1 // SPDX-License-Identifier: (GPL-2.0-only OR B !! 1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 // 2 //
3 // This file is provided under a dual BSD/GPLv 3 // This file is provided under a dual BSD/GPLv2 license. When using or
4 // redistributing this file, you may do so und 4 // redistributing this file, you may do so under either license.
5 // 5 //
6 // Copyright(c) 2018 Intel Corporation !! 6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
7 // 7 //
8 // Author: Liam Girdwood <liam.r.girdwood@linu 8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 // 9 //
10 10
11 #include <linux/acpi.h> 11 #include <linux/acpi.h>
12 #include <linux/firmware.h> 12 #include <linux/firmware.h>
13 #include <linux/module.h> 13 #include <linux/module.h>
14 #include <linux/pm_runtime.h> 14 #include <linux/pm_runtime.h>
15 #include <sound/soc-acpi.h> 15 #include <sound/soc-acpi.h>
16 #include <sound/soc-acpi-intel-match.h> 16 #include <sound/soc-acpi-intel-match.h>
17 #include <sound/sof.h> 17 #include <sound/sof.h>
18 #include "../intel/common/soc-intel-quirks.h" 18 #include "../intel/common/soc-intel-quirks.h"
19 #include "ops.h" 19 #include "ops.h"
20 #include "sof-acpi-dev.h" <<
21 20
22 /* platform specific devices */ 21 /* platform specific devices */
23 #include "intel/shim.h" 22 #include "intel/shim.h"
24 23
25 static char *fw_path; 24 static char *fw_path;
26 module_param(fw_path, charp, 0444); 25 module_param(fw_path, charp, 0444);
27 MODULE_PARM_DESC(fw_path, "alternate path for 26 MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
28 27
29 static char *tplg_path; 28 static char *tplg_path;
30 module_param(tplg_path, charp, 0444); 29 module_param(tplg_path, charp, 0444);
31 MODULE_PARM_DESC(tplg_path, "alternate path fo 30 MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
32 31
33 static int sof_acpi_debug; 32 static int sof_acpi_debug;
34 module_param_named(sof_acpi_debug, sof_acpi_de 33 module_param_named(sof_acpi_debug, sof_acpi_debug, int, 0444);
35 MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI deb 34 MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI debug options (0x0 all off)");
36 35
37 #define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0) 36 #define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0)
38 37
39 const struct dev_pm_ops sof_acpi_pm = { !! 38 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
>> 39 static const struct sof_dev_desc sof_acpi_broadwell_desc = {
>> 40 .machines = snd_soc_acpi_intel_broadwell_machines,
>> 41 .resindex_lpe_base = 0,
>> 42 .resindex_pcicfg_base = 1,
>> 43 .resindex_imr_base = -1,
>> 44 .irqindex_host_ipc = 0,
>> 45 .chip_info = &bdw_chip_info,
>> 46 .default_fw_path = "intel/sof",
>> 47 .default_tplg_path = "intel/sof-tplg",
>> 48 .default_fw_filename = "sof-bdw.ri",
>> 49 .nocodec_tplg_filename = "sof-bdw-nocodec.tplg",
>> 50 .ops = &sof_bdw_ops,
>> 51 };
>> 52 #endif
>> 53
>> 54 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
>> 55
>> 56 /* BYTCR uses different IRQ index */
>> 57 static const struct sof_dev_desc sof_acpi_baytrailcr_desc = {
>> 58 .machines = snd_soc_acpi_intel_baytrail_machines,
>> 59 .resindex_lpe_base = 0,
>> 60 .resindex_pcicfg_base = 1,
>> 61 .resindex_imr_base = 2,
>> 62 .irqindex_host_ipc = 0,
>> 63 .chip_info = &byt_chip_info,
>> 64 .default_fw_path = "intel/sof",
