static int drv_init(void)
#endif
{
    int ret;
    int result = -EINVAL;
    gceSTATUS status;
    gckGALDEVICE device = gcvNULL;
    struct class* device_class = gcvNULL;

    gcsDEVICE_CONSTRUCT_ARGS args = {
        .recovery  = recovery,
        .stuckDump = stuckDump,
    };

    gcmkHEADER();

#if ENABLE_GPU_CLOCK_BY_DRIVER && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
    {
        struct clk * clk;

        clk = clk_get(NULL, "GCCLK");

        if (IS_ERR(clk))
        {
            gcmkTRACE_ZONE(
                gcvLEVEL_ERROR, gcvZONE_DRIVER,
                "%s(%d): clk get error: %d\n",
                __FUNCTION__, __LINE__,
                PTR_ERR(clk)
                );

            result = -ENODEV;
            gcmkONERROR(gcvSTATUS_GENERIC_IO);
        }

        /*
         * APMU_GC_156M, APMU_GC_312M, APMU_GC_PLL2, APMU_GC_PLL2_DIV2 currently.
         * Use the 2X clock.
         */
        if (clk_set_rate(clk, coreClock * 2))
        {
            gcmkTRACE_ZONE(
                gcvLEVEL_ERROR, gcvZONE_DRIVER,
                "%s(%d): Failed to set core clock.\n",
                __FUNCTION__, __LINE__
                );

            result = -EAGAIN;
            gcmkONERROR(gcvSTATUS_GENERIC_IO);
        }

        clk_enable(clk);

#if defined(CONFIG_PXA_DVFM) && (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,29))
        gc_pwr(1);
#   endif
    }
#endif

    printk(KERN_INFO "Galcore version %d.%d.%d.%d\n",
        gcvVERSION_MAJOR, gcvVERSION_MINOR, gcvVERSION_PATCH, gcvVERSION_BUILD);
    /* when enable gpu profiler, we need to turn off gpu powerMangement */
    if(gpuProfiler)
        powerManagement = 0;
    if (showArgs)
    {
        gckOS_DumpParam();
    }

    if(logFileSize != 0)
    {
        gckDEBUGFS_Initialize();
    }

    /* Create the GAL device. */
    status = gckGALDEVICE_Construct(
#if gcdMULTI_GPU || gcdMULTI_GPU_AFFINITY
        irqLine3D0,
        registerMemBase3D0, registerMemSize3D0,
        irqLine3D1,
        registerMemBase3D1, registerMemSize3D1,
#else
        irqLine,
        registerMemBase, registerMemSize,
#endif
        irqLine2D,
        registerMemBase2D, registerMemSize2D,
        irqLineVG,
        registerMemBaseVG, registerMemSizeVG,
        contiguousBase, contiguousSize,
        bankSize, fastClear, compression, baseAddress, physSize, signal,
        logFileSize,
        powerManagement,
        gpuProfiler,
        &args,
        &device
    );

    if (gcmIS_ERROR(status))
    {
        gcmkTRACE_ZONE(gcvLEVEL_ERROR, gcvZONE_DRIVER,
                       "%s(%d): Failed to create the GAL device: status=%d\n",
                       __FUNCTION__, __LINE__, status);

        goto OnError;
    }

    /* Start the GAL device. */
    gcmkONERROR(gckGALDEVICE_Start(device));

    if ((physSize != 0)
       && (device->kernels[gcvCORE_MAJOR] != gcvNULL)
       && (device->kernels[gcvCORE_MAJOR]->hardware->mmuVersion != 0))
    {
#if !gcdSECURITY
        status = gckMMU_Enable(device->kernels[gcvCORE_MAJOR]->mmu, baseAddress, physSize);
        gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DRIVER,
            "Enable new MMU: status=%d\n", status);

#if gcdMULTI_GPU_AFFINITY
        status = gckMMU_Enable(device->kernels[gcvCORE_OCL]->mmu, baseAddress, physSize);
        gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DRIVER,
            "Enable new MMU: status=%d\n", status);
#endif

        if ((device->kernels[gcvCORE_2D] != gcvNULL)
            && (device->kernels[gcvCORE_2D]->hardware->mmuVersion != 0))
        {
            status = gckMMU_Enable(device->kernels[gcvCORE_2D]->mmu, baseAddress, physSize);
            gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DRIVER,
                "Enable new MMU for 2D: status=%d\n", status);
        }
#endif

