2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Slava Grigorev <slava.grigorev@amd.com>
25 #include <linux/gcd.h>
27 #include <drm/drm_crtc.h>
30 #include "radeon_audio.h"
32 void r600_audio_enable(struct radeon_device
*rdev
, struct r600_audio_pin
*pin
,
34 void dce4_audio_enable(struct radeon_device
*rdev
, struct r600_audio_pin
*pin
,
36 void dce6_audio_enable(struct radeon_device
*rdev
, struct r600_audio_pin
*pin
,
38 u32
dce6_endpoint_rreg(struct radeon_device
*rdev
, u32 offset
, u32 reg
);
39 void dce6_endpoint_wreg(struct radeon_device
*rdev
,
40 u32 offset
, u32 reg
, u32 v
);
41 void dce3_2_afmt_write_sad_regs(struct drm_encoder
*encoder
,
42 struct cea_sad
*sads
, int sad_count
);
43 void evergreen_hdmi_write_sad_regs(struct drm_encoder
*encoder
,
44 struct cea_sad
*sads
, int sad_count
);
45 void dce6_afmt_write_sad_regs(struct drm_encoder
*encoder
,
46 struct cea_sad
*sads
, int sad_count
);
47 void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder
*encoder
,
48 u8
*sadb
, int sad_count
);
49 void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder
*encoder
,
50 u8
*sadb
, int sad_count
);
51 void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder
*encoder
,
52 u8
*sadb
, int sad_count
);
53 void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder
*encoder
,
54 u8
*sadb
, int sad_count
);
55 void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder
*encoder
,
56 u8
*sadb
, int sad_count
);
57 void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder
*encoder
,
58 u8
*sadb
, int sad_count
);
59 void dce4_afmt_write_latency_fields(struct drm_encoder
*encoder
,
60 struct drm_connector
*connector
, struct drm_display_mode
*mode
);
61 void dce6_afmt_write_latency_fields(struct drm_encoder
*encoder
,
62 struct drm_connector
*connector
, struct drm_display_mode
*mode
);
63 struct r600_audio_pin
* r600_audio_get_pin(struct radeon_device
*rdev
);
64 struct r600_audio_pin
* dce6_audio_get_pin(struct radeon_device
*rdev
);
65 void dce6_afmt_select_pin(struct drm_encoder
*encoder
);
66 void r600_hdmi_audio_set_dto(struct radeon_device
*rdev
,
67 struct radeon_crtc
*crtc
, unsigned int clock
);
68 void dce3_2_audio_set_dto(struct radeon_device
*rdev
,
69 struct radeon_crtc
*crtc
, unsigned int clock
);
70 void dce4_hdmi_audio_set_dto(struct radeon_device
*rdev
,
71 struct radeon_crtc
*crtc
, unsigned int clock
);
72 void dce4_dp_audio_set_dto(struct radeon_device
*rdev
,
73 struct radeon_crtc
*crtc
, unsigned int clock
);
74 void dce6_hdmi_audio_set_dto(struct radeon_device
*rdev
,
75 struct radeon_crtc
*crtc
, unsigned int clock
);
76 void dce6_dp_audio_set_dto(struct radeon_device
*rdev
,
77 struct radeon_crtc
*crtc
, unsigned int clock
);
78 void r600_set_avi_packet(struct radeon_device
*rdev
, u32 offset
,
79 unsigned char *buffer
, size_t size
);
80 void evergreen_set_avi_packet(struct radeon_device
*rdev
, u32 offset
,
81 unsigned char *buffer
, size_t size
);
82 void r600_hdmi_update_acr(struct drm_encoder
*encoder
, long offset
,
83 const struct radeon_hdmi_acr
*acr
);
84 void dce3_2_hdmi_update_acr(struct drm_encoder
*encoder
, long offset
,
85 const struct radeon_hdmi_acr
*acr
);
86 void evergreen_hdmi_update_acr(struct drm_encoder
*encoder
, long offset
,
87 const struct radeon_hdmi_acr
*acr
);
88 void r600_set_vbi_packet(struct drm_encoder
*encoder
, u32 offset
);
89 void dce4_set_vbi_packet(struct drm_encoder
*encoder
, u32 offset
);
90 void dce4_hdmi_set_color_depth(struct drm_encoder
*encoder
,
93 static const u32 pin_offsets
[7] =
104 static u32
radeon_audio_rreg(struct radeon_device
*rdev
, u32 offset
, u32 reg
)
109 static void radeon_audio_wreg(struct radeon_device
*rdev
, u32 offset
,
115 static struct radeon_audio_basic_funcs r600_funcs
= {
116 .endpoint_rreg
= radeon_audio_rreg
,
117 .endpoint_wreg
= radeon_audio_wreg
,
118 .enable
= r600_audio_enable
,
121 static struct radeon_audio_basic_funcs dce32_funcs
= {
122 .endpoint_rreg
= radeon_audio_rreg
,
123 .endpoint_wreg
= radeon_audio_wreg
,
124 .enable
= r600_audio_enable
,
127 static struct radeon_audio_basic_funcs dce4_funcs
= {
128 .endpoint_rreg
= radeon_audio_rreg
,
129 .endpoint_wreg
= radeon_audio_wreg
,
130 .enable
= dce4_audio_enable
,
133 static struct radeon_audio_basic_funcs dce6_funcs
= {
134 .endpoint_rreg
= dce6_endpoint_rreg
,
135 .endpoint_wreg
= dce6_endpoint_wreg
,
136 .enable
= dce6_audio_enable
,
139 static struct radeon_audio_funcs r600_hdmi_funcs
= {
140 .get_pin
= r600_audio_get_pin
,
141 .set_dto
= r600_hdmi_audio_set_dto
,
142 .update_acr
= r600_hdmi_update_acr
,
143 .set_vbi_packet
= r600_set_vbi_packet
,
144 .set_avi_packet
= r600_set_avi_packet
,
147 static struct radeon_audio_funcs dce32_hdmi_funcs
= {
148 .get_pin
= r600_audio_get_pin
,
149 .write_sad_regs
= dce3_2_afmt_write_sad_regs
,
150 .write_speaker_allocation
= dce3_2_afmt_hdmi_write_speaker_allocation
,
151 .set_dto
= dce3_2_audio_set_dto
,
152 .update_acr
= dce3_2_hdmi_update_acr
,
153 .set_vbi_packet
= r600_set_vbi_packet
,
154 .set_avi_packet
= r600_set_avi_packet
,
157 static struct radeon_audio_funcs dce32_dp_funcs
= {
158 .get_pin
= r600_audio_get_pin
,
159 .write_sad_regs
= dce3_2_afmt_write_sad_regs
,
160 .write_speaker_allocation
= dce3_2_afmt_dp_write_speaker_allocation
,
161 .set_dto
= dce3_2_audio_set_dto
,
162 .set_avi_packet
= r600_set_avi_packet
,
165 static struct radeon_audio_funcs dce4_hdmi_funcs
= {
166 .get_pin
= r600_audio_get_pin
,
167 .write_sad_regs
= evergreen_hdmi_write_sad_regs
,
168 .write_speaker_allocation
= dce4_afmt_hdmi_write_speaker_allocation
,
169 .write_latency_fields
= dce4_afmt_write_latency_fields
,
170 .set_dto
= dce4_hdmi_audio_set_dto
,
171 .update_acr
= evergreen_hdmi_update_acr
,
172 .set_vbi_packet
= dce4_set_vbi_packet
,
173 .set_color_depth
= dce4_hdmi_set_color_depth
,
174 .set_avi_packet
= evergreen_set_avi_packet
,
177 static struct radeon_audio_funcs dce4_dp_funcs
= {
178 .get_pin
= r600_audio_get_pin
,
179 .write_sad_regs
= evergreen_hdmi_write_sad_regs
,
180 .write_speaker_allocation
= dce4_afmt_dp_write_speaker_allocation
,
181 .write_latency_fields
= dce4_afmt_write_latency_fields
,
182 .set_dto
= dce4_dp_audio_set_dto
,
183 .set_avi_packet
= evergreen_set_avi_packet
,
186 static struct radeon_audio_funcs dce6_hdmi_funcs
= {
187 .select_pin
= dce6_afmt_select_pin
,
188 .get_pin
= dce6_audio_get_pin
,
189 .write_sad_regs
= dce6_afmt_write_sad_regs
,
190 .write_speaker_allocation
= dce6_afmt_hdmi_write_speaker_allocation
,
191 .write_latency_fields
= dce6_afmt_write_latency_fields
,
192 .set_dto
= dce6_hdmi_audio_set_dto
,
193 .update_acr
= evergreen_hdmi_update_acr
,
194 .set_vbi_packet
= dce4_set_vbi_packet
,
195 .set_color_depth
= dce4_hdmi_set_color_depth
,
196 .set_avi_packet
= evergreen_set_avi_packet
,
199 static struct radeon_audio_funcs dce6_dp_funcs
= {
200 .select_pin
= dce6_afmt_select_pin
,
201 .get_pin
= dce6_audio_get_pin
,
202 .write_sad_regs
= dce6_afmt_write_sad_regs
,
203 .write_speaker_allocation
= dce6_afmt_dp_write_speaker_allocation
,
204 .write_latency_fields
= dce6_afmt_write_latency_fields
,
205 .set_dto
= dce6_dp_audio_set_dto
,
206 .set_avi_packet
= evergreen_set_avi_packet
,
209 static void radeon_audio_interface_init(struct radeon_device
*rdev
)
211 if (ASIC_IS_DCE6(rdev
)) {
212 rdev
->audio
.funcs
= &dce6_funcs
;
213 rdev
->audio
.hdmi_funcs
= &dce6_hdmi_funcs
;
214 rdev
->audio
.dp_funcs
= &dce6_dp_funcs
;
215 } else if (ASIC_IS_DCE4(rdev
)) {
216 rdev
->audio
.funcs
= &dce4_funcs
;
217 rdev
->audio
.hdmi_funcs
= &dce4_hdmi_funcs
;
218 rdev
->audio
.dp_funcs
= &dce4_dp_funcs
;
219 } else if (ASIC_IS_DCE32(rdev
)) {
220 rdev
->audio
.funcs
= &dce32_funcs
;
221 rdev
->audio
.hdmi_funcs
= &dce32_hdmi_funcs
;
222 rdev
->audio
.dp_funcs
= &dce32_dp_funcs
;
224 rdev
->audio
.funcs
= &r600_funcs
;
225 rdev
->audio
.hdmi_funcs
= &r600_hdmi_funcs
;
226 rdev
->audio
.dp_funcs
= 0;
230 static int radeon_audio_chipset_supported(struct radeon_device
*rdev
)
232 return ASIC_IS_DCE2(rdev
) && !ASIC_IS_NODCE(rdev
);
235 int radeon_audio_init(struct radeon_device
*rdev
)
239 if (!radeon_audio
|| !radeon_audio_chipset_supported(rdev
))
242 rdev
->audio
.enabled
= true;
244 if (ASIC_IS_DCE83(rdev
)) /* KB: 2 streams, 3 endpoints */
245 rdev
->audio
.num_pins
= 3;
246 else if (ASIC_IS_DCE81(rdev
)) /* KV: 4 streams, 7 endpoints */
247 rdev
->audio
.num_pins
= 7;
248 else if (ASIC_IS_DCE8(rdev
)) /* BN/HW: 6 streams, 7 endpoints */
249 rdev
->audio
.num_pins
= 7;
250 else if (ASIC_IS_DCE64(rdev
)) /* OL: 2 streams, 2 endpoints */
251 rdev
->audio
.num_pins
= 2;
252 else if (ASIC_IS_DCE61(rdev
)) /* TN: 4 streams, 6 endpoints */
253 rdev
->audio
.num_pins
= 6;
254 else if (ASIC_IS_DCE6(rdev
)) /* SI: 6 streams, 6 endpoints */
255 rdev
->audio
.num_pins
= 6;
257 rdev
->audio
.num_pins
= 1;
259 for (i
= 0; i
< rdev
->audio
.num_pins
; i
++) {
260 rdev
->audio
.pin
[i
].channels
= -1;
261 rdev
->audio
.pin
[i
].rate
= -1;
262 rdev
->audio
.pin
[i
].bits_per_sample
= -1;
263 rdev
->audio
.pin
[i
].status_bits
= 0;
264 rdev
->audio
.pin
[i
].category_code
= 0;
265 rdev
->audio
.pin
[i
].connected
= false;
266 rdev
->audio
.pin
[i
].offset
= pin_offsets
[i
];
267 rdev
->audio
.pin
[i
].id
= i
;
270 radeon_audio_interface_init(rdev
);
272 /* disable audio. it will be set up later */
273 for (i
= 0; i
< rdev
->audio
.num_pins
; i
++)
274 radeon_audio_enable(rdev
, &rdev
->audio
.pin
[i
], false);
279 void radeon_audio_detect(struct drm_connector
*connector
,
280 enum drm_connector_status status
)
282 if (!connector
|| !connector
->encoder
