?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / gpu / drm / radeon / r600.c
blobcdbc4171fe73743bd9bcf9ce2bbb74020ad6ece5
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #include <linux/slab.h>
29 #include <linux/seq_file.h>
30 #include <linux/firmware.h>
31 #include <linux/module.h>
32 #include <drm/drmP.h>
33 #include <drm/radeon_drm.h>
34 #include "radeon.h"
35 #include "radeon_asic.h"
36 #include "radeon_mode.h"
37 #include "r600d.h"
38 #include "atom.h"
39 #include "avivod.h"
40 #include "radeon_ucode.h"
41
42 /* Firmware Names */
43 MODULE_FIRMWARE("radeon/R600_pfp.bin");
44 MODULE_FIRMWARE("radeon/R600_me.bin");
45 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
46 MODULE_FIRMWARE("radeon/RV610_me.bin");
47 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
48 MODULE_FIRMWARE("radeon/RV630_me.bin");
49 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
50 MODULE_FIRMWARE("radeon/RV620_me.bin");
51 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
52 MODULE_FIRMWARE("radeon/RV635_me.bin");
53 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
54 MODULE_FIRMWARE("radeon/RV670_me.bin");
55 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
56 MODULE_FIRMWARE("radeon/RS780_me.bin");
57 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
58 MODULE_FIRMWARE("radeon/RV770_me.bin");
59 MODULE_FIRMWARE("radeon/RV770_smc.bin");
60 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
61 MODULE_FIRMWARE("radeon/RV730_me.bin");
62 MODULE_FIRMWARE("radeon/RV730_smc.bin");
63 MODULE_FIRMWARE("radeon/RV740_smc.bin");
64 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
65 MODULE_FIRMWARE("radeon/RV710_me.bin");
66 MODULE_FIRMWARE("radeon/RV710_smc.bin");
67 MODULE_FIRMWARE("radeon/R600_rlc.bin");
68 MODULE_FIRMWARE("radeon/R700_rlc.bin");
69 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
70 MODULE_FIRMWARE("radeon/CEDAR_me.bin");
71 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
72 MODULE_FIRMWARE("radeon/CEDAR_smc.bin");
73 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
74 MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
75 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
76 MODULE_FIRMWARE("radeon/REDWOOD_smc.bin");
77 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
78 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
79 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
80 MODULE_FIRMWARE("radeon/JUNIPER_smc.bin");
81 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
82 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
83 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
84 MODULE_FIRMWARE("radeon/CYPRESS_smc.bin");
85 MODULE_FIRMWARE("radeon/PALM_pfp.bin");
86 MODULE_FIRMWARE("radeon/PALM_me.bin");
87 MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
88 MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
89 MODULE_FIRMWARE("radeon/SUMO_me.bin");
90 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
91 MODULE_FIRMWARE("radeon/SUMO2_me.bin");
92
93 static const u32 crtc_offsets[2] =
94 {
95 0,
96 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
97 };
98
99 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
100
101 /* r600,rv610,rv630,rv620,rv635,rv670 */
102 int r600_mc_wait_for_idle(struct radeon_device *rdev);
103 static void r600_gpu_init(struct radeon_device *rdev);
104 void r600_fini(struct radeon_device *rdev);
105 void r600_irq_disable(struct radeon_device *rdev);
106 static void r600_pcie_gen2_enable(struct radeon_device *rdev);
107 extern int evergreen_rlc_resume(struct radeon_device *rdev);
108 extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
109
110 /**
111 * r600_get_xclk - get the xclk
112 *
113 * @rdev: radeon_device pointer
114 *
115 * Returns the reference clock used by the gfx engine
116 * (r6xx, IGPs, APUs).
117 */
118 u32 r600_get_xclk(struct radeon_device *rdev)
119 {
120 return rdev->clock.spll.reference_freq;
121 }
122
123 int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
124 {
125 return 0;
126 }
127
128 void dce3_program_fmt(struct drm_encoder *encoder)
129 {
130 struct drm_device *dev = encoder->dev;
131 struct radeon_device *rdev = dev->dev_private;
132 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
133 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
134 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
135 int bpc = 0;
136 u32 tmp = 0;
137 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
138
139 if (connector) {
140 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
141 bpc = radeon_get_monitor_bpc(connector);
142 dither = radeon_connector->dither;
143 }
144
145 /* LVDS FMT is set up by atom */
146 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
147 return;
148
149 /* not needed for analog */
150 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
151 (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
152 return;
153
154 if (bpc == 0)
155 return;
156
157 switch (bpc) {
158 case 6:
159 if (dither == RADEON_FMT_DITHER_ENABLE)
160 /* XXX sort out optimal dither settings */
161 tmp |= FMT_SPATIAL_DITHER_EN;
162 else
163 tmp |= FMT_TRUNCATE_EN;
164 break;
165 case 8:
166 if (dither == RADEON_FMT_DITHER_ENABLE)
167 /* XXX sort out optimal dither settings */
168 tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
169 else
170 tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
171 break;
172 case 10:
173 default:
174 /* not needed */
175 break;
176 }
177
178 WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
179 }
180
181 /* get temperature in millidegrees */
182 int rv6xx_get_temp(struct radeon_device *rdev)
183 {
184 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
185 ASIC_T_SHIFT;
186 int actual_temp = temp & 0xff;
187
188 if (temp & 0x100)
189 actual_temp -= 256;
190
191 return actual_temp * 1000;
192 }
193
194 void r600_pm_get_dynpm_state(struct radeon_device *rdev)
195 {
196 int i;
197
198 rdev->pm.dynpm_can_upclock = true;
199 rdev->pm.dynpm_can_downclock = true;
200
201 /* power state array is low to high, default is first */
202 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
203 int min_power_state_index = 0;
204
205 if (rdev->pm.num_power_states > 2)
206 min_power_state_index = 1;
207
208 switch (rdev->pm.dynpm_planned_action) {
209 case DYNPM_ACTION_MINIMUM:
210 rdev->pm.requested_power_state_index = min_power_state_index;
211 rdev->pm.requested_clock_mode_index = 0;
212 rdev->pm.dynpm_can_downclock = false;
213 break;
214 case DYNPM_ACTION_DOWNCLOCK:
215 if (rdev->pm.current_power_state_index == min_power_state_index) {
216 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
217 rdev->pm.dynpm_can_downclock = false;
218 } else {
219 if (rdev->pm.active_crtc_count > 1) {
220 for (i = 0; i < rdev->pm.num_power_states; i++) {
221 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
222 continue;
223 else if (i >= rdev->pm.current_power_state_index) {
224 rdev->pm.requested_power_state_index =
225 rdev->pm.current_power_state_index;
226 break;
227 } else {
228 rdev->pm.requested_power_state_index = i;
229 break;
230 }
231 }
232 } else {
233 if (rdev->pm.current_power_state_index == 0)
234 rdev->pm.requested_power_state_index =
235 rdev->pm.num_power_states - 1;
236 else
237 rdev->pm.requested_power_state_index =
238 rdev->pm.current_power_state_index - 1;
239 }
240 }
241 rdev->pm.requested_clock_mode_index = 0;
242 /* don't use the power state if crtcs are active and no display flag is set */
243 if ((rdev->pm.active_crtc_count > 0) &&
244 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
245 clock_info[rdev->pm.requested_clock_mode_index].flags &
246 RADEON_PM_MODE_NO_DISPLAY)) {
247 rdev->pm.requested_power_state_index++;
248 }
249 break;
250 case DYNPM_ACTION_UPCLOCK:
251 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
252 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
253 rdev->pm.dynpm_can_upclock = false;
254 } else {
255 if (rdev->pm.active_crtc_count > 1) {
256 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
257 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
258 continue;
259 else if (i <= rdev->pm.current_power_state_index) {
260 rdev->pm.requested_power_state_index =
261 rdev->pm.current_power_state_index;
262 break;
263 } else {
264 rdev->pm.requested_power_state_index = i;
265 break;
266 }
267 }
268 } else
269 rdev->pm.requested_power_state_index =
270 rdev->pm.current_power_state_index + 1;
271 }
272 rdev->pm.requested_clock_mode_index = 0;
273 break;
274 case DYNPM_ACTION_DEFAULT:
275 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
276 rdev->pm.requested_clock_mode_index = 0;
277 rdev->pm.dynpm_can_upclock = false;
278 break;
279 case DYNPM_ACTION_NONE:
280 default:
281 DRM_ERROR("Requested mode for not defined action\n");
282 return;
283 }
284 } else {
285 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
286 /* for now just select the first power state and switch between clock modes */
287 /* power state array is low to high, default is first (0) */
288 if (rdev->pm.active_crtc_count > 1) {
289 rdev->pm.requested_power_state_index = -1;
290 /* start at 1 as we don't want the default mode */
291 for (i = 1; i < rdev->pm.num_power_states; i++) {
292 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
293 continue;
294 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
295 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
296 rdev->pm.requested_power_state_index = i;
297 break;
298 }
299 }
300 /* if nothing selected, grab the default state. */
301 if (rdev->pm.requested_power_state_index == -1)
302 rdev->pm.requested_power_state_index = 0;
303 } else
304 rdev->pm.requested_power_state_index = 1;
305
306 switch (rdev->pm.dynpm_planned_action) {
307 case DYNPM_ACTION_MINIMUM:
308 rdev->pm.requested_clock_mode_index = 0;
309 rdev->pm.dynpm_can_downclock = false;
310 break;
311 case DYNPM_ACTION_DOWNCLOCK:
312 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
313 if (rdev->pm.current_clock_mode_index == 0) {
314 rdev->pm.requested_clock_mode_index = 0;
315 rdev->pm.dynpm_can_downclock = false;
316 } else
317 rdev->pm.requested_clock_mode_index =
318 rdev->pm.current_clock_mode_index - 1;
319 } else {
320 rdev->pm.requested_clock_mode_index = 0;
321 rdev->pm.dynpm_can_downclock = false;
322 }
323 /* don't use the power state if crtcs are active and no display flag is set */
324 if ((rdev->pm.active_crtc_count > 0) &&
325 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
326 clock_info[rdev->pm.requested_clock_mode_index].flags &
327 RADEON_PM_MODE_NO_DISPLAY)) {
328 rdev->pm.requested_clock_mode_index++;
329 }
330 break;
331 case DYNPM_ACTION_UPCLOCK:
332 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
333 if (rdev->pm.current_clock_mode_index ==
334 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
335 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
336 rdev->pm.dynpm_can_upclock = false;
337 } else
338 rdev->pm.requested_clock_mode_index =
339 rdev->pm.current_clock_mode_index + 1;
340 } else {
341 rdev->pm.requested_clock_mode_index =
342 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
343 rdev->pm.dynpm_can_upclock = false;
344 }
345 break;
346 case DYNPM_ACTION_DEFAULT:
347 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
348 rdev->pm.requested_clock_mode_index = 0;
349 rdev->pm.dynpm_can_upclock = false;
350 break;
351 case DYNPM_ACTION_NONE:
352 default:
353 DRM_ERROR("Requested mode for not defined action\n");
354 return;
355 }
356 }
357
358 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
359 rdev->pm.power_state[rdev->pm.requested_power_state_index].
360 clock_info[rdev->pm.requested_clock_mode_index].sclk,
361 rdev->pm.power_state[rdev->pm.requested_power_state_index].
362 clock_info[rdev->pm.requested_clock_mode_index].mclk,
363 rdev->pm.power_state[rdev->pm.requested_power_state_index].
364 pcie_lanes);
365 }
366
367 void rs780_pm_init_profile(struct radeon_device *rdev)
368 {
369 if (rdev->pm.num_power_states == 2) {
370 /* default */
371 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
372 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
373 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
374 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
375 /* low sh */
376 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
377 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
378 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
379 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
380 /* mid sh */
381 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
382 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
383 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
384 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
385 /* high sh */
386 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
387 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
388 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
389 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
390 /* low mh */
391 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
392 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
393 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
394 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
395 /* mid mh */
396 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
397 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
398 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
399 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
400 /* high mh */
401 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
402 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
403 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
404 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
405 } else if (rdev->pm.num_power_states == 3) {
406 /* default */
407 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
408 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
409 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
410 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
411 /* low sh */
412 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
413 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
414 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
415 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
416 /* mid sh */
417 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
418 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
419 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
420 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
421 /* high sh */
422 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
423 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
424 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
425 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
426 /* low mh */
427 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
428 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
429 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
430 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
431 /* mid mh */
432 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
433 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
434 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
435 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
436 /* high mh */
437 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
438 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
439 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
440 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
441 } else {
442 /* default */
443 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
444 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
445 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
446 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
447 /* low sh */
448 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
449 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
450 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
451 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
452 /* mid sh */
453 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
454 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
455 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
456 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
457 /* high sh */
458 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
459 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
460 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
461 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
462 /* low mh */
463 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
464 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
465 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
466 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
467 /* mid mh */
468 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
469 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
470 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
471 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
472 /* high mh */
473 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
474 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
475 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
476 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
477 }
478 }
479
480 void r600_pm_init_profile(struct radeon_device *rdev)
481 {
482 int idx;
483
484 if (rdev->family == CHIP_R600) {
485 /* XXX */
486 /* default */
487 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
488 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
489 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
490 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
491 /* low sh */
492 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
493 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
494 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
495 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
496 /* mid sh */
497 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
498 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
499 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
500 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
501 /* high sh */
502 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
503 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
504 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
505 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
506 /* low mh */
507 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
508 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
509 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
510 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
511 /* mid mh */
512 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
513 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
514 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
515 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
516 /* high mh */
517 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
518 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
519 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
520 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
521 } else {
522 if (rdev->pm.num_power_states < 4) {
523 /* default */
524 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
525 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
526 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
527 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
528 /* low sh */
529 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
530 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
531 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
532 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
533 /* mid sh */
534 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
535 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
536 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
537 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
538 /* high sh */
539 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
540 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
541 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
542 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
543 /* low mh */
544 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
545 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
546 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
547 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
548 /* low mh */
549 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
550 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
551 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
552 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
553 /* high mh */
554 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
555 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
556 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
557 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
558 } else {
559 /* default */
560 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
561 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
562 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
563 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
564 /* low sh */
565 if (rdev->flags & RADEON_IS_MOBILITY)
566 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
567 else
568 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
569 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
570 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
571 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
572 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
573 /* mid sh */
574 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
575 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
576 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
577 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
578 /* high sh */
579 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
580 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
581 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
582 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
583 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
584 /* low mh */
585 if (rdev->flags & RADEON_IS_MOBILITY)
586 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
587 else
588 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
589 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
590 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
591 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
592 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
593 /* mid mh */
594 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
595 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
596 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
597 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
598 /* high mh */
599 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
600 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
601 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
602 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
603 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
604 }
605 }
606 }
607
608 void r600_pm_misc(struct radeon_device *rdev)
609 {
610 int req_ps_idx = rdev->pm.requested_power_state_index;
611 int req_cm_idx = rdev->pm.requested_clock_mode_index;
612 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
613 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
614
615 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
616 /* 0xff01 is a flag rather then an actual voltage */
617 if (voltage->voltage == 0xff01)
618 return;
619 if (voltage->voltage != rdev->pm.current_vddc) {
620 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
621 rdev->pm.current_vddc = voltage->voltage;
622 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
623 }
624 }
625 }
626
627 bool r600_gui_idle(struct radeon_device *rdev)
628 {
629 if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
630 return false;
631 else
632 return true;
633 }
634
635 /* hpd for digital panel detect/disconnect */
636 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
637 {
638 bool connected = false;
639
640 if (ASIC_IS_DCE3(rdev)) {
641 switch (hpd) {
642 case RADEON_HPD_1:
643 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
644 connected = true;
645 break;
646 case RADEON_HPD_2:
647 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
648 connected = true;
649 break;
650 case RADEON_HPD_3:
651 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
652 connected = true;
653 break;
654 case RADEON_HPD_4:
655 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
656 connected = true;
657 break;
658 /* DCE 3.2 */
659 case RADEON_HPD_5:
660 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
661 connected = true;
662 break;
663 case RADEON_HPD_6:
664 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
665 connected = true;
666 break;
667 default:
668 break;
669 }
670 } else {
671 switch (hpd) {
672 case RADEON_HPD_1:
673 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
674 connected = true;
675 break;
676 case RADEON_HPD_2:
677 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
678 connected = true;
679 break;
680 case RADEON_HPD_3:
681 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
682 connected = true;
683 break;
684 default:
685 break;
686 }
687 }
688 return connected;
689 }
690
691 void r600_hpd_set_polarity(struct radeon_device *rdev,
692 enum radeon_hpd_id hpd)
693 {
694 u32 tmp;
695 bool connected = r600_hpd_sense(rdev, hpd);
696
697 if (ASIC_IS_DCE3(rdev)) {
698 switch (hpd) {
699 case RADEON_HPD_1:
700 tmp = RREG32(DC_HPD1_INT_CONTROL);
701 if (connected)
702 tmp &= ~DC_HPDx_INT_POLARITY;
703 else
704 tmp |= DC_HPDx_INT_POLARITY;
705 WREG32(DC_HPD1_INT_CONTROL, tmp);
706 break;
707 case RADEON_HPD_2:
708 tmp = RREG32(DC_HPD2_INT_CONTROL);
709 if (connected)
710 tmp &= ~DC_HPDx_INT_POLARITY;
711 else
712 tmp |= DC_HPDx_INT_POLARITY;
713 WREG32(DC_HPD2_INT_CONTROL, tmp);
714 break;
715 case RADEON_HPD_3:
716 tmp = RREG32(DC_HPD3_INT_CONTROL);
717 if (connected)
718 tmp &= ~DC_HPDx_INT_POLARITY;
719 else
720 tmp |= DC_HPDx_INT_POLARITY;
721 WREG32(DC_HPD3_INT_CONTROL, tmp);
722 break;
723 case RADEON_HPD_4:
724 tmp = RREG32(DC_HPD4_INT_CONTROL);
725 if (connected)
726 tmp &= ~DC_HPDx_INT_POLARITY;
727 else
728 tmp |= DC_HPDx_INT_POLARITY;
729 WREG32(DC_HPD4_INT_CONTROL, tmp);
730 break;
731 case RADEON_HPD_5:
732 tmp = RREG32(DC_HPD5_INT_CONTROL);
733 if (connected)
734 tmp &= ~DC_HPDx_INT_POLARITY;
735 else
736 tmp |= DC_HPDx_INT_POLARITY;
737 WREG32(DC_HPD5_INT_CONTROL, tmp);
738 break;
739 /* DCE 3.2 */
740 case RADEON_HPD_6:
741 tmp = RREG32(DC_HPD6_INT_CONTROL);
742 if (connected)
743 tmp &= ~DC_HPDx_INT_POLARITY;
744 else
745 tmp |= DC_HPDx_INT_POLARITY;
746 WREG32(DC_HPD6_INT_CONTROL, tmp);
747 break;
748 default:
749 break;
750 }
751 } else {
752 switch (hpd) {
753 case RADEON_HPD_1:
754 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
755 if (connected)
756 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
757 else
758 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
759 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
760 break;
761 case RADEON_HPD_2:
762 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
763 if (connected)
764 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
765 else
766 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
767 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
768 break;
769 case RADEON_HPD_3:
770 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
771 if (connected)
772 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
773 else
774 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
775 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
776 break;
777 default:
778 break;
779 }
780 }
781 }
782
783 void r600_hpd_init(struct radeon_device *rdev)
784 {
785 struct drm_device *dev = rdev->ddev;
786 struct drm_connector *connector;
787 unsigned enable = 0;
788
789 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
790 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
791
792 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
793 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
794 /* don't try to enable hpd on eDP or LVDS avoid breaking the
795 * aux dp channel on imac and help (but not completely fix)
796 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
797 */
798 continue;
799 }
800 if (ASIC_IS_DCE3(rdev)) {
801 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
802 if (ASIC_IS_DCE32(rdev))
803 tmp |= DC_HPDx_EN;
804
805 switch (radeon_connector->hpd.hpd) {
806 case RADEON_HPD_1:
807 WREG32(DC_HPD1_CONTROL, tmp);
808 break;
809 case RADEON_HPD_2:
810 WREG32(DC_HPD2_CONTROL, tmp);
811 break;
812 case RADEON_HPD_3:
813 WREG32(DC_HPD3_CONTROL, tmp);
814 break;
815 case RADEON_HPD_4:
816 WREG32(DC_HPD4_CONTROL, tmp);
817 break;
818 /* DCE 3.2 */
819 case RADEON_HPD_5:
820 WREG32(DC_HPD5_CONTROL, tmp);
821 break;
822 case RADEON_HPD_6:
823 WREG32(DC_HPD6_CONTROL, tmp);
824 break;
825 default:
826 break;
827 }
828 } else {
829 switch (radeon_connector->hpd.hpd) {
830 case RADEON_HPD_1:
831 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
832 break;
833 case RADEON_HPD_2:
834 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
835 break;
836 case RADEON_HPD_3:
837 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
838 break;
839 default:
840 break;
841 }
842 }
843 enable |= 1 << radeon_connector->hpd.hpd;
844 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
845 }
846 radeon_irq_kms_enable_hpd(rdev, enable);
847 }
848
849 void r600_hpd_fini(struct radeon_device *rdev)
850 {
851 struct drm_device *dev = rdev->ddev;
852 struct drm_connector *connector;
853 unsigned disable = 0;
854
855 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
856 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
857 if (ASIC_IS_DCE3(rdev)) {
858 switch (radeon_connector->hpd.hpd) {
859 case RADEON_HPD_1:
860 WREG32(DC_HPD1_CONTROL, 0);
861 break;
862 case RADEON_HPD_2:
863 WREG32(DC_HPD2_CONTROL, 0);
864 break;
865 case RADEON_HPD_3:
866 WREG32(DC_HPD3_CONTROL, 0);
867 break;
868 case RADEON_HPD_4:
869 WREG32(DC_HPD4_CONTROL, 0);
870 break;
871 /* DCE 3.2 */
872 case RADEON_HPD_5:
873 WREG32(DC_HPD5_CONTROL, 0);
874 break;
875 case RADEON_HPD_6:
876 WREG32(DC_HPD6_CONTROL, 0);
877 break;
878 default:
879 break;
880 }
881 } else {
882 switch (radeon_connector->hpd.hpd) {
883 case RADEON_HPD_1:
884 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
885 break;
886 case RADEON_HPD_2:
887 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
888 break;
889 case RADEON_HPD_3:
890 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
891 break;
892 default:
893 break;
894 }
895 }
896 disable |= 1 << radeon_connector->hpd.hpd;
897 }
898 radeon_irq_kms_disable_hpd(rdev, disable);
899 }
900
901 /*
902 * R600 PCIE GART
903 */
904 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
905 {
906 unsigned i;
907 u32 tmp;
908
909 /* flush hdp cache so updates hit vram */
910 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
911 !(rdev->flags & RADEON_IS_AGP)) {
912 void __iomem *ptr = (void *)rdev->gart.ptr;
913 u32 tmp;
914
915 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
916 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
917 * This seems to cause problems on some AGP cards. Just use the old
918 * method for them.
919 */
920 WREG32(HDP_DEBUG1, 0);
921 tmp = readl((void __iomem *)ptr);
922 } else
923 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
924
925 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
926 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
927 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
928 for (i = 0; i < rdev->usec_timeout; i++) {
929 /* read MC_STATUS */
930 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
931 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
932 if (tmp == 2) {
933 printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
934 return;
935 }
936 if (tmp) {
937 return;
938 }
939 udelay(1);
940 }
941 }
942
943 int r600_pcie_gart_init(struct radeon_device *rdev)
944 {
945 int r;
946
947 if (rdev->gart.robj) {
948 WARN(1, "R600 PCIE GART already initialized\n");
949 return 0;
950 }
951 /* Initialize common gart structure */
952 r = radeon_gart_init(rdev);
953 if (r)
954 return r;
955 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
956 return radeon_gart_table_vram_alloc(rdev);
957 }
958
959 static int r600_pcie_gart_enable(struct radeon_device *rdev)
960 {
961 u32 tmp;
962 int r, i;
963
964 if (rdev->gart.robj == NULL) {
965 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
966 return -EINVAL;
967 }
968 r = radeon_gart_table_vram_pin(rdev);
969 if (r)
970 return r;
971 radeon_gart_restore(rdev);
972
973 /* Setup L2 cache */
974 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
975 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
976 EFFECTIVE_L2_QUEUE_SIZE(7));
977 WREG32(VM_L2_CNTL2, 0);
978 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
979 /* Setup TLB control */
980 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
981 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
982 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
983 ENABLE_WAIT_L2_QUERY;
984 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
985 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
986 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
987 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
988 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
989 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
990 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
991 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
992 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
993 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
994 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
995 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
996 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
997 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
998 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
999 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1000 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1001 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1002 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1003 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1004 (u32)(rdev->dummy_page.addr >> 12));
1005 for (i = 1; i < 7; i++)
1006 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1007
1008 r600_pcie_gart_tlb_flush(rdev);
1009 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1010 (unsigned)(rdev->mc.gtt_size >> 20),
1011 (unsigned long long)rdev->gart.table_addr);
1012 rdev->gart.ready = true;
1013 return 0;
1014 }
1015
1016 static void r600_pcie_gart_disable(struct radeon_device *rdev)
1017 {
1018 u32 tmp;
1019 int i;
1020
1021 /* Disable all tables */
1022 for (i = 0; i < 7; i++)
1023 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1024
1025 /* Disable L2 cache */
1026 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1027 EFFECTIVE_L2_QUEUE_SIZE(7));
1028 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1029 /* Setup L1 TLB control */
1030 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1031 ENABLE_WAIT_L2_QUERY;
1032 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1033 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1034 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1035 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1036 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1037 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1038 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1039 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1040 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
1041 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
1042 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1043 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1044 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
1045 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1046 radeon_gart_table_vram_unpin(rdev);
1047 }
1048
1049 static void r600_pcie_gart_fini(struct radeon_device *rdev)
1050 {
1051 radeon_gart_fini(rdev);
1052 r600_pcie_gart_disable(rdev);
1053 radeon_gart_table_vram_free(rdev);
1054 }
1055
1056 static void r600_agp_enable(struct radeon_device *rdev)
1057 {
1058 u32 tmp;
1059 int i;
1060
1061 /* Setup L2 cache */
1062 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1063 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1064 EFFECTIVE_L2_QUEUE_SIZE(7));
1065 WREG32(VM_L2_CNTL2, 0);
1066 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1067 /* Setup TLB control */
1068 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1069 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1070 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1071 ENABLE_WAIT_L2_QUERY;
1072 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1073 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1074 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1075 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1076 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1077 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1078 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1079 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1080 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1081 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1082 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1083 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1084 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1085 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1086 for (i = 0; i < 7; i++)
1087 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1088 }
1089
1090 int r600_mc_wait_for_idle(struct radeon_device *rdev)
1091 {
1092 unsigned i;
1093 u32 tmp;
1094
1095 for (i = 0; i < rdev->usec_timeout; i++) {
1096 /* read MC_STATUS */
1097 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1098 if (!tmp)
1099 return 0;
1100 udelay(1);
1101 }
1102 return -1;
1103 }
1104
1105 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
1106 {
1107 unsigned long flags;
1108 uint32_t r;
1109
1110 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
1111 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
1112 r = RREG32(R_0028FC_MC_DATA);
1113 WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
1114 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
1115 return r;
1116 }
1117
1118 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1119 {
1120 unsigned long flags;
1121
1122 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
1123 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
1124 S_0028F8_MC_IND_WR_EN(1));
1125 WREG32(R_0028FC_MC_DATA, v);
1126 WREG32(R_0028F8_MC_INDEX, 0x7F);
1127 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
1128 }
1129
1130 static void r600_mc_program(struct radeon_device *rdev)
1131 {
1132 struct rv515_mc_save save;
1133 u32 tmp;
1134 int i, j;
1135
1136 /* Initialize HDP */
1137 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1138 WREG32((0x2c14 + j), 0x00000000);
1139 WREG32((0x2c18 + j), 0x00000000);
1140 WREG32((0x2c1c + j), 0x00000000);
1141 WREG32((0x2c20 + j), 0x00000000);
1142 WREG32((0x2c24 + j), 0x00000000);
1143 }
1144 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1145
1146 rv515_mc_stop(rdev, &save);
1147 if (r600_mc_wait_for_idle(rdev)) {
1148 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1149 }
1150 /* Lockout access through VGA aperture (doesn't exist before R600) */
1151 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1152 /* Update configuration */
1153 if (rdev->flags & RADEON_IS_AGP) {
1154 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1155 /* VRAM before AGP */
1156 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1157 rdev->mc.vram_start >> 12);
1158 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1159 rdev->mc.gtt_end >> 12);
1160 } else {
1161 /* VRAM after AGP */
1162 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1163 rdev->mc.gtt_start >> 12);
1164 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1165 rdev->mc.vram_end >> 12);
1166 }
1167 } else {
1168 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1169 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1170 }
1171 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1172 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1173 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1174 WREG32(MC_VM_FB_LOCATION, tmp);
1175 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1176 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1177 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1178 if (rdev->flags & RADEON_IS_AGP) {
1179 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1180 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1181 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1182 } else {
1183 WREG32(MC_VM_AGP_BASE, 0);
1184 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1185 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1186 }
1187 if (r600_mc_wait_for_idle(rdev)) {
1188 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1189 }
1190 rv515_mc_resume(rdev, &save);
1191 /* we need to own VRAM, so turn off the VGA renderer here
1192 * to stop it overwriting our objects */
1193 rv515_vga_render_disable(rdev);
1194 }
1195
1196 /**
1197 * r600_vram_gtt_location - try to find VRAM & GTT location
1198 * @rdev: radeon device structure holding all necessary informations
1199 * @mc: memory controller structure holding memory informations
1200 *
1201 * Function will place try to place VRAM at same place as in CPU (PCI)
1202 * address space as some GPU seems to have issue when we reprogram at
1203 * different address space.
1204 *
1205 * If there is not enough space to fit the unvisible VRAM after the
1206 * aperture then we limit the VRAM size to the aperture.
1207 *
1208 * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1209 * them to be in one from GPU point of view so that we can program GPU to
1210 * catch access outside them (weird GPU policy see ??).
1211 *
1212 * This function will never fails, worst case are limiting VRAM or GTT.
1213 *
1214 * Note: GTT start, end, size should be initialized before calling this
1215 * function on AGP platform.
1216 */
1217 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1218 {
1219 u64 size_bf, size_af;
1220
1221 if (mc->mc_vram_size > 0xE0000000) {
1222 /* leave room for at least 512M GTT */
1223 dev_warn(rdev->dev, "limiting VRAM\n");
1224 mc->real_vram_size = 0xE0000000;
1225 mc->mc_vram_size = 0xE0000000;
1226 }
1227 if (rdev->flags & RADEON_IS_AGP) {
1228 size_bf = mc->gtt_start;
1229 size_af = mc->mc_mask - mc->gtt_end;
1230 if (size_bf > size_af) {
1231 if (mc->mc_vram_size > size_bf) {
1232 dev_warn(rdev->dev, "limiting VRAM\n");
1233 mc->real_vram_size = size_bf;
1234 mc->mc_vram_size = size_bf;
1235 }
1236 mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1237 } else {
1238 if (mc->mc_vram_size > size_af) {
1239 dev_warn(rdev->dev, "limiting VRAM\n");
1240 mc->real_vram_size = size_af;
1241 mc->mc_vram_size = size_af;
1242 }
1243 mc->vram_start = mc->gtt_end + 1;
1244 }
1245 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1246 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1247 mc->mc_vram_size >> 20, mc->vram_start,
1248 mc->vram_end, mc->real_vram_size >> 20);
1249 } else {
1250 u64 base = 0;
1251 if (rdev->flags & RADEON_IS_IGP) {
1252 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1253 base <<= 24;
1254 }
1255 radeon_vram_location(rdev, &rdev->mc, base);
1256 rdev->mc.gtt_base_align = 0;
1257 radeon_gtt_location(rdev, mc);
1258 }
1259 }
1260
1261 static int r600_mc_init(struct radeon_device *rdev)
1262 {
1263 u32 tmp;
1264 int chansize, numchan;
1265 uint32_t h_addr, l_addr;
1266 unsigned long long k8_addr;
1267
1268 /* Get VRAM informations */
1269 rdev->mc.vram_is_ddr = true;
1270 tmp = RREG32(RAMCFG);
1271 if (tmp & CHANSIZE_OVERRIDE) {
1272 chansize = 16;
1273 } else if (tmp & CHANSIZE_MASK) {
1274 chansize = 64;
1275 } else {
1276 chansize = 32;
1277 }
1278 tmp = RREG32(CHMAP);
1279 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1280 case 0:
1281 default:
1282 numchan = 1;
1283 break;
1284 case 1:
1285 numchan = 2;
1286 break;
1287 case 2:
1288 numchan = 4;
1289 break;
1290 case 3:
1291 numchan = 8;
1292 break;
1293 }
1294 rdev->mc.vram_width = numchan * chansize;
1295 /* Could aper size report 0 ? */
1296 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1297 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1298 /* Setup GPU memory space */
1299 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1300 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1301 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1302 r600_vram_gtt_location(rdev, &rdev->mc);
1303
1304 if (rdev->flags & RADEON_IS_IGP) {
1305 rs690_pm_info(rdev);
1306 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1307
1308 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
1309 /* Use K8 direct mapping for fast fb access. */
1310 rdev->fastfb_working = false;
1311 h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
1312 l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
1313 k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
1314 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
1315 if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
1316 #endif
1317 {
1318 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
1319 * memory is present.
