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drm/radeon: record what is next valid wptr for each ring v4
[linux-2.6-block.git] / drivers / gpu / drm / radeon / r600.c
CommitLineData
771fe6b9
JG		 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 */
5a0e3ad6 28#include <linux/slab.h>
3ce0a23d
JG		 29#include <linux/seq_file.h>
30#include <linux/firmware.h>
31#include <linux/platform_device.h>
e0cd3608 32#include <linux/module.h>
771fe6b9 33#include "drmP.h"
3ce0a23d 34#include "radeon_drm.h"
771fe6b9 35#include "radeon.h"
e6990375 36#include "radeon_asic.h"
3ce0a23d 37#include "radeon_mode.h"
3ce0a23d 38#include "r600d.h"
3ce0a23d 39#include "atom.h"
d39c3b89 40#include "avivod.h"
771fe6b9 41
3ce0a23d
JG		 42#define PFP_UCODE_SIZE 576
43#define PM4_UCODE_SIZE 1792
d8f60cfc 44#define RLC_UCODE_SIZE 768
3ce0a23d
JG		 45#define R700_PFP_UCODE_SIZE 848
46#define R700_PM4_UCODE_SIZE 1360
d8f60cfc 47#define R700_RLC_UCODE_SIZE 1024
fe251e2f
AD		 48#define EVERGREEN_PFP_UCODE_SIZE 1120
49#define EVERGREEN_PM4_UCODE_SIZE 1376
45f9a39b 50#define EVERGREEN_RLC_UCODE_SIZE 768
12727809 51#define CAYMAN_RLC_UCODE_SIZE 1024
c420c745 52#define ARUBA_RLC_UCODE_SIZE 1536
3ce0a23d
JG		 53
54/* Firmware Names */
55MODULE_FIRMWARE("radeon/R600_pfp.bin");
56MODULE_FIRMWARE("radeon/R600_me.bin");
57MODULE_FIRMWARE("radeon/RV610_pfp.bin");
58MODULE_FIRMWARE("radeon/RV610_me.bin");
59MODULE_FIRMWARE("radeon/RV630_pfp.bin");
60MODULE_FIRMWARE("radeon/RV630_me.bin");
61MODULE_FIRMWARE("radeon/RV620_pfp.bin");
62MODULE_FIRMWARE("radeon/RV620_me.bin");
63MODULE_FIRMWARE("radeon/RV635_pfp.bin");
64MODULE_FIRMWARE("radeon/RV635_me.bin");
65MODULE_FIRMWARE("radeon/RV670_pfp.bin");
66MODULE_FIRMWARE("radeon/RV670_me.bin");
67MODULE_FIRMWARE("radeon/RS780_pfp.bin");
68MODULE_FIRMWARE("radeon/RS780_me.bin");
69MODULE_FIRMWARE("radeon/RV770_pfp.bin");
70MODULE_FIRMWARE("radeon/RV770_me.bin");
71MODULE_FIRMWARE("radeon/RV730_pfp.bin");
72MODULE_FIRMWARE("radeon/RV730_me.bin");
73MODULE_FIRMWARE("radeon/RV710_pfp.bin");
74MODULE_FIRMWARE("radeon/RV710_me.bin");
d8f60cfc
AD		 75MODULE_FIRMWARE("radeon/R600_rlc.bin");
76MODULE_FIRMWARE("radeon/R700_rlc.bin");
fe251e2f
AD		 77MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
78MODULE_FIRMWARE("radeon/CEDAR_me.bin");
45f9a39b 79MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
fe251e2f
AD		 80MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
81MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
45f9a39b 82MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
fe251e2f
AD		 83MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
84MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
45f9a39b 85MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
a7433742 86MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
fe251e2f 87MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
45f9a39b 88MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
439bd6cd
AD		 89MODULE_FIRMWARE("radeon/PALM_pfp.bin");
90MODULE_FIRMWARE("radeon/PALM_me.bin");
91MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
d5c5a72f
AD		 92MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
93MODULE_FIRMWARE("radeon/SUMO_me.bin");
94MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
95MODULE_FIRMWARE("radeon/SUMO2_me.bin");
3ce0a23d
JG		 96
97int r600_debugfs_mc_info_init(struct radeon_device *rdev);
771fe6b9 98
1a029b76 99/* r600,rv610,rv630,rv620,rv635,rv670 */
771fe6b9
JG		 100int r600_mc_wait_for_idle(struct radeon_device *rdev);
101void r600_gpu_init(struct radeon_device *rdev);
3ce0a23d 102void r600_fini(struct radeon_device *rdev);
45f9a39b 103void r600_irq_disable(struct radeon_device *rdev);
9e46a48d 104static void r600_pcie_gen2_enable(struct radeon_device *rdev);
771fe6b9 105
21a8122a 106/* get temperature in millidegrees */
20d391d7 107int rv6xx_get_temp(struct radeon_device *rdev)
21a8122a
AD		 108{
109 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
110 ASIC_T_SHIFT;
20d391d7 111 int actual_temp = temp & 0xff;
21a8122a 112
20d391d7
AD		 113 if (temp & 0x100)
114 actual_temp -= 256;
115
116 return actual_temp * 1000;
21a8122a
AD		 117}
118
ce8f5370 119void r600_pm_get_dynpm_state(struct radeon_device *rdev)
a48b9b4e
AD		 120{
121 int i;
122
ce8f5370
AD		 123 rdev->pm.dynpm_can_upclock = true;
124 rdev->pm.dynpm_can_downclock = true;
a48b9b4e
AD		 125
126 /* power state array is low to high, default is first */
127 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
128 int min_power_state_index = 0;
129
130 if (rdev->pm.num_power_states > 2)
131 min_power_state_index = 1;
132
ce8f5370
AD		 133 switch (rdev->pm.dynpm_planned_action) {
134 case DYNPM_ACTION_MINIMUM:
a48b9b4e
AD		 135 rdev->pm.requested_power_state_index = min_power_state_index;
136 rdev->pm.requested_clock_mode_index = 0;
ce8f5370 137 rdev->pm.dynpm_can_downclock = false;
a48b9b4e 138 break;
ce8f5370 139 case DYNPM_ACTION_DOWNCLOCK:
a48b9b4e
AD		 140 if (rdev->pm.current_power_state_index == min_power_state_index) {
141 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
ce8f5370 142 rdev->pm.dynpm_can_downclock = false;
a48b9b4e
AD		 143 } else {
144 if (rdev->pm.active_crtc_count > 1) {
145 for (i = 0; i < rdev->pm.num_power_states; i++) {
d7311171 146 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
a48b9b4e
AD		 147 continue;
148 else if (i >= rdev->pm.current_power_state_index) {
149 rdev->pm.requested_power_state_index =
150 rdev->pm.current_power_state_index;
151 break;
152 } else {
153 rdev->pm.requested_power_state_index = i;
154 break;
155 }
156 }
773c3fa3
AD		 157 } else {
158 if (rdev->pm.current_power_state_index == 0)
159 rdev->pm.requested_power_state_index =
160 rdev->pm.num_power_states - 1;
161 else
162 rdev->pm.requested_power_state_index =
163 rdev->pm.current_power_state_index - 1;
164 }
a48b9b4e
AD		 165 }
166 rdev->pm.requested_clock_mode_index = 0;
d7311171
AD		 167 /* don't use the power state if crtcs are active and no display flag is set */
168 if ((rdev->pm.active_crtc_count > 0) &&
169 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
170 clock_info[rdev->pm.requested_clock_mode_index].flags &
171 RADEON_PM_MODE_NO_DISPLAY)) {
172 rdev->pm.requested_power_state_index++;
173 }
a48b9b4e 174 break;
ce8f5370 175 case DYNPM_ACTION_UPCLOCK:
a48b9b4e
AD		 176 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
177 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
ce8f5370 178 rdev->pm.dynpm_can_upclock = false;
a48b9b4e
AD		 179 } else {
180 if (rdev->pm.active_crtc_count > 1) {
181 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
d7311171 182 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
a48b9b4e
AD		 183 continue;
184 else if (i <= rdev->pm.current_power_state_index) {
185 rdev->pm.requested_power_state_index =
186 rdev->pm.current_power_state_index;
187 break;
188 } else {
189 rdev->pm.requested_power_state_index = i;
190 break;
191 }
192 }
193 } else
194 rdev->pm.requested_power_state_index =
195 rdev->pm.current_power_state_index + 1;
196 }
197 rdev->pm.requested_clock_mode_index = 0;
198 break;
ce8f5370 199 case DYNPM_ACTION_DEFAULT:
58e21dff
AD		 200 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
201 rdev->pm.requested_clock_mode_index = 0;
ce8f5370 202 rdev->pm.dynpm_can_upclock = false;
58e21dff 203 break;
ce8f5370 204 case DYNPM_ACTION_NONE:
a48b9b4e
AD		 205 default:
206 DRM_ERROR("Requested mode for not defined action\n");
207 return;
208 }
209 } else {
210 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
211 /* for now just select the first power state and switch between clock modes */
212 /* power state array is low to high, default is first (0) */
213 if (rdev->pm.active_crtc_count > 1) {
214 rdev->pm.requested_power_state_index = -1;
215 /* start at 1 as we don't want the default mode */
216 for (i = 1; i < rdev->pm.num_power_states; i++) {
d7311171 217 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
a48b9b4e
AD		 218 continue;
219 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
220 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
221 rdev->pm.requested_power_state_index = i;
222 break;
223 }
224 }
225 /* if nothing selected, grab the default state. */
226 if (rdev->pm.requested_power_state_index == -1)
227 rdev->pm.requested_power_state_index = 0;
228 } else
229 rdev->pm.requested_power_state_index = 1;
230
ce8f5370
AD		 231 switch (rdev->pm.dynpm_planned_action) {
232 case DYNPM_ACTION_MINIMUM:
a48b9b4e 233 rdev->pm.requested_clock_mode_index = 0;
ce8f5370 234 rdev->pm.dynpm_can_downclock = false;
a48b9b4e 235 break;
ce8f5370 236 case DYNPM_ACTION_DOWNCLOCK:
a48b9b4e
AD		 237 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
238 if (rdev->pm.current_clock_mode_index == 0) {
239 rdev->pm.requested_clock_mode_index = 0;
ce8f5370 240 rdev->pm.dynpm_can_downclock = false;
a48b9b4e
AD		 241 } else
242 rdev->pm.requested_clock_mode_index =
243 rdev->pm.current_clock_mode_index - 1;
244 } else {
245 rdev->pm.requested_clock_mode_index = 0;
ce8f5370 246 rdev->pm.dynpm_can_downclock = false;
a48b9b4e 247 }
d7311171
AD		 248 /* don't use the power state if crtcs are active and no display flag is set */
249 if ((rdev->pm.active_crtc_count > 0) &&
250 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
251 clock_info[rdev->pm.requested_clock_mode_index].flags &
252 RADEON_PM_MODE_NO_DISPLAY)) {
253 rdev->pm.requested_clock_mode_index++;
254 }
a48b9b4e 255 break;
ce8f5370 256 case DYNPM_ACTION_UPCLOCK:
a48b9b4e
AD		 257 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
258 if (rdev->pm.current_clock_mode_index ==
259 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
260 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
ce8f5370 261 rdev->pm.dynpm_can_upclock = false;
a48b9b4e
AD		 262 } else
263 rdev->pm.requested_clock_mode_index =
264 rdev->pm.current_clock_mode_index + 1;
265 } else {
266 rdev->pm.requested_clock_mode_index =
267 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
ce8f5370 268 rdev->pm.dynpm_can_upclock = false;
a48b9b4e
AD		 269 }
270 break;
ce8f5370 271 case DYNPM_ACTION_DEFAULT:
58e21dff
AD		 272 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
273 rdev->pm.requested_clock_mode_index = 0;
ce8f5370 274 rdev->pm.dynpm_can_upclock = false;
58e21dff 275 break;
ce8f5370 276 case DYNPM_ACTION_NONE:
a48b9b4e
AD		 277 default:
278 DRM_ERROR("Requested mode for not defined action\n");
279 return;
280 }
281 }
282
d9fdaafb 283 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
ce8a3eb2
AD		 284 rdev->pm.power_state[rdev->pm.requested_power_state_index].
285 clock_info[rdev->pm.requested_clock_mode_index].sclk,
286 rdev->pm.power_state[rdev->pm.requested_power_state_index].
287 clock_info[rdev->pm.requested_clock_mode_index].mclk,
288 rdev->pm.power_state[rdev->pm.requested_power_state_index].
