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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" |
c6543a6e | 30 | #include "r600d.h" |
dafc3bd5 CK |
31 | #include "atom.h" |
32 | ||
33 | /* | |
34 | * HDMI color format | |
35 | */ | |
36 | enum r600_hdmi_color_format { | |
37 | RGB = 0, | |
38 | YCC_422 = 1, | |
39 | YCC_444 = 2 | |
40 | }; | |
41 | ||
42 | /* | |
43 | * IEC60958 status bits | |
44 | */ | |
45 | enum r600_hdmi_iec_status_bits { | |
46 | AUDIO_STATUS_DIG_ENABLE = 0x01, | |
3fe373d9 RM |
47 | AUDIO_STATUS_V = 0x02, |
48 | AUDIO_STATUS_VCFG = 0x04, | |
dafc3bd5 CK |
49 | AUDIO_STATUS_EMPHASIS = 0x08, |
50 | AUDIO_STATUS_COPYRIGHT = 0x10, | |
51 | AUDIO_STATUS_NONAUDIO = 0x20, | |
52 | AUDIO_STATUS_PROFESSIONAL = 0x40, | |
3fe373d9 | 53 | AUDIO_STATUS_LEVEL = 0x80 |
dafc3bd5 CK |
54 | }; |
55 | ||
1b688d08 | 56 | struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = { |
dafc3bd5 CK |
57 | /* 32kHz 44.1kHz 48kHz */ |
58 | /* Clock N CTS N CTS N CTS */ | |
59 | { 25174, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */ | |
60 | { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */ | |
61 | { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */ | |
62 | { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */ | |
63 | { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */ | |
64 | { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */ | |
65 | { 74175, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */ | |
66 | { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */ | |
67 | { 148351, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */ | |
68 | { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */ | |
69 | { 0, 4096, 0, 6272, 0, 6144, 0 } /* Other */ | |
70 | }; | |
71 | ||
72 | /* | |
73 | * calculate CTS value if it's not found in the table | |
74 | */ | |
1b688d08 | 75 | static void r600_hdmi_calc_cts(uint32_t clock, int *CTS, int N, int freq) |
dafc3bd5 CK |
76 | { |
77 | if (*CTS == 0) | |
3fe373d9 | 78 | *CTS = clock * N / (128 * freq) * 1000; |
dafc3bd5 CK |
79 | DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n", |
80 | N, *CTS, freq); | |
81 | } | |
82 | ||
1b688d08 RM |
83 | struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock) |
84 | { | |
85 | struct radeon_hdmi_acr res; | |
86 | u8 i; | |
87 | ||
88 | for (i = 0; r600_hdmi_predefined_acr[i].clock != clock && | |
89 | r600_hdmi_predefined_acr[i].clock != 0; i++) | |
90 | ; | |
91 | res = r600_hdmi_predefined_acr[i]; | |
92 | ||
93 | /* In case some CTS are missing */ | |
94 | r600_hdmi_calc_cts(clock, &res.cts_32khz, res.n_32khz, 32000); | |
95 | r600_hdmi_calc_cts(clock, &res.cts_44_1khz, res.n_44_1khz, 44100); | |
96 | r600_hdmi_calc_cts(clock, &res.cts_48khz, res.n_48khz, 48000); | |
97 | ||
98 | return res; | |
99 | } | |
100 | ||
dafc3bd5 CK |
101 | /* |
102 | * update the N and CTS parameters for a given pixel clock rate | |
103 | */ | |
104 | static void r600_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock) | |
105 | { | |
106 | struct drm_device *dev = encoder->dev; | |
