| /linux/drivers/tty/serial/8250/ |
| A D | 8250_dma.c | 17 struct uart_8250_dma *dma = p->dma; in __dma_tx_complete() local
46 struct uart_8250_dma *dma = p->dma; in __dma_rx_complete() local
64 struct uart_8250_dma *dma = p->dma; in serial8250_tx_dma() local
111 struct uart_8250_dma *dma = p->dma; in serial8250_rx_dma() local
136 struct uart_8250_dma *dma = p->dma; in serial8250_rx_dma_flush() local
148 struct uart_8250_dma *dma = p->dma; in serial8250_request_dma() local
171 dma->fn, dma->rx_param, in serial8250_request_dma()
190 dma->fn, dma->tx_param, in serial8250_request_dma()
226 dma->rx_buf, dma->rx_addr); in serial8250_request_dma()
244 struct uart_8250_dma *dma = p->dma; in serial8250_release_dma() local
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| /linux/drivers/media/platform/xilinx/ |
| A D | xilinx-dma.c | 301 struct xvip_dma *dma = buf->dma; in xvip_dma_complete() local
337 buf->dma = dma; in xvip_dma_buffer_prepare()
366 dma->sgl[0].size = dma->format.width * dma->fmtinfo->bpp; in xvip_dma_buffer_queue()
367 dma->sgl[0].icg = dma->format.bytesperline - dma->sgl[0].size; in xvip_dma_buffer_queue()
690 dma->video.lock = &dma->lock; in xvip_dma_init()
709 dma->queue.lock = &dma->lock; in xvip_dma_init()
710 dma->queue.drv_priv = dma; in xvip_dma_init()
725 dma->dma = dma_request_chan(dma->xdev->dev, name); in xvip_dma_init()
726 if (IS_ERR(dma->dma)) { in xvip_dma_init()
727 ret = PTR_ERR(dma->dma); in xvip_dma_init()
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| /linux/arch/arm/kernel/ |
| A D | dma.c | 59 if (!dma) in request_dma()
71 ret = dma->d_ops->request(chan, dma); in request_dma()
96 if (!dma) in free_dma()
101 dma->d_ops->disable(chan, dma); in free_dma()
107 dma->d_ops->free(chan, dma); in free_dma()
128 dma->sg = sg; in set_dma_sg()
193 dma->d_ops->enable(chan, dma); in enable_dma()
214 dma->d_ops->disable(chan, dma); in disable_dma()
246 ret = dma->d_ops->setspeed(chan, dma, cycle_ns); in set_dma_speed()
257 ret = dma->d_ops->residue(chan, dma); in get_dma_residue()
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| /linux/drivers/media/v4l2-core/ |
| A D | videobuf-dma-sg.c | 147 memset(dma, 0, sizeof(*dma)); in videobuf_dma_init()
291 dma->sglist = videobuf_pages_to_sg(dma->pages, dma->nr_pages, in videobuf_dma_map()
292 dma->offset, dma->size); in videobuf_dma_map()
295 dma->sglist = videobuf_vmalloc_to_sg(dma->vaddr, in videobuf_dma_map()
299 dma->sglist = vmalloc(sizeof(*dma->sglist)); in videobuf_dma_map()
302 sg_dma_address(&dma->sglist[0]) = dma->bus_addr in videobuf_dma_map()
304 dma->sglist[0].offset = dma->bus_addr & ~PAGE_MASK; in videobuf_dma_map()
313 dma->sglen = dma_map_sg(dev, dma->sglist, in videobuf_dma_map()
314 dma->nr_pages, dma->direction); in videobuf_dma_map()
335 dma_unmap_sg(dev, dma->sglist, dma->nr_pages, dma->direction); in videobuf_dma_unmap()
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| /linux/drivers/i2c/busses/ |
| A D | i2c-stm32.c | 21 dma = devm_kzalloc(dev, sizeof(*dma), GFP_KERNEL); in stm32_i2c_dma_request()
22 if (!dma) in stm32_i2c_dma_request()
71 dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx)); in stm32_i2c_dma_request()
73 return dma; in stm32_i2c_dma_request()
87 dma->dma_buf = 0; in stm32_i2c_dma_free()
88 dma->dma_len = 0; in stm32_i2c_dma_free()
109 dma->chan_using = dma->chan_rx; in stm32_i2c_prep_dma_xfer()
113 dma->chan_using = dma->chan_tx; in stm32_i2c_prep_dma_xfer()
121 dma->dma_buf = dma_map_single(chan_dev, buf, dma->dma_len, in stm32_i2c_prep_dma_xfer()
