87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* BEGIN CSTYLED */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Copyright (c) 2009, Intel Corporation.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * All Rights Reserved.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering *
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Permission is hereby granted, free of charge, to any person obtaining a
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * copy of this software and associated documentation files (the
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * "Software"), to deal in the Software without restriction, including
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * without limitation the rights to use, copy, modify, merge, publish,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * distribute, sub license, and/or sell copies of the Software, and to
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * permit persons to whom the Software is furnished to do so, subject to
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * the following conditions:
c53158818d8cdaf46b3f1b5299b9bda118a1043fThomas Hindoe Paaboel Andersen *
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * The above copyright notice and this permission notice (including the
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * next paragraph) shall be included in all copies or substantial portions
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * of the Software.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering *
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering *
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Use is subject to license terms.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include "drmP.h"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include "drm.h"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include "i915_drm.h"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include "i915_drv.h"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* Really want an OS-independent resettable timer. Would like to have
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * this loop run for (eg) 3 sec, but have the timer reset every time
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * the head pointer changes, so that EBUSY only happens if the ring
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * actually stalls for (eg) 3 seconds.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringint i915_wait_ring(drm_device_t * dev, int n, const char *caller)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering u32 last_acthd = I915_READ(acthd_reg);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering u32 acthd;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int i;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (i = 0; i < 100000; i++) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering acthd = I915_READ(acthd_reg);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->space = ring->head - (ring->tail + 8);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ring->space < 0)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->space += ring->Size;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ring->space >= n)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ring->head != last_head)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (acthd != last_acthd)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering last_head = ring->head;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering last_acthd = acthd;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_UDELAY(10);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EBUSY);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringint i915_init_hardware_status(drm_device_t *dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_dma_handle_t *dmah;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Program Hardware Status Page */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff,1);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dmah) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Can not allocate hardware status page\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return -ENOMEM;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->status_page_dmah = dmah;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hw_status_page = (void *)dmah->vaddr;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->dma_status_page = dmah->paddr;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) I915_READ(HWS_PGA);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("Enabled hardware status page add 0x%lx read GEM HWS 0x%x\n",dev_priv->hw_status_page, READ_HWSP(dev_priv, 0x20));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringvoid i915_free_hardware_status(drm_device_t *dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!I915_NEED_GFX_HWS(dev)) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->status_page_dmah) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("free status_page_dmal %x", dev_priv->status_page_dmah);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_pci_free(dev, dev_priv->status_page_dmah);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->status_page_dmah = NULL;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Need to rewrite hardware status page */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, 0x1ffff000);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->status_gfx_addr) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("free status_gfx_addr %x", dev_priv->status_gfx_addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->status_gfx_addr = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_core_ioremapfree(&dev_priv->hws_map, dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, 0x1ffff000);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringvoid i915_kernel_lost_context(drm_device_t * dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->space = ring->head - (ring->tail + 8);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ring->space < 0)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->space += ring->Size;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dma_cleanup(drm_device_t * dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv =
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (drm_i915_private_t *) dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Make sure interrupts are disabled here because the uninstall ioctl
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * may not have been called from userspace and after dev_private
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * is freed, it's too late.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev->irq_enabled)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) drm_irq_uninstall(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->ring.virtual_start) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_core_ioremapfree(&dev_priv->ring.map, dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.virtual_start = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.map.handle = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.map.size = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#ifdef I915_HAVE_GEM
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (I915_NEED_GFX_HWS(dev))
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#endif
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_free_hardware_status(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea = NULL;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv = NULL;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_initialize(drm_device_t * dev,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_init_t * init)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv =
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (drm_i915_private_t *)dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_GETSAREA();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dev_priv->sarea) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("can not find sarea!\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->dev_private = (void *)dev_priv;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) i915_dma_cleanup(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv = (drm_i915_sarea_t *)(uintptr_t)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ((u8 *) dev_priv->sarea->handle +
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering init->sarea_priv_offset);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (init->ring_size != 0) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->ring.ring_obj != NULL) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) i915_dma_cleanup(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Client tried to initialize ringbuffer in "
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering "GEM mode\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return -EINVAL;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.Size = init->ring_size;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.map.offset = (u_offset_t)init->ring_start;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.map.size = init->ring_size;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.map.type = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.map.flags = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.map.mtrr = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_core_ioremap(&dev_priv->ring.map, dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->ring.map.handle == NULL) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) i915_dma_cleanup(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("can not ioremap virtual address for"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering " ring buffer\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (ENOMEM);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.virtual_start = (u8 *)dev_priv->ring.map.dev_addr;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->cpp = init->cpp;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->back_offset = init->back_offset;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->front_offset = init->front_offset;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->current_page = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Allow hardware batchbuffers unless told otherwise.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->allow_batchbuffer = 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dma_resume(drm_device_t * dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dev_priv->sarea) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("can not find sarea!\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->ring.map.handle == NULL) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("can not ioremap virtual address for"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering " ring buffer\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (ENOMEM);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Program Hardware Status Page */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dev_priv->hw_status_page) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Can not find hardware status page\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("i915_dma_resume hw status page @ %p\n", dev_priv->hw_status_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!I915_NEED_GFX_HWS(dev))
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("Enabled hardware status page\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dma_init(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEVICE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_init_t init;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int retcode = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&init, (drm_i915_init_t *)data, sizeof(init));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering switch (init.func) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_INIT_DMA:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering retcode = i915_initialize(dev, &init);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_CLEANUP_DMA:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering retcode = i915_dma_cleanup(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_RESUME_DMA:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering retcode = i915_dma_resume(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering default:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering retcode = EINVAL;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return retcode;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* Implement basically the same security restrictions as hardware does
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * for MI_BATCH_NON_SECURE. These can be made stricter at any time.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering *
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Most of the calculations below involve calculating the size of a
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * particular instruction. It's important to get the size right as
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * that tells us where the next instruction to check is. Any illegal
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * instruction detected will be given a size of zero, which is a
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * signal to abort the rest of the buffer.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int do_validate_cmd(int cmd)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering switch (((cmd >> 29) & 0x7)) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x0:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering switch ((cmd >> 23) & 0x3f) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x0:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 1; /* MI_NOOP */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x4:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 1; /* MI_FLUSH */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering default:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0; /* disallow everything else */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#ifndef __SUNPRO_C
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#endif
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x1:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0; /* reserved */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x2:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (cmd & 0xff) + 2; /* 2d commands */
49f43d5f91a99b23f745726aa351d8f159774357Ville Skyttä case 0x3:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (((cmd >> 24) & 0x1f) <= 0x18)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering switch ((cmd >> 24) & 0x1f) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x1c:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x1d:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering switch ((cmd >> 16) & 0xff) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x3:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (cmd & 0x1f) + 2;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x4:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (cmd & 0xf) + 2;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering default:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (cmd & 0xffff) + 2;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x1e:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (cmd & (1 << 23))
