static long q6_aac_in_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct aac *aac = file->private_data; int rc = 0; int i = 0; struct aac_fc *fc; int size = 0; mutex_lock(&aac->lock); switch (cmd) { case AUDIO_SET_VOLUME: break; case AUDIO_GET_STATS: { struct msm_audio_stats stats; pr_debug("[%s:%s] GET_STATS\n", __MM_FILE__, __func__); memset(&stats, 0, sizeof(stats)); if (copy_to_user((void *) arg, &stats, sizeof(stats))) return -EFAULT; return 0; } case AUDIO_START: { uint32_t acdb_id; pr_debug("[%s:%s] AUDIO_START\n", __MM_FILE__, __func__); if (arg == 0) { acdb_id = 0; } else { if (copy_from_user(&acdb_id, (void *) arg, sizeof(acdb_id))) { rc = -EFAULT; break; } } if (aac->audio_client) { rc = -EBUSY; pr_err("[%s:%s] active session already existing\n", __MM_FILE__, __func__); break; } else { aac->audio_client = q6audio_open_aac( aac->str_cfg.buffer_size, aac->cfg.sample_rate, aac->cfg.channels, aac->cfg.bit_rate, aac->cfg.stream_format, aac->voicerec_mode.rec_mode, acdb_id); if (aac->audio_client < 0) { pr_err("[%s:%s] aac open session failed\n", __MM_FILE__, __func__); rc = -ENOMEM; break; } } /*allocate flow control buffers*/ fc = aac->aac_fc; size = ((aac->str_cfg.buffer_size < 1543) ? 1543 : aac->str_cfg.buffer_size); for (i = 0; i < AAC_FC_BUFF_CNT; ++i) { mutex_init(&(fc->fc_buff[i].lock)); fc->fc_buff[i].empty = 1; fc->fc_buff[i].data = kmalloc(size, GFP_KERNEL); if (fc->fc_buff[i].data == NULL) { pr_err("[%s:%s] No memory for FC buffers\n", __MM_FILE__, __func__); rc = -ENOMEM; goto fc_fail; } fc->fc_buff[i].size = size; fc->fc_buff[i].actual_size = 0; } /*create flow control thread*/ fc->task = kthread_run(q6_aac_flowcontrol, aac, "aac_flowcontrol"); if (IS_ERR(fc->task)) { rc = PTR_ERR(fc->task); pr_err("[%s:%s] error creating flow control thread\n", __MM_FILE__, __func__); goto fc_fail; } break; fc_fail: /*free flow control buffers*/ --i; for (; i >= 0; i--) { kfree(fc->fc_buff[i].data); fc->fc_buff[i].data = NULL; } break; } case AUDIO_STOP: pr_debug("[%s:%s] AUDIO_STOP\n", __MM_FILE__, __func__); break; case AUDIO_FLUSH: break; case AUDIO_SET_INCALL: { pr_debug("[%s:%s] SET_INCALL\n", __MM_FILE__, __func__); if (copy_from_user(&aac->voicerec_mode, (void *)arg, sizeof(struct msm_voicerec_mode))) rc = -EFAULT; if (aac->voicerec_mode.rec_mode != AUDIO_FLAG_READ && aac->voicerec_mode.rec_mode != AUDIO_FLAG_INCALL_MIXED) { aac->voicerec_mode.rec_mode = AUDIO_FLAG_READ; pr_err("[%s:%s] Invalid rec_mode\n", __MM_FILE__, __func__); rc = -EINVAL; } break; } case AUDIO_GET_STREAM_CONFIG: if (copy_to_user((void *)arg, &aac->str_cfg, sizeof(struct msm_audio_stream_config))) rc = -EFAULT; pr_debug("[%s:%s] GET_STREAM_CONFIG: buffsz=%d, buffcnt=%d\n", __MM_FILE__, __func__, aac->str_cfg.buffer_size, aac->str_cfg.buffer_count); break; case AUDIO_SET_STREAM_CONFIG: if (copy_from_user(&aac->str_cfg, (void *)arg, sizeof(struct msm_audio_stream_config))) { rc = -EFAULT; break; } pr_debug("[%s:%s] SET_STREAM_CONFIG: buffsz=%d, buffcnt=%d\n", __MM_FILE__, __func__, aac->str_cfg.buffer_size, aac->str_cfg.buffer_count); if (aac->str_cfg.buffer_size < 1543) { pr_err("[%s:%s] Buffer size too small\n", __MM_FILE__, __func__); rc = -EINVAL; break; } if (aac->str_cfg.buffer_count != 2) pr_info("[%s:%s] Buffer count set to 2\n", __MM_FILE__, __func__); break; case AUDIO_SET_AAC_ENC_CONFIG: if (copy_from_user(&aac->cfg, (void *) arg, sizeof(struct msm_audio_aac_enc_config))) { rc = -EFAULT; } pr_debug("[%s:%s] SET_AAC_ENC_CONFIG: channels=%d, rate=%d\n", __MM_FILE__, __func__, aac->cfg.channels, aac->cfg.sample_rate); if (aac->cfg.channels < 1 || aac->cfg.channels > 2) { pr_err("[%s:%s]invalid number of channels\n", __MM_FILE__, __func__); rc = -EINVAL; } if (aac->cfg.sample_rate != 48000) { pr_err("[%s:%s] only 48KHz is supported\n", __MM_FILE__, __func__); rc = -EINVAL; } if (aac->cfg.stream_format != AUDIO_AAC_FORMAT_RAW && aac->cfg.stream_format != AUDIO_AAC_FORMAT_ADTS) { pr_err("[%s:%s] unsupported AAC format\n", __MM_FILE__, __func__); rc = -EINVAL; } break; case AUDIO_GET_AAC_ENC_CONFIG: if (copy_to_user((void *) arg, &aac->cfg, sizeof(struct msm_audio_aac_enc_config))) { rc = -EFAULT; } pr_debug("[%s:%s] GET_AAC_ENC_CONFIG: channels=%d, rate=%d\n", __MM_FILE__, __func__, aac->cfg.channels, aac->cfg.sample_rate); break; default: rc = -EINVAL; } mutex_unlock(&aac->lock); pr_debug("[%s:%s] rc = %d\n", __MM_FILE__, __func__, rc); return rc; }
static long q6_aac_in_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct aac *aac = file->private_data; int rc = 0; mutex_lock(&aac->lock); switch (cmd) { case AUDIO_SET_VOLUME: break; case AUDIO_GET_STATS: { struct msm_audio_stats stats; memset(&stats, 0, sizeof(stats)); if (copy_to_user((void *) arg, &stats, sizeof(stats))) return -EFAULT; return 0; } case AUDIO_START: { uint32_t acdb_id; if (arg == 0) { acdb_id = 0; } else { if (copy_from_user(&acdb_id, (void *) arg, sizeof(acdb_id))) { rc = -EFAULT; break; } } if (aac->audio_client) { rc = -EBUSY; break; } else { aac->audio_client = q6audio_open_aac( aac->str_cfg.buffer_size, aac->cfg.sample_rate, aac->cfg.channels, aac->cfg.bit_rate, aac->cfg.stream_format, aac->voicerec_mode.rec_mode, acdb_id); if (aac->audio_client < 0) { rc = -ENOMEM; break; } } break; } case AUDIO_STOP: break; case AUDIO_FLUSH: break; case AUDIO_SET_INCALL: { if (copy_from_user(&aac->voicerec_mode, (void *)arg, sizeof(struct msm_voicerec_mode))) rc = -EFAULT; if (aac->voicerec_mode.rec_mode != AUDIO_FLAG_READ && aac->voicerec_mode.rec_mode != AUDIO_FLAG_INCALL_MIXED) { aac->voicerec_mode.rec_mode = AUDIO_FLAG_READ; pr_err("[%s:%s] Invalid rec_mode\n", __MM_FILE__, __func__); rc = -EINVAL; } break; } case AUDIO_GET_STREAM_CONFIG: if (copy_to_user((void *)arg, &aac->str_cfg, sizeof(struct msm_audio_stream_config))) rc = -EFAULT; break; case AUDIO_SET_STREAM_CONFIG: if (copy_from_user(&aac->str_cfg, (void *)arg, sizeof(struct msm_audio_stream_config))) { rc = -EFAULT; break; } if (aac->str_cfg.buffer_size < 1543) { pr_err("[%s:%s] Buffer size too small\n", __MM_FILE__, __func__); rc = -EINVAL; break; } if (aac->str_cfg.buffer_count != 2) pr_info("[%s:%s] Buffer count set to 2\n", __MM_FILE__, __func__); break; case AUDIO_SET_AAC_ENC_CONFIG: if (copy_from_user(&aac->cfg, (void *) arg, sizeof(struct msm_audio_aac_enc_config))) { rc = -EFAULT; } if (aac->cfg.channels < 1 || aac->cfg.channels > 2) { pr_err("[%s:%s]invalid number of channels\n", __MM_FILE__, __func__); rc = -EINVAL; } if (aac->cfg.sample_rate != 48000) { pr_err("[%s:%s] only 48KHz is supported\n", __MM_FILE__, __func__); rc = -EINVAL; } if (aac->cfg.stream_format != AUDIO_AAC_FORMAT_RAW && aac->cfg.stream_format != AUDIO_AAC_FORMAT_ADTS) { pr_err("[%s:%s] unsupported AAC format\n", __MM_FILE__, __func__); rc = -EINVAL; } break; case AUDIO_GET_AAC_ENC_CONFIG: if (copy_to_user((void *) arg, &aac->cfg, sizeof(struct msm_audio_aac_enc_config))) { rc = -EFAULT; } break; default: rc = -EINVAL; } mutex_unlock(&aac->lock); return rc; }