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Merge branch 'master' into export-slabh
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / gpu / drm / radeon / r100.c
blobc9580497ede40abcaa3a5cf465a8a95702e1d18d
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #include <linux/seq_file.h>
29 #include <linux/slab.h>
30 #include "drmP.h"
31 #include "drm.h"
32 #include "radeon_drm.h"
33 #include "radeon_reg.h"
34 #include "radeon.h"
35 #include "radeon_asic.h"
36 #include "r100d.h"
37 #include "rs100d.h"
38 #include "rv200d.h"
39 #include "rv250d.h"
40
41 #include <linux/firmware.h>
42 #include <linux/platform_device.h>
43
44 #include "r100_reg_safe.h"
45 #include "rn50_reg_safe.h"
46
47 /* Firmware Names */
48 #define FIRMWARE_R100 "radeon/R100_cp.bin"
49 #define FIRMWARE_R200 "radeon/R200_cp.bin"
50 #define FIRMWARE_R300 "radeon/R300_cp.bin"
51 #define FIRMWARE_R420 "radeon/R420_cp.bin"
52 #define FIRMWARE_RS690 "radeon/RS690_cp.bin"
53 #define FIRMWARE_RS600 "radeon/RS600_cp.bin"
54 #define FIRMWARE_R520 "radeon/R520_cp.bin"
55
56 MODULE_FIRMWARE(FIRMWARE_R100);
57 MODULE_FIRMWARE(FIRMWARE_R200);
58 MODULE_FIRMWARE(FIRMWARE_R300);
59 MODULE_FIRMWARE(FIRMWARE_R420);
60 MODULE_FIRMWARE(FIRMWARE_RS690);
61 MODULE_FIRMWARE(FIRMWARE_RS600);
62 MODULE_FIRMWARE(FIRMWARE_R520);
63
64 #include "r100_track.h"
65
66 /* This files gather functions specifics to:
67 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
68 */
69
70 /* hpd for digital panel detect/disconnect */
71 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
72 {
73 bool connected = false;
74
75 switch (hpd) {
76 case RADEON_HPD_1:
77 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
78 connected = true;
79 break;
80 case RADEON_HPD_2:
81 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
82 connected = true;
83 break;
84 default:
85 break;
86 }
87 return connected;
88 }
89
90 void r100_hpd_set_polarity(struct radeon_device *rdev,
91 enum radeon_hpd_id hpd)
92 {
93 u32 tmp;
94 bool connected = r100_hpd_sense(rdev, hpd);
95
96 switch (hpd) {
97 case RADEON_HPD_1:
98 tmp = RREG32(RADEON_FP_GEN_CNTL);
99 if (connected)
100 tmp &= ~RADEON_FP_DETECT_INT_POL;
101 else
102 tmp |= RADEON_FP_DETECT_INT_POL;
103 WREG32(RADEON_FP_GEN_CNTL, tmp);
104 break;
105 case RADEON_HPD_2:
106 tmp = RREG32(RADEON_FP2_GEN_CNTL);
107 if (connected)
108 tmp &= ~RADEON_FP2_DETECT_INT_POL;
109 else
110 tmp |= RADEON_FP2_DETECT_INT_POL;
111 WREG32(RADEON_FP2_GEN_CNTL, tmp);
112 break;
113 default:
114 break;
115 }
116 }
117
118 void r100_hpd_init(struct radeon_device *rdev)
119 {
120 struct drm_device *dev = rdev->ddev;
121 struct drm_connector *connector;
122
123 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
124 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
125 switch (radeon_connector->hpd.hpd) {
126 case RADEON_HPD_1:
127 rdev->irq.hpd[0] = true;
128 break;
129 case RADEON_HPD_2:
130 rdev->irq.hpd[1] = true;
131 break;
132 default:
133 break;
134 }
135 }
136 if (rdev->irq.installed)
137 r100_irq_set(rdev);
138 }
139
140 void r100_hpd_fini(struct radeon_device *rdev)
141 {
142 struct drm_device *dev = rdev->ddev;
143 struct drm_connector *connector;
144
145 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
146 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
147 switch (radeon_connector->hpd.hpd) {
148 case RADEON_HPD_1:
149 rdev->irq.hpd[0] = false;
150 break;
151 case RADEON_HPD_2:
152 rdev->irq.hpd[1] = false;
153 break;
154 default:
155 break;
156 }
157 }
158 }
159
160 /*
161 * PCI GART
162 */
163 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
164 {
165 /* TODO: can we do somethings here ? */
166 /* It seems hw only cache one entry so we should discard this
167 * entry otherwise if first GPU GART read hit this entry it
168 * could end up in wrong address. */
169 }
170
171 int r100_pci_gart_init(struct radeon_device *rdev)
172 {
173 int r;
174
175 if (rdev->gart.table.ram.ptr) {
176 WARN(1, "R100 PCI GART already initialized.\n");
177 return 0;
178 }
179 /* Initialize common gart structure */
180 r = radeon_gart_init(rdev);
181 if (r)
182 return r;
183 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
184 rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
185 rdev->asic->gart_set_page = &r100_pci_gart_set_page;
186 return radeon_gart_table_ram_alloc(rdev);
187 }
188
189 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
190 void r100_enable_bm(struct radeon_device *rdev)
191 {
192 uint32_t tmp;
193 /* Enable bus mastering */
194 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
195 WREG32(RADEON_BUS_CNTL, tmp);
196 }
197
198 int r100_pci_gart_enable(struct radeon_device *rdev)
199 {
200 uint32_t tmp;
201
202 radeon_gart_restore(rdev);
203 /* discard memory request outside of configured range */
204 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
205 WREG32(RADEON_AIC_CNTL, tmp);
206 /* set address range for PCI address translate */
207 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
208 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
209 /* set PCI GART page-table base address */
210 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
211 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
212 WREG32(RADEON_AIC_CNTL, tmp);
213 r100_pci_gart_tlb_flush(rdev);
214 rdev->gart.ready = true;
215 return 0;
216 }
217
218 void r100_pci_gart_disable(struct radeon_device *rdev)
219 {
220 uint32_t tmp;
221
222 /* discard memory request outside of configured range */
223 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
224 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
225 WREG32(RADEON_AIC_LO_ADDR, 0);
226 WREG32(RADEON_AIC_HI_ADDR, 0);
227 }
228
229 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
230 {
231 if (i < 0 || i > rdev->gart.num_gpu_pages) {
232 return -EINVAL;
233 }
234 rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr));
235 return 0;
236 }
237
238 void r100_pci_gart_fini(struct radeon_device *rdev)
239 {
240 radeon_gart_fini(rdev);
241 r100_pci_gart_disable(rdev);
242 radeon_gart_table_ram_free(rdev);
243 }
244
245 int r100_irq_set(struct radeon_device *rdev)
246 {
247 uint32_t tmp = 0;
248
249 if (!rdev->irq.installed) {
250 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
251 WREG32(R_000040_GEN_INT_CNTL, 0);
252 return -EINVAL;
253 }
254 if (rdev->irq.sw_int) {
255 tmp |= RADEON_SW_INT_ENABLE;
256 }
257 if (rdev->irq.crtc_vblank_int[0]) {
258 tmp |= RADEON_CRTC_VBLANK_MASK;
259 }
260 if (rdev->irq.crtc_vblank_int[1]) {
261 tmp |= RADEON_CRTC2_VBLANK_MASK;
262 }
263 if (rdev->irq.hpd[0]) {
264 tmp |= RADEON_FP_DETECT_MASK;
265 }
266 if (rdev->irq.hpd[1]) {
267 tmp |= RADEON_FP2_DETECT_MASK;
268 }
269 WREG32(RADEON_GEN_INT_CNTL, tmp);
270 return 0;
271 }
272
273 void r100_irq_disable(struct radeon_device *rdev)
274 {
275 u32 tmp;
276
277 WREG32(R_000040_GEN_INT_CNTL, 0);
278 /* Wait and acknowledge irq */
279 mdelay(1);
280 tmp = RREG32(R_000044_GEN_INT_STATUS);
281 WREG32(R_000044_GEN_INT_STATUS, tmp);
282 }
283
284 static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
285 {
286 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
287 uint32_t irq_mask = RADEON_SW_INT_TEST |
288 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
289 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
290
291 if (irqs) {
292 WREG32(RADEON_GEN_INT_STATUS, irqs);
293 }
294 return irqs & irq_mask;
295 }
296
297 int r100_irq_process(struct radeon_device *rdev)
298 {
299 uint32_t status, msi_rearm;
300 bool queue_hotplug = false;
301
302 status = r100_irq_ack(rdev);
303 if (!status) {
304 return IRQ_NONE;
305 }
306 if (rdev->shutdown) {
307 return IRQ_NONE;
308 }
309 while (status) {
310 /* SW interrupt */
311 if (status & RADEON_SW_INT_TEST) {
312 radeon_fence_process(rdev);
313 }
314 /* Vertical blank interrupts */
315 if (status & RADEON_CRTC_VBLANK_STAT) {
316 drm_handle_vblank(rdev->ddev, 0);
317 rdev->pm.vblank_sync = true;
318 wake_up(&rdev->irq.vblank_queue);
319 }
320 if (status & RADEON_CRTC2_VBLANK_STAT) {
321 drm_handle_vblank(rdev->ddev, 1);
322 rdev->pm.vblank_sync = true;
323 wake_up(&rdev->irq.vblank_queue);
324 }
325 if (status & RADEON_FP_DETECT_STAT) {
326 queue_hotplug = true;
327 DRM_DEBUG("HPD1\n");
328 }
329 if (status & RADEON_FP2_DETECT_STAT) {
330 queue_hotplug = true;
331 DRM_DEBUG("HPD2\n");
332 }
333 status = r100_irq_ack(rdev);
334 }
335 if (queue_hotplug)
336 queue_work(rdev->wq, &rdev->hotplug_work);
337 if (rdev->msi_enabled) {
338 switch (rdev->family) {
339 case CHIP_RS400:
340 case CHIP_RS480:
341 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
342 WREG32(RADEON_AIC_CNTL, msi_rearm);
343 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
344 break;
345 default:
346 msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
347 WREG32(RADEON_MSI_REARM_EN, msi_rearm);
348 WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
349 break;
350 }
351 }
352 return IRQ_HANDLED;
353 }
354
355 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
356 {
357 if (crtc == 0)
358 return RREG32(RADEON_CRTC_CRNT_FRAME);
359 else
360 return RREG32(RADEON_CRTC2_CRNT_FRAME);
361 }
362
363 /* Who ever call radeon_fence_emit should call ring_lock and ask
364 * for enough space (today caller are ib schedule and buffer move) */
365 void r100_fence_ring_emit(struct radeon_device *rdev,
366 struct radeon_fence *fence)
367 {
368 /* We have to make sure that caches are flushed before
369 * CPU might read something from VRAM. */
370 radeon_ring_write(rdev, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
371 radeon_ring_write(rdev, RADEON_RB3D_DC_FLUSH_ALL);
372 radeon_ring_write(rdev, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
373 radeon_ring_write(rdev, RADEON_RB3D_ZC_FLUSH_ALL);
374 /* Wait until IDLE & CLEAN */
375 radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
376 radeon_ring_write(rdev, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
377 radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
378 radeon_ring_write(rdev, rdev->config.r100.hdp_cntl |
379 RADEON_HDP_READ_BUFFER_INVALIDATE);
380 radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
381 radeon_ring_write(rdev, rdev->config.r100.hdp_cntl);
382 /* Emit fence sequence & fire IRQ */
383 radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
384 radeon_ring_write(rdev, fence->seq);
385 radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
386 radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
387 }
388
389 int r100_wb_init(struct radeon_device *rdev)
390 {
391 int r;
392
393 if (rdev->wb.wb_obj == NULL) {
394 r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
395 RADEON_GEM_DOMAIN_GTT,
396 &rdev->wb.wb_obj);
397 if (r) {
398 dev_err(rdev->dev, "(%d) create WB buffer failed\n", r);
399 return r;
400 }
401 r = radeon_bo_reserve(rdev->wb.wb_obj, false);
402 if (unlikely(r != 0))
403 return r;
404 r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT,
405 &rdev->wb.gpu_addr);
406 if (r) {
407 dev_err(rdev->dev, "(%d) pin WB buffer failed\n", r);
408 radeon_bo_unreserve(rdev->wb.wb_obj);
409 return r;
410 }
411 r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
412 radeon_bo_unreserve(rdev->wb.wb_obj);
413 if (r) {
414 dev_err(rdev->dev, "(%d) map WB buffer failed\n", r);
415 return r;
416 }
417 }
418 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr);
419 WREG32(R_00070C_CP_RB_RPTR_ADDR,
420 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 1024) >> 2));
421 WREG32(R_000770_SCRATCH_UMSK, 0xff);
422 return 0;
423 }
424
425 void r100_wb_disable(struct radeon_device *rdev)
426 {
427 WREG32(R_000770_SCRATCH_UMSK, 0);
428 }
429
430 void r100_wb_fini(struct radeon_device *rdev)
431 {
432 int r;
433
434 r100_wb_disable(rdev);
435 if (rdev->wb.wb_obj) {
436 r = radeon_bo_reserve(rdev->wb.wb_obj, false);
437 if (unlikely(r != 0)) {
438 dev_err(rdev->dev, "(%d) can't finish WB\n", r);
439 return;
440 }
441 radeon_bo_kunmap(rdev->wb.wb_obj);
442 radeon_bo_unpin(rdev->wb.wb_obj);
443 radeon_bo_unreserve(rdev->wb.wb_obj);
444 radeon_bo_unref(&rdev->wb.wb_obj);
445 rdev->wb.wb = NULL;
446 rdev->wb.wb_obj = NULL;
447 }
448 }
449
450 int r100_copy_blit(struct radeon_device *rdev,
451 uint64_t src_offset,
452 uint64_t dst_offset,
453 unsigned num_pages,
454 struct radeon_fence *fence)
455 {
456 uint32_t cur_pages;
457 uint32_t stride_bytes = PAGE_SIZE;
458 uint32_t pitch;
459 uint32_t stride_pixels;
460 unsigned ndw;
461 int num_loops;
462 int r = 0;
463
464 /* radeon limited to 16k stride */
465 stride_bytes &= 0x3fff;
466 /* radeon pitch is /64 */
