Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
[linux-2.6.git] / drivers / gpu / drm / radeon / r100.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 "drmP.h"
30 #include "drm.h"
31 #include "radeon_drm.h"
32 #include "radeon_reg.h"
33 #include "radeon.h"
34 #include "r100d.h"
35 #include "rs100d.h"
36 #include "rv200d.h"
37 #include "rv250d.h"
38
39 #include <linux/firmware.h>
40 #include <linux/platform_device.h>
41
42 #include "r100_reg_safe.h"
43 #include "rn50_reg_safe.h"
44
45 /* Firmware Names */
46 #define FIRMWARE_R100           "radeon/R100_cp.bin"
47 #define FIRMWARE_R200           "radeon/R200_cp.bin"
48 #define FIRMWARE_R300           "radeon/R300_cp.bin"
49 #define FIRMWARE_R420           "radeon/R420_cp.bin"
50 #define FIRMWARE_RS690          "radeon/RS690_cp.bin"
51 #define FIRMWARE_RS600          "radeon/RS600_cp.bin"
52 #define FIRMWARE_R520           "radeon/R520_cp.bin"
53
54 MODULE_FIRMWARE(FIRMWARE_R100);
55 MODULE_FIRMWARE(FIRMWARE_R200);
56 MODULE_FIRMWARE(FIRMWARE_R300);
57 MODULE_FIRMWARE(FIRMWARE_R420);
58 MODULE_FIRMWARE(FIRMWARE_RS690);
59 MODULE_FIRMWARE(FIRMWARE_RS600);
60 MODULE_FIRMWARE(FIRMWARE_R520);
61
62 #include "r100_track.h"
63
64 /* This files gather functions specifics to:
65  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
66  */
67
68 /*
69  * PCI GART
70  */
71 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
72 {
73         /* TODO: can we do somethings here ? */
74         /* It seems hw only cache one entry so we should discard this
75          * entry otherwise if first GPU GART read hit this entry it
76          * could end up in wrong address. */
77 }
78
79 int r100_pci_gart_init(struct radeon_device *rdev)
80 {
81         int r;
82
83         if (rdev->gart.table.ram.ptr) {
84                 WARN(1, "R100 PCI GART already initialized.\n");
85                 return 0;
86         }
87         /* Initialize common gart structure */
88         r = radeon_gart_init(rdev);
89         if (r)
90                 return r;
91         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
92         rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
93         rdev->asic->gart_set_page = &r100_pci_gart_set_page;
94         return radeon_gart_table_ram_alloc(rdev);
95 }
96
97 int r100_pci_gart_enable(struct radeon_device *rdev)
98 {
99         uint32_t tmp;
100
101         /* discard memory request outside of configured range */
102         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
103         WREG32(RADEON_AIC_CNTL, tmp);
104         /* set address range for PCI address translate */
105         WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location);
106         tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
107         WREG32(RADEON_AIC_HI_ADDR, tmp);
108         /* Enable bus mastering */
109         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
110         WREG32(RADEON_BUS_CNTL, tmp);
111         /* set PCI GART page-table base address */
112         WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
113         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
114         WREG32(RADEON_AIC_CNTL, tmp);
115         r100_pci_gart_tlb_flush(rdev);
116         rdev->gart.ready = true;
117         return 0;
118 }
119
120 void r100_pci_gart_disable(struct radeon_device *rdev)
121 {
122         uint32_t tmp;
123
124         /* discard memory request outside of configured range */
125         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
126         WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
127         WREG32(RADEON_AIC_LO_ADDR, 0);
128         WREG32(RADEON_AIC_HI_ADDR, 0);
129 }
130
131 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
132 {
133         if (i < 0 || i > rdev->gart.num_gpu_pages) {
134                 return -EINVAL;
135         }
136         rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr));
137         return 0;
138 }
139
140 void r100_pci_gart_fini(struct radeon_device *rdev)
141 {
142         r100_pci_gart_disable(rdev);
143         radeon_gart_table_ram_free(rdev);
144         radeon_gart_fini(rdev);
145 }
146
147 int r100_irq_set(struct radeon_device *rdev)
148 {
149         uint32_t tmp = 0;
150
151         if (rdev->irq.sw_int) {
152                 tmp |= RADEON_SW_INT_ENABLE;
153         }
154         if (rdev->irq.crtc_vblank_int[0]) {
155                 tmp |= RADEON_CRTC_VBLANK_MASK;
156         }
157         if (rdev->irq.crtc_vblank_int[1]) {
158                 tmp |= RADEON_CRTC2_VBLANK_MASK;
159         }
160         WREG32(RADEON_GEN_INT_CNTL, tmp);
161         return 0;
162 }
163
164 void r100_irq_disable(struct radeon_device *rdev)
165 {
166         u32 tmp;
167
168         WREG32(R_000040_GEN_INT_CNTL, 0);
169         /* Wait and acknowledge irq */
170         mdelay(1);
171         tmp = RREG32(R_000044_GEN_INT_STATUS);
172         WREG32(R_000044_GEN_INT_STATUS, tmp);
173 }
174
175 static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
176 {
177         uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
178         uint32_t irq_mask = RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT |
179                 RADEON_CRTC2_VBLANK_STAT;
180
181         if (irqs) {
182                 WREG32(RADEON_GEN_INT_STATUS, irqs);
183         }
184         return irqs & irq_mask;
185 }
186
187 int r100_irq_process(struct radeon_device *rdev)
188 {
189         uint32_t status, msi_rearm;
190
191         status = r100_irq_ack(rdev);
192         if (!status) {
193                 return IRQ_NONE;
194         }
195         if (rdev->shutdown) {
196                 return IRQ_NONE;
197         }
198         while (status) {
199                 /* SW interrupt */
200                 if (status & RADEON_SW_INT_TEST) {
201                         radeon_fence_process(rdev);
202                 }
203                 /* Vertical blank interrupts */
204                 if (status & RADEON_CRTC_VBLANK_STAT) {
205                         drm_handle_vblank(rdev->ddev, 0);
206                 }
207                 if (status & RADEON_CRTC2_VBLANK_STAT) {
208                         drm_handle_vblank(rdev->ddev, 1);
209                 }
210                 status = r100_irq_ack(rdev);
211         }
212         if (rdev->msi_enabled) {
213                 switch (rdev->family) {
214                 case CHIP_RS400:
215                 case CHIP_RS480:
216                         msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
217                         WREG32(RADEON_AIC_CNTL, msi_rearm);
218                         WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
219                         break;
220                 default:
221                         msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
222                         WREG32(RADEON_MSI_REARM_EN, msi_rearm);
223                         WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
224                         break;
225                 }
226         }
227         return IRQ_HANDLED;
228 }
229
230 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
231 {
232         if (crtc == 0)
233                 return RREG32(RADEON_CRTC_CRNT_FRAME);
234         else
235                 return RREG32(RADEON_CRTC2_CRNT_FRAME);
236 }
237
238 void r100_fence_ring_emit(struct radeon_device *rdev,
239                           struct radeon_fence *fence)
240 {
241         /* Who ever call radeon_fence_emit should call ring_lock and ask
242          * for enough space (today caller are ib schedule and buffer move) */
243         /* Wait until IDLE & CLEAN */
244         radeon_ring_write(rdev, PACKET0(0x1720, 0));
245         radeon_ring_write(rdev, (1 << 16) | (1 << 17));
246         /* Emit fence sequence & fire IRQ */
247         radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
248         radeon_ring_write(rdev, fence->seq);
249         radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
250         radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
251 }
252
253 int r100_wb_init(struct radeon_device *rdev)
254 {
255         int r;
256
257         if (rdev->wb.wb_obj == NULL) {
258                 r = radeon_object_create(rdev, NULL, RADEON_GPU_PAGE_SIZE,
259                                          true,
260                                          RADEON_GEM_DOMAIN_GTT,
261                                          false, &rdev->wb.wb_obj);
262                 if (r) {
263                         DRM_ERROR("radeon: failed to create WB buffer (%d).\n", r);
264                         return r;
265                 }
266                 r = radeon_object_pin(rdev->wb.wb_obj,
267                                       RADEON_GEM_DOMAIN_GTT,
268                                       &rdev->wb.gpu_addr);
269                 if (r) {
270                         DRM_ERROR("radeon: failed to pin WB buffer (%d).\n", r);
271                         return r;
272                 }
273                 r = radeon_object_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
274                 if (r) {
275                         DRM_ERROR("radeon: failed to map WB buffer (%d).\n", r);
276                         return r;
277                 }
278         }
279         WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr);
280         WREG32(R_00070C_CP_RB_RPTR_ADDR,
281                 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 1024) >> 2));
282         WREG32(R_000770_SCRATCH_UMSK, 0xff);
283         return 0;
284 }
285
286 void r100_wb_disable(struct radeon_device *rdev)
287 {
288         WREG32(R_000770_SCRATCH_UMSK, 0);
289 }
290
291 void r100_wb_fini(struct radeon_device *rdev)
292 {
293         r100_wb_disable(rdev);
294         if (rdev->wb.wb_obj) {
295                 radeon_object_kunmap(rdev->wb.wb_obj);
296                 radeon_object_unpin(rdev->wb.wb_obj);
297                 radeon_object_unref(&rdev->wb.wb_obj);
298                 rdev->wb.wb = NULL;
299                 rdev->wb.wb_obj = NULL;
300         }
301 }
302
303 int r100_copy_blit(struct radeon_device *rdev,
304                    uint64_t src_offset,
305                    uint64_t dst_offset,
306                    unsigned num_pages,
307                    struct radeon_fence *fence)
308 {
309         uint32_t cur_pages;
310         uint32_t stride_bytes = PAGE_SIZE;
311         uint32_t pitch;
312         uint32_t stride_pixels;
313         unsigned ndw;
314         int num_loops;
315         int r = 0;
316
317         /* radeon limited to 16k stride */
318         stride_bytes &= 0x3fff;
319         /* radeon pitch is /64 */
320         pitch = stride_bytes / 64;
321         stride_pixels = stride_bytes / 4;
322         num_loops = DIV_ROUND_UP(num_pages, 8191);
323
324         /* Ask for enough room for blit + flush + fence */
325         ndw = 64 + (10 * num_loops);
326         r = radeon_ring_lock(rdev, ndw);
327         if (r) {
328                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
329                 return -EINVAL;
330         }
331         while (num_pages > 0) {
332                 cur_pages = num_pages;
333                 if (cur_pages > 8191) {
334                         cur_pages = 8191;
335                 }
336                 num_pages -= cur_pages;
337
338                 /* pages are in Y direction - height
339                    page width in X direction - width */
340                 radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
341                 radeon_ring_write(rdev,
342                                   RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
343                                   RADEON_GMC_DST_PITCH_OFFSET_CNTL |
344                                   RADEON_GMC_SRC_CLIPPING |
345                                   RADEON_GMC_DST_CLIPPING |
346                                   RADEON_GMC_BRUSH_NONE |
347                                   (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
348                                   RADEON_GMC_SRC_DATATYPE_COLOR |
349                                   RADEON_ROP3_S |
350                                   RADEON_DP_SRC_SOURCE_MEMORY |
351                                   RADEON_GMC_CLR_CMP_CNTL_DIS |
352                                   RADEON_GMC_WR_MSK_DIS);
353                 radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
354                 radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
355                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
356                 radeon_ring_write(rdev, 0);
357                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
358                 radeon_ring_write(rdev, num_pages);
359                 radeon_ring_write(rdev, num_pages);
360                 radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
361         }
362         radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
363         radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
364         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
365         radeon_ring_write(rdev,
366                           RADEON_WAIT_2D_IDLECLEAN |
367                           RADEON_WAIT_HOST_IDLECLEAN |
368                           RADEON_WAIT_DMA_GUI_IDLE);
369         if (fence) {
370                 r = radeon_fence_emit(rdev, fence);
371         }
372         radeon_ring_unlock_commit(rdev);
373         return r;
374 }
375
376 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
377 {
378         unsigned i;
379         u32 tmp;
380
381         for (i = 0; i < rdev->usec_timeout; i++) {
382                 tmp = RREG32(R_000E40_RBBM_STATUS);
383                 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
384                         return 0;
385                 }
386                 udelay(1);
387         }
388         return -1;
389 }
390
391 void r100_ring_start(struct radeon_device *rdev)
392 {
393         int r;
394
395         r = radeon_ring_lock(rdev, 2);
396         if (r) {
397                 return;
398         }
399         radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
400         radeon_ring_write(rdev,
401                           RADEON_ISYNC_ANY2D_IDLE3D |
402                           RADEON_ISYNC_ANY3D_IDLE2D |
403                           RADEON_ISYNC_WAIT_IDLEGUI |
404                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
405         radeon_ring_unlock_commit(rdev);
406 }
407
408
409 /* Load the microcode for the CP */
410 static int r100_cp_init_microcode(struct radeon_device *rdev)
411 {
412         struct platform_device *pdev;
413         const char *fw_name = NULL;
414         int err;
415
416         DRM_DEBUG("\n");
417
418         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
419         err = IS_ERR(pdev);
420         if (err) {
