Meng Wang | 43bbb87 | 2018-12-10 12:32:05 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 2 | /* Copyright (c) 2013-2019, The Linux Foundation. All rights reserved. |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 3 | */ |
| 4 | |
| 5 | #include <linux/init.h> |
| 6 | #include <linux/err.h> |
| 7 | #include <linux/module.h> |
| 8 | #include <linux/platform_device.h> |
| 9 | #include <linux/slab.h> |
| 10 | #include <linux/dma-mapping.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 11 | #include <sound/core.h> |
| 12 | #include <sound/soc.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 13 | #include <sound/pcm.h> |
| 14 | #include <sound/initval.h> |
| 15 | #include <sound/control.h> |
| 16 | #include <sound/tlv.h> |
| 17 | #include <asm/dma.h> |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 18 | #include <dsp/apr_audio-v2.h> |
| 19 | #include <dsp/q6audio-v2.h> |
| 20 | #include <dsp/q6asm-v2.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 21 | |
| 22 | #include "msm-pcm-routing-v2.h" |
| 23 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 24 | #define DRV_NAME "msm-pcm-loopback-v2" |
| 25 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 26 | #define LOOPBACK_VOL_MAX_STEPS 0x2000 |
| 27 | #define LOOPBACK_SESSION_MAX 4 |
| 28 | |
| 29 | static DEFINE_MUTEX(loopback_session_lock); |
| 30 | static const DECLARE_TLV_DB_LINEAR(loopback_rx_vol_gain, 0, |
| 31 | LOOPBACK_VOL_MAX_STEPS); |
| 32 | |
| 33 | struct msm_pcm_loopback { |
| 34 | struct snd_pcm_substream *playback_substream; |
| 35 | struct snd_pcm_substream *capture_substream; |
| 36 | |
| 37 | int instance; |
| 38 | |
| 39 | struct mutex lock; |
| 40 | |
| 41 | uint32_t samp_rate; |
| 42 | uint32_t channel_mode; |
| 43 | |
| 44 | int playback_start; |
| 45 | int capture_start; |
| 46 | int session_id; |
| 47 | struct audio_client *audio_client; |
| 48 | uint32_t volume; |
| 49 | }; |
| 50 | |
| 51 | struct fe_dai_session_map { |
| 52 | char stream_name[32]; |
| 53 | struct msm_pcm_loopback *loopback_priv; |
| 54 | }; |
| 55 | |
| 56 | static struct fe_dai_session_map session_map[LOOPBACK_SESSION_MAX] = { |
| 57 | { {}, NULL}, |
| 58 | { {}, NULL}, |
| 59 | { {}, NULL}, |
| 60 | { {}, NULL}, |
| 61 | }; |
| 62 | |
| 63 | static u32 hfp_tx_mute; |
| 64 | |
| 65 | struct msm_pcm_pdata { |
| 66 | int perf_mode; |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 67 | struct snd_pcm *pcm_device[MSM_FRONTEND_DAI_MM_SIZE]; |
| 68 | struct msm_pcm_channel_mixer *chmixer_pspd[MSM_FRONTEND_DAI_MM_SIZE][2]; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 69 | }; |
| 70 | |
| 71 | static void stop_pcm(struct msm_pcm_loopback *pcm); |
| 72 | static int msm_pcm_loopback_get_session(struct snd_soc_pcm_runtime *rtd, |
| 73 | struct msm_pcm_loopback **pcm); |
| 74 | |
| 75 | static void msm_pcm_route_event_handler(enum msm_pcm_routing_event event, |
| 76 | void *priv_data) |
| 77 | { |
| 78 | struct msm_pcm_loopback *pcm = priv_data; |
| 79 | |
| 80 | WARN_ON(!pcm); |
| 81 | |
| 82 | pr_debug("%s: event 0x%x\n", __func__, event); |
| 83 | |
| 84 | switch (event) { |
| 85 | case MSM_PCM_RT_EVT_DEVSWITCH: |
| 86 | q6asm_cmd(pcm->audio_client, CMD_PAUSE); |
| 87 | q6asm_cmd(pcm->audio_client, CMD_FLUSH); |
| 88 | q6asm_run(pcm->audio_client, 0, 0, 0); |
| 89 | /* fallthrough */ |
| 90 | default: |
| 91 | pr_err("%s: default event 0x%x\n", __func__, event); |
| 92 | break; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | static void msm_pcm_loopback_event_handler(uint32_t opcode, uint32_t token, |
| 97 | uint32_t *payload, void *priv) |
| 98 | { |
| 99 | pr_debug("%s:\n", __func__); |
| 100 | switch (opcode) { |
| 101 | case APR_BASIC_RSP_RESULT: { |
| 102 | switch (payload[0]) { |
| 103 | break; |
| 104 | default: |
| 105 | break; |
| 106 | } |
| 107 | } |
| 108 | break; |
| 109 | default: |
| 110 | pr_err("%s: Not Supported Event opcode[0x%x]\n", |
| 111 | __func__, opcode); |
| 112 | break; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | static int msm_loopback_session_mute_get(struct snd_kcontrol *kcontrol, |
| 117 | struct snd_ctl_elem_value *ucontrol) |
| 118 | { |
| 119 | ucontrol->value.integer.value[0] = hfp_tx_mute; |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | static int msm_loopback_session_mute_put(struct snd_kcontrol *kcontrol, |
| 124 | struct snd_ctl_elem_value *ucontrol) |
| 125 | { |
| 126 | int ret = 0, n = 0; |
| 127 | int mute = ucontrol->value.integer.value[0]; |
| 128 | struct msm_pcm_loopback *pcm = NULL; |
| 129 | |
| 130 | if ((mute < 0) || (mute > 1)) { |
| 131 | pr_err(" %s Invalid arguments", __func__); |
| 132 | ret = -EINVAL; |
| 133 | goto done; |
| 134 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 135 | mutex_lock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 136 | pr_debug("%s: mute=%d\n", __func__, mute); |
| 137 | hfp_tx_mute = mute; |
| 138 | for (n = 0; n < LOOPBACK_SESSION_MAX; n++) { |
| 139 | if (!strcmp(session_map[n].stream_name, "MultiMedia6")) |
| 140 | pcm = session_map[n].loopback_priv; |
| 141 | } |
| 142 | if (pcm && pcm->audio_client) { |
| 143 | ret = q6asm_set_mute(pcm->audio_client, mute); |
| 144 | if (ret < 0) |
| 145 | pr_err("%s: Send mute command failed rc=%d\n", |
| 146 | __func__, ret); |
| 147 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 148 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 149 | done: |
| 150 | return ret; |
| 151 | } |
| 152 | |
| 153 | static struct snd_kcontrol_new msm_loopback_controls[] = { |
| 154 | SOC_SINGLE_EXT("HFP TX Mute", SND_SOC_NOPM, 0, 1, 0, |
| 155 | msm_loopback_session_mute_get, |
| 156 | msm_loopback_session_mute_put), |
| 157 | }; |
| 158 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 159 | static int msm_pcm_loopback_probe(struct snd_soc_component *component) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 160 | { |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 161 | snd_soc_add_component_controls(component, msm_loopback_controls, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 162 | ARRAY_SIZE(msm_loopback_controls)); |
| 163 | |
| 164 | return 0; |
| 165 | } |
| 166 | static int pcm_loopback_set_volume(struct msm_pcm_loopback *prtd, |
| 167 | uint32_t volume) |
| 168 | { |
| 169 | int rc = -EINVAL; |
| 170 | |
| 171 | pr_debug("%s: Setting volume 0x%x\n", __func__, volume); |
| 172 | |
| 173 | if (prtd && prtd->audio_client) { |
| 174 | rc = q6asm_set_volume(prtd->audio_client, volume); |
| 175 | if (rc < 0) { |
| 176 | pr_err("%s: Send Volume command failed rc = %d\n", |
| 177 | __func__, rc); |
| 178 | return rc; |
| 179 | } |
| 180 | prtd->volume = volume; |
| 181 | } |
| 182 | return rc; |
| 183 | } |
| 184 | |
| 185 | static int msm_pcm_loopback_get_session(struct snd_soc_pcm_runtime *rtd, |
| 186 | struct msm_pcm_loopback **pcm) |
| 187 | { |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 188 | struct snd_soc_component *component = |
| 189 | snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 190 | int ret = 0; |
| 191 | int n, index = -1; |
| 192 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 193 | if (!component) { |
| 194 | pr_err("%s: component is NULL\n", __func__); |
| 195 | return -EINVAL; |
| 196 | } |
| 197 | |
| 198 | dev_dbg(component->dev, "%s: stream %s\n", __func__, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 199 | rtd->dai_link->stream_name); |
| 200 | |
| 201 | mutex_lock(&loopback_session_lock); |
| 202 | for (n = 0; n < LOOPBACK_SESSION_MAX; n++) { |
| 203 | if (!strcmp(rtd->dai_link->stream_name, |
| 204 | session_map[n].stream_name)) { |
| 205 | *pcm = session_map[n].loopback_priv; |
| 206 | goto exit; |
| 207 | } |
| 208 | /* |
| 209 | * Store the min index value for allocating a new session. |
| 210 | * Here, if session stream name is not found in the |
| 211 | * existing entries after the loop iteration, then this |
