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-rw-r--r--drivers/input/input-mt.c1
-rw-r--r--drivers/input/input-polldev.c6
-rw-r--r--drivers/input/misc/Kconfig45
-rw-r--r--drivers/input/misc/Makefile4
-rw-r--r--drivers/input/misc/ad714x-i2c.c4
-rw-r--r--drivers/input/misc/bma150.c691
-rw-r--r--drivers/input/misc/pm8xxx-vibrator.c296
-rw-r--r--drivers/input/mouse/synaptics.c527
-rw-r--r--drivers/input/mouse/synaptics.h27
-rw-r--r--drivers/input/touchscreen/tsc2007.c194
-rw-r--r--drivers/input/touchscreen/wacom_w8001.c29
11 files changed, 1661 insertions, 163 deletions
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index c48c81f0308..9150ee78e00 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -117,6 +117,7 @@ void input_mt_report_finger_count(struct input_dev *dev, int count)
input_event(dev, EV_KEY, BTN_TOOL_DOUBLETAP, count == 2);
input_event(dev, EV_KEY, BTN_TOOL_TRIPLETAP, count == 3);
input_event(dev, EV_KEY, BTN_TOOL_QUADTAP, count == 4);
+ input_event(dev, EV_KEY, BTN_TOOL_QUINTTAP, count == 5);
}
EXPORT_SYMBOL(input_mt_report_finger_count);
diff --git a/drivers/input/input-polldev.c b/drivers/input/input-polldev.c
index b1aabde8752..b253973881b 100644
--- a/drivers/input/input-polldev.c
+++ b/drivers/input/input-polldev.c
@@ -49,8 +49,10 @@ static int input_open_polled_device(struct input_dev *input)
dev->open(dev);
/* Only start polling if polling is enabled */
- if (dev->poll_interval > 0)
- queue_delayed_work(system_freezable_wq, &dev->work, 0);
+ if (dev->poll_interval > 0) {
+ dev->poll(dev);
+ input_polldev_queue_work(dev);
+ }
return 0;
}
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index c9104bb4db0..a1aa35a053b 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -62,6 +62,17 @@ config INPUT_AD714X_SPI
To compile this driver as a module, choose M here: the
module will be called ad714x-spi.
+config INPUT_BMA150
+ tristate "BMA150/SMB380 acceleration sensor support"
+ depends on I2C
+ select INPUT_POLLDEV
+ help
+ Say Y here if you have Bosch Sensortec's BMA150 or SMB380
+ acceleration sensor hooked to an I2C bus.
+
+ To compile this driver as a module, choose M here: the
+ module will be called bma150.
+
config INPUT_PCSPKR
tristate "PC Speaker support"
depends on PCSPKR_PLATFORM
@@ -74,6 +85,29 @@ config INPUT_PCSPKR
To compile this driver as a module, choose M here: the
module will be called pcspkr.
+config INPUT_PM8XXX_VIBRATOR
+ tristate "Qualcomm PM8XXX vibrator support"
+ depends on MFD_PM8XXX
+ select INPUT_FF_MEMLESS
+ help
+ This option enables device driver support for the vibrator
+ on Qualcomm PM8xxx chip. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as module, choose M here: the
+ module will be called pm8xxx-vibrator.
+
+config INPUT_PMIC8XXX_PWRKEY
+ tristate "PMIC8XXX power key support"
+ depends on MFD_PM8XXX
+ help
+ Say Y here if you want support for the PMIC8XXX power key.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called pmic8xxx-pwrkey.
+
config INPUT_SPARCSPKR
tristate "SPARC Speaker support"
depends on PCI && SPARC64
@@ -379,17 +413,6 @@ config INPUT_PWM_BEEPER
To compile this driver as a module, choose M here: the module will be
called pwm-beeper.
-config INPUT_PMIC8XXX_PWRKEY
- tristate "PMIC8XXX power key support"
- depends on MFD_PM8XXX
- help
- Say Y here if you want support for the PMIC8XXX power key.
-
- If unsure, say N.
-
- To compile this driver as a module, choose M here: the
- module will be called pmic8xxx-pwrkey.
-
config INPUT_GPIO_ROTARY_ENCODER
tristate "Rotary encoders connected to GPIO pins"
depends on GPIOLIB && GENERIC_GPIO
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 299ad5edba8..53a8d0faad5 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_INPUT_ATI_REMOTE) += ati_remote.o
obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o
obj-$(CONFIG_INPUT_ATLAS_BTNS) += atlas_btns.o
obj-$(CONFIG_INPUT_BFIN_ROTARY) += bfin_rotary.o
+obj-$(CONFIG_INPUT_BMA150) += bma150.o
obj-$(CONFIG_INPUT_CM109) += cm109.o
obj-$(CONFIG_INPUT_CMA3000) += cma3000_d0x.o
obj-$(CONFIG_INPUT_CMA3000_I2C) += cma3000_d0x_i2c.o
@@ -34,9 +35,10 @@ obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o
obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o
obj-$(CONFIG_INPUT_PCF8574) += pcf8574_keypad.o
obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
+obj-$(CONFIG_INPUT_PM8XXX_VIBRATOR) += pm8xxx-vibrator.o
+obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY) += pmic8xxx-pwrkey.o
obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
-obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY) += pmic8xxx-pwrkey.o
obj-$(CONFIG_INPUT_RB532_BUTTON) += rb532_button.o
obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o
obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
diff --git a/drivers/input/misc/ad714x-i2c.c b/drivers/input/misc/ad714x-i2c.c
index 025417d74ca..56810fb4ead 100644
--- a/drivers/input/misc/ad714x-i2c.c
+++ b/drivers/input/misc/ad714x-i2c.c
@@ -116,13 +116,13 @@ static struct i2c_driver ad714x_i2c_driver = {
.id_table = ad714x_id,
};
-static __init int ad714x_i2c_init(void)
+static int __init ad714x_i2c_init(void)
{
return i2c_add_driver(&ad714x_i2c_driver);
}
module_init(ad714x_i2c_init);
-static __exit void ad714x_i2c_exit(void)
+static void __exit ad714x_i2c_exit(void)
{
i2c_del_driver(&ad714x_i2c_driver);
}
diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c
new file mode 100644
index 00000000000..8f55b54352b
--- /dev/null
+++ b/drivers/input/misc/bma150.c
@@ -0,0 +1,691 @@
+/*
+ * Copyright (c) 2011 Bosch Sensortec GmbH
+ * Copyright (c) 2011 Unixphere
+ *
+ * This driver adds support for Bosch Sensortec's digital acceleration
+ * sensors BMA150 and SMB380.
+ * The SMB380 is fully compatible with BMA150 and only differs in packaging.
