82 static uint32_t uart_baud_divider_get(struct mec_uart_regs *base)  in uart_baud_divider_get()  argument
86     base->LCR |= MEC_BIT(MEC_UART_LCR_DLAB_Pos);  in uart_baud_divider_get()
87     brdiv = base->IER;  in uart_baud_divider_get()
89     brdiv |= base->RXB;  in uart_baud_divider_get()
90     base->LCR &= (uint8_t)~MEC_BIT(MEC_UART_LCR_DLAB_Pos);  in uart_baud_divider_get()
95 static void uart_prog_fifos(struct mec_uart_regs *base, uint8_t fifo_mode)  in uart_prog_fifos()  argument
101     base->FCR = temp;  in uart_prog_fifos()
102     base->SCR = temp;  in uart_prog_fifos()
106     base->FCR = temp;  in uart_prog_fifos()
107     base->SCR = temp;  in uart_prog_fifos()
110 int mec_hal_uart_tx_fifo_size(struct mec_uart_regs *base)  in mec_hal_uart_tx_fifo_size()  argument
112     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_tx_fifo_size()
118     if (base->SCR & MEC_BIT(MEC_UART_FCR_EXRF_Pos)) {  in mec_hal_uart_tx_fifo_size()
125 int mec_hal_uart_rx_fifo_size(struct mec_uart_regs *base)  in mec_hal_uart_rx_fifo_size()  argument
127     return mec_hal_uart_tx_fifo_size(base);  in mec_hal_uart_rx_fifo_size()
136 int mec_hal_uart_clock_freq_get(struct mec_uart_regs *base, uint32_t *clock_freq)  in mec_hal_uart_clock_freq_get()  argument
138     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_clock_freq_get()
145     if (base->CFGS & MEC_BIT(MEC_UART_CFGS_CLK_SRC_EXT_Pos)) {  in mec_hal_uart_clock_freq_get()
150     brdiv = uart_baud_divider_get(base);  in mec_hal_uart_clock_freq_get()
160 int mec_hal_uart_parity_set(struct mec_uart_regs *base, uint8_t parity)  in mec_hal_uart_parity_set()  argument
162     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_parity_set()
171     base->LSR = (base->LSR & (uint8_t)~(MEC_UART_LCR_PARITY_Msk | MEC_UART_LCR_PARITY_SEL_Msk))  in mec_hal_uart_parity_set()
177 int mec_hal_uart_parity_get(struct mec_uart_regs *base, uint8_t *parity)  in mec_hal_uart_parity_get()  argument
179     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_parity_get()
186     reg_val = base->LCR & (MEC_UART_LCR_PARITY_Msk | MEC_UART_LCR_PARITY_SEL_Msk);  in mec_hal_uart_parity_get()
198 int mec_hal_uart_word_len_set(struct mec_uart_regs *base, uint8_t word_len)  in mec_hal_uart_word_len_set()  argument
200     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_word_len_set()
209     base->LCR = (base->LCR & (uint8_t)~MEC_UART_LCR_WORD_LEN_Msk) | val;  in mec_hal_uart_word_len_set()
214 int mec_hal_uart_word_len_get(struct mec_uart_regs *base, uint8_t *word_len)  in mec_hal_uart_word_len_get()  argument
216     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_word_len_get()
223     temp = base->LCR & MEC_UART_LCR_WORD_LEN_Msk;  in mec_hal_uart_word_len_get()
238 int mec_hal_uart_stop_bits_set(struct mec_uart_regs *base, uint8_t stop_bits)  in mec_hal_uart_stop_bits_set()  argument
240     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_stop_bits_set()
247         base->LCR |= MEC_BIT(MEC_UART_LCR_STOP_BITS_Pos);  in mec_hal_uart_stop_bits_set()
249         base->LCR &= (uint8_t)~MEC_BIT(MEC_UART_LCR_STOP_BITS_Pos);  in mec_hal_uart_stop_bits_set()
255 int mec_hal_uart_stop_bits_get(struct mec_uart_regs *base, uint8_t *stop_bits)  in mec_hal_uart_stop_bits_get()  argument
257     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_stop_bits_get()
263     if (base->LCR & MEC_BIT(MEC_UART_LCR_STOP_BITS_Pos)) {  in mec_hal_uart_stop_bits_get()
272 int mec_hal_uart_fifo_control(struct mec_uart_regs *base, uint8_t fifo_mode)  in mec_hal_uart_fifo_control()  argument
274     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_fifo_control()
280     uart_prog_fifos(base, fifo_mode);  in mec_hal_uart_fifo_control()
535 int mec_hal_uart_baud_rate_set(struct mec_uart_regs *base, uint32_t baud, uint32_t extclk_hz)  in mec_hal_uart_baud_rate_set()  argument
537     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_baud_rate_set()
544     ret = prog_baud_rate(base, baud, extclk_hz);  in mec_hal_uart_baud_rate_set()
