static void ks8695uart_shutdown(struct uart_port *port) { free_irq(KS8695_IRQ_UART_RX, port); free_irq(KS8695_IRQ_UART_TX, port); free_irq(KS8695_IRQ_UART_MODEM_STATUS, port); free_irq(KS8695_IRQ_UART_LINE_STATUS, port); UART_PUT_LCR(port, UART_GET_LCR(port) & ~URLC_URSBC); UART_PUT_FCR(port, UART_GET_FCR(port) & ~URFC_URFE); }
static void ks8695uart_shutdown(struct uart_port *port) { /* * Free the interrupt */ free_irq(KS8695_IRQ_UART_RX, port); free_irq(KS8695_IRQ_UART_TX, port); free_irq(KS8695_IRQ_UART_MODEM_STATUS, port); free_irq(KS8695_IRQ_UART_LINE_STATUS, port); /* disable break condition and fifos */ UART_PUT_LCR(port, UART_GET_LCR(port) & ~URLC_URSBC); UART_PUT_FCR(port, UART_GET_FCR(port) & ~URFC_URFE); }
static void ambauart_shutdown(struct uart_port *port) { #if DEBUG printk("ambauart_shutdown\n"); #endif /* * disable all interrupts, disable the port */ UART_PUT_IER(port, UART_GET_IER(port) & 0xFFFFF0FF); /* disable break condition and fifos */ UART_PUT_LCR(port, UART_GET_LCR(port) & ~KS8695_UART_LINEC_BRK); UART_PUT_FCR(port, UART_GET_FCR(port) & ~KS8695_UART_FIFO_FEN); free_irq(KS8695_INT_UART_RX, port); free_irq(KS8695_INT_UART_TX, port); free_irq(KS8695_INT_UART_MODEMS, port); free_irq(KS8695_INT_UART_LINE_ERR, port); }
static void ks8695uart_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { unsigned int lcr, fcr = 0; unsigned long flags; unsigned int baud, quot; /* * Ask the core to calculate the divisor for us. */ baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); quot = uart_get_divisor(port, baud); switch (termios->c_cflag & CSIZE) { case CS5: lcr = URCL_5; break; case CS6: lcr = URCL_6; break; case CS7: lcr = URCL_7; break; default: lcr = URCL_8; break; } /* stop bits */ if (termios->c_cflag & CSTOPB) lcr |= URLC_URSB; /* parity */ if (termios->c_cflag & PARENB) { if (termios->c_cflag & CMSPAR) { /* Mark or Space parity */ if (termios->c_cflag & PARODD) lcr |= URPE_MARK; else lcr |= URPE_SPACE; } else if (termios->c_cflag & PARODD) lcr |= URPE_ODD; else lcr |= URPE_EVEN; } if (port->fifosize > 1) fcr = URFC_URFRT_8 | URFC_URTFR | URFC_URRFR | URFC_URFE; spin_lock_irqsave(&port->lock, flags); /* * Update the per-port timeout. */ uart_update_timeout(port, termios->c_cflag, baud); port->read_status_mask = URLS_URROE; if (termios->c_iflag & INPCK) port->read_status_mask |= (URLS_URFE | URLS_URPE); if (termios->c_iflag & (BRKINT | PARMRK)) port->read_status_mask |= URLS_URBI; /* * Characters to ignore */ port->ignore_status_mask = 0; if (termios->c_iflag & IGNPAR) port->ignore_status_mask |= (URLS_URFE | URLS_URPE); if (termios->c_iflag & IGNBRK) { port->ignore_status_mask |= URLS_URBI; /* * If we're ignoring parity and break indicators, * ignore overruns too (for real raw support). */ if (termios->c_iflag & IGNPAR) port->ignore_status_mask |= URLS_URROE; } /* * Ignore all characters if CREAD is not set. */ if ((termios->c_cflag & CREAD) == 0) port->ignore_status_mask |= UART_DUMMY_LSR_RX; /* first, disable everything */ if (UART_ENABLE_MS(port, termios->c_cflag)) ks8695uart_enable_ms(port); else ks8695uart_disable_ms(port); /* Set baud rate */ UART_PUT_BRDR(port, quot); UART_PUT_LCR(port, lcr); UART_PUT_FCR(port, fcr); spin_unlock_irqrestore(&port->lock, flags); }
