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
29 #include <linux/firmware.h>
30 #include <linux/module.h>
31 #include <linux/pci.h>
32 #include <linux/seq_file.h>
33 #include <linux/slab.h>
34
35 #include <drm/drm_device.h>
36 #include <drm/drm_file.h>
37 #include <drm/drm_fourcc.h>
38 #include <drm/drm_vblank.h>
39 #include <drm/radeon_drm.h>
40
41 #include "atom.h"
42 #include "r100_reg_safe.h"
43 #include "r100d.h"
44 #include "radeon.h"
45 #include "radeon_asic.h"
46 #include "radeon_reg.h"
47 #include "rn50_reg_safe.h"
48 #include "rs100d.h"
49 #include "rv200d.h"
50 #include "rv250d.h"
51
52 /* Firmware Names */
53 #define FIRMWARE_R100 "radeon/R100_cp.bin"
54 #define FIRMWARE_R200 "radeon/R200_cp.bin"
55 #define FIRMWARE_R300 "radeon/R300_cp.bin"
56 #define FIRMWARE_R420 "radeon/R420_cp.bin"
57 #define FIRMWARE_RS690 "radeon/RS690_cp.bin"
58 #define FIRMWARE_RS600 "radeon/RS600_cp.bin"
59 #define FIRMWARE_R520 "radeon/R520_cp.bin"
60
61 MODULE_FIRMWARE(FIRMWARE_R100);
62 MODULE_FIRMWARE(FIRMWARE_R200);
63 MODULE_FIRMWARE(FIRMWARE_R300);
64 MODULE_FIRMWARE(FIRMWARE_R420);
65 MODULE_FIRMWARE(FIRMWARE_RS690);
66 MODULE_FIRMWARE(FIRMWARE_RS600);
67 MODULE_FIRMWARE(FIRMWARE_R520);
68
69 #include "r100_track.h"
70
71 /* This files gather functions specifics to:
72 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
73 * and others in some cases.
74 */
75
r100_is_in_vblank(struct radeon_device * rdev,int crtc)76 static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc)
77 {
78 if (crtc == 0) {
79 if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
80 return true;
81 else
82 return false;
83 } else {
84 if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
85 return true;
86 else
87 return false;
88 }
89 }
90
r100_is_counter_moving(struct radeon_device * rdev,int crtc)91 static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc)
92 {
93 u32 vline1, vline2;
94
95 if (crtc == 0) {
96 vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
97 vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
98 } else {
99 vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
100 vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
101 }
102 if (vline1 != vline2)
103 return true;
104 else
105 return false;
106 }
107
108 /**
109 * r100_wait_for_vblank - vblank wait asic callback.
110 *
111 * @rdev: radeon_device pointer
112 * @crtc: crtc to wait for vblank on
113 *
114 * Wait for vblank on the requested crtc (r1xx-r4xx).
115 */
r100_wait_for_vblank(struct radeon_device * rdev,int crtc)116 void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
117 {
118 unsigned i = 0;
119
120 if (crtc >= rdev->num_crtc)
121 return;
122
123 if (crtc == 0) {
124 if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN))
125 return;
126 } else {
127 if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN))
128 return;
129 }
130
131 /* depending on when we hit vblank, we may be close to active; if so,
132 * wait for another frame.
133 */
134 while (r100_is_in_vblank(rdev, crtc)) {
135 if (i++ % 100 == 0) {
136 if (!r100_is_counter_moving(rdev, crtc))
137 break;
138 }
139 }
140
141 while (!r100_is_in_vblank(rdev, crtc)) {
142 if (i++ % 100 == 0) {
143 if (!r100_is_counter_moving(rdev, crtc))
144 break;
145 }
146 }
147 }
148
149 /**
150 * r100_page_flip - pageflip callback.
151 *
152 * @rdev: radeon_device pointer
153 * @crtc_id: crtc to cleanup pageflip on
154 * @crtc_base: new address of the crtc (GPU MC address)
155 * @async: asynchronous flip
156 *
157 * Does the actual pageflip (r1xx-r4xx).
158 * During vblank we take the crtc lock and wait for the update_pending
159 * bit to go high, when it does, we release the lock, and allow the
160 * double buffered update to take place.
161 */
r100_page_flip(struct radeon_device * rdev,int crtc_id,u64 crtc_base,bool async)162 void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
163 {
164 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
165 uint32_t crtc_pitch, pitch_pixels;
166 struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
167 u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
168 int i;
169
170 /* Lock the graphics update lock */
171 /* update the scanout addresses */
172 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
173
174 /* update pitch */
175 pitch_pixels = fb->pitches[0] / fb->format->cpp[0];
176 crtc_pitch = DIV_ROUND_UP(pitch_pixels * fb->format->cpp[0] * 8,
177 fb->format->cpp[0] * 8 * 8);
178 crtc_pitch |= crtc_pitch << 16;
179 WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
180
181 /* Wait for update_pending to go high. */
182 for (i = 0; i < rdev->usec_timeout; i++) {
183 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
184 break;
185 udelay(1);
186 }
187 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
188
189 /* Unlock the lock, so double-buffering can take place inside vblank */
190 tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
191 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
192
193 }
194
195 /**
196 * r100_page_flip_pending - check if page flip is still pending
197 *
198 * @rdev: radeon_device pointer
199 * @crtc_id: crtc to check
200 *
201 * Check if the last pagefilp is still pending (r1xx-r4xx).
202 * Returns the current update pending status.
203 */
r100_page_flip_pending(struct radeon_device * rdev,int crtc_id)204 bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id)
205 {
206 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
207
208 /* Return current update_pending status: */
209 return !!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) &
210 RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET);
211 }
212
213 /**
214 * r100_pm_get_dynpm_state - look up dynpm power state callback.
215 *
216 * @rdev: radeon_device pointer
217 *
218 * Look up the optimal power state based on the
219 * current state of the GPU (r1xx-r5xx).
220 * Used for dynpm only.
221 */
r100_pm_get_dynpm_state(struct radeon_device * rdev)222 void r100_pm_get_dynpm_state(struct radeon_device *rdev)
223 {
224 int i;
225 rdev->pm.dynpm_can_upclock = true;
226 rdev->pm.dynpm_can_downclock = true;
227
228 switch (rdev->pm.dynpm_planned_action) {
229 case DYNPM_ACTION_MINIMUM:
230 rdev->pm.requested_power_state_index = 0;
231 rdev->pm.dynpm_can_downclock = false;
232 break;
233 case DYNPM_ACTION_DOWNCLOCK:
234 if (rdev->pm.current_power_state_index == 0) {
235 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
236 rdev->pm.dynpm_can_downclock = false;
237 } else {
238 if (rdev->pm.active_crtc_count > 1) {
239 for (i = 0; i < rdev->pm.num_power_states; i++) {
240 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
241 continue;
242 else if (i >= rdev->pm.current_power_state_index) {
243 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
244 break;
245 } else {
246 rdev->pm.requested_power_state_index = i;
247 break;
248 }
249 }
250 } else
251 rdev->pm.requested_power_state_index =
252 rdev->pm.current_power_state_index - 1;
253 }
254 /* don't use the power state if crtcs are active and no display flag is set */
255 if ((rdev->pm.active_crtc_count > 0) &&
256 (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
257 RADEON_PM_MODE_NO_DISPLAY)) {
258 rdev->pm.requested_power_state_index++;
259 }
260 break;
261 case DYNPM_ACTION_UPCLOCK:
262 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
263 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
264 rdev->pm.dynpm_can_upclock = false;
265 } else {
266 if (rdev->pm.active_crtc_count > 1) {
267 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
268 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
269 continue;
270 else if (i <= rdev->pm.current_power_state_index) {
271 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
272 break;
273 } else {
274 rdev->pm.requested_power_state_index = i;
275 break;
276 }
277 }
278 } else
279 rdev->pm.requested_power_state_index =
280 rdev->pm.current_power_state_index + 1;
281 }
282 break;
283 case DYNPM_ACTION_DEFAULT:
284 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
285 rdev->pm.dynpm_can_upclock = false;
286 break;
287 case DYNPM_ACTION_NONE:
288 default:
289 DRM_ERROR("Requested mode for not defined action\n");
290 return;
291 }
292 /* only one clock mode per power state */
293 rdev->pm.requested_clock_mode_index = 0;
294
295 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
296 rdev->pm.power_state[rdev->pm.requested_power_state_index].
297 clock_info[rdev->pm.requested_clock_mode_index].sclk,
298 rdev->pm.power_state[rdev->pm.requested_power_state_index].
299 clock_info[rdev->pm.requested_clock_mode_index].mclk,
300 rdev->pm.power_state[rdev->pm.requested_power_state_index].
301 pcie_lanes);
302 }
303
304 /**
305 * r100_pm_init_profile - Initialize power profiles callback.
306 *
307 * @rdev: radeon_device pointer
308 *
309 * Initialize the power states used in profile mode
310 * (r1xx-r3xx).
311 * Used for profile mode only.
312 */
r100_pm_init_profile(struct radeon_device * rdev)313 void r100_pm_init_profile(struct radeon_device *rdev)
314 {
315 /* default */
316 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
317 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
318 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
319 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
320 /* low sh */
321 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
322 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
323 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
324 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
325 /* mid sh */
326 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
327 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
328 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
329 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
330 /* high sh */
331 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
332 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
333 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
334 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
335 /* low mh */
336 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
337 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
338 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
339 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
340 /* mid mh */
341 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
342 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
343 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
344 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
345 /* high mh */
346 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
347 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
348 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
349 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
350 }
351
352 /**
353 * r100_pm_misc - set additional pm hw parameters callback.
354 *
355 * @rdev: radeon_device pointer
356 *
357 * Set non-clock parameters associated with a power state
358 * (voltage, pcie lanes, etc.) (r1xx-r4xx).
359 */
r100_pm_misc(struct radeon_device * rdev)360 void r100_pm_misc(struct radeon_device *rdev)
361 {
362 int requested_index = rdev->pm.requested_power_state_index;
363 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
364 struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
365 u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
366
367 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
368 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
369 tmp = RREG32(voltage->gpio.reg);
370 if (voltage->active_high)
371 tmp |= voltage->gpio.mask;
372 else
373 tmp &= ~(voltage->gpio.mask);
374 WREG32(voltage->gpio.reg, tmp);
375 if (voltage->delay)
376 udelay(voltage->delay);
377 } else {
378 tmp = RREG32(voltage->gpio.reg);
379 if (voltage->active_high)
380 tmp &= ~voltage->gpio.mask;
381 else
382 tmp |= voltage->gpio.mask;
383 WREG32(voltage->gpio.reg, tmp);
384 if (voltage->delay)
385 udelay(voltage->delay);
386 }
387 }
388
389 sclk_cntl = RREG32_PLL(SCLK_CNTL);
390 sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
391 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
392 sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
393 sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
394 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
395 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
396 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
397 sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
398 else
399 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
400 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
401 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
402 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
403 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
404 } else
405 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
406
407 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
408 sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
409 if (voltage->delay) {
410 sclk_more_cntl |= VOLTAGE_DROP_SYNC;
411 switch (voltage->delay) {
412 case 33:
413 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
414 break;
415 case 66:
416 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
417 break;
418 case 99:
419 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
420 break;
421 case 132:
422 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
423 break;
424 }
425 } else
426 sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
427 } else
428 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
429
430 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
431 sclk_cntl &= ~FORCE_HDP;
432 else
433 sclk_cntl |= FORCE_HDP;
434
435 WREG32_PLL(SCLK_CNTL, sclk_cntl);
436 WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
437 WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
438
439 /* set pcie lanes */
440 if ((rdev->flags & RADEON_IS_PCIE) &&
441 !(rdev->flags & RADEON_IS_IGP) &&
442 rdev->asic->pm.set_pcie_lanes &&
443 (ps->pcie_lanes !=
444 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
445 radeon_set_pcie_lanes(rdev,
446 ps->pcie_lanes);
447 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
448 }
449 }
450
451 /**
452 * r100_pm_prepare - pre-power state change callback.
453 *
454 * @rdev: radeon_device pointer
455 *
456 * Prepare for a power state change (r1xx-r4xx).
457 */
r100_pm_prepare(struct radeon_device * rdev)458 void r100_pm_prepare(struct radeon_device *rdev)
459 {
460 struct drm_device *ddev = rdev->ddev;
461 struct drm_crtc *crtc;
462 struct radeon_crtc *radeon_crtc;
463 u32 tmp;
464
465 /* disable any active CRTCs */
466 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
467 radeon_crtc = to_radeon_crtc(crtc);
468 if (radeon_crtc->enabled) {
469 if (radeon_crtc->crtc_id) {
470 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
471 tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
472 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
473 } else {
474 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
475 tmp |= RADEON_CRTC_DISP_REQ_EN_B;
476 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
477 }
478 }
479 }
480 }
481
482 /**
483 * r100_pm_finish - post-power state change callback.
484 *
485 * @rdev: radeon_device pointer
486 *
487 * Clean up after a power state change (r1xx-r4xx).
488 */
r100_pm_finish(struct radeon_device * rdev)489 void r100_pm_finish(struct radeon_device *rdev)
490 {
491 struct drm_device *ddev = rdev->ddev;
492 struct drm_crtc *crtc;
493 struct radeon_crtc *radeon_crtc;
494 u32 tmp;
495
496 /* enable any active CRTCs */
497 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
498 radeon_crtc = to_radeon_crtc(crtc);
499 if (radeon_crtc->enabled) {
500 if (radeon_crtc->crtc_id) {
501 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
502 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
503 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
504 } else {
505 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
506 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
507 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
508 }
509 }
510 }
511 }
512
513 /**
514 * r100_gui_idle - gui idle callback.
515 *
516 * @rdev: radeon_device pointer
517 *
518 * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx).
519 * Returns true if idle, false if not.
520 */
r100_gui_idle(struct radeon_device * rdev)521 bool r100_gui_idle(struct radeon_device *rdev)
522 {
523 if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
524 return false;
525 else
526 return true;
527 }
528
529 /* hpd for digital panel detect/disconnect */
530 /**
531 * r100_hpd_sense - hpd sense callback.
532 *
533 * @rdev: radeon_device pointer
534 * @hpd: hpd (hotplug detect) pin
535 *
536 * Checks if a digital monitor is connected (r1xx-r4xx).
537 * Returns true if connected, false if not connected.
538 */
r100_hpd_sense(struct radeon_device * rdev,enum radeon_hpd_id hpd)539 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
540 {
541 bool connected = false;
542
543 switch (hpd) {
544 case RADEON_HPD_1:
545 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
546 connected = true;
547 break;
548 case RADEON_HPD_2:
549 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
550 connected = true;
551 break;
552 default:
553 break;
554 }
555 return connected;
556 }
557
558 /**
559 * r100_hpd_set_polarity - hpd set polarity callback.
560 *
561 * @rdev: radeon_device pointer
562 * @hpd: hpd (hotplug detect) pin
563 *
564 * Set the polarity of the hpd pin (r1xx-r4xx).
565 */
r100_hpd_set_polarity(struct radeon_device * rdev,enum radeon_hpd_id hpd)566 void r100_hpd_set_polarity(struct radeon_device *rdev,
567 enum radeon_hpd_id hpd)
568 {
569 u32 tmp;
570 bool connected = r100_hpd_sense(rdev, hpd);
571
572 switch (hpd) {
573 case RADEON_HPD_1:
574 tmp = RREG32(RADEON_FP_GEN_CNTL);
575 if (connected)
576 tmp &= ~RADEON_FP_DETECT_INT_POL;
577 else
578 tmp |= RADEON_FP_DETECT_INT_POL;
579 WREG32(RADEON_FP_GEN_CNTL, tmp);
580 break;
581 case RADEON_HPD_2:
582 tmp = RREG32(RADEON_FP2_GEN_CNTL);
583 if (connected)
584 tmp &= ~RADEON_FP2_DETECT_INT_POL;
585 else
586 tmp |= RADEON_FP2_DETECT_INT_POL;
587 WREG32(RADEON_FP2_GEN_CNTL, tmp);
588 break;
589 default:
590 break;
591 }
592 }
593
594 /**
595 * r100_hpd_init - hpd setup callback.
596 *
597 * @rdev: radeon_device pointer
598 *
599 * Setup the hpd pins used by the card (r1xx-r4xx).
600 * Set the polarity, and enable the hpd interrupts.
601 */
r100_hpd_init(struct radeon_device * rdev)602 void r100_hpd_init(struct radeon_device *rdev)
603 {
604 struct drm_device *dev = rdev->ddev;
605 struct drm_connector *connector;
606 unsigned enable = 0;
607
608 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
609 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
610 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
611 enable |= 1 << radeon_connector->hpd.hpd;
612 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
613 }
614 radeon_irq_kms_enable_hpd(rdev, enable);
615 }
616
617 /**
618 * r100_hpd_fini - hpd tear down callback.
