Mauro Carvalho Chehab | 446e4a6 | 2009-12-11 08:34:07 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Remote Controller core header |
| 3 | * |
Mauro Carvalho Chehab | 37e59f8 | 2014-02-07 08:03:07 -0200 | [diff] [blame] | 4 | * Copyright (C) 2009-2010 by Mauro Carvalho Chehab |
Mauro Carvalho Chehab | 995187b | 2010-03-24 20:47:53 -0300 | [diff] [blame] | 5 | * |
Mauro Carvalho Chehab | 446e4a6 | 2009-12-11 08:34:07 -0300 | [diff] [blame] | 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | |
Mauro Carvalho Chehab | ca86674 | 2010-11-17 13:53:11 -0300 | [diff] [blame] | 16 | #ifndef _RC_CORE |
| 17 | #define _RC_CORE |
Mauro Carvalho Chehab | 446e4a6 | 2009-12-11 08:34:07 -0300 | [diff] [blame] | 18 | |
Mauro Carvalho Chehab | 446e4a6 | 2009-12-11 08:34:07 -0300 | [diff] [blame] | 19 | #include <linux/spinlock.h> |
Mauro Carvalho Chehab | a3572c3 | 2010-03-20 20:59:44 -0300 | [diff] [blame] | 20 | #include <linux/kfifo.h> |
| 21 | #include <linux/time.h> |
Mauro Carvalho Chehab | 9f15478 | 2010-03-21 13:00:55 -0300 | [diff] [blame] | 22 | #include <linux/timer.h> |
Mauro Carvalho Chehab | 02858ee | 2010-04-02 20:01:00 -0300 | [diff] [blame] | 23 | #include <media/rc-map.h> |
Mauro Carvalho Chehab | 446e4a6 | 2009-12-11 08:34:07 -0300 | [diff] [blame] | 24 | |
Mauro Carvalho Chehab | 6bda964 | 2010-11-17 13:28:38 -0300 | [diff] [blame] | 25 | extern int rc_core_debug; |
Joe Perches | 86b0dbe | 2011-08-21 19:56:45 -0300 | [diff] [blame] | 26 | #define IR_dprintk(level, fmt, ...) \ |
| 27 | do { \ |
| 28 | if (rc_core_debug >= level) \ |
Mauro Carvalho Chehab | 7cec72c | 2014-07-25 23:25:36 -0300 | [diff] [blame] | 29 | printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \ |
Joe Perches | 86b0dbe | 2011-08-21 19:56:45 -0300 | [diff] [blame] | 30 | } while (0) |
Mauro Carvalho Chehab | 446e4a6 | 2009-12-11 08:34:07 -0300 | [diff] [blame] | 31 | |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 32 | /** |
| 33 | * enum rc_driver_type - type of the RC output |
| 34 | * |
Andi Shyti | d34aee1 | 2016-12-16 04:12:15 -0200 | [diff] [blame] | 35 | * @RC_DRIVER_SCANCODE: Driver or hardware generates a scancode |
| 36 | * @RC_DRIVER_IR_RAW: Driver or hardware generates pulse/space sequences. |
| 37 | * It needs a Infra-Red pulse/space decoder |
| 38 | * @RC_DRIVER_IR_RAW_TX: Device transmitter only, |
| 39 | * driver requires pulse/space data sequence. |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 40 | */ |
Mauro Carvalho Chehab | 626cf69 | 2010-04-06 23:21:46 -0300 | [diff] [blame] | 41 | enum rc_driver_type { |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 42 | RC_DRIVER_SCANCODE = 0, |
| 43 | RC_DRIVER_IR_RAW, |
Andi Shyti | d34aee1 | 2016-12-16 04:12:15 -0200 | [diff] [blame] | 44 | RC_DRIVER_IR_RAW_TX, |
Mauro Carvalho Chehab | 626cf69 | 2010-04-06 23:21:46 -0300 | [diff] [blame] | 45 | }; |
| 46 | |
Mauro Carvalho Chehab | 9dfe4e8 | 2010-04-04 14:06:55 -0300 | [diff] [blame] | 47 | /** |
James Hogan | 00942d1 | 2014-01-17 10:58:49 -0300 | [diff] [blame] | 48 | * struct rc_scancode_filter - Filter scan codes. |
| 49 | * @data: Scancode data to match. |
| 50 | * @mask: Mask of bits of scancode to compare. |
| 51 | */ |
| 52 | struct rc_scancode_filter { |
| 53 | u32 data; |
| 54 | u32 mask; |
| 55 | }; |
| 56 | |
