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path: root/drivers/tty/serial/8250/8250.h
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Diffstat (limited to 'drivers/tty/serial/8250/8250.h')
-rw-r--r--drivers/tty/serial/8250/8250.h36
1 files changed, 30 insertions, 6 deletions
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 1aa3e55c8b47..11e05aa014e5 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -9,7 +9,7 @@
#include <linux/bits.h>
#include <linux/serial_8250.h>
-#include <linux/serial_reg.h>
+#include <linux/serial_core.h>
#include <linux/dmaengine.h>
#include "../serial_mctrl_gpio.h"
@@ -93,6 +93,10 @@ struct serial8250_config {
#define UART_BUG_THRE BIT(3) /* UART has buggy THRE reassertion */
#define UART_BUG_TXRACE BIT(5) /* UART Tx fails to set remote DR */
+/* Module parameters */
+#define UART_NR CONFIG_SERIAL_8250_NR_UARTS
+
+extern unsigned int nr_uarts;
#ifdef CONFIG_SERIAL_8250_SHARE_IRQ
#define SERIAL8250_SHARE_IRQS 1
@@ -100,6 +104,9 @@ struct serial8250_config {
#define SERIAL8250_SHARE_IRQS 0
#endif
+extern unsigned int share_irqs;
+extern unsigned int skip_txen_test;
+
#define SERIAL8250_PORT_FLAGS(_base, _irq, _flags) \
{ \
.iobase = _base, \
@@ -111,6 +118,19 @@ struct serial8250_config {
#define SERIAL8250_PORT(_base, _irq) SERIAL8250_PORT_FLAGS(_base, _irq, 0)
+extern struct uart_driver serial8250_reg;
+void serial8250_register_ports(struct uart_driver *drv, struct device *dev);
+
+/* Legacy ISA bus related APIs */
+typedef void (*serial8250_isa_config_fn)(int, struct uart_port *, u32 *);
+extern serial8250_isa_config_fn serial8250_isa_config;
+
+void serial8250_isa_init_ports(void);
+
+extern struct platform_device *serial8250_isa_devs;
+
+extern const struct uart_ops *univ8250_port_base_ops;
+extern struct uart_ops univ8250_port_ops;
static inline int serial_in(struct uart_8250_port *up, int offset)
{
@@ -200,6 +220,7 @@ static inline bool serial8250_clear_THRI(struct uart_8250_port *up)
return true;
}
+struct uart_8250_port *serial8250_setup_port(int index);
struct uart_8250_port *serial8250_get_port(int line);
void serial8250_rpm_get(struct uart_8250_port *p);
@@ -210,8 +231,8 @@ void serial8250_rpm_put_tx(struct uart_8250_port *p);
int serial8250_em485_config(struct uart_port *port, struct ktermios *termios,
struct serial_rs485 *rs485);
-void serial8250_em485_start_tx(struct uart_8250_port *p);
-void serial8250_em485_stop_tx(struct uart_8250_port *p);
+void serial8250_em485_start_tx(struct uart_8250_port *p, bool toggle_ier);
+void serial8250_em485_stop_tx(struct uart_8250_port *p, bool toggle_ier);
void serial8250_em485_destroy(struct uart_8250_port *p);
extern struct serial_rs485 serial8250_em485_supported;
@@ -293,9 +314,6 @@ static inline int serial8250_in_MCR(struct uart_8250_port *up)
return mctrl;
}
-bool alpha_jensen(void);
-void alpha_jensen_set_mctrl(struct uart_port *port, unsigned int mctrl);
-
#ifdef CONFIG_SERIAL_8250_PNP
int serial8250_pnp_init(void);
void serial8250_pnp_exit(void);
@@ -304,6 +322,12 @@ static inline int serial8250_pnp_init(void) { return 0; }
static inline void serial8250_pnp_exit(void) { }
#endif
+#ifdef CONFIG_SERIAL_8250_RSA
+void univ8250_rsa_support(struct uart_ops *ops);
+#else
+static inline void univ8250_rsa_support(struct uart_ops *ops) { }
+#endif
+
#ifdef CONFIG_SERIAL_8250_FINTEK
int fintek_8250_probe(struct uart_8250_port *uart);
#else