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authorJason Gerecke <killertofu@gmail.com>2015-11-30 17:13:47 -0800
committerJiri Kosina <jkosina@suse.cz>2015-12-02 21:44:50 +0100
commitc7f0522a1ad1c2a1a23872c96955d60890f453e4 (patch)
tree4a54db11b0f9cf5d54a24a3d3f354fd2ab040777 /drivers/hid/wacom_wac.c
parentfb013a01d48d71a68cd14ea30181754f93acae21 (diff)
downloadlinux-c7f0522a1ad1c2a1a23872c96955d60890f453e4.tar.bz2
HID: wacom: Slim down wacom_intuos_pad processing
Seperate the function into two halves: first gather data from the packet, next report all gathered data. The input subsystem should automatically mute any events that aren't actually declared for the tablet at hand. Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/wacom_wac.c')
-rw-r--r--drivers/hid/wacom_wac.c277
1 files changed, 86 insertions, 191 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index c611ea5b83c8..ec1e13e55ae9 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -34,6 +34,9 @@
*/
#define WACOM_CONTACT_AREA_SCALE 2607
+static void wacom_report_numbered_buttons(struct input_dev *input_dev,
+ int button_count, int mask);
+
/*
* Percent of battery capacity for Graphire.
* 8th value means AC online and show 100% capacity.
@@ -451,6 +454,12 @@ static int wacom_intuos_pad(struct wacom_wac *wacom)
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pad_input;
+ int i;
+ int buttons = 0, nbuttons = features->numbered_buttons;
+ int keys = 0, nkeys = 0;
+ int ring1 = 0, ring2 = 0;
+ int strip1 = 0, strip2 = 0;
+ bool prox = false;
/* pad packets. Works as a second tool and is always in prox */
if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
@@ -458,72 +467,16 @@ static int wacom_intuos_pad(struct wacom_wac *wacom)
return 0;
if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
- input_report_key(input, BTN_0, (data[2] & 0x01));
- input_report_key(input, BTN_1, (data[3] & 0x01));
- input_report_key(input, BTN_2, (data[3] & 0x02));
- input_report_key(input, BTN_3, (data[3] & 0x04));
- input_report_key(input, BTN_4, (data[3] & 0x08));
- input_report_key(input, BTN_5, (data[3] & 0x10));
- input_report_key(input, BTN_6, (data[3] & 0x20));
- if (data[1] & 0x80) {
- input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
- } else {
- /* Out of proximity, clear wheel value. */
- input_report_abs(input, ABS_WHEEL, 0);
- }
- if (features->type != INTUOS4S) {
- input_report_key(input, BTN_7, (data[3] & 0x40));
- input_report_key(input, BTN_8, (data[3] & 0x80));
- }
- if (data[1] | (data[2] & 0x01) | data[3]) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
- }
+ buttons = (data[3] << 1) | (data[2] & 0x01);
+ ring1 = data[1];
} else if (features->type == DTK) {
- input_report_key(input, BTN_0, (data[6] & 0x01));
- input_report_key(input, BTN_1, (data[6] & 0x02));
- input_report_key(input, BTN_2, (data[6] & 0x04));
- input_report_key(input, BTN_3, (data[6] & 0x08));
- input_report_key(input, BTN_4, (data[6] & 0x10));
- input_report_key(input, BTN_5, (data[6] & 0x20));
- if (data[6] & 0x3f) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
- }
+ buttons = data[6];
} else if (features->type == WACOM_13HD) {
- input_report_key(input, BTN_0, (data[3] & 0x01));
- input_report_key(input, BTN_1, (data[4] & 0x01));
- input_report_key(input, BTN_2, (data[4] & 0x02));
- input_report_key(input, BTN_3, (data[4] & 0x04));
- input_report_key(input, BTN_4, (data[4] & 0x08));
- input_report_key(input, BTN_5, (data[4] & 0x10));
- input_report_key(input, BTN_6, (data[4] & 0x20));
- input_report_key(input, BTN_7, (data[4] & 0x40));
- input_report_key(input, BTN_8, (data[4] & 0x80));
- if ((data[3] & 0x01) | data[4]) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
- }
+ buttons = (data[4] << 1) | (data[3] & 0x01);
} else if (features->type == WACOM_24HD) {
- input_report_key(input, BTN_0, (data[6] & 0x01));
- input_report_key(input, BTN_1, (data[6] & 0x02));
- input_report_key(input, BTN_2, (data[6] & 0x04));
- input_report_key(input, BTN_3, (data[6] & 0x08));
- input_report_key(input, BTN_4, (data[6] & 0x10));
- input_report_key(input, BTN_5, (data[6] & 0x20));
- input_report_key(input, BTN_6, (data[6] & 0x40));
- input_report_key(input, BTN_7, (data[6] & 0x80));
- input_report_key(input, BTN_8, (data[8] & 0x01));
- input_report_key(input, BTN_9, (data[8] & 0x02));
- input_report_key(input, BTN_A, (data[8] & 0x04));
- input_report_key(input, BTN_B, (data[8] & 0x08));
- input_report_key(input, BTN_C, (data[8] & 0x10));
- input_report_key(input, BTN_X, (data[8] & 0x20));
- input_report_key(input, BTN_Y, (data[8] & 0x40));
- input_report_key(input, BTN_Z, (data[8] & 0x80));
+ buttons = (data[8] << 8) | data[6];
+ ring1 = data[1];
+ ring2 = data[2];
/*
* Three "buttons" are available on the 24HD which are
@@ -532,160 +485,89 @@ static int wacom_intuos_pad(struct wacom_wac *wacom)
* The raw touchstrip bits are stored at:
* ((data[3] & 0x1f) << 8) | data[4])
*/
- input_report_key(input, KEY_PROG1, data[4] & 0x07);
- input_report_key(input, KEY_PROG2, data[4] & 0xE0);
- input_report_key(input, KEY_PROG3, data[3] & 0x1C);
-
- if (data[1] & 0x80) {
- input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
- } else {
- /* Out of proximity, clear wheel value. */
- input_report_abs(input, ABS_WHEEL, 0);
- }
-
- if (data[2] & 0x80) {
- input_report_abs(input, ABS_THROTTLE, (data[2] & 0x7f));
- } else {
- /* Out of proximity, clear second wheel value. */
- input_report_abs(input, ABS_THROTTLE, 0);
- }
-
- if (data[1] | data[2] | (data[3] & 0x1f) | data[4] | data[6] | data[8]) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
- }
+ nkeys = 3;
+ keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
+ ((data[4] & 0xE0) ? 1<<1 : 0) |
+ ((data[4] & 0x07) ? 1<<0 : 0);
} else if (features->type == WACOM_27QHD) {
- input_report_key(input, KEY_PROG1, data[2] & 0x01);
- input_report_key(input, KEY_PROG2, data[2] & 0x02);
- input_report_key(input, KEY_PROG3, data[2] & 0x04);
+ nkeys = 3;
+ keys = data[2] & 0x07;
input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
- if ((data[2] & 0x07) | data[4] | data[5] | data[6] | data[7] | data[8] | data[9]) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
- }
} else if (features->type == CINTIQ_HYBRID) {
/*
* Do not send hardware buttons under Android. They
* are already sent to the system through GPIO (and
* have different meaning).
+ *
+ * d-pad right -> data[4] & 0x10
+ * d-pad up -> data[4] & 0x20
+ * d-pad left -> data[4] & 0x40
+ * d-pad down -> data[4] & 0x80
+ * d-pad center -> data[3] & 0x01
*/
- input_report_key(input, BTN_1, (data[4] & 0x01));
- input_report_key(input, BTN_2, (data[4] & 0x02));
- input_report_key(input, BTN_3, (data[4] & 0x04));
- input_report_key(input, BTN_4, (data[4] & 0x08));
-
- input_report_key(input, BTN_5, (data[4] & 0x10)); /* Right */
- input_report_key(input, BTN_6, (data[4] & 0x20)); /* Up */
- input_report_key(input, BTN_7, (data[4] & 0x40)); /* Left */
- input_report_key(input, BTN_8, (data[4] & 0x80)); /* Down */
- input_report_key(input, BTN_0, (data[3] & 0x01)); /* Center */
-
- if (data[4] | (data[3] & 0x01)) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
- }
-
+ buttons = (data[4] << 1) | (data[3] & 0x01);
} else if (features->type == CINTIQ_COMPANION_2) {
- input_report_key(input, BTN_1, (data[1] & 0x02));
- input_report_key(input, BTN_2, (data[2] & 0x01));
- input_report_key(input, BTN_3, (data[2] & 0x02));
- input_report_key(input, BTN_4, (data[2] & 0x04));
- input_report_key(input, BTN_5, (data[2] & 0x08));
- input_report_key(input, BTN_6, (data[1] & 0x04));
-
- input_report_key(input, BTN_7, (data[2] & 0x10)); /* Right */
- input_report_key(input, BTN_8, (data[2] & 0x20)); /* Up */
- input_report_key(input, BTN_9, (data[2] & 0x40)); /* Left */
- input_report_key(input, BTN_A, (data[2] & 0x80)); /* Down */
- input_report_key(input, BTN_0, (data[1] & 0x01)); /* Center */
-
- if (data[2] | (data[1] & 0x07)) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
- }
-
+ /* d-pad right -> data[4] & 0x10
+ * d-pad up -> data[4] & 0x20
+ * d-pad left -> data[4] & 0x40
+ * d-pad down -> data[4] & 0x80
+ * d-pad center -> data[3] & 0x01
+ */
+ buttons = ((data[2] & 0xF0) << 7) |
+ ((data[1] & 0x04) << 6) |
+ ((data[2] & 0x0F) << 2) |
+ (data[1] & 0x03);
} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
- int i;
-
- /* Touch ring mode switch has no capacitive sensor */
- input_report_key(input, BTN_0, (data[3] & 0x01));
-
/*
* ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
* addition to the mechanical switch. Switch data is
* stored in data[4], capacitive data in data[5].
+ *
+ * Touch ring mode switch (data[3]) has no capacitive sensor
*/
- for (i = 0; i < 8; i++)
- input_report_key(input, BTN_1 + i, data[4] & (1 << i));
-
- if (data[2] & 0x80) {
- input_report_abs(input, ABS_WHEEL, (data[2] & 0x7f));
- } else {
- /* Out of proximity, clear wheel value. */
- input_report_abs(input, ABS_WHEEL, 0);
- }
-
- if (data[2] | (data[3] & 0x01) | data[4] | data[5]) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
- }
+ buttons = (data[4] << 1) | (data[3] & 0x01);
+ ring1 = data[2];
} else {
if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
- input_report_key(input, BTN_0, (data[5] & 0x01));
- input_report_key(input, BTN_1, (data[6] & 0x01));
- input_report_key(input, BTN_2, (data[6] & 0x02));
- input_report_key(input, BTN_3, (data[6] & 0x04));
- input_report_key(input, BTN_4, (data[6] & 0x08));
- input_report_key(input, BTN_5, (data[6] & 0x10));
- input_report_key(input, BTN_6, (data[6] & 0x20));
- input_report_key(input, BTN_7, (data[6] & 0x40));
- input_report_key(input, BTN_8, (data[6] & 0x80));
- input_report_key(input, BTN_9, (data[7] & 0x01));
- input_report_key(input, BTN_A, (data[8] & 0x01));
- input_report_key(input, BTN_B, (data[8] & 0x02));
- input_report_key(input, BTN_C, (data[8] & 0x04));
- input_report_key(input, BTN_X, (data[8] & 0x08));
- input_report_key(input, BTN_Y, (data[8] & 0x10));
- input_report_key(input, BTN_Z, (data[8] & 0x20));
- input_report_key(input, BTN_BASE, (data[8] & 0x40));
- input_report_key(input, BTN_BASE2, (data[8] & 0x80));
+ buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
+ (data[6] << 1) | (data[5] & 0x01);
if (features->type == WACOM_22HD) {
- input_report_key(input, KEY_PROG1, data[9] & 0x01);
- input_report_key(input, KEY_PROG2, data[9] & 0x02);
- input_report_key(input, KEY_PROG3, data[9] & 0x04);
+ nkeys = 3;
+ keys = data[9] & 0x07;
}
} else {
- input_report_key(input, BTN_0, (data[5] & 0x01));
- input_report_key(input, BTN_1, (data[5] & 0x02));
- input_report_key(input, BTN_2, (data[5] & 0x04));
- input_report_key(input, BTN_3, (data[5] & 0x08));
- input_report_key(input, BTN_4, (data[6] & 0x01));
- input_report_key(input, BTN_5, (data[6] & 0x02));
- input_report_key(input, BTN_6, (data[6] & 0x04));
- input_report_key(input, BTN_7, (data[6] & 0x08));
- input_report_key(input, BTN_8, (data[5] & 0x10));
- input_report_key(input, BTN_9, (data[6] & 0x10));
- }
- input_report_abs(input, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
- input_report_abs(input, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
-
- if ((data[5] & 0x1f) | data[6] | (data[1] & 0x1f) |
- data[2] | (data[3] & 0x1f) | data[4] | data[8] |
- (data[7] & 0x01)) {
- input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
- } else {
- input_report_abs(input, ABS_MISC, 0);
+ buttons = ((data[6] & 0x10) << 10) |
+ ((data[5] & 0x10) << 9) |
+ ((data[6] & 0x0F) << 4) |
+ (data[5] & 0x0F);
}
+ strip1 = (data[1] << 8) || data[2];
+ strip2 = (data[3] << 8) || data[4];
}
+
+ prox = (buttons & ~(~0 << nbuttons)) || (keys & ~(~0 << nkeys)) ||
+ (ring1 & 0x80) || (ring2 & 0x80) || strip1 || strip2;
+
+ wacom_report_numbered_buttons(input, nbuttons, buttons);
+
+ for (i = 0; i < nkeys; i++)
+ input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
+
+ input_report_abs(input, ABS_RX, strip1);
+ input_report_abs(input, ABS_RX, strip2);
+
+ input_report_abs(input, ABS_WHEEL, ring1 & 0x7f ? ring1 : 0);
+ input_report_abs(input, ABS_THROTTLE, ring2 & 0x07 ? ring2 : 0);
+
+ input_report_key(input, wacom->tool[1], prox ? 1 : 0);
+ input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
+
+ input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
+
return 1;
}
@@ -2818,6 +2700,19 @@ static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
__set_bit(BTN_BASE + (i-16), input_dev->keybit);
}
+static void wacom_report_numbered_buttons(struct input_dev *input_dev,
+ int button_count, int mask)
+{
+ int i;
+
+ for (i = 0; i < button_count && i < 10; i++)
+ input_report_key(input_dev, BTN_0 + i, mask & (1 << i));
+ for (i = 10; i < button_count && i < 16; i++)
+ input_report_key(input_dev, BTN_A + (i-10), mask & (1 << i));
+ for (i = 16; i < button_count && i < 18; i++)
+ input_report_key(input_dev, BTN_BASE + (i-16), mask & (1 << i));
+}
+
int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
struct wacom_wac *wacom_wac)
{