2 * Copyright (C) 2007 Ben Skeggs.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include "nouveau_drv.h"
30 #include "nouveau_grctx.h"
32 struct nouveau_channel *
33 nv40_graph_channel(struct drm_device *dev)
35 struct drm_nouveau_private *dev_priv = dev->dev_private;
39 inst = nv_rd32(dev, NV40_PGRAPH_CTXCTL_CUR);
40 if (!(inst & NV40_PGRAPH_CTXCTL_CUR_LOADED))
42 inst = (inst & NV40_PGRAPH_CTXCTL_CUR_INSTANCE) << 4;
44 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
45 struct nouveau_channel *chan = dev_priv->fifos[i];
47 if (chan && chan->ramin_grctx &&
48 chan->ramin_grctx->instance == inst)
56 nv40_graph_create_context(struct nouveau_channel *chan)
58 struct drm_device *dev = chan->dev;
59 struct drm_nouveau_private *dev_priv = dev->dev_private;
60 struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
61 struct nouveau_grctx ctx = {};
64 ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, pgraph->grctx_size,
65 16, NVOBJ_FLAG_ZERO_ALLOC,
70 /* Initialise default context values */
72 ctx.mode = NOUVEAU_GRCTX_VALS;
73 ctx.data = chan->ramin_grctx->gpuobj;
74 nv40_grctx_init(&ctx);
76 nv_wo32(dev, chan->ramin_grctx->gpuobj, 0,
77 chan->ramin_grctx->gpuobj->im_pramin->start);
82 nv40_graph_destroy_context(struct nouveau_channel *chan)
84 nouveau_gpuobj_ref_del(chan->dev, &chan->ramin_grctx);
88 nv40_graph_transfer_context(struct drm_device *dev, uint32_t inst, int save)
90 uint32_t old_cp, tv = 1000, tmp;
93 old_cp = nv_rd32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER);
94 nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, inst);
96 tmp = nv_rd32(dev, NV40_PGRAPH_CTXCTL_0310);
97 tmp |= save ? NV40_PGRAPH_CTXCTL_0310_XFER_SAVE :
98 NV40_PGRAPH_CTXCTL_0310_XFER_LOAD;
99 nv_wr32(dev, NV40_PGRAPH_CTXCTL_0310, tmp);
101 tmp = nv_rd32(dev, NV40_PGRAPH_CTXCTL_0304);
102 tmp |= NV40_PGRAPH_CTXCTL_0304_XFER_CTX;
103 nv_wr32(dev, NV40_PGRAPH_CTXCTL_0304, tmp);
105 nouveau_wait_for_idle(dev);
107 for (i = 0; i < tv; i++) {
108 if (nv_rd32(dev, NV40_PGRAPH_CTXCTL_030C) == 0)
112 nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, old_cp);
115 uint32_t ucstat = nv_rd32(dev, NV40_PGRAPH_CTXCTL_UCODE_STAT);
116 NV_ERROR(dev, "Failed: Instance=0x%08x Save=%d\n", inst, save);
117 NV_ERROR(dev, "IP: 0x%02x, Opcode: 0x%08x\n",
118 ucstat >> NV40_PGRAPH_CTXCTL_UCODE_STAT_IP_SHIFT,
119 ucstat & NV40_PGRAPH_CTXCTL_UCODE_STAT_OP_MASK);
120 NV_ERROR(dev, "0x40030C = 0x%08x\n",
121 nv_rd32(dev, NV40_PGRAPH_CTXCTL_030C));
128 /* Restore the context for a specific channel into PGRAPH */
130 nv40_graph_load_context(struct nouveau_channel *chan)
132 struct drm_device *dev = chan->dev;
136 if (!chan->ramin_grctx)
138 inst = chan->ramin_grctx->instance >> 4;
140 ret = nv40_graph_transfer_context(dev, inst, 0);
144 /* 0x40032C, no idea of it's exact function. Could simply be a
145 * record of the currently active PGRAPH context. It's currently
146 * unknown as to what bit 24 does. The nv ddx has it set, so we will
149 nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, inst);
150 nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR,
