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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/serial_core.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/serial_core.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/serial_core.h | 560 |
1 files changed, 0 insertions, 560 deletions
diff --git a/ANDROID_3.4.5/include/linux/serial_core.h b/ANDROID_3.4.5/include/linux/serial_core.h deleted file mode 100644 index 828c8037..00000000 --- a/ANDROID_3.4.5/include/linux/serial_core.h +++ /dev/null @@ -1,560 +0,0 @@ -/* - * linux/drivers/char/serial_core.h - * - * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef LINUX_SERIAL_CORE_H -#define LINUX_SERIAL_CORE_H - -#include <linux/serial.h> - -/* - * The type definitions. These are from Ted Ts'o's serial.h - */ -#define PORT_UNKNOWN 0 -#define PORT_8250 1 -#define PORT_16450 2 -#define PORT_16550 3 -#define PORT_16550A 4 -#define PORT_CIRRUS 5 -#define PORT_16650 6 -#define PORT_16650V2 7 -#define PORT_16750 8 -#define PORT_STARTECH 9 -#define PORT_16C950 10 -#define PORT_16654 11 -#define PORT_16850 12 -#define PORT_RSA 13 -#define PORT_NS16550A 14 -#define PORT_XSCALE 15 -#define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */ -#define PORT_OCTEON 17 /* Cavium OCTEON internal UART */ -#define PORT_AR7 18 /* Texas Instruments AR7 internal UART */ -#define PORT_U6_16550A 19 /* ST-Ericsson U6xxx internal UART */ -#define PORT_TEGRA 20 /* NVIDIA Tegra internal UART */ -#define PORT_XR17D15X 21 /* Exar XR17D15x UART */ -#define PORT_MAX_8250 21 /* max port ID */ - -/* - * ARM specific type numbers. These are not currently guaranteed - * to be implemented, and will change in the future. These are - * separate so any additions to the old serial.c that occur before - * we are merged can be easily merged here. - */ -#define PORT_PXA 31 -#define PORT_AMBA 32 -#define PORT_CLPS711X 33 -#define PORT_SA1100 34 -#define PORT_UART00 35 -#define PORT_21285 37 - -/* Sparc type numbers. */ -#define PORT_SUNZILOG 38 -#define PORT_SUNSAB 39 - -/* 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 - -/* SH-SCI */ -#define PORT_SCI 52 -#define PORT_SCIF 53 -#define PORT_IRDA 54 - -/* Samsung S3C2410 SoC and derivatives thereof */ -#define PORT_S3C2410 55 - -/* SGI IP22 aka Indy / Challenge S / Indigo 2 */ -#define PORT_IP22ZILOG 56 - -/* Sharp LH7a40x -- an ARM9 SoC series */ -#define PORT_LH7A40X 57 - -/* PPC CPM type number */ -#define PORT_CPM 58 - -/* MPC52xx (and MPC512x) type numbers */ -#define PORT_MPC52xx 59 - -/* IBM icom */ -#define PORT_ICOM 60 - -/* Samsung S3C2440 SoC */ -#define PORT_S3C2440 61 - -/* Motorola i.MX SoC */ -#define PORT_IMX 62 - -/* Marvell MPSC */ -#define PORT_MPSC 63 - -/* TXX9 type number */ -#define PORT_TXX9 64 - -/* NEC VR4100 series SIU/DSIU */ -#define PORT_VR41XX_SIU 65 -#define PORT_VR41XX_DSIU 66 - -/* Samsung S3C2400 SoC */ -#define PORT_S3C2400 67 - -/* M32R SIO */ -#define PORT_M32R_SIO 68 - -/*Digi jsm */ -#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 - -/* SH-SCI */ -#define PORT_SCIFA 83 - -#define PORT_S3C6400 84 - -/* NWPSERIAL */ -#define PORT_NWPSERIAL 85 - -/* MAX3100 */ -#define PORT_MAX3100 86 - -/* Timberdale UART */ -#define PORT_TIMBUART 87 - -/* Qualcomm MSM SoCs */ -#define PORT_MSM 88 - -/* BCM63xx family SoCs */ -#define PORT_BCM63XX 89 - -/* Aeroflex Gaisler GRLIB APBUART */ -#define PORT_APBUART 90 - -/* Altera UARTs */ -#define PORT_ALTERA_JTAGUART 91 -#define PORT_ALTERA_UART 92 - -/* SH-SCI */ -#define PORT_SCIFB 93 - -/* MAX3107 */ -#define PORT_MAX3107 94 - -/* High Speed UART for Medfield */ -#define