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Diffstat (limited to 'drivers/input/mouse/alps.c')
-rw-r--r--drivers/input/mouse/alps.c544
1 files changed, 334 insertions, 210 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index d88d73d83552..d28726a0ef85 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -99,36 +99,58 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = {
#define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */
#define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with
6-byte ALPS packet */
-#define ALPS_IS_RUSHMORE 0x100 /* device is a rushmore */
#define ALPS_BUTTONPAD 0x200 /* device is a clickpad */
static const struct alps_model_info alps_model_data[] = {
- { { 0x32, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */
- { { 0x33, 0x02, 0x0a }, 0x00, ALPS_PROTO_V1, 0x88, 0xf8, 0 }, /* UMAX-530T */
- { { 0x53, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 },
- { { 0x53, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 },
- { { 0x60, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, /* HP ze1115 */
- { { 0x63, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 },
- { { 0x63, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 },
- { { 0x63, 0x02, 0x28 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */
- { { 0x63, 0x02, 0x3c }, 0x00, ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */
- { { 0x63, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */
- { { 0x63, 0x02, 0x64 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 },
- { { 0x63, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */
- { { 0x73, 0x00, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */
- { { 0x73, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 },
- { { 0x73, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */
- { { 0x20, 0x02, 0x0e }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */
- { { 0x22, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT },
- { { 0x22, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */
+ { { 0x32, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Toshiba Salellite Pro M10 */
+ { { 0x33, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V1, 0x88, 0xf8, 0 } }, /* UMAX-530T */
+ { { 0x53, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x53, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x60, 0x03, 0xc8 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, /* HP ze1115 */
+ { { 0x63, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x63, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x63, 0x02, 0x28 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Fujitsu Siemens S6010 */
+ { { 0x63, 0x02, 0x3c }, 0x00, { ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL } }, /* Toshiba Satellite S2400-103 */
+ { { 0x63, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 } }, /* NEC Versa L320 */
+ { { 0x63, 0x02, 0x64 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x63, 0x03, 0xc8 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D800 */
+ { { 0x73, 0x00, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT } }, /* ThinkPad R61 8918-5QG */
+ { { 0x73, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
+ { { 0x73, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Ahtec Laptop */
+
+ /*
+ * XXX This entry is suspicious. First byte has zero lower nibble,
+ * which is what a normal mouse would report. Also, the value 0x0e
+ * isn't valid per PS/2 spec.
+ */
+ { { 0x20, 0x02, 0x0e }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
+
+ { { 0x22, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } },
+ { { 0x22, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D600 */
/* Dell Latitude E5500, E6400, E6500, Precision M4400 */
- { { 0x62, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf,
- ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },
- { { 0x73, 0x00, 0x14 }, 0x00, ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT }, /* Dell XT2 */
- { { 0x73, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */
- { { 0x52, 0x01, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff,
- ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */
- { { 0x73, 0x02, 0x64 }, 0x8a, ALPS_PROTO_V4, 0x8f, 0x8f, 0 },
+ { { 0x62, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf,
+ ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } },
+ { { 0x73, 0x00, 0x14 }, 0x00, { ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT } }, /* Dell XT2 */
+ { { 0x73, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } }, /* Dell Vostro 1400 */
+ { { 0x52, 0x01, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff,
+ ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* Toshiba Tecra A11-11L */
+ { { 0x73, 0x02, 0x64 }, 0x8a, { ALPS_PROTO_V4, 0x8f, 0x8f, 0 } },
+};
+
+static const struct alps_protocol_info alps_v3_protocol_data = {
+ ALPS_PROTO_V3, 0x8f, 0x8f, ALPS_DUALPOINT
+};
+
+static const struct alps_protocol_info alps_v3_rushmore_data = {
+ ALPS_PROTO_V3_RUSHMORE, 0x8f, 0x8f, ALPS_DUALPOINT
+};
+
+static const struct alps_protocol_info alps_v5_protocol_data = {
+ ALPS_PROTO_V5, 0xc8, 0xd8, 0
+};
+
+static const struct alps_protocol_info alps_v7_protocol_data = {
+ ALPS_PROTO_V7, 0x48, 0x48, ALPS_DUALPOINT
};
static void alps_set_abs_params_st(struct alps_data *priv,
@@ -136,12 +158,6 @@ static void alps_set_abs_params_st(struct alps_data *priv,
static void alps_set_abs_params_mt(struct alps_data *priv,
struct input_dev *dev1);
-/*
- * XXX - this entry is suspicious. First byte has zero lower nibble,
- * which is what a normal mouse would report. Also, the value 0x0e
- * isn't valid per PS/2 spec.
