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MIPS: Yosemite, Emma: Fix off-by-two in arcs_cmdline buffer size check
[linux-2.6/linux-mips.git] / drivers / gpu / drm / radeon / r300.c
blob33f2b68c680b349a5d9e097776d329fc047a37ef
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%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
154 void rv370_pcie_gart_disable(struct radeon_device *rdev)
155 {
156 u32 tmp;
157 int r;
158
159 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
160 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
161 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
162 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
163 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
164 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
165 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
166 if (rdev->gart.table.vram.robj) {
167 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
168 if (likely(r == 0)) {
169 radeon_bo_kunmap(rdev->gart.table.vram.robj);
170 radeon_bo_unpin(rdev->gart.table.vram.robj);
171 radeon_bo_unreserve(rdev->gart.table.vram.robj);
172 }
173 }
174 }
175
176 void rv370_pcie_gart_fini(struct radeon_device *rdev)
177 {
178 radeon_gart_fini(rdev);
179 rv370_pcie_gart_disable(rdev);
180 radeon_gart_table_vram_free(rdev);
181 }
182
183 void r300_fence_ring_emit(struct radeon_device *rdev,
184 struct radeon_fence *fence)
185 {
186 /* Who ever call radeon_fence_emit should call ring_lock and ask
187 * for enough space (today caller are ib schedule and buffer move) */
188 /* Write SC register so SC & US assert idle */
189 radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_TL, 0));
190 radeon_ring_write(rdev, 0);
191 radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_BR, 0));
192 radeon_ring_write(rdev, 0);
193 /* Flush 3D cache */
194 radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
195 radeon_ring_write(rdev, R300_RB3D_DC_FLUSH);
196 radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
197 radeon_ring_write(rdev, R300_ZC_FLUSH);
198 /* Wait until IDLE & CLEAN */
199 radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
200 radeon_ring_write(rdev, (RADEON_WAIT_3D_IDLECLEAN |
201 RADEON_WAIT_2D_IDLECLEAN |
202 RADEON_WAIT_DMA_GUI_IDLE));
203 radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
204 radeon_ring_write(rdev, rdev->config.r300.hdp_cntl |
205 RADEON_HDP_READ_BUFFER_INVALIDATE);
206 radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
207 radeon_ring_write(rdev, rdev->config.r300.hdp_cntl);
208 /* Emit fence sequence & fire IRQ */
209 radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
210 radeon_ring_write(rdev, fence->seq);
211 radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
212 radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
213 }
214
215 void r300_ring_start(struct radeon_device *rdev)
216 {
217 unsigned gb_tile_config;
218 int r;
219
220 /* Sub pixel 1/12 so we can have 4K rendering according to doc */
221 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
222 switch(rdev->num_gb_pipes) {
223 case 2:
224 gb_tile_config |= R300_PIPE_COUNT_R300;
225 break;
226 case 3:
227 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
228 break;
229 case 4:
230 gb_tile_config |= R300_PIPE_COUNT_R420;
231 break;
232 case 1:
233 default:
234 gb_tile_config |= R300_PIPE_COUNT_RV350;
235 break;
236 }
237
238 r = radeon_ring_lock(rdev, 64);
239 if (r) {
240 return;
241 }
242 radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
243 radeon_ring_write(rdev,
244 RADEON_ISYNC_ANY2D_IDLE3D |
245 RADEON_ISYNC_ANY3D_IDLE2D |
246 RADEON_ISYNC_WAIT_IDLEGUI |
247 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
248 radeon_ring_write(rdev, PACKET0(R300_GB_TILE_CONFIG, 0));
249 radeon_ring_write(rdev, gb_tile_config);
250 radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
251 radeon_ring_write(rdev,
252 RADEON_WAIT_2D_IDLECLEAN |
253 RADEON_WAIT_3D_IDLECLEAN);
254 radeon_ring_write(rdev, PACKET0(R300_DST_PIPE_CONFIG, 0));
255 radeon_ring_write(rdev, R300_PIPE_AUTO_CONFIG);
256 radeon_ring_write(rdev, PACKET0(R300_GB_SELECT, 0));
257 radeon_ring_write(rdev, 0);
258 radeon_ring_write(rdev, PACKET0(R300_GB_ENABLE, 0));
259 radeon_ring_write(rdev, 0);
260 radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
261 radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
262 radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
263 radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
264 radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
265 radeon_ring_write(rdev,
266 RADEON_WAIT_2D_IDLECLEAN |
267 RADEON_WAIT_3D_IDLECLEAN);
268 radeon_ring_write(rdev, PACKET0(R300_GB_AA_CONFIG, 0));
269 radeon_ring_write(rdev, 0);
270 radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
271 radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
272 radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
273 radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
274 radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS0, 0));
275 radeon_ring_write(rdev,
276 ((6 << R300_MS_X0_SHIFT) |
277 (6 << R300_MS_Y0_SHIFT) |
278 (6 << R300_MS_X1_SHIFT) |
