| /Linux-v5.4/drivers/spi/ |
| D | spi-tegra20-slink.c | 168 unsigned bytes_per_word; member
240 switch (tspi->bytes_per_word) { in tegra_slink_get_packed_size()
265 tspi->bytes_per_word = DIV_ROUND_UP(bits_per_word, 8); in tegra_slink_calculate_curr_xfer_param()
278 tspi->curr_dma_words = max_len/tspi->bytes_per_word; in tegra_slink_calculate_curr_xfer_param()
281 max_word = (remain_len - 1) / tspi->bytes_per_word + 1; in tegra_slink_calculate_curr_xfer_param()
307 nbytes = written_words * tspi->bytes_per_word; in tegra_slink_fill_tx_fifo_from_client_txbuf()
318 nbytes = written_words * tspi->bytes_per_word; in tegra_slink_fill_tx_fifo_from_client_txbuf()
321 for (i = 0; nbytes && (i < tspi->bytes_per_word); in tegra_slink_fill_tx_fifo_from_client_txbuf()
327 tspi->cur_tx_pos += written_words * tspi->bytes_per_word; in tegra_slink_fill_tx_fifo_from_client_txbuf()
344 len = tspi->curr_dma_words * tspi->bytes_per_word; in tegra_slink_read_rx_fifo_to_client_rxbuf()
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| D | spi-altera.c | 48 int bytes_per_word; member
81 switch (hw->bytes_per_word) { in altera_spi_tx_word()
101 switch (hw->bytes_per_word) { in altera_spi_rx_word()
123 hw->bytes_per_word = DIV_ROUND_UP(t->bits_per_word, 8); in altera_spi_txrx()
124 hw->len = t->len / hw->bytes_per_word; in altera_spi_txrx()
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| D | spi-tegra114.c | 182 unsigned bytes_per_word; member
268 tspi->bytes_per_word = DIV_ROUND_UP(bits_per_word, 8); in tegra_spi_calculate_curr_xfer_param()
281 tspi->curr_dma_words = max_len/tspi->bytes_per_word; in tegra_spi_calculate_curr_xfer_param()
284 max_word = (remain_len - 1) / tspi->bytes_per_word + 1; in tegra_spi_calculate_curr_xfer_param()
310 nbytes = written_words * tspi->bytes_per_word; in tegra_spi_fill_tx_fifo_from_client_txbuf()
320 tspi->cur_tx_pos += written_words * tspi->bytes_per_word; in tegra_spi_fill_tx_fifo_from_client_txbuf()
325 nbytes = written_words * tspi->bytes_per_word; in tegra_spi_fill_tx_fifo_from_client_txbuf()
332 for (i = 0; nbytes && (i < tspi->bytes_per_word); in tegra_spi_fill_tx_fifo_from_client_txbuf()
357 len = tspi->curr_dma_words * tspi->bytes_per_word; in tegra_spi_read_rx_fifo_to_client_rxbuf()
365 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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| D | spi-meson-spicc.c | 132 unsigned int bytes_per_word; member
156 unsigned int bytes = spicc->bytes_per_word; in meson_spicc_pull_data()
174 unsigned int bytes = spicc->bytes_per_word; in meson_spicc_push_data()
222 spicc->xfer_remain -= burst_len * spicc->bytes_per_word; in meson_spicc_setup_burst()
281 spicc->xfer_remain / spicc->bytes_per_word, in meson_spicc_irq()
349 (spicc->bytes_per_word << 3) - 1); in meson_spicc_setup_xfer()
373 spicc->bytes_per_word = in meson_spicc_transfer_one()
380 spicc->xfer_remain / spicc->bytes_per_word, in meson_spicc_transfer_one()
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| D | spi-xilinx.c | 89 u8 bytes_per_word; member
125 switch (xspi->bytes_per_word) { in xilinx_spi_tx()
138 xspi->tx_ptr += xspi->bytes_per_word; in xilinx_spi_tx()
148 switch (xspi->bytes_per_word) { in xilinx_spi_rx()
160 xspi->rx_ptr += xspi->bytes_per_word; in xilinx_spi_rx()
249 remaining_words = t->len / xspi->bytes_per_word; in xilinx_spi_txrx_bufs()
465 xspi->bytes_per_word = bits_per_word / 8; in xilinx_spi_probe()
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| D | spi-fsl-dspi.c | 192 u8 bytes_per_word; member
206 if (dspi->bytes_per_word == 1) in dspi_pop_tx()
208 else if (dspi->bytes_per_word == 2) in dspi_pop_tx()
212 dspi->tx += dspi->bytes_per_word; in dspi_pop_tx()
214 dspi->len -= dspi->bytes_per_word; in dspi_pop_tx()
238 if (dspi->bytes_per_word == 1) in dspi_push_rx()
240 else if (dspi->bytes_per_word == 2) in dspi_push_rx()
244 dspi->rx += dspi->bytes_per_word; in dspi_push_rx()
361 / dspi->bytes_per_word; in dspi_dma_xfer()
372 dma->curr_xfer_len * dspi->bytes_per_word; in dspi_dma_xfer()
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| D | spi-st-ssc4.c | 63 u16 bytes_per_word; member
82 if (spi_st->bytes_per_word == 1) { in ssc_write_tx_fifo()
108 if (spi_st->bytes_per_word == 1) { in ssc_read_rx_fifo()
134 spi_st->bytes_per_word = 2; in spi_st_transfer_one()
142 spi_st->bytes_per_word = 2; in spi_st_transfer_one()
152 spi_st->bytes_per_word = 1; in spi_st_transfer_one()
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| D | spi-tegra20-sflash.c | 117 unsigned bytes_per_word; member
164 tsd->bytes_per_word = DIV_ROUND_UP(t->bits_per_word, 8); in tegra_sflash_calculate_curr_xfer_param()
