From 776943fd6f104a6e8457dc95a17282e69e963666 Mon Sep 17 00:00:00 2001 From: Ping Cheng Date: Thu, 4 Mar 2010 21:50:59 -0800 Subject: Input: wacom - merge out and in prox events Process out and in prox events for Graphire and Tablet PC devices in the same loop to simplify the data parsing logic. Signed-off-by: Ping Cheng Signed-off-by: Dmitry Torokhov --- drivers/input/tablet/wacom_wac.c | 163 ++++++++++++++------------------------- 1 file changed, 59 insertions(+), 104 deletions(-) (limited to 'drivers/input') diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 4a852d815c68..b3ba3437a2eb 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -155,19 +155,19 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) { struct wacom_features *features = &wacom->features; unsigned char *data = wacom->data; - int x, y, rw; - static int penData = 0; + int x, y, prox; + int rw = 0; + int retval = 0; if (data[0] != WACOM_REPORT_PENABLED) { dbg("wacom_graphire_irq: received unknown report #%d", data[0]); - return 0; + goto exit; } - if (data[1] & 0x80) { - /* in prox and not a pad data */ - penData = 1; - - switch ((data[1] >> 5) & 3) { + prox = data[1] & 0x80; + if (prox || wacom->id[0]) { + if (prox) { + switch ((data[1] >> 5) & 3) { case 0: /* Pen */ wacom->tool[0] = BTN_TOOL_PEN; @@ -181,23 +181,13 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) case 2: /* Mouse with wheel */ wacom_report_key(wcombo, BTN_MIDDLE, data[1] & 0x04); - if (features->type == WACOM_G4 || features->type == WACOM_MO) { - rw = data[7] & 0x04 ? (data[7] & 0x03)-4 : (data[7] & 0x03); - wacom_report_rel(wcombo, REL_WHEEL, -rw); - } else - wacom_report_rel(wcombo, REL_WHEEL, -(signed char) data[6]); /* fall through */ case 3: /* Mouse without wheel */ wacom->tool[0] = BTN_TOOL_MOUSE; wacom->id[0] = CURSOR_DEVICE_ID; - wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01); - wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02); - if (features->type == WACOM_G4 || features->type == WACOM_MO) - wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f); - else - wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f); break; + } } x = wacom_le16_to_cpu(&data[2]); y = wacom_le16_to_cpu(&data[4]); @@ -208,36 +198,32 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01); wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02); wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04); - } - wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */ - wacom_report_key(wcombo, wacom->tool[0], 1); - } else if (wacom->id[0]) { - wacom_report_abs(wcombo, ABS_X, 0); - wacom_report_abs(wcombo, ABS_Y, 0); - if (wacom->tool[0] == BTN_TOOL_MOUSE) { - wacom_report_key(wcombo, BTN_LEFT, 0); - wacom_report_key(wcombo, BTN_RIGHT, 0); - wacom_report_abs(wcombo, ABS_DISTANCE, 0); } else { - wacom_report_abs(wcombo, ABS_PRESSURE, 0); - wacom_report_key(wcombo, BTN_TOUCH, 0); - wacom_report_key(wcombo, BTN_STYLUS, 0); - wacom_report_key(wcombo, BTN_STYLUS2, 0); + wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01); + wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02); + if (features->type == WACOM_G4 || + features->type == WACOM_MO) { + wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f); + rw = (signed)(data[7] & 0x04) - (data[7] & 0x03); + } else { + wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f); + rw = -(signed)data[6]; + } + wacom_report_rel(wcombo, REL_WHEEL, rw); } - wacom->id[0] = 0; - wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */ - wacom_report_key(wcombo, wacom->tool[0], 0); + + if (!prox) + wacom->id[0] = 0; + wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */ + wacom_report_key(wcombo, wacom->tool[0], prox); + wacom_input_sync(wcombo); /* sync last event */ } /* send pad data */ switch (features->type) { case WACOM_G4: - if (data[7] & 0xf8) { - if (penData) { - wacom_input_sync(wcombo); /* sync last event */ - if (!wacom->id[0]) - penData = 0; - } + prox = data[7] & 0xf8; + if (prox || wacom->id[1]) { wacom->id[1] = PAD_DEVICE_ID; wacom_report_key(wcombo, BTN_0, (data[7] & 0x40)); wacom_report_key(wcombo, BTN_4, (data[7] & 0x80)); @@ -245,29 +231,16 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_rel(wcombo, REL_WHEEL, rw); wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0); wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]); - wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); - } else if (wacom->id[1]) { - if (penData) { - wacom_input_sync(wcombo); /* sync last event */ - if (!wacom->id[0]) - penData = 0; - } - wacom->id[1] = 0; - wacom_report_key(wcombo, BTN_0, (data[7] & 0x40)); - wacom_report_key(wcombo, BTN_4, (data[7] & 0x80)); - wacom_report_rel(wcombo, REL_WHEEL, 0); - wacom_report_key(wcombo, BTN_TOOL_FINGER, 0); - wacom_report_abs(wcombo, ABS_MISC, 0); + if (!prox) + wacom->id[1] = 0; + wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]); wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); } + retval = 1; break; case WACOM_MO: - if ((data[7] & 0xf8) || (data[8] & 0xff)) { - if (penData) { - wacom_input_sync(wcombo); /* sync last event */ - if (!wacom->id[0]) - penData = 0; - } + prox = (data[7] & 0xf8) || data[8]; + if (prox || wacom->id[1]) { wacom->id[1] = PAD_DEVICE_ID; wacom_report_key(wcombo, BTN_0, (data[7] & 0x08)); wacom_report_key(wcombo, BTN_1, (data[7] & 0x20)); @@ -275,27 +248,16 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_key(wcombo, BTN_5, (data[7] & 0x40)); wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f)); wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0); + if (!prox) + wacom->id[1] = 0; wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]); wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); - } else if (wacom->id[1]) { - if (penData) { - wacom_input_sync(wcombo); /* sync last event */ - if (!wacom->id[0]) - penData = 0; - } - wacom->id[1] = 0; - wacom_report_key(wcombo, BTN_0, (data[7] & 0x08)); - wacom_report_key(wcombo, BTN_1, (data[7] & 0x20)); - wacom_report_key(wcombo, BTN_4, (data[7] & 0x10)); - wacom_report_key(wcombo, BTN_5, (data[7] & 0x40)); - wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f)); - wacom_report_key(wcombo, BTN_TOOL_FINGER, 0); - wacom_report_abs(wcombo, ABS_MISC, 0); - wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); } + retval = 1; break; } - return 1; +exit: + return retval; } static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo) @@ -636,9 +598,9 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo) static void wacom_tpc_finger_in(struct wacom_wac *wacom, void *wcombo, char *data, int idx) { wacom_report_abs(wcombo, ABS_X, - (data[2 + idx * 2] & 0xff) | ((data[3 + idx * 2] & 0x7f) << 8)); + data[2 + idx * 2] | ((data[3 + idx * 2] & 0x7f) << 8)); wacom_report_abs(wcombo, ABS_Y, - (data[6 + idx * 2] & 0xff) | ((data[7 + idx * 2] & 0x7f) << 8)); + data[6 + idx * 2] | ((data[7 + idx * 2] & 0x7f) << 8)); wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); wacom_report_key(wcombo, wacom->tool[idx], 1); if (idx) @@ -782,31 +744,24 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo) touchInProx = 0; - if (prox) { /* in prox */ - if (!wacom->id[0]) { - /* Going into proximity select tool */ - wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; - if (wacom->tool[0] == BTN_TOOL_PEN) - wacom->id[0] = STYLUS_DEVICE_ID; - else - wacom->id[0] = ERASER_DEVICE_ID; - } - wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02); - wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10); - wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2])); - wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4])); - pressure = ((data[7] & 0x01) << 8) | data[6]; - if (pressure < 0) - pressure = features->pressure_max + pressure + 1; - wacom_report_abs(wcombo, ABS_PRESSURE, pressure); - wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05); - } else { - wacom_report_abs(wcombo, ABS_X, 0); - wacom_report_abs(wcombo, ABS_Y, 0); - wacom_report_abs(wcombo, ABS_PRESSURE, 0); - wacom_report_key(wcombo, BTN_STYLUS, 0); - wacom_report_key(wcombo, BTN_STYLUS2, 0); - wacom_report_key(wcombo, BTN_TOUCH, 0); + if (!wacom->id[0]) { /* first in prox */ + /* Going into proximity select tool */ + wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; + if (wacom->tool[0] == BTN_TOOL_PEN) + wacom->id[0] = STYLUS_DEVICE_ID; + else + wacom->id[0] = ERASER_DEVICE_ID; + } + wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02); + wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10); + wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2])); + wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4])); + pressure = ((data[7] & 0x01) << 8) | data[6]; + if (pressure < 0) + pressure = features->pressure_max + pressure + 1; + wacom_report_abs(wcombo, ABS_PRESSURE, pressure); + wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05); + if (!prox) { /* out-prox */ wacom->id[0] = 0; /* pen is out so touch can be enabled now */ touchInProx = 1; -- cgit v1.2.3