279 (6 << R300_MS_Y1_SHIFT) |
280 (6 << R300_MS_X2_SHIFT) |
281 (6 << R300_MS_Y2_SHIFT) |
282 (6 << R300_MSBD0_Y_SHIFT) |
283 (6 << R300_MSBD0_X_SHIFT)));
284 radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS1, 0));
285 radeon_ring_write(rdev,
286 ((6 << R300_MS_X3_SHIFT) |
287 (6 << R300_MS_Y3_SHIFT) |
288 (6 << R300_MS_X4_SHIFT) |
289 (6 << R300_MS_Y4_SHIFT) |
290 (6 << R300_MS_X5_SHIFT) |
291 (6 << R300_MS_Y5_SHIFT) |
292 (6 << R300_MSBD1_SHIFT)));
293 radeon_ring_write(rdev, PACKET0(R300_GA_ENHANCE, 0));
294 radeon_ring_write(rdev, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
295 radeon_ring_write(rdev, PACKET0(R300_GA_POLY_MODE, 0));
296 radeon_ring_write(rdev,
297 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
298 radeon_ring_write(rdev, PACKET0(R300_GA_ROUND_MODE, 0));
299 radeon_ring_write(rdev,
300 R300_GEOMETRY_ROUND_NEAREST |
301 R300_COLOR_ROUND_NEAREST);
302 radeon_ring_unlock_commit(rdev);
303 }
304
305 void r300_errata(struct radeon_device *rdev)
306 {
307 rdev->pll_errata = 0;
308
309 if (rdev->family == CHIP_R300 &&
310 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
311 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
312 }
313 }
314
315 int r300_mc_wait_for_idle(struct radeon_device *rdev)
316 {
317 unsigned i;
318 uint32_t tmp;
319
320 for (i = 0; i < rdev->usec_timeout; i++) {
321 /* read MC_STATUS */
322 tmp = RREG32(RADEON_MC_STATUS);
323 if (tmp & R300_MC_IDLE) {
324 return 0;
325 }
326 DRM_UDELAY(1);
327 }
328 return -1;
329 }
330
331 void r300_gpu_init(struct radeon_device *rdev)
332 {
333 uint32_t gb_tile_config, tmp;
334
335 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
336 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
337 /* r300,r350 */
338 rdev->num_gb_pipes = 2;
339 } else {
340 /* rv350,rv370,rv380,r300 AD, r350 AH */
341 rdev->num_gb_pipes = 1;
342 }
343 rdev->num_z_pipes = 1;
344 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
345 switch (rdev->num_gb_pipes) {
346 case 2:
347 gb_tile_config |= R300_PIPE_COUNT_R300;
348 break;
349 case 3:
350 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
351 break;
352 case 4:
353 gb_tile_config |= R300_PIPE_COUNT_R420;
354 break;
355 default:
356 case 1:
357 gb_tile_config |= R300_PIPE_COUNT_RV350;
358 break;
359 }
360 WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
361
362 if (r100_gui_wait_for_idle(rdev)) {
363 printk(KERN_WARNING "Failed to wait GUI idle while "
364 "programming pipes. Bad things might happen.\n");
365 }
366
367 tmp = RREG32(R300_DST_PIPE_CONFIG);
368 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
369
370 WREG32(R300_RB2D_DSTCACHE_MODE,
371 R300_DC_AUTOFLUSH_ENABLE |
372 R300_DC_DC_DISABLE_IGNORE_PE);
373
374 if (r100_gui_wait_for_idle(rdev)) {
375 printk(KERN_WARNING "Failed to wait GUI idle while "
376 "programming pipes. Bad things might happen.\n");
377 }
378 if (r300_mc_wait_for_idle(rdev)) {
379 printk(KERN_WARNING "Failed to wait MC idle while "
380 "programming pipes. Bad things might happen.\n");
381 }
382 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
383 rdev->num_gb_pipes, rdev->num_z_pipes);
384 }
385
386 bool r300_gpu_is_lockup(struct radeon_device *rdev)
387 {
388 u32 rbbm_status;
389 int r;
390
391 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
392 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
393 r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp);
394 return false;
395 }
396 /* force CP activities */
397 r = radeon_ring_lock(rdev, 2);
398 if (!r) {
399 /* PACKET2 NOP */
400 radeon_ring_write(rdev, 0x80000000);
401 radeon_ring_write(rdev, 0x80000000);
402 radeon_ring_unlock_commit(rdev);
403 }
404 rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
405 return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
406 }
407
408 int r300_asic_reset(struct radeon_device *rdev)
409 {
410 struct r100_mc_save save;
411 u32 status, tmp;
412 int ret = 0;
413
414 status = RREG32(R_000E40_RBBM_STATUS);
415 if (!G_000E40_GUI_ACTIVE(status)) {
416 return 0;
417 }
418 r100_mc_stop(rdev, &save);
419 status = RREG32(R_000E40_RBBM_STATUS);
420 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
421 /* stop CP */
422 WREG32(RADEON_CP_CSQ_CNTL, 0);
423 tmp = RREG32(RADEON_CP_RB_CNTL);
424 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
425 WREG32(RADEON_CP_RB_RPTR_WR, 0);
426 WREG32(RADEON_CP_RB_WPTR, 0);
427 WREG32(RADEON_CP_RB_CNTL, tmp);
428 /* save PCI state */
429 pci_save_state(rdev->pdev);
430 /* disable bus mastering */
431 r100_bm_disable(rdev);
432 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
433 S_0000F0_SOFT_RESET_GA(1));
434 RREG32(R_0000F0_RBBM_SOFT_RESET);
435 mdelay(500);
436 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
437 mdelay(1);
438 status = RREG32(R_000E40_RBBM_STATUS);
439 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
440 /* resetting the CP seems to be problematic sometimes it end up
441 * hard locking the computer, but it's necessary for successful
442 * reset more test & playing is needed on R3XX/R4XX to find a
443 * reliable (if any solution)
444 */
445 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
446 RREG32(R_0000F0_RBBM_SOFT_RESET);