289 pcie_lanes);
a48b9b4e
AD		 290}
291
ce8f5370
AD		 292void rs780_pm_init_profile(struct radeon_device *rdev)
293{
294 if (rdev->pm.num_power_states == 2) {
295 /* default */
296 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
297 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
298 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
299 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
300 /* low sh */
301 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
302 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
303 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
304 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
c9e75b21
AD		 305 /* mid sh */
306 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
307 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
308 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
309 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 310 /* high sh */
311 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
312 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
313 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
314 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
315 /* low mh */
316 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
317 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
318 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
319 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
c9e75b21
AD		 320 /* mid mh */
321 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
322 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
323 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
324 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 325 /* high mh */
326 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
327 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
328 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
329 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
330 } else if (rdev->pm.num_power_states == 3) {
331 /* default */
332 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
333 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
334 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
335 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
336 /* low sh */
337 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
338 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
339 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
340 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
c9e75b21
AD		 341 /* mid sh */
342 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
343 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
344 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
345 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 346 /* high sh */
347 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
348 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
349 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
350 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
351 /* low mh */
352 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
353 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
354 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
355 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
c9e75b21
AD		 356 /* mid mh */
357 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
358 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
359 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
360 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 361 /* high mh */
362 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
363 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
364 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
365 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
366 } else {
367 /* default */
368 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
369 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
370 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
371 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
372 /* low sh */
373 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
374 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
375 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
376 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
c9e75b21
AD		 377 /* mid sh */
378 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
379 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
380 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
381 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 382 /* high sh */
383 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
384 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
385 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
386 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
387 /* low mh */
388 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
389 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
390 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
391 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
c9e75b21
AD		 392 /* mid mh */
393 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
394 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
395 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
396 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 397 /* high mh */
398 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
399 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
400 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
401 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
402 }
403}
bae6b562 404
ce8f5370
AD		 405void r600_pm_init_profile(struct radeon_device *rdev)
406{
bbe26ffe
AD		 407 int idx;
408
ce8f5370
AD		 409 if (rdev->family == CHIP_R600) {
410 /* XXX */
411 /* default */
412 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
413 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
414 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
4bff5171 415 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 416 /* low sh */
417 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
418 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
419 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
4bff5171 420 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
c9e75b21
AD		 421 /* mid sh */
422 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
423 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
424 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
425 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 426 /* high sh */
427 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
428 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
429 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
4bff5171 430 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 431 /* low mh */
432 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
433 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
434 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
4bff5171 435 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
c9e75b21
AD		 436 /* mid mh */
437 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
438 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
439 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
440 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 441 /* high mh */
442 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
443 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
444 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
4bff5171 445 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
ce8f5370
AD		 446 } else {
447 if (rdev->pm.num_power_states < 4) {
448 /* default */
449 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
450 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
451 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
452 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
453 /* low sh */
4bff5171
AD		 454 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
455 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
ce8f5370 456 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
c9e75b21
AD		 457 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
458 /* mid sh */
459 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
460 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
461 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
462 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
ce8f5370 463 /* high sh */
4bff5171
AD		 464 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
465 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
ce8f5370
AD		 466 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
467 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
468 /* low mh */
4bff5171
AD		 469 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
470 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
ce8f5370 471 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
c9e75b21
AD		 472 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
473 /* low mh */
474 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
475 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
476 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
477 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
ce8f5370 478 /* high mh */
4bff5171
AD		 479 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
480 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
ce8f5370
AD		 481 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
482 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
483 } else {
484 /* default */
485 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
486 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
487 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
488 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
489 /* low sh */
bbe26ffe
AD		 490 if (rdev->flags & RADEON_IS_MOBILITY)
491 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
492 else
493 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
494 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
495 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
496 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
497 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
c9e75b21 498 /* mid sh */
bbe26ffe
AD		 499 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
500 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
501 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
502 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
ce8f5370 503 /* high sh */
bbe26ffe
AD		 504 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
505 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
506 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
ce8f5370
AD		 507 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
508 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
509 /* low mh */
bbe26ffe
AD		 510 if (rdev->flags & RADEON_IS_MOBILITY)
511 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
512 else
513 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
514 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
515 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
516 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
517 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
c9e75b21 518 /* mid mh */
bbe26ffe
AD		 519 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
520 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
521 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
522 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
ce8f5370 523 /* high mh */
bbe26ffe
AD		 524 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
525 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
526 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
ce8f5370
AD		 527 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
528 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
529 }
530 }
bae6b562
AD		 531}
532
49e02b73
AD		 533void r600_pm_misc(struct radeon_device *rdev)
534{
a081a9d6
RM		 535 int req_ps_idx = rdev->pm.requested_power_state_index;
536 int req_cm_idx = rdev->pm.requested_clock_mode_index;
537 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
538 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
7ac9aa5a 539
4d60173f 540 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
a377e187
AD		 541 /* 0xff01 is a flag rather then an actual voltage */
542 if (voltage->voltage == 0xff01)
543 return;
4d60173f 544 if (voltage->voltage != rdev->pm.current_vddc) {
8a83ec5e 545 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
4d60173f 546 rdev->pm.current_vddc = voltage->voltage;
d9fdaafb 547 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
4d60173f
AD		 548 }
549 }
49e02b73
AD		 550}
551
def9ba9c
AD		 552bool r600_gui_idle(struct radeon_device *rdev)
553{
554 if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
555 return false;
556 else
557 return true;
558}
559
e0df1ac5
AD		 560/* hpd for digital panel detect/disconnect */
561bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
562{
563 bool connected = false;
564
565 if (ASIC_IS_DCE3(rdev)) {
566 switch (hpd) {
567 case RADEON_HPD_1:
568 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
569 connected = true;
570 break;
571 case RADEON_HPD_2:
572 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
573 connected = true;
574 break;
575 case RADEON_HPD_3:
576 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
577 connected = true;
578 break;
579 case RADEON_HPD_4:
580 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
581 connected = true;
582 break;
583 /* DCE 3.2 */
584 case RADEON_HPD_5:
585 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
586 connected = true;
587 break;
588 case RADEON_HPD_6:
589 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
590 connected = true;
591 break;
592 default:
593 break;
594 }
595 } else {
596 switch (hpd) {
597 case RADEON_HPD_1:
598 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
599 connected = true;
600 break;
601 case RADEON_HPD_2:
602 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
603 connected = true;
604 break;
605 case RADEON_HPD_3:
606 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
607 connected = true;
608 break;
609 default:
610 break;
611 }
612 }
613 return connected;
614}
615
616void r600_hpd_set_polarity(struct radeon_device *rdev,
429770b3 617 enum radeon_hpd_id hpd)
e0df1ac5
AD		 618{
619 u32 tmp;
620 bool connected = r600_hpd_sense(rdev, hpd);
621
622 if (ASIC_IS_DCE3(rdev)) {
623 switch (hpd) {
624 case RADEON_HPD_1:
625 tmp = RREG32(DC_HPD1_INT_CONTROL);
626 if (connected)
627 tmp &= ~DC_HPDx_INT_POLARITY;
628 else
629 tmp |= DC_HPDx_INT_POLARITY;
630 WREG32(DC_HPD1_INT_CONTROL, tmp);
631 break;
632 case RADEON_HPD_2:
633 tmp = RREG32(DC_HPD2_INT_CONTROL);
634 if (connected)
635 tmp &= ~DC_HPDx_INT_POLARITY;
636 else
637 tmp |= DC_HPDx_INT_POLARITY;
638 WREG32(DC_HPD2_INT_CONTROL, tmp);
639 break;
640 case RADEON_HPD_3:
641 tmp = RREG32(DC_HPD3_INT_CONTROL);
642 if (connected)
643 tmp &= ~DC_HPDx_INT_POLARITY;
644 else
645 tmp |= DC_HPDx_INT_POLARITY;
646 WREG32(DC_HPD3_INT_CONTROL, tmp);
647 break;
648 case RADEON_HPD_4:
649 tmp = RREG32(DC_HPD4_INT_CONTROL);
650 if (connected)
651 tmp &= ~DC_HPDx_INT_POLARITY;
652 else
653 tmp |= DC_HPDx_INT_POLARITY;
654 WREG32(DC_HPD4_INT_CONTROL, tmp);
655 break;
656 case RADEON_HPD_5:
657 tmp = RREG32(DC_HPD5_INT_CONTROL);
658 if (connected)
659 tmp &= ~DC_HPDx_INT_POLARITY;
660 else
661 tmp |= DC_HPDx_INT_POLARITY;
662 WREG32(DC_HPD5_INT_CONTROL, tmp);
663 break;
664 /* DCE 3.2 */
665 case RADEON_HPD_6:
666 tmp = RREG32(DC_HPD6_INT_CONTROL);
667 if (connected)
668 tmp &= ~DC_HPDx_INT_POLARITY;
669 else
670 tmp |= DC_HPDx_INT_POLARITY;
671 WREG32(DC_HPD6_INT_CONTROL, tmp);
672 break;
673 default:
674 break;
675 }
676 } else {
677 switch (hpd) {
678 case RADEON_HPD_1:
679 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
680 if (connected)
681 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
682 else
683 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
684 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
685 break;
686 case RADEON_HPD_2:
687 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
688 if (connected)
689 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
690 else
691 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
692 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
693 break;
694 case RADEON_HPD_3:
695 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
696 if (connected)
697 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
698 else
699 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
700 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
701 break;
702 default:
703 break;
704 }
705 }
706}
707
708void r600_hpd_init(struct radeon_device *rdev)
709{
710 struct drm_device *dev = rdev->ddev;
711 struct drm_connector *connector;
fb98257a 712 unsigned enable = 0;
e0df1ac5 713
64912e99
AD		 714 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
715 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
716
455c89b9
JG		 717 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
718 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
719 /* don't try to enable hpd on eDP or LVDS avoid breaking the
720 * aux dp channel on imac and help (but not completely fix)
721 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
722 */
723 continue;
724 }
64912e99
AD		 725 if (ASIC_IS_DCE3(rdev)) {
726 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
727 if (ASIC_IS_DCE32(rdev))
728 tmp |= DC_HPDx_EN;
e0df1ac5 729
e0df1ac5
AD		 730 switch (radeon_connector->hpd.hpd) {
731 case RADEON_HPD_1:
732 WREG32(DC_HPD1_CONTROL, tmp);
e0df1ac5
AD		 733 break;
734 case RADEON_HPD_2:
735 WREG32(DC_HPD2_CONTROL, tmp);
e0df1ac5
AD		 736 break;
737 case RADEON_HPD_3:
738 WREG32(DC_HPD3_CONTROL, tmp);
e0df1ac5
AD		 739 break;
740 case RADEON_HPD_4:
741 WREG32(DC_HPD4_CONTROL, tmp);
e0df1ac5
AD		 742 break;
743 /* DCE 3.2 */
744 case RADEON_HPD_5:
745 WREG32(DC_HPD5_CONTROL, tmp);
e0df1ac5
AD		 746 break;
747 case RADEON_HPD_6:
748 WREG32(DC_HPD6_CONTROL, tmp);
e0df1ac5
AD		 749 break;
750 default:
751 break;
752 }
64912e99 753 } else {
e0df1ac5
AD		 754 switch (radeon_connector->hpd.hpd) {
755 case RADEON_HPD_1:
756 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
e0df1ac5
AD		 757 break;
758 case RADEON_HPD_2:
759 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
e0df1ac5
AD		 760 break;
761 case RADEON_HPD_3:
762 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
e0df1ac5
AD		 763 break;
764 default:
765 break;
766 }
767 }
fb98257a 768 enable |= 1 << radeon_connector->hpd.hpd;
64912e99 769 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
e0df1ac5 770 }
fb98257a 771 radeon_irq_kms_enable_hpd(rdev, enable);
e0df1ac5
AD		 772}
773
774void r600_hpd_fini(struct radeon_device *rdev)
775{
776 struct drm_device *dev = rdev->ddev;
777 struct drm_connector *connector;
fb98257a 778 unsigned disable = 0;
e0df1ac5 779
fb98257a
CK		 780 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
781 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
782 if (ASIC_IS_DCE3(rdev)) {
e0df1ac5
AD		 783 switch (radeon_connector->hpd.hpd) {
784 case RADEON_HPD_1:
785 WREG32(DC_HPD1_CONTROL, 0);
e0df1ac5
AD		 786 break;
787 case RADEON_HPD_2:
788 WREG32(DC_HPD2_CONTROL, 0);
e0df1ac5
AD		 789 break;
790 case RADEON_HPD_3:
791 WREG32(DC_HPD3_CONTROL, 0);
e0df1ac5
AD		 792 break;
793 case RADEON_HPD_4:
794 WREG32(DC_HPD4_CONTROL, 0);
e0df1ac5
AD		 795 break;
796 /* DCE 3.2 */
797 case RADEON_HPD_5:
798 WREG32(DC_HPD5_CONTROL, 0);
e0df1ac5
AD		 799 break;
800 case RADEON_HPD_6:
801 WREG32(DC_HPD6_CONTROL, 0);
e0df1ac5
AD		 802 break;
803 default:
804 break;
805 }
fb98257a 806 } else {
e0df1ac5
AD		 807 switch (radeon_connector->hpd.hpd) {
808 case RADEON_HPD_1:
809 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
e0df1ac5
AD		 810 break;
811 case RADEON_HPD_2:
812 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
e0df1ac5
AD		 813 break;
814 case RADEON_HPD_3:
815 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
e0df1ac5
AD		 816 break;
817 default:
818 break;
819 }
820 }
fb98257a 821 disable |= 1 << radeon_connector->hpd.hpd;
e0df1ac5 822 }
fb98257a 823 radeon_irq_kms_disable_hpd(rdev, disable);
e0df1ac5
AD		 824}
825
771fe6b9 826/*
3ce0a23d 827 * R600 PCIE GART
771fe6b9 828 */
3ce0a23d
JG		 829void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
830{
831 unsigned i;
832 u32 tmp;
833
2e98f10a 834 /* flush hdp cache so updates hit vram */
f3886f85
AD		 835 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
836 !(rdev->flags & RADEON_IS_AGP)) {
c9a1be96 837 void __iomem *ptr = (void *)rdev->gart.ptr;
812d0469
AD		 838 u32 tmp;
839
840 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
841 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
f3886f85
AD		 842 * This seems to cause problems on some AGP cards. Just use the old
843 * method for them.
812d0469
AD		 844 */
845 WREG32(HDP_DEBUG1, 0);
846 tmp = readl((void __iomem *)ptr);
847 } else
848 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
2e98f10a 849
3ce0a23d
JG		 850 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
851 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
852 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
853 for (i = 0; i < rdev->usec_timeout; i++) {
854 /* read MC_STATUS */
855 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
856 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
857 if (tmp == 2) {
858 printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
859 return;
860 }
861 if (tmp) {
862 return;
863 }
864 udelay(1);
865 }
866}
867
4aac0473 868int r600_pcie_gart_init(struct radeon_device *rdev)
3ce0a23d 869{
4aac0473 870 int r;
3ce0a23d 871
c9a1be96 872 if (rdev->gart.robj) {
fce7d61b 873 WARN(1, "R600 PCIE GART already initialized\n");
4aac0473
JG		 874 return 0;
875 }
3ce0a23d
JG		 876 /* Initialize common gart structure */
877 r = radeon_gart_init(rdev);
4aac0473 878 if (r)
3ce0a23d 879 return r;
3ce0a23d 880 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
4aac0473
JG		 881 return radeon_gart_table_vram_alloc(rdev);
882}
883
884int r600_pcie_gart_enable(struct radeon_device *rdev)
885{
886 u32 tmp;
887 int r, i;
888
c9a1be96 889 if (rdev->gart.robj == NULL) {
4aac0473
JG		 890 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
891 return -EINVAL;
771fe6b9 892 }
4aac0473
JG		 893 r = radeon_gart_table_vram_pin(rdev);
894 if (r)
895 return r;
82568565 896 radeon_gart_restore(rdev);
bc1a631e 897
3ce0a23d
JG		 898 /* Setup L2 cache */
899 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
900 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
901 EFFECTIVE_L2_QUEUE_SIZE(7));
902 WREG32(VM_L2_CNTL2, 0);
903 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
904 /* Setup TLB control */
905 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
906 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
907 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
908 ENABLE_WAIT_L2_QUERY;
909 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
910 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
911 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
912 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
913 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
914 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
915 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
916 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
917 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
918 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
919 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
920 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
921 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
922 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
923 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1a029b76 924 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
3ce0a23d
JG		 925 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
926 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
927 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
928 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
929 (u32)(rdev->dummy_page.addr >> 12));
930 for (i = 1; i < 7; i++)
931 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
771fe6b9 932
3ce0a23d 933 r600_pcie_gart_tlb_flush(rdev);
fcf4de5a
TV		 934 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
935 (unsigned)(rdev->mc.gtt_size >> 20),
936 (unsigned long long)rdev->gart.table_addr);
3ce0a23d 937 rdev->gart.ready = true;
771fe6b9
JG		 938 return 0;
939}
940
3ce0a23d 941void r600_pcie_gart_disable(struct radeon_device *rdev)
771fe6b9 942{
3ce0a23d 943 u32 tmp;
c9a1be96 944 int i;
771fe6b9 945
3ce0a23d
JG		 946 /* Disable all tables */
947 for (i = 0; i < 7; i++)
948 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
771fe6b9 949
3ce0a23d
JG		 950 /* Disable L2 cache */
951 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
952 EFFECTIVE_L2_QUEUE_SIZE(7));
953 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
954 /* Setup L1 TLB control */
955 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
956 ENABLE_WAIT_L2_QUERY;
957 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
958 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
959 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
960 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
961 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
962 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
963 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
964 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
965 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
966 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
967 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
968 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
969 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
970 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
c9a1be96 971 radeon_gart_table_vram_unpin(rdev);
4aac0473
JG		 972}
973
974void r600_pcie_gart_fini(struct radeon_device *rdev)
975{
f9274562 976 radeon_gart_fini(rdev);
4aac0473
JG		 977 r600_pcie_gart_disable(rdev);
978 radeon_gart_table_vram_free(rdev);
771fe6b9
JG		 979}
980
1a029b76
JG		 981void r600_agp_enable(struct radeon_device *rdev)
982{
983 u32 tmp;
984 int i;
985
986 /* Setup L2 cache */
987 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
988 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
989 EFFECTIVE_L2_QUEUE_SIZE(7));
990 WREG32(VM_L2_CNTL2, 0);
991 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
992 /* Setup TLB control */
993 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
994 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
995 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
996 ENABLE_WAIT_L2_QUERY;
997 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
998 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
999 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1000 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1001 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1002 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1003 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1004 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1005 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1006 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1007 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1008 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1009 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1010 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1011 for (i = 0; i < 7; i++)
1012 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1013}
1014
771fe6b9
JG		 1015int r600_mc_wait_for_idle(struct radeon_device *rdev)
1016{
3ce0a23d
JG		 1017 unsigned i;
1018 u32 tmp;
1019
1020 for (i = 0; i < rdev->usec_timeout; i++) {
1021 /* read MC_STATUS */
1022 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1023 if (!tmp)
1024 return 0;
1025 udelay(1);
1026 }
1027 return -1;
771fe6b9
JG		 1028}
1029
a3c1945a 1030static void r600_mc_program(struct radeon_device *rdev)
771fe6b9 1031{
a3c1945a 1032 struct rv515_mc_save save;
3ce0a23d
JG		 1033 u32 tmp;
1034 int i, j;
771fe6b9 1035
3ce0a23d
JG		 1036 /* Initialize HDP */
1037 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1038 WREG32((0x2c14 + j), 0x00000000);
1039 WREG32((0x2c18 + j), 0x00000000);
1040 WREG32((0x2c1c + j), 0x00000000);
1041 WREG32((0x2c20 + j), 0x00000000);
1042 WREG32((0x2c24 + j), 0x00000000);
1043 }
1044 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
771fe6b9 1045
a3c1945a 1046 rv515_mc_stop(rdev, &save);
3ce0a23d 1047 if (r600_mc_wait_for_idle(rdev)) {
a3c1945a 1048 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3ce0a23d 1049 }
a3c1945a 1050 /* Lockout access through VGA aperture (doesn't exist before R600) */
3ce0a23d 1051 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
3ce0a23d 1052 /* Update configuration */
1a029b76
JG		 1053 if (rdev->flags & RADEON_IS_AGP) {
1054 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1055 /* VRAM before AGP */
1056 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1057 rdev->mc.vram_start >> 12);
1058 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1059 rdev->mc.gtt_end >> 12);
1060 } else {
1061 /* VRAM after AGP */
1062 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1063 rdev->mc.gtt_start >> 12);
1064 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1065 rdev->mc.vram_end >> 12);
1066 }
1067 } else {
1068 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1069 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1070 }
16cdf04d 1071 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1a029b76 1072 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
3ce0a23d
JG		 1073 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1074 WREG32(MC_VM_FB_LOCATION, tmp);
1075 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1076 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
46fcd2b3 1077 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
3ce0a23d 1078 if (rdev->flags & RADEON_IS_AGP) {
1a029b76
JG		 1079 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1080 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
3ce0a23d
JG		 1081 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1082 } else {
1083 WREG32(MC_VM_AGP_BASE, 0);
1084 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1085 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1086 }
3ce0a23d 1087 if (r600_mc_wait_for_idle(rdev)) {
a3c1945a 1088 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3ce0a23d 1089 }
a3c1945a 1090 rv515_mc_resume(rdev, &save);
698443d9
DA		 1091 /* we need to own VRAM, so turn off the VGA renderer here
1092 * to stop it overwriting our objects */
d39c3b89 1093 rv515_vga_render_disable(rdev);
3ce0a23d
JG		 1094}
1095
d594e46a
JG		 1096/**
1097 * r600_vram_gtt_location - try to find VRAM & GTT location
1098 * @rdev: radeon device structure holding all necessary informations
1099 * @mc: memory controller structure holding memory informations
1100 *
1101 * Function will place try to place VRAM at same place as in CPU (PCI)
1102 * address space as some GPU seems to have issue when we reprogram at
1103 * different address space.
