?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / gpu / drm / radeon / r100.c
blob333cde9d4e7b7621ab1713ee54e1a418017d7786
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #include <linux/seq_file.h>
29 #include <linux/slab.h>
30 #include "drmP.h"
31 #include "drm.h"
32 #include "radeon_drm.h"
33 #include "radeon_reg.h"
34 #include "radeon.h"
35 #include "radeon_asic.h"
36 #include "r100d.h"
37 #include "rs100d.h"
38 #include "rv200d.h"
39 #include "rv250d.h"
40 #include "atom.h"
41
42 #include <linux/firmware.h>
43 #include <linux/platform_device.h>
44 #include <linux/module.h>
45
46 #include "r100_reg_safe.h"
47 #include "rn50_reg_safe.h"
48
49 /* Firmware Names */
50 #define FIRMWARE_R100 "radeon/R100_cp.bin"
51 #define FIRMWARE_R200 "radeon/R200_cp.bin"
52 #define FIRMWARE_R300 "radeon/R300_cp.bin"
53 #define FIRMWARE_R420 "radeon/R420_cp.bin"
54 #define FIRMWARE_RS690 "radeon/RS690_cp.bin"
55 #define FIRMWARE_RS600 "radeon/RS600_cp.bin"
56 #define FIRMWARE_R520 "radeon/R520_cp.bin"
57
58 MODULE_FIRMWARE(FIRMWARE_R100);
59 MODULE_FIRMWARE(FIRMWARE_R200);
60 MODULE_FIRMWARE(FIRMWARE_R300);
61 MODULE_FIRMWARE(FIRMWARE_R420);
62 MODULE_FIRMWARE(FIRMWARE_RS690);
63 MODULE_FIRMWARE(FIRMWARE_RS600);
64 MODULE_FIRMWARE(FIRMWARE_R520);
65
66 #include "r100_track.h"
67
68 /* This files gather functions specifics to:
69 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
70 */
71
72 int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
73 struct radeon_cs_packet *pkt,
74 unsigned idx,
75 unsigned reg)
76 {
77 int r;
78 u32 tile_flags = 0;
79 u32 tmp;
80 struct radeon_cs_reloc *reloc;
81 u32 value;
82
83 r = r100_cs_packet_next_reloc(p, &reloc);
84 if (r) {
85 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
86 idx, reg);
87 r100_cs_dump_packet(p, pkt);
88 return r;
89 }
90 value = radeon_get_ib_value(p, idx);
91 tmp = value & 0x003fffff;
92 tmp += (((u32)reloc->lobj.gpu_offset) >> 10);
93
94 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
95 tile_flags |= RADEON_DST_TILE_MACRO;
96 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
97 if (reg == RADEON_SRC_PITCH_OFFSET) {
98 DRM_ERROR("Cannot src blit from microtiled surface\n");
99 r100_cs_dump_packet(p, pkt);
100 return -EINVAL;
101 }
102 tile_flags |= RADEON_DST_TILE_MICRO;
103 }
104
105 tmp |= tile_flags;
106 p->ib->ptr[idx] = (value & 0x3fc00000) | tmp;
107 return 0;
108 }
109
110 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
111 struct radeon_cs_packet *pkt,
112 int idx)
113 {
114 unsigned c, i;
115 struct radeon_cs_reloc *reloc;
116 struct r100_cs_track *track;
117 int r = 0;
118 volatile uint32_t *ib;
119 u32 idx_value;
120
121 ib = p->ib->ptr;
122 track = (struct r100_cs_track *)p->track;
123 c = radeon_get_ib_value(p, idx++) & 0x1F;
124 if (c > 16) {
125 DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
126 pkt->opcode);
127 r100_cs_dump_packet(p, pkt);
128 return -EINVAL;
129 }
130 track->num_arrays = c;
131 for (i = 0; i < (c - 1); i+=2, idx+=3) {
132 r = r100_cs_packet_next_reloc(p, &reloc);
133 if (r) {
134 DRM_ERROR("No reloc for packet3 %d\n",
135 pkt->opcode);
136 r100_cs_dump_packet(p, pkt);
137 return r;
138 }
139 idx_value = radeon_get_ib_value(p, idx);
140 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
141
142 track->arrays[i + 0].esize = idx_value >> 8;
143 track->arrays[i + 0].robj = reloc->robj;
144 track->arrays[i + 0].esize &= 0x7F;
145 r = r100_cs_packet_next_reloc(p, &reloc);
146 if (r) {
147 DRM_ERROR("No reloc for packet3 %d\n",
148 pkt->opcode);
149 r100_cs_dump_packet(p, pkt);
150 return r;
151 }
152 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->lobj.gpu_offset);
153 track->arrays[i + 1].robj = reloc->robj;
154 track->arrays[i + 1].esize = idx_value >> 24;
155 track->arrays[i + 1].esize &= 0x7F;
156 }
157 if (c & 1) {
158 r = r100_cs_packet_next_reloc(p, &reloc);
159 if (r) {
160 DRM_ERROR("No reloc for packet3 %d\n",
161 pkt->opcode);
162 r100_cs_dump_packet(p, pkt);
163 return r;
164 }
165 idx_value = radeon_get_ib_value(p, idx);
166 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
167 track->arrays[i + 0].robj = reloc->robj;
168 track->arrays[i + 0].esize = idx_value >> 8;
169 track->arrays[i + 0].esize &= 0x7F;
170 }
171 return r;
172 }
173
174 void r100_pre_page_flip(struct radeon_device *rdev, int crtc)
175 {
176 /* enable the pflip int */
177 radeon_irq_kms_pflip_irq_get(rdev, crtc);
178 }
179
180 void r100_post_page_flip(struct radeon_device *rdev, int crtc)
181 {
182 /* disable the pflip int */
183 radeon_irq_kms_pflip_irq_put(rdev, crtc);
184 }
185
186 u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
187 {
188 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
189 u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
190 int i;
191
192 /* Lock the graphics update lock */
193 /* update the scanout addresses */
194 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
195
196 /* Wait for update_pending to go high. */
197 for (i = 0; i < rdev->usec_timeout; i++) {
198 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
199 break;
200 udelay(1);
201 }
202 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
203
204 /* Unlock the lock, so double-buffering can take place inside vblank */
205 tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
206 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
207
208 /* Return current update_pending status: */
209 return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET;
210 }
211
212 void r100_pm_get_dynpm_state(struct radeon_device *rdev)
213 {
214 int i;
215 rdev->pm.dynpm_can_upclock = true;
216 rdev->pm.dynpm_can_downclock = true;
217
218 switch (rdev->pm.dynpm_planned_action) {
219 case DYNPM_ACTION_MINIMUM:
220 rdev->pm.requested_power_state_index = 0;
221 rdev->pm.dynpm_can_downclock = false;
222 break;
223 case DYNPM_ACTION_DOWNCLOCK:
224 if (rdev->pm.current_power_state_index == 0) {
225 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
226 rdev->pm.dynpm_can_downclock = false;
227 } else {
228 if (rdev->pm.active_crtc_count > 1) {
229 for (i = 0; i < rdev->pm.num_power_states; i++) {
230 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
231 continue;
232 else if (i >= rdev->pm.current_power_state_index) {
233 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
234 break;
235 } else {
236 rdev->pm.requested_power_state_index = i;
237 break;
238 }
239 }
240 } else
241 rdev->pm.requested_power_state_index =
242 rdev->pm.current_power_state_index - 1;
243 }
244 /* don't use the power state if crtcs are active and no display flag is set */
245 if ((rdev->pm.active_crtc_count > 0) &&
246 (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
247 RADEON_PM_MODE_NO_DISPLAY)) {
248 rdev->pm.requested_power_state_index++;
249 }
250 break;
251 case DYNPM_ACTION_UPCLOCK:
252 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
253 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
254 rdev->pm.dynpm_can_upclock = false;
255 } else {
256 if (rdev->pm.active_crtc_count > 1) {
257 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
258 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
259 continue;
260 else if (i <= rdev->pm.current_power_state_index) {
261 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
262 break;
263 } else {
264 rdev->pm.requested_power_state_index = i;
265 break;
266 }
267 }
268 } else
269 rdev->pm.requested_power_state_index =
270 rdev->pm.current_power_state_index + 1;
271 }
272 break;
273 case DYNPM_ACTION_DEFAULT:
274 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
275 rdev->pm.dynpm_can_upclock = false;
276 break;
277 case DYNPM_ACTION_NONE:
278 default:
279 DRM_ERROR("Requested mode for not defined action\n");
280 return;
281 }
282 /* only one clock mode per power state */
283 rdev->pm.requested_clock_mode_index = 0;
284
285 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
286 rdev->pm.power_state[rdev->pm.requested_power_state_index].
287 clock_info[rdev->pm.requested_clock_mode_index].sclk,
288 rdev->pm.power_state[rdev->pm.requested_power_state_index].
289 clock_info[rdev->pm.requested_clock_mode_index].mclk,
290 rdev->pm.power_state[rdev->pm.requested_power_state_index].
291 pcie_lanes);
292 }
293
294 void r100_pm_init_profile(struct radeon_device *rdev)
295 {
296 /* default */
297 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
298 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
299 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
300 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
301 /* low sh */
302 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
303 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
304 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
305 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
306 /* mid sh */
307 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
308 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
309 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
310 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
311 /* high sh */
312 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
313 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
314 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
315 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
316 /* low mh */
317 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
318 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
319 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
320 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
321 /* mid mh */
322 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
323 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
324 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
325 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
326 /* high mh */
327 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
328 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
329 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
330 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
331 }
332
333 void r100_pm_misc(struct radeon_device *rdev)
334 {
335 int requested_index = rdev->pm.requested_power_state_index;
336 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
337 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
338 u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
339
340 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
341 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
342 tmp = RREG32(voltage->gpio.reg);
343 if (voltage->active_high)
344 tmp |= voltage->gpio.mask;
345 else
346 tmp &= ~(voltage->gpio.mask);
347 WREG32(voltage->gpio.reg, tmp);
348 if (voltage->delay)
349 udelay(voltage->delay);
350 } else {
351 tmp = RREG32(voltage->gpio.reg);
352 if (voltage->active_high)
353 tmp &= ~voltage->gpio.mask;
354 else
355 tmp |= voltage->gpio.mask;
356 WREG32(voltage->gpio.reg, tmp);
357 if (voltage->delay)
358 udelay(voltage->delay);
359 }
360 }
361
362 sclk_cntl = RREG32_PLL(SCLK_CNTL);
363 sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
364 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
365 sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
366 sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
367 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
368 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
369 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
370 sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
371 else
372 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
373 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
374 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
375 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
376 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
377 } else
378 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
379
380 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
381 sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
382 if (voltage->delay) {
383 sclk_more_cntl |= VOLTAGE_DROP_SYNC;
384 switch (voltage->delay) {
385 case 33:
386 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
387 break;
388 case 66:
389 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
390 break;
391 case 99:
392 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
393 break;
394 case 132:
395 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
396 break;
397 }
398 } else
399 sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
400 } else
401 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
402
403 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
404 sclk_cntl &= ~FORCE_HDP;
405 else
406 sclk_cntl |= FORCE_HDP;
407
408 WREG32_PLL(SCLK_CNTL, sclk_cntl);
409 WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
410 WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
411
412 /* set pcie lanes */
413 if ((rdev->flags & RADEON_IS_PCIE) &&
414 !(rdev->flags & RADEON_IS_IGP) &&
415 rdev->asic->set_pcie_lanes &&
416 (ps->pcie_lanes !=
417 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
418 radeon_set_pcie_lanes(rdev,
419 ps->pcie_lanes);
420 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
421 }
422 }
423
424 void r100_pm_prepare(struct radeon_device *rdev)
425 {
426 struct drm_device *ddev = rdev->ddev;
427 struct drm_crtc *crtc;
428 struct radeon_crtc *radeon_crtc;
429 u32 tmp;
430
431 /* disable any active CRTCs */
432 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
433 radeon_crtc = to_radeon_crtc(crtc);
434 if (radeon_crtc->enabled) {
435 if (radeon_crtc->crtc_id) {
436 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
437 tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
438 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
439 } else {
440 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
441 tmp |= RADEON_CRTC_DISP_REQ_EN_B;
442 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
443 }
444 }
445 }
446 }
447
448 void r100_pm_finish(struct radeon_device *rdev)
449 {
450 struct drm_device *ddev = rdev->ddev;
451 struct drm_crtc *crtc;
452 struct radeon_crtc *radeon_crtc;
453 u32 tmp;
454
455 /* enable any active CRTCs */
456 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
457 radeon_crtc = to_radeon_crtc(crtc);
458 if (radeon_crtc->enabled) {
459 if (radeon_crtc->crtc_id) {
460 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
461 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
462 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
463 } else {
464 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
465 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
466 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
467 }
468 }
469 }
470 }
471
472 bool r100_gui_idle(struct radeon_device *rdev)
473 {
474 if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
475 return false;
476 else
477 return true;
478 }
479
480 /* hpd for digital panel detect/disconnect */
481 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
482 {
483 bool connected = false;
484
485 switch (hpd) {
486 case RADEON_HPD_1:
487 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
488 connected = true;
489 break;
490 case RADEON_HPD_2:
491 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
492 connected = true;
493 break;
494 default:
495 break;
496 }
497 return connected;
498 }
499
500 void r100_hpd_set_polarity(struct radeon_device *rdev,
501 enum radeon_hpd_id hpd)
502 {
503 u32 tmp;
504 bool connected = r100_hpd_sense(rdev, hpd);
505
506 switch (hpd) {
507 case RADEON_HPD_1:
508 tmp = RREG32(RADEON_FP_GEN_CNTL);
509 if (connected)
510 tmp &= ~RADEON_FP_DETECT_INT_POL;
511 else
512 tmp |= RADEON_FP_DETECT_INT_POL;
513 WREG32(RADEON_FP_GEN_CNTL, tmp);
514 break;
515 case RADEON_HPD_2:
516 tmp = RREG32(RADEON_FP2_GEN_CNTL);
517 if (connected)
518 tmp &= ~RADEON_FP2_DETECT_INT_POL;
519 else
520 tmp |= RADEON_FP2_DETECT_INT_POL;
521 WREG32(RADEON_FP2_GEN_CNTL, tmp);
522 break;
523 default:
524 break;
525 }
526 }
527
528 void r100_hpd_init(struct radeon_device *rdev)
529 {
530 struct drm_device *dev = rdev->ddev;
531 struct drm_connector *connector;
532
533 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
534 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
535 switch (radeon_connector->hpd.hpd) {
536 case RADEON_HPD_1:
537 rdev->irq.hpd[0] = true;
538 break;
539 case RADEON_HPD_2:
540 rdev->irq.hpd[1] = true;
541 break;
542 default:
543 break;
544 }
545 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
546 }
547 if (rdev->irq.installed)
548 r100_irq_set(rdev);
549 }
550
551 void r100_hpd_fini(struct radeon_device *rdev)
552 {
553 struct drm_device *dev = rdev->ddev;
554 struct drm_connector *connector;
555