421                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
422                 return -EINVAL;
423         }
424         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
425             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
426             (rdev->family == CHIP_RS200)) {
427                 DRM_INFO("Loading R100 Microcode\n");
428                 fw_name = FIRMWARE_R100;
429         } else if ((rdev->family == CHIP_R200) ||
430                    (rdev->family == CHIP_RV250) ||
431                    (rdev->family == CHIP_RV280) ||
432                    (rdev->family == CHIP_RS300)) {
433                 DRM_INFO("Loading R200 Microcode\n");
434                 fw_name = FIRMWARE_R200;
435         } else if ((rdev->family == CHIP_R300) ||
436                    (rdev->family == CHIP_R350) ||
437                    (rdev->family == CHIP_RV350) ||
438                    (rdev->family == CHIP_RV380) ||
439                    (rdev->family == CHIP_RS400) ||
440                    (rdev->family == CHIP_RS480)) {
441                 DRM_INFO("Loading R300 Microcode\n");
442                 fw_name = FIRMWARE_R300;
443         } else if ((rdev->family == CHIP_R420) ||
444                    (rdev->family == CHIP_R423) ||
445                    (rdev->family == CHIP_RV410)) {
446                 DRM_INFO("Loading R400 Microcode\n");
447                 fw_name = FIRMWARE_R420;
448         } else if ((rdev->family == CHIP_RS690) ||
449                    (rdev->family == CHIP_RS740)) {
450                 DRM_INFO("Loading RS690/RS740 Microcode\n");
451                 fw_name = FIRMWARE_RS690;
452         } else if (rdev->family == CHIP_RS600) {
453                 DRM_INFO("Loading RS600 Microcode\n");
454                 fw_name = FIRMWARE_RS600;
455         } else if ((rdev->family == CHIP_RV515) ||
456                    (rdev->family == CHIP_R520) ||
457                    (rdev->family == CHIP_RV530) ||
458                    (rdev->family == CHIP_R580) ||
459                    (rdev->family == CHIP_RV560) ||
460                    (rdev->family == CHIP_RV570)) {
461                 DRM_INFO("Loading R500 Microcode\n");
462                 fw_name = FIRMWARE_R520;
463         }
464
465         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
466         platform_device_unregister(pdev);
467         if (err) {
468                 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
469                        fw_name);
470         } else if (rdev->me_fw->size % 8) {
471                 printk(KERN_ERR
472                        "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
473                        rdev->me_fw->size, fw_name);
474                 err = -EINVAL;
475                 release_firmware(rdev->me_fw);
476                 rdev->me_fw = NULL;
477         }
478         return err;
479 }
480
481 static void r100_cp_load_microcode(struct radeon_device *rdev)
482 {
483         const __be32 *fw_data;
484         int i, size;
485
486         if (r100_gui_wait_for_idle(rdev)) {
487                 printk(KERN_WARNING "Failed to wait GUI idle while "
488                        "programming pipes. Bad things might happen.\n");
489         }
490
491         if (rdev->me_fw) {
492                 size = rdev->me_fw->size / 4;
493                 fw_data = (const __be32 *)&rdev->me_fw->data[0];
494                 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
495                 for (i = 0; i < size; i += 2) {
496                         WREG32(RADEON_CP_ME_RAM_DATAH,
497                                be32_to_cpup(&fw_data[i]));
498                         WREG32(RADEON_CP_ME_RAM_DATAL,
499                                be32_to_cpup(&fw_data[i + 1]));
500                 }
501         }
502 }
503
504 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
505 {
506         unsigned rb_bufsz;
507         unsigned rb_blksz;
508         unsigned max_fetch;
509         unsigned pre_write_timer;
510         unsigned pre_write_limit;
511         unsigned indirect2_start;
512         unsigned indirect1_start;
513         uint32_t tmp;
514         int r;
515
516         if (r100_debugfs_cp_init(rdev)) {
517                 DRM_ERROR("Failed to register debugfs file for CP !\n");
518         }
519         /* Reset CP */
520         tmp = RREG32(RADEON_CP_CSQ_STAT);
521         if ((tmp & (1 << 31))) {
522                 DRM_INFO("radeon: cp busy (0x%08X) resetting\n", tmp);
523                 WREG32(RADEON_CP_CSQ_MODE, 0);
524                 WREG32(RADEON_CP_CSQ_CNTL, 0);
525                 WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
526                 tmp = RREG32(RADEON_RBBM_SOFT_RESET);
527                 mdelay(2);
528                 WREG32(RADEON_RBBM_SOFT_RESET, 0);
529                 tmp = RREG32(RADEON_RBBM_SOFT_RESET);
530                 mdelay(2);
531                 tmp = RREG32(RADEON_CP_CSQ_STAT);
532                 if ((tmp & (1 << 31))) {
533                         DRM_INFO("radeon: cp reset failed (0x%08X)\n", tmp);
534                 }
535         } else {
536                 DRM_INFO("radeon: cp idle (0x%08X)\n", tmp);
537         }
538
539         if (!rdev->me_fw) {
540                 r = r100_cp_init_microcode(rdev);
541                 if (r) {
542                         DRM_ERROR("Failed to load firmware!\n");
543                         return r;
544                 }
545         }
546
547         /* Align ring size */
548         rb_bufsz = drm_order(ring_size / 8);
549         ring_size = (1 << (rb_bufsz + 1)) * 4;
550         r100_cp_load_microcode(rdev);
551         r = radeon_ring_init(rdev, ring_size);
552         if (r) {
553                 return r;
554         }
555         /* Each time the cp read 1024 bytes (16 dword/quadword) update
556          * the rptr copy in system ram */
557         rb_blksz = 9;
558         /* cp will read 128bytes at a time (4 dwords) */
559         max_fetch = 1;
560         rdev->cp.align_mask = 16 - 1;
561         /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
562         pre_write_timer = 64;
563         /* Force CP_RB_WPTR write if written more than one time before the
564          * delay expire
565          */
566         pre_write_limit = 0;
567         /* Setup the cp cache like this (cache size is 96 dwords) :
568          *      RING            0  to 15
569          *      INDIRECT1       16 to 79
570          *      INDIRECT2       80 to 95
571          * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
572          *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
573          *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
574          * Idea being that most of the gpu cmd will be through indirect1 buffer
575          * so it gets the bigger cache.
576          */
577         indirect2_start = 80;
578         indirect1_start = 16;
579         /* cp setup */
580         WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
581         tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
582                REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
583                REG_SET(RADEON_MAX_FETCH, max_fetch) |
584                RADEON_RB_NO_UPDATE);
585 #ifdef __BIG_ENDIAN
586         tmp |= RADEON_BUF_SWAP_32BIT;
587 #endif
588         WREG32(RADEON_CP_RB_CNTL, tmp);
589
590         /* Set ring address */
591         DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
592         WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
593         /* Force read & write ptr to 0 */
594         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
595         WREG32(RADEON_CP_RB_RPTR_WR, 0);
596         WREG32(RADEON_CP_RB_WPTR, 0);
597         WREG32(RADEON_CP_RB_CNTL, tmp);
598         udelay(10);
599         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
600         rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
601         /* Set cp mode to bus mastering & enable cp*/
602         WREG32(RADEON_CP_CSQ_MODE,
603                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
604                REG_SET(RADEON_INDIRECT1_START, indirect1_start));
605         WREG32(0x718, 0);
606         WREG32(0x744, 0x00004D4D);
607         WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
608         radeon_ring_start(rdev);
609         r = radeon_ring_test(rdev);
610         if (r) {
611                 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
612                 return r;
613         }
614         rdev->cp.ready = true;
615         return 0;
616 }
617
618 void r100_cp_fini(struct radeon_device *rdev)
619 {
620         if (r100_cp_wait_for_idle(rdev)) {
621                 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
622         }
623         /* Disable ring */
624         r100_cp_disable(rdev);
625         radeon_ring_fini(rdev);
626         DRM_INFO("radeon: cp finalized\n");
627 }
628
629 void r100_cp_disable(struct radeon_device *rdev)
630 {
631         /* Disable ring */
632         rdev->cp.ready = false;
633         WREG32(RADEON_CP_CSQ_MODE, 0);
634         WREG32(RADEON_CP_CSQ_CNTL, 0);
635         if (r100_gui_wait_for_idle(rdev)) {
636                 printk(KERN_WARNING "Failed to wait GUI idle while "
637                        "programming pipes. Bad things might happen.\n");
638         }
639 }
640
641 int r100_cp_reset(struct radeon_device *rdev)
642 {
643         uint32_t tmp;
644         bool reinit_cp;
645         int i;
646
647         reinit_cp = rdev->cp.ready;
648         rdev->cp.ready = false;
649         WREG32(RADEON_CP_CSQ_MODE, 0);
650         WREG32(RADEON_CP_CSQ_CNTL, 0);
651         WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
652         (void)RREG32(RADEON_RBBM_SOFT_RESET);
653         udelay(200);
654         WREG32(RADEON_RBBM_SOFT_RESET, 0);
655         /* Wait to prevent race in RBBM_STATUS */
656         mdelay(1);
657         for (i = 0; i < rdev->usec_timeout; i++) {
658                 tmp = RREG32(RADEON_RBBM_STATUS);
659                 if (!(tmp & (1 << 16))) {
660                         DRM_INFO("CP reset succeed (RBBM_STATUS=0x%08X)\n",
661                                  tmp);
662                         if (reinit_cp) {
663                                 return r100_cp_init(rdev, rdev->cp.ring_size);
664                         }
665                         return 0;
666                 }
667                 DRM_UDELAY(1);
668         }
669         tmp = RREG32(RADEON_RBBM_STATUS);
670         DRM_ERROR("Failed to reset CP (RBBM_STATUS=0x%08X)!\n", tmp);
671         return -1;
672 }
673
674 void r100_cp_commit(struct radeon_device *rdev)
675 {
676         WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
677         (void)RREG32(RADEON_CP_RB_WPTR);
678 }
679
680
681 /*
682  * CS functions
683  */
684 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
685                           struct radeon_cs_packet *pkt,
686                           const unsigned *auth, unsigned n,
687                           radeon_packet0_check_t check)
688 {
689         unsigned reg;
690         unsigned i, j, m;
691         unsigned idx;
692         int r;
693
694         idx = pkt->idx + 1;
695         reg = pkt->reg;
696         /* Check that register fall into register range
697          * determined by the number of entry (n) in the
698          * safe register bitmap.
699          */
700         if (pkt->one_reg_wr) {
701                 if ((reg >> 7) > n) {
702                         return -EINVAL;
703                 }
704         } else {
705                 if (((reg + (pkt->count << 2)) >> 7) > n) {
706                         return -EINVAL;
707                 }
708         }
709         for (i = 0; i <= pkt->count; i++, idx++) {
710                 j = (reg >> 7);
711                 m = 1 << ((reg >> 2) & 31);
712                 if (auth[j] & m) {
713                         r = check(p, pkt, idx, reg);
714                         if (r) {
715                                 return r;
716                         }
717                 }
718                 if (pkt->one_reg_wr) {
719                         if (!(auth[j] & m)) {
720                                 break;
721                         }
722                 } else {
723                         reg += 4;
724                 }
725         }
726         return 0;
727 }
728
729 void r100_cs_dump_packet(struct radeon_cs_parser *p,
730                          struct radeon_cs_packet *pkt)
731 {
732         volatile uint32_t *ib;
733         unsigned i;
734         unsigned idx;
735
736         ib = p->ib->ptr;
737         idx = pkt->idx;
738         for (i = 0; i <= (pkt->count + 1); i++, idx++) {
739                 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
740         }
741 }
742
743 /**
744  * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
745  * @parser:     parser structure holding parsing context.
746  * @pkt:        where to store packet informations
747  *
748  * Assume that chunk_ib_index is properly set. Will return -EINVAL
749  * if packet is bigger than remaining ib size. or if packets is unknown.
750  **/
751 int r100_cs_packet_parse(struct radeon_cs_parser *p,
752                          struct radeon_cs_packet *pkt,
753                          unsigned idx)
754 {
755         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
756         uint32_t header;
757
758         if (idx >= ib_chunk->length_dw) {
759                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
760                           idx, ib_chunk->length_dw);
761                 return -EINVAL;
762         }
763         header = radeon_get_ib_value(p, idx);
764         pkt->idx = idx;
765         pkt->type = CP_PACKET_GET_TYPE(header);
766         pkt->count = CP_PACKET_GET_COUNT(header);
767         switch (pkt->type) {
768         case PACKET_TYPE0:
769                 pkt->reg = CP_PACKET0_GET_REG(header);
770                 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
771                 break;
772         case PACKET_TYPE3:
773                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
774                 break;
775         case PACKET_TYPE2:
776                 pkt->count = -1;
777                 break;
778         default:
779                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
780                 return -EINVAL;
781         }
782         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
783                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
784                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
785                 return -EINVAL;
786         }
787         return 0;
788 }
789
790 /**
791  * r100_cs_packet_next_vline() - parse userspace VLINE packet
792  * @parser:             parser structure holding parsing context.
