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dafc3bd5 CK |
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" | |
3574dda4 | 29 | #include "radeon_asic.h" |
dafc3bd5 CK |
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, | |
3fe373d9 RM |
46 | AUDIO_STATUS_V = 0x02, |
47 | AUDIO_STATUS_VCFG = 0x04, | |
dafc3bd5 CK |
48 | AUDIO_STATUS_EMPHASIS = 0x08, |
49 | AUDIO_STATUS_COPYRIGHT = 0x10, | |
50 | AUDIO_STATUS_NONAUDIO = 0x20, | |
51 | AUDIO_STATUS_PROFESSIONAL = 0x40, | |
3fe373d9 | 52 | AUDIO_STATUS_LEVEL = 0x80 |
dafc3bd5 CK |
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) | |
3fe373d9 | 89 | *CTS = clock * N / (128 * freq) * 1000; |
dafc3bd5 CK |
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 | { | |
3fe373d9 RM |
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]; | |
dafc3bd5 CK |
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 | ||
200 | WREG32(offset+R600_HDMI_VIDEOINFOFRAME_0, | |
201 | frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); | |
202 | WREG32(offset+R600_HDMI_VIDEOINFOFRAME_1, | |
203 | frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); | |
204 | WREG32(offset+R600_HDMI_VIDEOINFOFRAME_2, | |
205 | frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); | |
206 | WREG32(offset+R600_HDMI_VIDEOINFOFRAME_3, | |
207 | frame[0xC] | (frame[0xD] << 8)); | |
208 | } | |
209 | ||
210 | /* | |
211 | * build a Audio Info Frame | |
212 | */ | |
213 | static void r600_hdmi_audioinfoframe( | |
214 | struct drm_encoder *encoder, | |
215 | uint8_t channel_count, | |
216 | uint8_t coding_type, | |
217 | uint8_t sample_size, | |
218 | uint8_t sample_frequency, | |
219 | uint8_t format, | |
220 | uint8_t channel_allocation, | |
221 | uint8_t level_shift, | |
222 | int downmix_inhibit | |
223 | ) | |
224 | { | |
225 | struct drm_device *dev = encoder->dev; | |
226 | struct radeon_device *rdev = dev->dev_private; | |
227 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
228 | ||
229 | uint8_t frame[11]; | |
230 | ||
231 | frame[0x0] = 0; | |
232 | frame[0x1] = (channel_count & 0x7) | ((coding_type & 0xF) << 4); | |
233 | frame[0x2] = (sample_size & 0x3) | ((sample_frequency & 0x7) << 2); | |
234 | frame[0x3] = format; | |
235 | frame[0x4] = channel_allocation; | |
236 | frame[0x5] = ((level_shift & 0xF) << 3) | ((downmix_inhibit & 0x1) << 7); | |
237 | frame[0x6] = 0; | |
238 | frame[0x7] = 0; | |
239 | frame[0x8] = 0; | |
240 | frame[0x9] = 0; | |
241 | frame[0xA] = 0; | |
242 | ||
243 | r600_hdmi_infoframe_checksum(0x84, 0x01, 0x0A, frame); | |
244 | ||
245 | WREG32(offset+R600_HDMI_AUDIOINFOFRAME_0, | |
246 | frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); | |
247 | WREG32(offset+R600_HDMI_AUDIOINFOFRAME_1, | |
248 | frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x8] << 24)); | |
249 | } | |
250 | ||
251 | /* | |
252 | * test if audio buffer is filled enough to start playing | |
253 | */ | |
254 | static int r600_hdmi_is_audio_buffer_filled(struct drm_encoder *encoder) | |
255 | { | |
256 | struct drm_device *dev = encoder->dev; | |
257 | struct radeon_device *rdev = dev->dev_private; | |
