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Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / radeon / r300.c
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #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 "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
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
75 int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
76 {
77 void __iomem *ptr = (void *)rdev->gart.table.vram.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
92 int rv370_pcie_gart_init(struct radeon_device *rdev)
93 {
94 int r;
95
96 if (rdev->gart.table.vram.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
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.table.vram.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%08X).\n",
148 (unsigned)(rdev->mc.gtt_size >> 20), table_addr);
149 rdev->gart.ready = true;
150 return 0;
151 }
152
153 void rv370_pcie_gart_disable(struct radeon_device *rdev)
154 {
155 u32 tmp;
156 int r;
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 if (rdev->gart.table.vram.robj) {
166 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
167 if (likely(r == 0)) {
168 radeon_bo_kunmap(rdev->gart.table.vram.robj);
169 radeon_bo_unpin(rdev->gart.table.vram.robj);
170 radeon_bo_unreserve(rdev->gart.table.vram.robj);
171 }
172 }
173 }
174
175 void rv370_pcie_gart_fini(struct radeon_device *rdev)
176 {
177 radeon_gart_fini(rdev);
178 rv370_pcie_gart_disable(rdev);
179 radeon_gart_table_vram_free(rdev);
180 }
181
182 void r300_fence_ring_emit(struct radeon_device *rdev,
183 struct radeon_fence *fence)
184 {
185 /* Who ever call radeon_fence_emit should call ring_lock and ask
186 * for enough space (today caller are ib schedule and buffer move) */
187 /* Write SC register so SC & US assert idle */
188 radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_TL, 0));
189 radeon_ring_write(rdev, 0);
190 radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_BR, 0));
191 radeon_ring_write(rdev, 0);
192 /* Flush 3D cache */
193 radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
194 radeon_ring_write(rdev, R300_RB3D_DC_FLUSH);
195 radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
196 radeon_ring_write(rdev, R300_ZC_FLUSH);
197 /* Wait until IDLE & CLEAN */
198 radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
199 radeon_ring_write(rdev, (RADEON_WAIT_3D_IDLECLEAN |
200 RADEON_WAIT_2D_IDLECLEAN |
201 RADEON_WAIT_DMA_GUI_IDLE));
202 radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
203 radeon_ring_write(rdev, rdev->config.r300.hdp_cntl |
204 RADEON_HDP_READ_BUFFER_INVALIDATE);
205 radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
206 radeon_ring_write(rdev, rdev->config.r300.hdp_cntl);
207 /* Emit fence sequence & fire IRQ */
208 radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
209 radeon_ring_write(rdev, fence->seq);
210 radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
211 radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
212 }
213
214 void r300_ring_start(struct radeon_device *rdev)
215 {
216 unsigned gb_tile_config;
217 int r;
218
219 /* Sub pixel 1/12 so we can have 4K rendering according to doc */
220 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
221 switch(rdev->num_gb_pipes) {
222 case 2:
223 gb_tile_config |= R300_PIPE_COUNT_R300;
224 break;
225 case 3:
226 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
227 break;
228 case 4:
229 gb_tile_config |= R300_PIPE_COUNT_R420;
230 break;
231 case 1:
232 default:
233 gb_tile_config |= R300_PIPE_COUNT_RV350;
234 break;
235 }
236
237 r = radeon_ring_lock(rdev, 64);
238 if (r) {
239 return;
240 }
241 radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
242 radeon_ring_write(rdev,
243 RADEON_ISYNC_ANY2D_IDLE3D |
244 RADEON_ISYNC_ANY3D_IDLE2D |
245 RADEON_ISYNC_WAIT_IDLEGUI |
246 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
247 radeon_ring_write(rdev, PACKET0(R300_GB_TILE_CONFIG, 0));
248 radeon_ring_write(rdev, gb_tile_config);
249 radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
250 radeon_ring_write(rdev,
251 RADEON_WAIT_2D_IDLECLEAN |
252 RADEON_WAIT_3D_IDLECLEAN);
253 radeon_ring_write(rdev, PACKET0(R300_DST_PIPE_CONFIG, 0));
254 radeon_ring_write(rdev, R300_PIPE_AUTO_CONFIG);
255 radeon_ring_write(rdev, PACKET0(R300_GB_SELECT, 0));
256 radeon_ring_write(rdev, 0);
257 radeon_ring_write(rdev, PACKET0(R300_GB_ENABLE, 0));
258 radeon_ring_write(rdev, 0);
259 radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
260 radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
261 radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
262 radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
263 radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
264 radeon_ring_write(rdev,
265 RADEON_WAIT_2D_IDLECLEAN |
266 RADEON_WAIT_3D_IDLECLEAN);
267 radeon_ring_write(rdev, PACKET0(R300_GB_AA_CONFIG, 0));
268 radeon_ring_write(rdev, 0);
269 radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
270 radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
271 radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
