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drm/radeon: Finish replacing task queues by Linux work queues
[dragonfly.git] / sys / dev / drm / radeon / r100.c
blob6eb6734ba57f6af6b9958f24fd4a7520f594f96e
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 * $FreeBSD: head/sys/dev/drm2/radeon/r100.c 255573 2013-09-14 17:24:41Z dumbbell $
29 */
30 #include <drm/drmP.h>
31 #include <uapi_drm/radeon_drm.h>
32 #include "radeon_reg.h"
33 #include "radeon.h"
34 #include "radeon_asic.h"
35 #include "r100d.h"
36 #include "rs100d.h"
37 #include "rv200d.h"
38 #include "rv250d.h"
39 #include "atom.h"
40
41 #include <linux/firmware.h>
42 #include <linux/module.h>
43
44 #include "r100_reg_safe.h"
45 #include "rn50_reg_safe.h"
46
47 /* Firmware Names */
48 #define FIRMWARE_R100 "radeonkmsfw_R100_cp"
49 #define FIRMWARE_R200 "radeonkmsfw_R200_cp"
50 #define FIRMWARE_R300 "radeonkmsfw_R300_cp"
51 #define FIRMWARE_R420 "radeonkmsfw_R420_cp"
52 #define FIRMWARE_RS690 "radeonkmsfw_RS690_cp"
53 #define FIRMWARE_RS600 "radeonkmsfw_RS600_cp"
54 #define FIRMWARE_R520 "radeonkmsfw_R520_cp"
55
56 MODULE_FIRMWARE(FIRMWARE_R100);
57 MODULE_FIRMWARE(FIRMWARE_R200);
58 MODULE_FIRMWARE(FIRMWARE_R300);
59 MODULE_FIRMWARE(FIRMWARE_R420);
60 MODULE_FIRMWARE(FIRMWARE_RS690);
61 MODULE_FIRMWARE(FIRMWARE_RS600);
62 MODULE_FIRMWARE(FIRMWARE_R520);
63
64 #include "r100_track.h"
65
66 /* This files gather functions specifics to:
67 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
68 * and others in some cases.
69 */
70
71 static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc)
72 {
73 if (crtc == 0) {
74 if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
75 return true;
76 else
77 return false;
78 } else {
79 if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
80 return true;
81 else
82 return false;
83 }
84 }
85
86 static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc)
87 {
88 u32 vline1, vline2;
89
90 if (crtc == 0) {
91 vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
92 vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
93 } else {
94 vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
95 vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
96 }
97 if (vline1 != vline2)
98 return true;
99 else
100 return false;
101 }
102
103 /**
104 * r100_wait_for_vblank - vblank wait asic callback.
105 *
106 * @rdev: radeon_device pointer
107 * @crtc: crtc to wait for vblank on
108 *
109 * Wait for vblank on the requested crtc (r1xx-r4xx).
110 */
111 void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
112 {
113 unsigned i = 0;
114
115 if (crtc >= rdev->num_crtc)
116 return;
117
118 if (crtc == 0) {
119 if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN))
120 return;
121 } else {
122 if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN))
123 return;
124 }
125
126 /* depending on when we hit vblank, we may be close to active; if so,
127 * wait for another frame.
128 */
129 while (r100_is_in_vblank(rdev, crtc)) {
130 if (i++ % 100 == 0) {
131 if (!r100_is_counter_moving(rdev, crtc))
132 break;
133 }
134 }
135
136 while (!r100_is_in_vblank(rdev, crtc)) {
137 if (i++ % 100 == 0) {
138 if (!r100_is_counter_moving(rdev, crtc))
139 break;
140 }
141 }
142 }
143
144 /**
145 * r100_page_flip - pageflip callback.
146 *
147 * @rdev: radeon_device pointer
148 * @crtc_id: crtc to cleanup pageflip on
149 * @crtc_base: new address of the crtc (GPU MC address)
150 *
151 * Does the actual pageflip (r1xx-r4xx).
152 * During vblank we take the crtc lock and wait for the update_pending
153 * bit to go high, when it does, we release the lock, and allow the
154 * double buffered update to take place.
155 */
156 void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
157 {
158 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
159 u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
160 int i;
161
162 /* Lock the graphics update lock */
163 /* update the scanout addresses */
164 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
165
166 /* Wait for update_pending to go high. */
167 for (i = 0; i < rdev->usec_timeout; i++) {
168 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
169 break;
170 udelay(1);
171 }
172 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
173
174 /* Unlock the lock, so double-buffering can take place inside vblank */
175 tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
176 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
177
178 }
179
180 /**
181 * r100_page_flip_pending - check if page flip is still pending
182 *
183 * @rdev: radeon_device pointer
184 * @crtc_id: crtc to check
185 *
186 * Check if the last pagefilp is still pending (r1xx-r4xx).
187 * Returns the current update pending status.
188 */
189 bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id)
190 {
191 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
192
193 /* Return current update_pending status: */
194 return !!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) &
195 RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET);
196 }
197
198 /**
199 * r100_pm_get_dynpm_state - look up dynpm power state callback.
200 *
201 * @rdev: radeon_device pointer
202 *
203 * Look up the optimal power state based on the
204 * current state of the GPU (r1xx-r5xx).
205 * Used for dynpm only.
206 */
207 void r100_pm_get_dynpm_state(struct radeon_device *rdev)
208 {
209 int i;
210 rdev->pm.dynpm_can_upclock = true;
211 rdev->pm.dynpm_can_downclock = true;
212
213 switch (rdev->pm.dynpm_planned_action) {
214 case DYNPM_ACTION_MINIMUM:
215 rdev->pm.requested_power_state_index = 0;
216 rdev->pm.dynpm_can_downclock = false;
217 break;
218 case DYNPM_ACTION_DOWNCLOCK:
219 if (rdev->pm.current_power_state_index == 0) {
220 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
221 rdev->pm.dynpm_can_downclock = false;
222 } else {
223 if (rdev->pm.active_crtc_count > 1) {
224 for (i = 0; i < rdev->pm.num_power_states; i++) {
225 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
226 continue;
227 else if (i >= rdev->pm.current_power_state_index) {
228 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
229 break;
230 } else {
231 rdev->pm.requested_power_state_index = i;
232 break;
233 }
234 }
235 } else
236 rdev->pm.requested_power_state_index =
237 rdev->pm.current_power_state_index - 1;
238 }
239 /* don't use the power state if crtcs are active and no display flag is set */
240 if ((rdev->pm.active_crtc_count > 0) &&
241 (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
242 RADEON_PM_MODE_NO_DISPLAY)) {
243 rdev->pm.requested_power_state_index++;
244 }
245 break;
246 case DYNPM_ACTION_UPCLOCK:
247 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
248 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
249 rdev->pm.dynpm_can_upclock = false;
250 } else {
251 if (rdev->pm.active_crtc_count > 1) {
252 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
253 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
254 continue;
255 else if (i <= rdev->pm.current_power_state_index) {
256 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
257 break;
258 } else {
259 rdev->pm.requested_power_state_index = i;
260 break;
261 }
262 }
263 } else
264 rdev->pm.requested_power_state_index =
265 rdev->pm.current_power_state_index + 1;
266 }
267 break;
268 case DYNPM_ACTION_DEFAULT:
269 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
270 rdev->pm.dynpm_can_upclock = false;
271 break;
272 case DYNPM_ACTION_NONE:
273 default:
274 DRM_ERROR("Requested mode for not defined action\n");
275 return;
276 }
277 /* only one clock mode per power state */
278 rdev->pm.requested_clock_mode_index = 0;
279
280 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
281 rdev->pm.power_state[rdev->pm.requested_power_state_index].
282 clock_info[rdev->pm.requested_clock_mode_index].sclk,
283 rdev->pm.power_state[rdev->pm.requested_power_state_index].
284 clock_info[rdev->pm.requested_clock_mode_index].mclk,
285 rdev->pm.power_state[rdev->pm.requested_power_state_index].
286 pcie_lanes);
287 }
288
289 /**
290 * r100_pm_init_profile - Initialize power profiles callback.
291 *
292 * @rdev: radeon_device pointer
293 *
294 * Initialize the power states used in profile mode
295 * (r1xx-r3xx).
296 * Used for profile mode only.
297 */
298 void r100_pm_init_profile(struct radeon_device *rdev)
299 {
300 /* default */
301 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
302 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
303 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
304 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
305 /* low sh */
306 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
307 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
308 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
309 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
310 /* mid sh */
311 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
312 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
313 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
314 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
315 /* high sh */
316 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
317 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
318 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
319 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
320 /* low mh */
321 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
322 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
323 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
324 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
325 /* mid mh */
326 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
327 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
328 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
329 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
330 /* high mh */
331 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
332 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
333 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
334 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
335 }
336
337 /**
338 * r100_pm_misc - set additional pm hw parameters callback.
339 *
340 * @rdev: radeon_device pointer
341 *
342 * Set non-clock parameters associated with a power state
343 * (voltage, pcie lanes, etc.) (r1xx-r4xx).
344 */
345 void r100_pm_misc(struct radeon_device *rdev)
346 {
347 int requested_index = rdev->pm.requested_power_state_index;
348 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
349 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
350 u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
351
352 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
353 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
354 tmp = RREG32(voltage->gpio.reg);
355 if (voltage->active_high)
356 tmp |= voltage->gpio.mask;
357 else
358 tmp &= ~(voltage->gpio.mask);
359 WREG32(voltage->gpio.reg, tmp);
360 if (voltage->delay)
361 udelay(voltage->delay);
362 } else {
363 tmp = RREG32(voltage->gpio.reg);
364 if (voltage->active_high)
365 tmp &= ~voltage->gpio.mask;
366 else
367 tmp |= voltage->gpio.mask;
368 WREG32(voltage->gpio.reg, tmp);
369 if (voltage->delay)
370 udelay(voltage->delay);
371 }
372 }
373
374 sclk_cntl = RREG32_PLL(SCLK_CNTL);
375 sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
376 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
377 sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
378 sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
379 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
380 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
381 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
382 sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
383 else
384 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
385 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
386 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
387 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
388 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
389 } else
390 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
391
392 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
393 sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
394 if (voltage->delay) {
395 sclk_more_cntl |= VOLTAGE_DROP_SYNC;
396 switch (voltage->delay) {
397 case 33:
398 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
399 break;
400 case 66:
401 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
402 break;
403 case 99:
404 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
405 break;
406 case 132:
407 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
408 break;
409 }
410 } else
411 sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
412 } else
413 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
414
415 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
416 sclk_cntl &= ~FORCE_HDP;
417 else
418 sclk_cntl |= FORCE_HDP;
419
420 WREG32_PLL(SCLK_CNTL, sclk_cntl);
421 WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
422 WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
423
424 /* set pcie lanes */
425 if ((rdev->flags & RADEON_IS_PCIE) &&
426 !(rdev->flags & RADEON_IS_IGP) &&
427 rdev->asic->pm.set_pcie_lanes &&
428 (ps->pcie_lanes !=
429 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
430 radeon_set_pcie_lanes(rdev,
431 ps->pcie_lanes);
432 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
433 }
434 }
435
436 /**
437 * r100_pm_prepare - pre-power state change callback.
438 *
439 * @rdev: radeon_device pointer
440 *
441 * Prepare for a power state change (r1xx-r4xx).
442 */
443 void r100_pm_prepare(struct radeon_device *rdev)
444 {
445 struct drm_device *ddev = rdev->ddev;
446 struct drm_crtc *crtc;
447 struct radeon_crtc *radeon_crtc;
448 u32 tmp;
449
450 /* disable any active CRTCs */
451 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
452 radeon_crtc = to_radeon_crtc(crtc);
453 if (radeon_crtc->enabled) {
454 if (radeon_crtc->crtc_id) {
455 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
456 tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
457 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
458 } else {
459 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
460 tmp |= RADEON_CRTC_DISP_REQ_EN_B;
461 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
462 }
463 }
464 }
465 }
466
467 /**
468 * r100_pm_finish - post-power state change callback.
469 *
470 * @rdev: radeon_device pointer
471 *
472 * Clean up after a power state change (r1xx-r4xx).
473 */
474 void r100_pm_finish(struct radeon_device *rdev)
475 {
476 struct drm_device *ddev = rdev->ddev;
477 struct drm_crtc *crtc;
478 struct radeon_crtc *radeon_crtc;
479 u32 tmp;
480
481 /* enable any active CRTCs */
482 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
483 radeon_crtc = to_radeon_crtc(crtc);
484 if (radeon_crtc->enabled) {
485 if (radeon_crtc->crtc_id) {
486 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
487 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
488 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
489 } else {
490 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
491 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
492 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
493 }
494 }
495 }
496 }
497
498 /**
499 * r100_gui_idle - gui idle callback.
500 *
501 * @rdev: radeon_device pointer
502 *
503 * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx).
504 * Returns true if idle, false if not.
505 */
506 bool r100_gui_idle(struct radeon_device *rdev)
507 {
508 if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
509 return false;
510 else
511 return true;
512 }
513
514 /* hpd for digital panel detect/disconnect */
515 /**
516 * r100_hpd_sense - hpd sense callback.
517 *
518 * @rdev: radeon_device pointer
519 * @hpd: hpd (hotplug detect) pin
520 *
521 * Checks if a digital monitor is connected (r1xx-r4xx).
522 * Returns true if connected, false if not connected.
523 */
524 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
525 {
526 bool connected = false;
527
528 switch (hpd) {
529 case RADEON_HPD_1:
530 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
531 connected = true;
532 break;
533 case RADEON_HPD_2:
534 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
535 connected = true;
536 break;
537 default:
538 break;
539 }
540 return connected;
541 }
542
543 /**
544 * r100_hpd_set_polarity - hpd set polarity callback.
545 *
546 * @rdev: radeon_device pointer
547 * @hpd: hpd (hotplug detect) pin
548 *
549 * Set the polarity of the hpd pin (r1xx-r4xx).
550 */
551 void r100_hpd_set_polarity(struct radeon_device *rdev,
552 enum radeon_hpd_id hpd)
553 {
554 u32 tmp;
555 bool connected = r100_hpd_sense(rdev, hpd);
556
557 switch (hpd) {
558 case RADEON_HPD_1:
559 tmp = RREG32(RADEON_FP_GEN_CNTL);
560 if (connected)
561 tmp &= ~RADEON_FP_DETECT_INT_POL;
562 else
563 tmp |= RADEON_FP_DETECT_INT_POL;
564 WREG32(RADEON_FP_GEN_CNTL, tmp);
565 break;
566 case RADEON_HPD_2:
567 tmp = RREG32(RADEON_FP2_GEN_CNTL);
568 if (connected)
569 tmp &= ~RADEON_FP2_DETECT_INT_POL;
570 else
571 tmp |= RADEON_FP2_DETECT_INT_POL;
572 WREG32(RADEON_FP2_GEN_CNTL, tmp);
573 break;
574 default:
575 break;
576 }
577 }
578
579 /**
580 * r100_hpd_init - hpd setup callback.
581 *
582 * @rdev: radeon_device pointer
583 *
584 * Setup the hpd pins used by the card (r1xx-r4xx).
585 * Set the polarity, and enable the hpd interrupts.
586 */
587 void r100_hpd_init(struct radeon_device *rdev)
588 {
589 struct drm_device *dev = rdev->ddev;
590 struct drm_connector *connector;
591 unsigned enable = 0;
592
593 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
594 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
595 enable |= 1 << radeon_connector->hpd.hpd;
596 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
597 }
598 radeon_irq_kms_enable_hpd(rdev, enable);
599 }
600
601 /**
602 * r100_hpd_fini - hpd tear down callback.
603 *
604 * @rdev: radeon_device pointer
605 *
606 * Tear down the hpd pins used by the card (r1xx-r4xx).
607 * Disable the hpd interrupts.
