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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.c699
1 files changed, 470 insertions, 229 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index fb15c64ffb95..35a49bf57227 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -99,6 +99,8 @@ 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 */
@@ -281,11 +283,10 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
*
* 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.
+ * These two points are returned in fields->mt.
*/
static void alps_process_bitmap_dolphin(struct alps_data *priv,
- struct alps_fields *fields,
- int *x1, int *y1, int *x2, int *y2)
+ struct alps_fields *fields)
{
int box_middle_x, box_middle_y;
unsigned int x_map, y_map;
@@ -308,8 +309,6 @@ static void alps_process_bitmap_dolphin(struct alps_data *priv,
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;
@@ -320,10 +319,35 @@ static void alps_process_bitmap_dolphin(struct alps_data *priv,
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;
+ fields->mt[0] = fields->st;
+ fields->mt[1].x = 2 * box_middle_x - fields->mt[0].x;
+ fields->mt[1].y = 2 * box_middle_y - fields->mt[0].y;
+ }
+}
+
+static void alps_get_bitmap_points(unsigned int map,
+ struct alps_bitmap_point *low,
+ struct alps_bitmap_point *high,
+ int *fingers)
+{
+ struct alps_bitmap_point *point;
+ int i, bit, prev_bit = 0;
+
+ point = low;
+ for (i = 0; map != 0; i++, map >>= 1) {
+ bit = map & 1;
+ if (bit) {
+ if (!prev_bit) {
+ point->start_bit = i;
+ point->num_bits = 0;
+ (*fingers)++;
+ }
+ point->num_bits++;
+ } else {
+ if (prev_bit)
+ point = high;
+ }
+ prev_bit = bit;
}
}
@@ -334,71 +358,21 @@ static void alps_process_bitmap_dolphin(struct alps_data *priv,
*
* The bitmaps don't have enough data to track fingers, so this function
* only generates points representing a bounding box of all contacts.
- * These points are returned in x1, y1, x2, and y2 when the return value
+ * These points are returned in fields->mt when the return value
* is greater than 0.
*/
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_fields *fields)
{
- struct alps_bitmap_point {
- int start_bit;
- int num_bits;
- };
-
- int fingers_x = 0, fingers_y = 0, fingers;
- int i, bit, prev_bit;
+ int i, fingers_x = 0, fingers_y = 0, fingers;
struct alps_bitmap_point x_low = {0,}, x_high = {0,};
struct alps_bitmap_point y_low = {0,}, y_high = {0,};
- struct alps_bitmap_point *point;
- if (!x_map || !y_map)
+ if (!fields->x_map || !fields->y_map)
return 0;
- *x1 = *y1 = *x2 = *y2 = 0;
-
- prev_bit = 0;
- point = &x_low;
- for (i = 0; x_map != 0; i++, x_map >>= 1) {
- bit = x_map & 1;
- if (bit) {
- if (!prev_bit) {
- point->start_bit = i;
- fingers_x++;
- }
- point->num_bits++;
- } else {
- if (prev_bit)
- point = &x_high;
- else
- point->num_bits = 0;
- }
- prev_bit = bit;
- }
-
- /*
- * 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 - priv->y_bits);
- prev_bit = 0;
- point = &y_low;
- for (i = 0; y_map != 0; i++, y_map <<= 1) {
- bit = y_map & (1 << (sizeof(y_map) * BITS_PER_BYTE - 1));
- if (bit) {
- if (!prev_bit) {
- point->start_bit = i;
- fingers_y++;
- }
- point->num_bits++;
- } else {
- if (prev_bit)
- point = &y_high;
- else
- point->num_bits = 0;
- }
- prev_bit = bit;
- }
+ alps_get_bitmap_points(fields->x_map, &x_low, &x_high, &fingers_x);
+ alps_get_bitmap_points(fields->y_map, &y_low, &y_high, &fingers_y);
/*
* Fingers can overlap, so we use the maximum count of fingers
@@ -407,58 +381,91 @@ static int alps_process_bitmap(struct alps_data *priv,
fingers = max(fingers_x, fingers_y);
/*
- * If total fingers is > 1 but either axis reports only a single
- * contact, we have overlapping or adjacent fingers. For the
- * purposes of creating a bounding box, divide the single contact
- * (roughly) equally between the two points.