| 212 | * index will be used to allocate the new session. |
| 213 | * This index variable is expected to point to the topmost |
| 214 | * available free session. |
| 215 | */ |
| 216 | if (!(session_map[n].stream_name[0]) && (index < 0)) |
| 217 | index = n; |
| 218 | } |
| 219 | |
| 220 | if (index < 0) { |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 221 | dev_err(component->dev, "%s: Max Sessions allocated\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 222 | __func__); |
| 223 | ret = -EAGAIN; |
| 224 | goto exit; |
| 225 | } |
| 226 | |
| 227 | session_map[index].loopback_priv = kzalloc( |
| 228 | sizeof(struct msm_pcm_loopback), GFP_KERNEL); |
| 229 | if (!session_map[index].loopback_priv) { |
| 230 | ret = -ENOMEM; |
| 231 | goto exit; |
| 232 | } |
| 233 | |
| 234 | strlcpy(session_map[index].stream_name, |
| 235 | rtd->dai_link->stream_name, |
| 236 | sizeof(session_map[index].stream_name)); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 237 | dev_dbg(component->dev, "%s: stream %s index %d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 238 | __func__, session_map[index].stream_name, index); |
| 239 | |
| 240 | mutex_init(&session_map[index].loopback_priv->lock); |
| 241 | *pcm = session_map[index].loopback_priv; |
| 242 | exit: |
| 243 | mutex_unlock(&loopback_session_lock); |
| 244 | return ret; |
| 245 | } |
| 246 | |
| 247 | static int msm_pcm_open(struct snd_pcm_substream *substream) |
| 248 | { |
| 249 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 250 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 251 | struct snd_soc_component *component = |
| 252 | snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 253 | struct msm_pcm_loopback *pcm = NULL; |
| 254 | int ret = 0; |
| 255 | uint16_t bits_per_sample = 16; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 256 | struct asm_session_mtmx_strtr_param_window_v2_t asm_mtmx_strtr_window; |
| 257 | uint32_t param_id; |
| 258 | struct msm_pcm_pdata *pdata; |
| 259 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 260 | if (!component) { |
| 261 | pr_err("%s: component is NULL\n", __func__); |
| 262 | return -EINVAL; |
| 263 | } |
| 264 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 265 | ret = msm_pcm_loopback_get_session(rtd, &pcm); |
| 266 | if (ret) |
| 267 | return ret; |
| 268 | |
| 269 | mutex_lock(&pcm->lock); |
| 270 | |
| 271 | pcm->volume = 0x2000; |
| 272 | |
| 273 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 274 | pcm->playback_substream = substream; |
| 275 | else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 276 | pcm->capture_substream = substream; |
| 277 | |
| 278 | pcm->instance++; |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 279 | dev_dbg(component->dev, "%s: pcm out open: %d,%d\n", __func__, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 280 | pcm->instance, substream->stream); |
| 281 | if (pcm->instance == 2) { |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 282 | if (pcm->audio_client != NULL) |
| 283 | stop_pcm(pcm); |
| 284 | |
| 285 | pdata = (struct msm_pcm_pdata *) |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 286 | dev_get_drvdata(component->dev); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 287 | if (!pdata) { |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 288 | dev_err(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 289 | "%s: platform data not populated\n", __func__); |
| 290 | mutex_unlock(&pcm->lock); |
| 291 | return -EINVAL; |
| 292 | } |
| 293 | |
| 294 | pcm->audio_client = q6asm_audio_client_alloc( |
| 295 | (app_cb)msm_pcm_loopback_event_handler, pcm); |
| 296 | if (!pcm->audio_client) { |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 297 | dev_err(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 298 | "%s: Could not allocate memory\n", __func__); |
| 299 | mutex_unlock(&pcm->lock); |
| 300 | return -ENOMEM; |
| 301 | } |
| 302 | pcm->session_id = pcm->audio_client->session; |
| 303 | pcm->audio_client->perf_mode = pdata->perf_mode; |
| 304 | ret = q6asm_open_loopback_v2(pcm->audio_client, |
| 305 | bits_per_sample); |
| 306 | if (ret < 0) { |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 307 | dev_err(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 308 | "%s: pcm out open failed\n", __func__); |
| 309 | q6asm_audio_client_free(pcm->audio_client); |
| 310 | mutex_unlock(&pcm->lock); |
| 311 | return -ENOMEM; |
| 312 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 313 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 314 | pcm->playback_substream = substream; |
| 315 | ret = pcm_loopback_set_volume(pcm, pcm->volume); |
| 316 | if (ret < 0) |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 317 | dev_err(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 318 | "Error %d setting volume", ret); |
| 319 | } |
| 320 | /* Set to largest negative value */ |
| 321 | asm_mtmx_strtr_window.window_lsw = 0x00000000; |
| 322 | asm_mtmx_strtr_window.window_msw = 0x80000000; |
| 323 | param_id = ASM_SESSION_MTMX_STRTR_PARAM_RENDER_WINDOW_START_V2; |
| 324 | q6asm_send_mtmx_strtr_window(pcm->audio_client, |
| 325 | &asm_mtmx_strtr_window, |
| 326 | param_id); |
| 327 | /* Set to largest positive value */ |
| 328 | asm_mtmx_strtr_window.window_lsw = 0xffffffff; |
| 329 | asm_mtmx_strtr_window.window_msw = 0x7fffffff; |
| 330 | param_id = ASM_SESSION_MTMX_STRTR_PARAM_RENDER_WINDOW_END_V2; |
| 331 | q6asm_send_mtmx_strtr_window(pcm->audio_client, |
| 332 | &asm_mtmx_strtr_window, |
| 333 | param_id); |
| 334 | } |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 335 | dev_info(component->dev, "%s: Instance = %d, Stream ID = %s\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 336 | __func__, pcm->instance, substream->pcm->id); |
| 337 | runtime->private_data = pcm; |
| 338 | |
| 339 | mutex_unlock(&pcm->lock); |
| 340 | |
| 341 | return 0; |
| 342 | } |
| 343 | |
| 344 | static void stop_pcm(struct msm_pcm_loopback *pcm) |
| 345 | { |
| 346 | struct snd_soc_pcm_runtime *soc_pcm_rx; |
| 347 | struct snd_soc_pcm_runtime *soc_pcm_tx; |
| 348 | |
| 349 | if (pcm->audio_client == NULL) |
| 350 | return; |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 351 | |
| 352 | mutex_lock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 353 | q6asm_cmd(pcm->audio_client, CMD_CLOSE); |
| 354 | |
| 355 | if (pcm->playback_substream != NULL) { |
| 356 | soc_pcm_rx = pcm->playback_substream->private_data; |
| 357 | msm_pcm_routing_dereg_phy_stream(soc_pcm_rx->dai_link->id, |
| 358 | SNDRV_PCM_STREAM_PLAYBACK); |
| 359 | } |
| 360 | if (pcm->capture_substream != NULL) { |
| 361 | soc_pcm_tx = pcm->capture_substream->private_data; |
| 362 | msm_pcm_routing_dereg_phy_stream(soc_pcm_tx->dai_link->id, |
| 363 | SNDRV_PCM_STREAM_CAPTURE); |
| 364 | } |
| 365 | q6asm_audio_client_free(pcm->audio_client); |
| 366 | pcm->audio_client = NULL; |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 367 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | static int msm_pcm_close(struct snd_pcm_substream *substream) |
| 371 | { |
| 372 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 373 | struct msm_pcm_loopback *pcm = runtime->private_data; |
| 374 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 375 | struct snd_soc_component *component = |
| 376 | snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 377 | int ret = 0, n; |
| 378 | bool found = false; |
| 379 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 380 | if (!component) { |
| 381 | pr_err("%s: component is NULL\n", __func__); |
| 382 | return -EINVAL; |
| 383 | } |
| 384 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 385 | mutex_lock(&pcm->lock); |
| 386 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 387 | dev_dbg(component->dev, "%s: end pcm call:%d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 388 | __func__, substream->stream); |