272 radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
273 radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS0, 0));
274 radeon_ring_write(rdev,
275 ((6 << R300_MS_X0_SHIFT) |
276 (6 << R300_MS_Y0_SHIFT) |
277 (6 << R300_MS_X1_SHIFT) |
278 (6 << R300_MS_Y1_SHIFT) |
279 (6 << R300_MS_X2_SHIFT) |
280 (6 << R300_MS_Y2_SHIFT) |
281 (6 << R300_MSBD0_Y_SHIFT) |
282 (6 << R300_MSBD0_X_SHIFT)));
283 radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS1, 0));
284 radeon_ring_write(rdev,
285 ((6 << R300_MS_X3_SHIFT) |
286 (6 << R300_MS_Y3_SHIFT) |
287 (6 << R300_MS_X4_SHIFT) |
288 (6 << R300_MS_Y4_SHIFT) |
289 (6 << R300_MS_X5_SHIFT) |
290 (6 << R300_MS_Y5_SHIFT) |
291 (6 << R300_MSBD1_SHIFT)));
292 radeon_ring_write(rdev, PACKET0(R300_GA_ENHANCE, 0));
293 radeon_ring_write(rdev, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
294 radeon_ring_write(rdev, PACKET0(R300_GA_POLY_MODE, 0));
295 radeon_ring_write(rdev,
296 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
297 radeon_ring_write(rdev, PACKET0(R300_GA_ROUND_MODE, 0));
298 radeon_ring_write(rdev,
299 R300_GEOMETRY_ROUND_NEAREST |
300 R300_COLOR_ROUND_NEAREST);
301 radeon_ring_unlock_commit(rdev);
302 }
303
304 void r300_errata(struct radeon_device *rdev)
305 {
306 rdev->pll_errata = 0;
307
308 if (rdev->family == CHIP_R300 &&
309 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
310 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
311 }
312 }
313
314 int r300_mc_wait_for_idle(struct radeon_device *rdev)
315 {
316 unsigned i;
317 uint32_t tmp;
318
319 for (i = 0; i < rdev->usec_timeout; i++) {
320 /* read MC_STATUS */
321 tmp = RREG32(RADEON_MC_STATUS);
322 if (tmp & R300_MC_IDLE) {
323 return 0;
324 }
325 DRM_UDELAY(1);
326 }
327 return -1;
328 }
329
330 void r300_gpu_init(struct radeon_device *rdev)
331 {
332 uint32_t gb_tile_config, tmp;
333
334 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
335 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
336 /* r300,r350 */
337 rdev->num_gb_pipes = 2;
338 } else {
339 /* rv350,rv370,rv380,r300 AD, r350 AH */
340 rdev->num_gb_pipes = 1;
341 }
342 rdev->num_z_pipes = 1;
343 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
344 switch (rdev->num_gb_pipes) {
345 case 2:
346 gb_tile_config |= R300_PIPE_COUNT_R300;
347 break;
348 case 3:
349 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
350 break;
351 case 4:
352 gb_tile_config |= R300_PIPE_COUNT_R420;
353 break;
354 default:
355 case 1:
356 gb_tile_config |= R300_PIPE_COUNT_RV350;
357 break;
358 }
359 WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
360
361 if (r100_gui_wait_for_idle(rdev)) {
362 printk(KERN_WARNING "Failed to wait GUI idle while "
363 "programming pipes. Bad things might happen.\n");
364 }
365
366 tmp = RREG32(R300_DST_PIPE_CONFIG);
367 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
368
369 WREG32(R300_RB2D_DSTCACHE_MODE,
370 R300_DC_AUTOFLUSH_ENABLE |
371 R300_DC_DC_DISABLE_IGNORE_PE);
372
373 if (r100_gui_wait_for_idle(rdev)) {
374 printk(KERN_WARNING "Failed to wait GUI idle while "
375 "programming pipes. Bad things might happen.\n");
376 }
377 if (r300_mc_wait_for_idle(rdev)) {
378 printk(KERN_WARNING "Failed to wait MC idle while "
379 "programming pipes. Bad things might happen.\n");
380 }
381 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
382 rdev->num_gb_pipes, rdev->num_z_pipes);
383 }
384
385 bool r300_gpu_is_lockup(struct radeon_device *rdev)
386 {
387 u32 rbbm_status;
388 int r;
389
390 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
391 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
392 r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp);
393 return false;
394 }
395 /* force CP activities */
396 r = radeon_ring_lock(rdev, 2);
397 if (!r) {
398 /* PACKET2 NOP */
399 radeon_ring_write(rdev, 0x80000000);
400 radeon_ring_write(rdev, 0x80000000);
401 radeon_ring_unlock_commit(rdev);
402 }
403 rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
404 return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
405 }
406
407 int r300_asic_reset(struct radeon_device *rdev)
408 {
409 struct r100_mc_save save;
410 u32 status, tmp;
411 int ret = 0;
412
413 status = RREG32(R_000E40_RBBM_STATUS);
414 if (!G_000E40_GUI_ACTIVE(status)) {
415 return 0;
416 }
417 r100_mc_stop(rdev, &save);
418 status = RREG32(R_000E40_RBBM_STATUS);
419 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
420 /* stop CP */
421 WREG32(RADEON_CP_CSQ_CNTL, 0);
422 tmp = RREG32(RADEON_CP_RB_CNTL);
423 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
424 WREG32(RADEON_CP_RB_RPTR_WR, 0);
425 WREG32(RADEON_CP_RB_WPTR, 0);
426 WREG32(RADEON_CP_RB_CNTL, tmp);
427 /* save PCI state */
428 pci_save_state(rdev->pdev);
429 /* disable bus mastering */
430 r100_bm_disable(rdev);
431 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
432 S_0000F0_SOFT_RESET_GA(1));
433 RREG32(R_0000F0_RBBM_SOFT_RESET);
434 mdelay(500);
435 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
436 mdelay(1);
437 status = RREG32(R_000E40_RBBM_STATUS);
438 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
439 /* resetting the CP seems to be problematic sometimes it end up
