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1da177e4 LT |
1 | /* i830_dma.c -- DMA support for the I830 -*- linux-c -*- |
2 | * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com | |
3 | * | |
4 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. | |
5 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. | |
6 | * All Rights Reserved. | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the "Software"), | |
10 | * to deal in the Software without restriction, including without limitation | |
11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
12 | * and/or sell copies of the Software, and to permit persons to whom the | |
13 | * Software is furnished to do so, subject to the following conditions: | |
b5e89ed5 | 14 | * |
1da177e4 LT |
15 | * The above copyright notice and this permission notice (including the next |
16 | * paragraph) shall be included in all copies or substantial portions of the | |
17 | * Software. | |
b5e89ed5 | 18 | * |
1da177e4 LT |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
22 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
23 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
24 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
25 | * DEALINGS IN THE SOFTWARE. | |
26 | * | |
27 | * Authors: Rickard E. (Rik) Faith <faith@valinux.com> | |
28 | * Jeff Hartmann <jhartmann@valinux.com> | |
29 | * Keith Whitwell <keith@tungstengraphics.com> | |
30 | * Abraham vd Merwe <abraham@2d3d.co.za> | |
31 | * | |
32 | */ | |
33 | ||
34 | #include "drmP.h" | |
35 | #include "drm.h" | |
36 | #include "i830_drm.h" | |
37 | #include "i830_drv.h" | |
38 | #include <linux/interrupt.h> /* For task queue support */ | |
39 | #include <linux/pagemap.h> /* For FASTCALL on unlock_page() */ | |
40 | #include <linux/delay.h> | |
41 | #include <asm/uaccess.h> | |
42 | ||
43 | #define I830_BUF_FREE 2 | |
44 | #define I830_BUF_CLIENT 1 | |
45 | #define I830_BUF_HARDWARE 0 | |
46 | ||
47 | #define I830_BUF_UNMAPPED 0 | |
48 | #define I830_BUF_MAPPED 1 | |
49 | ||
056219e2 | 50 | static struct drm_buf *i830_freelist_get(struct drm_device * dev) |
1da177e4 | 51 | { |
cdd55a29 | 52 | struct drm_device_dma *dma = dev->dma; |
b5e89ed5 DA |
53 | int i; |
54 | int used; | |
55 | ||
1da177e4 LT |
56 | /* Linear search might not be the best solution */ |
57 | ||
b5e89ed5 | 58 | for (i = 0; i < dma->buf_count; i++) { |
056219e2 | 59 | struct drm_buf *buf = dma->buflist[i]; |
b5e89ed5 | 60 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; |
1da177e4 | 61 | /* In use is already a pointer */ |
b5e89ed5 | 62 | used = cmpxchg(buf_priv->in_use, I830_BUF_FREE, |
1da177e4 | 63 | I830_BUF_CLIENT); |
b5e89ed5 | 64 | if (used == I830_BUF_FREE) { |
1da177e4 LT |
65 | return buf; |
66 | } | |
67 | } | |
b5e89ed5 | 68 | return NULL; |
1da177e4 LT |
69 | } |
70 | ||
71 | /* This should only be called if the buffer is not sent to the hardware | |
72 | * yet, the hardware updates in use for us once its on the ring buffer. | |
73 | */ | |
74 | ||
056219e2 | 75 | static int i830_freelist_put(struct drm_device * dev, struct drm_buf * buf) |
1da177e4 | 76 | { |
b5e89ed5 DA |
77 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; |
78 | int used; | |
79 | ||
80 | /* In use is already a pointer */ | |
81 | used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE); | |
82 | if (used != I830_BUF_CLIENT) { | |
83 | DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); | |
84 | return -EINVAL; | |
1da177e4 | 85 | } |
b5e89ed5 DA |
86 | |
87 | return 0; | |
1da177e4 LT |
88 | } |
89 | ||
c94f7029 | 90 | static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma) |
1da177e4 | 91 | { |
eddca551 DA |
92 | struct drm_file *priv = filp->private_data; |
93 | struct drm_device *dev; | |
b5e89ed5 | 94 | drm_i830_private_t *dev_priv; |
056219e2 | 95 | struct drm_buf *buf; |
1da177e4 LT |
96 | drm_i830_buf_priv_t *buf_priv; |
97 | ||
98 | lock_kernel(); | |
b5e89ed5 | 99 | dev = priv->head->dev; |
1da177e4 | 100 | dev_priv = dev->dev_private; |
b5e89ed5 | 101 | buf = dev_priv->mmap_buffer; |
1da177e4 | 102 | buf_priv = buf->dev_private; |
b5e89ed5 | 103 | |
1da177e4 LT |
104 | vma->vm_flags |= (VM_IO | VM_DONTCOPY); |
105 | vma->vm_file = filp; | |
b5e89ed5 DA |
106 | |
107 | buf_priv->currently_mapped = I830_BUF_MAPPED; | |
1da177e4 LT |
108 | unlock_kernel(); |
109 | ||
110 | if (io_remap_pfn_range(vma, vma->vm_start, | |
3d77461e | 111 | vma->vm_pgoff, |
b5e89ed5 DA |
112 | vma->vm_end - vma->vm_start, vma->vm_page_prot)) |
113 | return -EAGAIN; | |
1da177e4 LT |
114 | return 0; |
115 | } | |
116 | ||
2b8693c0 | 117 | static const struct file_operations i830_buffer_fops = { |
b5e89ed5 | 118 | .open = drm_open, |
c94f7029 | 119 | .release = drm_release, |
b5e89ed5 DA |
120 | .ioctl = drm_ioctl, |
121 | .mmap = i830_mmap_buffers, | |
122 | .fasync = drm_fasync, | |
c94f7029 DA |
123 | }; |
124 | ||
6c340eac | 125 | static int i830_map_buffer(struct drm_buf * buf, struct drm_file *file_priv) |
1da177e4 | 126 | { |
6c340eac | 127 | struct drm_device *dev = file_priv->head->dev; |
1da177e4 | 128 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; |
b5e89ed5 | 129 | drm_i830_private_t *dev_priv = dev->dev_private; |
99ac48f5 | 130 | const struct file_operations *old_fops; |
1da177e4 LT |
131 | unsigned long virtual; |
132 | int retcode = 0; | |
133 | ||
b5e89ed5 DA |
134 | if (buf_priv->currently_mapped == I830_BUF_MAPPED) |
135 | return -EINVAL; | |
1da177e4 | 136 | |
b5e89ed5 | 137 | down_write(¤t->mm->mmap_sem); |
6c340eac EA |
138 | old_fops = file_priv->filp->f_op; |
139 | file_priv->filp->f_op = &i830_buffer_fops; | |
1da177e4 | 140 | dev_priv->mmap_buffer = buf; |
6c340eac | 141 | virtual = do_mmap(file_priv->filp, 0, buf->total, PROT_READ | PROT_WRITE, |
b5e89ed5 | 142 | MAP_SHARED, buf->bus_address); |
1da177e4 | 143 | dev_priv->mmap_buffer = NULL; |
6c340eac | 144 | file_priv->filp->f_op = old_fops; |
b5e89ed5 | 145 | if (IS_ERR((void *)virtual)) { /* ugh */ |
1da177e4 LT |
146 | /* Real error */ |
147 | DRM_ERROR("mmap error\n"); | |
c7aed179 | 148 | retcode = PTR_ERR((void *)virtual); |
1da177e4 LT |
149 | buf_priv->virtual = NULL; |
150 | } else { | |
151 | buf_priv->virtual = (void __user *)virtual; | |
152 | } | |
b5e89ed5 | 153 | up_write(¤t->mm->mmap_sem); |
1da177e4 LT |
154 | |
155 | return retcode; | |
156 | } | |
157 | ||
056219e2 | 158 | static int i830_unmap_buffer(struct drm_buf * buf) |
1da177e4 LT |
159 | { |
160 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; | |
161 | int retcode = 0; | |
162 | ||
b5e89ed5 | 163 | if (buf_priv->currently_mapped != I830_BUF_MAPPED) |
1da177e4 LT |
164 | return -EINVAL; |
165 | ||
166 | down_write(¤t->mm->mmap_sem); | |
167 | retcode = do_munmap(current->mm, | |
168 | (unsigned long)buf_priv->virtual, | |
169 | (size_t) buf->total); | |
170 | up_write(¤t->mm->mmap_sem); | |
171 | ||
b5e89ed5 DA |
172 | buf_priv->currently_mapped = I830_BUF_UNMAPPED; |
173 | buf_priv->virtual = NULL; | |
1da177e4 LT |
174 | |
175 | return retcode; | |
176 | } | |
177 | ||
eddca551 | 178 | static int i830_dma_get_buffer(struct drm_device * dev, drm_i830_dma_t * d, |
6c340eac | 179 | struct drm_file *file_priv) |
1da177e4 | 180 | { |
056219e2 | 181 | struct drm_buf *buf; |
1da177e4 LT |
182 | drm_i830_buf_priv_t *buf_priv; |
183 | int retcode = 0; | |
184 | ||
185 | buf = i830_freelist_get(dev); | |
186 | if (!buf) { | |
187 | retcode = -ENOMEM; | |
b5e89ed5 | 188 | DRM_DEBUG("retcode=%d\n", retcode); |
