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_device.h>
36 #include <drm/drm_file.h>
37 #include <drm/radeon_drm.h>
38
39 #include "r100_track.h"
40 #include "r300_reg_safe.h"
41 #include "r300d.h"
42 #include "radeon.h"
43 #include "radeon_asic.h"
44 #include "radeon_reg.h"
45 #include "rv350d.h"
46
47 /* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
48 *
49 * GPU Errata:
50 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
51 * using MMIO to flush host path read cache, this lead to HARDLOCKUP.
52 * However, scheduling such write to the ring seems harmless, i suspect
53 * the CP read collide with the flush somehow, or maybe the MC, hard to
54 * tell. (Jerome Glisse)
55 */
56
57 /*
58 * Indirect registers accessor
59 */
rv370_pcie_rreg(struct radeon_device * rdev,uint32_t reg)60 uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
61 {
62 unsigned long flags;
63 uint32_t r;
64
65 spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
66 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
67 r = RREG32(RADEON_PCIE_DATA);
68 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
69 return r;
70 }
71
rv370_pcie_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v)72 void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
73 {
74 unsigned long flags;
75
76 spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
77 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
78 WREG32(RADEON_PCIE_DATA, (v));
79 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
80 }
81
82 /*
83 * rv370,rv380 PCIE GART
84 */
85 static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
86
rv370_pcie_gart_tlb_flush(struct radeon_device * rdev)87 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
88 {
89 uint32_t tmp;
90 int i;
91
92 /* Workaround HW bug do flush 2 times */
93 for (i = 0; i < 2; i++) {
94 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
95 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
96 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
97 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
98 }
99 mb();
100 }
101
102 #define R300_PTE_UNSNOOPED (1 << 0)
103 #define R300_PTE_WRITEABLE (1 << 2)
104 #define R300_PTE_READABLE (1 << 3)
105
rv370_pcie_gart_get_page_entry(uint64_t addr,uint32_t flags)106 uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
107 {
108 addr = (lower_32_bits(addr) >> 8) |
109 ((upper_32_bits(addr) & 0xff) << 24);
110 if (flags & RADEON_GART_PAGE_READ)
111 addr |= R300_PTE_READABLE;
112 if (flags & RADEON_GART_PAGE_WRITE)
113 addr |= R300_PTE_WRITEABLE;
114 if (!(flags & RADEON_GART_PAGE_SNOOP))
115 addr |= R300_PTE_UNSNOOPED;
116 return addr;
117 }
118
rv370_pcie_gart_set_page(struct radeon_device * rdev,unsigned i,uint64_t entry)119 void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
120 uint64_t entry)
121 {
122 void __iomem *ptr = rdev->gart.ptr;
123
124 /* on x86 we want this to be CPU endian, on powerpc
125 * on powerpc without HW swappers, it'll get swapped on way
126 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
127 writel(entry, ((void __iomem *)ptr) + (i * 4));
128 }
129
rv370_pcie_gart_init(struct radeon_device * rdev)130 int rv370_pcie_gart_init(struct radeon_device *rdev)
131 {
132 int r;
133
134 if (rdev->gart.robj) {
135 WARN(1, "RV370 PCIE GART already initialized\n");
136 return 0;
137 }
138 /* Initialize common gart structure */
139 r = radeon_gart_init(rdev);
140 if (r)
141 return r;
142 rv370_debugfs_pcie_gart_info_init(rdev);
143
144 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
145 rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
146 rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
147 rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
148 return radeon_gart_table_vram_alloc(rdev);
149 }
150
rv370_pcie_gart_enable(struct radeon_device * rdev)151 int rv370_pcie_gart_enable(struct radeon_device *rdev)
152 {
153 uint32_t table_addr;
154 uint32_t tmp;
155 int r;
156
157 if (rdev->gart.robj == NULL) {
158 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
159 return -EINVAL;
160 }
161 r = radeon_gart_table_vram_pin(rdev);
162 if (r)
163 return r;
164 /* discard memory request outside of configured range */
165 tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
166 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
167 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
168 tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
169 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
170 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
171 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
172 table_addr = rdev->gart.table_addr;
173 WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
174 /* FIXME: setup default page */
175 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
176 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
177 /* Clear error */
178 WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
179 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
180 tmp |= RADEON_PCIE_TX_GART_EN;
181 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
182 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
183 rv370_pcie_gart_tlb_flush(rdev);
184 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
185 (unsigned)(rdev->mc.gtt_size >> 20),
186 (unsigned long long)table_addr);
187 rdev->gart.ready = true;
188 return 0;
189 }
190
rv370_pcie_gart_disable(struct radeon_device * rdev)191 void rv370_pcie_gart_disable(struct radeon_device *rdev)
192 {
193 u32 tmp;
194
195 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
196 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
197 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
198 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
199 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
200 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
201 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
