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driver now enforces correct order of use of INIT_ACCELERANT and CLONE_ACCELERANT: bailing out with B_NOT_ALLOWED if incorrect use is detected.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16027 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2006-01-21 17:05:26 +00:00
parent 444e9a147b
commit 6e6488d678
1 changed files with 5 additions and 2 deletions
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headers/private/graphics/matrox/DriverInterface.h
+5 -2
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@@ -94,9 +94,9 @@ typedef struct settings { // apsed, see comments in mga.settings
bool greensync; bool greensync;
} settings; } settings;
/*shared info*/ /* shared info */
typedef struct { typedef struct {
/*a few ID things*/ /* a few ID things */
uint16 vendor_id; /* PCI vendor ID, from pci_info */ uint16 vendor_id; /* PCI vendor ID, from pci_info */
uint16 device_id; /* PCI device ID, from pci_info */ uint16 device_id; /* PCI device ID, from pci_info */
uint8 revision; /* PCI device revsion, from pci_info */ uint8 revision; /* PCI device revsion, from pci_info */
@@ -104,6 +104,9 @@ typedef struct {
uint8 device; /* PCI device number on bus, from pci_info */ uint8 device; /* PCI device number on bus, from pci_info */
uint8 function; /* PCI function number in device, from pci_info */ uint8 function; /* PCI function number in device, from pci_info */
/* used to return status for INIT_ACCELERANT and CLONE_ACCELERANT */
bool accelerant_in_use;
/* bug workaround for 4.5.0 */ /* bug workaround for 4.5.0 */
uint32 use_clone_bugfix; /*for 4.5.0, cloning of physical memory does not work*/ uint32 use_clone_bugfix; /*for 4.5.0, cloning of physical memory does not work*/
uint32 * clone_bugfix_regs; uint32 * clone_bugfix_regs;