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (cmd & 0xffff) + 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case 0x1f:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if ((cmd & (1 << 23)) == 0) /* inline vertices */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (cmd & 0x1ffff) + 2;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering else if (cmd & (1 << 17)) /* indirect random */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if ((cmd & 0xffff) == 0)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0; /* unknown length, too hard */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (((cmd & 0xffff) + 1) / 2) + 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 2; /* indirect sequential */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering default:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering default:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#ifndef __SUNPRO_C
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#endif
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int validate_cmd(int cmd)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret = do_validate_cmd(cmd);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* printk("validate_cmd( %x ): %d\n", cmd, ret); */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_emit_cmds(drm_device_t * dev, int __user * buffer, int dwords)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int i;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering RING_LOCALS;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR(" emit cmds invalid arg");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING((dwords+1)&~1);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (i = 0; i < dwords;) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int cmd, sz;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd))) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("emit cmds failed to get cmd from user");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("emit cmds invalid");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(cmd);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering while (++i, --sz) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i],
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof(cmd))) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("emit cmds failed get cmds");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(cmd);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dwords & 1)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringint i915_emit_box(drm_device_t * dev,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_clip_rect_t __user * boxes,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int i, int DR1, int DR4)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_clip_rect_t box;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering RING_LOCALS;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("emit box failed to copy from user");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EFAULT);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (box.y2 <= box.y1 || box.x2 <= box.x1) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Bad box %d,%d..%d,%d\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering box.x1, box.y1, box.x2, box.y2);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (IS_I965G(dev)) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(GFX_OP_DRAWRECT_INFO_I965);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(DR4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(6);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(GFX_OP_DRAWRECT_INFO);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(DR1);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(DR4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* XXX: Emitting the counter should really be moved to part of the IRQ
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * emit. For now, do it in both places:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringvoid i915_emit_breadcrumb(drm_device_t *dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering RING_LOCALS;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->counter++;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->counter > 0x7FFFFFFFUL)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->counter = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->sarea_priv)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv->last_enqueue = dev_priv->counter;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_STORE_DWORD_INDEX);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(dev_priv->counter);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dispatch_cmdbuffer(drm_device_t * dev,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_cmdbuffer_t * cmd)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int nbox = cmd->num_cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int i = 0, count, ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (cmd->sz & 0x3) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("alignment");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_kernel_lost_context(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering count = nbox ? nbox : 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (i = 0; i < count; i++) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (i < nbox) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_emit_box(dev, cmd->cliprects, i,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmd->DR1, cmd->DR4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ret)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
49f43d5f91a99b23f745726aa351d8f159774357Ville Skyttä ret = i915_emit_cmds(dev, (int __user *)(void *)cmd->buf, cmd->sz / 4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ret)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_emit_breadcrumb( dev );
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dispatch_batchbuffer(drm_device_t * dev,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_batchbuffer_t * batch)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_clip_rect_t __user *boxes = batch->cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int nbox = batch->num_cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int i = 0, count;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering RING_LOCALS;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if ((batch->start | batch->used) & 0x7) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("alignment");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_kernel_lost_context(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering count = nbox ? nbox : 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (i = 0; i < count; i++) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (i < nbox) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret = i915_emit_box(dev, boxes, i,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch->DR1, batch->DR4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ret)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (IS_I830(dev) || IS_845G(dev)) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_BATCH_BUFFER);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(batch->start | MI_BATCH_NON_SECURE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(batch->start + batch->used - 4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(2);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (IS_I965G(dev)) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(batch->start);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_BATCH_BUFFER_START | (2 << 6));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(batch->start | MI_BATCH_NON_SECURE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_emit_breadcrumb( dev );
