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 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HASWELL)
34 module_param_named(sof_acpi_debug, sof_acpi_de !! 33 static const struct sof_dev_desc sof_acpi_haswell_desc = {
35 MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI deb !! 34 .machines = snd_soc_acpi_intel_haswell_machines,
>> 35 .resindex_lpe_base = 0,
>> 36 .resindex_pcicfg_base = 1,
>> 37 .resindex_imr_base = -1,
>> 38 .irqindex_host_ipc = 0,
>> 39 .chip_info = &hsw_chip_info,
>> 40 .default_fw_path = "intel/sof",
>> 41 .default_tplg_path = "intel/sof-tplg",
>> 42 .nocodec_fw_filename = "sof-hsw.ri",
>> 43 .nocodec_tplg_filename = "sof-hsw-nocodec.tplg",
>> 44 .ops = &sof_hsw_ops,
>> 45 .arch_ops = &sof_xtensa_arch_ops
>> 46 };
>> 47 #endif
>> 48
>> 49 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
>> 50 static const struct sof_dev_desc sof_acpi_broadwell_desc = {
>> 51 .machines = snd_soc_acpi_intel_broadwell_machines,
>> 52 .resindex_lpe_base = 0,
>> 53 .resindex_pcicfg_base = 1,
>> 54 .resindex_imr_base = -1,
>> 55 .irqindex_host_ipc = 0,
>> 56 .chip_info = &bdw_chip_info,
>> 57 .default_fw_path = "intel/sof",
>> 58 .default_tplg_path = "intel/sof-tplg",
>> 59 .nocodec_fw_filename = "sof-bdw.ri",
>> 60 .nocodec_tplg_filename = "sof-bdw-nocodec.tplg",
>> 61 .ops = &sof_bdw_ops,
>> 62 .arch_ops = &sof_xtensa_arch_ops
>> 63 };
>> 64 #endif
>> 65
>> 66 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
36 67
37 #define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0) !! 68 /* BYTCR uses different IRQ index */
>> 69 static const struct sof_dev_desc sof_acpi_baytrailcr_desc = {
>> 70 .machines = snd_soc_acpi_intel_baytrail_machines,
>> 71 .resindex_lpe_base = 0,
>> 72 .resindex_pcicfg_base = 1,
>> 73 .resindex_imr_base = 2,
>> 74 .irqindex_host_ipc = 0,
>> 75 .chip_info = &byt_chip_info,
>> 76 .default_fw_path = "intel/sof",
>> 77 .default_tplg_path = "intel/sof-tplg",
>> 78 .nocodec_fw_filename = "sof-byt.ri",
>> 79 .nocodec_tplg_filename = "sof-byt-nocodec.tplg",
>> 80 .ops = &sof_byt_ops,
>> 81 .arch_ops = &sof_xtensa_arch_ops
>> 82 };
>> 83
>> 84 static const struct sof_dev_desc sof_acpi_baytrail_desc = {
>> 85 .machines = snd_soc_acpi_intel_baytrail_machines,
>> 86 .resindex_lpe_base = 0,
>> 87 .resindex_pcicfg_base = 1,
>> 88 .resindex_imr_base = 2,
>> 89 .irqindex_host_ipc = 5,
>> 90 .chip_info = &byt_chip_info,
>> 91 .default_fw_path = "intel/sof",
>> 92 .default_tplg_path = "intel/sof-tplg",
>> 93 .nocodec_fw_filename = "sof-byt.ri",
>> 94 .nocodec_tplg_filename = "sof-byt-nocodec.tplg",
>> 95 .ops = &sof_byt_ops,
>> 96 .arch_ops = &sof_xtensa_arch_ops
>> 97 };
38 98
39 const struct dev_pm_ops sof_acpi_pm = { !! 99 static const struct sof_dev_desc sof_acpi_cherrytrail_desc = {
>> 100 .machines = snd_soc_acpi_intel_cherrytrail_machines,
>> 101 .resindex_lpe_base = 0,
>> 102 .resindex_pcicfg_base = 1,
>> 103 .resindex_imr_base = 2,
>> 104 .irqindex_host_ipc = 5,
>> 105 .chip_info = &cht_chip_info,
>> 106 .default_fw_path = "intel/sof",
>> 107 .default_tplg_path = "intel/sof-tplg",
>> 108 .nocodec_fw_filename = "sof-cht.ri",
>> 109 .nocodec_tplg_filename = "sof-cht-nocodec.tplg",
