56 	mxc_spi_req_t req;  member
80 static void spi_max32_callback(mxc_spi_req_t *req, int error);
166 static void spi_max32_setup(mxc_spi_regs_t *spi, mxc_spi_req_t *req)  in spi_max32_setup()  argument
168 	req->rxCnt = 0;  in spi_max32_setup()
169 	req->txCnt = 0;  in spi_max32_setup()
172 		MXC_SPI_SetSlave(spi, req->ssIdx);  in spi_max32_setup()
175 	if (req->rxData && req->rxLen) {  in spi_max32_setup()
177 			     req->rxLen << MXC_F_SPI_CTRL1_RX_NUM_CHAR_POS);  in spi_max32_setup()
184 	if (req->txLen) {  in spi_max32_setup()
186 			     req->txLen << MXC_F_SPI_CTRL1_TX_NUM_CHAR_POS);  in spi_max32_setup()
203 	mxc_spi_req_t *req = &data->req;  in spi_max32_transceive_sync()  local
209 	tx_len = req->txLen << dfs_shift;  in spi_max32_transceive_sync()
210 	rx_len = req->rxLen << dfs_shift;  in spi_max32_transceive_sync()
212 		remain = tx_len - req->txCnt;  in spi_max32_transceive_sync()
214 			if (!data->req.txData) {  in spi_max32_transceive_sync()
215 				req->txCnt += MXC_SPI_WriteTXFIFO(spi, data->dummy,  in spi_max32_transceive_sync()
218 				req->txCnt +=  in spi_max32_transceive_sync()
219 					MXC_SPI_WriteTXFIFO(spi, &req->txData[req->txCnt], remain);  in spi_max32_transceive_sync()
226 		if (req->rxCnt < rx_len) {  in spi_max32_transceive_sync()
227 			req->rxCnt += MXC_SPI_ReadRXFIFO(spi, &req->rxData[req->rxCnt],  in spi_max32_transceive_sync()
228 							 rx_len - req->rxCnt);  in spi_max32_transceive_sync()
230 	} while ((req->txCnt < tx_len) || (req->rxCnt < rx_len));  in spi_max32_transceive_sync()
264 		data->req.rxData = sqe->rx.buf;  in spi_max32_transceive()
265 		data->req.rxLen = sqe->rx.buf_len;  in spi_max32_transceive()
266 		data->req.txData = NULL;  in spi_max32_transceive()
267 		data->req.txLen = len >> dfs_shift;  in spi_max32_transceive()
271 		data->req.rxLen = 0;  in spi_max32_transceive()
272 		data->req.rxData = data->dummy;  in spi_max32_transceive()
273 		data->req.txData = (uint8_t *)sqe->tx.buf;  in spi_max32_transceive()
274 		data->req.txLen = len >> dfs_shift;  in spi_max32_transceive()
278 		data->req.txData = (uint8_t *)sqe->tiny_tx.buf;  in spi_max32_transceive()
279 		data->req.rxData = data->dummy;  in spi_max32_transceive()
280 		data->req.txLen = len >> dfs_shift;  in spi_max32_transceive()
281 		data->req.rxLen = 0;  in spi_max32_transceive()
285 		data->req.txData = (uint8_t *)sqe->txrx.tx_buf;  in spi_max32_transceive()
286 		data->req.rxData = sqe->txrx.rx_buf;  in spi_max32_transceive()
287 		data->req.txLen = len >> dfs_shift;  in spi_max32_transceive()
288 		data->req.rxLen = len >> dfs_shift;  in spi_max32_transceive()
294 	data->req.txLen = len >> dfs_shift;  in spi_max32_transceive()
295 	data->req.txData = (uint8_t *)ctx->tx_buf;  in spi_max32_transceive()
296 	data->req.rxLen = len >> dfs_shift;  in spi_max32_transceive()
297 	data->req.rxData = ctx->rx_buf;  in spi_max32_transceive()
299 	data->req.rxData = ctx->rx_buf;  in spi_max32_transceive()
301 	data->req.rxLen = len >> dfs_shift;  in spi_max32_transceive()
302 	if (!data->req.rxData) {  in spi_max32_transceive()
306 		data->req.rxData = data->dummy;  in spi_max32_transceive()
307 		data->req.rxLen = 0;  in spi_max32_transceive()
310 	data->req.spi = cfg->regs;  in spi_max32_transceive()
311 	data->req.ssIdx = ctx->config->slave;  in spi_max32_transceive()
312 	data->req.ssDeassert = 0;  in spi_max32_transceive()
313 	data->req.txCnt = 0;  in spi_max32_transceive()
314 	data->req.rxCnt = 0;  in spi_max32_transceive()
315 	spi_max32_setup(cfg->regs, &data->req);  in spi_max32_transceive()
318 	if (data->req.rxLen) {  in spi_max32_transceive()
324 	if (!data->req.txData) {  in spi_max32_transceive()
325 		data->req.txCnt =  in spi_max32_transceive()
328 		data->req.txCnt = MXC_SPI_WriteTXFIFO(cfg->regs, data->req.txData, len);  in spi_max32_transceive()
742 static void spi_max32_callback(mxc_spi_req_t *req, int error)  in spi_max32_callback()  argument
744 	struct max32_spi_data *data = CONTAINER_OF(req, struct max32_spi_data, req);  in spi_max32_callback()
766 			req->spi->ctrl0 &= ~(MXC_F_SPI_CTRL0_START | MXC_F_SPI_CTRL0_SS_CTRL |  in spi_max32_callback()
768 			req->spi->ctrl0 |= MXC_F_SPI_CTRL0_EN;  in spi_max32_callback()
795 	mxc_spi_req_t *req = &data->req;  in spi_max32_isr()  local
803 	remain = (req->txLen << dfs_shift) - req->txCnt;  in spi_max32_isr()
806 			if (!data->req.txData) {  in spi_max32_isr()
807 				req->txCnt += MXC_SPI_WriteTXFIFO(cfg->regs, data->dummy,  in spi_max32_isr()
810 				req->txCnt +=  in spi_max32_isr()
811 					MXC_SPI_WriteTXFIFO(spi, &req->txData[req->txCnt], remain);  in spi_max32_isr()
818 	remain = (req->rxLen << dfs_shift) - req->rxCnt;  in spi_max32_isr()
820 		req->rxCnt += MXC_SPI_ReadRXFIFO(spi, &req->rxData[req->rxCnt], remain);  in spi_max32_isr()
821 		remain = (req->rxLen << dfs_shift) - req->rxCnt;  in spi_max32_isr()
831 	if ((req->txLen == req->txCnt) && (req->rxLen == req->rxCnt)) {  in spi_max32_isr()
835 			spi_max32_callback(req, 0);  in spi_max32_isr()