enum su_type su_type;
unsigned int type_probed; /* XXX Stupid */
int port_node;
- unsigned int irq;
#ifdef CONFIG_SERIO
- struct serio serio;
+ struct serio *serio;
int serio_open;
#endif
};
-#define _INLINE_
-
-static _INLINE_ unsigned int serial_in(struct uart_sunsu_port *up, int offset)
+static unsigned int serial_in(struct uart_sunsu_port *up, int offset)
{
offset <<= up->port.regshift;
switch (up->port.iotype) {
- case SERIAL_IO_HUB6:
+ case UPIO_HUB6:
outb(up->port.hub6 - 1 + offset, up->port.iobase);
return inb(up->port.iobase + 1);
- case SERIAL_IO_MEM:
+ case UPIO_MEM:
return readb(up->port.membase + offset);
default:
}
}
-static _INLINE_ void
-serial_out(struct uart_sunsu_port *up, int offset, int value)
+static void serial_out(struct uart_sunsu_port *up, int offset, int value)
{
#ifndef CONFIG_SPARC64
/*
offset <<= up->port.regshift;
switch (up->port.iotype) {
- case SERIAL_IO_HUB6:
+ case UPIO_HUB6:
outb(up->port.hub6 - 1 + offset, up->port.iobase);
outb(value, up->port.iobase + 1);
break;
- case SERIAL_IO_MEM:
+ case UPIO_MEM:
writeb(value, up->port.membase + offset);
break;
}
#endif /* CONFIG_SERIAL_8250_RSA */
-static void sunsu_stop_tx(struct uart_port *port, unsigned int tty_stop)
+static inline void __stop_tx(struct uart_sunsu_port *p)
+{
+ if (p->ier & UART_IER_THRI) {
+ p->ier &= ~UART_IER_THRI;
+ serial_out(p, UART_IER, p->ier);
+ }
+}
+
+static void sunsu_stop_tx(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
- if (up->ier & UART_IER_THRI) {
- up->ier &= ~UART_IER_THRI;
- serial_out(up, UART_IER, up->ier);
- }
- if (up->port.type == PORT_16C950 && tty_stop) {
+ __stop_tx(up);
+
+ /*
+ * We really want to stop the transmitter from sending.
+ */
+ if (up->port.type == PORT_16C950) {
up->acr |= UART_ACR_TXDIS;
serial_icr_write(up, UART_ACR, up->acr);
}
}
-static void sunsu_start_tx(struct uart_port *port, unsigned int tty_start)
+static void sunsu_start_tx(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
up->ier |= UART_IER_THRI;
serial_out(up, UART_IER, up->ier);
}
+
/*
- * We only do this from uart_start
+ * Re-enable the transmitter if we disabled it.
*/
- if (tty_start && up->port.type == PORT_16C950) {
+ if (up->port.type == PORT_16C950 && up->acr & UART_ACR_TXDIS) {
up->acr &= ~UART_ACR_TXDIS;
serial_icr_write(up, UART_ACR, up->acr);
}
static void sunsu_stop_rx(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
- unsigned long flags;
- spin_lock_irqsave(&up->port.lock, flags);
up->ier &= ~UART_IER_RLSI;
up->port.read_status_mask &= ~UART_LSR_DR;
serial_out(up, UART_IER, up->ier);
- spin_unlock_irqrestore(&up->port.lock, flags);
}
static void sunsu_enable_ms(struct uart_port *port)
spin_unlock_irqrestore(&up->port.lock, flags);
}
-static _INLINE_ struct tty_struct *
+static struct tty_struct *
receive_chars(struct uart_sunsu_port *up, unsigned char *status, struct pt_regs *regs)
{
struct tty_struct *tty = up->port.info->tty;
- unsigned char ch;
+ unsigned char ch, flag;
int max_count = 256;
int saw_console_brk = 0;
do {
- if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) {
- tty->flip.work.func((void *)tty);
- if (tty->flip.count >= TTY_FLIPBUF_SIZE)
- return tty; // if TTY_DONT_FLIP is set
- }
ch = serial_inp(up, UART_RX);
- *tty->flip.char_buf_ptr = ch;
- *tty->flip.flag_buf_ptr = TTY_NORMAL;
+ flag = TTY_NORMAL;
up->port.icount.rx++;
if (unlikely(*status & (UART_LSR_BI | UART_LSR_PE |
}
if (*status & UART_LSR_BI) {
- *tty->flip.flag_buf_ptr = TTY_BREAK;
+ flag = TTY_BREAK;
} else if (*status & UART_LSR_PE)
- *tty->flip.flag_buf_ptr = TTY_PARITY;
+ flag = TTY_PARITY;
else if (*status & UART_LSR_FE)
- *tty->flip.flag_buf_ptr = TTY_FRAME;
+ flag = TTY_FRAME;
}
if (uart_handle_sysrq_char(&up->port, ch, regs))
goto ignore_char;
- if ((*status & up->port.ignore_status_mask) == 0) {
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- tty->flip.count++;
- }
- if ((*status & UART_LSR_OE) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
+ if ((*status & up->port.ignore_status_mask) == 0)
+ tty_insert_flip_char(tty, ch, flag);
+ if (*status & UART_LSR_OE)
/*
* Overrun is special, since it's reported
* immediately, and doesn't affect the current
* character.
