blob: 089c9ffb0aa95e8e47c964f190b07e0e8fe93c32 [file] [log] [blame]
Jerome Glisse771fe6b2009-06-05 14:42:42 +02001/*
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 */
David Howells760285e2012-10-02 18:01:07 +010028#include <drm/drmP.h>
29#include <drm/drm_crtc_helper.h>
30#include <drm/radeon_drm.h>
Jerome Glisse771fe6b2009-06-05 14:42:42 +020031#include "radeon_reg.h"
Jerome Glisse771fe6b2009-06-05 14:42:42 +020032#include "radeon.h"
33#include "atom.h"
34
Dave Airlie10ebc0b2012-09-17 14:40:31 +100035#include <linux/pm_runtime.h>
36
Christian Koenigfb982572012-05-17 01:33:30 +020037#define RADEON_WAIT_IDLE_TIMEOUT 200
38
Alex Deucherb73ba982012-07-17 14:02:35 -040039/**
40 * radeon_driver_irq_handler_kms - irq handler for KMS
41 *
Daniel Vettere9f0d762013-12-11 11:34:42 +010042 * @int irq, void *arg: args
Alex Deucherb73ba982012-07-17 14:02:35 -040043 *
44 * This is the irq handler for the radeon KMS driver (all asics).
45 * radeon_irq_process is a macro that points to the per-asic
46 * irq handler callback.
47 */
Daniel Vettere9f0d762013-12-11 11:34:42 +010048irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg)
Jerome Glisse771fe6b2009-06-05 14:42:42 +020049{
50 struct drm_device *dev = (struct drm_device *) arg;
51 struct radeon_device *rdev = dev->dev_private;
Dave Airlie10ebc0b2012-09-17 14:40:31 +100052 irqreturn_t ret;
Jerome Glisse771fe6b2009-06-05 14:42:42 +020053
Dave Airlie10ebc0b2012-09-17 14:40:31 +100054 ret = radeon_irq_process(rdev);
55 if (ret == IRQ_HANDLED)
56 pm_runtime_mark_last_busy(dev->dev);
57 return ret;
Jerome Glisse771fe6b2009-06-05 14:42:42 +020058}
59
Alex Deucherd4877cf2009-12-04 16:56:37 -050060/*
61 * Handle hotplug events outside the interrupt handler proper.
62 */
Alex Deucherb73ba982012-07-17 14:02:35 -040063/**
64 * radeon_hotplug_work_func - display hotplug work handler
65 *
66 * @work: work struct
67 *
68 * This is the hot plug event work handler (all asics).
69 * The work gets scheduled from the irq handler if there
70 * was a hot plug interrupt. It walks the connector table
71 * and calls the hotplug handler for each one, then sends
72 * a drm hotplug event to alert userspace.
73 */
Alex Deucherd4877cf2009-12-04 16:56:37 -050074static void radeon_hotplug_work_func(struct work_struct *work)
75{
76 struct radeon_device *rdev = container_of(work, struct radeon_device,
77 hotplug_work);
78 struct drm_device *dev = rdev->ddev;
79 struct drm_mode_config *mode_config = &dev->mode_config;
80 struct drm_connector *connector;
81
82 if (mode_config->num_connector) {
83 list_for_each_entry(connector, &mode_config->connector_list, head)
84 radeon_connector_hotplug(connector);
85 }
86 /* Just fire off a uevent and let userspace tell us what to do */
Dave Airlieeb1f8e42010-05-07 06:42:51 +000087 drm_helper_hpd_irq_event(dev);
Alex Deucherd4877cf2009-12-04 16:56:37 -050088}
89
Alex Deucherb73ba982012-07-17 14:02:35 -040090/**
Alex Deucher8f61b342013-06-14 09:13:52 -040091 * radeon_irq_reset_work_func - execute gpu reset
92 *
93 * @work: work struct
94 *
95 * Execute scheduled gpu reset (cayman+).
96 * This function is called when the irq handler
97 * thinks we need a gpu reset.