        /* Reset the base address */
        device->baseAddress = 0;
    }

    /* Register the character device. */
    ret = register_chrdev(major, DEVICE_NAME, &driver_fops);

    if (ret < 0)
    {
        gcmkTRACE_ZONE(
            gcvLEVEL_ERROR, gcvZONE_DRIVER,
            "%s(%d): Could not allocate major number for mmap.\n",
            __FUNCTION__, __LINE__
            );

        gcmkONERROR(gcvSTATUS_OUT_OF_MEMORY);
    }

    if (major == 0)
    {
        major = ret;
    }

    /* Create the device class. */
/*####modified for marvell-bg2*/
    device_class = class_create(THIS_MODULE, "graphics_3d_class");
/*####end for marvell-bg2*/

    if (IS_ERR(device_class))
    {
        gcmkTRACE_ZONE(
            gcvLEVEL_ERROR, gcvZONE_DRIVER,
            "%s(%d): Failed to create the class.\n",
            __FUNCTION__, __LINE__
            );

        gcmkONERROR(gcvSTATUS_OUT_OF_RESOURCES);
    }

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
    device_create(device_class, NULL, MKDEV(major, 0), NULL, DEVICE_NAME);
#else
    device_create(device_class, NULL, MKDEV(major, 0), DEVICE_NAME);
#endif

    galDevice = device;
    gpuClass  = device_class;

#if gcdMULTI_GPU || gcdMULTI_GPU_AFFINITY
    gcmkTRACE_ZONE(
        gcvLEVEL_INFO, gcvZONE_DRIVER,
        "%s(%d): irqLine3D0=%d, contiguousSize=%lu, memBase3D0=0x%lX\n",
        __FUNCTION__, __LINE__,
        irqLine3D0, contiguousSize, registerMemBase3D0
        );
#else
    gcmkTRACE_ZONE(
        gcvLEVEL_INFO, gcvZONE_DRIVER,
        "%s(%d): irqLine=%d, contiguousSize=%lu, memBase=0x%lX\n",
        __FUNCTION__, __LINE__,
        irqLine, contiguousSize, registerMemBase
        );
#endif

    /* Success. */
    gcmkFOOTER_NO();
    return 0;

OnError:
    /* Roll back. */
    if (device_class != gcvNULL)
    {
        device_destroy(device_class, MKDEV(major, 0));
        class_destroy(device_class);
    }

    if (device != gcvNULL)
    {
        gcmkVERIFY_OK(gckGALDEVICE_Stop(device));
        gcmkVERIFY_OK(gckGALDEVICE_Destroy(device));
    }

    gcmkFOOTER();
    return result;
}
Пример #2
0
static int drv_init(struct device *pdev)
#endif
{
    int ret;
    int result = -EINVAL;
    gceSTATUS status;
    gckGALDEVICE device = gcvNULL;
    struct class* device_class = gcvNULL;

    gcmkHEADER();

#if ENABLE_GPU_CLOCK_BY_DRIVER && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
    {
# if 0
        struct clk * clk;

        clk = clk_get(NULL, "GCCLK");

        if (IS_ERR(clk))
        {
            gcmkTRACE_ZONE(
                gcvLEVEL_ERROR, gcvZONE_DRIVER,
                "%s(%d): clk get error: %d\n",
                __FUNCTION__, __LINE__,
                PTR_ERR(clk)
                );

            result = -ENODEV;
            gcmkONERROR(gcvSTATUS_GENERIC_IO);
        }

        /*
         * APMU_GC_156M, APMU_GC_312M, APMU_GC_PLL2, APMU_GC_PLL2_DIV2 currently.
         * Use the 2X clock.
         */
        if (clk_set_rate(clk, coreClock * 2))
        {
            gcmkTRACE_ZONE(
                gcvLEVEL_ERROR, gcvZONE_DRIVER,
                "%s(%d): Failed to set core clock.\n",
                __FUNCTION__, __LINE__
                );

            result = -EAGAIN;
            gcmkONERROR(gcvSTATUS_GENERIC_IO);
        }

        clk_enable(clk);

