1 // SPDX-License-Identifier: (GPL-2.0-only OR B !! 1 // SPDX-License-Identifier: (GPL-2.0 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
20 !! 18 /* platform specific devices */
21 static char *tplg_path; !! 19 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
22 module_param(tplg_path, charp, 0444); !! 20 static struct sof_dev_desc sof_of_imx8qxp_desc = {
23 MODULE_PARM_DESC(tplg_path, "alternate path fo !! 21 .default_fw_path = "imx/sof",
24 !! 22 .default_tplg_path = "imx/sof-tplg",
25 const struct dev_pm_ops sof_of_pm = { !! 23 .default_fw_filename = "sof-imx8x.ri",
26 .prepare = snd_sof_prepare, !! 24 .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
27 .complete = snd_sof_complete, !! 25 .ops = &sof_imx8x_ops,
>> 26 };
>> 27
>> 28 static struct sof_dev_desc sof_of_imx8qm_desc = {
>> 29 .default_fw_path = "imx/sof",
>> 30 .default_tplg_path = "imx/sof-tplg",
>> 31 .default_fw_filename = "sof-imx8.ri",
>> 32 .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
>> 33 .ops = &sof_imx8_ops,
>> 34 };
>> 35 #endif
>> 36
>> 37 static const struct dev_pm_ops sof_of_pm = {
28 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspen 38 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
29 SET_RUNTIME_PM_OPS(snd_sof_runtime_sus 39 SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
30 NULL) 40 NULL)
31 }; 41 };
32 EXPORT_SYMBOL(sof_of_pm); <<
33 42
34 static void sof_of_probe_complete(struct devic 43 static void sof_of_probe_complete(struct device *dev)
35 { 44 {
36 /* allow runtime_pm */ 45 /* allow runtime_pm */
37 pm_runtime_set_autosuspend_delay(dev, 46 pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
38 pm_runtime_use_autosuspend(dev); 47 pm_runtime_use_autosuspend(dev);
39 pm_runtime_mark_last_busy(dev); <<
40 pm_runtime_set_active(dev); <<
41 pm_runtime_enable(dev); 48 pm_runtime_enable(dev);
42 } 49 }
43 50
44 int sof_of_probe(struct platform_device *pdev) !! 51 static int sof_of_probe(struct platform_device *pdev)
45 { 52 {
46 struct device *dev = &pdev->dev; 53 struct device *dev = &pdev->dev;
47 const struct sof_dev_desc *desc; 54 const struct sof_dev_desc *desc;
48 struct snd_sof_pdata *sof_pdata; 55 struct snd_sof_pdata *sof_pdata;
>> 56 const struct snd_sof_dsp_ops *ops;
>> 57 int ret;
49 58
50 dev_info(&pdev->dev, "DT DSP detected" 59 dev_info(&pdev->dev, "DT DSP detected");
51 60
52 sof_pdata = devm_kzalloc(dev, sizeof(* 61 sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
53 if (!sof_pdata) 62 if (!sof_pdata)
54 return -ENOMEM; 63 return -ENOMEM;
55 64
56 desc = device_get_match_data(dev); 65 desc = device_get_match_data(dev);
57 if (!desc) 66 if (!desc)
58 return -ENODEV; 67 return -ENODEV;
59 68
60 if (!desc->ops) { !! 69 /* get ops for platform */
>> 70 ops = desc->ops;
>> 71 if (!ops) {
61 dev_err(dev, "error: no matchi 72 dev_err(dev, "error: no matching DT descriptor ops\n");
62 return -ENODEV; 73 return -ENODEV;
63 } 74 }
64 75
65 sof_pdata->desc = desc; 76 sof_pdata->desc = desc;
66 sof_pdata->dev = &pdev->dev; 77 sof_pdata->dev = &pdev->dev;
>> 78 sof_pdata->fw_filename = desc->default_fw_filename;
67 79
68 sof_pdata->ipc_file_profile_base.ipc_t !! 80 /* TODO: read alternate fw and tplg filenames from DT */
69 sof_pdata->ipc_file_profile_base.fw_pa !! 81 sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path;
70 sof_pdata->ipc_file_profile_base.tplg_ !! 82 sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path;
71 83
72 /* set callback to be called on succes !! 84 #if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
>> 85 /* set callback to enable runtime_pm */
73 sof_pdata->sof_probe_complete = sof_of 86 sof_pdata->sof_probe_complete = sof_of_probe_complete;
>> 87 #endif
>> 88 /* call sof helper for DSP hardware probe */
>> 89 ret = snd_sof_device_probe(dev, sof_pdata);
>> 90 if (ret) {
>> 91 dev_err(dev, "error: failed to probe DSP hardware\n");
>> 92 return ret;
>> 93 }
>> 94
>> 95 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
>> 96 sof_of_probe_complete(dev);
>> 97 #endif
74 98
75 /* call sof helper for DSP hardware pr !! 99 return ret;
76 return snd_sof_device_probe(dev, sof_p <<
77 } 100 }
78 EXPORT_SYMBOL(sof_of_probe); <<
79 101
80 void sof_of_remove(struct platform_device *pde !! 102 static int sof_of_remove(struct platform_device *pdev)
81 { 103 {
82 pm_runtime_disable(&pdev->dev); 104 pm_runtime_disable(&pdev->dev);
83 105
84 /* call sof helper for DSP hardware re 106 /* call sof helper for DSP hardware remove */
85 snd_sof_device_remove(&pdev->dev); 107 snd_sof_device_remove(&pdev->dev);
86 } <<
87 EXPORT_SYMBOL(sof_of_remove); <<
88 108
89 void sof_of_shutdown(struct platform_device *p !! 109 return 0;
90 { <<
91 snd_sof_device_shutdown(&pdev->dev); <<
92 } 110 }
93 EXPORT_SYMBOL(sof_of_shutdown); !! 111
>> 112 static const struct of_device_id sof_of_ids[] = {
>> 113 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
>> 114 { .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
>> 115 { .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
>> 116 #endif
>> 117 { }
>> 118 };
>> 119 MODULE_DEVICE_TABLE(of, sof_of_ids);
>> 120
>> 121 /* DT driver definition */
>> 122 static struct platform_driver snd_sof_of_driver = {
>> 123 .probe = sof_of_probe,
>> 124 .remove = sof_of_remove,
>> 125 .driver = {
>> 126 .name = "sof-audio-of",
>> 127 .pm = &sof_of_pm,
>> 128 .of_match_table = sof_of_ids,
>> 129 },
>> 130 };
>> 131 module_platform_driver(snd_sof_of_driver);
94 132
95 MODULE_LICENSE("Dual BSD/GPL"); 133 MODULE_LICENSE("Dual BSD/GPL");
96 MODULE_DESCRIPTION("SOF support for OF/DT plat <<
97 134
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