Meng Wang | 43bbb87 | 2018-12-10 12:32:05 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Laxminath Kasam | d08ab1f | 2020-01-30 19:07:58 +0530 | [diff] [blame] | 2 | /* Copyright (c) 2013-2020, 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); |
Deru Wang | fbe5c7c | 2020-03-24 20:06:55 +0800 | [diff] [blame] | 310 | pcm->audio_client = NULL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 311 | mutex_unlock(&pcm->lock); |
| 312 | return -ENOMEM; |
| 313 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 314 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 315 | pcm->playback_substream = substream; |
| 316 | ret = pcm_loopback_set_volume(pcm, pcm->volume); |
| 317 | if (ret < 0) |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 318 | dev_err(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 319 | "Error %d setting volume", ret); |
| 320 | } |
| 321 | /* Set to largest negative value */ |
| 322 | asm_mtmx_strtr_window.window_lsw = 0x00000000; |
| 323 | asm_mtmx_strtr_window.window_msw = 0x80000000; |
| 324 | param_id = ASM_SESSION_MTMX_STRTR_PARAM_RENDER_WINDOW_START_V2; |
| 325 | q6asm_send_mtmx_strtr_window(pcm->audio_client, |
| 326 | &asm_mtmx_strtr_window, |
| 327 | param_id); |
| 328 | /* Set to largest positive value */ |
| 329 | asm_mtmx_strtr_window.window_lsw = 0xffffffff; |
| 330 | asm_mtmx_strtr_window.window_msw = 0x7fffffff; |
| 331 | param_id = ASM_SESSION_MTMX_STRTR_PARAM_RENDER_WINDOW_END_V2; |
| 332 | q6asm_send_mtmx_strtr_window(pcm->audio_client, |
| 333 | &asm_mtmx_strtr_window, |
| 334 | param_id); |
| 335 | } |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 336 | dev_info(component->dev, "%s: Instance = %d, Stream ID = %s\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 337 | __func__, pcm->instance, substream->pcm->id); |
| 338 | runtime->private_data = pcm; |
| 339 | |
| 340 | mutex_unlock(&pcm->lock); |
| 341 | |
| 342 | return 0; |
| 343 | } |
| 344 | |
| 345 | static void stop_pcm(struct msm_pcm_loopback *pcm) |
| 346 | { |
| 347 | struct snd_soc_pcm_runtime *soc_pcm_rx; |
| 348 | struct snd_soc_pcm_runtime *soc_pcm_tx; |
| 349 | |
Deru Wang | fbe5c7c | 2020-03-24 20:06:55 +0800 | [diff] [blame] | 350 | if (pcm->audio_client == NULL) { |
| 351 | pr_err("%s: audio client freed\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 352 | return; |
Deru Wang | fbe5c7c | 2020-03-24 20:06:55 +0800 | [diff] [blame] | 353 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 354 | |
| 355 | mutex_lock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 356 | q6asm_cmd(pcm->audio_client, CMD_CLOSE); |
| 357 | |
| 358 | if (pcm->playback_substream != NULL) { |
| 359 | soc_pcm_rx = pcm->playback_substream->private_data; |
| 360 | msm_pcm_routing_dereg_phy_stream(soc_pcm_rx->dai_link->id, |
| 361 | SNDRV_PCM_STREAM_PLAYBACK); |
| 362 | } |
| 363 | if (pcm->capture_substream != NULL) { |
| 364 | soc_pcm_tx = pcm->capture_substream->private_data; |
| 365 | msm_pcm_routing_dereg_phy_stream(soc_pcm_tx->dai_link->id, |
| 366 | SNDRV_PCM_STREAM_CAPTURE); |
| 367 | } |
| 368 | q6asm_audio_client_free(pcm->audio_client); |
| 369 | pcm->audio_client = NULL; |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 370 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | static int msm_pcm_close(struct snd_pcm_substream *substream) |
| 374 | { |
| 375 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 376 | struct msm_pcm_loopback *pcm = runtime->private_data; |
| 377 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 378 | struct snd_soc_component *component = |
| 379 | snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 380 | int ret = 0, n; |
| 381 | bool found = false; |
| 382 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 383 | if (!component) { |
| 384 | pr_err("%s: component is NULL\n", __func__); |
| 385 | return -EINVAL; |
| 386 | } |
| 387 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 388 | mutex_lock(&pcm->lock); |
| 389 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 390 | dev_dbg(component->dev, "%s: end pcm call:%d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 391 | __func__, substream->stream); |
| 392 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 393 | pcm->playback_start = 0; |
| 394 | else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 395 | pcm->capture_start = 0; |
| 396 | |
| 397 | pcm->instance--; |
| 398 | if (!pcm->playback_start || !pcm->capture_start) { |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 399 | dev_dbg(component->dev, "%s: end pcm call\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 400 | stop_pcm(pcm); |
| 401 | } |
| 402 | |
| 403 | if (!pcm->instance) { |
| 404 | mutex_lock(&loopback_session_lock); |
| 405 | for (n = 0; n < LOOPBACK_SESSION_MAX; n++) { |
| 406 | if (!strcmp(rtd->dai_link->stream_name, |
| 407 | session_map[n].stream_name)) { |
| 408 | found = true; |
| 409 | break; |
| 410 | } |
| 411 | } |
| 412 | if (found) { |
| 413 | memset(session_map[n].stream_name, 0, |
| 414 | sizeof(session_map[n].stream_name)); |
| 415 | mutex_unlock(&pcm->lock); |
| 416 | mutex_destroy(&session_map[n].loopback_priv->lock); |
| 417 | session_map[n].loopback_priv = NULL; |
| 418 | kfree(pcm); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 419 | dev_dbg(component->dev, "%s: stream freed %s\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 420 | __func__, rtd->dai_link->stream_name); |
| 421 | mutex_unlock(&loopback_session_lock); |
| 422 | return 0; |
| 423 | } |
| 424 | mutex_unlock(&loopback_session_lock); |
| 425 | } |
| 426 | mutex_unlock(&pcm->lock); |
| 427 | return ret; |
| 428 | } |
| 429 | |
| 430 | static int msm_pcm_prepare(struct snd_pcm_substream *substream) |
| 431 | { |
| 432 | int ret = 0; |
| 433 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 434 | struct msm_pcm_loopback *pcm = runtime->private_data; |
| 435 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 436 | struct snd_soc_component *component = |
| 437 | snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 438 | struct msm_pcm_routing_evt event; |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 439 | |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 440 | memset(&event, 0, sizeof(event)); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 441 | if (!component) { |
| 442 | pr_err("%s: component is NULL\n", __func__); |
| 443 | return -EINVAL; |
| 444 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 445 | |
| 446 | mutex_lock(&pcm->lock); |
