1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28#include <linux/seq_file.h>
29#include <linux/slab.h>
30#include <drm/drmP.h>
31#include <drm/drm.h>
32#include <drm/drm_crtc_helper.h>
33#include "radeon_reg.h"
34#include "radeon.h"
35#include "radeon_asic.h"
36#include <drm/radeon_drm.h>
37#include "r100_track.h"
38#include "r300d.h"
39#include "rv350d.h"
40#include "r300_reg_safe.h"
41
42/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
43 *
44 * GPU Errata:
45 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
46 * using MMIO to flush host path read cache, this lead to HARDLOCKUP.
47 * However, scheduling such write to the ring seems harmless, i suspect
48 * the CP read collide with the flush somehow, or maybe the MC, hard to
49 * tell. (Jerome Glisse)
50 */
51
52/*
53 * Indirect registers accessor
54 */
55uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
56{
57 unsigned long flags;
58 uint32_t r;
59
60 spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
61 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
62 r = RREG32(RADEON_PCIE_DATA);
63 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
64 return r;
65}
66
67void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
68{
69 unsigned long flags;
70
71 spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
72 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
73 WREG32(RADEON_PCIE_DATA, (v));
74 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
75}
76
77/*
78 * rv370,rv380 PCIE GART
79 */
80static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
81
82void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
83{
84 uint32_t tmp;
85 int i;
86
87 /* Workaround HW bug do flush 2 times */
88 for (i = 0; i < 2; i++) {
89 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
90 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
91 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
92 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
93 }
94 mb();
95}
96
97#define R300_PTE_UNSNOOPED (1 << 0)
98#define R300_PTE_WRITEABLE (1 << 2)
99#define R300_PTE_READABLE (1 << 3)
100
101uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
102{
103 addr = (lower_32_bits(addr) >> 8) |
104 ((upper_32_bits(addr) & 0xff) << 24);
105 if (flags & RADEON_GART_PAGE_READ)
106 addr |= R300_PTE_READABLE;
107 if (flags & RADEON_GART_PAGE_WRITE)
108 addr |= R300_PTE_WRITEABLE;
109 if (!(flags & RADEON_GART_PAGE_SNOOP))
110 addr |= R300_PTE_UNSNOOPED;
111 return addr;
112}
113
114void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
115 uint64_t entry)
116{
117 void __iomem *ptr = rdev->gart.ptr;
118
119 /* on x86 we want this to be CPU endian, on powerpc
120 * on powerpc without HW swappers, it'll get swapped on way
121 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
122 writel(entry, ((void __iomem *)ptr) + (i * 4));
123}
124
125int rv370_pcie_gart_init(struct radeon_device *rdev)
126{
127 int r;
128
129 if (rdev->gart.robj) {
130 WARN(1, "RV370 PCIE GART already initialized\n");
131 return 0;
132 }
133 /* Initialize common gart structure */
134 r = radeon_gart_init(rdev);
135 if (r)
136 return r;
137 r = rv370_debugfs_pcie_gart_info_init(rdev);
138 if (r)
139 DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
140 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
141 rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
142 rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
143 rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
144 return radeon_gart_table_vram_alloc(rdev);
145}
146
147int rv370_pcie_gart_enable(struct radeon_device *rdev)
148{
149 uint32_t table_addr;
150 uint32_t tmp;
151 int r;
152
153 if (rdev->gart.robj == NULL) {
154 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
155 return -EINVAL;
156 }
157 r = radeon_gart_table_vram_pin(rdev);
158 if (r)
159 return r;
160 /* discard memory request outside of configured range */
161 tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
162 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
163 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
164 tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
165 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
166 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
167 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
168 table_addr = rdev->gart.table_addr;
169 WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
170 /* FIXME: setup default page */
171 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
172 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
173 /* Clear error */
174 WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
175 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
176 tmp |= RADEON_PCIE_TX_GART_EN;
177 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
178 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
179 rv370_pcie_gart_tlb_flush(rdev);
180 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
181 (unsigned)(rdev->mc.gtt_size >> 20),
182 (unsigned long long)table_addr);
183 rdev->gart.ready = true;
184 return 0;
185}
186
187void rv370_pcie_gart_disable(struct radeon_device *rdev)
188{
189 u32 tmp;
190
191 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
192 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
193 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
194 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
195 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
196 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
197 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
198 radeon_gart_table_vram_unpin(rdev);
199}
200
201void rv370_pcie_gart_fini(struct radeon_device *rdev)
202{
203 radeon_gart_fini(rdev);
