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Searched refs:dma_desc (Results 1 – 25 of 44) sorted by relevance

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/linux/drivers/dma/
H A Dtegra20-apb-dma.c154 struct tegra_dma_desc *dma_desc; member
267 struct tegra_dma_desc *dma_desc; in tegra_dma_desc_get() local
273 list_for_each_entry(dma_desc, &tdc->free_dma_desc, node) { in tegra_dma_desc_get()
274 if (async_tx_test_ack(&dma_desc->txd) && !dma_desc->cb_count) { in tegra_dma_desc_get()
275 list_del(&dma_desc->node); in tegra_dma_desc_get()
277 dma_desc->txd.flags = 0; in tegra_dma_desc_get()
278 return dma_desc; in tegra_dma_desc_get()
285 dma_desc = kzalloc_obj(*dma_desc, GFP_NOWAIT); in tegra_dma_desc_get()
286 if (!dma_desc) in tegra_dma_desc_get()
289 dma_async_tx_descriptor_init(&dma_desc->txd, &tdc->dma_chan); in tegra_dma_desc_get()
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H A Dtegra186-gpc-dma.c240 struct tegra_dma_desc *dma_desc; member
478 struct tegra_dma_desc *dma_desc = tdc->dma_desc; in tegra_dma_configure_next_sg() local
483 dma_desc->sg_idx++; in tegra_dma_configure_next_sg()
486 if (dma_desc->sg_idx == dma_desc->sg_count) in tegra_dma_configure_next_sg()
487 dma_desc->sg_idx = 0; in tegra_dma_configure_next_sg()
498 ch_regs = &dma_desc->sg_req[dma_desc->sg_idx].ch_regs; in tegra_dma_configure_next_sg()
512 struct tegra_dma_desc *dma_desc = tdc->dma_desc; in tegra_dma_start() local
516 if (!dma_desc) { in tegra_dma_start()
521 dma_desc = vd_to_tegra_dma_desc(vdesc); in tegra_dma_start()
523 dma_desc->tdc = tdc; in tegra_dma_start()
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H A Dtimb_dma.c145 static int td_fill_desc(struct timb_dma_chan *td_chan, u8 *dma_desc, in td_fill_desc() argument
161 dma_desc, (unsigned long long)sg_dma_address(sg)); in td_fill_desc()
163 dma_desc[7] = (sg_dma_address(sg) >> 24) & 0xff; in td_fill_desc()
164 dma_desc[6] = (sg_dma_address(sg) >> 16) & 0xff; in td_fill_desc()
165 dma_desc[5] = (sg_dma_address(sg) >> 8) & 0xff; in td_fill_desc()
166 dma_desc[4] = (sg_dma_address(sg) >> 0) & 0xff; in td_fill_desc()
168 dma_desc[3] = (sg_dma_len(sg) >> 8) & 0xff; in td_fill_desc()
169 dma_desc[2] = (sg_dma_len(sg) >> 0) & 0xff; in td_fill_desc()
171 dma_desc[1] = 0x00; in td_fill_desc()
172 dma_desc[0] = 0x21 | (last ? 0x02 : 0); /* tran, valid */ in td_fill_desc()
/linux/sound/soc/bcm/
H A Dbcm63xx-pcm-whistler.c48 struct i2s_dma_desc *dma_desc; in bcm63xx_pcm_hw_params() local
51 dma_desc = kzalloc_obj(*dma_desc, GFP_NOWAIT); in bcm63xx_pcm_hw_params()
52 if (!dma_desc) in bcm63xx_pcm_hw_params()
55 snd_soc_dai_set_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream, dma_desc); in bcm63xx_pcm_hw_params()
63 struct i2s_dma_desc *dma_desc; in bcm63xx_pcm_hw_free() local
66 dma_desc = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream); in bcm63xx_pcm_hw_free()
67 kfree(dma_desc); in bcm63xx_pcm_hw_free()
144 struct i2s_dma_desc *dma_desc; in bcm63xx_pcm_prepare() local
151 dma_desc in bcm63xx_pcm_prepare()
240 struct i2s_dma_desc *dma_desc; i2s_dma_isr() local
