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Searched refs:bits_per_word (Results 1 – 25 of 182) sorted by relevance

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/Linux-v5.10/drivers/spi/
Dspi-fsl-spi.c142 int bits_per_word, int msb_first) in fsl_spi_qe_cpu_set_shifts() argument
147 if (bits_per_word <= 8) { in fsl_spi_qe_cpu_set_shifts()
150 } else if (bits_per_word <= 16) { in fsl_spi_qe_cpu_set_shifts()
155 if (bits_per_word <= 8) in fsl_spi_qe_cpu_set_shifts()
161 int bits_per_word, int msb_first) in fsl_spi_grlib_set_shifts() argument
165 if (bits_per_word <= 16) { in fsl_spi_grlib_set_shifts()
168 *tx_shift = 32 - bits_per_word; /* MSB in bit 31 */ in fsl_spi_grlib_set_shifts()
170 *rx_shift = 16 - bits_per_word; /* MSB in bit 15 */ in fsl_spi_grlib_set_shifts()
178 int bits_per_word) in mspi_apply_cpu_mode_quirks() argument
182 if (bits_per_word <= 8) { in mspi_apply_cpu_mode_quirks()
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Dspi-bitbang.c64 unsigned bits = t->bits_per_word; in bitbang_txrx_8()
92 unsigned bits = t->bits_per_word; in bitbang_txrx_16()
120 unsigned bits = t->bits_per_word; in bitbang_txrx_32()
141 u8 bits_per_word; in spi_bitbang_setup_transfer() local
145 bits_per_word = t->bits_per_word; in spi_bitbang_setup_transfer()
148 bits_per_word = 0; in spi_bitbang_setup_transfer()
153 if (!bits_per_word) in spi_bitbang_setup_transfer()
154 bits_per_word = spi->bits_per_word; in spi_bitbang_setup_transfer()
155 if (bits_per_word <= 8) in spi_bitbang_setup_transfer()
157 else if (bits_per_word <= 16) in spi_bitbang_setup_transfer()
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Dspi-mpc52xx-psc.c38 u8 bits_per_word; member
51 int bits_per_word; member
65 cs->bits_per_word = (t && t->bits_per_word) in mpc52xx_psc_spi_transfer_setup()
66 ? t->bits_per_word : spi->bits_per_word; in mpc52xx_psc_spi_transfer_setup()
67 cs->bits_per_word = ((cs->bits_per_word + 7) / 8) * 8; in mpc52xx_psc_spi_transfer_setup()
108 mps->bits_per_word = cs->bits_per_word; in mpc52xx_psc_spi_activate_cs()
222 if (t->bits_per_word || t->speed_hz) { in mpc52xx_psc_spi_work()
264 if (spi->bits_per_word%8) in mpc52xx_psc_spi_setup()
274 cs->bits_per_word = spi->bits_per_word; in mpc52xx_psc_spi_setup()
340 mps->bits_per_word = 8; in mpc52xx_psc_spi_port_config()
Dspi-mpc512x-psc.c62 u8 bits_per_word; member
72 int bits_per_word; member
86 cs->bits_per_word = (t && t->bits_per_word) in mpc512x_psc_spi_transfer_setup()
87 ? t->bits_per_word : spi->bits_per_word; in mpc512x_psc_spi_transfer_setup()
88 cs->bits_per_word = ((cs->bits_per_word + 7) / 8) * 8; in mpc512x_psc_spi_transfer_setup()
129 mps->bits_per_word = cs->bits_per_word; in mpc512x_psc_spi_activate_cs()
368 if (spi->bits_per_word % 8) in mpc512x_psc_spi_setup()
391 cs->bits_per_word = spi->bits_per_word; in mpc512x_psc_spi_setup()
458 mps->bits_per_word = 8; in mpc512x_psc_spi_port_config()
Dspi-npcm-pspi.c28 u8 bits_per_word; member
178 if (priv->bits_per_word == 8 && !(t->len & 0x1)) in npcm_pspi_setup_transfer()
179 t->bits_per_word = 16; in npcm_pspi_setup_transfer()
181 if (!priv->is_save_param || priv->bits_per_word != t->bits_per_word) { in npcm_pspi_setup_transfer()
182 npcm_pspi_set_transfer_size(priv, t->bits_per_word); in npcm_pspi_setup_transfer()
183 priv->bits_per_word = t->bits_per_word; in npcm_pspi_setup_transfer()
200 wsize = min(bytes_per_word(priv->bits_per_word), priv->tx_bytes); in npcm_pspi_send()