*/
- *tty->flip.flag_buf_ptr = TTY_OVERRUN;
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- tty->flip.count++;
- }
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
ignore_char:
*status = serial_inp(up, UART_LSR);
} while ((*status & UART_LSR_DR) && (max_count-- > 0));
return tty;
}
-static _INLINE_ void transmit_chars(struct uart_sunsu_port *up)
+static void transmit_chars(struct uart_sunsu_port *up)
{
struct circ_buf *xmit = &up->port.info->xmit;
int count;
up->port.x_char = 0;
return;
}
- if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
- sunsu_stop_tx(&up->port, 0);
+ if (uart_tx_stopped(&up->port)) {
+ sunsu_stop_tx(&up->port);
+ return;
+ }
+ if (uart_circ_empty(xmit)) {
+ __stop_tx(up);
return;
}
uart_write_wakeup(&up->port);
if (uart_circ_empty(xmit))
- sunsu_stop_tx(&up->port, 0);
+ __stop_tx(up);
}
-static _INLINE_ void check_modem_status(struct uart_sunsu_port *up)
+static void check_modem_status(struct uart_sunsu_port *up)
{
int status;
quot = up->port.uartclk / (16 * new_baud);
- spin_unlock(&up->port.lock);
-
sunsu_change_speed(&up->port, up->cflag, 0, quot);
-
- spin_lock(&up->port.lock);
}
static void receive_kbd_ms_chars(struct uart_sunsu_port *up, struct pt_regs *regs, int is_break)
/* Stop-A is handled by drivers/char/keyboard.c now. */
if (up->su_type == SU_PORT_KBD) {
#ifdef CONFIG_SERIO
- serio_interrupt(&up->serio, ch, 0, regs);
+ serio_interrupt(up->serio, ch, 0, regs);
#endif
} else if (up->su_type == SU_PORT_MS) {
int ret = suncore_mouse_baud_detection(ch, is_break);
case 0:
#ifdef CONFIG_SERIO
- serio_interrupt(&up->serio, ch, 0, regs);
+ serio_interrupt(up->serio, ch, 0, regs);
#endif
break;
};
static unsigned int sunsu_get_mctrl(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
- unsigned long flags;
unsigned char status;
unsigned int ret;
- spin_lock_irqsave(&up->port.lock, flags);
status = serial_in(up, UART_MSR);
- spin_unlock_irqrestore(&up->port.lock, flags);
ret = 0;
if (status & UART_MSR_DCD)
/*
* Clear the FIFO buffers and disable them.
- * (they will be reeanbled in set_termios())
+ * (they will be reenabled in set_termios())
*/
if (uart_config[up->port.type].flags & UART_CLEAR_FIFO) {
serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO);
* if it is, then bail out, because there's likely no UART
* here.
*/
- if (!(up->port.flags & ASYNC_BUGGY_UART) &&
+ if (!(up->port.flags & UPF_BUGGY_UART) &&
(serial_inp(up, UART_LSR) == 0xff)) {
printk("ttyS%d: LSR safety check engaged!\n", up->port.line);
return -ENODEV;
}
if (up->su_type != SU_PORT_PORT) {
- retval = request_irq(up->irq, sunsu_kbd_ms_interrupt,
+ retval = request_irq(up->port.irq, sunsu_kbd_ms_interrupt,
SA_SHIRQ, su_typev[up->su_type], up);
} else {
- retval = request_irq(up->irq, sunsu_serial_interrupt,
+ retval = request_irq(up->port.irq, sunsu_serial_interrupt,
SA_SHIRQ, su_typev[up->su_type], up);
}
if (retval) {
- printk("su: Cannot register IRQ %d\n", up->irq);
+ printk("su: Cannot register IRQ %d\n", up->port.irq);
return retval;
}
up->ier = UART_IER_RLSI | UART_IER_RDI;
serial_outp(up, UART_IER, up->ier);
- if (up->port.flags & ASYNC_FOURPORT) {
+ if (up->port.flags & UPF_FOURPORT) {
unsigned int icp;
/*
* Enable interrupts on the AST Fourport board
serial_outp(up, UART_IER, 0);
spin_lock_irqsave(&up->port.lock, flags);
- if (up->port.flags & ASYNC_FOURPORT) {
+ if (up->port.flags & UPF_FOURPORT) {
/* reset interrupts on the AST Fourport board */
inb((up->port.iobase & 0xfe0) | 0x1f);
up->port.mctrl |= TIOCM_OUT1;
*/
(void) serial_in(up, UART_RX);
- free_irq(up->irq, up);
+ free_irq(up->port.irq, up);
}
static void
#ifdef CONFIG_SERIO
-static spinlock_t sunsu_serio_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(sunsu_serio_lock);
static int sunsu_serio_write(struct serio *serio, unsigned char ch)
{
- struct uart_sunsu_port *up = serio->driver;
+ struct uart_sunsu_port *up = serio->port_data;
unsigned long flags;
int lsr;
static int sunsu_serio_open(struct serio *serio)
{
- struct uart_sunsu_port *up = serio->driver;
+ struct uart_sunsu_port *up = serio->port_data;
unsigned long flags;
int ret;
static void sunsu_serio_close(struct serio *serio)
{
- struct uart_sunsu_port *up = serio->driver;
+ struct uart_sunsu_port *up = serio->port_data;
unsigned long flags;
spin_lock_irqsave(&sunsu_serio_lock, flags);
{
unsigned char status1, status2, scratch, scratch2, scratch3;
unsigned char save_lcr, save_mcr;
- struct linux_ebus_device *dev = 0;
+ struct linux_ebus_device *dev = NULL;
struct linux_ebus *ebus;
#ifdef CONFIG_SPARC64
struct sparc_isa_bridge *isa_br;
return;
up->type_probed = PORT_UNKNOWN;
- up->port.iotype = SERIAL_IO_MEM;
+ up->port.iotype = UPIO_MEM;
/*
* First we look for Ebus-bases su's
* This is correct on both architectures.
*/
up->port.mapbase = dev->resource[0].start;
- up->irq = dev->irqs[0];
+ up->port.irq = dev->irqs[0];
goto ebus_done;
}
}
/* Same on sparc64. Cool architecure... */
up->port.membase = (char *) isa_dev->resource.start;
up->port.mapbase = isa_dev->resource.start;
- up->irq = isa_dev->irq;
+ up->port.irq = isa_dev->irq;
goto ebus_done;
}
}
/*
* There is no intr property on MrCoffee, so hardwire it.
*/
- up->irq = IRQ_4M(13);
+ up->port.irq = IRQ_4M(13);
#endif
ebus_done:
spin_lock_irqsave(&up->port.lock, flags);
- if (!(up->port.flags & ASYNC_BUGGY_UART)) {
+ if (!(up->port.flags & UPF_BUGGY_UART)) {
/*
* Do a simple existence test first; if we fail this, there's
* no point trying anything else.
* manufacturer would be stupid enough to design a board
* that conflicts with COM 1-4 --- we hope!
