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Merge tag 'for-linus' of git://github.com/prasad-joshi/logfs_upstream
[deliverable/linux.git] / drivers / gpu / drm / radeon / r100.c
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #include <linux/seq_file.h>
29 #include <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 * and others in some cases.
71 */
72
73 /**
74 * r100_wait_for_vblank - vblank wait asic callback.
75 *
76 * @rdev: radeon_device pointer
77 * @crtc: crtc to wait for vblank on
78 *
79 * Wait for vblank on the requested crtc (r1xx-r4xx).
80 */
81 void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
82 {
83 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
84 int i;
85
86 if (radeon_crtc->crtc_id == 0) {
87 if (RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN) {
88 for (i = 0; i < rdev->usec_timeout; i++) {
89 if (!(RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR))
90 break;
91 udelay(1);
92 }
93 for (i = 0; i < rdev->usec_timeout; i++) {
94 if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
95 break;
96 udelay(1);
97 }
98 }
99 } else {
100 if (RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN) {
101 for (i = 0; i < rdev->usec_timeout; i++) {
102 if (!(RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR))
103 break;
104 udelay(1);
105 }
106 for (i = 0; i < rdev->usec_timeout; i++) {
107 if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
108 break;
109 udelay(1);
110 }
111 }
112 }
113 }
114
115 /**
116 * r100_pre_page_flip - pre-pageflip callback.
117 *
118 * @rdev: radeon_device pointer
119 * @crtc: crtc to prepare for pageflip on
120 *
121 * Pre-pageflip callback (r1xx-r4xx).
122 * Enables the pageflip irq (vblank irq).
123 */
124 void r100_pre_page_flip(struct radeon_device *rdev, int crtc)
125 {
126 /* enable the pflip int */
127 radeon_irq_kms_pflip_irq_get(rdev, crtc);
128 }
129
130 /**
131 * r100_post_page_flip - pos-pageflip callback.
132 *
133 * @rdev: radeon_device pointer
134 * @crtc: crtc to cleanup pageflip on
135 *
136 * Post-pageflip callback (r1xx-r4xx).
137 * Disables the pageflip irq (vblank irq).
138 */
139 void r100_post_page_flip(struct radeon_device *rdev, int crtc)
140 {
141 /* disable the pflip int */
142 radeon_irq_kms_pflip_irq_put(rdev, crtc);
143 }
144
145 /**
146 * r100_page_flip - pageflip callback.
147 *
148 * @rdev: radeon_device pointer
149 * @crtc_id: crtc to cleanup pageflip on
150 * @crtc_base: new address of the crtc (GPU MC address)
151 *
152 * Does the actual pageflip (r1xx-r4xx).
153 * During vblank we take the crtc lock and wait for the update_pending
154 * bit to go high, when it does, we release the lock, and allow the
155 * double buffered update to take place.
156 * Returns the current update pending status.
157 */
158 u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
159 {
160 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
161 u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
162 int i;
163
164 /* Lock the graphics update lock */
165 /* update the scanout addresses */
166 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
167
168 /* Wait for update_pending to go high. */
169 for (i = 0; i < rdev->usec_timeout; i++) {
170 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
171 break;
172 udelay(1);
173 }
174 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
175
176 /* Unlock the lock, so double-buffering can take place inside vblank */
177 tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
178 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
179
180 /* Return current update_pending status: */
181 return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET;
182 }
183
184 /**
185 * r100_pm_get_dynpm_state - look up dynpm power state callback.
186 *
187 * @rdev: radeon_device pointer
188 *
189 * Look up the optimal power state based on the
190 * current state of the GPU (r1xx-r5xx).
191 * Used for dynpm only.
192 */
193 void r100_pm_get_dynpm_state(struct radeon_device *rdev)
194 {
195 int i;
196 rdev->pm.dynpm_can_upclock = true;
197 rdev->pm.dynpm_can_downclock = true;
198
199 switch (rdev->pm.dynpm_planned_action) {
200 case DYNPM_ACTION_MINIMUM:
201 rdev->pm.requested_power_state_index = 0;
202 rdev->pm.dynpm_can_downclock = false;
203 break;
204 case DYNPM_ACTION_DOWNCLOCK:
205 if (rdev->pm.current_power_state_index == 0) {
206 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
207 rdev->pm.dynpm_can_downclock = false;
208 } else {
209 if (rdev->pm.active_crtc_count > 1) {
210 for (i = 0; i < rdev->pm.num_power_states; i++) {
211 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
212 continue;
213 else if (i >= rdev->pm.current_power_state_index) {
214 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
215 break;
216 } else {
217 rdev->pm.requested_power_state_index = i;
218 break;
219 }
220 }
221 } else
222 rdev->pm.requested_power_state_index =
223 rdev->pm.current_power_state_index - 1;
224 }
225 /* don't use the power state if crtcs are active and no display flag is set */
226 if ((rdev->pm.active_crtc_count > 0) &&
227 (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
228 RADEON_PM_MODE_NO_DISPLAY)) {
229 rdev->pm.requested_power_state_index++;
230 }
231 break;
232 case DYNPM_ACTION_UPCLOCK:
233 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
234 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
235 rdev->pm.dynpm_can_upclock = false;
236 } else {
237 if (rdev->pm.active_crtc_count > 1) {
238 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
239 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
240 continue;
241 else if (i <= rdev->pm.current_power_state_index) {
242 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
243 break;
244 } else {
245 rdev->pm.requested_power_state_index = i;
246 break;
247 }
248 }
249 } else
250 rdev->pm.requested_power_state_index =
251 rdev->pm.current_power_state_index + 1;
252 }
253 break;
254 case DYNPM_ACTION_DEFAULT:
255 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
256 rdev->pm.dynpm_can_upclock = false;
257 break;
258 case DYNPM_ACTION_NONE:
259 default:
260 DRM_ERROR("Requested mode for not defined action\n");
261 return;
262 }
263 /* only one clock mode per power state */
264 rdev->pm.requested_clock_mode_index = 0;
265
266 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
267 rdev->pm.power_state[rdev->pm.requested_power_state_index].
268 clock_info[rdev->pm.requested_clock_mode_index].sclk,
269 rdev->pm.power_state[rdev->pm.requested_power_state_index].
270 clock_info[rdev->pm.requested_clock_mode_index].mclk,
271 rdev->pm.power_state[rdev->pm.requested_power_state_index].
272 pcie_lanes);
273 }
274
275 /**
276 * r100_pm_init_profile - Initialize power profiles callback.
277 *
278 * @rdev: radeon_device pointer
279 *
280 * Initialize the power states used in profile mode
281 * (r1xx-r3xx).
282 * Used for profile mode only.
283 */
284 void r100_pm_init_profile(struct radeon_device *rdev)
285 {
286 /* default */
287 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
288 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
289 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
290 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
291 /* low sh */
292 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
293 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
294 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
295 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
296 /* mid sh */
297 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
298 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
299 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
300 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
301 /* high sh */
302 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
303 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
304 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
305 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
306 /* low mh */
307 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
308 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
309 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
310 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
311 /* mid mh */
312 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
313 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
314 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
315 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
316 /* high mh */
317 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
318 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
319 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
320 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
321 }
322
323 /**
324 * r100_pm_misc - set additional pm hw parameters callback.
325 *
326 * @rdev: radeon_device pointer
327 *
328 * Set non-clock parameters associated with a power state
329 * (voltage, pcie lanes, etc.) (r1xx-r4xx).
330 */
331 void r100_pm_misc(struct radeon_device *rdev)
332 {
333 int requested_index = rdev->pm.requested_power_state_index;
334 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
335 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
336 u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
337
338 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
339 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
340 tmp = RREG32(voltage->gpio.reg);
341 if (voltage->active_high)
342 tmp |= voltage->gpio.mask;
343 else
344 tmp &= ~(voltage->gpio.mask);
345 WREG32(voltage->gpio.reg, tmp);
346 if (voltage->delay)
347 udelay(voltage->delay);
348 } else {
349 tmp = RREG32(voltage->gpio.reg);
350 if (voltage->active_high)
351 tmp &= ~voltage->gpio.mask;
352 else
353 tmp |= voltage->gpio.mask;
354 WREG32(voltage->gpio.reg, tmp);
355 if (voltage->delay)
356 udelay(voltage->delay);
357 }
358 }
359
360 sclk_cntl = RREG32_PLL(SCLK_CNTL);
361 sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
362 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
363 sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
364 sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
365 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
366 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
367 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
368 sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
369 else
370 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
371 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
372 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
373 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
374 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
375 } else
376 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
377
378 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
379 sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
380 if (voltage->delay) {
381 sclk_more_cntl |= VOLTAGE_DROP_SYNC;
382 switch (voltage->delay) {
383 case 33:
384 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
385 break;
386 case 66:
387 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
388 break;
389 case 99:
390 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
391 break;
392 case 132:
393 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
394 break;
395 }
396 } else
397 sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
398 } else
399 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
400
401 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
402 sclk_cntl &= ~FORCE_HDP;
403 else
404 sclk_cntl |= FORCE_HDP;
405
406 WREG32_PLL(SCLK_CNTL, sclk_cntl);
407 WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
408 WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
409
410 /* set pcie lanes */
411 if ((rdev->flags & RADEON_IS_PCIE) &&
412 !(rdev->flags & RADEON_IS_IGP) &&
413 rdev->asic->pm.set_pcie_lanes &&
414 (ps->pcie_lanes !=
415 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
416 radeon_set_pcie_lanes(rdev,
417 ps->pcie_lanes);
418 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
419 }
420 }
421
422 /**
423 * r100_pm_prepare - pre-power state change callback.
424 *
425 * @rdev: radeon_device pointer
426 *
427 * Prepare for a power state change (r1xx-r4xx).
428 */
429 void r100_pm_prepare(struct radeon_device *rdev)
430 {
431 struct drm_device *ddev = rdev->ddev;
432 struct drm_crtc *crtc;
433 struct radeon_crtc *radeon_crtc;
434 u32 tmp;
435
436 /* disable any active CRTCs */
437 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
438 radeon_crtc = to_radeon_crtc(crtc);
439 if (radeon_crtc->enabled) {
440 if (radeon_crtc->crtc_id) {
441 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
442 tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
443 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
444 } else {
445 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
446 tmp |= RADEON_CRTC_DISP_REQ_EN_B;
447 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
448 }
449 }
450 }
451 }
452
453 /**
454 * r100_pm_finish - post-power state change callback.
455 *
456 * @rdev: radeon_device pointer
457 *
458 * Clean up after a power state change (r1xx-r4xx).
459 */
460 void r100_pm_finish(struct radeon_device *rdev)
461 {
462 struct drm_device *ddev = rdev->ddev;
463 struct drm_crtc *crtc;
464 struct radeon_crtc *radeon_crtc;
465 u32 tmp;
466
467 /* enable any active CRTCs */
468 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
469 radeon_crtc = to_radeon_crtc(crtc);
470 if (radeon_crtc->enabled) {
471 if (radeon_crtc->crtc_id) {
472 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
473 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
474 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
475 } else {
476 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
477 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
478 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
479 }
480 }
481 }
482 }
483
484 /**
485 * r100_gui_idle - gui idle callback.
486 *
487 * @rdev: radeon_device pointer
488 *
489 * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx).
490 * Returns true if idle, false if not.
491 */
492 bool r100_gui_idle(struct radeon_device *rdev)
493 {
494 if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
495 return false;
496 else
497 return true;
498 }
499
500 /* hpd for digital panel detect/disconnect */
501 /**
502 * r100_hpd_sense - hpd sense callback.
503 *
504 * @rdev: radeon_device pointer
505 * @hpd: hpd (hotplug detect) pin
506 *
507 * Checks if a digital monitor is connected (r1xx-r4xx).
508 * Returns true if connected, false if not connected.
509 */
510 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
511 {
512 bool connected = false;
513
514 switch (hpd) {
515 case RADEON_HPD_1:
516 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
517 connected = true;
518 break;
519 case RADEON_HPD_2:
520 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
521 connected = true;
522 break;
523 default:
524 break;
525 }
526 return connected;
527 }
528
529 /**
530 * r100_hpd_set_polarity - hpd set polarity callback.
531 *
532 * @rdev: radeon_device pointer
533 * @hpd: hpd (hotplug detect) pin
534 *
535 * Set the polarity of the hpd pin (r1xx-r4xx).
536 */
537 void r100_hpd_set_polarity(struct radeon_device *rdev,
538 enum radeon_hpd_id hpd)
539 {
540 u32 tmp;
541 bool connected = r100_hpd_sense(rdev, hpd);
542
543 switch (hpd) {
544 case RADEON_HPD_1:
545 tmp = RREG32(RADEON_FP_GEN_CNTL);
546 if (connected)
547 tmp &= ~RADEON_FP_DETECT_INT_POL;
548 else
549 tmp |= RADEON_FP_DETECT_INT_POL;
550 WREG32(RADEON_FP_GEN_CNTL, tmp);
551 break;
552 case RADEON_HPD_2:
553 tmp = RREG32(RADEON_FP2_GEN_CNTL);
554 if (connected)
555 tmp &= ~RADEON_FP2_DETECT_INT_POL;
556 else
557 tmp |= RADEON_FP2_DETECT_INT_POL;
558 WREG32(RADEON_FP2_GEN_CNTL, tmp);
559 break;
560 default:
561 break;
562 }
563 }
564
565 /**
566 * r100_hpd_init - hpd setup callback.
567 *
568 * @rdev: radeon_device pointer
569 *
570 * Setup the hpd pins used by the card (r1xx-r4xx).
571 * Set the polarity, and enable the hpd interrupts.
572 */
573 void r100_hpd_init(struct radeon_device *rdev)
574 {
575 struct drm_device *dev = rdev->ddev;
576 struct drm_connector *connector;
577 unsigned enable = 0;
578
579 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
580 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
581 enable |= 1 << radeon_connector->hpd.hpd;
582 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
583 }
584 radeon_irq_kms_enable_hpd(rdev, enable);
585 }
586
587 /**
588 * r100_hpd_fini - hpd tear down callback.
589 *
590 * @rdev: radeon_device pointer
591 *
592 * Tear down the hpd pins used by the card (r1xx-r4xx).
593 * Disable the hpd interrupts.
