Asish Bhattacharya | 366f750 | 2017-07-25 15:15:56 +0530 | [diff] [blame^] | 1 | /* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | #include <linux/platform_device.h> |
| 13 | #include <linux/slab.h> |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/of_device.h> |
| 16 | #include <linux/err.h> |
| 17 | #include <sound/core.h> |
| 18 | #include <sound/pcm.h> |
| 19 | #include <sound/soc.h> |
| 20 | #include <linux/msm_ext_display.h> |
| 21 | |
| 22 | #define MSM_EXT_DISP_PCM_RATES SNDRV_PCM_RATE_48000 |
| 23 | #define AUD_EXT_DISP_ACK_DISCONNECT (AUDIO_ACK_CONNECT ^ AUDIO_ACK_CONNECT) |
| 24 | #define AUD_EXT_DISP_ACK_CONNECT (AUDIO_ACK_CONNECT) |
| 25 | #define AUD_EXT_DISP_ACK_ENABLE (AUDIO_ACK_SET_ENABLE | AUDIO_ACK_ENABLE) |
| 26 | |
| 27 | static const char *const ext_disp_audio_type_text[] = {"None", "HDMI", "DP"}; |
| 28 | static const char *const ext_disp_audio_ack_text[] = {"Disconnect", "Connect", |
| 29 | "Ack_Enable"}; |
| 30 | |
| 31 | static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_audio_type, ext_disp_audio_type_text); |
| 32 | static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_audio_ack_state, |
| 33 | ext_disp_audio_ack_text); |
| 34 | |
| 35 | struct msm_ext_disp_audio_codec_rx_data { |
| 36 | struct platform_device *ext_disp_core_pdev; |
| 37 | struct msm_ext_disp_audio_codec_ops ext_disp_ops; |
| 38 | int cable_status; |
| 39 | }; |
| 40 | |
| 41 | static int msm_ext_disp_edid_ctl_info(struct snd_kcontrol *kcontrol, |
| 42 | struct snd_ctl_elem_info *uinfo) |
| 43 | { |
| 44 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
| 45 | struct msm_ext_disp_audio_codec_rx_data *codec_data; |
| 46 | struct msm_ext_disp_audio_edid_blk edid_blk; |
| 47 | int rc; |
| 48 | |
| 49 | codec_data = snd_soc_codec_get_drvdata(codec); |
| 50 | |
| 51 | if (!codec_data) { |
| 52 | dev_err(codec->dev, "%s: codec_data is NULL\n", __func__); |
| 53 | return -EINVAL; |
| 54 | } |
| 55 | |
| 56 | if (!codec_data->ext_disp_ops.get_audio_edid_blk) { |
| 57 | dev_dbg(codec->dev, "%s: get_audio_edid_blk() is NULL\n", |
| 58 | __func__); |
| 59 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; |
| 60 | uinfo->count = 0; |
| 61 | return 0; |
| 62 | } |
| 63 | |
| 64 | rc = codec_data->ext_disp_ops.get_audio_edid_blk( |
| 65 | codec_data->ext_disp_core_pdev, &edid_blk); |
| 66 | if (rc >= 0) { |
| 67 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; |
| 68 | uinfo->count = edid_blk.audio_data_blk_size + |
| 69 | edid_blk.spk_alloc_data_blk_size; |
| 70 | } |
| 71 | |
| 72 | dev_dbg(codec->dev, "%s: count: %d\n", __func__, uinfo->count); |
| 73 | |
| 74 | return rc; |
| 75 | } |
| 76 | |
| 77 | static int msm_ext_disp_edid_get(struct snd_kcontrol *kcontrol, |
| 78 | struct snd_ctl_elem_value *ucontrol) { |
| 79 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
| 80 | struct msm_ext_disp_audio_codec_rx_data *codec_data; |
