diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
commit | e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch) | |
tree | 1db5a0540a4eecfad9b7daee476b985e82ddc810 /drivers/input/misc | |
parent | ec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff) | |
parent | b2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff) |
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I
suspect now need another rename.
Conflicts:
arch/arm/mach-mx2/clock_imx27.c
arch/arm/mach-mx2/devices.c
arch/arm/mach-omap2/board-rx51-peripherals.c
arch/arm/mach-omap2/board-zoom2.c
sound/soc/fsl/mpc5200_dma.c
sound/soc/fsl/mpc5200_dma.h
sound/soc/fsl/mpc8610_hpcd.c
sound/soc/pxa/spitz.c
Diffstat (limited to 'drivers/input/misc')
-rw-r--r-- | drivers/input/misc/Kconfig | 48 | ||||
-rw-r--r-- | drivers/input/misc/Makefile | 4 | ||||
-rw-r--r-- | drivers/input/misc/ad714x-i2c.c | 1 | ||||
-rw-r--r-- | drivers/input/misc/ad714x.c | 2 | ||||
-rw-r--r-- | drivers/input/misc/adxl34x-i2c.c | 163 | ||||
-rw-r--r-- | drivers/input/misc/adxl34x-spi.c | 145 | ||||
-rw-r--r-- | drivers/input/misc/adxl34x.c | 914 | ||||
-rw-r--r-- | drivers/input/misc/adxl34x.h | 30 | ||||
-rw-r--r-- | drivers/input/misc/ati_remote2.c | 26 | ||||
-rw-r--r-- | drivers/input/misc/atlas_btns.c | 38 | ||||
-rw-r--r-- | drivers/input/misc/hp_sdc_rtc.c | 2 | ||||
-rw-r--r-- | drivers/input/misc/ixp4xx-beeper.c | 3 | ||||
-rw-r--r-- | drivers/input/misc/pcf8574_keypad.c | 4 | ||||
-rw-r--r-- | drivers/input/misc/pwm-beeper.c | 199 | ||||
-rw-r--r-- | drivers/input/misc/sparcspkr.c | 22 | ||||
-rw-r--r-- | drivers/input/misc/twl4030-pwrbutton.c | 12 | ||||
-rw-r--r-- | drivers/input/misc/uinput.c | 29 | ||||
-rw-r--r-- | drivers/input/misc/wistron_btns.c | 4 |
18 files changed, 1576 insertions, 70 deletions
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index c44b9eafc55..b49e2337972 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -327,6 +327,17 @@ config INPUT_PCF8574 To compile this driver as a module, choose M here: the module will be called pcf8574_keypad. +config INPUT_PWM_BEEPER + tristate "PWM beeper support" + depends on HAVE_PWM + help + Say Y here to get support for PWM based beeper devices. + + If unsure, say N. + + To compile this driver as a module, choose M here: the module will be + called pwm-beeper. + config INPUT_GPIO_ROTARY_ENCODER tristate "Rotary encoders connected to GPIO pins" depends on GPIOLIB && GENERIC_GPIO @@ -390,4 +401,41 @@ config INPUT_PCAP To compile this driver as a module, choose M here: the module will be called pcap_keys. +config INPUT_ADXL34X + tristate "Analog Devices ADXL34x Three-Axis Digital Accelerometer" + default n + help + Say Y here if you have a Accelerometer interface using the + ADXL345/6 controller, and your board-specific initialization + code includes that in its table of devices. + + This driver can use either I2C or SPI communication to the + ADXL345/6 controller. Select the appropriate method for + your system. + + If unsure, say N (but it's safe to say "Y"). + + To compile this driver as a module, choose M here: the + module will be called adxl34x. + +config INPUT_ADXL34X_I2C + tristate "support I2C bus connection" + depends on INPUT_ADXL34X && I2C + default y + help + Say Y here if you have ADXL345/6 hooked to an I2C bus. + + To compile this driver as a module, choose M here: the + module will be called adxl34x-i2c. + +config INPUT_ADXL34X_SPI + tristate "support SPI bus connection" + depends on INPUT_ADXL34X && SPI + default y + help + Say Y here if you have ADXL345/6 hooked to a SPI bus. + + To compile this driver as a module, choose M here: the + module will be called adxl34x-spi. + endif diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 71fe57d8023..19ccca78fa7 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -8,6 +8,9 @@ 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-$(CONFIG_INPUT_ADXL34X) += adxl34x.o +obj-$(CONFIG_INPUT_ADXL34X_I2C) += adxl34x-i2c.o +obj-$(CONFIG_INPUT_ADXL34X_SPI) += adxl34x-spi.o obj-$(CONFIG_INPUT_APANEL) += apanel.o