467 pitch = stride_bytes / 64;
468 stride_pixels = stride_bytes / 4;
469 num_loops = DIV_ROUND_UP(num_pages, 8191);
470
471 /* Ask for enough room for blit + flush + fence */
472 ndw = 64 + (10 * num_loops);
473 r = radeon_ring_lock(rdev, ndw);
474 if (r) {
475 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
476 return -EINVAL;
477 }
478 while (num_pages > 0) {
479 cur_pages = num_pages;
480 if (cur_pages > 8191) {
481 cur_pages = 8191;
482 }
483 num_pages -= cur_pages;
484
485 /* pages are in Y direction - height
486 page width in X direction - width */
487 radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
488 radeon_ring_write(rdev,
489 RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
490 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
491 RADEON_GMC_SRC_CLIPPING |
492 RADEON_GMC_DST_CLIPPING |
493 RADEON_GMC_BRUSH_NONE |
494 (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
495 RADEON_GMC_SRC_DATATYPE_COLOR |
496 RADEON_ROP3_S |
497 RADEON_DP_SRC_SOURCE_MEMORY |
498 RADEON_GMC_CLR_CMP_CNTL_DIS |
499 RADEON_GMC_WR_MSK_DIS);
500 radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
501 radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
502 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
503 radeon_ring_write(rdev, 0);
504 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
505 radeon_ring_write(rdev, num_pages);
506 radeon_ring_write(rdev, num_pages);
507 radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
508 }
509 radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
510 radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
511 radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
512 radeon_ring_write(rdev,
513 RADEON_WAIT_2D_IDLECLEAN |
514 RADEON_WAIT_HOST_IDLECLEAN |
515 RADEON_WAIT_DMA_GUI_IDLE);
516 if (fence) {
517 r = radeon_fence_emit(rdev, fence);
518 }
519 radeon_ring_unlock_commit(rdev);
520 return r;
521 }
522
523 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
524 {
525 unsigned i;
526 u32 tmp;
527
528 for (i = 0; i < rdev->usec_timeout; i++) {
529 tmp = RREG32(R_000E40_RBBM_STATUS);
530 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
531 return 0;
532 }
533 udelay(1);
534 }
535 return -1;
536 }
537
538 void r100_ring_start(struct radeon_device *rdev)
539 {
540 int r;
541
542 r = radeon_ring_lock(rdev, 2);
543 if (r) {
544 return;
545 }
546 radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
547 radeon_ring_write(rdev,
548 RADEON_ISYNC_ANY2D_IDLE3D |
549 RADEON_ISYNC_ANY3D_IDLE2D |
550 RADEON_ISYNC_WAIT_IDLEGUI |
551 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
552 radeon_ring_unlock_commit(rdev);
553 }
554
555
556 /* Load the microcode for the CP */
557 static int r100_cp_init_microcode(struct radeon_device *rdev)
558 {
559 struct platform_device *pdev;
560 const char *fw_name = NULL;
561 int err;
562
563 DRM_DEBUG("\n");
564
565 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
566 err = IS_ERR(pdev);
567 if (err) {
568 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
569 return -EINVAL;
570 }
571 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
572 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
573 (rdev->family == CHIP_RS200)) {
574 DRM_INFO("Loading R100 Microcode\n");
575 fw_name = FIRMWARE_R100;
576 } else if ((rdev->family == CHIP_R200) ||
577 (rdev->family == CHIP_RV250) ||
578 (rdev->family == CHIP_RV280) ||
579 (rdev->family == CHIP_RS300)) {
580 DRM_INFO("Loading R200 Microcode\n");
581 fw_name = FIRMWARE_R200;
582 } else if ((rdev->family == CHIP_R300) ||
583 (rdev->family == CHIP_R350) ||
584 (rdev->family == CHIP_RV350) ||
585 (rdev->family == CHIP_RV380) ||
586 (rdev->family == CHIP_RS400) ||
587 (rdev->family == CHIP_RS480)) {
588 DRM_INFO("Loading R300 Microcode\n");
589 fw_name = FIRMWARE_R300;
590 } else if ((rdev->family == CHIP_R420) ||
591 (rdev->family == CHIP_R423) ||
592 (rdev->family == CHIP_RV410)) {
593 DRM_INFO("Loading R400 Microcode\n");
594 fw_name = FIRMWARE_R420;
595 } else if ((rdev->family == CHIP_RS690) ||
596 (rdev->family == CHIP_RS740)) {
597 DRM_INFO("Loading RS690/RS740 Microcode\n");
598 fw_name = FIRMWARE_RS690;
599 } else if (rdev->family == CHIP_RS600) {
600 DRM_INFO("Loading RS600 Microcode\n");
601 fw_name = FIRMWARE_RS600;
602 } else if ((rdev->family == CHIP_RV515) ||
603 (rdev->family == CHIP_R520) ||
604 (rdev->family == CHIP_RV530) ||
605 (rdev->family == CHIP_R580) ||
606 (rdev->family == CHIP_RV560) ||
607 (rdev->family == CHIP_RV570)) {
608 DRM_INFO("Loading R500 Microcode\n");
609 fw_name = FIRMWARE_R520;
610 }
611
612 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
613 platform_device_unregister(pdev);
614 if (err) {
615 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
616 fw_name);
617 } else if (rdev->me_fw->size % 8) {
618 printk(KERN_ERR
619 "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
620 rdev->me_fw->size, fw_name);
621 err = -EINVAL;
622 release_firmware(rdev->me_fw);
623 rdev->me_fw = NULL;
624 }
625 return err;
626 }
627
628 static void r100_cp_load_microcode(struct radeon_device *rdev)
629 {
630 const __be32 *fw_data;
631 int i, size;
632
633 if (r100_gui_wait_for_idle(rdev)) {
634 printk(KERN_WARNING "Failed to wait GUI idle while "
635 "programming pipes. Bad things might happen.\n");
636 }
637
638 if (rdev->me_fw) {
639 size = rdev->me_fw->size / 4;
640 fw_data = (const __be32 *)&rdev->me_fw->data[0];
641 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
642 for (i = 0; i < size; i += 2) {
643 WREG32(RADEON_CP_ME_RAM_DATAH,
644 be32_to_cpup(&fw_data[i]));
645 WREG32(RADEON_CP_ME_RAM_DATAL,
646 be32_to_cpup(&fw_data[i + 1]));
647 }
648 }
649 }
650
651 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
652 {
653 unsigned rb_bufsz;
654 unsigned rb_blksz;
655 unsigned max_fetch;
656 unsigned pre_write_timer;
657 unsigned pre_write_limit;
658 unsigned indirect2_start;
659 unsigned indirect1_start;
660 uint32_t tmp;
661 int r;
662
663 if (r100_debugfs_cp_init(rdev)) {
664 DRM_ERROR("Failed to register debugfs file for CP !\n");
665 }
666 /* Reset CP */
667 tmp = RREG32(RADEON_CP_CSQ_STAT);
668 if ((tmp & (1 << 31))) {
669 DRM_INFO("radeon: cp busy (0x%08X) resetting\n", tmp);
670 WREG32(RADEON_CP_CSQ_MODE, 0);
671 WREG32(RADEON_CP_CSQ_CNTL, 0);
672 WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
673 tmp = RREG32(RADEON_RBBM_SOFT_RESET);
674 mdelay(2);
675 WREG32(RADEON_RBBM_SOFT_RESET, 0);
676 tmp = RREG32(RADEON_RBBM_SOFT_RESET);
677 mdelay(2);
678 tmp = RREG32(RADEON_CP_CSQ_STAT);
679 if ((tmp & (1 << 31))) {
680 DRM_INFO("radeon: cp reset failed (0x%08X)\n", tmp);
681 }
682 } else {
683 DRM_INFO("radeon: cp idle (0x%08X)\n", tmp);
684 }
685
686 if (!rdev->me_fw) {
687 r = r100_cp_init_microcode(rdev);
688 if (r) {
689 DRM_ERROR("Failed to load firmware!\n");
690 return r;
691 }
692 }
693
694 /* Align ring size */
695 rb_bufsz = drm_order(ring_size / 8);
696 ring_size = (1 << (rb_bufsz + 1)) * 4;
697 r100_cp_load_microcode(rdev);
698 r = radeon_ring_init(rdev, ring_size);
699 if (r) {
700 return r;
701 }
702 /* Each time the cp read 1024 bytes (16 dword/quadword) update
703 * the rptr copy in system ram */
704 rb_blksz = 9;
705 /* cp will read 128bytes at a time (4 dwords) */
706 max_fetch = 1;
707 rdev->cp.align_mask = 16 - 1;
708 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
709 pre_write_timer = 64;
710 /* Force CP_RB_WPTR write if written more than one time before the
711 * delay expire
712 */
713 pre_write_limit = 0;
714 /* Setup the cp cache like this (cache size is 96 dwords) :
715 * RING 0 to 15
716 * INDIRECT1 16 to 79
717 * INDIRECT2 80 to 95
718 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
719 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
720 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
721 * Idea being that most of the gpu cmd will be through indirect1 buffer
722 * so it gets the bigger cache.
723 */
724 indirect2_start = 80;
725 indirect1_start = 16;
726 /* cp setup */
727 WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
728 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
729 REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
730 REG_SET(RADEON_MAX_FETCH, max_fetch) |
731 RADEON_RB_NO_UPDATE);
732 #ifdef __BIG_ENDIAN
733 tmp |= RADEON_BUF_SWAP_32BIT;
734 #endif
735 WREG32(RADEON_CP_RB_CNTL, tmp);
736
737 /* Set ring address */
738 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
739 WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
740 /* Force read & write ptr to 0 */
741 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
742 WREG32(RADEON_CP_RB_RPTR_WR, 0);
743 WREG32(RADEON_CP_RB_WPTR, 0);
744 WREG32(RADEON_CP_RB_CNTL, tmp);
745 udelay(10);
746 rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
747 rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
748 /* protect against crazy HW on resume */
749 rdev->cp.wptr &= rdev->cp.ptr_mask;
750 /* Set cp mode to bus mastering & enable cp*/
751 WREG32(RADEON_CP_CSQ_MODE,
752 REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
753 REG_SET(RADEON_INDIRECT1_START, indirect1_start));
754 WREG32(0x718, 0);
755 WREG32(0x744, 0x00004D4D);
756 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
757 radeon_ring_start(rdev);
758 r = radeon_ring_test(rdev);
759 if (r) {
760 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
761 return r;
762 }
763 rdev->cp.ready = true;
764 return 0;
765 }
766
767 void r100_cp_fini(struct radeon_device *rdev)
768 {
769 if (r100_cp_wait_for_idle(rdev)) {
770 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
771 }
772 /* Disable ring */
773 r100_cp_disable(rdev);
774 radeon_ring_fini(rdev);
775 DRM_INFO("radeon: cp finalized\n");
776 }
777
778 void r100_cp_disable(struct radeon_device *rdev)
779 {
780 /* Disable ring */
781 rdev->cp.ready = false;
782 WREG32(RADEON_CP_CSQ_MODE, 0);
783 WREG32(RADEON_CP_CSQ_CNTL, 0);
784 if (r100_gui_wait_for_idle(rdev)) {
785 printk(KERN_WARNING "Failed to wait GUI idle while "
786 "programming pipes. Bad things might happen.\n");
787 }
788 }
789
790 int r100_cp_reset(struct radeon_device *rdev)
791 {
792 uint32_t tmp;
793 bool reinit_cp;
794 int i;
795
796 reinit_cp = rdev->cp.ready;
797 rdev->cp.ready = false;
798 WREG32(RADEON_CP_CSQ_MODE, 0);
799 WREG32(RADEON_CP_CSQ_CNTL, 0);
800 WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
801 (void)RREG32(RADEON_RBBM_SOFT_RESET);
802 udelay(200);
803 WREG32(RADEON_RBBM_SOFT_RESET, 0);
804 /* Wait to prevent race in RBBM_STATUS */
805 mdelay(1);
806 for (i = 0; i < rdev->usec_timeout; i++) {
807 tmp = RREG32(RADEON_RBBM_STATUS);
808 if (!(tmp & (1 << 16))) {
809 DRM_INFO("CP reset succeed (RBBM_STATUS=0x%08X)\n",
810 tmp);
811 if (reinit_cp) {
812 return r100_cp_init(rdev, rdev->cp.ring_size);
813 }
814 return 0;
815 }
816 DRM_UDELAY(1);
817 }
818 tmp = RREG32(RADEON_RBBM_STATUS);
819 DRM_ERROR("Failed to reset CP (RBBM_STATUS=0x%08X)!\n", tmp);
820 return -1;
821 }
822
823 void r100_cp_commit(struct radeon_device *rdev)
824 {
825 WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
826 (void)RREG32(RADEON_CP_RB_WPTR);
827 }
828
829
830 /*
831 * CS functions
832 */
833 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
834 struct radeon_cs_packet *pkt,
835 const unsigned *auth, unsigned n,
836 radeon_packet0_check_t check)
837 {
838 unsigned reg;
839 unsigned i, j, m;
840 unsigned idx;
841 int r;
842
843 idx = pkt->idx + 1;
844 reg = pkt->reg;
845 /* Check that register fall into register range
846 * determined by the number of entry (n) in the
847 * safe register bitmap.
848 */
849 if (pkt->one_reg_wr) {
850 if ((reg >> 7) > n) {
851 return -EINVAL;
852 }
853 } else {
854 if (((reg + (pkt->count << 2)) >> 7) > n) {
855 return -EINVAL;
856 }
857 }
858 for (i = 0; i <= pkt->count; i++, idx++) {
859 j = (reg >> 7);
860 m = 1 << ((reg >> 2) & 31);
861 if (auth[j] & m) {
862 r = check(p, pkt, idx, reg);
863 if (r) {
864 return r;
865 }
866 }
867 if (pkt->one_reg_wr) {
868 if (!(auth[j] & m)) {
869 break;
870 }
871 } else {
872 reg += 4;
873 }
874 }
875 return 0;
876 }
877
878 void r100_cs_dump_packet(struct radeon_cs_parser *p,
879 struct radeon_cs_packet *pkt)
880 {
881 volatile uint32_t *ib;
882 unsigned i;
883 unsigned idx;
884
885 ib = p->ib->ptr;
886 idx = pkt->idx;
887 for (i = 0; i <= (pkt->count + 1); i++, idx++) {
888 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
889 }
890 }
891
892 /**
893 * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
894 * @parser: parser structure holding parsing context.