447 mdelay(500);
448 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
449 mdelay(1);
450 status = RREG32(R_000E40_RBBM_STATUS);
451 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
452 /* restore PCI & busmastering */
453 pci_restore_state(rdev->pdev);
454 r100_enable_bm(rdev);
455 /* Check if GPU is idle */
456 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
457 dev_err(rdev->dev, "failed to reset GPU\n");
458 rdev->gpu_lockup = true;
459 ret = -1;
460 } else
461 dev_info(rdev->dev, "GPU reset succeed\n");
462 r100_mc_resume(rdev, &save);
463 return ret;
464 }
465
466 /*
467 * r300,r350,rv350,rv380 VRAM info
468 */
469 void r300_mc_init(struct radeon_device *rdev)
470 {
471 u64 base;
472 u32 tmp;
473
474 /* DDR for all card after R300 & IGP */
475 rdev->mc.vram_is_ddr = true;
476 tmp = RREG32(RADEON_MEM_CNTL);
477 tmp &= R300_MEM_NUM_CHANNELS_MASK;
478 switch (tmp) {
479 case 0: rdev->mc.vram_width = 64; break;
480 case 1: rdev->mc.vram_width = 128; break;
481 case 2: rdev->mc.vram_width = 256; break;
482 default: rdev->mc.vram_width = 128; break;
483 }
484 r100_vram_init_sizes(rdev);
485 base = rdev->mc.aper_base;
486 if (rdev->flags & RADEON_IS_IGP)
487 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
488 radeon_vram_location(rdev, &rdev->mc, base);
489 rdev->mc.gtt_base_align = 0;
490 if (!(rdev->flags & RADEON_IS_AGP))
491 radeon_gtt_location(rdev, &rdev->mc);
492 radeon_update_bandwidth_info(rdev);
493 }
494
495 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
496 {
497 uint32_t link_width_cntl, mask;
498
499 if (rdev->flags & RADEON_IS_IGP)
500 return;
501
502 if (!(rdev->flags & RADEON_IS_PCIE))
503 return;
504
505 /* FIXME wait for idle */
506
507 switch (lanes) {
508 case 0:
509 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
510 break;
511 case 1:
512 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
513 break;
514 case 2:
515 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
516 break;
517 case 4:
518 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
519 break;
520 case 8:
521 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
522 break;
523 case 12:
524 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
525 break;
526 case 16:
527 default:
528 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
529 break;
530 }
531
532 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
533
534 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
535 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
536 return;
537
538 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
539 RADEON_PCIE_LC_RECONFIG_NOW |
540 RADEON_PCIE_LC_RECONFIG_LATER |
541 RADEON_PCIE_LC_SHORT_RECONFIG_EN);
542 link_width_cntl |= mask;
543 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
544 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
545 RADEON_PCIE_LC_RECONFIG_NOW));
546
547 /* wait for lane set to complete */
548 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
549 while (link_width_cntl == 0xffffffff)
550 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
551
552 }
553
554 int rv370_get_pcie_lanes(struct radeon_device *rdev)
555 {
556 u32 link_width_cntl;
557
558 if (rdev->flags & RADEON_IS_IGP)
559 return 0;
560
561 if (!(rdev->flags & RADEON_IS_PCIE))
562 return 0;
563
564 /* FIXME wait for idle */
565
566 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
567
568 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
569 case RADEON_PCIE_LC_LINK_WIDTH_X0:
570 return 0;
571 case RADEON_PCIE_LC_LINK_WIDTH_X1:
572 return 1;
573 case RADEON_PCIE_LC_LINK_WIDTH_X2:
574 return 2;
575 case RADEON_PCIE_LC_LINK_WIDTH_X4:
576 return 4;
577 case RADEON_PCIE_LC_LINK_WIDTH_X8:
578 return 8;
579 case RADEON_PCIE_LC_LINK_WIDTH_X16:
580 default:
581 return 16;
582 }
583 }
584
585 #if defined(CONFIG_DEBUG_FS)
586 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
587 {
588 struct drm_info_node *node = (struct drm_info_node *) m->private;
589 struct drm_device *dev = node->minor->dev;
590 struct radeon_device *rdev = dev->dev_private;
591 uint32_t tmp;
592
593 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
594 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
595 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
596 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
597 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
598 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
599 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
600 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
601 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
602 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
603 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
604 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
605 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
606 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
607 return 0;
608 }
609
610 static struct drm_info_list rv370_pcie_gart_info_list[] = {
611 {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
612 };
613 #endif
614
615 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
616 {
617 #if defined(CONFIG_DEBUG_FS)
