1 /* 2 * Copyright 2013 Advanced Micro Devices, Inc. 3 * 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: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 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. 21 * 22 */ 23 #include <linux/hdmi.h> 24 #include <drm/drmP.h> 25 #include "radeon.h" 26 #include "sid.h" 27 28 static u32 dce6_endpoint_rreg(struct radeon_device *rdev, 29 u32 block_offset, u32 reg) 30 { 31 unsigned long flags; 32 u32 r; 33 34 spin_lock_irqsave(&rdev->end_idx_lock, flags); 35 WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 36 r = RREG32(AZ_F0_CODEC_ENDPOINT_DATA + block_offset); 37 spin_unlock_irqrestore(&rdev->end_idx_lock, flags); 38 39 return r; 40 } 41 42 static void dce6_endpoint_wreg(struct radeon_device *rdev, 43 u32 block_offset, u32 reg, u32 v) 44 { 45 unsigned long flags; 46 47 spin_lock_irqsave(&rdev->end_idx_lock, flags); 48 if (ASIC_IS_DCE8(rdev)) 49 WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 50 else 51 WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, 52 AZ_ENDPOINT_REG_WRITE_EN | AZ_ENDPOINT_REG_INDEX(reg)); 53 WREG32(AZ_F0_CODEC_ENDPOINT_DATA + block_offset, v); 54 spin_unlock_irqrestore(&rdev->end_idx_lock, flags); 55 } 56 57 #define RREG32_ENDPOINT(block, reg) dce6_endpoint_rreg(rdev, (block), (reg)) 58 #define WREG32_ENDPOINT(block, reg, v) dce6_endpoint_wreg(rdev, (block), (reg), (v)) 59 60 61 static void dce6_afmt_get_connected_pins(struct radeon_device *rdev) 62 { 63 int i; 64 u32 offset, tmp; 65 66 for (i = 0; i < rdev->audio.num_pins; i++) { 67 offset = rdev->audio.pin[i].offset; 68 tmp = RREG32_ENDPOINT(offset, 69 AZ_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 70 if (((tmp & PORT_CONNECTIVITY_MASK) >> PORT_CONNECTIVITY_SHIFT) == 1) 71 rdev->audio.pin[i].connected = false; 72 else 73 rdev->audio.pin[i].connected = true; 74 } 75 } 76 77 struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev) 78 { 79 int i; 80 81 dce6_afmt_get_connected_pins(rdev); 82 83 for (i = 0; i < rdev->audio.num_pins; i++) { 84 if (rdev->audio.pin[i].connected) 85 return &rdev->audio.pin[i]; 86 } 87 DRM_ERROR("No connected audio pins found!\n"); 88 return NULL; 89 } 90 91 void dce6_afmt_select_pin(struct drm_encoder *encoder) 92 { 93 struct radeon_device *rdev = encoder->dev->dev_private; 94 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 95 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 96 u32 offset; 97 98 if (!dig || !dig->afmt || !dig->afmt->pin) 99 return; 100 101 offset = dig->afmt->offset; 102 103 WREG32(AFMT_AUDIO_SRC_CONTROL + offset, 104 AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id)); 105 } 106 107 void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, 108 struct drm_display_mode *mode) 109 { 110 struct radeon_device *rdev = encoder->dev->dev_private; 111 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 112 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 113 struct drm_connector *connector; 114 struct radeon_connector *radeon_connector = NULL; 115 u32 tmp = 0, offset; 116 117 if (!dig || !dig->afmt || !dig->afmt->pin) 118 return; 119 120 offset = dig->afmt->pin->offset; 121 122 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 123 if (connector->encoder == encoder) { 124 radeon_connector = to_radeon_connector(connector); 125 break; 126 } 127 } 128 129 if (!radeon_connector) { 130 DRM_ERROR("Couldn't find encoder's connector\n"); 131 return; 132 } 133 134 if (mode->flags & DRM_MODE_FLAG_INTERLACE) { 135 if (connector->latency_present[1]) 136 tmp = VIDEO_LIPSYNC(connector->video_latency[1]) | 137 AUDIO_LIPSYNC(connector->audio_latency[1]); 138 else 139 tmp = VIDEO_LIPSYNC(0) | AUDIO_LIPSYNC(0); 140 } else { 141 if (connector->latency_present[0]) 142 tmp = VIDEO_LIPSYNC(connector->video_latency[0]) | 143 AUDIO_LIPSYNC(connector->audio_latency[0]); 144 else 145 tmp = VIDEO_LIPSYNC(0) | AUDIO_LIPSYNC(0); 146 } 147 WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 148 } 149 150 void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder) 151 { 152 struct radeon_device *rdev = encoder->dev->dev_private; 153 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 154 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 155 struct drm_connector *connector; 156 struct radeon_connector *radeon_connector = NULL; 157 u32 offset, tmp; 158 u8 *sadb; 159 int sad_count; 160 161 if (!dig || !dig->afmt || !dig->afmt->pin) 162 return; 163 164 offset = dig->afmt->pin->offset; 165 166 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 167 if (connector->encoder == encoder) { 168 radeon_connector = to_radeon_connector(connector); 169 break; 170 } 171 } 172 173 if (!radeon_connector) { 174 DRM_ERROR("Couldn't find encoder's connector\n"); 175 return; 176 } 177 178 sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), &sadb); 179 if (sad_count <= 0) { 180 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 181 return; 182 } 183 184 /* program the speaker allocation */ 185 tmp = RREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 186 tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK); 187 /* set HDMI mode */ 188 tmp |= HDMI_CONNECTION; 189 if (sad_count) 190 tmp |= SPEAKER_ALLOCATION(sadb[0]); 191 else 192 tmp |= SPEAKER_ALLOCATION(5); /* stereo */ 193 WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 194 195 kfree(sadb); 196 } 197 198 void dce6_afmt_write_sad_regs(struct drm_encoder *encoder) 199 { 200 struct radeon_device *rdev = encoder->dev->dev_private; 201 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 202 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 203 u32 offset; 204 struct drm_connector *connector; 205 struct radeon_connector *radeon_connector = NULL; 206 struct cea_sad *sads; 207 int i, sad_count; 208 209 static const u16 eld_reg_to_type[][2] = { 210 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 211 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 212 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 213 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 214 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 215 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 216 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 217 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 218 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 219 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 220 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 221 { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 222 }; 223 224 if (!dig || !dig->afmt || !dig->afmt->pin) 225 return; 226 227 offset = dig->afmt->pin->offset; 228 229 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 230 if (connector->encoder == encoder) { 231 radeon_connector = to_radeon_connector(connector); 232 break; 233 } 234 } 235 236 if (!radeon_connector) { 237 DRM_ERROR("Couldn't find encoder's connector\n"); 238 return; 239 } 240 241 sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads); 242 if (sad_count <= 0) { 243 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 244 return; 245 } 246 BUG_ON(!sads); 247 248 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 249 u32 value = 0; 250 u8 stereo_freqs = 0; 251 int max_channels = -1; 252 int j; 253 254 for (j = 0; j < sad_count; j++) { 255 struct cea_sad *sad = &sads[j]; 256 257 if (sad->format == eld_reg_to_type[i][1]) { 258 if (sad->channels > max_channels) { 259 value = MAX_CHANNELS(sad->channels) | 260 DESCRIPTOR_BYTE_2(sad->byte2) | 261 SUPPORTED_FREQUENCIES(sad->freq); 262 max_channels = sad->channels; 263 } 264 265 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 266 stereo_freqs |= sad->freq; 267 else 268 break; 269 } 270 } 271 272 value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs); 273 274 WREG32_ENDPOINT(offset, eld_reg_to_type[i][0], value); 275 } 276 277 kfree(sads); 278 } 279 280 static int dce6_audio_chipset_supported(struct radeon_device *rdev) 281 { 282 return !ASIC_IS_NODCE(rdev); 283 } 284 285 void dce6_audio_enable(struct radeon_device *rdev, 286 struct r600_audio_pin *pin, 287 u8 enable_mask) 288 { 289 if (!pin) 290 return; 291 292 WREG32_ENDPOINT(pin->offset, AZ_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 293 enable_mask ? AUDIO_ENABLED : 0); 294 } 295 296 static const u32 pin_offsets[7] = 297 { 298 (0x5e00 - 0x5e00), 299 (0x5e18 - 0x5e00), 300 (0x5e30 - 0x5e00), 301 (0x5e48 - 0x5e00), 302 (0x5e60 - 0x5e00), 303 (0x5e78 - 0x5e00), 304 (0x5e90 - 0x5e00), 305 }; 306 307 int dce6_audio_init(struct radeon_device *rdev) 308 { 309 int i; 310 311 if (!radeon_audio || !dce6_audio_chipset_supported(rdev)) 312 return 0; 313 314 rdev->audio.enabled = true; 315 316 if (ASIC_IS_DCE81(rdev)) /* KV: 4 streams, 7 endpoints */ 317 rdev->audio.num_pins = 7; 318 else if (ASIC_IS_DCE83(rdev)) /* KB: 2 streams, 3 endpoints */ 319 rdev->audio.num_pins = 3; 320 else if (ASIC_IS_DCE8(rdev)) /* BN/HW: 6 streams, 7 endpoints */ 321 rdev->audio.num_pins = 7; 322 else if (ASIC_IS_DCE61(rdev)) /* TN: 4 streams, 6 endpoints */ 323 rdev->audio.num_pins = 6; 324 else if (ASIC_IS_DCE64(rdev)) /* OL: 2 streams, 2 endpoints */ 325 rdev->audio.num_pins = 2; 326 else /* SI: 6 streams, 6 endpoints */ 327 rdev->audio.num_pins = 6; 328 329 for (i = 0; i < rdev->audio.num_pins; i++) { 330 rdev->audio.pin[i].channels = -1; 331 rdev->audio.pin[i].rate = -1; 332 rdev->audio.pin[i].bits_per_sample = -1; 333 rdev->audio.pin[i].status_bits = 0; 334 rdev->audio.pin[i].category_code = 0; 335 rdev->audio.pin[i].connected = false; 336 rdev->audio.pin[i].offset = pin_offsets[i]; 337 rdev->audio.pin[i].id = i; 338 /* disable audio. it will be set up later */ 339 dce6_audio_enable(rdev, &rdev->audio.pin[i], false); 340 } 341 342 return 0; 343 } 344 345 void dce6_audio_fini(struct radeon_device *rdev) 346 { 347 int i; 348 349 if (!rdev->audio.enabled) 350 return; 351 352 for (i = 0; i < rdev->audio.num_pins; i++) 353 dce6_audio_enable(rdev, &rdev->audio.pin[i], false); 354 355 rdev->audio.enabled = false; 356 } 357