895 * @pkt: where to store packet informations
896 *
897 * Assume that chunk_ib_index is properly set. Will return -EINVAL
898 * if packet is bigger than remaining ib size. or if packets is unknown.
899 **/
900 int r100_cs_packet_parse(struct radeon_cs_parser *p,
901 struct radeon_cs_packet *pkt,
902 unsigned idx)
903 {
904 struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
905 uint32_t header;
906
907 if (idx >= ib_chunk->length_dw) {
908 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
909 idx, ib_chunk->length_dw);
910 return -EINVAL;
911 }
912 header = radeon_get_ib_value(p, idx);
913 pkt->idx = idx;
914 pkt->type = CP_PACKET_GET_TYPE(header);
915 pkt->count = CP_PACKET_GET_COUNT(header);
916 switch (pkt->type) {
917 case PACKET_TYPE0:
918 pkt->reg = CP_PACKET0_GET_REG(header);
919 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
920 break;
921 case PACKET_TYPE3:
922 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
923 break;
924 case PACKET_TYPE2:
925 pkt->count = -1;
926 break;
927 default:
928 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
929 return -EINVAL;
930 }
931 if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
932 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
933 pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
934 return -EINVAL;
935 }
936 return 0;
937 }
938
939 /**
940 * r100_cs_packet_next_vline() - parse userspace VLINE packet
941 * @parser: parser structure holding parsing context.
942 *
943 * Userspace sends a special sequence for VLINE waits.
944 * PACKET0 - VLINE_START_END + value
945 * PACKET0 - WAIT_UNTIL +_value
946 * RELOC (P3) - crtc_id in reloc.
947 *
948 * This function parses this and relocates the VLINE START END
949 * and WAIT UNTIL packets to the correct crtc.
950 * It also detects a switched off crtc and nulls out the
951 * wait in that case.
952 */
953 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
954 {
955 struct drm_mode_object *obj;
956 struct drm_crtc *crtc;
957 struct radeon_crtc *radeon_crtc;
958 struct radeon_cs_packet p3reloc, waitreloc;
959 int crtc_id;
960 int r;
961 uint32_t header, h_idx, reg;
962 volatile uint32_t *ib;
963
964 ib = p->ib->ptr;
965
966 /* parse the wait until */
967 r = r100_cs_packet_parse(p, &waitreloc, p->idx);
968 if (r)
969 return r;
970
971 /* check its a wait until and only 1 count */
972 if (waitreloc.reg != RADEON_WAIT_UNTIL ||
973 waitreloc.count != 0) {
974 DRM_ERROR("vline wait had illegal wait until segment\n");
975 r = -EINVAL;
976 return r;
977 }
978
979 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
980 DRM_ERROR("vline wait had illegal wait until\n");
981 r = -EINVAL;
982 return r;
983 }
984
985 /* jump over the NOP */
986 r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
987 if (r)
988 return r;
989
990 h_idx = p->idx - 2;
991 p->idx += waitreloc.count + 2;
992 p->idx += p3reloc.count + 2;
993
994 header = radeon_get_ib_value(p, h_idx);
995 crtc_id = radeon_get_ib_value(p, h_idx + 5);
996 reg = CP_PACKET0_GET_REG(header);
997 mutex_lock(&p->rdev->ddev->mode_config.mutex);
998 obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
999 if (!obj) {
1000 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1001 r = -EINVAL;
1002 goto out;
1003 }
1004 crtc = obj_to_crtc(obj);
1005 radeon_crtc = to_radeon_crtc(crtc);
1006 crtc_id = radeon_crtc->crtc_id;
1007
1008 if (!crtc->enabled) {
1009 /* if the CRTC isn't enabled - we need to nop out the wait until */
1010 ib[h_idx + 2] = PACKET2(0);
1011 ib[h_idx + 3] = PACKET2(0);
1012 } else if (crtc_id == 1) {
1013 switch (reg) {
1014 case AVIVO_D1MODE_VLINE_START_END:
1015 header &= ~R300_CP_PACKET0_REG_MASK;
1016 header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1017 break;
1018 case RADEON_CRTC_GUI_TRIG_VLINE:
1019 header &= ~R300_CP_PACKET0_REG_MASK;
1020 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1021 break;
1022 default:
1023 DRM_ERROR("unknown crtc reloc\n");
1024 r = -EINVAL;
1025 goto out;
1026 }
1027 ib[h_idx] = header;
1028 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1029 }
1030 out:
1031 mutex_unlock(&p->rdev->ddev->mode_config.mutex);
1032 return r;
1033 }
1034
1035 /**
1036 * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
1037 * @parser: parser structure holding parsing context.
1038 * @data: pointer to relocation data
1039 * @offset_start: starting offset
1040 * @offset_mask: offset mask (to align start offset on)
1041 * @reloc: reloc informations
1042 *
1043 * Check next packet is relocation packet3, do bo validation and compute
1044 * GPU offset using the provided start.
1045 **/
1046 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
1047 struct radeon_cs_reloc **cs_reloc)
1048 {
1049 struct radeon_cs_chunk *relocs_chunk;
1050 struct radeon_cs_packet p3reloc;
1051 unsigned idx;
1052 int r;
1053
1054 if (p->chunk_relocs_idx == -1) {
1055 DRM_ERROR("No relocation chunk !\n");
1056 return -EINVAL;
1057 }
1058 *cs_reloc = NULL;
1059 relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1060 r = r100_cs_packet_parse(p, &p3reloc, p->idx);
1061 if (r) {
1062 return r;
1063 }
1064 p->idx += p3reloc.count + 2;
1065 if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1066 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1067 p3reloc.idx);
1068 r100_cs_dump_packet(p, &p3reloc);
1069 return -EINVAL;
1070 }
1071 idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1072 if (idx >= relocs_chunk->length_dw) {
1073 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1074 idx, relocs_chunk->length_dw);
1075 r100_cs_dump_packet(p, &p3reloc);
1076 return -EINVAL;
1077 }
1078 /* FIXME: we assume reloc size is 4 dwords */
1079 *cs_reloc = p->relocs_ptr[(idx / 4)];
1080 return 0;
1081 }
1082
1083 static int r100_get_vtx_size(uint32_t vtx_fmt)
1084 {
1085 int vtx_size;
1086 vtx_size = 2;
1087 /* ordered according to bits in spec */
1088 if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1089 vtx_size++;
1090 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1091 vtx_size += 3;
1092 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1093 vtx_size++;
1094 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1095 vtx_size++;
1096 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1097 vtx_size += 3;
1098 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1099 vtx_size++;
1100 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1101 vtx_size++;
1102 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1103 vtx_size += 2;
1104 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1105 vtx_size += 2;
1106 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1107 vtx_size++;
1108 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1109 vtx_size += 2;
1110 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1111 vtx_size++;
1112 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1113 vtx_size += 2;
1114 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1115 vtx_size++;
1116 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1117 vtx_size++;
1118 /* blend weight */
1119 if (vtx_fmt & (0x7 << 15))
1120 vtx_size += (vtx_fmt >> 15) & 0x7;
1121 if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1122 vtx_size += 3;
1123 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1124 vtx_size += 2;
1125 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1126 vtx_size++;
1127 if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1128 vtx_size++;
1129 if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1130 vtx_size++;
1131 if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1132 vtx_size++;
1133 return vtx_size;
1134 }
1135
1136 static int r100_packet0_check(struct radeon_cs_parser *p,
1137 struct radeon_cs_packet *pkt,
1138 unsigned idx, unsigned reg)
1139 {
1140 struct radeon_cs_reloc *reloc;
1141 struct r100_cs_track *track;
1142 volatile uint32_t *ib;
1143 uint32_t tmp;
1144 int r;
1145 int i, face;
1146 u32 tile_flags = 0;
1147 u32 idx_value;
1148
1149 ib = p->ib->ptr;
1150 track = (struct r100_cs_track *)p->track;
1151
1152 idx_value = radeon_get_ib_value(p, idx);
1153
1154 switch (reg) {
1155 case RADEON_CRTC_GUI_TRIG_VLINE:
1156 r = r100_cs_packet_parse_vline(p);
1157 if (r) {
1158 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1159 idx, reg);
1160 r100_cs_dump_packet(p, pkt);
1161 return r;
1162 }
1163 break;
1164 /* FIXME: only allow PACKET3 blit? easier to check for out of
1165 * range access */
1166 case RADEON_DST_PITCH_OFFSET:
1167 case RADEON_SRC_PITCH_OFFSET:
1168 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1169 if (r)
1170 return r;
1171 break;
1172 case RADEON_RB3D_DEPTHOFFSET:
1173 r = r100_cs_packet_next_reloc(p, &reloc);
1174 if (r) {
1175 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1176 idx, reg);
1177 r100_cs_dump_packet(p, pkt);
1178 return r;
1179 }
1180 track->zb.robj = reloc->robj;
1181 track->zb.offset = idx_value;
1182 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1183 break;
1184 case RADEON_RB3D_COLOROFFSET:
1185 r = r100_cs_packet_next_reloc(p, &reloc);
1186 if (r) {
1187 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1188 idx, reg);
1189 r100_cs_dump_packet(p, pkt);
1190 return r;
1191 }
1192 track->cb[0].robj = reloc->robj;
1193 track->cb[0].offset = idx_value;
1194 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1195 break;
1196 case RADEON_PP_TXOFFSET_0:
1197 case RADEON_PP_TXOFFSET_1:
1198 case RADEON_PP_TXOFFSET_2:
1199 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1200 r = r100_cs_packet_next_reloc(p, &reloc);
1201 if (r) {
1202 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1203 idx, reg);
1204 r100_cs_dump_packet(p, pkt);
1205 return r;
1206 }
1207 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1208 track->textures[i].robj = reloc->robj;
1209 break;
1210 case RADEON_PP_CUBIC_OFFSET_T0_0:
1211 case RADEON_PP_CUBIC_OFFSET_T0_1:
1212 case RADEON_PP_CUBIC_OFFSET_T0_2:
1213 case RADEON_PP_CUBIC_OFFSET_T0_3:
1214 case RADEON_PP_CUBIC_OFFSET_T0_4:
1215 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1216 r = r100_cs_packet_next_reloc(p, &reloc);
1217 if (r) {
1218 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1219 idx, reg);
1220 r100_cs_dump_packet(p, pkt);
1221 return r;
1222 }
1223 track->textures[0].cube_info[i].offset = idx_value;
1224 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1225 track->textures[0].cube_info[i].robj = reloc->robj;
1226 break;
1227 case RADEON_PP_CUBIC_OFFSET_T1_0:
1228 case RADEON_PP_CUBIC_OFFSET_T1_1:
1229 case RADEON_PP_CUBIC_OFFSET_T1_2:
1230 case RADEON_PP_CUBIC_OFFSET_T1_3:
1231 case RADEON_PP_CUBIC_OFFSET_T1_4:
1232 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1233 r = r100_cs_packet_next_reloc(p, &reloc);
1234 if (r) {
1235 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1236 idx, reg);
1237 r100_cs_dump_packet(p, pkt);
1238 return r;
1239 }
1240 track->textures[1].cube_info[i].offset = idx_value;
1241 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1242 track->textures[1].cube_info[i].robj = reloc->robj;
1243 break;
1244 case RADEON_PP_CUBIC_OFFSET_T2_0:
1245 case RADEON_PP_CUBIC_OFFSET_T2_1:
1246 case RADEON_PP_CUBIC_OFFSET_T2_2:
1247 case RADEON_PP_CUBIC_OFFSET_T2_3:
1248 case RADEON_PP_CUBIC_OFFSET_T2_4:
1249 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1250 r = r100_cs_packet_next_reloc(p, &reloc);
1251 if (r) {
1252 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1253 idx, reg);
1254 r100_cs_dump_packet(p, pkt);
1255 return r;
1256 }
1257 track->textures[2].cube_info[i].offset = idx_value;
1258 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1259 track->textures[2].cube_info[i].robj = reloc->robj;
1260 break;
1261 case RADEON_RE_WIDTH_HEIGHT:
1262 track->maxy = ((idx_value >> 16) & 0x7FF);
1263 break;
1264 case RADEON_RB3D_COLORPITCH:
1265 r = r100_cs_packet_next_reloc(p, &reloc);
1266 if (r) {
1267 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1268 idx, reg);
1269 r100_cs_dump_packet(p, pkt);
1270 return r;
1271 }
1272
1273 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1274 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1275 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1276 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1277
1278 tmp = idx_value & ~(0x7 << 16);
1279 tmp |= tile_flags;
1280 ib[idx] = tmp;
1281
1282 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1283 break;
1284 case RADEON_RB3D_DEPTHPITCH:
1285 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1286 break;
1287 case RADEON_RB3D_CNTL:
1288 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1289 case 7:
1290 case 8:
1291 case 9:
1292 case 11:
1293 case 12:
1294 track->cb[0].cpp = 1;
1295 break;
1296 case 3:
1297 case 4:
1298 case 15:
1299 track->cb[0].cpp = 2;
1300 break;
1301 case 6:
1302 track->cb[0].cpp = 4;
1303 break;
1304 default:
1305 DRM_ERROR("Invalid color buffer format (%d) !\n",
1306 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1307 return -EINVAL;
1308 }
1309 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1310 break;
1311 case RADEON_RB3D_ZSTENCILCNTL:
1312 switch (idx_value & 0xf) {
1313 case 0:
1314 track->zb.cpp = 2;
1315 break;
1316 case 2:
1317 case 3:
1318 case 4:
1319 case 5:
1320 case 9:
1321 case 11:
1322 track->zb.cpp = 4;
1323 break;
1324 default:
1325 break;
1326 }
1327 break;
1328 case RADEON_RB3D_ZPASS_ADDR:
1329 r = r100_cs_packet_next_reloc(p, &reloc);
1330 if (r) {
1331 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1332 idx, reg);
1333 r100_cs_dump_packet(p, pkt);
1334 return r;
1335 }
1336 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1337 break;
1338 case RADEON_PP_CNTL:
1339 {
1340 uint32_t temp = idx_value >> 4;
1341 for (i = 0; i < track->num_texture; i++)
1342 track->textures[i].enabled = !!(temp & (1 << i));
1343 }
1344 break;
1345 case RADEON_SE_VF_CNTL:
1346 track->vap_vf_cntl = idx_value;
1347 break;
1348 case RADEON_SE_VTX_FMT:
1349 track->vtx_size = r100_get_vtx_size(idx_value);
1350 break;
