drm/radeon: handle vfct with multiple vbios images
[pandora-kernel.git] / drivers / gpu / drm / radeon / r600_hdmi.c
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Christian König.
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: Christian König
25  */
26 #include "drmP.h"
27 #include "radeon_drm.h"
28 #include "radeon.h"
29 #include "radeon_asic.h"
30 #include "atom.h"
31
32 /*
33  * HDMI color format
34  */
35 enum r600_hdmi_color_format {
36         RGB = 0,
37         YCC_422 = 1,
38         YCC_444 = 2
39 };
40
41 /*
42  * IEC60958 status bits
43  */
44 enum r600_hdmi_iec_status_bits {
45         AUDIO_STATUS_DIG_ENABLE   = 0x01,
46         AUDIO_STATUS_V            = 0x02,
47         AUDIO_STATUS_VCFG         = 0x04,
48         AUDIO_STATUS_EMPHASIS     = 0x08,
49         AUDIO_STATUS_COPYRIGHT    = 0x10,
50         AUDIO_STATUS_NONAUDIO     = 0x20,
51         AUDIO_STATUS_PROFESSIONAL = 0x40,
52         AUDIO_STATUS_LEVEL        = 0x80
53 };
54
55 struct {
56         uint32_t Clock;
57
58         int N_32kHz;
59         int CTS_32kHz;
60
61         int N_44_1kHz;
62         int CTS_44_1kHz;
63
64         int N_48kHz;
65         int CTS_48kHz;
66
67 } r600_hdmi_ACR[] = {
68     /*       32kHz        44.1kHz       48kHz    */
69     /* Clock      N     CTS      N     CTS      N     CTS */
70     {  25174,  4576,  28125,  7007,  31250,  6864,  28125 }, /*  25,20/1.001 MHz */
71     {  25200,  4096,  25200,  6272,  28000,  6144,  25200 }, /*  25.20       MHz */
72     {  27000,  4096,  27000,  6272,  30000,  6144,  27000 }, /*  27.00       MHz */
73     {  27027,  4096,  27027,  6272,  30030,  6144,  27027 }, /*  27.00*1.001 MHz */
74     {  54000,  4096,  54000,  6272,  60000,  6144,  54000 }, /*  54.00       MHz */
75     {  54054,  4096,  54054,  6272,  60060,  6144,  54054 }, /*  54.00*1.001 MHz */
76     {  74175, 11648, 210937, 17836, 234375, 11648, 140625 }, /*  74.25/1.001 MHz */
77     {  74250,  4096,  74250,  6272,  82500,  6144,  74250 }, /*  74.25       MHz */
78     { 148351, 11648, 421875,  8918, 234375,  5824, 140625 }, /* 148.50/1.001 MHz */
79     { 148500,  4096, 148500,  6272, 165000,  6144, 148500 }, /* 148.50       MHz */
80     {      0,  4096,      0,  6272,      0,  6144,      0 }  /* Other */
81 };
82
83 /*
84  * calculate CTS value if it's not found in the table
85  */
86 static void r600_hdmi_calc_CTS(uint32_t clock, int *CTS, int N, int freq)
87 {
88         if (*CTS == 0)
89                 *CTS = clock * N / (128 * freq) * 1000;
90         DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n",
91                   N, *CTS, freq);
92 }
93
94 /*
95  * update the N and CTS parameters for a given pixel clock rate
96  */
97 static void r600_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock)
98 {
99         struct drm_device *dev = encoder->dev;
100         struct radeon_device *rdev = dev->dev_private;
101         uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
102         int CTS;
103         int N;
104         int i;
105
106         for (i = 0; r600_hdmi_ACR[i].Clock != clock && r600_hdmi_ACR[i].Clock != 0; i++);
107
108         CTS = r600_hdmi_ACR[i].CTS_32kHz;
109         N = r600_hdmi_ACR[i].N_32kHz;
110         r600_hdmi_calc_CTS(clock, &CTS, N, 32000);
111         WREG32(offset+R600_HDMI_32kHz_CTS, CTS << 12);
112         WREG32(offset+R600_HDMI_32kHz_N, N);
113
114         CTS = r600_hdmi_ACR[i].CTS_44_1kHz;
115         N = r600_hdmi_ACR[i].N_44_1kHz;
116         r600_hdmi_calc_CTS(clock, &CTS, N, 44100);
117         WREG32(offset+R600_HDMI_44_1kHz_CTS, CTS << 12);
118         WREG32(offset+R600_HDMI_44_1kHz_N, N);
119
120         CTS = r600_hdmi_ACR[i].CTS_48kHz;
121         N = r600_hdmi_ACR[i].N_48kHz;
122         r600_hdmi_calc_CTS(clock, &CTS, N, 48000);
123         WREG32(offset+R600_HDMI_48kHz_CTS, CTS << 12);
124         WREG32(offset+R600_HDMI_48kHz_N, N);
125 }
126
127 /*
128  * calculate the crc for a given info frame
129  */
130 static void r600_hdmi_infoframe_checksum(uint8_t packetType,
131                                          uint8_t versionNumber,
132                                          uint8_t length,
133                                          uint8_t *frame)
134 {
135         int i;