1320 */
1321 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
1322 DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
1323 (unsigned long long)rdev->mc.aper_base, k8_addr);
1324 rdev->mc.aper_base = (resource_size_t)k8_addr;
1325 rdev->fastfb_working = true;
1326 }
1327 }
1328 }
1329 }
1330
1331 radeon_update_bandwidth_info(rdev);
1332 return 0;
1333 }
1334
1335 int r600_vram_scratch_init(struct radeon_device *rdev)
1336 {
1337 int r;
1338
1339 if (rdev->vram_scratch.robj == NULL) {
1340 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1341 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1342 NULL, &rdev->vram_scratch.robj);
1343 if (r) {
1344 return r;
1345 }
1346 }
1347
1348 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1349 if (unlikely(r != 0))
1350 return r;
1351 r = radeon_bo_pin(rdev->vram_scratch.robj,
1352 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1353 if (r) {
1354 radeon_bo_unreserve(rdev->vram_scratch.robj);
1355 return r;
1356 }
1357 r = radeon_bo_kmap(rdev->vram_scratch.robj,
1358 (void **)&rdev->vram_scratch.ptr);
1359 if (r)
1360 radeon_bo_unpin(rdev->vram_scratch.robj);
1361 radeon_bo_unreserve(rdev->vram_scratch.robj);
1362
1363 return r;
1364 }
1365
1366 void r600_vram_scratch_fini(struct radeon_device *rdev)
1367 {
1368 int r;
1369
1370 if (rdev->vram_scratch.robj == NULL) {
1371 return;
1372 }
1373 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1374 if (likely(r == 0)) {
1375 radeon_bo_kunmap(rdev->vram_scratch.robj);
1376 radeon_bo_unpin(rdev->vram_scratch.robj);
1377 radeon_bo_unreserve(rdev->vram_scratch.robj);
1378 }
1379 radeon_bo_unref(&rdev->vram_scratch.robj);
1380 }
1381
1382 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
1383 {
1384 u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
1385
1386 if (hung)
1387 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1388 else
1389 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1390
1391 WREG32(R600_BIOS_3_SCRATCH, tmp);
1392 }
1393
1394 static void r600_print_gpu_status_regs(struct radeon_device *rdev)
1395 {
1396 dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n",
1397 RREG32(R_008010_GRBM_STATUS));
1398 dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n",
1399 RREG32(R_008014_GRBM_STATUS2));
1400 dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n",
1401 RREG32(R_000E50_SRBM_STATUS));
1402 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1403 RREG32(CP_STALLED_STAT1));
1404 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1405 RREG32(CP_STALLED_STAT2));
1406 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
1407 RREG32(CP_BUSY_STAT));
1408 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
1409 RREG32(CP_STAT));
1410 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
1411 RREG32(DMA_STATUS_REG));
1412 }
1413
1414 static bool r600_is_display_hung(struct radeon_device *rdev)
1415 {
1416 u32 crtc_hung = 0;
1417 u32 crtc_status[2];
1418 u32 i, j, tmp;
1419
1420 for (i = 0; i < rdev->num_crtc; i++) {
1421 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
1422 crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1423 crtc_hung |= (1 << i);
1424 }
1425 }
1426
1427 for (j = 0; j < 10; j++) {
1428 for (i = 0; i < rdev->num_crtc; i++) {
1429 if (crtc_hung & (1 << i)) {
1430 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1431 if (tmp != crtc_status[i])
1432 crtc_hung &= ~(1 << i);
1433 }
1434 }
1435 if (crtc_hung == 0)
1436 return false;
1437 udelay(100);
1438 }
1439
1440 return true;
1441 }
1442
1443 u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
1444 {
1445 u32 reset_mask = 0;
1446 u32 tmp;
1447
1448 /* GRBM_STATUS */
1449 tmp = RREG32(R_008010_GRBM_STATUS);
1450 if (rdev->family >= CHIP_RV770) {
1451 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1452 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1453 G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1454 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1455 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1456 reset_mask |= RADEON_RESET_GFX;
1457 } else {
1458 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1459 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1460 G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1461 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1462 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1463 reset_mask |= RADEON_RESET_GFX;
1464 }
1465
1466 if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
1467 G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
1468 reset_mask |= RADEON_RESET_CP;
1469
1470 if (G_008010_GRBM_EE_BUSY(tmp))
1471 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1472
1473 /* DMA_STATUS_REG */
1474 tmp = RREG32(DMA_STATUS_REG);
1475 if (!(tmp & DMA_IDLE))
1476 reset_mask |= RADEON_RESET_DMA;
1477
1478 /* SRBM_STATUS */
1479 tmp = RREG32(R_000E50_SRBM_STATUS);
1480 if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
1481 reset_mask |= RADEON_RESET_RLC;
1482
1483 if (G_000E50_IH_BUSY(tmp))
1484 reset_mask |= RADEON_RESET_IH;
1485
1486 if (G_000E50_SEM_BUSY(tmp))
1487 reset_mask |= RADEON_RESET_SEM;
1488
1489 if (G_000E50_GRBM_RQ_PENDING(tmp))
1490 reset_mask |= RADEON_RESET_GRBM;
1491
1492 if (G_000E50_VMC_BUSY(tmp))
1493 reset_mask |= RADEON_RESET_VMC;
1494
1495 if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
1496 G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
1497 G_000E50_MCDW_BUSY(tmp))
1498 reset_mask |= RADEON_RESET_MC;
1499
1500 if (r600_is_display_hung(rdev))
1501 reset_mask |= RADEON_RESET_DISPLAY;
1502
1503 /* Skip MC reset as it's mostly likely not hung, just busy */
1504 if (reset_mask & RADEON_RESET_MC) {
1505 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1506 reset_mask &= ~RADEON_RESET_MC;
1507 }
1508
1509 return reset_mask;
1510 }
1511
1512 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1513 {
1514 struct rv515_mc_save save;
1515 u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1516 u32 tmp;
1517
1518 if (reset_mask == 0)
1519 return;
1520
1521 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1522
1523 r600_print_gpu_status_regs(rdev);
1524
1525 /* Disable CP parsing/prefetching */
1526 if (rdev->family >= CHIP_RV770)
1527 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1528 else
1529 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1530
1531 /* disable the RLC */
1532 WREG32(RLC_CNTL, 0);
1533
1534 if (reset_mask & RADEON_RESET_DMA) {
1535 /* Disable DMA */
1536 tmp = RREG32(DMA_RB_CNTL);
1537 tmp &= ~DMA_RB_ENABLE;
1538 WREG32(DMA_RB_CNTL, tmp);
1539 }
1540
1541 mdelay(50);
1542
1543 rv515_mc_stop(rdev, &save);
1544 if (r600_mc_wait_for_idle(rdev)) {
1545 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1546 }
1547
1548 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1549 if (rdev->family >= CHIP_RV770)
1550 grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) |
1551 S_008020_SOFT_RESET_CB(1) |
1552 S_008020_SOFT_RESET_PA(1) |
1553 S_008020_SOFT_RESET_SC(1) |
1554 S_008020_SOFT_RESET_SPI(1) |
1555 S_008020_SOFT_RESET_SX(1) |
1556 S_008020_SOFT_RESET_SH(1) |
1557 S_008020_SOFT_RESET_TC(1) |
1558 S_008020_SOFT_RESET_TA(1) |
1559 S_008020_SOFT_RESET_VC(1) |
1560 S_008020_SOFT_RESET_VGT(1);
1561 else
1562 grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
1563 S_008020_SOFT_RESET_DB(1) |
1564 S_008020_SOFT_RESET_CB(1) |
1565 S_008020_SOFT_RESET_PA(1) |
1566 S_008020_SOFT_RESET_SC(1) |
1567 S_008020_SOFT_RESET_SMX(1) |
1568 S_008020_SOFT_RESET_SPI(1) |
1569 S_008020_SOFT_RESET_SX(1) |
1570 S_008020_SOFT_RESET_SH(1) |
1571 S_008020_SOFT_RESET_TC(1) |
1572 S_008020_SOFT_RESET_TA(1) |
1573 S_008020_SOFT_RESET_VC(1) |
1574 S_008020_SOFT_RESET_VGT(1);
1575 }
1576
1577 if (reset_mask & RADEON_RESET_CP) {
1578 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
1579 S_008020_SOFT_RESET_VGT(1);
1580
1581 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1582 }
1583
1584 if (reset_mask & RADEON_RESET_DMA) {
1585 if (rdev->family >= CHIP_RV770)
1586 srbm_soft_reset |= RV770_SOFT_RESET_DMA;
1587 else
1588 srbm_soft_reset |= SOFT_RESET_DMA;
1589 }
1590
1591 if (reset_mask & RADEON_RESET_RLC)
1592 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
1593
1594 if (reset_mask & RADEON_RESET_SEM)
1595 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
1596
1597 if (reset_mask & RADEON_RESET_IH)
1598 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
1599
1600 if (reset_mask & RADEON_RESET_GRBM)
1601 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1602
1603 if (!(rdev->flags & RADEON_IS_IGP)) {
1604 if (reset_mask & RADEON_RESET_MC)
1605 srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
1606 }
1607
1608 if (reset_mask & RADEON_RESET_VMC)
1609 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
1610
1611 if (grbm_soft_reset) {
1612 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1613 tmp |= grbm_soft_reset;
1614 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1615 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1616 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1617
1618 udelay(50);
1619
1620 tmp &= ~grbm_soft_reset;
1621 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1622 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1623 }
1624
1625 if (srbm_soft_reset) {
1626 tmp = RREG32(SRBM_SOFT_RESET);
1627 tmp |= srbm_soft_reset;
1628 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1629 WREG32(SRBM_SOFT_RESET, tmp);
1630 tmp = RREG32(SRBM_SOFT_RESET);
1631
1632 udelay(50);
1633
1634 tmp &= ~srbm_soft_reset;
1635 WREG32(SRBM_SOFT_RESET, tmp);
1636 tmp = RREG32(SRBM_SOFT_RESET);
1637 }
1638
1639 /* Wait a little for things to settle down */
1640 mdelay(1);
1641
1642 rv515_mc_resume(rdev, &save);
1643 udelay(50);
1644
1645 r600_print_gpu_status_regs(rdev);
1646 }
1647
1648 static void r600_gpu_pci_config_reset(struct radeon_device *rdev)
1649 {
1650 struct rv515_mc_save save;
1651 u32 tmp, i;
1652
1653 dev_info(rdev->dev, "GPU pci config reset\n");
1654
1655 /* disable dpm? */
1656
1657 /* Disable CP parsing/prefetching */
1658 if (rdev->family >= CHIP_RV770)
1659 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1660 else
1661 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1662
1663 /* disable the RLC */
1664 WREG32(RLC_CNTL, 0);
1665
1666 /* Disable DMA */
1667 tmp = RREG32(DMA_RB_CNTL);
1668 tmp &= ~DMA_RB_ENABLE;
1669 WREG32(DMA_RB_CNTL, tmp);
1670
1671 mdelay(50);
1672
1673 /* set mclk/sclk to bypass */
1674 if (rdev->family >= CHIP_RV770)
1675 rv770_set_clk_bypass_mode(rdev);
1676 /* disable BM */
1677 pci_clear_master(rdev->pdev);
1678 /* disable mem access */
1679 rv515_mc_stop(rdev, &save);
1680 if (r600_mc_wait_for_idle(rdev)) {
1681 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1682 }
1683
1684 /* BIF reset workaround. Not sure if this is needed on 6xx */
1685 tmp = RREG32(BUS_CNTL);
1686 tmp |= VGA_COHE_SPEC_TIMER_DIS;
1687 WREG32(BUS_CNTL, tmp);
1688
1689 tmp = RREG32(BIF_SCRATCH0);
1690
1691 /* reset */
1692 radeon_pci_config_reset(rdev);
1693 mdelay(1);
1694
1695 /* BIF reset workaround. Not sure if this is needed on 6xx */
1696 tmp = SOFT_RESET_BIF;
1697 WREG32(SRBM_SOFT_RESET, tmp);
1698 mdelay(1);
1699 WREG32(SRBM_SOFT_RESET, 0);
1700
1701 /* wait for asic to come out of reset */
1702 for (i = 0; i < rdev->usec_timeout; i++) {
1703 if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
1704 break;
1705 udelay(1);
1706 }
1707 }
1708
1709 int r600_asic_reset(struct radeon_device *rdev)
1710 {
1711 u32 reset_mask;
1712
1713 reset_mask = r600_gpu_check_soft_reset(rdev);
1714
1715 if (reset_mask)
1716 r600_set_bios_scratch_engine_hung(rdev, true);
1717
1718 /* try soft reset */
1719 r600_gpu_soft_reset(rdev, reset_mask);
1720
1721 reset_mask = r600_gpu_check_soft_reset(rdev);
1722
1723 /* try pci config reset */
1724 if (reset_mask && radeon_hard_reset)
1725 r600_gpu_pci_config_reset(rdev);
1726
1727 reset_mask = r600_gpu_check_soft_reset(rdev);
1728
1729 if (!reset_mask)
1730 r600_set_bios_scratch_engine_hung(rdev, false);
1731
1732 return 0;
1733 }
1734
1735 /**
1736 * r600_gfx_is_lockup - Check if the GFX engine is locked up
1737 *
1738 * @rdev: radeon_device pointer
1739 * @ring: radeon_ring structure holding ring information
1740 *
1741 * Check if the GFX engine is locked up.
1742 * Returns true if the engine appears to be locked up, false if not.