258 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
259 | ||
260 | return (RREG32(offset+R600_HDMI_STATUS) & 0x10) != 0; | |
261 | } | |
262 | ||
263 | /* | |
264 | * have buffer status changed since last call? | |
265 | */ | |
266 | int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder) | |
267 | { | |
268 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
269 | int status, result; | |
270 | ||
271 | if (!radeon_encoder->hdmi_offset) | |
272 | return 0; | |
273 | ||
274 | status = r600_hdmi_is_audio_buffer_filled(encoder); | |
275 | result = radeon_encoder->hdmi_buffer_status != status; | |
276 | radeon_encoder->hdmi_buffer_status = status; | |
277 | ||
278 | return result; | |
279 | } | |
280 | ||
281 | /* | |
282 | * write the audio workaround status to the hardware | |
283 | */ | |
284 | void r600_hdmi_audio_workaround(struct drm_encoder *encoder) | |
285 | { | |
286 | struct drm_device *dev = encoder->dev; | |
287 | struct radeon_device *rdev = dev->dev_private; | |
288 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
289 | uint32_t offset = radeon_encoder->hdmi_offset; | |
290 | ||
291 | if (!offset) | |
292 | return; | |
293 | ||
f2594933 CK |
294 | if (!radeon_encoder->hdmi_audio_workaround || |
295 | r600_hdmi_is_audio_buffer_filled(encoder)) { | |
dafc3bd5 | 296 | |
f2594933 CK |
297 | /* disable audio workaround */ |
298 | WREG32_P(offset+R600_HDMI_CNTL, 0x00000001, ~0x00001001); | |
dafc3bd5 CK |
299 | |
300 | } else { | |
f2594933 CK |
301 | /* enable audio workaround */ |
302 | WREG32_P(offset+R600_HDMI_CNTL, 0x00001001, ~0x00001001); | |
dafc3bd5 CK |
303 | } |
304 | } | |
305 | ||
306 | ||
307 | /* | |
308 | * update the info frames with the data from the current display mode | |
309 | */ | |
310 | void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode) | |
311 | { | |
312 | struct drm_device *dev = encoder->dev; | |
313 | struct radeon_device *rdev = dev->dev_private; | |
314 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
315 | ||
16823d16 AD |
316 | if (ASIC_IS_DCE4(rdev)) |
317 | return; | |
318 | ||
dafc3bd5 CK |
319 | if (!offset) |
320 | return; | |
321 | ||
322 | r600_audio_set_clock(encoder, mode->clock); | |
323 | ||
324 | WREG32(offset+R600_HDMI_UNKNOWN_0, 0x1000); | |
325 | WREG32(offset+R600_HDMI_UNKNOWN_1, 0x0); | |
326 | WREG32(offset+R600_HDMI_UNKNOWN_2, 0x1000); | |
327 | ||
328 | r600_hdmi_update_ACR(encoder, mode->clock); | |
329 | ||
330 | WREG32(offset+R600_HDMI_VIDEOCNTL, 0x13); | |
331 | ||
332 | WREG32(offset+R600_HDMI_VERSION, 0x202); | |
333 | ||
334 | r600_hdmi_videoinfoframe(encoder, RGB, 0, 0, 0, 0, | |
335 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
336 | ||
25985edc | 337 | /* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */ |
dafc3bd5 CK |
338 | WREG32(offset+R600_HDMI_AUDIO_DEBUG_0, 0x00FFFFFF); |
339 | WREG32(offset+R600_HDMI_AUDIO_DEBUG_1, 0x007FFFFF); | |
340 | WREG32(offset+R600_HDMI_AUDIO_DEBUG_2, 0x00000001); | |
341 | WREG32(offset+R600_HDMI_AUDIO_DEBUG_3, 0x00000001); | |
342 | ||
343 | r600_hdmi_audio_workaround(encoder); | |
344 | ||