| 81 | struct msm_ext_disp_audio_edid_blk edid_blk; |
| 82 | int rc; |
| 83 | |
| 84 | codec_data = snd_soc_codec_get_drvdata(codec); |
| 85 | if (!codec_data || !codec_data->ext_disp_ops.get_audio_edid_blk) { |
| 86 | dev_err(codec->dev, "%s: codec_data or get_audio_edid_blk() is NULL\n", |
| 87 | __func__); |
| 88 | return -EINVAL; |
| 89 | } |
| 90 | |
| 91 | rc = codec_data->ext_disp_ops.get_audio_edid_blk( |
| 92 | codec_data->ext_disp_core_pdev, &edid_blk); |
| 93 | if (rc >= 0) { |
| 94 | if (sizeof(ucontrol->value.bytes.data) < |
| 95 | (edid_blk.audio_data_blk_size + |
| 96 | edid_blk.spk_alloc_data_blk_size)) { |
| 97 | dev_err(codec->dev, |
| 98 | "%s: Not enough memory to copy EDID data\n", |
| 99 | __func__); |
| 100 | return -ENOMEM; |
| 101 | } |
| 102 | |
| 103 | memcpy(ucontrol->value.bytes.data, |
| 104 | edid_blk.audio_data_blk, |
| 105 | edid_blk.audio_data_blk_size); |
| 106 | memcpy((ucontrol->value.bytes.data + |
| 107 | edid_blk.audio_data_blk_size), |
| 108 | edid_blk.spk_alloc_data_blk, |
| 109 | edid_blk.spk_alloc_data_blk_size); |
| 110 | |
| 111 | dev_dbg(codec->dev, "%s: data_blk_size:%d, spk_alloc_data_blk_size:%d\n", |
| 112 | __func__, edid_blk.audio_data_blk_size, |
| 113 | edid_blk.spk_alloc_data_blk_size); |
| 114 | } |
| 115 | |
| 116 | return rc; |
| 117 | } |
| 118 | |
| 119 | static int msm_ext_disp_audio_type_get(struct snd_kcontrol *kcontrol, |
| 120 | struct snd_ctl_elem_value *ucontrol) |
| 121 | { |
| 122 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
| 123 | struct msm_ext_disp_audio_codec_rx_data *codec_data; |
| 124 | enum msm_ext_disp_cable_state cable_state; |
| 125 | enum msm_ext_disp_type disp_type; |
| 126 | int rc; |
| 127 | |
| 128 | codec_data = snd_soc_codec_get_drvdata(codec); |
| 129 | if (!codec_data || |
| 130 | !codec_data->ext_disp_ops.get_audio_edid_blk || |
| 131 | !codec_data->ext_disp_ops.get_intf_id) { |
| 132 | dev_err(codec->dev, "%s: codec_data, get_audio_edid_blk() or get_intf_id is NULL\n", |
| 133 | __func__); |
| 134 | return -EINVAL; |
| 135 | } |
| 136 | |
| 137 | cable_state = codec_data->ext_disp_ops.cable_status( |
| 138 | codec_data->ext_disp_core_pdev, 1); |
| 139 | if (cable_state < 0) { |
| 140 | dev_err(codec->dev, "%s: Error retrieving cable state from ext_disp, err:%d\n", |
| 141 | __func__, cable_state); |
| 142 | rc = cable_state; |
| 143 | goto done; |
| 144 | } |
| 145 | |
| 146 | codec_data->cable_status = cable_state; |
| 147 | if (cable_state == EXT_DISPLAY_CABLE_DISCONNECT) { |
| 148 | dev_err(codec->dev, "%s: Display cable disconnected\n", |
| 149 | __func__); |
| 150 | ucontrol->value.integer.value[0] = 0; |
| 151 | rc = 0; |
| 152 | goto done; |
| 153 | } |
| 154 | |
| 155 | disp_type = codec_data->ext_disp_ops.get_intf_id( |
| 156 | codec_data->ext_disp_core_pdev); |
| 157 | if (disp_type >= 0) { |