594 */
595 void r100_hpd_fini(struct radeon_device *rdev)
596 {
597 struct drm_device *dev = rdev->ddev;
598 struct drm_connector *connector;
599 unsigned disable = 0;
600
601 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
602 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
603 disable |= 1 << radeon_connector->hpd.hpd;
604 }
605 radeon_irq_kms_disable_hpd(rdev, disable);
606 }
607
608 /*
609 * PCI GART
610 */
611 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
612 {
613 /* TODO: can we do somethings here ? */
614 /* It seems hw only cache one entry so we should discard this
615 * entry otherwise if first GPU GART read hit this entry it
616 * could end up in wrong address. */
617 }
618
619 int r100_pci_gart_init(struct radeon_device *rdev)
620 {
621 int r;
622
623 if (rdev->gart.ptr) {
624 WARN(1, "R100 PCI GART already initialized\n");
625 return 0;
626 }
627 /* Initialize common gart structure */
628 r = radeon_gart_init(rdev);
629 if (r)
630 return r;
631 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
632 rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
633 rdev->asic->gart.set_page = &r100_pci_gart_set_page;
634 return radeon_gart_table_ram_alloc(rdev);
635 }
636
637 int r100_pci_gart_enable(struct radeon_device *rdev)
638 {
639 uint32_t tmp;
640
641 radeon_gart_restore(rdev);
642 /* discard memory request outside of configured range */
643 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
644 WREG32(RADEON_AIC_CNTL, tmp);
645 /* set address range for PCI address translate */
646 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
647 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
648 /* set PCI GART page-table base address */
649 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
650 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
651 WREG32(RADEON_AIC_CNTL, tmp);
652 r100_pci_gart_tlb_flush(rdev);
653 DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n",
654 (unsigned)(rdev->mc.gtt_size >> 20),
655 (unsigned long long)rdev->gart.table_addr);
656 rdev->gart.ready = true;
657 return 0;
658 }
659
660 void r100_pci_gart_disable(struct radeon_device *rdev)
661 {
662 uint32_t tmp;
663
664 /* discard memory request outside of configured range */
665 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
666 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
667 WREG32(RADEON_AIC_LO_ADDR, 0);
668 WREG32(RADEON_AIC_HI_ADDR, 0);
669 }
670
671 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
672 {
673 u32 *gtt = rdev->gart.ptr;
674
675 if (i < 0 || i > rdev->gart.num_gpu_pages) {
676 return -EINVAL;
677 }
678 gtt[i] = cpu_to_le32(lower_32_bits(addr));
679 return 0;
680 }
681
682 void r100_pci_gart_fini(struct radeon_device *rdev)
683 {
684 radeon_gart_fini(rdev);
685 r100_pci_gart_disable(rdev);
686 radeon_gart_table_ram_free(rdev);
687 }
688
689 int r100_irq_set(struct radeon_device *rdev)
690 {
691 uint32_t tmp = 0;
692
693 if (!rdev->irq.installed) {
694 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
695 WREG32(R_000040_GEN_INT_CNTL, 0);
696 return -EINVAL;
697 }
698 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
699 tmp |= RADEON_SW_INT_ENABLE;
700 }
701 if (rdev->irq.gui_idle) {
702 tmp |= RADEON_GUI_IDLE_MASK;
703 }
704 if (rdev->irq.crtc_vblank_int[0] ||
705 atomic_read(&rdev->irq.pflip[0])) {
706 tmp |= RADEON_CRTC_VBLANK_MASK;
707 }
708 if (rdev->irq.crtc_vblank_int[1] ||
709 atomic_read(&rdev->irq.pflip[1])) {
710 tmp |= RADEON_CRTC2_VBLANK_MASK;
711 }
712 if (rdev->irq.hpd[0]) {
713 tmp |= RADEON_FP_DETECT_MASK;
714 }
715 if (rdev->irq.hpd[1]) {
716 tmp |= RADEON_FP2_DETECT_MASK;
717 }
718 WREG32(RADEON_GEN_INT_CNTL, tmp);
719 return 0;
720 }
721
722 void r100_irq_disable(struct radeon_device *rdev)
723 {
724 u32 tmp;
725
726 WREG32(R_000040_GEN_INT_CNTL, 0);
727 /* Wait and acknowledge irq */
728 mdelay(1);
729 tmp = RREG32(R_000044_GEN_INT_STATUS);
730 WREG32(R_000044_GEN_INT_STATUS, tmp);
731 }
732
733 static uint32_t r100_irq_ack(struct radeon_device *rdev)
734 {
735 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
736 uint32_t irq_mask = RADEON_SW_INT_TEST |
737 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
738 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
739
740 /* the interrupt works, but the status bit is permanently asserted */
741 if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
742 if (!rdev->irq.gui_idle_acked)
743 irq_mask |= RADEON_GUI_IDLE_STAT;
744 }
745
746 if (irqs) {
747 WREG32(RADEON_GEN_INT_STATUS, irqs);
748 }
749 return irqs & irq_mask;
750 }
751
752 int r100_irq_process(struct radeon_device *rdev)
753 {
754 uint32_t status, msi_rearm;
755 bool queue_hotplug = false;
756
757 /* reset gui idle ack. the status bit is broken */
758 rdev->irq.gui_idle_acked = false;
759
760 status = r100_irq_ack(rdev);
761 if (!status) {
762 return IRQ_NONE;
763 }
764 if (rdev->shutdown) {
765 return IRQ_NONE;
766 }
767 while (status) {
768 /* SW interrupt */
769 if (status & RADEON_SW_INT_TEST) {
770 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
771 }
772 /* gui idle interrupt */
773 if (status & RADEON_GUI_IDLE_STAT) {
774 rdev->irq.gui_idle_acked = true;
775 wake_up(&rdev->irq.idle_queue);
776 }
777 /* Vertical blank interrupts */
778 if (status & RADEON_CRTC_VBLANK_STAT) {
779 if (rdev->irq.crtc_vblank_int[0]) {
780 drm_handle_vblank(rdev->ddev, 0);
781 rdev->pm.vblank_sync = true;
782 wake_up(&rdev->irq.vblank_queue);
783 }
784 if (atomic_read(&rdev->irq.pflip[0]))
785 radeon_crtc_handle_flip(rdev, 0);
786 }
787 if (status & RADEON_CRTC2_VBLANK_STAT) {
788 if (rdev->irq.crtc_vblank_int[1]) {
789 drm_handle_vblank(rdev->ddev, 1);
790 rdev->pm.vblank_sync = true;
791 wake_up(&rdev->irq.vblank_queue);
792 }
793 if (atomic_read(&rdev->irq.pflip[1]))
794 radeon_crtc_handle_flip(rdev, 1);
795 }
796 if (status & RADEON_FP_DETECT_STAT) {
797 queue_hotplug = true;
798 DRM_DEBUG("HPD1\n");
799 }
800 if (status & RADEON_FP2_DETECT_STAT) {
801 queue_hotplug = true;
802 DRM_DEBUG("HPD2\n");
803 }
804 status = r100_irq_ack(rdev);
805 }
806 /* reset gui idle ack. the status bit is broken */
807 rdev->irq.gui_idle_acked = false;
808 if (queue_hotplug)
809 schedule_work(&rdev->hotplug_work);
810 if (rdev->msi_enabled) {
811 switch (rdev->family) {
812 case CHIP_RS400:
813 case CHIP_RS480:
814 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
815 WREG32(RADEON_AIC_CNTL, msi_rearm);
816 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
817 break;
818 default:
819 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
820 break;
821 }
822 }
823 return IRQ_HANDLED;
824 }
825
826 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
827 {
828 if (crtc == 0)
829 return RREG32(RADEON_CRTC_CRNT_FRAME);
830 else
831 return RREG32(RADEON_CRTC2_CRNT_FRAME);
832 }
833
834 /* Who ever call radeon_fence_emit should call ring_lock and ask
835 * for enough space (today caller are ib schedule and buffer move) */
836 void r100_fence_ring_emit(struct radeon_device *rdev,
837 struct radeon_fence *fence)
838 {
839 struct radeon_ring *ring = &rdev->ring[fence->ring];
840
841 /* We have to make sure that caches are flushed before
842 * CPU might read something from VRAM. */
843 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
844 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
845 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
846 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
847 /* Wait until IDLE & CLEAN */
848 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
849 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
850 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
851 radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
852 RADEON_HDP_READ_BUFFER_INVALIDATE);
853 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
854 radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
855 /* Emit fence sequence & fire IRQ */
856 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
857 radeon_ring_write(ring, fence->seq);
858 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
859 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
860 }
861
862 void r100_semaphore_ring_emit(struct radeon_device *rdev,
863 struct radeon_ring *ring,
864 struct radeon_semaphore *semaphore,
865 bool emit_wait)
866 {
867 /* Unused on older asics, since we don't have semaphores or multiple rings */
868 BUG();
869 }
870
871 int r100_copy_blit(struct radeon_device *rdev,
872 uint64_t src_offset,
873 uint64_t dst_offset,
874 unsigned num_gpu_pages,
875 struct radeon_fence **fence)
876 {
877 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
878 uint32_t cur_pages;
879 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
880 uint32_t pitch;
881 uint32_t stride_pixels;
882 unsigned ndw;
883 int num_loops;
884 int r = 0;
885
886 /* radeon limited to 16k stride */
887 stride_bytes &= 0x3fff;
888 /* radeon pitch is /64 */
889 pitch = stride_bytes / 64;
890 stride_pixels = stride_bytes / 4;
891 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
892
893 /* Ask for enough room for blit + flush + fence */
894 ndw = 64 + (10 * num_loops);
895 r = radeon_ring_lock(rdev, ring, ndw);
896 if (r) {
897 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
898 return -EINVAL;
899 }
900 while (num_gpu_pages > 0) {
901 cur_pages = num_gpu_pages;
902 if (cur_pages > 8191) {
903 cur_pages = 8191;
904 }
905 num_gpu_pages -= cur_pages;
906
907 /* pages are in Y direction - height
908 page width in X direction - width */
909 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
910 radeon_ring_write(ring,
911 RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
912 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
913 RADEON_GMC_SRC_CLIPPING |
914 RADEON_GMC_DST_CLIPPING |
915 RADEON_GMC_BRUSH_NONE |
916 (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
917 RADEON_GMC_SRC_DATATYPE_COLOR |
918 RADEON_ROP3_S |
919 RADEON_DP_SRC_SOURCE_MEMORY |
920 RADEON_GMC_CLR_CMP_CNTL_DIS |
921 RADEON_GMC_WR_MSK_DIS);
922 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
923 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
924 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
925 radeon_ring_write(ring, 0);
926 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
927 radeon_ring_write(ring, num_gpu_pages);
928 radeon_ring_write(ring, num_gpu_pages);
929 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
930 }
931 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
932 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
933 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
934 radeon_ring_write(ring,
935 RADEON_WAIT_2D_IDLECLEAN |
936 RADEON_WAIT_HOST_IDLECLEAN |
937 RADEON_WAIT_DMA_GUI_IDLE);
938 if (fence) {
939 r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX);
940 }
941 radeon_ring_unlock_commit(rdev, ring);
942 return r;
943 }
944
945 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
946 {
947 unsigned i;
948 u32 tmp;
949
950 for (i = 0; i < rdev->usec_timeout; i++) {
951 tmp = RREG32(R_000E40_RBBM_STATUS);
952 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
953 return 0;
954 }
955 udelay(1);
956 }
957 return -1;
958 }
959
960 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
961 {
962 int r;
963
964 r = radeon_ring_lock(rdev, ring, 2);
965 if (r) {
966 return;
967 }
968 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
969 radeon_ring_write(ring,
970 RADEON_ISYNC_ANY2D_IDLE3D |
971 RADEON_ISYNC_ANY3D_IDLE2D |
972 RADEON_ISYNC_WAIT_IDLEGUI |
973 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
974 radeon_ring_unlock_commit(rdev, ring);
975 }
976
977
978 /* Load the microcode for the CP */
979 static int r100_cp_init_microcode(struct radeon_device *rdev)
980 {
981 struct platform_device *pdev;
982 const char *fw_name = NULL;
983 int err;
984
985 DRM_DEBUG_KMS("\n");
986
987 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
988 err = IS_ERR(pdev);
989 if (err) {
990 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
991 return -EINVAL;
992 }
993 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
994 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
995 (rdev->family == CHIP_RS200)) {
996 DRM_INFO("Loading R100 Microcode\n");
997 fw_name = FIRMWARE_R100;
998 } else if ((rdev->family == CHIP_R200) ||
999 (rdev->family == CHIP_RV250) ||
1000 (rdev->family == CHIP_RV280) ||
1001 (rdev->family == CHIP_RS300)) {
1002 DRM_INFO("Loading R200 Microcode\n");
1003 fw_name = FIRMWARE_R200;
1004 } else if ((rdev->family == CHIP_R300) ||
1005 (rdev->family == CHIP_R350) ||
1006 (rdev->family == CHIP_RV350) ||
1007 (rdev->family == CHIP_RV380) ||
1008 (rdev->family == CHIP_RS400) ||
1009 (rdev->family == CHIP_RS480)) {
1010 DRM_INFO("Loading R300 Microcode\n");
1011 fw_name = FIRMWARE_R300;
1012 } else if ((rdev->family == CHIP_R420) ||
1013 (rdev->family == CHIP_R423) ||
1014 (rdev->family == CHIP_RV410)) {
1015 DRM_INFO("Loading R400 Microcode\n");
1016 fw_name = FIRMWARE_R420;
1017 } else if ((rdev->family == CHIP_RS690) ||
1018 (rdev->family == CHIP_RS740)) {
1019 DRM_INFO("Loading RS690/RS740 Microcode\n");
1020 fw_name = FIRMWARE_RS690;
1021 } else if (rdev->family == CHIP_RS600) {
1022 DRM_INFO("Loading RS600 Microcode\n");
1023 fw_name = FIRMWARE_RS600;
1024 } else if ((rdev->family == CHIP_RV515) ||
1025 (rdev->family == CHIP_R520) ||
1026 (rdev->family == CHIP_RV530) ||
1027 (rdev->family == CHIP_R580) ||
1028 (rdev->family == CHIP_RV560) ||
1029 (rdev->family == CHIP_RV570)) {
1030 DRM_INFO("Loading R500 Microcode\n");
1031 fw_name = FIRMWARE_R520;
1032 }
1033
1034 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
1035 platform_device_unregister(pdev);
1036 if (err) {
1037 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
1038 fw_name);
1039 } else if (rdev->me_fw->size % 8) {
1040 printk(KERN_ERR
1041 "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
1042 rdev->me_fw->size, fw_name);
1043 err = -EINVAL;
1044 release_firmware(rdev->me_fw);
1045 rdev->me_fw = NULL;
1046 }
1047 return err;
1048 }
1049
1050 static void r100_cp_load_microcode(struct radeon_device *rdev)
1051 {
1052 const __be32 *fw_data;
1053 int i, size;
1054
1055 if (r100_gui_wait_for_idle(rdev)) {
1056 printk(KERN_WARNING "Failed to wait GUI idle while "
1057 "programming pipes. Bad things might happen.\n");
1058 }
1059
1060 if (rdev->me_fw) {
1061 size = rdev->me_fw->size / 4;
1062 fw_data = (const __be32 *)&rdev->me_fw->data[0];
1063 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1064 for (i = 0; i < size; i += 2) {
1065 WREG32(RADEON_CP_ME_RAM_DATAH,
1066 be32_to_cpup(&fw_data[i]));
1067 WREG32(RADEON_CP_ME_RAM_DATAL,
1068 be32_to_cpup(&fw_data[i + 1]));
1069 }
1070 }
1071 }
1072
1073 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1074 {
1075 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1076 unsigned rb_bufsz;
1077 unsigned rb_blksz;
1078 unsigned max_fetch;
1079 unsigned pre_write_timer;
1080 unsigned pre_write_limit;
1081 unsigned indirect2_start;
1082 unsigned indirect1_start;
1083 uint32_t tmp;
1084 int r;
1085
1086 if (r100_debugfs_cp_init(rdev)) {
1087 DRM_ERROR("Failed to register debugfs file for CP !\n");
1088 }
1089 if (!rdev->me_fw) {
1090 r = r100_cp_init_microcode(rdev);
1091 if (r) {
1092 DRM_ERROR("Failed to load firmware!\n");
1093 return r;
1094 }
1095 }
1096
1097 /* Align ring size */
1098 rb_bufsz = drm_order(ring_size / 8);
1099 ring_size = (1 << (rb_bufsz + 1)) * 4;
1100 r100_cp_load_microcode(rdev);
1101 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1102 RADEON_CP_RB_RPTR, RADEON_CP_RB_WPTR,
1103 0, 0x7fffff, RADEON_CP_PACKET2);
1104 if (r) {
1105 return r;
1106 }
1107 /* Each time the cp read 1024 bytes (16 dword/quadword) update
1108 * the rptr copy in system ram */
1109 rb_blksz = 9;
1110 /* cp will read 128bytes at a time (4 dwords) */
1111 max_fetch = 1;
1112 ring->align_mask = 16 - 1;
1113 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1114 pre_write_timer = 64;
1115 /* Force CP_RB_WPTR write if written more than one time before the
1116 * delay expire
1117 */
1118 pre_write_limit = 0;
1119 /* Setup the cp cache like this (cache size is 96 dwords) :
1120 * RING 0 to 15
1121 * INDIRECT1 16 to 79
1122 * INDIRECT2 80 to 95
1123 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1124 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1125 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1126 * Idea being that most of the gpu cmd will be through indirect1 buffer
1127 * so it gets the bigger cache.
