Merge branch 'synaptics' into for-linus
[sfrench/cifs-2.6.git] / drivers / input / mouse / synaptics.c
index f2cceb6493a0aea304c838043735ac3889041438..c74bfa1c05e307c9a0da6f7405904938dd9e3455 100644 (file)
@@ -123,32 +123,41 @@ void synaptics_reset(struct psmouse *psmouse)
 
 static bool cr48_profile_sensor;
 
+#define ANY_BOARD_ID 0
 struct min_max_quirk {
        const char * const *pnp_ids;
+       struct {
+               unsigned long int min, max;
+       } board_id;
        int x_min, x_max, y_min, y_max;
 };
 
 static const struct min_max_quirk min_max_pnpid_table[] = {
        {
                (const char * const []){"LEN0033", NULL},
+               {ANY_BOARD_ID, ANY_BOARD_ID},
                1024, 5052, 2258, 4832
        },
        {
-               (const char * const []){"LEN0035", "LEN0042", NULL},
+               (const char * const []){"LEN0042", NULL},
+               {ANY_BOARD_ID, ANY_BOARD_ID},
                1232, 5710, 1156, 4696
        },
        {
                (const char * const []){"LEN0034", "LEN0036", "LEN0037",
                                        "LEN0039", "LEN2002", "LEN2004",
                                        NULL},
+               {ANY_BOARD_ID, 2961},
                1024, 5112, 2024, 4832
        },
        {
                (const char * const []){"LEN2001", NULL},
+               {ANY_BOARD_ID, ANY_BOARD_ID},
                1024, 5022, 2508, 4832
        },
        {
                (const char * const []){"LEN2006", NULL},
+               {ANY_BOARD_ID, ANY_BOARD_ID},
                1264, 5675, 1171, 4688
        },
        { }
@@ -175,9 +184,7 @@ static const char * const topbuttonpad_pnp_ids[] = {
        "LEN0041",
        "LEN0042", /* Yoga */
        "LEN0045",
-       "LEN0046",
        "LEN0047",
-       "LEN0048",
        "LEN0049",
        "LEN2000",
        "LEN2001", /* Edge E431 */
@@ -235,18 +242,39 @@ static int synaptics_model_id(struct psmouse *psmouse)
        return 0;
 }
 
+static int synaptics_more_extended_queries(struct psmouse *psmouse)
+{
+       struct synaptics_data *priv = psmouse->private;
+       unsigned char buf[3];
+
+       if (synaptics_send_cmd(psmouse, SYN_QUE_MEXT_CAPAB_10, buf))
+               return -1;
+
+       priv->ext_cap_10 = (buf[0]<<16) | (buf[1]<<8) | buf[2];
+
+       return 0;
+}
+
 /*
- * Read the board id from the touchpad
+ * Read the board id and the "More Extended Queries" from the touchpad
  * The board id is encoded in the "QUERY MODES" response
  */
-static int synaptics_board_id(struct psmouse *psmouse)
+static int synaptics_query_modes(struct psmouse *psmouse)
 {
        struct synaptics_data *priv = psmouse->private;
        unsigned char bid[3];
 
+       /* firmwares prior 7.5 have no board_id encoded */
+       if (SYN_ID_FULL(priv->identity) < 0x705)
+               return 0;
+
        if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid))
                return -1;
        priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1];
+
+       if (SYN_MEXT_CAP_BIT(bid[0]))
+               return synaptics_more_extended_queries(psmouse);
+
        return 0;
 }
 
@@ -346,7 +374,6 @@ static int synaptics_resolution(struct psmouse *psmouse)
 {
        struct synaptics_data *priv = psmouse->private;
        unsigned char resp[3];
-       int i;
 
        if (SYN_ID_MAJOR(priv->identity) < 4)
                return 0;
@@ -358,17 +385,6 @@ static int synaptics_resolution(struct psmouse *psmouse)
                }
        }
 
-       for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) {
-               if (psmouse_matches_pnp_id(psmouse,
-                                          min_max_pnpid_table[i].pnp_ids)) {
-                       priv->x_min = min_max_pnpid_table[i].x_min;
-                       priv->x_max = min_max_pnpid_table[i].x_max;
-                       priv->y_min = min_max_pnpid_table[i].y_min;
-                       priv->y_max = min_max_pnpid_table[i].y_max;
-                       return 0;
-               }
-       }
-
        if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 &&
            SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) {
                if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) {
@@ -377,23 +393,69 @@ static int synaptics_resolution(struct psmouse *psmouse)
                } else {
                        priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
                        priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
+                       psmouse_info(psmouse,
+                                    "queried max coordinates: x [..%d], y [..%d]\n",
+                                    priv->x_max, priv->y_max);
                }
        }
 