619 *
620 * @rdev: radeon_device pointer
621 *
622 * Tear down the hpd pins used by the card (r1xx-r4xx).
623 * Disable the hpd interrupts.
624 */
r100_hpd_fini(struct radeon_device * rdev)625 void r100_hpd_fini(struct radeon_device *rdev)
626 {
627 struct drm_device *dev = rdev->ddev;
628 struct drm_connector *connector;
629 unsigned disable = 0;
630
631 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
632 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
633 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
634 disable |= 1 << radeon_connector->hpd.hpd;
635 }
636 radeon_irq_kms_disable_hpd(rdev, disable);
637 }
638
639 /*
640 * PCI GART
641 */
r100_pci_gart_tlb_flush(struct radeon_device * rdev)642 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
643 {
644 /* TODO: can we do somethings here ? */
645 /* It seems hw only cache one entry so we should discard this
646 * entry otherwise if first GPU GART read hit this entry it
647 * could end up in wrong address. */
648 }
649
r100_pci_gart_init(struct radeon_device * rdev)650 int r100_pci_gart_init(struct radeon_device *rdev)
651 {
652 int r;
653
654 if (rdev->gart.ptr) {
655 WARN(1, "R100 PCI GART already initialized\n");
656 return 0;
657 }
658 /* Initialize common gart structure */
659 r = radeon_gart_init(rdev);
660 if (r)
661 return r;
662 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
663 rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
664 rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry;
665 rdev->asic->gart.set_page = &r100_pci_gart_set_page;
666 return radeon_gart_table_ram_alloc(rdev);
667 }
668
r100_pci_gart_enable(struct radeon_device * rdev)669 int r100_pci_gart_enable(struct radeon_device *rdev)
670 {
671 uint32_t tmp;
672
673 /* discard memory request outside of configured range */
674 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
675 WREG32(RADEON_AIC_CNTL, tmp);
676 /* set address range for PCI address translate */
677 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
678 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
679 /* set PCI GART page-table base address */
680 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
681 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
682 WREG32(RADEON_AIC_CNTL, tmp);
683 r100_pci_gart_tlb_flush(rdev);
684 DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n",
685 (unsigned)(rdev->mc.gtt_size >> 20),
686 (unsigned long long)rdev->gart.table_addr);
687 rdev->gart.ready = true;
688 return 0;
689 }
690
r100_pci_gart_disable(struct radeon_device * rdev)691 void r100_pci_gart_disable(struct radeon_device *rdev)
692 {
693 uint32_t tmp;
694
695 /* discard memory request outside of configured range */
696 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
697 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
698 WREG32(RADEON_AIC_LO_ADDR, 0);
699 WREG32(RADEON_AIC_HI_ADDR, 0);
700 }
701
r100_pci_gart_get_page_entry(uint64_t addr,uint32_t flags)702 uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags)
703 {
704 return addr;
705 }
706
r100_pci_gart_set_page(struct radeon_device * rdev,unsigned i,uint64_t entry)707 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
708 uint64_t entry)
709 {
710 u32 *gtt = rdev->gart.ptr;
711 gtt[i] = cpu_to_le32(lower_32_bits(entry));
712 }
713
r100_pci_gart_fini(struct radeon_device * rdev)714 void r100_pci_gart_fini(struct radeon_device *rdev)
715 {
716 radeon_gart_fini(rdev);
717 r100_pci_gart_disable(rdev);
718 radeon_gart_table_ram_free(rdev);
719 }
720
r100_irq_set(struct radeon_device * rdev)721 int r100_irq_set(struct radeon_device *rdev)
722 {
723 uint32_t tmp = 0;
724
725 if (!rdev->irq.installed) {
726 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
727 WREG32(R_000040_GEN_INT_CNTL, 0);
728 return -EINVAL;
729 }
730 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
731 tmp |= RADEON_SW_INT_ENABLE;
732 }
733 if (rdev->irq.crtc_vblank_int[0] ||
734 atomic_read(&rdev->irq.pflip[0])) {
735 tmp |= RADEON_CRTC_VBLANK_MASK;
736 }
737 if (rdev->irq.crtc_vblank_int[1] ||
738 atomic_read(&rdev->irq.pflip[1])) {
739 tmp |= RADEON_CRTC2_VBLANK_MASK;
740 }
741 if (rdev->irq.hpd[0]) {
742 tmp |= RADEON_FP_DETECT_MASK;
743 }
744 if (rdev->irq.hpd[1]) {
745 tmp |= RADEON_FP2_DETECT_MASK;
746 }
747 WREG32(RADEON_GEN_INT_CNTL, tmp);
748
749 /* read back to post the write */
750 RREG32(RADEON_GEN_INT_CNTL);
751
752 return 0;
753 }
754
r100_irq_disable(struct radeon_device * rdev)755 void r100_irq_disable(struct radeon_device *rdev)
756 {
757 u32 tmp;
758
759 WREG32(R_000040_GEN_INT_CNTL, 0);
760 /* Wait and acknowledge irq */
761 mdelay(1);
762 tmp = RREG32(R_000044_GEN_INT_STATUS);
763 WREG32(R_000044_GEN_INT_STATUS, tmp);
764 }
765
r100_irq_ack(struct radeon_device * rdev)766 static uint32_t r100_irq_ack(struct radeon_device *rdev)
767 {
768 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
769 uint32_t irq_mask = RADEON_SW_INT_TEST |
770 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
771 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
772
773 if (irqs) {
774 WREG32(RADEON_GEN_INT_STATUS, irqs);
775 }
776 return irqs & irq_mask;
777 }
778
r100_irq_process(struct radeon_device * rdev)779 int r100_irq_process(struct radeon_device *rdev)
780 {
781 uint32_t status, msi_rearm;
782 bool queue_hotplug = false;
783
784 status = r100_irq_ack(rdev);
785 if (!status) {
786 return IRQ_NONE;
787 }
788 if (rdev->shutdown) {
789 return IRQ_NONE;
790 }
791 while (status) {
792 /* SW interrupt */
793 if (status & RADEON_SW_INT_TEST) {
794 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
795 }
796 /* Vertical blank interrupts */
797 if (status & RADEON_CRTC_VBLANK_STAT) {
798 if (rdev->irq.crtc_vblank_int[0]) {
799 drm_handle_vblank(rdev->ddev, 0);
800 rdev->pm.vblank_sync = true;
801 wake_up(&rdev->irq.vblank_queue);
802 }
803 if (atomic_read(&rdev->irq.pflip[0]))
804 radeon_crtc_handle_vblank(rdev, 0);
805 }
806 if (status & RADEON_CRTC2_VBLANK_STAT) {
807 if (rdev->irq.crtc_vblank_int[1]) {
808 drm_handle_vblank(rdev->ddev, 1);
809 rdev->pm.vblank_sync = true;
810 wake_up(&rdev->irq.vblank_queue);
811 }
812 if (atomic_read(&rdev->irq.pflip[1]))
813 radeon_crtc_handle_vblank(rdev, 1);
814 }
815 if (status & RADEON_FP_DETECT_STAT) {
816 queue_hotplug = true;
817 DRM_DEBUG("HPD1\n");
818 }
819 if (status & RADEON_FP2_DETECT_STAT) {
820 queue_hotplug = true;
821 DRM_DEBUG("HPD2\n");
822 }
823 status = r100_irq_ack(rdev);
824 }
825 if (queue_hotplug)
826 schedule_delayed_work(&rdev->hotplug_work, 0);
827 if (rdev->msi_enabled) {
828 switch (rdev->family) {
829 case CHIP_RS400:
830 case CHIP_RS480:
831 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
832 WREG32(RADEON_AIC_CNTL, msi_rearm);
833 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
834 break;
835 default:
836 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
837 break;
838 }
839 }
840 return IRQ_HANDLED;
841 }
842
r100_get_vblank_counter(struct radeon_device * rdev,int crtc)843 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
844 {
845 if (crtc == 0)
846 return RREG32(RADEON_CRTC_CRNT_FRAME);
847 else
848 return RREG32(RADEON_CRTC2_CRNT_FRAME);
849 }
850
851 /**
852 * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
853 * @rdev: radeon device structure
854 * @ring: ring buffer struct for emitting packets
855 */
r100_ring_hdp_flush(struct radeon_device * rdev,struct radeon_ring * ring)856 static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
857 {
858 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
859 radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
860 RADEON_HDP_READ_BUFFER_INVALIDATE);
861 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
862 radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
863 }
864
865 /* Who ever call radeon_fence_emit should call ring_lock and ask
866 * for enough space (today caller are ib schedule and buffer move) */
r100_fence_ring_emit(struct radeon_device * rdev,struct radeon_fence * fence)867 void r100_fence_ring_emit(struct radeon_device *rdev,
868 struct radeon_fence *fence)
869 {
870 struct radeon_ring *ring = &rdev->ring[fence->ring];
871
872 /* We have to make sure that caches are flushed before
873 * CPU might read something from VRAM. */
874 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
875 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
876 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
877 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
878 /* Wait until IDLE & CLEAN */
879 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
880 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
881 r100_ring_hdp_flush(rdev, ring);
882 /* Emit fence sequence & fire IRQ */
883 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
884 radeon_ring_write(ring, fence->seq);
885 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
886 radeon_ring_write(ring, RADEON_SW_INT_FIRE);
887 }
888
r100_semaphore_ring_emit(struct radeon_device * rdev,struct radeon_ring * ring,struct radeon_semaphore * semaphore,bool emit_wait)889 bool r100_semaphore_ring_emit(struct radeon_device *rdev,
890 struct radeon_ring *ring,
891 struct radeon_semaphore *semaphore,
892 bool emit_wait)
893 {
894 /* Unused on older asics, since we don't have semaphores or multiple rings */
895 BUG();
896 return false;
897 }
898
r100_copy_blit(struct radeon_device * rdev,uint64_t src_offset,uint64_t dst_offset,unsigned num_gpu_pages,struct dma_resv * resv)899 struct radeon_fence *r100_copy_blit(struct radeon_device *rdev,
900 uint64_t src_offset,
901 uint64_t dst_offset,
902 unsigned num_gpu_pages,
903 struct dma_resv *resv)
904 {
905 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
906 struct radeon_fence *fence;
907 uint32_t cur_pages;
908 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
909 uint32_t pitch;
910 uint32_t stride_pixels;
911 unsigned ndw;
912 int num_loops;
913 int r = 0;
914
915 /* radeon limited to 16k stride */
916 stride_bytes &= 0x3fff;
917 /* radeon pitch is /64 */
918 pitch = stride_bytes / 64;
919 stride_pixels = stride_bytes / 4;
920 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
921
922 /* Ask for enough room for blit + flush + fence */
923 ndw = 64 + (10 * num_loops);
924 r = radeon_ring_lock(rdev, ring, ndw);
925 if (r) {
926 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
927 return ERR_PTR(-EINVAL);
928 }
929 while (num_gpu_pages > 0) {
930 cur_pages = num_gpu_pages;
931 if (cur_pages > 8191) {
932 cur_pages = 8191;
933 }
934 num_gpu_pages -= cur_pages;
935
936 /* pages are in Y direction - height
937 page width in X direction - width */
938 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
939 radeon_ring_write(ring,
940 RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
941 RADEON_GMC_DST_PITCH_OFFSET_CNTL |
942 RADEON_GMC_SRC_CLIPPING |
943 RADEON_GMC_DST_CLIPPING |
944 RADEON_GMC_BRUSH_NONE |
945 (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
946 RADEON_GMC_SRC_DATATYPE_COLOR |
947 RADEON_ROP3_S |
948 RADEON_DP_SRC_SOURCE_MEMORY |
949 RADEON_GMC_CLR_CMP_CNTL_DIS |
950 RADEON_GMC_WR_MSK_DIS);
951 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
952 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
953 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
954 radeon_ring_write(ring, 0);
955 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
956 radeon_ring_write(ring, num_gpu_pages);
957 radeon_ring_write(ring, num_gpu_pages);
958 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
959 }
960 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
961 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
962 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
963 radeon_ring_write(ring,
964 RADEON_WAIT_2D_IDLECLEAN |
965 RADEON_WAIT_HOST_IDLECLEAN |
966 RADEON_WAIT_DMA_GUI_IDLE);
967 r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
968 if (r) {
969 radeon_ring_unlock_undo(rdev, ring);
970 return ERR_PTR(r);
971 }
972 radeon_ring_unlock_commit(rdev, ring, false);
973 return fence;
974 }
975
r100_cp_wait_for_idle(struct radeon_device * rdev)976 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
977 {
978 unsigned i;
979 u32 tmp;
980
981 for (i = 0; i < rdev->usec_timeout; i++) {
982 tmp = RREG32(R_000E40_RBBM_STATUS);
983 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
984 return 0;
985 }
986 udelay(1);
987 }
988 return -1;
989 }
990
r100_ring_start(struct radeon_device * rdev,struct radeon_ring * ring)991 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
992 {
993 int r;
994
995 r = radeon_ring_lock(rdev, ring, 2);
996 if (r) {
997 return;
998 }
999 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
1000 radeon_ring_write(ring,
1001 RADEON_ISYNC_ANY2D_IDLE3D |
1002 RADEON_ISYNC_ANY3D_IDLE2D |
1003 RADEON_ISYNC_WAIT_IDLEGUI |
1004 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
1005 radeon_ring_unlock_commit(rdev, ring, false);
1006 }
1007
1008
1009 /* Load the microcode for the CP */
r100_cp_init_microcode(struct radeon_device * rdev)1010 static int r100_cp_init_microcode(struct radeon_device *rdev)
1011 {
1012 const char *fw_name = NULL;
1013 int err;
1014
1015 DRM_DEBUG_KMS("\n");
1016
1017 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
1018 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
1019 (rdev->family == CHIP_RS200)) {
1020 DRM_INFO("Loading R100 Microcode\n");
1021 fw_name = FIRMWARE_R100;
1022 } else if ((rdev->family == CHIP_R200) ||
1023 (rdev->family == CHIP_RV250) ||
1024 (rdev->family == CHIP_RV280) ||
1025 (rdev->family == CHIP_RS300)) {
1026 DRM_INFO("Loading R200 Microcode\n");
1027 fw_name = FIRMWARE_R200;
1028 } else if ((rdev->family == CHIP_R300) ||
1029 (rdev->family == CHIP_R350) ||
1030 (rdev->family == CHIP_RV350) ||
1031 (rdev->family == CHIP_RV380) ||
1032 (rdev->family == CHIP_RS400) ||
1033 (rdev->family == CHIP_RS480)) {
1034 DRM_INFO("Loading R300 Microcode\n");
1035 fw_name = FIRMWARE_R300;
1036 } else if ((rdev->family == CHIP_R420) ||
1037 (rdev->family == CHIP_R423) ||
1038 (rdev->family == CHIP_RV410)) {
1039 DRM_INFO("Loading R400 Microcode\n");
1040 fw_name = FIRMWARE_R420;
1041 } else if ((rdev->family == CHIP_RS690) ||
1042 (rdev->family == CHIP_RS740)) {
1043 DRM_INFO("Loading RS690/RS740 Microcode\n");
1044 fw_name = FIRMWARE_RS690;
1045 } else if (rdev->family == CHIP_RS600) {
1046 DRM_INFO("Loading RS600 Microcode\n");
1047 fw_name = FIRMWARE_RS600;
1048 } else if ((rdev->family == CHIP_RV515) ||
1049 (rdev->family == CHIP_R520) ||
1050 (rdev->family == CHIP_RV530) ||
1051 (rdev->family == CHIP_R580) ||
1052 (rdev->family == CHIP_RV560) ||
1053 (rdev->family == CHIP_RV570)) {
1054 DRM_INFO("Loading R500 Microcode\n");
1055 fw_name = FIRMWARE_R520;
1056 }
1057
1058 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1059 if (err) {
1060 pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name);
1061 } else if (rdev->me_fw->size % 8) {
1062 pr_err("radeon_cp: Bogus length %zu in firmware \"%s\"\n",
1063 rdev->me_fw->size, fw_name);
1064 err = -EINVAL;
1065 release_firmware(rdev->me_fw);
1066 rdev->me_fw = NULL;
1067 }
1068 return err;
1069 }
1070
r100_gfx_get_rptr(struct radeon_device * rdev,struct radeon_ring * ring)1071 u32 r100_gfx_get_rptr(struct radeon_device *rdev,
1072 struct radeon_ring *ring)
1073 {
1074 u32 rptr;
1075
1076 if (rdev->wb.enabled)
1077 rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
1078 else
1079 rptr = RREG32(RADEON_CP_RB_RPTR);
1080
1081 return rptr;
1082 }
1083
r100_gfx_get_wptr(struct radeon_device * rdev,struct radeon_ring * ring)1084 u32 r100_gfx_get_wptr(struct radeon_device *rdev,
1085 struct radeon_ring *ring)
1086 {
1087 return RREG32(RADEON_CP_RB_WPTR);
1088 }
1089
r100_gfx_set_wptr(struct radeon_device * rdev,struct radeon_ring * ring)1090 void r100_gfx_set_wptr(struct radeon_device *rdev,
1091 struct radeon_ring *ring)
1092 {
1093 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1094 (void)RREG32(RADEON_CP_RB_WPTR);
1095 }
1096
r100_cp_load_microcode(struct radeon_device * rdev)1097 static void r100_cp_load_microcode(struct radeon_device *rdev)
1098 {
1099 const __be32 *fw_data;
1100 int i, size;
1101
1102 if (r100_gui_wait_for_idle(rdev)) {
1103 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
1104 }
1105
1106 if (rdev->me_fw) {
1107 size = rdev->me_fw->size / 4;
1108 fw_data = (const __be32 *)&rdev->me_fw->data[0];
1109 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1110 for (i = 0; i < size; i += 2) {
1111 WREG32(RADEON_CP_ME_RAM_DATAH,
1112 be32_to_cpup(&fw_data[i]));
1113 WREG32(RADEON_CP_ME_RAM_DATAL,
1114 be32_to_cpup(&fw_data[i + 1]));
1115 }
1116 }
1117 }
1118
r100_cp_init(struct radeon_device * rdev,unsigned ring_size)1119 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1120 {
1121 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1122 unsigned rb_bufsz;
1123 unsigned rb_blksz;
1124 unsigned max_fetch;
1125 unsigned pre_write_timer;
1126 unsigned pre_write_limit;
1127 unsigned indirect2_start;
1128 unsigned indirect1_start;
1129 uint32_t tmp;
1130 int r;
1131
1132 r100_debugfs_cp_init(rdev);
1133 if (!rdev->me_fw) {
1134 r = r100_cp_init_microcode(rdev);
1135 if (r) {
1136 DRM_ERROR("Failed to load firmware!\n");
1137 return r;
1138 }
1139 }
1140
1141 /* Align ring size */
1142 rb_bufsz = order_base_2(ring_size / 8);
1143 ring_size = (1 << (rb_bufsz + 1)) * 4;
1144 r100_cp_load_microcode(rdev);
1145 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1146 RADEON_CP_PACKET2);
1147 if (r) {
1148 return r;
1149 }
1150 /* Each time the cp read 1024 bytes (16 dword/quadword) update
1151 * the rptr copy in system ram */
1152 rb_blksz = 9;
1153 /* cp will read 128bytes at a time (4 dwords) */
1154 max_fetch = 1;
1155 ring->align_mask = 16 - 1;
1156 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1157 pre_write_timer = 64;
1158 /* Force CP_RB_WPTR write if written more than one time before the
1159 * delay expire
1160 */
1161 pre_write_limit = 0;
1162 /* Setup the cp cache like this (cache size is 96 dwords) :
1163 * RING 0 to 15
1164 * INDIRECT1 16 to 79
1165 * INDIRECT2 80 to 95
1166 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1167 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1168 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1169 * Idea being that most of the gpu cmd will be through indirect1 buffer
1170 * so it gets the bigger cache.