440 * hard locking the computer, but it's necessary for successfull
441 * reset more test & playing is needed on R3XX/R4XX to find a
442 * reliable (if any solution)
443 */
444 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
445 RREG32(R_0000F0_RBBM_SOFT_RESET);
446 mdelay(500);
447 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
448 mdelay(1);
449 status = RREG32(R_000E40_RBBM_STATUS);
450 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
451 /* restore PCI & busmastering */
452 pci_restore_state(rdev->pdev);
453 r100_enable_bm(rdev);
454 /* Check if GPU is idle */
455 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
456 dev_err(rdev->dev, "failed to reset GPU\n");
457 rdev->gpu_lockup = true;
458 ret = -1;
459 } else
460 dev_info(rdev->dev, "GPU reset succeed\n");
461 r100_mc_resume(rdev, &save);
462 return ret;
463 }
464
465 /*
466 * r300,r350,rv350,rv380 VRAM info
467 */
468 void r300_mc_init(struct radeon_device *rdev)
469 {
470 u64 base;
471 u32 tmp;
472
473 /* DDR for all card after R300 & IGP */
474 rdev->mc.vram_is_ddr = true;
475 tmp = RREG32(RADEON_MEM_CNTL);
476 tmp &= R300_MEM_NUM_CHANNELS_MASK;
477 switch (tmp) {
478 case 0: rdev->mc.vram_width = 64; break;
479 case 1: rdev->mc.vram_width = 128; break;
480 case 2: rdev->mc.vram_width = 256; break;
481 default: rdev->mc.vram_width = 128; break;
482 }
483 r100_vram_init_sizes(rdev);
484 base = rdev->mc.aper_base;
485 if (rdev->flags & RADEON_IS_IGP)
486 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
487 radeon_vram_location(rdev, &rdev->mc, base);
488 rdev->mc.gtt_base_align = 0;
489 if (!(rdev->flags & RADEON_IS_AGP))
490 radeon_gtt_location(rdev, &rdev->mc);
491 radeon_update_bandwidth_info(rdev);
492 }
493
494 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
495 {
496 uint32_t link_width_cntl, mask;
497
498 if (rdev->flags & RADEON_IS_IGP)
499 return;
500
501 if (!(rdev->flags & RADEON_IS_PCIE))
502 return;
503
504 /* FIXME wait for idle */
505
506 switch (lanes) {
507 case 0:
508 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
509 break;
510 case 1:
511 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
512 break;
513 case 2:
514 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
515 break;
516 case 4:
517 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
518 break;
519 case 8:
520 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
521 break;
522 case 12:
523 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
524 break;
525 case 16:
526 default:
527 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
528 break;
529 }
530
531 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
532
533 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
534 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
535 return;
536
537 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
538 RADEON_PCIE_LC_RECONFIG_NOW |
539 RADEON_PCIE_LC_RECONFIG_LATER |
540 RADEON_PCIE_LC_SHORT_RECONFIG_EN);
541 link_width_cntl |= mask;
542 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
543 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
544 RADEON_PCIE_LC_RECONFIG_NOW));
545
546 /* wait for lane set to complete */
547 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
548 while (link_width_cntl == 0xffffffff)
549 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
550
551 }
552
553 int rv370_get_pcie_lanes(struct radeon_device *rdev)
554 {
555 u32 link_width_cntl;
556
557 if (rdev->flags & RADEON_IS_IGP)
558 return 0;
559
560 if (!(rdev->flags & RADEON_IS_PCIE))
561 return 0;
562
563 /* FIXME wait for idle */
564
565 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
566
567 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
568 case RADEON_PCIE_LC_LINK_WIDTH_X0:
569 return 0;
570 case RADEON_PCIE_LC_LINK_WIDTH_X1:
571 return 1;
572 case RADEON_PCIE_LC_LINK_WIDTH_X2:
573 return 2;
574 case RADEON_PCIE_LC_LINK_WIDTH_X4:
575 return 4;
576 case RADEON_PCIE_LC_LINK_WIDTH_X8:
577 return 8;
578 case RADEON_PCIE_LC_LINK_WIDTH_X16:
579 default:
580 return 16;
581 }
582 }
583
584 #if defined(CONFIG_DEBUG_FS)
585 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
586 {
587 struct drm_info_node *node = (struct drm_info_node *) m->private;
588 struct drm_device *dev = node->minor->dev;
589 struct radeon_device *rdev = dev->dev_private;
590 uint32_t tmp;
591
592 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
593 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
594 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
595 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
596 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
597 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
598 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
599 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
600 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
601 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
602 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
603 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
604 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
605 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
