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drm/radeon/kms: make ring_start, ring_test, and ib_test per ring
[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / radeon / r300.c
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 <drm/drmP.h>
31 #include <drm/drm.h>
32 #include <drm/drm_crtc_helper.h>
33 #include "radeon_reg.h"
34 #include "radeon.h"
35 #include "radeon_asic.h"
36 #include "radeon_drm.h"
37 #include "r100_track.h"
38 #include "r300d.h"
39 #include "rv350d.h"
40 #include "r300_reg_safe.h"
41
42 /* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
43 *
44 * GPU Errata:
45 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
46 * using MMIO to flush host path read cache, this lead to HARDLOCKUP.
47 * However, scheduling such write to the ring seems harmless, i suspect
48 * the CP read collide with the flush somehow, or maybe the MC, hard to
49 * tell. (Jerome Glisse)
50 */
51
52 /*
53 * rv370,rv380 PCIE GART
54 */
55 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
56
57 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
58 {
59 uint32_t tmp;
60 int i;
61
62 /* Workaround HW bug do flush 2 times */
63 for (i = 0; i < 2; i++) {
64 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
65 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
66 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
67 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
68 }
69 mb();
70 }
71
72 #define R300_PTE_WRITEABLE (1 << 2)
73 #define R300_PTE_READABLE (1 << 3)
74
75 int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
76 {
77 void __iomem *ptr = rdev->gart.ptr;
78
79 if (i < 0 || i > rdev->gart.num_gpu_pages) {
80 return -EINVAL;
81 }
82 addr = (lower_32_bits(addr) >> 8) |
83 ((upper_32_bits(addr) & 0xff) << 24) |
84 R300_PTE_WRITEABLE | R300_PTE_READABLE;
85 /* on x86 we want this to be CPU endian, on powerpc
86 * on powerpc without HW swappers, it'll get swapped on way
87 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
88 writel(addr, ((void __iomem *)ptr) + (i * 4));
89 return 0;
90 }
91
92 int rv370_pcie_gart_init(struct radeon_device *rdev)
93 {
94 int r;
95
96 if (rdev->gart.robj) {
97 WARN(1, "RV370 PCIE GART already initialized\n");
98 return 0;
99 }
100 /* Initialize common gart structure */
101 r = radeon_gart_init(rdev);
102 if (r)
103 return r;
104 r = rv370_debugfs_pcie_gart_info_init(rdev);
105 if (r)
106 DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
107 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
108 rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush;
109 rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
110 return radeon_gart_table_vram_alloc(rdev);
111 }
112
113 int rv370_pcie_gart_enable(struct radeon_device *rdev)
114 {
115 uint32_t table_addr;
116 uint32_t tmp;
117 int r;
118
119 if (rdev->gart.robj == NULL) {
120 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
121 return -EINVAL;
122 }
123 r = radeon_gart_table_vram_pin(rdev);
124 if (r)
125 return r;
126 radeon_gart_restore(rdev);
127 /* discard memory request outside of configured range */
128 tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
129 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
130 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
131 tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
132 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
133 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
134 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
135 table_addr = rdev->gart.table_addr;
136 WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
137 /* FIXME: setup default page */
138 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
139 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
140 /* Clear error */
141 WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
142 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
143 tmp |= RADEON_PCIE_TX_GART_EN;
144 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
145 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
146 rv370_pcie_gart_tlb_flush(rdev);
147 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
148 (unsigned)(rdev->mc.gtt_size >> 20),
149 (unsigned long long)table_addr);
150 rdev->gart.ready = true;
151 return 0;
152 }
153
154 void rv370_pcie_gart_disable(struct radeon_device *rdev)
155 {
156 u32 tmp;
157
158 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
159 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
160 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
161 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
162 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
163 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
164 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
165 radeon_gart_table_vram_unpin(rdev);
166 }
167
168 void rv370_pcie_gart_fini(struct radeon_device *rdev)
169 {
170 radeon_gart_fini(rdev);
171 rv370_pcie_gart_disable(rdev);
172 radeon_gart_table_vram_free(rdev);
173 }
174
175 void r300_fence_ring_emit(struct radeon_device *rdev,
176 struct radeon_fence *fence)
177 {
178 struct radeon_ring *ring = &rdev->ring[fence->ring];
179
180 /* Who ever call radeon_fence_emit should call ring_lock and ask
181 * for enough space (today caller are ib schedule and buffer move) */
182 /* Write SC register so SC & US assert idle */
183 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
184 radeon_ring_write(ring, 0);
185 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
186 radeon_ring_write(ring, 0);
187 /* Flush 3D cache */
188 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
189 radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
190 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
191 radeon_ring_write(ring, R300_ZC_FLUSH);