227 rsize = min(bytes_per_word(priv->bits_per_word), priv->rx_bytes); in npcm_pspi_recv()
Dspi-pic32.c107 u32 bits_per_word; member
389 static int pic32_spi_set_word_size(struct pic32_spi *pic32s, u8 bits_per_word) in pic32_spi_set_word_size() argument
394 switch (bits_per_word) { in pic32_spi_set_word_size()
420 bits_per_word / 8); in pic32_spi_set_word_size()
451 if (pic32s->bits_per_word != spi->bits_per_word) { in pic32_spi_prepare_message()
452 pic32_spi_set_word_size(pic32s, spi->bits_per_word); in pic32_spi_prepare_message()
453 pic32s->bits_per_word = spi->bits_per_word; in pic32_spi_prepare_message()
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()
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Dspi-imx.c97 unsigned int bits_per_word; member
214 static int spi_imx_bytes_per_word(const int bits_per_word) in spi_imx_bytes_per_word() argument
216 if (bits_per_word <= 8) in spi_imx_bytes_per_word()
218 else if (bits_per_word <= 16) in spi_imx_bytes_per_word()
294 bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word); in spi_imx_buf_rx_swap_u32()
319 if (spi_imx_bytes_per_word(spi_imx->bits_per_word) == 2) { in spi_imx_buf_rx_swap()
349 bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word); in spi_imx_buf_tx_swap_u32()
371 if (spi_imx_bytes_per_word(spi_imx->bits_per_word) == 2) { in spi_imx_buf_tx_swap()
587 ctrl |= (spi_imx->bits_per_word - 1) in mx51_ecspi_prepare_transfer()
716 reg |= (spi_imx->bits_per_word - 1) << MX35_CSPICTRL_BL_SHIFT; in mx31_prepare_transfer()
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Dspi-uniphier.c40 u8 bits_per_word; member
234 if (!priv->is_save_param || priv->bits_per_word != t->bits_per_word) { in uniphier_spi_setup_transfer()
235 uniphier_spi_set_transfer_size(spi, t->bits_per_word); in uniphier_spi_setup_transfer()
236 priv->bits_per_word = t->bits_per_word; in uniphier_spi_setup_transfer()
256 wsize = min(bytes_per_word(priv->bits_per_word), priv->tx_bytes); in uniphier_spi_send()
283 rsize = min(bytes_per_word(priv->bits_per_word), priv->rx_bytes); in uniphier_spi_recv()
320 unsigned int bpw = bytes_per_word(priv->bits_per_word); in uniphier_spi_fill_tx_fifo()
354 unsigned int bpw = bytes_per_word(priv->bits_per_word); in uniphier_spi_can_dma()
400 if (priv->bits_per_word <= 8) in uniphier_spi_transfer_one_dma()
402 else if (priv->bits_per_word <= 16) in uniphier_spi_transfer_one_dma()
Dspi-fsl-espi.c164 if (first->bits_per_word != t->bits_per_word || in fsl_espi_check_message()
172 if (!(m->spi->mode & SPI_LSB_FIRST) && first->bits_per_word != 8 && in fsl_espi_check_message()
173 first->bits_per_word != 16) { in fsl_espi_check_message()
176 first->bits_per_word); in fsl_espi_check_message()
327 int bits_per_word = t ? t->bits_per_word : spi->bits_per_word; in fsl_espi_setup_transfer() local
335 cs->hw_mode |= CSMODE_LEN(bits_per_word - 1); in fsl_espi_setup_transfer()
404 espi->swab = spi->mode & SPI_LSB_FIRST && trans->bits_per_word > 8; in fsl_espi_trans()
467 trans.bits_per_word = t->bits_per_word; in fsl_espi_do_one_msg()
Dspi-lantiq-ssc.c180 unsigned int bits_per_word; member
296 unsigned int bits_per_word) in hw_setup_bits_per_word() argument
301 bm = (bits_per_word - 1) << LTQ_SPI_CON_BM_S; in hw_setup_bits_per_word()
366 hw_setup_bits_per_word(spi, spi->bits_per_word); in lantiq_ssc_hw_init()
434 unsigned int bits_per_word = t->bits_per_word; in hw_setup_transfer() local
437 if (bits_per_word != spi->bits_per_word || in hw_setup_transfer()
441 hw_setup_bits_per_word(spi, bits_per_word); in hw_setup_transfer()