1743 */
1744 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1745 {
1746 u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1747
1748 if (!(reset_mask & (RADEON_RESET_GFX |
1749 RADEON_RESET_COMPUTE |
1750 RADEON_RESET_CP))) {
1751 radeon_ring_lockup_update(ring);
1752 return false;
1753 }
1754 /* force CP activities */
1755 radeon_ring_force_activity(rdev, ring);
1756 return radeon_ring_test_lockup(rdev, ring);
1757 }
1758
1759 u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1760 u32 tiling_pipe_num,
1761 u32 max_rb_num,
1762 u32 total_max_rb_num,
1763 u32 disabled_rb_mask)
1764 {
1765 u32 rendering_pipe_num, rb_num_width, req_rb_num;
1766 u32 pipe_rb_ratio, pipe_rb_remain, tmp;
1767 u32 data = 0, mask = 1 << (max_rb_num - 1);
1768 unsigned i, j;
1769
1770 /* mask out the RBs that don't exist on that asic */
1771 tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
1772 /* make sure at least one RB is available */
1773 if ((tmp & 0xff) != 0xff)
1774 disabled_rb_mask = tmp;
1775
1776 rendering_pipe_num = 1 << tiling_pipe_num;
1777 req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
1778 BUG_ON(rendering_pipe_num < req_rb_num);
1779
1780 pipe_rb_ratio = rendering_pipe_num / req_rb_num;
1781 pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
1782
1783 if (rdev->family <= CHIP_RV740) {
1784 /* r6xx/r7xx */
1785 rb_num_width = 2;
1786 } else {
1787 /* eg+ */
1788 rb_num_width = 4;
1789 }
1790
1791 for (i = 0; i < max_rb_num; i++) {
1792 if (!(mask & disabled_rb_mask)) {
1793 for (j = 0; j < pipe_rb_ratio; j++) {
1794 data <<= rb_num_width;
1795 data |= max_rb_num - i - 1;
1796 }
1797 if (pipe_rb_remain) {
1798 data <<= rb_num_width;
1799 data |= max_rb_num - i - 1;
1800 pipe_rb_remain--;
1801 }
1802 }
1803 mask >>= 1;
1804 }
1805
1806 return data;
1807 }
1808
1809 int r600_count_pipe_bits(uint32_t val)
1810 {
1811 return hweight32(val);
1812 }
1813
1814 static void r600_gpu_init(struct radeon_device *rdev)
1815 {
1816 u32 tiling_config;
1817 u32 ramcfg;
1818 u32 cc_rb_backend_disable;
1819 u32 cc_gc_shader_pipe_config;
1820 u32 tmp;
1821 int i, j;
1822 u32 sq_config;
1823 u32 sq_gpr_resource_mgmt_1 = 0;
1824 u32 sq_gpr_resource_mgmt_2 = 0;
1825 u32 sq_thread_resource_mgmt = 0;
1826 u32 sq_stack_resource_mgmt_1 = 0;
1827 u32 sq_stack_resource_mgmt_2 = 0;
1828 u32 disabled_rb_mask;
1829
1830 rdev->config.r600.tiling_group_size = 256;
1831 switch (rdev->family) {
1832 case CHIP_R600:
1833 rdev->config.r600.max_pipes = 4;
1834 rdev->config.r600.max_tile_pipes = 8;
1835 rdev->config.r600.max_simds = 4;
1836 rdev->config.r600.max_backends = 4;
1837 rdev->config.r600.max_gprs = 256;
1838 rdev->config.r600.max_threads = 192;
1839 rdev->config.r600.max_stack_entries = 256;
1840 rdev->config.r600.max_hw_contexts = 8;
1841 rdev->config.r600.max_gs_threads = 16;
1842 rdev->config.r600.sx_max_export_size = 128;
1843 rdev->config.r600.sx_max_export_pos_size = 16;
1844 rdev->config.r600.sx_max_export_smx_size = 128;
1845 rdev->config.r600.sq_num_cf_insts = 2;
1846 break;
1847 case CHIP_RV630:
1848 case CHIP_RV635:
1849 rdev->config.r600.max_pipes = 2;
1850 rdev->config.r600.max_tile_pipes = 2;
1851 rdev->config.r600.max_simds = 3;
1852 rdev->config.r600.max_backends = 1;
1853 rdev->config.r600.max_gprs = 128;
1854 rdev->config.r600.max_threads = 192;
1855 rdev->config.r600.max_stack_entries = 128;
1856 rdev->config.r600.max_hw_contexts = 8;
1857 rdev->config.r600.max_gs_threads = 4;
1858 rdev->config.r600.sx_max_export_size = 128;
1859 rdev->config.r600.sx_max_export_pos_size = 16;
1860 rdev->config.r600.sx_max_export_smx_size = 128;
1861 rdev->config.r600.sq_num_cf_insts = 2;
1862 break;
1863 case CHIP_RV610:
1864 case CHIP_RV620:
1865 case CHIP_RS780:
1866 case CHIP_RS880:
1867 rdev->config.r600.max_pipes = 1;
1868 rdev->config.r600.max_tile_pipes = 1;
1869 rdev->config.r600.max_simds = 2;
1870 rdev->config.r600.max_backends = 1;
1871 rdev->config.r600.max_gprs = 128;
1872 rdev->config.r600.max_threads = 192;
1873 rdev->config.r600.max_stack_entries = 128;
1874 rdev->config.r600.max_hw_contexts = 4;
1875 rdev->config.r600.max_gs_threads = 4;
1876 rdev->config.r600.sx_max_export_size = 128;
1877 rdev->config.r600.sx_max_export_pos_size = 16;
1878 rdev->config.r600.sx_max_export_smx_size = 128;
1879 rdev->config.r600.sq_num_cf_insts = 1;
1880 break;
1881 case CHIP_RV670:
1882 rdev->config.r600.max_pipes = 4;
1883 rdev->config.r600.max_tile_pipes = 4;
1884 rdev->config.r600.max_simds = 4;
1885 rdev->config.r600.max_backends = 4;
1886 rdev->config.r600.max_gprs = 192;
1887 rdev->config.r600.max_threads = 192;
1888 rdev->config.r600.max_stack_entries = 256;
1889 rdev->config.r600.max_hw_contexts = 8;
1890 rdev->config.r600.max_gs_threads = 16;
1891 rdev->config.r600.sx_max_export_size = 128;
1892 rdev->config.r600.sx_max_export_pos_size = 16;
1893 rdev->config.r600.sx_max_export_smx_size = 128;
1894 rdev->config.r600.sq_num_cf_insts = 2;
1895 break;
1896 default:
1897 break;
1898 }
1899
1900 /* Initialize HDP */
1901 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1902 WREG32((0x2c14 + j), 0x00000000);
1903 WREG32((0x2c18 + j), 0x00000000);
1904 WREG32((0x2c1c + j), 0x00000000);
1905 WREG32((0x2c20 + j), 0x00000000);
1906 WREG32((0x2c24 + j), 0x00000000);
1907 }
1908
1909 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1910
1911 /* Setup tiling */
1912 tiling_config = 0;
1913 ramcfg = RREG32(RAMCFG);
1914 switch (rdev->config.r600.max_tile_pipes) {
1915 case 1:
1916 tiling_config |= PIPE_TILING(0);
1917 break;
1918 case 2:
1919 tiling_config |= PIPE_TILING(1);
1920 break;
1921 case 4:
1922 tiling_config |= PIPE_TILING(2);
1923 break;
1924 case 8:
1925 tiling_config |= PIPE_TILING(3);
1926 break;
1927 default:
1928 break;
1929 }
1930 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1931 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1932 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1933 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1934
1935 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1936 if (tmp > 3) {
1937 tiling_config |= ROW_TILING(3);
1938 tiling_config |= SAMPLE_SPLIT(3);
1939 } else {
1940 tiling_config |= ROW_TILING(tmp);
1941 tiling_config |= SAMPLE_SPLIT(tmp);
1942 }
1943 tiling_config |= BANK_SWAPS(1);
1944
1945 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1946 tmp = R6XX_MAX_BACKENDS -
1947 r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK);
1948 if (tmp < rdev->config.r600.max_backends) {
1949 rdev->config.r600.max_backends = tmp;
1950 }
1951
1952 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
1953 tmp = R6XX_MAX_PIPES -
1954 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK);
1955 if (tmp < rdev->config.r600.max_pipes) {
1956 rdev->config.r600.max_pipes = tmp;
1957 }
1958 tmp = R6XX_MAX_SIMDS -
1959 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
1960 if (tmp < rdev->config.r600.max_simds) {
1961 rdev->config.r600.max_simds = tmp;
1962 }
1963
1964 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
1965 tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1966 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
1967 R6XX_MAX_BACKENDS, disabled_rb_mask);
1968 tiling_config |= tmp << 16;
1969 rdev->config.r600.backend_map = tmp;
1970
1971 rdev->config.r600.tile_config = tiling_config;
1972 WREG32(GB_TILING_CONFIG, tiling_config);
1973 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1974 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1975 WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
1976
1977 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1978 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1979 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1980
1981 /* Setup some CP states */
1982 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1983 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1984
1985 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1986 SYNC_WALKER | SYNC_ALIGNER));
1987 /* Setup various GPU states */
1988 if (rdev->family == CHIP_RV670)
1989 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1990
1991 tmp = RREG32(SX_DEBUG_1);
1992 tmp |= SMX_EVENT_RELEASE;
1993 if ((rdev->family > CHIP_R600))
1994 tmp |= ENABLE_NEW_SMX_ADDRESS;
1995 WREG32(SX_DEBUG_1, tmp);
1996
1997 if (((rdev->family) == CHIP_R600) ||
1998 ((rdev->family) == CHIP_RV630) ||
1999 ((rdev->family) == CHIP_RV610) ||
2000 ((rdev->family) == CHIP_RV620) ||
2001 ((rdev->family) == CHIP_RS780) ||
2002 ((rdev->family) == CHIP_RS880)) {
2003 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
2004 } else {
2005 WREG32(DB_DEBUG, 0);
2006 }
2007 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
2008 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
2009
2010 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2011 WREG32(VGT_NUM_INSTANCES, 0);
2012
2013 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
2014 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
2015
2016 tmp = RREG32(SQ_MS_FIFO_SIZES);
2017 if (((rdev->family) == CHIP_RV610) ||
2018 ((rdev->family) == CHIP_RV620) ||
2019 ((rdev->family) == CHIP_RS780) ||
2020 ((rdev->family) == CHIP_RS880)) {
2021 tmp = (CACHE_FIFO_SIZE(0xa) |
2022 FETCH_FIFO_HIWATER(0xa) |
2023 DONE_FIFO_HIWATER(0xe0) |
2024 ALU_UPDATE_FIFO_HIWATER(0x8));
2025 } else if (((rdev->family) == CHIP_R600) ||
2026 ((rdev->family) == CHIP_RV630)) {
2027 tmp &= ~DONE_FIFO_HIWATER(0xff);
2028 tmp |= DONE_FIFO_HIWATER(0x4);
2029 }
2030 WREG32(SQ_MS_FIFO_SIZES, tmp);
2031
2032 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
2033 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
2034 */
2035 sq_config = RREG32(SQ_CONFIG);
2036 sq_config &= ~(PS_PRIO(3) |
2037 VS_PRIO(3) |
2038 GS_PRIO(3) |
2039 ES_PRIO(3));
2040 sq_config |= (DX9_CONSTS |
2041 VC_ENABLE |
2042 PS_PRIO(0) |
2043 VS_PRIO(1) |
2044 GS_PRIO(2) |
2045 ES_PRIO(3));
2046
2047 if ((rdev->family) == CHIP_R600) {
2048 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
2049 NUM_VS_GPRS(124) |
2050 NUM_CLAUSE_TEMP_GPRS(4));
2051 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
2052 NUM_ES_GPRS(0));
2053 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
2054 NUM_VS_THREADS(48) |
2055 NUM_GS_THREADS(4) |
2056 NUM_ES_THREADS(4));
2057 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
2058 NUM_VS_STACK_ENTRIES(128));
2059 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
2060 NUM_ES_STACK_ENTRIES(0));
2061 } else if (((rdev->family) == CHIP_RV610) ||
2062 ((rdev->family) == CHIP_RV620) ||
2063 ((rdev->family) == CHIP_RS780) ||
2064 ((rdev->family) == CHIP_RS880)) {
2065 /* no vertex cache */
2066 sq_config &= ~VC_ENABLE;
2067
2068 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2069 NUM_VS_GPRS(44) |
2070 NUM_CLAUSE_TEMP_GPRS(2));
2071 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2072 NUM_ES_GPRS(17));
2073 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2074 NUM_VS_THREADS(78) |
2075 NUM_GS_THREADS(4) |
2076 NUM_ES_THREADS(31));
2077 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2078 NUM_VS_STACK_ENTRIES(40));
2079 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2080 NUM_ES_STACK_ENTRIES(16));
2081 } else if (((rdev->family) == CHIP_RV630) ||
2082 ((rdev->family) == CHIP_RV635)) {
2083 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2084 NUM_VS_GPRS(44) |
2085 NUM_CLAUSE_TEMP_GPRS(2));
2086 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
2087 NUM_ES_GPRS(18));
2088 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2089 NUM_VS_THREADS(78) |
2090 NUM_GS_THREADS(4) |
2091 NUM_ES_THREADS(31));
2092 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2093 NUM_VS_STACK_ENTRIES(40));
2094 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2095 NUM_ES_STACK_ENTRIES(16));
2096 } else if ((rdev->family) == CHIP_RV670) {
2097 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2098 NUM_VS_GPRS(44) |
2099 NUM_CLAUSE_TEMP_GPRS(2));
2100 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2101 NUM_ES_GPRS(17));
2102 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2103 NUM_VS_THREADS(78) |
2104 NUM_GS_THREADS(4) |
2105 NUM_ES_THREADS(31));
2106 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
2107 NUM_VS_STACK_ENTRIES(64));
2108 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
2109 NUM_ES_STACK_ENTRIES(64));
2110 }
2111
2112 WREG32(SQ_CONFIG, sq_config);
2113 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2114 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2115 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2116 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2117 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2118
2119 if (((rdev->family) == CHIP_RV610) ||
2120 ((rdev->family) == CHIP_RV620) ||
2121 ((rdev->family) == CHIP_RS780) ||
2122 ((rdev->family) == CHIP_RS880)) {
2123 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
2124 } else {
2125 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
2126 }
2127
2128 /* More default values. 2D/3D driver should adjust as needed */
2129 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
2130 S1_X(0x4) | S1_Y(0xc)));
2131 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
2132 S1_X(0x2) | S1_Y(0x2) |
2133 S2_X(0xa) | S2_Y(0x6) |
2134 S3_X(0x6) | S3_Y(0xa)));
2135 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
2136 S1_X(0x4) | S1_Y(0xc) |
2137 S2_X(0x1) | S2_Y(0x6) |
2138 S3_X(0xa) | S3_Y(0xe)));
2139 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
2140 S5_X(0x0) | S5_Y(0x0) |
2141 S6_X(0xb) | S6_Y(0x4) |
2142 S7_X(0x7) | S7_Y(0x8)));
2143
2144 WREG32(VGT_STRMOUT_EN, 0);
2145 tmp = rdev->config.r600.max_pipes * 16;
2146 switch (rdev->family) {
2147 case CHIP_RV610:
2148 case CHIP_RV620:
2149 case CHIP_RS780:
2150 case CHIP_RS880:
2151 tmp += 32;
2152 break;
2153 case CHIP_RV670:
2154 tmp += 128;
2155 break;
2156 default:
2157 break;
2158 }
2159 if (tmp > 256) {
2160 tmp = 256;
2161 }
2162 WREG32(VGT_ES_PER_GS, 128);
2163 WREG32(VGT_GS_PER_ES, tmp);
2164 WREG32(VGT_GS_PER_VS, 2);
2165 WREG32(VGT_GS_VERTEX_REUSE, 16);
2166
2167 /* more default values. 2D/3D driver should adjust as needed */
2168 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2169 WREG32(VGT_STRMOUT_EN, 0);
2170 WREG32(SX_MISC, 0);
2171 WREG32(PA_SC_MODE_CNTL, 0);
2172 WREG32(PA_SC_AA_CONFIG, 0);
2173 WREG32(PA_SC_LINE_STIPPLE, 0);
2174 WREG32(SPI_INPUT_Z, 0);
2175 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
2176 WREG32(CB_COLOR7_FRAG, 0);
2177
2178 /* Clear render buffer base addresses */
2179 WREG32(CB_COLOR0_BASE, 0);
2180 WREG32(CB_COLOR1_BASE, 0);
2181 WREG32(CB_COLOR2_BASE, 0);
2182 WREG32(CB_COLOR3_BASE, 0);
2183 WREG32(CB_COLOR4_BASE, 0);
2184 WREG32(CB_COLOR5_BASE, 0);
2185 WREG32(CB_COLOR6_BASE, 0);
2186 WREG32(CB_COLOR7_BASE, 0);
2187 WREG32(CB_COLOR7_FRAG, 0);
2188
2189 switch (rdev->family) {
2190 case CHIP_RV610:
2191 case CHIP_RV620:
2192 case CHIP_RS780:
2193 case CHIP_RS880:
2194 tmp = TC_L2_SIZE(8);
2195 break;
2196 case CHIP_RV630:
2197 case CHIP_RV635:
2198 tmp = TC_L2_SIZE(4);
2199 break;
2200 case CHIP_R600:
2201 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
2202 break;
2203 default:
2204 tmp = TC_L2_SIZE(0);
2205 break;
2206 }
2207 WREG32(TC_CNTL, tmp);
2208
2209 tmp = RREG32(HDP_HOST_PATH_CNTL);
2210 WREG32(HDP_HOST_PATH_CNTL, tmp);
2211
2212 tmp = RREG32(ARB_POP);
2213 tmp |= ENABLE_TC128;
2214 WREG32(ARB_POP, tmp);
2215
2216 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2217 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
2218 NUM_CLIP_SEQ(3)));
2219 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
2220 WREG32(VC_ENHANCE, 0);
2221 }
2222
2223
2224 /*
2225 * Indirect registers accessor
2226 */
2227 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
2228 {
2229 unsigned long flags;
2230 u32 r;
2231
2232 spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
2233 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2234 (void)RREG32(PCIE_PORT_INDEX);
2235 r = RREG32(PCIE_PORT_DATA);