1128 */
1129 indirect2_start = 80;
1130 indirect1_start = 16;
1131 /* cp setup */
1132 WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1133 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1134 REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1135 REG_SET(RADEON_MAX_FETCH, max_fetch));
1136 #ifdef __BIG_ENDIAN
1137 tmp |= RADEON_BUF_SWAP_32BIT;
1138 #endif
1139 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1140
1141 /* Set ring address */
1142 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1143 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1144 /* Force read & write ptr to 0 */
1145 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1146 WREG32(RADEON_CP_RB_RPTR_WR, 0);
1147 ring->wptr = 0;
1148 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1149
1150 /* set the wb address whether it's enabled or not */
1151 WREG32(R_00070C_CP_RB_RPTR_ADDR,
1152 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1153 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1154
1155 if (rdev->wb.enabled)
1156 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1157 else {
1158 tmp |= RADEON_RB_NO_UPDATE;
1159 WREG32(R_000770_SCRATCH_UMSK, 0);
1160 }
1161
1162 WREG32(RADEON_CP_RB_CNTL, tmp);
1163 udelay(10);
1164 ring->rptr = RREG32(RADEON_CP_RB_RPTR);
1165 /* Set cp mode to bus mastering & enable cp*/
1166 WREG32(RADEON_CP_CSQ_MODE,
1167 REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1168 REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1169 WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1170 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1171 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1172
1173 /* at this point everything should be setup correctly to enable master */
1174 pci_set_master(rdev->pdev);
1175
1176 radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1177 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1178 if (r) {
1179 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1180 return r;
1181 }
1182 ring->ready = true;
1183 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1184
1185 if (radeon_ring_supports_scratch_reg(rdev, ring)) {
1186 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
1187 if (r) {
1188 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
1189 ring->rptr_save_reg = 0;
1190 }
1191 }
1192 return 0;
1193 }
1194
1195 void r100_cp_fini(struct radeon_device *rdev)
1196 {
1197 if (r100_cp_wait_for_idle(rdev)) {
1198 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1199 }
1200 /* Disable ring */
1201 r100_cp_disable(rdev);
1202 radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
1203 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1204 DRM_INFO("radeon: cp finalized\n");
1205 }
1206
1207 void r100_cp_disable(struct radeon_device *rdev)
1208 {
1209 /* Disable ring */
1210 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1211 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1212 WREG32(RADEON_CP_CSQ_MODE, 0);
1213 WREG32(RADEON_CP_CSQ_CNTL, 0);
1214 WREG32(R_000770_SCRATCH_UMSK, 0);
1215 if (r100_gui_wait_for_idle(rdev)) {
1216 printk(KERN_WARNING "Failed to wait GUI idle while "
1217 "programming pipes. Bad things might happen.\n");
1218 }
1219 }
1220
1221 /*
1222 * CS functions
1223 */
1224 int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
1225 struct radeon_cs_packet *pkt,
1226 unsigned idx,
1227 unsigned reg)
1228 {
1229 int r;
1230 u32 tile_flags = 0;
1231 u32 tmp;
1232 struct radeon_cs_reloc *reloc;
1233 u32 value;
1234
1235 r = r100_cs_packet_next_reloc(p, &reloc);
1236 if (r) {
1237 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1238 idx, reg);
1239 r100_cs_dump_packet(p, pkt);
1240 return r;
1241 }
1242
1243 value = radeon_get_ib_value(p, idx);
1244 tmp = value & 0x003fffff;
1245 tmp += (((u32)reloc->lobj.gpu_offset) >> 10);
1246
1247 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1248 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1249 tile_flags |= RADEON_DST_TILE_MACRO;
1250 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
1251 if (reg == RADEON_SRC_PITCH_OFFSET) {
1252 DRM_ERROR("Cannot src blit from microtiled surface\n");
1253 r100_cs_dump_packet(p, pkt);
1254 return -EINVAL;
1255 }
1256 tile_flags |= RADEON_DST_TILE_MICRO;
1257 }
1258
1259 tmp |= tile_flags;
1260 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp;
1261 } else
1262 p->ib.ptr[idx] = (value & 0xffc00000) | tmp;
1263 return 0;
1264 }
1265
1266 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
1267 struct radeon_cs_packet *pkt,
1268 int idx)
1269 {
1270 unsigned c, i;
1271 struct radeon_cs_reloc *reloc;
1272 struct r100_cs_track *track;
1273 int r = 0;
1274 volatile uint32_t *ib;
1275 u32 idx_value;
1276
1277 ib = p->ib.ptr;
1278 track = (struct r100_cs_track *)p->track;
1279 c = radeon_get_ib_value(p, idx++) & 0x1F;
1280 if (c > 16) {
1281 DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
1282 pkt->opcode);
1283 r100_cs_dump_packet(p, pkt);
1284 return -EINVAL;
1285 }
1286 track->num_arrays = c;
1287 for (i = 0; i < (c - 1); i+=2, idx+=3) {
1288 r = r100_cs_packet_next_reloc(p, &reloc);
1289 if (r) {
1290 DRM_ERROR("No reloc for packet3 %d\n",
1291 pkt->opcode);
1292 r100_cs_dump_packet(p, pkt);
1293 return r;
1294 }
1295 idx_value = radeon_get_ib_value(p, idx);
1296 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
1297
1298 track->arrays[i + 0].esize = idx_value >> 8;
1299 track->arrays[i + 0].robj = reloc->robj;
1300 track->arrays[i + 0].esize &= 0x7F;
1301 r = r100_cs_packet_next_reloc(p, &reloc);
1302 if (r) {
1303 DRM_ERROR("No reloc for packet3 %d\n",
1304 pkt->opcode);
1305 r100_cs_dump_packet(p, pkt);
1306 return r;
1307 }
1308 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->lobj.gpu_offset);
1309 track->arrays[i + 1].robj = reloc->robj;
1310 track->arrays[i + 1].esize = idx_value >> 24;
1311 track->arrays[i + 1].esize &= 0x7F;
1312 }
1313 if (c & 1) {
1314 r = r100_cs_packet_next_reloc(p, &reloc);
1315 if (r) {
1316 DRM_ERROR("No reloc for packet3 %d\n",
1317 pkt->opcode);
1318 r100_cs_dump_packet(p, pkt);
1319 return r;
1320 }
1321 idx_value = radeon_get_ib_value(p, idx);
1322 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
1323 track->arrays[i + 0].robj = reloc->robj;
1324 track->arrays[i + 0].esize = idx_value >> 8;
1325 track->arrays[i + 0].esize &= 0x7F;
1326 }
1327 return r;
1328 }
1329
1330 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1331 struct radeon_cs_packet *pkt,
1332 const unsigned *auth, unsigned n,
1333 radeon_packet0_check_t check)
1334 {
1335 unsigned reg;
1336 unsigned i, j, m;
1337 unsigned idx;
1338 int r;
1339
1340 idx = pkt->idx + 1;
1341 reg = pkt->reg;
1342 /* Check that register fall into register range
1343 * determined by the number of entry (n) in the
1344 * safe register bitmap.
1345 */
1346 if (pkt->one_reg_wr) {
1347 if ((reg >> 7) > n) {
1348 return -EINVAL;
1349 }
1350 } else {
1351 if (((reg + (pkt->count << 2)) >> 7) > n) {
1352 return -EINVAL;
1353 }
1354 }
1355 for (i = 0; i <= pkt->count; i++, idx++) {
1356 j = (reg >> 7);
1357 m = 1 << ((reg >> 2) & 31);
1358 if (auth[j] & m) {
1359 r = check(p, pkt, idx, reg);
1360 if (r) {
1361 return r;
1362 }
1363 }
1364 if (pkt->one_reg_wr) {
1365 if (!(auth[j] & m)) {
1366 break;
1367 }
1368 } else {
1369 reg += 4;
1370 }
1371 }
1372 return 0;
1373 }
1374
1375 void r100_cs_dump_packet(struct radeon_cs_parser *p,
1376 struct radeon_cs_packet *pkt)
1377 {
1378 volatile uint32_t *ib;
1379 unsigned i;
1380 unsigned idx;
1381
1382 ib = p->ib.ptr;
1383 idx = pkt->idx;
1384 for (i = 0; i <= (pkt->count + 1); i++, idx++) {
1385 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
1386 }
1387 }
1388
1389 /**
1390 * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
1391 * @parser: parser structure holding parsing context.
1392 * @pkt: where to store packet informations
1393 *
1394 * Assume that chunk_ib_index is properly set. Will return -EINVAL
1395 * if packet is bigger than remaining ib size. or if packets is unknown.
1396 **/
1397 int r100_cs_packet_parse(struct radeon_cs_parser *p,
1398 struct radeon_cs_packet *pkt,
1399 unsigned idx)
1400 {
1401 struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
1402 uint32_t header;
1403
1404 if (idx >= ib_chunk->length_dw) {
1405 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
1406 idx, ib_chunk->length_dw);
1407 return -EINVAL;
1408 }
1409 header = radeon_get_ib_value(p, idx);
1410 pkt->idx = idx;
1411 pkt->type = CP_PACKET_GET_TYPE(header);
1412 pkt->count = CP_PACKET_GET_COUNT(header);
1413 switch (pkt->type) {
1414 case PACKET_TYPE0:
1415 pkt->reg = CP_PACKET0_GET_REG(header);
1416 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
1417 break;
1418 case PACKET_TYPE3:
1419 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
1420 break;
1421 case PACKET_TYPE2:
1422 pkt->count = -1;
1423 break;
1424 default:
1425 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
1426 return -EINVAL;
1427 }
1428 if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
1429 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
1430 pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
1431 return -EINVAL;
1432 }
1433 return 0;
1434 }
1435
1436 /**
1437 * r100_cs_packet_next_vline() - parse userspace VLINE packet
1438 * @parser: parser structure holding parsing context.
1439 *
1440 * Userspace sends a special sequence for VLINE waits.
1441 * PACKET0 - VLINE_START_END + value
1442 * PACKET0 - WAIT_UNTIL +_value
1443 * RELOC (P3) - crtc_id in reloc.
1444 *
1445 * This function parses this and relocates the VLINE START END
1446 * and WAIT UNTIL packets to the correct crtc.
1447 * It also detects a switched off crtc and nulls out the
1448 * wait in that case.
1449 */
1450 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1451 {
1452 struct drm_mode_object *obj;
1453 struct drm_crtc *crtc;
1454 struct radeon_crtc *radeon_crtc;
1455 struct radeon_cs_packet p3reloc, waitreloc;
1456 int crtc_id;
1457 int r;
1458 uint32_t header, h_idx, reg;
1459 volatile uint32_t *ib;
1460
1461 ib = p->ib.ptr;
1462
1463 /* parse the wait until */
1464 r = r100_cs_packet_parse(p, &waitreloc, p->idx);
1465 if (r)
1466 return r;
1467
1468 /* check its a wait until and only 1 count */
1469 if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1470 waitreloc.count != 0) {
1471 DRM_ERROR("vline wait had illegal wait until segment\n");
1472 return -EINVAL;
1473 }
1474
1475 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1476 DRM_ERROR("vline wait had illegal wait until\n");
1477 return -EINVAL;
1478 }
1479
1480 /* jump over the NOP */
1481 r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1482 if (r)
1483 return r;
1484
1485 h_idx = p->idx - 2;
1486 p->idx += waitreloc.count + 2;
1487 p->idx += p3reloc.count + 2;
1488
1489 header = radeon_get_ib_value(p, h_idx);
1490 crtc_id = radeon_get_ib_value(p, h_idx + 5);
1491 reg = CP_PACKET0_GET_REG(header);
1492 obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1493 if (!obj) {
1494 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1495 return -EINVAL;
1496 }
1497 crtc = obj_to_crtc(obj);
1498 radeon_crtc = to_radeon_crtc(crtc);
1499 crtc_id = radeon_crtc->crtc_id;
1500
1501 if (!crtc->enabled) {
1502 /* if the CRTC isn't enabled - we need to nop out the wait until */
1503 ib[h_idx + 2] = PACKET2(0);
1504 ib[h_idx + 3] = PACKET2(0);
1505 } else if (crtc_id == 1) {
1506 switch (reg) {
1507 case AVIVO_D1MODE_VLINE_START_END:
1508 header &= ~R300_CP_PACKET0_REG_MASK;
1509 header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1510 break;
1511 case RADEON_CRTC_GUI_TRIG_VLINE:
1512 header &= ~R300_CP_PACKET0_REG_MASK;
1513 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1514 break;
1515 default:
1516 DRM_ERROR("unknown crtc reloc\n");
1517 return -EINVAL;
1518 }
1519 ib[h_idx] = header;
1520 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1521 }
1522
1523 return 0;
1524 }
1525
1526 /**
1527 * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
1528 * @parser: parser structure holding parsing context.
1529 * @data: pointer to relocation data
1530 * @offset_start: starting offset
1531 * @offset_mask: offset mask (to align start offset on)
1532 * @reloc: reloc informations
1533 *
1534 * Check next packet is relocation packet3, do bo validation and compute
1535 * GPU offset using the provided start.