| 57 | /** |
| 58 | * enum rc_filter_type - Filter type constants. |
| 59 | * @RC_FILTER_NORMAL: Filter for normal operation. |
| 60 | * @RC_FILTER_WAKEUP: Filter for waking from suspend. |
| 61 | * @RC_FILTER_MAX: Number of filter types. |
| 62 | */ |
| 63 | enum rc_filter_type { |
| 64 | RC_FILTER_NORMAL = 0, |
| 65 | RC_FILTER_WAKEUP, |
| 66 | |
| 67 | RC_FILTER_MAX |
| 68 | }; |
| 69 | |
| 70 | /** |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 71 | * struct rc_dev - represents a remote control device |
| 72 | * @dev: driver model's view of this device |
Heiner Kallweit | ddbf7d5 | 2016-09-30 17:42:07 -0300 | [diff] [blame] | 73 | * @managed_alloc: devm_rc_allocate_device was used to create rc_dev |
David Härdeman | 99b0f3c | 2014-04-04 19:06:06 -0300 | [diff] [blame] | 74 | * @sysfs_groups: sysfs attribute groups |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 75 | * @input_name: name of the input child device |
| 76 | * @input_phys: physical path to the input child device |
| 77 | * @input_id: id of the input child device (struct input_id) |
| 78 | * @driver_name: name of the hardware driver which registered this device |
| 79 | * @map_name: name of the default keymap |
Mauro Carvalho Chehab | b088ba6 | 2010-11-17 14:28:27 -0300 | [diff] [blame] | 80 | * @rc_map: current scan/key table |
Jarod Wilson | 08aeb7c | 2011-05-11 15:14:31 -0300 | [diff] [blame] | 81 | * @lock: used to ensure we've filled in all protocol details before |
| 82 | * anyone can call show_protocols or store_protocols |
David Härdeman | fcb1309 | 2015-05-19 19:03:17 -0300 | [diff] [blame] | 83 | * @minor: unique minor remote control device number |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 84 | * @raw: additional data for raw pulse/space devices |
| 85 | * @input_dev: the input child device used to communicate events to userspace |
Jarod Wilson | 08aeb7c | 2011-05-11 15:14:31 -0300 | [diff] [blame] | 86 | * @driver_type: specifies if protocol decoding is done in hardware or software |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 87 | * @idle: used to keep track of RX state |
James Hogan | f423ccc | 2015-03-31 14:48:10 -0300 | [diff] [blame] | 88 | * @encode_wakeup: wakeup filtering uses IR encode API, therefore the allowed |
| 89 | * wakeup protocols is the set of all raw encoders |
David Härdeman | c5540fb | 2014-04-03 20:32:21 -0300 | [diff] [blame] | 90 | * @allowed_protocols: bitmask with the supported RC_BIT_* protocols |
| 91 | * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols |
| 92 | * @allowed_wakeup_protocols: bitmask with the supported RC_BIT_* wakeup protocols |
Sean Young | 0751d33 | 2016-12-05 17:08:35 -0200 | [diff] [blame] | 93 | * @wakeup_protocol: the enabled RC_TYPE_* wakeup protocol or |
| 94 | * RC_TYPE_UNKNOWN if disabled. |
David Härdeman | c5540fb | 2014-04-03 20:32:21 -0300 | [diff] [blame] | 95 | * @scancode_filter: scancode filter |
| 96 | * @scancode_wakeup_filter: scancode wakeup filters |
David Härdeman | 9d2f1d3 | 2014-04-03 20:32:26 -0300 | [diff] [blame] | 97 | * @scancode_mask: some hardware decoders are not capable of providing the full |
Mauro Carvalho Chehab | 9dfe4e8 | 2010-04-04 14:06:55 -0300 | [diff] [blame] | 98 | * scancode to the application. As this is a hardware limit, we can't do |
