diff options
Diffstat (limited to 'drivers/media/rc/rc-core-priv.h')
| -rw-r--r-- | drivers/media/rc/rc-core-priv.h | 72 |
1 files changed, 46 insertions, 26 deletions
diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h index ae4dd0c27731..458e9eb2d6a9 100644 --- a/drivers/media/rc/rc-core-priv.h +++ b/drivers/media/rc/rc-core-priv.h @@ -1,27 +1,34 @@ /* + * SPDX-License-Identifier: GPL-2.0 * Remote Controller core raw events header * * Copyright (C) 2010 by Mauro Carvalho Chehab - * - * 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 version 2 of the License. - * - * 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. */ #ifndef _RC_CORE_PRIV #define _RC_CORE_PRIV +#define RC_DEV_MAX 256 /* Define the max number of pulse/space transitions to buffer */ #define MAX_IR_EVENT_SIZE 512 #include <linux/slab.h> #include <media/rc-core.h> +/** + * rc_open - Opens a RC device + * + * @rdev: pointer to struct rc_dev. + */ +int rc_open(struct rc_dev *rdev); + +/** + * rc_close - Closes a RC device + * + * @rdev: pointer to struct rc_dev. + */ +void rc_close(struct rc_dev *rdev); + struct ir_raw_handler { struct list_head list; @@ -29,8 +36,9 @@ struct ir_raw_handler { int (*decode)(struct rc_dev *dev, struct ir_raw_event event); int (*encode)(enum rc_proto protocol, u32 scancode, struct ir_raw_event *events, unsigned int max); + u32 carrier; - /* These two should only be used by the lirc decoder */ + /* These two should only be used by the mce kbd decoder */ int (*raw_register)(struct rc_dev *dev); int (*raw_unregister)(struct rc_dev *dev); }; @@ -104,17 +112,6 @@ struct ir_raw_event_ctrl { unsigned count; unsigned wanted_bits; } mce_kbd; - struct lirc_codec { - struct rc_dev *dev; - struct lirc_dev *ldev; - int carrier_low; - - ktime_t gap_start; - u64 gap_duration; - bool gap; - bool send_timeout_reports; - - } lirc; struct xmp_dec { int state; unsigned count; @@ -156,6 +153,7 @@ static inline bool is_timing_event(struct ir_raw_event ev) #define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space") /* functions for IR encoders */ +bool rc_validate_scancode(enum rc_proto proto, u32 scancode); static inline void init_ir_raw_event_duration(struct ir_raw_event *ev, unsigned int pulse, @@ -168,17 +166,17 @@ static inline void init_ir_raw_event_duration(struct ir_raw_event *ev, /** * struct ir_raw_timings_manchester - Manchester coding timings - * @leader: duration of leader pulse (if any) 0 if continuing - * existing signal (see @pulse_space_start) - * @pulse_space_start: 1 for starting with pulse (0 for starting with space) + * @leader_pulse: duration of leader pulse (if any) 0 if continuing + * existing signal + * @leader_space: duration of leader space (if any) * @clock: duration of each pulse/space in ns * @invert: if set clock logic is inverted * (0 = space + pulse, 1 = pulse + space) * @trailer_space: duration of trailer space in ns */ struct ir_raw_timings_manchester { - unsigned int leader; - unsigned int pulse_space_start:1; + unsigned int leader_pulse; + unsigned int leader_space; unsigned int clock; unsigned int invert:1; unsigned int trailer_space; @@ -270,9 +268,31 @@ void ir_raw_event_free(struct rc_dev *dev); void ir_raw_event_unregister(struct rc_dev *dev); int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler); void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler); +void ir_raw_load_modules(u64 *protocols); void ir_raw_init(void); /* + * lirc interface + */ +#ifdef CONFIG_LIRC +int lirc_dev_init(void); +void lirc_dev_exit(void); +void ir_lirc_raw_event(struct rc_dev *dev, struct ir_raw_event ev); +void ir_lirc_scancode_event(struct rc_dev *dev, struct lirc_scancode *lsc); +int ir_lirc_register(struct rc_dev *dev); +void ir_lirc_unregister(struct rc_dev *dev); +#else +static inline int lirc_dev_init(void) { return 0; } +static inline void lirc_dev_exit(void) {} +static inline void ir_lirc_raw_event(struct rc_dev *dev, + struct ir_raw_event ev) { } +static inline void ir_lirc_scancode_event(struct rc_dev *dev, + struct lirc_scancode *lsc) { } +static inline int ir_lirc_register(struct rc_dev *dev) { return 0; } +static inline void ir_lirc_unregister(struct rc_dev *dev) { } +#endif + +/* * Decoder initialization code * * Those load logic are called during ir-core init, and automatically |