This source file includes following definitions.
- tcc_offset_degree_celsius_show
- tcc_offset_update
- tcc_offset_degree_celsius_store
- get_tjmax
- read_temp_msr
- proc_thermal_get_zone_temp
- proc_thermal_read_ppcc
- proc_thermal_notify
- proc_thermal_add
- proc_thermal_remove
- int3401_add
- int3401_remove
- proc_thermal_pci_msi_irq
- rapl_mmio_cpu_online
- rapl_mmio_cpu_down_prep
- rapl_mmio_read_raw
- rapl_mmio_write_raw
- proc_thermal_rapl_add
- proc_thermal_rapl_remove
- proc_thermal_rapl_add
- proc_thermal_rapl_remove
- proc_thermal_pci_probe
- proc_thermal_pci_remove
- proc_thermal_resume
- proc_thermal_init
- proc_thermal_exit
1
2
3
4
5
6 #include <linux/kernel.h>
7 #include <linux/module.h>
8 #include <linux/init.h>
9 #include <linux/pci.h>
10 #include <linux/interrupt.h>
11 #include <linux/platform_device.h>
12 #include <linux/acpi.h>
13 #include <linux/thermal.h>
14 #include <linux/cpuhotplug.h>
15 #include <linux/intel_rapl.h>
16 #include "int340x_thermal_zone.h"
17 #include "../intel_soc_dts_iosf.h"
18
19
20 #define PCI_DEVICE_ID_PROC_BDW_THERMAL 0x1603
21 #define PCI_DEVICE_ID_PROC_HSB_THERMAL 0x0A03
22
23
24 #define PCI_DEVICE_ID_PROC_SKL_THERMAL 0x1903
25
26
27 #define PCI_DEVICE_ID_PROC_CNL_THERMAL 0x5a03
28 #define PCI_DEVICE_ID_PROC_CFL_THERMAL 0x3E83
29
30
31 #define PCI_DEVICE_ID_PROC_BSW_THERMAL 0x22DC
32
33
34 #define PCI_DEVICE_ID_PROC_BXT0_THERMAL 0x0A8C
35 #define PCI_DEVICE_ID_PROC_BXT1_THERMAL 0x1A8C
36 #define PCI_DEVICE_ID_PROC_BXTX_THERMAL 0x4A8C
37 #define PCI_DEVICE_ID_PROC_BXTP_THERMAL 0x5A8C
38
39
40 #define PCI_DEVICE_ID_PROC_GLK_THERMAL 0x318C
41
42
43 #define PCI_DEVICE_ID_PROC_ICL_THERMAL 0x8a03
44
45 #define DRV_NAME "proc_thermal"
46
47 struct power_config {
48 u32 index;
49 u32 min_uw;
50 u32 max_uw;
51 u32 tmin_us;
52 u32 tmax_us;
53 u32 step_uw;
54 };
55
56 struct proc_thermal_device {
57 struct device *dev;
58 struct acpi_device *adev;
59 struct power_config power_limits[2];
60 struct int34x_thermal_zone *int340x_zone;
61 struct intel_soc_dts_sensors *soc_dts;
62 void __iomem *mmio_base;
63 };
64
65 enum proc_thermal_emum_mode_type {
66 PROC_THERMAL_NONE,
67 PROC_THERMAL_PCI,
68 PROC_THERMAL_PLATFORM_DEV
69 };
70
71 struct rapl_mmio_regs {
72 u64 reg_unit;
73 u64 regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX];
74 int limits[RAPL_DOMAIN_MAX];
75 };
76
77
78
79
80
81 static enum proc_thermal_emum_mode_type proc_thermal_emum_mode =
82 PROC_THERMAL_NONE;
83
84 #define POWER_LIMIT_SHOW(index, suffix) \
85 static ssize_t power_limit_##index##_##suffix##_show(struct device *dev, \
86 struct device_attribute *attr, \
87 char *buf) \
88 { \
89 struct proc_thermal_device *proc_dev = dev_get_drvdata(dev); \
90 \
91 if (proc_thermal_emum_mode == PROC_THERMAL_NONE) { \
92 dev_warn(dev, "Attempted to get power limit before device was initialized!\n"); \
93 return 0; \
94 } \
95 \
96 return sprintf(buf, "%lu\n",\
97 (unsigned long)proc_dev->power_limits[index].suffix * 1000); \
98 }
99
100 POWER_LIMIT_SHOW(0, min_uw)
