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[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / radeon / r100.c
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #include <linux/seq_file.h>
29 #include <linux/slab.h>
30 #include <drm/drmP.h>
31 #include <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 "radeon/R100_cp.bin"
49 #define FIRMWARE_R200 "radeon/R200_cp.bin"
50 #define FIRMWARE_R300 "radeon/R300_cp.bin"
51 #define FIRMWARE_R420 "radeon/R420_cp.bin"
52 #define FIRMWARE_RS690 "radeon/RS690_cp.bin"
53 #define FIRMWARE_RS600 "radeon/RS600_cp.bin"
54 #define FIRMWARE_R520 "radeon/R520_cp.bin"
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, bool async)
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 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
596 enable |= 1 << radeon_connector->hpd.hpd;
597 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
598 }
599 radeon_irq_kms_enable_hpd(rdev, enable);
600 }
601
602 /**
603 * r100_hpd_fini - hpd tear down callback.
604 *
605 * @rdev: radeon_device pointer
606 *
607 * Tear down the hpd pins used by the card (r1xx-r4xx).
608 * Disable the hpd interrupts.
609 */
610 void r100_hpd_fini(struct radeon_device *rdev)
611 {
612 struct drm_device *dev = rdev->ddev;
613 struct drm_connector *connector;
614 unsigned disable = 0;
615
616 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
617 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
618 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
619 disable |= 1 << radeon_connector->hpd.hpd;
620 }
621 radeon_irq_kms_disable_hpd(rdev, disable);
622 }
623
624 /*
625 * PCI GART
626 */
627 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
628 {
629 /* TODO: can we do somethings here ? */
630 /* It seems hw only cache one entry so we should discard this
631 * entry otherwise if first GPU GART read hit this entry it
632 * could end up in wrong address. */
633 }
634
635 int r100_pci_gart_init(struct radeon_device *rdev)
636 {
637 int r;
638
639 if (rdev->gart.ptr) {
640 WARN(1, "R100 PCI GART already initialized\n");
641 return 0;
642 }
643 /* Initialize common gart structure */
644 r = radeon_gart_init(rdev);
645 if (r)
646 return r;
647 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
648 rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
649 rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry;
650 rdev->asic->gart.set_page = &r100_pci_gart_set_page;
651 return radeon_gart_table_ram_alloc(rdev);
652 }
653
654 int r100_pci_gart_enable(struct radeon_device *rdev)
655 {
656 uint32_t tmp;
657
658 /* discard memory request outside of configured range */
659 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
660 WREG32(RADEON_AIC_CNTL, tmp);
661 /* set address range for PCI address translate */
662 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
663 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
664 /* set PCI GART page-table base address */
665 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
666 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
667 WREG32(RADEON_AIC_CNTL, tmp);
668 r100_pci_gart_tlb_flush(rdev);
669 DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n",
670 (unsigned)(rdev->mc.gtt_size >> 20),
671 (unsigned long long)rdev->gart.table_addr);
672 rdev->gart.ready = true;
673 return 0;
674 }
675
676 void r100_pci_gart_disable(struct radeon_device *rdev)
677 {
678 uint32_t tmp;
679
680 /* discard memory request outside of configured range */
681 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
682 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
683 WREG32(RADEON_AIC_LO_ADDR, 0);
684 WREG32(RADEON_AIC_HI_ADDR, 0);
685 }
686
687 uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags)
688 {
689 return addr;
690 }
691
692 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
693 uint64_t entry)
694 {
695 u32 *gtt = rdev->gart.ptr;
696 gtt[i] = cpu_to_le32(lower_32_bits(entry));
697 }
698
699 void r100_pci_gart_fini(struct radeon_device *rdev)
700 {
701 radeon_gart_fini(rdev);
702 r100_pci_gart_disable(rdev);
703 radeon_gart_table_ram_free(rdev);
704 }
705
706 int r100_irq_set(struct radeon_device *rdev)
707 {
708 uint32_t tmp = 0;
709
710 if (!rdev->irq.installed) {
711 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
712 WREG32(R_000040_GEN_INT_CNTL, 0);
713 return -EINVAL;
714 }
715 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
716 tmp |= RADEON_SW_INT_ENABLE;
717 }
718 if (rdev->irq.crtc_vblank_int[0] ||
719 atomic_read(&rdev->irq.pflip[0])) {
720 tmp |= RADEON_CRTC_VBLANK_MASK;
721 }
722 if (rdev->irq.crtc_vblank_int[1] ||
723 atomic_read(&rdev->irq.pflip[1])) {
724 tmp |= RADEON_CRTC2_VBLANK_MASK;
725 }
726 if (rdev->irq.hpd[0]) {
727 tmp |= RADEON_FP_DETECT_MASK;
728 }
729 if (rdev->irq.hpd[1]) {
730 tmp |= RADEON_FP2_DETECT_MASK;
731 }
732 WREG32(RADEON_GEN_INT_CNTL, tmp);
733
734 /* read back to post the write */
735 RREG32(RADEON_GEN_INT_CNTL);
736
737 return 0;
738 }
739
740 void r100_irq_disable(struct radeon_device *rdev)
741 {
742 u32 tmp;
743
744 WREG32(R_000040_GEN_INT_CNTL, 0);
745 /* Wait and acknowledge irq */
746 mdelay(1);
747 tmp = RREG32(R_000044_GEN_INT_STATUS);
748 WREG32(R_000044_GEN_INT_STATUS, tmp);
749 }
750
751 static uint32_t r100_irq_ack(struct radeon_device *rdev)
752 {
753 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
754 uint32_t irq_mask = RADEON_SW_INT_TEST |
755 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
756 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
757
758 if (irqs) {
759 WREG32(RADEON_GEN_INT_STATUS, irqs);
760 }
761 return irqs & irq_mask;
762 }
763
764 int r100_irq_process(struct radeon_device *rdev)
765 {
766 uint32_t status, msi_rearm;
767 bool queue_hotplug = false;
768
769 status = r100_irq_ack(rdev);
770 if (!status) {
771 return IRQ_NONE;
772 }
773 if (rdev->shutdown) {
774 return IRQ_NONE;
775 }
776 while (status) {
777 /* SW interrupt */
778 if (status & RADEON_SW_INT_TEST) {
779 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
780 }
781 /* Vertical blank interrupts */
782 if (status & RADEON_CRTC_VBLANK_STAT) {
783 if (rdev->irq.crtc_vblank_int[0]) {
784 drm_handle_vblank(rdev->ddev, 0);
785 rdev->pm.vblank_sync = true;
786 wake_up(&rdev->irq.vblank_queue);
787 }
788 if (atomic_read(&rdev->irq.pflip[0]))
789 radeon_crtc_handle_vblank(rdev, 0);
790 }
791 if (status & RADEON_CRTC2_VBLANK_STAT) {
792 if (rdev->irq.crtc_vblank_int[1]) {
793 drm_handle_vblank(rdev->ddev, 1);
794 rdev->pm.vblank_sync = true;
795 wake_up(&rdev->irq.vblank_queue);
796 }
797 if (atomic_read(&rdev->irq.pflip[1]))
798 radeon_crtc_handle_vblank(rdev, 1);
799 }
800 if (status & RADEON_FP_DETECT_STAT) {
801 queue_hotplug = true;
802 DRM_DEBUG("HPD1\n");
803 }
804 if (status & RADEON_FP2_DETECT_STAT) {
805 queue_hotplug = true;
806 DRM_DEBUG("HPD2\n");
807 }
808 status = r100_irq_ack(rdev);
809 }
810 if (queue_hotplug)
811 schedule_delayed_work(&rdev->hotplug_work, 0);
812 if (rdev->msi_enabled) {
813 switch (rdev->family) {
814 case CHIP_RS400:
815 case CHIP_RS480:
816 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
817 WREG32(RADEON_AIC_CNTL, msi_rearm);
818 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
819 break;
820 default:
821 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
822 break;
823 }
824 }
825 return IRQ_HANDLED;
826 }
827
828 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
829 {
830 if (crtc == 0)
831 return RREG32(RADEON_CRTC_CRNT_FRAME);
832 else
833 return RREG32(RADEON_CRTC2_CRNT_FRAME);
834 }
835
836 /**
837 * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
838 * rdev: radeon device structure
839 * ring: ring buffer struct for emitting packets
840 */
841 static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
842 {
843 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
844 radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
845 RADEON_HDP_READ_BUFFER_INVALIDATE);
846 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
847 radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
848 }
849
850 /* Who ever call radeon_fence_emit should call ring_lock and ask
851 * for enough space (today caller are ib schedule and buffer move) */
852 void r100_fence_ring_emit(struct radeon_device *rdev,
853 struct radeon_fence *fence)
854 {
855 struct radeon_ring *ring = &rdev->ring[fence->ring];
856
857 /* We have to make sure that caches are flushed before
858 * CPU might read something from VRAM. */
859 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
860 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
861 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
862 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
863 /* Wait until IDLE & CLEAN */
864 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
865 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
866 r100_ring_hdp_flush(rdev, ring);
867 /* Emit fence sequence & fire IRQ */
868 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
869 radeon_ring_write(ring, fence->seq);
870 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
871 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
872 }
873
874 bool r100_semaphore_ring_emit(struct radeon_device *rdev,
875 struct radeon_ring *ring,
876 struct radeon_semaphore *semaphore,
877 bool emit_wait)
878 {
879 /* Unused on older asics, since we don't have semaphores or multiple rings */
880 BUG();
881 return false;
882 }
883
884 struct radeon_fence *r100_copy_blit(struct radeon_device *rdev,
885 uint64_t src_offset,
886 uint64_t dst_offset,
887 unsigned num_gpu_pages,
888 struct reservation_object *resv)
889 {
890 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
891 struct radeon_fence *fence;
892 uint32_t cur_pages;
893 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
894 uint32_t pitch;
895 uint32_t stride_pixels;
896 unsigned ndw;
897 int num_loops;
898 int r = 0;
899
900 /* radeon limited to 16k stride */
901 stride_bytes &= 0x3fff;
902 /* radeon pitch is /64 */
903 pitch = stride_bytes / 64;
904 stride_pixels = stride_bytes / 4;
905 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
906
907 /* Ask for enough room for blit + flush + fence */
908 ndw = 64 + (10 * num_loops);
909 r = radeon_ring_lock(rdev, ring, ndw);
910 if (r) {
911 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
912 return ERR_PTR(-EINVAL);
913 }
914 while (num_gpu_pages > 0) {
915 cur_pages = num_gpu_pages;
916 if (cur_pages > 8191) {
917 cur_pages = 8191;
918 }
919 num_gpu_pages -= cur_pages;
920
921 /* pages are in Y direction - height
922 page width in X direction - width */
923 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
924 radeon_ring_write(ring,
925 RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
926 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
927 RADEON_GMC_SRC_CLIPPING |
928 RADEON_GMC_DST_CLIPPING |
929 RADEON_GMC_BRUSH_NONE |
930 (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
931 RADEON_GMC_SRC_DATATYPE_COLOR |
932 RADEON_ROP3_S |
933 RADEON_DP_SRC_SOURCE_MEMORY |
934 RADEON_GMC_CLR_CMP_CNTL_DIS |
935 RADEON_GMC_WR_MSK_DIS);
936 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
937 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
938 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
939 radeon_ring_write(ring, 0);
940 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
941 radeon_ring_write(ring, num_gpu_pages);
942 radeon_ring_write(ring, num_gpu_pages);
943 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
944 }
945 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
946 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
947 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
948 radeon_ring_write(ring,
949 RADEON_WAIT_2D_IDLECLEAN |
950 RADEON_WAIT_HOST_IDLECLEAN |
951 RADEON_WAIT_DMA_GUI_IDLE);
952 r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
953 if (r) {
954 radeon_ring_unlock_undo(rdev, ring);
955 return ERR_PTR(r);
956 }
957 radeon_ring_unlock_commit(rdev, ring, false);
958 return fence;
959 }
960
961 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
962 {
963 unsigned i;
964 u32 tmp;
965
966 for (i = 0; i < rdev->usec_timeout; i++) {
967 tmp = RREG32(R_000E40_RBBM_STATUS);
968 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
969 return 0;
970 }
971 udelay(1);
972 }
973 return -1;
974 }
975
976 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
977 {
978 int r;
979
980 r = radeon_ring_lock(rdev, ring, 2);
981 if (r) {
982 return;
983 }
984 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
985 radeon_ring_write(ring,
986 RADEON_ISYNC_ANY2D_IDLE3D |
987 RADEON_ISYNC_ANY3D_IDLE2D |
988 RADEON_ISYNC_WAIT_IDLEGUI |
989 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
990 radeon_ring_unlock_commit(rdev, ring, false);
991 }
992
993
994 /* Load the microcode for the CP */
995 static int r100_cp_init_microcode(struct radeon_device *rdev)
996 {
