Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* i915_dma.c -- DMA support for the I915 -*- linux-c -*- |
| 2 | */ |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 3 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
| 5 | * All Rights Reserved. |
Dave Airlie | bc54fd1 | 2005-06-23 22:46:46 +1000 | [diff] [blame] | 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | * copy of this software and associated documentation files (the |
| 9 | * "Software"), to deal in the Software without restriction, including |
| 10 | * without limitation the rights to use, copy, modify, merge, publish, |
| 11 | * distribute, sub license, and/or sell copies of the Software, and to |
| 12 | * permit persons to whom the Software is furnished to do so, subject to |
| 13 | * the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice (including the |
| 16 | * next paragraph) shall be included in all copies or substantial portions |
| 17 | * of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 22 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 23 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 24 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 25 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | * |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 27 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | #include "drmP.h" |
| 30 | #include "drm.h" |
| 31 | #include "i915_drm.h" |
| 32 | #include "i915_drv.h" |
| 33 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | /* Really want an OS-independent resettable timer. Would like to have |
| 35 | * this loop run for (eg) 3 sec, but have the timer reset every time |
| 36 | * the head pointer changes, so that EBUSY only happens if the ring |
| 37 | * actually stalls for (eg) 3 seconds. |
| 38 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 39 | int i915_wait_ring(struct drm_device * dev, int n, const char *caller) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | { |
| 41 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 42 | drm_i915_ring_buffer_t *ring = &(dev_priv->ring); |
Keith Packard | d3a6d44 | 2008-07-30 12:21:20 -0700 | [diff] [blame] | 43 | u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD; |
| 44 | u32 last_acthd = I915_READ(acthd_reg); |
| 45 | u32 acthd; |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 46 | u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | int i; |
| 48 | |
Keith Packard | d3a6d44 | 2008-07-30 12:21:20 -0700 | [diff] [blame] | 49 | for (i = 0; i < 100000; i++) { |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 50 | ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
Keith Packard | d3a6d44 | 2008-07-30 12:21:20 -0700 | [diff] [blame] | 51 | acthd = I915_READ(acthd_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | ring->space = ring->head - (ring->tail + 8); |
| 53 | if (ring->space < 0) |
| 54 | ring->space += ring->Size; |
| 55 | if (ring->space >= n) |
| 56 | return 0; |
| 57 | |
| 58 | dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; |
| 59 | |
| 60 | if (ring->head != last_head) |
| 61 | i = 0; |
Keith Packard | d3a6d44 | 2008-07-30 12:21:20 -0700 | [diff] [blame] | 62 | if (acthd != last_acthd) |
| 63 | i = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | |
| 65 | last_head = ring->head; |
Keith Packard | d3a6d44 | 2008-07-30 12:21:20 -0700 | [diff] [blame] | 66 | last_acthd = acthd; |
| 67 | msleep_interruptible(10); |
| 68 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | } |
| 70 | |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 71 | return -EBUSY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | } |
| 73 | |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 74 | /** |
| 75 | * Sets up the hardware status page for devices that need a physical address |
| 76 | * in the register. |
| 77 | */ |
| 78 | int i915_init_phys_hws(struct drm_device *dev) |
| 79 | { |
| 80 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 81 | /* Program Hardware Status Page */ |
| 82 | dev_priv->status_page_dmah = |
| 83 | drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); |
| 84 | |
| 85 | if (!dev_priv->status_page_dmah) { |
| 86 | DRM_ERROR("Can not allocate hardware status page\n"); |
| 87 | return -ENOMEM; |
| 88 | } |
| 89 | dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; |
| 90 | dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; |
| 91 | |
| 92 | memset(dev_priv->hw_status_page, 0, PAGE_SIZE); |
| 93 | |
| 94 | I915_WRITE(HWS_PGA, dev_priv->dma_status_page); |
| 95 | DRM_DEBUG("Enabled hardware status page\n"); |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Frees the hardware status page, whether it's a physical address or a virtual |
| 101 | * address set up by the X Server. |
| 102 | */ |
| 103 | void i915_free_hws(struct drm_device *dev) |
| 104 | { |
| 105 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 106 | if (dev_priv->status_page_dmah) { |
| 107 | drm_pci_free(dev, dev_priv->status_page_dmah); |
| 108 | dev_priv->status_page_dmah = NULL; |
| 109 | } |
| 110 | |
| 111 | if (dev_priv->status_gfx_addr) { |
| 112 | dev_priv->status_gfx_addr = 0; |
| 113 | drm_core_ioremapfree(&dev_priv->hws_map, dev); |
| 114 | } |
| 115 | |
| 116 | /* Need to rewrite hardware status page */ |
| 117 | I915_WRITE(HWS_PGA, 0x1ffff000); |
| 118 | } |