98 */
99static void radeon_irq_reset_work_func(struct work_struct *work)
100{
101 struct radeon_device *rdev = container_of(work, struct radeon_device,
102 reset_work);
103
104 radeon_gpu_reset(rdev);
105}
106
107/**
Alex Deucherb73ba982012-07-17 14:02:35 -0400108 * radeon_driver_irq_preinstall_kms - drm irq preinstall callback
109 *
110 * @dev: drm dev pointer
111 *
112 * Gets the hw ready to enable irqs (all asics).
113 * This function disables all interrupt sources on the GPU.
114 */
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200115void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
116{
117 struct radeon_device *rdev = dev->dev_private;
Christian Koenigfb982572012-05-17 01:33:30 +0200118 unsigned long irqflags;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200119 unsigned i;
120
Christian Koenigfb982572012-05-17 01:33:30 +0200121 spin_lock_irqsave(&rdev->irq.lock, irqflags);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200122 /* Disable *all* interrupts */
Alex Deucher1b370782011-11-17 20:13:28 -0500123 for (i = 0; i < RADEON_NUM_RINGS; i++)
Christian Koenig736fc372012-05-17 19:52:00 +0200124 atomic_set(&rdev->irq.ring_int[i], 0);
Alex Deucher4a6369e2013-04-12 14:04:10 -0400125 rdev->irq.dpm_thermal = false;
Ilija Hadzic54bd52062011-10-26 15:43:58 -0400126 for (i = 0; i < RADEON_MAX_HPD_PINS; i++)
Alex Deucher9e7b4142010-03-16 17:08:06 -0400127 rdev->irq.hpd[i] = false;
Ilija Hadzic54bd52062011-10-26 15:43:58 -0400128 for (i = 0; i < RADEON_MAX_CRTCS; i++) {
129 rdev->irq.crtc_vblank_int[i] = false;
Christian Koenig736fc372012-05-17 19:52:00 +0200130 atomic_set(&rdev->irq.pflip[i], 0);
Alex Deucherf122c612012-03-30 08:59:57 -0400131 rdev->irq.afmt[i] = false;
Alex Deucher6f34be52010-11-21 10:59:01 -0500132 }
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200133 radeon_irq_set(rdev);
Christian Koenigfb982572012-05-17 01:33:30 +0200134 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200135 /* Clear bits */
136 radeon_irq_process(rdev);
137}
138
Alex Deucherb73ba982012-07-17 14:02:35 -0400139/**
140 * radeon_driver_irq_postinstall_kms - drm irq preinstall callback
141 *
142 * @dev: drm dev pointer
143 *
144 * Handles stuff to be done after enabling irqs (all asics).
145 * Returns 0 on success.
146 */
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200147int radeon_driver_irq_postinstall_kms(struct drm_device *dev)
148{
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200149 dev->max_vblank_count = 0x001fffff;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200150 return 0;
151}
152
Alex Deucherb73ba982012-07-17 14:02:35 -0400153/**
154 * radeon_driver_irq_uninstall_kms - drm irq uninstall callback
155 *
156 * @dev: drm dev pointer
157 *
158 * This function disables all interrupt sources on the GPU (all asics).
159 */
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200160void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
161{
162 struct radeon_device *rdev = dev->dev_private;
Christian Koenigfb982572012-05-17 01:33:30 +0200163 unsigned long irqflags;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200164 unsigned i;
165
166 if (rdev == NULL) {
167 return;
168 }
Christian Koenigfb982572012-05-17 01:33:30 +0200169 spin_lock_irqsave(&rdev->irq.lock, irqflags);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200170 /* Disable *all* interrupts */
Alex Deucher1b370782011-11-17 20:13:28 -0500171 for (i = 0; i < RADEON_NUM_RINGS; i++)
Christian Koenig736fc372012-05-17 19:52:00 +0200172 atomic_set(&rdev->irq.ring_int[i], 0);
Alex Deucher4a6369e2013-04-12 14:04:10 -0400173 rdev->irq.dpm_thermal = false;
Ilija Hadzic54bd52062011-10-26 15:43:58 -0400174 for (i = 0; i < RADEON_MAX_HPD_PINS; i++)
Jerome Glisse003e69f2010-01-07 15:39:14 +0100175 rdev->irq.hpd[i] = false;
Ilija Hadzic54bd52062011-10-26 15:43:58 -0400176 for (i = 0; i < RADEON_MAX_CRTCS; i++) {
177 rdev->irq.crtc_vblank_int[i] = false;
Christian Koenig736fc372012-05-17 19:52:00 +0200178 atomic_set(&rdev->irq.pflip[i], 0);
Alex Deucherf122c612012-03-30 08:59:57 -0400179 rdev->irq.afmt[i] = false;
Alex Deucher6f34be52010-11-21 10:59:01 -0500180 }
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200181 radeon_irq_set(rdev);
Christian Koenigfb982572012-05-17 01:33:30 +0200182 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200183}
184
Alex Deucherb73ba982012-07-17 14:02:35 -0400185/**
186 * radeon_msi_ok - asic specific msi checks
187 *
188 * @rdev: radeon device pointer
189 *
190 * Handles asic specific MSI checks to determine if
191 * MSIs should be enabled on a particular chip (all asics).