- */
-
/* Packet formats are described in Documentation/input/alps.txt */
static bool alps_is_valid_first_byte(struct alps_data *priv,
@@ -150,8 +166,7 @@ static bool alps_is_valid_first_byte(struct alps_data *priv,
return (data & priv->mask0) == priv->byte0;
}
-static void alps_report_buttons(struct psmouse *psmouse,
- struct input_dev *dev1, struct input_dev *dev2,
+static void alps_report_buttons(struct input_dev *dev1, struct input_dev *dev2,
int left, int right, int middle)
{
struct input_dev *dev;
@@ -161,20 +176,21 @@ static void alps_report_buttons(struct psmouse *psmouse,
* other device (dev2) then this event should be also
* sent through that device.
*/
- dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1;
+ dev = (dev2 && test_bit(BTN_LEFT, dev2->key)) ? dev2 : dev1;
input_report_key(dev, BTN_LEFT, left);
- dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1;
+ dev = (dev2 && test_bit(BTN_RIGHT, dev2->key)) ? dev2 : dev1;
input_report_key(dev, BTN_RIGHT, right);
- dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1;
+ dev = (dev2 && test_bit(BTN_MIDDLE, dev2->key)) ? dev2 : dev1;
input_report_key(dev, BTN_MIDDLE, middle);
/*
* Sync the _other_ device now, we'll do the first
* device later once we report the rest of the events.
*/
- input_sync(dev2);
+ if (dev2)
+ input_sync(dev2);
}
static void alps_process_packet_v1_v2(struct psmouse *psmouse)
@@ -221,13 +237,13 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x));
input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y));
- alps_report_buttons(psmouse, dev2, dev, left, right, middle);
+ alps_report_buttons(dev2, dev, left, right, middle);
input_sync(dev2);
return;
}
- alps_report_buttons(psmouse, dev, dev2, left, right, middle);
+ alps_report_buttons(dev, dev2, left, right, middle);
/* Convert hardware tap to a reasonable Z value */
if (ges && !fin)
@@ -412,7 +428,7 @@ static int alps_process_bitmap(struct alps_data *priv,
(2 * (priv->y_bits - 1));
/* y-bitmap order is reversed, except on rushmore */
- if (!(priv->flags & ALPS_IS_RUSHMORE)) {
+ if (priv->proto_version != ALPS_PROTO_V3_RUSHMORE) {
fields->mt[0].y = priv->y_max - fields->mt[0].y;
fields->mt[1].y = priv->y_max - fields->mt[1].y;
}
@@ -435,7 +451,7 @@ static void alps_report_mt_data(struct psmouse *psmouse, int n)
struct alps_fields *f = &priv->f;
int i, slot[MAX_TOUCHES];
- input_mt_assign_slots(dev, slot, f->mt, n);
+ input_mt_assign_slots(dev, slot, f->mt, n, 0);
for (i = 0; i < n; i++)
alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y);
@@ -475,6 +491,13 @@ static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
struct input_dev *dev = priv->dev2;
int x, y, z, left, right, middle;
+ /* It should be a DualPoint when received trackstick packet */
+ if (!(priv->flags & ALPS_DUALPOINT)) {
