diff options
Diffstat (limited to 'sys/include/dev/pci/pci.h')
-rw-r--r-- | sys/include/dev/pci/pci.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/sys/include/dev/pci/pci.h b/sys/include/dev/pci/pci.h deleted file mode 100644 index d6edf3b..0000000 --- a/sys/include/dev/pci/pci.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _DEV_PCI_H_ -#define _DEV_PCI_H_ - -#include <sys/syscall.h> -#include <sys/queue.h> -#include <sys/cdefs.h> -#include <dev/pci/pciregs.h> -#include <vm/vm.h> - -/* Lookup bits */ -#define PCI_DEVICE_ID __BIT(0) -#define PCI_VENDOR_ID __BIT(1) -#define PCI_CLASS __BIT(2) -#define PCI_SUBCLASS __BIT(3) - -/* Base address masks for BARs */ -#define PCI_BAR_MEMMASK ~7 -#define PCI_BAR_IOMASK ~3 - -/* Macros to fetch base address from BAR */ -#define PCI_BAR_MEMBASE(BAR) PHYS_TO_VIRT(BAR & PCI_BAR_MEMMASK) -#define PCI_BAR_IOBASE(BAR) PHYS_TO_VIRT(BAR & PCI_BAR_IOMASK) - -/* For PCI lookups */ -struct pci_lookup { - uint16_t device_id; - uint16_t vendor_id; - uint8_t pci_class; - uint8_t pci_subclass; -}; - -struct pci_device { - uint8_t bus; - uint8_t slot; - uint8_t func; - - uint16_t device_id; - uint16_t vendor_id; - uint8_t pci_class; - uint8_t pci_subclass; - uint8_t prog_if; - uintptr_t bar[6]; - uint8_t irq_line; - TAILQ_ENTRY(pci_device) link; -}; - -int pci_init(void); -uint32_t pci_readl(struct pci_device *dev, uint32_t offset); -uint32_t pci_bar_size(struct pci_device *dev, uint8_t bar); -void pci_writel(struct pci_device *dev, uint32_t offset, uint32_t val); -void pci_set_cmdreg(struct pci_device *dev, uint16_t bits); -struct pci_device *pci_get_device(struct pci_lookup lookup, uint16_t lookup_type); - -#endif /* !_DEV_PCI_H_ */ |