Adjust the mappings for the classic-controller extension so it's reported
as normal gamepad. Keep the compatibility mappings so legacy-mode still
works.

Signed-off-by: David Herrmann <[email protected]>
---
 drivers/hid/hid-wiimote-modules.c | 144 ++++++++++++++++++++++++++------------
 1 file changed, 100 insertions(+), 44 deletions(-)

diff --git a/drivers/hid/hid-wiimote-modules.c 
b/drivers/hid/hid-wiimote-modules.c
index a02059c..f3de94e 100644
--- a/drivers/hid/hid-wiimote-modules.c
+++ b/drivers/hid/hid-wiimote-modules.c
@@ -1090,7 +1090,7 @@ enum wiimod_classic_keys {
        WIIMOD_CLASSIC_KEY_NUM,
 };
 
-static const __u16 wiimod_classic_map[] = {
+static const __u16 wiimod_classic_map_legacy[] = {
        BTN_A,          /* WIIMOD_CLASSIC_KEY_A */
        BTN_B,          /* WIIMOD_CLASSIC_KEY_B */
        BTN_X,          /* WIIMOD_CLASSIC_KEY_X */
@@ -1108,10 +1108,32 @@ static const __u16 wiimod_classic_map[] = {
        BTN_TR,         /* WIIMOD_CLASSIC_KEY_RT */
 };
 
+static const __u16 wiimod_classic_map[] = {
+       BTN_EAST,               /* WIIMOD_CLASSIC_KEY_A */
+       BTN_SOUTH,              /* WIIMOD_CLASSIC_KEY_B */
+       BTN_NORTH,              /* WIIMOD_CLASSIC_KEY_X */
+       BTN_WEST,               /* WIIMOD_CLASSIC_KEY_Y */
+       BTN_TL2,                /* WIIMOD_CLASSIC_KEY_ZL */
+       BTN_TR2,                /* WIIMOD_CLASSIC_KEY_ZR */
+       BTN_START,              /* WIIMOD_CLASSIC_KEY_PLUS */
+       BTN_SELECT,             /* WIIMOD_CLASSIC_KEY_MINUS */
+       BTN_MODE,               /* WIIMOD_CLASSIC_KEY_HOME */
+       BTN_DPAD_LEFT,          /* WIIMOD_CLASSIC_KEY_LEFT */
+       BTN_DPAD_RIGHT,         /* WIIMOD_CLASSIC_KEY_RIGHT */
+       BTN_DPAD_UP,            /* WIIMOD_CLASSIC_KEY_UP */
+       BTN_DPAD_DOWN,          /* WIIMOD_CLASSIC_KEY_DOWN */
+       BTN_TL,                 /* WIIMOD_CLASSIC_KEY_LT */
+       BTN_TR,                 /* WIIMOD_CLASSIC_KEY_RT */
+};
+
 static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext)
 {
+       const __u16 *map = wiimod_classic_map;
        __s8 rx, ry, lx, ly, lt, rt;
 
+       if (wdata->state.flags & WIIPROTO_FLAG_LEGACY)
+               map = wiimod_classic_map_legacy;
+
        /*   Byte |  8  |  7  |  6  |  5  |  4  |  3  |  2  |  1  |
         *   -----+-----+-----+-----+-----+-----+-----+-----+-----+
         *    1   | RX <5:4>  |              LX <5:0>             |
@@ -1177,66 +1199,75 @@ static void wiimod_classic_in_ext(struct wiimote_data 
*wdata, const __u8 *ext)
        rt <<= 1;
        lt <<= 1;
 
-       input_report_abs(wdata->extension.input, ABS_HAT1X, lx - 0x20);
-       input_report_abs(wdata->extension.input, ABS_HAT1Y, ly - 0x20);
-       input_report_abs(wdata->extension.input, ABS_HAT2X, rx - 0x20);
-       input_report_abs(wdata->extension.input, ABS_HAT2Y, ry - 0x20);
-       input_report_abs(wdata->extension.input, ABS_HAT3X, rt);
-       input_report_abs(wdata->extension.input, ABS_HAT3Y, lt);
+       if (wdata->state.flags & WIIPROTO_FLAG_LEGACY) {
+               input_report_abs(wdata->extension.input, ABS_HAT1X, lx - 0x20);
+               input_report_abs(wdata->extension.input, ABS_HAT1Y, ly - 0x20);
+               input_report_abs(wdata->extension.input, ABS_HAT2X, rx - 0x20);
+               input_report_abs(wdata->extension.input, ABS_HAT2Y, ry - 0x20);
+               input_report_abs(wdata->extension.input, ABS_HAT3X, rt);
+               input_report_abs(wdata->extension.input, ABS_HAT3Y, lt);
+       } else {
+               input_report_abs(wdata->extension.input, ABS_X, lx - 0x20);
+               input_report_abs(wdata->extension.input, ABS_Y, 0x20 - ly);
+               input_report_abs(wdata->extension.input, ABS_RX, rx - 0x20);
+               input_report_abs(wdata->extension.input, ABS_RY, 0x20 - ry);
+               input_report_abs(wdata->extension.input, ABS_HAT1X, rt);
+               input_report_abs(wdata->extension.input, ABS_HAT1Y, lt);
+       }
 
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_RIGHT],
+                        map[WIIMOD_CLASSIC_KEY_RIGHT],
                         !(ext[4] & 0x80));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_DOWN],
+                        map[WIIMOD_CLASSIC_KEY_DOWN],
                         !(ext[4] & 0x40));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_LT],
+                        map[WIIMOD_CLASSIC_KEY_LT],
                         !(ext[4] & 0x20));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_MINUS],
+                        map[WIIMOD_CLASSIC_KEY_MINUS],
                         !(ext[4] & 0x10));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_HOME],
+                        map[WIIMOD_CLASSIC_KEY_HOME],
                         !(ext[4] & 0x08));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_PLUS],
+                        map[WIIMOD_CLASSIC_KEY_PLUS],
                         !(ext[4] & 0x04));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_RT],
+                        map[WIIMOD_CLASSIC_KEY_RT],
                         !(ext[4] & 0x02));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_ZL],
+                        map[WIIMOD_CLASSIC_KEY_ZL],
                         !(ext[5] & 0x80));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_B],
+                        map[WIIMOD_CLASSIC_KEY_B],
                         !(ext[5] & 0x40));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_Y],
+                        map[WIIMOD_CLASSIC_KEY_Y],
                         !(ext[5] & 0x20));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_A],
+                        map[WIIMOD_CLASSIC_KEY_A],
                         !(ext[5] & 0x10));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_X],
+                        map[WIIMOD_CLASSIC_KEY_X],
                         !(ext[5] & 0x08));
        input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_ZR],
+                        map[WIIMOD_CLASSIC_KEY_ZR],
                         !(ext[5] & 0x04));
 
        if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
                input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT],
+                        map[WIIMOD_CLASSIC_KEY_LEFT],
                         !(ext[1] & 0x01));
                input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP],
+                        map[WIIMOD_CLASSIC_KEY_UP],
                         !(ext[0] & 0x01));
        } else {
                input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT],
+                        map[WIIMOD_CLASSIC_KEY_LEFT],
                         !(ext[5] & 0x02));
                input_report_key(wdata->extension.input,
-                        wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP],
+                        map[WIIMOD_CLASSIC_KEY_UP],
                         !(ext[5] & 0x01));
        }
 
@@ -1270,12 +1301,16 @@ static void wiimod_classic_close(struct input_dev *dev)
 static int wiimod_classic_probe(const struct wiimod_ops *ops,
                                struct wiimote_data *wdata)
 {
+       const __u16 *map = wiimod_classic_map;
        int ret, i;
 
        wdata->extension.input = input_allocate_device();
        if (!wdata->extension.input)
                return -ENOMEM;
 
+       if (wdata->state.flags & WIIPROTO_FLAG_LEGACY)
+               map = wiimod_classic_map_legacy;
+
        input_set_drvdata(wdata->extension.input, wdata);
        wdata->extension.input->open = wiimod_classic_open;
        wdata->extension.input->close = wiimod_classic_close;
@@ -1288,28 +1323,49 @@ static int wiimod_classic_probe(const struct wiimod_ops 
*ops,
 
        set_bit(EV_KEY, wdata->extension.input->evbit);
        for (i = 0; i < WIIMOD_CLASSIC_KEY_NUM; ++i)
-               set_bit(wiimod_classic_map[i],
-                       wdata->extension.input->keybit);
+               set_bit(map[i], wdata->extension.input->keybit);
 
        set_bit(EV_ABS, wdata->extension.input->evbit);
-       set_bit(ABS_HAT1X, wdata->extension.input->absbit);
-       set_bit(ABS_HAT1Y, wdata->extension.input->absbit);
-       set_bit(ABS_HAT2X, wdata->extension.input->absbit);
-       set_bit(ABS_HAT2Y, wdata->extension.input->absbit);
-       set_bit(ABS_HAT3X, wdata->extension.input->absbit);
-       set_bit(ABS_HAT3Y, wdata->extension.input->absbit);
-       input_set_abs_params(wdata->extension.input,
-                            ABS_HAT1X, -30, 30, 1, 1);
-       input_set_abs_params(wdata->extension.input,
-                            ABS_HAT1Y, -30, 30, 1, 1);
-       input_set_abs_params(wdata->extension.input,
-                            ABS_HAT2X, -30, 30, 1, 1);
-       input_set_abs_params(wdata->extension.input,
-                            ABS_HAT2Y, -30, 30, 1, 1);
-       input_set_abs_params(wdata->extension.input,
-                            ABS_HAT3X, -30, 30, 1, 1);
-       input_set_abs_params(wdata->extension.input,
-                            ABS_HAT3Y, -30, 30, 1, 1);
+
+       if (wdata->state.flags & WIIPROTO_FLAG_LEGACY) {
+               set_bit(ABS_HAT1X, wdata->extension.input->absbit);
+               set_bit(ABS_HAT1Y, wdata->extension.input->absbit);
+               set_bit(ABS_HAT2X, wdata->extension.input->absbit);
+               set_bit(ABS_HAT2Y, wdata->extension.input->absbit);
+               set_bit(ABS_HAT3X, wdata->extension.input->absbit);
+               set_bit(ABS_HAT3Y, wdata->extension.input->absbit);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_HAT1X, -30, 30, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_HAT1Y, -30, 30, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_HAT2X, -30, 30, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_HAT2Y, -30, 30, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_HAT3X, -30, 30, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_HAT3Y, -30, 30, 1, 1);
+       } else {
+               set_bit(ABS_X, wdata->extension.input->absbit);
+               set_bit(ABS_Y, wdata->extension.input->absbit);
+               set_bit(ABS_RX, wdata->extension.input->absbit);
+               set_bit(ABS_RY, wdata->extension.input->absbit);
+               set_bit(ABS_HAT1X, wdata->extension.input->absbit);
+               set_bit(ABS_HAT1Y, wdata->extension.input->absbit);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_X, -24, 24, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_Y, -24, 24, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_RX, -24, 24, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_RY, -24, 24, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_HAT1X, 0, 52, 1, 1);
+               input_set_abs_params(wdata->extension.input,
+                                    ABS_HAT1Y, 0, 52, 1, 1);
+       }
 
        ret = input_register_device(wdata->extension.input);
        if (ret)
-- 
1.8.4.1

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