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Diffstat (limited to 'drivers/gpu/drm/emgd/emgd/oal/src/pci.c')
-rw-r--r--drivers/gpu/drm/emgd/emgd/oal/src/pci.c272
1 files changed, 0 insertions, 272 deletions
diff --git a/drivers/gpu/drm/emgd/emgd/oal/src/pci.c b/drivers/gpu/drm/emgd/emgd/oal/src/pci.c
deleted file mode 100644
index 4d650c675da0..000000000000
--- a/drivers/gpu/drm/emgd/emgd/oal/src/pci.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/* -*- pse-c -*-
- *-----------------------------------------------------------------------------
- * Filename: pci.c
- * $Revision: 1.5 $
- *-----------------------------------------------------------------------------
- * Copyright © 2002-2010, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- *-----------------------------------------------------------------------------
- * Description:
- * This file contains Linux kernel space PCI API for the OAL abstractions.
- *-----------------------------------------------------------------------------
- */
-
-#include <memory.h>
-#include <pci.h>
-#include <linux/pci.h>
-#include <io.h>
-
-#if defined(CONFIG_VGA_ARB)
-#include <linux/vgaarb.h>
-#endif
-
-
-//
-// This is our local representation of a PCI device.
-// This struct is private to this file, and exposed to calling functions
-// only through an opaque "os_pci_dev_t" handle.
-//
-typedef struct _linuxkernel_pci {
- struct pci_dev *dev;
- unsigned int bus;
- unsigned int slot;
- unsigned int func;
-}linuxkernel_pci_t;
-
-/*----------------------------------------------------------------------
- * Function:
- *pci_find_device_generic
- * Parameters:
- *unsigned short vendor,
- *unsigned short device,
- *os_pci_dev_t os_pci_dev
- * Description:
- *This function finds a PCI device by going through 255 buses, 32 devices
- *and 8 functions and tries to match each ones vendor and device ids with
- *the ones given to it as parameters. Stops for the first device it finds
- *with a matching vendor and device, so it will not find multiple devices.
- *This is _NOT_ an exported OAL
- *function.
- * Returns:
- *os_pci_dev_t
- *---------------------------------------------------------------------
- */
-static os_pci_dev_t pci_find_device_generic(
- unsigned short vendor_id,
- unsigned short device_id,
- os_pci_dev_t pci_dev_handle
- )
-{
- struct pci_dev *our_device; // Kernel struct for a PCI device
- linuxkernel_pci_t *pdev; // Our struct for a PCI device.
-
- // Locate the device, and lock it. Start search at the start of the list.
- our_device = pci_get_device(vendor_id, device_id, NULL);
- // If we didn't find it, return an error.
- if (!our_device){
- return (os_pci_dev_t)NULL;
- }
-
- // Get the pointer to the destination for the data.
- // pci_dev_handle is an opaque pointer to a linuxkernel_pci_t struct
- // If there isn't one, allocate it.
- pdev = (linuxkernel_pci_t *)pci_dev_handle;
- if(!pdev) {
-
- // Caller did not supply a handle to a PCI device struct.
- // Allocate one.
- pdev = (linuxkernel_pci_t *)OS_ALLOC(sizeof(linuxkernel_pci_t));
- if(!pdev) {
- return (os_pci_dev_t)NULL;
- }
- // Zero the destination memory
- memset(pdev, 0, sizeof(linuxkernel_pci_t));
- }
-
- // Copy over from the kernel struct to our struct.
- // It is safe to copy a pointer to the pci_dev, since we
- // have a lock on it.
- pdev->dev = our_device;
- pdev->bus = our_device->bus->number;
- pdev->slot = PCI_SLOT(our_device->devfn);
- pdev->func = PCI_FUNC(our_device->devfn);
-
- return (os_pci_dev_t)pdev;
-}
-
-
-/*----------------------------------------------------------------------
- * Function:
- *os_pci_find_device
- *
- * Parameters:
- *unsigned short vendor,
- *unsigned short device,
- *unsigned short bus,
- *unsigned short dev,
- *unsigned short func,
- *os_pci_dev_t os_pci_dev
- *
- * Description:
- * This function finds a PCI device by scanning the specified bus, dev, func
- *and tries to match vendor and device ids with the ones given to it as
- *parameters.
