diff options
Diffstat (limited to 'nx-X11/extras/drm/shared-core/i915_dma.c')
| -rw-r--r-- | nx-X11/extras/drm/shared-core/i915_dma.c | 776 |
1 files changed, 0 insertions, 776 deletions
diff --git a/nx-X11/extras/drm/shared-core/i915_dma.c b/nx-X11/extras/drm/shared-core/i915_dma.c deleted file mode 100644 index 4b29d2c09..000000000 --- a/nx-X11/extras/drm/shared-core/i915_dma.c +++ /dev/null @@ -1,776 +0,0 @@ -/* i915_dma.c -- DMA support for the I915 -*- linux-c -*- - */ -/************************************************************************** - * - * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include "drmP.h" -#include "drm.h" -#include "i915_drm.h" -#include "i915_drv.h" - -/* Really want an OS-independent resettable timer. Would like to have - * this loop run for (eg) 3 sec, but have the timer reset every time - * the head pointer changes, so that EBUSY only happens if the ring - * actually stalls for (eg) 3 seconds. - */ -int i915_wait_ring(drm_device_t * dev, int n, const char *caller) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_ring_buffer_t *ring = &(dev_priv->ring); - u32 last_head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - int i; - - for (i = 0; i < 10000; i++) { - ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->Size; - if (ring->space >= n) - return 0; - - dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; - - if (ring->head != last_head) - i = 0; - - last_head = ring->head; - } - - return DRM_ERR(EBUSY); -} - -void i915_kernel_lost_context(drm_device_t * dev) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_ring_buffer_t *ring = &(dev_priv->ring); - - ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->tail = I915_READ(LP_RING + RING_TAIL) & TAIL_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->Size; - - if (ring->head == ring->tail) - dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; -} - -static int i915_dma_cleanup(drm_device_t * dev) -{ - /* Make sure interrupts are disabled here because the uninstall ioctl - * may not have been called from userspace and after dev_private - * is freed, it's too late. - */ - if (dev->irq) - drm_irq_uninstall(dev); - - if (dev->dev_private) { - drm_i915_private_t *dev_priv = - (drm_i915_private_t *) dev->dev_private; - - if (dev_priv->ring.virtual_start) { - drm_core_ioremapfree(&dev_priv->ring.map, dev); - } - - if (dev_priv->status_page_dmah) { - drm_pci_free(dev, dev_priv->status_page_dmah); - /* Need to rewrite hardware status page */ - I915_WRITE(0x02080, 0x1ffff000); - } - - drm_free(dev->dev_private, sizeof(drm_i915_private_t), - DRM_MEM_DRIVER); - - dev->dev_private = NULL; - } - - return 0; -} - -static int i915_initialize(drm_device_t * dev, - drm_i915_private_t * dev_priv, - drm_i915_init_t * init) -{ - memset(dev_priv, 0, sizeof(drm_i915_private_t)); - - DRM_GETSAREA(); - if (!dev_priv->sarea) { - DRM_ERROR("can not find sarea!\n"); - dev->dev_private = (void *)dev_priv; - i915_dma_cleanup(dev); - return DRM_ERR(EINVAL); - } - - dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio_map) { - dev->dev_private = (void *)dev_priv; - i915_dma_cleanup(dev); - DRM_ERROR("can not find mmio map!\n"); - return DRM_ERR(EINVAL); - } - - dev_priv->sarea_priv = (drm_i915_sarea_t *) - ((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset); - - dev_priv->ring.Start = init->ring_start; - dev_priv->ring.End = init->ring_end; - dev_priv->ring.Size = init->ring_size; - dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; - - dev_priv->ring.map.offset = init->ring_start; - dev_priv->ring.map.size = init->ring_size; - dev_priv->ring.map.type = 0; - dev_priv->ring.map.flags = 0; - dev_priv->ring.map.mtrr = 0; - - drm_core_ioremap(&dev_priv->ring.map, dev); - - if (dev_priv->ring.map.handle == NULL) { - dev->dev_private = (void *)dev_priv; - i915_dma_cleanup(dev); - DRM_ERROR("can not ioremap virtual address for" - " ring buffer\n"); - return DRM_ERR(ENOMEM); - } - - dev_priv->ring.virtual_start = dev_priv->ring.map.handle; - - dev_priv->back_offset = init->back_offset; - dev_priv->front_offset = init->front_offset; - dev_priv->current_page = 0; - dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; - - /* We are using separate values as placeholders for mechanisms for - * private backbuffer/depthbuffer