192 /* Wait until IDLE & CLEAN */
193 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
194 radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
195 RADEON_WAIT_2D_IDLECLEAN |
196 RADEON_WAIT_DMA_GUI_IDLE));
197 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
198 radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
199 RADEON_HDP_READ_BUFFER_INVALIDATE);
200 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
201 radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
202 /* Emit fence sequence & fire IRQ */
203 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
204 radeon_ring_write(ring, fence->seq);
205 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
206 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
207 }
208
209 void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
210 {
211 unsigned gb_tile_config;
212 int r;
213
214 /* Sub pixel 1/12 so we can have 4K rendering according to doc */
215 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
216 switch(rdev->num_gb_pipes) {
217 case 2:
218 gb_tile_config |= R300_PIPE_COUNT_R300;
219 break;
220 case 3:
221 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
222 break;
223 case 4:
224 gb_tile_config |= R300_PIPE_COUNT_R420;
225 break;
226 case 1:
227 default:
228 gb_tile_config |= R300_PIPE_COUNT_RV350;
229 break;
230 }
231
232 r = radeon_ring_lock(rdev, ring, 64);
233 if (r) {
234 return;
235 }
236 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
237 radeon_ring_write(ring,
238 RADEON_ISYNC_ANY2D_IDLE3D |
239 RADEON_ISYNC_ANY3D_IDLE2D |
240 RADEON_ISYNC_WAIT_IDLEGUI |
241 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
242 radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
243 radeon_ring_write(ring, gb_tile_config);
244 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
245 radeon_ring_write(ring,
246 RADEON_WAIT_2D_IDLECLEAN |
247 RADEON_WAIT_3D_IDLECLEAN);
248 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
249 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
250 radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
251 radeon_ring_write(ring, 0);
252 radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
253 radeon_ring_write(ring, 0);
254 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
255 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
256 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
257 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
258 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
259 radeon_ring_write(ring,
260 RADEON_WAIT_2D_IDLECLEAN |
261 RADEON_WAIT_3D_IDLECLEAN);
262 radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
263 radeon_ring_write(ring, 0);
264 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
265 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
266 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
267 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
268 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
269 radeon_ring_write(ring,
270 ((6 << R300_MS_X0_SHIFT) |
271 (6 << R300_MS_Y0_SHIFT) |
272 (6 << R300_MS_X1_SHIFT) |
273 (6 << R300_MS_Y1_SHIFT) |
274 (6 << R300_MS_X2_SHIFT) |
275 (6 << R300_MS_Y2_SHIFT) |
276 (6 << R300_MSBD0_Y_SHIFT) |
277 (6 << R300_MSBD0_X_SHIFT)));
278 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
279 radeon_ring_write(ring,
280 ((6 << R300_MS_X3_SHIFT) |
281 (6 << R300_MS_Y3_SHIFT) |
282 (6 << R300_MS_X4_SHIFT) |
283 (6 << R300_MS_Y4_SHIFT) |
284 (6 << R300_MS_X5_SHIFT) |
285 (6 << R300_MS_Y5_SHIFT) |
286 (6 << R300_MSBD1_SHIFT)));
287 radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
288 radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
289 radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
290 radeon_ring_write(ring,
291 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
292 radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
293 radeon_ring_write(ring,
294 R300_GEOMETRY_ROUND_NEAREST |
295 R300_COLOR_ROUND_NEAREST);
296 radeon_ring_unlock_commit(rdev, ring);
297 }
298
299 void r300_errata(struct radeon_device *rdev)
300 {
301 rdev->pll_errata = 0;
302
303 if (rdev->family == CHIP_R300 &&
304 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
305 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
306 }
307 }
308
309 int r300_mc_wait_for_idle(struct radeon_device *rdev)
310 {
311 unsigned i;
312 uint32_t tmp;
313
314 for (i = 0; i < rdev->usec_timeout; i++) {
315 /* read MC_STATUS */
316 tmp = RREG32(RADEON_MC_STATUS);
317 if (tmp & R300_MC_IDLE) {
318 return 0;
319 }
320 DRM_UDELAY(1);
321 }
322 return -1;
323 }
324
325 void r300_gpu_init(struct radeon_device *rdev)
326 {
327 uint32_t gb_tile_config, tmp;
328
329 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
330 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
331 /* r300,r350 */
332 rdev->num_gb_pipes = 2;
333 } else {
334 /* rv350,rv370,rv380,r300 AD, r350 AH */
335 rdev->num_gb_pipes = 1;
336 }
337 rdev->num_z_pipes = 1;
338 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
339 switch (rdev->num_gb_pipes) {
340 case 2:
341 gb_tile_config |= R300_PIPE_COUNT_R300;
342 break;
343 case 3:
344 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
345 break;
346 case 4:
347 gb_tile_config |= R300_PIPE_COUNT_R420;
348 break;
349 default:
350 case 1:
351 gb_tile_config |= R300_PIPE_COUNT_RV350;
352 break;
353 }
354 WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
355
356 if (r100_gui_wait_for_idle(rdev)) {
357 printk(KERN_WARNING "Failed to wait GUI idle while "
358 "programming pipes. Bad things might happen.\n");
359 }
360
361 tmp = RREG32(R300_DST_PIPE_CONFIG);
362 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
363
364 WREG32(R300_RB2D_DSTCACHE_MODE,
365 R300_DC_AUTOFLUSH_ENABLE |