204 rv370_pcie_gart_disable(rdev);
205 radeon_gart_table_vram_free(rdev);
206}
207
208void r300_fence_ring_emit(struct radeon_device *rdev,
209 struct radeon_fence *fence)
210{
211 struct radeon_ring *ring = &rdev->ring[fence->ring];
212
213 /* Who ever call radeon_fence_emit should call ring_lock and ask
214 * for enough space (today caller are ib schedule and buffer move) */
215 /* Write SC register so SC & US assert idle */
216 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
217 radeon_ring_write(ring, 0);
218 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
219 radeon_ring_write(ring, 0);
220 /* Flush 3D cache */
221 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
222 radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
223 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
224 radeon_ring_write(ring, R300_ZC_FLUSH);
225 /* Wait until IDLE & CLEAN */
226 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
227 radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
228 RADEON_WAIT_2D_IDLECLEAN |
229 RADEON_WAIT_DMA_GUI_IDLE));
230 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
231 radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
232 RADEON_HDP_READ_BUFFER_INVALIDATE);
233 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
234 radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
235 /* Emit fence sequence & fire IRQ */
236 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
237 radeon_ring_write(ring, fence->seq);
238 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
239 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
240}
241
242void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
243{
244 unsigned gb_tile_config;
245 int r;
246
247 /* Sub pixel 1/12 so we can have 4K rendering according to doc */
248 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
249 switch(rdev->num_gb_pipes) {
250 case 2:
251 gb_tile_config |= R300_PIPE_COUNT_R300;
252 break;
253 case 3:
254 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
255 break;
256 case 4:
257 gb_tile_config |= R300_PIPE_COUNT_R420;
258 break;
259 case 1:
260 default:
261 gb_tile_config |= R300_PIPE_COUNT_RV350;
262 break;
263 }
264
265 r = radeon_ring_lock(rdev, ring, 64);
266 if (r) {
267 return;
268 }
269 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
270 radeon_ring_write(ring,
271 RADEON_ISYNC_ANY2D_IDLE3D |
272 RADEON_ISYNC_ANY3D_IDLE2D |
273 RADEON_ISYNC_WAIT_IDLEGUI |
274 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
275 radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
276 radeon_ring_write(ring, gb_tile_config);
277 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
278 radeon_ring_write(ring,
279 RADEON_WAIT_2D_IDLECLEAN |
280 RADEON_WAIT_3D_IDLECLEAN);
281 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
282 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
283 radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
284 radeon_ring_write(ring, 0);
285 radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
286 radeon_ring_write(ring, 0);
287 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
288 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
289 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
290 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
291 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
292 radeon_ring_write(ring,
293 RADEON_WAIT_2D_IDLECLEAN |
294 RADEON_WAIT_3D_IDLECLEAN);
295 radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
296 radeon_ring_write(ring, 0);
297 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
298 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
299 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
300 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
301 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
302 radeon_ring_write(ring,
303 ((6 << R300_MS_X0_SHIFT) |
304 (6 << R300_MS_Y0_SHIFT) |
305 (6 << R300_MS_X1_SHIFT) |
306 (6 << R300_MS_Y1_SHIFT) |
307 (6 << R300_MS_X2_SHIFT) |
308 (6 << R300_MS_Y2_SHIFT) |
309 (6 << R300_MSBD0_Y_SHIFT) |
310 (6 << R300_MSBD0_X_SHIFT)));
311 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
312 radeon_ring_write(ring,
313 ((6 << R300_MS_X3_SHIFT) |
314 (6 << R300_MS_Y3_SHIFT) |
315 (6 << R300_MS_X4_SHIFT) |
316 (6 << R300_MS_Y4_SHIFT) |
317 (6 << R300_MS_X5_SHIFT) |
318 (6 << R300_MS_Y5_SHIFT) |
319 (6 << R300_MSBD1_SHIFT)));
320 radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
321 radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
322 radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
323 radeon_ring_write(ring,
324 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
325 radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
326 radeon_ring_write(ring,
327 R300_GEOMETRY_ROUND_NEAREST |
328 R300_COLOR_ROUND_NEAREST);
329 radeon_ring_unlock_commit(rdev, ring, false);
330}
331
332static void r300_errata(struct radeon_device *rdev)
333{
334 rdev->pll_errata = 0;
335
336 if (rdev->family == CHIP_R300 &&
337 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
338 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
339 }
340}
341
342int r300_mc_wait_for_idle(struct radeon_device *rdev)
343{
344 unsigned i;
345 uint32_t tmp;
346
347 for (i = 0; i < rdev->usec_timeout; i++) {
348 /* read MC_STATUS */
349 tmp = RREG32(RADEON_MC_STATUS);
350 if (tmp & R300_MC_IDLE) {
351 return 0;
352 }
353 DRM_UDELAY(1);
354 }
355 return -1;
356}
357
358static void r300_gpu_init(struct radeon_device *rdev)
359{
360 uint32_t gb_tile_config, tmp;
361
362 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
363 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
364 /* r300,r350 */
365 rdev->num_gb_pipes = 2;
366 } else {
367 /* rv350,rv370,rv380,r300 AD, r350 AH */
