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#ifndef PCI_OPS_H
#define PCI_OPS_H
#include <stdint.h>
#include <device/device.h>
#include <arch/pci_ops.h>
#ifndef __SIMPLE_DEVICE__
u8 pci_read_config8(struct device *dev, unsigned int where);
u16 pci_read_config16(struct device *dev, unsigned int where);
u32 pci_read_config32(struct device *dev, unsigned int where);
void pci_write_config8(struct device *dev, unsigned int where, u8 val);
void pci_write_config16(struct device *dev, unsigned int where, u16 val);
void pci_write_config32(struct device *dev, unsigned int where, u32 val);
#endif
/*
* Use device_t here as the functions are to be used with either
* __SIMPLE_DEVICE__ defined or undefined.
*/
static __always_inline
void pci_or_config8(device_t dev, unsigned int where, u8 ormask)
{
u8 value = pci_read_config8(dev, where);
pci_write_config8(dev, where, value | ormask);
}
static __always_inline
void pci_or_config16(device_t dev, unsigned int where, u16 ormask)
{
u16 value = pci_read_config16(dev, where);
pci_write_config16(dev, where, value | ormask);
}
static __always_inline
void pci_or_config32(device_t dev, unsigned int where, u32 ormask)
{
u32 value = pci_read_config32(dev, where);
pci_write_config32(dev, where, value | ormask);
}
static __always_inline
void pci_update_config8(device_t dev, int reg, u8 mask, u8 or)
{
u8 reg8;
reg8 = pci_read_config8(dev, reg);
reg8 &= mask;
reg8 |= or;
pci_write_config8(dev, reg, reg8);
}
static __always_inline
void pci_update_config16(device_t dev, int reg, u16 mask, u16 or)
{
u16 reg16;
reg16 = pci_read_config16(dev, reg);
reg16 &= mask;
reg16 |= or;
pci_write_config16(dev, reg, reg16);
}
static __always_inline
void pci_update_config32(device_t dev, int reg, u32 mask, u32 or)
{
u32 reg32;
reg32 = pci_read_config32(dev, reg);
reg32 &= mask;
reg32 |= or;
pci_write_config32(dev, reg, reg32);
}
const struct pci_bus_operations *pci_bus_default_ops(struct device *dev);
#endif /* PCI_OPS_H */
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