| 119 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 120 | void i915_kernel_lost_context(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | { |
| 122 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 123 | drm_i915_ring_buffer_t *ring = &(dev_priv->ring); |
| 124 | |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 125 | ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
| 126 | ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | ring->space = ring->head - (ring->tail + 8); |
| 128 | if (ring->space < 0) |
| 129 | ring->space += ring->Size; |
| 130 | |
| 131 | if (ring->head == ring->tail) |
| 132 | dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; |
| 133 | } |
| 134 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 135 | static int i915_dma_cleanup(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 137 | drm_i915_private_t *dev_priv = dev->dev_private; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | /* Make sure interrupts are disabled here because the uninstall ioctl |
| 139 | * may not have been called from userspace and after dev_private |
| 140 | * is freed, it's too late. |
| 141 | */ |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 142 | if (dev->irq_enabled) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 143 | drm_irq_uninstall(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 145 | if (dev_priv->ring.virtual_start) { |
| 146 | drm_core_ioremapfree(&dev_priv->ring.map, dev); |
| 147 | dev_priv->ring.virtual_start = 0; |
| 148 | dev_priv->ring.map.handle = 0; |
| 149 | dev_priv->ring.map.size = 0; |
| 150 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 152 | /* Clear the HWS virtual address at teardown */ |
| 153 | if (I915_NEED_GFX_HWS(dev)) |
| 154 | i915_free_hws(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | |
| 156 | return 0; |
| 157 | } |
| 158 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 159 | static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 161 | drm_i915_private_t *dev_priv = dev->dev_private; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | |
Dave Airlie | da509d7 | 2007-05-26 05:04:51 +1000 | [diff] [blame] | 163 | dev_priv->sarea = drm_getsarea(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | if (!dev_priv->sarea) { |
| 165 | DRM_ERROR("can not find sarea!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | i915_dma_cleanup(dev); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 167 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | } |
| 169 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | dev_priv->sarea_priv = (drm_i915_sarea_t *) |
| 171 | ((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset); |
| 172 | |
| 173 | dev_priv->ring.Start = init->ring_start; |
| 174 | dev_priv->ring.End = init->ring_end; |
| 175 | dev_priv->ring.Size = init->ring_size; |
| 176 | dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; |
| 177 | |
| 178 | dev_priv->ring.map.offset = init->ring_start; |
| 179 | dev_priv->ring.map.size = init->ring_size; |
| 180 | dev_priv->ring.map.type = 0; |
| 181 | dev_priv->ring.map.flags = 0; |
| 182 | dev_priv->ring.map.mtrr = 0; |
| 183 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 184 | drm_core_ioremap(&dev_priv->ring.map, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | |
| 186 | if (dev_priv->ring.map.handle == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | i915_dma_cleanup(dev); |
| 188 | DRM_ERROR("can not ioremap virtual address for" |
| 189 | " ring buffer\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 190 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | dev_priv->ring.virtual_start = dev_priv->ring.map.handle; |
| 194 | |
=?utf-8?q?Michel_D=C3=A4nzer?= | a6b54f3 | 2006-10-24 23:37:43 +1000 | [diff] [blame] | 195 | dev_priv->cpp = init->cpp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | dev_priv->back_offset = init->back_offset; |
| 197 | dev_priv->front_offset = init->front_offset; |
| 198 | dev_priv->current_page = 0; |
| 199 | dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; |
| 200 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | /* Allow hardware batchbuffers unless told otherwise. |
| 202 | */ |
| 203 | dev_priv->allow_batchbuffer = 1; |
| 204 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | return 0; |
| 206 | } |
| 207 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 208 | static int i915_dma_resume(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | { |
| 210 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
| 211 | |
Harvey Harrison | bf9d892 | 2008-04-30 00:55:10 -0700 | [diff] [blame] | 212 | DRM_DEBUG("%s\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | |
| 214 | if (!dev_priv->sarea) { |
| 215 | DRM_ERROR("can not find sarea!\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 216 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | } |
| 218 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | if (dev_priv->ring.map.handle == NULL) { |
| 220 | DRM_ERROR("can not ioremap virtual address for" |
| 221 | " ring buffer\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 222 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | /* Program Hardware Status Page */ |
| 226 | if (!dev_priv->hw_status_page) { |