1104 *
1105 * If there is not enough space to fit the unvisible VRAM after the
1106 * aperture then we limit the VRAM size to the aperture.
1107 *
1108 * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1109 * them to be in one from GPU point of view so that we can program GPU to
1110 * catch access outside them (weird GPU policy see ??).
1111 *
1112 * This function will never fails, worst case are limiting VRAM or GTT.
1113 *
1114 * Note: GTT start, end, size should be initialized before calling this
1115 * function on AGP platform.
1116 */
0ef0c1f7 1117static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
d594e46a
JG		 1118{
1119 u64 size_bf, size_af;
1120
1121 if (mc->mc_vram_size > 0xE0000000) {
1122 /* leave room for at least 512M GTT */
1123 dev_warn(rdev->dev, "limiting VRAM\n");
1124 mc->real_vram_size = 0xE0000000;
1125 mc->mc_vram_size = 0xE0000000;
1126 }
1127 if (rdev->flags & RADEON_IS_AGP) {
1128 size_bf = mc->gtt_start;
dfc6ae5b 1129 size_af = 0xFFFFFFFF - mc->gtt_end;
d594e46a
JG		 1130 if (size_bf > size_af) {
1131 if (mc->mc_vram_size > size_bf) {
1132 dev_warn(rdev->dev, "limiting VRAM\n");
1133 mc->real_vram_size = size_bf;
1134 mc->mc_vram_size = size_bf;
1135 }
1136 mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1137 } else {
1138 if (mc->mc_vram_size > size_af) {
1139 dev_warn(rdev->dev, "limiting VRAM\n");
1140 mc->real_vram_size = size_af;
1141 mc->mc_vram_size = size_af;
1142 }
dfc6ae5b 1143 mc->vram_start = mc->gtt_end + 1;
d594e46a
JG		 1144 }
1145 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1146 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1147 mc->mc_vram_size >> 20, mc->vram_start,
1148 mc->vram_end, mc->real_vram_size >> 20);
1149 } else {
1150 u64 base = 0;
8961d52d
AD		 1151 if (rdev->flags & RADEON_IS_IGP) {
1152 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1153 base <<= 24;
1154 }
d594e46a 1155 radeon_vram_location(rdev, &rdev->mc, base);
8d369bb1 1156 rdev->mc.gtt_base_align = 0;
d594e46a
JG		 1157 radeon_gtt_location(rdev, mc);
1158 }
1159}
1160
3ce0a23d 1161int r600_mc_init(struct radeon_device *rdev)
771fe6b9 1162{
3ce0a23d 1163 u32 tmp;
5885b7a9 1164 int chansize, numchan;
771fe6b9 1165
3ce0a23d 1166 /* Get VRAM informations */
771fe6b9 1167 rdev->mc.vram_is_ddr = true;
3ce0a23d
JG		 1168 tmp = RREG32(RAMCFG);
1169 if (tmp & CHANSIZE_OVERRIDE) {
771fe6b9 1170 chansize = 16;
3ce0a23d 1171 } else if (tmp & CHANSIZE_MASK) {
771fe6b9
JG		 1172 chansize = 64;
1173 } else {
1174 chansize = 32;
1175 }
5885b7a9
AD		 1176 tmp = RREG32(CHMAP);
1177 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1178 case 0:
1179 default:
1180 numchan = 1;
1181 break;
1182 case 1:
1183 numchan = 2;
1184 break;
1185 case 2:
1186 numchan = 4;
1187 break;
1188 case 3:
1189 numchan = 8;
1190 break;
771fe6b9 1191 }
5885b7a9 1192 rdev->mc.vram_width = numchan * chansize;
3ce0a23d 1193 /* Could aper size report 0 ? */
01d73a69
JC		 1194 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1195 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
3ce0a23d
JG		 1196 /* Setup GPU memory space */
1197 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1198 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
51e5fcd3 1199 rdev->mc.visible_vram_size = rdev->mc.aper_size;
d594e46a 1200 r600_vram_gtt_location(rdev, &rdev->mc);
f47299c5 1201
f892034a
AD		 1202 if (rdev->flags & RADEON_IS_IGP) {
1203 rs690_pm_info(rdev);
06b6476d 1204 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
f892034a 1205 }
f47299c5 1206 radeon_update_bandwidth_info(rdev);
3ce0a23d 1207 return 0;
771fe6b9
JG		 1208}
1209
16cdf04d
AD		 1210int r600_vram_scratch_init(struct radeon_device *rdev)
1211{
1212 int r;
1213
1214 if (rdev->vram_scratch.robj == NULL) {
1215 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1216 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
40f5cf99 1217 NULL, &rdev->vram_scratch.robj);
16cdf04d
AD		 1218 if (r) {
1219 return r;
1220 }
1221 }
1222
1223 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1224 if (unlikely(r != 0))
1225 return r;
1226 r = radeon_bo_pin(rdev->vram_scratch.robj,
1227 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1228 if (r) {
1229 radeon_bo_unreserve(rdev->vram_scratch.robj);
1230 return r;
1231 }
1232 r = radeon_bo_kmap(rdev->vram_scratch.robj,
1233 (void **)&rdev->vram_scratch.ptr);
1234 if (r)
1235 radeon_bo_unpin(rdev->vram_scratch.robj);
1236 radeon_bo_unreserve(rdev->vram_scratch.robj);
1237
1238 return r;
1239}
1240
1241void r600_vram_scratch_fini(struct radeon_device *rdev)
1242{
1243 int r;
1244
1245 if (rdev->vram_scratch.robj == NULL) {
1246 return;
1247 }
1248 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1249 if (likely(r == 0)) {
1250 radeon_bo_kunmap(rdev->vram_scratch.robj);
1251 radeon_bo_unpin(rdev->vram_scratch.robj);
1252 radeon_bo_unreserve(rdev->vram_scratch.robj);
1253 }
1254 radeon_bo_unref(&rdev->vram_scratch.robj);
1255}
1256
3ce0a23d
JG		 1257/* We doesn't check that the GPU really needs a reset we simply do the
1258 * reset, it's up to the caller to determine if the GPU needs one. We
1259 * might add an helper function to check that.
1260 */
1261int r600_gpu_soft_reset(struct radeon_device *rdev)
771fe6b9 1262{
a3c1945a 1263 struct rv515_mc_save save;
3ce0a23d
JG		 1264 u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) |
1265 S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) |
1266 S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) |
1267 S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) |
1268 S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) |
1269 S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) |
1270 S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) |
1271 S_008010_GUI_ACTIVE(1);
1272 u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) |
1273 S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) |
1274 S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) |
1275 S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) |
1276 S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) |
1277 S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) |
1278 S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) |
1279 S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
a3c1945a 1280 u32 tmp;
771fe6b9 1281
8d96fe93
AD		 1282 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1283 return 0;
1284
1a029b76
JG		 1285 dev_info(rdev->dev, "GPU softreset \n");
1286 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n",
1287 RREG32(R_008010_GRBM_STATUS));
1288 dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n",
a3c1945a 1289 RREG32(R_008014_GRBM_STATUS2));
1a029b76
JG		 1290 dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n",
1291 RREG32(R_000E50_SRBM_STATUS));
a3c1945a
JG		 1292 rv515_mc_stop(rdev, &save);
1293 if (r600_mc_wait_for_idle(rdev)) {
1294 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1295 }
3ce0a23d 1296 /* Disable CP parsing/prefetching */
90aca4d2 1297 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
3ce0a23d
JG		 1298 /* Check if any of the rendering block is busy and reset it */
1299 if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) ||
1300 (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) {
a3c1945a 1301 tmp = S_008020_SOFT_RESET_CR(1) |
3ce0a23d
JG		 1302 S_008020_SOFT_RESET_DB(1) |
1303 S_008020_SOFT_RESET_CB(1) |
1304 S_008020_SOFT_RESET_PA(1) |
1305 S_008020_SOFT_RESET_SC(1) |
1306 S_008020_SOFT_RESET_SMX(1) |
1307 S_008020_SOFT_RESET_SPI(1) |
1308 S_008020_SOFT_RESET_SX(1) |
1309 S_008020_SOFT_RESET_SH(1) |
1310 S_008020_SOFT_RESET_TC(1) |
1311 S_008020_SOFT_RESET_TA(1) |
1312 S_008020_SOFT_RESET_VC(1) |
a3c1945a 1313 S_008020_SOFT_RESET_VGT(1);
1a029b76 1314 dev_info(rdev->dev, " R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
a3c1945a 1315 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
90aca4d2
JG		 1316 RREG32(R_008020_GRBM_SOFT_RESET);
1317 mdelay(15);
3ce0a23d 1318 WREG32(R_008020_GRBM_SOFT_RESET, 0);
3ce0a23d
JG		 1319 }
1320 /* Reset CP (we always reset CP) */
a3c1945a
JG		 1321 tmp = S_008020_SOFT_RESET_CP(1);
1322 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1323 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
90aca4d2
JG		 1324 RREG32(R_008020_GRBM_SOFT_RESET);
1325 mdelay(15);
3ce0a23d 1326 WREG32(R_008020_GRBM_SOFT_RESET, 0);
3ce0a23d 1327 /* Wait a little for things to settle down */
225758d8 1328 mdelay(1);
1a029b76
JG		 1329 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n",
1330 RREG32(R_008010_GRBM_STATUS));
1331 dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n",
1332 RREG32(R_008014_GRBM_STATUS2));
1333 dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n",
1334 RREG32(R_000E50_SRBM_STATUS));
a3c1945a 1335 rv515_mc_resume(rdev, &save);
3ce0a23d
JG		 1336 return 0;
1337}
1338
e32eb50d 1339bool r600_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
225758d8
JG		 1340{
1341 u32 srbm_status;
1342 u32 grbm_status;
1343 u32 grbm_status2;
225758d8
JG		 1344
1345 srbm_status = RREG32(R_000E50_SRBM_STATUS);
1346 grbm_status = RREG32(R_008010_GRBM_STATUS);
1347 grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
1348 if (!G_008010_GUI_ACTIVE(grbm_status)) {
069211e5 1349 radeon_ring_lockup_update(ring);
225758d8
JG		 1350 return false;
1351 }
1352 /* force CP activities */
7b9ef16b 1353 radeon_ring_force_activity(rdev, ring);
069211e5 1354 return radeon_ring_test_lockup(rdev, ring);
225758d8
JG		 1355}
1356
a2d07b74 1357int r600_asic_reset(struct radeon_device *rdev)
3ce0a23d
JG		 1358{
1359 return r600_gpu_soft_reset(rdev);
1360}
1361
416a2bd2
AD		 1362u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1363 u32 tiling_pipe_num,
1364 u32 max_rb_num,
1365 u32 total_max_rb_num,
1366 u32 disabled_rb_mask)
3ce0a23d 1367{
416a2bd2
AD		 1368 u32 rendering_pipe_num, rb_num_width, req_rb_num;
1369 u32 pipe_rb_ratio, pipe_rb_remain;
1370 u32 data = 0, mask = 1 << (max_rb_num - 1);
1371 unsigned i, j;
3ce0a23d 1372
416a2bd2
AD		 1373 /* mask out the RBs that don't exist on that asic */
1374 disabled_rb_mask |= (0xff << max_rb_num) & 0xff;
3ce0a23d 1375
416a2bd2
AD		 1376 rendering_pipe_num = 1 << tiling_pipe_num;
1377 req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
1378 BUG_ON(rendering_pipe_num < req_rb_num);
3ce0a23d 1379
416a2bd2
AD		 1380 pipe_rb_ratio = rendering_pipe_num / req_rb_num;
1381 pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
3ce0a23d 1382
416a2bd2
AD		 1383 if (rdev->family <= CHIP_RV740) {
1384 /* r6xx/r7xx */
1385 rb_num_width = 2;
1386 } else {
1387 /* eg+ */
1388 rb_num_width = 4;
1389 }
3ce0a23d 1390
416a2bd2
AD		 1391 for (i = 0; i < max_rb_num; i++) {
1392 if (!(mask & disabled_rb_mask)) {
1393 for (j = 0; j < pipe_rb_ratio; j++) {
1394 data <<= rb_num_width;
1395 data |= max_rb_num - i - 1;
1396 }
1397 if (pipe_rb_remain) {
1398 data <<= rb_num_width;
1399 data |= max_rb_num - i - 1;
1400 pipe_rb_remain--;
1401 }
1402 }
1403 mask >>= 1;
3ce0a23d
JG		 1404 }
1405
416a2bd2 1406 return data;
3ce0a23d
JG		 1407}
1408
1409int r600_count_pipe_bits(uint32_t val)
1410{
1411 int i, ret = 0;
1412
1413 for (i = 0; i < 32; i++) {
1414 ret += val & 1;
1415 val >>= 1;
1416 }
1417 return ret;
771fe6b9
JG		 1418}
1419
3ce0a23d
JG		 1420void r600_gpu_init(struct radeon_device *rdev)
1421{
1422 u32 tiling_config;
1423 u32 ramcfg;
d03f5d59
AD		 1424 u32 cc_rb_backend_disable;
1425 u32 cc_gc_shader_pipe_config;
3ce0a23d
JG		 1426 u32 tmp;
1427 int i, j;
1428 u32 sq_config;
1429 u32 sq_gpr_resource_mgmt_1 = 0;
1430 u32 sq_gpr_resource_mgmt_2 = 0;
1431 u32 sq_thread_resource_mgmt = 0;
1432 u32 sq_stack_resource_mgmt_1 = 0;
1433 u32 sq_stack_resource_mgmt_2 = 0;
416a2bd2 1434 u32 disabled_rb_mask;
3ce0a23d 1435
416a2bd2 1436 rdev->config.r600.tiling_group_size = 256;
3ce0a23d
JG		 1437 switch (rdev->family) {
1438 case CHIP_R600:
1439 rdev->config.r600.max_pipes = 4;
1440 rdev->config.r600.max_tile_pipes = 8;
1441 rdev->config.r600.max_simds = 4;
1442 rdev->config.r600.max_backends = 4;
1443 rdev->config.r600.max_gprs = 256;
1444 rdev->config.r600.max_threads = 192;
1445 rdev->config.r600.max_stack_entries = 256;
1446 rdev->config.r600.max_hw_contexts = 8;
1447 rdev->config.r600.max_gs_threads = 16;
1448 rdev->config.r600.sx_max_export_size = 128;
1449 rdev->config.r600.sx_max_export_pos_size = 16;
1450 rdev->config.r600.sx_max_export_smx_size = 128;
1451 rdev->config.r600.sq_num_cf_insts = 2;
1452 break;
1453 case CHIP_RV630:
1454 case CHIP_RV635:
1455 rdev->config.r600.max_pipes = 2;
1456 rdev->config.r600.max_tile_pipes = 2;
1457 rdev->config.r600.max_simds = 3;
1458 rdev->config.r600.max_backends = 1;
1459 rdev->config.r600.max_gprs = 128;
1460 rdev->config.r600.max_threads = 192;
1461 rdev->config.r600.max_stack_entries = 128;
1462 rdev->config.r600.max_hw_contexts = 8;
1463 rdev->config.r600.max_gs_threads = 4;
1464 rdev->config.r600.sx_max_export_size = 128;
1465 rdev->config.r600.sx_max_export_pos_size = 16;
1466 rdev->config.r600.sx_max_export_smx_size = 128;
1467 rdev->config.r600.sq_num_cf_insts = 2;
1468 break;
1469 case CHIP_RV610:
1470 case CHIP_RV620:
1471 case CHIP_RS780:
1472 case CHIP_RS880:
1473 rdev->config.r600.max_pipes = 1;
1474 rdev->config.r600.max_tile_pipes = 1;
1475 rdev->config.r600.max_simds = 2;
1476 rdev->config.r600.max_backends = 1;
1477 rdev->config.r600.max_gprs = 128;
1478 rdev->config.r600.max_threads = 192;
1479 rdev->config.r600.max_stack_entries = 128;
1480 rdev->config.r600.max_hw_contexts = 4;
1481 rdev->config.r600.max_gs_threads = 4;
1482 rdev->config.r600.sx_max_export_size = 128;
1483 rdev->config.r600.sx_max_export_pos_size = 16;
1484 rdev->config.r600.sx_max_export_smx_size = 128;
1485 rdev->config.r600.sq_num_cf_insts = 1;
1486 break;
1487 case CHIP_RV670:
1488 rdev->config.r600.max_pipes = 4;
1489 rdev->config.r600.max_tile_pipes = 4;
1490 rdev->config.r600.max_simds = 4;
1491 rdev->config.r600.max_backends = 4;
1492 rdev->config.r600.max_gprs = 192;
1493 rdev->config.r600.max_threads = 192;
1494 rdev->config.r600.max_stack_entries = 256;
1495 rdev->config.r600.max_hw_contexts = 8;
1496 rdev->config.r600.max_gs_threads = 16;
1497 rdev->config.r600.sx_max_export_size = 128;
1498 rdev->config.r600.sx_max_export_pos_size = 16;
1499 rdev->config.r600.sx_max_export_smx_size = 128;
1500 rdev->config.r600.sq_num_cf_insts = 2;
1501 break;
1502 default:
1503 break;
1504 }
1505
1506 /* Initialize HDP */
1507 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1508 WREG32((0x2c14 + j), 0x00000000);
1509 WREG32((0x2c18 + j), 0x00000000);
1510 WREG32((0x2c1c + j), 0x00000000);
1511 WREG32((0x2c20 + j), 0x00000000);
1512 WREG32((0x2c24 + j), 0x00000000);
1513 }
1514
1515 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1516