345 | /* audio packets per line, does anyone know how to calc this ? */ | |
346 | WREG32_P(offset+R600_HDMI_CNTL, 0x00040000, ~0x001F0000); | |
dafc3bd5 CK |
347 | } |
348 | ||
349 | /* | |
350 | * update settings with current parameters from audio engine | |
351 | */ | |
58bd0863 | 352 | void r600_hdmi_update_audio_settings(struct drm_encoder *encoder) |
dafc3bd5 CK |
353 | { |
354 | struct drm_device *dev = encoder->dev; | |
355 | struct radeon_device *rdev = dev->dev_private; | |
356 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
357 | ||
58bd0863 CK |
358 | int channels = r600_audio_channels(rdev); |
359 | int rate = r600_audio_rate(rdev); | |
360 | int bps = r600_audio_bits_per_sample(rdev); | |
361 | uint8_t status_bits = r600_audio_status_bits(rdev); | |
362 | uint8_t category_code = r600_audio_category_code(rdev); | |
363 | ||
dafc3bd5 CK |
364 | uint32_t iec; |
365 | ||
366 | if (!offset) | |
367 | return; | |
368 | ||
369 | DRM_DEBUG("%s with %d channels, %d Hz sampling rate, %d bits per sample,\n", | |
370 | r600_hdmi_is_audio_buffer_filled(encoder) ? "playing" : "stopped", | |
371 | channels, rate, bps); | |
372 | DRM_DEBUG("0x%02X IEC60958 status bits and 0x%02X category code\n", | |
373 | (int)status_bits, (int)category_code); | |
374 | ||
375 | iec = 0; | |
376 | if (status_bits & AUDIO_STATUS_PROFESSIONAL) | |
377 | iec |= 1 << 0; | |
378 | if (status_bits & AUDIO_STATUS_NONAUDIO) | |
379 | iec |= 1 << 1; | |
380 | if (status_bits & AUDIO_STATUS_COPYRIGHT) | |
381 | iec |= 1 << 2; | |
382 | if (status_bits & AUDIO_STATUS_EMPHASIS) | |
383 | iec |= 1 << 3; | |
384 | ||
385 | iec |= category_code << 8; | |
386 | ||
387 | switch (rate) { | |
388 | case 32000: iec |= 0x3 << 24; break; | |
389 | case 44100: iec |= 0x0 << 24; break; | |
390 | case 88200: iec |= 0x8 << 24; break; | |
391 | case 176400: iec |= 0xc << 24; break; | |
392 | case 48000: iec |= 0x2 << 24; break; | |
393 | case 96000: iec |= 0xa << 24; break; | |
394 | case 192000: iec |= 0xe << 24; break; | |
395 | } | |
396 | ||
397 | WREG32(offset+R600_HDMI_IEC60958_1, iec); | |
398 | ||
399 | iec = 0; | |
400 | switch (bps) { | |
401 | case 16: iec |= 0x2; break; | |
402 | case 20: iec |= 0x3; break; | |
403 | case 24: iec |= 0xb; break; | |
404 | } | |
405 | if (status_bits & AUDIO_STATUS_V) | |
406 | iec |= 0x5 << 16; | |
407 | ||
408 | WREG32_P(offset+R600_HDMI_IEC60958_2, iec, ~0x5000f); | |
409 | ||
410 | /* 0x021 or 0x031 sets the audio frame length */ | |
411 | WREG32(offset+R600_HDMI_AUDIOCNTL, 0x31); | |
412 | r600_hdmi_audioinfoframe(encoder, channels-1, 0, 0, 0, 0, 0, 0, 0); | |
413 | ||
414 | r600_hdmi_audio_workaround(encoder); | |
dafc3bd5 CK |
415 | } |
416 | ||
5715f67c RM |
417 | static int r600_hdmi_find_free_block(struct drm_device *dev) |
418 | { | |
419 | struct radeon_device *rdev = dev->dev_private; | |
420 | struct drm_encoder *encoder; | |
421 | struct radeon_encoder *radeon_encoder; | |
422 | bool free_blocks[3] = { true, true, true }; | |
423 | ||
424 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
425 | radeon_encoder = to_radeon_encoder(encoder); | |
426 | switch (radeon_encoder->hdmi_offset) { | |
