| /Linux-v5.10/drivers/net/ethernet/qualcomm/ |
| 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()
64 spi_message_add_tail(&transfer[0], &msg); in qcaspi_read_register()
70 spi_message_add_tail(&transfer[1], &msg); 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()
[all …]
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| D | qca_spi.c | 109 struct spi_transfer transfer[2]; in qcaspi_write_burst() local
112 memset(&transfer, 0, sizeof(transfer)); in qcaspi_write_burst()
116 transfer[0].tx_buf = &cmd; in qcaspi_write_burst()
117 transfer[0].len = QCASPI_CMD_LEN; in qcaspi_write_burst()
118 transfer[1].tx_buf = src; in qcaspi_write_burst()
119 transfer[1].len = len; in qcaspi_write_burst()
121 spi_message_add_tail(&transfer[0], &msg); in qcaspi_write_burst()
122 spi_message_add_tail(&transfer[1], &msg); in qcaspi_write_burst()
137 struct spi_transfer transfer; in qcaspi_write_legacy() local
140 memset(&transfer, 0, sizeof(transfer)); in qcaspi_write_legacy()
[all …]
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| /Linux-v5.10/drivers/mtd/devices/ |
| D | mchp23k256.c | 64 struct spi_transfer transfer[2] = {}; in mchp23k256_write() local
76 transfer[0].tx_buf = command; in mchp23k256_write()
77 transfer[0].len = cmd_len; in mchp23k256_write()
78 spi_message_add_tail(&transfer[0], &message); in mchp23k256_write()
80 transfer[1].tx_buf = buf; in mchp23k256_write()
81 transfer[1].len = len; in mchp23k256_write()
82 spi_message_add_tail(&transfer[1], &message); in mchp23k256_write()
103 struct spi_transfer transfer[2] = {}; in mchp23k256_read() local
112 memset(&transfer, 0, sizeof(transfer)); in mchp23k256_read()
116 transfer[0].tx_buf = command; in mchp23k256_read()
[all …]
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| 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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| /Linux-v5.10/drivers/staging/kpc2000/ |
| D | kpc2000_spi.c | 205 kp_spi_txrx_pio(struct spi_device *spidev, struct spi_transfer *transfer) in kp_spi_txrx_pio() argument
208 unsigned int count = transfer->len; in kp_spi_txrx_pio()
213 u8 *rx = transfer->rx_buf; in kp_spi_txrx_pio()
214 const u8 *tx = transfer->tx_buf; in kp_spi_txrx_pio()
292 struct spi_transfer *transfer; in kp_spi_transfer_one_message() local
308 list_for_each_entry(transfer, &m->transfers, transfer_list) { in kp_spi_transfer_one_message()
309 const void *tx_buf = transfer->tx_buf; in kp_spi_transfer_one_message()
310 void *rx_buf = transfer->rx_buf; in kp_spi_transfer_one_message()
311 unsigned int len = transfer->len; in kp_spi_transfer_one_message()
313 if (transfer->speed_hz > KP_SPI_CLK || in kp_spi_transfer_one_message()
[all …]
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| /Linux-v5.10/drivers/net/wireless/ralink/rt2x00/ |
| D | rt2x00crypto.c | 152 unsigned int transfer = 0; in rt2x00crypto_rx_insert_iv() local
194 memmove(skb->data + transfer, in rt2x00crypto_rx_insert_iv()
195 skb->data + transfer + (iv_len - align), in rt2x00crypto_rx_insert_iv()
197 transfer += header_length; in rt2x00crypto_rx_insert_iv()
206 memmove(skb->data + transfer, in rt2x00crypto_rx_insert_iv()
207 skb->data + transfer + iv_len + align, in rt2x00crypto_rx_insert_iv()
209 transfer += header_length; in rt2x00crypto_rx_insert_iv()
213 memcpy(skb->data + transfer, rxdesc->iv, iv_len); in rt2x00crypto_rx_insert_iv()
214 transfer += iv_len; in rt2x00crypto_rx_insert_iv()
221 memmove(skb->data + transfer, in rt2x00crypto_rx_insert_iv()
[all …]