1536 **/
1537 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
1538 struct radeon_cs_reloc **cs_reloc)
1539 {
1540 struct radeon_cs_chunk *relocs_chunk;
1541 struct radeon_cs_packet p3reloc;
1542 unsigned idx;
1543 int r;
1544
1545 if (p->chunk_relocs_idx == -1) {
1546 DRM_ERROR("No relocation chunk !\n");
1547 return -EINVAL;
1548 }
1549 *cs_reloc = NULL;
1550 relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1551 r = r100_cs_packet_parse(p, &p3reloc, p->idx);
1552 if (r) {
1553 return r;
1554 }
1555 p->idx += p3reloc.count + 2;
1556 if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1557 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1558 p3reloc.idx);
1559 r100_cs_dump_packet(p, &p3reloc);
1560 return -EINVAL;
1561 }
1562 idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1563 if (idx >= relocs_chunk->length_dw) {
1564 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1565 idx, relocs_chunk->length_dw);
1566 r100_cs_dump_packet(p, &p3reloc);
1567 return -EINVAL;
1568 }
1569 /* FIXME: we assume reloc size is 4 dwords */
1570 *cs_reloc = p->relocs_ptr[(idx / 4)];
1571 return 0;
1572 }
1573
1574 static int r100_get_vtx_size(uint32_t vtx_fmt)
1575 {
1576 int vtx_size;
1577 vtx_size = 2;
1578 /* ordered according to bits in spec */
1579 if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1580 vtx_size++;
1581 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1582 vtx_size += 3;
1583 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1584 vtx_size++;
1585 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1586 vtx_size++;
1587 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1588 vtx_size += 3;
1589 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1590 vtx_size++;
1591 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1592 vtx_size++;
1593 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1594 vtx_size += 2;
1595 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1596 vtx_size += 2;
1597 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1598 vtx_size++;
1599 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1600 vtx_size += 2;
1601 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1602 vtx_size++;
1603 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1604 vtx_size += 2;
1605 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1606 vtx_size++;
1607 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1608 vtx_size++;
1609 /* blend weight */
1610 if (vtx_fmt & (0x7 << 15))
1611 vtx_size += (vtx_fmt >> 15) & 0x7;
1612 if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1613 vtx_size += 3;
1614 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1615 vtx_size += 2;
1616 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1617 vtx_size++;
1618 if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1619 vtx_size++;
1620 if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1621 vtx_size++;
1622 if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1623 vtx_size++;
1624 return vtx_size;
1625 }
1626
1627 static int r100_packet0_check(struct radeon_cs_parser *p,
1628 struct radeon_cs_packet *pkt,
1629 unsigned idx, unsigned reg)
1630 {
1631 struct radeon_cs_reloc *reloc;
1632 struct r100_cs_track *track;
1633 volatile uint32_t *ib;
1634 uint32_t tmp;
1635 int r;
1636 int i, face;
1637 u32 tile_flags = 0;
1638 u32 idx_value;
1639
1640 ib = p->ib.ptr;
1641 track = (struct r100_cs_track *)p->track;
1642
1643 idx_value = radeon_get_ib_value(p, idx);
1644
1645 switch (reg) {
1646 case RADEON_CRTC_GUI_TRIG_VLINE:
1647 r = r100_cs_packet_parse_vline(p);
1648 if (r) {
1649 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1650 idx, reg);
1651 r100_cs_dump_packet(p, pkt);
1652 return r;
1653 }
1654 break;
1655 /* FIXME: only allow PACKET3 blit? easier to check for out of
1656 * range access */
1657 case RADEON_DST_PITCH_OFFSET:
1658 case RADEON_SRC_PITCH_OFFSET:
1659 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1660 if (r)
1661 return r;
1662 break;
1663 case RADEON_RB3D_DEPTHOFFSET:
1664 r = r100_cs_packet_next_reloc(p, &reloc);
1665 if (r) {
1666 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1667 idx, reg);
1668 r100_cs_dump_packet(p, pkt);
1669 return r;
1670 }
1671 track->zb.robj = reloc->robj;
1672 track->zb.offset = idx_value;
1673 track->zb_dirty = true;
1674 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1675 break;
1676 case RADEON_RB3D_COLOROFFSET:
1677 r = r100_cs_packet_next_reloc(p, &reloc);
1678 if (r) {
1679 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1680 idx, reg);
1681 r100_cs_dump_packet(p, pkt);
1682 return r;
1683 }
1684 track->cb[0].robj = reloc->robj;
1685 track->cb[0].offset = idx_value;
1686 track->cb_dirty = true;
1687 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1688 break;
1689 case RADEON_PP_TXOFFSET_0:
1690 case RADEON_PP_TXOFFSET_1:
1691 case RADEON_PP_TXOFFSET_2:
1692 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1693 r = r100_cs_packet_next_reloc(p, &reloc);
1694 if (r) {
1695 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1696 idx, reg);
1697 r100_cs_dump_packet(p, pkt);
1698 return r;
1699 }
1700 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1701 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1702 tile_flags |= RADEON_TXO_MACRO_TILE;
1703 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1704 tile_flags |= RADEON_TXO_MICRO_TILE_X2;
1705
1706 tmp = idx_value & ~(0x7 << 2);
1707 tmp |= tile_flags;
1708 ib[idx] = tmp + ((u32)reloc->lobj.gpu_offset);
1709 } else
1710 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1711 track->textures[i].robj = reloc->robj;
1712 track->tex_dirty = true;
1713 break;
1714 case RADEON_PP_CUBIC_OFFSET_T0_0:
1715 case RADEON_PP_CUBIC_OFFSET_T0_1:
1716 case RADEON_PP_CUBIC_OFFSET_T0_2:
1717 case RADEON_PP_CUBIC_OFFSET_T0_3:
1718 case RADEON_PP_CUBIC_OFFSET_T0_4:
1719 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1720 r = r100_cs_packet_next_reloc(p, &reloc);
1721 if (r) {
1722 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1723 idx, reg);
1724 r100_cs_dump_packet(p, pkt);
1725 return r;
1726 }
1727 track->textures[0].cube_info[i].offset = idx_value;
1728 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1729 track->textures[0].cube_info[i].robj = reloc->robj;
1730 track->tex_dirty = true;
1731 break;
1732 case RADEON_PP_CUBIC_OFFSET_T1_0:
1733 case RADEON_PP_CUBIC_OFFSET_T1_1:
1734 case RADEON_PP_CUBIC_OFFSET_T1_2:
1735 case RADEON_PP_CUBIC_OFFSET_T1_3:
1736 case RADEON_PP_CUBIC_OFFSET_T1_4:
1737 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1738 r = r100_cs_packet_next_reloc(p, &reloc);
1739 if (r) {
1740 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1741 idx, reg);
1742 r100_cs_dump_packet(p, pkt);
1743 return r;
1744 }
1745 track->textures[1].cube_info[i].offset = idx_value;
1746 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1747 track->textures[1].cube_info[i].robj = reloc->robj;
1748 track->tex_dirty = true;
1749 break;
1750 case RADEON_PP_CUBIC_OFFSET_T2_0:
1751 case RADEON_PP_CUBIC_OFFSET_T2_1:
1752 case RADEON_PP_CUBIC_OFFSET_T2_2:
1753 case RADEON_PP_CUBIC_OFFSET_T2_3:
1754 case RADEON_PP_CUBIC_OFFSET_T2_4:
1755 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1756 r = r100_cs_packet_next_reloc(p, &reloc);
1757 if (r) {
1758 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1759 idx, reg);
1760 r100_cs_dump_packet(p, pkt);
1761 return r;
1762 }
1763 track->textures[2].cube_info[i].offset = idx_value;
1764 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1765 track->textures[2].cube_info[i].robj = reloc->robj;
1766 track->tex_dirty = true;
1767 break;
1768 case RADEON_RE_WIDTH_HEIGHT:
1769 track->maxy = ((idx_value >> 16) & 0x7FF);
1770 track->cb_dirty = true;
1771 track->zb_dirty = true;
1772 break;
1773 case RADEON_RB3D_COLORPITCH:
1774 r = r100_cs_packet_next_reloc(p, &reloc);
1775 if (r) {
1776 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1777 idx, reg);
1778 r100_cs_dump_packet(p, pkt);
1779 return r;
1780 }
1781 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1782 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1783 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1784 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1785 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1786
1787 tmp = idx_value & ~(0x7 << 16);
1788 tmp |= tile_flags;
1789 ib[idx] = tmp;
1790 } else
1791 ib[idx] = idx_value;
1792
1793 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1794 track->cb_dirty = true;
1795 break;
1796 case RADEON_RB3D_DEPTHPITCH:
1797 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1798 track->zb_dirty = true;
1799 break;
1800 case RADEON_RB3D_CNTL:
1801 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1802 case 7:
1803 case 8:
1804 case 9:
1805 case 11:
1806 case 12:
1807 track->cb[0].cpp = 1;
1808 break;
1809 case 3:
1810 case 4:
1811 case 15:
1812 track->cb[0].cpp = 2;
1813 break;
1814 case 6:
1815 track->cb[0].cpp = 4;
1816 break;
1817 default:
1818 DRM_ERROR("Invalid color buffer format (%d) !\n",
1819 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1820 return -EINVAL;
1821 }
1822 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1823 track->cb_dirty = true;
1824 track->zb_dirty = true;
1825 break;
1826 case RADEON_RB3D_ZSTENCILCNTL:
1827 switch (idx_value & 0xf) {
1828 case 0:
1829 track->zb.cpp = 2;
1830 break;
1831 case 2:
1832 case 3:
1833 case 4:
1834 case 5:
1835 case 9:
1836 case 11:
1837 track->zb.cpp = 4;
1838 break;
1839 default:
1840 break;
1841 }
1842 track->zb_dirty = true;
1843 break;
1844 case RADEON_RB3D_ZPASS_ADDR:
1845 r = r100_cs_packet_next_reloc(p, &reloc);
1846 if (r) {
1847 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1848 idx, reg);
1849 r100_cs_dump_packet(p, pkt);
1850 return r;
1851 }
1852 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1853 break;
1854 case RADEON_PP_CNTL:
1855 {
1856 uint32_t temp = idx_value >> 4;
1857 for (i = 0; i < track->num_texture; i++)
1858 track->textures[i].enabled = !!(temp & (1 << i));
1859 track->tex_dirty = true;
1860 }
1861 break;
1862 case RADEON_SE_VF_CNTL:
1863 track->vap_vf_cntl = idx_value;
1864 break;
1865 case RADEON_SE_VTX_FMT:
1866 track->vtx_size = r100_get_vtx_size(idx_value);
1867 break;
1868 case RADEON_PP_TEX_SIZE_0:
1869 case RADEON_PP_TEX_SIZE_1:
1870 case RADEON_PP_TEX_SIZE_2:
1871 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1872 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1873 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1874 track->tex_dirty = true;
1875 break;
1876 case RADEON_PP_TEX_PITCH_0:
1877 case RADEON_PP_TEX_PITCH_1:
1878 case RADEON_PP_TEX_PITCH_2:
1879 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1880 track->textures[i].pitch = idx_value + 32;
1881 track->tex_dirty = true;
1882 break;
1883 case RADEON_PP_TXFILTER_0:
1884 case RADEON_PP_TXFILTER_1:
1885 case RADEON_PP_TXFILTER_2:
1886 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1887 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1888 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1889 tmp = (idx_value >> 23) & 0x7;
1890 if (tmp == 2 || tmp == 6)
1891 track->textures[i].roundup_w = false;
1892 tmp = (idx_value >> 27) & 0x7;
1893 if (tmp == 2 || tmp == 6)
1894 track->textures[i].roundup_h = false;
1895 track->tex_dirty = true;
1896 break;
1897 case RADEON_PP_TXFORMAT_0:
1898 case RADEON_PP_TXFORMAT_1:
1899 case RADEON_PP_TXFORMAT_2:
1900 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1901 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1902 track->textures[i].use_pitch = 1;
1903 } else {
1904 track->textures[i].use_pitch = 0;
1905 track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1906 track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1907 }
1908 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1909 track->textures[i].tex_coord_type = 2;
1910 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1911 case RADEON_TXFORMAT_I8:
1912 case RADEON_TXFORMAT_RGB332:
1913 case RADEON_TXFORMAT_Y8:
1914 track->textures[i].cpp = 1;
1915 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1916 break;
1917 case RADEON_TXFORMAT_AI88:
1918 case RADEON_TXFORMAT_ARGB1555:
1919 case RADEON_TXFORMAT_RGB565:
1920 case RADEON_TXFORMAT_ARGB4444:
1921 case RADEON_TXFORMAT_VYUY422:
1922 case RADEON_TXFORMAT_YVYU422:
1923 case RADEON_TXFORMAT_SHADOW16:
1924 case RADEON_TXFORMAT_LDUDV655:
1925 case RADEON_TXFORMAT_DUDV88:
1926 track->textures[i].cpp = 2;
1927 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1928 break;
1929 case RADEON_TXFORMAT_ARGB8888:
1930 case RADEON_TXFORMAT_RGBA8888:
1931 case RADEON_TXFORMAT_SHADOW32:
1932 case RADEON_TXFORMAT_LDUDUV8888:
1933 track->textures[i].cpp = 4;
1934 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1935 break;
1936 case RADEON_TXFORMAT_DXT1:
1937 track->textures[i].cpp = 1;
1938 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1939 break;
1940 case RADEON_TXFORMAT_DXT23:
1941 case RADEON_TXFORMAT_DXT45:
1942 track->textures[i].cpp = 1;
1943 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1944 break;
1945 }
1946 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1947 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1948 track->tex_dirty = true;
1949 break;
1950 case RADEON_PP_CUBIC_FACES_0:
1951 case RADEON_PP_CUBIC_FACES_1:
1952 case RADEON_PP_CUBIC_FACES_2:
1953 tmp = idx_value;
1954 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1955 for (face = 0; face < 4; face++) {
1956 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1957 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1958 }
1959 track->tex_dirty = true;
1960 break;
1961 default:
1962 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1963 reg, idx);
1964 return -EINVAL;
1965 }
1966 return 0;
1967 }
1968
1969 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1970 struct radeon_cs_packet *pkt,
1971 struct radeon_bo *robj)
1972 {
1973 unsigned idx;
1974 u32 value;
1975 idx = pkt->idx + 1;
1976 value = radeon_get_ib_value(p, idx + 2);
1977 if ((value + 1) > radeon_bo_size(robj)) {
1978 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1979 "(need %u have %lu) !\n",
1980 value + 1,
1981 radeon_bo_size(robj));
1982 return -EINVAL;
1983 }
1984 return 0;
1985 }
1986
1987 static int r100_packet3_check(struct radeon_cs_parser *p,
1988 struct radeon_cs_packet *pkt)
1989 {
1990 struct radeon_cs_reloc *reloc;
1991 struct r100_cs_track *track;
1992 unsigned idx;
1993 volatile uint32_t *ib;
1994 int r;
1995
1996 ib = p->ib.ptr;
1997 idx = pkt->idx + 1;
1998 track = (struct r100_cs_track *)p->track;
1999 switch (pkt->opcode) {
2000 case PACKET3_3D_LOAD_VBPNTR:
2001 r = r100_packet3_load_vbpntr(p, pkt, idx);
2002 if (r)
2003 return r;
2004 break;
2005 case PACKET3_INDX_BUFFER:
2006 r = r100_cs_packet_next_reloc(p, &reloc);
2007 if (r) {
2008 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
2009 r100_cs_dump_packet(p, pkt);
2010 return r;
2011 }
2012 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
2013 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
2014 if (r) {
2015 return r;
2016 }
2017 break;
2018 case 0x23:
2019 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
2020 r = r100_cs_packet_next_reloc(p, &reloc);
2021 if (r) {
2022 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
2023 r100_cs_dump_packet(p, pkt);
2024 return r;
2025 }
2026 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
2027 track->num_arrays = 1;
2028 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
2029
2030 track->arrays[0].robj = reloc->robj;
2031 track->arrays[0].esize = track->vtx_size;
2032
2033 track->max_indx = radeon_get_ib_value(p, idx+1);
2034
2035 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
2036 track->immd_dwords = pkt->count - 1;
2037 r = r100_cs_track_check(p->rdev, track);
2038 if (r)
2039 return r;
2040 break;
2041 case PACKET3_3D_DRAW_IMMD:
2042 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
2043 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
2044 return -EINVAL;
2045 }
2046 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
2047 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2048 track->immd_dwords = pkt->count - 1;
2049 r = r100_cs_track_check(p->rdev, track);
2050 if (r)
2051 return r;
2052 break;
2053 /* triggers drawing using in-packet vertex data */
2054 case PACKET3_3D_DRAW_IMMD_2:
2055 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
2056 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
2057 return -EINVAL;
2058 }
2059 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
2060 track->immd_dwords = pkt->count;
2061 r = r100_cs_track_check(p->rdev, track);
2062 if (r)
2063 return r;
2064 break;
2065 /* triggers drawing using in-packet vertex data */
2066 case PACKET3_3D_DRAW_VBUF_2:
2067 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
2068 r = r100_cs_track_check(p->rdev, track);
2069 if (r)
2070 return r;
2071 break;
2072 /* triggers drawing of vertex buffers setup elsewhere */
2073 case PACKET3_3D_DRAW_INDX_2:
2074 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
2075 r = r100_cs_track_check(p->rdev, track);
2076 if (r)
2077 return r;
2078 break;
2079 /* triggers drawing using indices to vertex buffer */
2080 case PACKET3_3D_DRAW_VBUF:
2081 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2082 r = r100_cs_track_check(p->rdev, track);
2083 if (r)
2084 return r;
2085 break;
2086 /* triggers drawing of vertex buffers setup elsewhere */
2087 case PACKET3_3D_DRAW_INDX:
2088 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2089 r = r100_cs_track_check(p->rdev, track);
2090 if (r)
2091 return r;
2092 break;
2093 /* triggers drawing using indices to vertex buffer */
2094 case PACKET3_3D_CLEAR_HIZ:
2095 case PACKET3_3D_CLEAR_ZMASK:
2096 if (p->rdev->hyperz_filp != p->filp)
2097 return -EINVAL;
2098 break;
2099 case PACKET3_NOP:
2100 break;
2101 default:
2102 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2103 return -EINVAL;
2104 }
2105 return 0;
2106 }
2107
2108 int r100_cs_parse(struct radeon_cs_parser *p)
2109 {
2110 struct radeon_cs_packet pkt;
2111 struct r100_cs_track *track;
2112 int r;
2113
2114 track = kzalloc(sizeof(*track), GFP_KERNEL);
2115 if (!track)
2116 return -ENOMEM;
2117 r100_cs_track_clear(p->rdev, track);
2118 p->track = track;
2119 do {
2120 r = r100_cs_packet_parse(p, &pkt, p->idx);
2121 if (r) {
2122 return r;
2123 }
2124 p->idx += pkt.count + 2;
2125 switch (pkt.type) {
2126 case PACKET_TYPE0:
2127 if (p->rdev->family >= CHIP_R200)
2128 r = r100_cs_parse_packet0(p, &pkt,
2129 p->rdev->config.r100.reg_safe_bm,
2130 p->rdev->config.r100.reg_safe_bm_size,