2236 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
2237 return r;
2238 }
2239
2240 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2241 {
2242 unsigned long flags;
2243
2244 spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
2245 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2246 (void)RREG32(PCIE_PORT_INDEX);
2247 WREG32(PCIE_PORT_DATA, (v));
2248 (void)RREG32(PCIE_PORT_DATA);
2249 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
2250 }
2251
2252 /*
2253 * CP & Ring
2254 */
2255 void r600_cp_stop(struct radeon_device *rdev)
2256 {
2257 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2258 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2259 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
2260 WREG32(SCRATCH_UMSK, 0);
2261 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
2262 }
2263
2264 int r600_init_microcode(struct radeon_device *rdev)
2265 {
2266 const char *chip_name;
2267 const char *rlc_chip_name;
2268 const char *smc_chip_name = "RV770";
2269 size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0;
2270 char fw_name[30];
2271 int err;
2272
2273 DRM_DEBUG("\n");
2274
2275 switch (rdev->family) {
2276 case CHIP_R600:
2277 chip_name = "R600";
2278 rlc_chip_name = "R600";
2279 break;
2280 case CHIP_RV610:
2281 chip_name = "RV610";
2282 rlc_chip_name = "R600";
2283 break;
2284 case CHIP_RV630:
2285 chip_name = "RV630";
2286 rlc_chip_name = "R600";
2287 break;
2288 case CHIP_RV620:
2289 chip_name = "RV620";
2290 rlc_chip_name = "R600";
2291 break;
2292 case CHIP_RV635:
2293 chip_name = "RV635";
2294 rlc_chip_name = "R600";
2295 break;
2296 case CHIP_RV670:
2297 chip_name = "RV670";
2298 rlc_chip_name = "R600";
2299 break;
2300 case CHIP_RS780:
2301 case CHIP_RS880:
2302 chip_name = "RS780";
2303 rlc_chip_name = "R600";
2304 break;
2305 case CHIP_RV770:
2306 chip_name = "RV770";
2307 rlc_chip_name = "R700";
2308 smc_chip_name = "RV770";
2309 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4);
2310 break;
2311 case CHIP_RV730:
2312 chip_name = "RV730";
2313 rlc_chip_name = "R700";
2314 smc_chip_name = "RV730";
2315 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4);
2316 break;
2317 case CHIP_RV710:
2318 chip_name = "RV710";
2319 rlc_chip_name = "R700";
2320 smc_chip_name = "RV710";
2321 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4);
2322 break;
2323 case CHIP_RV740:
2324 chip_name = "RV730";
2325 rlc_chip_name = "R700";
2326 smc_chip_name = "RV740";
2327 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4);
2328 break;
2329 case CHIP_CEDAR:
2330 chip_name = "CEDAR";
2331 rlc_chip_name = "CEDAR";
2332 smc_chip_name = "CEDAR";
2333 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4);
2334 break;
2335 case CHIP_REDWOOD:
2336 chip_name = "REDWOOD";
2337 rlc_chip_name = "REDWOOD";
2338 smc_chip_name = "REDWOOD";
2339 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4);
2340 break;
2341 case CHIP_JUNIPER:
2342 chip_name = "JUNIPER";
2343 rlc_chip_name = "JUNIPER";
2344 smc_chip_name = "JUNIPER";
2345 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4);
2346 break;
2347 case CHIP_CYPRESS:
2348 case CHIP_HEMLOCK:
2349 chip_name = "CYPRESS";
2350 rlc_chip_name = "CYPRESS";
2351 smc_chip_name = "CYPRESS";
2352 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4);
2353 break;
2354 case CHIP_PALM:
2355 chip_name = "PALM";
2356 rlc_chip_name = "SUMO";
2357 break;
2358 case CHIP_SUMO:
2359 chip_name = "SUMO";
2360 rlc_chip_name = "SUMO";
2361 break;
2362 case CHIP_SUMO2:
2363 chip_name = "SUMO2";
2364 rlc_chip_name = "SUMO";
2365 break;
2366 default: BUG();
2367 }
2368
2369 if (rdev->family >= CHIP_CEDAR) {
2370 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2371 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2372 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2373 } else if (rdev->family >= CHIP_RV770) {
2374 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2375 me_req_size = R700_PM4_UCODE_SIZE * 4;
2376 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2377 } else {
2378 pfp_req_size = R600_PFP_UCODE_SIZE * 4;
2379 me_req_size = R600_PM4_UCODE_SIZE * 12;
2380 rlc_req_size = R600_RLC_UCODE_SIZE * 4;
2381 }
2382
2383 DRM_INFO("Loading %s Microcode\n", chip_name);
2384
2385 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2386 err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
2387 if (err)
2388 goto out;
2389 if (rdev->pfp_fw->size != pfp_req_size) {
2390 printk(KERN_ERR
2391 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2392 rdev->pfp_fw->size, fw_name);
2393 err = -EINVAL;
2394 goto out;
2395 }
2396
2397 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2398 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
2399 if (err)
2400 goto out;
2401 if (rdev->me_fw->size != me_req_size) {
2402 printk(KERN_ERR
2403 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2404 rdev->me_fw->size, fw_name);
2405 err = -EINVAL;
2406 }
2407
2408 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2409 err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
2410 if (err)
2411 goto out;
2412 if (rdev->rlc_fw->size != rlc_req_size) {
2413 printk(KERN_ERR
2414 "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2415 rdev->rlc_fw->size, fw_name);
2416 err = -EINVAL;
2417 }
2418
2419 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
2420 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
2421 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
2422 if (err) {
2423 printk(KERN_ERR
2424 "smc: error loading firmware \"%s\"\n",
2425 fw_name);
2426 release_firmware(rdev->smc_fw);
2427 rdev->smc_fw = NULL;
2428 err = 0;
2429 } else if (rdev->smc_fw->size != smc_req_size) {
2430 printk(KERN_ERR
2431 "smc: Bogus length %zu in firmware \"%s\"\n",
2432 rdev->smc_fw->size, fw_name);
2433 err = -EINVAL;
2434 }
2435 }
2436
2437 out:
2438 if (err) {
2439 if (err != -EINVAL)
2440 printk(KERN_ERR
2441 "r600_cp: Failed to load firmware \"%s\"\n",
2442 fw_name);
2443 release_firmware(rdev->pfp_fw);
2444 rdev->pfp_fw = NULL;
2445 release_firmware(rdev->me_fw);
2446 rdev->me_fw = NULL;
2447 release_firmware(rdev->rlc_fw);
2448 rdev->rlc_fw = NULL;
2449 release_firmware(rdev->smc_fw);
2450 rdev->smc_fw = NULL;
2451 }
2452 return err;
2453 }
2454
2455 u32 r600_gfx_get_rptr(struct radeon_device *rdev,
2456 struct radeon_ring *ring)
2457 {
2458 u32 rptr;
2459
2460 if (rdev->wb.enabled)
2461 rptr = rdev->wb.wb[ring->rptr_offs/4];
2462 else
2463 rptr = RREG32(R600_CP_RB_RPTR);
2464
2465 return rptr;
2466 }
2467
2468 u32 r600_gfx_get_wptr(struct radeon_device *rdev,
2469 struct radeon_ring *ring)
2470 {
2471 u32 wptr;
2472
2473 wptr = RREG32(R600_CP_RB_WPTR);
2474
2475 return wptr;
2476 }
2477
2478 void r600_gfx_set_wptr(struct radeon_device *rdev,
2479 struct radeon_ring *ring)
2480 {
2481 WREG32(R600_CP_RB_WPTR, ring->wptr);
2482 (void)RREG32(R600_CP_RB_WPTR);
2483 }
2484
2485 static int r600_cp_load_microcode(struct radeon_device *rdev)
2486 {
2487 const __be32 *fw_data;
2488 int i;
2489
2490 if (!rdev->me_fw || !rdev->pfp_fw)
2491 return -EINVAL;
2492
2493 r600_cp_stop(rdev);
2494
2495 WREG32(CP_RB_CNTL,
2496 #ifdef __BIG_ENDIAN
2497 BUF_SWAP_32BIT |
2498 #endif
2499 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2500
2501 /* Reset cp */
2502 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2503 RREG32(GRBM_SOFT_RESET);
2504 mdelay(15);
2505 WREG32(GRBM_SOFT_RESET, 0);
2506
2507 WREG32(CP_ME_RAM_WADDR, 0);
2508
2509 fw_data = (const __be32 *)rdev->me_fw->data;
2510 WREG32(CP_ME_RAM_WADDR, 0);
2511 for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++)
2512 WREG32(CP_ME_RAM_DATA,
2513 be32_to_cpup(fw_data++));
2514
2515 fw_data = (const __be32 *)rdev->pfp_fw->data;
2516 WREG32(CP_PFP_UCODE_ADDR, 0);
2517 for (i = 0; i < R600_PFP_UCODE_SIZE; i++)
2518 WREG32(CP_PFP_UCODE_DATA,
2519 be32_to_cpup(fw_data++));
2520
2521 WREG32(CP_PFP_UCODE_ADDR, 0);
2522 WREG32(CP_ME_RAM_WADDR, 0);
2523 WREG32(CP_ME_RAM_RADDR, 0);
2524 return 0;
2525 }
2526
2527 int r600_cp_start(struct radeon_device *rdev)
2528 {
2529 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2530 int r;
2531 uint32_t cp_me;
2532
2533 r = radeon_ring_lock(rdev, ring, 7);
2534 if (r) {
2535 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2536 return r;
2537 }
2538 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2539 radeon_ring_write(ring, 0x1);
2540 if (rdev->family >= CHIP_RV770) {
2541 radeon_ring_write(ring, 0x0);
2542 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
2543 } else {
2544 radeon_ring_write(ring, 0x3);
2545 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
2546 }
2547 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2548 radeon_ring_write(ring, 0);
2549 radeon_ring_write(ring, 0);
2550 radeon_ring_unlock_commit(rdev, ring);
2551
2552 cp_me = 0xff;
2553 WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2554 return 0;
2555 }
2556
2557 int r600_cp_resume(struct radeon_device *rdev)
2558 {
2559 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2560 u32 tmp;
2561 u32 rb_bufsz;
2562 int r;
2563
2564 /* Reset cp */
2565 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2566 RREG32(GRBM_SOFT_RESET);
2567 mdelay(15);
2568 WREG32(GRBM_SOFT_RESET, 0);
2569
2570 /* Set ring buffer size */
2571 rb_bufsz = order_base_2(ring->ring_size / 8);
2572 tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2573 #ifdef __BIG_ENDIAN
2574 tmp |= BUF_SWAP_32BIT;
2575 #endif
2576 WREG32(CP_RB_CNTL, tmp);
2577 WREG32(CP_SEM_WAIT_TIMER, 0x0);
2578
2579 /* Set the write pointer delay */
2580 WREG32(CP_RB_WPTR_DELAY, 0);
2581
2582 /* Initialize the ring buffer's read and write pointers */
2583 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2584 WREG32(CP_RB_RPTR_WR, 0);
2585 ring->wptr = 0;
2586 WREG32(CP_RB_WPTR, ring->wptr);
2587
2588 /* set the wb address whether it's enabled or not */
2589 WREG32(CP_RB_RPTR_ADDR,
2590 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2591 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2592 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2593
2594 if (rdev->wb.enabled)
2595 WREG32(SCRATCH_UMSK, 0xff);
2596 else {
2597 tmp |= RB_NO_UPDATE;
2598 WREG32(SCRATCH_UMSK, 0);
2599 }
2600
2601 mdelay(1);
2602 WREG32(CP_RB_CNTL, tmp);
2603
2604 WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
2605 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2606
2607 ring->rptr = RREG32(CP_RB_RPTR);
2608
2609 r600_cp_start(rdev);
2610 ring->ready = true;
2611 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
2612 if (r) {
2613 ring->ready = false;
2614 return r;
2615 }
2616
2617 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2618 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
2619
2620 return 0;
2621 }
2622
2623 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
2624 {
2625 u32 rb_bufsz;
2626 int r;
2627
2628 /* Align ring size */
2629 rb_bufsz = order_base_2(ring_size / 8);
2630 ring_size = (1 << (rb_bufsz + 1)) * 4;
2631 ring->ring_size = ring_size;
2632 ring->align_mask = 16 - 1;
2633
2634 if (radeon_ring_supports_scratch_reg(rdev, ring)) {
2635 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
2636 if (r) {
2637 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
2638 ring->rptr_save_reg = 0;
2639 }
2640 }
2641 }
2642
2643 void r600_cp_fini(struct radeon_device *rdev)
2644 {
2645 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2646 r600_cp_stop(rdev);
2647 radeon_ring_fini(rdev, ring);
2648 radeon_scratch_free(rdev, ring->rptr_save_reg);
2649 }
2650
2651 /*
2652 * GPU scratch registers helpers function.
2653 */
2654 void r600_scratch_init(struct radeon_device *rdev)
2655 {
2656 int i;
2657
2658 rdev->scratch.num_reg = 7;
2659 rdev->scratch.reg_base = SCRATCH_REG0;
2660 for (i = 0; i < rdev->scratch.num_reg; i++) {
2661 rdev->scratch.free[i] = true;
2662 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2663 }
2664 }
2665
2666 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2667 {
2668 uint32_t scratch;
2669 uint32_t tmp = 0;
2670 unsigned i;
2671 int r;
2672
2673 r = radeon_scratch_get(rdev, &scratch);
2674 if (r) {
2675 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2676 return r;
2677 }
2678 WREG32(scratch, 0xCAFEDEAD);
2679 r = radeon_ring_lock(rdev, ring, 3);
2680 if (r) {
2681 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
2682 radeon_scratch_free(rdev, scratch);
2683 return r;
2684 }
2685 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2686 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2687 radeon_ring_write(ring, 0xDEADBEEF);
2688 radeon_ring_unlock_commit(rdev, ring);
2689 for (i = 0; i < rdev->usec_timeout; i++) {
2690 tmp = RREG32(scratch);
2691 if (tmp == 0xDEADBEEF)
2692 break;
2693 DRM_UDELAY(1);
2694 }
2695 if (i < rdev->usec_timeout) {
2696 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2697 } else {
2698 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
2699 ring->idx, scratch, tmp);
2700 r = -EINVAL;
2701 }
2702 radeon_scratch_free(rdev, scratch);
2703 return r;
2704 }
2705
2706 /*
2707 * CP fences/semaphores
2708 */
2709
2710 void r600_fence_ring_emit(struct radeon_device *rdev,
2711 struct radeon_fence *fence)
2712 {
2713 struct radeon_ring *ring = &rdev->ring[fence->ring];
2714 u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA |
2715 PACKET3_SH_ACTION_ENA;
2716
2717 if (rdev->family >= CHIP_RV770)
2718 cp_coher_cntl |= PACKET3_FULL_CACHE_ENA;
2719
2720 if (rdev->wb.use_event) {
2721 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
2722 /* flush read cache over gart */
2723 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2724 radeon_ring_write(ring, cp_coher_cntl);
2725 radeon_ring_write(ring, 0xFFFFFFFF);
2726 radeon_ring_write(ring, 0);
2727 radeon_ring_write(ring, 10); /* poll interval */
2728 /* EVENT_WRITE_EOP - flush caches, send int */
2729 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2730 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2731 radeon_ring_write(ring, addr & 0xffffffff);
2732 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2733 radeon_ring_write(ring, fence->seq);
2734 radeon_ring_write(ring, 0);
2735 } else {
2736 /* flush read cache over gart */
2737 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2738 radeon_ring_write(ring, cp_coher_cntl);
2739 radeon_ring_write(ring, 0xFFFFFFFF);
2740 radeon_ring_write(ring, 0);
2741 radeon_ring_write(ring, 10); /* poll interval */
2742 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
2743 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2744 /* wait for 3D idle clean */
2745 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2746 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2747 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2748 /* Emit fence sequence & fire IRQ */
2749 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2750 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2751 radeon_ring_write(ring, fence->seq);
2752 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2753 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
2754 radeon_ring_write(ring, RB_INT_STAT);
2755 }
2756 }
2757
2758 bool r600_semaphore_ring_emit(struct radeon_device *rdev,
2759 struct radeon_ring *ring,
2760 struct radeon_semaphore *semaphore,
2761 bool emit_wait)
2762 {
2763 uint64_t addr = semaphore->gpu_addr;
2764 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
2765
2766 if (rdev->family < CHIP_CAYMAN)
2767 sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
2768
2769 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
2770 radeon_ring_write(ring, addr & 0xffffffff);
2771 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
2772
2773 return true;
2774 }
2775
2776 /**
2777 * r600_copy_cpdma - copy pages using the CP DMA engine
2778 *
2779 * @rdev: radeon_device pointer
2780 * @src_offset: src GPU address
2781 * @dst_offset: dst GPU address
2782 * @num_gpu_pages: number of GPU pages to xfer
2783 * @fence: radeon fence object
2784 *
2785 * Copy GPU paging using the CP DMA engine (r6xx+).