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| /Linux-v5.10/drivers/usb/image/ |
| D | microtek.c | 187 MTS_DEBUG("transfer = 0x%x context = 0x%x\n",(int)transfer,(int)context ); \
188 …status = 0x%x data-length = 0x%x sent = 0x%x\n",transfer->status,(int)context->data_length, (int)t…
204 struct mts_transfer_context* context = (struct mts_transfer_context*)transfer->context; \
363 static void mts_transfer_cleanup( struct urb *transfer );
364 static void mts_do_sg(struct urb * transfer);
367 void mts_int_submit_urb (struct urb* transfer, in mts_int_submit_urb() argument
380 usb_fill_bulk_urb(transfer, in mts_int_submit_urb()
389 res = usb_submit_urb( transfer, GFP_ATOMIC ); in mts_int_submit_urb()
393 mts_transfer_cleanup(transfer); in mts_int_submit_urb()
398 static void mts_transfer_cleanup( struct urb *transfer ) in mts_transfer_cleanup() argument
[all …]
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| /Linux-v5.10/drivers/spi/ |
| D | spi-fsi.c | 266 struct spi_transfer *transfer) in fsi_spi_sequence_transfer() argument
273 u8 len = min(transfer->len, 8U); in fsi_spi_sequence_transfer()
274 u8 rem = transfer->len % len; in fsi_spi_sequence_transfer()
277 loops = transfer->len / len; in fsi_spi_sequence_transfer()
279 if (transfer->tx_buf) { in fsi_spi_sequence_transfer()
285 } else if (transfer->rx_buf) { in fsi_spi_sequence_transfer()
317 if (transfer->rx_buf) in fsi_spi_sequence_transfer()
337 struct spi_transfer *transfer) in fsi_spi_transfer_data() argument
343 if (transfer->tx_buf) { in fsi_spi_transfer_data()
347 const u8 *tx = transfer->tx_buf; in fsi_spi_transfer_data()
[all …]
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| D | spi-cadence.c | 247 struct spi_transfer *transfer) in cdns_spi_config_clock_freq() argument
258 if (xspi->speed_hz != transfer->speed_hz) { in cdns_spi_config_clock_freq()
262 (frequency / (2 << baud_rate_val)) > transfer->speed_hz) in cdns_spi_config_clock_freq()
285 struct spi_transfer *transfer) in cdns_spi_setup_transfer() argument
289 cdns_spi_config_clock_freq(spi, transfer); in cdns_spi_setup_transfer()
411 struct spi_transfer *transfer) in cdns_transfer_one() argument
415 xspi->txbuf = transfer->tx_buf; in cdns_transfer_one()
416 xspi->rxbuf = transfer->rx_buf; in cdns_transfer_one()
417 xspi->tx_bytes = transfer->len; in cdns_transfer_one()
418 xspi->rx_bytes = transfer->len; in cdns_transfer_one()
[all …]
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| D | spi-mpc52xx.c | 81 struct spi_transfer *transfer; /* current transfer */ member
113 ms->rx_buf = ms->transfer->rx_buf; in mpc52xx_spi_start_transfer()
114 ms->tx_buf = ms->transfer->tx_buf; in mpc52xx_spi_start_transfer()
115 ms->len = ms->transfer->len; in mpc52xx_spi_start_transfer()
120 ms->cs_change = ms->transfer->cs_change; in mpc52xx_spi_start_transfer()
192 ms->transfer = container_of(ms->message->transfers.next, in mpc52xx_spi_fsmstate_idle()
251 ms->timestamp += ms->transfer->delay_usecs * tb_ticks_per_usec; in mpc52xx_spi_fsmstate_transfer()
282 ms->message->actual_length += ms->transfer->len; in mpc52xx_spi_fsmstate_wait()
287 if (ms->transfer->transfer_list.next == &ms->message->transfers) { in mpc52xx_spi_fsmstate_wait()
302 ms->transfer = container_of(ms->transfer->transfer_list.next, in mpc52xx_spi_fsmstate_wait()
[all …]
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| D | spi-pic32.c | 498 struct spi_transfer *transfer) in pic32_spi_one_transfer() argument
508 if (transfer->bits_per_word && in pic32_spi_one_transfer()
