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authorJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-10 14:47:26 -0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-10 14:47:26 -0400
commitf0cd91a68acdc9b49d7f6738b514a426da627649 (patch)
tree8ad73564015794197583b094217ae0a71e71e753 /drivers/pci
parent60eef25701d25e99c991dd0f4a9f3832a0c3ad3e (diff)
parent128e6ced247cda88f96fa9f2e4ba8b2c4a681560 (diff)
Merge ../linux-2.6
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c3
-rw-r--r--drivers/pci/msi.c231
-rw-r--r--drivers/pci/pci-acpi.c60
-rw-r--r--drivers/pci/pci-driver.c6
-rw-r--r--drivers/pci/pci.c12
-rw-r--r--drivers/pci/pci.h11
-rw-r--r--drivers/pci/quirks.c55
7 files changed, 312 insertions, 66 deletions
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 6e79f5675b0d..638004546700 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -360,9 +360,6 @@ static int __init rpaphp_init(void)
360 while ((dn = of_find_node_by_type(dn, "pci"))) 360 while ((dn = of_find_node_by_type(dn, "pci")))
361 rpaphp_add_slot(dn); 361 rpaphp_add_slot(dn);
362 362
363 if (!num_slots)
364 return -ENODEV;
365
366 return 0; 363 return 0;
367} 364}
368 365
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index a77e79c8c82e..9855c4c920b8 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -504,6 +504,201 @@ void pci_scan_msi_device(struct pci_dev *dev)
504 nr_reserved_vectors++; 504 nr_reserved_vectors++;
505} 505}
506 506
507#ifdef CONFIG_PM
508int pci_save_msi_state(struct pci_dev *dev)
509{
510 int pos, i = 0;
511 u16 control;
512 struct pci_cap_saved_state *save_state;
513 u32 *cap;
514
515 pos = pci_find_capability(dev, PCI_CAP_ID_MSI);
516 if (pos <= 0 || dev->no_msi)
517 return 0;
518
519 pci_read_config_word(dev, msi_control_reg(pos), &control);
520 if (!(control & PCI_MSI_FLAGS_ENABLE))
521 return 0;
522
523 save_state = kzalloc(sizeof(struct pci_cap_saved_state) + sizeof(u32) * 5,
524 GFP_KERNEL);
525 if (!save_state) {
526 printk(KERN_ERR "Out of memory in pci_save_msi_state\n");
527 return -ENOMEM;
528 }
529 cap = &save_state->data[0];
530
531 pci_read_config_dword(dev, pos, &cap[i++]);
532 control = cap[0] >> 16;
533 pci_read_config_dword(dev, pos + PCI_MSI_ADDRESS_LO, &cap[i++]);
534 if (control & PCI_MSI_FLAGS_64BIT) {
535 pci_read_config_dword(dev, pos + PCI_MSI_ADDRESS_HI, &cap[i++]);
536 pci_read_config_dword(dev, pos + PCI_MSI_DATA_64, &cap[i++]);
537 } else
538 pci_read_config_dword(dev, pos + PCI_MSI_DATA_32, &cap[i++]);
539 if (control & PCI_MSI_FLAGS_MASKBIT)
540 pci_read_config_dword(dev, pos + PCI_MSI_MASK_BIT, &cap[i++]);
541 disable_msi_mode(dev, pos, PCI_CAP_ID_MSI);
542 save_state->cap_nr = PCI_CAP_ID_MSI;
543 pci_add_saved_cap(dev, save_state);
544 return 0;
545}
546
547void pci_restore_msi_state(struct pci_dev *dev)
548{
549 int i = 0, pos;
550 u16 control;
551 struct pci_cap_saved_state *save_state;
552 u32 *cap;
553
554 save_state = pci_find_saved_cap(dev, PCI_CAP_ID_MSI);
555 pos = pci_find_capability(dev, PCI_CAP_ID_MSI);
556 if (!save_state || pos <= 0)
557 return;
558 cap = &save_state->data[0];
559
560 control = cap[i++] >> 16;
561 pci_write_config_dword(dev, pos + PCI_MSI_ADDRESS_LO, cap[i++]);
562 if (control & PCI_MSI_FLAGS_64BIT) {
563 pci_write_config_dword(dev, pos + PCI_MSI_ADDRESS_HI, cap[i++]);
564 pci_write_config_dword(dev, pos + PCI_MSI_DATA_64, cap[i++]);
565 } else
566 pci_write_config_dword(dev, pos + PCI_MSI_DATA_32, cap[i++]);
567 if (control & PCI_MSI_FLAGS_MASKBIT)
568 pci_write_config_dword(dev, pos + PCI_MSI_MASK_BIT, cap[i++]);
569 pci_write_config_word(dev, pos + PCI_MSI_FLAGS, control);
570 enable_msi_mode(dev, pos, PCI_CAP_ID_MSI);
571 pci_remove_saved_cap(save_state);
572 kfree(save_state);
573}
574
575int pci_save_msix_state(struct pci_dev *dev)
576{
577 int pos;
578 u16 control;
579 struct pci_cap_saved_state *save_state;
580
581 pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
582 if (pos <= 0 || dev->no_msi)
583 return 0;
584
585 pci_read_config_word(dev, msi_control_reg(pos), &control);
586 if (!(control & PCI_MSIX_FLAGS_ENABLE))
587 return 0;
588 save_state = kzalloc(sizeof(struct pci_cap_saved_state) + sizeof(u16),
589 GFP_KERNEL);
590 if (!save_state) {
591 printk(KERN_ERR "Out of memory in pci_save_msix_state\n");
592 return -ENOMEM;
593 }
594 *((u16 *)&save_state->data[0]) = control;
595
596 disable_msi_mode(dev, pos, PCI_CAP_ID_MSIX);
597 save_state->cap_nr = PCI_CAP_ID_MSIX;
598 pci_add_saved_cap(dev, save_state);
599 return 0;
600}
601
602void pci_restore_msix_state(struct pci_dev *dev)
603{
604 u16 save;
605 int pos;
606 int vector, head, tail = 0;
607 void __iomem *base;
608 int j;
609 struct msg_address address;
610 struct msg_data data;
611 struct msi_desc *entry;
612 int temp;
613 struct pci_cap_saved_state *save_state;
614
615 save_state = pci_find_saved_cap(dev, PCI_CAP_ID_MSIX);
616 if (!save_state)
617 return;
618 save = *((u16 *)&save_state->data[0]);
619 pci_remove_saved_cap(save_state);
620 kfree(save_state);
621
622 pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
623 if (pos <= 0)
624 return;
625
626 /* route the table */
627 temp = dev->irq;
628 if (msi_lookup_vector(dev, PCI_CAP_ID_MSIX))
629 return;
630 vector = head = dev->irq;
631 while (head != tail) {
632 entry = msi_desc[vector];
633 base = entry->mask_base;
634 j = entry->msi_attrib.entry_nr;
635
636 msi_address_init(&address);
637 msi_data_init(&data, vector);
638
639 address.lo_address.value &= MSI_ADDRESS_DEST_ID_MASK;
640 address.lo_address.value |= entry->msi_attrib.current_cpu <<
641 MSI_TARGET_CPU_SHIFT;
642
643 writel(address.lo_address.value,
644 base + j * PCI_MSIX_ENTRY_SIZE +
645 PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET);
646 writel(address.hi_address,
647 base + j * PCI_MSIX_ENTRY_SIZE +
648 PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET);
649 writel(*(u32*)&data,
650 base + j * PCI_MSIX_ENTRY_SIZE +
651 PCI_MSIX_ENTRY_DATA_OFFSET);
652
653 tail = msi_desc[vector]->link.tail;
654 vector = tail;
655 }
656 dev->irq = temp;
657
658 pci_write_config_word(dev, msi_control_reg(pos), save);
659 enable_msi_mode(dev, pos, PCI_CAP_ID_MSIX);
660}
661#endif
662
663static void msi_register_init(struct pci_dev *dev, struct msi_desc *entry)
664{
665 struct msg_address address;
666 struct msg_data data;
667 int pos, vector = dev->irq;
668 u16 control;
669
670 pos = pci_find_capability(dev, PCI_CAP_ID_MSI);
671 pci_read_config_word(dev, msi_control_reg(pos), &control);
672 /* Configure MSI capability structure */
673 msi_address_init(&address);
674 msi_data_init(&data, vector);
675 entry->msi_attrib.current_cpu = ((address.lo_address.u.dest_id >>
676 MSI_TARGET_CPU_SHIFT) & MSI_TARGET_CPU_MASK);
677 pci_write_config_dword(dev, msi_lower_address_reg(pos),
678 address.lo_address.value);
679 if (is_64bit_address(control)) {
680 pci_write_config_dword(dev,
681 msi_upper_address_reg(pos), address.hi_address);
682 pci_write_config_word(dev,
683 msi_data_reg(pos, 1), *((u32*)&data));
684 } else
685 pci_write_config_word(dev,
686 msi_data_reg(pos, 0), *((u32*)&data));
687 if (entry->msi_attrib.maskbit) {
688 unsigned int maskbits, temp;
689 /* All MSIs are unmasked by default, Mask them all */
690 pci_read_config_dword(dev,
691 msi_mask_bits_reg(pos, is_64bit_address(control)),
692 &maskbits);
693 temp = (1 << multi_msi_capable(control));
694 temp = ((temp - 1) & ~temp);
695 maskbits |= temp;
696 pci_write_config_dword(dev,