2786 * Used by the radeon ttm implementation to move pages if
2787 * registered as the asic copy callback.
2788 */
2789 int r600_copy_cpdma(struct radeon_device *rdev,
2790 uint64_t src_offset, uint64_t dst_offset,
2791 unsigned num_gpu_pages,
2792 struct radeon_fence **fence)
2793 {
2794 struct radeon_semaphore *sem = NULL;
2795 int ring_index = rdev->asic->copy.blit_ring_index;
2796 struct radeon_ring *ring = &rdev->ring[ring_index];
2797 u32 size_in_bytes, cur_size_in_bytes, tmp;
2798 int i, num_loops;
2799 int r = 0;
2800
2801 r = radeon_semaphore_create(rdev, &sem);
2802 if (r) {
2803 DRM_ERROR("radeon: moving bo (%d).\n", r);
2804 return r;
2805 }
2806
2807 size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
2808 num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff);
2809 r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24);
2810 if (r) {
2811 DRM_ERROR("radeon: moving bo (%d).\n", r);
2812 radeon_semaphore_free(rdev, &sem, NULL);
2813 return r;
2814 }
2815
2816 radeon_semaphore_sync_to(sem, *fence);
2817 radeon_semaphore_sync_rings(rdev, sem, ring->idx);
2818
2819 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2820 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2821 radeon_ring_write(ring, WAIT_3D_IDLE_bit);
2822 for (i = 0; i < num_loops; i++) {
2823 cur_size_in_bytes = size_in_bytes;
2824 if (cur_size_in_bytes > 0x1fffff)
2825 cur_size_in_bytes = 0x1fffff;
2826 size_in_bytes -= cur_size_in_bytes;
2827 tmp = upper_32_bits(src_offset) & 0xff;
2828 if (size_in_bytes == 0)
2829 tmp |= PACKET3_CP_DMA_CP_SYNC;
2830 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4));
2831 radeon_ring_write(ring, src_offset & 0xffffffff);
2832 radeon_ring_write(ring, tmp);
2833 radeon_ring_write(ring, dst_offset & 0xffffffff);
2834 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
2835 radeon_ring_write(ring, cur_size_in_bytes);
2836 src_offset += cur_size_in_bytes;
2837 dst_offset += cur_size_in_bytes;
2838 }
2839 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2840 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2841 radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit);
2842
2843 r = radeon_fence_emit(rdev, fence, ring->idx);
2844 if (r) {
2845 radeon_ring_unlock_undo(rdev, ring);
2846 return r;
2847 }
2848
2849 radeon_ring_unlock_commit(rdev, ring);
2850 radeon_semaphore_free(rdev, &sem, *fence);
2851
2852 return r;
2853 }
2854
2855 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
2856 uint32_t tiling_flags, uint32_t pitch,
2857 uint32_t offset, uint32_t obj_size)
2858 {
2859 /* FIXME: implement */
2860 return 0;
2861 }
2862
2863 void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
2864 {
2865 /* FIXME: implement */
2866 }
2867
2868 static int r600_startup(struct radeon_device *rdev)
2869 {
2870 struct radeon_ring *ring;
2871 int r;
2872
2873 /* enable pcie gen2 link */
2874 r600_pcie_gen2_enable(rdev);
2875
2876 /* scratch needs to be initialized before MC */
2877 r = r600_vram_scratch_init(rdev);
2878 if (r)
2879 return r;
2880
2881 r600_mc_program(rdev);
2882
2883 if (rdev->flags & RADEON_IS_AGP) {
2884 r600_agp_enable(rdev);
2885 } else {
2886 r = r600_pcie_gart_enable(rdev);
2887 if (r)
2888 return r;
2889 }
2890 r600_gpu_init(rdev);
2891
2892 /* allocate wb buffer */
2893 r = radeon_wb_init(rdev);
2894 if (r)
2895 return r;
2896
2897 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2898 if (r) {
2899 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2900 return r;
2901 }
2902
2903 /* Enable IRQ */
2904 if (!rdev->irq.installed) {
2905 r = radeon_irq_kms_init(rdev);
2906 if (r)
2907 return r;
2908 }
2909
2910 r = r600_irq_init(rdev);
2911 if (r) {
2912 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2913 radeon_irq_kms_fini(rdev);
2914 return r;
2915 }
2916 r600_irq_set(rdev);
2917
2918 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2919 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2920 RADEON_CP_PACKET2);
2921 if (r)
2922 return r;
2923
2924 r = r600_cp_load_microcode(rdev);
2925 if (r)
2926 return r;
2927 r = r600_cp_resume(rdev);
2928 if (r)
2929 return r;
2930
2931 r = radeon_ib_pool_init(rdev);
2932 if (r) {
2933 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2934 return r;
2935 }
2936
2937 r = r600_audio_init(rdev);
2938 if (r) {
2939 DRM_ERROR("radeon: audio init failed\n");
2940 return r;
2941 }
2942
2943 return 0;
2944 }
2945
2946 void r600_vga_set_state(struct radeon_device *rdev, bool state)
2947 {
2948 uint32_t temp;
2949
2950 temp = RREG32(CONFIG_CNTL);
2951 if (state == false) {
2952 temp &= ~(1<<0);
2953 temp |= (1<<1);
2954 } else {
2955 temp &= ~(1<<1);
2956 }
2957 WREG32(CONFIG_CNTL, temp);
2958 }
2959
2960 int r600_resume(struct radeon_device *rdev)
2961 {
2962 int r;
2963
2964 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
2965 * posting will perform necessary task to bring back GPU into good
2966 * shape.
2967 */
2968 /* post card */
2969 atom_asic_init(rdev->mode_info.atom_context);
2970
2971 radeon_pm_resume(rdev);
2972
2973 rdev->accel_working = true;
2974 r = r600_startup(rdev);
2975 if (r) {
2976 DRM_ERROR("r600 startup failed on resume\n");
2977 rdev->accel_working = false;
2978 return r;
2979 }
2980
2981 return r;
2982 }
2983
2984 int r600_suspend(struct radeon_device *rdev)
2985 {
2986 radeon_pm_suspend(rdev);
2987 r600_audio_fini(rdev);
2988 r600_cp_stop(rdev);
2989 r600_irq_suspend(rdev);
2990 radeon_wb_disable(rdev);
2991 r600_pcie_gart_disable(rdev);
2992
2993 return 0;
2994 }
2995
2996 /* Plan is to move initialization in that function and use
2997 * helper function so that radeon_device_init pretty much
2998 * do nothing more than calling asic specific function. This
2999 * should also allow to remove a bunch of callback function
3000 * like vram_info.
3001 */
3002 int r600_init(struct radeon_device *rdev)
3003 {
3004 int r;
3005
3006 if (r600_debugfs_mc_info_init(rdev)) {
3007 DRM_ERROR("Failed to register debugfs file for mc !\n");
3008 }
3009 /* Read BIOS */
3010 if (!radeon_get_bios(rdev)) {
3011 if (ASIC_IS_AVIVO(rdev))
3012 return -EINVAL;
3013 }
3014 /* Must be an ATOMBIOS */
3015 if (!rdev->is_atom_bios) {
3016 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3017 return -EINVAL;
3018 }
3019 r = radeon_atombios_init(rdev);
3020 if (r)
3021 return r;
3022 /* Post card if necessary */
3023 if (!radeon_card_posted(rdev)) {
3024 if (!rdev->bios) {
3025 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3026 return -EINVAL;
3027 }
3028 DRM_INFO("GPU not posted. posting now...\n");
3029 atom_asic_init(rdev->mode_info.atom_context);
3030 }
3031 /* Initialize scratch registers */
3032 r600_scratch_init(rdev);
3033 /* Initialize surface registers */
3034 radeon_surface_init(rdev);
3035 /* Initialize clocks */
3036 radeon_get_clock_info(rdev->ddev);
3037 /* Fence driver */
3038 r = radeon_fence_driver_init(rdev);
3039 if (r)
3040 return r;
3041 if (rdev->flags & RADEON_IS_AGP) {
3042 r = radeon_agp_init(rdev);
3043 if (r)
3044 radeon_agp_disable(rdev);
3045 }
3046 r = r600_mc_init(rdev);
3047 if (r)
3048 return r;
3049 /* Memory manager */
3050 r = radeon_bo_init(rdev);
3051 if (r)
3052 return r;
3053
3054 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3055 r = r600_init_microcode(rdev);
3056 if (r) {
3057 DRM_ERROR("Failed to load firmware!\n");
3058 return r;
3059 }
3060 }
3061
3062 /* Initialize power management */
3063 radeon_pm_init(rdev);
3064
3065 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3066 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3067
3068 rdev->ih.ring_obj = NULL;
3069 r600_ih_ring_init(rdev, 64 * 1024);
3070
3071 r = r600_pcie_gart_init(rdev);
3072 if (r)
3073 return r;
3074
3075 rdev->accel_working = true;
3076 r = r600_startup(rdev);
3077 if (r) {
3078 dev_err(rdev->dev, "disabling GPU acceleration\n");
3079 r600_cp_fini(rdev);
3080 r600_irq_fini(rdev);
3081 radeon_wb_fini(rdev);
3082 radeon_ib_pool_fini(rdev);
3083 radeon_irq_kms_fini(rdev);
3084 r600_pcie_gart_fini(rdev);
3085 rdev->accel_working = false;
3086 }
3087
3088 return 0;
3089 }
3090
3091 void r600_fini(struct radeon_device *rdev)
3092 {
3093 radeon_pm_fini(rdev);
3094 r600_audio_fini(rdev);
3095 r600_cp_fini(rdev);
3096 r600_irq_fini(rdev);
3097 radeon_wb_fini(rdev);
3098 radeon_ib_pool_fini(rdev);
3099 radeon_irq_kms_fini(rdev);
3100 r600_pcie_gart_fini(rdev);
3101 r600_vram_scratch_fini(rdev);
3102 radeon_agp_fini(rdev);
3103 radeon_gem_fini(rdev);
3104 radeon_fence_driver_fini(rdev);
3105 radeon_bo_fini(rdev);
3106 radeon_atombios_fini(rdev);
3107 kfree(rdev->bios);
3108 rdev->bios = NULL;
3109 }
3110
3111
3112 /*
3113 * CS stuff
3114 */
3115 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3116 {
3117 struct radeon_ring *ring = &rdev->ring[ib->ring];
3118 u32 next_rptr;
3119
3120 if (ring->rptr_save_reg) {
3121 next_rptr = ring->wptr + 3 + 4;
3122 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3123 radeon_ring_write(ring, ((ring->rptr_save_reg -
3124 PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
3125 radeon_ring_write(ring, next_rptr);
3126 } else if (rdev->wb.enabled) {
3127 next_rptr = ring->wptr + 5 + 4;
3128 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
3129 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3130 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
3131 radeon_ring_write(ring, next_rptr);
3132 radeon_ring_write(ring, 0);
3133 }
3134
3135 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
3136 radeon_ring_write(ring,
3137 #ifdef __BIG_ENDIAN
3138 (2 << 0) |
3139 #endif
3140 (ib->gpu_addr & 0xFFFFFFFC));
3141 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
3142 radeon_ring_write(ring, ib->length_dw);
3143 }
3144
3145 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3146 {
3147 struct radeon_ib ib;
3148 uint32_t scratch;
3149 uint32_t tmp = 0;
3150 unsigned i;
3151 int r;
3152
3153 r = radeon_scratch_get(rdev, &scratch);
3154 if (r) {
3155 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3156 return r;
3157 }
3158 WREG32(scratch, 0xCAFEDEAD);
3159 r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3160 if (r) {
3161 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3162 goto free_scratch;
3163 }
3164 ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
3165 ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3166 ib.ptr[2] = 0xDEADBEEF;
3167 ib.length_dw = 3;
3168 r = radeon_ib_schedule(rdev, &ib, NULL);
3169 if (r) {
3170 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3171 goto free_ib;
3172 }
3173 r = radeon_fence_wait(ib.fence, false);
3174 if (r) {
3175 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3176 goto free_ib;
3177 }
3178 for (i = 0; i < rdev->usec_timeout; i++) {
3179 tmp = RREG32(scratch);
3180 if (tmp == 0xDEADBEEF)
3181 break;
3182 DRM_UDELAY(1);
3183 }
3184 if (i < rdev->usec_timeout) {
3185 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3186 } else {
3187 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3188 scratch, tmp);
3189 r = -EINVAL;
3190 }
3191 free_ib:
3192 radeon_ib_free(rdev, &ib);
3193 free_scratch:
3194 radeon_scratch_free(rdev, scratch);
3195 return r;
3196 }
3197
3198 /*
3199 * Interrupts
3200 *
3201 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty
3202 * the same as the CP ring buffer, but in reverse. Rather than the CPU
3203 * writing to the ring and the GPU consuming, the GPU writes to the ring
3204 * and host consumes. As the host irq handler processes interrupts, it
3205 * increments the rptr. When the rptr catches up with the wptr, all the
3206 * current interrupts have been processed.