128 txdesc = dmaengine_prep_slave_single(dma->chan_using, dma->dma_buf, in stm32_i2c_prep_dma_xfer()
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| /linux/drivers/misc/bcm-vk/ |
| A D | bcm_vk_sg.c | 63 dma->pages = kmalloc_array(dma->nr_pages, in bcm_vk_dma_alloc()
66 if (!dma->pages) in bcm_vk_dma_alloc()
76 dma->nr_pages, in bcm_vk_dma_alloc()
78 dma->pages); in bcm_vk_dma_alloc()
87 dma->sglen = (dma->nr_pages * sizeof(*sgdata)) + in bcm_vk_dma_alloc()
92 dma->sglen, in bcm_vk_dma_alloc()
93 &dma->handle, in bcm_vk_dma_alloc()
95 if (!dma->sglist) in bcm_vk_dma_alloc()
164 dma->handle, in bcm_vk_dma_alloc()
165 dma->sglen, in bcm_vk_dma_alloc()
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| /linux/drivers/media/pci/netup_unidvb/ |
| A D | netup_unidvb_core.c | 214 (u64)readl(&dma->regs->curr_addr_lo) | dma->high_addr; in netup_dma_interrupt()
224 (u64)(dma->addr_phys + dma->ring_buffer_size)); in netup_dma_interrupt()
236 if (dma->data_size == 0 || dma->data_size > dma->ring_buffer_size) { in netup_dma_interrupt()
238 dma->data_offset = (u32)(dma->addr_last - dma->addr_phys); in netup_dma_interrupt()
241 queue_work(dma->ndev->wq, &dma->work); in netup_dma_interrupt()
551 if (dma->data_offset + dma->data_size > dma->ring_buffer_size) { in netup_unidvb_ring_copy()
561 if (dma->data_offset == dma->ring_buffer_size) in netup_unidvb_ring_copy()
572 if (dma->data_offset == dma->ring_buffer_size) in netup_unidvb_ring_copy()
656 dma = &ndev->dma[num]; in netup_unidvb_dma_init()
673 dma->addr_last = dma->addr_phys; in netup_unidvb_dma_init()
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| /linux/drivers/soc/ti/ |
| A D | knav_dma.c | 365 dma->name, dma->max_tx_chan, dma->max_rx_flow); in knav_dma_debug_show()
554 struct knav_dma_device *dma = chan->dma; in pktdma_init_rx_chan() local
566 struct knav_dma_device *dma = chan->dma; in pktdma_init_tx_chan() local
590 chan->dma = dma; in pktdma_init_chan()
620 dma = devm_kzalloc(kdev->dev, sizeof(*dma), GFP_KERNEL); in dma_init()
621 if (!dma) { in dma_init()
648 dma->reg_global = pktdma_get_regs(dma, node, 0, &size); in dma_init()
656 dma->reg_tx_chan = pktdma_get_regs(dma, node, 1, &size); in dma_init()
661 dma->reg_rx_chan = pktdma_get_regs(dma, node, 2, &size); in dma_init()
720 dma->name, num_chan, dma->max_rx_flow, in dma_init()
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| /linux/drivers/dma/ |
| A D | .built-in.a.cmd | 1 …dma/built-in.a := echo >/dev/null; rm -f drivers/dma/built-in.a; /usr/bin/ccache /home/test/worksp…
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| /linux/drivers/gpu/drm/ |
| A D | drm_dma.c | 63 dev->dma = kzalloc(sizeof(*dev->dma), GFP_KERNEL); in drm_legacy_dma_setup()
64 if (!dev->dma) in drm_legacy_dma_setup()
68 memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0])); in drm_legacy_dma_setup()
83 struct drm_device_dma *dma = dev->dma; in drm_legacy_dma_takedown() local
91 if (!dma) in drm_legacy_dma_takedown()
122 kfree(dma->buflist); in drm_legacy_dma_takedown()
123 kfree(dma->pagelist); in drm_legacy_dma_takedown()
124 kfree(dev->dma); in drm_legacy_dma_takedown()
125 dev->dma = NULL; in drm_legacy_dma_takedown()
158 struct drm_device_dma *dma = dev->dma; in drm_legacy_reclaim_buffers() local
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| /linux/drivers/media/pci/ivtv/ |
| A D | ivtv-udma.c | 55 sg_set_page(&dma->SGlist[map_offset], dma->map[map_offset], len, offset); in ivtv_udma_fill_sg_list()
67 for_each_sg(dma->SGlist, sg, dma->SG_length, i) { in ivtv_udma_fill_sg_array()