427 | case R600_HDMI_BLOCK1: | |
428 | free_blocks[0] = false; | |
429 | break; | |
430 | case R600_HDMI_BLOCK2: | |
431 | free_blocks[1] = false; | |
432 | break; | |
433 | case R600_HDMI_BLOCK3: | |
434 | free_blocks[2] = false; | |
435 | break; | |
436 | } | |
437 | } | |
438 | ||
fe50ac78 RM |
439 | if (rdev->family == CHIP_RS600 || rdev->family == CHIP_RS690 || |
440 | rdev->family == CHIP_RS740) { | |
5715f67c RM |
441 | return free_blocks[0] ? R600_HDMI_BLOCK1 : 0; |
442 | } else if (rdev->family >= CHIP_R600) { | |
443 | if (free_blocks[0]) | |
444 | return R600_HDMI_BLOCK1; | |
445 | else if (free_blocks[1]) | |
446 | return R600_HDMI_BLOCK2; | |
447 | } | |
448 | return 0; | |
449 | } | |
450 | ||
2cd6218c | 451 | static void r600_hdmi_assign_block(struct drm_encoder *encoder) |
dafc3bd5 CK |
452 | { |
453 | struct drm_device *dev = encoder->dev; | |
454 | struct radeon_device *rdev = dev->dev_private; | |
455 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
2cd6218c | 456 | struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; |
dafc3bd5 | 457 | |
2cd6218c RM |
458 | if (!dig) { |
459 | dev_err(rdev->dev, "Enabling HDMI on non-dig encoder\n"); | |
dafc3bd5 | 460 | return; |
2cd6218c | 461 | } |
dafc3bd5 | 462 | |
2cd6218c RM |
463 | if (ASIC_IS_DCE4(rdev)) { |
464 | /* TODO */ | |
465 | } else if (ASIC_IS_DCE3(rdev)) { | |
466 | radeon_encoder->hdmi_offset = dig->dig_encoder ? | |
467 | R600_HDMI_BLOCK3 : R600_HDMI_BLOCK1; | |
468 | if (ASIC_IS_DCE32(rdev)) | |
469 | radeon_encoder->hdmi_config_offset = dig->dig_encoder ? | |
470 | R600_HDMI_CONFIG2 : R600_HDMI_CONFIG1; | |
fe50ac78 RM |
471 | } else if (rdev->family >= CHIP_R600 || rdev->family == CHIP_RS600 || |
472 | rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) { | |
5715f67c | 473 | radeon_encoder->hdmi_offset = r600_hdmi_find_free_block(dev); |
dafc3bd5 CK |
474 | } |
475 | } | |
476 | ||
477 | /* | |
2cd6218c | 478 | * enable the HDMI engine |
dafc3bd5 | 479 | */ |
2cd6218c | 480 | void r600_hdmi_enable(struct drm_encoder *encoder) |
dafc3bd5 | 481 | { |
2cd6218c RM |
482 | struct drm_device *dev = encoder->dev; |
483 | struct radeon_device *rdev = dev->dev_private; | |
dafc3bd5 | 484 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
f2594933 | 485 | uint32_t offset; |
dafc3bd5 | 486 | |
16823d16 AD |
487 | if (ASIC_IS_DCE4(rdev)) |
488 | return; | |
489 | ||
2cd6218c RM |
490 | if (!radeon_encoder->hdmi_offset) { |
491 | r600_hdmi_assign_block(encoder); | |
492 | if (!radeon_encoder->hdmi_offset) { | |
493 | dev_warn(rdev->dev, "Could not find HDMI block for " | |
494 | "0x%x encoder\n", radeon_encoder->encoder_id); | |
495 | return; | |
dafc3bd5 | 496 | } |
2cd6218c | 497 | } |
dafc3bd5 | 498 | |
f2594933 | 499 | offset = radeon_encoder->hdmi_offset; |
5715f67c | 500 | if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) { |
2cd6218c | 501 | WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0x1, ~0x1); |
5715f67c | 502 | } else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) { |
5715f67c RM |
503 | switch (radeon_encoder->encoder_id) { |