| 227 | DRM_ERROR("Can not find hardware status page\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 228 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | } |
| 230 | DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); |
| 231 | |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 232 | if (dev_priv->status_gfx_addr != 0) |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 233 | I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 234 | else |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 235 | I915_WRITE(HWS_PGA, dev_priv->dma_status_page); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | DRM_DEBUG("Enabled hardware status page\n"); |
| 237 | |
| 238 | return 0; |
| 239 | } |
| 240 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 241 | static int i915_dma_init(struct drm_device *dev, void *data, |
| 242 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | { |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 244 | drm_i915_init_t *init = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | int retcode = 0; |
| 246 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 247 | switch (init->func) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | case I915_INIT_DMA: |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 249 | retcode = i915_initialize(dev, init); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | break; |
| 251 | case I915_CLEANUP_DMA: |
| 252 | retcode = i915_dma_cleanup(dev); |
| 253 | break; |
| 254 | case I915_RESUME_DMA: |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 255 | retcode = i915_dma_resume(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | break; |
| 257 | default: |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 258 | retcode = -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | break; |
| 260 | } |
| 261 | |
| 262 | return retcode; |
| 263 | } |
| 264 | |
| 265 | /* Implement basically the same security restrictions as hardware does |
| 266 | * for MI_BATCH_NON_SECURE. These can be made stricter at any time. |
| 267 | * |
| 268 | * Most of the calculations below involve calculating the size of a |
| 269 | * particular instruction. It's important to get the size right as |
| 270 | * that tells us where the next instruction to check is. Any illegal |
| 271 | * instruction detected will be given a size of zero, which is a |
| 272 | * signal to abort the rest of the buffer. |
| 273 | */ |
| 274 | static int do_validate_cmd(int cmd) |
| 275 | { |
| 276 | switch (((cmd >> 29) & 0x7)) { |
| 277 | case 0x0: |
| 278 | switch ((cmd >> 23) & 0x3f) { |
| 279 | case 0x0: |
| 280 | return 1; /* MI_NOOP */ |
| 281 | case 0x4: |
| 282 | return 1; /* MI_FLUSH */ |
| 283 | default: |
| 284 | return 0; /* disallow everything else */ |
| 285 | } |
| 286 | break; |
| 287 | case 0x1: |
| 288 | return 0; /* reserved */ |
| 289 | case 0x2: |
| 290 | return (cmd & 0xff) + 2; /* 2d commands */ |
| 291 | case 0x3: |
| 292 | if (((cmd >> 24) & 0x1f) <= 0x18) |
| 293 | return 1; |
| 294 | |
| 295 | switch ((cmd >> 24) & 0x1f) { |
| 296 | case 0x1c: |
| 297 | return 1; |
| 298 | case 0x1d: |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 299 | switch ((cmd >> 16) & 0xff) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | case 0x3: |
| 301 | return (cmd & 0x1f) + 2; |
| 302 | case 0x4: |
| 303 | return (cmd & 0xf) + 2; |
| 304 | default: |
| 305 | return (cmd & 0xffff) + 2; |
| 306 | } |
| 307 | case 0x1e: |
| 308 | if (cmd & (1 << 23)) |
| 309 | return (cmd & 0xffff) + 1; |
| 310 | else |
| 311 | return 1; |
| 312 | case 0x1f: |
| 313 | if ((cmd & (1 << 23)) == 0) /* inline vertices */ |
| 314 | return (cmd & 0x1ffff) + 2; |
| 315 | else if (cmd & (1 << 17)) /* indirect random */ |
| 316 | if ((cmd & 0xffff) == 0) |
| 317 | return 0; /* unknown length, too hard */ |
| 318 | else |
| 319 | return (((cmd & 0xffff) + 1) / 2) + 1; |
| 320 | else |
| 321 | return 2; /* indirect sequential */ |
| 322 | default: |
| 323 | return 0; |
| 324 | } |
| 325 | default: |
| 326 | return 0; |
| 327 | } |
| 328 | |
| 329 | return 0; |
| 330 | } |
| 331 | |
| 332 | static int validate_cmd(int cmd) |
| 333 | { |
| 334 | int ret = do_validate_cmd(cmd); |
| 335 | |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 336 | /* printk("validate_cmd( %x ): %d\n", cmd, ret); */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | |
| 338 | return ret; |
| 339 | } |
| 340 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 341 | static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwords) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | { |
| 343 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 344 | int i; |
| 345 | RING_LOCALS; |
| 346 | |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 347 | if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 348 | return -EINVAL; |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 349 | |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 350 | BEGIN_LP_RING((dwords+1)&~1); |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 351 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | for (i = 0; i < dwords;) { |
| 353 | int cmd, sz; |
| 354 | |
| 355 | if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd))) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 356 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 359 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | OUT_RING(cmd); |