618 return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
619 #else
620 return 0;
621 #endif
622 }
623
624 static int r300_packet0_check(struct radeon_cs_parser *p,
625 struct radeon_cs_packet *pkt,
626 unsigned idx, unsigned reg)
627 {
628 struct radeon_cs_reloc *reloc;
629 struct r100_cs_track *track;
630 volatile uint32_t *ib;
631 uint32_t tmp, tile_flags = 0;
632 unsigned i;
633 int r;
634 u32 idx_value;
635
636 ib = p->ib->ptr;
637 track = (struct r100_cs_track *)p->track;
638 idx_value = radeon_get_ib_value(p, idx);
639
640 switch(reg) {
641 case AVIVO_D1MODE_VLINE_START_END:
642 case RADEON_CRTC_GUI_TRIG_VLINE:
643 r = r100_cs_packet_parse_vline(p);
644 if (r) {
645 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
646 idx, reg);
647 r100_cs_dump_packet(p, pkt);
648 return r;
649 }
650 break;
651 case RADEON_DST_PITCH_OFFSET:
652 case RADEON_SRC_PITCH_OFFSET:
653 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
654 if (r)
655 return r;
656 break;
657 case R300_RB3D_COLOROFFSET0:
658 case R300_RB3D_COLOROFFSET1:
659 case R300_RB3D_COLOROFFSET2:
660 case R300_RB3D_COLOROFFSET3:
661 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
662 r = r100_cs_packet_next_reloc(p, &reloc);
663 if (r) {
664 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
665 idx, reg);
666 r100_cs_dump_packet(p, pkt);
667 return r;
668 }
669 track->cb[i].robj = reloc->robj;
670 track->cb[i].offset = idx_value;
671 track->cb_dirty = true;
672 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
673 break;
674 case R300_ZB_DEPTHOFFSET:
675 r = r100_cs_packet_next_reloc(p, &reloc);
676 if (r) {
677 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
678 idx, reg);
679 r100_cs_dump_packet(p, pkt);
680 return r;
681 }
682 track->zb.robj = reloc->robj;
683 track->zb.offset = idx_value;
684 track->zb_dirty = true;
685 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
686 break;
687 case R300_TX_OFFSET_0:
688 case R300_TX_OFFSET_0+4:
689 case R300_TX_OFFSET_0+8:
690 case R300_TX_OFFSET_0+12:
691 case R300_TX_OFFSET_0+16:
692 case R300_TX_OFFSET_0+20:
693 case R300_TX_OFFSET_0+24:
694 case R300_TX_OFFSET_0+28:
695 case R300_TX_OFFSET_0+32:
696 case R300_TX_OFFSET_0+36:
697 case R300_TX_OFFSET_0+40:
698 case R300_TX_OFFSET_0+44:
699 case R300_TX_OFFSET_0+48:
700 case R300_TX_OFFSET_0+52:
701 case R300_TX_OFFSET_0+56:
702 case R300_TX_OFFSET_0+60:
703 i = (reg - R300_TX_OFFSET_0) >> 2;
704 r = r100_cs_packet_next_reloc(p, &reloc);
705 if (r) {
706 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
707 idx, reg);
708 r100_cs_dump_packet(p, pkt);
709 return r;
710 }
711
712 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
713 tile_flags |= R300_TXO_MACRO_TILE;
714 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
715 tile_flags |= R300_TXO_MICRO_TILE;
716 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
717 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
718
719 tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
720 tmp |= tile_flags;
721 ib[idx] = tmp;
722 track->textures[i].robj = reloc->robj;
723 track->tex_dirty = true;
724 break;
725 /* Tracked registers */
726 case 0x2084:
727 /* VAP_VF_CNTL */
728 track->vap_vf_cntl = idx_value;
729 break;
730 case 0x20B4:
731 /* VAP_VTX_SIZE */
732 track->vtx_size = idx_value & 0x7F;
733 break;
734 case 0x2134:
735 /* VAP_VF_MAX_VTX_INDX */
736 track->max_indx = idx_value & 0x00FFFFFFUL;
737 break;
738 case 0x2088:
739 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
740 if (p->rdev->family < CHIP_RV515)
741 goto fail;
742 track->vap_alt_nverts = idx_value & 0xFFFFFF;
743 break;
744 case 0x43E4:
745 /* SC_SCISSOR1 */
746 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
747 if (p->rdev->family < CHIP_RV515) {
748 track->maxy -= 1440;
749 }
750 track->cb_dirty = true;
751 track->zb_dirty = true;
752 break;
753 case 0x4E00:
754 /* RB3D_CCTL */
755 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
756 p->rdev->cmask_filp != p->filp) {
757 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
758 return -EINVAL;
759 }
760 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
761 track->cb_dirty = true;
762 break;
763 case 0x4E38:
764 case 0x4E3C:
765 case 0x4E40:
766 case 0x4E44:
767 /* RB3D_COLORPITCH0 */
768 /* RB3D_COLORPITCH1 */
769 /* RB3D_COLORPITCH2 */
770 /* RB3D_COLORPITCH3 */
771 r = r100_cs_packet_next_reloc(p, &reloc);
772 if (r) {
773 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
774 idx, reg);
775 r100_cs_dump_packet(p, pkt);
776 return r;
777 }
778
779 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
780 tile_flags |= R300_COLOR_TILE_ENABLE;
781 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
782 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
783 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
784 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
785
786 tmp = idx_value & ~(0x7 << 16);
787 tmp |= tile_flags;
788 ib[idx] = tmp;
789 i = (reg - 0x4E38) >> 2;
790 track->cb[i].pitch = idx_value & 0x3FFE;
791 switch (((idx_value >> 21) & 0xF)) {
792 case 9:
793 case 11:
794 case 12:
795 track->cb[i].cpp = 1;
796 break;
797 case 3:
798 case 4:
799 case 13:
800 case 15:
801 track->cb[i].cpp = 2;