-       if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 &&
-           SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c)) {
+       if (SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c) &&
+           (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 ||
+            /*
+             * Firmware v8.1 does not report proper number of extended
+             * capabilities, but has been proven to report correct min
+             * coordinates.
+             */
+            SYN_ID_FULL(priv->identity) == 0x801)) {
                if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) {
                        psmouse_warn(psmouse,
                                     "device claims to have min coordinates query, but I'm not able to read it.\n");
                } else {
                        priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
                        priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
+                       psmouse_info(psmouse,
+                                    "queried min coordinates: x [%d..], y [%d..]\n",
+                                    priv->x_min, priv->y_min);
                }
        }
 
        return 0;
 }
 
+/*
+ * Apply quirk(s) if the hardware matches
+ */
+
+static void synaptics_apply_quirks(struct psmouse *psmouse)
+{
+       struct synaptics_data *priv = psmouse->private;
+       int i;
+
+       for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) {
+               if (!psmouse_matches_pnp_id(psmouse,
+                                           min_max_pnpid_table[i].pnp_ids))
+                       continue;
+
+               if (min_max_pnpid_table[i].board_id.min != ANY_BOARD_ID &&
+                   priv->board_id < min_max_pnpid_table[i].board_id.min)
+                       continue;
+
+               if (min_max_pnpid_table[i].board_id.max != ANY_BOARD_ID &&
+                   priv->board_id > min_max_pnpid_table[i].board_id.max)
+                       continue;
+
+               priv->x_min = min_max_pnpid_table[i].x_min;
+               priv->x_max = min_max_pnpid_table[i].x_max;
+               priv->y_min = min_max_pnpid_table[i].y_min;
+               priv->y_max = min_max_pnpid_table[i].y_max;
+               psmouse_info(psmouse,
+                            "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n",
+                            priv->x_min, priv->x_max,
+                            priv->y_min, priv->y_max);
+               break;
+       }
+}
+
 static int synaptics_query_hardware(struct psmouse *psmouse)
 {
        if (synaptics_identify(psmouse))
@@ -402,13 +464,15 @@ static int synaptics_query_hardware(struct psmouse *psmouse)
                return -1;
        if (synaptics_firmware_id(psmouse))
                return -1;
-       if (synaptics_board_id(psmouse))
+       if (synaptics_query_modes(psmouse))
                return -1;
        if (synaptics_capability(psmouse))
                return -1;
        if (synaptics_resolution(psmouse))
                return -1;
 
+       synaptics_apply_quirks(psmouse);
+
        return 0;
 }
 
@@ -516,18 +580,22 @@ static int synaptics_is_pt_packet(unsigned char *buf)
        return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4;
 }
 
-static void synaptics_pass_pt_packet(struct serio *ptport, unsigned char *packet)
+static void synaptics_pass_pt_packet(struct psmouse *psmouse,
+                                    struct serio *ptport,
+                                    unsigned char *packet)
 {
+       struct synaptics_data *priv = psmouse->private;
        struct psmouse *child = serio_get_drvdata(ptport);
 
        if (child && child->state == PSMOUSE_ACTIVATED) {
-               serio_interrupt(ptport, packet[1], 0);
+               serio_interrupt(ptport, packet[1] | priv->pt_buttons, 0);
                serio_interrupt(ptport, packet[4], 0);
                serio_interrupt(ptport, packet[5], 0);
                if (child->pktsize == 4)
                        serio_interrupt(ptport, packet[2], 0);
-       } else
+       } else {
                serio_interrupt(ptport, packet[1], 0);
+       }
 }
 
 static void synaptics_pt_activate(struct psmouse *psmouse)
@@ -605,6 +673,18 @@ static void synaptics_parse_agm(const unsigned char buf[],
        }
 }
 
+static void synaptics_parse_ext_buttons(const unsigned char buf[],
+                                       struct synaptics_data *priv,
+                                       struct synaptics_hw_state *hw)
+{
+       unsigned int ext_bits =
+               (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1;
+       unsigned int ext_mask = GENMASK(ext_bits - 1, 0);
+
+       hw->ext_buttons = buf[4] & ext_mask;
+       hw->ext_buttons |= (buf[5] & ext_mask) << ext_bits;
+}
+
 static bool is_forcepad;
 
 static int synaptics_parse_hw_state(const unsigned char buf[],
@@ -691,28 +771,9 @@ static int synaptics_parse_hw_state(const unsigned char buf[],
                        hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0;
                }
 
