* Apple USB BCM5974 (Macbook Air and Penryn Macbook Pro) multitouch driver
*
* Copyright (C) 2008 Henrik Rydberg (rydberg@euromail.se)
+ * Copyright (C) 2015 John Horan (knasher@gmail.com)
*
* The USB initialization and package decoding was made by
* Scott Shawcroft as part of the touchd user-space driver project:
#define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290
#define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291
#define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292
+/* MacbookPro12,1 (2015) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI 0x0272
+#define USB_DEVICE_ID_APPLE_WELLSPRING9_ISO 0x0273
+#define USB_DEVICE_ID_APPLE_WELLSPRING9_JIS 0x0274
#define BCM5974_DEVICE(prod) { \
.match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI),
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ISO),
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_JIS),
+ /* MacbookPro12,1 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_JIS),
/* Terminating entry */
{}
};
enum tp_type {
TYPE1, /* plain trackpad */
TYPE2, /* button integrated in trackpad */
- TYPE3 /* additional header fields since June 2013 */
+ TYPE3, /* additional header fields since June 2013 */
+ TYPE4 /* additional header field for pressure data */
};
/* trackpad finger data offsets, le16-aligned */
-#define FINGER_TYPE1 (13 * sizeof(__le16))
-#define FINGER_TYPE2 (15 * sizeof(__le16))
-#define FINGER_TYPE3 (19 * sizeof(__le16))
+#define HEADER_TYPE1 (13 * sizeof(__le16))
+#define HEADER_TYPE2 (15 * sizeof(__le16))
+#define HEADER_TYPE3 (19 * sizeof(__le16))
+#define HEADER_TYPE4 (23 * sizeof(__le16))
/* trackpad button data offsets */
+#define BUTTON_TYPE1 0
#define BUTTON_TYPE2 15
#define BUTTON_TYPE3 23
+#define BUTTON_TYPE4 31
/* list of device capability bits */
#define HAS_INTEGRATED_BUTTON 1
+/* trackpad finger data block size */
+#define FSIZE_TYPE1 (14 * sizeof(__le16))
+#define FSIZE_TYPE2 (14 * sizeof(__le16))
+#define FSIZE_TYPE3 (14 * sizeof(__le16))
+#define FSIZE_TYPE4 (15 * sizeof(__le16))
+
+/* offset from header to finger struct */
+#define DELTA_TYPE1 (0 * sizeof(__le16))
+#define DELTA_TYPE2 (0 * sizeof(__le16))
+#define DELTA_TYPE3 (0 * sizeof(__le16))
+#define DELTA_TYPE4 (1 * sizeof(__le16))
+
+/* usb control message mode switch data */
+#define USBMSG_TYPE1 8, 0x300, 0, 0, 0x1, 0x8
+#define USBMSG_TYPE2 8, 0x300, 0, 0, 0x1, 0x8
+#define USBMSG_TYPE3 8, 0x300, 0, 0, 0x1, 0x8
+#define USBMSG_TYPE4 2, 0x302, 2, 1, 0x1, 0x0
+
+/* Wellspring initialization constants */
+#define BCM5974_WELLSPRING_MODE_READ_REQUEST_ID 1
+#define BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID 9
+
/* trackpad finger structure, le16-aligned */
struct tp_finger {
__le16 origin; /* zero when switching track finger */
__le16 orientation; /* 16384 when point, else 15 bit angle */
__le16 touch_major; /* touch area, major axis */
__le16 touch_minor; /* touch area, minor axis */
- __le16 unused[3]; /* zeros */
+ __le16 unused[2]; /* zeros */
+ __le16 pressure; /* pressure on forcetouch touchpad */
__le16 multi; /* one finger: varies, more fingers: constant */
} __attribute__((packed,aligned(2)));
/* trackpad finger data size, empirically at least ten fingers */
#define MAX_FINGERS 16
-#define SIZEOF_FINGER sizeof(struct tp_finger)
-#define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER)
#define MAX_FINGER_ORIENTATION 16384
/* device-specific parameters */
int bt_datalen; /* data length of the button interface */
int tp_ep; /* the endpoint of the trackpad interface */
enum tp_type tp_type; /* type of trackpad interface */
- int tp_offset; /* offset to trackpad finger data */
+ int tp_header; /* bytes in header block */
int tp_datalen; /* data length of the trackpad interface */
+ int tp_button; /* offset to button data */
+ int tp_fsize; /* bytes in single finger block */
+ int tp_delta; /* offset from header to finger struct */
+ int um_size; /* usb control message length */
+ int um_req_val; /* usb control message value */
+ int um_req_idx; /* usb control message index */
+ int um_switch_idx; /* usb control message mode switch index */
+ int um_switch_on; /* usb control message mode switch on */
+ int um_switch_off; /* usb control message mode switch off */
struct bcm5974_param p; /* finger pressure limits */
struct bcm5974_param w; /* finger width limits */
struct bcm5974_param x; /* horizontal limits */
int slots[MAX_FINGERS]; /* slot assignments */
};
+/* trackpad finger block data, le16-aligned */
+static const struct tp_finger *get_tp_finger(const struct bcm5974 *dev, int i)
+{
+ const struct bcm5974_config *c = &dev->cfg;
+ u8 *f_base = dev->tp_data + c->tp_header + c->tp_delta;
+
+ return (const struct tp_finger *)(f_base + i * c->tp_fsize);
+}
+
+#define DATAFORMAT(type) \
+ type, \
+ HEADER_##type, \
+ HEADER_##type + (MAX_FINGERS) * (FSIZE_##type), \
+ BUTTON_##type, \
+ FSIZE_##type, \
+ DELTA_##type, \
+ USBMSG_##type
+
/* logical signal quality */
#define SN_PRESSURE 45 /* pressure signal-to-noise ratio */
#define SN_WIDTH 25 /* width signal-to-noise ratio */
USB_DEVICE_ID_APPLE_WELLSPRING_JIS,
0,
0x84, sizeof(struct bt_data),
- 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE1),
{ SN_PRESSURE, 0, 256 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4824, 5342 },
USB_DEVICE_ID_APPLE_WELLSPRING2_JIS,
0,
0x84, sizeof(struct bt_data),
- 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE1),
{ SN_PRESSURE, 0, 256 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4824, 4824 },
USB_DEVICE_ID_APPLE_WELLSPRING3_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4460, 5166 },
USB_DEVICE_ID_APPLE_WELLSPRING4_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4620, 5140 },
USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4616, 5112 },
USB_DEVICE_ID_APPLE_WELLSPRING5_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4415, 5050 },
USB_DEVICE_ID_APPLE_WELLSPRING6_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4620, 5140 },
USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4750, 5280 },
USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4620, 5140 },
USB_DEVICE_ID_APPLE_WELLSPRING7_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4750, 5280 },
USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS,
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
- 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ 0x81, DATAFORMAT(TYPE2),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4750, 5280 },
USB_DEVICE_ID_APPLE_WELLSPRING8_JIS,
HAS_INTEGRATED_BUTTON,
0, sizeof(struct bt_data),
- 0x83, TYPE3, FINGER_TYPE3, FINGER_TYPE3 + SIZEOF_ALL_FINGERS,
+ 0x83, DATAFORMAT(TYPE3),
{ SN_PRESSURE, 0, 300 },
{ SN_WIDTH, 0, 2048 },
{ SN_COORD, -4620, 5140 },
{ SN_COORD, -150, 6600 },
{ SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
},
+ {
+ USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING9_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING9_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0, sizeof(struct bt_data),
+ 0x83, DATAFORMAT(TYPE4),
+ { SN_PRESSURE, 0, 300 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4828, 5345 },
+ { SN_COORD, -203, 6803 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+ },
{}
};
struct input_dev *input = dev->input;
int raw_n, i, n = 0;
- if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0)
+ if (size < c->tp_header || (size - c->tp_header) % c->tp_fsize != 0)
return -EIO;
- /* finger data, le16-aligned */
- f = (const struct tp_finger *)(dev->tp_data + c->tp_offset);
- raw_n = (size - c->tp_offset) / SIZEOF_FINGER;
+ raw_n = (size - c->tp_header) / c->tp_fsize;
for (i = 0; i < raw_n; i++) {
- if (raw2int(f[i].touch_major) == 0)
+ f = get_tp_finger(dev, i);
+ if (raw2int(f->touch_major) == 0)
continue;
- dev->pos[n].x = raw2int(f[i].abs_x);
- dev->pos[n].y = c->y.min + c->y.max - raw2int(f[i].abs_y);
- dev->index[n++] = &f[i];
+ dev->pos[n].x = raw2int(f->abs_x);
+ dev->pos[n].y = c->y.min + c->y.max - raw2int(f->abs_y);
+ dev->index[n++] = f;
}
input_mt_assign_slots(input, dev->slots, dev->pos, n, 0);
input_mt_sync_frame(input);
- report_synaptics_data(input, c, f, raw_n);
+ report_synaptics_data(input, c, get_tp_finger(dev, 0), raw_n);
- /* type 2 reports button events via ibt only */
- if (c->tp_type == TYPE2) {
- int ibt = raw2int(dev->tp_data[BUTTON_TYPE2]);
+ /* later types report button events via integrated button only */
+ if (c->caps & HAS_INTEGRATED_BUTTON) {
+ int ibt = raw2int(dev->tp_data[c->tp_button]);
input_report_key(input, BTN_LEFT, ibt);
}
- if (c->tp_type == TYPE3)
- input_report_key(input, BTN_LEFT, dev->tp_data[BUTTON_TYPE3]);
-
input_sync(input);
return 0;
}
-/* Wellspring initialization constants */
-#define BCM5974_WELLSPRING_MODE_READ_REQUEST_ID 1
-#define BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID 9
-#define BCM5974_WELLSPRING_MODE_REQUEST_VALUE 0x300
-#define BCM5974_WELLSPRING_MODE_REQUEST_INDEX 0
-#define BCM5974_WELLSPRING_MODE_VENDOR_VALUE 0x01
-#define BCM5974_WELLSPRING_MODE_NORMAL_VALUE 0x08
-
static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on)
{
+ const struct bcm5974_config *c = &dev->cfg;
int retval = 0, size;
char *data;
if (dev->cfg.tp_type == TYPE3)
return 0;
- data = kmalloc(8, GFP_KERNEL);
+ data = kmalloc(c->um_size, GFP_KERNEL);
if (!data) {
dev_err(&dev->intf->dev, "out of memory\n");
retval = -ENOMEM;
size = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
BCM5974_WELLSPRING_MODE_READ_REQUEST_ID,
USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
- BCM5974_WELLSPRING_MODE_REQUEST_VALUE,
- BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000);
+ c->um_req_val, c->um_req_idx, data, c->um_size, 5000);
- if (size != 8) {
+ if (size != c->um_size) {
dev_err(&dev->intf->dev, "could not read from device\n");
retval = -EIO;
goto out;
}
/* apply the mode switch */
- data[0] = on ?
- BCM5974_WELLSPRING_MODE_VENDOR_VALUE :
- BCM5974_WELLSPRING_MODE_NORMAL_VALUE;
+ data[c->um_switch_idx] = on ? c->um_switch_on : c->um_switch_off;
/* write configuration */
size = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
- BCM5974_WELLSPRING_MODE_REQUEST_VALUE,
- BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000);
+ c->um_req_val, c->um_req_idx, data, c->um_size, 5000);
- if (size != 8) {
+ if (size != c->um_size) {
dev_err(&dev->intf->dev, "could not write to device\n");
retval = -EIO;
goto out;
struct elantech_data *etd = psmouse->private;
unsigned char *packet = psmouse->packet;
unsigned char packet_type = packet[3] & 0x03;
+ unsigned int ic_version;
bool sanity_check;
if (etd->tp_dev && (packet[3] & 0x0f) == 0x06)
return PACKET_TRACKPOINT;
+ /* This represents the version of IC body. */
+ ic_version = (etd->fw_version & 0x0f0000) >> 16;
+
/*
* Sanity check based on the constant bits of a packet.
* The constant bits change depending on the value of
- * the hardware flag 'crc_enabled' but are the same for
- * every packet, regardless of the type.
+ * the hardware flag 'crc_enabled' and the version of
+ * the IC body, but are the same for every packet,
+ * regardless of the type.
*/
if (etd->crc_enabled)
sanity_check = ((packet[3] & 0x08) == 0x00);
+ else if (ic_version == 7 && etd->samples[1] == 0x2A)
+ sanity_check = ((packet[3] & 0x1c) == 0x10);
else
sanity_check = ((packet[0] & 0x0c) == 0x04 &&
(packet[3] & 0x1c) == 0x10);
* Avatar AVIU-145A2 0x361f00 ? clickpad
* Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons
* Fujitsu LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons
+ * Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons
* Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**)
* Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons
* Lenovo L430 0x350f02 b9, 15, 0c 2 hw buttons (*)
struct input_dev *dev = psmouse->dev;
struct elantech_data *etd = psmouse->private;
unsigned int x_min = 0, y_min = 0, x_max = 0, y_max = 0, width = 0;
- unsigned int x_res = 0, y_res = 0;
+ unsigned int x_res = 31, y_res = 31;
if (elantech_set_range(psmouse, &x_min, &y_min, &x_max, &y_max, &width))
return -1;
/* For X to recognize me as touchpad. */
input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
input_set_abs_params(dev, ABS_Y, y_min, y_max, 0, 0);
- input_abs_set_res(dev, ABS_X, x_res);
- input_abs_set_res(dev, ABS_Y, y_res);
/*
* range of pressure and width is the same as v2,
* report ABS_PRESSURE, ABS_TOOL_WIDTH for compatibility.
input_mt_init_slots(dev, ETP_MAX_FINGERS, 0);
input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0);
input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0);
- input_abs_set_res(dev, ABS_MT_POSITION_X, x_res);
- input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res);
input_set_abs_params(dev, ABS_MT_PRESSURE, ETP_PMIN_V2,
ETP_PMAX_V2, 0, 0);
/*
break;
}
+ input_abs_set_res(dev, ABS_X, x_res);
+ input_abs_set_res(dev, ABS_Y, y_res);
+ if (etd->hw_version > 1) {
+ input_abs_set_res(dev, ABS_MT_POSITION_X, x_res);
+ input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res);
+ }
+
etd->y_max = y_max;
etd->width = width;
etd->capabilities[0], etd->capabilities[1],
etd->capabilities[2]);
+ if (etd->hw_version != 1) {
+ if (etd->send_cmd(psmouse, ETP_SAMPLE_QUERY, etd->samples)) {
+ psmouse_err(psmouse, "failed to query sample data\n");
+ goto init_fail;
+ }
+ psmouse_info(psmouse,
+ "Elan sample query result %02x, %02x, %02x\n",
+ etd->samples[0], etd->samples[1], etd->samples[2]);
+ }
+
if (elantech_set_absolute_mode(psmouse)) {
psmouse_err(psmouse,
"failed to put touchpad into absolute mode.\n");
projects / cascardo / linux.git / commitdiff