556 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
557 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
558 switch (radeon_connector->hpd.hpd) {
559 case RADEON_HPD_1:
560 rdev->irq.hpd[0] = false;
561 break;
562 case RADEON_HPD_2:
563 rdev->irq.hpd[1] = false;
564 break;
565 default:
566 break;
567 }
568 }
569 }
570
571 /*
572 * PCI GART
573 */
574 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
575 {
576 /* TODO: can we do somethings here ? */
577 /* It seems hw only cache one entry so we should discard this
578 * entry otherwise if first GPU GART read hit this entry it
579 * could end up in wrong address. */
580 }
581
582 int r100_pci_gart_init(struct radeon_device *rdev)
583 {
584 int r;
585
586 if (rdev->gart.ptr) {
587 WARN(1, "R100 PCI GART already initialized\n");
588 return 0;
589 }
590 /* Initialize common gart structure */
591 r = radeon_gart_init(rdev);
592 if (r)
593 return r;
594 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
595 rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
596 rdev->asic->gart_set_page = &r100_pci_gart_set_page;
597 return radeon_gart_table_ram_alloc(rdev);
598 }
599
600 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
601 void r100_enable_bm(struct radeon_device *rdev)
602 {
603 uint32_t tmp;
604 /* Enable bus mastering */
605 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
606 WREG32(RADEON_BUS_CNTL, tmp);
607 }
608
609 int r100_pci_gart_enable(struct radeon_device *rdev)
610 {
611 uint32_t tmp;
612
613 radeon_gart_restore(rdev);
614 /* discard memory request outside of configured range */
615 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
616 WREG32(RADEON_AIC_CNTL, tmp);
617 /* set address range for PCI address translate */
618 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
619 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
620 /* set PCI GART page-table base address */
621 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
622 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
623 WREG32(RADEON_AIC_CNTL, tmp);
624 r100_pci_gart_tlb_flush(rdev);
625 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
626 (unsigned)(rdev->mc.gtt_size >> 20),
627 (unsigned long long)rdev->gart.table_addr);
628 rdev->gart.ready = true;
629 return 0;
630 }
631
632 void r100_pci_gart_disable(struct radeon_device *rdev)
633 {
634 uint32_t tmp;
635
636 /* discard memory request outside of configured range */
637 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
638 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
639 WREG32(RADEON_AIC_LO_ADDR, 0);
640 WREG32(RADEON_AIC_HI_ADDR, 0);
641 }
642
643 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
644 {
645 u32 *gtt = rdev->gart.ptr;
646
647 if (i < 0 || i > rdev->gart.num_gpu_pages) {
648 return -EINVAL;
649 }
650 gtt[i] = cpu_to_le32(lower_32_bits(addr));
651 return 0;
652 }
653
654 void r100_pci_gart_fini(struct radeon_device *rdev)
655 {
656 radeon_gart_fini(rdev);
657 r100_pci_gart_disable(rdev);
658 radeon_gart_table_ram_free(rdev);
659 }
660
661 int r100_irq_set(struct radeon_device *rdev)
662 {
663 uint32_t tmp = 0;
664
665 if (!rdev->irq.installed) {
666 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
667 WREG32(R_000040_GEN_INT_CNTL, 0);
668 return -EINVAL;
669 }
670 if (rdev->irq.sw_int[RADEON_RING_TYPE_GFX_INDEX]) {
671 tmp |= RADEON_SW_INT_ENABLE;
672 }
673 if (rdev->irq.gui_idle) {
674 tmp |= RADEON_GUI_IDLE_MASK;
675 }
676 if (rdev->irq.crtc_vblank_int[0] ||
677 rdev->irq.pflip[0]) {
678 tmp |= RADEON_CRTC_VBLANK_MASK;
679 }
680 if (rdev->irq.crtc_vblank_int[1] ||
681 rdev->irq.pflip[1]) {
682 tmp |= RADEON_CRTC2_VBLANK_MASK;
683 }
684 if (rdev->irq.hpd[0]) {
685 tmp |= RADEON_FP_DETECT_MASK;
686 }
687 if (rdev->irq.hpd[1]) {
688 tmp |= RADEON_FP2_DETECT_MASK;
689 }
690 WREG32(RADEON_GEN_INT_CNTL, tmp);
691 return 0;
692 }
693
694 void r100_irq_disable(struct radeon_device *rdev)
695 {
696 u32 tmp;
697
698 WREG32(R_000040_GEN_INT_CNTL, 0);
699 /* Wait and acknowledge irq */
700 mdelay(1);
701 tmp = RREG32(R_000044_GEN_INT_STATUS);
702 WREG32(R_000044_GEN_INT_STATUS, tmp);
703 }
704
705 static uint32_t r100_irq_ack(struct radeon_device *rdev)
706 {
707 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
708 uint32_t irq_mask = RADEON_SW_INT_TEST |
709 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
710 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
711
712 /* the interrupt works, but the status bit is permanently asserted */
713 if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
714 if (!rdev->irq.gui_idle_acked)
715 irq_mask |= RADEON_GUI_IDLE_STAT;
716 }
717
718 if (irqs) {
719 WREG32(RADEON_GEN_INT_STATUS, irqs);
720 }
721 return irqs & irq_mask;
722 }
723
724 int r100_irq_process(struct radeon_device *rdev)
725 {
726 uint32_t status, msi_rearm;
727 bool queue_hotplug = false;
728
729 /* reset gui idle ack. the status bit is broken */
730 rdev->irq.gui_idle_acked = false;
731
732 status = r100_irq_ack(rdev);
733 if (!status) {
734 return IRQ_NONE;
735 }
736 if (rdev->shutdown) {
737 return IRQ_NONE;
738 }
739 while (status) {
740 /* SW interrupt */
741 if (status & RADEON_SW_INT_TEST) {
742 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
743 }
744 /* gui idle interrupt */
745 if (status & RADEON_GUI_IDLE_STAT) {
746 rdev->irq.gui_idle_acked = true;
747 rdev->pm.gui_idle = true;
748 wake_up(&rdev->irq.idle_queue);
749 }
750 /* Vertical blank interrupts */
751 if (status & RADEON_CRTC_VBLANK_STAT) {
752 if (rdev->irq.crtc_vblank_int[0]) {
753 drm_handle_vblank(rdev->ddev, 0);
754 rdev->pm.vblank_sync = true;
755 wake_up(&rdev->irq.vblank_queue);
756 }
757 if (rdev->irq.pflip[0])
758 radeon_crtc_handle_flip(rdev, 0);
759 }
760 if (status & RADEON_CRTC2_VBLANK_STAT) {
761 if (rdev->irq.crtc_vblank_int[1]) {
762 drm_handle_vblank(rdev->ddev, 1);
763 rdev->pm.vblank_sync = true;
764 wake_up(&rdev->irq.vblank_queue);
765 }
766 if (rdev->irq.pflip[1])
767 radeon_crtc_handle_flip(rdev, 1);
768 }
769 if (status & RADEON_FP_DETECT_STAT) {
770 queue_hotplug = true;
771 DRM_DEBUG("HPD1\n");
772 }
773 if (status & RADEON_FP2_DETECT_STAT) {
774 queue_hotplug = true;
775 DRM_DEBUG("HPD2\n");
776 }
777 status = r100_irq_ack(rdev);
778 }
779 /* reset gui idle ack. the status bit is broken */
780 rdev->irq.gui_idle_acked = false;
781 if (queue_hotplug)
782 schedule_work(&rdev->hotplug_work);
783 if (rdev->msi_enabled) {
784 switch (rdev->family) {
785 case CHIP_RS400:
786 case CHIP_RS480:
787 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
788 WREG32(RADEON_AIC_CNTL, msi_rearm);
789 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
790 break;
791 default:
792 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
793 break;
794 }
795 }
796 return IRQ_HANDLED;
797 }
798
799 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
800 {
801 if (crtc == 0)
802 return RREG32(RADEON_CRTC_CRNT_FRAME);
803 else
804 return RREG32(RADEON_CRTC2_CRNT_FRAME);
805 }
806
807 /* Who ever call radeon_fence_emit should call ring_lock and ask
808 * for enough space (today caller are ib schedule and buffer move) */
809 void r100_fence_ring_emit(struct radeon_device *rdev,
810 struct radeon_fence *fence)
811 {
812 struct radeon_ring *ring = &rdev->ring[fence->ring];
813
814 /* We have to make sure that caches are flushed before
815 * CPU might read something from VRAM. */
816 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
817 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
818 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
819 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
820 /* Wait until IDLE & CLEAN */
821 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
822 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
823 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
824 radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
825 RADEON_HDP_READ_BUFFER_INVALIDATE);
826 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
827 radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
828 /* Emit fence sequence & fire IRQ */
829 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
830 radeon_ring_write(ring, fence->seq);
831 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
832 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
833 }
834
835 void r100_semaphore_ring_emit(struct radeon_device *rdev,
836 struct radeon_ring *ring,
837 struct radeon_semaphore *semaphore,
838 bool emit_wait)
839 {
840 /* Unused on older asics, since we don't have semaphores or multiple rings */
841 BUG();
842 }
843
844 int r100_copy_blit(struct radeon_device *rdev,
845 uint64_t src_offset,
846 uint64_t dst_offset,
847 unsigned num_gpu_pages,
848 struct radeon_fence *fence)
849 {
850 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
851 uint32_t cur_pages;
852 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
853 uint32_t pitch;
854 uint32_t stride_pixels;
855 unsigned ndw;
856 int num_loops;
857 int r = 0;
858
859 /* radeon limited to 16k stride */
860 stride_bytes &= 0x3fff;
861 /* radeon pitch is /64 */
862 pitch = stride_bytes / 64;
863 stride_pixels = stride_bytes / 4;
864 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
865
866 /* Ask for enough room for blit + flush + fence */
867 ndw = 64 + (10 * num_loops);
868 r = radeon_ring_lock(rdev, ring, ndw);
869 if (r) {
870 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
871 return -EINVAL;
872 }
873 while (num_gpu_pages > 0) {
874 cur_pages = num_gpu_pages;
875 if (cur_pages > 8191) {
876 cur_pages = 8191;
877 }
878 num_gpu_pages -= cur_pages;
879
880 /* pages are in Y direction - height
881 page width in X direction - width */
882 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
883 radeon_ring_write(ring,
884 RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
885 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
886 RADEON_GMC_SRC_CLIPPING |
887 RADEON_GMC_DST_CLIPPING |
888 RADEON_GMC_BRUSH_NONE |
889 (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
890 RADEON_GMC_SRC_DATATYPE_COLOR |
891 RADEON_ROP3_S |
892 RADEON_DP_SRC_SOURCE_MEMORY |
893 RADEON_GMC_CLR_CMP_CNTL_DIS |
894 RADEON_GMC_WR_MSK_DIS);
895 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
896 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
897 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
898 radeon_ring_write(ring, 0);
899 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
900 radeon_ring_write(ring, num_gpu_pages);
901 radeon_ring_write(ring, num_gpu_pages);
902 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
903 }
904 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
905 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
906 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
907 radeon_ring_write(ring,
908 RADEON_WAIT_2D_IDLECLEAN |
909 RADEON_WAIT_HOST_IDLECLEAN |
910 RADEON_WAIT_DMA_GUI_IDLE);
911 if (fence) {
912 r = radeon_fence_emit(rdev, fence);
913 }
914 radeon_ring_unlock_commit(rdev, ring);
915 return r;
916 }
917
918 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
919 {
920 unsigned i;
921 u32 tmp;
922
923 for (i = 0; i < rdev->usec_timeout; i++) {
924 tmp = RREG32(R_000E40_RBBM_STATUS);
925 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
926 return 0;
927 }
928 udelay(1);
929 }
930 return -1;
931 }
932
933 void r100_ring_start(struct radeon_device *rdev)
934 {
935 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
936 int r;
937
938 r = radeon_ring_lock(rdev, ring, 2);
939 if (r) {
940 return;
941 }
942 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
943 radeon_ring_write(ring,
944 RADEON_ISYNC_ANY2D_IDLE3D |
945 RADEON_ISYNC_ANY3D_IDLE2D |
946 RADEON_ISYNC_WAIT_IDLEGUI |
947 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
948 radeon_ring_unlock_commit(rdev, ring);
949 }
950
951
952 /* Load the microcode for the CP */
953 static int r100_cp_init_microcode(struct radeon_device *rdev)
954 {
955 struct platform_device *pdev;
956 const char *fw_name = NULL;
957 int err;
958
959 DRM_DEBUG_KMS("\n");
960
961 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
962 err = IS_ERR(pdev);
963 if (err) {
964 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
965 return -EINVAL;
966 }
967 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
968 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
969 (rdev->family == CHIP_RS200)) {
970 DRM_INFO("Loading R100 Microcode\n");
971 fw_name = FIRMWARE_R100;
972 } else if ((rdev->family == CHIP_R200) ||
973 (rdev->family == CHIP_RV250) ||
974 (rdev->family == CHIP_RV280) ||
975 (rdev->family == CHIP_RS300)) {
976 DRM_INFO("Loading R200 Microcode\n");
977 fw_name = FIRMWARE_R200;
978 } else if ((rdev->family == CHIP_R300) ||
979 (rdev->family == CHIP_R350) ||
980 (rdev->family == CHIP_RV350) ||
981 (rdev->family == CHIP_RV380) ||
982 (rdev->family == CHIP_RS400) ||
983 (rdev->family == CHIP_RS480)) {
984 DRM_INFO("Loading R300 Microcode\n");
985 fw_name = FIRMWARE_R300;
986 } else if ((rdev->family == CHIP_R420) ||
987 (rdev->family == CHIP_R423) ||
988 (rdev->family == CHIP_RV410)) {
989 DRM_INFO("Loading R400 Microcode\n");
990 fw_name = FIRMWARE_R420;
991 } else if ((rdev->family == CHIP_RS690) ||
992 (rdev->family == CHIP_RS740)) {
993 DRM_INFO("Loading RS690/RS740 Microcode\n");
994 fw_name = FIRMWARE_RS690;
995 } else if (rdev->family == CHIP_RS600) {
996 DRM_INFO("Loading RS600 Microcode\n");
997 fw_name = FIRMWARE_RS600;
998 } else if ((rdev->family == CHIP_RV515) ||
999 (rdev->family == CHIP_R520) ||
1000 (rdev->family == CHIP_RV530) ||
1001 (rdev->family == CHIP_R580) ||
1002 (rdev->family == CHIP_RV560) ||
1003 (rdev->family == CHIP_RV570)) {
1004 DRM_INFO("Loading R500 Microcode\n");
1005 fw_name = FIRMWARE_R520;
1006 }
1007
1008 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
1009 platform_device_unregister(pdev);
1010 if (err) {
1011 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
1012 fw_name);
1013 } else if (rdev->me_fw->size % 8) {
1014 printk(KERN_ERR
1015 "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
1016 rdev->me_fw->size, fw_name);
1017 err = -EINVAL;
1018 release_firmware(rdev->me_fw);
1019 rdev->me_fw = NULL;
1020 }
1021 return err;
1022 }
1023
1024 static void r100_cp_load_microcode(struct radeon_device *rdev)
1025 {
1026 const __be32 *fw_data;
1027 int i, size;
1028
1029 if (r100_gui_wait_for_idle(rdev)) {
1030 printk(KERN_WARNING "Failed to wait GUI idle while "
1031 "programming pipes. Bad things might happen.\n");
1032 }
1033
1034 if (rdev->me_fw) {
1035 size = rdev->me_fw->size / 4;
1036 fw_data = (const __be32 *)&rdev->me_fw->data[0];
1037 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1038 for (i = 0; i < size; i += 2) {
1039 WREG32(RADEON_CP_ME_RAM_DATAH,
1040 be32_to_cpup(&fw_data[i]));
1041 WREG32(RADEON_CP_ME_RAM_DATAL,
1042 be32_to_cpup(&fw_data[i + 1]));
1043 }
1044 }
1045 }
1046
1047 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1048 {
1049 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1050 unsigned rb_bufsz;
1051 unsigned rb_blksz;
1052 unsigned max_fetch;
1053 unsigned pre_write_timer;
1054 unsigned pre_write_limit;
1055 unsigned indirect2_start;
1056 unsigned indirect1_start;
1057 uint32_t tmp;
1058 int r;
1059
1060 if (r100_debugfs_cp_init(rdev)) {
1061 DRM_ERROR("Failed to register debugfs file for CP !\n");
1062 }
1063 if (!rdev->me_fw) {
1064 r = r100_cp_init_microcode(rdev);
1065 if (r) {
1066 DRM_ERROR("Failed to load firmware!\n");
1067 return r;
1068 }
1069 }
1070
1071 /* Align ring size */
1072 rb_bufsz = drm_order(ring_size / 8);
1073 ring_size = (1 << (rb_bufsz + 1)) * 4;
1074 r100_cp_load_microcode(rdev);
1075 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1076 RADEON_CP_RB_RPTR, RADEON_CP_RB_WPTR,
1077 0, 0x7fffff, RADEON_CP_PACKET2);
1078 if (r) {
1079 return r;
1080 }
1081 /* Each time the cp read 1024 bytes (16 dword/quadword) update
1082 * the rptr copy in system ram */
1083 rb_blksz = 9;
1084 /* cp will read 128bytes at a time (4 dwords) */
1085 max_fetch = 1;
1086 ring->align_mask = 16 - 1;
1087 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1088 pre_write_timer = 64;
1089 /* Force CP_RB_WPTR write if written more than one time before the
1090 * delay expire
1091 */
1092 pre_write_limit = 0;
1093 /* Setup the cp cache like this (cache size is 96 dwords) :
1094 * RING 0 to 15
1095 * INDIRECT1 16 to 79
1096 * INDIRECT2 80 to 95
1097 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1098 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1099 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1100 * Idea being that most of the gpu cmd will be through indirect1 buffer
1101 * so it gets the bigger cache.
