xref: /openbmc/linux/sound/soc/sof/sof-pci-dev.c (revision 29c37341)
1 // SPDX-License-Identifier: (GPL-2.0-only 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/dmi.h>
13 #include <linux/module.h>
14 #include <linux/pci.h>
15 #include <linux/pm_runtime.h>
16 #include <sound/intel-dsp-config.h>
17 #include <sound/soc-acpi.h>
18 #include <sound/soc-acpi-intel-match.h>
19 #include <sound/sof.h>
20 #include "ops.h"
21 
22 /* platform specific devices */
23 #include "intel/shim.h"
24 #include "intel/hda.h"
25 
26 static char *fw_path;
27 module_param(fw_path, charp, 0444);
28 MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
29 
30 static char *tplg_path;
31 module_param(tplg_path, charp, 0444);
32 MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
33 
34 static int sof_pci_debug;
35 module_param_named(sof_pci_debug, sof_pci_debug, int, 0444);
36 MODULE_PARM_DESC(sof_pci_debug, "SOF PCI debug options (0x0 all off)");
37 
38 #define SOF_PCI_DISABLE_PM_RUNTIME BIT(0)
39 
40 static const struct dmi_system_id community_key_platforms[] = {
41 	{
42 		.ident = "Up Squared",
43 		.matches = {
44 			DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
45 			DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"),
46 		}
47 	},
48 	{
49 		.ident = "Google Chromebooks",
50 		.matches = {
51 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
52 		}
53 	},
54 	{},
55 };
56 
57 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
58 static const struct sof_dev_desc bxt_desc = {
59 	.machines		= snd_soc_acpi_intel_bxt_machines,
60 	.resindex_lpe_base	= 0,
61 	.resindex_pcicfg_base	= -1,
62 	.resindex_imr_base	= -1,
63 	.irqindex_host_ipc	= -1,
64 	.resindex_dma_base	= -1,
65 	.chip_info = &apl_chip_info,
66 	.default_fw_path = "intel/sof",
67 	.default_tplg_path = "intel/sof-tplg",
68 	.default_fw_filename = "sof-apl.ri",
69 	.nocodec_tplg_filename = "sof-apl-nocodec.tplg",
70 	.ops = &sof_apl_ops,
71 };
72 #endif
73 
74 #if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
75 static const struct sof_dev_desc glk_desc = {
76 	.machines		= snd_soc_acpi_intel_glk_machines,
77 	.resindex_lpe_base	= 0,
78 	.resindex_pcicfg_base	= -1,
79 	.resindex_imr_base	= -1,
80 	.irqindex_host_ipc	= -1,
81 	.resindex_dma_base	= -1,
82 	.chip_info = &apl_chip_info,
83 	.default_fw_path = "intel/sof",
84 	.default_tplg_path = "intel/sof-tplg",
85 	.default_fw_filename = "sof-glk.ri",
86 	.nocodec_tplg_filename = "sof-glk-nocodec.tplg",
87 	.ops = &sof_apl_ops,
88 };
89 #endif
90 
91 #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
92 static struct snd_soc_acpi_mach sof_tng_machines[] = {
93 	{
94 		.id = "INT343A",
95 		.drv_name = "edison",
96 		.sof_fw_filename = "sof-byt.ri",
97 		.sof_tplg_filename = "sof-byt.tplg",
98 	},
99 	{}
100 };
101 
102 static const struct sof_dev_desc tng_desc = {
103 	.machines		= sof_tng_machines,
104 	.resindex_lpe_base	= 3,	/* IRAM, but subtract IRAM offset */
105 	.resindex_pcicfg_base	= -1,
106 	.resindex_imr_base	= 0,
107 	.irqindex_host_ipc	= -1,
108 	.resindex_dma_base	= -1,
109 	.chip_info = &tng_chip_info,
110 	.default_fw_path = "intel/sof",
111 	.default_tplg_path = "intel/sof-tplg",
112 	.default_fw_filename = "sof-byt.ri",
113 	.nocodec_tplg_filename = "sof-byt.tplg",
114 	.ops = &sof_tng_ops,
115 };
116 #endif
117 
118 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
119 static const struct sof_dev_desc cnl_desc = {
120 	.machines		= snd_soc_acpi_intel_cnl_machines,
121 	.alt_machines		= snd_soc_acpi_intel_cnl_sdw_machines,
122 	.resindex_lpe_base	= 0,
123 	.resindex_pcicfg_base	= -1,
124 	.resindex_imr_base	= -1,
125 	.irqindex_host_ipc	= -1,
126 	.resindex_dma_base	= -1,
127 	.chip_info = &cnl_chip_info,
128 	.default_fw_path = "intel/sof",
129 	.default_tplg_path = "intel/sof-tplg",
130 	.default_fw_filename = "sof-cnl.ri",
131 	.nocodec_tplg_filename = "sof-cnl-nocodec.tplg",
132 	.ops = &sof_cnl_ops,
133 };
134 #endif
135 
136 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
137 static const struct sof_dev_desc cfl_desc = {
138 	.machines		= snd_soc_acpi_intel_cfl_machines,
139 	.alt_machines		= snd_soc_acpi_intel_cfl_sdw_machines,
140 	.resindex_lpe_base	= 0,
141 	.resindex_pcicfg_base	= -1,