802 break;
803 case 5:
804 if (p->rdev->family < CHIP_RV515) {
805 DRM_ERROR("Invalid color buffer format (%d)!\n",
806 ((idx_value >> 21) & 0xF));
807 return -EINVAL;
808 }
809 /* Pass through. */
810 case 6:
811 track->cb[i].cpp = 4;
812 break;
813 case 10:
814 track->cb[i].cpp = 8;
815 break;
816 case 7:
817 track->cb[i].cpp = 16;
818 break;
819 default:
820 DRM_ERROR("Invalid color buffer format (%d) !\n",
821 ((idx_value >> 21) & 0xF));
822 return -EINVAL;
823 }
824 track->cb_dirty = true;
825 break;
826 case 0x4F00:
827 /* ZB_CNTL */
828 if (idx_value & 2) {
829 track->z_enabled = true;
830 } else {
831 track->z_enabled = false;
832 }
833 track->zb_dirty = true;
834 break;
835 case 0x4F10:
836 /* ZB_FORMAT */
837 switch ((idx_value & 0xF)) {
838 case 0:
839 case 1:
840 track->zb.cpp = 2;
841 break;
842 case 2:
843 track->zb.cpp = 4;
844 break;
845 default:
846 DRM_ERROR("Invalid z buffer format (%d) !\n",
847 (idx_value & 0xF));
848 return -EINVAL;
849 }
850 track->zb_dirty = true;
851 break;
852 case 0x4F24:
853 /* ZB_DEPTHPITCH */
854 r = r100_cs_packet_next_reloc(p, &reloc);
855 if (r) {
856 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
857 idx, reg);
858 r100_cs_dump_packet(p, pkt);
859 return r;
860 }
861
862 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
863 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
864 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
865 tile_flags |= R300_DEPTHMICROTILE_TILED;
866 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
867 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
868
869 tmp = idx_value & ~(0x7 << 16);
870 tmp |= tile_flags;
871 ib[idx] = tmp;
872
873 track->zb.pitch = idx_value & 0x3FFC;
874 track->zb_dirty = true;
875 break;
876 case 0x4104:
877 /* TX_ENABLE */
878 for (i = 0; i < 16; i++) {
879 bool enabled;
880
881 enabled = !!(idx_value & (1 << i));
882 track->textures[i].enabled = enabled;
883 }
884 track->tex_dirty = true;
885 break;
886 case 0x44C0:
887 case 0x44C4:
888 case 0x44C8:
889 case 0x44CC:
890 case 0x44D0:
891 case 0x44D4:
892 case 0x44D8:
893 case 0x44DC:
894 case 0x44E0:
895 case 0x44E4:
896 case 0x44E8:
897 case 0x44EC:
898 case 0x44F0:
899 case 0x44F4:
900 case 0x44F8:
901 case 0x44FC:
902 /* TX_FORMAT1_[0-15] */
903 i = (reg - 0x44C0) >> 2;
904 tmp = (idx_value >> 25) & 0x3;
905 track->textures[i].tex_coord_type = tmp;
906 switch ((idx_value & 0x1F)) {
907 case R300_TX_FORMAT_X8:
908 case R300_TX_FORMAT_Y4X4:
909 case R300_TX_FORMAT_Z3Y3X2:
910 track->textures[i].cpp = 1;
911 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
912 break;
913 case R300_TX_FORMAT_X16:
914 case R300_TX_FORMAT_FL_I16:
915 case R300_TX_FORMAT_Y8X8:
916 case R300_TX_FORMAT_Z5Y6X5:
917 case R300_TX_FORMAT_Z6Y5X5:
918 case R300_TX_FORMAT_W4Z4Y4X4:
919 case R300_TX_FORMAT_W1Z5Y5X5:
920 case R300_TX_FORMAT_D3DMFT_CxV8U8:
921 case R300_TX_FORMAT_B8G8_B8G8:
922 case R300_TX_FORMAT_G8R8_G8B8:
923 track->textures[i].cpp = 2;
924 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
925 break;
926 case R300_TX_FORMAT_Y16X16:
927 case R300_TX_FORMAT_FL_I16A16:
928 case R300_TX_FORMAT_Z11Y11X10:
929 case R300_TX_FORMAT_Z10Y11X11:
930 case R300_TX_FORMAT_W8Z8Y8X8:
931 case R300_TX_FORMAT_W2Z10Y10X10:
932 case 0x17:
933 case R300_TX_FORMAT_FL_I32:
934 case 0x1e:
935 track->textures[i].cpp = 4;
936 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
937 break;
938 case R300_TX_FORMAT_W16Z16Y16X16:
939 case R300_TX_FORMAT_FL_R16G16B16A16:
940 case R300_TX_FORMAT_FL_I32A32:
941 track->textures[i].cpp = 8;
942 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
943 break;
944 case R300_TX_FORMAT_FL_R32G32B32A32:
945 track->textures[i].cpp = 16;
946 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
947 break;
948 case R300_TX_FORMAT_DXT1:
949 track->textures[i].cpp = 1;
950 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
951 break;
952 case R300_TX_FORMAT_ATI2N:
953 if (p->rdev->family < CHIP_R420) {
954 DRM_ERROR("Invalid texture format %u\n",
955 (idx_value & 0x1F));
956 return -EINVAL;
957 }
958 /* The same rules apply as for DXT3/5. */
959 /* Pass through. */
960 case R300_TX_FORMAT_DXT3:
961 case R300_TX_FORMAT_DXT5:
962 track->textures[i].cpp = 1;
963 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
964 break;
965 default:
966 DRM_ERROR("Invalid texture format %u\n",
967 (idx_value & 0x1F));
968 return -EINVAL;
969 }
970 track->tex_dirty = true;
971 break;
972 case 0x4400:
973 case 0x4404:
974 case 0x4408:
975 case 0x440C:
976 case 0x4410:
977 case 0x4414:
978 case 0x4418:
979 case 0x441C:
980 case 0x4420:
981 case 0x4424:
982 case 0x4428:
983 case 0x442C:
984 case 0x4430:
985 case 0x4434:
986 case 0x4438:
987 case 0x443C:
988 /* TX_FILTER0_[0-15] */
989 i = (reg - 0x4400) >> 2;
990 tmp = idx_value & 0x7;
991 if (tmp == 2 || tmp == 4 || tmp == 6) {
992 track->textures[i].roundup_w = false;
993 }
994 tmp = (idx_value >> 3) & 0x7;
995 if (tmp == 2 || tmp == 4 || tmp == 6) {
996 track->textures[i].roundup_h = false;
997 }
998 track->tex_dirty = true;
999 break;
1000 case 0x4500:
1001 case 0x4504:
1002 case 0x4508:
1003 case 0x450C:
1004 case 0x4510:
1005 case 0x4514:
1006 case 0x4518:
1007 case 0x451C:
1008 case 0x4520:
1009 case 0x4524:
1010 case 0x4528:
1011 case 0x452C:
1012 case 0x4530:
1013 case 0x4534:
1014 case 0x4538:
1015 case 0x453C:
1016 /* TX_FORMAT2_[0-15] */
1017 i = (reg - 0x4500) >> 2;
1018 tmp = idx_value & 0x3FFF;
1019 track->textures[i].pitch = tmp + 1;
1020 if (p->rdev->family >= CHIP_RV515) {
1021 tmp = ((idx_value >> 15) & 1) << 11;
1022 track->textures[i].width_11 = tmp;
1023 tmp = ((idx_value >> 16) & 1) << 11;
1024 track->textures[i].height_11 = tmp;
1025
1026 /* ATI1N */
1027 if (idx_value & (1 << 14)) {
1028 /* The same rules apply as for DXT1. */
1029 track->textures[i].compress_format =
1030 R100_TRACK_COMP_DXT1;
1031 }
1032 } else if (idx_value & (1 << 14)) {
1033 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1034 return -EINVAL;
1035 }
1036 track->tex_dirty = true;
1037 break;
1038 case 0x4480:
1039 case 0x4484:
1040 case 0x4488:
1041 case 0x448C:
1042 case 0x4490:
1043 case 0x4494:
1044 case 0x4498:
1045 case 0x449C:
1046 case 0x44A0:
1047 case 0x44A4:
1048 case 0x44A8:
1049 case 0x44AC:
1050 case 0x44B0:
1051 case 0x44B4:
1052 case 0x44B8:
1053 case 0x44BC:
1054 /* TX_FORMAT0_[0-15] */
1055 i = (reg - 0x4480) >> 2;
1056 tmp = idx_value & 0x7FF;
1057 track->textures[i].width = tmp + 1;
1058 tmp = (idx_value >> 11) & 0x7FF;
1059 track->textures[i].height = tmp + 1;
1060 tmp = (idx_value >> 26) & 0xF;
1061 track->textures[i].num_levels = tmp;
1062 tmp = idx_value & (1 << 31);
1063 track->textures[i].use_pitch = !!tmp;
1064 tmp = (idx_value >> 22) & 0xF;
1065 track->textures[i].txdepth = tmp;
1066 track->tex_dirty = true;
1067 break;
1068 case R300_ZB_ZPASS_ADDR:
1069 r = r100_cs_packet_next_reloc(p, &reloc);
1070 if (r) {
1071 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1072 idx, reg);
1073 r100_cs_dump_packet(p, pkt);
1074 return r;
1075 }
1076 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1077 break;
1078 case 0x4e0c:
1079 /* RB3D_COLOR_CHANNEL_MASK */
1080 track->color_channel_mask = idx_value;
1081 track->cb_dirty = true;
1082 break;
1083 case 0x43a4:
1084 /* SC_HYPERZ_EN */
1085 /* r300c emits this register - we need to disable hyperz for it
1086 * without complaining */
1087 if (p->rdev->hyperz_filp != p->filp) {
1088 if (idx_value & 0x1)
1089 ib[idx] = idx_value & ~1;
1090 }
1091 break;
1092 case 0x4f1c:
1093 /* ZB_BW_CNTL */
1094 track->zb_cb_clear = !!(idx_value & (1 << 5));
1095 track->cb_dirty = true;
1096 track->zb_dirty = true;
1097 if (p->rdev->hyperz_filp != p->filp) {
1098 if (idx_value & (R300_HIZ_ENABLE |
1099 R300_RD_COMP_ENABLE |
1100 R300_WR_COMP_ENABLE |
1101 R300_FAST_FILL_ENABLE))
1102 goto fail;
1103 }
1104 break;
1105 case 0x4e04:
1106 /* RB3D_BLENDCNTL */
1107 track->blend_read_enable = !!(idx_value & (1 << 2));
1108 track->cb_dirty = true;
1109 break;
1110 case R300_RB3D_AARESOLVE_OFFSET:
1111 r = r100_cs_packet_next_reloc(p, &reloc);
1112 if (r) {
1113 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1114 idx, reg);
1115 r100_cs_dump_packet(p, pkt);
1116 return r;
1117 }
1118 track->aa.robj = reloc->robj;
1119 track->aa.offset = idx_value;
1120 track->aa_dirty = true;
1121 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1122 break;
1123 case R300_RB3D_AARESOLVE_PITCH:
1124 track->aa.pitch = idx_value & 0x3FFE;
1125 track->aa_dirty = true;
1126 break;
1127 case R300_RB3D_AARESOLVE_CTL:
1128 track->aaresolve = idx_value & 0x1;
1129 track->aa_dirty = true;
1130 break;
1131 case 0x4f30: /* ZB_MASK_OFFSET */
1132 case 0x4f34: /* ZB_ZMASK_PITCH */
1133 case 0x4f44: /* ZB_HIZ_OFFSET */
1134 case 0x4f54: /* ZB_HIZ_PITCH */
1135 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1136 goto fail;
1137 break;
1138 case 0x4028:
1139 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1140 goto fail;
1141 /* GB_Z_PEQ_CONFIG */
1142 if (p->rdev->family >= CHIP_RV350)
1143 break;
1144 goto fail;
1145 break;
1146 case 0x4be8:
1147 /* valid register only on RV530 */
1148 if (p->rdev->family == CHIP_RV530)
1149 break;
1150 /* fallthrough do not move */
1151 default:
1152 goto fail;
1153 }
1154 return 0;
1155 fail:
1156 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1157 reg, idx, idx_value);
1158 return -EINVAL;
1159 }
1160
1161 static int r300_packet3_check(struct radeon_cs_parser *p,
1162 struct radeon_cs_packet *pkt)
1163 {
1164 struct radeon_cs_reloc *reloc;
1165 struct r100_cs_track *track;
1166 volatile uint32_t *ib;
1167 unsigned idx;
1168 int r;
1169
1170 ib = p->ib->ptr;
1171 idx = pkt->idx + 1;
1172 track = (struct r100_cs_track *)p->track;
1173 switch(pkt->opcode) {
1174 case PACKET3_3D_LOAD_VBPNTR:
1175 r = r100_packet3_load_vbpntr(p, pkt, idx);
1176 if (r)
1177 return r;
1178 break;
1179 case PACKET3_INDX_BUFFER:
1180 r = r100_cs_packet_next_reloc(p, &reloc);
1181 if (r) {
1182 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1183 r100_cs_dump_packet(p, pkt);
1184 return r;
1185 }
1186 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
1187 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1188 if (r) {
1189 return r;
1190 }
1191 break;
1192 /* Draw packet */
1193 case PACKET3_3D_DRAW_IMMD:
1194 /* Number of dwords is vtx_size * (num_vertices - 1)