697 msi_mask_bits_reg(pos, is_64bit_address(control)),
698 maskbits);
699 }
700}
701
507/** 702/**
508 * msi_capability_init - configure device's MSI capability structure 703 * msi_capability_init - configure device's MSI capability structure
509 * @dev: pointer to the pci_dev data structure of MSI device function 704 * @dev: pointer to the pci_dev data structure of MSI device function
@@ -516,8 +711,6 @@ void pci_scan_msi_device(struct pci_dev *dev)
516static int msi_capability_init(struct pci_dev *dev) 711static int msi_capability_init(struct pci_dev *dev)
517{ 712{
518 struct msi_desc *entry; 713 struct msi_desc *entry;
519 struct msg_address address;
520 struct msg_data data;
521 int pos, vector; 714 int pos, vector;
522 u16 control; 715 u16 control;
523 716
@@ -549,33 +742,8 @@ static int msi_capability_init(struct pci_dev *dev)
549 /* Replace with MSI handler */ 742 /* Replace with MSI handler */
550 irq_handler_init(PCI_CAP_ID_MSI, vector, entry->msi_attrib.maskbit); 743 irq_handler_init(PCI_CAP_ID_MSI, vector, entry->msi_attrib.maskbit);
551 /* Configure MSI capability structure */ 744 /* Configure MSI capability structure */
552 msi_address_init(&address); 745 msi_register_init(dev, entry);
553 msi_data_init(&data, vector); 746
554 entry->msi_attrib.current_cpu = ((address.lo_address.u.dest_id >>
555 MSI_TARGET_CPU_SHIFT) & MSI_TARGET_CPU_MASK);
556 pci_write_config_dword(dev, msi_lower_address_reg(pos),
557 address.lo_address.value);
558 if (is_64bit_address(control)) {
559 pci_write_config_dword(dev,
560 msi_upper_address_reg(pos), address.hi_address);
561 pci_write_config_word(dev,
562 msi_data_reg(pos, 1), *((u32*)&data));
563 } else
564 pci_write_config_word(dev,
565 msi_data_reg(pos, 0), *((u32*)&data));
566 if (entry->msi_attrib.maskbit) {
567 unsigned int maskbits, temp;
568 /* All MSIs are unmasked by default, Mask them all */
569 pci_read_config_dword(dev,
570 msi_mask_bits_reg(pos, is_64bit_address(control)),
571 &maskbits);
572 temp = (1 << multi_msi_capable(control));
573 temp = ((temp - 1) & ~temp);
574 maskbits |= temp;
575 pci_write_config_dword(dev,
576 msi_mask_bits_reg(pos, is_64bit_address(control)),
577 maskbits);
578 }
579 attach_msi_entry(entry, vector); 747 attach_msi_entry(entry, vector);
580 /* Set MSI enabled bits */ 748 /* Set MSI enabled bits */
581 enable_msi_mode(dev, pos, PCI_CAP_ID_MSI); 749 enable_msi_mode(dev, pos, PCI_CAP_ID_MSI);
@@ -625,8 +793,10 @@ static int msix_capability_init(struct pci_dev *dev,
625 if (!entry) 793 if (!entry)
626 break; 794 break;
627 vector = get_msi_vector(dev); 795 vector = get_msi_vector(dev);
628 if (vector < 0) 796 if (vector < 0) {
797 kmem_cache_free(msi_cachep, entry);
629 break; 798 break;
799 }
630 800
631 j = entries[i].entry; 801 j = entries[i].entry;
632 entries[i].vector = vector; 802 entries[i].vector = vector;
@@ -731,6 +901,7 @@ int pci_enable_msi(struct pci_dev* dev)
731 vector_irq[dev->irq] = -1; 901 vector_irq[dev->irq] = -1;
732 nr_released_vectors--; 902 nr_released_vectors--;
733 spin_unlock_irqrestore(&msi_lock, flags); 903 spin_unlock_irqrestore(&msi_lock, flags);
904 msi_register_init(dev, msi_desc[dev->irq]);
734 enable_msi_mode(dev, pos, PCI_CAP_ID_MSI); 905 enable_msi_mode(dev, pos, PCI_CAP_ID_MSI);
735 return 0; 906 return 0;
736 } 907 }
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 6917c6cb0912..c2ecae5ff0c1 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -33,13 +33,10 @@ acpi_query_osc (
33 acpi_status status; 33 acpi_status status;
34 struct acpi_object_list input; 34 struct acpi_object_list input;
35 union acpi_object in_params[4]; 35 union acpi_object in_params[4];
36 struct acpi_buffer output; 36 struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
