40 static inline struct stm32_port *to_stm32_port(struct uart_port *port)  in to_stm32_port()
42 	return container_of(port, struct stm32_port, port);  in to_stm32_port()
103 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_config_rs485()  local
104 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_config_rs485()
105 	const struct stm32_usart_config *cfg = &stm32_port->info->cfg;  in stm32_usart_config_rs485()
172 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_pending_rx()  local
173 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_pending_rx()
179 	if (threaded && stm32_port->rx_ch) {  in stm32_usart_pending_rx()
180 		status = dmaengine_tx_status(stm32_port->rx_ch,  in stm32_usart_pending_rx()
181 					     stm32_port->rx_ch->cookie,  in stm32_usart_pending_rx()
196 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_get_char()  local
197 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_get_char()
200 	if (stm32_port->rx_ch) {  in stm32_usart_get_char()
201 		c = stm32_port->rx_buf[RX_BUF_L - (*last_res)--];  in stm32_usart_get_char()
207 		c &= stm32_port->rdr_mask;  in stm32_usart_get_char()
216 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_receive_chars()  local
217 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_receive_chars()
224 	while (stm32_usart_pending_rx(port, &sr, &stm32_port->last_res,  in stm32_usart_receive_chars()
244 		c = stm32_usart_get_char(port, &sr, &stm32_port->last_res);  in stm32_usart_receive_chars()
287 	struct stm32_port *stm32port = to_stm32_port(port);  in stm32_usart_tx_dma_complete()
303 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_tx_interrupt_enable()  local
304 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_tx_interrupt_enable()
310 	if (stm32_port->fifoen)  in stm32_usart_tx_interrupt_enable()
318 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_tx_interrupt_disable()  local
319 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_tx_interrupt_disable()
321 	if (stm32_port->fifoen)  in stm32_usart_tx_interrupt_disable()
329 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_transmit_chars_pio()  local
330 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_transmit_chars_pio()
333 	if (stm32_port->tx_dma_busy) {  in stm32_usart_transmit_chars_pio()
335 		stm32_port->tx_dma_busy = false;  in stm32_usart_transmit_chars_pio()
356 	struct stm32_port *stm32port = to_stm32_port(port);  in stm32_usart_transmit_chars_dma()
422 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_transmit_chars()  local
423 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_transmit_chars()
429 		if (stm32_port->tx_dma_busy)  in stm32_usart_transmit_chars()
444 		if (stm32_port->tx_dma_busy)  in stm32_usart_transmit_chars()
459 	if (stm32_port->tx_ch)  in stm32_usart_transmit_chars()
475 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_interrupt()  local
476 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_interrupt()
494 	if ((sr & USART_SR_RXNE) && !(stm32_port->rx_ch))  in stm32_usart_interrupt()
497 	if ((sr & USART_SR_TXE) && !(stm32_port->tx_ch)) {  in stm32_usart_interrupt()
503 	if (stm32_port->rx_ch)  in stm32_usart_interrupt()
512 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_threaded_interrupt()  local
514 	if (stm32_port->rx_ch)  in stm32_usart_threaded_interrupt()
522 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_tx_empty()  local
523 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_tx_empty()
533 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_set_mctrl()  local
534 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_set_mctrl()
541 	mctrl_gpio_set(stm32_port->gpios, mctrl);  in stm32_usart_set_mctrl()
546 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_get_mctrl()  local
552 	return mctrl_gpio_get(stm32_port->gpios, &ret);  in stm32_usart_get_mctrl()
568 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_stop_tx()  local
575 			mctrl_gpio_set(stm32_port->gpios,  in stm32_usart_stop_tx()
576 					stm32_port->port.mctrl & ~TIOCM_RTS);  in stm32_usart_stop_tx()
578 			mctrl_gpio_set(stm32_port->gpios,  in stm32_usart_stop_tx()
579 					stm32_port->port.mctrl | TIOCM_RTS);  in stm32_usart_stop_tx()
587 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_start_tx()  local
596 			mctrl_gpio_set(stm32_port->gpios,  in stm32_usart_start_tx()
597 					stm32_port->port.mctrl | TIOCM_RTS);  in stm32_usart_start_tx()
599 			mctrl_gpio_set(stm32_port->gpios,  in stm32_usart_start_tx()
600 					stm32_port->port.mctrl & ~TIOCM_RTS);  in stm32_usart_start_tx()
610 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_throttle()  local
611 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_throttle()
615 	stm32_usart_clr_bits(port, ofs->cr1, stm32_port->cr1_irq);  in stm32_usart_throttle()
616 	if (stm32_port->cr3_irq)  in stm32_usart_throttle()
617 		stm32_usart_clr_bits(port, ofs->cr3, stm32_port->cr3_irq);  in stm32_usart_throttle()
625 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_unthrottle()  local
626 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_unthrottle()
630 	stm32_usart_set_bits(port, ofs->cr1, stm32_port->cr1_irq);  in stm32_usart_unthrottle()
