fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / drivers / serial / pmac_zilog.c
index 9b7ed58..752ef07 100644 (file)
@@ -42,7 +42,6 @@
 #undef DEBUG_HARD
 #undef USE_CTRL_O_SYSRQ
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/tty.h>
 
@@ -101,7 +100,6 @@ static DEFINE_MUTEX(pmz_irq_mutex);
 static struct uart_driver pmz_uart_reg = {
        .owner          =       THIS_MODULE,
        .driver_name    =       "ttyS",
-       .devfs_name     =       "tts/",
        .dev_name       =       "ttyS",
        .major          =       TTY_MAJOR,
 };
@@ -206,8 +204,7 @@ static void pmz_maybe_update_regs(struct uart_pmac_port *uap)
        }
 }
 
-static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap,
-                                           struct pt_regs *regs)
+static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
 {
        struct tty_struct *tty = NULL;
        unsigned char ch, r1, drop, error, flag;
@@ -269,7 +266,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap,
                if (uap->port.sysrq) {
                        int swallow;
                        spin_unlock(&uap->port.lock);
-                       swallow = uart_handle_sysrq_char(&uap->port, ch, regs);
+                       swallow = uart_handle_sysrq_char(&uap->port, ch);
                        spin_lock(&uap->port.lock);
                        if (swallow)
                                goto next_char;
@@ -337,7 +334,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap,
        return tty;
 }
 
-static void pmz_status_handle(struct uart_pmac_port *uap, struct pt_regs *regs)
+static void pmz_status_handle(struct uart_pmac_port *uap)
 {
        unsigned char status;
 
@@ -440,7 +437,7 @@ ack_tx_int:
 }
 
 /* Hrm... we register that twice, fixme later.... */
-static irqreturn_t pmz_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t pmz_interrupt(int irq, void *dev_id)
 {
        struct uart_pmac_port *uap = dev_id;
        struct uart_pmac_port *uap_a;
@@ -464,9 +461,9 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                write_zsreg(uap_a, R0, RES_H_IUS);
                zssync(uap_a);          
                        if (r3 & CHAEXT)
-                               pmz_status_handle(uap_a, regs);
+                               pmz_status_handle(uap_a);
                if (r3 & CHARxIP)
-                       tty = pmz_receive_chars(uap_a, regs);
+                       tty = pmz_receive_chars(uap_a);
                        if (r3 & CHATxIP)
                                pmz_transmit_chars(uap_a);
                rc = IRQ_HANDLED;
@@ -484,9 +481,9 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                write_zsreg(uap_b, R0, RES_H_IUS);
                zssync(uap_b);
                        if (r3 & CHBEXT)
-                               pmz_status_handle(uap_b, regs);
+                               pmz_status_handle(uap_b);
                        if (r3 & CHBRxIP)
-                               tty = pmz_receive_chars(uap_b, regs);
+                               tty = pmz_receive_chars(uap_b);
                        if (r3 & CHBTxIP)
                                pmz_transmit_chars(uap_b);
                rc = IRQ_HANDLED;
@@ -936,7 +933,7 @@ static int pmz_startup(struct uart_port *port)
        }       
 
        pmz_get_port_A(uap)->flags |= PMACZILOG_FLAG_IS_IRQ_ON;
-       if (request_irq(uap->port.irq, pmz_interrupt, SA_SHIRQ, "PowerMac Zilog", uap)) {
+       if (request_irq(uap->port.irq, pmz_interrupt, IRQF_SHARED, "PowerMac Zilog", uap)) {
                dev_err(&uap->dev->ofdev.dev,
                        "Unable to register zs interrupt handler.\n");
                pmz_set_scc_power(uap, 0);
@@ -1265,8 +1262,8 @@ static void pmz_irda_setup(struct uart_pmac_port *uap, unsigned long *baud)
 }
 
 
-static void __pmz_set_termios(struct uart_port *port, struct termios *termios,
-                             struct termios *old)
+static void __pmz_set_termios(struct uart_port *port, struct ktermios *termios,
+                             struct ktermios *old)
 {
        struct uart_pmac_port *uap = to_pmz(port);
        unsigned long baud;
@@ -1276,7 +1273,7 @@ static void __pmz_set_termios(struct uart_port *port, struct termios *termios,
        if (ZS_IS_ASLEEP(uap))
                return;
 
-       memcpy(&uap->termios_cache, termios, sizeof(struct termios));
+       memcpy(&uap->termios_cache, termios, sizeof(struct ktermios));
 
        /* XXX Check which revs of machines actually allow 1 and 4Mb speeds
         * on the IR dongle. Note that the IRTTY driver currently doesn't know
@@ -1316,8 +1313,8 @@ static void __pmz_set_termios(struct uart_port *port, struct termios *termios,
 }
 
 /* The port lock is not held.  */
-static void pmz_set_termios(struct uart_port *port, struct termios *termios,
-                           struct termios *old)
+static void pmz_set_termios(struct uart_port *port, struct ktermios *termios,
+                           struct ktermios *old)
 {
        struct uart_pmac_port *uap = to_pmz(port);
        unsigned long flags;
@@ -1402,8 +1399,8 @@ static struct uart_ops pmz_pops = {
 static int __init pmz_init_port(struct uart_pmac_port *uap)
 {
        struct device_node *np = uap->node;
-       char *conn;
-       struct slot_names_prop {
+       const char *conn;
+       const struct slot_names_prop {
                int     count;
                char    name[1];
        } *slots;
@@ -1445,8 +1442,8 @@ static int __init pmz_init_port(struct uart_pmac_port *uap)
                        uap->flags &= ~PMACZILOG_FLAG_HAS_DMA;
                        goto no_dma;
                }
-               uap->tx_dma_irq = np->intrs[1].line;
-               uap->rx_dma_irq = np->intrs[2].line;
+               uap->tx_dma_irq = irq_of_parse_and_map(np, 1);
+               uap->rx_dma_irq = irq_of_parse_and_map(np, 2);
        }
 no_dma:
 
@@ -1460,7 +1457,7 @@ no_dma:
                uap->flags |= PMACZILOG_FLAG_IS_IRDA;
        uap->port_type = PMAC_SCC_ASYNC;
        /* 1999 Powerbook G3 has slot-names property instead */
-       slots = (struct slot_names_prop *)get_property(np, "slot-names", &len);
+       slots = get_property(np, "slot-names", &len);
        if (slots && slots->count > 0) {
                if (strcmp(slots->name, "IrDA") == 0)
                        uap->flags |= PMACZILOG_FLAG_IS_IRDA;
@@ -1472,7 +1469,8 @@ no_dma:
        if (ZS_IS_INTMODEM(uap)) {
                struct device_node* i2c_modem = find_devices("i2c-modem");
                if (i2c_modem) {
-                       char* mid = get_property(i2c_modem, "modem-id", NULL);
+                       const char* mid =
+                               get_property(i2c_modem, "modem-id", NULL);
                        if (mid) switch(*mid) {
                        case 0x04 :
                        case 0x05 :
@@ -1493,7 +1491,7 @@ no_dma:
         * Init remaining bits of "port" structure
         */
        uap->port.iotype = UPIO_MEM;
-       uap->port.irq = np->intrs[0].line;
+       uap->port.irq = irq_of_parse_and_map(np, 0);
        uap->port.uartclk = ZS_CLOCK;
        uap->port.fifosize = 1;
        uap->port.ops = &pmz_pops;
@@ -1916,6 +1914,16 @@ static void __exit exit_pmz(void)
 
 #ifdef CONFIG_SERIAL_PMACZILOG_CONSOLE
 
+static void pmz_console_putchar(struct uart_port *port, int ch)
+{
+       struct uart_pmac_port *uap = (struct uart_pmac_port *)port;
+
+       /* Wait for the transmit buffer to empty. */
+       while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
+               udelay(5);
+       write_zsdata(uap, ch);
+}
+
 /*
  * Print a string to the serial port trying not to disturb
  * any possible real use of the port...
@@ -1924,7 +1932,6 @@ static void pmz_console_write(struct console *con, const char *s, unsigned int c
 {
        struct uart_pmac_port *uap = &pmz_ports[con->index];
        unsigned long flags;
-       int i;
 
        if (ZS_IS_ASLEEP(uap))
                return;
@@ -1934,17 +1941,7 @@ static void pmz_console_write(struct console *con, const char *s, unsigned int c
        write_zsreg(uap, R1, uap->curregs[1] & ~TxINT_ENAB);
        write_zsreg(uap, R5, uap->curregs[5] | TxENABLE | RTS | DTR);
 
-       for (i = 0; i < count; i++) {
-               /* Wait for the transmit buffer to empty. */
-               while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
-                       udelay(5);
-               write_zsdata(uap, s[i]);
-               if (s[i] == 10) {
-                       while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
-                               udelay(5);
-                       write_zsdata(uap, R13);
-               }
-       }
+       uart_console_write(&uap->port, s, count, pmz_console_putchar);
 
        /* Restore the values in the registers. */
        write_zsreg(uap, R1, uap->curregs[1]);