1 // SPDX-License-Identifier: (GPL-2.0-only OR B 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 // 2 //
3 // Copyright 2019 NXP 3 // Copyright 2019 NXP
4 // 4 //
5 // Author: Daniel Baluta <daniel.baluta@nxp.co 5 // Author: Daniel Baluta <daniel.baluta@nxp.com>
6 // 6 //
7 7
8 #include <linux/firmware.h> 8 #include <linux/firmware.h>
9 #include <linux/module.h> 9 #include <linux/module.h>
10 #include <linux/moduleparam.h> <<
11 #include <linux/pm_runtime.h> 10 #include <linux/pm_runtime.h>
12 #include <sound/sof.h> 11 #include <sound/sof.h>
13 12
14 #include "sof-of-dev.h" <<
15 #include "ops.h" 13 #include "ops.h"
16 14
17 static char *fw_path; !! 15 extern struct snd_sof_dsp_ops sof_imx8_ops;
18 module_param(fw_path, charp, 0444); !! 16 extern struct snd_sof_dsp_ops sof_imx8x_ops;
19 MODULE_PARM_DESC(fw_path, "alternate path for !! 17 extern struct snd_sof_dsp_ops sof_imx8m_ops;
20 !! 18
21 static char *tplg_path; !! 19 /* platform specific devices */
22 module_param(tplg_path, charp, 0444); !! 20 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
23 MODULE_PARM_DESC(tplg_path, "alternate path fo !! 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
24 37
25 const struct dev_pm_ops sof_of_pm = { !! 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 = {
26 .prepare = snd_sof_prepare, 49 .prepare = snd_sof_prepare,
27 .complete = snd_sof_complete, 50 .complete = snd_sof_complete,
28 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspen 51 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
29 SET_RUNTIME_PM_OPS(snd_sof_runtime_sus 52 SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
30 NULL) 53 NULL)
31 }; 54 };
32 EXPORT_SYMBOL(sof_of_pm); <<
33 55
34 static void sof_of_probe_complete(struct devic 56 static void sof_of_probe_complete(struct device *dev)
35 { 57 {
36 /* allow runtime_pm */ 58 /* allow runtime_pm */
37 pm_runtime_set_autosuspend_delay(dev, 59 pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
38 pm_runtime_use_autosuspend(dev); 60 pm_runtime_use_autosuspend(dev);
39 pm_runtime_mark_last_busy(dev); <<
40 pm_runtime_set_active(dev); 61 pm_runtime_set_active(dev);
41 pm_runtime_enable(dev); 62 pm_runtime_enable(dev);
>> 63
>> 64 pm_runtime_mark_last_busy(dev);
>> 65 pm_runtime_put_autosuspend(dev);
42 } 66 }
43 67
44 int sof_of_probe(struct platform_device *pdev) !! 68 static int sof_of_probe(struct platform_device *pdev)
45 { 69 {
46 struct device *dev = &pdev->dev; 70 struct device *dev = &pdev->dev;
47 const struct sof_dev_desc *desc; 71 const struct sof_dev_desc *desc;
48 struct snd_sof_pdata *sof_pdata; 72 struct snd_sof_pdata *sof_pdata;
49 73
50 dev_info(&pdev->dev, "DT DSP detected" 74 dev_info(&pdev->dev, "DT DSP detected");
51 75
52 sof_pdata = devm_kzalloc(dev, sizeof(* 76 sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
53 if (!sof_pdata) 77 if (!sof_pdata)
54 return -ENOMEM; 78 return -ENOMEM;
55 79
56 desc = device_get_match_data(dev); 80 desc = device_get_match_data(dev);
57 if (!desc) 81 if (!desc)
58 return -ENODEV; 82 return -ENODEV;
59 83
60 if (!desc->ops) { 84 if (!desc->ops) {
61 dev_err(dev, "error: no matchi 85 dev_err(dev, "error: no matching DT descriptor ops\n");
62 return -ENODEV; 86 return -ENODEV;
63 } 87 }
64 88
65 sof_pdata->desc = desc; 89 sof_pdata->desc = desc;
66 sof_pdata->dev = &pdev->dev; 90 sof_pdata->dev = &pdev->dev;
>> 91 sof_pdata->fw_filename = desc->default_fw_filename;
67 92
68 sof_pdata->ipc_file_profile_base.ipc_t !! 93 /* TODO: read alternate fw and tplg filenames from DT */
69 sof_pdata->ipc_file_profile_base.fw_pa !! 94 sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path;
70 sof_pdata->ipc_file_profile_base.tplg_ !! 95 sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path;
71 96
72 /* set callback to be called on succes 97 /* set callback to be called on successful device probe to enable runtime_pm */
73 sof_pdata->sof_probe_complete = sof_of 98 sof_pdata->sof_probe_complete = sof_of_probe_complete;
74 99
75 /* call sof helper for DSP hardware pr 100 /* call sof helper for DSP hardware probe */
76 return snd_sof_device_probe(dev, sof_p 101 return snd_sof_device_probe(dev, sof_pdata);
77 } 102 }
78 EXPORT_SYMBOL(sof_of_probe); <<
79 103
80 void sof_of_remove(struct platform_device *pde !! 104 static int sof_of_remove(struct platform_device *pdev)
81 { 105 {
82 pm_runtime_disable(&pdev->dev); 106 pm_runtime_disable(&pdev->dev);
83 107
84 /* call sof helper for DSP hardware re 108 /* call sof helper for DSP hardware remove */
85 snd_sof_device_remove(&pdev->dev); 109 snd_sof_device_remove(&pdev->dev);
86 } <<
87 EXPORT_SYMBOL(sof_of_remove); <<
88 110
89 void sof_of_shutdown(struct platform_device *p !! 111 return 0;
90 { <<
91 snd_sof_device_shutdown(&pdev->dev); <<
92 } 112 }
93 EXPORT_SYMBOL(sof_of_shutdown); !! 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);
94 137
95 MODULE_LICENSE("Dual BSD/GPL"); 138 MODULE_LICENSE("Dual BSD/GPL");
96 MODULE_DESCRIPTION("SOF support for OF/DT plat <<
97 139
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