608 */
609 void r100_hpd_fini(struct radeon_device *rdev)
610 {
611 struct drm_device *dev = rdev->ddev;
612 struct drm_connector *connector;
613 unsigned disable = 0;
614
615 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
616 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
617 disable |= 1 << radeon_connector->hpd.hpd;
618 }
619 radeon_irq_kms_disable_hpd(rdev, disable);
620 }
621
622 /*
623 * PCI GART
624 */
625 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
626 {
627 /* TODO: can we do somethings here ? */
628 /* It seems hw only cache one entry so we should discard this
629 * entry otherwise if first GPU GART read hit this entry it
630 * could end up in wrong address. */
631 }
632
633 int r100_pci_gart_init(struct radeon_device *rdev)
634 {
635 int r;
636
637 if (rdev->gart.ptr) {
638 WARN(1, "R100 PCI GART already initialized\n");
639 return 0;
640 }
641 /* Initialize common gart structure */
642 r = radeon_gart_init(rdev);
643 if (r)
644 return r;
645 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
646 rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
647 rdev->asic->gart.set_page = &r100_pci_gart_set_page;
648 return radeon_gart_table_ram_alloc(rdev);
649 }
650
651 int r100_pci_gart_enable(struct radeon_device *rdev)
652 {
653 uint32_t tmp;
654
655 /* discard memory request outside of configured range */
656 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
657 WREG32(RADEON_AIC_CNTL, tmp);
658 /* set address range for PCI address translate */
659 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
660 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
661 /* set PCI GART page-table base address */
662 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
663 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
664 WREG32(RADEON_AIC_CNTL, tmp);
665 r100_pci_gart_tlb_flush(rdev);
666 DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n",
667 (unsigned)(rdev->mc.gtt_size >> 20),
668 (unsigned long long)rdev->gart.table_addr);
669 rdev->gart.ready = true;
670 return 0;
671 }
672
673 void r100_pci_gart_disable(struct radeon_device *rdev)
674 {
675 uint32_t tmp;
676
677 /* discard memory request outside of configured range */
678 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
679 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
680 WREG32(RADEON_AIC_LO_ADDR, 0);
681 WREG32(RADEON_AIC_HI_ADDR, 0);
682 }
683
684 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
685 uint64_t addr, uint32_t flags)
686 {
687 u32 *gtt = rdev->gart.ptr;
688 gtt[i] = cpu_to_le32(lower_32_bits(addr));
689 }
690
691 void r100_pci_gart_fini(struct radeon_device *rdev)
692 {
693 radeon_gart_fini(rdev);
694 r100_pci_gart_disable(rdev);
695 radeon_gart_table_ram_free(rdev);
696 }
697
698 int r100_irq_set(struct radeon_device *rdev)
699 {
700 uint32_t tmp = 0;
701
702 if (!rdev->irq.installed) {
703 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
704 WREG32(R_000040_GEN_INT_CNTL, 0);
705 return -EINVAL;
706 }
707 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
708 tmp |= RADEON_SW_INT_ENABLE;
709 }
710 if (rdev->irq.crtc_vblank_int[0] ||
711 atomic_read(&rdev->irq.pflip[0])) {
712 tmp |= RADEON_CRTC_VBLANK_MASK;
713 }
714 if (rdev->irq.crtc_vblank_int[1] ||
715 atomic_read(&rdev->irq.pflip[1])) {
716 tmp |= RADEON_CRTC2_VBLANK_MASK;
717 }
718 if (rdev->irq.hpd[0]) {
719 tmp |= RADEON_FP_DETECT_MASK;
720 }
721 if (rdev->irq.hpd[1]) {
722 tmp |= RADEON_FP2_DETECT_MASK;
723 }
724 WREG32(RADEON_GEN_INT_CNTL, tmp);
725 return 0;
726 }
727
728 void r100_irq_disable(struct radeon_device *rdev)
729 {
730 u32 tmp;
731
732 WREG32(R_000040_GEN_INT_CNTL, 0);
733 /* Wait and acknowledge irq */
734 mdelay(1);
735 tmp = RREG32(R_000044_GEN_INT_STATUS);
736 WREG32(R_000044_GEN_INT_STATUS, tmp);
737 }
738
739 static uint32_t r100_irq_ack(struct radeon_device *rdev)
740 {
741 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
742 uint32_t irq_mask = RADEON_SW_INT_TEST |
743 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
744 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
745
746 if (irqs) {
747 WREG32(RADEON_GEN_INT_STATUS, irqs);
748 }
749 return irqs & irq_mask;
750 }
751
752 irqreturn_t r100_irq_process(struct radeon_device *rdev)
753 {
754 uint32_t status, msi_rearm;
755 bool queue_hotplug = false;
756
757 status = r100_irq_ack(rdev);
758 if (!status) {
759 return IRQ_NONE;
760 }
761 if (rdev->shutdown) {
762 return IRQ_NONE;
763 }
764 while (status) {
765 /* SW interrupt */
766 if (status & RADEON_SW_INT_TEST) {
767 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
768 }
769 /* Vertical blank interrupts */
770 if (status & RADEON_CRTC_VBLANK_STAT) {
771 if (rdev->irq.crtc_vblank_int[0]) {
772 drm_handle_vblank(rdev->ddev, 0);
773 rdev->pm.vblank_sync = true;
774 wake_up(&rdev->irq.vblank_queue);
775 }
776 if (atomic_read(&rdev->irq.pflip[0]))
777 radeon_crtc_handle_vblank(rdev, 0);
778 }
779 if (status & RADEON_CRTC2_VBLANK_STAT) {
780 if (rdev->irq.crtc_vblank_int[1]) {
781 drm_handle_vblank(rdev->ddev, 1);
782 rdev->pm.vblank_sync = true;
783 wake_up(&rdev->irq.vblank_queue);
784 }
785 if (atomic_read(&rdev->irq.pflip[1]))
786 radeon_crtc_handle_vblank(rdev, 1);
787 }
788 if (status & RADEON_FP_DETECT_STAT) {
789 queue_hotplug = true;
790 DRM_DEBUG("HPD1\n");
791 }
792 if (status & RADEON_FP2_DETECT_STAT) {
793 queue_hotplug = true;
794 DRM_DEBUG("HPD2\n");
795 }
796 status = r100_irq_ack(rdev);
797 }
798 if (queue_hotplug)
799 schedule_work(&rdev->hotplug_work);
800 if (rdev->msi_enabled) {
801 switch (rdev->family) {
802 case CHIP_RS400:
803 case CHIP_RS480:
804 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
805 WREG32(RADEON_AIC_CNTL, msi_rearm);
806 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
807 break;
808 default:
809 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
810 break;
811 }
812 }
813 return IRQ_HANDLED;
814 }
815
816 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
817 {
818 if (crtc == 0)
819 return RREG32(RADEON_CRTC_CRNT_FRAME);
820 else
821 return RREG32(RADEON_CRTC2_CRNT_FRAME);
822 }
823
824 /**
825 * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
826 * rdev: radeon device structure
827 * ring: ring buffer struct for emitting packets
828 */
829 static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
830 {
831 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
832 radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
833 RADEON_HDP_READ_BUFFER_INVALIDATE);
834 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
835 radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
836 }
837
838 /* Who ever call radeon_fence_emit should call ring_lock and ask
839 * for enough space (today caller are ib schedule and buffer move) */
840 void r100_fence_ring_emit(struct radeon_device *rdev,
841 struct radeon_fence *fence)
842 {
843 struct radeon_ring *ring = &rdev->ring[fence->ring];
844
845 /* We have to make sure that caches are flushed before
846 * CPU might read something from VRAM. */
847 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
848 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
849 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
850 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
851 /* Wait until IDLE & CLEAN */
852 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
853 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
854 r100_ring_hdp_flush(rdev, ring);
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 bool 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 return false;
870 }
871
872 int r100_copy_blit(struct radeon_device *rdev,
873 uint64_t src_offset,
874 uint64_t dst_offset,
875 unsigned num_gpu_pages,
876 struct radeon_fence **fence)
877 {
878 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
879 uint32_t cur_pages;
880 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
881 uint32_t pitch;
882 uint32_t stride_pixels;
883 unsigned ndw;
884 int num_loops;
885 int r = 0;
886
887 /* radeon limited to 16k stride */
888 stride_bytes &= 0x3fff;
889 /* radeon pitch is /64 */
890 pitch = stride_bytes / 64;
891 stride_pixels = stride_bytes / 4;
892 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
893
894 /* Ask for enough room for blit + flush + fence */
895 ndw = 64 + (10 * num_loops);
896 r = radeon_ring_lock(rdev, ring, ndw);
897 if (r) {
898 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
899 return -EINVAL;
900 }
901 while (num_gpu_pages > 0) {
902 cur_pages = num_gpu_pages;
903 if (cur_pages > 8191) {
904 cur_pages = 8191;
905 }
906 num_gpu_pages -= cur_pages;
907
908 /* pages are in Y direction - height
909 page width in X direction - width */
910 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
911 radeon_ring_write(ring,
912 RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
913 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
914 RADEON_GMC_SRC_CLIPPING |
915 RADEON_GMC_DST_CLIPPING |
916 RADEON_GMC_BRUSH_NONE |
917 (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
918 RADEON_GMC_SRC_DATATYPE_COLOR |
919 RADEON_ROP3_S |
920 RADEON_DP_SRC_SOURCE_MEMORY |
921 RADEON_GMC_CLR_CMP_CNTL_DIS |
922 RADEON_GMC_WR_MSK_DIS);
923 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
924 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
925 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
926 radeon_ring_write(ring, 0);
927 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
928 radeon_ring_write(ring, num_gpu_pages);
929 radeon_ring_write(ring, num_gpu_pages);
930 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
931 }
932 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
933 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
934 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
935 radeon_ring_write(ring,
936 RADEON_WAIT_2D_IDLECLEAN |
937 RADEON_WAIT_HOST_IDLECLEAN |
938 RADEON_WAIT_DMA_GUI_IDLE);
939 if (fence) {
940 r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX);
941 }
942 radeon_ring_unlock_commit(rdev, ring, false);
943 return r;
944 }
945
946 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
947 {
948 unsigned i;
949 u32 tmp;
950
951 for (i = 0; i < rdev->usec_timeout; i++) {
952 tmp = RREG32(R_000E40_RBBM_STATUS);
953 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
954 return 0;
955 }
956 udelay(1);
957 }
958 return -1;
959 }
960
961 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
962 {
963 int r;
964
965 r = radeon_ring_lock(rdev, ring, 2);
966 if (r) {
967 return;
968 }
969 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
970 radeon_ring_write(ring,
971 RADEON_ISYNC_ANY2D_IDLE3D |
972 RADEON_ISYNC_ANY3D_IDLE2D |
973 RADEON_ISYNC_WAIT_IDLEGUI |
974 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
975 radeon_ring_unlock_commit(rdev, ring, false);
976 }
977
978
979 /* Load the microcode for the CP */
980 static int r100_cp_init_microcode(struct radeon_device *rdev)
981 {
982 const char *fw_name = NULL;
983 int err;
984
985 DRM_DEBUG_KMS("\n");
986
987 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
988 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
989 (rdev->family == CHIP_RS200)) {
990 DRM_INFO("Loading R100 Microcode\n");
991 fw_name = FIRMWARE_R100;
992 } else if ((rdev->family == CHIP_R200) ||
993 (rdev->family == CHIP_RV250) ||
994 (rdev->family == CHIP_RV280) ||
995 (rdev->family == CHIP_RS300)) {
996 DRM_INFO("Loading R200 Microcode\n");
997 fw_name = FIRMWARE_R200;
998 } else if ((rdev->family == CHIP_R300) ||
999 (rdev->family == CHIP_R350) ||
1000 (rdev->family == CHIP_RV350) ||
1001 (rdev->family == CHIP_RV380) ||
1002 (rdev->family == CHIP_RS400) ||
1003 (rdev->family == CHIP_RS480)) {
1004 DRM_INFO("Loading R300 Microcode\n");
1005 fw_name = FIRMWARE_R300;
1006 } else if ((rdev->family == CHIP_R420) ||
1007 (rdev->family == CHIP_R423) ||
1008 (rdev->family == CHIP_RV410)) {
1009 DRM_INFO("Loading R400 Microcode\n");
1010 fw_name = FIRMWARE_R420;
1011 } else if ((rdev->family == CHIP_RS690) ||
1012 (rdev->family == CHIP_RS740)) {
1013 DRM_INFO("Loading RS690/RS740 Microcode\n");
1014 fw_name = FIRMWARE_RS690;
1015 } else if (rdev->family == CHIP_RS600) {
1016 DRM_INFO("Loading RS600 Microcode\n");
1017 fw_name = FIRMWARE_RS600;
1018 } else if ((rdev->family == CHIP_RV515) ||
1019 (rdev->family == CHIP_R520) ||
1020 (rdev->family == CHIP_RV530) ||
1021 (rdev->family == CHIP_R580) ||
1022 (rdev->family == CHIP_RV560) ||
1023 (rdev->family == CHIP_RV570)) {
1024 DRM_INFO("Loading R500 Microcode\n");
1025 fw_name = FIRMWARE_R520;
1026 }
1027
1028 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1029 if (err) {
1030 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
1031 fw_name);
1032 } else if (rdev->me_fw->datasize % 8) {
1033 printk(KERN_ERR
1034 "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
1035 rdev->me_fw->datasize, fw_name);
1036 err = -EINVAL;
1037 release_firmware(rdev->me_fw);
1038 rdev->me_fw = NULL;
1039 }
1040 return err;
1041 }
1042
1043 u32 r100_gfx_get_rptr(struct radeon_device *rdev,
1044 struct radeon_ring *ring)
1045 {
1046 u32 rptr;
1047
1048 if (rdev->wb.enabled)
1049 rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
1050 else
1051 rptr = RREG32(RADEON_CP_RB_RPTR);
1052
1053 return rptr;
1054 }
1055
1056 u32 r100_gfx_get_wptr(struct radeon_device *rdev,
1057 struct radeon_ring *ring)
1058 {
1059 u32 wptr;
1060
1061 wptr = RREG32(RADEON_CP_RB_WPTR);
1062
1063 return wptr;
1064 }
1065
1066 void r100_gfx_set_wptr(struct radeon_device *rdev,
1067 struct radeon_ring *ring)
1068 {
1069 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1070 (void)RREG32(RADEON_CP_RB_WPTR);
1071 }
1072
1073 /**
1074 * r100_cp_fini_microcode - drop the firmware image reference
1075 *
1076 * @rdev: radeon_device pointer
1077 *
1078 * Drop the me firmware image reference.
1079 * Called at driver shutdown.
1080 */
1081 static void r100_cp_fini_microcode (struct radeon_device *rdev)
1082 {
1083 release_firmware(rdev->me_fw);
1084 rdev->me_fw = NULL;
1085 }
1086
1087 static void r100_cp_load_microcode(struct radeon_device *rdev)
1088 {
1089 const __be32 *fw_data;
1090 int i, size;
1091
1092 if (r100_gui_wait_for_idle(rdev)) {
1093 printk(KERN_WARNING "Failed to wait GUI idle while "
1094 "programming pipes. Bad things might happen.\n");
1095 }
1096
1097 if (rdev->me_fw) {
1098 size = rdev->me_fw->datasize / 4;
1099 fw_data = (const __be32 *)rdev->me_fw->data;
1100 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1101 for (i = 0; i < size; i += 2) {
1102 WREG32(RADEON_CP_ME_RAM_DATAH,
1103 be32_to_cpup(&fw_data[i]));
1104 WREG32(RADEON_CP_ME_RAM_DATAL,
1105 be32_to_cpup(&fw_data[i + 1]));
1106 }
1107 }
1108 }
1109
1110 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1111 {
1112 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1113 unsigned rb_bufsz;
1114 unsigned rb_blksz;
1115 unsigned max_fetch;
1116 unsigned pre_write_timer;
1117 unsigned pre_write_limit;
1118 unsigned indirect2_start;
1119 unsigned indirect1_start;
1120 uint32_t tmp;
1121 int r;
1122
1123 if (r100_debugfs_cp_init(rdev)) {
1124 DRM_ERROR("Failed to register debugfs file for CP !\n");
1125 }
1126 if (!rdev->me_fw) {
1127 r = r100_cp_init_microcode(rdev);
1128 if (r) {
1129 DRM_ERROR("Failed to load firmware!\n");
1130 return r;
1131 }
1132 }
1133
1134 /* Align ring size */
1135 rb_bufsz = order_base_2(ring_size / 8);
1136 ring_size = (1 << (rb_bufsz + 1)) * 4;
1137 r100_cp_load_microcode(rdev);
1138 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1139 RADEON_CP_PACKET2);
1140 if (r) {
1141 return r;
1142 }
1143 /* Each time the cp read 1024 bytes (16 dword/quadword) update
1144 * the rptr copy in system ram */
1145 rb_blksz = 9;
1146 /* cp will read 128bytes at a time (4 dwords) */
1147 max_fetch = 1;
1148 ring->align_mask = 16 - 1;
1149 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1150 pre_write_timer = 64;
1151 /* Force CP_RB_WPTR write if written more than one time before the
1152 * delay expire
1153 */
1154 pre_write_limit = 0;
1155 /* Setup the cp cache like this (cache size is 96 dwords) :
1156 * RING 0 to 15
1157 * INDIRECT1 16 to 79
1158 * INDIRECT2 80 to 95
1159 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1160 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1161 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1162 * Idea being that most of the gpu cmd will be through indirect1 buffer
1163 * so it gets the bigger cache.
