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|  | 1 | +/* | 
|  | 2 | + * xpadneo mouse driver | 
|  | 3 | + * | 
|  | 4 | + * Copyright (c) 2021 Kai Krakow <[email protected]> | 
|  | 5 | + */ | 
|  | 6 | + | 
|  | 7 | +#include "../xpadneo.h" | 
|  | 8 | + | 
|  | 9 | +extern void xpadneo_toggle_mouse(struct xpadneo_devdata *xdata) | 
|  | 10 | +{ | 
|  | 11 | +	if (!xdata->mouse) { | 
|  | 12 | +		xdata->mouse_mode = false; | 
|  | 13 | +		hid_info(xdata->hdev, "mouse not available\n"); | 
|  | 14 | +	} else if (xdata->mouse_mode) { | 
|  | 15 | +		xdata->mouse_mode = false; | 
|  | 16 | +		hid_info(xdata->hdev, "mouse mode disabled\n"); | 
|  | 17 | +	} else { | 
|  | 18 | +		xdata->mouse_mode = true; | 
|  | 19 | +		hid_info(xdata->hdev, "mouse mode enabled\n"); | 
|  | 20 | +	} | 
|  | 21 | + | 
|  | 22 | +	/* Indicate that a request was made */ | 
|  | 23 | +	xdata->profile_switched = true; | 
|  | 24 | +} | 
|  | 25 | + | 
|  | 26 | +#define mouse_report_rel(a,v) if((v)!=0)input_report_rel(mouse,a,v) | 
|  | 27 | +extern void xpadneo_mouse_report(struct timer_list *t) | 
|  | 28 | +{ | 
|  | 29 | +	struct xpadneo_devdata *xdata = from_timer(xdata, t, mouse_timer); | 
|  | 30 | +	struct input_dev *mouse = xdata->mouse; | 
|  | 31 | + | 
|  | 32 | +	mod_timer(&xdata->mouse_timer, jiffies + msecs_to_jiffies(10)); | 
|  | 33 | + | 
|  | 34 | +	if (xdata->mouse_mode) { | 
|  | 35 | +		mouse_report_rel(REL_X, xdata->mouse_state.rel_x); | 
|  | 36 | +		mouse_report_rel(REL_Y, xdata->mouse_state.rel_y); | 
|  | 37 | +		mouse_report_rel(REL_HWHEEL, xdata->mouse_state.wheel_x); | 
|  | 38 | +		mouse_report_rel(REL_WHEEL, xdata->mouse_state.wheel_y); | 
|  | 39 | +		input_sync(xdata->mouse); | 
|  | 40 | +	} | 
|  | 41 | + | 
|  | 42 | +} | 
|  | 43 | + | 
|  | 44 | +#define rescale_axis(v,d) (((v)<(d)&&(v)>-(d))?0:(32768*((v)>0?(v)-(d):(v)+(d))/(32768-(d)))) | 
|  | 45 | +extern int xpadneo_mouse_event(struct xpadneo_devdata *xdata, struct hid_usage *usage, __s32 value) | 
|  | 46 | +{ | 
|  | 47 | +	if (!xdata->mouse_mode) | 
|  | 48 | +		return 0; | 
|  | 49 | + | 
|  | 50 | +	if (usage->type == EV_ABS) { | 
|  | 51 | +		switch (usage->code) { | 
|  | 52 | +		case ABS_X: | 
|  | 53 | +			xdata->mouse_state.rel_x = rescale_axis(value - 32768, 3072) / 2048; | 
|  | 54 | +			return 1; | 
|  | 55 | +		case ABS_Y: | 
|  | 56 | +			xdata->mouse_state.rel_y = rescale_axis(value - 32768, 3072) / 2048; | 
|  | 57 | +			return 1; | 
|  | 58 | +		case ABS_RX: | 
|  | 59 | +			xdata->mouse_state.wheel_x = rescale_axis(value - 32768, 3072) / 8192; | 
|  | 60 | +			return 1; | 
|  | 61 | +		case ABS_RY: | 
|  | 62 | +			xdata->mouse_state.wheel_y = rescale_axis(value - 32768, 3072) / 8192; | 
|  | 63 | +			return 1; | 
|  | 64 | +		case ABS_Z: | 
|  | 65 | +			if (xdata->mouse_state.analog_button.left && value < 384) { | 
|  | 66 | +				xdata->mouse_state.analog_button.left = false; | 
|  | 67 | +				input_report_key(xdata->mouse, BTN_LEFT, 0); | 
|  | 68 | +				input_sync(xdata->mouse); | 
|  | 69 | +			} else if (!xdata->mouse_state.analog_button.left && value > 640) { | 
|  | 70 | +				xdata->mouse_state.analog_button.left = true; | 
|  | 71 | +				input_report_key(xdata->mouse, BTN_LEFT, 1); | 
|  | 72 | +				input_sync(xdata->mouse); | 