997 const char *fw_name = NULL;
998 int err;
999
1000 DRM_DEBUG_KMS("\n");
1001
1002 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
1003 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
1004 (rdev->family == CHIP_RS200)) {
1005 DRM_INFO("Loading R100 Microcode\n");
1006 fw_name = FIRMWARE_R100;
1007 } else if ((rdev->family == CHIP_R200) ||
1008 (rdev->family == CHIP_RV250) ||
1009 (rdev->family == CHIP_RV280) ||
1010 (rdev->family == CHIP_RS300)) {
1011 DRM_INFO("Loading R200 Microcode\n");
1012 fw_name = FIRMWARE_R200;
1013 } else if ((rdev->family == CHIP_R300) ||
1014 (rdev->family == CHIP_R350) ||
1015 (rdev->family == CHIP_RV350) ||
1016 (rdev->family == CHIP_RV380) ||
1017 (rdev->family == CHIP_RS400) ||
1018 (rdev->family == CHIP_RS480)) {
1019 DRM_INFO("Loading R300 Microcode\n");
1020 fw_name = FIRMWARE_R300;
1021 } else if ((rdev->family == CHIP_R420) ||
1022 (rdev->family == CHIP_R423) ||
1023 (rdev->family == CHIP_RV410)) {
1024 DRM_INFO("Loading R400 Microcode\n");
1025 fw_name = FIRMWARE_R420;
1026 } else if ((rdev->family == CHIP_RS690) ||
1027 (rdev->family == CHIP_RS740)) {
1028 DRM_INFO("Loading RS690/RS740 Microcode\n");
1029 fw_name = FIRMWARE_RS690;
1030 } else if (rdev->family == CHIP_RS600) {
1031 DRM_INFO("Loading RS600 Microcode\n");
1032 fw_name = FIRMWARE_RS600;
1033 } else if ((rdev->family == CHIP_RV515) ||
1034 (rdev->family == CHIP_R520) ||
1035 (rdev->family == CHIP_RV530) ||
1036 (rdev->family == CHIP_R580) ||
1037 (rdev->family == CHIP_RV560) ||
1038 (rdev->family == CHIP_RV570)) {
1039 DRM_INFO("Loading R500 Microcode\n");
1040 fw_name = FIRMWARE_R520;
1041 }
1042
1043 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1044 if (err) {
1045 pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name);
1046 } else if (rdev->me_fw->size % 8) {
1047 pr_err("radeon_cp: Bogus length %zu in firmware \"%s\"\n",
1048 rdev->me_fw->size, fw_name);
1049 err = -EINVAL;
1050 release_firmware(rdev->me_fw);
1051 rdev->me_fw = NULL;
1052 }
1053 return err;
1054 }
1055
1056 u32 r100_gfx_get_rptr(struct radeon_device *rdev,
1057 struct radeon_ring *ring)
1058 {
1059 u32 rptr;
1060
1061 if (rdev->wb.enabled)
1062 rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
1063 else
1064 rptr = RREG32(RADEON_CP_RB_RPTR);
1065
1066 return rptr;
1067 }
1068
1069 u32 r100_gfx_get_wptr(struct radeon_device *rdev,
1070 struct radeon_ring *ring)
1071 {
1072 return RREG32(RADEON_CP_RB_WPTR);
1073 }
1074
1075 void r100_gfx_set_wptr(struct radeon_device *rdev,
1076 struct radeon_ring *ring)
1077 {
1078 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1079 (void)RREG32(RADEON_CP_RB_WPTR);
1080 }
1081
1082 static void r100_cp_load_microcode(struct radeon_device *rdev)
1083 {
1084 const __be32 *fw_data;
1085 int i, size;
1086
1087 if (r100_gui_wait_for_idle(rdev)) {
1088 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
1089 }
1090
1091 if (rdev->me_fw) {
1092 size = rdev->me_fw->size / 4;
1093 fw_data = (const __be32 *)&rdev->me_fw->data[0];
1094 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1095 for (i = 0; i < size; i += 2) {
1096 WREG32(RADEON_CP_ME_RAM_DATAH,
1097 be32_to_cpup(&fw_data[i]));
1098 WREG32(RADEON_CP_ME_RAM_DATAL,
1099 be32_to_cpup(&fw_data[i + 1]));
1100 }
1101 }
1102 }
1103
1104 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1105 {
1106 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1107 unsigned rb_bufsz;
1108 unsigned rb_blksz;
1109 unsigned max_fetch;
1110 unsigned pre_write_timer;
1111 unsigned pre_write_limit;
1112 unsigned indirect2_start;
1113 unsigned indirect1_start;
1114 uint32_t tmp;
1115 int r;
1116
1117 if (r100_debugfs_cp_init(rdev)) {
1118 DRM_ERROR("Failed to register debugfs file for CP !\n");
1119 }
1120 if (!rdev->me_fw) {
1121 r = r100_cp_init_microcode(rdev);
1122 if (r) {
1123 DRM_ERROR("Failed to load firmware!\n");
1124 return r;
1125 }
1126 }
1127
1128 /* Align ring size */
1129 rb_bufsz = order_base_2(ring_size / 8);
1130 ring_size = (1 << (rb_bufsz + 1)) * 4;
1131 r100_cp_load_microcode(rdev);
1132 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1133 RADEON_CP_PACKET2);
1134 if (r) {
1135 return r;
1136 }
1137 /* Each time the cp read 1024 bytes (16 dword/quadword) update
1138 * the rptr copy in system ram */
1139 rb_blksz = 9;
1140 /* cp will read 128bytes at a time (4 dwords) */
1141 max_fetch = 1;
1142 ring->align_mask = 16 - 1;
1143 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1144 pre_write_timer = 64;
1145 /* Force CP_RB_WPTR write if written more than one time before the
1146 * delay expire
1147 */
1148 pre_write_limit = 0;
1149 /* Setup the cp cache like this (cache size is 96 dwords) :
1150 * RING 0 to 15
1151 * INDIRECT1 16 to 79
1152 * INDIRECT2 80 to 95
1153 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1154 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1155 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1156 * Idea being that most of the gpu cmd will be through indirect1 buffer
1157 * so it gets the bigger cache.
1158 */
1159 indirect2_start = 80;
1160 indirect1_start = 16;
1161 /* cp setup */
1162 WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1163 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1164 REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1165 REG_SET(RADEON_MAX_FETCH, max_fetch));
1166 #ifdef __BIG_ENDIAN
1167 tmp |= RADEON_BUF_SWAP_32BIT;
1168 #endif
1169 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1170
1171 /* Set ring address */
1172 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1173 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1174 /* Force read & write ptr to 0 */
1175 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1176 WREG32(RADEON_CP_RB_RPTR_WR, 0);
1177 ring->wptr = 0;
1178 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1179
1180 /* set the wb address whether it's enabled or not */
1181 WREG32(R_00070C_CP_RB_RPTR_ADDR,
1182 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1183 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1184
1185 if (rdev->wb.enabled)
1186 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1187 else {
1188 tmp |= RADEON_RB_NO_UPDATE;
1189 WREG32(R_000770_SCRATCH_UMSK, 0);
1190 }
1191
1192 WREG32(RADEON_CP_RB_CNTL, tmp);
1193 udelay(10);
1194 /* Set cp mode to bus mastering & enable cp*/
1195 WREG32(RADEON_CP_CSQ_MODE,
1196 REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1197 REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1198 WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1199 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1200 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1201
1202 /* at this point everything should be setup correctly to enable master */
1203 pci_set_master(rdev->pdev);
1204
1205 radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1206 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1207 if (r) {
1208 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1209 return r;
1210 }
1211 ring->ready = true;
1212 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1213
1214 if (!ring->rptr_save_reg /* not resuming from suspend */
1215 && radeon_ring_supports_scratch_reg(rdev, ring)) {
1216 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
1217 if (r) {
1218 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
1219 ring->rptr_save_reg = 0;
1220 }
1221 }
1222 return 0;
1223 }
1224
1225 void r100_cp_fini(struct radeon_device *rdev)
1226 {
1227 if (r100_cp_wait_for_idle(rdev)) {
1228 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1229 }
1230 /* Disable ring */
1231 r100_cp_disable(rdev);
1232 radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
1233 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1234 DRM_INFO("radeon: cp finalized\n");
1235 }
1236
1237 void r100_cp_disable(struct radeon_device *rdev)
1238 {
1239 /* Disable ring */
1240 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1241 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1242 WREG32(RADEON_CP_CSQ_MODE, 0);
1243 WREG32(RADEON_CP_CSQ_CNTL, 0);
1244 WREG32(R_000770_SCRATCH_UMSK, 0);
1245 if (r100_gui_wait_for_idle(rdev)) {
1246 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
1247 }
1248 }
1249
1250 /*
1251 * CS functions
1252 */
1253 int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
1254 struct radeon_cs_packet *pkt,
1255 unsigned idx,
1256 unsigned reg)
1257 {
1258 int r;
1259 u32 tile_flags = 0;
1260 u32 tmp;
1261 struct radeon_bo_list *reloc;
1262 u32 value;
1263
1264 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1265 if (r) {
1266 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1267 idx, reg);
1268 radeon_cs_dump_packet(p, pkt);
1269 return r;
1270 }
1271
1272 value = radeon_get_ib_value(p, idx);
1273 tmp = value & 0x003fffff;
1274 tmp += (((u32)reloc->gpu_offset) >> 10);
1275
1276 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1277 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1278 tile_flags |= RADEON_DST_TILE_MACRO;
1279 if (reloc->tiling_flags & RADEON_TILING_MICRO) {
1280 if (reg == RADEON_SRC_PITCH_OFFSET) {
1281 DRM_ERROR("Cannot src blit from microtiled surface\n");
1282 radeon_cs_dump_packet(p, pkt);
1283 return -EINVAL;
1284 }
1285 tile_flags |= RADEON_DST_TILE_MICRO;
1286 }
1287
1288 tmp |= tile_flags;
1289 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp;
1290 } else
1291 p->ib.ptr[idx] = (value & 0xffc00000) | tmp;
1292 return 0;
1293 }
1294
1295 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
1296 struct radeon_cs_packet *pkt,
1297 int idx)
1298 {
1299 unsigned c, i;
1300 struct radeon_bo_list *reloc;
1301 struct r100_cs_track *track;
1302 int r = 0;
1303 volatile uint32_t *ib;
1304 u32 idx_value;
1305
1306 ib = p->ib.ptr;
1307 track = (struct r100_cs_track *)p->track;
1308 c = radeon_get_ib_value(p, idx++) & 0x1F;
1309 if (c > 16) {
1310 DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
1311 pkt->opcode);
1312 radeon_cs_dump_packet(p, pkt);
1313 return -EINVAL;
1314 }
1315 track->num_arrays = c;
1316 for (i = 0; i < (c - 1); i+=2, idx+=3) {
1317 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1318 if (r) {
1319 DRM_ERROR("No reloc for packet3 %d\n",
1320 pkt->opcode);
1321 radeon_cs_dump_packet(p, pkt);
1322 return r;
1323 }
1324 idx_value = radeon_get_ib_value(p, idx);
1325 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1326
1327 track->arrays[i + 0].esize = idx_value >> 8;
1328 track->arrays[i + 0].robj = reloc->robj;
1329 track->arrays[i + 0].esize &= 0x7F;
1330 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1331 if (r) {
1332 DRM_ERROR("No reloc for packet3 %d\n",
1333 pkt->opcode);
1334 radeon_cs_dump_packet(p, pkt);
1335 return r;
1336 }
1337 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->gpu_offset);
1338 track->arrays[i + 1].robj = reloc->robj;
1339 track->arrays[i + 1].esize = idx_value >> 24;
1340 track->arrays[i + 1].esize &= 0x7F;
1341 }
1342 if (c & 1) {
1343 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1344 if (r) {
1345 DRM_ERROR("No reloc for packet3 %d\n",
1346 pkt->opcode);
1347 radeon_cs_dump_packet(p, pkt);
1348 return r;
1349 }
1350 idx_value = radeon_get_ib_value(p, idx);
1351 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1352 track->arrays[i + 0].robj = reloc->robj;
1353 track->arrays[i + 0].esize = idx_value >> 8;
1354 track->arrays[i + 0].esize &= 0x7F;
1355 }
1356 return r;
1357 }
1358
1359 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1360 struct radeon_cs_packet *pkt,
1361 const unsigned *auth, unsigned n,
1362 radeon_packet0_check_t check)
1363 {
1364 unsigned reg;
1365 unsigned i, j, m;
1366 unsigned idx;
1367 int r;
1368
1369 idx = pkt->idx + 1;
1370 reg = pkt->reg;
1371 /* Check that register fall into register range
1372 * determined by the number of entry (n) in the
1373 * safe register bitmap.
1374 */
1375 if (pkt->one_reg_wr) {
1376 if ((reg >> 7) > n) {
1377 return -EINVAL;
1378 }
1379 } else {
1380 if (((reg + (pkt->count << 2)) >> 7) > n) {
1381 return -EINVAL;
1382 }
1383 }
1384 for (i = 0; i <= pkt->count; i++, idx++) {
1385 j = (reg >> 7);
1386 m = 1 << ((reg >> 2) & 31);
1387 if (auth[j] & m) {
1388 r = check(p, pkt, idx, reg);
1389 if (r) {
1390 return r;
1391 }
1392 }
1393 if (pkt->one_reg_wr) {
1394 if (!(auth[j] & m)) {
1395 break;
1396 }
1397 } else {
1398 reg += 4;
1399 }
1400 }
1401 return 0;
1402 }
1403
1404 /**
1405 * r100_cs_packet_next_vline() - parse userspace VLINE packet
1406 * @parser: parser structure holding parsing context.
1407 *
1408 * Userspace sends a special sequence for VLINE waits.
1409 * PACKET0 - VLINE_START_END + value
1410 * PACKET0 - WAIT_UNTIL +_value
1411 * RELOC (P3) - crtc_id in reloc.
1412 *
1413 * This function parses this and relocates the VLINE START END
1414 * and WAIT UNTIL packets to the correct crtc.
1415 * It also detects a switched off crtc and nulls out the
1416 * wait in that case.
1417 */
1418 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1419 {
1420 struct drm_crtc *crtc;
1421 struct radeon_crtc *radeon_crtc;
1422 struct radeon_cs_packet p3reloc, waitreloc;
1423 int crtc_id;
1424 int r;
1425 uint32_t header, h_idx, reg;
1426 volatile uint32_t *ib;
1427
1428 ib = p->ib.ptr;
1429
1430 /* parse the wait until */
1431 r = radeon_cs_packet_parse(p, &waitreloc, p->idx);
1432 if (r)
1433 return r;
1434
1435 /* check its a wait until and only 1 count */
1436 if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1437 waitreloc.count != 0) {
1438 DRM_ERROR("vline wait had illegal wait until segment\n");
1439 return -EINVAL;
1440 }
1441
1442 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1443 DRM_ERROR("vline wait had illegal wait until\n");
1444 return -EINVAL;
1445 }
1446
1447 /* jump over the NOP */
1448 r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1449 if (r)
1450 return r;
1451
1452 h_idx = p->idx - 2;
1453 p->idx += waitreloc.count + 2;
1454 p->idx += p3reloc.count + 2;
1455
1456 header = radeon_get_ib_value(p, h_idx);
1457 crtc_id = radeon_get_ib_value(p, h_idx + 5);
1458 reg = R100_CP_PACKET0_GET_REG(header);
1459 crtc = drm_crtc_find(p->rdev->ddev, crtc_id);
1460 if (!crtc) {
1461 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1462 return -ENOENT;
1463 }
1464 radeon_crtc = to_radeon_crtc(crtc);
1465 crtc_id = radeon_crtc->crtc_id;
1466
1467 if (!crtc->enabled) {
1468 /* if the CRTC isn't enabled - we need to nop out the wait until */
1469 ib[h_idx + 2] = PACKET2(0);
1470 ib[h_idx + 3] = PACKET2(0);
1471 } else if (crtc_id == 1) {
1472 switch (reg) {
1473 case AVIVO_D1MODE_VLINE_START_END:
1474 header &= ~R300_CP_PACKET0_REG_MASK;
1475 header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1476 break;
1477 case RADEON_CRTC_GUI_TRIG_VLINE:
1478 header &= ~R300_CP_PACKET0_REG_MASK;
1479 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1480 break;
1481 default:
1482 DRM_ERROR("unknown crtc reloc\n");
1483 return -EINVAL;
1484 }
1485 ib[h_idx] = header;
1486 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1487 }
1488
1489 return 0;
1490 }
1491
1492 static int r100_get_vtx_size(uint32_t vtx_fmt)
1493 {
1494 int vtx_size;
1495 vtx_size = 2;
1496 /* ordered according to bits in spec */
1497 if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1498 vtx_size++;
1499 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1500 vtx_size += 3;
1501 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1502 vtx_size++;
1503 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1504 vtx_size++;
1505 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1506 vtx_size += 3;
1507 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1508 vtx_size++;
1509 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1510 vtx_size++;
1511 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1512 vtx_size += 2;
1513 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1514 vtx_size += 2;
1515 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1516 vtx_size++;
1517 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1518 vtx_size += 2;
1519 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1520 vtx_size++;
1521 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1522 vtx_size += 2;
1523 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1524 vtx_size++;
1525 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1526 vtx_size++;
1527 /* blend weight */
1528 if (vtx_fmt & (0x7 << 15))
1529 vtx_size += (vtx_fmt >> 15) & 0x7;
1530 if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1531 vtx_size += 3;
1532 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1533 vtx_size += 2;
1534 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1535 vtx_size++;
1536 if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1537 vtx_size++;
1538 if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1539 vtx_size++;
1540 if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1541 vtx_size++;
1542 return vtx_size;
1543 }
1544
1545 static int r100_packet0_check(struct radeon_cs_parser *p,
1546 struct radeon_cs_packet *pkt,
1547 unsigned idx, unsigned reg)
1548 {
1549 struct radeon_bo_list *reloc;
1550 struct r100_cs_track *track;
1551 volatile uint32_t *ib;
1552 uint32_t tmp;
1553 int r;
1554 int i, face;
1555 u32 tile_flags = 0;
1556 u32 idx_value;
1557
1558 ib = p->ib.ptr;
1559 track = (struct r100_cs_track *)p->track;
1560
1561 idx_value = radeon_get_ib_value(p, idx);
1562
1563 switch (reg) {
1564 case RADEON_CRTC_GUI_TRIG_VLINE:
1565 r = r100_cs_packet_parse_vline(p);
1566 if (r) {
1567 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1568 idx, reg);
1569 radeon_cs_dump_packet(p, pkt);
1570 return r;
1571 }
1572 break;
1573 /* FIXME: only allow PACKET3 blit? easier to check for out of
1574 * range access */
1575 case RADEON_DST_PITCH_OFFSET:
1576 case RADEON_SRC_PITCH_OFFSET:
1577 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1578 if (r)
1579 return r;
1580 break;
1581 case RADEON_RB3D_DEPTHOFFSET:
1582 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1583 if (r) {
1584 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1585 idx, reg);
1586 radeon_cs_dump_packet(p, pkt);
1587 return r;
1588 }
1589 track->zb.robj = reloc->robj;
1590 track->zb.offset = idx_value;
1591 track->zb_dirty = true;
1592 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1593 break;
1594 case RADEON_RB3D_COLOROFFSET:
1595 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1596 if (r) {
1597 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1598 idx, reg);
1599 radeon_cs_dump_packet(p, pkt);
1600 return r;
1601 }
1602 track->cb[0].robj = reloc->robj;
1603 track->cb[0].offset = idx_value;
1604 track->cb_dirty = true;
1605 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1606 break;
1607 case RADEON_PP_TXOFFSET_0:
1608 case RADEON_PP_TXOFFSET_1:
1609 case RADEON_PP_TXOFFSET_2:
1610 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1611 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1612 if (r) {
1613 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1614 idx, reg);
1615 radeon_cs_dump_packet(p, pkt);
1616 return r;
1617 }
1618 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1619 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1620 tile_flags |= RADEON_TXO_MACRO_TILE;
1621 if (reloc->tiling_flags & RADEON_TILING_MICRO)
1622 tile_flags |= RADEON_TXO_MICRO_TILE_X2;
1623
1624 tmp = idx_value & ~(0x7 << 2);
1625 tmp |= tile_flags;
1626 ib[idx] = tmp + ((u32)reloc->gpu_offset);
1627 } else
1628 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1629 track->textures[i].robj = reloc->robj;
1630 track->tex_dirty = true;
1631 break;
1632 case RADEON_PP_CUBIC_OFFSET_T0_0:
1633 case RADEON_PP_CUBIC_OFFSET_T0_1:
1634 case RADEON_PP_CUBIC_OFFSET_T0_2:
1635 case RADEON_PP_CUBIC_OFFSET_T0_3:
1636 case RADEON_PP_CUBIC_OFFSET_T0_4:
1637 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1638 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1639 if (r) {
1640 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1641 idx, reg);
1642 radeon_cs_dump_packet(p, pkt);
1643 return r;
1644 }
1645 track->textures[0].cube_info[i].offset = idx_value;
1646 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1647 track->textures[0].cube_info[i].robj = reloc->robj;
1648 track->tex_dirty = true;
1649 break;
1650 case RADEON_PP_CUBIC_OFFSET_T1_0:
1651 case RADEON_PP_CUBIC_OFFSET_T1_1:
1652 case RADEON_PP_CUBIC_OFFSET_T1_2:
1653 case RADEON_PP_CUBIC_OFFSET_T1_3:
1654 case RADEON_PP_CUBIC_OFFSET_T1_4:
1655 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1656 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1657 if (r) {
1658 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1659 idx, reg);
1660 radeon_cs_dump_packet(p, pkt);
1661 return r;
1662 }
1663 track->textures[1].cube_info[i].offset = idx_value;
1664 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1665 track->textures[1].cube_info[i].robj = reloc->robj;
1666 track->tex_dirty = true;
1667 break;
1668 case RADEON_PP_CUBIC_OFFSET_T2_0:
1669 case RADEON_PP_CUBIC_OFFSET_T2_1:
1670 case RADEON_PP_CUBIC_OFFSET_T2_2:
1671 case RADEON_PP_CUBIC_OFFSET_T2_3:
1672 case RADEON_PP_CUBIC_OFFSET_T2_4:
1673 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1674 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1675 if (r) {
1676 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1677 idx, reg);
1678 radeon_cs_dump_packet(p, pkt);
1679 return r;
1680 }
1681 track->textures[2].cube_info[i].offset = idx_value;
1682 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1683 track->textures[2].cube_info[i].robj = reloc->robj;
1684 track->tex_dirty = true;
1685 break;
1686 case RADEON_RE_WIDTH_HEIGHT:
1687 track->maxy = ((idx_value >> 16) & 0x7FF);
1688 track->cb_dirty = true;
1689 track->zb_dirty = true;
1690 break;
1691 case RADEON_RB3D_COLORPITCH:
1692 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1693 if (r) {
1694 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1695 idx, reg);
1696 radeon_cs_dump_packet(p, pkt);
1697 return r;
1698 }
1699 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1700 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1701 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1702 if (reloc->tiling_flags & RADEON_TILING_MICRO)
1703 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1704
1705 tmp = idx_value & ~(0x7 << 16);
1706 tmp |= tile_flags;
1707 ib[idx] = tmp;
1708 } else
1709 ib[idx] = idx_value;
1710
1711 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1712 track->cb_dirty = true;
1713 break;
1714 case RADEON_RB3D_DEPTHPITCH:
1715 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1716 track->zb_dirty = true;
1717 break;
1718 case RADEON_RB3D_CNTL:
1719 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1720 case 7:
1721 case 8:
1722 case 9:
1723 case 11:
1724 case 12:
1725 track->cb[0].cpp = 1;
1726 break;
1727 case 3:
1728 case 4:
1729 case 15:
1730 track->cb[0].cpp = 2;
1731 break;
1732 case 6:
1733 track->cb[0].cpp = 4;
1734 break;
1735 default:
1736 DRM_ERROR("Invalid color buffer format (%d) !\n",
1737 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1738 return -EINVAL;
1739 }
1740 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1741 track->cb_dirty = true;
1742 track->zb_dirty = true;
1743 break;
1744 case RADEON_RB3D_ZSTENCILCNTL:
1745 switch (idx_value & 0xf) {
1746 case 0:
1747 track->zb.cpp = 2;
1748 break;
1749 case 2:
1750 case 3:
1751 case 4:
1752 case 5:
1753 case 9:
1754 case 11:
1755 track->zb.cpp = 4;
1756 break;
1757 default:
1758 break;
1759 }
1760 track->zb_dirty = true;
1761 break;
1762 case RADEON_RB3D_ZPASS_ADDR:
1763 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1764 if (r) {
1765 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1766 idx, reg);
1767 radeon_cs_dump_packet(p, pkt);
1768 return r;
1769 }
1770 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1771 break;
1772 case RADEON_PP_CNTL:
1773 {
1774 uint32_t temp = idx_value >> 4;
1775 for (i = 0; i < track->num_texture; i++)
1776 track->textures[i].enabled = !!(temp & (1 << i));
1777 track->tex_dirty = true;
1778 }
1779 break;
1780 case RADEON_SE_VF_CNTL:
1781 track->vap_vf_cntl = idx_value;
1782 break;
1783 case RADEON_SE_VTX_FMT:
1784 track->vtx_size = r100_get_vtx_size(idx_value);
1785 break;
1786 case RADEON_PP_TEX_SIZE_0:
1787 case RADEON_PP_TEX_SIZE_1:
1788 case RADEON_PP_TEX_SIZE_2:
1789 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1790 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1791 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1792 track->tex_dirty = true;
1793 break;
1794 case RADEON_PP_TEX_PITCH_0:
1795 case RADEON_PP_TEX_PITCH_1:
1796 case RADEON_PP_TEX_PITCH_2:
1797 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1798 track->textures[i].pitch = idx_value + 32;
1799 track->tex_dirty = true;
1800 break;
1801 case RADEON_PP_TXFILTER_0:
1802 case RADEON_PP_TXFILTER_1:
1803 case RADEON_PP_TXFILTER_2:
1804 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1805 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1806 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1807 tmp = (idx_value >> 23) & 0x7;
1808 if (tmp == 2 || tmp == 6)
1809 track->textures[i].roundup_w = false;
1810 tmp = (idx_value >> 27) & 0x7;
1811 if (tmp == 2 || tmp == 6)
1812 track->textures[i].roundup_h = false;
1813 track->tex_dirty = true;
1814 break;
1815 case RADEON_PP_TXFORMAT_0:
1816 case RADEON_PP_TXFORMAT_1:
1817 case RADEON_PP_TXFORMAT_2:
1818 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1819 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1820 track->textures[i].use_pitch = 1;
1821 } else {
1822 track->textures[i].use_pitch = 0;
1823 track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1824 track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1825 }
1826 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1827 track->textures[i].tex_coord_type = 2;
1828 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1829 case RADEON_TXFORMAT_I8:
1830 case RADEON_TXFORMAT_RGB332:
1831 case RADEON_TXFORMAT_Y8:
1832 track->textures[i].cpp = 1;
1833 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1834 break;
1835 case RADEON_TXFORMAT_AI88:
1836 case RADEON_TXFORMAT_ARGB1555:
1837 case RADEON_TXFORMAT_RGB565:
1838 case RADEON_TXFORMAT_ARGB4444:
1839 case RADEON_TXFORMAT_VYUY422:
1840 case RADEON_TXFORMAT_YVYU422:
1841 case RADEON_TXFORMAT_SHADOW16:
1842 case RADEON_TXFORMAT_LDUDV655:
1843 case RADEON_TXFORMAT_DUDV88:
1844 track->textures[i].cpp = 2;
1845 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1846 break;
1847 case RADEON_TXFORMAT_ARGB8888:
1848 case RADEON_TXFORMAT_RGBA8888:
1849 case RADEON_TXFORMAT_SHADOW32:
1850 case RADEON_TXFORMAT_LDUDUV8888:
1851 track->textures[i].cpp = 4;
1852 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1853 break;
1854 case RADEON_TXFORMAT_DXT1:
1855 track->textures[i].cpp = 1;
1856 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1857 break;
1858 case RADEON_TXFORMAT_DXT23:
1859 case RADEON_TXFORMAT_DXT45:
1860 track->textures[i].cpp = 1;
1861 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1862 break;
1863 }
1864 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1865 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1866 track->tex_dirty = true;
1867 break;
1868 case RADEON_PP_CUBIC_FACES_0:
1869 case RADEON_PP_CUBIC_FACES_1:
1870 case RADEON_PP_CUBIC_FACES_2:
1871 tmp = idx_value;
1872 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1873 for (face = 0; face < 4; face++) {
1874 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1875 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1876 }
1877 track->tex_dirty = true;
1878 break;
1879 default:
1880 pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
1881 return -EINVAL;
1882 }
1883 return 0;
1884 }
1885
1886 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1887 struct radeon_cs_packet *pkt,
1888 struct radeon_bo *robj)
1889 {
1890 unsigned idx;
1891 u32 value;
1892 idx = pkt->idx + 1;
1893 value = radeon_get_ib_value(p, idx + 2);
1894 if ((value + 1) > radeon_bo_size(robj)) {
1895 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1896 "(need %u have %lu) !\n",
1897 value + 1,
1898 radeon_bo_size(robj));
1899 return -EINVAL;
1900 }
1901 return 0;
1902 }
1903
1904 static int r100_packet3_check(struct radeon_cs_parser *p,
1905 struct radeon_cs_packet *pkt)
1906 {
1907 struct radeon_bo_list *reloc;
1908 struct r100_cs_track *track;
1909 unsigned idx;
1910 volatile uint32_t *ib;
1911 int r;
1912
1913 ib = p->ib.ptr;
1914 idx = pkt->idx + 1;
1915 track = (struct r100_cs_track *)p->track;
1916 switch (pkt->opcode) {
1917 case PACKET3_3D_LOAD_VBPNTR:
1918 r = r100_packet3_load_vbpntr(p, pkt, idx);
1919 if (r)
1920 return r;
1921 break;
1922 case PACKET3_INDX_BUFFER:
1923 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1924 if (r) {
1925 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1926 radeon_cs_dump_packet(p, pkt);
1927 return r;
1928 }
1929 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset);
1930 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1931 if (r) {
1932 return r;
1933 }
1934 break;
1935 case 0x23:
1936 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1937 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1938 if (r) {
1939 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1940 radeon_cs_dump_packet(p, pkt);
1941 return r;
1942 }
1943 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset);
1944 track->num_arrays = 1;
1945 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1946
1947 track->arrays[0].robj = reloc->robj;
1948 track->arrays[0].esize = track->vtx_size;
1949
1950 track->max_indx = radeon_get_ib_value(p, idx+1);
1951
1952 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1953 track->immd_dwords = pkt->count - 1;
1954 r = r100_cs_track_check(p->rdev, track);
1955 if (r)
1956 return r;
1957 break;
1958 case PACKET3_3D_DRAW_IMMD:
1959 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1960 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1961 return -EINVAL;
1962 }
1963 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1964 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1965 track->immd_dwords = pkt->count - 1;
1966 r = r100_cs_track_check(p->rdev, track);
1967 if (r)
1968 return r;
1969 break;
1970 /* triggers drawing using in-packet vertex data */
1971 case PACKET3_3D_DRAW_IMMD_2:
1972 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1973 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1974 return -EINVAL;
1975 }
1976 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1977 track->immd_dwords = pkt->count;
1978 r = r100_cs_track_check(p->rdev, track);
1979 if (r)
1980 return r;
1981 break;
1982 /* triggers drawing using in-packet vertex data */
1983 case PACKET3_3D_DRAW_VBUF_2:
1984 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1985 r = r100_cs_track_check(p->rdev, track);
1986 if (r)
1987 return r;
1988 break;
1989 /* triggers drawing of vertex buffers setup elsewhere */
1990 case PACKET3_3D_DRAW_INDX_2:
1991 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1992 r = r100_cs_track_check(p->rdev, track);
1993 if (r)
1994 return r;
1995 break;
1996 /* triggers drawing using indices to vertex buffer */
1997 case PACKET3_3D_DRAW_VBUF:
1998 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1999 r = r100_cs_track_check(p->rdev, track);
2000 if (r)
2001 return r;
2002 break;
2003 /* triggers drawing of vertex buffers setup elsewhere */
2004 case PACKET3_3D_DRAW_INDX:
2005 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2006 r = r100_cs_track_check(p->rdev, track);
2007 if (r)
2008 return r;
2009 break;
2010 /* triggers drawing using indices to vertex buffer */
2011 case PACKET3_3D_CLEAR_HIZ:
2012 case PACKET3_3D_CLEAR_ZMASK:
2013 if (p->rdev->hyperz_filp != p->filp)
2014 return -EINVAL;
2015 break;
2016 case PACKET3_NOP:
2017 break;
2018 default:
2019 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2020 return -EINVAL;
2021 }
2022 return 0;
2023 }
2024
2025 int r100_cs_parse(struct radeon_cs_parser *p)
2026 {
2027 struct radeon_cs_packet pkt;
2028 struct r100_cs_track *track;
2029 int r;
2030
2031 track = kzalloc(sizeof(*track), GFP_KERNEL);
2032 if (!track)
2033 return -ENOMEM;
2034 r100_cs_track_clear(p->rdev, track);
2035 p->track = track;
2036 do {
2037 r = radeon_cs_packet_parse(p, &pkt, p->idx);
2038 if (r) {
2039 return r;
2040 }
2041 p->idx += pkt.count + 2;
2042 switch (pkt.type) {
2043 case RADEON_PACKET_TYPE0:
2044 if (p->rdev->family >= CHIP_R200)
2045 r = r100_cs_parse_packet0(p, &pkt,
2046 p->rdev->config.r100.reg_safe_bm,
2047 p->rdev->config.r100.reg_safe_bm_size,
2048 &r200_packet0_check);
2049 else
2050 r = r100_cs_parse_packet0(p, &pkt,
2051 p->rdev->config.r100.reg_safe_bm,
2052 p->rdev->config.r100.reg_safe_bm_size,
2053 &r100_packet0_check);
2054 break;
2055 case RADEON_PACKET_TYPE2:
2056 break;
2057 case RADEON_PACKET_TYPE3:
2058 r = r100_packet3_check(p, &pkt);
2059 break;
2060 default:
2061 DRM_ERROR("Unknown packet type %d !\n",
2062 pkt.type);
2063 return -EINVAL;
2064 }
2065 if (r)
2066 return r;
2067 } while (p->idx < p->chunk_ib->length_dw);
2068 return 0;
2069 }
2070
2071 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2072 {
2073 DRM_ERROR("pitch %d\n", t->pitch);
2074 DRM_ERROR("use_pitch %d\n", t->use_pitch);
2075 DRM_ERROR("width %d\n", t->width);
2076 DRM_ERROR("width_11 %d\n", t->width_11);
2077 DRM_ERROR("height %d\n", t->height);
2078 DRM_ERROR("height_11 %d\n", t->height_11);
2079 DRM_ERROR("num levels %d\n", t->num_levels);
2080 DRM_ERROR("depth %d\n", t->txdepth);
2081 DRM_ERROR("bpp %d\n", t->cpp);
2082 DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
2083 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
2084 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2085 DRM_ERROR("compress format %d\n", t->compress_format);
2086 }
2087
2088 static int r100_track_compress_size(int compress_format, int w, int h)
2089 {
2090 int block_width, block_height, block_bytes;
2091 int wblocks, hblocks;
2092 int min_wblocks;
2093 int sz;
2094
2095 block_width = 4;
2096 block_height = 4;
2097
2098 switch (compress_format) {
2099 case R100_TRACK_COMP_DXT1:
2100 block_bytes = 8;
2101 min_wblocks = 4;
2102 break;
2103 default:
2104 case R100_TRACK_COMP_DXT35:
2105 block_bytes = 16;
2106 min_wblocks = 2;
2107 break;
2108 }
2109
2110 hblocks = (h + block_height - 1) / block_height;
2111 wblocks = (w + block_width - 1) / block_width;
2112 if (wblocks < min_wblocks)
2113 wblocks = min_wblocks;
2114 sz = wblocks * hblocks * block_bytes;
2115 return sz;
2116 }
2117
2118 static int r100_cs_track_cube(struct radeon_device *rdev,
2119 struct r100_cs_track *track, unsigned idx)
2120 {
2121 unsigned face, w, h;
2122 struct radeon_bo *cube_robj;
2123 unsigned long size;
2124 unsigned compress_format = track->textures[idx].compress_format;
2125
2126 for (face = 0; face < 5; face++) {
2127 cube_robj = track->textures[idx].cube_info[face].robj;
2128 w = track->textures[idx].cube_info[face].width;
2129 h = track->textures[idx].cube_info[face].height;
2130
2131 if (compress_format) {
2132 size = r100_track_compress_size(compress_format, w, h);
2133 } else
2134 size = w * h;
2135 size *= track->textures[idx].cpp;
2136
2137 size += track->textures[idx].cube_info[face].offset;
2138
2139 if (size > radeon_bo_size(cube_robj)) {
2140 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2141 size, radeon_bo_size(cube_robj));
2142 r100_cs_track_texture_print(&track->textures[idx]);
2143 return -1;
2144 }
2145 }
2146 return 0;
2147 }
2148
2149 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2150 struct r100_cs_track *track)
2151 {
2152 struct radeon_bo *robj;
2153 unsigned long size;
2154 unsigned u, i, w, h, d;
2155 int ret;
2156
2157 for (u = 0; u < track->num_texture; u++) {
2158 if (!track->textures[u].enabled)
2159 continue;
2160 if (track->textures[u].lookup_disable)
2161 continue;
2162 robj = track->textures[u].robj;
2163 if (robj == NULL) {
2164 DRM_ERROR("No texture bound to unit %u\n", u);
2165 return -EINVAL;
2166 }
2167 size = 0;
2168 for (i = 0; i <= track->textures[u].num_levels; i++) {
2169 if (track->textures[u].use_pitch) {
2170 if (rdev->family < CHIP_R300)
2171 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2172 else
2173 w = track->textures[u].pitch / (1 << i);
2174 } else {
2175 w = track->textures[u].width;
2176 if (rdev->family >= CHIP_RV515)
2177 w |= track->textures[u].width_11;
2178 w = w / (1 << i);
2179 if (track->textures[u].roundup_w)
2180 w = roundup_pow_of_two(w);
2181 }
2182 h = track->textures[u].height;
2183 if (rdev->family >= CHIP_RV515)
2184 h |= track->textures[u].height_11;
2185 h = h / (1 << i);
2186 if (track->textures[u].roundup_h)
2187 h = roundup_pow_of_two(h);
2188 if (track->textures[u].tex_coord_type == 1) {
2189 d = (1 << track->textures[u].txdepth) / (1 << i);
2190 if (!d)
2191 d = 1;
2192 } else {
2193 d = 1;
2194 }
2195 if (track->textures[u].compress_format) {
2196
2197 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2198 /* compressed textures are block based */
2199 } else
2200 size += w * h * d;
2201 }
2202 size *= track->textures[u].cpp;
2203
2204 switch (track->textures[u].tex_coord_type) {
2205 case 0:
2206 case 1:
2207 break;
2208 case 2:
2209 if (track->separate_cube) {
2210 ret = r100_cs_track_cube(rdev, track, u);
2211 if (ret)
2212 return ret;
2213 } else
2214 size *= 6;
2215 break;
2216 default:
2217 DRM_ERROR("Invalid texture coordinate type %u for unit "
2218 "%u\n", track->textures[u].tex_coord_type, u);
2219 return -EINVAL;
2220 }
2221 if (size > radeon_bo_size(robj)) {
2222 DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2223 "%lu\n", u, size, radeon_bo_size(robj));
2224 r100_cs_track_texture_print(&track->textures[u]);
2225 return -EINVAL;
2226 }
2227 }
2228 return 0;
2229 }
2230
2231 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2232 {
2233 unsigned i;
2234 unsigned long size;
2235 unsigned prim_walk;
2236 unsigned nverts;
2237 unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
2238
2239 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
2240 !track->blend_read_enable)
2241 num_cb = 0;
2242
2243 for (i = 0; i < num_cb; i++) {
2244 if (track->cb[i].robj == NULL) {
2245 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2246 return -EINVAL;
2247 }
2248 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2249 size += track->cb[i].offset;
2250 if (size > radeon_bo_size(track->cb[i].robj)) {
2251 DRM_ERROR("[drm] Buffer too small for color buffer %d "
2252 "(need %lu have %lu) !\n", i, size,
2253 radeon_bo_size(track->cb[i].robj));
2254 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2255 i, track->cb[i].pitch, track->cb[i].cpp,
2256 track->cb[i].offset, track->maxy);
2257 return -EINVAL;
2258 }
2259 }
2260 track->cb_dirty = false;
2261
2262 if (track->zb_dirty && track->z_enabled) {
2263 if (track->zb.robj == NULL) {
2264 DRM_ERROR("[drm] No buffer for z buffer !\n");
2265 return -EINVAL;
2266 }
2267 size = track->zb.pitch * track->zb.cpp * track->maxy;
2268 size += track->zb.offset;
2269 if (size > radeon_bo_size(track->zb.robj)) {
2270 DRM_ERROR("[drm] Buffer too small for z buffer "
2271 "(need %lu have %lu) !\n", size,
2272 radeon_bo_size(track->zb.robj));
2273 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2274 track->zb.pitch, track->zb.cpp,
2275 track->zb.offset, track->maxy);
2276 return -EINVAL;
2277 }
2278 }
2279 track->zb_dirty = false;
2280
2281 if (track->aa_dirty && track->aaresolve) {
2282 if (track->aa.robj == NULL) {
2283 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
2284 return -EINVAL;
2285 }
2286 /* I believe the format comes from colorbuffer0. */
2287 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
2288 size += track->aa.offset;
2289 if (size > radeon_bo_size(track->aa.robj)) {
2290 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
2291 "(need %lu have %lu) !\n", i, size,
2292 radeon_bo_size(track->aa.robj));
2293 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
2294 i, track->aa.pitch, track->cb[0].cpp,
2295 track->aa.offset, track->maxy);
2296 return -EINVAL;
2297 }
2298 }
2299 track->aa_dirty = false;
2300
2301 prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2302 if (track->vap_vf_cntl & (1 << 14)) {
2303 nverts = track->vap_alt_nverts;
2304 } else {
2305 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2306 }
2307 switch (prim_walk) {