606 return 0;
607 }
608
609 static struct drm_info_list rv370_pcie_gart_info_list[] = {
610 {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
611 };
612 #endif
613
614 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
615 {
616 #if defined(CONFIG_DEBUG_FS)
617 return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
618 #else
619 return 0;
620 #endif
621 }
622
623 static int r300_packet0_check(struct radeon_cs_parser *p,
624 struct radeon_cs_packet *pkt,
625 unsigned idx, unsigned reg)
626 {
627 struct radeon_cs_reloc *reloc;
628 struct r100_cs_track *track;
629 volatile uint32_t *ib;
630 uint32_t tmp, tile_flags = 0;
631 unsigned i;
632 int r;
633 u32 idx_value;
634
635 ib = p->ib->ptr;
636 track = (struct r100_cs_track *)p->track;
637 idx_value = radeon_get_ib_value(p, idx);
638
639 switch(reg) {
640 case AVIVO_D1MODE_VLINE_START_END:
641 case RADEON_CRTC_GUI_TRIG_VLINE:
642 r = r100_cs_packet_parse_vline(p);
643 if (r) {
644 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
645 idx, reg);
646 r100_cs_dump_packet(p, pkt);
647 return r;
648 }
649 break;
650 case RADEON_DST_PITCH_OFFSET:
651 case RADEON_SRC_PITCH_OFFSET:
652 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
653 if (r)
654 return r;
655 break;
656 case R300_RB3D_COLOROFFSET0:
657 case R300_RB3D_COLOROFFSET1:
658 case R300_RB3D_COLOROFFSET2:
659 case R300_RB3D_COLOROFFSET3:
660 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
661 r = r100_cs_packet_next_reloc(p, &reloc);
662 if (r) {
663 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
664 idx, reg);
665 r100_cs_dump_packet(p, pkt);
666 return r;
667 }
668 track->cb[i].robj = reloc->robj;
669 track->cb[i].offset = idx_value;
670 track->cb_dirty = true;
671 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
672 break;
673 case R300_ZB_DEPTHOFFSET:
674 r = r100_cs_packet_next_reloc(p, &reloc);
675 if (r) {
676 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
677 idx, reg);
678 r100_cs_dump_packet(p, pkt);
679 return r;
680 }
681 track->zb.robj = reloc->robj;
682 track->zb.offset = idx_value;
683 track->zb_dirty = true;
684 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
685 break;
686 case R300_TX_OFFSET_0:
687 case R300_TX_OFFSET_0+4:
688 case R300_TX_OFFSET_0+8:
689 case R300_TX_OFFSET_0+12:
690 case R300_TX_OFFSET_0+16:
691 case R300_TX_OFFSET_0+20:
692 case R300_TX_OFFSET_0+24:
693 case R300_TX_OFFSET_0+28:
694 case R300_TX_OFFSET_0+32:
695 case R300_TX_OFFSET_0+36:
696 case R300_TX_OFFSET_0+40:
697 case R300_TX_OFFSET_0+44:
698 case R300_TX_OFFSET_0+48:
699 case R300_TX_OFFSET_0+52:
700 case R300_TX_OFFSET_0+56:
701 case R300_TX_OFFSET_0+60:
702 i = (reg - R300_TX_OFFSET_0) >> 2;
703 r = r100_cs_packet_next_reloc(p, &reloc);
704 if (r) {
705 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
706 idx, reg);
707 r100_cs_dump_packet(p, pkt);
708 return r;
709 }
710
711 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
712 tile_flags |= R300_TXO_MACRO_TILE;
713 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
714 tile_flags |= R300_TXO_MICRO_TILE;
715 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
716 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
717
718 tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
719 tmp |= tile_flags;
720 ib[idx] = tmp;
721 track->textures[i].robj = reloc->robj;
722 track->tex_dirty = true;
723 break;
724 /* Tracked registers */
725 case 0x2084:
726 /* VAP_VF_CNTL */
727 track->vap_vf_cntl = idx_value;
728 break;
729 case 0x20B4:
730 /* VAP_VTX_SIZE */
731 track->vtx_size = idx_value & 0x7F;
732 break;
733 case 0x2134:
734 /* VAP_VF_MAX_VTX_INDX */
735 track->max_indx = idx_value & 0x00FFFFFFUL;
736 break;
737 case 0x2088:
738 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
739 if (p->rdev->family < CHIP_RV515)
740 goto fail;
741 track->vap_alt_nverts = idx_value & 0xFFFFFF;
742 break;
743 case 0x43E4:
744 /* SC_SCISSOR1 */
745 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
746 if (p->rdev->family < CHIP_RV515) {
747 track->maxy -= 1440;
748 }
749 track->cb_dirty = true;
750 track->zb_dirty = true;
751 break;
752 case 0x4E00:
753 /* RB3D_CCTL */
754 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
755 p->rdev->cmask_filp != p->filp) {
756 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
757 return -EINVAL;
758 }
759 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
760 track->cb_dirty = true;
761 break;
762 case 0x4E38:
763 case 0x4E3C:
764 case 0x4E40:
765 case 0x4E44:
766 /* RB3D_COLORPITCH0 */
767 /* RB3D_COLORPITCH1 */
768 /* RB3D_COLORPITCH2 */
769 /* RB3D_COLORPITCH3 */
770 r = r100_cs_packet_next_reloc(p, &reloc);
771 if (r) {
772 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
773 idx, reg);
774 r100_cs_dump_packet(p, pkt);
775 return r;
776 }
777
778 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
779 tile_flags |= R300_COLOR_TILE_ENABLE;
780 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
781 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
782 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
783 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