1351 case RADEON_PP_TEX_SIZE_0:
1352 case RADEON_PP_TEX_SIZE_1:
1353 case RADEON_PP_TEX_SIZE_2:
1354 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1355 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1356 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1357 break;
1358 case RADEON_PP_TEX_PITCH_0:
1359 case RADEON_PP_TEX_PITCH_1:
1360 case RADEON_PP_TEX_PITCH_2:
1361 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1362 track->textures[i].pitch = idx_value + 32;
1363 break;
1364 case RADEON_PP_TXFILTER_0:
1365 case RADEON_PP_TXFILTER_1:
1366 case RADEON_PP_TXFILTER_2:
1367 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1368 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1369 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1370 tmp = (idx_value >> 23) & 0x7;
1371 if (tmp == 2 || tmp == 6)
1372 track->textures[i].roundup_w = false;
1373 tmp = (idx_value >> 27) & 0x7;
1374 if (tmp == 2 || tmp == 6)
1375 track->textures[i].roundup_h = false;
1376 break;
1377 case RADEON_PP_TXFORMAT_0:
1378 case RADEON_PP_TXFORMAT_1:
1379 case RADEON_PP_TXFORMAT_2:
1380 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1381 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1382 track->textures[i].use_pitch = 1;
1383 } else {
1384 track->textures[i].use_pitch = 0;
1385 track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1386 track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1387 }
1388 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1389 track->textures[i].tex_coord_type = 2;
1390 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1391 case RADEON_TXFORMAT_I8:
1392 case RADEON_TXFORMAT_RGB332:
1393 case RADEON_TXFORMAT_Y8:
1394 track->textures[i].cpp = 1;
1395 break;
1396 case RADEON_TXFORMAT_AI88:
1397 case RADEON_TXFORMAT_ARGB1555:
1398 case RADEON_TXFORMAT_RGB565:
1399 case RADEON_TXFORMAT_ARGB4444:
1400 case RADEON_TXFORMAT_VYUY422:
1401 case RADEON_TXFORMAT_YVYU422:
1402 case RADEON_TXFORMAT_SHADOW16:
1403 case RADEON_TXFORMAT_LDUDV655:
1404 case RADEON_TXFORMAT_DUDV88:
1405 track->textures[i].cpp = 2;
1406 break;
1407 case RADEON_TXFORMAT_ARGB8888:
1408 case RADEON_TXFORMAT_RGBA8888:
1409 case RADEON_TXFORMAT_SHADOW32:
1410 case RADEON_TXFORMAT_LDUDUV8888:
1411 track->textures[i].cpp = 4;
1412 break;
1413 case RADEON_TXFORMAT_DXT1:
1414 track->textures[i].cpp = 1;
1415 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1416 break;
1417 case RADEON_TXFORMAT_DXT23:
1418 case RADEON_TXFORMAT_DXT45:
1419 track->textures[i].cpp = 1;
1420 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1421 break;
1422 }
1423 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1424 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1425 break;
1426 case RADEON_PP_CUBIC_FACES_0:
1427 case RADEON_PP_CUBIC_FACES_1:
1428 case RADEON_PP_CUBIC_FACES_2:
1429 tmp = idx_value;
1430 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1431 for (face = 0; face < 4; face++) {
1432 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1433 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1434 }
1435 break;
1436 default:
1437 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1438 reg, idx);
1439 return -EINVAL;
1440 }
1441 return 0;
1442 }
1443
1444 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1445 struct radeon_cs_packet *pkt,
1446 struct radeon_bo *robj)
1447 {
1448 unsigned idx;
1449 u32 value;
1450 idx = pkt->idx + 1;
1451 value = radeon_get_ib_value(p, idx + 2);
1452 if ((value + 1) > radeon_bo_size(robj)) {
1453 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1454 "(need %u have %lu) !\n",
1455 value + 1,
1456 radeon_bo_size(robj));
1457 return -EINVAL;
1458 }
1459 return 0;
1460 }
1461
1462 static int r100_packet3_check(struct radeon_cs_parser *p,
1463 struct radeon_cs_packet *pkt)
1464 {
1465 struct radeon_cs_reloc *reloc;
1466 struct r100_cs_track *track;
1467 unsigned idx;
1468 volatile uint32_t *ib;
1469 int r;
1470
1471 ib = p->ib->ptr;
1472 idx = pkt->idx + 1;
1473 track = (struct r100_cs_track *)p->track;
1474 switch (pkt->opcode) {
1475 case PACKET3_3D_LOAD_VBPNTR:
1476 r = r100_packet3_load_vbpntr(p, pkt, idx);
1477 if (r)
1478 return r;
1479 break;
1480 case PACKET3_INDX_BUFFER:
1481 r = r100_cs_packet_next_reloc(p, &reloc);
1482 if (r) {
1483 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1484 r100_cs_dump_packet(p, pkt);
1485 return r;
1486 }
1487 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1488 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1489 if (r) {
1490 return r;
1491 }
1492 break;
1493 case 0x23:
1494 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1495 r = r100_cs_packet_next_reloc(p, &reloc);
1496 if (r) {
1497 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1498 r100_cs_dump_packet(p, pkt);
1499 return r;
1500 }
1501 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1502 track->num_arrays = 1;
1503 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1504
1505 track->arrays[0].robj = reloc->robj;
1506 track->arrays[0].esize = track->vtx_size;
1507
1508 track->max_indx = radeon_get_ib_value(p, idx+1);
1509
1510 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1511 track->immd_dwords = pkt->count - 1;
1512 r = r100_cs_track_check(p->rdev, track);
1513 if (r)
1514 return r;
1515 break;
1516 case PACKET3_3D_DRAW_IMMD:
1517 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1518 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1519 return -EINVAL;
1520 }
1521 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1522 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1523 track->immd_dwords = pkt->count - 1;
1524 r = r100_cs_track_check(p->rdev, track);
1525 if (r)
1526 return r;
1527 break;
1528 /* triggers drawing using in-packet vertex data */
1529 case PACKET3_3D_DRAW_IMMD_2:
1530 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1531 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1532 return -EINVAL;
1533 }
1534 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1535 track->immd_dwords = pkt->count;
1536 r = r100_cs_track_check(p->rdev, track);
1537 if (r)
1538 return r;
1539 break;
1540 /* triggers drawing using in-packet vertex data */
1541 case PACKET3_3D_DRAW_VBUF_2:
1542 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1543 r = r100_cs_track_check(p->rdev, track);
1544 if (r)
1545 return r;
1546 break;
1547 /* triggers drawing of vertex buffers setup elsewhere */
1548 case PACKET3_3D_DRAW_INDX_2:
1549 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1550 r = r100_cs_track_check(p->rdev, track);
1551 if (r)
1552 return r;
1553 break;
1554 /* triggers drawing using indices to vertex buffer */
1555 case PACKET3_3D_DRAW_VBUF:
1556 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1557 r = r100_cs_track_check(p->rdev, track);
1558 if (r)
1559 return r;
1560 break;
1561 /* triggers drawing of vertex buffers setup elsewhere */
1562 case PACKET3_3D_DRAW_INDX:
1563 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1564 r = r100_cs_track_check(p->rdev, track);
1565 if (r)
1566 return r;
1567 break;
1568 /* triggers drawing using indices to vertex buffer */
1569 case PACKET3_NOP:
1570 break;
1571 default:
1572 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1573 return -EINVAL;
1574 }
1575 return 0;
1576 }
1577
1578 int r100_cs_parse(struct radeon_cs_parser *p)
1579 {
1580 struct radeon_cs_packet pkt;
1581 struct r100_cs_track *track;
1582 int r;
1583
1584 track = kzalloc(sizeof(*track), GFP_KERNEL);
1585 r100_cs_track_clear(p->rdev, track);
1586 p->track = track;
1587 do {
1588 r = r100_cs_packet_parse(p, &pkt, p->idx);
1589 if (r) {
1590 return r;
1591 }
1592 p->idx += pkt.count + 2;
1593 switch (pkt.type) {
1594 case PACKET_TYPE0:
1595 if (p->rdev->family >= CHIP_R200)
1596 r = r100_cs_parse_packet0(p, &pkt,
1597 p->rdev->config.r100.reg_safe_bm,
1598 p->rdev->config.r100.reg_safe_bm_size,
1599 &r200_packet0_check);
1600 else
1601 r = r100_cs_parse_packet0(p, &pkt,
1602 p->rdev->config.r100.reg_safe_bm,
1603 p->rdev->config.r100.reg_safe_bm_size,
1604 &r100_packet0_check);
1605 break;
1606 case PACKET_TYPE2:
1607 break;
1608 case PACKET_TYPE3:
1609 r = r100_packet3_check(p, &pkt);
1610 break;
1611 default:
1612 DRM_ERROR("Unknown packet type %d !\n",
1613 pkt.type);
1614 return -EINVAL;
1615 }
1616 if (r) {
1617 return r;
1618 }
1619 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1620 return 0;
1621 }
1622
1623
1624 /*
1625 * Global GPU functions
1626 */
1627 void r100_errata(struct radeon_device *rdev)
1628 {
1629 rdev->pll_errata = 0;
1630
1631 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
1632 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
1633 }
1634
1635 if (rdev->family == CHIP_RV100 ||
1636 rdev->family == CHIP_RS100 ||
1637 rdev->family == CHIP_RS200) {
1638 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
1639 }
1640 }
1641
1642 /* Wait for vertical sync on primary CRTC */
1643 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
1644 {
1645 uint32_t crtc_gen_cntl, tmp;
1646 int i;
1647
1648 crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
1649 if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
1650 !(crtc_gen_cntl & RADEON_CRTC_EN)) {
1651 return;
1652 }
1653 /* Clear the CRTC_VBLANK_SAVE bit */
1654 WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
1655 for (i = 0; i < rdev->usec_timeout; i++) {
1656 tmp = RREG32(RADEON_CRTC_STATUS);
1657 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
1658 return;
1659 }
1660 DRM_UDELAY(1);
1661 }
1662 }
1663
1664 /* Wait for vertical sync on secondary CRTC */
1665 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
1666 {
1667 uint32_t crtc2_gen_cntl, tmp;
1668 int i;
1669
1670 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1671 if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
1672 !(crtc2_gen_cntl & RADEON_CRTC2_EN))
1673 return;
1674
1675 /* Clear the CRTC_VBLANK_SAVE bit */
1676 WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
1677 for (i = 0; i < rdev->usec_timeout; i++) {
1678 tmp = RREG32(RADEON_CRTC2_STATUS);
1679 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
1680 return;
1681 }
1682 DRM_UDELAY(1);
1683 }
1684 }
1685
1686 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
1687 {
1688 unsigned i;
1689 uint32_t tmp;
1690
1691 for (i = 0; i < rdev->usec_timeout; i++) {
1692 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
1693 if (tmp >= n) {
1694 return 0;
1695 }
1696 DRM_UDELAY(1);
1697 }
1698 return -1;
1699 }
1700
1701 int r100_gui_wait_for_idle(struct radeon_device *rdev)
1702 {
1703 unsigned i;
1704 uint32_t tmp;
1705
1706 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
1707 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
1708 " Bad things might happen.\n");
1709 }
1710 for (i = 0; i < rdev->usec_timeout; i++) {
1711 tmp = RREG32(RADEON_RBBM_STATUS);
1712 if (!(tmp & RADEON_RBBM_ACTIVE)) {
1713 return 0;
1714 }
1715 DRM_UDELAY(1);
1716 }
1717 return -1;
1718 }
1719
1720 int r100_mc_wait_for_idle(struct radeon_device *rdev)
1721 {
1722 unsigned i;
1723 uint32_t tmp;
1724
1725 for (i = 0; i < rdev->usec_timeout; i++) {
1726 /* read MC_STATUS */
1727 tmp = RREG32(RADEON_MC_STATUS);
1728 if (tmp & RADEON_MC_IDLE) {
1729 return 0;
1730 }
1731 DRM_UDELAY(1);
1732 }
1733 return -1;
1734 }
1735
1736 void r100_gpu_init(struct radeon_device *rdev)
1737 {
1738 /* TODO: anythings to do here ? pipes ? */
1739 r100_hdp_reset(rdev);
1740 }
1741
1742 void r100_hdp_reset(struct radeon_device *rdev)
1743 {
1744 uint32_t tmp;
1745
1746 tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
1747 tmp |= (7 << 28);
1748 WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
1749 (void)RREG32(RADEON_HOST_PATH_CNTL);
1750 udelay(200);
1751 WREG32(RADEON_RBBM_SOFT_RESET, 0);
1752 WREG32(RADEON_HOST_PATH_CNTL, tmp);
1753 (void)RREG32(RADEON_HOST_PATH_CNTL);
1754 }
1755
1756 int r100_rb2d_reset(struct radeon_device *rdev)
1757 {
1758 uint32_t tmp;
1759 int i;
1760
1761 WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_E2);
1762 (void)RREG32(RADEON_RBBM_SOFT_RESET);
1763 udelay(200);
1764 WREG32(RADEON_RBBM_SOFT_RESET, 0);
1765 /* Wait to prevent race in RBBM_STATUS */
1766 mdelay(1);
1767 for (i = 0; i < rdev->usec_timeout; i++) {
1768 tmp = RREG32(RADEON_RBBM_STATUS);
1769 if (!(tmp & (1 << 26))) {
1770 DRM_INFO("RB2D reset succeed (RBBM_STATUS=0x%08X)\n",
1771 tmp);
1772 return 0;
1773 }
1774 DRM_UDELAY(1);
1775 }
1776 tmp = RREG32(RADEON_RBBM_STATUS);
1777 DRM_ERROR("Failed to reset RB2D (RBBM_STATUS=0x%08X)!\n", tmp);
1778 return -1;
1779 }
1780
1781 int r100_gpu_reset(struct radeon_device *rdev)
1782 {
1783 uint32_t status;
1784
1785 /* reset order likely matter */
1786 status = RREG32(RADEON_RBBM_STATUS);
1787 /* reset HDP */
1788 r100_hdp_reset(rdev);
1789 /* reset rb2d */
1790 if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
1791 r100_rb2d_reset(rdev);
1792 }
1793 /* TODO: reset 3D engine */
1794 /* reset CP */
1795 status = RREG32(RADEON_RBBM_STATUS);
1796 if (status & (1 << 16)) {
1797 r100_cp_reset(rdev);
1798 }
1799 /* Check if GPU is idle */
1800 status = RREG32(RADEON_RBBM_STATUS);
1801 if (status & RADEON_RBBM_ACTIVE) {
1802 DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
1803 return -1;
1804 }
1805 DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
1806 return 0;
1807 }
1808
1809 void r100_set_common_regs(struct radeon_device *rdev)
1810 {
1811 struct drm_device *dev = rdev->ddev;
1812 bool force_dac2 = false;
1813 u32 tmp;
1814
1815 /* set these so they don't interfere with anything */
1816 WREG32(RADEON_OV0_SCALE_CNTL, 0);
1817 WREG32(RADEON_SUBPIC_CNTL, 0);
1818 WREG32(RADEON_VIPH_CONTROL, 0);
1819 WREG32(RADEON_I2C_CNTL_1, 0);
1820 WREG32(RADEON_DVI_I2C_CNTL_1, 0);
1821 WREG32(RADEON_CAP0_TRIG_CNTL, 0);
1822 WREG32(RADEON_CAP1_TRIG_CNTL, 0);
1823
1824 /* always set up dac2 on rn50 and some rv100 as lots
1825 * of servers seem to wire it up to a VGA port but
1826 * don't report it in the bios connector
1827 * table.
