diff options
Diffstat (limited to 'ANDROID_3.4.5/include/media/rc-core.h')
| -rw-r--r-- | ANDROID_3.4.5/include/media/rc-core.h | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/ANDROID_3.4.5/include/media/rc-core.h b/ANDROID_3.4.5/include/media/rc-core.h deleted file mode 100644 index b0c494a6..00000000 --- a/ANDROID_3.4.5/include/media/rc-core.h +++ /dev/null @@ -1,229 +0,0 @@ -/* - * Remote Controller core header - * - * Copyright (C) 2009-2010 by Mauro Carvalho Chehab <mchehab@redhat.com> - * - * 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 -#define _RC_CORE - -#include <linux/spinlock.h> -#include <linux/kfifo.h> -#include <linux/time.h> -#include <linux/timer.h> -#include <media/rc-map.h> - -extern int rc_core_debug; -#define IR_dprintk(level, fmt, ...) \ -do { \ - if (rc_core_debug >= level) \ - pr_debug("%s: " fmt, __func__, ##__VA_ARGS__); \ -} while (0) - -enum rc_driver_type { - RC_DRIVER_SCANCODE = 0, /* Driver or hardware generates a scancode */ - RC_DRIVER_IR_RAW, /* Needs a Infra-Red pulse/space decoder */ -}; - -/** - * struct rc_dev - represents a remote control device - * @dev: driver model's view of this device - * @input_name: name of the input child device - * @input_phys: physical path to the input child device - * @input_id: id of the input child device (struct input_id) - * @driver_name: name of the hardware driver which registered this device - * @map_name: name of the default keymap - * @rc_map: current scan/key table - * @lock: used to ensure we've filled in all protocol details before - * anyone can call show_protocols or store_protocols - * @devno: unique remote control device number - * @raw: additional data for raw pulse/space devices - * @input_dev: the input child device used to communicate events to userspace - * @driver_type: specifies if protocol decoding is done in hardware or software - * @idle: used to keep track of RX state - * @allowed_protos: bitmask with the supported RC_TYPE_* protocols - * @scanmask: some hardware decoders are not capable of providing the full - * scancode to the application. As this is a hardware limit, we can't do - * anything with it. Yet, as the same keycode table can be used with other - * devices, a mask is provided to allow its usage. Drivers should generally - * leave this field in blank - * @priv: driver-specific data - * @keylock: protects the remaining members of the struct - * @keypressed: whether a key is currently pressed - * @keyup_jiffies: time (in jiffies) when the current keypress should be released - * @timer_keyup: timer for releasing a keypress - * @last_keycode: keycode of last keypress - * @last_scancode: scancode of last keypress - * @last_toggle: toggle value of last command - * @timeout: optional time after which device stops sending data - * @min_timeout: minimum timeout supported by device - * @max_timeout: maximum timeout supported by device - * @rx_resolution : resolution (in ns) of input sampler - * @tx_resolution: resolution (in ns) of output sampler - * @change_protocol: allow changing the protocol used on hardware decoders - * @open: callback to allow drivers to enable polling/irq when IR input device - * is opened. - * @close: callback to allow drivers to disable polling/irq when IR input device - * is opened. - * @s_tx_mask: set transmitter mask (for devices with multiple tx outputs) - * @s_tx_carrier: set transmit carrier frequency - * @s_tx_duty_cycle: set transmit duty cycle (0% - 100%) - * @s_rx_carrier: inform driver about carrier it is expected to handle - * @tx_ir: transmit IR - * @s_idle: enable/disable hardware idle mode, upon which, - * device doesn't interrupt host until it sees IR pulses - * @s_learning_mode: enable wide band receiver used for learning - * @s_carrier_report: enable carrier reports - */ -struct rc_dev { - struct device dev; - const char *input_name; - const char *input_phys; - struct input_id input_id; - char *driver_name; - const char *map_name; - struct rc_map rc_map; - struct mutex lock; - unsigned long devno; - struct ir_raw_event_ctrl *raw; - struct input_dev *input_dev; - enum rc_driver_type driver_type; - bool idle; - u64 allowed_protos; - u32 scanmask; - void *priv; - spinlock_t keylock; - bool keypressed; - unsigned long keyup_jiffies; - struct timer_list timer_keyup; - u32 last_keycode; - u32 last_scancode; - u8 last_toggle; - u32 timeout; - u32 min_timeout; - u32 max_timeout; - u32 rx_resolution; - u32 tx_resolution; - int (*change_protocol)(struct rc_dev *dev, u64 rc_type); - int (*open)(struct rc_dev *dev); - void (*close)(struct rc_dev *dev); - int (*s_tx_mask)(struct rc_dev *dev, u32 mask); - int (*s_tx_carrier)(struct rc_dev *dev, u32 carrier); - int (*s_tx_duty_cycle)(struct rc_dev *dev, u32 duty_cycle); - int (*s_rx_carrier_range)(struct rc_dev *dev, u32 min, u32 max); - int (*tx_ir)(struct rc_dev *dev, unsigned *txbuf, unsigned n); - void (*s_idle)(struct rc_dev *dev, bool enable); - int (*s_learning_mode)(struct rc_dev *dev, int enable); - int (*s_carrier_report) (struct rc_dev *dev, int enable); -}; - -#define to_rc_dev(d) container_of(d, struct rc_dev, dev) - -/* - * From rc-main.c - * Those functions can be used on any type of Remote Controller. They - * basically creates an input_dev and properly reports the device as a - * Remote Controller, at sys/class/rc. - */ - -struct rc_dev *rc_allocate_device(void); -void rc_free_device(struct rc_dev *dev); -int rc_register_device(struct rc_dev *dev); -void rc_unregister_device(struct rc_dev *dev); - -void rc_repeat(struct rc_dev *dev); -void rc_keydown(struct rc_dev *dev, int scancode, u8 toggle); -void rc_keydown_notimeout(struct rc_dev *dev, int scancode, u8 toggle); -void rc_keyup(struct rc_dev *dev); -u32 rc_g_keycode_from_table(struct rc_dev *dev, u32 scancode); - -/* - * From rc-raw.c - * The Raw interface is specific to InfraRed. It may be a good idea to - * split it later into a separate header. - */ - -enum raw_event_type { - IR_SPACE = (1 << 0), - IR_PULSE = (1 << 1), - IR_START_EVENT = (1 << 2), - IR_STOP_EVENT = (1 << 3), -}; - -struct ir_raw_event { - union { - u32 duration; - - struct { - u32 carrier; - u8 duty_cycle; - }; - }; - - unsigned pulse:1; - unsigned reset:1; - unsigned timeout:1; - unsigned carrier_report:1; -}; - -#define DEFINE_IR_RAW_EVENT(event) \ - struct ir_raw_event event = { \ - { .duration = 0 } , \ - .pulse = 0, \ - .reset = 0, \ - .timeout = 0, \ - .carrier_report = 0 } - -static inline void init_ir_raw_event(struct ir_raw_event *ev) -{ - memset(ev, 0, sizeof(*ev)); -} - -#define IR_MAX_DURATION 0xFFFFFFFF /* a bit more than 4 seconds */ -#define US_TO_NS(usec) ((usec) * 1000) -#define MS_TO_US(msec) ((msec) * 1000) -#define MS_TO_NS(msec) ((msec) * 1000 * 1000) - -void ir_raw_event_handle(struct rc_dev *dev); -int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev); -int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type); -int ir_raw_event_store_with_filter(struct rc_dev *dev, - struct ir_raw_event *ev); -void ir_raw_event_set_idle(struct rc_dev *dev, bool idle); - -static inline void ir_raw_event_reset(struct rc_dev *dev) -{ - DEFINE_IR_RAW_EVENT(ev); - ev.reset = true; - - ir_raw_event_store(dev, &ev); - ir_raw_event_handle(dev); -} - -/* extract mask bits out of data and pack them into the result */ -static inline u32 ir_extract_bits(u32 data, u32 mask) -{ - u32 vbit = 1, value = 0; - - do { - if (mask & 1) { - if (data & 1) - value |= vbit; - vbit <<= 1; - } - data >>= 1; - } while (mask >>= 1); - - return value; -} - -#endif /* _RC_CORE */ |