| 362 | |
| 363 | while (++i, --sz) { |
| 364 | if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], |
| 365 | sizeof(cmd))) { |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 366 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | } |
| 368 | OUT_RING(cmd); |
| 369 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | } |
| 371 | |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 372 | if (dwords & 1) |
| 373 | OUT_RING(0); |
| 374 | |
| 375 | ADVANCE_LP_RING(); |
| 376 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | return 0; |
| 378 | } |
| 379 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 380 | static int i915_emit_box(struct drm_device * dev, |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 381 | struct drm_clip_rect __user * boxes, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | int i, int DR1, int DR4) |
| 383 | { |
| 384 | drm_i915_private_t *dev_priv = dev->dev_private; |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 385 | struct drm_clip_rect box; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | RING_LOCALS; |
| 387 | |
| 388 | if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) { |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 389 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { |
| 393 | DRM_ERROR("Bad box %d,%d..%d,%d\n", |
| 394 | box.x1, box.y1, box.x2, box.y2); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 395 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | } |
| 397 | |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 398 | if (IS_I965G(dev)) { |
| 399 | BEGIN_LP_RING(4); |
| 400 | OUT_RING(GFX_OP_DRAWRECT_INFO_I965); |
| 401 | OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); |
Andrew Morton | 78eca43 | 2006-08-16 09:15:51 +1000 | [diff] [blame] | 402 | OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 403 | OUT_RING(DR4); |
| 404 | ADVANCE_LP_RING(); |
| 405 | } else { |
| 406 | BEGIN_LP_RING(6); |
| 407 | OUT_RING(GFX_OP_DRAWRECT_INFO); |
| 408 | OUT_RING(DR1); |
| 409 | OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); |
| 410 | OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); |
| 411 | OUT_RING(DR4); |
| 412 | OUT_RING(0); |
| 413 | ADVANCE_LP_RING(); |
| 414 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | |
| 416 | return 0; |
| 417 | } |
| 418 | |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 419 | /* XXX: Emitting the counter should really be moved to part of the IRQ |
| 420 | * emit. For now, do it in both places: |
| 421 | */ |
| 422 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 423 | static void i915_emit_breadcrumb(struct drm_device *dev) |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 424 | { |
| 425 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 426 | RING_LOCALS; |
| 427 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 428 | dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter; |
Alan Hourihane | c29b669 | 2006-08-12 16:29:24 +1000 | [diff] [blame] | 429 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 430 | if (dev_priv->counter > 0x7FFFFFFFUL) |
| 431 | dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1; |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 432 | |
| 433 | BEGIN_LP_RING(4); |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 434 | OUT_RING(MI_STORE_DWORD_INDEX); |
| 435 | OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT); |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 436 | OUT_RING(dev_priv->counter); |
| 437 | OUT_RING(0); |
| 438 | ADVANCE_LP_RING(); |
| 439 | } |
| 440 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 441 | static int i915_dispatch_cmdbuffer(struct drm_device * dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | drm_i915_cmdbuffer_t * cmd) |
| 443 | { |
| 444 | int nbox = cmd->num_cliprects; |
| 445 | int i = 0, count, ret; |
| 446 | |
| 447 | if (cmd->sz & 0x3) { |
| 448 | DRM_ERROR("alignment"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 449 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | } |
| 451 | |
| 452 | i915_kernel_lost_context(dev); |
| 453 | |
| 454 | count = nbox ? nbox : 1; |
| 455 | |
| 456 | for (i = 0; i < count; i++) { |
| 457 | if (i < nbox) { |
| 458 | ret = i915_emit_box(dev, cmd->cliprects, i, |
| 459 | cmd->DR1, cmd->DR4); |
| 460 | if (ret) |
| 461 | return ret; |
| 462 | } |
| 463 | |
| 464 | ret = i915_emit_cmds(dev, (int __user *)cmd->buf, cmd->sz / 4); |
| 465 | if (ret) |
| 466 | return ret; |
| 467 | } |
| 468 | |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 469 | i915_emit_breadcrumb(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | return 0; |
| 471 | } |
| 472 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 473 | static int i915_dispatch_batchbuffer(struct drm_device * dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | drm_i915_batchbuffer_t * batch) |
| 475 | { |
| 476 | drm_i915_private_t *dev_priv = dev->dev_private; |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 477 | struct drm_clip_rect __user *boxes = batch->cliprects; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | int nbox = batch->num_cliprects; |
| 479 | int i = 0, count; |
| 480 | RING_LOCALS; |
| 481 | |
| 482 | if ((batch->start | batch->used) & 0x7) { |
