int PVRDebugProcSetLevel(struct file *file, const char *buffer, u32 count,
void *data)
{
#define _PROC_SET_BUFFER_SZ 2
char data_buffer[_PROC_SET_BUFFER_SZ];
if (count != _PROC_SET_BUFFER_SZ) {
return -EINVAL;
} else {
if (copy_from_user(data_buffer, buffer, count))
return -EINVAL;
if (data_buffer[count - 1] != '\n')
return -EINVAL;
PVRDebugSetLevel(data_buffer[0] - '0');
}
return (count);
}
IMG_INT PVRDebugProcSetLevel(struct file *file, const IMG_CHAR *buffer, IMG_UINT32 count, IMG_VOID *data)
{
#define _PROC_SET_BUFFER_SZ 2
IMG_CHAR data_buffer[_PROC_SET_BUFFER_SZ];
if (count != _PROC_SET_BUFFER_SZ)
{
return -EINVAL;
}
else
{
if (copy_from_user(data_buffer, buffer, count))
return -EINVAL;
if (data_buffer[count - 1] != '\n')
return -EINVAL;
PVRDebugSetLevel(data_buffer[0] - '0');
}
return (count);
}
static int __init PVRCore_Init(void)
{
int error;
PVR_TRACE("PVRCore_Init");
AssignedMajorNumber = register_chrdev(0, DEVNAME, &pvrsrv_fops);
if (AssignedMajorNumber <= 0) {
PVR_DPF(PVR_DBG_ERROR,
"PVRCore_Init: unable to get major number");
return -EBUSY;
}
PVR_TRACE("PVRCore_Init: major device %d", AssignedMajorNumber);
if (CreateProcEntries()) {
unregister_chrdev(AssignedMajorNumber, DRVNAME);
return -ENOMEM;
}
LinuxInitMutex(&gPVRSRVLock);
#ifdef DEBUG
PVRDebugSetLevel(debug);
#endif
if (LinuxMMInit() != PVRSRV_OK) {
error = -ENOMEM;
goto init_failed;
}
LinuxBridgeInit();
PVRMMapInit();
error = platform_driver_register(&powervr_driver);
if (error != 0) {
PVR_DPF(PVR_DBG_ERROR, "PVRCore_Init: "
"unable to register platform driver (%d)", error);
goto init_failed;
}
powervr_device.dev.devt = MKDEV(AssignedMajorNumber, 0);
error = platform_device_register(&powervr_device);
if (error != 0) {
platform_driver_unregister(&powervr_driver);
PVR_DPF(PVR_DBG_ERROR, "PVRCore_Init: "
"unable to register platform device (%d)", error);
goto init_failed;
}
return 0;
init_failed:
PVRMMapCleanup();
LinuxMMCleanup();
RemoveProcEntries();
unregister_chrdev(AssignedMajorNumber, DRVNAME);
return error;
}