101 POWER_LIMIT_SHOW(0, max_uw)
102 POWER_LIMIT_SHOW(0, step_uw)
103 POWER_LIMIT_SHOW(0, tmin_us)
104 POWER_LIMIT_SHOW(0, tmax_us)
105
106 POWER_LIMIT_SHOW(1, min_uw)
107 POWER_LIMIT_SHOW(1, max_uw)
108 POWER_LIMIT_SHOW(1, step_uw)
109 POWER_LIMIT_SHOW(1, tmin_us)
110 POWER_LIMIT_SHOW(1, tmax_us)
111
112 static DEVICE_ATTR_RO(power_limit_0_min_uw);
113 static DEVICE_ATTR_RO(power_limit_0_max_uw);
114 static DEVICE_ATTR_RO(power_limit_0_step_uw);
115 static DEVICE_ATTR_RO(power_limit_0_tmin_us);
116 static DEVICE_ATTR_RO(power_limit_0_tmax_us);
117
118 static DEVICE_ATTR_RO(power_limit_1_min_uw);
119 static DEVICE_ATTR_RO(power_limit_1_max_uw);
120 static DEVICE_ATTR_RO(power_limit_1_step_uw);
121 static DEVICE_ATTR_RO(power_limit_1_tmin_us);
122 static DEVICE_ATTR_RO(power_limit_1_tmax_us);
123
124 static struct attribute *power_limit_attrs[] = {
125 &dev_attr_power_limit_0_min_uw.attr,
126 &dev_attr_power_limit_1_min_uw.attr,
127 &dev_attr_power_limit_0_max_uw.attr,
128 &dev_attr_power_limit_1_max_uw.attr,
129 &dev_attr_power_limit_0_step_uw.attr,
130 &dev_attr_power_limit_1_step_uw.attr,
131 &dev_attr_power_limit_0_tmin_us.attr,
132 &dev_attr_power_limit_1_tmin_us.attr,
133 &dev_attr_power_limit_0_tmax_us.attr,
134 &dev_attr_power_limit_1_tmax_us.attr,
135 NULL
136 };
137
138 static const struct attribute_group power_limit_attribute_group = {
139 .attrs = power_limit_attrs,
140 .name = "power_limits"
141 };
142
143 static ssize_t tcc_offset_degree_celsius_show(struct device *dev,
144 struct device_attribute *attr, char *buf)
145 {
146 u64 val;
147 int err;
148
149 err = rdmsrl_safe(MSR_IA32_TEMPERATURE_TARGET, &val);
150 if (err)
151 return err;
152
153 val = (val >> 24) & 0xff;
154 return sprintf(buf, "%d\n", (int)val);
155 }
156
157 static int tcc_offset_update(int tcc)
158 {
159 u64 val;
160 int err;
161
162 if (!tcc)
163 return -EINVAL;
164
165 err = rdmsrl_safe(MSR_IA32_TEMPERATURE_TARGET, &val);
166 if (err)
167 return err;
168
169 val &= ~GENMASK_ULL(31, 24);
170 val |= (tcc & 0xff) << 24;
171
172 err = wrmsrl_safe(MSR_IA32_TEMPERATURE_TARGET, val);
173 if (err)
174 return err;
175
176 return 0;
177 }
178
179 static int tcc_offset_save;
180
181 static ssize_t tcc_offset_degree_celsius_store(struct device *dev,
182 struct device_attribute *attr, const char *buf,
183 size_t count)
184 {
185 u64 val;
186 int tcc, err;
187
188 err = rdmsrl_safe(MSR_PLATFORM_INFO, &val);
189 if (err)
190 return err;
191
192 if (!(val & BIT(30)))
193 return -EACCES;
194
195 if (kstrtoint(buf, 0, &tcc))
196 return -EINVAL;
197
198 err = tcc_offset_update(tcc);
199 if (err)
200 return err;
201
202 tcc_offset_save = tcc;
203
204 return count;
205 }
206
207 static DEVICE_ATTR_RW(tcc_offset_degree_celsius);
208
209 static int stored_tjmax;
210
211 static int get_tjmax(void)
212 {
213 u32 eax, edx;
214 u32 val;
215 int err;
216
217 err = rdmsr_safe(MSR_IA32_TEMPERATURE_TARGET, &eax, &edx);
218 if (err)
219 return err;
220
221 val = (eax >> 16) & 0xff;
222 if (val)
