Lines Matching +full:rx +full:- +full:tx +full:- +full:swap

1 /* SPDX-License-Identifier: GPL-2.0 */
9 #define DRIVER_NAME "stm32-usart"
249 #define RX_BUF_L 200		 /* dma rx buffer length     */
250 #define RX_BUF_P RX_BUF_L	 /* dma rx buffer period     */
251 #define TX_BUF_L 200		 /* dma tx buffer length     */
257 	struct dma_chan *rx_ch;  /* dma rx channel            */
258 	dma_addr_t rx_dma_buf;   /* dma rx buffer bus address */
259 	unsigned char *rx_buf;   /* dma rx buffer cpu address */
260 	struct dma_chan *tx_ch;  /* dma tx channel            */
261 	dma_addr_t tx_dma_buf;   /* dma tx buffer bus address */
262 	unsigned char *tx_buf;   /* dma tx buffer cpu address */
266 	bool tx_dma_busy;	 /* dma tx busy               */
268 	bool swap;		 /* swap RX & TX pins */  member
270 	int rxftcfg;		/* RX FIFO threshold CFG      */
271 	int txftcfg;		/* TX FIFO threshold CFG      */