| 483 | DRM_ERROR("alignment"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 484 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | i915_kernel_lost_context(dev); |
| 488 | |
| 489 | count = nbox ? nbox : 1; |
| 490 | |
| 491 | for (i = 0; i < count; i++) { |
| 492 | if (i < nbox) { |
| 493 | int ret = i915_emit_box(dev, boxes, i, |
| 494 | batch->DR1, batch->DR4); |
| 495 | if (ret) |
| 496 | return ret; |
| 497 | } |
| 498 | |
Keith Packard | 0790d5e | 2008-07-30 12:28:47 -0700 | [diff] [blame] | 499 | if (!IS_I830(dev) && !IS_845G(dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | BEGIN_LP_RING(2); |
Dave Airlie | 21f1628 | 2007-08-07 09:09:51 +1000 | [diff] [blame] | 501 | if (IS_I965G(dev)) { |
| 502 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965); |
| 503 | OUT_RING(batch->start); |
| 504 | } else { |
| 505 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); |
| 506 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); |
| 507 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | ADVANCE_LP_RING(); |
| 509 | } else { |
| 510 | BEGIN_LP_RING(4); |
| 511 | OUT_RING(MI_BATCH_BUFFER); |
| 512 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); |
| 513 | OUT_RING(batch->start + batch->used - 4); |
| 514 | OUT_RING(0); |
| 515 | ADVANCE_LP_RING(); |
| 516 | } |
| 517 | } |
| 518 | |
Dave Airlie | de227f5 | 2006-01-25 15:31:43 +1100 | [diff] [blame] | 519 | i915_emit_breadcrumb(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
| 521 | return 0; |
| 522 | } |
| 523 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 524 | static int i915_dispatch_flip(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | { |
| 526 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 527 | RING_LOCALS; |
| 528 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 529 | DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", |
Harvey Harrison | 80a914d | 2008-10-15 22:01:25 -0700 | [diff] [blame] | 530 | __func__, |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 531 | dev_priv->current_page, |
| 532 | dev_priv->sarea_priv->pf_current_page); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 534 | i915_kernel_lost_context(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 536 | BEGIN_LP_RING(2); |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 537 | OUT_RING(MI_FLUSH | MI_READ_FLUSH); |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 538 | OUT_RING(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | ADVANCE_LP_RING(); |
| 540 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 541 | BEGIN_LP_RING(6); |
| 542 | OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); |
| 543 | OUT_RING(0); |
| 544 | if (dev_priv->current_page == 0) { |
| 545 | OUT_RING(dev_priv->back_offset); |
| 546 | dev_priv->current_page = 1; |
| 547 | } else { |
| 548 | OUT_RING(dev_priv->front_offset); |
| 549 | dev_priv->current_page = 0; |
| 550 | } |
| 551 | OUT_RING(0); |
| 552 | ADVANCE_LP_RING(); |
Jesse Barnes | ac741ab | 2008-04-22 16:03:07 +1000 | [diff] [blame] | 553 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 554 | BEGIN_LP_RING(2); |
| 555 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); |
| 556 | OUT_RING(0); |
| 557 | ADVANCE_LP_RING(); |
Jesse Barnes | ac741ab | 2008-04-22 16:03:07 +1000 | [diff] [blame] | 558 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 559 | dev_priv->sarea_priv->last_enqueue = dev_priv->counter++; |
Jesse Barnes | ac741ab | 2008-04-22 16:03:07 +1000 | [diff] [blame] | 560 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 561 | BEGIN_LP_RING(4); |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 562 | OUT_RING(MI_STORE_DWORD_INDEX); |
| 563 | OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT); |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 564 | OUT_RING(dev_priv->counter); |
| 565 | OUT_RING(0); |
| 566 | ADVANCE_LP_RING(); |
Jesse Barnes | ac741ab | 2008-04-22 16:03:07 +1000 | [diff] [blame] | 567 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 568 | dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; |
| 569 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | } |
| 571 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 572 | static int i915_quiescent(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | { |
| 574 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 575 | |
| 576 | i915_kernel_lost_context(dev); |
Harvey Harrison | bf9d892 | 2008-04-30 00:55:10 -0700 | [diff] [blame] | 577 | return i915_wait_ring(dev, dev_priv->ring.Size - 8, __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | } |
| 579 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 580 | static int i915_flush_ioctl(struct drm_device *dev, void *data, |
| 581 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | { |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 583 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 584 | |
| 585 | return i915_quiescent(dev); |
| 586 | } |
| 587 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 588 | static int i915_batchbuffer(struct drm_device *dev, void *data, |
| 589 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 591 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 592 | u32 *hw_status = dev_priv->hw_status_page; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