142 	.resindex_imr_base	= -1,
143 	.irqindex_host_ipc	= -1,
144 	.resindex_dma_base	= -1,
145 	.chip_info = &cnl_chip_info,
146 	.default_fw_path = "intel/sof",
147 	.default_tplg_path = "intel/sof-tplg",
148 	.default_fw_filename = "sof-cfl.ri",
149 	.nocodec_tplg_filename = "sof-cnl-nocodec.tplg",
150 	.ops = &sof_cnl_ops,
151 };
152 #endif
153 
154 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
155 static const struct sof_dev_desc cml_desc = {
156 	.machines		= snd_soc_acpi_intel_cml_machines,
157 	.alt_machines		= snd_soc_acpi_intel_cml_sdw_machines,
158 	.resindex_lpe_base	= 0,
159 	.resindex_pcicfg_base	= -1,
160 	.resindex_imr_base	= -1,
161 	.irqindex_host_ipc	= -1,
162 	.resindex_dma_base	= -1,
163 	.chip_info = &cnl_chip_info,
164 	.default_fw_path = "intel/sof",
165 	.default_tplg_path = "intel/sof-tplg",
166 	.default_fw_filename = "sof-cml.ri",
167 	.nocodec_tplg_filename = "sof-cnl-nocodec.tplg",
168 	.ops = &sof_cnl_ops,
169 };
170 #endif
171 
172 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
173 static const struct sof_dev_desc icl_desc = {
174 	.machines               = snd_soc_acpi_intel_icl_machines,
175 	.alt_machines		= snd_soc_acpi_intel_icl_sdw_machines,
176 	.resindex_lpe_base      = 0,
177 	.resindex_pcicfg_base   = -1,
178 	.resindex_imr_base      = -1,
179 	.irqindex_host_ipc      = -1,
180 	.resindex_dma_base      = -1,
181 	.chip_info = &icl_chip_info,
182 	.default_fw_path = "intel/sof",
183 	.default_tplg_path = "intel/sof-tplg",
184 	.default_fw_filename = "sof-icl.ri",
185 	.nocodec_tplg_filename = "sof-icl-nocodec.tplg",
186 	.ops = &sof_cnl_ops,
187 };
188 #endif
189 
190 #if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
191 static const struct sof_dev_desc tgl_desc = {
192 	.machines               = snd_soc_acpi_intel_tgl_machines,
193 	.alt_machines		= snd_soc_acpi_intel_tgl_sdw_machines,
194 	.resindex_lpe_base      = 0,
195 	.resindex_pcicfg_base   = -1,
196 	.resindex_imr_base      = -1,
197 	.irqindex_host_ipc      = -1,
198 	.resindex_dma_base      = -1,
199 	.chip_info = &tgl_chip_info,
200 	.default_fw_path = "intel/sof",
201 	.default_tplg_path = "intel/sof-tplg",
202 	.default_fw_filename = "sof-tgl.ri",
203 	.nocodec_tplg_filename = "sof-tgl-nocodec.tplg",
204 	.ops = &sof_cnl_ops,
205 };
206 #endif
207 
208 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
209 static const struct sof_dev_desc ehl_desc = {
210 	.machines               = snd_soc_acpi_intel_ehl_machines,
211 	.resindex_lpe_base      = 0,
212 	.resindex_pcicfg_base   = -1,
213 	.resindex_imr_base      = -1,
214 	.irqindex_host_ipc      = -1,
215 	.resindex_dma_base      = -1,
216 	.chip_info = &ehl_chip_info,
217 	.default_fw_path = "intel/sof",
218 	.default_tplg_path = "intel/sof-tplg",
219 	.default_fw_filename = "sof-ehl.ri",
220 	.nocodec_tplg_filename = "sof-ehl-nocodec.tplg",
221 	.ops = &sof_cnl_ops,
222 };
223 #endif
224 
225 #if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE)
226 static const struct sof_dev_desc jsl_desc = {
227 	.machines               = snd_soc_acpi_intel_jsl_machines,
228 	.resindex_lpe_base      = 0,
229 	.resindex_pcicfg_base   = -1,
230 	.resindex_imr_base      = -1,
231 	.irqindex_host_ipc      = -1,
232 	.resindex_dma_base      = -1,
233 	.chip_info = &jsl_chip_info,
234 	.default_fw_path = "intel/sof",
235 	.default_tplg_path = "intel/sof-tplg",
236 	.default_fw_filename = "sof-jsl.ri",
237 	.nocodec_tplg_filename = "sof-jsl-nocodec.tplg",
238 	.ops = &sof_cnl_ops,
239 };
240 #endif
241 
242 static const struct dev_pm_ops sof_pci_pm = {
243 	.prepare = snd_sof_prepare,
244 	.complete = snd_sof_complete,
245 	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
246 	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
247 			   snd_sof_runtime_idle)
248 };
249 
250 static void sof_pci_probe_complete(struct device *dev)
251 {
252 	dev_dbg(dev, "Completing SOF PCI probe");
253 
254 	if (sof_pci_debug & SOF_PCI_DISABLE_PM_RUNTIME)
255 		return;
256 
257 	/* allow runtime_pm */
258 	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
259 	pm_runtime_use_autosuspend(dev);
260 
261 	/*
262 	 * runtime pm for pci device is "forbidden" by default.