| 389 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 390 | pcm->playback_start = 0; |
| 391 | else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 392 | pcm->capture_start = 0; |
| 393 | |
| 394 | pcm->instance--; |
| 395 | if (!pcm->playback_start || !pcm->capture_start) { |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 396 | dev_dbg(component->dev, "%s: end pcm call\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 397 | stop_pcm(pcm); |
| 398 | } |
| 399 | |
| 400 | if (!pcm->instance) { |
| 401 | mutex_lock(&loopback_session_lock); |
| 402 | for (n = 0; n < LOOPBACK_SESSION_MAX; n++) { |
| 403 | if (!strcmp(rtd->dai_link->stream_name, |
| 404 | session_map[n].stream_name)) { |
| 405 | found = true; |
| 406 | break; |
| 407 | } |
| 408 | } |
| 409 | if (found) { |
| 410 | memset(session_map[n].stream_name, 0, |
| 411 | sizeof(session_map[n].stream_name)); |
| 412 | mutex_unlock(&pcm->lock); |
| 413 | mutex_destroy(&session_map[n].loopback_priv->lock); |
| 414 | session_map[n].loopback_priv = NULL; |
| 415 | kfree(pcm); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 416 | dev_dbg(component->dev, "%s: stream freed %s\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 417 | __func__, rtd->dai_link->stream_name); |
| 418 | mutex_unlock(&loopback_session_lock); |
| 419 | return 0; |
| 420 | } |
| 421 | mutex_unlock(&loopback_session_lock); |
| 422 | } |
| 423 | mutex_unlock(&pcm->lock); |
| 424 | return ret; |
| 425 | } |
| 426 | |
| 427 | static int msm_pcm_prepare(struct snd_pcm_substream *substream) |
| 428 | { |
| 429 | int ret = 0; |
| 430 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 431 | struct msm_pcm_loopback *pcm = runtime->private_data; |
| 432 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 433 | struct snd_soc_component *component = |
| 434 | snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 435 | struct msm_pcm_routing_evt event; |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 436 | |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 437 | memset(&event, 0, sizeof(event)); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 438 | if (!component) { |
| 439 | pr_err("%s: component is NULL\n", __func__); |
| 440 | return -EINVAL; |
| 441 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 442 | |
| 443 | mutex_lock(&pcm->lock); |
| 444 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 445 | dev_dbg(component->dev, "%s: ASM loopback stream:%d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 446 | __func__, substream->stream); |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 447 | |
| 448 | if (pcm->playback_start && pcm->capture_start) { |
| 449 | mutex_unlock(&pcm->lock); |
| 450 | return ret; |
| 451 | } |
| 452 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 453 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 454 | if (!pcm->playback_start) |
| 455 | pcm->playback_start = 1; |
| 456 | } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { |
| 457 | if (!pcm->capture_start) |
| 458 | pcm->capture_start = 1; |
| 459 | } |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 460 | |
| 461 | if (pcm->playback_start && pcm->capture_start) { |
| 462 | struct snd_soc_pcm_runtime *soc_pcm_rx = |
| 463 | pcm->playback_substream->private_data; |
| 464 | struct snd_soc_pcm_runtime *soc_pcm_tx = |
| 465 | pcm->capture_substream->private_data; |
| 466 | event.event_func = msm_pcm_route_event_handler; |
| 467 | event.priv_data = (void *) pcm; |
| 468 | msm_pcm_routing_reg_phy_stream(soc_pcm_tx->dai_link->id, |
| 469 | pcm->audio_client->perf_mode, |
| 470 | pcm->session_id, pcm->capture_substream->stream); |
| 471 | msm_pcm_routing_reg_phy_stream_v2(soc_pcm_rx->dai_link->id, |
| 472 | pcm->audio_client->perf_mode, |
| 473 | pcm->session_id, pcm->playback_substream->stream, |
| 474 | event); |
| 475 | } |
| 476 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 477 | mutex_unlock(&pcm->lock); |
| 478 | |
| 479 | return ret; |
| 480 | } |
| 481 | |
| 482 | static int msm_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
| 483 | { |
| 484 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 485 | struct msm_pcm_loopback *pcm = runtime->private_data; |
| 486 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 487 | struct snd_soc_component *component = |
| 488 | snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
| 489 | |
| 490 | if (!component) { |
| 491 | pr_err("%s: component is NULL\n", __func__); |
| 492 | return -EINVAL; |
| 493 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 494 | |
| 495 | switch (cmd) { |
| 496 | case SNDRV_PCM_TRIGGER_START: |
| 497 | case SNDRV_PCM_TRIGGER_RESUME: |
| 498 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 499 | dev_dbg(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 500 | "%s: playback_start:%d,capture_start:%d\n", __func__, |
| 501 | pcm->playback_start, pcm->capture_start); |
| 502 | if (pcm->playback_start && pcm->capture_start) |
| 503 | q6asm_run_nowait(pcm->audio_client, 0, 0, 0); |
| 504 | break; |
| 505 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 506 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 507 | case SNDRV_PCM_TRIGGER_STOP: |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 508 | dev_dbg(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 509 | "%s:Pause/Stop - playback_start:%d,capture_start:%d\n", |
| 510 | __func__, pcm->playback_start, pcm->capture_start); |
| 511 | if (pcm->playback_start && pcm->capture_start) |
| 512 | q6asm_cmd_nowait(pcm->audio_client, CMD_PAUSE); |
| 513 | break; |
| 514 | default: |
| 515 | pr_err("%s: default cmd %d\n", __func__, cmd); |
| 516 | break; |
| 517 | } |
| 518 | |
| 519 | return 0; |
| 520 | } |
| 521 | |
| 522 | static const struct snd_pcm_ops msm_pcm_ops = { |
| 523 | .open = msm_pcm_open, |
| 524 | .close = msm_pcm_close, |
| 525 | .prepare = msm_pcm_prepare, |
| 526 | .trigger = msm_pcm_trigger, |
| 527 | }; |
| 528 | |
| 529 | static int msm_pcm_volume_ctl_put(struct snd_kcontrol *kcontrol, |
| 530 | struct snd_ctl_elem_value *ucontrol) |
| 531 | { |
| 532 | int rc = 0; |
| 533 | struct snd_pcm_volume *vol = kcontrol->private_data; |
| 534 | struct snd_pcm_substream *substream = vol->pcm->streams[0].substream; |
| 535 | struct msm_pcm_loopback *prtd; |
| 536 | int volume = ucontrol->value.integer.value[0]; |
| 537 | |
| 538 | pr_debug("%s: volume : 0x%x\n", __func__, volume); |
| 539 | if ((!substream) || (!substream->runtime)) { |
| 540 | pr_err("%s substream or runtime not found\n", __func__); |
| 541 | rc = -ENODEV; |
| 542 | goto exit; |
| 543 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 544 | mutex_lock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 545 | prtd = substream->runtime->private_data; |
| 546 | if (!prtd) { |
| 547 | rc = -ENODEV; |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 548 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 549 | goto exit; |
| 550 | } |
| 551 | rc = pcm_loopback_set_volume(prtd, volume); |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 552 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 553 | exit: |
| 554 | return rc; |
| 555 | } |
| 556 | |
| 557 | static int msm_pcm_volume_ctl_get(struct snd_kcontrol *kcontrol, |
| 558 | struct snd_ctl_elem_value *ucontrol) |
| 559 | { |
| 560 | int rc = 0; |
| 561 | struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol); |
| 562 | struct snd_pcm_substream *substream = |
| 563 | vol->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; |
| 564 | struct msm_pcm_loopback *prtd; |
| 565 | |
| 566 | pr_debug("%s\n", __func__); |
| 567 | if ((!substream) || (!substream->runtime)) { |
Vignesh Kulothungan | 2ce6784 | 2018-09-25 16:40:29 -0700 | [diff] [blame] | 568 | pr_debug("%s substream or runtime not found\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 569 | rc = -ENODEV; |
