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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
[linux-2.6-block.git] / drivers / gpu / drm / radeon / radeon_audio.c
CommitLineData
bfc1f97d
SG		 1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Slava Grigorev <slava.grigorev@amd.com>
23 */
24
64424d6e 25#include <linux/gcd.h>
bfc1f97d 26#include <drm/drmP.h>
1a626b68 27#include <drm/drm_crtc.h>
bfc1f97d 28#include "radeon.h"
1a626b68
SG		 29#include "atom.h"
30#include "radeon_audio.h"
bfc1f97d
SG		 31
32void r600_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
33 u8 enable_mask);
8bf59820
SG		 34void dce4_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
35 u8 enable_mask);
bfc1f97d
SG		 36void dce6_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
37 u8 enable_mask);
1a626b68
SG		 38u32 dce6_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg);
39void dce6_endpoint_wreg(struct radeon_device *rdev,
40 u32 offset, u32 reg, u32 v);
070a2e63
AD		 41void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
42 struct cea_sad *sads, int sad_count);
43void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder,
44 struct cea_sad *sads, int sad_count);
45void dce6_afmt_write_sad_regs(struct drm_encoder *encoder,
46 struct cea_sad *sads, int sad_count);
00a9d4bc
SG		 47void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
48 u8 *sadb, int sad_count);
49void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
50 u8 *sadb, int sad_count);
51void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
52 u8 *sadb, int sad_count);
53void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
54 u8 *sadb, int sad_count);
55void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
56 u8 *sadb, int sad_count);
57void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
58 u8 *sadb, int sad_count);
87654f87
SG		 59void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
60 struct drm_connector *connector, struct drm_display_mode *mode);
61void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
62 struct drm_connector *connector, struct drm_display_mode *mode);
3cdde027
SG		 63struct r600_audio_pin* r600_audio_get_pin(struct radeon_device *rdev);
64struct r600_audio_pin* dce6_audio_get_pin(struct radeon_device *rdev);
88252d77 65void dce6_afmt_select_pin(struct drm_encoder *encoder);
a85d682a
SG		 66void r600_hdmi_audio_set_dto(struct radeon_device *rdev,
67 struct radeon_crtc *crtc, unsigned int clock);
68void dce3_2_audio_set_dto(struct radeon_device *rdev,
69 struct radeon_crtc *crtc, unsigned int clock);
70void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
71 struct radeon_crtc *crtc, unsigned int clock);
72void dce4_dp_audio_set_dto(struct radeon_device *rdev,
73 struct radeon_crtc *crtc, unsigned int clock);
74void dce6_hdmi_audio_set_dto(struct radeon_device *rdev,
75 struct radeon_crtc *crtc, unsigned int clock);
76void dce6_dp_audio_set_dto(struct radeon_device *rdev,
77 struct radeon_crtc *crtc, unsigned int clock);
baa7d8e4 78void r600_set_avi_packet(struct radeon_device *rdev, u32 offset,
96ea7afb 79 unsigned char *buffer, size_t size);
baa7d8e4 80void evergreen_set_avi_packet(struct radeon_device *rdev, u32 offset,
96ea7afb 81 unsigned char *buffer, size_t size);
64424d6e
SG		 82void r600_hdmi_update_acr(struct drm_encoder *encoder, long offset,
83 const struct radeon_hdmi_acr *acr);
84void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,
85 const struct radeon_hdmi_acr *acr);
86void evergreen_hdmi_update_acr(struct drm_encoder *encoder, long offset,