223 return val;
224
225 return -EINVAL;
226 }
227
228 static int read_temp_msr(int *temp)
229 {
230 int cpu;
231 u32 eax, edx;
232 int err;
233 unsigned long curr_temp_off = 0;
234
235 *temp = 0;
236
237 for_each_online_cpu(cpu) {
238 err = rdmsr_safe_on_cpu(cpu, MSR_IA32_THERM_STATUS, &eax,
239 &edx);
240 if (err)
241 goto err_ret;
242 else {
243 if (eax & 0x80000000) {
244 curr_temp_off = (eax >> 16) & 0x7f;
245 if (!*temp || curr_temp_off < *temp)
246 *temp = curr_temp_off;
247 } else {
248 err = -EINVAL;
249 goto err_ret;
250 }
251 }
252 }
253
254 return 0;
255 err_ret:
256 return err;
257 }
258
259 static int proc_thermal_get_zone_temp(struct thermal_zone_device *zone,
260 int *temp)
261 {
262 int ret;
263
264 ret = read_temp_msr(temp);
265 if (!ret)
266 *temp = (stored_tjmax - *temp) * 1000;
267
268 return ret;
269 }
270
271 static struct thermal_zone_device_ops proc_thermal_local_ops = {
272 .get_temp = proc_thermal_get_zone_temp,
273 };
274
275 static int proc_thermal_read_ppcc(struct proc_thermal_device *proc_priv)
276 {
277 int i;
278 acpi_status status;
279 struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
280 union acpi_object *elements, *ppcc;
281 union acpi_object *p;
282 int ret = 0;
283
284 status = acpi_evaluate_object(proc_priv->adev->handle, "PPCC",
285 NULL, &buf);
286 if (ACPI_FAILURE(status))
287 return -ENODEV;
288
289 p = buf.pointer;
290 if (!p || (p->type != ACPI_TYPE_PACKAGE)) {
291 dev_err(proc_priv->dev, "Invalid PPCC data\n");
292 ret = -EFAULT;
293 goto free_buffer;
294 }
295
296 if (!p->package.count) {
297 dev_err(proc_priv->dev, "Invalid PPCC package size\n");
298 ret = -EFAULT;
299 goto free_buffer;
300 }
301
302 for (i = 0; i < min((int)p->package.count - 1, 2); ++i) {
303 elements = &(p->package.elements[i+1]);
304 if (elements->type != ACPI_TYPE_PACKAGE ||
305 elements->package.count != 6) {
306 ret = -EFAULT;
307 goto free_buffer;
308 }
309 ppcc = elements->package.elements;
310 proc_priv->power_limits[i].index = ppcc[0].integer.value;
311 proc_priv->power_limits[i].min_uw = ppcc[1].integer.value;
312 proc_priv->power_limits[i].max_uw = ppcc[2].integer.value;
313 proc_priv->power_limits[i].tmin_us = ppcc[3].integer.value;
314 proc_priv->power_limits[i].tmax_us = ppcc[4].integer.value;
315 proc_priv->power_limits[i].step_uw = ppcc[5].integer.value;
316 }
317
318 free_buffer:
319 kfree(buf.pointer);
320
321 return ret;
322 }
323
324 #define PROC_POWER_CAPABILITY_CHANGED 0x83
325 static void proc_thermal_notify(acpi_handle handle, u32 event, void *data)
326 {
327 struct proc_thermal_device *proc_priv = data;
328
329 if (!proc_priv)
330 return;
331
332 switch (event) {
333 case PROC_POWER_CAPABILITY_CHANGED:
334 proc_thermal_read_ppcc(proc_priv);
335 int340x_thermal_zone_device_update(proc_priv->int340x_zone,
336 THERMAL_DEVICE_POWER_CAPABILITY_CHANGED);
337 break;
338 default:
339 dev_dbg(proc_priv->dev, "Unsupported event [0x%x]\n", event);
340 break;
341 }
342 }
343
344
345 static int proc_thermal_add(struct device *dev,