1164 */
1165 indirect2_start = 80;
1166 indirect1_start = 16;
1167 /* cp setup */
1168 WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1169 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1170 REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1171 REG_SET(RADEON_MAX_FETCH, max_fetch));
1172 #ifdef __BIG_ENDIAN
1173 tmp |= RADEON_BUF_SWAP_32BIT;
1174 #endif
1175 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1176
1177 /* Set ring address */
1178 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1179 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1180 /* Force read & write ptr to 0 */
1181 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1182 WREG32(RADEON_CP_RB_RPTR_WR, 0);
1183 ring->wptr = 0;
1184 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1185
1186 /* set the wb address whether it's enabled or not */
1187 WREG32(R_00070C_CP_RB_RPTR_ADDR,
1188 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1189 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1190
1191 if (rdev->wb.enabled)
1192 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1193 else {
1194 tmp |= RADEON_RB_NO_UPDATE;
1195 WREG32(R_000770_SCRATCH_UMSK, 0);
1196 }
1197
1198 WREG32(RADEON_CP_RB_CNTL, tmp);
1199 udelay(10);
1200 /* Set cp mode to bus mastering & enable cp*/
1201 WREG32(RADEON_CP_CSQ_MODE,
1202 REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1203 REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1204 WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1205 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1206 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1207
1208 /* at this point everything should be setup correctly to enable master */
1209 pci_enable_busmaster(rdev->dev->bsddev);
1210
1211 radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1212 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1213 if (r) {
1214 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1215 return r;
1216 }
1217 ring->ready = true;
1218 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1219
1220 if (!ring->rptr_save_reg /* not resuming from suspend */
1221 && radeon_ring_supports_scratch_reg(rdev, ring)) {
1222 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
1223 if (r) {
1224 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
1225 ring->rptr_save_reg = 0;
1226 }
1227 }
1228 return 0;
1229 }
1230
1231 void r100_cp_fini(struct radeon_device *rdev)
1232 {
1233 if (r100_cp_wait_for_idle(rdev)) {
1234 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1235 }
1236 /* Disable ring */
1237 r100_cp_disable(rdev);
1238 radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
1239 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1240 DRM_INFO("radeon: cp finalized\n");
1241 }
1242
1243 void r100_cp_disable(struct radeon_device *rdev)
1244 {
1245 /* Disable ring */
1246 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1247 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1248 WREG32(RADEON_CP_CSQ_MODE, 0);
1249 WREG32(RADEON_CP_CSQ_CNTL, 0);
1250 WREG32(R_000770_SCRATCH_UMSK, 0);
1251 if (r100_gui_wait_for_idle(rdev)) {
1252 printk(KERN_WARNING "Failed to wait GUI idle while "
1253 "programming pipes. Bad things might happen.\n");
1254 }
1255 }
1256
1257 /*
1258 * CS functions
1259 */
1260 int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
1261 struct radeon_cs_packet *pkt,
1262 unsigned idx,
1263 unsigned reg)
1264 {
1265 int r;
1266 u32 tile_flags = 0;
1267 u32 tmp;
1268 struct radeon_cs_reloc *reloc;
1269 u32 value;
1270
1271 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1272 if (r) {
1273 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1274 idx, reg);
1275 radeon_cs_dump_packet(p, pkt);
1276 return r;
1277 }
1278
1279 value = radeon_get_ib_value(p, idx);
1280 tmp = value & 0x003fffff;
1281 tmp += (((u32)reloc->gpu_offset) >> 10);
1282
1283 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1284 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1285 tile_flags |= RADEON_DST_TILE_MACRO;
1286 if (reloc->tiling_flags & RADEON_TILING_MICRO) {
1287 if (reg == RADEON_SRC_PITCH_OFFSET) {
1288 DRM_ERROR("Cannot src blit from microtiled surface\n");
1289 radeon_cs_dump_packet(p, pkt);
1290 return -EINVAL;
1291 }
1292 tile_flags |= RADEON_DST_TILE_MICRO;
1293 }
1294
1295 tmp |= tile_flags;
1296 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp;
1297 } else
1298 p->ib.ptr[idx] = (value & 0xffc00000) | tmp;
1299 return 0;
1300 }
1301
1302 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
1303 struct radeon_cs_packet *pkt,
1304 int idx)
1305 {
1306 unsigned c, i;
1307 struct radeon_cs_reloc *reloc;
1308 struct r100_cs_track *track;
1309 int r = 0;
1310 volatile uint32_t *ib;
1311 u32 idx_value;
1312
1313 ib = p->ib.ptr;
1314 track = (struct r100_cs_track *)p->track;
1315 c = radeon_get_ib_value(p, idx++) & 0x1F;
1316 if (c > 16) {
1317 DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
1318 pkt->opcode);
1319 radeon_cs_dump_packet(p, pkt);
1320 return -EINVAL;
1321 }
1322 track->num_arrays = c;
1323 for (i = 0; i < (c - 1); i+=2, idx+=3) {
1324 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1325 if (r) {
1326 DRM_ERROR("No reloc for packet3 %d\n",
1327 pkt->opcode);
1328 radeon_cs_dump_packet(p, pkt);
1329 return r;
1330 }
1331 idx_value = radeon_get_ib_value(p, idx);
1332 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1333
1334 track->arrays[i + 0].esize = idx_value >> 8;
1335 track->arrays[i + 0].robj = reloc->robj;
1336 track->arrays[i + 0].esize &= 0x7F;
1337 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1338 if (r) {
1339 DRM_ERROR("No reloc for packet3 %d\n",
1340 pkt->opcode);
1341 radeon_cs_dump_packet(p, pkt);
1342 return r;
1343 }
1344 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->gpu_offset);
1345 track->arrays[i + 1].robj = reloc->robj;
1346 track->arrays[i + 1].esize = idx_value >> 24;
1347 track->arrays[i + 1].esize &= 0x7F;
1348 }
1349 if (c & 1) {
1350 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1351 if (r) {
1352 DRM_ERROR("No reloc for packet3 %d\n",
1353 pkt->opcode);
1354 radeon_cs_dump_packet(p, pkt);
1355 return r;
1356 }
1357 idx_value = radeon_get_ib_value(p, idx);
1358 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1359 track->arrays[i + 0].robj = reloc->robj;
1360 track->arrays[i + 0].esize = idx_value >> 8;
1361 track->arrays[i + 0].esize &= 0x7F;
1362 }
1363 return r;
1364 }
1365
1366 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1367 struct radeon_cs_packet *pkt,
1368 const unsigned *auth, unsigned n,
1369 radeon_packet0_check_t check)
1370 {
1371 unsigned reg;
1372 unsigned i, j, m;
1373 unsigned idx;
1374 int r;
1375
1376 idx = pkt->idx + 1;
1377 reg = pkt->reg;
1378 /* Check that register fall into register range
1379 * determined by the number of entry (n) in the
1380 * safe register bitmap.
1381 */
1382 if (pkt->one_reg_wr) {
1383 if ((reg >> 7) > n) {
1384 return -EINVAL;
1385 }
1386 } else {
1387 if (((reg + (pkt->count << 2)) >> 7) > n) {
1388 return -EINVAL;
1389 }
1390 }
1391 for (i = 0; i <= pkt->count; i++, idx++) {
1392 j = (reg >> 7);
1393 m = 1 << ((reg >> 2) & 31);
1394 if (auth[j] & m) {
1395 r = check(p, pkt, idx, reg);
1396 if (r) {
1397 return r;
1398 }
1399 }
1400 if (pkt->one_reg_wr) {
1401 if (!(auth[j] & m)) {
1402 break;
1403 }
1404 } else {
1405 reg += 4;
1406 }
1407 }
1408 return 0;
1409 }
1410
1411 /**
1412 * r100_cs_packet_next_vline() - parse userspace VLINE packet
1413 * @parser: parser structure holding parsing context.
1414 *
1415 * Userspace sends a special sequence for VLINE waits.
1416 * PACKET0 - VLINE_START_END + value
1417 * PACKET0 - WAIT_UNTIL +_value
1418 * RELOC (P3) - crtc_id in reloc.
1419 *
1420 * This function parses this and relocates the VLINE START END
1421 * and WAIT UNTIL packets to the correct crtc.
1422 * It also detects a switched off crtc and nulls out the
1423 * wait in that case.
1424 */
1425 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1426 {
1427 struct drm_crtc *crtc;
1428 struct radeon_crtc *radeon_crtc;
1429 struct radeon_cs_packet p3reloc, waitreloc;
1430 int crtc_id;
1431 int r;
1432 uint32_t header, h_idx, reg;
1433 volatile uint32_t *ib;
1434
1435 ib = p->ib.ptr;
1436
1437 /* parse the wait until */
1438 r = radeon_cs_packet_parse(p, &waitreloc, p->idx);
1439 if (r)
1440 return r;
1441
1442 /* check its a wait until and only 1 count */
1443 if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1444 waitreloc.count != 0) {
1445 DRM_ERROR("vline wait had illegal wait until segment\n");
1446 return -EINVAL;
1447 }
1448
1449 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1450 DRM_ERROR("vline wait had illegal wait until\n");
1451 return -EINVAL;
1452 }
1453
1454 /* jump over the NOP */
1455 r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1456 if (r)
1457 return r;
1458
1459 h_idx = p->idx - 2;
1460 p->idx += waitreloc.count + 2;
1461 p->idx += p3reloc.count + 2;
1462
1463 header = radeon_get_ib_value(p, h_idx);
1464 crtc_id = radeon_get_ib_value(p, h_idx + 5);
1465 reg = R100_CP_PACKET0_GET_REG(header);
1466 crtc = drm_crtc_find(p->rdev->ddev, crtc_id);
1467 if (!crtc) {
1468 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1469 return -ENOENT;
1470 }
1471 radeon_crtc = to_radeon_crtc(crtc);
1472 crtc_id = radeon_crtc->crtc_id;
1473
1474 if (!crtc->enabled) {
1475 /* if the CRTC isn't enabled - we need to nop out the wait until */
1476 ib[h_idx + 2] = PACKET2(0);
1477 ib[h_idx + 3] = PACKET2(0);
1478 } else if (crtc_id == 1) {
1479 switch (reg) {
1480 case AVIVO_D1MODE_VLINE_START_END:
1481 header &= ~R300_CP_PACKET0_REG_MASK;
1482 header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1483 break;
1484 case RADEON_CRTC_GUI_TRIG_VLINE:
1485 header &= ~R300_CP_PACKET0_REG_MASK;
1486 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1487 break;
1488 default:
1489 DRM_ERROR("unknown crtc reloc\n");
1490 return -EINVAL;
1491 }
1492 ib[h_idx] = header;
1493 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1494 }
1495
1496 return 0;
1497 }
1498
1499 static int r100_get_vtx_size(uint32_t vtx_fmt)
1500 {
1501 int vtx_size;
1502 vtx_size = 2;
1503 /* ordered according to bits in spec */
1504 if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1505 vtx_size++;
1506 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1507 vtx_size += 3;
1508 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1509 vtx_size++;
1510 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1511 vtx_size++;
1512 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1513 vtx_size += 3;
1514 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1515 vtx_size++;
1516 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1517 vtx_size++;
1518 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1519 vtx_size += 2;
1520 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1521 vtx_size += 2;
1522 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1523 vtx_size++;
1524 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1525 vtx_size += 2;
1526 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1527 vtx_size++;
1528 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1529 vtx_size += 2;
1530 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1531 vtx_size++;
1532 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1533 vtx_size++;
1534 /* blend weight */
1535 if (vtx_fmt & (0x7 << 15))
1536 vtx_size += (vtx_fmt >> 15) & 0x7;
1537 if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1538 vtx_size += 3;
1539 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1540 vtx_size += 2;
1541 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1542 vtx_size++;
1543 if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1544 vtx_size++;
1545 if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1546 vtx_size++;
1547 if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1548 vtx_size++;
1549 return vtx_size;
1550 }
1551
1552 static int r100_packet0_check(struct radeon_cs_parser *p,
1553 struct radeon_cs_packet *pkt,
1554 unsigned idx, unsigned reg)
1555 {
1556 struct radeon_cs_reloc *reloc;
1557 struct r100_cs_track *track;
1558 volatile uint32_t *ib;
1559 uint32_t tmp;
1560 int r;
1561 int i, face;
1562 u32 tile_flags = 0;
1563 u32 idx_value;
1564
1565 ib = p->ib.ptr;
1566 track = (struct r100_cs_track *)p->track;
1567
1568 idx_value = radeon_get_ib_value(p, idx);
1569
1570 switch (reg) {
1571 case RADEON_CRTC_GUI_TRIG_VLINE:
1572 r = r100_cs_packet_parse_vline(p);
1573 if (r) {
1574 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1575 idx, reg);
1576 radeon_cs_dump_packet(p, pkt);
1577 return r;
1578 }
1579 break;
1580 /* FIXME: only allow PACKET3 blit? easier to check for out of
1581 * range access */
1582 case RADEON_DST_PITCH_OFFSET:
1583 case RADEON_SRC_PITCH_OFFSET:
1584 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1585 if (r)
1586 return r;
1587 break;
1588 case RADEON_RB3D_DEPTHOFFSET:
1589 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1590 if (r) {
1591 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1592 idx, reg);
1593 radeon_cs_dump_packet(p, pkt);
1594 return r;
1595 }
1596 track->zb.robj = reloc->robj;
1597 track->zb.offset = idx_value;
1598 track->zb_dirty = true;
1599 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1600 break;
1601 case RADEON_RB3D_COLOROFFSET:
1602 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1603 if (r) {
1604 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1605 idx, reg);
1606 radeon_cs_dump_packet(p, pkt);
1607 return r;
1608 }
1609 track->cb[0].robj = reloc->robj;
1610 track->cb[0].offset = idx_value;
1611 track->cb_dirty = true;
1612 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1613 break;
1614 case RADEON_PP_TXOFFSET_0:
1615 case RADEON_PP_TXOFFSET_1:
1616 case RADEON_PP_TXOFFSET_2:
1617 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1618 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1619 if (r) {
1620 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1621 idx, reg);
1622 radeon_cs_dump_packet(p, pkt);
1623 return r;
1624 }
1625 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1626 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1627 tile_flags |= RADEON_TXO_MACRO_TILE;
1628 if (reloc->tiling_flags & RADEON_TILING_MICRO)
1629 tile_flags |= RADEON_TXO_MICRO_TILE_X2;
1630
1631 tmp = idx_value & ~(0x7 << 2);
1632 tmp |= tile_flags;
1633 ib[idx] = tmp + ((u32)reloc->gpu_offset);
1634 } else
1635 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1636 track->textures[i].robj = reloc->robj;
1637 track->tex_dirty = true;
1638 break;
1639 case RADEON_PP_CUBIC_OFFSET_T0_0:
1640 case RADEON_PP_CUBIC_OFFSET_T0_1:
1641 case RADEON_PP_CUBIC_OFFSET_T0_2:
1642 case RADEON_PP_CUBIC_OFFSET_T0_3:
1643 case RADEON_PP_CUBIC_OFFSET_T0_4:
1644 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1645 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1646 if (r) {
1647 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1648 idx, reg);
1649 radeon_cs_dump_packet(p, pkt);