2308 case 1:
2309 for (i = 0; i < track->num_arrays; i++) {
2310 size = track->arrays[i].esize * track->max_indx * 4;
2311 if (track->arrays[i].robj == NULL) {
2312 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2313 "bound\n", prim_walk, i);
2314 return -EINVAL;
2315 }
2316 if (size > radeon_bo_size(track->arrays[i].robj)) {
2317 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2318 "need %lu dwords have %lu dwords\n",
2319 prim_walk, i, size >> 2,
2320 radeon_bo_size(track->arrays[i].robj)
2321 >> 2);
2322 DRM_ERROR("Max indices %u\n", track->max_indx);
2323 return -EINVAL;
2324 }
2325 }
2326 break;
2327 case 2:
2328 for (i = 0; i < track->num_arrays; i++) {
2329 size = track->arrays[i].esize * (nverts - 1) * 4;
2330 if (track->arrays[i].robj == NULL) {
2331 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2332 "bound\n", prim_walk, i);
2333 return -EINVAL;
2334 }
2335 if (size > radeon_bo_size(track->arrays[i].robj)) {
2336 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2337 "need %lu dwords have %lu dwords\n",
2338 prim_walk, i, size >> 2,
2339 radeon_bo_size(track->arrays[i].robj)
2340 >> 2);
2341 return -EINVAL;
2342 }
2343 }
2344 break;
2345 case 3:
2346 size = track->vtx_size * nverts;
2347 if (size != track->immd_dwords) {
2348 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2349 track->immd_dwords, size);
2350 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2351 nverts, track->vtx_size);
2352 return -EINVAL;
2353 }
2354 break;
2355 default:
2356 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2357 prim_walk);
2358 return -EINVAL;
2359 }
2360
2361 if (track->tex_dirty) {
2362 track->tex_dirty = false;
2363 return r100_cs_track_texture_check(rdev, track);
2364 }
2365 return 0;
2366 }
2367
2368 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2369 {
2370 unsigned i, face;
2371
2372 track->cb_dirty = true;
2373 track->zb_dirty = true;
2374 track->tex_dirty = true;
2375 track->aa_dirty = true;
2376
2377 if (rdev->family < CHIP_R300) {
2378 track->num_cb = 1;
2379 if (rdev->family <= CHIP_RS200)
2380 track->num_texture = 3;
2381 else
2382 track->num_texture = 6;
2383 track->maxy = 2048;
2384 track->separate_cube = 1;
2385 } else {
2386 track->num_cb = 4;
2387 track->num_texture = 16;
2388 track->maxy = 4096;
2389 track->separate_cube = 0;
2390 track->aaresolve = false;
2391 track->aa.robj = NULL;
2392 }
2393
2394 for (i = 0; i < track->num_cb; i++) {
2395 track->cb[i].robj = NULL;
2396 track->cb[i].pitch = 8192;
2397 track->cb[i].cpp = 16;
2398 track->cb[i].offset = 0;
2399 }
2400 track->z_enabled = true;
2401 track->zb.robj = NULL;
2402 track->zb.pitch = 8192;
2403 track->zb.cpp = 4;
2404 track->zb.offset = 0;
2405 track->vtx_size = 0x7F;
2406 track->immd_dwords = 0xFFFFFFFFUL;
2407 track->num_arrays = 11;
2408 track->max_indx = 0x00FFFFFFUL;
2409 for (i = 0; i < track->num_arrays; i++) {
2410 track->arrays[i].robj = NULL;
2411 track->arrays[i].esize = 0x7F;
2412 }
2413 for (i = 0; i < track->num_texture; i++) {
2414 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
2415 track->textures[i].pitch = 16536;
2416 track->textures[i].width = 16536;
2417 track->textures[i].height = 16536;
2418 track->textures[i].width_11 = 1 << 11;
2419 track->textures[i].height_11 = 1 << 11;
2420 track->textures[i].num_levels = 12;
2421 if (rdev->family <= CHIP_RS200) {
2422 track->textures[i].tex_coord_type = 0;
2423 track->textures[i].txdepth = 0;
2424 } else {
2425 track->textures[i].txdepth = 16;
2426 track->textures[i].tex_coord_type = 1;
2427 }
2428 track->textures[i].cpp = 64;
2429 track->textures[i].robj = NULL;
2430 /* CS IB emission code makes sure texture unit are disabled */
2431 track->textures[i].enabled = false;
2432 track->textures[i].lookup_disable = false;
2433 track->textures[i].roundup_w = true;
2434 track->textures[i].roundup_h = true;
2435 if (track->separate_cube)
2436 for (face = 0; face < 5; face++) {
2437 track->textures[i].cube_info[face].robj = NULL;
2438 track->textures[i].cube_info[face].width = 16536;
2439 track->textures[i].cube_info[face].height = 16536;
2440 track->textures[i].cube_info[face].offset = 0;
2441 }
2442 }
2443 }
2444
2445 /*
2446 * Global GPU functions
2447 */
2448 static void r100_errata(struct radeon_device *rdev)
2449 {
2450 rdev->pll_errata = 0;
2451
2452 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2453 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2454 }
2455
2456 if (rdev->family == CHIP_RV100 ||
2457 rdev->family == CHIP_RS100 ||
2458 rdev->family == CHIP_RS200) {
2459 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2460 }
2461 }
2462
2463 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2464 {
2465 unsigned i;
2466 uint32_t tmp;
2467
2468 for (i = 0; i < rdev->usec_timeout; i++) {
2469 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2470 if (tmp >= n) {
2471 return 0;
2472 }
2473 DRM_UDELAY(1);
2474 }
2475 return -1;
2476 }
2477
2478 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2479 {
2480 unsigned i;
2481 uint32_t tmp;
2482
2483 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2484 pr_warn("radeon: wait for empty RBBM fifo failed! Bad things might happen.\n");
2485 }
2486 for (i = 0; i < rdev->usec_timeout; i++) {
2487 tmp = RREG32(RADEON_RBBM_STATUS);
2488 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2489 return 0;
2490 }
2491 DRM_UDELAY(1);
2492 }
2493 return -1;
2494 }
2495
2496 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2497 {
2498 unsigned i;
2499 uint32_t tmp;
2500
2501 for (i = 0; i < rdev->usec_timeout; i++) {
2502 /* read MC_STATUS */
2503 tmp = RREG32(RADEON_MC_STATUS);
2504 if (tmp & RADEON_MC_IDLE) {
2505 return 0;
2506 }
2507 DRM_UDELAY(1);
2508 }
2509 return -1;
2510 }
2511
2512 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2513 {
2514 u32 rbbm_status;
2515
2516 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2517 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2518 radeon_ring_lockup_update(rdev, ring);
2519 return false;
2520 }
2521 return radeon_ring_test_lockup(rdev, ring);
2522 }
2523
2524 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
2525 void r100_enable_bm(struct radeon_device *rdev)
2526 {
2527 uint32_t tmp;
2528 /* Enable bus mastering */
2529 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
2530 WREG32(RADEON_BUS_CNTL, tmp);
2531 }
2532
2533 void r100_bm_disable(struct radeon_device *rdev)
2534 {
2535 u32 tmp;
2536
2537 /* disable bus mastering */
2538 tmp = RREG32(R_000030_BUS_CNTL);
2539 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2540 mdelay(1);
2541 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2542 mdelay(1);
2543 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2544 tmp = RREG32(RADEON_BUS_CNTL);
2545 mdelay(1);
2546 pci_clear_master(rdev->pdev);
2547 mdelay(1);
2548 }
2549
2550 int r100_asic_reset(struct radeon_device *rdev, bool hard)
2551 {
2552 struct r100_mc_save save;
2553 u32 status, tmp;
2554 int ret = 0;
2555
2556 status = RREG32(R_000E40_RBBM_STATUS);
2557 if (!G_000E40_GUI_ACTIVE(status)) {
2558 return 0;
2559 }
2560 r100_mc_stop(rdev, &save);
2561 status = RREG32(R_000E40_RBBM_STATUS);
2562 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2563 /* stop CP */
2564 WREG32(RADEON_CP_CSQ_CNTL, 0);
2565 tmp = RREG32(RADEON_CP_RB_CNTL);
2566 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2567 WREG32(RADEON_CP_RB_RPTR_WR, 0);
2568 WREG32(RADEON_CP_RB_WPTR, 0);
2569 WREG32(RADEON_CP_RB_CNTL, tmp);
2570 /* save PCI state */
2571 pci_save_state(rdev->pdev);
2572 /* disable bus mastering */
2573 r100_bm_disable(rdev);
2574 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2575 S_0000F0_SOFT_RESET_RE(1) |
2576 S_0000F0_SOFT_RESET_PP(1) |
2577 S_0000F0_SOFT_RESET_RB(1));
2578 RREG32(R_0000F0_RBBM_SOFT_RESET);
2579 mdelay(500);
2580 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2581 mdelay(1);
2582 status = RREG32(R_000E40_RBBM_STATUS);
2583 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2584 /* reset CP */
2585 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2586 RREG32(R_0000F0_RBBM_SOFT_RESET);
2587 mdelay(500);
2588 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2589 mdelay(1);
2590 status = RREG32(R_000E40_RBBM_STATUS);
2591 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2592 /* restore PCI & busmastering */
2593 pci_restore_state(rdev->pdev);
2594 r100_enable_bm(rdev);
2595 /* Check if GPU is idle */
2596 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2597 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2598 dev_err(rdev->dev, "failed to reset GPU\n");
2599 ret = -1;
2600 } else
2601 dev_info(rdev->dev, "GPU reset succeed\n");
2602 r100_mc_resume(rdev, &save);
2603 return ret;
2604 }
2605
2606 void r100_set_common_regs(struct radeon_device *rdev)
2607 {
2608 struct drm_device *dev = rdev->ddev;
2609 bool force_dac2 = false;
2610 u32 tmp;
2611
2612 /* set these so they don't interfere with anything */
2613 WREG32(RADEON_OV0_SCALE_CNTL, 0);
2614 WREG32(RADEON_SUBPIC_CNTL, 0);
2615 WREG32(RADEON_VIPH_CONTROL, 0);
2616 WREG32(RADEON_I2C_CNTL_1, 0);
2617 WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2618 WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2619 WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2620
2621 /* always set up dac2 on rn50 and some rv100 as lots
2622 * of servers seem to wire it up to a VGA port but
2623 * don't report it in the bios connector
2624 * table.
2625 */
2626 switch (dev->pdev->device) {
2627 /* RN50 */
2628 case 0x515e:
2629 case 0x5969:
2630 force_dac2 = true;
2631 break;
2632 /* RV100*/
2633 case 0x5159:
2634 case 0x515a:
2635 /* DELL triple head servers */
2636 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2637 ((dev->pdev->subsystem_device == 0x016c) ||
2638 (dev->pdev->subsystem_device == 0x016d) ||
2639 (dev->pdev->subsystem_device == 0x016e) ||
2640 (dev->pdev->subsystem_device == 0x016f) ||
2641 (dev->pdev->subsystem_device == 0x0170) ||
2642 (dev->pdev->subsystem_device == 0x017d) ||
2643 (dev->pdev->subsystem_device == 0x017e) ||
2644 (dev->pdev->subsystem_device == 0x0183) ||
2645 (dev->pdev->subsystem_device == 0x018a) ||
2646 (dev->pdev->subsystem_device == 0x019a)))
2647 force_dac2 = true;
2648 break;
2649 }
2650
2651 if (force_dac2) {
2652 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2653 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2654 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2655
2656 /* For CRT on DAC2, don't turn it on if BIOS didn't
2657 enable it, even it's detected.
2658 */
2659
2660 /* force it to crtc0 */
2661 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2662 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2663 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2664
2665 /* set up the TV DAC */
2666 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2667 RADEON_TV_DAC_STD_MASK |
2668 RADEON_TV_DAC_RDACPD |
2669 RADEON_TV_DAC_GDACPD |
2670 RADEON_TV_DAC_BDACPD |
2671 RADEON_TV_DAC_BGADJ_MASK |
2672 RADEON_TV_DAC_DACADJ_MASK);
2673 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2674 RADEON_TV_DAC_NHOLD |
2675 RADEON_TV_DAC_STD_PS2 |
2676 (0x58 << 16));
2677
2678 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2679 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2680 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2681 }
2682
2683 /* switch PM block to ACPI mode */
2684 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2685 tmp &= ~RADEON_PM_MODE_SEL;
2686 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2687
2688 }
2689
2690 /*
2691 * VRAM info
2692 */
2693 static void r100_vram_get_type(struct radeon_device *rdev)
2694 {
2695 uint32_t tmp;
2696
2697 rdev->mc.vram_is_ddr = false;
2698 if (rdev->flags & RADEON_IS_IGP)
2699 rdev->mc.vram_is_ddr = true;
2700 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2701 rdev->mc.vram_is_ddr = true;
2702 if ((rdev->family == CHIP_RV100) ||
2703 (rdev->family == CHIP_RS100) ||
2704 (rdev->family == CHIP_RS200)) {
2705 tmp = RREG32(RADEON_MEM_CNTL);
2706 if (tmp & RV100_HALF_MODE) {
2707 rdev->mc.vram_width = 32;
2708 } else {
2709 rdev->mc.vram_width = 64;
2710 }
2711 if (rdev->flags & RADEON_SINGLE_CRTC) {
2712 rdev->mc.vram_width /= 4;
2713 rdev->mc.vram_is_ddr = true;
2714 }
2715 } else if (rdev->family <= CHIP_RV280) {
2716 tmp = RREG32(RADEON_MEM_CNTL);
2717 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2718 rdev->mc.vram_width = 128;
2719 } else {
2720 rdev->mc.vram_width = 64;
2721 }
2722 } else {
2723 /* newer IGPs */
2724 rdev->mc.vram_width = 128;
2725 }
2726 }
2727
2728 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2729 {
2730 u32 aper_size;
2731 u8 byte;
2732
2733 aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2734
2735 /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2736 * that is has the 2nd generation multifunction PCI interface
2737 */
2738 if (rdev->family == CHIP_RV280 ||
2739 rdev->family >= CHIP_RV350) {
2740 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2741 ~RADEON_HDP_APER_CNTL);
2742 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2743 return aper_size * 2;
2744 }
2745
2746 /* Older cards have all sorts of funny issues to deal with. First
2747 * check if it's a multifunction card by reading the PCI config
2748 * header type... Limit those to one aperture size
2749 */
2750 pci_read_config_byte(rdev->pdev, 0xe, &byte);
2751 if (byte & 0x80) {
2752 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2753 DRM_INFO("Limiting VRAM to one aperture\n");
2754 return aper_size;
2755 }
2756
2757 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2758 * have set it up. We don't write this as it's broken on some ASICs but
2759 * we expect the BIOS to have done the right thing (might be too optimistic...)