1171 */
1172 indirect2_start = 80;
1173 indirect1_start = 16;
1174 /* cp setup */
1175 WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1176 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1177 REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1178 REG_SET(RADEON_MAX_FETCH, max_fetch));
1179 #ifdef __BIG_ENDIAN
1180 tmp |= RADEON_BUF_SWAP_32BIT;
1181 #endif
1182 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1183
1184 /* Set ring address */
1185 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1186 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1187 /* Force read & write ptr to 0 */
1188 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1189 WREG32(RADEON_CP_RB_RPTR_WR, 0);
1190 ring->wptr = 0;
1191 WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1192
1193 /* set the wb address whether it's enabled or not */
1194 WREG32(R_00070C_CP_RB_RPTR_ADDR,
1195 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1196 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1197
1198 if (rdev->wb.enabled)
1199 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1200 else {
1201 tmp |= RADEON_RB_NO_UPDATE;
1202 WREG32(R_000770_SCRATCH_UMSK, 0);
1203 }
1204
1205 WREG32(RADEON_CP_RB_CNTL, tmp);
1206 udelay(10);
1207 /* Set cp mode to bus mastering & enable cp*/
1208 WREG32(RADEON_CP_CSQ_MODE,
1209 REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1210 REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1211 WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1212 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1213 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1214
1215 /* at this point everything should be setup correctly to enable master */
1216 pci_set_master(rdev->pdev);
1217
1218 radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1219 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1220 if (r) {
1221 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1222 return r;
1223 }
1224 ring->ready = true;
1225 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1226
1227 if (!ring->rptr_save_reg /* not resuming from suspend */
1228 && radeon_ring_supports_scratch_reg(rdev, ring)) {
1229 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
1230 if (r) {
1231 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
1232 ring->rptr_save_reg = 0;
1233 }
1234 }
1235 return 0;
1236 }
1237
r100_cp_fini(struct radeon_device * rdev)1238 void r100_cp_fini(struct radeon_device *rdev)
1239 {
1240 if (r100_cp_wait_for_idle(rdev)) {
1241 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1242 }
1243 /* Disable ring */
1244 r100_cp_disable(rdev);
1245 radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
1246 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1247 DRM_INFO("radeon: cp finalized\n");
1248 }
1249
r100_cp_disable(struct radeon_device * rdev)1250 void r100_cp_disable(struct radeon_device *rdev)
1251 {
1252 /* Disable ring */
1253 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1254 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1255 WREG32(RADEON_CP_CSQ_MODE, 0);
1256 WREG32(RADEON_CP_CSQ_CNTL, 0);
1257 WREG32(R_000770_SCRATCH_UMSK, 0);
1258 if (r100_gui_wait_for_idle(rdev)) {
1259 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
1260 }
1261 }
1262
1263 /*
1264 * CS functions
1265 */
r100_reloc_pitch_offset(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,unsigned idx,unsigned reg)1266 int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
1267 struct radeon_cs_packet *pkt,
1268 unsigned idx,
1269 unsigned reg)
1270 {
1271 int r;
1272 u32 tile_flags = 0;
1273 u32 tmp;
1274 struct radeon_bo_list *reloc;
1275 u32 value;
1276
1277 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1278 if (r) {
1279 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1280 idx, reg);
1281 radeon_cs_dump_packet(p, pkt);
1282 return r;
1283 }
1284
1285 value = radeon_get_ib_value(p, idx);
1286 tmp = value & 0x003fffff;
1287 tmp += (((u32)reloc->gpu_offset) >> 10);
1288
1289 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1290 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1291 tile_flags |= RADEON_DST_TILE_MACRO;
1292 if (reloc->tiling_flags & RADEON_TILING_MICRO) {
1293 if (reg == RADEON_SRC_PITCH_OFFSET) {
1294 DRM_ERROR("Cannot src blit from microtiled surface\n");
1295 radeon_cs_dump_packet(p, pkt);
1296 return -EINVAL;
1297 }
1298 tile_flags |= RADEON_DST_TILE_MICRO;
1299 }
1300
1301 tmp |= tile_flags;
1302 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp;
1303 } else
1304 p->ib.ptr[idx] = (value & 0xffc00000) | tmp;
1305 return 0;
1306 }
1307
r100_packet3_load_vbpntr(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,int idx)1308 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
1309 struct radeon_cs_packet *pkt,
1310 int idx)
1311 {
1312 unsigned c, i;
1313 struct radeon_bo_list *reloc;
1314 struct r100_cs_track *track;
1315 int r = 0;
1316 volatile uint32_t *ib;
1317 u32 idx_value;
1318
1319 ib = p->ib.ptr;
1320 track = (struct r100_cs_track *)p->track;
1321 c = radeon_get_ib_value(p, idx++) & 0x1F;
1322 if (c > 16) {
1323 DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
1324 pkt->opcode);
1325 radeon_cs_dump_packet(p, pkt);
1326 return -EINVAL;
1327 }
1328 track->num_arrays = c;
1329 for (i = 0; i < (c - 1); i+=2, idx+=3) {
1330 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1331 if (r) {
1332 DRM_ERROR("No reloc for packet3 %d\n",
1333 pkt->opcode);
1334 radeon_cs_dump_packet(p, pkt);
1335 return r;
1336 }
1337 idx_value = radeon_get_ib_value(p, idx);
1338 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1339
1340 track->arrays[i + 0].esize = idx_value >> 8;
1341 track->arrays[i + 0].robj = reloc->robj;
1342 track->arrays[i + 0].esize &= 0x7F;
1343 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1344 if (r) {
1345 DRM_ERROR("No reloc for packet3 %d\n",
1346 pkt->opcode);
1347 radeon_cs_dump_packet(p, pkt);
1348 return r;
1349 }
1350 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->gpu_offset);
1351 track->arrays[i + 1].robj = reloc->robj;
1352 track->arrays[i + 1].esize = idx_value >> 24;
1353 track->arrays[i + 1].esize &= 0x7F;
1354 }
1355 if (c & 1) {
1356 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1357 if (r) {
1358 DRM_ERROR("No reloc for packet3 %d\n",
1359 pkt->opcode);
1360 radeon_cs_dump_packet(p, pkt);
1361 return r;
1362 }
1363 idx_value = radeon_get_ib_value(p, idx);
1364 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1365 track->arrays[i + 0].robj = reloc->robj;
1366 track->arrays[i + 0].esize = idx_value >> 8;
1367 track->arrays[i + 0].esize &= 0x7F;
1368 }
1369 return r;
1370 }
1371
r100_cs_parse_packet0(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,const unsigned * auth,unsigned n,radeon_packet0_check_t check)1372 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1373 struct radeon_cs_packet *pkt,
1374 const unsigned *auth, unsigned n,
1375 radeon_packet0_check_t check)
1376 {
1377 unsigned reg;
1378 unsigned i, j, m;
1379 unsigned idx;
1380 int r;
1381
1382 idx = pkt->idx + 1;
1383 reg = pkt->reg;
1384 /* Check that register fall into register range
1385 * determined by the number of entry (n) in the
1386 * safe register bitmap.
1387 */
1388 if (pkt->one_reg_wr) {
1389 if ((reg >> 7) > n) {
1390 return -EINVAL;
1391 }
1392 } else {
1393 if (((reg + (pkt->count << 2)) >> 7) > n) {
1394 return -EINVAL;
1395 }
1396 }
1397 for (i = 0; i <= pkt->count; i++, idx++) {
1398 j = (reg >> 7);
1399 m = 1 << ((reg >> 2) & 31);
1400 if (auth[j] & m) {
1401 r = check(p, pkt, idx, reg);
1402 if (r) {
1403 return r;
1404 }
1405 }
1406 if (pkt->one_reg_wr) {
1407 if (!(auth[j] & m)) {
1408 break;
1409 }
1410 } else {
1411 reg += 4;
1412 }
1413 }
1414 return 0;
1415 }
1416
1417 /**
1418 * r100_cs_packet_parse_vline() - parse userspace VLINE packet
1419 * @p: parser structure holding parsing context.
1420 *
1421 * Userspace sends a special sequence for VLINE waits.
1422 * PACKET0 - VLINE_START_END + value
1423 * PACKET0 - WAIT_UNTIL +_value
1424 * RELOC (P3) - crtc_id in reloc.
1425 *
1426 * This function parses this and relocates the VLINE START END
1427 * and WAIT UNTIL packets to the correct crtc.
1428 * It also detects a switched off crtc and nulls out the
1429 * wait in that case.
1430 */
r100_cs_packet_parse_vline(struct radeon_cs_parser * p)1431 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1432 {
1433 struct drm_crtc *crtc;
1434 struct radeon_crtc *radeon_crtc;
1435 struct radeon_cs_packet p3reloc, waitreloc;
1436 int crtc_id;
1437 int r;
1438 uint32_t header, h_idx, reg;
1439 volatile uint32_t *ib;
1440
1441 ib = p->ib.ptr;
1442
1443 /* parse the wait until */
1444 r = radeon_cs_packet_parse(p, &waitreloc, p->idx);
1445 if (r)
1446 return r;
1447
1448 /* check its a wait until and only 1 count */
1449 if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1450 waitreloc.count != 0) {
1451 DRM_ERROR("vline wait had illegal wait until segment\n");
1452 return -EINVAL;
1453 }
1454
1455 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1456 DRM_ERROR("vline wait had illegal wait until\n");
1457 return -EINVAL;
1458 }
1459
1460 /* jump over the NOP */
1461 r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1462 if (r)
1463 return r;
1464
1465 h_idx = p->idx - 2;
1466 p->idx += waitreloc.count + 2;
1467 p->idx += p3reloc.count + 2;
1468
1469 header = radeon_get_ib_value(p, h_idx);
1470 crtc_id = radeon_get_ib_value(p, h_idx + 5);
1471 reg = R100_CP_PACKET0_GET_REG(header);
1472 crtc = drm_crtc_find(p->rdev->ddev, p->filp, crtc_id);
1473 if (!crtc) {
1474 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1475 return -ENOENT;
1476 }
1477 radeon_crtc = to_radeon_crtc(crtc);
1478 crtc_id = radeon_crtc->crtc_id;
1479
1480 if (!crtc->enabled) {
1481 /* if the CRTC isn't enabled - we need to nop out the wait until */
1482 ib[h_idx + 2] = PACKET2(0);
1483 ib[h_idx + 3] = PACKET2(0);
1484 } else if (crtc_id == 1) {
1485 switch (reg) {
1486 case AVIVO_D1MODE_VLINE_START_END:
1487 header &= ~R300_CP_PACKET0_REG_MASK;
1488 header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1489 break;
1490 case RADEON_CRTC_GUI_TRIG_VLINE:
1491 header &= ~R300_CP_PACKET0_REG_MASK;
1492 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1493 break;
1494 default:
1495 DRM_ERROR("unknown crtc reloc\n");
1496 return -EINVAL;
1497 }
1498 ib[h_idx] = header;
1499 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1500 }
1501
1502 return 0;
1503 }
1504
r100_get_vtx_size(uint32_t vtx_fmt)1505 static int r100_get_vtx_size(uint32_t vtx_fmt)
1506 {
1507 int vtx_size;
1508 vtx_size = 2;
1509 /* ordered according to bits in spec */
1510 if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1511 vtx_size++;
1512 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1513 vtx_size += 3;
1514 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1515 vtx_size++;
1516 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1517 vtx_size++;
1518 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1519 vtx_size += 3;
1520 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1521 vtx_size++;
1522 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1523 vtx_size++;
1524 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1525 vtx_size += 2;
1526 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1527 vtx_size += 2;
1528 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1529 vtx_size++;
1530 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1531 vtx_size += 2;
1532 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1533 vtx_size++;
1534 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1535 vtx_size += 2;
1536 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1537 vtx_size++;
1538 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1539 vtx_size++;
1540 /* blend weight */
1541 if (vtx_fmt & (0x7 << 15))
1542 vtx_size += (vtx_fmt >> 15) & 0x7;
1543 if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1544 vtx_size += 3;
1545 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1546 vtx_size += 2;
1547 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1548 vtx_size++;
1549 if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1550 vtx_size++;
1551 if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1552 vtx_size++;
1553 if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1554 vtx_size++;
1555 return vtx_size;
1556 }
1557
r100_packet0_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,unsigned idx,unsigned reg)1558 static int r100_packet0_check(struct radeon_cs_parser *p,
1559 struct radeon_cs_packet *pkt,
1560 unsigned idx, unsigned reg)
1561 {
1562 struct radeon_bo_list *reloc;
1563 struct r100_cs_track *track;
1564 volatile uint32_t *ib;
1565 uint32_t tmp;
1566 int r;
1567 int i, face;
1568 u32 tile_flags = 0;
1569 u32 idx_value;
1570
1571 ib = p->ib.ptr;
1572 track = (struct r100_cs_track *)p->track;
1573
1574 idx_value = radeon_get_ib_value(p, idx);
1575
1576 switch (reg) {
1577 case RADEON_CRTC_GUI_TRIG_VLINE:
1578 r = r100_cs_packet_parse_vline(p);
1579 if (r) {
1580 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1581 idx, reg);
1582 radeon_cs_dump_packet(p, pkt);
1583 return r;
1584 }
1585 break;
1586 /* FIXME: only allow PACKET3 blit? easier to check for out of
1587 * range access */
1588 case RADEON_DST_PITCH_OFFSET:
1589 case RADEON_SRC_PITCH_OFFSET:
1590 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1591 if (r)
1592 return r;
1593 break;
1594 case RADEON_RB3D_DEPTHOFFSET:
1595 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1596 if (r) {
1597 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1598 idx, reg);
1599 radeon_cs_dump_packet(p, pkt);
1600 return r;
1601 }
1602 track->zb.robj = reloc->robj;
1603 track->zb.offset = idx_value;
1604 track->zb_dirty = true;
1605 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1606 break;
1607 case RADEON_RB3D_COLOROFFSET:
1608 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1609 if (r) {
1610 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1611 idx, reg);
1612 radeon_cs_dump_packet(p, pkt);
1613 return r;
1614 }
1615 track->cb[0].robj = reloc->robj;
1616 track->cb[0].offset = idx_value;
1617 track->cb_dirty = true;
1618 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1619 break;
1620 case RADEON_PP_TXOFFSET_0:
1621 case RADEON_PP_TXOFFSET_1:
1622 case RADEON_PP_TXOFFSET_2:
1623 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1624 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1625 if (r) {
1626 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1627 idx, reg);
1628 radeon_cs_dump_packet(p, pkt);
1629 return r;
1630 }
1631 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1632 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1633 tile_flags |= RADEON_TXO_MACRO_TILE;
1634 if (reloc->tiling_flags & RADEON_TILING_MICRO)
1635 tile_flags |= RADEON_TXO_MICRO_TILE_X2;
1636
1637 tmp = idx_value & ~(0x7 << 2);
1638 tmp |= tile_flags;
1639 ib[idx] = tmp + ((u32)reloc->gpu_offset);
1640 } else
1641 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1642 track->textures[i].robj = reloc->robj;
1643 track->tex_dirty = true;
1644 break;
1645 case RADEON_PP_CUBIC_OFFSET_T0_0:
1646 case RADEON_PP_CUBIC_OFFSET_T0_1:
1647 case RADEON_PP_CUBIC_OFFSET_T0_2:
1648 case RADEON_PP_CUBIC_OFFSET_T0_3:
1649 case RADEON_PP_CUBIC_OFFSET_T0_4:
1650 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1651 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1652 if (r) {
