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/*
* Copyright © 2009 Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 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.
*
* 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 HOLDER 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.
*/
FILE_LICENCE ( BSD2 );
#ifndef _GPXE_PCI_H
#define _GPXE_PCI_H
#include <grub/pci.h>
#include <gpxe/wrap.h>
#include <gpxe/timer.h>
static inline grub_uint8_t
inb (grub_uint16_t port)
{
return grub_inb (GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline void
outb (grub_uint8_t data, grub_uint16_t port)
{
return grub_outb (data, GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline void
outw (grub_uint16_t data, grub_uint16_t port)
{
return grub_outw (data, GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline grub_uint16_t
inw (grub_uint16_t port)
{
return grub_inw (GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline void
insw (grub_uint16_t port, grub_uint16_t *data, int count)
{
while (count--)
*data++ = grub_inw (GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline void
outsw (grub_uint16_t port, grub_uint16_t *data, int count)
{
while (count--)
grub_outw (*data++, GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline void
outsb (grub_uint16_t port, grub_uint8_t *data, int count)
{
while (count--)
grub_outb (*data++, GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline void
insb (grub_uint16_t port, grub_uint8_t *data, int count)
{
while (count--)
*data++ = grub_inb (GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline void
outl (grub_uint32_t data, grub_uint16_t port)
{
return grub_outw (data, GRUB_MACHINE_PCI_IO_BASE + port);
}
static inline grub_uint16_t
inl (grub_uint32_t port)
{
return grub_inw (GRUB_MACHINE_PCI_IO_BASE + port);
}
struct device_description
{
enum {BUS_TYPE_PCI, BUS_TYPE_ISA} bus_type;
int bus;
int location;
grub_uint16_t vendor;
grub_uint16_t device;
};
struct device
{
struct device_description desc;
char *name;
union
{
grub_pci_device_t pci_dev;
};
};
struct pci_device
{
struct device dev;
grub_uint16_t ioaddr;
grub_uint16_t vendor;
grub_uint16_t device;
int irq;
void *priv;
void *drvdata;
};
struct pci_device_id
{
grub_pci_id_t devid;
};
#define PCI_ROM(vendor, model, short_name, long_name, num) {.devid = ((vendor) | ((model) << 16))}
#define __pci_driver
struct nic;
struct pci_driver
{
struct pci_device_id *ids;
grub_size_t id_count;
int (*probe) (struct pci_device *pci, const struct pci_device_id *id);
void (*remove) (struct pci_device *pci);
void (*irq) (struct nic *nic, int action);
};
static inline void
pci_read_config_byte (struct pci_device *dev, grub_uint32_t reg,
grub_uint8_t *val)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev->dev.pci_dev, reg);
*val = grub_pci_read_byte (addr);
}
static inline void
pci_read_config_word (struct pci_device *dev, grub_uint32_t reg,
grub_uint16_t *val)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev->dev.pci_dev, reg);
*val = grub_pci_read_word (addr);
}
static inline void
pci_read_config_dword (struct pci_device *dev, grub_uint32_t reg,
grub_uint32_t *val)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev->dev.pci_dev, reg);
*val = grub_pci_read (addr);
}
static inline void
pci_write_config_byte (struct pci_device *dev, grub_uint32_t reg,
grub_uint8_t val)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev->dev.pci_dev, reg);
grub_pci_write_byte (addr, val);
}
static inline void
pci_write_config_word (struct pci_device *dev, grub_uint32_t reg,
grub_uint16_t val)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev->dev.pci_dev, reg);
grub_pci_write_word (addr, val);
}
static inline void
pci_write_config_dword (struct pci_device *dev, grub_uint32_t reg,
grub_uint32_t val)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev->dev.pci_dev, reg);
grub_pci_write (addr, val);
}
static inline void *
pci_get_drvdata (struct pci_device *dev)
{
return dev->drvdata;
}
static inline void
pci_set_drvdata (struct pci_device *dev, void *data)
{
dev->drvdata = data;
}
static inline grub_uint32_t
readl (volatile void *ptr)
{
return *(volatile grub_uint32_t *) ptr;
}
static inline void
writel (grub_uint32_t data, volatile void *ptr)
{
*(volatile grub_uint32_t *) ptr = data;
}
static inline grub_addr_t
pci_bar_start (struct pci_device *dev, grub_uint32_t reg)
{
grub_pci_address_t addr;
grub_uint64_t space;
addr = grub_pci_make_address (dev->dev.pci_dev, reg >> 2);
space = grub_pci_read (addr);
if ((space & GRUB_PCI_ADDR_SPACE_MASK) == GRUB_PCI_ADDR_SPACE_IO)
return space & GRUB_PCI_ADDR_IO_MASK;
if ((space & GRUB_PCI_ADDR_MEM_TYPE_MASK) == GRUB_PCI_ADDR_MEM_TYPE_64)
{
addr = grub_pci_make_address (dev->dev.pci_dev, (reg >> 2) + 1);
space |= ((grub_uint64_t) grub_pci_read (addr)) << 32;
}
return space & GRUB_PCI_ADDR_MEM_MASK;
}
/* XXX: make it use grub_pci_device_map_range. */
static inline void *
bus_to_virt (grub_uint32_t bus)
{
return (void *) bus;
}
static inline void *
ioremap (grub_uint32_t bus, grub_size_t size __attribute__ ((unused)))
{
return (void *) bus;
}
static inline grub_uint32_t
virt_to_bus (void *virt)
{
return (grub_addr_t) virt;
}
void
grub_gpxe_register_pci_nic (struct pci_driver *nic);
void
grub_gpxe_unregister_pci_nic (struct pci_driver *nic);
void adjust_pci_device ( struct pci_device *pci );
#define PCI_VENDOR_ID_DAVICOM 0x0291
#define PCI_VENDOR_ID_WINBOND2 0x1050
#define PCI_VENDOR_ID_COMPEX 0x11f6
#define PCI_COMMAND GRUB_PCI_REG_COMMAND
#define PCI_REVISION_ID GRUB_PCI_REG_REVISION
#define PCI_REVISION PCI_REVISION_ID
#define PCI_LATENCY_TIMER GRUB_PCI_REG_LAT_TIMER
#define PCI_BASE_ADDRESS_0 GRUB_PCI_REG_ADDRESS_REG0
#define PCI_BASE_ADDRESS_1 GRUB_PCI_REG_ADDRESS_REG1
#define PCI_COMMAND_IO 0x1
#define PCI_COMMAND_MEM 0x2
#define PCI_COMMAND_MASTER 0x4
#endif
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