2131 &r200_packet0_check);
2132 else
2133 r = r100_cs_parse_packet0(p, &pkt,
2134 p->rdev->config.r100.reg_safe_bm,
2135 p->rdev->config.r100.reg_safe_bm_size,
2136 &r100_packet0_check);
2137 break;
2138 case PACKET_TYPE2:
2139 break;
2140 case PACKET_TYPE3:
2141 r = r100_packet3_check(p, &pkt);
2142 break;
2143 default:
2144 DRM_ERROR("Unknown packet type %d !\n",
2145 pkt.type);
2146 return -EINVAL;
2147 }
2148 if (r) {
2149 return r;
2150 }
2151 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2152 return 0;
2153 }
2154
2155 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2156 {
2157 DRM_ERROR("pitch %d\n", t->pitch);
2158 DRM_ERROR("use_pitch %d\n", t->use_pitch);
2159 DRM_ERROR("width %d\n", t->width);
2160 DRM_ERROR("width_11 %d\n", t->width_11);
2161 DRM_ERROR("height %d\n", t->height);
2162 DRM_ERROR("height_11 %d\n", t->height_11);
2163 DRM_ERROR("num levels %d\n", t->num_levels);
2164 DRM_ERROR("depth %d\n", t->txdepth);
2165 DRM_ERROR("bpp %d\n", t->cpp);
2166 DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
2167 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
2168 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2169 DRM_ERROR("compress format %d\n", t->compress_format);
2170 }
2171
2172 static int r100_track_compress_size(int compress_format, int w, int h)
2173 {
2174 int block_width, block_height, block_bytes;
2175 int wblocks, hblocks;
2176 int min_wblocks;
2177 int sz;
2178
2179 block_width = 4;
2180 block_height = 4;
2181
2182 switch (compress_format) {
2183 case R100_TRACK_COMP_DXT1:
2184 block_bytes = 8;
2185 min_wblocks = 4;
2186 break;
2187 default:
2188 case R100_TRACK_COMP_DXT35:
2189 block_bytes = 16;
2190 min_wblocks = 2;
2191 break;
2192 }
2193
2194 hblocks = (h + block_height - 1) / block_height;
2195 wblocks = (w + block_width - 1) / block_width;
2196 if (wblocks < min_wblocks)
2197 wblocks = min_wblocks;
2198 sz = wblocks * hblocks * block_bytes;
2199 return sz;
2200 }
2201
2202 static int r100_cs_track_cube(struct radeon_device *rdev,
2203 struct r100_cs_track *track, unsigned idx)
2204 {
2205 unsigned face, w, h;
2206 struct radeon_bo *cube_robj;
2207 unsigned long size;
2208 unsigned compress_format = track->textures[idx].compress_format;
2209
2210 for (face = 0; face < 5; face++) {
2211 cube_robj = track->textures[idx].cube_info[face].robj;
2212 w = track->textures[idx].cube_info[face].width;
2213 h = track->textures[idx].cube_info[face].height;
2214
2215 if (compress_format) {
2216 size = r100_track_compress_size(compress_format, w, h);
2217 } else
2218 size = w * h;
2219 size *= track->textures[idx].cpp;
2220
2221 size += track->textures[idx].cube_info[face].offset;
2222
2223 if (size > radeon_bo_size(cube_robj)) {
2224 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2225 size, radeon_bo_size(cube_robj));
2226 r100_cs_track_texture_print(&track->textures[idx]);
2227 return -1;
2228 }
2229 }
2230 return 0;
2231 }
2232
2233 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2234 struct r100_cs_track *track)
2235 {
2236 struct radeon_bo *robj;
2237 unsigned long size;
2238 unsigned u, i, w, h, d;
2239 int ret;
2240
2241 for (u = 0; u < track->num_texture; u++) {
2242 if (!track->textures[u].enabled)
2243 continue;
2244 if (track->textures[u].lookup_disable)
2245 continue;
2246 robj = track->textures[u].robj;
2247 if (robj == NULL) {
2248 DRM_ERROR("No texture bound to unit %u\n", u);
2249 return -EINVAL;
2250 }
2251 size = 0;
2252 for (i = 0; i <= track->textures[u].num_levels; i++) {
2253 if (track->textures[u].use_pitch) {
2254 if (rdev->family < CHIP_R300)
2255 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2256 else
2257 w = track->textures[u].pitch / (1 << i);
2258 } else {
2259 w = track->textures[u].width;
2260 if (rdev->family >= CHIP_RV515)
2261 w |= track->textures[u].width_11;
2262 w = w / (1 << i);
2263 if (track->textures[u].roundup_w)
2264 w = roundup_pow_of_two(w);
2265 }
2266 h = track->textures[u].height;
2267 if (rdev->family >= CHIP_RV515)
2268 h |= track->textures[u].height_11;
2269 h = h / (1 << i);
2270 if (track->textures[u].roundup_h)
2271 h = roundup_pow_of_two(h);
2272 if (track->textures[u].tex_coord_type == 1) {
2273 d = (1 << track->textures[u].txdepth) / (1 << i);
2274 if (!d)
2275 d = 1;
2276 } else {
2277 d = 1;
2278 }
2279 if (track->textures[u].compress_format) {
2280
2281 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2282 /* compressed textures are block based */
2283 } else
2284 size += w * h * d;
2285 }
2286 size *= track->textures[u].cpp;
2287
2288 switch (track->textures[u].tex_coord_type) {
2289 case 0:
2290 case 1:
2291 break;
2292 case 2:
2293 if (track->separate_cube) {
2294 ret = r100_cs_track_cube(rdev, track, u);
2295 if (ret)
2296 return ret;
2297 } else
2298 size *= 6;
2299 break;
2300 default:
2301 DRM_ERROR("Invalid texture coordinate type %u for unit "
2302 "%u\n", track->textures[u].tex_coord_type, u);
2303 return -EINVAL;
2304 }
2305 if (size > radeon_bo_size(robj)) {
2306 DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2307 "%lu\n", u, size, radeon_bo_size(robj));
2308 r100_cs_track_texture_print(&track->textures[u]);
2309 return -EINVAL;
2310 }
2311 }
2312 return 0;
2313 }
2314
2315 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2316 {
2317 unsigned i;
2318 unsigned long size;
2319 unsigned prim_walk;
2320 unsigned nverts;
2321 unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
2322
2323 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
2324 !track->blend_read_enable)
2325 num_cb = 0;
2326
2327 for (i = 0; i < num_cb; i++) {
2328 if (track->cb[i].robj == NULL) {
2329 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2330 return -EINVAL;
2331 }
2332 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2333 size += track->cb[i].offset;
2334 if (size > radeon_bo_size(track->cb[i].robj)) {
2335 DRM_ERROR("[drm] Buffer too small for color buffer %d "
2336 "(need %lu have %lu) !\n", i, size,
2337 radeon_bo_size(track->cb[i].robj));
2338 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2339 i, track->cb[i].pitch, track->cb[i].cpp,
2340 track->cb[i].offset, track->maxy);
2341 return -EINVAL;
2342 }
2343 }
2344 track->cb_dirty = false;
2345
2346 if (track->zb_dirty && track->z_enabled) {
2347 if (track->zb.robj == NULL) {
2348 DRM_ERROR("[drm] No buffer for z buffer !\n");
2349 return -EINVAL;
2350 }
2351 size = track->zb.pitch * track->zb.cpp * track->maxy;
2352 size += track->zb.offset;
2353 if (size > radeon_bo_size(track->zb.robj)) {
2354 DRM_ERROR("[drm] Buffer too small for z buffer "
2355 "(need %lu have %lu) !\n", size,
2356 radeon_bo_size(track->zb.robj));
2357 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2358 track->zb.pitch, track->zb.cpp,
2359 track->zb.offset, track->maxy);
2360 return -EINVAL;
2361 }
2362 }
2363 track->zb_dirty = false;
2364
2365 if (track->aa_dirty && track->aaresolve) {
2366 if (track->aa.robj == NULL) {
2367 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
2368 return -EINVAL;
2369 }
2370 /* I believe the format comes from colorbuffer0. */
2371 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
2372 size += track->aa.offset;
2373 if (size > radeon_bo_size(track->aa.robj)) {
2374 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
2375 "(need %lu have %lu) !\n", i, size,
2376 radeon_bo_size(track->aa.robj));
2377 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
2378 i, track->aa.pitch, track->cb[0].cpp,
2379 track->aa.offset, track->maxy);
2380 return -EINVAL;
2381 }
2382 }
2383 track->aa_dirty = false;
2384
2385 prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2386 if (track->vap_vf_cntl & (1 << 14)) {
2387 nverts = track->vap_alt_nverts;
2388 } else {
2389 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2390 }
2391 switch (prim_walk) {
2392 case 1:
2393 for (i = 0; i < track->num_arrays; i++) {
2394 size = track->arrays[i].esize * track->max_indx * 4;
2395 if (track->arrays[i].robj == NULL) {
2396 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2397 "bound\n", prim_walk, i);
2398 return -EINVAL;
2399 }
2400 if (size > radeon_bo_size(track->arrays[i].robj)) {
2401 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2402 "need %lu dwords have %lu dwords\n",
2403 prim_walk, i, size >> 2,
2404 radeon_bo_size(track->arrays[i].robj)
2405 >> 2);
2406 DRM_ERROR("Max indices %u\n", track->max_indx);
2407 return -EINVAL;
2408 }
2409 }
2410 break;
2411 case 2:
2412 for (i = 0; i < track->num_arrays; i++) {
2413 size = track->arrays[i].esize * (nverts - 1) * 4;
2414 if (track->arrays[i].robj == NULL) {
2415 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2416 "bound\n", prim_walk, i);
2417 return -EINVAL;
2418 }
2419 if (size > radeon_bo_size(track->arrays[i].robj)) {
2420 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2421 "need %lu dwords have %lu dwords\n",
2422 prim_walk, i, size >> 2,
2423 radeon_bo_size(track->arrays[i].robj)
2424 >> 2);
2425 return -EINVAL;
2426 }
2427 }
2428 break;
2429 case 3:
2430 size = track->vtx_size * nverts;
2431 if (size != track->immd_dwords) {
2432 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2433 track->immd_dwords, size);
2434 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2435 nverts, track->vtx_size);
2436 return -EINVAL;
2437 }
2438 break;
2439 default:
2440 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2441 prim_walk);
2442 return -EINVAL;
2443 }
2444
2445 if (track->tex_dirty) {
2446 track->tex_dirty = false;
2447 return r100_cs_track_texture_check(rdev, track);
2448 }
2449 return 0;
2450 }
2451
2452 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2453 {
2454 unsigned i, face;
2455
2456 track->cb_dirty = true;
2457 track->zb_dirty = true;
2458 track->tex_dirty = true;
2459 track->aa_dirty = true;
2460
2461 if (rdev->family < CHIP_R300) {
2462 track->num_cb = 1;
2463 if (rdev->family <= CHIP_RS200)
2464 track->num_texture = 3;
2465 else
2466 track->num_texture = 6;
2467 track->maxy = 2048;
2468 track->separate_cube = 1;
2469 } else {
2470 track->num_cb = 4;
2471 track->num_texture = 16;
2472 track->maxy = 4096;
2473 track->separate_cube = 0;
2474 track->aaresolve = false;
2475 track->aa.robj = NULL;
2476 }
2477
2478 for (i = 0; i < track->num_cb; i++) {
2479 track->cb[i].robj = NULL;
2480 track->cb[i].pitch = 8192;
2481 track->cb[i].cpp = 16;
2482 track->cb[i].offset = 0;
2483 }
2484 track->z_enabled = true;
2485 track->zb.robj = NULL;
2486 track->zb.pitch = 8192;
2487 track->zb.cpp = 4;
2488 track->zb.offset = 0;
2489 track->vtx_size = 0x7F;
2490 track->immd_dwords = 0xFFFFFFFFUL;
2491 track->num_arrays = 11;
2492 track->max_indx = 0x00FFFFFFUL;
2493 for (i = 0; i < track->num_arrays; i++) {
2494 track->arrays[i].robj = NULL;
2495 track->arrays[i].esize = 0x7F;
2496 }
2497 for (i = 0; i < track->num_texture; i++) {
2498 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
2499 track->textures[i].pitch = 16536;
2500 track->textures[i].width = 16536;
2501 track->textures[i].height = 16536;
2502 track->textures[i].width_11 = 1 << 11;
2503 track->textures[i].height_11 = 1 << 11;
2504 track->textures[i].num_levels = 12;
2505 if (rdev->family <= CHIP_RS200) {
2506 track->textures[i].tex_coord_type = 0;
2507 track->textures[i].txdepth = 0;
2508 } else {
2509 track->textures[i].txdepth = 16;
2510 track->textures[i].tex_coord_type = 1;
2511 }
2512 track->textures[i].cpp = 64;
2513 track->textures[i].robj = NULL;
2514 /* CS IB emission code makes sure texture unit are disabled */
2515 track->textures[i].enabled = false;
2516 track->textures[i].lookup_disable = false;
2517 track->textures[i].roundup_w = true;
2518 track->textures[i].roundup_h = true;
2519 if (track->separate_cube)
2520 for (face = 0; face < 5; face++) {
2521 track->textures[i].cube_info[face].robj = NULL;
2522 track->textures[i].cube_info[face].width = 16536;
2523 track->textures[i].cube_info[face].height = 16536;
2524 track->textures[i].cube_info[face].offset = 0;
2525 }
2526 }
2527 }
2528
2529 /*
2530 * Global GPU functions
2531 */
2532 void r100_errata(struct radeon_device *rdev)
2533 {
2534 rdev->pll_errata = 0;
2535
2536 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2537 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2538 }
2539
2540 if (rdev->family == CHIP_RV100 ||
2541 rdev->family == CHIP_RS100 ||
2542 rdev->family == CHIP_RS200) {
2543 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2544 }
2545 }
2546
2547 /* Wait for vertical sync on primary CRTC */
2548 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
2549 {
2550 uint32_t crtc_gen_cntl, tmp;
2551 int i;
2552
2553 crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
2554 if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
2555 !(crtc_gen_cntl & RADEON_CRTC_EN)) {
2556 return;
2557 }
2558 /* Clear the CRTC_VBLANK_SAVE bit */
2559 WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
2560 for (i = 0; i < rdev->usec_timeout; i++) {
2561 tmp = RREG32(RADEON_CRTC_STATUS);
2562 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
2563 return;
2564 }
2565 DRM_UDELAY(1);
2566 }
2567 }
2568
2569 /* Wait for vertical sync on secondary CRTC */
2570 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
2571 {
2572 uint32_t crtc2_gen_cntl, tmp;
2573 int i;
2574
2575 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
2576 if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
2577 !(crtc2_gen_cntl & RADEON_CRTC2_EN))
2578 return;
2579
2580 /* Clear the CRTC_VBLANK_SAVE bit */
2581 WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
2582 for (i = 0; i < rdev->usec_timeout; i++) {
2583 tmp = RREG32(RADEON_CRTC2_STATUS);
2584 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
2585 return;
2586 }
2587 DRM_UDELAY(1);
2588 }
2589 }
2590
2591 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2592 {
2593 unsigned i;
2594 uint32_t tmp;
2595
2596 for (i = 0; i < rdev->usec_timeout; i++) {
2597 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2598 if (tmp >= n) {
2599 return 0;
2600 }
2601 DRM_UDELAY(1);
2602 }
2603 return -1;
2604 }
2605
2606 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2607 {
2608 unsigned i;
2609 uint32_t tmp;
2610
2611 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2612 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
2613 " Bad things might happen.\n");
2614 }
2615 for (i = 0; i < rdev->usec_timeout; i++) {
2616 tmp = RREG32(RADEON_RBBM_STATUS);
2617 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2618 return 0;
2619 }
2620 DRM_UDELAY(1);
2621 }
2622 return -1;
2623 }
2624
2625 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2626 {
2627 unsigned i;
2628 uint32_t tmp;
2629
2630 for (i = 0; i < rdev->usec_timeout; i++) {
2631 /* read MC_STATUS */
2632 tmp = RREG32(RADEON_MC_STATUS);
2633 if (tmp & RADEON_MC_IDLE) {
2634 return 0;
2635 }
2636 DRM_UDELAY(1);
2637 }
2638 return -1;
2639 }
2640
2641 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2642 {
2643 u32 rbbm_status;
2644
2645 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2646 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2647 radeon_ring_lockup_update(ring);
2648 return false;
2649 }
2650 /* force CP activities */
2651 radeon_ring_force_activity(rdev, ring);
2652 return radeon_ring_test_lockup(rdev, ring);
2653 }
2654
2655 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
2656 void r100_enable_bm(struct radeon_device *rdev)
2657 {
2658 uint32_t tmp;
2659 /* Enable bus mastering */
2660 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
2661 WREG32(RADEON_BUS_CNTL, tmp);
2662 }
2663
2664 void r100_bm_disable(struct radeon_device *rdev)
2665 {
2666 u32 tmp;
2667
2668 /* disable bus mastering */
2669 tmp = RREG32(R_000030_BUS_CNTL);
2670 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2671 mdelay(1);
2672 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2673 mdelay(1);
2674 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2675 tmp = RREG32(RADEON_BUS_CNTL);
2676 mdelay(1);
2677 pci_clear_master(rdev->pdev);
2678 mdelay(1);
2679 }
2680
2681 int r100_asic_reset(struct radeon_device *rdev)
2682 {
2683 struct r100_mc_save save;
2684 u32 status, tmp;
2685 int ret = 0;
2686
2687 status = RREG32(R_000E40_RBBM_STATUS);
2688 if (!G_000E40_GUI_ACTIVE(status)) {
2689 return 0;
2690 }
2691 r100_mc_stop(rdev, &save);
2692 status = RREG32(R_000E40_RBBM_STATUS);
2693 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2694 /* stop CP */
2695 WREG32(RADEON_CP_CSQ_CNTL, 0);
2696 tmp = RREG32(RADEON_CP_RB_CNTL);
2697 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2698 WREG32(RADEON_CP_RB_RPTR_WR, 0);
2699 WREG32(RADEON_CP_RB_WPTR, 0);
2700 WREG32(RADEON_CP_RB_CNTL, tmp);
2701 /* save PCI state */
2702 pci_save_state(rdev->pdev);
2703 /* disable bus mastering */
2704 r100_bm_disable(rdev);
2705 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2706 S_0000F0_SOFT_RESET_RE(1) |
2707 S_0000F0_SOFT_RESET_PP(1) |
2708 S_0000F0_SOFT_RESET_RB(1));
2709 RREG32(R_0000F0_RBBM_SOFT_RESET);
2710 mdelay(500);
2711 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2712 mdelay(1);
2713 status = RREG32(R_000E40_RBBM_STATUS);
2714 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2715 /* reset CP */
2716 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2717 RREG32(R_0000F0_RBBM_SOFT_RESET);
2718 mdelay(500);
2719 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2720 mdelay(1);
2721 status = RREG32(R_000E40_RBBM_STATUS);
2722 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2723 /* restore PCI & busmastering */
2724 pci_restore_state(rdev->pdev);
2725 r100_enable_bm(rdev);
2726 /* Check if GPU is idle */
2727 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2728 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2729 dev_err(rdev->dev, "failed to reset GPU\n");
2730 ret = -1;
2731 } else
2732 dev_info(rdev->dev, "GPU reset succeed\n");
2733 r100_mc_resume(rdev, &save);
2734 return ret;
2735 }
2736
2737 void r100_set_common_regs(struct radeon_device *rdev)
2738 {
2739 struct drm_device *dev = rdev->ddev;
2740 bool force_dac2 = false;
2741 u32 tmp;
2742
2743 /* set these so they don't interfere with anything */
2744 WREG32(RADEON_OV0_SCALE_CNTL, 0);
2745 WREG32(RADEON_SUBPIC_CNTL, 0);
2746 WREG32(RADEON_VIPH_CONTROL, 0);
2747 WREG32(RADEON_I2C_CNTL_1, 0);
2748 WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2749 WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2750 WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2751
2752 /* always set up dac2 on rn50 and some rv100 as lots
2753 * of servers seem to wire it up to a VGA port but
2754 * don't report it in the bios connector
2755 * table.