+ psmouse_warn(psmouse,
+ "Rejected trackstick packet from non DualPoint device");
+ return;
+ }
+
/* Sanity check packet */
if (!(packet[0] & 0x40)) {
psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n");
@@ -641,7 +664,8 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
*/
if (f->is_mp) {
fingers = f->fingers;
- if (priv->proto_version == ALPS_PROTO_V3) {
+ if (priv->proto_version == ALPS_PROTO_V3 ||
+ priv->proto_version == ALPS_PROTO_V3_RUSHMORE) {
if (alps_process_bitmap(priv, f) == 0)
fingers = 0; /* Use st data */
@@ -699,7 +723,8 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
alps_report_semi_mt_data(psmouse, fingers);
- if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) {
+ if ((priv->flags & ALPS_DUALPOINT) &&
+ !(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) {
input_report_key(dev2, BTN_LEFT, f->ts_left);
input_report_key(dev2, BTN_RIGHT, f->ts_right);
input_report_key(dev2, BTN_MIDDLE, f->ts_middle);
@@ -743,8 +768,11 @@ static void alps_process_packet_v6(struct psmouse *psmouse)
*/
if (packet[5] == 0x7F) {
/* It should be a DualPoint when received Trackpoint packet */
- if (!(priv->flags & ALPS_DUALPOINT))
+ if (!(priv->flags & ALPS_DUALPOINT)) {
+ psmouse_warn(psmouse,
+ "Rejected trackstick packet from non DualPoint device");
return;
+ }
/* Trackpoint packet */
x = packet[1] | ((packet[3] & 0x20) << 2);
@@ -881,34 +909,6 @@ static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt,
unsigned char *pkt,
unsigned char pkt_id)
{
- /*
- * packet-fmt b7 b6 b5 b4 b3 b2 b1 b0
- * Byte0 TWO & MULTI L 1 R M 1 Y0-2 Y0-1 Y0-0
- * Byte0 NEW L 1 X1-5 1 1 Y0-2 Y0-1 Y0-0
- * Byte1 Y0-10 Y0-9 Y0-8 Y0-7 Y0-6 Y0-5 Y0-4 Y0-3
- * Byte2 X0-11 1 X0-10 X0-9 X0-8 X0-7 X0-6 X0-5
- * Byte3 X1-11 1 X0-4 X0-3 1 X0-2 X0-1 X0-0
- * Byte4 TWO X1-10 TWO X1-9 X1-8 X1-7 X1-6 X1-5 X1-4
- * Byte4 MULTI X1-10 TWO X1-9 X1-8 X1-7 X1-6 Y1-5 1
- * Byte4 NEW X1-10 TWO X1-9 X1-8 X1-7 X1-6 0 0
- * Byte5 TWO & NEW Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 Y1-5 Y1-4
- * Byte5 MULTI Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 F-1 F-0
- * L: Left button
- * R / M: Non-clickpads: Right / Middle button
- * Clickpads: When > 2 fingers are down, and some fingers
- * are in the button area, then the 2 coordinates reported
- * are for fingers outside the button area and these report
- * extra fingers being present in the right / left button
- * area. Note these fingers are not added to the F field!
- * so if a TWO packet is received and R = 1 then there are
- * 3 fingers down, etc.
- * TWO: 1: Two touches present, byte 0/4/5 are in TWO fmt
- * 0: If byte 4 bit 0 is 1, then byte 0/4/5 are in MULTI fmt
- * otherwise byte 0 bit 4 must be set and byte 0/4/5 are
- * in NEW fmt
- * F: Number of fingers - 3, 0 means 3 fingers, 1 means 4 ...