1195 * PRIM_WALK must be equal to 3 vertex data in embedded
1196 * in cmd stream */
1197 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1198 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1199 return -EINVAL;
1200 }
1201 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1202 track->immd_dwords = pkt->count - 1;
1203 r = r100_cs_track_check(p->rdev, track);
1204 if (r) {
1205 return r;
1206 }
1207 break;
1208 case PACKET3_3D_DRAW_IMMD_2:
1209 /* Number of dwords is vtx_size * (num_vertices - 1)
1210 * PRIM_WALK must be equal to 3 vertex data in embedded
1211 * in cmd stream */
1212 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1213 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1214 return -EINVAL;
1215 }
1216 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1217 track->immd_dwords = pkt->count;
1218 r = r100_cs_track_check(p->rdev, track);
1219 if (r) {
1220 return r;
1221 }
1222 break;
1223 case PACKET3_3D_DRAW_VBUF:
1224 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1225 r = r100_cs_track_check(p->rdev, track);
1226 if (r) {
1227 return r;
1228 }
1229 break;
1230 case PACKET3_3D_DRAW_VBUF_2:
1231 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1232 r = r100_cs_track_check(p->rdev, track);
1233 if (r) {
1234 return r;
1235 }
1236 break;
1237 case PACKET3_3D_DRAW_INDX:
1238 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1239 r = r100_cs_track_check(p->rdev, track);
1240 if (r) {
1241 return r;
1242 }
1243 break;
1244 case PACKET3_3D_DRAW_INDX_2:
1245 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1246 r = r100_cs_track_check(p->rdev, track);
1247 if (r) {
1248 return r;
1249 }
1250 break;
1251 case PACKET3_3D_CLEAR_HIZ:
1252 case PACKET3_3D_CLEAR_ZMASK:
1253 if (p->rdev->hyperz_filp != p->filp)
1254 return -EINVAL;
1255 break;
1256 case PACKET3_3D_CLEAR_CMASK:
1257 if (p->rdev->cmask_filp != p->filp)
1258 return -EINVAL;
1259 break;
1260 case PACKET3_NOP:
1261 break;
1262 default:
1263 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1264 return -EINVAL;
1265 }
1266 return 0;
1267 }
1268
1269 int r300_cs_parse(struct radeon_cs_parser *p)
1270 {
1271 struct radeon_cs_packet pkt;
1272 struct r100_cs_track *track;
1273 int r;
1274
1275 track = kzalloc(sizeof(*track), GFP_KERNEL);
1276 if (track == NULL)
1277 return -ENOMEM;
1278 r100_cs_track_clear(p->rdev, track);
1279 p->track = track;
1280 do {
1281 r = r100_cs_packet_parse(p, &pkt, p->idx);
1282 if (r) {
1283 return r;
1284 }
1285 p->idx += pkt.count + 2;
1286 switch (pkt.type) {
1287 case PACKET_TYPE0:
1288 r = r100_cs_parse_packet0(p, &pkt,
1289 p->rdev->config.r300.reg_safe_bm,
1290 p->rdev->config.r300.reg_safe_bm_size,
1291 &r300_packet0_check);
1292 break;
1293 case PACKET_TYPE2:
1294 break;
1295 case PACKET_TYPE3:
1296 r = r300_packet3_check(p, &pkt);
1297 break;
1298 default:
1299 DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1300 return -EINVAL;
1301 }
1302 if (r) {
1303 return r;
1304 }
1305 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1306 return 0;
1307 }
1308
1309 void r300_set_reg_safe(struct radeon_device *rdev)
1310 {
1311 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1312 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1313 }
1314
1315 void r300_mc_program(struct radeon_device *rdev)
1316 {
1317 struct r100_mc_save save;
1318 int r;
1319
1320 r = r100_debugfs_mc_info_init(rdev);
1321 if (r) {
1322 dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1323 }
1324
1325 /* Stops all mc clients */
1326 r100_mc_stop(rdev, &save);
1327 if (rdev->flags & RADEON_IS_AGP) {
1328 WREG32(R_00014C_MC_AGP_LOCATION,
1329 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1330 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1331 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1332 WREG32(R_00015C_AGP_BASE_2,
1333 upper_32_bits(rdev->mc.agp_base) & 0xff);
1334 } else {
1335 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1336 WREG32(R_000170_AGP_BASE, 0);
1337 WREG32(R_00015C_AGP_BASE_2, 0);
1338 }
1339 /* Wait for mc idle */
1340 if (r300_mc_wait_for_idle(rdev))
1341 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1342 /* Program MC, should be a 32bits limited address space */
1343 WREG32(R_000148_MC_FB_LOCATION,
1344 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1345 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1346 r100_mc_resume(rdev, &save);
1347 }
1348
1349 void r300_clock_startup(struct radeon_device *rdev)
1350 {
1351 u32 tmp;
1352
1353 if (radeon_dynclks != -1 && radeon_dynclks)
1354 radeon_legacy_set_clock_gating(rdev, 1);
1355 /* We need to force on some of the block */
1356 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1357 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1358 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1359 tmp |= S_00000D_FORCE_VAP(1);
1360 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1361 }
1362
1363 static int r300_startup(struct radeon_device *rdev)
1364 {
1365 int r;
1366
1367 /* set common regs */
1368 r100_set_common_regs(rdev);
1369 /* program mc */
1370 r300_mc_program(rdev);
1371 /* Resume clock */
1372 r300_clock_startup(rdev);
1373 /* Initialize GPU configuration (# pipes, ...) */
