87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* BEGIN CSTYLED */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Copyright (c) 2009, Intel Corporation.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * All Rights Reserved.
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:
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 * 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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering * Use is subject to license terms.
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 Poetteringint i915_wait_ring(drm_device_t * dev, int n, const char *caller)
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 for (i = 0; i < 100000; i++) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ring->space = ring->head - (ring->tail + 8);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringint i915_init_hardware_status(drm_device_t *dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Program Hardware Status Page */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff,1);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Can not allocate hardware status page\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hw_status_page = (void *)dmah->vaddr;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
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 Poetteringvoid i915_free_hardware_status(drm_device_t *dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
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 /* Need to rewrite hardware status page */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("free status_gfx_addr %x", dev_priv->status_gfx_addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_core_ioremapfree(&dev_priv->hws_map, dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringvoid i915_kernel_lost_context(drm_device_t * dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
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 Poetteringstatic int i915_dma_cleanup(drm_device_t * dev)
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 drm_core_ioremapfree(&dev_priv->ring.map, dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_initialize(drm_device_t * dev,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv = (drm_i915_sarea_t *)(uintptr_t)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Client tried to initialize ringbuffer in "
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering "GEM mode\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
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 drm_core_ioremap(&dev_priv->ring.map, dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("can not ioremap virtual address for"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering " ring buffer\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->ring.virtual_start = (u8 *)dev_priv->ring.map.dev_addr;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->back_offset = init->back_offset;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->front_offset = init->front_offset;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Allow hardware batchbuffers unless told otherwise.
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dma_resume(drm_device_t * dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("can not ioremap virtual address for"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering " ring buffer\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Program Hardware Status Page */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Can not find hardware status page\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("i915_dma_resume hw status page @ %p\n", dev_priv->hw_status_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("Enabled hardware status page\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&init, (drm_i915_init_t *)data, sizeof(init));
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 * 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 return 0; /* disallow everything else */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0; /* reserved */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return (cmd & 0xff) + 2; /* 2d commands */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if ((cmd & (1 << 23)) == 0) /* inline vertices */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering else if (cmd & (1 << 17)) /* indirect random */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0; /* unknown length, too hard */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering/* printk("validate_cmd( %x ): %d\n", cmd, ret); */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_emit_cmds(drm_device_t * dev, int __user * buffer, int dwords)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (i = 0; i < dwords;) {
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 if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering while (++i, --sz) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i],
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
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 if (box.y2 <= box.y1 || box.x2 <= box.x1) {
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((box.x1 & 0xffff) | (box.y1 << 16));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
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 Poetteringvoid i915_emit_breadcrumb(drm_device_t *dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv->last_enqueue = dev_priv->counter;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dispatch_cmdbuffer(drm_device_t * dev,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (i = 0; i < count; i++) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_emit_box(dev, cmd->cliprects, i,
49f43d5f91a99b23f745726aa351d8f159774357Ville Skyttä ret = i915_emit_cmds(dev, (int __user *)(void *)cmd->buf, cmd->sz / 4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dispatch_batchbuffer(drm_device_t * dev,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_clip_rect_t __user *boxes = batch->cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if ((batch->start | batch->used) & 0x7) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (i = 0; i < count; i++) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(batch->start | MI_BATCH_NON_SECURE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(batch->start + batch->used - 4);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_BATCH_BUFFER_START | (2 << 6));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(batch->start | MI_BATCH_NON_SECURE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_dispatch_flip(struct drm_device * dev, int planes)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("planes=0x%x pfCurrentPage=%d\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering planes, dev_priv->sarea_priv->pf_current_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_quiescent(drm_device_t * dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR ("not quiescent head %08x tail %08x space %08x\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_flush_ioctl(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_batchbuffer(DRM_IOCTL_ARGS)
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 DRM_ERROR("Batchbuffer ioctl disabled\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_batchbuffer32_t batchbuffer32_t;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&batchbuffer32_t,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void *) data, sizeof (batchbuffer32_t));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.num_cliprects = batchbuffer32_t.num_cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering batch.cliprects = (drm_clip_rect_t __user *)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&batch, (void *) data,
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);
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 ret = i915_dispatch_batchbuffer(dev, &batch);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
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 if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.buf = (char __user *)(uintptr_t)cmdbuffer32_t.buf;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.num_cliprects = cmdbuffer32_t.num_cliprects;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.cliprects = (drm_clip_rect_t __user *)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&cmdbuf, (void *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmdbuf.buf, cmdbuf.sz, cmdbuf.num_cliprects);
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 ret = i915_dispatch_cmdbuffer(dev, &cmdbuf);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(¶m, (drm_i915_flip_t *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ret = i915_dispatch_flip(dev, param.pipes);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering param.value = (int __user *)(uintptr_t)getparam32_t.value;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (drm_i915_getparam_t *) data, sizeof(param));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering value = dev_priv->allow_batchbuffer ? 1 : 0;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("Unknown get parameter %d\n", param.param);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) {
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(¶m, (drm_i915_setparam_t *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_SETPARAM_USE_MI_BATCHBUFFER_START:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY:
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->tex_lru_log_granularity = param.value;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->allow_batchbuffer = param.value;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("unknown set parameter %d\n", param.param);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringstatic int i915_set_status_page(DRM_IOCTL_ARGS)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_COPYFROM_WITH_RETURN(&hws, (drm_i915_hws_addr_t __user *) data,
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart PoetteringDRM_ERROR("i915_set_status_page set status page addr 0x%08x\n", (u32)hws.addr);
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 (u_offset_t)dev->agp->agp_info.agpi_aperbase + hws.addr;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hws_map.size = 4 * 1024; /* 4K pages */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_DEBUG("set status page: i915_set_status_page: mapoffset 0x%llx\n",
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_core_ioremap(&dev_priv->hws_map, dev);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering DRM_ERROR("can not ioremap virtual address for"
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering " G33 hw status page\n");
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->hw_status_page = dev_priv->hws_map.dev_addr;
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 DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringint i915_driver_load(drm_device_t *dev, unsigned long flags)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* i915 has 4 more counters */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) memset(dev_priv, 0, sizeof(drm_i915_private_t));
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering /* Add register map (needed for suspend/resume) */
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->type = _DRM_REGISTERS;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev_priv->mmio_map->flags = _DRM_REMOVABLE;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (void) drm_ioremap(dev, dev_priv->mmio_map);
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#endif /* __i386 */
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 (IS_G4X(dev) || IS_IGDNG(dev) || IS_GM45(dev))
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering dev->driver->get_vblank_counter = gm45_get_vblank_counter;
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 ret = drm_vblank_init(dev, I915_NUM_PIPE);
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poetteringint i915_driver_unload(struct drm_device *dev)
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_i915_private_t *dev_priv = dev->dev_private;
87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering drm_free(dev->dev_private, sizeof(drm_i915_private_t),
if (!i915_file_priv)
return -ENOMEM;
if (!dev_priv)
#ifdef I915_HAVE_GEM
DRM_GETSAREA();
#ifdef I915_HAVE_GEM
{i915_gem_create_ioctl, 0},
{i915_gem_pread_ioctl, 0},
{i915_gem_pwrite_ioctl, 0},
{i915_gem_mmap_ioctl, 0},
{i915_gem_sw_finish_ioctl, 0},
{i915_gem_set_tiling, 0},
{i915_gem_get_tiling, 0},