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8f33a156 RM |
1 | /* |
2 | * Copyright 2013 Advanced Micro Devices, Inc. | |
3 | * Copyright 2014 Rafał Miłecki | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | */ | |
23 | #include <linux/hdmi.h> | |
24 | #include <drm/drmP.h> | |
25 | #include "radeon.h" | |
26 | #include "radeon_asic.h" | |
070a2e63 | 27 | #include "radeon_audio.h" |
8f33a156 RM |
28 | #include "r600d.h" |
29 | ||
00a9d4bc SG |
30 | void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, |
31 | u8 *sadb, int sad_count) | |
8f33a156 RM |
32 | { |
33 | struct radeon_device *rdev = encoder->dev->dev_private; | |
8f33a156 | 34 | u32 tmp; |
8f33a156 RM |
35 | |
36 | /* program the speaker allocation */ | |
00a9d4bc | 37 | tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER); |
8f33a156 RM |
38 | tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK); |
39 | /* set HDMI mode */ | |
40 | tmp |= HDMI_CONNECTION; | |
41 | if (sad_count) | |
42 | tmp |= SPEAKER_ALLOCATION(sadb[0]); | |
43 | else | |
44 | tmp |= SPEAKER_ALLOCATION(5); /* stereo */ | |
00a9d4bc SG |
45 | WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp); |
46 | } | |
8f33a156 | 47 | |
00a9d4bc SG |
48 | void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, |
49 | u8 *sadb, int sad_count) | |
50 | { | |
51 | struct radeon_device *rdev = encoder->dev->dev_private; | |
52 | u32 tmp; | |
53 | ||
54 | /* program the speaker allocation */ | |
55 | tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER); | |
56 | tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK); | |
57 | /* set DP mode */ | |
58 | tmp |= DP_CONNECTION; | |
59 | if (sad_count) | |
60 | tmp |= SPEAKER_ALLOCATION(sadb[0]); | |
61 | else | |
62 | tmp |= SPEAKER_ALLOCATION(5); /* stereo */ | |
63 | WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp); | |
8f33a156 RM |
64 | } |
65 | ||
070a2e63 AD |
66 | void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder, |
67 | struct cea_sad *sads, int sad_count) | |
8f33a156 | 68 | { |
070a2e63 | 69 | int i; |
8f33a156 | 70 | struct radeon_device *rdev = encoder->dev->dev_private; |
8f33a156 RM |
71 | static const u16 eld_reg_to_type[][2] = { |
72 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, | |
73 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, | |
74 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, | |
75 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, | |
76 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, | |
77 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, | |
78 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, | |
79 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, | |
80 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, | |
81 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, | |
82 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, | |
83 | { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, | |
84 | }; | |
85 | ||
8f33a156 RM |
86 | for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { |
87 | u32 value = 0; | |
88 | u8 stereo_freqs = 0; | |
89 | int max_channels = -1; | |
90 | int j; | |
91 | ||
92 | for (j = 0; j < sad_count; j++) { | |
93 | struct cea_sad *sad = &sads[j]; | |
94 | ||
95 | if (sad->format == eld_reg_to_type[i][1]) { | |
96 | if (sad->channels > max_channels) { | |
97 | value = MAX_CHANNELS(sad->channels) | | |
98 | DESCRIPTOR_BYTE_2(sad->byte2) | | |
99 | SUPPORTED_FREQUENCIES(sad->freq); | |
100 | max_channels = sad->channels; | |
101 | } | |
102 | ||
103 | if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) | |
104 | stereo_freqs |= sad->freq; | |
105 | else | |
106 | break; | |
107 | } | |
108 | } | |
109 | ||
110 | value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs); | |
111 | ||
070a2e63 | 112 | WREG32_ENDPOINT(0, eld_reg_to_type[i][0], value); |
8f33a156 | 113 | } |
8f33a156 RM |
114 | } |
115 | ||
a85d682a SG |
116 | void dce3_2_audio_set_dto(struct radeon_device *rdev, |
117 | struct radeon_crtc *crtc, unsigned int clock) | |
118 | { | |
119 | struct radeon_encoder *radeon_encoder; | |
120 | struct radeon_encoder_atom_dig *dig; | |
121 | unsigned int max_ratio = clock / 24000; | |
122 | u32 dto_phase; | |
123 | u32 wallclock_ratio; | |
124 | u32 dto_cntl; | |
125 | ||
126 | if (!crtc) | |
127 | return; | |
128 | ||
129 | radeon_encoder = to_radeon_encoder(crtc->encoder); | |
130 | dig = radeon_encoder->enc_priv; | |
131 | ||
132 | if (!dig) | |
133 | return; | |
134 | ||
135 | if (max_ratio >= 8) { | |
136 | dto_phase = 192 * 1000; | |
137 | wallclock_ratio = 3; | |
138 | } else if (max_ratio >= 4) { | |
139 | dto_phase = 96 * 1000; | |
140 | wallclock_ratio = 2; | |
141 | } else if (max_ratio >= 2) { | |
142 | dto_phase = 48 * 1000; | |
143 | wallclock_ratio = 1; | |
144 | } else { | |
145 | dto_phase = 24 * 1000; | |
146 | wallclock_ratio = 0; | |
147 | } | |
148 | ||
149 | /* Express [24MHz / target pixel clock] as an exact rational | |
150 | * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE | |
151 | * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator | |
152 | */ | |
153 | if (dig->dig_encoder == 0) { | |
154 | dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; | |
155 | dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); | |
