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
r100_is_in_vblank(struct radeon_device * rdev,int crtc)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
r100_is_counter_moving(struct radeon_device * rdev,int crtc)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 */
r100_wait_for_vblank(struct radeon_device * rdev,int crtc)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 */
r100_page_flip(struct radeon_device * rdev,int crtc_id,u64 crtc_base)156 void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
157 {
158 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
159 u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
160 int i;
161
162 /* Lock the graphics update lock */
163 /* update the scanout addresses */
164 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
165
166 /* Wait for update_pending to go high. */
167 for (i = 0; i < rdev->usec_timeout; i++) {
168 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
169 break;
170 udelay(1);
171 }
172 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
173
174 /* Unlock the lock, so double-buffering can take place inside vblank */
175 tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
176 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
177
178 }
179
180 /**
181 * r100_page_flip_pending - check if page flip is still pending
182 *
183 * @rdev: radeon_device pointer
184 * @crtc_id: crtc to check
185 *
186 * Check if the last pagefilp is still pending (r1xx-r4xx).
187 * Returns the current update pending status.
188 */
r100_page_flip_pending(struct radeon_device * rdev,int crtc_id)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 */
r100_pm_get_dynpm_state(struct radeon_device * rdev)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 */
r100_pm_init_profile(struct radeon_device * rdev)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 */
r100_pm_misc(struct radeon_device * rdev)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 */
r100_pm_prepare(struct radeon_device * rdev)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 */
r100_pm_finish(struct radeon_device * rdev)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 */
r100_gui_idle(struct radeon_device * rdev)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 */
r100_hpd_sense(struct radeon_device * rdev,enum radeon_hpd_id hpd)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 */
r100_hpd_set_polarity(struct radeon_device * rdev,enum radeon_hpd_id hpd)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 */
r100_hpd_init(struct radeon_device * rdev)587 void r100_hpd_init(struct radeon_device *rdev)
588 {
589 struct drm_device *dev = rdev->ddev;
590 struct drm_connector *connector;
591 unsigned enable = 0;
592
593 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
594 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
595 enable |= 1 << radeon_connector->hpd.hpd;
596 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
597 }
598 radeon_irq_kms_enable_hpd(rdev, enable);
599 }
600
601 /**
602 * r100_hpd_fini - hpd tear down callback.
603 *
604 * @rdev: radeon_device pointer
605 *
606 * Tear down the hpd pins used by the card (r1xx-r4xx).
607 * Disable the hpd interrupts.
608 */
r100_hpd_fini(struct radeon_device * rdev)609 void r100_hpd_fini(struct radeon_device *rdev)
610 {
611 struct drm_device *dev = rdev->ddev;
612 struct drm_connector *connector;
613 unsigned disable = 0;
614
615 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
616 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
617 disable |= 1 << radeon_connector->hpd.hpd;
618 }
619 radeon_irq_kms_disable_hpd(rdev, disable);
620 }
621
622 /*
623 * PCI GART
624 */
r100_pci_gart_tlb_flush(struct radeon_device * rdev)625 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
626 {
627 /* TODO: can we do somethings here ? */
628 /* It seems hw only cache one entry so we should discard this
629 * entry otherwise if first GPU GART read hit this entry it
630 * could end up in wrong address. */
631 }
632
r100_pci_gart_init(struct radeon_device * rdev)633 int r100_pci_gart_init(struct radeon_device *rdev)
634 {
635 int r;
636
637 if (rdev->gart.ptr) {
638 WARN(1, "R100 PCI GART already initialized\n");
639 return 0;
640 }
641 /* Initialize common gart structure */
642 r = radeon_gart_init(rdev);
643 if (r)
644 return r;
645 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
646 rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
647 rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry;
648 rdev->asic->gart.set_page = &r100_pci_gart_set_page;
649 return radeon_gart_table_ram_alloc(rdev);
650 }
651
r100_pci_gart_enable(struct radeon_device * rdev)652 int r100_pci_gart_enable(struct radeon_device *rdev)
653 {
654 uint32_t tmp;
655
656 /* discard memory request outside of configured range */
657 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
658 WREG32(RADEON_AIC_CNTL, tmp);
659 /* set address range for PCI address translate */
660 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
661 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
662 /* set PCI GART page-table base address */
663 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
664 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
665 WREG32(RADEON_AIC_CNTL, tmp);
666 r100_pci_gart_tlb_flush(rdev);
667 DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n",
668 (unsigned)(rdev->mc.gtt_size >> 20),
669 (unsigned long long)rdev->gart.table_addr);
670 rdev->gart.ready = true;
671 return 0;
672 }
673
r100_pci_gart_disable(struct radeon_device * rdev)674 void r100_pci_gart_disable(struct radeon_device *rdev)
675 {
676 uint32_t tmp;
677
678 /* discard memory request outside of configured range */
679 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
680 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
681 WREG32(RADEON_AIC_LO_ADDR, 0);
682 WREG32(RADEON_AIC_HI_ADDR, 0);
683 }
684
r100_pci_gart_get_page_entry(uint64_t addr,uint32_t flags)685 uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags)
686 {
687 return addr;
688 }
689
r100_pci_gart_set_page(struct radeon_device * rdev,unsigned i,uint64_t entry)690 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
691 uint64_t entry)
692 {
693 u32 *gtt = rdev->gart.ptr;
694 gtt[i] = cpu_to_le32(lower_32_bits(entry));
695 }
696
r100_pci_gart_fini(struct radeon_device * rdev)697 void r100_pci_gart_fini(struct radeon_device *rdev)
698 {
699 radeon_gart_fini(rdev);
700 r100_pci_gart_disable(rdev);
701 radeon_gart_table_ram_free(rdev);
702 }
703
r100_irq_set(struct radeon_device * rdev)704 int r100_irq_set(struct radeon_device *rdev)
705 {
706 uint32_t tmp = 0;
707
708 if (!rdev->irq.installed) {
709 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
710 WREG32(R_000040_GEN_INT_CNTL, 0);
711 return -EINVAL;
712 }
713 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
714 tmp |= RADEON_SW_INT_ENABLE;
715 }
716 if (rdev->irq.crtc_vblank_int[0] ||
717 atomic_read(&rdev->irq.pflip[0])) {
718 tmp |= RADEON_CRTC_VBLANK_MASK;
719 }
720 if (rdev->irq.crtc_vblank_int[1] ||
721 atomic_read(&rdev->irq.pflip[1])) {
722 tmp |= RADEON_CRTC2_VBLANK_MASK;
723 }
724 if (rdev->irq.hpd[0]) {
725 tmp |= RADEON_FP_DETECT_MASK;
726 }
727 if (rdev->irq.hpd[1]) {
728 tmp |= RADEON_FP2_DETECT_MASK;
729 }
730 WREG32(RADEON_GEN_INT_CNTL, tmp);
731
732 /* read back to post the write */
733 RREG32(RADEON_GEN_INT_CNTL);
734
735 return 0;
736 }
737
r100_irq_disable(struct radeon_device * rdev)738 void r100_irq_disable(struct radeon_device *rdev)
739 {
740 u32 tmp;
741
742 WREG32(R_000040_GEN_INT_CNTL, 0);
743 /* Wait and acknowledge irq */
744 mdelay(1);
745 tmp = RREG32(R_000044_GEN_INT_STATUS);
746 WREG32(R_000044_GEN_INT_STATUS, tmp);
747 }
748
r100_irq_ack(struct radeon_device * rdev)749 static uint32_t r100_irq_ack(struct radeon_device *rdev)
750 {
751 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
752 uint32_t irq_mask = RADEON_SW_INT_TEST |
753 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
754 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
755
756 if (irqs) {
757 WREG32(RADEON_GEN_INT_STATUS, irqs);
758 }
759 return irqs & irq_mask;
760 }
761
r100_irq_process(struct radeon_device * rdev)762 int r100_irq_process(struct radeon_device *rdev)
763 {
764 uint32_t status, msi_rearm;
765 bool queue_hotplug = false;
766
767 status = r100_irq_ack(rdev);
768 if (!status) {
769 return IRQ_NONE;
770 }
771 if (rdev->shutdown) {
772 return IRQ_NONE;
773 }
774 while (status) {
775 /* SW interrupt */
776 if (status & RADEON_SW_INT_TEST) {
777 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
778 }
779 /* Vertical blank interrupts */
780 if (status & RADEON_CRTC_VBLANK_STAT) {
781 if (rdev->irq.crtc_vblank_int[0]) {
782 drm_handle_vblank(rdev->ddev, 0);
783 rdev->pm.vblank_sync = true;
784 wake_up(&rdev->irq.vblank_queue);
785 }
786 if (atomic_read(&rdev->irq.pflip[0]))
787 radeon_crtc_handle_vblank(rdev, 0);
788 }
789 if (status & RADEON_CRTC2_VBLANK_STAT) {
790 if (rdev->irq.crtc_vblank_int[1]) {
791 drm_handle_vblank(rdev->ddev, 1);
792 rdev->pm.vblank_sync = true;
793 wake_up(&rdev->irq.vblank_queue);
794 }
795 if (atomic_read(&rdev->irq.pflip[1]))
796 radeon_crtc_handle_vblank(rdev, 1);
797 }
798 if (status & RADEON_FP_DETECT_STAT) {
799 queue_hotplug = true;
800 DRM_DEBUG("HPD1\n");
801 }
802 if (status & RADEON_FP2_DETECT_STAT) {
803 queue_hotplug = true;
804 DRM_DEBUG("HPD2\n");
805 }
806 status = r100_irq_ack(rdev);
807 }
808 if (queue_hotplug)
809 schedule_delayed_work(&rdev->hotplug_work, 0);
810 if (rdev->msi_enabled) {
811 switch (rdev->family) {
812 case CHIP_RS400:
813 case CHIP_RS480:
814 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
815 WREG32(RADEON_AIC_CNTL, msi_rearm);
816 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
817 break;
818 default:
819 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
820 break;
821 }
822 }
823 return IRQ_HANDLED;
824 }
825
r100_get_vblank_counter(struct radeon_device * rdev,int crtc)826 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
827 {
828 if (crtc == 0)
829 return RREG32(RADEON_CRTC_CRNT_FRAME);
830 else
831 return RREG32(RADEON_CRTC2_CRNT_FRAME);
832 }
833
834 /**
835 * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
836 * rdev: radeon device structure
837 * ring: ring buffer struct for emitting packets
838 */
r100_ring_hdp_flush(struct radeon_device * rdev,struct radeon_ring * ring)839 static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
840 {
841 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
842 radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
843 RADEON_HDP_READ_BUFFER_INVALIDATE);
844 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
845 radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
846 }
847
848 /* Who ever call radeon_fence_emit should call ring_lock and ask
849 * for enough space (today caller are ib schedule and buffer move) */
r100_fence_ring_emit(struct radeon_device * rdev,struct radeon_fence * fence)850 void r100_fence_ring_emit(struct radeon_device *rdev,
851 struct radeon_fence *fence)
852 {
853 struct radeon_ring *ring = &rdev->ring[fence->ring];
854
855 /* We have to make sure that caches are flushed before
856 * CPU might read something from VRAM. */
857 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
858 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
859 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
860 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
861 /* Wait until IDLE & CLEAN */
862 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
863 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
864 r100_ring_hdp_flush(rdev, ring);
865 /* Emit fence sequence & fire IRQ */
866 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
867 radeon_ring_write(ring, fence->seq);
868 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
869 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
870 }
871
r100_semaphore_ring_emit(struct radeon_device * rdev,struct radeon_ring * ring,struct radeon_semaphore * semaphore,bool emit_wait)872 bool r100_semaphore_ring_emit(struct radeon_device *rdev,
873 struct radeon_ring *ring,
874 struct radeon_semaphore *semaphore,
875 bool emit_wait)
876 {
877 /* Unused on older asics, since we don't have semaphores or multiple rings */
878 BUG();
879 return false;
880 }
881
r100_copy_blit(struct radeon_device * rdev,uint64_t src_offset,uint64_t dst_offset,unsigned num_gpu_pages,struct reservation_object * resv)882 struct radeon_fence *r100_copy_blit(struct radeon_device *rdev,
883 uint64_t src_offset,
884 uint64_t dst_offset,
885 unsigned num_gpu_pages,
886 struct reservation_object *resv)
887 {
888 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
889 struct radeon_fence *fence;
890 uint32_t cur_pages;
891 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
892 uint32_t pitch;
893 uint32_t stride_pixels;
894 unsigned ndw;
895 int num_loops;
896 int r = 0;
897
898 /* radeon limited to 16k stride */
899 stride_bytes &= 0x3fff;
900 /* radeon pitch is /64 */
901 pitch = stride_bytes / 64;
902 stride_pixels = stride_bytes / 4;
903 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
904
905 /* Ask for enough room for blit + flush + fence */
906 ndw = 64 + (10 * num_loops);
907 r = radeon_ring_lock(rdev, ring, ndw);
908 if (r) {
909 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
910 return ERR_PTR(-EINVAL);
911 }
912 while (num_gpu_pages > 0) {
913 cur_pages = num_gpu_pages;
914 if (cur_pages > 8191) {
915 cur_pages = 8191;
916 }
917 num_gpu_pages -= cur_pages;
918
919 /* pages are in Y direction - height
920 page width in X direction - width */
921 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
922 radeon_ring_write(ring,
923 RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
924 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
925 RADEON_GMC_SRC_CLIPPING |
926 RADEON_GMC_DST_CLIPPING |
927 RADEON_GMC_BRUSH_NONE |
928 (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
929 RADEON_GMC_SRC_DATATYPE_COLOR |
930 RADEON_ROP3_S |
931 RADEON_DP_SRC_SOURCE_MEMORY |
932 RADEON_GMC_CLR_CMP_CNTL_DIS |
933 RADEON_GMC_WR_MSK_DIS);
934 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
935 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
936 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
937 radeon_ring_write(ring, 0);
938 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
939 radeon_ring_write(ring, num_gpu_pages);
940 radeon_ring_write(ring, num_gpu_pages);
941 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
942 }
