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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 /include/linux/serial_8250.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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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 'include/linux/serial_8250.h')
-rw-r--r-- | include/linux/serial_8250.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h new file mode 100644 index 00000000..8f012f8a --- /dev/null +++ b/include/linux/serial_8250.h @@ -0,0 +1,95 @@ +/* + * linux/include/linux/serial_8250.h + * + * Copyright (C) 2004 Russell King + * + * 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. + */ +#ifndef _LINUX_SERIAL_8250_H +#define _LINUX_SERIAL_8250_H + +#include <linux/serial_core.h> +#include <linux/platform_device.h> + +/* + * This is the platform device platform_data structure + */ +struct plat_serial8250_port { + unsigned long iobase; /* io base address */ + void __iomem *membase; /* ioremap cookie or NULL */ + resource_size_t mapbase; /* resource base */ + unsigned int irq; /* interrupt number */ + unsigned long irqflags; /* request_irq flags */ + unsigned int uartclk; /* UART clock rate */ + void *private_data; + unsigned char regshift; /* register shift */ + unsigned char iotype; /* UPIO_* */ + unsigned char hub6; + upf_t flags; /* UPF_* flags */ + unsigned int type; /* If UPF_FIXED_TYPE */ + 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 old); +}; + +/* + * Allocate 8250 platform device IDs. Nothing is implied by + * the numbering here, except for the legacy entry being -1. + */ +enum { + PLAT8250_DEV_LEGACY = -1, + PLAT8250_DEV_PLATFORM, + PLAT8250_DEV_PLATFORM1, + PLAT8250_DEV_PLATFORM2, + PLAT8250_DEV_FOURPORT, + PLAT8250_DEV_ACCENT, + PLAT8250_DEV_BOCA, + PLAT8250_DEV_EXAR_ST16C554, + PLAT8250_DEV_HUB6, + PLAT8250_DEV_MCA, + PLAT8250_DEV_AU1X00, + PLAT8250_DEV_SM501, +}; + +/* + * This should be used by drivers which want to register + * their own 8250 ports without registering their own + * platform device. Using these will make your driver + * dependent on the 8250 driver. + */ +struct uart_port; +struct uart_8250_port; + +int serial8250_register_port(struct uart_port *); +void serial8250_unregister_port(int line); +void serial8250_suspend_port(int line); +void serial8250_resume_port(int line); + +extern int early_serial_setup(struct uart_port *port); + +extern int serial8250_find_port(struct uart_port *p); +extern int serial8250_find_port_for_earlycon(void); +extern int setup_early_serial8250_console(char *cmdline); +extern void serial8250_do_set_termios(struct uart_port *port, + struct ktermios *termios, struct ktermios *old); +extern void serial8250_do_pm(struct uart_port *port, unsigned int state, + unsigned int oldstate); +extern int fsl8250_handle_irq(struct uart_port *port); +int serial8250_handle_irq(struct uart_port *port, unsigned int iir); +unsigned char serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr); +void serial8250_tx_chars(struct uart_8250_port *up); +unsigned int serial8250_modem_status(struct uart_8250_port *up); + +extern void serial8250_set_isa_configurator(void (*v) + (int port, struct uart_port *up, + unsigned short *capabilities)); + +#endif |