368 rdev->num_gb_pipes = 1;
369 }
370 rdev->num_z_pipes = 1;
371 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
372 switch (rdev->num_gb_pipes) {
373 case 2:
374 gb_tile_config |= R300_PIPE_COUNT_R300;
375 break;
376 case 3:
377 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
378 break;
379 case 4:
380 gb_tile_config |= R300_PIPE_COUNT_R420;
381 break;
382 default:
383 case 1:
384 gb_tile_config |= R300_PIPE_COUNT_RV350;
385 break;
386 }
387 WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
388
389 if (r100_gui_wait_for_idle(rdev)) {
390 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
391 }
392
393 tmp = RREG32(R300_DST_PIPE_CONFIG);
394 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
395
396 WREG32(R300_RB2D_DSTCACHE_MODE,
397 R300_DC_AUTOFLUSH_ENABLE |
398 R300_DC_DC_DISABLE_IGNORE_PE);
399
400 if (r100_gui_wait_for_idle(rdev)) {
401 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
402 }
403 if (r300_mc_wait_for_idle(rdev)) {
404 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
405 }
406 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
407 rdev->num_gb_pipes, rdev->num_z_pipes);
408}
409
410int r300_asic_reset(struct radeon_device *rdev, bool hard)
411{
412 struct r100_mc_save save;
413 u32 status, tmp;
414 int ret = 0;
415
416 status = RREG32(R_000E40_RBBM_STATUS);
417 if (!G_000E40_GUI_ACTIVE(status)) {
418 return 0;
419 }
420 r100_mc_stop(rdev, &save);
421 status = RREG32(R_000E40_RBBM_STATUS);
422 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
423 /* stop CP */
424 WREG32(RADEON_CP_CSQ_CNTL, 0);
425 tmp = RREG32(RADEON_CP_RB_CNTL);
426 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
427 WREG32(RADEON_CP_RB_RPTR_WR, 0);
428 WREG32(RADEON_CP_RB_WPTR, 0);
429 WREG32(RADEON_CP_RB_CNTL, tmp);
430 /* save PCI state */
431 pci_save_state(rdev->pdev);
432 /* disable bus mastering */
433 r100_bm_disable(rdev);
434 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
435 S_0000F0_SOFT_RESET_GA(1));
436 RREG32(R_0000F0_RBBM_SOFT_RESET);
437 mdelay(500);
438 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
439 mdelay(1);
440 status = RREG32(R_000E40_RBBM_STATUS);
441 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
442 /* resetting the CP seems to be problematic sometimes it end up
443 * hard locking the computer, but it's necessary for successful
444 * reset more test & playing is needed on R3XX/R4XX to find a
445 * reliable (if any solution)
446 */
447 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
448 RREG32(R_0000F0_RBBM_SOFT_RESET);
449 mdelay(500);
450 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
451 mdelay(1);
452 status = RREG32(R_000E40_RBBM_STATUS);
453 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
454 /* restore PCI & busmastering */
455 pci_restore_state(rdev->pdev);
456 r100_enable_bm(rdev);
457 /* Check if GPU is idle */
458 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
459 dev_err(rdev->dev, "failed to reset GPU\n");
460 ret = -1;
461 } else
462 dev_info(rdev->dev, "GPU reset succeed\n");
463 r100_mc_resume(rdev, &save);
464 return ret;
465}
466
467/*
468 * r300,r350,rv350,rv380 VRAM info
469 */
470void r300_mc_init(struct radeon_device *rdev)
471{
472 u64 base;
473 u32 tmp;
474
475 /* DDR for all card after R300 & IGP */
476 rdev->mc.vram_is_ddr = true;
477 tmp = RREG32(RADEON_MEM_CNTL);
478 tmp &= R300_MEM_NUM_CHANNELS_MASK;
479 switch (tmp) {
480 case 0: rdev->mc.vram_width = 64; break;
481 case 1: rdev->mc.vram_width = 128; break;
482 case 2: rdev->mc.vram_width = 256; break;
483 default: rdev->mc.vram_width = 128; break;
484 }
485 r100_vram_init_sizes(rdev);
486 base = rdev->mc.aper_base;
487 if (rdev->flags & RADEON_IS_IGP)
488 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
489 radeon_vram_location(rdev, &rdev->mc, base);
490 rdev->mc.gtt_base_align = 0;
491 if (!(rdev->flags & RADEON_IS_AGP))
492 radeon_gtt_location(rdev, &rdev->mc);
493 radeon_update_bandwidth_info(rdev);
494}
495
496void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
497{
498 uint32_t link_width_cntl, mask;
499
500 if (rdev->flags & RADEON_IS_IGP)
501 return;
502
503 if (!(rdev->flags & RADEON_IS_PCIE))
504 return;
505
506 /* FIXME wait for idle */
507
508 switch (lanes) {
509 case 0:
510 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
511 break;
512 case 1:
513 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
514 break;
515 case 2:
516 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
517 break;
518 case 4:
519 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
520 break;
521 case 8:
522 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
523 break;
524 case 12:
525 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
526 break;
527 case 16:
528 default:
529 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
530 break;
531 }
532
533 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
534
535 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
536 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
537 return;
538
539 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
540 RADEON_PCIE_LC_RECONFIG_NOW |
541 RADEON_PCIE_LC_RECONFIG_LATER |
542 RADEON_PCIE_LC_SHORT_RECONFIG_EN);
543 link_width_cntl |= mask;
544 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
545 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
546 RADEON_PCIE_LC_RECONFIG_NOW));
547
548 /* wait for lane set to complete */
549 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
550 while (link_width_cntl == 0xffffffff)
551 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
552
553}
554
555int rv370_get_pcie_lanes(struct radeon_device *rdev)
556{
557 u32 link_width_cntl;
558
559 if (rdev->flags & RADEON_IS_IGP)