192 * Returns true if MSIs should be enabled, false if MSIs
193 * should not be enabled.
194 */
Alex Deucher8f6c25c2011-10-25 14:58:49 -0400195static bool radeon_msi_ok(struct radeon_device *rdev)
196{
197 /* RV370/RV380 was first asic with MSI support */
198 if (rdev->family < CHIP_RV380)
199 return false;
200
201 /* MSIs don't work on AGP */
202 if (rdev->flags & RADEON_IS_AGP)
203 return false;
204
Alex Deuchera18cee12011-11-01 14:20:30 -0400205 /* force MSI on */
206 if (radeon_msi == 1)
207 return true;
208 else if (radeon_msi == 0)
209 return false;
210
Alex Deucherb3621052011-10-25 15:11:08 -0400211 /* Quirks */
212 /* HP RS690 only seems to work with MSIs. */
213 if ((rdev->pdev->device == 0x791f) &&
214 (rdev->pdev->subsystem_vendor == 0x103c) &&
215 (rdev->pdev->subsystem_device == 0x30c2))
216 return true;
217
Alex Deucher01e718e2011-11-01 14:14:18 -0400218 /* Dell RS690 only seems to work with MSIs. */
219 if ((rdev->pdev->device == 0x791f) &&
220 (rdev->pdev->subsystem_vendor == 0x1028) &&
Alex Deucher44517c42012-01-15 08:51:12 -0500221 (rdev->pdev->subsystem_device == 0x01fc))
222 return true;
223
224 /* Dell RS690 only seems to work with MSIs. */
225 if ((rdev->pdev->device == 0x791f) &&
226 (rdev->pdev->subsystem_vendor == 0x1028) &&
Alex Deucher01e718e2011-11-01 14:14:18 -0400227 (rdev->pdev->subsystem_device == 0x01fd))
228 return true;
229
Alex Deucher3a6d59d2012-09-26 12:31:45 -0400230 /* Gateway RS690 only seems to work with MSIs. */
231 if ((rdev->pdev->device == 0x791f) &&
232 (rdev->pdev->subsystem_vendor == 0x107b) &&
233 (rdev->pdev->subsystem_device == 0x0185))
234 return true;
235
Alex Deucherfb6ca6d2012-09-26 12:40:45 -0400236 /* try and enable MSIs by default on all RS690s */
237 if (rdev->family == CHIP_RS690)
238 return true;
239
Dave Airlie16a5e322012-04-13 11:14:50 +0100240 /* RV515 seems to have MSI issues where it loses
241 * MSI rearms occasionally. This leads to lockups and freezes.
242 * disable it by default.
243 */
244 if (rdev->family == CHIP_RV515)
245 return false;
Alex Deucher8f6c25c2011-10-25 14:58:49 -0400246 if (rdev->flags & RADEON_IS_IGP) {
247 /* APUs work fine with MSIs */
248 if (rdev->family >= CHIP_PALM)
249 return true;
250 /* lots of IGPs have problems with MSIs */
251 return false;
252 }
253
254 return true;
255}
256
Alex Deucherb73ba982012-07-17 14:02:35 -0400257/**
258 * radeon_irq_kms_init - init driver interrupt info
259 *
260 * @rdev: radeon device pointer
261 *
262 * Sets up the work irq handlers, vblank init, MSIs, etc. (all asics).