|  | 73 | +			} | 
|  | 74 | +			return 1; | 
|  | 75 | +		case ABS_RZ: | 
|  | 76 | +			if (xdata->mouse_state.analog_button.right && value < 384) { | 
|  | 77 | +				xdata->mouse_state.analog_button.right = false; | 
|  | 78 | +				input_report_key(xdata->mouse, BTN_RIGHT, 0); | 
|  | 79 | +				input_sync(xdata->mouse); | 
|  | 80 | +			} else if (!xdata->mouse_state.analog_button.right && value > 640) { | 
|  | 81 | +				xdata->mouse_state.analog_button.right = true; | 
|  | 82 | +				input_report_key(xdata->mouse, BTN_RIGHT, 1); | 
|  | 83 | +				input_sync(xdata->mouse); | 
|  | 84 | +			} | 
|  | 85 | +			return 1; | 
|  | 86 | +		} | 
|  | 87 | +	} else if (usage->type == EV_KEY) { | 
|  | 88 | +		switch (usage->code) { | 
|  | 89 | +		case BTN_TL: | 
|  | 90 | +			input_report_key(xdata->mouse, BTN_SIDE, value); | 
|  | 91 | +			input_sync(xdata->mouse); | 
|  | 92 | +			return 1; | 
|  | 93 | +		case BTN_TR: | 
|  | 94 | +			input_report_key(xdata->mouse, BTN_EXTRA, value); | 
|  | 95 | +			input_sync(xdata->mouse); | 
|  | 96 | +			return 1; | 
|  | 97 | +		case BTN_START: | 
|  | 98 | +			if (xdata->consumer) { | 
|  | 99 | +				input_report_key(xdata->consumer, KEY_KEYBOARD, value); | 
|  | 100 | +				input_sync(xdata->consumer); | 
|  | 101 | +			} | 
|  | 102 | +			return 1; | 
|  | 103 | +		} | 
|  | 104 | +	} | 
|  | 105 | + | 
|  | 106 | +	return 0; | 
|  | 107 | +} | 
|  | 108 | + | 
|  | 109 | +extern int xpadneo_init_mouse(struct xpadneo_devdata *xdata) | 
|  | 110 | +{ | 
|  | 111 | +	struct hid_device *hdev = xdata->hdev; | 
|  | 112 | +	int ret, synth = 0; | 
|  | 113 | + | 
|  | 114 | +	if (!xdata->mouse) { | 
|  | 115 | +		synth = 1; | 
|  | 116 | +		ret = xpadneo_init_synthetic(xdata, "Mouse", &xdata->mouse); | 
|  | 117 | +		if (ret || !xdata->mouse) | 
|  | 118 | +			return ret; | 
|  | 119 | +	} | 
|  | 120 | + | 
|  | 121 | +	/* enable relative events for mouse emulation */ | 
|  | 122 | +	__set_bit(EV_REL, xdata->mouse->evbit); | 
|  | 123 | +	__set_bit(REL_X, xdata->mouse->relbit); | 
|  | 124 | +	__set_bit(REL_Y, xdata->mouse->relbit); | 
|  | 125 | +	__set_bit(REL_HWHEEL, xdata->mouse->relbit); | 
|  | 126 | +	__set_bit(REL_WHEEL, xdata->mouse->relbit); | 
|  | 127 | + | 
|  | 128 | +	/* enable button events for mouse emulation */ | 
|  | 129 | +	__set_bit(EV_KEY, xdata->mouse->evbit); | 
|  | 130 | +	__set_bit(BTN_LEFT, xdata->mouse->keybit); | 
|  | 131 | +	__set_bit(BTN_RIGHT, xdata->mouse->keybit); | 
|  | 132 | +	__set_bit(BTN_MIDDLE, xdata->mouse->keybit); | 
|  | 133 | +	__set_bit(BTN_SIDE, xdata->mouse->keybit); | 
|  | 134 | +	__set_bit(BTN_EXTRA, xdata->mouse->keybit); | 
|  | 135 | +	__set_bit(BTN_FORWARD, xdata->mouse->keybit); | 
|  | 136 | +	__set_bit(BTN_BACK, xdata->mouse->keybit); | 
|  | 137 | +	__set_bit(BTN_TASK, xdata->mouse->keybit); | 
|  | 138 | + | 
|  | 139 | +	if (synth) { | 
|  | 140 | +		ret = input_register_device(xdata->mouse); | 
|  | 141 | +		if (ret) { | 
|  | 142 | +			hid_err(hdev, "failed to register mouse\n"); | 
|  | 143 | +			return ret; | 
|  | 144 | +		} | 
|  | 145 | + | 
|  | 146 | +		hid_info(hdev, "mouse added\n"); | 
|  | 147 | +	} | 
|  | 148 | + | 
|  | 149 | +	return 0; | 
|  | 150 | +} | 
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