usage. - */ - dev_priv->use_mi_batchbuffer_start = 0; - - /* Allow hardware batchbuffers unless told otherwise. - */ - dev_priv->allow_batchbuffer = 1; - - /* Program Hardware Status Page */ - dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, - 0xffffffff); - - if (!dev_priv->status_page_dmah) { - dev->dev_private = (void *)dev_priv; - i915_dma_cleanup(dev); - DRM_ERROR("Can not allocate hardware status page\n"); - return DRM_ERR(ENOMEM); - } - dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; - dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; - - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); - - I915_WRITE(0x02080, dev_priv->dma_status_page); - DRM_DEBUG("Enabled hardware status page\n"); - - dev->dev_private = (void *)dev_priv; - - return 0; -} - -static int i915_dma_resume(drm_device_t * dev) -{ - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - - DRM_DEBUG("%s\n", __FUNCTION__); - - if (!dev_priv->sarea) { - DRM_ERROR("can not find sarea!\n"); - return DRM_ERR(EINVAL); - } - - if (!dev_priv->mmio_map) { - DRM_ERROR("can not find mmio map!\n"); - return DRM_ERR(EINVAL); - } - - if (dev_priv->ring.map.handle == NULL) { - DRM_ERROR("can not ioremap virtual address for" - " ring buffer\n"); - return DRM_ERR(ENOMEM); - } - - /* Program Hardware Status Page */ - if (!dev_priv->hw_status_page) { - DRM_ERROR("Can not find hardware status page\n"); - return DRM_ERR(EINVAL); - } - DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); - - I915_WRITE(0x02080, dev_priv->dma_status_page); - DRM_DEBUG("Enabled hardware status page\n"); - - return 0; -} - -static int i915_dma_init(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - drm_i915_private_t *dev_priv; - drm_i915_init_t init; - int retcode = 0; - - DRM_COPY_FROM_USER_IOCTL(init, (drm_i915_init_t __user *) data, - sizeof(init)); - - switch (init.func) { - case I915_INIT_DMA: - dev_priv = drm_alloc(sizeof(drm_i915_private_t), - DRM_MEM_DRIVER); - if (dev_priv == NULL) - return DRM_ERR(ENOMEM); - retcode = i915_initialize(dev, dev_priv, &init); - break; - case I915_CLEANUP_DMA: - retcode = i915_dma_cleanup(dev); - break; - case I915_RESUME_DMA: - retcode = i915_dma_resume(dev); - break; - default: - retcode = -EINVAL; - break; - } - - return retcode; -} - -/* Implement basically the same security restrictions as hardware does - * for MI_BATCH_NON_SECURE. These can be made stricter at any time. - * - * Most of the calculations below involve calculating the size of a - * particular instruction. It's important to get the size right as - * that tells us where the next instruction to check is. Any illegal - * instruction detected will be given a size of zero, which is a - * signal to abort the rest of the buffer. - */ -static int do_validate_cmd(int cmd) -{ - switch (((cmd >> 29) & 0x7)) { - case 0x0: - switch ((cmd >> 23) & 0x3f) { - case 0x0: - return 1; /* MI_NOOP */ - case 0x4: - return 1; /* MI_FLUSH */ - default: - return 0; /* disallow everything else */ - } - break; - case 0x1: - return 0; /* reserved */ - case 0x2: - return (cmd & 0xff) + 2; /* 2d commands */ - case 0x3: - if (((cmd >> 24) & 0x1f) <= 0x18) - return 1; - - switch ((cmd >> 24) & 0x1f) { - case 0x1c: - return 1; - case 0x1d: - switch ((cmd >> 16) & 0xff) { - case 0x3: - return (cmd & 0x1f) + 2; - case 0x4: - return (cmd & 0xf) + 2; - default: - return (cmd & 0xffff) + 2; - } - case 0x1e: - if (cmd & (1 << 23)) - return (cmd & 0xffff) + 1; - else - return 1; - case 0x1f: - if ((cmd & (1 << 23)) == 0) /* inline vertices */ - return (cmd & 0x1ffff) + 2; - else if (cmd & (1 << 17)) /* indirect random */ - if ((cmd & 0xffff) == 0) - return 0; /* unknown length, too hard */ - else - return (((cmd & 0xffff) + 1) / 2) + 1; - else - return 2; /* indirect sequential */ - default: - return 0; - } - default: - return 0; - } - - return 0; -} - -static int validate_cmd(int cmd) -{ - int ret = do_validate_cmd(cmd); - -/* printk("validate_cmd( %x ): %d\n", cmd, ret); */ - - return ret; -} - -static int i915_emit_cmds(drm_device_t * dev, int __user * buffer, int dwords) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - int i; - RING_LOCALS; - - for (i = 0; i < dwords;) { - int cmd, sz; - - if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd))) - return