ef02f940ae
Add check for substream ref count before access the substream. Change-Id: Iccb6226519e8fddf624f82160a0d8d22641944db Signed-off-by: Prasad Kumpatla <nkumpat@codeaurora.org>
1580 lines
45 KiB
C
1580 lines
45 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (c) 2013-2020, The Linux Foundation. All rights reserved.
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*/
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/dma-mapping.h>
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#include <sound/core.h>
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#include <sound/soc.h>
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#include <sound/pcm.h>
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#include <sound/initval.h>
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#include <sound/control.h>
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#include <sound/tlv.h>
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#include <asm/dma.h>
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#include <dsp/apr_audio-v2.h>
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#include <dsp/q6audio-v2.h>
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#include <dsp/q6asm-v2.h>
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#include "msm-pcm-routing-v2.h"
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#define DRV_NAME "msm-pcm-loopback-v2"
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#define LOOPBACK_VOL_MAX_STEPS 0x2000
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#define LOOPBACK_SESSION_MAX 4
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static DEFINE_MUTEX(loopback_session_lock);
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static const DECLARE_TLV_DB_LINEAR(loopback_rx_vol_gain, 0,
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LOOPBACK_VOL_MAX_STEPS);
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struct msm_pcm_loopback {
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struct snd_pcm_substream *playback_substream;
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struct snd_pcm_substream *capture_substream;
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int instance;
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struct mutex lock;
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uint32_t samp_rate;
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uint32_t channel_mode;
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int playback_start;
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int capture_start;
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int session_id;
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struct audio_client *audio_client;
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uint32_t volume;
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};
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struct fe_dai_session_map {
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char stream_name[32];
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struct msm_pcm_loopback *loopback_priv;
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};
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static struct fe_dai_session_map session_map[LOOPBACK_SESSION_MAX] = {
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{ {}, NULL},
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{ {}, NULL},
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{ {}, NULL},
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{ {}, NULL},
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};
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static u32 hfp_tx_mute;
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struct msm_pcm_pdata {
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int perf_mode;
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struct snd_pcm *pcm_device[MSM_FRONTEND_DAI_MM_SIZE];
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struct msm_pcm_channel_mixer *chmixer_pspd[MSM_FRONTEND_DAI_MM_SIZE][2];
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};
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static void stop_pcm(struct msm_pcm_loopback *pcm);
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static int msm_pcm_loopback_get_session(struct snd_soc_pcm_runtime *rtd,
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struct msm_pcm_loopback **pcm);
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static void msm_pcm_route_event_handler(enum msm_pcm_routing_event event,
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void *priv_data)
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{
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struct msm_pcm_loopback *pcm = priv_data;
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WARN_ON(!pcm);
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pr_debug("%s: event 0x%x\n", __func__, event);
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switch (event) {
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case MSM_PCM_RT_EVT_DEVSWITCH:
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q6asm_cmd(pcm->audio_client, CMD_PAUSE);
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q6asm_cmd(pcm->audio_client, CMD_FLUSH);
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q6asm_run(pcm->audio_client, 0, 0, 0);
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/* fallthrough */
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default:
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pr_err("%s: default event 0x%x\n", __func__, event);
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break;
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}
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}
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static void msm_pcm_loopback_event_handler(uint32_t opcode, uint32_t token,
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uint32_t *payload, void *priv)
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{
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pr_debug("%s:\n", __func__);
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switch (opcode) {
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case APR_BASIC_RSP_RESULT: {
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switch (payload[0]) {
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break;
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default:
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break;
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}
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}
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break;
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default:
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pr_err("%s: Not Supported Event opcode[0x%x]\n",
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__func__, opcode);
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break;
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}
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}
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static int msm_loopback_session_mute_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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ucontrol->value.integer.value[0] = hfp_tx_mute;
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return 0;
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}
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static int msm_loopback_session_mute_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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int ret = 0, n = 0;
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int mute = ucontrol->value.integer.value[0];
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struct msm_pcm_loopback *pcm = NULL;
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if ((mute < 0) || (mute > 1)) {
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pr_err(" %s Invalid arguments", __func__);
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ret = -EINVAL;
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goto done;
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}
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mutex_lock(&loopback_session_lock);
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pr_debug("%s: mute=%d\n", __func__, mute);
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hfp_tx_mute = mute;
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for (n = 0; n < LOOPBACK_SESSION_MAX; n++) {
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if (!strcmp(session_map[n].stream_name, "MultiMedia6"))
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pcm = session_map[n].loopback_priv;
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}
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if (pcm && pcm->audio_client) {
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ret = q6asm_set_mute(pcm->audio_client, mute);
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if (ret < 0)
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pr_err("%s: Send mute command failed rc=%d\n",
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__func__, ret);
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}
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mutex_unlock(&loopback_session_lock);
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done:
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return ret;
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}
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static struct snd_kcontrol_new msm_loopback_controls[] = {
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SOC_SINGLE_EXT("HFP TX Mute", SND_SOC_NOPM, 0, 1, 0,
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msm_loopback_session_mute_get,
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msm_loopback_session_mute_put),
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};
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static int msm_pcm_loopback_probe(struct snd_soc_component *component)
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{
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snd_soc_add_component_controls(component, msm_loopback_controls,
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ARRAY_SIZE(msm_loopback_controls));
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return 0;
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}
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static int pcm_loopback_set_volume(struct msm_pcm_loopback *prtd,
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uint32_t volume)
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{
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int rc = -EINVAL;
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pr_debug("%s: Setting volume 0x%x\n", __func__, volume);
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if (prtd && prtd->audio_client) {
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rc = q6asm_set_volume(prtd->audio_client, volume);
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if (rc < 0) {
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pr_err("%s: Send Volume command failed rc = %d\n",
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__func__, rc);
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return rc;
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}
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prtd->volume = volume;
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}
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return rc;
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}
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static int msm_pcm_loopback_get_session(struct snd_soc_pcm_runtime *rtd,
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struct msm_pcm_loopback **pcm)
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{
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struct snd_soc_component *component =
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snd_soc_rtdcom_lookup(rtd, DRV_NAME);
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int ret = 0;
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int n, index = -1;
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if (!component) {
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pr_err("%s: component is NULL\n", __func__);
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return -EINVAL;
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}
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dev_dbg(component->dev, "%s: stream %s\n", __func__,
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rtd->dai_link->stream_name);
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mutex_lock(&loopback_session_lock);
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for (n = 0; n < LOOPBACK_SESSION_MAX; n++) {
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if (!strcmp(rtd->dai_link->stream_name,
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session_map[n].stream_name)) {
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*pcm = session_map[n].loopback_priv;
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goto exit;
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}
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/*
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* Store the min index value for allocating a new session.