87 const struct radeon_hdmi_acr *acr);
930a9785
AD		 88void r600_set_vbi_packet(struct drm_encoder *encoder, u32 offset);
89void dce4_set_vbi_packet(struct drm_encoder *encoder, u32 offset);
be273e58
SG		 90void dce4_hdmi_set_color_depth(struct drm_encoder *encoder,
91 u32 offset, int bpc);
1852c9a0
SG		 92void r600_set_audio_packet(struct drm_encoder *encoder, u32 offset);
93void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset);
94void dce4_set_audio_packet(struct drm_encoder *encoder, u32 offset);
3be2e7d0
SG		 95void r600_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
96void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
97void dce4_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
6e72376d
SG		 98static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
99 struct drm_display_mode *mode);
e55bca26
SG		 100static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
101 struct drm_display_mode *mode);
6f945693
SG		 102void r600_hdmi_enable(struct drm_encoder *encoder, bool enable);
103void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable);
add7d759 104void evergreen_dp_enable(struct drm_encoder *encoder, bool enable);
bfc1f97d
SG		 105
106static const u32 pin_offsets[7] =
107{
108 (0x5e00 - 0x5e00),
109 (0x5e18 - 0x5e00),
110 (0x5e30 - 0x5e00),
111 (0x5e48 - 0x5e00),
112 (0x5e60 - 0x5e00),
113 (0x5e78 - 0x5e00),
114 (0x5e90 - 0x5e00),
115};
116
1a626b68
SG		 117static u32 radeon_audio_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
118{
119 return RREG32(reg);
120}
121
122static void radeon_audio_wreg(struct radeon_device *rdev, u32 offset,
123 u32 reg, u32 v)
124{
125 WREG32(reg, v);
126}
127
a85d682a
SG		 128static struct radeon_audio_basic_funcs r600_funcs = {
129 .endpoint_rreg = radeon_audio_rreg,
130 .endpoint_wreg = radeon_audio_wreg,
131 .enable = r600_audio_enable,
132};
133
1a626b68
SG		 134static struct radeon_audio_basic_funcs dce32_funcs = {
135 .endpoint_rreg = radeon_audio_rreg,
136 .endpoint_wreg = radeon_audio_wreg,
8bf59820 137 .enable = r600_audio_enable,
1a626b68
SG		 138};
139
140static struct radeon_audio_basic_funcs dce4_funcs = {
141 .endpoint_rreg = radeon_audio_rreg,
142 .endpoint_wreg = radeon_audio_wreg,
8bf59820 143 .enable = dce4_audio_enable,
1a626b68
SG		 144};
145
146static struct radeon_audio_basic_funcs dce6_funcs = {
147 .endpoint_rreg = dce6_endpoint_rreg,
148 .endpoint_wreg = dce6_endpoint_wreg,
8bf59820 149 .enable = dce6_audio_enable,
1a626b68
SG		 150};
151
a85d682a
SG		 152static struct radeon_audio_funcs r600_hdmi_funcs = {
153 .get_pin = r600_audio_get_pin,
154 .set_dto = r600_hdmi_audio_set_dto,
64424d6e 155 .update_acr = r600_hdmi_update_acr,
930a9785 156 .set_vbi_packet = r600_set_vbi_packet,
baa7d8e4 157 .set_avi_packet = r600_set_avi_packet,
1852c9a0 158 .set_audio_packet = r600_set_audio_packet,
3be2e7d0 159 .set_mute = r600_set_mute,
6e72376d 160 .mode_set = radeon_audio_hdmi_mode_set,
6f945693 161 .dpms = r600_hdmi_enable,
a85d682a
SG		 162};
163
070a2e63 164static struct radeon_audio_funcs dce32_hdmi_funcs = {
3cdde027 165 .get_pin = r600_audio_get_pin,
070a2e63 166 .write_sad_regs = dce3_2_afmt_write_sad_regs,
00a9d4bc 167 .write_speaker_allocation = dce3_2_afmt_hdmi_write_speaker_allocation,
a85d682a 168 .set_dto = dce3_2_audio_set_dto,
64424d6e 169 .update_acr = dce3_2_hdmi_update_acr,
930a9785 170 .set_vbi_packet = r600_set_vbi_packet,
baa7d8e4 171 .set_avi_packet = r600_set_avi_packet,
1852c9a0 172 .set_audio_packet = dce3_2_set_audio_packet,
3be2e7d0 173 .set_mute = dce3_2_set_mute,