>> 65 .default_tplg_path = "intel/sof-tplg",
>> 66 .default_fw_filename = "sof-byt.ri",
>> 67 .nocodec_tplg_filename = "sof-byt-nocodec.tplg",
>> 68 .ops = &sof_byt_ops,
>> 69 };
>> 70
>> 71 static const struct sof_dev_desc sof_acpi_baytrail_desc = {
>> 72 .machines = snd_soc_acpi_intel_baytrail_machines,
>> 73 .resindex_lpe_base = 0,
>> 74 .resindex_pcicfg_base = 1,
>> 75 .resindex_imr_base = 2,
>> 76 .irqindex_host_ipc = 5,
>> 77 .chip_info = &byt_chip_info,
>> 78 .default_fw_path = "intel/sof",
>> 79 .default_tplg_path = "intel/sof-tplg",
>> 80 .default_fw_filename = "sof-byt.ri",
>> 81 .nocodec_tplg_filename = "sof-byt-nocodec.tplg",
>> 82 .ops = &sof_byt_ops,
>> 83 };
>> 84
>> 85 static const struct sof_dev_desc sof_acpi_cherrytrail_desc = {
>> 86 .machines = snd_soc_acpi_intel_cherrytrail_machines,
>> 87 .resindex_lpe_base = 0,
>> 88 .resindex_pcicfg_base = 1,
>> 89 .resindex_imr_base = 2,
>> 90 .irqindex_host_ipc = 5,
>> 91 .chip_info = &cht_chip_info,
>> 92 .default_fw_path = "intel/sof",
>> 93 .default_tplg_path = "intel/sof-tplg",
>> 94 .default_fw_filename = "sof-cht.ri",
>> 95 .nocodec_tplg_filename = "sof-cht-nocodec.tplg",
>> 96 .ops = &sof_cht_ops,
>> 97 };
>> 98
>> 99 #endif
>> 100
>> 101 static const struct dev_pm_ops sof_acpi_pm = {
40 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspen 102 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
41 SET_RUNTIME_PM_OPS(snd_sof_runtime_sus 103 SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
42 snd_sof_runtime_idl 104 snd_sof_runtime_idle)
43 }; 105 };
44 EXPORT_SYMBOL_NS(sof_acpi_pm, SND_SOC_SOF_ACPI <<
45 106
46 static void sof_acpi_probe_complete(struct dev 107 static void sof_acpi_probe_complete(struct device *dev)
47 { 108 {
48 dev_dbg(dev, "Completing SOF ACPI prob <<
49 <<
50 if (sof_acpi_debug & SOF_ACPI_DISABLE_ 109 if (sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME)
51 return; 110 return;
52 111
53 /* allow runtime_pm */ 112 /* allow runtime_pm */
54 pm_runtime_set_autosuspend_delay(dev, 113 pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
55 pm_runtime_use_autosuspend(dev); 114 pm_runtime_use_autosuspend(dev);
56 pm_runtime_enable(dev); 115 pm_runtime_enable(dev);
57 } 116 }
58 117
59 int sof_acpi_probe(struct platform_device *pde !! 118 static int sof_acpi_probe(struct platform_device *pdev)
60 { 119 {
61 struct device *dev = &pdev->dev; 120 struct device *dev = &pdev->dev;
>> 121 const struct sof_dev_desc *desc;
62 struct snd_sof_pdata *sof_pdata; 122 struct snd_sof_pdata *sof_pdata;
>> 123 const struct snd_sof_dsp_ops *ops;
>> 124 int ret;
63 125
64 dev_dbg(dev, "ACPI DSP detected"); !! 126 dev_dbg(&pdev->dev, "ACPI DSP detected");
65 127
66 sof_pdata = devm_kzalloc(dev, sizeof(* 128 sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
67 if (!sof_pdata) 129 if (!sof_pdata)
68 return -ENOMEM; 130 return -ENOMEM;
69 131
70 if (!desc->ops) { !! 132 desc = device_get_match_data(dev);
>> 133 if (!desc)
>> 134 return -ENODEV;
>> 135
>> 136 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
>> 137 if (desc == &sof_acpi_baytrail_desc && soc_intel_is_byt_cr(pdev))
>> 138 desc = &sof_acpi_baytrailcr_desc;
>> 139 #endif
>> 140
>> 141 /* get ops for platform */
>> 142 ops = desc->ops;
>> 143 if (!ops) {
71 dev_err(dev, "error: no matchi 144 dev_err(dev, "error: no matching ACPI descriptor ops\n");
72 return -ENODEV; 145 return -ENODEV;
73 } 146 }
74 147
75 sof_pdata->desc = desc; 148 sof_pdata->desc = desc;
76 sof_pdata->dev = &pdev->dev; 149 sof_pdata->dev = &pdev->dev;
>> 150 sof_pdata->fw_filename = desc->default_fw_filename;
77 151
78 sof_pdata->ipc_file_profile_base.ipc_t !! 152 /* alternate fw and tplg filenames ? */
79 sof_pdata->ipc_file_profile_base.fw_pa !! 153 if (fw_path)
80 sof_pdata->ipc_file_profile_base.tplg_ !! 154 sof_pdata->fw_filename_prefix = fw_path;
>> 155 else
>> 156 sof_pdata->fw_filename_prefix =
>> 157 sof_pdata->desc->default_fw_path;
>> 158
>> 159 if (tplg_path)
>> 160 sof_pdata->tplg_filename_prefix = tplg_path;
>> 161 else
>> 162 sof_pdata->tplg_filename_prefix =
>> 163 sof_pdata->desc->default_tplg_path;
81 164
82 /* set callback to be called on succes !! 165 #if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
>> 166 /* set callback to enable runtime_pm */
83 sof_pdata->sof_probe_complete = sof_ac 167 sof_pdata->sof_probe_complete = sof_acpi_probe_complete;
84 !! 168 #endif
85 /* call sof helper for DSP hardware pr 169 /* call sof helper for DSP hardware probe */
86 return snd_sof_device_probe(dev, sof_p !! 170 ret = snd_sof_device_probe(dev, sof_pdata);
>> 171 if (ret) {
>> 172 dev_err(dev, "error: failed to probe DSP hardware!\n");
>> 173 return ret;
>> 174 }
>> 175
>> 176 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
>> 177 sof_acpi_probe_complete(dev);
>> 178 #endif
>> 179
>> 180 return ret;
87 } 181 }
88 EXPORT_SYMBOL_NS(sof_acpi_probe, SND_SOC_SOF_A <<
89 182
90 void sof_acpi_remove(struct platform_device *p !! 183 static int sof_acpi_remove(struct platform_device *pdev)
91 { 184 {
92 struct device *dev = &pdev->dev; <<
93 <<
94 if (!(sof_acpi_debug & SOF_ACPI_DISABL 185 if (!(sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME))
95 pm_runtime_disable(dev); !! 186 pm_runtime_disable(&pdev->dev);
96 187
97 /* call sof helper for DSP hardware re 188 /* call sof helper for DSP hardware remove */
98 snd_sof_device_remove(dev); !! 189 snd_sof_device_remove(&pdev->dev);
>> 190
>> 191 return 0;
99 } 192 }
100 EXPORT_SYMBOL_NS(sof_acpi_remove, SND_SOC_SOF_ !! 193
>> 194 static const struct acpi_device_id sof_acpi_match[] = {
>> 195 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
>> 196 { "INT3438", (unsigned long)&sof_acpi_broadwell_desc },
>> 197 #endif
>> 198 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
>> 199 { "80860F28", (unsigned long)&sof_acpi_baytrail_desc },
>> 200 { "808622A8", (unsigned long)&sof_acpi_cherrytrail_desc },
>> 201 #endif
>> 202 { }
>> 203 };
>> 204 MODULE_DEVICE_TABLE(acpi, sof_acpi_match);
>> 205
>> 206 /* acpi_driver definition */
>> 207 static struct platform_driver snd_sof_acpi_driver = {
>> 208 .probe = sof_acpi_probe,
>> 209 .remove = sof_acpi_remove,
>> 210 .driver = {
>> 211 .name = "sof-audio-acpi",
>> 212 .pm = &sof_acpi_pm,
>> 213 .acpi_match_table = ACPI_PTR(sof_acpi_match),
>> 214 },
>> 215 };
>> 216 module_platform_driver(snd_sof_acpi_driver);
101 217
102 MODULE_LICENSE("Dual BSD/GPL"); 218 MODULE_LICENSE("Dual BSD/GPL");
103 MODULE_DESCRIPTION("SOF support for ACPI platf !! 219 MODULE_IMPORT_NS(SND_SOC_SOF_BAYTRAIL);
>> 220 MODULE_IMPORT_NS(SND_SOC_SOF_BROADWELL);
104 221
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