| 99 | * anything with it. Yet, as the same keycode table can be used with other |
| 100 | * devices, a mask is provided to allow its usage. Drivers should generally |
| 101 | * leave this field in blank |
David Härdeman | 9d2f1d3 | 2014-04-03 20:32:26 -0300 | [diff] [blame] | 102 | * @users: number of current users of the device |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 103 | * @priv: driver-specific data |
| 104 | * @keylock: protects the remaining members of the struct |
| 105 | * @keypressed: whether a key is currently pressed |
| 106 | * @keyup_jiffies: time (in jiffies) when the current keypress should be released |
| 107 | * @timer_keyup: timer for releasing a keypress |
| 108 | * @last_keycode: keycode of last keypress |
David Härdeman | 120703f | 2014-04-03 20:31:30 -0300 | [diff] [blame] | 109 | * @last_protocol: protocol of last keypress |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 110 | * @last_scancode: scancode of last keypress |
| 111 | * @last_toggle: toggle value of last command |
Maxim Levitsky | 4a702eb | 2010-07-31 11:59:22 -0300 | [diff] [blame] | 112 | * @timeout: optional time after which device stops sending data |
| 113 | * @min_timeout: minimum timeout supported by device |
| 114 | * @max_timeout: maximum timeout supported by device |
Maxim Levitsky | e589333 | 2010-07-31 11:59:23 -0300 | [diff] [blame] | 115 | * @rx_resolution : resolution (in ns) of input sampler |
| 116 | * @tx_resolution: resolution (in ns) of output sampler |
Mauro Carvalho Chehab | 9dfe4e8 | 2010-04-04 14:06:55 -0300 | [diff] [blame] | 117 | * @change_protocol: allow changing the protocol used on hardware decoders |
| 118 | * @open: callback to allow drivers to enable polling/irq when IR input device |
| 119 | * is opened. |
| 120 | * @close: callback to allow drivers to disable polling/irq when IR input device |
| 121 | * is opened. |
Jarod Wilson | 9b7c54d | 2010-06-16 17:55:25 -0300 | [diff] [blame] | 122 | * @s_tx_mask: set transmitter mask (for devices with multiple tx outputs) |
| 123 | * @s_tx_carrier: set transmit carrier frequency |
Maxim Levitsky | e589333 | 2010-07-31 11:59:23 -0300 | [diff] [blame] | 124 | * @s_tx_duty_cycle: set transmit duty cycle (0% - 100%) |
Mauro Carvalho Chehab | fa81084 | 2015-08-22 05:25:45 -0300 | [diff] [blame] | 125 | * @s_rx_carrier_range: inform driver about carrier it is expected to handle |
Jarod Wilson | 9b7c54d | 2010-06-16 17:55:25 -0300 | [diff] [blame] | 126 | * @tx_ir: transmit IR |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 127 | * @s_idle: enable/disable hardware idle mode, upon which, |
| 128 | * device doesn't interrupt host until it sees IR pulses |
Maxim Levitsky | e589333 | 2010-07-31 11:59:23 -0300 | [diff] [blame] | 129 | * @s_learning_mode: enable wide band receiver used for learning |
Maxim Levitsky | 4651918 | 2010-10-16 19:56:28 -0300 | [diff] [blame] | 130 | * @s_carrier_report: enable carrier reports |
David Härdeman | 120703f | 2014-04-03 20:31:30 -0300 | [diff] [blame] | 131 | * @s_filter: set the scancode filter |
Sean Young | 0751d33 | 2016-12-05 17:08:35 -0200 | [diff] [blame] | 132 | * @s_wakeup_filter: set the wakeup scancode filter. If the mask is zero |
| 133 | * then wakeup should be disabled. wakeup_protocol will be set to |