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dispatch_flip(struct drm_device * dev, int planes)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering RING_LOCALS;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dev_priv->sarea_priv)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return -EINVAL;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("planes=0x%x pfCurrentPage=%d\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering planes, dev_priv->sarea_priv->pf_current_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_kernel_lost_context(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(2);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_FLUSH | MI_READ_FLUSH);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(6);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->current_page == 0) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(dev_priv->back_offset);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->current_page = 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(dev_priv->front_offset);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->current_page = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(2);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering BEGIN_LP_RING(4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_STORE_DWORD_INDEX);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(dev_priv->counter);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(0);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ADVANCE_LP_RING();
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_quiescent(drm_device_t * dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_kernel_lost_context(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ret)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_kernel_lost_context (dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR ("not quiescent head %08x tail %08x space %08x\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.head,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.tail,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.space);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_flush_ioctl(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEVICE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering LOCK_TEST_WITH_RETURN(dev, fpriv);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering spin_lock(&dev->struct_mutex);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_quiescent(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering spin_unlock(&dev->struct_mutex);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_batchbuffer(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEVICE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_batchbuffer_t batch;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dev_priv->allow_batchbuffer) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Batchbuffer ioctl disabled\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_batchbuffer32_t batchbuffer32_t;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&batchbuffer32_t,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void *) data, sizeof (batchbuffer32_t));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.start = batchbuffer32_t.start;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.used = batchbuffer32_t.used;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.DR1 = batchbuffer32_t.DR1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.DR4 = batchbuffer32_t.DR4;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.num_cliprects = batchbuffer32_t.num_cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.cliprects = (drm_clip_rect_t __user *)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (uintptr_t)batchbuffer32_t.cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&batch, (void *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof(batch));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d, counter %d\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.start, batch.used, batch.num_cliprects, dev_priv->counter);
49f43d5f91a99b23f745726aa351d8f159774357Ville Skyttä
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering LOCK_TEST_WITH_RETURN(dev, fpriv);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (batch.num_cliprects && DRM_VERIFYAREA_READ(batch.cliprects,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.num_cliprects *
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof(drm_clip_rect_t)))
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EFAULT);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering spin_lock(&dev->struct_mutex);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_dispatch_batchbuffer(dev, &batch);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering spin_unlock(&dev->struct_mutex);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_cmdbuffer(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEVICE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_cmdbuffer_t cmdbuf;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_cmdbuffer32_t cmdbuffer32_t;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&cmdbuffer32_t,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (drm_i915_cmdbuffer32_t __user *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof (drm_i915_cmdbuffer32_t));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.buf = (char __user *)(uintptr_t)cmdbuffer32_t.buf;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.sz = cmdbuffer32_t.sz;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.DR1 = cmdbuffer32_t.DR1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.DR4 = cmdbuffer32_t.DR4;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.num_cliprects = cmdbuffer32_t.num_cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.cliprects = (drm_clip_rect_t __user *)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (uintptr_t)cmdbuffer32_t.cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&cmdbuf, (void *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof(cmdbuf));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.buf, cmdbuf.sz, cmdbuf.num_cliprects);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering LOCK_TEST_WITH_RETURN(dev, fpriv);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (cmdbuf.num_cliprects &&
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_VERIFYAREA_READ(cmdbuf.cliprects,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.num_cliprects *
