| /openbmc/linux/drivers/net/ethernet/qualcomm/ |
| H A D | qca_7k.c | 48 struct spi_transfer transfer[2]; in qcaspi_read_register() local
52 memset(transfer, 0, sizeof(transfer)); in qcaspi_read_register()
59 transfer[0].tx_buf = &tx_data; in qcaspi_read_register()
60 transfer[0].len = QCASPI_CMD_LEN; in qcaspi_read_register()
61 transfer[1].rx_buf = &rx_data; in qcaspi_read_register()
62 transfer[1].len = QCASPI_CMD_LEN; in qcaspi_read_register()
88 struct spi_transfer transfer[2]; in __qcaspi_write_register() local
92 memset(&transfer, 0, sizeof(transfer)); in __qcaspi_write_register()
99 transfer[0].tx_buf = &tx_data[0]; in __qcaspi_write_register()
100 transfer[0].len = QCASPI_CMD_LEN; in __qcaspi_write_register()
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| H A D | qca_spi.c | 113 memset(&transfer, 0, sizeof(transfer)); in qcaspi_write_burst()
120 transfer[1].len = len; in qcaspi_write_burst()
141 memset(&transfer, 0, sizeof(transfer)); in qcaspi_write_legacy()
144 transfer.tx_buf = src; in qcaspi_write_legacy()
145 transfer.len = len; in qcaspi_write_legacy()
166 memset(&transfer, 0, sizeof(transfer)); in qcaspi_read_burst()
173 transfer[1].len = len; in qcaspi_read_burst()
194 memset(&transfer, 0, sizeof(transfer)); in qcaspi_read_legacy()
197 transfer.rx_buf = dst; in qcaspi_read_legacy()
198 transfer.len = len; in qcaspi_read_legacy()
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| /openbmc/linux/drivers/mtd/devices/ |
| H A D | mchp23k256.c | 76 transfer[0].tx_buf = command; in mchp23k256_write()
77 transfer[0].len = cmd_len; in mchp23k256_write()
80 transfer[1].tx_buf = buf; in mchp23k256_write()
81 transfer[1].len = len; in mchp23k256_write()
112 memset(&transfer, 0, sizeof(transfer)); in mchp23k256_read()
116 transfer[0].tx_buf = command; in mchp23k256_read()
117 transfer[0].len = cmd_len; in mchp23k256_read()
120 transfer[1].rx_buf = buf; in mchp23k256_read()
121 transfer[1].len = len; in mchp23k256_read()
154 transfer.tx_buf = command; in mchp23k256_set_mode()
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| H A D | sst25l.c | 210 struct spi_transfer transfer[2]; in sst25l_read() local
216 memset(&transfer, 0, sizeof(transfer)); in sst25l_read()
223 transfer[0].tx_buf = command; in sst25l_read()
224 transfer[0].len = sizeof(command); in sst25l_read()
225 spi_message_add_tail(&transfer[0], &message); in sst25l_read()
227 transfer[1].rx_buf = buf; in sst25l_read()
228 transfer[1].len = len; in sst25l_read()
229 spi_message_add_tail(&transfer[1], &message); in sst25l_read()
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| /openbmc/linux/drivers/net/wireless/ralink/rt2x00/ |
| H A D | rt2x00crypto.c | 152 unsigned int transfer = 0; in rt2x00crypto_rx_insert_iv() local
194 memmove(skb->data + transfer, in rt2x00crypto_rx_insert_iv()
197 transfer += header_length; in rt2x00crypto_rx_insert_iv()
206 memmove(skb->data + transfer, in rt2x00crypto_rx_insert_iv()
209 transfer += header_length; in rt2x00crypto_rx_insert_iv()
214 transfer += iv_len; in rt2x00crypto_rx_insert_iv()
221 memmove(skb->data + transfer, in rt2x00crypto_rx_insert_iv()
222 skb->data + transfer + align, in rt2x00crypto_rx_insert_iv()
231 transfer += payload_len; in rt2x00crypto_rx_insert_iv()
240 transfer += icv_len; in rt2x00crypto_rx_insert_iv()
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| /openbmc/linux/drivers/usb/image/ |
| H A D | microtek.c | 384 usb_fill_bulk_urb(transfer, in mts_int_submit_urb()
418 mts_transfer_cleanup(transfer); in mts_transfer_done()
427 mts_int_submit_urb(transfer, in mts_get_status()
438 int status = transfer->status; in mts_data_done()
448 mts_get_status(transfer); in mts_data_done()
455 int status = transfer->status; in mts_command_done()
475 mts_int_submit_urb(transfer, in mts_command_done()
481 mts_int_submit_urb(transfer, in mts_command_done()
488 mts_get_status(transfer); in mts_command_done()
495 int status = transfer->status; in mts_do_sg()
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| /openbmc/linux/Documentation/driver-api/dmaengine/ |
| H A D | pxa_dma.rst | 9 A driver submitting a transfer and issuing it should be granted the transfer
11 This implies that the queuing doesn't wait for the previous transfer end,
13 triggered by the end of the transfer.
