1 // SPDX-License-Identifier: (GPL-2.0-only OR B 1
2 //
3 // This file is provided under a dual BSD/GPLv
4 // redistributing this file, you may do so und
5 //
6 // Copyright(c) 2018 Intel Corporation
7 //
8 // Author: Liam Girdwood <liam.r.girdwood@linu
9 //
10
11 #include <linux/acpi.h>
12 #include <linux/firmware.h>
13 #include <linux/module.h>
14 #include <linux/pm_runtime.h>
15 #include <sound/soc-acpi.h>
16 #include <sound/soc-acpi-intel-match.h>
17 #include <sound/sof.h>
18 #include "../intel/common/soc-intel-quirks.h"
19 #include "ops.h"
20 #include "sof-acpi-dev.h"
21
22 /* platform specific devices */
23 #include "intel/shim.h"
24
25 static char *fw_path;
26 module_param(fw_path, charp, 0444);
27 MODULE_PARM_DESC(fw_path, "alternate path for
28
29 static char *tplg_path;
30 module_param(tplg_path, charp, 0444);
31 MODULE_PARM_DESC(tplg_path, "alternate path fo
32
33 static int sof_acpi_debug;
34 module_param_named(sof_acpi_debug, sof_acpi_de
35 MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI deb
36
37 #define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0)
38
39 const struct dev_pm_ops sof_acpi_pm = {
40 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspen
41 SET_RUNTIME_PM_OPS(snd_sof_runtime_sus
42 snd_sof_runtime_idl
43 };
44 EXPORT_SYMBOL_NS(sof_acpi_pm, SND_SOC_SOF_ACPI
45
46 static void sof_acpi_probe_complete(struct dev
47 {
48 dev_dbg(dev, "Completing SOF ACPI prob
49
50 if (sof_acpi_debug & SOF_ACPI_DISABLE_
51 return;
52
53 /* allow runtime_pm */
54 pm_runtime_set_autosuspend_delay(dev,
55 pm_runtime_use_autosuspend(dev);
56 pm_runtime_enable(dev);
57 }
58
59 int sof_acpi_probe(struct platform_device *pde
60 {
61 struct device *dev = &pdev->dev;
62 struct snd_sof_pdata *sof_pdata;
63
64 dev_dbg(dev, "ACPI DSP detected");
65
66 sof_pdata = devm_kzalloc(dev, sizeof(*
67 if (!sof_pdata)
68 return -ENOMEM;
69
70 if (!desc->ops) {
71 dev_err(dev, "error: no matchi
72 return -ENODEV;
73 }
74
75 sof_pdata->desc = desc;
76 sof_pdata->dev = &pdev->dev;
77
78 sof_pdata->ipc_file_profile_base.ipc_t
79 sof_pdata->ipc_file_profile_base.fw_pa
80 sof_pdata->ipc_file_profile_base.tplg_
81
82 /* set callback to be called on succes
83 sof_pdata->sof_probe_complete = sof_ac
84
85 /* call sof helper for DSP hardware pr
86 return snd_sof_device_probe(dev, sof_p
87 }
88 EXPORT_SYMBOL_NS(sof_acpi_probe, SND_SOC_SOF_A
89
90 void sof_acpi_remove(struct platform_device *p
91 {
92 struct device *dev = &pdev->dev;
93
94 if (!(sof_acpi_debug & SOF_ACPI_DISABL
95 pm_runtime_disable(dev);
96
97 /* call sof helper for DSP hardware re
98 snd_sof_device_remove(dev);
99 }
100 EXPORT_SYMBOL_NS(sof_acpi_remove, SND_SOC_SOF_
101
102 MODULE_LICENSE("Dual BSD/GPL");
103 MODULE_DESCRIPTION("SOF support for ACPI platf
104
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