fish

1 files changed, 137 insertions, 0 deletions

diff --git a/include/grub/pci.h b/include/grub/pci.h
new file mode 100644
index 0000000..f34e3d9
--- /dev/null
+++ b/include/grub/pci.h
@@ -0,0 +1,137 @@
+/*
+ *  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
+
+#ifndef ASM_FILE
+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 NESTED_FUNC_ATTR (*grub_pci_iteratefunc_t)
+     (grub_pci_device_t dev, grub_pci_id_t pciid);
+
+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);
+
+struct grub_pci_dma_chunk;
+
+struct grub_pci_dma_chunk *EXPORT_FUNC(grub_memalign_dma32) (grub_size_t align,
+							     grub_size_t size);
+void EXPORT_FUNC(grub_dma_free) (struct grub_pci_dma_chunk *ch);
+volatile void *EXPORT_FUNC(grub_dma_get_virt) (struct grub_pci_dma_chunk *ch);
+grub_uint32_t EXPORT_FUNC(grub_dma_get_phys) (struct grub_pci_dma_chunk *ch);
+
+#endif
+
+#endif /* GRUB_PCI_H */