1653 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1654 idx, reg);
1655 radeon_cs_dump_packet(p, pkt);
1656 return r;
1657 }
1658 track->textures[0].cube_info[i].offset = idx_value;
1659 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1660 track->textures[0].cube_info[i].robj = reloc->robj;
1661 track->tex_dirty = true;
1662 break;
1663 case RADEON_PP_CUBIC_OFFSET_T1_0:
1664 case RADEON_PP_CUBIC_OFFSET_T1_1:
1665 case RADEON_PP_CUBIC_OFFSET_T1_2:
1666 case RADEON_PP_CUBIC_OFFSET_T1_3:
1667 case RADEON_PP_CUBIC_OFFSET_T1_4:
1668 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1669 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1670 if (r) {
1671 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1672 idx, reg);
1673 radeon_cs_dump_packet(p, pkt);
1674 return r;
1675 }
1676 track->textures[1].cube_info[i].offset = idx_value;
1677 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1678 track->textures[1].cube_info[i].robj = reloc->robj;
1679 track->tex_dirty = true;
1680 break;
1681 case RADEON_PP_CUBIC_OFFSET_T2_0:
1682 case RADEON_PP_CUBIC_OFFSET_T2_1:
1683 case RADEON_PP_CUBIC_OFFSET_T2_2:
1684 case RADEON_PP_CUBIC_OFFSET_T2_3:
1685 case RADEON_PP_CUBIC_OFFSET_T2_4:
1686 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1687 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1688 if (r) {
1689 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1690 idx, reg);
1691 radeon_cs_dump_packet(p, pkt);
1692 return r;
1693 }
1694 track->textures[2].cube_info[i].offset = idx_value;
1695 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1696 track->textures[2].cube_info[i].robj = reloc->robj;
1697 track->tex_dirty = true;
1698 break;
1699 case RADEON_RE_WIDTH_HEIGHT:
1700 track->maxy = ((idx_value >> 16) & 0x7FF);
1701 track->cb_dirty = true;
1702 track->zb_dirty = true;
1703 break;
1704 case RADEON_RB3D_COLORPITCH:
1705 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1706 if (r) {
1707 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1708 idx, reg);
1709 radeon_cs_dump_packet(p, pkt);
1710 return r;
1711 }
1712 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1713 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1714 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1715 if (reloc->tiling_flags & RADEON_TILING_MICRO)
1716 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1717
1718 tmp = idx_value & ~(0x7 << 16);
1719 tmp |= tile_flags;
1720 ib[idx] = tmp;
1721 } else
1722 ib[idx] = idx_value;
1723
1724 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1725 track->cb_dirty = true;
1726 break;
1727 case RADEON_RB3D_DEPTHPITCH:
1728 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1729 track->zb_dirty = true;
1730 break;
1731 case RADEON_RB3D_CNTL:
1732 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1733 case 7:
1734 case 8:
1735 case 9:
1736 case 11:
1737 case 12:
1738 track->cb[0].cpp = 1;
1739 break;
1740 case 3:
1741 case 4:
1742 case 15:
1743 track->cb[0].cpp = 2;
1744 break;
1745 case 6:
1746 track->cb[0].cpp = 4;
1747 break;
1748 default:
1749 DRM_ERROR("Invalid color buffer format (%d) !\n",
1750 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1751 return -EINVAL;
1752 }
1753 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1754 track->cb_dirty = true;
1755 track->zb_dirty = true;
1756 break;
1757 case RADEON_RB3D_ZSTENCILCNTL:
1758 switch (idx_value & 0xf) {
1759 case 0:
1760 track->zb.cpp = 2;
1761 break;
1762 case 2:
1763 case 3:
1764 case 4:
1765 case 5:
1766 case 9:
1767 case 11:
1768 track->zb.cpp = 4;
1769 break;
1770 default:
1771 break;
1772 }
1773 track->zb_dirty = true;
1774 break;
1775 case RADEON_RB3D_ZPASS_ADDR:
1776 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1777 if (r) {
1778 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1779 idx, reg);
1780 radeon_cs_dump_packet(p, pkt);
1781 return r;
1782 }
1783 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1784 break;
1785 case RADEON_PP_CNTL:
1786 {
1787 uint32_t temp = idx_value >> 4;
1788 for (i = 0; i < track->num_texture; i++)
1789 track->textures[i].enabled = !!(temp & (1 << i));
1790 track->tex_dirty = true;
1791 }
1792 break;
1793 case RADEON_SE_VF_CNTL:
1794 track->vap_vf_cntl = idx_value;
1795 break;
1796 case RADEON_SE_VTX_FMT:
1797 track->vtx_size = r100_get_vtx_size(idx_value);
1798 break;
1799 case RADEON_PP_TEX_SIZE_0:
1800 case RADEON_PP_TEX_SIZE_1:
1801 case RADEON_PP_TEX_SIZE_2:
1802 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1803 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1804 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1805 track->tex_dirty = true;
1806 break;
1807 case RADEON_PP_TEX_PITCH_0:
1808 case RADEON_PP_TEX_PITCH_1:
1809 case RADEON_PP_TEX_PITCH_2:
1810 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1811 track->textures[i].pitch = idx_value + 32;
1812 track->tex_dirty = true;
1813 break;
1814 case RADEON_PP_TXFILTER_0:
1815 case RADEON_PP_TXFILTER_1:
1816 case RADEON_PP_TXFILTER_2:
1817 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1818 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1819 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1820 tmp = (idx_value >> 23) & 0x7;
1821 if (tmp == 2 || tmp == 6)
1822 track->textures[i].roundup_w = false;
1823 tmp = (idx_value >> 27) & 0x7;
1824 if (tmp == 2 || tmp == 6)
1825 track->textures[i].roundup_h = false;
1826 track->tex_dirty = true;
1827 break;
1828 case RADEON_PP_TXFORMAT_0:
1829 case RADEON_PP_TXFORMAT_1:
1830 case RADEON_PP_TXFORMAT_2:
1831 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1832 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1833 track->textures[i].use_pitch = true;
1834 } else {
1835 track->textures[i].use_pitch = false;
1836 track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
1837 track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
1838 }
1839 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1840 track->textures[i].tex_coord_type = 2;
1841 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1842 case RADEON_TXFORMAT_I8:
1843 case RADEON_TXFORMAT_RGB332:
1844 case RADEON_TXFORMAT_Y8:
1845 track->textures[i].cpp = 1;
1846 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1847 break;
1848 case RADEON_TXFORMAT_AI88:
1849 case RADEON_TXFORMAT_ARGB1555:
1850 case RADEON_TXFORMAT_RGB565:
1851 case RADEON_TXFORMAT_ARGB4444:
1852 case RADEON_TXFORMAT_VYUY422:
1853 case RADEON_TXFORMAT_YVYU422:
1854 case RADEON_TXFORMAT_SHADOW16:
1855 case RADEON_TXFORMAT_LDUDV655:
1856 case RADEON_TXFORMAT_DUDV88:
1857 track->textures[i].cpp = 2;
1858 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1859 break;
1860 case RADEON_TXFORMAT_ARGB8888:
1861 case RADEON_TXFORMAT_RGBA8888:
1862 case RADEON_TXFORMAT_SHADOW32:
1863 case RADEON_TXFORMAT_LDUDUV8888:
1864 track->textures[i].cpp = 4;
1865 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1866 break;
1867 case RADEON_TXFORMAT_DXT1:
1868 track->textures[i].cpp = 1;
1869 track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1870 break;
1871 case RADEON_TXFORMAT_DXT23:
1872 case RADEON_TXFORMAT_DXT45:
1873 track->textures[i].cpp = 1;
1874 track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1875 break;
1876 }
1877 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1878 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1879 track->tex_dirty = true;
1880 break;
1881 case RADEON_PP_CUBIC_FACES_0:
1882 case RADEON_PP_CUBIC_FACES_1:
1883 case RADEON_PP_CUBIC_FACES_2:
1884 tmp = idx_value;
1885 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1886 for (face = 0; face < 4; face++) {
1887 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1888 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1889 }
1890 track->tex_dirty = true;
1891 break;
1892 default:
1893 pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
1894 return -EINVAL;
1895 }
1896 return 0;
1897 }
1898
r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,struct radeon_bo * robj)1899 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1900 struct radeon_cs_packet *pkt,
1901 struct radeon_bo *robj)
1902 {
1903 unsigned idx;
1904 u32 value;
1905 idx = pkt->idx + 1;
1906 value = radeon_get_ib_value(p, idx + 2);
1907 if ((value + 1) > radeon_bo_size(robj)) {
1908 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1909 "(need %u have %lu) !\n",
1910 value + 1,
1911 radeon_bo_size(robj));
1912 return -EINVAL;
1913 }
1914 return 0;
1915 }
1916
r100_packet3_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt)1917 static int r100_packet3_check(struct radeon_cs_parser *p,
1918 struct radeon_cs_packet *pkt)
1919 {
1920 struct radeon_bo_list *reloc;
1921 struct r100_cs_track *track;
1922 unsigned idx;
1923 volatile uint32_t *ib;
1924 int r;
1925
1926 ib = p->ib.ptr;
1927 idx = pkt->idx + 1;
1928 track = (struct r100_cs_track *)p->track;
1929 switch (pkt->opcode) {
1930 case PACKET3_3D_LOAD_VBPNTR:
1931 r = r100_packet3_load_vbpntr(p, pkt, idx);
1932 if (r)
1933 return r;
1934 break;
1935 case PACKET3_INDX_BUFFER:
1936 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1937 if (r) {
1938 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1939 radeon_cs_dump_packet(p, pkt);
1940 return r;
1941 }
1942 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset);
1943 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1944 if (r) {
1945 return r;
1946 }
1947 break;
1948 case 0x23:
1949 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1950 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1951 if (r) {
1952 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1953 radeon_cs_dump_packet(p, pkt);
1954 return r;
1955 }
1956 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset);
1957 track->num_arrays = 1;
1958 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1959
1960 track->arrays[0].robj = reloc->robj;
1961 track->arrays[0].esize = track->vtx_size;
1962
1963 track->max_indx = radeon_get_ib_value(p, idx+1);
1964
1965 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1966 track->immd_dwords = pkt->count - 1;
1967 r = r100_cs_track_check(p->rdev, track);
1968 if (r)
1969 return r;
1970 break;
1971 case PACKET3_3D_DRAW_IMMD:
1972 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1973 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1974 return -EINVAL;
1975 }
1976 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1977 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1978 track->immd_dwords = pkt->count - 1;
1979 r = r100_cs_track_check(p->rdev, track);
1980 if (r)
1981 return r;
1982 break;
1983 /* triggers drawing using in-packet vertex data */
1984 case PACKET3_3D_DRAW_IMMD_2:
1985 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1986 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1987 return -EINVAL;
1988 }
1989 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1990 track->immd_dwords = pkt->count;
1991 r = r100_cs_track_check(p->rdev, track);
1992 if (r)
1993 return r;
1994 break;
1995 /* triggers drawing using in-packet vertex data */
1996 case PACKET3_3D_DRAW_VBUF_2:
1997 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1998 r = r100_cs_track_check(p->rdev, track);
1999 if (r)
2000 return r;
2001 break;
2002 /* triggers drawing of vertex buffers setup elsewhere */
2003 case PACKET3_3D_DRAW_INDX_2:
2004 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
2005 r = r100_cs_track_check(p->rdev, track);
2006 if (r)
2007 return r;
2008 break;
2009 /* triggers drawing using indices to vertex buffer */
2010 case PACKET3_3D_DRAW_VBUF:
2011 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2012 r = r100_cs_track_check(p->rdev, track);
2013 if (r)
2014 return r;
2015 break;
2016 /* triggers drawing of vertex buffers setup elsewhere */
2017 case PACKET3_3D_DRAW_INDX:
2018 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2019 r = r100_cs_track_check(p->rdev, track);
2020 if (r)
2021 return r;
2022 break;
2023 /* triggers drawing using indices to vertex buffer */
2024 case PACKET3_3D_CLEAR_HIZ:
2025 case PACKET3_3D_CLEAR_ZMASK:
2026 if (p->rdev->hyperz_filp != p->filp)
2027 return -EINVAL;
2028 break;
2029 case PACKET3_NOP:
2030 break;
2031 default:
2032 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2033 return -EINVAL;
2034 }
2035 return 0;
2036 }
2037
r100_cs_parse(struct radeon_cs_parser * p)2038 int r100_cs_parse(struct radeon_cs_parser *p)
2039 {
2040 struct radeon_cs_packet pkt;
2041 struct r100_cs_track *track;
2042 int r;
2043
2044 track = kzalloc(sizeof(*track), GFP_KERNEL);
2045 if (!track)
2046 return -ENOMEM;
2047 r100_cs_track_clear(p->rdev, track);
2048 p->track = track;
2049 do {
2050 r = radeon_cs_packet_parse(p, &pkt, p->idx);
2051 if (r) {
2052 return r;
2053 }
2054 p->idx += pkt.count + 2;
2055 switch (pkt.type) {
2056 case RADEON_PACKET_TYPE0:
2057 if (p->rdev->family >= CHIP_R200)
2058 r = r100_cs_parse_packet0(p, &pkt,
2059 p->rdev->config.r100.reg_safe_bm,
2060 p->rdev->config.r100.reg_safe_bm_size,
2061 &r200_packet0_check);
2062 else
2063 r = r100_cs_parse_packet0(p, &pkt,
2064 p->rdev->config.r100.reg_safe_bm,
2065 p->rdev->config.r100.reg_safe_bm_size,
2066 &r100_packet0_check);
2067 break;
2068 case RADEON_PACKET_TYPE2:
2069 break;
2070 case RADEON_PACKET_TYPE3:
2071 r = r100_packet3_check(p, &pkt);
2072 break;
2073 default:
2074 DRM_ERROR("Unknown packet type %d !\n",
2075 pkt.type);
2076 return -EINVAL;
2077 }
2078 if (r)
2079 return r;
2080 } while (p->idx < p->chunk_ib->length_dw);
2081 return 0;
2082 }
2083
r100_cs_track_texture_print(struct r100_cs_track_texture * t)2084 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2085 {
2086 DRM_ERROR("pitch %d\n", t->pitch);
2087 DRM_ERROR("use_pitch %d\n", t->use_pitch);
2088 DRM_ERROR("width %d\n", t->width);
2089 DRM_ERROR("width_11 %d\n", t->width_11);
2090 DRM_ERROR("height %d\n", t->height);
2091 DRM_ERROR("height_11 %d\n", t->height_11);
2092 DRM_ERROR("num levels %d\n", t->num_levels);
2093 DRM_ERROR("depth %d\n", t->txdepth);
2094 DRM_ERROR("bpp %d\n", t->cpp);
2095 DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
2096 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
2097 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2098 DRM_ERROR("compress format %d\n", t->compress_format);
2099 }
2100
r100_track_compress_size(int compress_format,int w,int h)2101 static int r100_track_compress_size(int compress_format, int w, int h)
2102 {
2103 int block_width, block_height, block_bytes;
2104 int wblocks, hblocks;
2105 int min_wblocks;
2106 int sz;
2107
2108 block_width = 4;
2109 block_height = 4;
2110
2111 switch (compress_format) {
2112 case R100_TRACK_COMP_DXT1:
2113 block_bytes = 8;
2114 min_wblocks = 4;
2115 break;
2116 default:
2117 case R100_TRACK_COMP_DXT35:
2118 block_bytes = 16;
2119 min_wblocks = 2;
2120 break;
2121 }
2122
2123 hblocks = (h + block_height - 1) / block_height;
2124 wblocks = (w + block_width - 1) / block_width;
2125 if (wblocks < min_wblocks)
2126 wblocks = min_wblocks;
2127 sz = wblocks * hblocks * block_bytes;
2128 return sz;
2129 }
2130
r100_cs_track_cube(struct radeon_device * rdev,struct r100_cs_track * track,unsigned idx)2131 static int r100_cs_track_cube(struct radeon_device *rdev,
2132 struct r100_cs_track *track, unsigned idx)
2133 {
2134 unsigned face, w, h;
2135 struct radeon_bo *cube_robj;
2136 unsigned long size;
2137 unsigned compress_format = track->textures[idx].compress_format;
2138
2139 for (face = 0; face < 5; face++) {
2140 cube_robj = track->textures[idx].cube_info[face].robj;
2141 w = track->textures[idx].cube_info[face].width;