- */
-
mt[0].x = ((pkt[2] & 0x80) << 4);
mt[0].x |= ((pkt[2] & 0x3F) << 5);
mt[0].x |= ((pkt[3] & 0x30) >> 1);
@@ -1026,16 +1026,12 @@ static void alps_process_trackstick_packet_v7(struct psmouse *psmouse)
struct input_dev *dev2 = priv->dev2;
int x, y, z, left, right, middle;
- /*
- * b7 b6 b5 b4 b3 b2 b1 b0
- * Byte0 0 1 0 0 1 0 0 0
- * Byte1 1 1 * * 1 M R L
- * Byte2 X7 1 X5 X4 X3 X2 X1 X0
- * Byte3 Z6 1 Y6 X6 1 Y2 Y1 Y0
- * Byte4 Y7 0 Y5 Y4 Y3 1 1 0
- * Byte5 T&P 0 Z5 Z4 Z3 Z2 Z1 Z0
- * M / R / L: Middle / Right / Left button
- */
+ /* It should be a DualPoint when received trackstick packet */
+ if (!(priv->flags & ALPS_DUALPOINT)) {
+ psmouse_warn(psmouse,
+ "Rejected trackstick packet from non DualPoint device");
+ return;
+ }
x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2);
y = (packet[3] & 0x07) | (packet[4] & 0xb8) |
@@ -1089,23 +1085,89 @@ static void alps_process_packet_v7(struct psmouse *psmouse)
alps_process_touchpad_packet_v7(psmouse);
}
-static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
+static DEFINE_MUTEX(alps_mutex);
+
+static void alps_register_bare_ps2_mouse(struct work_struct *work)
+{
+ struct alps_data *priv =
+ container_of(work, struct alps_data, dev3_register_work.work);
+ struct psmouse *psmouse = priv->psmouse;
+ struct input_dev *dev3;
+ int error = 0;
+
+ mutex_lock(&alps_mutex);
+
+ if (priv->dev3)
+ goto out;
+
+ dev3 = input_allocate_device();
+ if (!dev3) {
+ psmouse_err(psmouse, "failed to allocate secondary device\n");
+ error = -ENOMEM;
+ goto out;
+ }
+
+ snprintf(priv->phys3, sizeof(priv->phys3), "%s/%s",
+ psmouse->ps2dev.serio->phys,
+ (priv->dev2 ? "input2" : "input1"));
+ dev3->phys = priv->phys3;
+
+ /*
+ * format of input device name is: "protocol vendor name"
+ * see function psmouse_switch_protocol() in psmouse-base.c
+ */
+ dev3->name = "PS/2 ALPS Mouse";
+
+ dev3->id.bustype = BUS_I8042;
+ dev3->id.vendor = 0x0002;
+ dev3->id.product = PSMOUSE_PS2;
+ dev3->id.version = 0x0000;
+ dev3->dev.parent = &psmouse->ps2dev.serio->dev;
+
+ input_set_capability(dev3, EV_REL, REL_X);
+ input_set_capability(dev3, EV_REL, REL_Y);
+ input_set_capability(dev3, EV_KEY, BTN_LEFT);
+ input_set_capability(dev3, EV_KEY, BTN_RIGHT);
+ input_set_capability(dev3, EV_KEY, BTN_MIDDLE);
+
+ __set_bit(INPUT_PROP_POINTER, dev3->propbit);
+
+ error = input_register_device(dev3);
+ if (error) {
+ psmouse_err(psmouse,
+ "failed to register secondary device: %d\n",
+ error);
+ input_free_device(dev3);
+ goto out;
+ }
+
+ priv->dev3 = dev3;
+
+out:
+ /*
+ * Save the error code so that we can detect that we
+ * already tried to create the device.
+ */
+ if (error)
+ priv->dev3 = ERR_PTR(error);
+
+ mutex_unlock(&alps_mutex);
+}
+
+static void alps_report_bare_ps2_packet(struct input_dev *dev,
unsigned char packet[],
bool report_buttons)
{
- struct alps_data *priv = psmouse->private;
- struct input_dev *dev2 = priv->dev2;
-
if (report_buttons)
- alps_report_buttons(psmouse, dev2, psmouse->dev,
+ alps_report_buttons(dev, NULL,
packet[0] & 1, packet[0] & 2, packet[0] & 4);
- input_report_rel(dev2, REL_X,
+ input_report_rel(dev, REL_X,
packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0);
- input_report_rel(dev2, REL_Y,
+ input_report_rel(dev, REL_Y,
packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0);
- input_sync(dev2);
+ input_sync(dev);
}
static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse)
@@ -1170,8 +1232,8 @@ static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse)
* de-synchronization.