631 	if (stm32_port->cr3_irq)  in stm32_usart_unthrottle()
632 		stm32_usart_set_bits(port, ofs->cr3, stm32_port->cr3_irq);  in stm32_usart_unthrottle()
640 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_stop_rx()  local
641 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_stop_rx()
643 	stm32_usart_clr_bits(port, ofs->cr1, stm32_port->cr1_irq);  in stm32_usart_stop_rx()
644 	if (stm32_port->cr3_irq)  in stm32_usart_stop_rx()
645 		stm32_usart_clr_bits(port, ofs->cr3, stm32_port->cr3_irq);  in stm32_usart_stop_rx()
655 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_startup()  local
656 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_startup()
657 	const struct stm32_usart_config *cfg = &stm32_port->info->cfg;  in stm32_usart_startup()
674 	val = stm32_port->cr1_irq | USART_CR1_RE | BIT(cfg->uart_enable_bit);  in stm32_usart_startup()
682 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_shutdown()  local
683 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_shutdown()
684 	const struct stm32_usart_config *cfg = &stm32_port->info->cfg;  in stm32_usart_shutdown()
692 	val |= stm32_port->cr1_irq | USART_CR1_RE;  in stm32_usart_shutdown()
694 	if (stm32_port->fifoen)  in stm32_usart_shutdown()
748 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_set_termios()  local
749 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_set_termios()
750 	const struct stm32_usart_config *cfg = &stm32_port->info->cfg;  in stm32_usart_set_termios()
759 	if (!stm32_port->hw_flow_control)  in stm32_usart_set_termios()
784 	if (stm32_port->fifoen)  in stm32_usart_set_termios()
791 	if (stm32_port->fifoen) {  in stm32_usart_set_termios()
801 	stm32_port->rdr_mask = (BIT(bits) - 1);  in stm32_usart_set_termios()
832 	if (ofs->rtor != UNDEF_REG && (stm32_port->rx_ch ||  in stm32_usart_set_termios()
833 				       stm32_port->fifoen)) {  in stm32_usart_set_termios()
840 		stm32_port->cr1_irq = USART_CR1_RTOIE;  in stm32_usart_set_termios()
844 		if (!stm32_port->rx_ch)  in stm32_usart_set_termios()
845 			stm32_port->cr3_irq =  USART_CR3_RXFTIE;  in stm32_usart_set_termios()
848 	cr1 |= stm32_port->cr1_irq;  in stm32_usart_set_termios()
849 	cr3 |= stm32_port->cr3_irq;  in stm32_usart_set_termios()
908 	if (stm32_port->rx_ch)  in stm32_usart_set_termios()
930 	if (stm32_port->wakeirq > 0) {  in stm32_usart_set_termios()
979 	struct stm32_port *stm32port = container_of(port,  in stm32_usart_pm()
980 			struct stm32_port, port);  in stm32_usart_pm()
1020 static int stm32_usart_init_port(struct stm32_port *stm32port,  in stm32_usart_init_port()
1099 static struct stm32_port *stm32_usart_of_get_port(struct platform_device *pdev)  in stm32_usart_of_get_port()
1137 static int stm32_usart_of_dma_rx_probe(struct stm32_port *stm32port,  in stm32_usart_of_dma_rx_probe()
1219 static int stm32_usart_of_dma_tx_probe(struct stm32_port *stm32port,  in stm32_usart_of_dma_tx_probe()
1272 	struct stm32_port *stm32port;  in stm32_usart_serial_probe()
1363 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_serial_remove()  local
1364 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_serial_remove()
1378 	if (stm32_port->rx_ch) {  in stm32_usart_serial_remove()
1379 		dmaengine_terminate_async(stm32_port->rx_ch);  in stm32_usart_serial_remove()
1380 		dma_release_channel(stm32_port->rx_ch);  in stm32_usart_serial_remove()
1383 	if (stm32_port->rx_dma_buf)  in stm32_usart_serial_remove()
1385 				  RX_BUF_L, stm32_port->rx_buf,  in stm32_usart_serial_remove()
1386 				  stm32_port->rx_dma_buf);  in stm32_usart_serial_remove()
1390 	if (stm32_port->tx_ch) {  in stm32_usart_serial_remove()
1391 		dmaengine_terminate_async(stm32_port->tx_ch);  in stm32_usart_serial_remove()
1392 		dma_release_channel(stm32_port->tx_ch);  in stm32_usart_serial_remove()
1395 	if (stm32_port->tx_dma_buf)  in stm32_usart_serial_remove()
1397 				  TX_BUF_L, stm32_port->tx_buf,  in stm32_usart_serial_remove()
1398 				  stm32_port->tx_dma_buf);  in stm32_usart_serial_remove()
1400 	if (stm32_port->wakeirq > 0) {  in stm32_usart_serial_remove()
1405 	clk_disable_unprepare(stm32_port->clk);  in stm32_usart_serial_remove()
1413 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_console_putchar()  local
1414 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_console_putchar()
1426 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_console_write()  local
1427 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_console_write()
1428 	const struct stm32_usart_config *cfg = &stm32_port->info->cfg;  in stm32_usart_console_write()
1459 	struct stm32_port *stm32port;  in stm32_usart_console_setup()
1513 	struct stm32_port *stm32_port = to_stm32_port(port);  in stm32_usart_serial_en_wakeup()  local
1514 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_usart_serial_en_wakeup()
1516 	if (stm32_port->wakeirq <= 0)  in stm32_usart_serial_en_wakeup()
1574 	struct stm32_port *stm32port = container_of(port,  in stm32_usart_runtime_suspend()
1575 			struct stm32_port, port);  in stm32_usart_runtime_suspend()
1585 	struct stm32_port *stm32port = container_of(port,  in stm32_usart_runtime_resume()
1586 			struct stm32_port, port);  in stm32_usart_runtime_resume()