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[mirror_ubuntu-jammy-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
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_crtc_helper.h>
35 #include <drm/drm_debugfs.h>
36 #include <drm/drm_device.h>
37 #include <drm/drm_file.h>
38 #include <drm/radeon_drm.h>
39
40 #include "r100_track.h"
41 #include "r300_reg_safe.h"
42 #include "r300d.h"
43 #include "radeon.h"
44 #include "radeon_asic.h"
45 #include "radeon_reg.h"
46 #include "rv350d.h"
47
48 /* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
49 *
50 * GPU Errata:
51 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
52 * using MMIO to flush host path read cache, this lead to HARDLOCKUP.
53 * However, scheduling such write to the ring seems harmless, i suspect
54 * the CP read collide with the flush somehow, or maybe the MC, hard to
55 * tell. (Jerome Glisse)
56 */
57
58 /*
59 * Indirect registers accessor
60 */
61 uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
62 {
63 unsigned long flags;
64 uint32_t r;
65
66 spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
67 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
68 r = RREG32(RADEON_PCIE_DATA);
69 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
70 return r;
71 }
72
73 void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
74 {
75 unsigned long flags;
76
77 spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
78 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
79 WREG32(RADEON_PCIE_DATA, (v));
80 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
81 }
82
83 /*
84 * rv370,rv380 PCIE GART
85 */
86 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
87
88 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
89 {
90 uint32_t tmp;
91 int i;
92
93 /* Workaround HW bug do flush 2 times */
94 for (i = 0; i < 2; i++) {
95 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
96 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
97 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
98 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
99 }
100 mb();
101 }
102
103 #define R300_PTE_UNSNOOPED (1 << 0)
104 #define R300_PTE_WRITEABLE (1 << 2)
105 #define R300_PTE_READABLE (1 << 3)
106
107 uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
108 {
109 addr = (lower_32_bits(addr) >> 8) |
110 ((upper_32_bits(addr) & 0xff) << 24);
111 if (flags & RADEON_GART_PAGE_READ)
112 addr |= R300_PTE_READABLE;
113 if (flags & RADEON_GART_PAGE_WRITE)
114 addr |= R300_PTE_WRITEABLE;
115 if (!(flags & RADEON_GART_PAGE_SNOOP))
116 addr |= R300_PTE_UNSNOOPED;
117 return addr;
118 }
119
120 void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
121 uint64_t entry)
122 {
123 void __iomem *ptr = rdev->gart.ptr;
124
125 /* on x86 we want this to be CPU endian, on powerpc
126 * on powerpc without HW swappers, it'll get swapped on way
127 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
128 writel(entry, ((void __iomem *)ptr) + (i * 4));
129 }
130
131 int rv370_pcie_gart_init(struct radeon_device *rdev)
132 {
133 int r;
134
135 if (rdev->gart.robj) {
136 WARN(1, "RV370 PCIE GART already initialized\n");
137 return 0;
138 }
139 /* Initialize common gart structure */
140 r = radeon_gart_init(rdev);
141 if (r)
142 return r;
143 r = rv370_debugfs_pcie_gart_info_init(rdev);
144 if (r)
145 DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
146 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
147 rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
148 rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
149 rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
150 return radeon_gart_table_vram_alloc(rdev);
151 }
152
153 int rv370_pcie_gart_enable(struct radeon_device *rdev)
154 {
155 uint32_t table_addr;
156 uint32_t tmp;
157 int r;
158
159 if (rdev->gart.robj == NULL) {
160 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
161 return -EINVAL;
162 }
163 r = radeon_gart_table_vram_pin(rdev);
164 if (r)
165 return r;
166 /* discard memory request outside of configured range */
167 tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
168 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
169 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
170 tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
171 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
172 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
173 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
174 table_addr = rdev->gart.table_addr;
175 WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
176 /* FIXME: setup default page */
177 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
178 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
179 /* Clear error */
180 WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
181 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
182 tmp |= RADEON_PCIE_TX_GART_EN;
183 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
184 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
185 rv370_pcie_gart_tlb_flush(rdev);
186 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
187 (unsigned)(rdev->mc.gtt_size >> 20),
188 (unsigned long long)table_addr);
189 rdev->gart.ready = true;
190 return 0;
191 }
192
193 void rv370_pcie_gart_disable(struct radeon_device *rdev)
194 {
195 u32 tmp;
196
197 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
198 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
199 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
200 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
201 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
202 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
203 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
204 radeon_gart_table_vram_unpin(rdev);
205 }
206
