X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fserial_core.h;h=3b2f6c04855e73d0ea300803c13970729e9b2989;hb=530bc23bfeaa9156003afbeb9708fd03a5f1c73c;hp=f6fca8f2f3cac00fd24c0774ebcd8891e6c043d3;hpb=e5c2d749172657ed51e20e4b5ab540447666cc50;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index f6fca8f..3b2f6c0 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -39,7 +39,8 @@ #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_MAX_8250 16 /* max port ID */ /* * ARM specific type numbers. These are not currently guaranteed @@ -58,15 +59,16 @@ #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 @@ -117,17 +119,52 @@ #define PORT_M32R_SIO 68 /*Digi jsm */ -#define PORT_JSM 65 +#define PORT_JSM 69 + +#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 #ifdef __KERNEL__ -#include #include #include #include #include #include #include +#include +#include struct uart_port; struct uart_info; @@ -142,16 +179,18 @@ struct uart_ops { unsigned int (*tx_empty)(struct uart_port *); void (*set_mctrl)(struct uart_port *, unsigned int mctrl); unsigned int (*get_mctrl)(struct uart_port *); - void (*stop_tx)(struct uart_port *, unsigned int tty_stop); - void (*start_tx)(struct uart_port *, unsigned int tty_start); + void (*stop_tx)(struct uart_port *); + void (*start_tx)(struct uart_port *); void (*send_xchar)(struct uart_port *, char ch); void (*stop_rx)(struct uart_port *); void (*enable_ms)(struct uart_port *); 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); @@ -175,6 +214,10 @@ struct uart_ops { 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) @@ -194,21 +237,28 @@ struct uart_icount { __u32 buf_overrun; }; +typedef unsigned int __bitwise__ upf_t; + struct uart_port { spinlock_t lock; /* port lock */ unsigned int iobase; /* in/out[bwl] */ unsigned char __iomem *membase; /* read/write[bwl] */ 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 */ @@ -220,42 +270,44 @@ struct uart_port { 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_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)) +#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 */ }; /* @@ -275,10 +327,13 @@ struct uart_state { struct uart_info *info; struct uart_port *port; - struct semaphore sem; + struct mutex mutex; }; #define UART_XMIT_SIZE PAGE_SIZE + +typedef unsigned int __bitwise__ uif_t; + /* * 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 @@ -286,25 +341,23 @@ struct uart_state { * stuff here. */ struct uart_info { - struct tty_struct *tty; + struct tty_port port; struct circ_buf xmit; - unsigned int flags; + uif_t 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. + * 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 (1 << 25) -#define UIF_CTS_FLOW (1 << 26) -#define UIF_NORMAL_ACTIVE (1 << 29) -#define UIF_INITIALIZED (1 << 31) - - int blocked_open; +#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 open_wait; wait_queue_head_t delta_msr_wait; }; @@ -318,7 +371,6 @@ struct uart_driver { struct module *owner; const char *driver_name; const char *dev_name; - const char *devfs_name; int major; int minor; int nr; @@ -339,8 +391,8 @@ void uart_write_wakeup(struct uart_port *port); */ 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); @@ -354,14 +406,15 @@ void uart_parse_options(char *options, int *baud, int *parity, int *bits, 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 */ int uart_register_driver(struct uart_driver *uart); void uart_unregister_driver(struct uart_driver *uart); -void __deprecated uart_unregister_port(struct uart_driver *reg, int line); -int __deprecated uart_register_port(struct uart_driver *reg, struct uart_port *port); int uart_add_one_port(struct uart_driver *reg, struct uart_port *port); int uart_remove_one_port(struct uart_driver *reg, struct uart_port *port); int uart_match_port(struct uart_port *port1, struct uart_port *port2); @@ -381,29 +434,29 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port); #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) +#define uart_tx_stopped(portp) \ + ((portp)->info->port.tty->stopped || (portp)->info->port.tty->hw_stopped) /* * The following are helper functions for the low level drivers. */ -#ifdef SUPPORT_SYSRQ 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->info->port.tty : NULL); port->sysrq = 0; return 1; } port->sysrq = 0; } +#endif return 0; } -#else -#define uart_handle_sysrq_char(port,ch,regs) (0) +#ifndef SUPPORT_SYSRQ +#define uart_handle_sysrq_char(port,ch) uart_handle_sysrq_char(port, 0) #endif /* @@ -421,8 +474,8 @@ static inline int uart_handle_break(struct uart_port *port) 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; } @@ -445,9 +498,9 @@ uart_handle_dcd_change(struct uart_port *port, unsigned int status) 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); } } @@ -460,7 +513,7 @@ static inline void 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++; @@ -468,13 +521,13 @@ uart_handle_cts_change(struct uart_port *port, unsigned int status) if (tty->hw_stopped) { if (status) { tty->hw_stopped = 0; - port->ops->start_tx(port, 0); + port->ops->start_tx(port); uart_write_wakeup(port); } } else { if (!status) { tty->hw_stopped = 1; - port->ops->stop_tx(port, 0); + port->ops->stop_tx(port); } } } @@ -486,7 +539,7 @@ static inline void 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);