263 	 * so call pm_runtime_allow() to enable it.
264 	 */
265 	pm_runtime_allow(dev);
266 
267 	/* mark last_busy for pm_runtime to make sure not suspend immediately */
268 	pm_runtime_mark_last_busy(dev);
269 
270 	/* follow recommendation in pci-driver.c to decrement usage counter */
271 	pm_runtime_put_noidle(dev);
272 }
273 
274 static int sof_pci_probe(struct pci_dev *pci,
275 			 const struct pci_device_id *pci_id)
276 {
277 	struct device *dev = &pci->dev;
278 	const struct sof_dev_desc *desc =
279 		(const struct sof_dev_desc *)pci_id->driver_data;
280 	struct snd_sof_pdata *sof_pdata;
281 	const struct snd_sof_dsp_ops *ops;
282 	int ret;
283 
284 	ret = snd_intel_dsp_driver_probe(pci);
285 	if (ret != SND_INTEL_DSP_DRIVER_ANY &&
286 	    ret != SND_INTEL_DSP_DRIVER_SOF)
287 		return -ENODEV;
288 
289 	dev_dbg(&pci->dev, "PCI DSP detected");
290 
291 	/* get ops for platform */
292 	ops = desc->ops;
293 	if (!ops) {
294 		dev_err(dev, "error: no matching PCI descriptor ops\n");
295 		return -ENODEV;
296 	}
297 
298 	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
299 	if (!sof_pdata)
300 		return -ENOMEM;
301 
302 	ret = pcim_enable_device(pci);
303 	if (ret < 0)
304 		return ret;
305 
306 	ret = pci_request_regions(pci, "Audio DSP");
307 	if (ret < 0)
308 		return ret;
309 
310 	sof_pdata->name = pci_name(pci);
311 	sof_pdata->desc = (struct sof_dev_desc *)pci_id->driver_data;
312 	sof_pdata->dev = dev;
313 	sof_pdata->fw_filename = desc->default_fw_filename;
314 
315 	/*
316 	 * for platforms using the SOF community key, change the
317 	 * default path automatically to pick the right files from the
318 	 * linux-firmware tree. This can be overridden with the
319 	 * fw_path kernel parameter, e.g. for developers.