| 447 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 448 | dev_dbg(component->dev, "%s: ASM loopback stream:%d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 449 | __func__, substream->stream); |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 450 | |
| 451 | if (pcm->playback_start && pcm->capture_start) { |
| 452 | mutex_unlock(&pcm->lock); |
| 453 | return ret; |
| 454 | } |
| 455 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 456 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 457 | if (!pcm->playback_start) |
| 458 | pcm->playback_start = 1; |
| 459 | } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { |
| 460 | if (!pcm->capture_start) |
| 461 | pcm->capture_start = 1; |
| 462 | } |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 463 | |
| 464 | if (pcm->playback_start && pcm->capture_start) { |
| 465 | struct snd_soc_pcm_runtime *soc_pcm_rx = |
| 466 | pcm->playback_substream->private_data; |
| 467 | struct snd_soc_pcm_runtime *soc_pcm_tx = |
| 468 | pcm->capture_substream->private_data; |
| 469 | event.event_func = msm_pcm_route_event_handler; |
| 470 | event.priv_data = (void *) pcm; |
Guodong Hu | 100a250 | 2020-04-14 23:03:31 +0800 | [diff] [blame] | 471 | |
| 472 | if (!pcm->audio_client) { |
| 473 | mutex_unlock(&pcm->lock); |
| 474 | pr_err("%s: audio client freed\n", __func__); |
| 475 | return -EINVAL; |
| 476 | } |
Cong Tang | d083a83 | 2019-08-27 16:21:06 +0530 | [diff] [blame] | 477 | msm_pcm_routing_reg_phy_stream(soc_pcm_tx->dai_link->id, |
| 478 | pcm->audio_client->perf_mode, |
| 479 | pcm->session_id, pcm->capture_substream->stream); |
| 480 | msm_pcm_routing_reg_phy_stream_v2(soc_pcm_rx->dai_link->id, |
| 481 | pcm->audio_client->perf_mode, |
| 482 | pcm->session_id, pcm->playback_substream->stream, |
| 483 | event); |
| 484 | } |
| 485 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 486 | mutex_unlock(&pcm->lock); |
| 487 | |
| 488 | return ret; |
| 489 | } |
| 490 | |
| 491 | static int msm_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
| 492 | { |
| 493 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 494 | struct msm_pcm_loopback *pcm = runtime->private_data; |
| 495 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 496 | struct snd_soc_component *component = |
| 497 | snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
| 498 | |
| 499 | if (!component) { |
| 500 | pr_err("%s: component is NULL\n", __func__); |
| 501 | return -EINVAL; |
| 502 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 503 | |
| 504 | switch (cmd) { |
| 505 | case SNDRV_PCM_TRIGGER_START: |
| 506 | case SNDRV_PCM_TRIGGER_RESUME: |
| 507 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
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: playback_start:%d,capture_start:%d\n", __func__, |
| 510 | pcm->playback_start, pcm->capture_start); |
| 511 | if (pcm->playback_start && pcm->capture_start) |
| 512 | q6asm_run_nowait(pcm->audio_client, 0, 0, 0); |
| 513 | break; |
| 514 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 515 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 516 | case SNDRV_PCM_TRIGGER_STOP: |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 517 | dev_dbg(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 518 | "%s:Pause/Stop - playback_start:%d,capture_start:%d\n", |
| 519 | __func__, pcm->playback_start, pcm->capture_start); |
| 520 | if (pcm->playback_start && pcm->capture_start) |
| 521 | q6asm_cmd_nowait(pcm->audio_client, CMD_PAUSE); |
| 522 | break; |
| 523 | default: |
| 524 | pr_err("%s: default cmd %d\n", __func__, cmd); |
| 525 | break; |
| 526 | } |
| 527 | |
| 528 | return 0; |
| 529 | } |
| 530 | |
| 531 | static const struct snd_pcm_ops msm_pcm_ops = { |
| 532 | .open = msm_pcm_open, |
| 533 | .close = msm_pcm_close, |
| 534 | .prepare = msm_pcm_prepare, |
| 535 | .trigger = msm_pcm_trigger, |
| 536 | }; |
| 537 | |
| 538 | static int msm_pcm_volume_ctl_put(struct snd_kcontrol *kcontrol, |
| 539 | struct snd_ctl_elem_value *ucontrol) |
| 540 | { |
| 541 | int rc = 0; |
| 542 | struct snd_pcm_volume *vol = kcontrol->private_data; |
| 543 | struct snd_pcm_substream *substream = vol->pcm->streams[0].substream; |
| 544 | struct msm_pcm_loopback *prtd; |
| 545 | int volume = ucontrol->value.integer.value[0]; |
| 546 | |
| 547 | pr_debug("%s: volume : 0x%x\n", __func__, volume); |
| 548 | if ((!substream) || (!substream->runtime)) { |
| 549 | pr_err("%s substream or runtime not found\n", __func__); |
| 550 | rc = -ENODEV; |
| 551 | goto exit; |
| 552 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 553 | mutex_lock(&loopback_session_lock); |
Prasad Kumpatla | 348bc67 | 2020-06-25 19:38:34 +0530 | [diff] [blame] | 554 | if (substream->ref_count > 0) { |
| 555 | prtd = substream->runtime->private_data; |
| 556 | if (!prtd) { |
| 557 | rc = -ENODEV; |
| 558 | mutex_unlock(&loopback_session_lock); |
| 559 | goto exit; |
| 560 | } |
| 561 | rc = pcm_loopback_set_volume(prtd, volume); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 562 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 563 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 564 | exit: |
| 565 | return rc; |
| 566 | } |
| 567 | |
| 568 | static int msm_pcm_volume_ctl_get(struct snd_kcontrol *kcontrol, |
| 569 | struct snd_ctl_elem_value *ucontrol) |
| 570 | { |
| 571 | int rc = 0; |
| 572 | struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol); |
Laxminath Kasam | d08ab1f | 2020-01-30 19:07:58 +0530 | [diff] [blame] | 573 | struct snd_pcm_substream *substream = NULL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 574 | struct msm_pcm_loopback *prtd; |
| 575 | |
| 576 | pr_debug("%s\n", __func__); |
Laxminath Kasam | d08ab1f | 2020-01-30 19:07:58 +0530 | [diff] [blame] | 577 | if (!vol) { |
| 578 | pr_err("%s: vol is NULL\n", __func__); |
| 579 | return -ENODEV; |
| 580 | } |
| 581 | substream = vol->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 582 | if ((!substream) || (!substream->runtime)) { |
Vignesh Kulothungan | 2ce6784 | 2018-09-25 16:40:29 -0700 | [diff] [blame] | 583 | pr_debug("%s substream or runtime not found\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 584 | rc = -ENODEV; |
| 585 | goto exit; |
| 586 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 587 | mutex_lock(&loopback_session_lock); |
Prasad Kumpatla | 348bc67 | 2020-06-25 19:38:34 +0530 | [diff] [blame] | 588 | if (substream->ref_count > 0) { |
| 589 | prtd = substream->runtime->private_data; |
| 590 | if (!prtd) { |
| 591 | rc = -ENODEV; |
| 592 | mutex_unlock(&loopback_session_lock); |
| 593 | goto exit; |
| 594 | } |