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* Here, if session stream name is not found in the
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* existing entries after the loop iteration, then this
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* index will be used to allocate the new session.
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* This index variable is expected to point to the topmost
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* available free session.
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*/
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if (!(session_map[n].stream_name[0]) && (index < 0))
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index = n;
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}
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if (index < 0) {
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dev_err(component->dev, "%s: Max Sessions allocated\n",
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__func__);
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ret = -EAGAIN;
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goto exit;
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}
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session_map[index].loopback_priv = kzalloc(
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sizeof(struct msm_pcm_loopback), GFP_KERNEL);
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if (!session_map[index].loopback_priv) {
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ret = -ENOMEM;
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goto exit;
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}
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strlcpy(session_map[index].stream_name,
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rtd->dai_link->stream_name,
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sizeof(session_map[index].stream_name));
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dev_dbg(component->dev, "%s: stream %s index %d\n",
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__func__, session_map[index].stream_name, index);
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mutex_init(&session_map[index].loopback_priv->lock);
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*pcm = session_map[index].loopback_priv;
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exit:
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mutex_unlock(&loopback_session_lock);
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return ret;
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}
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static int msm_pcm_open(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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struct snd_soc_component *component =
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snd_soc_rtdcom_lookup(rtd, DRV_NAME);
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struct msm_pcm_loopback *pcm = NULL;
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int ret = 0;
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uint16_t bits_per_sample = 16;
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struct asm_session_mtmx_strtr_param_window_v2_t asm_mtmx_strtr_window;
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uint32_t param_id;
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struct msm_pcm_pdata *pdata;
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if (!component) {
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pr_err("%s: component is NULL\n", __func__);
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return -EINVAL;
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}
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ret = msm_pcm_loopback_get_session(rtd, &pcm);
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if (ret)
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return ret;
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mutex_lock(&pcm->lock);
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pcm->volume = 0x2000;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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pcm->playback_substream = substream;
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else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
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pcm->capture_substream = substream;
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pcm->instance++;
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dev_dbg(component->dev, "%s: pcm out open: %d,%d\n", __func__,
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pcm->instance, substream->stream);
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if (pcm->instance == 2) {
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if (pcm->audio_client != NULL)
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stop_pcm(pcm);
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pdata = (struct msm_pcm_pdata *)
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dev_get_drvdata(component->dev);
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if (!pdata) {
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dev_err(component->dev,
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"%s: platform data not populated\n", __func__);
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mutex_unlock(&pcm->lock);
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return -EINVAL;
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}
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pcm->audio_client = q6asm_audio_client_alloc(
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(app_cb)msm_pcm_loopback_event_handler, pcm);
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if (!pcm->audio_client) {
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dev_err(component->dev,
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"%s: Could not allocate memory\n", __func__);
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mutex_unlock(&pcm->lock);
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return -ENOMEM;
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}
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pcm->session_id = pcm->audio_client->session;
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pcm->audio_client->perf_mode = pdata->perf_mode;
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ret = q6asm_open_loopback_v2(pcm->audio_client,
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bits_per_sample);
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if (ret < 0) {
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dev_err(component->dev,
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"%s: pcm out open failed\n", __func__);
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q6asm_audio_client_free(pcm->audio_client);
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pcm->audio_client = NULL;
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mutex_unlock(&pcm->lock);
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return -ENOMEM;
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}
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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pcm->playback_substream = substream;
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ret = pcm_loopback_set_volume(pcm, pcm->volume);
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if (ret < 0)
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dev_err(component->dev,
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"Error %d setting volume", ret);
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}
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/* Set to largest negative value */
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asm_mtmx_strtr_window.window_lsw = 0x00000000;
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asm_mtmx_strtr_window.window_msw = 0x80000000;
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param_id = ASM_SESSION_MTMX_STRTR_PARAM_RENDER_WINDOW_START_V2;
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q6asm_send_mtmx_strtr_window(pcm->audio_client,
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&asm_mtmx_strtr_window,
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param_id);
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/* Set to largest positive value */
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asm_mtmx_strtr_window.window_lsw = 0xffffffff;
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asm_mtmx_strtr_window.window_msw = 0x7fffffff;
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param_id = ASM_SESSION_MTMX_STRTR_PARAM_RENDER_WINDOW_END_V2;
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q6asm_send_mtmx_strtr_window(pcm->audio_client,
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&asm_mtmx_strtr_window,
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param_id);
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}
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dev_info(component->dev, "%s: Instance = %d, Stream ID = %s\n",
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__func__, pcm->instance, substream->pcm->id);
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runtime->private_data = pcm;
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mutex_unlock(&pcm->lock);
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return 0;
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}
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static void stop_pcm(struct msm_pcm_loopback *pcm)
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{
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struct snd_soc_pcm_runtime *soc_pcm_rx;
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struct snd_soc_pcm_runtime *soc_pcm_tx;
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if (pcm->audio_client == NULL) {
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pr_err("%s: audio client freed\n", __func__);
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return;
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}
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mutex_lock(&loopback_session_lock);
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q6asm_cmd(pcm->audio_client, CMD_CLOSE);
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if (pcm->playback_substream != NULL) {
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soc_pcm_rx = pcm->playback_substream->private_data;
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msm_pcm_routing_dereg_phy_stream(soc_pcm_rx->dai_link->id,
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SNDRV_PCM_STREAM_PLAYBACK);
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}
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if (pcm->capture_substream != NULL) {
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soc_pcm_tx = pcm->capture_substream->private_data;
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msm_pcm_routing_dereg_phy_stream(soc_pcm_tx->dai_link->id,
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SNDRV_PCM_STREAM_CAPTURE);
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}
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q6asm_audio_client_free(pcm->audio_client);
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pcm->audio_client = NULL;
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mutex_unlock(&loopback_session_lock);
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}
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static int msm_pcm_close(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct msm_pcm_loopback *pcm = runtime->private_data;
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struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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struct snd_soc_component *component =
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snd_soc_rtdcom_lookup(rtd, DRV_NAME);
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int ret = 0, n;
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bool found = false;
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if (!component) {
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pr_err("%s: component is NULL\n", __func__);
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return -EINVAL;
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}
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mutex_lock(&pcm->lock);
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dev_dbg(component->dev, "%s: end pcm call:%d\n",
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__func__, substream->stream);
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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pcm->playback_start = 0;
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else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
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pcm->capture_start = 0;
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pcm->instance--;
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if (!pcm->playback_start || !pcm->capture_start) {
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dev_dbg(component->dev, "%s: end pcm call\n", __func__);
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stop_pcm(pcm);
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}
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if (!pcm->instance) {
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mutex_lock(&loopback_session_lock);
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for (n = 0; n < LOOPBACK_SESSION_MAX; n++) {
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if (!strcmp(rtd->dai_link->stream_name,
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session_map[n].stream_name)) {
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found = true;
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break;
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}
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}
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if (found) {
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memset(session_map[n].stream_name, 0,
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sizeof(session_map[n].stream_name));
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mutex_unlock(&pcm->lock);
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mutex_destroy(&session_map[n].loopback_priv->lock);
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session_map[n].loopback_priv = NULL;
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kfree(pcm);
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dev_dbg(component->dev, "%s: stream freed %s\n",
