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e1000 - Literally import e1000 driver from FreeBSD
[dragonfly.git] / sys / dev / drm / radeon_cp.c
blobdb5d1faf5b7f8fcbbc455c27ab230f61d5a24fba
1 /*-
2 * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
3 * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
4 * Copyright 2007 Advanced Micro Devices, Inc.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
25 *
26 * Authors:
27 * Kevin E. Martin <martin@valinux.com>
28 * Gareth Hughes <gareth@valinux.com>
29 */
30
31 #include "dev/drm/drmP.h"
32 #include "dev/drm/drm.h"
33 #include "dev/drm/drm_sarea.h"
34 #include "dev/drm/radeon_drm.h"
35 #include "dev/drm/radeon_drv.h"
36 #include "dev/drm/r300_reg.h"
37
38 #include "dev/drm/radeon_microcode.h"
39
40 #define RADEON_FIFO_DEBUG 0
41
42 static int radeon_do_cleanup_cp(struct drm_device * dev);
43 static void radeon_do_cp_start(drm_radeon_private_t * dev_priv);
44
45 u32 radeon_read_ring_rptr(drm_radeon_private_t *dev_priv, u32 off)
46 {
47 u32 val;
48
49 if (dev_priv->flags & RADEON_IS_AGP) {
50 val = DRM_READ32(dev_priv->ring_rptr, off);
51 } else {
52 val = *(((volatile u32 *)
53 dev_priv->ring_rptr->handle) +
54 (off / sizeof(u32)));
55 val = le32_to_cpu(val);
56 }
57 return val;
58 }
59
60 u32 radeon_get_ring_head(drm_radeon_private_t *dev_priv)
61 {
62 if (dev_priv->writeback_works)
63 return radeon_read_ring_rptr(dev_priv, 0);
64 else {
65 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
66 return RADEON_READ(R600_CP_RB_RPTR);
67 else
68 return RADEON_READ(RADEON_CP_RB_RPTR);
69 }
70 }
71
72 void radeon_write_ring_rptr(drm_radeon_private_t *dev_priv, u32 off, u32 val)
73 {
74 if (dev_priv->flags & RADEON_IS_AGP)
75 DRM_WRITE32(dev_priv->ring_rptr, off, val);
76 else
77 *(((volatile u32 *) dev_priv->ring_rptr->handle) +
78 (off / sizeof(u32))) = cpu_to_le32(val);
79 }
80
81 void radeon_set_ring_head(drm_radeon_private_t *dev_priv, u32 val)
82 {
83 radeon_write_ring_rptr(dev_priv, 0, val);
84 }
85
86 u32 radeon_get_scratch(drm_radeon_private_t *dev_priv, int index)
87 {
88 if (dev_priv->writeback_works) {
89 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
90 return radeon_read_ring_rptr(dev_priv,
91 R600_SCRATCHOFF(index));
92 else
93 return radeon_read_ring_rptr(dev_priv,
94 RADEON_SCRATCHOFF(index));
95 } else {
96 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
97 return RADEON_READ(R600_SCRATCH_REG0 + 4*index);
98 else
99 return RADEON_READ(RADEON_SCRATCH_REG0 + 4*index);
100 }
101 }
102
103 u32 RADEON_READ_MM(drm_radeon_private_t *dev_priv, int addr)
104 {
105 u32 ret;
106
107 if (addr < 0x10000)
108 ret = DRM_READ32(dev_priv->mmio, addr);
109 else {
110 DRM_WRITE32(dev_priv->mmio, RADEON_MM_INDEX, addr);
111 ret = DRM_READ32(dev_priv->mmio, RADEON_MM_DATA);
112 }
113
114 return ret;
115 }
116
117 static u32 R500_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
118 {
119 u32 ret;
120 RADEON_WRITE(R520_MC_IND_INDEX, 0x7f0000 | (addr & 0xff));
121 ret = RADEON_READ(R520_MC_IND_DATA);
122 RADEON_WRITE(R520_MC_IND_INDEX, 0);
123 return ret;
124 }
125
126 static u32 RS480_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
127 {
128 u32 ret;
129 RADEON_WRITE(RS480_NB_MC_INDEX, addr & 0xff);
130 ret = RADEON_READ(RS480_NB_MC_DATA);
131 RADEON_WRITE(RS480_NB_MC_INDEX, 0xff);
132 return ret;
133 }
134
135 static u32 RS690_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
136 {
137 u32 ret;
138 RADEON_WRITE(RS690_MC_INDEX, (addr & RS690_MC_INDEX_MASK));
139 ret = RADEON_READ(RS690_MC_DATA);
140 RADEON_WRITE(RS690_MC_INDEX, RS690_MC_INDEX_MASK);
141 return ret;
142 }
143
144 static u32 RS600_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
145 {
146 u32 ret;
147 RADEON_WRITE(RS600_MC_INDEX, ((addr & RS600_MC_ADDR_MASK) |
148 RS600_MC_IND_CITF_ARB0));
149 ret = RADEON_READ(RS600_MC_DATA);
150 return ret;
151 }
152
153 static u32 IGP_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
154 {
155 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
156 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
157 return RS690_READ_MCIND(dev_priv, addr);
158 else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
159 return RS600_READ_MCIND(dev_priv, addr);
160 else
161 return RS480_READ_MCIND(dev_priv, addr);
162 }
163
164 u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv)
165 {
166
167 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
168 return RADEON_READ(R700_MC_VM_FB_LOCATION);
169 else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
170 return RADEON_READ(R600_MC_VM_FB_LOCATION);
171 else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
172 return R500_READ_MCIND(dev_priv, RV515_MC_FB_LOCATION);
173 else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
174 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
175 return RS690_READ_MCIND(dev_priv, RS690_MC_FB_LOCATION);
176 else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
177 return RS600_READ_MCIND(dev_priv, RS600_MC_FB_LOCATION);
178 else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
179 return R500_READ_MCIND(dev_priv, R520_MC_FB_LOCATION);
180 else
181 return RADEON_READ(RADEON_MC_FB_LOCATION);
182 }
183
184 static void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc)
185 {
186 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
187 RADEON_WRITE(R700_MC_VM_FB_LOCATION, fb_loc);
188 else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
189 RADEON_WRITE(R600_MC_VM_FB_LOCATION, fb_loc);
190 else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
191 R500_WRITE_MCIND(RV515_MC_FB_LOCATION, fb_loc);
192 else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
193 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
194 RS690_WRITE_MCIND(RS690_MC_FB_LOCATION, fb_loc);
195 else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
196 RS600_WRITE_MCIND(RS600_MC_FB_LOCATION, fb_loc);
197 else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
198 R500_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc);
199 else
200 RADEON_WRITE(RADEON_MC_FB_LOCATION, fb_loc);
201 }
202
203 void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_loc)
204 {
205 /*R6xx/R7xx: AGP_TOP and BOT are actually 18 bits each */
206 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770) {
207 RADEON_WRITE(R700_MC_VM_AGP_BOT, agp_loc & 0xffff); /* FIX ME */
208 RADEON_WRITE(R700_MC_VM_AGP_TOP, (agp_loc >> 16) & 0xffff);
209 } else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
210 RADEON_WRITE(R600_MC_VM_AGP_BOT, agp_loc & 0xffff); /* FIX ME */
211 RADEON_WRITE(R600_MC_VM_AGP_TOP, (agp_loc >> 16) & 0xffff);
212 } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
213 R500_WRITE_MCIND(RV515_MC_AGP_LOCATION, agp_loc);
214 else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
215 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
216 RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, agp_loc);
217 else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
218 RS600_WRITE_MCIND(RS600_MC_AGP_LOCATION, agp_loc);
219 else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
220 R500_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc);
221 else
222 RADEON_WRITE(RADEON_MC_AGP_LOCATION, agp_loc);
223 }
224
225 void radeon_write_agp_base(drm_radeon_private_t *dev_priv, u64 agp_base)
226 {
227 u32 agp_base_hi = upper_32_bits(agp_base);
228 u32 agp_base_lo = agp_base & 0xffffffff;
229 u32 r6xx_agp_base = (agp_base >> 22) & 0x3ffff;
230
231 /* R6xx/R7xx must be aligned to a 4MB boundry */
232 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
233 RADEON_WRITE(R700_MC_VM_AGP_BASE, r6xx_agp_base);
234 else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
235 RADEON_WRITE(R600_MC_VM_AGP_BASE, r6xx_agp_base);
236 else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) {
237 R500_WRITE_MCIND(RV515_MC_AGP_BASE, agp_base_lo);
238 R500_WRITE_MCIND(RV515_MC_AGP_BASE_2, agp_base_hi);
239 } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
240 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
241 RS690_WRITE_MCIND(RS690_MC_AGP_BASE, agp_base_lo);
242 RS690_WRITE_MCIND(RS690_MC_AGP_BASE_2, agp_base_hi);
243 } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) {
244 RS600_WRITE_MCIND(RS600_AGP_BASE, agp_base_lo);
245 RS600_WRITE_MCIND(RS600_AGP_BASE_2, agp_base_hi);
246 } else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) {
247 R500_WRITE_MCIND(R520_MC_AGP_BASE, agp_base_lo);
