1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
|
// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2018 Intel Corporation. All rights reserved.
//
// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
//
#include <linux/acpi.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <sound/soc-acpi.h>
#include <sound/soc-acpi-intel-match.h>
#include <sound/sof.h>
#include "../intel/common/soc-intel-quirks.h"
#include "ops.h"
/* platform specific devices */
#include "intel/shim.h"
static char *fw_path;
module_param(fw_path, charp, 0444);
MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
static char *tplg_path;
module_param(tplg_path, charp, 0444);
MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
static int sof_acpi_debug;
module_param_named(sof_acpi_debug, sof_acpi_debug, int, 0444);
MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI debug options (0x0 all off)");
#define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0)
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HASWELL)
static const struct sof_dev_desc sof_acpi_haswell_desc = {
.machines = snd_soc_acpi_intel_haswell_machines,
.resindex_lpe_base = 0,
.resindex_pcicfg_base = 1,
.resindex_imr_base = -1,
.irqindex_host_ipc = 0,
.chip_info = &hsw_chip_info,
.default_fw_path = "intel/sof",
.default_tplg_path = "intel/sof-tplg",
.nocodec_fw_filename = "sof-hsw.ri",
.nocodec_tplg_filename = "sof-hsw-nocodec.tplg",
.ops = &sof_hsw_ops,
.arch_ops = &sof_xtensa_arch_ops
};
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
static const struct sof_dev_desc sof_acpi_broadwell_desc = {
.machines = snd_soc_acpi_intel_broadwell_machines,
.resindex_lpe_base = 0,
.resindex_pcicfg_base = 1,
.resindex_imr_base = -1,
.irqindex_host_ipc = 0,
.chip_info = &bdw_chip_info,
.default_fw_path = "intel/sof",
.default_tplg_path = "intel/sof-tplg",
.nocodec_fw_filename = "sof-bdw.ri",
.nocodec_tplg_filename = "sof-bdw-nocodec.tplg",
.ops = &sof_bdw_ops,
.arch_ops = &sof_xtensa_arch_ops
};
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
/* BYTCR uses different IRQ index */
static const struct sof_dev_desc sof_acpi_baytrailcr_desc = {
.machines = snd_soc_acpi_intel_baytrail_machines,
.resindex_lpe_base = 0,
.resindex_pcicfg_base = 1,
.resindex_imr_base = 2,
.irqindex_host_ipc = 0,
.chip_info = &byt_chip_info,
.default_fw_path = "intel/sof",
.default_tplg_path = "intel/sof-tplg",
.nocodec_fw_filename = "sof-byt.ri",
.nocodec_tplg_filename = "sof-byt-nocodec.tplg",
.ops = &sof_byt_ops,
.arch_ops = &sof_xtensa_arch_ops
};
static const struct sof_dev_desc sof_acpi_baytrail_desc = {
.machines = snd_soc_acpi_intel_baytrail_machines,
.resindex_lpe_base = 0,
.resindex_pcicfg_base = 1,
.resindex_imr_base = 2,
.irqindex_host_ipc = 5,
.chip_info = &byt_chip_info,
.default_fw_path = "intel/sof",
.default_tplg_path = "intel/sof-tplg",
.nocodec_fw_filename = "sof-byt.ri",
.nocodec_tplg_filename = "sof-byt-nocodec.tplg",
.ops = &sof_byt_ops,
.arch_ops = &sof_xtensa_arch_ops
};
static const struct sof_dev_desc sof_acpi_cherrytrail_desc = {
.machines = snd_soc_acpi_intel_cherrytrail_machines,
.resindex_lpe_base = 0,
.resindex_pcicfg_base = 1,
.resindex_imr_base = 2,
.irqindex_host_ipc = 5,
.chip_info = &cht_chip_info,
.default_fw_path = "intel/sof",
.default_tplg_path = "intel/sof-tplg",
.nocodec_fw_filename = "sof-cht.ri",
.nocodec_tplg_filename = "sof-cht-nocodec.tplg",
.ops = &sof_cht_ops,
.arch_ops = &sof_xtensa_arch_ops
};
#endif
static const struct dev_pm_ops sof_acpi_pm = {
SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
snd_sof_runtime_idle)
};
static void sof_acpi_probe_complete(struct device *dev)
{
if (sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME)
return;
/* allow runtime_pm */
pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
pm_runtime_use_autosuspend(dev);
pm_runtime_enable(dev);
}
static int sof_acpi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
const struct sof_dev_desc *desc;
struct snd_soc_acpi_mach *mach;
struct snd_sof_pdata *sof_pdata;
const struct snd_sof_dsp_ops *ops;
int ret;
dev_dbg(&pdev->dev, "ACPI DSP detected");
sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
if (!sof_pdata)
return -ENOMEM;
desc = device_get_match_data(dev);
if (!desc)
return -ENODEV;
#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
if (desc == &sof_acpi_baytrail_desc && soc_intel_is_byt_cr(pdev))
desc = &sof_acpi_baytrailcr_desc;
#endif
/* get ops for platform */
ops = desc->ops;
if (!ops) {
dev_err(dev, "error: no matching ACPI descriptor ops\n");
return -ENODEV;
}
#if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
/* force nocodec mode */
dev_warn(dev, "Force to use nocodec mode\n");
mach = devm_kzalloc(dev, sizeof(*mach), GFP_KERNEL);
if (!mach)
return -ENOMEM;
ret = sof_nocodec_setup(dev, sof_pdata, mach, desc, ops);
if (ret < 0)
return ret;
#else
/* find machine */
mach = snd_soc_acpi_find_machine(desc->machines);
if (!mach) {
dev_warn(dev, "warning: No matching ASoC machine driver found\n");
} else {
sof_pdata->fw_filename = mach->sof_fw_filename;
sof_pdata->tplg_filename = mach->sof_tplg_filename;
}
#endif
if (mach) {
mach->mach_params.platform = dev_name(dev);
mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
}
sof_pdata->machine = mach;
sof_pdata->desc = desc;
sof_pdata->dev = &pdev->dev;
sof_pdata->platform = dev_name(dev);
/* alternate fw and tplg filenames ? */
if (fw_path)
sof_pdata->fw_filename_prefix = fw_path;
else
sof_pdata->fw_filename_prefix =
sof_pdata->desc->default_fw_path;
if (tplg_path)
sof_pdata->tplg_filename_prefix = tplg_path;
else
sof_pdata->tplg_filename_prefix =
sof_pdata->desc->default_tplg_path;
#if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
/* set callback to enable runtime_pm */
sof_pdata->sof_probe_complete = sof_acpi_probe_complete;
#endif
/* call sof helper for DSP hardware probe */
ret = snd_sof_device_probe(dev, sof_pdata);
if (ret) {
dev_err(dev, "error: failed to probe DSP hardware!\n");
return ret;
}
#if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
sof_acpi_probe_complete(dev);
#endif
return ret;
}
static int sof_acpi_remove(struct platform_device *pdev)
{
if (!(sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME))
pm_runtime_disable(&pdev->dev);
/* call sof helper for DSP hardware remove */
snd_sof_device_remove(&pdev->dev);
return 0;
}
static const struct acpi_device_id sof_acpi_match[] = {
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HASWELL)
{ "INT33C8", (unsigned long)&sof_acpi_haswell_desc },
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
{ "INT3438", (unsigned long)&sof_acpi_broadwell_desc },
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
{ "80860F28", (unsigned long)&sof_acpi_baytrail_desc },
{ "808622A8", (unsigned long)&sof_acpi_cherrytrail_desc },
#endif
{ }
};
MODULE_DEVICE_TABLE(acpi, sof_acpi_match);
/* acpi_driver definition */
static struct platform_driver snd_sof_acpi_driver = {
.probe = sof_acpi_probe,
.remove = sof_acpi_remove,
.driver = {
.name = "sof-audio-acpi",
.pm = &sof_acpi_pm,
.acpi_match_table = ACPI_PTR(sof_acpi_match),
},
};
module_platform_driver(snd_sof_acpi_driver);
MODULE_LICENSE("Dual BSD/GPL");
|