202 radeon_gart_table_vram_unpin(rdev);
203 }
204
rv370_pcie_gart_fini(struct radeon_device * rdev)205 void rv370_pcie_gart_fini(struct radeon_device *rdev)
206 {
207 radeon_gart_fini(rdev);
208 rv370_pcie_gart_disable(rdev);
209 radeon_gart_table_vram_free(rdev);
210 }
211
r300_fence_ring_emit(struct radeon_device * rdev,struct radeon_fence * fence)212 void r300_fence_ring_emit(struct radeon_device *rdev,
213 struct radeon_fence *fence)
214 {
215 struct radeon_ring *ring = &rdev->ring[fence->ring];
216
217 /* Who ever call radeon_fence_emit should call ring_lock and ask
218 * for enough space (today caller are ib schedule and buffer move) */
219 /* Write SC register so SC & US assert idle */
220 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
221 radeon_ring_write(ring, 0);
222 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
223 radeon_ring_write(ring, 0);
224 /* Flush 3D cache */
225 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
226 radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
227 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
228 radeon_ring_write(ring, R300_ZC_FLUSH);
229 /* Wait until IDLE & CLEAN */
230 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
231 radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
232 RADEON_WAIT_2D_IDLECLEAN |
233 RADEON_WAIT_DMA_GUI_IDLE));
234 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
235 radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
236 RADEON_HDP_READ_BUFFER_INVALIDATE);
237 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
238 radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
239 /* Emit fence sequence & fire IRQ */
240 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
241 radeon_ring_write(ring, fence->seq);
242 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
243 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
244 }
245
r300_ring_start(struct radeon_device * rdev,struct radeon_ring * ring)246 void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
247 {
248 unsigned gb_tile_config;
249 int r;
250
251 /* Sub pixel 1/12 so we can have 4K rendering according to doc */
252 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
253 switch(rdev->num_gb_pipes) {
254 case 2:
255 gb_tile_config |= R300_PIPE_COUNT_R300;
256 break;
257 case 3:
258 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
259 break;
260 case 4:
261 gb_tile_config |= R300_PIPE_COUNT_R420;
262 break;
263 case 1:
264 default:
265 gb_tile_config |= R300_PIPE_COUNT_RV350;
266 break;
267 }
268
269 r = radeon_ring_lock(rdev, ring, 64);
270 if (r) {
271 return;
272 }
273 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
274 radeon_ring_write(ring,
275 RADEON_ISYNC_ANY2D_IDLE3D |
276 RADEON_ISYNC_ANY3D_IDLE2D |
277 RADEON_ISYNC_WAIT_IDLEGUI |
278 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
279 radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
280 radeon_ring_write(ring, gb_tile_config);
281 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
282 radeon_ring_write(ring,
283 RADEON_WAIT_2D_IDLECLEAN |
284 RADEON_WAIT_3D_IDLECLEAN);
285 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
286 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
287 radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
288 radeon_ring_write(ring, 0);
289 radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
290 radeon_ring_write(ring, 0);
291 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
292 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
293 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
294 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
295 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
296 radeon_ring_write(ring,
297 RADEON_WAIT_2D_IDLECLEAN |
298 RADEON_WAIT_3D_IDLECLEAN);
299 radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
300 radeon_ring_write(ring, 0);
301 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
302 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
303 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
304 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
305 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
306 radeon_ring_write(ring,
307 ((6 << R300_MS_X0_SHIFT) |
308 (6 << R300_MS_Y0_SHIFT) |
309 (6 << R300_MS_X1_SHIFT) |
310 (6 << R300_MS_Y1_SHIFT) |
311 (6 << R300_MS_X2_SHIFT) |
312 (6 << R300_MS_Y2_SHIFT) |
313 (6 << R300_MSBD0_Y_SHIFT) |
314 (6 << R300_MSBD0_X_SHIFT)));
315 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
316 radeon_ring_write(ring,
317 ((6 << R300_MS_X3_SHIFT) |
318 (6 << R300_MS_Y3_SHIFT) |
319 (6 << R300_MS_X4_SHIFT) |
320 (6 << R300_MS_Y4_SHIFT) |
321 (6 << R300_MS_X5_SHIFT) |
322 (6 << R300_MS_Y5_SHIFT) |
323 (6 << R300_MSBD1_SHIFT)));
324 radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
325 radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
326 radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
327 radeon_ring_write(ring,
328 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
329 radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
330 radeon_ring_write(ring,
331 R300_GEOMETRY_ROUND_NEAREST |
332 R300_COLOR_ROUND_NEAREST);
333 radeon_ring_unlock_commit(rdev, ring, false);
334 }
335
r300_errata(struct radeon_device * rdev)336 static void r300_errata(struct radeon_device *rdev)
337 {
338 rdev->pll_errata = 0;
339
340 if (rdev->family == CHIP_R300 &&
341 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
342 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
343 }
344 }
345
r300_mc_wait_for_idle(struct radeon_device * rdev)346 int r300_mc_wait_for_idle(struct radeon_device *rdev)
347 {
348 unsigned i;
349 uint32_t tmp;
350
351 for (i = 0; i < rdev->usec_timeout; i++) {
352 /* read MC_STATUS */
353 tmp = RREG32(RADEON_MC_STATUS);
354 if (tmp & R300_MC_IDLE) {
355 return 0;
356 }
357 udelay(1);
358 }
359 return -1;
360 }
361