248 R500_WRITE_MCIND(R520_MC_AGP_BASE_2, agp_base_hi);
249 } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
250 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
251 RADEON_WRITE(RADEON_AGP_BASE, agp_base_lo);
252 RADEON_WRITE(RS480_AGP_BASE_2, agp_base_hi);
253 } else {
254 RADEON_WRITE(RADEON_AGP_BASE, agp_base_lo);
255 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R200)
256 RADEON_WRITE(RADEON_AGP_BASE_2, agp_base_hi);
257 }
258 }
259
260 void radeon_enable_bm(struct drm_radeon_private *dev_priv)
261 {
262 u32 tmp;
263 /* Turn on bus mastering */
264 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
265 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
266 /* rs600/rs690/rs740 */
267 tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
268 RADEON_WRITE(RADEON_BUS_CNTL, tmp);
269 } else if (((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV350) ||
270 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) ||
271 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
272 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
273 /* r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
274 tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
275 RADEON_WRITE(RADEON_BUS_CNTL, tmp);
276 } /* PCIE cards appears to not need this */
277 }
278
279 static int RADEON_READ_PLL(struct drm_device * dev, int addr)
280 {
281 drm_radeon_private_t *dev_priv = dev->dev_private;
282
283 RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f);
284 return RADEON_READ(RADEON_CLOCK_CNTL_DATA);
285 }
286
287 static u32 RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
288 {
289 RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff);
290 return RADEON_READ(RADEON_PCIE_DATA);
291 }
292
293 #if RADEON_FIFO_DEBUG
294 static void radeon_status(drm_radeon_private_t * dev_priv)
295 {
296 printk("%s:\n", __func__);
297 printk("RBBM_STATUS = 0x%08x\n",
298 (unsigned int)RADEON_READ(RADEON_RBBM_STATUS));
299 printk("CP_RB_RTPR = 0x%08x\n",
300 (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR));
301 printk("CP_RB_WTPR = 0x%08x\n",
302 (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR));
303 printk("AIC_CNTL = 0x%08x\n",
304 (unsigned int)RADEON_READ(RADEON_AIC_CNTL));
305 printk("AIC_STAT = 0x%08x\n",
306 (unsigned int)RADEON_READ(RADEON_AIC_STAT));
307 printk("AIC_PT_BASE = 0x%08x\n",
308 (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE));
309 printk("TLB_ADDR = 0x%08x\n",
310 (unsigned int)RADEON_READ(RADEON_AIC_TLB_ADDR));
311 printk("TLB_DATA = 0x%08x\n",
312 (unsigned int)RADEON_READ(RADEON_AIC_TLB_DATA));
313 }
314 #endif
315
316 /* ================================================================
317 * Engine, FIFO control
318 */
319
320 static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
321 {
322 u32 tmp;
323 int i;
324
325 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
326
327 if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {
328 tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
329 tmp |= RADEON_RB3D_DC_FLUSH_ALL;
330 RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
331
332 for (i = 0; i < dev_priv->usec_timeout; i++) {
333 if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT)
334 & RADEON_RB3D_DC_BUSY)) {
335 return 0;
336 }
337 DRM_UDELAY(1);
338 }
339 } else {
340 /* don't flush or purge cache here or lockup */
341 return 0;
342 }
343
344 #if RADEON_FIFO_DEBUG
345 DRM_ERROR("failed!\n");
346 radeon_status(dev_priv);
347 #endif
348 return -EBUSY;
349 }
350
351 static int radeon_do_wait_for_fifo(drm_radeon_private_t * dev_priv, int entries)
352 {
353 int i;
354
355 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
356
357 for (i = 0; i < dev_priv->usec_timeout; i++) {
358 int slots = (RADEON_READ(RADEON_RBBM_STATUS)
359 & RADEON_RBBM_FIFOCNT_MASK);
360 if (slots >= entries)
361 return 0;
362 DRM_UDELAY(1);
363 }
364 DRM_DEBUG("wait for fifo failed status : 0x%08X 0x%08X\n",
365 RADEON_READ(RADEON_RBBM_STATUS),
366 RADEON_READ(R300_VAP_CNTL_STATUS));
367
368 #if RADEON_FIFO_DEBUG
369 DRM_ERROR("failed!\n");
370 radeon_status(dev_priv);
371 #endif
372 return -EBUSY;
373 }
374
375 static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv)
376 {
377 int i, ret;
378
379 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
380
381 ret = radeon_do_wait_for_fifo(dev_priv, 64);
382 if (ret)
383 return ret;
384
385 for (i = 0; i < dev_priv->usec_timeout; i++) {
386 if (!(RADEON_READ(RADEON_RBBM_STATUS)
387 & RADEON_RBBM_ACTIVE)) {
388 radeon_do_pixcache_flush(dev_priv);
389 return 0;
390 }
391 DRM_UDELAY(1);
392 }
393 DRM_DEBUG("wait idle failed status : 0x%08X 0x%08X\n",
394 RADEON_READ(RADEON_RBBM_STATUS),
395 RADEON_READ(R300_VAP_CNTL_STATUS));
396
397 #if RADEON_FIFO_DEBUG
398 DRM_ERROR("failed!\n");
399 radeon_status(dev_priv);
400 #endif
401 return -EBUSY;
402 }
403
404 static void radeon_init_pipes(drm_radeon_private_t *dev_priv)
405 {
406 uint32_t gb_tile_config, gb_pipe_sel = 0;
407
408 /* RS4xx/RS6xx/R4xx/R5xx */
409 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R420) {
410 gb_pipe_sel = RADEON_READ(R400_GB_PIPE_SELECT);
411 dev_priv->num_gb_pipes = ((gb_pipe_sel >> 12) & 0x3) + 1;
412 } else {
413 /* R3xx */
414 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300) ||
415 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350)) {
416 dev_priv->num_gb_pipes = 2;
417 } else {
418 /* R3Vxx */
419 dev_priv->num_gb_pipes = 1;
420 }
421 }
422 DRM_INFO("Num pipes: %d\n", dev_priv->num_gb_pipes);
423
424 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16 /*| R300_SUBPIXEL_1_16*/);
425
426 switch (dev_priv->num_gb_pipes) {
427 case 2: gb_tile_config |= R300_PIPE_COUNT_R300; break;
428 case 3: gb_tile_config |= R300_PIPE_COUNT_R420_3P; break;
429 case 4: gb_tile_config |= R300_PIPE_COUNT_R420; break;
430 default:
431 case 1: gb_tile_config |= R300_PIPE_COUNT_RV350; break;
432 }
433
434 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) {
435 RADEON_WRITE_PLL(R500_DYN_SCLK_PWMEM_PIPE, (1 | ((gb_pipe_sel >> 8) & 0xf) << 4));
436 RADEON_WRITE(R300_SU_REG_DEST, ((1 << dev_priv->num_gb_pipes) - 1));
437 }
438 RADEON_WRITE(R300_GB_TILE_CONFIG, gb_tile_config);
439 radeon_do_wait_for_idle(dev_priv);
440 RADEON_WRITE(R300_DST_PIPE_CONFIG, RADEON_READ(R300_DST_PIPE_CONFIG) | R300_PIPE_AUTO_CONFIG);
441 RADEON_WRITE(R300_RB2D_DSTCACHE_MODE, (RADEON_READ(R300_RB2D_DSTCACHE_MODE) |
442 R300_DC_AUTOFLUSH_ENABLE |
443 R300_DC_DC_DISABLE_IGNORE_PE));
444
445
446 }
447
448 /* ================================================================
449 * CP control, initialization
450 */
451
452 /* Load the microcode for the CP */
453 static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
454 {
455 const u32 (*cp)[2];
456 int i;
457
458 DRM_DEBUG("\n");
459
460 switch (dev_priv->flags & RADEON_FAMILY_MASK) {
461 case CHIP_R100:
462 case CHIP_RV100:
463 case CHIP_RV200:
464 case CHIP_RS100:
465 case CHIP_RS200:
466 DRM_INFO("Loading R100 Microcode\n");
467 cp = R100_cp_microcode;
468 break;
469 case CHIP_R200:
470 case CHIP_RV250:
471 case CHIP_RV280:
472 case CHIP_RS300:
473 DRM_INFO("Loading R200 Microcode\n");
474 cp = R200_cp_microcode;
475 break;
476 case CHIP_R300:
477 case CHIP_R350:
478 case CHIP_RV350:
479 case CHIP_RV380:
480 case CHIP_RS400:
481 case CHIP_RS480:
482 DRM_INFO("Loading R300 Microcode\n");
483 cp = R300_cp_microcode;
484 break;
485 case CHIP_R420:
486 case CHIP_R423:
487 case CHIP_RV410:
488 DRM_INFO("Loading R400 Microcode\n");
489 cp = R420_cp_microcode;
490 break;
491 case CHIP_RS690:
492 case CHIP_RS740:
493 DRM_INFO("Loading RS690/RS740 Microcode\n");
494 cp = RS690_cp_microcode;
495 break;
496 case CHIP_RS600:
497 DRM_INFO("Loading RS600 Microcode\n");
498 cp = RS600_cp_microcode;
499 break;
500 case CHIP_RV515:
501 case CHIP_R520:
502 case CHIP_RV530:
503 case CHIP_R580:
504 case CHIP_RV560:
505 case CHIP_RV570:
506 DRM_INFO("Loading R500 Microcode\n");
507 cp = R520_cp_microcode;
508 break;
509 default:
510 return;
511 }
512
513 radeon_do_wait_for_idle(dev_priv);
514
515 RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
516
517 for (i = 0; i != 256; i++) {
518 RADEON_WRITE(RADEON_CP_ME_RAM_DATAH, cp[i][1]);
519 RADEON_WRITE(RADEON_CP_ME_RAM_DATAL, cp[i][0]);
520 }
521 }
522
523 /* Flush any pending commands to the CP. This should only be used just
524 * prior to a wait for idle, as it informs the engine that the command
525 * stream is ending.