793  *
794  * Userspace sends a special sequence for VLINE waits.
795  * PACKET0 - VLINE_START_END + value
796  * PACKET0 - WAIT_UNTIL +_value
797  * RELOC (P3) - crtc_id in reloc.
798  *
799  * This function parses this and relocates the VLINE START END
800  * and WAIT UNTIL packets to the correct crtc.
801  * It also detects a switched off crtc and nulls out the
802  * wait in that case.
803  */
804 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
805 {
806         struct drm_mode_object *obj;
807         struct drm_crtc *crtc;
808         struct radeon_crtc *radeon_crtc;
809         struct radeon_cs_packet p3reloc, waitreloc;
810         int crtc_id;
811         int r;
812         uint32_t header, h_idx, reg;
813         volatile uint32_t *ib;
814
815         ib = p->ib->ptr;
816
817         /* parse the wait until */
818         r = r100_cs_packet_parse(p, &waitreloc, p->idx);
819         if (r)
820                 return r;
821
822         /* check its a wait until and only 1 count */
823         if (waitreloc.reg != RADEON_WAIT_UNTIL ||
824             waitreloc.count != 0) {
825                 DRM_ERROR("vline wait had illegal wait until segment\n");
826                 r = -EINVAL;
827                 return r;
828         }
829
830         if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
831                 DRM_ERROR("vline wait had illegal wait until\n");
832                 r = -EINVAL;
833                 return r;
834         }
835
836         /* jump over the NOP */
837         r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
838         if (r)
839                 return r;
840
841         h_idx = p->idx - 2;
842         p->idx += waitreloc.count + 2;
843         p->idx += p3reloc.count + 2;
844
845         header = radeon_get_ib_value(p, h_idx);
846         crtc_id = radeon_get_ib_value(p, h_idx + 5);
847         reg = CP_PACKET0_GET_REG(header);
848         mutex_lock(&p->rdev->ddev->mode_config.mutex);
849         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
850         if (!obj) {
851                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
852                 r = -EINVAL;
853                 goto out;
854         }
855         crtc = obj_to_crtc(obj);
856         radeon_crtc = to_radeon_crtc(crtc);
857         crtc_id = radeon_crtc->crtc_id;
858
859         if (!crtc->enabled) {
860                 /* if the CRTC isn't enabled - we need to nop out the wait until */
861                 ib[h_idx + 2] = PACKET2(0);
862                 ib[h_idx + 3] = PACKET2(0);
863         } else if (crtc_id == 1) {
864                 switch (reg) {
865                 case AVIVO_D1MODE_VLINE_START_END:
866                         header &= ~R300_CP_PACKET0_REG_MASK;
867                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
868                         break;
869                 case RADEON_CRTC_GUI_TRIG_VLINE:
870                         header &= ~R300_CP_PACKET0_REG_MASK;
871                         header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
872                         break;
873                 default:
874                         DRM_ERROR("unknown crtc reloc\n");
875                         r = -EINVAL;
876                         goto out;
877                 }
878                 ib[h_idx] = header;
879                 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
880         }
881 out:
882         mutex_unlock(&p->rdev->ddev->mode_config.mutex);
883         return r;
884 }
885
886 /**
887  * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
888  * @parser:             parser structure holding parsing context.
889  * @data:               pointer to relocation data
890  * @offset_start:       starting offset
891  * @offset_mask:        offset mask (to align start offset on)
892  * @reloc:              reloc informations
893  *
894  * Check next packet is relocation packet3, do bo validation and compute
895  * GPU offset using the provided start.
896  **/
897 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
898                               struct radeon_cs_reloc **cs_reloc)
899 {
900         struct radeon_cs_chunk *relocs_chunk;
901         struct radeon_cs_packet p3reloc;
902         unsigned idx;
903         int r;
904
905         if (p->chunk_relocs_idx == -1) {
906                 DRM_ERROR("No relocation chunk !\n");
907                 return -EINVAL;
908         }
909         *cs_reloc = NULL;
910         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
911         r = r100_cs_packet_parse(p, &p3reloc, p->idx);
912         if (r) {
913                 return r;
914         }
915         p->idx += p3reloc.count + 2;
916         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
917                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
918                           p3reloc.idx);
919                 r100_cs_dump_packet(p, &p3reloc);
920                 return -EINVAL;
921         }
922         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
923         if (idx >= relocs_chunk->length_dw) {
924                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
925                           idx, relocs_chunk->length_dw);
926                 r100_cs_dump_packet(p, &p3reloc);
927                 return -EINVAL;
928         }
929         /* FIXME: we assume reloc size is 4 dwords */
930         *cs_reloc = p->relocs_ptr[(idx / 4)];
931         return 0;
932 }
933
934 static int r100_get_vtx_size(uint32_t vtx_fmt)
935 {
936         int vtx_size;
937         vtx_size = 2;
938         /* ordered according to bits in spec */
939         if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
940                 vtx_size++;
941         if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
942                 vtx_size += 3;
943         if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
944                 vtx_size++;
945         if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
946                 vtx_size++;
947         if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
948                 vtx_size += 3;
949         if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
950                 vtx_size++;
951         if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
952                 vtx_size++;
953         if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
954                 vtx_size += 2;
955         if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
956                 vtx_size += 2;
957         if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
958                 vtx_size++;
959         if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
960                 vtx_size += 2;
961         if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
962                 vtx_size++;
963         if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
964                 vtx_size += 2;
965         if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
966                 vtx_size++;
967         if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
968                 vtx_size++;
969         /* blend weight */
970         if (vtx_fmt & (0x7 << 15))
971                 vtx_size += (vtx_fmt >> 15) & 0x7;
972         if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
973                 vtx_size += 3;
974         if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
975                 vtx_size += 2;
976         if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
977                 vtx_size++;
978         if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
979                 vtx_size++;
980         if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
981                 vtx_size++;
982         if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
983                 vtx_size++;
984         return vtx_size;
985 }
986
987 static int r100_packet0_check(struct radeon_cs_parser *p,
988                               struct radeon_cs_packet *pkt,
989                               unsigned idx, unsigned reg)
990 {
991         struct radeon_cs_reloc *reloc;
992         struct r100_cs_track *track;
993         volatile uint32_t *ib;
994         uint32_t tmp;
995         int r;
996         int i, face;
997         u32 tile_flags = 0;
998         u32 idx_value;
999
1000         ib = p->ib->ptr;
1001         track = (struct r100_cs_track *)p->track;
1002
1003         idx_value = radeon_get_ib_value(p, idx);
1004
1005         switch (reg) {
1006         case RADEON_CRTC_GUI_TRIG_VLINE:
1007                 r = r100_cs_packet_parse_vline(p);
1008                 if (r) {
1009                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1010                                   idx, reg);
1011                         r100_cs_dump_packet(p, pkt);
1012                         return r;
1013                 }
1014                 break;
1015                 /* FIXME: only allow PACKET3 blit? easier to check for out of
1016                  * range access */
1017         case RADEON_DST_PITCH_OFFSET:
1018         case RADEON_SRC_PITCH_OFFSET:
1019                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1020                 if (r)
1021                         return r;
1022                 break;
1023         case RADEON_RB3D_DEPTHOFFSET:
1024                 r = r100_cs_packet_next_reloc(p, &reloc);
1025                 if (r) {
1026                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1027                                   idx, reg);
1028                         r100_cs_dump_packet(p, pkt);
1029                         return r;
1030                 }
1031                 track->zb.robj = reloc->robj;
1032                 track->zb.offset = idx_value;
1033                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1034                 break;
1035         case RADEON_RB3D_COLOROFFSET:
1036                 r = r100_cs_packet_next_reloc(p, &reloc);
1037                 if (r) {
1038                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1039                                   idx, reg);
1040                         r100_cs_dump_packet(p, pkt);
1041                         return r;
1042                 }
1043                 track->cb[0].robj = reloc->robj;
1044                 track->cb[0].offset = idx_value;
1045                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1046                 break;
1047         case RADEON_PP_TXOFFSET_0:
1048         case RADEON_PP_TXOFFSET_1:
1049         case RADEON_PP_TXOFFSET_2:
1050                 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1051                 r = r100_cs_packet_next_reloc(p, &reloc);
1052                 if (r) {
1053                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1054                                   idx, reg);
1055                         r100_cs_dump_packet(p, pkt);
1056                         return r;
1057                 }
1058                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1059                 track->textures[i].robj = reloc->robj;
1060                 break;
1061         case RADEON_PP_CUBIC_OFFSET_T0_0:
1062         case RADEON_PP_CUBIC_OFFSET_T0_1:
1063         case RADEON_PP_CUBIC_OFFSET_T0_2:
1064         case RADEON_PP_CUBIC_OFFSET_T0_3:
1065         case RADEON_PP_CUBIC_OFFSET_T0_4:
1066                 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1067                 r = r100_cs_packet_next_reloc(p, &reloc);
1068                 if (r) {
1069                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1070                                   idx, reg);
1071                         r100_cs_dump_packet(p, pkt);
1072                         return r;
1073                 }
1074                 track->textures[0].cube_info[i].offset = idx_value;
1075                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1076                 track->textures[0].cube_info[i].robj = reloc->robj;
1077                 break;
1078         case RADEON_PP_CUBIC_OFFSET_T1_0:
1079         case RADEON_PP_CUBIC_OFFSET_T1_1:
1080         case RADEON_PP_CUBIC_OFFSET_T1_2:
1081         case RADEON_PP_CUBIC_OFFSET_T1_3:
1082         case RADEON_PP_CUBIC_OFFSET_T1_4:
1083                 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1084                 r = r100_cs_packet_next_reloc(p, &reloc);
1085                 if (r) {
1086                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1087                                   idx, reg);
1088                         r100_cs_dump_packet(p, pkt);
1089                         return r;
1090                 }
1091                 track->textures[1].cube_info[i].offset = idx_value;
1092                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1093                 track->textures[1].cube_info[i].robj = reloc->robj;
1094                 break;
1095         case RADEON_PP_CUBIC_OFFSET_T2_0:
1096         case RADEON_PP_CUBIC_OFFSET_T2_1:
1097         case RADEON_PP_CUBIC_OFFSET_T2_2:
1098         case RADEON_PP_CUBIC_OFFSET_T2_3:
1099         case RADEON_PP_CUBIC_OFFSET_T2_4:
1100                 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1101                 r = r100_cs_packet_next_reloc(p, &reloc);
1102                 if (r) {
1103                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1104                                   idx, reg);
1105                         r100_cs_dump_packet(p, pkt);
1106                         return r;
1107                 }
1108                 track->textures[2].cube_info[i].offset = idx_value;
1109                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1110                 track->textures[2].cube_info[i].robj = reloc->robj;
1111                 break;
1112         case RADEON_RE_WIDTH_HEIGHT:
1113                 track->maxy = ((idx_value >> 16) & 0x7FF);
1114                 break;
1115         case RADEON_RB3D_COLORPITCH:
1116                 r = r100_cs_packet_next_reloc(p, &reloc);
1117                 if (r) {
1118                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1119                                   idx, reg);
1120                         r100_cs_dump_packet(p, pkt);
1121                         return r;
1122                 }
1123
1124                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1125                         tile_flags |= RADEON_COLOR_TILE_ENABLE;
1126                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1127                         tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1128
1129                 tmp = idx_value & ~(0x7 << 16);
1130                 tmp |= tile_flags;
1131                 ib[idx] = tmp;
1132
1133                 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1134                 break;
1135         case RADEON_RB3D_DEPTHPITCH:
1136                 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1137                 break;
1138         case RADEON_RB3D_CNTL:
1139                 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1140                 case 7:
1141                 case 8:
1142                 case 9:
1143                 case 11:
1144                 case 12:
1145                         track->cb[0].cpp = 1;
1146                         break;
1147                 case 3:
1148                 case 4:
1149                 case 15:
1150                         track->cb[0].cpp = 2;
1151                         break;
1152                 case 6:
1153                         track->cb[0].cpp = 4;
1154                         break;
1155                 default:
1156                         DRM_ERROR("Invalid color buffer format (%d) !\n",
1157                                   ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1158                         return -EINVAL;
1159                 }