| 570 | goto exit; |
| 571 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 572 | mutex_lock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 573 | prtd = substream->runtime->private_data; |
| 574 | if (!prtd) { |
| 575 | rc = -ENODEV; |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 576 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 577 | goto exit; |
| 578 | } |
| 579 | ucontrol->value.integer.value[0] = prtd->volume; |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 580 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 581 | exit: |
| 582 | return rc; |
| 583 | } |
| 584 | |
| 585 | static int msm_pcm_add_volume_controls(struct snd_soc_pcm_runtime *rtd) |
| 586 | { |
| 587 | struct snd_pcm *pcm = rtd->pcm->streams[0].pcm; |
| 588 | struct snd_pcm_volume *volume_info; |
| 589 | struct snd_kcontrol *kctl; |
| 590 | int ret = 0; |
| 591 | |
| 592 | dev_dbg(rtd->dev, "%s, Volume cntrl add\n", __func__); |
| 593 | ret = snd_pcm_add_volume_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
| 594 | NULL, 1, |
| 595 | rtd->dai_link->id, |
| 596 | &volume_info); |
| 597 | if (ret < 0) |
| 598 | return ret; |
| 599 | kctl = volume_info->kctl; |
| 600 | kctl->put = msm_pcm_volume_ctl_put; |
| 601 | kctl->get = msm_pcm_volume_ctl_get; |
| 602 | kctl->tlv.p = loopback_rx_vol_gain; |
| 603 | return 0; |
| 604 | } |
| 605 | |
| 606 | static int msm_pcm_playback_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 607 | struct snd_ctl_elem_value *ucontrol) |
| 608 | { |
| 609 | u64 fe_id = kcontrol->private_value; |
| 610 | int session_type = SESSION_TYPE_RX; |
| 611 | int be_id = ucontrol->value.integer.value[3]; |
| 612 | struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000}; |
| 613 | int ret = 0; |
| 614 | |
| 615 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 616 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 617 | if (ucontrol->value.integer.value[2] != 0) |
| 618 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 619 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 620 | __func__, fe_id, session_type, be_id, |
| 621 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 622 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 623 | be_id, &cfg_data); |
| 624 | if (ret < 0) |
| 625 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 626 | __func__, ret); |
| 627 | |
| 628 | return ret; |
| 629 | } |
| 630 | |
| 631 | static int msm_pcm_playback_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 632 | struct snd_ctl_elem_value *ucontrol) |
| 633 | { |
| 634 | u64 fe_id = kcontrol->private_value; |
| 635 | int session_type = SESSION_TYPE_RX; |
| 636 | int be_id = 0; |
| 637 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 638 | int ret = 0; |
| 639 | |
| 640 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 641 | &be_id, &cfg_data); |
| 642 | if (ret < 0) { |
| 643 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 644 | __func__, ret); |
| 645 | goto done; |
| 646 | } |
| 647 | |
| 648 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 649 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 650 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 651 | ucontrol->value.integer.value[3] = be_id; |
| 652 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 653 | __func__, fe_id, session_type, be_id, |
| 654 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 655 | done: |
| 656 | return ret; |
| 657 | } |
| 658 | |
| 659 | static int msm_pcm_capture_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 660 | struct snd_ctl_elem_value *ucontrol) |
| 661 | { |
| 662 | u64 fe_id = kcontrol->private_value; |
| 663 | int session_type = SESSION_TYPE_TX; |
| 664 | int be_id = ucontrol->value.integer.value[3]; |
| 665 | struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000}; |
| 666 | int ret = 0; |
| 667 | |
| 668 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 669 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 670 | if (ucontrol->value.integer.value[2] != 0) |
| 671 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 672 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 673 | __func__, fe_id, session_type, be_id, |
| 674 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 675 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 676 | be_id, &cfg_data); |
| 677 | if (ret < 0) |
| 678 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 679 | __func__, ret); |
| 680 | |
| 681 | return ret; |
| 682 | } |
| 683 | |
| 684 | static int msm_pcm_capture_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 685 | struct snd_ctl_elem_value *ucontrol) |
| 686 | { |
| 687 | u64 fe_id = kcontrol->private_value; |
| 688 | int session_type = SESSION_TYPE_TX; |
| 689 | int be_id = 0; |
| 690 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 691 | int ret = 0; |
| 692 | |
| 693 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 694 | &be_id, &cfg_data); |
| 695 | if (ret < 0) { |
| 696 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 697 | __func__, ret); |
| 698 | goto done; |
| 699 | } |
| 700 | |
| 701 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 702 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 703 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 704 | ucontrol->value.integer.value[3] = be_id; |
| 705 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 706 | __func__, fe_id, session_type, be_id, |
| 707 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 708 | done: |
| 709 | return ret; |
| 710 | } |
| 711 | |
| 712 | static int msm_pcm_add_app_type_controls(struct snd_soc_pcm_runtime *rtd) |
| 713 | { |
| 714 | struct snd_pcm *pcm = rtd->pcm->streams[0].pcm; |
| 715 | struct snd_pcm_usr *app_type_info; |
| 716 | struct snd_kcontrol *kctl; |
| 717 | const char *playback_mixer_ctl_name = "Audio Stream"; |
| 718 | const char *capture_mixer_ctl_name = "Audio Stream Capture"; |
| 719 | const char *deviceNo = "NN"; |
| 720 | const char *suffix = "App Type Cfg"; |
| 721 | int ctl_len, ret = 0; |
| 722 | |
| 723 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { |
| 724 | ctl_len = strlen(playback_mixer_ctl_name) + 1 + |
| 725 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 726 | pr_debug("%s: Playback app type cntrl add\n", __func__); |
| 727 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
| 728 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 729 | &app_type_info); |
| 730 | if (ret < 0) |
| 731 | return ret; |
| 732 | kctl = app_type_info->kctl; |
| 733 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 734 | playback_mixer_ctl_name, rtd->pcm->device, suffix); |
| 735 | kctl->put = msm_pcm_playback_app_type_cfg_ctl_put; |
| 736 | kctl->get = msm_pcm_playback_app_type_cfg_ctl_get; |
| 737 | } |
| 738 | |
| 739 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { |
| 740 | ctl_len = strlen(capture_mixer_ctl_name) + 1 + |
| 741 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 742 | pr_debug("%s: Capture app type cntrl add\n", __func__); |
| 743 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE, |
| 744 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 745 | &app_type_info); |
| 746 | if (ret < 0) |
| 747 | return ret; |
| 748 | kctl = app_type_info->kctl; |
| 749 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 750 | capture_mixer_ctl_name, rtd->pcm->device, suffix); |
| 751 | kctl->put = msm_pcm_capture_app_type_cfg_ctl_put; |
| 752 | kctl->get = msm_pcm_capture_app_type_cfg_ctl_get; |
| 753 | } |
| 754 | |
| 755 | return 0; |
| 756 | } |
| 757 | |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 758 | static struct msm_pcm_channel_mixer *msm_pcm_get_chmixer( |
| 759 | struct msm_pcm_pdata *pdata, |
| 760 | u64 fe_id, int session_type) |
| 761 | { |
| 762 | if (!pdata) { |
| 763 | pr_err("%s: missing pdata\n", __func__); |
