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 = {
24 !! 22 .default_fw_path = "imx/sof",
25 const struct dev_pm_ops sof_of_pm = { !! 23 .default_tplg_path = "imx/sof-tplg",
26 .prepare = snd_sof_prepare, !! 24 .default_fw_filename = "sof-imx8x.ri",
27 .complete = snd_sof_complete, !! 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 = {
28 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspen 49 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
29 SET_RUNTIME_PM_OPS(snd_sof_runtime_sus 50 SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
30 NULL) 51 NULL)
31 }; 52 };
32 EXPORT_SYMBOL(sof_of_pm); <<
33 53
34 static void sof_of_probe_complete(struct devic 54 static void sof_of_probe_complete(struct device *dev)
35 { 55 {
36 /* allow runtime_pm */ 56 /* allow runtime_pm */
37 pm_runtime_set_autosuspend_delay(dev, 57 pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
38 pm_runtime_use_autosuspend(dev); 58 pm_runtime_use_autosuspend(dev);
39 pm_runtime_mark_last_busy(dev); <<
40 pm_runtime_set_active(dev); <<
41 pm_runtime_enable(dev); 59 pm_runtime_enable(dev);
42 } 60 }
43 61
44 int sof_of_probe(struct platform_device *pdev) !! 62 static int sof_of_probe(struct platform_device *pdev)
45 { 63 {
46 struct device *dev = &pdev->dev; 64 struct device *dev = &pdev->dev;
47 const struct sof_dev_desc *desc; 65 const struct sof_dev_desc *desc;
48 struct snd_sof_pdata *sof_pdata; 66 struct snd_sof_pdata *sof_pdata;
>> 67 const struct snd_sof_dsp_ops *ops;
>> 68 int ret;
49 69
50 dev_info(&pdev->dev, "DT DSP detected" 70 dev_info(&pdev->dev, "DT DSP detected");
51 71
52 sof_pdata = devm_kzalloc(dev, sizeof(* 72 sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
53 if (!sof_pdata) 73 if (!sof_pdata)
54 return -ENOMEM; 74 return -ENOMEM;
55 75
56 desc = device_get_match_data(dev); 76 desc = device_get_match_data(dev);
57 if (!desc) 77 if (!desc)
58 return -ENODEV; 78 return -ENODEV;
59 79
60 if (!desc->ops) { !! 80 /* get ops for platform */
>> 81 ops = desc->ops;
>> 82 if (!ops) {
61 dev_err(dev, "error: no matchi 83 dev_err(dev, "error: no matching DT descriptor ops\n");
62 return -ENODEV; 84 return -ENODEV;
63 } 85 }
64 86
65 sof_pdata->desc = desc; 87 sof_pdata->desc = desc;
66 sof_pdata->dev = &pdev->dev; 88 sof_pdata->dev = &pdev->dev;
>> 89 sof_pdata->fw_filename = desc->default_fw_filename;
67 90
68 sof_pdata->ipc_file_profile_base.ipc_t !! 91 /* TODO: read alternate fw and tplg filenames from DT */
69 sof_pdata->ipc_file_profile_base.fw_pa !! 92 sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path;
70 sof_pdata->ipc_file_profile_base.tplg_ !! 93 sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path;
71 94
72 /* set callback to be called on succes !! 95 #if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
>> 96 /* set callback to enable runtime_pm */
73 sof_pdata->sof_probe_complete = sof_of 97 sof_pdata->sof_probe_complete = sof_of_probe_complete;
>> 98 #endif
>> 99 /* call sof helper for DSP hardware probe */
>> 100 ret = snd_sof_device_probe(dev, sof_pdata);
>> 101 if (ret) {
>> 102 dev_err(dev, "error: failed to probe DSP hardware\n");
>> 103 return ret;
>> 104 }
74 105
75 /* call sof helper for DSP hardware pr !! 106 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
76 return snd_sof_device_probe(dev, sof_p !! 107 sof_of_probe_complete(dev);
>> 108 #endif
>> 109
>> 110 return ret;
77 } 111 }
78 EXPORT_SYMBOL(sof_of_probe); <<
79 112
80 void sof_of_remove(struct platform_device *pde !! 113 static int sof_of_remove(struct platform_device *pdev)
81 { 114 {
82 pm_runtime_disable(&pdev->dev); 115 pm_runtime_disable(&pdev->dev);
83 116
84 /* call sof helper for DSP hardware re 117 /* call sof helper for DSP hardware remove */
85 snd_sof_device_remove(&pdev->dev); 118 snd_sof_device_remove(&pdev->dev);
86 } <<
87 EXPORT_SYMBOL(sof_of_remove); <<
88 119
89 void sof_of_shutdown(struct platform_device *p !! 120 return 0;
90 { <<
91 snd_sof_device_shutdown(&pdev->dev); <<
92 } 121 }
93 EXPORT_SYMBOL(sof_of_shutdown); !! 122
>> 123 static const struct of_device_id sof_of_ids[] = {
>> 124 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
>> 125 { .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
>> 126 { .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
>> 127 #endif
>> 128 #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
>> 129 { .compatible = "fsl,imx8mp-dsp", .data = &sof_of_imx8mp_desc},
>> 130 #endif
>> 131 { }
>> 132 };
>> 133 MODULE_DEVICE_TABLE(of, sof_of_ids);
>> 134
>> 135 /* DT driver definition */
>> 136 static struct platform_driver snd_sof_of_driver = {
>> 137 .probe = sof_of_probe,
>> 138 .remove = sof_of_remove,
>> 139 .driver = {
>> 140 .name = "sof-audio-of",
>> 141 .pm = &sof_of_pm,
>> 142 .of_match_table = sof_of_ids,
>> 143 },
>> 144 };
>> 145 module_platform_driver(snd_sof_of_driver);
94 146
95 MODULE_LICENSE("Dual BSD/GPL"); 147 MODULE_LICENSE("Dual BSD/GPL");
96 MODULE_DESCRIPTION("SOF support for OF/DT plat <<
97 148
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