107 | struct radeon_device *rdev = dev->dev_private; | |
1b688d08 | 108 | struct radeon_hdmi_acr acr = r600_hdmi_acr(clock); |
dafc3bd5 | 109 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; |
dafc3bd5 | 110 | |
1b688d08 RM |
111 | WREG32(HDMI0_ACR_32_0 + offset, HDMI0_ACR_CTS_32(acr.cts_32khz)); |
112 | WREG32(HDMI0_ACR_32_1 + offset, acr.n_32khz); | |
dafc3bd5 | 113 | |
1b688d08 RM |
114 | WREG32(HDMI0_ACR_44_0 + offset, HDMI0_ACR_CTS_44(acr.cts_44_1khz)); |
115 | WREG32(HDMI0_ACR_44_1 + offset, acr.n_44_1khz); | |
dafc3bd5 | 116 | |
1b688d08 RM |
117 | WREG32(HDMI0_ACR_48_0 + offset, HDMI0_ACR_CTS_48(acr.cts_48khz)); |
118 | WREG32(HDMI0_ACR_48_1 + offset, acr.n_48khz); | |
dafc3bd5 CK |
119 | } |
120 | ||
121 | /* | |
122 | * calculate the crc for a given info frame | |
123 | */ | |
124 | static void r600_hdmi_infoframe_checksum(uint8_t packetType, | |
125 | uint8_t versionNumber, | |
126 | uint8_t length, | |
127 | uint8_t *frame) | |
128 | { | |
3fe373d9 RM |
129 | int i; |
130 | frame[0] = packetType + versionNumber + length; | |
131 | for (i = 1; i <= length; i++) | |
132 | frame[0] += frame[i]; | |
133 | frame[0] = 0x100 - frame[0]; | |
dafc3bd5 CK |
134 | } |
135 | ||
136 | /* | |
137 | * build a HDMI Video Info Frame | |
138 | */ | |
139 | static void r600_hdmi_videoinfoframe( | |
140 | struct drm_encoder *encoder, | |
141 | enum r600_hdmi_color_format color_format, | |
142 | int active_information_present, | |
143 | uint8_t active_format_aspect_ratio, | |
144 | uint8_t scan_information, | |
145 | uint8_t colorimetry, | |
146 | uint8_t ex_colorimetry, | |
147 | uint8_t quantization, | |
148 | int ITC, | |
149 | uint8_t picture_aspect_ratio, | |
150 | uint8_t video_format_identification, | |
151 | uint8_t pixel_repetition, | |
152 | uint8_t non_uniform_picture_scaling, | |
153 | uint8_t bar_info_data_valid, | |
154 | uint16_t top_bar, | |
155 | uint16_t bottom_bar, | |
156 | uint16_t left_bar, | |
157 | uint16_t right_bar | |
158 | ) | |
159 | { | |
160 | struct drm_device *dev = encoder->dev; | |
161 | struct radeon_device *rdev = dev->dev_private; | |
162 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
163 | ||
164 | uint8_t frame[14]; | |
165 | ||
166 | frame[0x0] = 0; | |
167 | frame[0x1] = | |
168 | (scan_information & 0x3) | | |
169 | ((bar_info_data_valid & 0x3) << 2) | | |
170 | ((active_information_present & 0x1) << 4) | | |
171 | ((color_format & 0x3) << 5); | |
172 | frame[0x2] = | |
173 | (active_format_aspect_ratio & 0xF) | | |
174 | ((picture_aspect_ratio & 0x3) << 4) | | |
175 | ((colorimetry & 0x3) << 6); | |
176 | frame[0x3] = | |
177 | (non_uniform_picture_scaling & 0x3) | | |
178 | ((quantization & 0x3) << 2) | | |
179 | ((ex_colorimetry & 0x7) << 4) | | |
180 | ((ITC & 0x1) << 7); | |
181 | frame[0x4] = (video_format_identification & 0x7F); | |
182 | frame[0x5] = (pixel_repetition & 0xF); | |
183 | frame[0x6] = (top_bar & 0xFF); | |
184 | frame[0x7] = (top_bar >> 8); | |
185 | frame[0x8] = (bottom_bar & 0xFF); | |
186 | frame[0x9] = (bottom_bar >> 8); | |
187 | frame[0xA] = (left_bar & 0xFF); | |
188 | frame[0xB] = (left_bar >> 8); | |