1102 */
1103 indirect2_start = 80;
1104 indirect1_start = 16;
1105 /* cp setup */
1106 WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1107 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1108 REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1109 REG_SET(RADEON_MAX_FETCH, max_fetch));
1110 #ifdef __BIG_ENDIAN
1111 tmp |= RADEON_BUF_SWAP_32BIT;
1112 #endif
1113 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1114
1115 /* Set ring address */
1116 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1117 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1118 /* Force read & write ptr to 0 */
1119 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1120 WREG32(RADEON_CP_RB_RPTR_WR, 0);
1121 ring->wptr = 0;
1122 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1123
1124 /* set the wb address whether it's enabled or not */
1125 WREG32(R_00070C_CP_RB_RPTR_ADDR,
1126 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1127 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1128
1129 if (rdev->wb.enabled)
1130 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1131 else {
1132 tmp |= RADEON_RB_NO_UPDATE;
1133 WREG32(R_000770_SCRATCH_UMSK, 0);
1134 }
1135
1136 WREG32(RADEON_CP_RB_CNTL, tmp);
1137 udelay(10);
1138 ring->rptr = RREG32(RADEON_CP_RB_RPTR);
1139 /* Set cp mode to bus mastering & enable cp*/
1140 WREG32(RADEON_CP_CSQ_MODE,
1141 REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1142 REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1143 WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1144 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1145 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1146 radeon_ring_start(rdev);
1147 r = radeon_ring_test(rdev, ring);
1148 if (r) {
1149 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1150 return r;
1151 }
1152 ring->ready = true;
1153 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1154 return 0;
1155 }
1156
1157 void r100_cp_fini(struct radeon_device *rdev)
1158 {
1159 if (r100_cp_wait_for_idle(rdev)) {
1160 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1161 }
1162 /* Disable ring */
1163 r100_cp_disable(rdev);
1164 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1165 DRM_INFO("radeon: cp finalized\n");
1166 }
1167
1168 void r100_cp_disable(struct radeon_device *rdev)
1169 {
1170 /* Disable ring */
1171 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1172 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1173 WREG32(RADEON_CP_CSQ_MODE, 0);
1174 WREG32(RADEON_CP_CSQ_CNTL, 0);
1175 WREG32(R_000770_SCRATCH_UMSK, 0);
1176 if (r100_gui_wait_for_idle(rdev)) {
1177 printk(KERN_WARNING "Failed to wait GUI idle while "
1178 "programming pipes. Bad things might happen.\n");
1179 }
1180 }
1181
1182 /*
1183 * CS functions
1184 */
1185 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1186 struct radeon_cs_packet *pkt,
1187 const unsigned *auth, unsigned n,
1188 radeon_packet0_check_t check)
1189 {
1190 unsigned reg;
1191 unsigned i, j, m;
1192 unsigned idx;
1193 int r;
1194
1195 idx = pkt->idx + 1;
1196 reg = pkt->reg;
1197 /* Check that register fall into register range
1198 * determined by the number of entry (n) in the
1199 * safe register bitmap.
1200 */
1201 if (pkt->one_reg_wr) {
1202 if ((reg >> 7) > n) {
1203 return -EINVAL;
1204 }
1205 } else {
1206 if (((reg + (pkt->count << 2)) >> 7) > n) {
1207 return -EINVAL;
1208 }
1209 }
1210 for (i = 0; i <= pkt->count; i++, idx++) {
1211 j = (reg >> 7);
1212 m = 1 << ((reg >> 2) & 31);
1213 if (auth[j] & m) {
1214 r = check(p, pkt, idx, reg);
1215 if (r) {
1216 return r;
1217 }
1218 }
1219 if (pkt->one_reg_wr) {
1220 if (!(auth[j] & m)) {
1221 break;
1222 }
1223 } else {
1224 reg += 4;
1225 }
1226 }
1227 return 0;
1228 }
1229
1230 void r100_cs_dump_packet(struct radeon_cs_parser *p,
1231 struct radeon_cs_packet *pkt)
1232 {
1233 volatile uint32_t *ib;
1234 unsigned i;
1235 unsigned idx;
1236
1237 ib = p->ib->ptr;
1238 idx = pkt->idx;
1239 for (i = 0; i <= (pkt->count + 1); i++, idx++) {
1240 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
1241 }
1242 }
1243
1244 /**
1245 * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
1246 * @parser: parser structure holding parsing context.
1247 * @pkt: where to store packet informations
1248 *
1249 * Assume that chunk_ib_index is properly set. Will return -EINVAL
1250 * if packet is bigger than remaining ib size. or if packets is unknown.
1251 **/
1252 int r100_cs_packet_parse(struct radeon_cs_parser *p,
1253 struct radeon_cs_packet *pkt,
1254 unsigned idx)
1255 {
1256 struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
1257 uint32_t header;
1258
1259 if (idx >= ib_chunk->length_dw) {
1260 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
1261 idx, ib_chunk->length_dw);
1262 return -EINVAL;
1263 }
1264 header = radeon_get_ib_value(p, idx);
1265 pkt->idx = idx;
1266 pkt->type = CP_PACKET_GET_TYPE(header);
1267 pkt->count = CP_PACKET_GET_COUNT(header);
1268 switch (pkt->type) {
1269 case PACKET_TYPE0:
1270 pkt->reg = CP_PACKET0_GET_REG(header);
1271 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
1272 break;
1273 case PACKET_TYPE3:
1274 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
1275 break;
1276 case PACKET_TYPE2:
1277 pkt->count = -1;
1278 break;
1279 default:
1280 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
1281 return -EINVAL;
1282 }
1283 if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
1284 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
1285 pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
1286 return -EINVAL;
1287 }
1288 return 0;
1289 }
1290
1291 /**
1292 * r100_cs_packet_next_vline() - parse userspace VLINE packet
1293 * @parser: parser structure holding parsing context.
1294 *
1295 * Userspace sends a special sequence for VLINE waits.
1296 * PACKET0 - VLINE_START_END + value
1297 * PACKET0 - WAIT_UNTIL +_value
1298 * RELOC (P3) - crtc_id in reloc.
1299 *
1300 * This function parses this and relocates the VLINE START END
1301 * and WAIT UNTIL packets to the correct crtc.
1302 * It also detects a switched off crtc and nulls out the
1303 * wait in that case.
1304 */
1305 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1306 {
1307 struct drm_mode_object *obj;
1308 struct drm_crtc *crtc;
1309 struct radeon_crtc *radeon_crtc;
1310 struct radeon_cs_packet p3reloc, waitreloc;
1311 int crtc_id;
1312 int r;
1313 uint32_t header, h_idx, reg;
1314 volatile uint32_t *ib;
1315
1316 ib = p->ib->ptr;
1317
1318 /* parse the wait until */
1319 r = r100_cs_packet_parse(p, &waitreloc, p->idx);
1320 if (r)
1321 return r;
1322
1323 /* check its a wait until and only 1 count */
1324 if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1325 waitreloc.count != 0) {
1326 DRM_ERROR("vline wait had illegal wait until segment\n");
1327 return -EINVAL;
1328 }
1329
1330 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1331 DRM_ERROR("vline wait had illegal wait until\n");
1332 return -EINVAL;
1333 }
1334
1335 /* jump over the NOP */
1336 r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1337 if (r)
1338 return r;
1339
1340 h_idx = p->idx - 2;
1341 p->idx += waitreloc.count + 2;
1342 p->idx += p3reloc.count + 2;
1343
1344 header = radeon_get_ib_value(p, h_idx);
1345 crtc_id = radeon_get_ib_value(p, h_idx + 5);
1346 reg = CP_PACKET0_GET_REG(header);
1347 obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1348 if (!obj) {
1349 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1350 return -EINVAL;
1351 }
1352 crtc = obj_to_crtc(obj);
1353 radeon_crtc = to_radeon_crtc(crtc);
1354 crtc_id = radeon_crtc->crtc_id;
1355
1356 if (!crtc->enabled) {
1357 /* if the CRTC isn't enabled - we need to nop out the wait until */
1358 ib[h_idx + 2] = PACKET2(0);
1359 ib[h_idx + 3] = PACKET2(0);
1360 } else if (crtc_id == 1) {
1361 switch (reg) {
1362 case AVIVO_D1MODE_VLINE_START_END:
1363 header &= ~R300_CP_PACKET0_REG_MASK;
1364 header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1365 break;
1366 case RADEON_CRTC_GUI_TRIG_VLINE:
1367 header &= ~R300_CP_PACKET0_REG_MASK;
1368 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1369 break;
1370 default:
1371 DRM_ERROR("unknown crtc reloc\n");
1372 return -EINVAL;
1373 }
1374 ib[h_idx] = header;
1375 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1376 }
1377
1378 return 0;
1379 }
1380
1381 /**
1382 * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
1383 * @parser: parser structure holding parsing context.
1384 * @data: pointer to relocation data
1385 * @offset_start: starting offset
1386 * @offset_mask: offset mask (to align start offset on)
1387 * @reloc: reloc informations
1388 *
1389 * Check next packet is relocation packet3, do bo validation and compute
1390 * GPU offset using the provided start.
1391 **/
1392 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
1393 struct radeon_cs_reloc **cs_reloc)
1394 {
1395 struct radeon_cs_chunk *relocs_chunk;
1396 struct radeon_cs_packet p3reloc;
1397 unsigned idx;
1398 int r;
1399
1400 if (p->chunk_relocs_idx == -1) {
1401 DRM_ERROR("No relocation chunk !\n");
1402 return -EINVAL;
1403 }
1404 *cs_reloc = NULL;
1405 relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1406 r = r100_cs_packet_parse(p, &p3reloc, p->idx);
1407 if (r) {
1408 return r;
1409 }
1410 p->idx += p3reloc.count + 2;
1411 if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1412 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1413 p3reloc.idx);
1414 r100_cs_dump_packet(p, &p3reloc);
1415 return -EINVAL;
1416 }
1417 idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1418 if (idx >= relocs_chunk->length_dw) {
1419 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1420 idx, relocs_chunk->length_dw);
1421 r100_cs_dump_packet(p, &p3reloc);
1422 return -EINVAL;
1423 }
1424 /* FIXME: we assume reloc size is 4 dwords */
1425 *cs_reloc = p->relocs_ptr[(idx / 4)];
1426 return 0;
1427 }
1428
1429 static int r100_get_vtx_size(uint32_t vtx_fmt)
1430 {
1431 int vtx_size;
1432 vtx_size = 2;
1433 /* ordered according to bits in spec */
1434 if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1435 vtx_size++;
1436 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1437 vtx_size += 3;
1438 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1439 vtx_size++;
1440 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1441 vtx_size++;
1442 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1443 vtx_size += 3;
1444 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1445 vtx_size++;
1446 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1447 vtx_size++;
1448 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1449 vtx_size += 2;
1450 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1451 vtx_size += 2;
1452 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1453 vtx_size++;
1454 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1455 vtx_size += 2;
1456 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1457 vtx_size++;
1458 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1459 vtx_size += 2;
1460 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1461 vtx_size++;
1462 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1463 vtx_size++;
1464 /* blend weight */
1465 if (vtx_fmt & (0x7 << 15))
1466 vtx_size += (vtx_fmt >> 15) & 0x7;
1467 if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1468 vtx_size += 3;
1469 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1470 vtx_size += 2;
1471 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1472 vtx_size++;
1473 if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1474 vtx_size++;
1475 if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1476 vtx_size++;
1477 if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1478 vtx_size++;
1479 return vtx_size;
1480 }
1481
1482 static int r100_packet0_check(struct radeon_cs_parser *p,
1483 struct radeon_cs_packet *pkt,
1484 unsigned idx, unsigned reg)
1485 {
1486 struct radeon_cs_reloc *reloc;
1487 struct r100_cs_track *track;
1488 volatile uint32_t *ib;
1489 uint32_t tmp;
1490 int r;
1491 int i, face;
1492 u32 tile_flags = 0;
1493 u32 idx_value;
1494
1495 ib = p->ib->ptr;
1496 track = (struct r100_cs_track *)p->track;
1497
1498 idx_value = radeon_get_ib_value(p, idx);
1499
1500 switch (reg) {
1501 case RADEON_CRTC_GUI_TRIG_VLINE:
1502 r = r100_cs_packet_parse_vline(p);
1503 if (r) {
1504 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1505 idx, reg);
1506 r100_cs_dump_packet(p, pkt);
1507 return r;
1508 }
1509 break;
1510 /* FIXME: only allow PACKET3 blit? easier to check for out of
1511 * range access */
1512 case RADEON_DST_PITCH_OFFSET:
1513 case RADEON_SRC_PITCH_OFFSET:
1514 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1515 if (r)
1516 return r;
1517 break;
1518 case RADEON_RB3D_DEPTHOFFSET:
1519 r = r100_cs_packet_next_reloc(p, &reloc);
1520 if (r) {
1521 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1522 idx, reg);
1523 r100_cs_dump_packet(p, pkt);
1524 return r;
1525 }
1526 track->zb.robj = reloc->robj;
1527 track->zb.offset = idx_value;
1528 track->zb_dirty = true;
1529 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1530 break;
1531 case RADEON_RB3D_COLOROFFSET:
1532 r = r100_cs_packet_next_reloc(p, &reloc);
1533 if (r) {
1534 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1535 idx, reg);
1536 r100_cs_dump_packet(p, pkt);
1537 return r;
1538 }
1539 track->cb[0].robj = reloc->robj;
1540 track->cb[0].offset = idx_value;
1541 track->cb_dirty = true;
1542 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1543 break;
1544 case RADEON_PP_TXOFFSET_0:
1545 case RADEON_PP_TXOFFSET_1:
1546 case RADEON_PP_TXOFFSET_2:
1547 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1548 r = r100_cs_packet_next_reloc(p, &reloc);
1549 if (r) {
1550 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1551 idx, reg);
1552 r100_cs_dump_packet(p, pkt);
1553 return r;
1554 }
1555 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1556 track->textures[i].robj = reloc->robj;
1557 track->tex_dirty = true;
1558 break;
1559 case RADEON_PP_CUBIC_OFFSET_T0_0:
1560 case RADEON_PP_CUBIC_OFFSET_T0_1:
1561 case RADEON_PP_CUBIC_OFFSET_T0_2:
1562 case RADEON_PP_CUBIC_OFFSET_T0_3:
1563 case RADEON_PP_CUBIC_OFFSET_T0_4:
1564 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1565 r = r100_cs_packet_next_reloc(p, &reloc);
1566 if (r) {
1567 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1568 idx, reg);
1569 r100_cs_dump_packet(p, pkt);
1570 return r;
1571 }
1572 track->textures[0].cube_info[i].offset = idx_value;
1573 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1574 track->textures[0].cube_info[i].robj = reloc->robj;
1575 track->tex_dirty = true;
1576 break;
1577 case RADEON_PP_CUBIC_OFFSET_T1_0:
1578 case RADEON_PP_CUBIC_OFFSET_T1_1:
1579 case RADEON_PP_CUBIC_OFFSET_T1_2:
1580 case RADEON_PP_CUBIC_OFFSET_T1_3:
1581 case RADEON_PP_CUBIC_OFFSET_T1_4:
1582 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1583 r = r100_cs_packet_next_reloc(p, &reloc);
1584 if (r) {
1585 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1586 idx, reg);
1587 r100_cs_dump_packet(p, pkt);
1588 return r;
1589 }
1590 track->textures[1].cube_info[i].offset = idx_value;
1591 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1592 track->textures[1].cube_info[i].robj = reloc->robj;
1593 track->tex_dirty = true;
1594 break;
1595 case RADEON_PP_CUBIC_OFFSET_T2_0:
1596 case RADEON_PP_CUBIC_OFFSET_T2_1:
1597 case RADEON_PP_CUBIC_OFFSET_T2_2:
1598 case RADEON_PP_CUBIC_OFFSET_T2_3:
1599 case RADEON_PP_CUBIC_OFFSET_T2_4:
1600 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1601 r = r100_cs_packet_next_reloc(p, &reloc);
1602 if (r) {
1603 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1604 idx, reg);
1605 r100_cs_dump_packet(p, pkt);
1606 return r;
1607 }
1608 track->textures[2].cube_info[i].offset = idx_value;
1609 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1610 track->textures[2].cube_info[i].robj = reloc->robj;
1611 track->tex_dirty = true;
1612 break;
1613 case RADEON_RE_WIDTH_HEIGHT:
1614 track->maxy = ((idx_value >> 16) & 0x7FF);
1615 track->cb_dirty = true;
1616 track->zb_dirty = true;
1617 break;
1618 case RADEON_RB3D_COLORPITCH:
1619 r = r100_cs_packet_next_reloc(p, &reloc);
1620 if (r) {
1621 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1622 idx, reg);
1623 r100_cs_dump_packet(p, pkt);
1624 return r;
1625 }
1626
1627 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1628 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1629 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1630 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1631
1632 tmp = idx_value & ~(0x7 << 16);
1633 tmp |= tile_flags;
1634 ib[idx] = tmp;
1635
1636 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1637 track->cb_dirty = true;
1638 break;
1639 case RADEON_RB3D_DEPTHPITCH:
1640 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1641 track->zb_dirty = true;
1642 break;
1643 case RADEON_RB3D_CNTL:
1644 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1645 case 7:
1646 case 8:
1647 case 9:
1648 case 11:
1649 case 12:
1650 track->cb[0].cpp = 1;
1651 break;
1652 case 3:
1653 case 4:
1654 case 15:
1655 track->cb[0].cpp = 2;
1656 break;
1657 case 6:
1658 track->cb[0].cpp = 4;
1659 break;
1660 default:
1661 DRM_ERROR("Invalid color buffer format (%d) !\n",
1662 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1663 return -EINVAL;
1664 }
1665 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1666 track->cb_dirty = true;
1667 track->zb_dirty = true;
1668 break;
1669 case RADEON_RB3D_ZSTENCILCNTL:
1670 switch (idx_value & 0xf) {
1671 case 0:
1672 track->zb.cpp = 2;
1673 break;
1674 case 2:
1675 case 3:
1676 case 4:
1677 case 5:
1678 case 9:
1679 case 11:
1680 track->zb.cpp = 4;
1681 break;
1682 default:
1683 break;
1684 }
1685 track->zb_dirty = true;
1686 break;
1687 case RADEON_RB3D_ZPASS_ADDR:
1688 r = r100_cs_packet_next_reloc(p, &reloc);
1689 if (r) {
1690 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1691 idx, reg);
1692 r100_cs_dump_packet(p, pkt);
1693 return r;
1694 }
1695 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1696 break;
1697 case RADEON_PP_CNTL:
1698 {
1699 uint32_t temp = idx_value >> 4;
1700 for (i = 0; i < track->num_texture; i++)
1701 track->textures[i].enabled = !!(temp & (1 << i));
1702 track->tex_dirty = true;
1703 }
1704 break;
1705 case RADEON_SE_VF_CNTL:
1706 track->vap_vf_cntl = idx_value;
1707 break;
1708 case RADEON_SE_VTX_FMT:
1709 track->vtx_size = r100_get_vtx_size(idx_value);
1710 break;
1711 case RADEON_PP_TEX_SIZE_0:
1712 case RADEON_PP_TEX_SIZE_1:
1713 case RADEON_PP_TEX_SIZE_2:
1714 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1715 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1716 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1717 track->tex_dirty = true;
1718 break;
1719 case RADEON_PP_TEX_PITCH_0:
1720 case RADEON_PP_TEX_PITCH_1:
1721 case RADEON_PP_TEX_PITCH_2:
1722 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1723 track->textures[i].pitch = idx_value + 32;
1724 track->tex_dirty = true;
1725 break;
1726 case RADEON_PP_TXFILTER_0:
1727 case RADEON_PP_TXFILTER_1:
1728 case RADEON_PP_TXFILTER_2:
1729 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1730 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1731 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1732 tmp = (idx_value >> 23) & 0x7;
1733 if (tmp == 2 || tmp == 6)
1734 track->textures[i].roundup_w = false;
1735 tmp = (idx_value >> 27) & 0x7;
1736 if (tmp == 2 || tmp == 6)
1737 track->textures[i].roundup_h = false;
1738 track->tex_dirty = true;
1739 break;
1740 case RADEON_PP_TXFORMAT_0:
1741 case RADEON_PP_TXFORMAT_1:
1742 case RADEON_PP_TXFORMAT_2:
1743 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1744 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1745 track->textures[i].use_pitch = 1;
1746 } else {
1747 track->textures[i].use_pitch = 0;
1748 track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1749 track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1750 }
1751 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1752 track->textures[i].tex_coord_type = 2;
1753 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1754 case RADEON_TXFORMAT_I8:
1755 case RADEON_TXFORMAT_RGB332:
1756 case RADEON_TXFORMAT_Y8:
1757 track->textures[i].cpp = 1;
1758 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1759 break;
1760 case RADEON_TXFORMAT_AI88:
1761 case RADEON_TXFORMAT_ARGB1555:
1762 case RADEON_TXFORMAT_RGB565:
1763 case RADEON_TXFORMAT_ARGB4444:
1764 case RADEON_TXFORMAT_VYUY422:
1765 case RADEON_TXFORMAT_YVYU422:
1766 case RADEON_TXFORMAT_SHADOW16:
1767 case RADEON_TXFORMAT_LDUDV655:
1768 case RADEON_TXFORMAT_DUDV88:
1769 track->textures[i].cpp = 2;
1770 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1771 break;
1772 case RADEON_TXFORMAT_ARGB8888:
1773 case RADEON_TXFORMAT_RGBA8888:
1774 case RADEON_TXFORMAT_SHADOW32:
1775 case RADEON_TXFORMAT_LDUDUV8888:
1776 track->textures[i].cpp = 4;
1777 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1778 break;
1779 case RADEON_TXFORMAT_DXT1:
1780 track->textures[i].cpp = 1;
1781 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1782 break;
1783 case RADEON_TXFORMAT_DXT23:
1784 case RADEON_TXFORMAT_DXT45:
1785 track->textures[i].cpp = 1;
1786 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1787 break;
1788 }
1789 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1790 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1791 track->tex_dirty = true;
1792 break;
1793 case RADEON_PP_CUBIC_FACES_0:
1794 case RADEON_PP_CUBIC_FACES_1:
1795 case RADEON_PP_CUBIC_FACES_2:
1796 tmp = idx_value;
1797 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1798 for (face = 0; face < 4; face++) {
1799 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1800 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1801 }
1802 track->tex_dirty = true;
1803 break;
1804 default:
1805 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1806 reg, idx);
1807 return -EINVAL;
1808 }
1809 return 0;
1810 }
1811
1812 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1813 struct radeon_cs_packet *pkt,
1814 struct radeon_bo *robj)
1815 {
1816 unsigned idx;
1817 u32 value;
1818 idx = pkt->idx + 1;
1819 value = radeon_get_ib_value(p, idx + 2);
1820 if ((value + 1) > radeon_bo_size(robj)) {
1821 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1822 "(need %u have %lu) !\n",
1823 value + 1,
1824 radeon_bo_size(robj));
1825 return -EINVAL;
1826 }
1827 return 0;
1828 }
1829
1830 static int r100_packet3_check(struct radeon_cs_parser *p,
1831 struct radeon_cs_packet *pkt)
1832 {
1833 struct radeon_cs_reloc *reloc;
1834 struct r100_cs_track *track;
1835 unsigned idx;
1836 volatile uint32_t *ib;
1837 int r;
1838
1839 ib = p->ib->ptr;
1840 idx = pkt->idx + 1;
1841 track = (struct r100_cs_track *)p->track;
1842 switch (pkt->opcode) {
1843 case PACKET3_3D_LOAD_VBPNTR:
1844 r = r100_packet3_load_vbpntr(p, pkt, idx);
1845 if (r)
1846 return r;
1847 break;
1848 case PACKET3_INDX_BUFFER:
1849 r = r100_cs_packet_next_reloc(p, &reloc);
1850 if (r) {
1851 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1852 r100_cs_dump_packet(p, pkt);
1853 return r;
1854 }
1855 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1856 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1857 if (r) {
1858 return r;
1859 }
1860 break;
1861 case 0x23:
1862 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1863 r = r100_cs_packet_next_reloc(p, &reloc);
1864 if (r) {
1865 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1866 r100_cs_dump_packet(p, pkt);
1867 return r;
1868 }
1869 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1870 track->num_arrays = 1;
1871 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1872
1873 track->arrays[0].robj = reloc->robj;
1874 track->arrays[0].esize = track->vtx_size;
1875
1876 track->max_indx = radeon_get_ib_value(p, idx+1);
1877
1878 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1879 track->immd_dwords = pkt->count - 1;
1880 r = r100_cs_track_check(p->rdev, track);
1881 if (r)
1882 return r;
1883 break;
1884 case PACKET3_3D_DRAW_IMMD:
1885 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1886 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1887 return -EINVAL;
1888 }
1889 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1890 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1891 track->immd_dwords = pkt->count - 1;
1892 r = r100_cs_track_check(p->rdev, track);
1893 if (r)
1894 return r;
1895 break;
1896 /* triggers drawing using in-packet vertex data */
1897 case PACKET3_3D_DRAW_IMMD_2:
1898 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1899 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1900 return -EINVAL;
1901 }
1902 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1903 track->immd_dwords = pkt->count;
1904 r = r100_cs_track_check(p->rdev, track);
1905 if (r)
1906 return r;
1907 break;
1908 /* triggers drawing using in-packet vertex data */
1909 case PACKET3_3D_DRAW_VBUF_2:
1910 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1911 r = r100_cs_track_check(p->rdev, track);
1912 if (r)
1913 return r;
1914 break;
1915 /* triggers drawing of vertex buffers setup elsewhere */
1916 case PACKET3_3D_DRAW_INDX_2:
1917 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1918 r = r100_cs_track_check(p->rdev, track);
1919 if (r)
1920 return r;
1921 break;
1922 /* triggers drawing using indices to vertex buffer */
1923 case PACKET3_3D_DRAW_VBUF:
1924 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1925 r = r100_cs_track_check(p->rdev, track);
1926 if (r)
1927 return r;
1928 break;
1929 /* triggers drawing of vertex buffers setup elsewhere */
1930 case PACKET3_3D_DRAW_INDX:
1931 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1932 r = r100_cs_track_check(p->rdev, track);
1933 if (r)
1934 return r;
1935 break;
1936 /* triggers drawing using indices to vertex buffer */
1937 case PACKET3_3D_CLEAR_HIZ:
1938 case PACKET3_3D_CLEAR_ZMASK:
1939 if (p->rdev->hyperz_filp != p->filp)
1940 return -EINVAL;
1941 break;
1942 case PACKET3_NOP:
1943 break;
1944 default:
1945 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1946 return -EINVAL;
1947 }
1948 return 0;
1949 }
1950
1951 int r100_cs_parse(struct radeon_cs_parser *p)
1952 {
1953 struct radeon_cs_packet pkt;
1954 struct r100_cs_track *track;
1955 int r;
1956
1957 track = kzalloc(sizeof(*track), GFP_KERNEL);
1958 r100_cs_track_clear(p->rdev, track);
1959 p->track = track;
1960 do {
1961 r = r100_cs_packet_parse(p, &pkt, p->idx);
1962 if (r) {
1963 return r;
1964 }
1965 p->idx += pkt.count + 2;
1966 switch (pkt.type) {
1967 case PACKET_TYPE0:
1968 if (p->rdev->family >= CHIP_R200)
1969 r = r100_cs_parse_packet0(p, &pkt,
1970 p->rdev->config.r100.reg_safe_bm,
1971 p->rdev->config.r100.reg_safe_bm_size,
1972 &r200_packet0_check);
1973 else
1974 r = r100_cs_parse_packet0(p, &pkt,
1975 p->rdev->config.r100.reg_safe_bm,
1976 p->rdev->config.r100.reg_safe_bm_size,
1977 &r100_packet0_check);
1978 break;
1979 case PACKET_TYPE2:
1980 break;
1981 case PACKET_TYPE3:
1982 r = r100_packet3_check(p, &pkt);
1983 break;
1984 default:
1985 DRM_ERROR("Unknown packet type %d !\n",
1986 pkt.type);
1987 return -EINVAL;
1988 }
1989 if (r) {
1990 return r;
1991 }
1992 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1993 return 0;
1994 }
1995
1996
1997 /*
1998 * Global GPU functions
1999 */
2000 void r100_errata(struct radeon_device *rdev)
2001 {
2002 rdev->pll_errata = 0;
2003
2004 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2005 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2006 }
2007
2008 if (rdev->family == CHIP_RV100 ||
2009 rdev->family == CHIP_RS100 ||
2010 rdev->family == CHIP_RS200) {
2011 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2012 }
2013 }
2014
2015 /* Wait for vertical sync on primary CRTC */
2016 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
2017 {
2018 uint32_t crtc_gen_cntl, tmp;
2019 int i;
2020
2021 crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
2022 if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
2023 !(crtc_gen_cntl & RADEON_CRTC_EN)) {
2024 return;
2025 }
2026 /* Clear the CRTC_VBLANK_SAVE bit */
2027 WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
2028 for (i = 0; i < rdev->usec_timeout; i++) {
2029 tmp = RREG32(RADEON_CRTC_STATUS);
2030 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
2031 return;
2032 }
2033 DRM_UDELAY(1);
2034 }
2035 }
2036
2037 /* Wait for vertical sync on secondary CRTC */
2038 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
2039 {
2040 uint32_t crtc2_gen_cntl, tmp;
2041 int i;
2042
2043 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
2044 if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
2045 !(crtc2_gen_cntl & RADEON_CRTC2_EN))
2046 return;
2047
2048 /* Clear the CRTC_VBLANK_SAVE bit */
2049 WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
2050 for (i = 0; i < rdev->usec_timeout; i++) {
2051 tmp = RREG32(RADEON_CRTC2_STATUS);
2052 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
2053 return;
2054 }
2055 DRM_UDELAY(1);
2056 }
2057 }
2058
2059 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2060 {
2061 unsigned i;
2062 uint32_t tmp;
2063
2064 for (i = 0; i < rdev->usec_timeout; i++) {
2065 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2066 if (tmp >= n) {
2067 return 0;
2068 }
2069 DRM_UDELAY(1);
2070 }
2071 return -1;
2072 }
2073
2074 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2075 {
2076 unsigned i;
2077 uint32_t tmp;
2078
2079 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2080 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
2081 " Bad things might happen.\n");
2082 }
2083 for (i = 0; i < rdev->usec_timeout; i++) {
2084 tmp = RREG32(RADEON_RBBM_STATUS);
2085 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2086 return 0;
2087 }
2088 DRM_UDELAY(1);
2089 }
2090 return -1;
2091 }
2092
2093 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2094 {
2095 unsigned i;
2096 uint32_t tmp;
2097
2098 for (i = 0; i < rdev->usec_timeout; i++) {
2099 /* read MC_STATUS */
2100 tmp = RREG32(RADEON_MC_STATUS);
2101 if (tmp & RADEON_MC_IDLE) {
2102 return 0;
2103 }
2104 DRM_UDELAY(1);
2105 }
2106 return -1;
2107 }
2108
2109 void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_ring *ring)
2110 {
2111 lockup->last_cp_rptr = ring->rptr;
2112 lockup->last_jiffies = jiffies;
2113 }
2114
2115 /**
2116 * r100_gpu_cp_is_lockup() - check if CP is lockup by recording information
2117 * @rdev: radeon device structure
2118 * @lockup: r100_gpu_lockup structure holding CP lockup tracking informations
2119 * @cp: radeon_cp structure holding CP information
2120 *
2121 * We don't need to initialize the lockup tracking information as we will either
2122 * have CP rptr to a different value of jiffies wrap around which will force
2123 * initialization of the lockup tracking informations.
