Lines Matching defs:dmatx
275 struct pl011_dmatx_data dmatx;
435 uap->dmatx.chan = chan;
438 dma_chan_name(uap->dmatx.chan));
526 if (uap->dmatx.chan)
527 dma_release_channel(uap->dmatx.chan);
543 struct pl011_dmatx_data *dmatx = &uap->dmatx;
548 if (uap->dmatx.queued)
549 dma_unmap_single(dmatx->chan->device->dev, dmatx->dma,
550 dmatx->len, DMA_TO_DEVICE);
567 uap->dmatx.queued = false;
592 struct pl011_dmatx_data *dmatx = &uap->dmatx;
593 struct dma_chan *chan = dmatx->chan;
607 uap->dmatx.queued = false;
622 memcpy(&dmatx->buf[0], &xmit->buf[xmit->tail], count);
631 memcpy(&dmatx->buf[0], &xmit->buf[xmit->tail], first);
633 memcpy(&dmatx->buf[first], &xmit->buf[0], second);
636 dmatx->len = count;
637 dmatx->dma = dma_map_single(dma_dev->dev, dmatx->buf, count,
639 if (dmatx->dma == DMA_MAPPING_ERROR) {
640 uap->dmatx.queued = false;
645 desc = dmaengine_prep_slave_single(chan, dmatx->dma, dmatx->len, DMA_MEM_TO_DEV,
648 dma_unmap_single(dma_dev->dev, dmatx->dma, dmatx->len, DMA_TO_DEVICE);
649 uap->dmatx.queued = false;
670 uap->dmatx.queued = true;
703 if (uap->dmatx.queued) {
729 if (uap->dmatx.queued) {
754 if (!uap->dmatx.queued) {
809 dmaengine_terminate_async(uap->dmatx.chan);
811 if (uap->dmatx.queued) {
812 dma_unmap_single(uap->dmatx.chan->device->dev, uap->dmatx.dma,
813 uap->dmatx.len, DMA_TO_DEVICE);
814 uap->dmatx.queued = false;
1114 if (!uap->dmatx.chan)
1117 uap->dmatx.buf = kmalloc(PL011_DMA_BUFFER_SIZE, GFP_KERNEL | __GFP_DMA);
1118 if (!uap->dmatx.buf) {
1124 uap->dmatx.len = PL011_DMA_BUFFER_SIZE;
1199 dmaengine_terminate_all(uap->dmatx.chan);
1200 if (uap->dmatx.queued) {
1201 dma_unmap_single(uap->dmatx.chan->device->dev,
1202 uap->dmatx.dma, uap->dmatx.len,
1204 uap->dmatx.queued = false;
1207 kfree(uap->dmatx.buf);