136         frame[0] = packetType + versionNumber + length;
137         for (i = 1; i <= length; i++)
138                 frame[0] += frame[i];
139         frame[0] = 0x100 - frame[0];
140 }
141
142 /*
143  * build a HDMI Video Info Frame
144  */
145 static void r600_hdmi_videoinfoframe(
146         struct drm_encoder *encoder,
147         enum r600_hdmi_color_format color_format,
148         int active_information_present,
149         uint8_t active_format_aspect_ratio,
150         uint8_t scan_information,
151         uint8_t colorimetry,
152         uint8_t ex_colorimetry,
153         uint8_t quantization,
154         int ITC,
155         uint8_t picture_aspect_ratio,
156         uint8_t video_format_identification,
157         uint8_t pixel_repetition,
158         uint8_t non_uniform_picture_scaling,
159         uint8_t bar_info_data_valid,
160         uint16_t top_bar,
161         uint16_t bottom_bar,
162         uint16_t left_bar,
163         uint16_t right_bar
164 )
165 {
166         struct drm_device *dev = encoder->dev;
167         struct radeon_device *rdev = dev->dev_private;
168         uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
169
170         uint8_t frame[14];
171
172         frame[0x0] = 0;
173         frame[0x1] =
174                 (scan_information & 0x3) |
175                 ((bar_info_data_valid & 0x3) << 2) |
176                 ((active_information_present & 0x1) << 4) |
177                 ((color_format & 0x3) << 5);
178         frame[0x2] =
179                 (active_format_aspect_ratio & 0xF) |
180                 ((picture_aspect_ratio & 0x3) << 4) |
181                 ((colorimetry & 0x3) << 6);
182         frame[0x3] =
183                 (non_uniform_picture_scaling & 0x3) |
184                 ((quantization & 0x3) << 2) |
185                 ((ex_colorimetry & 0x7) << 4) |
186                 ((ITC & 0x1) << 7);
187         frame[0x4] = (video_format_identification & 0x7F);
188         frame[0x5] = (pixel_repetition & 0xF);
189         frame[0x6] = (top_bar & 0xFF);
190         frame[0x7] = (top_bar >> 8);
191         frame[0x8] = (bottom_bar & 0xFF);
192         frame[0x9] = (bottom_bar >> 8);
193         frame[0xA] = (left_bar & 0xFF);
194         frame[0xB] = (left_bar >> 8);
195         frame[0xC] = (right_bar & 0xFF);
196         frame[0xD] = (right_bar >> 8);
197
198         r600_hdmi_infoframe_checksum(0x82, 0x02, 0x0D, frame);
199         /* Our header values (type, version, length) should be alright, Intel
200          * is using the same. Checksum function also seems to be OK, it works
201          * fine for audio infoframe. However calculated value is always lower
202          * by 2 in comparison to fglrx. It breaks displaying anything in case
203          * of TVs that strictly check the checksum. Hack it manually here to
204          * workaround this issue. */
205         frame[0x0] += 2;
206
207         WREG32(offset+R600_HDMI_VIDEOINFOFRAME_0,
208                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
209         WREG32(offset+R600_HDMI_VIDEOINFOFRAME_1,
210                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
211         WREG32(offset+R600_HDMI_VIDEOINFOFRAME_2,
212                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
213         WREG32(offset+R600_HDMI_VIDEOINFOFRAME_3,
214                 frame[0xC] | (frame[0xD] << 8));
215 }
216
217 /*
218  * build a Audio Info Frame
219  */
220 static void r600_hdmi_audioinfoframe(
221         struct drm_encoder *encoder,
222         uint8_t channel_count,
223         uint8_t coding_type,
224         uint8_t sample_size,
225         uint8_t sample_frequency,
226         uint8_t format,
227         uint8_t channel_allocation,
228         uint8_t level_shift,
229         int downmix_inhibit
230 )
231 {
232         struct drm_device *dev = encoder->dev;
233         struct radeon_device *rdev = dev->dev_private;
234         uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
235
236         uint8_t frame[11];
237
238         frame[0x0] = 0;
239         frame[0x1] = (channel_count & 0x7) | ((coding_type & 0xF) << 4);
240         frame[0x2] = (sample_size & 0x3) | ((sample_frequency & 0x7) << 2);
241         frame[0x3] = format;
242         frame[0x4] = channel_allocation;
243         frame[0x5] = ((level_shift & 0xF) << 3) | ((downmix_inhibit & 0x1) << 7);
244         frame[0x6] = 0;
245         frame[0x7] = 0;
246         frame[0x8] = 0;
247         frame[0x9] = 0;
248         frame[0xA] = 0;
249
250         r600_hdmi_infoframe_checksum(0x84, 0x01, 0x0A, frame);
251
252         WREG32(offset+R600_HDMI_AUDIOINFOFRAME_0,
253                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
254         WREG32(offset+R600_HDMI_AUDIOINFOFRAME_1,
255                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x8] << 24));
256 }
257
258 /*
259  * test if audio buffer is filled enough to start playing
260  */
261 static int r600_hdmi_is_audio_buffer_filled(struct drm_encoder *encoder)
262 {
263         struct drm_device *dev = encoder->dev;
264         struct radeon_device *rdev = dev->dev_private;
265         uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
266
267         return (RREG32(offset+R600_HDMI_STATUS) & 0x10) != 0;
268 }
269
270 /*
271  * have buffer status changed since last call?
272  */
273 int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder)
274 {
275         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
276         int status, result;
277
278         if (!radeon_encoder->hdmi_offset)
279                 return 0;
280
281         status = r600_hdmi_is_audio_buffer_filled(encoder);
282         result = radeon_encoder->hdmi_buffer_status != status;
283         radeon_encoder->hdmi_buffer_status = status;
284
285         return result;
286 }
287
288 /*
289  * write the audio workaround status to the hardware
290  */
291 void r600_hdmi_audio_workaround(struct drm_encoder *encoder)
292 {
293         struct drm_device *dev = encoder->dev;
294         struct radeon_device *rdev = dev->dev_private;
295         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
296         uint32_t offset = radeon_encoder->hdmi_offset;
297
298         if (!offset)
299                 return;
300
301         if (!radeon_encoder->hdmi_audio_workaround ||
302                 r600_hdmi_is_audio_buffer_filled(encoder)) {
303
304                 /* disable audio workaround */
305                 WREG32_P(offset+R600_HDMI_CNTL, 0x00000001, ~0x00001001);
306
307         } else {
308                 /* enable audio workaround */
309                 WREG32_P(offset+R600_HDMI_CNTL, 0x00001001, ~0x00001001);
310         }
311 }
312
313
314 /*
315  * update the info frames with the data from the current display mode
316  */
317 void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode)
318 {
319         struct drm_device *dev = encoder->dev;
320         struct radeon_device *rdev = dev->dev_private;
321         uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
322
323         if (ASIC_IS_DCE4(rdev))
324                 return;
325
326         if (!offset)
327                 return;
328
329         r600_audio_set_clock(encoder, mode->clock);
330
331         WREG32(offset+R600_HDMI_UNKNOWN_0, 0x1000);
332         WREG32(offset+R600_HDMI_UNKNOWN_1, 0x0);
333         WREG32(offset+R600_HDMI_UNKNOWN_2, 0x1000);
334
335         r600_hdmi_update_ACR(encoder, mode->clock);
336
337         WREG32(offset+R600_HDMI_VIDEOCNTL, 0x13);
338
339         WREG32(offset+R600_HDMI_VERSION, 0x202);
340
341         r600_hdmi_videoinfoframe(encoder, RGB, 0, 0, 0, 0,
342                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
343
344         /* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */
345         WREG32(offset+R600_HDMI_AUDIO_DEBUG_0, 0x00FFFFFF);
346         WREG32(offset+R600_HDMI_AUDIO_DEBUG_1, 0x007FFFFF);
347         WREG32(offset+R600_HDMI_AUDIO_DEBUG_2, 0x00000001);
348         WREG32(offset+R600_HDMI_AUDIO_DEBUG_3, 0x00000001);
349
350         r600_hdmi_audio_workaround(encoder);
351
352         /* audio packets per line, does anyone know how to calc this ? */
353         WREG32_P(offset+R600_HDMI_CNTL, 0x00040000, ~0x001F0000);
354 }
355
356 /*
357  * update settings with current parameters from audio engine
358  */
359 void r600_hdmi_update_audio_settings(struct drm_encoder *encoder)
360 {
361         struct drm_device *dev = encoder->dev;
362         struct radeon_device *rdev = dev->dev_private;
363         uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
