diff options
Diffstat (limited to 'drivers/input/misc')
| -rw-r--r-- | drivers/input/misc/Kconfig | 45 | ||||
| -rw-r--r-- | drivers/input/misc/Makefile | 4 | ||||
| -rw-r--r-- | drivers/input/misc/ad714x-i2c.c | 4 | ||||
| -rw-r--r-- | drivers/input/misc/bma150.c | 691 | ||||
| -rw-r--r-- | drivers/input/misc/cm109.c | 2 | ||||
| -rw-r--r-- | drivers/input/misc/ixp4xx-beeper.c | 2 | ||||
| -rw-r--r-- | drivers/input/misc/mma8450.c | 20 | ||||
| -rw-r--r-- | drivers/input/misc/pm8xxx-vibrator.c | 296 | ||||
| -rw-r--r-- | drivers/input/misc/rotary_encoder.c | 2 | ||||
| -rw-r--r-- | drivers/input/misc/twl6040-vibra.c | 23 |
10 files changed, 1054 insertions, 35 deletions
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 05cbdab..56aa465 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 @@ -363,17 +397,6 @@ 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 9032d34..62dcd79 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_INPUT_APANEL) += apanel.o obj-$(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 @@ -33,9 +34,10 @@ 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 025417d..56810fb 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 0000000..8f55b54 --- /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/cm109.c b/drivers/input/misc/cm109.c index b09c7d1..ab86051 100644 --- a/drivers/input/misc/cm109.c +++ b/drivers/input/misc/cm109.c @@ -475,7 +475,7 @@ static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on) le16_to_cpu(dev->ctl_req->wIndex), dev->ctl_data, USB_PKT_LEN, USB_CTRL_SET_TIMEOUT); - if (error && error != EINTR) + if (error < 0 && error != -EINTR) err("%s: usb_control_msg() failed %d", __func__, error); } diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c index 1f38302..302ab46 100644 --- a/drivers/input/misc/ixp4xx-beeper.c +++ b/drivers/input/misc/ixp4xx-beeper.c @@ -111,7 +111,7 @@ static int __devinit ixp4xx_spkr_probe(struct platform_device *dev) input_dev->event = ixp4xx_spkr_event; err = request_irq(IRQ_IXP4XX_TIMER2, &ixp4xx_spkr_interrupt, - IRQF_DISABLED | IRQF_NO_SUSPEND, "ixp4xx-beeper", + IRQF_NO_SUSPEND, "ixp4xx-beeper", (void *) dev->id); if (err) goto err_free_device; diff --git a/drivers/input/misc/mma8450.c b/drivers/input/misc/mma8450.c index 0794778..4d60080 100644 --- a/drivers/input/misc/mma8450.c +++ b/drivers/input/misc/mma8450.c @@ -88,13 +88,13 @@ static int mma8450_write(struct mma8450 *m, unsigned off, u8 v) return 0; } -static int mma8450_read_xyz(struct mma8450 *m, int *x, int *y, int *z) +static int mma8450_read_block(struct mma8450 *m, unsigned off, + u8 *buf, size_t size) { struct i2c_client *c = m->client; - u8 buff[6]; int err; - err = i2c_smbus_read_i2c_block_data(c, MMA8450_OUT_X_LSB, 6, buff); + err = i2c_smbus_read_i2c_block_data(c, off, size, buf); if (err < 0) { dev_err(&c->dev, "failed to read block data at 0x%02x, error %d\n", @@ -102,10 +102,6 @@ static int mma8450_read_xyz(struct mma8450 *m, int *x, int *y, int *z) return err; } - *x = ((buff[1] << 4) & 0xff0) | (buff[0] & 0xf); - *y = ((buff[3] << 4) & 0xff0) | (buff[2] & 0xf); - *z = ((buff[5] << 4) & 0xff0) | (buff[4] & 0xf); - return 0; } @@ -114,7 +110,7 @@ static void mma8450_poll(struct input_polled_dev *dev) struct mma8450 *m = dev->private; int x, y, z; int ret; - int err; + u8 buf[6]; ret = mma8450_read(m, MMA8450_STATUS); if (ret < 0) @@ -123,10 +119,14 @@ static void mma8450_poll(struct input_polled_dev *dev) if (!