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Searched refs:tx_buf (Results 1 – 25 of 252) sorted by relevance

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/linux/drivers/spi/
H A Dspi-ch341.c37 u8 *tx_buf; member
48 memset(ch341->tx_buf, 0, CH341_PACKET_LENGTH); in ch341_set_cs()
49 ch341->tx_buf[0] = CH341A_CMD_UIO_STREAM; in ch341_set_cs()
50 ch341->tx_buf[1] = CH341A_CMD_UIO_STM_OUT | (is_high ? 0x36 : 0x37); in ch341_set_cs()
53 ch341->tx_buf[2] = CH341A_CMD_UIO_STM_DIR | 0x3f; in ch341_set_cs()
54 ch341->tx_buf[3] = CH341A_CMD_UIO_STM_END; in ch341_set_cs()
56 ch341->tx_buf[2] = CH341A_CMD_UIO_STM_END; in ch341_set_cs()
59 err = usb_bulk_msg(ch341->udev, ch341->write_pipe, ch341->tx_buf, in ch341_set_cs()
77 memset(ch341->tx_buf, 0, CH341_PACKET_LENGTH); in ch341_transfer_one()
79 ch341->tx_buf[0] = CH341A_CMD_SPI_STREAM; in ch341_transfer_one()
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H A Dspi-loopback-test.c95 .tx_buf = TX(0),
109 .tx_buf = TX(PAGE_SIZE - 4),
122 .tx_buf = TX(0),
147 .tx_buf = TX(0),
151 .tx_buf = TX(SPI_TEST_MAX_SIZE_HALF),
164 .tx_buf = TX(64),
168 .tx_buf = TX(0),
182 .tx_buf = TX(0),
185 .tx_buf = TX(64),
198 .tx_buf = TX(0),
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H A Dspi-cavium.c39 const u8 *tx_buf; in octeon_spi_do_transfer() local
68 tx_buf = xfer->tx_buf; in octeon_spi_do_transfer()
74 if (tx_buf) in octeon_spi_do_transfer()
75 d = *tx_buf++; in octeon_spi_do_transfer()
83 mpi_tx.s.txnum = tx_buf ? OCTEON_SPI_MAX_BYTES : 0; in octeon_spi_do_transfer()
98 if (tx_buf) in octeon_spi_do_transfer()
99 d = *tx_buf++; in octeon_spi_do_transfer()
111 mpi_tx.s.txnum = tx_buf ? len : 0; in octeon_spi_do_transfer()
H A Dspi-realtek-rtl.c97 const void *tx_buf; in transfer_one() local
100 tx_buf = xfer->tx_buf; in transfer_one()
103 if (tx_buf) { in transfer_one()
105 send4(rtspi, tx_buf); in transfer_one()
106 tx_buf += 4; in transfer_one()
110 send1(rtspi, tx_buf); in transfer_one()
111 tx_buf++; in transfer_one()
H A Dspi-sh-msiof.c266 const void *tx_buf, void *rx_buf, in sh_msiof_spi_set_mode_regs() argument
273 if (tx_buf || (p->ctlr->flags & SPI_CONTROLLER_MUST_TX)) in sh_msiof_spi_set_mode_regs()
298 const void *tx_buf, unsigned int words, in sh_msiof_spi_write_fifo_8() argument
301 const u8 *buf_8 = tx_buf; in sh_msiof_spi_write_fifo_8()
309 const void *tx_buf, unsigned int words, in sh_msiof_spi_write_fifo_16() argument
312 const u16 *buf_16 = tx_buf; in sh_msiof_spi_write_fifo_16()
320 const void *tx_buf, unsigned int words, in sh_msiof_spi_write_fifo_16u() argument
323 const u16 *buf_16 = tx_buf; in sh_msiof_spi_write_fifo_16u()
331 const void *tx_buf, unsigned int words, in sh_msiof_spi_write_fifo_32() argument
334 const u32 *buf_32 = tx_buf; in sh_msiof_spi_write_fifo_32()
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/linux/drivers/net/ethernet/intel/ice/
H A Dice_txrx.c37 struct ice_tx_buf *tx_buf, *first; in ice_prgm_fdir_fltr() local
69 first = &tx_ring->tx_buf[i]; in ice_prgm_fdir_fltr()