189 | frame[0xC] = (right_bar & 0xFF); | |
190 | frame[0xD] = (right_bar >> 8); | |
191 | ||
192 | r600_hdmi_infoframe_checksum(0x82, 0x02, 0x0D, frame); | |
92db7f6c RM |
193 | /* Our header values (type, version, length) should be alright, Intel |
194 | * is using the same. Checksum function also seems to be OK, it works | |
195 | * fine for audio infoframe. However calculated value is always lower | |
196 | * by 2 in comparison to fglrx. It breaks displaying anything in case | |
197 | * of TVs that strictly check the checksum. Hack it manually here to | |
198 | * workaround this issue. */ | |
199 | frame[0x0] += 2; | |
dafc3bd5 | 200 | |
c6543a6e | 201 | WREG32(HDMI0_AVI_INFO0 + offset, |
dafc3bd5 | 202 | frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); |
c6543a6e | 203 | WREG32(HDMI0_AVI_INFO1 + offset, |
dafc3bd5 | 204 | frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); |
c6543a6e | 205 | WREG32(HDMI0_AVI_INFO2 + offset, |
dafc3bd5 | 206 | frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); |
c6543a6e | 207 | WREG32(HDMI0_AVI_INFO3 + offset, |
dafc3bd5 CK |
208 | frame[0xC] | (frame[0xD] << 8)); |
209 | } | |
210 | ||
211 | /* | |
212 | * build a Audio Info Frame | |
213 | */ | |
214 | static void r600_hdmi_audioinfoframe( | |
215 | struct drm_encoder *encoder, | |
216 | uint8_t channel_count, | |
217 | uint8_t coding_type, | |
218 | uint8_t sample_size, | |
219 | uint8_t sample_frequency, | |
220 | uint8_t format, | |
221 | uint8_t channel_allocation, | |
222 | uint8_t level_shift, | |
223 | int downmix_inhibit | |
224 | ) | |
225 | { | |
226 | struct drm_device *dev = encoder->dev; | |
227 | struct radeon_device *rdev = dev->dev_private; | |
228 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
229 | ||
230 | uint8_t frame[11]; | |
231 | ||
232 | frame[0x0] = 0; | |
233 | frame[0x1] = (channel_count & 0x7) | ((coding_type & 0xF) << 4); | |
234 | frame[0x2] = (sample_size & 0x3) | ((sample_frequency & 0x7) << 2); | |
235 | frame[0x3] = format; | |
236 | frame[0x4] = channel_allocation; | |
237 | frame[0x5] = ((level_shift & 0xF) << 3) | ((downmix_inhibit & 0x1) << 7); | |
238 | frame[0x6] = 0; | |
239 | frame[0x7] = 0; | |
240 | frame[0x8] = 0; | |
241 | frame[0x9] = 0; | |
242 | frame[0xA] = 0; | |
243 | ||
244 | r600_hdmi_infoframe_checksum(0x84, 0x01, 0x0A, frame); | |
245 | ||
c6543a6e | 246 | WREG32(HDMI0_AUDIO_INFO0 + offset, |
dafc3bd5 | 247 | frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); |
c6543a6e | 248 | WREG32(HDMI0_AUDIO_INFO1 + offset, |
dafc3bd5 CK |
249 | frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x8] << 24)); |
250 | } | |
251 | ||
252 | /* | |
253 | * test if audio buffer is filled enough to start playing | |
254 | */ | |
255 | static int r600_hdmi_is_audio_buffer_filled(struct drm_encoder *encoder) | |
256 | { | |
257 | struct drm_device *dev = encoder->dev; | |
258 | struct radeon_device *rdev = dev->dev_private; | |
259 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
260 | ||
c6543a6e | 261 | return (RREG32(HDMI0_STATUS + offset) & 0x10) != 0; |
