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-rw-r--r--drivers/input/misc/88pm860x_onkey.c1
-rw-r--r--drivers/input/misc/Kconfig50
-rw-r--r--drivers/input/misc/Makefile5
-rw-r--r--drivers/input/misc/ad714x-i2c.c140
-rw-r--r--drivers/input/misc/ad714x-spi.c103
-rw-r--r--drivers/input/misc/ad714x.c1347
-rw-r--r--drivers/input/misc/ad714x.h26
-rw-r--r--drivers/input/misc/ati_remote.c12
-rw-r--r--drivers/input/misc/ati_remote2.c4
-rw-r--r--drivers/input/misc/cm109.c28
-rw-r--r--drivers/input/misc/hp_sdc_rtc.c34
-rw-r--r--drivers/input/misc/keyspan_remote.c6
-rw-r--r--drivers/input/misc/max8925_onkey.c148
-rw-r--r--drivers/input/misc/pcf8574_keypad.c227
-rw-r--r--drivers/input/misc/pcspkr.c6
-rw-r--r--drivers/input/misc/powermate.c17
-rw-r--r--drivers/input/misc/sparcspkr.c14
-rw-r--r--drivers/input/misc/twl4030-vibra.c2
-rw-r--r--drivers/input/misc/uinput.c4
-rw-r--r--drivers/input/misc/wistron_btns.c4
-rw-r--r--drivers/input/misc/yealink.c25
21 files changed, 2125 insertions, 78 deletions
diff --git a/drivers/input/misc/88pm860x_onkey.c b/drivers/input/misc/88pm860x_onkey.c
index 40dabd8487b5..4cc82826ea6b 100644
--- a/drivers/input/misc/88pm860x_onkey.c
+++ b/drivers/input/misc/88pm860x_onkey.c
@@ -87,7 +87,6 @@ static int __devinit pm860x_onkey_probe(struct platform_device *pdev)
info->idev->phys = "88pm860x_on/input0";
info->idev->id.bustype = BUS_I2C;
info->idev->dev.parent = &pdev->dev;
- info->irq = irq;
info->idev->evbit[0] = BIT_MASK(EV_KEY);
info->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23140a3bb8e0..c44b9eafc556 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -22,6 +22,36 @@ config INPUT_88PM860X_ONKEY
To compile this driver as a module, choose M here: the module
will be called 88pm860x_onkey.
+config INPUT_AD714X
+ tristate "Analog Devices AD714x Capacitance Touch Sensor"
+ help
+ Say Y here if you want to support an AD7142/3/7/8/7A touch sensor.
+
+ You should select a bus connection too.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad714x.
+
+config INPUT_AD714X_I2C
+ tristate "support I2C bus connection"
+ depends on INPUT_AD714X && I2C
+ default y
+ help
+ Say Y here if you have AD7142/AD7147 hooked to an I2C bus.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad714x-i2c.
+
+config INPUT_AD714X_SPI
+ tristate "support SPI bus connection"
+ depends on INPUT_AD714X && SPI
+ default y
+ help
+ Say Y here if you have AD7142/AD7147 hooked to a SPI bus.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad714x-spi.
+
config INPUT_PCSPKR
tristate "PC Speaker support"
depends on PCSPKR_PLATFORM
@@ -50,6 +80,16 @@ config INPUT_M68K_BEEP
tristate "M68k Beeper support"
depends on M68K
+config INPUT_MAX8925_ONKEY
+ tristate "MAX8925 ONKEY support"
+ depends on MFD_MAX8925
+ help
+ Support the ONKEY of MAX8925 PMICs as an input device
+ reporting power button status.
+
+ To compile this driver as a module, choose M here: the module
+ will be called max8925_onkey.
+
config INPUT_APANEL
tristate "Fujitsu Lifebook Application Panel buttons"
depends on X86 && I2C && LEDS_CLASS
@@ -277,6 +317,16 @@ config INPUT_PCF50633_PMU
Say Y to include support for delivering PMU events via input
layer on NXP PCF50633.
+config INPUT_PCF8574
+ tristate "PCF8574 Keypad input device"
+ depends on I2C && EXPERIMENTAL
+ help
+ Say Y here if you want to support a keypad connetced via I2C
+ with a PCF8574.
+
+ To compile this driver as a module, choose M here: the
+ module will be called pcf8574_keypad.
+
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 7e95a5d474dc..71fe57d8023f 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -5,6 +5,9 @@
# Each configuration option enables a list of files.
obj-$(CONFIG_INPUT_88PM860X_ONKEY) += 88pm860x_onkey.o
+obj-$(CONFIG_INPUT_AD714X) += ad714x.o
+obj-$(CONFIG_INPUT_AD714X_I2C) += ad714x-i2c.o
+obj-$(CONFIG_INPUT_AD714X_SPI) += ad714x-spi.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
obj-$(CONFIG_INPUT_ATI_REMOTE) += ati_remote.o
obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o
@@ -17,8 +20,10 @@ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o
obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
+obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o
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-$(CONFIG_INPUT_POWERMATE) += powermate.o
obj-$(CONFIG_INPUT_RB532_BUTTON) += rb532_button.o
diff --git a/drivers/input/misc/ad714x-i2c.c b/drivers/input/misc/ad714x-i2c.c
new file mode 100644
index 000000000000..e9adbe49f6a4
--- /dev/null
+++ b/drivers/input/misc/ad714x-i2c.c
@@ -0,0 +1,140 @@
+/*
+ * AD714X CapTouch Programmable Controller driver (I2C bus)
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/input.h> /* BUS_I2C */
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include "ad714x.h"
+
+#ifdef CONFIG_PM
+static int ad714x_i2c_suspend(struct i2c_client *client, pm_message_t message)
+{
+ return ad714x_disable(i2c_get_clientdata(client));
+}
+
+static int ad714x_i2c_resume(struct i2c_client *client)
+{
+ return ad714x_enable(i2c_get_clientdata(client));
+}
+#else
+# define ad714x_i2c_suspend NULL
+# define ad714x_i2c_resume NULL
+#endif
+
+static int ad714x_i2c_write(struct device *dev, unsigned short reg,
+ unsigned short data)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int ret = 0;
+ u8 *_reg = (u8 *)&reg;
+ u8 *_data = (u8 *)&data;
+
+ u8 tx[4] = {
+ _reg[1],
+ _reg[0],
+ _data[1],
+ _data[0]
+ };
+
+ ret = i2c_master_send(client, tx, 4);
+ if (ret < 0)
+ dev_err(&client->dev, "I2C write error\n");
+
+ return ret;
+}
+
+static int ad714x_i2c_read(struct device *dev, unsigned short reg,
+ unsigned short *data)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int ret = 0;
+ u8 *_reg = (u8 *)&reg;
+ u8 *_data = (u8 *)data;
+
+ u8 tx[2] = {
+ _reg[1],
+ _reg[0]
+ };
+ u8 rx[2];
+
+ ret = i2c_master_send(client, tx, 2);
+ if (ret >= 0)
+ ret = i2c_master_recv(client, rx, 2);
+
+ if (unlikely(ret < 0)) {
+ dev_err(&client->dev, "I2C read error\n");
+ } else {
+ _data[0] = rx[1];
+ _data[1] = rx[0];
+ }
+
+ return ret;
+}
+
+static int __devinit ad714x_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct ad714x_chip *chip;
+
+ chip = ad714x_probe(&client->dev, BUS_I2C, client->irq,
+ ad714x_i2c_read, ad714x_i2c_write);
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+
+ i2c_set_clientdata(client, chip);
+
+ return 0;
+}
+
+static int __devexit ad714x_i2c_remove(struct i2c_client *client)
+{
+ struct ad714x_chip *chip = i2c_get_clientdata(client);
+
+ ad714x_remove(chip);
+ i2c_set_clientdata(client, NULL);
+
+ return 0;
+}
+
+static const struct i2c_device_id ad714x_id[] = {
+ { "ad7142_captouch", 0 },
+ { "ad7143_captouch", 0 },
+ { "ad7147_captouch", 0 },
+ { "ad7147a_captouch", 0 },
+ { "ad7148_captouch", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ad714x_id);
+
+static struct i2c_driver ad714x_i2c_driver = {
+ .driver = {
+ .name = "ad714x_captouch",
+ },
+ .probe = ad714x_i2c_probe,
+ .remove = __devexit_p(ad714x_i2c_remove),
+ .suspend = ad714x_i2c_suspend,
+ .resume = ad714x_i2c_resume,
+ .id_table = ad714x_id,
+};
+
+static __init int ad714x_i2c_init(void)
+{
+ return i2c_add_driver(&ad714x_i2c_driver);
+}
+module_init(ad714x_i2c_init);
+
+static __exit void ad714x_i2c_exit(void)
+{
+ i2c_del_driver(&ad714x_i2c_driver);
+}
+module_exit(ad714x_i2c_exit);
+
+MODULE_DESCRIPTION("Analog Devices AD714X Capacitance Touch Sensor I2C Bus Driver");
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/ad714x-spi.c b/drivers/input/misc/ad714x-spi.c
new file mode 100644
index 000000000000..7f8dedfd1bfe
--- /dev/null
+++ b/drivers/input/misc/ad714x-spi.c
@@ -0,0 +1,103 @@
+/*
+ * AD714X CapTouch Programmable Controller driver (SPI bus)
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/input.h> /* BUS_I2C */
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+#include "ad714x.h"
+
+#define AD714x_SPI_CMD_PREFIX 0xE000 /* bits 15:11 */
+#define AD714x_SPI_READ BIT(10)
+
+#ifdef CONFIG_PM
+static int ad714x_spi_suspend(struct spi_device *spi, pm_message_t message)
+{
+ return ad714x_disable(spi_get_drvdata(spi));
+}
+
+static int ad714x_spi_resume(struct spi_device *spi)
+{
+ return ad714x_enable(spi_get_drvdata(spi));
+}
+#else
+# define ad714x_spi_suspend NULL
+# define ad714x_spi_resume NULL
+#endif
+
+static int ad714x_spi_read(struct device *dev, unsigned short reg,
+ unsigned short *data)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ unsigned short tx = AD714x_SPI_CMD_PREFIX | AD714x_SPI_READ | reg;
+
+ return spi_write_then_read(spi, (u8 *)&tx, 2, (u8 *)data, 2);
+}
+
+static int ad714x_spi_write(struct device *dev, unsigned short reg,
+ unsigned short data)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ unsigned short tx[2] = {
+ AD714x_SPI_CMD_PREFIX | reg,
+ data
+ };
+
+ return spi_write(spi, (u8 *)tx, 4);
+}
+
+static int __devinit ad714x_spi_probe(struct spi_device *spi)
+{
+ struct ad714x_chip *chip;
+
+ chip = ad714x_probe(&spi->dev, BUS_SPI, spi->irq,
+ ad714x_spi_read, ad714x_spi_write);
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+
+ spi_set_drvdata(spi, chip);
+
+ return 0;
+}
+
+static int __devexit ad714x_spi_remove(struct spi_device *spi)
+{
+ struct ad714x_chip *chip = spi_get_drvdata(spi);
+
+ ad714x_remove(chip);
+ spi_set_drvdata(spi, NULL);
+
+ return 0;
+}
+
+static struct spi_driver ad714x_spi_driver = {
+ .driver = {
+ .name = "ad714x_captouch",
+ .owner = THIS_MODULE,
+ },
+ .probe = ad714x_spi_probe,
+ .remove = __devexit_p(ad714x_spi_remove),
+ .suspend = ad714x_spi_suspend,
+ .resume = ad714x_spi_resume,
+};
+
+static __init int ad714x_spi_init(void)
+{
+ return spi_register_driver(&ad714x_spi_driver);
+}
+module_init(ad714x_spi_init);
+
+static __exit void ad714x_spi_exit(void)
+{
+ spi_unregister_driver(&ad714x_spi_driver);
+}
+module_exit(ad714x_spi_exit);
+
+MODULE_DESCRIPTION("Analog Devices AD714X Capacitance Touch Sensor SPI Bus Driver");
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/ad714x.c b/drivers/input/misc/ad714x.c
new file mode 100644
index 000000000000..0fe27baf5e72
--- /dev/null
+++ b/drivers/input/misc/ad714x.c
@@ -0,0 +1,1347 @@
+/*
+ * AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/input/ad714x.h>
+#include "ad714x.h"
+
+#define AD714X_PWR_CTRL 0x0
+#define AD714X_STG_CAL_EN_REG 0x1
+#define AD714X_AMB_COMP_CTRL0_REG 0x2
+#define AD714X_PARTID_REG 0x17
+#define AD7142_PARTID 0xE620
+#define AD7143_PARTID 0xE630
+#define AD7147_PARTID 0x1470
+#define AD7148_PARTID 0x1480
+#define AD714X_STAGECFG_REG 0x80
+#define AD714X_SYSCFG_REG 0x0
+
+#define STG_LOW_INT_EN_REG 0x5
+#define STG_HIGH_INT_EN_REG 0x6
+#define STG_COM_INT_EN_REG 0x7
+#define STG_LOW_INT_STA_REG 0x8
+#define STG_HIGH_INT_STA_REG 0x9
+#define STG_COM_INT_STA_REG 0xA
+
+#define CDC_RESULT_S0 0xB
+#define CDC_RESULT_S1 0xC
+#define CDC_RESULT_S2 0xD
+#define CDC_RESULT_S3 0xE
+#define CDC_RESULT_S4 0xF
+#define CDC_RESULT_S5 0x10
+#define CDC_RESULT_S6 0x11
+#define CDC_RESULT_S7 0x12
+#define CDC_RESULT_S8 0x13
+#define CDC_RESULT_S9 0x14
+#define CDC_RESULT_S10 0x15
+#define CDC_RESULT_S11 0x16
+
+#define STAGE0_AMBIENT 0xF1
+#define STAGE1_AMBIENT 0x115
+#define STAGE2_AMBIENT 0x139
+#define STAGE3_AMBIENT 0x15D
+#define STAGE4_AMBIENT 0x181
+#define STAGE5_AMBIENT 0x1A5
+#define STAGE6_AMBIENT 0x1C9
+#define STAGE7_AMBIENT 0x1ED
+#define STAGE8_AMBIENT 0x211
+#define STAGE9_AMBIENT 0x234
+#define STAGE10_AMBIENT 0x259
+#define STAGE11_AMBIENT 0x27D
+
+#define PER_STAGE_REG_NUM 36
+#define STAGE_NUM 12
+#define STAGE_CFGREG_NUM 8
+#define SYS_CFGREG_NUM 8
+
+/*
+ * driver information which will be used to maintain the software flow
+ */
+enum ad714x_device_state { IDLE, JITTER, ACTIVE, SPACE };
+
+struct ad714x_slider_drv {
+ int highest_stage;
+ int abs_pos;
+ int flt_pos;
+ enum ad714x_device_state state;
+ struct input_dev *input;
+};
+
+struct ad714x_wheel_drv {
+ int abs_pos;
+ int flt_pos;
+ int pre_mean_value;
+ int pre_highest_stage;
+ int pre_mean_value_no_offset;
+ int mean_value;
+ int mean_value_no_offset;
+ int pos_offset;
+ int pos_ratio;
+ int highest_stage;
+ enum ad714x_device_state state;
+ struct input_dev *input;
+};
+
+struct ad714x_touchpad_drv {
+ int x_highest_stage;
+ int x_flt_pos;
+ int x_abs_pos;
+ int y_highest_stage;
+ int y_flt_pos;
+ int y_abs_pos;
+ int left_ep;
+ int left_ep_val;
+ int right_ep;
+ int right_ep_val;
+ int top_ep;
+ int top_ep_val;
+ int bottom_ep;
+ int bottom_ep_val;
+ enum ad714x_device_state state;
+ struct input_dev *input;
+};
+
+struct ad714x_button_drv {
+ enum ad714x_device_state state;
+ /*
+ * Unlike slider/wheel/touchpad, all buttons point to
+ * same input_dev instance
+ */
+ struct input_dev *input;
+};
+
+struct ad714x_driver_data {
+ struct ad714x_slider_drv *slider;
+ struct ad714x_wheel_drv *wheel;
+ struct ad714x_touchpad_drv *touchpad;
+ struct ad714x_button_drv *button;
+};
+
+/*
+ * information to integrate all things which will be private data
+ * of spi/i2c device
+ */
+struct ad714x_chip {
+ unsigned short h_state;
+ unsigned short l_state;
+ unsigned short c_state;
+ unsigned short adc_reg[STAGE_NUM];
+ unsigned short amb_reg[STAGE_NUM];
+ unsigned short sensor_val[STAGE_NUM];
+
+ struct ad714x_platform_data *hw;
+ struct ad714x_driver_data *sw;
+
+ int irq;
+ struct device *dev;
+ ad714x_read_t read;
+ ad714x_write_t write;
+
+ struct mutex mutex;
+
+ unsigned product;
+ unsigned version;
+};
+
+static void ad714x_use_com_int(struct ad714x_chip *ad714x,
+ int start_stage, int end_stage)
+{
+ unsigned short data;
+ unsigned short mask;
+
+ mask = ((1 << (end_stage + 1)) - 1) - (1 << start_stage);
+
+ ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
+ data |= 1 << start_stage;
+ ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
+
+ ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
+ data &= ~mask;
+ ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
+}
+
+static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
+ int start_stage, int end_stage)
+{
+ unsigned short data;
+ unsigned short mask;
+
+ mask = ((1 << (end_stage + 1)) - 1) - (1 << start_stage);
+
+ ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
+ data &= ~(1 << start_stage);
+ ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
+
+ ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
+ data |= mask;
+ ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
+}
+
+static int ad714x_cal_highest_stage(struct ad714x_chip *ad714x,
+ int start_stage, int end_stage)
+{
+ int max_res = 0;
+ int max_idx = 0;
+ int i;
+
+ for (i = start_stage; i <= end_stage; i++) {
+ if (ad714x->sensor_val[i] > max_res) {
+ max_res = ad714x->sensor_val[i];
+ max_idx = i;
+ }
+ }
+
+ return max_idx;
+}
+
+static int ad714x_cal_abs_pos(struct ad714x_chip *ad714x,
+ int start_stage, int end_stage,
+ int highest_stage, int max_coord)
+{
+ int a_param, b_param;
+
+ if (highest_stage == start_stage) {
+ a_param = ad714x->sensor_val[start_stage + 1];
+ b_param = ad714x->sensor_val[start_stage] +
+ ad714x->sensor_val[start_stage + 1];
+ } else if (highest_stage == end_stage) {
+ a_param = ad714x->sensor_val[end_stage] *
+ (end_stage - start_stage) +
+ ad714x->sensor_val[end_stage - 1] *
+ (end_stage - start_stage - 1);
+ b_param = ad714x->sensor_val[end_stage] +
+ ad714x->sensor_val[end_stage - 1];
+ } else {
+ a_param = ad714x->sensor_val[highest_stage] *
+ (highest_stage - start_stage) +
+ ad714x->sensor_val[highest_stage - 1] *
+ (highest_stage - start_stage - 1) +
+ ad714x->sensor_val[highest_stage + 1] *
+ (highest_stage - start_stage + 1);
+ b_param = ad714x->sensor_val[highest_stage] +
+ ad714x->sensor_val[highest_stage - 1] +
+ ad714x->sensor_val[highest_stage + 1];
+ }
+
+ return (max_coord / (end_stage - start_stage)) * a_param / b_param;
+}
+
+/*
+ * One button can connect to multi positive and negative of CDCs
+ * Multi-buttons can connect to same positive/negative of one CDC
+ */
+static void ad714x_button_state_machine(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_button_plat *hw = &ad714x->hw->button[idx];
+ struct ad714x_button_drv *sw = &ad714x->sw->button[idx];
+
+ switch (sw->state) {
+ case IDLE:
+ if (((ad714x->h_state & hw->h_mask) == hw->h_mask) &&
+ ((ad714x->l_state & hw->l_mask) == hw->l_mask)) {
+ dev_dbg(ad714x->dev, "button %d touched\n", idx);
+ input_report_key(sw->input, hw->keycode, 1);
+ input_sync(sw->input);
+ sw->state = ACTIVE;
+ }
+ break;
+
+ case ACTIVE:
+ if (((ad714x->h_state & hw->h_mask) != hw->h_mask) ||
+ ((ad714x->l_state & hw->l_mask) != hw->l_mask)) {
+ dev_dbg(ad714x->dev, "button %d released\n", idx);
+ input_report_key(sw->input, hw->keycode, 0);
+ input_sync(sw->input);
+ sw->state = IDLE;
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/*
+ * The response of a sensor is defined by the absolute number of codes
+ * between the current CDC value and the ambient value.
+ */
+static void ad714x_slider_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+ int i;
+
+ for (i = hw->start_stage; i <= hw->end_stage; i++) {
+ ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
+ &ad714x->adc_reg[i]);
+ ad714x->read(ad714x->dev,
+ STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+ &ad714x->amb_reg[i]);
+
+ ad714x->sensor_val[i] = abs(ad714x->adc_reg[i] -
+ ad714x->amb_reg[i]);
+ }
+}
+
+static void ad714x_slider_cal_highest_stage(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+ struct ad714x_slider_drv *sw = &ad714x->sw->slider[idx];
+
+ sw->highest_stage = ad714x_cal_highest_stage(ad714x, hw->start_stage,
+ hw->end_stage);
+
+ dev_dbg(ad714x->dev, "slider %d highest_stage:%d\n", idx,
+ sw->highest_stage);
+}
+
+/*
+ * The formulae are very straight forward. It uses the sensor with the
+ * highest response and the 2 adjacent ones.
+ * When Sensor 0 has the highest response, only sensor 0 and sensor 1
+ * are used in the calculations. Similarly when the last sensor has the
+ * highest response, only the last sensor and the second last sensors
+ * are used in the calculations.
+ *
+ * For i= idx_of_peak_Sensor-1 to i= idx_of_peak_Sensor+1
+ * v += Sensor response(i)*i
+ * w += Sensor response(i)
+ * POS=(Number_of_Positions_Wanted/(Number_of_Sensors_Used-1)) *(v/w)
+ */
+static void ad714x_slider_cal_abs_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+ struct ad714x_slider_drv *sw = &ad714x->sw->slider[idx];
+
+ sw->abs_pos = ad714x_cal_abs_pos(ad714x, hw->start_stage, hw->end_stage,
+ sw->highest_stage, hw->max_coord);
+
+ dev_dbg(ad714x->dev, "slider %d absolute position:%d\n", idx,
+ sw->abs_pos);
+}
+
+/*
+ * To minimise the Impact of the noise on the algorithm, ADI developed a
+ * routine that filters the CDC results after they have been read by the
+ * host processor.
+ * The filter used is an Infinite Input Response(IIR) filter implemented
+ * in firmware and attenuates the noise on the CDC results after they've
+ * been read by the host processor.
+ * Filtered_CDC_result = (Filtered_CDC_result * (10 - Coefficient) +
+ * Latest_CDC_result * Coefficient)/10
+ */
+static void ad714x_slider_cal_flt_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_drv *sw = &ad714x->sw->slider[idx];
+
+ sw->flt_pos = (sw->flt_pos * (10 - 4) +
+ sw->abs_pos * 4)/10;
+
+ dev_dbg(ad714x->dev, "slider %d filter position:%d\n", idx,
+ sw->flt_pos);
+}
+
+static void ad714x_slider_use_com_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+
+ ad714x_use_com_int(ad714x, hw->start_stage, hw->end_stage);
+}
+
+static void ad714x_slider_use_thr_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+
+ ad714x_use_thr_int(ad714x, hw->start_stage, hw->end_stage);
+}
+
+static void ad714x_slider_state_machine(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+ struct ad714x_slider_drv *sw = &ad714x->sw->slider[idx];
+ unsigned short h_state, c_state;
+ unsigned short mask;
+
+ mask = ((1 << (hw->end_stage + 1)) - 1) - ((1 << hw->start_stage) - 1);
+
+ h_state = ad714x->h_state & mask;
+ c_state = ad714x->c_state & mask;
+
+ switch (sw->state) {
+ case IDLE:
+ if (h_state) {
+ sw->state = JITTER;
+ /* In End of Conversion interrupt mode, the AD714X
+ * continuously generates hardware interrupts.
+ */
+ ad714x_slider_use_com_int(ad714x, idx);
+ dev_dbg(ad714x->dev, "slider %d touched\n", idx);
+ }
+ break;
+
+ case JITTER:
+ if (c_state == mask) {
+ ad714x_slider_cal_sensor_val(ad714x, idx);
+ ad714x_slider_cal_highest_stage(ad714x, idx);
+ ad714x_slider_cal_abs_pos(ad714x, idx);
+ sw->flt_pos = sw->abs_pos;
+ sw->state = ACTIVE;
+ }
+ break;
+
+ case ACTIVE:
+ if (c_state == mask) {
+ if (h_state) {
+ ad714x_slider_cal_sensor_val(ad714x, idx);
+ ad714x_slider_cal_highest_stage(ad714x, idx);
+ ad714x_slider_cal_abs_pos(ad714x, idx);
+ ad714x_slider_cal_flt_pos(ad714x, idx);
+
+ input_report_abs(sw->input, ABS_X, sw->flt_pos);
+ input_report_key(sw->input, BTN_TOUCH, 1);
+ } else {
+ /* When the user lifts off the sensor, configure
+ * the AD714X back to threshold interrupt mode.
+ */
+ ad714x_slider_use_thr_int(ad714x, idx);
+ sw->state = IDLE;
+ input_report_key(sw->input, BTN_TOUCH, 0);
+ dev_dbg(ad714x->dev, "slider %d released\n",
+ idx);
+ }
+ input_sync(sw->input);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/*
+ * When the scroll wheel is activated, we compute the absolute position based
+ * on the sensor values. To calculate the position, we first determine the
+ * sensor that has the greatest response among the 8 sensors that constitutes
+ * the scrollwheel. Then we determined the 2 sensors on either sides of the
+ * sensor with the highest response and we apply weights to these sensors.
+ */
+static void ad714x_wheel_cal_highest_stage(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ struct ad714x_wheel_drv *sw = &ad714x->sw->wheel[idx];
+
+ sw->pre_highest_stage = sw->highest_stage;
+ sw->highest_stage = ad714x_cal_highest_stage(ad714x, hw->start_stage,
+ hw->end_stage);
+
+ dev_dbg(ad714x->dev, "wheel %d highest_stage:%d\n", idx,
+ sw->highest_stage);
+}
+
+static void ad714x_wheel_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ int i;
+
+ for (i = hw->start_stage; i <= hw->end_stage; i++) {
+ ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
+ &ad714x->adc_reg[i]);
+ ad714x->read(ad714x->dev,
+ STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+ &ad714x->amb_reg[i]);
+ if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
+ ad714x->sensor_val[i] = ad714x->adc_reg[i] -
+ ad714x->amb_reg[i];
+ else
+ ad714x->sensor_val[i] = 0;
+ }
+}
+
+/*
+ * When the scroll wheel is activated, we compute the absolute position based
+ * on the sensor values. To calculate the position, we first determine the
+ * sensor that has the greatest response among the 8 sensors that constitutes
+ * the scrollwheel. Then we determined the 2 sensors on either sides of the
+ * sensor with the highest response and we apply weights to these sensors. The
+ * result of this computation gives us the mean value which defined by the
+ * following formula:
+ * For i= second_before_highest_stage to i= second_after_highest_stage
+ * v += Sensor response(i)*WEIGHT*(i+3)
+ * w += Sensor response(i)
+ * Mean_Value=v/w
+ * pos_on_scrollwheel = (Mean_Value - position_offset) / position_ratio
+ */
+
+#define WEIGHT_FACTOR 30
+/* This constant prevents the "PositionOffset" from reaching a big value */
+#define OFFSET_POSITION_CLAMP 120
+static void ad714x_wheel_cal_abs_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ struct ad714x_wheel_drv *sw = &ad714x->sw->wheel[idx];
+ int stage_num = hw->end_stage - hw->start_stage + 1;
+ int second_before, first_before, highest, first_after, second_after;
+ int a_param, b_param;
+
+ /* Calculate Mean value */
+
+ second_before = (sw->highest_stage + stage_num - 2) % stage_num;
+ first_before = (sw->highest_stage + stage_num - 1) % stage_num;
+ highest = sw->highest_stage;
+ first_after = (sw->highest_stage + stage_num + 1) % stage_num;
+ second_after = (sw->highest_stage + stage_num + 2) % stage_num;
+
+ if (((sw->highest_stage - hw->start_stage) > 1) &&
+ ((hw->end_stage - sw->highest_stage) > 1)) {
+ a_param = ad714x->sensor_val[second_before] *
+ (second_before - hw->start_stage + 3) +
+ ad714x->sensor_val[first_before] *
+ (second_before - hw->start_stage + 3) +
+ ad714x->sensor_val[highest] *
+ (second_before - hw->start_stage + 3) +
+ ad714x->sensor_val[first_after] *
+ (first_after - hw->start_stage + 3) +
+ ad714x->sensor_val[second_after] *
+ (second_after - hw->start_stage + 3);
+ } else {
+ a_param = ad714x->sensor_val[second_before] *
+ (second_before - hw->start_stage + 1) +
+ ad714x->sensor_val[first_before] *
+ (second_before - hw->start_stage + 2) +
+ ad714x->sensor_val[highest] *
+ (second_before - hw->start_stage + 3) +
+ ad714x->sensor_val[first_after] *
+ (first_after - hw->start_stage + 4) +
+ ad714x->sensor_val[second_after] *
+ (second_after - hw->start_stage + 5);
+ }
+ a_param *= WEIGHT_FACTOR;
+
+ b_param = ad714x->sensor_val[second_before] +
+ ad714x->sensor_val[first_before] +
+ ad714x->sensor_val[highest] +
+ ad714x->sensor_val[first_after] +
+ ad714x->sensor_val[second_after];
+
+ sw->pre_mean_value = sw->mean_value;
+ sw->mean_value = a_param / b_param;
+
+ /* Calculate the offset */
+
+ if ((sw->pre_highest_stage == hw->end_stage) &&
+ (sw->highest_stage == hw->start_stage))
+ sw->pos_offset = sw->mean_value;
+ else if ((sw->pre_highest_stage == hw->start_stage) &&
+ (sw->highest_stage == hw->end_stage))
+ sw->pos_offset = sw->pre_mean_value;
+
+ if (sw->pos_offset > OFFSET_POSITION_CLAMP)
+ sw->pos_offset = OFFSET_POSITION_CLAMP;
+
+ /* Calculate the mean value without the offset */
+
+ sw->pre_mean_value_no_offset = sw->mean_value_no_offset;
+ sw->mean_value_no_offset = sw->mean_value - sw->pos_offset;
+ if (sw->mean_value_no_offset < 0)
+ sw->mean_value_no_offset = 0;
+
+ /* Calculate ratio to scale down to NUMBER_OF_WANTED_POSITIONS */
+
+ if ((sw->pre_highest_stage == hw->end_stage) &&
+ (sw->highest_stage == hw->start_stage))
+ sw->pos_ratio = (sw->pre_mean_value_no_offset * 100) /
+ hw->max_coord;
+ else if ((sw->pre_highest_stage == hw->start_stage) &&
+ (sw->highest_stage == hw->end_stage))
+ sw->pos_ratio = (sw->mean_value_no_offset * 100) /
+ hw->max_coord;
+ sw->abs_pos = (sw->mean_value_no_offset * 100) / sw->pos_ratio;
+ if (sw->abs_pos > hw->max_coord)
+ sw->abs_pos = hw->max_coord;
+}
+
+static void ad714x_wheel_cal_flt_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ struct ad714x_wheel_drv *sw = &ad714x->sw->wheel[idx];
+ if (((sw->pre_highest_stage == hw->end_stage) &&
+ (sw->highest_stage == hw->start_stage)) ||
+ ((sw->pre_highest_stage == hw->start_stage) &&
+ (sw->highest_stage == hw->end_stage)))
+ sw->flt_pos = sw->abs_pos;
+ else
+ sw->flt_pos = ((sw->flt_pos * 30) + (sw->abs_pos * 71)) / 100;
+
+ if (sw->flt_pos > hw->max_coord)
+ sw->flt_pos = hw->max_coord;
+}
+
+static void ad714x_wheel_use_com_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+
+ ad714x_use_com_int(ad714x, hw->start_stage, hw->end_stage);
+}
+
+static void ad714x_wheel_use_thr_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+
+ ad714x_use_thr_int(ad714x, hw->start_stage, hw->end_stage);
+}
+
+static void ad714x_wheel_state_machine(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ struct ad714x_wheel_drv *sw = &ad714x->sw->wheel[idx];
+ unsigned short h_state, c_state;
+ unsigned short mask;
+
+ mask = ((1 << (hw->end_stage + 1)) - 1) - ((1 << hw->start_stage) - 1);
+
+ h_state = ad714x->h_state & mask;
+ c_state = ad714x->c_state & mask;
+
+ switch (sw->state) {
+ case IDLE:
+ if (h_state) {
+ sw->state = JITTER;
+ /* In End of Conversion interrupt mode, the AD714X
+ * continuously generates hardware interrupts.
+ */
+ ad714x_wheel_use_com_int(ad714x, idx);
+ dev_dbg(ad714x->dev, "wheel %d touched\n", idx);
+ }
+ break;
+
+ case JITTER:
+ if (c_state == mask) {
+ ad714x_wheel_cal_sensor_val(ad714x, idx);
+ ad714x_wheel_cal_highest_stage(ad714x, idx);
+ ad714x_wheel_cal_abs_pos(ad714x, idx);
+ sw->flt_pos = sw->abs_pos;
+ sw->state = ACTIVE;
+ }
+ break;
+
+ case ACTIVE:
+ if (c_state == mask) {
+ if (h_state) {
+ ad714x_wheel_cal_sensor_val(ad714x, idx);
+ ad714x_wheel_cal_highest_stage(ad714x, idx);
+ ad714x_wheel_cal_abs_pos(ad714x, idx);
+ ad714x_wheel_cal_flt_pos(ad714x, idx);
+
+ input_report_abs(sw->input, ABS_WHEEL,
+ sw->abs_pos);
+ input_report_key(sw->input, BTN_TOUCH, 1);
+ } else {
+ /* When the user lifts off the sensor, configure
+ * the AD714X back to threshold interrupt mode.
+ */
+ ad714x_wheel_use_thr_int(ad714x, idx);
+ sw->state = IDLE;
+ input_report_key(sw->input, BTN_TOUCH, 0);
+
+ dev_dbg(ad714x->dev, "wheel %d released\n",
+ idx);
+ }
+ input_sync(sw->input);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void touchpad_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ int i;
+
+ for (i = hw->x_start_stage; i <= hw->x_end_stage; i++) {
+ ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
+ &ad714x->adc_reg[i]);
+ ad714x->read(ad714x->dev,
+ STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+ &ad714x->amb_reg[i]);
+ if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
+ ad714x->sensor_val[i] = ad714x->adc_reg[i] -
+ ad714x->amb_reg[i];
+ else
+ ad714x->sensor_val[i] = 0;
+ }
+}
+
+static void touchpad_cal_highest_stage(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+
+ sw->x_highest_stage = ad714x_cal_highest_stage(ad714x,
+ hw->x_start_stage, hw->x_end_stage);
+ sw->y_highest_stage = ad714x_cal_highest_stage(ad714x,
+ hw->y_start_stage, hw->y_end_stage);
+
+ dev_dbg(ad714x->dev,
+ "touchpad %d x_highest_stage:%d, y_highest_stage:%d\n",
+ idx, sw->x_highest_stage, sw->y_highest_stage);
+}
+
+/*
+ * If 2 fingers are touching the sensor then 2 peaks can be observed in the
+ * distribution.
+ * The arithmetic doesn't support to get absolute coordinates for multi-touch
+ * yet.
+ */
+static int touchpad_check_second_peak(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+ int i;
+
+ for (i = hw->x_start_stage; i < sw->x_highest_stage; i++) {
+ if ((ad714x->sensor_val[i] - ad714x->sensor_val[i + 1])
+ > (ad714x->sensor_val[i + 1] / 10))
+ return 1;
+ }
+
+ for (i = sw->x_highest_stage; i < hw->x_end_stage; i++) {
+ if ((ad714x->sensor_val[i + 1] - ad714x->sensor_val[i])
+ > (ad714x->sensor_val[i] / 10))
+ return 1;
+ }
+
+ for (i = hw->y_start_stage; i < sw->y_highest_stage; i++) {
+ if ((ad714x->sensor_val[i] - ad714x->sensor_val[i + 1])
+ > (ad714x->sensor_val[i + 1] / 10))
+ return 1;
+ }
+
+ for (i = sw->y_highest_stage; i < hw->y_end_stage; i++) {
+ if ((ad714x->sensor_val[i + 1] - ad714x->sensor_val[i])
+ > (ad714x->sensor_val[i] / 10))
+ return 1;
+ }
+
+ return 0;
+}
+
+/*
+ * If only one finger is used to activate the touch pad then only 1 peak will be
+ * registered in the distribution. This peak and the 2 adjacent sensors will be
+ * used in the calculation of the absolute position. This will prevent hand
+ * shadows to affect the absolute position calculation.
+ */
+static void touchpad_cal_abs_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+
+ sw->x_abs_pos = ad714x_cal_abs_pos(ad714x, hw->x_start_stage,
+ hw->x_end_stage, sw->x_highest_stage, hw->x_max_coord);
+ sw->y_abs_pos = ad714x_cal_abs_pos(ad714x, hw->y_start_stage,
+ hw->y_end_stage, sw->y_highest_stage, hw->y_max_coord);
+
+ dev_dbg(ad714x->dev, "touchpad %d absolute position:(%d, %d)\n", idx,
+ sw->x_abs_pos, sw->y_abs_pos);
+}
+
+static void touchpad_cal_flt_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+
+ sw->x_flt_pos = (sw->x_flt_pos * (10 - 4) +
+ sw->x_abs_pos * 4)/10;
+ sw->y_flt_pos = (sw->y_flt_pos * (10 - 4) +
+ sw->y_abs_pos * 4)/10;
+
+ dev_dbg(ad714x->dev, "touchpad %d filter position:(%d, %d)\n",
+ idx, sw->x_flt_pos, sw->y_flt_pos);
+}
+
+/*
+ * To prevent distortion from showing in the absolute position, it is
+ * necessary to detect the end points. When endpoints are detected, the
+ * driver stops updating the status variables with absolute positions.
+ * End points are detected on the 4 edges of the touchpad sensor. The
+ * method to detect them is the same for all 4.
+ * To detect the end points, the firmware computes the difference in
+ * percent between the sensor on the edge and the adjacent one. The
+ * difference is calculated in percent in order to make the end point
+ * detection independent of the pressure.
+ */
+
+#define LEFT_END_POINT_DETECTION_LEVEL 550
+#define RIGHT_END_POINT_DETECTION_LEVEL 750
+#define LEFT_RIGHT_END_POINT_DEAVTIVALION_LEVEL 850
+#define TOP_END_POINT_DETECTION_LEVEL 550
+#define BOTTOM_END_POINT_DETECTION_LEVEL 950
+#define TOP_BOTTOM_END_POINT_DEAVTIVALION_LEVEL 700
+static int touchpad_check_endpoint(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+ int percent_sensor_diff;
+
+ /* left endpoint detect */
+ percent_sensor_diff = (ad714x->sensor_val[hw->x_start_stage] -
+ ad714x->sensor_val[hw->x_start_stage + 1]) * 100 /
+ ad714x->sensor_val[hw->x_start_stage + 1];
+ if (!sw->left_ep) {
+ if (percent_sensor_diff >= LEFT_END_POINT_DETECTION_LEVEL) {
+ sw->left_ep = 1;
+ sw->left_ep_val =
+ ad714x->sensor_val[hw->x_start_stage + 1];
+ }
+ } else {
+ if ((percent_sensor_diff < LEFT_END_POINT_DETECTION_LEVEL) &&
+ (ad714x->sensor_val[hw->x_start_stage + 1] >
+ LEFT_RIGHT_END_POINT_DEAVTIVALION_LEVEL + sw->left_ep_val))
+ sw->left_ep = 0;
+ }
+
+ /* right endpoint detect */
+ percent_sensor_diff = (ad714x->sensor_val[hw->x_end_stage] -
+ ad714x->sensor_val[hw->x_end_stage - 1]) * 100 /
+ ad714x->sensor_val[hw->x_end_stage - 1];
+ if (!sw->right_ep) {
+ if (percent_sensor_diff >= RIGHT_END_POINT_DETECTION_LEVEL) {
+ sw->right_ep = 1;
+ sw->right_ep_val =
+ ad714x->sensor_val[hw->x_end_stage - 1];
+ }
+ } else {
+ if ((percent_sensor_diff < RIGHT_END_POINT_DETECTION_LEVEL) &&
+ (ad714x->sensor_val[hw->x_end_stage - 1] >
+ LEFT_RIGHT_END_POINT_DEAVTIVALION_LEVEL + sw->right_ep_val))
+ sw->right_ep = 0;
+ }
+
+ /* top endpoint detect */
+ percent_sensor_diff = (ad714x->sensor_val[hw->y_start_stage] -
+ ad714x->sensor_val[hw->y_start_stage + 1]) * 100 /
+ ad714x->sensor_val[hw->y_start_stage + 1];
+ if (!sw->top_ep) {
+ if (percent_sensor_diff >= TOP_END_POINT_DETECTION_LEVEL) {
+ sw->top_ep = 1;
+ sw->top_ep_val =
+ ad714x->sensor_val[hw->y_start_stage + 1];
+ }
+ } else {
+ if ((percent_sensor_diff < TOP_END_POINT_DETECTION_LEVEL) &&
+ (ad714x->sensor_val[hw->y_start_stage + 1] >
+ TOP_BOTTOM_END_POINT_DEAVTIVALION_LEVEL + sw->top_ep_val))
+ sw->top_ep = 0;
+ }
+
+ /* bottom endpoint detect */
+ percent_sensor_diff = (ad714x->sensor_val[hw->y_end_stage] -
+ ad714x->sensor_val[hw->y_end_stage - 1]) * 100 /
+ ad714x->sensor_val[hw->y_end_stage - 1];
+ if (!sw->bottom_ep) {
+ if (percent_sensor_diff >= BOTTOM_END_POINT_DETECTION_LEVEL) {
+ sw->bottom_ep = 1;
+ sw->bottom_ep_val =
+ ad714x->sensor_val[hw->y_end_stage - 1];
+ }
+ } else {
+ if ((percent_sensor_diff < BOTTOM_END_POINT_DETECTION_LEVEL) &&
+ (ad714x->sensor_val[hw->y_end_stage - 1] >
+ TOP_BOTTOM_END_POINT_DEAVTIVALION_LEVEL + sw->bottom_ep_val))
+ sw->bottom_ep = 0;
+ }
+
+ return sw->left_ep || sw->right_ep || sw->top_ep || sw->bottom_ep;
+}
+
+static void touchpad_use_com_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+
+ ad714x_use_com_int(ad714x, hw->x_start_stage, hw->x_end_stage);
+}
+
+static void touchpad_use_thr_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+
+ ad714x_use_thr_int(ad714x, hw->x_start_stage, hw->x_end_stage);
+ ad714x_use_thr_int(ad714x, hw->y_start_stage, hw->y_end_stage);
+}
+
+static void ad714x_touchpad_state_machine(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+ unsigned short h_state, c_state;
+ unsigned short mask;
+
+ mask = (((1 << (hw->x_end_stage + 1)) - 1) -
+ ((1 << hw->x_start_stage) - 1)) +
+ (((1 << (hw->y_end_stage + 1)) - 1) -
+ ((1 << hw->y_start_stage) - 1));
+
+ h_state = ad714x->h_state & mask;
+ c_state = ad714x->c_state & mask;
+
+ switch (sw->state) {
+ case IDLE:
+ if (h_state) {
+ sw->state = JITTER;
+ /* In End of Conversion interrupt mode, the AD714X
+ * continuously generates hardware interrupts.
+ */
+ touchpad_use_com_int(ad714x, idx);
+ dev_dbg(ad714x->dev, "touchpad %d touched\n", idx);
+ }
+ break;
+
+ case JITTER:
+ if (c_state == mask) {
+ touchpad_cal_sensor_val(ad714x, idx);
+ touchpad_cal_highest_stage(ad714x, idx);
+ if ((!touchpad_check_second_peak(ad714x, idx)) &&
+ (!touchpad_check_endpoint(ad714x, idx))) {
+ dev_dbg(ad714x->dev,
+ "touchpad%d, 2 fingers or endpoint\n",
+ idx);
+ touchpad_cal_abs_pos(ad714x, idx);
+ sw->x_flt_pos = sw->x_abs_pos;
+ sw->y_flt_pos = sw->y_abs_pos;
+ sw->state = ACTIVE;
+ }
+ }
+ break;
+
+ case ACTIVE:
+ if (c_state == mask) {
+ if (h_state) {
+ touchpad_cal_sensor_val(ad714x, idx);
+ touchpad_cal_highest_stage(ad714x, idx);
+ if ((!touchpad_check_second_peak(ad714x, idx))
+ && (!touchpad_check_endpoint(ad714x, idx))) {
+ touchpad_cal_abs_pos(ad714x, idx);
+ touchpad_cal_flt_pos(ad714x, idx);
+ input_report_abs(sw->input, ABS_X,
+ sw->x_flt_pos);
+ input_report_abs(sw->input, ABS_Y,
+ sw->y_flt_pos);
+ input_report_key(sw->input, BTN_TOUCH,
+ 1);
+ }
+ } else {
+ /* When the user lifts off the sensor, configure
+ * the AD714X back to threshold interrupt mode.
+ */
+ touchpad_use_thr_int(ad714x, idx);
+ sw->state = IDLE;
+ input_report_key(sw->input, BTN_TOUCH, 0);
+ dev_dbg(ad714x->dev, "touchpad %d released\n",
+ idx);
+ }
+ input_sync(sw->input);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+static int ad714x_hw_detect(struct ad714x_chip *ad714x)
+{
+ unsigned short data;
+
+ ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
+ switch (data & 0xFFF0) {
+ case AD7142_PARTID:
+ ad714x->product = 0x7142;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7142 captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ case AD7143_PARTID:
+ ad714x->product = 0x7143;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7143 captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ case AD7147_PARTID:
+ ad714x->product = 0x7147;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7147(A) captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ case AD7148_PARTID:
+ ad714x->product = 0x7148;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7148 captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ default:
+ dev_err(ad714x->dev,
+ "fail to detect AD714X captouch, read ID is %04x\n",
+ data);
+ return -ENODEV;
+ }
+}
+
+static void ad714x_hw_init(struct ad714x_chip *ad714x)
+{
+ int i, j;
+ unsigned short reg_base;
+ unsigned short data;
+
+ /* configuration CDC and interrupts */
+
+ for (i = 0; i < STAGE_NUM; i++) {
+ reg_base = AD714X_STAGECFG_REG + i * STAGE_CFGREG_NUM;
+ for (j = 0; j < STAGE_CFGREG_NUM; j++)
+ ad714x->write(ad714x->dev, reg_base + j,
+ ad714x->hw->stage_cfg_reg[i][j]);
+ }
+
+ for (i = 0; i < SYS_CFGREG_NUM; i++)
+ ad714x->write(ad714x->dev, AD714X_SYSCFG_REG + i,
+ ad714x->hw->sys_cfg_reg[i]);
+ for (i = 0; i < SYS_CFGREG_NUM; i++)
+ ad714x->read(ad714x->dev, AD714X_SYSCFG_REG + i,
+ &data);
+
+ ad714x->write(ad714x->dev, AD714X_STG_CAL_EN_REG, 0xFFF);
+
+ /* clear all interrupts */
+ ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
+ ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
+ ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
+}
+
+static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
+{
+ struct ad714x_chip *ad714x = data;
+ int i;
+
+ mutex_lock(&ad714x->mutex);
+
+ ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &ad714x->l_state);
+ ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &ad714x->h_state);
+ ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &ad714x->c_state);
+
+ for (i = 0; i < ad714x->hw->button_num; i++)
+ ad714x_button_state_machine(ad714x, i);
+ for (i = 0; i < ad714x->hw->slider_num; i++)
+ ad714x_slider_state_machine(ad714x, i);
+ for (i = 0; i < ad714x->hw->wheel_num; i++)
+ ad714x_wheel_state_machine(ad714x, i);
+ for (i = 0; i < ad714x->hw->touchpad_num; i++)
+ ad714x_touchpad_state_machine(ad714x, i);
+
+ mutex_unlock(&ad714x->mutex);
+
+ return IRQ_HANDLED;
+}
+
+#define MAX_DEVICE_NUM 8
+struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq,
+ ad714x_read_t read, ad714x_write_t write)
+{
+ int i, alloc_idx;
+ int error;
+ struct input_dev *input[MAX_DEVICE_NUM];
+
+ struct ad714x_platform_data *plat_data = dev->platform_data;
+ struct ad714x_chip *ad714x;
+ void *drv_mem;
+
+ struct ad714x_button_drv *bt_drv;
+ struct ad714x_slider_drv *sd_drv;
+ struct ad714x_wheel_drv *wl_drv;
+ struct ad714x_touchpad_drv *tp_drv;
+
+
+ if (irq <= 0) {
+ dev_err(dev, "IRQ not configured!\n");
+ error = -EINVAL;
+ goto err_out;
+ }
+
+ if (dev->platform_data == NULL) {
+ dev_err(dev, "platform data for ad714x doesn't exist\n");
+ error = -EINVAL;
+ goto err_out;
+ }
+
+ ad714x = kzalloc(sizeof(*ad714x) + sizeof(*ad714x->sw) +
+ sizeof(*sd_drv) * plat_data->slider_num +
+ sizeof(*wl_drv) * plat_data->wheel_num +
+ sizeof(*tp_drv) * plat_data->touchpad_num +
+ sizeof(*bt_drv) * plat_data->button_num, GFP_KERNEL);
+ if (!ad714x) {
+ error = -ENOMEM;
+ goto err_out;
+ }
+
+ ad714x->hw = plat_data;
+
+ drv_mem = ad714x + 1;
+ ad714x->sw = drv_mem;
+ drv_mem += sizeof(*ad714x->sw);
+ ad714x->sw->slider = sd_drv = drv_mem;
+ drv_mem += sizeof(*sd_drv) * ad714x->hw->slider_num;
+ ad714x->sw->wheel = wl_drv = drv_mem;
+ drv_mem += sizeof(*wl_drv) * ad714x->hw->wheel_num;
+ ad714x->sw->touchpad = tp_drv = drv_mem;
+ drv_mem += sizeof(*tp_drv) * ad714x->hw->touchpad_num;
+ ad714x->sw->button = bt_drv = drv_mem;
+ drv_mem += sizeof(*bt_drv) * ad714x->hw->button_num;
+
+ ad714x->read = read;
+ ad714x->write = write;
+ ad714x->irq = irq;
+ ad714x->dev = dev;
+
+ error = ad714x_hw_detect(ad714x);
+ if (error)
+ goto err_free_mem;
+
+ /* initilize and request sw/hw resources */
+
+ ad714x_hw_init(ad714x);
+ mutex_init(&ad714x->mutex);
+
+ /*
+ * Allocate and register AD714X input device
+ */
+ alloc_idx = 0;
+
+ /* a slider uses one input_dev instance */
+ if (ad714x->hw->slider_num > 0) {
+ struct ad714x_slider_plat *sd_plat = ad714x->hw->slider;
+
+ for (i = 0; i < ad714x->hw->slider_num; i++) {
+ sd_drv[i].input = input[alloc_idx] = input_allocate_device();
+ if (!input[alloc_idx]) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ __set_bit(EV_ABS, input[alloc_idx]->evbit);
+ __set_bit(EV_KEY, input[alloc_idx]->evbit);
+ __set_bit(ABS_X, input[alloc_idx]->absbit);
+ __set_bit(BTN_TOUCH, input[alloc_idx]->keybit);
+ input_set_abs_params(input[alloc_idx],
+ ABS_X, 0, sd_plat->max_coord, 0, 0);
+
+ input[alloc_idx]->id.bustype = bus_type;
+ input[alloc_idx]->id.product = ad714x->product;
+ input[alloc_idx]->id.version = ad714x->version;
+
+ error = input_register_device(input[alloc_idx]);
+ if (error)
+ goto err_free_dev;
+
+ alloc_idx++;
+ }
+ }
+
+ /* a wheel uses one input_dev instance */
+ if (ad714x->hw->wheel_num > 0) {
+ struct ad714x_wheel_plat *wl_plat = ad714x->hw->wheel;
+
+ for (i = 0; i < ad714x->hw->wheel_num; i++) {
+ wl_drv[i].input = input[alloc_idx] = input_allocate_device();
+ if (!input[alloc_idx]) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ __set_bit(EV_KEY, input[alloc_idx]->evbit);
+ __set_bit(EV_ABS, input[alloc_idx]->evbit);
+ __set_bit(ABS_WHEEL, input[alloc_idx]->absbit);
+ __set_bit(BTN_TOUCH, input[alloc_idx]->keybit);
+ input_set_abs_params(input[alloc_idx],
+ ABS_WHEEL, 0, wl_plat->max_coord, 0, 0);
+
+ input[alloc_idx]->id.bustype = bus_type;
+ input[alloc_idx]->id.product = ad714x->product;
+ input[alloc_idx]->id.version = ad714x->version;
+
+ error = input_register_device(input[alloc_idx]);
+ if (error)
+ goto err_free_dev;
+
+ alloc_idx++;
+ }
+ }
+
+ /* a touchpad uses one input_dev instance */
+ if (ad714x->hw->touchpad_num > 0) {
+ struct ad714x_touchpad_plat *tp_plat = ad714x->hw->touchpad;
+
+ for (i = 0; i < ad714x->hw->touchpad_num; i++) {
+ tp_drv[i].input = input[alloc_idx] = input_allocate_device();
+ if (!input[alloc_idx]) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ __set_bit(EV_ABS, input[alloc_idx]->evbit);
+ __set_bit(EV_KEY, input[alloc_idx]->evbit);
+ __set_bit(ABS_X, input[alloc_idx]->absbit);
+ __set_bit(ABS_Y, input[alloc_idx]->absbit);
+ __set_bit(BTN_TOUCH, input[alloc_idx]->keybit);
+ input_set_abs_params(input[alloc_idx],
+ ABS_X, 0, tp_plat->x_max_coord, 0, 0);
+ input_set_abs_params(input[alloc_idx],
+ ABS_Y, 0, tp_plat->y_max_coord, 0, 0);
+
+ input[alloc_idx]->id.bustype = bus_type;
+ input[alloc_idx]->id.product = ad714x->product;
+ input[alloc_idx]->id.version = ad714x->version;
+
+ error = input_register_device(input[alloc_idx]);
+ if (error)
+ goto err_free_dev;
+
+ alloc_idx++;
+ }
+ }
+
+ /* all buttons use one input node */
+ if (ad714x->hw->button_num > 0) {
+ struct ad714x_button_plat *bt_plat = ad714x->hw->button;
+
+ input[alloc_idx] = input_allocate_device();
+ if (!input[alloc_idx]) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ __set_bit(EV_KEY, input[alloc_idx]->evbit);
+ for (i = 0; i < ad714x->hw->button_num; i++) {
+ bt_drv[i].input = input[alloc_idx];
+ __set_bit(bt_plat[i].keycode, input[alloc_idx]->keybit);
+ }
+
+ input[alloc_idx]->id.bustype = bus_type;
+ input[alloc_idx]->id.product = ad714x->product;
+ input[alloc_idx]->id.version = ad714x->version;
+
+ error = input_register_device(input[alloc_idx]);
+ if (error)
+ goto err_free_dev;
+
+ alloc_idx++;
+ }
+
+ error = request_threaded_irq(ad714x->irq, NULL, ad714x_interrupt_thread,
+ IRQF_TRIGGER_FALLING, "ad714x_captouch", ad714x);
+ if (error) {
+ dev_err(dev, "can't allocate irq %d\n", ad714x->irq);
+ goto err_unreg_dev;
+ }
+
+ return ad714x;
+
+ err_free_dev:
+ dev_err(dev, "failed to setup AD714x input device %i\n", alloc_idx);
+ input_free_device(input[alloc_idx]);
+ err_unreg_dev:
+ while (--alloc_idx >= 0)
+ input_unregister_device(input[alloc_idx]);
+ err_free_mem:
+ kfree(ad714x);
+ err_out:
+ return ERR_PTR(error);
+}
+EXPORT_SYMBOL(ad714x_probe);
+
+void ad714x_remove(struct ad714x_chip *ad714x)
+{
+ struct ad714x_platform_data *hw = ad714x->hw;
+ struct ad714x_driver_data *sw = ad714x->sw;
+ int i;
+
+ free_irq(ad714x->irq, ad714x);
+
+ /* unregister and free all input devices */
+
+ for (i = 0; i < hw->slider_num; i++)
+ input_unregister_device(sw->slider[i].input);
+
+ for (i = 0; i < hw->wheel_num; i++)
+ input_unregister_device(sw->wheel[i].input);
+
+ for (i = 0; i < hw->touchpad_num; i++)
+ input_unregister_device(sw->touchpad[i].input);
+
+ if (hw->button_num)
+ input_unregister_device(sw->button[0].input);
+
+ kfree(ad714x);
+}
+EXPORT_SYMBOL(ad714x_remove);
+
+#ifdef CONFIG_PM
+int ad714x_disable(struct ad714x_chip *ad714x)
+{
+ unsigned short data;
+
+ dev_dbg(ad714x->dev, "%s enter\n", __func__);
+
+ mutex_lock(&ad714x->mutex);
+
+ data = ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL] | 0x3;
+ ad714x->write(ad714x->dev, AD714X_PWR_CTRL, data);
+
+ mutex_unlock(&ad714x->mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(ad714x_disable);
+
+int ad714x_enable(struct ad714x_chip *ad714x)
+{
+ unsigned short data;
+
+ dev_dbg(ad714x->dev, "%s enter\n", __func__);
+
+ mutex_lock(&ad714x->mutex);
+
+ /* resume to non-shutdown mode */
+
+ ad714x->write(ad714x->dev, AD714X_PWR_CTRL,
+ ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL]);
+
+ /* make sure the interrupt output line is not low level after resume,
+ * otherwise we will get no chance to enter falling-edge irq again
+ */
+
+ ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
+ ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
+ ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
+
+ mutex_unlock(&ad714x->mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(ad714x_enable);
+#endif
+
+MODULE_DESCRIPTION("Analog Devices AD714X Capacitance Touch Sensor Driver");
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/ad714x.h b/drivers/input/misc/ad714x.h
new file mode 100644
index 000000000000..45c54fb13f07
--- /dev/null
+++ b/drivers/input/misc/ad714x.h
@@ -0,0 +1,26 @@
+/*
+ * AD714X CapTouch Programmable Controller driver (bus interfaces)
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _AD714X_H_
+#define _AD714X_H_
+
+#include <linux/types.h>
+
+struct device;
+struct ad714x_chip;
+
+typedef int (*ad714x_read_t)(struct device *, unsigned short, unsigned short *);
+typedef int (*ad714x_write_t)(struct device *, unsigned short, unsigned short);
+
+int ad714x_disable(struct ad714x_chip *ad714x);
+int ad714x_enable(struct ad714x_chip *ad714x);
+struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq,
+ ad714x_read_t read, ad714x_write_t write);
+void ad714x_remove(struct ad714x_chip *ad714x);
+
+#endif
diff --git a/drivers/input/misc/ati_remote.c b/drivers/input/misc/ati_remote.c
index e8bbc619f6df..bce57129afba 100644
--- a/drivers/input/misc/ati_remote.c
+++ b/drivers/input/misc/ati_remote.c
@@ -624,13 +624,13 @@ static void ati_remote_irq_in(struct urb *urb)
static int ati_remote_alloc_buffers(struct usb_device *udev,
struct ati_remote *ati_remote)
{
- ati_remote->inbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, GFP_ATOMIC,
- &ati_remote->inbuf_dma);
+ ati_remote->inbuf = usb_alloc_coherent(udev, DATA_BUFSIZE, GFP_ATOMIC,
+ &ati_remote->inbuf_dma);
if (!ati_remote->inbuf)
return -1;
- ati_remote->outbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, GFP_ATOMIC,
- &ati_remote->outbuf_dma);
+ ati_remote->outbuf = usb_alloc_coherent(udev, DATA_BUFSIZE, GFP_ATOMIC,
+ &ati_remote->outbuf_dma);
if (!ati_remote->outbuf)
return -1;
@@ -653,10 +653,10 @@ static void ati_remote_free_buffers(struct ati_remote *ati_remote)
usb_free_urb(ati_remote->irq_urb);
usb_free_urb(ati_remote->out_urb);
- usb_buffer_free(ati_remote->udev, DATA_BUFSIZE,
+ usb_free_coherent(ati_remote->udev, DATA_BUFSIZE,
ati_remote->inbuf, ati_remote->inbuf_dma);
- usb_buffer_free(ati_remote->udev, DATA_BUFSIZE,
+ usb_free_coherent(ati_remote->udev, DATA_BUFSIZE,
ati_remote->outbuf, ati_remote->outbuf_dma);
}
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index 2124b99378bb..e148749b5851 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -589,7 +589,7 @@ static int ati_remote2_urb_init(struct ati_remote2 *ar2)
int i, pipe, maxp;
for (i = 0; i < 2; i++) {
- ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]);
+ ar2->buf[i] = usb_alloc_coherent(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]);
if (!ar2->buf[i])
return -ENOMEM;
@@ -617,7 +617,7 @@ static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2)
for (i = 0; i < 2; i++) {
usb_free_urb(ar2->urb[i]);
- usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]);
+ usb_free_coherent(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]);
}
}
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
index 86457feccfc4..2b0eba6619bd 100644
--- a/drivers/input/misc/cm109.c
+++ b/drivers/input/misc/cm109.c
@@ -102,7 +102,6 @@ struct cm109_dev {
struct cm109_ctl_packet *ctl_data;
dma_addr_t ctl_dma;
struct usb_ctrlrequest *ctl_req;
- dma_addr_t ctl_req_dma;
struct urb *urb_ctl;
/*
* The 3 bitfields below are protected by ctl_submit_lock.
@@ -629,15 +628,13 @@ static const struct usb_device_id cm109_usb_table[] = {
static void cm109_usb_cleanup(struct cm109_dev *dev)
{
- if (dev->ctl_req)
- usb_buffer_free(dev->udev, sizeof(*(dev->ctl_req)),
- dev->ctl_req, dev->ctl_req_dma);
+ kfree(dev->ctl_req);
if (dev->ctl_data)
- usb_buffer_free(dev->udev, USB_PKT_LEN,
- dev->ctl_data, dev->ctl_dma);
+ usb_free_coherent(dev->udev, USB_PKT_LEN,
+ dev->ctl_data, dev->ctl_dma);
if (dev->irq_data)
- usb_buffer_free(dev->udev, USB_PKT_LEN,
- dev->irq_data, dev->irq_dma);
+ usb_free_coherent(dev->udev, USB_PKT_LEN,
+ dev->irq_data, dev->irq_dma);
usb_free_urb(dev->urb_irq); /* parameter validation in core/urb */
usb_free_urb(dev->urb_ctl); /* parameter validation in core/urb */
@@ -686,18 +683,17 @@ static int cm109_usb_probe(struct usb_interface *intf,
goto err_out;
/* allocate usb buffers */
- dev->irq_data = usb_buffer_alloc(udev, USB_PKT_LEN,
- GFP_KERNEL, &dev->irq_dma);
+ dev->irq_data = usb_alloc_coherent(udev, USB_PKT_LEN,
+ GFP_KERNEL, &dev->irq_dma);
if (!dev->irq_data)
goto err_out;
- dev->ctl_data = usb_buffer_alloc(udev, USB_PKT_LEN,
- GFP_KERNEL, &dev->ctl_dma);
+ dev->ctl_data = usb_alloc_coherent(udev, USB_PKT_LEN,
+ GFP_KERNEL, &dev->ctl_dma);
if (!dev->ctl_data)
goto err_out;
- dev->ctl_req = usb_buffer_alloc(udev, sizeof(*(dev->ctl_req)),
- GFP_KERNEL, &dev->ctl_req_dma);
+ dev->ctl_req = kmalloc(sizeof(*(dev->ctl_req)), GFP_KERNEL);
if (!dev->ctl_req)
goto err_out;
@@ -735,10 +731,8 @@ static int cm109_usb_probe(struct usb_interface *intf,
usb_fill_control_urb(dev->urb_ctl, udev, usb_sndctrlpipe(udev, 0),
(void *)dev->ctl_req, dev->ctl_data, USB_PKT_LEN,
cm109_urb_ctl_callback, dev);
- dev->urb_ctl->setup_dma = dev->ctl_req_dma;
dev->urb_ctl->transfer_dma = dev->ctl_dma;
- dev->urb_ctl->transfer_flags |= URB_NO_SETUP_DMA_MAP |
- URB_NO_TRANSFER_DMA_MAP;
+ dev->urb_ctl->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
dev->urb_ctl->dev = udev;
/* find out the physical bus location */
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index ad730e15afc0..e00a1cc79c0a 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -43,6 +43,7 @@
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/rtc.h>
+#include <linux/smp_lock.h>
#include <linux/semaphore.h>
MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
@@ -64,8 +65,8 @@ static DECLARE_WAIT_QUEUE_HEAD(hp_sdc_rtc_wait);
static ssize_t hp_sdc_rtc_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos);
-static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg);
+static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg);
static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait);
@@ -512,7 +513,7 @@ static int hp_sdc_rtc_read_proc(char *page, char **start, off_t off,
return len;
}
-static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
+static int hp_sdc_rtc_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
#if 1
@@ -659,14 +660,27 @@ static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
#endif
}
+static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = hp_sdc_rtc_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
+
static const struct file_operations hp_sdc_rtc_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .read = hp_sdc_rtc_read,
- .poll = hp_sdc_rtc_poll,
- .ioctl = hp_sdc_rtc_ioctl,
- .open = hp_sdc_rtc_open,
- .fasync = hp_sdc_rtc_fasync,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .read = hp_sdc_rtc_read,
+ .poll = hp_sdc_rtc_poll,
+ .unlocked_ioctl = hp_sdc_rtc_ioctl,
+ .open = hp_sdc_rtc_open,
+ .fasync = hp_sdc_rtc_fasync,
};
static struct miscdevice hp_sdc_rtc_dev = {
diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c
index 86afdd1fdf9d..a93c525475c6 100644
--- a/drivers/input/misc/keyspan_remote.c
+++ b/drivers/input/misc/keyspan_remote.c
@@ -464,7 +464,7 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic
remote->in_endpoint = endpoint;
remote->toggle = -1; /* Set to -1 so we will always not match the toggle from the first remote message. */
- remote->in_buffer = usb_buffer_alloc(udev, RECV_SIZE, GFP_ATOMIC, &remote->in_dma);
+ remote->in_buffer = usb_alloc_coherent(udev, RECV_SIZE, GFP_ATOMIC, &remote->in_dma);
if (!remote->in_buffer) {
error = -ENOMEM;
goto fail1;
@@ -543,7 +543,7 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic
return 0;
fail3: usb_free_urb(remote->irq_urb);
- fail2: usb_buffer_free(udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
+ fail2: usb_free_coherent(udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
fail1: kfree(remote);
input_free_device(input_dev);
@@ -564,7 +564,7 @@ static void keyspan_disconnect(struct usb_interface *interface)
input_unregister_device(remote->input);
usb_kill_urb(remote->irq_urb);
usb_free_urb(remote->irq_urb);
- usb_buffer_free(remote->udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
+ usb_free_coherent(remote->udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
kfree(remote);
}
}
diff --git a/drivers/input/misc/max8925_onkey.c b/drivers/input/misc/max8925_onkey.c
new file mode 100644
index 000000000000..80af44608018
--- /dev/null
+++ b/drivers/input/misc/max8925_onkey.c
@@ -0,0 +1,148 @@
+/**
+ * max8925_onkey.c - MAX8925 ONKEY driver
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ * Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/max8925.h>
+#include <linux/slab.h>
+
+#define HARDRESET_EN (1 << 7)
+#define PWREN_EN (1 << 7)
+
+struct max8925_onkey_info {
+ struct input_dev *idev;
+ struct i2c_client *i2c;
+ int irq;
+};
+
+/*
+ * MAX8925 gives us an interrupt when ONKEY is held for 3 seconds.
+ * max8925_set_bits() operates I2C bus and may sleep. So implement
+ * it in thread IRQ handler.
+ */
+static irqreturn_t max8925_onkey_handler(int irq, void *data)
+{
+ struct max8925_onkey_info *info = data;
+
+ input_report_key(info->idev, KEY_POWER, 1);
+ input_sync(info->idev);
+
+ /* Enable hardreset to halt if system isn't shutdown on time */
+ max8925_set_bits(info->i2c, MAX8925_SYSENSEL,
+ HARDRESET_EN, HARDRESET_EN);
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit max8925_onkey_probe(struct platform_device *pdev)
+{
+ struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+ struct max8925_onkey_info *info;
+ int error;
+
+ info = kzalloc(sizeof(struct max8925_onkey_info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ info->i2c = chip->i2c;
+ info->irq = chip->irq_base + MAX8925_IRQ_GPM_SW_3SEC;
+
+ info->idev = input_allocate_device();
+ if (!info->idev) {
+ dev_err(chip->dev, "Failed to allocate input dev\n");
+ error = -ENOMEM;
+ goto out_input;
+ }
+
+ info->idev->name = "max8925_on";
+ info->idev->phys = "max8925_on/input0";
+ info->idev->id.bustype = BUS_I2C;
+ info->idev->dev.parent = &pdev->dev;
+ info->idev->evbit[0] = BIT_MASK(EV_KEY);
+ info->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
+
+ error = request_threaded_irq(info->irq, NULL, max8925_onkey_handler,
+ IRQF_ONESHOT, "onkey", info);
+ if (error < 0) {
+ dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
+ info->irq, error);
+ goto out_irq;
+ }
+
+ error = input_register_device(info->idev);
+ if (error) {
+ dev_err(chip->dev, "Can't register input device: %d\n", error);
+ goto out;
+ }
+
+ platform_set_drvdata(pdev, info);
+
+ return 0;
+
+out:
+ free_irq(info->irq, info);
+out_irq:
+ input_free_device(info->idev);
+out_input:
+ kfree(info);
+ return error;
+}
+
+static int __devexit max8925_onkey_remove(struct platform_device *pdev)
+{
+ struct max8925_onkey_info *info = platform_get_drvdata(pdev);
+
+ free_irq(info->irq, info);
+ input_unregister_device(info->idev);
+ kfree(info);
+
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver max8925_onkey_driver = {
+ .driver = {
+ .name = "max8925-onkey",
+ .owner = THIS_MODULE,
+ },
+ .probe = max8925_onkey_probe,
+ .remove = __devexit_p(max8925_onkey_remove),
+};
+
+static int __init max8925_onkey_init(void)
+{
+ return platform_driver_register(&max8925_onkey_driver);
+}
+module_init(max8925_onkey_init);
+
+static void __exit max8925_onkey_exit(void)
+{
+ platform_driver_unregister(&max8925_onkey_driver);
+}
+module_exit(max8925_onkey_exit);
+
+MODULE_DESCRIPTION("Maxim MAX8925 ONKEY driver");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
new file mode 100644
index 000000000000..5c3ac4e0b055
--- /dev/null
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -0,0 +1,227 @@
+/*
+ * Driver for a keypad w/16 buttons connected to a PCF8574 I2C I/O expander
+ *
+ * Copyright 2005-2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+
+#define DRV_NAME "pcf8574_keypad"
+
+static const unsigned char pcf8574_kp_btncode[] = {
+ [0] = KEY_RESERVED,
+ [1] = KEY_ENTER,
+ [2] = KEY_BACKSLASH,
+ [3] = KEY_0,
+ [4] = KEY_RIGHTBRACE,
+ [5] = KEY_C,
+ [6] = KEY_9,
+ [7] = KEY_8,
+ [8] = KEY_7,
+ [9] = KEY_B,
+ [10] = KEY_6,
+ [11] = KEY_5,
+ [12] = KEY_4,
+ [13] = KEY_A,
+ [14] = KEY_3,
+ [15] = KEY_2,
+ [16] = KEY_1
+};
+
+struct kp_data {
+ unsigned short btncode[ARRAY_SIZE(pcf8574_kp_btncode)];
+ struct input_dev *idev;
+ struct i2c_client *client;
+ char name[64];
+ char phys[32];
+ unsigned char laststate;
+};
+
+static short read_state(struct kp_data *lp)
+{
+ unsigned char x, y, a, b;
+
+ i2c_smbus_write_byte(lp->client, 240);
+ x = 0xF & (~(i2c_smbus_read_byte(lp->client) >> 4));
+
+ i2c_smbus_write_byte(lp->client, 15);
+ y = 0xF & (~i2c_smbus_read_byte(lp->client));
+
+ for (a = 0; x > 0; a++)
+ x = x >> 1;
+ for (b = 0; y > 0; b++)
+ y = y >> 1;
+
+ return ((a - 1) * 4) + b;
+}
+
+static irqreturn_t pcf8574_kp_irq_handler(int irq, void *dev_id)
+{
+ struct kp_data *lp = dev_id;
+ unsigned char nextstate = read_state(lp);
+
+ if (lp->laststate != nextstate) {
+ int key_down = nextstate <= ARRAY_SIZE(lp->btncode);
+ unsigned short keycode = key_down ?
+ lp->btncode[nextstate] : lp->btncode[lp->laststate];
+
+ input_report_key(lp->idev, keycode, key_down);
+ input_sync(lp->idev);
+
+ lp->laststate = nextstate;
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+ int i, ret;
+ struct input_dev *idev;
+ struct kp_data *lp;
+
+ if (i2c_smbus_write_byte(client, 240) < 0) {
+ dev_err(&client->dev, "probe: write fail\n");
+ return -ENODEV;
+ }
+
+ lp = kzalloc(sizeof(*lp), GFP_KERNEL);
+ if (!lp)
+ return -ENOMEM;
+
+ idev = input_allocate_device();
+ if (!idev) {
+ dev_err(&client->dev, "Can't allocate input device\n");
+ ret = -ENOMEM;
+ goto fail_allocate;
+ }
+
+ lp->idev = idev;
+ lp->client = client;
+
+ idev->evbit[0] = BIT_MASK(EV_KEY);
+ idev->keycode = lp->btncode;
+ idev->keycodesize = sizeof(lp->btncode[0]);
+ idev->keycodemax = ARRAY_SIZE(lp->btncode);
+
+ for (i = 0; i < ARRAY_SIZE(pcf8574_kp_btncode); i++) {
+ lp->btncode[i] = pcf8574_kp_btncode[i];
+ __set_bit(lp->btncode[i] & KEY_MAX, idev->keybit);
+ }
+
+ sprintf(lp->name, DRV_NAME);
+ sprintf(lp->phys, "kp_data/input0");
+
+ idev->name = lp->name;
+ idev->phys = lp->phys;
+ idev->id.bustype = BUS_I2C;
+ idev->id.vendor = 0x0001;
+ idev->id.product = 0x0001;
+ idev->id.version = 0x0100;
+
+ input_set_drvdata(idev, lp);
+
+ ret = input_register_device(idev);
+ if (ret) {
+ dev_err(&client->dev, "input_register_device() failed\n");
+ goto fail_register;
+ }
+
+ lp->laststate = read_state(lp);
+
+ ret = request_threaded_irq(client->irq, NULL, pcf8574_kp_irq_handler,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ DRV_NAME, lp);
+ if (ret) {
+ dev_err(&client->dev, "IRQ %d is not free\n", client->irq);
+ goto fail_irq;
+ }
+
+ i2c_set_clientdata(client, lp);
+ return 0;
+
+ fail_irq:
+ input_unregister_device(idev);
+ fail_register:
+ input_set_drvdata(idev, NULL);
+ input_free_device(idev);
+ fail_allocate:
+ kfree(lp);
+
+ return ret;
+}
+
+static int __devexit pcf8574_kp_remove(struct i2c_client *client)
+{
+ struct kp_data *lp = i2c_get_clientdata(client);
+
+ free_irq(client->irq, lp);
+
+ input_unregister_device(lp->idev);
+ kfree(lp);
+
+ i2c_set_clientdata(client, NULL);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int pcf8574_kp_resume(struct i2c_client *client)
+{
+ enable_irq(client->irq);
+
+ return 0;
+}
+
+static int pcf8574_kp_suspend(struct i2c_client *client, pm_message_t mesg)
+{
+ disable_irq(client->irq);
+
+ return 0;
+}
+#else
+# define pcf8574_kp_resume NULL
+# define pcf8574_kp_suspend NULL
+#endif
+
+static const struct i2c_device_id pcf8574_kp_id[] = {
+ { DRV_NAME, 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, pcf8574_kp_id);
+
+static struct i2c_driver pcf8574_kp_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = pcf8574_kp_probe,
+ .remove = __devexit_p(pcf8574_kp_remove),
+ .suspend = pcf8574_kp_suspend,
+ .resume = pcf8574_kp_resume,
+ .id_table = pcf8574_kp_id,
+};
+
+static int __init pcf8574_kp_init(void)
+{
+ return i2c_add_driver(&pcf8574_kp_driver);
+}
+module_init(pcf8574_kp_init);
+
+static void __exit pcf8574_kp_exit(void)
+{
+ i2c_del_driver(&pcf8574_kp_driver);
+}
+module_exit(pcf8574_kp_exit);
+
+MODULE_AUTHOR("Michael Hennerich");
+MODULE_DESCRIPTION("Keypad input driver for 16 keys connected to PCF8574");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index ea4e1fd12651..f080dd31499b 100644
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -30,7 +30,7 @@ MODULE_ALIAS("platform:pcspkr");
#include <asm/i8253.h>
#else
#include <asm/8253pit.h>
-static DEFINE_SPINLOCK(i8253_lock);
+static DEFINE_RAW_SPINLOCK(i8253_lock);
#endif
static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
@@ -50,7 +50,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
if (value > 20 && value < 32767)
count = PIT_TICK_RATE / value;
- spin_lock_irqsave(&i8253_lock, flags);
+ raw_spin_lock_irqsave(&i8253_lock, flags);
if (count) {
/* set command for counter 2, 2 byte write */
@@ -65,7 +65,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
outb(inb_p(0x61) & 0xFC, 0x61);
}
- spin_unlock_irqrestore(&i8253_lock, flags);
+ raw_spin_unlock_irqrestore(&i8253_lock, flags);
return 0;
}
diff --git a/drivers/input/misc/powermate.c b/drivers/input/misc/powermate.c
index 668913d12044..bf170f6b4422 100644
--- a/drivers/input/misc/powermate.c
+++ b/drivers/input/misc/powermate.c
@@ -64,7 +64,6 @@ struct powermate_device {
dma_addr_t data_dma;
struct urb *irq, *config;
struct usb_ctrlrequest *configcr;
- dma_addr_t configcr_dma;
struct usb_device *udev;
struct input_dev *input;
spinlock_t lock;
@@ -182,8 +181,6 @@ static void powermate_sync_state(struct powermate_device *pm)
usb_fill_control_urb(pm->config, pm->udev, usb_sndctrlpipe(pm->udev, 0),
(void *) pm->configcr, NULL, 0,
powermate_config_complete, pm);
- pm->config->setup_dma = pm->configcr_dma;
- pm->config->transfer_flags |= URB_NO_SETUP_DMA_MAP;
if (usb_submit_urb(pm->config, GFP_ATOMIC))
printk(KERN_ERR "powermate: usb_submit_urb(config) failed");
@@ -276,13 +273,12 @@ static int powermate_input_event(struct input_dev *dev, unsigned int type, unsig
static int powermate_alloc_buffers(struct usb_device *udev, struct powermate_device *pm)
{
- pm->data = usb_buffer_alloc(udev, POWERMATE_PAYLOAD_SIZE_MAX,
- GFP_ATOMIC, &pm->data_dma);
+ pm->data = usb_alloc_coherent(udev, POWERMATE_PAYLOAD_SIZE_MAX,
+ GFP_ATOMIC, &pm->data_dma);
if (!pm->data)
return -1;
- pm->configcr = usb_buffer_alloc(udev, sizeof(*(pm->configcr)),
- GFP_ATOMIC, &pm->configcr_dma);
+ pm->configcr = kmalloc(sizeof(*(pm->configcr)), GFP_KERNEL);
if (!pm->configcr)
return -1;
@@ -291,10 +287,9 @@ static int powermate_alloc_buffers(struct usb_device *udev, struct powermate_dev
static void powermate_free_buffers(struct usb_device *udev, struct powermate_device *pm)
{
- usb_buffer_free(udev, POWERMATE_PAYLOAD_SIZE_MAX,
- pm->data, pm->data_dma);
- usb_buffer_free(udev, sizeof(*(pm->configcr)),
- pm->configcr, pm->configcr_dma);
+ usb_free_coherent(udev, POWERMATE_PAYLOAD_SIZE_MAX,
+ pm->data, pm->data_dma);
+ kfree(pm->configcr);
}
/* Called whenever a USB device matching one in our supported devices table is connected */
diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c
index 0d45422f8095..1dacae4b43f0 100644
--- a/drivers/input/misc/sparcspkr.c
+++ b/drivers/input/misc/sparcspkr.c
@@ -259,8 +259,11 @@ static const struct of_device_id bbc_beep_match[] = {
};
static struct of_platform_driver bbc_beep_driver = {
- .name = "bbcbeep",
- .match_table = bbc_beep_match,
+ .driver = {
+ .name = "bbcbeep",
+ .owner = THIS_MODULE,
+ .of_match_table = bbc_beep_match,
+ },
.probe = bbc_beep_probe,
.remove = __devexit_p(bbc_remove),
.shutdown = sparcspkr_shutdown,
@@ -338,8 +341,11 @@ static const struct of_device_id grover_beep_match[] = {
};
static struct of_platform_driver grover_beep_driver = {
- .name = "groverbeep",
- .match_table = grover_beep_match,
+ .driver = {
+ .name = "groverbeep",
+ .owner = THIS_MODULE,
+ .of_match_table = grover_beep_match,
+ },
.probe = grover_beep_probe,
.remove = __devexit_p(grover_remove),
.shutdown = sparcspkr_shutdown,
diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c
index fee9eac8e04a..4f9b2afc24e8 100644
--- a/drivers/input/misc/twl4030-vibra.c
+++ b/drivers/input/misc/twl4030-vibra.c
@@ -90,8 +90,8 @@ static void vibra_disable(struct vibra_info *info)
twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
(reg & ~TWL4030_VIBRA_EN), TWL4030_REG_VIBRA_CTL);
- twl4030_codec_disable_resource(TWL4030_CODEC_RES_POWER);
twl4030_codec_disable_resource(TWL4030_CODEC_RES_APLL);
+ twl4030_codec_disable_resource(TWL4030_CODEC_RES_POWER);
info->enabled = false;
}
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 1477466076ad..b71eb55f2dbc 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -300,7 +300,7 @@ static int uinput_validate_absbits(struct input_dev *dev)
unsigned int cnt;
int retval = 0;
- for (cnt = 0; cnt < ABS_MAX + 1; cnt++) {
+ for (cnt = 0; cnt < ABS_CNT; cnt++) {
if (!test_bit(cnt, dev->absbit))
continue;
@@ -387,7 +387,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu
dev->id.product = user_dev->id.product;
dev->id.version = user_dev->id.version;
- size = sizeof(int) * (ABS_MAX + 1);
+ size = sizeof(int) * ABS_CNT;
memcpy(dev->absmax, user_dev->absmax, size);
memcpy(dev->absmin, user_dev->absmin, size);
memcpy(dev->absfuzz, user_dev->absfuzz, size);
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 04d5a4a3181f..4dac8b79fcd4 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -983,11 +983,11 @@ static int __init copy_keymap(void)
for (key = keymap; key->type != KE_END; key++)
length++;
- new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
+ new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
+ GFP_KERNEL);
if (!new_keymap)
return -ENOMEM;
- memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
keymap = new_keymap;
return 0;
diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index 93a22ac0f88c..41201c6b5e68 100644
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -111,7 +111,6 @@ struct yealink_dev {
struct yld_ctl_packet *ctl_data;
dma_addr_t ctl_dma;
struct usb_ctrlrequest *ctl_req;
- dma_addr_t ctl_req_dma;
struct urb *urb_ctl;
char phys[64]; /* physical device path */
@@ -836,12 +835,9 @@ static int usb_cleanup(struct yealink_dev *yld, int err)
usb_free_urb(yld->urb_irq);
usb_free_urb(yld->urb_ctl);
- usb_buffer_free(yld->udev, sizeof(*(yld->ctl_req)),
- yld->ctl_req, yld->ctl_req_dma);
- usb_buffer_free(yld->udev, USB_PKT_LEN,
- yld->ctl_data, yld->ctl_dma);
- usb_buffer_free(yld->udev, USB_PKT_LEN,
- yld->irq_data, yld->irq_dma);
+ kfree(yld->ctl_req);
+ usb_free_coherent(yld->udev, USB_PKT_LEN, yld->ctl_data, yld->ctl_dma);
+ usb_free_coherent(yld->udev, USB_PKT_LEN, yld->irq_data, yld->irq_dma);
kfree(yld);
return err;
@@ -886,18 +882,17 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
return usb_cleanup(yld, -ENOMEM);
/* allocate usb buffers */
- yld->irq_data = usb_buffer_alloc(udev, USB_PKT_LEN,
- GFP_ATOMIC, &yld->irq_dma);
+ yld->irq_data = usb_alloc_coherent(udev, USB_PKT_LEN,
+ GFP_ATOMIC, &yld->irq_dma);
if (yld->irq_data == NULL)
return usb_cleanup(yld, -ENOMEM);
- yld->ctl_data = usb_buffer_alloc(udev, USB_PKT_LEN,
- GFP_ATOMIC, &yld->ctl_dma);
+ yld->ctl_data = usb_alloc_coherent(udev, USB_PKT_LEN,
+ GFP_ATOMIC, &yld->ctl_dma);
if (!yld->ctl_data)
return usb_cleanup(yld, -ENOMEM);
- yld->ctl_req = usb_buffer_alloc(udev, sizeof(*(yld->ctl_req)),
- GFP_ATOMIC, &yld->ctl_req_dma);
+ yld->ctl_req = kmalloc(sizeof(*(yld->ctl_req)), GFP_KERNEL);
if (yld->ctl_req == NULL)
return usb_cleanup(yld, -ENOMEM);
@@ -936,10 +931,8 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
usb_fill_control_urb(yld->urb_ctl, udev, usb_sndctrlpipe(udev, 0),
(void *)yld->ctl_req, yld->ctl_data, USB_PKT_LEN,
urb_ctl_callback, yld);
- yld->urb_ctl->setup_dma = yld->ctl_req_dma;
yld->urb_ctl->transfer_dma = yld->ctl_dma;
- yld->urb_ctl->transfer_flags |= URB_NO_SETUP_DMA_MAP |
- URB_NO_TRANSFER_DMA_MAP;
+ yld->urb_ctl->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
yld->urb_ctl->dev = udev;
/* find out the physical bus location */
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-22 08:08:20 +0000