)
285 if (status
== connector_status_connected
) {
287 struct radeon_device
*rdev
= connector
->encoder
->dev
->dev_private
;
288 struct radeon_connector
*radeon_connector
;
289 struct radeon_encoder
*radeon_encoder
=
290 to_radeon_encoder(connector
->encoder
);
292 if (!drm_detect_monitor_audio(radeon_connector_edid(connector
))) {
293 radeon_encoder
->audio
= 0;
297 radeon_connector
= to_radeon_connector(connector
);
298 sink_type
= radeon_dp_getsinktype(radeon_connector
);
300 if (connector
->connector_type
== DRM_MODE_CONNECTOR_DisplayPort
&&
301 sink_type
== CONNECTOR_OBJECT_ID_DISPLAYPORT
)
302 radeon_encoder
->audio
= rdev
->audio
.dp_funcs
;
304 radeon_encoder
->audio
= rdev
->audio
.hdmi_funcs
;
305 /* TODO: set up the sads, etc. and set the audio enable_mask */
307 /* TODO: reset the audio enable_mask */
311 u32
radeon_audio_endpoint_rreg(struct radeon_device
*rdev
, u32 offset
, u32 reg
)
313 if (rdev
->audio
.funcs
->endpoint_rreg
)
314 return rdev
->audio
.funcs
->endpoint_rreg(rdev
, offset
, reg
);
319 void radeon_audio_endpoint_wreg(struct radeon_device
*rdev
, u32 offset
,
322 if (rdev
->audio
.funcs
->endpoint_wreg
)
323 rdev
->audio
.funcs
->endpoint_wreg(rdev
, offset
, reg
, v
);
326 void radeon_audio_write_sad_regs(struct drm_encoder
*encoder
)
328 struct radeon_encoder
*radeon_encoder
;
329 struct drm_connector
*connector
;
330 struct radeon_connector
*radeon_connector
= NULL
;
331 struct cea_sad
*sads
;
334 list_for_each_entry(connector
,
335 &encoder
->dev
->mode_config
.connector_list
, head
) {
336 if (connector
->encoder
== encoder
) {
337 radeon_connector
= to_radeon_connector(connector
);
342 if (!radeon_connector
) {
343 DRM_ERROR("Couldn't find encoder's connector\n");
347 sad_count
= drm_edid_to_sad(radeon_connector_edid(connector
), &sads
);
348 if (sad_count
<= 0) {
349 DRM_ERROR("Couldn't read SADs: %d\n", sad_count
);
354 radeon_encoder
= to_radeon_encoder(encoder
);
356 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->write_sad_regs
)
357 radeon_encoder
->audio
->write_sad_regs(encoder
, sads
, sad_count
);
362 void radeon_audio_write_speaker_allocation(struct drm_encoder
*encoder
)
364 struct radeon_encoder
*radeon_encoder
= to_radeon_encoder(encoder
);
365 struct drm_connector
*connector
;
366 struct radeon_connector
*radeon_connector
= NULL
;
370 list_for_each_entry(connector
,
371 &encoder
->dev
->mode_config
.connector_list
, head
) {
372 if (connector
->encoder
== encoder
) {
373 radeon_connector
= to_radeon_connector(connector
);
378 if (!radeon_connector
) {
379 DRM_ERROR("Couldn't find encoder's connector\n");
383 sad_count
= drm_edid_to_speaker_allocation(
384 radeon_connector_edid(connector
), &sadb
);
386 DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n",
391 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->write_speaker_allocation
)
392 radeon_encoder
->audio
->write_speaker_allocation(encoder
, sadb
, sad_count
);
397 void radeon_audio_write_latency_fields(struct drm_encoder
*encoder
,
398 struct drm_display_mode
*mode
)
400 struct radeon_encoder
*radeon_encoder
;
401 struct drm_connector
*connector
;
402 struct radeon_connector
*radeon_connector
= 0;
404 list_for_each_entry(connector
,
405 &encoder
->dev
->mode_config
.connector_list
, head
) {
406 if (connector
->encoder
== encoder
) {
407 radeon_connector
= to_radeon_connector(connector
);
412 if (!radeon_connector
) {
413 DRM_ERROR("Couldn't find encoder's connector\n");
417 radeon_encoder
= to_radeon_encoder(encoder
);
419 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->write_latency_fields
)
420 radeon_encoder
->audio
->write_latency_fields(encoder
, connector
, mode
);
423 struct r600_audio_pin
* radeon_audio_get_pin(struct drm_encoder
*encoder
)
425 struct radeon_device
*rdev
= encoder
->dev
->dev_private
;
426 struct radeon_encoder
*radeon_encoder
= to_radeon_encoder(encoder
);
428 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->get_pin
)
429 return radeon_encoder
->audio
->get_pin(rdev
);
434 void radeon_audio_select_pin(struct drm_encoder
*encoder
)
436 struct radeon_encoder
*radeon_encoder
= to_radeon_encoder(encoder
);
438 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->select_pin
)
439 radeon_encoder
->audio
->select_pin(encoder
);
442 void radeon_audio_enable(struct radeon_device
*rdev
,
443 struct r600_audio_pin
*pin
, u8 enable_mask
)
445 if (rdev
->audio
.funcs
->enable
)
446 rdev
->audio
.funcs
->enable(rdev
, pin
, enable_mask
);
449 void radeon_audio_fini(struct radeon_device
*rdev
)
453 if (!rdev
->audio
.enabled
)
456 for (i
= 0; i
< rdev
->audio
.num_pins
; i
++)
457 radeon_audio_enable(rdev
, &rdev
->audio
.pin
[i
], false);
459 rdev
->audio
.enabled
= false;
462 void radeon_audio_set_dto(struct drm_encoder
*encoder
, unsigned int clock
)
464 struct radeon_device
*rdev
= encoder
->dev
->dev_private
;
465 struct radeon_encoder
*radeon_encoder
= to_radeon_encoder(encoder
);
466 struct radeon_crtc
*crtc
= to_radeon_crtc(encoder
->crtc
);
468 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->set_dto
)
469 radeon_encoder
->audio
->set_dto(rdev
, crtc
, clock
);
472 int radeon_audio_set_avi_packet(struct drm_encoder
*encoder
,
473 struct drm_display_mode
*mode
)
475 struct radeon_device
*rdev
= encoder
->dev
->dev_private
;
476 struct radeon_encoder
*radeon_encoder
= to_radeon_encoder(encoder
);
477 struct radeon_encoder_atom_dig
*dig
= radeon_encoder
->enc_priv
;
478 u8 buffer
[HDMI_INFOFRAME_HEADER_SIZE
+ HDMI_AVI_INFOFRAME_SIZE
];
479 struct hdmi_avi_infoframe frame
;
482 err
= drm_hdmi_avi_infoframe_from_display_mode(&frame
, mode
);
484 DRM_ERROR("failed to setup AVI infoframe: %d\n", err
);
488 err
= hdmi_avi_infoframe_pack(&frame
, buffer
, sizeof(buffer
));
490 DRM_ERROR("failed to pack AVI infoframe: %d\n", err
);
494 if (dig
&& dig
->afmt
&&
495 radeon_encoder
->audio
&& radeon_encoder
->audio
->set_avi_packet
)
496 radeon_encoder
->audio
->set_avi_packet(rdev
, dig
->afmt
->offset
,
497 buffer
, sizeof(buffer
));
503 * calculate CTS and N values if they are not found in the table
505 static void radeon_audio_calc_cts(unsigned int clock
, int *CTS
, int *N
, int freq
)
508 unsigned long div
, mul
;
510 /* Safe, but overly large values */
514 /* Smallest valid fraction */
521 * The optimal N is 128*freq/1000. Calculate the closest larger
522 * value that doesn't truncate any bits.
524 mul
= ((128*freq
/1000) + (n
-1))/n
;
529 /* Check that we are in spec (not always possible) */
530 if (n
< (128*freq
/1500))
531 printk(KERN_WARNING
"Calculated ACR N value is too small. You may experience audio problems.\n");
532 if (n
> (128*freq
/300))
533 printk(KERN_WARNING
"Calculated ACR N value is too large. You may experience audio problems.\n");
538 DRM_DEBUG("Calculated ACR timing N=%d CTS=%d for frequency %d\n",
542 static const struct radeon_hdmi_acr
* radeon_audio_acr(unsigned int clock
)
544 static struct radeon_hdmi_acr res
;
547 static const struct radeon_hdmi_acr hdmi_predefined_acr
[] = {
548 /* 32kHz 44.1kHz 48kHz */
549 /* Clock N CTS N CTS N CTS */
550 { 25175, 4096, 25175, 28224, 125875, 6144, 25175 }, /* 25,20/1.001 MHz */
551 { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */
552 { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */
553 { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */
554 { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */
555 { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */
556 { 74176, 4096, 74176, 5733, 75335, 6144, 74176 }, /* 74.25/1.001 MHz */
557 { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */
558 { 148352, 4096, 148352, 5733, 150670, 6144, 148352 }, /* 148.50/1.001 MHz */
559 { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */
562 /* Precalculated values for common clocks */
563 for (i
= 0; i
< ARRAY_SIZE(hdmi_predefined_acr
); i
++)
564 if (hdmi_predefined_acr
[i
].clock
== clock
)
565 return &hdmi_predefined_acr
[i
];
567 /* And odd clocks get manually calculated */
568 radeon_audio_calc_cts(clock
, &res
.cts_32khz
, &res
.n_32khz
, 32000);
569 radeon_audio_calc_cts(clock
, &res
.cts_44_1khz
, &res
.n_44_1khz
, 44100);
570 radeon_audio_calc_cts(clock
, &res
.cts_48khz
, &res
.n_48khz
, 48000);
576 * update the N and CTS parameters for a given pixel clock rate
578 void radeon_audio_update_acr(struct drm_encoder
*encoder
, unsigned int clock
)
580 const struct radeon_hdmi_acr
*acr
= radeon_audio_acr(clock
);
581 struct radeon_encoder
*radeon_encoder
= to_radeon_encoder(encoder
);
582 struct radeon_encoder_atom_dig
*dig
= radeon_encoder
->enc_priv
;
584 if (!dig
|| !dig
->afmt
)
587 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->update_acr
)
588 radeon_encoder
->audio
->update_acr(encoder
, dig
->afmt
->offset
, acr
);
591 void radeon_audio_set_vbi_packet(struct drm_encoder
*encoder
)
593 struct radeon_encoder
*radeon_encoder
= to_radeon_encoder(encoder
);
594 struct radeon_encoder_atom_dig
*dig
= radeon_encoder
->enc_priv
;
596 if (!dig
|| !dig
->afmt
)
599 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->set_vbi_packet
)
600 radeon_encoder
->audio
->set_vbi_packet(encoder
, dig
->afmt
->offset
);
603 void radeon_hdmi_set_color_depth(struct drm_encoder
*encoder
)
606 struct radeon_encoder
*radeon_encoder
= to_radeon_encoder(encoder
);
607 struct radeon_encoder_atom_dig
*dig
= radeon_encoder
->enc_priv
;
609 if (!dig
|| !dig
->afmt
)
613 struct radeon_crtc
*radeon_crtc
= to_radeon_crtc(encoder
->crtc
);
614 bpc
= radeon_crtc
->bpc
;
617 if (radeon_encoder
->audio
&& radeon_encoder
->audio
->set_color_depth
)
618 radeon_encoder
->audio
->set_color_depth(encoder
, dig
->afmt
->offset
, bpc
);