| 764 | return NULL; |
| 765 | } |
| 766 | |
| 767 | if (fe_id >= MSM_FRONTEND_DAI_MM_SIZE) { |
| 768 | pr_err("%s: invalid FE %llu\n", __func__, fe_id); |
| 769 | return NULL; |
| 770 | } |
| 771 | |
| 772 | if ((session_type != SESSION_TYPE_TX) && |
| 773 | (session_type != SESSION_TYPE_RX)) { |
| 774 | pr_err("%s: invalid session type %d\n", __func__, session_type); |
| 775 | return NULL; |
| 776 | } |
| 777 | |
| 778 | return pdata->chmixer_pspd[fe_id][session_type]; |
| 779 | } |
| 780 | |
| 781 | static int msm_pcm_channel_mixer_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 782 | struct snd_ctl_elem_value *ucontrol) |
| 783 | { |
| 784 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 785 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 786 | int ret = 0; |
| 787 | int stream_id = 0; |
| 788 | int be_id = 0, i = 0; |
| 789 | struct msm_pcm_loopback *prtd = NULL; |
| 790 | struct snd_soc_component *component = |
| 791 | snd_soc_kcontrol_component(kcontrol); |
| 792 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 793 | struct snd_pcm *pcm = NULL; |
| 794 | struct snd_pcm_substream *substream = NULL; |
| 795 | struct msm_pcm_channel_mixer *chmixer_pspd = NULL; |
| 796 | u8 asm_ch_map[PCM_FORMAT_MAX_NUM_CHANNEL_V8] = {0}; |
| 797 | bool reset_override_out_ch_map = false; |
| 798 | bool reset_override_in_ch_map = false; |
| 799 | |
| 800 | pcm = pdata->pcm_device[fe_id]; |
| 801 | if (!pcm) { |
| 802 | pr_err("%s invalid pcm handle for fe_id %llu\n", |
| 803 | __func__, fe_id); |
| 804 | return -EINVAL; |
| 805 | } |
| 806 | |
| 807 | if (session_type == SESSION_TYPE_RX) |
| 808 | substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; |
| 809 | else |
| 810 | substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; |
| 811 | if (!substream) { |
| 812 | pr_err("%s substream not found\n", __func__); |
| 813 | return -EINVAL; |
| 814 | } |
| 815 | |
| 816 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 817 | if (!chmixer_pspd) { |
| 818 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 819 | return -EINVAL; |
| 820 | } |
| 821 | |
| 822 | chmixer_pspd->enable = ucontrol->value.integer.value[0]; |
| 823 | chmixer_pspd->rule = ucontrol->value.integer.value[1]; |
| 824 | chmixer_pspd->input_channel = ucontrol->value.integer.value[2]; |
| 825 | chmixer_pspd->output_channel = ucontrol->value.integer.value[3]; |
| 826 | chmixer_pspd->port_idx = ucontrol->value.integer.value[4]; |
| 827 | |
| 828 | if (chmixer_pspd->enable) { |
| 829 | if (session_type == SESSION_TYPE_RX && |
| 830 | !chmixer_pspd->override_in_ch_map) { |
Rohit kumar | 2a64e52 | 2019-02-04 11:22:49 +0530 | [diff] [blame] | 831 | if (chmixer_pspd->input_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) { |
| 832 | pr_err("%s: Invalid channel count %d\n", |
| 833 | __func__, chmixer_pspd->input_channel); |
| 834 | return -EINVAL; |
| 835 | } |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 836 | q6asm_map_channels(asm_ch_map, |
| 837 | chmixer_pspd->input_channel, false); |
| 838 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 839 | chmixer_pspd->in_ch_map[i] = asm_ch_map[i]; |
| 840 | chmixer_pspd->override_in_ch_map = true; |
| 841 | reset_override_in_ch_map = true; |
| 842 | } else if (session_type == SESSION_TYPE_TX && |
| 843 | !chmixer_pspd->override_out_ch_map) { |
Rohit kumar | 2a64e52 | 2019-02-04 11:22:49 +0530 | [diff] [blame] | 844 | if (chmixer_pspd->output_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) { |
| 845 | pr_err("%s: Invalid channel count %d\n", |
| 846 | __func__, chmixer_pspd->output_channel); |
| 847 | return -EINVAL; |
| 848 | } |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 849 | q6asm_map_channels(asm_ch_map, |
| 850 | chmixer_pspd->output_channel, false); |
| 851 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 852 | chmixer_pspd->out_ch_map[i] = asm_ch_map[i]; |
| 853 | chmixer_pspd->override_out_ch_map = true; |
| 854 | reset_override_out_ch_map = true; |
| 855 | } |
| 856 | } else { |
| 857 | chmixer_pspd->override_out_ch_map = false; |
| 858 | chmixer_pspd->override_in_ch_map = false; |
| 859 | } |
| 860 | |
| 861 | /* cache value and take effect during adm_open stage */ |
| 862 | msm_pcm_routing_set_channel_mixer_cfg(fe_id, |
| 863 | session_type, |
| 864 | chmixer_pspd); |
| 865 | |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 866 | mutex_lock(&loopback_session_lock); |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 867 | if (chmixer_pspd->enable && substream->runtime) { |
| 868 | prtd = substream->runtime->private_data; |
| 869 | if (!prtd) { |
| 870 | pr_err("%s find invalid prtd fail\n", __func__); |
| 871 | ret = -EINVAL; |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 872 | mutex_unlock(&loopback_session_lock); |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 873 | goto done; |
| 874 | } |
| 875 | |
| 876 | if (prtd->audio_client) { |
| 877 | stream_id = prtd->audio_client->session; |
| 878 | be_id = chmixer_pspd->port_idx; |
| 879 | msm_pcm_routing_set_channel_mixer_runtime(be_id, |
| 880 | stream_id, |
| 881 | session_type, |
| 882 | chmixer_pspd); |
| 883 | } |
| 884 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame^] | 885 | mutex_unlock(&loopback_session_lock); |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 886 | if (reset_override_out_ch_map) |
| 887 | chmixer_pspd->override_out_ch_map = false; |
| 888 | if (reset_override_in_ch_map) |
| 889 | chmixer_pspd->override_in_ch_map = false; |
| 890 | |
| 891 | done: |
| 892 | return ret; |
| 893 | } |
| 894 | |
| 895 | static int msm_pcm_channel_mixer_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 896 | struct snd_ctl_elem_value *ucontrol) |
| 897 | { |
| 898 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 899 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 900 | struct snd_soc_component *component = |
| 901 | snd_soc_kcontrol_component(kcontrol); |
| 902 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 903 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 904 | |
| 905 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 906 | if (!chmixer_pspd) { |
| 907 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 908 | return -EINVAL; |
| 909 | } |
| 910 | |
| 911 | ucontrol->value.integer.value[0] = chmixer_pspd->enable; |
| 912 | ucontrol->value.integer.value[1] = chmixer_pspd->rule; |
| 913 | ucontrol->value.integer.value[2] = chmixer_pspd->input_channel; |
| 914 | ucontrol->value.integer.value[3] = chmixer_pspd->output_channel; |
| 915 | ucontrol->value.integer.value[4] = chmixer_pspd->port_idx; |
| 916 | return 0; |
| 917 | } |
| 918 | |
| 919 | static int msm_pcm_channel_mixer_output_map_ctl_put( |
| 920 | struct snd_kcontrol *kcontrol, |
| 921 | struct snd_ctl_elem_value *ucontrol) |
| 922 | { |
| 923 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 924 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 925 | int i = 0; |
| 926 | struct snd_soc_component *component = |
| 927 | snd_soc_kcontrol_component(kcontrol); |
| 928 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 929 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 930 | |
| 931 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 932 | if (!chmixer_pspd) { |
| 933 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 934 | return -EINVAL; |
| 935 | } |
| 936 | |
| 937 | chmixer_pspd->override_out_ch_map = true; |
| 938 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 939 | chmixer_pspd->out_ch_map[i] = |
| 940 | ucontrol->value.integer.value[i]; |
| 941 | |
| 942 | return 0; |
| 943 | } |
| 944 | |
| 945 | static int msm_pcm_channel_mixer_output_map_ctl_get( |
| 946 | struct snd_kcontrol *kcontrol, |
| 947 | struct snd_ctl_elem_value *ucontrol) |
| 948 | { |
| 949 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 950 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 951 | int i = 0; |