| 134 | * a valid protocol if mask is nonzero. |
Sean Young | 4f253ce | 2016-07-10 13:34:38 -0300 | [diff] [blame] | 135 | * @s_timeout: set hardware timeout in ns |
Mauro Carvalho Chehab | 9dfe4e8 | 2010-04-04 14:06:55 -0300 | [diff] [blame] | 136 | */ |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 137 | struct rc_dev { |
| 138 | struct device dev; |
Heiner Kallweit | ddbf7d5 | 2016-09-30 17:42:07 -0300 | [diff] [blame] | 139 | bool managed_alloc; |
David Härdeman | 99b0f3c | 2014-04-04 19:06:06 -0300 | [diff] [blame] | 140 | const struct attribute_group *sysfs_groups[5]; |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 141 | const char *input_name; |
| 142 | const char *input_phys; |
| 143 | struct input_id input_id; |
| 144 | char *driver_name; |
| 145 | const char *map_name; |
Jarod Wilson | 08aeb7c | 2011-05-11 15:14:31 -0300 | [diff] [blame] | 146 | struct rc_map rc_map; |
| 147 | struct mutex lock; |
David Härdeman | fcb1309 | 2015-05-19 19:03:17 -0300 | [diff] [blame] | 148 | unsigned int minor; |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 149 | struct ir_raw_event_ctrl *raw; |
| 150 | struct input_dev *input_dev; |
| 151 | enum rc_driver_type driver_type; |
Maxim Levitsky | 4a702eb | 2010-07-31 11:59:22 -0300 | [diff] [blame] | 152 | bool idle; |
James Hogan | f423ccc | 2015-03-31 14:48:10 -0300 | [diff] [blame] | 153 | bool encode_wakeup; |
David Härdeman | c5540fb | 2014-04-03 20:32:21 -0300 | [diff] [blame] | 154 | u64 allowed_protocols; |
| 155 | u64 enabled_protocols; |
| 156 | u64 allowed_wakeup_protocols; |
Sean Young | 0751d33 | 2016-12-05 17:08:35 -0200 | [diff] [blame] | 157 | enum rc_type wakeup_protocol; |
David Härdeman | c5540fb | 2014-04-03 20:32:21 -0300 | [diff] [blame] | 158 | struct rc_scancode_filter scancode_filter; |
| 159 | struct rc_scancode_filter scancode_wakeup_filter; |
David Härdeman | 9d2f1d3 | 2014-04-03 20:32:26 -0300 | [diff] [blame] | 160 | u32 scancode_mask; |
Srinivas Kandagatla | 8b2ff32 | 2013-07-22 04:22:57 -0300 | [diff] [blame] | 161 | u32 users; |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 162 | void *priv; |
| 163 | spinlock_t keylock; |
| 164 | bool keypressed; |
| 165 | unsigned long keyup_jiffies; |
| 166 | struct timer_list timer_keyup; |
| 167 | u32 last_keycode; |
David Härdeman | 120703f | 2014-04-03 20:31:30 -0300 | [diff] [blame] | 168 | enum rc_type last_protocol; |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 169 | u32 last_scancode; |
| 170 | u8 last_toggle; |
| 171 | u32 timeout; |
| 172 | u32 min_timeout; |
| 173 | u32 max_timeout; |
| 174 | u32 rx_resolution; |
| 175 | u32 tx_resolution; |
David Härdeman | c003ab1 | 2012-10-11 19:11:54 -0300 | [diff] [blame] | 176 | int (*change_protocol)(struct rc_dev *dev, u64 *rc_type); |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 177 | int (*open)(struct rc_dev *dev); |
| 178 | void (*close)(struct rc_dev *dev); |
| 179 | int (*s_tx_mask)(struct rc_dev *dev, u32 mask); |
| 180 | int (*s_tx_carrier)(struct rc_dev *dev, u32 carrier); |
| 181 | int (*s_tx_duty_cycle)(struct rc_dev *dev, u32 duty_cycle); |
| 182 | int (*s_rx_carrier_range)(struct rc_dev *dev, u32 min, u32 max); |