6e72376d 174 .mode_set = radeon_audio_hdmi_mode_set,
6f945693 175 .dpms = r600_hdmi_enable,
070a2e63
AD		 176};
177
178static struct radeon_audio_funcs dce32_dp_funcs = {
3cdde027 179 .get_pin = r600_audio_get_pin,
070a2e63 180 .write_sad_regs = dce3_2_afmt_write_sad_regs,
00a9d4bc 181 .write_speaker_allocation = dce3_2_afmt_dp_write_speaker_allocation,
a85d682a 182 .set_dto = dce3_2_audio_set_dto,
baa7d8e4 183 .set_avi_packet = r600_set_avi_packet,
e55bca26 184 .set_audio_packet = dce3_2_set_audio_packet,
070a2e63
AD		 185};
186
187static struct radeon_audio_funcs dce4_hdmi_funcs = {
3cdde027 188 .get_pin = r600_audio_get_pin,
070a2e63 189 .write_sad_regs = evergreen_hdmi_write_sad_regs,
00a9d4bc 190 .write_speaker_allocation = dce4_afmt_hdmi_write_speaker_allocation,
87654f87 191 .write_latency_fields = dce4_afmt_write_latency_fields,
a85d682a 192 .set_dto = dce4_hdmi_audio_set_dto,
64424d6e 193 .update_acr = evergreen_hdmi_update_acr,
930a9785 194 .set_vbi_packet = dce4_set_vbi_packet,
be273e58 195 .set_color_depth = dce4_hdmi_set_color_depth,
baa7d8e4 196 .set_avi_packet = evergreen_set_avi_packet,
1852c9a0 197 .set_audio_packet = dce4_set_audio_packet,
3be2e7d0 198 .set_mute = dce4_set_mute,
6e72376d 199 .mode_set = radeon_audio_hdmi_mode_set,
6f945693 200 .dpms = evergreen_hdmi_enable,
070a2e63
AD		 201};
202
203static struct radeon_audio_funcs dce4_dp_funcs = {
3cdde027 204 .get_pin = r600_audio_get_pin,
070a2e63 205 .write_sad_regs = evergreen_hdmi_write_sad_regs,
00a9d4bc 206 .write_speaker_allocation = dce4_afmt_dp_write_speaker_allocation,
87654f87 207 .write_latency_fields = dce4_afmt_write_latency_fields,
a85d682a 208 .set_dto = dce4_dp_audio_set_dto,
baa7d8e4 209 .set_avi_packet = evergreen_set_avi_packet,
e55bca26
SG		 210 .set_audio_packet = dce4_set_audio_packet,
211 .mode_set = radeon_audio_dp_mode_set,
add7d759 212 .dpms = evergreen_dp_enable,
070a2e63
AD		 213};
214
215static struct radeon_audio_funcs dce6_hdmi_funcs = {
88252d77 216 .select_pin = dce6_afmt_select_pin,
3cdde027 217 .get_pin = dce6_audio_get_pin,
070a2e63 218 .write_sad_regs = dce6_afmt_write_sad_regs,
00a9d4bc 219 .write_speaker_allocation = dce6_afmt_hdmi_write_speaker_allocation,
87654f87 220 .write_latency_fields = dce6_afmt_write_latency_fields,
a85d682a 221 .set_dto = dce6_hdmi_audio_set_dto,
64424d6e 222 .update_acr = evergreen_hdmi_update_acr,
930a9785 223 .set_vbi_packet = dce4_set_vbi_packet,
be273e58 224 .set_color_depth = dce4_hdmi_set_color_depth,
baa7d8e4 225 .set_avi_packet = evergreen_set_avi_packet,
1852c9a0 226 .set_audio_packet = dce4_set_audio_packet,
3be2e7d0 227 .set_mute = dce4_set_mute,
6e72376d 228 .mode_set = radeon_audio_hdmi_mode_set,
6f945693 229 .dpms = evergreen_hdmi_enable,
070a2e63
AD		 230};
231
232static struct radeon_audio_funcs dce6_dp_funcs = {
88252d77 233 .select_pin = dce6_afmt_select_pin,
3cdde027 234 .get_pin = dce6_audio_get_pin,
070a2e63 235 .write_sad_regs = dce6_afmt_write_sad_regs,
00a9d4bc 236 .write_speaker_allocation = dce6_afmt_dp_write_speaker_allocation,
87654f87 237 .write_latency_fields = dce6_afmt_write_latency_fields,
a85d682a 238 .set_dto = dce6_dp_audio_set_dto,
baa7d8e4 239 .set_avi_packet = evergreen_set_avi_packet,
e55bca26
SG		 240 .set_audio_packet = dce4_set_audio_packet,
241 .mode_set = radeon_audio_dp_mode_set,
12428327 242 .dpms = evergreen_dp_enable,
070a2e63
AD		 243};
244
01062193
AD		 245static void radeon_audio_enable(struct radeon_device *rdev,
246 struct r600_audio_pin *pin, u8 enable_mask)
247{
d0ea397e
AD		 248 struct drm_encoder *encoder;