1da177e4 LT |
189 | return retcode; |
190 | } | |
b5e89ed5 | 191 | |
6c340eac | 192 | retcode = i830_map_buffer(buf, file_priv); |
b5e89ed5 | 193 | if (retcode) { |
1da177e4 | 194 | i830_freelist_put(dev, buf); |
b5e89ed5 | 195 | DRM_ERROR("mapbuf failed, retcode %d\n", retcode); |
1da177e4 LT |
196 | return retcode; |
197 | } | |
6c340eac | 198 | buf->file_priv = file_priv; |
b5e89ed5 | 199 | buf_priv = buf->dev_private; |
1da177e4 | 200 | d->granted = 1; |
b5e89ed5 DA |
201 | d->request_idx = buf->idx; |
202 | d->request_size = buf->total; | |
203 | d->virtual = buf_priv->virtual; | |
1da177e4 LT |
204 | |
205 | return retcode; | |
206 | } | |
207 | ||
eddca551 | 208 | static int i830_dma_cleanup(struct drm_device * dev) |
1da177e4 | 209 | { |
cdd55a29 | 210 | struct drm_device_dma *dma = dev->dma; |
1da177e4 LT |
211 | |
212 | /* Make sure interrupts are disabled here because the uninstall ioctl | |
213 | * may not have been called from userspace and after dev_private | |
214 | * is freed, it's too late. | |
215 | */ | |
b5e89ed5 DA |
216 | if (dev->irq_enabled) |
217 | drm_irq_uninstall(dev); | |
1da177e4 LT |
218 | |
219 | if (dev->dev_private) { | |
220 | int i; | |
b5e89ed5 DA |
221 | drm_i830_private_t *dev_priv = |
222 | (drm_i830_private_t *) dev->dev_private; | |
223 | ||
224 | if (dev_priv->ring.virtual_start) { | |
b9094d3a | 225 | drm_core_ioremapfree(&dev_priv->ring.map, dev); |
1da177e4 | 226 | } |
b5e89ed5 | 227 | if (dev_priv->hw_status_page) { |
1da177e4 LT |
228 | pci_free_consistent(dev->pdev, PAGE_SIZE, |
229 | dev_priv->hw_status_page, | |
230 | dev_priv->dma_status_page); | |
b5e89ed5 DA |
231 | /* Need to rewrite hardware status page */ |
232 | I830_WRITE(0x02080, 0x1ffff000); | |
1da177e4 LT |
233 | } |
234 | ||
b5e89ed5 | 235 | drm_free(dev->dev_private, sizeof(drm_i830_private_t), |
1da177e4 | 236 | DRM_MEM_DRIVER); |
b5e89ed5 | 237 | dev->dev_private = NULL; |
1da177e4 LT |
238 | |
239 | for (i = 0; i < dma->buf_count; i++) { | |
056219e2 | 240 | struct drm_buf *buf = dma->buflist[i]; |
1da177e4 | 241 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; |
b5e89ed5 | 242 | if (buf_priv->kernel_virtual && buf->total) |
b9094d3a | 243 | drm_core_ioremapfree(&buf_priv->map, dev); |
1da177e4 LT |
244 | } |
245 | } | |
b5e89ed5 | 246 | return 0; |
1da177e4 LT |
247 | } |
248 | ||
eddca551 | 249 | int i830_wait_ring(struct drm_device * dev, int n, const char *caller) |
1da177e4 | 250 | { |
b5e89ed5 DA |
251 | drm_i830_private_t *dev_priv = dev->dev_private; |
252 | drm_i830_ring_buffer_t *ring = &(dev_priv->ring); | |
253 | int iters = 0; | |
254 | unsigned long end; | |
1da177e4 LT |
255 | unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; |
256 | ||
b5e89ed5 DA |
257 | end = jiffies + (HZ * 3); |
258 | while (ring->space < n) { | |
259 | ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; | |
260 | ring->space = ring->head - (ring->tail + 8); | |
261 | if (ring->space < 0) | |
262 | ring->space += ring->Size; | |
263 | ||
1da177e4 | 264 | if (ring->head != last_head) { |
b5e89ed5 | 265 | end = jiffies + (HZ * 3); |
1da177e4 LT |
266 | last_head = ring->head; |
267 | } | |
b5e89ed5 DA |
268 | |
269 | iters++; | |
270 | if (time_before(end, jiffies)) { | |
271 | DRM_ERROR("space: %d wanted %d\n", ring->space, n); | |
272 | DRM_ERROR("lockup\n"); | |
273 | goto out_wait_ring; | |
1da177e4 LT |
274 | } |
275 | udelay(1); | |
276 | dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT; | |
277 | } | |
278 | ||
b5e89ed5 DA |
279 | out_wait_ring: |
280 | return iters; | |
1da177e4 LT |
281 | } |
282 | ||
eddca551 | 283 | static void i830_kernel_lost_context(struct drm_device * dev) |
1da177e4 | 284 | { |
b5e89ed5 DA |
285 | drm_i830_private_t *dev_priv = dev->dev_private; |
286 | drm_i830_ring_buffer_t *ring = &(dev_priv->ring); | |
287 | ||
288 | ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; | |
289 | ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; | |
290 | ring->space = ring->head - (ring->tail + 8); | |
291 | if (ring->space < 0) | |
292 | ring->space += ring->Size; | |
1da177e4 LT |
293 | |
294 | if (ring->head == ring->tail) | |
295 | dev_priv->sarea_priv->perf_boxes |= I830_BOX_RING_EMPTY; | |
296 | } | |
297 | ||
eddca551 | 298 | static int i830_freelist_init(struct drm_device * dev, drm_i830_private_t * dev_priv) |
1da177e4 | 299 | { |
cdd55a29 | 300 | struct drm_device_dma *dma = dev->dma; |
b5e89ed5 DA |
301 | int my_idx = 36; |
302 | u32 *hw_status = (u32 *) (dev_priv->hw_status_page + my_idx); | |
303 | int i; | |
304 | ||
305 | if (dma->buf_count > 1019) { | |
306 | /* Not enough space in the status page for the freelist */ | |
307 | return -EINVAL; | |
1da177e4 LT |
308 | } |
309 | ||
b5e89ed5 | 310 | for (i = 0; i < dma->buf_count; i++) { |
056219e2 | 311 | struct drm_buf *buf = dma->buflist[i]; |
b5e89ed5 | 312 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; |
1da177e4 | 313 | |
b5e89ed5 DA |
314 | buf_priv->in_use = hw_status++; |
315 | buf_priv->my_use_idx = my_idx; | |
316 | my_idx += 4; | |
1da177e4 | 317 | |
b5e89ed5 | 318 | *buf_priv->in_use = I830_BUF_FREE; |
1da177e4 | 319 | |
b9094d3a DA |
320 | buf_priv->map.offset = buf->bus_address; |
321 | buf_priv->map.size = buf->total; | |
322 | buf_priv->map.type = _DRM_AGP; | |
323 | buf_priv->map.flags = 0; | |
324 | buf_priv->map.mtrr = 0; | |
325 | ||
326 | drm_core_ioremap(&buf_priv->map, dev); | |
327 | buf_priv->kernel_virtual = buf_priv->map.handle; | |
1da177e4 LT |
328 | } |
329 | return 0; | |
330 | } | |
331 | ||
eddca551 | 332 | static int i830_dma_initialize(struct drm_device * dev, |
b5e89ed5 DA |
333 | drm_i830_private_t * dev_priv, |
334 | drm_i830_init_t * init) | |
1da177e4 | 335 | { |
55910517 | 336 | struct drm_map_list *r_list; |
1da177e4 | 337 | |
b5e89ed5 | 338 | memset(dev_priv, 0, sizeof(drm_i830_private_t)); |
1da177e4 | 339 | |
bd1b331f | 340 | list_for_each_entry(r_list, &dev->maplist, head) { |
b5e89ed5 | 341 | if (r_list->map && |
1da177e4 | 342 | r_list->map->type == _DRM_SHM && |
b5e89ed5 | 343 | r_list->map->flags & _DRM_CONTAINS_LOCK) { |
1da177e4 | 344 | dev_priv->sarea_map = r_list->map; |
b5e89ed5 DA |
345 | break; |
346 | } | |
347 | } | |
1da177e4 | 348 | |
b5e89ed5 | 349 | if (!dev_priv->sarea_map) { |
1da177e4 LT |
350 | dev->dev_private = (void *)dev_priv; |
351 | i830_dma_cleanup(dev); | |
352 | DRM_ERROR("can not find sarea!\n"); | |
353 | return -EINVAL; | |
354 | } | |
355 | dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); | |
b5e89ed5 | 356 | if (!dev_priv->mmio_map) { |
1da177e4 LT |
357 | dev->dev_private = (void *)dev_priv; |
358 | i830_dma_cleanup(dev); | |
359 | DRM_ERROR("can not find mmio map!\n"); | |
360 | return -EINVAL; | |
361 | } | |
d1f2b55a | 362 | dev->agp_buffer_token = init->buffers_offset; |
1da177e4 | 363 | dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); |
b5e89ed5 | 364 | if (!dev->agp_buffer_map) { |
1da177e4 LT |
365 | dev->dev_private = (void *)dev_priv; |
366 | i830_dma_cleanup(dev); | |
367 | DRM_ERROR("can not find dma buffer map!\n"); | |
368 | return -EINVAL; | |
369 | } | |
370 | ||
371 | dev_priv->sarea_priv = (drm_i830_sarea_t *) | |
b5e89ed5 | 372 | ((u8 *) dev_priv->sarea_map->handle + init->sarea_priv_offset); |
1da177e4 | 373 | |
b5e89ed5 DA |
374 | dev_priv->ring.Start = init->ring_start; |
375 | dev_priv->ring.End = init->ring_end; | |
376 | dev_priv->ring.Size = init->ring_size; | |