>> 110 .ops = &sof_cht_ops,
>> 111 .arch_ops = &sof_xtensa_arch_ops
>> 112 };
>> 113
>> 114 #endif
>> 115
>> 116 static const struct dev_pm_ops sof_acpi_pm = {
40 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspen 117 SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
41 SET_RUNTIME_PM_OPS(snd_sof_runtime_sus 118 SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
42 snd_sof_runtime_idl 119 snd_sof_runtime_idle)
43 }; 120 };
44 EXPORT_SYMBOL_NS(sof_acpi_pm, SND_SOC_SOF_ACPI <<
45 121
46 static void sof_acpi_probe_complete(struct dev 122 static void sof_acpi_probe_complete(struct device *dev)
47 { 123 {
48 dev_dbg(dev, "Completing SOF ACPI prob <<
49 <<
50 if (sof_acpi_debug & SOF_ACPI_DISABLE_ <<
51 return; <<
52 <<
53 /* allow runtime_pm */ 124 /* allow runtime_pm */
54 pm_runtime_set_autosuspend_delay(dev, 125 pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
55 pm_runtime_use_autosuspend(dev); 126 pm_runtime_use_autosuspend(dev);
56 pm_runtime_enable(dev); 127 pm_runtime_enable(dev);
57 } 128 }
58 129
59 int sof_acpi_probe(struct platform_device *pde !! 130 static int sof_acpi_probe(struct platform_device *pdev)
60 { 131 {
61 struct device *dev = &pdev->dev; 132 struct device *dev = &pdev->dev;
>> 133 const struct sof_dev_desc *desc;
>> 134 struct snd_soc_acpi_mach *mach;
62 struct snd_sof_pdata *sof_pdata; 135 struct snd_sof_pdata *sof_pdata;
>> 136 const struct snd_sof_dsp_ops *ops;
>> 137 int ret;
63 138
64 dev_dbg(dev, "ACPI DSP detected"); !! 139 dev_dbg(&pdev->dev, "ACPI DSP detected");
65 140
66 sof_pdata = devm_kzalloc(dev, sizeof(* 141 sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
67 if (!sof_pdata) 142 if (!sof_pdata)
68 return -ENOMEM; 143 return -ENOMEM;
69 144
70 if (!desc->ops) { !! 145 desc = device_get_match_data(dev);
>> 146 if (!desc)
>> 147 return -ENODEV;
>> 148
>> 149 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
>> 150 if (desc == &sof_acpi_baytrail_desc && soc_intel_is_byt_cr(pdev))
>> 151 desc = &sof_acpi_baytrailcr_desc;
>> 152 #endif
>> 153
>> 154 /* get ops for platform */
>> 155 ops = desc->ops;
>> 156 if (!ops) {
71 dev_err(dev, "error: no matchi 157 dev_err(dev, "error: no matching ACPI descriptor ops\n");
72 return -ENODEV; 158 return -ENODEV;
73 } 159 }
74 160
>> 161 #if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
>> 162 /* force nocodec mode */
>> 163 dev_warn(dev, "Force to use nocodec mode\n");
>> 164 mach = devm_kzalloc(dev, sizeof(*mach), GFP_KERNEL);
>> 165 if (!mach)
>> 166 return -ENOMEM;
>> 167 ret = sof_nocodec_setup(dev, sof_pdata, mach, desc, ops);
>> 168 if (ret < 0)
>> 169 return ret;
>> 170 #else
>> 171 /* find machine */
>> 172 mach = snd_soc_acpi_find_machine(desc->machines);
>> 173 if (!mach) {
>> 174 dev_warn(dev, "warning: No matching ASoC machine driver found\n");
>> 175 } else {
>> 176 sof_pdata->fw_filename = mach->sof_fw_filename;
>> 177 sof_pdata->tplg_filename = mach->sof_tplg_filename;
>> 178 }
>> 179 #endif
>> 180
>> 181 if (mach) {
>> 182 mach->mach_params.platform = dev_name(dev);
>> 183 mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
>> 184 }
>> 185
>> 186 sof_pdata->machine = mach;