r300_gpu_init(struct radeon_device * rdev)362 static void r300_gpu_init(struct radeon_device *rdev)
363 {
364 uint32_t gb_tile_config, tmp;
365
366 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
367 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
368 /* r300,r350 */
369 rdev->num_gb_pipes = 2;
370 } else {
371 /* rv350,rv370,rv380,r300 AD, r350 AH */
372 rdev->num_gb_pipes = 1;
373 }
374 rdev->num_z_pipes = 1;
375 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
376 switch (rdev->num_gb_pipes) {
377 case 2:
378 gb_tile_config |= R300_PIPE_COUNT_R300;
379 break;
380 case 3:
381 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
382 break;
383 case 4:
384 gb_tile_config |= R300_PIPE_COUNT_R420;
385 break;
386 default:
387 case 1:
388 gb_tile_config |= R300_PIPE_COUNT_RV350;
389 break;
390 }
391 WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
392
393 if (r100_gui_wait_for_idle(rdev)) {
394 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
395 }
396
397 tmp = RREG32(R300_DST_PIPE_CONFIG);
398 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
399
400 WREG32(R300_RB2D_DSTCACHE_MODE,
401 R300_DC_AUTOFLUSH_ENABLE |
402 R300_DC_DC_DISABLE_IGNORE_PE);
403
404 if (r100_gui_wait_for_idle(rdev)) {
405 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
406 }
407 if (r300_mc_wait_for_idle(rdev)) {
408 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
409 }
410 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
411 rdev->num_gb_pipes, rdev->num_z_pipes);
412 }
413
r300_asic_reset(struct radeon_device * rdev,bool hard)414 int r300_asic_reset(struct radeon_device *rdev, bool hard)
415 {
416 struct r100_mc_save save;
417 u32 status, tmp;
418 int ret = 0;
419
420 status = RREG32(R_000E40_RBBM_STATUS);
421 if (!G_000E40_GUI_ACTIVE(status)) {
422 return 0;
423 }
424 r100_mc_stop(rdev, &save);
425 status = RREG32(R_000E40_RBBM_STATUS);
426 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
427 /* stop CP */
428 WREG32(RADEON_CP_CSQ_CNTL, 0);
429 tmp = RREG32(RADEON_CP_RB_CNTL);
430 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
431 WREG32(RADEON_CP_RB_RPTR_WR, 0);
432 WREG32(RADEON_CP_RB_WPTR, 0);
433 WREG32(RADEON_CP_RB_CNTL, tmp);
434 /* save PCI state */
435 pci_save_state(rdev->pdev);
436 /* disable bus mastering */
437 r100_bm_disable(rdev);
438 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
439 S_0000F0_SOFT_RESET_GA(1));
440 RREG32(R_0000F0_RBBM_SOFT_RESET);
441 mdelay(500);
442 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
443 mdelay(1);
444 status = RREG32(R_000E40_RBBM_STATUS);
445 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
446 /* resetting the CP seems to be problematic sometimes it end up
447 * hard locking the computer, but it's necessary for successful
448 * reset more test & playing is needed on R3XX/R4XX to find a
449 * reliable (if any solution)
450 */
451 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
452 RREG32(R_0000F0_RBBM_SOFT_RESET);
453 mdelay(500);
454 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
455 mdelay(1);
456 status = RREG32(R_000E40_RBBM_STATUS);
457 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
458 /* restore PCI & busmastering */
459 pci_restore_state(rdev->pdev);
460 r100_enable_bm(rdev);
461 /* Check if GPU is idle */
462 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
463 dev_err(rdev->dev, "failed to reset GPU\n");
464 ret = -1;
465 } else
466 dev_info(rdev->dev, "GPU reset succeed\n");
467 r100_mc_resume(rdev, &save);
468 return ret;
469 }
470
471 /*
472 * r300,r350,rv350,rv380 VRAM info
473 */
r300_mc_init(struct radeon_device * rdev)474 void r300_mc_init(struct radeon_device *rdev)
475 {
476 u64 base;
477 u32 tmp;
478
479 /* DDR for all card after R300 & IGP */
480 rdev->mc.vram_is_ddr = true;
481 tmp = RREG32(RADEON_MEM_CNTL);
482 tmp &= R300_MEM_NUM_CHANNELS_MASK;
483 switch (tmp) {
484 case 0: rdev->mc.vram_width = 64; break;
485 case 1: rdev->mc.vram_width = 128; break;
486 case 2: rdev->mc.vram_width = 256; break;
487 default: rdev->mc.vram_width = 128; break;
488 }
489 r100_vram_init_sizes(rdev);
490 base = rdev->mc.aper_base;
491 if (rdev->flags & RADEON_IS_IGP)
492 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
493 radeon_vram_location(rdev, &rdev->mc, base);
494 rdev->mc.gtt_base_align = 0;
495 if (!(rdev->flags & RADEON_IS_AGP))
496 radeon_gtt_location(rdev, &rdev->mc);
497 radeon_update_bandwidth_info(rdev);
498 }
499
rv370_set_pcie_lanes(struct radeon_device * rdev,int lanes)500 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
501 {
502 uint32_t link_width_cntl, mask;
503
504 if (rdev->flags & RADEON_IS_IGP)
505 return;
506
507 if (!(rdev->flags & RADEON_IS_PCIE))
508 return;
509
510 /* FIXME wait for idle */
511
512 switch (lanes) {
513 case 0:
514 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
515 break;
516 case 1:
517 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
518 break;
519 case 2:
520 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
521 break;
522 case 4:
523 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
524 break;
525 case 8:
526 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
527 break;
528 case 12:
529 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
530 break;
531 case 16:
532 default:
533 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
534 break;
535 }
536
537 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
538
539 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
540 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
541 return;
542
543 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
544 RADEON_PCIE_LC_RECONFIG_NOW |
545 RADEON_PCIE_LC_RECONFIG_LATER |
546 RADEON_PCIE_LC_SHORT_RECONFIG_EN);
547 link_width_cntl |= mask;
548 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
549 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
550 RADEON_PCIE_LC_RECONFIG_NOW));
551