dafc3bd5 CK |
262 | } |
263 | ||
264 | /* | |
265 | * have buffer status changed since last call? | |
266 | */ | |
267 | int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder) | |
268 | { | |
269 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
270 | int status, result; | |
271 | ||
af0b5743 | 272 | if (!radeon_encoder->hdmi_enabled) |
dafc3bd5 CK |
273 | return 0; |
274 | ||
275 | status = r600_hdmi_is_audio_buffer_filled(encoder); | |
276 | result = radeon_encoder->hdmi_buffer_status != status; | |
277 | radeon_encoder->hdmi_buffer_status = status; | |
278 | ||
279 | return result; | |
280 | } | |
281 | ||
282 | /* | |
283 | * write the audio workaround status to the hardware | |
284 | */ | |
285 | void r600_hdmi_audio_workaround(struct drm_encoder *encoder) | |
286 | { | |
287 | struct drm_device *dev = encoder->dev; | |
288 | struct radeon_device *rdev = dev->dev_private; | |
289 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
290 | uint32_t offset = radeon_encoder->hdmi_offset; | |
291 | ||
af0b5743 | 292 | if (!radeon_encoder->hdmi_enabled) |
dafc3bd5 CK |
293 | return; |
294 | ||
f2594933 CK |
295 | if (!radeon_encoder->hdmi_audio_workaround || |
296 | r600_hdmi_is_audio_buffer_filled(encoder)) { | |
dafc3bd5 | 297 | |
f2594933 | 298 | /* disable audio workaround */ |
a273a903 RM |
299 | WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset, |
300 | 0, ~HDMI0_AUDIO_TEST_EN); | |
dafc3bd5 CK |
301 | |
302 | } else { | |
f2594933 | 303 | /* enable audio workaround */ |
a273a903 RM |
304 | WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset, |
305 | HDMI0_AUDIO_TEST_EN, ~HDMI0_AUDIO_TEST_EN); | |
dafc3bd5 CK |
306 | } |
307 | } | |
308 | ||
309 | ||
310 | /* | |
311 | * update the info frames with the data from the current display mode | |
312 | */ | |
313 | void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode) | |
314 | { | |
315 | struct drm_device *dev = encoder->dev; | |
316 | struct radeon_device *rdev = dev->dev_private; | |
317 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
318 | ||
f83d926a | 319 | if (ASIC_IS_DCE5(rdev)) |
16823d16 AD |
320 | return; |
321 | ||
af0b5743 | 322 | if (!to_radeon_encoder(encoder)->hdmi_enabled) |
dafc3bd5 CK |
323 | return; |
324 | ||
325 | r600_audio_set_clock(encoder, mode->clock); | |
326 | ||
1c3439f2 RM |
327 | WREG32(HDMI0_VBI_PACKET_CONTROL + offset, |
328 | HDMI0_NULL_SEND); /* send null packets when required */ | |
329 | ||
c6543a6e | 330 | WREG32(HDMI0_AUDIO_CRC_CONTROL + offset, 0x1000); |
a273a903 | 331 | |
1c3439f2 RM |
332 | if (ASIC_IS_DCE32(rdev)) { |
333 | WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset, | |
334 | HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ | |
335 | HDMI0_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */ | |
336 | WREG32(AFMT_AUDIO_PACKET_CONTROL + offset, | |
337 | AFMT_AUDIO_SAMPLE_SEND | /* send audio packets */ | |
338 | AFMT_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ | |
339 | } else { | |
340 | WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset, | |