-               if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) &&
+               if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 0 &&
                    ((buf[0] ^ buf[3]) & 0x02)) {
-                       switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) {
-                       default:
-                               /*
-                                * if nExtBtn is greater than 8 it should be
-                                * considered invalid and treated as 0
-                                */
-                               break;
-                       case 8:
-                               hw->ext_buttons |= ((buf[5] & 0x08)) ? 0x80 : 0;
-                               hw->ext_buttons |= ((buf[4] & 0x08)) ? 0x40 : 0;
-                       case 6:
-                               hw->ext_buttons |= ((buf[5] & 0x04)) ? 0x20 : 0;
-                               hw->ext_buttons |= ((buf[4] & 0x04)) ? 0x10 : 0;
-                       case 4:
-                               hw->ext_buttons |= ((buf[5] & 0x02)) ? 0x08 : 0;
-                               hw->ext_buttons |= ((buf[4] & 0x02)) ? 0x04 : 0;
-                       case 2:
-                               hw->ext_buttons |= ((buf[5] & 0x01)) ? 0x02 : 0;
-                               hw->ext_buttons |= ((buf[4] & 0x01)) ? 0x01 : 0;
-                       }
+                       synaptics_parse_ext_buttons(buf, priv, hw);
                }
        } else {
                hw->x = (((buf[1] & 0x1f) << 8) | buf[2]);
@@ -774,12 +835,54 @@ static void synaptics_report_semi_mt_data(struct input_dev *dev,
        }
 }
 
+static void synaptics_report_ext_buttons(struct psmouse *psmouse,
+                                        const struct synaptics_hw_state *hw)
+{
+       struct input_dev *dev = psmouse->dev;
+       struct synaptics_data *priv = psmouse->private;
+       int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1;
+       char buf[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+       int i;
+
+       if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
+               return;
+
+       /* Bug in FW 8.1, buttons are reported only when ExtBit is 1 */
+       if (SYN_ID_FULL(priv->identity) == 0x801 &&
+           !((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02))
+               return;
+
+       if (!SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10)) {
+               for (i = 0; i < ext_bits; i++) {
+                       input_report_key(dev, BTN_0 + 2 * i,
+                               hw->ext_buttons & (1 << i));
+                       input_report_key(dev, BTN_1 + 2 * i,
+                               hw->ext_buttons & (1 << (i + ext_bits)));
+               }
+               return;
+       }
+
+       /*
+        * This generation of touchpads has the trackstick buttons
+        * physically wired to the touchpad. Re-route them through
+        * the pass-through interface.
+        */
+       if (!priv->pt_port)
+               return;
+
+       /* The trackstick expects at most 3 buttons */
+       priv->pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons)      |
+                          SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 |
+                          SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2;
+
+       synaptics_pass_pt_packet(psmouse, priv->pt_port, buf);
+}
+
 static void synaptics_report_buttons(struct psmouse *psmouse,
                                     const struct synaptics_hw_state *hw)
 {
        struct input_dev *dev = psmouse->dev;
        struct synaptics_data *priv = psmouse->private;
-       int i;
 
        input_report_key(dev, BTN_LEFT, hw->left);
        input_report_key(dev, BTN_RIGHT, hw->right);
@@ -792,8 +895,7 @@ static void synaptics_report_buttons(struct psmouse *psmouse,
                input_report_key(dev, BTN_BACK, hw->down);
        }
 
-       for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
-               input_report_key(dev, BTN_0 + i, hw->ext_buttons & (1 << i));
+       synaptics_report_ext_buttons(psmouse, hw);
 }
 
 static void synaptics_report_mt_data(struct psmouse *psmouse,
@@ -1014,7 +1116,8 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
                if (SYN_CAP_PASS_THROUGH(priv->capabilities) &&
                    synaptics_is_pt_packet(psmouse->packet)) {
                        if (priv->pt_port)
-                               synaptics_pass_pt_packet(priv->pt_port, psmouse->packet);
+                               synaptics_pass_pt_packet(psmouse, priv->pt_port,
+                                                        psmouse->packet);
                } else
                        synaptics_process_packet(psmouse);
 
@@ -1116,8 +1219,9 @@ static void set_input_params(struct psmouse *psmouse,
                __set_bit(BTN_BACK, dev->keybit);
        }
 
-       for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
-               __set_bit(BTN_0 + i, dev->keybit);
+       if (!SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10))
+               for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
+                       __set_bit(BTN_0 + i, dev->keybit);
 
        __clear_bit(EV_REL, dev->evbit);
        __clear_bit(REL_X, dev->relbit);
@@ -1125,7 +1229,8 @@ static void set_input_params(struct psmouse *psmouse,
 
        if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
                __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
-               if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids))
+               if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) &&
+                   !SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10))
                        __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit);
                /* Clickpads report only left button */
                __clear_bit(BTN_RIGHT, dev->keybit);