2756 */
2757 switch (dev->pdev->device) {
2758 /* RN50 */
2759 case 0x515e:
2760 case 0x5969:
2761 force_dac2 = true;
2762 break;
2763 /* RV100*/
2764 case 0x5159:
2765 case 0x515a:
2766 /* DELL triple head servers */
2767 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2768 ((dev->pdev->subsystem_device == 0x016c) ||
2769 (dev->pdev->subsystem_device == 0x016d) ||
2770 (dev->pdev->subsystem_device == 0x016e) ||
2771 (dev->pdev->subsystem_device == 0x016f) ||
2772 (dev->pdev->subsystem_device == 0x0170) ||
2773 (dev->pdev->subsystem_device == 0x017d) ||
2774 (dev->pdev->subsystem_device == 0x017e) ||
2775 (dev->pdev->subsystem_device == 0x0183) ||
2776 (dev->pdev->subsystem_device == 0x018a) ||
2777 (dev->pdev->subsystem_device == 0x019a)))
2778 force_dac2 = true;
2779 break;
2780 }
2781
2782 if (force_dac2) {
2783 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2784 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2785 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2786
2787 /* For CRT on DAC2, don't turn it on if BIOS didn't
2788 enable it, even it's detected.
2789 */
2790
2791 /* force it to crtc0 */
2792 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2793 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2794 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2795
2796 /* set up the TV DAC */
2797 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2798 RADEON_TV_DAC_STD_MASK |
2799 RADEON_TV_DAC_RDACPD |
2800 RADEON_TV_DAC_GDACPD |
2801 RADEON_TV_DAC_BDACPD |
2802 RADEON_TV_DAC_BGADJ_MASK |
2803 RADEON_TV_DAC_DACADJ_MASK);
2804 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2805 RADEON_TV_DAC_NHOLD |
2806 RADEON_TV_DAC_STD_PS2 |
2807 (0x58 << 16));
2808
2809 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2810 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2811 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2812 }
2813
2814 /* switch PM block to ACPI mode */
2815 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2816 tmp &= ~RADEON_PM_MODE_SEL;
2817 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2818
2819 }
2820
2821 /*
2822 * VRAM info
2823 */
2824 static void r100_vram_get_type(struct radeon_device *rdev)
2825 {
2826 uint32_t tmp;
2827
2828 rdev->mc.vram_is_ddr = false;
2829 if (rdev->flags & RADEON_IS_IGP)
2830 rdev->mc.vram_is_ddr = true;
2831 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2832 rdev->mc.vram_is_ddr = true;
2833 if ((rdev->family == CHIP_RV100) ||
2834 (rdev->family == CHIP_RS100) ||
2835 (rdev->family == CHIP_RS200)) {
2836 tmp = RREG32(RADEON_MEM_CNTL);
2837 if (tmp & RV100_HALF_MODE) {
2838 rdev->mc.vram_width = 32;
2839 } else {
2840 rdev->mc.vram_width = 64;
2841 }
2842 if (rdev->flags & RADEON_SINGLE_CRTC) {
2843 rdev->mc.vram_width /= 4;
2844 rdev->mc.vram_is_ddr = true;
2845 }
2846 } else if (rdev->family <= CHIP_RV280) {
2847 tmp = RREG32(RADEON_MEM_CNTL);
2848 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2849 rdev->mc.vram_width = 128;
2850 } else {
2851 rdev->mc.vram_width = 64;
2852 }
2853 } else {
2854 /* newer IGPs */
2855 rdev->mc.vram_width = 128;
2856 }
2857 }
2858
2859 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2860 {
2861 u32 aper_size;
2862 u8 byte;
2863
2864 aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2865
2866 /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2867 * that is has the 2nd generation multifunction PCI interface
2868 */
2869 if (rdev->family == CHIP_RV280 ||
2870 rdev->family >= CHIP_RV350) {
2871 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2872 ~RADEON_HDP_APER_CNTL);
2873 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2874 return aper_size * 2;
2875 }
2876
2877 /* Older cards have all sorts of funny issues to deal with. First
2878 * check if it's a multifunction card by reading the PCI config
2879 * header type... Limit those to one aperture size
2880 */
2881 pci_read_config_byte(rdev->pdev, 0xe, &byte);
2882 if (byte & 0x80) {
2883 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2884 DRM_INFO("Limiting VRAM to one aperture\n");
2885 return aper_size;
2886 }
2887
2888 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2889 * have set it up. We don't write this as it's broken on some ASICs but
2890 * we expect the BIOS to have done the right thing (might be too optimistic...)
2891 */
2892 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2893 return aper_size * 2;
2894 return aper_size;
2895 }
2896
2897 void r100_vram_init_sizes(struct radeon_device *rdev)
2898 {
2899 u64 config_aper_size;
2900
2901 /* work out accessible VRAM */
2902 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2903 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2904 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2905 /* FIXME we don't use the second aperture yet when we could use it */
2906 if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2907 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2908 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2909 if (rdev->flags & RADEON_IS_IGP) {
2910 uint32_t tom;
2911 /* read NB_TOM to get the amount of ram stolen for the GPU */
2912 tom = RREG32(RADEON_NB_TOM);
2913 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2914 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2915 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2916 } else {
2917 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2918 /* Some production boards of m6 will report 0
2919 * if it's 8 MB
2920 */
2921 if (rdev->mc.real_vram_size == 0) {
2922 rdev->mc.real_vram_size = 8192 * 1024;
2923 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2924 }
2925 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2926 * Novell bug 204882 + along with lots of ubuntu ones
2927 */
2928 if (rdev->mc.aper_size > config_aper_size)
2929 config_aper_size = rdev->mc.aper_size;
2930
2931 if (config_aper_size > rdev->mc.real_vram_size)
2932 rdev->mc.mc_vram_size = config_aper_size;
2933 else
2934 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2935 }
2936 }
2937
2938 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2939 {
2940 uint32_t temp;
2941
2942 temp = RREG32(RADEON_CONFIG_CNTL);
2943 if (state == false) {
2944 temp &= ~RADEON_CFG_VGA_RAM_EN;
2945 temp |= RADEON_CFG_VGA_IO_DIS;
2946 } else {
2947 temp &= ~RADEON_CFG_VGA_IO_DIS;
2948 }
2949 WREG32(RADEON_CONFIG_CNTL, temp);
2950 }
2951
2952 void r100_mc_init(struct radeon_device *rdev)
2953 {
2954 u64 base;
2955
2956 r100_vram_get_type(rdev);
2957 r100_vram_init_sizes(rdev);
2958 base = rdev->mc.aper_base;
2959 if (rdev->flags & RADEON_IS_IGP)
2960 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2961 radeon_vram_location(rdev, &rdev->mc, base);
2962 rdev->mc.gtt_base_align = 0;
2963 if (!(rdev->flags & RADEON_IS_AGP))
2964 radeon_gtt_location(rdev, &rdev->mc);
2965 radeon_update_bandwidth_info(rdev);
2966 }
2967
2968
2969 /*
2970 * Indirect registers accessor
2971 */
2972 void r100_pll_errata_after_index(struct radeon_device *rdev)
2973 {
2974 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2975 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2976 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2977 }
2978 }
2979
2980 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2981 {
2982 /* This workarounds is necessary on RV100, RS100 and RS200 chips
2983 * or the chip could hang on a subsequent access
2984 */
2985 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2986 mdelay(5);
2987 }
2988
2989 /* This function is required to workaround a hardware bug in some (all?)
2990 * revisions of the R300. This workaround should be called after every
2991 * CLOCK_CNTL_INDEX register access. If not, register reads afterward
2992 * may not be correct.
2993 */
2994 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2995 uint32_t save, tmp;
2996
2997 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2998 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2999 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
3000 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
3001 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
3002 }
3003 }
3004
3005 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
3006 {
3007 uint32_t data;
3008
3009 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
3010 r100_pll_errata_after_index(rdev);
3011 data = RREG32(RADEON_CLOCK_CNTL_DATA);
3012 r100_pll_errata_after_data(rdev);
3013 return data;
3014 }
3015
3016 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
3017 {
3018 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
3019 r100_pll_errata_after_index(rdev);
3020 WREG32(RADEON_CLOCK_CNTL_DATA, v);
3021 r100_pll_errata_after_data(rdev);
3022 }
3023
3024 void r100_set_safe_registers(struct radeon_device *rdev)
3025 {
3026 if (ASIC_IS_RN50(rdev)) {
3027 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
3028 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
3029 } else if (rdev->family < CHIP_R200) {
3030 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
3031 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
3032 } else {
3033 r200_set_safe_registers(rdev);
3034 }
3035 }
3036
3037 /*
3038 * Debugfs info
3039 */
3040 #if defined(CONFIG_DEBUG_FS)
3041 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
3042 {
3043 struct drm_info_node *node = (struct drm_info_node *) m->private;
3044 struct drm_device *dev = node->minor->dev;
3045 struct radeon_device *rdev = dev->dev_private;
3046 uint32_t reg, value;
3047 unsigned i;
3048
3049 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
3050 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
3051 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
3052 for (i = 0; i < 64; i++) {
3053 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
3054 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
3055 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
3056 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
3057 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
3058 }
3059 return 0;
3060 }
3061
3062 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
3063 {
3064 struct drm_info_node *node = (struct drm_info_node *) m->private;
3065 struct drm_device *dev = node->minor->dev;
3066 struct radeon_device *rdev = dev->dev_private;
3067 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3068 uint32_t rdp, wdp;
3069 unsigned count, i, j;
3070
3071 radeon_ring_free_size(rdev, ring);
3072 rdp = RREG32(RADEON_CP_RB_RPTR);
3073 wdp = RREG32(RADEON_CP_RB_WPTR);
3074 count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
3075 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
3076 seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
3077 seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
3078 seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
3079 seq_printf(m, "%u dwords in ring\n", count);
3080 for (j = 0; j <= count; j++) {
3081 i = (rdp + j) & ring->ptr_mask;
3082 seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
3083 }
3084 return 0;
3085 }
3086
3087
3088 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
3089 {
3090 struct drm_info_node *node = (struct drm_info_node *) m->private;
3091 struct drm_device *dev = node->minor->dev;
3092 struct radeon_device *rdev = dev->dev_private;
3093 uint32_t csq_stat, csq2_stat, tmp;
3094 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
3095 unsigned i;
3096
3097 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
3098 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
3099 csq_stat = RREG32(RADEON_CP_CSQ_STAT);
3100 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
3101 r_rptr = (csq_stat >> 0) & 0x3ff;
3102 r_wptr = (csq_stat >> 10) & 0x3ff;
3103 ib1_rptr = (csq_stat >> 20) & 0x3ff;
3104 ib1_wptr = (csq2_stat >> 0) & 0x3ff;
3105 ib2_rptr = (csq2_stat >> 10) & 0x3ff;
3106 ib2_wptr = (csq2_stat >> 20) & 0x3ff;
3107 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
3108 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
3109 seq_printf(m, "Ring rptr %u\n", r_rptr);
3110 seq_printf(m, "Ring wptr %u\n", r_wptr);
3111 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
3112 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
3113 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
3114 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
3115 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
3116 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
3117 seq_printf(m, "Ring fifo:\n");
3118 for (i = 0; i < 256; i++) {
3119 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3120 tmp = RREG32(RADEON_CP_CSQ_DATA);
3121 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
3122 }
3123 seq_printf(m, "Indirect1 fifo:\n");
3124 for (i = 256; i <= 512; i++) {
3125 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3126 tmp = RREG32(RADEON_CP_CSQ_DATA);
3127 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
3128 }
3129 seq_printf(m, "Indirect2 fifo:\n");
3130 for (i = 640; i < ib1_wptr; i++) {
3131 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3132 tmp = RREG32(RADEON_CP_CSQ_DATA);
3133 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
3134 }
3135 return 0;
3136 }
3137
3138 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
3139 {
3140 struct drm_info_node *node = (struct drm_info_node *) m->private;
3141 struct drm_device *dev = node->minor->dev;
3142 struct radeon_device *rdev = dev->dev_private;
3143 uint32_t tmp;
3144
3145 tmp = RREG32(RADEON_CONFIG_MEMSIZE);
3146 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
3147 tmp = RREG32(RADEON_MC_FB_LOCATION);
3148 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
3149 tmp = RREG32(RADEON_BUS_CNTL);
3150 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
3151 tmp = RREG32(RADEON_MC_AGP_LOCATION);
3152 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
3153 tmp = RREG32(RADEON_AGP_BASE);
3154 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
3155 tmp = RREG32(RADEON_HOST_PATH_CNTL);
3156 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
3157 tmp = RREG32(0x01D0);
3158 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
3159 tmp = RREG32(RADEON_AIC_LO_ADDR);
3160 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
3161 tmp = RREG32(RADEON_AIC_HI_ADDR);
3162 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
3163 tmp = RREG32(0x01E4);
3164 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
3165 return 0;
3166 }
3167
3168 static struct drm_info_list r100_debugfs_rbbm_list[] = {
3169 {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
3170 };
3171
3172 static struct drm_info_list r100_debugfs_cp_list[] = {
3173 {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
3174 {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
3175 };
3176
3177 static struct drm_info_list r100_debugfs_mc_info_list[] = {
3178 {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
3179 };
3180 #endif
3181
3182 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
3183 {
3184 #if defined(CONFIG_DEBUG_FS)
3185 return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
3186 #else
3187 return 0;
3188 #endif
3189 }
3190
3191 int r100_debugfs_cp_init(struct radeon_device *rdev)
3192 {
3193 #if defined(CONFIG_DEBUG_FS)
3194 return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