| 594 | dev_priv->sarea_priv; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 595 | drm_i915_batchbuffer_t *batch = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | int ret; |
| 597 | |
| 598 | if (!dev_priv->allow_batchbuffer) { |
| 599 | DRM_ERROR("Batchbuffer ioctl disabled\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 600 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | } |
| 602 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n", |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 604 | batch->start, batch->used, batch->num_cliprects); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 606 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 608 | if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects, |
| 609 | batch->num_cliprects * |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 610 | sizeof(struct drm_clip_rect))) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 611 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 613 | ret = i915_dispatch_batchbuffer(dev, batch); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 615 | sarea_priv->last_dispatch = (int)hw_status[5]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | return ret; |
| 617 | } |
| 618 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 619 | static int i915_cmdbuffer(struct drm_device *dev, void *data, |
| 620 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 623 | u32 *hw_status = dev_priv->hw_status_page; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
| 625 | dev_priv->sarea_priv; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 626 | drm_i915_cmdbuffer_t *cmdbuf = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 627 | int ret; |
| 628 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 630 | cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 632 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 634 | if (cmdbuf->num_cliprects && |
| 635 | DRM_VERIFYAREA_READ(cmdbuf->cliprects, |
| 636 | cmdbuf->num_cliprects * |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 637 | sizeof(struct drm_clip_rect))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 638 | DRM_ERROR("Fault accessing cliprects\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 639 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | } |
| 641 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 642 | ret = i915_dispatch_cmdbuffer(dev, cmdbuf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | if (ret) { |
| 644 | DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); |
| 645 | return ret; |
| 646 | } |
| 647 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 648 | sarea_priv->last_dispatch = (int)hw_status[5]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | return 0; |
| 650 | } |
| 651 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 652 | static int i915_flip_bufs(struct drm_device *dev, void *data, |
| 653 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | { |
Harvey Harrison | 80a914d | 2008-10-15 22:01:25 -0700 | [diff] [blame] | 655 | DRM_DEBUG("%s\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 657 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 659 | return i915_dispatch_flip(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | } |
| 661 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 662 | static int i915_getparam(struct drm_device *dev, void *data, |
| 663 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | drm_i915_private_t *dev_priv = dev->dev_private; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 666 | drm_i915_getparam_t *param = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | int value; |
| 668 | |
| 669 | if (!dev_priv) { |
Márton Németh | 3e684ea | 2008-01-24 15:58:57 +1000 | [diff] [blame] | 670 | DRM_ERROR("called with no initialization\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 671 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | } |
| 673 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 674 | switch (param->param) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | case I915_PARAM_IRQ_ACTIVE: |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 676 | value = dev->irq_enabled; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | break; |
| 678 | case I915_PARAM_ALLOW_BATCHBUFFER: |
| 679 | value = dev_priv->allow_batchbuffer ? 1 : 0; |
| 680 | break; |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 681 | case I915_PARAM_LAST_DISPATCH: |
| 682 | value = READ_BREADCRUMB(dev_priv); |
| 683 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | default: |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 685 | DRM_ERROR("Unknown parameter %d\n", param->param); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 686 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | } |
| 688 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 689 | if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 690 | DRM_ERROR("DRM_COPY_TO_USER failed\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 691 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | return 0; |
| 695 | } |
| 696 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 697 | static int i915_setparam(struct drm_device *dev, void *data, |