| 595 | ucontrol->value.integer.value[0] = prtd->volume; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 596 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 597 | mutex_unlock(&loopback_session_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 598 | exit: |
| 599 | return rc; |
| 600 | } |
| 601 | |
| 602 | static int msm_pcm_add_volume_controls(struct snd_soc_pcm_runtime *rtd) |
| 603 | { |
| 604 | struct snd_pcm *pcm = rtd->pcm->streams[0].pcm; |
| 605 | struct snd_pcm_volume *volume_info; |
| 606 | struct snd_kcontrol *kctl; |
| 607 | int ret = 0; |
| 608 | |
| 609 | dev_dbg(rtd->dev, "%s, Volume cntrl add\n", __func__); |
| 610 | ret = snd_pcm_add_volume_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
| 611 | NULL, 1, |
| 612 | rtd->dai_link->id, |
| 613 | &volume_info); |
| 614 | if (ret < 0) |
| 615 | return ret; |
| 616 | kctl = volume_info->kctl; |
| 617 | kctl->put = msm_pcm_volume_ctl_put; |
| 618 | kctl->get = msm_pcm_volume_ctl_get; |
| 619 | kctl->tlv.p = loopback_rx_vol_gain; |
| 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static int msm_pcm_playback_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 624 | struct snd_ctl_elem_value *ucontrol) |
| 625 | { |
| 626 | u64 fe_id = kcontrol->private_value; |
| 627 | int session_type = SESSION_TYPE_RX; |
| 628 | int be_id = ucontrol->value.integer.value[3]; |
| 629 | struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000}; |
| 630 | int ret = 0; |
| 631 | |
| 632 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 633 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 634 | if (ucontrol->value.integer.value[2] != 0) |
| 635 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 636 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 637 | __func__, fe_id, session_type, be_id, |
| 638 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 639 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 640 | be_id, &cfg_data); |
| 641 | if (ret < 0) |
| 642 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 643 | __func__, ret); |
| 644 | |
| 645 | return ret; |
| 646 | } |
| 647 | |
| 648 | static int msm_pcm_playback_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 649 | struct snd_ctl_elem_value *ucontrol) |
| 650 | { |
| 651 | u64 fe_id = kcontrol->private_value; |
| 652 | int session_type = SESSION_TYPE_RX; |
| 653 | int be_id = 0; |
| 654 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 655 | int ret = 0; |
| 656 | |
| 657 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 658 | &be_id, &cfg_data); |
| 659 | if (ret < 0) { |
| 660 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 661 | __func__, ret); |
| 662 | goto done; |
| 663 | } |
| 664 | |
| 665 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 666 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 667 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 668 | ucontrol->value.integer.value[3] = be_id; |
| 669 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 670 | __func__, fe_id, session_type, be_id, |
| 671 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 672 | done: |
| 673 | return ret; |
| 674 | } |
| 675 | |
| 676 | static int msm_pcm_capture_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 677 | struct snd_ctl_elem_value *ucontrol) |
| 678 | { |
| 679 | u64 fe_id = kcontrol->private_value; |
| 680 | int session_type = SESSION_TYPE_TX; |
| 681 | int be_id = ucontrol->value.integer.value[3]; |
| 682 | struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000}; |
| 683 | int ret = 0; |
| 684 | |
| 685 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 686 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 687 | if (ucontrol->value.integer.value[2] != 0) |
| 688 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 689 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 690 | __func__, fe_id, session_type, be_id, |
| 691 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 692 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 693 | be_id, &cfg_data); |
| 694 | if (ret < 0) |
| 695 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 696 | __func__, ret); |
| 697 | |
| 698 | return ret; |
| 699 | } |
| 700 | |
| 701 | static int msm_pcm_capture_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 702 | struct snd_ctl_elem_value *ucontrol) |
| 703 | { |
| 704 | u64 fe_id = kcontrol->private_value; |
| 705 | int session_type = SESSION_TYPE_TX; |
| 706 | int be_id = 0; |
| 707 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 708 | int ret = 0; |
| 709 | |
| 710 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 711 | &be_id, &cfg_data); |
| 712 | if (ret < 0) { |
| 713 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 714 | __func__, ret); |
| 715 | goto done; |
| 716 | } |
| 717 | |
| 718 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 719 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 720 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 721 | ucontrol->value.integer.value[3] = be_id; |
| 722 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 723 | __func__, fe_id, session_type, be_id, |
| 724 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 725 | done: |
| 726 | return ret; |
| 727 | } |
| 728 | |
| 729 | static int msm_pcm_add_app_type_controls(struct snd_soc_pcm_runtime *rtd) |
| 730 | { |
| 731 | struct snd_pcm *pcm = rtd->pcm->streams[0].pcm; |
| 732 | struct snd_pcm_usr *app_type_info; |
| 733 | struct snd_kcontrol *kctl; |
| 734 | const char *playback_mixer_ctl_name = "Audio Stream"; |
| 735 | const char *capture_mixer_ctl_name = "Audio Stream Capture"; |
| 736 | const char *deviceNo = "NN"; |
| 737 | const char *suffix = "App Type Cfg"; |
| 738 | int ctl_len, ret = 0; |
| 739 | |
| 740 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { |
| 741 | ctl_len = strlen(playback_mixer_ctl_name) + 1 + |
| 742 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 743 | pr_debug("%s: Playback app type cntrl add\n", __func__); |
| 744 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
| 745 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 746 | &app_type_info); |
| 747 | if (ret < 0) |
| 748 | return ret; |
| 749 | kctl = app_type_info->kctl; |
| 750 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 751 | playback_mixer_ctl_name, rtd->pcm->device, suffix); |
| 752 | kctl->put = msm_pcm_playback_app_type_cfg_ctl_put; |
| 753 | kctl->get = msm_pcm_playback_app_type_cfg_ctl_get; |
| 754 | } |
| 755 | |
| 756 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { |
| 757 | ctl_len = strlen(capture_mixer_ctl_name) + 1 + |