| 952 | struct snd_soc_component *component = |
| 953 | snd_soc_kcontrol_component(kcontrol); |
| 954 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 955 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 956 | |
| 957 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 958 | if (!chmixer_pspd) { |
| 959 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 960 | return -EINVAL; |
| 961 | } |
| 962 | |
| 963 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 964 | ucontrol->value.integer.value[i] = |
| 965 | chmixer_pspd->out_ch_map[i]; |
| 966 | return 0; |
| 967 | } |
| 968 | |
| 969 | static int msm_pcm_channel_mixer_input_map_ctl_put( |
| 970 | struct snd_kcontrol *kcontrol, |
| 971 | struct snd_ctl_elem_value *ucontrol) |
| 972 | { |
| 973 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 974 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 975 | int i = 0; |
| 976 | struct snd_soc_component *component = |
| 977 | snd_soc_kcontrol_component(kcontrol); |
| 978 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 979 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 980 | |
| 981 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 982 | if (!chmixer_pspd) { |
| 983 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 984 | return -EINVAL; |
| 985 | } |
| 986 | |
| 987 | chmixer_pspd->override_in_ch_map = true; |
| 988 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 989 | chmixer_pspd->in_ch_map[i] = ucontrol->value.integer.value[i]; |
| 990 | |
| 991 | return 0; |
| 992 | } |
| 993 | |
| 994 | static int msm_pcm_channel_mixer_input_map_ctl_get( |
| 995 | struct snd_kcontrol *kcontrol, |
| 996 | struct snd_ctl_elem_value *ucontrol) |
| 997 | { |
| 998 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 999 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 1000 | int i = 0; |
| 1001 | struct snd_soc_component *component = |
| 1002 | snd_soc_kcontrol_component(kcontrol); |
| 1003 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 1004 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 1005 | |
| 1006 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 1007 | if (!chmixer_pspd) { |
| 1008 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 1009 | return -EINVAL; |
| 1010 | } |
| 1011 | |
| 1012 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 1013 | ucontrol->value.integer.value[i] = |
| 1014 | chmixer_pspd->in_ch_map[i]; |
| 1015 | return 0; |
| 1016 | } |
| 1017 | |
| 1018 | static int msm_pcm_channel_mixer_weight_ctl_put( |
| 1019 | struct snd_kcontrol *kcontrol, |
| 1020 | struct snd_ctl_elem_value *ucontrol) |
| 1021 | { |
| 1022 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 1023 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 1024 | int channel = (kcontrol->private_value >> 16) & 0xFF; |
| 1025 | int i = 0; |
| 1026 | struct snd_soc_component *component = |
| 1027 | snd_soc_kcontrol_component(kcontrol); |
| 1028 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 1029 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 1030 | |
| 1031 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 1032 | if (!chmixer_pspd) { |
| 1033 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 1034 | return -EINVAL; |
| 1035 | } |
| 1036 | |
| 1037 | if (channel <= 0 || channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) { |
| 1038 | pr_err("%s: invalid channel number %d\n", __func__, channel); |
| 1039 | return -EINVAL; |
| 1040 | } |
| 1041 | channel--; |
| 1042 | |
| 1043 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 1044 | chmixer_pspd->channel_weight[channel][i] = |
| 1045 | ucontrol->value.integer.value[i]; |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
| 1049 | static int msm_pcm_channel_mixer_weight_ctl_get( |
| 1050 | struct snd_kcontrol *kcontrol, |
| 1051 | struct snd_ctl_elem_value *ucontrol) |
| 1052 | { |
| 1053 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 1054 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 1055 | int channel = (kcontrol->private_value >> 16) & 0xFF; |
| 1056 | struct snd_soc_component *component = |
| 1057 | snd_soc_kcontrol_component(kcontrol); |
| 1058 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 1059 | int i = 0; |
| 1060 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 1061 | |
| 1062 | if (channel <= 0 || channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) { |
| 1063 | pr_err("%s: invalid channel number %d\n", __func__, channel); |
| 1064 | return -EINVAL; |
| 1065 | } |
| 1066 | channel--; |
| 1067 | |
| 1068 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 1069 | if (!chmixer_pspd) { |
| 1070 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 1071 | return -EINVAL; |
| 1072 | } |
| 1073 | |
| 1074 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 1075 | ucontrol->value.integer.value[i] = |
| 1076 | chmixer_pspd->channel_weight[channel][i]; |
| 1077 | return 0; |
| 1078 | } |
| 1079 | |
| 1080 | static int msm_pcm_add_platform_controls(struct snd_kcontrol_new *kctl, |
| 1081 | struct snd_soc_pcm_runtime *rtd, const char *name_prefix, |
| 1082 | const char *name_suffix, int session_type, int channels) |
| 1083 | { |
| 1084 | int ret = -EINVAL; |
| 1085 | char *mixer_name = NULL; |
| 1086 | struct snd_pcm *pcm = rtd->pcm; |
| 1087 | const char *deviceNo = "NN"; |
| 1088 | const char *channelNo = "NN"; |
| 1089 | int ctl_len = 0; |
| 1090 | struct snd_soc_component *component = NULL; |
| 1091 | |
| 1092 | component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
| 1093 | if (!component) { |
| 1094 | pr_err("%s: component is NULL\n", __func__); |
| 1095 | return -EINVAL; |
| 1096 | } |
| 1097 | |
| 1098 | ctl_len = strlen(name_prefix) + 1 + strlen(deviceNo) + 1 + |
| 1099 | strlen(channelNo) + 1 + strlen(name_suffix) + 1; |
| 1100 | |
| 1101 | mixer_name = kzalloc(ctl_len, GFP_KERNEL); |
| 1102 | if (mixer_name == NULL) |
| 1103 | return -ENOMEM; |
| 1104 | |
| 1105 | if (channels >= 0) { |
| 1106 | snprintf(mixer_name, ctl_len, "%s %d %s %d", |
| 1107 | name_prefix, pcm->device, name_suffix, channels); |
| 1108 | kctl->private_value = (rtd->dai_link->id) | (session_type << 8) | |
| 1109 | (channels << 16); |
| 1110 | } else { |
| 1111 | snprintf(mixer_name, ctl_len, "%s %d %s", |
| 1112 | name_prefix, pcm->device, name_suffix); |
| 1113 | kctl->private_value = (rtd->dai_link->id) | (session_type << 8); |
| 1114 | } |
| 1115 | |
| 1116 | kctl->name = mixer_name; |
| 1117 | ret = snd_soc_add_component_controls(component, kctl, 1); |
| 1118 | kfree(mixer_name); |
| 1119 | return ret; |
| 1120 | } |
| 1121 | |
| 1122 | static int msm_pcm_channel_mixer_output_map_info(struct snd_kcontrol *kcontrol, |
| 1123 | struct snd_ctl_elem_info *uinfo) |
| 1124 | { |
| 1125 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1126 | uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8; |
| 1127 | /* Valid channel map value ranges from 1 to 64 */ |
| 1128 | uinfo->value.integer.min = 1; |
| 1129 | uinfo->value.integer.max = 64; |
| 1130 | return 0; |
| 1131 | } |
| 1132 | |
| 1133 | static int msm_pcm_add_channel_mixer_output_map_controls( |
| 1134 | struct snd_soc_pcm_runtime *rtd) |
| 1135 | { |
| 1136 | struct snd_pcm *pcm = rtd->pcm; |
| 1137 | const char *playback_mixer_ctl_name = "AudStr"; |
| 1138 | const char *capture_mixer_ctl_name = "AudStr Capture"; |
| 1139 | const char *suffix = "ChMixer Output Map"; |
| 1140 | int session_type = 0, ret = 0, channel = -1; |
| 1141 | struct snd_kcontrol_new channel_mixer_output_map_control = { |
| 1142 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1143 | .name = "?", |
| 1144 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1145 | .info = msm_pcm_channel_mixer_output_map_info, |
| 1146 | .put = msm_pcm_channel_mixer_output_map_ctl_put, |
| 1147 | .get = msm_pcm_channel_mixer_output_map_ctl_get, |
| 1148 | .private_value = 0, |
| 1149 | }; |
| 1150 | |
| 1151 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) { |
| 1152 | session_type = SESSION_TYPE_RX; |
| 1153 | ret = msm_pcm_add_platform_controls(&channel_mixer_output_map_control, |
| 1154 | rtd, playback_mixer_ctl_name, suffix, session_type, channel); |
| 1155 | if (ret < 0) |
| 1156 | goto fail; |
| 1157 | } |
| 1158 | |
| 1159 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) { |
| 1160 | session_type = SESSION_TYPE_TX; |
| 1161 | ret = msm_pcm_add_platform_controls(&channel_mixer_output_map_control, |
| 1162 | rtd, capture_mixer_ctl_name, suffix, session_type, channel); |
| 1163 | if (ret < 0) |
| 1164 | goto fail; |
| 1165 | } |
| 1166 | return 0; |
| 1167 | |
| 1168 | fail: |
| 1169 | pr_err("%s: failed add platform ctl, err = %d\n", |
| 1170 | __func__, ret); |
| 1171 | |
| 1172 | return ret; |
| 1173 | } |
| 1174 | |
| 1175 | static int msm_pcm_channel_mixer_input_map_info(struct snd_kcontrol *kcontrol, |
| 1176 | struct snd_ctl_elem_info *uinfo) |
| 1177 | { |
| 1178 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1179 | uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8; |
| 1180 | /* Valid channel map value ranges from 1 to 64 */ |
| 1181 | uinfo->value.integer.min = 1; |
| 1182 | uinfo->value.integer.max = 64; |
| 1183 | return 0; |
| 1184 | } |
| 1185 | |
| 1186 | static int msm_pcm_add_channel_mixer_input_map_controls( |
| 1187 | struct snd_soc_pcm_runtime *rtd) |
| 1188 | { |
| 1189 | struct snd_pcm *pcm = rtd->pcm; |
| 1190 | const char *playback_mixer_ctl_name = "AudStr"; |
| 1191 | const char *capture_mixer_ctl_name = "AudStr Capture"; |
| 1192 | const char *suffix = "ChMixer Input Map"; |
| 1193 | int session_type = 0, ret = 0, channel = -1; |
| 1194 | struct snd_kcontrol_new channel_mixer_input_map_control = { |
| 1195 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1196 | .name = "?", |
| 1197 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1198 | .info = msm_pcm_channel_mixer_input_map_info, |
| 1199 | .put = msm_pcm_channel_mixer_input_map_ctl_put, |
| 1200 | .get = msm_pcm_channel_mixer_input_map_ctl_get, |
| 1201 | .private_value = 0, |
| 1202 | }; |
| 1203 | |
| 1204 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) { |
| 1205 | session_type = SESSION_TYPE_RX; |
| 1206 | ret = msm_pcm_add_platform_controls(&channel_mixer_input_map_control, |
| 1207 | rtd, playback_mixer_ctl_name, suffix, session_type, channel); |
| 1208 | if (ret < 0) |
| 1209 | goto fail; |
| 1210 | } |
| 1211 | |
| 1212 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) { |
| 1213 | session_type = SESSION_TYPE_TX; |
| 1214 | ret = msm_pcm_add_platform_controls(&channel_mixer_input_map_control, |
| 1215 | rtd, capture_mixer_ctl_name, suffix, session_type, channel); |
| 1216 | if (ret < 0) |
| 1217 | goto fail; |
| 1218 | } |
| 1219 | return 0; |
| 1220 | |
| 1221 | fail: |
| 1222 | pr_err("%s: failed add platform ctl, err = %d\n", |
| 1223 | __func__, ret); |
| 1224 | return ret; |
| 1225 | } |
| 1226 | |
| 1227 | static int msm_pcm_channel_mixer_cfg_info(struct snd_kcontrol *kcontrol, |
| 1228 | struct snd_ctl_elem_info *uinfo) |
| 1229 | { |
| 1230 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1231 | /* five int values: enable, rule, in_channels, out_channels and port_id */ |
| 1232 | uinfo->count = 5; |
| 1233 | /* Valid range is all positive values to support above controls */ |
| 1234 | uinfo->value.integer.min = 0; |
| 1235 | uinfo->value.integer.max = INT_MAX; |
| 1236 | return 0; |
| 1237 | } |
| 1238 | |
| 1239 | static int msm_pcm_add_channel_mixer_cfg_controls( |
| 1240 | struct snd_soc_pcm_runtime *rtd) |
| 1241 | { |
| 1242 | struct snd_pcm *pcm = rtd->pcm; |
| 1243 | const char *playback_mixer_ctl_name = "AudStr"; |
| 1244 | const char *capture_mixer_ctl_name = "AudStr Capture"; |
| 1245 | const char *suffix = "ChMixer Cfg"; |
| 1246 | int session_type = 0, ret = 0, channel = -1; |
| 1247 | struct msm_pcm_pdata *pdata = NULL; |
| 1248 | struct snd_soc_component *component = NULL; |
| 1249 | struct snd_kcontrol_new channel_mixer_cfg_control = { |
| 1250 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1251 | .name = "?", |
| 1252 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1253 | .info = msm_pcm_channel_mixer_cfg_info, |
| 1254 | .put = msm_pcm_channel_mixer_cfg_ctl_put, |
| 1255 | .get = msm_pcm_channel_mixer_cfg_ctl_get, |
| 1256 | .private_value = 0, |
| 1257 | }; |
| 1258 | |
| 1259 | component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
| 1260 | if (!component) { |
| 1261 | pr_err("%s: component is NULL\n", __func__); |
| 1262 | return -EINVAL; |
| 1263 | } |
| 1264 | pdata = (struct msm_pcm_pdata *) |
| 1265 | dev_get_drvdata(component->dev); |
| 1266 | if (pdata == NULL) { |
| 1267 | pr_err("%s: platform data not populated\n", __func__); |
| 1268 | return -EINVAL; |
| 1269 | } |
| 1270 | |
| 1271 | pdata->pcm_device[rtd->dai_link->id] = rtd->pcm; |
| 1272 | |
| 1273 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) { |
| 1274 | session_type = SESSION_TYPE_RX; |
| 1275 | ret = msm_pcm_add_platform_controls(&channel_mixer_cfg_control, |
| 1276 | rtd, playback_mixer_ctl_name, suffix, session_type, channel); |
| 1277 | if (ret < 0) |
| 1278 | goto fail; |
| 1279 | } |
| 1280 | |
| 1281 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) { |
| 1282 | session_type = SESSION_TYPE_TX; |
| 1283 | ret = msm_pcm_add_platform_controls(&channel_mixer_cfg_control, |
| 1284 | rtd, capture_mixer_ctl_name, suffix, session_type, channel); |
| 1285 | if (ret < 0) |
| 1286 | goto fail; |
| 1287 | } |
| 1288 | return 0; |
| 1289 | |
| 1290 | fail: |
| 1291 | pr_err("%s: failed add platform ctl, err = %d\n", |
| 1292 | __func__, ret); |
| 1293 | |
| 1294 | return ret; |
| 1295 | } |
| 1296 | |
| 1297 | static int msm_pcm_channel_mixer_weight_info(struct snd_kcontrol *kcontrol, |
| 1298 | struct snd_ctl_elem_info *uinfo) |
| 1299 | { |
| 1300 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1301 | uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8; |
| 1302 | /* Valid range: 0 to 0x4000(Unity) gain weightage */ |
| 1303 | uinfo->value.integer.min = 0; |
| 1304 | uinfo->value.integer.max = 0x4000; |
| 1305 | return 0; |
| 1306 | } |
| 1307 | |
| 1308 | static int msm_pcm_add_channel_mixer_weight_controls( |
| 1309 | struct snd_soc_pcm_runtime *rtd, |
| 1310 | int channel) |
| 1311 | { |
| 1312 | struct snd_pcm *pcm = rtd->pcm; |
| 1313 | const char *playback_mixer_ctl_name = "AudStr"; |
| 1314 | const char *capture_mixer_ctl_name = "AudStr Capture"; |
| 1315 | const char *suffix = "ChMixer Weight Ch"; |
| 1316 | int session_type = 0, ret = 0; |
| 1317 | struct snd_kcontrol_new channel_mixer_weight_control = { |
| 1318 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1319 | .name = "?", |
| 1320 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1321 | .info = msm_pcm_channel_mixer_weight_info, |
| 1322 | .put = msm_pcm_channel_mixer_weight_ctl_put, |
| 1323 | .get = msm_pcm_channel_mixer_weight_ctl_get, |
| 1324 | .private_value = 0, |
| 1325 | }; |
| 1326 | |
| 1327 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) { |
| 1328 | session_type = SESSION_TYPE_RX; |
| 1329 | ret = msm_pcm_add_platform_controls(&channel_mixer_weight_control, |
| 1330 | rtd, playback_mixer_ctl_name, suffix, session_type, channel); |
| 1331 | if (ret < 0) |
| 1332 | goto fail; |
| 1333 | } |
| 1334 | |
| 1335 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) { |
| 1336 | session_type = SESSION_TYPE_TX; |
| 1337 | ret = msm_pcm_add_platform_controls(&channel_mixer_weight_control, |
| 1338 | rtd, capture_mixer_ctl_name, suffix, session_type, channel); |
| 1339 | if (ret < 0) |
| 1340 | goto fail; |
| 1341 | } |
| 1342 | return 0; |
| 1343 | |
| 1344 | fail: |
| 1345 | pr_err("%s: failed add platform ctl, err = %d\n", |
