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/debugfs.h>
30#include <linux/pci.h>
31#include <linux/seq_file.h>
32#include <linux/slab.h>
33
34#include <drm/drm.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 */
60uint32_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(lock: &rdev->pcie_idx_lock, flags);
69 return r;
70}
71
72void 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(lock: &rdev->pcie_idx_lock, flags);
80}
81
82/*
83 * rv370,rv380 PCIE GART
84 */
85static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
86
87void 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
106uint64_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
119void 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(val: entry, addr: ((void __iomem *)ptr) + (i * 4));
128}
129
130int 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
151int 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
191void 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
205void 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
212void 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, v: 0);
222 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
223 radeon_ring_write(ring, v: 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, v: (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, v: 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, v: 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, v: fence->seq);
242 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
243 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
244}
245
246void 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, cp: ring, ndw: 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, v: 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, v: 0);
289 radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
290 radeon_ring_write(ring, v: 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, v: 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 v: ((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 v: ((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, cp: ring, hdp_flush: false);
334}
335
336static 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
346int 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(usec: 1);
358 }
359 return -1;
360}
361
362/* rs400_gpu_init also calls this! */
363void r300_gpu_init(struct radeon_device *rdev)
364{
365 uint32_t gb_tile_config, tmp;
366
367 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
368 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
369 /* r300,r350 */
370 rdev->num_gb_pipes = 2;
371 } else {
372 /* rv350,rv370,rv380,r300 AD, r350 AH */
373 rdev->num_gb_pipes = 1;
374 }
375 rdev->num_z_pipes = 1;
376 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
377 switch (rdev->num_gb_pipes) {
378 case 2:
379 gb_tile_config |= R300_PIPE_COUNT_R300;
380 break;
381 case 3:
382 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
383 break;
384 case 4:
385 gb_tile_config |= R300_PIPE_COUNT_R420;
386 break;
387 default:
388 case 1:
389 gb_tile_config |= R300_PIPE_COUNT_RV350;
390 break;
391 }
392 WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
393
394 if (r100_gui_wait_for_idle(rdev)) {
395 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
396 }
397
398 tmp = RREG32(R300_DST_PIPE_CONFIG);
399 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
400
401 WREG32(R300_RB2D_DSTCACHE_MODE,
402 R300_DC_AUTOFLUSH_ENABLE |
403 R300_DC_DC_DISABLE_IGNORE_PE);
404
405 if (r100_gui_wait_for_idle(rdev)) {
406 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
407 }
408 if (r300_mc_wait_for_idle(rdev)) {
409 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
410 }
411 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
412 rdev->num_gb_pipes, rdev->num_z_pipes);
413}
414
415int r300_asic_reset(struct radeon_device *rdev, bool hard)
416{
417 struct r100_mc_save save;
418 u32 status, tmp;
419 int ret = 0;
420
421 status = RREG32(R_000E40_RBBM_STATUS);
422 if (!G_000E40_GUI_ACTIVE(status)) {
423 return 0;
424 }
425 r100_mc_stop(rdev, save: &save);
426 status = RREG32(R_000E40_RBBM_STATUS);
427 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
428 /* stop CP */
429 WREG32(RADEON_CP_CSQ_CNTL, 0);
430 tmp = RREG32(RADEON_CP_RB_CNTL);
431 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
432 WREG32(RADEON_CP_RB_RPTR_WR, 0);
433 WREG32(RADEON_CP_RB_WPTR, 0);
434 WREG32(RADEON_CP_RB_CNTL, tmp);
435 /* save PCI state */
436 pci_save_state(dev: rdev->pdev);
437 /* disable bus mastering */
438 r100_bm_disable(rdev);
439 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
440 S_0000F0_SOFT_RESET_GA(1));
441 RREG32(R_0000F0_RBBM_SOFT_RESET);
442 mdelay(500);
443 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
444 mdelay(1);
445 status = RREG32(R_000E40_RBBM_STATUS);
446 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
447 /* resetting the CP seems to be problematic sometimes it end up
448 * hard locking the computer, but it's necessary for successful
449 * reset more test & playing is needed on R3XX/R4XX to find a
450 * reliable (if any solution)
451 */
452 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
453 RREG32(R_0000F0_RBBM_SOFT_RESET);
454 mdelay(500);
455 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
456 mdelay(1);
457 status = RREG32(R_000E40_RBBM_STATUS);
458 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
459 /* restore PCI & busmastering */
460 pci_restore_state(dev: rdev->pdev);
461 r100_enable_bm(rdev);
462 /* Check if GPU is idle */
463 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
464 dev_err(rdev->dev, "failed to reset GPU\n");
465 ret = -1;
466 } else
467 dev_info(rdev->dev, "GPU reset succeed\n");
468 r100_mc_resume(rdev, save: &save);
469 return ret;
470}
471
472/*
473 * r300,r350,rv350,rv380 VRAM info
474 */
475void r300_mc_init(struct radeon_device *rdev)
476{
477 u64 base;
478 u32 tmp;
479
480 /* DDR for all card after R300 & IGP */
481 rdev->mc.vram_is_ddr = true;
482 tmp = RREG32(RADEON_MEM_CNTL);
483 tmp &= R300_MEM_NUM_CHANNELS_MASK;
484 switch (tmp) {
485 case 0: rdev->mc.vram_width = 64; break;
486 case 1: rdev->mc.vram_width = 128; break;
487 case 2: rdev->mc.vram_width = 256; break;
488 default: rdev->mc.vram_width = 128; break;
489 }
490 r100_vram_init_sizes(rdev);
491 base = rdev->mc.aper_base;
492 if (rdev->flags & RADEON_IS_IGP)
493 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
494 radeon_vram_location(rdev, mc: &rdev->mc, base);
495 rdev->mc.gtt_base_align = 0;
496 if (!(rdev->flags & RADEON_IS_AGP))
497 radeon_gtt_location(rdev, mc: &rdev->mc);
498 radeon_update_bandwidth_info(rdev);
499}
500
501void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
502{
503 uint32_t link_width_cntl, mask;
504
505 if (rdev->flags & RADEON_IS_IGP)
506 return;
507
508 if (!(rdev->flags & RADEON_IS_PCIE))
509 return;
510
511 /* FIXME wait for idle */
512
513 switch (lanes) {
514 case 0:
515 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
516 break;
517 case 1:
518 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
519 break;
520 case 2:
521 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
522 break;
523 case 4:
524 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
525 break;
526 case 8:
527 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
528 break;
529 case 12:
530 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
531 break;
532 case 16:
533 default:
534 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
535 break;
536 }
537
538 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
539
540 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
541 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
542 return;
543
544 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
545 RADEON_PCIE_LC_RECONFIG_NOW |
546 RADEON_PCIE_LC_RECONFIG_LATER |
547 RADEON_PCIE_LC_SHORT_RECONFIG_EN);
548 link_width_cntl |= mask;
549 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
550 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
551 RADEON_PCIE_LC_RECONFIG_NOW));
552
553 /* wait for lane set to complete */
554 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
555 while (link_width_cntl == 0xffffffff)
556 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
557
558}
559
560int rv370_get_pcie_lanes(struct radeon_device *rdev)
561{
562 u32 link_width_cntl;
563
564 if (rdev->flags & RADEON_IS_IGP)
565 return 0;
566
567 if (!(rdev->flags & RADEON_IS_PCIE))
568 return 0;
569
570 /* FIXME wait for idle */
571
572 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
573
574 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
575 case RADEON_PCIE_LC_LINK_WIDTH_X0:
576 return 0;
577 case RADEON_PCIE_LC_LINK_WIDTH_X1:
578 return 1;
579 case RADEON_PCIE_LC_LINK_WIDTH_X2:
580 return 2;
581 case RADEON_PCIE_LC_LINK_WIDTH_X4:
582 return 4;
583 case RADEON_PCIE_LC_LINK_WIDTH_X8:
584 return 8;
585 case RADEON_PCIE_LC_LINK_WIDTH_X16:
586 default:
587 return 16;
588 }
589}
590
591#if defined(CONFIG_DEBUG_FS)
592static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
593{
594 struct radeon_device *rdev = m->private;
595 uint32_t tmp;
596
597 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
598 seq_printf(m, fmt: "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
599 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
600 seq_printf(m, fmt: "PCIE_TX_GART_BASE 0x%08x\n", tmp);
601 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
602 seq_printf(m, fmt: "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
603 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
604 seq_printf(m, fmt: "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
605 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
606 seq_printf(m, fmt: "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
607 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
608 seq_printf(m, fmt: "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
609 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
610 seq_printf(m, fmt: "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
611 return 0;
612}
613
614DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
615#endif
616
617static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
618{
619#if defined(CONFIG_DEBUG_FS)
620 struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
621
622 debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
623 &rv370_debugfs_pcie_gart_info_fops);
624#endif
625}
626
627static int r300_packet0_check(struct radeon_cs_parser *p,
628 struct radeon_cs_packet *pkt,
629 unsigned idx, unsigned reg)
630{
631 struct radeon_bo_list *reloc;
632 struct r100_cs_track *track;
633 volatile uint32_t *ib;
634 uint32_t tmp, tile_flags = 0;
635 unsigned i;
636 int r;
637 u32 idx_value;
638
639 ib = p->ib.ptr;
640 track = (struct r100_cs_track *)p->track;
641 idx_value = radeon_get_ib_value(p, idx);
642
643 switch (reg) {
644 case AVIVO_D1MODE_VLINE_START_END:
645 case RADEON_CRTC_GUI_TRIG_VLINE:
646 r = r100_cs_packet_parse_vline(p);
647 if (r) {
648 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
649 idx, reg);
650 radeon_cs_dump_packet(p, pkt);
651 return r;
652 }
653 break;
654 case RADEON_DST_PITCH_OFFSET:
655 case RADEON_SRC_PITCH_OFFSET:
656 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
657 if (r)
658 return r;
659 break;
660 case R300_RB3D_COLOROFFSET0:
661 case R300_RB3D_COLOROFFSET1:
662 case R300_RB3D_COLOROFFSET2:
663 case R300_RB3D_COLOROFFSET3:
664 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
665 r = radeon_cs_packet_next_reloc(p, cs_reloc: &reloc, nomm: 0);
666 if (r) {
667 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
668 idx, reg);
669 radeon_cs_dump_packet(p, pkt);
670 return r;
671 }
672 track->cb[i].robj = reloc->robj;
673 track->cb[i].offset = idx_value;
674 track->cb_dirty = true;
675 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
676 break;
677 case R300_ZB_DEPTHOFFSET:
678 r = radeon_cs_packet_next_reloc(p, cs_reloc: &reloc, nomm: 0);
679 if (r) {
680 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
681 idx, reg);
682 radeon_cs_dump_packet(p, pkt);
683 return r;
684 }
685 track->zb.robj = reloc->robj;
686 track->zb.offset = idx_value;
687 track->zb_dirty = true;
688 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
689 break;
690 case R300_TX_OFFSET_0:
691 case R300_TX_OFFSET_0+4:
692 case R300_TX_OFFSET_0+8:
693 case R300_TX_OFFSET_0+12:
694 case R300_TX_OFFSET_0+16:
695 case R300_TX_OFFSET_0+20:
696 case R300_TX_OFFSET_0+24:
697 case R300_TX_OFFSET_0+28:
698 case R300_TX_OFFSET_0+32:
699 case R300_TX_OFFSET_0+36:
700 case R300_TX_OFFSET_0+40:
701 case R300_TX_OFFSET_0+44:
702 case R300_TX_OFFSET_0+48:
703 case R300_TX_OFFSET_0+52:
704 case R300_TX_OFFSET_0+56:
705 case R300_TX_OFFSET_0+60:
706 i = (reg - R300_TX_OFFSET_0) >> 2;
707 r = radeon_cs_packet_next_reloc(p, cs_reloc: &reloc, nomm: 0);
708 if (r) {
709 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
710 idx, reg);
711 radeon_cs_dump_packet(p, pkt);
712 return r;
713 }
714
715 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
716 ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
717 ((idx_value & ~31) + (u32)reloc->gpu_offset);
718 } else {
719 if (reloc->tiling_flags & RADEON_TILING_MACRO)
720 tile_flags |= R300_TXO_MACRO_TILE;
721 if (reloc->tiling_flags & RADEON_TILING_MICRO)
722 tile_flags |= R300_TXO_MICRO_TILE;
723 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
724 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
725
726 tmp = idx_value + ((u32)reloc->gpu_offset);
727 tmp |= tile_flags;
728 ib[idx] = tmp;
729 }
730 track->textures[i].robj = reloc->robj;
731 track->tex_dirty = true;
732 break;
733 /* Tracked registers */
734 case 0x2084:
735 /* VAP_VF_CNTL */
736 track->vap_vf_cntl = idx_value;
737 break;
738 case 0x20B4:
739 /* VAP_VTX_SIZE */
740 track->vtx_size = idx_value & 0x7F;
741 break;
742 case 0x2134:
743 /* VAP_VF_MAX_VTX_INDX */
744 track->max_indx = idx_value & 0x00FFFFFFUL;
745 break;
746 case 0x2088:
747 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
748 if (p->rdev->family < CHIP_RV515)
749 goto fail;
750 track->vap_alt_nverts = idx_value & 0xFFFFFF;
751 break;
752 case 0x43E4:
753 /* SC_SCISSOR1 */
754 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
755 if (p->rdev->family < CHIP_RV515) {
756 track->maxy -= 1440;
757 }
758 track->cb_dirty = true;
759 track->zb_dirty = true;
760 break;
761 case 0x4E00:
762 /* RB3D_CCTL */
763 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
764 p->rdev->cmask_filp != p->filp) {
765 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
766 return -EINVAL;
767 }
768 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
769 track->cb_dirty = true;
770 break;
771 case 0x4E38:
772 case 0x4E3C:
773 case 0x4E40:
774 case 0x4E44:
775 /* RB3D_COLORPITCH0 */
776 /* RB3D_COLORPITCH1 */
777 /* RB3D_COLORPITCH2 */
778 /* RB3D_COLORPITCH3 */
779 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
780 r = radeon_cs_packet_next_reloc(p, cs_reloc: &reloc, nomm: 0);
781 if (r) {
782 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
783 idx, reg);
784 radeon_cs_dump_packet(p, pkt);
785 return r;
786 }
787
788 if (reloc->tiling_flags & RADEON_TILING_MACRO)
789 tile_flags |= R300_COLOR_TILE_ENABLE;
790 if (reloc->tiling_flags & RADEON_TILING_MICRO)
791 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
792 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
793 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
794
795 tmp = idx_value & ~(0x7 << 16);
796 tmp |= tile_flags;
797 ib[idx] = tmp;
798 }
799 i = (reg - 0x4E38) >> 2;
800 track->cb[i].pitch = idx_value & 0x3FFE;
801 switch (((idx_value >> 21) & 0xF)) {
802 case 9:
803 case 11:
804 case 12:
805 track->cb[i].cpp = 1;
806 break;
807 case 3:
808 case 4:
809 case 13:
810 case 15:
811 track->cb[i].cpp = 2;
812 break;
813 case 5:
814 if (p->rdev->family < CHIP_RV515) {
815 DRM_ERROR("Invalid color buffer format (%d)!\n",
816 ((idx_value >> 21) & 0xF));
817 return -EINVAL;
818 }
819 fallthrough;
820 case 6:
821 track->cb[i].cpp = 4;
822 break;
823 case 10:
824 track->cb[i].cpp = 8;
825 break;
826 case 7:
827 track->cb[i].cpp = 16;
828 break;
829 default:
830 DRM_ERROR("Invalid color buffer format (%d) !\n",
831 ((idx_value >> 21) & 0xF));
832 return -EINVAL;
833 }
834 track->cb_dirty = true;
835 break;
836 case 0x4F00:
837 /* ZB_CNTL */
838 if (idx_value & 2) {
839 track->z_enabled = true;
840 } else {
841 track->z_enabled = false;
842 }
843 track->zb_dirty = true;
844 break;
845 case 0x4F10:
846 /* ZB_FORMAT */
847 switch ((idx_value & 0xF)) {
848 case 0:
849 case 1:
850 track->zb.cpp = 2;
851 break;
852 case 2:
853 track->zb.cpp = 4;
854 break;
855 default:
856 DRM_ERROR("Invalid z buffer format (%d) !\n",
857 (idx_value & 0xF));
858 return -EINVAL;
859 }
860 track->zb_dirty = true;
861 break;
862 case 0x4F24:
863 /* ZB_DEPTHPITCH */
864 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
865 r = radeon_cs_packet_next_reloc(p, cs_reloc: &reloc, nomm: 0);
866 if (r) {
867 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
868 idx, reg);
869 radeon_cs_dump_packet(p, pkt);
870 return r;
871 }
872
873 if (reloc->tiling_flags & RADEON_TILING_MACRO)
874 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
875 if (reloc->tiling_flags & RADEON_TILING_MICRO)
876 tile_flags |= R300_DEPTHMICROTILE_TILED;
877 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
878 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
879
880 tmp = idx_value & ~(0x7 << 16);
881 tmp |= tile_flags;
882 ib[idx] = tmp;
883 }
884 track->zb.pitch = idx_value & 0x3FFC;
885 track->zb_dirty = true;
886 break;
887 case 0x4104:
888 /* TX_ENABLE */
889 for (i = 0; i < 16; i++) {
890 bool enabled;
891
892 enabled = !!(idx_value & (1 << i));
893 track->textures[i].enabled = enabled;
894 }
895 track->tex_dirty = true;
896 break;
897 case 0x44C0:
898 case 0x44C4:
899 case 0x44C8:
900 case 0x44CC:
901 case 0x44D0:
902 case 0x44D4:
903 case 0x44D8:
904 case 0x44DC:
905 case 0x44E0:
906 case 0x44E4:
907 case 0x44E8:
908 case 0x44EC:
909 case 0x44F0:
910 case 0x44F4:
911 case 0x44F8:
912 case 0x44FC:
913 /* TX_FORMAT1_[0-15] */
914 i = (reg - 0x44C0) >> 2;
915 tmp = (idx_value >> 25) & 0x3;
916 track->textures[i].tex_coord_type = tmp;
917 switch ((idx_value & 0x1F)) {
918 case R300_TX_FORMAT_X8:
919 case R300_TX_FORMAT_Y4X4:
920 case R300_TX_FORMAT_Z3Y3X2:
921 track->textures[i].cpp = 1;
922 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
923 break;
924 case R300_TX_FORMAT_X16:
925 case R300_TX_FORMAT_FL_I16:
926 case R300_TX_FORMAT_Y8X8:
927 case R300_TX_FORMAT_Z5Y6X5:
928 case R300_TX_FORMAT_Z6Y5X5:
929 case R300_TX_FORMAT_W4Z4Y4X4:
930 case R300_TX_FORMAT_W1Z5Y5X5:
931 case R300_TX_FORMAT_D3DMFT_CxV8U8:
932 case R300_TX_FORMAT_B8G8_B8G8:
933 case R300_TX_FORMAT_G8R8_G8B8:
934 track->textures[i].cpp = 2;
935 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
936 break;
937 case R300_TX_FORMAT_Y16X16:
938 case R300_TX_FORMAT_FL_I16A16:
939 case R300_TX_FORMAT_Z11Y11X10:
940 case R300_TX_FORMAT_Z10Y11X11:
941 case R300_TX_FORMAT_W8Z8Y8X8:
942 case R300_TX_FORMAT_W2Z10Y10X10:
943 case 0x17:
944 case R300_TX_FORMAT_FL_I32:
945 case 0x1e:
946 track->textures[i].cpp = 4;
947 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
948 break;
949 case R300_TX_FORMAT_W16Z16Y16X16:
950 case R300_TX_FORMAT_FL_R16G16B16A16:
951 case R300_TX_FORMAT_FL_I32A32:
952 track->textures[i].cpp = 8;
953 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
954 break;
955 case R300_TX_FORMAT_FL_R32G32B32A32:
956 track->textures[i].cpp = 16;
957 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
958 break;
959 case R300_TX_FORMAT_DXT1:
960 track->textures[i].cpp = 1;
961 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
962 break;
963 case R300_TX_FORMAT_ATI2N:
964 if (p->rdev->family < CHIP_R420) {
965 DRM_ERROR("Invalid texture format %u\n",
966 (idx_value & 0x1F));
967 return -EINVAL;
968 }
969 /* The same rules apply as for DXT3/5. */
970 fallthrough;
971 case R300_TX_FORMAT_DXT3:
972 case R300_TX_FORMAT_DXT5:
973 track->textures[i].cpp = 1;
974 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
975 break;
976 default:
977 DRM_ERROR("Invalid texture format %u\n",
978 (idx_value & 0x1F));
979 return -EINVAL;
980 }
981 track->tex_dirty = true;
982 break;
983 case 0x4400:
984 case 0x4404:
985 case 0x4408:
986 case 0x440C:
987 case 0x4410:
988 case 0x4414:
989 case 0x4418:
990 case 0x441C:
991 case 0x4420:
992 case 0x4424:
993 case 0x4428:
994 case 0x442C:
995 case 0x4430:
996 case 0x4434:
997 case 0x4438:
998 case 0x443C:
999 /* TX_FILTER0_[0-15] */
1000 i = (reg - 0x4400) >> 2;
1001 tmp = idx_value & 0x7;
1002 if (tmp == 2 || tmp == 4 || tmp == 6) {
1003 track->textures[i].roundup_w = false;
1004 }
1005 tmp = (idx_value >> 3) & 0x7;
1006 if (tmp == 2 || tmp == 4 || tmp == 6) {
1007 track->textures[i].roundup_h = false;
1008 }
1009 track->tex_dirty = true;
1010 break;
1011 case 0x4500:
1012 case 0x4504:
1013 case 0x4508:
1014 case 0x450C:
1015 case 0x4510:
1016 case 0x4514:
1017 case 0x4518:
1018 case 0x451C:
1019 case 0x4520:
1020 case 0x4524:
1021 case 0x4528:
1022 case 0x452C:
1023 case 0x4530:
1024 case 0x4534:
1025 case 0x4538:
1026 case 0x453C:
1027 /* TX_FORMAT2_[0-15] */
1028 i = (reg - 0x4500) >> 2;
1029 tmp = idx_value & 0x3FFF;
1030 track->textures[i].pitch = tmp + 1;
1031 if (p->rdev->family >= CHIP_RV515) {
1032 tmp = ((idx_value >> 15) & 1) << 11;
1033 track->textures[i].width_11 = tmp;
1034 tmp = ((idx_value >> 16) & 1) << 11;
1035 track->textures[i].height_11 = tmp;
1036
1037 /* ATI1N */
1038 if (idx_value & (1 << 14)) {
1039 /* The same rules apply as for DXT1. */
1040 track->textures[i].compress_format =
1041 R100_TRACK_COMP_DXT1;
1042 }
1043 } else if (idx_value & (1 << 14)) {
1044 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1045 return -EINVAL;
1046 }
1047 track->tex_dirty = true;
1048 break;
1049 case 0x4480:
1050 case 0x4484:
1051 case 0x4488:
1052 case 0x448C:
1053 case 0x4490:
1054 case 0x4494:
1055 case 0x4498:
1056 case 0x449C:
1057 case 0x44A0:
1058 case 0x44A4:
1059 case 0x44A8:
1060 case 0x44AC:
1061 case 0x44B0:
1062 case 0x44B4:
1063 case 0x44B8:
1064 case 0x44BC:
1065 /* TX_FORMAT0_[0-15] */
1066 i = (reg - 0x4480) >> 2;
1067 tmp = idx_value & 0x7FF;
1068 track->textures[i].width = tmp + 1;
1069 tmp = (idx_value >> 11) & 0x7FF;
1070 track->textures[i].height = tmp + 1;
1071 tmp = (idx_value >> 26) & 0xF;
1072 track->textures[i].num_levels = tmp;
1073 tmp = idx_value & (1 << 31);
1074 track->textures[i].use_pitch = !!tmp;
1075 tmp = (idx_value >> 22) & 0xF;
1076 track->textures[i].txdepth = tmp;
1077 track->tex_dirty = true;
1078 break;
1079 case R300_ZB_ZPASS_ADDR:
1080 r = radeon_cs_packet_next_reloc(p, cs_reloc: &reloc, nomm: 0);
1081 if (r) {
1082 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1083 idx, reg);
1084 radeon_cs_dump_packet(p, pkt);
1085 return r;
1086 }
1087 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1088 break;
1089 case 0x4e0c:
1090 /* RB3D_COLOR_CHANNEL_MASK */
1091 track->color_channel_mask = idx_value;
1092 track->cb_dirty = true;
1093 break;
1094 case 0x43a4:
1095 /* SC_HYPERZ_EN */
1096 /* r300c emits this register - we need to disable hyperz for it
1097 * without complaining */
1098 if (p->rdev->hyperz_filp != p->filp) {
1099 if (idx_value & 0x1)
1100 ib[idx] = idx_value & ~1;
1101 }
1102 break;
1103 case 0x4f1c:
1104 /* ZB_BW_CNTL */
1105 track->zb_cb_clear = !!(idx_value & (1 << 5));
1106 track->cb_dirty = true;
1107 track->zb_dirty = true;
1108 if (p->rdev->hyperz_filp != p->filp) {
1109 if (idx_value & (R300_HIZ_ENABLE |
1110 R300_RD_COMP_ENABLE |
1111 R300_WR_COMP_ENABLE |
1112 R300_FAST_FILL_ENABLE))
1113 goto fail;
1114 }
1115 break;
1116 case 0x4e04:
1117 /* RB3D_BLENDCNTL */
1118 track->blend_read_enable = !!(idx_value & (1 << 2));
1119 track->cb_dirty = true;
1120 break;
1121 case R300_RB3D_AARESOLVE_OFFSET:
1122 r = radeon_cs_packet_next_reloc(p, cs_reloc: &reloc, nomm: 0);
1123 if (r) {
1124 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1125 idx, reg);
1126 radeon_cs_dump_packet(p, pkt);
1127 return r;
1128 }
1129 track->aa.robj = reloc->robj;
1130 track->aa.offset = idx_value;
1131 track->aa_dirty = true;
1132 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1133 break;
1134 case R300_RB3D_AARESOLVE_PITCH:
1135 track->aa.pitch = idx_value & 0x3FFE;
1136 track->aa_dirty = true;
1137 break;
1138 case R300_RB3D_AARESOLVE_CTL:
1139 track->aaresolve = idx_value & 0x1;
1140 track->aa_dirty = true;
1141 break;
1142 case 0x4f30: /* ZB_MASK_OFFSET */
1143 case 0x4f34: /* ZB_ZMASK_PITCH */
1144 case 0x4f44: /* ZB_HIZ_OFFSET */
1145 case 0x4f54: /* ZB_HIZ_PITCH */
1146 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1147 goto fail;
1148 break;
1149 case 0x4028:
1150 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1151 goto fail;
1152 /* GB_Z_PEQ_CONFIG */
1153 if (p->rdev->family >= CHIP_RV350)
1154 break;
1155 goto fail;
1156 break;
1157 case 0x4be8:
1158 /* valid register only on RV530 */
1159 if (p->rdev->family == CHIP_RV530)
1160 break;
1161 fallthrough;
1162 /* fallthrough do not move */
1163 default:
1164 goto fail;
1165 }
1166 return 0;
1167fail:
1168 pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1169 reg, idx, idx_value);
1170 return -EINVAL;
1171}
1172
1173static int r300_packet3_check(struct radeon_cs_parser *p,
1174 struct radeon_cs_packet *pkt)
1175{
1176 struct radeon_bo_list *reloc;
1177 struct r100_cs_track *track;
1178 volatile uint32_t *ib;
1179 unsigned idx;
1180 int r;
1181
1182 ib = p->ib.ptr;
1183 idx = pkt->idx + 1;
1184 track = (struct r100_cs_track *)p->track;
1185 switch (pkt->opcode) {
1186 case PACKET3_3D_LOAD_VBPNTR:
1187 r = r100_packet3_load_vbpntr(p, pkt, idx);
1188 if (r)
1189 return r;
1190 break;
1191 case PACKET3_INDX_BUFFER:
1192 r = radeon_cs_packet_next_reloc(p, cs_reloc: &reloc, nomm: 0);
1193 if (r) {
1194 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1195 radeon_cs_dump_packet(p, pkt);
1196 return r;
1197 }
1198 ib[idx+1] = radeon_get_ib_value(p, idx: idx + 1) + ((u32)reloc->gpu_offset);
1199 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, robj: reloc->robj);
1200 if (r) {
1201 return r;
1202 }
1203 break;
1204 /* Draw packet */
1205 case PACKET3_3D_DRAW_IMMD:
1206 /* Number of dwords is vtx_size * (num_vertices - 1)
1207 * PRIM_WALK must be equal to 3 vertex data in embedded
1208 * in cmd stream */
1209 if (((radeon_get_ib_value(p, idx: idx + 1) >> 4) & 0x3) != 3) {
1210 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1211 return -EINVAL;
1212 }
1213 track->vap_vf_cntl = radeon_get_ib_value(p, idx: idx + 1);
1214 track->immd_dwords = pkt->count - 1;
1215 r = r100_cs_track_check(rdev: p->rdev, track);
1216 if (r) {
1217 return r;
1218 }
1219 break;
1220 case PACKET3_3D_DRAW_IMMD_2:
1221 /* Number of dwords is vtx_size * (num_vertices - 1)
1222 * PRIM_WALK must be equal to 3 vertex data in embedded
1223 * in cmd stream */
1224 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1225 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1226 return -EINVAL;
1227 }
1228 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1229 track->immd_dwords = pkt->count;
1230 r = r100_cs_track_check(rdev: p->rdev, track);
1231 if (r) {
1232 return r;
1233 }
1234 break;
1235 case PACKET3_3D_DRAW_VBUF:
1236 track->vap_vf_cntl = radeon_get_ib_value(p, idx: idx + 1);
1237 r = r100_cs_track_check(rdev: p->rdev, track);
1238 if (r) {
1239 return r;
1240 }
1241 break;
1242 case PACKET3_3D_DRAW_VBUF_2:
1243 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1244 r = r100_cs_track_check(rdev: p->rdev, track);
1245 if (r) {
1246 return r;
1247 }
1248 break;
1249 case PACKET3_3D_DRAW_INDX:
1250 track->vap_vf_cntl = radeon_get_ib_value(p, idx: idx + 1);
1251 r = r100_cs_track_check(rdev: p->rdev, track);
1252 if (r) {
1253 return r;
1254 }
1255 break;
1256 case PACKET3_3D_DRAW_INDX_2:
1257 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1258 r = r100_cs_track_check(rdev: p->rdev, track);
1259 if (r) {
1260 return r;
1261 }
1262 break;
1263 case PACKET3_3D_CLEAR_HIZ:
1264 case PACKET3_3D_CLEAR_ZMASK:
1265 if (p->rdev->hyperz_filp != p->filp)
1266 return -EINVAL;
1267 break;
1268 case PACKET3_3D_CLEAR_CMASK:
1269 if (p->rdev->cmask_filp != p->filp)
1270 return -EINVAL;
1271 break;
1272 case PACKET3_NOP:
1273 break;
1274 default:
1275 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1276 return -EINVAL;
1277 }
1278 return 0;
1279}
1280
1281int r300_cs_parse(struct radeon_cs_parser *p)
1282{
1283 struct radeon_cs_packet pkt;
1284 struct r100_cs_track *track;
1285 int r;
1286
1287 track = kzalloc(sizeof(*track), GFP_KERNEL);
1288 if (track == NULL)
1289 return -ENOMEM;
1290 r100_cs_track_clear(rdev: p->rdev, track);
1291 p->track = track;
1292 do {
1293 r = radeon_cs_packet_parse(p, pkt: &pkt, idx: p->idx);
1294 if (r) {
1295 return r;
1296 }
1297 p->idx += pkt.count + 2;
1298 switch (pkt.type) {
1299 case RADEON_PACKET_TYPE0:
1300 r = r100_cs_parse_packet0(p, pkt: &pkt,
1301 auth: p->rdev->config.r300.reg_safe_bm,
1302 n: p->rdev->config.r300.reg_safe_bm_size,
1303 check: &r300_packet0_check);
1304 break;
1305 case RADEON_PACKET_TYPE2:
1306 break;
1307 case RADEON_PACKET_TYPE3:
1308 r = r300_packet3_check(p, pkt: &pkt);
1309 break;
1310 default:
1311 DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1312 return -EINVAL;
1313 }
1314 if (r) {
1315 return r;
1316 }
1317 } while (p->idx < p->chunk_ib->length_dw);
1318 return 0;
1319}
1320
1321void r300_set_reg_safe(struct radeon_device *rdev)
1322{
1323 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1324 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1325}
1326
1327void r300_mc_program(struct radeon_device *rdev)
1328{
1329 struct r100_mc_save save;
1330
1331 r100_debugfs_mc_info_init(rdev);
1332
1333 /* Stops all mc clients */
1334 r100_mc_stop(rdev, save: &save);
1335 if (rdev->flags & RADEON_IS_AGP) {
1336 WREG32(R_00014C_MC_AGP_LOCATION,
1337 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1338 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1339 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1340 WREG32(R_00015C_AGP_BASE_2,
1341 upper_32_bits(rdev->mc.agp_base) & 0xff);
1342 } else {
1343 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1344 WREG32(R_000170_AGP_BASE, 0);
1345 WREG32(R_00015C_AGP_BASE_2, 0);
1346 }
1347 /* Wait for mc idle */
1348 if (r300_mc_wait_for_idle(rdev))
1349 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1350 /* Program MC, should be a 32bits limited address space */
1351 WREG32(R_000148_MC_FB_LOCATION,
1352 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1353 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1354 r100_mc_resume(rdev, save: &save);
1355}
1356
1357void r300_clock_startup(struct radeon_device *rdev)
1358{
1359 u32 tmp;
1360
1361 if (radeon_dynclks != -1 && radeon_dynclks)
1362 radeon_legacy_set_clock_gating(rdev, enable: 1);
1363 /* We need to force on some of the block */
1364 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1365 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1366 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1367 tmp |= S_00000D_FORCE_VAP(1);
1368 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1369}
1370
1371static int r300_startup(struct radeon_device *rdev)
1372{
1373 int r;
1374
1375 /* set common regs */
1376 r100_set_common_regs(rdev);
1377 /* program mc */
1378 r300_mc_program(rdev);
1379 /* Resume clock */
1380 r300_clock_startup(rdev);
1381 /* Initialize GPU configuration (# pipes, ...) */
1382 r300_gpu_init(rdev);
1383 /* Initialize GART (initialize after TTM so we can allocate
1384 * memory through TTM but finalize after TTM) */
1385 if (rdev->flags & RADEON_IS_PCIE) {
1386 r = rv370_pcie_gart_enable(rdev);
1387 if (r)
1388 return r;
1389 }
1390
1391 if (rdev->family == CHIP_R300 ||
1392 rdev->family == CHIP_R350 ||
1393 rdev->family == CHIP_RV350)
1394 r100_enable_bm(rdev);
1395
1396 if (rdev->flags & RADEON_IS_PCI) {
1397 r = r100_pci_gart_enable(rdev);
1398 if (r)
1399 return r;
1400 }
1401
1402 /* allocate wb buffer */
1403 r = radeon_wb_init(rdev);
1404 if (r)
1405 return r;
1406
1407 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1408 if (r) {
1409 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1410 return r;
1411 }
1412
1413 /* Enable IRQ */
1414 if (!rdev->irq.installed) {
1415 r = radeon_irq_kms_init(rdev);
1416 if (r)
1417 return r;
1418 }
1419
1420 r100_irq_set(rdev);
1421 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1422 /* 1M ring buffer */
