Ejemplo n.º 1
0
static int audamrnb_in_open(struct inode *inode, struct file *file)
{
	struct audio_in *audio = &the_audio_amrnb_in;
	int rc;
	int encid;
	int len = 0;
	unsigned long ionflag = 0;
	ion_phys_addr_t addr = 0;
	struct ion_handle *handle = NULL;
	struct ion_client *client = NULL;

	mutex_lock(&audio->lock);
	if (audio->opened) {
		rc = -EBUSY;
		goto done;
	}

	client = msm_ion_client_create(UINT_MAX, "Audio_AMR_In_Client");
	if (IS_ERR_OR_NULL(client)) {
		MM_ERR("Unable to create ION client\n");
		rc = -ENOMEM;
		goto client_create_error;
	}
	audio->client = client;

	handle = ion_alloc(client, DMASZ, SZ_4K,
		ION_HEAP(ION_AUDIO_HEAP_ID),0);
	if (IS_ERR_OR_NULL(handle)) {
		MM_ERR("Unable to create allocate O/P buffers\n");
		rc = -ENOMEM;
		goto buff_alloc_error;
	}
	audio->buff_handle = handle;

	rc = ion_phys(client, handle, &addr, &len);
	if (rc) {
		MM_ERR("O/P buffers:Invalid phy: %x sz: %x\n",
			(unsigned int) addr, (unsigned int) len);
		goto buff_get_phys_error;
	} else {
		MM_INFO("O/P buffers:valid phy: %x sz: %x\n",
			(unsigned int) addr, (unsigned int) len);
	}
	audio->phys = (int32_t)addr;

	rc = ion_handle_get_flags(client, handle, &ionflag);
	if (rc) {
		MM_ERR("could not get flags for the handle\n");
		goto buff_get_flags_error;
	}

	audio->map_v_read = ion_map_kernel(client, handle);
	if (IS_ERR(audio->map_v_read)) {
		MM_ERR("could not map write buffers\n");
		rc = -ENOMEM;
		goto buff_map_error;
	}
	audio->data = audio->map_v_read;
	MM_DBG("write buf: phy addr 0x%08x kernel addr 0x%08x\n",
		audio->phys, (int)audio->data);

	MM_DBG("Memory addr = 0x%8x  phy addr = 0x%8x\n",\
		(int) audio->data, (int) audio->phys);
	if ((file->f_mode & FMODE_WRITE) &&
			(file->f_mode & FMODE_READ)) {
		rc = -EACCES;
		MM_ERR("Non tunnel encoding is not supported\n");
		goto buff_map_error;
	} else if (!(file->f_mode & FMODE_WRITE) &&
					(file->f_mode & FMODE_READ)) {
		audio->mode = MSM_AUD_ENC_MODE_TUNNEL;
		MM_DBG("Opened for tunnel mode encoding\n");
	} else {
		rc = -EACCES;
		goto buff_map_error;
	}


	/* Settings will be re-config at AUDIO_SET_CONFIG,
	 * but at least we need to have initial config
	 */
	audio->buffer_size = (FRAME_SIZE - 8);
	audio->enc_type = ENC_TYPE_AMRNB | audio->mode;
	audio->dtx_mode = -1;
	audio->frame_format = 0;
	audio->used_mode = 7; /* Bit Rate 12.2 kbps MR122 */

	encid = audpreproc_aenc_alloc(audio->enc_type, &audio->module_name,
			&audio->queue_ids);
	if (encid < 0) {
		MM_ERR("No free encoder available\n");
		rc = -ENODEV;
		goto aenc_alloc_error;
	}
	audio->enc_id = encid;

	rc = msm_adsp_get(audio->module_name, &audio->audrec,
			   &audrec_amrnb_adsp_ops, audio);

	if (rc) {
		audpreproc_aenc_free(audio->enc_id);
		goto aenc_alloc_error;
	}

	audio->stopped = 0;
	audio->source = 0;

	audamrnb_in_flush(audio);

	audio->device_events = AUDDEV_EVT_DEV_RDY | AUDDEV_EVT_DEV_RLS |
				AUDDEV_EVT_VOICE_STATE_CHG;

	audio->voice_state = msm_get_voice_state();
	rc = auddev_register_evt_listner(audio->device_events,
					AUDDEV_CLNT_ENC, audio->enc_id,
					amrnb_in_listener, (void *) audio);
	if (rc) {
		MM_ERR("failed to register device event listener\n");
		goto evt_error;
	}
	audio->build_id = socinfo_get_build_id();
	MM_DBG("Modem build id = %s\n", audio->build_id);

	file->private_data = audio;
	audio->opened = 1;
	mutex_unlock(&audio->lock);
	return rc;
evt_error:
	msm_adsp_put(audio->audrec);
	audpreproc_aenc_free(audio->enc_id);
	ion_unmap_kernel(client, audio->buff_handle);
aenc_alloc_error:
buff_map_error:
buff_get_phys_error:
buff_get_flags_error:
	ion_free(client, audio->buff_handle);
buff_alloc_error:
	ion_client_destroy(client);
client_create_error:
done:
	mutex_unlock(&audio->lock);
	return rc;
}
Ejemplo n.º 2
0
static int auda2dp_in_open(struct inode *inode, struct file *file)
{
	struct audio_a2dp_in *audio = &the_audio_a2dp_in;
	int rc;
	int encid;

	mutex_lock(&audio->lock);
	if (audio->opened) {
		rc = -EBUSY;
		goto done;
	}

	audio->phys = allocate_contiguous_ebi_nomap(DMASZ, SZ_4K);
	if (audio->phys) {
		audio->msm_map = msm_subsystem_map_buffer(
					audio->phys, DMASZ,
					MSM_SUBSYSTEM_MAP_KADDR, NULL, 0);
		if (IS_ERR(audio->msm_map)) {
			MM_ERR("could not map the phys address to kernel"
							"space\n");
			rc = -ENOMEM;
			free_contiguous_memory_by_paddr(audio->phys);
			goto done;
		}
		audio->data = (u8 *)audio->msm_map->vaddr;
	} else {
		MM_ERR("could not allocate DMA buffers\n");
		rc = -ENOMEM;
		goto done;
	}
	MM_DBG("Memory addr = 0x%8x  phy addr = 0x%8x\n",\
		(int) audio->data, (int) audio->phys);

	if ((file->f_mode & FMODE_WRITE) &&
				(file->f_mode & FMODE_READ)) {
		rc = -EACCES;
		MM_ERR("Non tunnel encoding is not supported\n");
		goto done;
	} else if (!(file->f_mode & FMODE_WRITE) &&
					(file->f_mode & FMODE_READ)) {
		audio->mode = MSM_AUD_ENC_MODE_TUNNEL;
		MM_DBG("Opened for Tunnel mode encoding\n");
	} else {
		rc = -EACCES;
		goto done;
	}
	/* Settings will be re-config at AUDIO_SET_CONFIG/SBC_ENC_CONFIG,
	 * but at least we need to have initial config
	 */
	audio->channel_mode = AUDREC_CMD_MODE_MONO;
	audio->buffer_size = FRAME_SIZE_SBC;
	audio->samp_rate = 48000;
	audio->enc_type = ENC_TYPE_SBC | audio->mode;
	audio->cfg.bit_allocation = AUDIO_SBC_BA_SNR;
	audio->cfg.mode = AUDIO_SBC_MODE_JSTEREO;
	audio->cfg.number_of_subbands = AUDIO_SBC_BANDS_8;
	audio->cfg.number_of_blocks = AUDIO_SBC_BLOCKS_16;
	audio->cfg.bit_rate = 320000; /* max 512kbps(mono), 320kbs(others) */

	encid = audpreproc_aenc_alloc(audio->enc_type, &audio->module_name,
			&audio->queue_ids);
	if (encid < 0) {
		MM_ERR("No free encoder available\n");
		rc = -ENODEV;
		goto done;
	}
	audio->enc_id = encid;

	rc = msm_adsp_get(audio->module_name, &audio->audrec,
			   &audrec_adsp_ops, audio);

	if (rc) {
		audpreproc_aenc_free(audio->enc_id);
		goto done;
	}

	audio->stopped = 0;
	audio->source = 0;
	audio->abort = 0;
	auda2dp_in_flush(audio);
	audio->device_events = AUDDEV_EVT_DEV_RDY | AUDDEV_EVT_DEV_RLS |
				AUDDEV_EVT_FREQ_CHG;

	rc = auddev_register_evt_listner(audio->device_events,
					AUDDEV_CLNT_ENC, audio->enc_id,
					a2dp_in_listener, (void *) audio);
	if (rc) {
		MM_ERR("failed to register device event listener\n");
		goto evt_error;
	}
	audio->build_id = socinfo_get_build_id();
	MM_DBG("Modem build id = %s\n", audio->build_id);
	file->private_data = audio;
	audio->opened = 1;
	rc = 0;
done:
	mutex_unlock(&audio->lock);
	return rc;
evt_error:
	msm_adsp_put(audio->audrec);
	audpreproc_aenc_free(audio->enc_id);
	mutex_unlock(&audio->lock);
	return rc;
}
Ejemplo n.º 3
0
static int audamrnb_in_open(struct inode *inode, struct file *file)
{
	struct audio_in *audio = &the_audio_amrnb_in;
	int rc;
	int encid;

	mutex_lock(&audio->lock);
	if (audio->opened) {
		rc = -EBUSY;
		goto done;
	}
	audio->phys = allocate_contiguous_ebi_nomap(DMASZ, SZ_4K);
	if (audio->phys) {
		audio->map_v_read = ioremap(audio->phys, DMASZ);
		if (IS_ERR(audio->map_v_read)) {
			MM_ERR("could not map DMA buffers\n");
			rc = -ENOMEM;
			free_contiguous_memory_by_paddr(audio->phys);
			goto done;
		}
		audio->data = audio->map_v_read;
	} else {
		MM_ERR("could not allocate DMA buffers\n");
		rc = -ENOMEM;
		goto done;
	}
	MM_DBG("Memory addr = 0x%8x  phy addr = 0x%8x\n",\
		(int) audio->data, (int) audio->phys);
	if ((file->f_mode & FMODE_WRITE) &&
			(file->f_mode & FMODE_READ)) {
		rc = -EACCES;
		MM_ERR("Non tunnel encoding is not supported\n");
		goto done;
	} else if (!(file->f_mode & FMODE_WRITE) &&
					(file->f_mode & FMODE_READ)) {
		audio->mode = MSM_AUD_ENC_MODE_TUNNEL;
		MM_DBG("Opened for tunnel mode encoding\n");
	} else {
		rc = -EACCES;
		goto done;
	}


	/* Settings will be re-config at AUDIO_SET_CONFIG,
	 * but at least we need to have initial config
	 */
	audio->buffer_size = (FRAME_SIZE - 8);
	audio->enc_type = ENC_TYPE_AMRNB | audio->mode;
	audio->dtx_mode = -1;
	audio->frame_format = 0;
	audio->used_mode = 7; /* Bit Rate 12.2 kbps MR122 */

	encid = audpreproc_aenc_alloc(audio->enc_type, &audio->module_name,
			&audio->queue_ids);
	if (encid < 0) {
		MM_ERR("No free encoder available\n");
		rc = -ENODEV;
		goto done;
	}
	audio->enc_id = encid;

	rc = msm_adsp_get(audio->module_name, &audio->audrec,
			   &audrec_amrnb_adsp_ops, audio);

	if (rc) {
		audpreproc_aenc_free(audio->enc_id);
		goto done;
	}

	audio->stopped = 0;
	audio->source = 0;

	audamrnb_in_flush(audio);

	audio->device_events = AUDDEV_EVT_DEV_RDY | AUDDEV_EVT_DEV_RLS |
				AUDDEV_EVT_VOICE_STATE_CHG;

	audio->voice_state = msm_get_voice_state();
	rc = auddev_register_evt_listner(audio->device_events,
					AUDDEV_CLNT_ENC, audio->enc_id,
					amrnb_in_listener, (void *) audio);
	if (rc) {
		MM_ERR("failed to register device event listener\n");
		goto evt_error;
	}
	audio->build_id = socinfo_get_build_id();
	MM_DBG("Modem build id = %s\n", audio->build_id);

	file->private_data = audio;
	audio->opened = 1;
done:
	mutex_unlock(&audio->lock);
	return rc;
evt_error:
	msm_adsp_put(audio->audrec);
	audpreproc_aenc_free(audio->enc_id);
	mutex_unlock(&audio->lock);
	return rc;
}