943 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
944 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
945 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
946 radeon_ring_write(ring,
947 RADEON_WAIT_2D_IDLECLEAN |
948 RADEON_WAIT_HOST_IDLECLEAN |
949 RADEON_WAIT_DMA_GUI_IDLE);
950 r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
951 if (r) {
952 radeon_ring_unlock_undo(rdev, ring);
953 return ERR_PTR(r);
954 }
955 radeon_ring_unlock_commit(rdev, ring, false);
956 return fence;
957 }
958
r100_cp_wait_for_idle(struct radeon_device * rdev)959 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
960 {
961 unsigned i;
962 u32 tmp;
963
964 for (i = 0; i < rdev->usec_timeout; i++) {
965 tmp = RREG32(R_000E40_RBBM_STATUS);
966 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
967 return 0;
968 }
969 udelay(1);
970 }
971 return -1;
972 }
973
r100_ring_start(struct radeon_device * rdev,struct radeon_ring * ring)974 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
975 {
976 int r;
977
978 r = radeon_ring_lock(rdev, ring, 2);
979 if (r) {
980 return;
981 }
982 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
983 radeon_ring_write(ring,
984 RADEON_ISYNC_ANY2D_IDLE3D |
985 RADEON_ISYNC_ANY3D_IDLE2D |
986 RADEON_ISYNC_WAIT_IDLEGUI |
987 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
988 radeon_ring_unlock_commit(rdev, ring, false);
989 }
990
991
992 /* Load the microcode for the CP */
r100_cp_init_microcode(struct radeon_device * rdev)993 static int r100_cp_init_microcode(struct radeon_device *rdev)
994 {
995 const char *fw_name = NULL;
996 int err;
997
998 DRM_DEBUG_KMS("\n");
999
1000 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
1001 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
1002 (rdev->family == CHIP_RS200)) {
1003 DRM_INFO("Loading R100 Microcode\n");
1004 fw_name = FIRMWARE_R100;
1005 } else if ((rdev->family == CHIP_R200) ||
1006 (rdev->family == CHIP_RV250) ||
1007 (rdev->family == CHIP_RV280) ||
1008 (rdev->family == CHIP_RS300)) {
1009 DRM_INFO("Loading R200 Microcode\n");
1010 fw_name = FIRMWARE_R200;
1011 } else if ((rdev->family == CHIP_R300) ||
1012 (rdev->family == CHIP_R350) ||
1013 (rdev->family == CHIP_RV350) ||
1014 (rdev->family == CHIP_RV380) ||
1015 (rdev->family == CHIP_RS400) ||
1016 (rdev->family == CHIP_RS480)) {
1017 DRM_INFO("Loading R300 Microcode\n");
1018 fw_name = FIRMWARE_R300;
1019 } else if ((rdev->family == CHIP_R420) ||
1020 (rdev->family == CHIP_R423) ||
1021 (rdev->family == CHIP_RV410)) {
1022 DRM_INFO("Loading R400 Microcode\n");
1023 fw_name = FIRMWARE_R420;
1024 } else if ((rdev->family == CHIP_RS690) ||
1025 (rdev->family == CHIP_RS740)) {
1026 DRM_INFO("Loading RS690/RS740 Microcode\n");
1027 fw_name = FIRMWARE_RS690;
1028 } else if (rdev->family == CHIP_RS600) {
1029 DRM_INFO("Loading RS600 Microcode\n");
1030 fw_name = FIRMWARE_RS600;
1031 } else if ((rdev->family == CHIP_RV515) ||
1032 (rdev->family == CHIP_R520) ||
1033 (rdev->family == CHIP_RV530) ||
1034 (rdev->family == CHIP_R580) ||
1035 (rdev->family == CHIP_RV560) ||
1036 (rdev->family == CHIP_RV570)) {
1037 DRM_INFO("Loading R500 Microcode\n");
1038 fw_name = FIRMWARE_R520;
1039 }
1040
1041 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1042 if (err) {
1043 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
1044 fw_name);
1045 } else if (rdev->me_fw->size % 8) {
1046 printk(KERN_ERR
1047 "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
r100_gfx_get_rptr(struct radeon_device * rdev,struct radeon_ring * ring)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
r100_gfx_get_wptr(struct radeon_device * rdev,struct radeon_ring * ring)1069 u32 r100_gfx_get_wptr(struct radeon_device *rdev,
1070 struct radeon_ring *ring)
1071 {
1072 u32 wptr;
1073
1074 wptr = RREG32(RADEON_CP_RB_WPTR);
1075
1076 return wptr;
1077 }
1078
r100_gfx_set_wptr(struct radeon_device * rdev,struct radeon_ring * ring)1079 void r100_gfx_set_wptr(struct radeon_device *rdev,
1080 struct radeon_ring *ring)
1081 {
1082 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1083 (void)RREG32(RADEON_CP_RB_WPTR);
1084 }
1085
r100_cp_load_microcode(struct radeon_device * rdev)1086 static void r100_cp_load_microcode(struct radeon_device *rdev)
1087 {
1088 const __be32 *fw_data;
1089 int i, size;
1090
1091 if (r100_gui_wait_for_idle(rdev)) {
1092 printk(KERN_WARNING "Failed to wait GUI idle while "
1093 "programming pipes. Bad things might happen.\n");
1094 }
1095
1096 if (rdev->me_fw) {
1097 size = rdev->me_fw->size / 4;
1098 fw_data = (const __be32 *)&rdev->me_fw->data[0];
1099 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1100 for (i = 0; i < size; i += 2) {
1101 WREG32(RADEON_CP_ME_RAM_DATAH,
1102 be32_to_cpup(&fw_data[i]));
1103 WREG32(RADEON_CP_ME_RAM_DATAL,
1104 be32_to_cpup(&fw_data[i + 1]));
1105 }
1106 }
1107 }
1108
r100_cp_init(struct radeon_device * rdev,unsigned ring_size)1109 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1110 {
1111 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1112 unsigned rb_bufsz;
1113 unsigned rb_blksz;
1114 unsigned max_fetch;
1115 unsigned pre_write_timer;
1116 unsigned pre_write_limit;
1117 unsigned indirect2_start;
1118 unsigned indirect1_start;
1119 uint32_t tmp;
1120 int r;
1121
1122 if (r100_debugfs_cp_init(rdev)) {
1123 DRM_ERROR("Failed to register debugfs file for CP !\n");
1124 }
1125 if (!rdev->me_fw) {
1126 r = r100_cp_init_microcode(rdev);
1127 if (r) {
1128 DRM_ERROR("Failed to load firmware!\n");
1129 return r;
1130 }
1131 }
1132
1133 /* Align ring size */
1134 rb_bufsz = order_base_2(ring_size / 8);
1135 ring_size = (1 << (rb_bufsz + 1)) * 4;
1136 r100_cp_load_microcode(rdev);
1137 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1138 RADEON_CP_PACKET2);
1139 if (r) {
1140 return r;
1141 }
1142 /* Each time the cp read 1024 bytes (16 dword/quadword) update
1143 * the rptr copy in system ram */
1144 rb_blksz = 9;
1145 /* cp will read 128bytes at a time (4 dwords) */
1146 max_fetch = 1;
1147 ring->align_mask = 16 - 1;
1148 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1149 pre_write_timer = 64;
1150 /* Force CP_RB_WPTR write if written more than one time before the
1151 * delay expire
1152 */
1153 pre_write_limit = 0;
1154 /* Setup the cp cache like this (cache size is 96 dwords) :
1155 * RING 0 to 15
1156 * INDIRECT1 16 to 79
1157 * INDIRECT2 80 to 95
1158 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1159 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1160 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1161 * Idea being that most of the gpu cmd will be through indirect1 buffer
1162 * so it gets the bigger cache.
1163 */
1164 indirect2_start = 80;
1165 indirect1_start = 16;
1166 /* cp setup */
1167 WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1168 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1169 REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1170 REG_SET(RADEON_MAX_FETCH, max_fetch));
1171 #ifdef __BIG_ENDIAN
1172 tmp |= RADEON_BUF_SWAP_32BIT;
1173 #endif
1174 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1175
1176 /* Set ring address */
1177 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1178 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1179 /* Force read & write ptr to 0 */
1180 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1181 WREG32(RADEON_CP_RB_RPTR_WR, 0);
1182 ring->wptr = 0;
1183 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1184
1185 /* set the wb address whether it's enabled or not */
1186 WREG32(R_00070C_CP_RB_RPTR_ADDR,
1187 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1188 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1189
1190 if (rdev->wb.enabled)
1191 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1192 else {
1193 tmp |= RADEON_RB_NO_UPDATE;
1194 WREG32(R_000770_SCRATCH_UMSK, 0);
1195 }
1196
1197 WREG32(RADEON_CP_RB_CNTL, tmp);
1198 udelay(10);
1199 /* Set cp mode to bus mastering & enable cp*/
1200 WREG32(RADEON_CP_CSQ_MODE,
1201 REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1202 REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1203 WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1204 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1205 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1206
1207 /* at this point everything should be setup correctly to enable master */
1208 pci_set_master(rdev->pdev);
1209
1210 radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1211 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1212 if (r) {
1213 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1214 return r;
1215 }
1216 ring->ready = true;
1217 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1218
1219 if (!ring->rptr_save_reg /* not resuming from suspend */
1220 && radeon_ring_supports_scratch_reg(rdev, ring)) {
1221 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
1222 if (r) {
1223 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
1224 ring->rptr_save_reg = 0;
1225 }
1226 }
1227 return 0;
1228 }
1229
r100_cp_fini(struct radeon_device * rdev)1230 void r100_cp_fini(struct radeon_device *rdev)
1231 {
1232 if (r100_cp_wait_for_idle(rdev)) {
1233 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1234 }
1235 /* Disable ring */
1236 r100_cp_disable(rdev);
1237 radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
1238 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1239 DRM_INFO("radeon: cp finalized\n");
1240 }
1241
r100_cp_disable(struct radeon_device * rdev)1242 void r100_cp_disable(struct radeon_device *rdev)
1243 {
1244 /* Disable ring */
1245 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1246 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1247 WREG32(RADEON_CP_CSQ_MODE, 0);
1248 WREG32(RADEON_CP_CSQ_CNTL, 0);
1249 WREG32(R_000770_SCRATCH_UMSK, 0);
1250 if (r100_gui_wait_for_idle(rdev)) {
1251 printk(KERN_WARNING "Failed to wait GUI idle while "
1252 "programming pipes. Bad things might happen.\n");
1253 }
1254 }
1255
1256 /*
1257 * CS functions
1258 */
r100_reloc_pitch_offset(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,unsigned idx,unsigned reg)1259 int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
1260 struct radeon_cs_packet *pkt,
1261 unsigned idx,
1262 unsigned reg)
1263 {
1264 int r;
1265 u32 tile_flags = 0;
1266 u32 tmp;
1267 struct radeon_bo_list *reloc;
1268 u32 value;
1269
1270 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1271 if (r) {
1272 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1273 idx, reg);
1274 radeon_cs_dump_packet(p, pkt);
1275 return r;
1276 }
1277
1278 value = radeon_get_ib_value(p, idx);
1279 tmp = value & 0x003fffff;
1280 tmp += (((u32)reloc->gpu_offset) >> 10);
1281
1282 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1283 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1284 tile_flags |= RADEON_DST_TILE_MACRO;
1285 if (reloc->tiling_flags & RADEON_TILING_MICRO) {
1286 if (reg == RADEON_SRC_PITCH_OFFSET) {
1287 DRM_ERROR("Cannot src blit from microtiled surface\n");
1288 radeon_cs_dump_packet(p, pkt);
1289 return -EINVAL;
1290 }
1291 tile_flags |= RADEON_DST_TILE_MICRO;
1292 }
1293
1294 tmp |= tile_flags;
1295 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp;
1296 } else
1297 p->ib.ptr[idx] = (value & 0xffc00000) | tmp;
1298 return 0;
1299 }
1300
r100_packet3_load_vbpntr(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,int idx)1301 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
1302 struct radeon_cs_packet *pkt,
1303 int idx)
1304 {
1305 unsigned c, i;
1306 struct radeon_bo_list *reloc;
1307 struct r100_cs_track *track;
1308 int r = 0;
1309 volatile uint32_t *ib;
1310 u32 idx_value;
1311
1312 ib = p->ib.ptr;
1313 track = (struct r100_cs_track *)p->track;
1314 c = radeon_get_ib_value(p, idx++) & 0x1F;
1315 if (c > 16) {
1316 DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
1317 pkt->opcode);
1318 radeon_cs_dump_packet(p, pkt);
1319 return -EINVAL;
1320 }
1321 track->num_arrays = c;
1322 for (i = 0; i < (c - 1); i+=2, idx+=3) {
1323 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1324 if (r) {
1325 DRM_ERROR("No reloc for packet3 %d\n",
1326 pkt->opcode);
1327 radeon_cs_dump_packet(p, pkt);
1328 return r;
1329 }
1330 idx_value = radeon_get_ib_value(p, idx);
1331 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1332
1333 track->arrays[i + 0].esize = idx_value >> 8;
1334 track->arrays[i + 0].robj = reloc->robj;
1335 track->arrays[i + 0].esize &= 0x7F;
1336 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1337 if (r) {
1338 DRM_ERROR("No reloc for packet3 %d\n",
1339 pkt->opcode);
1340 radeon_cs_dump_packet(p, pkt);
1341 return r;
1342 }
1343 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->gpu_offset);
1344 track->arrays[i + 1].robj = reloc->robj;
1345 track->arrays[i + 1].esize = idx_value >> 24;
1346 track->arrays[i + 1].esize &= 0x7F;
1347 }
1348 if (c & 1) {
1349 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1350 if (r) {
1351 DRM_ERROR("No reloc for packet3 %d\n",
1352 pkt->opcode);
1353 radeon_cs_dump_packet(p, pkt);
1354 return r;
1355 }
1356 idx_value = radeon_get_ib_value(p, idx);
1357 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1358 track->arrays[i + 0].robj = reloc->robj;
1359 track->arrays[i + 0].esize = idx_value >> 8;
1360 track->arrays[i + 0].esize &= 0x7F;
1361 }
1362 return r;
1363 }
1364
r100_cs_parse_packet0(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,const unsigned * auth,unsigned n,radeon_packet0_check_t check)1365 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1366 struct radeon_cs_packet *pkt,
1367 const unsigned *auth, unsigned n,
1368 radeon_packet0_check_t check)
1369 {
1370 unsigned reg;
1371 unsigned i, j, m;
1372 unsigned idx;
1373 int r;
1374
1375 idx = pkt->idx + 1;
1376 reg = pkt->reg;
1377 /* Check that register fall into register range
1378 * determined by the number of entry (n) in the
1379 * safe register bitmap.
1380 */
1381 if (pkt->one_reg_wr) {
1382 if ((reg >> 7) > n) {
1383 return -EINVAL;
1384 }
1385 } else {
1386 if (((reg + (pkt->count << 2)) >> 7) > n) {
1387 return -EINVAL;
1388 }
1389 }
1390 for (i = 0; i <= pkt->count; i++, idx++) {
1391 j = (reg >> 7);
1392 m = 1 << ((reg >> 2) & 31);
1393 if (auth[j] & m) {
1394 r = check(p, pkt, idx, reg);
1395 if (r) {
1396 return r;
1397 }
1398 }
1399 if (pkt->one_reg_wr) {
1400 if (!(auth[j] & m)) {
1401 break;
1402 }
1403 } else {
1404 reg += 4;
1405 }
1406 }
1407 return 0;
1408 }
1409
1410 /**
1411 * r100_cs_packet_next_vline() - parse userspace VLINE packet
1412 * @parser: parser structure holding parsing context.