David Härdeman | 5588dc2 | 2011-04-28 12:13:58 -0300 | [diff] [blame] | 183 | int (*tx_ir)(struct rc_dev *dev, unsigned *txbuf, unsigned n); |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 184 | void (*s_idle)(struct rc_dev *dev, bool enable); |
| 185 | int (*s_learning_mode)(struct rc_dev *dev, int enable); |
| 186 | int (*s_carrier_report) (struct rc_dev *dev, int enable); |
James Hogan | 00942d1 | 2014-01-17 10:58:49 -0300 | [diff] [blame] | 187 | int (*s_filter)(struct rc_dev *dev, |
James Hogan | 00942d1 | 2014-01-17 10:58:49 -0300 | [diff] [blame] | 188 | struct rc_scancode_filter *filter); |
David Härdeman | 23c843b | 2014-04-04 19:06:01 -0300 | [diff] [blame] | 189 | int (*s_wakeup_filter)(struct rc_dev *dev, |
| 190 | struct rc_scancode_filter *filter); |
Sean Young | 4f253ce | 2016-07-10 13:34:38 -0300 | [diff] [blame] | 191 | int (*s_timeout)(struct rc_dev *dev, |
| 192 | unsigned int timeout); |
Mauro Carvalho Chehab | 75543cc | 2009-12-11 09:44:23 -0300 | [diff] [blame] | 193 | }; |
Mauro Carvalho Chehab | a3572c3 | 2010-03-20 20:59:44 -0300 | [diff] [blame] | 194 | |
Mauro Carvalho Chehab | ca86674 | 2010-11-17 13:53:11 -0300 | [diff] [blame] | 195 | #define to_rc_dev(d) container_of(d, struct rc_dev, dev) |
| 196 | |
| 197 | /* |
| 198 | * From rc-main.c |
| 199 | * Those functions can be used on any type of Remote Controller. They |
| 200 | * basically creates an input_dev and properly reports the device as a |
| 201 | * Remote Controller, at sys/class/rc. |
| 202 | */ |
| 203 | |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 204 | /** |
| 205 | * rc_allocate_device - Allocates a RC device |
| 206 | * |
Andi Shyti | 0f7499f | 2016-12-16 06:50:58 -0200 | [diff] [blame] | 207 | * @rc_driver_type: specifies the type of the RC output to be allocated |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 208 | * returns a pointer to struct rc_dev. |
| 209 | */ |
Andi Shyti | 0f7499f | 2016-12-16 06:50:58 -0200 | [diff] [blame] | 210 | struct rc_dev *rc_allocate_device(enum rc_driver_type); |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 211 | |
| 212 | /** |
Heiner Kallweit | ddbf7d5 | 2016-09-30 17:42:07 -0300 | [diff] [blame] | 213 | * devm_rc_allocate_device - Managed RC device allocation |
| 214 | * |
| 215 | * @dev: pointer to struct device |
Andi Shyti | 0f7499f | 2016-12-16 06:50:58 -0200 | [diff] [blame] | 216 | * @rc_driver_type: specifies the type of the RC output to be allocated |
Heiner Kallweit | ddbf7d5 | 2016-09-30 17:42:07 -0300 | [diff] [blame] | 217 | * returns a pointer to struct rc_dev. |
| 218 | */ |
Andi Shyti | 0f7499f | 2016-12-16 06:50:58 -0200 | [diff] [blame] | 219 | struct rc_dev *devm_rc_allocate_device(struct device *dev, enum rc_driver_type); |
Heiner Kallweit | ddbf7d5 | 2016-09-30 17:42:07 -0300 | [diff] [blame] | 220 | |
| 221 | /** |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 222 | * rc_free_device - Frees a RC device |
| 223 | * |
| 224 | * @dev: pointer to struct rc_dev. |
| 225 | */ |
Mauro Carvalho Chehab | ca86674 | 2010-11-17 13:53:11 -0300 | [diff] [blame] | 226 | void rc_free_device(struct rc_dev *dev); |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 227 | |
| 228 | /** |
| 229 | * rc_register_device - Registers a RC device |
| 230 | * |
| 231 | * @dev: pointer to struct rc_dev. |
| 232 | */ |
Mauro Carvalho Chehab | ca86674 | 2010-11-17 13:53:11 -0300 | [diff] [blame] | 233 | int rc_register_device(struct rc_dev *dev); |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 234 | |
| 235 | /** |
Heiner Kallweit | ddbf7d5 | 2016-09-30 17:42:07 -0300 | [diff] [blame] | 236 | * devm_rc_register_device - Manageded registering of a RC device |
| 237 | * |
| 238 | * @parent: pointer to struct device. |
| 239 | * @dev: pointer to struct rc_dev. |
| 240 | */ |
| 241 | int devm_rc_register_device(struct device *parent, struct rc_dev *dev); |
| 242 | |
| 243 | /** |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 244 | * rc_unregister_device - Unregisters a RC device |
| 245 | * |
| 246 | * @dev: pointer to struct rc_dev. |
| 247 | */ |
Mauro Carvalho Chehab | ca86674 | 2010-11-17 13:53:11 -0300 | [diff] [blame] | 248 | void rc_unregister_device(struct rc_dev *dev); |
| 249 | |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 250 | /** |
| 251 | * rc_open - Opens a RC device |
| 252 | * |
| 253 | * @rdev: pointer to struct rc_dev. |
| 254 | */ |
Srinivas Kandagatla | 8b2ff32 | 2013-07-22 04:22:57 -0300 | [diff] [blame] | 255 | int rc_open(struct rc_dev *rdev); |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 256 | |
| 257 | /** |
Mauro Carvalho Chehab | e383ce0 | 2016-09-22 07:59:03 -0300 | [diff] [blame] | 258 | * rc_close - Closes a RC device |
Mauro Carvalho Chehab | 5b6137dc | 2016-07-17 09:16:57 -0300 | [diff] [blame] | 259 | * |
| 260 | * @rdev: pointer to struct rc_dev. |
| 261 | */ |
Srinivas Kandagatla | 8b2ff32 | 2013-07-22 04:22:57 -0300 | [diff] [blame] | 262 | void rc_close(struct rc_dev *rdev); |
| 263 | |
Mauro Carvalho Chehab | ca86674 | 2010-11-17 13:53:11 -0300 | [diff] [blame] | 264 | void rc_repeat(struct rc_dev *dev); |
David Härdeman | 120703f | 2014-04-03 20:31:30 -0300 | [diff] [blame] | 265 | void rc_keydown(struct rc_dev *dev, enum rc_type protocol, u32 scancode, u8 toggle); |
| 266 | void rc_keydown_notimeout(struct rc_dev *dev, enum rc_type protocol, u32 scancode, u8 toggle); |
Mauro Carvalho Chehab | ca86674 | 2010-11-17 13:53:11 -0300 | [diff] [blame] | 267 | void rc_keyup(struct rc_dev *dev); |
| 268 | u32 rc_g_keycode_from_table(struct rc_dev *dev, u32 scancode); |
| 269 | |
| 270 | /* |
| 271 | * From rc-raw.c |
| 272 | * The Raw interface is specific to InfraRed. It may be a good idea to |
| 273 | * split it later into a separate header. |
| 274 | */ |
| 275 | |
Mauro Carvalho Chehab | 3f113e3 | 2010-04-08 15:10:27 -0300 | [diff] [blame] | 276 | enum raw_event_type { |
| 277 | IR_SPACE = (1 << 0), |
| 278 | IR_PULSE = (1 << 1), |
| 279 | IR_START_EVENT = (1 << 2), |
| 280 | IR_STOP_EVENT = (1 << 3), |
Mauro Carvalho Chehab | 995187b | 2010-03-24 20:47:53 -0300 | [diff] [blame] | 281 | }; |
| 282 | |
David Härdeman | e40b112 | 2010-04-15 18:46:00 -0300 | [diff] [blame] | 283 | struct ir_raw_event { |
Maxim Levitsky | 4651918 | 2010-10-16 19:56:28 -0300 | [diff] [blame] | 284 | union { |
| 285 | u32 duration; |
Heiner Kallweit | 5f61ff8 | 2016-03-17 16:39:13 -0300 | [diff] [blame] | 286 | u32 carrier; |
Maxim Levitsky | 4651918 | 2010-10-16 19:56:28 -0300 | [diff] [blame] | 287 | }; |
Heiner Kallweit | 5f61ff8 | 2016-03-17 16:39:13 -0300 | [diff] [blame] | 288 | u8 duty_cycle; |
Maxim Levitsky | 4651918 | 2010-10-16 19:56:28 -0300 | [diff] [blame] | 289 | |