| 758 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 759 | pr_debug("%s: Capture app type cntrl add\n", __func__); |
| 760 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE, |
| 761 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 762 | &app_type_info); |
| 763 | if (ret < 0) |
| 764 | return ret; |
| 765 | kctl = app_type_info->kctl; |
| 766 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 767 | capture_mixer_ctl_name, rtd->pcm->device, suffix); |
| 768 | kctl->put = msm_pcm_capture_app_type_cfg_ctl_put; |
| 769 | kctl->get = msm_pcm_capture_app_type_cfg_ctl_get; |
| 770 | } |
| 771 | |
| 772 | return 0; |
| 773 | } |
| 774 | |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 775 | static struct msm_pcm_channel_mixer *msm_pcm_get_chmixer( |
| 776 | struct msm_pcm_pdata *pdata, |
| 777 | u64 fe_id, int session_type) |
| 778 | { |
| 779 | if (!pdata) { |
| 780 | pr_err("%s: missing pdata\n", __func__); |
| 781 | return NULL; |
| 782 | } |
| 783 | |
| 784 | if (fe_id >= MSM_FRONTEND_DAI_MM_SIZE) { |
| 785 | pr_err("%s: invalid FE %llu\n", __func__, fe_id); |
| 786 | return NULL; |
| 787 | } |
| 788 | |
| 789 | if ((session_type != SESSION_TYPE_TX) && |
| 790 | (session_type != SESSION_TYPE_RX)) { |
| 791 | pr_err("%s: invalid session type %d\n", __func__, session_type); |
| 792 | return NULL; |
| 793 | } |
| 794 | |
| 795 | return pdata->chmixer_pspd[fe_id][session_type]; |
| 796 | } |
| 797 | |
| 798 | static int msm_pcm_channel_mixer_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 799 | struct snd_ctl_elem_value *ucontrol) |
| 800 | { |
| 801 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 802 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 803 | int ret = 0; |
| 804 | int stream_id = 0; |
| 805 | int be_id = 0, i = 0; |
| 806 | struct msm_pcm_loopback *prtd = NULL; |
| 807 | struct snd_soc_component *component = |
| 808 | snd_soc_kcontrol_component(kcontrol); |
| 809 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 810 | struct snd_pcm *pcm = NULL; |
| 811 | struct snd_pcm_substream *substream = NULL; |
| 812 | struct msm_pcm_channel_mixer *chmixer_pspd = NULL; |
| 813 | u8 asm_ch_map[PCM_FORMAT_MAX_NUM_CHANNEL_V8] = {0}; |
| 814 | bool reset_override_out_ch_map = false; |
| 815 | bool reset_override_in_ch_map = false; |
| 816 | |
| 817 | pcm = pdata->pcm_device[fe_id]; |
| 818 | if (!pcm) { |
| 819 | pr_err("%s invalid pcm handle for fe_id %llu\n", |
| 820 | __func__, fe_id); |
| 821 | return -EINVAL; |
| 822 | } |
| 823 | |
| 824 | if (session_type == SESSION_TYPE_RX) |
| 825 | substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; |
| 826 | else |
| 827 | substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; |
| 828 | if (!substream) { |
| 829 | pr_err("%s substream not found\n", __func__); |
| 830 | return -EINVAL; |
| 831 | } |
| 832 | |
| 833 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 834 | if (!chmixer_pspd) { |
| 835 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 836 | return -EINVAL; |
| 837 | } |
| 838 | |
| 839 | chmixer_pspd->enable = ucontrol->value.integer.value[0]; |
| 840 | chmixer_pspd->rule = ucontrol->value.integer.value[1]; |
| 841 | chmixer_pspd->input_channel = ucontrol->value.integer.value[2]; |
| 842 | chmixer_pspd->output_channel = ucontrol->value.integer.value[3]; |
| 843 | chmixer_pspd->port_idx = ucontrol->value.integer.value[4]; |
| 844 | |
| 845 | if (chmixer_pspd->enable) { |
| 846 | if (session_type == SESSION_TYPE_RX && |
| 847 | !chmixer_pspd->override_in_ch_map) { |
Rohit kumar | 2a64e52 | 2019-02-04 11:22:49 +0530 | [diff] [blame] | 848 | if (chmixer_pspd->input_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) { |
| 849 | pr_err("%s: Invalid channel count %d\n", |
| 850 | __func__, chmixer_pspd->input_channel); |
| 851 | return -EINVAL; |
| 852 | } |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 853 | q6asm_map_channels(asm_ch_map, |
| 854 | chmixer_pspd->input_channel, false); |
| 855 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 856 | chmixer_pspd->in_ch_map[i] = asm_ch_map[i]; |
| 857 | chmixer_pspd->override_in_ch_map = true; |
| 858 | reset_override_in_ch_map = true; |
| 859 | } else if (session_type == SESSION_TYPE_TX && |
| 860 | !chmixer_pspd->override_out_ch_map) { |
Rohit kumar | 2a64e52 | 2019-02-04 11:22:49 +0530 | [diff] [blame] | 861 | if (chmixer_pspd->output_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) { |
| 862 | pr_err("%s: Invalid channel count %d\n", |
| 863 | __func__, chmixer_pspd->output_channel); |
| 864 | return -EINVAL; |
| 865 | } |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 866 | q6asm_map_channels(asm_ch_map, |
| 867 | chmixer_pspd->output_channel, false); |
| 868 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 869 | chmixer_pspd->out_ch_map[i] = asm_ch_map[i]; |
| 870 | chmixer_pspd->override_out_ch_map = true; |
| 871 | reset_override_out_ch_map = true; |
| 872 | } |
| 873 | } else { |
| 874 | chmixer_pspd->override_out_ch_map = false; |
| 875 | chmixer_pspd->override_in_ch_map = false; |
| 876 | } |
| 877 | |
| 878 | /* cache value and take effect during adm_open stage */ |
| 879 | msm_pcm_routing_set_channel_mixer_cfg(fe_id, |
| 880 | session_type, |
| 881 | chmixer_pspd); |
| 882 | |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 883 | mutex_lock(&loopback_session_lock); |
Prasad Kumpatla | 348bc67 | 2020-06-25 19:38:34 +0530 | [diff] [blame] | 884 | if (substream->ref_count <= 0) { |
| 885 | pr_err_ratelimited("%s: substream ref_count:%d invalid\n", |
| 886 | __func__, substream->ref_count); |
| 887 | mutex_unlock(&loopback_session_lock); |
| 888 | return -EINVAL; |
| 889 | } |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 890 | if (chmixer_pspd->enable && substream->runtime) { |
| 891 | prtd = substream->runtime->private_data; |
| 892 | if (!prtd) { |
| 893 | pr_err("%s find invalid prtd fail\n", __func__); |
| 894 | ret = -EINVAL; |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 895 | mutex_unlock(&loopback_session_lock); |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 896 | goto done; |
| 897 | } |
| 898 | |
| 899 | if (prtd->audio_client) { |
| 900 | stream_id = prtd->audio_client->session; |
| 901 | be_id = chmixer_pspd->port_idx; |
| 902 | msm_pcm_routing_set_channel_mixer_runtime(be_id, |
| 903 | stream_id, |
| 904 | session_type, |
| 905 | chmixer_pspd); |
| 906 | } |
| 907 | } |
Prasad Kumpatla | 2ef0c88 | 2019-10-04 15:11:10 +0530 | [diff] [blame] | 908 | mutex_unlock(&loopback_session_lock); |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 909 | if (reset_override_out_ch_map) |
