ehmry/genode
ehmry
/
genode
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

libegl: remove i915 gallium support

This commit is contained in:
Alexander Boettcher 2015-06-17 11:47:02 +02:00 committed by Christian Helmuth
parent 3d7b865251
commit 32e792dc74
1 changed files with 1 additions and 101 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
repos/libports/src/lib/egl/select_driver.cc
View File

@ -11,112 +11,12 @@
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <pci_session/connection.h>
#include <pci_device/client.h>
/* local includes */
#include "select_driver.h"
class Gpu_detector
{
private:
const char *_driver_name;
protected:
/**
* Constructor
*
* \param driver_name name of Gallium3D driver
*/
Gpu_detector(const char *driver_name) : _driver_name(driver_name) { }
public:
/**
* Return true if specified device and vendor IDs match the GPU
*/
virtual bool detect(unsigned short vendor_id, unsigned short device_id) = 0;
/**
* Return name of Gallium3D driver
*/
const char *driver_name() { return _driver_name; }
};
class I915_gpu_detector : public Gpu_detector
{
public:
I915_gpu_detector() : Gpu_detector("gallium-i915.lib.so") { }
/****************************
** GPU detector interface **
****************************/
bool detect(unsigned short vendor_id, unsigned short device_id)
{
if (vendor_id != 0x8086) return false;
/*
* Supported PCI device IDs according to 'gallium/drivers/i915/i915_reg.h'
* and 'gallium/drivers/i915/i915_screen.c'.
*/
unsigned short supported_device_ids[] = {
0x2582, /* I915_G */
0x2592, /* I915_GM */
0x2772, /* I945_G */
0x27A2, /* I945_GM */
0x27AE, /* I945_GME */
0x29C2, /* G33_G */
0x29B2, /* Q35_G */
0x29D2, /* Q33_G */
0
};
for (unsigned i = 0; supported_device_ids[i]; i++)
if (device_id == supported_device_ids[i])
return true;
return false;
}
};
const char *probe_gpu_and_select_driver()
{
const char *result = 0;
try {
I915_gpu_detector i915_detector;
Pci::Connection pci;
/*
* Iterate through the available PCI devices and present each to the
* GPU detector(s).
*/
Pci::Device_capability cap = pci.first_device();
while (cap.valid()) {
Pci::Device_capability next_cap = pci.next_device(cap);
unsigned short vendor_id = Pci::Device_client(cap).vendor_id(),
device_id = Pci::Device_client(cap).device_id();
if (i915_detector.detect(vendor_id, device_id))
result = i915_detector.driver_name();
pci.release_device(cap);
cap = next_cap;
}
}
/* catch exception if no PCI service is available */
catch (Genode::Parent::Service_denied) { }
/* no support, currently we have no driver available */
return result;
}