- *
- * Notes: If the bus number is 0xFFFF, then the function searches for that
- * vendor_id, device_id pair in the whole PCI topology of the system i.e
- * it goes through all the buses, devices, functions in the system
- *
- * Returns:
- *os_pci_dev_t
- *---------------------------------------------------------------------
- */
-os_pci_dev_t os_pci_find_device(
- unsigned short vendor_id,
- unsigned short device_id,
- unsigned short bus,
- unsigned short dev,
- unsigned short func,
- os_pci_dev_t pci_dev)
-{
- /* TODO: Right now, Just fallback to pci_find_device_generic
- * But we need to implement this
- */
- return pci_find_device_generic(vendor_id, device_id, pci_dev);
-}
-
-int os_pci_get_slot_address(
- os_pci_dev_t pci_dev,
- unsigned int *bus,
- unsigned int *slot,
- unsigned int *func)
-{
-
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
- EMGD_ASSERT(pdev, "Invalid pci device", 0);
-
- if(bus) {
- *bus = pdev->bus;
- }
- if(slot) {
- *slot = pdev->slot;
- }
- if(func) {
- *func = pdev->func;
- }
- return 0;
-}
-
-int os_pci_read_config_8(
- os_pci_dev_t pci_dev,
- unsigned long offset,
- unsigned char* val
- )
-{
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
- EMGD_ASSERT(pdev, "Invalid pci device", 0);
- EMGD_ASSERT(val, "Invalid pointer", 0);
- return pci_read_config_byte(pdev->dev, offset, val);
-}
-
-int os_pci_read_config_16(
- os_pci_dev_t pci_dev,
- unsigned long offset,
- unsigned short* val
- )
-{
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
- EMGD_ASSERT(pdev, "Invalid pci device", 0);
- EMGD_ASSERT(val, "Invalid pointer", 0);
- return pci_read_config_word(pdev->dev, offset,val);
-}
-
-int os_pci_read_config_32(
- os_pci_dev_t pci_dev,
- unsigned long offset,
- unsigned long* val
- )
-{
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
- EMGD_ASSERT(pdev, "Invalid pci device", 0);
- EMGD_ASSERT(val, "Invalid pointer", 0);
- return pci_read_config_dword(pdev->dev, offset, (u32*)val);
-}
-
-int os_pci_write_config_8(
- os_pci_dev_t pci_dev,
- unsigned long offset,
- unsigned char val
- )
-{
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
- EMGD_ASSERT(pdev, "Invalid pci device", 0);
- return pci_write_config_byte(pdev->dev, offset, val);
-}
-
-int os_pci_write_config_16(
- os_pci_dev_t pci_dev,
- unsigned long offset,
- unsigned short val
- )
-{
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
- EMGD_ASSERT(pdev, "Invalid pci device", 0);
- return pci_write_config_word(pdev->dev, offset, val);
-}
-
-int os_pci_write_config_32(
- os_pci_dev_t pci_dev,
- unsigned long offset,
- unsigned long val
- )
-{
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
- EMGD_ASSERT(pdev, "Invalid pci device", 0);
- return pci_write_config_dword(pdev->dev, offset, val);
-}
-
-int os_pci_disable_legacy_vga_decoding(
- os_pci_dev_t pci_dev
- )
-{
-#if defined(CONFIG_VGA_ARB)
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
- EMGD_ASSERT(pdev, "Invalid pci device", 0);
-
- vga_set_legacy_decoding(pdev->dev, VGA_RSRC_NONE);
-#else
- /* Noop if the VGA arbiter isn't compiled into the kernel */
-#endif
-
- return 0;
-}
-
-
-void os_pci_free_device(
- os_pci_dev_t pci_dev
- )
-{
- linuxkernel_pci_t *pdev = (linuxkernel_pci_t *)pci_dev;
-
- // Release the lock on our PCI device struct
- pci_dev_put(pdev->dev);
-
- // Free our local structure.
- OS_FREE(pdev);
-
- return;
-}
-
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