| 698 | struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | drm_i915_private_t *dev_priv = dev->dev_private; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 701 | drm_i915_setparam_t *param = data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | |
| 703 | if (!dev_priv) { |
Márton Németh | 3e684ea | 2008-01-24 15:58:57 +1000 | [diff] [blame] | 704 | DRM_ERROR("called with no initialization\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 705 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | } |
| 707 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 708 | switch (param->param) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | case I915_SETPARAM_USE_MI_BATCHBUFFER_START: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | break; |
| 711 | case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 712 | dev_priv->tex_lru_log_granularity = param->value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | break; |
| 714 | case I915_SETPARAM_ALLOW_BATCHBUFFER: |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 715 | dev_priv->allow_batchbuffer = param->value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | break; |
| 717 | default: |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 718 | DRM_ERROR("unknown parameter %d\n", param->param); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 719 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | } |
| 721 | |
| 722 | return 0; |
| 723 | } |
| 724 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 725 | static int i915_set_status_page(struct drm_device *dev, void *data, |
| 726 | struct drm_file *file_priv) |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 727 | { |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 728 | drm_i915_private_t *dev_priv = dev->dev_private; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 729 | drm_i915_hws_addr_t *hws = data; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 730 | |
Zhenyu Wang | b39d50e | 2008-02-19 20:59:09 +1000 | [diff] [blame] | 731 | if (!I915_NEED_GFX_HWS(dev)) |
| 732 | return -EINVAL; |
| 733 | |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 734 | if (!dev_priv) { |
Márton Németh | 3e684ea | 2008-01-24 15:58:57 +1000 | [diff] [blame] | 735 | DRM_ERROR("called with no initialization\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 736 | return -EINVAL; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 737 | } |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 738 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 739 | printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr); |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 740 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 741 | dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); |
| 742 | |
Eric Anholt | 8b40958 | 2007-11-22 16:40:37 +1000 | [diff] [blame] | 743 | dev_priv->hws_map.offset = dev->agp->base + hws->addr; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 744 | dev_priv->hws_map.size = 4*1024; |
| 745 | dev_priv->hws_map.type = 0; |
| 746 | dev_priv->hws_map.flags = 0; |
| 747 | dev_priv->hws_map.mtrr = 0; |
| 748 | |
| 749 | drm_core_ioremap(&dev_priv->hws_map, dev); |
| 750 | if (dev_priv->hws_map.handle == NULL) { |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 751 | i915_dma_cleanup(dev); |
| 752 | dev_priv->status_gfx_addr = 0; |
| 753 | DRM_ERROR("can not ioremap virtual address for" |
| 754 | " G33 hw status page\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 755 | return -ENOMEM; |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 756 | } |
| 757 | dev_priv->hw_status_page = dev_priv->hws_map.handle; |
| 758 | |
| 759 | memset(dev_priv->hw_status_page, 0, PAGE_SIZE); |
Jesse Barnes | 585fb11 | 2008-07-29 11:54:06 -0700 | [diff] [blame] | 760 | I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); |
| 761 | DRM_DEBUG("load hws HWS_PGA with gfx mem 0x%x\n", |
Wang Zhenyu | dc7a931 | 2007-06-10 15:58:19 +1000 | [diff] [blame] | 762 | dev_priv->status_gfx_addr); |
| 763 | DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page); |
| 764 | return 0; |
| 765 | } |
| 766 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 767 | int i915_driver_load(struct drm_device *dev, unsigned long flags) |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 768 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 769 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 770 | unsigned long base, size; |
| 771 | int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1; |
| 772 | |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 773 | /* i915 has 4 more counters */ |
| 774 | dev->counters += 4; |
| 775 | dev->types[6] = _DRM_STAT_IRQ; |
| 776 | dev->types[7] = _DRM_STAT_PRIMARY; |
| 777 | dev->types[8] = _DRM_STAT_SECONDARY; |
| 778 | dev->types[9] = _DRM_STAT_DMA; |
| 779 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 780 | dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER); |
| 781 | if (dev_priv == NULL) |
| 782 | return -ENOMEM; |
| 783 | |
| 784 | memset(dev_priv, 0, sizeof(drm_i915_private_t)); |
| 785 | |
| 786 | dev->dev_private = (void *)dev_priv; |
| 787 | |
| 788 | /* Add register map (needed for suspend/resume) */ |
| 789 | base = drm_get_resource_start(dev, mmio_bar); |
| 790 | size = drm_get_resource_len(dev, mmio_bar); |
| 791 | |
Dave Airlie | e3236a1 | 2007-12-17 09:41:56 +1000 | [diff] [blame] | 792 | ret = drm_addmap(dev, base, size, _DRM_REGISTERS, |