1517 /* Setup tiling */
1518 tiling_config = 0;
1519 ramcfg = RREG32(RAMCFG);
1520 switch (rdev->config.r600.max_tile_pipes) {
1521 case 1:
1522 tiling_config |= PIPE_TILING(0);
1523 break;
1524 case 2:
1525 tiling_config |= PIPE_TILING(1);
1526 break;
1527 case 4:
1528 tiling_config |= PIPE_TILING(2);
1529 break;
1530 case 8:
1531 tiling_config |= PIPE_TILING(3);
1532 break;
1533 default:
1534 break;
1535 }
d03f5d59 1536 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
961fb597 1537 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
3ce0a23d 1538 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
881fe6c1 1539 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
416a2bd2 1540
3ce0a23d
JG		 1541 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1542 if (tmp > 3) {
1543 tiling_config |= ROW_TILING(3);
1544 tiling_config |= SAMPLE_SPLIT(3);
1545 } else {
1546 tiling_config |= ROW_TILING(tmp);
1547 tiling_config |= SAMPLE_SPLIT(tmp);
1548 }
1549 tiling_config |= BANK_SWAPS(1);
d03f5d59
AD		 1550
1551 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
416a2bd2
AD		 1552 tmp = R6XX_MAX_BACKENDS -
1553 r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK);
1554 if (tmp < rdev->config.r600.max_backends) {
1555 rdev->config.r600.max_backends = tmp;
1556 }
1557
1558 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
1559 tmp = R6XX_MAX_PIPES -
1560 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK);
1561 if (tmp < rdev->config.r600.max_pipes) {
1562 rdev->config.r600.max_pipes = tmp;
1563 }
1564 tmp = R6XX_MAX_SIMDS -
1565 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
1566 if (tmp < rdev->config.r600.max_simds) {
1567 rdev->config.r600.max_simds = tmp;
1568 }
1569
1570 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
1571 tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1572 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
1573 R6XX_MAX_BACKENDS, disabled_rb_mask);
1574 tiling_config |= tmp << 16;
1575 rdev->config.r600.backend_map = tmp;
1576
e7aeeba6 1577 rdev->config.r600.tile_config = tiling_config;
3ce0a23d
JG		 1578 WREG32(GB_TILING_CONFIG, tiling_config);
1579 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1580 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1581
d03f5d59 1582 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
3ce0a23d
JG		 1583 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1584 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1585
1586 /* Setup some CP states */
1587 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1588 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1589
1590 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1591 SYNC_WALKER | SYNC_ALIGNER));
1592 /* Setup various GPU states */
1593 if (rdev->family == CHIP_RV670)
1594 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1595
1596 tmp = RREG32(SX_DEBUG_1);
1597 tmp |= SMX_EVENT_RELEASE;
1598 if ((rdev->family > CHIP_R600))
1599 tmp |= ENABLE_NEW_SMX_ADDRESS;
1600 WREG32(SX_DEBUG_1, tmp);
1601
1602 if (((rdev->family) == CHIP_R600) ||
1603 ((rdev->family) == CHIP_RV630) ||
1604 ((rdev->family) == CHIP_RV610) ||
1605 ((rdev->family) == CHIP_RV620) ||
ee59f2b4
AD		 1606 ((rdev->family) == CHIP_RS780) ||
1607 ((rdev->family) == CHIP_RS880)) {
3ce0a23d
JG		 1608 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
1609 } else {
1610 WREG32(DB_DEBUG, 0);
1611 }
1612 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
1613 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
1614
1615 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1616 WREG32(VGT_NUM_INSTANCES, 0);
1617
1618 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
1619 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
1620
1621 tmp = RREG32(SQ_MS_FIFO_SIZES);
1622 if (((rdev->family) == CHIP_RV610) ||
1623 ((rdev->family) == CHIP_RV620) ||
ee59f2b4
AD		 1624 ((rdev->family) == CHIP_RS780) ||
1625 ((rdev->family) == CHIP_RS880)) {
3ce0a23d
JG		 1626 tmp = (CACHE_FIFO_SIZE(0xa) |
1627 FETCH_FIFO_HIWATER(0xa) |
1628 DONE_FIFO_HIWATER(0xe0) |
1629 ALU_UPDATE_FIFO_HIWATER(0x8));
1630 } else if (((rdev->family) == CHIP_R600) ||
1631 ((rdev->family) == CHIP_RV630)) {
1632 tmp &= ~DONE_FIFO_HIWATER(0xff);
1633 tmp |= DONE_FIFO_HIWATER(0x4);
1634 }
1635 WREG32(SQ_MS_FIFO_SIZES, tmp);
1636
1637 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1638 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
1639 */
1640 sq_config = RREG32(SQ_CONFIG);
1641 sq_config &= ~(PS_PRIO(3) |
1642 VS_PRIO(3) |
1643 GS_PRIO(3) |
1644 ES_PRIO(3));
1645 sq_config |= (DX9_CONSTS |
1646 VC_ENABLE |
1647 PS_PRIO(0) |
1648 VS_PRIO(1) |
1649 GS_PRIO(2) |
1650 ES_PRIO(3));
1651
1652 if ((rdev->family) == CHIP_R600) {
1653 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
1654 NUM_VS_GPRS(124) |
1655 NUM_CLAUSE_TEMP_GPRS(4));
1656 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
1657 NUM_ES_GPRS(0));
1658 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
1659 NUM_VS_THREADS(48) |
1660 NUM_GS_THREADS(4) |
1661 NUM_ES_THREADS(4));
1662 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
1663 NUM_VS_STACK_ENTRIES(128));
1664 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
1665 NUM_ES_STACK_ENTRIES(0));
1666 } else if (((rdev->family) == CHIP_RV610) ||
1667 ((rdev->family) == CHIP_RV620) ||
ee59f2b4
AD		 1668 ((rdev->family) == CHIP_RS780) ||
1669 ((rdev->family) == CHIP_RS880)) {
3ce0a23d
JG		 1670 /* no vertex cache */
1671 sq_config &= ~VC_ENABLE;
1672
1673 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1674 NUM_VS_GPRS(44) |
1675 NUM_CLAUSE_TEMP_GPRS(2));
1676 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1677 NUM_ES_GPRS(17));
1678 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1679 NUM_VS_THREADS(78) |
1680 NUM_GS_THREADS(4) |
1681 NUM_ES_THREADS(31));
1682 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1683 NUM_VS_STACK_ENTRIES(40));
1684 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1685 NUM_ES_STACK_ENTRIES(16));
1686 } else if (((rdev->family) == CHIP_RV630) ||
1687 ((rdev->family) == CHIP_RV635)) {
1688 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1689 NUM_VS_GPRS(44) |
1690 NUM_CLAUSE_TEMP_GPRS(2));
1691 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
1692 NUM_ES_GPRS(18));
1693 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1694 NUM_VS_THREADS(78) |
1695 NUM_GS_THREADS(4) |
1696 NUM_ES_THREADS(31));
1697 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1698 NUM_VS_STACK_ENTRIES(40));
1699 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1700 NUM_ES_STACK_ENTRIES(16));
1701 } else if ((rdev->family) == CHIP_RV670) {
1702 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1703 NUM_VS_GPRS(44) |
1704 NUM_CLAUSE_TEMP_GPRS(2));
1705 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1706 NUM_ES_GPRS(17));
1707 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1708 NUM_VS_THREADS(78) |
1709 NUM_GS_THREADS(4) |
1710 NUM_ES_THREADS(31));
1711 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
1712 NUM_VS_STACK_ENTRIES(64));
1713 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
1714 NUM_ES_STACK_ENTRIES(64));
1715 }
1716
1717 WREG32(SQ_CONFIG, sq_config);
1718 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
1719 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
1720 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1721 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1722 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1723
1724 if (((rdev->family) == CHIP_RV610) ||
1725 ((rdev->family) == CHIP_RV620) ||
ee59f2b4
AD		 1726 ((rdev->family) == CHIP_RS780) ||
1727 ((rdev->family) == CHIP_RS880)) {
3ce0a23d
JG		 1728 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
1729 } else {
1730 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
1731 }
1732
1733 /* More default values. 2D/3D driver should adjust as needed */
1734 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
1735 S1_X(0x4) | S1_Y(0xc)));
1736 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
1737 S1_X(0x2) | S1_Y(0x2) |
1738 S2_X(0xa) | S2_Y(0x6) |
1739 S3_X(0x6) | S3_Y(0xa)));
1740 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
1741 S1_X(0x4) | S1_Y(0xc) |
1742 S2_X(0x1) | S2_Y(0x6) |
1743 S3_X(0xa) | S3_Y(0xe)));
1744 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
1745 S5_X(0x0) | S5_Y(0x0) |
1746 S6_X(0xb) | S6_Y(0x4) |
1747 S7_X(0x7) | S7_Y(0x8)));
1748
1749 WREG32(VGT_STRMOUT_EN, 0);
1750 tmp = rdev->config.r600.max_pipes * 16;
1751 switch (rdev->family) {
1752 case CHIP_RV610:
3ce0a23d 1753 case CHIP_RV620:
ee59f2b4
AD		 1754 case CHIP_RS780:
1755 case CHIP_RS880:
3ce0a23d
JG		 1756 tmp += 32;
1757 break;
1758 case CHIP_RV670:
1759 tmp += 128;
1760 break;
1761 default:
1762 break;
1763 }
1764 if (tmp > 256) {
1765 tmp = 256;
1766 }
1767 WREG32(VGT_ES_PER_GS, 128);
1768 WREG32(VGT_GS_PER_ES, tmp);
1769 WREG32(VGT_GS_PER_VS, 2);
1770 WREG32(VGT_GS_VERTEX_REUSE, 16);
1771
1772 /* more default values. 2D/3D driver should adjust as needed */
1773 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1774 WREG32(VGT_STRMOUT_EN, 0);
1775 WREG32(SX_MISC, 0);
1776 WREG32(PA_SC_MODE_CNTL, 0);
1777 WREG32(PA_SC_AA_CONFIG, 0);
1778 WREG32(PA_SC_LINE_STIPPLE, 0);
1779 WREG32(SPI_INPUT_Z, 0);
1780 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1781 WREG32(CB_COLOR7_FRAG, 0);
1782
1783 /* Clear render buffer base addresses */
1784 WREG32(CB_COLOR0_BASE, 0);
1785 WREG32(CB_COLOR1_BASE, 0);
1786 WREG32(CB_COLOR2_BASE, 0);
1787 WREG32(CB_COLOR3_BASE, 0);
1788 WREG32(CB_COLOR4_BASE, 0);
1789 WREG32(CB_COLOR5_BASE, 0);
1790 WREG32(CB_COLOR6_BASE, 0);
1791 WREG32(CB_COLOR7_BASE, 0);
1792 WREG32(CB_COLOR7_FRAG, 0);
1793
1794 switch (rdev->family) {
1795 case CHIP_RV610:
3ce0a23d 1796 case CHIP_RV620:
ee59f2b4
AD		 1797 case CHIP_RS780:
1798 case CHIP_RS880:
3ce0a23d
JG		 1799 tmp = TC_L2_SIZE(8);
1800 break;
1801 case CHIP_RV630:
1802 case CHIP_RV635:
1803 tmp = TC_L2_SIZE(4);
1804 break;
1805 case CHIP_R600:
1806 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
1807 break;
1808 default:
1809 tmp = TC_L2_SIZE(0);
1810 break;
1811 }
1812 WREG32(TC_CNTL, tmp);
1813
1814 tmp = RREG32(HDP_HOST_PATH_CNTL);
1815 WREG32(HDP_HOST_PATH_CNTL, tmp);
1816
1817 tmp = RREG32(ARB_POP);
1818 tmp |= ENABLE_TC128;
1819 WREG32(ARB_POP, tmp);
1820
1821 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1822 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1823 NUM_CLIP_SEQ(3)));
1824 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
b866d133 1825 WREG32(VC_ENHANCE, 0);
3ce0a23d
JG		 1826}
1827
1828
771fe6b9
JG		 1829/*
1830 * Indirect registers accessor
1831 */
3ce0a23d
JG		 1832u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
1833{
1834 u32 r;
1835
1836 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1837 (void)RREG32(PCIE_PORT_INDEX);
1838 r = RREG32(PCIE_PORT_DATA);
1839 return r;
1840}
1841
1842void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
1843{
1844 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1845 (void)RREG32(PCIE_PORT_INDEX);
1846 WREG32(PCIE_PORT_DATA, (v));
1847 (void)RREG32(PCIE_PORT_DATA);
1848}
1849
3ce0a23d
JG		 1850/*
1851 * CP & Ring
1852 */
1853void r600_cp_stop(struct radeon_device *rdev)
1854{
53595338 1855 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
3ce0a23d 1856 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
724c80e1 1857 WREG32(SCRATCH_UMSK, 0);
3ce0a23d
JG		 1858}
1859
d8f60cfc 1860int r600_init_microcode(struct radeon_device *rdev)
3ce0a23d
JG		 1861{
1862 struct platform_device *pdev;
1863 const char *chip_name;
d8f60cfc
AD		 1864 const char *rlc_chip_name;
1865 size_t pfp_req_size, me_req_size, rlc_req_size;
3ce0a23d
JG		 1866 char fw_name[30];
1867 int err;
1868
1869 DRM_DEBUG("\n");
1870
1871 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
1872 err = IS_ERR(pdev);
1873 if (err) {
1874 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
1875 return -EINVAL;
1876 }
1877
1878 switch (rdev->family) {
d8f60cfc
AD		 1879 case CHIP_R600:
1880 chip_name = "R600";
1881 rlc_chip_name = "R600";
1882 break;
1883 case CHIP_RV610:
1884 chip_name = "RV610";
1885 rlc_chip_name = "R600";
1886 break;
1887 case CHIP_RV630:
1888 chip_name = "RV630";
1889 rlc_chip_name = "R600";
1890 break;
1891 case CHIP_RV620:
1892 chip_name = "RV620";
1893 rlc_chip_name = "R600";
1894 break;
1895 case CHIP_RV635:
1896 chip_name = "RV635";
1897 rlc_chip_name = "R600";
1898 break;
1899 case CHIP_RV670:
1900 chip_name = "RV670";
1901 rlc_chip_name = "R600";
1902 break;
3ce0a23d 1903 case CHIP_RS780:
d8f60cfc
AD		 1904 case CHIP_RS880:
1905 chip_name = "RS780";
1906 rlc_chip_name = "R600";
1907 break;
1908 case CHIP_RV770:
1909 chip_name = "RV770";
1910 rlc_chip_name = "R700";
1911 break;
3ce0a23d 1912 case CHIP_RV730:
d8f60cfc
AD		 1913 case CHIP_RV740:
1914 chip_name = "RV730";
1915 rlc_chip_name = "R700";
1916 break;
1917 case CHIP_RV710:
1918 chip_name = "RV710";
1919 rlc_chip_name = "R700";
1920 break;
fe251e2f
AD		 1921 case CHIP_CEDAR:
1922 chip_name = "CEDAR";
45f9a39b 1923 rlc_chip_name = "CEDAR";
fe251e2f
AD		 1924 break;
1925 case CHIP_REDWOOD:
1926 chip_name = "REDWOOD";
45f9a39b 1927 rlc_chip_name = "REDWOOD";
fe251e2f
AD		 1928 break;
1929 case CHIP_JUNIPER:
1930 chip_name = "JUNIPER";
45f9a39b 1931 rlc_chip_name = "JUNIPER";
fe251e2f
AD		 1932 break;
1933 case CHIP_CYPRESS:
1934 case CHIP_HEMLOCK:
1935 chip_name = "CYPRESS";
45f9a39b 1936 rlc_chip_name = "CYPRESS";
fe251e2f 1937 break;
439bd6cd
AD		 1938 case CHIP_PALM:
1939 chip_name = "PALM";
1940 rlc_chip_name = "SUMO";
1941 break;
d5c5a72f
AD		 1942 case CHIP_SUMO:
1943 chip_name = "SUMO";
1944 rlc_chip_name = "SUMO";
1945 break;
1946 case CHIP_SUMO2:
1947 chip_name = "SUMO2";
1948 rlc_chip_name = "SUMO";
1949 break;
3ce0a23d
JG		 1950 default: BUG();
1951 }
1952
fe251e2f
AD		 1953 if (rdev->family >= CHIP_CEDAR) {
1954 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
1955 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
45f9a39b 1956 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
fe251e2f 1957 } else if (rdev->family >= CHIP_RV770) {
3ce0a23d
JG		 1958 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
1959 me_req_size = R700_PM4_UCODE_SIZE * 4;
d8f60cfc 1960 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
3ce0a23d
JG		 1961 } else {
1962 pfp_req_size = PFP_UCODE_SIZE * 4;
1963 me_req_size = PM4_UCODE_SIZE * 12;
d8f60cfc 1964 rlc_req_size = RLC_UCODE_SIZE * 4;
3ce0a23d
JG		 1965 }
1966
d8f60cfc 1967 DRM_INFO("Loading %s Microcode\n", chip_name);
3ce0a23d
JG		 1968
1969 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
1970 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
1971 if (err)
1972 goto out;
1973 if (rdev->pfp_fw->size != pfp_req_size) {