526 */
527 static void radeon_do_cp_flush(drm_radeon_private_t * dev_priv)
528 {
529 DRM_DEBUG("\n");
530 #if 0
531 u32 tmp;
532
533 tmp = RADEON_READ(RADEON_CP_RB_WPTR) | (1 << 31);
534 RADEON_WRITE(RADEON_CP_RB_WPTR, tmp);
535 #endif
536 }
537
538 /* Wait for the CP to go idle.
539 */
540 int radeon_do_cp_idle(drm_radeon_private_t * dev_priv)
541 {
542 RING_LOCALS;
543 DRM_DEBUG("\n");
544
545 BEGIN_RING(6);
546
547 RADEON_PURGE_CACHE();
548 RADEON_PURGE_ZCACHE();
549 RADEON_WAIT_UNTIL_IDLE();
550
551 ADVANCE_RING();
552 COMMIT_RING();
553
554 return radeon_do_wait_for_idle(dev_priv);
555 }
556
557 /* Start the Command Processor.
558 */
559 static void radeon_do_cp_start(drm_radeon_private_t * dev_priv)
560 {
561 RING_LOCALS;
562 DRM_DEBUG("\n");
563
564 radeon_do_wait_for_idle(dev_priv);
565
566 RADEON_WRITE(RADEON_CP_CSQ_CNTL, dev_priv->cp_mode);
567
568 dev_priv->cp_running = 1;
569
570 BEGIN_RING(8);
571 /* isync can only be written through cp on r5xx write it here */
572 OUT_RING(CP_PACKET0(RADEON_ISYNC_CNTL, 0));
573 OUT_RING(RADEON_ISYNC_ANY2D_IDLE3D |
574 RADEON_ISYNC_ANY3D_IDLE2D |
575 RADEON_ISYNC_WAIT_IDLEGUI |
576 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
577 RADEON_PURGE_CACHE();
578 RADEON_PURGE_ZCACHE();
579 RADEON_WAIT_UNTIL_IDLE();
580 ADVANCE_RING();
581 COMMIT_RING();
582
583 dev_priv->track_flush |= RADEON_FLUSH_EMITED | RADEON_PURGE_EMITED;
584 }
585
586 /* Reset the Command Processor. This will not flush any pending
587 * commands, so you must wait for the CP command stream to complete
588 * before calling this routine.
589 */
590 static void radeon_do_cp_reset(drm_radeon_private_t * dev_priv)
591 {
592 u32 cur_read_ptr;
593 DRM_DEBUG("\n");
594
595 cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
596 RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
597 SET_RING_HEAD(dev_priv, cur_read_ptr);
598 dev_priv->ring.tail = cur_read_ptr;
599 }
600
601 /* Stop the Command Processor. This will not flush any pending
602 * commands, so you must flush the command stream and wait for the CP
603 * to go idle before calling this routine.
604 */
605 static void radeon_do_cp_stop(drm_radeon_private_t * dev_priv)
606 {
607 DRM_DEBUG("\n");
608
609 RADEON_WRITE(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS);
610
611 dev_priv->cp_running = 0;
612 }
613
614 /* Reset the engine. This will stop the CP if it is running.
615 */
616 static int radeon_do_engine_reset(struct drm_device * dev)
617 {
618 drm_radeon_private_t *dev_priv = dev->dev_private;
619 u32 clock_cntl_index = 0, mclk_cntl = 0, rbbm_soft_reset;
620 DRM_DEBUG("\n");
621
622 radeon_do_pixcache_flush(dev_priv);
623
624 if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV410) {
625 /* may need something similar for newer chips */
626 clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
627 mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
628
629 RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
630 RADEON_FORCEON_MCLKA |
631 RADEON_FORCEON_MCLKB |
632 RADEON_FORCEON_YCLKA |
633 RADEON_FORCEON_YCLKB |
634 RADEON_FORCEON_MC |
635 RADEON_FORCEON_AIC));
636 }
637
638 rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
639
640 RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
641 RADEON_SOFT_RESET_CP |
642 RADEON_SOFT_RESET_HI |
643 RADEON_SOFT_RESET_SE |
644 RADEON_SOFT_RESET_RE |
645 RADEON_SOFT_RESET_PP |
646 RADEON_SOFT_RESET_E2 |
647 RADEON_SOFT_RESET_RB));
648 RADEON_READ(RADEON_RBBM_SOFT_RESET);
649 RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
650 ~(RADEON_SOFT_RESET_CP |
651 RADEON_SOFT_RESET_HI |
652 RADEON_SOFT_RESET_SE |
653 RADEON_SOFT_RESET_RE |
654 RADEON_SOFT_RESET_PP |
655 RADEON_SOFT_RESET_E2 |
656 RADEON_SOFT_RESET_RB)));
657 RADEON_READ(RADEON_RBBM_SOFT_RESET);
658
659 if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV410) {
660 RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
661 RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
662 RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
663 }
664
665 /* setup the raster pipes */
666 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R300)
667 radeon_init_pipes(dev_priv);
668
669 /* Reset the CP ring */
670 radeon_do_cp_reset(dev_priv);
671
672 /* The CP is no longer running after an engine reset */
673 dev_priv->cp_running = 0;
674
675 /* Reset any pending vertex, indirect buffers */
676 radeon_freelist_reset(dev);
677
678 return 0;
679 }
680
681 static void radeon_cp_init_ring_buffer(struct drm_device * dev,
682 drm_radeon_private_t *dev_priv,
683 struct drm_file *file_priv)
684 {
685 u32 ring_start, cur_read_ptr;
686
687 /* Initialize the memory controller. With new memory map, the fb location
688 * is not changed, it should have been properly initialized already. Part
689 * of the problem is that the code below is bogus, assuming the GART is
690 * always appended to the fb which is not necessarily the case
691 */
692 if (!dev_priv->new_memmap)
693 radeon_write_fb_location(dev_priv,
694 ((dev_priv->gart_vm_start - 1) & 0xffff0000)
695 | (dev_priv->fb_location >> 16));
696
697 #if __OS_HAS_AGP
698 if (dev_priv->flags & RADEON_IS_AGP) {
699 radeon_write_agp_base(dev_priv, dev->agp->base);
700
701 radeon_write_agp_location(dev_priv,
702 (((dev_priv->gart_vm_start - 1 +
703 dev_priv->gart_size) & 0xffff0000) |
704 (dev_priv->gart_vm_start >> 16)));
705
706 ring_start = (dev_priv->cp_ring->offset
707 - dev->agp->base
708 + dev_priv->gart_vm_start);
709 } else
710 #endif
711 ring_start = (dev_priv->cp_ring->offset
712 - (unsigned long)dev->sg->virtual
713 + dev_priv->gart_vm_start);
714
715 RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
716
717 /* Set the write pointer delay */
718 RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
719
720 /* Initialize the ring buffer's read and write pointers */
721 cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
722 RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
723 SET_RING_HEAD(dev_priv, cur_read_ptr);
724 dev_priv->ring.tail = cur_read_ptr;
725
726 #if __OS_HAS_AGP
727 if (dev_priv->flags & RADEON_IS_AGP) {
728 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
729 dev_priv->ring_rptr->offset
730 - dev->agp->base + dev_priv->gart_vm_start);
731 } else
732 #endif
733 {
734 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
735 dev_priv->ring_rptr->offset
736 - ((unsigned long) dev->sg->virtual)
737 + dev_priv->gart_vm_start);
738 }
739
740 /* Set ring buffer size */
741 #ifdef __BIG_ENDIAN
742 RADEON_WRITE(RADEON_CP_RB_CNTL,
743 RADEON_BUF_SWAP_32BIT |
744 (dev_priv->ring.fetch_size_l2ow << 18) |
745 (dev_priv->ring.rptr_update_l2qw << 8) |
746 dev_priv->ring.size_l2qw);
747 #else
748 RADEON_WRITE(RADEON_CP_RB_CNTL,
749 (dev_priv->ring.fetch_size_l2ow << 18) |
750 (dev_priv->ring.rptr_update_l2qw << 8) |
751 dev_priv->ring.size_l2qw);
752 #endif
753
754
755 /* Initialize the scratch register pointer. This will cause
756 * the scratch register values to be written out to memory
757 * whenever they are updated.