366 R300_DC_DC_DISABLE_IGNORE_PE);
367
368 if (r100_gui_wait_for_idle(rdev)) {
369 printk(KERN_WARNING "Failed to wait GUI idle while "
370 "programming pipes. Bad things might happen.\n");
371 }
372 if (r300_mc_wait_for_idle(rdev)) {
373 printk(KERN_WARNING "Failed to wait MC idle while "
374 "programming pipes. Bad things might happen.\n");
375 }
376 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
377 rdev->num_gb_pipes, rdev->num_z_pipes);
378 }
379
380 bool r300_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
381 {
382 u32 rbbm_status;
383 int r;
384
385 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
386 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
387 r100_gpu_lockup_update(&rdev->config.r300.lockup, ring);
388 return false;
389 }
390 /* force CP activities */
391 r = radeon_ring_lock(rdev, ring, 2);
392 if (!r) {
393 /* PACKET2 NOP */
394 radeon_ring_write(ring, 0x80000000);
395 radeon_ring_write(ring, 0x80000000);
396 radeon_ring_unlock_commit(rdev, ring);
397 }
398 ring->rptr = RREG32(RADEON_CP_RB_RPTR);
399 return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, ring);
400 }
401
402 int r300_asic_reset(struct radeon_device *rdev)
403 {
404 struct r100_mc_save save;
405 u32 status, tmp;
406 int ret = 0;
407
408 status = RREG32(R_000E40_RBBM_STATUS);
409 if (!G_000E40_GUI_ACTIVE(status)) {
410 return 0;
411 }
412 r100_mc_stop(rdev, &save);
413 status = RREG32(R_000E40_RBBM_STATUS);
414 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
415 /* stop CP */
416 WREG32(RADEON_CP_CSQ_CNTL, 0);
417 tmp = RREG32(RADEON_CP_RB_CNTL);
418 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
419 WREG32(RADEON_CP_RB_RPTR_WR, 0);
420 WREG32(RADEON_CP_RB_WPTR, 0);
421 WREG32(RADEON_CP_RB_CNTL, tmp);
422 /* save PCI state */
423 pci_save_state(rdev->pdev);
424 /* disable bus mastering */
425 r100_bm_disable(rdev);
426 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
427 S_0000F0_SOFT_RESET_GA(1));
428 RREG32(R_0000F0_RBBM_SOFT_RESET);
429 mdelay(500);
430 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
431 mdelay(1);
432 status = RREG32(R_000E40_RBBM_STATUS);
433 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
434 /* resetting the CP seems to be problematic sometimes it end up
435 * hard locking the computer, but it's necessary for successful
436 * reset more test & playing is needed on R3XX/R4XX to find a
437 * reliable (if any solution)
438 */
439 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
440 RREG32(R_0000F0_RBBM_SOFT_RESET);
441 mdelay(500);
442 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
443 mdelay(1);
444 status = RREG32(R_000E40_RBBM_STATUS);
445 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
446 /* restore PCI & busmastering */
447 pci_restore_state(rdev->pdev);
448 r100_enable_bm(rdev);
449 /* Check if GPU is idle */
450 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
451 dev_err(rdev->dev, "failed to reset GPU\n");
452 rdev->gpu_lockup = true;
453 ret = -1;
454 } else
455 dev_info(rdev->dev, "GPU reset succeed\n");
456 r100_mc_resume(rdev, &save);
457 return ret;
458 }
459
460 /*
461 * r300,r350,rv350,rv380 VRAM info
462 */
463 void r300_mc_init(struct radeon_device *rdev)
464 {
465 u64 base;
466 u32 tmp;
467
468 /* DDR for all card after R300 & IGP */
469 rdev->mc.vram_is_ddr = true;
470 tmp = RREG32(RADEON_MEM_CNTL);
471 tmp &= R300_MEM_NUM_CHANNELS_MASK;
472 switch (tmp) {
473 case 0: rdev->mc.vram_width = 64; break;
474 case 1: rdev->mc.vram_width = 128; break;
475 case 2: rdev->mc.vram_width = 256; break;
476 default: rdev->mc.vram_width = 128; break;
477 }
478 r100_vram_init_sizes(rdev);
479 base = rdev->mc.aper_base;
480 if (rdev->flags & RADEON_IS_IGP)
481 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
482 radeon_vram_location(rdev, &rdev->mc, base);
483 rdev->mc.gtt_base_align = 0;
484 if (!(rdev->flags & RADEON_IS_AGP))
485 radeon_gtt_location(rdev, &rdev->mc);
486 radeon_update_bandwidth_info(rdev);
487 }
488
489 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
490 {
491 uint32_t link_width_cntl, mask;
492
493 if (rdev->flags & RADEON_IS_IGP)
494 return;
495
496 if (!(rdev->flags & RADEON_IS_PCIE))
497 return;
498
499 /* FIXME wait for idle */
500
501 switch (lanes) {
502 case 0:
503 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
504 break;
505 case 1:
506 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
507 break;
508 case 2:
509 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
510 break;
511 case 4:
512 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
513 break;
514 case 8:
515 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
516 break;
517 case 12:
518 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
519 break;
520 case 16:
521 default:
522 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
523 break;
524 }
525
526 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
527
528 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
529 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
530 return;
531
532 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
533 RADEON_PCIE_LC_RECONFIG_NOW |
534 RADEON_PCIE_LC_RECONFIG_LATER |
535 RADEON_PCIE_LC_SHORT_RECONFIG_EN);
536 link_width_cntl |= mask;
537 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
538 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
539 RADEON_PCIE_LC_RECONFIG_NOW));
540
541 /* wait for lane set to complete */
542 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
543 while (link_width_cntl == 0xffffffff)
544 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
545
546 }
547
548 int rv370_get_pcie_lanes(struct radeon_device *rdev)
549 {
550 u32 link_width_cntl;
551
552 if (rdev->flags & RADEON_IS_IGP)