static void ambauart_change_speed(struct uart_port *port, u_int cflag, u_int iflag, u_int quot) { u_int lcr, old_ier, fcr=0; unsigned long flags; #if DEBUG printk("ambauart_set_cflag(0x%x) called\n", cflag); #endif //printk("ambauart_change_speed\n"); /* byte size and parity */ switch (cflag & CSIZE) { case CS5: lcr = KS8695_UART_LINEC_WLEN5; break; case CS6: lcr = KS8695_UART_LINEC_WLEN6; break; case CS7: lcr = KS8695_UART_LINEC_WLEN7; break; default: lcr = KS8695_UART_LINEC_WLEN8; break; // CS8 } if (cflag & CSTOPB) lcr |= KS8695_UART_LINEC_STP2; if (cflag & PARENB) { lcr |= KS8695_UART_LINEC_PEN; if (!(cflag & PARODD)) lcr |= KS8695_UART_LINEC_EPS; } if (port->fifosize > 1) fcr = KS8695_UART_FIFO_TRIG04 | KS8695_UART_FIFO_TXRST | KS8695_UART_FIFO_RXRST | KS8695_UART_FIFO_FEN; port->read_status_mask = KS8695_UART_LINES_OE; if (iflag & INPCK) port->read_status_mask |= (KS8695_UART_LINES_FE | KS8695_UART_LINES_PE); if (iflag & (BRKINT | PARMRK)) port->read_status_mask |= KS8695_UART_LINES_BE; /* * Characters to ignore */ port->ignore_status_mask = 0; if (iflag & IGNPAR) port->ignore_status_mask |= (KS8695_UART_LINES_FE | KS8695_UART_LINES_PE); if (iflag & IGNBRK) { port->ignore_status_mask |= KS8695_UART_LINES_BE; /* * If we're ignoring parity and break indicators, * ignore overruns too (for real raw support). */ if (iflag & IGNPAR) port->ignore_status_mask |= KS8695_UART_LINES_OE; } /* * Ignore all characters if CREAD is not set. */ if ((cflag & CREAD) == 0) port->ignore_status_mask |= UART_DUMMY_LSR_RX; /* first, disable everything */ save_flags(flags); cli(); old_ier = UART_GET_IER(port); UART_PUT_IER(port, old_ier & 0xFFFFF0FF); old_ier &= ~KS8695_INT_ENABLE_MODEM; if ((port->flags & ASYNC_HARDPPS_CD) || (cflag & CRTSCTS) || !(cflag & CLOCAL)) old_ier |= KS8695_INT_ENABLE_MODEM; /* Set baud rate */ // UART_PUT_BRDR(port, port->uartclk / quot); UART_PUT_BRDR(port, 0x28B); UART_PUT_LCR(port, lcr); UART_PUT_FCR(port, fcr); UART_PUT_IER(port, old_ier & 0xFFFFFEFF); restore_flags(flags); }
static void ks8695uart_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { unsigned int lcr, fcr = 0; unsigned long flags; unsigned int baud, quot; baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); quot = uart_get_divisor(port, baud); switch (termios->c_cflag & CSIZE) { case CS5: lcr = URCL_5; break; case CS6: lcr = URCL_6; break; case CS7: lcr = URCL_7; break; default: lcr = URCL_8; break; } if (termios->c_cflag & CSTOPB) lcr |= URLC_URSB; if (termios->c_cflag & PARENB) { if (termios->c_cflag & CMSPAR) { if (termios->c_cflag & PARODD) lcr |= URPE_MARK; else lcr |= URPE_SPACE; } else if (termios->c_cflag & PARODD) lcr |= URPE_ODD; else lcr |= URPE_EVEN; } if (port->fifosize > 1) fcr = URFC_URFRT_8 | URFC_URTFR | URFC_URRFR | URFC_URFE; spin_lock_irqsave(&port->lock, flags); uart_update_timeout(port, termios->c_cflag, baud); port->read_status_mask = URLS_URROE; if (termios->c_iflag & INPCK) port->read_status_mask |= (URLS_URFE | URLS_URPE); if (termios->c_iflag & (BRKINT | PARMRK)) port->read_status_mask |= URLS_URBI; port->ignore_status_mask = 0; if (termios->c_iflag & IGNPAR) port->ignore_status_mask |= (URLS_URFE | URLS_URPE); if (termios->c_iflag & IGNBRK) { port->ignore_status_mask |= URLS_URBI; if (termios->c_iflag & IGNPAR) port->ignore_status_mask |= URLS_URROE; } if ((termios->c_cflag & CREAD) == 0) port->ignore_status_mask |= UART_DUMMY_LSR_RX; if (UART_ENABLE_MS(port, termios->c_cflag)) ks8695uart_enable_ms(port); else ks8695uart_disable_ms(port); UART_PUT_BRDR(port, quot); UART_PUT_LCR(port, lcr); UART_PUT_FCR(port, fcr); spin_unlock_irqrestore(&port->lock, flags); }