249 struct radeon_encoder *radeon_encoder;
250 struct radeon_encoder_atom_dig *dig;
251 int pin_count = 0;
252
253 if (!pin)
254 return;
255
256 if (rdev->mode_info.mode_config_initialized) {
257 list_for_each_entry(encoder, &rdev->ddev->mode_config.encoder_list, head) {
258 if (radeon_encoder_is_digital(encoder)) {
259 radeon_encoder = to_radeon_encoder(encoder);
260 dig = radeon_encoder->enc_priv;
261 if (dig->pin == pin)
262 pin_count++;
263 }
264 }
265
266 if ((pin_count > 1) && (enable_mask == 0))
267 return;
268 }
269
01062193
AD		 270 if (rdev->audio.funcs->enable)
271 rdev->audio.funcs->enable(rdev, pin, enable_mask);
272}
273
1a626b68
SG		 274static void radeon_audio_interface_init(struct radeon_device *rdev)
275{
276 if (ASIC_IS_DCE6(rdev)) {
277 rdev->audio.funcs = &dce6_funcs;
070a2e63
AD		 278 rdev->audio.hdmi_funcs = &dce6_hdmi_funcs;
279 rdev->audio.dp_funcs = &dce6_dp_funcs;
1a626b68
SG		 280 } else if (ASIC_IS_DCE4(rdev)) {
281 rdev->audio.funcs = &dce4_funcs;
070a2e63
AD		 282 rdev->audio.hdmi_funcs = &dce4_hdmi_funcs;
283 rdev->audio.dp_funcs = &dce4_dp_funcs;
a85d682a 284 } else if (ASIC_IS_DCE32(rdev)) {
1a626b68 285 rdev->audio.funcs = &dce32_funcs;
070a2e63
AD		 286 rdev->audio.hdmi_funcs = &dce32_hdmi_funcs;
287 rdev->audio.dp_funcs = &dce32_dp_funcs;
a85d682a
SG		 288 } else {
289 rdev->audio.funcs = &r600_funcs;
290 rdev->audio.hdmi_funcs = &r600_hdmi_funcs;
291 rdev->audio.dp_funcs = 0;
1a626b68
SG		 292 }
293}
294
bfc1f97d
SG		 295static int radeon_audio_chipset_supported(struct radeon_device *rdev)
296{
297 return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev);
298}
299
300int radeon_audio_init(struct radeon_device *rdev)
301{
302 int i;
303
304 if (!radeon_audio || !radeon_audio_chipset_supported(rdev))
305 return 0;
306
307 rdev->audio.enabled = true;
308
309 if (ASIC_IS_DCE83(rdev)) /* KB: 2 streams, 3 endpoints */
310 rdev->audio.num_pins = 3;
311 else if (ASIC_IS_DCE81(rdev)) /* KV: 4 streams, 7 endpoints */
312 rdev->audio.num_pins = 7;
313 else if (ASIC_IS_DCE8(rdev)) /* BN/HW: 6 streams, 7 endpoints */
314 rdev->audio.num_pins = 7;
315 else if (ASIC_IS_DCE64(rdev)) /* OL: 2 streams, 2 endpoints */
316 rdev->audio.num_pins = 2;
317 else if (ASIC_IS_DCE61(rdev)) /* TN: 4 streams, 6 endpoints */
318 rdev->audio.num_pins = 6;
319 else if (ASIC_IS_DCE6(rdev)) /* SI: 6 streams, 6 endpoints */
320 rdev->audio.num_pins = 6;
321 else
322 rdev->audio.num_pins = 1;
323
324 for (i = 0; i < rdev->audio.num_pins; i++) {
325 rdev->audio.pin[i].channels = -1;
326 rdev->audio.pin[i].rate = -1;
327 rdev->audio.pin[i].bits_per_sample = -1;
328 rdev->audio.pin[i].status_bits = 0;
329 rdev->audio.pin[i].category_code = 0;
330 rdev->audio.pin[i].connected = false;
331 rdev->audio.pin[i].offset = pin_offsets[i];
332 rdev->audio.pin[i].id = i;
1a626b68
SG		 333 }
334
335 radeon_audio_interface_init(rdev);
336
337 /* disable audio. it will be set up later */
338 for (i = 0; i < rdev->audio.num_pins; i++)
01062193 339 radeon_audio_enable(rdev, &rdev->audio.pin[i], 0);
1a626b68
SG		 340
341 return 0;
342}
343
1a626b68
SG		 344u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
345{
346 if (rdev->audio.funcs->endpoint_rreg)
347 return rdev->audio.funcs->endpoint_rreg(rdev, offset, reg);
bfc1f97d
SG		 348
349 return 0;
350}
1a626b68
SG		 351
352void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset,
353 u32 reg, u32 v)
354{
355 if (rdev->audio.funcs->endpoint_wreg)
356 rdev->audio.funcs->endpoint_wreg(rdev, offset, reg, v);
357}
070a2e63 358