553 return 0;
554
555 if (!(rdev->flags & RADEON_IS_PCIE))
556 return 0;
557
558 /* FIXME wait for idle */
559
560 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
561
562 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
563 case RADEON_PCIE_LC_LINK_WIDTH_X0:
564 return 0;
565 case RADEON_PCIE_LC_LINK_WIDTH_X1:
566 return 1;
567 case RADEON_PCIE_LC_LINK_WIDTH_X2:
568 return 2;
569 case RADEON_PCIE_LC_LINK_WIDTH_X4:
570 return 4;
571 case RADEON_PCIE_LC_LINK_WIDTH_X8:
572 return 8;
573 case RADEON_PCIE_LC_LINK_WIDTH_X16:
574 default:
575 return 16;
576 }
577 }
578
579 #if defined(CONFIG_DEBUG_FS)
580 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
581 {
582 struct drm_info_node *node = (struct drm_info_node *) m->private;
583 struct drm_device *dev = node->minor->dev;
584 struct radeon_device *rdev = dev->dev_private;
585 uint32_t tmp;
586
587 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
588 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
589 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
590 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
591 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
592 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
593 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
594 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
595 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
596 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
597 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
598 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
599 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
600 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
601 return 0;
602 }
603
604 static struct drm_info_list rv370_pcie_gart_info_list[] = {
605 {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
606 };
607 #endif
608
609 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
610 {
611 #if defined(CONFIG_DEBUG_FS)
612 return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
613 #else
614 return 0;
615 #endif
616 }
617
618 static int r300_packet0_check(struct radeon_cs_parser *p,
619 struct radeon_cs_packet *pkt,
620 unsigned idx, unsigned reg)
621 {
622 struct radeon_cs_reloc *reloc;
623 struct r100_cs_track *track;
624 volatile uint32_t *ib;
625 uint32_t tmp, tile_flags = 0;
626 unsigned i;
627 int r;
628 u32 idx_value;
629
630 ib = p->ib->ptr;
631 track = (struct r100_cs_track *)p->track;
632 idx_value = radeon_get_ib_value(p, idx);
633
634 switch(reg) {
635 case AVIVO_D1MODE_VLINE_START_END:
636 case RADEON_CRTC_GUI_TRIG_VLINE:
637 r = r100_cs_packet_parse_vline(p);
638 if (r) {
639 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
640 idx, reg);
641 r100_cs_dump_packet(p, pkt);
642 return r;
643 }
644 break;
645 case RADEON_DST_PITCH_OFFSET:
646 case RADEON_SRC_PITCH_OFFSET:
647 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
648 if (r)
649 return r;
650 break;
651 case R300_RB3D_COLOROFFSET0:
652 case R300_RB3D_COLOROFFSET1:
653 case R300_RB3D_COLOROFFSET2:
654 case R300_RB3D_COLOROFFSET3:
655 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
656 r = r100_cs_packet_next_reloc(p, &reloc);
657 if (r) {
658 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
659 idx, reg);
660 r100_cs_dump_packet(p, pkt);
661 return r;
662 }
663 track->cb[i].robj = reloc->robj;
664 track->cb[i].offset = idx_value;
665 track->cb_dirty = true;
666 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
667 break;
668 case R300_ZB_DEPTHOFFSET:
669 r = r100_cs_packet_next_reloc(p, &reloc);
670 if (r) {
671 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
672 idx, reg);
673 r100_cs_dump_packet(p, pkt);
674 return r;
675 }
676 track->zb.robj = reloc->robj;
677 track->zb.offset = idx_value;
678 track->zb_dirty = true;
679 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
680 break;
681 case R300_TX_OFFSET_0:
682 case R300_TX_OFFSET_0+4:
683 case R300_TX_OFFSET_0+8:
684 case R300_TX_OFFSET_0+12:
685 case R300_TX_OFFSET_0+16:
686 case R300_TX_OFFSET_0+20:
687 case R300_TX_OFFSET_0+24:
688 case R300_TX_OFFSET_0+28:
689 case R300_TX_OFFSET_0+32:
690 case R300_TX_OFFSET_0+36:
691 case R300_TX_OFFSET_0+40:
692 case R300_TX_OFFSET_0+44:
693 case R300_TX_OFFSET_0+48:
694 case R300_TX_OFFSET_0+52:
695 case R300_TX_OFFSET_0+56:
696 case R300_TX_OFFSET_0+60:
697 i = (reg - R300_TX_OFFSET_0) >> 2;
698 r = r100_cs_packet_next_reloc(p, &reloc);
699 if (r) {
700 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
701 idx, reg);
702 r100_cs_dump_packet(p, pkt);
703 return r;
704 }
705
706 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
707 ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
708 ((idx_value & ~31) + (u32)reloc->lobj.gpu_offset);
709 } else {
710 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
711 tile_flags |= R300_TXO_MACRO_TILE;
712 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
713 tile_flags |= R300_TXO_MICRO_TILE;
714 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
715 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
716
717 tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
718 tmp |= tile_flags;
719 ib[idx] = tmp;
720 }
721 track->textures[i].robj = reloc->robj;
722 track->tex_dirty = true;
723 break;
724 /* Tracked registers */
725 case 0x2084:
726 /* VAP_VF_CNTL */
727 track->vap_vf_cntl = idx_value;
728 break;
729 case 0x20B4:
730 /* VAP_VTX_SIZE */
731 track->vtx_size = idx_value & 0x7F;
732 break;
733 case 0x2134:
734 /* VAP_VF_MAX_VTX_INDX */
735 track->max_indx = idx_value & 0x00FFFFFFUL;
736 break;
737 case 0x2088:
738 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
739 if (p->rdev->family < CHIP_RV515)
740 goto fail;
741 track->vap_alt_nverts = idx_value & 0xFFFFFF;
742 break;
