static void receive_chars(struct m68k_serial *info, unsigned short rx)
{
struct tty_struct *tty = info->tty;
m68328_uart *uart = &uart_addr[info->line];
unsigned char ch, flag;
/*
* This do { } while() loop will get ALL chars out of Rx FIFO
*/
#ifndef CONFIG_XCOPILOT_BUGS
do {
#endif
ch = GET_FIELD(rx, URX_RXDATA);
if(info->is_cons) {
if(URX_BREAK & rx) { /* whee, break received */
status_handle(info, rx);
return;
#ifdef CONFIG_MAGIC_SYSRQ
} else if (ch == 0x10) { /* ^P */
show_state();
show_free_areas(0);
show_buffers();
/* show_net_buffers(); */
return;
} else if (ch == 0x12) { /* ^R */
emergency_restart();
return;
#endif /* CONFIG_MAGIC_SYSRQ */
}
}
if(!tty)
goto clear_and_exit;
flag = TTY_NORMAL;
if(rx & URX_PARITY_ERROR) {
flag = TTY_PARITY;
status_handle(info, rx);
} else if(rx & URX_OVRUN) {
flag = TTY_OVERRUN;
status_handle(info, rx);
} else if(rx & URX_FRAME_ERROR) {
flag = TTY_FRAME;
status_handle(info, rx);
}
tty_insert_flip_char(tty, ch, flag);
#ifndef CONFIG_XCOPILOT_BUGS
} while((rx = uart->urx.w) & URX_DATA_READY);
#endif
tty_schedule_flip(tty);
clear_and_exit:
return;
}
static _INLINE_ void receive_chars(struct NIOS_serial *info, struct pt_regs *regs, unsigned short rx)
{
struct tty_struct *tty = info->tty;
unsigned char ch;
np_uart * uart= (np_uart *)(info->port);
/*
* This do { } while() loop will get ALL chars out of Rx FIFO
*/
do {
ch = uart->np_uartrxdata;
if(info->is_cons) {
#ifdef CONFIG_MAGIC_SYSRQ
if(rx & np_uartstatus_brk_mask) {
batten_down_hatches();
return;
} else if (ch == 0x10) { /* ^P */
show_state();
show_mem();
return;
} else if (ch == 0x12) { /* ^R */
hard_reset_now();
return;
#ifdef DEBUG
} else if (ch == 0x02) { /* ^B */
batten_down_hatches();
return;
} else if (ch == 0x01) { /* ^A */
asm("trap 0"); /* Back to monitor */
return; /* (won't be coming back) */
#endif
}
#endif /* CONFIG_MAGIC_SYSRQ */
}
if(!tty)
goto clear_and_exit;
/*
* Make sure that we do not overflow the buffer
*/
if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
queue_task(&tty->flip.tqueue, &tq_timer);
return;
}
if(rx & np_uartstatus_pe_mask) {
*tty->flip.flag_buf_ptr++ = TTY_PARITY;
status_handle(info, rx);
} else if(rx & np_uartstatus_roe_mask) {
*tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
status_handle(info, rx);
} else if(rx & np_uartstatus_fe_mask) {
*tty->flip.flag_buf_ptr++ = TTY_FRAME;
status_handle(info, rx);
} else if(rx & np_uartstatus_brk_mask) {
*tty->flip.flag_buf_ptr++ = TTY_BREAK;
status_handle(info, rx);
} else {
*tty->flip.flag_buf_ptr++ = 0; /* XXX */
}
*tty->flip.char_buf_ptr++ = ch;
tty->flip.count++;
} while((rx = uart->np_uartstatus) & np_uartstatus_rrdy_mask);
queue_task(&tty->flip.tqueue, &tq_timer);
clear_and_exit:
return;
}
static _INLINE_ void receive_chars(struct bf535_serial *info, struct pt_regs *regs, unsigned short rx)
{
struct tty_struct *tty = info->tty;
unsigned char ch;
int idx = info->hub2;
/*
* This do { } while() loop will get ALL chars out of Rx FIFO
*/
do {
ch = (unsigned char) rx;
if(info->is_cons) {
if (UART_LSR(idx) & UART_LSR_BI){ /* break received */
status_handle(info, UART_LSR(idx));
return;
} else if (ch == 0x10) { /* ^P */
show_state();
show_free_areas();
show_buffers();
/* show_net_buffers(); */
return;
} else if (ch == 0x12) { /* ^R */
machine_restart(NULL);
return;
}
}
if(!tty){
printk("no tty\n");
goto clear_and_exit;
}
/*
* Make sure that we do not overflow the buffer
*/
if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
queue_task(&tty->flip.tqueue, &tq_timer);
return;
}
if(UART_LSR(idx) & UART_LSR_PE) {
*tty->flip.flag_buf_ptr++ = TTY_PARITY;
status_handle(info, UART_LSR(idx));
} else if(UART_LSR(idx) & UART_LSR_OE) {
*tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
status_handle(info, UART_LSR(idx));
} else if(UART_LSR(idx) & UART_LSR_FE) {
*tty->flip.flag_buf_ptr++ = TTY_FRAME;
status_handle(info, UART_LSR(idx));
} else {
*tty->flip.flag_buf_ptr++ = 0; /* XXX */
}
tty->flip.count++;
*tty->flip.char_buf_ptr++ = ch;
ACCESS_PORT_IER(idx) /* change access to port data */
rx = UART_RBR(idx);
} while(UART_LSR(idx) & UART_LSR_DR);
queue_task(&tty->flip.tqueue, &tq_timer);
clear_and_exit:
return;
}
static _INLINE_ void receive_chars(struct m68k_serial *info, struct pt_regs *regs, unsigned short rx)
{
struct tty_struct *tty = info->tty;
m68328_uart *uart = &uart_addr[info->line];
unsigned char ch, flag;
/*
* This do { } while() loop will get ALL chars out of Rx FIFO
*/
#ifndef CONFIG_XCOPILOT_BUGS
do {
#endif
ch = GET_FIELD(rx, URX_RXDATA);
if(info->is_cons) {
if(URX_BREAK & rx) { /* whee, break received */
status_handle(info, rx);
return;
#ifdef CONFIG_MAGIC_SYSRQ
} else if (ch == 0x10) { /* ^P */
show_state();
show_free_areas();
show_buffers();
/* show_net_buffers(); */
return;
} else if (ch == 0x12) { /* ^R */
emergency_restart();
return;
#endif /* CONFIG_MAGIC_SYSRQ */
}
/* It is a 'keyboard interrupt' ;-) */
#ifdef CONFIG_CONSOLE
wake_up(&keypress_wait);
#endif
}
if(!tty)
goto clear_and_exit;
/*
* Make sure that we do not overflow the buffer
*/
if (tty_request_buffer_room(tty, 1) == 0) {
tty_schedule_flip(tty);
return;
}
flag = TTY_NORMAL;
if(rx & URX_PARITY_ERROR) {
flag = TTY_PARITY;
status_handle(info, rx);
} else if(rx & URX_OVRUN) {
flag = TTY_OVERRUN;
status_handle(info, rx);
} else if(rx & URX_FRAME_ERROR) {
flag = TTY_FRAME;
status_handle(info, rx);
}
tty_insert_flip_char(tty, ch, flag);
#ifndef CONFIG_XCOPILOT_BUGS
} while((rx = uart->urx.w) & URX_DATA_READY);
#endif
tty_schedule_flip(tty);
clear_and_exit:
return;
}
static _INLINE_ void receive_chars(struct LEON_serial *info, struct pt_regs *regs, unsigned short rx)
{
struct tty_struct *tty = info->tty;
unsigned char ch;
/*
* This do { } while() loop will get ALL chars out of Rx FIFO
*/
do {
ch = leon->uartdata1;
if(info->is_cons) {
if(0 /* LEON does not report break */ & rx) { /* whee, break received */
status_handle(info, rx);
return;
} else if (ch == 0x10) { /* ^P */
show_state();
show_free_areas();
show_buffers();
show_net_buffers();
return;
} else if (ch == 0x12) { /* ^R */
hard_reset_now();
return;
}
/* It is a 'keyboard interrupt' ;-) */
wake_up(&keypress_wait);
}
if(!tty)
goto clear_and_exit;
/*
* Make sure that we do not overflow the buffer
*/
if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
queue_task_irq_off(&tty->flip.tqueue, &tq_timer);
return;
}
if(rx & USTAT_PE) {
*tty->flip.flag_buf_ptr++ = TTY_PARITY;
status_handle(info, rx);
} else if(rx & USTAT_OV) {
*tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
status_handle(info, rx);
} else if(rx & USTAT_FE) {
*tty->flip.flag_buf_ptr++ = TTY_FRAME;
status_handle(info, rx);
} else {
*tty->flip.flag_buf_ptr++ = 0; /* XXX */
}
*tty->flip.char_buf_ptr++ = ch;
tty->flip.count++;
} while((rx = leon->uartstatus1) & USTAT_DR);
queue_task_irq_off(&tty->flip.tqueue, &tq_timer);
clear_and_exit:
return;
}
static _INLINE_ void receive_chars(struct m68k_serial *info, struct pt_regs *regs, unsigned short rx)
{
struct tty_struct *tty = info->tty;
#ifndef CONFIG_XCOPILOT_BUGS
m68328_uart *uart = &uart_addr[info->line];
#endif
unsigned char ch;
/*
* This do { } while() loop will get ALL chars out of Rx FIFO
*/
#ifndef CONFIG_XCOPILOT_BUGS
do {
#endif
ch = GET_FIELD(rx, URX_RXDATA);
if(info->is_cons) {
if(URX_BREAK & rx) { /* whee, break received */
status_handle(info, rx);
return;
#ifdef CONFIG_MAGIC_SYSRQ
} else if (ch == 0x10) { /* ^P */
show_state();
show_free_areas();
show_buffers();
/* show_net_buffers(); */
return;
} else if (ch == 0x12) { /* ^R */
machine_restart(NULL);
return;
#endif /* CONFIG_MAGIC_SYSRQ */
}
}
if(!tty)
goto clear_and_exit;
/*
* Make sure that we do not overflow the buffer
*/
if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
queue_task(&tty->flip.tqueue, &tq_timer);
return;
}
if(rx & URX_PARITY_ERROR) {
*tty->flip.flag_buf_ptr++ = TTY_PARITY;
status_handle(info, rx);
} else if(rx & URX_OVRUN) {
*tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
status_handle(info, rx);
} else if(rx & URX_FRAME_ERROR) {
*tty->flip.flag_buf_ptr++ = TTY_FRAME;
status_handle(info, rx);
} else {
*tty->flip.flag_buf_ptr++ = 0; /* XXX */
}
*tty->flip.char_buf_ptr++ = ch;
tty->flip.count++;
#ifndef CONFIG_XCOPILOT_BUGS
} while((rx = uart->urx.w) & URX_DATA_READY);
#endif
queue_task(&tty->flip.tqueue, &tq_timer);
clear_and_exit:
return;
}