207 void rv370_pcie_gart_fini(struct radeon_device *rdev)
208 {
209 radeon_gart_fini(rdev);
210 rv370_pcie_gart_disable(rdev);
211 radeon_gart_table_vram_free(rdev);
212 }
213
214 void r300_fence_ring_emit(struct radeon_device *rdev,
215 struct radeon_fence *fence)
216 {
217 struct radeon_ring *ring = &rdev->ring[fence->ring];
218
219 /* Who ever call radeon_fence_emit should call ring_lock and ask
220 * for enough space (today caller are ib schedule and buffer move) */
221 /* Write SC register so SC & US assert idle */
222 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
223 radeon_ring_write(ring, 0);
224 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
225 radeon_ring_write(ring, 0);
226 /* Flush 3D cache */
227 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
228 radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
229 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
230 radeon_ring_write(ring, R300_ZC_FLUSH);
231 /* Wait until IDLE & CLEAN */
232 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
233 radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
234 RADEON_WAIT_2D_IDLECLEAN |
235 RADEON_WAIT_DMA_GUI_IDLE));
236 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
237 radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
238 RADEON_HDP_READ_BUFFER_INVALIDATE);
239 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
240 radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
241 /* Emit fence sequence & fire IRQ */
242 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
243 radeon_ring_write(ring, fence->seq);
244 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
245 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
246 }
247
248 void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
249 {
250 unsigned gb_tile_config;
251 int r;
252
253 /* Sub pixel 1/12 so we can have 4K rendering according to doc */
254 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
255 switch(rdev->num_gb_pipes) {
256 case 2:
257 gb_tile_config |= R300_PIPE_COUNT_R300;
258 break;
259 case 3:
260 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
261 break;
262 case 4:
263 gb_tile_config |= R300_PIPE_COUNT_R420;
264 break;
265 case 1:
266 default:
267 gb_tile_config |= R300_PIPE_COUNT_RV350;
268 break;
269 }
270
271 r = radeon_ring_lock(rdev, ring, 64);
272 if (r) {
273 return;
274 }
275 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
276 radeon_ring_write(ring,
277 RADEON_ISYNC_ANY2D_IDLE3D |
278 RADEON_ISYNC_ANY3D_IDLE2D |
279 RADEON_ISYNC_WAIT_IDLEGUI |
280 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
281 radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
282 radeon_ring_write(ring, gb_tile_config);
283 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
284 radeon_ring_write(ring,
285 RADEON_WAIT_2D_IDLECLEAN |
286 RADEON_WAIT_3D_IDLECLEAN);
287 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
288 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
289 radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
290 radeon_ring_write(ring, 0);
291 radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
292 radeon_ring_write(ring, 0);
293 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
294 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
295 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
296 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
297 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
298 radeon_ring_write(ring,
299 RADEON_WAIT_2D_IDLECLEAN |
300 RADEON_WAIT_3D_IDLECLEAN);
301 radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
302 radeon_ring_write(ring, 0);
303 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
304 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
305 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
306 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
307 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
308 radeon_ring_write(ring,
309 ((6 << R300_MS_X0_SHIFT) |
310 (6 << R300_MS_Y0_SHIFT) |
311 (6 << R300_MS_X1_SHIFT) |
312 (6 << R300_MS_Y1_SHIFT) |
313 (6 << R300_MS_X2_SHIFT) |
314 (6 << R300_MS_Y2_SHIFT) |
315 (6 << R300_MSBD0_Y_SHIFT) |
316 (6 << R300_MSBD0_X_SHIFT)));
317 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
318 radeon_ring_write(ring,
319 ((6 << R300_MS_X3_SHIFT) |
320 (6 << R300_MS_Y3_SHIFT) |
321 (6 << R300_MS_X4_SHIFT) |
322 (6 << R300_MS_Y4_SHIFT) |
323 (6 << R300_MS_X5_SHIFT) |
324 (6 << R300_MS_Y5_SHIFT) |
325 (6 << R300_MSBD1_SHIFT)));
326 radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
327 radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
328 radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
329 radeon_ring_write(ring,
330 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
331 radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
332 radeon_ring_write(ring,
333 R300_GEOMETRY_ROUND_NEAREST |
334 R300_COLOR_ROUND_NEAREST);
335 radeon_ring_unlock_commit(rdev, ring, false);
336 }
337
338 static void r300_errata(struct radeon_device *rdev)
339 {
340 rdev->pll_errata = 0;
341
342 if (rdev->family == CHIP_R300 &&
343 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
344 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
345 }
346 }
347
348 int r300_mc_wait_for_idle(struct radeon_device *rdev)
349 {
350 unsigned i;
351 uint32_t tmp;
352
353 for (i = 0; i < rdev->usec_timeout; i++) {
354 /* read MC_STATUS */
355 tmp = RREG32(RADEON_MC_STATUS);
356 if (tmp & R300_MC_IDLE) {
357 return 0;
358 }
359 udelay(1);
360 }
361 return -1;
362 }
363
364 static void r300_gpu_init(struct radeon_device *rdev)
365 {
366 uint32_t gb_tile_config, tmp;
367
368 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
369 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
