diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/amba/serial.h | 28 | ||||
-rw-r--r-- | include/linux/serdev.h | 29 | ||||
-rw-r--r-- | include/linux/tty.h | 19 | ||||
-rw-r--r-- | include/linux/tty_driver.h | 9 | ||||
-rw-r--r-- | include/linux/tty_port.h | 8 | ||||
-rw-r--r-- | include/linux/virtio_console.h | 38 |
6 files changed, 50 insertions, 81 deletions
diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h index a1307b58cc2c..27003ec52114 100644 --- a/include/linux/amba/serial.h +++ b/include/linux/amba/serial.h @@ -75,10 +75,10 @@ #define UART011_DR_PE (1 << 9) #define UART011_DR_FE (1 << 8) -#define UART01x_RSR_OE 0x08 -#define UART01x_RSR_BE 0x04 -#define UART01x_RSR_PE 0x02 -#define UART01x_RSR_FE 0x01 +#define UART01x_RSR_OE 0x08 +#define UART01x_RSR_BE 0x04 +#define UART01x_RSR_PE 0x02 +#define UART01x_RSR_FE 0x01 #define UART011_FR_RI 0x100 #define UART011_FR_TXFE 0x080 @@ -86,9 +86,9 @@ #define UART01x_FR_TXFF 0x020 #define UART01x_FR_RXFE 0x010 #define UART01x_FR_BUSY 0x008 -#define UART01x_FR_DCD 0x004 -#define UART01x_FR_DSR 0x002 -#define UART01x_FR_CTS 0x001 +#define UART01x_FR_DCD 0x004 +#define UART01x_FR_DSR 0x002 +#define UART01x_FR_CTS 0x001 #define UART01x_FR_TMSK (UART01x_FR_TXFF + UART01x_FR_BUSY) /* @@ -110,14 +110,14 @@ #define UART011_CR_TXE 0x0100 /* transmit enable */ #define UART011_CR_LBE 0x0080 /* loopback enable */ #define UART010_CR_RTIE 0x0040 -#define UART010_CR_TIE 0x0020 -#define UART010_CR_RIE 0x0010 +#define UART010_CR_TIE 0x0020 +#define UART010_CR_RIE 0x0010 #define UART010_CR_MSIE 0x0008 #define ST_UART011_CR_OVSFACT 0x0008 /* Oversampling factor */ #define UART01x_CR_IIRLP 0x0004 /* SIR low power mode */ #define UART01x_CR_SIREN 0x0002 /* SIR enable */ #define UART01x_CR_UARTEN 0x0001 /* UART enable */ - + #define UART011_LCRH_SPS 0x80 #define UART01x_LCRH_WLEN_8 0x60 #define UART01x_LCRH_WLEN_7 0x40 @@ -203,8 +203,8 @@ #define UART011_TXDMAE (1 << 1) /* enable transmit dma */ #define UART011_RXDMAE (1 << 0) /* enable receive dma */ -#define UART01x_RSR_ANY (UART01x_RSR_OE|UART01x_RSR_BE|UART01x_RSR_PE|UART01x_RSR_FE) -#define UART01x_FR_MODEM_ANY (UART01x_FR_DCD|UART01x_FR_DSR|UART01x_FR_CTS) +#define UART01x_RSR_ANY (UART01x_RSR_OE | UART01x_RSR_BE | UART01x_RSR_PE | UART01x_RSR_FE) +#define UART01x_FR_MODEM_ANY (UART01x_FR_DCD | UART01x_FR_DSR | UART01x_FR_CTS) #ifndef __ASSEMBLY__ struct amba_device; /* in uncompress this is included but amba/bus.h is not */ @@ -220,8 +220,8 @@ struct amba_pl011_data { bool dma_rx_poll_enable; unsigned int dma_rx_poll_rate; unsigned int dma_rx_poll_timeout; - void (*init) (void); - void (*exit) (void); + void (*init)(void); + void (*exit)(void); }; #endif diff --git a/include/linux/serdev.h b/include/linux/serdev.h index f5f97fa25e8a..3fab88ba265e 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -27,7 +27,7 @@ struct serdev_device; * not sleep. */ struct serdev_device_ops { - int (*receive_buf)(struct serdev_device *, const unsigned char *, size_t); + ssize_t (*receive_buf)(struct serdev_device *, const u8 *, size_t); void (*write_wakeup)(struct serdev_device *); }; @@ -82,7 +82,7 @@ enum serdev_parity { * serdev controller structures */ struct serdev_controller_ops { - int (*write_buf)(struct serdev_controller *, const unsigned char *, size_t); + ssize_t (*write_buf)(struct serdev_controller *, const u8 *, size_t); void (*write_flush)(struct serdev_controller *); int (*write_room)(struct serdev_controller *); int (*open)(struct serdev_controller *); @@ -99,12 +99,14 @@ struct serdev_controller_ops { /** * struct serdev_controller - interface to the serdev controller * @dev: Driver model representation of the device. + * @host: Serial port hardware controller device * @nr: number identifier for this controller/bus. * @serdev: Pointer to slave device for this controller. * @ops: Controller operations. */ struct serdev_controller { struct device dev; + struct device *host; unsigned int nr; struct serdev_device *serdev; const struct serdev_controller_ops *ops; @@ -167,7 +169,9 @@ struct serdev_device *serdev_device_alloc(struct serdev_controller *); int serdev_device_add(struct serdev_device *); void serdev_device_remove(struct serdev_device *); -struct serdev_controller *serdev_controller_alloc(struct device *, size_t); +struct