102 if (dma->SG_length || dma->page_count) { in ivtv_udma_setup()
104 dma->SG_length, dma->page_count); in ivtv_udma_setup()
134 unpin_user_pages(dma->map, dma->page_count); in ivtv_udma_setup()
140 dma->SG_length = dma_map_sg(&itv->pdev->dev, dma->SGlist, in ivtv_udma_setup()
147 dma->SGarray[dma->SG_length - 1].size |= cpu_to_le32(0x80000000); in ivtv_udma_setup()
165 dma_unmap_sg(&itv->pdev->dev, dma->SGlist, dma->page_count, in ivtv_udma_unmap()
167 dma->SG_length = 0; in ivtv_udma_unmap()
172 unpin_user_pages(dma->map, dma->page_count); in ivtv_udma_unmap()
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| /linux/arch/arm/mach-rpc/ |
| A D | dma.c | 26 struct dma_struct dma; member
58 if (idma->dma.sg) { in iomd_get_next_sg()
77 idma->dma.sg = sg_next(idma->dma.sg); in iomd_get_next_sg()
136 struct iomd_dma *idma = container_of(dma, struct iomd_dma, dma); in iomd_request_dma()
144 struct iomd_dma *idma = container_of(dma, struct iomd_dma, dma); in iomd_free_dma()
157 struct iomd_dma *idma = container_of(dma, struct iomd_dma, dma); in iomd_enable_dma()
169 idma->dma.sg = &idma->dma.buf; in iomd_enable_dma()
171 idma->dma.buf.length = idma->dma.count; in iomd_enable_dma()
173 idma->dma.addr, idma->dma.count, in iomd_enable_dma()
194 struct iomd_dma *idma = container_of(dma, struct iomd_dma, dma); in iomd_disable_dma()
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| /linux/drivers/gpu/drm/nouveau/ |
| A D | nouveau_dma.c | 76 int ip = (chan->dma.ib_put * 2) + chan->dma.ib_base; in nv50_dma_push()
83 chan->dma.ib_put = (chan->dma.ib_put + 1) & chan->dma.ib_max; in nv50_dma_push()
92 chan->dma.ib_free--; in nv50_dma_push()
113 chan->dma.ib_free = get - chan->dma.ib_put; in nv50_dma_push_wait()
115 chan->dma.ib_free += chan->dma.ib_max; in nv50_dma_push_wait()
141 chan->dma.free = chan->dma.max - chan->dma.cur; in nv50_dma_wait()
154 chan->dma.cur = 0; in nv50_dma_wait()
158 chan->dma.free = get - chan->dma.cur - 1; in nv50_dma_wait()
204 chan->dma.free = chan->dma.max - chan->dma.cur; in nouveau_dma_wait()
231 chan->dma.cur = in nouveau_dma_wait()
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| /linux/sound/core/ |
| A D | isadma.c | 34 disable_dma(dma); in snd_dma_program()
35 clear_dma_ff(dma); in snd_dma_program()
40 enable_dma(dma); in snd_dma_program()
56 clear_dma_ff(dma); in snd_dma_disable()
57 disable_dma(dma); in snd_dma_disable()
75 clear_dma_ff(dma); in snd_dma_pointer()
86 enable_dma(dma); in snd_dma_pointer()
102 int dma; member
110 free_dma(p->dma); in __snd_release_dma()
130 free_dma(dma); in snd_devm_request_dma()
[all …]
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| /linux/Documentation/devicetree/bindings/powerpc/fsl/ |
| A D | dma.txt | 29 dma@82a8 {
32 compatible = "fsl,mpc8349-dma", "fsl,elo-dma";
38 dma-channel@0 {
39 compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";
45 dma-channel@80 {
46 compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";
53 compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";
60 compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";
91 dma@21300 {
94 compatible = "fsl,mpc8540-dma", "fsl,eloplus-dma";
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| /linux/drivers/thunderbolt/ |
| A D | dma_port.c | 203 struct tb_dma_port *dma; in dma_port_alloc() local
210 dma = kzalloc(sizeof(*dma), GFP_KERNEL); in dma_port_alloc()
211 if (!dma) in dma_port_alloc()
215 if (!dma->buf) { in dma_port_alloc()
216 kfree(dma); in dma_port_alloc()
220 dma->sw = sw; in dma_port_alloc()