1974 printk(KERN_ERR
1975 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
1976 rdev->pfp_fw->size, fw_name);
1977 err = -EINVAL;
1978 goto out;
1979 }
1980
1981 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
1982 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
1983 if (err)
1984 goto out;
1985 if (rdev->me_fw->size != me_req_size) {
1986 printk(KERN_ERR
1987 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
1988 rdev->me_fw->size, fw_name);
1989 err = -EINVAL;
1990 }
d8f60cfc
AD		 1991
1992 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
1993 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
1994 if (err)
1995 goto out;
1996 if (rdev->rlc_fw->size != rlc_req_size) {
1997 printk(KERN_ERR
1998 "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
1999 rdev->rlc_fw->size, fw_name);
2000 err = -EINVAL;
2001 }
2002
3ce0a23d
JG		 2003out:
2004 platform_device_unregister(pdev);
2005
2006 if (err) {
2007 if (err != -EINVAL)
2008 printk(KERN_ERR
2009 "r600_cp: Failed to load firmware \"%s\"\n",
2010 fw_name);
2011 release_firmware(rdev->pfp_fw);
2012 rdev->pfp_fw = NULL;
2013 release_firmware(rdev->me_fw);
2014 rdev->me_fw = NULL;
d8f60cfc
AD		 2015 release_firmware(rdev->rlc_fw);
2016 rdev->rlc_fw = NULL;
3ce0a23d
JG		 2017 }
2018 return err;
2019}
2020
2021static int r600_cp_load_microcode(struct radeon_device *rdev)
2022{
2023 const __be32 *fw_data;
2024 int i;
2025
2026 if (!rdev->me_fw || !rdev->pfp_fw)
2027 return -EINVAL;
2028
2029 r600_cp_stop(rdev);
2030
4eace7fd
CC		 2031 WREG32(CP_RB_CNTL,
2032#ifdef __BIG_ENDIAN
2033 BUF_SWAP_32BIT |
2034#endif
2035 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
3ce0a23d
JG		 2036
2037 /* Reset cp */
2038 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2039 RREG32(GRBM_SOFT_RESET);
2040 mdelay(15);
2041 WREG32(GRBM_SOFT_RESET, 0);
2042
2043 WREG32(CP_ME_RAM_WADDR, 0);
2044
2045 fw_data = (const __be32 *)rdev->me_fw->data;
2046 WREG32(CP_ME_RAM_WADDR, 0);
2047 for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
2048 WREG32(CP_ME_RAM_DATA,
2049 be32_to_cpup(fw_data++));
2050
2051 fw_data = (const __be32 *)rdev->pfp_fw->data;
2052 WREG32(CP_PFP_UCODE_ADDR, 0);
2053 for (i = 0; i < PFP_UCODE_SIZE; i++)
2054 WREG32(CP_PFP_UCODE_DATA,
2055 be32_to_cpup(fw_data++));
2056
2057 WREG32(CP_PFP_UCODE_ADDR, 0);
2058 WREG32(CP_ME_RAM_WADDR, 0);
2059 WREG32(CP_ME_RAM_RADDR, 0);
2060 return 0;
2061}
2062
2063int r600_cp_start(struct radeon_device *rdev)
2064{
e32eb50d 2065 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3ce0a23d
JG		 2066 int r;
2067 uint32_t cp_me;
2068
e32eb50d 2069 r = radeon_ring_lock(rdev, ring, 7);
3ce0a23d
JG		 2070 if (r) {
2071 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2072 return r;
2073 }
e32eb50d
CK		 2074 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2075 radeon_ring_write(ring, 0x1);
7e7b41d2 2076 if (rdev->family >= CHIP_RV770) {
e32eb50d
CK		 2077 radeon_ring_write(ring, 0x0);
2078 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
fe251e2f 2079 } else {
e32eb50d
CK		 2080 radeon_ring_write(ring, 0x3);
2081 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
3ce0a23d 2082 }
e32eb50d
CK		 2083 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2084 radeon_ring_write(ring, 0);
2085 radeon_ring_write(ring, 0);
2086 radeon_ring_unlock_commit(rdev, ring);
3ce0a23d
JG		 2087
2088 cp_me = 0xff;
2089 WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2090 return 0;
2091}
2092
2093int r600_cp_resume(struct radeon_device *rdev)
2094{
e32eb50d 2095 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3ce0a23d
JG		 2096 u32 tmp;
2097 u32 rb_bufsz;
2098 int r;
2099
2100 /* Reset cp */
2101 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2102 RREG32(GRBM_SOFT_RESET);
2103 mdelay(15);
2104 WREG32(GRBM_SOFT_RESET, 0);
2105
2106 /* Set ring buffer size */
e32eb50d 2107 rb_bufsz = drm_order(ring->ring_size / 8);
724c80e1 2108 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3ce0a23d 2109#ifdef __BIG_ENDIAN
d6f28938 2110 tmp |= BUF_SWAP_32BIT;
3ce0a23d 2111#endif
d6f28938 2112 WREG32(CP_RB_CNTL, tmp);
15d3332f 2113 WREG32(CP_SEM_WAIT_TIMER, 0x0);
3ce0a23d
JG		 2114
2115 /* Set the write pointer delay */
2116 WREG32(CP_RB_WPTR_DELAY, 0);
2117
2118 /* Initialize the ring buffer's read and write pointers */
3ce0a23d
JG		 2119 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2120 WREG32(CP_RB_RPTR_WR, 0);
e32eb50d
CK		 2121 ring->wptr = 0;
2122 WREG32(CP_RB_WPTR, ring->wptr);
724c80e1
AD		 2123
2124 /* set the wb address whether it's enabled or not */
4eace7fd 2125 WREG32(CP_RB_RPTR_ADDR,
4eace7fd 2126 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
724c80e1
AD		 2127 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2128 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2129
2130 if (rdev->wb.enabled)
2131 WREG32(SCRATCH_UMSK, 0xff);
2132 else {
2133 tmp |= RB_NO_UPDATE;
2134 WREG32(SCRATCH_UMSK, 0);
2135 }
2136
3ce0a23d
JG		 2137 mdelay(1);
2138 WREG32(CP_RB_CNTL, tmp);
2139
e32eb50d 2140 WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
3ce0a23d
JG		 2141 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2142
e32eb50d 2143 ring->rptr = RREG32(CP_RB_RPTR);
3ce0a23d
JG		 2144
2145 r600_cp_start(rdev);
e32eb50d 2146 ring->ready = true;
f712812e 2147 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
3ce0a23d 2148 if (r) {
e32eb50d 2149 ring->ready = false;
3ce0a23d
JG		 2150 return r;
2151 }
2152 return 0;
2153}
2154
e32eb50d 2155void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
3ce0a23d
JG		 2156{
2157 u32 rb_bufsz;
45df6803 2158 int r;
3ce0a23d
JG		 2159
2160 /* Align ring size */
2161 rb_bufsz = drm_order(ring_size / 8);
2162 ring_size = (1 << (rb_bufsz + 1)) * 4;
e32eb50d
CK		 2163 ring->ring_size = ring_size;
2164 ring->align_mask = 16 - 1;
45df6803
CK		 2165
2166 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
2167 if (r) {
2168 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
2169 ring->rptr_save_reg = 0;
2170 }
3ce0a23d
JG		 2171}
2172
655efd3d
JG		 2173void r600_cp_fini(struct radeon_device *rdev)
2174{
45df6803 2175 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
655efd3d 2176 r600_cp_stop(rdev);
45df6803
CK		 2177 radeon_ring_fini(rdev, ring);
2178 radeon_scratch_free(rdev, ring->rptr_save_reg);
655efd3d
JG		 2179}
2180
3ce0a23d
JG		 2181
2182/*
2183 * GPU scratch registers helpers function.
2184 */
2185void r600_scratch_init(struct radeon_device *rdev)
2186{
2187 int i;
2188
2189 rdev->scratch.num_reg = 7;
724c80e1 2190 rdev->scratch.reg_base = SCRATCH_REG0;
3ce0a23d
JG		 2191 for (i = 0; i < rdev->scratch.num_reg; i++) {
2192 rdev->scratch.free[i] = true;
724c80e1 2193 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
3ce0a23d
JG		 2194 }
2195}
2196
e32eb50d 2197int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3ce0a23d
JG		 2198{
2199 uint32_t scratch;
2200 uint32_t tmp = 0;
e32eb50d 2201 unsigned i, ridx = radeon_ring_index(rdev, ring);
3ce0a23d
JG		 2202 int r;
2203
2204 r = radeon_scratch_get(rdev, &scratch);
2205 if (r) {
2206 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2207 return r;
2208 }
2209 WREG32(scratch, 0xCAFEDEAD);
e32eb50d 2210 r = radeon_ring_lock(rdev, ring, 3);
3ce0a23d 2211 if (r) {
bf852799 2212 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ridx, r);
3ce0a23d
JG		 2213 radeon_scratch_free(rdev, scratch);
2214 return r;
2215 }
e32eb50d
CK		 2216 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2217 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2218 radeon_ring_write(ring, 0xDEADBEEF);
2219 radeon_ring_unlock_commit(rdev, ring);
3ce0a23d
JG		 2220 for (i = 0; i < rdev->usec_timeout; i++) {
2221 tmp = RREG32(scratch);
2222 if (tmp == 0xDEADBEEF)
2223 break;
2224 DRM_UDELAY(1);
2225 }
2226 if (i < rdev->usec_timeout) {
bf852799 2227 DRM_INFO("ring test on %d succeeded in %d usecs\n", ridx, i);
3ce0a23d 2228 } else {
bf852799
CK		 2229 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
2230 ridx, scratch, tmp);
3ce0a23d
JG		 2231 r = -EINVAL;
2232 }
2233 radeon_scratch_free(rdev, scratch);
2234 return r;
2235}
2236
3ce0a23d
JG		 2237void r600_fence_ring_emit(struct radeon_device *rdev,
2238 struct radeon_fence *fence)
2239{
e32eb50d 2240 struct radeon_ring *ring = &rdev->ring[fence->ring];
7b1f2485 2241
d0f8a854 2242 if (rdev->wb.use_event) {
30eb77f4 2243 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
77b1bad4 2244 /* flush read cache over gart */
e32eb50d
CK		 2245 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2246 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA |
2247 PACKET3_VC_ACTION_ENA |
2248 PACKET3_SH_ACTION_ENA);
2249 radeon_ring_write(ring, 0xFFFFFFFF);
2250 radeon_ring_write(ring, 0);
2251 radeon_ring_write(ring, 10); /* poll interval */
d0f8a854 2252 /* EVENT_WRITE_EOP - flush caches, send int */
e32eb50d
CK		 2253 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2254 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2255 radeon_ring_write(ring, addr & 0xffffffff);
2256 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2257 radeon_ring_write(ring, fence->seq);
2258 radeon_ring_write(ring, 0);
d0f8a854 2259 } else {
77b1bad4 2260 /* flush read cache over gart */
e32eb50d
CK		 2261 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2262 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA |
2263 PACKET3_VC_ACTION_ENA |
2264 PACKET3_SH_ACTION_ENA);
2265 radeon_ring_write(ring, 0xFFFFFFFF);
2266 radeon_ring_write(ring, 0);
2267 radeon_ring_write(ring, 10); /* poll interval */
2268 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
2269 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
d0f8a854 2270 /* wait for 3D idle clean */
e32eb50d
CK		 2271 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2272 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2273 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
d0f8a854 2274 /* Emit fence sequence & fire IRQ */
e32eb50d
CK		 2275 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2276 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2277 radeon_ring_write(ring, fence->seq);
d0f8a854 2278 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
e32eb50d
CK		 2279 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
2280 radeon_ring_write(ring, RB_INT_STAT);
d0f8a854 2281 }
3ce0a23d
JG		 2282}
2283
15d3332f 2284void r600_semaphore_ring_emit(struct radeon_device *rdev,
e32eb50d 2285 struct radeon_ring *ring,
15d3332f 2286 struct radeon_semaphore *semaphore,
7b1f2485 2287 bool emit_wait)
15d3332f
CK		 2288{
2289 uint64_t addr = semaphore->gpu_addr;
2290 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
2291
0be70439
CK		 2292 if (rdev->family < CHIP_CAYMAN)
2293 sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
2294
e32eb50d
CK		 2295 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
2296 radeon_ring_write(ring, addr & 0xffffffff);
2297 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
15d3332f
CK		 2298}
2299
3ce0a23d 2300int r600_copy_blit(struct radeon_device *rdev,
003cefe0
AD		 2301 uint64_t src_offset,
2302 uint64_t dst_offset,
2303 unsigned num_gpu_pages,
876dc9f3 2304 struct radeon_fence **fence)
3ce0a23d 2305{
220907d9 2306 struct radeon_semaphore *sem = NULL;
f237750f 2307 struct radeon_sa_bo *vb = NULL;
ff82f052
JG		 2308 int r;
2309
220907d9 2310 r = r600_blit_prepare_copy(rdev, num_gpu_pages, fence, &vb, &sem);
ff82f052 2311 if (r) {
ff82f052
JG		 2312 return r;
2313 }
f237750f 2314 r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages, vb);
220907d9 2315 r600_blit_done_copy(rdev, fence, vb, sem);
3ce0a23d
JG		 2316 return 0;
2317}
2318
3ce0a23d
JG		 2319int r600_set_surface_reg(struct radeon_device *rdev, int reg,
2320 uint32_t tiling_flags, uint32_t pitch,
2321 uint32_t offset, uint32_t obj_size)
2322{
2323 /* FIXME: implement */
2324 return 0;
2325}
2326
2327void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
2328{
2329 /* FIXME: implement */
2330}
2331
fc30b8ef 2332int r600_startup(struct radeon_device *rdev)
3ce0a23d 2333{
e32eb50d 2334 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3ce0a23d
JG		 2335 int r;
2336
9e46a48d
AD		 2337 /* enable pcie gen2 link */
2338 r600_pcie_gen2_enable(rdev);
2339
779720a3
AD		 2340 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2341 r = r600_init_microcode(rdev);
2342 if (r) {
2343 DRM_ERROR("Failed to load firmware!\n");
2344 return r;
2345 }
2346 }
2347
16cdf04d
AD		 2348 r = r600_vram_scratch_init(rdev);
2349 if (r)
2350 return r;
2351
a3c1945a 2352 r600_mc_program(rdev);
1a029b76
JG		 2353 if (rdev->flags & RADEON_IS_AGP) {
2354 r600_agp_enable(rdev);
2355 } else {
2356 r = r600_pcie_gart_enable(rdev);
2357 if (r)
2358 return r;
2359 }
3ce0a23d 2360 r600_gpu_init(rdev);
c38c7b64
JG		 2361 r = r600_blit_init(rdev);
2362 if (r) {
2363 r600_blit_fini(rdev);
27cd7769 2364 rdev->asic->copy.copy = NULL;
c38c7b64
JG		 2365 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2366 }
b70d6bb3 2367
724c80e1
AD		 2368 /* allocate wb buffer */
2369 r = radeon_wb_init(rdev);
2370 if (r)
2371 return r;
2372
30eb77f4
JG		 2373 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2374 if (r) {
2375 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2376 return r;
2377 }
2378
d8f60cfc 2379 /* Enable IRQ */
d8f60cfc
AD		 2380 r = r600_irq_init(rdev);
2381 if (r) {
2382 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2383 radeon_irq_kms_fini(rdev);
2384 return r;
2385 }
2386 r600_irq_set(rdev);
2387
e32eb50d 2388 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
78c5560a
AD		 2389 R600_CP_RB_RPTR, R600_CP_RB_WPTR,
2390 0, 0xfffff, RADEON_CP_PACKET2);
5596a9db 2391
3ce0a23d
JG		 2392 if (r)
2393 return r;
2394 r = r600_cp_load_microcode(rdev);
2395 if (r)
2396 return r;
2397 r = r600_cp_resume(rdev);
2398 if (r)
2399 return r;
724c80e1 2400
2898c348
CK		 2401 r = radeon_ib_pool_init(rdev);
2402 if (r) {
2403 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
b15ba512 2404 return r;
2898c348 2405 }
b15ba512 2406
d4e30ef0
AD		 2407 r = r600_audio_init(rdev);
2408 if (r) {
2409 DRM_ERROR("radeon: audio init failed\n");
2410 return r;
2411 }
2412
3ce0a23d
JG		 2413 return 0;
2414}
2415
28d52043
DA		 2416void r600_vga_set_state(struct radeon_device *rdev, bool state)
2417{
2418 uint32_t temp;
2419
2420 temp = RREG32(CONFIG_CNTL);
2421 if (state == false) {
2422 temp &= ~(1<<0);
2423 temp |= (1<<1);
2424 } else {
2425 temp &= ~(1<<1);
2426 }
2427 WREG32(CONFIG_CNTL, temp);
2428}
2429
fc30b8ef
DA		 2430int r600_resume(struct radeon_device *rdev)
2431{
2432 int r;
2433
1a029b76
JG		 2434 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
2435 * posting will perform necessary task to bring back GPU into good
2436 * shape.
