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Searched refs:dma_desc (Results 1 – 25 of 36) 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 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);
H A Ddwc-xlgmac-net.c1041 struct xlgmac_dma_desc *dma_desc; in xlgmac_tx_poll() local
1065 dma_desc = desc_data->dma_desc; in xlgmac_tx_poll()
1067 if (!hw_ops->tx_complete(dma_desc)) in xlgmac_tx_poll()
1078 if (hw_ops->is_last_desc(dma_desc)) { in xlgmac_tx_poll()
/linux/drivers/net/ethernet/stmicro/stmmac/
H A Dchain_mode.c25 struct dma_desc *desc; in jumbo_frm()
119 struct dma_desc *p = (struct dma_desc *)des; in init_dma_chain()
121 dma_phy += sizeof(struct dma_desc); in init_dma_chain()
129 static void refill_desc3(struct stmmac_rx_queue *rx_q, struct dma_desc *p) in refill_desc3()
141 sizeof(struct dma_desc))); in refill_desc3()
144 static void clean_desc3(struct stmmac_tx_queue *tx_q, struct dma_desc *p) in clean_desc3()
158 * sizeof(struct dma_desc))); in clean_desc3()
H A Dhwif.h34 struct dma_desc;
41 void (*init_rx_desc)(struct dma_desc *p, int disable_rx_ic,
44 void (*init_tx_desc)(struct dma_desc *p, u8 descriptor_mode, int end);
46 void (*prepare_tx_desc)(struct dma_desc *p, int is_fs, int len,
49 void (*prepare_tso_tx_desc)(struct dma_desc *p, int is_fs, int len1,
53 void (*set_tx_owner)(struct dma_desc *p);
55 void (*release_tx_desc)(struct dma_desc *p, u8 descriptor_mode);
58 void (*set_tx_ic)(struct dma_desc *p);
60 u16 (*get_rx_vlan_tci)(struct dma_desc *p);
62 bool (*get_rx_vlan_valid)(struct dma_desc *p);
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H A Dring_mode.c24 struct dma_desc *desc; in jumbo_frm()
28 desc = (struct dma_desc *)(tx_q->dma_etx + entry); in jumbo_frm()
58 desc = (struct dma_desc *)(tx_q->dma_etx + entry); in jumbo_frm()
100 static void refill_desc3(struct stmmac_rx_queue *rx_q, struct dma_desc *p) in refill_desc3()
110 static void init_desc3(struct dma_desc *p) in init_desc3()
115 static void clean_desc3(struct stmmac_tx_queue *tx_q, struct dma_desc *p) in clean_desc3()
/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/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/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/net/ethernet/broadcom/
H A Db44.h244 struct dma_desc { struct
363 struct dma_desc *rx_ring, *tx_ring;
/linux/drivers/crypto/
H A Dtalitos.c261 dma_addr_t dma_desc, prev_dma_desc; in dma_map_request() local
268 dma_desc = dma_map_single(dev, &edesc->desc.hdr1, in dma_map_request()
273 request->dma_desc = dma_desc; in dma_map_request()
279 prev_edesc->desc.next_desc = cpu_to_be32(dma_desc); in dma_map_request()
287 prev_dma_desc = dma_desc; in dma_map_request()
291 request->dma_desc = dma_map_single(dev, desc, TALITOS_DESC_SIZE, in dma_map_request()
345 upper_32_bits(request->dma_desc)); in talitos_submit()
347 lower_32_bits(request->dma_desc)); in talitos_submit()
358 dma_addr_t dma_desc; in get_request_hdr() local
361 dma_sync_single_for_cpu(dev, request->dma_desc, in get_request_hdr()
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/linux/drivers/net/ethernet/samsung/sxgbe/
H A Dsxgbe_main.c612 int dma_desc; in tx_free_ring_skbufs() local
616 for (dma_desc = 0; dma_desc < tx_rsize; dma_desc++) { in tx_free_ring_skbufs()
617 struct sxgbe_tx_norm_desc *tdesc = txqueue->dma_tx + dma_desc; in tx_free_ring_skbufs()
619 if (txqueue->tx_skbuff_dma[dma_desc]) in tx_free_ring_skbufs()
621 txqueue->tx_skbuff_dma[dma_desc], in tx_free_ring_skbufs()
625 dev_kfree_skb_any(txqueue->tx_skbuff[dma_desc]); in tx_free_ring_skbufs()
626 txqueue->tx_skbuff[dma_desc] = NULL; in tx_free_ring_skbufs()
627 txqueue->tx_skbuff_dma[dma_desc] = 0; in tx_free_ring_skbufs()
/linux/Documentation/driver-api/mmc/
H A Dmmc-async-req.rst90 dma_issue_pending(req->dma_desc);
98 dma_issue_pending(req->dma_desc);
/linux/drivers/net/ethernet/netronome/nfp/nfpcore/
H A Dnfp_nsp.c507 dma_addr_t dma_desc; in nfp_nsp_command_buf_dma_sg() local
579 dma_desc = dma_map_single(dev, desc, desc_sz, DMA_TO_DEVICE); in nfp_nsp_command_buf_dma_sg()
580 ret = dma_mapping_error(dev, dma_desc); in nfp_nsp_command_buf_dma_sg()
585 arg->arg.buf = dma_desc; in nfp_nsp_command_buf_dma_sg()
602 dma_unmap_single(dev, dma_desc, desc_sz, DMA_TO_DEVICE); in nfp_nsp_command_buf_dma_sg()
/linux/drivers/video/fbdev/
H A Dpxafb.h64 struct pxafb_dma_descriptor dma_desc[DMA_MAX * 2]; member

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