37 union acpi_object out_obj; 37 union acpi_object *out_obj;
38 u32 osc_dw0; 38 u32 osc_dw0;
39 39
40 /* Setting up output buffer */
41 output.length = sizeof(out_obj) + 3*sizeof(u32);
42 output.pointer = &out_obj;
43 40
44 /* Setting up input parameters */ 41 /* Setting up input parameters */
45 input.count = 4; 42 input.count = 4;
@@ -61,12 +58,15 @@ acpi_query_osc (
61 "Evaluate _OSC Set fails. Status = 0x%04x\n", status); 58 "Evaluate _OSC Set fails. Status = 0x%04x\n", status);
62 return status; 59 return status;
63 } 60 }
64 if (out_obj.type != ACPI_TYPE_BUFFER) { 61 out_obj = output.pointer;
62
63 if (out_obj->type != ACPI_TYPE_BUFFER) {
65 printk(KERN_DEBUG 64 printk(KERN_DEBUG
66 "Evaluate _OSC returns wrong type\n"); 65 "Evaluate _OSC returns wrong type\n");
67 return AE_TYPE; 66 status = AE_TYPE;
67 goto query_osc_out;
68 } 68 }
69 osc_dw0 = *((u32 *) out_obj.buffer.pointer); 69 osc_dw0 = *((u32 *) out_obj->buffer.pointer);
70 if (osc_dw0) { 70 if (osc_dw0) {
71 if (osc_dw0 & OSC_REQUEST_ERROR) 71 if (osc_dw0 & OSC_REQUEST_ERROR)
72 printk(KERN_DEBUG "_OSC request fails\n"); 72 printk(KERN_DEBUG "_OSC request fails\n");
@@ -76,15 +76,21 @@ acpi_query_osc (
76 printk(KERN_DEBUG "_OSC invalid revision\n"); 76 printk(KERN_DEBUG "_OSC invalid revision\n");
77 if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) { 77 if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) {
78 /* Update Global Control Set */ 78 /* Update Global Control Set */
79 global_ctrlsets = *((u32 *)(out_obj.buffer.pointer+8)); 79 global_ctrlsets = *((u32 *)(out_obj->buffer.pointer+8));
80 return AE_OK; 80 status = AE_OK;
81 goto query_osc_out;
81 } 82 }
82 return AE_ERROR; 83 status = AE_ERROR;
84 goto query_osc_out;
83 } 85 }
84 86
85 /* Update Global Control Set */ 87 /* Update Global Control Set */
86 global_ctrlsets = *((u32 *)(out_obj.buffer.pointer + 8)); 88 global_ctrlsets = *((u32 *)(out_obj->buffer.pointer + 8));
87 return AE_OK; 89 status = AE_OK;
90
91query_osc_out:
92 kfree(output.pointer);
93 return status;
88} 94}
89 95
90 96
@@ -96,14 +102,10 @@ acpi_run_osc (
96 acpi_status status; 102 acpi_status status;
97 struct acpi_object_list input; 103 struct acpi_object_list input;
98 union acpi_object in_params[4]; 104 union acpi_object in_params[4];
99 struct acpi_buffer output; 105 struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
100 union acpi_object out_obj; 106 union acpi_object *out_obj;
101 u32 osc_dw0; 107 u32 osc_dw0;
102 108
103 /* Setting up output buffer */
104 output.length = sizeof(out_obj) + 3*sizeof(u32);
105 output.pointer = &out_obj;
106
107 /* Setting up input parameters */ 109 /* Setting up input parameters */
108 input.count = 4; 110 input.count = 4;
109 input.pointer = in_params; 111 input.pointer = in_params;
@@ -124,12 +126,14 @@ acpi_run_osc (
124 "Evaluate _OSC Set fails. Status = 0x%04x\n", status); 126 "Evaluate _OSC Set fails. Status = 0x%04x\n", status);
125 return status; 127 return status;
126 } 128 }
127 if (out_obj.type != ACPI_TYPE_BUFFER) { 129 out_obj = output.pointer;
130 if (out_obj->type != ACPI_TYPE_BUFFER) {
128 printk(KERN_DEBUG 131 printk(KERN_DEBUG
129 "Evaluate _OSC returns wrong type\n"); 132 "Evaluate _OSC returns wrong type\n");
130 return AE_TYPE; 133 status = AE_TYPE;
134 goto run_osc_out;
131 } 135 }
132 osc_dw0 = *((u32 *) out_obj.buffer.pointer); 136 osc_dw0 = *((u32 *) out_obj->buffer.pointer);
133 if (osc_dw0) { 137 if (osc_dw0) {
134 if (osc_dw0 & OSC_REQUEST_ERROR) 138 if (osc_dw0 & OSC_REQUEST_ERROR)
135 printk(KERN_DEBUG "_OSC request fails\n"); 139 printk(KERN_DEBUG "_OSC request fails\n");
@@ -139,11 +143,17 @@ acpi_run_osc (
139 printk(KERN_DEBUG "_OSC invalid revision\n"); 143 printk(KERN_DEBUG "_OSC invalid revision\n");