3207 */
3208
3209 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
3210 {
3211 u32 rb_bufsz;
3212
3213 /* Align ring size */
3214 rb_bufsz = order_base_2(ring_size / 4);
3215 ring_size = (1 << rb_bufsz) * 4;
3216 rdev->ih.ring_size = ring_size;
3217 rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
3218 rdev->ih.rptr = 0;
3219 }
3220
3221 int r600_ih_ring_alloc(struct radeon_device *rdev)
3222 {
3223 int r;
3224
3225 /* Allocate ring buffer */
3226 if (rdev->ih.ring_obj == NULL) {
3227 r = radeon_bo_create(rdev, rdev->ih.ring_size,
3228 PAGE_SIZE, true,
3229 RADEON_GEM_DOMAIN_GTT,
3230 NULL, &rdev->ih.ring_obj);
3231 if (r) {
3232 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
3233 return r;
3234 }
3235 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3236 if (unlikely(r != 0))
3237 return r;
3238 r = radeon_bo_pin(rdev->ih.ring_obj,
3239 RADEON_GEM_DOMAIN_GTT,
3240 &rdev->ih.gpu_addr);
3241 if (r) {
3242 radeon_bo_unreserve(rdev->ih.ring_obj);
3243 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
3244 return r;
3245 }
3246 r = radeon_bo_kmap(rdev->ih.ring_obj,
3247 (void **)&rdev->ih.ring);
3248 radeon_bo_unreserve(rdev->ih.ring_obj);
3249 if (r) {
3250 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
3251 return r;
3252 }
3253 }
3254 return 0;
3255 }
3256
3257 void r600_ih_ring_fini(struct radeon_device *rdev)
3258 {
3259 int r;
3260 if (rdev->ih.ring_obj) {
3261 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3262 if (likely(r == 0)) {
3263 radeon_bo_kunmap(rdev->ih.ring_obj);
3264 radeon_bo_unpin(rdev->ih.ring_obj);
3265 radeon_bo_unreserve(rdev->ih.ring_obj);
3266 }
3267 radeon_bo_unref(&rdev->ih.ring_obj);
3268 rdev->ih.ring = NULL;
3269 rdev->ih.ring_obj = NULL;
3270 }
3271 }
3272
3273 void r600_rlc_stop(struct radeon_device *rdev)
3274 {
3275
3276 if ((rdev->family >= CHIP_RV770) &&
3277 (rdev->family <= CHIP_RV740)) {
3278 /* r7xx asics need to soft reset RLC before halting */
3279 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
3280 RREG32(SRBM_SOFT_RESET);
3281 mdelay(15);
3282 WREG32(SRBM_SOFT_RESET, 0);
3283 RREG32(SRBM_SOFT_RESET);
3284 }
3285
3286 WREG32(RLC_CNTL, 0);
3287 }
3288
3289 static void r600_rlc_start(struct radeon_device *rdev)
3290 {
3291 WREG32(RLC_CNTL, RLC_ENABLE);
3292 }
3293
3294 static int r600_rlc_resume(struct radeon_device *rdev)
3295 {
3296 u32 i;
3297 const __be32 *fw_data;
3298
3299 if (!rdev->rlc_fw)
3300 return -EINVAL;
3301
3302 r600_rlc_stop(rdev);
3303
3304 WREG32(RLC_HB_CNTL, 0);
3305
3306 WREG32(RLC_HB_BASE, 0);
3307 WREG32(RLC_HB_RPTR, 0);
3308 WREG32(RLC_HB_WPTR, 0);
3309 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
3310 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
3311 WREG32(RLC_MC_CNTL, 0);
3312 WREG32(RLC_UCODE_CNTL, 0);
3313
3314 fw_data = (const __be32 *)rdev->rlc_fw->data;
3315 if (rdev->family >= CHIP_RV770) {
3316 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
3317 WREG32(RLC_UCODE_ADDR, i);
3318 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3319 }
3320 } else {
3321 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) {
3322 WREG32(RLC_UCODE_ADDR, i);
3323 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3324 }
3325 }
3326 WREG32(RLC_UCODE_ADDR, 0);
3327
3328 r600_rlc_start(rdev);
3329
3330 return 0;
3331 }
3332
3333 static void r600_enable_interrupts(struct radeon_device *rdev)
3334 {
3335 u32 ih_cntl = RREG32(IH_CNTL);
3336 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3337
3338 ih_cntl |= ENABLE_INTR;
3339 ih_rb_cntl |= IH_RB_ENABLE;
3340 WREG32(IH_CNTL, ih_cntl);
3341 WREG32(IH_RB_CNTL, ih_rb_cntl);
3342 rdev->ih.enabled = true;
3343 }
3344
3345 void r600_disable_interrupts(struct radeon_device *rdev)
3346 {
3347 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3348 u32 ih_cntl = RREG32(IH_CNTL);
3349
3350 ih_rb_cntl &= ~IH_RB_ENABLE;
3351 ih_cntl &= ~ENABLE_INTR;
3352 WREG32(IH_RB_CNTL, ih_rb_cntl);
3353 WREG32(IH_CNTL, ih_cntl);
3354 /* set rptr, wptr to 0 */
3355 WREG32(IH_RB_RPTR, 0);
3356 WREG32(IH_RB_WPTR, 0);
3357 rdev->ih.enabled = false;
3358 rdev->ih.rptr = 0;
3359 }
3360
3361 static void r600_disable_interrupt_state(struct radeon_device *rdev)
3362 {
3363 u32 tmp;
3364
3365 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
3366 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3367 WREG32(DMA_CNTL, tmp);
3368 WREG32(GRBM_INT_CNTL, 0);
3369 WREG32(DxMODE_INT_MASK, 0);
3370 WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
3371 WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
3372 if (ASIC_IS_DCE3(rdev)) {
3373 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
3374 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
3375 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3376 WREG32(DC_HPD1_INT_CONTROL, tmp);
3377 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3378 WREG32(DC_HPD2_INT_CONTROL, tmp);
3379 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3380 WREG32(DC_HPD3_INT_CONTROL, tmp);
3381 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3382 WREG32(DC_HPD4_INT_CONTROL, tmp);
3383 if (ASIC_IS_DCE32(rdev)) {
3384 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3385 WREG32(DC_HPD5_INT_CONTROL, tmp);
3386 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3387 WREG32(DC_HPD6_INT_CONTROL, tmp);
3388 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3389 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3390 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3391 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3392 } else {
3393 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3394 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3395 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3396 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3397 }
3398 } else {
3399 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
3400 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
3401 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3402 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3403 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3404 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3405 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3406 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3407 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3408 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3409 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3410 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3411 }
3412 }
3413
3414 int r600_irq_init(struct radeon_device *rdev)
3415 {
3416 int ret = 0;
3417 int rb_bufsz;
3418 u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
3419
3420 /* allocate ring */
3421 ret = r600_ih_ring_alloc(rdev);
3422 if (ret)
3423 return ret;
3424
3425 /* disable irqs */
3426 r600_disable_interrupts(rdev);
3427
3428 /* init rlc */
3429 if (rdev->family >= CHIP_CEDAR)
3430 ret = evergreen_rlc_resume(rdev);
3431 else
3432 ret = r600_rlc_resume(rdev);
3433 if (ret) {
3434 r600_ih_ring_fini(rdev);
3435 return ret;
3436 }
3437
3438 /* setup interrupt control */
3439 /* set dummy read address to ring address */
3440 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
3441 interrupt_cntl = RREG32(INTERRUPT_CNTL);
3442 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
3443 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
3444 */
3445 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
3446 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
3447 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
3448 WREG32(INTERRUPT_CNTL, interrupt_cntl);
3449
3450 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
3451 rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
3452
3453 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
3454 IH_WPTR_OVERFLOW_CLEAR |
3455 (rb_bufsz << 1));
3456
3457 if (rdev->wb.enabled)
3458 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
3459
3460 /* set the writeback address whether it's enabled or not */
3461 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
3462 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
3463
3464 WREG32(IH_RB_CNTL, ih_rb_cntl);
3465
3466 /* set rptr, wptr to 0 */
3467 WREG32(IH_RB_RPTR, 0);
3468 WREG32(IH_RB_WPTR, 0);
3469
3470 /* Default settings for IH_CNTL (disabled at first) */
3471 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
3472 /* RPTR_REARM only works if msi's are enabled */
3473 if (rdev->msi_enabled)
3474 ih_cntl |= RPTR_REARM;
3475 WREG32(IH_CNTL, ih_cntl);
3476
3477 /* force the active interrupt state to all disabled */
3478 if (rdev->family >= CHIP_CEDAR)
3479 evergreen_disable_interrupt_state(rdev);
3480 else
3481 r600_disable_interrupt_state(rdev);
3482
3483 /* at this point everything should be setup correctly to enable master */
3484 pci_set_master(rdev->pdev);
3485
3486 /* enable irqs */
3487 r600_enable_interrupts(rdev);
3488
3489 return ret;
3490 }
3491
3492 void r600_irq_suspend(struct radeon_device *rdev)
3493 {
3494 r600_irq_disable(rdev);
3495 r600_rlc_stop(rdev);
3496 }
3497
3498 void r600_irq_fini(struct radeon_device *rdev)
3499 {
3500 r600_irq_suspend(rdev);
3501 r600_ih_ring_fini(rdev);
3502 }
3503
3504 int r600_irq_set(struct radeon_device *rdev)
3505 {
3506 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3507 u32 mode_int = 0;
3508 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3509 u32 grbm_int_cntl = 0;
3510 u32 hdmi0, hdmi1;
3511 u32 d1grph = 0, d2grph = 0;
3512 u32 dma_cntl;
3513 u32 thermal_int = 0;
3514
3515 if (!rdev->irq.installed) {
3516 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3517 return -EINVAL;
3518 }
3519 /* don't enable anything if the ih is disabled */
3520 if (!rdev->ih.enabled) {
3521 r600_disable_interrupts(rdev);
3522 /* force the active interrupt state to all disabled */
3523 r600_disable_interrupt_state(rdev);
3524 return 0;
3525 }
3526
3527 if (ASIC_IS_DCE3(rdev)) {
3528 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3529 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3530 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3531 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3532 if (ASIC_IS_DCE32(rdev)) {
3533 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3534 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
3535 hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3536 hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3537 } else {
3538 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3539 hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3540 }
3541 } else {
3542 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3543 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3544 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3545 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3546 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3547 }
3548
3549 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3550
3551 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3552 thermal_int = RREG32(CG_THERMAL_INT) &
3553 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3554 } else if (rdev->family >= CHIP_RV770) {
3555 thermal_int = RREG32(RV770_CG_THERMAL_INT) &
3556 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3557 }
3558 if (rdev->irq.dpm_thermal) {
3559 DRM_DEBUG("dpm thermal\n");
3560 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
3561 }
3562
3563 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
3564 DRM_DEBUG("r600_irq_set: sw int\n");
3565 cp_int_cntl |= RB_INT_ENABLE;
3566 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3567 }
3568
3569 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
3570 DRM_DEBUG("r600_irq_set: sw int dma\n");
3571 dma_cntl |= TRAP_ENABLE;
3572 }
3573
3574 if (rdev->irq.crtc_vblank_int[0] ||
3575 atomic_read(&rdev->irq.pflip[0])) {
3576 DRM_DEBUG("r600_irq_set: vblank 0\n");
3577 mode_int |= D1MODE_VBLANK_INT_MASK;
3578 }
3579 if (rdev->irq.crtc_vblank_int[1] ||
3580 atomic_read(&rdev->irq.pflip[1])) {
3581 DRM_DEBUG("r600_irq_set: vblank 1\n");
3582 mode_int |= D2MODE_VBLANK_INT_MASK;
3583 }
3584 if (rdev->irq.hpd[0]) {
3585 DRM_DEBUG("r600_irq_set: hpd 1\n");
3586 hpd1 |= DC_HPDx_INT_EN;
3587 }
3588 if (rdev->irq.hpd[1]) {
3589 DRM_DEBUG("r600_irq_set: hpd 2\n");
3590 hpd2 |= DC_HPDx_INT_EN;
3591 }
3592 if (rdev->irq.hpd[2]) {
3593 DRM_DEBUG("r600_irq_set: hpd 3\n");
3594 hpd3 |= DC_HPDx_INT_EN;
3595 }
3596 if (rdev->irq.hpd[3]) {
3597 DRM_DEBUG("r600_irq_set: hpd 4\n");
3598 hpd4 |= DC_HPDx_INT_EN;
3599 }
3600 if (rdev->irq.hpd[4]) {
3601 DRM_DEBUG("r600_irq_set: hpd 5\n");
3602 hpd5 |= DC_HPDx_INT_EN;
3603 }
3604 if (rdev->irq.hpd[5]) {
3605 DRM_DEBUG("r600_irq_set: hpd 6\n");
3606 hpd6 |= DC_HPDx_INT_EN;
3607 }
3608 if (rdev->irq.afmt[0]) {
3609 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3610 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3611 }
3612 if (rdev->irq.afmt[1]) {
3613 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3614 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3615 }
3616
3617 WREG32(CP_INT_CNTL, cp_int_cntl);
3618 WREG32(DMA_CNTL, dma_cntl);
3619 WREG32(DxMODE_INT_MASK, mode_int);
3620 WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
3621 WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
3622 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3623 if (ASIC_IS_DCE3(rdev)) {
3624 WREG32(DC_HPD1_INT_CONTROL, hpd1);
3625 WREG32(DC_HPD2_INT_CONTROL, hpd2);
3626 WREG32(DC_HPD3_INT_CONTROL, hpd3);
3627 WREG32(DC_HPD4_INT_CONTROL, hpd4);
3628 if (ASIC_IS_DCE32(rdev)) {
3629 WREG32(DC_HPD5_INT_CONTROL, hpd5);
3630 WREG32(DC_HPD6_INT_CONTROL, hpd6);
3631 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
3632 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
3633 } else {
3634 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3635 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3636 }
3637 } else {
3638 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3639 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3640 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
3641 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3642 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3643 }
3644 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3645 WREG32(CG_THERMAL_INT, thermal_int);
3646 } else if (rdev->family >= CHIP_RV770) {
3647 WREG32(RV770_CG_THERMAL_INT, thermal_int);
3648 }
3649
3650 return 0;
3651 }
3652
3653 static void r600_irq_ack(struct radeon_device *rdev)
3654 {
3655 u32 tmp;
3656
3657 if (ASIC_IS_DCE3(rdev)) {
3658 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3659 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3660 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3661 if (ASIC_IS_DCE32(rdev)) {
3662 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
3663 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
3664 } else {
3665 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3666 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
3667 }
3668 } else {
3669 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3670 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3671 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3672 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3673 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
3674 }
3675 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3676 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3677
3678 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3679 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3680 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3681 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3682 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3683 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3684 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3685 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3686 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3687 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3688 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3689 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3690 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3691 if (ASIC_IS_DCE3(rdev)) {
3692 tmp = RREG32(DC_HPD1_INT_CONTROL);
3693 tmp |= DC_HPDx_INT_ACK;
3694 WREG32(DC_HPD1_INT_CONTROL, tmp);
3695 } else {
3696 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3697 tmp |= DC_HPDx_INT_ACK;
3698 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3699 }
3700 }
3701 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3702 if (ASIC_IS_DCE3(rdev)) {
3703 tmp = RREG32(DC_HPD2_INT_CONTROL);
3704 tmp |= DC_HPDx_INT_ACK;
3705 WREG32(DC_HPD2_INT_CONTROL, tmp);
3706 } else {
3707 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3708 tmp |= DC_HPDx_INT_ACK;
3709 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3710 }
3711 }
3712 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3713 if (ASIC_IS_DCE3(rdev)) {
3714 tmp = RREG32(DC_HPD3_INT_CONTROL);
3715 tmp |= DC_HPDx_INT_ACK;
3716 WREG32(DC_HPD3_INT_CONTROL, tmp);
3717 } else {
3718 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3719 tmp |= DC_HPDx_INT_ACK;
3720 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3721 }
3722 }
3723 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3724 tmp = RREG32(DC_HPD4_INT_CONTROL);
3725 tmp |= DC_HPDx_INT_ACK;
3726 WREG32(DC_HPD4_INT_CONTROL, tmp);
3727 }
3728 if (ASIC_IS_DCE32(rdev)) {
3729 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3730 tmp = RREG32(DC_HPD5_INT_CONTROL);
3731 tmp |= DC_HPDx_INT_ACK;
3732 WREG32(DC_HPD5_INT_CONTROL, tmp);
3733 }
3734 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3735 tmp = RREG32(DC_HPD5_INT_CONTROL);
3736 tmp |= DC_HPDx_INT_ACK;
3737 WREG32(DC_HPD6_INT_CONTROL, tmp);
3738 }
3739 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
3740 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
3741 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
3742 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3743 }
3744 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
3745 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
3746 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
3747 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3748 }
3749 } else {
3750 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
3751 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
3752 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3753 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3754 }
3755 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
3756 if (ASIC_IS_DCE3(rdev)) {
3757 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
3758 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3759 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3760 } else {
3761 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
3762 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3763 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3764 }
3765 }
3766 }
3767 }
3768
3769 void r600_irq_disable(struct radeon_device *rdev)
3770 {
3771 r600_disable_interrupts(rdev);
3772 /* Wait and acknowledge irq */
3773 mdelay(1);
3774 r600_irq_ack(rdev);
3775 r600_disable_interrupt_state(rdev);
3776 }
3777
3778 static u32 r600_get_ih_wptr(struct radeon_device *rdev)
3779 {
3780 u32 wptr, tmp;
3781
3782 if (rdev->wb.enabled)
3783 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
3784 else
3785 wptr = RREG32(IH_RB_WPTR);
3786
3787 if (wptr & RB_OVERFLOW) {
3788 /* When a ring buffer overflow happen start parsing interrupt
3789 * from the last not overwritten vector (wptr + 16). Hopefully
3790 * this should allow us to catchup.
