Lines Matching +full:stream +full:- +full:mode
4 * SPDX-License-Identifier: Apache-2.0
22 val = (val == max - 1) ? 0 : val + 1; \
79 return -EINVAL; in i2s_get_foramt()
185 int max_off = chan_size - 1; in i2s_copy_from_fifo()
189 for (int off = max_off; off >= 0; off--) { in i2s_copy_from_fifo()
191 *(dst + i * chan_size + (max_off - off)) = in i2s_copy_from_fifo()
236 int max_off = chan_size - 1; in i2s_copy_to_fifo()
241 for (int off = max_off; off >= 0; off--) { in i2s_copy_to_fifo()
244 *(src + i * chan_size + (max_off - off)); in i2s_copy_to_fifo()
269 if (rb->tail == rb->head) { in queue_get()
272 return -ENOMEM; in queue_get()
274 *mem_block = rb->buf[rb->tail].mem_block; in queue_get()
275 *size = rb->buf[rb->tail].size; in queue_get()
276 MODULO_INC(rb->tail, rb->len); in queue_get()
292 head_next = rb->head; in queue_put()
293 MODULO_INC(head_next, rb->len); in queue_put()
295 if (head_next == rb->tail) { in queue_put()
298 return -ENOMEM; in queue_put()
301 rb->buf[rb->head].mem_block = mem_block; in queue_put()
302 rb->buf[rb->head].size = size; in queue_put()
303 rb->head = head_next; in queue_put()
311 const struct i2s_litex_cfg *cfg = dev->config; in i2s_litex_initialize()
312 struct i2s_litex_data *const dev_data = dev->data; in i2s_litex_initialize()
314 k_sem_init(&dev_data->rx.sem, 0, CONFIG_I2S_LITEX_RX_BLOCK_COUNT); in i2s_litex_initialize()
315 k_sem_init(&dev_data->tx.sem, CONFIG_I2S_LITEX_TX_BLOCK_COUNT - 1, in i2s_litex_initialize()
318 cfg->irq_config(dev); in i2s_litex_initialize()
325 struct i2s_litex_data *const dev_data = dev->data; in i2s_litex_configure()
326 const struct i2s_litex_cfg *const cfg = dev->config; in i2s_litex_configure()
327 struct stream *stream; in i2s_litex_configure() local
328 int channels_concatenated = litex_read8(cfg->base + I2S_STATUS_OFFSET); in i2s_litex_configure()
329 int dev_audio_freq = i2s_get_audio_freq(cfg->base); in i2s_litex_configure()
333 stream = &dev_data->rx; in i2s_litex_configure()
336 stream = &dev_data->tx; in i2s_litex_configure()
339 return -ENOSYS; in i2s_litex_configure()
342 return -EINVAL; in i2s_litex_configure()
345 if (stream->state != I2S_STATE_NOT_READY && in i2s_litex_configure()
346 stream->state != I2S_STATE_READY) { in i2s_litex_configure()
348 return -EINVAL; in i2s_litex_configure()
351 if (i2s_cfg->options & I2S_OPT_BIT_CLK_GATED) { in i2s_litex_configure()
352 LOG_ERR("invalid operating mode"); in i2s_litex_configure()
353 return -EINVAL; in i2s_litex_configure()
356 if (i2s_cfg->frame_clk_freq != dev_audio_freq) { in i2s_litex_configure()
360 if (i2s_cfg->channels == 1) { in i2s_litex_configure()
362 } else if (i2s_cfg->channels == 2) { in i2s_litex_configure()
366 return -EINVAL; in i2s_litex_configure()
369 (cfg->fifo_depth * (i2s_cfg->word_size / 8)) / channel_div; in i2s_litex_configure()
371 if (i2s_cfg->block_size < req_buf_s) { in i2s_litex_configure()
374 return -EINVAL; in i2s_litex_configure()
375 } else if (i2s_cfg->block_size != req_buf_s) { in i2s_litex_configure()
381 * structure copied as stream configuration (see below). in i2s_litex_configure()
385 int dev_sample_width = i2s_get_sample_width(cfg->base); in i2s_litex_configure()
387 if (i2s_cfg->word_size != 8U && i2s_cfg->word_size != 16U && in i2s_litex_configure()
388 i2s_cfg->word_size != 24U && i2s_cfg->word_size != 32U && in i2s_litex_configure()
389 i2s_cfg->word_size != dev_sample_width) { in i2s_litex_configure()
391 return -EINVAL; in i2s_litex_configure()
394 int dev_format = i2s_get_foramt(cfg->base); in i2s_litex_configure()
396 if (dev_format != i2s_cfg->format) { in i2s_litex_configure()
398 return -EINVAL; in i2s_litex_configure()
405 return -EINVAL; in i2s_litex_configure()
412 return -EINVAL; in i2s_litex_configure()
415 if (i2s_cfg->word_size != 16) { in i2s_litex_configure()
417 return -EINVAL; in i2s_litex_configure()
422 memcpy(&stream->cfg, i2s_cfg, sizeof(struct i2s_config)); in i2s_litex_configure()
423 stream->cfg.block_size = req_buf_s; in i2s_litex_configure()