1423 r = r100_cp_init(rdev, ring_size: 1024 * 1024);
1424 if (r) {
1425 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1426 return r;
1427 }
1428
1429 r = radeon_ib_pool_init(rdev);
1430 if (r) {
1431 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1432 return r;
1433 }
1434
1435 return 0;
1436}
1437
1438int r300_resume(struct radeon_device *rdev)
1439{
1440 int r;
1441
1442 /* Make sur GART are not working */
1443 if (rdev->flags & RADEON_IS_PCIE)
1444 rv370_pcie_gart_disable(rdev);
1445 if (rdev->flags & RADEON_IS_PCI)
1446 r100_pci_gart_disable(rdev);
1447 /* Resume clock before doing reset */
1448 r300_clock_startup(rdev);
1449 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1450 if (radeon_asic_reset(rdev)) {
1451 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1452 RREG32(R_000E40_RBBM_STATUS),
1453 RREG32(R_0007C0_CP_STAT));
1454 }
1455 /* post */
1456 radeon_combios_asic_init(dev: rdev_to_drm(rdev));
1457 /* Resume clock after posting */
1458 r300_clock_startup(rdev);
1459 /* Initialize surface registers */
1460 radeon_surface_init(rdev);
1461
1462 rdev->accel_working = true;
1463 r = r300_startup(rdev);
1464 if (r) {
1465 rdev->accel_working = false;
1466 }
1467 return r;
1468}
1469
1470int r300_suspend(struct radeon_device *rdev)
1471{
1472 radeon_pm_suspend(rdev);
1473 r100_cp_disable(rdev);
1474 radeon_wb_disable(rdev);
1475 r100_irq_disable(rdev);
1476 if (rdev->flags & RADEON_IS_PCIE)
1477 rv370_pcie_gart_disable(rdev);
1478 if (rdev->flags & RADEON_IS_PCI)
1479 r100_pci_gart_disable(rdev);
1480 return 0;
1481}
1482
1483void r300_fini(struct radeon_device *rdev)
1484{
1485 radeon_pm_fini(rdev);
1486 r100_cp_fini(rdev);
1487 radeon_wb_fini(rdev);
1488 radeon_ib_pool_fini(rdev);
1489 radeon_gem_fini(rdev);
1490 if (rdev->flags & RADEON_IS_PCIE)
1491 rv370_pcie_gart_fini(rdev);
1492 if (rdev->flags & RADEON_IS_PCI)
1493 r100_pci_gart_fini(rdev);
1494 radeon_agp_fini(rdev);
1495 radeon_irq_kms_fini(rdev);
1496 radeon_fence_driver_fini(rdev);
1497 radeon_bo_fini(rdev);
1498 radeon_atombios_fini(rdev);
1499 kfree(objp: rdev->bios);
1500 rdev->bios = NULL;
1501}
1502
1503int r300_init(struct radeon_device *rdev)
1504{
1505 int r;
1506
1507 /* Disable VGA */
1508 r100_vga_render_disable(rdev);
1509 /* Initialize scratch registers */
1510 radeon_scratch_init(rdev);
1511 /* Initialize surface registers */
1512 radeon_surface_init(rdev);
1513 /* TODO: disable VGA need to use VGA request */
1514 /* restore some register to sane defaults */
1515 r100_restore_sanity(rdev);
1516 /* BIOS*/
1517 if (!radeon_get_bios(rdev)) {
1518 if (ASIC_IS_AVIVO(rdev))
1519 return -EINVAL;
1520 }
1521 if (rdev->is_atom_bios) {
1522 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1523 return -EINVAL;
1524 } else {
1525 r = radeon_combios_init(rdev);
1526 if (r)
1527 return r;
1528 }
1529 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1530 if (radeon_asic_reset(rdev)) {
1531 dev_warn(rdev->dev,
1532 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1533 RREG32(R_000E40_RBBM_STATUS),
1534 RREG32(R_0007C0_CP_STAT));
1535 }
1536 /* check if cards are posted or not */
1537 if (radeon_boot_test_post_card(rdev) == false)
1538 return -EINVAL;
1539 /* Set asic errata */
1540 r300_errata(rdev);
1541 /* Initialize clocks */
1542 radeon_get_clock_info(dev: rdev_to_drm(rdev));
1543 /* initialize AGP */
1544 if (rdev->flags & RADEON_IS_AGP) {
1545 r = radeon_agp_init(rdev);
1546 if (r) {
1547 radeon_agp_disable(rdev);
1548 }
1549 }
1550 /* initialize memory controller */
1551 r300_mc_init(rdev);
1552 /* Fence driver */
1553 radeon_fence_driver_init(rdev);
1554 /* Memory manager */
1555 r = radeon_bo_init(rdev);
1556 if (r)
1557 return r;
1558 if (rdev->flags & RADEON_IS_PCIE) {
1559 r = rv370_pcie_gart_init(rdev);
1560 if (r)
1561 return r;
1562 }
1563 if (rdev->flags & RADEON_IS_PCI) {
1564 r = r100_pci_gart_init(rdev);
1565 if (r)
1566 return r;
1567 }
1568 r300_set_reg_safe(rdev);
1569
1570 /* Initialize power management */
1571 radeon_pm_init(rdev);
1572
1573 rdev->accel_working = true;
1574 r = r300_startup(rdev);
1575 if (r) {
1576 /* Something went wrong with the accel init, so stop accel */
1577 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1578 r100_cp_fini(rdev);
1579 radeon_wb_fini(rdev);
1580 radeon_ib_pool_fini(rdev);
1581 radeon_irq_kms_fini(rdev);
1582 if (rdev->flags & RADEON_IS_PCIE)
1583 rv370_pcie_gart_fini(rdev);
1584 if (rdev->flags & RADEON_IS_PCI)
1585 r100_pci_gart_fini(rdev);
1586 radeon_agp_fini(rdev);
1587 rdev->accel_working = false;
1588 }
1589 return 0;
1590}
1591

source code of linux/drivers/gpu/drm/radeon/r300.c