1374 r300_gpu_init(rdev);
1375 /* Initialize GART (initialize after TTM so we can allocate
1376 * memory through TTM but finalize after TTM) */
1377 if (rdev->flags & RADEON_IS_PCIE) {
1378 r = rv370_pcie_gart_enable(rdev);
1379 if (r)
1380 return r;
1381 }
1382
1383 if (rdev->family == CHIP_R300 ||
1384 rdev->family == CHIP_R350 ||
1385 rdev->family == CHIP_RV350)
1386 r100_enable_bm(rdev);
1387
1388 if (rdev->flags & RADEON_IS_PCI) {
1389 r = r100_pci_gart_enable(rdev);
1390 if (r)
1391 return r;
1392 }
1393
1394 /* allocate wb buffer */
1395 r = radeon_wb_init(rdev);
1396 if (r)
1397 return r;
1398
1399 /* Enable IRQ */
1400 r100_irq_set(rdev);
1401 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1402 /* 1M ring buffer */
1403 r = r100_cp_init(rdev, 1024 * 1024);
1404 if (r) {
1405 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1406 return r;
1407 }
1408 r = r100_ib_init(rdev);
1409 if (r) {
1410 dev_err(rdev->dev, "failed initializing IB (%d).\n", r);
1411 return r;
1412 }
1413 return 0;
1414 }
1415
1416 int r300_resume(struct radeon_device *rdev)
1417 {
1418 /* Make sur GART are not working */
1419 if (rdev->flags & RADEON_IS_PCIE)
1420 rv370_pcie_gart_disable(rdev);
1421 if (rdev->flags & RADEON_IS_PCI)
1422 r100_pci_gart_disable(rdev);
1423 /* Resume clock before doing reset */
1424 r300_clock_startup(rdev);
1425 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1426 if (radeon_asic_reset(rdev)) {
1427 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1428 RREG32(R_000E40_RBBM_STATUS),
1429 RREG32(R_0007C0_CP_STAT));
1430 }
1431 /* post */
1432 radeon_combios_asic_init(rdev->ddev);
1433 /* Resume clock after posting */
1434 r300_clock_startup(rdev);
1435 /* Initialize surface registers */
1436 radeon_surface_init(rdev);
1437 return r300_startup(rdev);
1438 }
1439
1440 int r300_suspend(struct radeon_device *rdev)
1441 {
1442 r100_cp_disable(rdev);
1443 radeon_wb_disable(rdev);
1444 r100_irq_disable(rdev);
1445 if (rdev->flags & RADEON_IS_PCIE)
1446 rv370_pcie_gart_disable(rdev);
1447 if (rdev->flags & RADEON_IS_PCI)
1448 r100_pci_gart_disable(rdev);
1449 return 0;
1450 }
1451
1452 void r300_fini(struct radeon_device *rdev)
1453 {
1454 r100_cp_fini(rdev);
1455 radeon_wb_fini(rdev);
1456 r100_ib_fini(rdev);
1457 radeon_gem_fini(rdev);
1458 if (rdev->flags & RADEON_IS_PCIE)
1459 rv370_pcie_gart_fini(rdev);
1460 if (rdev->flags & RADEON_IS_PCI)
1461 r100_pci_gart_fini(rdev);
1462 radeon_agp_fini(rdev);
1463 radeon_irq_kms_fini(rdev);
1464 radeon_fence_driver_fini(rdev);
1465 radeon_bo_fini(rdev);
1466 radeon_atombios_fini(rdev);
1467 kfree(rdev->bios);
1468 rdev->bios = NULL;
1469 }
1470
1471 int r300_init(struct radeon_device *rdev)
1472 {
1473 int r;
1474
1475 /* Disable VGA */
1476 r100_vga_render_disable(rdev);
1477 /* Initialize scratch registers */
1478 radeon_scratch_init(rdev);
1479 /* Initialize surface registers */
1480 radeon_surface_init(rdev);
1481 /* TODO: disable VGA need to use VGA request */
1482 /* restore some register to sane defaults */
1483 r100_restore_sanity(rdev);
1484 /* BIOS*/
1485 if (!radeon_get_bios(rdev)) {
1486 if (ASIC_IS_AVIVO(rdev))
1487 return -EINVAL;
1488 }
1489 if (rdev->is_atom_bios) {
1490 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1491 return -EINVAL;
1492 } else {
1493 r = radeon_combios_init(rdev);
1494 if (r)
1495 return r;
1496 }
1497 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1498 if (radeon_asic_reset(rdev)) {
1499 dev_warn(rdev->dev,
1500 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1501 RREG32(R_000E40_RBBM_STATUS),
1502 RREG32(R_0007C0_CP_STAT));
1503 }
1504 /* check if cards are posted or not */
1505 if (radeon_boot_test_post_card(rdev) == false)
1506 return -EINVAL;
1507 /* Set asic errata */
1508 r300_errata(rdev);
1509 /* Initialize clocks */
1510 radeon_get_clock_info(rdev->ddev);
1511 /* initialize AGP */
1512 if (rdev->flags & RADEON_IS_AGP) {
1513 r = radeon_agp_init(rdev);
1514 if (r) {
1515 radeon_agp_disable(rdev);
1516 }
1517 }
1518 /* initialize memory controller */
1519 r300_mc_init(rdev);
1520 /* Fence driver */
1521 r = radeon_fence_driver_init(rdev);
1522 if (r)
1523 return r;
1524 r = radeon_irq_kms_init(rdev);
1525 if (r)
1526 return r;
1527 /* Memory manager */
1528 r = radeon_bo_init(rdev);
1529 if (r)
1530 return r;
1531 if (rdev->flags & RADEON_IS_PCIE) {
1532 r = rv370_pcie_gart_init(rdev);
1533 if (r)
1534 return r;
1535 }
1536 if (rdev->flags & RADEON_IS_PCI) {
1537 r = r100_pci_gart_init(rdev);
1538 if (r)
1539 return r;
1540 }
1541 r300_set_reg_safe(rdev);
1542 rdev->accel_working = true;
1543 r = r300_startup(rdev);
1544 if (r) {
1545 /* Somethings want wront with the accel init stop accel */
1546 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1547 r100_cp_fini(rdev);
1548 radeon_wb_fini(rdev);
1549 r100_ib_fini(rdev);
1550 radeon_irq_kms_fini(rdev);
1551 if (rdev->flags & RADEON_IS_PCIE)
1552 rv370_pcie_gart_fini(rdev);
1553 if (rdev->flags & RADEON_IS_PCI)
1554 r100_pci_gart_fini(rdev);
1555 radeon_agp_fini(rdev);
1556 rdev->accel_working = false;
1557 }
1558 return 0;
1559 }
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