2437 */
fc30b8ef 2438 /* post card */
e7d40b9a 2439 atom_asic_init(rdev->mode_info.atom_context);
fc30b8ef 2440
b15ba512 2441 rdev->accel_working = true;
fc30b8ef
DA		 2442 r = r600_startup(rdev);
2443 if (r) {
2444 DRM_ERROR("r600 startup failed on resume\n");
6b7746e8 2445 rdev->accel_working = false;
fc30b8ef
DA		 2446 return r;
2447 }
2448
fc30b8ef
DA		 2449 return r;
2450}
2451
3ce0a23d
JG		 2452int r600_suspend(struct radeon_device *rdev)
2453{
38fd2c6f 2454 r600_audio_fini(rdev);
3ce0a23d 2455 r600_cp_stop(rdev);
e32eb50d 2456 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
0c45249f 2457 r600_irq_suspend(rdev);
724c80e1 2458 radeon_wb_disable(rdev);
4aac0473 2459 r600_pcie_gart_disable(rdev);
6ddddfe7 2460
3ce0a23d
JG		 2461 return 0;
2462}
2463
2464/* Plan is to move initialization in that function and use
2465 * helper function so that radeon_device_init pretty much
2466 * do nothing more than calling asic specific function. This
2467 * should also allow to remove a bunch of callback function
2468 * like vram_info.
2469 */
2470int r600_init(struct radeon_device *rdev)
771fe6b9 2471{
3ce0a23d 2472 int r;
771fe6b9 2473
3ce0a23d
JG		 2474 if (r600_debugfs_mc_info_init(rdev)) {
2475 DRM_ERROR("Failed to register debugfs file for mc !\n");
2476 }
3ce0a23d
JG		 2477 /* Read BIOS */
2478 if (!radeon_get_bios(rdev)) {
2479 if (ASIC_IS_AVIVO(rdev))
2480 return -EINVAL;
2481 }
2482 /* Must be an ATOMBIOS */
e7d40b9a
JG		 2483 if (!rdev->is_atom_bios) {
2484 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3ce0a23d 2485 return -EINVAL;
e7d40b9a 2486 }
3ce0a23d
JG		 2487 r = radeon_atombios_init(rdev);
2488 if (r)
2489 return r;
2490 /* Post card if necessary */
fd909c37 2491 if (!radeon_card_posted(rdev)) {
72542d77
DA		 2492 if (!rdev->bios) {
2493 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2494 return -EINVAL;
2495 }
3ce0a23d
JG		 2496 DRM_INFO("GPU not posted. posting now...\n");
2497 atom_asic_init(rdev->mode_info.atom_context);
2498 }
2499 /* Initialize scratch registers */
2500 r600_scratch_init(rdev);
2501 /* Initialize surface registers */
2502 radeon_surface_init(rdev);
7433874e 2503 /* Initialize clocks */
5e6dde7e 2504 radeon_get_clock_info(rdev->ddev);
3ce0a23d 2505 /* Fence driver */
30eb77f4 2506 r = radeon_fence_driver_init(rdev);
3ce0a23d
JG		 2507 if (r)
2508 return r;
700a0cc0
JG		 2509 if (rdev->flags & RADEON_IS_AGP) {
2510 r = radeon_agp_init(rdev);
2511 if (r)
2512 radeon_agp_disable(rdev);
2513 }
3ce0a23d 2514 r = r600_mc_init(rdev);
b574f251 2515 if (r)
3ce0a23d 2516 return r;
3ce0a23d 2517 /* Memory manager */
4c788679 2518 r = radeon_bo_init(rdev);
3ce0a23d
JG		 2519 if (r)
2520 return r;
d8f60cfc
AD		 2521
2522 r = radeon_irq_kms_init(rdev);
2523 if (r)
2524 return r;
2525
e32eb50d
CK		 2526 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
2527 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3ce0a23d 2528
d8f60cfc
AD		 2529 rdev->ih.ring_obj = NULL;
2530 r600_ih_ring_init(rdev, 64 * 1024);
3ce0a23d 2531
4aac0473
JG		 2532 r = r600_pcie_gart_init(rdev);
2533 if (r)
2534 return r;
2535
779720a3 2536 rdev->accel_working = true;
fc30b8ef 2537 r = r600_startup(rdev);
3ce0a23d 2538 if (r) {
655efd3d
JG		 2539 dev_err(rdev->dev, "disabling GPU acceleration\n");
2540 r600_cp_fini(rdev);
655efd3d 2541 r600_irq_fini(rdev);
724c80e1 2542 radeon_wb_fini(rdev);
2898c348 2543 radeon_ib_pool_fini(rdev);
655efd3d 2544 radeon_irq_kms_fini(rdev);
75c81298 2545 r600_pcie_gart_fini(rdev);
733289c2 2546 rdev->accel_working = false;
3ce0a23d 2547 }
dafc3bd5 2548
3ce0a23d
JG		 2549 return 0;
2550}
2551
2552void r600_fini(struct radeon_device *rdev)
2553{
dafc3bd5 2554 r600_audio_fini(rdev);
3ce0a23d 2555 r600_blit_fini(rdev);
655efd3d 2556 r600_cp_fini(rdev);
d8f60cfc 2557 r600_irq_fini(rdev);
724c80e1 2558 radeon_wb_fini(rdev);
2898c348 2559 radeon_ib_pool_fini(rdev);
d8f60cfc 2560 radeon_irq_kms_fini(rdev);
4aac0473 2561 r600_pcie_gart_fini(rdev);
16cdf04d 2562 r600_vram_scratch_fini(rdev);
655efd3d 2563 radeon_agp_fini(rdev);
3ce0a23d
JG		 2564 radeon_gem_fini(rdev);
2565 radeon_fence_driver_fini(rdev);
4c788679 2566 radeon_bo_fini(rdev);
e7d40b9a 2567 radeon_atombios_fini(rdev);
3ce0a23d
JG		 2568 kfree(rdev->bios);
2569 rdev->bios = NULL;
3ce0a23d
JG		 2570}
2571
2572
2573/*
2574 * CS stuff
2575 */
2576void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2577{
876dc9f3 2578 struct radeon_ring *ring = &rdev->ring[ib->ring];
7b1f2485 2579
45df6803
CK		 2580 if (ring->rptr_save_reg) {
2581 uint32_t next_rptr = ring->wptr + 3 + 4;
2582 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2583 radeon_ring_write(ring, ((ring->rptr_save_reg -
2584 PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2585 radeon_ring_write(ring, next_rptr);
2586 }
2587
e32eb50d
CK		 2588 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2589 radeon_ring_write(ring,
4eace7fd
CC		 2590#ifdef __BIG_ENDIAN
2591 (2 << 0) |
2592#endif
2593 (ib->gpu_addr & 0xFFFFFFFC));
e32eb50d
CK		 2594 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
2595 radeon_ring_write(ring, ib->length_dw);
3ce0a23d
JG		 2596}
2597
f712812e 2598int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3ce0a23d 2599{
f2e39221 2600 struct radeon_ib ib;
3ce0a23d
JG		 2601 uint32_t scratch;
2602 uint32_t tmp = 0;
2603 unsigned i;
2604 int r;
f712812e 2605 int ring_index = radeon_ring_index(rdev, ring);
3ce0a23d
JG		 2606
2607 r = radeon_scratch_get(rdev, &scratch);
2608 if (r) {
2609 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
2610 return r;
2611 }
2612 WREG32(scratch, 0xCAFEDEAD);
f712812e 2613 r = radeon_ib_get(rdev, ring_index, &ib, 256);
3ce0a23d
JG		 2614 if (r) {
2615 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
2616 return r;
2617 }
f2e39221
JG		 2618 ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
2619 ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2620 ib.ptr[2] = 0xDEADBEEF;
2621 ib.length_dw = 3;
2622 r = radeon_ib_schedule(rdev, &ib);
3ce0a23d
JG		 2623 if (r) {
2624 radeon_scratch_free(rdev, scratch);
2625 radeon_ib_free(rdev, &ib);
2626 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
2627 return r;
2628 }
f2e39221 2629 r = radeon_fence_wait(ib.fence, false);
3ce0a23d
JG		 2630 if (r) {
2631 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
2632 return r;
2633 }
2634 for (i = 0; i < rdev->usec_timeout; i++) {
2635 tmp = RREG32(scratch);
2636 if (tmp == 0xDEADBEEF)
2637 break;
2638 DRM_UDELAY(1);
2639 }
2640 if (i < rdev->usec_timeout) {
f2e39221 2641 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3ce0a23d 2642 } else {
4417d7f6 2643 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3ce0a23d
JG		 2644 scratch, tmp);
2645 r = -EINVAL;
2646 }
2647 radeon_scratch_free(rdev, scratch);
2648 radeon_ib_free(rdev, &ib);
771fe6b9
JG		 2649 return r;
2650}
2651
d8f60cfc
AD		 2652/*
2653 * Interrupts
2654 *
2655 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty
2656 * the same as the CP ring buffer, but in reverse. Rather than the CPU
2657 * writing to the ring and the GPU consuming, the GPU writes to the ring
2658 * and host consumes. As the host irq handler processes interrupts, it
2659 * increments the rptr. When the rptr catches up with the wptr, all the
2660 * current interrupts have been processed.