2142 h = track->textures[idx].cube_info[face].height;
2143
2144 if (compress_format) {
2145 size = r100_track_compress_size(compress_format, w, h);
2146 } else
2147 size = w * h;
2148 size *= track->textures[idx].cpp;
2149
2150 size += track->textures[idx].cube_info[face].offset;
2151
2152 if (size > radeon_bo_size(cube_robj)) {
2153 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2154 size, radeon_bo_size(cube_robj));
2155 r100_cs_track_texture_print(&track->textures[idx]);
2156 return -1;
2157 }
2158 }
2159 return 0;
2160 }
2161
r100_cs_track_texture_check(struct radeon_device * rdev,struct r100_cs_track * track)2162 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2163 struct r100_cs_track *track)
2164 {
2165 struct radeon_bo *robj;
2166 unsigned long size;
2167 unsigned u, i, w, h, d;
2168 int ret;
2169
2170 for (u = 0; u < track->num_texture; u++) {
2171 if (!track->textures[u].enabled)
2172 continue;
2173 if (track->textures[u].lookup_disable)
2174 continue;
2175 robj = track->textures[u].robj;
2176 if (robj == NULL) {
2177 DRM_ERROR("No texture bound to unit %u\n", u);
2178 return -EINVAL;
2179 }
2180 size = 0;
2181 for (i = 0; i <= track->textures[u].num_levels; i++) {
2182 if (track->textures[u].use_pitch) {
2183 if (rdev->family < CHIP_R300)
2184 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2185 else
2186 w = track->textures[u].pitch / (1 << i);
2187 } else {
2188 w = track->textures[u].width;
2189 if (rdev->family >= CHIP_RV515)
2190 w |= track->textures[u].width_11;
2191 w = w / (1 << i);
2192 if (track->textures[u].roundup_w)
2193 w = roundup_pow_of_two(w);
2194 }
2195 h = track->textures[u].height;
2196 if (rdev->family >= CHIP_RV515)
2197 h |= track->textures[u].height_11;
2198 h = h / (1 << i);
2199 if (track->textures[u].roundup_h)
2200 h = roundup_pow_of_two(h);
2201 if (track->textures[u].tex_coord_type == 1) {
2202 d = (1 << track->textures[u].txdepth) / (1 << i);
2203 if (!d)
2204 d = 1;
2205 } else {
2206 d = 1;
2207 }
2208 if (track->textures[u].compress_format) {
2209
2210 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2211 /* compressed textures are block based */
2212 } else
2213 size += w * h * d;
2214 }
2215 size *= track->textures[u].cpp;
2216
2217 switch (track->textures[u].tex_coord_type) {
2218 case 0:
2219 case 1:
2220 break;
2221 case 2:
2222 if (track->separate_cube) {
2223 ret = r100_cs_track_cube(rdev, track, u);
2224 if (ret)
2225 return ret;
2226 } else
2227 size *= 6;
2228 break;
2229 default:
2230 DRM_ERROR("Invalid texture coordinate type %u for unit "
2231 "%u\n", track->textures[u].tex_coord_type, u);
2232 return -EINVAL;
2233 }
2234 if (size > radeon_bo_size(robj)) {
2235 DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2236 "%lu\n", u, size, radeon_bo_size(robj));
2237 r100_cs_track_texture_print(&track->textures[u]);
2238 return -EINVAL;
2239 }
2240 }
2241 return 0;
2242 }
2243
r100_cs_track_check(struct radeon_device * rdev,struct r100_cs_track * track)2244 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2245 {
2246 unsigned i;
2247 unsigned long size;
2248 unsigned prim_walk;
2249 unsigned nverts;
2250 unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
2251
2252 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
2253 !track->blend_read_enable)
2254 num_cb = 0;
2255
2256 for (i = 0; i < num_cb; i++) {
2257 if (track->cb[i].robj == NULL) {
2258 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2259 return -EINVAL;
2260 }
2261 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2262 size += track->cb[i].offset;
2263 if (size > radeon_bo_size(track->cb[i].robj)) {
2264 DRM_ERROR("[drm] Buffer too small for color buffer %d "
2265 "(need %lu have %lu) !\n", i, size,
2266 radeon_bo_size(track->cb[i].robj));
2267 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2268 i, track->cb[i].pitch, track->cb[i].cpp,
2269 track->cb[i].offset, track->maxy);
2270 return -EINVAL;
2271 }
2272 }
2273 track->cb_dirty = false;
2274
2275 if (track->zb_dirty && track->z_enabled) {
2276 if (track->zb.robj == NULL) {
2277 DRM_ERROR("[drm] No buffer for z buffer !\n");
2278 return -EINVAL;
2279 }
2280 size = track->zb.pitch * track->zb.cpp * track->maxy;
2281 size += track->zb.offset;
2282 if (size > radeon_bo_size(track->zb.robj)) {
2283 DRM_ERROR("[drm] Buffer too small for z buffer "
2284 "(need %lu have %lu) !\n", size,
2285 radeon_bo_size(track->zb.robj));
2286 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2287 track->zb.pitch, track->zb.cpp,
2288 track->zb.offset, track->maxy);
2289 return -EINVAL;
2290 }
2291 }
2292 track->zb_dirty = false;
2293
2294 if (track->aa_dirty && track->aaresolve) {
2295 if (track->aa.robj == NULL) {
2296 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
2297 return -EINVAL;
2298 }
2299 /* I believe the format comes from colorbuffer0. */
2300 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
2301 size += track->aa.offset;
2302 if (size > radeon_bo_size(track->aa.robj)) {
2303 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
2304 "(need %lu have %lu) !\n", i, size,
2305 radeon_bo_size(track->aa.robj));
2306 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
2307 i, track->aa.pitch, track->cb[0].cpp,
2308 track->aa.offset, track->maxy);
2309 return -EINVAL;
2310 }
2311 }
2312 track->aa_dirty = false;
2313
2314 prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2315 if (track->vap_vf_cntl & (1 << 14)) {
2316 nverts = track->vap_alt_nverts;
2317 } else {
2318 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2319 }
2320 switch (prim_walk) {
2321 case 1:
2322 for (i = 0; i < track->num_arrays; i++) {
2323 size = track->arrays[i].esize * track->max_indx * 4UL;
2324 if (track->arrays[i].robj == NULL) {
2325 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2326 "bound\n", prim_walk, i);
2327 return -EINVAL;
2328 }
2329 if (size > radeon_bo_size(track->arrays[i].robj)) {
2330 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2331 "need %lu dwords have %lu dwords\n",
2332 prim_walk, i, size >> 2,
2333 radeon_bo_size(track->arrays[i].robj)
2334 >> 2);
2335 DRM_ERROR("Max indices %u\n", track->max_indx);
2336 return -EINVAL;
2337 }
2338 }
2339 break;
2340 case 2:
2341 for (i = 0; i < track->num_arrays; i++) {
2342 size = track->arrays[i].esize * (nverts - 1) * 4UL;
2343 if (track->arrays[i].robj == NULL) {
2344 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2345 "bound\n", prim_walk, i);
2346 return -EINVAL;
2347 }
2348 if (size > radeon_bo_size(track->arrays[i].robj)) {
2349 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2350 "need %lu dwords have %lu dwords\n",
2351 prim_walk, i, size >> 2,
2352 radeon_bo_size(track->arrays[i].robj)
2353 >> 2);
2354 return -EINVAL;
2355 }
2356 }
2357 break;
2358 case 3:
2359 size = track->vtx_size * nverts;
2360 if (size != track->immd_dwords) {
2361 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2362 track->immd_dwords, size);
2363 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2364 nverts, track->vtx_size);
2365 return -EINVAL;
2366 }
2367 break;
2368 default:
2369 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2370 prim_walk);
2371 return -EINVAL;
2372 }
2373
2374 if (track->tex_dirty) {
2375 track->tex_dirty = false;
2376 return r100_cs_track_texture_check(rdev, track);
2377 }
2378 return 0;
2379 }
2380
r100_cs_track_clear(struct radeon_device * rdev,struct r100_cs_track * track)2381 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2382 {
2383 unsigned i, face;
2384
2385 track->cb_dirty = true;
2386 track->zb_dirty = true;
2387 track->tex_dirty = true;
2388 track->aa_dirty = true;
2389
2390 if (rdev->family < CHIP_R300) {
2391 track->num_cb = 1;
2392 if (rdev->family <= CHIP_RS200)
2393 track->num_texture = 3;
2394 else
2395 track->num_texture = 6;
2396 track->maxy = 2048;
2397 track->separate_cube = true;
2398 } else {
2399 track->num_cb = 4;
2400 track->num_texture = 16;
2401 track->maxy = 4096;
2402 track->separate_cube = false;
2403 track->aaresolve = false;
2404 track->aa.robj = NULL;
2405 }
2406
2407 for (i = 0; i < track->num_cb; i++) {
2408 track->cb[i].robj = NULL;
2409 track->cb[i].pitch = 8192;
2410 track->cb[i].cpp = 16;
2411 track->cb[i].offset = 0;
2412 }
2413 track->z_enabled = true;
2414 track->zb.robj = NULL;
2415 track->zb.pitch = 8192;
2416 track->zb.cpp = 4;
2417 track->zb.offset = 0;
2418 track->vtx_size = 0x7F;
2419 track->immd_dwords = 0xFFFFFFFFUL;
2420 track->num_arrays = 11;
2421 track->max_indx = 0x00FFFFFFUL;
2422 for (i = 0; i < track->num_arrays; i++) {
2423 track->arrays[i].robj = NULL;
2424 track->arrays[i].esize = 0x7F;
2425 }
2426 for (i = 0; i < track->num_texture; i++) {
2427 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
2428 track->textures[i].pitch = 16536;
2429 track->textures[i].width = 16536;
2430 track->textures[i].height = 16536;
2431 track->textures[i].width_11 = 1 << 11;
2432 track->textures[i].height_11 = 1 << 11;
2433 track->textures[i].num_levels = 12;
2434 if (rdev->family <= CHIP_RS200) {
2435 track->textures[i].tex_coord_type = 0;
2436 track->textures[i].txdepth = 0;
2437 } else {
2438 track->textures[i].txdepth = 16;
2439 track->textures[i].tex_coord_type = 1;
2440 }
2441 track->textures[i].cpp = 64;
2442 track->textures[i].robj = NULL;
2443 /* CS IB emission code makes sure texture unit are disabled */
2444 track->textures[i].enabled = false;
2445 track->textures[i].lookup_disable = false;
2446 track->textures[i].roundup_w = true;
2447 track->textures[i].roundup_h = true;
2448 if (track->separate_cube)
2449 for (face = 0; face < 5; face++) {
2450 track->textures[i].cube_info[face].robj = NULL;
2451 track->textures[i].cube_info[face].width = 16536;
2452 track->textures[i].cube_info[face].height = 16536;
2453 track->textures[i].cube_info[face].offset = 0;
2454 }
2455 }
2456 }
2457
2458 /*
2459 * Global GPU functions
2460 */
r100_errata(struct radeon_device * rdev)2461 static void r100_errata(struct radeon_device *rdev)
2462 {
2463 rdev->pll_errata = 0;
2464
2465 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2466 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2467 }
2468
2469 if (rdev->family == CHIP_RV100 ||
2470 rdev->family == CHIP_RS100 ||
2471 rdev->family == CHIP_RS200) {
2472 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2473 }
2474 }
2475
r100_rbbm_fifo_wait_for_entry(struct radeon_device * rdev,unsigned n)2476 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2477 {
2478 unsigned i;
2479 uint32_t tmp;
2480
2481 for (i = 0; i < rdev->usec_timeout; i++) {
2482 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2483 if (tmp >= n) {
2484 return 0;
2485 }
2486 udelay(1);
2487 }
2488 return -1;
2489 }
2490
r100_gui_wait_for_idle(struct radeon_device * rdev)2491 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2492 {
2493 unsigned i;
2494 uint32_t tmp;
2495
2496 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2497 pr_warn("radeon: wait for empty RBBM fifo failed! Bad things might happen.\n");
2498 }
2499 for (i = 0; i < rdev->usec_timeout; i++) {
2500 tmp = RREG32(RADEON_RBBM_STATUS);
2501 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2502 return 0;
2503 }
2504 udelay(1);
2505 }
2506 return -1;
2507 }
2508
r100_mc_wait_for_idle(struct radeon_device * rdev)2509 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2510 {
2511 unsigned i;
2512 uint32_t tmp;
2513
2514 for (i = 0; i < rdev->usec_timeout; i++) {
2515 /* read MC_STATUS */
2516 tmp = RREG32(RADEON_MC_STATUS);
2517 if (tmp & RADEON_MC_IDLE) {
2518 return 0;
2519 }
2520 udelay(1);
2521 }
2522 return -1;
2523 }
2524
r100_gpu_is_lockup(struct radeon_device * rdev,struct radeon_ring * ring)2525 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2526 {
2527 u32 rbbm_status;
2528
2529 rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2530 if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2531 radeon_ring_lockup_update(rdev, ring);
2532 return false;
2533 }
2534 return radeon_ring_test_lockup(rdev, ring);
2535 }
2536
2537 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
r100_enable_bm(struct radeon_device * rdev)2538 void r100_enable_bm(struct radeon_device *rdev)
2539 {
2540 uint32_t tmp;
2541 /* Enable bus mastering */
2542 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
2543 WREG32(RADEON_BUS_CNTL, tmp);
2544 }
2545
r100_bm_disable(struct radeon_device * rdev)2546 void r100_bm_disable(struct radeon_device *rdev)
2547 {
2548 u32 tmp;
2549
2550 /* disable bus mastering */
2551 tmp = RREG32(R_000030_BUS_CNTL);
2552 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2553 mdelay(1);
2554 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2555 mdelay(1);
2556 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2557 tmp = RREG32(RADEON_BUS_CNTL);
2558 mdelay(1);
2559 pci_clear_master(rdev->pdev);
2560 mdelay(1);
2561 }
2562
r100_asic_reset(struct radeon_device * rdev,bool hard)2563 int r100_asic_reset(struct radeon_device *rdev, bool hard)
2564 {
2565 struct r100_mc_save save;
2566 u32 status, tmp;
2567 int ret = 0;
2568
2569 status = RREG32(R_000E40_RBBM_STATUS);
2570 if (!G_000E40_GUI_ACTIVE(status)) {
2571 return 0;
2572 }
2573 r100_mc_stop(rdev, &save);
2574 status = RREG32(R_000E40_RBBM_STATUS);
2575 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2576 /* stop CP */
2577 WREG32(RADEON_CP_CSQ_CNTL, 0);
2578 tmp = RREG32(RADEON_CP_RB_CNTL);
2579 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2580 WREG32(RADEON_CP_RB_RPTR_WR, 0);
2581 WREG32(RADEON_CP_RB_WPTR, 0);
2582 WREG32(RADEON_CP_RB_CNTL, tmp);
2583 /* save PCI state */
2584 pci_save_state(rdev->pdev);
2585 /* disable bus mastering */
2586 r100_bm_disable(rdev);
2587 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2588 S_0000F0_SOFT_RESET_RE(1) |
2589 S_0000F0_SOFT_RESET_PP(1) |
2590 S_0000F0_SOFT_RESET_RB(1));
2591 RREG32(R_0000F0_RBBM_SOFT_RESET);
2592 mdelay(500);
2593 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2594 mdelay(1);
2595 status = RREG32(R_000E40_RBBM_STATUS);
2596 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2597 /* reset CP */
2598 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2599 RREG32(R_0000F0_RBBM_SOFT_RESET);
2600 mdelay(500);
2601 WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2602 mdelay(1);
2603 status = RREG32(R_000E40_RBBM_STATUS);
2604 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2605 /* restore PCI & busmastering */
2606 pci_restore_state(rdev->pdev);
2607 r100_enable_bm(rdev);
2608 /* Check if GPU is idle */
2609 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2610 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2611 dev_err(rdev->dev, "failed to reset GPU\n");
2612 ret = -1;
2613 } else
2614 dev_info(rdev->dev, "GPU reset succeed\n");
2615 r100_mc_resume(rdev, &save);
2616 return ret;
2617 }
2618
r100_set_common_regs(struct radeon_device * rdev)2619 void r100_set_common_regs(struct radeon_device *rdev)
2620 {
2621 bool force_dac2 = false;
2622 u32 tmp;
2623
2624 /* set these so they don't interfere with anything */
2625 WREG32(RADEON_OV0_SCALE_CNTL, 0);
2626 WREG32(RADEON_SUBPIC_CNTL, 0);
2627 WREG32(RADEON_VIPH_CONTROL, 0);
2628 WREG32(RADEON_I2C_CNTL_1, 0);
2629 WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2630 WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2631 WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2632
2633 /* always set up dac2 on rn50 and some rv100 as lots
2634 * of servers seem to wire it up to a VGA port but
2635 * don't report it in the bios connector
2636 * table.