1650 return r;
1651 }
1652 track->textures[0].cube_info[i].offset = idx_value;
1653 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1654 track->textures[0].cube_info[i].robj = reloc->robj;
1655 track->tex_dirty = true;
1656 break;
1657 case RADEON_PP_CUBIC_OFFSET_T1_0:
1658 case RADEON_PP_CUBIC_OFFSET_T1_1:
1659 case RADEON_PP_CUBIC_OFFSET_T1_2:
1660 case RADEON_PP_CUBIC_OFFSET_T1_3:
1661 case RADEON_PP_CUBIC_OFFSET_T1_4:
1662 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1663 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1664 if (r) {
1665 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1666 idx, reg);
1667 radeon_cs_dump_packet(p, pkt);
1668 return r;
1669 }
1670 track->textures[1].cube_info[i].offset = idx_value;
1671 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1672 track->textures[1].cube_info[i].robj = reloc->robj;
1673 track->tex_dirty = true;
1674 break;
1675 case RADEON_PP_CUBIC_OFFSET_T2_0:
1676 case RADEON_PP_CUBIC_OFFSET_T2_1:
1677 case RADEON_PP_CUBIC_OFFSET_T2_2:
1678 case RADEON_PP_CUBIC_OFFSET_T2_3:
1679 case RADEON_PP_CUBIC_OFFSET_T2_4:
1680 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1681 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1682 if (r) {
1683 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1684 idx, reg);
1685 radeon_cs_dump_packet(p, pkt);
1686 return r;
1687 }
1688 track->textures[2].cube_info[i].offset = idx_value;
1689 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1690 track->textures[2].cube_info[i].robj = reloc->robj;
1691 track->tex_dirty = true;
1692 break;
1693 case RADEON_RE_WIDTH_HEIGHT:
1694 track->maxy = ((idx_value >> 16) & 0x7FF);
1695 track->cb_dirty = true;
1696 track->zb_dirty = true;
1697 break;
1698 case RADEON_RB3D_COLORPITCH:
1699 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1700 if (r) {
1701 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1702 idx, reg);
1703 radeon_cs_dump_packet(p, pkt);
1704 return r;
1705 }
1706 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1707 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1708 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1709 if (reloc->tiling_flags & RADEON_TILING_MICRO)
1710 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1711
1712 tmp = idx_value & ~(0x7 << 16);
1713 tmp |= tile_flags;
1714 ib[idx] = tmp;
1715 } else
1716 ib[idx] = idx_value;
1717
1718 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1719 track->cb_dirty = true;
1720 break;
1721 case RADEON_RB3D_DEPTHPITCH:
1722 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1723 track->zb_dirty = true;
1724 break;
1725 case RADEON_RB3D_CNTL:
1726 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1727 case 7:
1728 case 8:
1729 case 9:
1730 case 11:
1731 case 12:
1732 track->cb[0].cpp = 1;
1733 break;
1734 case 3:
1735 case 4:
1736 case 15:
1737 track->cb[0].cpp = 2;
1738 break;
1739 case 6:
1740 track->cb[0].cpp = 4;
1741 break;
1742 default:
1743 DRM_ERROR("Invalid color buffer format (%d) !\n",
1744 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1745 return -EINVAL;
1746 }
1747 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1748 track->cb_dirty = true;
1749 track->zb_dirty = true;
1750 break;
1751 case RADEON_RB3D_ZSTENCILCNTL:
1752 switch (idx_value & 0xf) {
1753 case 0:
1754 track->zb.cpp = 2;
1755 break;
1756 case 2:
1757 case 3:
1758 case 4:
1759 case 5:
1760 case 9:
1761 case 11:
1762 track->zb.cpp = 4;
1763 break;
1764 default:
1765 break;
1766 }
1767 track->zb_dirty = true;
1768 break;
1769 case RADEON_RB3D_ZPASS_ADDR:
1770 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1771 if (r) {
1772 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1773 idx, reg);
1774 radeon_cs_dump_packet(p, pkt);
1775 return r;
1776 }
1777 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1778 break;
1779 case RADEON_PP_CNTL:
1780 {
1781 uint32_t temp = idx_value >> 4;
1782 for (i = 0; i < track->num_texture; i++)
1783 track->textures[i].enabled = !!(temp & (1 << i));
1784 track->tex_dirty = true;
1785 }
1786 break;
1787 case RADEON_SE_VF_CNTL:
1788 track->vap_vf_cntl = idx_value;
1789 break;
1790 case RADEON_SE_VTX_FMT:
1791 track->vtx_size = r100_get_vtx_size(idx_value);
1792 break;
1793 case RADEON_PP_TEX_SIZE_0:
1794 case RADEON_PP_TEX_SIZE_1:
1795 case RADEON_PP_TEX_SIZE_2:
1796 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1797 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1798 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1799 track->tex_dirty = true;
1800 break;
1801 case RADEON_PP_TEX_PITCH_0:
1802 case RADEON_PP_TEX_PITCH_1:
1803 case RADEON_PP_TEX_PITCH_2:
1804 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1805 track->textures[i].pitch = idx_value + 32;
1806 track->tex_dirty = true;
1807 break;
1808 case RADEON_PP_TXFILTER_0:
1809 case RADEON_PP_TXFILTER_1:
1810 case RADEON_PP_TXFILTER_2:
1811 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1812 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1813 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1814 tmp = (idx_value >> 23) & 0x7;
1815 if (tmp == 2 || tmp == 6)
1816 track->textures[i].roundup_w = false;
1817 tmp = (idx_value >> 27) & 0x7;
1818 if (tmp == 2 || tmp == 6)
1819 track->textures[i].roundup_h = false;
1820 track->tex_dirty = true;
1821 break;
1822 case RADEON_PP_TXFORMAT_0:
1823 case RADEON_PP_TXFORMAT_1:
1824 case RADEON_PP_TXFORMAT_2:
1825 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1826 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1827 track->textures[i].use_pitch = 1;
1828 } else {
1829 track->textures[i].use_pitch = 0;
1830 track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1831 track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1832 }
1833 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1834 track->textures[i].tex_coord_type = 2;
1835 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1836 case RADEON_TXFORMAT_I8:
1837 case RADEON_TXFORMAT_RGB332:
1838 case RADEON_TXFORMAT_Y8:
1839 track->textures[i].cpp = 1;
1840 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1841 break;
1842 case RADEON_TXFORMAT_AI88:
1843 case RADEON_TXFORMAT_ARGB1555:
1844 case RADEON_TXFORMAT_RGB565:
1845 case RADEON_TXFORMAT_ARGB4444:
1846 case RADEON_TXFORMAT_VYUY422:
1847 case RADEON_TXFORMAT_YVYU422:
1848 case RADEON_TXFORMAT_SHADOW16:
1849 case RADEON_TXFORMAT_LDUDV655:
1850 case RADEON_TXFORMAT_DUDV88:
1851 track->textures[i].cpp = 2;
1852 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1853 break;
1854 case RADEON_TXFORMAT_ARGB8888:
1855 case RADEON_TXFORMAT_RGBA8888:
1856 case RADEON_TXFORMAT_SHADOW32:
1857 case RADEON_TXFORMAT_LDUDUV8888:
1858 track->textures[i].cpp = 4;
1859 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1860 break;
1861 case RADEON_TXFORMAT_DXT1:
1862 track->textures[i].cpp = 1;
1863 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1864 break;
1865 case RADEON_TXFORMAT_DXT23:
1866 case RADEON_TXFORMAT_DXT45:
1867 track->textures[i].cpp = 1;
1868 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1869 break;
1870 }
1871 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1872 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1873 track->tex_dirty = true;
1874 break;
1875 case RADEON_PP_CUBIC_FACES_0:
1876 case RADEON_PP_CUBIC_FACES_1:
1877 case RADEON_PP_CUBIC_FACES_2:
1878 tmp = idx_value;
1879 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1880 for (face = 0; face < 4; face++) {
1881 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1882 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1883 }
1884 track->tex_dirty = true;
1885 break;
1886 default:
1887 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1888 reg, idx);
1889 return -EINVAL;
1890 }
1891 return 0;
1892 }
1893
1894 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1895 struct radeon_cs_packet *pkt,
1896 struct radeon_bo *robj)
1897 {
1898 unsigned idx;
1899 u32 value;
1900 idx = pkt->idx + 1;
1901 value = radeon_get_ib_value(p, idx + 2);
1902 if ((value + 1) > radeon_bo_size(robj)) {
1903 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1904 "(need %u have %lu) !\n",
1905 value + 1,
1906 radeon_bo_size(robj));
1907 return -EINVAL;
1908 }
1909 return 0;
1910 }
1911
1912 static int r100_packet3_check(struct radeon_cs_parser *p,
1913 struct radeon_cs_packet *pkt)
1914 {
1915 struct radeon_cs_reloc *reloc;
1916 struct r100_cs_track *track;
1917 unsigned idx;
1918 volatile uint32_t *ib;
1919 int r;
1920
1921 ib = p->ib.ptr;
1922 idx = pkt->idx + 1;
1923 track = (struct r100_cs_track *)p->track;
1924 switch (pkt->opcode) {
1925 case PACKET3_3D_LOAD_VBPNTR:
1926 r = r100_packet3_load_vbpntr(p, pkt, idx);
1927 if (r)
1928 return r;
1929 break;
1930 case PACKET3_INDX_BUFFER:
1931 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1932 if (r) {
1933 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1934 radeon_cs_dump_packet(p, pkt);
1935 return r;
1936 }
1937 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset);
1938 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1939 if (r) {
1940 return r;
1941 }
1942 break;
1943 case 0x23:
1944 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1945 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1946 if (r) {
1947 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1948 radeon_cs_dump_packet(p, pkt);
1949 return r;
1950 }
1951 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset);
1952 track->num_arrays = 1;
1953 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1954
1955 track->arrays[0].robj = reloc->robj;
1956 track->arrays[0].esize = track->vtx_size;
1957
1958 track->max_indx = radeon_get_ib_value(p, idx+1);
1959
1960 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1961 track->immd_dwords = pkt->count - 1;
1962 r = r100_cs_track_check(p->rdev, track);
1963 if (r)
1964 return r;
1965 break;
1966 case PACKET3_3D_DRAW_IMMD:
1967 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1968 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1969 return -EINVAL;
1970 }
1971 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1972 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1973 track->immd_dwords = pkt->count - 1;
1974 r = r100_cs_track_check(p->rdev, track);
1975 if (r)
1976 return r;
1977 break;
1978 /* triggers drawing using in-packet vertex data */
1979 case PACKET3_3D_DRAW_IMMD_2:
1980 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1981 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1982 return -EINVAL;
1983 }
1984 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1985 track->immd_dwords = pkt->count;
1986 r = r100_cs_track_check(p->rdev, track);
1987 if (r)
1988 return r;
1989 break;
1990 /* triggers drawing using in-packet vertex data */
1991 case PACKET3_3D_DRAW_VBUF_2:
1992 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1993 r = r100_cs_track_check(p->rdev, track);
1994 if (r)
1995 return r;
1996 break;
1997 /* triggers drawing of vertex buffers setup elsewhere */
1998 case PACKET3_3D_DRAW_INDX_2:
1999 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
2000 r = r100_cs_track_check(p->rdev, track);
2001 if (r)
2002 return r;
2003 break;
2004 /* triggers drawing using indices to vertex buffer */
2005 case PACKET3_3D_DRAW_VBUF:
2006 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2007 r = r100_cs_track_check(p->rdev, track);
2008 if (r)
2009 return r;
2010 break;
2011 /* triggers drawing of vertex buffers setup elsewhere */
2012 case PACKET3_3D_DRAW_INDX:
2013 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2014 r = r100_cs_track_check(p->rdev, track);
2015 if (r)
2016 return r;
2017 break;
2018 /* triggers drawing using indices to vertex buffer */
2019 case PACKET3_3D_CLEAR_HIZ:
2020 case PACKET3_3D_CLEAR_ZMASK:
2021 if (p->rdev->hyperz_filp != p->filp)
2022 return -EINVAL;
2023 break;
2024 case PACKET3_NOP:
2025 break;
2026 default:
2027 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2028 return -EINVAL;
2029 }
2030 return 0;
2031 }
2032
2033 int r100_cs_parse(struct radeon_cs_parser *p)
2034 {
2035 struct radeon_cs_packet pkt;
2036 struct r100_cs_track *track;
2037 int r;
2038
2039 track = kzalloc(sizeof(*track), GFP_KERNEL);
2040 if (!track)
2041 return -ENOMEM;
2042 r100_cs_track_clear(p->rdev, track);
2043 p->track = track;
2044 do {
2045 r = radeon_cs_packet_parse(p, &pkt, p->idx);
2046 if (r) {
2047 kfree(p->track);
2048 p->track = NULL;
2049 return r;
2050 }
2051 p->idx += pkt.count + 2;
2052 switch (pkt.type) {
2053 case RADEON_PACKET_TYPE0:
2054 if (p->rdev->family >= CHIP_R200)
2055 r = r100_cs_parse_packet0(p, &pkt,
2056 p->rdev->config.r100.reg_safe_bm,
2057 p->rdev->config.r100.reg_safe_bm_size,
2058 &r200_packet0_check);
2059 else
2060 r = r100_cs_parse_packet0(p, &pkt,
2061 p->rdev->config.r100.reg_safe_bm,
2062 p->rdev->config.r100.reg_safe_bm_size,
2063 &r100_packet0_check);
2064 break;
2065 case RADEON_PACKET_TYPE2:
2066 break;
2067 case RADEON_PACKET_TYPE3:
2068 r = r100_packet3_check(p, &pkt);
2069 break;
2070 default:
2071 DRM_ERROR("Unknown packet type %d !\n",
2072 pkt.type);
2073 kfree(p->track);
2074 p->track = NULL;
2075 return -EINVAL;
2076 }
2077 if (r) {
2078 kfree(p->track);
2079 p->track = NULL;
2080 return r;
2081 }
2082 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2083 kfree(p->track);
2084 p->track = NULL;
2085 return 0;
2086 }
2087
2088 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2089 {
2090 DRM_ERROR("pitch %d\n", t->pitch);
2091 DRM_ERROR("use_pitch %d\n", t->use_pitch);
2092 DRM_ERROR("width %d\n", t->width);
2093 DRM_ERROR("width_11 %d\n", t->width_11);
2094 DRM_ERROR("height %d\n", t->height);
2095 DRM_ERROR("height_11 %d\n", t->height_11);
2096 DRM_ERROR("num levels %d\n", t->num_levels);
2097 DRM_ERROR("depth %d\n", t->txdepth);
2098 DRM_ERROR("bpp %d\n", t->cpp);
2099 DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
2100 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
2101 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2102 DRM_ERROR("compress format %d\n", t->compress_format);
2103 }
2104
2105 static int r100_track_compress_size(int compress_format, int w, int h)
2106 {
2107 int block_width, block_height, block_bytes;
2108 int wblocks, hblocks;
2109 int min_wblocks;
2110 int sz;
2111
2112 block_width = 4;
2113 block_height = 4;
2114
2115 switch (compress_format) {
2116 case R100_TRACK_COMP_DXT1:
2117 block_bytes = 8;
2118 min_wblocks = 4;
2119 break;
2120 default:
2121 case R100_TRACK_COMP_DXT35:
2122 block_bytes = 16;
2123 min_wblocks = 2;
2124 break;
2125 }
2126
2127 hblocks = (h + block_height - 1) / block_height;
2128 wblocks = (w + block_width - 1) / block_width;
2129 if (wblocks < min_wblocks)
2130 wblocks = min_wblocks;
2131 sz = wblocks * hblocks * block_bytes;
2132 return sz;
2133 }
2134
2135 static int r100_cs_track_cube(struct radeon_device *rdev,
2136 struct r100_cs_track *track, unsigned idx)
2137 {
2138 unsigned face, w, h;
2139 struct radeon_bo *cube_robj;
2140 unsigned long size;
2141 unsigned compress_format = track->textures[idx].compress_format;