1828 */
1829 switch (dev->pdev->device) {
1830 /* RN50 */
1831 case 0x515e:
1832 case 0x5969:
1833 force_dac2 = true;
1834 break;
1835 /* RV100*/
1836 case 0x5159:
1837 case 0x515a:
1838 /* DELL triple head servers */
1839 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
1840 ((dev->pdev->subsystem_device == 0x016c) ||
1841 (dev->pdev->subsystem_device == 0x016d) ||
1842 (dev->pdev->subsystem_device == 0x016e) ||
1843 (dev->pdev->subsystem_device == 0x016f) ||
1844 (dev->pdev->subsystem_device == 0x0170) ||
1845 (dev->pdev->subsystem_device == 0x017d) ||
1846 (dev->pdev->subsystem_device == 0x017e) ||
1847 (dev->pdev->subsystem_device == 0x0183) ||
1848 (dev->pdev->subsystem_device == 0x018a) ||
1849 (dev->pdev->subsystem_device == 0x019a)))
1850 force_dac2 = true;
1851 break;
1852 }
1853
1854 if (force_dac2) {
1855 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1856 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1857 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
1858
1859 /* For CRT on DAC2, don't turn it on if BIOS didn't
1860 enable it, even it's detected.
1861 */
1862
1863 /* force it to crtc0 */
1864 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
1865 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
1866 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1867
1868 /* set up the TV DAC */
1869 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
1870 RADEON_TV_DAC_STD_MASK |
1871 RADEON_TV_DAC_RDACPD |
1872 RADEON_TV_DAC_GDACPD |
1873 RADEON_TV_DAC_BDACPD |
1874 RADEON_TV_DAC_BGADJ_MASK |
1875 RADEON_TV_DAC_DACADJ_MASK);
1876 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
1877 RADEON_TV_DAC_NHOLD |
1878 RADEON_TV_DAC_STD_PS2 |
1879 (0x58 << 16));
1880
1881 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1882 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1883 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1884 }
1885
1886 /* switch PM block to ACPI mode */
1887 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
1888 tmp &= ~RADEON_PM_MODE_SEL;
1889 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
1890
1891 }
1892
1893 /*
1894 * VRAM info
1895 */
1896 static void r100_vram_get_type(struct radeon_device *rdev)
1897 {
1898 uint32_t tmp;
1899
1900 rdev->mc.vram_is_ddr = false;
1901 if (rdev->flags & RADEON_IS_IGP)
1902 rdev->mc.vram_is_ddr = true;
1903 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
1904 rdev->mc.vram_is_ddr = true;
1905 if ((rdev->family == CHIP_RV100) ||
1906 (rdev->family == CHIP_RS100) ||
1907 (rdev->family == CHIP_RS200)) {
1908 tmp = RREG32(RADEON_MEM_CNTL);
1909 if (tmp & RV100_HALF_MODE) {
1910 rdev->mc.vram_width = 32;
1911 } else {
1912 rdev->mc.vram_width = 64;
1913 }
1914 if (rdev->flags & RADEON_SINGLE_CRTC) {
1915 rdev->mc.vram_width /= 4;
1916 rdev->mc.vram_is_ddr = true;
1917 }
1918 } else if (rdev->family <= CHIP_RV280) {
1919 tmp = RREG32(RADEON_MEM_CNTL);
1920 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
1921 rdev->mc.vram_width = 128;
1922 } else {
1923 rdev->mc.vram_width = 64;
1924 }
1925 } else {
1926 /* newer IGPs */
1927 rdev->mc.vram_width = 128;
1928 }
1929 }
1930
1931 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
1932 {
1933 u32 aper_size;
1934 u8 byte;
1935
1936 aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1937
1938 /* Set HDP_APER_CNTL only on cards that are known not to be broken,
1939 * that is has the 2nd generation multifunction PCI interface
1940 */
1941 if (rdev->family == CHIP_RV280 ||
1942 rdev->family >= CHIP_RV350) {
1943 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
1944 ~RADEON_HDP_APER_CNTL);
1945 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
1946 return aper_size * 2;
1947 }
1948
1949 /* Older cards have all sorts of funny issues to deal with. First
1950 * check if it's a multifunction card by reading the PCI config
1951 * header type... Limit those to one aperture size
1952 */
1953 pci_read_config_byte(rdev->pdev, 0xe, &byte);
1954 if (byte & 0x80) {
1955 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
1956 DRM_INFO("Limiting VRAM to one aperture\n");
1957 return aper_size;
1958 }
1959
1960 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
1961 * have set it up. We don't write this as it's broken on some ASICs but
1962 * we expect the BIOS to have done the right thing (might be too optimistic...)
1963 */
1964 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
1965 return aper_size * 2;
1966 return aper_size;
1967 }
1968
1969 void r100_vram_init_sizes(struct radeon_device *rdev)
1970 {
1971 u64 config_aper_size;
1972
1973 /* work out accessible VRAM */
1974 rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
1975 rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
1976 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
1977 /* FIXME we don't use the second aperture yet when we could use it */
1978 if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
1979 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1980 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1981 if (rdev->flags & RADEON_IS_IGP) {
1982 uint32_t tom;
1983 /* read NB_TOM to get the amount of ram stolen for the GPU */
1984 tom = RREG32(RADEON_NB_TOM);
1985 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
1986 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1987 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1988 } else {
1989 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
1990 /* Some production boards of m6 will report 0
1991 * if it's 8 MB
1992 */
1993 if (rdev->mc.real_vram_size == 0) {
1994 rdev->mc.real_vram_size = 8192 * 1024;
1995 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1996 }
1997 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
1998 * Novell bug 204882 + along with lots of ubuntu ones
1999 */
2000 if (config_aper_size > rdev->mc.real_vram_size)
2001 rdev->mc.mc_vram_size = config_aper_size;
2002 else
2003 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2004 }
2005 /* FIXME remove this once we support unmappable VRAM */
2006 if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
2007 rdev->mc.mc_vram_size = rdev->mc.aper_size;
2008 rdev->mc.real_vram_size = rdev->mc.aper_size;
2009 }
2010 }
2011
2012 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2013 {
2014 uint32_t temp;
2015
2016 temp = RREG32(RADEON_CONFIG_CNTL);
2017 if (state == false) {
2018 temp &= ~(1<<8);
2019 temp |= (1<<9);
2020 } else {
2021 temp &= ~(1<<9);
2022 }
2023 WREG32(RADEON_CONFIG_CNTL, temp);
2024 }
2025
2026 void r100_mc_init(struct radeon_device *rdev)
2027 {
2028 u64 base;
2029
2030 r100_vram_get_type(rdev);
2031 r100_vram_init_sizes(rdev);
2032 base = rdev->mc.aper_base;
2033 if (rdev->flags & RADEON_IS_IGP)
2034 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2035 radeon_vram_location(rdev, &rdev->mc, base);
2036 if (!(rdev->flags & RADEON_IS_AGP))
2037 radeon_gtt_location(rdev, &rdev->mc);
2038 radeon_update_bandwidth_info(rdev);
2039 }
2040
2041
2042 /*
2043 * Indirect registers accessor
2044 */
2045 void r100_pll_errata_after_index(struct radeon_device *rdev)
2046 {
2047 if (!(rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS)) {
2048 return;
2049 }
2050 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2051 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2052 }
2053
2054 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2055 {
2056 /* This workarounds is necessary on RV100, RS100 and RS200 chips
2057 * or the chip could hang on a subsequent access
2058 */
2059 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2060 udelay(5000);
2061 }
2062
2063 /* This function is required to workaround a hardware bug in some (all?)
2064 * revisions of the R300. This workaround should be called after every
2065 * CLOCK_CNTL_INDEX register access. If not, register reads afterward
2066 * may not be correct.
2067 */
2068 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2069 uint32_t save, tmp;
2070
2071 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2072 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2073 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2074 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2075 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2076 }
2077 }
2078
2079 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2080 {
2081 uint32_t data;
2082
2083 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2084 r100_pll_errata_after_index(rdev);
2085 data = RREG32(RADEON_CLOCK_CNTL_DATA);
2086 r100_pll_errata_after_data(rdev);
2087 return data;
2088 }
2089
2090 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2091 {
2092 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2093 r100_pll_errata_after_index(rdev);
2094 WREG32(RADEON_CLOCK_CNTL_DATA, v);
2095 r100_pll_errata_after_data(rdev);
2096 }
2097
2098 void r100_set_safe_registers(struct radeon_device *rdev)
2099 {
2100 if (ASIC_IS_RN50(rdev)) {
2101 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2102 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2103 } else if (rdev->family < CHIP_R200) {
2104 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2105 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2106 } else {
2107 r200_set_safe_registers(rdev);
2108 }
2109 }
2110
2111 /*
2112 * Debugfs info
2113 */
2114 #if defined(CONFIG_DEBUG_FS)
2115 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2116 {
2117 struct drm_info_node *node = (struct drm_info_node *) m->private;
2118 struct drm_device *dev = node->minor->dev;
2119 struct radeon_device *rdev = dev->dev_private;
2120 uint32_t reg, value;
2121 unsigned i;
2122
2123 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2124 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2125 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2126 for (i = 0; i < 64; i++) {
2127 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2128 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2129 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2130 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2131 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2132 }
2133 return 0;
2134 }
2135
2136 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2137 {
2138 struct drm_info_node *node = (struct drm_info_node *) m->private;
2139 struct drm_device *dev = node->minor->dev;
2140 struct radeon_device *rdev = dev->dev_private;
2141 uint32_t rdp, wdp;
2142 unsigned count, i, j;
2143
2144 radeon_ring_free_size(rdev);
2145 rdp = RREG32(RADEON_CP_RB_RPTR);
2146 wdp = RREG32(RADEON_CP_RB_WPTR);
2147 count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
2148 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2149 seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2150 seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2151 seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
2152 seq_printf(m, "%u dwords in ring\n", count);
2153 for (j = 0; j <= count; j++) {
2154 i = (rdp + j) & rdev->cp.ptr_mask;
2155 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
2156 }
2157 return 0;
2158 }
2159
2160
2161 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2162 {
2163 struct drm_info_node *node = (struct drm_info_node *) m->private;
2164 struct drm_device *dev = node->minor->dev;
2165 struct radeon_device *rdev = dev->dev_private;
2166 uint32_t csq_stat, csq2_stat, tmp;
2167 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2168 unsigned i;
2169
2170 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2171 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2172 csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2173 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2174 r_rptr = (csq_stat >> 0) & 0x3ff;
2175 r_wptr = (csq_stat >> 10) & 0x3ff;
2176 ib1_rptr = (csq_stat >> 20) & 0x3ff;
2177 ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2178 ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2179 ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2180 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2181 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2182 seq_printf(m, "Ring rptr %u\n", r_rptr);
2183 seq_printf(m, "Ring wptr %u\n", r_wptr);
2184 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2185 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2186 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2187 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2188 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
2189 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
2190 seq_printf(m, "Ring fifo:\n");
2191 for (i = 0; i < 256; i++) {
2192 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2193 tmp = RREG32(RADEON_CP_CSQ_DATA);
2194 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
2195 }
2196 seq_printf(m, "Indirect1 fifo:\n");
2197 for (i = 256; i <= 512; i++) {
2198 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2199 tmp = RREG32(RADEON_CP_CSQ_DATA);
2200 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
2201 }
2202 seq_printf(m, "Indirect2 fifo:\n");
2203 for (i = 640; i < ib1_wptr; i++) {
2204 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2205 tmp = RREG32(RADEON_CP_CSQ_DATA);
2206 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
2207 }
2208 return 0;
2209 }
2210
2211 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
2212 {
2213 struct drm_info_node *node = (struct drm_info_node *) m->private;
2214 struct drm_device *dev = node->minor->dev;
2215 struct radeon_device *rdev = dev->dev_private;
2216 uint32_t tmp;
2217
2218 tmp = RREG32(RADEON_CONFIG_MEMSIZE);
2219 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
2220 tmp = RREG32(RADEON_MC_FB_LOCATION);
2221 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
2222 tmp = RREG32(RADEON_BUS_CNTL);
2223 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
2224 tmp = RREG32(RADEON_MC_AGP_LOCATION);
2225 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
2226 tmp = RREG32(RADEON_AGP_BASE);
2227 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
2228 tmp = RREG32(RADEON_HOST_PATH_CNTL);
2229 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
2230 tmp = RREG32(0x01D0);
2231 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
2232 tmp = RREG32(RADEON_AIC_LO_ADDR);
2233 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
2234 tmp = RREG32(RADEON_AIC_HI_ADDR);
2235 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
