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 */

/*

 *

 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.

 * All Rights Reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the

 * "Software"), to deal in the Software without restriction, including

 * without limitation the rights to use, copy, modify, merge, publish,

 * distribute, sub license, and/or sell copies of the Software, and to

 * permit persons to whom the Software is furnished to do so, subject to

 * the following conditions:

 *

 * The above copyright notice and this permission notice (including the

 * next paragraph) shall be included in all copies or substantial portions

 * of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR

 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 *

 */

#include "drmP.h"

#include "drm.h"

#include "i915_drm.h"

#include "i915_drv.h"

#include "intel_drv.h"

#include 

#include 

#include 

#include 

    .class = PCI_CLASS_DISPLAY_VGA << 8,    \

    .class_mask = 0xff0000,                 \

    .vendor = 0x8086,                       \

    .device = id,                           \

    .subvendor = PCI_ANY_ID,                \

    .subdevice = PCI_ANY_ID,                \

    .driver_data = (unsigned long) info }

    .gen = 6,

	.need_gfx_hws = 1, .has_hotplug = 1,

    .has_bsd_ring = 1,

    .has_blt_ring = 1,

};

	.gen = 6, .is_mobile = 1,

	.need_gfx_hws = 1, .has_hotplug = 1,

    .has_fbc      = 1,

    .has_bsd_ring = 1,

    .has_blt_ring = 1,

};

    INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info),

    INTEL_VGA_DEVICE(0x0112, &intel_sandybridge_d_info),

    INTEL_VGA_DEVICE(0x0122, &intel_sandybridge_d_info),

    INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info),

    INTEL_VGA_DEVICE(0x0116, &intel_sandybridge_m_info),

    INTEL_VGA_DEVICE(0x0126, &intel_sandybridge_m_info),

    INTEL_VGA_DEVICE(0x010A, &intel_sandybridge_d_info),

    {0, 0, 0}

};

#define INTEL_PCH_IBX_DEVICE_ID_TYPE    0x3b00

#define INTEL_PCH_CPT_DEVICE_ID_TYPE    0x1c00

#define INTEL_PCH_PPT_DEVICE_ID_TYPE    0x1e00

{

    struct drm_i915_private *dev_priv = dev->dev_private;

    struct pci_dev *pch;

     * The reason to probe ISA bridge instead of Dev31:Fun0 is to

     * make graphics device passthrough work easy for VMM, that only

     * need to expose ISA bridge to let driver know the real hardware

     * underneath. This is a requirement from virtualization team.

     */

    pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL);

    if (pch) {

        if (pch->vendor == PCI_VENDOR_ID_INTEL) {

            int id;

            id = pch->device & INTEL_PCH_DEVICE_ID_MASK;

                dev_priv->pch_type = PCH_IBX;

                DRM_DEBUG_KMS("Found Ibex Peak PCH\n");

            } else if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {

                dev_priv->pch_type = PCH_CPT;

                DRM_DEBUG_KMS("Found CougarPoint PCH\n");

            } else if (id == INTEL_PCH_PPT_DEVICE_ID_TYPE) {

                /* PantherPoint is CPT compatible */

                dev_priv->pch_type = PCH_CPT;

                DRM_DEBUG_KMS("Found PatherPoint PCH\n");

            }

        }

    }

}

{

    int count;

    while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1))

        udelay(10);

    POSTING_READ(FORCEWAKE);

    while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1) == 0)

        udelay(10);

}

 * Generally this is called implicitly by the register read function. However,

 * if some sequence requires the GT to not power down then this function should

 * be called at the beginning of the sequence followed by a call to

 * gen6_gt_force_wake_put() at the end of the sequence.

 */

void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)

{

//    WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));

    if (atomic_add_return(1, &dev_priv->forcewake_count) == 1)

        __gen6_gt_force_wake_get(dev_priv);

}

{

    I915_WRITE_NOTRACE(FORCEWAKE, 0);

    POSTING_READ(FORCEWAKE);

}

 * see gen6_gt_force_wake_get()

 */

void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)

{

//    WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));

        __gen6_gt_force_wake_put(dev_priv);

}

{

    if (dev_priv->gt_fifo_count < GT_FIFO_NUM_RESERVED_ENTRIES ) {

        int loop = 500;

        u32 fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);

        while (fifo <= GT_FIFO_NUM_RESERVED_ENTRIES && loop--) {

            udelay(10);

            fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);

        }

//        WARN_ON(loop < 0 && fifo <= GT_FIFO_NUM_RESERVED_ENTRIES);

        dev_priv->gt_fifo_count = fifo;

    }

    dev_priv->gt_fifo_count--;

}

{

    static pci_dev_t device;

    const struct pci_device_id  *ent;

    int  err;

    {

        DRM_ERROR("drm/i915 can't work without intel_agp module!\n");

        return 0;

    };

    {

        dbgprintf("device not found\n");

        return 0;

    };

                                device.pci_dev.device);

}

{

    static struct drm_device *dev;

    int ret;

    if (!dev)

        return -ENOMEM;

 //   if (ret)

 //       goto err_g1;

 //       printk(KERN_ERR "DRM: Fill_in_dev failed.\n");

 //       goto err_g2;

 //   }

    dev->pci_device = pdev->device;

    dev->pci_vendor = pdev->vendor;

    INIT_LIST_HEAD(&dev->ctxlist);

    INIT_LIST_HEAD(&dev->vmalist);

    INIT_LIST_HEAD(&dev->maplist);

    mutex_init(&dev->struct_mutex);

    mutex_init(&dev->ctxlist_mutex);

//    if (ret)

//        goto err_g4;

//        init_display_kms(dev->dev_private, &usermode);

//    else

//        init_display(dev->dev_private, &usermode);

//    drm_put_minor(&dev->primary);

//err_g3:

//    if (drm_core_check_feature(dev, DRIVER_MODESET))

//        drm_put_minor(&dev->control);

//err_g2:

//    pci_disable_device(pdev);

//err_g1:

    free(dev);

}