Input: ALPS - add support for SS4 touchpad devices

[mirror_ubuntu-zesty-kernel.git] / drivers / input / mouse / alps.h

diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index 02513c0502fc1309a9f8285ea2f4e3237fd7464a..6dfdccc3a7c6e892ab1379d8597d5cc1e84bc19c 100644 (file)
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -22,13 +22,89 @@
 #define ALPS_PROTO_V5          0x500
 #define ALPS_PROTO_V6          0x600
 #define ALPS_PROTO_V7          0x700   /* t3btl t4s */
+#define ALPS_PROTO_V8          0x800   /* SS4btl SS4s */
 
-#define MAX_TOUCHES    2
+#define MAX_TOUCHES    4
 
 #define DOLPHIN_COUNT_PER_ELECTRODE    64
 #define DOLPHIN_PROFILE_XOFFSET                8       /* x-electrode offset */
 #define DOLPHIN_PROFILE_YOFFSET                1       /* y-electrode offset */
 
+/*
+ * enum SS4_PACKET_ID - defines the packet type for V8
+ * SS4_PACKET_ID_IDLE: There's no finger and no button activity.
+ * SS4_PACKET_ID_ONE: There's one finger on touchpad
+ *  or there's button activities.
+ * SS4_PACKET_ID_TWO: There's two or more fingers on touchpad
+ * SS4_PACKET_ID_MULTI: There's three or more fingers on touchpad
+*/
+enum SS4_PACKET_ID {
+       SS4_PACKET_ID_IDLE = 0,
+       SS4_PACKET_ID_ONE,
+       SS4_PACKET_ID_TWO,
+       SS4_PACKET_ID_MULTI,
+};
+
+#define SS4_COUNT_PER_ELECTRODE                256
+#define SS4_NUMSENSOR_XOFFSET          7
+#define SS4_NUMSENSOR_YOFFSET          7
+#define SS4_MIN_PITCH_MM               50
+
+#define SS4_MASK_NORMAL_BUTTONS                0x07
+
+#define SS4_1F_X_V2(_b)                ((_b[0] & 0x0007) |             \
+                                ((_b[1] << 3) & 0x0078) |      \
+                                ((_b[1] << 2) & 0x0380) |      \
+                                ((_b[2] << 5) & 0x1C00)        \
+                               )
+
+#define SS4_1F_Y_V2(_b)                (((_b[2]) & 0x000F) |           \
+                                ((_b[3] >> 2) & 0x0030) |      \
+                                ((_b[4] << 6) & 0x03C0) |      \
+                                ((_b[4] << 5) & 0x0C00)        \
+                               )
+
+#define SS4_1F_Z_V2(_b)                (((_b[5]) & 0x0F) |             \
+                                ((_b[5] >> 1) & 0x70) |        \
+                                ((_b[4]) & 0x80)               \
+                               )
+
+#define SS4_1F_LFB_V2(_b)      (((_b[2] >> 4) & 0x01) == 0x01)
+
+#define SS4_MF_LF_V2(_b, _i)   ((_b[1 + (_i) * 3] & 0x0004) == 0x0004)
+
+#define SS4_BTN_V2(_b)         ((_b[0] >> 5) & SS4_MASK_NORMAL_BUTTONS)
+
+#define SS4_STD_MF_X_V2(_b, _i)        (((_b[0 + (_i) * 3] << 5) & 0x00E0) |   \
+                                ((_b[1 + _i * 3]  << 5) & 0x1F00)      \
+                               )
+
+#define SS4_STD_MF_Y_V2(_b, _i)        (((_b[1 + (_i) * 3] << 3) & 0x0010) |   \
+                                ((_b[2 + (_i) * 3] << 5) & 0x01E0) |   \
+                                ((_b[2 + (_i) * 3] << 4) & 0x0E00)     \
+                               )
+
+#define SS4_BTL_MF_X_V2(_b, _i)        (SS4_STD_MF_X_V2(_b, _i) |              \
+                                ((_b[0 + (_i) * 3] >> 3) & 0x0010)     \
+                               )
+
+#define SS4_BTL_MF_Y_V2(_b, _i)        (SS4_STD_MF_Y_V2(_b, _i) | \
+                                ((_b[0 + (_i) * 3] >> 3) & 0x0008)     \
+                               )
+
+#define SS4_MF_Z_V2(_b, _i)    (((_b[1 + (_i) * 3]) & 0x0001) |        \
+                                ((_b[1 + (_i) * 3] >> 1) & 0x0002)     \
+                               )
+
+#define SS4_IS_MF_CONTINUE(_b) ((_b[2] & 0x10) == 0x10)
+#define SS4_IS_5F_DETECTED(_b) ((_b[2] & 0x10) == 0x10)
+
+
+#define SS4_MFPACKET_NO_AX     8160    /* X-Coordinate value */
+#define SS4_MFPACKET_NO_AY     4080    /* Y-Coordinate value */
+#define SS4_MFPACKET_NO_AX_BL  8176    /* Buttonless X-Coordinate value */
+#define SS4_MFPACKET_NO_AY_BL  4088    /* Buttonless Y-Coordinate value */
+
 /*
  * enum V7_PACKET_ID - defines the packet type for V7
  * V7_PACKET_ID_IDLE: There's no finger and no button activity.