784
785 tmp = idx_value & ~(0x7 << 16);
786 tmp |= tile_flags;
787 ib[idx] = tmp;
788 i = (reg - 0x4E38) >> 2;
789 track->cb[i].pitch = idx_value & 0x3FFE;
790 switch (((idx_value >> 21) & 0xF)) {
791 case 9:
792 case 11:
793 case 12:
794 track->cb[i].cpp = 1;
795 break;
796 case 3:
797 case 4:
798 case 13:
799 case 15:
800 track->cb[i].cpp = 2;
801 break;
802 case 5:
803 if (p->rdev->family < CHIP_RV515) {
804 DRM_ERROR("Invalid color buffer format (%d)!\n",
805 ((idx_value >> 21) & 0xF));
806 return -EINVAL;
807 }
808 /* Pass through. */
809 case 6:
810 track->cb[i].cpp = 4;
811 break;
812 case 10:
813 track->cb[i].cpp = 8;
814 break;
815 case 7:
816 track->cb[i].cpp = 16;
817 break;
818 default:
819 DRM_ERROR("Invalid color buffer format (%d) !\n",
820 ((idx_value >> 21) & 0xF));
821 return -EINVAL;
822 }
823 track->cb_dirty = true;
824 break;
825 case 0x4F00:
826 /* ZB_CNTL */
827 if (idx_value & 2) {
828 track->z_enabled = true;
829 } else {
830 track->z_enabled = false;
831 }
832 track->zb_dirty = true;
833 break;
834 case 0x4F10:
835 /* ZB_FORMAT */
836 switch ((idx_value & 0xF)) {
837 case 0:
838 case 1:
839 track->zb.cpp = 2;
840 break;
841 case 2:
842 track->zb.cpp = 4;
843 break;
844 default:
845 DRM_ERROR("Invalid z buffer format (%d) !\n",
846 (idx_value & 0xF));
847 return -EINVAL;
848 }
849 track->zb_dirty = true;
850 break;
851 case 0x4F24:
852 /* ZB_DEPTHPITCH */
853 r = r100_cs_packet_next_reloc(p, &reloc);
854 if (r) {
855 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
856 idx, reg);
857 r100_cs_dump_packet(p, pkt);
858 return r;
859 }
860
861 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
862 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
863 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
864 tile_flags |= R300_DEPTHMICROTILE_TILED;
865 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
866 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
867
868 tmp = idx_value & ~(0x7 << 16);
869 tmp |= tile_flags;
870 ib[idx] = tmp;
871
872 track->zb.pitch = idx_value & 0x3FFC;
873 track->zb_dirty = true;
874 break;
875 case 0x4104:
876 /* TX_ENABLE */
877 for (i = 0; i < 16; i++) {
878 bool enabled;
879
880 enabled = !!(idx_value & (1 << i));
881 track->textures[i].enabled = enabled;
882 }
883 track->tex_dirty = true;
884 break;
885 case 0x44C0:
886 case 0x44C4:
887 case 0x44C8:
888 case 0x44CC:
889 case 0x44D0:
890 case 0x44D4:
891 case 0x44D8:
892 case 0x44DC:
893 case 0x44E0:
894 case 0x44E4:
895 case 0x44E8:
896 case 0x44EC:
897 case 0x44F0:
898 case 0x44F4:
899 case 0x44F8:
900 case 0x44FC:
901 /* TX_FORMAT1_[0-15] */
902 i = (reg - 0x44C0) >> 2;
903 tmp = (idx_value >> 25) & 0x3;
904 track->textures[i].tex_coord_type = tmp;
905 switch ((idx_value & 0x1F)) {
906 case R300_TX_FORMAT_X8:
907 case R300_TX_FORMAT_Y4X4:
908 case R300_TX_FORMAT_Z3Y3X2:
909 track->textures[i].cpp = 1;
910 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
911 break;
912 case R300_TX_FORMAT_X16:
913 case R300_TX_FORMAT_FL_I16:
914 case R300_TX_FORMAT_Y8X8:
915 case R300_TX_FORMAT_Z5Y6X5:
916 case R300_TX_FORMAT_Z6Y5X5:
917 case R300_TX_FORMAT_W4Z4Y4X4:
918 case R300_TX_FORMAT_W1Z5Y5X5:
919 case R300_TX_FORMAT_D3DMFT_CxV8U8:
920 case R300_TX_FORMAT_B8G8_B8G8:
921 case R300_TX_FORMAT_G8R8_G8B8:
922 track->textures[i].cpp = 2;
923 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
924 break;
925 case R300_TX_FORMAT_Y16X16:
926 case R300_TX_FORMAT_FL_I16A16:
927 case R300_TX_FORMAT_Z11Y11X10:
928 case R300_TX_FORMAT_Z10Y11X11:
929 case R300_TX_FORMAT_W8Z8Y8X8:
930 case R300_TX_FORMAT_W2Z10Y10X10:
931 case 0x17:
932 case R300_TX_FORMAT_FL_I32:
933 case 0x1e:
934 track->textures[i].cpp = 4;
935 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
936 break;
937 case R300_TX_FORMAT_W16Z16Y16X16:
938 case R300_TX_FORMAT_FL_R16G16B16A16:
939 case R300_TX_FORMAT_FL_I32A32:
940 track->textures[i].cpp = 8;
941 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
942 break;
943 case R300_TX_FORMAT_FL_R32G32B32A32:
944 track->textures[i].cpp = 16;
945 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
946 break;
947 case R300_TX_FORMAT_DXT1:
948 track->textures[i].cpp = 1;
949 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
950 break;
951 case R300_TX_FORMAT_ATI2N:
952 if (p->rdev->family < CHIP_R420) {
953 DRM_ERROR("Invalid texture format %u\n",
954 (idx_value & 0x1F));
955 return -EINVAL;
956 }
957 /* The same rules apply as for DXT3/5. */
958 /* Pass through. */
959 case R300_TX_FORMAT_DXT3:
960 case R300_TX_FORMAT_DXT5:
961 track->textures[i].cpp = 1;
962 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
963 break;
964 default:
965 DRM_ERROR("Invalid texture format %u\n",
966 (idx_value & 0x1F));
967 return -EINVAL;
968 }
969 track->tex_dirty = true;
970 break;
971 case 0x4400:
972 case 0x4404:
973 case 0x4408:
974 case 0x440C:
975 case 0x4410:
976 case 0x4414:
977 case 0x4418:
978 case 0x441C:
979 case 0x4420:
980 case 0x4424:
981 case 0x4428:
982 case 0x442C:
983 case 0x4430:
984 case 0x4434:
985 case 0x4438:
986 case 0x443C:
987 /* TX_FILTER0_[0-15] */
988 i = (reg - 0x4400) >> 2;
989 tmp = idx_value & 0x7;
