mirror of
https://git.proxmox.com/git/grub2
synced 2025-11-04 10:59:34 +00:00
173 lines
4.9 KiB
C
173 lines
4.9 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008,2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_PCI_H
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#define GRUB_PCI_H 1
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#ifndef ASM_FILE
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#include <grub/types.h>
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#include <grub/symbol.h>
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#endif
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#define GRUB_PCI_ADDR_SPACE_MASK 0x01
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#define GRUB_PCI_ADDR_SPACE_MEMORY 0x00
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#define GRUB_PCI_ADDR_SPACE_IO 0x01
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#define GRUB_PCI_ADDR_MEM_TYPE_MASK 0x06
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#define GRUB_PCI_ADDR_MEM_TYPE_32 0x00 /* 32 bit address */
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#define GRUB_PCI_ADDR_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
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#define GRUB_PCI_ADDR_MEM_TYPE_64 0x04 /* 64 bit address */
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#define GRUB_PCI_ADDR_MEM_PREFETCH 0x08 /* prefetchable */
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#define GRUB_PCI_ADDR_MEM_MASK ~0xf
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#define GRUB_PCI_ADDR_IO_MASK ~0x03
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#define GRUB_PCI_REG_PCI_ID 0x00
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#define GRUB_PCI_REG_VENDOR 0x00
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#define GRUB_PCI_REG_DEVICE 0x02
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#define GRUB_PCI_REG_COMMAND 0x04
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#define GRUB_PCI_REG_STATUS 0x06
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#define GRUB_PCI_REG_REVISION 0x08
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#define GRUB_PCI_REG_CLASS 0x08
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#define GRUB_PCI_REG_CACHELINE 0x0c
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#define GRUB_PCI_REG_LAT_TIMER 0x0d
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#define GRUB_PCI_REG_HEADER_TYPE 0x0e
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#define GRUB_PCI_REG_BIST 0x0f
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#define GRUB_PCI_REG_ADDRESSES 0x10
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/* Beware that 64-bit address takes 2 registers. */
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#define GRUB_PCI_REG_ADDRESS_REG0 0x10
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#define GRUB_PCI_REG_ADDRESS_REG1 0x14
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#define GRUB_PCI_REG_ADDRESS_REG2 0x18
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#define GRUB_PCI_REG_ADDRESS_REG3 0x1c
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#define GRUB_PCI_REG_ADDRESS_REG4 0x20
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#define GRUB_PCI_REG_ADDRESS_REG5 0x24
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#define GRUB_PCI_REG_CIS_POINTER 0x28
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#define GRUB_PCI_REG_SUBVENDOR 0x2c
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#define GRUB_PCI_REG_SUBSYSTEM 0x2e
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#define GRUB_PCI_REG_ROM_ADDRESS 0x30
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#define GRUB_PCI_REG_CAP_POINTER 0x34
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#define GRUB_PCI_REG_IRQ_LINE 0x3c
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#define GRUB_PCI_REG_IRQ_PIN 0x3d
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#define GRUB_PCI_REG_MIN_GNT 0x3e
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#define GRUB_PCI_REG_MAX_LAT 0x3f
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#define GRUB_PCI_COMMAND_IO_ENABLED 0x0001
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#define GRUB_PCI_COMMAND_MEM_ENABLED 0x0002
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#define GRUB_PCI_COMMAND_BUS_MASTER 0x0004
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#define GRUB_PCI_COMMAND_PARITY_ERROR 0x0040
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#define GRUB_PCI_COMMAND_SERR_ENABLE 0x0100
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#define GRUB_PCI_STATUS_CAPABILITIES 0x0010
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#define GRUB_PCI_STATUS_66MHZ_CAPABLE 0x0020
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#define GRUB_PCI_STATUS_FAST_B2B_CAPABLE 0x0080
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#define GRUB_PCI_STATUS_DEVSEL_TIMING_SHIFT 9
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#define GRUB_PCI_STATUS_DEVSEL_TIMING_MASK 0x0600
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#define GRUB_PCI_CLASS_SUBCLASS_VGA 0x0300
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#define GRUB_PCI_CLASS_SUBCLASS_USB 0x0c03
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#ifndef ASM_FILE
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enum
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{
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GRUB_PCI_CLASS_NETWORK = 0x02
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};
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enum
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{
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GRUB_PCI_CAP_POWER_MANAGEMENT = 0x01
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};
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enum
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{
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GRUB_PCI_VENDOR_BROADCOM = 0x14e4
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};
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typedef grub_uint32_t grub_pci_id_t;
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#ifdef GRUB_MACHINE_EMU
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#include <grub/pciutils.h>
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#else
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typedef grub_uint32_t grub_pci_address_t;
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struct grub_pci_device
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{
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int bus;
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int device;
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int function;
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};
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typedef struct grub_pci_device grub_pci_device_t;
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static inline int
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grub_pci_get_bus (grub_pci_device_t dev)
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{
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return dev.bus;
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}
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static inline int
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grub_pci_get_device (grub_pci_device_t dev)
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{
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return dev.device;
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}
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static inline int
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grub_pci_get_function (grub_pci_device_t dev)
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{
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return dev.function;
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}
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#include <grub/cpu/pci.h>
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#endif
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typedef int (*grub_pci_iteratefunc_t)
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(grub_pci_device_t dev, grub_pci_id_t pciid, void *data);
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grub_pci_address_t EXPORT_FUNC(grub_pci_make_address) (grub_pci_device_t dev,
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int reg);
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void EXPORT_FUNC(grub_pci_iterate) (grub_pci_iteratefunc_t hook,
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void *hook_data);
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struct grub_pci_dma_chunk;
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struct grub_pci_dma_chunk *EXPORT_FUNC(grub_memalign_dma32) (grub_size_t align,
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grub_size_t size);
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void EXPORT_FUNC(grub_dma_free) (struct grub_pci_dma_chunk *ch);
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volatile void *EXPORT_FUNC(grub_dma_get_virt) (struct grub_pci_dma_chunk *ch);
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grub_uint32_t EXPORT_FUNC(grub_dma_get_phys) (struct grub_pci_dma_chunk *ch);
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static inline void *
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grub_dma_phys2virt (grub_uint32_t phys, struct grub_pci_dma_chunk *chunk)
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{
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return ((grub_uint8_t *) grub_dma_get_virt (chunk)
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+ (phys - grub_dma_get_phys (chunk)));
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}
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static inline grub_uint32_t
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grub_dma_virt2phys (volatile void *virt, struct grub_pci_dma_chunk *chunk)
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{
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return (((grub_uint8_t *) virt - (grub_uint8_t *) grub_dma_get_virt (chunk))
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+ grub_dma_get_phys (chunk));
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}
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grub_uint8_t
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EXPORT_FUNC (grub_pci_find_capability) (grub_pci_device_t dev, grub_uint8_t cap);
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#endif
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#endif /* GRUB_PCI_H */
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