2760 */
2761 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2762 return aper_size * 2;
2763 return aper_size;
2764 }
2765
2766 void r100_vram_init_sizes(struct radeon_device *rdev)
2767 {
2768 u64 config_aper_size;
2769
2770 /* work out accessible VRAM */
2771 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2772 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2773 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2774 /* FIXME we don't use the second aperture yet when we could use it */
2775 if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2776 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2777 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2778 if (rdev->flags & RADEON_IS_IGP) {
2779 uint32_t tom;
2780 /* read NB_TOM to get the amount of ram stolen for the GPU */
2781 tom = RREG32(RADEON_NB_TOM);
2782 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2783 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2784 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2785 } else {
2786 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2787 /* Some production boards of m6 will report 0
2788 * if it's 8 MB
2789 */
2790 if (rdev->mc.real_vram_size == 0) {
2791 rdev->mc.real_vram_size = 8192 * 1024;
2792 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2793 }
2794 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2795 * Novell bug 204882 + along with lots of ubuntu ones
2796 */
2797 if (rdev->mc.aper_size > config_aper_size)
2798 config_aper_size = rdev->mc.aper_size;
2799
2800 if (config_aper_size > rdev->mc.real_vram_size)
2801 rdev->mc.mc_vram_size = config_aper_size;
2802 else
2803 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2804 }
2805 }
2806
2807 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2808 {
2809 uint32_t temp;
2810
2811 temp = RREG32(RADEON_CONFIG_CNTL);
2812 if (state == false) {
2813 temp &= ~RADEON_CFG_VGA_RAM_EN;
2814 temp |= RADEON_CFG_VGA_IO_DIS;
2815 } else {
2816 temp &= ~RADEON_CFG_VGA_IO_DIS;
2817 }
2818 WREG32(RADEON_CONFIG_CNTL, temp);
2819 }
2820
2821 static void r100_mc_init(struct radeon_device *rdev)
2822 {
2823 u64 base;
2824
2825 r100_vram_get_type(rdev);
2826 r100_vram_init_sizes(rdev);
2827 base = rdev->mc.aper_base;
2828 if (rdev->flags & RADEON_IS_IGP)
2829 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2830 radeon_vram_location(rdev, &rdev->mc, base);
2831 rdev->mc.gtt_base_align = 0;
2832 if (!(rdev->flags & RADEON_IS_AGP))
2833 radeon_gtt_location(rdev, &rdev->mc);
2834 radeon_update_bandwidth_info(rdev);
2835 }
2836
2837
2838 /*
2839 * Indirect registers accessor
2840 */
2841 void r100_pll_errata_after_index(struct radeon_device *rdev)
2842 {
2843 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2844 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2845 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2846 }
2847 }
2848
2849 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2850 {
2851 /* This workarounds is necessary on RV100, RS100 and RS200 chips
2852 * or the chip could hang on a subsequent access
2853 */
2854 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2855 mdelay(5);
2856 }
2857
2858 /* This function is required to workaround a hardware bug in some (all?)
2859 * revisions of the R300. This workaround should be called after every
2860 * CLOCK_CNTL_INDEX register access. If not, register reads afterward
2861 * may not be correct.
2862 */
2863 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2864 uint32_t save, tmp;
2865
2866 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2867 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2868 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2869 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2870 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2871 }
2872 }
2873
2874 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2875 {
2876 unsigned long flags;
2877 uint32_t data;
2878
2879 spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2880 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2881 r100_pll_errata_after_index(rdev);
2882 data = RREG32(RADEON_CLOCK_CNTL_DATA);
2883 r100_pll_errata_after_data(rdev);
2884 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2885 return data;
2886 }
2887
2888 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2889 {
2890 unsigned long flags;
2891
2892 spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2893 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2894 r100_pll_errata_after_index(rdev);
2895 WREG32(RADEON_CLOCK_CNTL_DATA, v);
2896 r100_pll_errata_after_data(rdev);
2897 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2898 }
2899
2900 static void r100_set_safe_registers(struct radeon_device *rdev)
2901 {
2902 if (ASIC_IS_RN50(rdev)) {
2903 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2904 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2905 } else if (rdev->family < CHIP_R200) {
2906 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2907 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2908 } else {
2909 r200_set_safe_registers(rdev);
2910 }
2911 }
2912
2913 /*
2914 * Debugfs info
2915 */
2916 #if defined(CONFIG_DEBUG_FS)
2917 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2918 {
2919 struct drm_info_node *node = (struct drm_info_node *) m->private;
2920 struct drm_device *dev = node->minor->dev;
2921 struct radeon_device *rdev = dev->dev_private;
2922 uint32_t reg, value;
2923 unsigned i;
2924
2925 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2926 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2927 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2928 for (i = 0; i < 64; i++) {
2929 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2930 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2931 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2932 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2933 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2934 }
2935 return 0;
2936 }
2937
2938 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2939 {
2940 struct drm_info_node *node = (struct drm_info_node *) m->private;
2941 struct drm_device *dev = node->minor->dev;
2942 struct radeon_device *rdev = dev->dev_private;
2943 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2944 uint32_t rdp, wdp;
2945 unsigned count, i, j;
2946
2947 radeon_ring_free_size(rdev, ring);
2948 rdp = RREG32(RADEON_CP_RB_RPTR);
2949 wdp = RREG32(RADEON_CP_RB_WPTR);
2950 count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
2951 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2952 seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2953 seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2954 seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
2955 seq_printf(m, "%u dwords in ring\n", count);
2956 if (ring->ready) {
2957 for (j = 0; j <= count; j++) {
2958 i = (rdp + j) & ring->ptr_mask;
2959 seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
2960 }
2961 }
2962 return 0;
2963 }
2964
2965
2966 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2967 {
2968 struct drm_info_node *node = (struct drm_info_node *) m->private;
2969 struct drm_device *dev = node->minor->dev;
2970 struct radeon_device *rdev = dev->dev_private;
2971 uint32_t csq_stat, csq2_stat, tmp;
2972 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2973 unsigned i;
2974
2975 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2976 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2977 csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2978 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2979 r_rptr = (csq_stat >> 0) & 0x3ff;
2980 r_wptr = (csq_stat >> 10) & 0x3ff;
2981 ib1_rptr = (csq_stat >> 20) & 0x3ff;
2982 ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2983 ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2984 ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2985 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2986 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2987 seq_printf(m, "Ring rptr %u\n", r_rptr);
2988 seq_printf(m, "Ring wptr %u\n", r_wptr);
2989 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2990 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2991 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2992 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2993 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
2994 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
2995 seq_printf(m, "Ring fifo:\n");
2996 for (i = 0; i < 256; i++) {
2997 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2998 tmp = RREG32(RADEON_CP_CSQ_DATA);
2999 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
3000 }
3001 seq_printf(m, "Indirect1 fifo:\n");
3002 for (i = 256; i <= 512; i++) {
3003 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3004 tmp = RREG32(RADEON_CP_CSQ_DATA);
3005 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
3006 }
3007 seq_printf(m, "Indirect2 fifo:\n");
3008 for (i = 640; i < ib1_wptr; i++) {
3009 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3010 tmp = RREG32(RADEON_CP_CSQ_DATA);
3011 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
3012 }
3013 return 0;
3014 }
3015
3016 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
3017 {
3018 struct drm_info_node *node = (struct drm_info_node *) m->private;
3019 struct drm_device *dev = node->minor->dev;
3020 struct radeon_device *rdev = dev->dev_private;
3021 uint32_t tmp;
3022
3023 tmp = RREG32(RADEON_CONFIG_MEMSIZE);
3024 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
3025 tmp = RREG32(RADEON_MC_FB_LOCATION);
3026 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
3027 tmp = RREG32(RADEON_BUS_CNTL);
3028 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
3029 tmp = RREG32(RADEON_MC_AGP_LOCATION);
3030 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
3031 tmp = RREG32(RADEON_AGP_BASE);
3032 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
3033 tmp = RREG32(RADEON_HOST_PATH_CNTL);
3034 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
3035 tmp = RREG32(0x01D0);
3036 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
3037 tmp = RREG32(RADEON_AIC_LO_ADDR);
3038 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
3039 tmp = RREG32(RADEON_AIC_HI_ADDR);
3040 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
3041 tmp = RREG32(0x01E4);
3042 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
3043 return 0;
3044 }
3045
3046 static struct drm_info_list r100_debugfs_rbbm_list[] = {
3047 {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
3048 };
3049
3050 static struct drm_info_list r100_debugfs_cp_list[] = {
3051 {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
3052 {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
3053 };
3054
3055 static struct drm_info_list r100_debugfs_mc_info_list[] = {
3056 {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
3057 };
3058 #endif
3059
3060 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
3061 {
3062 #if defined(CONFIG_DEBUG_FS)
3063 return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
3064 #else
3065 return 0;
3066 #endif
3067 }
3068
3069 int r100_debugfs_cp_init(struct radeon_device *rdev)
3070 {
3071 #if defined(CONFIG_DEBUG_FS)
3072 return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
3073 #else
3074 return 0;
3075 #endif
3076 }
3077
3078 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
3079 {
3080 #if defined(CONFIG_DEBUG_FS)
3081 return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
3082 #else
3083 return 0;
3084 #endif
3085 }
3086
3087 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
3088 uint32_t tiling_flags, uint32_t pitch,
3089 uint32_t offset, uint32_t obj_size)
3090 {
3091 int surf_index = reg * 16;
3092 int flags = 0;
3093
3094 if (rdev->family <= CHIP_RS200) {
3095 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3096 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3097 flags |= RADEON_SURF_TILE_COLOR_BOTH;
3098 if (tiling_flags & RADEON_TILING_MACRO)
3099 flags |= RADEON_SURF_TILE_COLOR_MACRO;
3100 /* setting pitch to 0 disables tiling */
3101 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3102 == 0)
3103 pitch = 0;
3104 } else if (rdev->family <= CHIP_RV280) {
3105 if (tiling_flags & (RADEON_TILING_MACRO))
3106 flags |= R200_SURF_TILE_COLOR_MACRO;
3107 if (tiling_flags & RADEON_TILING_MICRO)
3108 flags |= R200_SURF_TILE_COLOR_MICRO;
3109 } else {
3110 if (tiling_flags & RADEON_TILING_MACRO)
3111 flags |= R300_SURF_TILE_MACRO;
3112 if (tiling_flags & RADEON_TILING_MICRO)
3113 flags |= R300_SURF_TILE_MICRO;
3114 }
3115
3116 if (tiling_flags & RADEON_TILING_SWAP_16BIT)
3117 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
3118 if (tiling_flags & RADEON_TILING_SWAP_32BIT)
3119 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
3120
3121 /* r100/r200 divide by 16 */
3122 if (rdev->family < CHIP_R300)
3123 flags |= pitch / 16;
3124 else
3125 flags |= pitch / 8;
3126
3127
3128 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
3129 WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
3130 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
3131 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
3132 return 0;
3133 }
3134
3135 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
3136 {
3137 int surf_index = reg * 16;
