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
29 #include <linux/pci.h>
30 #include <linux/seq_file.h>
31 #include <linux/slab.h>
32
33 #include <drm/drm.h>
34 #include <drm/drm_device.h>
35 #include <drm/drm_file.h>
36 #include <drm/radeon_drm.h>
37
38 #include "r100_track.h"
39 #include "r300_reg_safe.h"
40 #include "r300d.h"
41 #include "radeon.h"
42 #include "radeon_asic.h"
43 #include "radeon_reg.h"
44 #include "rv350d.h"
45
46 /* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
47 *
48 * GPU Errata:
49 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
50 * using MMIO to flush host path read cache, this lead to HARDLOCKUP.
51 * However, scheduling such write to the ring seems harmless, i suspect
52 * the CP read collide with the flush somehow, or maybe the MC, hard to
53 * tell. (Jerome Glisse)
54 */
55
56 /*
57 * Indirect registers accessor
58 */
rv370_pcie_rreg(struct radeon_device * rdev,uint32_t reg)59 uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
60 {
61 unsigned long flags;
62 uint32_t r;
63
64 spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
65 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
66 r = RREG32(RADEON_PCIE_DATA);
67 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
68 return r;
69 }
70
rv370_pcie_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v)71 void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
72 {
73 unsigned long flags;
74
75 spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
76 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
77 WREG32(RADEON_PCIE_DATA, (v));
78 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
79 }
80
81 /*
82 * rv370,rv380 PCIE GART
83 */
84 static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
85
rv370_pcie_gart_tlb_flush(struct radeon_device * rdev)86 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
87 {
88 uint32_t tmp;
89 int i;
90
91 /* Workaround HW bug do flush 2 times */
92 for (i = 0; i < 2; i++) {
93 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
94 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
95 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
96 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
97 }
98 mb();
99 }
100
101 #define R300_PTE_UNSNOOPED (1 << 0)
102 #define R300_PTE_WRITEABLE (1 << 2)
103 #define R300_PTE_READABLE (1 << 3)
104
rv370_pcie_gart_get_page_entry(uint64_t addr,uint32_t flags)105 uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
106 {
107 addr = (lower_32_bits(addr) >> 8) |
108 ((upper_32_bits(addr) & 0xff) << 24);
109 if (flags & RADEON_GART_PAGE_READ)
110 addr |= R300_PTE_READABLE;
111 if (flags & RADEON_GART_PAGE_WRITE)
112 addr |= R300_PTE_WRITEABLE;
113 if (!(flags & RADEON_GART_PAGE_SNOOP))
114 addr |= R300_PTE_UNSNOOPED;
115 return addr;
116 }
117
rv370_pcie_gart_set_page(struct radeon_device * rdev,unsigned i,uint64_t entry)118 void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
119 uint64_t entry)
120 {
121 void __iomem *ptr = rdev->gart.ptr;
122
123 /* on x86 we want this to be CPU endian, on powerpc
124 * on powerpc without HW swappers, it'll get swapped on way
125 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
126 writel(entry, ((void __iomem *)ptr) + (i * 4));
127 }
128
rv370_pcie_gart_init(struct radeon_device * rdev)129 int rv370_pcie_gart_init(struct radeon_device *rdev)
130 {
131 int r;
132
133 if (rdev->gart.robj) {
134 WARN(1, "RV370 PCIE GART already initialized\n");
135 return 0;
136 }
137 /* Initialize common gart structure */
138 r = radeon_gart_init(rdev);
139 if (r)
140 return r;
141 rv370_debugfs_pcie_gart_info_init(rdev);
142
143 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
144 rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
145 rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
146 rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
147 return radeon_gart_table_vram_alloc(rdev);
148 }
149
rv370_pcie_gart_enable(struct radeon_device * rdev)150 int rv370_pcie_gart_enable(struct radeon_device *rdev)
151 {
152 uint32_t table_addr;
153 uint32_t tmp;
154 int r;
155
156 if (rdev->gart.robj == NULL) {
157 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
158 return -EINVAL;
159 }
160 r = radeon_gart_table_vram_pin(rdev);
161 if (r)
162 return r;
163 /* discard memory request outside of configured range */
164 tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
165 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
166 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
167 tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
168 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
169 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
170 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
171 table_addr = rdev->gart.table_addr;
172 WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
173 /* FIXME: setup default page */
174 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
175 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
176 /* Clear error */
177 WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
178 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
179 tmp |= RADEON_PCIE_TX_GART_EN;
180 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
181 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
182 rv370_pcie_gart_tlb_flush(rdev);
183 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
184 (unsigned)(rdev->mc.gtt_size >> 20),
185 (unsigned long long)table_addr);
186 rdev->gart.ready = true;
187 return 0;
188 }
189
rv370_pcie_gart_disable(struct radeon_device * rdev)190 void rv370_pcie_gart_disable(struct radeon_device *rdev)
191 {
192 u32 tmp;
193
194 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
195 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
196 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
197 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
198 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
