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
28static 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
39static struct snd_soc_acpi_codecs amp_rt1019 = {
40	.num_codecs = 1,
41	.codecs = {"10EC1019"}
42};
43
44static struct snd_soc_acpi_codecs amp_max = {
45	.num_codecs = 1,
46	.codecs = {"MX98360A"}
47};
48
49static 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 = &amp_rt1019,
55	},
56	{
57		.id = "RTL5682",
58		.drv_name = "acp3xalc5682sm98360",
59		.machine_quirk = snd_soc_acpi_codec_list,
60		.quirk_data = &amp_max,
61	},
62	{
63		.id = "RTL5682",
64		.drv_name = "acp3xalc5682s1019",
65		.machine_quirk = snd_soc_acpi_codec_list,
66		.quirk_data = &amp_rt1019,
67	},
68	{
69		.id = "AMDI1019",
70		.drv_name = "renoir-acp",
71	},
72	{},
73};
74
75static 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
142static 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
195static 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
204static 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
212module_platform_driver(renoir_driver);
213
214MODULE_DESCRIPTION("AMD ACP Renoir Driver");
215MODULE_IMPORT_NS(SND_SOC_ACP_COMMON);
216MODULE_LICENSE("Dual BSD/GPL");
217MODULE_ALIAS("platform:" DRV_NAME);
218