1160                 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1161                 break;
1162         case RADEON_RB3D_ZSTENCILCNTL:
1163                 switch (idx_value & 0xf) {
1164                 case 0:
1165                         track->zb.cpp = 2;
1166                         break;
1167                 case 2:
1168                 case 3:
1169                 case 4:
1170                 case 5:
1171                 case 9:
1172                 case 11:
1173                         track->zb.cpp = 4;
1174                         break;
1175                 default:
1176                         break;
1177                 }
1178                 break;
1179         case RADEON_RB3D_ZPASS_ADDR:
1180                 r = r100_cs_packet_next_reloc(p, &reloc);
1181                 if (r) {
1182                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1183                                   idx, reg);
1184                         r100_cs_dump_packet(p, pkt);
1185                         return r;
1186                 }
1187                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1188                 break;
1189         case RADEON_PP_CNTL:
1190                 {
1191                         uint32_t temp = idx_value >> 4;
1192                         for (i = 0; i < track->num_texture; i++)
1193                                 track->textures[i].enabled = !!(temp & (1 << i));
1194                 }
1195                 break;
1196         case RADEON_SE_VF_CNTL:
1197                 track->vap_vf_cntl = idx_value;
1198                 break;
1199         case RADEON_SE_VTX_FMT:
1200                 track->vtx_size = r100_get_vtx_size(idx_value);
1201                 break;
1202         case RADEON_PP_TEX_SIZE_0:
1203         case RADEON_PP_TEX_SIZE_1:
1204         case RADEON_PP_TEX_SIZE_2:
1205                 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1206                 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1207                 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1208                 break;
1209         case RADEON_PP_TEX_PITCH_0:
1210         case RADEON_PP_TEX_PITCH_1:
1211         case RADEON_PP_TEX_PITCH_2:
1212                 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1213                 track->textures[i].pitch = idx_value + 32;
1214                 break;
1215         case RADEON_PP_TXFILTER_0:
1216         case RADEON_PP_TXFILTER_1:
1217         case RADEON_PP_TXFILTER_2:
1218                 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1219                 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1220                                                  >> RADEON_MAX_MIP_LEVEL_SHIFT);
1221                 tmp = (idx_value >> 23) & 0x7;
1222                 if (tmp == 2 || tmp == 6)
1223                         track->textures[i].roundup_w = false;
1224                 tmp = (idx_value >> 27) & 0x7;
1225                 if (tmp == 2 || tmp == 6)
1226                         track->textures[i].roundup_h = false;
1227                 break;
1228         case RADEON_PP_TXFORMAT_0:
1229         case RADEON_PP_TXFORMAT_1:
1230         case RADEON_PP_TXFORMAT_2:
1231                 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1232                 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1233                         track->textures[i].use_pitch = 1;
1234                 } else {
1235                         track->textures[i].use_pitch = 0;
1236                         track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1237                         track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1238                 }
1239                 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1240                         track->textures[i].tex_coord_type = 2;
1241                 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1242                 case RADEON_TXFORMAT_I8:
1243                 case RADEON_TXFORMAT_RGB332:
1244                 case RADEON_TXFORMAT_Y8:
1245                         track->textures[i].cpp = 1;
1246                         break;
1247                 case RADEON_TXFORMAT_AI88:
1248                 case RADEON_TXFORMAT_ARGB1555:
1249                 case RADEON_TXFORMAT_RGB565:
1250                 case RADEON_TXFORMAT_ARGB4444:
1251                 case RADEON_TXFORMAT_VYUY422:
1252                 case RADEON_TXFORMAT_YVYU422:
1253                 case RADEON_TXFORMAT_DXT1:
1254                 case RADEON_TXFORMAT_SHADOW16:
1255                 case RADEON_TXFORMAT_LDUDV655:
1256                 case RADEON_TXFORMAT_DUDV88:
1257                         track->textures[i].cpp = 2;
1258                         break;
1259                 case RADEON_TXFORMAT_ARGB8888:
1260                 case RADEON_TXFORMAT_RGBA8888:
1261                 case RADEON_TXFORMAT_DXT23:
1262                 case RADEON_TXFORMAT_DXT45:
1263                 case RADEON_TXFORMAT_SHADOW32:
1264                 case RADEON_TXFORMAT_LDUDUV8888:
1265                         track->textures[i].cpp = 4;
1266                         break;
1267                 }
1268                 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1269                 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1270                 break;
1271         case RADEON_PP_CUBIC_FACES_0:
1272         case RADEON_PP_CUBIC_FACES_1:
1273         case RADEON_PP_CUBIC_FACES_2:
1274                 tmp = idx_value;
1275                 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1276                 for (face = 0; face < 4; face++) {
1277                         track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1278                         track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1279                 }
1280                 break;
1281         default:
1282                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1283                        reg, idx);
1284                 return -EINVAL;
1285         }
1286         return 0;
1287 }
1288
1289 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1290                                          struct radeon_cs_packet *pkt,
1291                                          struct radeon_object *robj)
1292 {
1293         unsigned idx;
1294         u32 value;
1295         idx = pkt->idx + 1;
1296         value = radeon_get_ib_value(p, idx + 2);
1297         if ((value + 1) > radeon_object_size(robj)) {
1298                 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1299                           "(need %u have %lu) !\n",
1300                           value + 1,
1301                           radeon_object_size(robj));
1302                 return -EINVAL;
1303         }
1304         return 0;
1305 }
1306
1307 static int r100_packet3_check(struct radeon_cs_parser *p,
1308                               struct radeon_cs_packet *pkt)
1309 {
1310         struct radeon_cs_reloc *reloc;
1311         struct r100_cs_track *track;
1312         unsigned idx;
1313         volatile uint32_t *ib;
1314         int r;
1315
1316         ib = p->ib->ptr;
1317         idx = pkt->idx + 1;
1318         track = (struct r100_cs_track *)p->track;
1319         switch (pkt->opcode) {
1320         case PACKET3_3D_LOAD_VBPNTR:
1321                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1322                 if (r)
1323                         return r;
1324                 break;
1325         case PACKET3_INDX_BUFFER:
1326                 r = r100_cs_packet_next_reloc(p, &reloc);
1327                 if (r) {
1328                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1329                         r100_cs_dump_packet(p, pkt);
1330                         return r;
1331                 }
1332                 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1333                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1334                 if (r) {
1335                         return r;
1336                 }
1337                 break;
1338         case 0x23:
1339                 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1340                 r = r100_cs_packet_next_reloc(p, &reloc);
1341                 if (r) {
1342                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1343                         r100_cs_dump_packet(p, pkt);
1344                         return r;
1345                 }
1346                 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1347                 track->num_arrays = 1;
1348                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1349
1350                 track->arrays[0].robj = reloc->robj;
1351                 track->arrays[0].esize = track->vtx_size;
1352
1353                 track->max_indx = radeon_get_ib_value(p, idx+1);
1354
1355                 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1356                 track->immd_dwords = pkt->count - 1;
1357                 r = r100_cs_track_check(p->rdev, track);
1358                 if (r)
1359                         return r;
1360                 break;
1361         case PACKET3_3D_DRAW_IMMD:
1362                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1363                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1364                         return -EINVAL;
1365                 }
1366                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1367                 track->immd_dwords = pkt->count - 1;
1368                 r = r100_cs_track_check(p->rdev, track);
1369                 if (r)
1370                         return r;
1371                 break;
1372                 /* triggers drawing using in-packet vertex data */
1373         case PACKET3_3D_DRAW_IMMD_2:
1374                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1375                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1376                         return -EINVAL;
1377                 }
1378                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1379                 track->immd_dwords = pkt->count;
1380                 r = r100_cs_track_check(p->rdev, track);
1381                 if (r)
1382                         return r;
1383                 break;
1384                 /* triggers drawing using in-packet vertex data */
1385         case PACKET3_3D_DRAW_VBUF_2:
1386                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1387                 r = r100_cs_track_check(p->rdev, track);
1388                 if (r)
1389                         return r;
1390                 break;
1391                 /* triggers drawing of vertex buffers setup elsewhere */
1392         case PACKET3_3D_DRAW_INDX_2:
1393                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1394                 r = r100_cs_track_check(p->rdev, track);
1395                 if (r)
1396                         return r;
1397                 break;
1398                 /* triggers drawing using indices to vertex buffer */
1399         case PACKET3_3D_DRAW_VBUF:
1400                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1401                 r = r100_cs_track_check(p->rdev, track);
1402                 if (r)
1403                         return r;
1404                 break;
1405                 /* triggers drawing of vertex buffers setup elsewhere */
1406         case PACKET3_3D_DRAW_INDX:
1407                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1408                 r = r100_cs_track_check(p->rdev, track);
1409                 if (r)
1410                         return r;
1411                 break;
1412                 /* triggers drawing using indices to vertex buffer */
1413         case PACKET3_NOP:
1414                 break;
1415         default:
1416                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1417                 return -EINVAL;
1418         }
1419         return 0;
1420 }
1421
1422 int r100_cs_parse(struct radeon_cs_parser *p)
1423 {
1424         struct radeon_cs_packet pkt;
1425         struct r100_cs_track *track;
1426         int r;
1427
1428         track = kzalloc(sizeof(*track), GFP_KERNEL);
1429         r100_cs_track_clear(p->rdev, track);
1430         p->track = track;
1431         do {
1432                 r = r100_cs_packet_parse(p, &pkt, p->idx);
1433                 if (r) {
1434                         return r;
1435                 }
1436                 p->idx += pkt.count + 2;
1437                 switch (pkt.type) {
1438                         case PACKET_TYPE0:
1439                                 if (p->rdev->family >= CHIP_R200)
1440                                         r = r100_cs_parse_packet0(p, &pkt,
1441                                                                   p->rdev->config.r100.reg_safe_bm,
1442                                                                   p->rdev->config.r100.reg_safe_bm_size,
1443                                                                   &r200_packet0_check);
1444                                 else
1445                                         r = r100_cs_parse_packet0(p, &pkt,
1446                                                                   p->rdev->config.r100.reg_safe_bm,
1447                                                                   p->rdev->config.r100.reg_safe_bm_size,
1448                                                                   &r100_packet0_check);
1449                                 break;
1450                         case PACKET_TYPE2:
1451                                 break;
1452                         case PACKET_TYPE3:
1453                                 r = r100_packet3_check(p, &pkt);
1454                                 break;
1455                         default:
1456                                 DRM_ERROR("Unknown packet type %d !\n",
1457                                           pkt.type);
1458                                 return -EINVAL;
1459                 }
1460                 if (r) {
1461                         return r;
1462                 }
1463         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1464         return 0;
1465 }
1466
1467
1468 /*
1469  * Global GPU functions
1470  */
1471 void r100_errata(struct radeon_device *rdev)
1472 {
1473         rdev->pll_errata = 0;
1474
1475         if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
1476                 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
1477         }
1478
1479         if (rdev->family == CHIP_RV100 ||
1480             rdev->family == CHIP_RS100 ||
1481             rdev->family == CHIP_RS200) {
1482                 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
1483         }
1484 }
1485
1486 /* Wait for vertical sync on primary CRTC */
1487 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
1488 {
1489         uint32_t crtc_gen_cntl, tmp;
1490         int i;
1491
1492         crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
1493         if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
1494             !(crtc_gen_cntl & RADEON_CRTC_EN)) {
1495                 return;
1496         }
1497         /* Clear the CRTC_VBLANK_SAVE bit */
1498         WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
1499         for (i = 0; i < rdev->usec_timeout; i++) {
1500                 tmp = RREG32(RADEON_CRTC_STATUS);
1501                 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
1502                         return;
1503                 }
1504                 DRM_UDELAY(1);
1505         }
1506 }
1507
1508 /* Wait for vertical sync on secondary CRTC */
1509 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
1510 {
1511         uint32_t crtc2_gen_cntl, tmp;
1512         int i;
1513
1514         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1515         if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
1516             !(crtc2_gen_cntl & RADEON_CRTC2_EN))