*/
- alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3],
- false);
+ alps_report_bare_ps2_packet(priv->dev2,
+ &psmouse->packet[3], false);
/*
* Continue with the standard ALPS protocol handling,
@@ -1227,9 +1289,18 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
* properly we only do this if the device is fully synchronized.
*/
if (!psmouse->out_of_sync_cnt && (psmouse->packet[0] & 0xc8) == 0x08) {
+
+ /* Register dev3 mouse if we received PS/2 packet first time */
+ if (unlikely(!priv->dev3))
+ psmouse_queue_work(psmouse,
+ &priv->dev3_register_work, 0);
+
if (psmouse->pktcnt == 3) {
- alps_report_bare_ps2_packet(psmouse, psmouse->packet,
- true);
+ /* Once dev3 mouse device is registered report data */
+ if (likely(!IS_ERR_OR_NULL(priv->dev3)))
+ alps_report_bare_ps2_packet(priv->dev3,
+ psmouse->packet,
+ true);
return PSMOUSE_FULL_PACKET;
}
return PSMOUSE_GOOD_DATA;
@@ -1257,7 +1328,7 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
psmouse->pktcnt - 1,
psmouse->packet[psmouse->pktcnt - 1]);
- if (priv->proto_version == ALPS_PROTO_V3 &&
+ if (priv->proto_version == ALPS_PROTO_V3_RUSHMORE &&
psmouse->pktcnt == psmouse->pktsize) {
/*
* Some Dell boxes, such as Latitude E6440 or E7440
@@ -1762,7 +1833,7 @@ static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base)
* all.
*/
if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) {
- psmouse_warn(psmouse, "trackstick E7 report failed\n");
+ psmouse_warn(psmouse, "Failed to initialize trackstick (E7 report failed)\n");
ret = -ENODEV;
} else {
psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param);
@@ -1927,8 +1998,6 @@ static int alps_hw_init_rushmore_v3(struct psmouse *psmouse)
ALPS_REG_BASE_RUSHMORE);
if (reg_val == -EIO)
goto error;
- if (reg_val == -ENODEV)
- priv->flags &= ~ALPS_DUALPOINT;
}
if (alps_enter_command_mode(psmouse) ||
@@ -2144,11 +2213,18 @@ error:
return ret;
}
-static void alps_set_defaults(struct alps_data *priv)
+static int alps_set_protocol(struct psmouse *psmouse,
+ struct alps_data *priv,
+ const struct alps_protocol_info *protocol)
{
- priv->byte0 = 0x8f;
- priv->mask0 = 0x8f;
- priv->flags = ALPS_DUALPOINT;
+ psmouse->private = priv;
+
+ setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse);
+
+ priv->proto_version = protocol->version;
+ priv->byte0 = protocol->byte0;
+ priv->mask0 = protocol->mask0;
+ priv->flags = protocol->flags;
priv->x_max = 2000;
priv->y_max = 1400;
@@ -2164,6 +2240,7 @@ static void alps_set_defaults(struct alps_data *priv)
priv->x_max = 1023;
priv->y_max = 767;
break;
+
case ALPS_PROTO_V3:
priv->hw_init = alps_hw_init_v3;
priv->process_packet = alps_process_packet_v3;
@@ -2172,6 +2249,23 @@ static void alps_set_defaults(struct alps_data *priv)
priv->nibble_commands = alps_v3_nibble_commands;
priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
break;
+
+ case ALPS_PROTO_V3_RUSHMORE:
+ priv->hw_init = alps_hw_init_rushmore_v3;
+ priv->process_packet = alps_process_packet_v3;
+ priv->set_abs_params = alps_set_abs_params_mt;
+ priv->decode_fields = alps_decode_rushmore;
+ priv->nibble_commands = alps_v3_nibble_commands;
+ priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
+ priv->x_bits = 16;
+ priv->y_bits = 12;
+
+ if (alps_probe_trackstick_v3(psmouse,
+ ALPS_REG_BASE_RUSHMORE) < 0)
+ priv->flags &= ~ALPS_DUALPOINT;
+
+ break;
+
case ALPS_PROTO_V4:
priv->hw_init = alps_hw_init_v4;
priv->process_packet = alps_process_packet_v4;
@@ -2179,6 +2273,7 @@ static void alps_set_defaults(struct alps_data *priv)
priv->nibble_commands = alps_v4_nibble_commands;
priv->addr_command = PSMOUSE_CMD_DISABLE;
break;
+
case ALPS_PROTO_V5:
priv->hw_init = alps_hw_init_dolphin_v1;
priv->process_packet = alps_process_touchpad_packet_v3_v5;
@@ -2186,14 +2281,12 @@ static void alps_set_defaults(struct alps_data *priv)
priv->set_abs_params = alps_set_abs_params_mt;
priv->nibble_commands = alps_v3_nibble_commands;
priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
- priv->byte0 = 0xc8;
- priv->mask0 = 0xd8;
- priv->flags = 0;
priv->x_max = 1360;
priv->y_max = 660;
priv->x_bits = 23;
priv->y_bits = 12;
break;
+
case ALPS_PROTO_V6:
priv->hw_init = alps_hw_init_v6;
priv->process_packet = alps_process_packet_v6;
@@ -2202,6 +2295,7 @@ static void alps_set_defaults(struct alps_data *priv)
priv->x_max = 2047;
priv->y_max = 1535;
break;
+
case ALPS_PROTO_V7:
priv->hw_init = alps_hw_init_v7;
priv->process_packet = alps_process_packet_v7;
@@ -2209,19 +2303,21 @@ static void alps_set_defaults(struct alps_data *priv)
priv->set_abs_params = alps_set_abs_params_mt;
priv->nibble_commands = alps_v3_nibble_commands;
priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
- priv->x_max = 0xfff;
- priv->y_max = 0x7ff;
- priv->byte0 = 0x48;
- priv->mask0 = 0x48;
+
+ if (alps_dolphin_get_device_area(psmouse, priv))
+ return -EIO;
if (priv->fw_ver[1] != 0xba)
priv->flags |= ALPS_BUTTONPAD;
+
break;
}
+
+ return 0;
}
-static int alps_match_table(struct psmouse *psmouse, struct alps_data *priv,
- unsigned char *e7, unsigned char *ec)
+static const struct alps_protocol_info *alps_match_table(unsigned char *e7,
+ unsigned char *ec)
{
const struct alps_model_info *model;
int i;
@@ -2233,23 +2329,18 @@ static int alps_match_table(struct psmouse *psmouse, struct alps_data *priv,
(!model->command_mode_resp ||
model->command_mode_resp == ec[2])) {
- priv->proto_version = model->proto_version;
- alps_set_defaults(priv);
-
- priv->flags = model->flags;
- priv->byte0 = model->byte0;
- priv->mask0 = model->mask0;
-
- return 0;
+ return &model->protocol_info;
}
}
- return -EINVAL;
+ return NULL;
}
static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
{
+ const struct alps_protocol_info *protocol;
unsigned char e6[4], e7[4], ec[4];
+ int error;
/*
* First try "E6 report".
@@ -2275,54 +2366,35 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
alps_exit_command_mode(psmouse))
return -EIO;
- /* Save the Firmware version */
- memcpy(priv->fw_ver, ec, 3);
-
- if (alps_match_table(psmouse, priv, e7, ec) == 0) {
- return 0;
- } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 &&
- ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) {
- priv->proto_version = ALPS_PROTO_V5;
- alps_set_defaults(priv);
- if (alps_dolphin_get_device_area(psmouse, priv))
- return -EIO;
- else
- return 0;
- } else if (ec[0] == 0x88 &&
- ((ec[1] & 0xf0) == 0xb0 || (ec[1] & 0xf0) == 0xc0)) {
- priv->proto_version = ALPS_PROTO_V7;
- alps_set_defaults(priv);
-
- return 0;
- } else if (ec[0] == 0x88 && ec[1] == 0x08) {
- priv->proto_version = ALPS_PROTO_V3;
- alps_set_defaults(priv);
-
- priv->hw_init = alps_hw_init_rushmore_v3;
- priv->decode_fields = alps_decode_rushmore;
- priv->x_bits = 16;
- priv->y_bits = 12;
- priv->flags |= ALPS_IS_RUSHMORE;
-
- /* hack to make addr_command, nibble_command available */
- psmouse->private = priv;
-
- if (alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_RUSHMORE))
- priv->flags &= ~ALPS_DUALPOINT;
-
- return 0;
- } else if (ec[0] == 0x88 && ec[1] == 0x07 &&
- ec[2] >= 0x90 && ec[2] <= 0x9d) {
- priv->proto_version = ALPS_PROTO_V3;
- alps_set_defaults(priv);
-
- return 0;
+ protocol = alps_match_table(e7, ec);
+ if (!protocol) {
+ if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 &&
+ ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) {
+ protocol = &alps_v5_protocol_data;
+ } else if (ec[0] == 0x88 &&
+ ((ec[1] & 0xf0) == 0xb0 || (ec[1] & 0xf0) == 0xc0)) {
+ protocol = &alps_v7_protocol_data;
+ } else if (ec[0] == 0x88 && ec[1] == 0x08) {
+ protocol = &alps_v3_rushmore_data;
+ } else if (ec[0] == 0x88 && ec[1] == 0x07 &&
+ ec[2] >= 0x90 && ec[2] <= 0x9d) {
+ protocol = &alps_v3_protocol_data;
+ } else {
+ psmouse_dbg(psmouse,
+ "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
+ return -EINVAL;
+ }
}
- psmouse_dbg(psmouse,
- "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
+ if (priv) {
+ /* Save the Firmware version */
+ memcpy(priv->fw_ver, ec, 3);
+ error = alps_set_protocol(psmouse, priv, protocol);
+ if (error)
+ return error;
+ }
- return -EINVAL;
+ return 0;
}
static int alps_reconnect(struct psmouse *psmouse)
@@ -2343,7 +2415,10 @@ static void alps_disconnect(struct psmouse *psmouse)
psmouse_reset(psmouse);
del_timer_sync(&priv->timer);
- input_unregister_device(priv->dev2);
+ if (priv->dev2)
+ input_unregister_device(priv->dev2);
+ if (!IS_ERR_OR_NULL(priv->dev3))
+ input_unregister_device(priv->dev3);
kfree(priv);
}
@@ -2376,25 +2451,12 @@ static void alps_set_abs_params_mt(struct alps_data *priv,
int alps_init(struct psmouse *psmouse)
{
- struct alps_data *priv;
- struct input_dev *dev1 = psmouse->dev, *dev2;
-
- priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL);
- dev2 = input_allocate_device();
- if (!priv || !dev2)
- goto init_fail;
-
- priv->dev2 = dev2;
- setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse);
-
- psmouse->private = priv;
-
- psmouse_reset(psmouse);
-
- if (alps_identify(psmouse, priv) < 0)
- goto init_fail;
+ struct alps_data *priv = psmouse->private;
+ struct input_dev *dev1 = psmouse->dev;
+ int error;
- if (priv->hw_init(psmouse))
+ error = priv->hw_init(psmouse);
+ if (error)
goto init_fail;
/*
@@ -2443,27 +2505,58 @@ int alps_init(struct psmouse *psmouse)
dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE);
}
- snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys);
- dev2->phys = priv->phys;
- dev2->name = (priv->flags & ALPS_DUALPOINT) ?