3138 WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
3139 }
3140
3141 void r100_bandwidth_update(struct radeon_device *rdev)
3142 {
3143 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
3144 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
3145 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff;
3146 fixed20_12 crit_point_ff = {0};
3147 uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
3148 fixed20_12 memtcas_ff[8] = {
3149 dfixed_init(1),
3150 dfixed_init(2),
3151 dfixed_init(3),
3152 dfixed_init(0),
3153 dfixed_init_half(1),
3154 dfixed_init_half(2),
3155 dfixed_init(0),
3156 };
3157 fixed20_12 memtcas_rs480_ff[8] = {
3158 dfixed_init(0),
3159 dfixed_init(1),
3160 dfixed_init(2),
3161 dfixed_init(3),
3162 dfixed_init(0),
3163 dfixed_init_half(1),
3164 dfixed_init_half(2),
3165 dfixed_init_half(3),
3166 };
3167 fixed20_12 memtcas2_ff[8] = {
3168 dfixed_init(0),
3169 dfixed_init(1),
3170 dfixed_init(2),
3171 dfixed_init(3),
3172 dfixed_init(4),
3173 dfixed_init(5),
3174 dfixed_init(6),
3175 dfixed_init(7),
3176 };
3177 fixed20_12 memtrbs[8] = {
3178 dfixed_init(1),
3179 dfixed_init_half(1),
3180 dfixed_init(2),
3181 dfixed_init_half(2),
3182 dfixed_init(3),
3183 dfixed_init_half(3),
3184 dfixed_init(4),
3185 dfixed_init_half(4)
3186 };
3187 fixed20_12 memtrbs_r4xx[8] = {
3188 dfixed_init(4),
3189 dfixed_init(5),
3190 dfixed_init(6),
3191 dfixed_init(7),
3192 dfixed_init(8),
3193 dfixed_init(9),
3194 dfixed_init(10),
3195 dfixed_init(11)
3196 };
3197 fixed20_12 min_mem_eff;
3198 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
3199 fixed20_12 cur_latency_mclk, cur_latency_sclk;
3200 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate = {0},
3201 disp_drain_rate2, read_return_rate;
3202 fixed20_12 time_disp1_drop_priority;
3203 int c;
3204 int cur_size = 16; /* in octawords */
3205 int critical_point = 0, critical_point2;
3206 /* uint32_t read_return_rate, time_disp1_drop_priority; */
3207 int stop_req, max_stop_req;
3208 struct drm_display_mode *mode1 = NULL;
3209 struct drm_display_mode *mode2 = NULL;
3210 uint32_t pixel_bytes1 = 0;
3211 uint32_t pixel_bytes2 = 0;
3212
3213 /* Guess line buffer size to be 8192 pixels */
3214 u32 lb_size = 8192;
3215
3216 if (!rdev->mode_info.mode_config_initialized)
3217 return;
3218
3219 radeon_update_display_priority(rdev);
3220
3221 if (rdev->mode_info.crtcs[0]->base.enabled) {
3222 const struct drm_framebuffer *fb =
3223 rdev->mode_info.crtcs[0]->base.primary->fb;
3224
3225 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
3226 pixel_bytes1 = fb->format->cpp[0];
3227 }
3228 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3229 if (rdev->mode_info.crtcs[1]->base.enabled) {
3230 const struct drm_framebuffer *fb =
3231 rdev->mode_info.crtcs[1]->base.primary->fb;
3232
3233 mode2 = &rdev->mode_info.crtcs[1]->base.mode;
3234 pixel_bytes2 = fb->format->cpp[0];
3235 }
3236 }
3237
3238 min_mem_eff.full = dfixed_const_8(0);
3239 /* get modes */
3240 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
3241 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
3242 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
3243 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
3244 /* check crtc enables */
3245 if (mode2)
3246 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
3247 if (mode1)
3248 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
3249 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
3250 }
3251
3252 /*
3253 * determine is there is enough bw for current mode
3254 */
3255 sclk_ff = rdev->pm.sclk;
3256 mclk_ff = rdev->pm.mclk;
3257
3258 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
3259 temp_ff.full = dfixed_const(temp);
3260 mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
3261
3262 pix_clk.full = 0;
3263 pix_clk2.full = 0;
3264 peak_disp_bw.full = 0;
3265 if (mode1) {
3266 temp_ff.full = dfixed_const(1000);
3267 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
3268 pix_clk.full = dfixed_div(pix_clk, temp_ff);
3269 temp_ff.full = dfixed_const(pixel_bytes1);
3270 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
3271 }
3272 if (mode2) {
3273 temp_ff.full = dfixed_const(1000);
3274 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
3275 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
3276 temp_ff.full = dfixed_const(pixel_bytes2);
3277 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
3278 }
3279
3280 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
3281 if (peak_disp_bw.full >= mem_bw.full) {
3282 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
3283 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
3284 }
3285
3286 /* Get values from the EXT_MEM_CNTL register...converting its contents. */
3287 temp = RREG32(RADEON_MEM_TIMING_CNTL);
3288 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
3289 mem_trcd = ((temp >> 2) & 0x3) + 1;
3290 mem_trp = ((temp & 0x3)) + 1;
3291 mem_tras = ((temp & 0x70) >> 4) + 1;
3292 } else if (rdev->family == CHIP_R300 ||
3293 rdev->family == CHIP_R350) { /* r300, r350 */
3294 mem_trcd = (temp & 0x7) + 1;
3295 mem_trp = ((temp >> 8) & 0x7) + 1;
3296 mem_tras = ((temp >> 11) & 0xf) + 4;
3297 } else if (rdev->family == CHIP_RV350 ||
3298 rdev->family == CHIP_RV380) {
3299 /* rv3x0 */
3300 mem_trcd = (temp & 0x7) + 3;
3301 mem_trp = ((temp >> 8) & 0x7) + 3;
3302 mem_tras = ((temp >> 11) & 0xf) + 6;
3303 } else if (rdev->family == CHIP_R420 ||
3304 rdev->family == CHIP_R423 ||
3305 rdev->family == CHIP_RV410) {
3306 /* r4xx */
3307 mem_trcd = (temp & 0xf) + 3;
3308 if (mem_trcd > 15)
3309 mem_trcd = 15;
3310 mem_trp = ((temp >> 8) & 0xf) + 3;
3311 if (mem_trp > 15)
3312 mem_trp = 15;
3313 mem_tras = ((temp >> 12) & 0x1f) + 6;
3314 if (mem_tras > 31)
3315 mem_tras = 31;
3316 } else { /* RV200, R200 */
3317 mem_trcd = (temp & 0x7) + 1;
3318 mem_trp = ((temp >> 8) & 0x7) + 1;
3319 mem_tras = ((temp >> 12) & 0xf) + 4;
3320 }
3321 /* convert to FF */
3322 trcd_ff.full = dfixed_const(mem_trcd);
3323 trp_ff.full = dfixed_const(mem_trp);
3324 tras_ff.full = dfixed_const(mem_tras);
3325
3326 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3327 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3328 data = (temp & (7 << 20)) >> 20;
3329 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3330 if (rdev->family == CHIP_RS480) /* don't think rs400 */
3331 tcas_ff = memtcas_rs480_ff[data];
3332 else
3333 tcas_ff = memtcas_ff[data];
3334 } else
3335 tcas_ff = memtcas2_ff[data];
3336
3337 if (rdev->family == CHIP_RS400 ||
3338 rdev->family == CHIP_RS480) {
3339 /* extra cas latency stored in bits 23-25 0-4 clocks */
3340 data = (temp >> 23) & 0x7;
3341 if (data < 5)
3342 tcas_ff.full += dfixed_const(data);
3343 }
3344
3345 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3346 /* on the R300, Tcas is included in Trbs.
3347 */
3348 temp = RREG32(RADEON_MEM_CNTL);
3349 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3350 if (data == 1) {
3351 if (R300_MEM_USE_CD_CH_ONLY & temp) {
3352 temp = RREG32(R300_MC_IND_INDEX);
3353 temp &= ~R300_MC_IND_ADDR_MASK;
3354 temp |= R300_MC_READ_CNTL_CD_mcind;
3355 WREG32(R300_MC_IND_INDEX, temp);
3356 temp = RREG32(R300_MC_IND_DATA);
3357 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3358 } else {
3359 temp = RREG32(R300_MC_READ_CNTL_AB);
3360 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3361 }
3362 } else {
3363 temp = RREG32(R300_MC_READ_CNTL_AB);
3364 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3365 }
3366 if (rdev->family == CHIP_RV410 ||
3367 rdev->family == CHIP_R420 ||
3368 rdev->family == CHIP_R423)
3369 trbs_ff = memtrbs_r4xx[data];
3370 else
3371 trbs_ff = memtrbs[data];
3372 tcas_ff.full += trbs_ff.full;
3373 }
3374
3375 sclk_eff_ff.full = sclk_ff.full;
3376
3377 if (rdev->flags & RADEON_IS_AGP) {
3378 fixed20_12 agpmode_ff;
3379 agpmode_ff.full = dfixed_const(radeon_agpmode);
3380 temp_ff.full = dfixed_const_666(16);
3381 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3382 }
3383 /* TODO PCIE lanes may affect this - agpmode == 16?? */
3384
3385 if (ASIC_IS_R300(rdev)) {
3386 sclk_delay_ff.full = dfixed_const(250);
3387 } else {
3388 if ((rdev->family == CHIP_RV100) ||
3389 rdev->flags & RADEON_IS_IGP) {
3390 if (rdev->mc.vram_is_ddr)
3391 sclk_delay_ff.full = dfixed_const(41);
3392 else
3393 sclk_delay_ff.full = dfixed_const(33);
3394 } else {
3395 if (rdev->mc.vram_width == 128)
3396 sclk_delay_ff.full = dfixed_const(57);
3397 else
3398 sclk_delay_ff.full = dfixed_const(41);
3399 }
3400 }
3401
3402 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3403
3404 if (rdev->mc.vram_is_ddr) {
3405 if (rdev->mc.vram_width == 32) {
3406 k1.full = dfixed_const(40);
3407 c = 3;
3408 } else {
3409 k1.full = dfixed_const(20);
3410 c = 1;
3411 }
3412 } else {
3413 k1.full = dfixed_const(40);
3414 c = 3;
3415 }
3416
3417 temp_ff.full = dfixed_const(2);
3418 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3419 temp_ff.full = dfixed_const(c);
3420 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3421 temp_ff.full = dfixed_const(4);
3422 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3423 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3424 mc_latency_mclk.full += k1.full;
3425
3426 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3427 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3428
3429 /*
3430 HW cursor time assuming worst case of full size colour cursor.
3431 */
3432 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3433 temp_ff.full += trcd_ff.full;
3434 if (temp_ff.full < tras_ff.full)
3435 temp_ff.full = tras_ff.full;
3436 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3437
3438 temp_ff.full = dfixed_const(cur_size);
3439 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3440 /*
3441 Find the total latency for the display data.
3442 */
3443 disp_latency_overhead.full = dfixed_const(8);
3444 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3445 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3446 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3447
3448 if (mc_latency_mclk.full > mc_latency_sclk.full)
3449 disp_latency.full = mc_latency_mclk.full;
3450 else
3451 disp_latency.full = mc_latency_sclk.full;
3452
3453 /* setup Max GRPH_STOP_REQ default value */
3454 if (ASIC_IS_RV100(rdev))
3455 max_stop_req = 0x5c;
3456 else
3457 max_stop_req = 0x7c;
3458
3459 if (mode1) {
3460 /* CRTC1
3461 Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3462 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3463 */
3464 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3465
3466 if (stop_req > max_stop_req)
3467 stop_req = max_stop_req;
3468
3469 /*
3470 Find the drain rate of the display buffer.
3471 */
3472 temp_ff.full = dfixed_const((16/pixel_bytes1));
3473 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3474
3475 /*
3476 Find the critical point of the display buffer.
3477 */
3478 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3479 crit_point_ff.full += dfixed_const_half(0);
3480
3481 critical_point = dfixed_trunc(crit_point_ff);
3482
3483 if (rdev->disp_priority == 2) {
3484 critical_point = 0;
3485 }
3486
3487 /*
3488 The critical point should never be above max_stop_req-4. Setting
3489 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3490 */
3491 if (max_stop_req - critical_point < 4)
3492 critical_point = 0;
3493
3494 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3495 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3496 critical_point = 0x10;
3497 }
3498
3499 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3500 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3501 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3502 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3503 if ((rdev->family == CHIP_R350) &&
3504 (stop_req > 0x15)) {
3505 stop_req -= 0x10;
3506 }
3507 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3508 temp |= RADEON_GRPH_BUFFER_SIZE;
3509 temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
3510 RADEON_GRPH_CRITICAL_AT_SOF |
3511 RADEON_GRPH_STOP_CNTL);
3512 /*
3513 Write the result into the register.
3514 */
3515 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3516 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3517
3518 #if 0
3519 if ((rdev->family == CHIP_RS400) ||
3520 (rdev->family == CHIP_RS480)) {
3521 /* attempt to program RS400 disp regs correctly ??? */
3522 temp = RREG32(RS400_DISP1_REG_CNTL);
3523 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3524 RS400_DISP1_STOP_REQ_LEVEL_MASK);
3525 WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3526 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3527 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3528 temp = RREG32(RS400_DMIF_MEM_CNTL1);
3529 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3530 RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3531 WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3532 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3533 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3534 }
3535 #endif
3536
3537 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3538 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
3539 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3540 }
3541
3542 if (mode2) {
3543 u32 grph2_cntl;
3544 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3545
3546 if (stop_req > max_stop_req)
3547 stop_req = max_stop_req;