743 case 0x43E4:
744 /* SC_SCISSOR1 */
745 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
746 if (p->rdev->family < CHIP_RV515) {
747 track->maxy -= 1440;
748 }
749 track->cb_dirty = true;
750 track->zb_dirty = true;
751 break;
752 case 0x4E00:
753 /* RB3D_CCTL */
754 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
755 p->rdev->cmask_filp != p->filp) {
756 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
757 return -EINVAL;
758 }
759 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
760 track->cb_dirty = true;
761 break;
762 case 0x4E38:
763 case 0x4E3C:
764 case 0x4E40:
765 case 0x4E44:
766 /* RB3D_COLORPITCH0 */
767 /* RB3D_COLORPITCH1 */
768 /* RB3D_COLORPITCH2 */
769 /* RB3D_COLORPITCH3 */
770 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
771 r = r100_cs_packet_next_reloc(p, &reloc);
772 if (r) {
773 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
774 idx, reg);
775 r100_cs_dump_packet(p, pkt);
776 return r;
777 }
778
779 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
780 tile_flags |= R300_COLOR_TILE_ENABLE;
781 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
782 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
783 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
784 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
785
786 tmp = idx_value & ~(0x7 << 16);
787 tmp |= tile_flags;
788 ib[idx] = tmp;
789 }
790 i = (reg - 0x4E38) >> 2;
791 track->cb[i].pitch = idx_value & 0x3FFE;
792 switch (((idx_value >> 21) & 0xF)) {
793 case 9:
794 case 11:
795 case 12:
796 track->cb[i].cpp = 1;
797 break;
798 case 3:
799 case 4:
800 case 13:
801 case 15:
802 track->cb[i].cpp = 2;
803 break;
804 case 5:
805 if (p->rdev->family < CHIP_RV515) {
806 DRM_ERROR("Invalid color buffer format (%d)!\n",
807 ((idx_value >> 21) & 0xF));
808 return -EINVAL;
809 }
810 /* Pass through. */
811 case 6:
812 track->cb[i].cpp = 4;
813 break;
814 case 10:
815 track->cb[i].cpp = 8;
816 break;
817 case 7:
818 track->cb[i].cpp = 16;
819 break;
820 default:
821 DRM_ERROR("Invalid color buffer format (%d) !\n",
822 ((idx_value >> 21) & 0xF));
823 return -EINVAL;
824 }
825 track->cb_dirty = true;
826 break;
827 case 0x4F00:
828 /* ZB_CNTL */
829 if (idx_value & 2) {
830 track->z_enabled = true;
831 } else {
832 track->z_enabled = false;
833 }
834 track->zb_dirty = true;
835 break;
836 case 0x4F10:
837 /* ZB_FORMAT */
838 switch ((idx_value & 0xF)) {
839 case 0:
840 case 1:
841 track->zb.cpp = 2;
842 break;
843 case 2:
844 track->zb.cpp = 4;
845 break;
846 default:
847 DRM_ERROR("Invalid z buffer format (%d) !\n",
848 (idx_value & 0xF));
849 return -EINVAL;
850 }
851 track->zb_dirty = true;
852 break;
853 case 0x4F24:
854 /* ZB_DEPTHPITCH */
855 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
856 r = r100_cs_packet_next_reloc(p, &reloc);
857 if (r) {
858 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
859 idx, reg);
860 r100_cs_dump_packet(p, pkt);
861 return r;
862 }
863
864 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
865 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
866 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
867 tile_flags |= R300_DEPTHMICROTILE_TILED;
868 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
869 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
870
871 tmp = idx_value & ~(0x7 << 16);
872 tmp |= tile_flags;
873 ib[idx] = tmp;
874 }
875 track->zb.pitch = idx_value & 0x3FFC;
876 track->zb_dirty = true;
877 break;
878 case 0x4104:
879 /* TX_ENABLE */
880 for (i = 0; i < 16; i++) {
881 bool enabled;
882
883 enabled = !!(idx_value & (1 << i));
884 track->textures[i].enabled = enabled;
885 }
886 track->tex_dirty = true;
887 break;
888 case 0x44C0:
889 case 0x44C4:
890 case 0x44C8:
891 case 0x44CC:
892 case 0x44D0:
893 case 0x44D4:
894 case 0x44D8:
895 case 0x44DC:
896 case 0x44E0:
897 case 0x44E4:
898 case 0x44E8:
899 case 0x44EC:
900 case 0x44F0:
901 case 0x44F4:
902 case 0x44F8:
903 case 0x44FC:
904 /* TX_FORMAT1_[0-15] */
905 i = (reg - 0x44C0) >> 2;
906 tmp = (idx_value >> 25) & 0x3;
907 track->textures[i].tex_coord_type = tmp;
908 switch ((idx_value & 0x1F)) {
909 case R300_TX_FORMAT_X8:
910 case R300_TX_FORMAT_Y4X4:
911 case R300_TX_FORMAT_Z3Y3X2:
912 track->textures[i].cpp = 1;
913 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
914 break;
915 case R300_TX_FORMAT_X16:
916 case R300_TX_FORMAT_FL_I16:
917 case R300_TX_FORMAT_Y8X8:
918 case R300_TX_FORMAT_Z5Y6X5:
919 case R300_TX_FORMAT_Z6Y5X5:
920 case R300_TX_FORMAT_W4Z4Y4X4:
921 case R300_TX_FORMAT_W1Z5Y5X5:
922 case R300_TX_FORMAT_D3DMFT_CxV8U8:
923 case R300_TX_FORMAT_B8G8_B8G8:
924 case R300_TX_FORMAT_G8R8_G8B8:
925 track->textures[i].cpp = 2;
926 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
927 break;
928 case R300_TX_FORMAT_Y16X16:
929 case R300_TX_FORMAT_FL_I16A16:
930 case R300_TX_FORMAT_Z11Y11X10:
931 case R300_TX_FORMAT_Z10Y11X11:
932 case R300_TX_FORMAT_W8Z8Y8X8:
933 case R300_TX_FORMAT_W2Z10Y10X10:
934 case 0x17:
935 case R300_TX_FORMAT_FL_I32:
936 case 0x1e:
937 track->textures[i].cpp = 4;
938 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
939 break;
940 case R300_TX_FORMAT_W16Z16Y16X16:
941 case R300_TX_FORMAT_FL_R16G16B16A16:
942 case R300_TX_FORMAT_FL_I32A32:
943 track->textures[i].cpp = 8;
944 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
945 break;
946 case R300_TX_FORMAT_FL_R32G32B32A32:
947 track->textures[i].cpp = 16;
948 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
949 break;
950 case R300_TX_FORMAT_DXT1:
951 track->textures[i].cpp = 1;
952 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
953 break;
954 case R300_TX_FORMAT_ATI2N:
955 if (p->rdev->family < CHIP_R420) {
956 DRM_ERROR("Invalid texture format %u\n",
957 (idx_value & 0x1F));