PORT_MFD 95 - -/* TI OMAP-UART */ -#define PORT_OMAP 96 - -/* VIA VT8500 SoC */ -#define PORT_VT8500 97 - -/* Xilinx PSS UART */ -#define PORT_XUARTPS 98 - -/* Atheros AR933X SoC */ -#define PORT_AR933X 99 - -/* Energy Micro efm32 SoC */ -#define PORT_EFMUART 100 - -#ifdef __KERNEL__ - -#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> -#include <linux/pps_kernel.h> - -struct uart_port; -struct serial_struct; -struct device; - -/* - * This structure describes all the operations that can be - * done on the physical hardware. - */ -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 *); - 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 (*flush_buffer)(struct uart_port *); - void (*set_termios)(struct uart_port *, struct ktermios *new, - struct ktermios *old); - void (*set_ldisc)(struct uart_port *, int new); - void (*pm)(struct uart_port *, unsigned int state, - unsigned int oldstate); - int (*set_wake)(struct uart_port *, unsigned int state); - void (*wake_peer)(struct uart_port *); - - /* - * Return a string describing the type of the port - */ - const char *(*type)(struct uart_port *); - - /* - * Release IO and memory resources used by the port. - * This includes iounmap if necessary. - */ - void (*release_port)(struct uart_port *); - - /* - * Request IO and memory resources used by the port. - * This includes iomapping the port if necessary. - */ - int (*request_port)(struct uart_port *); - 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 NO_POLL_CHAR 0x00ff0000 -#define UART_CONFIG_TYPE (1 << 0) -#define UART_CONFIG_IRQ (1 << 1) - -struct uart_icount { - __u32 cts; - __u32 dsr; - __u32 rng; - __u32 dcd; - __u32 rx; - __u32 tx; - __u32 frame; - __u32 overrun; - __u32 parity; - __u32 brk; - __u32 buf_overrun; -}; - -typedef unsigned int __bitwise__ upf_t; - -struct uart_port { - spinlock_t lock; /* port lock */ - 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); - void (*set_termios)(struct uart_port *, - struct ktermios *new, - struct ktermios *old); - int (*handle_irq)(struct uart_port *); - void (*pm)(struct uart_port *, unsigned int state, - unsigned int old); - unsigned int irq; /* irq number */ - unsigned long irqflags; /* irq flags */ - unsigned int uartclk; /* base uart clock */ - 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_RM9000 (6) /* RM9000 type IO */ - - unsigned int read_status_mask; /* driver specific */ - unsigned int ignore_status_mask; /* driver specific */ - struct uart_state *state; /* pointer to parent state */ - struct uart_icount icount; /* statistics */ - - struct console *cons; /* struct console, if any */ -#if defined(CONFIG_SERIAL_CORE_CONSOLE) || defined(SUPPORT_SYSRQ) - unsigned long sysrq; /* sysrq timeout */ -#endif - - 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)) -#define UPF_EXAR_EFR ((__force upf_t) (1 << 25)) -#define UPF_BUG_THRE ((__force upf_t) (1 << 26)) -/* 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 */ - const struct uart_ops *ops; - unsigned int custom_divisor; - unsigned int line; /* port index */ - resource_size_t mapbase; /* for ioremap */ - struct device *dev; /* parent device */ - unsigned char hub6; /* this should be in the 8250 driver */ - unsigned char suspended; - unsigned char irq_wake; - unsigned char unused[2]; - void *private_data; /* generic platform data pointer */ -}; - -static inline int serial_port_in(struct uart_port *up, int offset) -{ - return up->serial_in(up, offset); -} - -static inline void serial_port_out(struct uart_port *up, int offset, int value) -{ - up->serial_out(up, offset, value); -} - -/* - * This is the