1517                 return;
1518
1519         /* Clear the CRTC_VBLANK_SAVE bit */
1520         WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
1521         for (i = 0; i < rdev->usec_timeout; i++) {
1522                 tmp = RREG32(RADEON_CRTC2_STATUS);
1523                 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
1524                         return;
1525                 }
1526                 DRM_UDELAY(1);
1527         }
1528 }
1529
1530 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
1531 {
1532         unsigned i;
1533         uint32_t tmp;
1534
1535         for (i = 0; i < rdev->usec_timeout; i++) {
1536                 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
1537                 if (tmp >= n) {
1538                         return 0;
1539                 }
1540                 DRM_UDELAY(1);
1541         }
1542         return -1;
1543 }
1544
1545 int r100_gui_wait_for_idle(struct radeon_device *rdev)
1546 {
1547         unsigned i;
1548         uint32_t tmp;
1549
1550         if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
1551                 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
1552                        " Bad things might happen.\n");
1553         }
1554         for (i = 0; i < rdev->usec_timeout; i++) {
1555                 tmp = RREG32(RADEON_RBBM_STATUS);
1556                 if (!(tmp & (1 << 31))) {
1557                         return 0;
1558                 }
1559                 DRM_UDELAY(1);
1560         }
1561         return -1;
1562 }
1563
1564 int r100_mc_wait_for_idle(struct radeon_device *rdev)
1565 {
1566         unsigned i;
1567         uint32_t tmp;
1568
1569         for (i = 0; i < rdev->usec_timeout; i++) {
1570                 /* read MC_STATUS */
1571                 tmp = RREG32(0x0150);
1572                 if (tmp & (1 << 2)) {
1573                         return 0;
1574                 }
1575                 DRM_UDELAY(1);
1576         }
1577         return -1;
1578 }
1579
1580 void r100_gpu_init(struct radeon_device *rdev)
1581 {
1582         /* TODO: anythings to do here ? pipes ? */
1583         r100_hdp_reset(rdev);
1584 }
1585
1586 void r100_hdp_reset(struct radeon_device *rdev)
1587 {
1588         uint32_t tmp;
1589
1590         tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
1591         tmp |= (7 << 28);
1592         WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
1593         (void)RREG32(RADEON_HOST_PATH_CNTL);
1594         udelay(200);
1595         WREG32(RADEON_RBBM_SOFT_RESET, 0);
1596         WREG32(RADEON_HOST_PATH_CNTL, tmp);
1597         (void)RREG32(RADEON_HOST_PATH_CNTL);
1598 }
1599
1600 int r100_rb2d_reset(struct radeon_device *rdev)
1601 {
1602         uint32_t tmp;
1603         int i;
1604
1605         WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_E2);
1606         (void)RREG32(RADEON_RBBM_SOFT_RESET);
1607         udelay(200);
1608         WREG32(RADEON_RBBM_SOFT_RESET, 0);
1609         /* Wait to prevent race in RBBM_STATUS */
1610         mdelay(1);
1611         for (i = 0; i < rdev->usec_timeout; i++) {
1612                 tmp = RREG32(RADEON_RBBM_STATUS);
1613                 if (!(tmp & (1 << 26))) {
1614                         DRM_INFO("RB2D reset succeed (RBBM_STATUS=0x%08X)\n",
1615                                  tmp);
1616                         return 0;
1617                 }
1618                 DRM_UDELAY(1);
1619         }
1620         tmp = RREG32(RADEON_RBBM_STATUS);
1621         DRM_ERROR("Failed to reset RB2D (RBBM_STATUS=0x%08X)!\n", tmp);
1622         return -1;
1623 }
1624
1625 int r100_gpu_reset(struct radeon_device *rdev)
1626 {
1627         uint32_t status;
1628
1629         /* reset order likely matter */
1630         status = RREG32(RADEON_RBBM_STATUS);
1631         /* reset HDP */
1632         r100_hdp_reset(rdev);
1633         /* reset rb2d */
1634         if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
1635                 r100_rb2d_reset(rdev);
1636         }
1637         /* TODO: reset 3D engine */
1638         /* reset CP */
1639         status = RREG32(RADEON_RBBM_STATUS);
1640         if (status & (1 << 16)) {
1641                 r100_cp_reset(rdev);
1642         }
1643         /* Check if GPU is idle */
1644         status = RREG32(RADEON_RBBM_STATUS);
1645         if (status & (1 << 31)) {
1646                 DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
1647                 return -1;
1648         }
1649         DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
1650         return 0;
1651 }
1652
1653
1654 /*
1655  * VRAM info
1656  */
1657 static void r100_vram_get_type(struct radeon_device *rdev)
1658 {
1659         uint32_t tmp;
1660
1661         rdev->mc.vram_is_ddr = false;
1662         if (rdev->flags & RADEON_IS_IGP)
1663                 rdev->mc.vram_is_ddr = true;
1664         else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
1665                 rdev->mc.vram_is_ddr = true;
1666         if ((rdev->family == CHIP_RV100) ||
1667             (rdev->family == CHIP_RS100) ||
1668             (rdev->family == CHIP_RS200)) {
1669                 tmp = RREG32(RADEON_MEM_CNTL);
1670                 if (tmp & RV100_HALF_MODE) {
1671                         rdev->mc.vram_width = 32;
1672                 } else {
1673                         rdev->mc.vram_width = 64;
1674                 }
1675                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1676                         rdev->mc.vram_width /= 4;
1677                         rdev->mc.vram_is_ddr = true;
1678                 }
1679         } else if (rdev->family <= CHIP_RV280) {
1680                 tmp = RREG32(RADEON_MEM_CNTL);
1681                 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
1682                         rdev->mc.vram_width = 128;
1683                 } else {
1684                         rdev->mc.vram_width = 64;
1685                 }
1686         } else {
1687                 /* newer IGPs */
1688                 rdev->mc.vram_width = 128;
1689         }
1690 }
1691
1692 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
1693 {
1694         u32 aper_size;
1695         u8 byte;
1696
1697         aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1698
1699         /* Set HDP_APER_CNTL only on cards that are known not to be broken,
1700          * that is has the 2nd generation multifunction PCI interface
1701          */
1702         if (rdev->family == CHIP_RV280 ||
1703             rdev->family >= CHIP_RV350) {
1704                 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
1705                        ~RADEON_HDP_APER_CNTL);
1706                 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
1707                 return aper_size * 2;
1708         }
1709
1710         /* Older cards have all sorts of funny issues to deal with. First
1711          * check if it's a multifunction card by reading the PCI config
1712          * header type... Limit those to one aperture size
1713          */
1714         pci_read_config_byte(rdev->pdev, 0xe, &byte);
1715         if (byte & 0x80) {
1716                 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
1717                 DRM_INFO("Limiting VRAM to one aperture\n");
1718                 return aper_size;
1719         }
1720
1721         /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
1722          * have set it up. We don't write this as it's broken on some ASICs but
1723          * we expect the BIOS to have done the right thing (might be too optimistic...)
1724          */
1725         if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
1726                 return aper_size * 2;
1727         return aper_size;
1728 }
1729
1730 void r100_vram_init_sizes(struct radeon_device *rdev)
1731 {
1732         u64 config_aper_size;
1733         u32 accessible;
1734
1735         config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1736
1737         if (rdev->flags & RADEON_IS_IGP) {
1738                 uint32_t tom;
1739                 /* read NB_TOM to get the amount of ram stolen for the GPU */
1740                 tom = RREG32(RADEON_NB_TOM);
1741                 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
1742                 /* for IGPs we need to keep VRAM where it was put by the BIOS */
1743                 rdev->mc.vram_location = (tom & 0xffff) << 16;
1744                 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1745                 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1746         } else {
1747                 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
1748                 /* Some production boards of m6 will report 0
1749                  * if it's 8 MB
1750                  */
1751                 if (rdev->mc.real_vram_size == 0) {
1752                         rdev->mc.real_vram_size = 8192 * 1024;
1753                         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1754                 }
1755                 /* let driver place VRAM */
1756                 rdev->mc.vram_location = 0xFFFFFFFFUL;
1757                  /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 
1758                   * Novell bug 204882 + along with lots of ubuntu ones */
1759                 if (config_aper_size > rdev->mc.real_vram_size)
1760                         rdev->mc.mc_vram_size = config_aper_size;
1761                 else
1762                         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1763         }
1764
1765         /* work out accessible VRAM */
1766         accessible = r100_get_accessible_vram(rdev);
1767
1768         rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
1769         rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
1770
1771         if (accessible > rdev->mc.aper_size)
1772                 accessible = rdev->mc.aper_size;
1773
1774         if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
1775                 rdev->mc.mc_vram_size = rdev->mc.aper_size;
1776
1777         if (rdev->mc.real_vram_size > rdev->mc.aper_size)
1778                 rdev->mc.real_vram_size = rdev->mc.aper_size;
1779 }
1780
1781 void r100_vga_set_state(struct radeon_device *rdev, bool state)
1782 {
1783         uint32_t temp;
1784
1785         temp = RREG32(RADEON_CONFIG_CNTL);
1786         if (state == false) {
1787                 temp &= ~(1<<8);
1788                 temp |= (1<<9);
1789         } else {
1790                 temp &= ~(1<<9);
1791         }
1792         WREG32(RADEON_CONFIG_CNTL, temp);
1793 }
1794
1795 void r100_vram_info(struct radeon_device *rdev)
1796 {
1797         r100_vram_get_type(rdev);
1798
1799         r100_vram_init_sizes(rdev);
1800 }
1801
1802
1803 /*
1804  * Indirect registers accessor
1805  */
1806 void r100_pll_errata_after_index(struct radeon_device *rdev)
1807 {
1808         if (!(rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS)) {
1809                 return;
1810         }
1811         (void)RREG32(RADEON_CLOCK_CNTL_DATA);
1812         (void)RREG32(RADEON_CRTC_GEN_CNTL);
1813 }
1814
1815 static void r100_pll_errata_after_data(struct radeon_device *rdev)
1816 {
1817         /* This workarounds is necessary on RV100, RS100 and RS200 chips
1818          * or the chip could hang on a subsequent access
1819          */
1820         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
1821                 udelay(5000);
1822         }
1823
1824         /* This function is required to workaround a hardware bug in some (all?)
1825          * revisions of the R300.  This workaround should be called after every
1826          * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
1827          * may not be correct.
1828          */
1829         if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
1830                 uint32_t save, tmp;
1831
1832                 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
1833                 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
1834                 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
1835                 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
1836                 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
1837         }
1838 }
1839
1840 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
1841 {
1842         uint32_t data;
1843
1844         WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
1845         r100_pll_errata_after_index(rdev);
1846         data = RREG32(RADEON_CLOCK_CNTL_DATA);
1847         r100_pll_errata_after_data(rdev);
1848         return data;
1849 }
1850
1851 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1852 {
1853         WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
1854         r100_pll_errata_after_index(rdev);
1855         WREG32(RADEON_CLOCK_CNTL_DATA, v);
1856         r100_pll_errata_after_data(rdev);
1857 }
1858
1859 void r100_set_safe_registers(struct radeon_device *rdev)
1860 {
1861         if (ASIC_IS_RN50(rdev)) {
1862                 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
1863                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
1864         } else if (rdev->family < CHIP_R200) {
1865                 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
1866                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
1867         } else {
1868                 r200_set_safe_registers(rdev);
1869         }
1870 }
1871
1872 /*
1873  * Debugfs info
1874  */
1875 #if defined(CONFIG_DEBUG_FS)
1876 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
1877 {
1878         struct drm_info_node *node = (struct drm_info_node *) m->private;
1879         struct drm_device *dev = node->minor->dev;
1880         struct radeon_device *rdev = dev->dev_private;
1881         uint32_t reg, value;
1882         unsigned i;
1883
1884         seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
1885         seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
1886         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
1887         for (i = 0; i < 64; i++) {
1888                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
1889                 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
1890                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
1891                 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
1892                 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
1893         }
1894         return 0;
1895 }
1896
1897 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
1898 {
1899         struct drm_info_node *node = (struct drm_info_node *) m->private;
1900         struct drm_device *dev = node->minor->dev;
1901         struct radeon_device *rdev = dev->dev_private;
1902         uint32_t rdp, wdp;
1903         unsigned count, i, j;
1904
1905         radeon_ring_free_size(rdev);
1906         rdp = RREG32(RADEON_CP_RB_RPTR);
1907         wdp = RREG32(RADEON_CP_RB_WPTR);
1908         count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
1909         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
1910         seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
1911         seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
1912         seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
1913         seq_printf(m, "%u dwords in ring\n", count);
1914         for (j = 0; j <= count; j++) {
1915                 i = (rdp + j) & rdev->cp.ptr_mask;
1916                 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
1917         }
1918         return 0;
1919 }
1920
1921
1922 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
1923 {
1924         struct drm_info_node *node = (struct drm_info_node *) m->private;
1925         struct drm_device *dev = node->minor->dev;
1926         struct radeon_device *rdev = dev->dev_private;
1927         uint32_t csq_stat, csq2_stat, tmp;
1928         unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