346 struct proc_thermal_device **priv)
347 {
348 struct proc_thermal_device *proc_priv;
349 struct acpi_device *adev;
350 acpi_status status;
351 unsigned long long tmp;
352 struct thermal_zone_device_ops *ops = NULL;
353 int ret;
354
355 adev = ACPI_COMPANION(dev);
356 if (!adev)
357 return -ENODEV;
358
359 proc_priv = devm_kzalloc(dev, sizeof(*proc_priv), GFP_KERNEL);
360 if (!proc_priv)
361 return -ENOMEM;
362
363 proc_priv->dev = dev;
364 proc_priv->adev = adev;
365 *priv = proc_priv;
366
367 ret = proc_thermal_read_ppcc(proc_priv);
368 if (ret)
369 return ret;
370
371 status = acpi_evaluate_integer(adev->handle, "_TMP", NULL, &tmp);
372 if (ACPI_FAILURE(status)) {
373
374 stored_tjmax = get_tjmax();
375 if (stored_tjmax > 0)
376 ops = &proc_thermal_local_ops;
377 }
378
379 proc_priv->int340x_zone = int340x_thermal_zone_add(adev, ops);
380 if (IS_ERR(proc_priv->int340x_zone)) {
381 return PTR_ERR(proc_priv->int340x_zone);
382 } else
383 ret = 0;
384
385 ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY,
386 proc_thermal_notify,
387 (void *)proc_priv);
388 if (ret)
389 goto remove_zone;
390
391 return 0;
392
393 remove_zone:
394 int340x_thermal_zone_remove(proc_priv->int340x_zone);
395
396 return ret;
397 }
398
399 static void proc_thermal_remove(struct proc_thermal_device *proc_priv)
400 {
401 acpi_remove_notify_handler(proc_priv->adev->handle,
402 ACPI_DEVICE_NOTIFY, proc_thermal_notify);
403 int340x_thermal_zone_remove(proc_priv->int340x_zone);
404 sysfs_remove_file(&proc_priv->dev->kobj, &dev_attr_tcc_offset_degree_celsius.attr);
405 sysfs_remove_group(&proc_priv->dev->kobj,
406 &power_limit_attribute_group);
407 }
408
409 static int int3401_add(struct platform_device *pdev)
410 {
411 struct proc_thermal_device *proc_priv;
412 int ret;
413
414 if (proc_thermal_emum_mode == PROC_THERMAL_PCI) {
415 dev_err(&pdev->dev, "error: enumerated as PCI dev\n");
416 return -ENODEV;
417 }
418
419 ret = proc_thermal_add(&pdev->dev, &proc_priv);
420 if (ret)
421 return ret;
422
423 platform_set_drvdata(pdev, proc_priv);
424 proc_thermal_emum_mode = PROC_THERMAL_PLATFORM_DEV;
425
426 dev_info(&pdev->dev, "Creating sysfs group for PROC_THERMAL_PLATFORM_DEV\n");
427
428 ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_tcc_offset_degree_celsius.attr);
429 if (ret)
430 return ret;
431
432 ret = sysfs_create_group(&pdev->dev.kobj, &power_limit_attribute_group);
433 if (ret)
434 sysfs_remove_file(&pdev->dev.kobj, &dev_attr_tcc_offset_degree_celsius.attr);
435
436 return ret;
437 }
438
439 static int int3401_remove(struct platform_device *pdev)
440 {
441 proc_thermal_remove(platform_get_drvdata(pdev));
442
443 return 0;
444 }
445
446 static irqreturn_t proc_thermal_pci_msi_irq(int irq, void *devid)
447 {
448 struct proc_thermal_device *proc_priv;
449 struct pci_dev *pdev = devid;
450
451 proc_priv = pci_get_drvdata(pdev);
452
453 intel_soc_dts_iosf_interrupt_handler(proc_priv->soc_dts);
454
455 return IRQ_HANDLED;
456 }
457
458 #ifdef CONFIG_PROC_THERMAL_MMIO_RAPL