3195 #else
3196 return 0;
3197 #endif
3198 }
3199
3200 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
3201 {
3202 #if defined(CONFIG_DEBUG_FS)
3203 return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
3204 #else
3205 return 0;
3206 #endif
3207 }
3208
3209 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
3210 uint32_t tiling_flags, uint32_t pitch,
3211 uint32_t offset, uint32_t obj_size)
3212 {
3213 int surf_index = reg * 16;
3214 int flags = 0;
3215
3216 if (rdev->family <= CHIP_RS200) {
3217 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3218 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3219 flags |= RADEON_SURF_TILE_COLOR_BOTH;
3220 if (tiling_flags & RADEON_TILING_MACRO)
3221 flags |= RADEON_SURF_TILE_COLOR_MACRO;
3222 } else if (rdev->family <= CHIP_RV280) {
3223 if (tiling_flags & (RADEON_TILING_MACRO))
3224 flags |= R200_SURF_TILE_COLOR_MACRO;
3225 if (tiling_flags & RADEON_TILING_MICRO)
3226 flags |= R200_SURF_TILE_COLOR_MICRO;
3227 } else {
3228 if (tiling_flags & RADEON_TILING_MACRO)
3229 flags |= R300_SURF_TILE_MACRO;
3230 if (tiling_flags & RADEON_TILING_MICRO)
3231 flags |= R300_SURF_TILE_MICRO;
3232 }
3233
3234 if (tiling_flags & RADEON_TILING_SWAP_16BIT)
3235 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
3236 if (tiling_flags & RADEON_TILING_SWAP_32BIT)
3237 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
3238
3239 /* when we aren't tiling the pitch seems to needs to be furtherdivided down. - tested on power5 + rn50 server */
3240 if (tiling_flags & (RADEON_TILING_SWAP_16BIT | RADEON_TILING_SWAP_32BIT)) {
3241 if (!(tiling_flags & (RADEON_TILING_MACRO | RADEON_TILING_MICRO)))
3242 if (ASIC_IS_RN50(rdev))
3243 pitch /= 16;
3244 }
3245
3246 /* r100/r200 divide by 16 */
3247 if (rdev->family < CHIP_R300)
3248 flags |= pitch / 16;
3249 else
3250 flags |= pitch / 8;
3251
3252
3253 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
3254 WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
3255 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
3256 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
3257 return 0;
3258 }
3259
3260 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
3261 {
3262 int surf_index = reg * 16;
3263 WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
3264 }
3265
3266 void r100_bandwidth_update(struct radeon_device *rdev)
3267 {
3268 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
3269 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
3270 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
3271 uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
3272 fixed20_12 memtcas_ff[8] = {
3273 dfixed_init(1),
3274 dfixed_init(2),
3275 dfixed_init(3),
3276 dfixed_init(0),
3277 dfixed_init_half(1),
3278 dfixed_init_half(2),
3279 dfixed_init(0),
3280 };
3281 fixed20_12 memtcas_rs480_ff[8] = {
3282 dfixed_init(0),
3283 dfixed_init(1),
3284 dfixed_init(2),
3285 dfixed_init(3),
3286 dfixed_init(0),
3287 dfixed_init_half(1),
3288 dfixed_init_half(2),
3289 dfixed_init_half(3),
3290 };
3291 fixed20_12 memtcas2_ff[8] = {
3292 dfixed_init(0),
3293 dfixed_init(1),
3294 dfixed_init(2),
3295 dfixed_init(3),
3296 dfixed_init(4),
3297 dfixed_init(5),
3298 dfixed_init(6),
3299 dfixed_init(7),
3300 };
3301 fixed20_12 memtrbs[8] = {
3302 dfixed_init(1),
3303 dfixed_init_half(1),
3304 dfixed_init(2),
3305 dfixed_init_half(2),
3306 dfixed_init(3),
3307 dfixed_init_half(3),
3308 dfixed_init(4),
3309 dfixed_init_half(4)
3310 };
3311 fixed20_12 memtrbs_r4xx[8] = {
3312 dfixed_init(4),
3313 dfixed_init(5),
3314 dfixed_init(6),
3315 dfixed_init(7),
3316 dfixed_init(8),
3317 dfixed_init(9),
3318 dfixed_init(10),
3319 dfixed_init(11)
3320 };
3321 fixed20_12 min_mem_eff;
3322 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
3323 fixed20_12 cur_latency_mclk, cur_latency_sclk;
3324 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
3325 disp_drain_rate2, read_return_rate;
3326 fixed20_12 time_disp1_drop_priority;
3327 int c;
3328 int cur_size = 16; /* in octawords */
3329 int critical_point = 0, critical_point2;
3330 /* uint32_t read_return_rate, time_disp1_drop_priority; */
3331 int stop_req, max_stop_req;
3332 struct drm_display_mode *mode1 = NULL;
3333 struct drm_display_mode *mode2 = NULL;
3334 uint32_t pixel_bytes1 = 0;
3335 uint32_t pixel_bytes2 = 0;
3336
3337 radeon_update_display_priority(rdev);
3338
3339 if (rdev->mode_info.crtcs[0]->base.enabled) {
3340 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
3341 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
3342 }
3343 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3344 if (rdev->mode_info.crtcs[1]->base.enabled) {
3345 mode2 = &rdev->mode_info.crtcs[1]->base.mode;
3346 pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
3347 }
3348 }
3349
3350 min_mem_eff.full = dfixed_const_8(0);
3351 /* get modes */
3352 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
3353 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
3354 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
3355 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
3356 /* check crtc enables */
3357 if (mode2)
3358 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
3359 if (mode1)
3360 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
3361 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
3362 }
3363
3364 /*
3365 * determine is there is enough bw for current mode
3366 */
3367 sclk_ff = rdev->pm.sclk;
3368 mclk_ff = rdev->pm.mclk;
3369
3370 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
3371 temp_ff.full = dfixed_const(temp);
3372 mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
3373
3374 pix_clk.full = 0;
3375 pix_clk2.full = 0;
3376 peak_disp_bw.full = 0;
3377 if (mode1) {
3378 temp_ff.full = dfixed_const(1000);
3379 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
3380 pix_clk.full = dfixed_div(pix_clk, temp_ff);
3381 temp_ff.full = dfixed_const(pixel_bytes1);
3382 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
3383 }
3384 if (mode2) {
3385 temp_ff.full = dfixed_const(1000);
3386 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
3387 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
3388 temp_ff.full = dfixed_const(pixel_bytes2);
3389 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
3390 }
3391
3392 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
3393 if (peak_disp_bw.full >= mem_bw.full) {
3394 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
3395 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
3396 }
3397
3398 /* Get values from the EXT_MEM_CNTL register...converting its contents. */
3399 temp = RREG32(RADEON_MEM_TIMING_CNTL);
3400 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
3401 mem_trcd = ((temp >> 2) & 0x3) + 1;
3402 mem_trp = ((temp & 0x3)) + 1;
3403 mem_tras = ((temp & 0x70) >> 4) + 1;
3404 } else if (rdev->family == CHIP_R300 ||
3405 rdev->family == CHIP_R350) { /* r300, r350 */
3406 mem_trcd = (temp & 0x7) + 1;
3407 mem_trp = ((temp >> 8) & 0x7) + 1;
3408 mem_tras = ((temp >> 11) & 0xf) + 4;
3409 } else if (rdev->family == CHIP_RV350 ||
3410 rdev->family <= CHIP_RV380) {
3411 /* rv3x0 */
3412 mem_trcd = (temp & 0x7) + 3;
3413 mem_trp = ((temp >> 8) & 0x7) + 3;
3414 mem_tras = ((temp >> 11) & 0xf) + 6;
3415 } else if (rdev->family == CHIP_R420 ||
3416 rdev->family == CHIP_R423 ||
3417 rdev->family == CHIP_RV410) {
3418 /* r4xx */
3419 mem_trcd = (temp & 0xf) + 3;
3420 if (mem_trcd > 15)
3421 mem_trcd = 15;
3422 mem_trp = ((temp >> 8) & 0xf) + 3;
3423 if (mem_trp > 15)
3424 mem_trp = 15;
3425 mem_tras = ((temp >> 12) & 0x1f) + 6;
3426 if (mem_tras > 31)
3427 mem_tras = 31;
3428 } else { /* RV200, R200 */
3429 mem_trcd = (temp & 0x7) + 1;
3430 mem_trp = ((temp >> 8) & 0x7) + 1;
3431 mem_tras = ((temp >> 12) & 0xf) + 4;
3432 }
3433 /* convert to FF */
3434 trcd_ff.full = dfixed_const(mem_trcd);
3435 trp_ff.full = dfixed_const(mem_trp);
3436 tras_ff.full = dfixed_const(mem_tras);
3437
3438 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3439 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3440 data = (temp & (7 << 20)) >> 20;
3441 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3442 if (rdev->family == CHIP_RS480) /* don't think rs400 */
3443 tcas_ff = memtcas_rs480_ff[data];
3444 else
3445 tcas_ff = memtcas_ff[data];
3446 } else
3447 tcas_ff = memtcas2_ff[data];
3448
3449 if (rdev->family == CHIP_RS400 ||
3450 rdev->family == CHIP_RS480) {
3451 /* extra cas latency stored in bits 23-25 0-4 clocks */
3452 data = (temp >> 23) & 0x7;
3453 if (data < 5)
3454 tcas_ff.full += dfixed_const(data);
3455 }
3456
3457 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3458 /* on the R300, Tcas is included in Trbs.
3459 */
3460 temp = RREG32(RADEON_MEM_CNTL);
3461 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3462 if (data == 1) {
3463 if (R300_MEM_USE_CD_CH_ONLY & temp) {
3464 temp = RREG32(R300_MC_IND_INDEX);
3465 temp &= ~R300_MC_IND_ADDR_MASK;
3466 temp |= R300_MC_READ_CNTL_CD_mcind;
3467 WREG32(R300_MC_IND_INDEX, temp);
3468 temp = RREG32(R300_MC_IND_DATA);
3469 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3470 } else {
3471 temp = RREG32(R300_MC_READ_CNTL_AB);
3472 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3473 }
3474 } else {
3475 temp = RREG32(R300_MC_READ_CNTL_AB);
3476 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3477 }
3478 if (rdev->family == CHIP_RV410 ||
3479 rdev->family == CHIP_R420 ||
3480 rdev->family == CHIP_R423)
3481 trbs_ff = memtrbs_r4xx[data];
3482 else
3483 trbs_ff = memtrbs[data];
3484 tcas_ff.full += trbs_ff.full;
3485 }
3486
3487 sclk_eff_ff.full = sclk_ff.full;
3488
3489 if (rdev->flags & RADEON_IS_AGP) {
3490 fixed20_12 agpmode_ff;
3491 agpmode_ff.full = dfixed_const(radeon_agpmode);
3492 temp_ff.full = dfixed_const_666(16);
3493 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3494 }
3495 /* TODO PCIE lanes may affect this - agpmode == 16?? */
3496
3497 if (ASIC_IS_R300(rdev)) {
3498 sclk_delay_ff.full = dfixed_const(250);
3499 } else {
3500 if ((rdev->family == CHIP_RV100) ||
3501 rdev->flags & RADEON_IS_IGP) {
3502 if (rdev->mc.vram_is_ddr)
3503 sclk_delay_ff.full = dfixed_const(41);
3504 else
3505 sclk_delay_ff.full = dfixed_const(33);
3506 } else {
3507 if (rdev->mc.vram_width == 128)
3508 sclk_delay_ff.full = dfixed_const(57);
3509 else
3510 sclk_delay_ff.full = dfixed_const(41);
3511 }
3512 }
3513
3514 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3515
3516 if (rdev->mc.vram_is_ddr) {
3517 if (rdev->mc.vram_width == 32) {
3518 k1.full = dfixed_const(40);
3519 c = 3;
3520 } else {
3521 k1.full = dfixed_const(20);
3522 c = 1;
3523 }
3524 } else {
3525 k1.full = dfixed_const(40);
3526 c = 3;
3527 }
3528
3529 temp_ff.full = dfixed_const(2);
3530 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3531 temp_ff.full = dfixed_const(c);
3532 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3533 temp_ff.full = dfixed_const(4);
3534 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3535 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3536 mc_latency_mclk.full += k1.full;
3537
3538 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3539 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3540
3541 /*
3542 HW cursor time assuming worst case of full size colour cursor.
3543 */
3544 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3545 temp_ff.full += trcd_ff.full;
3546 if (temp_ff.full < tras_ff.full)
3547 temp_ff.full = tras_ff.full;
3548 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3549
3550 temp_ff.full = dfixed_const(cur_size);
3551 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3552 /*
3553 Find the total latency for the display data.
3554 */
3555 disp_latency_overhead.full = dfixed_const(8);
3556 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3557 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3558 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3559
3560 if (mc_latency_mclk.full > mc_latency_sclk.full)
3561 disp_latency.full = mc_latency_mclk.full;
3562 else
3563 disp_latency.full = mc_latency_sclk.full;
3564
3565 /* setup Max GRPH_STOP_REQ default value */
3566 if (ASIC_IS_RV100(rdev))
3567 max_stop_req = 0x5c;
3568 else
3569 max_stop_req = 0x7c;
3570
3571 if (mode1) {
3572 /* CRTC1
3573 Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3574 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3575 */
3576 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3577
3578 if (stop_req > max_stop_req)
3579 stop_req = max_stop_req;
3580
3581 /*
3582 Find the drain rate of the display buffer.
3583 */
3584 temp_ff.full = dfixed_const((16/pixel_bytes1));
3585 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3586
3587 /*
3588 Find the critical point of the display buffer.
3589 */
3590 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3591 crit_point_ff.full += dfixed_const_half(0);
3592
3593 critical_point = dfixed_trunc(crit_point_ff);
3594
3595 if (rdev->disp_priority == 2) {
3596 critical_point = 0;
3597 }
3598
3599 /*
3600 The critical point should never be above max_stop_req-4. Setting
3601 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3602 */
3603 if (max_stop_req - critical_point < 4)
3604 critical_point = 0;
3605
3606 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3607 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3608 critical_point = 0x10;
3609 }
3610
3611 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3612 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3613 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3614 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3615 if ((rdev->family == CHIP_R350) &&
3616 (stop_req > 0x15)) {
3617 stop_req -= 0x10;
3618 }
3619 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3620 temp |= RADEON_GRPH_BUFFER_SIZE;
3621 temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
3622 RADEON_GRPH_CRITICAL_AT_SOF |
3623 RADEON_GRPH_STOP_CNTL);
3624 /*
3625 Write the result into the register.
3626 */
3627 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3628 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3629
3630 #if 0
3631 if ((rdev->family == CHIP_RS400) ||
3632 (rdev->family == CHIP_RS480)) {
3633 /* attempt to program RS400 disp regs correctly ??? */
3634 temp = RREG32(RS400_DISP1_REG_CNTL);
3635 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3636 RS400_DISP1_STOP_REQ_LEVEL_MASK);
3637 WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3638 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3639 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3640 temp = RREG32(RS400_DMIF_MEM_CNTL1);
3641 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3642 RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3643 WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3644 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3645 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3646 }
3647 #endif
3648
3649 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3650 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
3651 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3652 }
3653
3654 if (mode2) {
3655 u32 grph2_cntl;
3656 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3657
3658 if (stop_req > max_stop_req)
3659 stop_req = max_stop_req;