2142
2143 for (face = 0; face < 5; face++) {
2144 cube_robj = track->textures[idx].cube_info[face].robj;
2145 w = track->textures[idx].cube_info[face].width;
2146 h = track->textures[idx].cube_info[face].height;
2147
2148 if (compress_format) {
2149 size = r100_track_compress_size(compress_format, w, h);
2150 } else
2151 size = w * h;
2152 size *= track->textures[idx].cpp;
2153
2154 size += track->textures[idx].cube_info[face].offset;
2155
2156 if (size > radeon_bo_size(cube_robj)) {
2157 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2158 size, radeon_bo_size(cube_robj));
2159 r100_cs_track_texture_print(&track->textures[idx]);
2160 return -1;
2161 }
2162 }
2163 return 0;
2164 }
2165
2166 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2167 struct r100_cs_track *track)
2168 {
2169 struct radeon_bo *robj;
2170 unsigned long size;
2171 unsigned u, i, w, h, d;
2172 int ret;
2173
2174 for (u = 0; u < track->num_texture; u++) {
2175 if (!track->textures[u].enabled)
2176 continue;
2177 if (track->textures[u].lookup_disable)
2178 continue;
2179 robj = track->textures[u].robj;
2180 if (robj == NULL) {
2181 DRM_ERROR("No texture bound to unit %u\n", u);
2182 return -EINVAL;
2183 }
2184 size = 0;
2185 for (i = 0; i <= track->textures[u].num_levels; i++) {
2186 if (track->textures[u].use_pitch) {
2187 if (rdev->family < CHIP_R300)
2188 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2189 else
2190 w = track->textures[u].pitch / (1 << i);
2191 } else {
2192 w = track->textures[u].width;
2193 if (rdev->family >= CHIP_RV515)
2194 w |= track->textures[u].width_11;
2195 w = w / (1 << i);
2196 if (track->textures[u].roundup_w)
2197 w = roundup_pow_of_two(w);
2198 }
2199 h = track->textures[u].height;
2200 if (rdev->family >= CHIP_RV515)
2201 h |= track->textures[u].height_11;
2202 h = h / (1 << i);
2203 if (track->textures[u].roundup_h)
2204 h = roundup_pow_of_two(h);
2205 if (track->textures[u].tex_coord_type == 1) {
2206 d = (1 << track->textures[u].txdepth) / (1 << i);
2207 if (!d)
2208 d = 1;
2209 } else {
2210 d = 1;
2211 }
2212 if (track->textures[u].compress_format) {
2213
2214 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2215 /* compressed textures are block based */
2216 } else
2217 size += w * h * d;
2218 }
2219 size *= track->textures[u].cpp;
2220
2221 switch (track->textures[u].tex_coord_type) {
2222 case 0:
2223 case 1:
2224 break;
2225 case 2:
2226 if (track->separate_cube) {
2227 ret = r100_cs_track_cube(rdev, track, u);
2228 if (ret)
2229 return ret;
2230 } else
2231 size *= 6;
2232 break;
2233 default:
2234 DRM_ERROR("Invalid texture coordinate type %u for unit "
2235 "%u\n", track->textures[u].tex_coord_type, u);
2236 return -EINVAL;
2237 }
2238 if (size > radeon_bo_size(robj)) {
2239 DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2240 "%lu\n", u, size, radeon_bo_size(robj));
2241 r100_cs_track_texture_print(&track->textures[u]);
2242 return -EINVAL;
2243 }
2244 }
2245 return 0;
2246 }
2247
2248 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2249 {
2250 unsigned i;
2251 unsigned long size;
2252 unsigned prim_walk;
2253 unsigned nverts;
2254 unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
2255
2256 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
2257 !track->blend_read_enable)
2258 num_cb = 0;
2259
2260 for (i = 0; i < num_cb; i++) {
2261 if (track->cb[i].robj == NULL) {
2262 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2263 return -EINVAL;
2264 }
2265 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2266 size += track->cb[i].offset;
2267 if (size > radeon_bo_size(track->cb[i].robj)) {
2268 DRM_ERROR("[drm] Buffer too small for color buffer %d "
2269 "(need %lu have %lu) !\n", i, size,
2270 radeon_bo_size(track->cb[i].robj));
2271 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2272 i, track->cb[i].pitch, track->cb[i].cpp,
2273 track->cb[i].offset, track->maxy);
2274 return -EINVAL;
2275 }
2276 }
2277 track->cb_dirty = false;
2278
2279 if (track->zb_dirty && track->z_enabled) {
2280 if (track->zb.robj == NULL) {
2281 DRM_ERROR("[drm] No buffer for z buffer !\n");
2282 return -EINVAL;
2283 }
2284 size = track->zb.pitch * track->zb.cpp * track->maxy;
2285 size += track->zb.offset;
2286 if (size > radeon_bo_size(track->zb.robj)) {
2287 DRM_ERROR("[drm] Buffer too small for z buffer "
2288 "(need %lu have %lu) !\n", size,
2289 radeon_bo_size(track->zb.robj));
2290 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2291 track->zb.pitch, track->zb.cpp,
2292 track->zb.offset, track->maxy);
2293 return -EINVAL;
2294 }
2295 }
2296 track->zb_dirty = false;
2297
2298 if (track->aa_dirty && track->aaresolve) {
2299 if (track->aa.robj == NULL) {
2300 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
2301 return -EINVAL;
2302 }
2303 /* I believe the format comes from colorbuffer0. */
2304 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
2305 size += track->aa.offset;
2306 if (size > radeon_bo_size(track->aa.robj)) {
2307 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
2308 "(need %lu have %lu) !\n", i, size,
2309 radeon_bo_size(track->aa.robj));
2310 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
2311 i, track->aa.pitch, track->cb[0].cpp,
2312 track->aa.offset, track->maxy);
2313 return -EINVAL;
2314 }
2315 }
2316 track->aa_dirty = false;
2317
2318 prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2319 if (track->vap_vf_cntl & (1 << 14)) {
2320 nverts = track->vap_alt_nverts;
2321 } else {
2322 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2323 }
2324 switch (prim_walk) {
2325 case 1:
2326 for (i = 0; i < track->num_arrays; i++) {
2327 size = track->arrays[i].esize * track->max_indx * 4;
2328 if (track->arrays[i].robj == NULL) {
2329 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2330 "bound\n", prim_walk, i);
2331 return -EINVAL;
2332 }
2333 if (size > radeon_bo_size(track->arrays[i].robj)) {
2334 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2335 "need %lu dwords have %lu dwords\n",
2336 prim_walk, i, size >> 2,
2337 radeon_bo_size(track->arrays[i].robj)
2338 >> 2);
2339 DRM_ERROR("Max indices %u\n", track->max_indx);
2340 return -EINVAL;
2341 }
2342 }
2343 break;
2344 case 2:
2345 for (i = 0; i < track->num_arrays; i++) {
2346 size = track->arrays[i].esize * (nverts - 1) * 4;
2347 if (track->arrays[i].robj == NULL) {
2348 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2349 "bound\n", prim_walk, i);
2350 return -EINVAL;
2351 }
2352 if (size > radeon_bo_size(track->arrays[i].robj)) {
2353 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2354 "need %lu dwords have %lu dwords\n",
2355 prim_walk, i, size >> 2,
2356 radeon_bo_size(track->arrays[i].robj)
2357 >> 2);
2358 return -EINVAL;
2359 }
2360 }
2361 break;
2362 case 3:
2363 size = track->vtx_size * nverts;
2364 if (size != track->immd_dwords) {
2365 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2366 track->immd_dwords, size);
2367 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2368 nverts, track->vtx_size);
2369 return -EINVAL;
2370 }
2371 break;
2372 default:
2373 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2374 prim_walk);
2375 return -EINVAL;
2376 }
2377
2378 if (track->tex_dirty) {
2379 track->tex_dirty = false;
2380 return r100_cs_track_texture_check(rdev, track);
2381 }
2382 return 0;
2383 }
2384
2385 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2386 {
2387 unsigned i, face;
2388
2389 track->cb_dirty = true;
2390 track->zb_dirty = true;
2391 track->tex_dirty = true;
2392 track->aa_dirty = true;
2393
2394 if (rdev->family < CHIP_R300) {
2395 track->num_cb = 1;
2396 if (rdev->family <= CHIP_RS200)
2397 track->num_texture = 3;
2398 else
2399 track->num_texture = 6;
2400 track->maxy = 2048;
2401 track->separate_cube = 1;
2402 } else {
2403 track->num_cb = 4;
2404 track->num_texture = 16;
2405 track->maxy = 4096;
2406 track->separate_cube = 0;
2407 track->aaresolve = false;
2408 track->aa.robj = NULL;
2409 }
2410
2411 for (i = 0; i < track->num_cb; i++) {
2412 track->cb[i].robj = NULL;
2413 track->cb[i].pitch = 8192;
2414 track->cb[i].cpp = 16;
2415 track->cb[i].offset = 0;
2416 }
2417 track->z_enabled = true;
2418 track->zb.robj = NULL;
2419 track->zb.pitch = 8192;
2420 track->zb.cpp = 4;
2421 track->zb.offset = 0;
2422 track->vtx_size = 0x7F;
2423 track->immd_dwords = 0xFFFFFFFFUL;
2424 track->num_arrays = 11;
2425 track->max_indx = 0x00FFFFFFUL;
2426 for (i = 0; i < track->num_arrays; i++) {
2427 track->arrays[i].robj = NULL;
2428 track->arrays[i].esize = 0x7F;
2429 }
2430 for (i = 0; i < track->num_texture; i++) {
2431 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
2432 track->textures[i].pitch = 16536;
2433 track->textures[i].width = 16536;
2434 track->textures[i].height = 16536;
2435 track->textures[i].width_11 = 1 << 11;
2436 track->textures[i].height_11 = 1 << 11;
2437 track->textures[i].num_levels = 12;
2438 if (rdev->family <= CHIP_RS200) {
2439 track->textures[i].tex_coord_type = 0;
2440 track->textures[i].txdepth = 0;
2441 } else {
2442 track->textures[i].txdepth = 16;
2443 track->textures[i].tex_coord_type = 1;
2444 }
2445 track->textures[i].cpp = 64;
2446 track->textures[i].robj = NULL;
2447 /* CS IB emission code makes sure texture unit are disabled */
2448 track->textures[i].enabled = false;
2449 track->textures[i].lookup_disable = false;
2450 track->textures[i].roundup_w = true;
2451 track->textures[i].roundup_h = true;
2452 if (track->separate_cube)
2453 for (face = 0; face < 5; face++) {
2454 track->textures[i].cube_info[face].robj = NULL;
2455 track->textures[i].cube_info[face].width = 16536;
2456 track->textures[i].cube_info[face].height = 16536;
2457 track->textures[i].cube_info[face].offset = 0;
2458 }
2459 }
2460 }
2461
2462 /*
2463 * Global GPU functions
2464 */
2465 static void r100_errata(struct radeon_device *rdev)
2466 {
2467 rdev->pll_errata = 0;
2468
2469 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2470 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2471 }
2472
2473 if (rdev->family == CHIP_RV100 ||
2474 rdev->family == CHIP_RS100 ||
2475 rdev->family == CHIP_RS200) {
2476 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2477 }
2478 }
2479
2480 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2481 {
2482 unsigned i;
2483 uint32_t tmp;
2484
2485 for (i = 0; i < rdev->usec_timeout; i++) {
2486 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2487 if (tmp >= n) {
2488 return 0;
2489 }
2490 DRM_UDELAY(1);
2491 }
2492 return -1;
2493 }
2494
2495 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2496 {
2497 unsigned i;
2498 uint32_t tmp;
2499
2500 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2501 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
2502 " Bad things might happen.\n");
2503 }
2504 for (i = 0; i < rdev->usec_timeout; i++) {
2505 tmp = RREG32(RADEON_RBBM_STATUS);
2506 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2507 return 0;
2508 }
2509 DRM_UDELAY(1);
2510 }
2511 return -1;
2512 }
2513
2514 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2515 {
2516 unsigned i;
2517 uint32_t tmp;
2518
2519 for (i = 0; i < rdev->usec_timeout; i++) {
2520 /* read MC_STATUS */
2521 tmp = RREG32(RADEON_MC_STATUS);
2522 if (tmp & RADEON_MC_IDLE) {
2523 return 0;
2524 }
2525 DRM_UDELAY(1);
2526 }
2527 return -1;
2528 }
2529
2530 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2531 {
2532 u32 rbbm_status;
2533
2534 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2535 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2536 radeon_ring_lockup_update(rdev, ring);
2537 return false;
2538 }
2539 return radeon_ring_test_lockup(rdev, ring);
2540 }
2541
2542 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
2543 void r100_enable_bm(struct radeon_device *rdev)
2544 {
2545 uint32_t tmp;
2546 /* Enable bus mastering */
2547 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
2548 WREG32(RADEON_BUS_CNTL, tmp);
2549 }
2550
2551 void r100_bm_disable(struct radeon_device *rdev)
2552 {
2553 u32 tmp;
2554
2555 /* disable bus mastering */
2556 tmp = RREG32(R_000030_BUS_CNTL);
2557 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2558 mdelay(1);
2559 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2560 mdelay(1);
2561 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2562 tmp = RREG32(RADEON_BUS_CNTL);
2563 mdelay(1);
2564 pci_disable_busmaster(rdev->dev->bsddev);
2565 mdelay(1);
2566 }
2567
2568 int r100_asic_reset(struct radeon_device *rdev)
2569 {
2570 struct r100_mc_save save;
2571 u32 status, tmp;
2572 int ret = 0;
2573
2574 status = RREG32(R_000E40_RBBM_STATUS);
2575 if (!G_000E40_GUI_ACTIVE(status)) {
2576 return 0;
2577 }
2578 r100_mc_stop(rdev, &save);
2579 status = RREG32(R_000E40_RBBM_STATUS);
2580 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2581 /* stop CP */
2582 WREG32(RADEON_CP_CSQ_CNTL, 0);
2583 tmp = RREG32(RADEON_CP_RB_CNTL);
2584 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2585 WREG32(RADEON_CP_RB_RPTR_WR, 0);
2586 WREG32(RADEON_CP_RB_WPTR, 0);
2587 WREG32(RADEON_CP_RB_CNTL, tmp);
2588 /* save PCI state */
2589 pci_save_state(device_get_parent(rdev->dev->bsddev));
2590 /* disable bus mastering */
2591 r100_bm_disable(rdev);
2592 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2593 S_0000F0_SOFT_RESET_RE(1) |
2594 S_0000F0_SOFT_RESET_PP(1) |
2595 S_0000F0_SOFT_RESET_RB(1));
2596 RREG32(R_0000F0_RBBM_SOFT_RESET);
2597 mdelay(500);
2598 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2599 mdelay(1);
2600 status = RREG32(R_000E40_RBBM_STATUS);
2601 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2602 /* reset CP */
2603 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2604 RREG32(R_0000F0_RBBM_SOFT_RESET);
2605 mdelay(500);
2606 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2607 mdelay(1);
2608 status = RREG32(R_000E40_RBBM_STATUS);
2609 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2610 /* restore PCI & busmastering */
2611 pci_restore_state(device_get_parent(rdev->dev->bsddev));
2612 r100_enable_bm(rdev);
2613 /* Check if GPU is idle */
2614 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2615 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2616 dev_err(rdev->dev, "failed to reset GPU\n");
2617 ret = -1;
2618 } else
2619 dev_info(rdev->dev, "GPU reset succeed\n");
2620 r100_mc_resume(rdev, &save);
2621 return ret;
2622 }
2623
2624 void r100_set_common_regs(struct radeon_device *rdev)
2625 {
2626 struct drm_device *dev = rdev->ddev;
2627 bool force_dac2 = false;
2628 u32 tmp;
2629
2630 /* set these so they don't interfere with anything */
2631 WREG32(RADEON_OV0_SCALE_CNTL, 0);
2632 WREG32(RADEON_SUBPIC_CNTL, 0);
2633 WREG32(RADEON_VIPH_CONTROL, 0);
2634 WREG32(RADEON_I2C_CNTL_1, 0);
2635 WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2636 WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2637 WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2638
2639 /* always set up dac2 on rn50 and some rv100 as lots
2640 * of servers seem to wire it up to a VGA port but
2641 * don't report it in the bios connector
2642 * table.