459
460 #define MCHBAR 0
461
462
463 static struct rapl_if_priv rapl_mmio_priv;
464
465 static int rapl_mmio_cpu_online(unsigned int cpu)
466 {
467 struct rapl_package *rp;
468
469
470 if (topology_physical_package_id(cpu))
471 return 0;
472
473 rp = rapl_find_package_domain(cpu, &rapl_mmio_priv);
474 if (!rp) {
475 rp = rapl_add_package(cpu, &rapl_mmio_priv);
476 if (IS_ERR(rp))
477 return PTR_ERR(rp);
478 }
479 cpumask_set_cpu(cpu, &rp->cpumask);
480 return 0;
481 }
482
483 static int rapl_mmio_cpu_down_prep(unsigned int cpu)
484 {
485 struct rapl_package *rp;
486 int lead_cpu;
487
488 rp = rapl_find_package_domain(cpu, &rapl_mmio_priv);
489 if (!rp)
490 return 0;
491
492 cpumask_clear_cpu(cpu, &rp->cpumask);
493 lead_cpu = cpumask_first(&rp->cpumask);
494 if (lead_cpu >= nr_cpu_ids)
495 rapl_remove_package(rp);
496 else if (rp->lead_cpu == cpu)
497 rp->lead_cpu = lead_cpu;
498 return 0;
499 }
500
501 static int rapl_mmio_read_raw(int cpu, struct reg_action *ra)
502 {
503 if (!ra->reg)
504 return -EINVAL;
505
506 ra->value = readq((void __iomem *)ra->reg);
507 ra->value &= ra->mask;
508 return 0;
509 }
510
511 static int rapl_mmio_write_raw(int cpu, struct reg_action *ra)
512 {
513 u64 val;
514
515 if (!ra->reg)
516 return -EINVAL;
517
518 val = readq((void __iomem *)ra->reg);
519 val &= ~ra->mask;
520 val |= ra->value;
521 writeq(val, (void __iomem *)ra->reg);
522 return 0;
523 }
524
525 static int proc_thermal_rapl_add(struct pci_dev *pdev,
526 struct proc_thermal_device *proc_priv,
527 struct rapl_mmio_regs *rapl_regs)
528 {
529 enum rapl_domain_reg_id reg;
530 enum rapl_domain_type domain;
531 int ret;
532
533 if (!rapl_regs)
534 return 0;
535
536 ret = pcim_iomap_regions(pdev, 1 << MCHBAR, DRV_NAME);
537 if (ret) {
538 dev_err(&pdev->dev, "cannot reserve PCI memory region\n");
539 return -ENOMEM;
540 }
541
542 proc_priv->mmio_base = pcim_iomap_table(pdev)[MCHBAR];
543
544 for (domain = RAPL_DOMAIN_PACKAGE; domain < RAPL_DOMAIN_MAX; domain++) {
545 for (reg = RAPL_DOMAIN_REG_LIMIT; reg < RAPL_DOMAIN_REG_MAX; reg++)
546 if (rapl_regs->regs[domain][reg])
547 rapl_mmio_priv.regs[domain][reg] =
548 (u64)proc_priv->mmio_base +
549 rapl_regs->regs[domain][reg];
550 rapl_mmio_priv.limits[domain] = rapl_regs->limits[domain];
551 }
552 rapl_mmio_priv.reg_unit = (u64)proc_priv->mmio_base + rapl_regs->reg_unit;
553
554 rapl_mmio_priv.read_raw = rapl_mmio_read_raw;
555 rapl_mmio_priv.write_raw = rapl_mmio_write_raw;
556
557 rapl_mmio_priv.control_type = powercap_register_control_type(NULL, "intel-rapl-mmio", NULL);
558 if (IS_ERR(rapl_mmio_priv.control_type)) {
559 pr_debug("failed to register powercap control_type.\n");
560 return PTR_ERR(rapl_mmio_priv.control_type);
561 }
562
563 ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "powercap/rapl:online",
564 rapl_mmio_cpu_online, rapl_mmio_cpu_down_prep);
565 if (ret < 0) {
566 powercap_unregister_control_type(rapl_mmio_priv.control_type);
567 rapl_mmio_priv.control_type = NULL;
568 return ret;
569 }