263 * Returns 0 for success, error for failure.
264 */
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200265int radeon_irq_kms_init(struct radeon_device *rdev)
266{
267 int r = 0;
268
Christian Koenigfb982572012-05-17 01:33:30 +0200269 spin_lock_init(&rdev->irq.lock);
Alex Deucher9e7b4142010-03-16 17:08:06 -0400270 r = drm_vblank_init(rdev->ddev, rdev->num_crtc);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200271 if (r) {
272 return r;
273 }
Alex Deucher3e5cb982009-10-16 12:21:24 -0400274 /* enable msi */
275 rdev->msi_enabled = 0;
Alex Deucher8f6c25c2011-10-25 14:58:49 -0400276
277 if (radeon_msi_ok(rdev)) {
Alex Deucher3e5cb982009-10-16 12:21:24 -0400278 int ret = pci_enable_msi(rdev->pdev);
Alex Deucherd8f60cf2009-12-01 13:43:46 -0500279 if (!ret) {
Alex Deucher3e5cb982009-10-16 12:21:24 -0400280 rdev->msi_enabled = 1;
Alex Deucherda7be682010-08-12 18:05:34 -0400281 dev_info(rdev->dev, "radeon: using MSI.\n");
Alex Deucherd8f60cf2009-12-01 13:43:46 -0500282 }
Alex Deucher3e5cb982009-10-16 12:21:24 -0400283 }
Sergey Senozhatskya01c34f2013-07-14 14:03:27 +0300284
285 INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func);
286 INIT_WORK(&rdev->audio_work, r600_audio_update_hdmi);
287 INIT_WORK(&rdev->reset_work, radeon_irq_reset_work_func);
288
Sergey Senozhatsky27c505c2013-08-29 12:29:35 +0300289 rdev->irq.installed = true;
290 r = drm_irq_install(rdev->ddev);
291 if (r) {
292 rdev->irq.installed = false;
293 flush_work(&rdev->hotplug_work);
294 return r;
295 }
296
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200297 DRM_INFO("radeon: irq initialized.\n");
298 return 0;
299}
300
Alex Deucherb73ba982012-07-17 14:02:35 -0400301/**
Masanari Iidacf2fbdd2013-03-16 20:53:05 +0900302 * radeon_irq_kms_fini - tear down driver interrupt info
Alex Deucherb73ba982012-07-17 14:02:35 -0400303 *
304 * @rdev: radeon device pointer
305 *
306 * Tears down the work irq handlers, vblank handlers, MSIs, etc. (all asics).
307 */
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200308void radeon_irq_kms_fini(struct radeon_device *rdev)
309{
Jerome Glisse003e69f2010-01-07 15:39:14 +0100310 drm_vblank_cleanup(rdev->ddev);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200311 if (rdev->irq.installed) {
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200312 drm_irq_uninstall(rdev->ddev);
Jerome Glisse003e69f2010-01-07 15:39:14 +0100313 rdev->irq.installed = false;
Alex Deucher3e5cb982009-10-16 12:21:24 -0400314 if (rdev->msi_enabled)
315 pci_disable_msi(rdev->pdev);
Sergey Senozhatskya01c34f2013-07-14 14:03:27 +0300316 flush_work(&rdev->hotplug_work);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200317 }
318}
Dave Airlie1614f8b2009-12-01 16:04:56 +1000319
Alex Deucherb73ba982012-07-17 14:02:35 -0400320/**
321 * radeon_irq_kms_sw_irq_get - enable software interrupt
322 *
323 * @rdev: radeon device pointer
324 * @ring: ring whose interrupt you want to enable
325 *
326 * Enables the software interrupt for a specific ring (all asics).
327 * The software interrupt is generally used to signal a fence on
328 * a particular ring.