2643 */
2644 switch (dev->pdev->device) {
2645 /* RN50 */
2646 case 0x515e:
2647 case 0x5969:
2648 force_dac2 = true;
2649 break;
2650 /* RV100*/
2651 case 0x5159:
2652 case 0x515a:
2653 /* DELL triple head servers */
2654 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2655 ((dev->pdev->subsystem_device == 0x016c) ||
2656 (dev->pdev->subsystem_device == 0x016d) ||
2657 (dev->pdev->subsystem_device == 0x016e) ||
2658 (dev->pdev->subsystem_device == 0x016f) ||
2659 (dev->pdev->subsystem_device == 0x0170) ||
2660 (dev->pdev->subsystem_device == 0x017d) ||
2661 (dev->pdev->subsystem_device == 0x017e) ||
2662 (dev->pdev->subsystem_device == 0x0183) ||
2663 (dev->pdev->subsystem_device == 0x018a) ||
2664 (dev->pdev->subsystem_device == 0x019a)))
2665 force_dac2 = true;
2666 break;
2667 }
2668
2669 if (force_dac2) {
2670 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2671 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2672 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2673
2674 /* For CRT on DAC2, don't turn it on if BIOS didn't
2675 enable it, even it's detected.
2676 */
2677
2678 /* force it to crtc0 */
2679 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2680 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2681 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2682
2683 /* set up the TV DAC */
2684 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2685 RADEON_TV_DAC_STD_MASK |
2686 RADEON_TV_DAC_RDACPD |
2687 RADEON_TV_DAC_GDACPD |
2688 RADEON_TV_DAC_BDACPD |
2689 RADEON_TV_DAC_BGADJ_MASK |
2690 RADEON_TV_DAC_DACADJ_MASK);
2691 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2692 RADEON_TV_DAC_NHOLD |
2693 RADEON_TV_DAC_STD_PS2 |
2694 (0x58 << 16));
2695
2696 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2697 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2698 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2699 }
2700
2701 /* switch PM block to ACPI mode */
2702 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2703 tmp &= ~RADEON_PM_MODE_SEL;
2704 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2705
2706 }
2707
2708 /*
2709 * VRAM info
2710 */
2711 static void r100_vram_get_type(struct radeon_device *rdev)
2712 {
2713 uint32_t tmp;
2714
2715 rdev->mc.vram_is_ddr = false;
2716 if (rdev->flags & RADEON_IS_IGP)
2717 rdev->mc.vram_is_ddr = true;
2718 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2719 rdev->mc.vram_is_ddr = true;
2720 if ((rdev->family == CHIP_RV100) ||
2721 (rdev->family == CHIP_RS100) ||
2722 (rdev->family == CHIP_RS200)) {
2723 tmp = RREG32(RADEON_MEM_CNTL);
2724 if (tmp & RV100_HALF_MODE) {
2725 rdev->mc.vram_width = 32;
2726 } else {
2727 rdev->mc.vram_width = 64;
2728 }
2729 if (rdev->flags & RADEON_SINGLE_CRTC) {
2730 rdev->mc.vram_width /= 4;
2731 rdev->mc.vram_is_ddr = true;
2732 }
2733 } else if (rdev->family <= CHIP_RV280) {
2734 tmp = RREG32(RADEON_MEM_CNTL);
2735 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2736 rdev->mc.vram_width = 128;
2737 } else {
2738 rdev->mc.vram_width = 64;
2739 }
2740 } else {
2741 /* newer IGPs */
2742 rdev->mc.vram_width = 128;
2743 }
2744 }
2745
2746 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2747 {
2748 u32 aper_size;
2749 u8 byte;
2750
2751 aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2752
2753 /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2754 * that is has the 2nd generation multifunction PCI interface
2755 */
2756 if (rdev->family == CHIP_RV280 ||
2757 rdev->family >= CHIP_RV350) {
2758 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2759 ~RADEON_HDP_APER_CNTL);
2760 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2761 return aper_size * 2;
2762 }
2763
2764 /* Older cards have all sorts of funny issues to deal with. First
2765 * check if it's a multifunction card by reading the PCI config
2766 * header type... Limit those to one aperture size
2767 */
2768 byte = pci_read_config(rdev->dev->bsddev, 0xe, 1);
2769 if (byte & 0x80) {
2770 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2771 DRM_INFO("Limiting VRAM to one aperture\n");
2772 return aper_size;
2773 }
2774
2775 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2776 * have set it up. We don't write this as it's broken on some ASICs but
2777 * we expect the BIOS to have done the right thing (might be too optimistic...)
2778 */
2779 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2780 return aper_size * 2;
2781 return aper_size;
2782 }
2783
2784 void r100_vram_init_sizes(struct radeon_device *rdev)
2785 {
2786 u64 config_aper_size;
2787
2788 /* work out accessible VRAM */
2789 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2790 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2791 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2792 /* FIXME we don't use the second aperture yet when we could use it */
2793 if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2794 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2795 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2796 if (rdev->flags & RADEON_IS_IGP) {
2797 uint32_t tom;
2798 /* read NB_TOM to get the amount of ram stolen for the GPU */
2799 tom = RREG32(RADEON_NB_TOM);
2800 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2801 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2802 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2803 } else {
2804 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2805 /* Some production boards of m6 will report 0
2806 * if it's 8 MB
2807 */
2808 if (rdev->mc.real_vram_size == 0) {
2809 rdev->mc.real_vram_size = 8192 * 1024;
2810 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2811 }
2812 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2813 * Novell bug 204882 + along with lots of ubuntu ones
2814 */
2815 if (rdev->mc.aper_size > config_aper_size)
2816 config_aper_size = rdev->mc.aper_size;
2817
2818 if (config_aper_size > rdev->mc.real_vram_size)
2819 rdev->mc.mc_vram_size = config_aper_size;
2820 else
2821 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2822 }
2823 }
2824
2825 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2826 {
2827 uint32_t temp;
2828
2829 temp = RREG32(RADEON_CONFIG_CNTL);
2830 if (state == false) {
2831 temp &= ~RADEON_CFG_VGA_RAM_EN;
2832 temp |= RADEON_CFG_VGA_IO_DIS;
2833 } else {
2834 temp &= ~RADEON_CFG_VGA_IO_DIS;
2835 }
2836 WREG32(RADEON_CONFIG_CNTL, temp);
2837 }
2838
2839 static void r100_mc_init(struct radeon_device *rdev)
2840 {
2841 u64 base;
2842
2843 r100_vram_get_type(rdev);
2844 r100_vram_init_sizes(rdev);
2845 base = rdev->mc.aper_base;
2846 if (rdev->flags & RADEON_IS_IGP)
2847 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2848 radeon_vram_location(rdev, &rdev->mc, base);
2849 rdev->mc.gtt_base_align = 0;
2850 if (!(rdev->flags & RADEON_IS_AGP))
2851 radeon_gtt_location(rdev, &rdev->mc);
2852 radeon_update_bandwidth_info(rdev);
2853 }
2854
2855
2856 /*
2857 * Indirect registers accessor
2858 */
2859 void r100_pll_errata_after_index(struct radeon_device *rdev)
2860 {
2861 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2862 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2863 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2864 }
2865 }
2866
2867 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2868 {
2869 /* This workarounds is necessary on RV100, RS100 and RS200 chips
2870 * or the chip could hang on a subsequent access
2871 */
2872 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2873 mdelay(5);
2874 }
2875
2876 /* This function is required to workaround a hardware bug in some (all?)
2877 * revisions of the R300. This workaround should be called after every
2878 * CLOCK_CNTL_INDEX register access. If not, register reads afterward
2879 * may not be correct.
2880 */
2881 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2882 uint32_t save, tmp;
2883
2884 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2885 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2886 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2887 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2888 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2889 }
2890 }
2891
2892 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2893 {
2894 uint32_t data;
2895
2896 spin_lock(&rdev->pll_idx_lock);
2897 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2898 r100_pll_errata_after_index(rdev);
2899 data = RREG32(RADEON_CLOCK_CNTL_DATA);
2900 r100_pll_errata_after_data(rdev);
2901 spin_unlock(&rdev->pll_idx_lock);
2902 return data;
2903 }
2904
2905 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2906 {
2907 spin_lock(&rdev->pll_idx_lock);
2908 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2909 r100_pll_errata_after_index(rdev);
2910 WREG32(RADEON_CLOCK_CNTL_DATA, v);
2911 r100_pll_errata_after_data(rdev);
2912 spin_unlock(&rdev->pll_idx_lock);
2913 }
2914
2915 static void r100_set_safe_registers(struct radeon_device *rdev)
2916 {
2917 if (ASIC_IS_RN50(rdev)) {
2918 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2919 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2920 } else if (rdev->family < CHIP_R200) {
2921 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2922 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2923 } else {
2924 r200_set_safe_registers(rdev);
2925 }
2926 }
2927
2928 /*
2929 * Debugfs info
2930 */
2931 #if defined(CONFIG_DEBUG_FS)
2932 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2933 {
2934 struct drm_info_node *node = (struct drm_info_node *) m->private;
2935 struct drm_device *dev = node->minor->dev;
2936 struct radeon_device *rdev = dev->dev_private;
2937 uint32_t reg, value;
2938 unsigned i;
2939
2940 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2941 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2942 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2943 for (i = 0; i < 64; i++) {
2944 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2945 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2946 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2947 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2948 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2949 }
2950 return 0;
2951 }
2952
2953 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2954 {
2955 struct drm_info_node *node = (struct drm_info_node *) m->private;
2956 struct drm_device *dev = node->minor->dev;
2957 struct radeon_device *rdev = dev->dev_private;
2958 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2959 uint32_t rdp, wdp;
2960 unsigned count, i, j;
2961
2962 radeon_ring_free_size(rdev, ring);
2963 rdp = RREG32(RADEON_CP_RB_RPTR);
2964 wdp = RREG32(RADEON_CP_RB_WPTR);
2965 count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
2966 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2967 seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2968 seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2969 seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
2970 seq_printf(m, "%u dwords in ring\n", count);
2971 if (ring->ready) {
2972 for (j = 0; j <= count; j++) {
2973 i = (rdp + j) & ring->ptr_mask;
2974 seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
2975 }
2976 }
2977 return 0;
2978 }
2979
2980
2981 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2982 {
2983 struct drm_info_node *node = (struct drm_info_node *) m->private;
2984 struct drm_device *dev = node->minor->dev;
2985 struct radeon_device *rdev = dev->dev_private;
2986 uint32_t csq_stat, csq2_stat, tmp;
2987 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2988 unsigned i;
2989
2990 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2991 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2992 csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2993 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2994 r_rptr = (csq_stat >> 0) & 0x3ff;
2995 r_wptr = (csq_stat >> 10) & 0x3ff;
2996 ib1_rptr = (csq_stat >> 20) & 0x3ff;
2997 ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2998 ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2999 ib2_wptr = (csq2_stat >> 20) & 0x3ff;
3000 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
3001 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
3002 seq_printf(m, "Ring rptr %u\n", r_rptr);
3003 seq_printf(m, "Ring wptr %u\n", r_wptr);
3004 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
3005 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
3006 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
3007 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
3008 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
3009 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
3010 seq_printf(m, "Ring fifo:\n");
3011 for (i = 0; i < 256; i++) {
3012 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3013 tmp = RREG32(RADEON_CP_CSQ_DATA);
3014 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
3015 }
3016 seq_printf(m, "Indirect1 fifo:\n");
3017 for (i = 256; i <= 512; i++) {
3018 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3019 tmp = RREG32(RADEON_CP_CSQ_DATA);
3020 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
3021 }
3022 seq_printf(m, "Indirect2 fifo:\n");
3023 for (i = 640; i < ib1_wptr; i++) {
3024 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3025 tmp = RREG32(RADEON_CP_CSQ_DATA);
3026 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
3027 }
3028 return 0;
3029 }
3030
3031 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
3032 {
3033 struct drm_info_node *node = (struct drm_info_node *) m->private;
3034 struct drm_device *dev = node->minor->dev;
3035 struct radeon_device *rdev = dev->dev_private;
3036 uint32_t tmp;
3037
3038 tmp = RREG32(RADEON_CONFIG_MEMSIZE);
3039 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
3040 tmp = RREG32(RADEON_MC_FB_LOCATION);
3041 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
3042 tmp = RREG32(RADEON_BUS_CNTL);
3043 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
3044 tmp = RREG32(RADEON_MC_AGP_LOCATION);
3045 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
3046 tmp = RREG32(RADEON_AGP_BASE);
3047 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
3048 tmp = RREG32(RADEON_HOST_PATH_CNTL);
3049 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
3050 tmp = RREG32(0x01D0);
3051 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
3052 tmp = RREG32(RADEON_AIC_LO_ADDR);
3053 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
3054 tmp = RREG32(RADEON_AIC_HI_ADDR);
3055 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
3056 tmp = RREG32(0x01E4);
3057 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
3058 return 0;
3059 }
3060
3061 static struct drm_info_list r100_debugfs_rbbm_list[] = {
3062 {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
3063 };
3064
3065 static struct drm_info_list r100_debugfs_cp_list[] = {
3066 {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
3067 {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
3068 };
3069
3070 static struct drm_info_list r100_debugfs_mc_info_list[] = {
3071 {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
3072 };
3073 #endif
3074
3075 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
3076 {
3077 #if defined(CONFIG_DEBUG_FS)
3078 return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
3079 #else
3080 return 0;
3081 #endif
3082 }
3083