958 return -EINVAL;
959 }
960 /* The same rules apply as for DXT3/5. */
961 /* Pass through. */
962 case R300_TX_FORMAT_DXT3:
963 case R300_TX_FORMAT_DXT5:
964 track->textures[i].cpp = 1;
965 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
966 break;
967 default:
968 DRM_ERROR("Invalid texture format %u\n",
969 (idx_value & 0x1F));
970 return -EINVAL;
971 }
972 track->tex_dirty = true;
973 break;
974 case 0x4400:
975 case 0x4404:
976 case 0x4408:
977 case 0x440C:
978 case 0x4410:
979 case 0x4414:
980 case 0x4418:
981 case 0x441C:
982 case 0x4420:
983 case 0x4424:
984 case 0x4428:
985 case 0x442C:
986 case 0x4430:
987 case 0x4434:
988 case 0x4438:
989 case 0x443C:
990 /* TX_FILTER0_[0-15] */
991 i = (reg - 0x4400) >> 2;
992 tmp = idx_value & 0x7;
993 if (tmp == 2 || tmp == 4 || tmp == 6) {
994 track->textures[i].roundup_w = false;
995 }
996 tmp = (idx_value >> 3) & 0x7;
997 if (tmp == 2 || tmp == 4 || tmp == 6) {
998 track->textures[i].roundup_h = false;
999 }
1000 track->tex_dirty = true;
1001 break;
1002 case 0x4500:
1003 case 0x4504:
1004 case 0x4508:
1005 case 0x450C:
1006 case 0x4510:
1007 case 0x4514:
1008 case 0x4518:
1009 case 0x451C:
1010 case 0x4520:
1011 case 0x4524:
1012 case 0x4528:
1013 case 0x452C:
1014 case 0x4530:
1015 case 0x4534:
1016 case 0x4538:
1017 case 0x453C:
1018 /* TX_FORMAT2_[0-15] */
1019 i = (reg - 0x4500) >> 2;
1020 tmp = idx_value & 0x3FFF;
1021 track->textures[i].pitch = tmp + 1;
1022 if (p->rdev->family >= CHIP_RV515) {
1023 tmp = ((idx_value >> 15) & 1) << 11;
1024 track->textures[i].width_11 = tmp;
1025 tmp = ((idx_value >> 16) & 1) << 11;
1026 track->textures[i].height_11 = tmp;
1027
1028 /* ATI1N */
1029 if (idx_value & (1 << 14)) {
1030 /* The same rules apply as for DXT1. */
1031 track->textures[i].compress_format =
1032 R100_TRACK_COMP_DXT1;
1033 }
1034 } else if (idx_value & (1 << 14)) {
1035 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1036 return -EINVAL;
1037 }
1038 track->tex_dirty = true;
1039 break;
1040 case 0x4480:
1041 case 0x4484:
1042 case 0x4488:
1043 case 0x448C:
1044 case 0x4490:
1045 case 0x4494:
1046 case 0x4498:
1047 case 0x449C:
1048 case 0x44A0:
1049 case 0x44A4:
1050 case 0x44A8:
1051 case 0x44AC:
1052 case 0x44B0:
1053 case 0x44B4:
1054 case 0x44B8:
1055 case 0x44BC:
1056 /* TX_FORMAT0_[0-15] */
1057 i = (reg - 0x4480) >> 2;
1058 tmp = idx_value & 0x7FF;
1059 track->textures[i].width = tmp + 1;
1060 tmp = (idx_value >> 11) & 0x7FF;
1061 track->textures[i].height = tmp + 1;
1062 tmp = (idx_value >> 26) & 0xF;
1063 track->textures[i].num_levels = tmp;
1064 tmp = idx_value & (1 << 31);
1065 track->textures[i].use_pitch = !!tmp;
1066 tmp = (idx_value >> 22) & 0xF;
1067 track->textures[i].txdepth = tmp;
1068 track->tex_dirty = true;
1069 break;
1070 case R300_ZB_ZPASS_ADDR:
1071 r = r100_cs_packet_next_reloc(p, &reloc);
1072 if (r) {
1073 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1074 idx, reg);
1075 r100_cs_dump_packet(p, pkt);
1076 return r;
1077 }
1078 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1079 break;
1080 case 0x4e0c:
1081 /* RB3D_COLOR_CHANNEL_MASK */
1082 track->color_channel_mask = idx_value;
1083 track->cb_dirty = true;
1084 break;
1085 case 0x43a4:
1086 /* SC_HYPERZ_EN */
1087 /* r300c emits this register - we need to disable hyperz for it
1088 * without complaining */
1089 if (p->rdev->hyperz_filp != p->filp) {
1090 if (idx_value & 0x1)
1091 ib[idx] = idx_value & ~1;
1092 }
1093 break;
1094 case 0x4f1c:
1095 /* ZB_BW_CNTL */
1096 track->zb_cb_clear = !!(idx_value & (1 << 5));
1097 track->cb_dirty = true;
1098 track->zb_dirty = true;
1099 if (p->rdev->hyperz_filp != p->filp) {
1100 if (idx_value & (R300_HIZ_ENABLE |
1101 R300_RD_COMP_ENABLE |
1102 R300_WR_COMP_ENABLE |
1103 R300_FAST_FILL_ENABLE))
1104 goto fail;
1105 }
1106 break;
1107 case 0x4e04:
1108 /* RB3D_BLENDCNTL */
1109 track->blend_read_enable = !!(idx_value & (1 << 2));
1110 track->cb_dirty = true;
1111 break;
1112 case R300_RB3D_AARESOLVE_OFFSET:
1113 r = r100_cs_packet_next_reloc(p, &reloc);
1114 if (r) {
1115 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1116 idx, reg);
1117 r100_cs_dump_packet(p, pkt);
1118 return r;
1119 }
1120 track->aa.robj = reloc->robj;
1121 track->aa.offset = idx_value;
1122 track->aa_dirty = true;
1123 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1124 break;
1125 case R300_RB3D_AARESOLVE_PITCH:
1126 track->aa.pitch = idx_value & 0x3FFE;
1127 track->aa_dirty = true;
1128 break;
1129 case R300_RB3D_AARESOLVE_CTL:
1130 track->aaresolve = idx_value & 0x1;
1131 track->aa_dirty = true;
1132 break;
1133 case 0x4f30: /* ZB_MASK_OFFSET */
1134 case 0x4f34: /* ZB_ZMASK_PITCH */
1135 case 0x4f44: /* ZB_HIZ_OFFSET */
1136 case 0x4f54: /* ZB_HIZ_PITCH */
1137 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1138 goto fail;
1139 break;
1140 case 0x4028:
1141 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1142 goto fail;
1143 /* GB_Z_PEQ_CONFIG */
1144 if (p->rdev->family >= CHIP_RV350)
1145 break;
1146 goto fail;
1147 break;
1148 case 0x4be8:
1149 /* valid register only on RV530 */
1150 if (p->rdev->family == CHIP_RV530)
1151 break;
1152 /* fallthrough do not move */
1153 default:
1154 goto fail;
1155 }
1156 return 0;
1157 fail:
1158 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1159 reg, idx, idx_value);
1160 return -EINVAL;
1161 }
1162
1163 static int r300_packet3_check(struct radeon_cs_parser *p,
1164 struct radeon_cs_packet *pkt)
1165 {
1166 struct radeon_cs_reloc *reloc;
1167 struct r100_cs_track *track;
1168 volatile uint32_t *ib;
1169 unsigned idx;
1170 int r;
1171
1172 ib = p->ib->ptr;
1173 idx = pkt->idx + 1;
1174 track = (struct r100_cs_track *)p->track;
1175 switch(pkt->opcode) {
1176 case PACKET3_3D_LOAD_VBPNTR:
1177 r = r100_packet3_load_vbpntr(p, pkt, idx);
1178 if (r)
1179 return r;
1180 break;
1181 case PACKET3_INDX_BUFFER:
1182 r = r100_cs_packet_next_reloc(p, &reloc);
1183 if (r) {
1184 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1185 r100_cs_dump_packet(p, pkt);
1186 return r;
1187 }
1188 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
1189 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1190 if (r) {
1191 return r;
1192 }
1193 break;
1194 /* Draw packet */
1195 case PACKET3_3D_DRAW_IMMD:
1196 /* Number of dwords is vtx_size * (num_vertices - 1)
1197 * PRIM_WALK must be equal to 3 vertex data in embedded
1198 * in cmd stream */
1199 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1200 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1201 return -EINVAL;
1202 }
1203 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1204 track->immd_dwords = pkt->count - 1;
1205 r = r100_cs_track_check(p->rdev, track);
1206 if (r) {
1207 return r;
1208 }
1209 break;
1210 case PACKET3_3D_DRAW_IMMD_2:
1211 /* Number of dwords is vtx_size * (num_vertices - 1)
1212 * PRIM_WALK must be equal to 3 vertex data in embedded
1213 * in cmd stream */
1214 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1215 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1216 return -EINVAL;
1217 }
1218 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1219 track->immd_dwords = pkt->count;
1220 r = r100_cs_track_check(p->rdev, track);
1221 if (r) {
1222 return r;
1223 }
1224 break;
1225 case PACKET3_3D_DRAW_VBUF:
1226 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1227 r = r100_cs_track_check(p->rdev, track);
1228 if (r) {
1229 return r;
1230 }
1231 break;
1232 case PACKET3_3D_DRAW_VBUF_2:
1233 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1234 r = r100_cs_track_check(p->rdev, track);
1235 if (r) {
1236 return r;
1237 }
1238 break;
1239 case PACKET3_3D_DRAW_INDX:
1240 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1241 r = r100_cs_track_check(p->rdev, track);
1242 if (r) {
1243 return r;
1244 }
1245 break;
1246 case PACKET3_3D_DRAW_INDX_2:
1247 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1248 r = r100_cs_track_check(p->rdev, track);
1249 if (r) {
1250 return r;
1251 }
1252 break;
1253 case PACKET3_3D_CLEAR_HIZ:
1254 case PACKET3_3D_CLEAR_ZMASK:
1255 if (p->rdev->hyperz_filp != p->filp)
1256 return -EINVAL;
1257 break;
1258 case PACKET3_3D_CLEAR_CMASK:
1259 if (p->rdev->cmask_filp != p->filp)
1260 return -EINVAL;
1261 break;
1262 case PACKET3_NOP:
1263 break;
1264 default:
1265 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1266 return -EINVAL;
1267 }
1268 return 0;
1269 }
1270
1271 int r300_cs_parse(struct radeon_cs_parser *p)
1272 {
1273 struct radeon_cs_packet pkt;
1274 struct r100_cs_track *track;
1275 int r;
1276
1277 track = kzalloc(sizeof(*track), GFP_KERNEL);
1278 if (track == NULL)
1279 return -ENOMEM;
1280 r100_cs_track_clear(p->rdev, track);
1281 p->track = track;
1282 do {
1283 r = r100_cs_packet_parse(p, &pkt, p->idx);
1284 if (r) {
1285 return r;
1286 }
1287 p->idx += pkt.count + 2;
1288 switch (pkt.type) {
1289 case PACKET_TYPE0:
1290 r = r100_cs_parse_packet0(p, &pkt,
1291 p->rdev->config.r300.reg_safe_bm,
1292 p->rdev->config.r300.reg_safe_bm_size,
1293 &r300_packet0_check);
1294 break;
1295 case PACKET_TYPE2:
1296 break;
1297 case PACKET_TYPE3:
1298 r = r300_packet3_check(p, &pkt);
1299 break;
1300 default:
1301 DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1302 return -EINVAL;
1303 }
1304 if (r) {
1305 return r;
1306 }
1307 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1308 return 0;
1309 }
1310
1311 void r300_set_reg_safe(struct radeon_device *rdev)
1312 {
1313 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1314 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1315 }
1316
1317 void r300_mc_program(struct radeon_device *rdev)
1318 {
1319 struct r100_mc_save save;
1320 int r;
1321
1322 r = r100_debugfs_mc_info_init(rdev);
1323 if (r) {
1324 dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1325 }
1326
1327 /* Stops all mc clients */
1328 r100_mc_stop(rdev, &save);
1329 if (rdev->flags & RADEON_IS_AGP) {
1330 WREG32(R_00014C_MC_AGP_LOCATION,
1331 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1332 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1333 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1334 WREG32(R_00015C_AGP_BASE_2,
1335 upper_32_bits(rdev->mc.agp_base) & 0xff);
1336 } else {
1337 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1338 WREG32(R_000170_AGP_BASE, 0);
1339 WREG32(R_00015C_AGP_BASE_2, 0);
1340 }
1341 /* Wait for mc idle */
1342 if (r300_mc_wait_for_idle(rdev))
1343 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1344 /* Program MC, should be a 32bits limited address space */
1345 WREG32(R_000148_MC_FB_LOCATION,
1346 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1347 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1348 r100_mc_resume(rdev, &save);
1349 }
1350
1351 void r300_clock_startup(struct radeon_device *rdev)
1352 {
1353 u32 tmp;
1354
1355 if (radeon_dynclks != -1 && radeon_dynclks)
1356 radeon_legacy_set_clock_gating(rdev, 1);
1357 /* We need to force on some of the block */
1358 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1359 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1360 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1361 tmp |= S_00000D_FORCE_VAP(1);
1362 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1363 }
1364
1365 static int r300_startup(struct radeon_device *rdev)
1366 {
1367 int r;
1368
1369 /* set common regs */
1370 r100_set_common_regs(rdev);
1371 /* program mc */
1372 r300_mc_program(rdev);
1373 /* Resume clock */
1374 r300_clock_startup(rdev);