1413 *
1414 * Userspace sends a special sequence for VLINE waits.
1415 * PACKET0 - VLINE_START_END + value
1416 * PACKET0 - WAIT_UNTIL +_value
1417 * RELOC (P3) - crtc_id in reloc.
1418 *
1419 * This function parses this and relocates the VLINE START END
1420 * and WAIT UNTIL packets to the correct crtc.
1421 * It also detects a switched off crtc and nulls out the
1422 * wait in that case.
1423 */
r100_cs_packet_parse_vline(struct radeon_cs_parser * p)1424 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1425 {
1426 struct drm_crtc *crtc;
1427 struct radeon_crtc *radeon_crtc;
1428 struct radeon_cs_packet p3reloc, waitreloc;
1429 int crtc_id;
1430 int r;
1431 uint32_t header, h_idx, reg;
1432 volatile uint32_t *ib;
1433
1434 ib = p->ib.ptr;
1435
1436 /* parse the wait until */
1437 r = radeon_cs_packet_parse(p, &waitreloc, p->idx);
1438 if (r)
1439 return r;
1440
1441 /* check its a wait until and only 1 count */
1442 if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1443 waitreloc.count != 0) {
1444 DRM_ERROR("vline wait had illegal wait until segment\n");
1445 return -EINVAL;
1446 }
1447
1448 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1449 DRM_ERROR("vline wait had illegal wait until\n");
1450 return -EINVAL;
1451 }
1452
1453 /* jump over the NOP */
1454 r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1455 if (r)
1456 return r;
1457
1458 h_idx = p->idx - 2;
1459 p->idx += waitreloc.count + 2;
1460 p->idx += p3reloc.count + 2;
1461
1462 header = radeon_get_ib_value(p, h_idx);
1463 crtc_id = radeon_get_ib_value(p, h_idx + 5);
1464 reg = R100_CP_PACKET0_GET_REG(header);
1465 crtc = drm_crtc_find(p->rdev->ddev, crtc_id);
1466 if (!crtc) {
1467 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1468 return -ENOENT;
1469 }
1470 radeon_crtc = to_radeon_crtc(crtc);
1471 crtc_id = radeon_crtc->crtc_id;
1472
1473 if (!crtc->enabled) {
1474 /* if the CRTC isn't enabled - we need to nop out the wait until */
1475 ib[h_idx + 2] = PACKET2(0);
1476 ib[h_idx + 3] = PACKET2(0);
1477 } else if (crtc_id == 1) {
1478 switch (reg) {
1479 case AVIVO_D1MODE_VLINE_START_END:
1480 header &= ~R300_CP_PACKET0_REG_MASK;
1481 header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1482 break;
1483 case RADEON_CRTC_GUI_TRIG_VLINE:
1484 header &= ~R300_CP_PACKET0_REG_MASK;
1485 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1486 break;
1487 default:
1488 DRM_ERROR("unknown crtc reloc\n");
1489 return -EINVAL;
1490 }
1491 ib[h_idx] = header;
1492 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1493 }
1494
1495 return 0;
1496 }
1497
r100_get_vtx_size(uint32_t vtx_fmt)1498 static int r100_get_vtx_size(uint32_t vtx_fmt)
1499 {
1500 int vtx_size;
1501 vtx_size = 2;
1502 /* ordered according to bits in spec */
1503 if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1504 vtx_size++;
1505 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1506 vtx_size += 3;
1507 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1508 vtx_size++;
1509 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1510 vtx_size++;
1511 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1512 vtx_size += 3;
1513 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1514 vtx_size++;
1515 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1516 vtx_size++;
1517 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1518 vtx_size += 2;
1519 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1520 vtx_size += 2;
1521 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1522 vtx_size++;
1523 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1524 vtx_size += 2;
1525 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1526 vtx_size++;
1527 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1528 vtx_size += 2;
1529 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1530 vtx_size++;
1531 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1532 vtx_size++;
1533 /* blend weight */
1534 if (vtx_fmt & (0x7 << 15))
1535 vtx_size += (vtx_fmt >> 15) & 0x7;
1536 if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1537 vtx_size += 3;
1538 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1539 vtx_size += 2;
1540 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1541 vtx_size++;
1542 if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1543 vtx_size++;
1544 if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1545 vtx_size++;
1546 if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1547 vtx_size++;
1548 return vtx_size;
1549 }
1550
r100_packet0_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,unsigned idx,unsigned reg)1551 static int r100_packet0_check(struct radeon_cs_parser *p,
1552 struct radeon_cs_packet *pkt,
1553 unsigned idx, unsigned reg)
1554 {
1555 struct radeon_bo_list *reloc;
1556 struct r100_cs_track *track;
1557 volatile uint32_t *ib;
1558 uint32_t tmp;
1559 int r;
1560 int i, face;
1561 u32 tile_flags = 0;
1562 u32 idx_value;
1563
1564 ib = p->ib.ptr;
1565 track = (struct r100_cs_track *)p->track;
1566
1567 idx_value = radeon_get_ib_value(p, idx);
1568
1569 switch (reg) {
1570 case RADEON_CRTC_GUI_TRIG_VLINE:
1571 r = r100_cs_packet_parse_vline(p);
1572 if (r) {
1573 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1574 idx, reg);
1575 radeon_cs_dump_packet(p, pkt);
1576 return r;
1577 }
1578 break;
1579 /* FIXME: only allow PACKET3 blit? easier to check for out of
1580 * range access */
1581 case RADEON_DST_PITCH_OFFSET:
1582 case RADEON_SRC_PITCH_OFFSET:
1583 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1584 if (r)
1585 return r;
1586 break;
1587 case RADEON_RB3D_DEPTHOFFSET:
1588 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1589 if (r) {
1590 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1591 idx, reg);
1592 radeon_cs_dump_packet(p, pkt);
1593 return r;
1594 }
1595 track->zb.robj = reloc->robj;
1596 track->zb.offset = idx_value;
1597 track->zb_dirty = true;
1598 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1599 break;
1600 case RADEON_RB3D_COLOROFFSET:
1601 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1602 if (r) {
1603 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1604 idx, reg);
1605 radeon_cs_dump_packet(p, pkt);
1606 return r;
1607 }
1608 track->cb[0].robj = reloc->robj;
1609 track->cb[0].offset = idx_value;
1610 track->cb_dirty = true;
1611 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1612 break;
1613 case RADEON_PP_TXOFFSET_0:
1614 case RADEON_PP_TXOFFSET_1:
1615 case RADEON_PP_TXOFFSET_2:
1616 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1617 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1618 if (r) {
1619 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1620 idx, reg);
1621 radeon_cs_dump_packet(p, pkt);
1622 return r;
1623 }
1624 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1625 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1626 tile_flags |= RADEON_TXO_MACRO_TILE;
1627 if (reloc->tiling_flags & RADEON_TILING_MICRO)
1628 tile_flags |= RADEON_TXO_MICRO_TILE_X2;
1629
1630 tmp = idx_value & ~(0x7 << 2);
1631 tmp |= tile_flags;
1632 ib[idx] = tmp + ((u32)reloc->gpu_offset);
1633 } else
1634 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1635 track->textures[i].robj = reloc->robj;
1636 track->tex_dirty = true;
1637 break;
1638 case RADEON_PP_CUBIC_OFFSET_T0_0:
1639 case RADEON_PP_CUBIC_OFFSET_T0_1:
1640 case RADEON_PP_CUBIC_OFFSET_T0_2:
1641 case RADEON_PP_CUBIC_OFFSET_T0_3:
1642 case RADEON_PP_CUBIC_OFFSET_T0_4:
1643 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1644 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1645 if (r) {
1646 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1647 idx, reg);
1648 radeon_cs_dump_packet(p, pkt);
1649 return r;
1650 }
1651 track->textures[0].cube_info[i].offset = idx_value;
1652 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1653 track->textures[0].cube_info[i].robj = reloc->robj;
1654 track->tex_dirty = true;
1655 break;
1656 case RADEON_PP_CUBIC_OFFSET_T1_0:
1657 case RADEON_PP_CUBIC_OFFSET_T1_1:
1658 case RADEON_PP_CUBIC_OFFSET_T1_2:
1659 case RADEON_PP_CUBIC_OFFSET_T1_3:
1660 case RADEON_PP_CUBIC_OFFSET_T1_4:
1661 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1662 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1663 if (r) {
1664 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1665 idx, reg);
1666 radeon_cs_dump_packet(p, pkt);
1667 return r;
1668 }
1669 track->textures[1].cube_info[i].offset = idx_value;
1670 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1671 track->textures[1].cube_info[i].robj = reloc->robj;
1672 track->tex_dirty = true;
1673 break;
1674 case RADEON_PP_CUBIC_OFFSET_T2_0:
1675 case RADEON_PP_CUBIC_OFFSET_T2_1:
1676 case RADEON_PP_CUBIC_OFFSET_T2_2:
1677 case RADEON_PP_CUBIC_OFFSET_T2_3:
1678 case RADEON_PP_CUBIC_OFFSET_T2_4:
1679 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1680 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1681 if (r) {
1682 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1683 idx, reg);
1684 radeon_cs_dump_packet(p, pkt);
1685 return r;
1686 }
1687 track->textures[2].cube_info[i].offset = idx_value;
1688 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1689 track->textures[2].cube_info[i].robj = reloc->robj;
1690 track->tex_dirty = true;
1691 break;
1692 case RADEON_RE_WIDTH_HEIGHT:
1693 track->maxy = ((idx_value >> 16) & 0x7FF);
1694 track->cb_dirty = true;
1695 track->zb_dirty = true;
1696 break;
1697 case RADEON_RB3D_COLORPITCH:
1698 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1699 if (r) {
1700 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1701 idx, reg);
1702 radeon_cs_dump_packet(p, pkt);
1703 return r;
1704 }
1705 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1706 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1707 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1708 if (reloc->tiling_flags & RADEON_TILING_MICRO)
1709 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1710
1711 tmp = idx_value & ~(0x7 << 16);
1712 tmp |= tile_flags;
1713 ib[idx] = tmp;
1714 } else
1715 ib[idx] = idx_value;
1716
1717 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1718 track->cb_dirty = true;
1719 break;
1720 case RADEON_RB3D_DEPTHPITCH:
1721 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1722 track->zb_dirty = true;
1723 break;
1724 case RADEON_RB3D_CNTL:
1725 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1726 case 7:
1727 case 8:
1728 case 9:
1729 case 11:
1730 case 12:
1731 track->cb[0].cpp = 1;
1732 break;
1733 case 3:
1734 case 4:
1735 case 15:
1736 track->cb[0].cpp = 2;
1737 break;
1738 case 6:
1739 track->cb[0].cpp = 4;
1740 break;
1741 default:
1742 DRM_ERROR("Invalid color buffer format (%d) !\n",
1743 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1744 return -EINVAL;
1745 }
1746 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1747 track->cb_dirty = true;
1748 track->zb_dirty = true;
1749 break;
1750 case RADEON_RB3D_ZSTENCILCNTL:
1751 switch (idx_value & 0xf) {
1752 case 0:
1753 track->zb.cpp = 2;
1754 break;
1755 case 2:
1756 case 3:
1757 case 4:
1758 case 5:
1759 case 9:
1760 case 11:
1761 track->zb.cpp = 4;
1762 break;
1763 default:
1764 break;
1765 }
1766 track->zb_dirty = true;
1767 break;
1768 case RADEON_RB3D_ZPASS_ADDR:
1769 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1770 if (r) {
1771 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1772 idx, reg);
1773 radeon_cs_dump_packet(p, pkt);
1774 return r;
1775 }
1776 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1777 break;
1778 case RADEON_PP_CNTL:
1779 {
1780 uint32_t temp = idx_value >> 4;
1781 for (i = 0; i < track->num_texture; i++)
1782 track->textures[i].enabled = !!(temp & (1 << i));
1783 track->tex_dirty = true;
1784 }
1785 break;
1786 case RADEON_SE_VF_CNTL:
1787 track->vap_vf_cntl = idx_value;
1788 break;
1789 case RADEON_SE_VTX_FMT:
1790 track->vtx_size = r100_get_vtx_size(idx_value);
1791 break;
1792 case RADEON_PP_TEX_SIZE_0:
1793 case RADEON_PP_TEX_SIZE_1:
1794 case RADEON_PP_TEX_SIZE_2:
1795 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1796 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1797 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1798 track->tex_dirty = true;
1799 break;
1800 case RADEON_PP_TEX_PITCH_0:
1801 case RADEON_PP_TEX_PITCH_1:
1802 case RADEON_PP_TEX_PITCH_2:
1803 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1804 track->textures[i].pitch = idx_value + 32;
1805 track->tex_dirty = true;
1806 break;
1807 case RADEON_PP_TXFILTER_0:
1808 case RADEON_PP_TXFILTER_1:
1809 case RADEON_PP_TXFILTER_2:
1810 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1811 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1812 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1813 tmp = (idx_value >> 23) & 0x7;
1814 if (tmp == 2 || tmp == 6)
1815 track->textures[i].roundup_w = false;
1816 tmp = (idx_value >> 27) & 0x7;
1817 if (tmp == 2 || tmp == 6)
1818 track->textures[i].roundup_h = false;
1819 track->tex_dirty = true;
1820 break;
1821 case RADEON_PP_TXFORMAT_0:
1822 case RADEON_PP_TXFORMAT_1:
1823 case RADEON_PP_TXFORMAT_2:
1824 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1825 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1826 track->textures[i].use_pitch = 1;
1827 } else {
1828 track->textures[i].use_pitch = 0;
1829 track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
1830 track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
1831 }
1832 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1833 track->textures[i].tex_coord_type = 2;
1834 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1835 case RADEON_TXFORMAT_I8:
1836 case RADEON_TXFORMAT_RGB332:
1837 case RADEON_TXFORMAT_Y8:
1838 track->textures[i].cpp = 1;
1839 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1840 break;
1841 case RADEON_TXFORMAT_AI88:
1842 case RADEON_TXFORMAT_ARGB1555:
1843 case RADEON_TXFORMAT_RGB565:
1844 case RADEON_TXFORMAT_ARGB4444:
1845 case RADEON_TXFORMAT_VYUY422:
1846 case RADEON_TXFORMAT_YVYU422:
1847 case RADEON_TXFORMAT_SHADOW16:
1848 case RADEON_TXFORMAT_LDUDV655:
1849 case RADEON_TXFORMAT_DUDV88:
1850 track->textures[i].cpp = 2;
1851 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1852 break;
1853 case RADEON_TXFORMAT_ARGB8888:
1854 case RADEON_TXFORMAT_RGBA8888:
1855 case RADEON_TXFORMAT_SHADOW32:
1856 case RADEON_TXFORMAT_LDUDUV8888:
1857 track->textures[i].cpp = 4;
1858 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1859 break;
1860 case RADEON_TXFORMAT_DXT1:
1861 track->textures[i].cpp = 1;
1862 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1863 break;
1864 case RADEON_TXFORMAT_DXT23:
1865 case RADEON_TXFORMAT_DXT45:
1866 track->textures[i].cpp = 1;
1867 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1868 break;
1869 }
1870 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1871 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1872 track->tex_dirty = true;
1873 break;
1874 case RADEON_PP_CUBIC_FACES_0:
1875 case RADEON_PP_CUBIC_FACES_1:
1876 case RADEON_PP_CUBIC_FACES_2:
1877 tmp = idx_value;
1878 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1879 for (face = 0; face < 4; face++) {
1880 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1881 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1882 }
1883 track->tex_dirty = true;
1884 break;
1885 default:
1886 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1887 reg, idx);
1888 return -EINVAL;
1889 }
1890 return 0;
1891 }
1892
r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,struct radeon_bo * robj)1893 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1894 struct radeon_cs_packet *pkt,
1895 struct radeon_bo *robj)
1896 {
1897 unsigned idx;
1898 u32 value;
1899 idx = pkt->idx + 1;
1900 value = radeon_get_ib_value(p, idx + 2);
1901 if ((value + 1) > radeon_bo_size(robj)) {
1902 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1903 "(need %u have %lu) !\n",
1904 value + 1,
1905 radeon_bo_size(robj));
1906 return -EINVAL;
1907 }
1908 return 0;
1909 }
1910
r100_packet3_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt)1911 static int r100_packet3_check(struct radeon_cs_parser *p,
1912 struct radeon_cs_packet *pkt)
1913 {
1914 struct radeon_bo_list *reloc;
1915 struct r100_cs_track *track;
1916 unsigned idx;
1917 volatile uint32_t *ib;
1918 int r;
1919
1920 ib = p->ib.ptr;
1921 idx = pkt->idx + 1;
1922 track = (struct r100_cs_track *)p->track;
1923 switch (pkt->opcode) {
1924 case PACKET3_3D_LOAD_VBPNTR:
1925 r = r100_packet3_load_vbpntr(p, pkt, idx);
1926 if (r)
1927 return r;
1928 break;
1929 case PACKET3_INDX_BUFFER:
1930 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1931 if (r) {
1932 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1933 radeon_cs_dump_packet(p, pkt);
1934 return r;
1935 }
1936 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset);
1937 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1938 if (r) {
1939 return r;
1940 }
1941 break;
1942 case 0x23:
1943 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1944 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1945 if (r) {
1946 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1947 radeon_cs_dump_packet(p, pkt);
1948 return r;
1949 }
1950 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset);
1951 track->num_arrays = 1;
1952 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1953
1954 track->arrays[0].robj = reloc->robj;
1955 track->arrays[0].esize = track->vtx_size;
1956
1957 track->max_indx = radeon_get_ib_value(p, idx+1);
1958
1959 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1960 track->immd_dwords = pkt->count - 1;
1961 r = r100_cs_track_check(p->rdev, track);
1962 if (r)
1963 return r;
1964 break;
1965 case PACKET3_3D_DRAW_IMMD:
1966 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1967 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1968 return -EINVAL;
1969 }
1970 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1971 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1972 track->immd_dwords = pkt->count - 1;
1973 r = r100_cs_track_check(p->rdev, track);
1974 if (r)
1975 return r;
1976 break;
1977 /* triggers drawing using in-packet vertex data */
1978 case PACKET3_3D_DRAW_IMMD_2:
1979 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1980 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1981 return -EINVAL;
1982 }
1983 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1984 track->immd_dwords = pkt->count;
1985 r = r100_cs_track_check(p->rdev, track);
1986 if (r)
1987 return r;
1988 break;
1989 /* triggers drawing using in-packet vertex data */
1990 case PACKET3_3D_DRAW_VBUF_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 of vertex buffers setup elsewhere */
1997 case PACKET3_3D_DRAW_INDX_2:
1998 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1999 r = r100_cs_track_check(p->rdev, track);
2000 if (r)
2001 return r;
2002 break;
2003 /* triggers drawing using indices to vertex buffer */
2004 case PACKET3_3D_DRAW_VBUF:
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 of vertex buffers setup elsewhere */
2011 case PACKET3_3D_DRAW_INDX:
2012 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2013 r = r100_cs_track_check(p->rdev, track);
2014 if (r)
2015 return r;
2016 break;
2017 /* triggers drawing using indices to vertex buffer */
2018 case PACKET3_3D_CLEAR_HIZ:
2019 case PACKET3_3D_CLEAR_ZMASK:
2020 if (p->rdev->hyperz_filp != p->filp)
2021 return -EINVAL;
2022 break;
2023 case PACKET3_NOP:
2024 break;
2025 default:
2026 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2027 return -EINVAL;
2028 }
2029 return 0;
2030 }
2031
r100_cs_parse(struct radeon_cs_parser * p)2032 int r100_cs_parse(struct radeon_cs_parser *p)
2033 {
2034 struct radeon_cs_packet pkt;
2035 struct r100_cs_track *track;
2036 int r;
2037
2038 track = kzalloc(sizeof(*track), GFP_KERNEL);
2039 if (!track)
2040 return -ENOMEM;
2041 r100_cs_track_clear(p->rdev, track);
2042 p->track = track;
2043 do {
2044 r = radeon_cs_packet_parse(p, &pkt, p->idx);
2045 if (r) {
2046 return r;
2047 }
2048 p->idx += pkt.count + 2;
2049 switch (pkt.type) {
2050 case RADEON_PACKET_TYPE0:
2051 if (p->rdev->family >= CHIP_R200)
2052 r = r100_cs_parse_packet0(p, &pkt,
2053 p->rdev->config.r100.reg_safe_bm,
2054 p->rdev->config.r100.reg_safe_bm_size,
2055 &r200_packet0_check);
2056 else
2057 r = r100_cs_parse_packet0(p, &pkt,
2058 p->rdev->config.r100.reg_safe_bm,
2059 p->rdev->config.r100.reg_safe_bm_size,
2060 &r100_packet0_check);
2061 break;
2062 case RADEON_PACKET_TYPE2:
2063 break;
2064 case RADEON_PACKET_TYPE3:
2065 r = r100_packet3_check(p, &pkt);
2066 break;
2067 default:
2068 DRM_ERROR("Unknown packet type %d !\n",
2069 pkt.type);
2070 return -EINVAL;
2071 }
2072 if (r)
2073 return r;
2074 } while (p->idx < p->chunk_ib->length_dw);
2075 return 0;
2076 }
2077
r100_cs_track_texture_print(struct r100_cs_track_texture * t)2078 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2079 {
2080 DRM_ERROR("pitch %d\n", t->pitch);
2081 DRM_ERROR("use_pitch %d\n", t->use_pitch);
2082 DRM_ERROR("width %d\n", t->width);
2083 DRM_ERROR("width_11 %d\n", t->width_11);
2084 DRM_ERROR("height %d\n", t->height);
2085 DRM_ERROR("height_11 %d\n", t->height_11);
2086 DRM_ERROR("num levels %d\n", t->num_levels);
2087 DRM_ERROR("depth %d\n", t->txdepth);
2088 DRM_ERROR("bpp %d\n", t->cpp);
2089 DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
2090 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
2091 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2092 DRM_ERROR("compress format %d\n", t->compress_format);
2093 }
2094
r100_track_compress_size(int compress_format,int w,int h)2095 static int r100_track_compress_size(int compress_format, int w, int h)
2096 {
2097 int block_width, block_height, block_bytes;
2098 int wblocks, hblocks;
2099 int min_wblocks;
2100 int sz;
2101
2102 block_width = 4;
2103 block_height = 4;
2104
2105 switch (compress_format) {
2106 case R100_TRACK_COMP_DXT1:
2107 block_bytes = 8;
2108 min_wblocks = 4;
2109 break;
2110 default:
2111 case R100_TRACK_COMP_DXT35:
2112 block_bytes = 16;
2113 min_wblocks = 2;
2114 break;
2115 }
2116
2117 hblocks = (h + block_height - 1) / block_height;
2118 wblocks = (w + block_width - 1) / block_width;
2119 if (wblocks < min_wblocks)
2120 wblocks = min_wblocks;
2121 sz = wblocks * hblocks * block_bytes;
2122 return sz;
2123 }
2124
r100_cs_track_cube(struct radeon_device * rdev,struct r100_cs_track * track,unsigned idx)2125 static int r100_cs_track_cube(struct radeon_device *rdev,
2126 struct r100_cs_track *track, unsigned idx)
2127 {
2128 unsigned face, w, h;
2129 struct radeon_bo *cube_robj;
2130 unsigned long size;
2131 unsigned compress_format = track->textures[idx].compress_format;
2132
2133 for (face = 0; face < 5; face++) {
2134 cube_robj = track->textures[idx].cube_info[face].robj;
2135 w = track->textures[idx].cube_info[face].width;
2136 h = track->textures[idx].cube_info[face].height;
2137
2138 if (compress_format) {
2139 size = r100_track_compress_size(compress_format, w, h);
2140 } else
2141 size = w * h;
2142 size *= track->textures[idx].cpp;
2143
2144 size += track->textures[idx].cube_info[face].offset;
2145
2146 if (size > radeon_bo_size(cube_robj)) {
2147 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2148 size, radeon_bo_size(cube_robj));
2149 r100_cs_track_texture_print(&track->textures[idx]);
2150 return -1;
2151 }
2152 }
2153 return 0;
2154 }
2155
r100_cs_track_texture_check(struct radeon_device * rdev,struct r100_cs_track * track)2156 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2157 struct r100_cs_track *track)
2158 {
2159 struct radeon_bo *robj;
2160 unsigned long size;
2161 unsigned u, i, w, h, d;
2162 int ret;
2163
2164 for (u = 0; u < track->num_texture; u++) {
2165 if (!track->textures[u].enabled)
2166 continue;
2167 if (track->textures[u].lookup_disable)
2168 continue;
2169 robj = track->textures[u].robj;
2170 if (robj == NULL) {
2171 DRM_ERROR("No texture bound to unit %u\n", u);
2172 return -EINVAL;
2173 }
2174 size = 0;
2175 for (i = 0; i <= track->textures[u].num_levels; i++) {
2176 if (track->textures[u].use_pitch) {
2177 if (rdev->family < CHIP_R300)
2178 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2179 else
2180 w = track->textures[u].pitch / (1 << i);
2181 } else {
2182 w = track->textures[u].width;
2183 if (rdev->family >= CHIP_RV515)
2184 w |= track->textures[u].width_11;
2185 w = w / (1 << i);
2186 if (track->textures[u].roundup_w)
2187 w = roundup_pow_of_two(w);
2188 }
2189 h = track->textures[u].height;
2190 if (rdev->family >= CHIP_RV515)
2191 h |= track->textures[u].height_11;
2192 h = h / (1 << i);
2193 if (track->textures[u].roundup_h)
2194 h = roundup_pow_of_two(h);
2195 if (track->textures[u].tex_coord_type == 1) {
2196 d = (1 << track->textures[u].txdepth) / (1 << i);
2197 if (!d)
2198 d = 1;
2199 } else {
2200 d = 1;
2201 }
2202 if (track->textures[u].compress_format) {
2203
2204 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2205 /* compressed textures are block based */
2206 } else
2207 size += w * h * d;
2208 }
2209 size *= track->textures[u].cpp;
2210
2211 switch (track->textures[u].tex_coord_type) {
2212 case 0:
2213 case 1:
2214 break;
2215 case 2:
2216 if (track->separate_cube) {
2217 ret = r100_cs_track_cube(rdev, track, u);
2218 if (ret)
2219 return ret;
2220 } else
2221 size *= 6;
2222 break;
2223 default:
2224 DRM_ERROR("Invalid texture coordinate type %u for unit "
2225 "%u\n", track->textures[u].tex_coord_type, u);
2226 return -EINVAL;
2227 }
2228 if (size > radeon_bo_size(robj)) {
2229 DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2230 "%lu\n", u, size, radeon_bo_size(robj));
2231 r100_cs_track_texture_print(&track->textures[u]);
2232 return -EINVAL;
2233 }
2234 }
2235 return 0;
2236 }
2237
r100_cs_track_check(struct radeon_device * rdev,struct r100_cs_track * track)2238 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2239 {
2240 unsigned i;
2241 unsigned long size;
2242 unsigned prim_walk;
2243 unsigned nverts;
2244 unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
2245
2246 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
2247 !track->blend_read_enable)
2248 num_cb = 0;
2249
2250 for (i = 0; i < num_cb; i++) {
2251 if (track->cb[i].robj == NULL) {
2252 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2253 return -EINVAL;
2254 }
2255 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2256 size += track->cb[i].offset;
2257 if (size > radeon_bo_size(track->cb[i].robj)) {
2258 DRM_ERROR("[drm] Buffer too small for color buffer %d "
2259 "(need %lu have %lu) !\n", i, size,
2260 radeon_bo_size(track->cb[i].robj));
2261 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2262 i, track->cb[i].pitch, track->cb[i].cpp,
2263 track->cb[i].offset, track->maxy);
2264 return -EINVAL;
2265 }
2266 }
2267 track->cb_dirty = false;
2268
2269 if (track->zb_dirty && track->z_enabled) {
2270 if (track->zb.robj == NULL) {
2271 DRM_ERROR("[drm] No buffer for z buffer !\n");
2272 return -EINVAL;
2273 }
2274 size = track->zb.pitch * track->zb.cpp * track->maxy;
2275 size += track->zb.offset;
2276 if (size > radeon_bo_size(track->zb.robj)) {
2277 DRM_ERROR("[drm] Buffer too small for z buffer "
2278 "(need %lu have %lu) !\n", size,
2279 radeon_bo_size(track->zb.robj));
2280 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2281 track->zb.pitch, track->zb.cpp,
2282 track->zb.offset, track->maxy);
2283 return -EINVAL;
2284 }
2285 }
2286 track->zb_dirty = false;
2287
2288 if (track->aa_dirty && track->aaresolve) {
2289 if (track->aa.robj == NULL) {
2290 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
2291 return -EINVAL;
2292 }
2293 /* I believe the format comes from colorbuffer0. */
2294 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
2295 size += track->aa.offset;
2296 if (size > radeon_bo_size(track->aa.robj)) {
2297 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
2298 "(need %lu have %lu) !\n", i, size,
2299 radeon_bo_size(track->aa.robj));
2300 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
2301 i, track->aa.pitch, track->cb[0].cpp,
2302 track->aa.offset, track->maxy);
2303 return -EINVAL;
2304 }
2305 }
2306 track->aa_dirty = false;
2307
2308 prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2309 if (track->vap_vf_cntl & (1 << 14)) {
2310 nverts = track->vap_alt_nverts;
2311 } else {
2312 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2313 }
2314 switch (prim_walk) {