320 	 */
321 
322 	/* alternate fw and tplg filenames ? */
323 	if (fw_path) {
324 		sof_pdata->fw_filename_prefix = fw_path;
325 
326 		dev_dbg(dev,
327 			"Module parameter used, changed fw path to %s\n",
328 			sof_pdata->fw_filename_prefix);
329 
330 	} else if (dmi_check_system(community_key_platforms)) {
331 		sof_pdata->fw_filename_prefix =
332 			devm_kasprintf(dev, GFP_KERNEL, "%s/%s",
333 				       sof_pdata->desc->default_fw_path,
334 				       "community");
335 
336 		dev_dbg(dev,
337 			"Platform uses community key, changed fw path to %s\n",
338 			sof_pdata->fw_filename_prefix);
339 	} else {
340 		sof_pdata->fw_filename_prefix =
341 			sof_pdata->desc->default_fw_path;
342 	}
343 
344 	if (tplg_path)
345 		sof_pdata->tplg_filename_prefix = tplg_path;
346 	else
347 		sof_pdata->tplg_filename_prefix =
348 			sof_pdata->desc->default_tplg_path;
349 
350 #if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
351 	/* set callback to enable runtime_pm */
352 	sof_pdata->sof_probe_complete = sof_pci_probe_complete;
353 #endif
354 	/* call sof helper for DSP hardware probe */
355 	ret = snd_sof_device_probe(dev, sof_pdata);
356 	if (ret) {
357 		dev_err(dev, "error: failed to probe DSP hardware!\n");
358 		goto release_regions;
359 	}
360 
361 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
362 	sof_pci_probe_complete(dev);
363 #endif
364 
365 	return ret;
366 
367 release_regions:
368 	pci_release_regions(pci);
369 
370 	return ret;
371 }
372 
373 static void sof_pci_remove(struct pci_dev *pci)
374 {
375 	/* call sof helper for DSP hardware remove */
376 	snd_sof_device_remove(&pci->dev);
377 
378 	/* follow recommendation in pci-driver.c to increment usage counter */
379 	if (!(sof_pci_debug & SOF_PCI_DISABLE_PM_RUNTIME))
380 		pm_runtime_get_noresume(&pci->dev);
381 
382 	/* release pci regions and disable device */
383 	pci_release_regions(pci);
384 }
385 
386 /* PCI IDs */
387 static const struct pci_device_id sof_pci_ids[] = {
388 #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
389 	{ PCI_DEVICE(0x8086, 0x119a),
390 		.driver_data = (unsigned long)&tng_desc},
391 #endif
392 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
393 	/* BXT-P & Apollolake */
394 	{ PCI_DEVICE(0x8086, 0x5a98),
395 		.driver_data = (unsigned long)&bxt_desc},
396 	{ PCI_DEVICE(0x8086, 0x1a98),
397 		.driver_data = (unsigned long)&bxt_desc},
398 #endif
399 #if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
400 	{ PCI_DEVICE(0x8086, 0x3198),
401 		.driver_data = (unsigned long)&glk_desc},
402 #endif
403 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
404 	{ PCI_DEVICE(0x8086, 0x9dc8),
405 		.driver_data = (unsigned long)&cnl_desc},
406 #endif
407 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
408 	{ PCI_DEVICE(0x8086, 0xa348),
409 		.driver_data = (unsigned long)&cfl_desc},
410 #endif
411 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
412 	{ PCI_DEVICE(0x8086, 0x34C8), /* ICL-LP */
413 		.driver_data = (unsigned long)&icl_desc},
414 	{ PCI_DEVICE(0x8086, 0x3dc8), /* ICL-H */
415 		.driver_data = (unsigned long)&icl_desc},
416 
417 #endif
418 #if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE)
419 	{ PCI_DEVICE(0x8086, 0x38c8),
420 		.driver_data = (unsigned long)&jsl_desc},
421 	{ PCI_DEVICE(0x8086, 0x4dc8),
422 		.driver_data = (unsigned long)&jsl_desc},
423 #endif
424 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
425 	{ PCI_DEVICE(0x8086, 0x02c8), /* CML-LP */
426 		.driver_data = (unsigned long)&cml_desc},
427 	{ PCI_DEVICE(0x8086, 0x06c8), /* CML-H */
428 		.driver_data = (unsigned long)&cml_desc},
429 	{ PCI_DEVICE(0x8086, 0xa3f0), /* CML-S */
430 		.driver_data = (unsigned long)&cml_desc},
431 #endif
432 #if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
433 	{ PCI_DEVICE(0x8086, 0xa0c8), /* TGL-LP */
434 		.driver_data = (unsigned long)&tgl_desc},
435 	{ PCI_DEVICE(0x8086, 0x43c8), /* TGL-H */
436 		.driver_data = (unsigned long)&tgl_desc},
437 
438 #endif
439 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
440 	{ PCI_DEVICE(0x8086, 0x4b55),
441 		.driver_data = (unsigned long)&ehl_desc},
442 	{ PCI_DEVICE(0x8086, 0x4b58),
443 		.driver_data = (unsigned long)&ehl_desc},
444 #endif
445 	{ 0, }
446 };
447 MODULE_DEVICE_TABLE(pci, sof_pci_ids);
448 
449 /* pci_driver definition */
450 static struct pci_driver snd_sof_pci_driver = {
451 	.name = "sof-audio-pci",
452 	.id_table = sof_pci_ids,
453 	.probe = sof_pci_probe,
454 	.remove = sof_pci_remove,
455 	.driver = {
456 		.pm = &sof_pci_pm,
457 	},
458 };
459 module_pci_driver(snd_sof_pci_driver);
460 
461 MODULE_LICENSE("Dual BSD/GPL");
462 MODULE_IMPORT_NS(SND_SOC_SOF_MERRIFIELD);
463 MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HDA_COMMON);
464