370 /* r300,r350 */
371 rdev->num_gb_pipes = 2;
372 } else {
373 /* rv350,rv370,rv380,r300 AD, r350 AH */
374 rdev->num_gb_pipes = 1;
375 }
376 rdev->num_z_pipes = 1;
377 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
378 switch (rdev->num_gb_pipes) {
379 case 2:
380 gb_tile_config |= R300_PIPE_COUNT_R300;
381 break;
382 case 3:
383 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
384 break;
385 case 4:
386 gb_tile_config |= R300_PIPE_COUNT_R420;
387 break;
388 default:
389 case 1:
390 gb_tile_config |= R300_PIPE_COUNT_RV350;
391 break;
392 }
393 WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
394
395 if (r100_gui_wait_for_idle(rdev)) {
396 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
397 }
398
399 tmp = RREG32(R300_DST_PIPE_CONFIG);
400 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
401
402 WREG32(R300_RB2D_DSTCACHE_MODE,
403 R300_DC_AUTOFLUSH_ENABLE |
404 R300_DC_DC_DISABLE_IGNORE_PE);
405
406 if (r100_gui_wait_for_idle(rdev)) {
407 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
408 }
409 if (r300_mc_wait_for_idle(rdev)) {
410 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
411 }
412 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
413 rdev->num_gb_pipes, rdev->num_z_pipes);
414 }
415
416 int r300_asic_reset(struct radeon_device *rdev, bool hard)
417 {
418 struct r100_mc_save save;
419 u32 status, tmp;
420 int ret = 0;
421
422 status = RREG32(R_000E40_RBBM_STATUS);
423 if (!G_000E40_GUI_ACTIVE(status)) {
424 return 0;
425 }
426 r100_mc_stop(rdev, &save);
427 status = RREG32(R_000E40_RBBM_STATUS);
428 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
429 /* stop CP */
430 WREG32(RADEON_CP_CSQ_CNTL, 0);
431 tmp = RREG32(RADEON_CP_RB_CNTL);
432 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
433 WREG32(RADEON_CP_RB_RPTR_WR, 0);
434 WREG32(RADEON_CP_RB_WPTR, 0);
435 WREG32(RADEON_CP_RB_CNTL, tmp);
436 /* save PCI state */
437 pci_save_state(rdev->pdev);
438 /* disable bus mastering */
439 r100_bm_disable(rdev);
440 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
441 S_0000F0_SOFT_RESET_GA(1));
442 RREG32(R_0000F0_RBBM_SOFT_RESET);
443 mdelay(500);
444 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
445 mdelay(1);
446 status = RREG32(R_000E40_RBBM_STATUS);
447 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
448 /* resetting the CP seems to be problematic sometimes it end up
449 * hard locking the computer, but it's necessary for successful
450 * reset more test & playing is needed on R3XX/R4XX to find a
451 * reliable (if any solution)
452 */
453 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
454 RREG32(R_0000F0_RBBM_SOFT_RESET);
455 mdelay(500);
456 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
457 mdelay(1);
458 status = RREG32(R_000E40_RBBM_STATUS);
459 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
460 /* restore PCI & busmastering */
461 pci_restore_state(rdev->pdev);
462 r100_enable_bm(rdev);
463 /* Check if GPU is idle */
464 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
465 dev_err(rdev->dev, "failed to reset GPU\n");
466 ret = -1;
467 } else
468 dev_info(rdev->dev, "GPU reset succeed\n");
469 r100_mc_resume(rdev, &save);
470 return ret;
471 }
472
473 /*
474 * r300,r350,rv350,rv380 VRAM info
475 */
476 void r300_mc_init(struct radeon_device *rdev)
477 {
478 u64 base;
479 u32 tmp;
480
481 /* DDR for all card after R300 & IGP */
482 rdev->mc.vram_is_ddr = true;
483 tmp = RREG32(RADEON_MEM_CNTL);
484 tmp &= R300_MEM_NUM_CHANNELS_MASK;
485 switch (tmp) {
486 case 0: rdev->mc.vram_width = 64; break;
487 case 1: rdev->mc.vram_width = 128; break;
488 case 2: rdev->mc.vram_width = 256; break;
489 default: rdev->mc.vram_width = 128; break;
490 }
491 r100_vram_init_sizes(rdev);
492 base = rdev->mc.aper_base;
493 if (rdev->flags & RADEON_IS_IGP)
494 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
495 radeon_vram_location(rdev, &rdev->mc, base);
496 rdev->mc.gtt_base_align = 0;
497 if (!(rdev->flags & RADEON_IS_AGP))
498 radeon_gtt_location(rdev, &rdev->mc);
499 radeon_update_bandwidth_info(rdev);
500 }
501
502 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
503 {
504 uint32_t link_width_cntl, mask;
505
506 if (rdev->flags & RADEON_IS_IGP)
507 return;
508
509 if (!(rdev->flags & RADEON_IS_PCIE))
510 return;
511
512 /* FIXME wait for idle */
513
514 switch (lanes) {
515 case 0:
516 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
517 break;
518 case 1:
519 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
520 break;
521 case 2:
522 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
523 break;
524 case 4:
525 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
526 break;
527 case 8:
528 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
529 break;
530 case 12:
531 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
532 break;
533 case 16:
534 default:
535 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
536 break;
537 }
538
539 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
540
541 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
542 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
543 return;
544
545 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
546 RADEON_PCIE_LC_RECONFIG_NOW |
547 RADEON_PCIE_LC_RECONFIG_LATER |
548 RADEON_PCIE_LC_SHORT_RECONFIG_EN);
549 link_width_cntl |= mask;
550 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
551 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
552 RADEON_PCIE_LC_RECONFIG_NOW));
553
554 /* wait for lane set to complete */
555 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
556 while (link_width_cntl == 0xffffffff)
557 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
558
559 }
560
561 int rv370_get_pcie_lanes(struct radeon_device *rdev)