76 tx_buf = &tx_ring->tx_buf[i]; in ice_prgm_fdir_fltr()
81 memset(tx_buf, 0, sizeof(*tx_buf)); in ice_prgm_fdir_fltr()
82 dma_unmap_len_set(tx_buf, len, ICE_FDIR_MAX_RAW_PKT_SIZE); in ice_prgm_fdir_fltr()
83 dma_unmap_addr_set(tx_buf, dma, dma); in ice_prgm_fdir_fltr()
89 tx_buf->type = ICE_TX_BUF_DUMMY; in ice_prgm_fdir_fltr()
90 tx_buf->raw_buf = raw_packet; in ice_prgm_fdir_fltr()
114 ice_unmap_and_free_tx_buf(struct ice_tx_ring *ring, struct ice_tx_buf *tx_buf) in ice_unmap_and_free_tx_buf() argument
116 if (tx_buf->type != ICE_TX_BUF_XDP_TX && dma_unmap_len(tx_buf, len)) in ice_unmap_and_free_tx_buf()
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H A Dice_xsk.c368 struct ice_tx_buf *tx_buf; in ice_clean_xdp_irq_zc() local
394 tx_buf = &xdp_ring->tx_buf[ntc]; in ice_clean_xdp_irq_zc()
396 if (tx_buf->type == ICE_TX_BUF_XSK_TX) { in ice_clean_xdp_irq_zc()
397 tx_buf->type = ICE_TX_BUF_EMPTY; in ice_clean_xdp_irq_zc()
398 xsk_buff_free(tx_buf->xdp); in ice_clean_xdp_irq_zc()
440 struct ice_tx_buf *tx_buf; in ice_xmit_xdp_tx_zc() local
461 tx_buf = &xdp_ring->tx_buf[ntu]; in ice_xmit_xdp_tx_zc()
470 tx_buf->xdp = xdp; in ice_xmit_xdp_tx_zc()
471 tx_buf->type = ICE_TX_BUF_XSK_TX; in ice_xmit_xdp_tx_zc()
484 tx_buf = &xdp_ring->tx_buf[ntu]; in ice_xmit_xdp_tx_zc()
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/linux/drivers/net/ethernet/broadcom/bnxt/
H A Dbnxt_gso.c108 struct bnxt_sw_tx_bd *tx_buf; in bnxt_sw_udp_gso_xmit() local
144 tx_buf = &txr->tx_buf_ring[RING_TX(bp, prod)]; in bnxt_sw_udp_gso_xmit()
147 tx_buf->skb = skb; in bnxt_sw_udp_gso_xmit()
148 tx_buf->nr_frags = bd_count; in bnxt_sw_udp_gso_xmit()
149 tx_buf->is_push = 0; in bnxt_sw_udp_gso_xmit()
150 tx_buf->is_ts_pkt = 0; in bnxt_sw_udp_gso_xmit()
152 dma_unmap_addr_set(tx_buf, mapping, this_hdr_dma); in bnxt_sw_udp_gso_xmit()
153 dma_unmap_len_set(tx_buf, len, 0); in bnxt_sw_udp_gso_xmit()
156 tx_buf->is_sw_gso = BNXT_SW_GSO_LAST; in bnxt_sw_udp_gso_xmit()
157 tso_dma_map_completion_save(&map, &tx_buf->sw_gso_cstate); in bnxt_sw_udp_gso_xmit()
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H A Dbnxt_xdp.c32 struct bnxt_sw_tx_bd *tx_buf; in bnxt_xmit_bd() local
46 tx_buf = &txr->tx_buf_ring[RING_TX(bp, prod)]; in bnxt_xmit_bd()
47 tx_buf->nr_frags = num_frags; in bnxt_xmit_bd()
49 tx_buf->page = virt_to_head_page(xdp->data); in bnxt_xmit_bd()
92 return tx_buf; in bnxt_xmit_bd()
99 struct bnxt_sw_tx_bd *tx_buf; in __bnxt_xmit_xdp() local
101 tx_buf = bnxt_xmit_bd(bp, txr, mapping, len, xdp); in __bnxt_xmit_xdp()
102 tx_buf->rx_prod = rx_prod; in __bnxt_xmit_xdp()
103 tx_buf->action = XDP_TX; in __bnxt_xmit_xdp()
112 struct bnxt_sw_tx_bd *tx_buf; in __bnxt_xmit_xdp_redirect() local
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/linux/drivers/hid/intel-ish-hid/ishtp/
H A Dclient-buffers.c67 struct ishtp_cl_tx_ring *tx_buf; in ishtp_cl_alloc_tx_ring() local
69 tx_buf = kzalloc_obj(struct ishtp_cl_tx_ring); in ishtp_cl_alloc_tx_ring()
70 if (!tx_buf) in ishtp_cl_alloc_tx_ring()
