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
24 #include "amd.h"
25
26 #define DRV_NAME "acp_asoc_renoir"
27
28 static struct acp_resource rsrc = {
29 .offset = 20,
30 .no_of_ctrls = 1,
31 .irqp_used = 0,
32 .irq_reg_offset = 0x1800,
33 .i2s_pin_cfg_offset = 0x1400,
34 .i2s_mode = 0x04,
35 .scratch_reg_offset = 0x12800,
36 .sram_pte_offset = 0x02052800,
37 };
38
39 static struct snd_soc_acpi_codecs amp_rt1019 = {
40 .num_codecs = 1,
41 .codecs = {"10EC1019"}
42 };
43
44 static struct snd_soc_acpi_codecs amp_max = {
45 .num_codecs = 1,
46 .codecs = {"MX98360A"}
47 };
48
49 static struct snd_soc_acpi_mach snd_soc_acpi_amd_acp_machines[] = {
50 {
51 .id = "10EC5682",
52 .drv_name = "acp3xalc56821019",
53 .machine_quirk = snd_soc_acpi_codec_list,
54 .quirk_data = &_rt1019,
55 },
56 {
57 .id = "RTL5682",
58 .drv_name = "acp3xalc5682sm98360",
59 .machine_quirk = snd_soc_acpi_codec_list,
60 .quirk_data = &_max,
61 },
62 {
63 .id = "RTL5682",
64 .drv_name = "acp3xalc5682s1019",
65 .machine_quirk = snd_soc_acpi_codec_list,
66 .quirk_data = &_rt1019,
67 },
68 {
69 .id = "AMDI1019",
70 .drv_name = "renoir-acp",
71 },
72 {},
73 };
74
75 static struct snd_soc_dai_driver acp_renoir_dai[] = {
76 {
77 .name = "acp-i2s-sp",
78 .id = I2S_SP_INSTANCE,
79 .playback = {
80 .stream_name = "I2S SP Playback",
81 .rates = SNDRV_PCM_RATE_8000_96000,
82 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
83 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
84 .channels_min = 2,
85 .channels_max = 8,
86 .rate_min = 8000,
87 .rate_max = 96000,
88 },
89 .capture = {
90 .stream_name = "I2S SP Capture",
91 .rates = SNDRV_PCM_RATE_8000_48000,
92 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
93 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
94 .channels_min = 2,
95 .channels_max = 2,
96 .rate_min = 8000,
97 .rate_max = 48000,
98 },
99 .ops = &asoc_acp_cpu_dai_ops,
100 },
101 {
102 .name = "acp-i2s-bt",
103 .id = I2S_BT_INSTANCE,
104 .playback = {
105 .stream_name = "I2S BT Playback",
106 .rates = SNDRV_PCM_RATE_8000_96000,
107 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
108 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
109 .channels_min = 2,
110 .channels_max = 8,
111 .rate_min = 8000,
112 .rate_max = 96000,
113 },
114 .capture = {
115 .stream_name = "I2S BT Capture",
116 .rates = SNDRV_PCM_RATE_8000_48000,
117 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
118 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
119 .channels_min = 2,
120 .channels_max = 2,
121 .rate_min = 8000,
122 .rate_max = 48000,
123 },
124 .ops = &asoc_acp_cpu_dai_ops,
125 },
126 {
127 .name = "acp-pdm-dmic",
128 .id = DMIC_INSTANCE,
129 .capture = {
130 .rates = SNDRV_PCM_RATE_8000_48000,
131 .formats = SNDRV_PCM_FMTBIT_S32_LE,
132 .channels_min = 2,
133 .channels_max = 2,
134 .rate_min = 8000,
135 .rate_max = 48000,
136 },
137 .ops = &acp_dmic_dai_ops,
138 },
139 };
140
141
renoir_audio_probe(struct platform_device * pdev)142 static int renoir_audio_probe(struct platform_device *pdev)
143 {
144 struct device *dev = &pdev->dev;
145 struct acp_chip_info *chip;
146 struct acp_dev_data *adata;
147 struct resource *res;
148 int ret;
149
150 chip = dev_get_platdata(&pdev->dev);
151 if (!chip || !chip->base) {
152 dev_err(&pdev->dev, "ACP chip data is NULL\n");
153 return -ENODEV;
154 }
155
156 if (chip->acp_rev != ACP3X_DEV) {
157 dev_err(&pdev->dev, "Un-supported ACP Revision %d\n", chip->acp_rev);
158 return -ENODEV;
159 }
160
161 adata = devm_kzalloc(dev, sizeof(struct acp_dev_data), GFP_KERNEL);
162 if (!adata)
163 return -ENOMEM;
164
165 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "acp_mem");
166 if (!res) {
167 dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");
168 return -ENODEV;
169 }
170
171 adata->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
172 if (!adata->acp_base)
173 return -ENOMEM;
174
175 ret = platform_get_irq_byname(pdev, "acp_dai_irq");
176 if (ret < 0)
177 return ret;
178 adata->i2s_irq = ret;
179
180 adata->dev = dev;
181 adata->dai_driver = acp_renoir_dai;
182 adata->num_dai = ARRAY_SIZE(acp_renoir_dai);
183 adata->rsrc = &rsrc;
184
185 adata->machines = snd_soc_acpi_amd_acp_machines;
186 acp_machine_select(adata);
187
188 dev_set_drvdata(dev, adata);
189 acp_enable_interrupts(adata);
190 acp_platform_register(dev);
191
192 return 0;
193 }
194
renoir_audio_remove(struct platform_device * pdev)195 static void renoir_audio_remove(struct platform_device *pdev)
196 {
197 struct device *dev = &pdev->dev;
198 struct acp_dev_data *adata = dev_get_drvdata(dev);
199
200 acp_disable_interrupts(adata);
201 acp_platform_unregister(dev);
202 }
203
204 static struct platform_driver renoir_driver = {
205 .probe = renoir_audio_probe,
206 .remove_new = renoir_audio_remove,
207 .driver = {
208 .name = "acp_asoc_renoir",
209 },
210 };
211
212 module_platform_driver(renoir_driver);
213
214 MODULE_DESCRIPTION("AMD ACP Renoir Driver");
215 MODULE_IMPORT_NS(SND_SOC_ACP_COMMON);
216 MODULE_LICENSE("Dual BSD/GPL");
217 MODULE_ALIAS("platform:" DRV_NAME);
218