14 A transfer which is submitted and issued on a phy doesn't wait for a phy to
17 a new transfer.
44 assigned on the fly when the transfer is issued.
46 b) Transfer anatomy for a scatter-gather transfer
64 is the last finished transfer at that point in time.
68 - linker: has ddadr= desc-sg[0] of next transfer, dcmd=0
129 - calling all the transfer callbacks of finished transfers, based on
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| H A D | provider.rst | 25 parameter: the transfer size. At each clock cycle, it would transfer a
36 parameter called the transfer width.
59 transfer, and whenever the transfer is started, the controller will go
73 transfer width and the transfer size.
242 - A cyclic transfer is a transfer where the chunk collection will
280 the DMA_PREP_REPEAT transfer flag, is similar to a cyclic transfer in that
407 particular transfer.
439 and starts the transfer. Whenever that transfer is done, it
606 - If set, the transfer will replace the transfer currently being executed at
607 the end of the transfer.
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| /openbmc/qemu/hw/display/ |
| H A D | virtio-gpu-rutabaga.c | 51 transfer.x = 0; in virtio_gpu_rutabaga_update_cursor()
52 transfer.y = 0; in virtio_gpu_rutabaga_update_cursor()
53 transfer.z = 0; in virtio_gpu_rutabaga_update_cursor()
54 transfer.w = res->width; in virtio_gpu_rutabaga_update_cursor()
56 transfer.d = 1; in virtio_gpu_rutabaga_update_cursor()
248 transfer.x = 0; in rutabaga_cmd_resource_flush()
249 transfer.y = 0; in rutabaga_cmd_resource_flush()
250 transfer.z = 0; in rutabaga_cmd_resource_flush()
253 transfer.d = 1; in rutabaga_cmd_resource_flush()
359 transfer.z = 0; in rutabaga_cmd_transfer_to_host_2d()
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| /openbmc/linux/drivers/spi/ |
| H A D | spi-fsi.c | 306 if (transfer->tx_buf) { in fsi_spi_transfer_data()
310 const u8 *tx = transfer->tx_buf; in fsi_spi_transfer_data()
312 while (transfer->len > sent) { in fsi_spi_transfer_data()
333 } else if (transfer->rx_buf) { in fsi_spi_transfer_data()
336 u8 *rx = transfer->rx_buf; in fsi_spi_transfer_data()
338 while (transfer->len > recv) { in fsi_spi_transfer_data()
355 (int)transfer->len - recv); in fsi_spi_transfer_data()
430 struct spi_transfer *transfer; in fsi_spi_transfer_one_message() local
442 if (!transfer->tx_buf || transfer->len > SPI_FSI_MAX_TX_SIZE) { in fsi_spi_transfer_one_message()
456 len = transfer->len; in fsi_spi_transfer_one_message()
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| H A D | spi-mpc52xx.c | 85 struct spi_transfer *transfer; /* current transfer */ member
118 ms->rx_buf = ms->transfer->rx_buf; in mpc52xx_spi_start_transfer()
119 ms->tx_buf = ms->transfer->tx_buf; in mpc52xx_spi_start_transfer()
120 ms->len = ms->transfer->len; in mpc52xx_spi_start_transfer()
125 ms->cs_change = ms->transfer->cs_change; in mpc52xx_spi_start_transfer()
197 ms->transfer = container_of(ms->message->transfers.next, in mpc52xx_spi_fsmstate_idle()
256 if (ms->transfer->delay.unit == SPI_DELAY_UNIT_USECS) in mpc52xx_spi_fsmstate_transfer()
257 ms->timestamp += ms->transfer->delay.value * in mpc52xx_spi_fsmstate_transfer()
289 ms->message->actual_length += ms->transfer->len; in mpc52xx_spi_fsmstate_wait()
309 ms->transfer = container_of(ms->transfer->transfer_list.next, in mpc52xx_spi_fsmstate_wait()
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| H A D | spi-stm32-qspi.c | 561 struct spi_transfer *transfer; in stm32_qspi_transfer_one_message() local
583 transfer->tx_buf, transfer->tx_nbits, in stm32_qspi_transfer_one_message()
584 transfer->rx_buf, transfer->rx_nbits, in stm32_qspi_transfer_one_message()
585 transfer->len, transfer->dummy_data); in stm32_qspi_transfer_one_message()
592 if (transfer->dummy_data) { in stm32_qspi_transfer_one_message()
594 op.dummy.nbytes = transfer->len; in stm32_qspi_transfer_one_message()
595 dummy_bytes = transfer->len; in stm32_qspi_transfer_one_message()
603 transfer = list_next_entry(transfer, transfer_list); in stm32_qspi_transfer_one_message()
606 op.data.nbytes = transfer->len; in stm32_qspi_transfer_one_message()
608 if (transfer->rx_buf) { in stm32_qspi_transfer_one_message()
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| H A D | spi-pic32.c | 497 struct spi_transfer *transfer) in pic32_spi_one_transfer() argument
507 if (transfer->bits_per_word && in pic32_spi_one_transfer()
516 if (transfer->speed_hz && (transfer->speed_hz != pic32s->speed_hz)) { in pic32_spi_one_transfer()
518 pic32s->speed_hz = transfer->speed_hz; in pic32_spi_one_transfer()
524 if (transfer->rx_sg.nents && transfer->tx_sg.nents) { in pic32_spi_one_transfer()
525 ret = pic32_spi_dma_transfer(pic32s, transfer); in pic32_spi_one_transfer()
535 pic32s->tx = (const void *)transfer->tx_buf; in pic32_spi_one_transfer()
536 pic32s->rx = (const void *)transfer->rx_buf; in pic32_spi_one_transfer()
537 pic32s->tx_end = pic32s->tx + transfer->len; in pic32_spi_one_transfer()
538 pic32s->rx_end = pic32s->rx + transfer->len; in pic32_spi_one_transfer()
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| H A D | spi-hisi-kunpeng.c | 214 static u8 hisi_spi_n_bytes(struct spi_transfer *transfer) in hisi_spi_n_bytes() argument
216 if (transfer->bits_per_word <= 8) in hisi_spi_n_bytes()
218 else if (transfer->bits_per_word <= 16) in hisi_spi_n_bytes()
375 struct spi_device *spi, struct spi_transfer *transfer) in hisi_spi_transfer_one() argument
382 transfer->effective_speed_hz = in hisi_spi_transfer_one()
383 hisi_calc_effective_speed(host, chip, transfer->speed_hz); in hisi_spi_transfer_one()
386 cr |= FIELD_PREP(CR_BPW_MASK, transfer->bits_per_word - 1); in hisi_spi_transfer_one()
391 hs->n_bytes = hisi_spi_n_bytes(transfer); in hisi_spi_transfer_one()
392 hs->tx = transfer->tx_buf; in hisi_spi_transfer_one()
393 hs->tx_len = transfer->len / hs->n_bytes; in hisi_spi_transfer_one()
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| /openbmc/linux/Documentation/devicetree/bindings/dma/ |
| H A D | st,stm32-mdma.yaml | 24 0x2: Source address pointer is incremented after each data transfer
25 0x3: Source address pointer is decremented after each data transfer
28 0x2: Destination address pointer is incremented after each data transfer
29 0x3: Destination address pointer is decremented after each data transfer
40 -bit 25-18: The number of bytes to be transferred in a single transfer
43 0x00: Each MDMA request triggers a buffer transfer (max 128 bytes)
44 0x1: Each MDMA request triggers a block transfer (max 64K bytes)
45 0x2: Each MDMA request triggers a repeated block transfer
46 0x3: Each MDMA request triggers a linked list transfer
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| /openbmc/linux/Documentation/devicetree/bindings/mailbox/ |
| H A D | arm,mhuv2.yaml | 33 - Data-transfer: Each transfer is made of one or more words, using one or more
36 - Doorbell: Each transfer is made up of single bit flag, using any one of the
96 The first field of a tuple signifies the transfer protocol, 0 is reserved
97 for doorbell protocol, and 1 is reserved for data-transfer protocol.
103 windows that implement the doorbell protocol. For data-transfer protocol,
105 the data-transfer protocol.
120 7 windows (separately) used in data-transfer protocol.
135 doorbell, or data-transfer protocol, and the second argument (only
202 mboxes = <&mhu_tx 2 0>, //data-transfer protocol with 5 windows, mhu-tx
203 <&mhu_tx 3 0>, //data-transfer protocol with 7 windows, mhu-tx
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| /openbmc/linux/drivers/usb/gadget/udc/ |
| H A D | max3420_udc.c | 206 memset(&transfer, 0, sizeof(transfer)); in spi_ack_ctrl()
211 transfer.tx_buf = txdata; in spi_ack_ctrl()
212 transfer.len = 1; in spi_ack_ctrl()
225 memset(&transfer, 0, sizeof(transfer)); in spi_rd8_ack()
232 transfer.len = 2; in spi_rd8_ack()
252 memset(&transfer, 0, sizeof(transfer)); in spi_wr8_ack()
260 transfer.len = 2; in spi_wr8_ack()
278 memset(&transfer, 0, sizeof(transfer)); in spi_rd_buf()
285 transfer.len = len + 1; in spi_rd_buf()
300 memset(&transfer, 0, sizeof(transfer)); in spi_wr_buf()
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| /openbmc/linux/drivers/cxl/core/ |
| H A D | memdev.c | 763 struct cxl_mbox_transfer_fw *transfer; in cxl_mem_abort_fw_xfer() local
767 transfer = kzalloc(struct_size(transfer, data, 0), GFP_KERNEL); in cxl_mem_abort_fw_xfer()
768 if (!transfer) in cxl_mem_abort_fw_xfer()
774 .size_in = sizeof(*transfer), in cxl_mem_abort_fw_xfer()
775 .payload_in = transfer, in cxl_mem_abort_fw_xfer()
783 kfree(transfer); in cxl_mem_abort_fw_xfer()
878 if (!transfer) in cxl_fw_write()
885 transfer->slot = mds->fw.next_slot; in cxl_fw_write()
891 transfer->slot = mds->fw.next_slot; in cxl_fw_write()
900 .payload_in = transfer, in cxl_fw_write()
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| /openbmc/linux/Documentation/userspace-api/media/v4l/ |
| H A D | colorspaces-defs.rst | 9 which defines the chromaticities, the default transfer function, the
11 is the transfer function identifier (enum
13 transfer functions. The third is the Y'CbCr encoding identifier (enum
87 - Use the default transfer function as defined by the colorspace.
89 - Use the Rec. 709 transfer function.
91 - Use the sRGB transfer function.
93 - Use the opRGB transfer function.
95 - Use the SMPTE 240M transfer function.
97 - Do not use a transfer function (i.e. use linear RGB values).
99 - Use the DCI-P3 transfer function.
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| /openbmc/linux/drivers/net/wireless/rsi/ |
| H A D | rsi_91x_usb.c | 49 int transfer; in rsi_usb_card_write() local
55 transfer = len; in rsi_usb_card_write()
60 &transfer, in rsi_usb_card_write()
367 u16 transfer; in rsi_usb_read_register_multiple() local
394 count -= transfer; in rsi_usb_read_register_multiple()
395 data += transfer; in rsi_usb_read_register_multiple()
396 addr += transfer; in rsi_usb_read_register_multiple()
417 u16 transfer; in rsi_usb_write_register_multiple() local
434 transfer, in rsi_usb_write_register_multiple()
444 data += transfer; in rsi_usb_write_register_multiple()
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| /openbmc/linux/Documentation/mhi/ |
| H A D | topology.rst | 16 It is however not involved in the actual data transfer as the data transfer
57 * Prepares the device for transfer by calling mhi_prepare_for_transfer.
58 * Initiates data transfer by calling mhi_queue_transfer.
59 * Once the data transfer is finished, calls mhi_unprepare_from_transfer to
60 end data transfer.
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| /openbmc/u-boot/drivers/dma/ |
| H A D | Kconfig | 12 buses that is used to transfer data to and from memory.
20 channels which can either transfer data to/from different devices.
27 DMA transfer by simple copying data between channels.
35 This driver support data transfer from devices to
42 This driver support data transfer between memory
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| /openbmc/linux/Documentation/driver-api/usb/ |
| H A D | error-codes.rst | 13 behave the same except for transfer speed dependent behaviors and the
42 ``-EINVAL`` a) Invalid transfer type specified (or not supported)
43 b) Invalid or unsupported periodic transfer interval
44 c) ISO: attempted to change transfer interval
61 (c) requested data transfer length is invalid: negative
132 to indicate timeout expired before the transfer
140 ``-ECOMM`` During an IN transfer, the host controller
144 ``-ENOSR`` During an OUT transfer, the host controller
161 ``-EXDEV`` ISO transfer only partially completed
196 .. note:: expect also other submit and transfer status codes
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| /openbmc/linux/drivers/iio/adc/ |
| H A D | mcp320x.c | 87 struct spi_transfer transfer[2]; member
400 adc->transfer[0].tx_buf = &adc->tx_buf; in mcp320x_probe()
401 adc->transfer[0].len = sizeof(adc->tx_buf); in mcp320x_probe()
402 adc->transfer[1].rx_buf = adc->rx_buf; in mcp320x_probe()
403 adc->transfer[1].len = DIV_ROUND_UP(chip_info->resolution, 8); in mcp320x_probe()
408 &adc->transfer[1], 1); in mcp320x_probe()
410 spi_message_init_with_transfers(&adc->msg, adc->transfer, in mcp320x_probe()
411 ARRAY_SIZE(adc->transfer)); in mcp320x_probe()
420 adc->transfer[1].len++; in mcp320x_probe()
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| /openbmc/linux/drivers/usb/host/ |
| H A D | max3421-hcd.c | 348 memset(&transfer, 0, sizeof(transfer)); in spi_rd8()
358 transfer.len = 2; in spi_rd8()
374 memset(&transfer, 0, sizeof(transfer)); in spi_wr8()
384 transfer.len = 2; in spi_wr8()
398 memset(transfer, 0, sizeof(transfer)); in spi_rd_buf()
406 transfer[0].len = 1; in spi_rd_buf()
408 transfer[1].rx_buf = buf; in spi_rd_buf()
409 transfer[1].len = len; in spi_rd_buf()
424 memset(transfer, 0, sizeof(transfer)); in spi_wr_buf()
433 transfer[0].len = 1; in spi_wr_buf()
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