1375 /* Initialize GPU configuration (# pipes, ...) */
1376 r300_gpu_init(rdev);
1377 /* Initialize GART (initialize after TTM so we can allocate
1378 * memory through TTM but finalize after TTM) */
1379 if (rdev->flags & RADEON_IS_PCIE) {
1380 r = rv370_pcie_gart_enable(rdev);
1381 if (r)
1382 return r;
1383 }
1384
1385 if (rdev->family == CHIP_R300 ||
1386 rdev->family == CHIP_R350 ||
1387 rdev->family == CHIP_RV350)
1388 r100_enable_bm(rdev);
1389
1390 if (rdev->flags & RADEON_IS_PCI) {
1391 r = r100_pci_gart_enable(rdev);
1392 if (r)
1393 return r;
1394 }
1395
1396 /* allocate wb buffer */
1397 r = radeon_wb_init(rdev);
1398 if (r)
1399 return r;
1400
1401 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1402 if (r) {
1403 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1404 return r;
1405 }
1406
1407 /* Enable IRQ */
1408 r100_irq_set(rdev);
1409 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1410 /* 1M ring buffer */
1411 r = r100_cp_init(rdev, 1024 * 1024);
1412 if (r) {
1413 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1414 return r;
1415 }
1416
1417 r = radeon_ib_pool_start(rdev);
1418 if (r)
1419 return r;
1420
1421 r = radeon_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1422 if (r) {
1423 dev_err(rdev->dev, "failed testing IB (%d).\n", r);
1424 rdev->accel_working = false;
1425 return r;
1426 }
1427
1428 return 0;
1429 }
1430
1431 int r300_resume(struct radeon_device *rdev)
1432 {
1433 /* Make sur GART are not working */
1434 if (rdev->flags & RADEON_IS_PCIE)
1435 rv370_pcie_gart_disable(rdev);
1436 if (rdev->flags & RADEON_IS_PCI)
1437 r100_pci_gart_disable(rdev);
1438 /* Resume clock before doing reset */
1439 r300_clock_startup(rdev);
1440 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1441 if (radeon_asic_reset(rdev)) {
1442 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1443 RREG32(R_000E40_RBBM_STATUS),
1444 RREG32(R_0007C0_CP_STAT));
1445 }
1446 /* post */
1447 radeon_combios_asic_init(rdev->ddev);
1448 /* Resume clock after posting */
1449 r300_clock_startup(rdev);
1450 /* Initialize surface registers */
1451 radeon_surface_init(rdev);
1452
1453 rdev->accel_working = true;
1454 return r300_startup(rdev);
1455 }
1456
1457 int r300_suspend(struct radeon_device *rdev)
1458 {
1459 radeon_ib_pool_suspend(rdev);
1460 r100_cp_disable(rdev);
1461 radeon_wb_disable(rdev);
1462 r100_irq_disable(rdev);
1463 if (rdev->flags & RADEON_IS_PCIE)
1464 rv370_pcie_gart_disable(rdev);
1465 if (rdev->flags & RADEON_IS_PCI)
1466 r100_pci_gart_disable(rdev);
1467 return 0;
1468 }
1469
1470 void r300_fini(struct radeon_device *rdev)
1471 {
1472 r100_cp_fini(rdev);
1473 radeon_wb_fini(rdev);
1474 r100_ib_fini(rdev);
1475 radeon_gem_fini(rdev);
1476 if (rdev->flags & RADEON_IS_PCIE)
1477 rv370_pcie_gart_fini(rdev);
1478 if (rdev->flags & RADEON_IS_PCI)
1479 r100_pci_gart_fini(rdev);
1480 radeon_agp_fini(rdev);
1481 radeon_irq_kms_fini(rdev);
1482 radeon_fence_driver_fini(rdev);
1483 radeon_bo_fini(rdev);
1484 radeon_atombios_fini(rdev);
1485 kfree(rdev->bios);
1486 rdev->bios = NULL;
1487 }
1488
1489 int r300_init(struct radeon_device *rdev)
1490 {
1491 int r;
1492
1493 /* Disable VGA */
1494 r100_vga_render_disable(rdev);
1495 /* Initialize scratch registers */
1496 radeon_scratch_init(rdev);
1497 /* Initialize surface registers */
1498 radeon_surface_init(rdev);
1499 /* TODO: disable VGA need to use VGA request */
1500 /* restore some register to sane defaults */
1501 r100_restore_sanity(rdev);
1502 /* BIOS*/
1503 if (!radeon_get_bios(rdev)) {
1504 if (ASIC_IS_AVIVO(rdev))
1505 return -EINVAL;
1506 }
1507 if (rdev->is_atom_bios) {
1508 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1509 return -EINVAL;
1510 } else {
1511 r = radeon_combios_init(rdev);
1512 if (r)
1513 return r;
1514 }
1515 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1516 if (radeon_asic_reset(rdev)) {
1517 dev_warn(rdev->dev,
1518 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1519 RREG32(R_000E40_RBBM_STATUS),
1520 RREG32(R_0007C0_CP_STAT));
1521 }
1522 /* check if cards are posted or not */
1523 if (radeon_boot_test_post_card(rdev) == false)
1524 return -EINVAL;
1525 /* Set asic errata */
1526 r300_errata(rdev);
1527 /* Initialize clocks */
1528 radeon_get_clock_info(rdev->ddev);
1529 /* initialize AGP */
1530 if (rdev->flags & RADEON_IS_AGP) {
1531 r = radeon_agp_init(rdev);
1532 if (r) {
1533 radeon_agp_disable(rdev);
1534 }
1535 }
1536 /* initialize memory controller */
1537 r300_mc_init(rdev);
1538 /* Fence driver */
1539 r = radeon_fence_driver_init(rdev);
1540 if (r)
1541 return r;
1542 r = radeon_irq_kms_init(rdev);
1543 if (r)
1544 return r;
1545 /* Memory manager */
1546 r = radeon_bo_init(rdev);
1547 if (r)
1548 return r;
1549 if (rdev->flags & RADEON_IS_PCIE) {
1550 r = rv370_pcie_gart_init(rdev);
1551 if (r)
1552 return r;
1553 }
1554 if (rdev->flags & RADEON_IS_PCI) {
1555 r = r100_pci_gart_init(rdev);
1556 if (r)
1557 return r;
1558 }
1559 r300_set_reg_safe(rdev);
1560
1561 r = radeon_ib_pool_init(rdev);
1562 rdev->accel_working = true;
1563 if (r) {
1564 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1565 rdev->accel_working = false;
1566 }
1567
1568 r = r300_startup(rdev);
1569 if (r) {
1570 /* Somethings want wront with the accel init stop accel */
1571 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1572 r100_cp_fini(rdev);
1573 radeon_wb_fini(rdev);
1574 r100_ib_fini(rdev);
1575 radeon_irq_kms_fini(rdev);
1576 if (rdev->flags & RADEON_IS_PCIE)
1577 rv370_pcie_gart_fini(rdev);
1578 if (rdev->flags & RADEON_IS_PCI)
1579 r100_pci_gart_fini(rdev);
1580 radeon_agp_fini(rdev);
1581 rdev->accel_working = false;
1582 }
1583 return 0;
1584 }
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