2315 case 1:
2316 for (i = 0; i < track->num_arrays; i++) {
2317 size = track->arrays[i].esize * track->max_indx * 4;
2318 if (track->arrays[i].robj == NULL) {
2319 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2320 "bound\n", prim_walk, i);
2321 return -EINVAL;
2322 }
2323 if (size > radeon_bo_size(track->arrays[i].robj)) {
2324 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2325 "need %lu dwords have %lu dwords\n",
2326 prim_walk, i, size >> 2,
2327 radeon_bo_size(track->arrays[i].robj)
2328 >> 2);
2329 DRM_ERROR("Max indices %u\n", track->max_indx);
2330 return -EINVAL;
2331 }
2332 }
2333 break;
2334 case 2:
2335 for (i = 0; i < track->num_arrays; i++) {
2336 size = track->arrays[i].esize * (nverts - 1) * 4;
2337 if (track->arrays[i].robj == NULL) {
2338 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2339 "bound\n", prim_walk, i);
2340 return -EINVAL;
2341 }
2342 if (size > radeon_bo_size(track->arrays[i].robj)) {
2343 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2344 "need %lu dwords have %lu dwords\n",
2345 prim_walk, i, size >> 2,
2346 radeon_bo_size(track->arrays[i].robj)
2347 >> 2);
2348 return -EINVAL;
2349 }
2350 }
2351 break;
2352 case 3:
2353 size = track->vtx_size * nverts;
2354 if (size != track->immd_dwords) {
2355 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2356 track->immd_dwords, size);
2357 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2358 nverts, track->vtx_size);
2359 return -EINVAL;
2360 }
2361 break;
2362 default:
2363 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2364 prim_walk);
2365 return -EINVAL;
2366 }
2367
2368 if (track->tex_dirty) {
2369 track->tex_dirty = false;
2370 return r100_cs_track_texture_check(rdev, track);
2371 }
2372 return 0;
2373 }
2374
r100_cs_track_clear(struct radeon_device * rdev,struct r100_cs_track * track)2375 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2376 {
2377 unsigned i, face;
2378
2379 track->cb_dirty = true;
2380 track->zb_dirty = true;
2381 track->tex_dirty = true;
2382 track->aa_dirty = true;
2383
2384 if (rdev->family < CHIP_R300) {
2385 track->num_cb = 1;
2386 if (rdev->family <= CHIP_RS200)
2387 track->num_texture = 3;
2388 else
2389 track->num_texture = 6;
2390 track->maxy = 2048;
2391 track->separate_cube = 1;
2392 } else {
2393 track->num_cb = 4;
2394 track->num_texture = 16;
2395 track->maxy = 4096;
2396 track->separate_cube = 0;
2397 track->aaresolve = false;
2398 track->aa.robj = NULL;
2399 }
2400
2401 for (i = 0; i < track->num_cb; i++) {
2402 track->cb[i].robj = NULL;
2403 track->cb[i].pitch = 8192;
2404 track->cb[i].cpp = 16;
2405 track->cb[i].offset = 0;
2406 }
2407 track->z_enabled = true;
2408 track->zb.robj = NULL;
2409 track->zb.pitch = 8192;
2410 track->zb.cpp = 4;
2411 track->zb.offset = 0;
2412 track->vtx_size = 0x7F;
2413 track->immd_dwords = 0xFFFFFFFFUL;
2414 track->num_arrays = 11;
2415 track->max_indx = 0x00FFFFFFUL;
2416 for (i = 0; i < track->num_arrays; i++) {
2417 track->arrays[i].robj = NULL;
2418 track->arrays[i].esize = 0x7F;
2419 }
2420 for (i = 0; i < track->num_texture; i++) {
2421 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
2422 track->textures[i].pitch = 16536;
2423 track->textures[i].width = 16536;
2424 track->textures[i].height = 16536;
2425 track->textures[i].width_11 = 1 << 11;
2426 track->textures[i].height_11 = 1 << 11;
2427 track->textures[i].num_levels = 12;
2428 if (rdev->family <= CHIP_RS200) {
2429 track->textures[i].tex_coord_type = 0;
2430 track->textures[i].txdepth = 0;
2431 } else {
2432 track->textures[i].txdepth = 16;
2433 track->textures[i].tex_coord_type = 1;
2434 }
2435 track->textures[i].cpp = 64;
2436 track->textures[i].robj = NULL;
2437 /* CS IB emission code makes sure texture unit are disabled */
2438 track->textures[i].enabled = false;
2439 track->textures[i].lookup_disable = false;
2440 track->textures[i].roundup_w = true;
2441 track->textures[i].roundup_h = true;
2442 if (track->separate_cube)
2443 for (face = 0; face < 5; face++) {
2444 track->textures[i].cube_info[face].robj = NULL;
2445 track->textures[i].cube_info[face].width = 16536;
2446 track->textures[i].cube_info[face].height = 16536;
2447 track->textures[i].cube_info[face].offset = 0;
2448 }
2449 }
2450 }
2451
2452 /*
2453 * Global GPU functions
2454 */
r100_errata(struct radeon_device * rdev)2455 static void r100_errata(struct radeon_device *rdev)
2456 {
2457 rdev->pll_errata = 0;
2458
2459 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2460 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2461 }
2462
2463 if (rdev->family == CHIP_RV100 ||
2464 rdev->family == CHIP_RS100 ||
2465 rdev->family == CHIP_RS200) {
2466 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2467 }
2468 }
2469
r100_rbbm_fifo_wait_for_entry(struct radeon_device * rdev,unsigned n)2470 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2471 {
2472 unsigned i;
2473 uint32_t tmp;
2474
2475 for (i = 0; i < rdev->usec_timeout; i++) {
2476 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2477 if (tmp >= n) {
2478 return 0;
2479 }
2480 DRM_UDELAY(1);
2481 }
2482 return -1;
2483 }
2484
r100_gui_wait_for_idle(struct radeon_device * rdev)2485 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2486 {
2487 unsigned i;
2488 uint32_t tmp;
2489
2490 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2491 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
2492 " Bad things might happen.\n");
2493 }
2494 for (i = 0; i < rdev->usec_timeout; i++) {
2495 tmp = RREG32(RADEON_RBBM_STATUS);
2496 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2497 return 0;
2498 }
2499 DRM_UDELAY(1);
2500 }
2501 return -1;
2502 }
2503
r100_mc_wait_for_idle(struct radeon_device * rdev)2504 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2505 {
2506 unsigned i;
2507 uint32_t tmp;
2508
2509 for (i = 0; i < rdev->usec_timeout; i++) {
2510 /* read MC_STATUS */
2511 tmp = RREG32(RADEON_MC_STATUS);
2512 if (tmp & RADEON_MC_IDLE) {
2513 return 0;
2514 }
2515 DRM_UDELAY(1);
2516 }
2517 return -1;
2518 }
2519
r100_gpu_is_lockup(struct radeon_device * rdev,struct radeon_ring * ring)2520 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2521 {
2522 u32 rbbm_status;
2523
2524 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2525 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2526 radeon_ring_lockup_update(rdev, ring);
2527 return false;
2528 }
2529 return radeon_ring_test_lockup(rdev, ring);
2530 }
2531
2532 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
r100_enable_bm(struct radeon_device * rdev)2533 void r100_enable_bm(struct radeon_device *rdev)
2534 {
2535 uint32_t tmp;
2536 /* Enable bus mastering */
2537 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
2538 WREG32(RADEON_BUS_CNTL, tmp);
2539 }
2540
r100_bm_disable(struct radeon_device * rdev)2541 void r100_bm_disable(struct radeon_device *rdev)
2542 {
2543 u32 tmp;
2544
2545 /* disable bus mastering */
2546 tmp = RREG32(R_000030_BUS_CNTL);
2547 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2548 mdelay(1);
2549 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2550 mdelay(1);
2551 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2552 tmp = RREG32(RADEON_BUS_CNTL);
2553 mdelay(1);
2554 pci_clear_master(rdev->pdev);
2555 mdelay(1);
2556 }
2557
r100_asic_reset(struct radeon_device * rdev)2558 int r100_asic_reset(struct radeon_device *rdev)
2559 {
2560 struct r100_mc_save save;
2561 u32 status, tmp;
2562 int ret = 0;
2563
2564 status = RREG32(R_000E40_RBBM_STATUS);
2565 if (!G_000E40_GUI_ACTIVE(status)) {
2566 return 0;
2567 }
2568 r100_mc_stop(rdev, &save);
2569 status = RREG32(R_000E40_RBBM_STATUS);
2570 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2571 /* stop CP */
2572 WREG32(RADEON_CP_CSQ_CNTL, 0);
2573 tmp = RREG32(RADEON_CP_RB_CNTL);
2574 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2575 WREG32(RADEON_CP_RB_RPTR_WR, 0);
2576 WREG32(RADEON_CP_RB_WPTR, 0);
2577 WREG32(RADEON_CP_RB_CNTL, tmp);
2578 /* save PCI state */
2579 pci_save_state(rdev->pdev);
2580 /* disable bus mastering */
2581 r100_bm_disable(rdev);
2582 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2583 S_0000F0_SOFT_RESET_RE(1) |
2584 S_0000F0_SOFT_RESET_PP(1) |
2585 S_0000F0_SOFT_RESET_RB(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 /* reset CP */
2593 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2594 RREG32(R_0000F0_RBBM_SOFT_RESET);
2595 mdelay(500);
2596 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2597 mdelay(1);
2598 status = RREG32(R_000E40_RBBM_STATUS);
2599 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2600 /* restore PCI & busmastering */
2601 pci_restore_state(rdev->pdev);
2602 r100_enable_bm(rdev);
2603 /* Check if GPU is idle */
2604 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2605 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2606 dev_err(rdev->dev, "failed to reset GPU\n");
2607 ret = -1;
2608 } else
2609 dev_info(rdev->dev, "GPU reset succeed\n");
2610 r100_mc_resume(rdev, &save);
2611 return ret;
2612 }
2613
r100_set_common_regs(struct radeon_device * rdev)2614 void r100_set_common_regs(struct radeon_device *rdev)
2615 {
2616 struct drm_device *dev = rdev->ddev;
2617 bool force_dac2 = false;
2618 u32 tmp;
2619
2620 /* set these so they don't interfere with anything */
2621 WREG32(RADEON_OV0_SCALE_CNTL, 0);
2622 WREG32(RADEON_SUBPIC_CNTL, 0);
2623 WREG32(RADEON_VIPH_CONTROL, 0);
2624 WREG32(RADEON_I2C_CNTL_1, 0);
2625 WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2626 WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2627 WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2628
2629 /* always set up dac2 on rn50 and some rv100 as lots
2630 * of servers seem to wire it up to a VGA port but
2631 * don't report it in the bios connector
2632 * table.
2633 */
2634 switch (dev->pdev->device) {
2635 /* RN50 */
2636 case 0x515e:
2637 case 0x5969:
2638 force_dac2 = true;
2639 break;
2640 /* RV100*/
2641 case 0x5159:
2642 case 0x515a:
2643 /* DELL triple head servers */
2644 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2645 ((dev->pdev->subsystem_device == 0x016c) ||
2646 (dev->pdev->subsystem_device == 0x016d) ||
2647 (dev->pdev->subsystem_device == 0x016e) ||
2648 (dev->pdev->subsystem_device == 0x016f) ||
2649 (dev->pdev->subsystem_device == 0x0170) ||
2650 (dev->pdev->subsystem_device == 0x017d) ||
2651 (dev->pdev->subsystem_device == 0x017e) ||
2652 (dev->pdev->subsystem_device == 0x0183) ||
2653 (dev->pdev->subsystem_device == 0x018a) ||
2654 (dev->pdev->subsystem_device == 0x019a)))
2655 force_dac2 = true;
2656 break;
2657 }
2658
2659 if (force_dac2) {
2660 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2661 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2662 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2663
2664 /* For CRT on DAC2, don't turn it on if BIOS didn't
2665 enable it, even it's detected.
2666 */
2667
2668 /* force it to crtc0 */
2669 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2670 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2671 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2672
2673 /* set up the TV DAC */
2674 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2675 RADEON_TV_DAC_STD_MASK |
2676 RADEON_TV_DAC_RDACPD |
2677 RADEON_TV_DAC_GDACPD |
2678 RADEON_TV_DAC_BDACPD |
2679 RADEON_TV_DAC_BGADJ_MASK |
2680 RADEON_TV_DAC_DACADJ_MASK);
2681 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2682 RADEON_TV_DAC_NHOLD |
2683 RADEON_TV_DAC_STD_PS2 |
2684 (0x58 << 16));
2685
2686 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2687 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2688 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2689 }
2690
2691 /* switch PM block to ACPI mode */
2692 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2693 tmp &= ~RADEON_PM_MODE_SEL;
2694 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2695
2696 }
2697
2698 /*
2699 * VRAM info
2700 */
r100_vram_get_type(struct radeon_device * rdev)2701 static void r100_vram_get_type(struct radeon_device *rdev)
2702 {
2703 uint32_t tmp;
2704
2705 rdev->mc.vram_is_ddr = false;
2706 if (rdev->flags & RADEON_IS_IGP)
2707 rdev->mc.vram_is_ddr = true;
2708 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2709 rdev->mc.vram_is_ddr = true;
2710 if ((rdev->family == CHIP_RV100) ||
2711 (rdev->family == CHIP_RS100) ||
2712 (rdev->family == CHIP_RS200)) {
2713 tmp = RREG32(RADEON_MEM_CNTL);
2714 if (tmp & RV100_HALF_MODE) {
2715 rdev->mc.vram_width = 32;
2716 } else {
2717 rdev->mc.vram_width = 64;
2718 }
2719 if (rdev->flags & RADEON_SINGLE_CRTC) {
2720 rdev->mc.vram_width /= 4;
2721 rdev->mc.vram_is_ddr = true;
2722 }
2723 } else if (rdev->family <= CHIP_RV280) {
2724 tmp = RREG32(RADEON_MEM_CNTL);
2725 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2726 rdev->mc.vram_width = 128;
2727 } else {
2728 rdev->mc.vram_width = 64;
2729 }
2730 } else {
2731 /* newer IGPs */
2732 rdev->mc.vram_width = 128;
2733 }
2734 }
2735
r100_get_accessible_vram(struct radeon_device * rdev)2736 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2737 {
2738 u32 aper_size;
2739 u8 byte;
2740
2741 aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2742
2743 /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2744 * that is has the 2nd generation multifunction PCI interface
2745 */
2746 if (rdev->family == CHIP_RV280 ||
2747 rdev->family >= CHIP_RV350) {
2748 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2749 ~RADEON_HDP_APER_CNTL);
2750 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2751 return aper_size * 2;
2752 }
2753
2754 /* Older cards have all sorts of funny issues to deal with. First
2755 * check if it's a multifunction card by reading the PCI config
2756 * header type... Limit those to one aperture size
2757 */
2758 pci_read_config_byte(rdev->pdev, 0xe, &byte);
2759 if (byte & 0x80) {
2760 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2761 DRM_INFO("Limiting VRAM to one aperture\n");
2762 return aper_size;
2763 }
2764
2765 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2766 * have set it up. We don't write this as it's broken on some ASICs but
2767 * we expect the BIOS to have done the right thing (might be too optimistic...)