562 {
563 u32 link_width_cntl;
564
565 if (rdev->flags & RADEON_IS_IGP)
566 return 0;
567
568 if (!(rdev->flags & RADEON_IS_PCIE))
569 return 0;
570
571 /* FIXME wait for idle */
572
573 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
574
575 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
576 case RADEON_PCIE_LC_LINK_WIDTH_X0:
577 return 0;
578 case RADEON_PCIE_LC_LINK_WIDTH_X1:
579 return 1;
580 case RADEON_PCIE_LC_LINK_WIDTH_X2:
581 return 2;
582 case RADEON_PCIE_LC_LINK_WIDTH_X4:
583 return 4;
584 case RADEON_PCIE_LC_LINK_WIDTH_X8:
585 return 8;
586 case RADEON_PCIE_LC_LINK_WIDTH_X16:
587 default:
588 return 16;
589 }
590 }
591
592 #if defined(CONFIG_DEBUG_FS)
593 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
594 {
595 struct drm_info_node *node = (struct drm_info_node *) m->private;
596 struct drm_device *dev = node->minor->dev;
597 struct radeon_device *rdev = dev->dev_private;
598 uint32_t tmp;
599
600 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
601 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
602 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
603 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
604 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
605 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
606 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
607 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
608 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
609 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
610 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
611 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
612 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
613 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
614 return 0;
615 }
616
617 static struct drm_info_list rv370_pcie_gart_info_list[] = {
618 {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
619 };
620 #endif
621
622 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
623 {
624 #if defined(CONFIG_DEBUG_FS)
625 return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
626 #else
627 return 0;
628 #endif
629 }
630
631 static int r300_packet0_check(struct radeon_cs_parser *p,
632 struct radeon_cs_packet *pkt,
633 unsigned idx, unsigned reg)
634 {
635 struct radeon_bo_list *reloc;
636 struct r100_cs_track *track;
637 volatile uint32_t *ib;
638 uint32_t tmp, tile_flags = 0;
639 unsigned i;
640 int r;
641 u32 idx_value;
642
643 ib = p->ib.ptr;
644 track = (struct r100_cs_track *)p->track;
645 idx_value = radeon_get_ib_value(p, idx);
646
647 switch(reg) {
648 case AVIVO_D1MODE_VLINE_START_END:
649 case RADEON_CRTC_GUI_TRIG_VLINE:
650 r = r100_cs_packet_parse_vline(p);
651 if (r) {
652 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
653 idx, reg);
654 radeon_cs_dump_packet(p, pkt);
655 return r;
656 }
657 break;
658 case RADEON_DST_PITCH_OFFSET:
659 case RADEON_SRC_PITCH_OFFSET:
660 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
661 if (r)
662 return r;
663 break;
664 case R300_RB3D_COLOROFFSET0:
665 case R300_RB3D_COLOROFFSET1:
666 case R300_RB3D_COLOROFFSET2:
667 case R300_RB3D_COLOROFFSET3:
668 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
669 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
670 if (r) {
671 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
672 idx, reg);
673 radeon_cs_dump_packet(p, pkt);
674 return r;
675 }
676 track->cb[i].robj = reloc->robj;
677 track->cb[i].offset = idx_value;
678 track->cb_dirty = true;
679 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
680 break;
681 case R300_ZB_DEPTHOFFSET:
682 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
683 if (r) {
684 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
685 idx, reg);
686 radeon_cs_dump_packet(p, pkt);
687 return r;
688 }
689 track->zb.robj = reloc->robj;
690 track->zb.offset = idx_value;
691 track->zb_dirty = true;
692 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
693 break;
694 case R300_TX_OFFSET_0:
695 case R300_TX_OFFSET_0+4:
696 case R300_TX_OFFSET_0+8:
697 case R300_TX_OFFSET_0+12:
698 case R300_TX_OFFSET_0+16:
699 case R300_TX_OFFSET_0+20:
700 case R300_TX_OFFSET_0+24:
701 case R300_TX_OFFSET_0+28:
702 case R300_TX_OFFSET_0+32:
703 case R300_TX_OFFSET_0+36:
704 case R300_TX_OFFSET_0+40:
705 case R300_TX_OFFSET_0+44:
706 case R300_TX_OFFSET_0+48:
707 case R300_TX_OFFSET_0+52:
708 case R300_TX_OFFSET_0+56:
709 case R300_TX_OFFSET_0+60:
710 i = (reg - R300_TX_OFFSET_0) >> 2;
711 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
712 if (r) {
713 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
714 idx, reg);
715 radeon_cs_dump_packet(p, pkt);
716 return r;
717 }
718
719 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
720 ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
721 ((idx_value & ~31) + (u32)reloc->gpu_offset);
722 } else {
723 if (reloc->tiling_flags & RADEON_TILING_MACRO)
724 tile_flags |= R300_TXO_MACRO_TILE;
725 if (reloc->tiling_flags & RADEON_TILING_MICRO)
726 tile_flags |= R300_TXO_MICRO_TILE;
727 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
728 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
729
730 tmp = idx_value + ((u32)reloc->gpu_offset);
731 tmp |= tile_flags;
732 ib[idx] = tmp;
733 }
734 track->textures[i].robj = reloc->robj;
735 track->tex_dirty = true;
736 break;
737 /* Tracked registers */
738 case 0x2084:
739 /* VAP_VF_CNTL */
740 track->vap_vf_cntl = idx_value;
741 break;
742 case 0x20B4:
743 /* VAP_VTX_SIZE */
744 track->vtx_size = idx_value & 0x7F;
745 break;
746 case 0x2134:
747 /* VAP_VF_MAX_VTX_INDX */
748 track->max_indx = idx_value & 0x00FFFFFFUL;
749 break;
750 case 0x2088:
751 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
752 if (p->rdev->family < CHIP_RV515)