1929         unsigned i;
1930
1931         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
1932         seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
1933         csq_stat = RREG32(RADEON_CP_CSQ_STAT);
1934         csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
1935         r_rptr = (csq_stat >> 0) & 0x3ff;
1936         r_wptr = (csq_stat >> 10) & 0x3ff;
1937         ib1_rptr = (csq_stat >> 20) & 0x3ff;
1938         ib1_wptr = (csq2_stat >> 0) & 0x3ff;
1939         ib2_rptr = (csq2_stat >> 10) & 0x3ff;
1940         ib2_wptr = (csq2_stat >> 20) & 0x3ff;
1941         seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
1942         seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
1943         seq_printf(m, "Ring rptr %u\n", r_rptr);
1944         seq_printf(m, "Ring wptr %u\n", r_wptr);
1945         seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
1946         seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
1947         seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
1948         seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
1949         /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
1950          * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
1951         seq_printf(m, "Ring fifo:\n");
1952         for (i = 0; i < 256; i++) {
1953                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
1954                 tmp = RREG32(RADEON_CP_CSQ_DATA);
1955                 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
1956         }
1957         seq_printf(m, "Indirect1 fifo:\n");
1958         for (i = 256; i <= 512; i++) {
1959                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
1960                 tmp = RREG32(RADEON_CP_CSQ_DATA);
1961                 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
1962         }
1963         seq_printf(m, "Indirect2 fifo:\n");
1964         for (i = 640; i < ib1_wptr; i++) {
1965                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
1966                 tmp = RREG32(RADEON_CP_CSQ_DATA);
1967                 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
1968         }
1969         return 0;
1970 }
1971
1972 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
1973 {
1974         struct drm_info_node *node = (struct drm_info_node *) m->private;
1975         struct drm_device *dev = node->minor->dev;
1976         struct radeon_device *rdev = dev->dev_private;
1977         uint32_t tmp;
1978
1979         tmp = RREG32(RADEON_CONFIG_MEMSIZE);
1980         seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
1981         tmp = RREG32(RADEON_MC_FB_LOCATION);
1982         seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
1983         tmp = RREG32(RADEON_BUS_CNTL);
1984         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
1985         tmp = RREG32(RADEON_MC_AGP_LOCATION);
1986         seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
1987         tmp = RREG32(RADEON_AGP_BASE);
1988         seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
1989         tmp = RREG32(RADEON_HOST_PATH_CNTL);
1990         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
1991         tmp = RREG32(0x01D0);
1992         seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
1993         tmp = RREG32(RADEON_AIC_LO_ADDR);
1994         seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
1995         tmp = RREG32(RADEON_AIC_HI_ADDR);
1996         seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
1997         tmp = RREG32(0x01E4);
1998         seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
1999         return 0;
2000 }
2001
2002 static struct drm_info_list r100_debugfs_rbbm_list[] = {
2003         {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
2004 };
2005
2006 static struct drm_info_list r100_debugfs_cp_list[] = {
2007         {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
2008         {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
2009 };
2010
2011 static struct drm_info_list r100_debugfs_mc_info_list[] = {
2012         {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
2013 };
2014 #endif
2015
2016 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2017 {
2018 #if defined(CONFIG_DEBUG_FS)
2019         return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2020 #else
2021         return 0;
2022 #endif
2023 }
2024
2025 int r100_debugfs_cp_init(struct radeon_device *rdev)
2026 {
2027 #if defined(CONFIG_DEBUG_FS)
2028         return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2029 #else
2030         return 0;
2031 #endif
2032 }
2033
2034 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2035 {
2036 #if defined(CONFIG_DEBUG_FS)
2037         return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2038 #else
2039         return 0;
2040 #endif
2041 }
2042
2043 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2044                          uint32_t tiling_flags, uint32_t pitch,
2045                          uint32_t offset, uint32_t obj_size)
2046 {
2047         int surf_index = reg * 16;
2048         int flags = 0;
2049
2050         /* r100/r200 divide by 16 */
2051         if (rdev->family < CHIP_R300)
2052                 flags = pitch / 16;
2053         else
2054                 flags = pitch / 8;
2055
2056         if (rdev->family <= CHIP_RS200) {
2057                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2058                                  == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2059                         flags |= RADEON_SURF_TILE_COLOR_BOTH;
2060                 if (tiling_flags & RADEON_TILING_MACRO)
2061                         flags |= RADEON_SURF_TILE_COLOR_MACRO;
2062         } else if (rdev->family <= CHIP_RV280) {
2063                 if (tiling_flags & (RADEON_TILING_MACRO))
2064                         flags |= R200_SURF_TILE_COLOR_MACRO;
2065                 if (tiling_flags & RADEON_TILING_MICRO)
2066                         flags |= R200_SURF_TILE_COLOR_MICRO;
2067         } else {
2068                 if (tiling_flags & RADEON_TILING_MACRO)
2069                         flags |= R300_SURF_TILE_MACRO;
2070                 if (tiling_flags & RADEON_TILING_MICRO)
2071                         flags |= R300_SURF_TILE_MICRO;
2072         }
2073
2074         if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2075                 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2076         if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2077                 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2078
2079         DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2080         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2081         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2082         WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2083         return 0;
2084 }
2085
2086 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2087 {
2088         int surf_index = reg * 16;
2089         WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2090 }
2091
2092 void r100_bandwidth_update(struct radeon_device *rdev)
2093 {
2094         fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2095         fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2096         fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
2097         uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2098         fixed20_12 memtcas_ff[8] = {
2099                 fixed_init(1),
2100                 fixed_init(2),
2101                 fixed_init(3),
2102                 fixed_init(0),
2103                 fixed_init_half(1),
2104                 fixed_init_half(2),
2105                 fixed_init(0),
2106         };
2107         fixed20_12 memtcas_rs480_ff[8] = {
2108                 fixed_init(0),
2109                 fixed_init(1),
2110                 fixed_init(2),
2111                 fixed_init(3),
2112                 fixed_init(0),
2113                 fixed_init_half(1),
2114                 fixed_init_half(2),
2115                 fixed_init_half(3),
2116         };
2117         fixed20_12 memtcas2_ff[8] = {
2118                 fixed_init(0),
2119                 fixed_init(1),
2120                 fixed_init(2),
2121                 fixed_init(3),
2122                 fixed_init(4),
2123                 fixed_init(5),
2124                 fixed_init(6),
2125                 fixed_init(7),
2126         };
2127         fixed20_12 memtrbs[8] = {
2128                 fixed_init(1),
2129                 fixed_init_half(1),
2130                 fixed_init(2),
2131                 fixed_init_half(2),
2132                 fixed_init(3),
2133                 fixed_init_half(3),
2134                 fixed_init(4),
2135                 fixed_init_half(4)
2136         };
2137         fixed20_12 memtrbs_r4xx[8] = {
2138                 fixed_init(4),
2139                 fixed_init(5),
2140                 fixed_init(6),
2141                 fixed_init(7),
2142                 fixed_init(8),
2143                 fixed_init(9),
2144                 fixed_init(10),
2145                 fixed_init(11)
2146         };
2147         fixed20_12 min_mem_eff;
2148         fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2149         fixed20_12 cur_latency_mclk, cur_latency_sclk;
2150         fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2151                 disp_drain_rate2, read_return_rate;
2152         fixed20_12 time_disp1_drop_priority;
2153         int c;
2154         int cur_size = 16;       /* in octawords */
2155         int critical_point = 0, critical_point2;
2156 /*      uint32_t read_return_rate, time_disp1_drop_priority; */
2157         int stop_req, max_stop_req;
2158         struct drm_display_mode *mode1 = NULL;
2159         struct drm_display_mode *mode2 = NULL;
2160         uint32_t pixel_bytes1 = 0;
2161         uint32_t pixel_bytes2 = 0;
2162
2163         if (rdev->mode_info.crtcs[0]->base.enabled) {
2164                 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2165                 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2166         }
2167         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2168                 if (rdev->mode_info.crtcs[1]->base.enabled) {
2169                         mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2170                         pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2171                 }
2172         }
2173
2174         min_mem_eff.full = rfixed_const_8(0);
2175         /* get modes */
2176         if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2177                 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2178                 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2179                 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2180                 /* check crtc enables */
2181                 if (mode2)
2182                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2183                 if (mode1)
2184                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2185                 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2186         }
2187
2188         /*
2189          * determine is there is enough bw for current mode
2190          */
2191         mclk_ff.full = rfixed_const(rdev->clock.default_mclk);
2192         temp_ff.full = rfixed_const(100);
2193         mclk_ff.full = rfixed_div(mclk_ff, temp_ff);
2194         sclk_ff.full = rfixed_const(rdev->clock.default_sclk);
2195         sclk_ff.full = rfixed_div(sclk_ff, temp_ff);
2196
2197         temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2198         temp_ff.full = rfixed_const(temp);
2199         mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
2200
2201         pix_clk.full = 0;
2202         pix_clk2.full = 0;
2203         peak_disp_bw.full = 0;
2204         if (mode1) {
2205                 temp_ff.full = rfixed_const(1000);
2206                 pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
2207                 pix_clk.full = rfixed_div(pix_clk, temp_ff);
2208                 temp_ff.full = rfixed_const(pixel_bytes1);
2209                 peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
2210         }
2211         if (mode2) {
2212                 temp_ff.full = rfixed_const(1000);
2213                 pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
2214                 pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
2215                 temp_ff.full = rfixed_const(pixel_bytes2);
2216                 peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
2217         }
2218
2219         mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
2220         if (peak_disp_bw.full >= mem_bw.full) {
2221                 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2222                           "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2223         }
2224
2225         /*  Get values from the EXT_MEM_CNTL register...converting its contents. */
2226         temp = RREG32(RADEON_MEM_TIMING_CNTL);
2227         if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2228                 mem_trcd = ((temp >> 2) & 0x3) + 1;
2229                 mem_trp  = ((temp & 0x3)) + 1;
2230                 mem_tras = ((temp & 0x70) >> 4) + 1;
2231         } else if (rdev->family == CHIP_R300 ||
2232                    rdev->family == CHIP_R350) { /* r300, r350 */
2233                 mem_trcd = (temp & 0x7) + 1;
2234                 mem_trp = ((temp >> 8) & 0x7) + 1;
2235                 mem_tras = ((temp >> 11) & 0xf) + 4;
2236         } else if (rdev->family == CHIP_RV350 ||
2237                    rdev->family <= CHIP_RV380) {
2238                 /* rv3x0 */
2239                 mem_trcd = (temp & 0x7) + 3;
2240                 mem_trp = ((temp >> 8) & 0x7) + 3;
2241                 mem_tras = ((temp >> 11) & 0xf) + 6;
2242         } else if (rdev->family == CHIP_R420 ||
2243                    rdev->family == CHIP_R423 ||
2244                    rdev->family == CHIP_RV410) {
2245                 /* r4xx */
2246                 mem_trcd = (temp & 0xf) + 3;
2247                 if (mem_trcd > 15)
2248                         mem_trcd = 15;
2249                 mem_trp = ((temp >> 8) & 0xf) + 3;
2250                 if (mem_trp > 15)
2251                         mem_trp = 15;
2252                 mem_tras = ((temp >> 12) & 0x1f) + 6;
2253                 if (mem_tras > 31)
2254                         mem_tras = 31;
2255         } else { /* RV200, R200 */
2256                 mem_trcd = (temp & 0x7) + 1;
2257                 mem_trp = ((temp >> 8) & 0x7) + 1;
2258                 mem_tras = ((temp >> 12) & 0xf) + 4;
2259         }
2260         /* convert to FF */
2261         trcd_ff.full = rfixed_const(mem_trcd);
2262         trp_ff.full = rfixed_const(mem_trp);
2263         tras_ff.full = rfixed_const(mem_tras);
2264
2265         /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
2266         temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2267         data = (temp & (7 << 20)) >> 20;
2268         if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
2269                 if (rdev->family == CHIP_RS480) /* don't think rs400 */
2270                         tcas_ff = memtcas_rs480_ff[data];
2271                 else
2272                         tcas_ff = memtcas_ff[data];
2273         } else
2274                 tcas_ff = memtcas2_ff[data];
2275
2276         if (rdev->family == CHIP_RS400 ||
2277             rdev->family == CHIP_RS480) {
2278                 /* extra cas latency stored in bits 23-25 0-4 clocks */
2279                 data = (temp >> 23) & 0x7;
2280                 if (data < 5)
2281                         tcas_ff.full += rfixed_const(data);
2282         }
2283
2284         if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
2285                 /* on the R300, Tcas is included in Trbs.