2637 */
2638 switch (rdev->pdev->device) {
2639 /* RN50 */
2640 case 0x515e:
2641 case 0x5969:
2642 force_dac2 = true;
2643 break;
2644 /* RV100*/
2645 case 0x5159:
2646 case 0x515a:
2647 /* DELL triple head servers */
2648 if ((rdev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2649 ((rdev->pdev->subsystem_device == 0x016c) ||
2650 (rdev->pdev->subsystem_device == 0x016d) ||
2651 (rdev->pdev->subsystem_device == 0x016e) ||
2652 (rdev->pdev->subsystem_device == 0x016f) ||
2653 (rdev->pdev->subsystem_device == 0x0170) ||
2654 (rdev->pdev->subsystem_device == 0x017d) ||
2655 (rdev->pdev->subsystem_device == 0x017e) ||
2656 (rdev->pdev->subsystem_device == 0x0183) ||
2657 (rdev->pdev->subsystem_device == 0x018a) ||
2658 (rdev->pdev->subsystem_device == 0x019a)))
2659 force_dac2 = true;
2660 break;
2661 }
2662
2663 if (force_dac2) {
2664 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2665 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2666 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2667
2668 /* For CRT on DAC2, don't turn it on if BIOS didn't
2669 enable it, even it's detected.
2670 */
2671
2672 /* force it to crtc0 */
2673 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2674 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2675 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2676
2677 /* set up the TV DAC */
2678 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2679 RADEON_TV_DAC_STD_MASK |
2680 RADEON_TV_DAC_RDACPD |
2681 RADEON_TV_DAC_GDACPD |
2682 RADEON_TV_DAC_BDACPD |
2683 RADEON_TV_DAC_BGADJ_MASK |
2684 RADEON_TV_DAC_DACADJ_MASK);
2685 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2686 RADEON_TV_DAC_NHOLD |
2687 RADEON_TV_DAC_STD_PS2 |
2688 (0x58 << 16));
2689
2690 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2691 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2692 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2693 }
2694
2695 /* switch PM block to ACPI mode */
2696 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2697 tmp &= ~RADEON_PM_MODE_SEL;
2698 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2699
2700 }
2701
2702 /*
2703 * VRAM info
2704 */
r100_vram_get_type(struct radeon_device * rdev)2705 static void r100_vram_get_type(struct radeon_device *rdev)
2706 {
2707 uint32_t tmp;
2708
2709 rdev->mc.vram_is_ddr = false;
2710 if (rdev->flags & RADEON_IS_IGP)
2711 rdev->mc.vram_is_ddr = true;
2712 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2713 rdev->mc.vram_is_ddr = true;
2714 if ((rdev->family == CHIP_RV100) ||
2715 (rdev->family == CHIP_RS100) ||
2716 (rdev->family == CHIP_RS200)) {
2717 tmp = RREG32(RADEON_MEM_CNTL);
2718 if (tmp & RV100_HALF_MODE) {
2719 rdev->mc.vram_width = 32;
2720 } else {
2721 rdev->mc.vram_width = 64;
2722 }
2723 if (rdev->flags & RADEON_SINGLE_CRTC) {
2724 rdev->mc.vram_width /= 4;
2725 rdev->mc.vram_is_ddr = true;
2726 }
2727 } else if (rdev->family <= CHIP_RV280) {
2728 tmp = RREG32(RADEON_MEM_CNTL);
2729 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2730 rdev->mc.vram_width = 128;
2731 } else {
2732 rdev->mc.vram_width = 64;
2733 }
2734 } else {
2735 /* newer IGPs */
2736 rdev->mc.vram_width = 128;
2737 }
2738 }
2739
r100_get_accessible_vram(struct radeon_device * rdev)2740 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2741 {
2742 u32 aper_size;
2743 u8 byte;
2744
2745 aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2746
2747 /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2748 * that is has the 2nd generation multifunction PCI interface
2749 */
2750 if (rdev->family == CHIP_RV280 ||
2751 rdev->family >= CHIP_RV350) {
2752 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2753 ~RADEON_HDP_APER_CNTL);
2754 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2755 return aper_size * 2;
2756 }
2757
2758 /* Older cards have all sorts of funny issues to deal with. First
2759 * check if it's a multifunction card by reading the PCI config
2760 * header type... Limit those to one aperture size
2761 */
2762 pci_read_config_byte(rdev->pdev, 0xe, &byte);
2763 if (byte & 0x80) {
2764 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2765 DRM_INFO("Limiting VRAM to one aperture\n");
2766 return aper_size;
2767 }
2768
2769 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2770 * have set it up. We don't write this as it's broken on some ASICs but
2771 * we expect the BIOS to have done the right thing (might be too optimistic...)
2772 */
2773 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2774 return aper_size * 2;
2775 return aper_size;
2776 }
2777
r100_vram_init_sizes(struct radeon_device * rdev)2778 void r100_vram_init_sizes(struct radeon_device *rdev)
2779 {
2780 u64 config_aper_size;
2781
2782 /* work out accessible VRAM */
2783 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2784 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2785 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2786 /* FIXME we don't use the second aperture yet when we could use it */
2787 if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2788 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2789 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2790 if (rdev->flags & RADEON_IS_IGP) {
2791 uint32_t tom;
2792 /* read NB_TOM to get the amount of ram stolen for the GPU */
2793 tom = RREG32(RADEON_NB_TOM);
2794 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2795 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2796 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2797 } else {
2798 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2799 /* Some production boards of m6 will report 0
2800 * if it's 8 MB
2801 */
2802 if (rdev->mc.real_vram_size == 0) {
2803 rdev->mc.real_vram_size = 8192 * 1024;
2804 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2805 }
2806 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2807 * Novell bug 204882 + along with lots of ubuntu ones
2808 */
2809 if (rdev->mc.aper_size > config_aper_size)
2810 config_aper_size = rdev->mc.aper_size;
2811
2812 if (config_aper_size > rdev->mc.real_vram_size)
2813 rdev->mc.mc_vram_size = config_aper_size;
2814 else
2815 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2816 }
2817 }
2818
r100_vga_set_state(struct radeon_device * rdev,bool state)2819 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2820 {
2821 uint32_t temp;
2822
2823 temp = RREG32(RADEON_CONFIG_CNTL);
2824 if (!state) {
2825 temp &= ~RADEON_CFG_VGA_RAM_EN;
2826 temp |= RADEON_CFG_VGA_IO_DIS;
2827 } else {
2828 temp &= ~RADEON_CFG_VGA_IO_DIS;
2829 }
2830 WREG32(RADEON_CONFIG_CNTL, temp);
2831 }
2832
r100_mc_init(struct radeon_device * rdev)2833 static void r100_mc_init(struct radeon_device *rdev)
2834 {
2835 u64 base;
2836
2837 r100_vram_get_type(rdev);
2838 r100_vram_init_sizes(rdev);
2839 base = rdev->mc.aper_base;
2840 if (rdev->flags & RADEON_IS_IGP)
2841 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2842 radeon_vram_location(rdev, &rdev->mc, base);
2843 rdev->mc.gtt_base_align = 0;
2844 if (!(rdev->flags & RADEON_IS_AGP))
2845 radeon_gtt_location(rdev, &rdev->mc);
2846 radeon_update_bandwidth_info(rdev);
2847 }
2848
2849
2850 /*
2851 * Indirect registers accessor
2852 */
r100_pll_errata_after_index(struct radeon_device * rdev)2853 void r100_pll_errata_after_index(struct radeon_device *rdev)
2854 {
2855 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2856 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2857 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2858 }
2859 }
2860
r100_pll_errata_after_data(struct radeon_device * rdev)2861 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2862 {
2863 /* This workarounds is necessary on RV100, RS100 and RS200 chips
2864 * or the chip could hang on a subsequent access
2865 */
2866 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2867 mdelay(5);
2868 }
2869
2870 /* This function is required to workaround a hardware bug in some (all?)
2871 * revisions of the R300. This workaround should be called after every
2872 * CLOCK_CNTL_INDEX register access. If not, register reads afterward
2873 * may not be correct.
2874 */
2875 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2876 uint32_t save, tmp;
2877
2878 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2879 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2880 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2881 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2882 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2883 }
2884 }
2885
r100_pll_rreg(struct radeon_device * rdev,uint32_t reg)2886 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2887 {
2888 unsigned long flags;
2889 uint32_t data;
2890
2891 spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2892 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2893 r100_pll_errata_after_index(rdev);
2894 data = RREG32(RADEON_CLOCK_CNTL_DATA);
2895 r100_pll_errata_after_data(rdev);
2896 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2897 return data;
2898 }
2899
r100_pll_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v)2900 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2901 {
2902 unsigned long flags;
2903
2904 spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2905 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2906 r100_pll_errata_after_index(rdev);
2907 WREG32(RADEON_CLOCK_CNTL_DATA, v);
2908 r100_pll_errata_after_data(rdev);
2909 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2910 }
2911
r100_set_safe_registers(struct radeon_device * rdev)2912 static void r100_set_safe_registers(struct radeon_device *rdev)
2913 {
2914 if (ASIC_IS_RN50(rdev)) {
2915 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2916 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2917 } else if (rdev->family < CHIP_R200) {
2918 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2919 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2920 } else {
2921 r200_set_safe_registers(rdev);
2922 }
2923 }
2924
2925 /*
2926 * Debugfs info
2927 */
2928 #if defined(CONFIG_DEBUG_FS)
r100_debugfs_rbbm_info_show(struct seq_file * m,void * unused)2929 static int r100_debugfs_rbbm_info_show(struct seq_file *m, void *unused)
2930 {
2931 struct radeon_device *rdev = (struct radeon_device *)m->private;
2932 uint32_t reg, value;
2933 unsigned i;
2934
2935 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2936 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2937 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2938 for (i = 0; i < 64; i++) {
2939 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2940 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2941 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2942 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2943 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2944 }
2945 return 0;
2946 }
2947
r100_debugfs_cp_ring_info_show(struct seq_file * m,void * unused)2948 static int r100_debugfs_cp_ring_info_show(struct seq_file *m, void *unused)
2949 {
2950 struct radeon_device *rdev = (struct radeon_device *)m->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_show(struct seq_file * m,void * unused)2974 static int r100_debugfs_cp_csq_fifo_show(struct seq_file *m, void *unused)
2975 {
2976 struct radeon_device *rdev = (struct radeon_device *)m->private;
2977 uint32_t csq_stat, csq2_stat, tmp;
2978 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2979 unsigned i;
2980
2981 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2982 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2983 csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2984 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2985 r_rptr = (csq_stat >> 0) & 0x3ff;
2986 r_wptr = (csq_stat >> 10) & 0x3ff;
2987 ib1_rptr = (csq_stat >> 20) & 0x3ff;
2988 ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2989 ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2990 ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2991 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2992 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2993 seq_printf(m, "Ring rptr %u\n", r_rptr);
2994 seq_printf(m, "Ring wptr %u\n", r_wptr);
2995 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2996 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2997 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2998 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2999 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
3000 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
3001 seq_printf(m, "Ring fifo:\n");
3002 for (i = 0; i < 256; i++) {
3003 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3004 tmp = RREG32(RADEON_CP_CSQ_DATA);
3005 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
3006 }
3007 seq_printf(m, "Indirect1 fifo:\n");
3008 for (i = 256; i <= 512; i++) {
3009 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3010 tmp = RREG32(RADEON_CP_CSQ_DATA);
3011 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
3012 }
3013 seq_printf(m, "Indirect2 fifo:\n");
3014 for (i = 640; i < ib1_wptr; i++) {
3015 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3016 tmp = RREG32(RADEON_CP_CSQ_DATA);
3017 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
3018 }
3019 return 0;
3020 }
3021
r100_debugfs_mc_info_show(struct seq_file * m,void * unused)3022 static int r100_debugfs_mc_info_show(struct seq_file *m, void *unused)
3023 {
3024 struct radeon_device *rdev = (struct radeon_device *)m->private;
3025 uint32_t tmp;
3026
3027 tmp = RREG32(RADEON_CONFIG_MEMSIZE);
3028 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
3029 tmp = RREG32(RADEON_MC_FB_LOCATION);
3030 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
3031 tmp = RREG32(RADEON_BUS_CNTL);
3032 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
3033 tmp = RREG32(RADEON_MC_AGP_LOCATION);
3034 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
3035 tmp = RREG32(RADEON_AGP_BASE);
3036 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
3037 tmp = RREG32(RADEON_HOST_PATH_CNTL);
3038 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
3039 tmp = RREG32(0x01D0);
3040 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
3041 tmp = RREG32(RADEON_AIC_LO_ADDR);
3042 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
3043 tmp = RREG32(RADEON_AIC_HI_ADDR);
3044 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
3045 tmp = RREG32(0x01E4);
3046 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
3047 return 0;
3048 }
3049
3050 DEFINE_SHOW_ATTRIBUTE(r100_debugfs_rbbm_info);
3051 DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_ring_info);
3052 DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_csq_fifo);
3053 DEFINE_SHOW_ATTRIBUTE(r100_debugfs_mc_info);
3054
3055 #endif
3056
r100_debugfs_rbbm_init(struct radeon_device * rdev)3057 void r100_debugfs_rbbm_init(struct radeon_device *rdev)
3058 {
3059 #if defined(CONFIG_DEBUG_FS)
3060 struct dentry *root = rdev->ddev->primary->debugfs_root;
3061
3062 debugfs_create_file("r100_rbbm_info", 0444, root, rdev,
3063 &r100_debugfs_rbbm_info_fops);
3064 #endif
3065 }
3066
r100_debugfs_cp_init(struct radeon_device * rdev)3067 void r100_debugfs_cp_init(struct radeon_device *rdev)
3068 {
3069 #if defined(CONFIG_DEBUG_FS)
3070 struct dentry *root = rdev->ddev->primary->debugfs_root;
3071
3072 debugfs_create_file("r100_cp_ring_info", 0444, root, rdev,
3073 &r100_debugfs_cp_ring_info_fops);
3074 debugfs_create_file("r100_cp_csq_fifo", 0444, root, rdev,
3075 &r100_debugfs_cp_csq_fifo_fops);
3076 #endif
3077 }
3078
r100_debugfs_mc_info_init(struct radeon_device * rdev)3079 void r100_debugfs_mc_info_init(struct radeon_device *rdev)