#if defined(CONFIG_PXA_DVFM) && (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,29))
        gc_pwr(1);
#   endif
# endif
    }
#endif

    printk(KERN_INFO "Galcore version %d.%d.%d.%d\n",
        gcvVERSION_MAJOR, gcvVERSION_MINOR, gcvVERSION_PATCH, gcvVERSION_BUILD);
    /* when enable gpu profiler, we need to turn off gpu powerMangement */
    if(gpuProfiler)
        powerManagement = 0;
    if (showArgs)
    {
        printk("galcore options:\n");
        printk("  irqLine           = %d\n",      irqLine);
        printk("  registerMemBase   = 0x%08lX\n", registerMemBase);
        printk("  registerMemSize   = 0x%08lX\n", registerMemSize);

        if (irqLine2D != -1)
        {
            printk("  irqLine2D         = %d\n",      irqLine2D);
            printk("  registerMemBase2D = 0x%08lX\n", registerMemBase2D);
            printk("  registerMemSize2D = 0x%08lX\n", registerMemSize2D);
        }

        if (irqLineVG != -1)
        {
            printk("  irqLineVG         = %d\n",      irqLineVG);
            printk("  registerMemBaseVG = 0x%08lX\n", registerMemBaseVG);
            printk("  registerMemSizeVG = 0x%08lX\n", registerMemSizeVG);
        }

        printk("  contiguousSize    = %ld\n",     contiguousSize);
        printk("  contiguousBase    = 0x%08lX\n", contiguousBase);
        printk("  bankSize          = 0x%08lX\n", bankSize);
        printk("  fastClear         = %d\n",      fastClear);
        printk("  compression       = %d\n",      compression);
        printk("  signal            = %d\n",      signal);
        printk("  baseAddress       = 0x%08lX\n", baseAddress);
        printk("  physSize          = 0x%08lX\n", physSize);
        printk("  logFileSize       = %d KB \n",  logFileSize);
        printk("  powerManagement   = %d\n",      powerManagement);
        printk("  gpuProfiler   = %d\n",      gpuProfiler);
#if ENABLE_GPU_CLOCK_BY_DRIVER
        printk("  coreClock       = %lu\n",     coreClock);
#endif
    }

    if(logFileSize != 0)
    {
    	gckDebugFileSystemInitialize();
    }

    /* Create the GAL device. */
    gcmkONERROR(gckGALDEVICE_Construct(
        irqLine,
        registerMemBase, registerMemSize,
        irqLine2D,
        registerMemBase2D, registerMemSize2D,
        irqLineVG,
        registerMemBaseVG, registerMemSizeVG,
        contiguousBase, contiguousSize,
        bankSize, fastClear, compression, baseAddress, physSize, signal,
        logFileSize,
        pdev,
        powerManagement,
        gpuProfiler,
        &device
        ));

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)
	device->pool = dev_get_drvdata(pdev);
#endif

    /* Start the GAL device. */
    gcmkONERROR(gckGALDEVICE_Start(device));

    if ((physSize != 0)
       && (device->kernels[gcvCORE_MAJOR] != gcvNULL)
       && (device->kernels[gcvCORE_MAJOR]->hardware->mmuVersion != 0))
    {
        status = gckMMU_Enable(device->kernels[gcvCORE_MAJOR]->mmu, baseAddress, physSize);
        gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DRIVER,
            "Enable new MMU: status=%d\n", status);

        if ((device->kernels[gcvCORE_2D] != gcvNULL)
            && (device->kernels[gcvCORE_2D]->hardware->mmuVersion != 0))
        {
            status = gckMMU_Enable(device->kernels[gcvCORE_2D]->mmu, baseAddress, physSize);
            gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DRIVER,
                "Enable new MMU for 2D: status=%d\n", status);
        }

        /* Reset the base address */
        device->baseAddress = 0;
    }

#ifdef CONFIG_ANDROID_RESERVED_MEMORY_ACCOUNT
    task_free_register(&task_nb);
    viv_gpu_resmem_handler.data = device->kernels[gcvCORE_MAJOR];
    register_reserved_memory_account(&viv_gpu_resmem_handler);
#endif


    /* Register the character device. */
    ret = register_chrdev(major, DRV_NAME, &driver_fops);

    if (ret < 0)
    {
        gcmkTRACE_ZONE(
            gcvLEVEL_ERROR, gcvZONE_DRIVER,
            "%s(%d): Could not allocate major number for mmap.\n",
            __FUNCTION__, __LINE__
            );

        gcmkONERROR(gcvSTATUS_OUT_OF_MEMORY);
    }

    if (major == 0)
    {
        major = ret;
    }

    /* Create the device class. */
    device_class = class_create(THIS_MODULE, "graphics_class");

    if (IS_ERR(device_class))
    {
        gcmkTRACE_ZONE(
            gcvLEVEL_ERROR, gcvZONE_DRIVER,
            "%s(%d): Failed to create the class.\n",
            __FUNCTION__, __LINE__
            );