2661 */
2662
2663void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
2664{
2665 u32 rb_bufsz;
2666
2667 /* Align ring size */
2668 rb_bufsz = drm_order(ring_size / 4);
2669 ring_size = (1 << rb_bufsz) * 4;
2670 rdev->ih.ring_size = ring_size;
0c45249f
JG		 2671 rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
2672 rdev->ih.rptr = 0;
d8f60cfc
AD		 2673}
2674
25a857fb 2675int r600_ih_ring_alloc(struct radeon_device *rdev)
d8f60cfc
AD		 2676{
2677 int r;
2678
d8f60cfc
AD		 2679 /* Allocate ring buffer */
2680 if (rdev->ih.ring_obj == NULL) {
441921d5 2681 r = radeon_bo_create(rdev, rdev->ih.ring_size,
268b2510 2682 PAGE_SIZE, true,
4c788679 2683 RADEON_GEM_DOMAIN_GTT,
40f5cf99 2684 NULL, &rdev->ih.ring_obj);
d8f60cfc
AD		 2685 if (r) {
2686 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
2687 return r;
2688 }
4c788679
JG		 2689 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2690 if (unlikely(r != 0))
2691 return r;
2692 r = radeon_bo_pin(rdev->ih.ring_obj,
2693 RADEON_GEM_DOMAIN_GTT,
2694 &rdev->ih.gpu_addr);
d8f60cfc 2695 if (r) {
4c788679 2696 radeon_bo_unreserve(rdev->ih.ring_obj);
d8f60cfc
AD		 2697 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
2698 return r;
2699 }
4c788679
JG		 2700 r = radeon_bo_kmap(rdev->ih.ring_obj,
2701 (void **)&rdev->ih.ring);
2702 radeon_bo_unreserve(rdev->ih.ring_obj);
d8f60cfc
AD		 2703 if (r) {
2704 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
2705 return r;
2706 }
2707 }
d8f60cfc
AD		 2708 return 0;
2709}
2710
25a857fb 2711void r600_ih_ring_fini(struct radeon_device *rdev)
d8f60cfc 2712{
4c788679 2713 int r;
d8f60cfc 2714 if (rdev->ih.ring_obj) {
4c788679
JG		 2715 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2716 if (likely(r == 0)) {
2717 radeon_bo_kunmap(rdev->ih.ring_obj);
2718 radeon_bo_unpin(rdev->ih.ring_obj);
2719 radeon_bo_unreserve(rdev->ih.ring_obj);
2720 }
2721 radeon_bo_unref(&rdev->ih.ring_obj);
d8f60cfc
AD		 2722 rdev->ih.ring = NULL;
2723 rdev->ih.ring_obj = NULL;
2724 }
2725}
2726
45f9a39b 2727void r600_rlc_stop(struct radeon_device *rdev)
d8f60cfc
AD		 2728{
2729
45f9a39b
AD		 2730 if ((rdev->family >= CHIP_RV770) &&
2731 (rdev->family <= CHIP_RV740)) {
d8f60cfc
AD		 2732 /* r7xx asics need to soft reset RLC before halting */
2733 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
2734 RREG32(SRBM_SOFT_RESET);
4de833c3 2735 mdelay(15);
d8f60cfc
AD		 2736 WREG32(SRBM_SOFT_RESET, 0);
2737 RREG32(SRBM_SOFT_RESET);
2738 }
2739
2740 WREG32(RLC_CNTL, 0);
2741}
2742
2743static void r600_rlc_start(struct radeon_device *rdev)
2744{
2745 WREG32(RLC_CNTL, RLC_ENABLE);
2746}
2747
2748static int r600_rlc_init(struct radeon_device *rdev)
2749{
2750 u32 i;
2751 const __be32 *fw_data;
2752
2753 if (!rdev->rlc_fw)
2754 return -EINVAL;
2755
2756 r600_rlc_stop(rdev);
2757
d8f60cfc 2758 WREG32(RLC_HB_CNTL, 0);
c420c745
AD		 2759
2760 if (rdev->family == CHIP_ARUBA) {
2761 WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
2762 WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
2763 }
2764 if (rdev->family <= CHIP_CAYMAN) {
2765 WREG32(RLC_HB_BASE, 0);
2766 WREG32(RLC_HB_RPTR, 0);
2767 WREG32(RLC_HB_WPTR, 0);
2768 }
12727809
AD		 2769 if (rdev->family <= CHIP_CAICOS) {
2770 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
2771 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
2772 }
d8f60cfc
AD		 2773 WREG32(RLC_MC_CNTL, 0);
2774 WREG32(RLC_UCODE_CNTL, 0);
2775
2776 fw_data = (const __be32 *)rdev->rlc_fw->data;
c420c745
AD		 2777 if (rdev->family >= CHIP_ARUBA) {
2778 for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
2779 WREG32(RLC_UCODE_ADDR, i);
2780 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2781 }
2782 } else if (rdev->family >= CHIP_CAYMAN) {
12727809
AD		 2783 for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
2784 WREG32(RLC_UCODE_ADDR, i);
2785 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2786 }
2787 } else if (rdev->family >= CHIP_CEDAR) {
45f9a39b
AD		 2788 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
2789 WREG32(RLC_UCODE_ADDR, i);
2790 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2791 }
2792 } else if (rdev->family >= CHIP_RV770) {
d8f60cfc
AD		 2793 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
2794 WREG32(RLC_UCODE_ADDR, i);
2795 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2796 }
2797 } else {
2798 for (i = 0; i < RLC_UCODE_SIZE; i++) {
2799 WREG32(RLC_UCODE_ADDR, i);
2800 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2801 }
2802 }
2803 WREG32(RLC_UCODE_ADDR, 0);
2804
2805 r600_rlc_start(rdev);
2806
2807 return 0;
2808}
2809
2810static void r600_enable_interrupts(struct radeon_device *rdev)
2811{
2812 u32 ih_cntl = RREG32(IH_CNTL);
2813 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2814
2815 ih_cntl |= ENABLE_INTR;
2816 ih_rb_cntl |= IH_RB_ENABLE;
2817 WREG32(IH_CNTL, ih_cntl);
2818 WREG32(IH_RB_CNTL, ih_rb_cntl);
2819 rdev->ih.enabled = true;
2820}
2821
45f9a39b 2822void r600_disable_interrupts(struct radeon_device *rdev)
d8f60cfc
AD		 2823{
2824 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2825 u32 ih_cntl = RREG32(IH_CNTL);
2826
2827 ih_rb_cntl &= ~IH_RB_ENABLE;
2828 ih_cntl &= ~ENABLE_INTR;
2829 WREG32(IH_RB_CNTL, ih_rb_cntl);
2830 WREG32(IH_CNTL, ih_cntl);
2831 /* set rptr, wptr to 0 */
2832 WREG32(IH_RB_RPTR, 0);
2833 WREG32(IH_RB_WPTR, 0);
2834 rdev->ih.enabled = false;
d8f60cfc
AD		 2835 rdev->ih.rptr = 0;
2836}
2837
e0df1ac5
AD		 2838static void r600_disable_interrupt_state(struct radeon_device *rdev)
2839{
2840 u32 tmp;
2841
3555e53b 2842 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
e0df1ac5
AD		 2843 WREG32(GRBM_INT_CNTL, 0);
2844 WREG32(DxMODE_INT_MASK, 0);
6f34be50
AD		 2845 WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
2846 WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
e0df1ac5
AD		 2847 if (ASIC_IS_DCE3(rdev)) {
2848 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
2849 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
2850 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2851 WREG32(DC_HPD1_INT_CONTROL, tmp);
2852 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2853 WREG32(DC_HPD2_INT_CONTROL, tmp);
2854 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2855 WREG32(DC_HPD3_INT_CONTROL, tmp);
2856 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2857 WREG32(DC_HPD4_INT_CONTROL, tmp);
2858 if (ASIC_IS_DCE32(rdev)) {
2859 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5898b1f3 2860 WREG32(DC_HPD5_INT_CONTROL, tmp);
e0df1ac5 2861 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5898b1f3 2862 WREG32(DC_HPD6_INT_CONTROL, tmp);
c6543a6e
RM		 2863 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
2864 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
2865 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
2866 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
f122c610
AD		 2867 } else {
2868 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
2869 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
2870 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
2871 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
e0df1ac5
AD		 2872 }
2873 } else {
2874 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2875 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2876 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
5898b1f3 2877 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
e0df1ac5 2878 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
5898b1f3 2879 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
e0df1ac5 2880 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
5898b1f3 2881 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
f122c610
AD		 2882 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
2883 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
2884 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
2885 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
e0df1ac5
AD		 2886 }
2887}
2888
d8f60cfc
AD		 2889int r600_irq_init(struct radeon_device *rdev)
2890{
2891 int ret = 0;
2892 int rb_bufsz;
2893 u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
2894
2895 /* allocate ring */
0c45249f 2896 ret = r600_ih_ring_alloc(rdev);
d8f60cfc
AD		 2897 if (ret)
2898 return ret;
2899
2900 /* disable irqs */
2901 r600_disable_interrupts(rdev);
2902
2903 /* init rlc */
2904 ret = r600_rlc_init(rdev);
2905 if (ret) {
2906 r600_ih_ring_fini(rdev);
2907 return ret;
2908 }
2909
2910 /* setup interrupt control */
2911 /* set dummy read address to ring address */
2912 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
2913 interrupt_cntl = RREG32(INTERRUPT_CNTL);
2914 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
2915 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
2916 */
2917 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
2918 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
2919 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
2920 WREG32(INTERRUPT_CNTL, interrupt_cntl);
2921
2922 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
2923 rb_bufsz = drm_order(rdev->ih.ring_size / 4);
2924
2925 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
2926 IH_WPTR_OVERFLOW_CLEAR |
2927 (rb_bufsz << 1));
724c80e1
AD		 2928
2929 if (rdev->wb.enabled)
2930 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
2931
2932 /* set the writeback address whether it's enabled or not */
2933 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
2934 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
d8f60cfc
AD		 2935
2936 WREG32(IH_RB_CNTL, ih_rb_cntl);
2937
2938 /* set rptr, wptr to 0 */
2939 WREG32(IH_RB_RPTR, 0);
2940 WREG32(IH_RB_WPTR, 0);
2941
2942 /* Default settings for IH_CNTL (disabled at first) */
2943 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
2944 /* RPTR_REARM only works if msi's are enabled */
2945 if (rdev->msi_enabled)
2946 ih_cntl |= RPTR_REARM;
d8f60cfc
AD		 2947 WREG32(IH_CNTL, ih_cntl);
2948
2949 /* force the active interrupt state to all disabled */
45f9a39b
AD		 2950 if (rdev->family >= CHIP_CEDAR)
2951 evergreen_disable_interrupt_state(rdev);
2952 else
2953 r600_disable_interrupt_state(rdev);
d8f60cfc 2954
2099810f
DA		 2955 /* at this point everything should be setup correctly to enable master */
2956 pci_set_master(rdev->pdev);
2957
d8f60cfc
AD		 2958 /* enable irqs */
2959 r600_enable_interrupts(rdev);
2960
2961 return ret;
2962}
2963
0c45249f 2964void r600_irq_suspend(struct radeon_device *rdev)
d8f60cfc 2965{
45f9a39b 2966 r600_irq_disable(rdev);
d8f60cfc 2967 r600_rlc_stop(rdev);
0c45249f
JG		 2968}
2969
2970void r600_irq_fini(struct radeon_device *rdev)
2971{
2972 r600_irq_suspend(rdev);
d8f60cfc
AD		 2973 r600_ih_ring_fini(rdev);
2974}
2975
2976int r600_irq_set(struct radeon_device *rdev)
2977{
e0df1ac5
AD		 2978 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
2979 u32 mode_int = 0;
2980 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
2031f77c 2981 u32 grbm_int_cntl = 0;
f122c610 2982 u32 hdmi0, hdmi1;
6f34be50 2983 u32 d1grph = 0, d2grph = 0;
d8f60cfc 2984
003e69f9 2985 if (!rdev->irq.installed) {
fce7d61b 2986 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
003e69f9
JG		 2987 return -EINVAL;
2988 }
d8f60cfc 2989 /* don't enable anything if the ih is disabled */
79c2bbc5
JG		 2990 if (!rdev->ih.enabled) {
2991 r600_disable_interrupts(rdev);
2992 /* force the active interrupt state to all disabled */
2993 r600_disable_interrupt_state(rdev);
d8f60cfc 2994 return 0;
79c2bbc5 2995 }
d8f60cfc 2996
e0df1ac5
AD		 2997 if (ASIC_IS_DCE3(rdev)) {
2998 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
2999 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3000 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3001 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3002 if (ASIC_IS_DCE32(rdev)) {
3003 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3004 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
c6543a6e
RM		 3005 hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3006 hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
f122c610
AD		 3007 } else {
3008 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3009 hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
e0df1ac5
AD		 3010 }
3011 } else {
3012 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3013 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3014 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
f122c610
AD		 3015 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3016 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
e0df1ac5
AD		 3017 }
3018
736fc37f 3019 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
d8f60cfc
AD		 3020 DRM_DEBUG("r600_irq_set: sw int\n");
3021 cp_int_cntl |= RB_INT_ENABLE;
d0f8a854 3022 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
d8f60cfc 3023 }
6f34be50 3024 if (rdev->irq.crtc_vblank_int[0] ||
736fc37f 3025 atomic_read(&rdev->irq.pflip[0])) {
d8f60cfc
AD		 3026 DRM_DEBUG("r600_irq_set: vblank 0\n");
3027 mode_int |= D1MODE_VBLANK_INT_MASK;
3028 }
6f34be50 3029 if (rdev->irq.crtc_vblank_int[1] ||
736fc37f 3030 atomic_read(&rdev->irq.pflip[1])) {
d8f60cfc
AD		 3031 DRM_DEBUG("r600_irq_set: vblank 1\n");
3032 mode_int |= D2MODE_VBLANK_INT_MASK;
3033 }
e0df1ac5
AD		 3034 if (rdev->irq.hpd[0]) {
3035 DRM_DEBUG("r600_irq_set: hpd 1\n");
3036 hpd1 |= DC_HPDx_INT_EN;
3037 }
3038 if (rdev->irq.hpd[1]) {
3039 DRM_DEBUG("r600_irq_set: hpd 2\n");
3040 hpd2 |= DC_HPDx_INT_EN;
3041 }
3042 if (rdev->irq.hpd[2]) {
3043 DRM_DEBUG("r600_irq_set: hpd 3\n");
3044 hpd3 |= DC_HPDx_INT_EN;
3045 }
3046 if (rdev->irq.hpd[3]) {
3047 DRM_DEBUG("r600_irq_set: hpd 4\n");
3048 hpd4 |= DC_HPDx_INT_EN;
3049 }
3050 if (rdev->irq.hpd[4]) {
3051 DRM_DEBUG("r600_irq_set: hpd 5\n");
3052 hpd5 |= DC_HPDx_INT_EN;
3053 }
3054 if (rdev->irq.hpd[5]) {
3055 DRM_DEBUG("r600_irq_set: hpd 6\n");
3056 hpd6 |= DC_HPDx_INT_EN;
3057 }
f122c610
AD		 3058 if (rdev->irq.afmt[0]) {
3059 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3060 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
f2594933 3061 }
f122c610
AD		 3062 if (rdev->irq.afmt[1]) {
3063 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3064 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
f2594933 3065 }
2031f77c
AD		 3066 if (rdev->irq.gui_idle) {
3067 DRM_DEBUG("gui idle\n");
3068 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
3069 }
d8f60cfc
AD		 3070
3071 WREG32(CP_INT_CNTL, cp_int_cntl);
3072 WREG32(DxMODE_INT_MASK, mode_int);
6f34be50
AD		 3073 WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
3074 WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
2031f77c 3075 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
e0df1ac5
AD		 3076 if (ASIC_IS_DCE3(rdev)) {
3077 WREG32(DC_HPD1_INT_CONTROL, hpd1);
3078 WREG32(DC_HPD2_INT_CONTROL, hpd2);
3079 WREG32(DC_HPD3_INT_CONTROL, hpd3);
3080 WREG32(DC_HPD4_INT_CONTROL, hpd4);
3081 if (ASIC_IS_DCE32(rdev)) {
3082 WREG32(DC_HPD5_INT_CONTROL, hpd5);
3083 WREG32(DC_HPD6_INT_CONTROL, hpd6);
c6543a6e
RM		 3084 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
3085 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
f122c610
AD		 3086 } else {
3087 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3088 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
e0df1ac5
AD		 3089 }
3090 } else {
3091 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3092 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3093 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
f122c610
AD		 3094 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3095 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
e0df1ac5 3096 }
d8f60cfc
AD		 3097
3098 return 0;
3099}
3100
ce580fab 3101static void r600_irq_ack(struct radeon_device *rdev)
d8f60cfc 3102{
e0df1ac5
AD		 3103 u32 tmp;
3104
3105 if (ASIC_IS_DCE3(rdev)) {
6f34be50
AD		 3106 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3107 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3108 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
f122c610 3109 if (ASIC_IS_DCE32(rdev)) {
c6543a6e
RM		 3110 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
3111 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
f122c610
AD		 3112 } else {
3113 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3114 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
3115 }
e0df1ac5 3116 } else {
6f34be50
AD		 3117 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3118 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3119 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
f122c610
AD		 3120 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3121 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
6f34be50
AD		 3122 }
3123 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3124 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3125
3126 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3127 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3128 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3129 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3130 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
d8f60cfc 3131 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
6f34be50 3132 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
d8f60cfc 3133 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
6f34be50 3134 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
d8f60cfc 3135 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
6f34be50 3136 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
d8f60cfc 3137 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
6f34be50 3138 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
e0df1ac5
AD		 3139 if (ASIC_IS_DCE3(rdev)) {
3140 tmp = RREG32(DC_HPD1_INT_CONTROL);
3141 tmp |= DC_HPDx_INT_ACK;
3142 WREG32(DC_HPD1_INT_CONTROL, tmp);
3143 } else {
3144 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3145 tmp |= DC_HPDx_INT_ACK;
3146 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3147 }
3148 }
6f34be50 3149 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
e0df1ac5
AD		 3150 if (ASIC_IS_DCE3(rdev)) {
3151 tmp = RREG32(DC_HPD2_INT_CONTROL);
3152 tmp |= DC_HPDx_INT_ACK;
3153 WREG32(DC_HPD2_INT_CONTROL, tmp);
3154 } else {
3155 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3156 tmp |= DC_HPDx_INT_ACK;
3157 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3158 }
3159 }
6f34be50 3160 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
e0df1ac5
AD		 3161 if (ASIC_IS_DCE3(rdev)) {
3162 tmp = RREG32(DC_HPD3_INT_CONTROL);
3163 tmp |= DC_HPDx_INT_ACK;
3164 WREG32(DC_HPD3_INT_CONTROL, tmp);
3165 } else {
3166 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3167 tmp |= DC_HPDx_INT_ACK;
3168 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3169 }
3170 }
6f34be50 3171 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
e0df1ac5
AD		 3172 tmp = RREG32(DC_HPD4_INT_CONTROL);
3173 tmp |= DC_HPDx_INT_ACK;
3174 WREG32(DC_HPD4_INT_CONTROL, tmp);
3175 }
3176 if (ASIC_IS_DCE32(rdev)) {
6f34be50 3177 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
e0df1ac5
AD		 3178 tmp = RREG32(DC_HPD5_INT_CONTROL);
3179 tmp |= DC_HPDx_INT_ACK;
3180 WREG32(DC_HPD5_INT_CONTROL, tmp);
3181 }
6f34be50 3182 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
e0df1ac5
AD		 3183 tmp = RREG32(DC_HPD5_INT_CONTROL);
3184 tmp |= DC_HPDx_INT_ACK;
3185 WREG32(DC_HPD6_INT_CONTROL, tmp);
3186 }
f122c610 3187 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
c6543a6e 3188 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
f122c610 3189 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
c6543a6e 3190 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
f122c610
AD		 3191 }
3192 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
c6543a6e 3193 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
f122c610 3194 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
c6543a6e 3195 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
f2594933
CK		 3196 }
3197 } else {
f122c610
AD		 3198 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
3199 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
3200 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3201 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3202 }
3203 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
3204 if (ASIC_IS_DCE3(rdev)) {
3205 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
3206 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3207 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3208 } else {
3209 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
3210 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3211 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3212 }
f2594933
CK		 3213 }
3214 }
d8f60cfc
AD		 3215}
3216
3217void r600_irq_disable(struct radeon_device *rdev)
3218{
d8f60cfc
AD		 3219 r600_disable_interrupts(rdev);
3220 /* Wait and acknowledge irq */
3221 mdelay(1);
6f34be50 3222 r600_irq_ack(rdev);
e0df1ac5 3223 r600_disable_interrupt_state(rdev);
d8f60cfc
AD		 3224}
3225
ce580fab 3226static u32 r600_get_ih_wptr(struct radeon_device *rdev)
d8f60cfc
AD		 3227{
3228 u32 wptr, tmp;
3ce0a23d 3229
724c80e1 3230 if (rdev->wb.enabled)
204ae24d 3231 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
724c80e1
AD		 3232 else
3233 wptr = RREG32(IH_RB_WPTR);
3ce0a23d 3234
d8f60cfc 3235 if (wptr & RB_OVERFLOW) {
7924e5eb
JG		 3236 /* When a ring buffer overflow happen start parsing interrupt
3237 * from the last not overwritten vector (wptr + 16). Hopefully
3238 * this should allow us to catchup.