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof(drm_clip_rect_t))) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Fault accessing cliprects\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EFAULT);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering spin_lock(&dev->struct_mutex);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_dispatch_cmdbuffer(dev, &cmdbuf);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering spin_unlock(&dev->struct_mutex);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ret) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_flip_bufs(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEVICE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_flip_t param;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&param, (drm_i915_flip_t *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof(param));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("i915_flip_bufs\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering LOCK_TEST_WITH_RETURN(dev, fpriv);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering spin_lock(&dev->struct_mutex);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_dispatch_flip(dev, param.pipes);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering spin_unlock(&dev->struct_mutex);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_getparam(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEVICE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_getparam_t param;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int value;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dev_priv) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_getparam32_t getparam32_t;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&getparam32_t,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (drm_i915_getparam32_t __user *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof (drm_i915_getparam32_t));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering param.param = getparam32_t.param;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering param.value = (int __user *)(uintptr_t)getparam32_t.value;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&param,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (drm_i915_getparam_t *) data, sizeof(param));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering switch (param.param) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_PARAM_IRQ_ACTIVE:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering value = dev->irq_enabled ? 1 : 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_PARAM_ALLOW_BATCHBUFFER:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering value = dev_priv->allow_batchbuffer ? 1 : 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_PARAM_LAST_DISPATCH:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering value = READ_BREADCRUMB(dev_priv);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_PARAM_CHIPSET_ID:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering value = dev->pci_device;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_PARAM_HAS_GEM:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering value = dev->driver->use_gem;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering default:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Unknown get parameter %d\n", param.param);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("i915_getparam failed\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EFAULT);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_setparam(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEVICE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_setparam_t param;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dev_priv) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&param, (drm_i915_setparam_t *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof(param));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering switch (param.param) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_SETPARAM_USE_MI_BATCHBUFFER_START:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->tex_lru_log_granularity = param.value;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_SETPARAM_ALLOW_BATCHBUFFER:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->allow_batchbuffer = param.value;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering break;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering default:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("unknown set parameter %d\n", param.param);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_set_status_page(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEVICE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_hws_addr_t hws;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!I915_NEED_GFX_HWS(dev))
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!dev_priv) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (EINVAL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&hws, (drm_i915_hws_addr_t __user *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sizeof(hws));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart PoetteringDRM_ERROR("i915_set_status_page set status page addr 0x%08x\n", (u32)hws.addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->status_gfx_addr = hws.addr & (0x1ffff<<12);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("set gfx_addr 0x%08x\n", dev_priv->status_gfx_addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hws_map.offset =
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (u_offset_t)dev->agp->agp_info.agpi_aperbase + hws.addr;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hws_map.size = 4 * 1024; /* 4K pages */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hws_map.type = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hws_map.flags = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hws_map.mtrr = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("set status page: i915_set_status_page: mapoffset 0x%llx\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hws_map.offset);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_core_ioremap(&dev_priv->hws_map, dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv->hws_map.handle == NULL) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->dev_private = (void *)dev_priv;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) i915_dma_cleanup(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->status_gfx_addr = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("can not ioremap virtual address for"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering " G33 hw status page\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (ENOMEM);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hw_status_page = dev_priv->hws_map.dev_addr;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->status_gfx_addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringint i915_driver_load(drm_device_t *dev, unsigned long flags)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering struct drm_i915_private *dev_priv;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering unsigned long base, size;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* i915 has 4 more counters */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->counters += 4;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->types[6] = _DRM_STAT_IRQ;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->types[7] = _DRM_STAT_PRIMARY;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->types[8] = _DRM_STAT_SECONDARY;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->types[9] = _DRM_STAT_DMA;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (dev_priv == NULL)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ENOMEM;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) memset(dev_priv, 0, sizeof(drm_i915_private_t));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->dev_private = (void *)dev_priv;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->dev = dev;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Add register map (needed for suspend/resume) */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering base = drm_get_resource_start(dev, mmio_bar);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering size = drm_get_resource_len(dev, mmio_bar);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->mmio_map = drm_alloc(sizeof (drm_local_map_t), DRM_MEM_MAPS);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->mmio_map->offset = base;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->mmio_map->size = size;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->mmio_map->type = _DRM_REGISTERS;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->mmio_map->flags = _DRM_REMOVABLE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) drm_ioremap(dev, dev_priv->mmio_map);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("i915_driverload mmio %p mmio_map->dev_addr %x", dev_priv->mmio_map, dev_priv->mmio_map->dev_addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#if defined(__i386)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->driver->use_gem = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (IS_I965G(dev)) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->driver->use_gem = 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } else {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->driver->use_gem = 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#endif /* __i386 */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->driver->get_vblank_counter = i915_get_vblank_counter;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#if defined(__i386)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (IS_G4X(dev) || IS_IGDNG(dev) || IS_GM45(dev))
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#else
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (IS_G4X(dev) || IS_IGDNG(dev))
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#endif
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->driver->get_vblank_counter = gm45_get_vblank_counter;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#ifdef I915_HAVE_GEM
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_gem_load(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#endif
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (!I915_NEED_GFX_HWS(dev)) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_init_hardware_status(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if(ret)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering mutex_init(&dev_priv->user_irq_lock, "userirq", MUTEX_DRIVER, NULL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering mutex_init(&dev_priv->error_lock, "error_lock", MUTEX_DRIVER, NULL);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = drm_vblank_init(dev, I915_NUM_PIPE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ret) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) i915_driver_unload(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return ret;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringint i915_driver_unload(struct drm_device *dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering{
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering i915_free_hardware_status(dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_rmmap(dev, dev_priv->mmio_map);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering mutex_destroy(&dev_priv->user_irq_lock);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_free(dev->dev_private, sizeof(drm_i915_private_t),
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_MEM_DRIVER);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->dev_private = NULL;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/*ARGSUSED*/
int i915_driver_open(drm_device_t * dev, struct drm_file *file_priv)
{
struct drm_i915_file_private *i915_file_priv;
DRM_DEBUG("\n");
i915_file_priv = (struct drm_i915_file_private *)
drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES);
if (!i915_file_priv)
return -ENOMEM;
file_priv->driver_priv = i915_file_priv;
i915_file_priv->mm.last_gem_seqno = 0;
i915_file_priv->mm.last_gem_throttle_seqno = 0;
return 0;
}
void i915_driver_lastclose(drm_device_t * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
/* agp off can use this to get called before dev_priv */
if (!dev_priv)
return;
#ifdef I915_HAVE_GEM
i915_gem_lastclose(dev);
#endif
DRM_GETSAREA();
if (dev_priv->agp_heap)
i915_mem_takedown(&(dev_priv->agp_heap));
(void) i915_dma_cleanup(dev);
}
void i915_driver_preclose(drm_device_t * dev, drm_file_t *fpriv)
{
drm_i915_private_t *dev_priv = dev->dev_private;
i915_mem_release(dev, fpriv, dev_priv->agp_heap);
}
/*ARGSUSED*/
void i915_driver_postclose(drm_device_t * dev, struct drm_file *file_priv)
{
struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
drm_free(i915_file_priv, sizeof(*i915_file_priv), DRM_MEM_FILES);
}
drm_ioctl_desc_t i915_ioctls[] = {
[DRM_IOCTL_NR(DRM_I915_INIT)] =
{i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_FLUSH)] =
{i915_flush_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_FLIP)] =
{i915_flip_bufs, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] =
{i915_batchbuffer, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] =
{i915_irq_emit, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] =
{i915_irq_wait, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_GETPARAM)] =
{i915_getparam, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_SETPARAM)] =
{i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_ALLOC)] =
{i915_mem_alloc, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_FREE)] =
{i915_mem_free, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] =
{i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] =
{i915_cmdbuffer, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] =
{i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_SET_VBLANK_PIPE)] =
{i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] =
{i915_vblank_pipe_get, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_VBLANK_SWAP)] =
{i915_vblank_swap, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_HWS_ADDR)] =
{i915_set_status_page, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
#ifdef I915_HAVE_GEM
[DRM_IOCTL_NR(DRM_I915_GEM_INIT)] =
{i915_gem_init_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_GEM_EXECBUFFER)] =
{i915_gem_execbuffer, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_GEM_PIN)] =
{i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_GEM_UNPIN)] =
{i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_GEM_BUSY)] =
{i915_gem_busy_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_GEM_THROTTLE)] =
{i915_gem_throttle_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_GEM_ENTERVT)] =
{i915_gem_entervt_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_GEM_LEAVEVT)] =
{i915_gem_leavevt_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_GEM_CREATE)] =
{i915_gem_create_ioctl, 0},
[DRM_IOCTL_NR(DRM_I915_GEM_PREAD)] =
{i915_gem_pread_ioctl, 0},
[DRM_IOCTL_NR(DRM_I915_GEM_PWRITE)] =
{i915_gem_pwrite_ioctl, 0},
[DRM_IOCTL_NR(DRM_I915_GEM_MMAP)] =
{i915_gem_mmap_ioctl, 0},
[DRM_IOCTL_NR(DRM_I915_GEM_SET_DOMAIN)] =
{i915_gem_set_domain_ioctl, 0},
[DRM_IOCTL_NR(DRM_I915_GEM_SW_FINISH)] =
{i915_gem_sw_finish_ioctl, 0},
[DRM_IOCTL_NR(DRM_I915_GEM_SET_TILING)] =
{i915_gem_set_tiling, 0},
[DRM_IOCTL_NR(DRM_I915_GEM_GET_TILING)] =
{i915_gem_get_tiling, 0},
[DRM_IOCTL_NR(DRM_I915_GEM_GET_APERTURE)] =
{i915_gem_get_aperture_ioctl, 0},
#endif
};
int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
/**
* Determine if the device really is AGP or not.
*
* All Intel graphics chipsets are treated as AGP, even if they are really
* PCI-e.
*
* \param dev The device to be tested.
*
* \returns
* A value of 1 is always retured to indictate every i9x5 is AGP.
*/
/*ARGSUSED*/
int i915_driver_device_is_agp(drm_device_t * dev)
{
return 1;
}