- "DualPoint Stick" : "ALPS PS/2 Device";
- dev2->id.bustype = BUS_I8042;
- dev2->id.vendor = 0x0002;
- dev2->id.product = PSMOUSE_ALPS;
- dev2->id.version = 0x0000;
- dev2->dev.parent = &psmouse->ps2dev.serio->dev;
+ if (priv->flags & ALPS_DUALPOINT) {
+ struct input_dev *dev2;
+
+ dev2 = input_allocate_device();
+ if (!dev2) {
+ psmouse_err(psmouse,
+ "failed to allocate trackstick device\n");
+ error = -ENOMEM;
+ goto init_fail;
+ }
+
+ snprintf(priv->phys2, sizeof(priv->phys2), "%s/input1",
+ psmouse->ps2dev.serio->phys);
+ dev2->phys = priv->phys2;
+
+ /*
+ * format of input device name is: "protocol vendor name"
+ * see function psmouse_switch_protocol() in psmouse-base.c
+ */
+ dev2->name = "AlpsPS/2 ALPS DualPoint Stick";
+
+ dev2->id.bustype = BUS_I8042;
+ dev2->id.vendor = 0x0002;
+ dev2->id.product = PSMOUSE_ALPS;
+ dev2->id.version = priv->proto_version;
+ dev2->dev.parent = &psmouse->ps2dev.serio->dev;
- dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
- dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
- dev2->keybit[BIT_WORD(BTN_LEFT)] =
- BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
+ input_set_capability(dev2, EV_REL, REL_X);
+ input_set_capability(dev2, EV_REL, REL_Y);
+ input_set_capability(dev2, EV_KEY, BTN_LEFT);
+ input_set_capability(dev2, EV_KEY, BTN_RIGHT);
+ input_set_capability(dev2, EV_KEY, BTN_MIDDLE);
- __set_bit(INPUT_PROP_POINTER, dev2->propbit);
- if (priv->flags & ALPS_DUALPOINT)
+ __set_bit(INPUT_PROP_POINTER, dev2->propbit);
__set_bit(INPUT_PROP_POINTING_STICK, dev2->propbit);
- if (input_register_device(priv->dev2))
- goto init_fail;
+ error = input_register_device(dev2);
+ if (error) {
+ psmouse_err(psmouse,
+ "failed to register trackstick device: %d\n",
+ error);
+ input_free_device(dev2);
+ goto init_fail;
+ }
+
+ priv->dev2 = dev2;
+ }
+
+ priv->psmouse = psmouse;
+
+ INIT_DELAYED_WORK(&priv->dev3_register_work,
+ alps_register_bare_ps2_mouse);
psmouse->protocol_handler = alps_process_byte;
psmouse->poll = alps_poll;
@@ -2481,25 +2574,56 @@ int alps_init(struct psmouse *psmouse)
init_fail:
psmouse_reset(psmouse);
- input_free_device(dev2);
- kfree(priv);
+ /*
+ * Even though we did not allocate psmouse->private we do free
+ * it here.
+ */
+ kfree(psmouse->private);
psmouse->private = NULL;
- return -1;
+ return error;
}
int alps_detect(struct psmouse *psmouse, bool set_properties)
{
- struct alps_data dummy;
+ struct alps_data *priv;
+ int error;
- if (alps_identify(psmouse, &dummy) < 0)
- return -1;
+ error = alps_identify(psmouse, NULL);
+ if (error)
+ return error;
+
+ /*
+ * Reset the device to make sure it is fully operational:
+ * on some laptops, like certain Dell Latitudes, we may
+ * fail to properly detect presence of trackstick if device
+ * has not been reset.
+ */
+ psmouse_reset(psmouse);
+
+ priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ error = alps_identify(psmouse, priv);
+ if (error)
+ return error;
if (set_properties) {
psmouse->vendor = "ALPS";
- psmouse->name = dummy.flags & ALPS_DUALPOINT ?
+ psmouse->name = priv->flags & ALPS_DUALPOINT ?
"DualPoint TouchPad" : "GlidePoint";
- psmouse->model = dummy.proto_version << 8;
+ psmouse->model = priv->proto_version;
+ } else {
+ /*
+ * Destroy alps_data structure we allocated earlier since
+ * this was just a "trial run". Otherwise we'll keep it
+ * to be used by alps_init() which has to be called if
+ * we succeed and set_properties is true.
+ */
+ kfree(priv);
+ psmouse->private = NULL;
}
+
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.