| 793 | _DRM_KERNEL | _DRM_DRIVER, |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 794 | &dev_priv->mmio_map); |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 795 | |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 796 | /* Init HWS */ |
| 797 | if (!I915_NEED_GFX_HWS(dev)) { |
| 798 | ret = i915_init_phys_hws(dev); |
| 799 | if (ret != 0) |
| 800 | return ret; |
| 801 | } |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 802 | |
| 803 | /* On the 945G/GM, the chipset reports the MSI capability on the |
| 804 | * integrated graphics even though the support isn't actually there |
| 805 | * according to the published specs. It doesn't appear to function |
| 806 | * correctly in testing on 945G. |
| 807 | * This may be a side effect of MSI having been made available for PEG |
| 808 | * and the registers being closely associated. |
| 809 | */ |
| 810 | if (!IS_I945G(dev) && !IS_I945GM(dev)) |
| 811 | pci_enable_msi(dev->pdev); |
| 812 | |
Matthew Garrett | 8ee1c3d | 2008-08-05 19:37:25 +0100 | [diff] [blame^] | 813 | intel_opregion_init(dev); |
| 814 | |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 815 | spin_lock_init(&dev_priv->user_irq_lock); |
| 816 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 817 | return ret; |
| 818 | } |
| 819 | |
| 820 | int i915_driver_unload(struct drm_device *dev) |
| 821 | { |
| 822 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 823 | |
Eric Anholt | ed4cb41 | 2008-07-29 12:10:39 -0700 | [diff] [blame] | 824 | if (dev->pdev->msi_enabled) |
| 825 | pci_disable_msi(dev->pdev); |
| 826 | |
Keith Packard | 398c9cb | 2008-07-30 13:03:43 -0700 | [diff] [blame] | 827 | i915_free_hws(dev); |
| 828 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 829 | if (dev_priv->mmio_map) |
| 830 | drm_rmmap(dev, dev_priv->mmio_map); |
| 831 | |
Matthew Garrett | 8ee1c3d | 2008-08-05 19:37:25 +0100 | [diff] [blame^] | 832 | intel_opregion_free(dev); |
| 833 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 834 | drm_free(dev->dev_private, sizeof(drm_i915_private_t), |
| 835 | DRM_MEM_DRIVER); |
| 836 | |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 837 | return 0; |
| 838 | } |
| 839 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 840 | void i915_driver_lastclose(struct drm_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 842 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 843 | |
Dave Airlie | 144a75f | 2008-03-30 07:53:58 +1000 | [diff] [blame] | 844 | if (!dev_priv) |
| 845 | return; |
| 846 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 847 | if (dev_priv->agp_heap) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 848 | i915_mem_takedown(&(dev_priv->agp_heap)); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 849 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 850 | i915_dma_cleanup(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 851 | } |
| 852 | |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 853 | void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 854 | { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 855 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 856 | i915_mem_release(dev, file_priv, dev_priv->agp_heap); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | } |
| 858 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 859 | struct drm_ioctl_desc i915_ioctls[] = { |
| 860 | DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 861 | DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH), |
| 862 | DRM_IOCTL_DEF(DRM_I915_FLIP, i915_flip_bufs, DRM_AUTH), |
| 863 | DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), |
| 864 | DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), |
| 865 | DRM_IOCTL_DEF(DRM_I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), |
| 866 | DRM_IOCTL_DEF(DRM_I915_GETPARAM, i915_getparam, DRM_AUTH), |
| 867 | DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 868 | DRM_IOCTL_DEF(DRM_I915_ALLOC, i915_mem_alloc, DRM_AUTH), |
| 869 | DRM_IOCTL_DEF(DRM_I915_FREE, i915_mem_free, DRM_AUTH), |
| 870 | DRM_IOCTL_DEF(DRM_I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| 871 | DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), |
| 872 | DRM_IOCTL_DEF(DRM_I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), |
| 873 | DRM_IOCTL_DEF(DRM_I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), |
| 874 | DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH ), |
| 875 | DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), |
| 876 | DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH), |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 877 | }; |
| 878 | |
| 879 | int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 880 | |
| 881 | /** |
| 882 | * Determine if the device really is AGP or not. |
| 883 | * |
| 884 | * All Intel graphics chipsets are treated as AGP, even if they are really |
| 885 | * PCI-e. |
| 886 | * |
| 887 | * \param dev The device to be tested. |
| 888 | * |
| 889 | * \returns |
| 890 | * A value of 1 is always retured to indictate every i9x5 is AGP. |
| 891 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 892 | int i915_driver_device_is_agp(struct drm_device * dev) |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 893 | { |
| 894 | return 1; |
| 895 | } |