445 spi->bits_per_word = bits_per_word; in hw_setup_transfer()
487 switch (spi->bits_per_word) { in tx_fifo_write()
536 switch (spi->bits_per_word) { in rx_fifo_read_full_duplex()
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Dspi-bcm-qspi.c159 u8 bits_per_word; member
586 if (xp->bits_per_word != 16) in bcm_qspi_hw_set_parms()
587 spcr |= xp->bits_per_word << 2; in bcm_qspi_hw_set_parms()
619 xp.bits_per_word = trans->bits_per_word; in bcm_qspi_update_parms()
629 if (spi->bits_per_word > 16) in bcm_qspi_setup()
642 if (spi->bits_per_word) in bcm_qspi_setup()
643 xp->bits_per_word = spi->bits_per_word; in bcm_qspi_setup()
645 xp->bits_per_word = 8; in bcm_qspi_setup()
666 if (qt->trans->bits_per_word <= 8) in update_qspi_trans_byte_count()
728 if (tp.trans->bits_per_word <= 8) { in read_from_hw()
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Dspi-xilinx.c394 int ret, num_cs = 0, bits_per_word; in xilinx_spi_probe() local
402 bits_per_word = pdata->bits_per_word; in xilinx_spi_probe()
408 &bits_per_word); in xilinx_spi_probe()
410 bits_per_word = 8; in xilinx_spi_probe()
469 master->bits_per_word_mask = SPI_BPW_MASK(bits_per_word); in xilinx_spi_probe()
470 xspi->bytes_per_word = bits_per_word / 8; in xilinx_spi_probe()
Dspi-ppc4xx.c169 u8 bits_per_word; in spi_ppc4xx_setupxfer() local
172 bits_per_word = spi->bits_per_word; in spi_ppc4xx_setupxfer()
180 if (t->bits_per_word) in spi_ppc4xx_setupxfer()
181 bits_per_word = t->bits_per_word; in spi_ppc4xx_setupxfer()
Dspi-geni-qcom.c180 unsigned int bits_per_word) in spi_setup_word_len() argument
191 if (!(mas->fifo_width_bits % bits_per_word)) in spi_setup_word_len()
192 pack_words = mas->fifo_width_bits / bits_per_word; in spi_setup_word_len()
195 geni_se_config_packing(&mas->se, bits_per_word, pack_words, msb_first, in spi_setup_word_len()
197 word_len = (bits_per_word - MIN_WORD_LEN) & WORD_LEN_MSK; in spi_setup_word_len()
262 mas->cur_bits_per_word = spi_slv->bits_per_word; in setup_fifo_params()
264 spi_setup_word_len(mas, spi_slv->mode, spi_slv->bits_per_word); in setup_fifo_params()
441 if (xfer->bits_per_word != mas->cur_bits_per_word) { in setup_fifo_xfer()
442 spi_setup_word_len(mas, mode, xfer->bits_per_word); in setup_fifo_xfer()
443 mas->cur_bits_per_word = xfer->bits_per_word; in setup_fifo_xfer()
Dspi-atmel.c444 u8 bits_per_word) in atmel_spi_dma_slave_config() argument
449 if (bits_per_word > 8) { in atmel_spi_dma_slave_config()
603 if (xfer->bits_per_word > 8) in atmel_spi_next_xfer_single()
611 xfer->bits_per_word); in atmel_spi_next_xfer_single()
634 current_remaining_data = ((xfer->bits_per_word > 8) ? in atmel_spi_next_xfer_fifo()
653 if (xfer->bits_per_word > 8) { in atmel_spi_next_xfer_fifo()
666 if (xfer->bits_per_word > 8) in atmel_spi_next_xfer_fifo()
678 xfer->bits_per_word); in atmel_spi_next_xfer_fifo()
729 xfer->bits_per_word)) in atmel_spi_next_xfer_dma_submit()
886 if (msg->spi->bits_per_word > 8) in atmel_spi_pdc_next_xfer()
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Dspi-txx9.c181 u8 bits_per_word = t->bits_per_word; in txx9spi_work_one() local
183 wsize = bits_per_word >> 3; /* in bytes */ in txx9spi_work_one()
186 || prev_bits_per_word != bits_per_word) { in txx9spi_work_one()
193 txx9spi_wr(c, (n << 8) | bits_per_word, TXx9_SPCR1); in txx9spi_work_one()
198 prev_bits_per_word = bits_per_word; in txx9spi_work_one()
/Linux-v5.10/drivers/staging/wfx/
Dbus_spi.c185 if (!func->bits_per_word) in wfx_spi_probe()