560 return 0;
561
562 if (!(rdev->flags & RADEON_IS_PCIE))
563 return 0;
564
565 /* FIXME wait for idle */
566
567 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
568
569 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
570 case RADEON_PCIE_LC_LINK_WIDTH_X0:
571 return 0;
572 case RADEON_PCIE_LC_LINK_WIDTH_X1:
573 return 1;
574 case RADEON_PCIE_LC_LINK_WIDTH_X2:
575 return 2;
576 case RADEON_PCIE_LC_LINK_WIDTH_X4:
577 return 4;
578 case RADEON_PCIE_LC_LINK_WIDTH_X8:
579 return 8;
580 case RADEON_PCIE_LC_LINK_WIDTH_X16:
581 default:
582 return 16;
583 }
584}
585
586#if defined(CONFIG_DEBUG_FS)
587static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
588{
589 struct drm_info_node *node = (struct drm_info_node *) m->private;
590 struct drm_device *dev = node->minor->dev;
591 struct radeon_device *rdev = dev->dev_private;
592 uint32_t tmp;
593
594 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
595 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
596 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
597 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
598 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
599 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
600 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
601 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
602 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
603 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
604 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
605 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
606 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
607 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
608 return 0;
609}
610
611static struct drm_info_list rv370_pcie_gart_info_list[] = {
612 {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
613};
614#endif
615
616static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
617{
618#if defined(CONFIG_DEBUG_FS)
619 return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
620#else
621 return 0;
622#endif
623}
624
625static int r300_packet0_check(struct radeon_cs_parser *p,
626 struct radeon_cs_packet *pkt,
627 unsigned idx, unsigned reg)
628{
629 struct radeon_bo_list *reloc;
630 struct r100_cs_track *track;
631 volatile uint32_t *ib;
632 uint32_t tmp, tile_flags = 0;
633 unsigned i;
634 int r;
635 u32 idx_value;
636
637 ib = p->ib.ptr;
638 track = (struct r100_cs_track *)p->track;
639 idx_value = radeon_get_ib_value(p, idx);
640
641 switch(reg) {
642 case AVIVO_D1MODE_VLINE_START_END:
643 case RADEON_CRTC_GUI_TRIG_VLINE:
644 r = r100_cs_packet_parse_vline(p);
645 if (r) {
646 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
647 idx, reg);
648 radeon_cs_dump_packet(p, pkt);
649 return r;
650 }
651 break;
652 case RADEON_DST_PITCH_OFFSET:
653 case RADEON_SRC_PITCH_OFFSET:
654 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
655 if (r)
656 return r;
657 break;
658 case R300_RB3D_COLOROFFSET0:
659 case R300_RB3D_COLOROFFSET1:
660 case R300_RB3D_COLOROFFSET2:
661 case R300_RB3D_COLOROFFSET3:
662 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
663 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
664 if (r) {
665 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
666 idx, reg);
667 radeon_cs_dump_packet(p, pkt);
668 return r;
669 }
670 track->cb[i].robj = reloc->robj;
671 track->cb[i].offset = idx_value;
672 track->cb_dirty = true;
673 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
674 break;
675 case R300_ZB_DEPTHOFFSET:
676 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
677 if (r) {
678 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
679 idx, reg);
680 radeon_cs_dump_packet(p, pkt);
681 return r;
682 }
683 track->zb.robj = reloc->robj;
684 track->zb.offset = idx_value;
685 track->zb_dirty = true;
686 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
687 break;
688 case R300_TX_OFFSET_0:
689 case R300_TX_OFFSET_0+4:
690 case R300_TX_OFFSET_0+8:
691 case R300_TX_OFFSET_0+12:
692 case R300_TX_OFFSET_0+16:
693 case R300_TX_OFFSET_0+20:
694 case R300_TX_OFFSET_0+24:
695 case R300_TX_OFFSET_0+28:
696 case R300_TX_OFFSET_0+32:
697 case R300_TX_OFFSET_0+36:
698 case R300_TX_OFFSET_0+40:
699 case R300_TX_OFFSET_0+44:
700 case R300_TX_OFFSET_0+48:
701 case R300_TX_OFFSET_0+52:
702 case R300_TX_OFFSET_0+56:
703 case R300_TX_OFFSET_0+60:
704 i = (reg - R300_TX_OFFSET_0) >> 2;
705 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
706 if (r) {
707 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
708 idx, reg);
709 radeon_cs_dump_packet(p, pkt);
710 return r;
711 }
712
713 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
714 ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
715 ((idx_value & ~31) + (u32)reloc->gpu_offset);
716 } else {
717 if (reloc->tiling_flags & RADEON_TILING_MACRO)
718 tile_flags |= R300_TXO_MACRO_TILE;
719 if (reloc->tiling_flags & RADEON_TILING_MICRO)
720 tile_flags |= R300_TXO_MICRO_TILE;
721 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
722 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
723
724 tmp = idx_value + ((u32)reloc->gpu_offset);
725 tmp |= tile_flags;
726 ib[idx] = tmp;
727 }
728 track->textures[i].robj = reloc->robj;
729 track->tex_dirty = true;
730 break;
731 /* Tracked registers */
732 case 0x2084:
733 /* VAP_VF_CNTL */
734 track->vap_vf_cntl = idx_value;
735 break;
736 case 0x20B4:
737 /* VAP_VTX_SIZE */
738 track->vtx_size = idx_value & 0x7F;
739 break;
740 case 0x2134:
741 /* VAP_VF_MAX_VTX_INDX */
742 track->max_indx = idx_value & 0x00FFFFFFUL;
743 break;
744 case 0x2088:
745 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
746 if (p->rdev->family < CHIP_RV515)
747 goto fail;
748 track->vap_alt_nverts = idx_value & 0xFFFFFF;