990 if (tmp == 2 || tmp == 4 || tmp == 6) {
991 track->textures[i].roundup_w = false;
992 }
993 tmp = (idx_value >> 3) & 0x7;
994 if (tmp == 2 || tmp == 4 || tmp == 6) {
995 track->textures[i].roundup_h = false;
996 }
997 track->tex_dirty = true;
998 break;
999 case 0x4500:
1000 case 0x4504:
1001 case 0x4508:
1002 case 0x450C:
1003 case 0x4510:
1004 case 0x4514:
1005 case 0x4518:
1006 case 0x451C:
1007 case 0x4520:
1008 case 0x4524:
1009 case 0x4528:
1010 case 0x452C:
1011 case 0x4530:
1012 case 0x4534:
1013 case 0x4538:
1014 case 0x453C:
1015 /* TX_FORMAT2_[0-15] */
1016 i = (reg - 0x4500) >> 2;
1017 tmp = idx_value & 0x3FFF;
1018 track->textures[i].pitch = tmp + 1;
1019 if (p->rdev->family >= CHIP_RV515) {
1020 tmp = ((idx_value >> 15) & 1) << 11;
1021 track->textures[i].width_11 = tmp;
1022 tmp = ((idx_value >> 16) & 1) << 11;
1023 track->textures[i].height_11 = tmp;
1024
1025 /* ATI1N */
1026 if (idx_value & (1 << 14)) {
1027 /* The same rules apply as for DXT1. */
1028 track->textures[i].compress_format =
1029 R100_TRACK_COMP_DXT1;
1030 }
1031 } else if (idx_value & (1 << 14)) {
1032 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1033 return -EINVAL;
1034 }
1035 track->tex_dirty = true;
1036 break;
1037 case 0x4480:
1038 case 0x4484:
1039 case 0x4488:
1040 case 0x448C:
1041 case 0x4490:
1042 case 0x4494:
1043 case 0x4498:
1044 case 0x449C:
1045 case 0x44A0:
1046 case 0x44A4:
1047 case 0x44A8:
1048 case 0x44AC:
1049 case 0x44B0:
1050 case 0x44B4:
1051 case 0x44B8:
1052 case 0x44BC:
1053 /* TX_FORMAT0_[0-15] */
1054 i = (reg - 0x4480) >> 2;
1055 tmp = idx_value & 0x7FF;
1056 track->textures[i].width = tmp + 1;
1057 tmp = (idx_value >> 11) & 0x7FF;
1058 track->textures[i].height = tmp + 1;
1059 tmp = (idx_value >> 26) & 0xF;
1060 track->textures[i].num_levels = tmp;
1061 tmp = idx_value & (1 << 31);
1062 track->textures[i].use_pitch = !!tmp;
1063 tmp = (idx_value >> 22) & 0xF;
1064 track->textures[i].txdepth = tmp;
1065 track->tex_dirty = true;
1066 break;
1067 case R300_ZB_ZPASS_ADDR:
1068 r = r100_cs_packet_next_reloc(p, &reloc);
1069 if (r) {
1070 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1071 idx, reg);
1072 r100_cs_dump_packet(p, pkt);
1073 return r;
1074 }
1075 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1076 break;
1077 case 0x4e0c:
1078 /* RB3D_COLOR_CHANNEL_MASK */
1079 track->color_channel_mask = idx_value;
1080 track->cb_dirty = true;
1081 break;
1082 case 0x43a4:
1083 /* SC_HYPERZ_EN */
1084 /* r300c emits this register - we need to disable hyperz for it
1085 * without complaining */
1086 if (p->rdev->hyperz_filp != p->filp) {
1087 if (idx_value & 0x1)
1088 ib[idx] = idx_value & ~1;
1089 }
1090 break;
1091 case 0x4f1c:
1092 /* ZB_BW_CNTL */
1093 track->zb_cb_clear = !!(idx_value & (1 << 5));
1094 track->cb_dirty = true;
1095 track->zb_dirty = true;
1096 if (p->rdev->hyperz_filp != p->filp) {
1097 if (idx_value & (R300_HIZ_ENABLE |
1098 R300_RD_COMP_ENABLE |
1099 R300_WR_COMP_ENABLE |
1100 R300_FAST_FILL_ENABLE))
1101 goto fail;
1102 }
1103 break;
1104 case 0x4e04:
1105 /* RB3D_BLENDCNTL */
1106 track->blend_read_enable = !!(idx_value & (1 << 2));
1107 track->cb_dirty = true;
1108 break;
1109 case R300_RB3D_AARESOLVE_OFFSET:
1110 r = r100_cs_packet_next_reloc(p, &reloc);
1111 if (r) {
1112 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1113 idx, reg);
1114 r100_cs_dump_packet(p, pkt);
1115 return r;
1116 }
1117 track->aa.robj = reloc->robj;
1118 track->aa.offset = idx_value;
1119 track->aa_dirty = true;
1120 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1121 break;
1122 case R300_RB3D_AARESOLVE_PITCH:
1123 track->aa.pitch = idx_value & 0x3FFE;
1124 track->aa_dirty = true;
1125 break;
1126 case R300_RB3D_AARESOLVE_CTL:
1127 track->aaresolve = idx_value & 0x1;
1128 track->aa_dirty = true;
1129 break;
1130 case 0x4f30: /* ZB_MASK_OFFSET */
1131 case 0x4f34: /* ZB_ZMASK_PITCH */
1132 case 0x4f44: /* ZB_HIZ_OFFSET */
1133 case 0x4f54: /* ZB_HIZ_PITCH */
1134 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1135 goto fail;
1136 break;
1137 case 0x4028:
1138 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1139 goto fail;
1140 /* GB_Z_PEQ_CONFIG */
1141 if (p->rdev->family >= CHIP_RV350)
1142 break;
1143 goto fail;
1144 break;
1145 case 0x4be8:
1146 /* valid register only on RV530 */
1147 if (p->rdev->family == CHIP_RV530)
1148 break;
1149 /* fallthrough do not move */
1150 default:
1151 goto fail;
1152 }
1153 return 0;
1154 fail:
1155 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1156 reg, idx, idx_value);
1157 return -EINVAL;
1158 }
1159
1160 static int r300_packet3_check(struct radeon_cs_parser *p,
1161 struct radeon_cs_packet *pkt)
1162 {
1163 struct radeon_cs_reloc *reloc;
1164 struct r100_cs_track *track;
1165 volatile uint32_t *ib;
1166 unsigned idx;
1167 int r;
1168
1169 ib = p->ib->ptr;
1170 idx = pkt->idx + 1;
1171 track = (struct r100_cs_track *)p->track;
1172 switch(pkt->opcode) {
1173 case PACKET3_3D_LOAD_VBPNTR:
1174 r = r100_packet3_load_vbpntr(p, pkt, idx);
1175 if (r)
1176 return r;
1177 break;
1178 case PACKET3_INDX_BUFFER:
1179 r = r100_cs_packet_next_reloc(p, &reloc);