| 910 | chmixer_pspd->override_out_ch_map = false; |
| 911 | if (reset_override_in_ch_map) |
| 912 | chmixer_pspd->override_in_ch_map = false; |
| 913 | |
| 914 | done: |
| 915 | return ret; |
| 916 | } |
| 917 | |
| 918 | static int msm_pcm_channel_mixer_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 919 | struct snd_ctl_elem_value *ucontrol) |
| 920 | { |
| 921 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 922 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 923 | struct snd_soc_component *component = |
| 924 | snd_soc_kcontrol_component(kcontrol); |
| 925 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 926 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 927 | |
| 928 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 929 | if (!chmixer_pspd) { |
| 930 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 931 | return -EINVAL; |
| 932 | } |
| 933 | |
| 934 | ucontrol->value.integer.value[0] = chmixer_pspd->enable; |
| 935 | ucontrol->value.integer.value[1] = chmixer_pspd->rule; |
| 936 | ucontrol->value.integer.value[2] = chmixer_pspd->input_channel; |
| 937 | ucontrol->value.integer.value[3] = chmixer_pspd->output_channel; |
| 938 | ucontrol->value.integer.value[4] = chmixer_pspd->port_idx; |
| 939 | return 0; |
| 940 | } |
| 941 | |
| 942 | static int msm_pcm_channel_mixer_output_map_ctl_put( |
| 943 | struct snd_kcontrol *kcontrol, |
| 944 | struct snd_ctl_elem_value *ucontrol) |
| 945 | { |
| 946 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 947 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 948 | int i = 0; |
| 949 | struct snd_soc_component *component = |
| 950 | snd_soc_kcontrol_component(kcontrol); |
| 951 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 952 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 953 | |
| 954 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 955 | if (!chmixer_pspd) { |
| 956 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 957 | return -EINVAL; |
| 958 | } |
| 959 | |
| 960 | chmixer_pspd->override_out_ch_map = true; |
| 961 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 962 | chmixer_pspd->out_ch_map[i] = |
| 963 | ucontrol->value.integer.value[i]; |
| 964 | |
| 965 | return 0; |
| 966 | } |
| 967 | |
| 968 | static int msm_pcm_channel_mixer_output_map_ctl_get( |
| 969 | struct snd_kcontrol *kcontrol, |
| 970 | struct snd_ctl_elem_value *ucontrol) |
| 971 | { |
| 972 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 973 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 974 | int i = 0; |
| 975 | struct snd_soc_component *component = |
| 976 | snd_soc_kcontrol_component(kcontrol); |
| 977 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 978 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 979 | |
| 980 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 981 | if (!chmixer_pspd) { |
| 982 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 983 | return -EINVAL; |
| 984 | } |
| 985 | |
| 986 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 987 | ucontrol->value.integer.value[i] = |
| 988 | chmixer_pspd->out_ch_map[i]; |
| 989 | return 0; |
| 990 | } |
| 991 | |
| 992 | static int msm_pcm_channel_mixer_input_map_ctl_put( |
| 993 | struct snd_kcontrol *kcontrol, |
| 994 | struct snd_ctl_elem_value *ucontrol) |
| 995 | { |
| 996 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 997 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 998 | int i = 0; |
| 999 | struct snd_soc_component *component = |
| 1000 | snd_soc_kcontrol_component(kcontrol); |
| 1001 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 1002 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 1003 | |
| 1004 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 1005 | if (!chmixer_pspd) { |
| 1006 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 1007 | return -EINVAL; |
| 1008 | } |
| 1009 | |
| 1010 | chmixer_pspd->override_in_ch_map = true; |
| 1011 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 1012 | chmixer_pspd->in_ch_map[i] = ucontrol->value.integer.value[i]; |
| 1013 | |
| 1014 | return 0; |
| 1015 | } |
| 1016 | |
| 1017 | static int msm_pcm_channel_mixer_input_map_ctl_get( |
| 1018 | struct snd_kcontrol *kcontrol, |
| 1019 | struct snd_ctl_elem_value *ucontrol) |
| 1020 | { |
| 1021 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 1022 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 1023 | int i = 0; |
| 1024 | struct snd_soc_component *component = |
| 1025 | snd_soc_kcontrol_component(kcontrol); |
| 1026 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 1027 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 1028 | |
| 1029 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 1030 | if (!chmixer_pspd) { |
| 1031 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 1032 | return -EINVAL; |
| 1033 | } |
| 1034 | |
| 1035 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 1036 | ucontrol->value.integer.value[i] = |
| 1037 | chmixer_pspd->in_ch_map[i]; |
| 1038 | return 0; |
| 1039 | } |
| 1040 | |
| 1041 | static int msm_pcm_channel_mixer_weight_ctl_put( |
| 1042 | struct snd_kcontrol *kcontrol, |
| 1043 | struct snd_ctl_elem_value *ucontrol) |
| 1044 | { |
| 1045 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 1046 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 1047 | int channel = (kcontrol->private_value >> 16) & 0xFF; |
| 1048 | int i = 0; |
| 1049 | struct snd_soc_component *component = |
| 1050 | snd_soc_kcontrol_component(kcontrol); |
| 1051 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 1052 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 1053 | |
| 1054 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 1055 | if (!chmixer_pspd) { |
| 1056 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 1057 | return -EINVAL; |
| 1058 | } |
| 1059 | |
| 1060 | if (channel <= 0 || channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) { |
| 1061 | pr_err("%s: invalid channel number %d\n", __func__, channel); |
| 1062 | return -EINVAL; |
| 1063 | } |
| 1064 | channel--; |
| 1065 | |
| 1066 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 1067 | chmixer_pspd->channel_weight[channel][i] = |
| 1068 | ucontrol->value.integer.value[i]; |
| 1069 | return 0; |
| 1070 | } |
| 1071 | |
| 1072 | static int msm_pcm_channel_mixer_weight_ctl_get( |
| 1073 | struct snd_kcontrol *kcontrol, |
| 1074 | struct snd_ctl_elem_value *ucontrol) |
| 1075 | { |
| 1076 | u64 fe_id = kcontrol->private_value & 0xFF; |