2124 *
2125 * A possible false positivie is if we get call after while and last_cp_rptr ==
2126 * the current CP rptr, even if it's unlikely it might happen. To avoid this
2127 * if the elapsed time since last call is bigger than 2 second than we return
2128 * false and update the tracking information. Due to this the caller must call
2129 * r100_gpu_cp_is_lockup several time in less than 2sec for lockup to be reported
2130 * the fencing code should be cautious about that.
2131 *
2132 * Caller should write to the ring to force CP to do something so we don't get
2133 * false positive when CP is just gived nothing to do.
2134 *
2135 **/
2136 bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *lockup, struct radeon_ring *ring)
2137 {
2138 unsigned long cjiffies, elapsed;
2139
2140 cjiffies = jiffies;
2141 if (!time_after(cjiffies, lockup->last_jiffies)) {
2142 /* likely a wrap around */
2143 lockup->last_cp_rptr = ring->rptr;
2144 lockup->last_jiffies = jiffies;
2145 return false;
2146 }
2147 if (ring->rptr != lockup->last_cp_rptr) {
2148 /* CP is still working no lockup */
2149 lockup->last_cp_rptr = ring->rptr;
2150 lockup->last_jiffies = jiffies;
2151 return false;
2152 }
2153 elapsed = jiffies_to_msecs(cjiffies - lockup->last_jiffies);
2154 if (elapsed >= 10000) {
2155 dev_err(rdev->dev, "GPU lockup CP stall for more than %lumsec\n", elapsed);
2156 return true;
2157 }
2158 /* give a chance to the GPU ... */
2159 return false;
2160 }
2161
2162 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2163 {
2164 u32 rbbm_status;
2165 int r;
2166
2167 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2168 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2169 r100_gpu_lockup_update(&rdev->config.r100.lockup, ring);
2170 return false;
2171 }
2172 /* force CP activities */
2173 r = radeon_ring_lock(rdev, ring, 2);
2174 if (!r) {
2175 /* PACKET2 NOP */
2176 radeon_ring_write(ring, 0x80000000);
2177 radeon_ring_write(ring, 0x80000000);
2178 radeon_ring_unlock_commit(rdev, ring);
2179 }
2180 ring->rptr = RREG32(ring->rptr_reg);
2181 return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, ring);
2182 }
2183
2184 void r100_bm_disable(struct radeon_device *rdev)
2185 {
2186 u32 tmp;
2187
2188 /* disable bus mastering */
2189 tmp = RREG32(R_000030_BUS_CNTL);
2190 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2191 mdelay(1);
2192 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2193 mdelay(1);
2194 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2195 tmp = RREG32(RADEON_BUS_CNTL);
2196 mdelay(1);
2197 pci_clear_master(rdev->pdev);
2198 mdelay(1);
2199 }
2200
2201 int r100_asic_reset(struct radeon_device *rdev)
2202 {
2203 struct r100_mc_save save;
2204 u32 status, tmp;
2205 int ret = 0;
2206
2207 status = RREG32(R_000E40_RBBM_STATUS);
2208 if (!G_000E40_GUI_ACTIVE(status)) {
2209 return 0;
2210 }
2211 r100_mc_stop(rdev, &save);
2212 status = RREG32(R_000E40_RBBM_STATUS);
2213 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2214 /* stop CP */
2215 WREG32(RADEON_CP_CSQ_CNTL, 0);
2216 tmp = RREG32(RADEON_CP_RB_CNTL);
2217 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2218 WREG32(RADEON_CP_RB_RPTR_WR, 0);
2219 WREG32(RADEON_CP_RB_WPTR, 0);
2220 WREG32(RADEON_CP_RB_CNTL, tmp);
2221 /* save PCI state */
2222 pci_save_state(rdev->pdev);
2223 /* disable bus mastering */
2224 r100_bm_disable(rdev);
2225 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2226 S_0000F0_SOFT_RESET_RE(1) |
2227 S_0000F0_SOFT_RESET_PP(1) |
2228 S_0000F0_SOFT_RESET_RB(1));
2229 RREG32(R_0000F0_RBBM_SOFT_RESET);
2230 mdelay(500);
2231 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2232 mdelay(1);
2233 status = RREG32(R_000E40_RBBM_STATUS);
2234 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2235 /* reset CP */
2236 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2237 RREG32(R_0000F0_RBBM_SOFT_RESET);
2238 mdelay(500);
2239 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2240 mdelay(1);
2241 status = RREG32(R_000E40_RBBM_STATUS);
2242 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2243 /* restore PCI & busmastering */
2244 pci_restore_state(rdev->pdev);
2245 r100_enable_bm(rdev);
2246 /* Check if GPU is idle */
2247 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2248 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2249 dev_err(rdev->dev, "failed to reset GPU\n");
2250 rdev->gpu_lockup = true;
2251 ret = -1;
2252 } else
2253 dev_info(rdev->dev, "GPU reset succeed\n");
2254 r100_mc_resume(rdev, &save);
2255 return ret;
2256 }
2257
2258 void r100_set_common_regs(struct radeon_device *rdev)
2259 {
2260 struct drm_device *dev = rdev->ddev;
2261 bool force_dac2 = false;
2262 u32 tmp;
2263
2264 /* set these so they don't interfere with anything */
2265 WREG32(RADEON_OV0_SCALE_CNTL, 0);
2266 WREG32(RADEON_SUBPIC_CNTL, 0);
2267 WREG32(RADEON_VIPH_CONTROL, 0);
2268 WREG32(RADEON_I2C_CNTL_1, 0);
2269 WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2270 WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2271 WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2272
2273 /* always set up dac2 on rn50 and some rv100 as lots
2274 * of servers seem to wire it up to a VGA port but
2275 * don't report it in the bios connector
2276 * table.
2277 */
2278 switch (dev->pdev->device) {
2279 /* RN50 */
2280 case 0x515e:
2281 case 0x5969:
2282 force_dac2 = true;
2283 break;
2284 /* RV100*/
2285 case 0x5159:
2286 case 0x515a:
2287 /* DELL triple head servers */
2288 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2289 ((dev->pdev->subsystem_device == 0x016c) ||
2290 (dev->pdev->subsystem_device == 0x016d) ||
2291 (dev->pdev->subsystem_device == 0x016e) ||
2292 (dev->pdev->subsystem_device == 0x016f) ||
2293 (dev->pdev->subsystem_device == 0x0170) ||
2294 (dev->pdev->subsystem_device == 0x017d) ||
2295 (dev->pdev->subsystem_device == 0x017e) ||
2296 (dev->pdev->subsystem_device == 0x0183) ||
2297 (dev->pdev->subsystem_device == 0x018a) ||
2298 (dev->pdev->subsystem_device == 0x019a)))
2299 force_dac2 = true;
2300 break;
2301 }
2302
2303 if (force_dac2) {
2304 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2305 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2306 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2307
2308 /* For CRT on DAC2, don't turn it on if BIOS didn't
2309 enable it, even it's detected.
2310 */
2311
2312 /* force it to crtc0 */
2313 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2314 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2315 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2316
2317 /* set up the TV DAC */
2318 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2319 RADEON_TV_DAC_STD_MASK |
2320 RADEON_TV_DAC_RDACPD |
2321 RADEON_TV_DAC_GDACPD |
2322 RADEON_TV_DAC_BDACPD |
2323 RADEON_TV_DAC_BGADJ_MASK |
2324 RADEON_TV_DAC_DACADJ_MASK);
2325 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2326 RADEON_TV_DAC_NHOLD |
2327 RADEON_TV_DAC_STD_PS2 |
2328 (0x58 << 16));
2329
2330 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2331 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2332 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2333 }
2334
2335 /* switch PM block to ACPI mode */
2336 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2337 tmp &= ~RADEON_PM_MODE_SEL;
2338 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2339
2340 }
2341
2342 /*
2343 * VRAM info
2344 */
2345 static void r100_vram_get_type(struct radeon_device *rdev)
2346 {
2347 uint32_t tmp;
2348
2349 rdev->mc.vram_is_ddr = false;
2350 if (rdev->flags & RADEON_IS_IGP)
2351 rdev->mc.vram_is_ddr = true;
2352 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2353 rdev->mc.vram_is_ddr = true;
2354 if ((rdev->family == CHIP_RV100) ||
2355 (rdev->family == CHIP_RS100) ||
2356 (rdev->family == CHIP_RS200)) {
2357 tmp = RREG32(RADEON_MEM_CNTL);
2358 if (tmp & RV100_HALF_MODE) {
2359 rdev->mc.vram_width = 32;
2360 } else {
2361 rdev->mc.vram_width = 64;
2362 }
2363 if (rdev->flags & RADEON_SINGLE_CRTC) {
2364 rdev->mc.vram_width /= 4;
2365 rdev->mc.vram_is_ddr = true;
2366 }
2367 } else if (rdev->family <= CHIP_RV280) {
2368 tmp = RREG32(RADEON_MEM_CNTL);
2369 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2370 rdev->mc.vram_width = 128;
2371 } else {
2372 rdev->mc.vram_width = 64;
2373 }
2374 } else {
2375 /* newer IGPs */
2376 rdev->mc.vram_width = 128;
2377 }
2378 }
2379
2380 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2381 {
2382 u32 aper_size;
2383 u8 byte;
2384
2385 aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2386
2387 /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2388 * that is has the 2nd generation multifunction PCI interface
2389 */
2390 if (rdev->family == CHIP_RV280 ||
2391 rdev->family >= CHIP_RV350) {
2392 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2393 ~RADEON_HDP_APER_CNTL);
2394 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2395 return aper_size * 2;
2396 }
2397
2398 /* Older cards have all sorts of funny issues to deal with. First
2399 * check if it's a multifunction card by reading the PCI config
2400 * header type... Limit those to one aperture size
2401 */
2402 pci_read_config_byte(rdev->pdev, 0xe, &byte);
2403 if (byte & 0x80) {
2404 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2405 DRM_INFO("Limiting VRAM to one aperture\n");
2406 return aper_size;
2407 }
2408
2409 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2410 * have set it up. We don't write this as it's broken on some ASICs but
2411 * we expect the BIOS to have done the right thing (might be too optimistic...)
2412 */
2413 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2414 return aper_size * 2;
2415 return aper_size;
2416 }
2417
2418 void r100_vram_init_sizes(struct radeon_device *rdev)
2419 {
2420 u64 config_aper_size;
2421
2422 /* work out accessible VRAM */
2423 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2424 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2425 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2426 /* FIXME we don't use the second aperture yet when we could use it */
2427 if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2428 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2429 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2430 if (rdev->flags & RADEON_IS_IGP) {
2431 uint32_t tom;
2432 /* read NB_TOM to get the amount of ram stolen for the GPU */
2433 tom = RREG32(RADEON_NB_TOM);
2434 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2435 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2436 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2437 } else {
2438 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2439 /* Some production boards of m6 will report 0
2440 * if it's 8 MB
2441 */
2442 if (rdev->mc.real_vram_size == 0) {
2443 rdev->mc.real_vram_size = 8192 * 1024;
2444 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2445 }
2446 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2447 * Novell bug 204882 + along with lots of ubuntu ones
2448 */
2449 if (rdev->mc.aper_size > config_aper_size)
2450 config_aper_size = rdev->mc.aper_size;
2451
2452 if (config_aper_size > rdev->mc.real_vram_size)
2453 rdev->mc.mc_vram_size = config_aper_size;
2454 else
2455 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2456 }
2457 }
2458
2459 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2460 {
2461 uint32_t temp;
2462
2463 temp = RREG32(RADEON_CONFIG_CNTL);
2464 if (state == false) {
2465 temp &= ~RADEON_CFG_VGA_RAM_EN;
2466 temp |= RADEON_CFG_VGA_IO_DIS;
2467 } else {
2468 temp &= ~RADEON_CFG_VGA_IO_DIS;
2469 }
2470 WREG32(RADEON_CONFIG_CNTL, temp);
2471 }
2472
2473 void r100_mc_init(struct radeon_device *rdev)
2474 {
2475 u64 base;
2476
2477 r100_vram_get_type(rdev);
2478 r100_vram_init_sizes(rdev);
2479 base = rdev->mc.aper_base;
2480 if (rdev->flags & RADEON_IS_IGP)
2481 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2482 radeon_vram_location(rdev, &rdev->mc, base);
2483 rdev->mc.gtt_base_align = 0;
2484 if (!(rdev->flags & RADEON_IS_AGP))
2485 radeon_gtt_location(rdev, &rdev->mc);
2486 radeon_update_bandwidth_info(rdev);
2487 }
2488
2489
2490 /*
2491 * Indirect registers accessor
2492 */
2493 void r100_pll_errata_after_index(struct radeon_device *rdev)
2494 {
2495 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2496 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2497 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2498 }
2499 }
2500
2501 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2502 {
2503 /* This workarounds is necessary on RV100, RS100 and RS200 chips
2504 * or the chip could hang on a subsequent access
2505 */
2506 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2507 udelay(5000);
2508 }
2509
2510 /* This function is required to workaround a hardware bug in some (all?)
2511 * revisions of the R300. This workaround should be called after every
2512 * CLOCK_CNTL_INDEX register access. If not, register reads afterward
2513 * may not be correct.