749 break;
750 case 0x43E4:
751 /* SC_SCISSOR1 */
752 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
753 if (p->rdev->family < CHIP_RV515) {
754 track->maxy -= 1440;
755 }
756 track->cb_dirty = true;
757 track->zb_dirty = true;
758 break;
759 case 0x4E00:
760 /* RB3D_CCTL */
761 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
762 p->rdev->cmask_filp != p->filp) {
763 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
764 return -EINVAL;
765 }
766 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
767 track->cb_dirty = true;
768 break;
769 case 0x4E38:
770 case 0x4E3C:
771 case 0x4E40:
772 case 0x4E44:
773 /* RB3D_COLORPITCH0 */
774 /* RB3D_COLORPITCH1 */
775 /* RB3D_COLORPITCH2 */
776 /* RB3D_COLORPITCH3 */
777 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
778 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
779 if (r) {
780 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
781 idx, reg);
782 radeon_cs_dump_packet(p, pkt);
783 return r;
784 }
785
786 if (reloc->tiling_flags & RADEON_TILING_MACRO)
787 tile_flags |= R300_COLOR_TILE_ENABLE;
788 if (reloc->tiling_flags & RADEON_TILING_MICRO)
789 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
790 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
791 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
792
793 tmp = idx_value & ~(0x7 << 16);
794 tmp |= tile_flags;
795 ib[idx] = tmp;
796 }
797 i = (reg - 0x4E38) >> 2;
798 track->cb[i].pitch = idx_value & 0x3FFE;
799 switch (((idx_value >> 21) & 0xF)) {
800 case 9:
801 case 11:
802 case 12:
803 track->cb[i].cpp = 1;
804 break;
805 case 3:
806 case 4:
807 case 13:
808 case 15:
809 track->cb[i].cpp = 2;
810 break;
811 case 5:
812 if (p->rdev->family < CHIP_RV515) {
813 DRM_ERROR("Invalid color buffer format (%d)!\n",
814 ((idx_value >> 21) & 0xF));
815 return -EINVAL;
816 }
817 /* Fall through. */
818 case 6:
819 track->cb[i].cpp = 4;
820 break;
821 case 10:
822 track->cb[i].cpp = 8;
823 break;
824 case 7:
825 track->cb[i].cpp = 16;
826 break;
827 default:
828 DRM_ERROR("Invalid color buffer format (%d) !\n",
829 ((idx_value >> 21) & 0xF));
830 return -EINVAL;
831 }
832 track->cb_dirty = true;
833 break;
834 case 0x4F00:
835 /* ZB_CNTL */
836 if (idx_value & 2) {
837 track->z_enabled = true;
838 } else {
839 track->z_enabled = false;
840 }
841 track->zb_dirty = true;
842 break;
843 case 0x4F10:
844 /* ZB_FORMAT */
845 switch ((idx_value & 0xF)) {
846 case 0:
847 case 1:
848 track->zb.cpp = 2;
849 break;
850 case 2:
851 track->zb.cpp = 4;
852 break;
853 default:
854 DRM_ERROR("Invalid z buffer format (%d) !\n",
855 (idx_value & 0xF));
856 return -EINVAL;
857 }
858 track->zb_dirty = true;
859 break;
860 case 0x4F24:
861 /* ZB_DEPTHPITCH */
862 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
863 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
864 if (r) {
865 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
866 idx, reg);
867 radeon_cs_dump_packet(p, pkt);
868 return r;
869 }
870
871 if (reloc->tiling_flags & RADEON_TILING_MACRO)
872 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
873 if (reloc->tiling_flags & RADEON_TILING_MICRO)
874 tile_flags |= R300_DEPTHMICROTILE_TILED;
875 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
876 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
877
878 tmp = idx_value & ~(0x7 << 16);
879 tmp |= tile_flags;
880 ib[idx] = tmp;
881 }
882 track->zb.pitch = idx_value & 0x3FFC;
883 track->zb_dirty = true;
884 break;
885 case 0x4104:
886 /* TX_ENABLE */
887 for (i = 0; i < 16; i++) {
888 bool enabled;
889
890 enabled = !!(idx_value & (1 << i));
891 track->textures[i].enabled = enabled;
892 }
893 track->tex_dirty = true;
894 break;
895 case 0x44C0:
896 case 0x44C4:
897 case 0x44C8:
898 case 0x44CC:
899 case 0x44D0:
900 case 0x44D4:
901 case 0x44D8:
902 case 0x44DC:
903 case 0x44E0:
904 case 0x44E4:
905 case 0x44E8:
906 case 0x44EC:
907 case 0x44F0:
908 case 0x44F4:
909 case 0x44F8:
910 case 0x44FC:
911 /* TX_FORMAT1_[0-15] */
912 i = (reg - 0x44C0) >> 2;
913 tmp = (idx_value >> 25) & 0x3;
914 track->textures[i].tex_coord_type = tmp;
915 switch ((idx_value & 0x1F)) {
916 case R300_TX_FORMAT_X8:
917 case R300_TX_FORMAT_Y4X4:
918 case R300_TX_FORMAT_Z3Y3X2:
919 track->textures[i].cpp = 1;
920 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
921 break;
922 case R300_TX_FORMAT_X16:
923 case R300_TX_FORMAT_FL_I16:
924 case R300_TX_FORMAT_Y8X8:
925 case R300_TX_FORMAT_Z5Y6X5:
926 case R300_TX_FORMAT_Z6Y5X5:
927 case R300_TX_FORMAT_W4Z4Y4X4:
928 case R300_TX_FORMAT_W1Z5Y5X5:
929 case R300_TX_FORMAT_D3DMFT_CxV8U8:
930 case R300_TX_FORMAT_B8G8_B8G8:
931 case R300_TX_FORMAT_G8R8_G8B8:
932 track->textures[i].cpp = 2;
933 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
934 break;
935 case R300_TX_FORMAT_Y16X16:
936 case R300_TX_FORMAT_FL_I16A16:
937 case R300_TX_FORMAT_Z11Y11X10:
938 case R300_TX_FORMAT_Z10Y11X11:
939 case R300_TX_FORMAT_W8Z8Y8X8:
940 case R300_TX_FORMAT_W2Z10Y10X10:
941 case 0x17:
942 case R300_TX_FORMAT_FL_I32:
943 case 0x1e:
944 track->textures[i].cpp = 4;
945 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
946 break;
947 case R300_TX_FORMAT_W16Z16Y16X16:
948 case R300_TX_FORMAT_FL_R16G16B16A16:
949 case R300_TX_FORMAT_FL_I32A32:
950 track->textures[i].cpp = 8;
951 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
952 break;
953 case R300_TX_FORMAT_FL_R32G32B32A32:
954 track->textures[i].cpp = 16;
955 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
956 break;
957 case R300_TX_FORMAT_DXT1:
958 track->textures[i].cpp = 1;
959 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
960 break;
961 case R300_TX_FORMAT_ATI2N:
962 if (p->rdev->family < CHIP_R420) {
963 DRM_ERROR("Invalid texture format %u\n",
964 (idx_value & 0x1F));
965 return -EINVAL;
966 }
967 /* The same rules apply as for DXT3/5. */
968 /* Fall through. */
969 case R300_TX_FORMAT_DXT3:
970 case R300_TX_FORMAT_DXT5:
971 track->textures[i].cpp = 1;
972 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
973 break;
974 default:
975 DRM_ERROR("Invalid texture format %u\n",
976 (idx_value & 0x1F));
977 return -EINVAL;
978 }
979 track->tex_dirty = true;
980 break;
981 case 0x4400:
982 case 0x4404:
983 case 0x4408:
984 case 0x440C:
985 case 0x4410:
986 case 0x4414:
987 case 0x4418:
988 case 0x441C:
989 case 0x4420:
990 case 0x4424:
991 case 0x4428:
992 case 0x442C:
993 case 0x4430:
994 case 0x4434:
995 case 0x4438:
996 case 0x443C:
997 /* TX_FILTER0_[0-15] */
998 i = (reg - 0x4400) >> 2;
999 tmp = idx_value & 0x7;
1000 if (tmp == 2 || tmp == 4 || tmp == 6) {
1001 track->textures[i].roundup_w = false;
1002 }
1003 tmp = (idx_value >> 3) & 0x7;
1004 if (tmp == 2 || tmp == 4 || tmp == 6) {
1005 track->textures[i].roundup_h = false;
1006 }
1007 track->tex_dirty = true;
1008 break;
1009 case 0x4500:
1010 case 0x4504:
1011 case 0x4508:
1012 case 0x450C:
1013 case 0x4510:
1014 case 0x4514:
1015 case 0x4518:
1016 case 0x451C:
1017 case 0x4520:
1018 case 0x4524:
1019 case 0x4528:
1020 case 0x452C:
1021 case 0x4530:
1022 case 0x4534:
1023 case 0x4538:
1024 case 0x453C:
1025 /* TX_FORMAT2_[0-15] */
1026 i = (reg - 0x4500) >> 2;
1027 tmp = idx_value & 0x3FFF;
1028 track->textures[i].pitch = tmp + 1;
1029 if (p->rdev->family >= CHIP_RV515) {
1030 tmp = ((idx_value >> 15) & 1) << 11;
1031 track->textures[i].width_11 = tmp;
1032 tmp = ((idx_value >> 16) & 1) << 11;
1033 track->textures[i].height_11 = tmp;
1034
1035 /* ATI1N */
1036 if (idx_value & (1 << 14)) {
1037 /* The same rules apply as for DXT1. */
1038 track->textures[i].compress_format =
1039 R100_TRACK_COMP_DXT1;
1040 }
1041 } else if (idx_value & (1 << 14)) {
1042 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1043 return -EINVAL;
1044 }
1045 track->tex_dirty = true;
1046 break;
1047 case 0x4480:
1048 case 0x4484:
1049 case 0x4488:
1050 case 0x448C:
1051 case 0x4490:
1052 case 0x4494:
1053 case 0x4498:
1054 case 0x449C:
1055 case 0x44A0:
1056 case 0x44A4:
1057 case 0x44A8:
1058 case 0x44AC:
1059 case 0x44B0:
1060 case 0x44B4:
1061 case 0x44B8:
1062 case 0x44BC:
1063 /* TX_FORMAT0_[0-15] */
1064 i = (reg - 0x4480) >> 2;
1065 tmp = idx_value & 0x7FF;
1066 track->textures[i].width = tmp + 1;
1067 tmp = (idx_value >> 11) & 0x7FF;
1068 track->textures[i].height = tmp + 1;
1069 tmp = (idx_value >> 26) & 0xF;
1070 track->textures[i].num_levels = tmp;
1071 tmp = idx_value & (1 << 31);
1072 track->textures[i].use_pitch = !!tmp;
1073 tmp = (idx_value >> 22) & 0xF;
1074 track->textures[i].txdepth = tmp;
1075 track->tex_dirty = true;
1076 break;
1077 case R300_ZB_ZPASS_ADDR:
1078 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1079 if (r) {
1080 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1081 idx, reg);
1082 radeon_cs_dump_packet(p, pkt);
1083 return r;
1084 }
1085 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1086 break;
1087 case 0x4e0c:
1088 /* RB3D_COLOR_CHANNEL_MASK */
1089 track->color_channel_mask = idx_value;
1090 track->cb_dirty = true;
1091 break;
1092 case 0x43a4:
1093 /* SC_HYPERZ_EN */
1094 /* r300c emits this register - we need to disable hyperz for it
1095 * without complaining */
1096 if (p->rdev->hyperz_filp != p->filp) {
1097 if (idx_value & 0x1)
1098 ib[idx] = idx_value & ~1;
1099 }
1100 break;
1101 case 0x4f1c:
1102 /* ZB_BW_CNTL */
1103 track->zb_cb_clear = !!(idx_value & (1 << 5));
1104 track->cb_dirty = true;
1105 track->zb_dirty = true;
1106 if (p->rdev->hyperz_filp != p->filp) {
1107 if (idx_value & (R300_HIZ_ENABLE |
1108 R300_RD_COMP_ENABLE |
1109 R300_WR_COMP_ENABLE |
1110 R300_FAST_FILL_ENABLE))
1111 goto fail;
1112 }
1113 break;
1114 case 0x4e04:
1115 /* RB3D_BLENDCNTL */
1116 track->blend_read_enable = !!(idx_value & (1 << 2));
1117 track->cb_dirty = true;
1118 break;
1119 case R300_RB3D_AARESOLVE_OFFSET:
1120 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1121 if (r) {
1122 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1123 idx, reg);
1124 radeon_cs_dump_packet(p, pkt);
1125 return r;
1126 }
1127 track->aa.robj = reloc->robj;
1128 track->aa.offset = idx_value;
1129 track->aa_dirty = true;
1130 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1131 break;
1132 case R300_RB3D_AARESOLVE_PITCH:
1133 track->aa.pitch = idx_value & 0x3FFE;
1134 track->aa_dirty = true;
1135 break;
1136 case R300_RB3D_AARESOLVE_CTL:
1137 track->aaresolve = idx_value & 0x1;
1138 track->aa_dirty = true;
1139 break;
1140 case 0x4f30: /* ZB_MASK_OFFSET */
1141 case 0x4f34: /* ZB_ZMASK_PITCH */
1142 case 0x4f44: /* ZB_HIZ_OFFSET */
1143 case 0x4f54: /* ZB_HIZ_PITCH */
1144 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1145 goto fail;
1146 break;
1147 case 0x4028:
1148 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1149 goto fail;
1150 /* GB_Z_PEQ_CONFIG */
1151 if (p->rdev->family >= CHIP_RV350)
1152 break;
1153 goto fail;
1154 break;
1155 case 0x4be8:
1156 /* valid register only on RV530 */
1157 if (p->rdev->family == CHIP_RV530)
1158 break;
1159 /* fallthrough do not move */
1160 default:
1161 goto fail;
1162 }
1163 return 0;
1164fail:
1165 pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1166 reg, idx, idx_value);
1167 return -EINVAL;
1168}
1169
1170static int r300_packet3_check(struct radeon_cs_parser *p,
1171 struct radeon_cs_packet *pkt)
1172{
1173 struct radeon_bo_list *reloc;
1174 struct r100_cs_track *track;
1175 volatile uint32_t *ib;
1176 unsigned idx;
1177 int r;
1178
1179 ib = p->ib.ptr;
1180 idx = pkt->idx + 1;
1181 track = (struct r100_cs_track *)p->track;