3548
3549 /*
3550 Find the drain rate of the display buffer.
3551 */
3552 temp_ff.full = dfixed_const((16/pixel_bytes2));
3553 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3554
3555 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3556 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3557 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3558 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3559 if ((rdev->family == CHIP_R350) &&
3560 (stop_req > 0x15)) {
3561 stop_req -= 0x10;
3562 }
3563 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3564 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3565 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
3566 RADEON_GRPH_CRITICAL_AT_SOF |
3567 RADEON_GRPH_STOP_CNTL);
3568
3569 if ((rdev->family == CHIP_RS100) ||
3570 (rdev->family == CHIP_RS200))
3571 critical_point2 = 0;
3572 else {
3573 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3574 temp_ff.full = dfixed_const(temp);
3575 temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3576 if (sclk_ff.full < temp_ff.full)
3577 temp_ff.full = sclk_ff.full;
3578
3579 read_return_rate.full = temp_ff.full;
3580
3581 if (mode1) {
3582 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3583 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3584 } else {
3585 time_disp1_drop_priority.full = 0;
3586 }
3587 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3588 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3589 crit_point_ff.full += dfixed_const_half(0);
3590
3591 critical_point2 = dfixed_trunc(crit_point_ff);
3592
3593 if (rdev->disp_priority == 2) {
3594 critical_point2 = 0;
3595 }
3596
3597 if (max_stop_req - critical_point2 < 4)
3598 critical_point2 = 0;
3599
3600 }
3601
3602 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3603 /* some R300 cards have problem with this set to 0 */
3604 critical_point2 = 0x10;
3605 }
3606
3607 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3608 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3609
3610 if ((rdev->family == CHIP_RS400) ||
3611 (rdev->family == CHIP_RS480)) {
3612 #if 0
3613 /* attempt to program RS400 disp2 regs correctly ??? */
3614 temp = RREG32(RS400_DISP2_REQ_CNTL1);
3615 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3616 RS400_DISP2_STOP_REQ_LEVEL_MASK);
3617 WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3618 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3619 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3620 temp = RREG32(RS400_DISP2_REQ_CNTL2);
3621 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3622 RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3623 WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3624 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3625 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3626 #endif
3627 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3628 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3629 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
3630 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3631 }
3632
3633 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3634 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3635 }
3636
3637 /* Save number of lines the linebuffer leads before the scanout */
3638 if (mode1)
3639 rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay);
3640
3641 if (mode2)
3642 rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay);
3643 }
3644
3645 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3646 {
3647 uint32_t scratch;
3648 uint32_t tmp = 0;
3649 unsigned i;
3650 int r;
3651
3652 r = radeon_scratch_get(rdev, &scratch);
3653 if (r) {
3654 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3655 return r;
3656 }
3657 WREG32(scratch, 0xCAFEDEAD);
3658 r = radeon_ring_lock(rdev, ring, 2);
3659 if (r) {
3660 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3661 radeon_scratch_free(rdev, scratch);
3662 return r;
3663 }
3664 radeon_ring_write(ring, PACKET0(scratch, 0));
3665 radeon_ring_write(ring, 0xDEADBEEF);
3666 radeon_ring_unlock_commit(rdev, ring, false);
3667 for (i = 0; i < rdev->usec_timeout; i++) {
3668 tmp = RREG32(scratch);
3669 if (tmp == 0xDEADBEEF) {
3670 break;
3671 }
3672 DRM_UDELAY(1);
3673 }
3674 if (i < rdev->usec_timeout) {
3675 DRM_INFO("ring test succeeded in %d usecs\n", i);
3676 } else {
3677 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3678 scratch, tmp);
3679 r = -EINVAL;
3680 }
3681 radeon_scratch_free(rdev, scratch);
3682 return r;
3683 }
3684
3685 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3686 {
3687 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3688
3689 if (ring->rptr_save_reg) {
3690 u32 next_rptr = ring->wptr + 2 + 3;
3691 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
3692 radeon_ring_write(ring, next_rptr);
3693 }
3694
3695 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3696 radeon_ring_write(ring, ib->gpu_addr);
3697 radeon_ring_write(ring, ib->length_dw);
3698 }
3699
3700 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3701 {
3702 struct radeon_ib ib;
3703 uint32_t scratch;
3704 uint32_t tmp = 0;
3705 unsigned i;
3706 int r;
3707
3708 r = radeon_scratch_get(rdev, &scratch);
3709 if (r) {
3710 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3711 return r;
3712 }
3713 WREG32(scratch, 0xCAFEDEAD);
3714 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
3715 if (r) {
3716 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3717 goto free_scratch;
3718 }
3719 ib.ptr[0] = PACKET0(scratch, 0);
3720 ib.ptr[1] = 0xDEADBEEF;
3721 ib.ptr[2] = PACKET2(0);
3722 ib.ptr[3] = PACKET2(0);
3723 ib.ptr[4] = PACKET2(0);
3724 ib.ptr[5] = PACKET2(0);
3725 ib.ptr[6] = PACKET2(0);
3726 ib.ptr[7] = PACKET2(0);
3727 ib.length_dw = 8;
3728 r = radeon_ib_schedule(rdev, &ib, NULL, false);
3729 if (r) {
3730 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3731 goto free_ib;
3732 }
3733 r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
3734 RADEON_USEC_IB_TEST_TIMEOUT));
3735 if (r < 0) {
3736 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3737 goto free_ib;
3738 } else if (r == 0) {
3739 DRM_ERROR("radeon: fence wait timed out.\n");
3740 r = -ETIMEDOUT;
3741 goto free_ib;
3742 }
3743 r = 0;
3744 for (i = 0; i < rdev->usec_timeout; i++) {
3745 tmp = RREG32(scratch);
3746 if (tmp == 0xDEADBEEF) {
3747 break;
3748 }
3749 DRM_UDELAY(1);
3750 }
3751 if (i < rdev->usec_timeout) {
3752 DRM_INFO("ib test succeeded in %u usecs\n", i);
3753 } else {
3754 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3755 scratch, tmp);
3756 r = -EINVAL;
3757 }
3758 free_ib:
3759 radeon_ib_free(rdev, &ib);
3760 free_scratch:
3761 radeon_scratch_free(rdev, scratch);
3762 return r;
3763 }
3764
3765 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3766 {
3767 /* Shutdown CP we shouldn't need to do that but better be safe than
3768 * sorry
3769 */
3770 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3771 WREG32(R_000740_CP_CSQ_CNTL, 0);
3772
3773 /* Save few CRTC registers */
3774 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3775 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3776 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3777 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3778 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3779 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3780 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3781 }
3782
3783 /* Disable VGA aperture access */
3784 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3785 /* Disable cursor, overlay, crtc */
3786 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3787 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3788 S_000054_CRTC_DISPLAY_DIS(1));
3789 WREG32(R_000050_CRTC_GEN_CNTL,
3790 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3791 S_000050_CRTC_DISP_REQ_EN_B(1));
3792 WREG32(R_000420_OV0_SCALE_CNTL,
3793 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3794 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3795 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3796 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3797 S_000360_CUR2_LOCK(1));
3798 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3799 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3800 S_0003F8_CRTC2_DISPLAY_DIS(1) |
3801 S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3802 WREG32(R_000360_CUR2_OFFSET,
3803 C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3804 }
3805 }
3806
3807 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3808 {
3809 /* Update base address for crtc */
3810 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3811 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3812 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3813 }
3814 /* Restore CRTC registers */
3815 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3816 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3817 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3818 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3819 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3820 }
3821 }
3822
3823 void r100_vga_render_disable(struct radeon_device *rdev)
3824 {
3825 u32 tmp;
3826
3827 tmp = RREG8(R_0003C2_GENMO_WT);
3828 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3829 }
3830
3831 static void r100_debugfs(struct radeon_device *rdev)
3832 {
3833 int r;
3834
3835 r = r100_debugfs_mc_info_init(rdev);
3836 if (r)
3837 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3838 }
3839
3840 static void r100_mc_program(struct radeon_device *rdev)
3841 {
3842 struct r100_mc_save save;
3843
3844 /* Stops all mc clients */
3845 r100_mc_stop(rdev, &save);
3846 if (rdev->flags & RADEON_IS_AGP) {
3847 WREG32(R_00014C_MC_AGP_LOCATION,
3848 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3849 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3850 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3851 if (rdev->family > CHIP_RV200)
3852 WREG32(R_00015C_AGP_BASE_2,
3853 upper_32_bits(rdev->mc.agp_base) & 0xff);
3854 } else {
3855 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3856 WREG32(R_000170_AGP_BASE, 0);
3857 if (rdev->family > CHIP_RV200)
3858 WREG32(R_00015C_AGP_BASE_2, 0);
3859 }
3860 /* Wait for mc idle */
3861 if (r100_mc_wait_for_idle(rdev))
3862 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3863 /* Program MC, should be a 32bits limited address space */
3864 WREG32(R_000148_MC_FB_LOCATION,
3865 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3866 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3867 r100_mc_resume(rdev, &save);
3868 }
3869
3870 static void r100_clock_startup(struct radeon_device *rdev)
3871 {
3872 u32 tmp;
3873
3874 if (radeon_dynclks != -1 && radeon_dynclks)
3875 radeon_legacy_set_clock_gating(rdev, 1);
3876 /* We need to force on some of the block */
3877 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3878 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3879 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3880 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3881 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3882 }
3883
3884 static int r100_startup(struct radeon_device *rdev)
3885 {
3886 int r;
3887
3888 /* set common regs */
3889 r100_set_common_regs(rdev);
3890 /* program mc */
3891 r100_mc_program(rdev);
3892 /* Resume clock */
3893 r100_clock_startup(rdev);
3894 /* Initialize GART (initialize after TTM so we can allocate
3895 * memory through TTM but finalize after TTM) */
3896 r100_enable_bm(rdev);
3897 if (rdev->flags & RADEON_IS_PCI) {
3898 r = r100_pci_gart_enable(rdev);
3899 if (r)
3900 return r;
3901 }
3902
3903 /* allocate wb buffer */
3904 r = radeon_wb_init(rdev);
3905 if (r)
3906 return r;
3907
3908 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3909 if (r) {
3910 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3911 return r;
3912 }
3913
3914 /* Enable IRQ */
3915 if (!rdev->irq.installed) {
3916 r = radeon_irq_kms_init(rdev);
3917 if (r)
3918 return r;
3919 }
3920
3921 r100_irq_set(rdev);
3922 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3923 /* 1M ring buffer */
3924 r = r100_cp_init(rdev, 1024 * 1024);
3925 if (r) {
3926 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3927 return r;
3928 }
3929
3930 r = radeon_ib_pool_init(rdev);
3931 if (r) {
3932 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3933 return r;
3934 }
3935
3936 return 0;
3937 }
3938
3939 int r100_resume(struct radeon_device *rdev)
3940 {
3941 int r;
3942
3943 /* Make sur GART are not working */
3944 if (rdev->flags & RADEON_IS_PCI)
3945 r100_pci_gart_disable(rdev);
3946 /* Resume clock before doing reset */
3947 r100_clock_startup(rdev);
3948 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3949 if (radeon_asic_reset(rdev)) {
3950 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3951 RREG32(R_000E40_RBBM_STATUS),
3952 RREG32(R_0007C0_CP_STAT));
3953 }
3954 /* post */
3955 radeon_combios_asic_init(rdev->ddev);
3956 /* Resume clock after posting */
3957 r100_clock_startup(rdev);
3958 /* Initialize surface registers */
3959 radeon_surface_init(rdev);
3960
3961 rdev->accel_working = true;
3962 r = r100_startup(rdev);
3963 if (r) {
3964 rdev->accel_working = false;
3965 }
3966 return r;
3967 }
3968
3969 int r100_suspend(struct radeon_device *rdev)
3970 {
3971 radeon_pm_suspend(rdev);
3972 r100_cp_disable(rdev);
3973 radeon_wb_disable(rdev);
3974 r100_irq_disable(rdev);
3975 if (rdev->flags & RADEON_IS_PCI)
3976 r100_pci_gart_disable(rdev);
3977 return 0;
3978 }
3979
3980 void r100_fini(struct radeon_device *rdev)
3981 {
3982 radeon_pm_fini(rdev);
3983 r100_cp_fini(rdev);
3984 radeon_wb_fini(rdev);
3985 radeon_ib_pool_fini(rdev);
3986 radeon_gem_fini(rdev);
3987 if (rdev->flags & RADEON_IS_PCI)
3988 r100_pci_gart_fini(rdev);
3989 radeon_agp_fini(rdev);
3990 radeon_irq_kms_fini(rdev);
3991 radeon_fence_driver_fini(rdev);
3992 radeon_bo_fini(rdev);
3993 radeon_atombios_fini(rdev);
3994 kfree(rdev->bios);
3995 rdev->bios = NULL;
3996 }
3997
3998 /*
3999 * Due to how kexec works, it can leave the hw fully initialised when it
4000 * boots the new kernel. However doing our init sequence with the CP and
4001 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
4002 * do some quick sanity checks and restore sane values to avoid this
4003 * problem.
4004 */
4005 void r100_restore_sanity(struct radeon_device *rdev)
4006 {
4007 u32 tmp;
4008
4009 tmp = RREG32(RADEON_CP_CSQ_CNTL);
4010 if (tmp) {
4011 WREG32(RADEON_CP_CSQ_CNTL, 0);
4012 }
4013 tmp = RREG32(RADEON_CP_RB_CNTL);
4014 if (tmp) {
4015 WREG32(RADEON_CP_RB_CNTL, 0);
4016 }
4017 tmp = RREG32(RADEON_SCRATCH_UMSK);
4018 if (tmp) {
4019 WREG32(RADEON_SCRATCH_UMSK, 0);
4020 }
4021 }
4022
4023 int r100_init(struct radeon_device *rdev)
4024 {
4025 int r;
4026
4027 /* Register debugfs file specific to this group of asics */
4028 r100_debugfs(rdev);
4029 /* Disable VGA */
4030 r100_vga_render_disable(rdev);
4031 /* Initialize scratch registers */
4032 radeon_scratch_init(rdev);
4033 /* Initialize surface registers */
4034 radeon_surface_init(rdev);
4035 /* sanity check some register to avoid hangs like after kexec */
4036 r100_restore_sanity(rdev);
4037 /* TODO: disable VGA need to use VGA request */
4038 /* BIOS*/
4039 if (!radeon_get_bios(rdev)) {
4040 if (ASIC_IS_AVIVO(rdev))
4041 return -EINVAL;
4042 }
4043 if (rdev->is_atom_bios) {
4044 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4045 return -EINVAL;
4046 } else {
4047 r = radeon_combios_init(rdev);
4048 if (r)
4049 return r;
4050 }
4051 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4052 if (radeon_asic_reset(rdev)) {
4053 dev_warn(rdev->dev,
4054 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4055 RREG32(R_000E40_RBBM_STATUS),
4056 RREG32(R_0007C0_CP_STAT));
4057 }
4058 /* check if cards are posted or not */
4059 if (radeon_boot_test_post_card(rdev) == false)
4060 return -EINVAL;
4061 /* Set asic errata */
4062 r100_errata(rdev);
4063 /* Initialize clocks */
4064 radeon_get_clock_info(rdev->ddev);
4065 /* initialize AGP */
4066 if (rdev->flags & RADEON_IS_AGP) {
4067 r = radeon_agp_init(rdev);
4068 if (r) {
4069 radeon_agp_disable(rdev);
4070 }
4071 }
4072 /* initialize VRAM */
4073 r100_mc_init(rdev);
4074 /* Fence driver */
4075 r = radeon_fence_driver_init(rdev);
4076 if (r)
4077 return r;
4078 /* Memory manager */
4079 r = radeon_bo_init(rdev);
4080 if (r)
4081 return r;
4082 if (rdev->flags & RADEON_IS_PCI) {
4083 r = r100_pci_gart_init(rdev);
4084 if (r)
4085 return r;
4086 }
4087 r100_set_safe_registers(rdev);
4088
4089 /* Initialize power management */
4090 radeon_pm_init(rdev);
4091
4092 rdev->accel_working = true;
4093 r = r100_startup(rdev);
4094 if (r) {
4095 /* Somethings want wront with the accel init stop accel */
4096 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4097 r100_cp_fini(rdev);
4098 radeon_wb_fini(rdev);
4099 radeon_ib_pool_fini(rdev);
4100 radeon_irq_kms_fini(rdev);
4101 if (rdev->flags & RADEON_IS_PCI)
4102 r100_pci_gart_fini(rdev);
4103 rdev->accel_working = false;
4104 }
4105 return 0;
4106 }
4107
4108 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg)
4109 {
4110 unsigned long flags;
4111 uint32_t ret;
4112
4113 spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4114 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4115 ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4116 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4117 return ret;
4118 }
4119
4120 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4121 {
4122 unsigned long flags;
4123
4124 spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4125 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4126 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4127 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4128 }
4129
4130 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4131 {
4132 if (reg < rdev->rio_mem_size)
4133 return ioread32(rdev->rio_mem + reg);
4134 else {
4135 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4136 return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4137 }
4138 }
4139
4140 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4141 {
4142 if (reg < rdev->rio_mem_size)
4143 iowrite32(v, rdev->rio_mem + reg);
4144 else {
4145 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4146 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4147 }
4148 }
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