| 158 | switch (disp_type) { |
| 159 | case EXT_DISPLAY_TYPE_DP: |
| 160 | ucontrol->value.integer.value[0] = 2; |
| 161 | rc = 0; |
| 162 | break; |
| 163 | case EXT_DISPLAY_TYPE_HDMI: |
| 164 | ucontrol->value.integer.value[0] = 1; |
| 165 | rc = 0; |
| 166 | break; |
| 167 | default: |
| 168 | rc = -EINVAL; |
| 169 | dev_err(codec->dev, "%s: Invalid disp_type:%d\n", |
| 170 | __func__, disp_type); |
| 171 | goto done; |
| 172 | } |
| 173 | dev_dbg(codec->dev, "%s: Display type: %d\n", |
| 174 | __func__, disp_type); |
| 175 | } else { |
| 176 | dev_err(codec->dev, "%s: Error retrieving disp_type from ext_disp, err:%d\n", |
| 177 | __func__, disp_type); |
| 178 | rc = disp_type; |
| 179 | } |
| 180 | |
| 181 | done: |
| 182 | return rc; |
| 183 | } |
| 184 | |
| 185 | static int msm_ext_disp_audio_ack_set(struct snd_kcontrol *kcontrol, |
| 186 | struct snd_ctl_elem_value *ucontrol) |
| 187 | { |
| 188 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
| 189 | struct msm_ext_disp_audio_codec_rx_data *codec_data; |
| 190 | u32 ack_state = 0; |
| 191 | int rc; |
| 192 | |
| 193 | codec_data = snd_soc_codec_get_drvdata(codec); |
| 194 | if (!codec_data || |
| 195 | !codec_data->ext_disp_ops.acknowledge) { |
| 196 | dev_err(codec->dev, |
| 197 | "%s: codec_data or ops acknowledge() is NULL\n", |
| 198 | __func__); |
| 199 | rc = -EINVAL; |
| 200 | goto done; |
| 201 | } |
| 202 | |
| 203 | switch (ucontrol->value.enumerated.item[0]) { |
| 204 | case 0: |
| 205 | ack_state = AUD_EXT_DISP_ACK_DISCONNECT; |
| 206 | break; |
| 207 | case 1: |
| 208 | ack_state = AUD_EXT_DISP_ACK_CONNECT; |
| 209 | break; |
| 210 | case 2: |
| 211 | ack_state = AUD_EXT_DISP_ACK_ENABLE; |
| 212 | break; |
| 213 | default: |
| 214 | rc = -EINVAL; |
| 215 | dev_err(codec->dev, |
| 216 | "%s: invalid value %d for mixer ctl\n", |
| 217 | __func__, ucontrol->value.enumerated.item[0]); |
| 218 | goto done; |
| 219 | } |
| 220 | dev_dbg(codec->dev, "%s: control %d, ack set value 0x%x\n", |
| 221 | __func__, ucontrol->value.enumerated.item[0], ack_state); |
| 222 | |
| 223 | rc = codec_data->ext_disp_ops.acknowledge( |
| 224 | codec_data->ext_disp_core_pdev, ack_state); |
| 225 | if (rc < 0) { |
| 226 | dev_err(codec->dev, "%s: error from acknowledge(), err:%d\n", |
| 227 | __func__, rc); |
| 228 | } |
| 229 | |
| 230 | done: |
| 231 | return rc; |
| 232 | } |
| 233 | |
| 234 | static const struct snd_kcontrol_new msm_ext_disp_codec_rx_controls[] = { |
| 235 | { |
| 236 | .access = SNDRV_CTL_ELEM_ACCESS_READ | |
| 237 | SNDRV_CTL_ELEM_ACCESS_VOLATILE, |
| 238 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, |
| 239 | .name = "HDMI EDID", |
| 240 | .info = msm_ext_disp_edid_ctl_info, |
| 241 | .get = msm_ext_disp_edid_get, |
| 242 | }, |
| 243 | { |
| 244 | .access = SNDRV_CTL_ELEM_ACCESS_READ | |
| 245 | SNDRV_CTL_ELEM_ACCESS_VOLATILE, |
| 246 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, |
| 247 | .name = "Display Port EDID", |
| 248 | .info = msm_ext_disp_edid_ctl_info, |
| 249 | .get = msm_ext_disp_edid_get, |
| 250 | }, |
| 251 | SOC_ENUM_EXT("External Display Type", ext_disp_audio_type, |
| 252 | msm_ext_disp_audio_type_get, NULL), |
| 253 | SOC_ENUM_EXT("External Display Audio Ack", ext_disp_audio_ack_state, |
| 254 | NULL, msm_ext_disp_audio_ack_set), |
| 255 | }; |
| 256 | |
| 257 | static int msm_ext_disp_audio_codec_rx_dai_startup( |
| 258 | struct snd_pcm_substream *substream, |
| 259 | struct snd_soc_dai *dai) |
| 260 | { |
| 261 | int ret = 0; |
| 262 | struct msm_ext_disp_audio_codec_rx_data *codec_data = |
| 263 | dev_get_drvdata(dai->codec->dev); |
| 264 | |
| 265 | if (!codec_data || !codec_data->ext_disp_ops.cable_status) { |
| 266 | dev_err(dai->dev, "%s() codec_data or cable_status is null\n", |
| 267 | __func__); |
| 268 | return -EINVAL; |
| 269 | } |
| 270 | |
| 271 | codec_data->cable_status = |
| 272 | codec_data->ext_disp_ops.cable_status( |
| 273 | codec_data->ext_disp_core_pdev, 1); |
| 274 | if (codec_data->cable_status < 0) { |
| 275 | dev_err(dai->dev, |
| 276 | "%s() ext disp core is not ready (ret val = %d)\n", |
| 277 | __func__, codec_data->cable_status); |
| 278 | ret = codec_data->cable_status; |
| 279 | } else if (!codec_data->cable_status) { |
| 280 | dev_err(dai->dev, |
| 281 | "%s() ext disp cable is not connected (ret val = %d)\n", |
| 282 | __func__, codec_data->cable_status); |
| 283 | ret = -ENODEV; |
| 284 | } |
| 285 | |
| 286 | return ret; |
| 287 | } |
| 288 | |
| 289 | static int msm_ext_disp_audio_codec_rx_dai_hw_params( |
| 290 | struct snd_pcm_substream *substream, |
| 291 | struct snd_pcm_hw_params *params, |
| 292 | struct snd_soc_dai *dai) |
| 293 | { |
| 294 | u32 channel_allocation = 0; |
| 295 | u32 level_shift = 0; /* 0dB */ |
| 296 | bool down_mix = 0; |
| 297 | u32 num_channels = params_channels(params); |
| 298 | int rc = 0; |
| 299 | struct msm_ext_disp_audio_setup_params audio_setup_params = {0}; |
| 300 | |
| 301 | struct msm_ext_disp_audio_codec_rx_data *codec_data = |
| 302 | dev_get_drvdata(dai->codec->dev); |
| 303 | |
| 304 | if (!codec_data || !codec_data->ext_disp_ops.audio_info_setup) { |
| 305 | dev_err(dai->dev, "%s: codec_data or audio_info_setup is null\n", |
| 306 | __func__); |
| 307 | return -EINVAL; |
| 308 | } |
| 309 | |
| 310 | if (codec_data->cable_status < 0) { |
| 311 | dev_err_ratelimited(dai->dev, |
| 312 | "%s() ext disp core is not ready (ret val = %d)\n", |
| 313 | __func__, codec_data->cable_status); |
| 314 | return codec_data->cable_status; |
| 315 | } else if (!codec_data->cable_status) { |
| 316 | dev_err_ratelimited(dai->dev, |
| 317 | "%s() ext disp cable is not connected (ret val = %d)\n", |
| 318 | __func__, codec_data->cable_status); |
| 319 | return -ENODEV; |
| 320 | } |