73 tx_buf->send_buf.data = kmalloc(len, GFP_KERNEL); in ishtp_cl_alloc_tx_ring()
74 if (!tx_buf->send_buf.data) { in ishtp_cl_alloc_tx_ring()
75 kfree(tx_buf); in ishtp_cl_alloc_tx_ring()
80 list_add_tail(&tx_buf->list, &cl->tx_free_list.list); in ishtp_cl_alloc_tx_ring()
132 struct ishtp_cl_tx_ring *tx_buf; in ishtp_cl_free_tx_ring() local
138 tx_buf = list_entry(cl->tx_free_list.list.next, in ishtp_cl_free_tx_ring()
140 list_del(&tx_buf->list); in ishtp_cl_free_tx_ring()
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/linux/drivers/char/tpm/st33zp24/
H A Dspi.c57 u8 tx_buf[ST33ZP24_SPI_BUFFER_SIZE]; member
103 .tx_buf = phy->tx_buf, in st33zp24_spi_send()
108 phy->tx_buf[total_length++] = TPM_WRITE_DIRECTION | LOCALITY0; in st33zp24_spi_send()
109 phy->tx_buf[total_length++] = tpm_register; in st33zp24_spi_send()
112 phy->tx_buf[total_length++] = tpm_size >> 8; in st33zp24_spi_send()
113 phy->tx_buf[total_length++] = tpm_size; in st33zp24_spi_send()
116 memcpy(&phy->tx_buf[total_length], tpm_data, tpm_size); in st33zp24_spi_send()
119 memset(&phy->tx_buf[total_length], TPM_DUMMY_BYTE, phy->latency); in st33zp24_spi_send()
146 .tx_buf = phy->tx_buf, in st33zp24_spi_read8_reg()
151 phy->tx_buf[total_length++] = LOCALITY0; in st33zp24_spi_read8_reg()
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/linux/drivers/input/rmi4/
H A Drmi_spi.c44 u8 *tx_buf; member
75 rmi_spi->tx_buf = &rmi_spi->rx_buf[buf_size]; in rmi_spi_manage_pools()
113 const struct rmi_spi_cmd *cmd, const u8 *tx_buf, in rmi_spi_xfer() argument
163 rmi_spi->tx_buf[0] = (addr >> 8); in rmi_spi_xfer()
164 rmi_spi->tx_buf[1] = addr & 0xFF; in rmi_spi_xfer()
167 rmi_spi->tx_buf[0] = (addr >> 8) | 0x80; in rmi_spi_xfer()
168 rmi_spi->tx_buf[1] = addr & 0xFF; in rmi_spi_xfer()
175 rmi_spi->tx_buf[0] = 0x40; in rmi_spi_xfer()
176 rmi_spi->tx_buf[1] = (addr >> 8) & 0xFF; in rmi_spi_xfer()
177 rmi_spi->tx_buf[2] = addr & 0xFF; in rmi_spi_xfer()
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H A Drmi_i2c.c38 u8 *tx_buf; member
90 if (!rmi_i2c->tx_buf || rmi_i2c->tx_buf_size < tx_size) { in rmi_i2c_write_block()
91 if (rmi_i2c->tx_buf) in rmi_i2c_write_block()
92 devm_kfree(&client->dev, rmi_i2c->tx_buf); in rmi_i2c_write_block()
94 rmi_i2c->tx_buf = devm_kzalloc(&client->dev, in rmi_i2c_write_block()
97 if (!rmi_i2c->tx_buf) { in rmi_i2c_write_block()
104 rmi_i2c->tx_buf[0] = addr & 0xff; in rmi_i2c_write_block()
105 memcpy(rmi_i2c->tx_buf + 1, buf, len); in rmi_i2c_write_block()
113 retval = i2c_master_send(client, rmi_i2c->tx_buf, tx_size); in rmi_i2c_write_block()
/linux/drivers/iio/dac/
H A Dad5706r.c37 u8 tx_buf[4] __aligned(IIO_DMA_MINALIGN);
63 .tx_buf = st->tx_buf, in ad5706r_regmap_write()
67 put_unaligned_be16(reg, &st->tx_buf[0]); in ad5706r_regmap_write()
70 st->tx_buf[2] = (u8)val; in ad5706r_regmap_write()
72 put_unaligned_be16(val, &st->tx_buf[2]); in ad5706r_regmap_write()
95 .tx_buf = st->tx_buf, in ad5706r_regmap_read()
101 put_unaligned_be16(cmd, &st->tx_buf[0]); in ad5706r_regmap_read()