549 int mec_hal_uart_intr_control(struct mec_uart_regs *base, uint8_t enmask)  in mec_hal_uart_intr_control()  argument
551     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_intr_control()
557     base->IER = enmask & (MEC_UART_IER_ERDAI_Msk | MEC_UART_IER_ETHREI_Msk  in mec_hal_uart_intr_control()
567 int mec_hal_uart_intr_mask(struct mec_uart_regs *base, uint8_t msk, uint8_t val)  in mec_hal_uart_intr_mask()  argument
569     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_intr_mask()
575     base->IER = (base->IER & ~msk) | val;  in mec_hal_uart_intr_mask()
580 int mec_hal_uart_raw_status(struct mec_uart_regs *base, enum mec_uart_sts_reg regid,  in mec_hal_uart_raw_status()  argument
583     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_raw_status()
591         *status = base->IIR;  in mec_hal_uart_raw_status()
594         *status = base->LSR;  in mec_hal_uart_raw_status()
597         *status = base->MSR;  in mec_hal_uart_raw_status()
607 int mec_hal_uart_pending_status(struct mec_uart_regs *base, enum mec_uart_ipend *ipend)  in mec_hal_uart_pending_status()  argument
609     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_pending_status()
616     iir = base->IIR;  in mec_hal_uart_pending_status()
646 int mec_hal_uart_is_rx_data(struct mec_uart_regs *base)  in mec_hal_uart_is_rx_data()  argument
648     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_is_rx_data()
654     if (base->LSR & MEC_BIT(MEC_UART_LSR_DRDY_Pos)) {  in mec_hal_uart_is_rx_data()
662 int mec_hal_uart_is_tx_fifo_empty(struct mec_uart_regs *base)  in mec_hal_uart_is_tx_fifo_empty()  argument
664     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_is_tx_fifo_empty()
670     if (base->LSR & MEC_BIT(MEC_UART_LSR_THRE_Pos)) {  in mec_hal_uart_is_tx_fifo_empty()
678 int mec_hal_uart_is_tx_empty(struct mec_uart_regs *base)  in mec_hal_uart_is_tx_empty()  argument
680     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_is_tx_empty()
686     if (base->LSR & MEC_BIT(MEC_UART_LSR_THSE_Pos)) {  in mec_hal_uart_is_tx_empty()
693 int mec_hal_uart_dtr_rts_set(struct mec_uart_regs *base, uint8_t sel_rts,  in mec_hal_uart_dtr_rts_set()  argument
696     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_dtr_rts_set()
708         base->MCR |= MEC_BIT(bitpos);  in mec_hal_uart_dtr_rts_set()
710         base->MCR &= (uint8_t)~MEC_BIT(bitpos);  in mec_hal_uart_dtr_rts_set()
737 int mec_hal_uart_tx_byte(struct mec_uart_regs *base, uint8_t data)  in mec_hal_uart_tx_byte()  argument
739     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_tx_byte()
746     if (base->IIR & MEC_UART_IIR_FIFO_STATE_Msk) { /* FIFOs enabled? */  in mec_hal_uart_tx_byte()
747         if (!(base->LSRB & MEC_BIT(MEC_UART_LSRB_TXF_FULL_STS_Pos))) { /* if not full */  in mec_hal_uart_tx_byte()
748             base->TXB = data;  in mec_hal_uart_tx_byte()
757     if (base->LSR & MEC_BIT(MEC_UART_LSR_THRE_Pos)) {  in mec_hal_uart_tx_byte()
758         base->TXB = data;  in mec_hal_uart_tx_byte()
765 int mec_hal_uart_tx(struct mec_uart_regs * base, const uint8_t *data, size_t datasz)  in mec_hal_uart_tx()  argument
767     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_tx()
779     if (base->IIR & MEC_UART_IIR_FIFO_STATE_Msk) { /* FIFOs enabled? */  in mec_hal_uart_tx()
781             if (!(base->LSRB & MEC_BIT(MEC_UART_LSRB_TXF_FULL_STS_Pos))) {  in mec_hal_uart_tx()
782                 base->TXB = data[n++];  in mec_hal_uart_tx()
791         if (base->LSR & MEC_BIT(MEC_UART_LSR_THRE_Pos)) {  in mec_hal_uart_tx()
798                 base->TXB = data[n];  in mec_hal_uart_tx()
807 int mec_hal_uart_rx_byte(struct mec_uart_regs *base, uint8_t *data)  in mec_hal_uart_rx_byte()  argument
809     const struct mec_uart_info *info = get_uart_info(base);  in mec_hal_uart_rx_byte()
817     lsr = base->LSR;  in mec_hal_uart_rx_byte()
818     if (base->LSR & MEC_BIT(MEC_UART_LSR_DRDY_Pos)) {  in mec_hal_uart_rx_byte()
819         temp = base->RXB;  in mec_hal_uart_rx_byte()