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-rw-r--r--include/media/i2c/ir-kbd-i2c.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/include/media/i2c/ir-kbd-i2c.h b/include/media/i2c/ir-kbd-i2c.h
new file mode 100644
index 000000000..9f47d6a48
--- /dev/null
+++ b/include/media/i2c/ir-kbd-i2c.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _IR_I2C
+#define _IR_I2C
+
+#include <media/rc-core.h>
+
+#define DEFAULT_POLLING_INTERVAL 100 /* ms */
+
+struct IR_i2c;
+
+struct IR_i2c {
+ char *ir_codes;
+ struct i2c_client *c;
+ struct rc_dev *rc;
+
+ /* Used to avoid fast repeating */
+ unsigned char old;
+
+ u32 polling_interval; /* in ms */
+
+ struct delayed_work work;
+ char phys[32];
+ int (*get_key)(struct IR_i2c *ir,
+ enum rc_proto *protocol,
+ u32 *scancode, u8 *toggle);
+ /* tx */
+ struct i2c_client *tx_c;
+ struct mutex lock; /* do not poll Rx during Tx */
+ unsigned int carrier;
+ unsigned int duty_cycle;
+};
+
+enum ir_kbd_get_key_fn {
+ IR_KBD_GET_KEY_CUSTOM = 0,
+ IR_KBD_GET_KEY_PIXELVIEW,
+ IR_KBD_GET_KEY_HAUP,
+ IR_KBD_GET_KEY_KNC1,
+ IR_KBD_GET_KEY_FUSIONHDTV,
+ IR_KBD_GET_KEY_HAUP_XVR,
+ IR_KBD_GET_KEY_AVERMEDIA_CARDBUS,
+};
+
+/* Can be passed when instantiating an ir_video i2c device */
+struct IR_i2c_init_data {
+ char *ir_codes;
+ const char *name;
+ u64 type; /* RC_PROTO_BIT_RC5, etc */
+ u32 polling_interval; /* 0 means DEFAULT_POLLING_INTERVAL */
+
+ /*
+ * Specify either a function pointer or a value indicating one of
+ * ir_kbd_i2c's internal get_key functions
+ */
+ int (*get_key)(struct IR_i2c *ir,
+ enum rc_proto *protocol,
+ u32 *scancode, u8 *toggle);
+ enum ir_kbd_get_key_fn internal_get_key_func;
+
+ struct rc_dev *rc_dev;
+};
+#endif