0,0 → 1,154 |
/* |
* Project: S.Ha.R.K. |
* |
* Coordinators: |
* Giorgio Buttazzo <giorgio@sssup.it> |
* Paolo Gai <pj@gandalf.sssup.it> |
* |
* Authors : |
* Mauro Marinoni <mauro.marinoni@unipv.it> |
* (see the web pages for full authors list) |
* |
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
* |
* http://www.sssup.it |
* http://retis.sssup.it |
* http://shark.sssup.it |
*/ |
|
/* |
* This program 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 2 of the License, or |
* (at your option) any later version. |
* |
* This program 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 this program; if not, write to the Free Software |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
*/ |
|
#include <linuxcomp.h> |
#include <linux/pci.h> |
|
//#define __DEBUG_20TO26__ |
|
void linuxpci_init(void) |
{ |
// PCI26_init MUST be called first ( TODO - Check ) |
} |
|
int pci20to26_find_class(unsigned int class_code, int index, BYTE *bus, BYTE *dev) |
{ |
struct pci_dev *ptmp = NULL; |
int curr = 0; |
|
ptmp = pci_find_class(class_code, ptmp); |
while (ptmp) { |
#ifdef __DEBUG_20TO26__ |
printk(KERN_DEBUG "pci20to26_find_class %x: found at bus %d, dev %d.\n", ptmp->class, ptmp->bus->number, ptmp->devfn); |
#endif |
|
if (curr == index) { |
*bus = ptmp->bus->number; |
*dev = ptmp->devfn; |
|
#ifdef __DEBUG_20TO26__ |
printk(KERN_DEBUG "pci20to26_find_class: found at bus %d, dev %d\n", *bus, *dev); |
#endif |
|
return PCIBIOS_SUCCESSFUL; |
} |
++curr; |
ptmp = pci_find_class(class_code, ptmp); |
} |
|
return PCIBIOS_DEVICE_NOT_FOUND; |
} |
|
int pcibios_present(void) |
{ |
return 1; // PCI26 initialized? ( TODO - Check ) |
} |
|
int pci20to26_read_config_byte(unsigned int bus, unsigned int dev, int where, u8 *val) |
{ |
struct pci_dev tmp; |
struct pci_dev *ptmp = &tmp; |
|
ptmp = pci_find_slot(bus, dev); |
pci_read_config_byte(ptmp, where, val); |
|
#ifdef __DEBUG_20TO26__ |
printk(KERN_DEBUG "pci20to26_read_config_byte: (bus %d, dev %d) -> %d\n", bus, dev, *val); |
#endif |
|
return 1; |
} |
|
int pci20to26_read_config_word(unsigned int bus, unsigned int dev, int where, u16 *val) |
{ |
struct pci_dev tmp; |
struct pci_dev *ptmp = &tmp; |
|
ptmp = pci_find_slot(bus, dev); |
pci_read_config_word(ptmp, where, val); |
|
#ifdef __DEBUG_20TO26__ |
printk(KERN_DEBUG "pci20to26_read_config_word: (bus %d, dev %d) -> %d\n", bus, dev, *val); |
#endif |
|
return 1; |
} |
|
int pci20to26_read_config_dword(unsigned int bus, unsigned int dev, int where, u32 *val) |
{ |
struct pci_dev tmp; |
struct pci_dev *ptmp = &tmp; |
|
ptmp = pci_find_slot(bus, dev); |
pci_read_config_dword(ptmp, where, val); |
|
#ifdef __DEBUG_20TO26__ |
printk(KERN_DEBUG "pci20to26_read_config_dword: (bus %d, dev %d) -> %uld\n", bus, dev, *val); |
#endif |
|
return 1; |
} |
|
int pci20to26_write_config_byte(unsigned int bus, unsigned int dev, int where, u8 val) |
{ |
struct pci_dev tmp; |
struct pci_dev *ptmp = &tmp; |
|
ptmp = pci_find_slot(bus, dev); |
pci_write_config_byte(ptmp, where, val); |
|
return 1; |
} |
|
int pci20to26_write_config_word(unsigned int bus, unsigned int dev, int where, u16 val) |
{ |
struct pci_dev tmp; |
struct pci_dev *ptmp = &tmp; |
|
ptmp = pci_find_slot(bus, dev); |
pci_write_config_word(ptmp, where, val); |
|
return 1; |
} |
|
int pci20to26_write_config_dword(unsigned int bus, unsigned int dev, int where, u32 val) |
{ |
struct pci_dev tmp; |
struct pci_dev *ptmp = &tmp; |
|
ptmp = pci_find_slot(bus, dev); |
pci_write_config_dword(ptmp, where, val); |
|
return 1; |
} |