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[WIP] xpadneo, mouse: Implement mouse support
Co-authored-by: Jacob Essex <[email protected]> Co-authored-by: Florian Dollinger <[email protected]> Closes: atar-axis#160 Closes: atar-axis#105 Closes: atar-axis#99 Signed-off-by: Kai Krakow <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| /* | ||
| * xpadneo mouse driver | ||
| * | ||
| * Copyright (c) 2021 Kai Krakow <[email protected]> | ||
| */ | ||
|
|
||
| #include "../xpadneo.h" | ||
|
|
||
| extern void xpadneo_toggle_mouse(struct xpadneo_devdata *xdata) | ||
| { | ||
| if (!xdata->mouse) { | ||
| xdata->mouse_mode = false; | ||
| hid_info(xdata->hdev, "mouse not available\n"); | ||
| } else if (xdata->mouse_mode) { | ||
| xdata->mouse_mode = false; | ||
| hid_info(xdata->hdev, "mouse mode disabled\n"); | ||
| } else { | ||
| xdata->mouse_mode = true; | ||
| hid_info(xdata->hdev, "mouse mode enabled\n"); | ||
| } | ||
|
|
||
| /* Indicate that a request was made */ | ||
| xdata->profile_switched = true; | ||
| } | ||
|
|
||
| #define mouse_report_rel(a,v) if((v)!=0)input_report_rel(mouse,a,v) | ||
| extern void xpadneo_mouse_report(struct timer_list *t) | ||
| { | ||
| struct xpadneo_devdata *xdata = from_timer(xdata, t, mouse_timer); | ||
| struct input_dev *mouse = xdata->mouse; | ||
|
|
||
| mod_timer(&xdata->mouse_timer, jiffies + msecs_to_jiffies(10)); | ||
|
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| if (xdata->mouse_mode) { | ||
| mouse_report_rel(REL_X, xdata->mouse_state.rel_x); | ||
| mouse_report_rel(REL_Y, xdata->mouse_state.rel_y); | ||
| mouse_report_rel(REL_HWHEEL, xdata->mouse_state.wheel_x); | ||
| mouse_report_rel(REL_WHEEL, xdata->mouse_state.wheel_y); | ||
| input_sync(xdata->mouse); | ||
| } | ||
|
|
||
| } | ||
|
|
||
| #define rescale_axis(v,d) (((v)<(d)&&(v)>-(d))?0:(32768*((v)>0?(v)-(d):(v)+(d))/(32768-(d)))) | ||
| extern int xpadneo_mouse_event(struct xpadneo_devdata *xdata, struct hid_usage *usage, __s32 value) | ||
| { | ||
| if (!xdata->mouse_mode) | ||
| return 0; | ||
|
|
||
| if (usage->type == EV_ABS) { | ||
| switch (usage->code) { | ||
| case ABS_X: | ||
| xdata->mouse_state.rel_x = rescale_axis(value - 32768, 3072) / 2048; | ||
| return 1; | ||
| case ABS_Y: | ||
| xdata->mouse_state.rel_y = rescale_axis(value - 32768, 3072) / 2048; | ||
| return 1; | ||
| case ABS_RX: | ||
| xdata->mouse_state.wheel_x = rescale_axis(value - 32768, 3072) / 8192; | ||
| return 1; | ||
| case ABS_RY: | ||
| xdata->mouse_state.wheel_y = rescale_axis(value - 32768, 3072) / 8192; | ||
| return 1; | ||
| case ABS_Z: | ||
| if (xdata->mouse_state.analog_button.left && value < 384) { | ||
| xdata->mouse_state.analog_button.left = false; | ||
| input_report_key(xdata->mouse, BTN_LEFT, 0); | ||
| input_sync(xdata->mouse); | ||
| } else if (!xdata->mouse_state.analog_button.left && value > 640) { | ||
| xdata->mouse_state.analog_button.left = true; | ||
| input_report_key(xdata->mouse, BTN_LEFT, 1); | ||
| input_sync(xdata->mouse); | ||
| } | ||
| return 1; | ||
| case ABS_RZ: | ||
| if (xdata->mouse_state.analog_button.right && value < 384) { | ||
| xdata->mouse_state.analog_button.right = false; | ||
| input_report_key(xdata->mouse, BTN_RIGHT, 0); | ||
| input_sync(xdata->mouse); | ||
| } else if (!xdata->mouse_state.analog_button.right && value > 640) { | ||
| xdata->mouse_state.analog_button.right = true; | ||
| input_report_key(xdata->mouse, BTN_RIGHT, 1); | ||
| input_sync(xdata->mouse); | ||
| } | ||
| return 1; | ||
| } | ||
| } else if (usage->type == EV_KEY) { | ||
| switch (usage->code) { | ||
| case BTN_TL: | ||
| input_report_key(xdata->mouse, BTN_SIDE, value); | ||
| input_sync(xdata->mouse); | ||
| return 1; | ||
| case BTN_TR: | ||
| input_report_key(xdata->mouse, BTN_EXTRA, value); | ||
| input_sync(xdata->mouse); | ||
| return 1; | ||
| case BTN_START: | ||
| if (xdata->consumer) { | ||
| input_report_key(xdata->consumer, KEY_KEYBOARD, value); | ||
| input_sync(xdata->consumer); | ||
| } | ||
| return 1; | ||
| } | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| extern int xpadneo_init_mouse(struct xpadneo_devdata *xdata) | ||
| { | ||
| struct hid_device *hdev = xdata->hdev; | ||
| int ret; | ||
|
|
||
| ret = xpadneo_init_synthetic(xdata, "Mouse", &xdata->mouse); | ||
| if (ret || !xdata->mouse) | ||
| return ret; | ||
|
|
||
| /* enable relative events for mouse emulation */ | ||
| __set_bit(EV_REL, xdata->mouse->evbit); | ||
| __set_bit(REL_X, xdata->mouse->relbit); | ||
| __set_bit(REL_Y, xdata->mouse->relbit); | ||
| __set_bit(REL_HWHEEL, xdata->mouse->relbit); | ||
| __set_bit(REL_WHEEL, xdata->mouse->relbit); | ||
|
|
||
| /* enable button events for mouse emulation */ | ||
| __set_bit(EV_KEY, xdata->mouse->evbit); | ||
| __set_bit(BTN_LEFT, xdata->mouse->keybit); | ||
| __set_bit(BTN_RIGHT, xdata->mouse->keybit); | ||
| __set_bit(BTN_MIDDLE, xdata->mouse->keybit); | ||
| __set_bit(BTN_SIDE, xdata->mouse->keybit); | ||
| __set_bit(BTN_EXTRA, xdata->mouse->keybit); | ||
| __set_bit(BTN_FORWARD, xdata->mouse->keybit); | ||
| __set_bit(BTN_BACK, xdata->mouse->keybit); | ||
| __set_bit(BTN_TASK, xdata->mouse->keybit); | ||
|
|
||
| ret = input_register_device(xdata->mouse); | ||
| if (ret) { | ||
| hid_err(hdev, "failed to register mouse\n"); | ||
| return ret; | ||
| } | ||
|
|
||
| hid_info(hdev, "mouse added\n"); | ||
| return 0; | ||
| } |