102 put_unaligned_be16(0, &st->tx_buf[2]); in ad5706r_regmap_read()
/linux/drivers/accel/ivpu/
H A Divpu_ipc.c71 struct ivpu_ipc_tx_buf *tx_buf; in ivpu_ipc_tx_prepare() local
75 tx_buf_vpu_addr = gen_pool_alloc(ipc->mm_tx, sizeof(*tx_buf)); in ivpu_ipc_tx_prepare()
78 sizeof(*tx_buf)); in ivpu_ipc_tx_prepare()
82 tx_buf = ivpu_to_cpu_addr(ipc->mem_tx, tx_buf_vpu_addr, sizeof(*tx_buf)); in ivpu_ipc_tx_prepare()
83 if (drm_WARN_ON(&vdev->drm, !tx_buf)) { in ivpu_ipc_tx_prepare()
84 gen_pool_free(ipc->mm_tx, tx_buf_vpu_addr, sizeof(*tx_buf)); in ivpu_ipc_tx_prepare()
90 if (tx_buf->ipc.status != IVPU_IPC_HDR_FREE) in ivpu_ipc_tx_prepare()
94 if (tx_buf->jsm.status != VPU_JSM_MSG_FREE) in ivpu_ipc_tx_prepare()
98 memset(tx_buf, 0, sizeof(*tx_buf)); in ivpu_ipc_tx_prepare()
99 tx_buf->ipc.data_addr = jsm_vpu_addr; in ivpu_ipc_tx_prepare()
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/linux/drivers/media/rc/
H A Dir-spi.c44 u16 *tx_buf; in ir_spi_tx() local
53 tx_buf = kmalloc_array(len, sizeof(*tx_buf), GFP_KERNEL); in ir_spi_tx()
54 if (!tx_buf) in ir_spi_tx()
69 tx_buf[len++] = val; in ir_spi_tx()
75 xfer.len = len * sizeof(*tx_buf); in ir_spi_tx()
76 xfer.tx_buf = tx_buf; in ir_spi_tx()
90 kfree(tx_buf); in ir_spi_tx()
/linux/drivers/input/touchscreen/
H A Dwdt87xx_i2c.c222 u8 tx_buf[] = { 0x22, 0x00, 0x10, 0x0E, 0x23, 0x00 }; in wdt87xx_get_desc() local
225 tx_buf[2] |= desc_idx & 0xF; in wdt87xx_get_desc()
227 error = wdt87xx_i2c_xfer(client, tx_buf, sizeof(tx_buf), in wdt87xx_get_desc()
248 u8 tx_buf[] = { 0x22, 0x00, 0x13, 0x0E, str_idx, 0x23, 0x00 }; in wdt87xx_get_string() local
256 error = wdt87xx_i2c_xfer(client, tx_buf, sizeof(tx_buf), in wdt87xx_get_string()
280 u8 tx_buf[8]; in wdt87xx_get_feature() local
290 tx_buf[tx_len++] = 0x22; in wdt87xx_get_feature()
291 tx_buf[tx_len++] = 0x00; in wdt87xx_get_feature()
293 tx_buf[tx_len++] = 0x30; in wdt87xx_get_feature()
294 tx_buf[tx_len++] = 0x02; in wdt87xx_get_feature()
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/linux/drivers/iio/adc/
H A Dti-adc108s102.c79 __be16 tx_buf[9] __aligned(IIO_DMA_MINALIGN);
123 st->tx_buf[cmds++] = cpu_to_be16(ADC108S102_CMD(bit)); in adc108s102_update_scan_mode()
126 st->tx_buf[cmds++] = 0x00; in adc108s102_update_scan_mode()
129 st->ring_xfer.tx_buf = &st->tx_buf[0]; in adc108s102_update_scan_mode()
131 st->ring_xfer.len = cmds * sizeof(st->tx_buf[0]); in adc108s102_update_scan_mode()
165 st->tx_buf[0] = cpu_to_be16(ADC108S102_CMD(ch)); in adc108s102_scan_direct()
247 st->scan_single_xfer.tx_buf = st->tx_buf; in adc108s102_probe()
249 st->scan_single_xfer.len = 2 * sizeof(st->tx_buf[0]); in adc108s102_probe()
H A Dad7298.c52 __be16 tx_buf[2]; member
120 st->tx_buf[0] = cpu_to_be16(command); in ad7298_update_scan_mode()
123 st->ring_xfer[0].tx_buf = &st->tx_buf[0]; in ad7298_update_scan_mode()
126 st->ring_xfer[1].tx_buf = &st->tx_buf[1]; in ad7298_update_scan_mode()
169 st->tx_buf[0] = cpu_to_be16(AD7298_WRITE | st->ext_ref | in ad7298_scan_direct()
