xref: /openbmc/linux/sound/soc/sof/sof-pci-dev.c (revision ec2da07c)
1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license.  When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
7 //
8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 //
10 
11 #include <linux/firmware.h>
12 #include <linux/module.h>
13 #include <linux/pci.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 "ops.h"
19 
20 /* platform specific devices */
21 #include "intel/shim.h"
22 #include "intel/hda.h"
23 
24 static char *fw_path;
25 module_param(fw_path, charp, 0444);
26 MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
27 
28 static char *tplg_path;
29 module_param(tplg_path, charp, 0444);
30 MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
31 
32 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
33 static const struct sof_dev_desc bxt_desc = {
34 	.machines		= snd_soc_acpi_intel_bxt_machines,
35 	.resindex_lpe_base	= 0,
36 	.resindex_pcicfg_base	= -1,
37 	.resindex_imr_base	= -1,
38 	.irqindex_host_ipc	= -1,
39 	.resindex_dma_base	= -1,
40 	.chip_info = &apl_chip_info,
41 	.default_fw_path = "intel/sof",
42 	.default_tplg_path = "intel/sof-tplg",
43 	.nocodec_fw_filename = "sof-apl.ri",
44 	.nocodec_tplg_filename = "sof-apl-nocodec.tplg",
45 	.ops = &sof_apl_ops,
46 	.arch_ops = &sof_xtensa_arch_ops
47 };
48 #endif
49 
50 #if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
51 static const struct sof_dev_desc glk_desc = {
52 	.machines		= snd_soc_acpi_intel_glk_machines,
53 	.resindex_lpe_base	= 0,
54 	.resindex_pcicfg_base	= -1,
55 	.resindex_imr_base	= -1,
56 	.irqindex_host_ipc	= -1,
57 	.resindex_dma_base	= -1,
58 	.chip_info = &apl_chip_info,
59 	.default_fw_path = "intel/sof",
60 	.default_tplg_path = "intel/sof-tplg",
61 	.nocodec_fw_filename = "sof-glk.ri",
62 	.nocodec_tplg_filename = "sof-glk-nocodec.tplg",
63 	.ops = &sof_apl_ops,
64 	.arch_ops = &sof_xtensa_arch_ops
65 };
66 #endif
67 
68 #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
69 static struct snd_soc_acpi_mach sof_tng_machines[] = {
70 	{
71 		.id = "INT343A",
72 		.drv_name = "edison",
73 		.sof_fw_filename = "sof-byt.ri",
74 		.sof_tplg_filename = "sof-byt.tplg",
75 	},
76 	{}
77 };
78 
79 static const struct sof_dev_desc tng_desc = {
80 	.machines		= sof_tng_machines,
81 	.resindex_lpe_base	= 3,	/* IRAM, but subtract IRAM offset */
82 	.resindex_pcicfg_base	= -1,
83 	.resindex_imr_base	= 0,
84 	.irqindex_host_ipc	= -1,
85 	.resindex_dma_base	= -1,
86 	.chip_info = &tng_chip_info,
87 	.default_fw_path = "intel/sof",
88 	.default_tplg_path = "intel/sof-tplg",
89 	.nocodec_fw_filename = "sof-byt.ri",
90 	.nocodec_tplg_filename = "sof-byt.tplg",
91 	.ops = &sof_tng_ops,
92 	.arch_ops = &sof_xtensa_arch_ops
93 };
94 #endif
95 
96 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
97 static const struct sof_dev_desc cnl_desc = {
98 	.machines		= snd_soc_acpi_intel_cnl_machines,
99 	.resindex_lpe_base	= 0,
100 	.resindex_pcicfg_base	= -1,
101 	.resindex_imr_base	= -1,
102 	.irqindex_host_ipc	= -1,
103 	.resindex_dma_base	= -1,
104 	.chip_info = &cnl_chip_info,
105 	.default_fw_path = "intel/sof",
106 	.default_tplg_path = "intel/sof-tplg",
107 	.nocodec_fw_filename = "sof-cnl.ri",
108 	.nocodec_tplg_filename = "sof-cnl-nocodec.tplg",
109 	.ops = &sof_cnl_ops,
110 	.arch_ops = &sof_xtensa_arch_ops
111 };
112 #endif
113 
114 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
115 static const struct sof_dev_desc cfl_desc = {
116 	.machines		= snd_soc_acpi_intel_cnl_machines,
117 	.resindex_lpe_base	= 0,
118 	.resindex_pcicfg_base	= -1,
119 	.resindex_imr_base	= -1,
120 	.irqindex_host_ipc	= -1,
121 	.resindex_dma_base	= -1,
122 	.chip_info = &cnl_chip_info,
123 	.default_fw_path = "intel/sof",
124 	.default_tplg_path = "intel/sof-tplg",
125 	.nocodec_fw_filename = "sof-cnl.ri",
126 	.nocodec_tplg_filename = "sof-cnl-nocodec.tplg",
127 	.ops = &sof_cnl_ops,
128 	.arch_ops = &sof_xtensa_arch_ops
129 };
130 #endif
131 
132 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE_LP) || \
133 	IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE_H)
134 
135 static const struct sof_dev_desc cml_desc = {
136 	.machines		= snd_soc_acpi_intel_cnl_machines,
137 	.resindex_lpe_base	= 0,
138 	.resindex_pcicfg_base	= -1,
139 	.resindex_imr_base	= -1,
140 	.irqindex_host_ipc	= -1,
141 	.resindex_dma_base	= -1,
142 	.chip_info = &cnl_chip_info,
143 	.default_fw_path = "intel/sof",
144 	.default_tplg_path = "intel/sof-tplg",
145 	.nocodec_fw_filename = "sof-cnl.ri",
146 	.nocodec_tplg_filename = "sof-cnl-nocodec.tplg",
147 	.ops = &sof_cnl_ops,
148 	.arch_ops = &sof_xtensa_arch_ops
149 };
150 #endif
151 
152 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
153 static const struct sof_dev_desc icl_desc = {
154 	.machines               = snd_soc_acpi_intel_icl_machines,
155 	.resindex_lpe_base      = 0,
156 	.resindex_pcicfg_base   = -1,
157 	.resindex_imr_base      = -1,
158 	.irqindex_host_ipc      = -1,
159 	.resindex_dma_base      = -1,
160 	.chip_info = &icl_chip_info,
161 	.default_fw_path = "intel/sof",
162 	.default_tplg_path = "intel/sof-tplg",
163 	.nocodec_fw_filename = "sof-icl.ri",
164 	.nocodec_tplg_filename = "sof-icl-nocodec.tplg",
165 	.ops = &sof_cnl_ops,
166 	.arch_ops = &sof_xtensa_arch_ops
167 };
168 #endif
169 
170 #if IS_ENABLED(CONFIG_SND_SOC_SOF_SKYLAKE)
171 static const struct sof_dev_desc skl_desc = {
172 	.machines		= snd_soc_acpi_intel_skl_machines,
173 	.resindex_lpe_base	= 0,
174 	.resindex_pcicfg_base	= -1,
175 	.resindex_imr_base	= -1,
176 	.irqindex_host_ipc	= -1,
177 	.resindex_dma_base	= -1,
178 	.chip_info = &skl_chip_info,
179 	.default_fw_path = "intel/sof",
180 	.default_tplg_path = "intel/sof-tplg",
181 	.nocodec_fw_filename = "sof-skl.ri",
182 	.nocodec_tplg_filename = "sof-skl-nocodec.tplg",
183 	.ops = &sof_skl_ops,
184 	.arch_ops = &sof_xtensa_arch_ops
185 };
186 #endif
187 
188 #if IS_ENABLED(CONFIG_SND_SOC_SOF_KABYLAKE)
189 static const struct sof_dev_desc kbl_desc = {
190 	.machines		= snd_soc_acpi_intel_kbl_machines,
191 	.resindex_lpe_base	= 0,
192 	.resindex_pcicfg_base	= -1,
193 	.resindex_imr_base	= -1,
194 	.irqindex_host_ipc	= -1,
195 	.resindex_dma_base	= -1,
196 	.chip_info = &skl_chip_info,
197 	.default_fw_path = "intel/sof",
198 	.default_tplg_path = "intel/sof-tplg",
199 	.nocodec_fw_filename = "sof-kbl.ri",
200 	.nocodec_tplg_filename = "sof-kbl-nocodec.tplg",
201 	.ops = &sof_skl_ops,
202 	.arch_ops = &sof_xtensa_arch_ops
203 };
204 #endif
205 
206 static const struct dev_pm_ops sof_pci_pm = {
207 	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
208 	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
209 			   snd_sof_runtime_idle)
210 };
211 
212 static void sof_pci_probe_complete(struct device *dev)
213 {
214 	dev_dbg(dev, "Completing SOF PCI probe");
215 
216 	/* allow runtime_pm */
217 	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
218 	pm_runtime_use_autosuspend(dev);
219 
220 	/*
221 	 * runtime pm for pci device is "forbidden" by default.
222 	 * so call pm_runtime_allow() to enable it.
223 	 */
224 	pm_runtime_allow(dev);
225 
226 	/* follow recommendation in pci-driver.c to decrement usage counter */
227 	pm_runtime_put_noidle(dev);
228 }
229 
230 static int sof_pci_probe(struct pci_dev *pci,
231 			 const struct pci_device_id *pci_id)
232 {
233 	struct device *dev = &pci->dev;
234 	const struct sof_dev_desc *desc =
235 		(const struct sof_dev_desc *)pci_id->driver_data;
236 	struct snd_soc_acpi_mach *mach;
237 	struct snd_sof_pdata *sof_pdata;
238 	const struct snd_sof_dsp_ops *ops;
239 	int ret;
240 
241 	dev_dbg(&pci->dev, "PCI DSP detected");
242 
243 	/* get ops for platform */
244 	ops = desc->ops;
245 	if (!ops) {
246 		dev_err(dev, "error: no matching PCI descriptor ops\n");
247 		return -ENODEV;
248 	}
249 
250 	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
251 	if (!sof_pdata)
252 		return -ENOMEM;
253 
254 	ret = pcim_enable_device(pci);
255 	if (ret < 0)
256 		return ret;
257 
258 	ret = pci_request_regions(pci, "Audio DSP");
259 	if (ret < 0)
260 		return ret;
261 
262 #if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
263 	/* force nocodec mode */
264 	dev_warn(dev, "Force to use nocodec mode\n");
265 	mach = devm_kzalloc(dev, sizeof(*mach), GFP_KERNEL);
266 	if (!mach) {
267 		ret = -ENOMEM;
268 		goto release_regions;
269 	}
270 	ret = sof_nocodec_setup(dev, sof_pdata, mach, desc, ops);
271 	if (ret < 0)
272 		goto release_regions;
273 
274 #else
275 	/* find machine */
276 	mach = snd_soc_acpi_find_machine(desc->machines);
277 	if (!mach) {
278 		dev_warn(dev, "warning: No matching ASoC machine driver found\n");
279 	} else {
280 		mach->mach_params.platform = dev_name(dev);
281 		sof_pdata->fw_filename = mach->sof_fw_filename;
282 		sof_pdata->tplg_filename = mach->sof_tplg_filename;
283 	}
284 #endif /* CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE */
285 
286 	sof_pdata->name = pci_name(pci);
287 	sof_pdata->machine = mach;
288 	sof_pdata->desc = (struct sof_dev_desc *)pci_id->driver_data;
289 	sof_pdata->dev = dev;
290 	sof_pdata->platform = dev_name(dev);
291 
292 	/* alternate fw and tplg filenames ? */
293 	if (fw_path)
294 		sof_pdata->fw_filename_prefix = fw_path;
295 	else
296 		sof_pdata->fw_filename_prefix =
297 			sof_pdata->desc->default_fw_path;
298 
299 	if (tplg_path)
300 		sof_pdata->tplg_filename_prefix = tplg_path;
301 	else
302 		sof_pdata->tplg_filename_prefix =
303 			sof_pdata->desc->default_tplg_path;
304 
305 #if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
306 	/* set callback to enable runtime_pm */
307 	sof_pdata->sof_probe_complete = sof_pci_probe_complete;
308 #endif
309 	/* call sof helper for DSP hardware probe */
310 	ret = snd_sof_device_probe(dev, sof_pdata);
311 	if (ret) {
312 		dev_err(dev, "error: failed to probe DSP hardware!\n");
313 		goto release_regions;
314 	}
315 
316 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
317 	sof_pci_probe_complete(dev);
318 #endif
319 
320 	return ret;
321 
322 release_regions:
323 	pci_release_regions(pci);
324 
325 	return ret;
326 }
327 
328 static void sof_pci_remove(struct pci_dev *pci)
329 {
330 	/* call sof helper for DSP hardware remove */
331 	snd_sof_device_remove(&pci->dev);
332 
333 	/* follow recommendation in pci-driver.c to increment usage counter */
334 	pm_runtime_get_noresume(&pci->dev);
335 
336 	/* release pci regions and disable device */
337 	pci_release_regions(pci);
338 }
339 
340 /* PCI IDs */
341 static const struct pci_device_id sof_pci_ids[] = {
342 #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
343 	{ PCI_DEVICE(0x8086, 0x119a),
344 		.driver_data = (unsigned long)&tng_desc},
345 #endif
346 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
347 	/* BXT-P & Apollolake */
348 	{ PCI_DEVICE(0x8086, 0x5a98),
349 		.driver_data = (unsigned long)&bxt_desc},
350 	{ PCI_DEVICE(0x8086, 0x1a98),
351 		.driver_data = (unsigned long)&bxt_desc},
352 #endif
353 #if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
354 	{ PCI_DEVICE(0x8086, 0x3198),
355 		.driver_data = (unsigned long)&glk_desc},
356 #endif
357 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
358 	{ PCI_DEVICE(0x8086, 0x9dc8),
359 		.driver_data = (unsigned long)&cnl_desc},
360 #endif
361 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
362 	{ PCI_DEVICE(0x8086, 0xa348),
363 		.driver_data = (unsigned long)&cfl_desc},
364 #endif
365 #if IS_ENABLED(CONFIG_SND_SOC_SOF_KABYLAKE)
366 	{ PCI_DEVICE(0x8086, 0x9d71),
367 		.driver_data = (unsigned long)&kbl_desc},
368 #endif
369 #if IS_ENABLED(CONFIG_SND_SOC_SOF_SKYLAKE)
370 	{ PCI_DEVICE(0x8086, 0x9d70),
371 		.driver_data = (unsigned long)&skl_desc},
372 #endif
373 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
374 	{ PCI_DEVICE(0x8086, 0x34C8),
375 		.driver_data = (unsigned long)&icl_desc},
376 #endif
377 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE_LP)
378 	{ PCI_DEVICE(0x8086, 0x02c8),
379 		.driver_data = (unsigned long)&cml_desc},
380 #endif
381 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE_H)
382 	{ PCI_DEVICE(0x8086, 0x06c8),
383 		.driver_data = (unsigned long)&cml_desc},
384 #endif
385 	{ 0, }
386 };
387 MODULE_DEVICE_TABLE(pci, sof_pci_ids);
388 
389 /* pci_driver definition */
390 static struct pci_driver snd_sof_pci_driver = {
391 	.name = "sof-audio-pci",
392 	.id_table = sof_pci_ids,
393 	.probe = sof_pci_probe,
394 	.remove = sof_pci_remove,
395 	.driver = {
396 		.pm = &sof_pci_pm,
397 	},
398 };
399 module_pci_driver(snd_sof_pci_driver);
400 
401 MODULE_LICENSE("Dual BSD/GPL");
402