753 goto fail;
754 track->vap_alt_nverts = idx_value & 0xFFFFFF;
755 break;
756 case 0x43E4:
757 /* SC_SCISSOR1 */
758 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
759 if (p->rdev->family < CHIP_RV515) {
760 track->maxy -= 1440;
761 }
762 track->cb_dirty = true;
763 track->zb_dirty = true;
764 break;
765 case 0x4E00:
766 /* RB3D_CCTL */
767 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
768 p->rdev->cmask_filp != p->filp) {
769 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
770 return -EINVAL;
771 }
772 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
773 track->cb_dirty = true;
774 break;
775 case 0x4E38:
776 case 0x4E3C:
777 case 0x4E40:
778 case 0x4E44:
779 /* RB3D_COLORPITCH0 */
780 /* RB3D_COLORPITCH1 */
781 /* RB3D_COLORPITCH2 */
782 /* RB3D_COLORPITCH3 */
783 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
784 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
785 if (r) {
786 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
787 idx, reg);
788 radeon_cs_dump_packet(p, pkt);
789 return r;
790 }
791
792 if (reloc->tiling_flags & RADEON_TILING_MACRO)
793 tile_flags |= R300_COLOR_TILE_ENABLE;
794 if (reloc->tiling_flags & RADEON_TILING_MICRO)
795 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
796 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
797 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
798
799 tmp = idx_value & ~(0x7 << 16);
800 tmp |= tile_flags;
801 ib[idx] = tmp;
802 }
803 i = (reg - 0x4E38) >> 2;
804 track->cb[i].pitch = idx_value & 0x3FFE;
805 switch (((idx_value >> 21) & 0xF)) {
806 case 9:
807 case 11:
808 case 12:
809 track->cb[i].cpp = 1;
810 break;
811 case 3:
812 case 4:
813 case 13:
814 case 15:
815 track->cb[i].cpp = 2;
816 break;
817 case 5:
818 if (p->rdev->family < CHIP_RV515) {
819 DRM_ERROR("Invalid color buffer format (%d)!\n",
820 ((idx_value >> 21) & 0xF));
821 return -EINVAL;
822 }
823 fallthrough;
824 case 6:
825 track->cb[i].cpp = 4;
826 break;
827 case 10:
828 track->cb[i].cpp = 8;
829 break;
830 case 7:
831 track->cb[i].cpp = 16;
832 break;
833 default:
834 DRM_ERROR("Invalid color buffer format (%d) !\n",
835 ((idx_value >> 21) & 0xF));
836 return -EINVAL;
837 }
838 track->cb_dirty = true;
839 break;
840 case 0x4F00:
841 /* ZB_CNTL */
842 if (idx_value & 2) {
843 track->z_enabled = true;
844 } else {
845 track->z_enabled = false;
846 }
847 track->zb_dirty = true;
848 break;
849 case 0x4F10:
850 /* ZB_FORMAT */
851 switch ((idx_value & 0xF)) {
852 case 0:
853 case 1:
854 track->zb.cpp = 2;
855 break;
856 case 2:
857 track->zb.cpp = 4;
858 break;
859 default:
860 DRM_ERROR("Invalid z buffer format (%d) !\n",
861 (idx_value & 0xF));
862 return -EINVAL;
863 }
864 track->zb_dirty = true;
865 break;
866 case 0x4F24:
867 /* ZB_DEPTHPITCH */
868 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
869 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
870 if (r) {
871 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
872 idx, reg);
873 radeon_cs_dump_packet(p, pkt);
874 return r;
875 }
876
877 if (reloc->tiling_flags & RADEON_TILING_MACRO)
878 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
879 if (reloc->tiling_flags & RADEON_TILING_MICRO)
880 tile_flags |= R300_DEPTHMICROTILE_TILED;
881 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
882 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
883
884 tmp = idx_value & ~(0x7 << 16);
885 tmp |= tile_flags;
886 ib[idx] = tmp;
887 }
888 track->zb.pitch = idx_value & 0x3FFC;
889 track->zb_dirty = true;
890 break;
891 case 0x4104:
892 /* TX_ENABLE */
893 for (i = 0; i < 16; i++) {
894 bool enabled;
895
896 enabled = !!(idx_value & (1 << i));
897 track->textures[i].enabled = enabled;
898 }
899 track->tex_dirty = true;
900 break;
901 case 0x44C0:
902 case 0x44C4:
903 case 0x44C8:
904 case 0x44CC:
905 case 0x44D0:
906 case 0x44D4:
907 case 0x44D8:
908 case 0x44DC:
909 case 0x44E0:
910 case 0x44E4:
911 case 0x44E8:
912 case 0x44EC:
913 case 0x44F0:
914 case 0x44F4:
915 case 0x44F8:
916 case 0x44FC:
917 /* TX_FORMAT1_[0-15] */
918 i = (reg - 0x44C0) >> 2;
919 tmp = (idx_value >> 25) & 0x3;
920 track->textures[i].tex_coord_type = tmp;
921 switch ((idx_value & 0x1F)) {
922 case R300_TX_FORMAT_X8:
923 case R300_TX_FORMAT_Y4X4:
924 case R300_TX_FORMAT_Z3Y3X2:
925 track->textures[i].cpp = 1;
926 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
927 break;
928 case R300_TX_FORMAT_X16:
929 case R300_TX_FORMAT_FL_I16:
930 case R300_TX_FORMAT_Y8X8:
931 case R300_TX_FORMAT_Z5Y6X5:
932 case R300_TX_FORMAT_Z6Y5X5:
933 case R300_TX_FORMAT_W4Z4Y4X4:
934 case R300_TX_FORMAT_W1Z5Y5X5:
935 case R300_TX_FORMAT_D3DMFT_CxV8U8:
936 case R300_TX_FORMAT_B8G8_B8G8:
937 case R300_TX_FORMAT_G8R8_G8B8:
938 track->textures[i].cpp = 2;
939 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
940 break;
941 case R300_TX_FORMAT_Y16X16:
942 case R300_TX_FORMAT_FL_I16A16:
943 case R300_TX_FORMAT_Z11Y11X10:
944 case R300_TX_FORMAT_Z10Y11X11:
945 case R300_TX_FORMAT_W8Z8Y8X8:
946 case R300_TX_FORMAT_W2Z10Y10X10:
947 case 0x17:
948 case R300_TX_FORMAT_FL_I32:
949 case 0x1e:
950 track->textures[i].cpp = 4;
951 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
952 break;
953 case R300_TX_FORMAT_W16Z16Y16X16:
954 case R300_TX_FORMAT_FL_R16G16B16A16:
955 case R300_TX_FORMAT_FL_I32A32:
956 track->textures[i].cpp = 8;
957 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
958 break;
959 case R300_TX_FORMAT_FL_R32G32B32A32:
960 track->textures[i].cpp = 16;
961 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
962 break;
963 case R300_TX_FORMAT_DXT1:
964 track->textures[i].cpp = 1;
965 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
966 break;
967 case R300_TX_FORMAT_ATI2N:
968 if (p->rdev->family < CHIP_R420) {
969 DRM_ERROR("Invalid texture format %u\n",
970 (idx_value & 0x1F));
971 return -EINVAL;
972 }
973 /* The same rules apply as for DXT3/5. */
974 fallthrough;
975 case R300_TX_FORMAT_DXT3:
976 case R300_TX_FORMAT_DXT5:
977 track->textures[i].cpp = 1;
978 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
979 break;
980 default:
981 DRM_ERROR("Invalid texture format %u\n",
982 (idx_value & 0x1F));
983 return -EINVAL;
984 }
985 track->tex_dirty = true;
986 break;
987 case 0x4400:
988 case 0x4404:
989 case 0x4408:
990 case 0x440C:
991 case 0x4410:
992 case 0x4414:
993 case 0x4418:
994 case 0x441C:
995 case 0x4420:
996 case 0x4424:
997 case 0x4428:
998 case 0x442C:
999 case 0x4430:
1000 case 0x4434:
1001 case 0x4438:
1002 case 0x443C:
1003 /* TX_FILTER0_[0-15] */
1004 i = (reg - 0x4400) >> 2;
1005 tmp = idx_value & 0x7;
1006 if (tmp == 2 || tmp == 4 || tmp == 6) {
1007 track->textures[i].roundup_w = false;
1008 }
1009 tmp = (idx_value >> 3) & 0x7;
1010 if (tmp == 2 || tmp == 4 || tmp == 6) {
1011 track->textures[i].roundup_h = false;
1012 }
1013 track->tex_dirty = true;
1014 break;
1015 case 0x4500:
1016 case 0x4504:
1017 case 0x4508:
1018 case 0x450C:
1019 case 0x4510:
1020 case 0x4514:
1021 case 0x4518:
1022 case 0x451C:
1023 case 0x4520:
1024 case 0x4524:
1025 case 0x4528:
1026 case 0x452C:
1027 case 0x4530:
1028 case 0x4534:
1029 case 0x4538:
1030 case 0x453C:
1031 /* TX_FORMAT2_[0-15] */
1032 i = (reg - 0x4500) >> 2;
1033 tmp = idx_value & 0x3FFF;
1034 track->textures[i].pitch = tmp + 1;
1035 if (p->rdev->family >= CHIP_RV515) {
1036 tmp = ((idx_value >> 15) & 1) << 11;
1037 track->textures[i].width_11 = tmp;
1038 tmp = ((idx_value >> 16) & 1) << 11;
1039 track->textures[i].height_11 = tmp;
1040
1041 /* ATI1N */
1042 if (idx_value & (1 << 14)) {
1043 /* The same rules apply as for DXT1. */
1044 track->textures[i].compress_format =
1045 R100_TRACK_COMP_DXT1;
1046 }
1047 } else if (idx_value & (1 << 14)) {
1048 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1049 return -EINVAL;
1050 }
1051 track->tex_dirty = true;
1052 break;
1053 case 0x4480:
1054 case 0x4484:
1055 case 0x4488:
1056 case 0x448C:
1057 case 0x4490:
1058 case 0x4494:
1059 case 0x4498:
1060 case 0x449C:
1061 case 0x44A0:
1062 case 0x44A4:
1063 case 0x44A8:
1064 case 0x44AC:
1065 case 0x44B0:
1066 case 0x44B4:
1067 case 0x44B8:
1068 case 0x44BC:
1069 /* TX_FORMAT0_[0-15] */
1070 i = (reg - 0x4480) >> 2;
1071 tmp = idx_value & 0x7FF;
1072 track->textures[i].width = tmp + 1;
1073 tmp = (idx_value >> 11) & 0x7FF;
1074 track->textures[i].height = tmp + 1;
1075 tmp = (idx_value >> 26) & 0xF;
1076 track->textures[i].num_levels = tmp;
1077 tmp = idx_value & (1 << 31);
1078 track->textures[i].use_pitch = !!tmp;
1079 tmp = (idx_value >> 22) & 0xF;
1080 track->textures[i].txdepth = tmp;
1081 track->tex_dirty = true;
1082 break;
1083 case R300_ZB_ZPASS_ADDR:
1084 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1085 if (r) {
1086 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1087 idx, reg);
1088 radeon_cs_dump_packet(p, pkt);
1089 return r;
1090 }
1091 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1092 break;
1093 case 0x4e0c:
1094 /* RB3D_COLOR_CHANNEL_MASK */
1095 track->color_channel_mask = idx_value;
1096 track->cb_dirty = true;
1097 break;
1098 case 0x43a4:
1099 /* SC_HYPERZ_EN */
1100 /* r300c emits this register - we need to disable hyperz for it
1101 * without complaining */
1102 if (p->rdev->hyperz_filp != p->filp) {
1103 if (idx_value & 0x1)
1104 ib[idx] = idx_value & ~1;
1105 }
1106 break;
1107 case 0x4f1c:
1108 /* ZB_BW_CNTL */
1109 track->zb_cb_clear = !!(idx_value & (1 << 5));
1110 track->cb_dirty = true;
1111 track->zb_dirty = true;
1112 if (p->rdev->hyperz_filp != p->filp) {
1113 if (idx_value & (R300_HIZ_ENABLE |
1114 R300_RD_COMP_ENABLE |
1115 R300_WR_COMP_ENABLE |
1116 R300_FAST_FILL_ENABLE))
1117 goto fail;
1118 }
1119 break;
1120 case 0x4e04:
1121 /* RB3D_BLENDCNTL */
1122 track->blend_read_enable = !!(idx_value & (1 << 2));
1123 track->cb_dirty = true;
1124 break;
1125 case R300_RB3D_AARESOLVE_OFFSET:
1126 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1127 if (r) {
1128 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1129 idx, reg);
1130 radeon_cs_dump_packet(p, pkt);
1131 return r;
1132 }
1133 track->aa.robj = reloc->robj;
1134 track->aa.offset = idx_value;
1135 track->aa_dirty = true;
1136 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1137 break;
1138 case R300_RB3D_AARESOLVE_PITCH:
1139 track->aa.pitch = idx_value & 0x3FFE;
1140 track->aa_dirty = true;
1141 break;
1142 case R300_RB3D_AARESOLVE_CTL:
1143 track->aaresolve = idx_value & 0x1;
1144 track->aa_dirty = true;
1145 break;
1146 case 0x4f30: /* ZB_MASK_OFFSET */
1147 case 0x4f34: /* ZB_ZMASK_PITCH */
1148 case 0x4f44: /* ZB_HIZ_OFFSET */
1149 case 0x4f54: /* ZB_HIZ_PITCH */
1150 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1151 goto fail;
1152 break;
1153 case 0x4028:
1154 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1155 goto fail;
1156 /* GB_Z_PEQ_CONFIG */
1157 if (p->rdev->family >= CHIP_RV350)
1158 break;
1159 goto fail;
1160 break;
1161 case 0x4be8:
1162 /* valid register only on RV530 */
1163 if (p->rdev->family == CHIP_RV530)
1164 break;
1165 /* fallthrough do not move */
1166 default:
1167 goto fail;
1168 }
1169 return 0;
1170 fail:
1171 pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1172 reg, idx, idx_value);
1173 return -EINVAL;
1174 }
1175
1176 static int r300_packet3_check(struct radeon_cs_parser *p,
1177 struct radeon_cs_packet *pkt)
1178 {
1179 struct radeon_bo_list *reloc;
1180 struct r100_cs_track *track;
1181 volatile uint32_t *ib;
1182 unsigned idx;
1183 int r;
1184
1185 ib = p->ib.ptr;
1186 idx = pkt->idx + 1;
1187 track = (struct r100_cs_track *)p->track;