| 1077 | int session_type = (kcontrol->private_value >> 8) & 0xFF; |
| 1078 | int channel = (kcontrol->private_value >> 16) & 0xFF; |
| 1079 | struct snd_soc_component *component = |
| 1080 | snd_soc_kcontrol_component(kcontrol); |
| 1081 | struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev); |
| 1082 | int i = 0; |
| 1083 | struct msm_pcm_channel_mixer *chmixer_pspd; |
| 1084 | |
| 1085 | if (channel <= 0 || channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) { |
| 1086 | pr_err("%s: invalid channel number %d\n", __func__, channel); |
| 1087 | return -EINVAL; |
| 1088 | } |
| 1089 | channel--; |
| 1090 | |
| 1091 | chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type); |
| 1092 | if (!chmixer_pspd) { |
| 1093 | pr_err("%s: invalid chmixer_pspd in pdata", __func__); |
| 1094 | return -EINVAL; |
| 1095 | } |
| 1096 | |
| 1097 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) |
| 1098 | ucontrol->value.integer.value[i] = |
| 1099 | chmixer_pspd->channel_weight[channel][i]; |
| 1100 | return 0; |
| 1101 | } |
| 1102 | |
| 1103 | static int msm_pcm_add_platform_controls(struct snd_kcontrol_new *kctl, |
| 1104 | struct snd_soc_pcm_runtime *rtd, const char *name_prefix, |
| 1105 | const char *name_suffix, int session_type, int channels) |
| 1106 | { |
| 1107 | int ret = -EINVAL; |
| 1108 | char *mixer_name = NULL; |
| 1109 | struct snd_pcm *pcm = rtd->pcm; |
| 1110 | const char *deviceNo = "NN"; |
| 1111 | const char *channelNo = "NN"; |
| 1112 | int ctl_len = 0; |
| 1113 | struct snd_soc_component *component = NULL; |
| 1114 | |
| 1115 | component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
| 1116 | if (!component) { |
| 1117 | pr_err("%s: component is NULL\n", __func__); |
| 1118 | return -EINVAL; |
| 1119 | } |
| 1120 | |
| 1121 | ctl_len = strlen(name_prefix) + 1 + strlen(deviceNo) + 1 + |
| 1122 | strlen(channelNo) + 1 + strlen(name_suffix) + 1; |
| 1123 | |
| 1124 | mixer_name = kzalloc(ctl_len, GFP_KERNEL); |
| 1125 | if (mixer_name == NULL) |
| 1126 | return -ENOMEM; |
| 1127 | |
| 1128 | if (channels >= 0) { |
| 1129 | snprintf(mixer_name, ctl_len, "%s %d %s %d", |
| 1130 | name_prefix, pcm->device, name_suffix, channels); |
| 1131 | kctl->private_value = (rtd->dai_link->id) | (session_type << 8) | |
| 1132 | (channels << 16); |
| 1133 | } else { |
| 1134 | snprintf(mixer_name, ctl_len, "%s %d %s", |
| 1135 | name_prefix, pcm->device, name_suffix); |
| 1136 | kctl->private_value = (rtd->dai_link->id) | (session_type << 8); |
| 1137 | } |
| 1138 | |
| 1139 | kctl->name = mixer_name; |
| 1140 | ret = snd_soc_add_component_controls(component, kctl, 1); |
| 1141 | kfree(mixer_name); |
| 1142 | return ret; |
| 1143 | } |
| 1144 | |
| 1145 | static int msm_pcm_channel_mixer_output_map_info(struct snd_kcontrol *kcontrol, |
| 1146 | struct snd_ctl_elem_info *uinfo) |
| 1147 | { |
| 1148 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1149 | uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8; |
| 1150 | /* Valid channel map value ranges from 1 to 64 */ |
| 1151 | uinfo->value.integer.min = 1; |
| 1152 | uinfo->value.integer.max = 64; |
| 1153 | return 0; |
| 1154 | } |
| 1155 | |
| 1156 | static int msm_pcm_add_channel_mixer_output_map_controls( |
| 1157 | struct snd_soc_pcm_runtime *rtd) |
| 1158 | { |
| 1159 | struct snd_pcm *pcm = rtd->pcm; |
| 1160 | const char *playback_mixer_ctl_name = "AudStr"; |
| 1161 | const char *capture_mixer_ctl_name = "AudStr Capture"; |
| 1162 | const char *suffix = "ChMixer Output Map"; |
| 1163 | int session_type = 0, ret = 0, channel = -1; |
| 1164 | struct snd_kcontrol_new channel_mixer_output_map_control = { |
| 1165 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1166 | .name = "?", |
| 1167 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1168 | .info = msm_pcm_channel_mixer_output_map_info, |
| 1169 | .put = msm_pcm_channel_mixer_output_map_ctl_put, |
| 1170 | .get = msm_pcm_channel_mixer_output_map_ctl_get, |
| 1171 | .private_value = 0, |
| 1172 | }; |
| 1173 | |
| 1174 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) { |
| 1175 | session_type = SESSION_TYPE_RX; |
| 1176 | ret = msm_pcm_add_platform_controls(&channel_mixer_output_map_control, |
| 1177 | rtd, playback_mixer_ctl_name, suffix, session_type, channel); |
| 1178 | if (ret < 0) |
| 1179 | goto fail; |
| 1180 | } |
| 1181 | |
| 1182 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) { |
| 1183 | session_type = SESSION_TYPE_TX; |
| 1184 | ret = msm_pcm_add_platform_controls(&channel_mixer_output_map_control, |
| 1185 | rtd, capture_mixer_ctl_name, suffix, session_type, channel); |
| 1186 | if (ret < 0) |
| 1187 | goto fail; |
| 1188 | } |
| 1189 | return 0; |
| 1190 | |
| 1191 | fail: |
| 1192 | pr_err("%s: failed add platform ctl, err = %d\n", |
| 1193 | __func__, ret); |
| 1194 | |
| 1195 | return ret; |
| 1196 | } |
| 1197 | |
| 1198 | static int msm_pcm_channel_mixer_input_map_info(struct snd_kcontrol *kcontrol, |
| 1199 | struct snd_ctl_elem_info *uinfo) |
| 1200 | { |
| 1201 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1202 | uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8; |
| 1203 | /* Valid channel map value ranges from 1 to 64 */ |
| 1204 | uinfo->value.integer.min = 1; |
| 1205 | uinfo->value.integer.max = 64; |
| 1206 | return 0; |
| 1207 | } |
| 1208 | |
| 1209 | static int msm_pcm_add_channel_mixer_input_map_controls( |
| 1210 | struct snd_soc_pcm_runtime *rtd) |
| 1211 | { |
| 1212 | struct snd_pcm *pcm = rtd->pcm; |
| 1213 | const char *playback_mixer_ctl_name = "AudStr"; |
| 1214 | const char *capture_mixer_ctl_name = "AudStr Capture"; |
| 1215 | const char *suffix = "ChMixer Input Map"; |
| 1216 | int session_type = 0, ret = 0, channel = -1; |
| 1217 | struct snd_kcontrol_new channel_mixer_input_map_control = { |
| 1218 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1219 | .name = "?", |
| 1220 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1221 | .info = msm_pcm_channel_mixer_input_map_info, |
| 1222 | .put = msm_pcm_channel_mixer_input_map_ctl_put, |
| 1223 | .get = msm_pcm_channel_mixer_input_map_ctl_get, |
| 1224 | .private_value = 0, |
| 1225 | }; |
| 1226 | |
| 1227 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) { |
| 1228 | session_type = SESSION_TYPE_RX; |
| 1229 | ret = msm_pcm_add_platform_controls(&channel_mixer_input_map_control, |
| 1230 | rtd, playback_mixer_ctl_name, suffix, session_type, channel); |
| 1231 | if (ret < 0) |
| 1232 | goto fail; |
| 1233 | } |
| 1234 | |
| 1235 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) { |
| 1236 | session_type = SESSION_TYPE_TX; |
| 1237 | ret = msm_pcm_add_platform_controls(&channel_mixer_input_map_control, |
| 1238 | rtd, capture_mixer_ctl_name, suffix, session_type, channel); |
| 1239 | if (ret < 0) |
| 1240 | goto fail; |
| 1241 | } |
| 1242 | return 0; |
| 1243 | |
| 1244 | fail: |
| 1245 | pr_err("%s: failed add platform ctl, err = %d\n", |
| 1246 | __func__, ret); |
| 1247 | return ret; |
| 1248 | } |
| 1249 | |
| 1250 | static int msm_pcm_channel_mixer_cfg_info(struct snd_kcontrol *kcontrol, |
| 1251 | struct snd_ctl_elem_info *uinfo) |
| 1252 | { |
| 1253 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1254 | /* five int values: enable, rule, in_channels, out_channels and port_id */ |
| 1255 | uinfo->count = 5; |
| 1256 | /* Valid range is all positive values to support above controls */ |
| 1257 | uinfo->value.integer.min = 0; |
| 1258 | uinfo->value.integer.max = INT_MAX; |
| 1259 | return 0; |
| 1260 | } |
| 1261 | |
| 1262 | static int msm_pcm_add_channel_mixer_cfg_controls( |
| 1263 | struct snd_soc_pcm_runtime *rtd) |
| 1264 | { |
| 1265 | struct snd_pcm *pcm = rtd->pcm; |
| 1266 | const char *playback_mixer_ctl_name = "AudStr"; |
| 1267 | const char *capture_mixer_ctl_name = "AudStr Capture"; |
| 1268 | const char *suffix = "ChMixer Cfg"; |
| 1269 | int session_type = 0, ret = 0, channel = -1; |
| 1270 | struct msm_pcm_pdata *pdata = NULL; |
| 1271 | struct snd_soc_component *component = NULL; |
| 1272 | struct snd_kcontrol_new channel_mixer_cfg_control = { |
| 1273 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1274 | .name = "?", |
| 1275 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1276 | .info = msm_pcm_channel_mixer_cfg_info, |
| 1277 | .put = msm_pcm_channel_mixer_cfg_ctl_put, |
| 1278 | .get = msm_pcm_channel_mixer_cfg_ctl_get, |
| 1279 | .private_value = 0, |
| 1280 | }; |
| 1281 | |
| 1282 | component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
| 1283 | if (!component) { |
| 1284 | pr_err("%s: component is NULL\n", __func__); |
| 1285 | return -EINVAL; |
| 1286 | } |
| 1287 | pdata = (struct msm_pcm_pdata *) |
| 1288 | dev_get_drvdata(component->dev); |
| 1289 | if (pdata == NULL) { |
| 1290 | pr_err("%s: platform data not populated\n", __func__); |
| 1291 | return -EINVAL; |
| 1292 | } |
| 1293 | |
| 1294 | pdata->pcm_device[rtd->dai_link->id] = rtd->pcm; |
| 1295 | |
| 1296 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) { |
| 1297 | session_type = SESSION_TYPE_RX; |
| 1298 | ret = msm_pcm_add_platform_controls(&channel_mixer_cfg_control, |
| 1299 | rtd, playback_mixer_ctl_name, suffix, session_type, channel); |
| 1300 | if (ret < 0) |
| 1301 | goto fail; |
| 1302 | } |
| 1303 | |
| 1304 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) { |
| 1305 | session_type = SESSION_TYPE_TX; |
| 1306 | ret = msm_pcm_add_platform_controls(&channel_mixer_cfg_control, |
| 1307 | rtd, capture_mixer_ctl_name, suffix, session_type, channel); |
| 1308 | if (ret < 0) |
| 1309 | goto fail; |
| 1310 | } |
| 1311 | return 0; |
| 1312 | |
| 1313 | fail: |
| 1314 | pr_err("%s: failed add platform ctl, err = %d\n", |
| 1315 | __func__, ret); |
| 1316 | |
| 1317 | return ret; |
| 1318 | } |
| 1319 | |
| 1320 | static int msm_pcm_channel_mixer_weight_info(struct snd_kcontrol *kcontrol, |
| 1321 | struct snd_ctl_elem_info *uinfo) |
| 1322 | { |
| 1323 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1324 | uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8; |
| 1325 | /* Valid range: 0 to 0x4000(Unity) gain weightage */ |
| 1326 | uinfo->value.integer.min = 0; |
| 1327 | uinfo->value.integer.max = 0x4000; |
| 1328 | return 0; |
| 1329 | } |
| 1330 | |
| 1331 | static int msm_pcm_add_channel_mixer_weight_controls( |
| 1332 | struct snd_soc_pcm_runtime *rtd, |
| 1333 | int channel) |
| 1334 | { |
| 1335 | struct snd_pcm *pcm = rtd->pcm; |
| 1336 | const char *playback_mixer_ctl_name = "AudStr"; |
| 1337 | const char *capture_mixer_ctl_name = "AudStr Capture"; |
| 1338 | const char *suffix = "ChMixer Weight Ch"; |
| 1339 | int session_type = 0, ret = 0; |
| 1340 | struct snd_kcontrol_new channel_mixer_weight_control = { |
| 1341 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1342 | .name = "?", |
| 1343 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1344 | .info = msm_pcm_channel_mixer_weight_info, |
| 1345 | .put = msm_pcm_channel_mixer_weight_ctl_put, |
| 1346 | .get = msm_pcm_channel_mixer_weight_ctl_get, |
| 1347 | .private_value = 0, |
| 1348 | }; |
| 1349 | |
| 1350 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) { |
| 1351 | session_type = SESSION_TYPE_RX; |
| 1352 | ret = msm_pcm_add_platform_controls(&channel_mixer_weight_control, |
| 1353 | rtd, playback_mixer_ctl_name, suffix, session_type, channel); |
| 1354 | if (ret < 0) |
| 1355 | goto fail; |
| 1356 | } |
| 1357 | |
| 1358 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) { |
| 1359 | session_type = SESSION_TYPE_TX; |
| 1360 | ret = msm_pcm_add_platform_controls(&channel_mixer_weight_control, |
| 1361 | rtd, capture_mixer_ctl_name, suffix, session_type, channel); |
| 1362 | if (ret < 0) |
| 1363 | goto fail; |
| 1364 | } |
| 1365 | return 0; |
| 1366 | |
| 1367 | fail: |
| 1368 | pr_err("%s: failed add platform ctl, err = %d\n", |
| 1369 | __func__, ret); |
| 1370 | |
| 1371 | return ret; |
| 1372 | } |
| 1373 | |
| 1374 | static int msm_pcm_add_channel_mixer_controls(struct snd_soc_pcm_runtime *rtd) |
| 1375 | { |
| 1376 | int i, ret = 0; |
| 1377 | struct snd_pcm *pcm = NULL; |
| 1378 | struct msm_pcm_pdata *pdata = NULL; |
| 1379 | struct snd_soc_component *component = NULL; |
| 1380 | |
| 1381 | if (!rtd || !rtd->pcm) { |
| 1382 | pr_err("%s invalid rtd or pcm\n", __func__); |
| 1383 | return -EINVAL; |
| 1384 | } |
| 1385 | pcm = rtd->pcm; |
| 1386 | |
| 1387 | component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); |
| 1388 | if (!component) { |
| 1389 | pr_err("%s: component is NULL\n", __func__); |
| 1390 | return -EINVAL; |
| 1391 | } |
| 1392 | |
| 1393 | pdata = (struct msm_pcm_pdata *) |
| 1394 | dev_get_drvdata(component->dev); |
| 1395 | if (!pdata) { |
| 1396 | pr_err("%s: platform data not populated\n", __func__); |
| 1397 | return -EINVAL; |
| 1398 | } |
| 1399 | |
| 1400 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream && |
| 1401 | !pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]) { |
| 1402 | pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX] = |
| 1403 | kzalloc(sizeof(struct msm_pcm_channel_mixer), GFP_KERNEL); |
| 1404 | if (!pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]) { |