3084 int r100_debugfs_cp_init(struct radeon_device *rdev)
3085 {
3086 #if defined(CONFIG_DEBUG_FS)
3087 return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
3088 #else
3089 return 0;
3090 #endif
3091 }
3092
3093 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
3094 {
3095 #if defined(CONFIG_DEBUG_FS)
3096 return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
3097 #else
3098 return 0;
3099 #endif
3100 }
3101
3102 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
3103 uint32_t tiling_flags, uint32_t pitch,
3104 uint32_t offset, uint32_t obj_size)
3105 {
3106 int surf_index = reg * 16;
3107 int flags = 0;
3108
3109 if (rdev->family <= CHIP_RS200) {
3110 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3111 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3112 flags |= RADEON_SURF_TILE_COLOR_BOTH;
3113 if (tiling_flags & RADEON_TILING_MACRO)
3114 flags |= RADEON_SURF_TILE_COLOR_MACRO;
3115 /* setting pitch to 0 disables tiling */
3116 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3117 == 0)
3118 pitch = 0;
3119 } else if (rdev->family <= CHIP_RV280) {
3120 if (tiling_flags & (RADEON_TILING_MACRO))
3121 flags |= R200_SURF_TILE_COLOR_MACRO;
3122 if (tiling_flags & RADEON_TILING_MICRO)
3123 flags |= R200_SURF_TILE_COLOR_MICRO;
3124 } else {
3125 if (tiling_flags & RADEON_TILING_MACRO)
3126 flags |= R300_SURF_TILE_MACRO;
3127 if (tiling_flags & RADEON_TILING_MICRO)
3128 flags |= R300_SURF_TILE_MICRO;
3129 }
3130
3131 if (tiling_flags & RADEON_TILING_SWAP_16BIT)
3132 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
3133 if (tiling_flags & RADEON_TILING_SWAP_32BIT)
3134 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
3135
3136 /* r100/r200 divide by 16 */
3137 if (rdev->family < CHIP_R300)
3138 flags |= pitch / 16;
3139 else
3140 flags |= pitch / 8;
3141
3142
3143 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
3144 WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
3145 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
3146 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
3147 return 0;
3148 }
3149
3150 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
3151 {
3152 int surf_index = reg * 16;
3153 WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
3154 }
3155
3156 void r100_bandwidth_update(struct radeon_device *rdev)
3157 {
3158 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
3159 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
3160 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
3161 uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
3162 fixed20_12 memtcas_ff[8] = {
3163 dfixed_init(1),
3164 dfixed_init(2),
3165 dfixed_init(3),
3166 dfixed_init(0),
3167 dfixed_init_half(1),
3168 dfixed_init_half(2),
3169 dfixed_init(0),
3170 };
3171 fixed20_12 memtcas_rs480_ff[8] = {
3172 dfixed_init(0),
3173 dfixed_init(1),
3174 dfixed_init(2),
3175 dfixed_init(3),
3176 dfixed_init(0),
3177 dfixed_init_half(1),
3178 dfixed_init_half(2),
3179 dfixed_init_half(3),
3180 };
3181 fixed20_12 memtcas2_ff[8] = {
3182 dfixed_init(0),
3183 dfixed_init(1),
3184 dfixed_init(2),
3185 dfixed_init(3),
3186 dfixed_init(4),
3187 dfixed_init(5),
3188 dfixed_init(6),
3189 dfixed_init(7),
3190 };
3191 fixed20_12 memtrbs[8] = {
3192 dfixed_init(1),
3193 dfixed_init_half(1),
3194 dfixed_init(2),
3195 dfixed_init_half(2),
3196 dfixed_init(3),
3197 dfixed_init_half(3),
3198 dfixed_init(4),
3199 dfixed_init_half(4)
3200 };
3201 fixed20_12 memtrbs_r4xx[8] = {
3202 dfixed_init(4),
3203 dfixed_init(5),
3204 dfixed_init(6),
3205 dfixed_init(7),
3206 dfixed_init(8),
3207 dfixed_init(9),
3208 dfixed_init(10),
3209 dfixed_init(11)
3210 };
3211 fixed20_12 min_mem_eff;
3212 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
3213 fixed20_12 cur_latency_mclk, cur_latency_sclk;
3214 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
3215 disp_drain_rate2, read_return_rate;
3216 fixed20_12 time_disp1_drop_priority;
3217 int c;
3218 int cur_size = 16; /* in octawords */
3219 int critical_point = 0, critical_point2;
3220 /* uint32_t read_return_rate, time_disp1_drop_priority; */
3221 int stop_req, max_stop_req;
3222 struct drm_display_mode *mode1 = NULL;
3223 struct drm_display_mode *mode2 = NULL;
3224 uint32_t pixel_bytes1 = 0;
3225 uint32_t pixel_bytes2 = 0;
3226
3227 if (!rdev->mode_info.mode_config_initialized)
3228 return;
3229
3230 radeon_update_display_priority(rdev);
3231
3232 if (rdev->mode_info.crtcs[0]->base.enabled) {
3233 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
3234 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.primary->fb->bits_per_pixel / 8;
3235 }
3236 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3237 if (rdev->mode_info.crtcs[1]->base.enabled) {
3238 mode2 = &rdev->mode_info.crtcs[1]->base.mode;
3239 pixel_bytes2 = rdev->mode_info.crtcs[1]->base.primary->fb->bits_per_pixel / 8;
3240 }
3241 }
3242
3243 min_mem_eff.full = dfixed_const_8(0);
3244 /* get modes */
3245 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
3246 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
3247 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
3248 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
3249 /* check crtc enables */
3250 if (mode2)
3251 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
3252 if (mode1)
3253 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
3254 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
3255 }
3256
3257 /*
3258 * determine is there is enough bw for current mode
3259 */
3260 sclk_ff = rdev->pm.sclk;
3261 mclk_ff = rdev->pm.mclk;
3262
3263 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
3264 temp_ff.full = dfixed_const(temp);
3265 mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
3266
3267 pix_clk.full = 0;
3268 pix_clk2.full = 0;
3269 peak_disp_bw.full = 0;
3270 if (mode1) {
3271 temp_ff.full = dfixed_const(1000);
3272 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
3273 pix_clk.full = dfixed_div(pix_clk, temp_ff);
3274 temp_ff.full = dfixed_const(pixel_bytes1);
3275 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
3276 }
3277 if (mode2) {
3278 temp_ff.full = dfixed_const(1000);
3279 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
3280 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
3281 temp_ff.full = dfixed_const(pixel_bytes2);
3282 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
3283 }
3284
3285 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
3286 if (peak_disp_bw.full >= mem_bw.full) {
3287 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
3288 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
3289 }
3290
3291 /* Get values from the EXT_MEM_CNTL register...converting its contents. */
3292 temp = RREG32(RADEON_MEM_TIMING_CNTL);
3293 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
3294 mem_trcd = ((temp >> 2) & 0x3) + 1;
3295 mem_trp = ((temp & 0x3)) + 1;
3296 mem_tras = ((temp & 0x70) >> 4) + 1;
3297 } else if (rdev->family == CHIP_R300 ||
3298 rdev->family == CHIP_R350) { /* r300, r350 */
3299 mem_trcd = (temp & 0x7) + 1;
3300 mem_trp = ((temp >> 8) & 0x7) + 1;
3301 mem_tras = ((temp >> 11) & 0xf) + 4;
3302 } else if (rdev->family == CHIP_RV350 ||
3303 rdev->family <= CHIP_RV380) {
3304 /* rv3x0 */
3305 mem_trcd = (temp & 0x7) + 3;
3306 mem_trp = ((temp >> 8) & 0x7) + 3;
3307 mem_tras = ((temp >> 11) & 0xf) + 6;
3308 } else if (rdev->family == CHIP_R420 ||
3309 rdev->family == CHIP_R423 ||
3310 rdev->family == CHIP_RV410) {
3311 /* r4xx */
3312 mem_trcd = (temp & 0xf) + 3;
3313 if (mem_trcd > 15)
3314 mem_trcd = 15;
3315 mem_trp = ((temp >> 8) & 0xf) + 3;
3316 if (mem_trp > 15)
3317 mem_trp = 15;
3318 mem_tras = ((temp >> 12) & 0x1f) + 6;
3319 if (mem_tras > 31)
3320 mem_tras = 31;
3321 } else { /* RV200, R200 */
3322 mem_trcd = (temp & 0x7) + 1;
3323 mem_trp = ((temp >> 8) & 0x7) + 1;
3324 mem_tras = ((temp >> 12) & 0xf) + 4;
3325 }
3326 /* convert to FF */
3327 trcd_ff.full = dfixed_const(mem_trcd);
3328 trp_ff.full = dfixed_const(mem_trp);
3329 tras_ff.full = dfixed_const(mem_tras);
3330
3331 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3332 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3333 data = (temp & (7 << 20)) >> 20;
3334 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3335 if (rdev->family == CHIP_RS480) /* don't think rs400 */
3336 tcas_ff = memtcas_rs480_ff[data];
3337 else
3338 tcas_ff = memtcas_ff[data];
3339 } else
3340 tcas_ff = memtcas2_ff[data];
3341
3342 if (rdev->family == CHIP_RS400 ||
3343 rdev->family == CHIP_RS480) {
3344 /* extra cas latency stored in bits 23-25 0-4 clocks */
3345 data = (temp >> 23) & 0x7;
3346 if (data < 5)
3347 tcas_ff.full += dfixed_const(data);
3348 }
3349
3350 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3351 /* on the R300, Tcas is included in Trbs.
3352 */
3353 temp = RREG32(RADEON_MEM_CNTL);
3354 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3355 if (data == 1) {
3356 if (R300_MEM_USE_CD_CH_ONLY & temp) {
3357 temp = RREG32(R300_MC_IND_INDEX);
3358 temp &= ~R300_MC_IND_ADDR_MASK;
3359 temp |= R300_MC_READ_CNTL_CD_mcind;
3360 WREG32(R300_MC_IND_INDEX, temp);
3361 temp = RREG32(R300_MC_IND_DATA);
3362 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3363 } else {
3364 temp = RREG32(R300_MC_READ_CNTL_AB);
3365 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3366 }
3367 } else {
3368 temp = RREG32(R300_MC_READ_CNTL_AB);
3369 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3370 }
3371 if (rdev->family == CHIP_RV410 ||
3372 rdev->family == CHIP_R420 ||
3373 rdev->family == CHIP_R423)
3374 trbs_ff = memtrbs_r4xx[data];
3375 else
3376 trbs_ff = memtrbs[data];
3377 tcas_ff.full += trbs_ff.full;
3378 }
3379
3380 sclk_eff_ff.full = sclk_ff.full;
3381
3382 if (rdev->flags & RADEON_IS_AGP) {
3383 fixed20_12 agpmode_ff;
3384 agpmode_ff.full = dfixed_const(radeon_agpmode);
3385 temp_ff.full = dfixed_const_666(16);
3386 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3387 }
3388 /* TODO PCIE lanes may affect this - agpmode == 16?? */
3389
3390 if (ASIC_IS_R300(rdev)) {
3391 sclk_delay_ff.full = dfixed_const(250);
3392 } else {
3393 if ((rdev->family == CHIP_RV100) ||
3394 rdev->flags & RADEON_IS_IGP) {
3395 if (rdev->mc.vram_is_ddr)
3396 sclk_delay_ff.full = dfixed_const(41);
3397 else
3398 sclk_delay_ff.full = dfixed_const(33);
3399 } else {
3400 if (rdev->mc.vram_width == 128)
3401 sclk_delay_ff.full = dfixed_const(57);
3402 else
3403 sclk_delay_ff.full = dfixed_const(41);
3404 }
3405 }
3406
3407 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3408
3409 if (rdev->mc.vram_is_ddr) {
3410 if (rdev->mc.vram_width == 32) {
3411 k1.full = dfixed_const(40);
3412 c = 3;
3413 } else {
3414 k1.full = dfixed_const(20);
3415 c = 1;
3416 }
3417 } else {
3418 k1.full = dfixed_const(40);
3419 c = 3;
3420 }
3421
3422 temp_ff.full = dfixed_const(2);
3423 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3424 temp_ff.full = dfixed_const(c);
3425 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3426 temp_ff.full = dfixed_const(4);
3427 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3428 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3429 mc_latency_mclk.full += k1.full;
3430
3431 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3432 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3433
3434 /*
3435 HW cursor time assuming worst case of full size colour cursor.
3436 */
3437 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3438 temp_ff.full += trcd_ff.full;
3439 if (temp_ff.full < tras_ff.full)
3440 temp_ff.full = tras_ff.full;
3441 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3442
3443 temp_ff.full = dfixed_const(cur_size);
3444 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3445 /*
3446 Find the total latency for the display data.
3447 */
3448 disp_latency_overhead.full = dfixed_const(8);
3449 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3450 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3451 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3452
3453 if (mc_latency_mclk.full > mc_latency_sclk.full)
3454 disp_latency.full = mc_latency_mclk.full;
3455 else
3456 disp_latency.full = mc_latency_sclk.full;
3457
3458 /* setup Max GRPH_STOP_REQ default value */
3459 if (ASIC_IS_RV100(rdev))
3460 max_stop_req = 0x5c;
3461 else
3462 max_stop_req = 0x7c;
3463
3464 if (mode1) {
3465 /* CRTC1
3466 Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3467 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3468 */
3469 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3470
3471 if (stop_req > max_stop_req)
3472 stop_req = max_stop_req;
3473
3474 /*
3475 Find the drain rate of the display buffer.
3476 */
3477 temp_ff.full = dfixed_const((16/pixel_bytes1));
3478 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3479
3480 /*
3481 Find the critical point of the display buffer.
3482 */
3483 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3484 crit_point_ff.full += dfixed_const_half(0);
3485
3486 critical_point = dfixed_trunc(crit_point_ff);
3487
3488 if (rdev->disp_priority == 2) {
3489 critical_point = 0;
3490 }
3491
3492 /*
3493 The critical point should never be above max_stop_req-4. Setting
3494 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3495 */
3496 if (max_stop_req - critical_point < 4)
3497 critical_point = 0;
3498
3499 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3500 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3501 critical_point = 0x10;
3502 }
3503
3504 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3505 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3506 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3507 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3508 if ((rdev->family == CHIP_R350) &&
3509 (stop_req > 0x15)) {
3510 stop_req -= 0x10;
3511 }
3512 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3513 temp |= RADEON_GRPH_BUFFER_SIZE;
3514 temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
3515 RADEON_GRPH_CRITICAL_AT_SOF |
3516 RADEON_GRPH_STOP_CNTL);
3517 /*
3518 Write the result into the register.
3519 */
3520 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3521 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3522
3523 #if 0
3524 if ((rdev->family == CHIP_RS400) ||
3525 (rdev->family == CHIP_RS480)) {
3526 /* attempt to program RS400 disp regs correctly ??? */
3527 temp = RREG32(RS400_DISP1_REG_CNTL);
3528 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3529 RS400_DISP1_STOP_REQ_LEVEL_MASK);
3530 WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3531 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3532 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3533 temp = RREG32(RS400_DMIF_MEM_CNTL1);
3534 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3535 RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3536 WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3537 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3538 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3539 }
3540 #endif
3541
3542 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3543 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
3544 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3545 }
3546
3547 if (mode2) {
3548 u32 grph2_cntl;
3549 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3550
3551 if (stop_req > max_stop_req)
3552 stop_req = max_stop_req;