1da177e4 | 377 | |
b9094d3a DA |
378 | dev_priv->ring.map.offset = dev->agp->base + init->ring_start; |
379 | dev_priv->ring.map.size = init->ring_size; | |
380 | dev_priv->ring.map.type = _DRM_AGP; | |
381 | dev_priv->ring.map.flags = 0; | |
382 | dev_priv->ring.map.mtrr = 0; | |
383 | ||
384 | drm_core_ioremap(&dev_priv->ring.map, dev); | |
1da177e4 | 385 | |
b9094d3a | 386 | if (dev_priv->ring.map.handle == NULL) { |
b5e89ed5 DA |
387 | dev->dev_private = (void *)dev_priv; |
388 | i830_dma_cleanup(dev); | |
389 | DRM_ERROR("can not ioremap virtual address for" | |
1da177e4 | 390 | " ring buffer\n"); |
20caafa6 | 391 | return -ENOMEM; |
1da177e4 LT |
392 | } |
393 | ||
b9094d3a DA |
394 | dev_priv->ring.virtual_start = dev_priv->ring.map.handle; |
395 | ||
b5e89ed5 DA |
396 | dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; |
397 | ||
1da177e4 LT |
398 | dev_priv->w = init->w; |
399 | dev_priv->h = init->h; | |
400 | dev_priv->pitch = init->pitch; | |
401 | dev_priv->back_offset = init->back_offset; | |
402 | dev_priv->depth_offset = init->depth_offset; | |
403 | dev_priv->front_offset = init->front_offset; | |
404 | ||
405 | dev_priv->front_di1 = init->front_offset | init->pitch_bits; | |
406 | dev_priv->back_di1 = init->back_offset | init->pitch_bits; | |
407 | dev_priv->zi1 = init->depth_offset | init->pitch_bits; | |
408 | ||
b5e89ed5 | 409 | DRM_DEBUG("front_di1 %x\n", dev_priv->front_di1); |
1da177e4 | 410 | DRM_DEBUG("back_offset %x\n", dev_priv->back_offset); |
b5e89ed5 DA |
411 | DRM_DEBUG("back_di1 %x\n", dev_priv->back_di1); |
412 | DRM_DEBUG("pitch_bits %x\n", init->pitch_bits); | |
1da177e4 LT |
413 | |
414 | dev_priv->cpp = init->cpp; | |
415 | /* We are using separate values as placeholders for mechanisms for | |
416 | * private backbuffer/depthbuffer usage. | |
417 | */ | |
418 | ||
419 | dev_priv->back_pitch = init->back_pitch; | |
420 | dev_priv->depth_pitch = init->depth_pitch; | |
421 | dev_priv->do_boxes = 0; | |
422 | dev_priv->use_mi_batchbuffer_start = 0; | |
423 | ||
b5e89ed5 DA |
424 | /* Program Hardware Status Page */ |
425 | dev_priv->hw_status_page = | |
426 | pci_alloc_consistent(dev->pdev, PAGE_SIZE, | |
427 | &dev_priv->dma_status_page); | |
428 | if (!dev_priv->hw_status_page) { | |
1da177e4 LT |
429 | dev->dev_private = (void *)dev_priv; |
430 | i830_dma_cleanup(dev); | |
431 | DRM_ERROR("Can not allocate hardware status page\n"); | |
432 | return -ENOMEM; | |
433 | } | |
b5e89ed5 | 434 | memset(dev_priv->hw_status_page, 0, PAGE_SIZE); |
1da177e4 | 435 | DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); |
b5e89ed5 DA |
436 | |
437 | I830_WRITE(0x02080, dev_priv->dma_status_page); | |
1da177e4 | 438 | DRM_DEBUG("Enabled hardware status page\n"); |
b5e89ed5 DA |
439 | |
440 | /* Now we need to init our freelist */ | |
441 | if (i830_freelist_init(dev, dev_priv) != 0) { | |
1da177e4 | 442 | dev->dev_private = (void *)dev_priv; |
b5e89ed5 DA |
443 | i830_dma_cleanup(dev); |
444 | DRM_ERROR("Not enough space in the status page for" | |
1da177e4 | 445 | " the freelist\n"); |
b5e89ed5 | 446 | return -ENOMEM; |
1da177e4 LT |
447 | } |
448 | dev->dev_private = (void *)dev_priv; | |
449 | ||
b5e89ed5 | 450 | return 0; |
1da177e4 LT |
451 | } |
452 | ||
c153f45f EA |
453 | static int i830_dma_init(struct drm_device *dev, void *data, |
454 | struct drm_file *file_priv) | |
1da177e4 | 455 | { |
b5e89ed5 | 456 | drm_i830_private_t *dev_priv; |
c153f45f | 457 | drm_i830_init_t *init = data; |
b5e89ed5 DA |
458 | int retcode = 0; |
459 | ||
c153f45f | 460 | switch (init->func) { |
b5e89ed5 DA |
461 | case I830_INIT_DMA: |
462 | dev_priv = drm_alloc(sizeof(drm_i830_private_t), | |
463 | DRM_MEM_DRIVER); | |
464 | if (dev_priv == NULL) | |
465 | return -ENOMEM; | |
c153f45f | 466 | retcode = i830_dma_initialize(dev, dev_priv, init); |
b5e89ed5 DA |
467 | break; |
468 | case I830_CLEANUP_DMA: | |
469 | retcode = i830_dma_cleanup(dev); | |
470 | break; | |
471 | default: | |
472 | retcode = -EINVAL; | |
473 | break; | |
1da177e4 | 474 | } |
b5e89ed5 DA |
475 | |
476 | return retcode; | |
1da177e4 LT |
477 | } |
478 | ||
479 | #define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) | |
480 | #define ST1_ENABLE (1<<16) | |
481 | #define ST1_MASK (0xffff) | |
482 | ||
483 | /* Most efficient way to verify state for the i830 is as it is | |
484 | * emitted. Non-conformant state is silently dropped. | |
485 | */ | |
eddca551 | 486 | static void i830EmitContextVerified(struct drm_device * dev, unsigned int *code) |
1da177e4 | 487 | { |
b5e89ed5 | 488 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
489 | int i, j = 0; |
490 | unsigned int tmp; | |
491 | RING_LOCALS; | |
492 | ||
b5e89ed5 | 493 | BEGIN_LP_RING(I830_CTX_SETUP_SIZE + 4); |
1da177e4 | 494 | |
b5e89ed5 | 495 | for (i = 0; i < I830_CTXREG_BLENDCOLR0; i++) { |
1da177e4 | 496 | tmp = code[i]; |
b5e89ed5 DA |
497 | if ((tmp & (7 << 29)) == CMD_3D && |
498 | (tmp & (0x1f << 24)) < (0x1d << 24)) { | |
499 | OUT_RING(tmp); | |
1da177e4 LT |
500 | j++; |
501 | } else { | |
502 | DRM_ERROR("Skipping %d\n", i); | |
503 | } | |
504 | } | |
505 | ||
b5e89ed5 DA |
506 | OUT_RING(STATE3D_CONST_BLEND_COLOR_CMD); |
507 | OUT_RING(code[I830_CTXREG_BLENDCOLR]); | |
1da177e4 LT |
508 | j += 2; |
509 | ||
b5e89ed5 | 510 | for (i = I830_CTXREG_VF; i < I830_CTXREG_MCSB0; i++) { |
1da177e4 | 511 | tmp = code[i]; |
b5e89ed5 DA |
512 | if ((tmp & (7 << 29)) == CMD_3D && |
513 | (tmp & (0x1f << 24)) < (0x1d << 24)) { | |
514 | OUT_RING(tmp); | |
1da177e4 LT |
515 | j++; |
516 | } else { | |
517 | DRM_ERROR("Skipping %d\n", i); | |
518 | } | |
519 | } | |
520 | ||
b5e89ed5 DA |
521 | OUT_RING(STATE3D_MAP_COORD_SETBIND_CMD); |
522 | OUT_RING(code[I830_CTXREG_MCSB1]); | |
1da177e4 LT |
523 | j += 2; |
524 | ||
b5e89ed5 DA |
525 | if (j & 1) |
526 | OUT_RING(0); | |
1da177e4 LT |
527 | |
528 | ADVANCE_LP_RING(); | |
529 | } | |
530 | ||
eddca551 | 531 | static void i830EmitTexVerified(struct drm_device * dev, unsigned int *code) |
1da177e4 | 532 | { |
b5e89ed5 | 533 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
534 | int i, j = 0; |
535 | unsigned int tmp; | |
536 | RING_LOCALS; | |
537 | ||
538 | if (code[I830_TEXREG_MI0] == GFX_OP_MAP_INFO || | |
b5e89ed5 DA |
539 | (code[I830_TEXREG_MI0] & ~(0xf * LOAD_TEXTURE_MAP0)) == |
540 | (STATE3D_LOAD_STATE_IMMEDIATE_2 | 4)) { | |
541 | ||
542 | BEGIN_LP_RING(I830_TEX_SETUP_SIZE); | |
543 | ||
544 | OUT_RING(code[I830_TEXREG_MI0]); /* TM0LI */ | |
545 | OUT_RING(code[I830_TEXREG_MI1]); /* TM0S0 */ | |
546 | OUT_RING(code[I830_TEXREG_MI2]); /* TM0S1 */ | |
547 | OUT_RING(code[I830_TEXREG_MI3]); /* TM0S2 */ | |
548 | OUT_RING(code[I830_TEXREG_MI4]); /* TM0S3 */ | |
549 | OUT_RING(code[I830_TEXREG_MI5]); /* TM0S4 */ | |
550 | ||
551 | for (i = 6; i < I830_TEX_SETUP_SIZE; i++) { | |
1da177e4 | 552 | tmp = code[i]; |
b5e89ed5 | 553 | OUT_RING(tmp); |
1da177e4 | 554 | j++; |
b5e89ed5 | 555 | } |
1da177e4 | 556 | |
b5e89ed5 DA |
557 | if (j & 1) |
558 | OUT_RING(0); | |
1da177e4 LT |
559 | |
560 | ADVANCE_LP_RING(); | |
b5e89ed5 | 561 | } else |
1da177e4 LT |
562 | printk("rejected packet %x\n", code[0]); |
563 | } | |
564 | ||
eddca551 | 565 | static void i830EmitTexBlendVerified(struct drm_device * dev, |
b5e89ed5 | 566 | unsigned int *code, unsigned int num) |
1da177e4 | 567 | { |
b5e89ed5 | 568 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
569 | int i, j = 0; |
570 | unsigned int tmp; | |
571 | RING_LOCALS; | |