758 *
759 * We simply put this behind the ring read pointer, this works
760 * with PCI GART as well as (whatever kind of) AGP GART
761 */
762 RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
763 + RADEON_SCRATCH_REG_OFFSET);
764
765 RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
766
767 radeon_enable_bm(dev_priv);
768
769 radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(0), 0);
770 RADEON_WRITE(RADEON_LAST_FRAME_REG, 0);
771
772 radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1), 0);
773 RADEON_WRITE(RADEON_LAST_DISPATCH_REG, 0);
774
775 radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(2), 0);
776 RADEON_WRITE(RADEON_LAST_CLEAR_REG, 0);
777
778 /* reset sarea copies of these */
779 if (dev_priv->sarea_priv) {
780 dev_priv->sarea_priv->last_frame = 0;
781 dev_priv->sarea_priv->last_dispatch = 0;
782 dev_priv->sarea_priv->last_clear = 0;
783 }
784
785 radeon_do_wait_for_idle(dev_priv);
786
787 /* Sync everything up */
788 RADEON_WRITE(RADEON_ISYNC_CNTL,
789 (RADEON_ISYNC_ANY2D_IDLE3D |
790 RADEON_ISYNC_ANY3D_IDLE2D |
791 RADEON_ISYNC_WAIT_IDLEGUI |
792 RADEON_ISYNC_CPSCRATCH_IDLEGUI));
793
794 }
795
796 static void radeon_test_writeback(drm_radeon_private_t * dev_priv)
797 {
798 u32 tmp;
799
800 /* Start with assuming that writeback doesn't work */
801 dev_priv->writeback_works = 0;
802
803 /* Writeback doesn't seem to work everywhere, test it here and possibly
804 * enable it if it appears to work
805 */
806 radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1), 0);
807
808 RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
809
810 for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
811 u32 val;
812
813 val = radeon_read_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1));
814 if (val == 0xdeadbeef)
815 break;
816 DRM_UDELAY(1);
817 }
818
819 if (tmp < dev_priv->usec_timeout) {
820 dev_priv->writeback_works = 1;
821 DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
822 } else {
823 dev_priv->writeback_works = 0;
824 DRM_INFO("writeback test failed\n");
825 }
826 if (radeon_no_wb == 1) {
827 dev_priv->writeback_works = 0;
828 DRM_INFO("writeback forced off\n");
829 }
830
831 if (!dev_priv->writeback_works) {
832 /* Disable writeback to avoid unnecessary bus master transfer */
833 RADEON_WRITE(RADEON_CP_RB_CNTL, RADEON_READ(RADEON_CP_RB_CNTL) |
834 RADEON_RB_NO_UPDATE);
835 RADEON_WRITE(RADEON_SCRATCH_UMSK, 0);
836 }
837 }
838
839 /* Enable or disable IGP GART on the chip */
840 static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on)
841 {
842 u32 temp;
843
844 if (on) {
845 DRM_DEBUG("programming igp gart %08X %08lX %08X\n",
846 dev_priv->gart_vm_start,
847 (long)dev_priv->gart_info.bus_addr,
848 dev_priv->gart_size);
849
850 temp = IGP_READ_MCIND(dev_priv, RS480_MC_MISC_CNTL);
851 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
852 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
853 IGP_WRITE_MCIND(RS480_MC_MISC_CNTL, (RS480_GART_INDEX_REG_EN |
854 RS690_BLOCK_GFX_D3_EN));
855 else
856 IGP_WRITE_MCIND(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);
857
858 IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN |
859 RS480_VA_SIZE_32MB));
860
861 temp = IGP_READ_MCIND(dev_priv, RS480_GART_FEATURE_ID);
862 IGP_WRITE_MCIND(RS480_GART_FEATURE_ID, (RS480_HANG_EN |
863 RS480_TLB_ENABLE |
864 RS480_GTW_LAC_EN |
865 RS480_1LEVEL_GART));
866
867 temp = dev_priv->gart_info.bus_addr & 0xfffff000;
868 temp |= (upper_32_bits(dev_priv->gart_info.bus_addr) & 0xff) << 4;
869 IGP_WRITE_MCIND(RS480_GART_BASE, temp);
870
871 temp = IGP_READ_MCIND(dev_priv, RS480_AGP_MODE_CNTL);
872 IGP_WRITE_MCIND(RS480_AGP_MODE_CNTL, ((1 << RS480_REQ_TYPE_SNOOP_SHIFT) |
873 RS480_REQ_TYPE_SNOOP_DIS));
874
875 radeon_write_agp_base(dev_priv, dev_priv->gart_vm_start);
876
877 dev_priv->gart_size = 32*1024*1024;
878 temp = (((dev_priv->gart_vm_start - 1 + dev_priv->gart_size) &
879 0xffff0000) | (dev_priv->gart_vm_start >> 16));
880
881 radeon_write_agp_location(dev_priv, temp);
882
883 temp = IGP_READ_MCIND(dev_priv, RS480_AGP_ADDRESS_SPACE_SIZE);
884 IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN |
885 RS480_VA_SIZE_32MB));
886
887 do {
888 temp = IGP_READ_MCIND(dev_priv, RS480_GART_CACHE_CNTRL);
889 if ((temp & RS480_GART_CACHE_INVALIDATE) == 0)
890 break;
891 DRM_UDELAY(1);
892 } while (1);
893
894 IGP_WRITE_MCIND(RS480_GART_CACHE_CNTRL,
895 RS480_GART_CACHE_INVALIDATE);
896
897 do {
898 temp = IGP_READ_MCIND(dev_priv, RS480_GART_CACHE_CNTRL);
899 if ((temp & RS480_GART_CACHE_INVALIDATE) == 0)
900 break;
901 DRM_UDELAY(1);
902 } while (1);
903
904 IGP_WRITE_MCIND(RS480_GART_CACHE_CNTRL, 0);
905 } else {
906 IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, 0);
907 }
908 }
909
910 /* Enable or disable IGP GART on the chip */
911 static void rs600_set_igpgart(drm_radeon_private_t *dev_priv, int on)
912 {
913 u32 temp;
914 int i;
915
916 if (on) {
917 DRM_DEBUG("programming igp gart %08X %08lX %08X\n",
918 dev_priv->gart_vm_start,
919 (long)dev_priv->gart_info.bus_addr,
920 dev_priv->gart_size);
921
922 IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, (RS600_EFFECTIVE_L2_CACHE_SIZE(6) |
923 RS600_EFFECTIVE_L2_QUEUE_SIZE(6)));
924
925 for (i = 0; i < 19; i++)
926 IGP_WRITE_MCIND(RS600_MC_PT0_CLIENT0_CNTL + i,
927 (RS600_ENABLE_TRANSLATION_MODE_OVERRIDE |
928 RS600_SYSTEM_ACCESS_MODE_IN_SYS |
929 RS600_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASSTHROUGH |
930 RS600_EFFECTIVE_L1_CACHE_SIZE(3) |
931 RS600_ENABLE_FRAGMENT_PROCESSING |
932 RS600_EFFECTIVE_L1_QUEUE_SIZE(3)));
933
934 IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_CNTL, (RS600_ENABLE_PAGE_TABLE |
935 RS600_PAGE_TABLE_TYPE_FLAT));
936
937 /* disable all other contexts */
938 for (i = 1; i < 8; i++)
939 IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_CNTL + i, 0);
940
941 /* setup the page table aperture */
942 IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
943 dev_priv->gart_info.bus_addr);
944 IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_START_ADDR,
945 dev_priv->gart_vm_start);
946 IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_END_ADDR,
947 (dev_priv->gart_vm_start + dev_priv->gart_size - 1));
948 IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
949
950 /* setup the system aperture */
951 IGP_WRITE_MCIND(RS600_MC_PT0_SYSTEM_APERTURE_LOW_ADDR,
952 dev_priv->gart_vm_start);
953 IGP_WRITE_MCIND(RS600_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR,
954 (dev_priv->gart_vm_start + dev_priv->gart_size - 1));
955
956 /* enable page tables */
957 temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
958 IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, (temp | RS600_ENABLE_PT));
959
960 temp = IGP_READ_MCIND(dev_priv, RS600_MC_CNTL1);
961 IGP_WRITE_MCIND(RS600_MC_CNTL1, (temp | RS600_ENABLE_PAGE_TABLES));
962
963 /* invalidate the cache */
964 temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
965
966 temp &= ~(RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE);
967 IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp);
968 temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
969
970 temp |= RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE;
971 IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp);
972 temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
973
974 temp &= ~(RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE);
975 IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp);
976 temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
977
978 } else {
979 IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, 0);
980 temp = IGP_READ_MCIND(dev_priv, RS600_MC_CNTL1);
981 temp &= ~RS600_ENABLE_PAGE_TABLES;
982 IGP_WRITE_MCIND(RS600_MC_CNTL1, temp);
983 }
984 }
985
986 static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
987 {
988 u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
989 if (on) {
990
991 DRM_DEBUG("programming pcie %08X %08lX %08X\n",
992 dev_priv->gart_vm_start,
993 (long)dev_priv->gart_info.bus_addr,
994 dev_priv->gart_size);
995 RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO,
996 dev_priv->gart_vm_start);
997 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE,
998 dev_priv->gart_info.bus_addr);
999 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO,
1000 dev_priv->gart_vm_start);
1001 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO,
1002 dev_priv->gart_vm_start +
1003 dev_priv->gart_size - 1);
1004
1005 radeon_write_agp_location(dev_priv, 0xffffffc0); /* ?? */
1006
1007 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1008 RADEON_PCIE_TX_GART_EN);
1009 } else {
1010 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1011 tmp & ~RADEON_PCIE_TX_GART_EN);
1012 }
1013 }
1014
1015 /* Enable or disable PCI GART on the chip */
1016 static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
1017 {
1018 u32 tmp;
1019
1020 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
1021 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740) ||
1022 (dev_priv->flags & RADEON_IS_IGPGART)) {
1023 radeon_set_igpgart(dev_priv, on);
1024 return;
1025 }
1026
1027 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) {
1028 rs600_set_igpgart(dev_priv, on);
1029 return;
1030 }
1031
1032 if (dev_priv->flags & RADEON_IS_PCIE) {
1033 radeon_set_pciegart(dev_priv, on);
1034 return;
1035 }
1036
1037 tmp = RADEON_READ(RADEON_AIC_CNTL);
1038
1039 if (on) {
1040 RADEON_WRITE(RADEON_AIC_CNTL,
1041 tmp | RADEON_PCIGART_TRANSLATE_EN);
1042
1043 /* set PCI GART page-table base address
1044 */
1045 RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->gart_info.bus_addr);
1046
1047 /* set address range for PCI address translate
1048 */
1049 RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
1050 RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
1051 + dev_priv->gart_size - 1);
1052
1053 /* Turn off AGP aperture -- is this required for PCI GART?
1054 */
1055 radeon_write_agp_location(dev_priv, 0xffffffc0);
1056 RADEON_WRITE(RADEON_AGP_COMMAND, 0); /* clear AGP_COMMAND */
1057 } else {
1058 RADEON_WRITE(RADEON_AIC_CNTL,
1059 tmp & ~RADEON_PCIGART_TRANSLATE_EN);
1060 }
1061 }
1062
1063 static int radeon_setup_pcigart_surface(drm_radeon_private_t *dev_priv)
1064 {
1065 struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
1066 struct radeon_virt_surface *vp;
1067 int i;
1068
1069 for (i = 0; i < RADEON_MAX_SURFACES * 2; i++) {
1070 if (!dev_priv->virt_surfaces[i].file_priv ||
1071 dev_priv->virt_surfaces[i].file_priv == PCIGART_FILE_PRIV)
1072 break;
1073 }
1074 if (i >= 2 * RADEON_MAX_SURFACES)
1075 return -ENOMEM;
1076 vp = &dev_priv->virt_surfaces[i];
1077
1078 for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1079 struct radeon_surface *sp = &dev_priv->surfaces[i];
1080 if (sp->refcount)
1081 continue;
1082
1083 vp->surface_index = i;
1084 vp->lower = gart_info->bus_addr;
1085 vp->upper = vp->lower + gart_info->table_size;
1086 vp->flags = 0;
1087 vp->file_priv = PCIGART_FILE_PRIV;
1088
1089 sp->refcount = 1;
1090 sp->lower = vp->lower;
1091 sp->upper = vp->upper;
1092 sp->flags = 0;
1093
1094 RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, sp->flags);
1095 RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16 * i, sp->lower);
1096 RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16 * i, sp->upper);
1097 return 0;
1098 }
1099
1100 return -ENOMEM;
1101 }
1102
1103 static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
1104 struct drm_file *file_priv)
1105 {
1106 drm_radeon_private_t *dev_priv = dev->dev_private;
1107
1108 DRM_DEBUG("\n");
1109
1110 /* if we require new memory map but we don't have it fail */
1111 if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
1112 DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
1113 radeon_do_cleanup_cp(dev);
1114 return -EINVAL;
1115 }
1116
1117 if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
1118 DRM_DEBUG("Forcing AGP card to PCI mode\n");
1119 dev_priv->flags &= ~RADEON_IS_AGP;
1120 } else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
1121 && !init->is_pci) {
1122 DRM_DEBUG("Restoring AGP flag\n");
1123 dev_priv->flags |= RADEON_IS_AGP;
1124 }
1125
1126 if ((!(dev_priv->flags & RADEON_IS_AGP)) && !dev->sg) {
1127 DRM_ERROR("PCI GART memory not allocated!\n");
1128 radeon_do_cleanup_cp(dev);
1129 return -EINVAL;
1130 }
1131
1132 dev_priv->usec_timeout = init->usec_timeout;
1133 if (dev_priv->usec_timeout < 1 ||
1134 dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
1135 DRM_DEBUG("TIMEOUT problem!\n");
1136 radeon_do_cleanup_cp(dev);
1137 return -EINVAL;
1138 }
1139
1140 /* Enable vblank on CRTC1 for older X servers
1141 */
1142 dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
1143
1144 switch(init->func) {
1145 case RADEON_INIT_R200_CP:
1146 dev_priv->microcode_version = UCODE_R200;
1147 break;
1148 case RADEON_INIT_R300_CP:
1149 dev_priv->microcode_version = UCODE_R300;
1150 break;
1151 default:
1152 dev_priv->microcode_version = UCODE_R100;
1153 }
1154
1155 dev_priv->do_boxes = 0;
1156 dev_priv->cp_mode = init->cp_mode;
1157
1158 /* We don't support anything other than bus-mastering ring mode,
1159 * but the ring can be in either AGP or PCI space for the ring
1160 * read pointer.
1161 */
1162 if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
1163 (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
1164 DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
1165 radeon_do_cleanup_cp(dev);
1166 return -EINVAL;
1167 }
1168
1169 switch (init->fb_bpp) {
1170 case 16:
1171 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1172 break;
1173 case 32:
1174 default:
1175 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1176 break;
1177 }
1178 dev_priv->front_offset = init->front_offset;
1179 dev_priv->front_pitch = init->front_pitch;
1180 dev_priv->back_offset = init->back_offset;
1181 dev_priv->back_pitch = init->back_pitch;
1182
1183 switch (init->depth_bpp) {
1184 case 16:
1185 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
1186 break;
1187 case 32:
1188 default:
1189 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
1190 break;
1191 }
1192 dev_priv->depth_offset = init->depth_offset;
1193 dev_priv->depth_pitch = init->depth_pitch;
1194
1195 /* Hardware state for depth clears. Remove this if/when we no
1196 * longer clear the depth buffer with a 3D rectangle. Hard-code
1197 * all values to prevent unwanted 3D state from slipping through
1198 * and screwing with the clear operation.
1199 */
1200 dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
1201 (dev_priv->color_fmt << 10) |
1202 (dev_priv->microcode_version ==
1203 UCODE_R100 ? RADEON_ZBLOCK16 : 0));
1204
1205 dev_priv->depth_clear.rb3d_zstencilcntl =
1206 (dev_priv->depth_fmt |
1207 RADEON_Z_TEST_ALWAYS |
1208 RADEON_STENCIL_TEST_ALWAYS |
1209 RADEON_STENCIL_S_FAIL_REPLACE |
1210 RADEON_STENCIL_ZPASS_REPLACE |
1211 RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
1212
1213 dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
1214 RADEON_BFACE_SOLID |
1215 RADEON_FFACE_SOLID |
1216 RADEON_FLAT_SHADE_VTX_LAST |
1217 RADEON_DIFFUSE_SHADE_FLAT |
1218 RADEON_ALPHA_SHADE_FLAT |
1219 RADEON_SPECULAR_SHADE_FLAT |
1220 RADEON_FOG_SHADE_FLAT |
1221 RADEON_VTX_PIX_CENTER_OGL |
1222 RADEON_ROUND_MODE_TRUNC |
1223 RADEON_ROUND_PREC_8TH_PIX);
1224
1225
1226 dev_priv->ring_offset = init->ring_offset;
1227 dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1228 dev_priv->buffers_offset = init->buffers_offset;
1229 dev_priv->gart_textures_offset = init->gart_textures_offset;
1230
1231 dev_priv->sarea = drm_getsarea(dev);
1232 if (!dev_priv->sarea) {
1233 DRM_ERROR("could not find sarea!\n");
1234 radeon_do_cleanup_cp(dev);
1235 return -EINVAL;
1236 }
1237
1238 dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1239 if (!dev_priv->cp_ring) {
1240 DRM_ERROR("could not find cp ring region!\n");
1241 radeon_do_cleanup_cp(dev);
1242 return -EINVAL;
1243 }
1244 dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1245 if (!dev_priv->ring_rptr) {
1246 DRM_ERROR("could not find ring read pointer!\n");
1247 radeon_do_cleanup_cp(dev);
1248 return -EINVAL;
1249 }
1250 dev->agp_buffer_token = init->buffers_offset;
1251 dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1252 if (!dev->agp_buffer_map) {
1253 DRM_ERROR("could not find dma buffer region!\n");
1254 radeon_do_cleanup_cp(dev);
1255 return -EINVAL;
1256 }
1257
1258 if (init->gart_textures_offset) {
1259 dev_priv->gart_textures =
1260 drm_core_findmap(dev, init->gart_textures_offset);
1261 if (!dev_priv->gart_textures) {
1262 DRM_ERROR("could not find GART texture region!\n");
1263 radeon_do_cleanup_cp(dev);
1264 return -EINVAL;
1265 }
1266 }
1267
1268 dev_priv->sarea_priv =
1269 (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
1270 init->sarea_priv_offset);
1271
1272 #if __OS_HAS_AGP
1273 if (dev_priv->flags & RADEON_IS_AGP) {
1274 drm_core_ioremap_wc(dev_priv->cp_ring, dev);
1275 drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
1276 drm_core_ioremap_wc(dev->agp_buffer_map, dev);
1277 if (!dev_priv->cp_ring->handle ||
1278 !dev_priv->ring_rptr->handle ||
1279 !dev->agp_buffer_map->handle) {
1280 DRM_ERROR("could not find ioremap agp regions!\n");
1281 radeon_do_cleanup_cp(dev);
1282 return -EINVAL;
1283 }
1284 } else
1285 #endif
1286 {
1287 dev_priv->cp_ring->handle =
1288 (void *)(unsigned long)dev_priv->cp_ring->offset;
1289 dev_priv->ring_rptr->handle =
1290 (void *)(unsigned long)dev_priv->ring_rptr->offset;
1291 dev->agp_buffer_map->handle =
1292 (void *)(unsigned long)dev->agp_buffer_map->offset;
1293
1294 DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1295 dev_priv->cp_ring->handle);
1296 DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1297 dev_priv->ring_rptr->handle);
1298 DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1299 dev->agp_buffer_map->handle);
1300 }
1301
1302 dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 16;
1303 dev_priv->fb_size =
1304 ((radeon_read_fb_location(dev_priv) & 0xffff0000u) + 0x10000)
1305 - dev_priv->fb_location;
1306
1307 dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
1308 ((dev_priv->front_offset
1309 + dev_priv->fb_location) >> 10));
1310
1311 dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
1312 ((dev_priv->back_offset
1313 + dev_priv->fb_location) >> 10));
1314
1315 dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
1316 ((dev_priv->depth_offset
1317 + dev_priv->fb_location) >> 10));
1318
1319 dev_priv->gart_size = init->gart_size;
1320
1321 /* New let's set the memory map ... */
1322 if (dev_priv->new_memmap) {
1323 u32 base = 0;
1324
1325 DRM_INFO("Setting GART location based on new memory map\n");
1326
1327 /* If using AGP, try to locate the AGP aperture at the same
1328 * location in the card and on the bus, though we have to
1329 * align it down.