341 | HDMI0_AUDIO_SAMPLE_SEND | /* send audio packets */ | |
342 | HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ | |
343 | HDMI0_AUDIO_SEND_MAX_PACKETS | /* send NULL packets if no audio is available */ | |
344 | HDMI0_AUDIO_PACKETS_PER_LINE(3) | /* should be suffient for all audio modes and small enough for all hblanks */ | |
345 | HDMI0_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ | |
346 | } | |
a273a903 | 347 | |
1c3439f2 RM |
348 | WREG32(HDMI0_ACR_PACKET_CONTROL + offset, |
349 | HDMI0_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */ | |
350 | HDMI0_ACR_SOURCE); /* select SW CTS value */ | |
dafc3bd5 | 351 | |
1c3439f2 RM |
352 | WREG32(HDMI0_VBI_PACKET_CONTROL + offset, |
353 | HDMI0_NULL_SEND | /* send null packets when required */ | |
354 | HDMI0_GC_SEND | /* send general control packets */ | |
355 | HDMI0_GC_CONT); /* send general control packets every frame */ | |
dafc3bd5 | 356 | |
1c3439f2 RM |
357 | /* TODO: HDMI0_AUDIO_INFO_UPDATE */ |
358 | WREG32(HDMI0_INFOFRAME_CONTROL0 + offset, | |
359 | HDMI0_AVI_INFO_SEND | /* enable AVI info frames */ | |
360 | HDMI0_AVI_INFO_CONT | /* send AVI info frames every frame/field */ | |
361 | HDMI0_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */ | |
362 | HDMI0_AUDIO_INFO_CONT); /* send audio info frames every frame/field */ | |
dafc3bd5 | 363 | |
1c3439f2 RM |
364 | WREG32(HDMI0_INFOFRAME_CONTROL1 + offset, |
365 | HDMI0_AVI_INFO_LINE(2) | /* anything other than 0 */ | |
366 | HDMI0_AUDIO_INFO_LINE(2)); /* anything other than 0 */ | |
367 | ||
368 | WREG32(HDMI0_GC + offset, 0); /* unset HDMI0_GC_AVMUTE */ | |
dafc3bd5 CK |
369 | |
370 | r600_hdmi_videoinfoframe(encoder, RGB, 0, 0, 0, 0, | |
371 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
372 | ||
1c3439f2 RM |
373 | r600_hdmi_update_ACR(encoder, mode->clock); |
374 | ||
25985edc | 375 | /* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */ |
c6543a6e RM |
376 | WREG32(HDMI0_RAMP_CONTROL0 + offset, 0x00FFFFFF); |
377 | WREG32(HDMI0_RAMP_CONTROL1 + offset, 0x007FFFFF); | |
378 | WREG32(HDMI0_RAMP_CONTROL2 + offset, 0x00000001); | |
379 | WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001); | |
dafc3bd5 CK |
380 | |
381 | r600_hdmi_audio_workaround(encoder); | |
dafc3bd5 CK |
382 | } |
383 | ||
384 | /* | |
385 | * update settings with current parameters from audio engine | |
386 | */ | |
58bd0863 | 387 | void r600_hdmi_update_audio_settings(struct drm_encoder *encoder) |
dafc3bd5 CK |
388 | { |
389 | struct drm_device *dev = encoder->dev; | |
390 | struct radeon_device *rdev = dev->dev_private; | |
391 | uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset; | |
392 | ||
58bd0863 CK |
393 | int channels = r600_audio_channels(rdev); |
394 | int rate = r600_audio_rate(rdev); | |
395 | int bps = r600_audio_bits_per_sample(rdev); | |
396 | uint8_t status_bits = r600_audio_status_bits(rdev); | |
397 | uint8_t category_code = r600_audio_category_code(rdev); | |
398 | ||
dafc3bd5 CK |
399 | uint32_t iec; |
400 | ||
af0b5743 | 401 | if (!to_radeon_encoder(encoder)->hdmi_enabled) |
dafc3bd5 CK |
402 | return; |
403 | ||
404 | DRM_DEBUG("%s with %d channels, %d Hz sampling rate, %d bits per sample,\n", | |
405 | r600_hdmi_is_audio_buffer_filled(encoder) ? "playing" : "stopped", | |
406 | channels, rate, bps); | |
407 | DRM_DEBUG("0x%02X IEC60958 status bits and 0x%02X category code\n", | |
408 | (int)status_bits, (int)category_code); | |
409 | ||
410 | iec = 0; | |
411 | if (status_bits & AUDIO_STATUS_PROFESSIONAL) | |
412 | iec |= 1 << 0; | |
413 | if (status_bits & AUDIO_STATUS_NONAUDIO) | |
414 | iec |= 1 << 1; | |
415 | if (status_bits & AUDIO_STATUS_COPYRIGHT) | |
416 | iec |= 1 << 2; | |
417 | if (status_bits & AUDIO_STATUS_EMPHASIS) | |
418 | iec |= 1 << 3; | |
419 | ||
a366e392 | 420 | iec |= HDMI0_60958_CS_CATEGORY_CODE(category_code); |
dafc3bd5 CK |
421 | |
422 | switch (rate) { | |
a366e392 RM |
423 | case 32000: |
424 | iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x3); | |
425 | break; | |
426 | case 44100: | |
427 | iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x0); | |
428 | break; | |
429 | case 48000: | |
430 | iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x2); | |
431 | break; | |
432 | case 88200: | |
433 | iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x8); | |
434 | break; | |
435 | case 96000: | |
436 | iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xa); | |
437 | break; | |
438 | case 176400: | |
439 | iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xc); | |
440 | break; | |
441 | case 192000: | |
442 | iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xe); | |
443 | break; | |
dafc3bd5 CK |
444 | } |
445 | ||
c6543a6e | 446 | WREG32(HDMI0_60958_0 + offset, iec); |
dafc3bd5 CK |
447 | |
448 | iec = 0; | |
449 | switch (bps) { | |
a366e392 RM |
450 | case 16: |
451 | iec |= HDMI0_60958_CS_WORD_LENGTH(0x2); | |
452 | break; | |
453 | case 20: | |
454 | iec |= HDMI0_60958_CS_WORD_LENGTH(0x3); | |
455 | break; | |
456 | case 24: | |
457 | iec |= HDMI0_60958_CS_WORD_LENGTH(0xb); | |
458 | break; | |
dafc3bd5 CK |
459 | } |
460 | if (status_bits & AUDIO_STATUS_V) | |
461 | iec |= 0x5 << 16; | |
c6543a6e | 462 | WREG32_P(HDMI0_60958_1 + offset, iec, ~0x5000f); |
dafc3bd5 | 463 | |
a366e392 | 464 | r600_hdmi_audioinfoframe(encoder, channels - 1, 0, 0, 0, 0, 0, 0, 0); |
dafc3bd5 CK |
465 | |
466 | r600_hdmi_audio_workaround(encoder); | |
dafc3bd5 CK |
467 | } |
468 | ||
2cd6218c | 469 | static void r600_hdmi_assign_block(struct drm_encoder *encoder) |
dafc3bd5 CK |
470 | { |
471 | struct drm_device *dev = encoder->dev; | |
472 | struct radeon_device *rdev = dev->dev_private; | |
473 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
2cd6218c | 474 | struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; |
dafc3bd5 | 475 | |
f83d926a RM |
476 | u16 eg_offsets[] = { |
477 | EVERGREEN_CRTC0_REGISTER_OFFSET, | |
478 | EVERGREEN_CRTC1_REGISTER_OFFSET, | |
479 | EVERGREEN_CRTC2_REGISTER_OFFSET, | |
480 | EVERGREEN_CRTC3_REGISTER_OFFSET, | |
481 | EVERGREEN_CRTC4_REGISTER_OFFSET, | |
482 | EVERGREEN_CRTC5_REGISTER_OFFSET, | |
483 | }; | |
484 | ||
2cd6218c RM |
485 | if (!dig) { |
