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#ifndef __LIRC_WB677_MOUSE_KBD_HEADER__
#define __LIRC_WB677_MOUSE_KBD_HEADER__
/* jump asked frame number, can use on key, mouse and controller signals
*
* after jump frame_num, current frame number = frame_num + 1
* record current buf number of irctl buf
* record current pulse's bit and decode_status
*
* problem 1:
* When jump_frame() stops on a two_width_len pulse, the buf_num will be the
* second pulse of the double_width_len pulse.
* So jump_frame() must increase buf_num 1 on problem 1.
* For sample period is 50us, a 444us piulse's minimal sample value is 7, and
* two piulses' minimal sample value is 15. So just increase buf_num 1 works
* fine. If sample period changes, this solution also need change.
*
* one_width_len pulse:
* _ _
* .| |_| |_. (1010)
* ^
* |
* stop: jumped frame_num
*
*
* problem 1: double_width_len pulse:
* __ _
* .| |__| |. (11001)
* ^
* |
* stop: jumped frame_num + 1, buf_num + 1
*
* so if cur buf len > TWO_PULSE_LEN_LOW, buf_num --
* and recheck polar bit and decode_status
* decode_status go back 1 buf,
* NEW -> ONE/ZERO; ONE/ZERO -> NEW
*
* jump out of buf limit, return < 0
*/
int w83667hg_jump_frame(struct irctl *ir, u8 frame_num, unsigned int *buf_num, u8 *out_bit, u8 *decode_status);
/* jump MCE head sync signal (1111 11)
*
* after jump signal head, current pulse number = 7
* record current buf number of irctl buf
* record current pulse's bit and decode_status
*
* jump out of buf limit, return < 0
*/
int w83667hg_jump_head(struct irctl *ir, unsigned int *buf_num);
#define KEY_IDENTIFICATION 0x04
#define MOUSE_IDENTIFICATION 0x01
#define IDENTIFICATION_CHECK_BIT 0xF
/* check mce identification
*
* compare identification and cur_iden
* same return 0
* else return < 0, need continue check
*/
int w83667hg_check_identification(u8 val, u8 identification, u8 *cur_iden);
/* jump mce identification
* can use on key, mouse and controller signals
*
* jump and search identification parts
* record current buf number of irctl buf
*
* jump all pulse until find identification
*
*
*
* problem 1:
* When jump_identification() stops on a double_width_len pulse, the buf_num will be the
* second pulse of the doule_width_len frame.
*
* one_width_len pulse:
* _ _
* .| |_| |_. (1010)
* ^
* |
* stop: jumped frame_num
*
*
* problem 1: double_width_len pulse:
* __ _
* .| |__| |. (11001)
* ^
* |
* stop: jumped frame_num + 1, buf_num + 2
*
* solution:
* Now buf_num is the next double-pulse-width buf.
* Just decrease buf_num by one can fix this problem.
*
*
* After jump iden, output may diff by decode status:
* 1)
* For status ONE and ZERO, all decode work is done.
* Set status as NEW and inverse out_bit
* in fact, bit is not important, for a buf can indicate one frame, whether its
* length is one or two, the bit can be ignored
*
* after jump frame, all status is NEW! reset them as inverse polar bit
*
*
*
*
* can not find identification, return < 0
*/
int w83667hg_jump_identification(struct irctl *ir, u8 identification, unsigned int *buf_num, u8 *out_bit, u8 *decode_status);
/* the frame number between identification and code */
#define KEY_KEYCODE_FRAME_AFTER_I_START 16 /*//32*/
#define KEY_FRAME_AFTER_JUMP 16 /*//64*/
#define KEY_SUBMIT_KEYCODE_FRAME_NUM 8
#define MOUSE_DELTAY_PULSE_AFTER_I_START 8
#define MOUSE_CHECKSUM_FRAME_AFTER_JUMP 16
#define MOUSE_SUBMIT_DELTAY_FRAME_NUM 7
#define MOUSE_SUBMIT_DELTAX_FRAME_NUM 14
#define MOUSE_SUBMIT_R_FRAME_NUM 15
#define MOUSE_SUBMIT_L_FRAME_NUM 16
/* FIXME, not sure this value, select a large number*/
#define PULSE_SILENT_LEN_LOW 90
/* set keycode and shiftmask for keyboard */
void w83667hg_set_key(u8 *set_frame, u8 val, u8 *keycode, u8 *shiftmask);
/* decode mce keyboard signal and send data to input
*
* 1) jump mce keyboard signal sync head (1111 11)
* 2) jump identification (0100)
* pulse number before identification is not sure
* 3) jump "unknown", "C" and "CodeSet" parts in mce keyboard signal
* 4) deocde "KeyCode" and "ShiftMask" parts in mce key signal
* 5) send keycode to input by array usb_kbd_keycode
* 6) send shiftmask to input by array usb_kbd_keycode
*/
void w83667hg_submit_key(struct irctl *ir);
/* set deltax, deltay, x, y for mce mouse */
void w83667hg_set_mouse(u8 *set_frame, u8 val, u8 *deltay, u8 *deltax, u8 *clickrl);
/* decode mce mouse signal and send data to input
*
* 1) jump mce mouse signal sync head (1111 11)
* 2) jump identification (0001)
* pulse number before identification is not sure
* 3) jump "unknown" part in mce mouse signal
* 4) deocde "deltay", "deltax", "r" and "l" parts in mce mouse signal
* 5) send these parts to input
*/
void w83667hg_submit_mouse(struct irctl *ir);
#define BIT_PULSE_MASK 0x80
#define BIT_LEN 0x7f
/* "10"=>1 (+2), "01"=>0 (+2) */
#define ST_DECODE_NEW 0x01
#define ST_DECODE_ZERO 0x02
#define ST_DECODE_ONE 0x04
/* RC6 sync head: 1111 11
* 6 * 444us / 50us (sample period) * 0.85 (inaccuracy)
*/
#define HEAD_SYNC_LEN_LOW 45
/* 7 pulses long, for inaccuracy */
#define HEAD_SYNC_LEN_HIGH 71
#define ONE_PULSE_LEN_LOW 2
#define ONE_PULSE_LEN_HIGH 10
#define TWO_PULSE_LEN_LOW 10
#define TWO_PULSE_LEN_HIGH 15
#endif
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