+ * If an axis reports only a single contact, we have overlapping or
+ * adjacent fingers. Divide the single contact between the two points.
*/
- if (fingers > 1) {
- if (fingers_x == 1) {
- i = x_low.num_bits / 2;
- x_low.num_bits = x_low.num_bits - i;
- x_high.start_bit = x_low.start_bit + i;
- x_high.num_bits = max(i, 1);
- } else if (fingers_y == 1) {
- i = y_low.num_bits / 2;
- y_low.num_bits = y_low.num_bits - i;
- y_high.start_bit = y_low.start_bit + i;
- y_high.num_bits = max(i, 1);
- }
+ if (fingers_x == 1) {
+ i = (x_low.num_bits - 1) / 2;
+ x_low.num_bits = x_low.num_bits - i;
+ x_high.start_bit = x_low.start_bit + i;
+ x_high.num_bits = max(i, 1);
+ }
+ if (fingers_y == 1) {
+ i = (y_low.num_bits - 1) / 2;
+ y_low.num_bits = y_low.num_bits - i;
+ y_high.start_bit = y_low.start_bit + i;
+ y_high.num_bits = max(i, 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 = (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));
+ fields->mt[0].x =
+ (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
+ (2 * (priv->x_bits - 1));
+ fields->mt[0].y =
+ (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
+ (2 * (priv->y_bits - 1));
+
+ fields->mt[1].x =
+ (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) /
+ (2 * (priv->x_bits - 1));
+ fields->mt[1].y =
+ (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) /
+ (2 * (priv->y_bits - 1));
+
+ /* y-bitmap order is reversed, except on rushmore */
+ if (!(priv->flags & ALPS_IS_RUSHMORE)) {
+ fields->mt[0].y = priv->y_max - fields->mt[0].y;
+ fields->mt[1].y = priv->y_max - fields->mt[1].y;
}
return fingers;
}
-static void alps_set_slot(struct input_dev *dev, int slot, bool active,
- int x, int y)
+static void alps_set_slot(struct input_dev *dev, int slot, int x, int y)
{
input_mt_slot(dev, slot);
- input_mt_report_slot_state(dev, MT_TOOL_FINGER, active);
- if (active) {
- input_report_abs(dev, ABS_MT_POSITION_X, x);
- input_report_abs(dev, ABS_MT_POSITION_Y, y);
- }
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, true);
+ input_report_abs(dev, ABS_MT_POSITION_X, x);
+ input_report_abs(dev, ABS_MT_POSITION_Y, y);
}
-static void alps_report_semi_mt_data(struct input_dev *dev, int num_fingers,
- int x1, int y1, int x2, int y2)
+static void alps_report_mt_data(struct psmouse *psmouse, int n)
{
- alps_set_slot(dev, 0, num_fingers != 0, x1, y1);
- alps_set_slot(dev, 1, num_fingers == 2, x2, y2);
+ struct alps_data *priv = psmouse->private;
+ struct input_dev *dev = psmouse->dev;
+ struct alps_fields *f = &priv->f;
+ int i, slot[MAX_TOUCHES];
+
+ input_mt_assign_slots(dev, slot, f->mt, n);
+ for (i = 0; i < n; i++)
+ alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y);
+
+ input_mt_sync_frame(dev);
+}
+
+static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers)
+{
+ struct alps_data *priv = psmouse->private;
+ struct input_dev *dev = psmouse->dev;
+ struct alps_fields *f = &priv->f;
+
+ /* Use st data when we don't have mt data */
+ if (fingers < 2) {
+ f->mt[0].x = f->st.x;
+ f->mt[0].y = f->st.y;
+ fingers = f->pressure > 0 ? 1 : 0;
+ }
+
+ alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 2);
+
+ input_mt_report_finger_count(dev, fingers);
+
+ input_report_key(dev, BTN_LEFT, f->left);
+ input_report_key(dev, BTN_RIGHT, f->right);
+ input_report_key(dev, BTN_MIDDLE, f->middle);
+
+ input_report_abs(dev, ABS_PRESSURE, f->pressure);
+
+ input_sync(dev);
}
static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
@@ -532,7 +539,7 @@ static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p)
f->ts_middle = !!(p[3] & 0x40);
}
-static void alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
+static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
struct psmouse *psmouse)
{
f->first_mp = !!(p[4] & 0x40);
@@ -546,24 +553,31 @@ static void alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
((p[2] & 0x7f) << 1) |
(p[4] & 0x01);
- f->x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
+ f->st.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;
+ f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
+ f->pressure = p[5] & 0x7f;
alps_decode_buttons_v3(f, p);
+
+ return 0;
}
-static void alps_decode_rushmore(struct alps_fields *f, unsigned char *p,
+static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p,
struct psmouse *psmouse)
{
alps_decode_pinnacle(f, p, psmouse);
+ /* Rushmore's packet decode has a bit difference with Pinnacle's */
+ f->is_mp = !!(p[5] & 0x40);
+ f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1;
f->x_map |= (p[5] & 0x10) << 11;
f->y_map |= (p[5] & 0x20) << 6;
+
+ return 0;
}
-static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p,
+static int alps_decode_dolphin(struct alps_fields *f, unsigned char *p,
struct psmouse *psmouse)
{
u64 palm_data = 0;
@@ -573,9 +587,9 @@ static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p,
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;
+ f->st.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7));
+ f->st.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3));
+ f->pressure = (p[0] & 4) ? 0 : p[5] & 0x7f;
alps_decode_buttons_v3(f, p);
} else {
f->fingers = ((p[0] & 0x6) >> 1 |
@@ -596,19 +610,21 @@ static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p,
f->x_map = (palm_data >> priv->y_bits) &
(BIT(priv->x_bits) - 1);
}
+
+ return 0;
}
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 x1 = 0, y1 = 0, x2 = 0, y2 = 0;
- int fingers = 0, bmap_fn;
- struct alps_fields f = {0};
+ struct alps_fields *f = &priv->f;
+ int fingers = 0;
- priv->decode_fields(&f, packet, psmouse);
+ memset(f, 0, sizeof(*f));
+
+ priv->decode_fields(f, packet, psmouse);
/*
* There's no single feature of touchpad position and bitmap packets
@@ -623,22 +639,14 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
* packet. Check for this, and when it happens process the
* position packet as usual.
*/
- if (f.is_mp) {
- fingers = f.fingers;
+ 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;
+ if (alps_process_bitmap(priv, f) == 0)
+ fingers = 0; /* Use st data */
/* Now process position packet */
- priv->decode_fields(&f, priv->multi_data,
+ priv->decode_fields(f, priv->multi_data,
psmouse);
} else {
/*
@@ -647,15 +655,14 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
* calculate Pt2, so we need to do position
* packet decode first.
*/
- priv->decode_fields(&f, priv->multi_data,
+ 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);
+ alps_process_bitmap_dolphin(priv, f);
}
} else {
priv->multi_packet = 0;
@@ -670,10 +677,10 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
* out misidentified bitmap packets, we reject anything with this
* bit set.
*/
- if (f.is_mp)
+ if (f->is_mp)
return;
- if (!priv->multi_packet && f.first_mp) {
+ if (!priv->multi_packet && f->first_mp) {
priv->multi_packet = 1;
memcpy(priv->multi_data, packet, sizeof(priv->multi_data));
return;
@@ -687,44 +694,15 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
* with x, y, and z all zero, so these seem to be flukes.
* Ignore them.
*/
- if (f.x && f.y && !f.z)
+ if (f->st.x && f->st.y && !f->pressure)
return;
- /*
- * If we don't have MT data or the bitmaps were empty, we have
- * to rely on ST data.
- */
- if (!fingers) {
- x1 = f.x;
- y1 = f.y;
- fingers = f.z > 0 ? 1 : 0;
- }
-
- 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_mt_report_finger_count(dev, fingers);
-
- 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 (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, f.z);
-
- input_sync(dev);
+ alps_report_semi_mt_data(psmouse, fingers);
if (!(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);
+ 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);
}
}
@@ -823,13 +801,8 @@ 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;
+ struct alps_fields *f = &priv->f;
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
@@ -851,71 +824,207 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
if (++priv->multi_packet > 2) {
priv->multi_packet = 0;
- x_bitmap = ((priv->multi_data[2] & 0x1f) << 10) |
+ f->x_map = ((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) |
+ f->y_map = ((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;
+ f->fingers = alps_process_bitmap(priv, f);
}
- left = packet[4] & 0x01;
- right = packet[4] & 0x02;
+ f->left = packet[4] & 0x01;
+ f->right = packet[4] & 0x02;
- x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) |
- ((packet[0] & 0x30) >> 4);
- y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f);
- z = packet[5] & 0x7f;
+ f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) |
+ ((packet[0] & 0x30) >> 4);
+ f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f);
+ f->pressure = 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;
+ alps_report_semi_mt_data(psmouse, f->fingers);
+}
+
+static bool alps_is_valid_package_v7(struct psmouse *psmouse)
+{
+ switch (psmouse->pktcnt) {
+ case 3:
+ return (psmouse->packet[2] & 0x40) == 0x40;
+ case 4:
+ return (psmouse->packet[3] & 0x48) == 0x48;
+ case 6:
+ return (psmouse->packet[5] & 0x40) == 0x00;
}
+ return true;
+}
- if (z >= 64)
- input_report_key(dev, BTN_TOUCH, 1);
+static unsigned char alps_get_packet_id_v7(char *byte)
+{
+ unsigned char packet_id;
+
+ if (byte[4] & 0x40)
+ packet_id = V7_PACKET_ID_TWO;
+ else if (byte[4] & 0x01)
+ packet_id = V7_PACKET_ID_MULTI;
+ else if ((byte[0] & 0x10) && !(byte[4] & 0x43))
+ packet_id = V7_PACKET_ID_NEW;
+ else if (byte[1] == 0x00 && byte[4] == 0x00)
+ packet_id = V7_PACKET_ID_IDLE;
else
- input_report_key(dev, BTN_TOUCH, 0);
+ packet_id = V7_PACKET_ID_UNKNOWN;
- alps_report_semi_mt_data(dev, fingers, x1, y1, x2, y2);
+ return packet_id;
+}
- input_mt_report_finger_count(dev, fingers);
+static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt,
+ unsigned char *pkt,
+ unsigned char pkt_id)
+{
+ mt[0].x = ((pkt[2] & 0x80) << 4);
+ mt[0].x |= ((pkt[2] & 0x3F) << 5);
+ mt[0].x |= ((pkt[3] & 0x30) >> 1);
+ mt[0].x |= (pkt[3] & 0x07);
+ mt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07);
+
+ mt[1].x = ((pkt[3] & 0x80) << 4);
+ mt[1].x |= ((pkt[4] & 0x80) << 3);
+ mt[1].x |= ((pkt[4] & 0x3F) << 4);
+ mt[1].y = ((pkt[5] & 0x80) << 3);
+ mt[1].y |= ((pkt[5] & 0x3F) << 4);
+
+ switch (pkt_id) {
+ case V7_PACKET_ID_TWO:
+ mt[1].x &= ~0x000F;
+ mt[1].y |= 0x000F;
+ break;
- input_report_key(dev, BTN_LEFT, left);
- input_report_key(dev, BTN_RIGHT, right);
+ case V7_PACKET_ID_MULTI:
+ mt[1].x &= ~0x003F;
+ mt[1].y &= ~0x0020;
+ mt[1].y |= ((pkt[4] & 0x02) << 4);
+ mt[1].y |= 0x001F;
+ break;
- if (z > 0) {
- input_report_abs(dev, ABS_X, x);
- input_report_abs(dev, ABS_Y, y);
+ case V7_PACKET_ID_NEW:
+ mt[1].x &= ~0x003F;
+ mt[1].x |= (pkt[0] & 0x20);
+ mt[1].y |= 0x000F;
+ break;
}
- input_report_abs(dev, ABS_PRESSURE, z);
+
+ mt[0].y = 0x7FF - mt[0].y;
+ mt[1].y = 0x7FF - mt[1].y;
+}
+
+static int alps_get_mt_count(struct input_mt_pos *mt)
+{
+ int i;
+
+ for (i = 0; i < MAX_TOUCHES && mt[i].x != 0 && mt[i].y != 0; i++)
+ /* empty */;
+
+ return i;
+}
+
+static int alps_decode_packet_v7(struct alps_fields *f,
+ unsigned char *p,
+ struct psmouse *psmouse)
+{
+ unsigned char pkt_id;
+
+ pkt_id = alps_get_packet_id_v7(p);
+ if (pkt_id == V7_PACKET_ID_IDLE)
+ return 0;
+ if (pkt_id == V7_PACKET_ID_UNKNOWN)
+ return -1;
+
+ alps_get_finger_coordinate_v7(f->mt, p, pkt_id);
+
+ if (pkt_id == V7_PACKET_ID_TWO || pkt_id == V7_PACKET_ID_MULTI) {
+ f->left = (p[0] & 0x80) >> 7;
+ f->right = (p[0] & 0x20) >> 5;
+ f->middle = (p[0] & 0x10) >> 4;
+ }
+
+ if (pkt_id == V7_PACKET_ID_TWO)
+ f->fingers = alps_get_mt_count(f->mt);
+ else if (pkt_id == V7_PACKET_ID_MULTI)
+ f->fingers = 3 + (p[5] & 0x03);
+
+ return 0;
+}
+
+static void alps_process_trackstick_packet_v7(struct psmouse *psmouse)
+{
+ struct alps_data *priv = psmouse->private;
+ unsigned char *packet = psmouse->packet;
+ 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
+ */
+
+ x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2);
+ y = (packet[3] & 0x07) | (packet[4] & 0xb8) |
+ ((packet[3] & 0x20) << 1);
+ z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1);
+
+ left = (packet[1] & 0x01);
+ right = (packet[1] & 0x02) >> 1;
+ middle = (packet[1] & 0x04) >> 2;
+
+ /* Divide 2 since trackpoint's speed is too fast */
+ input_report_rel(dev2, REL_X, (char)x / 2);
+ input_report_rel(dev2, REL_Y, -((char)y / 2));
+
+ input_report_key(dev2, BTN_LEFT, left);
+ input_report_key(dev2, BTN_RIGHT, right);
+ input_report_key(dev2, BTN_MIDDLE, middle);
+
+ input_sync(dev2);
+}
+
+static void alps_process_touchpad_packet_v7(struct psmouse *psmouse)
+{
+ struct alps_data *priv = psmouse->private;
+ struct input_dev *dev = psmouse->dev;
+ struct alps_fields *f = &priv->f;
+
+ memset(f, 0, sizeof(*f));
+
+ if (priv->decode_fields(f, psmouse->packet, psmouse))
+ return;
+
+ alps_report_mt_data(psmouse, alps_get_mt_count(f->mt));
+
+ input_mt_report_finger_count(dev, f->fingers);
+
+ input_report_key(dev, BTN_LEFT, f->left);
+ input_report_key(dev, BTN_RIGHT, f->right);
+ input_report_key(dev, BTN_MIDDLE, f->middle);
input_sync(dev);
}
+static void alps_process_packet_v7(struct psmouse *psmouse)
+{
+ unsigned char *packet = psmouse->packet;
+
+ if (packet[0] == 0x48 && (packet[4] & 0x47) == 0x06)
+ alps_process_trackstick_packet_v7(psmouse);
+ else
+ alps_process_touchpad_packet_v7(psmouse);
+}
+
static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
unsigned char packet[],
bool report_buttons)
@@ -1080,6 +1189,14 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
return PSMOUSE_BAD_DATA;
}
+ if (priv->proto_version == ALPS_PROTO_V7 &&
+ !alps_is_valid_package_v7(psmouse)) {
+ psmouse_dbg(psmouse, "refusing packet[%i] = %x\n",
+ psmouse->pktcnt - 1,
+ psmouse->packet[psmouse->pktcnt - 1]);
+ return PSMOUSE_BAD_DATA;
+ }
+
if (psmouse->pktcnt == psmouse->pktsize) {
priv->process_packet(psmouse);
return PSMOUSE_FULL_PACKET;
@@ -1192,6 +1309,22 @@ static int alps_rpt_cmd(struct psmouse *psmouse, int init_command,
return 0;
}
+static bool alps_check_valid_firmware_id(unsigned char id[])
+{
+ if (id[0] == 0x73)
+ return true;
+
+ if (id[0] == 0x88 &&
+ (id[1] == 0x07 ||
+ id[1] == 0x08 ||
+ (id[1] & 0xf0) == 0xb0 ||
+ (id[1] & 0xf0) == 0xc0)) {
+ return true;
+ }
+
+ return false;
+}
+
static int alps_enter_command_mode(struct psmouse *psmouse)
{
unsigned char param[4];
@@ -1201,8 +1334,7 @@ static int alps_enter_command_mode(struct psmouse *psmouse)
return -1;
}
- if ((param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) &&
- param[0] != 0x73) {
+ if (!alps_check_valid_firmware_id(param)) {
psmouse_dbg(psmouse,
"unknown response while entering command mode\n");
return -1;
@@ -1660,6 +1792,45 @@ error:
return -1;
}
+static int alps_get_v3_v7_resolution(struct psmouse *psmouse, int reg_pitch)
+{
+ int reg, x_pitch, y_pitch, x_electrode, y_electrode, x_phys, y_phys;
+ struct alps_data *priv = psmouse->private;
+
+ reg = alps_command_mode_read_reg(psmouse, reg_pitch);
+ if (reg < 0)
+ return reg;
+
+ x_pitch = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */
+ x_pitch = 50 + 2 * x_pitch; /* In 0.1 mm units */
+
+ y_pitch = (char)reg >> 4; /* sign extend upper 4 bits */
+ y_pitch = 36 + 2 * y_pitch; /* In 0.1 mm units */
+
+ reg = alps_command_mode_read_reg(psmouse, reg_pitch + 1);
+ if (reg < 0)
+ return reg;
+
+ x_electrode = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */
+ x_electrode = 17 + x_electrode;
+
+ y_electrode = (char)reg >> 4; /* sign extend upper 4 bits */
+ y_electrode = 13 + y_electrode;
+
+ x_phys = x_pitch * (x_electrode - 1); /* In 0.1 mm units */
+ y_phys = y_pitch * (y_electrode - 1); /* In 0.1 mm units */
+
+ priv->x_res = priv->x_max * 10 / x_phys; /* units / mm */
+ priv->y_res = priv->y_max * 10 / y_phys; /* units / mm */
+
+ psmouse_dbg(psmouse,
+ "pitch %dx%d num-electrodes %dx%d physical size %dx%d mm res %dx%d\n",
+ x_pitch, y_pitch, x_electrode, y_electrode,
+ x_phys / 10, y_phys / 10, priv->x_res, priv->y_res);
+
+ return 0;
+}
+
static int alps_hw_init_rushmore_v3(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
@@ -1680,6 +1851,9 @@ static int alps_hw_init_rushmore_v3(struct psmouse *psmouse)
alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00))
goto error;
+ if (alps_get_v3_v7_resolution(psmouse, 0xc2da))
+ goto error;
+
reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6);
if (reg_val == -1)
goto error;
@@ -1856,6 +2030,35 @@ static int alps_hw_init_dolphin_v1(struct psmouse *psmouse)
return 0;
}
+static int alps_hw_init_v7(struct psmouse *psmouse)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ int reg_val, ret = -1;
+
+ if (alps_enter_command_mode(psmouse) ||
+ alps_command_mode_read_reg(psmouse, 0xc2d9) == -1)
+ goto error;
+
+ if (alps_get_v3_v7_resolution(psmouse, 0xc397))
+ goto error;
+
+ if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64))
+ goto error;
+
+ 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;
+}
+
static void alps_set_defaults(struct alps_data *priv)
{
priv->byte0 = 0x8f;
@@ -1914,6 +2117,21 @@ 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;
+ priv->decode_fields = alps_decode_packet_v7;
+ 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 (priv->fw_ver[1] != 0xba)
+ priv->flags |= ALPS_BUTTONPAD;
+ break;
}
}
@@ -1972,6 +2190,9 @@ 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 &&
@@ -1982,6 +2203,12 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *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);
@@ -1990,6 +2217,7 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
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;
@@ -2006,8 +2234,8 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
return 0;
}
- psmouse_info(psmouse,
- "Unknown ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
+ psmouse_dbg(psmouse,
+ "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
return -EINVAL;
}
@@ -2044,17 +2272,21 @@ 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)
{
- 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);
+ input_abs_set_res(dev1, ABS_MT_POSITION_X, priv->x_res);
+ input_abs_set_res(dev1, ABS_MT_POSITION_Y, priv->y_res);
+
+ input_mt_init_slots(dev1, MAX_TOUCHES, INPUT_MT_POINTER |
+ INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK | INPUT_MT_SEMI_MT);
+
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);
+ /* V7 is real multi-touch */
+ if (priv->proto_version == ALPS_PROTO_V7)
+ clear_bit(INPUT_PROP_SEMI_MT, dev1->propbit);
}
int alps_init(struct psmouse *psmouse)
@@ -2100,7 +2332,9 @@ int alps_init(struct psmouse *psmouse)
dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS);
priv->set_abs_params(priv, dev1);
- input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
+ /* No pressure on V7 */
+ if (priv->proto_version != ALPS_PROTO_V7)
+ input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
if (priv->flags & ALPS_WHEEL) {
dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL);
@@ -2117,6 +2351,9 @@ int alps_init(struct psmouse *psmouse)
dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1);
dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2);
dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3);
+ } else if (priv->flags & ALPS_BUTTONPAD) {
+ set_bit(INPUT_PROP_BUTTONPAD, dev1->propbit);
+ clear_bit(BTN_RIGHT, dev1->keybit);
} else {
dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE);
}
@@ -2136,6 +2373,10 @@ int alps_init(struct psmouse *psmouse)
dev2->keybit[BIT_WORD(BTN_LEFT)] =
BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
+ __set_bit(INPUT_PROP_POINTER, dev2->propbit);
+ if (priv->flags & ALPS_DUALPOINT)
+ __set_bit(INPUT_PROP_POINTING_STICK, dev2->propbit);
+
if (input_register_device(priv->dev2))
goto init_fail;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 03:43:35 +0300