| 1346 | __func__, ret); |
| 1347 | |
| 1348 | return ret; |
| 1349 | } |
| 1350 | |
| 1351 | static int msm_pcm_add_channel_mixer_controls(struct snd_soc_pcm_runtime *rtd) |
| 1352 | { |
| 1353 | int i, ret = 0; |
| 1354 | struct snd_pcm *pcm = NULL; |
| 1355 | struct msm_pcm_pdata *pdata = NULL; |
| 1356 | struct snd_soc_component *component = NULL; |
| 1357 | |
| 1358 | if (!rtd || !rtd->pcm) { |
| 1359 | pr_err("%s invalid rtd or pcm\n", __func__); |
| 1360 | return -EINVAL; |
| 1361 | } |
| 1362 | pcm = rtd->pcm; |
| 1363 | |
| 1364 | component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
| 1365 | if (!component) { |
| 1366 | pr_err("%s: component is NULL\n", __func__); |
| 1367 | return -EINVAL; |
| 1368 | } |
| 1369 | |
| 1370 | pdata = (struct msm_pcm_pdata *) |
| 1371 | dev_get_drvdata(component->dev); |
| 1372 | if (!pdata) { |
| 1373 | pr_err("%s: platform data not populated\n", __func__); |
| 1374 | return -EINVAL; |
| 1375 | } |
| 1376 | |
| 1377 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream && |
| 1378 | !pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]) { |
| 1379 | pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX] = |
| 1380 | kzalloc(sizeof(struct msm_pcm_channel_mixer), GFP_KERNEL); |
| 1381 | if (!pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]) { |
| 1382 | ret = -ENOMEM; |
| 1383 | goto fail; |
| 1384 | } |
| 1385 | } |
| 1386 | |
| 1387 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream && |
| 1388 | !pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]) { |
| 1389 | pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX] = |
| 1390 | kzalloc(sizeof(struct msm_pcm_channel_mixer), GFP_KERNEL); |
| 1391 | if (!pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]) { |
| 1392 | ret = -ENOMEM; |
| 1393 | goto fail; |
| 1394 | } |
| 1395 | } |
| 1396 | |
| 1397 | ret = msm_pcm_add_channel_mixer_cfg_controls(rtd); |
| 1398 | if (ret) { |
| 1399 | pr_err("%s: pcm add channel mixer cfg controls failed:%d\n", |
| 1400 | __func__, ret); |
| 1401 | goto fail; |
| 1402 | } |
| 1403 | ret = msm_pcm_add_channel_mixer_input_map_controls(rtd); |
| 1404 | if (ret) { |
| 1405 | pr_err("%s: pcm add channel mixer input map controls failed:%d\n", |
| 1406 | __func__, ret); |
| 1407 | goto fail; |
| 1408 | } |
| 1409 | ret = msm_pcm_add_channel_mixer_output_map_controls(rtd); |
| 1410 | if (ret) { |
| 1411 | pr_err("%s: pcm add channel mixer output map controls failed:%d\n", |
| 1412 | __func__, ret); |
| 1413 | goto fail; |
| 1414 | } |
| 1415 | |
| 1416 | for (i = 1; i <= PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) { |
| 1417 | ret = msm_pcm_add_channel_mixer_weight_controls(rtd, i); |
| 1418 | if (ret) { |
| 1419 | pr_err("%s: pcm add channel mixer weight controls failed:%d\n", |
| 1420 | __func__, ret); |
| 1421 | goto fail; |
| 1422 | } |
| 1423 | } |
| 1424 | return 0; |
| 1425 | |
| 1426 | fail: |
| 1427 | kfree(pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]); |
| 1428 | kfree(pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]); |
| 1429 | pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX] = NULL; |
| 1430 | pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX] = NULL; |
| 1431 | |
| 1432 | return ret; |
| 1433 | } |
| 1434 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1435 | static int msm_pcm_add_controls(struct snd_soc_pcm_runtime *rtd) |
| 1436 | { |
| 1437 | int ret = 0; |
| 1438 | |
| 1439 | pr_debug("%s\n", __func__); |
| 1440 | ret = msm_pcm_add_volume_controls(rtd); |
| 1441 | if (ret) |
| 1442 | pr_err("%s: pcm add volume controls failed:%d\n", |
| 1443 | __func__, ret); |
| 1444 | ret = msm_pcm_add_app_type_controls(rtd); |
| 1445 | if (ret) |
| 1446 | pr_err("%s: pcm add app type controls failed:%d\n", |
| 1447 | __func__, ret); |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 1448 | |
| 1449 | ret = msm_pcm_add_channel_mixer_controls(rtd); |
| 1450 | if (ret) |
| 1451 | pr_err("%s: pcm add channel mixer controls failed:%d\n", |
| 1452 | __func__, ret); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1453 | return ret; |
| 1454 | } |
| 1455 | |
| 1456 | static int msm_asoc_pcm_new(struct snd_soc_pcm_runtime *rtd) |
| 1457 | { |
| 1458 | struct snd_card *card = rtd->card->snd_card; |
| 1459 | int ret = 0; |
| 1460 | |
| 1461 | if (!card->dev->coherent_dma_mask) |
| 1462 | card->dev->coherent_dma_mask = DMA_BIT_MASK(32); |
| 1463 | |
| 1464 | ret = msm_pcm_add_controls(rtd); |
| 1465 | if (ret) |
| 1466 | dev_err(rtd->dev, "%s, kctl add failed\n", __func__); |
| 1467 | return ret; |
| 1468 | } |
| 1469 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 1470 | static struct snd_soc_component_driver msm_soc_component = { |
| 1471 | .name = DRV_NAME, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1472 | .ops = &msm_pcm_ops, |
| 1473 | .pcm_new = msm_asoc_pcm_new, |
| 1474 | .probe = msm_pcm_loopback_probe, |
| 1475 | }; |
| 1476 | |
| 1477 | static int msm_pcm_probe(struct platform_device *pdev) |
| 1478 | { |
| 1479 | struct msm_pcm_pdata *pdata; |
| 1480 | |
| 1481 | dev_dbg(&pdev->dev, "%s: dev name %s\n", |
| 1482 | __func__, dev_name(&pdev->dev)); |
| 1483 | |
| 1484 | pdata = kzalloc(sizeof(struct msm_pcm_pdata), GFP_KERNEL); |
| 1485 | if (!pdata) |
| 1486 | return -ENOMEM; |
| 1487 | |
| 1488 | if (of_property_read_bool(pdev->dev.of_node, |
| 1489 | "qcom,msm-pcm-loopback-low-latency")) |
| 1490 | pdata->perf_mode = LOW_LATENCY_PCM_MODE; |
| 1491 | else |
| 1492 | pdata->perf_mode = LEGACY_PCM_MODE; |
| 1493 | |
| 1494 | dev_set_drvdata(&pdev->dev, pdata); |
| 1495 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 1496 | return snd_soc_register_component(&pdev->dev, |
| 1497 | &msm_soc_component, |
| 1498 | NULL, 0); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1499 | } |
| 1500 | |
| 1501 | static int msm_pcm_remove(struct platform_device *pdev) |
| 1502 | { |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 1503 | struct msm_pcm_pdata *pdata; |
| 1504 | int i = 0; |
| 1505 | |
| 1506 | pdata = dev_get_drvdata(&pdev->dev); |
| 1507 | if (pdata) { |
| 1508 | for (i = 0; i < MSM_FRONTEND_DAI_MM_SIZE; i++) { |
| 1509 | kfree(pdata->chmixer_pspd[i][SESSION_TYPE_RX]); |
| 1510 | kfree(pdata->chmixer_pspd[i][SESSION_TYPE_TX]); |
| 1511 | } |
| 1512 | } |
| 1513 | kfree(pdata); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 1514 | snd_soc_unregister_component(&pdev->dev); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1515 | return 0; |
| 1516 | } |
| 1517 | |
| 1518 | static const struct of_device_id msm_pcm_loopback_dt_match[] = { |
| 1519 | {.compatible = "qcom,msm-pcm-loopback"}, |
| 1520 | {} |
| 1521 | }; |
| 1522 | |
| 1523 | static struct platform_driver msm_pcm_driver = { |
| 1524 | .driver = { |
| 1525 | .name = "msm-pcm-loopback", |
| 1526 | .owner = THIS_MODULE, |
| 1527 | .of_match_table = msm_pcm_loopback_dt_match, |
Xiaojun Sang | 53cd13a | 2018-06-29 15:14:37 +0800 | [diff] [blame] | 1528 | .suppress_bind_attrs = true, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1529 | }, |
| 1530 | .probe = msm_pcm_probe, |
| 1531 | .remove = msm_pcm_remove, |
| 1532 | }; |
| 1533 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 1534 | int __init msm_pcm_loopback_init(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1535 | { |
| 1536 | return platform_driver_register(&msm_pcm_driver); |
| 1537 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1538 | |
Asish Bhattacharya | 5faacb3 | 2017-12-04 17:23:15 +0530 | [diff] [blame] | 1539 | void msm_pcm_loopback_exit(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1540 | { |
| 1541 | platform_driver_unregister(&msm_pcm_driver); |
| 1542 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1543 | |
| 1544 | MODULE_DESCRIPTION("PCM loopback platform driver"); |
| 1545 | MODULE_LICENSE("GPL v2"); |