75 sof_pdata->desc = desc; 187 sof_pdata->desc = desc;
76 sof_pdata->dev = &pdev->dev; 188 sof_pdata->dev = &pdev->dev;
>> 189 sof_pdata->platform = dev_name(dev);
77 190
78 sof_pdata->ipc_file_profile_base.ipc_t !! 191 /* alternate fw and tplg filenames ? */
79 sof_pdata->ipc_file_profile_base.fw_pa !! 192 if (fw_path)
80 sof_pdata->ipc_file_profile_base.tplg_ !! 193 sof_pdata->fw_filename_prefix = fw_path;
>> 194 else
>> 195 sof_pdata->fw_filename_prefix =
>> 196 sof_pdata->desc->default_fw_path;
>> 197
>> 198 if (tplg_path)
>> 199 sof_pdata->tplg_filename_prefix = tplg_path;
>> 200 else
>> 201 sof_pdata->tplg_filename_prefix =
>> 202 sof_pdata->desc->default_tplg_path;
81 203
82 /* set callback to be called on succes !! 204 #if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
>> 205 /* set callback to enable runtime_pm */
83 sof_pdata->sof_probe_complete = sof_ac 206 sof_pdata->sof_probe_complete = sof_acpi_probe_complete;
84 !! 207 #endif
85 /* call sof helper for DSP hardware pr 208 /* call sof helper for DSP hardware probe */
86 return snd_sof_device_probe(dev, sof_p !! 209 ret = snd_sof_device_probe(dev, sof_pdata);
>> 210 if (ret) {
>> 211 dev_err(dev, "error: failed to probe DSP hardware!\n");
>> 212 return ret;
>> 213 }
>> 214
>> 215 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
>> 216 sof_acpi_probe_complete(dev);
>> 217 #endif
>> 218
>> 219 return ret;
87 } 220 }
88 EXPORT_SYMBOL_NS(sof_acpi_probe, SND_SOC_SOF_A <<
89 221
90 void sof_acpi_remove(struct platform_device *p !! 222 static int sof_acpi_remove(struct platform_device *pdev)
91 { 223 {
92 struct device *dev = &pdev->dev; !! 224 pm_runtime_disable(&pdev->dev);
93 <<
94 if (!(sof_acpi_debug & SOF_ACPI_DISABL <<
95 pm_runtime_disable(dev); <<
96 225
97 /* call sof helper for DSP hardware re 226 /* call sof helper for DSP hardware remove */
98 snd_sof_device_remove(dev); !! 227 snd_sof_device_remove(&pdev->dev);
>> 228
>> 229 return 0;
99 } 230 }
100 EXPORT_SYMBOL_NS(sof_acpi_remove, SND_SOC_SOF_ !! 231
>> 232 static const struct acpi_device_id sof_acpi_match[] = {
>> 233 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HASWELL)
>> 234 { "INT33C8", (unsigned long)&sof_acpi_haswell_desc },
>> 235 #endif
>> 236 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
>> 237 { "INT3438", (unsigned long)&sof_acpi_broadwell_desc },
>> 238 #endif
>> 239 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
>> 240 { "80860F28", (unsigned long)&sof_acpi_baytrail_desc },
>> 241 { "808622A8", (unsigned long)&sof_acpi_cherrytrail_desc },
>> 242 #endif
>> 243 { }
>> 244 };
>> 245 MODULE_DEVICE_TABLE(acpi, sof_acpi_match);
>> 246
>> 247 /* acpi_driver definition */
>> 248 static struct platform_driver snd_sof_acpi_driver = {
>> 249 .probe = sof_acpi_probe,
>> 250 .remove = sof_acpi_remove,
>> 251 .driver = {
>> 252 .name = "sof-audio-acpi",
>> 253 .pm = &sof_acpi_pm,
>> 254 .acpi_match_table = ACPI_PTR(sof_acpi_match),
>> 255 },
>> 256 };
>> 257 module_platform_driver(snd_sof_acpi_driver);
101 258
102 MODULE_LICENSE("Dual BSD/GPL"); 259 MODULE_LICENSE("Dual BSD/GPL");
103 MODULE_DESCRIPTION("SOF support for ACPI platf <<
104 260
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