221 dma->port = port; in dma_port_alloc()
224 return dma; in dma_port_alloc()
233 if (dma) { in dma_port_free()
234 kfree(dma->buf); in dma_port_free()
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| /linux/drivers/net/ethernet/ |
| A D | lantiq_xrx200.c | 118 struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc]; in xrx200_flush_dma()
125 ch->dma.desc++; in xrx200_flush_dma()
193 ch->dma.desc_base[ch->dma.desc].addr = mapping; in xrx200_alloc_skb()
197 ch->dma.desc_base[ch->dma.desc].ctl = in xrx200_alloc_skb()
206 struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc]; in xrx200_hw_receive()
214 ch->dma.desc++; in xrx200_hw_receive()
240 struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc]; in xrx200_poll_rx()
309 struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc]; in xrx200_start_xmit()
342 ch->dma.desc++; in xrx200_start_xmit()
384 for (ch_rx->dma.desc = 0; ch_rx->dma.desc < LTQ_DESC_NUM; in xrx200_change_mtu()
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| /linux/drivers/net/ethernet/i825xx/ |
| A D | lib82596.c | 437 struct i596_dma *dma = lp->dma; in i596_display_data() local
443 &dma->scp, dma->scp.sysbus, SWAP32(dma->scp.iscp)); in i596_display_data()
445 &dma->iscp, SWAP32(dma->iscp.stat), SWAP32(dma->iscp.scb)); in i596_display_data()
448 &dma->scb, SWAP16(dma->scb.status), SWAP16(dma->scb.command), in i596_display_data()
449 SWAP16(dma->scb.cmd), SWAP32(dma->scb.rfd)); in i596_display_data()
491 struct i596_dma *dma = lp->dma; in init_rx_bufs() local
563 struct i596_dma *dma = lp->dma; in rebuild_rx_bufs() local
585 struct i596_dma *dma = lp->dma; in init_i596_mem() local
899 struct i596_dma *dma = lp->dma; in i596_add_cmd() local
1136 dma = lp->dma; in i596_interrupt()
[all …]
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| /linux/drivers/vfio/ |
| A D | vfio_iommu_type1.c | 178 else if (start >= dma->iova + dma->size) in vfio_find_dma()
197 if (start < dma->iova + dma->size) { in vfio_find_dma_first_node()
1079 dma_addr_t iova = dma->iova, end = dma->iova + dma->size; in vfio_unmap_unpin()
1250 if (dma && dma->iova != iova) in vfio_iova_dirty_bitmap()
1254 if (dma && dma->iova + dma->size != iova + size) in vfio_iova_dirty_bitmap()
1362 if (dma && dma->iova != iova) in vfio_dma_do_unmap()
1366 if (dma && dma->iova + dma->size != iova + size) in vfio_dma_do_unmap()
1723 while (iova < dma->iova + dma->size) { in vfio_iommu_replay()
1746 while (i < dma->iova + dma->size && in vfio_iommu_replay()
1811 while (iova < dma->iova + dma->size) { in vfio_iommu_replay()
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| /linux/drivers/comedi/drivers/ |
| A D | comedi_isadma.c | 102 struct comedi_isadma_desc *desc = &dma->desc[dma->cur_dma]; in comedi_isadma_poll()
166 dma = kzalloc(sizeof(*dma), GFP_KERNEL); in comedi_isadma_alloc()
167 if (!dma) in comedi_isadma_alloc()
173 dma->desc = desc; in comedi_isadma_alloc()
216 return dma; in comedi_isadma_alloc()
233 if (!dma) in comedi_isadma_free()
236 if (dma->desc) { in comedi_isadma_free()
244 kfree(dma->desc); in comedi_isadma_free()
246 if (dma->chan2 && dma->chan2 != dma->chan) in comedi_isadma_free()
248 if (dma->chan) in comedi_isadma_free()
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| /linux/drivers/crypto/qce/ |
| A D | dma.c | 16 if (IS_ERR(dma->txchan)) in qce_dma_request()
17 return PTR_ERR(dma->txchan); in qce_dma_request()
20 if (IS_ERR(dma->rxchan)) { in qce_dma_request()
21 ret = PTR_ERR(dma->rxchan); in qce_dma_request()
27 if (!dma->result_buf) { in qce_dma_request()
32 dma->ignore_buf = dma->result_buf + QCE_RESULT_BUF_SZ; in qce_dma_request()
36 dma_release_channel(dma->rxchan); in qce_dma_request()
38 dma_release_channel(dma->txchan); in qce_dma_request()
44 dma_release_channel(dma->txchan); in qce_dma_release()
45 dma_release_channel(dma->rxchan); in qce_dma_release()
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| /linux/drivers/block/rsxx/ |
| A D | dma.c | 125 trackers->list[tag].dma = dma; in set_tracker_dma()
233 if (dma->cb) in rsxx_complete_dma()
234 dma->cb(ctrl->card, dma->cb_data, status ? 1 : 0); in rsxx_complete_dma()
280 dma->cmd, dma->laddr, hw_st); in rsxx_handle_dma_error()
328 dma->cmd, dma->laddr, hw_st); in rsxx_handle_dma_error()
439 dma->pg_off, dma->sub_page.cnt << 9, dir); in rsxx_issue_dmas()
606 if (!dma) in rsxx_queue_discard()
640 if (!dma) in rsxx_queue_dma()
654 dir ? 'W' : 'R', dma->laddr, dma->sub_page.off, in rsxx_queue_dma()
655 dma->sub_page.cnt, dma->page, dma->pg_off); in rsxx_queue_dma()
[all …]
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| /linux/drivers/scsi/arm/ |
| A D | cumana_1.c | 64 v=*laddr++; writew(L(v), dma); writew(H(v), dma); in cumanascsi_pwrite()
65 v=*laddr++; writew(L(v), dma); writew(H(v), dma); in cumanascsi_pwrite()
66 v=*laddr++; writew(L(v), dma); writew(H(v), dma); in cumanascsi_pwrite()
130 *laddr++ = readw(dma) | (readw(dma) << 16); in cumanascsi_pread()
131 *laddr++ = readw(dma) | (readw(dma) << 16); in cumanascsi_pread()
132 *laddr++ = readw(dma) | (readw(dma) << 16); in cumanascsi_pread()
133 *laddr++ = readw(dma) | (readw(dma) << 16); in cumanascsi_pread()
134 *laddr++ = readw(dma) | (readw(dma) << 16); in cumanascsi_pread()
135 *laddr++ = readw(dma) | (readw(dma) << 16); in cumanascsi_pread()
136 *laddr++ = readw(dma) | (readw(dma) << 16); in cumanascsi_pread()
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| /linux/sound/pci/cs5535audio/ |
| A D | cs5535audio_pcm.c | 123 &dma->desc_buf) < 0) in cs5535audio_build_dma_packets()
125 dma->period_bytes = dma->periods = 0; in cs5535audio_build_dma_packets()
128 if (dma->periods == periods && dma->period_bytes == period_bytes) in cs5535audio_build_dma_packets()
152 dma->substream = substream; in cs5535audio_build_dma_packets()
154 dma->periods = periods; in cs5535audio_build_dma_packets()
229 dma->desc_buf.area = NULL; in cs5535audio_clear_dma_packets()
230 dma->substream = NULL; in cs5535audio_clear_dma_packets()
247 dma->pcm_open_flag = 1; in snd_cs5535audio_hw_params()
257 if (dma->pcm_open_flag) { in snd_cs5535audio_hw_free()
264 dma->pcm_open_flag = 0; in snd_cs5535audio_hw_free()
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| /linux/sound/pci/au88x0/ |
| A D | au88x0_core.c | 1084 dma->period_real = dma->period_virt = sb; in vortex_adbdma_setstartbuffer()
1205 if (dma->period_virt >= dma->nr_periods) in vortex_adbdma_bufshift()
1206 dma->period_virt -= dma->nr_periods; in vortex_adbdma_bufshift()
1210 adbdma, dma->period_virt, dma->period_real, delta); in vortex_adbdma_bufshift()
1259 return (dma->period_virt + delta) * dma->period_bytes in vortex_adbdma_getlinearpos()
1363 dma->period_real = dma->period_virt = sb; in vortex_wtdma_setstartbuffer()
1475 if (dma->period_virt >= dma->nr_periods) in vortex_wtdma_bufshift()
1476 dma->period_virt -= dma->nr_periods; in vortex_wtdma_bufshift()
1508 temp = (dma->period_virt * dma->period_bytes) + (temp & (dma->period_bytes - 1)); in vortex_wtdma_getlinearpos()
2130 stream->dma = dma; in vortex_adb_allocroute()
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