1182 switch(pkt->opcode) {
1183 case PACKET3_3D_LOAD_VBPNTR:
1184 r = r100_packet3_load_vbpntr(p, pkt, idx);
1185 if (r)
1186 return r;
1187 break;
1188 case PACKET3_INDX_BUFFER:
1189 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1190 if (r) {
1191 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1192 radeon_cs_dump_packet(p, pkt);
1193 return r;
1194 }
1195 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1196 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1197 if (r) {
1198 return r;
1199 }
1200 break;
1201 /* Draw packet */
1202 case PACKET3_3D_DRAW_IMMD:
1203 /* Number of dwords is vtx_size * (num_vertices - 1)
1204 * PRIM_WALK must be equal to 3 vertex data in embedded
1205 * in cmd stream */
1206 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1207 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1208 return -EINVAL;
1209 }
1210 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1211 track->immd_dwords = pkt->count - 1;
1212 r = r100_cs_track_check(p->rdev, track);
1213 if (r) {
1214 return r;
1215 }
1216 break;
1217 case PACKET3_3D_DRAW_IMMD_2:
1218 /* Number of dwords is vtx_size * (num_vertices - 1)
1219 * PRIM_WALK must be equal to 3 vertex data in embedded
1220 * in cmd stream */
1221 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1222 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1223 return -EINVAL;
1224 }
1225 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1226 track->immd_dwords = pkt->count;
1227 r = r100_cs_track_check(p->rdev, track);
1228 if (r) {
1229 return r;
1230 }
1231 break;
1232 case PACKET3_3D_DRAW_VBUF:
1233 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1234 r = r100_cs_track_check(p->rdev, track);
1235 if (r) {
1236 return r;
1237 }
1238 break;
1239 case PACKET3_3D_DRAW_VBUF_2:
1240 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1241 r = r100_cs_track_check(p->rdev, track);
1242 if (r) {
1243 return r;
1244 }
1245 break;
1246 case PACKET3_3D_DRAW_INDX:
1247 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1248 r = r100_cs_track_check(p->rdev, track);
1249 if (r) {
1250 return r;
1251 }
1252 break;
1253 case PACKET3_3D_DRAW_INDX_2:
1254 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1255 r = r100_cs_track_check(p->rdev, track);
1256 if (r) {
1257 return r;
1258 }
1259 break;
1260 case PACKET3_3D_CLEAR_HIZ:
1261 case PACKET3_3D_CLEAR_ZMASK:
1262 if (p->rdev->hyperz_filp != p->filp)
1263 return -EINVAL;
1264 break;
1265 case PACKET3_3D_CLEAR_CMASK:
1266 if (p->rdev->cmask_filp != p->filp)
1267 return -EINVAL;
1268 break;
1269 case PACKET3_NOP:
1270 break;
1271 default:
1272 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1273 return -EINVAL;
1274 }
1275 return 0;
1276}
1277
1278int r300_cs_parse(struct radeon_cs_parser *p)
1279{
1280 struct radeon_cs_packet pkt;
1281 struct r100_cs_track *track;
1282 int r;
1283
1284 track = kzalloc(sizeof(*track), GFP_KERNEL);
1285 if (track == NULL)
1286 return -ENOMEM;
1287 r100_cs_track_clear(p->rdev, track);
1288 p->track = track;
1289 do {
1290 r = radeon_cs_packet_parse(p, &pkt, p->idx);
1291 if (r) {
1292 return r;
1293 }
1294 p->idx += pkt.count + 2;
1295 switch (pkt.type) {
1296 case RADEON_PACKET_TYPE0:
1297 r = r100_cs_parse_packet0(p, &pkt,
1298 p->rdev->config.r300.reg_safe_bm,
1299 p->rdev->config.r300.reg_safe_bm_size,
1300 &r300_packet0_check);
1301 break;
1302 case RADEON_PACKET_TYPE2:
1303 break;
1304 case RADEON_PACKET_TYPE3:
1305 r = r300_packet3_check(p, &pkt);
1306 break;
1307 default:
1308 DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1309 return -EINVAL;
1310 }
1311 if (r) {
1312 return r;
1313 }
1314 } while (p->idx < p->chunk_ib->length_dw);
1315 return 0;
1316}
1317
1318void r300_set_reg_safe(struct radeon_device *rdev)
1319{
1320 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1321 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1322}
1323
1324void r300_mc_program(struct radeon_device *rdev)
1325{
1326 struct r100_mc_save save;
1327 int r;
1328
1329 r = r100_debugfs_mc_info_init(rdev);
1330 if (r) {
1331 dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1332 }
1333
1334 /* Stops all mc clients */
1335 r100_mc_stop(rdev, &save);
1336 if (rdev->flags & RADEON_IS_AGP) {
1337 WREG32(R_00014C_MC_AGP_LOCATION,
1338 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1339 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1340 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1341 WREG32(R_00015C_AGP_BASE_2,
1342 upper_32_bits(rdev->mc.agp_base) & 0xff);
1343 } else {
1344 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1345 WREG32(R_000170_AGP_BASE, 0);
1346 WREG32(R_00015C_AGP_BASE_2, 0);
1347 }
1348 /* Wait for mc idle */
1349 if (r300_mc_wait_for_idle(rdev))
1350 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1351 /* Program MC, should be a 32bits limited address space */
1352 WREG32(R_000148_MC_FB_LOCATION,
1353 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1354 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1355 r100_mc_resume(rdev, &save);
1356}
1357
1358void r300_clock_startup(struct radeon_device *rdev)
1359{
1360 u32 tmp;
1361
1362 if (radeon_dynclks != -1 && radeon_dynclks)
1363 radeon_legacy_set_clock_gating(rdev, 1);
1364 /* We need to force on some of the block */
1365 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1366 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1367 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1368 tmp |= S_00000D_FORCE_VAP(1);
1369 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1370}
1371
1372static int r300_startup(struct radeon_device *rdev)
1373{
1374 int r;
1375
1376 /* set common regs */
1377 r100_set_common_regs(rdev);