| 290 | unsigned pulse:1; |
| 291 | unsigned reset:1; |
| 292 | unsigned timeout:1; |
| 293 | unsigned carrier_report:1; |
David Härdeman | e40b112 | 2010-04-15 18:46:00 -0300 | [diff] [blame] | 294 | }; |
Mauro Carvalho Chehab | a3572c3 | 2010-03-20 20:59:44 -0300 | [diff] [blame] | 295 | |
Heiner Kallweit | 5f61ff8 | 2016-03-17 16:39:13 -0300 | [diff] [blame] | 296 | #define DEFINE_IR_RAW_EVENT(event) struct ir_raw_event event = {} |
Maxim Levitsky | 4651918 | 2010-10-16 19:56:28 -0300 | [diff] [blame] | 297 | |
| 298 | static inline void init_ir_raw_event(struct ir_raw_event *ev) |
| 299 | { |
| 300 | memset(ev, 0, sizeof(*ev)); |
| 301 | } |
| 302 | |
Eric Nelson | c8e1bbc | 2015-10-03 08:18:50 -0700 | [diff] [blame] | 303 | #define IR_DEFAULT_TIMEOUT MS_TO_NS(125) |
Mauro Carvalho Chehab | 6b20cf3 | 2015-06-05 10:30:44 -0300 | [diff] [blame] | 304 | #define IR_MAX_DURATION 500000000 /* 500 ms */ |
Jarod Wilson | 5aad724 | 2011-01-06 16:59:36 -0300 | [diff] [blame] | 305 | #define US_TO_NS(usec) ((usec) * 1000) |
| 306 | #define MS_TO_US(msec) ((msec) * 1000) |
| 307 | #define MS_TO_NS(msec) ((msec) * 1000 * 1000) |
David Härdeman | e40b112 | 2010-04-15 18:46:00 -0300 | [diff] [blame] | 308 | |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 309 | void ir_raw_event_handle(struct rc_dev *dev); |
| 310 | int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev); |
| 311 | int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type); |
| 312 | int ir_raw_event_store_with_filter(struct rc_dev *dev, |
| 313 | struct ir_raw_event *ev); |
| 314 | void ir_raw_event_set_idle(struct rc_dev *dev, bool idle); |
James Hogan | 3875233d | 2015-03-31 14:48:06 -0300 | [diff] [blame] | 315 | int ir_raw_encode_scancode(enum rc_type protocol, u32 scancode, |
| 316 | struct ir_raw_event *events, unsigned int max); |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 317 | |
| 318 | static inline void ir_raw_event_reset(struct rc_dev *dev) |
David Härdeman | e40b112 | 2010-04-15 18:46:00 -0300 | [diff] [blame] | 319 | { |
Heiner Kallweit | 5f61ff8 | 2016-03-17 16:39:13 -0300 | [diff] [blame] | 320 | struct ir_raw_event ev = { .reset = true }; |
Maxim Levitsky | 4651918 | 2010-10-16 19:56:28 -0300 | [diff] [blame] | 321 | |
David Härdeman | d8b4b58 | 2010-10-29 16:08:23 -0300 | [diff] [blame] | 322 | ir_raw_event_store(dev, &ev); |
| 323 | ir_raw_event_handle(dev); |
David Härdeman | e40b112 | 2010-04-15 18:46:00 -0300 | [diff] [blame] | 324 | } |
David Härdeman | 724e249 | 2010-04-08 13:10:00 -0300 | [diff] [blame] | 325 | |
David Härdeman | 3ffea49 | 2010-10-29 16:08:12 -0300 | [diff] [blame] | 326 | /* extract mask bits out of data and pack them into the result */ |
| 327 | static inline u32 ir_extract_bits(u32 data, u32 mask) |
| 328 | { |
| 329 | u32 vbit = 1, value = 0; |
| 330 | |
| 331 | do { |
David Härdeman | 829ba9f | 2010-11-19 20:43:27 -0300 | [diff] [blame] | 332 | if (mask & 1) { |
| 333 | if (data & 1) |
| 334 | value |= vbit; |
| 335 | vbit <<= 1; |
| 336 | } |
| 337 | data >>= 1; |
David Härdeman | 3ffea49 | 2010-10-29 16:08:12 -0300 | [diff] [blame] | 338 | } while (mask >>= 1); |
| 339 | |
| 340 | return value; |
| 341 | } |
| 342 | |
Mauro Carvalho Chehab | ca86674 | 2010-11-17 13:53:11 -0300 | [diff] [blame] | 343 | #endif /* _RC_CORE */ |