(ret & MMA8450_STATUS_ZXYDR)) return; - err = mma8450_read_xyz(m, &x, &y, &z); - if (err) + ret = mma8450_read_block(m, MMA8450_OUT_X_LSB, buf, sizeof(buf)); + if (ret < 0) return; + x = ((buf[1] << 4) & 0xff0) | (buf[0] & 0xf); + y = ((buf[3] << 4) & 0xff0) | (buf[2] & 0xf); + z = ((buf[5] << 4) & 0xff0) | (buf[4] & 0xf); + input_report_abs(dev->input, ABS_X, x); input_report_abs(dev->input, ABS_Y, y); input_report_abs(dev->input, ABS_Z, z); diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c new file mode 100644 index 0000000..4319293 --- /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/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c index 2c8b84d..2be2169 100644 --- a/drivers/input/misc/rotary_encoder.c +++ b/drivers/input/misc/rotary_encoder.c @@ -7,7 +7,7 @@ * state machine code inspired by code from Tim Ruetz * * A generic driver for rotary encoders connected to GPIO lines. - * See file:Documentation/input/rotary_encoder.txt for more information + * See file:Documentation/input/rotary-encoder.txt for more information * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c index c43002e..ad153a4 100644 --- a/drivers/input/misc/twl6040-vibra.c +++ b/drivers/input/misc/twl6040-vibra.c @@ -74,12 +74,12 @@ static irqreturn_t twl6040_vib_irq_handler(int irq, void *data) if (status & TWL6040_VIBLOCDET) { dev_warn(info->dev, "Left Vibrator overcurrent detected\n"); twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLL, - TWL6040_VIBENAL); + TWL6040_VIBENA); } if (status & TWL6040_VIBROCDET) { dev_warn(info->dev, "Right Vibrator overcurrent detected\n"); twl6040_clear_bits(twl6040, TWL6040_REG_VIBCTLR, - TWL6040_VIBENAR); + TWL6040_VIBENA); } return IRQ_HANDLED; @@ -97,23 +97,23 @@ static void twl6040_vibra_enable(struct vibra_info *info) } twl6040_power(info->twl6040, 1); - if (twl6040->rev <= TWL6040_REV_ES1_1) { + if (twl6040_get_revid(twl6040) <= TWL6040_REV_ES1_1) { /* * ERRATA: Disable overcurrent protection for at least * 3ms when enabling vibrator drivers to avoid false * overcurrent detection */ twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, - TWL6040_VIBENAL | TWL6040_VIBCTRLL); + TWL6040_VIBENA | TWL6040_VIBCTRL); twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, - TWL6040_VIBENAR | TWL6040_VIBCTRLR); + TWL6040_VIBENA | TWL6040_VIBCTRL); usleep_range(3000, 3500); } twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL, - TWL6040_VIBENAL); + TWL6040_VIBENA); twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR, - TWL6040_VIBENAR); + TWL6040_VIBENA); info->enabled = true; } @@ -201,6 +201,13 @@ static int vibra_play(struct input_dev *input, void *data, struct vibra_info *info = input_get_drvdata(input); int ret; + /* Do not allow effect, while the routing is set to use audio */ + ret = twl6040_get_vibralr_status(info->twl6040); + if (ret & TWL6040_VIBSEL) { + dev_info(&input->dev, "Vibra is configured for audio\n"); + return -EBUSY; + } + info->weak_speed = effect->u.rumble.weak_magnitude; info->strong_speed = effect->u.rumble.strong_magnitude; info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1; @@ -228,7 +235,7 @@ static void twl6040_vibra_close(struct input_dev *input) mutex_unlock(&info->mutex); } -#if CONFIG_PM_SLEEP +#ifdef CONFIG_PM_SLEEP static int twl6040_vibra_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); |