serdev_controller *serdev_controller_alloc(struct device *host, + struct device *parent, + size_t size); int serdev_controller_add(struct serdev_controller *); void serdev_controller_remove(struct serdev_controller *); @@ -181,9 +185,9 @@ static inline void serdev_controller_write_wakeup(struct serdev_controller *ctrl serdev->ops->write_wakeup(serdev); } -static inline int serdev_controller_receive_buf(struct serdev_controller *ctrl, - const unsigned char *data, - size_t count) +static inline ssize_t serdev_controller_receive_buf(struct serdev_controller *ctrl, + const u8 *data, + size_t count) { struct serdev_device *serdev = ctrl->serdev; @@ -200,13 +204,13 @@ void serdev_device_close(struct serdev_device *); int devm_serdev_device_open(struct device *, struct serdev_device *); unsigned int serdev_device_set_baudrate(struct serdev_device *, unsigned int); void serdev_device_set_flow_control(struct serdev_device *, bool); -int serdev_device_write_buf(struct serdev_device *, const unsigned char *, size_t); +int serdev_device_write_buf(struct serdev_device *, const u8 *, size_t); void serdev_device_wait_until_sent(struct serdev_device *, long); int serdev_device_get_tiocm(struct serdev_device *); int serdev_device_set_tiocm(struct serdev_device *, int, int); int serdev_device_break_ctl(struct serdev_device *serdev, int break_state); void serdev_device_write_wakeup(struct serdev_device *); -int serdev_device_write(struct serdev_device *, const unsigned char *, size_t, long); +ssize_t serdev_device_write(struct serdev_device *, const u8 *, size_t, long); void serdev_device_write_flush(struct serdev_device *); int serdev_device_write_room(struct serdev_device *); @@ -244,7 +248,7 @@ static inline unsigned int serdev_device_set_baudrate(struct serdev_device *sdev } static inline void serdev_device_set_flow_control(struct serdev_device *sdev, bool enable) {} static inline int serdev_device_write_buf(struct serdev_device *serdev, - const unsigned char *buf, + const u8 *buf, size_t count) { return -ENODEV; @@ -262,8 +266,9 @@ static inline int serdev_device_break_ctl(struct serdev_device *serdev, int brea { return -EOPNOTSUPP; } -static inline int serdev_device_write(struct serdev_device *sdev, const unsigned char *buf, - size_t count, unsigned long timeout) +static inline ssize_t serdev_device_write(struct serdev_device *sdev, + const u8 *buf, size_t count, + unsigned long timeout) { return -ENODEV; } @@ -311,11 +316,13 @@ struct tty_driver; #ifdef CONFIG_SERIAL_DEV_CTRL_TTYPORT struct device *serdev_tty_port_register(struct tty_port *port, + struct device *host, struct device *parent, struct tty_driver *drv, int idx); int serdev_tty_port_unregister(struct tty_port *port); #else static inline struct device *serdev_tty_port_register(struct tty_port *port, + struct device *host, struct device *parent, struct tty_driver *drv, int idx) { diff --git a/include/linux/tty.h b/include/linux/tty.h index 4b6340ac2af2..cc08f7e1c122 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -242,7 +242,7 @@ struct tty_struct { void *driver_data; spinlock_t files_lock; int write_cnt; - unsigned char *write_buf; + u8 *write_buf; struct list_head tty_files; @@ -393,8 +393,10 @@ extern const struct class tty_class; * tty_kref_get - get a tty reference * @tty: tty device * - * Returns: a new reference to a tty object. The caller must hold sufficient - * locks/counts to ensure that their existing reference cannot go away + * Returns: a new reference to a tty object + * + * Locking: The caller must hold sufficient locks/counts to ensure that their + * existing reference cannot go away. */ static inline struct tty_struct *tty_kref_get(struct tty_struct *tty) { @@ -408,8 +410,8 @@ void tty_wait_until_sent(struct tty_struct *tty, long timeout); void stop_tty(struct tty_struct *tty); void start_tty(struct tty_struct *tty); void tty_write_message(struct tty_struct *tty, char *msg); -int tty_send_xchar(struct tty_struct *tty, char ch); -int tty_put_char(struct tty_struct *tty, unsigned char c); +int tty_send_xchar(struct tty_struct *tty, u8 ch); +int tty_put_char(struct tty_struct *tty, u8 c); unsigned int tty_chars_in_buffer(struct tty_struct *tty); unsigned int tty_write_room(struct tty_struct *tty); void tty_driver_flush_buffer(struct tty_struct *tty); @@ -436,12 +438,11 @@ void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, * tty_get_baud_rate - get tty bit rates * @tty: tty to query * - * Returns: the baud rate as an integer for this terminal. The termios lock - * must be held by the caller and the terminal bit flags may be updated. + * Returns: the baud rate as an integer for this terminal * - * Locking: none + * Locking: The termios lock must be held by the caller. */ -static inline speed_t tty_get_baud_rate(struct tty_struct *tty) +static inline speed_t tty_get_baud_rate(const struct tty_struct *tty) { return tty_termios_baud_rate(&tty->termios); } diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 18beff0cec1a..7372124fbf90 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -72,8 +72,7 @@ struct serial_struct; * is closed for the last time freeing up the resources. This is * actually the second part of shutdown for routines that might sleep. * - * @write: ``ssize_t ()(struct tty_struct *tty, const unsigned char *buf, - * size_t count)`` + * @write: ``ssize_t ()(struct tty_struct *tty, const u8 *buf, size_t count)`` * * This routine is called by the kernel to write a series (@count) of * characters (@buf) to the @tty device. The characters may come from @@ -85,7 +84,7 @@ struct serial_struct; * * Optional: Required for writable devices. May not sleep. * - * @put_char: ``int ()(struct tty_struct *tty, unsigned char ch)`` + * @put_char: ``int ()(struct tty_struct *tty, u8 ch)`` * * This routine is called by the kernel to write a single character @ch to * the @tty device. If the kernel uses this routine, it must call the @@ -243,7 +242,7 @@ struct serial_struct; * Optional: If not provided, the device is assumed to have no FIFO. * Usually correct to invoke via tty_wait_until_sent(). May sleep. * - * @send_xchar: ``void ()(struct tty_struct *tty, char ch)`` + * @send_xchar: ``void ()(struct tty_struct *tty, u8 ch)`` * * This routine is used to send a high-priority XON/XOFF character (@ch) * to the @tty device. @@ -375,7 +374,7 @@ struct tty_operations { void (*flush_buffer)(struct tty_struct *tty); void (*set_ldisc)(struct tty_struct *tty); void (*wait_until_sent)(struct tty_struct *tty, int timeout); - void (*send_xchar)(struct tty_struct *tty, char ch); + void (*send_xchar)(struct tty_struct *tty, u8 ch); int (*tiocmget)(struct tty_struct *tty); int (*tiocmset)(struct tty_struct *tty, unsigned int set, unsigned int clear); diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h index 6b367eb17979..1b861f2100b6 100644 --- a/include/linux/tty_port.h +++ b/include/linux/tty_port.h @@ -114,8 +114,8 @@ struct tty_port { unsigned char console:1; struct mutex mutex; struct mutex buf_mutex; - unsigned char *xmit_buf; - DECLARE_KFIFO_PTR(xmit_fifo, unsigned char); + u8 *xmit_buf; + DECLARE_KFIFO_PTR(xmit_fifo, u8); unsigned int close_delay; unsigned int closing_wait; int drain_delay; @@ -149,10 +149,10 @@ struct device *tty_port_register_device_attr(struct tty_port *port, const struct attribute_group **attr_grp); struct device *tty_port_register_device_serdev(struct tty_port *port, struct tty_driver *driver, unsigned index, - struct device *device); + struct device *host, struct device *parent); struct device *tty_port_register_device_attr_serdev(struct tty_port *port, struct tty_driver *driver, unsigned index, - struct device *device, void *drvdata, + struct device *host, struct device *parent, void *drvdata, const struct attribute_group **attr_grp); void tty_port_unregister_device(struct tty_port *port, struct tty_driver *driver, unsigned index); diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h deleted file mode 100644 index d2e2785af602..000000000000 --- a/include/linux/virtio_console.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so - * anyone can use the definitions to implement compatible drivers/servers: - * - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of IBM nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * Copyright (C) Red Hat, Inc., 2009, 2010, 2011 - * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011 - */ -#ifndef _LINUX_VIRTIO_CONSOLE_H -#define _LINUX_VIRTIO_CONSOLE_H - -#include <uapi/linux/virtio_console.h> - -int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int)); -#endif /* _LINUX_VIRTIO_CONSOLE_H */ |