1180 if (r) {
1181 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1182 r100_cs_dump_packet(p, pkt);
1183 return r;
1184 }
1185 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
1186 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1187 if (r) {
1188 return r;
1189 }
1190 break;
1191 /* Draw packet */
1192 case PACKET3_3D_DRAW_IMMD:
1193 /* Number of dwords is vtx_size * (num_vertices - 1)
1194 * PRIM_WALK must be equal to 3 vertex data in embedded
1195 * in cmd stream */
1196 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1197 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1198 return -EINVAL;
1199 }
1200 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1201 track->immd_dwords = pkt->count - 1;
1202 r = r100_cs_track_check(p->rdev, track);
1203 if (r) {
1204 return r;
1205 }
1206 break;
1207 case PACKET3_3D_DRAW_IMMD_2:
1208 /* Number of dwords is vtx_size * (num_vertices - 1)
1209 * PRIM_WALK must be equal to 3 vertex data in embedded
1210 * in cmd stream */
1211 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1212 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1213 return -EINVAL;
1214 }
1215 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1216 track->immd_dwords = pkt->count;
1217 r = r100_cs_track_check(p->rdev, track);
1218 if (r) {
1219 return r;
1220 }
1221 break;
1222 case PACKET3_3D_DRAW_VBUF:
1223 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1224 r = r100_cs_track_check(p->rdev, track);
1225 if (r) {
1226 return r;
1227 }
1228 break;
1229 case PACKET3_3D_DRAW_VBUF_2:
1230 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1231 r = r100_cs_track_check(p->rdev, track);
1232 if (r) {
1233 return r;
1234 }
1235 break;
1236 case PACKET3_3D_DRAW_INDX:
1237 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1238 r = r100_cs_track_check(p->rdev, track);
1239 if (r) {
1240 return r;
1241 }
1242 break;
1243 case PACKET3_3D_DRAW_INDX_2:
1244 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1245 r = r100_cs_track_check(p->rdev, track);
1246 if (r) {
1247 return r;
1248 }
1249 break;
1250 case PACKET3_3D_CLEAR_HIZ:
1251 case PACKET3_3D_CLEAR_ZMASK:
1252 if (p->rdev->hyperz_filp != p->filp)
1253 return -EINVAL;
1254 break;
1255 case PACKET3_3D_CLEAR_CMASK:
1256 if (p->rdev->cmask_filp != p->filp)
1257 return -EINVAL;
1258 break;
1259 case PACKET3_NOP:
1260 break;
1261 default:
1262 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1263 return -EINVAL;
1264 }
1265 return 0;
1266 }
1267
1268 int r300_cs_parse(struct radeon_cs_parser *p)
1269 {
1270 struct radeon_cs_packet pkt;
1271 struct r100_cs_track *track;
1272 int r;
1273
1274 track = kzalloc(sizeof(*track), GFP_KERNEL);
1275 if (track == NULL)
1276 return -ENOMEM;
1277 r100_cs_track_clear(p->rdev, track);
1278 p->track = track;
1279 do {
1280 r = r100_cs_packet_parse(p, &pkt, p->idx);
1281 if (r) {
1282 return r;
1283 }
1284 p->idx += pkt.count + 2;
1285 switch (pkt.type) {
1286 case PACKET_TYPE0:
1287 r = r100_cs_parse_packet0(p, &pkt,
1288 p->rdev->config.r300.reg_safe_bm,
1289 p->rdev->config.r300.reg_safe_bm_size,
1290 &r300_packet0_check);
1291 break;
1292 case PACKET_TYPE2:
1293 break;
1294 case PACKET_TYPE3:
1295 r = r300_packet3_check(p, &pkt);
1296 break;
1297 default:
1298 DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1299 return -EINVAL;
1300 }
1301 if (r) {
1302 return r;
1303 }
1304 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1305 return 0;
1306 }
1307
1308 void r300_set_reg_safe(struct radeon_device *rdev)
1309 {
1310 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1311 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1312 }
1313
1314 void r300_mc_program(struct radeon_device *rdev)
1315 {
1316 struct r100_mc_save save;
1317 int r;
1318
1319 r = r100_debugfs_mc_info_init(rdev);
1320 if (r) {
1321 dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1322 }
1323
1324 /* Stops all mc clients */
1325 r100_mc_stop(rdev, &save);
1326 if (rdev->flags & RADEON_IS_AGP) {
1327 WREG32(R_00014C_MC_AGP_LOCATION,
1328 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1329 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1330 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1331 WREG32(R_00015C_AGP_BASE_2,
1332 upper_32_bits(rdev->mc.agp_base) & 0xff);
1333 } else {
1334 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1335 WREG32(R_000170_AGP_BASE, 0);
1336 WREG32(R_00015C_AGP_BASE_2, 0);
1337 }
1338 /* Wait for mc idle */
1339 if (r300_mc_wait_for_idle(rdev))
1340 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1341 /* Program MC, should be a 32bits limited address space */
1342 WREG32(R_000148_MC_FB_LOCATION,
1343 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1344 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1345 r100_mc_resume(rdev, &save);
1346 }
1347
1348 void r300_clock_startup(struct radeon_device *rdev)
1349 {
1350 u32 tmp;
1351
1352 if (radeon_dynclks != -1 && radeon_dynclks)
1353 radeon_legacy_set_clock_gating(rdev, 1);
1354 /* We need to force on some of the block */