552 /* wait for lane set to complete */
553 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
554 while (link_width_cntl == 0xffffffff)
555 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
556
557 }
558
rv370_get_pcie_lanes(struct radeon_device * rdev)559 int rv370_get_pcie_lanes(struct radeon_device *rdev)
560 {
561 u32 link_width_cntl;
562
563 if (rdev->flags & RADEON_IS_IGP)
564 return 0;
565
566 if (!(rdev->flags & RADEON_IS_PCIE))
567 return 0;
568
569 /* FIXME wait for idle */
570
571 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
572
573 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
574 case RADEON_PCIE_LC_LINK_WIDTH_X0:
575 return 0;
576 case RADEON_PCIE_LC_LINK_WIDTH_X1:
577 return 1;
578 case RADEON_PCIE_LC_LINK_WIDTH_X2:
579 return 2;
580 case RADEON_PCIE_LC_LINK_WIDTH_X4:
581 return 4;
582 case RADEON_PCIE_LC_LINK_WIDTH_X8:
583 return 8;
584 case RADEON_PCIE_LC_LINK_WIDTH_X16:
585 default:
586 return 16;
587 }
588 }
589
590 #if defined(CONFIG_DEBUG_FS)
rv370_debugfs_pcie_gart_info_show(struct seq_file * m,void * unused)591 static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
592 {
593 struct radeon_device *rdev = (struct radeon_device *)m->private;
594 uint32_t tmp;
595
596 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
597 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
598 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
599 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
600 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
601 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
602 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
603 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
604 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
605 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
606 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
607 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
608 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
609 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
610 return 0;
611 }
612
613 DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
614 #endif
615
rv370_debugfs_pcie_gart_info_init(struct radeon_device * rdev)616 static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
617 {
618 #if defined(CONFIG_DEBUG_FS)
619 struct dentry *root = rdev->ddev->primary->debugfs_root;
620
621 debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
622 &rv370_debugfs_pcie_gart_info_fops);
623 #endif
624 }
625
r300_packet0_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,unsigned idx,unsigned reg)626 static int r300_packet0_check(struct radeon_cs_parser *p,
627 struct radeon_cs_packet *pkt,
628 unsigned idx, unsigned reg)
629 {
630 struct radeon_bo_list *reloc;
631 struct r100_cs_track *track;
632 volatile uint32_t *ib;
633 uint32_t tmp, tile_flags = 0;
634 unsigned i;
635 int r;
636 u32 idx_value;
637
638 ib = p->ib.ptr;
639 track = (struct r100_cs_track *)p->track;
640 idx_value = radeon_get_ib_value(p, idx);
641
642 switch(reg) {
643 case AVIVO_D1MODE_VLINE_START_END:
644 case RADEON_CRTC_GUI_TRIG_VLINE:
645 r = r100_cs_packet_parse_vline(p);
646 if (r) {
647 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
648 idx, reg);
649 radeon_cs_dump_packet(p, pkt);
650 return r;
651 }
652 break;
653 case RADEON_DST_PITCH_OFFSET:
654 case RADEON_SRC_PITCH_OFFSET:
655 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
656 if (r)
657 return r;
658 break;
659 case R300_RB3D_COLOROFFSET0:
660 case R300_RB3D_COLOROFFSET1:
661 case R300_RB3D_COLOROFFSET2:
662 case R300_RB3D_COLOROFFSET3:
663 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
664 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
665 if (r) {
666 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
667 idx, reg);
668 radeon_cs_dump_packet(p, pkt);
669 return r;
670 }
671 track->cb[i].robj = reloc->robj;
672 track->cb[i].offset = idx_value;
673 track->cb_dirty = true;
674 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
675 break;
676 case R300_ZB_DEPTHOFFSET:
677 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
678 if (r) {
679 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
680 idx, reg);
681 radeon_cs_dump_packet(p, pkt);
682 return r;
683 }
684 track->zb.robj = reloc->robj;
685 track->zb.offset = idx_value;
686 track->zb_dirty = true;
687 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
688 break;
689 case R300_TX_OFFSET_0:
690 case R300_TX_OFFSET_0+4:
691 case R300_TX_OFFSET_0+8:
692 case R300_TX_OFFSET_0+12:
693 case R300_TX_OFFSET_0+16:
694 case R300_TX_OFFSET_0+20:
695 case R300_TX_OFFSET_0+24:
696 case R300_TX_OFFSET_0+28:
697 case R300_TX_OFFSET_0+32:
698 case R300_TX_OFFSET_0+36:
699 case R300_TX_OFFSET_0+40:
700 case R300_TX_OFFSET_0+44:
701 case R300_TX_OFFSET_0+48:
702 case R300_TX_OFFSET_0+52:
703 case R300_TX_OFFSET_0+56:
704 case R300_TX_OFFSET_0+60:
705 i = (reg - R300_TX_OFFSET_0) >> 2;
706 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
707 if (r) {
708 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
709 idx, reg);
710 radeon_cs_dump_packet(p, pkt);
711 return r;
712 }
713
714 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
715 ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
716 ((idx_value & ~31) + (u32)reloc->gpu_offset);
717 } else {
718 if (reloc->tiling_flags & RADEON_TILING_MACRO)
719 tile_flags |= R300_TXO_MACRO_TILE;
720 if (reloc->tiling_flags & RADEON_TILING_MICRO)
721 tile_flags |= R300_TXO_MICRO_TILE;
722 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
723 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
724
725 tmp = idx_value + ((u32)reloc->gpu_offset);
726 tmp |= tile_flags;
727 ib[idx] = tmp;
728 }
729 track->textures[i].robj = reloc->robj;
730 track->tex_dirty = true;
731 break;
732 /* Tracked registers */
733 case 0x2084:
734 /* VAP_VF_CNTL */
735 track->vap_vf_cntl = idx_value;
736 break;
737 case 0x20B4:
738 /* VAP_VTX_SIZE */
739 track->vtx_size = idx_value & 0x7F;
740 break;
741 case 0x2134:
742 /* VAP_VF_MAX_VTX_INDX */
743 track->max_indx = idx_value & 0x00FFFFFFUL;
744 break;
745 case 0x2088:
746 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
747 if (p->rdev->family < CHIP_RV515)
748 goto fail;
749 track->vap_alt_nverts = idx_value & 0xFFFFFF;
750 break;
751 case 0x43E4:
752 /* SC_SCISSOR1 */
753 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
754 if (p->rdev->family < CHIP_RV515) {
755 track->maxy -= 1440;
756 }
757 track->cb_dirty = true;
758 track->zb_dirty = true;
759 break;
760 case 0x4E00:
761 /* RB3D_CCTL */
762 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
763 p->rdev->cmask_filp != p->filp) {
764 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
765 return -EINVAL;
766 }
767 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
768 track->cb_dirty = true;
769 break;
770 case 0x4E38:
771 case 0x4E3C:
772 case 0x4E40:
773 case 0x4E44:
774 /* RB3D_COLORPITCH0 */
775 /* RB3D_COLORPITCH1 */
776 /* RB3D_COLORPITCH2 */
777 /* RB3D_COLORPITCH3 */
778 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
779 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
780 if (r) {
781 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
782 idx, reg);
783 radeon_cs_dump_packet(p, pkt);
784 return r;
785 }
786
787 if (reloc->tiling_flags & RADEON_TILING_MACRO)
788 tile_flags |= R300_COLOR_TILE_ENABLE;
789 if (reloc->tiling_flags & RADEON_TILING_MICRO)
790 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
791 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
792 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
793
794 tmp = idx_value & ~(0x7 << 16);
795 tmp |= tile_flags;
796 ib[idx] = tmp;
797 }
798 i = (reg - 0x4E38) >> 2;
799 track->cb[i].pitch = idx_value & 0x3FFE;
800 switch (((idx_value >> 21) & 0xF)) {
801 case 9:
802 case 11:
803 case 12:
804 track->cb[i].cpp = 1;
805 break;
806 case 3:
807 case 4:
808 case 13:
809 case 15:
810 track->cb[i].cpp = 2;
811 break;
812 case 5:
813 if (p->rdev->family < CHIP_RV515) {
814 DRM_ERROR("Invalid color buffer format (%d)!\n",
815 ((idx_value >> 21) & 0xF));
816 return -EINVAL;
817 }
818 fallthrough;
819 case 6:
820 track->cb[i].cpp = 4;
821 break;
822 case 10:
823 track->cb[i].cpp = 8;
824 break;
825 case 7:
826 track->cb[i].cpp = 16;
827 break;
828 default:
829 DRM_ERROR("Invalid color buffer format (%d) !\n",
830 ((idx_value >> 21) & 0xF));
831 return -EINVAL;
832 }
833 track->cb_dirty = true;
834 break;
835 case 0x4F00:
836 /* ZB_CNTL */
837 if (idx_value & 2) {
838 track->z_enabled = true;
839 } else {
840 track->z_enabled = false;
841 }
842 track->zb_dirty = true;
843 break;
844 case 0x4F10:
845 /* ZB_FORMAT */
846 switch ((idx_value & 0xF)) {
847 case 0:
848 case 1:
849 track->zb.cpp = 2;
850 break;
851 case 2:
852 track->zb.cpp = 4;
853 break;
854 default:
855 DRM_ERROR("Invalid z buffer format (%d) !\n",
856 (idx_value & 0xF));
857 return -EINVAL;
858 }
859 track->zb_dirty = true;
860 break;
861 case 0x4F24:
862 /* ZB_DEPTHPITCH */
863 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
864 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
865 if (r) {
866 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
867 idx, reg);
868 radeon_cs_dump_packet(p, pkt);
869 return r;
870 }
871
872 if (reloc->tiling_flags & RADEON_TILING_MACRO)
873 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
874 if (reloc->tiling_flags & RADEON_TILING_MICRO)
875 tile_flags |= R300_DEPTHMICROTILE_TILED;
876 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
877 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
878
879 tmp = idx_value & ~(0x7 << 16);
880 tmp |= tile_flags;
881 ib[idx] = tmp;
882 }
883 track->zb.pitch = idx_value & 0x3FFC;
884 track->zb_dirty = true;
885 break;
886 case 0x4104:
887 /* TX_ENABLE */
888 for (i = 0; i < 16; i++) {
889 bool enabled;
890
891 enabled = !!(idx_value & (1 << i));
892 track->textures[i].enabled = enabled;
893 }
894 track->tex_dirty = true;
895 break;
896 case 0x44C0:
897 case 0x44C4:
898 case 0x44C8:
899 case 0x44CC:
900 case 0x44D0:
901 case 0x44D4:
902 case 0x44D8:
903 case 0x44DC:
904 case 0x44E0:
905 case 0x44E4:
906 case 0x44E8:
907 case 0x44EC:
908 case 0x44F0:
909 case 0x44F4:
910 case 0x44F8:
911 case 0x44FC:
912 /* TX_FORMAT1_[0-15] */
913 i = (reg - 0x44C0) >> 2;
914 tmp = (idx_value >> 25) & 0x3;
915 track->textures[i].tex_coord_type = tmp;
916 switch ((idx_value & 0x1F)) {
917 case R300_TX_FORMAT_X8:
918 case R300_TX_FORMAT_Y4X4:
919 case R300_TX_FORMAT_Z3Y3X2:
920 track->textures[i].cpp = 1;
921 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
922 break;
923 case R300_TX_FORMAT_X16:
924 case R300_TX_FORMAT_FL_I16:
925 case R300_TX_FORMAT_Y8X8:
926 case R300_TX_FORMAT_Z5Y6X5:
927 case R300_TX_FORMAT_Z6Y5X5:
928 case R300_TX_FORMAT_W4Z4Y4X4:
929 case R300_TX_FORMAT_W1Z5Y5X5:
930 case R300_TX_FORMAT_D3DMFT_CxV8U8:
931 case R300_TX_FORMAT_B8G8_B8G8:
932 case R300_TX_FORMAT_G8R8_G8B8:
933 track->textures[i].cpp = 2;
934 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
935 break;
936 case R300_TX_FORMAT_Y16X16:
937 case R300_TX_FORMAT_FL_I16A16:
938 case R300_TX_FORMAT_Z11Y11X10:
939 case R300_TX_FORMAT_Z10Y11X11:
940 case R300_TX_FORMAT_W8Z8Y8X8:
941 case R300_TX_FORMAT_W2Z10Y10X10:
942 case 0x17:
943 case R300_TX_FORMAT_FL_I32:
944 case 0x1e:
945 track->textures[i].cpp = 4;
946 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
947 break;
948 case R300_TX_FORMAT_W16Z16Y16X16:
949 case R300_TX_FORMAT_FL_R16G16B16A16:
950 case R300_TX_FORMAT_FL_I32A32:
951 track->textures[i].cpp = 8;
952 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
953 break;
954 case R300_TX_FORMAT_FL_R32G32B32A32:
955 track->textures[i].cpp = 16;
956 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
957 break;
958 case R300_TX_FORMAT_DXT1:
959 track->textures[i].cpp = 1;
960 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
961 break;
962 case R300_TX_FORMAT_ATI2N:
963 if (p->rdev->family < CHIP_R420) {
964 DRM_ERROR("Invalid texture format %u\n",
965 (idx_value & 0x1F));
966 return -EINVAL;
967 }
968 /* The same rules apply as for DXT3/5. */
969 fallthrough;
970 case R300_TX_FORMAT_DXT3:
971 case R300_TX_FORMAT_DXT5:
972 track->textures[i].cpp = 1;
973 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
974 break;
975 default:
976 DRM_ERROR("Invalid texture format %u\n",
977 (idx_value & 0x1F));
978 return -EINVAL;
979 }
980 track->tex_dirty = true;
981 break;
982 case 0x4400:
983 case 0x4404:
984 case 0x4408:
985 case 0x440C:
986 case 0x4410:
987 case 0x4414:
988 case 0x4418:
989 case 0x441C:
990 case 0x4420:
991 case 0x4424:
992 case 0x4428:
993 case 0x442C:
994 case 0x4430:
995 case 0x4434:
996 case 0x4438:
997 case 0x443C:
998 /* TX_FILTER0_[0-15] */
999 i = (reg - 0x4400) >> 2;
1000 tmp = idx_value & 0x7;
1001 if (tmp == 2 || tmp == 4 || tmp == 6) {
1002 track->textures[i].roundup_w = false;
1003 }
1004 tmp = (idx_value >> 3) & 0x7;
1005 if (tmp == 2 || tmp == 4 || tmp == 6) {
1006 track->textures[i].roundup_h = false;
1007 }
1008 track->tex_dirty = true;
1009 break;
1010 case 0x4500:
1011 case 0x4504:
1012 case 0x4508:
1013 case 0x450C:
1014 case 0x4510:
1015 case 0x4514:
1016 case 0x4518:
1017 case 0x451C:
1018 case 0x4520:
1019 case 0x4524:
1020 case 0x4528:
1021 case 0x452C:
1022 case 0x4530:
1023 case 0x4534:
1024 case 0x4538:
1025 case 0x453C:
1026 /* TX_FORMAT2_[0-15] */
1027 i = (reg - 0x4500) >> 2;
1028 tmp = idx_value & 0x3FFF;
1029 track->textures[i].pitch = tmp + 1;
1030 if (p->rdev->family >= CHIP_RV515) {
1031 tmp = ((idx_value >> 15) & 1) << 11;
1032 track->textures[i].width_11 = tmp;
1033 tmp = ((idx_value >> 16) & 1) << 11;
1034 track->textures[i].height_11 = tmp;
1035
1036 /* ATI1N */
1037 if (idx_value & (1 << 14)) {
1038 /* The same rules apply as for DXT1. */
1039 track->textures[i].compress_format =
1040 R100_TRACK_COMP_DXT1;
1041 }
1042 } else if (idx_value & (1 << 14)) {
1043 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1044 return -EINVAL;
1045 }
1046 track->tex_dirty = true;
1047 break;
1048 case 0x4480:
1049 case 0x4484:
1050 case 0x4488:
1051 case 0x448C:
1052 case 0x4490:
1053 case 0x4494:
1054 case 0x4498:
1055 case 0x449C:
1056 case 0x44A0:
1057 case 0x44A4:
1058 case 0x44A8:
1059 case 0x44AC:
1060 case 0x44B0:
1061 case 0x44B4:
1062 case 0x44B8:
1063 case 0x44BC:
1064 /* TX_FORMAT0_[0-15] */
1065 i = (reg - 0x4480) >> 2;
1066 tmp = idx_value & 0x7FF;
1067 track->textures[i].width = tmp + 1;
1068 tmp = (idx_value >> 11) & 0x7FF;
1069 track->textures[i].height = tmp + 1;
1070 tmp = (idx_value >> 26) & 0xF;
1071 track->textures[i].num_levels = tmp;
1072 tmp = idx_value & (1 << 31);
1073 track->textures[i].use_pitch = !!tmp;
1074 tmp = (idx_value >> 22) & 0xF;
1075 track->textures[i].txdepth = tmp;
1076 track->tex_dirty = true;
1077 break;
1078 case R300_ZB_ZPASS_ADDR:
1079 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1080 if (r) {
1081 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1082 idx, reg);
1083 radeon_cs_dump_packet(p, pkt);
1084 return r;
1085 }
1086 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1087 break;
1088 case 0x4e0c:
1089 /* RB3D_COLOR_CHANNEL_MASK */
1090 track->color_channel_mask = idx_value;
1091 track->cb_dirty = true;
1092 break;
1093 case 0x43a4:
1094 /* SC_HYPERZ_EN */
1095 /* r300c emits this register - we need to disable hyperz for it
1096 * without complaining */
1097 if (p->rdev->hyperz_filp != p->filp) {
1098 if (idx_value & 0x1)
1099 ib[idx] = idx_value & ~1;
1100 }
1101 break;
1102 case 0x4f1c:
1103 /* ZB_BW_CNTL */
1104 track->zb_cb_clear = !!(idx_value & (1 << 5));
1105 track->cb_dirty = true;
1106 track->zb_dirty = true;
1107 if (p->rdev->hyperz_filp != p->filp) {
1108 if (idx_value & (R300_HIZ_ENABLE |
1109 R300_RD_COMP_ENABLE |
1110 R300_WR_COMP_ENABLE |
1111 R300_FAST_FILL_ENABLE))
1112 goto fail;
1113 }
1114 break;
1115 case 0x4e04:
1116 /* RB3D_BLENDCNTL */
1117 track->blend_read_enable = !!(idx_value & (1 << 2));
1118 track->cb_dirty = true;
1119 break;
1120 case R300_RB3D_AARESOLVE_OFFSET:
1121 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1122 if (r) {
1123 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1124 idx, reg);
1125 radeon_cs_dump_packet(p, pkt);
1126 return r;
1127 }
1128 track->aa.robj = reloc->robj;
1129 track->aa.offset = idx_value;
1130 track->aa_dirty = true;
1131 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1132 break;
1133 case R300_RB3D_AARESOLVE_PITCH:
1134 track->aa.pitch = idx_value & 0x3FFE;
1135 track->aa_dirty = true;
1136 break;
1137 case R300_RB3D_AARESOLVE_CTL:
1138 track->aaresolve = idx_value & 0x1;
1139 track->aa_dirty = true;
1140 break;
1141 case 0x4f30: /* ZB_MASK_OFFSET */
1142 case 0x4f34: /* ZB_ZMASK_PITCH */
1143 case 0x4f44: /* ZB_HIZ_OFFSET */
1144 case 0x4f54: /* ZB_HIZ_PITCH */
1145 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1146 goto fail;
1147 break;
1148 case 0x4028:
1149 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1150 goto fail;
1151 /* GB_Z_PEQ_CONFIG */
1152 if (p->rdev->family >= CHIP_RV350)
1153 break;
1154 goto fail;
1155 break;
1156 case 0x4be8:
1157 /* valid register only on RV530 */
1158 if (p->rdev->family == CHIP_RV530)
1159 break;
1160 fallthrough;
1161 /* fallthrough do not move */
1162 default:
1163 goto fail;
1164 }
1165 return 0;
1166 fail:
1167 pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1168 reg, idx, idx_value);
1169 return -EINVAL;
1170 }
1171
r300_packet3_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt)1172 static int r300_packet3_check(struct radeon_cs_parser *p,
1173 struct radeon_cs_packet *pkt)
1174 {
1175 struct radeon_bo_list *reloc;
1176 struct r100_cs_track *track;
1177 volatile uint32_t *ib;
1178 unsigned idx;
1179 int r;
1180