186 func->bits_per_word = 16; in wfx_spi_probe()
192 func->chip_select, func->mode, func->bits_per_word, in wfx_spi_probe()
194 if (func->bits_per_word != 16 && func->bits_per_word != 8) in wfx_spi_probe()
196 func->bits_per_word); in wfx_spi_probe()
205 if (func->bits_per_word == 8 || IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) in wfx_spi_probe()
/Linux-v5.10/drivers/iio/adc/
Dad7949.c64 int bits_per_word = ad7949_adc->resolution; in ad7949_spi_write_cfg() local
65 int shift = bits_per_word - AD7949_CFG_REG_SIZE_BITS; in ad7949_spi_write_cfg()
71 .bits_per_word = bits_per_word, in ad7949_spi_write_cfg()
93 int bits_per_word = ad7949_adc->resolution; in ad7949_spi_read_channel() local
100 .bits_per_word = bits_per_word, in ad7949_spi_read_channel()
/Linux-v5.10/drivers/net/wireless/st/cw1200/
Dcw1200_spi.c89 if (self->func->bits_per_word == 8) in cw1200_spi_memcpy_fromio()
112 if (self->func->bits_per_word == 8) in cw1200_spi_memcpy_fromio()
154 if (self->func->bits_per_word == 8) in cw1200_spi_memcpy_toio()
184 if (self->func->bits_per_word == 8) in cw1200_spi_memcpy_toio()
373 func->bits_per_word = plat_data->spi_bits_per_word; in cw1200_spi_probe()
374 if (!func->bits_per_word) in cw1200_spi_probe()
375 func->bits_per_word = 16; in cw1200_spi_probe()
381 func->chip_select, func->mode, func->bits_per_word, in cw1200_spi_probe()
/Linux-v5.10/drivers/iio/imu/
Dadis.c46 .bits_per_word = 8, in __adis_write_reg()
55 .bits_per_word = 8, in __adis_write_reg()
64 .bits_per_word = 8, in __adis_write_reg()
73 .bits_per_word = 8, in __adis_write_reg()
79 .bits_per_word = 8, in __adis_write_reg()
146 .bits_per_word = 8, in __adis_read_reg()
155 .bits_per_word = 8, in __adis_read_reg()
165 .bits_per_word = 8, in __adis_read_reg()
174 .bits_per_word = 8, in __adis_read_reg()
/Linux-v5.10/drivers/staging/iio/meter/
Dade7854-spi.c27 .bits_per_word = 8, in ade7854_spi_write_reg()
80 .bits_per_word = 8, in ade7854_spi_read_reg()
84 .bits_per_word = 8, in ade7854_spi_read_reg()
/Linux-v5.10/drivers/video/fbdev/mmp/hw/
Dmmp_spi.c40 switch (spi->bits_per_word) { in lcd_spi_write()
88 CFG_TXBITS(spi->bits_per_word) | in lcd_spi_setup()
113 switch (spi->bits_per_word) { in lcd_spi_one_transfer()
/Linux-v5.10/drivers/gpu/drm/panel/
Dpanel-tpo-tpg110.c210 t[0].bits_per_word = 8; in tpg110_readwrite_reg()
216 t[1].bits_per_word = 8; in tpg110_readwrite_reg()
227 t[0].bits_per_word = 7; in tpg110_readwrite_reg()
233 t[1].bits_per_word = 8; in tpg110_readwrite_reg()
425 spi->bits_per_word = 8; in tpg110_probe()
/Linux-v5.10/drivers/iio/gyro/
Dadxrs450.c98 .bits_per_word = 8, in adxrs450_spi_read_reg_16()
103 .bits_per_word = 8, in adxrs450_spi_read_reg_16()
172 .bits_per_word = 8, in adxrs450_spi_sensor_data()
177 .bits_per_word = 8, in adxrs450_spi_sensor_data()
212 .bits_per_word = 8, in adxrs450_spi_initial()
/Linux-v5.10/lib/
Dsbitmap.c47 unsigned int bits_per_word; in sbitmap_init_node() local
63 bits_per_word = 1U << shift; in sbitmap_init_node()
64 if (bits_per_word > BITS_PER_LONG) in sbitmap_init_node()
69 sb->map_nr = DIV_ROUND_UP(sb->depth, bits_per_word); in sbitmap_init_node()
81 sb->map[i].depth = min(depth, bits_per_word); in sbitmap_init_node()
91 unsigned int bits_per_word = 1U << sb->shift; in sbitmap_resize() local
98 sb->map_nr = DIV_ROUND_UP(sb->depth, bits_per_word); in sbitmap_resize()
101 sb->map[i].depth = min(depth, bits_per_word); in sbitmap_resize()

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