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Searched refs:bytes_per_word (Results 1 – 9 of 9) sorted by relevance

/linux-4.4.14/drivers/spi/
Dspi-altera.c56 int bytes_per_word; member
108 switch (hw->bytes_per_word) { in hw_txbyte()
126 hw->bytes_per_word = DIV_ROUND_UP(t->bits_per_word, 8); in altera_spi_txrx()
127 hw->len = t->len / hw->bytes_per_word; in altera_spi_txrx()
154 switch (hw->bytes_per_word) { in altera_spi_txrx()
169 return hw->count * hw->bytes_per_word; in altera_spi_txrx()
179 switch (hw->bytes_per_word) { in altera_spi_irq()
Dspi-tegra20-slink.c179 unsigned bytes_per_word; member
251 switch (tspi->bytes_per_word) { in tegra_slink_get_packed_size()
276 tspi->bytes_per_word = DIV_ROUND_UP(bits_per_word, 8); in tegra_slink_calculate_curr_xfer_param()
289 tspi->curr_dma_words = max_len/tspi->bytes_per_word; in tegra_slink_calculate_curr_xfer_param()
292 max_word = (remain_len - 1) / tspi->bytes_per_word + 1; in tegra_slink_calculate_curr_xfer_param()
318 nbytes = written_words * tspi->bytes_per_word; in tegra_slink_fill_tx_fifo_from_client_txbuf()
329 nbytes = written_words * tspi->bytes_per_word; in tegra_slink_fill_tx_fifo_from_client_txbuf()
332 for (i = 0; nbytes && (i < tspi->bytes_per_word); in tegra_slink_fill_tx_fifo_from_client_txbuf()
338 tspi->cur_tx_pos += written_words * tspi->bytes_per_word; in tegra_slink_fill_tx_fifo_from_client_txbuf()
355 len = tspi->curr_dma_words * tspi->bytes_per_word; in tegra_slink_read_rx_fifo_to_client_rxbuf()
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Dspi-tegra114.c180 unsigned bytes_per_word; member
260 tspi->bytes_per_word = DIV_ROUND_UP(bits_per_word, 8); in tegra_spi_calculate_curr_xfer_param()
272 tspi->curr_dma_words = max_len/tspi->bytes_per_word; in tegra_spi_calculate_curr_xfer_param()
275 max_word = (remain_len - 1) / tspi->bytes_per_word + 1; in tegra_spi_calculate_curr_xfer_param()
301 nbytes = written_words * tspi->bytes_per_word; in tegra_spi_fill_tx_fifo_from_client_txbuf()
313 nbytes = written_words * tspi->bytes_per_word; in tegra_spi_fill_tx_fifo_from_client_txbuf()
317 for (i = 0; nbytes && (i < tspi->bytes_per_word); in tegra_spi_fill_tx_fifo_from_client_txbuf()
323 tspi->cur_tx_pos += written_words * tspi->bytes_per_word; in tegra_spi_fill_tx_fifo_from_client_txbuf()
340 len = tspi->curr_dma_words * tspi->bytes_per_word; in tegra_spi_read_rx_fifo_to_client_rxbuf()
347 tspi->cur_rx_pos += tspi->curr_dma_words * tspi->bytes_per_word; in tegra_spi_read_rx_fifo_to_client_rxbuf()
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Dspi-xilinx.c91 u8 bytes_per_word; member
127 switch (xspi->bytes_per_word) { in xilinx_spi_tx()
140 xspi->tx_ptr += xspi->bytes_per_word; in xilinx_spi_tx()
150 switch (xspi->bytes_per_word) { in xilinx_spi_rx()
162 xspi->rx_ptr += xspi->bytes_per_word; in xilinx_spi_rx()
251 remaining_words = t->len / xspi->bytes_per_word; in xilinx_spi_txrx_bufs()
454 xspi->bytes_per_word = bits_per_word / 8; in xilinx_spi_probe()
Dspi-st-ssc4.c65 u16 bytes_per_word; member
110 if (spi_st->bytes_per_word == 1) { in ssc_write_tx_fifo()
136 if (spi_st->bytes_per_word == 1) { in ssc_read_rx_fifo()
162 spi_st->bytes_per_word = 2; in spi_st_transfer_one()
170 spi_st->bytes_per_word = 2; in spi_st_transfer_one()
180 spi_st->bytes_per_word = 1; in spi_st_transfer_one()
Dspi-tegra20-sflash.c128 unsigned bytes_per_word; member
175 tsd->bytes_per_word = DIV_ROUND_UP(t->bits_per_word, 8); in tegra_sflash_calculate_curr_xfer_param()
176 max_word = remain_len / tsd->bytes_per_word; in tegra_sflash_calculate_curr_xfer_param()
193 nbytes = max_n_32bit * tsd->bytes_per_word; in tegra_sflash_fill_tx_fifo_from_client_txbuf()
200 for (i = 0; nbytes && (i < tsd->bytes_per_word); in tegra_sflash_fill_tx_fifo_from_client_txbuf()
209 tsd->cur_tx_pos += max_n_32bit * tsd->bytes_per_word; in tegra_sflash_fill_tx_fifo_from_client_txbuf()
225 for (i = 0; (i < tsd->bytes_per_word); i++) in tegra_sflash_read_rx_fifo_to_client_rxbuf()
230 tsd->cur_rx_pos += read_words * tsd->bytes_per_word; in tegra_sflash_read_rx_fifo_to_client_rxbuf()
Dspi-davinci.c141 u8 *bytes_per_word; member
310 dspi->bytes_per_word[spi->chip_select] = 1; in davinci_spi_setup_transfer()
314 dspi->bytes_per_word[spi->chip_select] = 2; in davinci_spi_setup_transfer()
599 data_type = dspi->bytes_per_word[spi->chip_select]; in davinci_spi_bufs()
966 dspi->bytes_per_word = devm_kzalloc(&pdev->dev, in davinci_spi_probe()
967 sizeof(*dspi->bytes_per_word) * in davinci_spi_probe()
969 if (dspi->bytes_per_word == NULL) { in davinci_spi_probe()
Dspi-sh-msiof.c837 unsigned int bytes_per_word; in sh_msiof_transfer_one() local
904 bytes_per_word = 1; in sh_msiof_transfer_one()
908 bytes_per_word = 2; in sh_msiof_transfer_one()
919 bytes_per_word = 4; in sh_msiof_transfer_one()
930 bytes_per_word = 4; in sh_msiof_transfer_one()
943 words = len / bytes_per_word; in sh_msiof_transfer_one()
952 tx_buf += n * bytes_per_word; in sh_msiof_transfer_one()
954 rx_buf += n * bytes_per_word; in sh_msiof_transfer_one()
Dspi-omap2-mcspi.c304 int max_fifo_depth, fifo_depth, bytes_per_word; in omap2_mcspi_set_fifo() local
311 bytes_per_word = mcspi_bytes_per_word(cs->word_len); in omap2_mcspi_set_fifo()
312 if (t->len % bytes_per_word != 0) in omap2_mcspi_set_fifo()
321 if (fifo_depth < 2 || fifo_depth % bytes_per_word != 0) in omap2_mcspi_set_fifo()
324 wcnt = t->len / bytes_per_word; in omap2_mcspi_set_fifo()
532 int bytes_per_word = mcspi_bytes_per_word(word_len); in omap2_mcspi_rx_dma() local
534 count -= (bytes_per_word << 1); in omap2_mcspi_rx_dma()