572 | ||
573 | if (!num) | |
574 | return; | |
575 | ||
b5e89ed5 | 576 | BEGIN_LP_RING(num + 1); |
1da177e4 | 577 | |
b5e89ed5 | 578 | for (i = 0; i < num; i++) { |
1da177e4 | 579 | tmp = code[i]; |
b5e89ed5 | 580 | OUT_RING(tmp); |
1da177e4 LT |
581 | j++; |
582 | } | |
583 | ||
b5e89ed5 DA |
584 | if (j & 1) |
585 | OUT_RING(0); | |
1da177e4 LT |
586 | |
587 | ADVANCE_LP_RING(); | |
588 | } | |
589 | ||
eddca551 | 590 | static void i830EmitTexPalette(struct drm_device * dev, |
b5e89ed5 | 591 | unsigned int *palette, int number, int is_shared) |
1da177e4 | 592 | { |
b5e89ed5 | 593 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
594 | int i; |
595 | RING_LOCALS; | |
596 | ||
597 | return; | |
598 | ||
b5e89ed5 | 599 | BEGIN_LP_RING(258); |
1da177e4 | 600 | |
b5e89ed5 | 601 | if (is_shared == 1) { |
1da177e4 | 602 | OUT_RING(CMD_OP_MAP_PALETTE_LOAD | |
b5e89ed5 | 603 | MAP_PALETTE_NUM(0) | MAP_PALETTE_BOTH); |
1da177e4 LT |
604 | } else { |
605 | OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number)); | |
606 | } | |
b5e89ed5 | 607 | for (i = 0; i < 256; i++) { |
1da177e4 LT |
608 | OUT_RING(palette[i]); |
609 | } | |
610 | OUT_RING(0); | |
b5e89ed5 | 611 | /* KW: WHERE IS THE ADVANCE_LP_RING? This is effectively a noop! |
1da177e4 LT |
612 | */ |
613 | } | |
614 | ||
615 | /* Need to do some additional checking when setting the dest buffer. | |
616 | */ | |
eddca551 | 617 | static void i830EmitDestVerified(struct drm_device * dev, unsigned int *code) |
b5e89ed5 DA |
618 | { |
619 | drm_i830_private_t *dev_priv = dev->dev_private; | |
1da177e4 LT |
620 | unsigned int tmp; |
621 | RING_LOCALS; | |
622 | ||
b5e89ed5 | 623 | BEGIN_LP_RING(I830_DEST_SETUP_SIZE + 10); |
1da177e4 LT |
624 | |
625 | tmp = code[I830_DESTREG_CBUFADDR]; | |
626 | if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) { | |
627 | if (((int)outring) & 8) { | |
628 | OUT_RING(0); | |
629 | OUT_RING(0); | |
630 | } | |
631 | ||
b5e89ed5 DA |
632 | OUT_RING(CMD_OP_DESTBUFFER_INFO); |
633 | OUT_RING(BUF_3D_ID_COLOR_BACK | | |
634 | BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) | | |
635 | BUF_3D_USE_FENCE); | |
636 | OUT_RING(tmp); | |
637 | OUT_RING(0); | |
638 | ||
639 | OUT_RING(CMD_OP_DESTBUFFER_INFO); | |
640 | OUT_RING(BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE | | |
641 | BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp)); | |
642 | OUT_RING(dev_priv->zi1); | |
643 | OUT_RING(0); | |
1da177e4 LT |
644 | } else { |
645 | DRM_ERROR("bad di1 %x (allow %x or %x)\n", | |
646 | tmp, dev_priv->front_di1, dev_priv->back_di1); | |
647 | } | |
648 | ||
649 | /* invarient: | |
650 | */ | |
651 | ||
b5e89ed5 DA |
652 | OUT_RING(GFX_OP_DESTBUFFER_VARS); |
653 | OUT_RING(code[I830_DESTREG_DV1]); | |
1da177e4 | 654 | |
b5e89ed5 DA |
655 | OUT_RING(GFX_OP_DRAWRECT_INFO); |
656 | OUT_RING(code[I830_DESTREG_DR1]); | |
657 | OUT_RING(code[I830_DESTREG_DR2]); | |
658 | OUT_RING(code[I830_DESTREG_DR3]); | |
659 | OUT_RING(code[I830_DESTREG_DR4]); | |
1da177e4 LT |
660 | |
661 | /* Need to verify this */ | |
662 | tmp = code[I830_DESTREG_SENABLE]; | |
b5e89ed5 DA |
663 | if ((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) { |
664 | OUT_RING(tmp); | |
1da177e4 LT |
665 | } else { |
666 | DRM_ERROR("bad scissor enable\n"); | |
b5e89ed5 | 667 | OUT_RING(0); |
1da177e4 LT |
668 | } |
669 | ||
b5e89ed5 DA |
670 | OUT_RING(GFX_OP_SCISSOR_RECT); |
671 | OUT_RING(code[I830_DESTREG_SR1]); | |
672 | OUT_RING(code[I830_DESTREG_SR2]); | |
673 | OUT_RING(0); | |
1da177e4 LT |
674 | |
675 | ADVANCE_LP_RING(); | |
676 | } | |
677 | ||
eddca551 | 678 | static void i830EmitStippleVerified(struct drm_device * dev, unsigned int *code) |
1da177e4 | 679 | { |
b5e89ed5 | 680 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
681 | RING_LOCALS; |
682 | ||
b5e89ed5 DA |
683 | BEGIN_LP_RING(2); |
684 | OUT_RING(GFX_OP_STIPPLE); | |
685 | OUT_RING(code[1]); | |
686 | ADVANCE_LP_RING(); | |
1da177e4 LT |
687 | } |
688 | ||
eddca551 | 689 | static void i830EmitState(struct drm_device * dev) |
1da177e4 | 690 | { |
b5e89ed5 DA |
691 | drm_i830_private_t *dev_priv = dev->dev_private; |
692 | drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; | |
1da177e4 LT |
693 | unsigned int dirty = sarea_priv->dirty; |
694 | ||
695 | DRM_DEBUG("%s %x\n", __FUNCTION__, dirty); | |
696 | ||
697 | if (dirty & I830_UPLOAD_BUFFERS) { | |
b5e89ed5 | 698 | i830EmitDestVerified(dev, sarea_priv->BufferState); |
1da177e4 LT |
699 | sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS; |
700 | } | |
701 | ||
702 | if (dirty & I830_UPLOAD_CTX) { | |
b5e89ed5 | 703 | i830EmitContextVerified(dev, sarea_priv->ContextState); |
1da177e4 LT |
704 | sarea_priv->dirty &= ~I830_UPLOAD_CTX; |
705 | } | |
706 | ||
707 | if (dirty & I830_UPLOAD_TEX0) { | |
b5e89ed5 | 708 | i830EmitTexVerified(dev, sarea_priv->TexState[0]); |
1da177e4 LT |
709 | sarea_priv->dirty &= ~I830_UPLOAD_TEX0; |
710 | } | |
711 | ||
712 | if (dirty & I830_UPLOAD_TEX1) { | |
b5e89ed5 | 713 | i830EmitTexVerified(dev, sarea_priv->TexState[1]); |
1da177e4 LT |
714 | sarea_priv->dirty &= ~I830_UPLOAD_TEX1; |
715 | } | |
716 | ||
717 | if (dirty & I830_UPLOAD_TEXBLEND0) { | |
b5e89ed5 DA |
718 | i830EmitTexBlendVerified(dev, sarea_priv->TexBlendState[0], |
719 | sarea_priv->TexBlendStateWordsUsed[0]); | |
1da177e4 LT |
720 | sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0; |
721 | } | |
722 | ||
723 | if (dirty & I830_UPLOAD_TEXBLEND1) { | |
b5e89ed5 DA |
724 | i830EmitTexBlendVerified(dev, sarea_priv->TexBlendState[1], |
725 | sarea_priv->TexBlendStateWordsUsed[1]); | |
1da177e4 LT |
726 | sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1; |
727 | } | |
728 | ||
729 | if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) { | |
730 | i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1); | |
731 | } else { | |
732 | if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) { | |
733 | i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0); | |
734 | sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0); | |
735 | } | |
736 | if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) { | |
737 | i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0); | |
738 | sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1); | |
739 | } | |
740 | ||
741 | /* 1.3: | |
742 | */ | |
743 | #if 0 | |
744 | if (dirty & I830_UPLOAD_TEX_PALETTE_N(2)) { | |
745 | i830EmitTexPalette(dev, sarea_priv->Palette2[0], 0, 0); | |
746 | sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2); | |
747 | } | |
748 | if (dirty & I830_UPLOAD_TEX_PALETTE_N(3)) { | |
749 | i830EmitTexPalette(dev, sarea_priv->Palette2[1], 1, 0); | |
750 | sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2); | |
751 | } | |
752 | #endif | |
753 | } | |
754 | ||
755 | /* 1.3: | |
756 | */ | |
757 | if (dirty & I830_UPLOAD_STIPPLE) { | |
b5e89ed5 | 758 | i830EmitStippleVerified(dev, sarea_priv->StippleState); |
1da177e4 LT |
759 | sarea_priv->dirty &= ~I830_UPLOAD_STIPPLE; |
760 | } | |
761 | ||
762 | if (dirty & I830_UPLOAD_TEX2) { | |
b5e89ed5 | 763 | i830EmitTexVerified(dev, sarea_priv->TexState2); |
1da177e4 LT |
764 | sarea_priv->dirty &= ~I830_UPLOAD_TEX2; |
765 | } | |
766 | ||
767 | if (dirty & I830_UPLOAD_TEX3) { | |
b5e89ed5 | 768 | i830EmitTexVerified(dev, sarea_priv->TexState3); |
1da177e4 LT |
769 | sarea_priv->dirty &= ~I830_UPLOAD_TEX3; |
770 | } | |
771 | ||
1da177e4 | 772 | if (dirty & I830_UPLOAD_TEXBLEND2) { |
b5e89ed5 DA |
773 | i830EmitTexBlendVerified(dev, |
774 | sarea_priv->TexBlendState2, | |
775 | sarea_priv->TexBlendStateWordsUsed2); | |
1da177e4 LT |
776 | |
777 | sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND2; | |
778 | } | |
779 | ||
780 | if (dirty & I830_UPLOAD_TEXBLEND3) { | |
b5e89ed5 DA |
781 | i830EmitTexBlendVerified(dev, |
782 | sarea_priv->TexBlendState3, | |
783 | sarea_priv->TexBlendStateWordsUsed3); | |
1da177e4 LT |
784 | sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND3; |
785 | } | |
786 | } | |
787 | ||
788 | /* ================================================================ | |
789 | * Performance monitoring functions | |
790 | */ | |
791 | ||
eddca551 | 792 | static void i830_fill_box(struct drm_device * dev, |
b5e89ed5 | 793 | int x, int y, int w, int h, int r, int g, int b) |
1da177e4 | 794 | { |
b5e89ed5 | 795 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
796 | u32 color; |
797 | unsigned int BR13, CMD; | |
798 | RING_LOCALS; | |
799 | ||
b5e89ed5 | 800 | BR13 = (0xF0 << 16) | (dev_priv->pitch * dev_priv->cpp) | (1 << 24); |
1da177e4 LT |
801 | CMD = XY_COLOR_BLT_CMD; |
802 | x += dev_priv->sarea_priv->boxes[0].x1; | |
803 | y += dev_priv->sarea_priv->boxes[0].y1; | |
804 | ||
805 | if (dev_priv->cpp == 4) { | |
b5e89ed5 | 806 | BR13 |= (1 << 25); |
1da177e4 | 807 | CMD |= (XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB); |
b5e89ed5 | 808 | color = (((0xff) << 24) | (r << 16) | (g << 8) | b); |
1da177e4 LT |
809 | } else { |
810 | color = (((r & 0xf8) << 8) | | |
b5e89ed5 | 811 | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3)); |
1da177e4 LT |
812 | } |
813 | ||
b5e89ed5 DA |
814 | BEGIN_LP_RING(6); |
815 | OUT_RING(CMD); | |
816 | OUT_RING(BR13); | |
817 | OUT_RING((y << 16) | x); | |
818 | OUT_RING(((y + h) << 16) | (x + w)); | |
1da177e4 | 819 | |
b5e89ed5 DA |
820 | if (dev_priv->current_page == 1) { |
821 | OUT_RING(dev_priv->front_offset); | |
822 | } else { | |
823 | OUT_RING(dev_priv->back_offset); | |
824 | } | |
1da177e4 | 825 | |
b5e89ed5 | 826 | OUT_RING(color); |
1da177e4 LT |
827 | ADVANCE_LP_RING(); |
828 | } | |
829 | ||
eddca551 | 830 | static void i830_cp_performance_boxes(struct drm_device * dev) |
1da177e4 | 831 | { |
b5e89ed5 | 832 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
833 | |
834 | /* Purple box for page flipping | |
835 | */ | |
b5e89ed5 DA |
836 | if (dev_priv->sarea_priv->perf_boxes & I830_BOX_FLIP) |
837 | i830_fill_box(dev, 4, 4, 8, 8, 255, 0, 255); | |
1da177e4 LT |
838 | |
839 | /* Red box if we have to wait for idle at any point | |
840 | */ | |
b5e89ed5 DA |
841 | if (dev_priv->sarea_priv->perf_boxes & I830_BOX_WAIT) |
842 | i830_fill_box(dev, 16, 4, 8, 8, 255, 0, 0); | |
1da177e4 LT |
843 | |
844 | /* Blue box: lost context? | |
845 | */ | |
b5e89ed5 DA |
846 | if (dev_priv->sarea_priv->perf_boxes & I830_BOX_LOST_CONTEXT) |
847 | i830_fill_box(dev, 28, 4, 8, 8, 0, 0, 255); | |
1da177e4 LT |
848 | |
849 | /* Yellow box for texture swaps | |
850 | */ | |
b5e89ed5 DA |
851 | if (dev_priv->sarea_priv->perf_boxes & I830_BOX_TEXTURE_LOAD) |
852 | i830_fill_box(dev, 40, 4, 8, 8, 255, 255, 0); | |
1da177e4 LT |
853 | |
854 | /* Green box if hardware never idles (as far as we can tell) | |
855 | */ | |
b5e89ed5 DA |
856 | if (!(dev_priv->sarea_priv->perf_boxes & I830_BOX_RING_EMPTY)) |
857 | i830_fill_box(dev, 64, 4, 8, 8, 0, 255, 0); | |
1da177e4 | 858 | |
b5e89ed5 | 859 | /* Draw bars indicating number of buffers allocated |
1da177e4 LT |
860 | * (not a great measure, easily confused) |
861 | */ | |
862 | if (dev_priv->dma_used) { | |
863 | int bar = dev_priv->dma_used / 10240; | |
b5e89ed5 DA |
864 | if (bar > 100) |
865 | bar = 100; | |
866 | if (bar < 1) | |
867 | bar = 1; | |
868 | i830_fill_box(dev, 4, 16, bar, 4, 196, 128, 128); | |
1da177e4 LT |
869 | dev_priv->dma_used = 0; |
870 | } | |
871 | ||
872 | dev_priv->sarea_priv->perf_boxes = 0; | |
873 | } | |
874 | ||
eddca551 | 875 | static void i830_dma_dispatch_clear(struct drm_device * dev, int flags, |
1da177e4 LT |
876 | unsigned int clear_color, |
877 | unsigned int clear_zval, | |
878 | unsigned int clear_depthmask) | |
879 | { | |
b5e89ed5 DA |
880 | drm_i830_private_t *dev_priv = dev->dev_private; |
881 | drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; | |
1da177e4 | 882 | int nbox = sarea_priv->nbox; |
eddca551 | 883 | struct drm_clip_rect *pbox = sarea_priv->boxes; |
1da177e4 LT |
884 | int pitch = dev_priv->pitch; |
885 | int cpp = dev_priv->cpp; | |
886 | int i; | |
887 | unsigned int BR13, CMD, D_CMD; | |
888 | RING_LOCALS; | |
889 | ||
b5e89ed5 | 890 | if (dev_priv->current_page == 1) { |
1da177e4 LT |
891 | unsigned int tmp = flags; |
892 | ||
893 | flags &= ~(I830_FRONT | I830_BACK); | |
b5e89ed5 DA |
894 | if (tmp & I830_FRONT) |
895 | flags |= I830_BACK; | |
896 | if (tmp & I830_BACK) | |
897 | flags |= I830_FRONT; | |
1da177e4 LT |
898 | } |
899 | ||
b5e89ed5 | 900 | i830_kernel_lost_context(dev); |
1da177e4 | 901 | |
b5e89ed5 DA |
902 | switch (cpp) { |
903 | case 2: | |
904 | BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24); | |
1da177e4 LT |
905 | D_CMD = CMD = XY_COLOR_BLT_CMD; |
906 | break; | |
907 | case 4: | |
b5e89ed5 DA |
908 | BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24) | (1 << 25); |
909 | CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | | |
1da177e4 LT |
910 | XY_COLOR_BLT_WRITE_RGB); |
911 | D_CMD = XY_COLOR_BLT_CMD; | |
b5e89ed5 | 912 | if (clear_depthmask & 0x00ffffff) |
1da177e4 | 913 | D_CMD |= XY_COLOR_BLT_WRITE_RGB; |
b5e89ed5 | 914 | if (clear_depthmask & 0xff000000) |
1da177e4 LT |
915 | D_CMD |= XY_COLOR_BLT_WRITE_ALPHA; |
916 | break; | |
917 | default: | |
b5e89ed5 | 918 | BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24); |
1da177e4 LT |
919 | D_CMD = CMD = XY_COLOR_BLT_CMD; |
920 | break; | |
921 | } | |
922 | ||
b5e89ed5 DA |
923 | if (nbox > I830_NR_SAREA_CLIPRECTS) |
924 | nbox = I830_NR_SAREA_CLIPRECTS; | |
1da177e4 | 925 | |
b5e89ed5 | 926 | for (i = 0; i < nbox; i++, pbox++) { |
1da177e4 LT |
927 | if (pbox->x1 > pbox->x2 || |
928 | pbox->y1 > pbox->y2 || | |
b5e89ed5 | 929 | pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) |
1da177e4 LT |
930 | continue; |
931 | ||
b5e89ed5 DA |
932 | if (flags & I830_FRONT) { |
933 | DRM_DEBUG("clear front\n"); | |
934 | BEGIN_LP_RING(6); | |
935 | OUT_RING(CMD); | |
936 | OUT_RING(BR13); | |
937 | OUT_RING((pbox->y1 << 16) | pbox->x1); | |
938 | OUT_RING((pbox->y2 << 16) | pbox->x2); | |
939 | OUT_RING(dev_priv->front_offset); | |
940 | OUT_RING(clear_color); | |
1da177e4 LT |
941 | ADVANCE_LP_RING(); |
942 | } | |
943 | ||
b5e89ed5 | 944 | if (flags & I830_BACK) { |
1da177e4 | 945 | DRM_DEBUG("clear back\n"); |
b5e89ed5 DA |
946 | BEGIN_LP_RING(6); |
947 | OUT_RING(CMD); | |
948 | OUT_RING(BR13); | |
949 | OUT_RING((pbox->y1 << 16) | pbox->x1); | |
950 | OUT_RING((pbox->y2 << 16) | pbox->x2); | |
951 | OUT_RING(dev_priv->back_offset); | |
952 | OUT_RING(clear_color); | |
1da177e4 LT |
953 | ADVANCE_LP_RING(); |
954 | } | |
955 | ||
b5e89ed5 | 956 | if (flags & I830_DEPTH) { |
1da177e4 | 957 | DRM_DEBUG("clear depth\n"); |
b5e89ed5 DA |
958 | BEGIN_LP_RING(6); |
959 | OUT_RING(D_CMD); | |
960 | OUT_RING(BR13); | |
961 | OUT_RING((pbox->y1 << 16) | pbox->x1); | |
962 | OUT_RING((pbox->y2 << 16) | pbox->x2); | |
963 | OUT_RING(dev_priv->depth_offset); | |
964 | OUT_RING(clear_zval); | |
1da177e4 LT |
965 | ADVANCE_LP_RING(); |