1181 ib = p->ib.ptr;
1182 idx = pkt->idx + 1;
1183 track = (struct r100_cs_track *)p->track;
1184 switch(pkt->opcode) {
1185 case PACKET3_3D_LOAD_VBPNTR:
1186 r = r100_packet3_load_vbpntr(p, pkt, idx);
1187 if (r)
1188 return r;
1189 break;
1190 case PACKET3_INDX_BUFFER:
1191 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1192 if (r) {
1193 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1194 radeon_cs_dump_packet(p, pkt);
1195 return r;
1196 }
1197 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1198 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1199 if (r) {
1200 return r;
1201 }
1202 break;
1203 /* Draw packet */
1204 case PACKET3_3D_DRAW_IMMD:
1205 /* Number of dwords is vtx_size * (num_vertices - 1)
1206 * PRIM_WALK must be equal to 3 vertex data in embedded
1207 * in cmd stream */
1208 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1209 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1210 return -EINVAL;
1211 }
1212 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1213 track->immd_dwords = pkt->count - 1;
1214 r = r100_cs_track_check(p->rdev, track);
1215 if (r) {
1216 return r;
1217 }
1218 break;
1219 case PACKET3_3D_DRAW_IMMD_2:
1220 /* Number of dwords is vtx_size * (num_vertices - 1)
1221 * PRIM_WALK must be equal to 3 vertex data in embedded
1222 * in cmd stream */
1223 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1224 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1225 return -EINVAL;
1226 }
1227 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1228 track->immd_dwords = pkt->count;
1229 r = r100_cs_track_check(p->rdev, track);
1230 if (r) {
1231 return r;
1232 }
1233 break;
1234 case PACKET3_3D_DRAW_VBUF:
1235 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1236 r = r100_cs_track_check(p->rdev, track);
1237 if (r) {
1238 return r;
1239 }
1240 break;
1241 case PACKET3_3D_DRAW_VBUF_2:
1242 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1243 r = r100_cs_track_check(p->rdev, track);
1244 if (r) {
1245 return r;
1246 }
1247 break;
1248 case PACKET3_3D_DRAW_INDX:
1249 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1250 r = r100_cs_track_check(p->rdev, track);
1251 if (r) {
1252 return r;
1253 }
1254 break;
1255 case PACKET3_3D_DRAW_INDX_2:
1256 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1257 r = r100_cs_track_check(p->rdev, track);
1258 if (r) {
1259 return r;
1260 }
1261 break;
1262 case PACKET3_3D_CLEAR_HIZ:
1263 case PACKET3_3D_CLEAR_ZMASK:
1264 if (p->rdev->hyperz_filp != p->filp)
1265 return -EINVAL;
1266 break;
1267 case PACKET3_3D_CLEAR_CMASK:
1268 if (p->rdev->cmask_filp != p->filp)
1269 return -EINVAL;
1270 break;
1271 case PACKET3_NOP:
1272 break;
1273 default:
1274 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1275 return -EINVAL;
1276 }
1277 return 0;
1278 }
1279
r300_cs_parse(struct radeon_cs_parser * p)1280 int r300_cs_parse(struct radeon_cs_parser *p)
1281 {
1282 struct radeon_cs_packet pkt;
1283 struct r100_cs_track *track;
1284 int r;
1285
1286 track = kzalloc(sizeof(*track), GFP_KERNEL);
1287 if (track == NULL)
1288 return -ENOMEM;
1289 r100_cs_track_clear(p->rdev, track);
1290 p->track = track;
1291 do {
1292 r = radeon_cs_packet_parse(p, &pkt, p->idx);
1293 if (r) {
1294 return r;
1295 }
1296 p->idx += pkt.count + 2;
1297 switch (pkt.type) {
1298 case RADEON_PACKET_TYPE0:
1299 r = r100_cs_parse_packet0(p, &pkt,
1300 p->rdev->config.r300.reg_safe_bm,
1301 p->rdev->config.r300.reg_safe_bm_size,
1302 &r300_packet0_check);
1303 break;
1304 case RADEON_PACKET_TYPE2:
1305 break;
1306 case RADEON_PACKET_TYPE3:
1307 r = r300_packet3_check(p, &pkt);
1308 break;
1309 default:
1310 DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1311 return -EINVAL;
1312 }
1313 if (r) {
1314 return r;
1315 }
1316 } while (p->idx < p->chunk_ib->length_dw);
1317 return 0;
1318 }
1319
r300_set_reg_safe(struct radeon_device * rdev)1320 void r300_set_reg_safe(struct radeon_device *rdev)
1321 {
1322 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1323 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1324 }
1325
r300_mc_program(struct radeon_device * rdev)1326 void r300_mc_program(struct radeon_device *rdev)
1327 {
1328 struct r100_mc_save save;
1329
1330 r100_debugfs_mc_info_init(rdev);
1331
1332 /* Stops all mc clients */
1333 r100_mc_stop(rdev, &save);
1334 if (rdev->flags & RADEON_IS_AGP) {
1335 WREG32(R_00014C_MC_AGP_LOCATION,
1336 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1337 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1338 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1339 WREG32(R_00015C_AGP_BASE_2,
1340 upper_32_bits(rdev->mc.agp_base) & 0xff);
1341 } else {
1342 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1343 WREG32(R_000170_AGP_BASE, 0);
1344 WREG32(R_00015C_AGP_BASE_2, 0);
1345 }
1346 /* Wait for mc idle */
1347 if (r300_mc_wait_for_idle(rdev))
1348 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1349 /* Program MC, should be a 32bits limited address space */
1350 WREG32(R_000148_MC_FB_LOCATION,
1351 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1352 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1353 r100_mc_resume(rdev, &save);
1354 }
1355
r300_clock_startup(struct radeon_device * rdev)1356 void r300_clock_startup(struct radeon_device *rdev)
1357 {
1358 u32 tmp;
1359
1360 if (radeon_dynclks != -1 && radeon_dynclks)
1361 radeon_legacy_set_clock_gating(rdev, 1);
1362 /* We need to force on some of the block */
1363 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1364 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1365 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1366 tmp |= S_00000D_FORCE_VAP(1);
1367 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1368 }
1369
r300_startup(struct radeon_device * rdev)1370 static int r300_startup(struct radeon_device *rdev)
1371 {
1372 int r;
1373
1374 /* set common regs */