199 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
200 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
201 radeon_gart_table_vram_unpin(rdev);
202 }
203
rv370_pcie_gart_fini(struct radeon_device * rdev)204 void rv370_pcie_gart_fini(struct radeon_device *rdev)
205 {
206 radeon_gart_fini(rdev);
207 rv370_pcie_gart_disable(rdev);
208 radeon_gart_table_vram_free(rdev);
209 }
210
r300_fence_ring_emit(struct radeon_device * rdev,struct radeon_fence * fence)211 void r300_fence_ring_emit(struct radeon_device *rdev,
212 struct radeon_fence *fence)
213 {
214 struct radeon_ring *ring = &rdev->ring[fence->ring];
215
216 /* Who ever call radeon_fence_emit should call ring_lock and ask
217 * for enough space (today caller are ib schedule and buffer move) */
218 /* Write SC register so SC & US assert idle */
219 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
220 radeon_ring_write(ring, 0);
221 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
222 radeon_ring_write(ring, 0);
223 /* Flush 3D cache */
224 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
225 radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
226 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
227 radeon_ring_write(ring, R300_ZC_FLUSH);
228 /* Wait until IDLE & CLEAN */
229 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
230 radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
231 RADEON_WAIT_2D_IDLECLEAN |
232 RADEON_WAIT_DMA_GUI_IDLE));
233 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
234 radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
235 RADEON_HDP_READ_BUFFER_INVALIDATE);
236 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
237 radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
238 /* Emit fence sequence & fire IRQ */
239 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
240 radeon_ring_write(ring, fence->seq);
241 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
242 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
243 }
244
r300_ring_start(struct radeon_device * rdev,struct radeon_ring * ring)245 void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
246 {
247 unsigned gb_tile_config;
248 int r;
249
250 /* Sub pixel 1/12 so we can have 4K rendering according to doc */
251 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
252 switch (rdev->num_gb_pipes) {
253 case 2:
254 gb_tile_config |= R300_PIPE_COUNT_R300;
255 break;
256 case 3:
257 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
258 break;
259 case 4:
260 gb_tile_config |= R300_PIPE_COUNT_R420;
261 break;
262 case 1:
263 default:
264 gb_tile_config |= R300_PIPE_COUNT_RV350;
265 break;
266 }
267
268 r = radeon_ring_lock(rdev, ring, 64);
269 if (r) {
270 return;
271 }
272 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
273 radeon_ring_write(ring,
274 RADEON_ISYNC_ANY2D_IDLE3D |
275 RADEON_ISYNC_ANY3D_IDLE2D |
276 RADEON_ISYNC_WAIT_IDLEGUI |
277 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
278 radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
279 radeon_ring_write(ring, gb_tile_config);
280 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
281 radeon_ring_write(ring,
282 RADEON_WAIT_2D_IDLECLEAN |
283 RADEON_WAIT_3D_IDLECLEAN);
284 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
285 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
286 radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
287 radeon_ring_write(ring, 0);
288 radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
289 radeon_ring_write(ring, 0);
290 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
291 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
292 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
293 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
294 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
295 radeon_ring_write(ring,
296 RADEON_WAIT_2D_IDLECLEAN |
297 RADEON_WAIT_3D_IDLECLEAN);
298 radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
299 radeon_ring_write(ring, 0);
300 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
301 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
302 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
303 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
304 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
305 radeon_ring_write(ring,
306 ((6 << R300_MS_X0_SHIFT) |
307 (6 << R300_MS_Y0_SHIFT) |
308 (6 << R300_MS_X1_SHIFT) |
309 (6 << R300_MS_Y1_SHIFT) |
310 (6 << R300_MS_X2_SHIFT) |
311 (6 << R300_MS_Y2_SHIFT) |
312 (6 << R300_MSBD0_Y_SHIFT) |
313 (6 << R300_MSBD0_X_SHIFT)));
314 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
315 radeon_ring_write(ring,
316 ((6 << R300_MS_X3_SHIFT) |
317 (6 << R300_MS_Y3_SHIFT) |
318 (6 << R300_MS_X4_SHIFT) |
319 (6 << R300_MS_Y4_SHIFT) |
320 (6 << R300_MS_X5_SHIFT) |
321 (6 << R300_MS_Y5_SHIFT) |
322 (6 << R300_MSBD1_SHIFT)));
323 radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
324 radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
325 radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
326 radeon_ring_write(ring,
327 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
328 radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
329 radeon_ring_write(ring,
330 R300_GEOMETRY_ROUND_NEAREST |
331 R300_COLOR_ROUND_NEAREST);
332 radeon_ring_unlock_commit(rdev, ring, false);
333 }
334
r300_errata(struct radeon_device * rdev)335 static void r300_errata(struct radeon_device *rdev)
336 {
337 rdev->pll_errata = 0;
338
339 if (rdev->family == CHIP_R300 &&
340 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
341 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
342 }
343 }
344
r300_mc_wait_for_idle(struct radeon_device * rdev)345 int r300_mc_wait_for_idle(struct radeon_device *rdev)
346 {
347 unsigned i;
348 uint32_t tmp;
349
350 for (i = 0; i < rdev->usec_timeout; i++) {
351 /* read MC_STATUS */
352 tmp = RREG32(RADEON_MC_STATUS);
