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path: root/drivers/input/mouse/bcm5974.c
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Diffstat (limited to 'drivers/input/mouse/bcm5974.c')
-rw-r--r--drivers/input/mouse/bcm5974.c532
1 files changed, 340 insertions, 192 deletions
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index b9523176391..c329cdb0b91 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -34,12 +34,12 @@
#include <linux/kernel.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/usb/input.h>
#include <linux/hid.h>
#include <linux/mutex.h>
+#include <linux/input/mt.h>
#define USB_VENDOR_ID_APPLE 0x05ac
@@ -55,6 +55,42 @@
#define USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI 0x0236
#define USB_DEVICE_ID_APPLE_WELLSPRING3_ISO 0x0237
#define USB_DEVICE_ID_APPLE_WELLSPRING3_JIS 0x0238
+/* MacbookAir3,2 (unibody), aka wellspring5 */
+#define USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI 0x023f
+#define USB_DEVICE_ID_APPLE_WELLSPRING4_ISO 0x0240
+#define USB_DEVICE_ID_APPLE_WELLSPRING4_JIS 0x0241
+/* MacbookAir3,1 (unibody), aka wellspring4 */
+#define USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI 0x0242
+#define USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO 0x0243
+#define USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS 0x0244
+/* Macbook8 (unibody, March 2011) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI 0x0245
+#define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO 0x0246
+#define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS 0x0247
+/* MacbookAir4,1 (unibody, July 2011) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI 0x0249
+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO 0x024a
+#define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS 0x024b
+/* MacbookAir4,2 (unibody, July 2011) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI 0x024c
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO 0x024d
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_JIS 0x024e
+/* Macbook8,2 (unibody) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI 0x0252
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO 0x0253
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS 0x0254
+/* MacbookPro10,1 (unibody, June 2012) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262
+#define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263
+#define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264
+/* MacbookPro10,2 (unibody, October 2012) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b
+/* MacbookAir6,2 (unibody, June 2013) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290
+#define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291
+#define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292
#define BCM5974_DEVICE(prod) { \
.match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \
@@ -80,6 +116,42 @@ static const struct usb_device_id bcm5974_table[] = {
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI),
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ISO),
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_JIS),
+ /* MacbookAir3,2 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4_JIS),
+ /* MacbookAir3,1 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS),
+ /* MacbookPro8 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_JIS),
+ /* MacbookAir4,1 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS),
+ /* MacbookAir4,2 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_JIS),
+ /* MacbookPro8,2 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS),
+ /* MacbookPro10,1 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
+ /* MacbookPro10,2 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
+ /* MacbookAir6,2 */
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_JIS),
/* Terminating entry */
{}
};
@@ -107,15 +179,18 @@ struct bt_data {
/* trackpad header types */
enum tp_type {
TYPE1, /* plain trackpad */
- TYPE2 /* button integrated in trackpad */
+ TYPE2, /* button integrated in trackpad */
+ TYPE3 /* additional header fields since June 2013 */
};
/* trackpad finger data offsets, le16-aligned */
#define FINGER_TYPE1 (13 * sizeof(__le16))
#define FINGER_TYPE2 (15 * sizeof(__le16))
+#define FINGER_TYPE3 (19 * sizeof(__le16))
/* trackpad button data offsets */
#define BUTTON_TYPE2 15
+#define BUTTON_TYPE3 23
/* list of device capability bits */
#define HAS_INTEGRATED_BUTTON 1
@@ -127,26 +202,26 @@ struct tp_finger {
__le16 abs_y; /* absolute y coodinate */
__le16 rel_x; /* relative x coodinate */
__le16 rel_y; /* relative y coodinate */
- __le16 size_major; /* finger size, major axis? */
- __le16 size_minor; /* finger size, minor axis? */
+ __le16 tool_major; /* tool area, major axis */
+ __le16 tool_minor; /* tool area, minor axis */
__le16 orientation; /* 16384 when point, else 15 bit angle */
- __le16 force_major; /* trackpad force, major axis? */
- __le16 force_minor; /* trackpad force, minor axis? */
+ __le16 touch_major; /* touch area, major axis */
+ __le16 touch_minor; /* touch area, minor axis */
__le16 unused[3]; /* zeros */
__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 (16 * SIZEOF_FINGER)
+#define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER)
#define MAX_FINGER_ORIENTATION 16384
/* device-specific parameters */
struct bcm5974_param {
- int dim; /* logical dimension */
- int fuzz; /* logical noise value */
- int devmin; /* device minimum reading */
- int devmax; /* device maximum reading */
+ int snratio; /* signal-to-noise ratio */
+ int min; /* device minimum reading */
+ int max; /* device maximum reading */
};
/* device-specific configuration */
@@ -163,6 +238,7 @@ struct bcm5974_config {
struct bcm5974_param w; /* finger width limits */
struct bcm5974_param x; /* horizontal limits */
struct bcm5974_param y; /* vertical limits */
+ struct bcm5974_param o; /* orientation limits */
};
/* logical device structure */
@@ -178,23 +254,16 @@ struct bcm5974 {
struct bt_data *bt_data; /* button transferred data */
struct urb *tp_urb; /* trackpad usb request block */
u8 *tp_data; /* trackpad transferred data */
- int fingers; /* number of fingers on trackpad */
+ const struct tp_finger *index[MAX_FINGERS]; /* finger index data */
+ struct input_mt_pos pos[MAX_FINGERS]; /* position array */
+ int slots[MAX_FINGERS]; /* slot assignments */
};
-/* logical dimensions */
-#define DIM_PRESSURE 256 /* maximum finger pressure */
-#define DIM_WIDTH 16 /* maximum finger width */
-#define DIM_X 1280 /* maximum trackpad x value */
-#define DIM_Y 800 /* maximum trackpad y value */
-
/* logical signal quality */
#define SN_PRESSURE 45 /* pressure signal-to-noise ratio */
-#define SN_WIDTH 100 /* width signal-to-noise ratio */
+#define SN_WIDTH 25 /* width signal-to-noise ratio */
#define SN_COORD 250 /* coordinate signal-to-noise ratio */
-
-/* pressure thresholds */
-#define PRESSURE_LOW (2 * DIM_PRESSURE / SN_PRESSURE)
-#define PRESSURE_HIGH (3 * PRESSURE_LOW)
+#define SN_ORIENT 10 /* orientation signal-to-noise ratio */
/* device constants */
static const struct bcm5974_config bcm5974_config_table[] = {
@@ -205,10 +274,11 @@ static const struct bcm5974_config bcm5974_config_table[] = {
0,
0x84, sizeof(struct bt_data),
0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS,
- { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 },
- { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
- { DIM_X, DIM_X / SN_COORD, -4824, 5342 },
- { DIM_Y, DIM_Y / SN_COORD, -172, 5820 }
+ { SN_PRESSURE, 0, 256 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4824, 5342 },
+ { SN_COORD, -172, 5820 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
},
{
USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI,
@@ -217,10 +287,11 @@ static const struct bcm5974_config bcm5974_config_table[] = {
0,
0x84, sizeof(struct bt_data),
0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS,
- { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 },
- { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
- { DIM_X, DIM_X / SN_COORD, -4824, 4824 },
- { DIM_Y, DIM_Y / SN_COORD, -172, 4290 }
+ { SN_PRESSURE, 0, 256 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4824, 4824 },
+ { SN_COORD, -172, 4290 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
},
{
USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI,
@@ -229,10 +300,128 @@ static const struct bcm5974_config bcm5974_config_table[] = {
HAS_INTEGRATED_BUTTON,
0x84, sizeof(struct bt_data),
0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
- { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
- { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
- { DIM_X, DIM_X / SN_COORD, -4460, 5166 },
- { DIM_Y, DIM_Y / SN_COORD, -75, 6700 }
+ { SN_PRESSURE, 0, 300 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4460, 5166 },
+ { SN_COORD, -75, 6700 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+ },
+ {
+ USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING4_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING4_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { 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_WELLSPRING4A_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { SN_PRESSURE, 0, 300 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4616, 5112 },
+ { SN_COORD, -142, 5234 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+ },
+ {
+ USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING5_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING5_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { SN_PRESSURE, 0, 300 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4415, 5050 },
+ { SN_COORD, -55, 6680 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+ },
+ {
+ USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING6_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING6_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { 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_WELLSPRING5A_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { SN_PRESSURE, 0, 300 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4750, 5280 },
+ { SN_COORD, -150, 6730 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+ },
+ {
+ USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { 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_WELLSPRING7_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING7_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING7_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { SN_PRESSURE, 0, 300 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4750, 5280 },
+ { SN_COORD, -150, 6730 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+ },
+ {
+ USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0x84, sizeof(struct bt_data),
+ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+ { SN_PRESSURE, 0, 300 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4750, 5280 },
+ { SN_COORD, -150, 6730 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+ },
+ {
+ USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI,
+ USB_DEVICE_ID_APPLE_WELLSPRING8_ISO,
+ USB_DEVICE_ID_APPLE_WELLSPRING8_JIS,
+ HAS_INTEGRATED_BUTTON,
+ 0, sizeof(struct bt_data),
+ 0x83, TYPE3, FINGER_TYPE3, FINGER_TYPE3 + SIZEOF_ALL_FINGERS,
+ { SN_PRESSURE, 0, 300 },
+ { SN_WIDTH, 0, 2048 },
+ { SN_COORD, -4620, 5140 },
+ { SN_COORD, -150, 6600 },
+ { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
},
{}
};
@@ -256,18 +445,11 @@ static inline int raw2int(__le16 x)
return (signed short)le16_to_cpu(x);
}
-/* scale device data to logical dimensions (asserts devmin < devmax) */
-static inline int int2scale(const struct bcm5974_param *p, int x)
+static void set_abs(struct input_dev *input, unsigned int code,
+ const struct bcm5974_param *p)
{
- return x * p->dim / (p->devmax - p->devmin);
-}
-
-/* all logical value ranges are [0,dim). */
-static inline int int2bound(const struct bcm5974_param *p, int x)
-{
- int s = int2scale(p, x);
-
- return clamp_val(s, 0, p->dim - 1);
+ int fuzz = p->snratio ? (p->max - p->min) / p->snratio : 0;
+ input_set_abs_params(input, code, p->min, p->max, fuzz, 0);
}
/* setup which logical events to report */
@@ -276,44 +458,30 @@ static void setup_events_to_report(struct input_dev *input_dev,
{
__set_bit(EV_ABS, input_dev->evbit);
- input_set_abs_params(input_dev, ABS_PRESSURE,
- 0, cfg->p.dim, cfg->p.fuzz, 0);
- input_set_abs_params(input_dev, ABS_TOOL_WIDTH,
- 0, cfg->w.dim, cfg->w.fuzz, 0);
- input_set_abs_params(input_dev, ABS_X,
- 0, cfg->x.dim, cfg->x.fuzz, 0);
- input_set_abs_params(input_dev, ABS_Y,
- 0, cfg->y.dim, cfg->y.fuzz, 0);
+ /* for synaptics only */
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, 256, 5, 0);
+ input_set_abs_params(input_dev, ABS_TOOL_WIDTH, 0, 16, 0, 0);
/* finger touch area */
- input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
- cfg->w.devmin, cfg->w.devmax, 0, 0);
- input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
- cfg->w.devmin, cfg->w.devmax, 0, 0);
+ set_abs(input_dev, ABS_MT_TOUCH_MAJOR, &cfg->w);
+ set_abs(input_dev, ABS_MT_TOUCH_MINOR, &cfg->w);
/* finger approach area */
- input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR,
- cfg->w.devmin, cfg->w.devmax, 0, 0);
- input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR,
- cfg->w.devmin, cfg->w.devmax, 0, 0);
+ set_abs(input_dev, ABS_MT_WIDTH_MAJOR, &cfg->w);
+ set_abs(input_dev, ABS_MT_WIDTH_MINOR, &cfg->w);
/* finger orientation */
- input_set_abs_params(input_dev, ABS_MT_ORIENTATION,
- -MAX_FINGER_ORIENTATION,
- MAX_FINGER_ORIENTATION, 0, 0);
+ set_abs(input_dev, ABS_MT_ORIENTATION, &cfg->o);
/* finger position */
- input_set_abs_params(input_dev, ABS_MT_POSITION_X,
- cfg->x.devmin, cfg->x.devmax, 0, 0);
- input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
- cfg->y.devmin, cfg->y.devmax, 0, 0);
+ set_abs(input_dev, ABS_MT_POSITION_X, &cfg->x);
+ set_abs(input_dev, ABS_MT_POSITION_Y, &cfg->y);
__set_bit(EV_KEY, input_dev->evbit);
- __set_bit(BTN_TOUCH, input_dev->keybit);
- __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
- __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
- __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
- __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit);
__set_bit(BTN_LEFT, input_dev->keybit);
- input_set_events_per_packet(input_dev, 60);
+ if (cfg->caps & HAS_INTEGRATED_BUTTON)
+ __set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit);
+
+ input_mt_init_slots(input_dev, MAX_FINGERS,
+ INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK);
}
/* report button data as logical button state */
@@ -333,24 +501,44 @@ static int report_bt_state(struct bcm5974 *dev, int size)
return 0;
}
-static void report_finger_data(struct input_dev *input,
- const struct bcm5974_config *cfg,
+static void report_finger_data(struct input_dev *input, int slot,
+ const struct input_mt_pos *pos,
const struct tp_finger *f)
{
+ input_mt_slot(input, slot);
+ input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
+
input_report_abs(input, ABS_MT_TOUCH_MAJOR,
- raw2int(f->force_major) << 1);
+ raw2int(f->touch_major) << 1);
input_report_abs(input, ABS_MT_TOUCH_MINOR,
- raw2int(f->force_minor) << 1);
+ raw2int(f->touch_minor) << 1);
input_report_abs(input, ABS_MT_WIDTH_MAJOR,
- raw2int(f->size_major) << 1);
+ raw2int(f->tool_major) << 1);
input_report_abs(input, ABS_MT_WIDTH_MINOR,
- raw2int(f->size_minor) << 1);
+ raw2int(f->tool_minor) << 1);
input_report_abs(input, ABS_MT_ORIENTATION,
MAX_FINGER_ORIENTATION - raw2int(f->orientation));
- input_report_abs(input, ABS_MT_POSITION_X, raw2int(f->abs_x));
- input_report_abs(input, ABS_MT_POSITION_Y,
- cfg->y.devmin + cfg->y.devmax - raw2int(f->abs_y));
- input_mt_sync(input);
+ input_report_abs(input, ABS_MT_POSITION_X, pos->x);
+ input_report_abs(input, ABS_MT_POSITION_Y, pos->y);
+}
+
+static void report_synaptics_data(struct input_dev *input,
+ const struct bcm5974_config *cfg,
+ const struct tp_finger *f, int raw_n)
+{
+ int abs_p = 0, abs_w = 0;
+
+ if (raw_n) {
+ int p = raw2int(f->touch_major);
+ int w = raw2int(f->tool_major);
+ if (p > 0 && raw2int(f->origin)) {
+ abs_p = clamp_val(256 * p / cfg->p.max, 0, 255);
+ abs_w = clamp_val(16 * w / cfg->w.max, 0, 15);
+ }
+ }
+
+ input_report_abs(input, ABS_PRESSURE, abs_p);
+ input_report_abs(input, ABS_TOOL_WIDTH, abs_w);
}
/* report trackpad data as logical trackpad state */
@@ -359,9 +547,7 @@ static int report_tp_state(struct bcm5974 *dev, int size)
const struct bcm5974_config *c = &dev->cfg;
const struct tp_finger *f;
struct input_dev *input = dev->input;
- int raw_p, raw_w, raw_x, raw_y, raw_n, i;
- int ptest, origin, ibt = 0, nmin = 0, nmax = 0;
- int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0;
+ int raw_n, i, n = 0;
if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0)
return -EIO;
@@ -370,76 +556,32 @@ static int report_tp_state(struct bcm5974 *dev, int size)
f = (const struct tp_finger *)(dev->tp_data + c->tp_offset);
raw_n = (size - c->tp_offset) / SIZEOF_FINGER;
- /* always track the first finger; when detached, start over */
- if (raw_n) {
-
- /* report raw trackpad data */
- for (i = 0; i < raw_n; i++)
- report_finger_data(input, c, &f[i]);
-
- raw_p = raw2int(f->force_major);
- raw_w = raw2int(f->size_major);
- raw_x = raw2int(f->abs_x);
- raw_y = raw2int(f->abs_y);
-
- dprintk(9,
- "bcm5974: "
- "raw: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n",
- raw_p, raw_w, raw_x, raw_y, raw_n);
-
- ptest = int2bound(&c->p, raw_p);
- origin = raw2int(f->origin);
-
- /* set the integrated button if applicable */
- if (c->tp_type == TYPE2)
- ibt = raw2int(dev->tp_data[BUTTON_TYPE2]);
-
- /* while tracking finger still valid, count all fingers */
- if (ptest > PRESSURE_LOW && origin) {
- abs_p = ptest;
- abs_w = int2bound(&c->w, raw_w);
- abs_x = int2bound(&c->x, raw_x - c->x.devmin);
- abs_y = int2bound(&c->y, c->y.devmax - raw_y);
- while (raw_n--) {
- ptest = int2bound(&c->p,
- raw2int(f->force_major));
- if (ptest > PRESSURE_LOW)
- nmax++;
- if (ptest > PRESSURE_HIGH)
- nmin++;
- f++;
- }
- }
+ for (i = 0; i < raw_n; i++) {
+ if (raw2int(f[i].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];
}
- if (dev->fingers < nmin)
- dev->fingers = nmin;
- if (dev->fingers > nmax)
- dev->fingers = nmax;
-
- input_report_key(input, BTN_TOUCH, dev->fingers > 0);
- input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1);
- input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2);
- input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers == 3);
- input_report_key(input, BTN_TOOL_QUADTAP, dev->fingers > 3);
-
- input_report_abs(input, ABS_PRESSURE, abs_p);
- input_report_abs(input, ABS_TOOL_WIDTH, abs_w);
+ input_mt_assign_slots(input, dev->slots, dev->pos, n);
- if (abs_p) {
- input_report_abs(input, ABS_X, abs_x);
- input_report_abs(input, ABS_Y, abs_y);
+ for (i = 0; i < n; i++)
+ report_finger_data(input, dev->slots[i],
+ &dev->pos[i], dev->index[i]);
- dprintk(8,
- "bcm5974: abs: p: %+05d w: %+05d x: %+05d y: %+05d "
- "nmin: %d nmax: %d n: %d ibt: %d\n", abs_p, abs_w,
- abs_x, abs_y, nmin, nmax, dev->fingers, ibt);
+ input_mt_sync_frame(input);
- }
+ report_synaptics_data(input, c, f, raw_n);
/* type 2 reports button events via ibt only */
- if (c->tp_type == TYPE2)
+ if (c->tp_type == TYPE2) {
+ int ibt = raw2int(dev->tp_data[BUTTON_TYPE2]);
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);
@@ -456,11 +598,16 @@ static int report_tp_state(struct bcm5974 *dev, int size)
static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on)
{
- char *data = kmalloc(8, GFP_KERNEL);
int retval = 0, size;
+ char *data;
+
+ /* Type 3 does not require a mode switch */
+ if (dev->cfg.tp_type == TYPE3)
+ return 0;
+ data = kmalloc(8, GFP_KERNEL);
if (!data) {
- err("bcm5974: out of memory");
+ dev_err(&dev->intf->dev, "out of memory\n");
retval = -ENOMEM;
goto out;
}
@@ -473,7 +620,7 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on)
BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000);
if (size != 8) {
- err("bcm5974: could not read from device");
+ dev_err(&dev->intf->dev, "could not read from device\n");
retval = -EIO;
goto out;
}
@@ -491,7 +638,7 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on)
BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000);
if (size != 8) {
- err("bcm5974: could not write to device");
+ dev_err(&dev->intf->dev, "could not write to device\n");
retval = -EIO;
goto out;
}
@@ -507,6 +654,7 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on)
static void bcm5974_irq_button(struct urb *urb)
{
struct bcm5974 *dev = urb->context;
+ struct usb_interface *intf = dev->intf;
int error;
switch (urb->status) {
@@ -516,10 +664,11 @@ static void bcm5974_irq_button(struct urb *urb)
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
- dbg("bcm5974: button urb shutting down: %d", urb->status);
+ dev_dbg(&intf->dev, "button urb shutting down: %d\n",
+ urb->status);
return;
default:
- dbg("bcm5974: button urb status: %d", urb->status);
+ dev_dbg(&intf->dev, "button urb status: %d\n", urb->status);
goto exit;
}
@@ -530,12 +679,13 @@ static void bcm5974_irq_button(struct urb *urb)
exit:
error = usb_submit_urb(dev->bt_urb, GFP_ATOMIC);
if (error)
- err("bcm5974: button urb failed: %d", error);
+ dev_err(&intf->dev, "button urb failed: %d\n", error);
}
static void bcm5974_irq_trackpad(struct urb *urb)
{
struct bcm5974 *dev = urb->context;
+ struct usb_interface *intf = dev->intf;
int error;
switch (urb->status) {
@@ -545,10 +695,11 @@ static void bcm5974_irq_trackpad(struct urb *urb)
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
- dbg("bcm5974: trackpad urb shutting down: %d", urb->status);
+ dev_dbg(&intf->dev, "trackpad urb shutting down: %d\n",
+ urb->status);
return;
default:
- dbg("bcm5974: trackpad urb status: %d", urb->status);
+ dev_dbg(&intf->dev, "trackpad urb status: %d\n", urb->status);
goto exit;
}
@@ -563,7 +714,7 @@ static void bcm5974_irq_trackpad(struct urb *urb)
exit:
error = usb_submit_urb(dev->tp_urb, GFP_ATOMIC);
if (error)
- err("bcm5974: trackpad urb failed: %d", error);
+ dev_err(&intf->dev, "trackpad urb failed: %d\n", error);
}
/*
@@ -579,7 +730,7 @@ exit:
* device, resulting in trackpad malfunction under certain
* circumstances. To get around this problem, there is at least one
* example that utilizes the USB_QUIRK_RESET_RESUME quirk in order to
- * recieve a reset_resume request rather than the normal resume.
+ * receive a reset_resume request rather than the normal resume.
* Since the implementation of reset_resume is equal to mode switch
* plus start_traffic, it seems easier to always do the switch when
* starting traffic on the device.
@@ -594,9 +745,11 @@ static int bcm5974_start_traffic(struct bcm5974 *dev)
goto err_out;
}
- error = usb_submit_urb(dev->bt_urb, GFP_KERNEL);
- if (error)
- goto err_reset_mode;
+ if (dev->bt_urb) {
+ error = usb_submit_urb(dev->bt_urb, GFP_KERNEL);
+ if (error)
+ goto err_reset_mode;
+ }
error = usb_submit_urb(dev->tp_urb, GFP_KERNEL);
if (error)
@@ -709,7 +862,7 @@ static int bcm5974_probe(struct usb_interface *iface,
dev = kzalloc(sizeof(struct bcm5974), GFP_KERNEL);
input_dev = input_allocate_device();
if (!dev || !input_dev) {
- err("bcm5974: out of memory");
+ dev_err(&iface->dev, "out of memory\n");
goto err_free_devs;
}
@@ -720,19 +873,23 @@ static int bcm5974_probe(struct usb_interface *iface,
mutex_init(&dev->pm_mutex);
/* setup urbs */
- dev->bt_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->bt_urb)
- goto err_free_devs;
+ if (cfg->tp_type == TYPE1) {
+ dev->bt_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!dev->bt_urb)
+ goto err_free_devs;
+ }
dev->tp_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->tp_urb)
goto err_free_bt_urb;
- dev->bt_data = usb_alloc_coherent(dev->udev,
+ if (dev->bt_urb) {
+ dev->bt_data = usb_alloc_coherent(dev->udev,
dev->cfg.bt_datalen, GFP_KERNEL,
&dev->bt_urb->transfer_dma);
- if (!dev->bt_data)
- goto err_free_urb;
+ if (!dev->bt_data)
+ goto err_free_urb;
+ }
dev->tp_data = usb_alloc_coherent(dev->udev,
dev->cfg.tp_datalen, GFP_KERNEL,
@@ -740,10 +897,11 @@ static int bcm5974_probe(struct usb_interface *iface,
if (!dev->tp_data)
goto err_free_bt_buffer;
- usb_fill_int_urb(dev->bt_urb, udev,
- usb_rcvintpipe(udev, cfg->bt_ep),
- dev->bt_data, dev->cfg.bt_datalen,
- bcm5974_irq_button, dev, 1);
+ if (dev->bt_urb)
+ usb_fill_int_urb(dev->bt_urb, udev,
+ usb_rcvintpipe(udev, cfg->bt_ep),
+ dev->bt_data, dev->cfg.bt_datalen,
+ bcm5974_irq_button, dev, 1);
usb_fill_int_urb(dev->tp_urb, udev,
usb_rcvintpipe(udev, cfg->tp_ep),
@@ -781,8 +939,9 @@ err_free_buffer:
usb_free_coherent(dev->udev, dev->cfg.tp_datalen,
dev->tp_data, dev->tp_urb->transfer_dma);
err_free_bt_buffer:
- usb_free_coherent(dev->udev, dev->cfg.bt_datalen,
- dev->bt_data, dev->bt_urb->transfer_dma);
+ if (dev->bt_urb)
+ usb_free_coherent(dev->udev, dev->cfg.bt_datalen,
+ dev->bt_data, dev->bt_urb->transfer_dma);
err_free_urb:
usb_free_urb(dev->tp_urb);
err_free_bt_urb:
@@ -803,8 +962,9 @@ static void bcm5974_disconnect(struct usb_interface *iface)
input_unregister_device(dev->input);
usb_free_coherent(dev->udev, dev->cfg.tp_datalen,
dev->tp_data, dev->tp_urb->transfer_dma);
- usb_free_coherent(dev->udev, dev->cfg.bt_datalen,
- dev->bt_data, dev->bt_urb->transfer_dma);
+ if (dev->bt_urb)
+ usb_free_coherent(dev->udev, dev->cfg.bt_datalen,
+ dev->bt_data, dev->bt_urb->transfer_dma);
usb_free_urb(dev->tp_urb);
usb_free_urb(dev->bt_urb);
kfree(dev);
@@ -820,16 +980,4 @@ static struct usb_driver bcm5974_driver = {
.supports_autosuspend = 1,
};
-static int __init bcm5974_init(void)
-{
- return usb_register(&bcm5974_driver);
-}
-
-static void __exit bcm5974_exit(void)
-{
- usb_deregister(&bcm5974_driver);
-}
-
-module_init(bcm5974_init);
-module_exit(bcm5974_exit);
-
+module_usb_driver(bcm5974_driver);