6e72376d 359static void radeon_audio_write_sad_regs(struct drm_encoder *encoder)
070a2e63 360{
d0ea397e
AD		 361 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
362 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
070a2e63
AD		 363 struct cea_sad *sads;
364 int sad_count;
365
d0ea397e 366 if (!connector)
070a2e63 367 return;
070a2e63
AD		 368
369 sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads);
370 if (sad_count <= 0) {
371 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
372 return;
373 }
374 BUG_ON(!sads);
375
070a2e63
AD		 376 if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs)
377 radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count);
378
379 kfree(sads);
380}
00a9d4bc 381
6e72376d 382static void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder)
00a9d4bc 383{
d0ea397e 384 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
00a9d4bc 385 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
f4c6c081
AD		 386 u8 *sadb = NULL;
387 int sad_count;
00a9d4bc 388
d0ea397e 389 if (!connector)
f4c6c081 390 return;
f4c6c081 391
d0ea397e
AD		 392 sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector),
393 &sadb);
f4c6c081
AD		 394 if (sad_count < 0) {
395 DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n",
396 sad_count);
397 sad_count = 0;
398 }
00a9d4bc
SG		 399
400 if (radeon_encoder->audio && radeon_encoder->audio->write_speaker_allocation)
401 radeon_encoder->audio->write_speaker_allocation(encoder, sadb, sad_count);
402
f4c6c081 403 kfree(sadb);
00a9d4bc 404}
87654f87 405
6e72376d 406static void radeon_audio_write_latency_fields(struct drm_encoder *encoder,
d0ea397e 407 struct drm_display_mode *mode)
87654f87 408{
d0ea397e
AD		 409 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
410 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
87654f87 411
d0ea397e 412 if (!connector)
87654f87 413 return;
87654f87
SG		 414
415 if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields)
416 radeon_encoder->audio->write_latency_fields(encoder, connector, mode);
417}
3cdde027
SG		 418
419struct r600_audio_pin* radeon_audio_get_pin(struct drm_encoder *encoder)
420{
421 struct radeon_device *rdev = encoder->dev->dev_private;
422 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
423
424 if (radeon_encoder->audio && radeon_encoder->audio->get_pin)
425 return radeon_encoder->audio->get_pin(rdev);
426
427 return NULL;
428}
88252d77 429
6e72376d 430static void radeon_audio_select_pin(struct drm_encoder *encoder)
88252d77
SG		 431{
432 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
433
434 if (radeon_encoder->audio && radeon_encoder->audio->select_pin)
435 radeon_encoder->audio->select_pin(encoder);
436}
8bf59820 437
ccd4be7e 438void radeon_audio_detect(struct drm_connector *connector,
d0ea397e 439 struct drm_encoder *encoder,
d3c34d2c 440 enum drm_connector_status status)
ccd4be7e 441{
d0ea397e
AD		 442 struct drm_device *dev = connector->dev;
443 struct radeon_device *rdev = dev->dev_private;
444 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
ccd4be7e
SG		 445 struct radeon_encoder_atom_dig *dig;
446
d0ea397e 447 if (!radeon_audio_chipset_supported(rdev))
ccd4be7e
SG		 448 return;
449
d0ea397e 450 if (!radeon_encoder_is_digital(encoder))
d73a824a
AD		 451 return;
452
ccd4be7e
SG		 453 dig = radeon_encoder->enc_priv;
454
0f55db36 455 if (status == connector_status_connected) {
479e9a95
AD		 456 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
457 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
ccd4be7e 458
479e9a95
AD		 459 if (radeon_dp_getsinktype(radeon_connector) ==
460 CONNECTOR_OBJECT_ID_DISPLAYPORT)
461 radeon_encoder->audio = rdev->audio.dp_funcs;
462 else
463 radeon_encoder->audio = rdev->audio.hdmi_funcs;
464 } else {
ccd4be7e 465 radeon_encoder->audio = rdev->audio.hdmi_funcs;
479e9a95 466 }
ccd4be7e 467
d0ea397e
AD		 468 if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
469 if (!dig->pin)
470 dig->pin = radeon_audio_get_pin(encoder);
471 radeon_audio_enable(rdev, dig->pin, 0xf);
472 } else {
473 radeon_audio_enable(rdev, dig->pin, 0);
474 dig->pin = NULL;
475 }
ccd4be7e 476 } else {
d0ea397e
AD		 477 radeon_audio_enable(rdev, dig->pin, 0);
478 dig->pin = NULL;
ccd4be7e
SG		 479 }
480}
481
7991d665
SG		 482void radeon_audio_fini(struct radeon_device *rdev)
483{
484 int i;
485
486 if (!rdev->audio.enabled)
487 return;
488
489 for (i = 0; i < rdev->audio.num_pins; i++)
01062193 490 radeon_audio_enable(rdev, &rdev->audio.pin[i], 0);
7991d665
SG		 491
492 rdev->audio.enabled = false;
493}
a85d682a 494
6e72376d 495static void radeon_audio_set_dto(struct drm_encoder *encoder, unsigned int clock)
a85d682a
SG		 496{
497 struct radeon_device *rdev = encoder->dev->dev_private;
498 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
499 struct radeon_crtc *crtc = to_radeon_crtc(encoder->crtc);
500
501 if (radeon_encoder->audio && radeon_encoder->audio->set_dto)
502 radeon_encoder->audio->set_dto(rdev, crtc, clock);
503}
96ea7afb 504
6e72376d 505static int radeon_audio_set_avi_packet(struct drm_encoder *encoder,
d0ea397e 506 struct drm_display_mode *mode)
96ea7afb 507{
f4c6c081 508 struct radeon_device *rdev = encoder->dev->dev_private;
96ea7afb
SG		 509 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
510 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
d0ea397e 511 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
baa7d8e4
SG		 512 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
513 struct hdmi_avi_infoframe frame;
514 int err;
515
d0ea397e
AD		 516 if (!connector)
517 return -EINVAL;
a1dcc277 518
baa7d8e4
SG		 519 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
520 if (err < 0) {
521 DRM_ERROR("failed to setup AVI infoframe: %d\n", err);
522 return err;
523 }
524
a1dcc277
AD		 525 if (drm_rgb_quant_range_selectable(radeon_connector_edid(connector))) {
526 if (radeon_encoder->output_csc == RADEON_OUTPUT_CSC_TVRGB)
527 frame.quantization_range = HDMI_QUANTIZATION_RANGE_LIMITED;
528 else
529 frame.quantization_range = HDMI_QUANTIZATION_RANGE_FULL;
530 } else {
531 frame.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
532 }
533
baa7d8e4
SG		 534 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
535 if (err < 0) {
536 DRM_ERROR("failed to pack AVI infoframe: %d\n", err);
537 return err;
538 }
539
d0ea397e
AD		 540 if (dig && dig->afmt && radeon_encoder->audio &&
541 radeon_encoder->audio->set_avi_packet)
baa7d8e4
SG		 542 radeon_encoder->audio->set_avi_packet(rdev, dig->afmt->offset,
543 buffer, sizeof(buffer));
96ea7afb 544
baa7d8e4 545 return 0;
96ea7afb 546}
64424d6e
SG		 547
548/*
549 * calculate CTS and N values if they are not found in the table
550 */
551static void radeon_audio_calc_cts(unsigned int clock, int *CTS, int *N, int freq)
552{
553 int n, cts;
554 unsigned long div, mul;
555
556 /* Safe, but overly large values */
557 n = 128 * freq;
558 cts = clock * 1000;
559
560 /* Smallest valid fraction */
561 div = gcd(n, cts);
562
563 n /= div;
564 cts /= div;
565
566 /*
567 * The optimal N is 128*freq/1000. Calculate the closest larger
568 * value that doesn't truncate any bits.
569 */
570 mul = ((128*freq/1000) + (n-1))/n;
571
572 n *= mul;
573 cts *= mul;
574
575 /* Check that we are in spec (not always possible) */
576 if (n < (128*freq/1500))
577 printk(KERN_WARNING "Calculated ACR N value is too small. You may experience audio problems.\n");
578 if (n > (128*freq/300))
579 printk(KERN_WARNING "Calculated ACR N value is too large. You may experience audio problems.\n");
580
581 *N = n;
582 *CTS = cts;
583
584 DRM_DEBUG("Calculated ACR timing N=%d CTS=%d for frequency %d\n",
585 *N, *CTS, freq);
586}
587
588static const struct radeon_hdmi_acr* radeon_audio_acr(unsigned int clock)
589{
590 static struct radeon_hdmi_acr res;
591 u8 i;
592
593 static const struct radeon_hdmi_acr hdmi_predefined_acr[] = {
594 /* 32kHz 44.1kHz 48kHz */
595 /* Clock N CTS N CTS N CTS */
596 { 25175, 4096, 25175, 28224, 125875, 6144, 25175 }, /* 25,20/1.001 MHz */
597 { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */
598 { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */
599 { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */
600 { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */
601 { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */
602 { 74176, 4096, 74176, 5733, 75335, 6144, 74176 }, /* 74.25/1.001 MHz */
603 { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */
604 { 148352, 4096, 148352, 5733, 150670, 6144, 148352 }, /* 148.50/1.001 MHz */
605 { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */
606 };
607
608 /* Precalculated values for common clocks */
609 for (i = 0; i < ARRAY_SIZE(hdmi_predefined_acr); i++)
610 if (hdmi_predefined_acr[i].clock == clock)
611 return &hdmi_predefined_acr[i];
612
613 /* And odd clocks get manually calculated */
614 radeon_audio_calc_cts(clock, &res.cts_32khz, &res.n_32khz, 32000);
615 radeon_audio_calc_cts(clock, &res.cts_44_1khz, &res.n_44_1khz, 44100);
616 radeon_audio_calc_cts(clock, &res.cts_48khz, &res.n_48khz, 48000);
617
618 return &res;
619}
620
621/*
622 * update the N and CTS parameters for a given pixel clock rate
623 */
6e72376d 624static void radeon_audio_update_acr(struct drm_encoder *encoder, unsigned int clock)
64424d6e 625{
f4c6c081
AD		 626 const struct radeon_hdmi_acr *acr = radeon_audio_acr(clock);
627 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
628 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
64424d6e
SG		 629
630 if (!dig || !dig->afmt)
631 return;
632
633 if (radeon_encoder->audio && radeon_encoder->audio->update_acr)
634 radeon_encoder->audio->update_acr(encoder, dig->afmt->offset, acr);
635}
930a9785 636
6e72376d 637static void radeon_audio_set_vbi_packet(struct drm_encoder *encoder)
930a9785 638{
f4c6c081
AD		 639 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
640 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
930a9785
AD		 641
642 if (!dig || !dig->afmt)
643 return;
644
645 if (radeon_encoder->audio && radeon_encoder->audio->set_vbi_packet)
646 radeon_encoder->audio->set_vbi_packet(encoder, dig->afmt->offset);
647}
be273e58 648
6e72376d 649static void radeon_hdmi_set_color_depth(struct drm_encoder *encoder)
be273e58
SG		 650{
651 int bpc = 8;
652 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
653 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
654
655 if (!dig || !dig->afmt)
656 return;
657
658 if (encoder->crtc) {
659 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
660 bpc = radeon_crtc->bpc;
661 }
662
663 if (radeon_encoder->audio && radeon_encoder->audio->set_color_depth)
664 radeon_encoder->audio->set_color_depth(encoder, dig->afmt->offset, bpc);
665}
1852c9a0 666
6e72376d 667static void radeon_audio_set_audio_packet(struct drm_encoder *encoder)
1852c9a0 668{
f4c6c081
AD		 669 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
670 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
1852c9a0
SG		 671
672 if (!dig || !dig->afmt)
673 return;
674