509 (transfer->bits_per_word != pic32s->bits_per_word)) { in pic32_spi_one_transfer()
510 ret = pic32_spi_set_word_size(pic32s, transfer->bits_per_word); in pic32_spi_one_transfer()
513 pic32s->bits_per_word = transfer->bits_per_word; in pic32_spi_one_transfer()
517 if (transfer->speed_hz && (transfer->speed_hz != pic32s->speed_hz)) { in pic32_spi_one_transfer()
518 pic32_spi_set_clk_rate(pic32s, transfer->speed_hz); in pic32_spi_one_transfer()
519 pic32s->speed_hz = transfer->speed_hz; in pic32_spi_one_transfer()
525 if (transfer->rx_sg.nents && transfer->tx_sg.nents) { in pic32_spi_one_transfer()
526 ret = pic32_spi_dma_transfer(pic32s, transfer); in pic32_spi_one_transfer()
[all …]
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| /Linux-v5.10/Documentation/driver-api/dmaengine/ |
| 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.
20 Any issued transfer with DMA_PREP_INTERRUPT should trigger a callback call.
27 multimedia case, such as video capture, if a transfer is submitted and then
28 a check of the DMA channel reports a "stopped channel", the transfer should
44 assigned on the fly when the transfer is issued.
46 b) Transfer anatomy for a scatter-gather transfer
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| D | provider.rst | 21 will want to start a transfer, it will assert a DMA request (DRQ) by
25 parameter: the transfer size. At each clock cycle, it would transfer a
26 byte of data from one buffer to another, until the transfer size has
31 cycle. For example, we may want to transfer as much data as the
36 parameter called the transfer width.
44 transfer into smaller sub-transfers.
59 transfer, and whenever the transfer is started, the controller will go
73 transfer width and the transfer size.
118 should contain a bitmask of the supported source transfer width
121 should contain a bitmask of the supported destination transfer width
[all …]
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| /Linux-v5.10/drivers/staging/greybus/tools/ |
| D | README.loopback | 27 size - payload size of the transfer.
35 3 - transfer
79 -t must be one of the test names - sink, transfer or ping
102 * Run a 1000 transfers of a 100 byte packet. Each transfer is started only
148 * Run a transfer test 10 iterations of size 100 bytes on all available devices
149 #/loopback_test -t transfer -i 10 -s 100
150 …1970-1-1 0:10:7,transfer,1-4.17,100,10,0,443,509,471.700012,66,1963,2256,2124.600098,293,102776,11…
151 …1970-1-1 0:10:7,transfer,1-5.17,100,10,0,399,542,463.399994,143,1845,2505,2175.800049,660,92568,12…
155 #/loopback_test -t transfer -i 10 -s 100 -a
156 …1970-1-1 0:10:35,transfer,1-4.17,100,10,0,448,580,494.100006,132,1722,2230,2039.400024,508,103936,…
[all …]
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| /Linux-v5.10/drivers/usb/gadget/udc/ |
| D | max3420_udc.c | 204 struct spi_transfer transfer; in spi_ack_ctrl() local
208 memset(&transfer, 0, sizeof(transfer)); in spi_ack_ctrl()
213 transfer.tx_buf = txdata; in spi_ack_ctrl()
214 transfer.len = 1; in spi_ack_ctrl()
216 spi_message_add_tail(&transfer, &msg); in spi_ack_ctrl()
223 struct spi_transfer transfer; in spi_rd8_ack() local
227 memset(&transfer, 0, sizeof(transfer)); in spi_rd8_ack()
232 transfer.tx_buf = txdata; in spi_rd8_ack()
233 transfer.rx_buf = rxdata; in spi_rd8_ack()
234 transfer.len = 2; in spi_rd8_ack()
[all …]
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| /Linux-v5.10/Documentation/userspace-api/media/v4l/ |
| 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.
