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-rw-r--r--drivers/char/cyclades.c675
1 files changed, 340 insertions, 335 deletions
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 3bb4e534c14e..dd8223dc9086 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1053,6 +1053,341 @@ detect_isa_irq(void __iomem *address)
}
#endif /* CONFIG_ISA */
+static void cyy_intr_chip(struct cyclades_card *cinfo, int chip,
+ void __iomem *base_addr, int status, int index)
+{
+ struct cyclades_port *info;
+ struct tty_struct *tty;
+ volatile int char_count;
+ int i, j, len, mdm_change, mdm_status, outch;
+ int save_xir, channel, save_car;
+ char data;
+
+ if (status & CySRReceive) { /* reception interrupt */
+#ifdef CY_DEBUG_INTERRUPTS
+ printk("cyy_interrupt: rcvd intr, chip %d\n\r", chip);
+#endif
+ /* determine the channel & change to that context */
+ spin_lock(&cinfo->card_lock);
+ save_xir = (u_char) cy_readb(base_addr+(CyRIR<<index));
+ channel = (u_short ) (save_xir & CyIRChannel);
+ i = channel + chip * 4 + cinfo->first_line;
+ info = &cy_port[i];
+ info->last_active = jiffies;
+ save_car = cy_readb(base_addr+(CyCAR<<index));
+ cy_writeb(base_addr+(CyCAR<<index), save_xir);
+
+ /* if there is nowhere to put the data, discard it */
+ if(info->tty == 0){
+ j = (cy_readb(base_addr+(CyRIVR<<index)) & CyIVRMask);
+ if ( j == CyIVRRxEx ) { /* exception */
+ data = cy_readb(base_addr+(CyRDSR<<index));
+ } else { /* normal character reception */
+ char_count = cy_readb(base_addr+(CyRDCR<<index));
+ while(char_count--){
+ data = cy_readb(base_addr+(CyRDSR<<index));
+ }
+ }
+ }else{ /* there is an open port for this data */
+ tty = info->tty;
+ j = (cy_readb(base_addr+(CyRIVR<<index)) & CyIVRMask);
+ if ( j == CyIVRRxEx ) { /* exception */
+ data = cy_readb(base_addr+(CyRDSR<<index));
+
+ /* For statistics only */
+ if (data & CyBREAK)
+ info->icount.brk++;
+ else if(data & CyFRAME)
+ info->icount.frame++;
+ else if(data & CyPARITY)
+ info->icount.parity++;
+ else if(data & CyOVERRUN)
+ info->icount.overrun++;
+
+ if(data & info->ignore_status_mask){
+ info->icount.rx++;
+ return;
+ }
+ if (tty_buffer_request_room(tty, 1)) {
+ if (data & info->read_status_mask){
+ if(data & CyBREAK){
+ tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_BREAK);
+ info->icount.rx++;
+ if (info->flags & ASYNC_SAK){
+ do_SAK(tty);
+ }
+ }else if(data & CyFRAME){
+ tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME);
+ info->icount.rx++;
+ info->idle_stats.frame_errs++;
+ }else if(data & CyPARITY){
+ /* Pieces of seven... */
+ tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_PARITY);
+ info->icount.rx++;
+ info->idle_stats.parity_errs++;
+ }else if(data & CyOVERRUN){
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ info->icount.rx++;
+ /* If the flip buffer itself is
+ overflowing, we still lose
+ the next incoming character.
+ */
+ tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME);
+ info->icount.rx++;
+ info->idle_stats.overruns++;
+ /* These two conditions may imply */
+ /* a normal read should be done. */
+ /* }else if(data & CyTIMEOUT){ */
+ /* }else if(data & CySPECHAR){ */
+ }else {
+ tty_insert_flip_char(tty, 0, TTY_NORMAL);
+ info->icount.rx++;
+ }
+ }else{
+ tty_insert_flip_char(tty, 0, TTY_NORMAL);
+ info->icount.rx++;
+ }
+ }else{
+ /* there was a software buffer
+ overrun and nothing could be
+ done about it!!! */
+ info->icount.buf_overrun++;
+ info->idle_stats.overruns++;
+ }
+ } else { /* normal character reception */
+ /* load # chars available from the chip */
+ char_count = cy_readb(base_addr+(CyRDCR<<index));
+
+#ifdef CY_ENABLE_MONITORING
+ ++info->mon.int_count;
+ info->mon.char_count += char_count;
+ if (char_count > info->mon.char_max)
+ info->mon.char_max = char_count;
+ info->mon.char_last = char_count;
+#endif
+ len = tty_buffer_request_room(tty, char_count);
+ while(len--){
+ data = cy_readb(base_addr+(CyRDSR<<index));
+ tty_insert_flip_char(tty, data, TTY_NORMAL);
+ info->idle_stats.recv_bytes++;
+ info->icount.rx++;
+#ifdef CY_16Y_HACK
+ udelay(10L);
+#endif
+ }
+ info->idle_stats.recv_idle = jiffies;
+ }
+ tty_schedule_flip(tty);
+ }
+ /* end of service */
+ cy_writeb(base_addr+(CyRIR<<index), (save_xir & 0x3f));
+ cy_writeb(base_addr+(CyCAR<<index), (save_car));
+ spin_unlock(&cinfo->card_lock);
+ }
+
+
+ if (status & CySRTransmit) { /* transmission interrupt */
+ /* Since we only get here when the transmit buffer
+ is empty, we know we can always stuff a dozen
+ characters. */
+#ifdef CY_DEBUG_INTERRUPTS
+ printk("cyy_interrupt: xmit intr, chip %d\n\r", chip);
+#endif
+
+ /* determine the channel & change to that context */
+ spin_lock(&cinfo->card_lock);
+ save_xir = (u_char) cy_readb(base_addr+(CyTIR<<index));
+ channel = (u_short ) (save_xir & CyIRChannel);
+ i = channel + chip * 4 + cinfo->first_line;
+ save_car = cy_readb(base_addr+(CyCAR<<index));
+ cy_writeb(base_addr+(CyCAR<<index), save_xir);
+
+ /* validate the port# (as configured and open) */
+ if( (i < 0) || (NR_PORTS <= i) ){
+ cy_writeb(base_addr+(CySRER<<index),
+ cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy);
+ goto txend;
+ }
+ info = &cy_port[i];
+ info->last_active = jiffies;
+ if(info->tty == 0){
+ cy_writeb(base_addr+(CySRER<<index),
+ cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy);
+ goto txdone;
+ }
+
+ /* load the on-chip space for outbound data */
+ char_count = info->xmit_fifo_size;
+
+ if(info->x_char) { /* send special char */
+ outch = info->x_char;
+ cy_writeb(base_addr+(CyTDR<<index), outch);
+ char_count--;
+ info->icount.tx++;
+ info->x_char = 0;
+ }
+
+ if (info->breakon || info->breakoff) {
+ if (info->breakon) {
+ cy_writeb(base_addr + (CyTDR<<index), 0);
+ cy_writeb(base_addr + (CyTDR<<index), 0x81);
+ info->breakon = 0;
+ char_count -= 2;
+ }
+ if (info->breakoff) {
+ cy_writeb(base_addr + (CyTDR<<index), 0);
+ cy_writeb(base_addr + (CyTDR<<index), 0x83);
+ info->breakoff = 0;
+ char_count -= 2;
+ }
+ }
+
+ while (char_count-- > 0){
+ if (!info->xmit_cnt){
+ if (cy_readb(base_addr+(CySRER<<index))&CyTxMpty) {
+ cy_writeb(base_addr+(CySRER<<index),
+ cy_readb(base_addr+(CySRER<<index)) &
+ ~CyTxMpty);
+ } else {
+ cy_writeb(base_addr+(CySRER<<index),
+ ((cy_readb(base_addr+(CySRER<<index))
+ & ~CyTxRdy)
+ | CyTxMpty));
+ }
+ goto txdone;
+ }
+ if (info->xmit_buf == 0){
+ cy_writeb(base_addr+(CySRER<<index),
+ cy_readb(base_addr+(CySRER<<index)) &
+ ~CyTxRdy);
+ goto txdone;
+ }
+ if (info->tty->stopped || info->tty->hw_stopped){
+ cy_writeb(base_addr+(CySRER<<index),
+ cy_readb(base_addr+(CySRER<<index)) &
+ ~CyTxRdy);
+ goto txdone;
+ }
+ /* Because the Embedded Transmit Commands have
+ been enabled, we must check to see if the
+ escape character, NULL, is being sent. If it
+ is, we must ensure that there is room for it
+ to be doubled in the output stream. Therefore
+ we no longer advance the pointer when the
+ character is fetched, but rather wait until
+ after the check for a NULL output character.
+ This is necessary because there may not be
+ room for the two chars needed to send a NULL.)
+ */
+ outch = info->xmit_buf[info->xmit_tail];
+ if( outch ){
+ info->xmit_cnt--;
+ info->xmit_tail = (info->xmit_tail + 1)
+ & (SERIAL_XMIT_SIZE - 1);
+ cy_writeb(base_addr+(CyTDR<<index), outch);
+ info->icount.tx++;
+ }else{
+ if(char_count > 1){
+ info->xmit_cnt--;
+ info->xmit_tail = (info->xmit_tail + 1)
+ & (SERIAL_XMIT_SIZE - 1);
+ cy_writeb(base_addr+(CyTDR<<index),
+ outch);
+ cy_writeb(base_addr+(CyTDR<<index), 0);
+ info->icount.tx++;
+ char_count--;
+ }else{
+ }
+ }
+ }
+
+txdone:
+ if (info->xmit_cnt < WAKEUP_CHARS) {
+ cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP);
+ }
+txend:
+ /* end of service */
+ cy_writeb(base_addr+(CyTIR<<index),
+ (save_xir & 0x3f));
+ cy_writeb(base_addr+(CyCAR<<index), (save_car));
+ spin_unlock(&cinfo->card_lock);
+ }
+
+ if (status & CySRModem) { /* modem interrupt */
+
+ /* determine the channel & change to that context */
+ spin_lock(&cinfo->card_lock);
+ save_xir = (u_char) cy_readb(base_addr+(CyMIR<<index));
+ channel = (u_short ) (save_xir & CyIRChannel);
+ info = &cy_port[channel + chip * 4
+ + cinfo->first_line];
+ info->last_active = jiffies;
+ save_car = cy_readb(base_addr+(CyCAR<<index));
+ cy_writeb(base_addr+(CyCAR<<index), save_xir);
+
+ mdm_change = cy_readb(base_addr+(CyMISR<<index));
+ mdm_status = cy_readb(base_addr+(CyMSVR1<<index));
+
+ if(info->tty == 0){/* no place for data, ignore it*/
+ ;
+ }else{
+ if (mdm_change & CyANY_DELTA) {
+ /* For statistics only */
+ if (mdm_change & CyDCD) info->icount.dcd++;
+ if (mdm_change & CyCTS) info->icount.cts++;
+ if (mdm_change & CyDSR) info->icount.dsr++;
+ if (mdm_change & CyRI) info->icount.rng++;
+
+ cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP);
+ }
+
+ if((mdm_change & CyDCD)
+ && (info->flags & ASYNC_CHECK_CD)){
+ if(mdm_status & CyDCD){
+ cy_sched_event(info,
+ Cy_EVENT_OPEN_WAKEUP);
+ }else{
+ cy_sched_event(info,
+ Cy_EVENT_HANGUP);
+ }
+ }
+ if((mdm_change & CyCTS)
+ && (info->flags & ASYNC_CTS_FLOW)){
+ if(info->tty->hw_stopped){
+ if(mdm_status & CyCTS){
+ /* cy_start isn't used
+ because... !!! */
+ info->tty->hw_stopped = 0;
+ cy_writeb(base_addr+(CySRER<<index),
+ cy_readb(base_addr+(CySRER<<index)) |
+ CyTxRdy);
+ cy_sched_event(info,
+ Cy_EVENT_WRITE_WAKEUP);
+ }
+ }else{
+ if(!(mdm_status & CyCTS)){
+ /* cy_stop isn't used
+ because ... !!! */
+ info->tty->hw_stopped = 1;
+ cy_writeb(base_addr+(CySRER<<index),
+ cy_readb(base_addr+(CySRER<<index)) &
+ ~CyTxRdy);
+ }
+ }
+ }
+ if(mdm_change & CyDSR){
+ }
+ if(mdm_change & CyRI){
+ }
+ }
+ /* end of service */
+ cy_writeb(base_addr+(CyMIR<<index),
+ (save_xir & 0x3f));
+ cy_writeb(base_addr+(CyCAR<<index), save_car);
+ spin_unlock(&cinfo->card_lock);
+ }
+}
+
/* The real interrupt service routine is called
whenever the card wants its hand held--chars
received, out buffer empty, modem change, etc.
@@ -1060,22 +1395,14 @@ detect_isa_irq(void __iomem *address)
static irqreturn_t
cyy_interrupt(int irq, void *dev_id)
{
- struct tty_struct *tty;
int status;
struct cyclades_card *cinfo;
- struct cyclades_port *info;
void __iomem *base_addr, *card_base_addr;
int chip;
- int save_xir, channel, save_car;
- char data;
- volatile int char_count;
- int outch;
- int i,j,index;
+ int index;
int too_many;
int had_work;
- int mdm_change;
- int mdm_status;
- int len;
+
if((cinfo = (struct cyclades_card *)dev_id) == 0){
#ifdef CY_DEBUG_INTERRUPTS
printk("cyy_interrupt: spurious interrupt %d\n\r", irq);
@@ -1107,331 +1434,9 @@ cyy_interrupt(int irq, void *dev_id)
if(1000<too_many++){
break;
}
- if (status & CySRReceive) { /* reception interrupt */
-#ifdef CY_DEBUG_INTERRUPTS
- printk("cyy_interrupt: rcvd intr, chip %d\n\r", chip);
-#endif
- /* determine the channel & change to that context */
- spin_lock(&cinfo->card_lock);
- save_xir = (u_char) cy_readb(base_addr+(CyRIR<<index));
- channel = (u_short ) (save_xir & CyIRChannel);
- i = channel + chip * 4 + cinfo->first_line;
- info = &cy_port[i];
- info->last_active = jiffies;
- save_car = cy_readb(base_addr+(CyCAR<<index));
- cy_writeb(base_addr+(CyCAR<<index), save_xir);
-
- /* if there is nowhere to put the data, discard it */
- if(info->tty == 0){
- j = (cy_readb(base_addr+(CyRIVR<<index)) & CyIVRMask);
- if ( j == CyIVRRxEx ) { /* exception */
- data = cy_readb(base_addr+(CyRDSR<<index));
- } else { /* normal character reception */
- char_count = cy_readb(base_addr+(CyRDCR<<index));
- while(char_count--){
- data = cy_readb(base_addr+(CyRDSR<<index));
- }
- }
- }else{ /* there is an open port for this data */
- tty = info->tty;
- j = (cy_readb(base_addr+(CyRIVR<<index)) & CyIVRMask);
- if ( j == CyIVRRxEx ) { /* exception */
- data = cy_readb(base_addr+(CyRDSR<<index));
-
- /* For statistics only */
- if (data & CyBREAK)
- info->icount.brk++;
- else if(data & CyFRAME)
- info->icount.frame++;
- else if(data & CyPARITY)
- info->icount.parity++;
- else if(data & CyOVERRUN)
- info->icount.overrun++;
-
- if(data & info->ignore_status_mask){
- info->icount.rx++;
- continue;
- }
- if (tty_buffer_request_room(tty, 1)) {
- if (data & info->read_status_mask){
- if(data & CyBREAK){
- tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_BREAK);
- info->icount.rx++;
- if (info->flags & ASYNC_SAK){
- do_SAK(tty);
- }
- }else if(data & CyFRAME){
- tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME);
- info->icount.rx++;
- info->idle_stats.frame_errs++;
- }else if(data & CyPARITY){
- /* Pieces of seven... */
- tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_PARITY);
- info->icount.rx++;
- info->idle_stats.parity_errs++;
- }else if(data & CyOVERRUN){
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- info->icount.rx++;
- /* If the flip buffer itself is
- overflowing, we still lose
- the next incoming character.
- */
- tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME);
- info->icount.rx++;
- info->idle_stats.overruns++;
- /* These two conditions may imply */
- /* a normal read should be done. */
- /* }else if(data & CyTIMEOUT){ */
- /* }else if(data & CySPECHAR){ */
- }else {
- tty_insert_flip_char(tty, 0, TTY_NORMAL);
- info->icount.rx++;
- }
- }else{
- tty_insert_flip_char(tty, 0, TTY_NORMAL);
- info->icount.rx++;
- }
- }else{
- /* there was a software buffer
- overrun and nothing could be
- done about it!!! */
- info->icount.buf_overrun++;
- info->idle_stats.overruns++;
- }
- } else { /* normal character reception */
- /* load # chars available from the chip */
- char_count = cy_readb(base_addr+(CyRDCR<<index));
-
-#ifdef CY_ENABLE_MONITORING
- ++info->mon.int_count;
- info->mon.char_count += char_count;
- if (char_count > info->mon.char_max)
- info->mon.char_max = char_count;
- info->mon.char_last = char_count;
-#endif
- len = tty_buffer_request_room(tty, char_count);
- while(len--){
- data = cy_readb(base_addr+(CyRDSR<<index));
- tty_insert_flip_char(tty, data, TTY_NORMAL);
- info->idle_stats.recv_bytes++;
- info->icount.rx++;
-#ifdef CY_16Y_HACK
- udelay(10L);
-#endif
- }
- info->idle_stats.recv_idle = jiffies;
- }
- tty_schedule_flip(tty);
- }
- /* end of service */
- cy_writeb(base_addr+(CyRIR<<index), (save_xir & 0x3f));
- cy_writeb(base_addr+(CyCAR<<index), (save_car));
- spin_unlock(&cinfo->card_lock);
- }
-
-
- if (status & CySRTransmit) { /* transmission interrupt */
- /* Since we only get here when the transmit buffer
- is empty, we know we can always stuff a dozen
- characters. */
-#ifdef CY_DEBUG_INTERRUPTS
- printk("cyy_interrupt: xmit intr, chip %d\n\r", chip);
-#endif
-
- /* determine the channel & change to that context */
- spin_lock(&cinfo->card_lock);
- save_xir = (u_char) cy_readb(base_addr+(CyTIR<<index));
- channel = (u_short ) (save_xir & CyIRChannel);
- i = channel + chip * 4 + cinfo->first_line;
- save_car = cy_readb(base_addr+(CyCAR<<index));
- cy_writeb(base_addr+(CyCAR<<index), save_xir);
-
- /* validate the port# (as configured and open) */
- if( (i < 0) || (NR_PORTS <= i) ){
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy);
- goto txend;
- }
- info = &cy_port[i];
- info->last_active = jiffies;
- if(info->tty == 0){
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy);
- goto txdone;
- }
-
- /* load the on-chip space for outbound data */
- char_count = info->xmit_fifo_size;
-
- if(info->x_char) { /* send special char */
- outch = info->x_char;
- cy_writeb(base_addr+(CyTDR<<index), outch);
- char_count--;
- info->icount.tx++;
- info->x_char = 0;
- }
-
- if (info->breakon || info->breakoff) {
- if (info->breakon) {
- cy_writeb(base_addr + (CyTDR<<index), 0);
- cy_writeb(base_addr + (CyTDR<<index), 0x81);
- info->breakon = 0;
- char_count -= 2;
- }
- if (info->breakoff) {
- cy_writeb(base_addr + (CyTDR<<index), 0);
- cy_writeb(base_addr + (CyTDR<<index), 0x83);
- info->breakoff = 0;
- char_count -= 2;
- }
- }
-
- while (char_count-- > 0){
- if (!info->xmit_cnt){
- if (cy_readb(base_addr+(CySRER<<index))&CyTxMpty) {
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) &
- ~CyTxMpty);
- } else {
- cy_writeb(base_addr+(CySRER<<index),
- ((cy_readb(base_addr+(CySRER<<index))
- & ~CyTxRdy)
- | CyTxMpty));
- }
- goto txdone;
- }
- if (info->xmit_buf == 0){
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) &
- ~CyTxRdy);
- goto txdone;
- }
- if (info->tty->stopped || info->tty->hw_stopped){
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) &
- ~CyTxRdy);
- goto txdone;
- }
- /* Because the Embedded Transmit Commands have
- been enabled, we must check to see if the
- escape character, NULL, is being sent. If it
- is, we must ensure that there is room for it
- to be doubled in the output stream. Therefore
- we no longer advance the pointer when the
- character is fetched, but rather wait until
- after the check for a NULL output character.
- This is necessary because there may not be
- room for the two chars needed to send a NULL.)
- */
- outch = info->xmit_buf[info->xmit_tail];
- if( outch ){
- info->xmit_cnt--;
- info->xmit_tail = (info->xmit_tail + 1)
- & (SERIAL_XMIT_SIZE - 1);
- cy_writeb(base_addr+(CyTDR<<index), outch);
- info->icount.tx++;
- }else{
- if(char_count > 1){
- info->xmit_cnt--;
- info->xmit_tail = (info->xmit_tail + 1)
- & (SERIAL_XMIT_SIZE - 1);
- cy_writeb(base_addr+(CyTDR<<index),
- outch);
- cy_writeb(base_addr+(CyTDR<<index), 0);
- info->icount.tx++;
- char_count--;
- }else{
- }
- }
- }
-
- txdone:
- if (info->xmit_cnt < WAKEUP_CHARS) {
- cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP);
- }
- txend:
- /* end of service */
- cy_writeb(base_addr+(CyTIR<<index),
- (save_xir & 0x3f));
- cy_writeb(base_addr+(CyCAR<<index), (save_car));
- spin_unlock(&cinfo->card_lock);
- }
-
- if (status & CySRModem) { /* modem interrupt */
-
- /* determine the channel & change to that context */
- spin_lock(&cinfo->card_lock);
- save_xir = (u_char) cy_readb(base_addr+(CyMIR<<index));
- channel = (u_short ) (save_xir & CyIRChannel);
- info = &cy_port[channel + chip * 4
- + cinfo->first_line];
- info->last_active = jiffies;
- save_car = cy_readb(base_addr+(CyCAR<<index));
- cy_writeb(base_addr+(CyCAR<<index), save_xir);
-
- mdm_change = cy_readb(base_addr+(CyMISR<<index));
- mdm_status = cy_readb(base_addr+(CyMSVR1<<index));
-
- if(info->tty == 0){/* no place for data, ignore it*/
- ;
- }else{
- if (mdm_change & CyANY_DELTA) {
- /* For statistics only */
- if (mdm_change & CyDCD) info->icount.dcd++;
- if (mdm_change & CyCTS) info->icount.cts++;
- if (mdm_change & CyDSR) info->icount.dsr++;
- if (mdm_change & CyRI) info->icount.rng++;
-
- cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP);
- }
-
- if((mdm_change & CyDCD)
- && (info->flags & ASYNC_CHECK_CD)){
- if(mdm_status & CyDCD){
- cy_sched_event(info,
- Cy_EVENT_OPEN_WAKEUP);
- }else{
- cy_sched_event(info,
- Cy_EVENT_HANGUP);
- }
- }
- if((mdm_change & CyCTS)
- && (info->flags & ASYNC_CTS_FLOW)){
- if(info->tty->hw_stopped){
- if(mdm_status & CyCTS){
- /* cy_start isn't used
- because... !!! */
- info->tty->hw_stopped = 0;
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) |
- CyTxRdy);
- cy_sched_event(info,
- Cy_EVENT_WRITE_WAKEUP);
- }
- }else{
- if(!(mdm_status & CyCTS)){
- /* cy_stop isn't used
- because ... !!! */
- info->tty->hw_stopped = 1;
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) &
- ~CyTxRdy);
- }
- }
- }
- if(mdm_change & CyDSR){
- }
- if(mdm_change & CyRI){
- }
- }
- /* end of service */
- cy_writeb(base_addr+(CyMIR<<index),
- (save_xir & 0x3f));
- cy_writeb(base_addr+(CyCAR<<index), save_car);
- spin_unlock(&cinfo->card_lock);
- }
- } /* end while status != 0 */
- } /* end loop for chips... */
+ cyy_intr_chip(cinfo, chip, base_addr, status, index);
+ }
+ }
} while(had_work);
/* clear interrupts */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 04:49:20 +0000