966 | } | |
967 | } | |
968 | } | |
969 | ||
eddca551 | 970 | static void i830_dma_dispatch_swap(struct drm_device * dev) |
1da177e4 | 971 | { |
b5e89ed5 DA |
972 | drm_i830_private_t *dev_priv = dev->dev_private; |
973 | drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; | |
1da177e4 | 974 | int nbox = sarea_priv->nbox; |
eddca551 | 975 | struct drm_clip_rect *pbox = sarea_priv->boxes; |
1da177e4 LT |
976 | int pitch = dev_priv->pitch; |
977 | int cpp = dev_priv->cpp; | |
978 | int i; | |
979 | unsigned int CMD, BR13; | |
980 | RING_LOCALS; | |
981 | ||
982 | DRM_DEBUG("swapbuffers\n"); | |
983 | ||
b5e89ed5 | 984 | i830_kernel_lost_context(dev); |
1da177e4 LT |
985 | |
986 | if (dev_priv->do_boxes) | |
b5e89ed5 | 987 | i830_cp_performance_boxes(dev); |
1da177e4 | 988 | |
b5e89ed5 DA |
989 | switch (cpp) { |
990 | case 2: | |
991 | BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); | |
1da177e4 LT |
992 | CMD = XY_SRC_COPY_BLT_CMD; |
993 | break; | |
994 | case 4: | |
b5e89ed5 | 995 | BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25); |
1da177e4 LT |
996 | CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | |
997 | XY_SRC_COPY_BLT_WRITE_RGB); | |
998 | break; | |
999 | default: | |
b5e89ed5 | 1000 | BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); |
1da177e4 LT |
1001 | CMD = XY_SRC_COPY_BLT_CMD; |
1002 | break; | |
1003 | } | |
1004 | ||
b5e89ed5 DA |
1005 | if (nbox > I830_NR_SAREA_CLIPRECTS) |
1006 | nbox = I830_NR_SAREA_CLIPRECTS; | |
1da177e4 | 1007 | |
b5e89ed5 | 1008 | for (i = 0; i < nbox; i++, pbox++) { |
1da177e4 LT |
1009 | if (pbox->x1 > pbox->x2 || |
1010 | pbox->y1 > pbox->y2 || | |
b5e89ed5 | 1011 | pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) |
1da177e4 | 1012 | continue; |
b5e89ed5 | 1013 | |
1da177e4 | 1014 | DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n", |
b5e89ed5 | 1015 | pbox->x1, pbox->y1, pbox->x2, pbox->y2); |
1da177e4 | 1016 | |
b5e89ed5 DA |
1017 | BEGIN_LP_RING(8); |
1018 | OUT_RING(CMD); | |
1019 | OUT_RING(BR13); | |
1020 | OUT_RING((pbox->y1 << 16) | pbox->x1); | |
1021 | OUT_RING((pbox->y2 << 16) | pbox->x2); | |
1da177e4 | 1022 | |
b5e89ed5 DA |
1023 | if (dev_priv->current_page == 0) |
1024 | OUT_RING(dev_priv->front_offset); | |
1da177e4 | 1025 | else |
b5e89ed5 | 1026 | OUT_RING(dev_priv->back_offset); |
1da177e4 | 1027 | |
b5e89ed5 DA |
1028 | OUT_RING((pbox->y1 << 16) | pbox->x1); |
1029 | OUT_RING(BR13 & 0xffff); | |
1da177e4 | 1030 | |
b5e89ed5 DA |
1031 | if (dev_priv->current_page == 0) |
1032 | OUT_RING(dev_priv->back_offset); | |
1da177e4 | 1033 | else |
b5e89ed5 | 1034 | OUT_RING(dev_priv->front_offset); |
1da177e4 LT |
1035 | |
1036 | ADVANCE_LP_RING(); | |
1037 | } | |
1038 | } | |
1039 | ||
eddca551 | 1040 | static void i830_dma_dispatch_flip(struct drm_device * dev) |
1da177e4 | 1041 | { |
b5e89ed5 | 1042 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
1043 | RING_LOCALS; |
1044 | ||
b5e89ed5 DA |
1045 | DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", |
1046 | __FUNCTION__, | |
1047 | dev_priv->current_page, | |
1048 | dev_priv->sarea_priv->pf_current_page); | |
1da177e4 | 1049 | |
b5e89ed5 | 1050 | i830_kernel_lost_context(dev); |
1da177e4 LT |
1051 | |
1052 | if (dev_priv->do_boxes) { | |
1053 | dev_priv->sarea_priv->perf_boxes |= I830_BOX_FLIP; | |
b5e89ed5 | 1054 | i830_cp_performance_boxes(dev); |
1da177e4 LT |
1055 | } |
1056 | ||
b5e89ed5 DA |
1057 | BEGIN_LP_RING(2); |
1058 | OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); | |
1059 | OUT_RING(0); | |
1da177e4 LT |
1060 | ADVANCE_LP_RING(); |
1061 | ||
b5e89ed5 DA |
1062 | BEGIN_LP_RING(6); |
1063 | OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); | |
1064 | OUT_RING(0); | |
1065 | if (dev_priv->current_page == 0) { | |
1066 | OUT_RING(dev_priv->back_offset); | |
1da177e4 LT |
1067 | dev_priv->current_page = 1; |
1068 | } else { | |
b5e89ed5 | 1069 | OUT_RING(dev_priv->front_offset); |
1da177e4 LT |
1070 | dev_priv->current_page = 0; |
1071 | } | |
1072 | OUT_RING(0); | |
1073 | ADVANCE_LP_RING(); | |
1074 | ||
b5e89ed5 DA |
1075 | BEGIN_LP_RING(2); |
1076 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); | |
1077 | OUT_RING(0); | |
1da177e4 | 1078 | ADVANCE_LP_RING(); |
1da177e4 LT |
1079 | |
1080 | dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; | |
1081 | } | |
1082 | ||
eddca551 | 1083 | static void i830_dma_dispatch_vertex(struct drm_device * dev, |
056219e2 | 1084 | struct drm_buf * buf, int discard, int used) |
1da177e4 | 1085 | { |
b5e89ed5 | 1086 | drm_i830_private_t *dev_priv = dev->dev_private; |
1da177e4 | 1087 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; |
b5e89ed5 | 1088 | drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; |
eddca551 | 1089 | struct drm_clip_rect *box = sarea_priv->boxes; |
b5e89ed5 | 1090 | int nbox = sarea_priv->nbox; |
1da177e4 | 1091 | unsigned long address = (unsigned long)buf->bus_address; |
b5e89ed5 | 1092 | unsigned long start = address - dev->agp->base; |
1da177e4 | 1093 | int i = 0, u; |
b5e89ed5 | 1094 | RING_LOCALS; |
1da177e4 | 1095 | |
b5e89ed5 | 1096 | i830_kernel_lost_context(dev); |
1da177e4 | 1097 | |
b5e89ed5 | 1098 | if (nbox > I830_NR_SAREA_CLIPRECTS) |
1da177e4 LT |
1099 | nbox = I830_NR_SAREA_CLIPRECTS; |
1100 | ||
1101 | if (discard) { | |
b5e89ed5 | 1102 | u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, |
1da177e4 | 1103 | I830_BUF_HARDWARE); |
b5e89ed5 | 1104 | if (u != I830_BUF_CLIENT) { |
1da177e4 LT |
1105 | DRM_DEBUG("xxxx 2\n"); |
1106 | } | |
1107 | } | |
1108 | ||
b5e89ed5 | 1109 | if (used > 4 * 1023) |
1da177e4 LT |
1110 | used = 0; |
1111 | ||
1112 | if (sarea_priv->dirty) | |
b5e89ed5 | 1113 | i830EmitState(dev); |
1da177e4 | 1114 | |
b5e89ed5 | 1115 | DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", |
1da177e4 LT |
1116 | address, used, nbox); |
1117 | ||
b5e89ed5 DA |
1118 | dev_priv->counter++; |
1119 | DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter); | |
1120 | DRM_DEBUG("i830_dma_dispatch\n"); | |
1121 | DRM_DEBUG("start : %lx\n", start); | |
1122 | DRM_DEBUG("used : %d\n", used); | |
1123 | DRM_DEBUG("start + used - 4 : %ld\n", start + used - 4); | |
1da177e4 LT |
1124 | |
1125 | if (buf_priv->currently_mapped == I830_BUF_MAPPED) { | |
1126 | u32 *vp = buf_priv->kernel_virtual; | |
1127 | ||
1128 | vp[0] = (GFX_OP_PRIMITIVE | | |
b5e89ed5 | 1129 | sarea_priv->vertex_prim | ((used / 4) - 2)); |
1da177e4 LT |
1130 | |
1131 | if (dev_priv->use_mi_batchbuffer_start) { | |
b5e89ed5 DA |
1132 | vp[used / 4] = MI_BATCH_BUFFER_END; |
1133 | used += 4; | |
1da177e4 | 1134 | } |
b5e89ed5 | 1135 | |
1da177e4 | 1136 | if (used & 4) { |
b5e89ed5 | 1137 | vp[used / 4] = 0; |
1da177e4 LT |
1138 | used += 4; |
1139 | } | |
1140 | ||
1141 | i830_unmap_buffer(buf); | |
1142 | } | |
b5e89ed5 | 1143 | |
1da177e4 LT |
1144 | if (used) { |
1145 | do { | |
1146 | if (i < nbox) { | |
1147 | BEGIN_LP_RING(6); | |
b5e89ed5 DA |
1148 | OUT_RING(GFX_OP_DRAWRECT_INFO); |
1149 | OUT_RING(sarea_priv-> | |
1150 | BufferState[I830_DESTREG_DR1]); | |
1151 | OUT_RING(box[i].x1 | (box[i].y1 << 16)); | |
1152 | OUT_RING(box[i].x2 | (box[i].y2 << 16)); | |
1153 | OUT_RING(sarea_priv-> | |
1154 | BufferState[I830_DESTREG_DR4]); | |
1155 | OUT_RING(0); | |
1da177e4 LT |
1156 | ADVANCE_LP_RING(); |
1157 | } | |
1158 | ||
1159 | if (dev_priv->use_mi_batchbuffer_start) { | |
1160 | BEGIN_LP_RING(2); | |
b5e89ed5 DA |
1161 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); |