364
365         int channels = r600_audio_channels(rdev);
366         int rate = r600_audio_rate(rdev);
367         int bps = r600_audio_bits_per_sample(rdev);
368         uint8_t status_bits = r600_audio_status_bits(rdev);
369         uint8_t category_code = r600_audio_category_code(rdev);
370
371         uint32_t iec;
372
373         if (!offset)
374                 return;
375
376         DRM_DEBUG("%s with %d channels, %d Hz sampling rate, %d bits per sample,\n",
377                  r600_hdmi_is_audio_buffer_filled(encoder) ? "playing" : "stopped",
378                 channels, rate, bps);
379         DRM_DEBUG("0x%02X IEC60958 status bits and 0x%02X category code\n",
380                   (int)status_bits, (int)category_code);
381
382         iec = 0;
383         if (status_bits & AUDIO_STATUS_PROFESSIONAL)
384                 iec |= 1 << 0;
385         if (status_bits & AUDIO_STATUS_NONAUDIO)
386                 iec |= 1 << 1;
387         if (status_bits & AUDIO_STATUS_COPYRIGHT)
388                 iec |= 1 << 2;
389         if (status_bits & AUDIO_STATUS_EMPHASIS)
390                 iec |= 1 << 3;
391
392         iec |= category_code << 8;
393
394         switch (rate) {
395         case  32000: iec |= 0x3 << 24; break;
396         case  44100: iec |= 0x0 << 24; break;
397         case  88200: iec |= 0x8 << 24; break;
398         case 176400: iec |= 0xc << 24; break;
399         case  48000: iec |= 0x2 << 24; break;
400         case  96000: iec |= 0xa << 24; break;
401         case 192000: iec |= 0xe << 24; break;
402         }
403
404         WREG32(offset+R600_HDMI_IEC60958_1, iec);
405
406         iec = 0;
407         switch (bps) {
408         case 16: iec |= 0x2; break;
409         case 20: iec |= 0x3; break;
410         case 24: iec |= 0xb; break;
411         }
412         if (status_bits & AUDIO_STATUS_V)
413                 iec |= 0x5 << 16;
414
415         WREG32_P(offset+R600_HDMI_IEC60958_2, iec, ~0x5000f);
416
417         /* 0x021 or 0x031 sets the audio frame length */
418         WREG32(offset+R600_HDMI_AUDIOCNTL, 0x31);
419         r600_hdmi_audioinfoframe(encoder, channels-1, 0, 0, 0, 0, 0, 0, 0);
420
421         r600_hdmi_audio_workaround(encoder);
422 }
423
424 static int r600_hdmi_find_free_block(struct drm_device *dev)
425 {
426         struct radeon_device *rdev = dev->dev_private;
427         struct drm_encoder *encoder;
428         struct radeon_encoder *radeon_encoder;
429         bool free_blocks[3] = { true, true, true };
430
431         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
432                 radeon_encoder = to_radeon_encoder(encoder);
433                 switch (radeon_encoder->hdmi_offset) {
434                 case R600_HDMI_BLOCK1:
435                         free_blocks[0] = false;
436                         break;
437                 case R600_HDMI_BLOCK2:
438                         free_blocks[1] = false;
439                         break;
440                 case R600_HDMI_BLOCK3:
441                         free_blocks[2] = false;
442                         break;
443                 }
444         }
445
446         if (rdev->family == CHIP_RS600 || rdev->family == CHIP_RS690 ||
447             rdev->family == CHIP_RS740) {
448                 return free_blocks[0] ? R600_HDMI_BLOCK1 : 0;
449         } else if (rdev->family >= CHIP_R600) {
450                 if (free_blocks[0])
451                         return R600_HDMI_BLOCK1;
452                 else if (free_blocks[1])
453                         return R600_HDMI_BLOCK2;
454         }
455         return 0;
456 }
457
458 static void r600_hdmi_assign_block(struct drm_encoder *encoder)
459 {
460         struct drm_device *dev = encoder->dev;
461         struct radeon_device *rdev = dev->dev_private;
462         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
463         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
464
465         if (!dig) {
466                 dev_err(rdev->dev, "Enabling HDMI on non-dig encoder\n");
467                 return;
468         }
469
470         if (ASIC_IS_DCE4(rdev)) {
471                 /* TODO */
472         } else if (ASIC_IS_DCE3(rdev)) {
473                 radeon_encoder->hdmi_offset = dig->dig_encoder ?
474                         R600_HDMI_BLOCK3 : R600_HDMI_BLOCK1;
475                 if (ASIC_IS_DCE32(rdev))
476                         radeon_encoder->hdmi_config_offset = dig->dig_encoder ?
477                                 R600_HDMI_CONFIG2 : R600_HDMI_CONFIG1;
478         } else if (rdev->family >= CHIP_R600 || rdev->family == CHIP_RS600 ||
479                    rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
480                 radeon_encoder->hdmi_offset = r600_hdmi_find_free_block(dev);
481         }
482 }
483
484 /*
485  * enable the HDMI engine
486  */
487 void r600_hdmi_enable(struct drm_encoder *encoder)
488 {
489         struct drm_device *dev = encoder->dev;
490         struct radeon_device *rdev = dev->dev_private;
491         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
492         uint32_t offset;
493
494         if (ASIC_IS_DCE4(rdev))
495                 return;
496
497         if (!radeon_encoder->hdmi_offset) {
498                 r600_hdmi_assign_block(encoder);
499                 if (!radeon_encoder->hdmi_offset) {
500                         dev_warn(rdev->dev, "Could not find HDMI block for "
501                                 "0x%x encoder\n", radeon_encoder->encoder_id);
502                         return;
503                 }
504         }
505
506         offset = radeon_encoder->hdmi_offset;
507         if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) {
508                 WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0x1, ~0x1);
509         } else if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) {
510                 switch (radeon_encoder->encoder_id) {
511                 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
512                         WREG32_P(AVIVO_TMDSA_CNTL, 0x4, ~0x4);
513                         WREG32(offset + R600_HDMI_ENABLE, 0x101);
514                         break;
515                 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
516                         WREG32_P(AVIVO_LVTMA_CNTL, 0x4, ~0x4);
517                         WREG32(offset + R600_HDMI_ENABLE, 0x105);
518                         break;
519                 default:
520                         dev_err(rdev->dev, "Unknown HDMI output type\n");
521                         break;
522                 }
523         }
524
525         if (rdev->irq.installed
526             && rdev->family != CHIP_RS600
527             && rdev->family != CHIP_RS690
528             && rdev->family != CHIP_RS740) {
529
530                 /* if irq is available use it */
531                 rdev->irq.hdmi[offset == R600_HDMI_BLOCK1 ? 0 : 1] = true;
532                 radeon_irq_set(rdev);
533
534                 r600_audio_disable_polling(encoder);
535         } else {
536                 /* if not fallback to polling */
537                 r600_audio_enable_polling(encoder);
538         }
539
540         DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n",
541                 radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
542 }
543
544 /*
545  * disable the HDMI engine
546  */
547 void r600_hdmi_disable(struct drm_encoder *encoder)
548 {
549         struct drm_device *dev = encoder->dev;
550         struct radeon_device *rdev = dev->dev_private;
551         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
552         uint32_t offset;
553
554         if (ASIC_IS_DCE4(rdev))
555                 return;
556
557         offset = radeon_encoder->hdmi_offset;
558         if (!offset) {
559                 dev_err(rdev->dev, "Disabling not enabled HDMI\n");
560                 return;
561         }
562
563         DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n",
564                 offset, radeon_encoder->encoder_id);
565
566         /* disable irq */
567         rdev->irq.hdmi[offset == R600_HDMI_BLOCK1 ? 0 : 1] = false;
568         radeon_irq_set(rdev);
569
570         /* disable polling */
571         r600_audio_disable_polling(encoder);
572
573         if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) {
574                 WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0, ~0x1);
575         } else if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) {
576                 switch (radeon_encoder->encoder_id) {
577                 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
578                         WREG32_P(AVIVO_TMDSA_CNTL, 0, ~0x4);
579                         WREG32(offset + R600_HDMI_ENABLE, 0);
580                         break;
581                 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
582                         WREG32_P(AVIVO_LVTMA_CNTL, 0, ~0x4);
583                         WREG32(offset + R600_HDMI_ENABLE, 0);
584                         break;
585                 default:
586                         dev_err(rdev->dev, "Unknown HDMI output type\n");
587                         break;
588                 }
589         }
590
591         radeon_encoder->hdmi_offset = 0;
592         radeon_encoder->hdmi_config_offset = 0;
593 }