        gcmkONERROR(gcvSTATUS_OUT_OF_RESOURCES);
    }

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
    device_create(device_class, NULL, MKDEV(major, 0), NULL, "galcore");
#else
    device_create(device_class, NULL, MKDEV(major, 0), "galcore");
#endif

    galDevice = device;
    gpuClass  = device_class;

    gcmkTRACE_ZONE(
        gcvLEVEL_INFO, gcvZONE_DRIVER,
        "%s(%d): irqLine=%d, contiguousSize=%lu, memBase=0x%lX\n",
        __FUNCTION__, __LINE__,
        irqLine, contiguousSize, registerMemBase
        );

    /* Success. */
    gcmkFOOTER_NO();
    return 0;

OnError:
    /* Roll back. */
    if (device_class != gcvNULL)
    {
        device_destroy(device_class, MKDEV(major, 0));
        class_destroy(device_class);
    }

    if (device != gcvNULL)
    {
        gcmkVERIFY_OK(gckGALDEVICE_Stop(device));
        gcmkVERIFY_OK(gckGALDEVICE_Destroy(device));
    }

    gcmkFOOTER();
    return result;
}
Пример #3
0
static int drv_init(void)
#endif
{
    int ret;
    int result = -EINVAL;
    gceSTATUS status;
    gckGALDEVICE device = gcvNULL;
    struct class* device_class = gcvNULL;

    gcsDEVICE_CONSTRUCT_ARGS args = {
        .recovery           = recovery,
        .stuckDump          = stuckDump,
        .gpu3DMinClock      = gpu3DMinClock,
        .contiguousRequested = contiguousRequested,
        .platform           = &platform,
        .mmu                = mmu,
    };

    gcmkHEADER();

    printk(KERN_INFO "Galcore version %d.%d.%d.%d\n",
        gcvVERSION_MAJOR, gcvVERSION_MINOR, gcvVERSION_PATCH, gcvVERSION_BUILD);

#if !VIVANTE_PROFILER_PM
    /* when enable gpu profiler, we need to turn off gpu powerMangement */
    if (gpuProfiler)
    {
        powerManagement = 0;
    }
#endif

    if (showArgs)
    {
        gckOS_DumpParam();
    }

    if (logFileSize != 0)
    {
        gckDEBUGFS_Initialize();
    }

    /* Create the GAL device. */
    status = gckGALDEVICE_Construct(
#if gcdMULTI_GPU || gcdMULTI_GPU_AFFINITY
        irqLine3D0,
        registerMemBase3D0, registerMemSize3D0,
        irqLine3D1,
        registerMemBase3D1, registerMemSize3D1,
#else
        irqLine,
        registerMemBase, registerMemSize,
#endif
        irqLine2D,
        registerMemBase2D, registerMemSize2D,
        irqLineVG,
        registerMemBaseVG, registerMemSizeVG,
        contiguousBase, contiguousSize,
        bankSize, fastClear, compression, baseAddress, physSize, signal,
        logFileSize,
        powerManagement,
        gpuProfiler,
        &args,
        &device
    );

    if (gcmIS_ERROR(status))
    {
        gcmkTRACE_ZONE(gcvLEVEL_ERROR, gcvZONE_DRIVER,
                       "%s(%d): Failed to create the GAL device: status=%d\n",
                       __FUNCTION__, __LINE__, status);

        goto OnError;
    }

    /* Start the GAL device. */
    gcmkONERROR(gckGALDEVICE_Start(device));

    if ((physSize != 0)
       && (device->kernels[gcvCORE_MAJOR] != gcvNULL)
       && (device->kernels[gcvCORE_MAJOR]->hardware->mmuVersion != 0))
    {
        /* Reset the base address */
        device->baseAddress = 0;
    }

    /* Register the character device. */
    ret = register_chrdev(major, DEVICE_NAME, &driver_fops);

    if (ret < 0)
    {
        gcmkTRACE_ZONE(
            gcvLEVEL_ERROR, gcvZONE_DRIVER,
            "%s(%d): Could not allocate major number for mmap.\n",
            __FUNCTION__, __LINE__
            );

        gcmkONERROR(gcvSTATUS_OUT_OF_MEMORY);
    }

    if (major == 0)
    {
        major = ret;
    }

    /* Create the device class. */
    device_class = class_create(THIS_MODULE, "graphics_class");

    if (IS_ERR(device_class))
    {
        gcmkTRACE_ZONE(
            gcvLEVEL_ERROR, gcvZONE_DRIVER,
            "%s(%d): Failed to create the class.\n",
            __FUNCTION__, __LINE__
            );

        gcmkONERROR(gcvSTATUS_OUT_OF_RESOURCES);
    }

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
    device_create(device_class, NULL, MKDEV(major, 0), NULL, DEVICE_NAME);
#else
    device_create(device_class, NULL, MKDEV(major, 0), DEVICE_NAME);
#endif

    galDevice = device;
    gpuClass  = device_class;

