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Input: alps - add support for v7 devices
Such as found on the new Toshiba Portégé Z30-A and Z40-A. Signed-off-by: Yunkang Tang <yunkang.tang@cn.alps.com> [hdegoede@redhat.com: Remove softbutton handling, this is done in userspace] [hdegoede@redhat.com: Report INPUT_PROP_BUTTONPAD] [hdegoede@redhat.com: Do not report fake PRESSURE, reporting BTN_TOUCH is enough] [hdegoede@redhat.com: Various cleanups / refactoring] Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Yunkang Tang
Dmitry Torokhov
parent
c0cd17f6dc
commit
3808843cf1
@ -100,6 +100,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = {
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#define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with
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6-byte ALPS packet */
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#define ALPS_IS_RUSHMORE 0x100 /* device is a rushmore */
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#define ALPS_BUTTONPAD 0x200 /* device is a clickpad */
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static const struct alps_model_info alps_model_data[] = {
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{ { 0x32, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */
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@ -845,6 +846,185 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
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alps_report_semi_mt_data(psmouse, f->fingers);
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}
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static bool alps_is_valid_package_v7(struct psmouse *psmouse)
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{
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switch (psmouse->pktcnt) {
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case 3:
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return (psmouse->packet[2] & 0x40) == 0x40;
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case 4:
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return (psmouse->packet[3] & 0x48) == 0x48;
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case 6:
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return (psmouse->packet[5] & 0x40) == 0x00;
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}
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return true;
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}
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static unsigned char alps_get_packet_id_v7(char *byte)
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{
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unsigned char packet_id;
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if (byte[4] & 0x40)
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packet_id = V7_PACKET_ID_TWO;
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else if (byte[4] & 0x01)
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packet_id = V7_PACKET_ID_MULTI;
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else if ((byte[0] & 0x10) && !(byte[4] & 0x43))
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packet_id = V7_PACKET_ID_NEW;
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else if (byte[1] == 0x00 && byte[4] == 0x00)
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packet_id = V7_PACKET_ID_IDLE;
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else
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packet_id = V7_PACKET_ID_UNKNOWN;
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return packet_id;
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}
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static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt,
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unsigned char *pkt,
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unsigned char pkt_id)
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{
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mt[0].x = ((pkt[2] & 0x80) << 4);
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mt[0].x |= ((pkt[2] & 0x3F) << 5);
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mt[0].x |= ((pkt[3] & 0x30) >> 1);
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mt[0].x |= (pkt[3] & 0x07);
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mt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07);
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mt[1].x = ((pkt[3] & 0x80) << 4);
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mt[1].x |= ((pkt[4] & 0x80) << 3);
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mt[1].x |= ((pkt[4] & 0x3F) << 4);
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mt[1].y = ((pkt[5] & 0x80) << 3);
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mt[1].y |= ((pkt[5] & 0x3F) << 4);
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switch (pkt_id) {
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case V7_PACKET_ID_TWO:
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mt[1].x &= ~0x000F;
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mt[1].y |= 0x000F;
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break;
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case V7_PACKET_ID_MULTI:
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mt[1].x &= ~0x003F;
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mt[1].y &= ~0x0020;
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mt[1].y |= ((pkt[4] & 0x02) << 4);
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mt[1].y |= 0x001F;
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break;
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case V7_PACKET_ID_NEW:
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mt[1].x &= ~0x003F;
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mt[1].x |= (pkt[0] & 0x20);
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mt[1].y |= 0x000F;
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break;
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}
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mt[0].y = 0x7FF - mt[0].y;
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mt[1].y = 0x7FF - mt[1].y;
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}
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static int alps_get_mt_count(struct input_mt_pos *mt)
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{
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int i;
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for (i = 0; i < MAX_TOUCHES && mt[i].x != 0 && mt[i].y != 0; i++)
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/* empty */;
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return i;
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}
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static int alps_decode_packet_v7(struct alps_fields *f,
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unsigned char *p,
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struct psmouse *psmouse)
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{
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unsigned char pkt_id;
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pkt_id = alps_get_packet_id_v7(p);
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if (pkt_id == V7_PACKET_ID_IDLE)
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return 0;
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if (pkt_id == V7_PACKET_ID_UNKNOWN)
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return -1;
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alps_get_finger_coordinate_v7(f->mt, p, pkt_id);
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if (pkt_id == V7_PACKET_ID_TWO || pkt_id == V7_PACKET_ID_MULTI) {
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f->left = (p[0] & 0x80) >> 7;
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f->right = (p[0] & 0x20) >> 5;
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f->middle = (p[0] & 0x10) >> 4;
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}
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if (pkt_id == V7_PACKET_ID_TWO)
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f->fingers = alps_get_mt_count(f->mt);
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else if (pkt_id == V7_PACKET_ID_MULTI)
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f->fingers = 3 + (p[5] & 0x03);
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return 0;
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}
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static void alps_process_trackstick_packet_v7(struct psmouse *psmouse)
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{
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struct alps_data *priv = psmouse->private;
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unsigned char *packet = psmouse->packet;
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struct input_dev *dev2 = priv->dev2;
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int x, y, z, left, right, middle;
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/*
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* b7 b6 b5 b4 b3 b2 b1 b0
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* Byte0 0 1 0 0 1 0 0 0
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* Byte1 1 1 * * 1 M R L
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* Byte2 X7 1 X5 X4 X3 X2 X1 X0
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* Byte3 Z6 1 Y6 X6 1 Y2 Y1 Y0
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* Byte4 Y7 0 Y5 Y4 Y3 1 1 0
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* Byte5 T&P 0 Z5 Z4 Z3 Z2 Z1 Z0
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* M / R / L: Middle / Right / Left button
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*/
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x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2);
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y = (packet[3] & 0x07) | (packet[4] & 0xb8) |
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((packet[3] & 0x20) << 1);
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z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1);
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left = (packet[1] & 0x01);
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right = (packet[1] & 0x02) >> 1;
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middle = (packet[1] & 0x04) >> 2;
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/* Divide 2 since trackpoint's speed is too fast */
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input_report_rel(dev2, REL_X, (char)x / 2);
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input_report_rel(dev2, REL_Y, -((char)y / 2));
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input_report_key(dev2, BTN_LEFT, left);
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input_report_key(dev2, BTN_RIGHT, right);
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input_report_key(dev2, BTN_MIDDLE, middle);
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input_sync(dev2);
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}
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static void alps_process_touchpad_packet_v7(struct psmouse *psmouse)
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{
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struct alps_data *priv = psmouse->private;
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struct input_dev *dev = psmouse->dev;
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struct alps_fields *f = &priv->f;
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memset(f, 0, sizeof(*f));
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if (priv->decode_fields(f, psmouse->packet, psmouse))
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return;
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alps_report_mt_data(psmouse, alps_get_mt_count(f->mt));
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input_mt_report_finger_count(dev, f->fingers);
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input_report_key(dev, BTN_LEFT, f->left);
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input_report_key(dev, BTN_RIGHT, f->right);
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input_report_key(dev, BTN_MIDDLE, f->middle);
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input_sync(dev);
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}
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static void alps_process_packet_v7(struct psmouse *psmouse)
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{
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unsigned char *packet = psmouse->packet;
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if (packet[0] == 0x48 && (packet[4] & 0x47) == 0x06)
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alps_process_trackstick_packet_v7(psmouse);
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else
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alps_process_touchpad_packet_v7(psmouse);
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}
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static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
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unsigned char packet[],
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bool report_buttons)
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@ -1009,6 +1189,14 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
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return PSMOUSE_BAD_DATA;
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}
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if (priv->proto_version == ALPS_PROTO_V7 &&
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!alps_is_valid_package_v7(psmouse)) {
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psmouse_dbg(psmouse, "refusing packet[%i] = %x\n",
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psmouse->pktcnt - 1,
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psmouse->packet[psmouse->pktcnt - 1]);
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return PSMOUSE_BAD_DATA;
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}
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if (psmouse->pktcnt == psmouse->pktsize) {
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priv->process_packet(psmouse);
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return PSMOUSE_FULL_PACKET;
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@ -1121,6 +1309,22 @@ static int alps_rpt_cmd(struct psmouse *psmouse, int init_command,
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return 0;
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}
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static bool alps_check_valid_firmware_id(unsigned char id[])
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{
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if (id[0] == 0x73)
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return true;
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if (id[0] == 0x88 &&
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(id[1] == 0x07 ||
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id[1] == 0x08 ||
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(id[1] & 0xf0) == 0xb0 ||
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(id[1] & 0xf0) == 0xc0)) {
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return true;
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}
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return false;
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}
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static int alps_enter_command_mode(struct psmouse *psmouse)
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{
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unsigned char param[4];
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@ -1130,8 +1334,7 @@ static int alps_enter_command_mode(struct psmouse *psmouse)
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return -1;
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}
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if ((param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) &&
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param[0] != 0x73) {
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if (!alps_check_valid_firmware_id(param)) {
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psmouse_dbg(psmouse,
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"unknown response while entering command mode\n");
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return -1;
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@ -1785,6 +1988,32 @@ static int alps_hw_init_dolphin_v1(struct psmouse *psmouse)
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return 0;
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}
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static int alps_hw_init_v7(struct psmouse *psmouse)
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{
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struct ps2dev *ps2dev = &psmouse->ps2dev;
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int reg_val, ret = -1;
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if (alps_enter_command_mode(psmouse) ||
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alps_command_mode_read_reg(psmouse, 0xc2d9) == -1)
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goto error;
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if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64))
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goto error;
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reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4);
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if (reg_val == -1)
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goto error;
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if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02))
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goto error;
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alps_exit_command_mode(psmouse);
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return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE);
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error:
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alps_exit_command_mode(psmouse);
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return ret;
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}
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static void alps_set_defaults(struct alps_data *priv)
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{
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priv->byte0 = 0x8f;
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@ -1843,6 +2072,21 @@ static void alps_set_defaults(struct alps_data *priv)
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priv->x_max = 2047;
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priv->y_max = 1535;
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break;
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case ALPS_PROTO_V7:
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priv->hw_init = alps_hw_init_v7;
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priv->process_packet = alps_process_packet_v7;
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priv->decode_fields = alps_decode_packet_v7;
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priv->set_abs_params = alps_set_abs_params_mt;
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priv->nibble_commands = alps_v3_nibble_commands;
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priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
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priv->x_max = 0xfff;
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priv->y_max = 0x7ff;
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priv->byte0 = 0x48;
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priv->mask0 = 0x48;
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if (priv->fw_ver[1] != 0xba)
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priv->flags |= ALPS_BUTTONPAD;
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break;
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}
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}
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@ -1914,6 +2158,12 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
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return -EIO;
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else
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return 0;
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} else if (ec[0] == 0x88 &&
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((ec[1] & 0xf0) == 0xb0 || (ec[1] & 0xf0) == 0xc0)) {
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priv->proto_version = ALPS_PROTO_V7;
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alps_set_defaults(priv);
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return 0;
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} else if (ec[0] == 0x88 && ec[1] == 0x08) {
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priv->proto_version = ALPS_PROTO_V3;
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alps_set_defaults(priv);
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@ -1985,6 +2235,10 @@ static void alps_set_abs_params_mt(struct alps_data *priv,
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set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit);
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set_bit(BTN_TOOL_QUADTAP, dev1->keybit);
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/* V7 is real multi-touch */
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if (priv->proto_version == ALPS_PROTO_V7)
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clear_bit(INPUT_PROP_SEMI_MT, dev1->propbit);
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}
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int alps_init(struct psmouse *psmouse)
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@ -2030,7 +2284,9 @@ int alps_init(struct psmouse *psmouse)
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dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS);
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priv->set_abs_params(priv, dev1);
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input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
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/* No pressure on V7 */
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if (priv->proto_version != ALPS_PROTO_V7)
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input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
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if (priv->flags & ALPS_WHEEL) {
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dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL);
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@ -2047,6 +2303,9 @@ int alps_init(struct psmouse *psmouse)
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dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1);
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dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2);
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dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3);
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} else if (priv->flags & ALPS_BUTTONPAD) {
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set_bit(INPUT_PROP_BUTTONPAD, dev1->propbit);
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clear_bit(BTN_RIGHT, dev1->keybit);
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} else {
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dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE);
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}
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@ -20,6 +20,7 @@
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#define ALPS_PROTO_V4 4
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#define ALPS_PROTO_V5 5
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#define ALPS_PROTO_V6 6
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#define ALPS_PROTO_V7 7 /* t3btl t4s */
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#define MAX_TOUCHES 2
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@ -27,6 +28,23 @@
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#define DOLPHIN_PROFILE_XOFFSET 8 /* x-electrode offset */
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#define DOLPHIN_PROFILE_YOFFSET 1 /* y-electrode offset */
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/*
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* enum V7_PACKET_ID - defines the packet type for V7
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* V7_PACKET_ID_IDLE: There's no finger and no button activity.
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* V7_PACKET_ID_TWO: There's one or two non-resting fingers on touchpad
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* or there's button activities.
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* V7_PACKET_ID_MULTI: There are at least three non-resting fingers.
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* V7_PACKET_ID_NEW: The finger position in slot is not continues from
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* previous packet.
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*/
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enum V7_PACKET_ID {
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V7_PACKET_ID_IDLE,
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V7_PACKET_ID_TWO,
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V7_PACKET_ID_MULTI,
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V7_PACKET_ID_NEW,
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V7_PACKET_ID_UNKNOWN,
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};
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/**
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* struct alps_model_info - touchpad ID table
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* @signature: E7 response string to match.
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