Meng Wang | 43bbb87 | 2018-12-10 12:32:05 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Xiaojun Sang | 53cd13a | 2018-06-29 15:14:37 +0800 | [diff] [blame] | 2 | /* Copyright (c) 2013-2014, 2017, 2019 The Linux Foundation. All rights reserved. |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 3 | */ |
| 4 | #include <linux/init.h> |
| 5 | #include <linux/module.h> |
| 6 | #include <linux/device.h> |
| 7 | #include <linux/of_device.h> |
| 8 | #include <linux/platform_device.h> |
| 9 | #include <sound/core.h> |
| 10 | #include <sound/pcm.h> |
| 11 | #include <sound/soc.h> |
| 12 | |
| 13 | enum { |
| 14 | STUB_RX, |
| 15 | STUB_TX, |
| 16 | STUB_1_RX, |
| 17 | STUB_1_TX, |
| 18 | STUB_DTMF_TX, |
| 19 | STUB_HOST_RX_CAPTURE_TX, |
| 20 | STUB_HOST_RX_PLAYBACK_RX, |
| 21 | STUB_HOST_TX_CAPTURE_TX, |
| 22 | STUB_HOST_TX_PLAYBACK_RX, |
| 23 | }; |
| 24 | |
| 25 | static int msm_dai_stub_set_channel_map(struct snd_soc_dai *dai, |
| 26 | unsigned int tx_num, unsigned int *tx_slot, |
| 27 | unsigned int rx_num, unsigned int *rx_slot) |
| 28 | { |
| 29 | pr_debug("%s:\n", __func__); |
| 30 | |
| 31 | return 0; |
| 32 | } |
| 33 | |
| 34 | static struct snd_soc_dai_ops msm_dai_stub_ops = { |
| 35 | .set_channel_map = msm_dai_stub_set_channel_map, |
| 36 | }; |
| 37 | |
| 38 | static int msm_dai_stub_add_route(struct snd_soc_dai *dai) |
| 39 | { |
| 40 | struct snd_soc_dapm_route intercon; |
| 41 | struct snd_soc_dapm_context *dapm; |
| 42 | |
| 43 | if (!dai || !dai->driver) { |
| 44 | pr_err("%s Invalid params\n", __func__); |
| 45 | return -EINVAL; |
| 46 | } |
| 47 | dapm = snd_soc_component_get_dapm(dai->component); |
| 48 | memset(&intercon, 0, sizeof(intercon)); |
| 49 | if (dai->driver->playback.stream_name && |
| 50 | dai->driver->playback.aif_name) { |
| 51 | dev_dbg(dai->dev, "%s add route for widget %s", |
| 52 | __func__, dai->driver->playback.stream_name); |
| 53 | intercon.source = dai->driver->playback.aif_name; |
| 54 | intercon.sink = dai->driver->playback.stream_name; |
| 55 | dev_dbg(dai->dev, "%s src %s sink %s\n", |
| 56 | __func__, intercon.source, intercon.sink); |
| 57 | snd_soc_dapm_add_routes(dapm, &intercon, 1); |
| 58 | } |
| 59 | if (dai->driver->capture.stream_name && |
| 60 | dai->driver->capture.aif_name) { |
| 61 | dev_dbg(dai->dev, "%s add route for widget %s", |
| 62 | __func__, dai->driver->capture.stream_name); |
| 63 | intercon.sink = dai->driver->capture.aif_name; |
| 64 | intercon.source = dai->driver->capture.stream_name; |
| 65 | dev_dbg(dai->dev, "%s src %s sink %s\n", |
| 66 | __func__, intercon.source, intercon.sink); |
| 67 | snd_soc_dapm_add_routes(dapm, &intercon, 1); |
| 68 | } |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | static int msm_dai_stub_dai_probe(struct snd_soc_dai *dai) |
| 73 | { |
| 74 | return msm_dai_stub_add_route(dai); |
| 75 | } |
| 76 | |
| 77 | static int msm_dai_stub_dai_remove(struct snd_soc_dai *dai) |
| 78 | { |
| 79 | pr_debug("%s:\n", __func__); |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | static struct snd_soc_dai_driver msm_dai_stub_dai_rx = { |
| 84 | .playback = { |
| 85 | .stream_name = "Stub Playback", |
| 86 | .aif_name = "STUB_RX", |
| 87 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | |
| 88 | SNDRV_PCM_RATE_16000, |
| 89 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 90 | .channels_min = 1, |
| 91 | .channels_max = 2, |
| 92 | .rate_min = 8000, |