329 */
Alex Deucher1b370782011-11-17 20:13:28 -0500330void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring)
Dave Airlie1614f8b2009-12-01 16:04:56 +1000331{
332 unsigned long irqflags;
333
Christian Koenig736fc372012-05-17 19:52:00 +0200334 if (!rdev->ddev->irq_enabled)
335 return;
336
337 if (atomic_inc_return(&rdev->irq.ring_int[ring]) == 1) {
338 spin_lock_irqsave(&rdev->irq.lock, irqflags);
Dave Airlie1614f8b2009-12-01 16:04:56 +1000339 radeon_irq_set(rdev);
Christian Koenig736fc372012-05-17 19:52:00 +0200340 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
Dave Airlie1614f8b2009-12-01 16:04:56 +1000341 }
Dave Airlie1614f8b2009-12-01 16:04:56 +1000342}
343
Alex Deucherb73ba982012-07-17 14:02:35 -0400344/**
345 * radeon_irq_kms_sw_irq_put - disable software interrupt
346 *
347 * @rdev: radeon device pointer
348 * @ring: ring whose interrupt you want to disable
349 *
350 * Disables the software interrupt for a specific ring (all asics).
351 * The software interrupt is generally used to signal a fence on
352 * a particular ring.
353 */
Alex Deucher1b370782011-11-17 20:13:28 -0500354void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring)
Dave Airlie1614f8b2009-12-01 16:04:56 +1000355{
356 unsigned long irqflags;
357
Christian Koenig736fc372012-05-17 19:52:00 +0200358 if (!rdev->ddev->irq_enabled)
359 return;
360
361 if (atomic_dec_and_test(&rdev->irq.ring_int[ring])) {
362 spin_lock_irqsave(&rdev->irq.lock, irqflags);
Dave Airlie1614f8b2009-12-01 16:04:56 +1000363 radeon_irq_set(rdev);
Christian Koenig736fc372012-05-17 19:52:00 +0200364 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
Dave Airlie1614f8b2009-12-01 16:04:56 +1000365 }
Dave Airlie1614f8b2009-12-01 16:04:56 +1000366}
367
Alex Deucherb73ba982012-07-17 14:02:35 -0400368/**
369 * radeon_irq_kms_pflip_irq_get - enable pageflip interrupt
370 *
371 * @rdev: radeon device pointer
372 * @crtc: crtc whose interrupt you want to enable
373 *
374 * Enables the pageflip interrupt for a specific crtc (all asics).
375 * For pageflips we use the vblank interrupt source.
376 */
Alex Deucher6f34be52010-11-21 10:59:01 -0500377void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc)
378{
379 unsigned long irqflags;
380
381 if (crtc < 0 || crtc >= rdev->num_crtc)
382 return;
383
Christian Koenig736fc372012-05-17 19:52:00 +0200384 if (!rdev->ddev->irq_enabled)
385 return;
386
387 if (atomic_inc_return(&rdev->irq.pflip[crtc]) == 1) {
388 spin_lock_irqsave(&rdev->irq.lock, irqflags);
Alex Deucher6f34be52010-11-21 10:59:01 -0500389 radeon_irq_set(rdev);
Christian Koenig736fc372012-05-17 19:52:00 +0200390 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
Alex Deucher6f34be52010-11-21 10:59:01 -0500391 }
Alex Deucher6f34be52010-11-21 10:59:01 -0500392}
393
Alex Deucherb73ba982012-07-17 14:02:35 -0400394/**
395 * radeon_irq_kms_pflip_irq_put - disable pageflip interrupt
396 *
397 * @rdev: radeon device pointer
398 * @crtc: crtc whose interrupt you want to disable
399 *
400 * Disables the pageflip interrupt for a specific crtc (all asics).
401 * For pageflips we use the vblank interrupt source.