353 if (tmp & R300_MC_IDLE) {
354 return 0;
355 }
356 udelay(1);
357 }
358 return -1;
359 }
360
r300_gpu_init(struct radeon_device * rdev)361 static void r300_gpu_init(struct radeon_device *rdev)
362 {
363 uint32_t gb_tile_config, tmp;
364
365 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
366 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
367 /* r300,r350 */
368 rdev->num_gb_pipes = 2;
369 } else {
370 /* rv350,rv370,rv380,r300 AD, r350 AH */
371 rdev->num_gb_pipes = 1;
372 }
373 rdev->num_z_pipes = 1;
374 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
375 switch (rdev->num_gb_pipes) {
376 case 2:
377 gb_tile_config |= R300_PIPE_COUNT_R300;
378 break;
379 case 3:
380 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
381 break;
382 case 4:
383 gb_tile_config |= R300_PIPE_COUNT_R420;
384 break;
385 default:
386 case 1:
387 gb_tile_config |= R300_PIPE_COUNT_RV350;
388 break;
389 }
390 WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
391
392 if (r100_gui_wait_for_idle(rdev)) {
393 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
394 }
395
396 tmp = RREG32(R300_DST_PIPE_CONFIG);
397 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
398
399 WREG32(R300_RB2D_DSTCACHE_MODE,
400 R300_DC_AUTOFLUSH_ENABLE |
401 R300_DC_DC_DISABLE_IGNORE_PE);
402
403 if (r100_gui_wait_for_idle(rdev)) {
404 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
405 }
406 if (r300_mc_wait_for_idle(rdev)) {
407 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
408 }
409 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
410 rdev->num_gb_pipes, rdev->num_z_pipes);
411 }
412
r300_asic_reset(struct radeon_device * rdev,bool hard)413 int r300_asic_reset(struct radeon_device *rdev, bool hard)
414 {
415 struct r100_mc_save save;
416 u32 status, tmp;
417 int ret = 0;
418
419 status = RREG32(R_000E40_RBBM_STATUS);
420 if (!G_000E40_GUI_ACTIVE(status)) {
421 return 0;
422 }
423 r100_mc_stop(rdev, &save);
424 status = RREG32(R_000E40_RBBM_STATUS);
425 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
426 /* stop CP */
427 WREG32(RADEON_CP_CSQ_CNTL, 0);
428 tmp = RREG32(RADEON_CP_RB_CNTL);
429 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
430 WREG32(RADEON_CP_RB_RPTR_WR, 0);
431 WREG32(RADEON_CP_RB_WPTR, 0);
432 WREG32(RADEON_CP_RB_CNTL, tmp);
433 /* save PCI state */
434 pci_save_state(rdev->pdev);
435 /* disable bus mastering */
436 r100_bm_disable(rdev);
437 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
438 S_0000F0_SOFT_RESET_GA(1));
439 RREG32(R_0000F0_RBBM_SOFT_RESET);
440 mdelay(500);
441 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
442 mdelay(1);
443 status = RREG32(R_000E40_RBBM_STATUS);
444 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
445 /* resetting the CP seems to be problematic sometimes it end up
446 * hard locking the computer, but it's necessary for successful
447 * reset more test & playing is needed on R3XX/R4XX to find a
448 * reliable (if any solution)
449 */
450 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
451 RREG32(R_0000F0_RBBM_SOFT_RESET);
452 mdelay(500);
453 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
454 mdelay(1);
455 status = RREG32(R_000E40_RBBM_STATUS);
456 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
457 /* restore PCI & busmastering */
458 pci_restore_state(rdev->pdev);
459 r100_enable_bm(rdev);
460 /* Check if GPU is idle */
461 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
462 dev_err(rdev->dev, "failed to reset GPU\n");
463 ret = -1;
464 } else
465 dev_info(rdev->dev, "GPU reset succeed\n");
466 r100_mc_resume(rdev, &save);
467 return ret;
468 }
469
470 /*
471 * r300,r350,rv350,rv380 VRAM info
472 */
r300_mc_init(struct radeon_device * rdev)473 void r300_mc_init(struct radeon_device *rdev)
474 {
475 u64 base;
476 u32 tmp;
477
478 /* DDR for all card after R300 & IGP */
479 rdev->mc.vram_is_ddr = true;
480 tmp = RREG32(RADEON_MEM_CNTL);
481 tmp &= R300_MEM_NUM_CHANNELS_MASK;
482 switch (tmp) {
483 case 0: rdev->mc.vram_width = 64; break;
484 case 1: rdev->mc.vram_width = 128; break;
485 case 2: rdev->mc.vram_width = 256; break;
486 default: rdev->mc.vram_width = 128; break;
487 }
488 r100_vram_init_sizes(rdev);
489 base = rdev->mc.aper_base;
490 if (rdev->flags & RADEON_IS_IGP)
491 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
492 radeon_vram_location(rdev, &rdev->mc, base);
493 rdev->mc.gtt_base_align = 0;
494 if (!(rdev->flags & RADEON_IS_AGP))
495 radeon_gtt_location(rdev, &rdev->mc);
496 radeon_update_bandwidth_info(rdev);
497 }
498
rv370_set_pcie_lanes(struct radeon_device * rdev,int lanes)499 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
500 {
501 uint32_t link_width_cntl, mask;
502
503 if (rdev->flags & RADEON_IS_IGP)
504 return;
505
506 if (!(rdev->flags & RADEON_IS_PCIE))
507 return;
508
509 /* FIXME wait for idle */
510
511 switch (lanes) {
512 case 0:
513 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
514 break;
515 case 1:
516 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
517 break;
518 case 2:
519 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
520 break;
521 case 4:
522 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
523 break;
524 case 8:
525 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
526 break;
527 case 12:
528 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
529 break;
530 case 16:
531 default:
532 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
533 break;
534 }
535
536 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
537
538 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
539 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
540 return;
541
542 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
543 RADEON_PCIE_LC_RECONFIG_NOW |
544 RADEON_PCIE_LC_RECONFIG_LATER |
545 RADEON_PCIE_LC_SHORT_RECONFIG_EN);
546 link_width_cntl |= mask;
547 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