| 93 | .rate_max = 48000, |
| 94 | }, |
| 95 | .ops = &msm_dai_stub_ops, |
| 96 | .probe = &msm_dai_stub_dai_probe, |
| 97 | .remove = &msm_dai_stub_dai_remove, |
| 98 | }; |
| 99 | |
| 100 | static struct snd_soc_dai_driver msm_dai_stub_dai_tx[] = { |
| 101 | { |
| 102 | .capture = { |
| 103 | .stream_name = "Stub Capture", |
| 104 | .aif_name = "STUB_TX", |
| 105 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | |
| 106 | SNDRV_PCM_RATE_16000, |
| 107 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 108 | .channels_min = 1, |
| 109 | .channels_max = 2, |
| 110 | .rate_min = 8000, |
| 111 | .rate_max = 48000, |
| 112 | }, |
| 113 | .ops = &msm_dai_stub_ops, |
| 114 | .probe = &msm_dai_stub_dai_probe, |
| 115 | .remove = &msm_dai_stub_dai_remove, |
| 116 | }, |
| 117 | { |
| 118 | .capture = { |
| 119 | .stream_name = "Stub1 Capture", |
| 120 | .aif_name = "STUB_1_TX", |
| 121 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | |
| 122 | SNDRV_PCM_RATE_16000, |
| 123 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 124 | .channels_min = 1, |
| 125 | .channels_max = 2, |
| 126 | .rate_min = 8000, |
| 127 | .rate_max = 48000, |
| 128 | }, |
| 129 | .ops = &msm_dai_stub_ops, |
| 130 | .probe = &msm_dai_stub_dai_probe, |
| 131 | .remove = &msm_dai_stub_dai_remove, |
| 132 | } |
| 133 | }; |
| 134 | |
| 135 | static struct snd_soc_dai_driver msm_dai_stub_dtmf_tx_dai = { |
| 136 | .capture = { |
| 137 | .stream_name = "DTMF TX", |
| 138 | .aif_name = "STUB_DTMF_TX", |
| 139 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | |
| 140 | SNDRV_PCM_RATE_16000, |
| 141 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 142 | .channels_min = 1, |
| 143 | .channels_max = 2, |
| 144 | .rate_min = 8000, |
| 145 | .rate_max = 48000, |
| 146 | }, |
| 147 | .ops = &msm_dai_stub_ops, |
| 148 | .probe = &msm_dai_stub_dai_probe, |
| 149 | .remove = &msm_dai_stub_dai_remove, |
| 150 | }; |
| 151 | |
| 152 | static struct snd_soc_dai_driver msm_dai_stub_host_capture_tx_dai[] = { |
| 153 | { |
| 154 | .capture = { |
| 155 | .stream_name = "CS-VOICE HOST RX CAPTURE", |
| 156 | .aif_name = "STUB_HOST_RX_CAPTURE_TX", |
| 157 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | |
| 158 | SNDRV_PCM_RATE_16000, |
| 159 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 160 | .channels_min = 1, |
| 161 | .channels_max = 2, |
| 162 | .rate_min = 8000, |
| 163 | .rate_max = 48000, |
| 164 | }, |
| 165 | .ops = &msm_dai_stub_ops, |
| 166 | .probe = &msm_dai_stub_dai_probe, |
| 167 | .remove = &msm_dai_stub_dai_remove, |
| 168 | }, |
| 169 | { |
| 170 | .capture = { |
| 171 | .stream_name = "CS-VOICE HOST TX CAPTURE", |
| 172 | .aif_name = "STUB_HOST_TX_CAPTURE_TX", |
| 173 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | |
| 174 | SNDRV_PCM_RATE_16000, |
| 175 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 176 | .channels_min = 1, |
| 177 | .channels_max = 2, |
| 178 | .rate_min = 8000, |
| 179 | .rate_max = 48000, |
| 180 | }, |
| 181 | .ops = &msm_dai_stub_ops, |
| 182 | .probe = &msm_dai_stub_dai_probe, |
| 183 | .remove = &msm_dai_stub_dai_remove, |
| 184 | }, |
| 185 | }; |
| 186 | |
| 187 | static struct snd_soc_dai_driver msm_dai_stub_host_playback_rx_dai[] = { |
| 188 | { |
| 189 | .playback = { |
| 190 | .stream_name = "CS-VOICE HOST RX PLAYBACK", |
| 191 | .aif_name = "STUB_HOST_RX_PLAYBACK_RX", |
| 192 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | |
| 193 | SNDRV_PCM_RATE_16000, |
| 194 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 195 | .channels_min = 1, |
| 196 | .channels_max = 2, |
| 197 | .rate_min = 8000, |
| 198 | .rate_max = 48000, |
| 199 | }, |
| 200 | .ops = &msm_dai_stub_ops, |
| 201 | .probe = &msm_dai_stub_dai_probe, |
| 202 | .remove = &msm_dai_stub_dai_remove, |
| 203 | }, |
| 204 | { |
| 205 | .playback = { |
| 206 | .stream_name = "CS-VOICE HOST TX PLAYBACK", |
| 207 | .aif_name = "STUB_HOST_TX_PLAYBACK_RX", |
| 208 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 | |
| 209 | SNDRV_PCM_RATE_16000, |
| 210 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 211 | .channels_min = 1, |
| 212 | .channels_max = 2, |
| 213 | .rate_min = 8000, |
| 214 | .rate_max = 48000, |
| 215 | }, |
| 216 | .ops = &msm_dai_stub_ops, |
| 217 | .probe = &msm_dai_stub_dai_probe, |
| 218 | .remove = &msm_dai_stub_dai_remove, |
| 219 | }, |
| 220 | }; |
| 221 | |
| 222 | static const struct snd_soc_component_driver msm_dai_stub_component = { |
| 223 | .name = "msm-dai-stub-dev", |
| 224 | }; |
| 225 | |
| 226 | static int msm_dai_stub_dev_probe(struct platform_device *pdev) |
| 227 | { |
| 228 | int rc, id = -1; |
| 229 | const char *stub_dev_id = "qcom,msm-dai-stub-dev-id"; |
| 230 | |
| 231 | rc = of_property_read_u32(pdev->dev.of_node, stub_dev_id, &id); |
| 232 | if (rc) { |
| 233 | dev_err(&pdev->dev, |
| 234 | "%s: missing %s in dt node\n", __func__, stub_dev_id); |
| 235 | return rc; |
| 236 | } |
| 237 | |
| 238 | pdev->id = id; |
| 239 | |
| 240 | pr_debug("%s: dev name %s, id:%d\n", __func__, |
| 241 | dev_name(&pdev->dev), pdev->id); |
| 242 | |
| 243 | switch (id) { |
| 244 | case STUB_RX: |
| 245 | rc = snd_soc_register_component(&pdev->dev, |
| 246 | &msm_dai_stub_component, &msm_dai_stub_dai_rx, 1); |
| 247 | break; |
| 248 | case STUB_TX: |
| 249 | rc = snd_soc_register_component(&pdev->dev, |
| 250 | &msm_dai_stub_component, &msm_dai_stub_dai_tx[0], 1); |
| 251 | break; |
| 252 | case STUB_1_TX: |
| 253 | rc = snd_soc_register_component(&pdev->dev, |
| 254 | &msm_dai_stub_component, &msm_dai_stub_dai_tx[1], 1); |
| 255 | break; |
| 256 | case STUB_DTMF_TX: |
| 257 | rc = snd_soc_register_component(&pdev->dev, |
| 258 | &msm_dai_stub_component, |
| 259 | &msm_dai_stub_dtmf_tx_dai, 1); |
| 260 | break; |
| 261 | case STUB_HOST_RX_CAPTURE_TX: |
| 262 | rc = snd_soc_register_component(&pdev->dev, |
| 263 | &msm_dai_stub_component, |
| 264 | &msm_dai_stub_host_capture_tx_dai[0], 1); |
| 265 | break; |
| 266 | case STUB_HOST_TX_CAPTURE_TX: |
| 267 | rc = snd_soc_register_component(&pdev->dev, |
| 268 | &msm_dai_stub_component, |
| 269 | &msm_dai_stub_host_capture_tx_dai[1], 1); |
| 270 | break; |
| 271 | case STUB_HOST_RX_PLAYBACK_RX: |
| 272 | rc = snd_soc_register_component(&pdev->dev, |
| 273 | &msm_dai_stub_component, |
| 274 | &msm_dai_stub_host_playback_rx_dai[0], 1); |
| 275 | break; |
| 276 | case STUB_HOST_TX_PLAYBACK_RX: |
| 277 | rc = snd_soc_register_component(&pdev->dev, |
| 278 | &msm_dai_stub_component, |
| 279 | &msm_dai_stub_host_playback_rx_dai[1], 1); |
| 280 | break; |
| 281 | } |
| 282 | |
| 283 | return rc; |
| 284 | } |
| 285 | |
| 286 | static int msm_dai_stub_dev_remove(struct platform_device *pdev) |
| 287 | { |
| 288 | snd_soc_unregister_component(&pdev->dev); |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | static const struct of_device_id msm_dai_stub_dev_dt_match[] = { |