140 if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) { 144 if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) {
141 printk(KERN_DEBUG "_OSC FW not grant req. control\n"); 145 printk(KERN_DEBUG "_OSC FW not grant req. control\n");
142 return AE_SUPPORT; 146 status = AE_SUPPORT;
147 goto run_osc_out;
143 } 148 }
144 return AE_ERROR; 149 status = AE_ERROR;
150 goto run_osc_out;
145 } 151 }
146 return AE_OK; 152 status = AE_OK;
153
154run_osc_out:
155 kfree(output.pointer);
156 return status;
147} 157}
148 158
149/** 159/**
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index f22f69ac6445..1456759936c5 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -271,10 +271,12 @@ static int pci_device_suspend(struct device * dev, pm_message_t state)
271 struct pci_driver * drv = pci_dev->driver; 271 struct pci_driver * drv = pci_dev->driver;
272 int i = 0; 272 int i = 0;
273 273
274 if (drv && drv->suspend) 274 if (drv && drv->suspend) {
275 i = drv->suspend(pci_dev, state); 275 i = drv->suspend(pci_dev, state);
276 else 276 suspend_report_result(drv->suspend, i);
277 } else {
277 pci_save_state(pci_dev); 278 pci_save_state(pci_dev);
279 }
278 return i; 280 return i;
279} 281}
280 282
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index bea1ad1ad5ba..2329f941a0dc 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -307,9 +307,11 @@ pci_set_power_state(struct pci_dev *dev, pci_power_t state)
307 * Can enter D0 from any state, but if we can only go deeper 307 * Can enter D0 from any state, but if we can only go deeper
308 * to sleep if we're already in a low power state 308 * to sleep if we're already in a low power state
309 */ 309 */
310 if (state != PCI_D0 && dev->current_state > state) 310 if (state != PCI_D0 && dev->current_state > state) {
311 printk(KERN_ERR "%s(): %s: state=%d, current state=%d\n",
312 __FUNCTION__, pci_name(dev), state, dev->current_state);
311 return -EINVAL; 313 return -EINVAL;
312 else if (dev->current_state == state) 314 } else if (dev->current_state == state)
313 return 0; /* we're already there */ 315 return 0; /* we're already there */
314 316
315 /* find PCI PM capability in list */ 317 /* find PCI PM capability in list */
@@ -444,6 +446,10 @@ pci_save_state(struct pci_dev *dev)
444 /* XXX: 100% dword access ok here? */ 446 /* XXX: 100% dword access ok here? */
445 for (i = 0; i < 16; i++) 447 for (i = 0; i < 16; i++)
446 pci_read_config_dword(dev, i * 4,&dev->saved_config_space[i]); 448 pci_read_config_dword(dev, i * 4,&dev->saved_config_space[i]);
449 if ((i = pci_save_msi_state(dev)) != 0)
450 return i;
451 if ((i = pci_save_msix_state(dev)) != 0)
452 return i;
447 return 0; 453 return 0;
448} 454}
449 455
@@ -458,6 +464,8 @@ pci_restore_state(struct pci_dev *dev)
458 464
459 for (i = 0; i < 16; i++) 465 for (i = 0; i < 16; i++)
460 pci_write_config_dword(dev,i * 4, dev->saved_config_space[i]); 466 pci_write_config_dword(dev,i * 4, dev->saved_config_space[i]);
467 pci_restore_msi_state(dev);
468 pci_restore_msix_state(dev);
461 return 0; 469 return 0;
462} 470}
463 471
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 8f3fb47ea671..30630cbe2fe3 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -55,6 +55,17 @@ void pci_no_msi(void);
55static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { } 55static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { }
56static inline void pci_no_msi(void) { } 56static inline void pci_no_msi(void) { }
57#endif 57#endif
58#if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
59int pci_save_msi_state(struct pci_dev *dev);
60int pci_save_msix_state(struct pci_dev *dev);
61void pci_restore_msi_state(struct pci_dev *dev);
62void pci_restore_msix_state(struct pci_dev *dev);
63#else
64static inline int pci_save_msi_state(struct pci_dev *dev) { return 0; }
65static inline int pci_save_msix_state(struct pci_dev *dev) { return 0; }
66static inline void pci_restore_msi_state(struct pci_dev *dev) {}
67static inline void pci_restore_msix_state(struct pci_dev *dev) {}
68#endif
58 69
59extern int pcie_mch_quirk; 70extern int pcie_mch_quirk;
60extern struct device_attribute pci_dev_attrs[]; 71extern struct device_attribute pci_dev_attrs[];
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 4970f47be72c..d378478612fb 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -592,7 +592,7 @@ static void __init quirk_amd_8131_ioapic(struct pci_dev *dev)
592 pci_write_config_byte( dev, AMD8131_MISC, tmp); 592 pci_write_config_byte( dev, AMD8131_MISC, tmp);
593 } 593 }
594} 594}
595DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_APIC, quirk_amd_8131_ioapic ); 595DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_amd_8131_ioapic);
596 596
597static void __init quirk_svw_msi(struct pci_dev *dev) 597static void __init quirk_svw_msi(struct pci_dev *dev)
598{ 598{
@@ -634,6 +634,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_vi
634 * non-x86 architectures (yes Via exists on PPC among other places), 634 * non-x86 architectures (yes Via exists on PPC among other places),
635 * we must mask the PCI_INTERRUPT_LINE value versus 0xf to get 635 * we must mask the PCI_INTERRUPT_LINE value versus 0xf to get
636 * interrupts delivered properly. 636 * interrupts delivered properly.
637 *
638 * Some of the on-chip devices are actually '586 devices' so they are
639 * listed here.
637 */ 640 */
638static void quirk_via_irq(struct pci_dev *dev) 641static void quirk_via_irq(struct pci_dev *dev)
639{ 642{
@@ -642,13 +645,19 @@ static void quirk_via_irq(struct pci_dev *dev)
642 new_irq = dev->irq & 0xf; 645 new_irq = dev->irq & 0xf;
643 pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq); 646 pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
644 if (new_irq != irq) { 647 if (new_irq != irq) {
645 printk(KERN_INFO "PCI: Via IRQ fixup for %s, from %d to %d\n", 648 printk(KERN_INFO "PCI: VIA IRQ fixup for %s, from %d to %d\n",
646 pci_name(dev), irq, new_irq); 649 pci_name(dev), irq, new_irq);
647 udelay(15); /* unknown if delay really needed */ 650 udelay(15); /* unknown if delay really needed */
648 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq); 651 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
649 } 652 }
650} 653}
651DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq); 654DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0, quirk_via_irq);
655DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, quirk_via_irq);
656DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, quirk_via_irq);
657DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_via_irq);
658DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_irq);
659DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_irq);
660DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, quirk_via_irq);
652 661
653/* 662/*
654 * VIA VT82C598 has its device ID settable and many BIOSes 663 * VIA VT82C598 has its device ID settable and many BIOSes
@@ -865,6 +874,36 @@ static void __init quirk_eisa_bridge(struct pci_dev *dev)
865DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_eisa_bridge ); 874DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_eisa_bridge );
866 875
867/* 876/*
877 * On the MSI-K8T-Neo2Fir Board, the internal Soundcard is disabled
878 * when a PCI-Soundcard is added. The BIOS only gives Options
879 * "Disabled" and "AUTO". This Quirk Sets the corresponding
880 * Register-Value to enable the Soundcard.