675 if (radeon_encoder->audio && radeon_encoder->audio->set_audio_packet)
676 radeon_encoder->audio->set_audio_packet(encoder, dig->afmt->offset);
677}
3be2e7d0 678
6e72376d 679static void radeon_audio_set_mute(struct drm_encoder *encoder, bool mute)
3be2e7d0 680{
f4c6c081
AD		 681 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
682 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
3be2e7d0
SG		 683
684 if (!dig || !dig->afmt)
685 return;
686
687 if (radeon_encoder->audio && radeon_encoder->audio->set_mute)
688 radeon_encoder->audio->set_mute(encoder, dig->afmt->offset, mute);
689}
6e72376d
SG		 690
691/*
692 * update the info frames with the data from the current display mode
693 */
694static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
3ed7ceea 695 struct drm_display_mode *mode)
6e72376d 696{
6e72376d
SG		 697 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
698 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
7726e72b 699 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
6e72376d
SG		 700
701 if (!dig || !dig->afmt)
702 return;
703
7726e72b
AD		 704 if (!connector)
705 return;
6e72376d 706
7726e72b
AD		 707 if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
708 radeon_audio_set_mute(encoder, true);
6e72376d 709
7726e72b
AD		 710 radeon_audio_write_speaker_allocation(encoder);
711 radeon_audio_write_sad_regs(encoder);
712 radeon_audio_write_latency_fields(encoder, mode);
713 radeon_audio_set_dto(encoder, mode->clock);
714 radeon_audio_set_vbi_packet(encoder);
715 radeon_hdmi_set_color_depth(encoder);
716 radeon_audio_update_acr(encoder, mode->clock);
717 radeon_audio_set_audio_packet(encoder);
718 radeon_audio_select_pin(encoder);
719
720 if (radeon_audio_set_avi_packet(encoder, mode) < 0)
721 return;
722
723 radeon_audio_set_mute(encoder, false);
724 } else {
725 radeon_hdmi_set_color_depth(encoder);
6e72376d 726
7726e72b
AD		 727 if (radeon_audio_set_avi_packet(encoder, mode) < 0)
728 return;
729 }
6e72376d
SG		 730}
731
e55bca26 732static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
d0ea397e 733 struct drm_display_mode *mode)
e55bca26
SG		 734{
735 struct drm_device *dev = encoder->dev;
736 struct radeon_device *rdev = dev->dev_private;
737 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
738 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
aeefd07e
AD		 739 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
740 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
741 struct radeon_connector_atom_dig *dig_connector =
742 radeon_connector->con_priv;
e55bca26 743
7726e72b 744 if (!dig || !dig->afmt)
d0ea397e
AD		 745 return;
746
7726e72b 747 if (!connector)
e55bca26
SG		 748 return;
749
7726e72b
AD		 750 if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
751 radeon_audio_write_speaker_allocation(encoder);
752 radeon_audio_write_sad_regs(encoder);
753 radeon_audio_write_latency_fields(encoder, mode);
754 if (rdev->clock.dp_extclk || ASIC_IS_DCE5(rdev))
755 radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10);
756 else
757 radeon_audio_set_dto(encoder, dig_connector->dp_clock);
758 radeon_audio_set_audio_packet(encoder);
759 radeon_audio_select_pin(encoder);
e55bca26 760
7726e72b
AD		 761 if (radeon_audio_set_avi_packet(encoder, mode) < 0)
762 return;
763 }
e55bca26
SG		 764}
765
6e72376d 766void radeon_audio_mode_set(struct drm_encoder *encoder,
d0ea397e 767 struct drm_display_mode *mode)
6e72376d
SG		 768{
769 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
770
771 if (radeon_encoder->audio && radeon_encoder->audio->mode_set)
772 radeon_encoder->audio->mode_set(encoder, mode);
773}
6f945693
SG		 774
775void radeon_audio_dpms(struct drm_encoder *encoder, int mode)
776{
777 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
778
779 if (radeon_encoder->audio && radeon_encoder->audio->dpms)
780 radeon_encoder->audio->dpms(encoder, mode == DRM_MODE_DPMS_ON);
781}
Linux 6.x block layer and io_uring tree(s)