2514 */
2515 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2516 uint32_t save, tmp;
2517
2518 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2519 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2520 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2521 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2522 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2523 }
2524 }
2525
2526 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2527 {
2528 uint32_t data;
2529
2530 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2531 r100_pll_errata_after_index(rdev);
2532 data = RREG32(RADEON_CLOCK_CNTL_DATA);
2533 r100_pll_errata_after_data(rdev);
2534 return data;
2535 }
2536
2537 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2538 {
2539 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2540 r100_pll_errata_after_index(rdev);
2541 WREG32(RADEON_CLOCK_CNTL_DATA, v);
2542 r100_pll_errata_after_data(rdev);
2543 }
2544
2545 void r100_set_safe_registers(struct radeon_device *rdev)
2546 {
2547 if (ASIC_IS_RN50(rdev)) {
2548 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2549 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2550 } else if (rdev->family < CHIP_R200) {
2551 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2552 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2553 } else {
2554 r200_set_safe_registers(rdev);
2555 }
2556 }
2557
2558 /*
2559 * Debugfs info
2560 */
2561 #if defined(CONFIG_DEBUG_FS)
2562 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2563 {
2564 struct drm_info_node *node = (struct drm_info_node *) m->private;
2565 struct drm_device *dev = node->minor->dev;
2566 struct radeon_device *rdev = dev->dev_private;
2567 uint32_t reg, value;
2568 unsigned i;
2569
2570 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2571 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2572 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2573 for (i = 0; i < 64; i++) {
2574 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2575 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2576 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2577 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2578 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2579 }
2580 return 0;
2581 }
2582
2583 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2584 {
2585 struct drm_info_node *node = (struct drm_info_node *) m->private;
2586 struct drm_device *dev = node->minor->dev;
2587 struct radeon_device *rdev = dev->dev_private;
2588 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2589 uint32_t rdp, wdp;
2590 unsigned count, i, j;
2591
2592 radeon_ring_free_size(rdev, ring);
2593 rdp = RREG32(RADEON_CP_RB_RPTR);
2594 wdp = RREG32(RADEON_CP_RB_WPTR);
2595 count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
2596 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2597 seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2598 seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2599 seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
2600 seq_printf(m, "%u dwords in ring\n", count);
2601 for (j = 0; j <= count; j++) {
2602 i = (rdp + j) & ring->ptr_mask;
2603 seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
2604 }
2605 return 0;
2606 }
2607
2608
2609 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2610 {
2611 struct drm_info_node *node = (struct drm_info_node *) m->private;
2612 struct drm_device *dev = node->minor->dev;
2613 struct radeon_device *rdev = dev->dev_private;
2614 uint32_t csq_stat, csq2_stat, tmp;
2615 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2616 unsigned i;
2617
2618 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2619 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2620 csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2621 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2622 r_rptr = (csq_stat >> 0) & 0x3ff;
2623 r_wptr = (csq_stat >> 10) & 0x3ff;
2624 ib1_rptr = (csq_stat >> 20) & 0x3ff;
2625 ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2626 ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2627 ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2628 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2629 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2630 seq_printf(m, "Ring rptr %u\n", r_rptr);
2631 seq_printf(m, "Ring wptr %u\n", r_wptr);
2632 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2633 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2634 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2635 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2636 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
2637 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
2638 seq_printf(m, "Ring fifo:\n");
2639 for (i = 0; i < 256; i++) {
2640 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2641 tmp = RREG32(RADEON_CP_CSQ_DATA);
2642 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
2643 }
2644 seq_printf(m, "Indirect1 fifo:\n");
2645 for (i = 256; i <= 512; i++) {
2646 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2647 tmp = RREG32(RADEON_CP_CSQ_DATA);
2648 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
2649 }
2650 seq_printf(m, "Indirect2 fifo:\n");
2651 for (i = 640; i < ib1_wptr; i++) {
2652 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2653 tmp = RREG32(RADEON_CP_CSQ_DATA);
2654 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
2655 }
2656 return 0;
2657 }
2658
2659 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
2660 {
2661 struct drm_info_node *node = (struct drm_info_node *) m->private;
2662 struct drm_device *dev = node->minor->dev;
2663 struct radeon_device *rdev = dev->dev_private;
2664 uint32_t tmp;
2665
2666 tmp = RREG32(RADEON_CONFIG_MEMSIZE);
2667 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
2668 tmp = RREG32(RADEON_MC_FB_LOCATION);
2669 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
2670 tmp = RREG32(RADEON_BUS_CNTL);
2671 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
2672 tmp = RREG32(RADEON_MC_AGP_LOCATION);
2673 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
2674 tmp = RREG32(RADEON_AGP_BASE);
2675 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
2676 tmp = RREG32(RADEON_HOST_PATH_CNTL);
2677 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
2678 tmp = RREG32(0x01D0);
2679 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
2680 tmp = RREG32(RADEON_AIC_LO_ADDR);
2681 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
2682 tmp = RREG32(RADEON_AIC_HI_ADDR);
2683 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
2684 tmp = RREG32(0x01E4);
2685 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
2686 return 0;
2687 }
2688
2689 static struct drm_info_list r100_debugfs_rbbm_list[] = {
2690 {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
2691 };
2692
2693 static struct drm_info_list r100_debugfs_cp_list[] = {
2694 {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
2695 {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
2696 };
2697
2698 static struct drm_info_list r100_debugfs_mc_info_list[] = {
2699 {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
2700 };
2701 #endif
2702
2703 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2704 {
2705 #if defined(CONFIG_DEBUG_FS)
2706 return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2707 #else
2708 return 0;
2709 #endif
2710 }
2711
2712 int r100_debugfs_cp_init(struct radeon_device *rdev)
2713 {
2714 #if defined(CONFIG_DEBUG_FS)
2715 return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2716 #else
2717 return 0;
2718 #endif
2719 }
2720
2721 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2722 {
2723 #if defined(CONFIG_DEBUG_FS)
2724 return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2725 #else
2726 return 0;
2727 #endif
2728 }
2729
2730 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2731 uint32_t tiling_flags, uint32_t pitch,
2732 uint32_t offset, uint32_t obj_size)
2733 {
2734 int surf_index = reg * 16;
2735 int flags = 0;
2736
2737 if (rdev->family <= CHIP_RS200) {
2738 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2739 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2740 flags |= RADEON_SURF_TILE_COLOR_BOTH;
2741 if (tiling_flags & RADEON_TILING_MACRO)
2742 flags |= RADEON_SURF_TILE_COLOR_MACRO;
2743 } else if (rdev->family <= CHIP_RV280) {
2744 if (tiling_flags & (RADEON_TILING_MACRO))
2745 flags |= R200_SURF_TILE_COLOR_MACRO;
2746 if (tiling_flags & RADEON_TILING_MICRO)
2747 flags |= R200_SURF_TILE_COLOR_MICRO;
2748 } else {
2749 if (tiling_flags & RADEON_TILING_MACRO)
2750 flags |= R300_SURF_TILE_MACRO;
2751 if (tiling_flags & RADEON_TILING_MICRO)
2752 flags |= R300_SURF_TILE_MICRO;
2753 }
2754
2755 if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2756 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2757 if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2758 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2759
2760 /* when we aren't tiling the pitch seems to needs to be furtherdivided down. - tested on power5 + rn50 server */
2761 if (tiling_flags & (RADEON_TILING_SWAP_16BIT | RADEON_TILING_SWAP_32BIT)) {
2762 if (!(tiling_flags & (RADEON_TILING_MACRO | RADEON_TILING_MICRO)))
2763 if (ASIC_IS_RN50(rdev))
2764 pitch /= 16;
2765 }
2766
2767 /* r100/r200 divide by 16 */
2768 if (rdev->family < CHIP_R300)
2769 flags |= pitch / 16;
2770 else
2771 flags |= pitch / 8;
2772
2773
2774 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2775 WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2776 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2777 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2778 return 0;
2779 }
2780
2781 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2782 {
2783 int surf_index = reg * 16;
2784 WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2785 }
2786
2787 void r100_bandwidth_update(struct radeon_device *rdev)
2788 {
2789 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2790 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2791 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
2792 uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2793 fixed20_12 memtcas_ff[8] = {
2794 dfixed_init(1),
2795 dfixed_init(2),
2796 dfixed_init(3),
2797 dfixed_init(0),
2798 dfixed_init_half(1),
2799 dfixed_init_half(2),
2800 dfixed_init(0),
2801 };
2802 fixed20_12 memtcas_rs480_ff[8] = {
2803 dfixed_init(0),
2804 dfixed_init(1),
2805 dfixed_init(2),
2806 dfixed_init(3),
2807 dfixed_init(0),
2808 dfixed_init_half(1),
2809 dfixed_init_half(2),
2810 dfixed_init_half(3),
2811 };
2812 fixed20_12 memtcas2_ff[8] = {
2813 dfixed_init(0),
2814 dfixed_init(1),
2815 dfixed_init(2),
2816 dfixed_init(3),
2817 dfixed_init(4),
2818 dfixed_init(5),
2819 dfixed_init(6),
2820 dfixed_init(7),
2821 };
2822 fixed20_12 memtrbs[8] = {
2823 dfixed_init(1),
2824 dfixed_init_half(1),
2825 dfixed_init(2),
2826 dfixed_init_half(2),
2827 dfixed_init(3),
2828 dfixed_init_half(3),
2829 dfixed_init(4),
2830 dfixed_init_half(4)
2831 };
2832 fixed20_12 memtrbs_r4xx[8] = {
2833 dfixed_init(4),
2834 dfixed_init(5),
2835 dfixed_init(6),
2836 dfixed_init(7),
2837 dfixed_init(8),
2838 dfixed_init(9),
2839 dfixed_init(10),
2840 dfixed_init(11)
2841 };
2842 fixed20_12 min_mem_eff;
2843 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2844 fixed20_12 cur_latency_mclk, cur_latency_sclk;
2845 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2846 disp_drain_rate2, read_return_rate;
2847 fixed20_12 time_disp1_drop_priority;
2848 int c;
2849 int cur_size = 16; /* in octawords */
2850 int critical_point = 0, critical_point2;
2851 /* uint32_t read_return_rate, time_disp1_drop_priority; */
2852 int stop_req, max_stop_req;
2853 struct drm_display_mode *mode1 = NULL;
2854 struct drm_display_mode *mode2 = NULL;
2855 uint32_t pixel_bytes1 = 0;
2856 uint32_t pixel_bytes2 = 0;
2857
2858 radeon_update_display_priority(rdev);
2859
2860 if (rdev->mode_info.crtcs[0]->base.enabled) {
2861 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2862 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2863 }
2864 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2865 if (rdev->mode_info.crtcs[1]->base.enabled) {
2866 mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2867 pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2868 }
2869 }
2870
2871 min_mem_eff.full = dfixed_const_8(0);
2872 /* get modes */
2873 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2874 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2875 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2876 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2877 /* check crtc enables */
2878 if (mode2)
2879 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2880 if (mode1)
2881 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2882 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2883 }
2884
2885 /*
2886 * determine is there is enough bw for current mode
2887 */
2888 sclk_ff = rdev->pm.sclk;
2889 mclk_ff = rdev->pm.mclk;
2890
2891 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2892 temp_ff.full = dfixed_const(temp);
2893 mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
2894
2895 pix_clk.full = 0;
2896 pix_clk2.full = 0;
2897 peak_disp_bw.full = 0;
2898 if (mode1) {
2899 temp_ff.full = dfixed_const(1000);
2900 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
2901 pix_clk.full = dfixed_div(pix_clk, temp_ff);
2902 temp_ff.full = dfixed_const(pixel_bytes1);
2903 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
2904 }
2905 if (mode2) {
2906 temp_ff.full = dfixed_const(1000);
2907 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
2908 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
2909 temp_ff.full = dfixed_const(pixel_bytes2);
2910 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
2911 }
2912
2913 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
2914 if (peak_disp_bw.full >= mem_bw.full) {
2915 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2916 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2917 }
2918
2919 /* Get values from the EXT_MEM_CNTL register...converting its contents. */
2920 temp = RREG32(RADEON_MEM_TIMING_CNTL);
2921 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2922 mem_trcd = ((temp >> 2) & 0x3) + 1;
2923 mem_trp = ((temp & 0x3)) + 1;
2924 mem_tras = ((temp & 0x70) >> 4) + 1;
2925 } else if (rdev->family == CHIP_R300 ||
2926 rdev->family == CHIP_R350) { /* r300, r350 */
2927 mem_trcd = (temp & 0x7) + 1;
2928 mem_trp = ((temp >> 8) & 0x7) + 1;
2929 mem_tras = ((temp >> 11) & 0xf) + 4;
2930 } else if (rdev->family == CHIP_RV350 ||
2931 rdev->family <= CHIP_RV380) {
2932 /* rv3x0 */
2933 mem_trcd = (temp & 0x7) + 3;
2934 mem_trp = ((temp >> 8) & 0x7) + 3;
2935 mem_tras = ((temp >> 11) & 0xf) + 6;
2936 } else if (rdev->family == CHIP_R420 ||
2937 rdev->family == CHIP_R423 ||
2938 rdev->family == CHIP_RV410) {
2939 /* r4xx */
2940 mem_trcd = (temp & 0xf) + 3;
2941 if (mem_trcd > 15)
2942 mem_trcd = 15;
2943 mem_trp = ((temp >> 8) & 0xf) + 3;
2944 if (mem_trp > 15)
2945 mem_trp = 15;
2946 mem_tras = ((temp >> 12) & 0x1f) + 6;
2947 if (mem_tras > 31)
2948 mem_tras = 31;
2949 } else { /* RV200, R200 */
2950 mem_trcd = (temp & 0x7) + 1;
2951 mem_trp = ((temp >> 8) & 0x7) + 1;
2952 mem_tras = ((temp >> 12) & 0xf) + 4;
2953 }
2954 /* convert to FF */
2955 trcd_ff.full = dfixed_const(mem_trcd);
2956 trp_ff.full = dfixed_const(mem_trp);
2957 tras_ff.full = dfixed_const(mem_tras);
2958
2959 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
2960 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2961 data = (temp & (7 << 20)) >> 20;
2962 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
2963 if (rdev->family == CHIP_RS480) /* don't think rs400 */
2964 tcas_ff = memtcas_rs480_ff[data];
2965 else
2966 tcas_ff = memtcas_ff[data];
2967 } else
2968 tcas_ff = memtcas2_ff[data];
2969
2970 if (rdev->family == CHIP_RS400 ||
2971 rdev->family == CHIP_RS480) {
2972 /* extra cas latency stored in bits 23-25 0-4 clocks */
2973 data = (temp >> 23) & 0x7;
2974 if (data < 5)
2975 tcas_ff.full += dfixed_const(data);
2976 }
2977
2978 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
2979 /* on the R300, Tcas is included in Trbs.
2980 */
2981 temp = RREG32(RADEON_MEM_CNTL);
2982 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
2983 if (data == 1) {
2984 if (R300_MEM_USE_CD_CH_ONLY & temp) {
2985 temp = RREG32(R300_MC_IND_INDEX);
2986 temp &= ~R300_MC_IND_ADDR_MASK;
2987 temp |= R300_MC_READ_CNTL_CD_mcind;
2988 WREG32(R300_MC_IND_INDEX, temp);
2989 temp = RREG32(R300_MC_IND_DATA);
2990 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
2991 } else {
2992 temp = RREG32(R300_MC_READ_CNTL_AB);
2993 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2994 }
2995 } else {
2996 temp = RREG32(R300_MC_READ_CNTL_AB);
2997 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2998 }
2999 if (rdev->family == CHIP_RV410 ||
3000 rdev->family == CHIP_R420 ||
3001 rdev->family == CHIP_R423)
3002 trbs_ff = memtrbs_r4xx[data];
3003 else
3004 trbs_ff = memtrbs[data];
3005 tcas_ff.full += trbs_ff.full;
3006 }
3007
3008 sclk_eff_ff.full = sclk_ff.full;
3009
3010 if (rdev->flags & RADEON_IS_AGP) {
3011 fixed20_12 agpmode_ff;
3012 agpmode_ff.full = dfixed_const(radeon_agpmode);
3013 temp_ff.full = dfixed_const_666(16);
3014 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3015 }
3016 /* TODO PCIE lanes may affect this - agpmode == 16?? */
3017
3018 if (ASIC_IS_R300(rdev)) {
3019 sclk_delay_ff.full = dfixed_const(250);
3020 } else {
3021 if ((rdev->family == CHIP_RV100) ||
3022 rdev->flags & RADEON_IS_IGP) {
3023 if (rdev->mc.vram_is_ddr)
3024 sclk_delay_ff.full = dfixed_const(41);
3025 else
3026 sclk_delay_ff.full = dfixed_const(33);
3027 } else {
3028 if (rdev->mc.vram_width == 128)
3029 sclk_delay_ff.full = dfixed_const(57);
3030 else
3031 sclk_delay_ff.full = dfixed_const(41);
3032 }
3033 }
3034
3035 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3036
3037 if (rdev->mc.vram_is_ddr) {
3038 if (rdev->mc.vram_width == 32) {
3039 k1.full = dfixed_const(40);
3040 c = 3;
3041 } else {
3042 k1.full = dfixed_const(20);
3043 c = 1;
3044 }
3045 } else {
3046 k1.full = dfixed_const(40);
3047 c = 3;
3048 }
3049
3050 temp_ff.full = dfixed_const(2);
3051 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3052 temp_ff.full = dfixed_const(c);
3053 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3054 temp_ff.full = dfixed_const(4);
3055 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3056 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3057 mc_latency_mclk.full += k1.full;
3058
3059 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3060 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3061
3062 /*
3063 HW cursor time assuming worst case of full size colour cursor.
3064 */
3065 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3066 temp_ff.full += trcd_ff.full;
3067 if (temp_ff.full < tras_ff.full)
3068 temp_ff.full = tras_ff.full;
3069 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3070
3071 temp_ff.full = dfixed_const(cur_size);
3072 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3073 /*
3074 Find the total latency for the display data.
3075 */
3076 disp_latency_overhead.full = dfixed_const(8);
3077 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3078 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3079 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3080
3081 if (mc_latency_mclk.full > mc_latency_sclk.full)
3082 disp_latency.full = mc_latency_mclk.full;
3083 else
3084 disp_latency.full = mc_latency_sclk.full;
3085
3086 /* setup Max GRPH_STOP_REQ default value */
3087 if (ASIC_IS_RV100(rdev))
3088 max_stop_req = 0x5c;
3089 else
3090 max_stop_req = 0x7c;
3091
3092 if (mode1) {
3093 /* CRTC1
3094 Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3095 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3096 */
3097 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3098
3099 if (stop_req > max_stop_req)
3100 stop_req = max_stop_req;