425 stream->state = I2S_STATE_READY; in i2s_litex_configure()
432 struct i2s_litex_data *const dev_data = dev->data; in i2s_litex_read()
435 if (dev_data->rx.state == I2S_STATE_NOT_READY) { in i2s_litex_read()
437 return -ENOMEM; in i2s_litex_read()
440 ret = k_sem_take(&dev_data->rx.sem, in i2s_litex_read()
441 SYS_TIMEOUT_MS(dev_data->rx.cfg.timeout)); in i2s_litex_read()
446 return queue_get(&dev_data->rx.mem_block_queue, mem_block, size); in i2s_litex_read()
452 struct i2s_litex_data *const dev_data = dev->data; in i2s_litex_write()
453 const struct i2s_litex_cfg *cfg = dev->config; in i2s_litex_write()
456 if (dev_data->tx.state != I2S_STATE_RUNNING && in i2s_litex_write()
457 dev_data->tx.state != I2S_STATE_READY) { in i2s_litex_write()
459 return -EIO; in i2s_litex_write()
462 ret = k_sem_take(&dev_data->tx.sem, in i2s_litex_write()
463 SYS_TIMEOUT_MS(dev_data->tx.cfg.timeout)); in i2s_litex_write()
468 ret = queue_put(&dev_data->tx.mem_block_queue, mem_block, size); in i2s_litex_write()
473 if (dev_data->tx.state == I2S_STATE_READY) { in i2s_litex_write()
474 i2s_irq_enable(cfg->base, I2S_EV_READY); in i2s_litex_write()
475 dev_data->tx.state = I2S_STATE_RUNNING; in i2s_litex_write()
483 struct i2s_litex_data *const dev_data = dev->data; in i2s_litex_trigger()
484 const struct i2s_litex_cfg *const cfg = dev->config; in i2s_litex_trigger()
485 struct stream *stream; in i2s_litex_trigger() local
488 stream = &dev_data->rx; in i2s_litex_trigger()
490 stream = &dev_data->tx; in i2s_litex_trigger()
492 return -ENOSYS; in i2s_litex_trigger()
495 return -EINVAL; in i2s_litex_trigger()
500 if (stream->state != I2S_STATE_READY) { in i2s_litex_trigger()
502 stream->state); in i2s_litex_trigger()
503 return -EIO; in i2s_litex_trigger()
505 __ASSERT_NO_MSG(stream->mem_block == NULL); in i2s_litex_trigger()
506 i2s_reset_fifo(cfg->base); in i2s_litex_trigger()
507 i2s_enable(cfg->base); in i2s_litex_trigger()
508 i2s_irq_enable(cfg->base, I2S_EV_READY); in i2s_litex_trigger()
509 stream->state = I2S_STATE_RUNNING; in i2s_litex_trigger()
513 if (stream->state != I2S_STATE_RUNNING && in i2s_litex_trigger()
514 stream->state != I2S_STATE_READY) { in i2s_litex_trigger()
516 return -EIO; in i2s_litex_trigger()
518 i2s_disable(cfg->base); in i2s_litex_trigger()
519 i2s_irq_disable(cfg->base, I2S_EV_READY); in i2s_litex_trigger()
520 stream->state = I2S_STATE_READY; in i2s_litex_trigger()
525 return -EINVAL; in i2s_litex_trigger()
535 i2s_clear_pending_irq(cfg->base); in clear_rx_fifo()
541 const struct i2s_litex_cfg *cfg = dev->config; in i2s_litex_isr_rx()
542 struct i2s_litex_data *data = dev->data; in i2s_litex_isr_rx()
543 struct stream *stream = &data->rx; in i2s_litex_isr_rx() local
547 ret = k_mem_slab_alloc(stream->cfg.mem_slab, &stream->mem_block, in i2s_litex_isr_rx()
553 i2s_copy_from_fifo((uint8_t *)stream->mem_block, stream->cfg.block_size, in i2s_litex_isr_rx()
554 stream->cfg.word_size, stream->cfg.channels); in i2s_litex_isr_rx()
555 i2s_clear_pending_irq(cfg->base); in i2s_litex_isr_rx()
557 ret = queue_put(&stream->mem_block_queue, stream->mem_block, in i2s_litex_isr_rx()
558 stream->cfg.block_size); in i2s_litex_isr_rx()
562 "buffer (no space left) - " in i2s_litex_isr_rx()
567 k_sem_give(&stream->sem); in i2s_litex_isr_rx()
573 const struct i2s_litex_cfg *cfg = dev->config; in i2s_litex_isr_tx()
574 struct i2s_litex_data *data = dev->data; in i2s_litex_isr_tx()
576 struct stream *stream = &data->tx; in i2s_litex_isr_tx() local
579 ret = queue_get(&stream->mem_block_queue, &stream->mem_block, in i2s_litex_isr_tx()
582 i2s_irq_disable(cfg->base, I2S_EV_READY); in i2s_litex_isr_tx()
583 stream->state = I2S_STATE_READY; in i2s_litex_isr_tx()
586 k_sem_give(&stream->sem); in i2s_litex_isr_tx()
587 i2s_copy_to_fifo((uint8_t *)stream->mem_block, mem_block_size, in i2s_litex_isr_tx()
588 stream->cfg.word_size, stream->cfg.channels); in i2s_litex_isr_tx()
589 i2s_clear_pending_irq(cfg->base); in i2s_litex_isr_tx()
591 k_mem_slab_free(stream->cfg.mem_slab, stream->mem_block); in i2s_litex_isr_tx()