2236 tmp = RREG32(0x01E4);
2237 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
2238 return 0;
2239 }
2240
2241 static struct drm_info_list r100_debugfs_rbbm_list[] = {
2242 {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
2243 };
2244
2245 static struct drm_info_list r100_debugfs_cp_list[] = {
2246 {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
2247 {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
2248 };
2249
2250 static struct drm_info_list r100_debugfs_mc_info_list[] = {
2251 {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
2252 };
2253 #endif
2254
2255 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2256 {
2257 #if defined(CONFIG_DEBUG_FS)
2258 return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2259 #else
2260 return 0;
2261 #endif
2262 }
2263
2264 int r100_debugfs_cp_init(struct radeon_device *rdev)
2265 {
2266 #if defined(CONFIG_DEBUG_FS)
2267 return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2268 #else
2269 return 0;
2270 #endif
2271 }
2272
2273 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2274 {
2275 #if defined(CONFIG_DEBUG_FS)
2276 return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2277 #else
2278 return 0;
2279 #endif
2280 }
2281
2282 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2283 uint32_t tiling_flags, uint32_t pitch,
2284 uint32_t offset, uint32_t obj_size)
2285 {
2286 int surf_index = reg * 16;
2287 int flags = 0;
2288
2289 /* r100/r200 divide by 16 */
2290 if (rdev->family < CHIP_R300)
2291 flags = pitch / 16;
2292 else
2293 flags = pitch / 8;
2294
2295 if (rdev->family <= CHIP_RS200) {
2296 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2297 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2298 flags |= RADEON_SURF_TILE_COLOR_BOTH;
2299 if (tiling_flags & RADEON_TILING_MACRO)
2300 flags |= RADEON_SURF_TILE_COLOR_MACRO;
2301 } else if (rdev->family <= CHIP_RV280) {
2302 if (tiling_flags & (RADEON_TILING_MACRO))
2303 flags |= R200_SURF_TILE_COLOR_MACRO;
2304 if (tiling_flags & RADEON_TILING_MICRO)
2305 flags |= R200_SURF_TILE_COLOR_MICRO;
2306 } else {
2307 if (tiling_flags & RADEON_TILING_MACRO)
2308 flags |= R300_SURF_TILE_MACRO;
2309 if (tiling_flags & RADEON_TILING_MICRO)
2310 flags |= R300_SURF_TILE_MICRO;
2311 }
2312
2313 if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2314 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2315 if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2316 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2317
2318 DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2319 WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2320 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2321 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2322 return 0;
2323 }
2324
2325 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2326 {
2327 int surf_index = reg * 16;
2328 WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2329 }
2330
2331 void r100_bandwidth_update(struct radeon_device *rdev)
2332 {
2333 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2334 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2335 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
2336 uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2337 fixed20_12 memtcas_ff[8] = {
2338 fixed_init(1),
2339 fixed_init(2),
2340 fixed_init(3),
2341 fixed_init(0),
2342 fixed_init_half(1),
2343 fixed_init_half(2),
2344 fixed_init(0),
2345 };
2346 fixed20_12 memtcas_rs480_ff[8] = {
2347 fixed_init(0),
2348 fixed_init(1),
2349 fixed_init(2),
2350 fixed_init(3),
2351 fixed_init(0),
2352 fixed_init_half(1),
2353 fixed_init_half(2),
2354 fixed_init_half(3),
2355 };
2356 fixed20_12 memtcas2_ff[8] = {
2357 fixed_init(0),
2358 fixed_init(1),
2359 fixed_init(2),
2360 fixed_init(3),
2361 fixed_init(4),
2362 fixed_init(5),
2363 fixed_init(6),
2364 fixed_init(7),
2365 };
2366 fixed20_12 memtrbs[8] = {
2367 fixed_init(1),
2368 fixed_init_half(1),
2369 fixed_init(2),
2370 fixed_init_half(2),
2371 fixed_init(3),
2372 fixed_init_half(3),
2373 fixed_init(4),
2374 fixed_init_half(4)
2375 };
2376 fixed20_12 memtrbs_r4xx[8] = {
2377 fixed_init(4),
2378 fixed_init(5),
2379 fixed_init(6),
2380 fixed_init(7),
2381 fixed_init(8),
2382 fixed_init(9),
2383 fixed_init(10),
2384 fixed_init(11)
2385 };
2386 fixed20_12 min_mem_eff;
2387 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2388 fixed20_12 cur_latency_mclk, cur_latency_sclk;
2389 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2390 disp_drain_rate2, read_return_rate;
2391 fixed20_12 time_disp1_drop_priority;
2392 int c;
2393 int cur_size = 16; /* in octawords */
2394 int critical_point = 0, critical_point2;
2395 /* uint32_t read_return_rate, time_disp1_drop_priority; */
2396 int stop_req, max_stop_req;
2397 struct drm_display_mode *mode1 = NULL;
2398 struct drm_display_mode *mode2 = NULL;
2399 uint32_t pixel_bytes1 = 0;
2400 uint32_t pixel_bytes2 = 0;
2401
2402 radeon_update_display_priority(rdev);
2403
2404 if (rdev->mode_info.crtcs[0]->base.enabled) {
2405 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2406 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2407 }
2408 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2409 if (rdev->mode_info.crtcs[1]->base.enabled) {
2410 mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2411 pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2412 }
2413 }
2414
2415 min_mem_eff.full = rfixed_const_8(0);
2416 /* get modes */
2417 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2418 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2419 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2420 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2421 /* check crtc enables */
2422 if (mode2)
2423 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2424 if (mode1)
2425 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2426 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2427 }
2428
2429 /*
2430 * determine is there is enough bw for current mode
2431 */
2432 sclk_ff = rdev->pm.sclk;
2433 mclk_ff = rdev->pm.mclk;
2434
2435 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2436 temp_ff.full = rfixed_const(temp);
2437 mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
2438
2439 pix_clk.full = 0;
2440 pix_clk2.full = 0;
2441 peak_disp_bw.full = 0;
2442 if (mode1) {
2443 temp_ff.full = rfixed_const(1000);
2444 pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
2445 pix_clk.full = rfixed_div(pix_clk, temp_ff);
2446 temp_ff.full = rfixed_const(pixel_bytes1);
2447 peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
2448 }
2449 if (mode2) {
2450 temp_ff.full = rfixed_const(1000);
2451 pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
2452 pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
2453 temp_ff.full = rfixed_const(pixel_bytes2);
2454 peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
2455 }
2456
2457 mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
2458 if (peak_disp_bw.full >= mem_bw.full) {
2459 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2460 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2461 }
2462
2463 /* Get values from the EXT_MEM_CNTL register...converting its contents. */
2464 temp = RREG32(RADEON_MEM_TIMING_CNTL);
2465 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2466 mem_trcd = ((temp >> 2) & 0x3) + 1;
2467 mem_trp = ((temp & 0x3)) + 1;
2468 mem_tras = ((temp & 0x70) >> 4) + 1;
2469 } else if (rdev->family == CHIP_R300 ||
2470 rdev->family == CHIP_R350) { /* r300, r350 */
2471 mem_trcd = (temp & 0x7) + 1;
2472 mem_trp = ((temp >> 8) & 0x7) + 1;
2473 mem_tras = ((temp >> 11) & 0xf) + 4;
2474 } else if (rdev->family == CHIP_RV350 ||
2475 rdev->family <= CHIP_RV380) {
2476 /* rv3x0 */
2477 mem_trcd = (temp & 0x7) + 3;
2478 mem_trp = ((temp >> 8) & 0x7) + 3;
2479 mem_tras = ((temp >> 11) & 0xf) + 6;
2480 } else if (rdev->family == CHIP_R420 ||
2481 rdev->family == CHIP_R423 ||
2482 rdev->family == CHIP_RV410) {
2483 /* r4xx */
2484 mem_trcd = (temp & 0xf) + 3;
2485 if (mem_trcd > 15)
2486 mem_trcd = 15;
2487 mem_trp = ((temp >> 8) & 0xf) + 3;
2488 if (mem_trp > 15)
2489 mem_trp = 15;
2490 mem_tras = ((temp >> 12) & 0x1f) + 6;
2491 if (mem_tras > 31)
2492 mem_tras = 31;
2493 } else { /* RV200, R200 */
2494 mem_trcd = (temp & 0x7) + 1;
2495 mem_trp = ((temp >> 8) & 0x7) + 1;
2496 mem_tras = ((temp >> 12) & 0xf) + 4;
2497 }
2498 /* convert to FF */
2499 trcd_ff.full = rfixed_const(mem_trcd);
2500 trp_ff.full = rfixed_const(mem_trp);
2501 tras_ff.full = rfixed_const(mem_tras);
2502
2503 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
2504 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2505 data = (temp & (7 << 20)) >> 20;
2506 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
2507 if (rdev->family == CHIP_RS480) /* don't think rs400 */
2508 tcas_ff = memtcas_rs480_ff[data];
2509 else
2510 tcas_ff = memtcas_ff[data];
2511 } else
2512 tcas_ff = memtcas2_ff[data];
2513
2514 if (rdev->family == CHIP_RS400 ||
2515 rdev->family == CHIP_RS480) {
2516 /* extra cas latency stored in bits 23-25 0-4 clocks */
2517 data = (temp >> 23) & 0x7;
2518 if (data < 5)
2519 tcas_ff.full += rfixed_const(data);
2520 }
2521
2522 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
2523 /* on the R300, Tcas is included in Trbs.
2524 */
2525 temp = RREG32(RADEON_MEM_CNTL);
2526 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
2527 if (data == 1) {
2528 if (R300_MEM_USE_CD_CH_ONLY & temp) {
2529 temp = RREG32(R300_MC_IND_INDEX);
2530 temp &= ~R300_MC_IND_ADDR_MASK;
2531 temp |= R300_MC_READ_CNTL_CD_mcind;
2532 WREG32(R300_MC_IND_INDEX, temp);
2533 temp = RREG32(R300_MC_IND_DATA);
2534 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
2535 } else {
2536 temp = RREG32(R300_MC_READ_CNTL_AB);
2537 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2538 }
2539 } else {
2540 temp = RREG32(R300_MC_READ_CNTL_AB);
2541 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2542 }
2543 if (rdev->family == CHIP_RV410 ||
2544 rdev->family == CHIP_R420 ||
2545 rdev->family == CHIP_R423)
2546 trbs_ff = memtrbs_r4xx[data];
2547 else
2548 trbs_ff = memtrbs[data];
2549 tcas_ff.full += trbs_ff.full;
2550 }
2551
2552 sclk_eff_ff.full = sclk_ff.full;
2553
2554 if (rdev->flags & RADEON_IS_AGP) {
2555 fixed20_12 agpmode_ff;
2556 agpmode_ff.full = rfixed_const(radeon_agpmode);
2557 temp_ff.full = rfixed_const_666(16);
2558 sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
2559 }
2560 /* TODO PCIE lanes may affect this - agpmode == 16?? */
2561
2562 if (ASIC_IS_R300(rdev)) {
2563 sclk_delay_ff.full = rfixed_const(250);
2564 } else {
2565 if ((rdev->family == CHIP_RV100) ||
2566 rdev->flags & RADEON_IS_IGP) {
2567 if (rdev->mc.vram_is_ddr)
2568 sclk_delay_ff.full = rfixed_const(41);
2569 else
2570 sclk_delay_ff.full = rfixed_const(33);
2571 } else {
2572 if (rdev->mc.vram_width == 128)
2573 sclk_delay_ff.full = rfixed_const(57);
2574 else
2575 sclk_delay_ff.full = rfixed_const(41);
2576 }
2577 }
2578
2579 mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
2580
2581 if (rdev->mc.vram_is_ddr) {
2582 if (rdev->mc.vram_width == 32) {
2583 k1.full = rfixed_const(40);
2584 c = 3;
2585 } else {
2586 k1.full = rfixed_const(20);
2587 c = 1;
2588 }
2589 } else {
2590 k1.full = rfixed_const(40);
2591 c = 3;
2592 }
2593
2594 temp_ff.full = rfixed_const(2);
2595 mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
2596 temp_ff.full = rfixed_const(c);
2597 mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
2598 temp_ff.full = rfixed_const(4);
2599 mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
2600 mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
2601 mc_latency_mclk.full += k1.full;
2602
2603 mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
2604 mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
2605
2606 /*
2607 HW cursor time assuming worst case of full size colour cursor.
2608 */
2609 temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
2610 temp_ff.full += trcd_ff.full;
2611 if (temp_ff.full < tras_ff.full)
2612 temp_ff.full = tras_ff.full;
2613 cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
2614
2615 temp_ff.full = rfixed_const(cur_size);
2616 cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
2617 /*
2618 Find the total latency for the display data.
2619 */
2620 disp_latency_overhead.full = rfixed_const(8);
2621 disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
2622 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
2623 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
2624
2625 if (mc_latency_mclk.full > mc_latency_sclk.full)
2626 disp_latency.full = mc_latency_mclk.full;
2627 else
2628 disp_latency.full = mc_latency_sclk.full;
2629
2630 /* setup Max GRPH_STOP_REQ default value */
2631 if (ASIC_IS_RV100(rdev))
2632 max_stop_req = 0x5c;
2633 else
2634 max_stop_req = 0x7c;
2635
2636 if (mode1) {
2637 /* CRTC1
2638 Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
2639 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
2640 */
2641 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
2642
2643 if (stop_req > max_stop_req)
2644 stop_req = max_stop_req;
2645
2646 /*
2647 Find the drain rate of the display buffer.
2648 */
2649 temp_ff.full = rfixed_const((16/pixel_bytes1));
2650 disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
2651
2652 /*
2653 Find the critical point of the display buffer.
2654 */
2655 crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
2656 crit_point_ff.full += rfixed_const_half(0);
2657
2658 critical_point = rfixed_trunc(crit_point_ff);
2659
2660 if (rdev->disp_priority == 2) {
2661 critical_point = 0;
2662 }
2663
2664 /*
2665 The critical point should never be above max_stop_req-4. Setting
2666 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
2667 */
2668 if (max_stop_req - critical_point < 4)
2669 critical_point = 0;
2670
2671 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
2672 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
2673 critical_point = 0x10;
2674 }
2675
2676 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
2677 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
2678 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2679 temp &= ~(RADEON_GRPH_START_REQ_MASK);
2680 if ((rdev->family == CHIP_R350) &&
2681 (stop_req > 0x15)) {
2682 stop_req -= 0x10;
2683 }
2684 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2685 temp |= RADEON_GRPH_BUFFER_SIZE;