| 321 | |
| 322 | /*refer to HDMI spec CEA-861-E: Table 28 Audio InfoFrame Data Byte 4*/ |
| 323 | switch (num_channels) { |
| 324 | case 2: |
| 325 | channel_allocation = 0; |
| 326 | break; |
| 327 | case 3: |
| 328 | channel_allocation = 0x02;/*default to FL/FR/FC*/ |
| 329 | audio_setup_params.sample_present = 0x3; |
| 330 | break; |
| 331 | case 4: |
| 332 | channel_allocation = 0x06;/*default to FL/FR/FC/RC*/ |
| 333 | audio_setup_params.sample_present = 0x7; |
| 334 | break; |
| 335 | case 5: |
| 336 | channel_allocation = 0x0A;/*default to FL/FR/FC/RR/RL*/ |
| 337 | audio_setup_params.sample_present = 0x7; |
| 338 | break; |
| 339 | case 6: |
| 340 | channel_allocation = 0x0B; |
| 341 | audio_setup_params.sample_present = 0x7; |
| 342 | break; |
| 343 | case 7: |
| 344 | channel_allocation = 0x12;/*default to FL/FR/FC/RL/RR/RRC/RLC*/ |
| 345 | audio_setup_params.sample_present = 0xf; |
| 346 | break; |
| 347 | case 8: |
| 348 | channel_allocation = 0x13; |
| 349 | audio_setup_params.sample_present = 0xf; |
| 350 | break; |
| 351 | default: |
| 352 | dev_err(dai->dev, "invalid Channels = %u\n", num_channels); |
| 353 | return -EINVAL; |
| 354 | } |
| 355 | |
| 356 | dev_dbg(dai->dev, |
| 357 | "%s() num_ch %u samplerate %u channel_allocation = %u\n", |
| 358 | __func__, num_channels, params_rate(params), |
| 359 | channel_allocation); |
| 360 | |
| 361 | audio_setup_params.sample_rate_hz = params_rate(params); |
| 362 | audio_setup_params.num_of_channels = num_channels; |
| 363 | audio_setup_params.channel_allocation = channel_allocation; |
| 364 | audio_setup_params.level_shift = level_shift; |
| 365 | audio_setup_params.down_mix = down_mix; |
| 366 | |
| 367 | rc = codec_data->ext_disp_ops.audio_info_setup( |
| 368 | codec_data->ext_disp_core_pdev, &audio_setup_params); |
| 369 | if (rc < 0) { |
| 370 | dev_err_ratelimited(dai->dev, |
| 371 | "%s() ext disp core is not ready, rc: %d\n", |
| 372 | __func__, rc); |
| 373 | } |
| 374 | |
| 375 | return rc; |
| 376 | } |
| 377 | |
| 378 | static void msm_ext_disp_audio_codec_rx_dai_shutdown( |
| 379 | struct snd_pcm_substream *substream, |
| 380 | struct snd_soc_dai *dai) |
| 381 | { |
| 382 | int rc; |
| 383 | |
| 384 | struct msm_ext_disp_audio_codec_rx_data *codec_data = |
| 385 | dev_get_drvdata(dai->codec->dev); |
| 386 | |
| 387 | if (!codec_data || !codec_data->ext_disp_ops.teardown_done || |
| 388 | !codec_data->ext_disp_ops.cable_status) { |
| 389 | dev_err(dai->dev, "%s: codec data or teardown_done or cable_status is null\n", |
| 390 | __func__); |
| 391 | return; |
| 392 | } |
| 393 | |
| 394 | rc = codec_data->ext_disp_ops.cable_status( |
| 395 | codec_data->ext_disp_core_pdev, 0); |
| 396 | if (rc < 0) { |
| 397 | dev_err(dai->dev, |
| 398 | "%s: ext disp core had problems releasing audio flag\n", |
| 399 | __func__); |
| 400 | } |
| 401 | |
| 402 | codec_data->ext_disp_ops.teardown_done( |
| 403 | codec_data->ext_disp_core_pdev); |
| 404 | } |
| 405 | |
| 406 | static int msm_ext_disp_audio_codec_rx_probe(struct snd_soc_codec *codec) |
| 407 | { |
| 408 | struct msm_ext_disp_audio_codec_rx_data *codec_data; |
| 409 | struct device_node *of_node_parent = NULL; |
| 410 | |
| 411 | codec_data = kzalloc(sizeof(struct msm_ext_disp_audio_codec_rx_data), |
| 412 | GFP_KERNEL); |
| 413 | |
| 414 | if (!codec_data) { |
| 415 | dev_err(codec->dev, "%s(): fail to allocate dai data\n", |
| 416 | __func__); |
| 417 | return -ENOMEM; |
| 418 | } |
| 419 | |
| 420 | of_node_parent = of_get_parent(codec->dev->of_node); |
| 421 | if (!of_node_parent) { |
| 422 | dev_err(codec->dev, "%s(): Parent device tree node not found\n", |
| 423 | __func__); |
| 424 | kfree(codec_data); |
| 425 | return -ENODEV; |
| 426 | } |
| 427 | |
| 428 | codec_data->ext_disp_core_pdev = of_find_device_by_node(of_node_parent); |
| 429 | if (!codec_data->ext_disp_core_pdev) { |
| 430 | dev_err(codec->dev, "%s(): can't get parent pdev\n", __func__); |
| 431 | kfree(codec_data); |
| 432 | return -ENODEV; |
| 433 | } |
| 434 | |
| 435 | if (msm_ext_disp_register_audio_codec(codec_data->ext_disp_core_pdev, |
| 436 | &codec_data->ext_disp_ops)) { |
| 437 | dev_err(codec->dev, "%s(): can't register with ext disp core", |
| 438 | __func__); |
| 439 | kfree(codec_data); |
| 440 | return -ENODEV; |
| 441 | } |
| 442 | |
| 443 | dev_set_drvdata(codec->dev, codec_data); |
| 444 | |
| 445 | dev_dbg(codec->dev, "%s(): registered %s with ext disp core\n", |
| 446 | __func__, codec->component.name); |
| 447 | |
| 448 | return 0; |
| 449 | } |
| 450 | |
| 451 | static int msm_ext_disp_audio_codec_rx_remove(struct snd_soc_codec *codec) |
| 452 | { |
| 453 | struct msm_ext_disp_audio_codec_rx_data *codec_data; |
| 454 | |
| 455 | codec_data = dev_get_drvdata(codec->dev); |
| 456 | kfree(codec_data); |
| 457 | |
| 458 | return 0; |
| 459 | } |
| 460 | |
| 461 | static struct snd_soc_dai_ops msm_ext_disp_audio_codec_rx_dai_ops = { |
| 462 | .startup = msm_ext_disp_audio_codec_rx_dai_startup, |
| 463 | .hw_params = msm_ext_disp_audio_codec_rx_dai_hw_params, |
| 464 | .shutdown = msm_ext_disp_audio_codec_rx_dai_shutdown |
| 465 | }; |
| 466 | |
| 467 | static struct snd_soc_dai_driver msm_ext_disp_audio_codec_rx_dais[] = { |
| 468 | { |
| 469 | .name = "msm_hdmi_audio_codec_rx_dai", |
| 470 | .playback = { |
| 471 | .stream_name = "HDMI Playback", |
| 472 | .channels_min = 1, |
| 473 | .channels_max = 8, |
| 474 | .rate_min = 48000, |
| 475 | .rate_max = 48000, |
| 476 | .rates = MSM_EXT_DISP_PCM_RATES, |
| 477 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 478 | }, |
| 479 | .ops = &msm_ext_disp_audio_codec_rx_dai_ops, |
| 480 | }, |
| 481 | { |
| 482 | .name = "msm_dp_audio_codec_rx_dai", |
| 483 | .playback = { |
| 484 | .stream_name = "Display Port Playback", |
