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pci: add set_powerstate and get_powerstate legacy hooks

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Change-Id: I827112ffb1a65ada99605671b112d8fd0e6db4b5
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4976
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
This commit is contained in:
Jérôme Duval 2022-02-18 20:27:02 +01:00
parent 2d0d5cb55e
commit cba67843b0
5 changed files with 64 additions and 1 deletions
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3
headers/os/drivers/PCI.h
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@ -182,6 +182,9 @@ struct pci_module_info {
uint16 cap_id,
uint16 *offset
);
status_t (*get_powerstate)(uint8 bus, uint8 device, uint8 function, uint8* state);
status_t (*set_powerstate)(uint8 bus, uint8 device, uint8 function, uint8 newState);
};
#define B_PCI_MODULE_NAME "bus_managers/pci/v1"

50
src/add-ons/kernel/bus_managers/pci/pci.cpp
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@ -300,6 +300,30 @@ pci_update_interrupt_line(uchar virtualBus, uchar device, uchar function,
}
status_t
pci_get_powerstate(uchar virtualBus, uint8 device, uint8 function, uint8* state)
{
uint8 bus;
uint8 domain;
if (gPCI->ResolveVirtualBus(virtualBus, &domain, &bus) != B_OK)
return B_ERROR;
return gPCI->GetPowerstate(domain, bus, device, function, state);
}
status_t
pci_set_powerstate(uchar virtualBus, uint8 device, uint8 function, uint8 newState)
{
uint8 bus;
uint8 domain;
if (gPCI->ResolveVirtualBus(virtualBus, &domain, &bus) != B_OK)
return B_ERROR;
return gPCI->SetPowerstate(domain, bus, device, function, newState);
}
// used by pci_info.cpp print_info_basic()
void
__pci_resolve_virtual_bus(uint8 virtualBus, uint8 *domain, uint8 *bus)
@ -1838,3 +1862,29 @@ PCI::SetPowerstate(PCIDev *device, uint8 newState)
}
}
status_t
PCI::GetPowerstate(uint8 domain, uint8 bus, uint8 _device, uint8 function,
uint8* state)
{
PCIDev *device = FindDevice(domain, bus, _device, function);
if (device == NULL)
return B_ERROR;
*state = GetPowerstate(device);
return B_OK;
}
status_t
PCI::SetPowerstate(uint8 domain, uint8 bus, uint8 _device, uint8 function,
uint8 newState)
{
PCIDev *device = FindDevice(domain, bus, _device, function);
if (device == NULL)
return B_ERROR;
SetPowerstate(device, newState);
return B_OK;
}

4
src/add-ons/kernel/bus_managers/pci/pci.h
View File

@ -115,7 +115,11 @@ public:
void ClearDeviceStatus(PCIBus *bus, bool dumpStatus);
uint8 GetPowerstate(PCIDev *device);
status_t GetPowerstate(uint8 domain, uint8 bus, uint8 device,
uint8 function, uint8* state);
void SetPowerstate(PCIDev *device, uint8 state);
status_t SetPowerstate(uint8 domain, uint8 bus, uint8 device,
uint8 function, uint8 newState);
void RefreshDeviceInfo();

4
src/add-ons/kernel/bus_managers/pci/pci_module.cpp
View File

@ -68,7 +68,9 @@ static struct pci_module_info sOldPCIModule = {
&pci_reserve_device,
&pci_unreserve_device,
&pci_update_interrupt_line,
&pci_find_extended_capability
&pci_find_extended_capability,
&pci_get_powerstate,
&pci_set_powerstate
};
module_dependency module_dependencies[] = {

4
src/add-ons/kernel/bus_managers/pci/pci_private.h
View File

@ -60,6 +60,10 @@ status_t pci_unreserve_device(uchar virtualBus, uchar device, uchar function,
status_t pci_update_interrupt_line(uchar virtualBus, uchar device,
uchar function, uchar newInterruptLineValue);
status_t pci_get_powerstate(uchar virtualBus, uint8 device,
uint8 function, uint8* state);
status_t pci_set_powerstate(uchar virtualBus, uint8 device,
uint8 function, uint8 newState);
status_t pci_io_init(void);
uint8 pci_read_io_8(int mapped_io_addr);