diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/touchscreen/penmount.c | 120 |
1 files changed, 64 insertions, 56 deletions
diff --git a/drivers/input/touchscreen/penmount.c b/drivers/input/touchscreen/penmount.c index a047850e38b1..7fc556295c0e 100644 --- a/drivers/input/touchscreen/penmount.c +++ b/drivers/input/touchscreen/penmount.c @@ -61,6 +61,7 @@ struct pm { unsigned char packetsize; unsigned char maxcontacts; struct mt_slot slots[PM_MAX_MTSLOT]; + void (*parse_packet)(struct pm *); }; /* @@ -100,73 +101,76 @@ static bool pm_checkpacket(unsigned char *packet) return packet[5] == (unsigned char)~(total & 0xff); } -static irqreturn_t pm_interrupt(struct serio *serio, - unsigned char data, unsigned int flags) +static void pm_parse_9000(struct pm *pm) { - struct pm *pm = serio_get_drvdata(serio); struct input_dev *dev = pm->dev; - pm->data[pm->idx] = data; + if ((pm->data[0] & 0x80) && pm->packetsize == ++pm->idx) { + input_report_abs(dev, ABS_X, pm->data[1] * 128 + pm->data[2]); + input_report_abs(dev, ABS_Y, pm->data[3] * 128 + pm->data[4]); + input_report_key(dev, BTN_TOUCH, !!(pm->data[0] & 0x40)); + input_sync(dev); + pm->idx = 0; + } +} - switch (pm->dev->id.product) { - case 0x9000: - if (pm->data[0] & 0x80) { - if (pm->packetsize == ++pm->idx) { - input_report_abs(dev, ABS_X, pm->data[1] * 128 + pm->data[2]); - input_report_abs(dev, ABS_Y, pm->data[3] * 128 + pm->data[4]); - input_report_key(dev, BTN_TOUCH, !!(pm->data[0] & 0x40)); - input_sync(dev); - pm->idx = 0; - } - } - break; +static void pm_parse_6000(struct pm *pm) +{ + struct input_dev *dev = pm->dev; - case 0x6000: - if ((pm->data[0] & 0xbf) == 0x30) { - if (pm->packetsize == ++pm->idx) { - if (pm_checkpacket(pm->data)) { - input_report_abs(dev, ABS_X, - pm->data[2] * 256 + pm->data[1]); - input_report_abs(dev, ABS_Y, - pm->data[4] * 256 + pm->data[3]); - input_report_key(dev, BTN_TOUCH, !!(pm->data[0] & 0x40)); - input_sync(dev); - } - pm->idx = 0; - } + if ((pm->data[0] & 0xbf) == 0x30 && pm->packetsize == ++pm->idx) { + if (pm_checkpacket(pm->data)) { + input_report_abs(dev, ABS_X, + pm->data[2] * 256 + pm->data[1]); + input_report_abs(dev, ABS_Y, + pm->data[4] * 256 + pm->data[3]); + input_report_key(dev, BTN_TOUCH, pm->data[0] & 0x40); + input_sync(dev); } - break; + pm->idx = 0; + } +} + +static void pm_parse_3000(struct pm *pm) +{ + struct input_dev *dev = pm->dev; - case 0x3000: - if ((pm->data[0] & 0xce) == 0x40) { - if (pm->packetsize == ++pm->idx) { - if (pm_checkpacket(pm->data)) { - int slotnum = pm->data[0] & 0x0f; - pm->slots[slotnum].active = pm->data[0] & 0x30; - pm->slots[slotnum].x = pm->data[2] * 256 + pm->data[1]; - pm->slots[slotnum].y = pm->data[4] * 256 + pm->data[3]; - pm_mtevent(pm, dev); - } - pm->idx = 0; - } + if ((pm->data[0] & 0xce) == 0x40 && pm->packetsize == ++pm->idx) { + if (pm_checkpacket(pm->data)) { + int slotnum = pm->data[0] & 0x0f; + pm->slots[slotnum].active = pm->data[0] & 0x30; + pm->slots[slotnum].x = pm->data[2] * 256 + pm->data[1]; + pm->slots[slotnum].y = pm->data[4] * 256 + pm->data[3]; + pm_mtevent(pm, dev); } - break; + pm->idx = 0; + } +} + +static void pm_parse_6250(struct pm *pm) +{ + struct input_dev *dev = pm->dev; - case 0x6250: - if ((pm->data[0] & 0xb0) == 0x30) { - if (pm->packetsize == ++pm->idx) { - if (pm_checkpacket(pm->data)) { - int slotnum = pm->data[0] & 0x0f; - pm->slots[slotnum].active = pm->data[0] & 0x40; - pm->slots[slotnum].x = pm->data[2] * 256 + pm->data[1]; - pm->slots[slotnum].y = pm->data[4] * 256 + pm->data[3]; - pm_mtevent(pm, dev); - } - pm->idx = 0; - } + if ((pm->data[0] & 0xb0) == 0x30 && pm->packetsize == ++pm->idx) { + if (pm_checkpacket(pm->data)) { + int slotnum = pm->data[0] & 0x0f; + pm->slots[slotnum].active = pm->data[0] & 0x40; + pm->slots[slotnum].x = pm->data[2] * 256 + pm->data[1]; + pm->slots[slotnum].y = pm->data[4] * 256 + pm->data[3]; + pm_mtevent(pm, dev); } - break; + pm->idx = 0; } +} + +static irqreturn_t pm_interrupt(struct serio *serio, + unsigned char data, unsigned int flags) +{ + struct pm *pm = serio_get_drvdata(serio); + + pm->data[pm->idx] = data; + + pm->parse_packet(pm); return IRQ_HANDLED; } @@ -227,18 +231,21 @@ static int pm_connect(struct serio *serio, struct serio_driver *drv) default: case 0: pm->packetsize = 5; + pm->parse_packet = pm_parse_9000; input_dev->id.product = 0x9000; max_x = max_y = 0x3ff; break; case 1: pm->packetsize = 6; + pm->parse_packet = pm_parse_6000; input_dev->id.product = 0x6000; max_x = max_y = 0x3ff; break; case 2: pm->packetsize = 6; + pm->parse_packet = pm_parse_3000; input_dev->id.product = 0x3000; max_x = max_y = 0x7ff; pm->maxcontacts = PM_3000_MTSLOT; @@ -246,6 +253,7 @@ static int pm_connect(struct serio *serio, struct serio_driver *drv) case 3: pm->packetsize = 6; + pm->parse_packet = pm_parse_6250; input_dev->id.product = 0x6250; max_x = max_y = 0x3ff; pm->maxcontacts = PM_6250_MTSLOT; |