1162 | OUT_RING(start | MI_BATCH_NON_SECURE); | |
1da177e4 | 1163 | ADVANCE_LP_RING(); |
b5e89ed5 | 1164 | } else { |
1da177e4 | 1165 | BEGIN_LP_RING(4); |
b5e89ed5 DA |
1166 | OUT_RING(MI_BATCH_BUFFER); |
1167 | OUT_RING(start | MI_BATCH_NON_SECURE); | |
1168 | OUT_RING(start + used - 4); | |
1169 | OUT_RING(0); | |
1da177e4 LT |
1170 | ADVANCE_LP_RING(); |
1171 | } | |
1172 | ||
1173 | } while (++i < nbox); | |
1174 | } | |
1175 | ||
1176 | if (discard) { | |
1177 | dev_priv->counter++; | |
1178 | ||
b5e89ed5 DA |
1179 | (void)cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, |
1180 | I830_BUF_HARDWARE); | |
1da177e4 LT |
1181 | |
1182 | BEGIN_LP_RING(8); | |
b5e89ed5 DA |
1183 | OUT_RING(CMD_STORE_DWORD_IDX); |
1184 | OUT_RING(20); | |
1185 | OUT_RING(dev_priv->counter); | |
1186 | OUT_RING(CMD_STORE_DWORD_IDX); | |
1187 | OUT_RING(buf_priv->my_use_idx); | |
1188 | OUT_RING(I830_BUF_FREE); | |
1189 | OUT_RING(CMD_REPORT_HEAD); | |
1190 | OUT_RING(0); | |
1da177e4 LT |
1191 | ADVANCE_LP_RING(); |
1192 | } | |
1193 | } | |
1194 | ||
eddca551 | 1195 | static void i830_dma_quiescent(struct drm_device * dev) |
1da177e4 | 1196 | { |
b5e89ed5 DA |
1197 | drm_i830_private_t *dev_priv = dev->dev_private; |
1198 | RING_LOCALS; | |
1da177e4 | 1199 | |
b5e89ed5 | 1200 | i830_kernel_lost_context(dev); |
1da177e4 | 1201 | |
b5e89ed5 DA |
1202 | BEGIN_LP_RING(4); |
1203 | OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); | |
1204 | OUT_RING(CMD_REPORT_HEAD); | |
1205 | OUT_RING(0); | |
1206 | OUT_RING(0); | |
1207 | ADVANCE_LP_RING(); | |
1da177e4 | 1208 | |
b5e89ed5 | 1209 | i830_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); |
1da177e4 LT |
1210 | } |
1211 | ||
eddca551 | 1212 | static int i830_flush_queue(struct drm_device * dev) |
1da177e4 | 1213 | { |
b5e89ed5 | 1214 | drm_i830_private_t *dev_priv = dev->dev_private; |
cdd55a29 | 1215 | struct drm_device_dma *dma = dev->dma; |
b5e89ed5 DA |
1216 | int i, ret = 0; |
1217 | RING_LOCALS; | |
1218 | ||
1219 | i830_kernel_lost_context(dev); | |
1220 | ||
1221 | BEGIN_LP_RING(2); | |
1222 | OUT_RING(CMD_REPORT_HEAD); | |
1223 | OUT_RING(0); | |
1224 | ADVANCE_LP_RING(); | |
1225 | ||
1226 | i830_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); | |
1227 | ||
1228 | for (i = 0; i < dma->buf_count; i++) { | |
056219e2 | 1229 | struct drm_buf *buf = dma->buflist[i]; |
b5e89ed5 DA |
1230 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; |
1231 | ||
1232 | int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE, | |
1da177e4 LT |
1233 | I830_BUF_FREE); |
1234 | ||
1235 | if (used == I830_BUF_HARDWARE) | |
1236 | DRM_DEBUG("reclaimed from HARDWARE\n"); | |
1237 | if (used == I830_BUF_CLIENT) | |
1238 | DRM_DEBUG("still on client\n"); | |
1239 | } | |
1240 | ||
b5e89ed5 | 1241 | return ret; |
1da177e4 LT |
1242 | } |
1243 | ||
1244 | /* Must be called with the lock held */ | |
6c340eac | 1245 | static void i830_reclaim_buffers(struct drm_device * dev, struct drm_file *file_priv) |
1da177e4 | 1246 | { |
cdd55a29 | 1247 | struct drm_device_dma *dma = dev->dma; |
b5e89ed5 | 1248 | int i; |
1da177e4 | 1249 | |
b5e89ed5 DA |
1250 | if (!dma) |
1251 | return; | |
1252 | if (!dev->dev_private) | |
1253 | return; | |
1254 | if (!dma->buflist) | |
1255 | return; | |
1da177e4 | 1256 | |
b5e89ed5 | 1257 | i830_flush_queue(dev); |
1da177e4 LT |
1258 | |
1259 | for (i = 0; i < dma->buf_count; i++) { | |
056219e2 | 1260 | struct drm_buf *buf = dma->buflist[i]; |
b5e89ed5 DA |
1261 | drm_i830_buf_priv_t *buf_priv = buf->dev_private; |
1262 | ||
6c340eac | 1263 | if (buf->file_priv == file_priv && buf_priv) { |
b5e89ed5 | 1264 | int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, |
1da177e4 LT |
1265 | I830_BUF_FREE); |
1266 | ||
1267 | if (used == I830_BUF_CLIENT) | |
1268 | DRM_DEBUG("reclaimed from client\n"); | |
b5e89ed5 DA |
1269 | if (buf_priv->currently_mapped == I830_BUF_MAPPED) |
1270 | buf_priv->currently_mapped = I830_BUF_UNMAPPED; | |
1da177e4 LT |
1271 | } |
1272 | } | |
1273 | } | |
1274 | ||
c153f45f EA |
1275 | static int i830_flush_ioctl(struct drm_device *dev, void *data, |
1276 | struct drm_file *file_priv) | |
1da177e4 | 1277 | { |
6c340eac | 1278 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 1279 | |
b5e89ed5 DA |
1280 | i830_flush_queue(dev); |
1281 | return 0; | |
1da177e4 LT |
1282 | } |
1283 | ||
c153f45f EA |
1284 | static int i830_dma_vertex(struct drm_device *dev, void *data, |
1285 | struct drm_file *file_priv) | |
1da177e4 | 1286 | { |
cdd55a29 | 1287 | struct drm_device_dma *dma = dev->dma; |
b5e89ed5 DA |
1288 | drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; |
1289 | u32 *hw_status = dev_priv->hw_status_page; | |
1290 | drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) | |
1291 | dev_priv->sarea_priv; | |
c153f45f | 1292 | drm_i830_vertex_t *vertex = data; |
1da177e4 | 1293 | |
6c340eac | 1294 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 LT |
1295 | |
1296 | DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n", | |
c153f45f | 1297 | vertex->idx, vertex->used, vertex->discard); |
1da177e4 | 1298 | |
c153f45f | 1299 | if (vertex->idx < 0 || vertex->idx > dma->buf_count) |
b5e89ed5 | 1300 | return -EINVAL; |
1da177e4 | 1301 | |
b5e89ed5 | 1302 | i830_dma_dispatch_vertex(dev, |
c153f45f EA |
1303 | dma->buflist[vertex->idx], |
1304 | vertex->discard, vertex->used); | |
b5e89ed5 DA |
1305 | |
1306 | sarea_priv->last_enqueue = dev_priv->counter - 1; | |
1307 | sarea_priv->last_dispatch = (int)hw_status[5]; | |
1da177e4 | 1308 | |
1da177e4 LT |
1309 | return 0; |
1310 | } | |
1311 | ||
c153f45f EA |
1312 | static int i830_clear_bufs(struct drm_device *dev, void *data, |
1313 | struct drm_file *file_priv) | |
1da177e4 | 1314 | { |
c153f45f | 1315 | drm_i830_clear_t *clear = data; |
b5e89ed5 | 1316 | |
6c340eac | 1317 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 LT |
1318 | |
1319 | /* GH: Someone's doing nasty things... */ | |
1320 | if (!dev->dev_private) { | |
1321 | return -EINVAL; | |
1322 | } | |
1323 | ||
c153f45f EA |
1324 | i830_dma_dispatch_clear(dev, clear->flags, |
1325 | clear->clear_color, | |
1326 | clear->clear_depth, clear->clear_depthmask); | |
b5e89ed5 | 1327 | return 0; |
1da177e4 LT |
1328 | } |
1329 | ||
c153f45f EA |
1330 | static int i830_swap_bufs(struct drm_device *dev, void *data, |
1331 | struct drm_file *file_priv) | |
1da177e4 | 1332 | { |
1da177e4 LT |
1333 | DRM_DEBUG("i830_swap_bufs\n"); |
1334 | ||
6c340eac | 1335 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 1336 | |
b5e89ed5 DA |
1337 | i830_dma_dispatch_swap(dev); |
1338 | return 0; | |
1da177e4 LT |
1339 | } |
1340 | ||
1da177e4 | 1341 | /* Not sure why this isn't set all the time: |
b5e89ed5 | 1342 | */ |
eddca551 | 1343 | static void i830_do_init_pageflip(struct drm_device * dev) |
1da177e4 LT |
1344 | { |
1345 | drm_i830_private_t *dev_priv = dev->dev_private; | |
1346 | ||
1347 | DRM_DEBUG("%s\n", __FUNCTION__); | |
1348 | dev_priv->page_flipping = 1; | |
1349 | dev_priv->current_page = 0; | |
1350 | dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; | |
1351 | } | |
1352 | ||
eddca551 | 1353 | static int i830_do_cleanup_pageflip(struct drm_device * dev) |
1da177e4 LT |
1354 | { |
1355 | drm_i830_private_t *dev_priv = dev->dev_private; | |
1356 | ||
1357 | DRM_DEBUG("%s\n", __FUNCTION__); | |
1358 | if (dev_priv->current_page != 0) | |
b5e89ed5 | 1359 | i830_dma_dispatch_flip(dev); |