state information which is persistent across opens. - */ -struct uart_state { - struct tty_port port; - - int pm_state; - struct circ_buf xmit; - - struct uart_port *uart_port; -}; - -#define UART_XMIT_SIZE PAGE_SIZE - - -/* number of characters left in xmit buffer before we ask for more */ -#define WAKEUP_CHARS 256 - -struct module; -struct tty_driver; - -struct uart_driver { - struct module *owner; - const char *driver_name; - const char *dev_name; - int major; - int minor; - int nr; - struct console *cons; - - /* - * these are private; the low level driver should not - * touch these; they should be initialised to NULL - */ - struct uart_state *state; - struct tty_driver *tty_driver; -}; - -void uart_write_wakeup(struct uart_port *port); - -/* - * Baud rate helpers. - */ -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 ktermios *termios, - struct ktermios *old, unsigned int min, - unsigned int max); -unsigned int uart_get_divisor(struct uart_port *port, unsigned int baud); - -/* Base timer interval for polling */ -static inline int uart_poll_timeout(struct uart_port *port) -{ - int timeout = port->timeout; - - return timeout > 6 ? (timeout / 2 - 2) : 1; -} - -/* - * Console helpers. - */ -struct uart_port *uart_get_console(struct uart_port *ports, int nr, - struct console *c); -void uart_parse_options(char *options, int *baud, int *parity, int *bits, - int *flow); -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); -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); - -/* - * Power Management - */ -int uart_suspend_port(struct uart_driver *reg, struct uart_port *port); -int uart_resume_port(struct uart_driver *reg, struct uart_port *port); - -#define uart_circ_empty(circ) ((circ)->head == (circ)->tail) -#define uart_circ_clear(circ) ((circ)->head = (circ)->tail = 0) - -#define uart_circ_chars_pending(circ) \ - (CIRC_CNT((circ)->head, (circ)->tail, UART_XMIT_SIZE)) - -#define uart_circ_chars_free(circ) \ - (CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE)) - -static inline int uart_tx_stopped(struct uart_port *port) -{ - struct tty_struct *tty = port->state->port.tty; - if(tty->stopped || tty->hw_stopped) - return 1; - return 0; -} - -/* - * The following are helper functions for the low level drivers. - */ - -extern void uart_handle_dcd_change(struct uart_port *uport, - unsigned int status); -extern void uart_handle_cts_change(struct uart_port *uport, - unsigned int status); - -extern void uart_insert_char(struct uart_port *port, unsigned int status, - unsigned int overrun, unsigned int ch, unsigned int flag); - -#ifdef SUPPORT_SYSRQ -static inline int -uart_handle_sysrq_char(struct uart_port *port, unsigned int ch) -{ - if (port->sysrq) { - if (ch && time_before(jiffies, port->sysrq)) { - handle_sysrq(ch); - port->sysrq = 0; - return 1; - } - port->sysrq = 0; - } - return 0; -} -#else -#define uart_handle_sysrq_char(port,ch) ({ (void)port; 0; }) -#endif - -/* - * We do the SysRQ and SAK checking like this... - */ -static inline int uart_handle_break(struct uart_port *port) -{ - struct uart_state *state = port->state; -#ifdef SUPPORT_SYSRQ - if (port->cons && port->cons->index == port->line) { - if (!port->sysrq) { - port->sysrq = jiffies + HZ*5; - return 1; - } - port->sysrq = 0; - } -#endif - if (port->flags & UPF_SAK) - do_SAK(state->port.tty); - return 0; -} - -/* - * UART_ENABLE_MS - determine if port should enable modem status irqs - */ -#define UART_ENABLE_MS(port,cflag) ((port)->flags & UPF_HARDPPS_CD || \ - (cflag) & CRTSCTS || \ - !((cflag) & CLOCAL)) - -#endif - -#endif /* LINUX_SERIAL_CORE_H */ |