1330 */
1331 #if __OS_HAS_AGP
1332 if (dev_priv->flags & RADEON_IS_AGP) {
1333 base = dev->agp->base;
1334 /* Check if valid */
1335 if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
1336 base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
1337 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
1338 dev->agp->base);
1339 base = 0;
1340 }
1341 }
1342 #endif
1343 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
1344 if (base == 0) {
1345 base = dev_priv->fb_location + dev_priv->fb_size;
1346 if (base < dev_priv->fb_location ||
1347 ((base + dev_priv->gart_size) & 0xfffffffful) < base)
1348 base = dev_priv->fb_location
1349 - dev_priv->gart_size;
1350 }
1351 dev_priv->gart_vm_start = base & 0xffc00000u;
1352 if (dev_priv->gart_vm_start != base)
1353 DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
1354 base, dev_priv->gart_vm_start);
1355 } else {
1356 DRM_INFO("Setting GART location based on old memory map\n");
1357 dev_priv->gart_vm_start = dev_priv->fb_location +
1358 RADEON_READ(RADEON_CONFIG_APER_SIZE);
1359 }
1360
1361 #if __OS_HAS_AGP
1362 if (dev_priv->flags & RADEON_IS_AGP)
1363 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1364 - dev->agp->base
1365 + dev_priv->gart_vm_start);
1366 else
1367 #endif
1368 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1369 - (unsigned long)dev->sg->virtual
1370 + dev_priv->gart_vm_start);
1371
1372 DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
1373 DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
1374 DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
1375 dev_priv->gart_buffers_offset);
1376
1377 dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
1378 dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
1379 + init->ring_size / sizeof(u32));
1380 dev_priv->ring.size = init->ring_size;
1381 dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
1382
1383 dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
1384 dev_priv->ring.rptr_update_l2qw = drm_order( /* init->rptr_update */ 4096 / 8);
1385
1386 dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
1387 dev_priv->ring.fetch_size_l2ow = drm_order( /* init->fetch_size */ 32 / 16);
1388 dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
1389
1390 dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
1391
1392 #if __OS_HAS_AGP
1393 if (dev_priv->flags & RADEON_IS_AGP) {
1394 /* Turn off PCI GART */
1395 radeon_set_pcigart(dev_priv, 0);
1396 } else
1397 #endif
1398 {
1399 u32 sctrl;
1400 int ret;
1401
1402 dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
1403 /* if we have an offset set from userspace */
1404 if (dev_priv->pcigart_offset_set) {
1405 dev_priv->gart_info.bus_addr =
1406 dev_priv->pcigart_offset + dev_priv->fb_location;
1407 dev_priv->gart_info.mapping.offset =
1408 dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
1409 dev_priv->gart_info.mapping.size =
1410 dev_priv->gart_info.table_size;
1411
1412 drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
1413 dev_priv->gart_info.addr =
1414 dev_priv->gart_info.mapping.handle;
1415
1416 if (dev_priv->flags & RADEON_IS_PCIE)
1417 dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCIE;
1418 else
1419 dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
1420 dev_priv->gart_info.gart_table_location =
1421 DRM_ATI_GART_FB;
1422
1423 DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
1424 dev_priv->gart_info.addr,
1425 dev_priv->pcigart_offset);
1426 } else {
1427 if (dev_priv->flags & RADEON_IS_IGPGART)
1428 dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_IGP;
1429 else
1430 dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
1431 dev_priv->gart_info.gart_table_location =
1432 DRM_ATI_GART_MAIN;
1433 dev_priv->gart_info.addr = NULL;
1434 dev_priv->gart_info.bus_addr = 0;
1435 if (dev_priv->flags & RADEON_IS_PCIE) {
1436 DRM_ERROR
1437 ("Cannot use PCI Express without GART in FB memory\n");
1438 radeon_do_cleanup_cp(dev);
1439 return -EINVAL;
1440 }
1441 }
1442
1443 sctrl = RADEON_READ(RADEON_SURFACE_CNTL);
1444 RADEON_WRITE(RADEON_SURFACE_CNTL, 0);
1445 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
1446 ret = r600_page_table_init(dev);
1447 else
1448 ret = drm_ati_pcigart_init(dev, &dev_priv->gart_info);
1449 RADEON_WRITE(RADEON_SURFACE_CNTL, sctrl);
1450
1451 if (!ret) {
1452 DRM_ERROR("failed to init PCI GART!\n");
1453 radeon_do_cleanup_cp(dev);
1454 return -ENOMEM;
1455 }
1456
1457 ret = radeon_setup_pcigart_surface(dev_priv);
1458 if (ret) {
1459 DRM_ERROR("failed to setup GART surface!\n");
1460 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
1461 r600_page_table_cleanup(dev, &dev_priv->gart_info);
1462 else
1463 drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info);
1464 radeon_do_cleanup_cp(dev);
1465 return ret;
1466 }
1467
1468 /* Turn on PCI GART */
1469 radeon_set_pcigart(dev_priv, 1);
1470 }
1471
1472 radeon_cp_load_microcode(dev_priv);
1473 radeon_cp_init_ring_buffer(dev, dev_priv, file_priv);
1474
1475 dev_priv->last_buf = 0;
1476
1477 radeon_do_engine_reset(dev);
1478 radeon_test_writeback(dev_priv);
1479
1480 return 0;
1481 }
1482
1483 static int radeon_do_cleanup_cp(struct drm_device * dev)
1484 {
1485 drm_radeon_private_t *dev_priv = dev->dev_private;
1486 DRM_DEBUG("\n");
1487
1488 /* Make sure interrupts are disabled here because the uninstall ioctl
1489 * may not have been called from userspace and after dev_private
1490 * is freed, it's too late.
1491 */
1492 if (dev->irq_enabled)
1493 drm_irq_uninstall(dev);
1494
1495 #if __OS_HAS_AGP
1496 if (dev_priv->flags & RADEON_IS_AGP) {
1497 if (dev_priv->cp_ring != NULL) {
1498 drm_core_ioremapfree(dev_priv->cp_ring, dev);
1499 dev_priv->cp_ring = NULL;
1500 }
1501 if (dev_priv->ring_rptr != NULL) {
1502 drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1503 dev_priv->ring_rptr = NULL;
1504 }
1505 if (dev->agp_buffer_map != NULL) {
1506 drm_core_ioremapfree(dev->agp_buffer_map, dev);
1507 dev->agp_buffer_map = NULL;
1508 }
1509 } else
1510 #endif
1511 {
1512
1513 if (dev_priv->gart_info.bus_addr) {
1514 /* Turn off PCI GART */
1515 radeon_set_pcigart(dev_priv, 0);
1516 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
1517 r600_page_table_cleanup(dev, &dev_priv->gart_info);
1518 else {
1519 if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info))
1520 DRM_ERROR("failed to cleanup PCI GART!\n");
1521 }
1522 }
1523
1524 if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB)
1525 {
1526 drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
1527 dev_priv->gart_info.addr = 0;
1528 }
1529 }
1530 /* only clear to the start of flags */
1531 memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1532
1533 return 0;
1534 }
1535
1536 /* This code will reinit the Radeon CP hardware after a resume from disc.
1537 * AFAIK, it would be very difficult to pickle the state at suspend time, so
1538 * here we make sure that all Radeon hardware initialisation is re-done without
1539 * affecting running applications.