165 max_word = remain_len / tsd->bytes_per_word; in tegra_sflash_calculate_curr_xfer_param()
182 nbytes = max_n_32bit * tsd->bytes_per_word; in tegra_sflash_fill_tx_fifo_from_client_txbuf()
189 for (i = 0; nbytes && (i < tsd->bytes_per_word); in tegra_sflash_fill_tx_fifo_from_client_txbuf()
198 tsd->cur_tx_pos += max_n_32bit * tsd->bytes_per_word; in tegra_sflash_fill_tx_fifo_from_client_txbuf()
214 for (i = 0; (i < tsd->bytes_per_word); i++) in tegra_sflash_read_rx_fifo_to_client_rxbuf()
219 tsd->cur_rx_pos += read_words * tsd->bytes_per_word; in tegra_sflash_read_rx_fifo_to_client_rxbuf()
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| D | spi-sh-msiof.c | 918 unsigned int bytes_per_word; in sh_msiof_transfer_one() local
984 bytes_per_word = 1; in sh_msiof_transfer_one()
988 bytes_per_word = 2; in sh_msiof_transfer_one()
999 bytes_per_word = 4; in sh_msiof_transfer_one()
1010 bytes_per_word = 4; in sh_msiof_transfer_one()
1023 words = len / bytes_per_word; in sh_msiof_transfer_one()
1032 tx_buf += n * bytes_per_word; in sh_msiof_transfer_one()
1034 rx_buf += n * bytes_per_word; in sh_msiof_transfer_one()
1037 if (words == 0 && (len % bytes_per_word)) { in sh_msiof_transfer_one()
1038 words = len % bytes_per_word; in sh_msiof_transfer_one()
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| D | spi-davinci.c | 128 u8 *bytes_per_word; member
301 dspi->bytes_per_word[spi->chip_select] = 1; in davinci_spi_setup_transfer()
305 dspi->bytes_per_word[spi->chip_select] = 2; in davinci_spi_setup_transfer()
588 data_type = dspi->bytes_per_word[spi->chip_select]; in davinci_spi_bufs()
900 dspi->bytes_per_word = devm_kcalloc(&pdev->dev, in davinci_spi_probe()
902 sizeof(*dspi->bytes_per_word), in davinci_spi_probe()
904 if (dspi->bytes_per_word == NULL) { in davinci_spi_probe()
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| D | spi-imx.c | 286 unsigned int bytes_per_word; in spi_imx_buf_rx_swap_u32() local
291 bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word); in spi_imx_buf_rx_swap_u32()
292 if (bytes_per_word == 1) in spi_imx_buf_rx_swap_u32()
294 else if (bytes_per_word == 2) in spi_imx_buf_rx_swap_u32()
336 unsigned int bytes_per_word; in spi_imx_buf_tx_swap_u32() local
346 bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word); in spi_imx_buf_tx_swap_u32()
348 if (bytes_per_word == 1) in spi_imx_buf_tx_swap_u32()
350 else if (bytes_per_word == 2) in spi_imx_buf_tx_swap_u32()
1342 unsigned int bytes_per_word, i; in spi_imx_dma_transfer() local
1346 bytes_per_word = spi_imx_bytes_per_word(transfer->bits_per_word); in spi_imx_dma_transfer()
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| D | spi-uniphier.c | 91 static inline unsigned int bytes_per_word(unsigned int bits) in bytes_per_word() function
244 wsize = min(bytes_per_word(priv->bits_per_word), priv->tx_bytes); in uniphier_spi_send()
271 rsize = min(bytes_per_word(priv->bits_per_word), priv->rx_bytes); in uniphier_spi_recv()
299 bytes_per_word(priv->bits_per_word)); in uniphier_spi_fill_tx_fifo()
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| D | spi-npcm-pspi.c | 68 static inline unsigned int bytes_per_word(unsigned int bits) in bytes_per_word() function
199 wsize = min(bytes_per_word(priv->bits_per_word), priv->tx_bytes); in npcm_pspi_send()
225 rsize = min(bytes_per_word(priv->bits_per_word), priv->rx_bytes); in npcm_pspi_recv()
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| D | spi-omap2-mcspi.c | 300 int max_fifo_depth, bytes_per_word; in omap2_mcspi_set_fifo() local
307 bytes_per_word = mcspi_bytes_per_word(cs->word_len); in omap2_mcspi_set_fifo()
308 if (t->len % bytes_per_word != 0) in omap2_mcspi_set_fifo()
316 wcnt = t->len / bytes_per_word; in omap2_mcspi_set_fifo()
323 xferlevel |= (bytes_per_word - 1) << 8; in omap2_mcspi_set_fifo()
328 xferlevel |= bytes_per_word - 1; in omap2_mcspi_set_fifo()
555 int bytes_per_word = mcspi_bytes_per_word(word_len); in omap2_mcspi_rx_dma() local
557 count -= (bytes_per_word << 1); in omap2_mcspi_rx_dma()
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| D | spi-fsl-lpspi.c | 184 unsigned int bytes_per_word; in fsl_lpspi_can_dma() local
189 bytes_per_word = fsl_lpspi_bytes_per_word(transfer->bits_per_word); in fsl_lpspi_can_dma()
191 switch (bytes_per_word) in fsl_lpspi_can_dma()
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| D | spi-rockchip.c | 576 unsigned int bytes_per_word = xfer->bits_per_word <= 8 ? 1 : 2; in rockchip_spi_can_dma() local
582 return xfer->len / bytes_per_word >= rs->fifo_len; in rockchip_spi_can_dma()
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