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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_PCI_H
#define GRUB_PCI_H 1
#ifndef ASM_FILE
#include <grub/types.h>
#include <grub/symbol.h>
#endif
#define GRUB_PCI_ADDR_SPACE_MASK 0x01
#define GRUB_PCI_ADDR_SPACE_MEMORY 0x00
#define GRUB_PCI_ADDR_SPACE_IO 0x01
#define GRUB_PCI_ADDR_MEM_TYPE_MASK 0x06
#define GRUB_PCI_ADDR_MEM_TYPE_32 0x00 /* 32 bit address */
#define GRUB_PCI_ADDR_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
#define GRUB_PCI_ADDR_MEM_TYPE_64 0x04 /* 64 bit address */
#define GRUB_PCI_ADDR_MEM_PREFETCH 0x08 /* prefetchable */
#define GRUB_PCI_ADDR_MEM_MASK ~0xf
#define GRUB_PCI_ADDR_IO_MASK ~0x03
#define GRUB_PCI_REG_PCI_ID 0x00
#define GRUB_PCI_REG_VENDOR 0x00
#define GRUB_PCI_REG_DEVICE 0x02
#define GRUB_PCI_REG_COMMAND 0x04
#define GRUB_PCI_REG_STATUS 0x06
#define GRUB_PCI_REG_REVISION 0x08
#define GRUB_PCI_REG_CLASS 0x08
#define GRUB_PCI_REG_CACHELINE 0x0c
#define GRUB_PCI_REG_LAT_TIMER 0x0d
#define GRUB_PCI_REG_HEADER_TYPE 0x0e
#define GRUB_PCI_REG_BIST 0x0f
#define GRUB_PCI_REG_ADDRESSES 0x10
/* Beware that 64-bit address takes 2 registers. */
#define GRUB_PCI_REG_ADDRESS_REG0 0x10
#define GRUB_PCI_REG_ADDRESS_REG1 0x14
#define GRUB_PCI_REG_ADDRESS_REG2 0x18
#define GRUB_PCI_REG_ADDRESS_REG3 0x1c
#define GRUB_PCI_REG_ADDRESS_REG4 0x20
#define GRUB_PCI_REG_ADDRESS_REG5 0x24
#define GRUB_PCI_REG_CIS_POINTER 0x28
#define GRUB_PCI_REG_SUBVENDOR 0x2c
#define GRUB_PCI_REG_SUBSYSTEM 0x2e
#define GRUB_PCI_REG_ROM_ADDRESS 0x30
#define GRUB_PCI_REG_CAP_POINTER 0x34
#define GRUB_PCI_REG_IRQ_LINE 0x3c
#define GRUB_PCI_REG_IRQ_PIN 0x3d
#define GRUB_PCI_REG_MIN_GNT 0x3e
#define GRUB_PCI_REG_MAX_LAT 0x3f
#define GRUB_PCI_COMMAND_IO_ENABLED 0x0001
#define GRUB_PCI_COMMAND_MEM_ENABLED 0x0002
#define GRUB_PCI_COMMAND_BUS_MASTER 0x0004
#define GRUB_PCI_COMMAND_PARITY_ERROR 0x0040
#define GRUB_PCI_COMMAND_SERR_ENABLE 0x0100
#define GRUB_PCI_STATUS_CAPABILITIES 0x0010
#define GRUB_PCI_STATUS_66MHZ_CAPABLE 0x0020
#define GRUB_PCI_STATUS_FAST_B2B_CAPABLE 0x0080
#define GRUB_PCI_STATUS_DEVSEL_TIMING_SHIFT 9
#define GRUB_PCI_STATUS_DEVSEL_TIMING_MASK 0x0600
#define GRUB_PCI_CLASS_SUBCLASS_VGA 0x0300
#define GRUB_PCI_CLASS_SUBCLASS_USB 0x0c03
#ifndef ASM_FILE
enum
{
GRUB_PCI_CLASS_NETWORK = 0x02
};
enum
{
GRUB_PCI_CAP_POWER_MANAGEMENT = 0x01
};
enum
{
GRUB_PCI_VENDOR_BROADCOM = 0x14e4
};
typedef grub_uint32_t grub_pci_id_t;
#ifdef GRUB_MACHINE_EMU
#include <grub/pciutils.h>
#else
typedef grub_uint32_t grub_pci_address_t;
struct grub_pci_device
{
int bus;
int device;
int function;
};
typedef struct grub_pci_device grub_pci_device_t;
static inline int
grub_pci_get_bus (grub_pci_device_t dev)
{
return dev.bus;
}
static inline int
grub_pci_get_device (grub_pci_device_t dev)
{
return dev.device;
}
static inline int
grub_pci_get_function (grub_pci_device_t dev)
{
return dev.function;
}
#include <grub/cpu/pci.h>
#endif
typedef int (*grub_pci_iteratefunc_t)
(grub_pci_device_t dev, grub_pci_id_t pciid, void *data);
grub_pci_address_t EXPORT_FUNC(grub_pci_make_address) (grub_pci_device_t dev,
int reg);
void EXPORT_FUNC(grub_pci_iterate) (grub_pci_iteratefunc_t hook,
void *hook_data);
#include <grub/dma.h>
grub_uint8_t
EXPORT_FUNC (grub_pci_find_capability) (grub_pci_device_t dev, grub_uint8_t cap);
#endif
#endif /* GRUB_PCI_H */
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