[netwatch.git] / pci / pci-raw.c

#include <io.h>
#include <stdint.h>
#include <pci.h>

static void __pci_config(int bus, int slot, int fn, int addr)
{
	outl(0xCF8, 0x80000000ULL | (bus << 16) | (slot << 11) | (fn << 8) | addr);
}

void pci_write32(int bus, int slot, int fn, int addr, uint32_t data)
{
	__pci_config(bus, slot, fn, addr);
	outl(0xCFC, data);
}

void pci_write16(int bus, int slot, int fn, int addr, uint16_t data)
{
	__pci_config(bus, slot, fn, addr);
	outw(0xCFC, data);
}

void pci_write8(int bus, int slot, int fn, int addr, uint8_t data)
{
	__pci_config(bus, slot, fn, addr);
	outb(0xCFC, data);
}

uint32_t pci_read32(int bus, int slot, int fn, int addr)
{
	__pci_config(bus, slot, fn, addr);
	return inl(0xCFC);
}

uint16_t pci_read16(int bus, int slot, int fn, int addr)
{
	__pci_config(bus, slot, fn, addr);
	return inw(0xCFC);
}

uint8_t pci_read8(int bus, int slot, int fn, int addr)
{
	__pci_config(bus, slot, fn, addr);
	return inb(0xCFC);
}
Commit	Line	Data
035d7af7	1	#include <io.h>
7e16b8e6	2	#include <stdint.h>
81148fa1	3	#include <pci.h>
035d7af7 JW	4
	5	static void __pci_config(int bus, int slot, int fn, int addr)
	6	{
	7	outl(0xCF8, 0x80000000ULL \| (bus << 16) \| (slot << 11) \| (fn << 8) \| addr);
	8	}
	9
	10	void pci_write32(int bus, int slot, int fn, int addr, uint32_t data)
	11	{
	12	__pci_config(bus, slot, fn, addr);
	13	outl(0xCFC, data);
	14	}
	15
	16	void pci_write16(int bus, int slot, int fn, int addr, uint16_t data)
	17	{
	18	__pci_config(bus, slot, fn, addr);
	19	outw(0xCFC, data);
	20	}
	21
	22	void pci_write8(int bus, int slot, int fn, int addr, uint8_t data)
	23	{
	24	__pci_config(bus, slot, fn, addr);
	25	outb(0xCFC, data);
	26	}
	27
	28	uint32_t pci_read32(int bus, int slot, int fn, int addr)
	29	{
	30	__pci_config(bus, slot, fn, addr);
	31	return inl(0xCFC);
	32	}
	33
	34	uint16_t pci_read16(int bus, int slot, int fn, int addr)
	35	{
	36	__pci_config(bus, slot, fn, addr);
	37	return inw(0xCFC);
	38	}
	39
	40	uint8_t pci_read8(int bus, int slot, int fn, int addr)
	41	{
	42	__pci_config(bus, slot, fn, addr);
	43	return inb(0xCFC);
	44	}