27 	SercomSpi *regs;  member
56 static void wait_synchronization(SercomSpi *regs)  in wait_synchronization()  argument
60 	while ((regs->SYNCBUSY.reg & SERCOM_SPI_SYNCBUSY_MASK) != 0) {  in wait_synchronization()
64 	while ((regs->STATUS.reg & SERCOM_SPI_STATUS_SYNCBUSY) != 0) {  in wait_synchronization()
76 	SercomSpi *regs = cfg->regs;  in spi_sam0_configure()  local
132 	if (regs->CTRLA.reg != ctrla.reg || regs->CTRLB.reg != ctrlb.reg ||  in spi_sam0_configure()
133 	    regs->BAUD.reg != div) {  in spi_sam0_configure()
134 		regs->CTRLA.bit.ENABLE = 0;  in spi_sam0_configure()
135 		wait_synchronization(regs);  in spi_sam0_configure()
137 		regs->CTRLB = ctrlb;  in spi_sam0_configure()
138 		wait_synchronization(regs);  in spi_sam0_configure()
139 		regs->BAUD.reg = div;  in spi_sam0_configure()
140 		wait_synchronization(regs);  in spi_sam0_configure()
141 		regs->CTRLA = ctrla;  in spi_sam0_configure()
142 		wait_synchronization(regs);  in spi_sam0_configure()
155 static void spi_sam0_shift_master(SercomSpi *regs, struct spi_sam0_data *data)  in spi_sam0_shift_master()  argument
166 	while (!regs->INTFLAG.bit.DRE) {  in spi_sam0_shift_master()
169 	regs->DATA.reg = tx;  in spi_sam0_shift_master()
172 	while (!regs->INTFLAG.bit.RXC) {  in spi_sam0_shift_master()
175 	rx = regs->DATA.reg;  in spi_sam0_shift_master()
184 static void spi_sam0_finish(SercomSpi *regs)  in spi_sam0_finish()  argument
186 	while (!regs->INTFLAG.bit.TXC) {  in spi_sam0_finish()
189 	while (regs->INTFLAG.bit.RXC) {  in spi_sam0_finish()
190 		(void)regs->DATA.reg;  in spi_sam0_finish()
195 static void spi_sam0_fast_tx(SercomSpi *regs, const struct spi_buf *tx_buf)  in spi_sam0_fast_tx()  argument
204 		while (!regs->INTFLAG.bit.DRE) {  in spi_sam0_fast_tx()
207 		regs->DATA.reg = ch;  in spi_sam0_fast_tx()
210 	spi_sam0_finish(regs);  in spi_sam0_fast_tx()
214 static void spi_sam0_fast_rx(SercomSpi *regs, const struct spi_buf *rx_buf)  in spi_sam0_fast_rx()  argument
225 		regs->DATA.reg = 0;  in spi_sam0_fast_rx()
229 		while (!regs->INTFLAG.bit.RXC) {  in spi_sam0_fast_rx()
231 		*rx++ = regs->DATA.reg;  in spi_sam0_fast_rx()
234 	spi_sam0_finish(regs);  in spi_sam0_fast_rx()
238 static void spi_sam0_fast_txrx(SercomSpi *regs,  in spi_sam0_fast_txrx()  argument
253 		regs->DATA.reg = *tx++;  in spi_sam0_fast_txrx()
256 		while (!regs->INTFLAG.bit.RXC) {  in spi_sam0_fast_txrx()
258 		*rx++ = regs->DATA.reg;  in spi_sam0_fast_txrx()
261 	spi_sam0_finish(regs);  in spi_sam0_fast_txrx()
273 	SercomSpi *regs = cfg->regs;  in spi_sam0_fast_transceive()  local
291 			spi_sam0_fast_rx(regs, rx);  in spi_sam0_fast_transceive()
293 			spi_sam0_fast_tx(regs, tx);  in spi_sam0_fast_transceive()
295 			spi_sam0_fast_txrx(regs, tx, rx);  in spi_sam0_fast_transceive()
305 		spi_sam0_fast_tx(regs, tx++);  in spi_sam0_fast_transceive()
309 		spi_sam0_fast_rx(regs, rx++);  in spi_sam0_fast_transceive()
359 	SercomSpi *regs = cfg->regs;  in spi_sam0_transceive()  local
382 			spi_sam0_shift_master(regs, data);  in spi_sam0_transceive()
411 	SercomSpi *regs = cfg->regs;  in spi_sam0_dma_rx_load()  local
436 	dma_blk.source_address = (uint32_t)(&(regs->DATA.reg));  in spi_sam0_dma_rx_load()
452 	SercomSpi *regs = cfg->regs;  in spi_sam0_dma_tx_load()  local
475 	dma_blk.dest_address = (uint32_t)(&(regs->DATA.reg));  in spi_sam0_dma_tx_load()
646 	SercomSpi *regs = cfg->regs;  in spi_sam0_init()  local
665 	regs->INTENCLR.reg = SERCOM_SPI_INTENCLR_MASK;  in spi_sam0_init()
666 	wait_synchronization(regs);  in spi_sam0_init()
723 	.regs = (SercomSpi *)DT_INST_REG_ADDR(n),			\
734 	.regs = (SercomSpi *)DT_INST_REG_ADDR(n),			\