3553
3554 /*
3555 Find the drain rate of the display buffer.
3556 */
3557 temp_ff.full = dfixed_const((16/pixel_bytes2));
3558 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3559
3560 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3561 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3562 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3563 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3564 if ((rdev->family == CHIP_R350) &&
3565 (stop_req > 0x15)) {
3566 stop_req -= 0x10;
3567 }
3568 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3569 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3570 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
3571 RADEON_GRPH_CRITICAL_AT_SOF |
3572 RADEON_GRPH_STOP_CNTL);
3573
3574 if ((rdev->family == CHIP_RS100) ||
3575 (rdev->family == CHIP_RS200))
3576 critical_point2 = 0;
3577 else {
3578 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3579 temp_ff.full = dfixed_const(temp);
3580 temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3581 if (sclk_ff.full < temp_ff.full)
3582 temp_ff.full = sclk_ff.full;
3583
3584 read_return_rate.full = temp_ff.full;
3585
3586 if (mode1) {
3587 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3588 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3589 } else {
3590 time_disp1_drop_priority.full = 0;
3591 }
3592 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3593 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3594 crit_point_ff.full += dfixed_const_half(0);
3595
3596 critical_point2 = dfixed_trunc(crit_point_ff);
3597
3598 if (rdev->disp_priority == 2) {
3599 critical_point2 = 0;
3600 }
3601
3602 if (max_stop_req - critical_point2 < 4)
3603 critical_point2 = 0;
3604
3605 }
3606
3607 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3608 /* some R300 cards have problem with this set to 0 */
3609 critical_point2 = 0x10;
3610 }
3611
3612 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3613 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3614
3615 if ((rdev->family == CHIP_RS400) ||
3616 (rdev->family == CHIP_RS480)) {
3617 #if 0
3618 /* attempt to program RS400 disp2 regs correctly ??? */
3619 temp = RREG32(RS400_DISP2_REQ_CNTL1);
3620 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3621 RS400_DISP2_STOP_REQ_LEVEL_MASK);
3622 WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3623 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3624 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3625 temp = RREG32(RS400_DISP2_REQ_CNTL2);
3626 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3627 RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3628 WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3629 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3630 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3631 #endif
3632 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3633 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3634 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
3635 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3636 }
3637
3638 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3639 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3640 }
3641 }
3642
3643 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3644 {
3645 uint32_t scratch;
3646 uint32_t tmp = 0;
3647 unsigned i;
3648 int r;
3649
3650 r = radeon_scratch_get(rdev, &scratch);
3651 if (r) {
3652 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3653 return r;
3654 }
3655 WREG32(scratch, 0xCAFEDEAD);
3656 r = radeon_ring_lock(rdev, ring, 2);
3657 if (r) {
3658 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3659 radeon_scratch_free(rdev, scratch);
3660 return r;
3661 }
3662 radeon_ring_write(ring, PACKET0(scratch, 0));
3663 radeon_ring_write(ring, 0xDEADBEEF);
3664 radeon_ring_unlock_commit(rdev, ring, false);
3665 for (i = 0; i < rdev->usec_timeout; i++) {
3666 tmp = RREG32(scratch);
3667 if (tmp == 0xDEADBEEF) {
3668 break;
3669 }
3670 DRM_UDELAY(1);
3671 }
3672 if (i < rdev->usec_timeout) {
3673 DRM_INFO("ring test succeeded in %d usecs\n", i);
3674 } else {
3675 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3676 scratch, tmp);
3677 r = -EINVAL;
3678 }
3679 radeon_scratch_free(rdev, scratch);
3680 return r;
3681 }
3682
3683 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3684 {
3685 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3686
3687 if (ring->rptr_save_reg) {
3688 u32 next_rptr = ring->wptr + 2 + 3;
3689 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
3690 radeon_ring_write(ring, next_rptr);
3691 }
3692
3693 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3694 radeon_ring_write(ring, ib->gpu_addr);
3695 radeon_ring_write(ring, ib->length_dw);
3696 }
3697
3698 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3699 {
3700 struct radeon_ib ib;
3701 uint32_t scratch;
3702 uint32_t tmp = 0;
3703 unsigned i;
3704 int r;
3705
3706 r = radeon_scratch_get(rdev, &scratch);
3707 if (r) {
3708 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3709 return r;
3710 }
3711 WREG32(scratch, 0xCAFEDEAD);
3712 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
3713 if (r) {
3714 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3715 goto free_scratch;
3716 }
3717 ib.ptr[0] = PACKET0(scratch, 0);
3718 ib.ptr[1] = 0xDEADBEEF;
3719 ib.ptr[2] = PACKET2(0);
3720 ib.ptr[3] = PACKET2(0);
3721 ib.ptr[4] = PACKET2(0);
3722 ib.ptr[5] = PACKET2(0);
3723 ib.ptr[6] = PACKET2(0);
3724 ib.ptr[7] = PACKET2(0);
3725 ib.length_dw = 8;
3726 r = radeon_ib_schedule(rdev, &ib, NULL, false);
3727 if (r) {
3728 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3729 goto free_ib;
3730 }
3731 r = radeon_fence_wait(ib.fence, false);
3732 if (r) {
3733 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3734 goto free_ib;
3735 }
3736 for (i = 0; i < rdev->usec_timeout; i++) {
3737 tmp = RREG32(scratch);
3738 if (tmp == 0xDEADBEEF) {
3739 break;
3740 }
3741 DRM_UDELAY(1);
3742 }
3743 if (i < rdev->usec_timeout) {
3744 DRM_INFO("ib test succeeded in %u usecs\n", i);
3745 } else {
3746 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3747 scratch, tmp);
3748 r = -EINVAL;
3749 }
3750 free_ib:
3751 radeon_ib_free(rdev, &ib);
3752 free_scratch:
3753 radeon_scratch_free(rdev, scratch);
3754 return r;
3755 }
3756
3757 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3758 {
3759 /* Shutdown CP we shouldn't need to do that but better be safe than
3760 * sorry
3761 */
3762 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3763 WREG32(R_000740_CP_CSQ_CNTL, 0);
3764
3765 /* Save few CRTC registers */
3766 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3767 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3768 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3769 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3770 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3771 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3772 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3773 }
3774
3775 /* Disable VGA aperture access */
3776 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3777 /* Disable cursor, overlay, crtc */
3778 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3779 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3780 S_000054_CRTC_DISPLAY_DIS(1));
3781 WREG32(R_000050_CRTC_GEN_CNTL,
3782 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3783 S_000050_CRTC_DISP_REQ_EN_B(1));
3784 WREG32(R_000420_OV0_SCALE_CNTL,
3785 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3786 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3787 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3788 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3789 S_000360_CUR2_LOCK(1));
3790 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3791 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3792 S_0003F8_CRTC2_DISPLAY_DIS(1) |
3793 S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3794 WREG32(R_000360_CUR2_OFFSET,
3795 C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3796 }
3797 }
3798
3799 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3800 {
3801 /* Update base address for crtc */
3802 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3803 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3804 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3805 }
3806 /* Restore CRTC registers */
3807 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3808 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3809 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3810 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3811 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3812 }
3813 }
3814
3815 void r100_vga_render_disable(struct radeon_device *rdev)
3816 {
3817 u32 tmp;
3818
3819 tmp = RREG8(R_0003C2_GENMO_WT);
3820 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3821 }
3822
3823 static void r100_debugfs(struct radeon_device *rdev)
3824 {
3825 int r;
3826
3827 r = r100_debugfs_mc_info_init(rdev);
3828 if (r)
3829 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3830 }
3831
3832 static void r100_mc_program(struct radeon_device *rdev)
3833 {
3834 struct r100_mc_save save;
3835
3836 /* Stops all mc clients */
3837 r100_mc_stop(rdev, &save);
3838 if (rdev->flags & RADEON_IS_AGP) {
3839 WREG32(R_00014C_MC_AGP_LOCATION,
3840 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3841 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3842 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3843 if (rdev->family > CHIP_RV200)
3844 WREG32(R_00015C_AGP_BASE_2,
3845 upper_32_bits(rdev->mc.agp_base) & 0xff);
3846 } else {
3847 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3848 WREG32(R_000170_AGP_BASE, 0);
3849 if (rdev->family > CHIP_RV200)
3850 WREG32(R_00015C_AGP_BASE_2, 0);
3851 }
3852 /* Wait for mc idle */
3853 if (r100_mc_wait_for_idle(rdev))
3854 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3855 /* Program MC, should be a 32bits limited address space */
3856 WREG32(R_000148_MC_FB_LOCATION,
3857 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3858 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3859 r100_mc_resume(rdev, &save);
3860 }
3861
3862 static void r100_clock_startup(struct radeon_device *rdev)
3863 {
3864 u32 tmp;
3865
3866 if (radeon_dynclks != -1 && radeon_dynclks)
3867 radeon_legacy_set_clock_gating(rdev, 1);
3868 /* We need to force on some of the block */
3869 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3870 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3871 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3872 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3873 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3874 }
3875
3876 static int r100_startup(struct radeon_device *rdev)
3877 {
3878 int r;
3879
3880 /* set common regs */
3881 r100_set_common_regs(rdev);
3882 /* program mc */
3883 r100_mc_program(rdev);
3884 /* Resume clock */
3885 r100_clock_startup(rdev);
3886 /* Initialize GART (initialize after TTM so we can allocate
3887 * memory through TTM but finalize after TTM) */
3888 r100_enable_bm(rdev);
3889 if (rdev->flags & RADEON_IS_PCI) {
3890 r = r100_pci_gart_enable(rdev);
3891 if (r)
3892 return r;
3893 }
3894
3895 /* allocate wb buffer */
3896 r = radeon_wb_init(rdev);
3897 if (r)
3898 return r;
3899
3900 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3901 if (r) {
3902 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3903 return r;
3904 }
3905
3906 /* Enable IRQ */
3907 if (!rdev->irq.installed) {
3908 r = radeon_irq_kms_init(rdev);
3909 if (r)
3910 return r;
3911 }
3912
3913 r100_irq_set(rdev);
3914 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3915 /* 1M ring buffer */
3916 r = r100_cp_init(rdev, 1024 * 1024);
3917 if (r) {
3918 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3919 return r;
3920 }
3921
3922 r = radeon_ib_pool_init(rdev);
3923 if (r) {
3924 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3925 return r;
3926 }
3927
3928 return 0;
3929 }
3930
3931 int r100_resume(struct radeon_device *rdev)
3932 {
3933 int r;
3934
3935 /* Make sur GART are not working */
3936 if (rdev->flags & RADEON_IS_PCI)
3937 r100_pci_gart_disable(rdev);
3938 /* Resume clock before doing reset */
3939 r100_clock_startup(rdev);
3940 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3941 if (radeon_asic_reset(rdev)) {
3942 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3943 RREG32(R_000E40_RBBM_STATUS),
3944 RREG32(R_0007C0_CP_STAT));
3945 }
3946 /* post */
3947 radeon_combios_asic_init(rdev->ddev);
3948 /* Resume clock after posting */
3949 r100_clock_startup(rdev);
3950 /* Initialize surface registers */
3951 radeon_surface_init(rdev);
3952
3953 rdev->accel_working = true;
3954 r = r100_startup(rdev);
3955 if (r) {
3956 rdev->accel_working = false;
3957 }
3958 return r;
3959 }
3960
3961 int r100_suspend(struct radeon_device *rdev)
3962 {
3963 radeon_pm_suspend(rdev);
3964 r100_cp_disable(rdev);
3965 radeon_wb_disable(rdev);
3966 r100_irq_disable(rdev);
3967 if (rdev->flags & RADEON_IS_PCI)
3968 r100_pci_gart_disable(rdev);
3969 return 0;
3970 }
3971
3972 void r100_fini(struct radeon_device *rdev)
3973 {
3974 radeon_pm_fini(rdev);
3975 r100_cp_fini(rdev);
3976 radeon_wb_fini(rdev);
3977 radeon_ib_pool_fini(rdev);
3978 radeon_gem_fini(rdev);
3979 if (rdev->flags & RADEON_IS_PCI)
3980 r100_pci_gart_fini(rdev);
3981 radeon_agp_fini(rdev);
3982 radeon_irq_kms_fini(rdev);
3983 radeon_fence_driver_fini(rdev);
3984 radeon_bo_fini(rdev);
3985 radeon_atombios_fini(rdev);
3986 r100_cp_fini_microcode(rdev);
3987 kfree(rdev->bios);
3988 rdev->bios = NULL;
3989 }
3990
3991 /*
3992 * Due to how kexec works, it can leave the hw fully initialised when it
3993 * boots the new kernel. However doing our init sequence with the CP and
3994 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
3995 * do some quick sanity checks and restore sane values to avoid this
3996 * problem.
3997 */
3998 void r100_restore_sanity(struct radeon_device *rdev)
3999 {
4000 u32 tmp;
4001
4002 tmp = RREG32(RADEON_CP_CSQ_CNTL);
4003 if (tmp) {
4004 WREG32(RADEON_CP_CSQ_CNTL, 0);
4005 }
4006 tmp = RREG32(RADEON_CP_RB_CNTL);
4007 if (tmp) {
4008 WREG32(RADEON_CP_RB_CNTL, 0);
4009 }
4010 tmp = RREG32(RADEON_SCRATCH_UMSK);
4011 if (tmp) {
4012 WREG32(RADEON_SCRATCH_UMSK, 0);
4013 }
4014 }
4015
4016 int r100_init(struct radeon_device *rdev)
4017 {
4018 int r;
4019
4020 /* Register debugfs file specific to this group of asics */
4021 r100_debugfs(rdev);
4022 /* Disable VGA */
4023 r100_vga_render_disable(rdev);
4024 /* Initialize scratch registers */
4025 radeon_scratch_init(rdev);
4026 /* Initialize surface registers */
4027 radeon_surface_init(rdev);
4028 /* sanity check some register to avoid hangs like after kexec */
4029 r100_restore_sanity(rdev);
4030 /* TODO: disable VGA need to use VGA request */
4031 /* BIOS*/
4032 if (!radeon_get_bios(rdev)) {
4033 if (ASIC_IS_AVIVO(rdev))
4034 return -EINVAL;
4035 }
4036 if (rdev->is_atom_bios) {
4037 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4038 return -EINVAL;
4039 } else {
4040 r = radeon_combios_init(rdev);
4041 if (r)
4042 return r;
4043 }
4044 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4045 if (radeon_asic_reset(rdev)) {
4046 dev_warn(rdev->dev,
4047 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4048 RREG32(R_000E40_RBBM_STATUS),
4049 RREG32(R_0007C0_CP_STAT));
4050 }
4051 /* check if cards are posted or not */
4052 if (radeon_boot_test_post_card(rdev) == false)
4053 return -EINVAL;
4054 /* Set asic errata */
4055 r100_errata(rdev);
4056 /* Initialize clocks */
4057 radeon_get_clock_info(rdev->ddev);
4058 /* initialize AGP */
4059 if (rdev->flags & RADEON_IS_AGP) {
4060 r = radeon_agp_init(rdev);
4061 if (r) {
4062 radeon_agp_disable(rdev);
4063 }
4064 }
4065 /* initialize VRAM */
4066 r100_mc_init(rdev);
4067 /* Fence driver */
4068 r = radeon_fence_driver_init(rdev);
4069 if (r)
4070 return r;
4071 /* Memory manager */
4072 r = radeon_bo_init(rdev);
4073 if (r)
4074 return r;
4075 if (rdev->flags & RADEON_IS_PCI) {
4076 r = r100_pci_gart_init(rdev);
4077 if (r)
4078 return r;
4079 }
4080 r100_set_safe_registers(rdev);
4081
4082 /* Initialize power management */
4083 radeon_pm_init(rdev);
4084
4085 rdev->accel_working = true;
4086 r = r100_startup(rdev);
4087 if (r) {
4088 /* Somethings want wront with the accel init stop accel */
4089 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4090 r100_cp_fini(rdev);
4091 radeon_wb_fini(rdev);
4092 radeon_ib_pool_fini(rdev);
4093 radeon_irq_kms_fini(rdev);
4094 if (rdev->flags & RADEON_IS_PCI)
4095 r100_pci_gart_fini(rdev);
4096 rdev->accel_working = false;
4097 }
4098 return 0;
4099 }
4100
4101 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
4102 bool always_indirect)
4103 {
4104 if (reg < rdev->rmmio_size && !always_indirect)
4105 return bus_read_4(rdev->rmmio, reg);
4106 else {
4107 uint32_t ret;
4108
4109 spin_lock(&rdev->mmio_idx_lock);
4110 bus_write_4(rdev->rmmio, RADEON_MM_INDEX, reg);
4111 ret = bus_read_4(rdev->rmmio, RADEON_MM_DATA);
4112 spin_unlock(&rdev->mmio_idx_lock);
4113
4114 return ret;
4115 }
4116 }
4117
4118 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
4119 bool always_indirect)
4120 {
4121 if (reg < rdev->rmmio_size && !always_indirect)
4122 bus_write_4(rdev->rmmio, reg, v);
4123 else {
4124 spin_lock(&rdev->mmio_idx_lock);
4125 bus_write_4(rdev->rmmio, RADEON_MM_INDEX, reg);
4126 bus_write_4(rdev->rmmio, RADEON_MM_DATA, v);
4127 spin_unlock(&rdev->mmio_idx_lock);
4128 }
4129 }
4130
4131 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4132 {
4133 if (reg < rdev->rio_mem_size)
4134 return bus_read_4(rdev->rio_mem, reg);
4135 else {
4136 /* XXX No locking? -- dumbbell@ */
4137 bus_write_4(rdev->rio_mem, RADEON_MM_INDEX, reg);
4138 return bus_read_4(rdev->rio_mem, RADEON_MM_DATA);
4139 }
4140 }
4141
4142 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4143 {
4144 if (reg < rdev->rio_mem_size)
4145 bus_write_4(rdev->rio_mem, reg, v);
4146 else {
4147 /* XXX No locking? -- dumbbell@ */
4148 bus_write_4(rdev->rio_mem, RADEON_MM_INDEX, reg);
4149 bus_write_4(rdev->rio_mem, RADEON_MM_DATA, v);
4150 }
4151 }
DragonFly BSD