| 293 | { .compatible = "qcom,msm-dai-stub-dev", }, |
| 294 | { } |
| 295 | }; |
| 296 | MODULE_DEVICE_TABLE(of, msm_dai_stub_dev_dt_match); |
| 297 | |
| 298 | static struct platform_driver msm_dai_stub_dev = { |
| 299 | .probe = msm_dai_stub_dev_probe, |
| 300 | .remove = msm_dai_stub_dev_remove, |
| 301 | .driver = { |
| 302 | .name = "msm-dai-stub-dev", |
| 303 | .owner = THIS_MODULE, |
| 304 | .of_match_table = msm_dai_stub_dev_dt_match, |
Xiaojun Sang | 53cd13a | 2018-06-29 15:14:37 +0800 | [diff] [blame] | 305 | .suppress_bind_attrs = true, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 306 | }, |
| 307 | }; |
| 308 | |
| 309 | static int msm_dai_stub_probe(struct platform_device *pdev) |
| 310 | { |
| 311 | int rc = 0; |
| 312 | |
| 313 | dev_dbg(&pdev->dev, "dev name %s\n", dev_name(&pdev->dev)); |
| 314 | |
| 315 | rc = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev); |
| 316 | if (rc) { |
| 317 | dev_err(&pdev->dev, "%s: failed to add child nodes, rc=%d\n", |
| 318 | __func__, rc); |
| 319 | } else |
| 320 | dev_dbg(&pdev->dev, "%s: added child node\n", __func__); |
| 321 | |
| 322 | return rc; |
| 323 | } |
| 324 | |
| 325 | static int msm_dai_stub_remove(struct platform_device *pdev) |
| 326 | { |
| 327 | pr_debug("%s:\n", __func__); |
| 328 | |
| 329 | return 0; |
| 330 | } |
| 331 | |
| 332 | static const struct of_device_id msm_dai_stub_dt_match[] = { |
| 333 | {.compatible = "qcom,msm-dai-stub"}, |
| 334 | {} |
| 335 | }; |
| 336 | |
| 337 | MODULE_DEVICE_TABLE(of, msm_dai_stub_dt_match); |
| 338 | |
| 339 | |
| 340 | static struct platform_driver msm_dai_stub_driver = { |
| 341 | .probe = msm_dai_stub_probe, |
| 342 | .remove = msm_dai_stub_remove, |
| 343 | .driver = { |
| 344 | .name = "msm-dai-stub", |
| 345 | .owner = THIS_MODULE, |
| 346 | .of_match_table = msm_dai_stub_dt_match, |
Xiaojun Sang | 53cd13a | 2018-06-29 15:14:37 +0800 | [diff] [blame] | 347 | .suppress_bind_attrs = true, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 348 | }, |
| 349 | }; |
| 350 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 351 | int __init msm_dai_stub_init(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 352 | { |
| 353 | int rc = 0; |
| 354 | |
| 355 | pr_debug("%s:\n", __func__); |
| 356 | |
| 357 | rc = platform_driver_register(&msm_dai_stub_driver); |
| 358 | if (rc) { |
| 359 | pr_err("%s: fail to register dai q6 driver", __func__); |
| 360 | goto fail; |
| 361 | } |
| 362 | |
| 363 | rc = platform_driver_register(&msm_dai_stub_dev); |
| 364 | if (rc) { |
| 365 | pr_err("%s: fail to register dai q6 dev driver", __func__); |
| 366 | goto dai_stub_dev_fail; |
| 367 | } |
| 368 | return rc; |
| 369 | |
| 370 | dai_stub_dev_fail: |
| 371 | platform_driver_unregister(&msm_dai_stub_driver); |
| 372 | fail: |
| 373 | return rc; |
| 374 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 375 | |
Asish Bhattacharya | 5faacb3 | 2017-12-04 17:23:15 +0530 | [diff] [blame] | 376 | void msm_dai_stub_exit(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 377 | { |
| 378 | pr_debug("%s:\n", __func__); |
| 379 | |
| 380 | platform_driver_unregister(&msm_dai_stub_dev); |
| 381 | platform_driver_unregister(&msm_dai_stub_driver); |
| 382 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 383 | |
| 384 | /* Module information */ |
| 385 | MODULE_DESCRIPTION("MSM Stub DSP DAI driver"); |
| 386 | MODULE_LICENSE("GPL v2"); |