504 | case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: | |
505 | WREG32_P(AVIVO_TMDSA_CNTL, 0x4, ~0x4); | |
506 | WREG32(offset + R600_HDMI_ENABLE, 0x101); | |
507 | break; | |
508 | case ENCODER_OBJECT_ID_INTERNAL_LVTM1: | |
509 | WREG32_P(AVIVO_LVTMA_CNTL, 0x4, ~0x4); | |
510 | WREG32(offset + R600_HDMI_ENABLE, 0x105); | |
511 | break; | |
512 | default: | |
513 | dev_err(rdev->dev, "Unknown HDMI output type\n"); | |
514 | break; | |
515 | } | |
516 | } | |
2cd6218c | 517 | |
f2594933 CK |
518 | if (rdev->irq.installed |
519 | && rdev->family != CHIP_RS600 | |
520 | && rdev->family != CHIP_RS690 | |
521 | && rdev->family != CHIP_RS740) { | |
522 | ||
523 | /* if irq is available use it */ | |
524 | rdev->irq.hdmi[offset == R600_HDMI_BLOCK1 ? 0 : 1] = true; | |
525 | radeon_irq_set(rdev); | |
526 | ||
527 | r600_audio_disable_polling(encoder); | |
528 | } else { | |
529 | /* if not fallback to polling */ | |
530 | r600_audio_enable_polling(encoder); | |
531 | } | |
58bd0863 | 532 | |
2cd6218c RM |
533 | DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n", |
534 | radeon_encoder->hdmi_offset, radeon_encoder->encoder_id); | |
535 | } | |
dafc3bd5 | 536 | |
2cd6218c RM |
537 | /* |
538 | * disable the HDMI engine | |
539 | */ | |
540 | void r600_hdmi_disable(struct drm_encoder *encoder) | |
541 | { | |
542 | struct drm_device *dev = encoder->dev; | |
543 | struct radeon_device *rdev = dev->dev_private; | |
544 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
66989987 | 545 | uint32_t offset; |
2cd6218c | 546 | |
16823d16 AD |
547 | if (ASIC_IS_DCE4(rdev)) |
548 | return; | |
549 | ||
f2594933 CK |
550 | offset = radeon_encoder->hdmi_offset; |
551 | if (!offset) { | |
2cd6218c RM |
552 | dev_err(rdev->dev, "Disabling not enabled HDMI\n"); |
553 | return; | |
dafc3bd5 CK |
554 | } |
555 | ||
2cd6218c | 556 | DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n", |
f2594933 CK |
557 | offset, radeon_encoder->encoder_id); |
558 | ||
559 | /* disable irq */ | |
560 | rdev->irq.hdmi[offset == R600_HDMI_BLOCK1 ? 0 : 1] = false; | |
561 | radeon_irq_set(rdev); | |
562 | ||
563 | /* disable polling */ | |
564 | r600_audio_disable_polling(encoder); | |
2cd6218c | 565 | |
5715f67c | 566 | if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) { |
2cd6218c | 567 | WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0, ~0x1); |
5715f67c | 568 | } else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) { |
5715f67c RM |
569 | switch (radeon_encoder->encoder_id) { |
570 | case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: | |
571 | WREG32_P(AVIVO_TMDSA_CNTL, 0, ~0x4); | |
572 | WREG32(offset + R600_HDMI_ENABLE, 0); | |
573 | break; | |
574 | case ENCODER_OBJECT_ID_INTERNAL_LVTM1: | |
575 | WREG32_P(AVIVO_LVTMA_CNTL, 0, ~0x4); | |
576 | WREG32(offset + R600_HDMI_ENABLE, 0); | |
577 | break; | |
578 | default: | |
579 | dev_err(rdev->dev, "Unknown HDMI output type\n"); | |
580 | break; | |
581 | } | |
582 | } | |
dafc3bd5 | 583 | |
2cd6218c RM |
584 | radeon_encoder->hdmi_offset = 0; |
585 | radeon_encoder->hdmi_config_offset = 0; | |
dafc3bd5 | 586 | } |