEV;
165 }
166
167 adata = devm_kzalloc(dev, size: sizeof(struct acp_dev_data), GFP_KERNEL);
168 if (!adata)
169 return -ENOMEM;
170
171 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "acp_mem");
172 if (!res) {
173 dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");
174 return -ENODEV;
175 }
176
177 adata->acp_base = devm_ioremap(dev: &pdev->dev, offset: res->start, size: resource_size(res));
178 if (!adata->acp_base)
179 return -ENOMEM;
180
181 ret = platform_get_irq_byname(pdev, "acp_dai_irq");
182 if (ret < 0)
183 return ret;
184 adata->i2s_irq = ret;
185
186 adata->dev = dev;
187 adata->dai_driver = acp_renoir_dai;
188 adata->num_dai = ARRAY_SIZE(acp_renoir_dai);
189 adata->rsrc = &rsrc;
190 adata->platform = RENOIR;
191 adata->flag = chip->flag;
192
193 adata->machines = snd_soc_acpi_amd_acp_machines;
194 acp_machine_select(adata);
195
196 dev_set_drvdata(dev, data: adata);
197 acp_enable_interrupts(adata);
198 acp_platform_register(dev);
199
200 pm_runtime_set_autosuspend_delay(dev: &pdev->dev, ACP_SUSPEND_DELAY_MS);
201 pm_runtime_use_autosuspend(dev: &pdev->dev);
202 pm_runtime_mark_last_busy(dev: &pdev->dev);
203 pm_runtime_set_active(dev: &pdev->dev);
204 pm_runtime_enable(dev: &pdev->dev);
205 return 0;
206}
207
208static void renoir_audio_remove(struct platform_device *pdev)
209{
210 struct device *dev = &pdev->dev;
211 struct acp_dev_data *adata = dev_get_drvdata(dev);
212
213 acp_disable_interrupts(adata);
214 acp_platform_unregister(dev);
215}
216
217static int __maybe_unused rn_pcm_resume(struct device *dev)
218{
219 struct acp_dev_data *adata = dev_get_drvdata(dev);
220 struct acp_stream *stream;
221 struct snd_pcm_substream *substream;
222 snd_pcm_uframes_t buf_in_frames;
223 u64 buf_size;
224
225 spin_lock(lock: &adata->acp_lock);
226 list_for_each_entry(stream, &adata->stream_list, list) {
227 substream = stream->substream;
228 if (substream && substream->runtime) {
229 buf_in_frames = (substream->runtime->buffer_size);
230 buf_size = frames_to_bytes(runtime: substream->runtime, size: buf_in_frames);
231 config_pte_for_stream(adata, stream);
232 config_acp_dma(adata, stream, size: buf_size);
233 if (stream->dai_id)
234 restore_acp_i2s_params(substream, adata, stream);
235 else
236 restore_acp_pdm_params(substream, adata);
237 }
238 }
239 spin_unlock(lock: &adata->acp_lock);
240 return 0;
241}
242
243static const struct dev_pm_ops rn_dma_pm_ops = {
244 SET_SYSTEM_SLEEP_PM_OPS(NULL, rn_pcm_resume)
245};
246
247static struct platform_driver renoir_driver = {
248 .probe = renoir_audio_probe,
249 .remove_new = renoir_audio_remove,
250 .driver = {
251 .name = "acp_asoc_renoir",
252 .pm = &rn_dma_pm_ops,
253 },
254};
255
256module_platform_driver(renoir_driver);
257
258MODULE_DESCRIPTION("AMD ACP Renoir Driver");
259MODULE_IMPORT_NS(SND_SOC_ACP_COMMON);
260MODULE_LICENSE("Dual BSD/GPL");
261MODULE_ALIAS("platform:" DRV_NAME);
262

source code of linux/sound/soc/amd/acp/acp-renoir.c