1375 r100_set_common_regs(rdev);
1376 /* program mc */
1377 r300_mc_program(rdev);
1378 /* Resume clock */
1379 r300_clock_startup(rdev);
1380 /* Initialize GPU configuration (# pipes, ...) */
1381 r300_gpu_init(rdev);
1382 /* Initialize GART (initialize after TTM so we can allocate
1383 * memory through TTM but finalize after TTM) */
1384 if (rdev->flags & RADEON_IS_PCIE) {
1385 r = rv370_pcie_gart_enable(rdev);
1386 if (r)
1387 return r;
1388 }
1389
1390 if (rdev->family == CHIP_R300 ||
1391 rdev->family == CHIP_R350 ||
1392 rdev->family == CHIP_RV350)
1393 r100_enable_bm(rdev);
1394
1395 if (rdev->flags & RADEON_IS_PCI) {
1396 r = r100_pci_gart_enable(rdev);
1397 if (r)
1398 return r;
1399 }
1400
1401 /* allocate wb buffer */
1402 r = radeon_wb_init(rdev);
1403 if (r)
1404 return r;
1405
1406 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1407 if (r) {
1408 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1409 return r;
1410 }
1411
1412 /* Enable IRQ */
1413 if (!rdev->irq.installed) {
1414 r = radeon_irq_kms_init(rdev);
1415 if (r)
1416 return r;
1417 }
1418
1419 r100_irq_set(rdev);
1420 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1421 /* 1M ring buffer */
1422 r = r100_cp_init(rdev, 1024 * 1024);
1423 if (r) {
1424 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1425 return r;
1426 }
1427
1428 r = radeon_ib_pool_init(rdev);
1429 if (r) {
1430 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1431 return r;
1432 }
1433
1434 return 0;
1435 }
1436
r300_resume(struct radeon_device * rdev)1437 int r300_resume(struct radeon_device *rdev)
1438 {
1439 int r;
1440
1441 /* Make sur GART are not working */
1442 if (rdev->flags & RADEON_IS_PCIE)
1443 rv370_pcie_gart_disable(rdev);
1444 if (rdev->flags & RADEON_IS_PCI)
1445 r100_pci_gart_disable(rdev);
1446 /* Resume clock before doing reset */
1447 r300_clock_startup(rdev);
1448 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1449 if (radeon_asic_reset(rdev)) {
1450 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1451 RREG32(R_000E40_RBBM_STATUS),
1452 RREG32(R_0007C0_CP_STAT));
1453 }
1454 /* post */
1455 radeon_combios_asic_init(rdev->ddev);
1456 /* Resume clock after posting */
1457 r300_clock_startup(rdev);
1458 /* Initialize surface registers */
1459 radeon_surface_init(rdev);
1460
1461 rdev->accel_working = true;
1462 r = r300_startup(rdev);
1463 if (r) {
1464 rdev->accel_working = false;
1465 }
1466 return r;
1467 }
1468
r300_suspend(struct radeon_device * rdev)1469 int r300_suspend(struct radeon_device *rdev)
1470 {
1471 radeon_pm_suspend(rdev);
1472 r100_cp_disable(rdev);
1473 radeon_wb_disable(rdev);
1474 r100_irq_disable(rdev);
1475 if (rdev->flags & RADEON_IS_PCIE)
1476 rv370_pcie_gart_disable(rdev);
1477 if (rdev->flags & RADEON_IS_PCI)
1478 r100_pci_gart_disable(rdev);
1479 return 0;
1480 }
1481
r300_fini(struct radeon_device * rdev)1482 void r300_fini(struct radeon_device *rdev)
1483 {
1484 radeon_pm_fini(rdev);
1485 r100_cp_fini(rdev);
1486 radeon_wb_fini(rdev);
1487 radeon_ib_pool_fini(rdev);
1488 radeon_gem_fini(rdev);
1489 if (rdev->flags & RADEON_IS_PCIE)
1490 rv370_pcie_gart_fini(rdev);
1491 if (rdev->flags & RADEON_IS_PCI)
1492 r100_pci_gart_fini(rdev);
1493 radeon_agp_fini(rdev);
1494 radeon_irq_kms_fini(rdev);
1495 radeon_fence_driver_fini(rdev);
1496 radeon_bo_fini(rdev);
1497 radeon_atombios_fini(rdev);
1498 kfree(rdev->bios);
1499 rdev->bios = NULL;
1500 }
1501
r300_init(struct radeon_device * rdev)1502 int r300_init(struct radeon_device *rdev)
1503 {
1504 int r;
1505
1506 /* Disable VGA */
1507 r100_vga_render_disable(rdev);
1508 /* Initialize scratch registers */
1509 radeon_scratch_init(rdev);
1510 /* Initialize surface registers */
1511 radeon_surface_init(rdev);
1512 /* TODO: disable VGA need to use VGA request */
1513 /* restore some register to sane defaults */
1514 r100_restore_sanity(rdev);
1515 /* BIOS*/
1516 if (!radeon_get_bios(rdev)) {
1517 if (ASIC_IS_AVIVO(rdev))
1518 return -EINVAL;
1519 }
1520 if (rdev->is_atom_bios) {
1521 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1522 return -EINVAL;
1523 } else {
1524 r = radeon_combios_init(rdev);
1525 if (r)
1526 return r;
1527 }
1528 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1529 if (radeon_asic_reset(rdev)) {
1530 dev_warn(rdev->dev,
1531 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1532 RREG32(R_000E40_RBBM_STATUS),
1533 RREG32(R_0007C0_CP_STAT));
1534 }
1535 /* check if cards are posted or not */
1536 if (radeon_boot_test_post_card(rdev) == false)
1537 return -EINVAL;
1538 /* Set asic errata */
1539 r300_errata(rdev);
1540 /* Initialize clocks */
1541 radeon_get_clock_info(rdev->ddev);
1542 /* initialize AGP */
1543 if (rdev->flags & RADEON_IS_AGP) {
1544 r = radeon_agp_init(rdev);
1545 if (r) {
1546 radeon_agp_disable(rdev);
1547 }
1548 }
1549 /* initialize memory controller */
1550 r300_mc_init(rdev);
1551 /* Fence driver */
1552 radeon_fence_driver_init(rdev);
1553 /* Memory manager */
1554 r = radeon_bo_init(rdev);
1555 if (r)
1556 return r;
1557 if (rdev->flags & RADEON_IS_PCIE) {
1558 r = rv370_pcie_gart_init(rdev);
1559 if (r)
1560 return r;
1561 }
1562 if (rdev->flags & RADEON_IS_PCI) {
1563 r = r100_pci_gart_init(rdev);
1564 if (r)
1565 return r;
1566 }
1567 r300_set_reg_safe(rdev);
1568
1569 /* Initialize power management */
1570 radeon_pm_init(rdev);
1571
1572 rdev->accel_working = true;
1573 r = r300_startup(rdev);
1574 if (r) {
1575 /* Something went wrong with the accel init, so stop accel */
1576 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1577 r100_cp_fini(rdev);
1578 radeon_wb_fini(rdev);
1579 radeon_ib_pool_fini(rdev);
1580 radeon_irq_kms_fini(rdev);
1581 if (rdev->flags & RADEON_IS_PCIE)
1582 rv370_pcie_gart_fini(rdev);
1583 if (rdev->flags & RADEON_IS_PCI)
1584 r100_pci_gart_fini(rdev);
1585 radeon_agp_fini(rdev);
1586 rdev->accel_working = false;
1587 }
1588 return 0;
1589 }
1590