1da177e4 LT |
1360 | |
1361 | dev_priv->page_flipping = 0; | |
1362 | return 0; | |
1363 | } | |
1364 | ||
c153f45f EA |
1365 | static int i830_flip_bufs(struct drm_device *dev, void *data, |
1366 | struct drm_file *file_priv) | |
1da177e4 | 1367 | { |
1da177e4 LT |
1368 | drm_i830_private_t *dev_priv = dev->dev_private; |
1369 | ||
1370 | DRM_DEBUG("%s\n", __FUNCTION__); | |
1371 | ||
6c340eac | 1372 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 1373 | |
b5e89ed5 DA |
1374 | if (!dev_priv->page_flipping) |
1375 | i830_do_init_pageflip(dev); | |
1da177e4 | 1376 | |
b5e89ed5 DA |
1377 | i830_dma_dispatch_flip(dev); |
1378 | return 0; | |
1da177e4 LT |
1379 | } |
1380 | ||
c153f45f EA |
1381 | static int i830_getage(struct drm_device *dev, void *data, |
1382 | struct drm_file *file_priv) | |
1da177e4 | 1383 | { |
b5e89ed5 DA |
1384 | drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; |
1385 | u32 *hw_status = dev_priv->hw_status_page; | |
1386 | drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) | |
1387 | dev_priv->sarea_priv; | |
1388 | ||
1389 | sarea_priv->last_dispatch = (int)hw_status[5]; | |
1da177e4 LT |
1390 | return 0; |
1391 | } | |
1392 | ||
c153f45f EA |
1393 | static int i830_getbuf(struct drm_device *dev, void *data, |
1394 | struct drm_file *file_priv) | |
1da177e4 | 1395 | { |
b5e89ed5 | 1396 | int retcode = 0; |
c153f45f | 1397 | drm_i830_dma_t *d = data; |
b5e89ed5 DA |
1398 | drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; |
1399 | u32 *hw_status = dev_priv->hw_status_page; | |
1400 | drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) | |
1401 | dev_priv->sarea_priv; | |
1da177e4 LT |
1402 | |
1403 | DRM_DEBUG("getbuf\n"); | |
b5e89ed5 | 1404 | |
6c340eac | 1405 | LOCK_TEST_WITH_RETURN(dev, file_priv); |
b5e89ed5 | 1406 | |
c153f45f | 1407 | d->granted = 0; |
1da177e4 | 1408 | |
c153f45f | 1409 | retcode = i830_dma_get_buffer(dev, d, file_priv); |
1da177e4 LT |
1410 | |
1411 | DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n", | |
ba25f9dc | 1412 | task_pid_nr(current), retcode, d->granted); |
1da177e4 | 1413 | |
b5e89ed5 | 1414 | sarea_priv->last_dispatch = (int)hw_status[5]; |
1da177e4 LT |
1415 | |
1416 | return retcode; | |
1417 | } | |
1418 | ||
c153f45f EA |
1419 | static int i830_copybuf(struct drm_device *dev, void *data, |
1420 | struct drm_file *file_priv) | |
1da177e4 LT |
1421 | { |
1422 | /* Never copy - 2.4.x doesn't need it */ | |
1423 | return 0; | |
1424 | } | |
1425 | ||
c153f45f EA |
1426 | static int i830_docopy(struct drm_device *dev, void *data, |
1427 | struct drm_file *file_priv) | |
1da177e4 LT |
1428 | { |
1429 | return 0; | |
1430 | } | |
1431 | ||
c153f45f EA |
1432 | static int i830_getparam(struct drm_device *dev, void *data, |
1433 | struct drm_file *file_priv) | |
1da177e4 | 1434 | { |
1da177e4 | 1435 | drm_i830_private_t *dev_priv = dev->dev_private; |
c153f45f | 1436 | drm_i830_getparam_t *param = data; |
1da177e4 LT |
1437 | int value; |
1438 | ||
b5e89ed5 DA |
1439 | if (!dev_priv) { |
1440 | DRM_ERROR("%s called with no initialization\n", __FUNCTION__); | |
1da177e4 LT |
1441 | return -EINVAL; |
1442 | } | |
1443 | ||
c153f45f | 1444 | switch (param->param) { |
1da177e4 LT |
1445 | case I830_PARAM_IRQ_ACTIVE: |
1446 | value = dev->irq_enabled; | |
1447 | break; | |
1448 | default: | |
1449 | return -EINVAL; | |
1450 | } | |
1451 | ||
c153f45f | 1452 | if (copy_to_user(param->value, &value, sizeof(int))) { |
b5e89ed5 | 1453 | DRM_ERROR("copy_to_user\n"); |
1da177e4 LT |
1454 | return -EFAULT; |
1455 | } | |
b5e89ed5 | 1456 | |
1da177e4 LT |
1457 | return 0; |
1458 | } | |
1459 | ||
c153f45f EA |
1460 | static int i830_setparam(struct drm_device *dev, void *data, |
1461 | struct drm_file *file_priv) | |
1da177e4 | 1462 | { |
1da177e4 | 1463 | drm_i830_private_t *dev_priv = dev->dev_private; |
c153f45f | 1464 | drm_i830_setparam_t *param = data; |
1da177e4 | 1465 | |
b5e89ed5 DA |
1466 | if (!dev_priv) { |
1467 | DRM_ERROR("%s called with no initialization\n", __FUNCTION__); | |
1da177e4 LT |
1468 | return -EINVAL; |
1469 | } | |
1470 | ||
c153f45f | 1471 | switch (param->param) { |
1da177e4 | 1472 | case I830_SETPARAM_USE_MI_BATCHBUFFER_START: |
c153f45f | 1473 | dev_priv->use_mi_batchbuffer_start = param->value; |
1da177e4 LT |
1474 | break; |
1475 | default: | |
1476 | return -EINVAL; | |
1477 | } | |
1478 | ||
1479 | return 0; | |
1480 | } | |
1481 | ||
eddca551 | 1482 | int i830_driver_load(struct drm_device *dev, unsigned long flags) |
22eae947 DA |
1483 | { |
1484 | /* i830 has 4 more counters */ | |
1485 | dev->counters += 4; | |
1486 | dev->types[6] = _DRM_STAT_IRQ; | |
1487 | dev->types[7] = _DRM_STAT_PRIMARY; | |
1488 | dev->types[8] = _DRM_STAT_SECONDARY; | |
1489 | dev->types[9] = _DRM_STAT_DMA; | |
1490 | ||
1491 | return 0; | |
1492 | } | |
1493 | ||
eddca551 | 1494 | void i830_driver_lastclose(struct drm_device * dev) |
1da177e4 | 1495 | { |
b5e89ed5 | 1496 | i830_dma_cleanup(dev); |
1da177e4 LT |
1497 | } |
1498 | ||
6c340eac | 1499 | void i830_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) |
1da177e4 LT |
1500 | { |
1501 | if (dev->dev_private) { | |
1502 | drm_i830_private_t *dev_priv = dev->dev_private; | |
1503 | if (dev_priv->page_flipping) { | |
1504 | i830_do_cleanup_pageflip(dev); | |
1505 | } | |
1506 | } | |
1507 | } | |
1508 | ||
6c340eac | 1509 | void i830_driver_reclaim_buffers_locked(struct drm_device * dev, struct drm_file *file_priv) |
1da177e4 | 1510 | { |
6c340eac | 1511 | i830_reclaim_buffers(dev, file_priv); |
1da177e4 LT |
1512 | } |
1513 | ||
eddca551 | 1514 | int i830_driver_dma_quiescent(struct drm_device * dev) |
1da177e4 | 1515 | { |
b5e89ed5 | 1516 | i830_dma_quiescent(dev); |
1da177e4 LT |
1517 | return 0; |
1518 | } | |
1519 | ||
c153f45f EA |
1520 | struct drm_ioctl_desc i830_ioctls[] = { |
1521 | DRM_IOCTL_DEF(DRM_I830_INIT, i830_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
1522 | DRM_IOCTL_DEF(DRM_I830_VERTEX, i830_dma_vertex, DRM_AUTH), | |
1523 | DRM_IOCTL_DEF(DRM_I830_CLEAR, i830_clear_bufs, DRM_AUTH), | |
1524 | DRM_IOCTL_DEF(DRM_I830_FLUSH, i830_flush_ioctl, DRM_AUTH), | |
1525 | DRM_IOCTL_DEF(DRM_I830_GETAGE, i830_getage, DRM_AUTH), | |
1526 | DRM_IOCTL_DEF(DRM_I830_GETBUF, i830_getbuf, DRM_AUTH), | |
1527 | DRM_IOCTL_DEF(DRM_I830_SWAP, i830_swap_bufs, DRM_AUTH), | |
1528 | DRM_IOCTL_DEF(DRM_I830_COPY, i830_copybuf, DRM_AUTH), | |
1529 | DRM_IOCTL_DEF(DRM_I830_DOCOPY, i830_docopy, DRM_AUTH), | |
1530 | DRM_IOCTL_DEF(DRM_I830_FLIP, i830_flip_bufs, DRM_AUTH), | |
1531 | DRM_IOCTL_DEF(DRM_I830_IRQ_EMIT, i830_irq_emit, DRM_AUTH), | |
1532 | DRM_IOCTL_DEF(DRM_I830_IRQ_WAIT, i830_irq_wait, DRM_AUTH), | |
1533 | DRM_IOCTL_DEF(DRM_I830_GETPARAM, i830_getparam, DRM_AUTH), | |
1534 | DRM_IOCTL_DEF(DRM_I830_SETPARAM, i830_setparam, DRM_AUTH) | |
1da177e4 LT |
1535 | }; |
1536 | ||
1537 | int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls); | |
cda17380 DA |
1538 | |
1539 | /** | |
1540 | * Determine if the device really is AGP or not. | |
1541 | * | |
1542 | * All Intel graphics chipsets are treated as AGP, even if they are really | |
1543 | * PCI-e. | |
1544 | * | |
1545 | * \param dev The device to be tested. | |
1546 | * | |
1547 | * \returns | |
1548 | * A value of 1 is always retured to indictate every i8xx is AGP. | |
1549 | */ | |
eddca551 | 1550 | int i830_driver_device_is_agp(struct drm_device * dev) |
cda17380 DA |
1551 | { |
1552 | return 1; | |
1553 | } |