3660
3661 /*
3662 Find the drain rate of the display buffer.
3663 */
3664 temp_ff.full = dfixed_const((16/pixel_bytes2));
3665 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3666
3667 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3668 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3669 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3670 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3671 if ((rdev->family == CHIP_R350) &&
3672 (stop_req > 0x15)) {
3673 stop_req -= 0x10;
3674 }
3675 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3676 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3677 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
3678 RADEON_GRPH_CRITICAL_AT_SOF |
3679 RADEON_GRPH_STOP_CNTL);
3680
3681 if ((rdev->family == CHIP_RS100) ||
3682 (rdev->family == CHIP_RS200))
3683 critical_point2 = 0;
3684 else {
3685 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3686 temp_ff.full = dfixed_const(temp);
3687 temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3688 if (sclk_ff.full < temp_ff.full)
3689 temp_ff.full = sclk_ff.full;
3690
3691 read_return_rate.full = temp_ff.full;
3692
3693 if (mode1) {
3694 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3695 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3696 } else {
3697 time_disp1_drop_priority.full = 0;
3698 }
3699 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3700 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3701 crit_point_ff.full += dfixed_const_half(0);
3702
3703 critical_point2 = dfixed_trunc(crit_point_ff);
3704
3705 if (rdev->disp_priority == 2) {
3706 critical_point2 = 0;
3707 }
3708
3709 if (max_stop_req - critical_point2 < 4)
3710 critical_point2 = 0;
3711
3712 }
3713
3714 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3715 /* some R300 cards have problem with this set to 0 */
3716 critical_point2 = 0x10;
3717 }
3718
3719 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3720 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3721
3722 if ((rdev->family == CHIP_RS400) ||
3723 (rdev->family == CHIP_RS480)) {
3724 #if 0
3725 /* attempt to program RS400 disp2 regs correctly ??? */
3726 temp = RREG32(RS400_DISP2_REQ_CNTL1);
3727 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3728 RS400_DISP2_STOP_REQ_LEVEL_MASK);
3729 WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3730 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3731 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3732 temp = RREG32(RS400_DISP2_REQ_CNTL2);
3733 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3734 RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3735 WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3736 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3737 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3738 #endif
3739 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3740 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3741 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
3742 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3743 }
3744
3745 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3746 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3747 }
3748 }
3749
3750 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3751 {
3752 uint32_t scratch;
3753 uint32_t tmp = 0;
3754 unsigned i;
3755 int r;
3756
3757 r = radeon_scratch_get(rdev, &scratch);
3758 if (r) {
3759 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3760 return r;
3761 }
3762 WREG32(scratch, 0xCAFEDEAD);
3763 r = radeon_ring_lock(rdev, ring, 2);
3764 if (r) {
3765 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3766 radeon_scratch_free(rdev, scratch);
3767 return r;
3768 }
3769 radeon_ring_write(ring, PACKET0(scratch, 0));
3770 radeon_ring_write(ring, 0xDEADBEEF);
3771 radeon_ring_unlock_commit(rdev, ring);
3772 for (i = 0; i < rdev->usec_timeout; i++) {
3773 tmp = RREG32(scratch);
3774 if (tmp == 0xDEADBEEF) {
3775 break;
3776 }
3777 DRM_UDELAY(1);
3778 }
3779 if (i < rdev->usec_timeout) {
3780 DRM_INFO("ring test succeeded in %d usecs\n", i);
3781 } else {
3782 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3783 scratch, tmp);
3784 r = -EINVAL;
3785 }
3786 radeon_scratch_free(rdev, scratch);
3787 return r;
3788 }
3789
3790 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3791 {
3792 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3793
3794 if (ring->rptr_save_reg) {
3795 u32 next_rptr = ring->wptr + 2 + 3;
3796 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
3797 radeon_ring_write(ring, next_rptr);
3798 }
3799
3800 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3801 radeon_ring_write(ring, ib->gpu_addr);
3802 radeon_ring_write(ring, ib->length_dw);
3803 }
3804
3805 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3806 {
3807 struct radeon_ib ib;
3808 uint32_t scratch;
3809 uint32_t tmp = 0;
3810 unsigned i;
3811 int r;
3812
3813 r = radeon_scratch_get(rdev, &scratch);
3814 if (r) {
3815 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3816 return r;
3817 }
3818 WREG32(scratch, 0xCAFEDEAD);
3819 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, 256);
3820 if (r) {
3821 return r;
3822 }
3823 ib.ptr[0] = PACKET0(scratch, 0);
3824 ib.ptr[1] = 0xDEADBEEF;
3825 ib.ptr[2] = PACKET2(0);
3826 ib.ptr[3] = PACKET2(0);
3827 ib.ptr[4] = PACKET2(0);
3828 ib.ptr[5] = PACKET2(0);
3829 ib.ptr[6] = PACKET2(0);
3830 ib.ptr[7] = PACKET2(0);
3831 ib.length_dw = 8;
3832 r = radeon_ib_schedule(rdev, &ib, NULL);
3833 if (r) {
3834 radeon_scratch_free(rdev, scratch);
3835 radeon_ib_free(rdev, &ib);
3836 return r;
3837 }
3838 r = radeon_fence_wait(ib.fence, false);
3839 if (r) {
3840 return r;
3841 }
3842 for (i = 0; i < rdev->usec_timeout; i++) {
3843 tmp = RREG32(scratch);
3844 if (tmp == 0xDEADBEEF) {
3845 break;
3846 }
3847 DRM_UDELAY(1);
3848 }
3849 if (i < rdev->usec_timeout) {
3850 DRM_INFO("ib test succeeded in %u usecs\n", i);
3851 } else {
3852 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3853 scratch, tmp);
3854 r = -EINVAL;
3855 }
3856 radeon_scratch_free(rdev, scratch);
3857 radeon_ib_free(rdev, &ib);
3858 return r;
3859 }
3860
3861 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3862 {
3863 /* Shutdown CP we shouldn't need to do that but better be safe than
3864 * sorry
3865 */
3866 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3867 WREG32(R_000740_CP_CSQ_CNTL, 0);
3868
3869 /* Save few CRTC registers */
3870 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3871 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3872 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3873 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3874 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3875 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3876 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3877 }
3878
3879 /* Disable VGA aperture access */
3880 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3881 /* Disable cursor, overlay, crtc */
3882 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3883 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3884 S_000054_CRTC_DISPLAY_DIS(1));
3885 WREG32(R_000050_CRTC_GEN_CNTL,
3886 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3887 S_000050_CRTC_DISP_REQ_EN_B(1));
3888 WREG32(R_000420_OV0_SCALE_CNTL,
3889 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3890 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3891 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3892 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3893 S_000360_CUR2_LOCK(1));
3894 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3895 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3896 S_0003F8_CRTC2_DISPLAY_DIS(1) |
3897 S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3898 WREG32(R_000360_CUR2_OFFSET,
3899 C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3900 }
3901 }
3902
3903 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3904 {
3905 /* Update base address for crtc */
3906 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3907 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3908 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3909 }
3910 /* Restore CRTC registers */
3911 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3912 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3913 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3914 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3915 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3916 }
3917 }
3918
3919 void r100_vga_render_disable(struct radeon_device *rdev)
3920 {
3921 u32 tmp;
3922
3923 tmp = RREG8(R_0003C2_GENMO_WT);
3924 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3925 }
3926
3927 static void r100_debugfs(struct radeon_device *rdev)
3928 {
3929 int r;
3930
3931 r = r100_debugfs_mc_info_init(rdev);
3932 if (r)
3933 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3934 }
3935
3936 static void r100_mc_program(struct radeon_device *rdev)
3937 {
3938 struct r100_mc_save save;
3939
3940 /* Stops all mc clients */
3941 r100_mc_stop(rdev, &save);
3942 if (rdev->flags & RADEON_IS_AGP) {
3943 WREG32(R_00014C_MC_AGP_LOCATION,
3944 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3945 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3946 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3947 if (rdev->family > CHIP_RV200)
3948 WREG32(R_00015C_AGP_BASE_2,
3949 upper_32_bits(rdev->mc.agp_base) & 0xff);
3950 } else {
3951 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3952 WREG32(R_000170_AGP_BASE, 0);
3953 if (rdev->family > CHIP_RV200)
3954 WREG32(R_00015C_AGP_BASE_2, 0);
3955 }
3956 /* Wait for mc idle */
3957 if (r100_mc_wait_for_idle(rdev))
3958 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3959 /* Program MC, should be a 32bits limited address space */
3960 WREG32(R_000148_MC_FB_LOCATION,
3961 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3962 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3963 r100_mc_resume(rdev, &save);
3964 }
3965
3966 void r100_clock_startup(struct radeon_device *rdev)
3967 {
3968 u32 tmp;
3969
3970 if (radeon_dynclks != -1 && radeon_dynclks)
3971 radeon_legacy_set_clock_gating(rdev, 1);
3972 /* We need to force on some of the block */
3973 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3974 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3975 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3976 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3977 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3978 }
3979
3980 static int r100_startup(struct radeon_device *rdev)
3981 {
3982 int r;
3983
3984 /* set common regs */
3985 r100_set_common_regs(rdev);
3986 /* program mc */
3987 r100_mc_program(rdev);
3988 /* Resume clock */
3989 r100_clock_startup(rdev);
3990 /* Initialize GART (initialize after TTM so we can allocate
3991 * memory through TTM but finalize after TTM) */
3992 r100_enable_bm(rdev);
3993 if (rdev->flags & RADEON_IS_PCI) {
3994 r = r100_pci_gart_enable(rdev);
3995 if (r)
3996 return r;
3997 }
3998
3999 /* allocate wb buffer */
4000 r = radeon_wb_init(rdev);
4001 if (r)
4002 return r;
4003
4004 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
4005 if (r) {
4006 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
4007 return r;
4008 }
4009
4010 /* Enable IRQ */
4011 r100_irq_set(rdev);
4012 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
4013 /* 1M ring buffer */
4014 r = r100_cp_init(rdev, 1024 * 1024);
4015 if (r) {
4016 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
4017 return r;
4018 }
4019
4020 r = radeon_ib_pool_init(rdev);
4021 if (r) {
4022 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
4023 return r;
4024 }
4025
4026 return 0;
4027 }
4028
4029 int r100_resume(struct radeon_device *rdev)
4030 {
4031 int r;
4032
4033 /* Make sur GART are not working */
4034 if (rdev->flags & RADEON_IS_PCI)
4035 r100_pci_gart_disable(rdev);
4036 /* Resume clock before doing reset */
4037 r100_clock_startup(rdev);
4038 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4039 if (radeon_asic_reset(rdev)) {
4040 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4041 RREG32(R_000E40_RBBM_STATUS),
4042 RREG32(R_0007C0_CP_STAT));
4043 }
4044 /* post */
4045 radeon_combios_asic_init(rdev->ddev);
4046 /* Resume clock after posting */
4047 r100_clock_startup(rdev);
4048 /* Initialize surface registers */
4049 radeon_surface_init(rdev);
4050
4051 rdev->accel_working = true;
4052 r = r100_startup(rdev);
4053 if (r) {
4054 rdev->accel_working = false;
4055 }
4056 return r;
4057 }
4058
4059 int r100_suspend(struct radeon_device *rdev)
4060 {
4061 r100_cp_disable(rdev);
4062 radeon_wb_disable(rdev);
4063 r100_irq_disable(rdev);
4064 if (rdev->flags & RADEON_IS_PCI)
4065 r100_pci_gart_disable(rdev);
4066 return 0;
4067 }
4068
4069 void r100_fini(struct radeon_device *rdev)
4070 {
4071 r100_cp_fini(rdev);
4072 radeon_wb_fini(rdev);
4073 radeon_ib_pool_fini(rdev);
4074 radeon_gem_fini(rdev);
4075 if (rdev->flags & RADEON_IS_PCI)
4076 r100_pci_gart_fini(rdev);
4077 radeon_agp_fini(rdev);
4078 radeon_irq_kms_fini(rdev);
4079 radeon_fence_driver_fini(rdev);
4080 radeon_bo_fini(rdev);
4081 radeon_atombios_fini(rdev);
4082 kfree(rdev->bios);
4083 rdev->bios = NULL;
4084 }
4085
4086 /*
4087 * Due to how kexec works, it can leave the hw fully initialised when it
4088 * boots the new kernel. However doing our init sequence with the CP and
4089 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
4090 * do some quick sanity checks and restore sane values to avoid this
4091 * problem.
4092 */
4093 void r100_restore_sanity(struct radeon_device *rdev)
4094 {
4095 u32 tmp;
4096
4097 tmp = RREG32(RADEON_CP_CSQ_CNTL);
4098 if (tmp) {
4099 WREG32(RADEON_CP_CSQ_CNTL, 0);
4100 }
4101 tmp = RREG32(RADEON_CP_RB_CNTL);
4102 if (tmp) {
4103 WREG32(RADEON_CP_RB_CNTL, 0);
4104 }
4105 tmp = RREG32(RADEON_SCRATCH_UMSK);
4106 if (tmp) {
4107 WREG32(RADEON_SCRATCH_UMSK, 0);
4108 }
4109 }
4110
4111 int r100_init(struct radeon_device *rdev)
4112 {
4113 int r;
4114
4115 /* Register debugfs file specific to this group of asics */
4116 r100_debugfs(rdev);
4117 /* Disable VGA */
4118 r100_vga_render_disable(rdev);
4119 /* Initialize scratch registers */
4120 radeon_scratch_init(rdev);
4121 /* Initialize surface registers */
4122 radeon_surface_init(rdev);
4123 /* sanity check some register to avoid hangs like after kexec */
4124 r100_restore_sanity(rdev);
4125 /* TODO: disable VGA need to use VGA request */
4126 /* BIOS*/
4127 if (!radeon_get_bios(rdev)) {
4128 if (ASIC_IS_AVIVO(rdev))
4129 return -EINVAL;
4130 }
4131 if (rdev->is_atom_bios) {
4132 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4133 return -EINVAL;
4134 } else {
4135 r = radeon_combios_init(rdev);
4136 if (r)
4137 return r;
4138 }
4139 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4140 if (radeon_asic_reset(rdev)) {
4141 dev_warn(rdev->dev,
4142 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4143 RREG32(R_000E40_RBBM_STATUS),
4144 RREG32(R_0007C0_CP_STAT));
4145 }
4146 /* check if cards are posted or not */
4147 if (radeon_boot_test_post_card(rdev) == false)
4148 return -EINVAL;
4149 /* Set asic errata */
4150 r100_errata(rdev);
4151 /* Initialize clocks */
4152 radeon_get_clock_info(rdev->ddev);
4153 /* initialize AGP */
4154 if (rdev->flags & RADEON_IS_AGP) {
4155 r = radeon_agp_init(rdev);
4156 if (r) {
4157 radeon_agp_disable(rdev);
4158 }
4159 }
4160 /* initialize VRAM */
4161 r100_mc_init(rdev);
4162 /* Fence driver */
4163 r = radeon_fence_driver_init(rdev);
4164 if (r)
4165 return r;
4166 r = radeon_irq_kms_init(rdev);
4167 if (r)
4168 return r;
4169 /* Memory manager */
4170 r = radeon_bo_init(rdev);
4171 if (r)
4172 return r;
4173 if (rdev->flags & RADEON_IS_PCI) {
4174 r = r100_pci_gart_init(rdev);
4175 if (r)
4176 return r;
4177 }
4178 r100_set_safe_registers(rdev);
4179
4180 rdev->accel_working = true;
4181 r = r100_startup(rdev);
4182 if (r) {
4183 /* Somethings want wront with the accel init stop accel */
4184 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4185 r100_cp_fini(rdev);
4186 radeon_wb_fini(rdev);
4187 radeon_ib_pool_fini(rdev);
4188 radeon_irq_kms_fini(rdev);
4189 if (rdev->flags & RADEON_IS_PCI)
4190 r100_pci_gart_fini(rdev);
4191 rdev->accel_working = false;
4192 }
4193 return 0;
4194 }
4195
4196 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
4197 {
4198 if (reg < rdev->rmmio_size)
4199 return readl(((void __iomem *)rdev->rmmio) + reg);
4200 else {
4201 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4202 return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4203 }
4204 }
4205
4206 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4207 {
4208 if (reg < rdev->rmmio_size)
4209 writel(v, ((void __iomem *)rdev->rmmio) + reg);
4210 else {
4211 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4212 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4213 }
4214 }
4215
4216 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4217 {
4218 if (reg < rdev->rio_mem_size)
4219 return ioread32(rdev->rio_mem + reg);
4220 else {
4221 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4222 return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4223 }
4224 }
4225
4226 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4227 {
4228 if (reg < rdev->rio_mem_size)
4229 iowrite32(v, rdev->rio_mem + reg);
4230 else {
4231 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4232 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4233 }
4234 }
Linux kernel - Deliverables
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