Rémi Bernon : winebus.sys: Add a PID effect state input report.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: c42933f5ecd580d301e334ece0ddde6465409a0f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=c42933f5ecd580d301e334ece0ddde6465409a0f

Author: Rémi Bernon <rbernon at codeweavers.com>
Date:   Thu Dec  2 10:47:45 2021 +0100

winebus.sys: Add a PID effect state input report.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52062
Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/winebus.sys/hid.c          | 42 +++++++++++++++++++++++++++++++++++++++++
 dlls/winebus.sys/unix_private.h | 18 ++++++++++++++++++
 2 files changed, 60 insertions(+)

diff --git a/dlls/winebus.sys/hid.c b/dlls/winebus.sys/hid.c
index beb2ebe8ad9..29d5debcfe2 100644
--- a/dlls/winebus.sys/hid.c
+++ b/dlls/winebus.sys/hid.c
@@ -475,6 +475,12 @@ struct pid_set_ramp_force
     INT16 ramp_start;
     INT16 ramp_end;
 };
+
+struct pid_effect_state
+{
+    BYTE flags;
+    BYTE index;
+};
 #include "poppack.h"
 
 static BOOL hid_descriptor_add_set_periodic(struct unix_device *iface)
@@ -883,6 +889,33 @@ BOOL hid_device_add_physical(struct unix_device *iface, USAGE *usages, USHORT co
             UNIT(1, 0), /* None */
         END_COLLECTION,
     };
+
+    const BYTE effect_state_report = ++desc->next_report_id[HidP_Input];
+    const BYTE effect_state_template[] =
+    {
+        /* Report effect state */
+        USAGE(1, PID_USAGE_STATE_REPORT),
+        COLLECTION(1, Logical),
+            REPORT_ID(1, effect_state_report),
+
+            USAGE(1, PID_USAGE_DEVICE_PAUSED),
+            USAGE(1, PID_USAGE_ACTUATORS_ENABLED),
+            USAGE(1, PID_USAGE_EFFECT_PLAYING),
+            LOGICAL_MINIMUM(1, 0),
+            LOGICAL_MAXIMUM(1, 1),
+            REPORT_SIZE(1, 1),
+            REPORT_COUNT(1, 8),
+            INPUT(1, Data|Var|Abs),
+
+            USAGE(1, PID_USAGE_EFFECT_BLOCK_INDEX),
+            LOGICAL_MINIMUM(1, 0),
+            LOGICAL_MAXIMUM(1, 0x7f),
+            REPORT_SIZE(1, 8),
+            REPORT_COUNT(1, 1),
+            INPUT(1, Data|Var|Abs),
+        END_COLLECTION,
+    };
+    struct hid_effect_state *effect_state = &iface->hid_physical.effect_state;
     BOOL periodic = FALSE;
     BOOL envelope = FALSE;
     BOOL condition = FALSE;
@@ -953,6 +986,9 @@ BOOL hid_device_add_physical(struct unix_device *iface, USAGE *usages, USHORT co
     if (ramp_force && !hid_descriptor_add_set_ramp_force(iface))
         return FALSE;
 
+    if (!hid_report_descriptor_append(desc, effect_state_template, sizeof(effect_state_template)))
+        return FALSE;
+
     /* HID nary collection indexes start at 1 */
     memcpy(iface->hid_physical.effect_types + 1, usages, count * sizeof(*usages));
 
@@ -960,6 +996,12 @@ BOOL hid_device_add_physical(struct unix_device *iface, USAGE *usages, USHORT co
     iface->hid_physical.device_gain_report = device_gain_report;
     iface->hid_physical.effect_control_report = effect_control_report;
     iface->hid_physical.effect_update_report = effect_update_report;
+
+    effect_state->id = effect_state_report;
+    effect_state->report_len = sizeof(struct pid_effect_state) + 1;
+    if (!(effect_state->report_buf = calloc(1, effect_state->report_len))) return FALSE;
+    effect_state->report_buf[0] = effect_state->id;
+
     return TRUE;
 }
 
diff --git a/dlls/winebus.sys/unix_private.h b/dlls/winebus.sys/unix_private.h
index 10784652a2b..564fec9fc3a 100644
--- a/dlls/winebus.sys/unix_private.h
+++ b/dlls/winebus.sys/unix_private.h
@@ -151,6 +151,22 @@ struct hid_haptics
     BYTE waveform_report;
 };
 
+/* must match the order and number of usages in the
+ * PID_USAGE_STATE_REPORT report */
+enum effect_state_flags
+{
+    EFFECT_STATE_DEVICE_PAUSED = 0x01,
+    EFFECT_STATE_ACTUATORS_ENABLED = 0x02,
+    EFFECT_STATE_EFFECT_PLAYING = 0x04,
+};
+
+struct hid_effect_state
+{
+    USHORT report_len;
+    BYTE *report_buf;
+    BYTE id;
+};
+
 struct hid_physical
 {
     USAGE effect_types[32];
@@ -165,6 +181,8 @@ struct hid_physical
     BYTE set_condition_report;
     BYTE set_constant_force_report;
     BYTE set_ramp_force_report;
+
+    struct hid_effect_state effect_state;
 };
 
 struct hid_device_state