C++ (Cpp) q6asm_async_write Examples

Example #1

File: msm-compress-q6-v2.c Project: LGaljo/android_kernel_samsung_s3ve3g

static int msm_compr_send_buffer(struct msm_compr_audio *prtd)
{
	int buffer_length;
	int bytes_available;
	struct audio_aio_write_param param;

	if (!atomic_read(&prtd->start)) {
		pr_err("%s: stream is not in started state\n", __func__);
		return -EINVAL;
	}


	if (atomic_read(&prtd->xrun)) {
		WARN(1, "%s called while xrun is true", __func__);
		return -EPERM;
	}

	pr_debug("%s: bytes_received = %d copied_total = %d\n",
		__func__, prtd->bytes_received, prtd->copied_total);
	if (prtd->first_buffer &&  prtd->gapless_state.use_dsp_gapless_mode)
		q6asm_send_meta_data(prtd->audio_client,
				prtd->gapless_state.initial_samples_drop,
				prtd->gapless_state.trailing_samples_drop);

	buffer_length = prtd->codec_param.buffer.fragment_size;
	bytes_available = prtd->bytes_received - prtd->copied_total;
	if (bytes_available < prtd->codec_param.buffer.fragment_size)
		buffer_length = bytes_available;

	if (prtd->byte_offset + buffer_length > prtd->buffer_size) {
		buffer_length = (prtd->buffer_size - prtd->byte_offset);
		pr_debug("wrap around situation, send partial data %d now", buffer_length);
	}

	if (buffer_length)
		param.paddr	= prtd->buffer_paddr + prtd->byte_offset;
	else
		param.paddr	= prtd->buffer_paddr;
	WARN(param.paddr % 32 != 0, "param.paddr %lx not multiple of 32", param.paddr);

	param.len	= buffer_length;
	param.msw_ts	= 0;
	param.lsw_ts	= 0;
	param.flags	= NO_TIMESTAMP;
	param.uid	= buffer_length;
	param.metadata_len = 0;
	param.last_buffer = prtd->last_buffer;

	pr_debug("%s: sending %d bytes to DSP byte_offset = %d\n",
		__func__, buffer_length, prtd->byte_offset);
	if (q6asm_async_write(prtd->audio_client, &param) < 0) {
		pr_err("%s:q6asm_async_write failed\n", __func__);
	} else {
		if (prtd->first_buffer)
			prtd->first_buffer = 0;
	}

	return 0;
}

Example #2

File: msm-compr-q6.c Project: faux123/pantech_vega_racer_2_kernel

static void compr_event_handler(uint32_t opcode,
		uint32_t token, uint32_t *payload, void *priv)
{
	struct compr_audio *compr = priv;
	struct msm_audio *prtd = &compr->prtd;
	struct snd_pcm_substream *substream = prtd->substream;
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct audio_aio_write_param param;
	struct audio_buffer *buf = NULL;
	int i = 0;

	pr_debug("%s opcode =%08x\n", __func__, opcode);
	switch (opcode) {
	case ASM_DATA_EVENT_WRITE_DONE: {
		uint32_t *ptrmem = (uint32_t *)&param;
		pr_debug("ASM_DATA_EVENT_WRITE_DONE\n");
		pr_debug("Buffer Consumed = 0x%08x\n", *ptrmem);
		prtd->pcm_irq_pos += prtd->pcm_count;
		if (atomic_read(&prtd->start))
			snd_pcm_period_elapsed(substream);
		atomic_inc(&prtd->out_count);
		wake_up(&the_locks.write_wait);
		if (!atomic_read(&prtd->start)) {
			atomic_set(&prtd->pending_buffer, 1);
			break;
		} else
			atomic_set(&prtd->pending_buffer, 0);

		if (runtime->status->hw_ptr >= runtime->control->appl_ptr)
			break;
		buf = prtd->audio_client->port[IN].buf;
		pr_debug("%s:writing %d bytes of buffer[%d] to dsp 2\n",
				__func__, prtd->pcm_count, prtd->out_head);
		pr_debug("%s:writing buffer[%d] from 0x%08x\n",
				__func__, prtd->out_head,
				((unsigned int)buf[0].phys
				+ (prtd->out_head * prtd->pcm_count)));

		param.paddr = (unsigned long)buf[0].phys
				+ (prtd->out_head * prtd->pcm_count);
		param.len = prtd->pcm_count;
		param.msw_ts = 0;
		param.lsw_ts = 0;
		param.flags = NO_TIMESTAMP;
		param.uid =  (unsigned long)buf[0].phys
				+ (prtd->out_head * prtd->pcm_count);
		for (i = 0; i < sizeof(struct audio_aio_write_param)/4;
					i++, ++ptrmem)
			pr_debug("cmd[%d]=0x%08x\n", i, *ptrmem);
		if (q6asm_async_write(prtd->audio_client,
					&param) < 0)
			pr_err("%s:q6asm_async_write failed\n",
				__func__);
		else
			prtd->out_head =
				(prtd->out_head + 1) & (runtime->periods - 1);
		break;
	}
	case ASM_DATA_CMDRSP_EOS:
		pr_debug("ASM_DATA_CMDRSP_EOS\n");
		prtd->cmd_ack = 1;
		wake_up(&the_locks.eos_wait);
		break;
	case APR_BASIC_RSP_RESULT: {
		switch (payload[0]) {
		case ASM_SESSION_CMD_RUN: {
			if (!atomic_read(&prtd->pending_buffer))
				break;
			pr_debug("%s:writing %d bytes"
				" of buffer[%d] to dsp\n",
				__func__, prtd->pcm_count, prtd->out_head);
			buf = prtd->audio_client->port[IN].buf;
			pr_debug("%s:writing buffer[%d] from 0x%08x\n",
				__func__, prtd->out_head,
				((unsigned int)buf[0].phys
				+ (prtd->out_head * prtd->pcm_count)));
			param.paddr = (unsigned long)buf[prtd->out_head].phys;
			param.len = prtd->pcm_count;
			param.msw_ts = 0;
			param.lsw_ts = 0;
			param.flags = NO_TIMESTAMP;
			param.uid =  (unsigned long)buf[prtd->out_head].phys;
			if (q6asm_async_write(prtd->audio_client,
						&param) < 0)
				pr_err("%s:q6asm_async_write failed\n",
					__func__);
			else
				prtd->out_head =
					(prtd->out_head + 1)
					& (runtime->periods - 1);
			atomic_set(&prtd->pending_buffer, 0);
		}
			break;
		case ASM_STREAM_CMD_FLUSH:
			pr_debug("ASM_STREAM_CMD_FLUSH\n");
			prtd->cmd_ack = 1;
			wake_up(&the_locks.eos_wait);
			break;
		default:
			break;
		}
		break;
	}
	default:
		pr_debug("Not Supported Event opcode[0x%x]\n", opcode);
		break;
	}
}