#if gcdMULTI_GPU || gcdMULTI_GPU_AFFINITY
    gcmkTRACE_ZONE(
        gcvLEVEL_INFO, gcvZONE_DRIVER,
        "%s(%d): irqLine3D0=%d, contiguousSize=%lu, memBase3D0=0x%lX\n",
        __FUNCTION__, __LINE__,
        irqLine3D0, contiguousSize, registerMemBase3D0
        );
#else
    gcmkTRACE_ZONE(
        gcvLEVEL_INFO, gcvZONE_DRIVER,
        "%s(%d): irqLine=%d, contiguousSize=%lu, memBase=0x%lX\n",
        __FUNCTION__, __LINE__,
        irqLine, contiguousSize, registerMemBase
        );
#endif

    /* Success. */
    gcmkFOOTER_NO();
    return 0;

OnError:
    /* Roll back. */
    if (device_class != gcvNULL)
    {
        device_destroy(device_class, MKDEV(major, 0));
        class_destroy(device_class);
    }

    if (device != gcvNULL)
    {
        gcmkVERIFY_OK(gckGALDEVICE_Stop(device));
        gcmkVERIFY_OK(gckGALDEVICE_Destroy(device));
    }

    gcmkFOOTER();
    return result;
}
static int drv_init(void)
#endif
{
    int ret, i;
    int result = -EINVAL;
    gceSTATUS status = gcvSTATUS_OK;
    gckGALDEVICE device = gcvNULL;
    struct class* device_class = gcvNULL;

    gcmkHEADER();


#if ENABLE_GPU_CLOCK_BY_DRIVER && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
    gcmkONERROR(gckOS_GpuPowerEnable(gcvNULL, gcvCORE_MAJOR, gcvTRUE, gcvTRUE, coreClock*1000*1000));
#if MRVL_PLATFORM_PXA1088
    /* PXA1088: 2D power is shared with 3D */
    gcmkONERROR(gckOS_GpuPowerEnable(gcvNULL, gcvCORE_2D, gcvTRUE, gcvFALSE, coreClock*1000*1000));
#endif
#endif

#if MRVL_PLATFORM_NEVO
    if (cpu_is_pxa978_Dx())
    {
        baseAddress = 0x0;
    }
    else
    {
        baseAddress = 0x80000000;
    }
#endif

    if (showArgs)
    {
        printk("galcore options:\n");
        printk("  irqLine           = %d\n",      irqLine);
        printk("  registerMemBase   = 0x%08lX\n", registerMemBase);
        printk("  registerMemSize   = 0x%08lX\n", registerMemSize);

        if (irqLine2D != -1)
        {
            printk("  irqLine2D         = %d\n",      irqLine2D);
            printk("  registerMemBase2D = 0x%08lX\n", registerMemBase2D);
            printk("  registerMemSize2D = 0x%08lX\n", registerMemSize2D);
        }

        if (irqLineVG != -1)
        {
            printk("  irqLineVG         = %d\n",      irqLineVG);
            printk("  registerMemBaseVG = 0x%08lX\n", registerMemBaseVG);
            printk("  registerMemSizeVG = 0x%08lX\n", registerMemSizeVG);
        }

        printk("  contiguousSize    = %ld\n",     contiguousSize);
        printk("  contiguousBase    = 0x%08lX\n", contiguousBase);
        printk("  bankSize          = 0x%08lX\n", bankSize);
#if (MRVL_VIDEO_MEMORY_USE_TYPE != gcdMEM_TYPE_NONE)
        printk("  pmemSize          = %ld\n",     pmemSize);
#endif
        printk("  fastClear         = %d\n",      fastClear);
        printk("  compression       = %d\n",      compression);
        printk("  signal            = %d\n",      signal);
        printk("  baseAddress       = 0x%08lX\n", baseAddress);
        printk("  physSize          = 0x%08lX\n", physSize);
    printk(" logFileSize         = %d KB \n",     logFileSize);
#if ENABLE_GPU_CLOCK_BY_DRIVER
        printk("  coreClock       = %lu\n",     coreClock);
#endif
    }
    physSize = 0x80000000;
#ifndef CONFIG_CPU_PXA988
	pmemSize = 0x0;
#endif
    printk("  physSize modified to          = 0x%08lX\n", physSize);
    if(logFileSize != 0)
    {
        gckDebugFileSystemInitialize();
    }