2686 temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
2687 RADEON_GRPH_CRITICAL_AT_SOF |
2688 RADEON_GRPH_STOP_CNTL);
2689 /*
2690 Write the result into the register.
2691 */
2692 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2693 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2694
2695 #if 0
2696 if ((rdev->family == CHIP_RS400) ||
2697 (rdev->family == CHIP_RS480)) {
2698 /* attempt to program RS400 disp regs correctly ??? */
2699 temp = RREG32(RS400_DISP1_REG_CNTL);
2700 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
2701 RS400_DISP1_STOP_REQ_LEVEL_MASK);
2702 WREG32(RS400_DISP1_REQ_CNTL1, (temp |
2703 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2704 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2705 temp = RREG32(RS400_DMIF_MEM_CNTL1);
2706 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
2707 RS400_DISP1_CRITICAL_POINT_STOP_MASK);
2708 WREG32(RS400_DMIF_MEM_CNTL1, (temp |
2709 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
2710 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
2711 }
2712 #endif
2713
2714 DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n",
2715 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
2716 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
2717 }
2718
2719 if (mode2) {
2720 u32 grph2_cntl;
2721 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
2722
2723 if (stop_req > max_stop_req)
2724 stop_req = max_stop_req;
2725
2726 /*
2727 Find the drain rate of the display buffer.
2728 */
2729 temp_ff.full = rfixed_const((16/pixel_bytes2));
2730 disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
2731
2732 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
2733 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
2734 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2735 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
2736 if ((rdev->family == CHIP_R350) &&
2737 (stop_req > 0x15)) {
2738 stop_req -= 0x10;
2739 }
2740 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2741 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
2742 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
2743 RADEON_GRPH_CRITICAL_AT_SOF |
2744 RADEON_GRPH_STOP_CNTL);
2745
2746 if ((rdev->family == CHIP_RS100) ||
2747 (rdev->family == CHIP_RS200))
2748 critical_point2 = 0;
2749 else {
2750 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
2751 temp_ff.full = rfixed_const(temp);
2752 temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
2753 if (sclk_ff.full < temp_ff.full)
2754 temp_ff.full = sclk_ff.full;
2755
2756 read_return_rate.full = temp_ff.full;
2757
2758 if (mode1) {
2759 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
2760 time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
2761 } else {
2762 time_disp1_drop_priority.full = 0;
2763 }
2764 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
2765 crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
2766 crit_point_ff.full += rfixed_const_half(0);
2767
2768 critical_point2 = rfixed_trunc(crit_point_ff);
2769
2770 if (rdev->disp_priority == 2) {
2771 critical_point2 = 0;
2772 }
2773
2774 if (max_stop_req - critical_point2 < 4)
2775 critical_point2 = 0;
2776
2777 }
2778
2779 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
2780 /* some R300 cards have problem with this set to 0 */
2781 critical_point2 = 0x10;
2782 }
2783
2784 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2785 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2786
2787 if ((rdev->family == CHIP_RS400) ||
2788 (rdev->family == CHIP_RS480)) {
2789 #if 0
2790 /* attempt to program RS400 disp2 regs correctly ??? */
2791 temp = RREG32(RS400_DISP2_REQ_CNTL1);
2792 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
2793 RS400_DISP2_STOP_REQ_LEVEL_MASK);
2794 WREG32(RS400_DISP2_REQ_CNTL1, (temp |
2795 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2796 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2797 temp = RREG32(RS400_DISP2_REQ_CNTL2);
2798 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
2799 RS400_DISP2_CRITICAL_POINT_STOP_MASK);
2800 WREG32(RS400_DISP2_REQ_CNTL2, (temp |
2801 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
2802 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
2803 #endif
2804 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
2805 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
2806 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
2807 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
2808 }
2809
2810 DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n",
2811 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
2812 }
2813 }
2814
2815 static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2816 {
2817 DRM_ERROR("pitch %d\n", t->pitch);
2818 DRM_ERROR("use_pitch %d\n", t->use_pitch);
2819 DRM_ERROR("width %d\n", t->width);
2820 DRM_ERROR("width_11 %d\n", t->width_11);
2821 DRM_ERROR("height %d\n", t->height);
2822 DRM_ERROR("height_11 %d\n", t->height_11);
2823 DRM_ERROR("num levels %d\n", t->num_levels);
2824 DRM_ERROR("depth %d\n", t->txdepth);
2825 DRM_ERROR("bpp %d\n", t->cpp);
2826 DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
2827 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
2828 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2829 DRM_ERROR("compress format %d\n", t->compress_format);
2830 }
2831
2832 static int r100_cs_track_cube(struct radeon_device *rdev,
2833 struct r100_cs_track *track, unsigned idx)
2834 {
2835 unsigned face, w, h;
2836 struct radeon_bo *cube_robj;
2837 unsigned long size;
2838
2839 for (face = 0; face < 5; face++) {
2840 cube_robj = track->textures[idx].cube_info[face].robj;
2841 w = track->textures[idx].cube_info[face].width;
2842 h = track->textures[idx].cube_info[face].height;
2843
2844 size = w * h;
2845 size *= track->textures[idx].cpp;
2846
2847 size += track->textures[idx].cube_info[face].offset;
2848
2849 if (size > radeon_bo_size(cube_robj)) {
2850 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2851 size, radeon_bo_size(cube_robj));
2852 r100_cs_track_texture_print(&track->textures[idx]);
2853 return -1;
2854 }
2855 }
2856 return 0;
2857 }
2858
2859 static int r100_track_compress_size(int compress_format, int w, int h)
2860 {
2861 int block_width, block_height, block_bytes;
2862 int wblocks, hblocks;
2863 int min_wblocks;
2864 int sz;
2865
2866 block_width = 4;
2867 block_height = 4;
2868
2869 switch (compress_format) {
2870 case R100_TRACK_COMP_DXT1:
2871 block_bytes = 8;
2872 min_wblocks = 4;
2873 break;
2874 default:
2875 case R100_TRACK_COMP_DXT35:
2876 block_bytes = 16;
2877 min_wblocks = 2;
2878 break;
2879 }
2880
2881 hblocks = (h + block_height - 1) / block_height;
2882 wblocks = (w + block_width - 1) / block_width;
2883 if (wblocks < min_wblocks)
2884 wblocks = min_wblocks;
2885 sz = wblocks * hblocks * block_bytes;
2886 return sz;
2887 }
2888
2889 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2890 struct r100_cs_track *track)
2891 {
2892 struct radeon_bo *robj;
2893 unsigned long size;
2894 unsigned u, i, w, h;
2895 int ret;
2896
2897 for (u = 0; u < track->num_texture; u++) {
2898 if (!track->textures[u].enabled)
2899 continue;
2900 robj = track->textures[u].robj;
2901 if (robj == NULL) {
2902 DRM_ERROR("No texture bound to unit %u\n", u);
2903 return -EINVAL;
2904 }
2905 size = 0;
2906 for (i = 0; i <= track->textures[u].num_levels; i++) {
2907 if (track->textures[u].use_pitch) {
2908 if (rdev->family < CHIP_R300)
2909 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2910 else
2911 w = track->textures[u].pitch / (1 << i);
2912 } else {
2913 w = track->textures[u].width;
2914 if (rdev->family >= CHIP_RV515)
2915 w |= track->textures[u].width_11;
2916 w = w / (1 << i);
2917 if (track->textures[u].roundup_w)
2918 w = roundup_pow_of_two(w);
2919 }
2920 h = track->textures[u].height;
2921 if (rdev->family >= CHIP_RV515)
2922 h |= track->textures[u].height_11;
2923 h = h / (1 << i);
2924 if (track->textures[u].roundup_h)
2925 h = roundup_pow_of_two(h);
2926 if (track->textures[u].compress_format) {
2927
2928 size += r100_track_compress_size(track->textures[u].compress_format, w, h);
2929 /* compressed textures are block based */
2930 } else
2931 size += w * h;
2932 }
2933 size *= track->textures[u].cpp;
2934
2935 switch (track->textures[u].tex_coord_type) {
2936 case 0:
2937 break;
2938 case 1:
2939 size *= (1 << track->textures[u].txdepth);
2940 break;
2941 case 2:
2942 if (track->separate_cube) {
2943 ret = r100_cs_track_cube(rdev, track, u);
2944 if (ret)
2945 return ret;
2946 } else
2947 size *= 6;
2948 break;
2949 default:
2950 DRM_ERROR("Invalid texture coordinate type %u for unit "
2951 "%u\n", track->textures[u].tex_coord_type, u);
2952 return -EINVAL;
2953 }
2954 if (size > radeon_bo_size(robj)) {
2955 DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2956 "%lu\n", u, size, radeon_bo_size(robj));
2957 r100_cs_track_texture_print(&track->textures[u]);
2958 return -EINVAL;
2959 }
2960 }
2961 return 0;
2962 }
2963
2964 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2965 {
2966 unsigned i;
2967 unsigned long size;
2968 unsigned prim_walk;
2969 unsigned nverts;
2970
2971 for (i = 0; i < track->num_cb; i++) {
2972 if (track->cb[i].robj == NULL) {
2973 if (!(track->fastfill || track->color_channel_mask ||
2974 track->blend_read_enable)) {
2975 continue;
2976 }
2977 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2978 return -EINVAL;
2979 }
2980 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2981 size += track->cb[i].offset;
2982 if (size > radeon_bo_size(track->cb[i].robj)) {
2983 DRM_ERROR("[drm] Buffer too small for color buffer %d "
2984 "(need %lu have %lu) !\n", i, size,
2985 radeon_bo_size(track->cb[i].robj));
2986 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2987 i, track->cb[i].pitch, track->cb[i].cpp,
2988 track->cb[i].offset, track->maxy);
2989 return -EINVAL;
2990 }
2991 }
2992 if (track->z_enabled) {
2993 if (track->zb.robj == NULL) {
2994 DRM_ERROR("[drm] No buffer for z buffer !\n");
2995 return -EINVAL;
2996 }
2997 size = track->zb.pitch * track->zb.cpp * track->maxy;
2998 size += track->zb.offset;
2999 if (size > radeon_bo_size(track->zb.robj)) {
3000 DRM_ERROR("[drm] Buffer too small for z buffer "
3001 "(need %lu have %lu) !\n", size,
3002 radeon_bo_size(track->zb.robj));
3003 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
3004 track->zb.pitch, track->zb.cpp,
3005 track->zb.offset, track->maxy);
3006 return -EINVAL;
3007 }
3008 }
3009 prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
3010 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
3011 switch (prim_walk) {
3012 case 1:
3013 for (i = 0; i < track->num_arrays; i++) {
3014 size = track->arrays[i].esize * track->max_indx * 4;
3015 if (track->arrays[i].robj == NULL) {
3016 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3017 "bound\n", prim_walk, i);
3018 return -EINVAL;
3019 }
3020 if (size > radeon_bo_size(track->arrays[i].robj)) {
3021 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3022 "need %lu dwords have %lu dwords\n",
3023 prim_walk, i, size >> 2,
3024 radeon_bo_size(track->arrays[i].robj)
3025 >> 2);
3026 DRM_ERROR("Max indices %u\n", track->max_indx);
3027 return -EINVAL;
3028 }
3029 }
3030 break;
3031 case 2:
3032 for (i = 0; i < track->num_arrays; i++) {
3033 size = track->arrays[i].esize * (nverts - 1) * 4;
3034 if (track->arrays[i].robj == NULL) {
3035 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3036 "bound\n", prim_walk, i);
3037 return -EINVAL;
3038 }
3039 if (size > radeon_bo_size(track->arrays[i].robj)) {
3040 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3041 "need %lu dwords have %lu dwords\n",
3042 prim_walk, i, size >> 2,
3043 radeon_bo_size(track->arrays[i].robj)
3044 >> 2);
3045 return -EINVAL;
3046 }
3047 }
3048 break;
3049 case 3:
3050 size = track->vtx_size * nverts;
3051 if (size != track->immd_dwords) {
3052 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
3053 track->immd_dwords, size);
3054 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
3055 nverts, track->vtx_size);
3056 return -EINVAL;
3057 }
3058 break;
3059 default:
3060 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
3061 prim_walk);
3062 return -EINVAL;
3063 }
3064 return r100_cs_track_texture_check(rdev, track);
3065 }
3066
3067 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
3068 {
3069 unsigned i, face;
3070
3071 if (rdev->family < CHIP_R300) {
3072 track->num_cb = 1;
3073 if (rdev->family <= CHIP_RS200)
3074 track->num_texture = 3;
3075 else
3076 track->num_texture = 6;
3077 track->maxy = 2048;
3078 track->separate_cube = 1;
3079 } else {
3080 track->num_cb = 4;
3081 track->num_texture = 16;
3082 track->maxy = 4096;
3083 track->separate_cube = 0;
3084 }
3085
3086 for (i = 0; i < track->num_cb; i++) {
3087 track->cb[i].robj = NULL;
3088 track->cb[i].pitch = 8192;
3089 track->cb[i].cpp = 16;
3090 track->cb[i].offset = 0;
3091 }
3092 track->z_enabled = true;
3093 track->zb.robj = NULL;
3094 track->zb.pitch = 8192;
3095 track->zb.cpp = 4;
3096 track->zb.offset = 0;
3097 track->vtx_size = 0x7F;
3098 track->immd_dwords = 0xFFFFFFFFUL;
3099 track->num_arrays = 11;
3100 track->max_indx = 0x00FFFFFFUL;
3101 for (i = 0; i < track->num_arrays; i++) {
3102 track->arrays[i].robj = NULL;
3103 track->arrays[i].esize = 0x7F;
3104 }
3105 for (i = 0; i < track->num_texture; i++) {
3106 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
3107 track->textures[i].pitch = 16536;