327 st->scan_single_xfer[0].tx_buf = &st->tx_buf[0]; in ad7298_probe()
330 st->scan_single_xfer[1].tx_buf = &st->tx_buf[1]; in ad7298_probe()
H A Dti-ads8344.c31 u8 tx_buf __aligned(IIO_DMA_MINALIGN);
82 adc->tx_buf = ADS8344_START; in ads8344_adc_conversion()
84 adc->tx_buf |= ADS8344_SINGLE_END; in ads8344_adc_conversion()
85 adc->tx_buf |= ADS8344_CHANNEL(channel); in ads8344_adc_conversion()
86 adc->tx_buf |= ADS8344_CLOCK_INTERNAL; in ads8344_adc_conversion()
88 ret = spi_write(spi, &adc->tx_buf, 1); in ads8344_adc_conversion()
H A Dti-adc0832.c38 u8 tx_buf[2] __aligned(IIO_DMA_MINALIGN);
139 .tx_buf = adc->tx_buf, in adc0832_adc_conversion()
149 adc->tx_buf[0] = 1 << (adc->mux_bits + 1); in adc0832_adc_conversion()
151 adc->tx_buf[0] |= differential ? 0 : (1 << adc->mux_bits); in adc0832_adc_conversion()
153 adc->tx_buf[0] |= (channel % 2) << (adc->mux_bits - 1); in adc0832_adc_conversion()
156 adc->tx_buf[0] |= channel / 2; in adc0832_adc_conversion()
159 adc->tx_buf[0] <<= 1; in adc0832_adc_conversion()
/linux/drivers/net/ethernet/netronome/nfp/nfd3/
H A Drings.c48 struct nfp_nfd3_tx_buf *tx_buf; in nfp_nfd3_tx_ring_reset() local
53 tx_buf = &tx_ring->txbufs[idx]; in nfp_nfd3_tx_ring_reset()
58 if (tx_buf->fidx == -1) { in nfp_nfd3_tx_ring_reset()
60 dma_unmap_single(dp->dev, tx_buf->dma_addr, in nfp_nfd3_tx_ring_reset()
64 frag = &skb_shinfo(skb)->frags[tx_buf->fidx]; in nfp_nfd3_tx_ring_reset()
65 dma_unmap_page(dp->dev, tx_buf->dma_addr, in nfp_nfd3_tx_ring_reset()
70 if (tx_buf->fidx == nr_frags - 1) in nfp_nfd3_tx_ring_reset()
73 tx_buf->dma_addr = 0; in nfp_nfd3_tx_ring_reset()
74 tx_buf->skb = NULL; in nfp_nfd3_tx_ring_reset()
75 tx_buf->fidx = -2; in nfp_nfd3_tx_ring_reset()
/linux/include/trace/events/
H A Dspi.h175 (xfer->tx_buf && xfer->tx_buf != msg->spi->controller->dummy_tx)
193 __dynamic_array(u8, tx_buf,
205 memcpy(__get_dynamic_array(tx_buf),
206 xfer->tx_buf, __get_dynamic_array_len(tx_buf));
216 __get_dynamic_array_len(tx_buf), __get_dynamic_array(tx_buf),
/linux/drivers/mux/
H A Dadgs1408.c27 u8 tx_buf[2]; in adgs1408_spi_reg_write() local
29 tx_buf[0] = reg_addr; in adgs1408_spi_reg_write()
30 tx_buf[1] = reg_data; in adgs1408_spi_reg_write()
32 return spi_write_then_read(spi, tx_buf, sizeof(tx_buf), NULL, 0); in adgs1408_spi_reg_write()
/linux/drivers/video/fbdev/omap2/omapfb/displays/
H A Dpanel-tpo-td028ttec1.c57 u16 tx_buf = JBT_COMMAND | reg; in jbt_ret_write_0() local
59 rc = spi_write(ddata->spi_dev, (u8 *)&tx_buf, in jbt_ret_write_0()
71 u16 tx_buf[2]; in jbt_reg_write_1() local
73 tx_buf[0] = JBT_COMMAND | reg; in jbt_reg_write_1()
74 tx_buf[1] = JBT_DATA | data; in jbt_reg_write_1()
75 rc = spi_write(ddata->spi_dev, (u8 *)tx_buf, in jbt_reg_write_1()
87 u16 tx_buf[3]; in jbt_reg_write_2() local
89 tx_buf[0] = JBT_COMMAND | reg; in jbt_reg_write_2()
90 tx_buf[1] = JBT_DATA | (data >> 8); in jbt_reg_write_2()
91 tx_buf[2] = JBT_DATA | (data & 0xff); in jbt_reg_write_2()
[all …]

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