    /* Create the GAL device. */
    gcmkONERROR(gckGALDEVICE_Construct(
        irqLine,
        registerMemBase, registerMemSize,
        irqLine2D,
        registerMemBase2D, registerMemSize2D,
        irqLineVG,
        registerMemBaseVG, registerMemSizeVG,
        contiguousBase, contiguousSize,
#if (MRVL_VIDEO_MEMORY_USE_TYPE != gcdMEM_TYPE_NONE)
        pmemSize,
#endif
        bankSize, fastClear, compression, baseAddress, physSize, signal,
        logFileSize,
        &device
        ));

    /* Start the GAL device. */
    gcmkONERROR(gckGALDEVICE_Start(device));

    if ((physSize != 0)
       && (device->kernels[gcvCORE_MAJOR] != gcvNULL)
       && (device->kernels[gcvCORE_MAJOR]->hardware->mmuVersion != 0))
    {
        status = gckMMU_Enable(device->kernels[gcvCORE_MAJOR]->mmu, mmuBaseAddress, physSize);
        //status = gckMMU_Enable(device->kernels[gcvCORE_MAJOR]->mmu, (gctUINT32)device->contiguousStart, contiguousSize);
        gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DRIVER,
            "Enable new MMU: status=%d\n", status);

        if ((device->kernels[gcvCORE_2D] != gcvNULL)
            && (device->kernels[gcvCORE_2D]->hardware->mmuVersion != 0))
        {
            status = gckMMU_Enable(device->kernels[gcvCORE_2D]->mmu, mmuBaseAddress, physSize);
            gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DRIVER,
                "Enable new MMU for 2D: status=%d\n", status);
        }

        /* Reset the base address */
        device->baseAddress = 0;
    }

    for (i = 0; i < gcdMAX_GPU_COUNT; i++)
    {
        if(device->kernels[i] != gcvNULL)
        {
            device->kernels[i]->bTryIdleGPUEnable = gcvTRUE;
        }
    }

    /* Register the character device. */
    ret = register_chrdev(major, DRV_NAME, &driver_fops);

    if (ret < 0)
    {
        gcmkTRACE_ZONE(
            gcvLEVEL_ERROR, gcvZONE_DRIVER,
            "%s(%d): Could not allocate major number for mmap.\n",
            __FUNCTION__, __LINE__
            );

        gcmkONERROR(gcvSTATUS_OUT_OF_MEMORY);
    }

    if (major == 0)
    {
        major = ret;
    }

    /* Create the device class. */
    device_class = class_create(THIS_MODULE, "graphics_class");

    if (IS_ERR(device_class))
    {
        gcmkTRACE_ZONE(
            gcvLEVEL_ERROR, gcvZONE_DRIVER,
            "%s(%d): Failed to create the class.\n",
            __FUNCTION__, __LINE__
            );

        gcmkONERROR(gcvSTATUS_OUT_OF_RESOURCES);
    }

    if (pdevice == gcvNULL)
        gcmkONERROR(gcvSTATUS_DEVICE);

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
    device_create(device_class, pdevice, MKDEV(major, 0), NULL, "galcore");
#else
    device_create(device_class, pdevice, MKDEV(major, 0), "galcore");
#endif

    galDevice = device;
    gpuClass  = device_class;

    gcmkTRACE_ZONE(
        gcvLEVEL_INFO, gcvZONE_DRIVER,
        "%s(%d): irqLine=%d, contiguousSize=%lu, memBase=0x%lX\n",
        __FUNCTION__, __LINE__,
        irqLine, contiguousSize, registerMemBase
        );

    /* Success. */
    gcmkFOOTER_NO();
    return 0;

OnError:
    /* Roll back. */
    if (device_class != gcvNULL)
    {
        device_destroy(device_class, MKDEV(major, 0));
        class_destroy(device_class);
    }

    if (device != gcvNULL)
    {
        gcmkVERIFY_OK(gckGALDEVICE_Stop(device));
        gcmkVERIFY_OK(gckGALDEVICE_Destroy(device));
    }

    gcmkFOOTER();
    return result;
}