3108 track->textures[i].width = 16536;
3109 track->textures[i].height = 16536;
3110 track->textures[i].width_11 = 1 << 11;
3111 track->textures[i].height_11 = 1 << 11;
3112 track->textures[i].num_levels = 12;
3113 if (rdev->family <= CHIP_RS200) {
3114 track->textures[i].tex_coord_type = 0;
3115 track->textures[i].txdepth = 0;
3116 } else {
3117 track->textures[i].txdepth = 16;
3118 track->textures[i].tex_coord_type = 1;
3119 }
3120 track->textures[i].cpp = 64;
3121 track->textures[i].robj = NULL;
3122 /* CS IB emission code makes sure texture unit are disabled */
3123 track->textures[i].enabled = false;
3124 track->textures[i].roundup_w = true;
3125 track->textures[i].roundup_h = true;
3126 if (track->separate_cube)
3127 for (face = 0; face < 5; face++) {
3128 track->textures[i].cube_info[face].robj = NULL;
3129 track->textures[i].cube_info[face].width = 16536;
3130 track->textures[i].cube_info[face].height = 16536;
3131 track->textures[i].cube_info[face].offset = 0;
3132 }
3133 }
3134 }
3135
3136 int r100_ring_test(struct radeon_device *rdev)
3137 {
3138 uint32_t scratch;
3139 uint32_t tmp = 0;
3140 unsigned i;
3141 int r;
3142
3143 r = radeon_scratch_get(rdev, &scratch);
3144 if (r) {
3145 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3146 return r;
3147 }
3148 WREG32(scratch, 0xCAFEDEAD);
3149 r = radeon_ring_lock(rdev, 2);
3150 if (r) {
3151 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3152 radeon_scratch_free(rdev, scratch);
3153 return r;
3154 }
3155 radeon_ring_write(rdev, PACKET0(scratch, 0));
3156 radeon_ring_write(rdev, 0xDEADBEEF);
3157 radeon_ring_unlock_commit(rdev);
3158 for (i = 0; i < rdev->usec_timeout; i++) {
3159 tmp = RREG32(scratch);
3160 if (tmp == 0xDEADBEEF) {
3161 break;
3162 }
3163 DRM_UDELAY(1);
3164 }
3165 if (i < rdev->usec_timeout) {
3166 DRM_INFO("ring test succeeded in %d usecs\n", i);
3167 } else {
3168 DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
3169 scratch, tmp);
3170 r = -EINVAL;
3171 }
3172 radeon_scratch_free(rdev, scratch);
3173 return r;
3174 }
3175
3176 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3177 {
3178 radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
3179 radeon_ring_write(rdev, ib->gpu_addr);
3180 radeon_ring_write(rdev, ib->length_dw);
3181 }
3182
3183 int r100_ib_test(struct radeon_device *rdev)
3184 {
3185 struct radeon_ib *ib;
3186 uint32_t scratch;
3187 uint32_t tmp = 0;
3188 unsigned i;
3189 int r;
3190
3191 r = radeon_scratch_get(rdev, &scratch);
3192 if (r) {
3193 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3194 return r;
3195 }
3196 WREG32(scratch, 0xCAFEDEAD);
3197 r = radeon_ib_get(rdev, &ib);
3198 if (r) {
3199 return r;
3200 }
3201 ib->ptr[0] = PACKET0(scratch, 0);
3202 ib->ptr[1] = 0xDEADBEEF;
3203 ib->ptr[2] = PACKET2(0);
3204 ib->ptr[3] = PACKET2(0);
3205 ib->ptr[4] = PACKET2(0);
3206 ib->ptr[5] = PACKET2(0);
3207 ib->ptr[6] = PACKET2(0);
3208 ib->ptr[7] = PACKET2(0);
3209 ib->length_dw = 8;
3210 r = radeon_ib_schedule(rdev, ib);
3211 if (r) {
3212 radeon_scratch_free(rdev, scratch);
3213 radeon_ib_free(rdev, &ib);
3214 return r;
3215 }
3216 r = radeon_fence_wait(ib->fence, false);
3217 if (r) {
3218 return r;
3219 }
3220 for (i = 0; i < rdev->usec_timeout; i++) {
3221 tmp = RREG32(scratch);
3222 if (tmp == 0xDEADBEEF) {
3223 break;
3224 }
3225 DRM_UDELAY(1);
3226 }
3227 if (i < rdev->usec_timeout) {
3228 DRM_INFO("ib test succeeded in %u usecs\n", i);
3229 } else {
3230 DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n",
3231 scratch, tmp);
3232 r = -EINVAL;
3233 }
3234 radeon_scratch_free(rdev, scratch);
3235 radeon_ib_free(rdev, &ib);
3236 return r;
3237 }
3238
3239 void r100_ib_fini(struct radeon_device *rdev)
3240 {
3241 radeon_ib_pool_fini(rdev);
3242 }
3243
3244 int r100_ib_init(struct radeon_device *rdev)
3245 {
3246 int r;
3247
3248 r = radeon_ib_pool_init(rdev);
3249 if (r) {
3250 dev_err(rdev->dev, "failled initializing IB pool (%d).\n", r);
3251 r100_ib_fini(rdev);
3252 return r;
3253 }
3254 r = r100_ib_test(rdev);
3255 if (r) {
3256 dev_err(rdev->dev, "failled testing IB (%d).\n", r);
3257 r100_ib_fini(rdev);
3258 return r;
3259 }
3260 return 0;
3261 }
3262
3263 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3264 {
3265 /* Shutdown CP we shouldn't need to do that but better be safe than
3266 * sorry
3267 */
3268 rdev->cp.ready = false;
3269 WREG32(R_000740_CP_CSQ_CNTL, 0);
3270
3271 /* Save few CRTC registers */
3272 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3273 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3274 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3275 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3276 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3277 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3278 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3279 }
3280
3281 /* Disable VGA aperture access */
3282 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3283 /* Disable cursor, overlay, crtc */
3284 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3285 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3286 S_000054_CRTC_DISPLAY_DIS(1));
3287 WREG32(R_000050_CRTC_GEN_CNTL,
3288 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3289 S_000050_CRTC_DISP_REQ_EN_B(1));
3290 WREG32(R_000420_OV0_SCALE_CNTL,
3291 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3292 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3293 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3294 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3295 S_000360_CUR2_LOCK(1));
3296 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3297 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3298 S_0003F8_CRTC2_DISPLAY_DIS(1) |
3299 S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3300 WREG32(R_000360_CUR2_OFFSET,
3301 C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3302 }
3303 }
3304
3305 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3306 {
3307 /* Update base address for crtc */
3308 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3309 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3310 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3311 }
3312 /* Restore CRTC registers */
3313 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3314 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3315 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3316 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3317 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3318 }
3319 }
3320
3321 void r100_vga_render_disable(struct radeon_device *rdev)
3322 {
3323 u32 tmp;
3324
3325 tmp = RREG8(R_0003C2_GENMO_WT);
3326 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3327 }
3328
3329 static void r100_debugfs(struct radeon_device *rdev)
3330 {
3331 int r;
3332
3333 r = r100_debugfs_mc_info_init(rdev);
3334 if (r)
3335 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3336 }
3337
3338 static void r100_mc_program(struct radeon_device *rdev)
3339 {
3340 struct r100_mc_save save;
3341
3342 /* Stops all mc clients */
3343 r100_mc_stop(rdev, &save);
3344 if (rdev->flags & RADEON_IS_AGP) {
3345 WREG32(R_00014C_MC_AGP_LOCATION,
3346 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3347 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3348 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3349 if (rdev->family > CHIP_RV200)
3350 WREG32(R_00015C_AGP_BASE_2,
3351 upper_32_bits(rdev->mc.agp_base) & 0xff);
3352 } else {
3353 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3354 WREG32(R_000170_AGP_BASE, 0);
3355 if (rdev->family > CHIP_RV200)
3356 WREG32(R_00015C_AGP_BASE_2, 0);
3357 }
3358 /* Wait for mc idle */
3359 if (r100_mc_wait_for_idle(rdev))
3360 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3361 /* Program MC, should be a 32bits limited address space */
3362 WREG32(R_000148_MC_FB_LOCATION,
3363 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3364 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3365 r100_mc_resume(rdev, &save);
3366 }
3367
3368 void r100_clock_startup(struct radeon_device *rdev)
3369 {
3370 u32 tmp;
3371
3372 if (radeon_dynclks != -1 && radeon_dynclks)
3373 radeon_legacy_set_clock_gating(rdev, 1);
3374 /* We need to force on some of the block */
3375 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3376 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3377 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3378 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3379 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3380 }
3381
3382 static int r100_startup(struct radeon_device *rdev)
3383 {
3384 int r;
3385
3386 /* set common regs */
3387 r100_set_common_regs(rdev);
3388 /* program mc */
3389 r100_mc_program(rdev);
3390 /* Resume clock */
3391 r100_clock_startup(rdev);
3392 /* Initialize GPU configuration (# pipes, ...) */
3393 r100_gpu_init(rdev);
3394 /* Initialize GART (initialize after TTM so we can allocate
3395 * memory through TTM but finalize after TTM) */
3396 r100_enable_bm(rdev);
3397 if (rdev->flags & RADEON_IS_PCI) {
3398 r = r100_pci_gart_enable(rdev);
3399 if (r)
3400 return r;
3401 }
3402 /* Enable IRQ */
3403 r100_irq_set(rdev);
3404 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3405 /* 1M ring buffer */
3406 r = r100_cp_init(rdev, 1024 * 1024);
3407 if (r) {
3408 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
3409 return r;
3410 }
3411 r = r100_wb_init(rdev);
3412 if (r)
3413 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
3414 r = r100_ib_init(rdev);
3415 if (r) {
3416 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
3417 return r;
3418 }
3419 return 0;
3420 }
3421
3422 int r100_resume(struct radeon_device *rdev)
3423 {
3424 /* Make sur GART are not working */
3425 if (rdev->flags & RADEON_IS_PCI)
3426 r100_pci_gart_disable(rdev);
3427 /* Resume clock before doing reset */
3428 r100_clock_startup(rdev);
3429 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3430 if (radeon_gpu_reset(rdev)) {
3431 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3432 RREG32(R_000E40_RBBM_STATUS),
3433 RREG32(R_0007C0_CP_STAT));
3434 }
3435 /* post */
3436 radeon_combios_asic_init(rdev->ddev);
3437 /* Resume clock after posting */
3438 r100_clock_startup(rdev);
3439 /* Initialize surface registers */
3440 radeon_surface_init(rdev);
3441 return r100_startup(rdev);
3442 }
3443
3444 int r100_suspend(struct radeon_device *rdev)
3445 {
3446 r100_cp_disable(rdev);
3447 r100_wb_disable(rdev);
3448 r100_irq_disable(rdev);
3449 if (rdev->flags & RADEON_IS_PCI)
3450 r100_pci_gart_disable(rdev);
3451 return 0;
3452 }
3453
3454 void r100_fini(struct radeon_device *rdev)
3455 {
3456 radeon_pm_fini(rdev);
3457 r100_cp_fini(rdev);
3458 r100_wb_fini(rdev);
3459 r100_ib_fini(rdev);
3460 radeon_gem_fini(rdev);
3461 if (rdev->flags & RADEON_IS_PCI)
3462 r100_pci_gart_fini(rdev);
3463 radeon_agp_fini(rdev);
3464 radeon_irq_kms_fini(rdev);
3465 radeon_fence_driver_fini(rdev);
3466 radeon_bo_fini(rdev);
3467 radeon_atombios_fini(rdev);
3468 kfree(rdev->bios);
3469 rdev->bios = NULL;
3470 }
3471
3472 int r100_init(struct radeon_device *rdev)
3473 {
3474 int r;
3475
3476 /* Register debugfs file specific to this group of asics */
3477 r100_debugfs(rdev);
3478 /* Disable VGA */
3479 r100_vga_render_disable(rdev);
3480 /* Initialize scratch registers */
3481 radeon_scratch_init(rdev);
3482 /* Initialize surface registers */
3483 radeon_surface_init(rdev);
3484 /* TODO: disable VGA need to use VGA request */
3485 /* BIOS*/
3486 if (!radeon_get_bios(rdev)) {
3487 if (ASIC_IS_AVIVO(rdev))
3488 return -EINVAL;
3489 }
3490 if (rdev->is_atom_bios) {
3491 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
3492 return -EINVAL;
3493 } else {
3494 r = radeon_combios_init(rdev);
3495 if (r)
3496 return r;
3497 }
3498 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3499 if (radeon_gpu_reset(rdev)) {
3500 dev_warn(rdev->dev,
3501 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3502 RREG32(R_000E40_RBBM_STATUS),
3503 RREG32(R_0007C0_CP_STAT));
3504 }
3505 /* check if cards are posted or not */
3506 if (radeon_boot_test_post_card(rdev) == false)
3507 return -EINVAL;
3508 /* Set asic errata */
3509 r100_errata(rdev);
3510 /* Initialize clocks */
3511 radeon_get_clock_info(rdev->ddev);
3512 /* Initialize power management */
3513 radeon_pm_init(rdev);
3514 /* initialize AGP */
3515 if (rdev->flags & RADEON_IS_AGP) {
3516 r = radeon_agp_init(rdev);
3517 if (r) {
3518 radeon_agp_disable(rdev);
3519 }
3520 }
3521 /* initialize VRAM */
3522 r100_mc_init(rdev);
3523 /* Fence driver */
3524 r = radeon_fence_driver_init(rdev);
3525 if (r)
3526 return r;
3527 r = radeon_irq_kms_init(rdev);
3528 if (r)
3529 return r;
3530 /* Memory manager */
3531 r = radeon_bo_init(rdev);
3532 if (r)
3533 return r;
3534 if (rdev->flags & RADEON_IS_PCI) {
3535 r = r100_pci_gart_init(rdev);
3536 if (r)
3537 return r;
3538 }
3539 r100_set_safe_registers(rdev);
3540 rdev->accel_working = true;
3541 r = r100_startup(rdev);
3542 if (r) {
3543 /* Somethings want wront with the accel init stop accel */
3544 dev_err(rdev->dev, "Disabling GPU acceleration\n");
3545 r100_cp_fini(rdev);
3546 r100_wb_fini(rdev);
3547 r100_ib_fini(rdev);
3548 radeon_irq_kms_fini(rdev);
3549 if (rdev->flags & RADEON_IS_PCI)
3550 r100_pci_gart_fini(rdev);
3551 rdev->accel_working = false;
3552 }
3553 return 0;
3554 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree