#define PORT_RSA 13
#define PORT_NS16550A 14
#define PORT_XSCALE 15
-#define PORT_MAX_8250 15 /* max port ID */
+#define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */
+#define PORT_OCTEON 17 /* Cavium OCTEON internal UART */
+#define PORT_MAX_8250 17 /* max port ID */
/*
* ARM specific type numbers. These are not currently guaranteed
#define PORT_SUNZILOG 38
#define PORT_SUNSAB 39
-/* NEC v850. */
-#define PORT_V850E_UART 40
-
-/* DZ */
-#define PORT_DZ 47
+/* DEC */
+#define PORT_DZ 46
+#define PORT_ZS 47
/* Parisc type numbers. */
#define PORT_MUX 48
+/* Atmel AT91 / AT32 SoC */
+#define PORT_ATMEL 49
+
/* Macintosh Zilog type numbers */
#define PORT_MAC_ZILOG 50 /* m68k : not yet implemented */
#define PORT_PMAC_ZILOG 51
/*Digi jsm */
#define PORT_JSM 69
-#define PORT_IP3106 70
+#define PORT_PNX8XXX 70
+
+/* Hilscher netx */
+#define PORT_NETX 71
+
+/* SUN4V Hypervisor Console */
+#define PORT_SUNHV 72
+
+#define PORT_S3C2412 73
+
+/* Xilinx uartlite */
+#define PORT_UARTLITE 74
+
+/* Blackfin bf5xx */
+#define PORT_BFIN 75
+
+/* Micrel KS8695 */
+#define PORT_KS8695 76
+
+/* Broadcom SB1250, etc. SOC */
+#define PORT_SB1250_DUART 77
+
+/* Freescale ColdFire */
+#define PORT_MCF 78
+
+/* Blackfin SPORT */
+#define PORT_BFIN_SPORT 79
+
+/* MN10300 on-chip UART numbers */
+#define PORT_MN10300 80
+#define PORT_MN10300_CTS 81
+
+#define PORT_SC26XX 82
+
+/* SH-SCI */
+#define PORT_SCIFA 83
+
+#define PORT_S3C6400 84
+
+/* NWPSERIAL */
+#define PORT_NWPSERIAL 85
#ifdef __KERNEL__
-#include <linux/config.h>
#include <linux/compiler.h>
#include <linux/interrupt.h>
#include <linux/circ_buf.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/tty.h>
+#include <linux/mutex.h>
+#include <linux/sysrq.h>
struct uart_port;
struct uart_info;
void (*break_ctl)(struct uart_port *, int ctl);
int (*startup)(struct uart_port *);
void (*shutdown)(struct uart_port *);
- void (*set_termios)(struct uart_port *, struct termios *new,
- struct termios *old);
+ void (*flush_buffer)(struct uart_port *);
+ void (*set_termios)(struct uart_port *, struct ktermios *new,
+ struct ktermios *old);
+ void (*set_ldisc)(struct uart_port *);
void (*pm)(struct uart_port *, unsigned int state,
unsigned int oldstate);
int (*set_wake)(struct uart_port *, unsigned int state);
void (*config_port)(struct uart_port *, int);
int (*verify_port)(struct uart_port *, struct serial_struct *);
int (*ioctl)(struct uart_port *, unsigned int, unsigned long);
+#ifdef CONFIG_CONSOLE_POLL
+ void (*poll_put_char)(struct uart_port *, unsigned char);
+ int (*poll_get_char)(struct uart_port *);
+#endif
};
#define UART_CONFIG_TYPE (1 << 0)
__u32 buf_overrun;
};
+typedef unsigned int __bitwise__ upf_t;
+
struct uart_port {
spinlock_t lock; /* port lock */
- unsigned int iobase; /* in/out[bwl] */
+ unsigned long iobase; /* in/out[bwl] */
unsigned char __iomem *membase; /* read/write[bwl] */
+ unsigned int (*serial_in)(struct uart_port *, int);
+ void (*serial_out)(struct uart_port *, int, int);
unsigned int irq; /* irq number */
unsigned int uartclk; /* base uart clock */
- unsigned char fifosize; /* tx fifo size */
+ unsigned int fifosize; /* tx fifo size */
unsigned char x_char; /* xon/xoff char */
unsigned char regshift; /* reg offset shift */
unsigned char iotype; /* io access style */
+ unsigned char unused1;
#define UPIO_PORT (0)
#define UPIO_HUB6 (1)
#define UPIO_MEM (2)
#define UPIO_MEM32 (3)
#define UPIO_AU (4) /* Au1x00 type IO */
+#define UPIO_TSI (5) /* Tsi108/109 type IO */
+#define UPIO_DWAPB (6) /* DesignWare APB UART */
+#define UPIO_RM9000 (7) /* RM9000 type IO */
unsigned int read_status_mask; /* driver specific */
unsigned int ignore_status_mask; /* driver specific */
unsigned long sysrq; /* sysrq timeout */
#endif
- unsigned int flags;
-
-#define UPF_FOURPORT (1 << 1)
-#define UPF_SAK (1 << 2)
-#define UPF_SPD_MASK (0x1030)
-#define UPF_SPD_HI (0x0010)
-#define UPF_SPD_VHI (0x0020)
-#define UPF_SPD_CUST (0x0030)
-#define UPF_SPD_SHI (0x1000)
-#define UPF_SPD_WARP (0x1010)
-#define UPF_SKIP_TEST (1 << 6)
-#define UPF_AUTO_IRQ (1 << 7)
-#define UPF_HARDPPS_CD (1 << 11)
-#define UPF_LOW_LATENCY (1 << 13)
-#define UPF_BUGGY_UART (1 << 14)
-#define UPF_AUTOPROBE (1 << 15)
-#define UPF_MAGIC_MULTIPLIER (1 << 16)
-#define UPF_BOOT_ONLYMCA (1 << 22)
-#define UPF_CONS_FLOW (1 << 23)
-#define UPF_SHARE_IRQ (1 << 24)
-#define UPF_BOOT_AUTOCONF (1 << 28)
-#define UPF_IOREMAP (1 << 31)
-
-#define UPF_CHANGE_MASK (0x17fff)
-#define UPF_USR_MASK (UPF_SPD_MASK|UPF_LOW_LATENCY)
+ upf_t flags;
+
+#define UPF_FOURPORT ((__force upf_t) (1 << 1))
+#define UPF_SAK ((__force upf_t) (1 << 2))
+#define UPF_SPD_MASK ((__force upf_t) (0x1030))
+#define UPF_SPD_HI ((__force upf_t) (0x0010))
+#define UPF_SPD_VHI ((__force upf_t) (0x0020))
+#define UPF_SPD_CUST ((__force upf_t) (0x0030))
+#define UPF_SPD_SHI ((__force upf_t) (0x1000))
+#define UPF_SPD_WARP ((__force upf_t) (0x1010))
+#define UPF_SKIP_TEST ((__force upf_t) (1 << 6))
+#define UPF_AUTO_IRQ ((__force upf_t) (1 << 7))
+#define UPF_HARDPPS_CD ((__force upf_t) (1 << 11))
+#define UPF_LOW_LATENCY ((__force upf_t) (1 << 13))
+#define UPF_BUGGY_UART ((__force upf_t) (1 << 14))
+#define UPF_NO_TXEN_TEST ((__force upf_t) (1 << 15))
+#define UPF_MAGIC_MULTIPLIER ((__force upf_t) (1 << 16))
+#define UPF_CONS_FLOW ((__force upf_t) (1 << 23))
+#define UPF_SHARE_IRQ ((__force upf_t) (1 << 24))
+/* The exact UART type is known and should not be probed. */
+#define UPF_FIXED_TYPE ((__force upf_t) (1 << 27))
+#define UPF_BOOT_AUTOCONF ((__force upf_t) (1 << 28))
+#define UPF_FIXED_PORT ((__force upf_t) (1 << 29))
+#define UPF_DEAD ((__force upf_t) (1 << 30))
+#define UPF_IOREMAP ((__force upf_t) (1 << 31))
+
+#define UPF_CHANGE_MASK ((__force upf_t) (0x17fff))
+#define UPF_USR_MASK ((__force upf_t) (UPF_SPD_MASK|UPF_LOW_LATENCY))
unsigned int mctrl; /* current modem ctrl settings */
unsigned int timeout; /* character-based timeout */
unsigned int type; /* port type */
- struct uart_ops *ops;
+ const struct uart_ops *ops;
unsigned int custom_divisor;
unsigned int line; /* port index */
- unsigned long mapbase; /* for ioremap */
+ resource_size_t mapbase; /* for ioremap */
struct device *dev; /* parent device */
unsigned char hub6; /* this should be in the 8250 driver */
- unsigned char unused[3];
+ unsigned char suspended;
+ unsigned char unused[2];
+ void *private_data; /* generic platform data pointer */
+};
+
+/*
+ * This is the state information which is only valid when the port
+ * is open; it may be cleared the core driver once the device has
+ * been closed. Either the low level driver or the core can modify
+ * stuff here.
+ */
+typedef unsigned int __bitwise__ uif_t;
+
+struct uart_info {
+ struct tty_port port;
+ struct circ_buf xmit;
+ uif_t flags;
+
+/*
+ * Definitions for info->flags. These are _private_ to serial_core, and
+ * are specific to this structure. They may be queried by low level drivers.
+ *
+ * FIXME: use the ASY_ definitions
+ */
+#define UIF_CHECK_CD ((__force uif_t) (1 << 25))
+#define UIF_CTS_FLOW ((__force uif_t) (1 << 26))
+#define UIF_NORMAL_ACTIVE ((__force uif_t) (1 << 29))
+#define UIF_INITIALIZED ((__force uif_t) (1 << 31))
+#define UIF_SUSPENDED ((__force uif_t) (1 << 30))
+
+ struct tasklet_struct tlet;
+ wait_queue_head_t delta_msr_wait;
};
/*
int count;
int pm_state;
- struct uart_info *info;
+ struct uart_info info;
struct uart_port *port;
- struct semaphore sem;
+ struct mutex mutex;
};
#define UART_XMIT_SIZE PAGE_SIZE
-/*
- * This is the state information which is only valid when the port
- * is open; it may be freed by the core driver once the device has
- * been closed. Either the low level driver or the core can modify
- * stuff here.
- */
-struct uart_info {
- struct tty_struct *tty;
- struct circ_buf xmit;
- unsigned int flags;
-/*
- * These are the flags that specific to info->flags, and reflect our
- * internal state. They can not be accessed via port->flags. Low
- * level drivers must not change these, but may query them instead.
- */
-#define UIF_CHECK_CD (1 << 25)
-#define UIF_CTS_FLOW (1 << 26)
-#define UIF_NORMAL_ACTIVE (1 << 29)
-#define UIF_INITIALIZED (1 << 31)
-
- int blocked_open;
-
- struct tasklet_struct tlet;
-
- wait_queue_head_t open_wait;
- wait_queue_head_t delta_msr_wait;
-};
/* number of characters left in xmit buffer before we ask for more */
#define WAKEUP_CHARS 256
struct module *owner;
const char *driver_name;
const char *dev_name;
- const char *devfs_name;
int major;
int minor;
int nr;
*/
void uart_update_timeout(struct uart_port *port, unsigned int cflag,
unsigned int baud);
-unsigned int uart_get_baud_rate(struct uart_port *port, struct termios *termios,
- struct termios *old, unsigned int min,
+unsigned int uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
+ struct ktermios *old, unsigned int min,
unsigned int max);
unsigned int uart_get_divisor(struct uart_port *port, unsigned int baud);
int uart_set_options(struct uart_port *port, struct console *co, int baud,
int parity, int bits, int flow);
struct tty_driver *uart_console_device(struct console *co, int *index);
+void uart_console_write(struct uart_port *port, const char *s,
+ unsigned int count,
+ void (*putchar)(struct uart_port *, int));
/*
* Port/driver registration/removal
#define uart_circ_chars_free(circ) \
(CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE))
-#define uart_tx_stopped(port) \
- ((port)->info->tty->stopped || (port)->info->tty->hw_stopped)
+static inline int uart_tx_stopped(struct uart_port *port)
+{
+ struct tty_struct *tty = port->info->port.tty;
+ if(tty->stopped || tty->hw_stopped)
+ return 1;
+ return 0;
+}
/*
* The following are helper functions for the low level drivers.
*/
static inline int
-uart_handle_sysrq_char(struct uart_port *port, unsigned int ch,
- struct pt_regs *regs)
+uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
{
#ifdef SUPPORT_SYSRQ
if (port->sysrq) {
if (ch && time_before(jiffies, port->sysrq)) {
- handle_sysrq(ch, regs, NULL);
+ handle_sysrq(ch, port->info->port.tty);
port->sysrq = 0;
return 1;
}
return 0;
}
#ifndef SUPPORT_SYSRQ
-#define uart_handle_sysrq_char(port,ch,regs) uart_handle_sysrq_char(port, 0, NULL)
+#define uart_handle_sysrq_char(port,ch) uart_handle_sysrq_char(port, 0)
#endif
/*
port->sysrq = 0;
}
#endif
- if (info->flags & UPF_SAK)
- do_SAK(info->tty);
+ if (port->flags & UPF_SAK)
+ do_SAK(info->port.tty);
return 0;
}
if (info->flags & UIF_CHECK_CD) {
if (status)
- wake_up_interruptible(&info->open_wait);
- else if (info->tty)
- tty_hangup(info->tty);
+ wake_up_interruptible(&info->port.open_wait);
+ else if (info->port.tty)
+ tty_hangup(info->port.tty);
}
}
uart_handle_cts_change(struct uart_port *port, unsigned int status)
{
struct uart_info *info = port->info;
- struct tty_struct *tty = info->tty;
+ struct tty_struct *tty = info->port.tty;
port->icount.cts++;
uart_insert_char(struct uart_port *port, unsigned int status,
unsigned int overrun, unsigned int ch, unsigned int flag)
{
- struct tty_struct *tty = port->info->tty;
+ struct tty_struct *tty = port->info->port.tty;
if ((status & port->ignore_status_mask & ~overrun) == 0)
tty_insert_flip_char(tty, ch, flag);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff