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path: root/drivers/input/mouse/alps.c
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Diffstat (limited to 'drivers/input/mouse/alps.c')
-rw-r--r--drivers/input/mouse/alps.c1287
1 files changed, 907 insertions, 380 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 4c6a72d3d48..fb15c64ffb9 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -27,14 +27,11 @@
/*
* Definitions for ALPS version 3 and 4 command mode protocol
*/
-#define ALPS_V3_X_MAX 2000
-#define ALPS_V3_Y_MAX 1400
-
-#define ALPS_BITMAP_X_BITS 15
-#define ALPS_BITMAP_Y_BITS 11
-
#define ALPS_CMD_NIBBLE_10 0x01f2
+#define ALPS_REG_BASE_RUSHMORE 0xc2c0
+#define ALPS_REG_BASE_PINNACLE 0x0000
+
static const struct alps_nibble_commands alps_v3_nibble_commands[] = {
{ PSMOUSE_CMD_SETPOLL, 0x00 }, /* 0 */
{ PSMOUSE_CMD_RESET_DIS, 0x00 }, /* 1 */
@@ -73,6 +70,25 @@ static const struct alps_nibble_commands alps_v4_nibble_commands[] = {
{ PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */
};
+static const struct alps_nibble_commands alps_v6_nibble_commands[] = {
+ { PSMOUSE_CMD_ENABLE, 0x00 }, /* 0 */
+ { PSMOUSE_CMD_SETRATE, 0x0a }, /* 1 */
+ { PSMOUSE_CMD_SETRATE, 0x14 }, /* 2 */
+ { PSMOUSE_CMD_SETRATE, 0x28 }, /* 3 */
+ { PSMOUSE_CMD_SETRATE, 0x3c }, /* 4 */
+ { PSMOUSE_CMD_SETRATE, 0x50 }, /* 5 */
+ { PSMOUSE_CMD_SETRATE, 0x64 }, /* 6 */
+ { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 7 */
+ { PSMOUSE_CMD_GETID, 0x00 }, /* 8 */
+ { PSMOUSE_CMD_GETINFO, 0x00 }, /* 9 */
+ { PSMOUSE_CMD_SETRES, 0x00 }, /* a */
+ { PSMOUSE_CMD_SETRES, 0x01 }, /* b */
+ { PSMOUSE_CMD_SETRES, 0x02 }, /* c */
+ { PSMOUSE_CMD_SETRES, 0x03 }, /* d */
+ { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* e */
+ { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */
+};
+
#define ALPS_DUALPOINT 0x02 /* touchpad has trackstick */
#define ALPS_PASS 0x04 /* device has a pass-through port */
@@ -106,14 +122,18 @@ static const struct alps_model_info alps_model_data[] = {
/* 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 }, 0x9b, ALPS_PROTO_V3, 0x8f, 0x8f, ALPS_DUALPOINT },
- { { 0x73, 0x02, 0x64 }, 0x9d, ALPS_PROTO_V3, 0x8f, 0x8f, ALPS_DUALPOINT },
{ { 0x73, 0x02, 0x64 }, 0x8a, ALPS_PROTO_V4, 0x8f, 0x8f, 0 },
};
+static void alps_set_abs_params_st(struct alps_data *priv,
+ struct input_dev *dev1);
+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
@@ -122,10 +142,10 @@ static const struct alps_model_info alps_model_data[] = {
/* Packet formats are described in Documentation/input/alps.txt */
-static bool alps_is_valid_first_byte(const struct alps_model_info *model,
+static bool alps_is_valid_first_byte(struct alps_data *priv,
unsigned char data)
{
- return (data & model->mask0) == model->byte0;
+ return (data & priv->mask0) == priv->byte0;
}
static void alps_report_buttons(struct psmouse *psmouse,
@@ -158,14 +178,13 @@ static void alps_report_buttons(struct psmouse *psmouse,
static void alps_process_packet_v1_v2(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
- const struct alps_model_info *model = priv->i;
unsigned char *packet = psmouse->packet;
struct input_dev *dev = psmouse->dev;
struct input_dev *dev2 = priv->dev2;
int x, y, z, ges, fin, left, right, middle;
int back = 0, forward = 0;
- if (model->proto_version == ALPS_PROTO_V1) {
+ if (priv->proto_version == ALPS_PROTO_V1) {
left = packet[2] & 0x10;
right = packet[2] & 0x08;
middle = 0;
@@ -181,12 +200,12 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
z = packet[5];
}
- if (model->flags & ALPS_FW_BK_1) {
+ if (priv->flags & ALPS_FW_BK_1) {
back = packet[0] & 0x10;
forward = packet[2] & 4;
}
- if (model->flags & ALPS_FW_BK_2) {
+ if (priv->flags & ALPS_FW_BK_2) {
back = packet[3] & 4;
forward = packet[2] & 4;
if ((middle = forward && back))
@@ -196,7 +215,7 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
ges = packet[2] & 1;
fin = packet[2] & 2;
- if ((model->flags & ALPS_DUALPOINT) && z == 127) {
+ if ((priv->flags & ALPS_DUALPOINT) && z == 127) {
input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x));
input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y));
@@ -239,15 +258,15 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
input_report_abs(dev, ABS_PRESSURE, z);
input_report_key(dev, BTN_TOOL_FINGER, z > 0);
- if (model->flags & ALPS_WHEEL)
+ if (priv->flags & ALPS_WHEEL)
input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07));
- if (model->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
+ if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
input_report_key(dev, BTN_FORWARD, forward);
input_report_key(dev, BTN_BACK, back);
}
- if (model->flags & ALPS_FOUR_BUTTONS) {
+ if (priv->flags & ALPS_FOUR_BUTTONS) {
input_report_key(dev, BTN_0, packet[2] & 4);
input_report_key(dev, BTN_1, packet[0] & 0x10);
input_report_key(dev, BTN_2, packet[3] & 4);
@@ -258,6 +277,57 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
}
/*
+ * Process bitmap data for V5 protocols. Return value is null.
+ *
+ * The bitmaps don't have enough data to track fingers, so this function
+ * only generates points representing a bounding box of at most two contacts.
+ * These two points are returned in x1, y1, x2, and y2.
+ */
+static void alps_process_bitmap_dolphin(struct alps_data *priv,
+ struct alps_fields *fields,
+ int *x1, int *y1, int *x2, int *y2)
+{
+ int box_middle_x, box_middle_y;
+ unsigned int x_map, y_map;
+ unsigned char start_bit, end_bit;
+ unsigned char x_msb, x_lsb, y_msb, y_lsb;
+
+ x_map = fields->x_map;
+ y_map = fields->y_map;
+
+ if (!x_map || !y_map)
+ return;
+
+ /* Get Most-significant and Least-significant bit */
+ x_msb = fls(x_map);
+ x_lsb = ffs(x_map);
+ y_msb = fls(y_map);
+ y_lsb = ffs(y_map);
+
+ /* Most-significant bit should never exceed max sensor line number */
+ if (x_msb > priv->x_bits || y_msb > priv->y_bits)
+ return;
+
+ *x1 = *y1 = *x2 = *y2 = 0;
+
+ if (fields->fingers > 1) {
+ start_bit = priv->x_bits - x_msb;
+ end_bit = priv->x_bits - x_lsb;
+ box_middle_x = (priv->x_max * (start_bit + end_bit)) /
+ (2 * (priv->x_bits - 1));
+
+ start_bit = y_lsb - 1;
+ end_bit = y_msb - 1;
+ box_middle_y = (priv->y_max * (start_bit + end_bit)) /
+ (2 * (priv->y_bits - 1));
+ *x1 = fields->x;
+ *y1 = fields->y;
+ *x2 = 2 * box_middle_x - *x1;
+ *y2 = 2 * box_middle_y - *y1;
+ }
+}
+
+/*
* Process bitmap data from v3 and v4 protocols. Returns the number of
* fingers detected. A return value of 0 means at least one of the
* bitmaps was empty.
@@ -267,7 +337,8 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
* These points are returned in x1, y1, x2, and y2 when the return value
* is greater than 0.
*/
-static int alps_process_bitmap(unsigned int x_map, unsigned int y_map,
+static int alps_process_bitmap(struct alps_data *priv,
+ unsigned int x_map, unsigned int y_map,
int *x1, int *y1, int *x2, int *y2)
{
struct alps_bitmap_point {
@@ -309,7 +380,7 @@ static int alps_process_bitmap(unsigned int x_map, unsigned int y_map,
* y bitmap is reversed for what we need (lower positions are in
* higher bits), so we process from the top end.
*/
- y_map = y_map << (sizeof(y_map) * BITS_PER_BYTE - ALPS_BITMAP_Y_BITS);
+ y_map = y_map << (sizeof(y_map) * BITS_PER_BYTE - priv->y_bits);
prev_bit = 0;
point = &y_low;
for (i = 0; y_map != 0; i++, y_map <<= 1) {
@@ -355,16 +426,18 @@ static int alps_process_bitmap(unsigned int x_map, unsigned int y_map,
}
}
- *x1 = (ALPS_V3_X_MAX * (2 * x_low.start_bit + x_low.num_bits - 1)) /
- (2 * (ALPS_BITMAP_X_BITS - 1));
- *y1 = (ALPS_V3_Y_MAX * (2 * y_low.start_bit + y_low.num_bits - 1)) /
- (2 * (ALPS_BITMAP_Y_BITS - 1));
+ *x1 = (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
+ (2 * (priv->x_bits - 1));
+ *y1 = (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
+ (2 * (priv->y_bits - 1));
if (fingers > 1) {
- *x2 = (ALPS_V3_X_MAX * (2 * x_high.start_bit + x_high.num_bits - 1)) /
- (2 * (ALPS_BITMAP_X_BITS - 1));
- *y2 = (ALPS_V3_Y_MAX * (2 * y_high.start_bit + y_high.num_bits - 1)) /
- (2 * (ALPS_BITMAP_Y_BITS - 1));
+ *x2 = (priv->x_max *
+ (2 * x_high.start_bit + x_high.num_bits - 1)) /
+ (2 * (priv->x_bits - 1));
+ *y2 = (priv->y_max *
+ (2 * y_high.start_bit + y_high.num_bits - 1)) /
+ (2 * (priv->y_bits - 1));
}
return fingers;
@@ -448,17 +521,94 @@ static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
return;
}
-static void alps_process_touchpad_packet_v3(struct psmouse *psmouse)
+static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p)
+{
+ f->left = !!(p[3] & 0x01);
+ f->right = !!(p[3] & 0x02);
+ f->middle = !!(p[3] & 0x04);
+
+ f->ts_left = !!(p[3] & 0x10);
+ f->ts_right = !!(p[3] & 0x20);
+ f->ts_middle = !!(p[3] & 0x40);
+}
+
+static void alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
+ struct psmouse *psmouse)
+{
+ f->first_mp = !!(p[4] & 0x40);
+ f->is_mp = !!(p[0] & 0x40);
+
+ f->fingers = (p[5] & 0x3) + 1;
+ f->x_map = ((p[4] & 0x7e) << 8) |
+ ((p[1] & 0x7f) << 2) |
+ ((p[0] & 0x30) >> 4);
+ f->y_map = ((p[3] & 0x70) << 4) |
+ ((p[2] & 0x7f) << 1) |
+ (p[4] & 0x01);
+
+ f->x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
+ ((p[0] & 0x30) >> 4);
+ f->y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
+ f->z = p[5] & 0x7f;
+
+ alps_decode_buttons_v3(f, p);
+}
+
+static void alps_decode_rushmore(struct alps_fields *f, unsigned char *p,
+ struct psmouse *psmouse)
+{
+ alps_decode_pinnacle(f, p, psmouse);
+
+ f->x_map |= (p[5] & 0x10) << 11;
+ f->y_map |= (p[5] & 0x20) << 6;
+}
+
+static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p,
+ struct psmouse *psmouse)
+{
+ u64 palm_data = 0;
+ struct alps_data *priv = psmouse->private;
+
+ f->first_mp = !!(p[0] & 0x02);
+ f->is_mp = !!(p[0] & 0x20);
+
+ if (!f->is_mp) {
+ f->x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7));
+ f->y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3));
+ f->z = (p[0] & 4) ? 0 : p[5] & 0x7f;
+ alps_decode_buttons_v3(f, p);
+ } else {
+ f->fingers = ((p[0] & 0x6) >> 1 |
+ (p[0] & 0x10) >> 2);
+
+ palm_data = (p[1] & 0x7f) |
+ ((p[2] & 0x7f) << 7) |
+ ((p[4] & 0x7f) << 14) |
+ ((p[5] & 0x7f) << 21) |
+ ((p[3] & 0x07) << 28) |
+ (((u64)p[3] & 0x70) << 27) |
+ (((u64)p[0] & 0x01) << 34);
+
+ /* Y-profile is stored in P(0) to p(n-1), n = y_bits; */
+ f->y_map = palm_data & (BIT(priv->y_bits) - 1);
+
+ /* X-profile is stored in p(n) to p(n+m-1), m = x_bits; */
+ f->x_map = (palm_data >> priv->y_bits) &
+ (BIT(priv->x_bits) - 1);
+ }
+}
+
+static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
unsigned char *packet = psmouse->packet;
struct input_dev *dev = psmouse->dev;
struct input_dev *dev2 = priv->dev2;
- int x, y, z;
- int left, right, middle;
int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
- int fingers = 0, bmap_fingers;
- unsigned int x_bitmap, y_bitmap;
+ int fingers = 0, bmap_fn;
+ struct alps_fields f = {0};
+
+ priv->decode_fields(&f, packet, psmouse);
/*
* There's no single feature of touchpad position and bitmap packets
@@ -473,27 +623,40 @@ static void alps_process_touchpad_packet_v3(struct psmouse *psmouse)
* packet. Check for this, and when it happens process the
* position packet as usual.
*/
- if (packet[0] & 0x40) {
- fingers = (packet[5] & 0x3) + 1;
- x_bitmap = ((packet[4] & 0x7e) << 8) |
- ((packet[1] & 0x7f) << 2) |
- ((packet[0] & 0x30) >> 4);
- y_bitmap = ((packet[3] & 0x70) << 4) |
- ((packet[2] & 0x7f) << 1) |
- (packet[4] & 0x01);
-
- bmap_fingers = alps_process_bitmap(x_bitmap, y_bitmap,
- &x1, &y1, &x2, &y2);
-
- /*
- * We shouldn't report more than one finger if
- * we don't have two coordinates.
- */
- if (fingers > 1 && bmap_fingers < 2)
- fingers = bmap_fingers;
-
- /* Now process position packet */
- packet = priv->multi_data;
+ if (f.is_mp) {
+ fingers = f.fingers;
+ if (priv->proto_version == ALPS_PROTO_V3) {
+ bmap_fn = alps_process_bitmap(priv, f.x_map,
+ f.y_map, &x1, &y1,
+ &x2, &y2);
+
+ /*
+ * We shouldn't report more than one finger if
+ * we don't have two coordinates.
+ */
+ if (fingers > 1 && bmap_fn < 2)
+ fingers = bmap_fn;
+
+ /* Now process position packet */
+ priv->decode_fields(&f, priv->multi_data,
+ psmouse);
+ } else {
+ /*
+ * Because Dolphin uses position packet's
+ * coordinate data as Pt1 and uses it to
+ * calculate Pt2, so we need to do position
+ * packet decode first.
+ */
+ priv->decode_fields(&f, priv->multi_data,
+ psmouse);
+
+ /*
+ * Since Dolphin's finger number is reliable,
+ * there is no need to compare with bmap_fn.
+ */
+ alps_process_bitmap_dolphin(priv, &f, &x1, &y1,
+ &x2, &y2);
+ }
} else {
priv->multi_packet = 0;
}
@@ -507,10 +670,10 @@ static void alps_process_touchpad_packet_v3(struct psmouse *psmouse)
* out misidentified bitmap packets, we reject anything with this
* bit set.
*/
- if (packet[0] & 0x40)
+ if (f.is_mp)
return;
- if (!priv->multi_packet && (packet[4] & 0x40)) {
+ if (!priv->multi_packet && f.first_mp) {
priv->multi_packet = 1;
memcpy(priv->multi_data, packet, sizeof(priv->multi_data));
return;
@@ -518,22 +681,13 @@ static void alps_process_touchpad_packet_v3(struct psmouse *psmouse)
priv->multi_packet = 0;
- left = packet[3] & 0x01;
- right = packet[3] & 0x02;
- middle = packet[3] & 0x04;
-
- x = ((packet[1] & 0x7f) << 4) | ((packet[4] & 0x30) >> 2) |
- ((packet[0] & 0x30) >> 4);
- y = ((packet[2] & 0x7f) << 4) | (packet[4] & 0x0f);
- z = packet[5] & 0x7f;
-
/*
* Sometimes the hardware sends a single packet with z = 0
* in the middle of a stream. Real releases generate packets
* with x, y, and z all zero, so these seem to be flukes.
* Ignore them.
*/
- if (x && y && !z)
+ if (f.x && f.y && !f.z)
return;
/*
@@ -541,43 +695,36 @@ static void alps_process_touchpad_packet_v3(struct psmouse *psmouse)
* to rely on ST data.
*/
if (!fingers) {
- x1 = x;
- y1 = y;
- fingers = z > 0 ? 1 : 0;
+ x1 = f.x;
+ y1 = f.y;
+ fingers = f.z > 0 ? 1 : 0;
}
- if (z >= 64)
+ if (f.z >= 64)
input_report_key(dev, BTN_TOUCH, 1);
else
input_report_key(dev, BTN_TOUCH, 0);
alps_report_semi_mt_data(dev, fingers, x1, y1, x2, y2);
- input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
- input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
- input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3);
- input_report_key(dev, BTN_TOOL_QUADTAP, fingers == 4);
+ input_mt_report_finger_count(dev, fingers);
- input_report_key(dev, BTN_LEFT, left);
- input_report_key(dev, BTN_RIGHT, right);
- input_report_key(dev, BTN_MIDDLE, middle);
+ input_report_key(dev, BTN_LEFT, f.left);
+ input_report_key(dev, BTN_RIGHT, f.right);
+ input_report_key(dev, BTN_MIDDLE, f.middle);
- if (z > 0) {
- input_report_abs(dev, ABS_X, x);
- input_report_abs(dev, ABS_Y, y);
+ if (f.z > 0) {
+ input_report_abs(dev, ABS_X, f.x);
+ input_report_abs(dev, ABS_Y, f.y);
}
- input_report_abs(dev, ABS_PRESSURE, z);
+ input_report_abs(dev, ABS_PRESSURE, f.z);
input_sync(dev);
if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) {
- left = packet[3] & 0x10;
- right = packet[3] & 0x20;
- middle = packet[3] & 0x40;
-
- input_report_key(dev2, BTN_LEFT, left);
- input_report_key(dev2, BTN_RIGHT, right);
- input_report_key(dev2, BTN_MIDDLE, middle);
+ 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);
input_sync(dev2);
}
}
@@ -599,15 +746,129 @@ static void alps_process_packet_v3(struct psmouse *psmouse)
return;
}
- alps_process_touchpad_packet_v3(psmouse);
+ alps_process_touchpad_packet_v3_v5(psmouse);
+}
+
+static void alps_process_packet_v6(struct psmouse *psmouse)
+{
+ struct alps_data *priv = psmouse->private;
+ unsigned char *packet = psmouse->packet;
+ struct input_dev *dev = psmouse->dev;
+ struct input_dev *dev2 = priv->dev2;
+ int x, y, z, left, right, middle;
+
+ /*
+ * We can use Byte5 to distinguish if the packet is from Touchpad
+ * or Trackpoint.
+ * Touchpad: 0 - 0x7E
+ * Trackpoint: 0x7F
+ */
+ if (packet[5] == 0x7F) {
+ /* It should be a DualPoint when received Trackpoint packet */
+ if (!(priv->flags & ALPS_DUALPOINT))
+ return;
+
+ /* Trackpoint packet */
+ x = packet[1] | ((packet[3] & 0x20) << 2);
+ y = packet[2] | ((packet[3] & 0x40) << 1);
+ z = packet[4];
+ left = packet[3] & 0x01;
+ right = packet[3] & 0x02;
+ middle = packet[3] & 0x04;
+
+ /* To prevent the cursor jump when finger lifted */
+ if (x == 0x7F && y == 0x7F && z == 0x7F)
+ x = y = z = 0;
+
+ /* Divide 4 since trackpoint's speed is too fast */
+ input_report_rel(dev2, REL_X, (char)x / 4);
+ input_report_rel(dev2, REL_Y, -((char)y / 4));
+
+ input_report_key(dev2, BTN_LEFT, left);
+ input_report_key(dev2, BTN_RIGHT, right);
+ input_report_key(dev2, BTN_MIDDLE, middle);
+
+ input_sync(dev2);
+ return;
+ }
+
+ /* Touchpad packet */
+ x = packet[1] | ((packet[3] & 0x78) << 4);
+ y = packet[2] | ((packet[4] & 0x78) << 4);
+ z = packet[5];
+ left = packet[3] & 0x01;
+ right = packet[3] & 0x02;
+
+ if (z > 30)
+ input_report_key(dev, BTN_TOUCH, 1);
+ if (z < 25)
+ input_report_key(dev, BTN_TOUCH, 0);
+
+ if (z > 0) {
+ input_report_abs(dev, ABS_X, x);
+ input_report_abs(dev, ABS_Y, y);
+ }
+
+ input_report_abs(dev, ABS_PRESSURE, z);
+ input_report_key(dev, BTN_TOOL_FINGER, z > 0);
+
+ /* v6 touchpad does not have middle button */
+ input_report_key(dev, BTN_LEFT, left);
+ input_report_key(dev, BTN_RIGHT, right);
+
+ input_sync(dev);
}
static void alps_process_packet_v4(struct psmouse *psmouse)
{
+ struct alps_data *priv = psmouse->private;
unsigned char *packet = psmouse->packet;
struct input_dev *dev = psmouse->dev;
+ int offset;
int x, y, z;
int left, right;
+ int x1, y1, x2, y2;
+ int fingers = 0;
+ unsigned int x_bitmap, y_bitmap;
+
+ /*
+ * v4 has a 6-byte encoding for bitmap data, but this data is
+ * broken up between 3 normal packets. Use priv->multi_packet to
+ * track our position in the bitmap packet.
+ */
+ if (packet[6] & 0x40) {
+ /* sync, reset position */
+ priv->multi_packet = 0;
+ }
+
+ if (WARN_ON_ONCE(priv->multi_packet > 2))
+ return;
+
+ offset = 2 * priv->multi_packet;
+ priv->multi_data[offset] = packet[6];
+ priv->multi_data[offset + 1] = packet[7];
+
+ if (++priv->multi_packet > 2) {
+ priv->multi_packet = 0;
+
+ x_bitmap = ((priv->multi_data[2] & 0x1f) << 10) |
+ ((priv->multi_data[3] & 0x60) << 3) |
+ ((priv->multi_data[0] & 0x3f) << 2) |
+ ((priv->multi_data[1] & 0x60) >> 5);
+ y_bitmap = ((priv->multi_data[5] & 0x01) << 10) |
+ ((priv->multi_data[3] & 0x1f) << 5) |
+ (priv->multi_data[1] & 0x1f);
+
+ fingers = alps_process_bitmap(priv, x_bitmap, y_bitmap,
+ &x1, &y1, &x2, &y2);
+
+ /* Store MT data.*/
+ priv->fingers = fingers;
+ priv->x1 = x1;
+ priv->x2 = x2;
+ priv->y1 = y1;
+ priv->y2 = y2;
+ }
left = packet[4] & 0x01;
right = packet[4] & 0x02;
@@ -617,43 +878,44 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f);
z = packet[5] & 0x7f;
+ /*
+ * If there were no contacts in the bitmap, use ST
+ * points in MT reports.
+ * If there were two contacts or more, report MT data.
+ */
+ if (priv->fingers < 2) {
+ x1 = x;
+ y1 = y;
+ fingers = z > 0 ? 1 : 0;
+ } else {
+ fingers = priv->fingers;
+ x1 = priv->x1;
+ x2 = priv->x2;
+ y1 = priv->y1;
+ y2 = priv->y2;
+ }
+
if (z >= 64)
input_report_key(dev, BTN_TOUCH, 1);
else
input_report_key(dev, BTN_TOUCH, 0);
+ alps_report_semi_mt_data(dev, fingers, x1, y1, x2, y2);
+
+ input_mt_report_finger_count(dev, fingers);
+
+ input_report_key(dev, BTN_LEFT, left);
+ input_report_key(dev, BTN_RIGHT, right);
+
if (z > 0) {
input_report_abs(dev, ABS_X, x);
input_report_abs(dev, ABS_Y, y);
}
input_report_abs(dev, ABS_PRESSURE, z);
- input_report_key(dev, BTN_TOOL_FINGER, z > 0);
- input_report_key(dev, BTN_LEFT, left);
- input_report_key(dev, BTN_RIGHT, right);
-
input_sync(dev);
}
-static void alps_process_packet(struct psmouse *psmouse)
-{
- struct alps_data *priv = psmouse->private;
- const struct alps_model_info *model = priv->i;
-
- switch (model->proto_version) {
- case ALPS_PROTO_V1:
- case ALPS_PROTO_V2:
- alps_process_packet_v1_v2(psmouse);
- break;
- case ALPS_PROTO_V3:
- alps_process_packet_v3(psmouse);
- break;
- case ALPS_PROTO_V4:
- alps_process_packet_v4(psmouse);
- break;
- }
-}
-
static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
unsigned char packet[],
bool report_buttons)
@@ -704,15 +966,14 @@ static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse)
if (((psmouse->packet[3] |
psmouse->packet[4] |
psmouse->packet[5]) & 0x80) ||
- (!alps_is_valid_first_byte(priv->i, psmouse->packet[6]))) {
+ (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) {
psmouse_dbg(psmouse,
- "refusing packet %x %x %x %x (suspected interleaved ps/2)\n",
- psmouse->packet[3], psmouse->packet[4],
- psmouse->packet[5], psmouse->packet[6]);
+ "refusing packet %4ph (suspected interleaved ps/2)\n",
+ psmouse->packet + 3);
return PSMOUSE_BAD_DATA;
}
- alps_process_packet(psmouse);
+ priv->process_packet(psmouse);
/* Continue with the next packet */
psmouse->packet[0] = psmouse->packet[6];
@@ -756,6 +1017,7 @@ static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse)
static void alps_flush_packet(unsigned long data)
{
struct psmouse *psmouse = (struct psmouse *)data;
+ struct alps_data *priv = psmouse->private;
serio_pause_rx(psmouse->ps2dev.serio);
@@ -770,11 +1032,10 @@ static void alps_flush_packet(unsigned long data)
psmouse->packet[4] |
psmouse->packet[5]) & 0x80) {
psmouse_dbg(psmouse,
- "refusing packet %x %x %x (suspected interleaved ps/2)\n",
- psmouse->packet[3], psmouse->packet[4],
- psmouse->packet[5]);
+ "refusing packet %3ph (suspected interleaved ps/2)\n",
+ psmouse->packet + 3);
} else {
- alps_process_packet(psmouse);
+ priv->process_packet(psmouse);
}
psmouse->pktcnt = 0;
}
@@ -785,7 +1046,6 @@ static void alps_flush_packet(unsigned long data)
static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
- const struct alps_model_info *model = priv->i;
if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */
if (psmouse->pktcnt == 3) {
@@ -798,20 +1058,21 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
/* Check for PS/2 packet stuffed in the middle of ALPS packet. */
- if ((model->flags & ALPS_PS2_INTERLEAVED) &&
+ if ((priv->flags & ALPS_PS2_INTERLEAVED) &&
psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) {
return alps_handle_interleaved_ps2(psmouse);
}
- if (!alps_is_valid_first_byte(model, psmouse->packet[0])) {
+ if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) {
psmouse_dbg(psmouse,
"refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n",
- psmouse->packet[0], model->mask0, model->byte0);
+ psmouse->packet[0], priv->mask0, priv->byte0);
return PSMOUSE_BAD_DATA;
}
/* Bytes 2 - pktsize should have 0 in the highest bit */
- if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize &&
+ if ((priv->proto_version < ALPS_PROTO_V5) &&
+ psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize &&
(psmouse->packet[psmouse->pktcnt - 1] & 0x80)) {
psmouse_dbg(psmouse, "refusing packet[%i] = %x\n",
psmouse->pktcnt - 1,
@@ -820,7 +1081,7 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
}
if (psmouse->pktcnt == psmouse->pktsize) {
- alps_process_packet(psmouse);
+ priv->process_packet(psmouse);
return PSMOUSE_FULL_PACKET;
}
@@ -908,29 +1169,44 @@ static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr,
return __alps_command_mode_write_reg(psmouse, value);
}
-static int alps_enter_command_mode(struct psmouse *psmouse,
- unsigned char *resp)
+static int alps_rpt_cmd(struct psmouse *psmouse, int init_command,
+ int repeated_command, unsigned char *param)
{
- unsigned char param[4];
struct ps2dev *ps2dev = &psmouse->ps2dev;
- if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
- ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) {
+ param[0] = 0;
+ if (init_command && ps2_command(ps2dev, param, init_command))
+ return -EIO;
+
+ if (ps2_command(ps2dev, NULL, repeated_command) ||
+ ps2_command(ps2dev, NULL, repeated_command) ||
+ ps2_command(ps2dev, NULL, repeated_command))
+ return -EIO;
+
+ param[0] = param[1] = param[2] = 0xff;
+ if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
+ return -EIO;
+
+ psmouse_dbg(psmouse, "%2.2X report: %3ph\n",
+ repeated_command, param);
+ return 0;
+}
+
+static int alps_enter_command_mode(struct psmouse *psmouse)
+{
+ unsigned char param[4];
+
+ if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) {
psmouse_err(psmouse, "failed to enter command mode\n");
return -1;
}
- if (param[0] != 0x88 && param[1] != 0x07) {
+ if ((param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) &&
+ param[0] != 0x73) {
psmouse_dbg(psmouse,
- "unknown response while entering command mode: %2.2x %2.2x %2.2x\n",
- param[0], param[1], param[2]);
+ "unknown response while entering command mode\n");
return -1;
}
-
- if (resp)
- *resp = param[2];
return 0;
}
@@ -942,99 +1218,6 @@ static inline int alps_exit_command_mode(struct psmouse *psmouse)
return 0;
}
-static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version)
-{
- struct ps2dev *ps2dev = &psmouse->ps2dev;
- static const unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 };
- unsigned char param[4];
- const struct alps_model_info *model = NULL;
- int i;
-
- /*
- * First try "E6 report".
- * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed.
- * The bits 0-2 of the first byte will be 1s if some buttons are
- * pressed.
- */
- param[0] = 0;
- if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11))
- return NULL;
-
- param[0] = param[1] = param[2] = 0xff;
- if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
- return NULL;
-
- psmouse_dbg(psmouse, "E6 report: %2.2x %2.2x %2.2x",
- param[0], param[1], param[2]);
-
- if ((param[0] & 0xf8) != 0 || param[1] != 0 ||
- (param[2] != 10 && param[2] != 100))
- return NULL;
-
- /*
- * Now try "E7 report". Allowed responses are in
- * alps_model_data[].signature
- */
- param[0] = 0;
- if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21))
- return NULL;
-
- param[0] = param[1] = param[2] = 0xff;
- if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
- return NULL;
-
- psmouse_dbg(psmouse, "E7 report: %2.2x %2.2x %2.2x",
- param[0], param[1], param[2]);
-
- if (version) {
- for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++)
- /* empty */;
- *version = (param[0] << 8) | (param[1] << 4) | i;
- }
-
- for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) {
- if (!memcmp(param, alps_model_data[i].signature,
- sizeof(alps_model_data[i].signature))) {
- model = alps_model_data + i;
- break;
- }
- }
-
- if (model && model->proto_version > ALPS_PROTO_V2) {
- /*
- * Need to check command mode response to identify
- * model
- */
- model = NULL;
- if (alps_enter_command_mode(psmouse, param)) {
- psmouse_warn(psmouse,
- "touchpad failed to enter command mode\n");
- } else {
- for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) {
- if (alps_model_data[i].proto_version > ALPS_PROTO_V2 &&
- alps_model_data[i].command_mode_resp == param[0]) {
- model = alps_model_data + i;
- break;
- }
- }
- alps_exit_command_mode(psmouse);
-
- if (!model)
- psmouse_dbg(psmouse,
- "Unknown command mode response %2.2x\n",
- param[0]);
- }
- }
-
- return model;
-}
-
/*
* For DualPoint devices select the device that should respond to
* subsequent commands. It looks like glidepad is behind stickpointer,
@@ -1076,19 +1259,85 @@ static int alps_absolute_mode_v1_v2(struct psmouse *psmouse)
return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL);
}
-static int alps_get_status(struct psmouse *psmouse, char *param)
+static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word)
+{
+ int i, nibble;
+
+ /*
+ * b0-b11 are valid bits, send sequence is inverse.
+ * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1
+ */
+ for (i = 0; i <= 8; i += 4) {
+ nibble = (word >> i) & 0xf;
+ if (alps_command_mode_send_nibble(psmouse, nibble))
+ return -1;
+ }
+
+ return 0;
+}
+
+static int alps_monitor_mode_write_reg(struct psmouse *psmouse,
+ u16 addr, u16 value)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
- /* Get status: 0xF5 0xF5 0xF5 0xE9 */
- if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
- ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
+ /* 0x0A0 is the command to write the word */
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) ||
+ alps_monitor_mode_send_word(psmouse, 0x0A0) ||
+ alps_monitor_mode_send_word(psmouse, addr) ||
+ alps_monitor_mode_send_word(psmouse, value) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE))
return -1;
- psmouse_dbg(psmouse, "Status: %2.2x %2.2x %2.2x",
- param[0], param[1], param[2]);
+ return 0;
+}
+
+static int alps_monitor_mode(struct psmouse *psmouse, bool enable)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+
+ if (enable) {
+ /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO))
+ return -1;
+ } else {
+ /* EC to exit monitor mode */
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP))
+ return -1;
+ }
+
+ return 0;
+}
+
+static int alps_absolute_mode_v6(struct psmouse *psmouse)
+{
+ u16 reg_val = 0x181;
+ int ret = -1;
+
+ /* enter monitor mode, to write the register */
+ if (alps_monitor_mode(psmouse, true))
+ return -1;
+
+ ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val);
+
+ if (alps_monitor_mode(psmouse, false))
+ ret = -1;
+
+ return ret;
+}
+
+static int alps_get_status(struct psmouse *psmouse, char *param)
+{
+ /* Get status: 0xF5 0xF5 0xF5 0xE9 */
+ if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param))
+ return -1;
return 0;
}
@@ -1131,16 +1380,16 @@ static int alps_poll(struct psmouse *psmouse)
unsigned char buf[sizeof(psmouse->packet)];
bool poll_failed;
- if (priv->i->flags & ALPS_PASS)
+ if (priv->flags & ALPS_PASS)
alps_passthrough_mode_v2(psmouse, true);
poll_failed = ps2_command(&psmouse->ps2dev, buf,
PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0;
- if (priv->i->flags & ALPS_PASS)
+ if (priv->flags & ALPS_PASS)
alps_passthrough_mode_v2(psmouse, false);
- if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0)
+ if (poll_failed || (buf[0] & priv->mask0) != priv->byte0)
return -1;
if ((psmouse->badbyte & 0xc8) == 0x08) {
@@ -1158,9 +1407,8 @@ static int alps_poll(struct psmouse *psmouse)
static int alps_hw_init_v1_v2(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
- const struct alps_model_info *model = priv->i;
- if ((model->flags & ALPS_PASS) &&
+ if ((priv->flags & ALPS_PASS) &&
alps_passthrough_mode_v2(psmouse, true)) {
return -1;
}
@@ -1175,7 +1423,7 @@ static int alps_hw_init_v1_v2(struct psmouse *psmouse)
return -1;
}
- if ((model->flags & ALPS_PASS) &&
+ if ((priv->flags & ALPS_PASS) &&
alps_passthrough_mode_v2(psmouse, false)) {
return -1;
}
@@ -1189,27 +1437,58 @@ static int alps_hw_init_v1_v2(struct psmouse *psmouse)
return 0;
}
+static int alps_hw_init_v6(struct psmouse *psmouse)
+{
+ unsigned char param[2] = {0xC8, 0x14};
+
+ /* Enter passthrough mode to let trackpoint enter 6byte raw mode */
+ if (alps_passthrough_mode_v2(psmouse, true))
+ return -1;
+
+ if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(&psmouse->ps2dev, &param[0], PSMOUSE_CMD_SETRATE) ||
+ ps2_command(&psmouse->ps2dev, &param[1], PSMOUSE_CMD_SETRATE))
+ return -1;
+
+ if (alps_passthrough_mode_v2(psmouse, false))
+ return -1;
+
+ if (alps_absolute_mode_v6(psmouse)) {
+ psmouse_err(psmouse, "Failed to enable absolute mode\n");
+ return -1;
+ }
+
+ return 0;
+}
+
/*
- * Enable or disable passthrough mode to the trackstick. Must be in
- * command mode when calling this function.
+ * Enable or disable passthrough mode to the trackstick.
*/
-static int alps_passthrough_mode_v3(struct psmouse *psmouse, bool enable)
+static int alps_passthrough_mode_v3(struct psmouse *psmouse,
+ int reg_base, bool enable)
{
- int reg_val;
+ int reg_val, ret = -1;
- reg_val = alps_command_mode_read_reg(psmouse, 0x0008);
- if (reg_val == -1)
+ if (alps_enter_command_mode(psmouse))
return -1;
+ reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008);
+ if (reg_val == -1)
+ goto error;
+
if (enable)
reg_val |= 0x01;
else
reg_val &= ~0x01;
- if (__alps_command_mode_write_reg(psmouse, reg_val))
- return -1;
+ ret = __alps_command_mode_write_reg(psmouse, reg_val);
- return 0;
+error:
+ if (alps_exit_command_mode(psmouse))
+ ret = -1;
+ return ret;
}
/* Must be in command mode when calling this function */
@@ -1228,73 +1507,101 @@ static int alps_absolute_mode_v3(struct psmouse *psmouse)
return 0;
}
-static int alps_hw_init_v3(struct psmouse *psmouse)
+static int alps_probe_trackstick_v3(struct psmouse *psmouse, int reg_base)
{
- struct alps_data *priv = psmouse->private;
- struct ps2dev *ps2dev = &psmouse->ps2dev;
- int reg_val;
- unsigned char param[4];
+ int ret = -EIO, reg_val;
- priv->nibble_commands = alps_v3_nibble_commands;
- priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
-
- if (alps_enter_command_mode(psmouse, NULL))
+ if (alps_enter_command_mode(psmouse))
goto error;
- /* Check for trackstick */
- reg_val = alps_command_mode_read_reg(psmouse, 0x0008);
+ reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08);
if (reg_val == -1)
goto error;
- if (reg_val & 0x80) {
- if (alps_passthrough_mode_v3(psmouse, true))
- goto error;
- if (alps_exit_command_mode(psmouse))
- goto error;
+
+ /* bit 7: trackstick is present */
+ ret = reg_val & 0x80 ? 0 : -ENODEV;
+
+error:
+ alps_exit_command_mode(psmouse);
+ return ret;
+}
+
+static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ int ret = 0;
+ unsigned char param[4];
+
+ if (alps_passthrough_mode_v3(psmouse, reg_base, true))
+ return -EIO;
+
+ /*
+ * E7 report for the trackstick
+ *
+ * There have been reports of failures to seem to trace back
+ * to the above trackstick check failing. When these occur
+ * this E7 report fails, so when that happens we continue
+ * with the assumption that there isn't a trackstick after
+ * all.
+ */
+ if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) {
+ psmouse_warn(psmouse, "trackstick E7 report failed\n");
+ ret = -ENODEV;
+ } else {
+ psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param);
/*
- * E7 report for the trackstick
- *
- * There have been reports of failures to seem to trace back
- * to the above trackstick check failing. When these occur
- * this E7 report fails, so when that happens we continue
- * with the assumption that there isn't a trackstick after
- * all.
+ * Not sure what this does, but it is absolutely
+ * essential. Without it, the touchpad does not
+ * work at all and the trackstick just emits normal
+ * PS/2 packets.
*/
- param[0] = 0x64;
- if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
- ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) {
- psmouse_warn(psmouse, "trackstick E7 report failed\n");
- } else {
- psmouse_dbg(psmouse,
- "trackstick E7 report: %2.2x %2.2x %2.2x\n",
- param[0], param[1], param[2]);
-
- /*
- * Not sure what this does, but it is absolutely
- * essential. Without it, the touchpad does not
- * work at all and the trackstick just emits normal
- * PS/2 packets.
- */
- if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
- alps_command_mode_send_nibble(psmouse, 0x9) ||
- alps_command_mode_send_nibble(psmouse, 0x4)) {
- psmouse_err(psmouse,
- "Error sending magic E6 sequence\n");
- goto error_passthrough;
- }
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ alps_command_mode_send_nibble(psmouse, 0x9) ||
+ alps_command_mode_send_nibble(psmouse, 0x4)) {
+ psmouse_err(psmouse,
+ "Error sending magic E6 sequence\n");
+ ret = -EIO;
+ goto error;
}
- if (alps_enter_command_mode(psmouse, NULL))
- goto error_passthrough;
- if (alps_passthrough_mode_v3(psmouse, false))
- goto error;
+ /*
+ * This ensures the trackstick packets are in the format
+ * supported by this driver. If bit 1 isn't set the packet
+ * format is different.
+ */
+ if (alps_enter_command_mode(psmouse) ||
+ alps_command_mode_write_reg(psmouse,
+ reg_base + 0x08, 0x82) ||
+ alps_exit_command_mode(psmouse))
+ ret = -EIO;
}
- if (alps_absolute_mode_v3(psmouse)) {
+error:
+ if (alps_passthrough_mode_v3(psmouse, reg_base, false))
+ ret = -EIO;
+
+ return ret;
+}
+
+static int alps_hw_init_v3(struct psmouse *psmouse)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ int reg_val;
+ unsigned char param[4];
+
+ reg_val = alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE);
+ if (reg_val == -EIO)
+ goto error;
+
+ if (reg_val == 0 &&
+ alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO)
+ goto error;
+
+ if (alps_enter_command_mode(psmouse) ||
+ alps_absolute_mode_v3(psmouse)) {
psmouse_err(psmouse, "Failed to enter absolute mode\n");
goto error;
}
@@ -1331,14 +1638,6 @@ static int alps_hw_init_v3(struct psmouse *psmouse)
if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04))
goto error;
- /*
- * This ensures the trackstick packets are in the format
- * supported by this driver. If bit 1 isn't set the packet
- * format is different.
- */
- if (alps_command_mode_write_reg(psmouse, 0x0008, 0x82))
- goto error;
-
alps_exit_command_mode(psmouse);
/* Set rate and enable data reporting */
@@ -1351,10 +1650,6 @@ static int alps_hw_init_v3(struct psmouse *psmouse)
return 0;
-error_passthrough:
- /* Something failed while in passthrough mode, so try to get out */
- if (!alps_enter_command_mode(psmouse, NULL))
- alps_passthrough_mode_v3(psmouse, false);
error:
/*
* Leaving the touchpad in command mode will essentially render
@@ -1365,6 +1660,50 @@ error:
return -1;
}
+static int alps_hw_init_rushmore_v3(struct psmouse *psmouse)
+{
+ struct alps_data *priv = psmouse->private;
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ int reg_val, ret = -1;
+
+ if (priv->flags & ALPS_DUALPOINT) {
+ reg_val = alps_setup_trackstick_v3(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) ||
+ alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 ||
+ alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00))
+ goto error;
+
+ reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6);
+ if (reg_val == -1)
+ goto error;
+ if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd))
+ goto error;
+
+ if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64))
+ goto error;
+
+ /* enter absolute mode */
+ reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4);
+ if (reg_val == -1)
+ goto error;
+ if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02))
+ goto error;
+
+ alps_exit_command_mode(psmouse);
+ return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE);
+
+error:
+ alps_exit_command_mode(psmouse);
+ return ret;
+}
+
/* Must be in command mode when calling this function */
static int alps_absolute_mode_v4(struct psmouse *psmouse)
{
@@ -1383,14 +1722,10 @@ static int alps_absolute_mode_v4(struct psmouse *psmouse)
static int alps_hw_init_v4(struct psmouse *psmouse)
{
- struct alps_data *priv = psmouse->private;
struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[4];
- priv->nibble_commands = alps_v4_nibble_commands;
- priv->addr_command = PSMOUSE_CMD_DISABLE;
-
- if (alps_enter_command_mode(psmouse, NULL))
+ if (alps_enter_command_mode(psmouse))
goto error;
if (alps_absolute_mode_v4(psmouse)) {
@@ -1458,39 +1793,235 @@ error:
return -1;
}
-static int alps_hw_init(struct psmouse *psmouse)
+static int alps_dolphin_get_device_area(struct psmouse *psmouse,
+ struct alps_data *priv)
{
- struct alps_data *priv = psmouse->private;
- const struct alps_model_info *model = priv->i;
- int ret = -1;
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param[4] = {0};
+ int num_x_electrode, num_y_electrode;
- switch (model->proto_version) {
+ if (alps_enter_command_mode(psmouse))
+ return -1;
+
+ param[0] = 0x0a;
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) ||
+ ps2_command(ps2dev, &param[0], PSMOUSE_CMD_SETRATE) ||
+ ps2_command(ps2dev, &param[0], PSMOUSE_CMD_SETRATE))
+ return -1;
+
+ if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
+ return -1;
+
+ /*
+ * Dolphin's sensor line number is not fixed. It can be calculated
+ * by adding the device's register value with DOLPHIN_PROFILE_X/YOFFSET.
+ * Further more, we can get device's x_max and y_max by multiplying
+ * sensor line number with DOLPHIN_COUNT_PER_ELECTRODE.
+ *
+ * e.g. When we get register's sensor_x = 11 & sensor_y = 8,
+ * real sensor line number X = 11 + 8 = 19, and
+ * real sensor line number Y = 8 + 1 = 9.
+ * So, x_max = (19 - 1) * 64 = 1152, and
+ * y_max = (9 - 1) * 64 = 512.
+ */
+ num_x_electrode = DOLPHIN_PROFILE_XOFFSET + (param[2] & 0x0F);
+ num_y_electrode = DOLPHIN_PROFILE_YOFFSET + ((param[2] >> 4) & 0x0F);
+ priv->x_bits = num_x_electrode;
+ priv->y_bits = num_y_electrode;
+ priv->x_max = (num_x_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE;
+ priv->y_max = (num_y_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE;
+
+ if (alps_exit_command_mode(psmouse))
+ return -1;
+
+ return 0;
+}
+
+static int alps_hw_init_dolphin_v1(struct psmouse *psmouse)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param[2];
+
+ /* This is dolphin "v1" as empirically defined by florin9doi */
+ param[0] = 0x64;
+ param[1] = 0x28;
+
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) ||
+ ps2_command(ps2dev, &param[0], PSMOUSE_CMD_SETRATE) ||
+ ps2_command(ps2dev, &param[1], PSMOUSE_CMD_SETRATE))
+ return -1;
+
+ return 0;
+}
+
+static void alps_set_defaults(struct alps_data *priv)
+{
+ priv->byte0 = 0x8f;
+ priv->mask0 = 0x8f;
+ priv->flags = ALPS_DUALPOINT;
+
+ priv->x_max = 2000;
+ priv->y_max = 1400;
+ priv->x_bits = 15;
+ priv->y_bits = 11;
+
+ switch (priv->proto_version) {
case ALPS_PROTO_V1:
case ALPS_PROTO_V2:
- ret = alps_hw_init_v1_v2(psmouse);
+ priv->hw_init = alps_hw_init_v1_v2;
+ priv->process_packet = alps_process_packet_v1_v2;
+ priv->set_abs_params = alps_set_abs_params_st;
+ priv->x_max = 1023;
+ priv->y_max = 767;
break;
case ALPS_PROTO_V3:
- ret = alps_hw_init_v3(psmouse);
+ priv->hw_init = alps_hw_init_v3;
+ priv->process_packet = alps_process_packet_v3;
+ priv->set_abs_params = alps_set_abs_params_mt;
+ priv->decode_fields = alps_decode_pinnacle;
+ priv->nibble_commands = alps_v3_nibble_commands;
+ priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
break;
case ALPS_PROTO_V4:
- ret = alps_hw_init_v4(psmouse);
+ priv->hw_init = alps_hw_init_v4;
+ priv->process_packet = alps_process_packet_v4;
+ priv->set_abs_params = alps_set_abs_params_mt;
+ 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;
+ priv->decode_fields = alps_decode_dolphin;
+ 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;
+ priv->set_abs_params = alps_set_abs_params_st;
+ priv->nibble_commands = alps_v6_nibble_commands;
+ priv->x_max = 2047;
+ priv->y_max = 1535;
break;
}
+}
- return ret;
+static int alps_match_table(struct psmouse *psmouse, struct alps_data *priv,
+ unsigned char *e7, unsigned char *ec)
+{
+ const struct alps_model_info *model;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) {
+ model = &alps_model_data[i];
+
+ if (!memcmp(e7, model->signature, sizeof(model->signature)) &&
+ (!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 -EINVAL;
+}
+
+static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
+{
+ unsigned char e6[4], e7[4], ec[4];
+
+ /*
+ * First try "E6 report".
+ * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed.
+ * The bits 0-2 of the first byte will be 1s if some buttons are
+ * pressed.
+ */
+ if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES,
+ PSMOUSE_CMD_SETSCALE11, e6))
+ return -EIO;
+
+ if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100))
+ return -EINVAL;
+
+ /*
+ * Now get the "E7" and "EC" reports. These will uniquely identify
+ * most ALPS touchpads.
+ */
+ if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES,
+ PSMOUSE_CMD_SETSCALE21, e7) ||
+ alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES,
+ PSMOUSE_CMD_RESET_WRAP, ec) ||
+ alps_exit_command_mode(psmouse))
+ return -EIO;
+
+ 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] == 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;
+
+ /* 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;
+ }
+
+ psmouse_info(psmouse,
+ "Unknown ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
+
+ return -EINVAL;
}
static int alps_reconnect(struct psmouse *psmouse)
{
- const struct alps_model_info *model;
+ struct alps_data *priv = psmouse->private;
psmouse_reset(psmouse);
- model = alps_get_model(psmouse, NULL);
- if (!model)
+ if (alps_identify(psmouse, priv) < 0)
return -1;
- return alps_hw_init(psmouse);
+ return priv->hw_init(psmouse);
}
static void alps_disconnect(struct psmouse *psmouse)
@@ -1503,12 +2034,33 @@ static void alps_disconnect(struct psmouse *psmouse)
kfree(priv);
}
+static void alps_set_abs_params_st(struct alps_data *priv,
+ struct input_dev *dev1)
+{
+ input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0);
+ input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0);
+}
+
+static void alps_set_abs_params_mt(struct alps_data *priv,
+ struct input_dev *dev1)
+{
+ set_bit(INPUT_PROP_SEMI_MT, dev1->propbit);
+ input_mt_init_slots(dev1, 2, 0);
+ input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0);
+ input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0);
+
+ set_bit(BTN_TOOL_DOUBLETAP, dev1->keybit);
+ set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit);
+ set_bit(BTN_TOOL_QUADTAP, dev1->keybit);
+
+ input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0);
+ input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0);
+}
+
int alps_init(struct psmouse *psmouse)
{
struct alps_data *priv;
- const struct alps_model_info *model;
struct input_dev *dev1 = psmouse->dev, *dev2;
- int version;
priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL);
dev2 = input_allocate_device();
@@ -1522,13 +2074,10 @@ int alps_init(struct psmouse *psmouse)
psmouse_reset(psmouse);
- model = alps_get_model(psmouse, &version);
- if (!model)
+ if (alps_identify(psmouse, priv) < 0)
goto init_fail;
- priv->i = model;
-
- if (alps_hw_init(psmouse))
+ if (priv->hw_init(psmouse))
goto init_fail;
/*
@@ -1550,41 +2099,20 @@ int alps_init(struct psmouse *psmouse)
dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS);
- switch (model->proto_version) {
- case ALPS_PROTO_V1:
- case ALPS_PROTO_V2:
- input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0);
- input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0);
- break;
- case ALPS_PROTO_V3:
- set_bit(INPUT_PROP_SEMI_MT, dev1->propbit);
- input_mt_init_slots(dev1, 2);
- input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, ALPS_V3_X_MAX, 0, 0);
- input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, ALPS_V3_Y_MAX, 0, 0);
-
- set_bit(BTN_TOOL_DOUBLETAP, dev1->keybit);
- set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit);
- set_bit(BTN_TOOL_QUADTAP, dev1->keybit);
- /* fall through */
- case ALPS_PROTO_V4:
- input_set_abs_params(dev1, ABS_X, 0, ALPS_V3_X_MAX, 0, 0);
- input_set_abs_params(dev1, ABS_Y, 0, ALPS_V3_Y_MAX, 0, 0);
- break;
- }
-
+ priv->set_abs_params(priv, dev1);
input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
- if (model->flags & ALPS_WHEEL) {
+ if (priv->flags & ALPS_WHEEL) {
dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL);
dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL);
}
- if (model->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
+ if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD);
dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK);
}
- if (model->flags & ALPS_FOUR_BUTTONS) {
+ if (priv->flags & ALPS_FOUR_BUTTONS) {
dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0);
dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1);
dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2);
@@ -1595,7 +2123,8 @@ int alps_init(struct psmouse *psmouse)
snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys);
dev2->phys = priv->phys;
- dev2->name = (model->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse";
+ 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;
@@ -1614,7 +2143,7 @@ int alps_init(struct psmouse *psmouse)
psmouse->poll = alps_poll;
psmouse->disconnect = alps_disconnect;
psmouse->reconnect = alps_reconnect;
- psmouse->pktsize = model->proto_version == ALPS_PROTO_V4 ? 8 : 6;
+ psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6;
/* We are having trouble resyncing ALPS touchpads so disable it for now */
psmouse->resync_time = 0;
@@ -1631,18 +2160,16 @@ init_fail:
int alps_detect(struct psmouse *psmouse, bool set_properties)
{
- int version;
- const struct alps_model_info *model;
+ struct alps_data dummy;
- model = alps_get_model(psmouse, &version);
- if (!model)
+ if (alps_identify(psmouse, &dummy) < 0)
return -1;
if (set_properties) {
psmouse->vendor = "ALPS";
- psmouse->name = model->flags & ALPS_DUALPOINT ?
+ psmouse->name = dummy.flags & ALPS_DUALPOINT ?
"DualPoint TouchPad" : "GlidePoint";
- psmouse->model = version;
+ psmouse->model = dummy.proto_version << 8;
}
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 08:20:31 +0000