548 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
549 RADEON_PCIE_LC_RECONFIG_NOW));
550
551 /* wait for lane set to complete */
552 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
553 while (link_width_cntl == 0xffffffff)
554 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
555
556 }
557
rv370_get_pcie_lanes(struct radeon_device * rdev)558 int rv370_get_pcie_lanes(struct radeon_device *rdev)
559 {
560 u32 link_width_cntl;
561
562 if (rdev->flags & RADEON_IS_IGP)
563 return 0;
564
565 if (!(rdev->flags & RADEON_IS_PCIE))
566 return 0;
567
568 /* FIXME wait for idle */
569
570 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
571
572 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
573 case RADEON_PCIE_LC_LINK_WIDTH_X0:
574 return 0;
575 case RADEON_PCIE_LC_LINK_WIDTH_X1:
576 return 1;
577 case RADEON_PCIE_LC_LINK_WIDTH_X2:
578 return 2;
579 case RADEON_PCIE_LC_LINK_WIDTH_X4:
580 return 4;
581 case RADEON_PCIE_LC_LINK_WIDTH_X8:
582 return 8;
583 case RADEON_PCIE_LC_LINK_WIDTH_X16:
584 default:
585 return 16;
586 }
587 }
588
589 #if defined(CONFIG_DEBUG_FS)
rv370_debugfs_pcie_gart_info_show(struct seq_file * m,void * unused)590 static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
591 {
592 struct radeon_device *rdev = m->private;
593 uint32_t tmp;
594
595 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
596 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
597 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
598 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
599 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
600 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
601 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
602 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
603 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
604 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
605 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
606 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
607 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
608 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
609 return 0;
610 }
611
612 DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
613 #endif
614
rv370_debugfs_pcie_gart_info_init(struct radeon_device * rdev)615 static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
616 {
617 #if defined(CONFIG_DEBUG_FS)
618 struct dentry *root = rdev->ddev->primary->debugfs_root;
619
620 debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
621 &rv370_debugfs_pcie_gart_info_fops);
622 #endif
623 }
624
r300_packet0_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,unsigned idx,unsigned reg)625 static int r300_packet0_check(struct radeon_cs_parser *p,
626 struct radeon_cs_packet *pkt,
627 unsigned idx, unsigned reg)
628 {
629 struct radeon_bo_list *reloc;
630 struct r100_cs_track *track;
631 volatile uint32_t *ib;
632 uint32_t tmp, tile_flags = 0;
633 unsigned i;
634 int r;
635 u32 idx_value;
636
637 ib = p->ib.ptr;
638 track = (struct r100_cs_track *)p->track;
639 idx_value = radeon_get_ib_value(p, idx);
640
641 switch (reg) {
642 case AVIVO_D1MODE_VLINE_START_END:
643 case RADEON_CRTC_GUI_TRIG_VLINE:
644 r = r100_cs_packet_parse_vline(p);
645 if (r) {
646 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
647 idx, reg);
648 radeon_cs_dump_packet(p, pkt);
649 return r;
650 }
651 break;
652 case RADEON_DST_PITCH_OFFSET:
653 case RADEON_SRC_PITCH_OFFSET:
654 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
655 if (r)
656 return r;
657 break;
658 case R300_RB3D_COLOROFFSET0:
659 case R300_RB3D_COLOROFFSET1:
660 case R300_RB3D_COLOROFFSET2:
661 case R300_RB3D_COLOROFFSET3:
662 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
663 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
664 if (r) {
665 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
666 idx, reg);
667 radeon_cs_dump_packet(p, pkt);
668 return r;
669 }
670 track->cb[i].robj = reloc->robj;
671 track->cb[i].offset = idx_value;
672 track->cb_dirty = true;
673 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
674 break;
675 case R300_ZB_DEPTHOFFSET:
676 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
677 if (r) {
678 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
679 idx, reg);
680 radeon_cs_dump_packet(p, pkt);
681 return r;
682 }
683 track->zb.robj = reloc->robj;
684 track->zb.offset = idx_value;
685 track->zb_dirty = true;
686 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
687 break;
688 case R300_TX_OFFSET_0:
689 case R300_TX_OFFSET_0+4:
690 case R300_TX_OFFSET_0+8:
691 case R300_TX_OFFSET_0+12:
692 case R300_TX_OFFSET_0+16:
693 case R300_TX_OFFSET_0+20:
694 case R300_TX_OFFSET_0+24:
695 case R300_TX_OFFSET_0+28:
696 case R300_TX_OFFSET_0+32:
697 case R300_TX_OFFSET_0+36:
698 case R300_TX_OFFSET_0+40:
699 case R300_TX_OFFSET_0+44:
700 case R300_TX_OFFSET_0+48:
701 case R300_TX_OFFSET_0+52:
702 case R300_TX_OFFSET_0+56:
703 case R300_TX_OFFSET_0+60:
704 i = (reg - R300_TX_OFFSET_0) >> 2;
705 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
706 if (r) {
707 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
708 idx, reg);
709 radeon_cs_dump_packet(p, pkt);
710 return r;
711 }
712
713 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
714 ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
715 ((idx_value & ~31) + (u32)reloc->gpu_offset);
716 } else {
717 if (reloc->tiling_flags & RADEON_TILING_MACRO)
718 tile_flags |= R300_TXO_MACRO_TILE;
719 if (reloc->tiling_flags & RADEON_TILING_MICRO)
720 tile_flags |= R300_TXO_MICRO_TILE;
721 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
722 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
723
724 tmp = idx_value + ((u32)reloc->gpu_offset);
725 tmp |= tile_flags;
726 ib[idx] = tmp;
727 }
728 track->textures[i].robj = reloc->robj;
729 track->tex_dirty = true;
730 break;
731 /* Tracked registers */
732 case 0x2084:
733 /* VAP_VF_CNTL */