156 | WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl); | |
157 | WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase); | |
158 | WREG32(DCCG_AUDIO_DTO0_MODULE, clock); | |
159 | WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */ | |
160 | } else { | |
161 | dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; | |
162 | dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); | |
163 | WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl); | |
164 | WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase); | |
165 | WREG32(DCCG_AUDIO_DTO1_MODULE, clock); | |
166 | WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ | |
167 | } | |
168 | } | |
169 | ||
8f33a156 RM |
170 | /* |
171 | * update the info frames with the data from the current display mode | |
172 | */ | |
173 | void dce3_1_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode) | |
174 | { | |
175 | struct drm_device *dev = encoder->dev; | |
176 | struct radeon_device *rdev = dev->dev_private; | |
177 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
178 | struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | |
179 | u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; | |
180 | struct hdmi_avi_infoframe frame; | |
181 | uint32_t offset; | |
182 | ssize_t err; | |
183 | ||
184 | if (!dig || !dig->afmt) | |
185 | return; | |
186 | ||
187 | /* Silent, r600_hdmi_enable will raise WARN for us */ | |
188 | if (!dig->afmt->enabled) | |
189 | return; | |
190 | offset = dig->afmt->offset; | |
191 | ||
192 | /* disable audio prior to setting up hw */ | |
3cdde027 | 193 | dig->afmt->pin = radeon_audio_get_pin(encoder); |
8bf59820 | 194 | radeon_audio_enable(rdev, dig->afmt->pin, 0); |
8f33a156 | 195 | |
a85d682a | 196 | radeon_audio_set_dto(encoder, mode->clock); |
8f33a156 RM |
197 | |
198 | WREG32(HDMI0_VBI_PACKET_CONTROL + offset, | |
199 | HDMI0_NULL_SEND); /* send null packets when required */ | |
200 | ||
201 | WREG32(HDMI0_AUDIO_CRC_CONTROL + offset, 0x1000); | |
202 | ||
203 | if (ASIC_IS_DCE32(rdev)) { | |
204 | WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset, | |
205 | HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ | |
206 | HDMI0_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */ | |
207 | WREG32(AFMT_AUDIO_PACKET_CONTROL + offset, | |
208 | AFMT_AUDIO_SAMPLE_SEND | /* send audio packets */ | |
209 | AFMT_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ | |
210 | } else { | |
211 | WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset, | |
212 | HDMI0_AUDIO_SAMPLE_SEND | /* send audio packets */ | |
213 | HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ | |
214 | HDMI0_AUDIO_PACKETS_PER_LINE(3) | /* should be suffient for all audio modes and small enough for all hblanks */ | |
215 | HDMI0_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ | |
216 | } | |
217 | ||
218 | if (ASIC_IS_DCE32(rdev)) { | |
00a9d4bc | 219 | radeon_audio_write_speaker_allocation(encoder); |
070a2e63 | 220 | radeon_audio_write_sad_regs(encoder); |
8f33a156 RM |
221 | } |
222 | ||
223 | WREG32(HDMI0_ACR_PACKET_CONTROL + offset, | |
224 | HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */ | |
225 | HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ | |
226 | ||
227 | WREG32(HDMI0_VBI_PACKET_CONTROL + offset, | |
228 | HDMI0_NULL_SEND | /* send null packets when required */ | |
229 | HDMI0_GC_SEND | /* send general control packets */ | |
230 | HDMI0_GC_CONT); /* send general control packets every frame */ | |
231 | ||
232 | /* TODO: HDMI0_AUDIO_INFO_UPDATE */ | |
233 | WREG32(HDMI0_INFOFRAME_CONTROL0 + offset, | |
234 | HDMI0_AVI_INFO_SEND | /* enable AVI info frames */ | |
235 | HDMI0_AVI_INFO_CONT | /* send AVI info frames every frame/field */ | |
236 | HDMI0_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */ | |
237 | HDMI0_AUDIO_INFO_CONT); /* send audio info frames every frame/field */ | |
238 | ||
239 | WREG32(HDMI0_INFOFRAME_CONTROL1 + offset, | |
240 | HDMI0_AVI_INFO_LINE(2) | /* anything other than 0 */ | |
241 | HDMI0_AUDIO_INFO_LINE(2)); /* anything other than 0 */ | |
242 | ||
243 | WREG32(HDMI0_GC + offset, 0); /* unset HDMI0_GC_AVMUTE */ | |
244 | ||
245 | err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); | |
246 | if (err < 0) { | |
247 | DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); | |
248 | return; | |
249 | } | |
250 | ||
251 | err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
252 | if (err < 0) { | |
253 | DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); | |
254 | return; | |
255 | } | |
256 | ||
96ea7afb | 257 | radeon_update_avi_infoframe(encoder, buffer, sizeof(buffer)); |
8f33a156 RM |
258 | r600_hdmi_update_ACR(encoder, mode->clock); |
259 | ||
260 | /* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */ | |
261 | WREG32(HDMI0_RAMP_CONTROL0 + offset, 0x00FFFFFF); | |
262 | WREG32(HDMI0_RAMP_CONTROL1 + offset, 0x007FFFFF); | |
263 | WREG32(HDMI0_RAMP_CONTROL2 + offset, 0x00000001); | |
264 | WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001); | |
265 | ||
266 | r600_hdmi_audio_workaround(encoder); | |
267 | ||
268 | /* enable audio after to setting up hw */ | |
8bf59820 | 269 | radeon_audio_enable(rdev, dig->afmt->pin, 0xf); |
8f33a156 | 270 | } |