3239 */
3240 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
3241 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
3242 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
d8f60cfc
AD		 3243 tmp = RREG32(IH_RB_CNTL);
3244 tmp |= IH_WPTR_OVERFLOW_CLEAR;
3245 WREG32(IH_RB_CNTL, tmp);
3246 }
0c45249f 3247 return (wptr & rdev->ih.ptr_mask);
d8f60cfc 3248}
3ce0a23d 3249
d8f60cfc
AD		 3250/* r600 IV Ring
3251 * Each IV ring entry is 128 bits:
3252 * [7:0] - interrupt source id
3253 * [31:8] - reserved
3254 * [59:32] - interrupt source data
3255 * [127:60] - reserved
3256 *
3257 * The basic interrupt vector entries
3258 * are decoded as follows:
3259 * src_id src_data description
3260 * 1 0 D1 Vblank
3261 * 1 1 D1 Vline
3262 * 5 0 D2 Vblank
3263 * 5 1 D2 Vline
3264 * 19 0 FP Hot plug detection A
3265 * 19 1 FP Hot plug detection B
3266 * 19 2 DAC A auto-detection
3267 * 19 3 DAC B auto-detection
f2594933
CK		 3268 * 21 4 HDMI block A
3269 * 21 5 HDMI block B
d8f60cfc
AD		 3270 * 176 - CP_INT RB
3271 * 177 - CP_INT IB1
3272 * 178 - CP_INT IB2
3273 * 181 - EOP Interrupt
3274 * 233 - GUI Idle
3275 *
3276 * Note, these are based on r600 and may need to be
3277 * adjusted or added to on newer asics
3278 */
3279
3280int r600_irq_process(struct radeon_device *rdev)
3281{
682f1a54
DA		 3282 u32 wptr;
3283 u32 rptr;
d8f60cfc 3284 u32 src_id, src_data;
6f34be50 3285 u32 ring_index;
d4877cf2 3286 bool queue_hotplug = false;
f122c610 3287 bool queue_hdmi = false;
d8f60cfc 3288
682f1a54 3289 if (!rdev->ih.enabled || rdev->shutdown)
79c2bbc5 3290 return IRQ_NONE;
d8f60cfc 3291
f6a56939
BH		 3292 /* No MSIs, need a dummy read to flush PCI DMAs */
3293 if (!rdev->msi_enabled)
3294 RREG32(IH_RB_WPTR);
3295
682f1a54 3296 wptr = r600_get_ih_wptr(rdev);
d8f60cfc 3297
c20dc369
CK		 3298restart_ih:
3299 /* is somebody else already processing irqs? */
3300 if (atomic_xchg(&rdev->ih.lock, 1))
d8f60cfc 3301 return IRQ_NONE;
d8f60cfc 3302
c20dc369
CK		 3303 rptr = rdev->ih.rptr;
3304 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
3305
964f6645
BH		 3306 /* Order reading of wptr vs. reading of IH ring data */
3307 rmb();
3308
d8f60cfc 3309 /* display interrupts */
6f34be50 3310 r600_irq_ack(rdev);
d8f60cfc 3311
d8f60cfc
AD		 3312 while (rptr != wptr) {
3313 /* wptr/rptr are in bytes! */
3314 ring_index = rptr / 4;
4eace7fd
CC		 3315 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
3316 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
d8f60cfc
AD		 3317
3318 switch (src_id) {
3319 case 1: /* D1 vblank/vline */
3320 switch (src_data) {
3321 case 0: /* D1 vblank */
6f34be50 3322 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
6f34be50
AD		 3323 if (rdev->irq.crtc_vblank_int[0]) {
3324 drm_handle_vblank(rdev->ddev, 0);
3325 rdev->pm.vblank_sync = true;
3326 wake_up(&rdev->irq.vblank_queue);
3327 }
736fc37f 3328 if (atomic_read(&rdev->irq.pflip[0]))
3e4ea742 3329 radeon_crtc_handle_flip(rdev, 0);
6f34be50 3330 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
d8f60cfc
AD		 3331 DRM_DEBUG("IH: D1 vblank\n");
3332 }
3333 break;
3334 case 1: /* D1 vline */
6f34be50
AD		 3335 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
3336 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
d8f60cfc
AD		 3337 DRM_DEBUG("IH: D1 vline\n");
3338 }
3339 break;
3340 default:
b042589c 3341 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
d8f60cfc
AD		 3342 break;
3343 }
3344 break;
3345 case 5: /* D2 vblank/vline */
3346 switch (src_data) {
3347 case 0: /* D2 vblank */
6f34be50 3348 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
6f34be50
AD		 3349 if (rdev->irq.crtc_vblank_int[1]) {
3350 drm_handle_vblank(rdev->ddev, 1);
3351 rdev->pm.vblank_sync = true;
3352 wake_up(&rdev->irq.vblank_queue);
3353 }
736fc37f 3354 if (atomic_read(&rdev->irq.pflip[1]))
3e4ea742 3355 radeon_crtc_handle_flip(rdev, 1);
6f34be50 3356 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
d8f60cfc
AD		 3357 DRM_DEBUG("IH: D2 vblank\n");
3358 }
3359 break;
3360 case 1: /* D1 vline */
6f34be50
AD		 3361 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
3362 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
d8f60cfc
AD		 3363 DRM_DEBUG("IH: D2 vline\n");
3364 }
3365 break;
3366 default:
b042589c 3367 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
d8f60cfc
AD		 3368 break;
3369 }
3370 break;
e0df1ac5
AD		 3371 case 19: /* HPD/DAC hotplug */
3372 switch (src_data) {
3373 case 0:
6f34be50
AD		 3374 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3375 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
d4877cf2
AD		 3376 queue_hotplug = true;
3377 DRM_DEBUG("IH: HPD1\n");
e0df1ac5
AD		 3378 }
3379 break;
3380 case 1:
6f34be50
AD		 3381 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3382 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
d4877cf2
AD		 3383 queue_hotplug = true;
3384 DRM_DEBUG("IH: HPD2\n");
e0df1ac5
AD		 3385 }
3386 break;
3387 case 4:
6f34be50
AD		 3388 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3389 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
d4877cf2
AD		 3390 queue_hotplug = true;
3391 DRM_DEBUG("IH: HPD3\n");
e0df1ac5
AD		 3392 }
3393 break;
3394 case 5:
6f34be50
AD		 3395 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3396 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
d4877cf2
AD		 3397 queue_hotplug = true;
3398 DRM_DEBUG("IH: HPD4\n");
e0df1ac5
AD		 3399 }
3400 break;
3401 case 10:
6f34be50
AD		 3402 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3403 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
d4877cf2
AD		 3404 queue_hotplug = true;
3405 DRM_DEBUG("IH: HPD5\n");
e0df1ac5
AD		 3406 }
3407 break;
3408 case 12:
6f34be50
AD		 3409 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3410 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
d4877cf2
AD		 3411 queue_hotplug = true;
3412 DRM_DEBUG("IH: HPD6\n");
e0df1ac5
AD		 3413 }
3414 break;
3415 default:
b042589c 3416 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
e0df1ac5
AD		 3417 break;
3418 }
3419 break;
f122c610
AD		 3420 case 21: /* hdmi */
3421 switch (src_data) {
3422 case 4:
3423 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
3424 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
3425 queue_hdmi = true;
3426 DRM_DEBUG("IH: HDMI0\n");
3427 }
3428 break;
3429 case 5:
3430 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
3431 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
3432 queue_hdmi = true;
3433 DRM_DEBUG("IH: HDMI1\n");
3434 }
3435 break;
3436 default:
3437 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
3438 break;
3439 }
f2594933 3440 break;
d8f60cfc
AD		 3441 case 176: /* CP_INT in ring buffer */
3442 case 177: /* CP_INT in IB1 */
3443 case 178: /* CP_INT in IB2 */
3444 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
7465280c 3445 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
d8f60cfc
AD		 3446 break;
3447 case 181: /* CP EOP event */
3448 DRM_DEBUG("IH: CP EOP\n");
7465280c 3449 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
d8f60cfc 3450 break;
2031f77c 3451 case 233: /* GUI IDLE */
303c805c 3452 DRM_DEBUG("IH: GUI idle\n");
2031f77c
AD		 3453 wake_up(&rdev->irq.idle_queue);
3454 break;
d8f60cfc 3455 default:
b042589c 3456 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
d8f60cfc
AD		 3457 break;
3458 }
3459
3460 /* wptr/rptr are in bytes! */
0c45249f
JG		 3461 rptr += 16;
3462 rptr &= rdev->ih.ptr_mask;
d8f60cfc 3463 }
d4877cf2 3464 if (queue_hotplug)
32c87fca 3465 schedule_work(&rdev->hotplug_work);
f122c610
AD		 3466 if (queue_hdmi)
3467 schedule_work(&rdev->audio_work);
d8f60cfc
AD		 3468 rdev->ih.rptr = rptr;
3469 WREG32(IH_RB_RPTR, rdev->ih.rptr);
c20dc369
CK		 3470 atomic_set(&rdev->ih.lock, 0);
3471
3472 /* make sure wptr hasn't changed while processing */
3473 wptr = r600_get_ih_wptr(rdev);
3474 if (wptr != rptr)
3475 goto restart_ih;
3476
d8f60cfc
AD		 3477 return IRQ_HANDLED;
3478}
3ce0a23d
JG		 3479
3480/*
3481 * Debugfs info
3482 */
3483#if defined(CONFIG_DEBUG_FS)
3484
3ce0a23d
JG		 3485static int r600_debugfs_mc_info(struct seq_file *m, void *data)
3486{
3487 struct drm_info_node *node = (struct drm_info_node *) m->private;
3488 struct drm_device *dev = node->minor->dev;
3489 struct radeon_device *rdev = dev->dev_private;
3490
3491 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
3492 DREG32_SYS(m, rdev, VM_L2_STATUS);
3493 return 0;
3494}
3495
3496static struct drm_info_list r600_mc_info_list[] = {
3497 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
3ce0a23d
JG		 3498};
3499#endif
3500
3501int r600_debugfs_mc_info_init(struct radeon_device *rdev)
3502{
3503#if defined(CONFIG_DEBUG_FS)
3504 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
3505#else
3506 return 0;
3507#endif
771fe6b9 3508}
062b389c
JG		 3509
3510/**
3511 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
3512 * rdev: radeon device structure
3513 * bo: buffer object struct which userspace is waiting for idle
3514 *
3515 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
3516 * through ring buffer, this leads to corruption in rendering, see
3517 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
3518 * directly perform HDP flush by writing register through MMIO.
3519 */
3520void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
3521{
812d0469 3522 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
f3886f85
AD		 3523 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
3524 * This seems to cause problems on some AGP cards. Just use the old
3525 * method for them.
812d0469 3526 */
e488459a 3527 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
f3886f85 3528 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
87cbf8f2 3529 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
812d0469
AD		 3530 u32 tmp;
3531
3532 WREG32(HDP_DEBUG1, 0);
3533 tmp = readl((void __iomem *)ptr);
3534 } else
3535 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
062b389c 3536}
3313e3d4
AD		 3537
3538void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
3539{
3540 u32 link_width_cntl, mask, target_reg;
3541
3542 if (rdev->flags & RADEON_IS_IGP)
3543 return;
3544
3545 if (!(rdev->flags & RADEON_IS_PCIE))
3546 return;
3547
3548 /* x2 cards have a special sequence */
3549 if (ASIC_IS_X2(rdev))
3550 return;
3551
3552 /* FIXME wait for idle */
3553
3554 switch (lanes) {
3555 case 0:
3556 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
3557 break;
3558 case 1:
3559 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
3560 break;
3561 case 2:
3562 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
3563 break;
3564 case 4:
3565 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
3566 break;
3567 case 8:
3568 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
3569 break;
3570 case 12:
3571 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
3572 break;
3573 case 16:
3574 default:
3575 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
3576 break;
3577 }
3578
3579 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3580
3581 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
3582 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
3583 return;
3584
3585 if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS)
3586 return;
3587
3588 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
3589 RADEON_PCIE_LC_RECONFIG_NOW |
3590 R600_PCIE_LC_RENEGOTIATE_EN |
3591 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
3592 link_width_cntl |= mask;
3593
3594 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3595
3596 /* some northbridges can renegotiate the link rather than requiring
3597 * a complete re-config.
3598 * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.)
3599 */
3600 if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT)
3601 link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT;
3602 else
3603 link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE;
3604
3605 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
3606 RADEON_PCIE_LC_RECONFIG_NOW));
3607
3608 if (rdev->family >= CHIP_RV770)
3609 target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX;
3610 else
3611 target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX;
3612
3613 /* wait for lane set to complete */
3614 link_width_cntl = RREG32(target_reg);
3615 while (link_width_cntl == 0xffffffff)
3616 link_width_cntl = RREG32(target_reg);
3617
3618}
3619
3620int r600_get_pcie_lanes(struct radeon_device *rdev)
3621{
3622 u32 link_width_cntl;
3623
3624 if (rdev->flags & RADEON_IS_IGP)
3625 return 0;
3626
3627 if (!(rdev->flags & RADEON_IS_PCIE))
3628 return 0;
3629
3630 /* x2 cards have a special sequence */
3631 if (ASIC_IS_X2(rdev))
3632 return 0;
3633
3634 /* FIXME wait for idle */
3635
3636 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3637
3638 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
3639 case RADEON_PCIE_LC_LINK_WIDTH_X0:
3640 return 0;
3641 case RADEON_PCIE_LC_LINK_WIDTH_X1:
3642 return 1;
3643 case RADEON_PCIE_LC_LINK_WIDTH_X2:
3644 return 2;
3645 case RADEON_PCIE_LC_LINK_WIDTH_X4:
3646 return 4;
3647 case RADEON_PCIE_LC_LINK_WIDTH_X8:
3648 return 8;
3649 case RADEON_PCIE_LC_LINK_WIDTH_X16:
3650 default:
3651 return 16;
3652 }
3653}
3654
9e46a48d
AD		 3655static void r600_pcie_gen2_enable(struct radeon_device *rdev)
3656{
3657 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
3658 u16 link_cntl2;
3659
d42dd579
AD		 3660 if (radeon_pcie_gen2 == 0)
3661 return;
3662
9e46a48d
AD		 3663 if (rdev->flags & RADEON_IS_IGP)
3664 return;
3665
3666 if (!(rdev->flags & RADEON_IS_PCIE))
3667 return;
3668
3669 /* x2 cards have a special sequence */
3670 if (ASIC_IS_X2(rdev))
3671 return;
3672
3673 /* only RV6xx+ chips are supported */
3674 if (rdev->family <= CHIP_R600)
3675 return;
3676
3677 /* 55 nm r6xx asics */
3678 if ((rdev->family == CHIP_RV670) ||
3679 (rdev->family == CHIP_RV620) ||
3680 (rdev->family == CHIP_RV635)) {
3681 /* advertise upconfig capability */
3682 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3683 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3684 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3685 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3686 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
3687 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
3688 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
3689 LC_RECONFIG_ARC_MISSING_ESCAPE);
3690 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
3691 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3692 } else {
3693 link_width_cntl |= LC_UPCONFIGURE_DIS;
3694 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3695 }
3696 }
3697
3698 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3699 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3700 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3701
3702 /* 55 nm r6xx asics */
3703 if ((rdev->family == CHIP_RV670) ||
3704 (rdev->family == CHIP_RV620) ||
3705 (rdev->family == CHIP_RV635)) {
3706 WREG32(MM_CFGREGS_CNTL, 0x8);
3707 link_cntl2 = RREG32(0x4088);
3708 WREG32(MM_CFGREGS_CNTL, 0);
3709 /* not supported yet */
3710 if (link_cntl2 & SELECTABLE_DEEMPHASIS)
3711 return;
3712 }
3713
3714 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
3715 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
3716 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
3717 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
3718 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
3719 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3720
3721 tmp = RREG32(0x541c);
3722 WREG32(0x541c, tmp | 0x8);
3723 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
3724 link_cntl2 = RREG16(0x4088);
3725 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
3726 link_cntl2 |= 0x2;
3727 WREG16(0x4088, link_cntl2);
3728 WREG32(MM_CFGREGS_CNTL, 0);
3729
3730 if ((rdev->family == CHIP_RV670) ||
3731 (rdev->family == CHIP_RV620) ||
3732 (rdev->family == CHIP_RV635)) {
3733 training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL);
3734 training_cntl &= ~LC_POINT_7_PLUS_EN;
3735 WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl);
3736 } else {
3737 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3738 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3739 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3740 }
3741
3742 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3743 speed_cntl |= LC_GEN2_EN_STRAP;
3744 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3745
3746 } else {
3747 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3748 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3749 if (1)
3750 link_width_cntl |= LC_UPCONFIGURE_DIS;
3751 else
3752 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3753 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3754 }
3755}
Linux 6.x block layer and io_uring tree(s)