+ *
+ * The datasheet for the BMA150 chip can be found here:
+ * http://www.bosch-sensortec.com/content/language1/downloads/BST-BMA150-DS000-07.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
+#include <linux/bma150.h>
+
+#define ABSMAX_ACC_VAL 0x01FF
+#define ABSMIN_ACC_VAL -(ABSMAX_ACC_VAL)
+
+/* Each axis is represented by a 2-byte data word */
+#define BMA150_XYZ_DATA_SIZE 6
+
+/* Input poll interval in milliseconds */
+#define BMA150_POLL_INTERVAL 10
+#define BMA150_POLL_MAX 200
+#define BMA150_POLL_MIN 0
+
+#define BMA150_BW_25HZ 0
+#define BMA150_BW_50HZ 1
+#define BMA150_BW_100HZ 2
+#define BMA150_BW_190HZ 3
+#define BMA150_BW_375HZ 4
+#define BMA150_BW_750HZ 5
+#define BMA150_BW_1500HZ 6
+
+#define BMA150_RANGE_2G 0
+#define BMA150_RANGE_4G 1
+#define BMA150_RANGE_8G 2
+
+#define BMA150_MODE_NORMAL 0
+#define BMA150_MODE_SLEEP 2
+#define BMA150_MODE_WAKE_UP 3
+
+/* Data register addresses */
+#define BMA150_DATA_0_REG 0x00
+#define BMA150_DATA_1_REG 0x01
+#define BMA150_DATA_2_REG 0x02
+
+/* Control register addresses */
+#define BMA150_CTRL_0_REG 0x0A
+#define BMA150_CTRL_1_REG 0x0B
+#define BMA150_CTRL_2_REG 0x14
+#define BMA150_CTRL_3_REG 0x15
+
+/* Configuration/Setting register addresses */
+#define BMA150_CFG_0_REG 0x0C
+#define BMA150_CFG_1_REG 0x0D
+#define BMA150_CFG_2_REG 0x0E
+#define BMA150_CFG_3_REG 0x0F
+#define BMA150_CFG_4_REG 0x10
+#define BMA150_CFG_5_REG 0x11
+
+#define BMA150_CHIP_ID 2
+#define BMA150_CHIP_ID_REG BMA150_DATA_0_REG
+
+#define BMA150_ACC_X_LSB_REG BMA150_DATA_2_REG
+
+#define BMA150_SLEEP_POS 0
+#define BMA150_SLEEP_MSK 0x01
+#define BMA150_SLEEP_REG BMA150_CTRL_0_REG
+
+#define BMA150_BANDWIDTH_POS 0
+#define BMA150_BANDWIDTH_MSK 0x07
+#define BMA150_BANDWIDTH_REG BMA150_CTRL_2_REG
+
+#define BMA150_RANGE_POS 3
+#define BMA150_RANGE_MSK 0x18
+#define BMA150_RANGE_REG BMA150_CTRL_2_REG
+
+#define BMA150_WAKE_UP_POS 0
+#define BMA150_WAKE_UP_MSK 0x01
+#define BMA150_WAKE_UP_REG BMA150_CTRL_3_REG
+
+#define BMA150_SW_RES_POS 1
+#define BMA150_SW_RES_MSK 0x02
+#define BMA150_SW_RES_REG BMA150_CTRL_0_REG
+
+/* Any-motion interrupt register fields */
+#define BMA150_ANY_MOTION_EN_POS 6
+#define BMA150_ANY_MOTION_EN_MSK 0x40
+#define BMA150_ANY_MOTION_EN_REG BMA150_CTRL_1_REG
+
+#define BMA150_ANY_MOTION_DUR_POS 6
+#define BMA150_ANY_MOTION_DUR_MSK 0xC0
+#define BMA150_ANY_MOTION_DUR_REG BMA150_CFG_5_REG
+
+#define BMA150_ANY_MOTION_THRES_REG BMA150_CFG_4_REG
+
+/* Advanced interrupt register fields */
+#define BMA150_ADV_INT_EN_POS 6
+#define BMA150_ADV_INT_EN_MSK 0x40
+#define BMA150_ADV_INT_EN_REG BMA150_CTRL_3_REG
+
+/* High-G interrupt register fields */
+#define BMA150_HIGH_G_EN_POS 1
+#define BMA150_HIGH_G_EN_MSK 0x02
+#define BMA150_HIGH_G_EN_REG BMA150_CTRL_1_REG
+
+#define BMA150_HIGH_G_HYST_POS 3
+#define BMA150_HIGH_G_HYST_MSK 0x38
+#define BMA150_HIGH_G_HYST_REG BMA150_CFG_5_REG
+
+#define BMA150_HIGH_G_DUR_REG BMA150_CFG_3_REG
+#define BMA150_HIGH_G_THRES_REG BMA150_CFG_2_REG
+
+/* Low-G interrupt register fields */
+#define BMA150_LOW_G_EN_POS 0
+#define BMA150_LOW_G_EN_MSK 0x01
+#define BMA150_LOW_G_EN_REG BMA150_CTRL_1_REG
+
+#define BMA150_LOW_G_HYST_POS 0
+#define BMA150_LOW_G_HYST_MSK 0x07
+#define BMA150_LOW_G_HYST_REG BMA150_CFG_5_REG
+
+#define BMA150_LOW_G_DUR_REG BMA150_CFG_1_REG
+#define BMA150_LOW_G_THRES_REG BMA150_CFG_0_REG
+
+struct bma150_data {
+ struct i2c_client *client;
+ struct input_polled_dev *input_polled;
+ struct input_dev *input;
+ u8 mode;
+};
+
+/*
+ * The settings for the given range, bandwidth and interrupt features
+ * are stated and verified by Bosch Sensortec where they are configured
+ * to provide a generic sensitivity performance.
+ */
+static struct bma150_cfg default_cfg __devinitdata = {
+ .any_motion_int = 1,
+ .hg_int = 1,
+ .lg_int = 1,
+ .any_motion_dur = 0,
+ .any_motion_thres = 0,
+ .hg_hyst = 0,
+ .hg_dur = 150,
+ .hg_thres = 160,
+ .lg_hyst = 0,
+ .lg_dur = 150,
+ .lg_thres = 20,
+ .range = BMA150_RANGE_2G,
+ .bandwidth = BMA150_BW_50HZ
+};
+
+static int bma150_write_byte(struct i2c_client *client, u8 reg, u8 val)
+{
+ s32 ret;
+
+ /* As per specification, disable irq in between register writes */
+ if (client->irq)
+ disable_irq_nosync(client->irq);
+
+ ret = i2c_smbus_write_byte_data(client, reg, val);
+
+ if (client->irq)
+ enable_irq(client->irq);
+
+ return ret;
+}
+
+static int bma150_set_reg_bits(struct i2c_client *client,
+ int val, int shift, u8 mask, u8 reg)
+{
+ int data;
+
+ data = i2c_smbus_read_byte_data(client, reg);
+ if (data < 0)
+ return data;
+
+ data = (data & ~mask) | ((val << shift) & mask);
+ return bma150_write_byte(client, reg, data);
+}
+
+static int bma150_set_mode(struct bma150_data *bma150, u8 mode)
+{
+ int error;
+
+ error = bma150_set_reg_bits(bma150->client, mode, BMA150_WAKE_UP_POS,
+ BMA150_WAKE_UP_MSK, BMA150_WAKE_UP_REG);
+ if (error)
+ return error;
+
+ error = bma150_set_reg_bits(bma150->client, mode, BMA150_SLEEP_POS,
+ BMA150_SLEEP_MSK, BMA150_SLEEP_REG);
+ if (error)
+ return error;
+
+ if (mode == BMA150_MODE_NORMAL)
+ msleep(2);
+
+ bma150->mode = mode;
+ return 0;
+}
+
+static int __devinit bma150_soft_reset(struct bma150_data *bma150)
+{
+ int error;
+
+ error = bma150_set_reg_bits(bma150->client, 1, BMA150_SW_RES_POS,
+ BMA150_SW_RES_MSK, BMA150_SW_RES_REG);
+ if (error)
+ return error;
+
+ msleep(2);
+ return 0;
+}
+
+static int __devinit bma150_set_range(struct bma150_data *bma150, u8 range)
+{
+ return bma150_set_reg_bits(bma150->client, range, BMA150_RANGE_POS,
+ BMA150_RANGE_MSK, BMA150_RANGE_REG);
+}
+
+static int __devinit bma150_set_bandwidth(struct bma150_data *bma150, u8 bw)
+{
+ return bma150_set_reg_bits(bma150->client, bw, BMA150_BANDWIDTH_POS,
+ BMA150_BANDWIDTH_MSK, BMA150_BANDWIDTH_REG);
+}
+
+static int __devinit bma150_set_low_g_interrupt(struct bma150_data *bma150,
+ u8 enable, u8 hyst, u8 dur, u8 thres)
+{
+ int error;
+
+ error = bma150_set_reg_bits(bma150->client, hyst,
+ BMA150_LOW_G_HYST_POS, BMA150_LOW_G_HYST_MSK,
+ BMA150_LOW_G_HYST_REG);
+ if (error)
+ return error;
+
+ error = bma150_write_byte(bma150->client, BMA150_LOW_G_DUR_REG, dur);
+ if (error)
+ return error;
+
+ error = bma150_write_byte(bma150->client, BMA150_LOW_G_THRES_REG, thres);
+ if (error)
+ return error;
+
+ return bma150_set_reg_bits(bma150->client, !!enable,
+ BMA150_LOW_G_EN_POS, BMA150_LOW_G_EN_MSK,
+ BMA150_LOW_G_EN_REG);
+}
+
+static int __devinit bma150_set_high_g_interrupt(struct bma150_data *bma150,
+ u8 enable, u8 hyst, u8 dur, u8 thres)
+{
+ int error;
+
+ error = bma150_set_reg_bits(bma150->client, hyst,
+ BMA150_HIGH_G_HYST_POS, BMA150_HIGH_G_HYST_MSK,
+ BMA150_HIGH_G_HYST_REG);
+ if (error)
+ return error;
+
+ error = bma150_write_byte(bma150->client,
+ BMA150_HIGH_G_DUR_REG, dur);
+ if (error)
+ return error;
+
+ error = bma150_write_byte(bma150->client,
+ BMA150_HIGH_G_THRES_REG, thres);
+ if (error)
+ return error;
+
+ return bma150_set_reg_bits(bma150->client, !!enable,
+ BMA150_HIGH_G_EN_POS, BMA150_HIGH_G_EN_MSK,
+ BMA150_HIGH_G_EN_REG);
+}
+
+
+static int __devinit bma150_set_any_motion_interrupt(struct bma150_data *bma150,
+ u8 enable, u8 dur, u8 thres)
+{
+ int error;
+
+ error = bma150_set_reg_bits(bma150->client, dur,
+ BMA150_ANY_MOTION_DUR_POS,
+ BMA150_ANY_MOTION_DUR_MSK,
+ BMA150_ANY_MOTION_DUR_REG);
+ if (error)
+ return error;
+
+ error = bma150_write_byte(bma150->client,
+ BMA150_ANY_MOTION_THRES_REG, thres);
+ if (error)
+ return error;
+
+ error = bma150_set_reg_bits(bma150->client, !!enable,
+ BMA150_ADV_INT_EN_POS, BMA150_ADV_INT_EN_MSK,
+ BMA150_ADV_INT_EN_REG);
+ if (error)
+ return error;
+
+ return bma150_set_reg_bits(bma150->client, !!enable,
+ BMA150_ANY_MOTION_EN_POS,
+ BMA150_ANY_MOTION_EN_MSK,
+ BMA150_ANY_MOTION_EN_REG);
+}
+
+static void bma150_report_xyz(struct bma150_data *bma150)
+{
+ u8 data[BMA150_XYZ_DATA_SIZE];
+ s16 x, y, z;
+ s32 ret;
+
+ ret = i2c_smbus_read_i2c_block_data(bma150->client,
+ BMA150_ACC_X_LSB_REG, BMA150_XYZ_DATA_SIZE, data);
+ if (ret != BMA150_XYZ_DATA_SIZE)
+ return;
+
+ x = ((0xc0 & data[0]) >> 6) | (data[1] << 2);
+ y = ((0xc0 & data[2]) >> 6) | (data[3] << 2);
+ z = ((0xc0 & data[4]) >> 6) | (data[5] << 2);
+
+ /* sign extension */
+ x = (s16) (x << 6) >> 6;
+ y = (s16) (y << 6) >> 6;
+ z = (s16) (z << 6) >> 6;
+
+ input_report_abs(bma150->input, ABS_X, x);
+ input_report_abs(bma150->input, ABS_Y, y);
+ input_report_abs(bma150->input, ABS_Z, z);
+ input_sync(bma150->input);
+}
+
+static irqreturn_t bma150_irq_thread(int irq, void *dev)
+{
+ bma150_report_xyz(dev);
+
+ return IRQ_HANDLED;
+}
+
+static void bma150_poll(struct input_polled_dev *dev)
+{
+ bma150_report_xyz(dev->private);
+}
+
+static int bma150_open(struct bma150_data *bma150)
+{
+ int error;
+
+ error = pm_runtime_get_sync(&bma150->client->dev);
+ if (error && error != -ENOSYS)
+ return error;
+
+ /*
+ * See if runtime PM woke up the device. If runtime PM
+ * is disabled we need to do it ourselves.
+ */
+ if (bma150->mode != BMA150_MODE_NORMAL) {
+ error = bma150_set_mode(bma150, BMA150_MODE_NORMAL);
+ if (error)
+ return error;
+ }
+
+ return 0;
+}
+
+static void bma150_close(struct bma150_data *bma150)
+{
+ pm_runtime_put_sync(&bma150->client->dev);
+
+ if (bma150->mode != BMA150_MODE_SLEEP)
+ bma150_set_mode(bma150, BMA150_MODE_SLEEP);
+}
+
+static int bma150_irq_open(struct input_dev *input)
+{
+ struct bma150_data *bma150 = input_get_drvdata(input);
+
+ return bma150_open(bma150);
+}
+
+static void bma150_irq_close(struct input_dev *input)
+{
+ struct bma150_data *bma150 = input_get_drvdata(input);
+
+ bma150_close(bma150);
+}
+
+static void bma150_poll_open(struct input_polled_dev *ipoll_dev)
+{
+ struct bma150_data *bma150 = ipoll_dev->private;
+
+ bma150_open(bma150);
+}
+
+static void bma150_poll_close(struct input_polled_dev *ipoll_dev)
+{
+ struct bma150_data *bma150 = ipoll_dev->private;
+
+ bma150_close(bma150);
+}
+
+static int __devinit bma150_initialize(struct bma150_data *bma150,
+ const struct bma150_cfg *cfg)
+{
+ int error;
+
+ error = bma150_soft_reset(bma150);
+ if (error)
+ return error;
+
+ error = bma150_set_bandwidth(bma150, cfg->bandwidth);
+ if (error)
+ return error;
+
+ error = bma150_set_range(bma150, cfg->range);
+ if (error)
+ return error;
+
+ if (bma150->client->irq) {
+ error = bma150_set_any_motion_interrupt(bma150,
+ cfg->any_motion_int,
+ cfg->any_motion_dur,
+ cfg->any_motion_thres);
+ if (error)
+ return error;
+
+ error = bma150_set_high_g_interrupt(bma150,
+ cfg->hg_int, cfg->hg_hyst,
+ cfg->hg_dur, cfg->hg_thres);
+ if (error)
+ return error;
+
+ error = bma150_set_low_g_interrupt(bma150,
+ cfg->lg_int, cfg->lg_hyst,
+ cfg->lg_dur, cfg->lg_thres);
+ if (error)
+ return error;
+ }
+
+ return bma150_set_mode(bma150, BMA150_MODE_SLEEP);
+}
+
+static void __devinit bma150_init_input_device(struct bma150_data *bma150,
+ struct input_dev *idev)
+{
+ idev->name = BMA150_DRIVER;
+ idev->phys = BMA150_DRIVER "/input0";
+ idev->id.bustype = BUS_I2C;
+ idev->dev.parent = &bma150->client->dev;
+
+ idev->evbit[0] = BIT_MASK(EV_ABS);
+ input_set_abs_params(idev, ABS_X, ABSMIN_ACC_VAL, ABSMAX_ACC_VAL, 0, 0);
+ input_set_abs_params(idev, ABS_Y, ABSMIN_ACC_VAL, ABSMAX_ACC_VAL, 0, 0);
+ input_set_abs_params(idev, ABS_Z, ABSMIN_ACC_VAL, ABSMAX_ACC_VAL, 0, 0);
+}
+
+static int __devinit bma150_register_input_device(struct bma150_data *bma150)
+{
+ struct input_dev *idev;
+ int error;
+
+ idev = input_allocate_device();
+ if (!idev)
+ return -ENOMEM;
+
+ bma150_init_input_device(bma150, idev);
+
+ idev->open = bma150_irq_open;
+ idev->close = bma150_irq_close;
+ input_set_drvdata(idev, bma150);
+
+ error = input_register_device(idev);
+ if (error) {
+ input_free_device(idev);
+ return error;
+ }
+
+ bma150->input = idev;
+ return 0;
+}
+
+static int __devinit bma150_register_polled_device(struct bma150_data *bma150)
+{
+ struct input_polled_dev *ipoll_dev;
+ int error;
+
+ ipoll_dev = input_allocate_polled_device();
+ if (!ipoll_dev)
+ return -ENOMEM;
+
+ ipoll_dev->private = bma150;
+ ipoll_dev->open = bma150_poll_open;
+ ipoll_dev->close = bma150_poll_close;
+ ipoll_dev->poll = bma150_poll;
+ ipoll_dev->poll_interval = BMA150_POLL_INTERVAL;
+ ipoll_dev->poll_interval_min = BMA150_POLL_MIN;
+ ipoll_dev->poll_interval_max = BMA150_POLL_MAX;
+
+ bma150_init_input_device(bma150, ipoll_dev->input);
+
+ error = input_register_polled_device(ipoll_dev);
+ if (error) {
+ input_free_polled_device(ipoll_dev);
+ return error;
+ }
+
+ bma150->input_polled = ipoll_dev;
+ bma150->input = ipoll_dev->input;
+
+ return 0;
+}
+
+static int __devinit bma150_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ const struct bma150_platform_data *pdata = client->dev.platform_data;
+ const struct bma150_cfg *cfg;
+ struct bma150_data *bma150;
+ int chip_id;
+ int error;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "i2c_check_functionality error\n");
+ return -EIO;
+ }
+
+ chip_id = i2c_smbus_read_byte_data(client, BMA150_CHIP_ID_REG);
+ if (chip_id != BMA150_CHIP_ID) {
+ dev_err(&client->dev, "BMA150 chip id error: %d\n", chip_id);
+ return -EINVAL;
+ }
+
+ bma150 = kzalloc(sizeof(struct bma150_data), GFP_KERNEL);
+ if (!bma150)
+ return -ENOMEM;
+
+ bma150->client = client;
+
+ if (pdata) {
+ if (pdata->irq_gpio_cfg) {
+ error = pdata->irq_gpio_cfg();
+ if (error) {
+ dev_err(&client->dev,
+ "IRQ GPIO conf. error %d, error %d\n",
+ client->irq, error);
+ goto err_free_mem;
+ }
+ }
+ cfg = &pdata->cfg;
+ } else {
+ cfg = &default_cfg;
+ }
+
+ error = bma150_initialize(bma150, cfg);
+ if (error)
+ goto err_free_mem;
+
+ if (client->irq > 0) {
+ error = bma150_register_input_device(bma150);
+ if (error)
+ goto err_free_mem;
+
+ error = request_threaded_irq(client->irq,
+ NULL, bma150_irq_thread,
+ IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+ BMA150_DRIVER, bma150);
+ if (error) {
+ dev_err(&client->dev,
+ "irq request failed %d, error %d\n",
+ client->irq, error);
+ input_unregister_device(bma150->input);
+ goto err_free_mem;
+ }
+ } else {
+ error = bma150_register_polled_device(bma150);
+ if (error)
+ goto err_free_mem;
+ }
+
+ i2c_set_clientdata(client, bma150);
+
+ pm_runtime_enable(&client->dev);
+
+ return 0;
+
+err_free_mem:
+ kfree(bma150);
+ return error;
+}
+
+static int __devexit bma150_remove(struct i2c_client *client)
+{
+ struct bma150_data *bma150 = i2c_get_clientdata(client);
+
+ pm_runtime_disable(&client->dev);
+
+ if (client->irq > 0) {
+ free_irq(client->irq, bma150);
+ input_unregister_device(bma150->input);
+ } else {
+ input_unregister_polled_device(bma150->input_polled);
+ input_free_polled_device(bma150->input_polled);
+ }
+
+ kfree(bma150);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int bma150_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct bma150_data *bma150 = i2c_get_clientdata(client);
+
+ return bma150_set_mode(bma150, BMA150_MODE_SLEEP);
+}
+
+static int bma150_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct bma150_data *bma150 = i2c_get_clientdata(client);
+
+ return bma150_set_mode(bma150, BMA150_MODE_NORMAL);
+}
+#endif
+
+static UNIVERSAL_DEV_PM_OPS(bma150_pm, bma150_suspend, bma150_resume, NULL);
+
+static const struct i2c_device_id bma150_id[] = {
+ { "bma150", 0 },
+ { "smb380", 0 },
+ { "bma023", 0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(i2c, bma150_id);
+
+static struct i2c_driver bma150_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = BMA150_DRIVER,
+ .pm = &bma150_pm,
+ },
+ .class = I2C_CLASS_HWMON,
+ .id_table = bma150_id,
+ .probe = bma150_probe,
+ .remove = __devexit_p(bma150_remove),
+};
+
+static int __init BMA150_init(void)
+{
+ return i2c_add_driver(&bma150_driver);
+}
+
+static void __exit BMA150_exit(void)
+{
+ i2c_del_driver(&bma150_driver);
+}
+
+MODULE_AUTHOR("Albert Zhang <xu.zhang@bosch-sensortec.com>");
+MODULE_DESCRIPTION("BMA150 driver");
+MODULE_LICENSE("GPL");
+
+module_init(BMA150_init);
+module_exit(BMA150_exit);
diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c
new file mode 100644
index 00000000000..43192930824
--- /dev/null
+++ b/drivers/input/misc/pm8xxx-vibrator.c
@@ -0,0 +1,296 @@
+/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/mfd/pm8xxx/core.h>
+
+#define VIB_DRV 0x4A
+
+#define VIB_DRV_SEL_MASK 0xf8
+#define VIB_DRV_SEL_SHIFT 0x03
+#define VIB_DRV_EN_MANUAL_MASK 0xfc
+
+#define VIB_MAX_LEVEL_mV (3100)
+#define VIB_MIN_LEVEL_mV (1200)
+#define VIB_MAX_LEVELS (VIB_MAX_LEVEL_mV - VIB_MIN_LEVEL_mV)
+
+#define MAX_FF_SPEED 0xff
+
+/**
+ * struct pm8xxx_vib - structure to hold vibrator data
+ * @vib_input_dev: input device supporting force feedback
+ * @work: work structure to set the vibration parameters
+ * @dev: device supporting force feedback
+ * @speed: speed of vibration set from userland
+ * @active: state of vibrator
+ * @level: level of vibration to set in the chip
+ * @reg_vib_drv: VIB_DRV register value
+ */
+struct pm8xxx_vib {
+ struct input_dev *vib_input_dev;
+ struct work_struct work;
+ struct device *dev;
+ int speed;
+ int level;
+ bool active;
+ u8 reg_vib_drv;
+};
+
+/**
+ * pm8xxx_vib_read_u8 - helper to read a byte from pmic chip
+ * @vib: pointer to vibrator structure
+ * @data: placeholder for data to be read
+ * @reg: register address
+ */
+static int pm8xxx_vib_read_u8(struct pm8xxx_vib *vib,
+ u8 *data, u16 reg)
+{
+ int rc;
+
+ rc = pm8xxx_readb(vib->dev->parent, reg, data);
+ if (rc < 0)
+ dev_warn(vib->dev, "Error reading pm8xxx reg 0x%x(0x%x)\n",
+ reg, rc);
+ return rc;
+}
+
+/**
+ * pm8xxx_vib_write_u8 - helper to write a byte to pmic chip
+ * @vib: pointer to vibrator structure
+ * @data: data to write
+ * @reg: register address
+ */
+static int pm8xxx_vib_write_u8(struct pm8xxx_vib *vib,
+ u8 data, u16 reg)
+{
+ int rc;
+
+ rc = pm8xxx_writeb(vib->dev->parent, reg, data);
+ if (rc < 0)
+ dev_warn(vib->dev, "Error writing pm8xxx reg 0x%x(0x%x)\n",
+ reg, rc);
+ return rc;
+}
+
+/**
+ * pm8xxx_vib_set - handler to start/stop vibration
+ * @vib: pointer to vibrator structure
+ * @on: state to set
+ */
+static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on)
+{
+ int rc;
+ u8 val = vib->reg_vib_drv;
+
+ if (on)
+ val |= ((vib->level << VIB_DRV_SEL_SHIFT) & VIB_DRV_SEL_MASK);
+ else
+ val &= ~VIB_DRV_SEL_MASK;
+
+ rc = pm8xxx_vib_write_u8(vib, val, VIB_DRV);
+ if (rc < 0)
+ return rc;
+
+ vib->reg_vib_drv = val;
+ return 0;
+}
+
+/**
+ * pm8xxx_work_handler - worker to set vibration level
+ * @work: pointer to work_struct
+ */
+static void pm8xxx_work_handler(struct work_struct *work)
+{
+ struct pm8xxx_vib *vib = container_of(work, struct pm8xxx_vib, work);
+ int rc;
+ u8 val;
+
+ rc = pm8xxx_vib_read_u8(vib, &val, VIB_DRV);
+ if (rc < 0)
+ return;
+
+ /*
+ * pmic vibrator supports voltage ranges from 1.2 to 3.1V, so
+ * scale the level to fit into these ranges.
+ */
+ if (vib->speed) {
+ vib->active = true;
+ vib->level = ((VIB_MAX_LEVELS * vib->speed) / MAX_FF_SPEED) +
+ VIB_MIN_LEVEL_mV;
+ vib->level /= 100;
+ } else {
+ vib->active = false;
+ vib->level = VIB_MIN_LEVEL_mV / 100;
+ }
+
+ pm8xxx_vib_set(vib, vib->active);
+}
+
+/**
+ * pm8xxx_vib_close - callback of input close callback
+ * @dev: input device pointer
+ *
+ * Turns off the vibrator.
+ */
+static void pm8xxx_vib_close(struct input_dev *dev)
+{
+ struct pm8xxx_vib *vib = input_get_drvdata(dev);
+
+ cancel_work_sync(&vib->work);
+ if (vib->active)
+ pm8xxx_vib_set(vib, false);
+}
+
+/**
+ * pm8xxx_vib_play_effect - function to handle vib effects.
+ * @dev: input device pointer
+ * @data: data of effect
+ * @effect: effect to play
+ *
+ * Currently this driver supports only rumble effects.
+ */
+static int pm8xxx_vib_play_effect(struct input_dev *dev, void *data,
+ struct ff_effect *effect)
+{
+ struct pm8xxx_vib *vib = input_get_drvdata(dev);
+
+ vib->speed = effect->u.rumble.strong_magnitude >> 8;
+ if (!vib->speed)
+ vib->speed = effect->u.rumble.weak_magnitude >> 9;
+
+ schedule_work(&vib->work);
+
+ return 0;
+}
+
+static int __devinit pm8xxx_vib_probe(struct platform_device *pdev)
+
+{
+ struct pm8xxx_vib *vib;
+ struct input_dev *input_dev;
+ int error;
+ u8 val;
+
+ vib = kzalloc(sizeof(*vib), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!vib || !input_dev) {
+ dev_err(&pdev->dev, "couldn't allocate memory\n");
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ INIT_WORK(&vib->work, pm8xxx_work_handler);
+ vib->dev = &pdev->dev;
+ vib->vib_input_dev = input_dev;
+
+ /* operate in manual mode */
+ error = pm8xxx_vib_read_u8(vib, &val, VIB_DRV);
+ if (error < 0)
+ goto err_free_mem;
+ val &= ~VIB_DRV_EN_MANUAL_MASK;
+ error = pm8xxx_vib_write_u8(vib, val, VIB_DRV);
+ if (error < 0)
+ goto err_free_mem;
+
+ vib->reg_vib_drv = val;
+
+ input_dev->name = "pm8xxx_vib_ffmemless";
+ input_dev->id.version = 1;
+ input_dev->dev.parent = &pdev->dev;
+ input_dev->close = pm8xxx_vib_close;
+ input_set_drvdata(input_dev, vib);
+ input_set_capability(vib->vib_input_dev, EV_FF, FF_RUMBLE);
+
+ error = input_ff_create_memless(input_dev, NULL,
+ pm8xxx_vib_play_effect);
+ if (error) {
+ dev_err(&pdev->dev,
+ "couldn't register vibrator as FF device\n");
+ goto err_free_mem;
+ }
+
+ error = input_register_device(input_dev);
+ if (error) {
+ dev_err(&pdev->dev, "couldn't register input device\n");
+ goto err_destroy_memless;
+ }
+
+ platform_set_drvdata(pdev, vib);
+ return 0;
+
+err_destroy_memless:
+ input_ff_destroy(input_dev);
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(vib);
+
+ return error;
+}
+
+static int __devexit pm8xxx_vib_remove(struct platform_device *pdev)
+{
+ struct pm8xxx_vib *vib = platform_get_drvdata(pdev);
+
+ input_unregister_device(vib->vib_input_dev);
+ kfree(vib);
+
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int pm8xxx_vib_suspend(struct device *dev)
+{
+ struct pm8xxx_vib *vib = dev_get_drvdata(dev);
+
+ /* Turn off the vibrator */
+ pm8xxx_vib_set(vib, false);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(pm8xxx_vib_pm_ops, pm8xxx_vib_suspend, NULL);
+
+static struct platform_driver pm8xxx_vib_driver = {
+ .probe = pm8xxx_vib_probe,
+ .remove = __devexit_p(pm8xxx_vib_remove),
+ .driver = {
+ .name = "pm8xxx-vib",
+ .owner = THIS_MODULE,
+ .pm = &pm8xxx_vib_pm_ops,
+ },
+};
+
+static int __init pm8xxx_vib_init(void)
+{
+ return platform_driver_register(&pm8xxx_vib_driver);
+}
+module_init(pm8xxx_vib_init);
+
+static void __exit pm8xxx_vib_exit(void)
+{
+ platform_driver_unregister(&pm8xxx_vib_driver);
+}
+module_exit(pm8xxx_vib_exit);
+
+MODULE_ALIAS("platform:pm8xxx_vib");
+MODULE_DESCRIPTION("PMIC8xxx vibrator driver based on ff-memless framework");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Amy Maloche <amaloche@codeaurora.org>");
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 5538fc657af..30c85a5b718 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -44,6 +44,16 @@
#define YMIN_NOMINAL 1408
#define YMAX_NOMINAL 4448
+/*
+ * Synaptics touchpads report the y coordinate from bottom to top, which is
+ * opposite from what userspace expects.
+ * This function is used to invert y before reporting.
+ */
+static int synaptics_invert_y(int y)
+{
+ return YMAX_NOMINAL + YMIN_NOMINAL - y;
+}
+
/*****************************************************************************
* Stuff we need even when we do not want native Synaptics support
@@ -294,7 +304,8 @@ static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
static unsigned char param = 0xc8;
struct synaptics_data *priv = psmouse->private;
- if (!SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
+ if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) ||
+ SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)))
return 0;
if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL))
@@ -409,6 +420,44 @@ static void synaptics_pt_create(struct psmouse *psmouse)
* Functions to interpret the absolute mode packets
****************************************************************************/
+static void synaptics_mt_state_set(struct synaptics_mt_state *state, int count,
+ int sgm, int agm)
+{
+ state->count = count;
+ state->sgm = sgm;
+ state->agm = agm;
+}
+
+static void synaptics_parse_agm(const unsigned char buf[],
+ struct synaptics_data *priv,
+ struct synaptics_hw_state *hw)
+{
+ struct synaptics_hw_state *agm = &priv->agm;
+ int agm_packet_type;
+
+ agm_packet_type = (buf[5] & 0x30) >> 4;
+ switch (agm_packet_type) {
+ case 1:
+ /* Gesture packet: (x, y, z) half resolution */
+ agm->w = hw->w;
+ agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1;
+ agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1;
+ agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1;
+ break;
+
+ case 2:
+ /* AGM-CONTACT packet: (count, sgm, agm) */
+ synaptics_mt_state_set(&agm->mt_state, buf[1], buf[2], buf[4]);
+ break;
+
+ default:
+ break;
+ }
+
+ /* Record that at least one AGM has been received since last SGM */
+ priv->agm_pending = true;
+}
+
static int synaptics_parse_hw_state(const unsigned char buf[],
struct synaptics_data *priv,
struct synaptics_hw_state *hw)
@@ -442,11 +491,10 @@ static int synaptics_parse_hw_state(const unsigned char buf[],
hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0;
}
- if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) && hw->w == 2) {
- /* Gesture packet: (x, y, z) at half resolution */
- priv->mt.x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1;
- priv->mt.y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1;
- priv->mt.z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1;
+ if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) ||
+ SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) &&
+ hw->w == 2) {
+ synaptics_parse_agm(buf, priv, hw);
return 1;
}
@@ -502,8 +550,7 @@ static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot,
input_mt_report_slot_state(dev, MT_TOOL_FINGER, active);
if (active) {
input_report_abs(dev, ABS_MT_POSITION_X, x);
- input_report_abs(dev, ABS_MT_POSITION_Y,
- YMAX_NOMINAL + YMIN_NOMINAL - y);
+ input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y));
}
}
@@ -526,6 +573,388 @@ static void synaptics_report_semi_mt_data(struct input_dev *dev,
}
}
+static void synaptics_report_buttons(struct psmouse *psmouse,
+ const struct synaptics_hw_state *hw)
+{
+ struct input_dev *dev = psmouse->dev;
+ struct synaptics_data *priv = psmouse->private;
+ int i;
+
+ input_report_key(dev, BTN_LEFT, hw->left);
+ input_report_key(dev, BTN_RIGHT, hw->right);
+
+ if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
+ input_report_key(dev, BTN_MIDDLE, hw->middle);
+
+ if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) {
+ input_report_key(dev, BTN_FORWARD, hw->up);
+ input_report_key(dev, BTN_BACK, hw->down);
+ }
+
+ for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
+ input_report_key(dev, BTN_0 + i, hw->ext_buttons & (1 << i));
+}
+
+static void synaptics_report_slot(struct input_dev *dev, int slot,
+ const struct synaptics_hw_state *hw)
+{
+ input_mt_slot(dev, slot);
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, (hw != NULL));
+ if (!hw)
+ return;
+
+ input_report_abs(dev, ABS_MT_POSITION_X, hw->x);
+ input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(hw->y));
+ input_report_abs(dev, ABS_MT_PRESSURE, hw->z);
+}
+
+static void synaptics_report_mt_data(struct psmouse *psmouse,
+ struct synaptics_mt_state *mt_state,
+ const struct synaptics_hw_state *sgm)
+{
+ struct input_dev *dev = psmouse->dev;
+ struct synaptics_data *priv = psmouse->private;
+ struct synaptics_hw_state *agm = &priv->agm;
+ struct synaptics_mt_state *old = &priv->mt_state;
+
+ switch (mt_state->count) {
+ case 0:
+ synaptics_report_slot(dev, 0, NULL);
+ synaptics_report_slot(dev, 1, NULL);
+ break;
+ case 1:
+ if (mt_state->sgm == -1) {
+ synaptics_report_slot(dev, 0, NULL);
+ synaptics_report_slot(dev, 1, NULL);
+ } else if (mt_state->sgm == 0) {
+ synaptics_report_slot(dev, 0, sgm);
+ synaptics_report_slot(dev, 1, NULL);
+ } else {
+ synaptics_report_slot(dev, 0, NULL);
+ synaptics_report_slot(dev, 1, sgm);
+ }
+ break;
+ default:
+ /*
+ * If the finger slot contained in SGM is valid, and either
+ * hasn't changed, or is new, then report SGM in MTB slot 0.
+ * Otherwise, empty MTB slot 0.
+ */
+ if (mt_state->sgm != -1 &&
+ (mt_state->sgm == old->sgm || old->sgm == -1))
+ synaptics_report_slot(dev, 0, sgm);
+ else
+ synaptics_report_slot(dev, 0, NULL);
+
+ /*
+ * If the finger slot contained in AGM is valid, and either
+ * hasn't changed, or is new, then report AGM in MTB slot 1.
+ * Otherwise, empty MTB slot 1.
+ */
+ if (mt_state->agm != -1 &&
+ (mt_state->agm == old->agm || old->agm == -1))
+ synaptics_report_slot(dev, 1, agm);
+ else
+ synaptics_report_slot(dev, 1, NULL);
+ break;
+ }
+
+ /* Don't use active slot count to generate BTN_TOOL events. */
+ input_mt_report_pointer_emulation(dev, false);
+
+ /* Send the number of fingers reported by touchpad itself. */
+ input_mt_report_finger_count(dev, mt_state->count);
+
+ synaptics_report_buttons(psmouse, sgm);
+
+ input_sync(dev);
+}
+
+/* Handle case where mt_state->count = 0 */
+static void synaptics_image_sensor_0f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ synaptics_mt_state_set(mt_state, 0, -1, -1);
+ priv->mt_state_lost = false;
+}
+
+/* Handle case where mt_state->count = 1 */
+static void synaptics_image_sensor_1f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ struct synaptics_hw_state *agm = &priv->agm;
+ struct synaptics_mt_state *old = &priv->mt_state;
+
+ /*
+ * If the last AGM was (0,0,0), and there is only one finger left,
+ * then we absolutely know that SGM contains slot 0, and all other
+ * fingers have been removed.
+ */
+ if (priv->agm_pending && agm->z == 0) {
+ synaptics_mt_state_set(mt_state, 1, 0, -1);
+ priv->mt_state_lost = false;
+ return;
+ }
+
+ switch (old->count) {
+ case 0:
+ synaptics_mt_state_set(mt_state, 1, 0, -1);
+ break;
+ case 1:
+ /*
+ * If mt_state_lost, then the previous transition was 3->1,
+ * and SGM now contains either slot 0 or 1, but we don't know
+ * which. So, we just assume that the SGM now contains slot 1.
+ *
+ * If pending AGM and either:
+ * (a) the previous SGM slot contains slot 0, or
+ * (b) there was no SGM slot
+ * then, the SGM now contains slot 1
+ *
+ * Case (a) happens with very rapid "drum roll" gestures, where
+ * slot 0 finger is lifted and a new slot 1 finger touches
+ * within one reporting interval.
+ *
+ * Case (b) happens if initially two or more fingers tap
+ * briefly, and all but one lift before the end of the first
+ * reporting interval.
+ *
+ * (In both these cases, slot 0 will becomes empty, so SGM
+ * contains slot 1 with the new finger)
+ *
+ * Else, if there was no previous SGM, it now contains slot 0.
+ *
+ * Otherwise, SGM still contains the same slot.
+ */
+ if (priv->mt_state_lost ||
+ (priv->agm_pending && old->sgm <= 0))
+ synaptics_mt_state_set(mt_state, 1, 1, -1);
+ else if (old->sgm == -1)
+ synaptics_mt_state_set(mt_state, 1, 0, -1);
+ break;
+ case 2:
+ /*
+ * If mt_state_lost, we don't know which finger SGM contains.
+ *
+ * So, report 1 finger, but with both slots empty.
+ * We will use slot 1 on subsequent 1->1
+ */
+ if (priv->mt_state_lost) {
+ synaptics_mt_state_set(mt_state, 1, -1, -1);
+ break;
+ }
+ /*
+ * Since the last AGM was NOT (0,0,0), it was the finger in
+ * slot 0 that has been removed.
+ * So, SGM now contains previous AGM's slot, and AGM is now
+ * empty.
+ */
+ synaptics_mt_state_set(mt_state, 1, old->agm, -1);
+ break;
+ case 3:
+ /*
+ * Since last AGM was not (0,0,0), we don't know which finger
+ * is left.
+ *
+ * So, report 1 finger, but with both slots empty.
+ * We will use slot 1 on subsequent 1->1
+ */
+ synaptics_mt_state_set(mt_state, 1, -1, -1);
+ priv->mt_state_lost = true;
+ break;
+ case 4:
+ case 5:
+ /* mt_state was updated by AGM-CONTACT packet */
+ break;
+ }
+}
+
+/* Handle case where mt_state->count = 2 */
+static void synaptics_image_sensor_2f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ struct synaptics_mt_state *old = &priv->mt_state;
+
+ switch (old->count) {
+ case 0:
+ synaptics_mt_state_set(mt_state, 2, 0, 1);
+ break;
+ case 1:
+ /*
+ * If previous SGM contained slot 1 or higher, SGM now contains
+ * slot 0 (the newly touching finger) and AGM contains SGM's
+ * previous slot.
+ *
+ * Otherwise, SGM still contains slot 0 and AGM now contains
+ * slot 1.
+ */
+ if (old->sgm >= 1)
+ synaptics_mt_state_set(mt_state, 2, 0, old->sgm);
+ else
+ synaptics_mt_state_set(mt_state, 2, 0, 1);
+ break;
+ case 2:
+ /*
+ * If mt_state_lost, SGM now contains either finger 1 or 2, but
+ * we don't know which.
+ * So, we just assume that the SGM contains slot 0 and AGM 1.
+ */
+ if (priv->mt_state_lost)
+ synaptics_mt_state_set(mt_state, 2, 0, 1);
+ /*
+ * Otherwise, use the same mt_state, since it either hasn't
+ * changed, or was updated by a recently received AGM-CONTACT
+ * packet.
+ */
+ break;
+ case 3:
+ /*
+ * 3->2 transitions have two unsolvable problems:
+ * 1) no indication is given which finger was removed
+ * 2) no way to tell if agm packet was for finger 3
+ * before 3->2, or finger 2 after 3->2.
+ *
+ * So, report 2 fingers, but empty all slots.
+ * We will guess slots [0,1] on subsequent 2->2.
+ */
+ synaptics_mt_state_set(mt_state, 2, -1, -1);
+ priv->mt_state_lost = true;
+ break;
+ case 4:
+ case 5:
+ /* mt_state was updated by AGM-CONTACT packet */
+ break;
+ }
+}
+
+/* Handle case where mt_state->count = 3 */
+static void synaptics_image_sensor_3f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ struct synaptics_mt_state *old = &priv->mt_state;
+
+ switch (old->count) {
+ case 0:
+ synaptics_mt_state_set(mt_state, 3, 0, 2);
+ break;
+ case 1:
+ /*
+ * If previous SGM contained slot 2 or higher, SGM now contains
+ * slot 0 (one of the newly touching fingers) and AGM contains
+ * SGM's previous slot.
+ *
+ * Otherwise, SGM now contains slot 0 and AGM contains slot 2.
+ */
+ if (old->sgm >= 2)
+ synaptics_mt_state_set(mt_state, 3, 0, old->sgm);
+ else
+ synaptics_mt_state_set(mt_state, 3, 0, 2);
+ break;
+ case 2:
+ /*
+ * If the AGM previously contained slot 3 or higher, then the
+ * newly touching finger is in the lowest available slot.
+ *
+ * If SGM was previously 1 or higher, then the new SGM is
+ * now slot 0 (with a new finger), otherwise, the new finger
+ * is now in a hidden slot between 0 and AGM's slot.
+ *
+ * In all such cases, the SGM now contains slot 0, and the AGM
+ * continues to contain the same slot as before.
+ */
+ if (old->agm >= 3) {
+ synaptics_mt_state_set(mt_state, 3, 0, old->agm);
+ break;
+ }
+
+ /*
+ * After some 3->1 and all 3->2 transitions, we lose track
+ * of which slot is reported by SGM and AGM.
+ *
+ * For 2->3 in this state, report 3 fingers, but empty all
+ * slots, and we will guess (0,2) on a subsequent 0->3.
+ *
+ * To userspace, the resulting transition will look like:
+ * 2:[0,1] -> 3:[-1,-1] -> 3:[0,2]
+ */
+ if (priv->mt_state_lost) {
+ synaptics_mt_state_set(mt_state, 3, -1, -1);
+ break;
+ }
+
+ /*
+ * If the (SGM,AGM) really previously contained slots (0, 1),
+ * then we cannot know what slot was just reported by the AGM,
+ * because the 2->3 transition can occur either before or after
+ * the AGM packet. Thus, this most recent AGM could contain
+ * either the same old slot 1 or the new slot 2.
+ * Subsequent AGMs will be reporting slot 2.
+ *
+ * To userspace, the resulting transition will look like:
+ * 2:[0,1] -> 3:[0,-1] -> 3:[0,2]
+ */
+ synaptics_mt_state_set(mt_state, 3, 0, -1);
+ break;
+ case 3:
+ /*
+ * If, for whatever reason, the previous agm was invalid,
+ * Assume SGM now contains slot 0, AGM now contains slot 2.
+ */
+ if (old->agm <= 2)
+ synaptics_mt_state_set(mt_state, 3, 0, 2);
+ /*
+ * mt_state either hasn't changed, or was updated by a recently
+ * received AGM-CONTACT packet.
+ */
+ break;
+
+ case 4:
+ case 5:
+ /* mt_state was updated by AGM-CONTACT packet */
+ break;
+ }
+}
+
+/* Handle case where mt_state->count = 4, or = 5 */
+static void synaptics_image_sensor_45f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ /* mt_state was updated correctly by AGM-CONTACT packet */
+ priv->mt_state_lost = false;
+}
+
+static void synaptics_image_sensor_process(struct psmouse *psmouse,
+ struct synaptics_hw_state *sgm)
+{
+ struct synaptics_data *priv = psmouse->private;
+ struct synaptics_hw_state *agm = &priv->agm;
+ struct synaptics_mt_state mt_state;
+
+ /* Initialize using current mt_state (as updated by last agm) */
+ mt_state = agm->mt_state;
+
+ /*
+ * Update mt_state using the new finger count and current mt_state.
+ */
+ if (sgm->z == 0)
+ synaptics_image_sensor_0f(priv, &mt_state);
+ else if (sgm->w >= 4)
+ synaptics_image_sensor_1f(priv, &mt_state);
+ else if (sgm->w == 0)
+ synaptics_image_sensor_2f(priv, &mt_state);
+ else if (sgm->w == 1 && mt_state.count <= 3)
+ synaptics_image_sensor_3f(priv, &mt_state);
+ else
+ synaptics_image_sensor_45f(priv, &mt_state);
+
+ /* Send resulting input events to user space */
+ synaptics_report_mt_data(psmouse, &mt_state, sgm);
+
+ /* Store updated mt_state */
+ priv->mt_state = agm->mt_state = mt_state;
+ priv->agm_pending = false;
+}
+
/*
* called for each full received packet from the touchpad
*/
@@ -536,11 +965,15 @@ static void synaptics_process_packet(struct psmouse *psmouse)
struct synaptics_hw_state hw;
int num_fingers;
int finger_width;
- int i;
if (synaptics_parse_hw_state(psmouse->packet, priv, &hw))
return;
+ if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) {
+ synaptics_image_sensor_process(psmouse, &hw);
+ return;
+ }
+
if (hw.scroll) {
priv->scroll += hw.scroll;
@@ -586,7 +1019,8 @@ static void synaptics_process_packet(struct psmouse *psmouse)
}
if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
- synaptics_report_semi_mt_data(dev, &hw, &priv->mt, num_fingers);
+ synaptics_report_semi_mt_data(dev, &hw, &priv->agm,
+ num_fingers);
/* Post events
* BTN_TOUCH has to be first as mousedev relies on it when doing
@@ -597,7 +1031,7 @@ static void synaptics_process_packet(struct psmouse *psmouse)
if (num_fingers > 0) {
input_report_abs(dev, ABS_X, hw.x);
- input_report_abs(dev, ABS_Y, YMAX_NOMINAL + YMIN_NOMINAL - hw.y);
+ input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y));
}
input_report_abs(dev, ABS_PRESSURE, hw.z);
@@ -605,24 +1039,12 @@ static void synaptics_process_packet(struct psmouse *psmouse)
input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1);
- input_report_key(dev, BTN_LEFT, hw.left);
- input_report_key(dev, BTN_RIGHT, hw.right);
-
if (SYN_CAP_MULTIFINGER(priv->capabilities)) {
input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3);
}
- if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
- input_report_key(dev, BTN_MIDDLE, hw.middle);
-
- if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) {
- input_report_key(dev, BTN_FORWARD, hw.up);
- input_report_key(dev, BTN_BACK, hw.down);
- }
-
- for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
- input_report_key(dev, BTN_0 + i, hw.ext_buttons & (1 << i));
+ synaptics_report_buttons(psmouse, &hw);
input_sync(dev);
}
@@ -694,39 +1116,49 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
/*****************************************************************************
* Driver initialization/cleanup functions
****************************************************************************/
-static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
+static void set_abs_position_params(struct input_dev *dev,
+ struct synaptics_data *priv, int x_code,
+ int y_code)
{
- int i;
+ int x_min = priv->x_min ?: XMIN_NOMINAL;
+ int x_max = priv->x_max ?: XMAX_NOMINAL;
+ int y_min = priv->y_min ?: YMIN_NOMINAL;
+ int y_max = priv->y_max ?: YMAX_NOMINAL;
int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ?
SYN_REDUCED_FILTER_FUZZ : 0;
+ input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0);
+ input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0);
+ input_abs_set_res(dev, x_code, priv->x_res);
+ input_abs_set_res(dev, y_code, priv->y_res);
+}
+
+static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
+{
+ int i;
+
__set_bit(INPUT_PROP_POINTER, dev->propbit);
__set_bit(EV_ABS, dev->evbit);
- input_set_abs_params(dev, ABS_X,
- priv->x_min ?: XMIN_NOMINAL,
- priv->x_max ?: XMAX_NOMINAL,
- fuzz, 0);
- input_set_abs_params(dev, ABS_Y,
- priv->y_min ?: YMIN_NOMINAL,
- priv->y_max ?: YMAX_NOMINAL,
- fuzz, 0);
+ set_abs_position_params(dev, priv, ABS_X, ABS_Y);
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
- if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) {
+ if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) {
+ input_mt_init_slots(dev, 2);
+ set_abs_position_params(dev, priv, ABS_MT_POSITION_X,
+ ABS_MT_POSITION_Y);
+ /* Image sensors can report per-contact pressure */
+ input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
+
+ /* Image sensors can signal 4 and 5 finger clicks */
+ __set_bit(BTN_TOOL_QUADTAP, dev->keybit);
+ __set_bit(BTN_TOOL_QUINTTAP, dev->keybit);
+ } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) {
+ /* Non-image sensors with AGM use semi-mt */
__set_bit(INPUT_PROP_SEMI_MT, dev->propbit);
input_mt_init_slots(dev, 2);
- input_set_abs_params(dev, ABS_MT_POSITION_X,
- priv->x_min ?: XMIN_NOMINAL,
- priv->x_max ?: XMAX_NOMINAL,
- fuzz, 0);
- input_set_abs_params(dev, ABS_MT_POSITION_Y,
- priv->y_min ?: YMIN_NOMINAL,
- priv->y_max ?: YMAX_NOMINAL,
- fuzz, 0);
-
- input_abs_set_res(dev, ABS_MT_POSITION_X, priv->x_res);
- input_abs_set_res(dev, ABS_MT_POSITION_Y, priv->y_res);
+ set_abs_position_params(dev, priv, ABS_MT_POSITION_X,
+ ABS_MT_POSITION_Y);
}
if (SYN_CAP_PALMDETECT(priv->capabilities))
@@ -759,9 +1191,6 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
__clear_bit(REL_X, dev->relbit);
__clear_bit(REL_Y, dev->relbit);
- input_abs_set_res(dev, ABS_X, priv->x_res);
- input_abs_set_res(dev, ABS_Y, priv->y_res);
-
if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
/* Clickpads report only left button */
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index ca040aa80fa..622aea8dd7e 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -74,6 +74,8 @@
* 2 0x04 reduced filtering firmware does less filtering on
* position data, driver should watch
* for noise.
+ * 2 0x08 image sensor image sensor tracks 5 fingers, but only
+ * reports 2.
* 2 0x20 report min query 0x0f gives min coord reported
*/
#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */
@@ -82,6 +84,7 @@
#define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & 0x002000)
#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000)
#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400)
+#define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & 0x000800)
/* synaptics modes query bits */
#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
@@ -112,9 +115,18 @@
#define SYN_REDUCED_FILTER_FUZZ 8
/*
- * A structure to describe the state of the touchpad hardware (buttons and pad)
+ * A structure to describe which internal touchpad finger slots are being
+ * reported in raw packets.
*/
+struct synaptics_mt_state {
+ int count; /* num fingers being tracked */
+ int sgm; /* which slot is reported by sgm pkt */
+ int agm; /* which slot is reported by agm pkt*/
+};
+/*
+ * A structure to describe the state of the touchpad hardware (buttons and pad)
+ */
struct synaptics_hw_state {
int x;
int y;
@@ -127,6 +139,9 @@ struct synaptics_hw_state {
unsigned int down:1;
unsigned char ext_buttons;
signed char scroll;
+
+ /* As reported in last AGM-CONTACT packets */
+ struct synaptics_mt_state mt_state;
};
struct synaptics_data {
@@ -146,7 +161,15 @@ struct synaptics_data {
struct serio *pt_port; /* Pass-through serio port */
- struct synaptics_hw_state mt; /* current gesture packet */
+ struct synaptics_mt_state mt_state; /* Current mt finger state */
+ bool mt_state_lost; /* mt_state may be incorrect */
+
+ /*
+ * Last received Advanced Gesture Mode (AGM) packet. An AGM packet
+ * contains position data for a second contact, at half resolution.
+ */
+ struct synaptics_hw_state agm;
+ bool agm_pending; /* new AGM packet received */
};
void synaptics_module_init(void);
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index fadc11545b1..0acca68cc52 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -66,7 +66,6 @@ struct ts_event {
struct tsc2007 {
struct input_dev *input;
char phys[32];
- struct delayed_work work;
struct i2c_client *client;
@@ -76,9 +75,11 @@ struct tsc2007 {
unsigned long poll_delay;
unsigned long poll_period;
- bool pendown;
int irq;
+ wait_queue_head_t wait;
+ bool stopped;
+
int (*get_pendown_state)(void);
void (*clear_penirq)(void);
};
@@ -141,25 +142,8 @@ static u32 tsc2007_calculate_pressure(struct tsc2007 *tsc, struct ts_event *tc)
return rt;
}
-static void tsc2007_send_up_event(struct tsc2007 *tsc)
+static bool tsc2007_is_pen_down(struct tsc2007 *ts)
{
- struct input_dev *input = tsc->input;
-
- dev_dbg(&tsc->client->dev, "UP\n");
-
- input_report_key(input, BTN_TOUCH, 0);
- input_report_abs(input, ABS_PRESSURE, 0);
- input_sync(input);
-}
-
-static void tsc2007_work(struct work_struct *work)
-{
- struct tsc2007 *ts =
- container_of(to_delayed_work(work), struct tsc2007, work);
- bool debounced = false;
- struct ts_event tc;
- u32 rt;
-
/*
* NOTE: We can't rely on the pressure to determine the pen down
* state, even though this controller has a pressure sensor.
@@ -170,79 +154,82 @@ static void tsc2007_work(struct work_struct *work)
* The only safe way to check for the pen up condition is in the
* work function by reading the pen signal state (it's a GPIO
* and IRQ). Unfortunately such callback is not always available,
- * in that case we have rely on the pressure anyway.
+ * in that case we assume that the pen is down and expect caller
+ * to fall back on the pressure reading.
*/
- if (ts->get_pendown_state) {
- if (unlikely(!ts->get_pendown_state())) {
- tsc2007_send_up_event(ts);
- ts->pendown = false;
- goto out;
- }
- dev_dbg(&ts->client->dev, "pen is still down\n");
- }
+ if (!ts->get_pendown_state)
+ return true;
- tsc2007_read_values(ts, &tc);
+ return ts->get_pendown_state();
+}
- rt = tsc2007_calculate_pressure(ts, &tc);
- if (rt > ts->max_rt) {
- /*
- * Sample found inconsistent by debouncing or pressure is
- * beyond the maximum. Don't report it to user space,
- * repeat at least once more the measurement.
- */
- dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt);
- debounced = true;
- goto out;
+static irqreturn_t tsc2007_soft_irq(int irq, void *handle)
+{
+ struct tsc2007 *ts = handle;
+ struct input_dev *input = ts->input;
+ struct ts_event tc;
+ u32 rt;
- }
+ while (!ts->stopped && tsc2007_is_pen_down(ts)) {
+
+ /* pen is down, continue with the measurement */
+ tsc2007_read_values(ts, &tc);
+
+ rt = tsc2007_calculate_pressure(ts, &tc);
- if (rt) {
- struct input_dev *input = ts->input;
+ if (rt == 0 && !ts->get_pendown_state) {
+ /*
+ * If pressure reported is 0 and we don't have
+ * callback to check pendown state, we have to
+ * assume that pen was lifted up.
+ */
+ break;
+ }
- if (!ts->pendown) {
- dev_dbg(&ts->client->dev, "DOWN\n");
+ if (rt <= ts->max_rt) {
+ dev_dbg(&ts->client->dev,
+ "DOWN point(%4d,%4d), pressure (%4u)\n",
+ tc.x, tc.y, rt);
input_report_key(input, BTN_TOUCH, 1);
- ts->pendown = true;
+ input_report_abs(input, ABS_X, tc.x);
+ input_report_abs(input, ABS_Y, tc.y);
+ input_report_abs(input, ABS_PRESSURE, rt);
+
+ input_sync(input);
+
+ } else {
+ /*
+ * Sample found inconsistent by debouncing or pressure is
+ * beyond the maximum. Don't report it to user space,
+ * repeat at least once more the measurement.
+ */
+ dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt);
}
- input_report_abs(input, ABS_X, tc.x);
- input_report_abs(input, ABS_Y, tc.y);
- input_report_abs(input, ABS_PRESSURE, rt);
+ wait_event_timeout(ts->wait, ts->stopped,
+ msecs_to_jiffies(ts->poll_period));
+ }
- input_sync(input);
+ dev_dbg(&ts->client->dev, "UP\n");
- dev_dbg(&ts->client->dev, "point(%4d,%4d), pressure (%4u)\n",
- tc.x, tc.y, rt);
+ input_report_key(input, BTN_TOUCH, 0);
+ input_report_abs(input, ABS_PRESSURE, 0);
+ input_sync(input);
- } else if (!ts->get_pendown_state && ts->pendown) {
- /*
- * We don't have callback to check pendown state, so we
- * have to assume that since pressure reported is 0 the
- * pen was lifted up.
- */
- tsc2007_send_up_event(ts);
- ts->pendown = false;
- }
+ if (ts->clear_penirq)
+ ts->clear_penirq();
- out:
- if (ts->pendown || debounced)
- schedule_delayed_work(&ts->work,
- msecs_to_jiffies(ts->poll_period));
- else
- enable_irq(ts->irq);
+ return IRQ_HANDLED;
}
-static irqreturn_t tsc2007_irq(int irq, void *handle)
+static irqreturn_t tsc2007_hard_irq(int irq, void *handle)
{
struct tsc2007 *ts = handle;
- if (!ts->get_pendown_state || likely(ts->get_pendown_state())) {
- disable_irq_nosync(ts->irq);
- schedule_delayed_work(&ts->work,
- msecs_to_jiffies(ts->poll_delay));
- }
+ if (!ts->get_pendown_state || likely(ts->get_pendown_state()))
+ return IRQ_WAKE_THREAD;
if (ts->clear_penirq)
ts->clear_penirq();
@@ -250,17 +237,40 @@ static irqreturn_t tsc2007_irq(int irq, void *handle)
return IRQ_HANDLED;
}
-static void tsc2007_free_irq(struct tsc2007 *ts)
+static void tsc2007_stop(struct tsc2007 *ts)
{
- free_irq(ts->irq, ts);
- if (cancel_delayed_work_sync(&ts->work)) {
- /*
- * Work was pending, therefore we need to enable
- * IRQ here to balance the disable_irq() done in the
- * interrupt handler.
- */
- enable_irq(ts->irq);
+ ts->stopped = true;
+ mb();
+ wake_up(&ts->wait);
+
+ disable_irq(ts->irq);
+}
+
+static int tsc2007_open(struct input_dev *input_dev)
+{
+ struct tsc2007 *ts = input_get_drvdata(input_dev);
+ int err;
+
+ ts->stopped = false;
+ mb();
+
+ enable_irq(ts->irq);
+
+ /* Prepare for touch readings - power down ADC and enable PENIRQ */
+ err = tsc2007_xfer(ts, PWRDOWN);
+ if (err < 0) {
+ tsc2007_stop(ts);
+ return err;
}
+
+ return 0;
+}
+
+static void tsc2007_close(struct input_dev *input_dev)
+{
+ struct tsc2007 *ts = input_get_drvdata(input_dev);
+
+ tsc2007_stop(ts);
}
static int __devinit tsc2007_probe(struct i2c_client *client,
@@ -290,7 +300,7 @@ static int __devinit tsc2007_probe(struct i2c_client *client,
ts->client = client;
ts->irq = client->irq;
ts->input = input_dev;
- INIT_DELAYED_WORK(&ts->work, tsc2007_work);
+ init_waitqueue_head(&ts->wait);
ts->model = pdata->model;
ts->x_plate_ohms = pdata->x_plate_ohms;
@@ -307,6 +317,11 @@ static int __devinit tsc2007_probe(struct i2c_client *client,
input_dev->phys = ts->phys;
input_dev->id.bustype = BUS_I2C;
+ input_dev->open = tsc2007_open;
+ input_dev->close = tsc2007_close;
+
+ input_set_drvdata(input_dev, ts);
+
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
@@ -318,17 +333,14 @@ static int __devinit tsc2007_probe(struct i2c_client *client,
if (pdata->init_platform_hw)
pdata->init_platform_hw();
- err = request_irq(ts->irq, tsc2007_irq, 0,
- client->dev.driver->name, ts);
+ err = request_threaded_irq(ts->irq, tsc2007_hard_irq, tsc2007_soft_irq,
+ IRQF_ONESHOT, client->dev.driver->name, ts);
if (err < 0) {
dev_err(&client->dev, "irq %d busy?\n", ts->irq);
goto err_free_mem;
}
- /* Prepare for touch readings - power down ADC and enable PENIRQ */
- err = tsc2007_xfer(ts, PWRDOWN);
- if (err < 0)
- goto err_free_irq;
+ tsc2007_stop(ts);
err = input_register_device(input_dev);
if (err)
@@ -339,7 +351,7 @@ static int __devinit tsc2007_probe(struct i2c_client *client,
return 0;
err_free_irq:
- tsc2007_free_irq(ts);
+ free_irq(ts->irq, ts);
if (pdata->exit_platform_hw)
pdata->exit_platform_hw();
err_free_mem:
@@ -353,7 +365,7 @@ static int __devexit tsc2007_remove(struct i2c_client *client)
struct tsc2007 *ts = i2c_get_clientdata(client);
struct tsc2007_platform_data *pdata = client->dev.platform_data;
- tsc2007_free_irq(ts);
+ free_irq(ts->irq, ts);
if (pdata->exit_platform_hw)
pdata->exit_platform_hw();
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index c14412ef464..1f42d91f755 100644
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -367,6 +367,20 @@ static int w8001_command(struct w8001 *w8001, unsigned char command,
return rc;
}
+static int w8001_open(struct input_dev *dev)
+{
+ struct w8001 *w8001 = input_get_drvdata(dev);
+
+ return w8001_command(w8001, W8001_CMD_START, false);
+}
+
+static void w8001_close(struct input_dev *dev)
+{
+ struct w8001 *w8001 = input_get_drvdata(dev);
+
+ w8001_command(w8001, W8001_CMD_STOP, false);
+}
+
static int w8001_setup(struct w8001 *w8001)
{
struct input_dev *dev = w8001->dev;
@@ -474,7 +488,7 @@ static int w8001_setup(struct w8001 *w8001)
strlcat(w8001->name, " Touchscreen", sizeof(w8001->name));
- return w8001_command(w8001, W8001_CMD_START, false);
+ return 0;
}
/*
@@ -485,12 +499,12 @@ static void w8001_disconnect(struct serio *serio)
{
struct w8001 *w8001 = serio_get_drvdata(serio);
- input_get_device(w8001->dev);
- input_unregister_device(w8001->dev);
serio_close(serio);
- serio_set_drvdata(serio, NULL);
- input_put_device(w8001->dev);
+
+ input_unregister_device(w8001->dev);
kfree(w8001);
+
+ serio_set_drvdata(serio, NULL);
}
/*
@@ -534,6 +548,11 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv)
input_dev->id.version = 0x0100;
input_dev->dev.parent = &serio->dev;
+ input_dev->open = w8001_open;
+ input_dev->close = w8001_close;
+
+ input_set_drvdata(input_dev, w8001);
+
err = input_register_device(w8001->dev);
if (err)
goto fail3;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 09:53:58 +0000