3080 {
3081 #if defined(CONFIG_DEBUG_FS)
3082 struct dentry *root = rdev->ddev->primary->debugfs_root;
3083
3084 debugfs_create_file("r100_mc_info", 0444, root, rdev,
3085 &r100_debugfs_mc_info_fops);
3086 #endif
3087 }
3088
r100_set_surface_reg(struct radeon_device * rdev,int reg,uint32_t tiling_flags,uint32_t pitch,uint32_t offset,uint32_t obj_size)3089 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
3090 uint32_t tiling_flags, uint32_t pitch,
3091 uint32_t offset, uint32_t obj_size)
3092 {
3093 int surf_index = reg * 16;
3094 int flags = 0;
3095
3096 if (rdev->family <= CHIP_RS200) {
3097 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3098 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3099 flags |= RADEON_SURF_TILE_COLOR_BOTH;
3100 if (tiling_flags & RADEON_TILING_MACRO)
3101 flags |= RADEON_SURF_TILE_COLOR_MACRO;
3102 /* setting pitch to 0 disables tiling */
3103 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3104 == 0)
3105 pitch = 0;
3106 } else if (rdev->family <= CHIP_RV280) {
3107 if (tiling_flags & (RADEON_TILING_MACRO))
3108 flags |= R200_SURF_TILE_COLOR_MACRO;
3109 if (tiling_flags & RADEON_TILING_MICRO)
3110 flags |= R200_SURF_TILE_COLOR_MICRO;
3111 } else {
3112 if (tiling_flags & RADEON_TILING_MACRO)
3113 flags |= R300_SURF_TILE_MACRO;
3114 if (tiling_flags & RADEON_TILING_MICRO)
3115 flags |= R300_SURF_TILE_MICRO;
3116 }
3117
3118 if (tiling_flags & RADEON_TILING_SWAP_16BIT)
3119 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
3120 if (tiling_flags & RADEON_TILING_SWAP_32BIT)
3121 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
3122
3123 /* r100/r200 divide by 16 */
3124 if (rdev->family < CHIP_R300)
3125 flags |= pitch / 16;
3126 else
3127 flags |= pitch / 8;
3128
3129
3130 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
3131 WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
3132 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
3133 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
3134 return 0;
3135 }
3136
r100_clear_surface_reg(struct radeon_device * rdev,int reg)3137 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
3138 {
3139 int surf_index = reg * 16;
3140 WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
3141 }
3142
r100_bandwidth_update(struct radeon_device * rdev)3143 void r100_bandwidth_update(struct radeon_device *rdev)
3144 {
3145 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
3146 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
3147 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff;
3148 fixed20_12 crit_point_ff = {0};
3149 uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
3150 fixed20_12 memtcas_ff[8] = {
3151 dfixed_init(1),
3152 dfixed_init(2),
3153 dfixed_init(3),
3154 dfixed_init(0),
3155 dfixed_init_half(1),
3156 dfixed_init_half(2),
3157 dfixed_init(0),
3158 };
3159 fixed20_12 memtcas_rs480_ff[8] = {
3160 dfixed_init(0),
3161 dfixed_init(1),
3162 dfixed_init(2),
3163 dfixed_init(3),
3164 dfixed_init(0),
3165 dfixed_init_half(1),
3166 dfixed_init_half(2),
3167 dfixed_init_half(3),
3168 };
3169 fixed20_12 memtcas2_ff[8] = {
3170 dfixed_init(0),
3171 dfixed_init(1),
3172 dfixed_init(2),
3173 dfixed_init(3),
3174 dfixed_init(4),
3175 dfixed_init(5),
3176 dfixed_init(6),
3177 dfixed_init(7),
3178 };
3179 fixed20_12 memtrbs[8] = {
3180 dfixed_init(1),
3181 dfixed_init_half(1),
3182 dfixed_init(2),
3183 dfixed_init_half(2),
3184 dfixed_init(3),
3185 dfixed_init_half(3),
3186 dfixed_init(4),
3187 dfixed_init_half(4)
3188 };
3189 fixed20_12 memtrbs_r4xx[8] = {
3190 dfixed_init(4),
3191 dfixed_init(5),
3192 dfixed_init(6),
3193 dfixed_init(7),
3194 dfixed_init(8),
3195 dfixed_init(9),
3196 dfixed_init(10),
3197 dfixed_init(11)
3198 };
3199 fixed20_12 min_mem_eff;
3200 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
3201 fixed20_12 cur_latency_mclk, cur_latency_sclk;
3202 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate = {0},
3203 disp_drain_rate2, read_return_rate;
3204 fixed20_12 time_disp1_drop_priority;
3205 int c;
3206 int cur_size = 16; /* in octawords */
3207 int critical_point = 0, critical_point2;
3208 /* uint32_t read_return_rate, time_disp1_drop_priority; */
3209 int stop_req, max_stop_req;
3210 struct drm_display_mode *mode1 = NULL;
3211 struct drm_display_mode *mode2 = NULL;
3212 uint32_t pixel_bytes1 = 0;
3213 uint32_t pixel_bytes2 = 0;
3214
3215 /* Guess line buffer size to be 8192 pixels */
3216 u32 lb_size = 8192;
3217
3218 if (!rdev->mode_info.mode_config_initialized)
3219 return;
3220
3221 radeon_update_display_priority(rdev);
3222
3223 if (rdev->mode_info.crtcs[0]->base.enabled) {
3224 const struct drm_framebuffer *fb =
3225 rdev->mode_info.crtcs[0]->base.primary->fb;
3226
3227 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
3228 pixel_bytes1 = fb->format->cpp[0];
3229 }
3230 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3231 if (rdev->mode_info.crtcs[1]->base.enabled) {
3232 const struct drm_framebuffer *fb =
3233 rdev->mode_info.crtcs[1]->base.primary->fb;
3234
3235 mode2 = &rdev->mode_info.crtcs[1]->base.mode;
3236 pixel_bytes2 = fb->format->cpp[0];
3237 }
3238 }
3239
3240 min_mem_eff.full = dfixed_const_8(0);
3241 /* get modes */
3242 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
3243 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
3244 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
3245 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
3246 /* check crtc enables */
3247 if (mode2)
3248 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
3249 if (mode1)
3250 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
3251 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
3252 }
3253
3254 /*
3255 * determine is there is enough bw for current mode
3256 */
3257 sclk_ff = rdev->pm.sclk;
3258 mclk_ff = rdev->pm.mclk;
3259
3260 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
3261 temp_ff.full = dfixed_const(temp);
3262 mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
3263
3264 pix_clk.full = 0;
3265 pix_clk2.full = 0;
3266 peak_disp_bw.full = 0;
3267 if (mode1) {
3268 temp_ff.full = dfixed_const(1000);
3269 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
3270 pix_clk.full = dfixed_div(pix_clk, temp_ff);
3271 temp_ff.full = dfixed_const(pixel_bytes1);
3272 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
3273 }
3274 if (mode2) {
3275 temp_ff.full = dfixed_const(1000);
3276 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
3277 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
3278 temp_ff.full = dfixed_const(pixel_bytes2);
3279 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
3280 }
3281
3282 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
3283 if (peak_disp_bw.full >= mem_bw.full) {
3284 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
3285 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
3286 }
3287
3288 /* Get values from the EXT_MEM_CNTL register...converting its contents. */
3289 temp = RREG32(RADEON_MEM_TIMING_CNTL);
3290 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
3291 mem_trcd = ((temp >> 2) & 0x3) + 1;
3292 mem_trp = ((temp & 0x3)) + 1;
3293 mem_tras = ((temp & 0x70) >> 4) + 1;
3294 } else if (rdev->family == CHIP_R300 ||
3295 rdev->family == CHIP_R350) { /* r300, r350 */
3296 mem_trcd = (temp & 0x7) + 1;
3297 mem_trp = ((temp >> 8) & 0x7) + 1;
3298 mem_tras = ((temp >> 11) & 0xf) + 4;
3299 } else if (rdev->family == CHIP_RV350 ||
3300 rdev->family == CHIP_RV380) {
3301 /* rv3x0 */
3302 mem_trcd = (temp & 0x7) + 3;
3303 mem_trp = ((temp >> 8) & 0x7) + 3;
3304 mem_tras = ((temp >> 11) & 0xf) + 6;
3305 } else if (rdev->family == CHIP_R420 ||
3306 rdev->family == CHIP_R423 ||
3307 rdev->family == CHIP_RV410) {
3308 /* r4xx */
3309 mem_trcd = (temp & 0xf) + 3;
3310 if (mem_trcd > 15)
3311 mem_trcd = 15;
3312 mem_trp = ((temp >> 8) & 0xf) + 3;
3313 if (mem_trp > 15)
3314 mem_trp = 15;
3315 mem_tras = ((temp >> 12) & 0x1f) + 6;
3316 if (mem_tras > 31)
3317 mem_tras = 31;
3318 } else { /* RV200, R200 */
3319 mem_trcd = (temp & 0x7) + 1;
3320 mem_trp = ((temp >> 8) & 0x7) + 1;
3321 mem_tras = ((temp >> 12) & 0xf) + 4;
3322 }
3323 /* convert to FF */
3324 trcd_ff.full = dfixed_const(mem_trcd);
3325 trp_ff.full = dfixed_const(mem_trp);
3326 tras_ff.full = dfixed_const(mem_tras);
3327
3328 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3329 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3330 data = (temp & (7 << 20)) >> 20;
3331 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3332 if (rdev->family == CHIP_RS480) /* don't think rs400 */
3333 tcas_ff = memtcas_rs480_ff[data];
3334 else
3335 tcas_ff = memtcas_ff[data];
3336 } else
3337 tcas_ff = memtcas2_ff[data];
3338
3339 if (rdev->family == CHIP_RS400 ||
3340 rdev->family == CHIP_RS480) {
3341 /* extra cas latency stored in bits 23-25 0-4 clocks */
3342 data = (temp >> 23) & 0x7;
3343 if (data < 5)
3344 tcas_ff.full += dfixed_const(data);
3345 }
3346
3347 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3348 /* on the R300, Tcas is included in Trbs.
3349 */
3350 temp = RREG32(RADEON_MEM_CNTL);
3351 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3352 if (data == 1) {
3353 if (R300_MEM_USE_CD_CH_ONLY & temp) {
3354 temp = RREG32(R300_MC_IND_INDEX);
3355 temp &= ~R300_MC_IND_ADDR_MASK;
3356 temp |= R300_MC_READ_CNTL_CD_mcind;
3357 WREG32(R300_MC_IND_INDEX, temp);
3358 temp = RREG32(R300_MC_IND_DATA);
3359 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3360 } else {
3361 temp = RREG32(R300_MC_READ_CNTL_AB);
3362 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3363 }
3364 } else {
3365 temp = RREG32(R300_MC_READ_CNTL_AB);
3366 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3367 }
3368 if (rdev->family == CHIP_RV410 ||
3369 rdev->family == CHIP_R420 ||
3370 rdev->family == CHIP_R423)
3371 trbs_ff = memtrbs_r4xx[data];
3372 else
3373 trbs_ff = memtrbs[data];
3374 tcas_ff.full += trbs_ff.full;
3375 }
3376
3377 sclk_eff_ff.full = sclk_ff.full;
3378
3379 if (rdev->flags & RADEON_IS_AGP) {
3380 fixed20_12 agpmode_ff;
3381 agpmode_ff.full = dfixed_const(radeon_agpmode);
3382 temp_ff.full = dfixed_const_666(16);
3383 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3384 }
3385 /* TODO PCIE lanes may affect this - agpmode == 16?? */
3386
3387 if (ASIC_IS_R300(rdev)) {
3388 sclk_delay_ff.full = dfixed_const(250);
3389 } else {
3390 if ((rdev->family == CHIP_RV100) ||
3391 rdev->flags & RADEON_IS_IGP) {
3392 if (rdev->mc.vram_is_ddr)
3393 sclk_delay_ff.full = dfixed_const(41);
3394 else
3395 sclk_delay_ff.full = dfixed_const(33);
3396 } else {
3397 if (rdev->mc.vram_width == 128)
3398 sclk_delay_ff.full = dfixed_const(57);
3399 else
3400 sclk_delay_ff.full = dfixed_const(41);
3401 }
3402 }
3403
3404 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3405
3406 if (rdev->mc.vram_is_ddr) {
3407 if (rdev->mc.vram_width == 32) {
3408 k1.full = dfixed_const(40);
3409 c = 3;
3410 } else {
3411 k1.full = dfixed_const(20);
3412 c = 1;
3413 }
3414 } else {
3415 k1.full = dfixed_const(40);
3416 c = 3;
3417 }
3418
3419 temp_ff.full = dfixed_const(2);
3420 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3421 temp_ff.full = dfixed_const(c);
3422 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3423 temp_ff.full = dfixed_const(4);
3424 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3425 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3426 mc_latency_mclk.full += k1.full;
3427
3428 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3429 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3430
3431 /*
3432 HW cursor time assuming worst case of full size colour cursor.
3433 */
3434 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3435 temp_ff.full += trcd_ff.full;
3436 if (temp_ff.full < tras_ff.full)
3437 temp_ff.full = tras_ff.full;
3438 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3439
3440 temp_ff.full = dfixed_const(cur_size);
3441 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3442 /*
3443 Find the total latency for the display data.
3444 */
3445 disp_latency_overhead.full = dfixed_const(8);
3446 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3447 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3448 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3449
3450 if (mc_latency_mclk.full > mc_latency_sclk.full)
3451 disp_latency.full = mc_latency_mclk.full;
3452 else
3453 disp_latency.full = mc_latency_sclk.full;
3454
3455 /* setup Max GRPH_STOP_REQ default value */
3456 if (ASIC_IS_RV100(rdev))
3457 max_stop_req = 0x5c;
3458 else
3459 max_stop_req = 0x7c;
3460
3461 if (mode1) {
3462 /* CRTC1
3463 Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3464 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3465 */
3466 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3467
3468 if (stop_req > max_stop_req)
3469 stop_req = max_stop_req;
3470
3471 /*
3472 Find the drain rate of the display buffer.
3473 */
3474 temp_ff.full = dfixed_const((16/pixel_bytes1));
3475 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3476
3477 /*
3478 Find the critical point of the display buffer.
3479 */
3480 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3481 crit_point_ff.full += dfixed_const_half(0);
3482
3483 critical_point = dfixed_trunc(crit_point_ff);
3484
3485 if (rdev->disp_priority == 2) {
3486 critical_point = 0;
3487 }
3488
3489 /*
3490 The critical point should never be above max_stop_req-4. Setting
3491 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3492 */
3493 if (max_stop_req - critical_point < 4)
3494 critical_point = 0;
3495
3496 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3497 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3498 critical_point = 0x10;
3499 }
3500
3501 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3502 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3503 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3504 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3505 if ((rdev->family == CHIP_R350) &&
3506 (stop_req > 0x15)) {
3507 stop_req -= 0x10;
3508 }
3509 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3510 temp |= RADEON_GRPH_BUFFER_SIZE;
3511 temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
3512 RADEON_GRPH_CRITICAL_AT_SOF |
3513 RADEON_GRPH_STOP_CNTL);
3514 /*
3515 Write the result into the register.
3516 */
3517 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3518 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3519
3520 #if 0
3521 if ((rdev->family == CHIP_RS400) ||
3522 (rdev->family == CHIP_RS480)) {
3523 /* attempt to program RS400 disp regs correctly ??? */
3524 temp = RREG32(RS400_DISP1_REG_CNTL);
3525 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3526 RS400_DISP1_STOP_REQ_LEVEL_MASK);
3527 WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3528 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3529 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3530 temp = RREG32(RS400_DMIF_MEM_CNTL1);
3531 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3532 RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3533 WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3534 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3535 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3536 }
3537 #endif
3538
3539 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3540 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
3541 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3542 }
3543
3544 if (mode2) {
3545 u32 grph2_cntl;
3546 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3547
3548 if (stop_req > max_stop_req)
3549 stop_req = max_stop_req;