486 | dev_err(rdev->dev, "Enabling HDMI on non-dig encoder\n"); | |
dafc3bd5 | 487 | return; |
2cd6218c | 488 | } |
dafc3bd5 | 489 | |
ebcb796f RM |
490 | if (ASIC_IS_DCE5(rdev)) { |
491 | /* TODO */ | |
492 | } else if (ASIC_IS_DCE4(rdev)) { | |
f83d926a RM |
493 | if (dig->dig_encoder >= ARRAY_SIZE(eg_offsets)) { |
494 | dev_err(rdev->dev, "Enabling HDMI on unknown dig\n"); | |
495 | return; | |
496 | } | |
c6543a6e | 497 | radeon_encoder->hdmi_offset = eg_offsets[dig->dig_encoder]; |
2cd6218c RM |
498 | } else if (ASIC_IS_DCE3(rdev)) { |
499 | radeon_encoder->hdmi_offset = dig->dig_encoder ? | |
c6543a6e | 500 | DCE3_HDMI_OFFSET1 : DCE3_HDMI_OFFSET0; |
816ce437 RM |
501 | } else if (rdev->family >= CHIP_R600) { |
502 | /* 2 routable blocks, but using dig_encoder should be fine */ | |
503 | radeon_encoder->hdmi_offset = dig->dig_encoder ? | |
c6543a6e | 504 | DCE2_HDMI_OFFSET1 : DCE2_HDMI_OFFSET0; |
816ce437 RM |
505 | } else if (rdev->family == CHIP_RS600 || rdev->family == CHIP_RS690 || |
506 | rdev->family == CHIP_RS740) { | |
507 | /* Only 1 routable block */ | |
c6543a6e | 508 | radeon_encoder->hdmi_offset = DCE2_HDMI_OFFSET0; |
dafc3bd5 | 509 | } |
af0b5743 | 510 | radeon_encoder->hdmi_enabled = true; |
dafc3bd5 CK |
511 | } |
512 | ||
513 | /* | |
2cd6218c | 514 | * enable the HDMI engine |
dafc3bd5 | 515 | */ |
2cd6218c | 516 | void r600_hdmi_enable(struct drm_encoder *encoder) |
dafc3bd5 | 517 | { |
2cd6218c RM |
518 | struct drm_device *dev = encoder->dev; |
519 | struct radeon_device *rdev = dev->dev_private; | |
dafc3bd5 | 520 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
f2594933 | 521 | uint32_t offset; |
64fb4fb0 | 522 | u32 hdmi; |
dafc3bd5 | 523 | |
f83d926a | 524 | if (ASIC_IS_DCE5(rdev)) |
16823d16 AD |
525 | return; |
526 | ||
af0b5743 | 527 | if (!radeon_encoder->hdmi_enabled) { |
2cd6218c | 528 | r600_hdmi_assign_block(encoder); |
af0b5743 | 529 | if (!radeon_encoder->hdmi_enabled) { |
2cd6218c RM |
530 | dev_warn(rdev->dev, "Could not find HDMI block for " |
531 | "0x%x encoder\n", radeon_encoder->encoder_id); | |
532 | return; | |
dafc3bd5 | 533 | } |
2cd6218c | 534 | } |
dafc3bd5 | 535 | |
f2594933 | 536 | offset = radeon_encoder->hdmi_offset; |
64fb4fb0 RM |
537 | |
538 | /* Older chipsets require setting HDMI and routing manually */ | |
539 | if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) { | |
540 | hdmi = HDMI0_ERROR_ACK | HDMI0_ENABLE; | |
5715f67c RM |
541 | switch (radeon_encoder->encoder_id) { |
542 | case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: | |
93a4ed87 RM |
543 | WREG32_P(AVIVO_TMDSA_CNTL, AVIVO_TMDSA_CNTL_HDMI_EN, |
544 | ~AVIVO_TMDSA_CNTL_HDMI_EN); | |
64fb4fb0 | 545 | hdmi |= HDMI0_STREAM(HDMI0_STREAM_TMDSA); |
5715f67c RM |
546 | break; |
547 | case ENCODER_OBJECT_ID_INTERNAL_LVTM1: | |
93a4ed87 RM |
548 | WREG32_P(AVIVO_LVTMA_CNTL, AVIVO_LVTMA_CNTL_HDMI_EN, |
549 | ~AVIVO_LVTMA_CNTL_HDMI_EN); | |
64fb4fb0 RM |
550 | hdmi |= HDMI0_STREAM(HDMI0_STREAM_LVTMA); |
551 | break; | |
552 | case ENCODER_OBJECT_ID_INTERNAL_DDI: | |
553 | WREG32_P(DDIA_CNTL, DDIA_HDMI_EN, ~DDIA_HDMI_EN); | |
554 | hdmi |= HDMI0_STREAM(HDMI0_STREAM_DDIA); | |
555 | break; | |
556 | case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: | |
557 | hdmi |= HDMI0_STREAM(HDMI0_STREAM_DVOA); | |
5715f67c RM |
558 | break; |
559 | default: | |
64fb4fb0 RM |
560 | dev_err(rdev->dev, "Invalid encoder for HDMI: 0x%X\n", |
561 | radeon_encoder->encoder_id); | |
5715f67c RM |
562 | break; |
563 | } | |
64fb4fb0 | 564 | WREG32(HDMI0_CONTROL + offset, hdmi); |
5715f67c | 565 | } |
2cd6218c | 566 | |
f122c610 | 567 | if (rdev->irq.installed) { |
f2594933 | 568 | /* if irq is available use it */ |
c6543a6e | 569 | rdev->irq.afmt[offset == 0 ? 0 : 1] = true; |
f2594933 | 570 | radeon_irq_set(rdev); |
f2594933 | 571 | } |
58bd0863 | 572 | |
2cd6218c RM |
573 | DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n", |
574 | radeon_encoder->hdmi_offset, radeon_encoder->encoder_id); | |
575 | } | |
dafc3bd5 | 576 | |
2cd6218c RM |
577 | /* |
578 | * disable the HDMI engine | |
579 | */ | |
580 | void r600_hdmi_disable(struct drm_encoder *encoder) | |
581 | { | |
582 | struct drm_device *dev = encoder->dev; | |
583 | struct radeon_device *rdev = dev->dev_private; | |
584 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
66989987 | 585 | uint32_t offset; |
2cd6218c | 586 | |
f83d926a | 587 | if (ASIC_IS_DCE5(rdev)) |
16823d16 AD |
588 | return; |
589 | ||
f2594933 | 590 | offset = radeon_encoder->hdmi_offset; |
af0b5743 | 591 | if (!radeon_encoder->hdmi_enabled) { |
2cd6218c RM |
592 | dev_err(rdev->dev, "Disabling not enabled HDMI\n"); |
593 | return; | |
dafc3bd5 CK |
594 | } |
595 | ||
2cd6218c | 596 | DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n", |
f2594933 CK |
597 | offset, radeon_encoder->encoder_id); |
598 | ||
599 | /* disable irq */ | |
c6543a6e | 600 | rdev->irq.afmt[offset == 0 ? 0 : 1] = false; |
f2594933 CK |
601 | radeon_irq_set(rdev); |
602 | ||
64fb4fb0 RM |
603 | /* Older chipsets not handled by AtomBIOS */ |
604 | if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) { | |
5715f67c RM |
605 | switch (radeon_encoder->encoder_id) { |
606 | case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: | |
93a4ed87 RM |
607 | WREG32_P(AVIVO_TMDSA_CNTL, 0, |
608 | ~AVIVO_TMDSA_CNTL_HDMI_EN); | |
5715f67c RM |
609 | break; |
610 | case ENCODER_OBJECT_ID_INTERNAL_LVTM1: | |
93a4ed87 RM |
611 | WREG32_P(AVIVO_LVTMA_CNTL, 0, |
612 | ~AVIVO_LVTMA_CNTL_HDMI_EN); | |
64fb4fb0 RM |
613 | break; |
614 | case ENCODER_OBJECT_ID_INTERNAL_DDI: | |
615 | WREG32_P(DDIA_CNTL, 0, ~DDIA_HDMI_EN); | |
616 | break; | |
617 | case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: | |
5715f67c RM |
618 | break; |
619 | default: | |
64fb4fb0 RM |
620 | dev_err(rdev->dev, "Invalid encoder for HDMI: 0x%X\n", |
621 | radeon_encoder->encoder_id); | |
5715f67c RM |
622 | break; |
623 | } | |
64fb4fb0 | 624 | WREG32(HDMI0_CONTROL + offset, HDMI0_ERROR_ACK); |
5715f67c | 625 | } |
dafc3bd5 | 626 | |
af0b5743 | 627 | radeon_encoder->hdmi_enabled = false; |
2cd6218c | 628 | radeon_encoder->hdmi_offset = 0; |
dafc3bd5 | 629 | } |