DRM_ERR(EINVAL); - -/* printk("%d/%d ", i, dwords); */ - - if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) - return DRM_ERR(EINVAL); - - BEGIN_LP_RING(sz); - OUT_RING(cmd); - - while (++i, --sz) { - if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], - sizeof(cmd))) { - return DRM_ERR(EINVAL); - } - OUT_RING(cmd); - } - ADVANCE_LP_RING(); - } - - return 0; -} - -static int i915_emit_box(drm_device_t * dev, - drm_clip_rect_t __user * boxes, - int i, int DR1, int DR4) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - drm_clip_rect_t box; - RING_LOCALS; - - if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) { - return EFAULT; - } - - if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { - DRM_ERROR("Bad box %d,%d..%d,%d\n", - box.x1, box.y1, box.x2, box.y2); - return DRM_ERR(EINVAL); - } - - BEGIN_LP_RING(6); - OUT_RING(GFX_OP_DRAWRECT_INFO); - OUT_RING(DR1); - OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); - OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); - OUT_RING(DR4); - OUT_RING(0); - ADVANCE_LP_RING(); - - return 0; -} - -static int i915_dispatch_cmdbuffer(drm_device_t * dev, - drm_i915_cmdbuffer_t * cmd) -{ - int nbox = cmd->num_cliprects; - int i = 0, count, ret; - - if (cmd->sz & 0x3) { - DRM_ERROR("alignment"); - return DRM_ERR(EINVAL); - } - - i915_kernel_lost_context(dev); - - count = nbox ? nbox : 1; - - for (i = 0; i < count; i++) { - if (i < nbox) { - ret = i915_emit_box(dev, cmd->cliprects, i, - cmd->DR1, cmd->DR4); - if (ret) - return ret; - } - - ret = i915_emit_cmds(dev, (int __user *)cmd->buf, cmd->sz / 4); - if (ret) - return ret; - } - - return 0; -} - -static int i915_dispatch_batchbuffer(drm_device_t * dev, - drm_i915_batchbuffer_t * batch) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - drm_clip_rect_t __user *boxes = batch->cliprects; - int nbox = batch->num_cliprects; - int i = 0, count; - RING_LOCALS; - - if ((batch->start | batch->used) & 0x7) { - DRM_ERROR("alignment"); - return DRM_ERR(EINVAL); - } - - i915_kernel_lost_context(dev); - - count = nbox ? nbox : 1; - - for (i = 0; i < count; i++) { - if (i < nbox) { - int ret = i915_emit_box(dev, boxes, i, - batch->DR1, batch->DR4); - if (ret) - return ret; - } - - if (dev_priv->use_mi_batchbuffer_start) { - BEGIN_LP_RING(2); - OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); - OUT_RING(batch->start | MI_BATCH_NON_SECURE); - ADVANCE_LP_RING(); - } else { - BEGIN_LP_RING(4); - OUT_RING(MI_BATCH_BUFFER); - OUT_RING(batch->start | MI_BATCH_NON_SECURE); - OUT_RING(batch->start + batch->used - 4); - OUT_RING(0); - ADVANCE_LP_RING(); - } - } - - dev_priv->sarea_priv->last_enqueue = dev_priv->counter++; - - BEGIN_LP_RING(4); - OUT_RING(CMD_STORE_DWORD_IDX); - OUT_RING(20); - OUT_RING(dev_priv->counter); - OUT_RING(0); - ADVANCE_LP_RING(); - - return 0; -} - -static int i915_dispatch_flip(drm_device_t * dev) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - - DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", - __FUNCTION__, - dev_priv->current_page, - dev_priv->sarea_priv->pf_current_page); - - i915_kernel_lost_context(dev); - - BEGIN_LP_RING(2); - OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); - OUT_RING(0); - ADVANCE_LP_RING(); - - BEGIN_LP_RING(6); - OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); - OUT_RING(0); - if (dev_priv->current_page == 0) { - OUT_RING(dev_priv->back_offset); - dev_priv->current_page = 1; - } else { - OUT_RING(dev_priv->front_offset); - dev_priv->current_page = 0; - } - OUT_RING(0); - ADVANCE_LP_RING(); - - BEGIN_LP_RING(2); - OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); - OUT_RING(0); - ADVANCE_LP_RING(); - - dev_priv->sarea_priv->last_enqueue = dev_priv->counter++; - - BEGIN_LP_RING(4); - OUT_RING(CMD_STORE_DWORD_IDX); - OUT_RING(20); - OUT_RING(dev_priv->counter); - OUT_RING(0); - ADVANCE_LP_RING(); - - dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; - return 0; -} - -static int i915_quiescent(drm_device_t * dev) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - - i915_kernel_lost_context(dev); - return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); -} - -static int i915_flush_ioctl(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - - LOCK_TEST_WITH_RETURN(dev, filp); - - return