734 track->vap_vf_cntl = idx_value;
735 break;
736 case 0x20B4:
737 /* VAP_VTX_SIZE */
738 track->vtx_size = idx_value & 0x7F;
739 break;
740 case 0x2134:
741 /* VAP_VF_MAX_VTX_INDX */
742 track->max_indx = idx_value & 0x00FFFFFFUL;
743 break;
744 case 0x2088:
745 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
746 if (p->rdev->family < CHIP_RV515)
747 goto fail;
748 track->vap_alt_nverts = idx_value & 0xFFFFFF;
749 break;
750 case 0x43E4:
751 /* SC_SCISSOR1 */
752 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
753 if (p->rdev->family < CHIP_RV515) {
754 track->maxy -= 1440;
755 }
756 track->cb_dirty = true;
757 track->zb_dirty = true;
758 break;
759 case 0x4E00:
760 /* RB3D_CCTL */
761 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
762 p->rdev->cmask_filp != p->filp) {
763 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
764 return -EINVAL;
765 }
766 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
767 track->cb_dirty = true;
768 break;
769 case 0x4E38:
770 case 0x4E3C:
771 case 0x4E40:
772 case 0x4E44:
773 /* RB3D_COLORPITCH0 */
774 /* RB3D_COLORPITCH1 */
775 /* RB3D_COLORPITCH2 */
776 /* RB3D_COLORPITCH3 */
777 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
778 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
779 if (r) {
780 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
781 idx, reg);
782 radeon_cs_dump_packet(p, pkt);
783 return r;
784 }
785
786 if (reloc->tiling_flags & RADEON_TILING_MACRO)
787 tile_flags |= R300_COLOR_TILE_ENABLE;
788 if (reloc->tiling_flags & RADEON_TILING_MICRO)
789 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
790 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
791 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
792
793 tmp = idx_value & ~(0x7 << 16);
794 tmp |= tile_flags;
795 ib[idx] = tmp;
796 }
797 i = (reg - 0x4E38) >> 2;
798 track->cb[i].pitch = idx_value & 0x3FFE;
799 switch (((idx_value >> 21) & 0xF)) {
800 case 9:
801 case 11:
802 case 12:
803 track->cb[i].cpp = 1;
804 break;
805 case 3:
806 case 4:
807 case 13:
808 case 15:
809 track->cb[i].cpp = 2;
810 break;
811 case 5:
812 if (p->rdev->family < CHIP_RV515) {
813 DRM_ERROR("Invalid color buffer format (%d)!\n",
814 ((idx_value >> 21) & 0xF));
815 return -EINVAL;
816 }
817 fallthrough;
818 case 6:
819 track->cb[i].cpp = 4;
820 break;
821 case 10:
822 track->cb[i].cpp = 8;
823 break;
824 case 7:
825 track->cb[i].cpp = 16;
826 break;
827 default:
828 DRM_ERROR("Invalid color buffer format (%d) !\n",
829 ((idx_value >> 21) & 0xF));
830 return -EINVAL;
831 }
832 track->cb_dirty = true;
833 break;
834 case 0x4F00:
835 /* ZB_CNTL */
836 if (idx_value & 2) {
837 track->z_enabled = true;
838 } else {
839 track->z_enabled = false;
840 }
841 track->zb_dirty = true;
842 break;
843 case 0x4F10:
844 /* ZB_FORMAT */
845 switch ((idx_value & 0xF)) {
846 case 0:
847 case 1:
848 track->zb.cpp = 2;
849 break;
850 case 2:
851 track->zb.cpp = 4;
852 break;
853 default:
854 DRM_ERROR("Invalid z buffer format (%d) !\n",
855 (idx_value & 0xF));
856 return -EINVAL;
857 }
858 track->zb_dirty = true;
859 break;
860 case 0x4F24:
861 /* ZB_DEPTHPITCH */
862 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
863 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
864 if (r) {
865 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
866 idx, reg);
867 radeon_cs_dump_packet(p, pkt);
868 return r;
869 }
870
871 if (reloc->tiling_flags & RADEON_TILING_MACRO)
872 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
873 if (reloc->tiling_flags & RADEON_TILING_MICRO)
874 tile_flags |= R300_DEPTHMICROTILE_TILED;
875 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
876 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
877
878 tmp = idx_value & ~(0x7 << 16);
879 tmp |= tile_flags;
880 ib[idx] = tmp;
881 }
882 track->zb.pitch = idx_value & 0x3FFC;
883 track->zb_dirty = true;
884 break;
885 case 0x4104:
886 /* TX_ENABLE */
887 for (i = 0; i < 16; i++) {
888 bool enabled;
889
890 enabled = !!(idx_value & (1 << i));
891 track->textures[i].enabled = enabled;
892 }
893 track->tex_dirty = true;
894 break;
895 case 0x44C0:
896 case 0x44C4:
897 case 0x44C8:
898 case 0x44CC:
899 case 0x44D0:
900 case 0x44D4:
901 case 0x44D8:
902 case 0x44DC:
903 case 0x44E0:
904 case 0x44E4:
905 case 0x44E8:
906 case 0x44EC:
907 case 0x44F0:
908 case 0x44F4:
909 case 0x44F8:
910 case 0x44FC:
911 /* TX_FORMAT1_[0-15] */
912 i = (reg - 0x44C0) >> 2;
913 tmp = (idx_value >> 25) & 0x3;
914 track->textures[i].tex_coord_type = tmp;
915 switch ((idx_value & 0x1F)) {
916 case R300_TX_FORMAT_X8:
917 case R300_TX_FORMAT_Y4X4:
918 case R300_TX_FORMAT_Z3Y3X2:
919 track->textures[i].cpp = 1;
920 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
921 break;
922 case R300_TX_FORMAT_X16:
923 case R300_TX_FORMAT_FL_I16:
924 case R300_TX_FORMAT_Y8X8:
925 case R300_TX_FORMAT_Z5Y6X5:
926 case R300_TX_FORMAT_Z6Y5X5:
927 case R300_TX_FORMAT_W4Z4Y4X4:
928 case R300_TX_FORMAT_W1Z5Y5X5:
929 case R300_TX_FORMAT_D3DMFT_CxV8U8:
930 case R300_TX_FORMAT_B8G8_B8G8:
931 case R300_TX_FORMAT_G8R8_G8B8:
932 track->textures[i].cpp = 2;
933 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
934 break;
935 case R300_TX_FORMAT_Y16X16:
936 case R300_TX_FORMAT_FL_I16A16:
937 case R300_TX_FORMAT_Z11Y11X10:
938 case R300_TX_FORMAT_Z10Y11X11:
939 case R300_TX_FORMAT_W8Z8Y8X8:
940 case R300_TX_FORMAT_W2Z10Y10X10:
941 case 0x17:
942 case R300_TX_FORMAT_FL_I32:
943 case 0x1e:
944 track->textures[i].cpp = 4;
945 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
946 break;
947 case R300_TX_FORMAT_W16Z16Y16X16:
948 case R300_TX_FORMAT_FL_R16G16B16A16:
949 case R300_TX_FORMAT_FL_I32A32:
950 track->textures[i].cpp = 8;
951 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
952 break;
953 case R300_TX_FORMAT_FL_R32G32B32A32:
954 track->textures[i].cpp = 16;
955 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
956 break;
957 case R300_TX_FORMAT_DXT1:
958 track->textures[i].cpp = 1;
959 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
960 break;
961 case R300_TX_FORMAT_ATI2N:
962 if (p->rdev->family < CHIP_R420) {
963 DRM_ERROR("Invalid texture format %u\n",
964 (idx_value & 0x1F));
965 return -EINVAL;
966 }
967 /* The same rules apply as for DXT3/5. */
968 fallthrough;
969 case R300_TX_FORMAT_DXT3:
970 case R300_TX_FORMAT_DXT5:
971 track->textures[i].cpp = 1;
972 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
973 break;
974 default:
975 DRM_ERROR("Invalid texture format %u\n",
976 (idx_value & 0x1F));
977 return -EINVAL;
978 }
979 track->tex_dirty = true;
980 break;
981 case 0x4400:
982 case 0x4404:
983 case 0x4408:
984 case 0x440C:
985 case 0x4410:
986 case 0x4414:
987 case 0x4418:
988 case 0x441C:
989 case 0x4420:
990 case 0x4424:
991 case 0x4428:
992 case 0x442C:
993 case 0x4430:
994 case 0x4434:
995 case 0x4438:
996 case 0x443C:
997 /* TX_FILTER0_[0-15] */
998 i = (reg - 0x4400) >> 2;
999 tmp = idx_value & 0x7;
1000 if (tmp == 2 || tmp == 4 || tmp == 6) {
1001 track->textures[i].roundup_w = false;
1002 }
1003 tmp = (idx_value >> 3) & 0x7;
1004 if (tmp == 2 || tmp == 4 || tmp == 6) {
1005 track->textures[i].roundup_h = false;
1006 }
1007 track->tex_dirty = true;
1008 break;
1009 case 0x4500:
1010 case 0x4504:
1011 case 0x4508:
1012 case 0x450C:
1013 case 0x4510:
1014 case 0x4514:
1015 case 0x4518:
1016 case 0x451C:
1017 case 0x4520:
1018 case 0x4524:
1019 case 0x4528:
1020 case 0x452C:
1021 case 0x4530:
1022 case 0x4534:
1023 case 0x4538:
1024 case 0x453C:
1025 /* TX_FORMAT2_[0-15] */
1026 i = (reg - 0x4500) >> 2;
1027 tmp = idx_value & 0x3FFF;
1028 track->textures[i].pitch = tmp + 1;
1029 if (p->rdev->family >= CHIP_RV515) {
1030 tmp = ((idx_value >> 15) & 1) << 11;
1031 track->textures[i].width_11 = tmp;
1032 tmp = ((idx_value >> 16) & 1) << 11;
1033 track->textures[i].height_11 = tmp;
1034
1035 /* ATI1N */
1036 if (idx_value & (1 << 14)) {
1037 /* The same rules apply as for DXT1. */
1038 track->textures[i].compress_format =
1039 R100_TRACK_COMP_DXT1;
1040 }
1041 } else if (idx_value & (1 << 14)) {
1042 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1043 return -EINVAL;
1044 }
1045 track->tex_dirty = true;
1046 break;
1047 case 0x4480:
1048 case 0x4484:
1049 case 0x4488:
1050 case 0x448C:
1051 case 0x4490:
1052 case 0x4494:
1053 case 0x4498:
1054 case 0x449C:
1055 case 0x44A0:
1056 case 0x44A4:
1057 case 0x44A8:
1058 case 0x44AC:
1059 case 0x44B0:
1060 case 0x44B4:
1061 case 0x44B8:
1062 case 0x44BC:
1063 /* TX_FORMAT0_[0-15] */
1064 i = (reg - 0x4480) >> 2;
1065 tmp = idx_value & 0x7FF;
1066 track->textures[i].width = tmp + 1;
1067 tmp = (idx_value >> 11) & 0x7FF;
1068 track->textures[i].height = tmp + 1;
1069 tmp = (idx_value >> 26) & 0xF;
1070 track->textures[i].num_levels = tmp;
1071 tmp = idx_value & (1 << 31);
1072 track->textures[i].use_pitch = !!tmp;
1073 tmp = (idx_value >> 22) & 0xF;
1074 track->textures[i].txdepth = tmp;
1075 track->tex_dirty = true;
1076 break;
1077 case R300_ZB_ZPASS_ADDR:
1078 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1079 if (r) {
1080 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1081 idx, reg);
1082 radeon_cs_dump_packet(p, pkt);
1083 return r;
1084 }
1085 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1086 break;
1087 case 0x4e0c:
1088 /* RB3D_COLOR_CHANNEL_MASK */
1089 track->color_channel_mask = idx_value;
1090 track->cb_dirty = true;
1091 break;
1092 case 0x43a4:
1093 /* SC_HYPERZ_EN */
1094 /* r300c emits this register - we need to disable hyperz for it
1095 * without complaining */
1096 if (p->rdev->hyperz_filp != p->filp) {
1097 if (idx_value & 0x1)
1098 ib[idx] = idx_value & ~1;
1099 }
1100 break;
1101 case 0x4f1c:
1102 /* ZB_BW_CNTL */
1103 track->zb_cb_clear = !!(idx_value & (1 << 5));
1104 track->cb_dirty = true;
1105 track->zb_dirty = true;
1106 if (p->rdev->hyperz_filp != p->filp) {
1107 if (idx_value & (R300_HIZ_ENABLE |
1108 R300_RD_COMP_ENABLE |
1109 R300_WR_COMP_ENABLE |
1110 R300_FAST_FILL_ENABLE))
1111 goto fail;
1112 }
1113 break;
1114 case 0x4e04:
1115 /* RB3D_BLENDCNTL */
1116 track->blend_read_enable = !!(idx_value & (1 << 2));
1117 track->cb_dirty = true;
1118 break;
1119 case R300_RB3D_AARESOLVE_OFFSET:
1120 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1121 if (r) {
1122 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1123 idx, reg);
1124 radeon_cs_dump_packet(p, pkt);
1125 return r;
1126 }
1127 track->aa.robj = reloc->robj;
1128 track->aa.offset = idx_value;
1129 track->aa_dirty = true;
1130 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1131 break;
1132 case R300_RB3D_AARESOLVE_PITCH:
1133 track->aa.pitch = idx_value & 0x3FFE;
1134 track->aa_dirty = true;
1135 break;
1136 case R300_RB3D_AARESOLVE_CTL:
1137 track->aaresolve = idx_value & 0x1;
1138 track->aa_dirty = true;
1139 break;
1140 case 0x4f30: /* ZB_MASK_OFFSET */
1141 case 0x4f34: /* ZB_ZMASK_PITCH */
1142 case 0x4f44: /* ZB_HIZ_OFFSET */
1143 case 0x4f54: /* ZB_HIZ_PITCH */
1144 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1145 goto fail;
1146 break;
1147 case 0x4028:
1148 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1149 goto fail;
1150 /* GB_Z_PEQ_CONFIG */
1151 if (p->rdev->family >= CHIP_RV350)
1152 break;
1153 goto fail;
1154 break;
1155 case 0x4be8:
1156 /* valid register only on RV530 */
1157 if (p->rdev->family == CHIP_RV530)
1158 break;
1159 fallthrough;
1160 /* fallthrough do not move */
1161 default:
1162 goto fail;
1163 }
1164 return 0;
1165 fail:
1166 pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1167 reg, idx, idx_value);
1168 return -EINVAL;
1169 }
1170
r300_packet3_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt)1171 static int r300_packet3_check(struct radeon_cs_parser *p,
1172 struct radeon_cs_packet *pkt)
1173 {
1174 struct radeon_bo_list *reloc;
1175 struct r100_cs_track *track;
1176 volatile uint32_t *ib;
1177 unsigned idx;
1178 int r;
1179
1180 ib = p->ib.ptr;
1181 idx = pkt->idx + 1;
1182 track = (struct r100_cs_track *)p->track;
1183 switch (pkt->opcode) {
1184 case PACKET3_3D_LOAD_VBPNTR:
1185 r = r100_packet3_load_vbpntr(p, pkt, idx);
1186 if (r)
1187 return r;
1188 break;
1189 case PACKET3_INDX_BUFFER:
1190 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1191 if (r) {
1192 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1193 radeon_cs_dump_packet(p, pkt);
1194 return r;
1195 }
1196 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1197 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1198 if (r) {
1199 return r;
1200 }
1201 break;
1202 /* Draw packet */
1203 case PACKET3_3D_DRAW_IMMD:
1204 /* Number of dwords is vtx_size * (num_vertices - 1)
1205 * PRIM_WALK must be equal to 3 vertex data in embedded
1206 * in cmd stream */
1207 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1208 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1209 return -EINVAL;
1210 }
1211 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1212 track->immd_dwords = pkt->count - 1;
1213 r = r100_cs_track_check(p->rdev, track);
1214 if (r) {
1215 return r;
1216 }
1217 break;
1218 case PACKET3_3D_DRAW_IMMD_2:
1219 /* Number of dwords is vtx_size * (num_vertices - 1)
1220 * PRIM_WALK must be equal to 3 vertex data in embedded
1221 * in cmd stream */
1222 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1223 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1224 return -EINVAL;
1225 }
1226 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1227 track->immd_dwords = pkt->count;
1228 r = r100_cs_track_check(p->rdev, track);
1229 if (r) {
1230 return r;
1231 }
1232 break;
1233 case PACKET3_3D_DRAW_VBUF:
1234 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1235 r = r100_cs_track_check(p->rdev, track);
1236 if (r) {
1237 return r;
1238 }
1239 break;
1240 case PACKET3_3D_DRAW_VBUF_2:
1241 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1242 r = r100_cs_track_check(p->rdev, track);
1243 if (r) {
1244 return r;
1245 }
1246 break;
1247 case PACKET3_3D_DRAW_INDX:
1248 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1249 r = r100_cs_track_check(p->rdev, track);
1250 if (r) {
1251 return r;
1252 }
1253 break;
1254 case PACKET3_3D_DRAW_INDX_2:
1255 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1256 r = r100_cs_track_check(p->rdev, track);
1257 if (r) {
1258 return r;
1259 }
1260 break;
1261 case PACKET3_3D_CLEAR_HIZ:
1262 case PACKET3_3D_CLEAR_ZMASK:
1263 if (p->rdev->hyperz_filp != p->filp)
1264 return -EINVAL;
1265 break;
1266 case PACKET3_3D_CLEAR_CMASK:
1267 if (p->rdev->cmask_filp != p->filp)
1268 return -EINVAL;
1269 break;
1270 case PACKET3_NOP:
1271 break;
1272 default:
1273 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1274 return -EINVAL;
1275 }
1276 return 0;
1277 }
1278
r300_cs_parse(struct radeon_cs_parser * p)1279 int r300_cs_parse(struct radeon_cs_parser *p)
1280 {
1281 struct radeon_cs_packet pkt;
1282 struct r100_cs_track *track;
1283 int r;
1284
1285 track = kzalloc(sizeof(*track), GFP_KERNEL);
1286 if (track == NULL)
1287 return -ENOMEM;
1288 r100_cs_track_clear(p->rdev, track);
1289 p->track = track;
1290 do {
1291 r = radeon_cs_packet_parse(p, &pkt, p->idx);
1292 if (r) {
1293 return r;
1294 }
1295 p->idx += pkt.count + 2;
1296 switch (pkt.type) {
1297 case RADEON_PACKET_TYPE0:
1298 r = r100_cs_parse_packet0(p, &pkt,
1299 p->rdev->config.r300.reg_safe_bm,
1300 p->rdev->config.r300.reg_safe_bm_size,
1301 &r300_packet0_check);
1302 break;
1303 case RADEON_PACKET_TYPE2:
1304 break;
1305 case RADEON_PACKET_TYPE3:
1306 r = r300_packet3_check(p, &pkt);
1307 break;
1308 default:
1309 DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1310 return -EINVAL;
1311 }
1312 if (r) {
1313 return r;
1314 }
1315 } while (p->idx < p->chunk_ib->length_dw);
1316 return 0;
1317 }
1318
r300_set_reg_safe(struct radeon_device * rdev)1319 void r300_set_reg_safe(struct radeon_device *rdev)
1320 {
1321 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1322 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1323 }
1324
r300_mc_program(struct radeon_device * rdev)1325 void r300_mc_program(struct radeon_device *rdev)
1326 {
1327 struct r100_mc_save save;
1328
1329 r100_debugfs_mc_info_init(rdev);
1330
1331 /* Stops all mc clients */
1332 r100_mc_stop(rdev, &save);
1333 if (rdev->flags & RADEON_IS_AGP) {
1334 WREG32(R_00014C_MC_AGP_LOCATION,
1335 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1336 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1337 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1338 WREG32(R_00015C_AGP_BASE_2,
1339 upper_32_bits(rdev->mc.agp_base) & 0xff);
1340 } else {
1341 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1342 WREG32(R_000170_AGP_BASE, 0);
1343 WREG32(R_00015C_AGP_BASE_2, 0);
1344 }
1345 /* Wait for mc idle */
1346 if (r300_mc_wait_for_idle(rdev))
1347 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1348 /* Program MC, should be a 32bits limited address space */
1349 WREG32(R_000148_MC_FB_LOCATION,
1350 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1351 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1352 r100_mc_resume(rdev, &save);
1353 }
1354
r300_clock_startup(struct radeon_device * rdev)1355 void r300_clock_startup(struct radeon_device *rdev)
1356 {
1357 u32 tmp;
1358
1359 if (radeon_dynclks != -1 && radeon_dynclks)
1360 radeon_legacy_set_clock_gating(rdev, 1);
1361 /* We need to force on some of the block */
1362 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1363 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1364 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1365 tmp |= S_00000D_FORCE_VAP(1);
1366 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1367 }
1368
r300_startup(struct radeon_device * rdev)1369 static int r300_startup(struct radeon_device *rdev)
1370 {
1371 int r;
1372
1373 /* set common regs */