| 1405 | ret = -ENOMEM; |
| 1406 | goto fail; |
| 1407 | } |
| 1408 | } |
| 1409 | |
| 1410 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream && |
| 1411 | !pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]) { |
| 1412 | pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX] = |
| 1413 | kzalloc(sizeof(struct msm_pcm_channel_mixer), GFP_KERNEL); |
| 1414 | if (!pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]) { |
| 1415 | ret = -ENOMEM; |
| 1416 | goto fail; |
| 1417 | } |
| 1418 | } |
| 1419 | |
| 1420 | ret = msm_pcm_add_channel_mixer_cfg_controls(rtd); |
| 1421 | if (ret) { |
| 1422 | pr_err("%s: pcm add channel mixer cfg controls failed:%d\n", |
| 1423 | __func__, ret); |
| 1424 | goto fail; |
| 1425 | } |
| 1426 | ret = msm_pcm_add_channel_mixer_input_map_controls(rtd); |
| 1427 | if (ret) { |
| 1428 | pr_err("%s: pcm add channel mixer input map controls failed:%d\n", |
| 1429 | __func__, ret); |
| 1430 | goto fail; |
| 1431 | } |
| 1432 | ret = msm_pcm_add_channel_mixer_output_map_controls(rtd); |
| 1433 | if (ret) { |
| 1434 | pr_err("%s: pcm add channel mixer output map controls failed:%d\n", |
| 1435 | __func__, ret); |
| 1436 | goto fail; |
| 1437 | } |
| 1438 | |
| 1439 | for (i = 1; i <= PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) { |
| 1440 | ret = msm_pcm_add_channel_mixer_weight_controls(rtd, i); |
| 1441 | if (ret) { |
| 1442 | pr_err("%s: pcm add channel mixer weight controls failed:%d\n", |
| 1443 | __func__, ret); |
| 1444 | goto fail; |
| 1445 | } |
| 1446 | } |
| 1447 | return 0; |
| 1448 | |
| 1449 | fail: |
| 1450 | kfree(pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]); |
| 1451 | kfree(pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]); |
| 1452 | pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX] = NULL; |
| 1453 | pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX] = NULL; |
| 1454 | |
| 1455 | return ret; |
| 1456 | } |
| 1457 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1458 | static int msm_pcm_add_controls(struct snd_soc_pcm_runtime *rtd) |
| 1459 | { |
| 1460 | int ret = 0; |
| 1461 | |
| 1462 | pr_debug("%s\n", __func__); |
| 1463 | ret = msm_pcm_add_volume_controls(rtd); |
| 1464 | if (ret) |
| 1465 | pr_err("%s: pcm add volume controls failed:%d\n", |
| 1466 | __func__, ret); |
| 1467 | ret = msm_pcm_add_app_type_controls(rtd); |
| 1468 | if (ret) |
| 1469 | pr_err("%s: pcm add app type controls failed:%d\n", |
| 1470 | __func__, ret); |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 1471 | |
| 1472 | ret = msm_pcm_add_channel_mixer_controls(rtd); |
| 1473 | if (ret) |
| 1474 | pr_err("%s: pcm add channel mixer controls failed:%d\n", |
| 1475 | __func__, ret); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1476 | return ret; |
| 1477 | } |
| 1478 | |
| 1479 | static int msm_asoc_pcm_new(struct snd_soc_pcm_runtime *rtd) |
| 1480 | { |
| 1481 | struct snd_card *card = rtd->card->snd_card; |
| 1482 | int ret = 0; |
| 1483 | |
| 1484 | if (!card->dev->coherent_dma_mask) |
| 1485 | card->dev->coherent_dma_mask = DMA_BIT_MASK(32); |
| 1486 | |
| 1487 | ret = msm_pcm_add_controls(rtd); |
| 1488 | if (ret) |
| 1489 | dev_err(rtd->dev, "%s, kctl add failed\n", __func__); |
| 1490 | return ret; |
| 1491 | } |
| 1492 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 1493 | static struct snd_soc_component_driver msm_soc_component = { |
| 1494 | .name = DRV_NAME, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1495 | .ops = &msm_pcm_ops, |
| 1496 | .pcm_new = msm_asoc_pcm_new, |
| 1497 | .probe = msm_pcm_loopback_probe, |
| 1498 | }; |
| 1499 | |
| 1500 | static int msm_pcm_probe(struct platform_device *pdev) |
| 1501 | { |
| 1502 | struct msm_pcm_pdata *pdata; |
| 1503 | |
| 1504 | dev_dbg(&pdev->dev, "%s: dev name %s\n", |
| 1505 | __func__, dev_name(&pdev->dev)); |
| 1506 | |
| 1507 | pdata = kzalloc(sizeof(struct msm_pcm_pdata), GFP_KERNEL); |
| 1508 | if (!pdata) |
| 1509 | return -ENOMEM; |
| 1510 | |
| 1511 | if (of_property_read_bool(pdev->dev.of_node, |
| 1512 | "qcom,msm-pcm-loopback-low-latency")) |
| 1513 | pdata->perf_mode = LOW_LATENCY_PCM_MODE; |
| 1514 | else |
| 1515 | pdata->perf_mode = LEGACY_PCM_MODE; |
| 1516 | |
| 1517 | dev_set_drvdata(&pdev->dev, pdata); |
| 1518 | |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 1519 | return snd_soc_register_component(&pdev->dev, |
| 1520 | &msm_soc_component, |
| 1521 | NULL, 0); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1522 | } |
| 1523 | |
| 1524 | static int msm_pcm_remove(struct platform_device *pdev) |
| 1525 | { |
Dhananjay Kumar | 807f7e9 | 2018-12-11 18:10:08 +0530 | [diff] [blame] | 1526 | struct msm_pcm_pdata *pdata; |
| 1527 | int i = 0; |
| 1528 | |
| 1529 | pdata = dev_get_drvdata(&pdev->dev); |
| 1530 | if (pdata) { |
| 1531 | for (i = 0; i < MSM_FRONTEND_DAI_MM_SIZE; i++) { |
| 1532 | kfree(pdata->chmixer_pspd[i][SESSION_TYPE_RX]); |
| 1533 | kfree(pdata->chmixer_pspd[i][SESSION_TYPE_TX]); |
| 1534 | } |
| 1535 | } |
| 1536 | kfree(pdata); |
Meng Wang | ee084a0 | 2018-09-04 16:11:58 +0800 | [diff] [blame] | 1537 | snd_soc_unregister_component(&pdev->dev); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1538 | return 0; |
| 1539 | } |
| 1540 | |
| 1541 | static const struct of_device_id msm_pcm_loopback_dt_match[] = { |
| 1542 | {.compatible = "qcom,msm-pcm-loopback"}, |
| 1543 | {} |
| 1544 | }; |
| 1545 | |
| 1546 | static struct platform_driver msm_pcm_driver = { |
| 1547 | .driver = { |
| 1548 | .name = "msm-pcm-loopback", |
| 1549 | .owner = THIS_MODULE, |
| 1550 | .of_match_table = msm_pcm_loopback_dt_match, |
Xiaojun Sang | 53cd13a | 2018-06-29 15:14:37 +0800 | [diff] [blame] | 1551 | .suppress_bind_attrs = true, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1552 | }, |
| 1553 | .probe = msm_pcm_probe, |
| 1554 | .remove = msm_pcm_remove, |
| 1555 | }; |
| 1556 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 1557 | int __init msm_pcm_loopback_init(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1558 | { |
| 1559 | return platform_driver_register(&msm_pcm_driver); |
| 1560 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1561 | |
Asish Bhattacharya | 5faacb3 | 2017-12-04 17:23:15 +0530 | [diff] [blame] | 1562 | void msm_pcm_loopback_exit(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1563 | { |
| 1564 | platform_driver_unregister(&msm_pcm_driver); |
| 1565 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1566 | |
| 1567 | MODULE_DESCRIPTION("PCM loopback platform driver"); |
| 1568 | MODULE_LICENSE("GPL v2"); |