| 485 | .channels_min = 1, |
| 486 | .channels_max = 8, |
| 487 | .rate_min = 48000, |
| 488 | .rate_max = 192000, |
| 489 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | |
| 490 | SNDRV_PCM_RATE_192000, |
| 491 | .formats = SNDRV_PCM_FMTBIT_S16_LE | |
| 492 | SNDRV_PCM_FMTBIT_S24_LE, |
| 493 | }, |
| 494 | .ops = &msm_ext_disp_audio_codec_rx_dai_ops, |
| 495 | }, |
| 496 | }; |
| 497 | |
| 498 | static struct snd_soc_codec_driver msm_ext_disp_audio_codec_rx_soc_driver = { |
| 499 | .probe = msm_ext_disp_audio_codec_rx_probe, |
| 500 | .remove = msm_ext_disp_audio_codec_rx_remove, |
| 501 | .component_driver = { |
| 502 | .controls = msm_ext_disp_codec_rx_controls, |
| 503 | .num_controls = ARRAY_SIZE(msm_ext_disp_codec_rx_controls), |
| 504 | }, |
| 505 | }; |
| 506 | |
| 507 | static int msm_ext_disp_audio_codec_rx_plat_probe( |
| 508 | struct platform_device *pdev) |
| 509 | { |
| 510 | dev_dbg(&pdev->dev, "%s(): dev name %s\n", __func__, |
| 511 | dev_name(&pdev->dev)); |
| 512 | |
| 513 | return snd_soc_register_codec(&pdev->dev, |
| 514 | &msm_ext_disp_audio_codec_rx_soc_driver, |
| 515 | msm_ext_disp_audio_codec_rx_dais, |
| 516 | ARRAY_SIZE(msm_ext_disp_audio_codec_rx_dais)); |
| 517 | } |
| 518 | |
| 519 | static int msm_ext_disp_audio_codec_rx_plat_remove( |
| 520 | struct platform_device *pdev) |
| 521 | { |
| 522 | snd_soc_unregister_codec(&pdev->dev); |
| 523 | return 0; |
| 524 | } |
| 525 | static const struct of_device_id msm_ext_disp_audio_codec_rx_dt_match[] = { |
| 526 | { .compatible = "qcom,msm-ext-disp-audio-codec-rx", }, |
| 527 | {} |
| 528 | }; |
| 529 | MODULE_DEVICE_TABLE(of, msm_ext_disp_audio_codec_rx_dt_match); |
| 530 | |
| 531 | static struct platform_driver msm_ext_disp_audio_codec_rx_driver = { |
| 532 | .driver = { |
| 533 | .name = "msm-ext-disp-audio-codec-rx", |
| 534 | .owner = THIS_MODULE, |
| 535 | .of_match_table = msm_ext_disp_audio_codec_rx_dt_match, |
| 536 | }, |
| 537 | .probe = msm_ext_disp_audio_codec_rx_plat_probe, |
| 538 | .remove = msm_ext_disp_audio_codec_rx_plat_remove, |
| 539 | }; |
| 540 | |
| 541 | static int __init msm_ext_disp_audio_codec_rx_init(void) |
| 542 | { |
| 543 | int rc; |
| 544 | |
| 545 | rc = platform_driver_register(&msm_ext_disp_audio_codec_rx_driver); |
| 546 | if (rc) { |
| 547 | pr_err("%s: failed to register ext disp codec driver err:%d\n", |
| 548 | __func__, rc); |
| 549 | } |
| 550 | |
| 551 | return rc; |
| 552 | } |
| 553 | module_init(msm_ext_disp_audio_codec_rx_init); |
| 554 | |
| 555 | static void __exit msm_ext_disp_audio_codec_rx_exit(void) |
| 556 | { |
| 557 | platform_driver_unregister(&msm_ext_disp_audio_codec_rx_driver); |
| 558 | } |
| 559 | module_exit(msm_ext_disp_audio_codec_rx_exit); |
| 560 | |
| 561 | MODULE_DESCRIPTION("MSM External Display Audio CODEC Driver"); |
| 562 | MODULE_LICENSE("GPL v2"); |