3550
3551 /*
3552 Find the drain rate of the display buffer.
3553 */
3554 temp_ff.full = dfixed_const((16/pixel_bytes2));
3555 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3556
3557 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3558 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3559 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3560 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3561 if ((rdev->family == CHIP_R350) &&
3562 (stop_req > 0x15)) {
3563 stop_req -= 0x10;
3564 }
3565 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3566 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3567 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
3568 RADEON_GRPH_CRITICAL_AT_SOF |
3569 RADEON_GRPH_STOP_CNTL);
3570
3571 if ((rdev->family == CHIP_RS100) ||
3572 (rdev->family == CHIP_RS200))
3573 critical_point2 = 0;
3574 else {
3575 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3576 temp_ff.full = dfixed_const(temp);
3577 temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3578 if (sclk_ff.full < temp_ff.full)
3579 temp_ff.full = sclk_ff.full;
3580
3581 read_return_rate.full = temp_ff.full;
3582
3583 if (mode1) {
3584 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3585 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3586 } else {
3587 time_disp1_drop_priority.full = 0;
3588 }
3589 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3590 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3591 crit_point_ff.full += dfixed_const_half(0);
3592
3593 critical_point2 = dfixed_trunc(crit_point_ff);
3594
3595 if (rdev->disp_priority == 2) {
3596 critical_point2 = 0;
3597 }
3598
3599 if (max_stop_req - critical_point2 < 4)
3600 critical_point2 = 0;
3601
3602 }
3603
3604 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3605 /* some R300 cards have problem with this set to 0 */
3606 critical_point2 = 0x10;
3607 }
3608
3609 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3610 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3611
3612 if ((rdev->family == CHIP_RS400) ||
3613 (rdev->family == CHIP_RS480)) {
3614 #if 0
3615 /* attempt to program RS400 disp2 regs correctly ??? */
3616 temp = RREG32(RS400_DISP2_REQ_CNTL1);
3617 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3618 RS400_DISP2_STOP_REQ_LEVEL_MASK);
3619 WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3620 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3621 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3622 temp = RREG32(RS400_DISP2_REQ_CNTL2);
3623 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3624 RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3625 WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3626 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3627 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3628 #endif
3629 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3630 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3631 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
3632 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3633 }
3634
3635 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3636 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3637 }
3638
3639 /* Save number of lines the linebuffer leads before the scanout */
3640 if (mode1)
3641 rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay);
3642
3643 if (mode2)
3644 rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay);
3645 }
3646
r100_ring_test(struct radeon_device * rdev,struct radeon_ring * ring)3647 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3648 {
3649 uint32_t scratch;
3650 uint32_t tmp = 0;
3651 unsigned i;
3652 int r;
3653
3654 r = radeon_scratch_get(rdev, &scratch);
3655 if (r) {
3656 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3657 return r;
3658 }
3659 WREG32(scratch, 0xCAFEDEAD);
3660 r = radeon_ring_lock(rdev, ring, 2);
3661 if (r) {
3662 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3663 radeon_scratch_free(rdev, scratch);
3664 return r;
3665 }
3666 radeon_ring_write(ring, PACKET0(scratch, 0));
3667 radeon_ring_write(ring, 0xDEADBEEF);
3668 radeon_ring_unlock_commit(rdev, ring, false);
3669 for (i = 0; i < rdev->usec_timeout; i++) {
3670 tmp = RREG32(scratch);
3671 if (tmp == 0xDEADBEEF) {
3672 break;
3673 }
3674 udelay(1);
3675 }
3676 if (i < rdev->usec_timeout) {
3677 DRM_INFO("ring test succeeded in %d usecs\n", i);
3678 } else {
3679 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3680 scratch, tmp);
3681 r = -EINVAL;
3682 }
3683 radeon_scratch_free(rdev, scratch);
3684 return r;
3685 }
3686
r100_ring_ib_execute(struct radeon_device * rdev,struct radeon_ib * ib)3687 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3688 {
3689 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3690
3691 if (ring->rptr_save_reg) {
3692 u32 next_rptr = ring->wptr + 2 + 3;
3693 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
3694 radeon_ring_write(ring, next_rptr);
3695 }
3696
3697 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3698 radeon_ring_write(ring, ib->gpu_addr);
3699 radeon_ring_write(ring, ib->length_dw);
3700 }
3701
r100_ib_test(struct radeon_device * rdev,struct radeon_ring * ring)3702 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3703 {
3704 struct radeon_ib ib;
3705 uint32_t scratch;
3706 uint32_t tmp = 0;
3707 unsigned i;
3708 int r;
3709
3710 r = radeon_scratch_get(rdev, &scratch);
3711 if (r) {
3712 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3713 return r;
3714 }
3715 WREG32(scratch, 0xCAFEDEAD);
3716 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
3717 if (r) {
3718 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3719 goto free_scratch;
3720 }
3721 ib.ptr[0] = PACKET0(scratch, 0);
3722 ib.ptr[1] = 0xDEADBEEF;
3723 ib.ptr[2] = PACKET2(0);
3724 ib.ptr[3] = PACKET2(0);
3725 ib.ptr[4] = PACKET2(0);
3726 ib.ptr[5] = PACKET2(0);
3727 ib.ptr[6] = PACKET2(0);
3728 ib.ptr[7] = PACKET2(0);
3729 ib.length_dw = 8;
3730 r = radeon_ib_schedule(rdev, &ib, NULL, false);
3731 if (r) {
3732 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3733 goto free_ib;
3734 }
3735 r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
3736 RADEON_USEC_IB_TEST_TIMEOUT));
3737 if (r < 0) {
3738 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3739 goto free_ib;
3740 } else if (r == 0) {
3741 DRM_ERROR("radeon: fence wait timed out.\n");
3742 r = -ETIMEDOUT;
3743 goto free_ib;
3744 }
3745 r = 0;
3746 for (i = 0; i < rdev->usec_timeout; i++) {
3747 tmp = RREG32(scratch);
3748 if (tmp == 0xDEADBEEF) {
3749 break;
3750 }
3751 udelay(1);
3752 }
3753 if (i < rdev->usec_timeout) {
3754 DRM_INFO("ib test succeeded in %u usecs\n", i);
3755 } else {
3756 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3757 scratch, tmp);
3758 r = -EINVAL;
3759 }
3760 free_ib:
3761 radeon_ib_free(rdev, &ib);
3762 free_scratch:
3763 radeon_scratch_free(rdev, scratch);
3764 return r;
3765 }
3766
r100_mc_stop(struct radeon_device * rdev,struct r100_mc_save * save)3767 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3768 {
3769 /* Shutdown CP we shouldn't need to do that but better be safe than
3770 * sorry
3771 */
3772 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3773 WREG32(R_000740_CP_CSQ_CNTL, 0);
3774
3775 /* Save few CRTC registers */
3776 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3777 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3778 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3779 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3780 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3781 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3782 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3783 }
3784
3785 /* Disable VGA aperture access */
3786 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3787 /* Disable cursor, overlay, crtc */
3788 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3789 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3790 S_000054_CRTC_DISPLAY_DIS(1));
3791 WREG32(R_000050_CRTC_GEN_CNTL,
3792 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3793 S_000050_CRTC_DISP_REQ_EN_B(1));
3794 WREG32(R_000420_OV0_SCALE_CNTL,
3795 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3796 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3797 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3798 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3799 S_000360_CUR2_LOCK(1));
3800 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3801 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3802 S_0003F8_CRTC2_DISPLAY_DIS(1) |
3803 S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3804 WREG32(R_000360_CUR2_OFFSET,
3805 C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3806 }
3807 }
3808
r100_mc_resume(struct radeon_device * rdev,struct r100_mc_save * save)3809 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3810 {
3811 /* Update base address for crtc */
3812 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3813 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3814 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3815 }
3816 /* Restore CRTC registers */
3817 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3818 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3819 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3820 if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3821 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3822 }
3823 }
3824
r100_vga_render_disable(struct radeon_device * rdev)3825 void r100_vga_render_disable(struct radeon_device *rdev)
3826 {
3827 u32 tmp;
3828
3829 tmp = RREG8(R_0003C2_GENMO_WT);
3830 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3831 }
3832
r100_mc_program(struct radeon_device * rdev)3833 static void r100_mc_program(struct radeon_device *rdev)
3834 {
3835 struct r100_mc_save save;
3836
3837 /* Stops all mc clients */
3838 r100_mc_stop(rdev, &save);
3839 if (rdev->flags & RADEON_IS_AGP) {
3840 WREG32(R_00014C_MC_AGP_LOCATION,
3841 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3842 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3843 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3844 if (rdev->family > CHIP_RV200)
3845 WREG32(R_00015C_AGP_BASE_2,
3846 upper_32_bits(rdev->mc.agp_base) & 0xff);
3847 } else {
3848 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3849 WREG32(R_000170_AGP_BASE, 0);
3850 if (rdev->family > CHIP_RV200)
3851 WREG32(R_00015C_AGP_BASE_2, 0);
3852 }
3853 /* Wait for mc idle */
3854 if (r100_mc_wait_for_idle(rdev))
3855 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3856 /* Program MC, should be a 32bits limited address space */
3857 WREG32(R_000148_MC_FB_LOCATION,
3858 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3859 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3860 r100_mc_resume(rdev, &save);
3861 }
3862
r100_clock_startup(struct radeon_device * rdev)3863 static void r100_clock_startup(struct radeon_device *rdev)
3864 {
3865 u32 tmp;
3866
3867 if (radeon_dynclks != -1 && radeon_dynclks)
3868 radeon_legacy_set_clock_gating(rdev, 1);
3869 /* We need to force on some of the block */
3870 tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3871 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3872 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3873 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3874 WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3875 }
3876
r100_startup(struct radeon_device * rdev)3877 static int r100_startup(struct radeon_device *rdev)
3878 {
3879 int r;
3880
3881 /* set common regs */
3882 r100_set_common_regs(rdev);
3883 /* program mc */
3884 r100_mc_program(rdev);
3885 /* Resume clock */
3886 r100_clock_startup(rdev);
3887 /* Initialize GART (initialize after TTM so we can allocate
3888 * memory through TTM but finalize after TTM) */
3889 r100_enable_bm(rdev);
3890 if (rdev->flags & RADEON_IS_PCI) {
3891 r = r100_pci_gart_enable(rdev);
3892 if (r)
3893 return r;
3894 }
3895
3896 /* allocate wb buffer */
3897 r = radeon_wb_init(rdev);
3898 if (r)
3899 return r;
3900
3901 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3902 if (r) {
3903 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3904 return r;
3905 }
3906
3907 /* Enable IRQ */
3908 if (!rdev->irq.installed) {
3909 r = radeon_irq_kms_init(rdev);
3910 if (r)
3911 return r;
3912 }
3913
3914 r100_irq_set(rdev);
3915 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3916 /* 1M ring buffer */
3917 r = r100_cp_init(rdev, 1024 * 1024);
3918 if (r) {
3919 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3920 return r;
3921 }
3922
3923 r = radeon_ib_pool_init(rdev);
3924 if (r) {
3925 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3926 return r;
3927 }
3928
3929 return 0;
3930 }
3931
r100_resume(struct radeon_device * rdev)3932 int r100_resume(struct radeon_device *rdev)
3933 {
3934 int r;
3935
3936 /* Make sur GART are not working */
3937 if (rdev->flags & RADEON_IS_PCI)
3938 r100_pci_gart_disable(rdev);
3939 /* Resume clock before doing reset */
3940 r100_clock_startup(rdev);
3941 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3942 if (radeon_asic_reset(rdev)) {
3943 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3944 RREG32(R_000E40_RBBM_STATUS),
3945 RREG32(R_0007C0_CP_STAT));
3946 }
3947 /* post */
3948 radeon_combios_asic_init(rdev->ddev);
3949 /* Resume clock after posting */
3950 r100_clock_startup(rdev);
3951 /* Initialize surface registers */
3952 radeon_surface_init(rdev);
3953
3954 rdev->accel_working = true;
3955 r = r100_startup(rdev);
3956 if (r) {
3957 rdev->accel_working = false;
3958 }
3959 return r;
3960 }
3961
r100_suspend(struct radeon_device * rdev)3962 int r100_suspend(struct radeon_device *rdev)
3963 {
3964 radeon_pm_suspend(rdev);
3965 r100_cp_disable(rdev);
3966 radeon_wb_disable(rdev);
3967 r100_irq_disable(rdev);
3968 if (rdev->flags & RADEON_IS_PCI)
3969 r100_pci_gart_disable(rdev);
3970 return 0;
3971 }
3972
r100_fini(struct radeon_device * rdev)3973 void r100_fini(struct radeon_device *rdev)
3974 {
3975 radeon_pm_fini(rdev);
3976 r100_cp_fini(rdev);
3977 radeon_wb_fini(rdev);
3978 radeon_ib_pool_fini(rdev);
3979 radeon_gem_fini(rdev);
3980 if (rdev->flags & RADEON_IS_PCI)
3981 r100_pci_gart_fini(rdev);
3982 radeon_agp_fini(rdev);
3983 radeon_irq_kms_fini(rdev);
3984 radeon_fence_driver_fini(rdev);
3985 radeon_bo_fini(rdev);
3986 radeon_atombios_fini(rdev);
3987 kfree(rdev->bios);
3988 rdev->bios = NULL;
3989 }
3990
3991 /*
3992 * Due to how kexec works, it can leave the hw fully initialised when it
3993 * boots the new kernel. However doing our init sequence with the CP and
3994 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
3995 * do some quick sanity checks and restore sane values to avoid this
3996 * problem.
3997 */
r100_restore_sanity(struct radeon_device * rdev)3998 void r100_restore_sanity(struct radeon_device *rdev)
3999 {
4000 u32 tmp;
4001
4002 tmp = RREG32(RADEON_CP_CSQ_CNTL);
4003 if (tmp) {
4004 WREG32(RADEON_CP_CSQ_CNTL, 0);
4005 }
4006 tmp = RREG32(RADEON_CP_RB_CNTL);
4007 if (tmp) {
4008 WREG32(RADEON_CP_RB_CNTL, 0);
4009 }
4010 tmp = RREG32(RADEON_SCRATCH_UMSK);
4011 if (tmp) {
4012 WREG32(RADEON_SCRATCH_UMSK, 0);
4013 }
4014 }
4015
r100_init(struct radeon_device * rdev)4016 int r100_init(struct radeon_device *rdev)
4017 {
4018 int r;
4019
4020 /* Register debugfs file specific to this group of asics */
4021 r100_debugfs_mc_info_init(rdev);
4022 /* Disable VGA */
4023 r100_vga_render_disable(rdev);
4024 /* Initialize scratch registers */
4025 radeon_scratch_init(rdev);
4026 /* Initialize surface registers */
4027 radeon_surface_init(rdev);
4028 /* sanity check some register to avoid hangs like after kexec */
4029 r100_restore_sanity(rdev);
4030 /* TODO: disable VGA need to use VGA request */
4031 /* BIOS*/
4032 if (!radeon_get_bios(rdev)) {
4033 if (ASIC_IS_AVIVO(rdev))
4034 return -EINVAL;
4035 }
4036 if (rdev->is_atom_bios) {
4037 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4038 return -EINVAL;
4039 } else {
4040 r = radeon_combios_init(rdev);
4041 if (r)
4042 return r;
4043 }
4044 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4045 if (radeon_asic_reset(rdev)) {
4046 dev_warn(rdev->dev,
4047 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4048 RREG32(R_000E40_RBBM_STATUS),
4049 RREG32(R_0007C0_CP_STAT));
4050 }
4051 /* check if cards are posted or not */
4052 if (radeon_boot_test_post_card(rdev) == false)
4053 return -EINVAL;
4054 /* Set asic errata */
4055 r100_errata(rdev);
4056 /* Initialize clocks */
4057 radeon_get_clock_info(rdev->ddev);
4058 /* initialize AGP */
4059 if (rdev->flags & RADEON_IS_AGP) {
4060 r = radeon_agp_init(rdev);
4061 if (r) {
4062 radeon_agp_disable(rdev);
4063 }
4064 }
4065 /* initialize VRAM */
4066 r100_mc_init(rdev);
4067 /* Fence driver */
4068 radeon_fence_driver_init(rdev);
4069 /* Memory manager */
4070 r = radeon_bo_init(rdev);
4071 if (r)
4072 return r;
4073 if (rdev->flags & RADEON_IS_PCI) {
4074 r = r100_pci_gart_init(rdev);
4075 if (r)
4076 return r;
4077 }
4078 r100_set_safe_registers(rdev);
4079
4080 /* Initialize power management */
4081 radeon_pm_init(rdev);
4082
4083 rdev->accel_working = true;
4084 r = r100_startup(rdev);
4085 if (r) {
4086 /* Somethings want wront with the accel init stop accel */
4087 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4088 r100_cp_fini(rdev);
4089 radeon_wb_fini(rdev);
4090 radeon_ib_pool_fini(rdev);
4091 radeon_irq_kms_fini(rdev);
4092 if (rdev->flags & RADEON_IS_PCI)
4093 r100_pci_gart_fini(rdev);
4094 rdev->accel_working = false;
4095 }
4096 return 0;
4097 }
4098
r100_mm_rreg_slow(struct radeon_device * rdev,uint32_t reg)4099 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg)
4100 {
4101 unsigned long flags;
4102 uint32_t ret;
4103
4104 spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4105 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4106 ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4107 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4108 return ret;
4109 }
4110
r100_mm_wreg_slow(struct radeon_device * rdev,uint32_t reg,uint32_t v)4111 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4112 {
4113 unsigned long flags;
4114
4115 spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4116 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4117 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4118 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4119 }
4120
r100_io_rreg(struct radeon_device * rdev,u32 reg)4121 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4122 {
4123 if (reg < rdev->rio_mem_size)
4124 return ioread32(rdev->rio_mem + reg);
4125 else {
4126 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4127 return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4128 }
4129 }
4130
r100_io_wreg(struct radeon_device * rdev,u32 reg,u32 v)4131 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4132 {
4133 if (reg < rdev->rio_mem_size)
4134 iowrite32(v, rdev->rio_mem + reg);
4135 else {
4136 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4137 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4138 }
4139 }
4140