151 (inst & NV40_PGRAPH_CTXCTL_CUR_INSTANCE) |
152 NV40_PGRAPH_CTXCTL_CUR_LOADED);
153 /* 0x32E0 records the instance address of the active FIFO's PGRAPH
154 * context. If at any time this doesn't match 0x40032C, you will
155 * recieve PGRAPH_INTR_CONTEXT_SWITCH
157 nv_wr32(dev, NV40_PFIFO_GRCTX_INSTANCE, inst);
162 nv40_graph_unload_context(struct drm_device *dev)
167 inst = nv_rd32(dev, NV40_PGRAPH_CTXCTL_CUR);
168 if (!(inst & NV40_PGRAPH_CTXCTL_CUR_LOADED))
170 inst &= NV40_PGRAPH_CTXCTL_CUR_INSTANCE;
172 ret = nv40_graph_transfer_context(dev, inst, 1);
174 nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, inst);
179 nv40_graph_set_region_tiling(struct drm_device *dev, int i, uint32_t addr,
180 uint32_t size, uint32_t pitch)
182 struct drm_nouveau_private *dev_priv = dev->dev_private;
183 uint32_t limit = max(1u, addr + size) - 1;
188 switch (dev_priv->chipset) {
192 nv_wr32(dev, NV20_PGRAPH_TSIZE(i), pitch);
193 nv_wr32(dev, NV20_PGRAPH_TLIMIT(i), limit);
194 nv_wr32(dev, NV20_PGRAPH_TILE(i), addr);
201 nv_wr32(dev, NV47_PGRAPH_TSIZE(i), pitch);
202 nv_wr32(dev, NV47_PGRAPH_TLIMIT(i), limit);
203 nv_wr32(dev, NV47_PGRAPH_TILE(i), addr);
204 nv_wr32(dev, NV40_PGRAPH_TSIZE1(i), pitch);
205 nv_wr32(dev, NV40_PGRAPH_TLIMIT1(i), limit);
206 nv_wr32(dev, NV40_PGRAPH_TILE1(i), addr);
210 nv_wr32(dev, NV20_PGRAPH_TSIZE(i), pitch);
211 nv_wr32(dev, NV20_PGRAPH_TLIMIT(i), limit);
212 nv_wr32(dev, NV20_PGRAPH_TILE(i), addr);
213 nv_wr32(dev, NV40_PGRAPH_TSIZE1(i), pitch);
214 nv_wr32(dev, NV40_PGRAPH_TLIMIT1(i), limit);
215 nv_wr32(dev, NV40_PGRAPH_TILE1(i), addr);
230 nv40_graph_init(struct drm_device *dev)
232 struct drm_nouveau_private *dev_priv =
233 (struct drm_nouveau_private *)dev->dev_private;
234 struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
235 struct nouveau_grctx ctx = {};
236 uint32_t vramsz, *cp;
239 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) &
240 ~NV_PMC_ENABLE_PGRAPH);
241 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) |
242 NV_PMC_ENABLE_PGRAPH);
244 cp = kmalloc(sizeof(*cp) * 256, GFP_KERNEL);
249 ctx.mode = NOUVEAU_GRCTX_PROG;
251 ctx.ctxprog_max = 256;
252 nv40_grctx_init(&ctx);
253 dev_priv->engine.graph.grctx_size = ctx.ctxvals_pos * 4;
255 nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
256 for (i = 0; i < ctx.ctxprog_len; i++)
257 nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
261 /* No context present currently */
262 nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);
264 nv_wr32(dev, NV03_PGRAPH_INTR , 0xFFFFFFFF);
265 nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xFFFFFFFF);
267 nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
268 nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0x00000000);
269 nv_wr32(dev, NV04_PGRAPH_DEBUG_1, 0x401287c0);
270 nv_wr32(dev, NV04_PGRAPH_DEBUG_3, 0xe0de8055);
271 nv_wr32(dev, NV10_PGRAPH_DEBUG_4, 0x00008000);
272 nv_wr32(dev, NV04_PGRAPH_LIMIT_VIOL_PIX, 0x00be3c5f);
274 nv_wr32(dev, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
275 nv_wr32(dev, NV10_PGRAPH_STATE , 0xFFFFFFFF);
277 j = nv_rd32(dev, 0x1540) & 0xff;
279 for (i = 0; !(j & 1); j >>= 1, i++)
281 nv_wr32(dev, 0x405000, i);
284 if (dev_priv->chipset == 0x40) {
285 nv_wr32(dev, 0x4009b0, 0x83280fff);
286 nv_wr32(dev, 0x4009b4, 0x000000a0);
288 nv_wr32(dev, 0x400820, 0x83280eff);
289 nv_wr32(dev, 0x400824, 0x000000a0);
292 switch (dev_priv->chipset) {
295 nv_wr32(dev, 0x4009b8, 0x0078e366);
296 nv_wr32(dev, 0x4009bc, 0x0000014c);
299 case 0x42: /* pciid also 0x00Cx */
300 /* case 0x0120: XXX (pciid) */
301 nv_wr32(dev, 0x400828, 0x007596ff);
302 nv_wr32(dev, 0x40082c, 0x00000108);
305 nv_wr32(dev, 0x400828, 0x0072cb77);
306 nv_wr32(dev, 0x40082c, 0x00000108);
311 case 0x4c: /* G7x-based C51 */
313 nv_wr32(dev, 0x400860, 0);
314 nv_wr32(dev, 0x400864, 0);
319 nv_wr32(dev, 0x400828, 0x07830610);
320 nv_wr32(dev, 0x40082c, 0x0000016A);
326 nv_wr32(dev, 0x400b38, 0x2ffff800);
327 nv_wr32(dev, 0x400b3c, 0x00006000);
329 /* Tiling related stuff. */
330 switch (dev_priv->chipset) {
333 nv_wr32(dev, 0x400bc4, 0x1003d888);
334 nv_wr32(dev, 0x400bbc, 0xb7a7b500);
337 nv_wr32(dev, 0x400bc4, 0x0000e024);
338 nv_wr32(dev, 0x400bbc, 0xb7a7b520);
343 nv_wr32(dev, 0x400bc4, 0x1003d888);
344 nv_wr32(dev, 0x400bbc, 0xb7a7b540);
350 /* Turn all the tiling regions off. */
351 for (i = 0; i < pfb->num_tiles; i++)
352 nv40_graph_set_region_tiling(dev, i, 0, 0, 0);
354 /* begin RAM config */
355 vramsz = pci_resource_len(dev->pdev, 0) - 1;
356 switch (dev_priv->chipset) {
358 nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0));
359 nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1));
360 nv_wr32(dev, 0x4069A4, nv_rd32(dev, NV04_PFB_CFG0));
361 nv_wr32(dev, 0x4069A8, nv_rd32(dev, NV04_PFB_CFG1));
362 nv_wr32(dev, 0x400820, 0);
363 nv_wr32(dev, 0x400824, 0);
364 nv_wr32(dev, 0x400864, vramsz);
365 nv_wr32(dev, 0x400868, vramsz);
368 switch (dev_priv->chipset) {
373 nv_wr32(dev, 0x400DF0, nv_rd32(dev, NV04_PFB_CFG0));
374 nv_wr32(dev, 0x400DF4, nv_rd32(dev, NV04_PFB_CFG1));
377 nv_wr32(dev, 0x4009F0, nv_rd32(dev, NV04_PFB_CFG0));
378 nv_wr32(dev, 0x4009F4, nv_rd32(dev, NV04_PFB_CFG1));
381 nv_wr32(dev, 0x4069F0, nv_rd32(dev, NV04_PFB_CFG0));
382 nv_wr32(dev, 0x4069F4, nv_rd32(dev, NV04_PFB_CFG1));
383 nv_wr32(dev, 0x400840, 0);
384 nv_wr32(dev, 0x400844, 0);
385 nv_wr32(dev, 0x4008A0, vramsz);
386 nv_wr32(dev, 0x4008A4, vramsz);
393 void nv40_graph_takedown(struct drm_device *dev)
397 struct nouveau_pgraph_object_class nv40_graph_grclass[] = {
398 { 0x0030, false, NULL }, /* null */
399 { 0x0039, false, NULL }, /* m2mf */
400 { 0x004a, false, NULL }, /* gdirect */
401 { 0x009f, false, NULL }, /* imageblit (nv12) */
402 { 0x008a, false, NULL }, /* ifc */
403 { 0x0089, false, NULL }, /* sifm */
404 { 0x3089, false, NULL }, /* sifm (nv40) */
405 { 0x0062, false, NULL }, /* surf2d */
406 { 0x3062, false, NULL }, /* surf2d (nv40) */
407 { 0x0043, false, NULL }, /* rop */
408 { 0x0012, false, NULL }, /* beta1 */
409 { 0x0072, false, NULL }, /* beta4 */
410 { 0x0019, false, NULL }, /* cliprect */
411 { 0x0044, false, NULL }, /* pattern */
412 { 0x309e, false, NULL }, /* swzsurf */
413 { 0x4097, false, NULL }, /* curie (nv40) */
414 { 0x4497, false, NULL }, /* curie (nv44) */