1374 r100_set_common_regs(rdev);
1375 /* program mc */
1376 r300_mc_program(rdev);
1377 /* Resume clock */
1378 r300_clock_startup(rdev);
1379 /* Initialize GPU configuration (# pipes, ...) */
1380 r300_gpu_init(rdev);
1381 /* Initialize GART (initialize after TTM so we can allocate
1382 * memory through TTM but finalize after TTM) */
1383 if (rdev->flags & RADEON_IS_PCIE) {
1384 r = rv370_pcie_gart_enable(rdev);
1385 if (r)
1386 return r;
1387 }
1388
1389 if (rdev->family == CHIP_R300 ||
1390 rdev->family == CHIP_R350 ||
1391 rdev->family == CHIP_RV350)
1392 r100_enable_bm(rdev);
1393
1394 if (rdev->flags & RADEON_IS_PCI) {
1395 r = r100_pci_gart_enable(rdev);
1396 if (r)
1397 return r;
1398 }
1399
1400 /* allocate wb buffer */
1401 r = radeon_wb_init(rdev);
1402 if (r)
1403 return r;
1404
1405 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1406 if (r) {
1407 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1408 return r;
1409 }
1410
1411 /* Enable IRQ */
1412 if (!rdev->irq.installed) {
1413 r = radeon_irq_kms_init(rdev);
1414 if (r)
1415 return r;
1416 }
1417
1418 r100_irq_set(rdev);
1419 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1420 /* 1M ring buffer */
1421 r = r100_cp_init(rdev, 1024 * 1024);
1422 if (r) {
1423 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1424 return r;
1425 }
1426
1427 r = radeon_ib_pool_init(rdev);
1428 if (r) {
1429 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1430 return r;
1431 }
1432
1433 return 0;
1434 }
1435
r300_resume(struct radeon_device * rdev)1436 int r300_resume(struct radeon_device *rdev)
1437 {
1438 int r;
1439
1440 /* Make sur GART are not working */
1441 if (rdev->flags & RADEON_IS_PCIE)
1442 rv370_pcie_gart_disable(rdev);
1443 if (rdev->flags & RADEON_IS_PCI)
1444 r100_pci_gart_disable(rdev);
1445 /* Resume clock before doing reset */
1446 r300_clock_startup(rdev);
1447 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1448 if (radeon_asic_reset(rdev)) {
1449 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1450 RREG32(R_000E40_RBBM_STATUS),
1451 RREG32(R_0007C0_CP_STAT));
1452 }
1453 /* post */
1454 radeon_combios_asic_init(rdev->ddev);
1455 /* Resume clock after posting */
1456 r300_clock_startup(rdev);
1457 /* Initialize surface registers */
1458 radeon_surface_init(rdev);
1459
1460 rdev->accel_working = true;
1461 r = r300_startup(rdev);
1462 if (r) {
1463 rdev->accel_working = false;
1464 }
1465 return r;
1466 }
1467
r300_suspend(struct radeon_device * rdev)1468 int r300_suspend(struct radeon_device *rdev)
1469 {
1470 radeon_pm_suspend(rdev);
1471 r100_cp_disable(rdev);
1472 radeon_wb_disable(rdev);
1473 r100_irq_disable(rdev);
1474 if (rdev->flags & RADEON_IS_PCIE)
1475 rv370_pcie_gart_disable(rdev);
1476 if (rdev->flags & RADEON_IS_PCI)
1477 r100_pci_gart_disable(rdev);
1478 return 0;
1479 }
1480
r300_fini(struct radeon_device * rdev)1481 void r300_fini(struct radeon_device *rdev)
1482 {
1483 radeon_pm_fini(rdev);
1484 r100_cp_fini(rdev);
1485 radeon_wb_fini(rdev);
1486 radeon_ib_pool_fini(rdev);
1487 radeon_gem_fini(rdev);
1488 if (rdev->flags & RADEON_IS_PCIE)
1489 rv370_pcie_gart_fini(rdev);
1490 if (rdev->flags & RADEON_IS_PCI)
1491 r100_pci_gart_fini(rdev);
1492 radeon_agp_fini(rdev);
1493 radeon_irq_kms_fini(rdev);
1494 radeon_fence_driver_fini(rdev);
1495 radeon_bo_fini(rdev);
1496 radeon_atombios_fini(rdev);
1497 kfree(rdev->bios);
1498 rdev->bios = NULL;
1499 }
1500
r300_init(struct radeon_device * rdev)1501 int r300_init(struct radeon_device *rdev)
1502 {
1503 int r;
1504
1505 /* Disable VGA */
1506 r100_vga_render_disable(rdev);
1507 /* Initialize scratch registers */
1508 radeon_scratch_init(rdev);
1509 /* Initialize surface registers */
1510 radeon_surface_init(rdev);
1511 /* TODO: disable VGA need to use VGA request */
1512 /* restore some register to sane defaults */
1513 r100_restore_sanity(rdev);
1514 /* BIOS*/
1515 if (!radeon_get_bios(rdev)) {
1516 if (ASIC_IS_AVIVO(rdev))
1517 return -EINVAL;
1518 }
1519 if (rdev->is_atom_bios) {
1520 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1521 return -EINVAL;
1522 } else {
1523 r = radeon_combios_init(rdev);
1524 if (r)
1525 return r;
1526 }
1527 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1528 if (radeon_asic_reset(rdev)) {
1529 dev_warn(rdev->dev,
1530 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1531 RREG32(R_000E40_RBBM_STATUS),
1532 RREG32(R_0007C0_CP_STAT));
1533 }
1534 /* check if cards are posted or not */
1535 if (radeon_boot_test_post_card(rdev) == false)
1536 return -EINVAL;
1537 /* Set asic errata */
1538 r300_errata(rdev);
1539 /* Initialize clocks */
1540 radeon_get_clock_info(rdev->ddev);
1541 /* initialize AGP */
1542 if (rdev->flags & RADEON_IS_AGP) {
1543 r = radeon_agp_init(rdev);
1544 if (r) {
1545 radeon_agp_disable(rdev);
1546 }
1547 }
1548 /* initialize memory controller */
1549 r300_mc_init(rdev);
1550 /* Fence driver */
1551 radeon_fence_driver_init(rdev);
1552 /* Memory manager */
1553 r = radeon_bo_init(rdev);
1554 if (r)
1555 return r;
1556 if (rdev->flags & RADEON_IS_PCIE) {
1557 r = rv370_pcie_gart_init(rdev);
1558 if (r)
1559 return r;
1560 }
1561 if (rdev->flags & RADEON_IS_PCI) {
1562 r = r100_pci_gart_init(rdev);
1563 if (r)
1564 return r;
1565 }
1566 r300_set_reg_safe(rdev);
1567
1568 /* Initialize power management */
1569 radeon_pm_init(rdev);
1570
1571 rdev->accel_working = true;
1572 r = r300_startup(rdev);
1573 if (r) {
1574 /* Something went wrong with the accel init, so stop accel */
1575 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1576 r100_cp_fini(rdev);
1577 radeon_wb_fini(rdev);
1578 radeon_ib_pool_fini(rdev);
1579 radeon_irq_kms_fini(rdev);
1580 if (rdev->flags & RADEON_IS_PCIE)
1581 rv370_pcie_gart_fini(rdev);
1582 if (rdev->flags & RADEON_IS_PCI)
1583 r100_pci_gart_fini(rdev);
1584 radeon_agp_fini(rdev);
1585 rdev->accel_working = false;
1586 }
1587 return 0;
1588 }
1589