402 */
Alex Deucher6f34be52010-11-21 10:59:01 -0500403void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc)
404{
405 unsigned long irqflags;
406
407 if (crtc < 0 || crtc >= rdev->num_crtc)
408 return;
409
Christian Koenig736fc372012-05-17 19:52:00 +0200410 if (!rdev->ddev->irq_enabled)
411 return;
412
413 if (atomic_dec_and_test(&rdev->irq.pflip[crtc])) {
414 spin_lock_irqsave(&rdev->irq.lock, irqflags);
Alex Deucher6f34be52010-11-21 10:59:01 -0500415 radeon_irq_set(rdev);
Christian Koenig736fc372012-05-17 19:52:00 +0200416 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
Alex Deucher6f34be52010-11-21 10:59:01 -0500417 }
Alex Deucher6f34be52010-11-21 10:59:01 -0500418}
419
Alex Deucherb73ba982012-07-17 14:02:35 -0400420/**
421 * radeon_irq_kms_enable_afmt - enable audio format change interrupt
422 *
423 * @rdev: radeon device pointer
424 * @block: afmt block whose interrupt you want to enable
425 *
426 * Enables the afmt change interrupt for a specific afmt block (all asics).
427 */
Christian Koenigfb982572012-05-17 01:33:30 +0200428void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block)
429{
430 unsigned long irqflags;
431
Alex Deuchercc9945b2013-02-26 16:17:33 -0500432 if (!rdev->ddev->irq_enabled)
433 return;
434
Christian Koenigfb982572012-05-17 01:33:30 +0200435 spin_lock_irqsave(&rdev->irq.lock, irqflags);
436 rdev->irq.afmt[block] = true;
437 radeon_irq_set(rdev);
438 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
439
440}
441
Alex Deucherb73ba982012-07-17 14:02:35 -0400442/**
443 * radeon_irq_kms_disable_afmt - disable audio format change interrupt
444 *
445 * @rdev: radeon device pointer
446 * @block: afmt block whose interrupt you want to disable
447 *
448 * Disables the afmt change interrupt for a specific afmt block (all asics).
449 */
Christian Koenigfb982572012-05-17 01:33:30 +0200450void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block)
451{
452 unsigned long irqflags;
453
Alex Deuchercc9945b2013-02-26 16:17:33 -0500454 if (!rdev->ddev->irq_enabled)
455 return;
456
Christian Koenigfb982572012-05-17 01:33:30 +0200457 spin_lock_irqsave(&rdev->irq.lock, irqflags);
458 rdev->irq.afmt[block] = false;
459 radeon_irq_set(rdev);
460 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
461}
462
Alex Deucherb73ba982012-07-17 14:02:35 -0400463/**
464 * radeon_irq_kms_enable_hpd - enable hotplug detect interrupt
465 *
466 * @rdev: radeon device pointer
467 * @hpd_mask: mask of hpd pins you want to enable.
468 *
469 * Enables the hotplug detect interrupt for a specific hpd pin (all asics).
470 */
Christian Koenigfb982572012-05-17 01:33:30 +0200471void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask)
472{
473 unsigned long irqflags;
474 int i;
475
Alex Deuchercc9945b2013-02-26 16:17:33 -0500476 if (!rdev->ddev->irq_enabled)
477 return;
478
Christian Koenigfb982572012-05-17 01:33:30 +0200479 spin_lock_irqsave(&rdev->irq.lock, irqflags);
480 for (i = 0; i < RADEON_MAX_HPD_PINS; ++i)
481 rdev->irq.hpd[i] |= !!(hpd_mask & (1 << i));
482 radeon_irq_set(rdev);
483 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
484}
485
Alex Deucherb73ba982012-07-17 14:02:35 -0400486/**
487 * radeon_irq_kms_disable_hpd - disable hotplug detect interrupt
488 *
489 * @rdev: radeon device pointer
490 * @hpd_mask: mask of hpd pins you want to disable.
491 *
492 * Disables the hotplug detect interrupt for a specific hpd pin (all asics).
493 */
Christian Koenigfb982572012-05-17 01:33:30 +0200494void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask)
495{
496 unsigned long irqflags;
497 int i;
498
Alex Deuchercc9945b2013-02-26 16:17:33 -0500499 if (!rdev->ddev->irq_enabled)
500 return;
501
Christian Koenigfb982572012-05-17 01:33:30 +0200502 spin_lock_irqsave(&rdev->irq.lock, irqflags);
503 for (i = 0; i < RADEON_MAX_HPD_PINS; ++i)
504 rdev->irq.hpd[i] &= !(hpd_mask & (1 << i));
505 radeon_irq_set(rdev);
506 spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
507}
508