1188 switch(pkt->opcode) {
1189 case PACKET3_3D_LOAD_VBPNTR:
1190 r = r100_packet3_load_vbpntr(p, pkt, idx);
1191 if (r)
1192 return r;
1193 break;
1194 case PACKET3_INDX_BUFFER:
1195 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1196 if (r) {
1197 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1198 radeon_cs_dump_packet(p, pkt);
1199 return r;
1200 }
1201 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1202 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1203 if (r) {
1204 return r;
1205 }
1206 break;
1207 /* Draw packet */
1208 case PACKET3_3D_DRAW_IMMD:
1209 /* Number of dwords is vtx_size * (num_vertices - 1)
1210 * PRIM_WALK must be equal to 3 vertex data in embedded
1211 * in cmd stream */
1212 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1213 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1214 return -EINVAL;
1215 }
1216 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1217 track->immd_dwords = pkt->count - 1;
1218 r = r100_cs_track_check(p->rdev, track);
1219 if (r) {
1220 return r;
1221 }
1222 break;
1223 case PACKET3_3D_DRAW_IMMD_2:
1224 /* Number of dwords is vtx_size * (num_vertices - 1)
1225 * PRIM_WALK must be equal to 3 vertex data in embedded
1226 * in cmd stream */
1227 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1228 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1229 return -EINVAL;
1230 }
1231 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1232 track->immd_dwords = pkt->count;
1233 r = r100_cs_track_check(p->rdev, track);
1234 if (r) {
1235 return r;
1236 }
1237 break;
1238 case PACKET3_3D_DRAW_VBUF:
1239 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1240 r = r100_cs_track_check(p->rdev, track);
1241 if (r) {
1242 return r;
1243 }
1244 break;
1245 case PACKET3_3D_DRAW_VBUF_2:
1246 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1247 r = r100_cs_track_check(p->rdev, track);
1248 if (r) {
1249 return r;
1250 }
1251 break;
1252 case PACKET3_3D_DRAW_INDX:
1253 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1254 r = r100_cs_track_check(p->rdev, track);
1255 if (r) {
1256 return r;
1257 }
1258 break;
1259 case PACKET3_3D_DRAW_INDX_2:
1260 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1261 r = r100_cs_track_check(p->rdev, track);
1262 if (r) {
1263 return r;
1264 }
1265 break;
1266 case PACKET3_3D_CLEAR_HIZ:
1267 case PACKET3_3D_CLEAR_ZMASK:
1268 if (p->rdev->hyperz_filp != p->filp)
1269 return -EINVAL;
1270 break;
1271 case PACKET3_3D_CLEAR_CMASK:
1272 if (p->rdev->cmask_filp != p->filp)
1273 return -EINVAL;
1274 break;
1275 case PACKET3_NOP:
1276 break;
1277 default:
1278 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1279 return -EINVAL;
1280 }
1281 return 0;
1282 }
1283
1284 int r300_cs_parse(struct radeon_cs_parser *p)
1285 {
1286 struct radeon_cs_packet pkt;
1287 struct r100_cs_track *track;
1288 int r;
1289
1290 track = kzalloc(sizeof(*track), GFP_KERNEL);
1291 if (track == NULL)
1292 return -ENOMEM;
1293 r100_cs_track_clear(p->rdev, track);
1294 p->track = track;
1295 do {
1296 r = radeon_cs_packet_parse(p, &pkt, p->idx);
1297 if (r) {
1298 return r;
1299 }
1300 p->idx += pkt.count + 2;
1301 switch (pkt.type) {
1302 case RADEON_PACKET_TYPE0:
1303 r = r100_cs_parse_packet0(p, &pkt,
1304 p->rdev->config.r300.reg_safe_bm,
1305 p->rdev->config.r300.reg_safe_bm_size,
1306 &r300_packet0_check);
1307 break;
1308 case RADEON_PACKET_TYPE2:
1309 break;
1310 case RADEON_PACKET_TYPE3:
1311 r = r300_packet3_check(p, &pkt);
1312 break;
1313 default:
1314 DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1315 return -EINVAL;
1316 }
1317 if (r) {
1318 return r;
1319 }
1320 } while (p->idx < p->chunk_ib->length_dw);
1321 return 0;
1322 }
1323
1324 void r300_set_reg_safe(struct radeon_device *rdev)
1325 {
1326 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1327 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1328 }
1329
1330 void r300_mc_program(struct radeon_device *rdev)
1331 {
1332 struct r100_mc_save save;
1333 int r;
1334
1335 r = r100_debugfs_mc_info_init(rdev);
1336 if (r) {
1337 dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1338 }
1339
1340 /* Stops all mc clients */
1341 r100_mc_stop(rdev, &save);
1342 if (rdev->flags & RADEON_IS_AGP) {
1343 WREG32(R_00014C_MC_AGP_LOCATION,
1344 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1345 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1346 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1347 WREG32(R_00015C_AGP_BASE_2,
1348 upper_32_bits(rdev->mc.agp_base) & 0xff);
1349 } else {
1350 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1351 WREG32(R_000170_AGP_BASE, 0);
1352 WREG32(R_00015C_AGP_BASE_2, 0);
1353 }
1354 /* Wait for mc idle */
1355 if (r300_mc_wait_for_idle(rdev))
1356 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1357 /* Program MC, should be a 32bits limited address space */
1358 WREG32(R_000148_MC_FB_LOCATION,
1359 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1360 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1361 r100_mc_resume(rdev, &save);
1362 }
1363
1364 void r300_clock_startup(struct radeon_device *rdev)
1365 {
1366 u32 tmp;
1367
1368 if (radeon_dynclks != -1 && radeon_dynclks)
1369 radeon_legacy_set_clock_gating(rdev, 1);
1370 /* We need to force on some of the block */
1371 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1372 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1373 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1374 tmp |= S_00000D_FORCE_VAP(1);
1375 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1376 }
1377
1378 static int r300_startup(struct radeon_device *rdev)
1379 {
1380 int r;
1381
1382 /* set common regs */
1383 r100_set_common_regs(rdev);
1384 /* program mc */
1385 r300_mc_program(rdev);