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/linux/drivers/net/ethernet/synopsys/
H A Ddwc-xlgmac-hw.c29 static int xlgmac_tx_complete(struct xlgmac_dma_desc *dma_desc) in xlgmac_tx_complete() argument
31 return !XLGMAC_GET_REG_BITS_LE(dma_desc->desc3, in xlgmac_tx_complete()
708 struct xlgmac_dma_desc *dma_desc; in xlgmac_dev_xmit() local
759 dma_desc = desc_data->dma_desc; in xlgmac_dev_xmit()
769 dma_desc->desc2 = XLGMAC_SET_REG_BITS_LE( in xlgmac_dev_xmit()
770 dma_desc->desc2, in xlgmac_dev_xmit()
776 dma_desc->desc3 = XLGMAC_SET_REG_BITS_LE( in xlgmac_dev_xmit()
777 dma_desc->desc3, in xlgmac_dev_xmit()
783 dma_desc->desc3 = XLGMAC_SET_REG_BITS_LE( in xlgmac_dev_xmit()
784 dma_desc->desc3, in xlgmac_dev_xmit()
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H A Ddwc-xlgmac-common.c289 struct xlgmac_dma_desc *dma_desc; in xlgmac_dump_tx_desc() local
293 dma_desc = desc_data->dma_desc; in xlgmac_dump_tx_desc()
296 desc_data->dma_desc, &desc_data->dma_desc_addr); in xlgmac_dump_tx_desc()
300 le32_to_cpu(dma_desc->desc0), in xlgmac_dump_tx_desc()
301 le32_to_cpu(dma_desc->desc1), in xlgmac_dump_tx_desc()
302 le32_to_cpu(dma_desc->desc2), in xlgmac_dump_tx_desc()
303 le32_to_cpu(dma_desc->desc3)); in xlgmac_dump_tx_desc()
314 struct xlgmac_dma_desc *dma_desc; in xlgmac_dump_rx_desc() local
317 dma_desc = desc_data->dma_desc; in xlgmac_dump_rx_desc()
320 desc_data->dma_desc, &desc_data->dma_desc_addr); in xlgmac_dump_rx_desc()
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H A Ddwc-xlgmac-desc.c421 struct xlgmac_dma_desc *dma_desc; in xlgmac_tx_desc_init() local
433 dma_desc = ring->dma_desc_head; in xlgmac_tx_desc_init()
439 desc_data->dma_desc = dma_desc; in xlgmac_tx_desc_init()
442 dma_desc++; in xlgmac_tx_desc_init()
458 struct xlgmac_dma_desc *dma_desc; in xlgmac_rx_desc_init() local
470 dma_desc = ring->dma_desc_head; in xlgmac_rx_desc_init()
476 desc_data->dma_desc = dma_desc; in xlgmac_rx_desc_init()
482 dma_desc++; in xlgmac_rx_desc_init()
H A Ddwc-xlgmac.h286 struct xlgmac_dma_desc *dma_desc; member
400 int (*tx_complete)(struct xlgmac_dma_desc *dma_desc);
432 int (*is_last_desc)(struct xlgmac_dma_desc *dma_desc);
433 int (*is_context_desc)(struct xlgmac_dma_desc *dma_desc);
/linux/drivers/net/ethernet/stmicro/stmmac/
H A Dchain_mode.c25 struct dma_desc *desc; in jumbo_frm()
118 struct dma_desc *p = (struct dma_desc *)des; in init_dma_chain()
120 dma_phy += sizeof(struct dma_desc); in init_dma_chain()
128 static void refill_desc3(struct stmmac_rx_queue *rx_q, struct dma_desc *p) in refill_desc3()
140 sizeof(struct dma_desc))); in refill_desc3()
143 static void clean_desc3(struct stmmac_tx_queue *tx_q, struct dma_desc *p) in clean_desc3()
157 * sizeof(struct dma_desc))); in clean_desc3()
H A Dstmmac.h71 struct dma_desc *dma_tx;
101 struct dma_desc *desc;
102 struct dma_desc *ndesc;
107 struct dma_desc *tx_desc;
115 struct dma_desc *desc;
127 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
H A Dstmmac_main.c373 return sizeof(struct dma_desc); in stmmac_get_tx_desc_size()
376 static struct dma_desc *stmmac_get_tx_desc(struct stmmac_priv *priv, in stmmac_get_tx_desc()
406 return sizeof(struct dma_desc); in stmmac_get_rx_desc_size()
409 static struct dma_desc *stmmac_get_rx_desc(struct stmmac_priv *priv, in stmmac_get_rx_desc()
427 u32 rx_tail_addr = rx_q->dma_rx_phy + index * sizeof(struct dma_desc); in stmmac_set_queue_rx_tail_ptr()
534 struct dma_desc *p, struct sk_buff *skb) in stmmac_get_tx_hwtstamp()
576 static void stmmac_get_rx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p, in stmmac_get_rx_hwtstamp()
577 struct dma_desc *np, struct sk_buff *skb) in stmmac_get_rx_hwtstamp()
580 struct dma_desc *desc = p; in stmmac_get_rx_hwtstamp()
1583 struct dma_desc *desc; in stmmac_clear_rx_descriptors()
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/linux/drivers/usb/dwc2/
H A Dhcd_ddma.c516 struct dwc2_dma_desc *dma_desc = &qh->desc_list[idx]; in dwc2_fill_host_isoc_dma_desc() local
519 memset(dma_desc, 0, sizeof(*dma_desc)); in dwc2_fill_host_isoc_dma_desc()
527 dma_desc->buf = (u32)(qtd->urb->dma + frame_desc->offset); in dwc2_fill_host_isoc_dma_desc()
528 dma_desc->status = qh->n_bytes[idx] << HOST_DMA_ISOC_NBYTES_SHIFT & in dwc2_fill_host_isoc_dma_desc()
532 dma_desc->status |= HOST_DMA_A; in dwc2_fill_host_isoc_dma_desc()
540 dma_desc->status |= HOST_DMA_IOC; in dwc2_fill_host_isoc_dma_desc()
664 struct dwc2_dma_desc *dma_desc = &qh->desc_list[n_desc]; in dwc2_fill_host_dma_desc() local
684 dma_desc->status = len << HOST_DMA_NBYTES_SHIFT & HOST_DMA_NBYTES_MASK; in dwc2_fill_host_dma_desc()
689 dma_desc->status |= HOST_DMA_SUP; in dwc2_fill_host_dma_desc()
691 dma_desc->buf = (u32)chan->xfer_dma; in dwc2_fill_host_dma_desc()
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/linux/drivers/soc/tegra/fuse/
H A Dfuse-tegra20.c45 struct dma_async_tx_descriptor *dma_desc; in tegra20_fuse_read() local
62 dma_desc = dmaengine_prep_slave_single(fuse->apbdma.chan, in tegra20_fuse_read()
66 if (!dma_desc) in tegra20_fuse_read()
69 dma_desc->callback = apb_dma_complete; in tegra20_fuse_read()
70 dma_desc->callback_param = fuse; in tegra20_fuse_read()
74 dmaengine_submit(dma_desc); in tegra20_fuse_read()
/linux/drivers/comedi/drivers/
H A Dgsc_hpdi.c125 struct plx_dma_desc *dma_desc; member
154 start = le32_to_cpu(devpriv->dma_desc[idx].pci_start_addr); in gsc_hpdi_drain_dma()
169 start = le32_to_cpu(devpriv->dma_desc[idx].pci_start_addr); in gsc_hpdi_drain_dma()
428 devpriv->dma_desc[i].pci_start_addr = in gsc_hpdi_setup_dma_descriptors()
430 devpriv->dma_desc[i].local_start_addr = cpu_to_le32(FIFO_REG); in gsc_hpdi_setup_dma_descriptors()
431 devpriv->dma_desc[i].transfer_size = cpu_to_le32(len); in gsc_hpdi_setup_dma_descriptors()
432 devpriv->dma_desc[i].next = cpu_to_le32((phys_addr + in gsc_hpdi_setup_dma_descriptors()
433 (i + 1) * sizeof(devpriv->dma_desc[0])) | next_bits); in gsc_hpdi_setup_dma_descriptors()
446 devpriv->dma_desc[i - 1].next = cpu_to_le32(phys_addr | next_bits); in gsc_hpdi_setup_dma_descriptors()
496 if (devpriv->dma_desc) in gsc_hpdi_free_dma()
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/linux/drivers/mtd/nand/
H A Dqpic_common.c157 struct dma_async_tx_descriptor *dma_desc; in qcom_prepare_bam_async_desc() local
194 dma_desc = dmaengine_prep_slave_sg(chan, sgl, sgl_cnt, dir_eng, in qcom_prepare_bam_async_desc()
197 if (!dma_desc) { in qcom_prepare_bam_async_desc()
204 desc->dma_desc = dma_desc; in qcom_prepare_bam_async_desc()
208 bam_txn->last_cmd_desc = dma_desc; in qcom_prepare_bam_async_desc()
210 bam_txn->last_data_desc = dma_desc; in qcom_prepare_bam_async_desc()
360 struct dma_async_tx_descriptor *dma_desc; in qcom_prep_adm_dma_desc() local
414 dma_desc = dmaengine_prep_slave_sg(nandc->chan, sgl, 1, dir_eng, 0); in qcom_prep_adm_dma_desc()
415 if (!dma_desc) { in qcom_prep_adm_dma_desc()
421 desc->dma_desc = dma_desc; in qcom_prep_adm_dma_desc()
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/linux/drivers/usb/musb/
H A Dmusb_cppi41.c149 struct dma_async_tx_descriptor *dma_desc; in cppi41_trans_done() local
162 dma_desc = dmaengine_prep_slave_single(dc, in cppi41_trans_done()
167 if (WARN_ON(!dma_desc)) in cppi41_trans_done()
170 dma_desc->callback_result = cppi41_dma_callback; in cppi41_trans_done()
171 dma_desc->callback_param = &cppi41_channel->channel; in cppi41_trans_done()
172 cppi41_channel->cookie = dma_desc->tx_submit(dma_desc); in cppi41_trans_done()
418 struct dma_async_tx_descriptor *dma_desc; in cppi41_configure_channel() local
465 dma_desc = dmaengine_prep_slave_single(dc, dma_addr, len, direction, in cppi41_configure_channel()
467 if (!dma_desc) in cppi41_configure_channel()
470 dma_desc->callback_result = cppi41_dma_callback; in cppi41_configure_channel()
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H A Dux500_dma.c77 struct dma_async_tx_descriptor *dma_desc; in ux500_configure_channel() local
114 dma_desc = dmaengine_prep_slave_sg(dma_chan, &sg, 1, direction, in ux500_configure_channel()
116 if (!dma_desc) in ux500_configure_channel()
119 dma_desc->callback = ux500_dma_callback; in ux500_configure_channel()
120 dma_desc->callback_param = channel; in ux500_configure_channel()
121 ux500_channel->cookie = dma_desc->tx_submit(dma_desc); in ux500_configure_channel()
H A Dtusb6010_omap.c196 struct dma_async_tx_descriptor *dma_desc; in tusb_omap_dma_program() local
303 dma_desc = dmaengine_prep_slave_single(dma_data->chan, dma_addr, in tusb_omap_dma_program()
306 if (!dma_desc) { in tusb_omap_dma_program()
311 dma_desc->callback = tusb_omap_dma_cb; in tusb_omap_dma_program()
312 dma_desc->callback_param = channel; in tusb_omap_dma_program()
313 dmaengine_submit(dma_desc); in tusb_omap_dma_program()
/linux/arch/mips/include/asm/mach-rc32434/
H A Ddma.h23 struct dma_desc { struct
30 #define DMA_DESC_SIZ sizeof(struct dma_desc) argument
/linux/drivers/video/fbdev/
H A Dpxafb.c1054 struct pxafb_dma_descriptor *dma_desc, *pal_desc; in setup_frame_dma() local
1060 dma_desc = &fbi->dma_buff->dma_desc[dma]; in setup_frame_dma()
1061 dma_desc_off = offsetof(struct pxafb_dma_buff, dma_desc[dma]); in setup_frame_dma()
1063 dma_desc->fsadr = start; in setup_frame_dma()
1064 dma_desc->fidr = 0; in setup_frame_dma()
1065 dma_desc->ldcmd = size; in setup_frame_dma()
1068 dma_desc->fdadr = fbi->dma_buff_phys + dma_desc_off; in setup_frame_dma()
1086 dma_desc->fdadr = fbi->dma_buff_phys + pal_desc_off; in setup_frame_dma()
1118 struct pxafb_dma_descriptor *dma_desc; in setup_smart_dma() local
1121 dma_desc = &fbi->dma_buff->dma_desc[DMA_CMD]; in setup_smart_dma()
[all …]
/linux/drivers/net/ethernet/
H A Dkorina.c249 struct dma_desc { struct
319 #define RD_RING_SIZE (KORINA_NUM_RDS * sizeof(struct dma_desc))
320 #define TD_RING_SIZE (KORINA_NUM_TDS * sizeof(struct dma_desc))
339 struct dma_desc *td_ring; /* transmit descriptor ring */
340 struct dma_desc *rd_ring; /* receive descriptor ring */
380 return lp->td_dma + (idx * sizeof(struct dma_desc)); in korina_tx_dma()
385 return lp->rd_dma + (idx * sizeof(struct dma_desc)); in korina_rx_dma()
425 struct dma_desc *td; in korina_send_packet()
599 struct dma_desc *rd = &lp->rd_ring[lp->rx_next_done]; in korina_rx()
767 struct dma_desc *td = &lp->td_ring[lp->tx_next_done]; in korina_tx()
/linux/drivers/mmc/host/
H A Dbcm2835.c186 struct dma_async_tx_descriptor *dma_desc; member
513 host->dma_desc = desc; in bcm2835_prepare_dma()
520 dmaengine_submit(host->dma_desc); in bcm2835_start_dma()
529 if (host->dma_desc) { in bcm2835_set_transfer_irqs()
555 if (!host->dma_desc) { in bcm2835_prepare_data()
605 host->dma_desc = NULL; in bcm2835_finish_request()
801 if (host->data && host->dma_desc) in bcm2835_finish_command()
960 if (!host->dma_desc) { in bcm2835_block_irq()
1215 if (host->data && host->dma_desc) { in bcm2835_request()
1403 host->dma_desc = NULL; in bcm2835_probe()
/linux/drivers/net/ethernet/broadcom/
H A Db44.h244 struct dma_desc { struct
363 struct dma_desc *rx_ring, *tx_ring;
H A Db44.c67 #define B44_RX_RING_BYTES (sizeof(struct dma_desc) * \
71 #define B44_TX_RING_BYTES (sizeof(struct dma_desc) * \
598 cur /= sizeof(struct dma_desc); in b44_tx()
635 struct dma_desc *dp; in b44_alloc_rx_skb()
710 struct dma_desc *src_desc, *dest_desc; in b44_recycle_rx()
761 prod /= sizeof(struct dma_desc); in b44_rx()
836 bw32(bp, B44_DMARX_PTR, cons * sizeof(struct dma_desc)); in b44_rx()
1017 bw32(bp, B44_DMATX_PTR, entry * sizeof(struct dma_desc)); in b44_start_xmit()
1019 bw32(bp, B44_DMATX_PTR, entry * sizeof(struct dma_desc)); in b44_start_xmit()
1186 struct dma_desc *rx_ring; in b44_alloc_consistent()
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/linux/drivers/net/ethernet/samsung/sxgbe/
H A Dsxgbe_main.c613 int dma_desc; in tx_free_ring_skbufs() local
617 for (dma_desc = 0; dma_desc < tx_rsize; dma_desc++) { in tx_free_ring_skbufs()
618 struct sxgbe_tx_norm_desc *tdesc = txqueue->dma_tx + dma_desc; in tx_free_ring_skbufs()
620 if (txqueue->tx_skbuff_dma[dma_desc]) in tx_free_ring_skbufs()
622 txqueue->tx_skbuff_dma[dma_desc], in tx_free_ring_skbufs()
626 dev_kfree_skb_any(txqueue->tx_skbuff[dma_desc]); in tx_free_ring_skbufs()
627 txqueue->tx_skbuff[dma_desc] = NULL; in tx_free_ring_skbufs()
628 txqueue->tx_skbuff_dma[dma_desc] = 0; in tx_free_ring_skbufs()

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