3101
3102 /*
3103 Find the drain rate of the display buffer.
3104 */
3105 temp_ff.full = dfixed_const((16/pixel_bytes1));
3106 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3107
3108 /*
3109 Find the critical point of the display buffer.
3110 */
3111 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3112 crit_point_ff.full += dfixed_const_half(0);
3113
3114 critical_point = dfixed_trunc(crit_point_ff);
3115
3116 if (rdev->disp_priority == 2) {
3117 critical_point = 0;
3118 }
3119
3120 /*
3121 The critical point should never be above max_stop_req-4. Setting
3122 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3123 */
3124 if (max_stop_req - critical_point < 4)
3125 critical_point = 0;
3126
3127 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3128 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3129 critical_point = 0x10;
3130 }
3131
3132 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3133 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3134 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3135 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3136 if ((rdev->family == CHIP_R350) &&
3137 (stop_req > 0x15)) {
3138 stop_req -= 0x10;
3139 }
3140 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3141 temp |= RADEON_GRPH_BUFFER_SIZE;
3142 temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
3143 RADEON_GRPH_CRITICAL_AT_SOF |
3144 RADEON_GRPH_STOP_CNTL);
3145 /*
3146 Write the result into the register.
3147 */
3148 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3149 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3150
3151 #if 0
3152 if ((rdev->family == CHIP_RS400) ||
3153 (rdev->family == CHIP_RS480)) {
3154 /* attempt to program RS400 disp regs correctly ??? */
3155 temp = RREG32(RS400_DISP1_REG_CNTL);
3156 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3157 RS400_DISP1_STOP_REQ_LEVEL_MASK);
3158 WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3159 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3160 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3161 temp = RREG32(RS400_DMIF_MEM_CNTL1);
3162 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3163 RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3164 WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3165 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3166 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3167 }
3168 #endif
3169
3170 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3171 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
3172 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3173 }
3174
3175 if (mode2) {
3176 u32 grph2_cntl;
3177 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3178
3179 if (stop_req > max_stop_req)
3180 stop_req = max_stop_req;
3181
3182 /*
3183 Find the drain rate of the display buffer.
3184 */
3185 temp_ff.full = dfixed_const((16/pixel_bytes2));
3186 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3187
3188 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3189 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3190 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3191 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3192 if ((rdev->family == CHIP_R350) &&
3193 (stop_req > 0x15)) {
3194 stop_req -= 0x10;
3195 }
3196 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3197 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3198 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
3199 RADEON_GRPH_CRITICAL_AT_SOF |
3200 RADEON_GRPH_STOP_CNTL);
3201
3202 if ((rdev->family == CHIP_RS100) ||
3203 (rdev->family == CHIP_RS200))
3204 critical_point2 = 0;
3205 else {
3206 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3207 temp_ff.full = dfixed_const(temp);
3208 temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3209 if (sclk_ff.full < temp_ff.full)
3210 temp_ff.full = sclk_ff.full;
3211
3212 read_return_rate.full = temp_ff.full;
3213
3214 if (mode1) {
3215 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3216 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3217 } else {
3218 time_disp1_drop_priority.full = 0;
3219 }
3220 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3221 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3222 crit_point_ff.full += dfixed_const_half(0);
3223
3224 critical_point2 = dfixed_trunc(crit_point_ff);
3225
3226 if (rdev->disp_priority == 2) {
3227 critical_point2 = 0;
3228 }
3229
3230 if (max_stop_req - critical_point2 < 4)
3231 critical_point2 = 0;
3232
3233 }
3234
3235 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3236 /* some R300 cards have problem with this set to 0 */
3237 critical_point2 = 0x10;
3238 }
3239
3240 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3241 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3242
3243 if ((rdev->family == CHIP_RS400) ||
3244 (rdev->family == CHIP_RS480)) {
3245 #if 0
3246 /* attempt to program RS400 disp2 regs correctly ??? */
3247 temp = RREG32(RS400_DISP2_REQ_CNTL1);
3248 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3249 RS400_DISP2_STOP_REQ_LEVEL_MASK);
3250 WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3251 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3252 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3253 temp = RREG32(RS400_DISP2_REQ_CNTL2);
3254 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3255 RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3256 WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3257 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3258 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3259 #endif
3260 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3261 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3262 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
3263 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3264 }
3265
3266 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3267 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3268 }
3269 }
3270
3271 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
3272 {
3273 DRM_ERROR("pitch %d\n", t->pitch);
3274 DRM_ERROR("use_pitch %d\n", t->use_pitch);
3275 DRM_ERROR("width %d\n", t->width);
3276 DRM_ERROR("width_11 %d\n", t->width_11);
3277 DRM_ERROR("height %d\n", t->height);
3278 DRM_ERROR("height_11 %d\n", t->height_11);
3279 DRM_ERROR("num levels %d\n", t->num_levels);
3280 DRM_ERROR("depth %d\n", t->txdepth);
3281 DRM_ERROR("bpp %d\n", t->cpp);
3282 DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
3283 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
3284 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
3285 DRM_ERROR("compress format %d\n", t->compress_format);
3286 }
3287
3288 static int r100_track_compress_size(int compress_format, int w, int h)
3289 {
3290 int block_width, block_height, block_bytes;
3291 int wblocks, hblocks;
3292 int min_wblocks;
3293 int sz;
3294
3295 block_width = 4;
3296 block_height = 4;
3297
3298 switch (compress_format) {
3299 case R100_TRACK_COMP_DXT1:
3300 block_bytes = 8;
3301 min_wblocks = 4;
3302 break;
3303 default:
3304 case R100_TRACK_COMP_DXT35:
3305 block_bytes = 16;
3306 min_wblocks = 2;
3307 break;
3308 }
3309
3310 hblocks = (h + block_height - 1) / block_height;
3311 wblocks = (w + block_width - 1) / block_width;
3312 if (wblocks < min_wblocks)
3313 wblocks = min_wblocks;
3314 sz = wblocks * hblocks * block_bytes;
3315 return sz;
3316 }
3317
3318 static int r100_cs_track_cube(struct radeon_device *rdev,
3319 struct r100_cs_track *track, unsigned idx)
3320 {
3321 unsigned face, w, h;
3322 struct radeon_bo *cube_robj;
3323 unsigned long size;
3324 unsigned compress_format = track->textures[idx].compress_format;
3325
3326 for (face = 0; face < 5; face++) {
3327 cube_robj = track->textures[idx].cube_info[face].robj;
3328 w = track->textures[idx].cube_info[face].width;
3329 h = track->textures[idx].cube_info[face].height;
3330
3331 if (compress_format) {
3332 size = r100_track_compress_size(compress_format, w, h);
3333 } else
3334 size = w * h;
3335 size *= track->textures[idx].cpp;
3336
3337 size += track->textures[idx].cube_info[face].offset;
3338
3339 if (size > radeon_bo_size(cube_robj)) {
3340 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
3341 size, radeon_bo_size(cube_robj));
3342 r100_cs_track_texture_print(&track->textures[idx]);
3343 return -1;
3344 }
3345 }
3346 return 0;
3347 }
3348
3349 static int r100_cs_track_texture_check(struct radeon_device *rdev,
3350 struct r100_cs_track *track)
3351 {
3352 struct radeon_bo *robj;
3353 unsigned long size;
3354 unsigned u, i, w, h, d;
3355 int ret;
3356
3357 for (u = 0; u < track->num_texture; u++) {
3358 if (!track->textures[u].enabled)
3359 continue;
3360 if (track->textures[u].lookup_disable)
3361 continue;
3362 robj = track->textures[u].robj;
3363 if (robj == NULL) {
3364 DRM_ERROR("No texture bound to unit %u\n", u);
3365 return -EINVAL;
3366 }
3367 size = 0;
3368 for (i = 0; i <= track->textures[u].num_levels; i++) {
3369 if (track->textures[u].use_pitch) {
3370 if (rdev->family < CHIP_R300)
3371 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
3372 else
3373 w = track->textures[u].pitch / (1 << i);
3374 } else {
3375 w = track->textures[u].width;
3376 if (rdev->family >= CHIP_RV515)
3377 w |= track->textures[u].width_11;
3378 w = w / (1 << i);
3379 if (track->textures[u].roundup_w)
3380 w = roundup_pow_of_two(w);
3381 }
3382 h = track->textures[u].height;
3383 if (rdev->family >= CHIP_RV515)
3384 h |= track->textures[u].height_11;
3385 h = h / (1 << i);
3386 if (track->textures[u].roundup_h)
3387 h = roundup_pow_of_two(h);
3388 if (track->textures[u].tex_coord_type == 1) {
3389 d = (1 << track->textures[u].txdepth) / (1 << i);
3390 if (!d)
3391 d = 1;
3392 } else {
3393 d = 1;
3394 }
3395 if (track->textures[u].compress_format) {
3396
3397 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
3398 /* compressed textures are block based */
3399 } else
3400 size += w * h * d;
3401 }
3402 size *= track->textures[u].cpp;
3403
3404 switch (track->textures[u].tex_coord_type) {
3405 case 0:
3406 case 1:
3407 break;
3408 case 2:
3409 if (track->separate_cube) {
3410 ret = r100_cs_track_cube(rdev, track, u);
3411 if (ret)
3412 return ret;
3413 } else
3414 size *= 6;
3415 break;
3416 default:
3417 DRM_ERROR("Invalid texture coordinate type %u for unit "
3418 "%u\n", track->textures[u].tex_coord_type, u);
3419 return -EINVAL;
3420 }
3421 if (size > radeon_bo_size(robj)) {
3422 DRM_ERROR("Texture of unit %u needs %lu bytes but is "
3423 "%lu\n", u, size, radeon_bo_size(robj));
3424 r100_cs_track_texture_print(&track->textures[u]);
3425 return -EINVAL;
3426 }
3427 }
3428 return 0;
3429 }
3430
3431 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
3432 {
3433 unsigned i;
3434 unsigned long size;
3435 unsigned prim_walk;
3436 unsigned nverts;
3437 unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
3438
3439 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
3440 !track->blend_read_enable)
3441 num_cb = 0;
3442
3443 for (i = 0; i < num_cb; i++) {
3444 if (track->cb[i].robj == NULL) {
3445 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
3446 return -EINVAL;
3447 }
3448 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
3449 size += track->cb[i].offset;
3450 if (size > radeon_bo_size(track->cb[i].robj)) {
3451 DRM_ERROR("[drm] Buffer too small for color buffer %d "
3452 "(need %lu have %lu) !\n", i, size,
3453 radeon_bo_size(track->cb[i].robj));
3454 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
3455 i, track->cb[i].pitch, track->cb[i].cpp,
3456 track->cb[i].offset, track->maxy);
3457 return -EINVAL;
3458 }
3459 }
3460 track->cb_dirty = false;
3461
3462 if (track->zb_dirty && track->z_enabled) {
3463 if (track->zb.robj == NULL) {
3464 DRM_ERROR("[drm] No buffer for z buffer !\n");
3465 return -EINVAL;
3466 }
3467 size = track->zb.pitch * track->zb.cpp * track->maxy;
3468 size += track->zb.offset;
3469 if (size > radeon_bo_size(track->zb.robj)) {
3470 DRM_ERROR("[drm] Buffer too small for z buffer "
3471 "(need %lu have %lu) !\n", size,
3472 radeon_bo_size(track->zb.robj));
3473 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
3474 track->zb.pitch, track->zb.cpp,
3475 track->zb.offset, track->maxy);
3476 return -EINVAL;
3477 }
3478 }
3479 track->zb_dirty = false;
3480
3481 if (track->aa_dirty && track->aaresolve) {
3482 if (track->aa.robj == NULL) {
3483 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
3484 return -EINVAL;
3485 }
3486 /* I believe the format comes from colorbuffer0. */
3487 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
3488 size += track->aa.offset;
3489 if (size > radeon_bo_size(track->aa.robj)) {
3490 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
3491 "(need %lu have %lu) !\n", i, size,
3492 radeon_bo_size(track->aa.robj));
3493 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
3494 i, track->aa.pitch, track->cb[0].cpp,
3495 track->aa.offset, track->maxy);
3496 return -EINVAL;
3497 }
3498 }
3499 track->aa_dirty = false;
3500
3501 prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
3502 if (track->vap_vf_cntl & (1 << 14)) {
3503 nverts = track->vap_alt_nverts;
3504 } else {
3505 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
3506 }
3507 switch (prim_walk) {
3508 case 1:
3509 for (i = 0; i < track->num_arrays; i++) {
3510 size = track->arrays[i].esize * track->max_indx * 4;
3511 if (track->arrays[i].robj == NULL) {
3512 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3513 "bound\n", prim_walk, i);
3514 return -EINVAL;
3515 }
3516 if (size > radeon_bo_size(track->arrays[i].robj)) {
3517 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3518 "need %lu dwords have %lu dwords\n",
3519 prim_walk, i, size >> 2,
3520 radeon_bo_size(track->arrays[i].robj)
3521 >> 2);
3522 DRM_ERROR("Max indices %u\n", track->max_indx);
3523 return -EINVAL;
3524 }
3525 }
3526 break;
3527 case 2:
3528 for (i = 0; i < track->num_arrays; i++) {
3529 size = track->arrays[i].esize * (nverts - 1) * 4;
3530 if (track->arrays[i].robj == NULL) {
3531 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3532 "bound\n", prim_walk, i);
3533 return -EINVAL;
3534 }
3535 if (size > radeon_bo_size(track->arrays[i].robj)) {
3536 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3537 "need %lu dwords have %lu dwords\n",
3538 prim_walk, i, size >> 2,
3539 radeon_bo_size(track->arrays[i].robj)
3540 >> 2);
3541 return -EINVAL;
3542 }
3543 }
3544 break;
3545 case 3:
3546 size = track->vtx_size * nverts;
3547 if (size != track->immd_dwords) {
3548 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
3549 track->immd_dwords, size);
3550 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
3551 nverts, track->vtx_size);
3552 return -EINVAL;
3553 }
3554 break;
3555 default:
3556 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
3557 prim_walk);
3558 return -EINVAL;
3559 }
3560
3561 if (track->tex_dirty) {
3562 track->tex_dirty = false;
3563 return r100_cs_track_texture_check(rdev, track);
3564 }
3565 return 0;
3566 }
3567
3568 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
3569 {
3570 unsigned i, face;
3571
3572 track->cb_dirty = true;
3573 track->zb_dirty = true;
3574 track->tex_dirty = true;
3575 track->aa_dirty = true;
3576
3577 if (rdev->family < CHIP_R300) {
3578 track->num_cb = 1;
3579 if (rdev->family <= CHIP_RS200)
3580 track->num_texture = 3;
3581 else
3582 track->num_texture = 6;
3583 track->maxy = 2048;
3584 track->separate_cube = 1;
3585 } else {
3586 track->num_cb = 4;
3587 track->num_texture = 16;
3588 track->maxy = 4096;
3589 track->separate_cube = 0;
3590 track->aaresolve = false;
3591 track->aa.robj = NULL;
3592 }
3593
3594 for (i = 0; i < track->num_cb; i++) {
3595 track->cb[i].robj = NULL;
3596 track->cb[i].pitch = 8192;
3597 track->cb[i].cpp = 16;
3598 track->cb[i].offset = 0;
3599 }
3600 track->z_enabled = true;
3601 track->zb.robj = NULL;
3602 track->zb.pitch = 8192;
3603 track->zb.cpp = 4;
3604 track->zb.offset = 0;
3605 track->vtx_size = 0x7F;