570 rapl_mmio_priv.pcap_rapl_online = ret;
571
572 return 0;
573 }
574
575 static void proc_thermal_rapl_remove(void)
576 {
577 if (IS_ERR_OR_NULL(rapl_mmio_priv.control_type))
578 return;
579
580 cpuhp_remove_state(rapl_mmio_priv.pcap_rapl_online);
581 powercap_unregister_control_type(rapl_mmio_priv.control_type);
582 }
583
584 static const struct rapl_mmio_regs rapl_mmio_hsw = {
585 .reg_unit = 0x5938,
586 .regs[RAPL_DOMAIN_PACKAGE] = { 0x59a0, 0x593c, 0x58f0, 0, 0x5930},
587 .regs[RAPL_DOMAIN_DRAM] = { 0x58e0, 0x58e8, 0x58ec, 0, 0},
588 .limits[RAPL_DOMAIN_PACKAGE] = 2,
589 .limits[RAPL_DOMAIN_DRAM] = 2,
590 };
591
592 #else
593
594 static int proc_thermal_rapl_add(struct pci_dev *pdev,
595 struct proc_thermal_device *proc_priv,
596 struct rapl_mmio_regs *rapl_regs)
597 {
598 return 0;
599 }
600 static void proc_thermal_rapl_remove(void) {}
601 static const struct rapl_mmio_regs rapl_mmio_hsw;
602
603 #endif
604
605 static int proc_thermal_pci_probe(struct pci_dev *pdev,
606 const struct pci_device_id *id)
607 {
608 struct proc_thermal_device *proc_priv;
609 int ret;
610
611 if (proc_thermal_emum_mode == PROC_THERMAL_PLATFORM_DEV) {
612 dev_err(&pdev->dev, "error: enumerated as platform dev\n");
613 return -ENODEV;
614 }
615
616 ret = pcim_enable_device(pdev);
617 if (ret < 0) {
618 dev_err(&pdev->dev, "error: could not enable device\n");
619 return ret;
620 }
621
622 ret = proc_thermal_add(&pdev->dev, &proc_priv);
623 if (ret)
624 return ret;
625
626 ret = proc_thermal_rapl_add(pdev, proc_priv,
627 (struct rapl_mmio_regs *)id->driver_data);
628 if (ret) {
629 dev_err(&pdev->dev, "failed to add RAPL MMIO interface\n");
630 proc_thermal_remove(proc_priv);
631 return ret;
632 }
633
634 pci_set_drvdata(pdev, proc_priv);
635 proc_thermal_emum_mode = PROC_THERMAL_PCI;
636
637 if (pdev->device == PCI_DEVICE_ID_PROC_BSW_THERMAL) {
638
639
640
641
642
643
644
645 proc_priv->soc_dts = intel_soc_dts_iosf_init(
646 INTEL_SOC_DTS_INTERRUPT_MSI, 2, 0);
647
648 if (!IS_ERR(proc_priv->soc_dts) && pdev->irq) {
649 ret = pci_enable_msi(pdev);
650 if (!ret) {
651 ret = request_threaded_irq(pdev->irq, NULL,
652 proc_thermal_pci_msi_irq,
653 IRQF_ONESHOT, "proc_thermal",
654 pdev);
655 if (ret) {
656 intel_soc_dts_iosf_exit(
657 proc_priv->soc_dts);
658 pci_disable_msi(pdev);
659 proc_priv->soc_dts = NULL;
660 }
661 }
662 } else
663 dev_err(&pdev->dev, "No auxiliary DTSs enabled\n");
664 }
665
666 dev_info(&pdev->dev, "Creating sysfs group for PROC_THERMAL_PCI\n");
667
668 ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_tcc_offset_degree_celsius.attr);
669 if (ret)
670 return ret;
671
672 ret = sysfs_create_group(&pdev->dev.kobj, &power_limit_attribute_group);
673 if (ret)
674 sysfs_remove_file(&pdev->dev.kobj, &dev_attr_tcc_offset_degree_celsius.attr);
675
676 return ret;
677 }
678
679 static void proc_thermal_pci_remove(struct pci_dev *pdev)
680 {
681 struct proc_thermal_device *proc_priv = pci_get_drvdata(pdev);
682
683 if (proc_priv->soc_dts) {
684 intel_soc_dts_iosf_exit(proc_priv->soc_dts);
685 if (pdev->irq) {
686 free_irq(pdev->irq, pdev);
687 pci_disable_msi(pdev);
688 }
689 }
690 proc_thermal_rapl_remove();
691 proc_thermal_remove(proc_priv);
692 }
693
694 #ifdef CONFIG_PM_SLEEP
695 static int proc_thermal_resume(struct device *dev)
696 {
697 struct proc_thermal_device *proc_dev;
698
699 proc_dev = dev_get_drvdata(dev);
700 proc_thermal_read_ppcc(proc_dev);
701
702 tcc_offset_update(tcc_offset_save);
703
704 return 0;
705 }
706 #else
707 #define proc_thermal_resume NULL
708 #endif
709
710 static SIMPLE_DEV_PM_OPS(proc_thermal_pm, NULL, proc_thermal_resume);
711
712 static const struct pci_device_id proc_thermal_pci_ids[] = {
713 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BDW_THERMAL)},
714 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_HSB_THERMAL)},
715 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_SKL_THERMAL),
716 .driver_data = (kernel_ulong_t)&rapl_mmio_hsw, },
717 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BSW_THERMAL)},
718 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BXT0_THERMAL)},
719 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BXT1_THERMAL)},
720 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BXTX_THERMAL)},
721 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BXTP_THERMAL)},
722 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_CNL_THERMAL)},
723 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_CFL_THERMAL)},
724 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_GLK_THERMAL)},
725 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_ICL_THERMAL),
726 .driver_data = (kernel_ulong_t)&rapl_mmio_hsw, },
727 { 0, },
728 };
729
730 MODULE_DEVICE_TABLE(pci, proc_thermal_pci_ids);
731
732 static struct pci_driver proc_thermal_pci_driver = {
733 .name = DRV_NAME,
734 .probe = proc_thermal_pci_probe,
735 .remove = proc_thermal_pci_remove,
736 .id_table = proc_thermal_pci_ids,
737 .driver.pm = &proc_thermal_pm,
738 };
739
740 static const struct acpi_device_id int3401_device_ids[] = {
741 {"INT3401", 0},
742 {"", 0},
743 };
744 MODULE_DEVICE_TABLE(acpi, int3401_device_ids);
745
746 static struct platform_driver int3401_driver = {
747 .probe = int3401_add,
748 .remove = int3401_remove,
749 .driver = {
750 .name = "int3401 thermal",
751 .acpi_match_table = int3401_device_ids,
752 .pm = &proc_thermal_pm,
753 },
754 };
755
756 static int __init proc_thermal_init(void)
757 {
758 int ret;
759
760 ret = platform_driver_register(&int3401_driver);
761 if (ret)
762 return ret;
763
764 ret = pci_register_driver(&proc_thermal_pci_driver);
765
766 return ret;
767 }
768
769 static void __exit proc_thermal_exit(void)
770 {
771 platform_driver_unregister(&int3401_driver);
772 pci_unregister_driver(&proc_thermal_pci_driver);
773 }
774
775 module_init(proc_thermal_init);
776 module_exit(proc_thermal_exit);
777
778 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
779 MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");
780 MODULE_LICENSE("GPL v2");