3791 */
3792 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
3793 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
3794 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
3795 tmp = RREG32(IH_RB_CNTL);
3796 tmp |= IH_WPTR_OVERFLOW_CLEAR;
3797 WREG32(IH_RB_CNTL, tmp);
3798 }
3799 return (wptr & rdev->ih.ptr_mask);
3800 }
3801
3802 /* r600 IV Ring
3803 * Each IV ring entry is 128 bits:
3804 * [7:0] - interrupt source id
3805 * [31:8] - reserved
3806 * [59:32] - interrupt source data
3807 * [127:60] - reserved
3808 *
3809 * The basic interrupt vector entries
3810 * are decoded as follows:
3811 * src_id src_data description
3812 * 1 0 D1 Vblank
3813 * 1 1 D1 Vline
3814 * 5 0 D2 Vblank
3815 * 5 1 D2 Vline
3816 * 19 0 FP Hot plug detection A
3817 * 19 1 FP Hot plug detection B
3818 * 19 2 DAC A auto-detection
3819 * 19 3 DAC B auto-detection
3820 * 21 4 HDMI block A
3821 * 21 5 HDMI block B
3822 * 176 - CP_INT RB
3823 * 177 - CP_INT IB1
3824 * 178 - CP_INT IB2
3825 * 181 - EOP Interrupt
3826 * 233 - GUI Idle
3827 *
3828 * Note, these are based on r600 and may need to be
3829 * adjusted or added to on newer asics
3830 */
3831
3832 int r600_irq_process(struct radeon_device *rdev)
3833 {
3834 u32 wptr;
3835 u32 rptr;
3836 u32 src_id, src_data;
3837 u32 ring_index;
3838 bool queue_hotplug = false;
3839 bool queue_hdmi = false;
3840 bool queue_thermal = false;
3841
3842 if (!rdev->ih.enabled || rdev->shutdown)
3843 return IRQ_NONE;
3844
3845 /* No MSIs, need a dummy read to flush PCI DMAs */
3846 if (!rdev->msi_enabled)
3847 RREG32(IH_RB_WPTR);
3848
3849 wptr = r600_get_ih_wptr(rdev);
3850
3851 restart_ih:
3852 /* is somebody else already processing irqs? */
3853 if (atomic_xchg(&rdev->ih.lock, 1))
3854 return IRQ_NONE;
3855
3856 rptr = rdev->ih.rptr;
3857 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
3858
3859 /* Order reading of wptr vs. reading of IH ring data */
3860 rmb();
3861
3862 /* display interrupts */
3863 r600_irq_ack(rdev);
3864
3865 while (rptr != wptr) {
3866 /* wptr/rptr are in bytes! */
3867 ring_index = rptr / 4;
3868 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
3869 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
3870
3871 switch (src_id) {
3872 case 1: /* D1 vblank/vline */
3873 switch (src_data) {
3874 case 0: /* D1 vblank */
3875 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
3876 if (rdev->irq.crtc_vblank_int[0]) {
3877 drm_handle_vblank(rdev->ddev, 0);
3878 rdev->pm.vblank_sync = true;
3879 wake_up(&rdev->irq.vblank_queue);
3880 }
3881 if (atomic_read(&rdev->irq.pflip[0]))
3882 radeon_crtc_handle_flip(rdev, 0);
3883 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
3884 DRM_DEBUG("IH: D1 vblank\n");
3885 }
3886 break;
3887 case 1: /* D1 vline */
3888 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
3889 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
3890 DRM_DEBUG("IH: D1 vline\n");
3891 }
3892 break;
3893 default:
3894 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3895 break;
3896 }
3897 break;
3898 case 5: /* D2 vblank/vline */
3899 switch (src_data) {
3900 case 0: /* D2 vblank */
3901 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
3902 if (rdev->irq.crtc_vblank_int[1]) {
3903 drm_handle_vblank(rdev->ddev, 1);
3904 rdev->pm.vblank_sync = true;
3905 wake_up(&rdev->irq.vblank_queue);
3906 }
3907 if (atomic_read(&rdev->irq.pflip[1]))
3908 radeon_crtc_handle_flip(rdev, 1);
3909 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
3910 DRM_DEBUG("IH: D2 vblank\n");
3911 }
3912 break;
3913 case 1: /* D1 vline */
3914 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
3915 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
3916 DRM_DEBUG("IH: D2 vline\n");
3917 }
3918 break;
3919 default:
3920 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3921 break;
3922 }
3923 break;
3924 case 19: /* HPD/DAC hotplug */
3925 switch (src_data) {
3926 case 0:
3927 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3928 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
3929 queue_hotplug = true;
3930 DRM_DEBUG("IH: HPD1\n");
3931 }
3932 break;
3933 case 1:
3934 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3935 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
3936 queue_hotplug = true;
3937 DRM_DEBUG("IH: HPD2\n");
3938 }
3939 break;
3940 case 4:
3941 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3942 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
3943 queue_hotplug = true;
3944 DRM_DEBUG("IH: HPD3\n");
3945 }
3946 break;
3947 case 5:
3948 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3949 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
3950 queue_hotplug = true;
3951 DRM_DEBUG("IH: HPD4\n");
3952 }
3953 break;
3954 case 10:
3955 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3956 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
3957 queue_hotplug = true;
3958 DRM_DEBUG("IH: HPD5\n");
3959 }
3960 break;
3961 case 12:
3962 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3963 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
3964 queue_hotplug = true;
3965 DRM_DEBUG("IH: HPD6\n");
3966 }
3967 break;
3968 default:
3969 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3970 break;
3971 }
3972 break;
3973 case 21: /* hdmi */
3974 switch (src_data) {
3975 case 4:
3976 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
3977 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
3978 queue_hdmi = true;
3979 DRM_DEBUG("IH: HDMI0\n");
3980 }
3981 break;
3982 case 5:
3983 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
3984 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
3985 queue_hdmi = true;
3986 DRM_DEBUG("IH: HDMI1\n");
3987 }
3988 break;
3989 default:
3990 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
3991 break;
3992 }
3993 break;
3994 case 124: /* UVD */
3995 DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
3996 radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
3997 break;
3998 case 176: /* CP_INT in ring buffer */
3999 case 177: /* CP_INT in IB1 */
4000 case 178: /* CP_INT in IB2 */
4001 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4002 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4003 break;
4004 case 181: /* CP EOP event */
4005 DRM_DEBUG("IH: CP EOP\n");
4006 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4007 break;
4008 case 224: /* DMA trap event */
4009 DRM_DEBUG("IH: DMA trap\n");
4010 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4011 break;
4012 case 230: /* thermal low to high */
4013 DRM_DEBUG("IH: thermal low to high\n");
4014 rdev->pm.dpm.thermal.high_to_low = false;
4015 queue_thermal = true;
4016 break;
4017 case 231: /* thermal high to low */
4018 DRM_DEBUG("IH: thermal high to low\n");
4019 rdev->pm.dpm.thermal.high_to_low = true;
4020 queue_thermal = true;
4021 break;
4022 case 233: /* GUI IDLE */
4023 DRM_DEBUG("IH: GUI idle\n");
4024 break;
4025 default:
4026 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4027 break;
4028 }
4029
4030 /* wptr/rptr are in bytes! */
4031 rptr += 16;
4032 rptr &= rdev->ih.ptr_mask;
4033 }
4034 if (queue_hotplug)
4035 schedule_work(&rdev->hotplug_work);
4036 if (queue_hdmi)
4037 schedule_work(&rdev->audio_work);
4038 if (queue_thermal && rdev->pm.dpm_enabled)
4039 schedule_work(&rdev->pm.dpm.thermal.work);
4040 rdev->ih.rptr = rptr;
4041 WREG32(IH_RB_RPTR, rdev->ih.rptr);
4042 atomic_set(&rdev->ih.lock, 0);
4043
4044 /* make sure wptr hasn't changed while processing */
4045 wptr = r600_get_ih_wptr(rdev);
4046 if (wptr != rptr)
4047 goto restart_ih;
4048
4049 return IRQ_HANDLED;
4050 }
4051
4052 /*
4053 * Debugfs info
4054 */
4055 #if defined(CONFIG_DEBUG_FS)
4056
4057 static int r600_debugfs_mc_info(struct seq_file *m, void *data)
4058 {
4059 struct drm_info_node *node = (struct drm_info_node *) m->private;
4060 struct drm_device *dev = node->minor->dev;
4061 struct radeon_device *rdev = dev->dev_private;
4062
4063 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
4064 DREG32_SYS(m, rdev, VM_L2_STATUS);
4065 return 0;
4066 }
4067
4068 static struct drm_info_list r600_mc_info_list[] = {
4069 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
4070 };
4071 #endif
4072
4073 int r600_debugfs_mc_info_init(struct radeon_device *rdev)
4074 {
4075 #if defined(CONFIG_DEBUG_FS)
4076 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
4077 #else
4078 return 0;
4079 #endif
4080 }
4081
4082 /**
4083 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
4084 * rdev: radeon device structure
4085 * bo: buffer object struct which userspace is waiting for idle
4086 *
4087 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
4088 * through ring buffer, this leads to corruption in rendering, see
4089 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
4090 * directly perform HDP flush by writing register through MMIO.
4091 */
4092 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
4093 {
4094 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
4095 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
4096 * This seems to cause problems on some AGP cards. Just use the old
4097 * method for them.
4098 */
4099 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
4100 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
4101 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
4102 u32 tmp;
4103
4104 WREG32(HDP_DEBUG1, 0);
4105 tmp = readl((void __iomem *)ptr);
4106 } else
4107 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4108 }
4109
4110 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
4111 {
4112 u32 link_width_cntl, mask;
4113
4114 if (rdev->flags & RADEON_IS_IGP)
4115 return;
4116
4117 if (!(rdev->flags & RADEON_IS_PCIE))
4118 return;
4119
4120 /* x2 cards have a special sequence */
4121 if (ASIC_IS_X2(rdev))
4122 return;
4123
4124 radeon_gui_idle(rdev);
4125
4126 switch (lanes) {
4127 case 0:
4128 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
4129 break;
4130 case 1:
4131 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
4132 break;
4133 case 2:
4134 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
4135 break;
4136 case 4:
4137 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
4138 break;
4139 case 8:
4140 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
4141 break;
4142 case 12:
4143 /* not actually supported */
4144 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
4145 break;
4146 case 16:
4147 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
4148 break;
4149 default:
4150 DRM_ERROR("invalid pcie lane request: %d\n", lanes);
4151 return;
4152 }
4153
4154 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4155 link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
4156 link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
4157 link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
4158 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
4159
4160 WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4161 }
4162
4163 int r600_get_pcie_lanes(struct radeon_device *rdev)
4164 {
4165 u32 link_width_cntl;
4166
4167 if (rdev->flags & RADEON_IS_IGP)
4168 return 0;
4169
4170 if (!(rdev->flags & RADEON_IS_PCIE))
4171 return 0;
4172
4173 /* x2 cards have a special sequence */
4174 if (ASIC_IS_X2(rdev))
4175 return 0;
4176
4177 radeon_gui_idle(rdev);
4178
4179 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4180
4181 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
4182 case RADEON_PCIE_LC_LINK_WIDTH_X1:
4183 return 1;
4184 case RADEON_PCIE_LC_LINK_WIDTH_X2:
4185 return 2;
4186 case RADEON_PCIE_LC_LINK_WIDTH_X4:
4187 return 4;
4188 case RADEON_PCIE_LC_LINK_WIDTH_X8:
4189 return 8;
4190 case RADEON_PCIE_LC_LINK_WIDTH_X12:
4191 /* not actually supported */
4192 return 12;
4193 case RADEON_PCIE_LC_LINK_WIDTH_X0:
4194 case RADEON_PCIE_LC_LINK_WIDTH_X16:
4195 default:
4196 return 16;
4197 }
4198 }
4199
4200 static void r600_pcie_gen2_enable(struct radeon_device *rdev)
4201 {
4202 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
4203 u16 link_cntl2;
4204
4205 if (radeon_pcie_gen2 == 0)
4206 return;
4207
4208 if (rdev->flags & RADEON_IS_IGP)
4209 return;
4210
4211 if (!(rdev->flags & RADEON_IS_PCIE))
4212 return;
4213
4214 /* x2 cards have a special sequence */
4215 if (ASIC_IS_X2(rdev))
4216 return;
4217
4218 /* only RV6xx+ chips are supported */
4219 if (rdev->family <= CHIP_R600)
4220 return;
4221
4222 if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
4223 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
4224 return;
4225
4226 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4227 if (speed_cntl & LC_CURRENT_DATA_RATE) {
4228 DRM_INFO("PCIE gen 2 link speeds already enabled\n");
4229 return;
4230 }
4231
4232 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
4233
4234 /* 55 nm r6xx asics */
4235 if ((rdev->family == CHIP_RV670) ||
4236 (rdev->family == CHIP_RV620) ||
4237 (rdev->family == CHIP_RV635)) {
4238 /* advertise upconfig capability */
4239 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4240 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4241 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4242 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4243 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
4244 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
4245 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
4246 LC_RECONFIG_ARC_MISSING_ESCAPE);
4247 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
4248 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4249 } else {
4250 link_width_cntl |= LC_UPCONFIGURE_DIS;
4251 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4252 }
4253 }
4254
4255 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4256 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
4257 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
4258
4259 /* 55 nm r6xx asics */
4260 if ((rdev->family == CHIP_RV670) ||
4261 (rdev->family == CHIP_RV620) ||
4262 (rdev->family == CHIP_RV635)) {
4263 WREG32(MM_CFGREGS_CNTL, 0x8);
4264 link_cntl2 = RREG32(0x4088);
4265 WREG32(MM_CFGREGS_CNTL, 0);
4266 /* not supported yet */
4267 if (link_cntl2 & SELECTABLE_DEEMPHASIS)
4268 return;
4269 }
4270
4271 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
4272 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
4273 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
4274 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
4275 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
4276 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4277
4278 tmp = RREG32(0x541c);
4279 WREG32(0x541c, tmp | 0x8);
4280 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
4281 link_cntl2 = RREG16(0x4088);
4282 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
4283 link_cntl2 |= 0x2;
4284 WREG16(0x4088, link_cntl2);
4285 WREG32(MM_CFGREGS_CNTL, 0);
4286
4287 if ((rdev->family == CHIP_RV670) ||
4288 (rdev->family == CHIP_RV620) ||
4289 (rdev->family == CHIP_RV635)) {
4290 training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
4291 training_cntl &= ~LC_POINT_7_PLUS_EN;
4292 WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
4293 } else {
4294 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4295 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
4296 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4297 }
4298
4299 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4300 speed_cntl |= LC_GEN2_EN_STRAP;
4301 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4302
4303 } else {
4304 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4305 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
4306 if (1)
4307 link_width_cntl |= LC_UPCONFIGURE_DIS;
4308 else
4309 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4310 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4311 }
4312 }
4313
4314 /**
4315 * r600_get_gpu_clock_counter - return GPU clock counter snapshot
4316 *
4317 * @rdev: radeon_device pointer
4318 *
4319 * Fetches a GPU clock counter snapshot (R6xx-cayman).
4320 * Returns the 64 bit clock counter snapshot.
4321 */
4322 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
4323 {
4324 uint64_t clock;
4325
4326 mutex_lock(&rdev->gpu_clock_mutex);
4327 WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
4328 clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
4329 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
4330 mutex_unlock(&rdev->gpu_clock_mutex);
4331 return clock;
4332 }
Linux with added FPC-III support