1386 /* Resume clock */
1387 r300_clock_startup(rdev);
1388 /* Initialize GPU configuration (# pipes, ...) */
1389 r300_gpu_init(rdev);
1390 /* Initialize GART (initialize after TTM so we can allocate
1391 * memory through TTM but finalize after TTM) */
1392 if (rdev->flags & RADEON_IS_PCIE) {
1393 r = rv370_pcie_gart_enable(rdev);
1394 if (r)
1395 return r;
1396 }
1397
1398 if (rdev->family == CHIP_R300 ||
1399 rdev->family == CHIP_R350 ||
1400 rdev->family == CHIP_RV350)
1401 r100_enable_bm(rdev);
1402
1403 if (rdev->flags & RADEON_IS_PCI) {
1404 r = r100_pci_gart_enable(rdev);
1405 if (r)
1406 return r;
1407 }
1408
1409 /* allocate wb buffer */
1410 r = radeon_wb_init(rdev);
1411 if (r)
1412 return r;
1413
1414 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1415 if (r) {
1416 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1417 return r;
1418 }
1419
1420 /* Enable IRQ */
1421 if (!rdev->irq.installed) {
1422 r = radeon_irq_kms_init(rdev);
1423 if (r)
1424 return r;
1425 }
1426
1427 r100_irq_set(rdev);
1428 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1429 /* 1M ring buffer */
1430 r = r100_cp_init(rdev, 1024 * 1024);
1431 if (r) {
1432 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1433 return r;
1434 }
1435
1436 r = radeon_ib_pool_init(rdev);
1437 if (r) {
1438 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1439 return r;
1440 }
1441
1442 return 0;
1443 }
1444
1445 int r300_resume(struct radeon_device *rdev)
1446 {
1447 int r;
1448
1449 /* Make sur GART are not working */
1450 if (rdev->flags & RADEON_IS_PCIE)
1451 rv370_pcie_gart_disable(rdev);
1452 if (rdev->flags & RADEON_IS_PCI)
1453 r100_pci_gart_disable(rdev);
1454 /* Resume clock before doing reset */
1455 r300_clock_startup(rdev);
1456 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1457 if (radeon_asic_reset(rdev)) {
1458 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1459 RREG32(R_000E40_RBBM_STATUS),
1460 RREG32(R_0007C0_CP_STAT));
1461 }
1462 /* post */
1463 radeon_combios_asic_init(rdev->ddev);
1464 /* Resume clock after posting */
1465 r300_clock_startup(rdev);
1466 /* Initialize surface registers */
1467 radeon_surface_init(rdev);
1468
1469 rdev->accel_working = true;
1470 r = r300_startup(rdev);
1471 if (r) {
1472 rdev->accel_working = false;
1473 }
1474 return r;
1475 }
1476
1477 int r300_suspend(struct radeon_device *rdev)
1478 {
1479 radeon_pm_suspend(rdev);
1480 r100_cp_disable(rdev);
1481 radeon_wb_disable(rdev);
1482 r100_irq_disable(rdev);
1483 if (rdev->flags & RADEON_IS_PCIE)
1484 rv370_pcie_gart_disable(rdev);
1485 if (rdev->flags & RADEON_IS_PCI)
1486 r100_pci_gart_disable(rdev);
1487 return 0;
1488 }
1489
1490 void r300_fini(struct radeon_device *rdev)
1491 {
1492 radeon_pm_fini(rdev);
1493 r100_cp_fini(rdev);
1494 radeon_wb_fini(rdev);
1495 radeon_ib_pool_fini(rdev);
1496 radeon_gem_fini(rdev);
1497 if (rdev->flags & RADEON_IS_PCIE)
1498 rv370_pcie_gart_fini(rdev);
1499 if (rdev->flags & RADEON_IS_PCI)
1500 r100_pci_gart_fini(rdev);
1501 radeon_agp_fini(rdev);
1502 radeon_irq_kms_fini(rdev);
1503 radeon_fence_driver_fini(rdev);
1504 radeon_bo_fini(rdev);
1505 radeon_atombios_fini(rdev);
1506 kfree(rdev->bios);
1507 rdev->bios = NULL;
1508 }
1509
1510 int r300_init(struct radeon_device *rdev)
1511 {
1512 int r;
1513
1514 /* Disable VGA */
1515 r100_vga_render_disable(rdev);
1516 /* Initialize scratch registers */
1517 radeon_scratch_init(rdev);
1518 /* Initialize surface registers */
1519 radeon_surface_init(rdev);
1520 /* TODO: disable VGA need to use VGA request */
1521 /* restore some register to sane defaults */
1522 r100_restore_sanity(rdev);
1523 /* BIOS*/
1524 if (!radeon_get_bios(rdev)) {
1525 if (ASIC_IS_AVIVO(rdev))
1526 return -EINVAL;
1527 }
1528 if (rdev->is_atom_bios) {
1529 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1530 return -EINVAL;
1531 } else {
1532 r = radeon_combios_init(rdev);
1533 if (r)
1534 return r;
1535 }
1536 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1537 if (radeon_asic_reset(rdev)) {
1538 dev_warn(rdev->dev,
1539 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1540 RREG32(R_000E40_RBBM_STATUS),
1541 RREG32(R_0007C0_CP_STAT));
1542 }
1543 /* check if cards are posted or not */
1544 if (radeon_boot_test_post_card(rdev) == false)
1545 return -EINVAL;
1546 /* Set asic errata */
1547 r300_errata(rdev);
1548 /* Initialize clocks */
1549 radeon_get_clock_info(rdev->ddev);
1550 /* initialize AGP */
1551 if (rdev->flags & RADEON_IS_AGP) {
1552 r = radeon_agp_init(rdev);
1553 if (r) {
1554 radeon_agp_disable(rdev);
1555 }
1556 }
1557 /* initialize memory controller */
1558 r300_mc_init(rdev);
1559 /* Fence driver */
1560 r = radeon_fence_driver_init(rdev);
1561 if (r)
1562 return r;
1563 /* Memory manager */
1564 r = radeon_bo_init(rdev);
1565 if (r)
1566 return r;
1567 if (rdev->flags & RADEON_IS_PCIE) {
1568 r = rv370_pcie_gart_init(rdev);
1569 if (r)
1570 return r;
1571 }
1572 if (rdev->flags & RADEON_IS_PCI) {
1573 r = r100_pci_gart_init(rdev);
1574 if (r)
1575 return r;
1576 }
1577 r300_set_reg_safe(rdev);
1578
1579 /* Initialize power management */
1580 radeon_pm_init(rdev);
1581
1582 rdev->accel_working = true;
1583 r = r300_startup(rdev);
1584 if (r) {
1585 /* Something went wrong with the accel init, so stop accel */
1586 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1587 r100_cp_fini(rdev);
1588 radeon_wb_fini(rdev);
1589 radeon_ib_pool_fini(rdev);
1590 radeon_irq_kms_fini(rdev);
1591 if (rdev->flags & RADEON_IS_PCIE)
1592 rv370_pcie_gart_fini(rdev);
1593 if (rdev->flags & RADEON_IS_PCI)
1594 r100_pci_gart_fini(rdev);
1595 radeon_agp_fini(rdev);
1596 rdev->accel_working = false;
1597 }
1598 return 0;
1599 }
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