881 */
882static void __init k8t_sound_hostbridge(struct pci_dev *dev)
883{
884 unsigned char val;
885
886 printk(KERN_INFO "PCI: Quirk-MSI-K8T Soundcard On\n");
887 pci_read_config_byte(dev, 0x50, &val);
888 if (val == 0x88 || val == 0xc8) {
889 pci_write_config_byte(dev, 0x50, val & (~0x40));
890
891 /* Verify the Change for Status output */
892 pci_read_config_byte(dev, 0x50, &val);
893 if (val & 0x40)
894 printk(KERN_INFO "PCI: MSI-K8T soundcard still off\n");
895 else
896 printk(KERN_INFO "PCI: MSI-K8T soundcard on\n");
897 } else {
898 printk(KERN_INFO "PCI: Unexpected Value in PCI-Register: "
899 "no Change!\n");
900 }
901
902}
903DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge);
904
905#ifndef CONFIG_ACPI_SLEEP
906/*
868 * On ASUS P4B boards, the SMBus PCI Device within the ICH2/4 southbridge 907 * On ASUS P4B boards, the SMBus PCI Device within the ICH2/4 southbridge
869 * is not activated. The myth is that Asus said that they do not want the 908 * is not activated. The myth is that Asus said that they do not want the
870 * users to be irritated by just another PCI Device in the Win98 device 909 * users to be irritated by just another PCI Device in the Win98 device
@@ -875,8 +914,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_e
875 * bridge. Unfortunately, this device has no subvendor/subdevice ID. So it 914 * bridge. Unfortunately, this device has no subvendor/subdevice ID. So it
876 * becomes necessary to do this tweak in two steps -- I've chosen the Host 915 * becomes necessary to do this tweak in two steps -- I've chosen the Host
877 * bridge as trigger. 916 * bridge as trigger.
917 *
918 * Actually, leaving it unhidden and not redoing the quirk over suspend2ram
919 * will cause thermal management to break down, and causing machine to
920 * overheat.
878 */ 921 */
879static int __initdata asus_hides_smbus = 0; 922static int __initdata asus_hides_smbus;
880 923
881static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev) 924static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
882{ 925{
@@ -921,6 +964,7 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
921 if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB) { 964 if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB) {
922 switch (dev->subsystem_device) { 965 switch (dev->subsystem_device) {
923 case 0x1882: /* M6V notebook */ 966 case 0x1882: /* M6V notebook */
967 case 0x1977: /* A6VA notebook */
924 asus_hides_smbus = 1; 968 asus_hides_smbus = 1;
925 } 969 }
926 } 970 }
@@ -999,6 +1043,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0, asu
999DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, asus_hides_smbus_lpc ); 1043DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, asus_hides_smbus_lpc );
1000DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, asus_hides_smbus_lpc ); 1044DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, asus_hides_smbus_lpc );
1001DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, asus_hides_smbus_lpc ); 1045DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, asus_hides_smbus_lpc );
1046DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, asus_hides_smbus_lpc );
1002 1047
1003static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev) 1048static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev)
1004{ 1049{
@@ -1017,6 +1062,8 @@ static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev)
1017} 1062}
1018DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, asus_hides_smbus_lpc_ich6 ); 1063DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, asus_hides_smbus_lpc_ich6 );
1019 1064
1065#endif
1066
1020/* 1067/*
1021 * SiS 96x south bridge: BIOS typically hides SMBus device... 1068 * SiS 96x south bridge: BIOS typically hides SMBus device...
1022 */ 1069 */