3e6913b389
Provide clean separation for PCI and PNP headers, followup will also move PNP outside <arch/io.h>. Change-Id: I85db254d50f18ea34a5e95bc517eac4085a5fafa Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/31690 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
115 lines
3 KiB
C
115 lines
3 KiB
C
#ifndef PCI_OPS_H
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#define PCI_OPS_H
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#include <stdint.h>
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#include <device/device.h>
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#include <device/pci_type.h>
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#include <arch/pci_ops.h>
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#ifdef __SIMPLE_DEVICE__
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/* Avoid name collisions as different stages have different signature
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* for these functions. The _s_ stands for simple, fundamental IO or
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* MMIO variant.
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*/
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#define pci_read_config8 pci_s_read_config8
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#define pci_read_config16 pci_s_read_config16
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#define pci_read_config32 pci_s_read_config32
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#define pci_write_config8 pci_s_write_config8
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#define pci_write_config16 pci_s_write_config16
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#define pci_write_config32 pci_s_write_config32
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#else
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u8 pci_read_config8(struct device *dev, unsigned int where);
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u16 pci_read_config16(struct device *dev, unsigned int where);
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u32 pci_read_config32(struct device *dev, unsigned int where);
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void pci_write_config8(struct device *dev, unsigned int where, u8 val);
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void pci_write_config16(struct device *dev, unsigned int where, u16 val);
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void pci_write_config32(struct device *dev, unsigned int where, u32 val);
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const struct pci_bus_operations *pci_bus_default_ops(void);
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#endif
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#ifdef __SIMPLE_DEVICE__
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static __always_inline
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void pci_or_config8(pci_devfn_t dev, unsigned int where, u8 ormask)
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#else
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static __always_inline
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void pci_or_config8(struct device *dev, unsigned int where, u8 ormask)
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#endif
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{
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u8 value = pci_read_config8(dev, where);
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pci_write_config8(dev, where, value | ormask);
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}
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#ifdef __SIMPLE_DEVICE__
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static __always_inline
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void pci_or_config16(pci_devfn_t dev, unsigned int where, u16 ormask)
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#else
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static __always_inline
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void pci_or_config16(struct device *dev, unsigned int where, u16 ormask)
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#endif
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{
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u16 value = pci_read_config16(dev, where);
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pci_write_config16(dev, where, value | ormask);
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}
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#ifdef __SIMPLE_DEVICE__
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static __always_inline
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void pci_or_config32(pci_devfn_t dev, unsigned int where, u32 ormask)
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#else
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static __always_inline
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void pci_or_config32(struct device *dev, unsigned int where, u32 ormask)
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#endif
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{
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u32 value = pci_read_config32(dev, where);
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pci_write_config32(dev, where, value | ormask);
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}
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#ifdef __SIMPLE_DEVICE__
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static __always_inline
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void pci_update_config8(pci_devfn_t dev, int reg, u8 mask, u8 or)
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#else
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static __always_inline
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void pci_update_config8(struct device *dev, int reg, u8 mask, u8 or)
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#endif
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{
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u8 reg8;
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reg8 = pci_read_config8(dev, reg);
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reg8 &= mask;
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reg8 |= or;
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pci_write_config8(dev, reg, reg8);
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}
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#ifdef __SIMPLE_DEVICE__
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static __always_inline
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void pci_update_config16(pci_devfn_t dev, int reg, u16 mask, u16 or)
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#else
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static __always_inline
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void pci_update_config16(struct device *dev, int reg, u16 mask, u16 or)
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#endif
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{
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u16 reg16;
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reg16 = pci_read_config16(dev, reg);
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reg16 &= mask;
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reg16 |= or;
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pci_write_config16(dev, reg, reg16);
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}
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#ifdef __SIMPLE_DEVICE__
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static __always_inline
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void pci_update_config32(pci_devfn_t dev, int reg, u32 mask, u32 or)
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#else
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static __always_inline
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void pci_update_config32(struct device *dev, int reg, u32 mask, u32 or)
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#endif
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{
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u32 reg32;
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reg32 = pci_read_config32(dev, reg);
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reg32 &= mask;
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reg32 |= or;
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pci_write_config32(dev, reg, reg32);
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}
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#endif /* PCI_OPS_H */
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