[all …]
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| /Linux-v5.10/drivers/net/wireless/rsi/ |
| D | rsi_91x_usb.c | 52 int transfer; in rsi_usb_card_write() local
58 transfer = len; in rsi_usb_card_write()
63 &transfer, in rsi_usb_card_write()
363 u16 transfer; in rsi_usb_read_register_multiple() local
374 transfer = min_t(u16, count, RSI_USB_BUF_SIZE); in rsi_usb_read_register_multiple()
381 transfer, USB_CTRL_GET_TIMEOUT); in rsi_usb_read_register_multiple()
389 memcpy(data, buf, transfer); in rsi_usb_read_register_multiple()
390 count -= transfer; in rsi_usb_read_register_multiple()
391 data += transfer; in rsi_usb_read_register_multiple()
392 addr += transfer; in rsi_usb_read_register_multiple()
[all …]
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| /Linux-v5.10/Documentation/driver-api/usb/ |
| 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
84 A transfer's actual_length may be positive even when an error has been
129 to indicate timeout expired before the transfer
137 ``-ECOMM`` During an IN transfer, the host controller
141 ``-ENOSR`` During an OUT transfer, the host controller
158 ``-EXDEV`` ISO transfer only partially completed
[all …]
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| /Linux-v5.10/Documentation/mhi/ |
| 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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| D | mhi.rst | 59 transfer rings are organized as a circular queue of Transfer Descriptors (TD).
81 Two unidirectional channels with their associated transfer rings form a
85 transfer ring.
91 Transfer Descriptors (TD). TDs are managed through transfer rings, which are
93 memory. TDs consist of one or more ring elements (or transfer blocks)::
101 Below is the basic usage of transfer rings:
103 * Host allocates memory for transfer ring.
118 data transfer completion status, command completion status, and state changes
120 memory. EDs consist of one or more ring elements (or transfer blocks)::
143 A Ring Element is a data structure used to transfer a single block
[all …]
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| /Linux-v5.10/drivers/usb/host/ |
| D | max3421-hcd.c | 357 struct spi_transfer transfer; in spi_rd8() local
360 memset(&transfer, 0, sizeof(transfer)); in spi_rd8()
368 transfer.tx_buf = max3421_hcd->tx->data; in spi_rd8()
369 transfer.rx_buf = max3421_hcd->rx->data; in spi_rd8()
370 transfer.len = 2; in spi_rd8()
372 spi_message_add_tail(&transfer, &msg); in spi_rd8()
383 struct spi_transfer transfer; in spi_wr8() local
386 memset(&transfer, 0, sizeof(transfer)); in spi_wr8()
395 transfer.tx_buf = max3421_hcd->tx->data; in spi_wr8()
396 transfer.len = 2; in spi_wr8()
[all …]
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| /Linux-v5.10/drivers/iio/adc/ |
| 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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| /Linux-v5.10/Documentation/driver-api/mmc/ |
| D | mmc-async-req.rst | 13 transfer, the DMA preparation overhead would not affect the MMC performance.
35 in parallel with the transfer performance won't be affected.
67 with the previous transfer, since there is no previous request.
73 and finally prepare the second chunk and start the transfer.
78 /* start MMC transfer for the complete transfer size */
86 * the transfer is delayed, guesstimate max 4k as first chunk size.
96 * before this call, the transfer is delayed.
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| /Linux-v5.10/Documentation/devicetree/bindings/spi/ |
| D | spi-xilinx.txt | 12 - xlnx,num-transfer-bits : Number of bits per transfer. This will be 8 if not specified
21 xlnx,num-transfer-bits = <32>;
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| /Linux-v5.10/Documentation/devicetree/bindings/dma/ |
| D | milbeaut-m10v-hdmac.txt | 3 Milbeaut AHB DMA controller has transfer capability below.
4 - device to memory transfer
5 - memory to device transfer
|
