| /* |
| * linux/include/linux/brcm_console.h |
| * |
| * Copyright (C) 1993 Hamish Macdonald |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file COPYING in the main directory of this archive |
| * for more details. |
| * |
| * Changed: |
| * 10-Mar-94: Arno Griffioen: Conversion for vt100 emulator port from PC LINUX |
| * |
| * |
| * Portions of this software are Copyright 2012 Broadcom Corporation |
| */ |
| |
| |
| #ifndef _LINUX_CONSOLE_H_ |
| #define _LINUX_CONSOLE_H_ 1 |
| |
| #include <linux/types.h> |
| |
| enum { |
| USB_RNDIS_OFF, |
| USB_RNDIS_ON, |
| }; |
| |
| struct brcm_netconsole_callbacks |
| { |
| /** Start function for role change */ |
| int (*start) (void); |
| /** Stop Function for role change */ |
| int (*stop) (void); |
| }; |
| |
| struct vc_data; |
| struct console_font_op; |
| struct console_font; |
| struct module; |
| struct tty_struct; |
| |
| /* |
| * this is what the terminal answers to a ESC-Z or csi0c query. |
| */ |
| #define VT100ID "\033[?1;2c" |
| #define VT102ID "\033[?6c" |
| |
| struct brcm_consw { |
| struct module *owner; |
| const char *(*con_startup)(void); |
| void (*con_init)(struct vc_data *, int); |
| void (*con_deinit)(struct vc_data *); |
| void (*con_clear)(struct vc_data *, int, int, int, int); |
| void (*con_putc)(struct vc_data *, int, int, int); |
| void (*con_putcs)(struct vc_data *, const unsigned short *, int, int, int); |
| void (*con_cursor)(struct vc_data *, int); |
| int (*con_scroll)(struct vc_data *, int, int, int, int); |
| void (*con_bmove)(struct vc_data *, int, int, int, int, int, int); |
| int (*con_switch)(struct vc_data *); |
| int (*con_blank)(struct vc_data *, int, int); |
| int (*con_font_set)(struct vc_data *, struct console_font *, unsigned); |
| int (*con_font_get)(struct vc_data *, struct console_font *); |
| int (*con_font_default)(struct vc_data *, struct console_font *, char *); |
| int (*con_font_copy)(struct vc_data *, int); |
| int (*con_resize)(struct vc_data *, unsigned int, unsigned int, |
| unsigned int); |
| int (*con_set_palette)(struct vc_data *, unsigned char *); |
| int (*con_scrolldelta)(struct vc_data *, int); |
| int (*con_set_origin)(struct vc_data *); |
| void (*con_save_screen)(struct vc_data *); |
| u8 (*con_build_attr)(struct vc_data *, u8, u8, u8, u8, u8, u8); |
| void (*con_invert_region)(struct vc_data *, u16 *, int); |
| u16 *(*con_screen_pos)(struct vc_data *, int); |
| unsigned long (*con_getxy)(struct vc_data *, unsigned long, int *, int *); |
| }; |
| |
| extern const struct brcm_consw *brcm_conswitchp; |
| |
| extern const struct brcm_consw dummy_con; /* dummy brcm_console buffer */ |
| extern const struct brcm_consw vga_con; /* VGA text brcm_console */ |
| extern const struct brcm_consw newport_con; /* SGI Newport brcm_console */ |
| extern const struct brcm_consw prom_con; /* SPARC PROM brcm_console */ |
| |
| /* int con_is_bound(const struct brcm_consw *csw); */ |
| /* int register_con_driver(const struct brcm_consw *csw, int first, int last); */ |
| /* int unregister_con_driver(const struct brcm_consw *csw); */ |
| int take_over_brcm_console(const struct brcm_consw *sw, int first, int last, int deflt); |
| void give_up_brcm_console(const struct brcm_consw *sw); |
| /* scroll */ |
| /* #define SM_UP (1) */ |
| /* #define SM_DOWN (2) */ |
| |
| /* cursor */ |
| /* #define CM_DRAW (1) */ |
| /* #define CM_ERASE (2) */ |
| /* #define CM_MOVE (3) */ |
| |
| /* |
| * The interface for a brcm_console, or any other device that wants to capture |
| * brcm_console messages (printer driver?) |
| * |
| * If a brcm_console driver is marked CON_BOOT then it will be auto-unregistered |
| * when the first real brcm_console is registered. This is for early-printk drivers. |
| */ |
| |
| #define CON_PRINTBUFFER (1) |
| #define CON_CONSDEV (2) /* Last on the command line */ |
| #define CON_ENABLED (4) |
| #define CON_BOOT (8) |
| #define CON_ANYTIME (16) /* Safe to call when cpu is offline */ |
| #define CON_BRL (32) /* Used for a braille device */ |
| |
| struct brcm_console { |
| char name[16]; |
| void (*write)(struct brcm_console *, const char *, unsigned); |
| int (*read)(struct brcm_console *, char *, unsigned); |
| struct tty_driver *(*device)(struct brcm_console *, int *); |
| void (*unblank)(void); |
| int (*setup)(struct brcm_console *, char *); |
| int (*early_setup)(void); |
| short flags; |
| short index; |
| int cflag; |
| void *data; |
| struct brcm_console *next; |
| }; |
| |
| char brcm_netconsole_register_callbacks( |
| struct brcm_netconsole_callbacks *_cb); |
| |
| extern int brcm_console_set_on_cmdline; |
| |
| extern int add_preferred_brcm_console(char *name, int idx, char *options); |
| extern int update_brcm_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options); |
| extern void register_brcm_console(struct brcm_console *); |
| extern int unregister_brcm_console(struct brcm_console *); |
| extern struct brcm_console *brcm_console_drivers; |
| extern void acquire_brcm_console_sem(void); |
| extern int try_acquire_brcm_console_sem(void); |
| extern void release_brcm_console_sem(void); |
| extern void brcm_console_conditional_schedule(void); |
| extern void brcm_console_unblank(void); |
| extern struct tty_driver *brcm_console_device(int *); |
| extern void brcm_console_stop(struct brcm_console *); |
| extern void brcm_console_start(struct brcm_console *); |
| extern int is_brcm_console_locked(void); |
| extern int braille_register_brcm_console(struct brcm_console *, int index, |
| char *brcm_console_options, char *braille_options); |
| extern int braille_unregister_brcm_console(struct brcm_console *); |
| |
| extern int brcm_console_suspend_enabled; |
| |
| /* Suspend and resume brcm_console messages over PM events */ |
| extern void suspend_brcm_console(void); |
| extern void resume_brcm_console(void); |
| |
| int mda_brcm_console_init(void); |
| void prom_con_init(void); |
| |
| void vcs_make_sysfs(struct tty_struct *tty); |
| void vcs_remove_sysfs(struct tty_struct *tty); |
| |
| /* Some debug stub to catch some of the obvious races in the VT code */ |
| #if 1 |
| #define WARN_CONSOLE_UNLOCKED() WARN_ON(!is_brcm_console_locked() && !oops_in_progress) |
| #else |
| #define WARN_CONSOLE_UNLOCKED() |
| #endif |
| |
| /* VESA Blanking Levels */ |
| #define VESA_NO_BLANKING 0 |
| #define VESA_VSYNC_SUSPEND 1 |
| #define VESA_HSYNC_SUSPEND 2 |
| #define VESA_POWERDOWN 3 |
| |
| #endif /* _LINUX_CONSOLE_H */ |