1540 *
1541 * Charl P. Botha <http://cpbotha.net>
1542 */
1543 static int radeon_do_resume_cp(struct drm_device *dev, struct drm_file *file_priv)
1544 {
1545 drm_radeon_private_t *dev_priv = dev->dev_private;
1546
1547 if (!dev_priv) {
1548 DRM_ERROR("Called with no initialization\n");
1549 return -EINVAL;
1550 }
1551
1552 DRM_DEBUG("Starting radeon_do_resume_cp()\n");
1553
1554 #if __OS_HAS_AGP
1555 if (dev_priv->flags & RADEON_IS_AGP) {
1556 /* Turn off PCI GART */
1557 radeon_set_pcigart(dev_priv, 0);
1558 } else
1559 #endif
1560 {
1561 /* Turn on PCI GART */
1562 radeon_set_pcigart(dev_priv, 1);
1563 }
1564
1565 radeon_cp_load_microcode(dev_priv);
1566 radeon_cp_init_ring_buffer(dev, dev_priv, file_priv);
1567
1568 radeon_do_engine_reset(dev);
1569 radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
1570
1571 DRM_DEBUG("radeon_do_resume_cp() complete\n");
1572
1573 return 0;
1574 }
1575
1576 int radeon_cp_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
1577 {
1578 drm_radeon_private_t *dev_priv = dev->dev_private;
1579 drm_radeon_init_t *init = data;
1580
1581 LOCK_TEST_WITH_RETURN(dev, file_priv);
1582
1583 if (init->func == RADEON_INIT_R300_CP)
1584 r300_init_reg_flags(dev);
1585
1586 switch (init->func) {
1587 case RADEON_INIT_CP:
1588 case RADEON_INIT_R200_CP:
1589 case RADEON_INIT_R300_CP:
1590 return radeon_do_init_cp(dev, init, file_priv);
1591 case RADEON_INIT_R600_CP:
1592 return r600_do_init_cp(dev, init, file_priv);
1593 case RADEON_CLEANUP_CP:
1594 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1595 return r600_do_cleanup_cp(dev);
1596 else
1597 return radeon_do_cleanup_cp(dev);
1598 }
1599
1600 return -EINVAL;
1601 }
1602
1603 int radeon_cp_start(struct drm_device *dev, void *data, struct drm_file *file_priv)
1604 {
1605 drm_radeon_private_t *dev_priv = dev->dev_private;
1606 DRM_DEBUG("\n");
1607
1608 LOCK_TEST_WITH_RETURN(dev, file_priv);
1609
1610 if (dev_priv->cp_running) {
1611 DRM_DEBUG("while CP running\n");
1612 return 0;
1613 }
1614 if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
1615 DRM_DEBUG("called with bogus CP mode (%d)\n",
1616 dev_priv->cp_mode);
1617 return 0;
1618 }
1619
1620 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1621 r600_do_cp_start(dev_priv);
1622 else
1623 radeon_do_cp_start(dev_priv);
1624
1625 return 0;
1626 }
1627
1628 /* Stop the CP. The engine must have been idled before calling this
1629 * routine.
1630 */
1631 int radeon_cp_stop(struct drm_device *dev, void *data, struct drm_file *file_priv)
1632 {
1633 drm_radeon_private_t *dev_priv = dev->dev_private;
1634 drm_radeon_cp_stop_t *stop = data;
1635 int ret;
1636 DRM_DEBUG("\n");
1637
1638 LOCK_TEST_WITH_RETURN(dev, file_priv);
1639
1640 if (!dev_priv->cp_running)
1641 return 0;
1642
1643 /* Flush any pending CP commands. This ensures any outstanding
1644 * commands are exectuted by the engine before we turn it off.
1645 */
1646 if (stop->flush) {
1647 radeon_do_cp_flush(dev_priv);
1648 }
1649
1650 /* If we fail to make the engine go idle, we return an error
1651 * code so that the DRM ioctl wrapper can try again.
1652 */
1653 if (stop->idle) {
1654 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1655 ret = r600_do_cp_idle(dev_priv);
1656 else
1657 ret = radeon_do_cp_idle(dev_priv);
1658 if (ret)
1659 return ret;
1660 }
1661
1662 /* Finally, we can turn off the CP. If the engine isn't idle,
1663 * we will get some dropped triangles as they won't be fully
1664 * rendered before the CP is shut down.
1665 */
1666 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1667 r600_do_cp_stop(dev_priv);
1668 else
1669 radeon_do_cp_stop(dev_priv);
1670
1671 /* Reset the engine */
1672 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1673 r600_do_engine_reset(dev);
1674 else
1675 radeon_do_engine_reset(dev);
1676
1677 return 0;
1678 }
1679
1680 void radeon_do_release(struct drm_device * dev)
1681 {
1682 drm_radeon_private_t *dev_priv = dev->dev_private;
1683 int i, ret;
1684
1685 if (dev_priv) {
1686 if (dev_priv->cp_running) {
1687 /* Stop the cp */
1688 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
1689 while ((ret = r600_do_cp_idle(dev_priv)) != 0) {
1690 DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1691 tsleep_interlock(&dev->lock.lock_queue,
1692 PCATCH);
1693 DRM_UNLOCK();
1694 ret = tsleep(&dev->lock.lock_queue,
1695 PCATCH | PINTERLOCKED,
1696 "rdnrel", 0);
1697 DRM_LOCK();
1698 }
1699 } else {
1700 while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
1701 DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1702 tsleep_interlock(&dev->lock.lock_queue,
1703 PCATCH);
1704 DRM_UNLOCK();
1705 ret = tsleep(&dev->lock.lock_queue,
1706 PCATCH | PINTERLOCKED,
1707 "rdnrel", 0);
1708 DRM_LOCK();
1709 }
1710 }
1711 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
1712 r600_do_cp_stop(dev_priv);
1713 r600_do_engine_reset(dev);
1714 } else {
1715 radeon_do_cp_stop(dev_priv);
1716 radeon_do_engine_reset(dev);
1717 }
1718 }
1719
1720 if ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_R600) {
1721 /* Disable *all* interrupts */
1722 if (dev_priv->mmio) /* remove this after permanent addmaps */
1723 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
1724
1725 if (dev_priv->mmio) { /* remove all surfaces */
1726 for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1727 RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, 0);
1728 RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND +
1729 16 * i, 0);
1730 RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND +
1731 16 * i, 0);
1732 }
1733 }
1734 }
1735
1736 /* Free memory heap structures */
1737 radeon_mem_takedown(&(dev_priv->gart_heap));
1738 radeon_mem_takedown(&(dev_priv->fb_heap));
1739
1740 /* deallocate kernel resources */
1741 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1742 r600_do_cleanup_cp(dev);
1743 else
1744 radeon_do_cleanup_cp(dev);
1745 }
1746 }
1747
1748 /* Just reset the CP ring. Called as part of an X Server engine reset.
1749 */
1750 int radeon_cp_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
1751 {
1752 drm_radeon_private_t *dev_priv = dev->dev_private;
1753 DRM_DEBUG("\n");
1754
1755 LOCK_TEST_WITH_RETURN(dev, file_priv);
1756
1757 if (!dev_priv) {
1758 DRM_DEBUG("called before init done\n");
1759 return -EINVAL;
1760 }
1761
1762 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1763 r600_do_cp_reset(dev_priv);
1764 else
1765 radeon_do_cp_reset(dev_priv);
1766
1767 /* The CP is no longer running after an engine reset */
1768 dev_priv->cp_running = 0;
1769
1770 return 0;
1771 }
1772
1773 int radeon_cp_idle(struct drm_device *dev, void *data, struct drm_file *file_priv)
1774 {
1775 drm_radeon_private_t *dev_priv = dev->dev_private;
1776 DRM_DEBUG("\n");
1777
1778 LOCK_TEST_WITH_RETURN(dev, file_priv);
1779
1780 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1781 return r600_do_cp_idle(dev_priv);
1782 else
1783 return radeon_do_cp_idle(dev_priv);
1784 }
1785
1786 /* Added by Charl P. Botha to call radeon_do_resume_cp().
1787 */
1788 int radeon_cp_resume(struct drm_device *dev, void *data, struct drm_file *file_priv)
1789 {
1790 drm_radeon_private_t *dev_priv = dev->dev_private;
1791 DRM_DEBUG("\n");
1792
1793 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1794 return r600_do_resume_cp(dev, file_priv);
1795 else
1796 return radeon_do_resume_cp(dev, file_priv);
1797 }
1798
1799 int radeon_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
1800 {
1801 drm_radeon_private_t *dev_priv = dev->dev_private;
1802 DRM_DEBUG("\n");
1803
1804 LOCK_TEST_WITH_RETURN(dev, file_priv);
1805
1806 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
1807 return r600_do_engine_reset(dev);
1808 else
1809 return radeon_do_engine_reset(dev);
1810 }
1811
1812 /* ================================================================
1813 * Fullscreen mode
1814 */
1815
1816 /* KW: Deprecated to say the least:
1817 */
1818 int radeon_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv)
1819 {
1820 return 0;
1821 }
1822
1823 /* ================================================================
1824 * Freelist management
1825 */
1826
1827 /* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
1828 * bufs until freelist code is used. Note this hides a problem with
1829 * the scratch register * (used to keep track of last buffer
1830 * completed) being written to before * the last buffer has actually
1831 * completed rendering.
1832 *
1833 * KW: It's also a good way to find free buffers quickly.
1834 *
1835 * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
1836 * sleep. However, bugs in older versions of radeon_accel.c mean that
1837 * we essentially have to do this, else old clients will break.
1838 *
1839 * However, it does leave open a potential deadlock where all the
1840 * buffers are held by other clients, which can't release them because
1841 * they can't get the lock.
1842 */
1843
1844 struct drm_buf *radeon_freelist_get(struct drm_device * dev)
1845 {
1846 struct drm_device_dma *dma = dev->dma;
1847 drm_radeon_private_t *dev_priv = dev->dev_private;
1848 drm_radeon_buf_priv_t *buf_priv;
1849 struct drm_buf *buf;
1850 int i, t;
1851 int start;
1852
1853 if (++dev_priv->last_buf >= dma->buf_count)
1854 dev_priv->last_buf = 0;
1855
1856 start = dev_priv->last_buf;
1857
1858 for (t = 0; t < dev_priv->usec_timeout; t++) {
1859 u32 done_age = GET_SCRATCH(dev_priv, 1);
1860 DRM_DEBUG("done_age = %d\n", done_age);
1861 for (i = start; i < dma->buf_count; i++) {
1862 buf = dma->buflist[i];
1863 buf_priv = buf->dev_private;
1864 if (buf->file_priv == NULL || (buf->pending &&
1865 buf_priv->age <=
1866 done_age)) {
1867 dev_priv->stats.requested_bufs++;
1868 buf->pending = 0;
1869 return buf;
1870 }
1871 start = 0;
1872 }
1873
1874 if (t) {
1875 DRM_UDELAY(1);
1876 dev_priv->stats.freelist_loops++;
1877 }
1878 }
1879
1880 DRM_DEBUG("returning NULL!\n");
1881 return NULL;
1882 }
1883
1884 #if 0
1885 struct drm_buf *radeon_freelist_get(struct drm_device * dev)
1886 {
1887 struct drm_device_dma *dma = dev->dma;
1888 drm_radeon_private_t *dev_priv = dev->dev_private;
1889 drm_radeon_buf_priv_t *buf_priv;
1890 struct drm_buf *buf;
1891 int i, t;
1892 int start;
1893 u32 done_age;
1894
1895 done_age = radeon_read_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1));
1896 if (++dev_priv->last_buf >= dma->buf_count)
1897 dev_priv->last_buf = 0;
1898
1899 start = dev_priv->last_buf;
1900 dev_priv->stats.freelist_loops++;
1901
1902 for (t = 0; t < 2; t++) {
1903 for (i = start; i < dma->buf_count; i++) {
1904 buf = dma->buflist[i];
1905 buf_priv = buf->dev_private;
1906 if (buf->file_priv == 0 || (buf->pending &&
1907 buf_priv->age <=
1908 done_age)) {
1909 dev_priv->stats.requested_bufs++;
1910 buf->pending = 0;
1911 return buf;
1912 }
1913 }
1914 start = 0;
1915 }
1916
1917 return NULL;
1918 }
1919 #endif
1920
1921 void radeon_freelist_reset(struct drm_device * dev)
1922 {
1923 struct drm_device_dma *dma = dev->dma;
1924 drm_radeon_private_t *dev_priv = dev->dev_private;
1925 int i;
1926
1927 dev_priv->last_buf = 0;
1928 for (i = 0; i < dma->buf_count; i++) {
1929 struct drm_buf *buf = dma->buflist[i];
1930 drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
1931 buf_priv->age = 0;
1932 }
1933 }
1934
1935 /* ================================================================
1936 * CP command submission
1937 */
1938
1939 int radeon_wait_ring(drm_radeon_private_t * dev_priv, int n)
1940 {
1941 drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
1942 int i;
1943 u32 last_head = GET_RING_HEAD(dev_priv);
1944
1945 for (i = 0; i < dev_priv->usec_timeout; i++) {
1946 u32 head = GET_RING_HEAD(dev_priv);
1947
1948 ring->space = (head - ring->tail) * sizeof(u32);
1949 if (ring->space <= 0)
1950 ring->space += ring->size;
1951 if (ring->space > n)
1952 return 0;
1953
1954 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
1955
1956 if (head != last_head)
1957 i = 0;
1958 last_head = head;
1959
1960 DRM_UDELAY(1);
1961 }
1962
1963 /* FIXME: This return value is ignored in the BEGIN_RING macro! */
1964 #if RADEON_FIFO_DEBUG
1965 radeon_status(dev_priv);
1966 DRM_ERROR("failed!\n");
1967 #endif
1968 return -EBUSY;
1969 }
1970
1971 static int radeon_cp_get_buffers(struct drm_device *dev,
1972 struct drm_file *file_priv,
1973 struct drm_dma * d)
1974 {
1975 int i;
1976 struct drm_buf *buf;
1977
1978 for (i = d->granted_count; i < d->request_count; i++) {
1979 buf = radeon_freelist_get(dev);
1980 if (!buf)
1981 return -EBUSY; /* NOTE: broken client */
1982
1983 buf->file_priv = file_priv;
1984
1985 if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
1986 sizeof(buf->idx)))
1987 return -EFAULT;
1988 if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
1989 sizeof(buf->total)))
1990 return -EFAULT;
1991
1992 d->granted_count++;
1993 }
1994 return 0;
1995 }
1996
1997 int radeon_cp_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv)
1998 {
1999 struct drm_device_dma *dma = dev->dma;
2000 int ret = 0;
2001 struct drm_dma *d = data;
2002
2003 LOCK_TEST_WITH_RETURN(dev, file_priv);
2004
2005 /* Please don't send us buffers.
2006 */
2007 if (d->send_count != 0) {
2008 DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
2009 DRM_CURRENTPID, d->send_count);
2010 return -EINVAL;
2011 }
2012
2013 /* We'll send you buffers.
2014 */
2015 if (d->request_count < 0 || d->request_count > dma->buf_count) {
2016 DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
2017 DRM_CURRENTPID, d->request_count, dma->buf_count);
2018 return -EINVAL;
2019 }
2020
2021 d->granted_count = 0;
2022
2023 if (d->request_count) {
2024 ret = radeon_cp_get_buffers(dev, file_priv, d);
2025 }
2026
2027 return ret;
2028 }
2029
2030 int radeon_driver_load(struct drm_device *dev, unsigned long flags)
2031 {
2032 drm_radeon_private_t *dev_priv;
2033 int ret = 0;
2034
2035 dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER);
2036 if (dev_priv == NULL)
2037 return -ENOMEM;
2038
2039 memset(dev_priv, 0, sizeof(drm_radeon_private_t));
2040 dev->dev_private = (void *)dev_priv;
2041 dev_priv->flags = flags;
2042
2043 switch (flags & RADEON_FAMILY_MASK) {
2044 case CHIP_R100:
2045 case CHIP_RV200:
2046 case CHIP_R200:
2047 case CHIP_R300:
2048 case CHIP_R350:
2049 case CHIP_R420:
2050 case CHIP_R423:
2051 case CHIP_RV410:
2052 case CHIP_RV515:
2053 case CHIP_R520:
2054 case CHIP_RV570:
2055 case CHIP_R580:
2056 dev_priv->flags |= RADEON_HAS_HIERZ;
2057 break;
2058 default:
2059 /* all other chips have no hierarchical z buffer */
2060 break;
2061 }
2062
2063 if (drm_device_is_agp(dev))
2064 dev_priv->flags |= RADEON_IS_AGP;
2065 else if (drm_device_is_pcie(dev))
2066 dev_priv->flags |= RADEON_IS_PCIE;
2067 else
2068 dev_priv->flags |= RADEON_IS_PCI;
2069
2070 ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
2071 drm_get_resource_len(dev, 2), _DRM_REGISTERS,
2072 _DRM_READ_ONLY | _DRM_DRIVER, &dev_priv->mmio);
2073 if (ret != 0)
2074 goto error;
2075
2076 ret = drm_vblank_init(dev, 2);
2077 if (ret != 0)
2078 goto error;
2079
2080 dev->max_vblank_count = 0x001fffff;
2081
2082 DRM_DEBUG("%s card detected\n",
2083 ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" :
2084 (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
2085
2086 return ret;
2087
2088 error:
2089 radeon_driver_unload(dev);
2090 return ret;
2091 }
2092
2093 /* Create mappings for registers and framebuffer so userland doesn't necessarily
2094 * have to find them.
2095 */
2096 int radeon_driver_firstopen(struct drm_device *dev)
2097 {
2098 int ret;
2099 drm_local_map_t *map;
2100 drm_radeon_private_t *dev_priv = dev->dev_private;
2101
2102 dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
2103
2104 dev_priv->fb_aper_offset = drm_get_resource_start(dev, 0);
2105 ret = drm_addmap(dev, dev_priv->fb_aper_offset,
2106 drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
2107 _DRM_WRITE_COMBINING, &map);
2108 if (ret != 0)
2109 return ret;
2110
2111 return 0;
2112 }
2113
2114 int radeon_driver_unload(struct drm_device *dev)
2115 {
2116 drm_radeon_private_t *dev_priv = dev->dev_private;
2117
2118 DRM_DEBUG("\n");
2119
2120 drm_rmmap(dev, dev_priv->mmio);
2121
2122 drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
2123
2124 dev->dev_private = NULL;
2125 return 0;
2126 }
2127
2128 void radeon_commit_ring(drm_radeon_private_t *dev_priv)
2129 {
2130 int i;
2131 u32 *ring;
2132 int tail_aligned;
2133
2134 /* check if the ring is padded out to 16-dword alignment */
2135
2136 tail_aligned = dev_priv->ring.tail & 0xf;
2137 if (tail_aligned) {
2138 int num_p2 = 16 - tail_aligned;
2139
2140 ring = dev_priv->ring.start;
2141 /* pad with some CP_PACKET2 */
2142 for (i = 0; i < num_p2; i++)
2143 ring[dev_priv->ring.tail + i] = CP_PACKET2();
2144
2145 dev_priv->ring.tail += i;
2146
2147 dev_priv->ring.space -= num_p2 * sizeof(u32);
2148 }
2149
2150 dev_priv->ring.tail &= dev_priv->ring.tail_mask;
2151
2152 DRM_MEMORYBARRIER();
2153 GET_RING_HEAD( dev_priv );
2154
2155 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
2156 RADEON_WRITE(R600_CP_RB_WPTR, dev_priv->ring.tail);
2157 /* read from PCI bus to ensure correct posting */
2158 RADEON_READ(R600_CP_RB_RPTR);
2159 } else {
2160 RADEON_WRITE(RADEON_CP_RB_WPTR, dev_priv->ring.tail);
2161 /* read from PCI bus to ensure correct posting */
2162 RADEON_READ(RADEON_CP_RB_RPTR);
2163 }
2164 }
DragonFly BSD