1355 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1356 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1357 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1358 tmp |= S_00000D_FORCE_VAP(1);
1359 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1360 }
1361
1362 static int r300_startup(struct radeon_device *rdev)
1363 {
1364 int r;
1365
1366 /* set common regs */
1367 r100_set_common_regs(rdev);
1368 /* program mc */
1369 r300_mc_program(rdev);
1370 /* Resume clock */
1371 r300_clock_startup(rdev);
1372 /* Initialize GPU configuration (# pipes, ...) */
1373 r300_gpu_init(rdev);
1374 /* Initialize GART (initialize after TTM so we can allocate
1375 * memory through TTM but finalize after TTM) */
1376 if (rdev->flags & RADEON_IS_PCIE) {
1377 r = rv370_pcie_gart_enable(rdev);
1378 if (r)
1379 return r;
1380 }
1381
1382 if (rdev->family == CHIP_R300 ||
1383 rdev->family == CHIP_R350 ||
1384 rdev->family == CHIP_RV350)
1385 r100_enable_bm(rdev);
1386
1387 if (rdev->flags & RADEON_IS_PCI) {
1388 r = r100_pci_gart_enable(rdev);
1389 if (r)
1390 return r;
1391 }
1392
1393 /* allocate wb buffer */
1394 r = radeon_wb_init(rdev);
1395 if (r)
1396 return r;
1397
1398 /* Enable IRQ */
1399 r100_irq_set(rdev);
1400 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1401 /* 1M ring buffer */
1402 r = r100_cp_init(rdev, 1024 * 1024);
1403 if (r) {
1404 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
1405 return r;
1406 }
1407 r = r100_ib_init(rdev);
1408 if (r) {
1409 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
1410 return r;
1411 }
1412 return 0;
1413 }
1414
1415 int r300_resume(struct radeon_device *rdev)
1416 {
1417 /* Make sur GART are not working */
1418 if (rdev->flags & RADEON_IS_PCIE)
1419 rv370_pcie_gart_disable(rdev);
1420 if (rdev->flags & RADEON_IS_PCI)
1421 r100_pci_gart_disable(rdev);
1422 /* Resume clock before doing reset */
1423 r300_clock_startup(rdev);
1424 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1425 if (radeon_asic_reset(rdev)) {
1426 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1427 RREG32(R_000E40_RBBM_STATUS),
1428 RREG32(R_0007C0_CP_STAT));
1429 }
1430 /* post */
1431 radeon_combios_asic_init(rdev->ddev);
1432 /* Resume clock after posting */
1433 r300_clock_startup(rdev);
1434 /* Initialize surface registers */
1435 radeon_surface_init(rdev);
1436 return r300_startup(rdev);
1437 }
1438
1439 int r300_suspend(struct radeon_device *rdev)
1440 {
1441 r100_cp_disable(rdev);
1442 radeon_wb_disable(rdev);
1443 r100_irq_disable(rdev);
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 return 0;
1449 }
1450
1451 void r300_fini(struct radeon_device *rdev)
1452 {
1453 r100_cp_fini(rdev);
1454 radeon_wb_fini(rdev);
1455 r100_ib_fini(rdev);
1456 radeon_gem_fini(rdev);
1457 if (rdev->flags & RADEON_IS_PCIE)
1458 rv370_pcie_gart_fini(rdev);
1459 if (rdev->flags & RADEON_IS_PCI)
1460 r100_pci_gart_fini(rdev);
1461 radeon_agp_fini(rdev);
1462 radeon_irq_kms_fini(rdev);
1463 radeon_fence_driver_fini(rdev);
1464 radeon_bo_fini(rdev);
1465 radeon_atombios_fini(rdev);
1466 kfree(rdev->bios);
1467 rdev->bios = NULL;
1468 }
1469
1470 int r300_init(struct radeon_device *rdev)
1471 {
1472 int r;
1473
1474 /* Disable VGA */
1475 r100_vga_render_disable(rdev);
1476 /* Initialize scratch registers */
1477 radeon_scratch_init(rdev);
1478 /* Initialize surface registers */
1479 radeon_surface_init(rdev);
1480 /* TODO: disable VGA need to use VGA request */
1481 /* restore some register to sane defaults */
1482 r100_restore_sanity(rdev);
1483 /* BIOS*/
1484 if (!radeon_get_bios(rdev)) {
1485 if (ASIC_IS_AVIVO(rdev))
1486 return -EINVAL;
1487 }
1488 if (rdev->is_atom_bios) {
1489 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1490 return -EINVAL;
1491 } else {
1492 r = radeon_combios_init(rdev);
1493 if (r)
1494 return r;
1495 }
1496 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1497 if (radeon_asic_reset(rdev)) {
1498 dev_warn(rdev->dev,
1499 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1500 RREG32(R_000E40_RBBM_STATUS),
1501 RREG32(R_0007C0_CP_STAT));
1502 }
1503 /* check if cards are posted or not */
1504 if (radeon_boot_test_post_card(rdev) == false)
1505 return -EINVAL;
1506 /* Set asic errata */
1507 r300_errata(rdev);
1508 /* Initialize clocks */
1509 radeon_get_clock_info(rdev->ddev);
1510 /* initialize AGP */
1511 if (rdev->flags & RADEON_IS_AGP) {
1512 r = radeon_agp_init(rdev);
1513 if (r) {
1514 radeon_agp_disable(rdev);
1515 }
1516 }
1517 /* initialize memory controller */
1518 r300_mc_init(rdev);
1519 /* Fence driver */
1520 r = radeon_fence_driver_init(rdev);
1521 if (r)
1522 return r;
1523 r = radeon_irq_kms_init(rdev);
1524 if (r)
1525 return r;
1526 /* Memory manager */
1527 r = radeon_bo_init(rdev);
1528 if (r)
1529 return r;
1530 if (rdev->flags & RADEON_IS_PCIE) {
1531 r = rv370_pcie_gart_init(rdev);
1532 if (r)
1533 return r;
1534 }
1535 if (rdev->flags & RADEON_IS_PCI) {
1536 r = r100_pci_gart_init(rdev);
1537 if (r)
1538 return r;
1539 }
1540 r300_set_reg_safe(rdev);
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 r100_ib_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 }
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