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__func__, rtd->dai_link->stream_name);
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mutex_unlock(&loopback_session_lock);
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return 0;
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}
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mutex_unlock(&loopback_session_lock);
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}
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mutex_unlock(&pcm->lock);
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return ret;
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}
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static int msm_pcm_prepare(struct snd_pcm_substream *substream)
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{
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int ret = 0;
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct msm_pcm_loopback *pcm = runtime->private_data;
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struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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struct snd_soc_component *component =
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snd_soc_rtdcom_lookup(rtd, DRV_NAME);
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struct msm_pcm_routing_evt event;
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memset(&event, 0, sizeof(event));
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if (!component) {
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pr_err("%s: component is NULL\n", __func__);
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return -EINVAL;
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}
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mutex_lock(&pcm->lock);
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dev_dbg(component->dev, "%s: ASM loopback stream:%d\n",
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__func__, substream->stream);
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if (pcm->playback_start && pcm->capture_start) {
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mutex_unlock(&pcm->lock);
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return ret;
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}
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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if (!pcm->playback_start)
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pcm->playback_start = 1;
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} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
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if (!pcm->capture_start)
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pcm->capture_start = 1;
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}
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if (pcm->playback_start && pcm->capture_start) {
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struct snd_soc_pcm_runtime *soc_pcm_rx =
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pcm->playback_substream->private_data;
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struct snd_soc_pcm_runtime *soc_pcm_tx =
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pcm->capture_substream->private_data;
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event.event_func = msm_pcm_route_event_handler;
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event.priv_data = (void *) pcm;
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if (!pcm->audio_client) {
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mutex_unlock(&pcm->lock);
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pr_err("%s: audio client freed\n", __func__);
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return -EINVAL;
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}
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msm_pcm_routing_reg_phy_stream(soc_pcm_tx->dai_link->id,
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pcm->audio_client->perf_mode,
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pcm->session_id, pcm->capture_substream->stream);
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msm_pcm_routing_reg_phy_stream_v2(soc_pcm_rx->dai_link->id,
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pcm->audio_client->perf_mode,
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pcm->session_id, pcm->playback_substream->stream,
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event);
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}
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|
|
mutex_unlock(&pcm->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
|
|
{
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct msm_pcm_loopback *pcm = runtime->private_data;
|
|
struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
|
|
struct snd_soc_component *component =
|
|
snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
|
|
if (!component) {
|
|
pr_err("%s: component is NULL\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
|
dev_dbg(component->dev,
|
|
"%s: playback_start:%d,capture_start:%d\n", __func__,
|
|
pcm->playback_start, pcm->capture_start);
|
|
if (pcm->playback_start && pcm->capture_start)
|
|
q6asm_run_nowait(pcm->audio_client, 0, 0, 0);
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
dev_dbg(component->dev,
|
|
"%s:Pause/Stop - playback_start:%d,capture_start:%d\n",
|
|
__func__, pcm->playback_start, pcm->capture_start);
|
|
if (pcm->playback_start && pcm->capture_start)
|
|
q6asm_cmd_nowait(pcm->audio_client, CMD_PAUSE);
|
|
break;
|
|
default:
|
|
pr_err("%s: default cmd %d\n", __func__, cmd);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_pcm_ops msm_pcm_ops = {
|
|
.open = msm_pcm_open,
|
|
.close = msm_pcm_close,
|
|
.prepare = msm_pcm_prepare,
|
|
.trigger = msm_pcm_trigger,
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_AUDIO_QGKI)
|
|
static int msm_pcm_volume_ctl_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
int rc = 0;
|
|
struct snd_pcm_volume *vol = kcontrol->private_data;
|
|
struct snd_pcm_substream *substream = vol->pcm->streams[0].substream;
|
|
struct msm_pcm_loopback *prtd;
|
|
int volume = ucontrol->value.integer.value[0];
|
|
|
|
pr_debug("%s: volume : 0x%x\n", __func__, volume);
|
|
if ((!substream) || (!substream->runtime)) {
|
|
pr_err("%s substream or runtime not found\n", __func__);
|
|
rc = -ENODEV;
|
|
goto exit;
|
|
}
|
|
mutex_lock(&loopback_session_lock);
|
|
if (substream->ref_count > 0) {
|
|
prtd = substream->runtime->private_data;
|
|
if (!prtd) {
|
|
rc = -ENODEV;
|
|
mutex_unlock(&loopback_session_lock);
|
|
goto exit;
|
|
}
|
|
rc = pcm_loopback_set_volume(prtd, volume);
|
|
}
|
|
mutex_unlock(&loopback_session_lock);
|
|
exit:
|
|
return rc;
|
|
}
|
|
|
|
static int msm_pcm_volume_ctl_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
int rc = 0;
|
|
struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol);
|
|
struct snd_pcm_substream *substream = NULL;
|
|
struct msm_pcm_loopback *prtd;
|
|
|
|
pr_debug("%s\n", __func__);
|
|
if (!vol) {
|
|
pr_err("%s: vol is NULL\n", __func__);
|
|
return -ENODEV;
|
|
}
|
|
substream = vol->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
|
|
if ((!substream) || (!substream->runtime)) {
|
|
pr_debug("%s substream or runtime not found\n", __func__);
|
|
rc = -ENODEV;
|
|
goto exit;
|
|
}
|
|
mutex_lock(&loopback_session_lock);
|
|
if (substream->ref_count > 0) {
|
|
prtd = substream->runtime->private_data;
|
|
if (!prtd) {
|
|
rc = -ENODEV;
|
|
mutex_unlock(&loopback_session_lock);
|
|
goto exit;
|
|
}
|
|
ucontrol->value.integer.value[0] = prtd->volume;
|
|
}
|
|
mutex_unlock(&loopback_session_lock);
|
|
exit:
|
|
return rc;
|
|
}
|
|
|
|
static int msm_pcm_add_volume_controls(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_pcm *pcm = rtd->pcm->streams[0].pcm;
|
|
struct snd_pcm_volume *volume_info;
|
|
struct snd_kcontrol *kctl;
|
|
int ret = 0;
|
|
|
|
dev_dbg(rtd->dev, "%s, Volume cntrl add\n", __func__);
|
|
ret = snd_pcm_add_volume_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
|
|
NULL, 1,
|
|
rtd->dai_link->id,
|
|
&volume_info);
|
|
if (ret < 0)
|
|
return ret;
|
|
kctl = volume_info->kctl;
|
|
kctl->put = msm_pcm_volume_ctl_put;
|
|
kctl->get = msm_pcm_volume_ctl_get;
|
|
kctl->tlv.p = loopback_rx_vol_gain;
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_playback_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value;
|
|
int session_type = SESSION_TYPE_RX;
|
|
int be_id = ucontrol->value.integer.value[3];
|
|
struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000};
|
|
int ret = 0;
|
|
|
|
cfg_data.app_type = ucontrol->value.integer.value[0];
|
|
cfg_data.acdb_dev_id = ucontrol->value.integer.value[1];
|
|
if (ucontrol->value.integer.value[2] != 0)
|
|
cfg_data.sample_rate = ucontrol->value.integer.value[2];
|
|
pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n",
|
|
__func__, fe_id, session_type, be_id,
|
|
cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate);
|
|
ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type,
|
|
be_id, &cfg_data);
|
|
if (ret < 0)
|
|
pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n",
|
|
__func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_playback_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value;
|
|
int session_type = SESSION_TYPE_RX;
|
|
int be_id = 0;
|
|
struct msm_pcm_stream_app_type_cfg cfg_data = {0};
|
|
int ret = 0;
|
|
|
|
ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type,
|
|
&be_id, &cfg_data);
|
|
if (ret < 0) {
|
|
pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n",
|
|
__func__, ret);
|
|
goto done;
|
|
}
|
|
|
|
ucontrol->value.integer.value[0] = cfg_data.app_type;
|
|
ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id;
|
|
ucontrol->value.integer.value[2] = cfg_data.sample_rate;
|
|
ucontrol->value.integer.value[3] = be_id;
|
|
pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n",
|
|
__func__, fe_id, session_type, be_id,
|
|
cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate);
|
|
done:
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_capture_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value;
|
|
int session_type = SESSION_TYPE_TX;
|
|
int be_id = ucontrol->value.integer.value[3];
|
|
struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000};
|
|
int ret = 0;
|
|
|
|
cfg_data.app_type = ucontrol->value.integer.value[0];
|
|
cfg_data.acdb_dev_id = ucontrol->value.integer.value[1];
|
|
if (ucontrol->value.integer.value[2] != 0)
|
|
cfg_data.sample_rate = ucontrol->value.integer.value[2];
|
|
pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n",
|
|
__func__, fe_id, session_type, be_id,
|
|
cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate);
|
|
ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type,
|
|
be_id, &cfg_data);
|
|
if (ret < 0)
|
|
pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n",
|
|
__func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_capture_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value;
|
|
int session_type = SESSION_TYPE_TX;
|
|
int be_id = 0;
|
|
struct msm_pcm_stream_app_type_cfg cfg_data = {0};
|
|
int ret = 0;
|
|
|
|
ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type,
|
|
&be_id, &cfg_data);
|
|
if (ret < 0) {
|
|
pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n",
|
|
__func__, ret);
|
|
goto done;
|
|
}
|
|
|
|
ucontrol->value.integer.value[0] = cfg_data.app_type;
|
|
ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id;
|
|
ucontrol->value.integer.value[2] = cfg_data.sample_rate;
|
|
ucontrol->value.integer.value[3] = be_id;
|
|
pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n",
|
|
__func__, fe_id, session_type, be_id,
|
|
cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate);
|
|
done:
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_add_app_type_controls(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_pcm *pcm = rtd->pcm->streams[0].pcm;
|
|
struct snd_pcm_usr *app_type_info;
|
|
struct snd_kcontrol *kctl;
|
|
const char *playback_mixer_ctl_name = "Audio Stream";
|
|
const char *capture_mixer_ctl_name = "Audio Stream Capture";
|
|
const char *deviceNo = "NN";
|
|
const char *suffix = "App Type Cfg";
|
|
int ctl_len, ret = 0;
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
|
|
ctl_len = strlen(playback_mixer_ctl_name) + 1 +
|
|
strlen(deviceNo) + 1 + strlen(suffix) + 1;
|
|
pr_debug("%s: Playback app type cntrl add\n", __func__);
|
|
ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
|
|
NULL, 1, ctl_len, rtd->dai_link->id,
|
|
&app_type_info);
|
|
if (ret < 0)
|
|
return ret;
|
|
kctl = app_type_info->kctl;
|
|
snprintf(kctl->id.name, ctl_len, "%s %d %s",
|
|
playback_mixer_ctl_name, rtd->pcm->device, suffix);
|
|
kctl->put = msm_pcm_playback_app_type_cfg_ctl_put;
|
|
kctl->get = msm_pcm_playback_app_type_cfg_ctl_get;
|
|
}
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
|
|
ctl_len = strlen(capture_mixer_ctl_name) + 1 +
|
|
strlen(deviceNo) + 1 + strlen(suffix) + 1;
|
|
pr_debug("%s: Capture app type cntrl add\n", __func__);
|
|
ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE,
|
|
NULL, 1, ctl_len, rtd->dai_link->id,
|
|
&app_type_info);
|
|
if (ret < 0)
|
|
return ret;
|
|
kctl = app_type_info->kctl;
|
|
snprintf(kctl->id.name, ctl_len, "%s %d %s",
|
|
capture_mixer_ctl_name, rtd->pcm->device, suffix);
|
|
kctl->put = msm_pcm_capture_app_type_cfg_ctl_put;
|
|
kctl->get = msm_pcm_capture_app_type_cfg_ctl_get;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
static int msm_pcm_add_volume_controls(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
return 0;
|
|
}
|
|
static int msm_pcm_add_app_type_controls(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_AUDIO_QGKI */
|
|
|
|
static struct msm_pcm_channel_mixer *msm_pcm_get_chmixer(
|
|
struct msm_pcm_pdata *pdata,
|
|
u64 fe_id, int session_type)
|
|
{
|
|
if (!pdata) {
|
|
pr_err("%s: missing pdata\n", __func__);
|
|
return NULL;
|
|
}
|
|
|
|
if (fe_id >= MSM_FRONTEND_DAI_MM_SIZE) {
|
|
pr_err("%s: invalid FE %llu\n", __func__, fe_id);
|
|
return NULL;
|
|
}
|
|
|
|
if ((session_type != SESSION_TYPE_TX) &&
|
|
(session_type != SESSION_TYPE_RX)) {
|
|
pr_err("%s: invalid session type %d\n", __func__, session_type);
|
|
return NULL;
|
|
}
|
|
|
|
return pdata->chmixer_pspd[fe_id][session_type];
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_cfg_ctl_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value & 0xFF;
|
|
int session_type = (kcontrol->private_value >> 8) & 0xFF;
|
|
int ret = 0;
|
|
int stream_id = 0;
|
|
int be_id = 0, i = 0;
|
|
struct msm_pcm_loopback *prtd = NULL;
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev);
|
|
struct snd_pcm *pcm = NULL;
|
|
struct snd_pcm_substream *substream = NULL;
|
|
struct msm_pcm_channel_mixer *chmixer_pspd = NULL;
|
|
u8 asm_ch_map[PCM_FORMAT_MAX_NUM_CHANNEL_V8] = {0};
|
|
bool reset_override_out_ch_map = false;
|
|
bool reset_override_in_ch_map = false;
|
|
|
|
pcm = pdata->pcm_device[fe_id];
|
|
if (!pcm) {
|
|
pr_err("%s invalid pcm handle for fe_id %llu\n",
|
|
__func__, fe_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (session_type == SESSION_TYPE_RX)
|
|
substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
|
|
else
|
|
substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
|
|
if (!substream) {
|
|
pr_err("%s substream not found\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type);
|
|
if (!chmixer_pspd) {
|
|
pr_err("%s: invalid chmixer_pspd in pdata", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
chmixer_pspd->enable = ucontrol->value.integer.value[0];
|
|
chmixer_pspd->rule = ucontrol->value.integer.value[1];
|
|
chmixer_pspd->input_channel = ucontrol->value.integer.value[2];
|
|
chmixer_pspd->output_channel = ucontrol->value.integer.value[3];
|
|
chmixer_pspd->port_idx = ucontrol->value.integer.value[4];
|
|
|
|
if (chmixer_pspd->enable) {
|
|
if (session_type == SESSION_TYPE_RX &&
|
|
!chmixer_pspd->override_in_ch_map) {
|
|
if (chmixer_pspd->input_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) {
|
|
pr_err("%s: Invalid channel count %d\n",
|
|
__func__, chmixer_pspd->input_channel);
|
|
return -EINVAL;
|
|
}
|
|
q6asm_map_channels(asm_ch_map,
|
|
chmixer_pspd->input_channel, false);
|
|
for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++)
|
|
chmixer_pspd->in_ch_map[i] = asm_ch_map[i];
|
|
chmixer_pspd->override_in_ch_map = true;
|
|
reset_override_in_ch_map = true;
|
|
} else if (session_type == SESSION_TYPE_TX &&
|
|
!chmixer_pspd->override_out_ch_map) {
|
|
if (chmixer_pspd->output_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) {
|
|
pr_err("%s: Invalid channel count %d\n",
|
|
__func__, chmixer_pspd->output_channel);
|
|
return -EINVAL;
|
|
}
|
|
q6asm_map_channels(asm_ch_map,
|
|
chmixer_pspd->output_channel, false);
|
|
for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++)
|
|
chmixer_pspd->out_ch_map[i] = asm_ch_map[i];
|
|
chmixer_pspd->override_out_ch_map = true;
|
|
reset_override_out_ch_map = true;
|
|
}
|
|
} else {
|
|
chmixer_pspd->override_out_ch_map = false;
|
|
chmixer_pspd->override_in_ch_map = false;
|
|
}
|
|
|
|
/* cache value and take effect during adm_open stage */
|
|
msm_pcm_routing_set_channel_mixer_cfg(fe_id,
|
|
session_type,
|
|
chmixer_pspd);
|
|
|
|
mutex_lock(&loopback_session_lock);
|
|
if (substream->ref_count <= 0) {
|
|
pr_err_ratelimited("%s: substream ref_count:%d invalid\n",
|
|
__func__, substream->ref_count);
|
|
mutex_unlock(&loopback_session_lock);
|
|
return -EINVAL;
|
|
}
|
|
if (chmixer_pspd->enable && substream->runtime) {
|
|
prtd = substream->runtime->private_data;
|
|
if (!prtd) {
|
|
pr_err("%s find invalid prtd fail\n", __func__);
|
|
ret = -EINVAL;
|
|
mutex_unlock(&loopback_session_lock);
|
|
goto done;
|
|
}
|
|
|
|
if (prtd->audio_client) {
|
|
stream_id = prtd->audio_client->session;
|
|
be_id = chmixer_pspd->port_idx;
|
|
msm_pcm_routing_set_channel_mixer_runtime(be_id,
|
|
stream_id,
|
|
session_type,
|
|
chmixer_pspd);
|
|
}
|
|
}
|
|
mutex_unlock(&loopback_session_lock);
|
|
if (reset_override_out_ch_map)
|
|
chmixer_pspd->override_out_ch_map = false;
|
|
if (reset_override_in_ch_map)
|
|
chmixer_pspd->override_in_ch_map = false;
|
|
|
|
done:
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_cfg_ctl_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value & 0xFF;
|
|
int session_type = (kcontrol->private_value >> 8) & 0xFF;
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev);
|
|
struct msm_pcm_channel_mixer *chmixer_pspd;
|
|
|
|
chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type);
|
|
if (!chmixer_pspd) {
|
|
pr_err("%s: invalid chmixer_pspd in pdata", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ucontrol->value.integer.value[0] = chmixer_pspd->enable;
|
|
ucontrol->value.integer.value[1] = chmixer_pspd->rule;
|
|
ucontrol->value.integer.value[2] = chmixer_pspd->input_channel;
|
|
ucontrol->value.integer.value[3] = chmixer_pspd->output_channel;
|
|
ucontrol->value.integer.value[4] = chmixer_pspd->port_idx;
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_output_map_ctl_put(
|
|
struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value & 0xFF;
|
|
int session_type = (kcontrol->private_value >> 8) & 0xFF;
|
|
int i = 0;
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev);
|
|
struct msm_pcm_channel_mixer *chmixer_pspd;
|
|
|
|
chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type);
|
|
if (!chmixer_pspd) {
|
|
pr_err("%s: invalid chmixer_pspd in pdata", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
chmixer_pspd->override_out_ch_map = true;
|
|
for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++)
|
|
chmixer_pspd->out_ch_map[i] =
|
|
ucontrol->value.integer.value[i];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_output_map_ctl_get(
|
|
struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value & 0xFF;
|
|
int session_type = (kcontrol->private_value >> 8) & 0xFF;
|
|
int i = 0;
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev);
|
|
struct msm_pcm_channel_mixer *chmixer_pspd;
|
|
|
|
chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type);
|
|
if (!chmixer_pspd) {
|
|
pr_err("%s: invalid chmixer_pspd in pdata", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++)
|
|
ucontrol->value.integer.value[i] =
|
|
chmixer_pspd->out_ch_map[i];
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_input_map_ctl_put(
|
|
struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value & 0xFF;
|
|
int session_type = (kcontrol->private_value >> 8) & 0xFF;
|
|
int i = 0;
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev);
|
|
struct msm_pcm_channel_mixer *chmixer_pspd;
|
|
|
|
chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type);
|
|
if (!chmixer_pspd) {
|
|
pr_err("%s: invalid chmixer_pspd in pdata", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
chmixer_pspd->override_in_ch_map = true;
|
|
for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++)
|
|
chmixer_pspd->in_ch_map[i] = ucontrol->value.integer.value[i];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_input_map_ctl_get(
|
|
struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value & 0xFF;
|
|
int session_type = (kcontrol->private_value >> 8) & 0xFF;
|
|
int i = 0;
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev);
|
|
struct msm_pcm_channel_mixer *chmixer_pspd;
|
|
|
|
chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type);
|
|
if (!chmixer_pspd) {
|
|
pr_err("%s: invalid chmixer_pspd in pdata", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++)
|
|
ucontrol->value.integer.value[i] =
|
|
chmixer_pspd->in_ch_map[i];
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_weight_ctl_put(
|
|
struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value & 0xFF;
|
|
int session_type = (kcontrol->private_value >> 8) & 0xFF;
|
|
int channel = (kcontrol->private_value >> 16) & 0xFF;
|
|
int i = 0;
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev);
|
|
struct msm_pcm_channel_mixer *chmixer_pspd;
|
|
|
|
chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type);
|
|
if (!chmixer_pspd) {
|
|
pr_err("%s: invalid chmixer_pspd in pdata", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (channel <= 0 || channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) {
|
|
pr_err("%s: invalid channel number %d\n", __func__, channel);
|
|
return -EINVAL;
|
|
}
|
|
channel--;
|
|
|
|
for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++)
|
|
chmixer_pspd->channel_weight[channel][i] =
|
|
ucontrol->value.integer.value[i];
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_weight_ctl_get(
|
|
struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
u64 fe_id = kcontrol->private_value & 0xFF;
|
|
int session_type = (kcontrol->private_value >> 8) & 0xFF;
|
|
int channel = (kcontrol->private_value >> 16) & 0xFF;
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct msm_pcm_pdata *pdata = dev_get_drvdata(component->dev);
|
|
int i = 0;
|
|
struct msm_pcm_channel_mixer *chmixer_pspd;
|
|
|
|
if (channel <= 0 || channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) {
|
|
pr_err("%s: invalid channel number %d\n", __func__, channel);
|
|
return -EINVAL;
|
|
}
|
|
channel--;
|
|
|
|
chmixer_pspd = msm_pcm_get_chmixer(pdata, fe_id, session_type);
|
|
if (!chmixer_pspd) {
|
|
pr_err("%s: invalid chmixer_pspd in pdata", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++)
|
|
ucontrol->value.integer.value[i] =
|
|
chmixer_pspd->channel_weight[channel][i];
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_add_platform_controls(struct snd_kcontrol_new *kctl,
|
|
struct snd_soc_pcm_runtime *rtd, const char *name_prefix,
|
|
const char *name_suffix, int session_type, int channels)
|
|
{
|
|
int ret = -EINVAL;
|
|
char *mixer_name = NULL;
|
|
struct snd_pcm *pcm = rtd->pcm;
|
|
const char *deviceNo = "NN";
|
|
const char *channelNo = "NN";
|
|
int ctl_len = 0;
|
|
struct snd_soc_component *component = NULL;
|
|
|
|
component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
if (!component) {
|
|
pr_err("%s: component is NULL\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ctl_len = strlen(name_prefix) + 1 + strlen(deviceNo) + 1 +
|
|
strlen(channelNo) + 1 + strlen(name_suffix) + 1;
|
|
|
|
mixer_name = kzalloc(ctl_len, GFP_KERNEL);
|
|
if (mixer_name == NULL)
|
|
return -ENOMEM;
|
|
|
|
if (channels >= 0) {
|
|
snprintf(mixer_name, ctl_len, "%s %d %s %d",
|
|
name_prefix, pcm->device, name_suffix, channels);
|
|
kctl->private_value = (rtd->dai_link->id) | (session_type << 8) |
|
|
(channels << 16);
|
|
} else {
|
|
snprintf(mixer_name, ctl_len, "%s %d %s",
|
|
name_prefix, pcm->device, name_suffix);
|
|
kctl->private_value = (rtd->dai_link->id) | (session_type << 8);
|
|
}
|
|
|
|
kctl->name = mixer_name;
|
|
ret = snd_soc_add_component_controls(component, kctl, 1);
|
|
kfree(mixer_name);
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_output_map_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8;
|
|
/* Valid channel map value ranges from 1 to 64 */
|
|
uinfo->value.integer.min = 1;
|
|
uinfo->value.integer.max = 64;
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_add_channel_mixer_output_map_controls(
|
|
struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_pcm *pcm = rtd->pcm;
|
|
const char *playback_mixer_ctl_name = "AudStr";
|
|
const char *capture_mixer_ctl_name = "AudStr Capture";
|
|
const char *suffix = "ChMixer Output Map";
|
|
int session_type = 0, ret = 0, channel = -1;
|
|
struct snd_kcontrol_new channel_mixer_output_map_control = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "?",
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = msm_pcm_channel_mixer_output_map_info,
|
|
.put = msm_pcm_channel_mixer_output_map_ctl_put,
|
|
.get = msm_pcm_channel_mixer_output_map_ctl_get,
|
|
.private_value = 0,
|
|
};
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) {
|
|
session_type = SESSION_TYPE_RX;
|
|
ret = msm_pcm_add_platform_controls(&channel_mixer_output_map_control,
|
|
rtd, playback_mixer_ctl_name, suffix, session_type, channel);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) {
|
|
session_type = SESSION_TYPE_TX;
|
|
ret = msm_pcm_add_platform_controls(&channel_mixer_output_map_control,
|
|
rtd, capture_mixer_ctl_name, suffix, session_type, channel);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
return 0;
|
|
|
|
fail:
|
|
pr_err("%s: failed add platform ctl, err = %d\n",
|
|
__func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_input_map_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8;
|
|
/* Valid channel map value ranges from 1 to 64 */
|
|
uinfo->value.integer.min = 1;
|
|
uinfo->value.integer.max = 64;
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_add_channel_mixer_input_map_controls(
|
|
struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_pcm *pcm = rtd->pcm;
|
|
const char *playback_mixer_ctl_name = "AudStr";
|
|
const char *capture_mixer_ctl_name = "AudStr Capture";
|
|
const char *suffix = "ChMixer Input Map";
|
|
int session_type = 0, ret = 0, channel = -1;
|
|
struct snd_kcontrol_new channel_mixer_input_map_control = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "?",
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = msm_pcm_channel_mixer_input_map_info,
|
|
.put = msm_pcm_channel_mixer_input_map_ctl_put,
|
|
.get = msm_pcm_channel_mixer_input_map_ctl_get,
|
|
.private_value = 0,
|
|
};
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) {
|
|
session_type = SESSION_TYPE_RX;
|
|
ret = msm_pcm_add_platform_controls(&channel_mixer_input_map_control,
|
|
rtd, playback_mixer_ctl_name, suffix, session_type, channel);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) {
|
|
session_type = SESSION_TYPE_TX;
|
|
ret = msm_pcm_add_platform_controls(&channel_mixer_input_map_control,
|
|
rtd, capture_mixer_ctl_name, suffix, session_type, channel);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
return 0;
|
|
|
|
fail:
|
|
pr_err("%s: failed add platform ctl, err = %d\n",
|
|
__func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_cfg_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
/* five int values: enable, rule, in_channels, out_channels and port_id */
|
|
uinfo->count = 5;
|
|
/* Valid range is all positive values to support above controls */
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = INT_MAX;
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_add_channel_mixer_cfg_controls(
|
|
struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_pcm *pcm = rtd->pcm;
|
|
const char *playback_mixer_ctl_name = "AudStr";
|
|
const char *capture_mixer_ctl_name = "AudStr Capture";
|
|
const char *suffix = "ChMixer Cfg";
|
|
int session_type = 0, ret = 0, channel = -1;
|
|
struct msm_pcm_pdata *pdata = NULL;
|
|
struct snd_soc_component *component = NULL;
|
|
struct snd_kcontrol_new channel_mixer_cfg_control = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "?",
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = msm_pcm_channel_mixer_cfg_info,
|
|
.put = msm_pcm_channel_mixer_cfg_ctl_put,
|
|
.get = msm_pcm_channel_mixer_cfg_ctl_get,
|
|
.private_value = 0,
|
|
};
|
|
|
|
component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
if (!component) {
|
|
pr_err("%s: component is NULL\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
pdata = (struct msm_pcm_pdata *)
|
|
dev_get_drvdata(component->dev);
|
|
if (pdata == NULL) {
|
|
pr_err("%s: platform data not populated\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
pdata->pcm_device[rtd->dai_link->id] = rtd->pcm;
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) {
|
|
session_type = SESSION_TYPE_RX;
|
|
ret = msm_pcm_add_platform_controls(&channel_mixer_cfg_control,
|
|
rtd, playback_mixer_ctl_name, suffix, session_type, channel);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) {
|
|
session_type = SESSION_TYPE_TX;
|
|
ret = msm_pcm_add_platform_controls(&channel_mixer_cfg_control,
|
|
rtd, capture_mixer_ctl_name, suffix, session_type, channel);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
return 0;
|
|
|
|
fail:
|
|
pr_err("%s: failed add platform ctl, err = %d\n",
|
|
__func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_channel_mixer_weight_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = PCM_FORMAT_MAX_NUM_CHANNEL_V8;
|
|
/* Valid range: 0 to 0x4000(Unity) gain weightage */
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 0x4000;
|
|
return 0;
|
|
}
|
|
|
|
static int msm_pcm_add_channel_mixer_weight_controls(
|
|
struct snd_soc_pcm_runtime *rtd,
|
|
int channel)
|
|
{
|
|
struct snd_pcm *pcm = rtd->pcm;
|
|
const char *playback_mixer_ctl_name = "AudStr";
|
|
const char *capture_mixer_ctl_name = "AudStr Capture";
|
|
const char *suffix = "ChMixer Weight Ch";
|
|
int session_type = 0, ret = 0;
|
|
struct snd_kcontrol_new channel_mixer_weight_control = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "?",
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.info = msm_pcm_channel_mixer_weight_info,
|
|
.put = msm_pcm_channel_mixer_weight_ctl_put,
|
|
.get = msm_pcm_channel_mixer_weight_ctl_get,
|
|
.private_value = 0,
|
|
};
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream != NULL) {
|
|
session_type = SESSION_TYPE_RX;
|
|
ret = msm_pcm_add_platform_controls(&channel_mixer_weight_control,
|
|
rtd, playback_mixer_ctl_name, suffix, session_type, channel);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream != NULL) {
|
|
session_type = SESSION_TYPE_TX;
|
|
ret = msm_pcm_add_platform_controls(&channel_mixer_weight_control,
|
|
rtd, capture_mixer_ctl_name, suffix, session_type, channel);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
return 0;
|
|
|
|
fail:
|
|
pr_err("%s: failed add platform ctl, err = %d\n",
|
|
__func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_add_channel_mixer_controls(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
int i, ret = 0;
|
|
struct snd_pcm *pcm = NULL;
|
|
struct msm_pcm_pdata *pdata = NULL;
|
|
struct snd_soc_component *component = NULL;
|
|
|
|
if (!rtd || !rtd->pcm) {
|
|
pr_err("%s invalid rtd or pcm\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
pcm = rtd->pcm;
|
|
|
|
component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
if (!component) {
|
|
pr_err("%s: component is NULL\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
pdata = (struct msm_pcm_pdata *)
|
|
dev_get_drvdata(component->dev);
|
|
if (!pdata) {
|
|
pr_err("%s: platform data not populated\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream &&
|
|
!pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]) {
|
|
pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX] =
|
|
kzalloc(sizeof(struct msm_pcm_channel_mixer), GFP_KERNEL);
|
|
if (!pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]) {
|
|
ret = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream &&
|
|
!pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]) {
|
|
pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX] =
|
|
kzalloc(sizeof(struct msm_pcm_channel_mixer), GFP_KERNEL);
|
|
if (!pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]) {
|
|
ret = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
ret = msm_pcm_add_channel_mixer_cfg_controls(rtd);
|
|
if (ret) {
|
|
pr_err("%s: pcm add channel mixer cfg controls failed:%d\n",
|
|
__func__, ret);
|
|
goto fail;
|
|
}
|
|
ret = msm_pcm_add_channel_mixer_input_map_controls(rtd);
|
|
if (ret) {
|
|
pr_err("%s: pcm add channel mixer input map controls failed:%d\n",
|
|
__func__, ret);
|
|
goto fail;
|
|
}
|
|
ret = msm_pcm_add_channel_mixer_output_map_controls(rtd);
|
|
if (ret) {
|
|
pr_err("%s: pcm add channel mixer output map controls failed:%d\n",
|
|
__func__, ret);
|
|
goto fail;
|
|
}
|
|
|
|
for (i = 1; i <= PCM_FORMAT_MAX_NUM_CHANNEL_V8; i++) {
|
|
ret = msm_pcm_add_channel_mixer_weight_controls(rtd, i);
|
|
if (ret) {
|
|
pr_err("%s: pcm add channel mixer weight controls failed:%d\n",
|
|
__func__, ret);
|
|
goto fail;
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
fail:
|
|
kfree(pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX]);
|
|
kfree(pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX]);
|
|
pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_RX] = NULL;
|
|
pdata->chmixer_pspd[rtd->dai_link->id][SESSION_TYPE_TX] = NULL;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int msm_pcm_add_controls(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
int ret = 0;
|
|
|
|
pr_debug("%s\n", __func__);
|
|
ret = msm_pcm_add_volume_controls(rtd);
|
|
if (ret)
|
|
pr_err("%s: pcm add volume controls failed:%d\n",
|
|
__func__, ret);
|
|
ret = msm_pcm_add_app_type_controls(rtd);
|
|
if (ret)
|
|
pr_err("%s: pcm add app type controls failed:%d\n",
|
|
__func__, ret);
|
|
|
|
ret = msm_pcm_add_channel_mixer_controls(rtd);
|
|
if (ret)
|
|
pr_err("%s: pcm add channel mixer controls failed:%d\n",
|
|
__func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int msm_asoc_pcm_new(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_card *card = rtd->card->snd_card;
|
|
int ret = 0;
|
|
|
|
if (!card->dev->coherent_dma_mask)
|
|
card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
|
|
|
|
ret = msm_pcm_add_controls(rtd);
|
|
if (ret)
|
|
dev_err(rtd->dev, "%s, kctl add failed\n", __func__);
|
|
return ret;
|
|
}
|
|
|
|
static struct snd_soc_component_driver msm_soc_component = {
|
|
.name = DRV_NAME,
|
|
.ops = &msm_pcm_ops,
|
|
.pcm_new = msm_asoc_pcm_new,
|
|
.probe = msm_pcm_loopback_probe,
|
|
};
|
|
|
|
static int msm_pcm_probe(struct platform_device *pdev)
|
|
{
|
|
struct msm_pcm_pdata *pdata;
|
|
|
|
dev_dbg(&pdev->dev, "%s: dev name %s\n",
|
|
__func__, dev_name(&pdev->dev));
|
|
|
|
pdata = kzalloc(sizeof(struct msm_pcm_pdata), GFP_KERNEL);
|
|
if (!pdata)
|
|
return -ENOMEM;
|
|
|
|
if (of_property_read_bool(pdev->dev.of_node,
|
|
"qcom,msm-pcm-loopback-low-latency"))
|
|
pdata->perf_mode = LOW_LATENCY_PCM_MODE;
|
|
else
|
|
pdata->perf_mode = LEGACY_PCM_MODE;
|
|
|
|
dev_set_drvdata(&pdev->dev, pdata);
|
|
|
|
return snd_soc_register_component(&pdev->dev,
|
|
&msm_soc_component,
|
|
NULL, 0);
|
|
}
|
|
|
|
static int msm_pcm_remove(struct platform_device *pdev)
|
|
{
|
|
struct msm_pcm_pdata *pdata;
|
|
int i = 0;
|
|
|
|
pdata = dev_get_drvdata(&pdev->dev);
|
|
if (pdata) {
|
|
for (i = 0; i < MSM_FRONTEND_DAI_MM_SIZE; i++) {
|
|
kfree(pdata->chmixer_pspd[i][SESSION_TYPE_RX]);
|
|
kfree(pdata->chmixer_pspd[i][SESSION_TYPE_TX]);
|
|
}
|
|
}
|
|
kfree(pdata);
|
|
snd_soc_unregister_component(&pdev->dev);
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id msm_pcm_loopback_dt_match[] = {
|
|
{.compatible = "qcom,msm-pcm-loopback"},
|
|
{}
|
|
};
|
|
|
|
static struct platform_driver msm_pcm_driver = {
|
|
.driver = {
|
|
.name = "msm-pcm-loopback",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = msm_pcm_loopback_dt_match,
|
|
.suppress_bind_attrs = true,
|
|
},
|
|
.probe = msm_pcm_probe,
|
|
.remove = msm_pcm_remove,
|
|
};
|
|
|
|
int __init msm_pcm_loopback_init(void)
|
|
{
|
|
return platform_driver_register(&msm_pcm_driver);
|
|
}
|
|
|
|
void msm_pcm_loopback_exit(void)
|
|
{
|
|
platform_driver_unregister(&msm_pcm_driver);
|
|
}
|
|
|
|
MODULE_DESCRIPTION("PCM loopback platform driver");
|
|
MODULE_LICENSE("GPL v2");
|