3606 track->immd_dwords = 0xFFFFFFFFUL;
3607 track->num_arrays = 11;
3608 track->max_indx = 0x00FFFFFFUL;
3609 for (i = 0; i < track->num_arrays; i++) {
3610 track->arrays[i].robj = NULL;
3611 track->arrays[i].esize = 0x7F;
3612 }
3613 for (i = 0; i < track->num_texture; i++) {
3614 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
3615 track->textures[i].pitch = 16536;
3616 track->textures[i].width = 16536;
3617 track->textures[i].height = 16536;
3618 track->textures[i].width_11 = 1 << 11;
3619 track->textures[i].height_11 = 1 << 11;
3620 track->textures[i].num_levels = 12;
3621 if (rdev->family <= CHIP_RS200) {
3622 track->textures[i].tex_coord_type = 0;
3623 track->textures[i].txdepth = 0;
3624 } else {
3625 track->textures[i].txdepth = 16;
3626 track->textures[i].tex_coord_type = 1;
3627 }
3628 track->textures[i].cpp = 64;
3629 track->textures[i].robj = NULL;
3630 /* CS IB emission code makes sure texture unit are disabled */
3631 track->textures[i].enabled = false;
3632 track->textures[i].lookup_disable = false;
3633 track->textures[i].roundup_w = true;
3634 track->textures[i].roundup_h = true;
3635 if (track->separate_cube)
3636 for (face = 0; face < 5; face++) {
3637 track->textures[i].cube_info[face].robj = NULL;
3638 track->textures[i].cube_info[face].width = 16536;
3639 track->textures[i].cube_info[face].height = 16536;
3640 track->textures[i].cube_info[face].offset = 0;
3641 }
3642 }
3643 }
3644
3645 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3646 {
3647 uint32_t scratch;
3648 uint32_t tmp = 0;
3649 unsigned i;
3650 int r;
3651
3652 r = radeon_scratch_get(rdev, &scratch);
3653 if (r) {
3654 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3655 return r;
3656 }
3657 WREG32(scratch, 0xCAFEDEAD);
3658 r = radeon_ring_lock(rdev, ring, 2);
3659 if (r) {
3660 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3661 radeon_scratch_free(rdev, scratch);
3662 return r;
3663 }
3664 radeon_ring_write(ring, PACKET0(scratch, 0));
3665 radeon_ring_write(ring, 0xDEADBEEF);
3666 radeon_ring_unlock_commit(rdev, ring);
3667 for (i = 0; i < rdev->usec_timeout; i++) {
3668 tmp = RREG32(scratch);
3669 if (tmp == 0xDEADBEEF) {
3670 break;
3671 }
3672 DRM_UDELAY(1);
3673 }
3674 if (i < rdev->usec_timeout) {
3675 DRM_INFO("ring test succeeded in %d usecs\n", i);
3676 } else {
3677 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3678 scratch, tmp);
3679 r = -EINVAL;
3680 }
3681 radeon_scratch_free(rdev, scratch);
3682 return r;
3683 }
3684
3685 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3686 {
3687 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3688
3689 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3690 radeon_ring_write(ring, ib->gpu_addr);
3691 radeon_ring_write(ring, ib->length_dw);
3692 }
3693
3694 int r100_ib_test(struct radeon_device *rdev)
3695 {
3696 struct radeon_ib *ib;
3697 uint32_t scratch;
3698 uint32_t tmp = 0;
3699 unsigned i;
3700 int r;
3701
3702 r = radeon_scratch_get(rdev, &scratch);
3703 if (r) {
3704 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3705 return r;
3706 }
3707 WREG32(scratch, 0xCAFEDEAD);
3708 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, 256);
3709 if (r) {
3710 return r;
3711 }
3712 ib->ptr[0] = PACKET0(scratch, 0);
3713 ib->ptr[1] = 0xDEADBEEF;
3714 ib->ptr[2] = PACKET2(0);
3715 ib->ptr[3] = PACKET2(0);
3716 ib->ptr[4] = PACKET2(0);
3717 ib->ptr[5] = PACKET2(0);
3718 ib->ptr[6] = PACKET2(0);
3719 ib->ptr[7] = PACKET2(0);
3720 ib->length_dw = 8;
3721 r = radeon_ib_schedule(rdev, ib);
3722 if (r) {
3723 radeon_scratch_free(rdev, scratch);
3724 radeon_ib_free(rdev, &ib);
3725 return r;
3726 }
3727 r = radeon_fence_wait(ib->fence, false);
3728 if (r) {
3729 return r;
3730 }
3731 for (i = 0; i < rdev->usec_timeout; i++) {
3732 tmp = RREG32(scratch);
3733 if (tmp == 0xDEADBEEF) {
3734 break;
3735 }
3736 DRM_UDELAY(1);
3737 }
3738 if (i < rdev->usec_timeout) {
3739 DRM_INFO("ib test succeeded in %u usecs\n", i);
3740 } else {
3741 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3742 scratch, tmp);
3743 r = -EINVAL;
3744 }
3745 radeon_scratch_free(rdev, scratch);
3746 radeon_ib_free(rdev, &ib);
3747 return r;
3748 }
3749
3750 void r100_ib_fini(struct radeon_device *rdev)
3751 {
3752 radeon_ib_pool_suspend(rdev);
3753 radeon_ib_pool_fini(rdev);
3754 }
3755
3756 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3757 {
3758 /* Shutdown CP we shouldn't need to do that but better be safe than
3759 * sorry
3760 */
3761 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3762 WREG32(R_000740_CP_CSQ_CNTL, 0);
3763
3764 /* Save few CRTC registers */
3765 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3766 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3767 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3768 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3769 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3770 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3771 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3772 }
3773
3774 /* Disable VGA aperture access */
3775 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3776 /* Disable cursor, overlay, crtc */
3777 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3778 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3779 S_000054_CRTC_DISPLAY_DIS(1));
3780 WREG32(R_000050_CRTC_GEN_CNTL,
3781 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3782 S_000050_CRTC_DISP_REQ_EN_B(1));
3783 WREG32(R_000420_OV0_SCALE_CNTL,
3784 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3785 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3786 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3787 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3788 S_000360_CUR2_LOCK(1));
3789 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3790 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3791 S_0003F8_CRTC2_DISPLAY_DIS(1) |
3792 S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3793 WREG32(R_000360_CUR2_OFFSET,
3794 C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3795 }
3796 }
3797
3798 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3799 {
3800 /* Update base address for crtc */
3801 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3802 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3803 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3804 }
3805 /* Restore CRTC registers */
3806 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3807 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3808 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3809 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3810 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3811 }
3812 }
3813
3814 void r100_vga_render_disable(struct radeon_device *rdev)
3815 {
3816 u32 tmp;
3817
3818 tmp = RREG8(R_0003C2_GENMO_WT);
3819 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3820 }
3821
3822 static void r100_debugfs(struct radeon_device *rdev)
3823 {
3824 int r;
3825
3826 r = r100_debugfs_mc_info_init(rdev);
3827 if (r)
3828 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3829 }
3830
3831 static void r100_mc_program(struct radeon_device *rdev)
3832 {
3833 struct r100_mc_save save;
3834
3835 /* Stops all mc clients */
3836 r100_mc_stop(rdev, &save);
3837 if (rdev->flags & RADEON_IS_AGP) {
3838 WREG32(R_00014C_MC_AGP_LOCATION,
3839 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3840 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3841 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3842 if (rdev->family > CHIP_RV200)
3843 WREG32(R_00015C_AGP_BASE_2,
3844 upper_32_bits(rdev->mc.agp_base) & 0xff);
3845 } else {
3846 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3847 WREG32(R_000170_AGP_BASE, 0);
3848 if (rdev->family > CHIP_RV200)
3849 WREG32(R_00015C_AGP_BASE_2, 0);
3850 }
3851 /* Wait for mc idle */
3852 if (r100_mc_wait_for_idle(rdev))
3853 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3854 /* Program MC, should be a 32bits limited address space */
3855 WREG32(R_000148_MC_FB_LOCATION,
3856 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3857 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3858 r100_mc_resume(rdev, &save);
3859 }
3860
3861 void r100_clock_startup(struct radeon_device *rdev)
3862 {
3863 u32 tmp;
3864
3865 if (radeon_dynclks != -1 && radeon_dynclks)
3866 radeon_legacy_set_clock_gating(rdev, 1);
3867 /* We need to force on some of the block */
3868 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3869 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3870 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3871 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3872 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3873 }
3874
3875 static int r100_startup(struct radeon_device *rdev)
3876 {
3877 int r;
3878
3879 /* set common regs */
3880 r100_set_common_regs(rdev);
3881 /* program mc */
3882 r100_mc_program(rdev);
3883 /* Resume clock */
3884 r100_clock_startup(rdev);
3885 /* Initialize GART (initialize after TTM so we can allocate
3886 * memory through TTM but finalize after TTM) */
3887 r100_enable_bm(rdev);
3888 if (rdev->flags & RADEON_IS_PCI) {
3889 r = r100_pci_gart_enable(rdev);
3890 if (r)
3891 return r;
3892 }
3893
3894 /* allocate wb buffer */
3895 r = radeon_wb_init(rdev);
3896 if (r)
3897 return r;
3898
3899 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3900 if (r) {
3901 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3902 return r;
3903 }
3904
3905 /* Enable IRQ */
3906 r100_irq_set(rdev);
3907 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3908 /* 1M ring buffer */
3909 r = r100_cp_init(rdev, 1024 * 1024);
3910 if (r) {
3911 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3912 return r;
3913 }
3914
3915 r = radeon_ib_pool_start(rdev);
3916 if (r)
3917 return r;
3918
3919 r = r100_ib_test(rdev);
3920 if (r) {
3921 dev_err(rdev->dev, "failed testing IB (%d).\n", r);
3922 rdev->accel_working = false;
3923 return r;
3924 }
3925
3926 return 0;
3927 }
3928
3929 int r100_resume(struct radeon_device *rdev)
3930 {
3931 int r;
3932
3933 /* Make sur GART are not working */
3934 if (rdev->flags & RADEON_IS_PCI)
3935 r100_pci_gart_disable(rdev);
3936 /* Resume clock before doing reset */
3937 r100_clock_startup(rdev);
3938 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3939 if (radeon_asic_reset(rdev)) {
3940 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3941 RREG32(R_000E40_RBBM_STATUS),
3942 RREG32(R_0007C0_CP_STAT));
3943 }
3944 /* post */
3945 radeon_combios_asic_init(rdev->ddev);
3946 /* Resume clock after posting */
3947 r100_clock_startup(rdev);
3948 /* Initialize surface registers */
3949 radeon_surface_init(rdev);
3950
3951 rdev->accel_working = true;
3952 r = r100_startup(rdev);
3953 if (r) {
3954 rdev->accel_working = false;
3955 }
3956 return r;
3957 }
3958
3959 int r100_suspend(struct radeon_device *rdev)
3960 {
3961 radeon_ib_pool_suspend(rdev);
3962 r100_cp_disable(rdev);
3963 radeon_wb_disable(rdev);
3964 r100_irq_disable(rdev);
3965 if (rdev->flags & RADEON_IS_PCI)
3966 r100_pci_gart_disable(rdev);
3967 return 0;
3968 }
3969
3970 void r100_fini(struct radeon_device *rdev)
3971 {
3972 r100_cp_fini(rdev);
3973 radeon_wb_fini(rdev);
3974 r100_ib_fini(rdev);
3975 radeon_gem_fini(rdev);
3976 if (rdev->flags & RADEON_IS_PCI)
3977 r100_pci_gart_fini(rdev);
3978 radeon_agp_fini(rdev);
3979 radeon_irq_kms_fini(rdev);
3980 radeon_fence_driver_fini(rdev);
3981 radeon_bo_fini(rdev);
3982 radeon_atombios_fini(rdev);
3983 kfree(rdev->bios);
3984 rdev->bios = NULL;
3985 }
3986
3987 /*
3988 * Due to how kexec works, it can leave the hw fully initialised when it
3989 * boots the new kernel. However doing our init sequence with the CP and
3990 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
3991 * do some quick sanity checks and restore sane values to avoid this
3992 * problem.
3993 */
3994 void r100_restore_sanity(struct radeon_device *rdev)
3995 {
3996 u32 tmp;
3997
3998 tmp = RREG32(RADEON_CP_CSQ_CNTL);
3999 if (tmp) {
4000 WREG32(RADEON_CP_CSQ_CNTL, 0);
4001 }
4002 tmp = RREG32(RADEON_CP_RB_CNTL);
4003 if (tmp) {
4004 WREG32(RADEON_CP_RB_CNTL, 0);
4005 }
4006 tmp = RREG32(RADEON_SCRATCH_UMSK);
4007 if (tmp) {
4008 WREG32(RADEON_SCRATCH_UMSK, 0);
4009 }
4010 }
4011
4012 int r100_init(struct radeon_device *rdev)
4013 {
4014 int r;
4015
4016 /* Register debugfs file specific to this group of asics */
4017 r100_debugfs(rdev);
4018 /* Disable VGA */
4019 r100_vga_render_disable(rdev);
4020 /* Initialize scratch registers */
4021 radeon_scratch_init(rdev);
4022 /* Initialize surface registers */
4023 radeon_surface_init(rdev);
4024 /* sanity check some register to avoid hangs like after kexec */
4025 r100_restore_sanity(rdev);
4026 /* TODO: disable VGA need to use VGA request */
4027 /* BIOS*/
4028 if (!radeon_get_bios(rdev)) {
4029 if (ASIC_IS_AVIVO(rdev))
4030 return -EINVAL;
4031 }
4032 if (rdev->is_atom_bios) {
4033 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4034 return -EINVAL;
4035 } else {
4036 r = radeon_combios_init(rdev);
4037 if (r)
4038 return r;
4039 }
4040 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4041 if (radeon_asic_reset(rdev)) {
4042 dev_warn(rdev->dev,
4043 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4044 RREG32(R_000E40_RBBM_STATUS),
4045 RREG32(R_0007C0_CP_STAT));
4046 }
4047 /* check if cards are posted or not */
4048 if (radeon_boot_test_post_card(rdev) == false)
4049 return -EINVAL;
4050 /* Set asic errata */
4051 r100_errata(rdev);
4052 /* Initialize clocks */
4053 radeon_get_clock_info(rdev->ddev);
4054 /* initialize AGP */
4055 if (rdev->flags & RADEON_IS_AGP) {
4056 r = radeon_agp_init(rdev);
4057 if (r) {
4058 radeon_agp_disable(rdev);
4059 }
4060 }
4061 /* initialize VRAM */
4062 r100_mc_init(rdev);
4063 /* Fence driver */
4064 r = radeon_fence_driver_init(rdev);
4065 if (r)
4066 return r;
4067 r = radeon_irq_kms_init(rdev);
4068 if (r)
4069 return r;
4070 /* Memory manager */
4071 r = radeon_bo_init(rdev);
4072 if (r)
4073 return r;
4074 if (rdev->flags & RADEON_IS_PCI) {
4075 r = r100_pci_gart_init(rdev);
4076 if (r)
4077 return r;
4078 }
4079 r100_set_safe_registers(rdev);
4080
4081 r = radeon_ib_pool_init(rdev);
4082 rdev->accel_working = true;
4083 if (r) {
4084 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
4085 rdev->accel_working = false;
4086 }
4087
4088 r = r100_startup(rdev);
4089 if (r) {
4090 /* Somethings want wront with the accel init stop accel */
4091 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4092 r100_cp_fini(rdev);
4093 radeon_wb_fini(rdev);
4094 r100_ib_fini(rdev);
4095 radeon_irq_kms_fini(rdev);
4096 if (rdev->flags & RADEON_IS_PCI)
4097 r100_pci_gart_fini(rdev);
4098 rdev->accel_working = false;
4099 }
4100 return 0;
4101 }
4102
4103 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
4104 {
4105 if (reg < rdev->rmmio_size)
4106 return readl(((void __iomem *)rdev->rmmio) + reg);
4107 else {
4108 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4109 return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4110 }
4111 }
4112
4113 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4114 {
4115 if (reg < rdev->rmmio_size)
4116 writel(v, ((void __iomem *)rdev->rmmio) + reg);
4117 else {
4118 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4119 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4120 }
4121 }
4122
4123 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4124 {
4125 if (reg < rdev->rio_mem_size)
4126 return ioread32(rdev->rio_mem + reg);
4127 else {
4128 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4129 return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4130 }
4131 }
4132
4133 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4134 {
4135 if (reg < rdev->rio_mem_size)
4136 iowrite32(v, rdev->rio_mem + reg);
4137 else {
4138 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4139 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4140 }
4141 }