i915_quiescent(dev); -} - -static int i915_batchbuffer(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) - dev_priv->sarea_priv; - drm_i915_batchbuffer_t batch; - int ret; - - if (!dev_priv->allow_batchbuffer) { - DRM_ERROR("Batchbuffer ioctl disabled\n"); - return DRM_ERR(EINVAL); - } - - DRM_COPY_FROM_USER_IOCTL(batch, (drm_i915_batchbuffer_t __user *) data, - sizeof(batch)); - - DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n", - batch.start, batch.used, batch.num_cliprects); - - LOCK_TEST_WITH_RETURN(dev, filp); - - if (batch.num_cliprects && DRM_VERIFYAREA_READ(batch.cliprects, - batch.num_cliprects * - sizeof(drm_clip_rect_t))) - return DRM_ERR(EFAULT); - - ret = i915_dispatch_batchbuffer(dev, &batch); - - sarea_priv->last_dispatch = (int)hw_status[5]; - return ret; -} - -static int i915_cmdbuffer(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) - dev_priv->sarea_priv; - drm_i915_cmdbuffer_t cmdbuf; - int ret; - - DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_i915_cmdbuffer_t __user *) data, - sizeof(cmdbuf)); - - DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", - cmdbuf.buf, cmdbuf.sz, cmdbuf.num_cliprects); - - LOCK_TEST_WITH_RETURN(dev, filp); - - if (cmdbuf.num_cliprects && - DRM_VERIFYAREA_READ(cmdbuf.cliprects, - cmdbuf.num_cliprects * - sizeof(drm_clip_rect_t))) { - DRM_ERROR("Fault accessing cliprects\n"); - return DRM_ERR(EFAULT); - } - - ret = i915_dispatch_cmdbuffer(dev, &cmdbuf); - if (ret) { - DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); - return ret; - } - - sarea_priv->last_dispatch = (int)hw_status[5]; - return 0; -} - -static int i915_do_cleanup_pageflip(drm_device_t * dev) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - - DRM_DEBUG("%s\n", __FUNCTION__); - if (dev_priv->current_page != 0) - i915_dispatch_flip(dev); - - return 0; -} - -static int i915_flip_bufs(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - - DRM_DEBUG("%s\n", __FUNCTION__); - - LOCK_TEST_WITH_RETURN(dev, filp); - - return i915_dispatch_flip(dev); -} - -static int i915_getparam(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_getparam_t param; - int value; - - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - - DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_getparam_t __user *) data, - sizeof(param)); - - switch (param.param) { - case I915_PARAM_IRQ_ACTIVE: - value = dev->irq ? 1 : 0; - break; - case I915_PARAM_ALLOW_BATCHBUFFER: - value = dev_priv->allow_batchbuffer ? 1 : 0; - break; - default: - DRM_ERROR("Unkown parameter %d\n", param.param); - return DRM_ERR(EINVAL); - } - - if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) { - DRM_ERROR("DRM_COPY_TO_USER failed\n"); - return DRM_ERR(EFAULT); - } - - return 0; -} - -static int i915_setparam(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_setparam_t param; - - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - - DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_setparam_t __user *) data, - sizeof(param)); - - switch (param.param) { - case I915_SETPARAM_USE_MI_BATCHBUFFER_START: - dev_priv->use_mi_batchbuffer_start = param.value; - break; - case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: - dev_priv->tex_lru_log_granularity = param.value; - break; - case I915_SETPARAM_ALLOW_BATCHBUFFER: - dev_priv->allow_batchbuffer = param.value; - break; - default: - DRM_ERROR("unknown parameter %d\n", param.param); - return DRM_ERR(EINVAL); - } - - return 0; -} - -int i915_driver_load(drm_device_t *dev, unsigned long flags) -{ - /* i915 has 4 more counters */ - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; - - return 0; -} - -void i915_driver_lastclose(drm_device_t * dev) -{ - if (dev->dev_private) { - drm_i915_private_t *dev_priv = dev->dev_private; - i915_mem_takedown(&(dev_priv->agp_heap)); - } - i915_dma_cleanup(dev); -} - -void i915_driver_preclose(drm_device_t * dev, DRMFILE filp) -{ - if (dev->dev_private) { - drm_i915_private_t *dev_priv = dev->dev_private; - if (dev_priv->page_flipping) { - i915_do_cleanup_pageflip(dev); - } - i915_mem_release(dev, filp, dev_priv->agp_heap); - } -} - -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} -}; - -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. - */ -int i915_driver_device_is_agp(drm_device_t * dev) -{ - return 1; -} |