*/
- if (!(up->port.flags & ASYNC_SKIP_TEST)) {
+ if (!(up->port.flags & UPF_SKIP_TEST)) {
serial_outp(up, UART_MCR, UART_MCR_LOOP | 0x0A);
status1 = serial_inp(up, UART_MSR) & 0xF0;
serial_outp(up, UART_MCR, save_mcr);
.major = TTY_MAJOR,
};
-static int __init sunsu_kbd_ms_init(void)
+static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up, int channel)
{
- struct uart_sunsu_port *up;
- int i;
+ int quot, baud;
+#ifdef CONFIG_SERIO
+ struct serio *serio;
+#endif
- for (i = 0, up = sunsu_ports; i < 2; i++, up++) {
- up->port.line = i;
- up->port.type = PORT_UNKNOWN;
- up->port.uartclk = (SU_BASE_BAUD * 16);
+ spin_lock_init(&up->port.lock);
+ up->port.line = channel;
+ up->port.type = PORT_UNKNOWN;
+ up->port.uartclk = (SU_BASE_BAUD * 16);
- if (up->su_type == SU_PORT_KBD)
- up->cflag = B1200 | CS8 | CLOCAL | CREAD;
- else
- up->cflag = B4800 | CS8 | CLOCAL | CREAD;
+ if (up->su_type == SU_PORT_KBD) {
+ up->cflag = B1200 | CS8 | CLOCAL | CREAD;
+ baud = 1200;
+ } else {
+ up->cflag = B4800 | CS8 | CLOCAL | CREAD;
+ baud = 4800;
+ }
+ quot = up->port.uartclk / (16 * baud);
- sunsu_autoconfig(up);
- if (up->port.type == PORT_UNKNOWN)
- continue;
+ sunsu_autoconfig(up);
+ if (up->port.type == PORT_UNKNOWN)
+ return -1;
- printk(KERN_INFO "su%d at 0x%p (irq = %s) is a %s\n",
- i,
- up->port.membase, __irq_itoa(up->irq),
- sunsu_type(&up->port));
+ printk(KERN_INFO "su%d at 0x%p (irq = %s) is a %s\n",
+ channel,
+ up->port.membase, __irq_itoa(up->port.irq),
+ sunsu_type(&up->port));
#ifdef CONFIG_SERIO
- memset(&up->serio, 0, sizeof(up->serio));
+ up->serio = serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+ if (serio) {
+ memset(serio, 0, sizeof(*serio));
- up->serio.driver = up;
+ serio->port_data = up;
- up->serio.type = SERIO_RS232;
+ serio->id.type = SERIO_RS232;
if (up->su_type == SU_PORT_KBD) {
- up->serio.type |= SERIO_SUNKBD;
- up->serio.name = "sukbd";
+ serio->id.proto = SERIO_SUNKBD;
+ strlcpy(serio->name, "sukbd", sizeof(serio->name));
} else {
- up->serio.type |= (SERIO_SUN | (1 << 16));
- up->serio.name = "sums";
+ serio->id.proto = SERIO_SUN;
+ serio->id.extra = 1;
+ strlcpy(serio->name, "sums", sizeof(serio->name));
}
- up->serio.phys = (i == 0 ? "su/serio0" : "su/serio1");
+ strlcpy(serio->phys, (channel == 0 ? "su/serio0" : "su/serio1"),
+ sizeof(serio->phys));
- up->serio.write = sunsu_serio_write;
- up->serio.open = sunsu_serio_open;
- up->serio.close = sunsu_serio_close;
+ serio->write = sunsu_serio_write;
+ serio->open = sunsu_serio_open;
+ serio->close = sunsu_serio_close;
- serio_register_port(&up->serio);
+ serio_register_port(serio);
+ } else {
+ printk(KERN_WARNING "su%d: not enough memory for serio port\n",
+ channel);
+ }
#endif
- sunsu_startup(&up->port);
- }
+ sunsu_change_speed(&up->port, up->cflag, 0, quot);
+
+ sunsu_startup(&up->port);
return 0;
}
} while ((status & BOTH_EMPTY) != BOTH_EMPTY);
/* Wait up to 1s for flow control if necessary */
- if (up->port.flags & ASYNC_CONS_FLOW) {
+ if (up->port.flags & UPF_CONS_FLOW) {
tmout = 1000000;
while (--tmout &&
((serial_in(up, UART_MSR) & UART_MSR_CTS) == 0))
}
}
+static void sunsu_console_putchar(struct uart_port *port, int ch)
+{
+ struct uart_sunsu_port *up = (struct uart_sunsu_port *)port;
+
+ wait_for_xmitr(up);
+ serial_out(up, UART_TX, ch);
+}
+
/*
* Print a string to the serial port trying not to disturb
* any possible real use of the port...
{
struct uart_sunsu_port *up = &sunsu_ports[co->index];
unsigned int ier;
- int i;
/*
* First save the UER then disable the interrupts
ier = serial_in(up, UART_IER);
serial_out(up, UART_IER, 0);
- /*
- * Now, do each character
- */
- for (i = 0; i < count; i++, s++) {
- wait_for_xmitr(up);
-
- /*
- * Send the character out.
- * If a LF, also do CR...
- */
- serial_out(up, UART_TX, *s);
- if (*s == 10) {
- wait_for_xmitr(up);
- serial_out(up, UART_TX, 13);
- }
- }
+ uart_console_write(&up->port, s, count, sunsu_console_putchar);
/*
* Finally, wait for transmitter to become empty
* - initialize the serial port
* Return non-zero if we didn't find a serial port.
*/
-static int __init sunsu_console_setup(struct console *co, char *options)
+static int sunsu_console_setup(struct console *co, char *options)
{
struct uart_port *port;
int baud = 9600;
.index = -1,
.data = &sunsu_reg,
};
-#define SUNSU_CONSOLE (&sunsu_cons)
/*
* Register console.
*/
-static int __init sunsu_serial_console_init(void)
+static inline struct console *SUNSU_CONSOLE(void)
{
int i;
if (con_is_present())
- return 0;
+ return NULL;
for (i = 0; i < UART_NR; i++) {
int this_minor = sunsu_reg.minor + i;
break;
}
if (i == UART_NR)
- return 0;
+ return NULL;
if (sunsu_ports[i].port_node == 0)
- return 0;
+ return NULL;
sunsu_cons.index = i;
- register_console(&sunsu_cons);
- return 0;
+
+ return &sunsu_cons;
}
#else
-#define SUNSU_CONSOLE (NULL)
+#define SUNSU_CONSOLE() (NULL)
#define sunsu_serial_console_init() do { } while (0)
#endif
up->su_type == SU_PORT_KBD)
continue;
- up->port.flags |= ASYNC_BOOT_AUTOCONF;
+ spin_lock_init(&up->port.lock);
+ up->port.flags |= UPF_BOOT_AUTOCONF;
up->port.type = PORT_UNKNOWN;
up->port.uartclk = (SU_BASE_BAUD * 16);
}
sunsu_reg.minor = sunserial_current_minor;
- sunserial_current_minor += instance;
sunsu_reg.nr = instance;
- sunsu_reg.cons = SUNSU_CONSOLE;
ret = uart_register_driver(&sunsu_reg);
if (ret < 0)
return ret;
+ sunsu_reg.tty_driver->name_base = sunsu_reg.minor - 64;
+
+ sunserial_current_minor += instance;
+
+ sunsu_reg.cons = SUNSU_CONSOLE();
+
for (i = 0; i < UART_NR; i++) {
struct uart_sunsu_port *up = &sunsu_ports[i];
if (scan.msx != -1 && scan.kbx != -1) {
sunsu_ports[0].su_type = SU_PORT_MS;
sunsu_ports[0].port_node = scan.msnode;
+ sunsu_kbd_ms_init(&sunsu_ports[0], 0);
+
sunsu_ports[1].su_type = SU_PORT_KBD;
sunsu_ports[1].port_node = scan.kbnode;
+ sunsu_kbd_ms_init(&sunsu_ports[1], 1);
- sunsu_kbd_ms_init();
return 0;
}
* Console must be initiated after the generic initialization.
*/
sunsu_serial_init();
- sunsu_serial_console_init();
return 0;
}
if (up->su_type == SU_PORT_MS ||
up->su_type == SU_PORT_KBD) {
#ifdef CONFIG_SERIO
- serio_unregister_port(&up->serio);
+ if (up->serio) {
+ serio_unregister_port(up->serio);
+ up->serio = NULL;
+ }
#endif
} else if (up->port.type != PORT_UNKNOWN) {
uart_remove_one_port(&sunsu_reg, &up->port);
module_init(sunsu_probe);
module_exit(sunsu_exit);
+MODULE_LICENSE("GPL");
git://git.onelab.eu / linux-2.6.git / blobdiff