2768 */
2769 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2770 return aper_size * 2;
2771 return aper_size;
2772 }
2773
r100_vram_init_sizes(struct radeon_device * rdev)2774 void r100_vram_init_sizes(struct radeon_device *rdev)
2775 {
2776 u64 config_aper_size;
2777
2778 /* work out accessible VRAM */
2779 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2780 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2781 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2782 /* FIXME we don't use the second aperture yet when we could use it */
2783 if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2784 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2785 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2786 if (rdev->flags & RADEON_IS_IGP) {
2787 uint32_t tom;
2788 /* read NB_TOM to get the amount of ram stolen for the GPU */
2789 tom = RREG32(RADEON_NB_TOM);
2790 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2791 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2792 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2793 } else {
2794 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2795 /* Some production boards of m6 will report 0
2796 * if it's 8 MB
2797 */
2798 if (rdev->mc.real_vram_size == 0) {
2799 rdev->mc.real_vram_size = 8192 * 1024;
2800 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2801 }
2802 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2803 * Novell bug 204882 + along with lots of ubuntu ones
2804 */
2805 if (rdev->mc.aper_size > config_aper_size)
2806 config_aper_size = rdev->mc.aper_size;
2807
2808 if (config_aper_size > rdev->mc.real_vram_size)
2809 rdev->mc.mc_vram_size = config_aper_size;
2810 else
2811 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2812 }
2813 }
2814
r100_vga_set_state(struct radeon_device * rdev,bool state)2815 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2816 {
2817 uint32_t temp;
2818
2819 temp = RREG32(RADEON_CONFIG_CNTL);
2820 if (state == false) {
2821 temp &= ~RADEON_CFG_VGA_RAM_EN;
2822 temp |= RADEON_CFG_VGA_IO_DIS;
2823 } else {
2824 temp &= ~RADEON_CFG_VGA_IO_DIS;
2825 }
2826 WREG32(RADEON_CONFIG_CNTL, temp);
2827 }
2828
r100_mc_init(struct radeon_device * rdev)2829 static void r100_mc_init(struct radeon_device *rdev)
2830 {
2831 u64 base;
2832
2833 r100_vram_get_type(rdev);
2834 r100_vram_init_sizes(rdev);
2835 base = rdev->mc.aper_base;
2836 if (rdev->flags & RADEON_IS_IGP)
2837 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2838 radeon_vram_location(rdev, &rdev->mc, base);
2839 rdev->mc.gtt_base_align = 0;
2840 if (!(rdev->flags & RADEON_IS_AGP))
2841 radeon_gtt_location(rdev, &rdev->mc);
2842 radeon_update_bandwidth_info(rdev);
2843 }
2844
2845
2846 /*
2847 * Indirect registers accessor
2848 */
r100_pll_errata_after_index(struct radeon_device * rdev)2849 void r100_pll_errata_after_index(struct radeon_device *rdev)
2850 {
2851 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2852 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2853 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2854 }
2855 }
2856
r100_pll_errata_after_data(struct radeon_device * rdev)2857 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2858 {
2859 /* This workarounds is necessary on RV100, RS100 and RS200 chips
2860 * or the chip could hang on a subsequent access
2861 */
2862 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2863 mdelay(5);
2864 }
2865
2866 /* This function is required to workaround a hardware bug in some (all?)
2867 * revisions of the R300. This workaround should be called after every
2868 * CLOCK_CNTL_INDEX register access. If not, register reads afterward
2869 * may not be correct.
2870 */
2871 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2872 uint32_t save, tmp;
2873
2874 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2875 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2876 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2877 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2878 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2879 }
2880 }
2881
r100_pll_rreg(struct radeon_device * rdev,uint32_t reg)2882 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2883 {
2884 unsigned long flags;
2885 uint32_t data;
2886
2887 spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2888 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2889 r100_pll_errata_after_index(rdev);
2890 data = RREG32(RADEON_CLOCK_CNTL_DATA);
2891 r100_pll_errata_after_data(rdev);
2892 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2893 return data;
2894 }
2895
r100_pll_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v)2896 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2897 {
2898 unsigned long flags;
2899
2900 spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2901 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2902 r100_pll_errata_after_index(rdev);
2903 WREG32(RADEON_CLOCK_CNTL_DATA, v);
2904 r100_pll_errata_after_data(rdev);
2905 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2906 }
2907
r100_set_safe_registers(struct radeon_device * rdev)2908 static void r100_set_safe_registers(struct radeon_device *rdev)
2909 {
2910 if (ASIC_IS_RN50(rdev)) {
2911 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2912 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2913 } else if (rdev->family < CHIP_R200) {
2914 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2915 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2916 } else {
2917 r200_set_safe_registers(rdev);
2918 }
2919 }
2920
2921 /*
2922 * Debugfs info
2923 */
2924 #if defined(CONFIG_DEBUG_FS)
r100_debugfs_rbbm_info(struct seq_file * m,void * data)2925 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2926 {
2927 struct drm_info_node *node = (struct drm_info_node *) m->private;
2928 struct drm_device *dev = node->minor->dev;
2929 struct radeon_device *rdev = dev->dev_private;
2930 uint32_t reg, value;
2931 unsigned i;
2932
2933 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2934 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2935 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2936 for (i = 0; i < 64; i++) {
2937 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2938 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2939 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2940 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2941 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2942 }
2943 return 0;
2944 }
2945
r100_debugfs_cp_ring_info(struct seq_file * m,void * data)2946 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2947 {
2948 struct drm_info_node *node = (struct drm_info_node *) m->private;
2949 struct drm_device *dev = node->minor->dev;
2950 struct radeon_device *rdev = dev->dev_private;
2951 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2952 uint32_t rdp, wdp;
2953 unsigned count, i, j;
2954
2955 radeon_ring_free_size(rdev, ring);
2956 rdp = RREG32(RADEON_CP_RB_RPTR);
2957 wdp = RREG32(RADEON_CP_RB_WPTR);
2958 count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
2959 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2960 seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2961 seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2962 seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
2963 seq_printf(m, "%u dwords in ring\n", count);
2964 if (ring->ready) {
2965 for (j = 0; j <= count; j++) {
2966 i = (rdp + j) & ring->ptr_mask;
2967 seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
2968 }
2969 }
2970 return 0;
2971 }
2972
2973
r100_debugfs_cp_csq_fifo(struct seq_file * m,void * data)2974 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2975 {
2976 struct drm_info_node *node = (struct drm_info_node *) m->private;
2977 struct drm_device *dev = node->minor->dev;
2978 struct radeon_device *rdev = dev->dev_private;
2979 uint32_t csq_stat, csq2_stat, tmp;
2980 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2981 unsigned i;
2982
2983 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2984 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2985 csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2986 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2987 r_rptr = (csq_stat >> 0) & 0x3ff;
2988 r_wptr = (csq_stat >> 10) & 0x3ff;
2989 ib1_rptr = (csq_stat >> 20) & 0x3ff;
2990 ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2991 ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2992 ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2993 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2994 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2995 seq_printf(m, "Ring rptr %u\n", r_rptr);
2996 seq_printf(m, "Ring wptr %u\n", r_wptr);
2997 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2998 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2999 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
3000 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
3001 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
3002 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
3003 seq_printf(m, "Ring fifo:\n");
3004 for (i = 0; i < 256; i++) {
3005 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3006 tmp = RREG32(RADEON_CP_CSQ_DATA);
3007 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
3008 }
3009 seq_printf(m, "Indirect1 fifo:\n");
3010 for (i = 256; i <= 512; i++) {
3011 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3012 tmp = RREG32(RADEON_CP_CSQ_DATA);
3013 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
3014 }
3015 seq_printf(m, "Indirect2 fifo:\n");
3016 for (i = 640; i < ib1_wptr; i++) {
3017 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3018 tmp = RREG32(RADEON_CP_CSQ_DATA);
3019 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
3020 }
3021 return 0;
3022 }
3023
r100_debugfs_mc_info(struct seq_file * m,void * data)3024 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
3025 {
3026 struct drm_info_node *node = (struct drm_info_node *) m->private;
3027 struct drm_device *dev = node->minor->dev;
3028 struct radeon_device *rdev = dev->dev_private;
3029 uint32_t tmp;
3030
3031 tmp = RREG32(RADEON_CONFIG_MEMSIZE);
3032 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
3033 tmp = RREG32(RADEON_MC_FB_LOCATION);
3034 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
3035 tmp = RREG32(RADEON_BUS_CNTL);
3036 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
3037 tmp = RREG32(RADEON_MC_AGP_LOCATION);
3038 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
3039 tmp = RREG32(RADEON_AGP_BASE);
3040 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
3041 tmp = RREG32(RADEON_HOST_PATH_CNTL);
3042 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
3043 tmp = RREG32(0x01D0);
3044 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
3045 tmp = RREG32(RADEON_AIC_LO_ADDR);
3046 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
3047 tmp = RREG32(RADEON_AIC_HI_ADDR);
3048 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
3049 tmp = RREG32(0x01E4);
3050 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
3051 return 0;
3052 }
3053
3054 static struct drm_info_list r100_debugfs_rbbm_list[] = {
3055 {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
3056 };
3057
3058 static struct drm_info_list r100_debugfs_cp_list[] = {
3059 {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
3060 {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
3061 };
3062
3063 static struct drm_info_list r100_debugfs_mc_info_list[] = {
3064 {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
3065 };
3066 #endif
3067
r100_debugfs_rbbm_init(struct radeon_device * rdev)3068 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
3069 {
3070 #if defined(CONFIG_DEBUG_FS)
3071 return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
3072 #else
3073 return 0;
3074 #endif
3075 }
3076
r100_debugfs_cp_init(struct radeon_device * rdev)3077 int r100_debugfs_cp_init(struct radeon_device *rdev)
3078 {
3079 #if defined(CONFIG_DEBUG_FS)
3080 return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
3081 #else
3082 return 0;
3083 #endif
3084 }
3085
r100_debugfs_mc_info_init(struct radeon_device * rdev)3086 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
3087 {
3088 #if defined(CONFIG_DEBUG_FS)
3089 return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
3090 #else
3091 return 0;
3092 #endif
3093 }
3094
r100_set_surface_reg(struct radeon_device * rdev,int reg,uint32_t tiling_flags,uint32_t pitch,uint32_t offset,uint32_t obj_size)3095 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
3096 uint32_t tiling_flags, uint32_t pitch,
3097 uint32_t offset, uint32_t obj_size)
3098 {
3099 int surf_index = reg * 16;
3100 int flags = 0;
3101
3102 if (rdev->family <= CHIP_RS200) {
3103 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3104 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3105 flags |= RADEON_SURF_TILE_COLOR_BOTH;
3106 if (tiling_flags & RADEON_TILING_MACRO)
3107 flags |= RADEON_SURF_TILE_COLOR_MACRO;
3108 /* setting pitch to 0 disables tiling */
3109 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3110 == 0)
3111 pitch = 0;
3112 } else if (rdev->family <= CHIP_RV280) {
3113 if (tiling_flags & (RADEON_TILING_MACRO))
3114 flags |= R200_SURF_TILE_COLOR_MACRO;
3115 if (tiling_flags & RADEON_TILING_MICRO)
3116 flags |= R200_SURF_TILE_COLOR_MICRO;
3117 } else {
3118 if (tiling_flags & RADEON_TILING_MACRO)
3119 flags |= R300_SURF_TILE_MACRO;
3120 if (tiling_flags & RADEON_TILING_MICRO)
3121 flags |= R300_SURF_TILE_MICRO;
3122 }
3123
3124 if (tiling_flags & RADEON_TILING_SWAP_16BIT)
3125 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
3126 if (tiling_flags & RADEON_TILING_SWAP_32BIT)
3127 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
3128
3129 /* r100/r200 divide by 16 */
3130 if (rdev->family < CHIP_R300)
3131 flags |= pitch / 16;
3132 else
3133 flags |= pitch / 8;
3134
3135
3136 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
3137 WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
3138 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
3139 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
3140 return 0;
3141 }
3142
r100_clear_surface_reg(struct radeon_device * rdev,int reg)3143 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
3144 {
3145 int surf_index = reg * 16;
3146 WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
3147 }
3148
r100_bandwidth_update(struct radeon_device * rdev)3149 void r100_bandwidth_update(struct radeon_device *rdev)
3150 {
3151 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
3152 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
3153 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
3154 uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
3155 fixed20_12 memtcas_ff[8] = {
3156 dfixed_init(1),
3157 dfixed_init(2),
3158 dfixed_init(3),
3159 dfixed_init(0),
3160 dfixed_init_half(1),
3161 dfixed_init_half(2),
3162 dfixed_init(0),
3163 };
3164 fixed20_12 memtcas_rs480_ff[8] = {
3165 dfixed_init(0),
3166 dfixed_init(1),
3167 dfixed_init(2),
3168 dfixed_init(3),
3169 dfixed_init(0),
3170 dfixed_init_half(1),
3171 dfixed_init_half(2),
3172 dfixed_init_half(3),
3173 };
3174 fixed20_12 memtcas2_ff[8] = {
3175 dfixed_init(0),
3176 dfixed_init(1),
3177 dfixed_init(2),
3178 dfixed_init(3),
3179 dfixed_init(4),
3180 dfixed_init(5),
3181 dfixed_init(6),
3182 dfixed_init(7),
3183 };
3184 fixed20_12 memtrbs[8] = {
3185 dfixed_init(1),
3186 dfixed_init_half(1),
3187 dfixed_init(2),
3188 dfixed_init_half(2),
3189 dfixed_init(3),
3190 dfixed_init_half(3),
3191 dfixed_init(4),
3192 dfixed_init_half(4)
3193 };
3194 fixed20_12 memtrbs_r4xx[8] = {
3195 dfixed_init(4),
3196 dfixed_init(5),
3197 dfixed_init(6),
3198 dfixed_init(7),
3199 dfixed_init(8),
3200 dfixed_init(9),
3201 dfixed_init(10),
3202 dfixed_init(11)
3203 };
3204 fixed20_12 min_mem_eff;
3205 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
3206 fixed20_12 cur_latency_mclk, cur_latency_sclk;
3207 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
3208 disp_drain_rate2, read_return_rate;
3209 fixed20_12 time_disp1_drop_priority;
3210 int c;
3211 int cur_size = 16; /* in octawords */
3212 int critical_point = 0, critical_point2;
3213 /* uint32_t read_return_rate, time_disp1_drop_priority; */
3214 int stop_req, max_stop_req;
3215 struct drm_display_mode *mode1 = NULL;
3216 struct drm_display_mode *mode2 = NULL;
3217 uint32_t pixel_bytes1 = 0;
3218 uint32_t pixel_bytes2 = 0;
3219
3220 /* Guess line buffer size to be 8192 pixels */
3221 u32 lb_size = 8192;
3222
3223 if (!rdev->mode_info.mode_config_initialized)
3224 return;
3225
3226 radeon_update_display_priority(rdev);
3227
3228 if (rdev->mode_info.crtcs[0]->base.enabled) {
3229 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
3230 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.primary->fb->bits_per_pixel / 8;
3231 }
3232 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3233 if (rdev->mode_info.crtcs[1]->base.enabled) {
3234 mode2 = &rdev->mode_info.crtcs[1]->base.mode;
3235 pixel_bytes2 = rdev->mode_info.crtcs[1]->base.primary->fb->bits_per_pixel / 8;
3236 }
3237 }
3238
3239 min_mem_eff.full = dfixed_const_8(0);
3240 /* get modes */
3241 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
3242 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
3243 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
3244 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
3245 /* check crtc enables */
3246 if (mode2)
3247 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
3248 if (mode1)
3249 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
3250 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
3251 }
3252
3253 /*
3254 * determine is there is enough bw for current mode
3255 */
3256 sclk_ff = rdev->pm.sclk;
3257 mclk_ff = rdev->pm.mclk;
3258
3259 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
3260 temp_ff.full = dfixed_const(temp);
3261 mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
3262
3263 pix_clk.full = 0;
3264 pix_clk2.full = 0;
3265 peak_disp_bw.full = 0;
3266 if (mode1) {
3267 temp_ff.full = dfixed_const(1000);
3268 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
3269 pix_clk.full = dfixed_div(pix_clk, temp_ff);
3270 temp_ff.full = dfixed_const(pixel_bytes1);
3271 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
3272 }
3273 if (mode2) {
3274 temp_ff.full = dfixed_const(1000);
3275 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
3276 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
3277 temp_ff.full = dfixed_const(pixel_bytes2);
3278 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
3279 }
3280
3281 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
3282 if (peak_disp_bw.full >= mem_bw.full) {
3283 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
3284 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
3285 }
3286
3287 /* Get values from the EXT_MEM_CNTL register...converting its contents. */
3288 temp = RREG32(RADEON_MEM_TIMING_CNTL);
3289 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
3290 mem_trcd = ((temp >> 2) & 0x3) + 1;
3291 mem_trp = ((temp & 0x3)) + 1;
3292 mem_tras = ((temp & 0x70) >> 4) + 1;
3293 } else if (rdev->family == CHIP_R300 ||
3294 rdev->family == CHIP_R350) { /* r300, r350 */
3295 mem_trcd = (temp & 0x7) + 1;
3296 mem_trp = ((temp >> 8) & 0x7) + 1;
3297 mem_tras = ((temp >> 11) & 0xf) + 4;
3298 } else if (rdev->family == CHIP_RV350 ||
3299 rdev->family <= CHIP_RV380) {
3300 /* rv3x0 */
3301 mem_trcd = (temp & 0x7) + 3;
3302 mem_trp = ((temp >> 8) & 0x7) + 3;
3303 mem_tras = ((temp >> 11) & 0xf) + 6;
3304 } else if (rdev->family == CHIP_R420 ||
3305 rdev->family == CHIP_R423 ||
3306 rdev->family == CHIP_RV410) {
3307 /* r4xx */
3308 mem_trcd = (temp & 0xf) + 3;
3309 if (mem_trcd > 15)
3310 mem_trcd = 15;
3311 mem_trp = ((temp >> 8) & 0xf) + 3;
3312 if (mem_trp > 15)
3313 mem_trp = 15;
3314 mem_tras = ((temp >> 12) & 0x1f) + 6;
3315 if (mem_tras > 31)
3316 mem_tras = 31;
3317 } else { /* RV200, R200 */
3318 mem_trcd = (temp & 0x7) + 1;
3319 mem_trp = ((temp >> 8) & 0x7) + 1;
3320 mem_tras = ((temp >> 12) & 0xf) + 4;
3321 }
3322 /* convert to FF */
3323 trcd_ff.full = dfixed_const(mem_trcd);
3324 trp_ff.full = dfixed_const(mem_trp);
3325 tras_ff.full = dfixed_const(mem_tras);
3326
3327 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3328 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3329 data = (temp & (7 << 20)) >> 20;
3330 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3331 if (rdev->family == CHIP_RS480) /* don't think rs400 */
3332 tcas_ff = memtcas_rs480_ff[data];
3333 else
3334 tcas_ff = memtcas_ff[data];
3335 } else
3336 tcas_ff = memtcas2_ff[data];
3337
3338 if (rdev->family == CHIP_RS400 ||
3339 rdev->family == CHIP_RS480) {
3340 /* extra cas latency stored in bits 23-25 0-4 clocks */
3341 data = (temp >> 23) & 0x7;
3342 if (data < 5)
3343 tcas_ff.full += dfixed_const(data);
3344 }
3345
3346 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3347 /* on the R300, Tcas is included in Trbs.
3348 */
3349 temp = RREG32(RADEON_MEM_CNTL);
3350 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3351 if (data == 1) {
3352 if (R300_MEM_USE_CD_CH_ONLY & temp) {
3353 temp = RREG32(R300_MC_IND_INDEX);
3354 temp &= ~R300_MC_IND_ADDR_MASK;
3355 temp |= R300_MC_READ_CNTL_CD_mcind;
3356 WREG32(R300_MC_IND_INDEX, temp);
3357 temp = RREG32(R300_MC_IND_DATA);
3358 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3359 } else {
3360 temp = RREG32(R300_MC_READ_CNTL_AB);
3361 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3362 }
3363 } else {
3364 temp = RREG32(R300_MC_READ_CNTL_AB);
3365 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3366 }
3367 if (rdev->family == CHIP_RV410 ||
3368 rdev->family == CHIP_R420 ||
3369 rdev->family == CHIP_R423)
3370 trbs_ff = memtrbs_r4xx[data];
3371 else
3372 trbs_ff = memtrbs[data];
3373 tcas_ff.full += trbs_ff.full;
3374 }
3375
3376 sclk_eff_ff.full = sclk_ff.full;
3377
3378 if (rdev->flags & RADEON_IS_AGP) {
3379 fixed20_12 agpmode_ff;
3380 agpmode_ff.full = dfixed_const(radeon_agpmode);
3381 temp_ff.full = dfixed_const_666(16);
3382 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3383 }
3384 /* TODO PCIE lanes may affect this - agpmode == 16?? */
3385
3386 if (ASIC_IS_R300(rdev)) {
3387 sclk_delay_ff.full = dfixed_const(250);
3388 } else {
3389 if ((rdev->family == CHIP_RV100) ||
3390 rdev->flags & RADEON_IS_IGP) {
3391 if (rdev->mc.vram_is_ddr)
3392 sclk_delay_ff.full = dfixed_const(41);
3393 else
3394 sclk_delay_ff.full = dfixed_const(33);
3395 } else {
3396 if (rdev->mc.vram_width == 128)
3397 sclk_delay_ff.full = dfixed_const(57);
3398 else
3399 sclk_delay_ff.full = dfixed_const(41);
3400 }
3401 }
3402
3403 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3404
3405 if (rdev->mc.vram_is_ddr) {
3406 if (rdev->mc.vram_width == 32) {
3407 k1.full = dfixed_const(40);
3408 c = 3;
3409 } else {
3410 k1.full = dfixed_const(20);
3411 c = 1;
3412 }
3413 } else {
3414 k1.full = dfixed_const(40);
3415 c = 3;
3416 }
3417
3418 temp_ff.full = dfixed_const(2);
3419 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3420 temp_ff.full = dfixed_const(c);
3421 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3422 temp_ff.full = dfixed_const(4);
3423 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3424 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3425 mc_latency_mclk.full += k1.full;
3426
3427 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3428 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3429
3430 /*
3431 HW cursor time assuming worst case of full size colour cursor.
3432 */
3433 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3434 temp_ff.full += trcd_ff.full;
3435 if (temp_ff.full < tras_ff.full)
3436 temp_ff.full = tras_ff.full;
3437 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3438
3439 temp_ff.full = dfixed_const(cur_size);
3440 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3441 /*
3442 Find the total latency for the display data.
3443 */
3444 disp_latency_overhead.full = dfixed_const(8);
3445 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3446 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3447 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3448
3449 if (mc_latency_mclk.full > mc_latency_sclk.full)
3450 disp_latency.full = mc_latency_mclk.full;
3451 else
3452 disp_latency.full = mc_latency_sclk.full;
3453
3454 /* setup Max GRPH_STOP_REQ default value */
3455 if (ASIC_IS_RV100(rdev))
3456 max_stop_req = 0x5c;
3457 else
3458 max_stop_req = 0x7c;
3459
3460 if (mode1) {
3461 /* CRTC1
3462 Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3463 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3464 */
3465 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3466
3467 if (stop_req > max_stop_req)
3468 stop_req = max_stop_req;
3469
3470 /*
3471 Find the drain rate of the display buffer.
3472 */
3473 temp_ff.full = dfixed_const((16/pixel_bytes1));
3474 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3475
3476 /*
3477 Find the critical point of the display buffer.
3478 */
3479 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3480 crit_point_ff.full += dfixed_const_half(0);
3481
3482 critical_point = dfixed_trunc(crit_point_ff);
3483
3484 if (rdev->disp_priority == 2) {
3485 critical_point = 0;
3486 }
3487
3488 /*
3489 The critical point should never be above max_stop_req-4. Setting
3490 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3491 */
3492 if (max_stop_req - critical_point < 4)
3493 critical_point = 0;
3494
3495 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3496 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3497 critical_point = 0x10;
3498 }
3499
3500 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3501 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3502 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3503 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3504 if ((rdev->family == CHIP_R350) &&
3505 (stop_req > 0x15)) {
3506 stop_req -= 0x10;
3507 }
3508 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3509 temp |= RADEON_GRPH_BUFFER_SIZE;
3510 temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
3511 RADEON_GRPH_CRITICAL_AT_SOF |
3512 RADEON_GRPH_STOP_CNTL);
3513 /*
3514 Write the result into the register.
3515 */
3516 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3517 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3518
3519 #if 0
3520 if ((rdev->family == CHIP_RS400) ||
3521 (rdev->family == CHIP_RS480)) {
3522 /* attempt to program RS400 disp regs correctly ??? */
3523 temp = RREG32(RS400_DISP1_REG_CNTL);
3524 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3525 RS400_DISP1_STOP_REQ_LEVEL_MASK);
3526 WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3527 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3528 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3529 temp = RREG32(RS400_DMIF_MEM_CNTL1);
3530 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3531 RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3532 WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3533 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3534 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3535 }
3536 #endif
3537
3538 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3539 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
3540 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3541 }
3542
3543 if (mode2) {
3544 u32 grph2_cntl;
3545 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3546
3547 if (stop_req > max_stop_req)
3548 stop_req = max_stop_req;
3549
3550 /*
3551 Find the drain rate of the display buffer.
3552 */
3553 temp_ff.full = dfixed_const((16/pixel_bytes2));
3554 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3555
3556 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3557 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3558 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3559 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3560 if ((rdev->family == CHIP_R350) &&
3561 (stop_req > 0x15)) {
3562 stop_req -= 0x10;
3563 }
3564 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3565 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3566 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
3567 RADEON_GRPH_CRITICAL_AT_SOF |
3568 RADEON_GRPH_STOP_CNTL);
3569
3570 if ((rdev->family == CHIP_RS100) ||
3571 (rdev->family == CHIP_RS200))
3572 critical_point2 = 0;
3573 else {
3574 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3575 temp_ff.full = dfixed_const(temp);
3576 temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3577 if (sclk_ff.full < temp_ff.full)
3578 temp_ff.full = sclk_ff.full;
3579
3580 read_return_rate.full = temp_ff.full;
3581
3582 if (mode1) {
3583 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3584 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3585 } else {
3586 time_disp1_drop_priority.full = 0;
3587 }
3588 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3589 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3590 crit_point_ff.full += dfixed_const_half(0);
3591
3592 critical_point2 = dfixed_trunc(crit_point_ff);
3593
3594 if (rdev->disp_priority == 2) {
3595 critical_point2 = 0;
3596 }
3597
3598 if (max_stop_req - critical_point2 < 4)
3599 critical_point2 = 0;
3600
3601 }
3602
3603 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3604 /* some R300 cards have problem with this set to 0 */
3605 critical_point2 = 0x10;
3606 }
3607
3608 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3609 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3610
3611 if ((rdev->family == CHIP_RS400) ||
3612 (rdev->family == CHIP_RS480)) {
3613 #if 0
3614 /* attempt to program RS400 disp2 regs correctly ??? */
3615 temp = RREG32(RS400_DISP2_REQ_CNTL1);
3616 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3617 RS400_DISP2_STOP_REQ_LEVEL_MASK);
3618 WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3619 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3620 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3621 temp = RREG32(RS400_DISP2_REQ_CNTL2);
3622 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3623 RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3624 WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3625 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3626 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3627 #endif
3628 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3629 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3630 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
3631 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3632 }
3633
3634 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3635 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3636 }
3637
3638 /* Save number of lines the linebuffer leads before the scanout */
3639 if (mode1)
3640 rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay);
3641
3642 if (mode2)
3643 rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay);
3644 }
3645
r100_ring_test(struct radeon_device * rdev,struct radeon_ring * ring)3646 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3647 {
3648 uint32_t scratch;
3649 uint32_t tmp = 0;
3650 unsigned i;
3651 int r;
3652
3653 r = radeon_scratch_get(rdev, &scratch);
3654 if (r) {
3655 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3656 return r;
3657 }
3658 WREG32(scratch, 0xCAFEDEAD);
3659 r = radeon_ring_lock(rdev, ring, 2);
3660 if (r) {
3661 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3662 radeon_scratch_free(rdev, scratch);
3663 return r;
3664 }
3665 radeon_ring_write(ring, PACKET0(scratch, 0));
3666 radeon_ring_write(ring, 0xDEADBEEF);
3667 radeon_ring_unlock_commit(rdev, ring, false);
3668 for (i = 0; i < rdev->usec_timeout; i++) {
3669 tmp = RREG32(scratch);
3670 if (tmp == 0xDEADBEEF) {
3671 break;
3672 }
3673 DRM_UDELAY(1);
3674 }
3675 if (i < rdev->usec_timeout) {
3676 DRM_INFO("ring test succeeded in %d usecs\n", i);
3677 } else {
3678 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3679 scratch, tmp);
3680 r = -EINVAL;
3681 }
3682 radeon_scratch_free(rdev, scratch);
3683 return r;
3684 }
3685
r100_ring_ib_execute(struct radeon_device * rdev,struct radeon_ib * ib)3686 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3687 {
3688 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3689
3690 if (ring->rptr_save_reg) {
3691 u32 next_rptr = ring->wptr + 2 + 3;
3692 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
3693 radeon_ring_write(ring, next_rptr);
3694 }
3695
3696 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3697 radeon_ring_write(ring, ib->gpu_addr);
3698 radeon_ring_write(ring, ib->length_dw);
3699 }
3700
r100_ib_test(struct radeon_device * rdev,struct radeon_ring * ring)3701 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3702 {
3703 struct radeon_ib ib;
3704 uint32_t scratch;
3705 uint32_t tmp = 0;
3706 unsigned i;
3707 int r;
3708
3709 r = radeon_scratch_get(rdev, &scratch);
3710 if (r) {
3711 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3712 return r;
3713 }
3714 WREG32(scratch, 0xCAFEDEAD);
3715 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
3716 if (r) {
3717 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3718 goto free_scratch;
3719 }
3720 ib.ptr[0] = PACKET0(scratch, 0);
3721 ib.ptr[1] = 0xDEADBEEF;
3722 ib.ptr[2] = PACKET2(0);
3723 ib.ptr[3] = PACKET2(0);
3724 ib.ptr[4] = PACKET2(0);
3725 ib.ptr[5] = PACKET2(0);
3726 ib.ptr[6] = PACKET2(0);
3727 ib.ptr[7] = PACKET2(0);
3728 ib.length_dw = 8;
3729 r = radeon_ib_schedule(rdev, &ib, NULL, false);
3730 if (r) {
3731 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3732 goto free_ib;
3733 }
3734 r = radeon_fence_wait(ib.fence, false);
3735 if (r) {
3736 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3737 goto free_ib;
3738 }
3739 for (i = 0; i < rdev->usec_timeout; i++) {
3740 tmp = RREG32(scratch);
3741 if (tmp == 0xDEADBEEF) {
3742 break;
3743 }
3744 DRM_UDELAY(1);
3745 }
3746 if (i < rdev->usec_timeout) {
3747 DRM_INFO("ib test succeeded in %u usecs\n", i);
3748 } else {
3749 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3750 scratch, tmp);
3751 r = -EINVAL;
3752 }
3753 free_ib:
3754 radeon_ib_free(rdev, &ib);
3755 free_scratch:
3756 radeon_scratch_free(rdev, scratch);
3757 return r;
3758 }
3759
r100_mc_stop(struct radeon_device * rdev,struct r100_mc_save * save)3760 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3761 {
3762 /* Shutdown CP we shouldn't need to do that but better be safe than
3763 * sorry
3764 */
3765 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3766 WREG32(R_000740_CP_CSQ_CNTL, 0);
3767
3768 /* Save few CRTC registers */
3769 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3770 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3771 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3772 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3773 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3774 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3775 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3776 }
3777
3778 /* Disable VGA aperture access */
3779 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3780 /* Disable cursor, overlay, crtc */
3781 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3782 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3783 S_000054_CRTC_DISPLAY_DIS(1));
3784 WREG32(R_000050_CRTC_GEN_CNTL,
3785 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3786 S_000050_CRTC_DISP_REQ_EN_B(1));
3787 WREG32(R_000420_OV0_SCALE_CNTL,
3788 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3789 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3790 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3791 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3792 S_000360_CUR2_LOCK(1));
3793 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3794 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3795 S_0003F8_CRTC2_DISPLAY_DIS(1) |
3796 S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3797 WREG32(R_000360_CUR2_OFFSET,
3798 C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3799 }
3800 }
3801
r100_mc_resume(struct radeon_device * rdev,struct r100_mc_save * save)3802 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3803 {
3804 /* Update base address for crtc */
3805 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3806 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3807 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3808 }
3809 /* Restore CRTC registers */
3810 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3811 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3812 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3813 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3814 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3815 }
3816 }
3817
r100_vga_render_disable(struct radeon_device * rdev)3818 void r100_vga_render_disable(struct radeon_device *rdev)
3819 {
3820 u32 tmp;
3821
3822 tmp = RREG8(R_0003C2_GENMO_WT);
3823 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3824 }
3825
r100_debugfs(struct radeon_device * rdev)3826 static void r100_debugfs(struct radeon_device *rdev)
3827 {
3828 int r;
3829
3830 r = r100_debugfs_mc_info_init(rdev);
3831 if (r)
3832 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3833 }
3834
r100_mc_program(struct radeon_device * rdev)3835 static void r100_mc_program(struct radeon_device *rdev)
3836 {
3837 struct r100_mc_save save;
3838
3839 /* Stops all mc clients */
3840 r100_mc_stop(rdev, &save);
3841 if (rdev->flags & RADEON_IS_AGP) {
3842 WREG32(R_00014C_MC_AGP_LOCATION,
3843 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3844 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3845 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3846 if (rdev->family > CHIP_RV200)
3847 WREG32(R_00015C_AGP_BASE_2,
3848 upper_32_bits(rdev->mc.agp_base) & 0xff);
3849 } else {
3850 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3851 WREG32(R_000170_AGP_BASE, 0);
3852 if (rdev->family > CHIP_RV200)
3853 WREG32(R_00015C_AGP_BASE_2, 0);
3854 }
3855 /* Wait for mc idle */
3856 if (r100_mc_wait_for_idle(rdev))
3857 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3858 /* Program MC, should be a 32bits limited address space */
3859 WREG32(R_000148_MC_FB_LOCATION,
3860 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3861 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3862 r100_mc_resume(rdev, &save);
3863 }
3864
r100_clock_startup(struct radeon_device * rdev)3865 static void r100_clock_startup(struct radeon_device *rdev)
3866 {
3867 u32 tmp;
3868
3869 if (radeon_dynclks != -1 && radeon_dynclks)
3870 radeon_legacy_set_clock_gating(rdev, 1);
3871 /* We need to force on some of the block */
3872 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3873 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3874 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3875 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3876 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3877 }
3878
r100_startup(struct radeon_device * rdev)3879 static int r100_startup(struct radeon_device *rdev)
3880 {
3881 int r;
3882
3883 /* set common regs */
3884 r100_set_common_regs(rdev);
3885 /* program mc */
3886 r100_mc_program(rdev);
3887 /* Resume clock */
3888 r100_clock_startup(rdev);
3889 /* Initialize GART (initialize after TTM so we can allocate
3890 * memory through TTM but finalize after TTM) */
3891 r100_enable_bm(rdev);
3892 if (rdev->flags & RADEON_IS_PCI) {
3893 r = r100_pci_gart_enable(rdev);
3894 if (r)
3895 return r;
3896 }
3897
3898 /* allocate wb buffer */
3899 r = radeon_wb_init(rdev);
3900 if (r)
3901 return r;
3902
3903 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3904 if (r) {
3905 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3906 return r;
3907 }
3908
3909 /* Enable IRQ */
3910 if (!rdev->irq.installed) {
3911 r = radeon_irq_kms_init(rdev);
3912 if (r)
3913 return r;
3914 }
3915
3916 r100_irq_set(rdev);
3917 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3918 /* 1M ring buffer */
3919 r = r100_cp_init(rdev, 1024 * 1024);
3920 if (r) {
3921 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3922 return r;
3923 }
3924
3925 r = radeon_ib_pool_init(rdev);
3926 if (r) {
3927 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3928 return r;
3929 }
3930
3931 return 0;
3932 }
3933
r100_resume(struct radeon_device * rdev)3934 int r100_resume(struct radeon_device *rdev)
3935 {
3936 int r;
3937
3938 /* Make sur GART are not working */
3939 if (rdev->flags & RADEON_IS_PCI)
3940 r100_pci_gart_disable(rdev);
3941 /* Resume clock before doing reset */
3942 r100_clock_startup(rdev);
3943 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3944 if (radeon_asic_reset(rdev)) {
3945 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3946 RREG32(R_000E40_RBBM_STATUS),
3947 RREG32(R_0007C0_CP_STAT));
3948 }
3949 /* post */
3950 radeon_combios_asic_init(rdev->ddev);
3951 /* Resume clock after posting */
3952 r100_clock_startup(rdev);
3953 /* Initialize surface registers */
3954 radeon_surface_init(rdev);
3955
3956 rdev->accel_working = true;
3957 r = r100_startup(rdev);
3958 if (r) {
3959 rdev->accel_working = false;
3960 }
3961 return r;
3962 }
3963
r100_suspend(struct radeon_device * rdev)3964 int r100_suspend(struct radeon_device *rdev)
3965 {
3966 radeon_pm_suspend(rdev);
3967 r100_cp_disable(rdev);
3968 radeon_wb_disable(rdev);
3969 r100_irq_disable(rdev);
3970 if (rdev->flags & RADEON_IS_PCI)
3971 r100_pci_gart_disable(rdev);
3972 return 0;
3973 }
3974
r100_fini(struct radeon_device * rdev)3975 void r100_fini(struct radeon_device *rdev)
3976 {
3977 radeon_pm_fini(rdev);
3978 r100_cp_fini(rdev);
3979 radeon_wb_fini(rdev);
3980 radeon_ib_pool_fini(rdev);
3981 radeon_gem_fini(rdev);
3982 if (rdev->flags & RADEON_IS_PCI)
3983 r100_pci_gart_fini(rdev);
3984 radeon_agp_fini(rdev);
3985 radeon_irq_kms_fini(rdev);
3986 radeon_fence_driver_fini(rdev);
3987 radeon_bo_fini(rdev);
3988 radeon_atombios_fini(rdev);
3989 kfree(rdev->bios);
3990 rdev->bios = NULL;
3991 }
3992
3993 /*
3994 * Due to how kexec works, it can leave the hw fully initialised when it
3995 * boots the new kernel. However doing our init sequence with the CP and
3996 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
3997 * do some quick sanity checks and restore sane values to avoid this
3998 * problem.
3999 */
r100_restore_sanity(struct radeon_device * rdev)4000 void r100_restore_sanity(struct radeon_device *rdev)
4001 {
4002 u32 tmp;
4003
4004 tmp = RREG32(RADEON_CP_CSQ_CNTL);
4005 if (tmp) {
4006 WREG32(RADEON_CP_CSQ_CNTL, 0);
4007 }
4008 tmp = RREG32(RADEON_CP_RB_CNTL);
4009 if (tmp) {
4010 WREG32(RADEON_CP_RB_CNTL, 0);
4011 }
4012 tmp = RREG32(RADEON_SCRATCH_UMSK);
4013 if (tmp) {
4014 WREG32(RADEON_SCRATCH_UMSK, 0);
4015 }
4016 }
4017
r100_init(struct radeon_device * rdev)4018 int r100_init(struct radeon_device *rdev)
4019 {
4020 int r;
4021
4022 /* Register debugfs file specific to this group of asics */
4023 r100_debugfs(rdev);
4024 /* Disable VGA */
4025 r100_vga_render_disable(rdev);
4026 /* Initialize scratch registers */
4027 radeon_scratch_init(rdev);
4028 /* Initialize surface registers */
4029 radeon_surface_init(rdev);
4030 /* sanity check some register to avoid hangs like after kexec */
4031 r100_restore_sanity(rdev);
4032 /* TODO: disable VGA need to use VGA request */
4033 /* BIOS*/
4034 if (!radeon_get_bios(rdev)) {
4035 if (ASIC_IS_AVIVO(rdev))
4036 return -EINVAL;
4037 }
4038 if (rdev->is_atom_bios) {
4039 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4040 return -EINVAL;
4041 } else {
4042 r = radeon_combios_init(rdev);
4043 if (r)
4044 return r;
4045 }
4046 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4047 if (radeon_asic_reset(rdev)) {
4048 dev_warn(rdev->dev,
4049 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4050 RREG32(R_000E40_RBBM_STATUS),
4051 RREG32(R_0007C0_CP_STAT));
4052 }
4053 /* check if cards are posted or not */
4054 if (radeon_boot_test_post_card(rdev) == false)
4055 return -EINVAL;
4056 /* Set asic errata */
4057 r100_errata(rdev);
4058 /* Initialize clocks */
4059 radeon_get_clock_info(rdev->ddev);
4060 /* initialize AGP */
4061 if (rdev->flags & RADEON_IS_AGP) {
4062 r = radeon_agp_init(rdev);
4063 if (r) {
4064 radeon_agp_disable(rdev);
4065 }
4066 }
4067 /* initialize VRAM */
4068 r100_mc_init(rdev);
4069 /* Fence driver */
4070 r = radeon_fence_driver_init(rdev);
4071 if (r)
4072 return r;
4073 /* Memory manager */
4074 r = radeon_bo_init(rdev);
4075 if (r)
4076 return r;
4077 if (rdev->flags & RADEON_IS_PCI) {
4078 r = r100_pci_gart_init(rdev);
4079 if (r)
4080 return r;
4081 }
4082 r100_set_safe_registers(rdev);
4083
4084 /* Initialize power management */
4085 radeon_pm_init(rdev);
4086
4087 rdev->accel_working = true;
4088 r = r100_startup(rdev);
4089 if (r) {
4090 /* Somethings want wront with the accel init stop accel */
4091 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4092 r100_cp_fini(rdev);
4093 radeon_wb_fini(rdev);
4094 radeon_ib_pool_fini(rdev);
4095 radeon_irq_kms_fini(rdev);
4096 if (rdev->flags & RADEON_IS_PCI)
4097 r100_pci_gart_fini(rdev);
4098 rdev->accel_working = false;
4099 }
4100 return 0;
4101 }
4102
r100_mm_rreg_slow(struct radeon_device * rdev,uint32_t reg)4103 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg)
4104 {
4105 unsigned long flags;
4106 uint32_t ret;
4107
4108 spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4109 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4110 ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4111 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4112 return ret;
4113 }
4114
r100_mm_wreg_slow(struct radeon_device * rdev,uint32_t reg,uint32_t v)4115 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4116 {
4117 unsigned long flags;
4118
4119 spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4120 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4121 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4122 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4123 }
4124
r100_io_rreg(struct radeon_device * rdev,u32 reg)4125 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4126 {
4127 if (reg < rdev->rio_mem_size)
4128 return ioread32(rdev->rio_mem + reg);
4129 else {
4130 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4131 return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4132 }
4133 }
4134
r100_io_wreg(struct radeon_device * rdev,u32 reg,u32 v)4135 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4136 {
4137 if (reg < rdev->rio_mem_size)
4138 iowrite32(v, rdev->rio_mem + reg);
4139 else {
4140 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4141 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4142 }
4143 }
4144