2286                  */
2287                 temp = RREG32(RADEON_MEM_CNTL);
2288                 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
2289                 if (data == 1) {
2290                         if (R300_MEM_USE_CD_CH_ONLY & temp) {
2291                                 temp = RREG32(R300_MC_IND_INDEX);
2292                                 temp &= ~R300_MC_IND_ADDR_MASK;
2293                                 temp |= R300_MC_READ_CNTL_CD_mcind;
2294                                 WREG32(R300_MC_IND_INDEX, temp);
2295                                 temp = RREG32(R300_MC_IND_DATA);
2296                                 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
2297                         } else {
2298                                 temp = RREG32(R300_MC_READ_CNTL_AB);
2299                                 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2300                         }
2301                 } else {
2302                         temp = RREG32(R300_MC_READ_CNTL_AB);
2303                         data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2304                 }
2305                 if (rdev->family == CHIP_RV410 ||
2306                     rdev->family == CHIP_R420 ||
2307                     rdev->family == CHIP_R423)
2308                         trbs_ff = memtrbs_r4xx[data];
2309                 else
2310                         trbs_ff = memtrbs[data];
2311                 tcas_ff.full += trbs_ff.full;
2312         }
2313
2314         sclk_eff_ff.full = sclk_ff.full;
2315
2316         if (rdev->flags & RADEON_IS_AGP) {
2317                 fixed20_12 agpmode_ff;
2318                 agpmode_ff.full = rfixed_const(radeon_agpmode);
2319                 temp_ff.full = rfixed_const_666(16);
2320                 sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
2321         }
2322         /* TODO PCIE lanes may affect this - agpmode == 16?? */
2323
2324         if (ASIC_IS_R300(rdev)) {
2325                 sclk_delay_ff.full = rfixed_const(250);
2326         } else {
2327                 if ((rdev->family == CHIP_RV100) ||
2328                     rdev->flags & RADEON_IS_IGP) {
2329                         if (rdev->mc.vram_is_ddr)
2330                                 sclk_delay_ff.full = rfixed_const(41);
2331                         else
2332                                 sclk_delay_ff.full = rfixed_const(33);
2333                 } else {
2334                         if (rdev->mc.vram_width == 128)
2335                                 sclk_delay_ff.full = rfixed_const(57);
2336                         else
2337                                 sclk_delay_ff.full = rfixed_const(41);
2338                 }
2339         }
2340
2341         mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
2342
2343         if (rdev->mc.vram_is_ddr) {
2344                 if (rdev->mc.vram_width == 32) {
2345                         k1.full = rfixed_const(40);
2346                         c  = 3;
2347                 } else {
2348                         k1.full = rfixed_const(20);
2349                         c  = 1;
2350                 }
2351         } else {
2352                 k1.full = rfixed_const(40);
2353                 c  = 3;
2354         }
2355
2356         temp_ff.full = rfixed_const(2);
2357         mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
2358         temp_ff.full = rfixed_const(c);
2359         mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
2360         temp_ff.full = rfixed_const(4);
2361         mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
2362         mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
2363         mc_latency_mclk.full += k1.full;
2364
2365         mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
2366         mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
2367
2368         /*
2369           HW cursor time assuming worst case of full size colour cursor.
2370         */
2371         temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
2372         temp_ff.full += trcd_ff.full;
2373         if (temp_ff.full < tras_ff.full)
2374                 temp_ff.full = tras_ff.full;
2375         cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
2376
2377         temp_ff.full = rfixed_const(cur_size);
2378         cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
2379         /*
2380           Find the total latency for the display data.
2381         */
2382         disp_latency_overhead.full = rfixed_const(8);
2383         disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
2384         mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
2385         mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
2386
2387         if (mc_latency_mclk.full > mc_latency_sclk.full)
2388                 disp_latency.full = mc_latency_mclk.full;
2389         else
2390                 disp_latency.full = mc_latency_sclk.full;
2391
2392         /* setup Max GRPH_STOP_REQ default value */
2393         if (ASIC_IS_RV100(rdev))
2394                 max_stop_req = 0x5c;
2395         else
2396                 max_stop_req = 0x7c;
2397
2398         if (mode1) {
2399                 /*  CRTC1
2400                     Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
2401                     GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
2402                 */
2403                 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
2404
2405                 if (stop_req > max_stop_req)
2406                         stop_req = max_stop_req;
2407
2408                 /*
2409                   Find the drain rate of the display buffer.
2410                 */
2411                 temp_ff.full = rfixed_const((16/pixel_bytes1));
2412                 disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
2413
2414                 /*
2415                   Find the critical point of the display buffer.
2416                 */
2417                 crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
2418                 crit_point_ff.full += rfixed_const_half(0);
2419
2420                 critical_point = rfixed_trunc(crit_point_ff);
2421
2422                 if (rdev->disp_priority == 2) {
2423                         critical_point = 0;
2424                 }
2425
2426                 /*
2427                   The critical point should never be above max_stop_req-4.  Setting
2428                   GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
2429                 */
2430                 if (max_stop_req - critical_point < 4)
2431                         critical_point = 0;
2432
2433                 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
2434                         /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
2435                         critical_point = 0x10;
2436                 }
2437
2438                 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
2439                 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
2440                 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2441                 temp &= ~(RADEON_GRPH_START_REQ_MASK);
2442                 if ((rdev->family == CHIP_R350) &&
2443                     (stop_req > 0x15)) {
2444                         stop_req -= 0x10;
2445                 }
2446                 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2447                 temp |= RADEON_GRPH_BUFFER_SIZE;
2448                 temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
2449                           RADEON_GRPH_CRITICAL_AT_SOF |
2450                           RADEON_GRPH_STOP_CNTL);
2451                 /*
2452                   Write the result into the register.
2453                 */
2454                 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2455                                                        (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2456
2457 #if 0
2458                 if ((rdev->family == CHIP_RS400) ||
2459                     (rdev->family == CHIP_RS480)) {
2460                         /* attempt to program RS400 disp regs correctly ??? */
2461                         temp = RREG32(RS400_DISP1_REG_CNTL);
2462                         temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
2463                                   RS400_DISP1_STOP_REQ_LEVEL_MASK);
2464                         WREG32(RS400_DISP1_REQ_CNTL1, (temp |
2465                                                        (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2466                                                        (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2467                         temp = RREG32(RS400_DMIF_MEM_CNTL1);
2468                         temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
2469                                   RS400_DISP1_CRITICAL_POINT_STOP_MASK);
2470                         WREG32(RS400_DMIF_MEM_CNTL1, (temp |
2471                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
2472                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
2473                 }
2474 #endif
2475
2476                 DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n",
2477                           /*      (unsigned int)info->SavedReg->grph_buffer_cntl, */
2478                           (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
2479         }
2480
2481         if (mode2) {
2482                 u32 grph2_cntl;
2483                 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
2484
2485                 if (stop_req > max_stop_req)
2486                         stop_req = max_stop_req;
2487
2488                 /*
2489                   Find the drain rate of the display buffer.
2490                 */
2491                 temp_ff.full = rfixed_const((16/pixel_bytes2));
2492                 disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
2493
2494                 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
2495                 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
2496                 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2497                 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
2498                 if ((rdev->family == CHIP_R350) &&
2499                     (stop_req > 0x15)) {
2500                         stop_req -= 0x10;
2501                 }
2502                 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2503                 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
2504                 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
2505                           RADEON_GRPH_CRITICAL_AT_SOF |
2506                           RADEON_GRPH_STOP_CNTL);
2507
2508                 if ((rdev->family == CHIP_RS100) ||
2509                     (rdev->family == CHIP_RS200))
2510                         critical_point2 = 0;
2511                 else {
2512                         temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
2513                         temp_ff.full = rfixed_const(temp);
2514                         temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
2515                         if (sclk_ff.full < temp_ff.full)
2516                                 temp_ff.full = sclk_ff.full;
2517
2518                         read_return_rate.full = temp_ff.full;
2519
2520                         if (mode1) {
2521                                 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
2522                                 time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
2523                         } else {
2524                                 time_disp1_drop_priority.full = 0;
2525                         }
2526                         crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
2527                         crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
2528                         crit_point_ff.full += rfixed_const_half(0);
2529
2530                         critical_point2 = rfixed_trunc(crit_point_ff);
2531
2532                         if (rdev->disp_priority == 2) {
2533                                 critical_point2 = 0;
2534                         }
2535
2536                         if (max_stop_req - critical_point2 < 4)
2537                                 critical_point2 = 0;
2538
2539                 }
2540
2541                 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
2542                         /* some R300 cards have problem with this set to 0 */
2543                         critical_point2 = 0x10;
2544                 }
2545
2546                 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2547                                                   (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2548
2549                 if ((rdev->family == CHIP_RS400) ||
2550                     (rdev->family == CHIP_RS480)) {
2551 #if 0
2552                         /* attempt to program RS400 disp2 regs correctly ??? */
2553                         temp = RREG32(RS400_DISP2_REQ_CNTL1);
2554                         temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
2555                                   RS400_DISP2_STOP_REQ_LEVEL_MASK);
2556                         WREG32(RS400_DISP2_REQ_CNTL1, (temp |
2557                                                        (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2558                                                        (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2559                         temp = RREG32(RS400_DISP2_REQ_CNTL2);
2560                         temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
2561                                   RS400_DISP2_CRITICAL_POINT_STOP_MASK);
2562                         WREG32(RS400_DISP2_REQ_CNTL2, (temp |
2563                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
2564                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
2565 #endif
2566                         WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
2567                         WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
2568                         WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
2569                         WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
2570                 }
2571
2572                 DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n",
2573                           (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
2574         }
2575 }
2576
2577 static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2578 {
2579         DRM_ERROR("pitch                      %d\n", t->pitch);
2580         DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
2581         DRM_ERROR("width                      %d\n", t->width);
2582         DRM_ERROR("width_11                   %d\n", t->width_11);
2583         DRM_ERROR("height                     %d\n", t->height);
2584         DRM_ERROR("height_11                  %d\n", t->height_11);
2585         DRM_ERROR("num levels                 %d\n", t->num_levels);
2586         DRM_ERROR("depth                      %d\n", t->txdepth);
2587         DRM_ERROR("bpp                        %d\n", t->cpp);
2588         DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
2589         DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
2590         DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2591 }
2592
2593 static int r100_cs_track_cube(struct radeon_device *rdev,
2594                               struct r100_cs_track *track, unsigned idx)
2595 {
2596         unsigned face, w, h;
2597         struct radeon_object *cube_robj;
2598         unsigned long size;
2599
2600         for (face = 0; face < 5; face++) {
2601                 cube_robj = track->textures[idx].cube_info[face].robj;
2602                 w = track->textures[idx].cube_info[face].width;
2603                 h = track->textures[idx].cube_info[face].height;
2604
2605                 size = w * h;
2606                 size *= track->textures[idx].cpp;
2607
2608                 size += track->textures[idx].cube_info[face].offset;
2609
2610                 if (size > radeon_object_size(cube_robj)) {
2611                         DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2612                                   size, radeon_object_size(cube_robj));
2613                         r100_cs_track_texture_print(&track->textures[idx]);
2614                         return -1;
2615                 }
2616         }
2617         return 0;
2618 }
2619
2620 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2621                                        struct r100_cs_track *track)
2622 {
2623         struct radeon_object *robj;
2624         unsigned long size;
2625         unsigned u, i, w, h;
2626         int ret;
2627
2628         for (u = 0; u < track->num_texture; u++) {
2629                 if (!track->textures[u].enabled)
2630                         continue;
2631                 robj = track->textures[u].robj;
2632                 if (robj == NULL) {
2633                         DRM_ERROR("No texture bound to unit %u\n", u);
2634                         return -EINVAL;
2635                 }
2636                 size = 0;
2637                 for (i = 0; i <= track->textures[u].num_levels; i++) {
2638                         if (track->textures[u].use_pitch) {
2639                                 if (rdev->family < CHIP_R300)
2640                                         w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2641                                 else
2642                                         w = track->textures[u].pitch / (1 << i);
2643                         } else {
2644                                 w = track->textures[u].width;
2645                                 if (rdev->family >= CHIP_RV515)
2646                                         w |= track->textures[u].width_11;
2647                                 w = w / (1 << i);
2648                                 if (track->textures[u].roundup_w)
2649                                         w = roundup_pow_of_two(w);
2650                         }
2651                         h = track->textures[u].height;
2652                         if (rdev->family >= CHIP_RV515)
2653                                 h |= track->textures[u].height_11;
2654                         h = h / (1 << i);
2655                         if (track->textures[u].roundup_h)
2656                                 h = roundup_pow_of_two(h);
2657                         size += w * h;
2658                 }
2659                 size *= track->textures[u].cpp;
2660                 switch (track->textures[u].tex_coord_type) {
2661                 case 0:
2662                         break;
2663                 case 1:
2664                         size *= (1 << track->textures[u].txdepth);
2665                         break;
2666                 case 2:
2667                         if (track->separate_cube) {
2668                                 ret = r100_cs_track_cube(rdev, track, u);
2669                                 if (ret)
2670                                         return ret;
2671                         } else
2672                                 size *= 6;
2673                         break;
2674                 default:
2675                         DRM_ERROR("Invalid texture coordinate type %u for unit "
2676                                   "%u\n", track->textures[u].tex_coord_type, u);
2677                         return -EINVAL;
2678                 }
2679                 if (size > radeon_object_size(robj)) {
2680                         DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2681                                   "%lu\n", u, size, radeon_object_size(robj));
2682                         r100_cs_track_texture_print(&track->textures[u]);
2683                         return -EINVAL;
2684                 }
2685         }
2686         return 0;
2687 }
2688
2689 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2690 {
2691         unsigned i;
2692         unsigned long size;
2693         unsigned prim_walk;
2694         unsigned nverts;
2695
2696         for (i = 0; i < track->num_cb; i++) {
2697                 if (track->cb[i].robj == NULL) {
2698                         DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2699                         return -EINVAL;
2700                 }
2701                 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2702                 size += track->cb[i].offset;
2703                 if (size > radeon_object_size(track->cb[i].robj)) {
2704                         DRM_ERROR("[drm] Buffer too small for color buffer %d "
2705                                   "(need %lu have %lu) !\n", i, size,
2706                                   radeon_object_size(track->cb[i].robj));
2707                         DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2708                                   i, track->cb[i].pitch, track->cb[i].cpp,
2709                                   track->cb[i].offset, track->maxy);
2710                         return -EINVAL;
2711                 }
2712         }
2713         if (track->z_enabled) {
2714                 if (track->zb.robj == NULL) {
2715                         DRM_ERROR("[drm] No buffer for z buffer !\n");
2716                         return -EINVAL;
2717                 }
2718                 size = track->zb.pitch * track->zb.cpp * track->maxy;
2719                 size += track->zb.offset;
2720                 if (size > radeon_object_size(track->zb.robj)) {
2721                         DRM_ERROR("[drm] Buffer too small for z buffer "
2722                                   "(need %lu have %lu) !\n", size,
2723                                   radeon_object_size(track->zb.robj));
2724                         DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2725                                   track->zb.pitch, track->zb.cpp,
2726                                   track->zb.offset, track->maxy);
2727                         return -EINVAL;
2728                 }
2729         }
2730         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2731         nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2732         switch (prim_walk) {
2733         case 1:
2734                 for (i = 0; i < track->num_arrays; i++) {
2735                         size = track->arrays[i].esize * track->max_indx * 4;
2736                         if (track->arrays[i].robj == NULL) {
2737                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2738                                           "bound\n", prim_walk, i);
2739                                 return -EINVAL;
2740                         }
2741                         if (size > radeon_object_size(track->arrays[i].robj)) {
2742                                 DRM_ERROR("(PW %u) Vertex array %u need %lu dwords "
2743                                            "have %lu dwords\n", prim_walk, i,
2744                                            size >> 2,
2745                                            radeon_object_size(track->arrays[i].robj) >> 2);
2746                                 DRM_ERROR("Max indices %u\n", track->max_indx);
2747                                 return -EINVAL;
2748                         }
2749                 }
2750                 break;
2751         case 2:
2752                 for (i = 0; i < track->num_arrays; i++) {
2753                         size = track->arrays[i].esize * (nverts - 1) * 4;
2754                         if (track->arrays[i].robj == NULL) {
2755                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2756                                           "bound\n", prim_walk, i);
2757                                 return -EINVAL;
2758                         }
2759                         if (size > radeon_object_size(track->arrays[i].robj)) {
2760                                 DRM_ERROR("(PW %u) Vertex array %u need %lu dwords "
2761                                            "have %lu dwords\n", prim_walk, i, size >> 2,
2762                                            radeon_object_size(track->arrays[i].robj) >> 2);
2763                                 return -EINVAL;
2764                         }
2765                 }
2766                 break;
2767         case 3:
2768                 size = track->vtx_size * nverts;
2769                 if (size != track->immd_dwords) {
2770                         DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2771                                   track->immd_dwords, size);
2772                         DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2773                                   nverts, track->vtx_size);
2774                         return -EINVAL;
2775                 }
2776                 break;
2777         default:
2778                 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2779                           prim_walk);
2780                 return -EINVAL;
2781         }
2782         return r100_cs_track_texture_check(rdev, track);
2783 }
2784
2785 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2786 {
2787         unsigned i, face;
2788
2789         if (rdev->family < CHIP_R300) {
2790                 track->num_cb = 1;
2791                 if (rdev->family <= CHIP_RS200)
2792                         track->num_texture = 3;
2793                 else
2794                         track->num_texture = 6;
2795                 track->maxy = 2048;
2796                 track->separate_cube = 1;
2797         } else {
2798                 track->num_cb = 4;
2799                 track->num_texture = 16;
2800                 track->maxy = 4096;
2801                 track->separate_cube = 0;
2802         }
2803
2804         for (i = 0; i < track->num_cb; i++) {
2805                 track->cb[i].robj = NULL;
2806                 track->cb[i].pitch = 8192;
2807                 track->cb[i].cpp = 16;
2808                 track->cb[i].offset = 0;
2809         }
2810         track->z_enabled = true;
2811         track->zb.robj = NULL;
2812         track->zb.pitch = 8192;
2813         track->zb.cpp = 4;
2814         track->zb.offset = 0;
2815         track->vtx_size = 0x7F;
2816         track->immd_dwords = 0xFFFFFFFFUL;
2817         track->num_arrays = 11;
2818         track->max_indx = 0x00FFFFFFUL;
2819         for (i = 0; i < track->num_arrays; i++) {
2820                 track->arrays[i].robj = NULL;
2821                 track->arrays[i].esize = 0x7F;
2822         }
2823         for (i = 0; i < track->num_texture; i++) {
2824                 track->textures[i].pitch = 16536;
2825                 track->textures[i].width = 16536;
2826                 track->textures[i].height = 16536;
2827                 track->textures[i].width_11 = 1 << 11;
2828                 track->textures[i].height_11 = 1 << 11;
2829                 track->textures[i].num_levels = 12;
2830                 if (rdev->family <= CHIP_RS200) {
2831                         track->textures[i].tex_coord_type = 0;
2832                         track->textures[i].txdepth = 0;
2833                 } else {
2834                         track->textures[i].txdepth = 16;
2835                         track->textures[i].tex_coord_type = 1;
2836                 }
2837                 track->textures[i].cpp = 64;
2838                 track->textures[i].robj = NULL;
2839                 /* CS IB emission code makes sure texture unit are disabled */
2840                 track->textures[i].enabled = false;
2841                 track->textures[i].roundup_w = true;
2842                 track->textures[i].roundup_h = true;
2843                 if (track->separate_cube)
2844                         for (face = 0; face < 5; face++) {
2845                                 track->textures[i].cube_info[face].robj = NULL;
2846                                 track->textures[i].cube_info[face].width = 16536;
2847                                 track->textures[i].cube_info[face].height = 16536;
2848                                 track->textures[i].cube_info[face].offset = 0;
2849                         }
2850         }
2851 }
2852
2853 int r100_ring_test(struct radeon_device *rdev)
2854 {
2855         uint32_t scratch;
2856         uint32_t tmp = 0;
2857         unsigned i;
2858         int r;
2859
2860         r = radeon_scratch_get(rdev, &scratch);
2861         if (r) {
2862                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2863                 return r;
2864         }
2865         WREG32(scratch, 0xCAFEDEAD);
2866         r = radeon_ring_lock(rdev, 2);
2867         if (r) {
2868                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2869                 radeon_scratch_free(rdev, scratch);
2870                 return r;
2871         }
2872         radeon_ring_write(rdev, PACKET0(scratch, 0));
2873         radeon_ring_write(rdev, 0xDEADBEEF);
2874         radeon_ring_unlock_commit(rdev);
2875         for (i = 0; i < rdev->usec_timeout; i++) {
2876                 tmp = RREG32(scratch);
2877                 if (tmp == 0xDEADBEEF) {
2878                         break;
2879                 }
2880                 DRM_UDELAY(1);
2881         }
2882         if (i < rdev->usec_timeout) {
2883                 DRM_INFO("ring test succeeded in %d usecs\n", i);
2884         } else {
2885                 DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
2886                           scratch, tmp);
2887                 r = -EINVAL;
2888         }
2889         radeon_scratch_free(rdev, scratch);
2890         return r;
2891 }
2892
2893 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2894 {
2895         radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
2896         radeon_ring_write(rdev, ib->gpu_addr);
2897         radeon_ring_write(rdev, ib->length_dw);
2898 }
2899
2900 int r100_ib_test(struct radeon_device *rdev)
2901 {
2902         struct radeon_ib *ib;
2903         uint32_t scratch;
2904         uint32_t tmp = 0;
2905         unsigned i;
2906         int r;
2907
2908         r = radeon_scratch_get(rdev, &scratch);
2909         if (r) {
2910                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
2911                 return r;
2912         }
2913         WREG32(scratch, 0xCAFEDEAD);
2914         r = radeon_ib_get(rdev, &ib);
2915         if (r) {
2916                 return r;
2917         }
2918         ib->ptr[0] = PACKET0(scratch, 0);
2919         ib->ptr[1] = 0xDEADBEEF;
2920         ib->ptr[2] = PACKET2(0);
2921         ib->ptr[3] = PACKET2(0);
2922         ib->ptr[4] = PACKET2(0);
2923         ib->ptr[5] = PACKET2(0);
2924         ib->ptr[6] = PACKET2(0);
2925         ib->ptr[7] = PACKET2(0);
2926         ib->length_dw = 8;
2927         r = radeon_ib_schedule(rdev, ib);
2928         if (r) {
2929                 radeon_scratch_free(rdev, scratch);
2930                 radeon_ib_free(rdev, &ib);
2931                 return r;
2932         }
2933         r = radeon_fence_wait(ib->fence, false);
2934         if (r) {
2935                 return r;
2936         }
2937         for (i = 0; i < rdev->usec_timeout; i++) {
2938                 tmp = RREG32(scratch);
2939                 if (tmp == 0xDEADBEEF) {
2940                         break;
2941                 }
2942                 DRM_UDELAY(1);
2943         }
2944         if (i < rdev->usec_timeout) {
2945                 DRM_INFO("ib test succeeded in %u usecs\n", i);
2946         } else {
2947                 DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n",
2948                           scratch, tmp);
2949                 r = -EINVAL;
2950         }
2951         radeon_scratch_free(rdev, scratch);
2952         radeon_ib_free(rdev, &ib);
2953         return r;
2954 }
2955
2956 void r100_ib_fini(struct radeon_device *rdev)
2957 {
2958         radeon_ib_pool_fini(rdev);
2959 }
2960
2961 int r100_ib_init(struct radeon_device *rdev)
2962 {
2963         int r;
2964
2965         r = radeon_ib_pool_init(rdev);
2966         if (r) {
2967                 dev_err(rdev->dev, "failled initializing IB pool (%d).\n", r);
2968                 r100_ib_fini(rdev);
2969                 return r;
2970         }
2971         r = r100_ib_test(rdev);
2972         if (r) {
2973                 dev_err(rdev->dev, "failled testing IB (%d).\n", r);
2974                 r100_ib_fini(rdev);
2975                 return r;
2976         }
2977         return 0;
2978 }
2979
2980 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
2981 {
2982         /* Shutdown CP we shouldn't need to do that but better be safe than
2983          * sorry
2984          */
2985         rdev->cp.ready = false;
2986         WREG32(R_000740_CP_CSQ_CNTL, 0);
2987
2988         /* Save few CRTC registers */
2989         save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
2990         save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
2991         save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
2992         save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
2993         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2994                 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
2995                 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
2996         }
2997
2998         /* Disable VGA aperture access */
2999         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3000         /* Disable cursor, overlay, crtc */
3001         WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3002         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3003                                         S_000054_CRTC_DISPLAY_DIS(1));
3004         WREG32(R_000050_CRTC_GEN_CNTL,
3005                         (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3006                         S_000050_CRTC_DISP_REQ_EN_B(1));
3007         WREG32(R_000420_OV0_SCALE_CNTL,
3008                 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3009         WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3010         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3011                 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3012                                                 S_000360_CUR2_LOCK(1));
3013                 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3014                         (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3015                         S_0003F8_CRTC2_DISPLAY_DIS(1) |
3016                         S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3017                 WREG32(R_000360_CUR2_OFFSET,
3018                         C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3019         }
3020 }
3021
3022 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3023 {
3024         /* Update base address for crtc */
3025         WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_location);
3026         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3027                 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR,
3028                                 rdev->mc.vram_location);
3029         }
3030         /* Restore CRTC registers */
3031         WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3032         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3033         WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3034         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3035                 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3036         }
3037 }
3038
3039 void r100_vga_render_disable(struct radeon_device *rdev)
3040 {
3041         u32 tmp;
3042
3043         tmp = RREG8(R_0003C2_GENMO_WT);
3044         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3045 }
3046
3047 static void r100_debugfs(struct radeon_device *rdev)
3048 {
3049         int r;
3050
3051         r = r100_debugfs_mc_info_init(rdev);
3052         if (r)
3053                 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3054 }
3055
3056 static void r100_mc_program(struct radeon_device *rdev)
3057 {
3058         struct r100_mc_save save;
3059
3060         /* Stops all mc clients */
3061         r100_mc_stop(rdev, &save);
3062         if (rdev->flags & RADEON_IS_AGP) {
3063                 WREG32(R_00014C_MC_AGP_LOCATION,
3064                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3065                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3066                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3067                 if (rdev->family > CHIP_RV200)
3068                         WREG32(R_00015C_AGP_BASE_2,
3069                                 upper_32_bits(rdev->mc.agp_base) & 0xff);
3070         } else {
3071                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3072                 WREG32(R_000170_AGP_BASE, 0);
3073                 if (rdev->family > CHIP_RV200)
3074                         WREG32(R_00015C_AGP_BASE_2, 0);
3075         }
3076         /* Wait for mc idle */
3077         if (r100_mc_wait_for_idle(rdev))
3078                 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3079         /* Program MC, should be a 32bits limited address space */
3080         WREG32(R_000148_MC_FB_LOCATION,
3081                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3082                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3083         r100_mc_resume(rdev, &save);
3084 }
3085
3086 void r100_clock_startup(struct radeon_device *rdev)
3087 {
3088         u32 tmp;
3089
3090         if (radeon_dynclks != -1 && radeon_dynclks)
3091                 radeon_legacy_set_clock_gating(rdev, 1);
3092         /* We need to force on some of the block */
3093         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3094         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3095      &nbs