#include <linux/serio.h>
#endif
#include <linux/init.h>
+#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/prom.h>
-#include <asm/of_device.h>
#if defined(CONFIG_SERIAL_SUNZILOG_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
#define SUPPORT_SYSRQ
readb(&((__channel)->control))
#endif
-static int num_sunzilog;
-#define NUM_SUNZILOG num_sunzilog
-#define NUM_CHANNELS (NUM_SUNZILOG * 2)
-
#define ZS_CLOCK 4915200 /* Zilog input clock rate. */
#define ZS_CLOCK_DIVISOR 16 /* Divisor this driver uses. */
unsigned char ch, r1, flag;
tty = NULL;
- if (up->port.info != NULL && /* Unopened serial console */
- up->port.info->tty != NULL) /* Keyboard || mouse */
- tty = up->port.info->tty;
+ if (up->port.state != NULL && /* Unopened serial console */
+ up->port.state->port.tty != NULL) /* Keyboard || mouse */
+ tty = up->port.state->port.tty;
for (;;) {
uart_handle_cts_change(&up->port,
(status & CTS));
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
up->prev_status = status;
return;
}
- if (up->port.info == NULL)
+ if (up->port.state == NULL)
goto ack_tx_int;
- xmit = &up->port.info->xmit;
+ xmit = &up->port.state->xmit;
if (uart_circ_empty(xmit))
goto ack_tx_int;
port->icount.tx++;
port->x_char = 0;
} else {
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
writeb(xmit->buf[xmit->tail], &channel->data);
ZSDELAY();
.verify_port = sunzilog_verify_port,
};
+static int uart_chip_count;
static struct uart_sunzilog_port *sunzilog_port_table;
static struct zilog_layout __iomem **sunzilog_chip_regs;
static struct uart_driver sunzilog_reg = {
.owner = THIS_MODULE,
- .driver_name = "ttyS",
+ .driver_name = "sunzilog",
.dev_name = "ttyS",
.major = TTY_MAJOR,
};
-static int __init sunzilog_alloc_tables(void)
+static int __init sunzilog_alloc_tables(int num_sunzilog)
{
struct uart_sunzilog_port *up;
unsigned long size;
+ int num_channels = num_sunzilog * 2;
int i;
- size = NUM_CHANNELS * sizeof(struct uart_sunzilog_port);
+ size = num_channels * sizeof(struct uart_sunzilog_port);
sunzilog_port_table = kzalloc(size, GFP_KERNEL);
if (!sunzilog_port_table)
return -ENOMEM;
- for (i = 0; i < NUM_CHANNELS; i++) {
+ for (i = 0; i < num_channels; i++) {
up = &sunzilog_port_table[i];
spin_lock_init(&up->port.lock);
if (i == 0)
sunzilog_irq_chain = up;
- if (i < NUM_CHANNELS - 1)
+ if (i < num_channels - 1)
up->next = up + 1;
else
up->next = NULL;
}
- size = NUM_SUNZILOG * sizeof(struct zilog_layout __iomem *);
+ size = num_sunzilog * sizeof(struct zilog_layout __iomem *);
sunzilog_chip_regs = kzalloc(size, GFP_KERNEL);
if (!sunzilog_chip_regs) {
kfree(sunzilog_port_table);
#define SUNZILOG_CONSOLE() (NULL)
#endif
-static void __devinit sunzilog_init_kbdms(struct uart_sunzilog_port *up, int channel)
+static void __devinit sunzilog_init_kbdms(struct uart_sunzilog_port *up)
{
int baud, brg;
up->curregs[R7] = 0x7E; /* SDLC Flag */
up->curregs[R9] = NV;
up->curregs[R7p] = 0x00;
- sunzilog_init_kbdms(up, up->port.line);
+ sunzilog_init_kbdms(up);
/* Only enable interrupts if an ISR handler available */
if (up->flags & SUNZILOG_FLAG_ISR_HANDLER)
up->curregs[R9] |= MIE;
static int __devinit zs_probe(struct of_device *op, const struct of_device_id *match)
{
- static int inst;
+ static int kbm_inst, uart_inst;
+ int inst;
struct uart_sunzilog_port *up;
struct zilog_layout __iomem *rp;
- int keyboard_mouse;
+ int keyboard_mouse = 0;
int err;
- keyboard_mouse = 0;
if (of_find_property(op->node, "keyboard", NULL))
keyboard_mouse = 1;
+ /* uarts must come before keyboards/mice */
+ if (keyboard_mouse)
+ inst = uart_chip_count + kbm_inst;
+ else
+ inst = uart_inst;
+
sunzilog_chip_regs[inst] = of_ioremap(&op->resource[0], 0,
sizeof(struct zilog_layout),
"zs");
rp, sizeof(struct zilog_layout));
return err;
}
+ uart_inst++;
} else {
- printk(KERN_INFO "%s: Keyboard at MMIO 0x%lx (irq = %d) "
+ printk(KERN_INFO "%s: Keyboard at MMIO 0x%llx (irq = %d) "
"is a %s\n",
- op->dev.bus_id, up[0].port.mapbase, op->irqs[0],
- sunzilog_type (&up[0].port));
- printk(KERN_INFO "%s: Mouse at MMIO 0x%lx (irq = %d) "
+ dev_name(&op->dev),
+ (unsigned long long) up[0].port.mapbase,
+ op->irqs[0], sunzilog_type(&up[0].port));
+ printk(KERN_INFO "%s: Mouse at MMIO 0x%llx (irq = %d) "
"is a %s\n",
- op->dev.bus_id, up[1].port.mapbase, op->irqs[0],
- sunzilog_type (&up[1].port));
+ dev_name(&op->dev),
+ (unsigned long long) up[1].port.mapbase,
+ op->irqs[0], sunzilog_type(&up[1].port));
+ kbm_inst++;
}
dev_set_drvdata(&op->dev, &up[0]);
- inst++;
-
return 0;
}
return 0;
}
-static struct of_device_id zs_match[] = {
+static const struct of_device_id zs_match[] = {
{
.name = "zs",
},
static int __init sunzilog_init(void)
{
struct device_node *dp;
- int err, uart_count;
- int num_keybms;
+ int err;
+ int num_keybms = 0;
+ int num_sunzilog = 0;
- NUM_SUNZILOG = 0;
- num_keybms = 0;
for_each_node_by_name(dp, "zs") {
- NUM_SUNZILOG++;
+ num_sunzilog++;
if (of_find_property(dp, "keyboard", NULL))
num_keybms++;
}
- uart_count = 0;
- if (NUM_SUNZILOG) {
- int uart_count;
-
- err = sunzilog_alloc_tables();
+ if (num_sunzilog) {
+ err = sunzilog_alloc_tables(num_sunzilog);
if (err)
goto out;
- uart_count = (NUM_SUNZILOG * 2) - (2 * num_keybms);
+ uart_chip_count = num_sunzilog - num_keybms;
- sunzilog_reg.nr = uart_count;
- sunzilog_reg.minor = sunserial_current_minor;
- err = uart_register_driver(&sunzilog_reg);
+ err = sunserial_register_minors(&sunzilog_reg,
+ uart_chip_count * 2);
if (err)
goto out_free_tables;
-
- sunzilog_reg.tty_driver->name_base = sunzilog_reg.minor - 64;
-
- sunserial_current_minor += uart_count;
}
err = of_register_driver(&zs_driver, &of_bus_type);
of_unregister_driver(&zs_driver);
out_unregister_uart:
- if (NUM_SUNZILOG) {
- uart_unregister_driver(&sunzilog_reg);
+ if (num_sunzilog) {
+ sunserial_unregister_minors(&sunzilog_reg, num_sunzilog);
sunzilog_reg.cons = NULL;
}
zilog_irq = -1;
}
- if (NUM_SUNZILOG) {
- uart_unregister_driver(&sunzilog_reg);
+ if (sunzilog_reg.nr) {
+ sunserial_unregister_minors(&sunzilog_reg, sunzilog_reg.nr);
sunzilog_free_tables();
}
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff