d1a21edfa05d07fef554ea2790383b41722186fc
[linux-2.6-microblaze.git] / sound / soc / sof / sof-of-dev.c
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // Copyright 2019 NXP
4 //
5 // Author: Daniel Baluta <daniel.baluta@nxp.com>
6 //
7
8 #include <linux/firmware.h>
9 #include <linux/module.h>
10 #include <linux/pm_runtime.h>
11 #include <sound/sof.h>
12
13 #include "ops.h"
14
15 extern struct snd_sof_dsp_ops sof_imx8_ops;
16 extern struct snd_sof_dsp_ops sof_imx8x_ops;
17 extern struct snd_sof_dsp_ops sof_imx8m_ops;
18
19 /* platform specific devices */
20 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
21 static struct sof_dev_desc sof_of_imx8qxp_desc = {
22         .default_fw_path = "imx/sof",
23         .default_tplg_path = "imx/sof-tplg",
24         .default_fw_filename = "sof-imx8x.ri",
25         .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
26         .ops = &sof_imx8x_ops,
27 };
28
29 static struct sof_dev_desc sof_of_imx8qm_desc = {
30         .default_fw_path = "imx/sof",
31         .default_tplg_path = "imx/sof-tplg",
32         .default_fw_filename = "sof-imx8.ri",
33         .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
34         .ops = &sof_imx8_ops,
35 };
36 #endif
37
38 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
39 static struct sof_dev_desc sof_of_imx8mp_desc = {
40         .default_fw_path = "imx/sof",
41         .default_tplg_path = "imx/sof-tplg",
42         .default_fw_filename = "sof-imx8m.ri",
43         .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
44         .ops = &sof_imx8m_ops,
45 };
46 #endif
47
48 static const struct dev_pm_ops sof_of_pm = {
49         .prepare = snd_sof_prepare,
50         .complete = snd_sof_complete,
51         SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
52         SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
53                            NULL)
54 };
55
56 static void sof_of_probe_complete(struct device *dev)
57 {
58         /* allow runtime_pm */
59         pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
60         pm_runtime_use_autosuspend(dev);
61         pm_runtime_set_active(dev);
62         pm_runtime_enable(dev);
63
64         pm_runtime_mark_last_busy(dev);
65         pm_runtime_put_autosuspend(dev);
66 }
67
68 static int sof_of_probe(struct platform_device *pdev)
69 {
70         struct device *dev = &pdev->dev;
71         const struct sof_dev_desc *desc;
72         struct snd_sof_pdata *sof_pdata;
73
74         dev_info(&pdev->dev, "DT DSP detected");
75
76         sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
77         if (!sof_pdata)
78                 return -ENOMEM;
79
80         desc = device_get_match_data(dev);
81         if (!desc)
82                 return -ENODEV;
83
84         if (!desc->ops) {
85                 dev_err(dev, "error: no matching DT descriptor ops\n");
86                 return -ENODEV;
87         }
88
89         sof_pdata->desc = desc;
90         sof_pdata->dev = &pdev->dev;
91         sof_pdata->fw_filename = desc->default_fw_filename;
92
93         /* TODO: read alternate fw and tplg filenames from DT */
94         sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path;
95         sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path;
96
97         /* set callback to be called on successful device probe to enable runtime_pm */
98         sof_pdata->sof_probe_complete = sof_of_probe_complete;
99
100         /* call sof helper for DSP hardware probe */
101         return snd_sof_device_probe(dev, sof_pdata);
102 }
103
104 static int sof_of_remove(struct platform_device *pdev)
105 {
106         pm_runtime_disable(&pdev->dev);
107
108         /* call sof helper for DSP hardware remove */
109         snd_sof_device_remove(&pdev->dev);
110
111         return 0;
112 }
113
114 static const struct of_device_id sof_of_ids[] = {
115 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
116         { .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
117         { .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
118 #endif
119 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
120         { .compatible = "fsl,imx8mp-dsp", .data = &sof_of_imx8mp_desc},
121 #endif
122         { }
123 };
124 MODULE_DEVICE_TABLE(of, sof_of_ids);
125
126 /* DT driver definition */
127 static struct platform_driver snd_sof_of_driver = {
128         .probe = sof_of_probe,
129         .remove = sof_of_remove,
130         .driver = {
131                 .name = "sof-audio-of",
132                 .pm = &sof_of_pm,
133                 .of_match_table = sof_of_ids,
134         },
135 };
136 module_platform_driver(snd_sof_of_driver);
137
138 MODULE_LICENSE("Dual BSD/GPL");