1378 /* program mc */
1379 r300_mc_program(rdev);
1380 /* Resume clock */
1381 r300_clock_startup(rdev);
1382 /* Initialize GPU configuration (# pipes, ...) */
1383 r300_gpu_init(rdev);
1384 /* Initialize GART (initialize after TTM so we can allocate
1385 * memory through TTM but finalize after TTM) */
1386 if (rdev->flags & RADEON_IS_PCIE) {
1387 r = rv370_pcie_gart_enable(rdev);
1388 if (r)
1389 return r;
1390 }
1391
1392 if (rdev->family == CHIP_R300 ||
1393 rdev->family == CHIP_R350 ||
1394 rdev->family == CHIP_RV350)
1395 r100_enable_bm(rdev);
1396
1397 if (rdev->flags & RADEON_IS_PCI) {
1398 r = r100_pci_gart_enable(rdev);
1399 if (r)
1400 return r;
1401 }
1402
1403 /* allocate wb buffer */
1404 r = radeon_wb_init(rdev);
1405 if (r)
1406 return r;
1407
1408 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1409 if (r) {
1410 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1411 return r;
1412 }
1413
1414 /* Enable IRQ */
1415 if (!rdev->irq.installed) {
1416 r = radeon_irq_kms_init(rdev);
1417 if (r)
1418 return r;
1419 }
1420
1421 r100_irq_set(rdev);
1422 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1423 /* 1M ring buffer */
1424 r = r100_cp_init(rdev, 1024 * 1024);
1425 if (r) {
1426 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1427 return r;
1428 }
1429
1430 r = radeon_ib_pool_init(rdev);
1431 if (r) {
1432 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1433 return r;
1434 }
1435
1436 return 0;
1437}
1438
1439int r300_resume(struct radeon_device *rdev)
1440{
1441 int r;
1442
1443 /* Make sur GART are not working */
1444 if (rdev->flags & RADEON_IS_PCIE)
1445 rv370_pcie_gart_disable(rdev);
1446 if (rdev->flags & RADEON_IS_PCI)
1447 r100_pci_gart_disable(rdev);
1448 /* Resume clock before doing reset */
1449 r300_clock_startup(rdev);
1450 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1451 if (radeon_asic_reset(rdev)) {
1452 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1453 RREG32(R_000E40_RBBM_STATUS),
1454 RREG32(R_0007C0_CP_STAT));
1455 }
1456 /* post */
1457 radeon_combios_asic_init(rdev->ddev);
1458 /* Resume clock after posting */
1459 r300_clock_startup(rdev);
1460 /* Initialize surface registers */
1461 radeon_surface_init(rdev);
1462
1463 rdev->accel_working = true;
1464 r = r300_startup(rdev);
1465 if (r) {
1466 rdev->accel_working = false;
1467 }
1468 return r;
1469}
1470
1471int r300_suspend(struct radeon_device *rdev)
1472{
1473 radeon_pm_suspend(rdev);
1474 r100_cp_disable(rdev);
1475 radeon_wb_disable(rdev);
1476 r100_irq_disable(rdev);
1477 if (rdev->flags & RADEON_IS_PCIE)
1478 rv370_pcie_gart_disable(rdev);
1479 if (rdev->flags & RADEON_IS_PCI)
1480 r100_pci_gart_disable(rdev);
1481 return 0;
1482}
1483
1484void r300_fini(struct radeon_device *rdev)
1485{
1486 radeon_pm_fini(rdev);
1487 r100_cp_fini(rdev);
1488 radeon_wb_fini(rdev);
1489 radeon_ib_pool_fini(rdev);
1490 radeon_gem_fini(rdev);
1491 if (rdev->flags & RADEON_IS_PCIE)
1492 rv370_pcie_gart_fini(rdev);
1493 if (rdev->flags & RADEON_IS_PCI)
1494 r100_pci_gart_fini(rdev);
1495 radeon_agp_fini(rdev);
1496 radeon_irq_kms_fini(rdev);
1497 radeon_fence_driver_fini(rdev);
1498 radeon_bo_fini(rdev);
1499 radeon_atombios_fini(rdev);
1500 kfree(rdev->bios);
1501 rdev->bios = NULL;
1502}
1503
1504int r300_init(struct radeon_device *rdev)
1505{
1506 int r;
1507
1508 /* Disable VGA */
1509 r100_vga_render_disable(rdev);
1510 /* Initialize scratch registers */
1511 radeon_scratch_init(rdev);
1512 /* Initialize surface registers */
1513 radeon_surface_init(rdev);
1514 /* TODO: disable VGA need to use VGA request */
1515 /* restore some register to sane defaults */
1516 r100_restore_sanity(rdev);
1517 /* BIOS*/
1518 if (!radeon_get_bios(rdev)) {
1519 if (ASIC_IS_AVIVO(rdev))
1520 return -EINVAL;
1521 }
1522 if (rdev->is_atom_bios) {
1523 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1524 return -EINVAL;
1525 } else {
1526 r = radeon_combios_init(rdev);
1527 if (r)
1528 return r;
1529 }
1530 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1531 if (radeon_asic_reset(rdev)) {
1532 dev_warn(rdev->dev,
1533 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1534 RREG32(R_000E40_RBBM_STATUS),
1535 RREG32(R_0007C0_CP_STAT));
1536 }
1537 /* check if cards are posted or not */
1538 if (radeon_boot_test_post_card(rdev) == false)
1539 return -EINVAL;
1540 /* Set asic errata */
1541 r300_errata(rdev);
1542 /* Initialize clocks */
1543 radeon_get_clock_info(rdev->ddev);
1544 /* initialize AGP */
1545 if (rdev->flags & RADEON_IS_AGP) {
1546 r = radeon_agp_init(rdev);
1547 if (r) {
1548 radeon_agp_disable(rdev);
1549 }
1550 }
1551 /* initialize memory controller */
1552 r300_mc_init(rdev);
1553 /* Fence driver */
1554 r = radeon_fence_driver_init(rdev);
1555 if (r)
1556 return r;
1557 /* Memory manager */
1558 r = radeon_bo_init(rdev);
1559 if (r)
1560 return r;
1561 if (rdev->flags & RADEON_IS_PCIE) {
1562 r = rv370_pcie_gart_init(rdev);
1563 if (r)
1564 return r;
1565 }
1566 if (rdev->flags & RADEON_IS_PCI) {
1567 r = r100_pci_gart_init(rdev);
1568 if (r)
1569 return r;
1570 }
1571 r300_set_reg_safe(rdev);
1572
1573 /* Initialize power management */
1574 radeon_pm_init(rdev);
1575
1576 rdev->accel_working = true;
1577 r = r300_startup(rdev);
1578 if (r) {
1579 /* Something went wrong with the accel init, so stop accel */
1580 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1581 r100_cp_fini(rdev);
1582 radeon_wb_fini(rdev);
1583 radeon_ib_pool_fini(rdev);
1584 radeon_irq_kms_fini(rdev);
1585 if (rdev->flags & RADEON_IS_PCIE)
1586 rv370_pcie_gart_fini(rdev);
1587 if (rdev->flags & RADEON_IS_PCI)
1588 r100_pci_gart_fini(rdev);
1589 radeon_agp_fini(rdev);
1590 rdev->accel_working = false;
1591 }
1592 return 0;
1593}
1594