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