obj-$(CONFIG_INPUT_ATI_REMOTE) += ati_remote.o obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o @@ -26,6 +29,7 @@ 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-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o obj-$(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 e9adbe49f6a..2bef8fa56c9 100644 --- a/drivers/input/misc/ad714x-i2c.c +++ b/drivers/input/misc/ad714x-i2c.c @@ -97,7 +97,6 @@ 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; } diff --git a/drivers/input/misc/ad714x.c b/drivers/input/misc/ad714x.c index 0fe27baf5e7..c431d09e401 100644 --- a/drivers/input/misc/ad714x.c +++ b/drivers/input/misc/ad714x.c @@ -1118,7 +1118,7 @@ struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, if (error) goto err_free_mem; - /* initilize and request sw/hw resources */ + /* initialize and request sw/hw resources */ ad714x_hw_init(ad714x); mutex_init(&ad714x->mutex); diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c new file mode 100644 index 00000000000..0779724af7e --- /dev/null +++ b/drivers/input/misc/adxl34x-i2c.c @@ -0,0 +1,163 @@ +/* + * ADLX345/346 Three-Axis Digital Accelerometers (I2C Interface) + * + * Enter bugs at http://blackfin.uclinux.org/ + * + * Copyright (C) 2009 Michael Hennerich, 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 "adxl34x.h" + +static int adxl34x_smbus_read(struct device *dev, unsigned char reg) +{ + struct i2c_client *client = to_i2c_client(dev); + + return i2c_smbus_read_byte_data(client, reg); +} + +static int adxl34x_smbus_write(struct device *dev, + unsigned char reg, unsigned char val) +{ + struct i2c_client *client = to_i2c_client(dev); + + return i2c_smbus_write_byte_data(client, reg, val); +} + +static int adxl34x_smbus_read_block(struct device *dev, + unsigned char reg, int count, + void *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + + return i2c_smbus_read_i2c_block_data(client, reg, count, buf); +} + +static int adxl34x_i2c_read_block(struct device *dev, + unsigned char reg, int count, + void *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + int ret; + + ret = i2c_master_send(client, ®, 1); + if (ret < 0) + return ret; + + ret = i2c_master_recv(client, buf, count); + if (ret < 0) + return ret; + + if (ret != count) + return -EIO; + + return 0; +} + +static const struct adxl34x_bus_ops adxl34x_smbus_bops = { + .bustype = BUS_I2C, + .write = adxl34x_smbus_write, + .read = adxl34x_smbus_read, + .read_block = adxl34x_smbus_read_block, +}; + +static const struct adxl34x_bus_ops adxl34x_i2c_bops = { + .bustype = BUS_I2C, + .write = adxl34x_smbus_write, + .read = adxl34x_smbus_read, + .read_block = adxl34x_i2c_read_block, +}; + +static int __devinit adxl34x_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adxl34x *ac; + int error; + + error = i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_BYTE_DATA); + if (!error) { + dev_err(&client->dev, "SMBUS Byte Data not Supported\n"); + return -EIO; + } + + ac = adxl34x_probe(&client->dev, client->irq, false, + i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_READ_I2C_BLOCK) ? + &adxl34x_smbus_bops : &adxl34x_i2c_bops); + if (IS_ERR(ac)) + return PTR_ERR(ac); + + i2c_set_clientdata(client, ac); + + return 0; +} + +static int __devexit adxl34x_i2c_remove(struct i2c_client *client) +{ + struct adxl34x *ac = i2c_get_clientdata(client); + + return adxl34x_remove(ac); +} + +#ifdef CONFIG_PM +static int adxl34x_i2c_suspend(struct i2c_client *client, pm_message_t message) +{ + struct adxl34x *ac = i2c_get_clientdata(client); + + adxl34x_suspend(ac); + + return 0; +} + +static int adxl34x_i2c_resume(struct i2c_client *client) +{ + struct adxl34x *ac = i2c_get_clientdata(client); + + adxl34x_resume(ac); + + return 0; +} +#else +# define adxl34x_i2c_suspend NULL +# define adxl34x_i2c_resume NULL +#endif + +static const struct i2c_device_id adxl34x_id[] = { + { "adxl34x", 0 }, + { } +}; + +MODULE_DEVICE_TABLE(i2c, adxl34x_id); + +static struct i2c_driver adxl34x_driver = { + .driver = { + .name = "adxl34x", + .owner = THIS_MODULE, + }, + .probe = adxl34x_i2c_probe, + .remove = __devexit_p(adxl34x_i2c_remove), + .suspend = adxl34x_i2c_suspend, + .resume = adxl34x_i2c_resume, + .id_table = adxl34x_id, +}; + +static int __init adxl34x_i2c_init(void) +{ + return i2c_add_driver(&adxl34x_driver); +} +module_init(adxl34x_i2c_init); + +static void __exit adxl34x_i2c_exit(void) +{ + i2c_del_driver(&adxl34x_driver); +} +module_exit(adxl34x_i2c_exit); + +MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); +MODULE_DESCRIPTION("ADXL345/346 Three-Axis Digital Accelerometer I2C Bus Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/misc/adxl34x-spi.c b/drivers/input/misc/adxl34x-spi.c new file mode 100644 index 00000000000..782de9e8982 --- /dev/null +++ b/drivers/input/misc/adxl34x-spi.c @@ -0,0 +1,145 @@ +/* + * ADLX345/346 Three-Axis Digital Accelerometers (SPI Interface) + * + * Enter bugs at http://blackfin.uclinux.org/ + * + * Copyright (C) 2009 Michael Hennerich, Analog Devices Inc. + * Licensed under the GPL-2 or later. + */ + +#include <linux/input.h> /* BUS_SPI */ +#include <linux/module.h> +#include <linux/spi/spi.h> +#include <linux/types.h> +#include "adxl34x.h" + +#define MAX_SPI_FREQ_HZ 5000000 +#define MAX_FREQ_NO_FIFODELAY 1500000 +#define ADXL34X_CMD_MULTB (1 << 6) +#define ADXL34X_CMD_READ (1 << 7) +#define ADXL34X_WRITECMD(reg) (reg & 0x3F) +#define ADXL34X_READCMD(reg) (ADXL34X_CMD_READ | (reg & 0x3F)) +#define ADXL34X_READMB_CMD(reg) (ADXL34X_CMD_READ | ADXL34X_CMD_MULTB \ + | (reg & 0x3F)) + +static int adxl34x_spi_read(struct device *dev, unsigned char reg) +{ + struct spi_device *spi = to_spi_device(dev); + unsigned char cmd; + + cmd = ADXL34X_READCMD(reg); + + return spi_w8r8(spi, cmd); +} + +static int adxl34x_spi_write(struct device *dev, + unsigned char reg, unsigned char val) +{ + struct spi_device *spi = to_spi_device(dev); + unsigned char buf[2]; + + buf[0] = ADXL34X_WRITECMD(reg); + buf[1] = val; + + return spi_write(spi, buf, sizeof(buf)); +} + +static int adxl34x_spi_read_block(struct device *dev, + unsigned char reg, int count, + void *buf) +{ + struct spi_device *spi = to_spi_device(dev); + ssize_t status; + + reg = ADXL34X_READMB_CMD(reg); + status = spi_write_then_read(spi, ®, 1, buf, count); + + return (status < 0) ? status : 0; +} + +static const struct adxl34x_bus_ops adx134x_spi_bops = { + .bustype = BUS_SPI, + .write = adxl34x_spi_write, + .read = adxl34x_spi_read, + .read_block = adxl34x_spi_read_block, +}; + +static int __devinit adxl34x_spi_probe(struct spi_device *spi) +{ + struct adxl34x *ac; + + /* don't exceed max specified SPI CLK frequency */ + if (spi->max_speed_hz > MAX_SPI_FREQ_HZ) { + dev_err(&spi->dev, "SPI CLK %d Hz too fast\n", spi->max_speed_hz); + return -EINVAL; + } + + ac = adxl34x_probe(&spi->dev, spi->irq, + spi->max_speed_hz > MAX_FREQ_NO_FIFODELAY, + &adx134x_spi_bops); + + if (IS_ERR(ac)) + return PTR_ERR(ac); + + spi_set_drvdata(spi, ac); + + return 0; +} + +static int __devexit adxl34x_spi_remove(struct spi_device *spi) +{ + struct adxl34x *ac = dev_get_drvdata(&spi->dev); + + return adxl34x_remove(ac); +} + +#ifdef CONFIG_PM +static int adxl34x_spi_suspend(struct spi_device *spi, pm_message_t message) +{ + struct adxl34x *ac = dev_get_drvdata(&spi->dev); + + adxl34x_suspend(ac); + + return 0; +} + +static int adxl34x_spi_resume(struct spi_device *spi) +{ + struct adxl34x *ac = dev_get_drvdata(&spi->dev); + + adxl34x_resume(ac); + + return 0; +} +#else +# define adxl34x_spi_suspend NULL +# define adxl34x_spi_resume NULL +#endif + +static struct spi_driver adxl34x_driver = { + .driver = { + .name = "adxl34x", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = adxl34x_spi_probe, + .remove = __devexit_p(adxl34x_spi_remove), + .suspend = adxl34x_spi_suspend, + .resume = adxl34x_spi_resume, +}; + +static int __init adxl34x_spi_init(void) +{ + return spi_register_driver(&adxl34x_driver); +} +module_init(adxl34x_spi_init); + +static void __exit adxl34x_spi_exit(void) +{ + spi_unregister_driver(&adxl34x_driver); +} +module_exit(adxl34x_spi_exit); + +MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); +MODULE_DESCRIPTION("ADXL345/346 Three-Axis Digital Accelerometer SPI Bus Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c new file mode 100644 index 00000000000..de5900d5078 --- /dev/null +++ b/drivers/input/misc/adxl34x.c @@ -0,0 +1,914 @@ +/* + * ADXL345/346 Three-Axis Digital Accelerometers + * + * Enter bugs at http://blackfin.uclinux.org/ + * + * Copyright (C) 2009 Michael Hennerich, Analog Devices Inc. + * Licensed under the GPL-2 or later. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/slab.h> +#include <linux/workqueue.h> +#include <linux/input/adxl34x.h> + +#include "adxl34x.h" + +/* ADXL345/6 Register Map */ +#define DEVID 0x00 /* R Device ID */ +#define THRESH_TAP 0x1D /* R/W Tap threshold */ +#define OFSX 0x1E /* R/W X-axis offset */ +#define OFSY 0x1F /* R/W Y-axis offset */ +#define OFSZ 0x20 /* R/W Z-axis offset */ +#define DUR 0x21 /* R/W Tap duration */ +#define LATENT 0x22 /* R/W Tap latency */ +#define WINDOW 0x23 /* R/W Tap window */ +#define THRESH_ACT 0x24 /* R/W Activity threshold */ +#define THRESH_INACT 0x25 /* R/W Inactivity threshold */ +#define TIME_INACT 0x26 /* R/W Inactivity time */ +#define ACT_INACT_CTL 0x27 /* R/W Axis enable control for activity and */ + /* inactivity detection */ +#define THRESH_FF 0x28 /* R/W Free-fall threshold */ +#define TIME_FF 0x29 /* R/W Free-fall time */ +#define TAP_AXES 0x2A /* R/W Axis control for tap/double tap */ +#define ACT_TAP_STATUS 0x2B /* R Source of tap/double tap */ +#define BW_RATE 0x2C /* R/W Data rate and power mode control */ +#define POWER_CTL 0x2D /* R/W Power saving features control */ +#define INT_ENABLE 0x2E /* R/W Interrupt enable control */ +#define INT_MAP 0x2F /* R/W Interrupt mapping control */ +#define INT_SOURCE 0x30 /* R Source of interrupts */ +#define DATA_FORMAT 0x31 /* R/W Data format control */ +#define DATAX0 0x32 /* R X-Axis Data 0 */ +#define DATAX1 0x33 /* R X-Axis Data 1 */ +#define DATAY0 0x34 /* R Y-Axis Data 0 */ +#define DATAY1 0x35 /* R Y-Axis Data 1 */ +#define DATAZ0 0x36 /* R Z-Axis Data 0 */ +#define DATAZ1 0x37 /* R Z-Axis Data 1 */ +#define FIFO_CTL 0x38 /* R/W FIFO control */ +#define FIFO_STATUS 0x39 /* R FIFO status */ +#define TAP_SIGN 0x3A /* R Sign and source for tap/double tap */ +/* Orientation ADXL346 only */ +#define ORIENT_CONF 0x3B /* R/W Orientation configuration */ +#define ORIENT 0x3C /* R Orientation status */ + +/* DEVIDs */ +#define ID_ADXL345 0xE5 +#define ID_ADXL346 0xE6 + +/* INT_ENABLE/INT_MAP/INT_SOURCE Bits */ +#define DATA_READY (1 << 7) +#define SINGLE_TAP (1 << 6) +#define DOUBLE_TAP (1 << 5) +#define ACTIVITY (1 << 4) +#define INACTIVITY (1 << 3) +#define FREE_FALL (1 << 2) +#define WATERMARK (1 << 1) +#define OVERRUN (1 << 0) + +/* ACT_INACT_CONTROL Bits */ +#define ACT_ACDC (1 << 7) +#define ACT_X_EN (1 << 6) +#define ACT_Y_EN (1 << 5) +#define ACT_Z_EN (1 << 4) +#define INACT_ACDC (1 << 3) +#define INACT_X_EN (1 << 2) +#define INACT_Y_EN (1 << 1) +#define INACT_Z_EN (1 << 0) + +/* TAP_AXES Bits */ +#define SUPPRESS (1 << 3) +#define TAP_X_EN (1 << 2) +#define TAP_Y_EN (1 << 1) +#define TAP_Z_EN (1 << 0) + +/* ACT_TAP_STATUS Bits */ +#define ACT_X_SRC (1 << 6) +#define ACT_Y_SRC (1 << 5) +#define ACT_Z_SRC (1 << 4) +#define ASLEEP (1 << 3) +#define TAP_X_SRC (1 << 2) +#define TAP_Y_SRC (1 << 1) +#define TAP_Z_SRC (1 << 0) + +/* BW_RATE Bits */ +#define LOW_POWER (1 << 4) +#define RATE(x) ((x) & 0xF) + +/* POWER_CTL Bits */ +#define PCTL_LINK (1 << 5) +#define PCTL_AUTO_SLEEP (1 << 4) +#define PCTL_MEASURE (1 << 3) +#define PCTL_SLEEP (1 << 2) +#define PCTL_WAKEUP(x) ((x) & 0x3) + +/* DATA_FORMAT Bits */ +#define SELF_TEST (1 << 7) +#define SPI (1 << 6) +#define INT_INVERT (1 << 5) +#define FULL_RES (1 << 3) +#define JUSTIFY (1 << 2) +#define RANGE(x) ((x) & 0x3) +#define RANGE_PM_2g 0 +#define RANGE_PM_4g 1 +#define RANGE_PM_8g 2 +#define RANGE_PM_16g 3 + +/* + * Maximum value our axis may get in full res mode for the input device + * (signed 13 bits) + */ +#define ADXL_FULLRES_MAX_VAL 4096 + +/* + * Maximum value our axis may get in fixed res mode for the input device + * (signed 10 bits) + */ +#define ADXL_FIXEDRES_MAX_VAL 512 + +/* FIFO_CTL Bits */ +#define FIFO_MODE(x) (((x) & 0x3) << 6) +#define FIFO_BYPASS 0 +#define FIFO_FIFO 1 +#define FIFO_STREAM 2 +#define FIFO_TRIGGER 3 +#define TRIGGER (1 << 5) +#define SAMPLES(x) ((x) & 0x1F) + +/* FIFO_STATUS Bits */ +#define FIFO_TRIG (1 << 7) +#define ENTRIES(x) ((x) & 0x3F) + +/* TAP_SIGN Bits ADXL346 only */ +#define XSIGN (1 << 6) +#define YSIGN (1 << 5) +#define ZSIGN (1 << 4) +#define XTAP (1 << 3) +#define YTAP (1 << 2) +#define ZTAP (1 << 1) + +/* ORIENT_CONF ADXL346 only */ +#define ORIENT_DEADZONE(x) (((x) & 0x7) << 4) +#define ORIENT_DIVISOR(x) ((x) & 0x7) + +/* ORIENT ADXL346 only */ +#define ADXL346_2D_VALID (1 << 6) +#define ADXL346_2D_ORIENT(x) (((x) & 0x3) >> 4) +#define ADXL346_3D_VALID (1 << 3) +#define ADXL346_3D_ORIENT(x) ((x) & 0x7) +#define ADXL346_2D_PORTRAIT_POS 0 /* +X */ +#define ADXL346_2D_PORTRAIT_NEG 1 /* -X */ +#define ADXL346_2D_LANDSCAPE_POS 2 /* +Y */ +#define ADXL346_2D_LANDSCAPE_NEG 3 /* -Y */ + +#define ADXL346_3D_FRONT 3 /* +X */ +#define ADXL346_3D_BACK 4 /* -X */ +#define ADXL346_3D_RIGHT 2 /* +Y */ +#define ADXL346_3D_LEFT 5 /* -Y */ +#define ADXL346_3D_TOP 1 /* +Z */ +#define ADXL346_3D_BOTTOM 6 /* -Z */ + +#undef ADXL_DEBUG + +#define ADXL_X_AXIS 0 +#define ADXL_Y_AXIS 1 +#define ADXL_Z_AXIS 2 + +#define AC_READ(ac, reg) ((ac)->bops->read((ac)->dev, reg)) +#define AC_WRITE(ac, reg, val) ((ac)->bops->write((ac)->dev, reg, val)) + +struct axis_triple { + int x; + int y; + int z; +}; + +struct adxl34x { + struct device *dev; + struct input_dev *input; + struct mutex mutex; /* reentrant protection for struct */ + struct adxl34x_platform_data pdata; + struct axis_triple swcal; + struct axis_triple hwcal; + struct axis_triple saved; + char phys[32]; + unsigned orient2d_saved; + unsigned orient3d_saved; + bool disabled; /* P: mutex */ + bool opened; /* P: mutex */ + bool suspended; /* P: mutex */ + bool fifo_delay; + int irq; + unsigned model; + unsigned int_mask; + + const struct adxl34x_bus_ops *bops; +}; + +static const struct adxl34x_platform_data adxl34x_default_init = { + .tap_threshold = 35, + .tap_duration = 3, + .tap_latency = 20, + .tap_window = 20, + .tap_axis_control = ADXL_TAP_X_EN | ADXL_TAP_Y_EN | ADXL_TAP_Z_EN, + .act_axis_control = 0xFF, + .activity_threshold = 6, + .inactivity_threshold = 4, + .inactivity_time = 3, + .free_fall_threshold = 8, + .free_fall_time = 0x20, + .data_rate = 8, + .data_range = ADXL_FULL_RES, + + .ev_type = EV_ABS, + .ev_code_x = ABS_X, /* EV_REL */ + .ev_code_y = ABS_Y, /* EV_REL */ + .ev_code_z = ABS_Z, /* EV_REL */ + + .ev_code_tap = {BTN_TOUCH, BTN_TOUCH, BTN_TOUCH}, /* EV_KEY {x,y,z} */ + .power_mode = ADXL_AUTO_SLEEP | ADXL_LINK, + .fifo_mode = FIFO_STREAM, + .watermark = 0, +}; + +static void adxl34x_get_triple(struct adxl34x *ac, struct axis_triple *axis) +{ + short buf[3]; + + ac->bops->read_block(ac->dev, DATAX0, DATAZ1 - DATAX0 + 1, buf); + + mutex_lock(&ac->mutex); + ac->saved.x = (s16) le16_to_cpu(buf[0]); + axis->x = ac->saved.x; + + ac->saved.y = (s16) le16_to_cpu(buf[1]); + axis->y = ac->saved.y; + + ac->saved.z = (s16) le16_to_cpu(buf[2]); + axis->z = ac->saved.z; + mutex_unlock(&ac->mutex); +} + +static void adxl34x_service_ev_fifo(struct adxl34x *ac) +{ + struct adxl34x_platform_data *pdata = &ac->pdata; + struct axis_triple axis; + + adxl34x_get_triple(ac, &axis); + + input_event(ac->input, pdata->ev_type, pdata->ev_code_x, + axis.x - ac->swcal.x); + input_event(ac->input, pdata->ev_type, pdata->ev_code_y, + axis.y - ac->swcal.y); + input_event(ac->input, pdata->ev_type, pdata->ev_code_z, + axis.z - ac->swcal.z); +} + +static void adxl34x_report_key_single(struct input_dev *input, int key) +{ + input_report_key(input, key, true); + input_sync(input); + input_report_key(input, key, false); +} + +static void adxl34x_send_key_events(struct adxl34x *ac, + struct adxl34x_platform_data *pdata, int status, int press) +{ + int i; + + for (i = ADXL_X_AXIS; i <= ADXL_Z_AXIS; i++) { + if (status & (1 << (ADXL_Z_AXIS - i))) + input_report_key(ac->input, + pdata->ev_code_tap[i], press); + } +} + +static void adxl34x_do_tap(struct adxl34x *ac, + struct adxl34x_platform_data *pdata, int status) +{ + adxl34x_send_key_events(ac, pdata, status, true); + input_sync(ac->input); + adxl34x_send_key_events(ac, pdata, status, false); +} + +static irqreturn_t adxl34x_irq(int irq, void *handle) +{ + struct adxl34x *ac = handle; + struct adxl34x_platform_data *pdata = &ac->pdata; + int int_stat, tap_stat, samples, orient, orient_code; + + /* + * ACT_TAP_STATUS should be read before clearing the interrupt + * Avoid reading ACT_TAP_STATUS in case TAP detection is disabled + */ + + if (pdata->tap_axis_control & (TAP_X_EN | TAP_Y_EN | TAP_Z_EN)) + tap_stat = AC_READ(ac, ACT_TAP_STATUS); + else + tap_stat = 0; + + int_stat = AC_READ(ac, INT_SOURCE); + + if (int_stat & FREE_FALL) + adxl34x_report_key_single(ac->input, pdata->ev_code_ff); + + if (int_stat & OVERRUN) + dev_dbg(ac->dev, "OVERRUN\n"); + + if (int_stat & (SINGLE_TAP | DOUBLE_TAP)) { + adxl34x_do_tap(ac, pdata, tap_stat); + + if (int_stat & DOUBLE_TAP) + adxl34x_do_tap(ac, pdata, tap_stat); + } + + if (pdata->ev_code_act_inactivity) { + if (int_stat & ACTIVITY) + input_report_key(ac->input, + pdata->ev_code_act_inactivity, 1); + if (int_stat & INACTIVITY) + input_report_key(ac->input, + pdata->ev_code_act_inactivity, 0); + } + + /* + * ORIENTATION SENSING ADXL346 only + */ + if (pdata->orientation_enable) { + orient = AC_READ(ac, ORIENT); + if ((pdata->orientation_enable & ADXL_EN_ORIENTATION_2D) && + (orient & ADXL346_2D_VALID)) { + + orient_code = ADXL346_2D_ORIENT(orient); + /* Report orientation only when it changes */ + if (ac->orient2d_saved != orient_code) { + ac->orient2d_saved = orient_code; + adxl34x_report_key_single(ac->input, + pdata->ev_codes_orient_2d[orient_code]); + } + } + + if ((pdata->orientation_enable & ADXL_EN_ORIENTATION_3D) && + (orient & ADXL346_3D_VALID)) { + + orient_code = ADXL346_3D_ORIENT(orient) - 1; + /* Report orientation only when it changes */ + if (ac->orient3d_saved != orient_code) { + ac->orient3d_saved = orient_code; + adxl34x_report_key_single(ac->input, + pdata->ev_codes_orient_3d[orient_code]); + } + } + } + + if (int_stat & (DATA_READY | WATERMARK)) { + + if (pdata->fifo_mode) + samples = ENTRIES(AC_READ(ac, FIFO_STATUS)) + 1; + else + samples = 1; + + for (; samples > 0; samples--) { + adxl34x_service_ev_fifo(ac); + /* + * To ensure that the FIFO has + * completely popped, there must be at least 5 us between + * the end of reading the data registers, signified by the + * transition to register 0x38 from 0x37 or the CS pin + * going high, and the start of new reads of the FIFO or + * reading the FIFO_STATUS register. For SPI operation at + * 1.5 MHz or lower, the register addressing portion of the + * transmission is sufficient delay to ensure the FIFO has + * completely popped. It is necessary for SPI operation + * greater than 1.5 MHz to de-assert the CS pin to ensure a + * total of 5 us, which is at most 3.4 us at 5 MHz + * operation. + */ + if (ac->fifo_delay && (samples > 1)) + udelay(3); + } + } + + input_sync(ac->input); + + return IRQ_HANDLED; +} + +static void __adxl34x_disable(struct adxl34x *ac) +{ + /* + * A '0' places the ADXL34x into standby mode + * with minimum power consumption. + */ + AC_WRITE(ac, POWER_CTL, 0); +} + +static void __adxl34x_enable(struct adxl34x *ac) +{ + AC_WRITE(ac, POWER_CTL, ac->pdata.power_mode | PCTL_MEASURE); +} + +void adxl34x_suspend(struct adxl34x *ac) +{ + mutex_lock(&ac->mutex); + + if (!ac->suspended && !ac->disabled && ac->opened) + __adxl34x_disable(ac); + + ac->suspended = true; + + mutex_unlock(&ac->mutex); +} +EXPORT_SYMBOL_GPL(adxl34x_suspend); + +void adxl34x_resume(struct adxl34x *ac) +{ + mutex_lock(&ac->mutex); + + if (ac->suspended && !ac->disabled && ac->opened) + __adxl34x_enable(ac); + + ac->suspended = false; + + mutex_unlock(&ac->mutex); +} +EXPORT_SYMBOL_GPL(adxl34x_resume); + +static ssize_t adxl34x_disable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + + return sprintf(buf, "%u\n", ac->disabled); +} + +static ssize_t adxl34x_disable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + unsigned long val; + int error; + + error = strict_strtoul(buf, 10, &val); + if (error) + return error; + + mutex_lock(&ac->mutex); + + if (!ac->suspended && ac->opened) { + if (val) { + if (!ac->disabled) + __adxl34x_disable(ac); + } else { + if (ac->disabled) + __adxl34x_enable(ac); + } + } + + ac->disabled = !!val; + + mutex_unlock(&ac->mutex); + + return count; +} + +static DEVICE_ATTR(disable, 0664, adxl34x_disable_show, adxl34x_disable_store); + +static ssize_t adxl34x_calibrate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + ssize_t count; + + mutex_lock(&ac->mutex); + count = sprintf(buf, "%d,%d,%d\n", + ac->hwcal.x * 4 + ac->swcal.x, + ac->hwcal.y * 4 + ac->swcal.y, + ac->hwcal.z * 4 + ac->swcal.z); + mutex_unlock(&ac->mutex); + + return count; +} + +static ssize_t adxl34x_calibrate_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + + /* + * Hardware offset calibration has a resolution of 15.6 mg/LSB. + * We use HW calibration and handle the remaining bits in SW. (4mg/LSB) + */ + + mutex_lock(&ac->mutex); + ac->hwcal.x -= (ac->saved.x / 4); + ac->swcal.x = ac->saved.x % 4; + + ac->hwcal.y -= (ac->saved.y / 4); + ac->swcal.y = ac->saved.y % 4; + + ac->hwcal.z -= (ac->saved.z / 4); + ac->swcal.z = ac->saved.z % 4; + + AC_WRITE(ac, OFSX, (s8) ac->hwcal.x); + AC_WRITE(ac, OFSY, (s8) ac->hwcal.y); + AC_WRITE(ac, OFSZ, (s8) ac->hwcal.z); + mutex_unlock(&ac->mutex); + + return count; +} + +static DEVICE_ATTR(calibrate, 0664, + adxl34x_calibrate_show, adxl34x_calibrate_store); + +static ssize_t adxl34x_rate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + + return sprintf(buf, "%u\n", RATE(ac->pdata.data_rate)); +} + +static ssize_t adxl34x_rate_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + unsigned long val; + int error; + + error = strict_strtoul(buf, 10, &val); + if (error) + return error; + + mutex_lock(&ac->mutex); + + ac->pdata.data_rate = RATE(val); + AC_WRITE(ac, BW_RATE, + ac->pdata.data_rate | + (ac->pdata.low_power_mode ? LOW_POWER : 0)); + + mutex_unlock(&ac->mutex); + + return count; +} + +static DEVICE_ATTR(rate, 0664, adxl34x_rate_show, adxl34x_rate_store); + +static ssize_t adxl34x_autosleep_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + + return sprintf(buf, "%u\n", + ac->pdata.power_mode & (PCTL_AUTO_SLEEP | PCTL_LINK) ? 1 : 0); +} + +static ssize_t adxl34x_autosleep_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + unsigned long val; + int error; + + error = strict_strtoul(buf, 10, &val); + if (error) + return error; + + mutex_lock(&ac->mutex); + + if (val) + ac->pdata.power_mode |= (PCTL_AUTO_SLEEP | PCTL_LINK); + else + ac->pdata.power_mode &= ~(PCTL_AUTO_SLEEP | PCTL_LINK); + + if (!ac->disabled && !ac->suspended && ac->opened) + AC_WRITE(ac, POWER_CTL, ac->pdata.power_mode | PCTL_MEASURE); + + mutex_unlock(&ac->mutex); + + return count; +} + +static DEVICE_ATTR(autosleep, 0664, + adxl34x_autosleep_show, adxl34x_autosleep_store); + +static ssize_t adxl34x_position_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + ssize_t count; + + mutex_lock(&ac->mutex); + count = sprintf(buf, "(%d, %d, %d)\n", + ac->saved.x, ac->saved.y, ac->saved.z); + mutex_unlock(&ac->mutex); + + return count; +} + +static DEVICE_ATTR(position, S_IRUGO, adxl34x_position_show, NULL); + +#ifdef ADXL_DEBUG +static ssize_t adxl34x_write_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct adxl34x *ac = dev_get_drvdata(dev); + unsigned long val; + int error; + + /* + * This allows basic ADXL register write access for debug purposes. + */ + error = strict_strtoul(buf, 16, &val); + if (error) + return error; + + mutex_lock(&ac->mutex); + AC_WRITE(ac, val >> 8, val & 0xFF); + mutex_unlock(&ac->mutex); + + return count; +} + +static DEVICE_ATTR(write, 0664, NULL, adxl34x_write_store); +#endif + +static struct attribute *adxl34x_attributes[] = { + &dev_attr_disable.attr, + &dev_attr_calibrate.attr, + &dev_attr_rate.attr, + &dev_attr_autosleep.attr, + &dev_attr_position.attr, +#ifdef ADXL_DEBUG + &dev_attr_write.attr, +#endif + NULL +}; + +static const struct attribute_group adxl34x_attr_group = { + .attrs = adxl34x_attributes, +}; + +static int adxl34x_input_open(struct input_dev *input) +{ + struct adxl34x *ac = input_get_drvdata(input); + + mutex_lock(&ac->mutex); + + if (!ac->suspended && !ac->disabled) + __adxl34x_enable(ac); + + ac->opened = true; + + mutex_unlock(&ac->mutex); + + return 0; +} + +static void adxl34x_input_close(struct input_dev *input) +{ + struct adxl34x *ac = input_get_drvdata(input); + + mutex_lock(&ac->mutex); + + if (!ac->suspended && !ac->disabled) + __adxl34x_disable(ac); + + ac->opened = false; + + mutex_unlock(&ac->mutex); +} + +struct adxl34x *adxl34x_probe(struct device *dev, int irq, + bool fifo_delay_default, + const struct adxl34x_bus_ops *bops) +{ + struct adxl34x *ac; + struct input_dev *input_dev; + const struct adxl34x_platform_data *pdata; + int err, range, i; + unsigned char revid; + + if (!irq) { + dev_err(dev, "no IRQ?\n"); + err = -ENODEV; + goto err_out; + } + + ac = kzalloc(sizeof(*ac), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!ac || !input_dev) { + err = -ENOMEM; + goto err_free_mem; + } + + ac->fifo_delay = fifo_delay_default; + + pdata = dev->platform_data; + if (!pdata) { + dev_dbg(dev, + "No platfrom data: Using default initialization\n"); + pdata = &adxl34x_default_init; + } + + ac->pdata = *pdata; + pdata = &ac->pdata; + + ac->input = input_dev; + ac->dev = dev; + ac->irq = irq; + ac->bops = bops; + + mutex_init(&ac->mutex); + + input_dev->name = "ADXL34x accelerometer"; + revid = ac->bops->read(dev, DEVID); + + switch (revid) { + case ID_ADXL345: + ac->model = 345; + break; + case ID_ADXL346: + ac->model = 346; + break; + default: + dev_err(dev, "Failed to probe %s\n", input_dev->name); + err = -ENODEV; + goto err_free_mem; + } + + snprintf(ac->phys, sizeof(ac->phys), "%s/input0", dev_name(dev)); + + input_dev->phys = ac->phys; + input_dev->dev.parent = dev; + input_dev->id.product = ac->model; + input_dev->id.bustype = bops->bustype; + input_dev->open = adxl34x_input_open; + input_dev->close = adxl34x_input_close; + + input_set_drvdata(input_dev, ac); + + __set_bit(ac->pdata.ev_type, input_dev->evbit); + + if (ac->pdata.ev_type == EV_REL) { + __set_bit(REL_X, input_dev->relbit); + __set_bit(REL_Y, input_dev->relbit); + __set_bit(REL_Z, input_dev->relbit); + } else { + /* EV_ABS */ + __set_bit(ABS_X, input_dev->absbit); + __set_bit(ABS_Y, input_dev->absbit); + __set_bit(ABS_Z, input_dev->absbit); + + if (pdata->data_range & FULL_RES) + range = ADXL_FULLRES_MAX_VAL; /* Signed 13-bit */ + else + range = ADXL_FIXEDRES_MAX_VAL; /* Signed 10-bit */ + + input_set_abs_params(input_dev, ABS_X, -range, range, 3, 3); + input_set_abs_params(input_dev, ABS_Y, -range, range, 3, 3); + input_set_abs_params(input_dev, ABS_Z, -range, range, 3, 3); + } + + __set_bit(EV_KEY, input_dev->evbit); + __set_bit(pdata->ev_code_tap[ADXL_X_AXIS], input_dev->keybit); + __set_bit(pdata->ev_code_tap[ADXL_Y_AXIS], input_dev->keybit); + __set_bit(pdata->ev_code_tap[ADXL_Z_AXIS], input_dev->keybit); + + if (pdata->ev_code_ff) { + ac->int_mask = FREE_FALL; + __set_bit(pdata->ev_code_ff, input_dev->keybit); + } + + if (pdata->ev_code_act_inactivity) + __set_bit(pdata->ev_code_act_inactivity, input_dev->keybit); + + ac->int_mask |= ACTIVITY | INACTIVITY; + + if (pdata->watermark) { + ac->int_mask |= WATERMARK; + if (!FIFO_MODE(pdata->fifo_mode)) + ac->pdata.fifo_mode |= FIFO_STREAM; + } else { + ac->int_mask |= DATA_READY; + } + + if (pdata->tap_axis_control & (TAP_X_EN | TAP_Y_EN | TAP_Z_EN)) + ac->int_mask |= SINGLE_TAP | DOUBLE_TAP; + + if (FIFO_MODE(pdata->fifo_mode) == FIFO_BYPASS) + ac->fifo_delay = false; + + ac->bops->write(dev, POWER_CTL, 0); + + err = request_threaded_irq(ac->irq, NULL, adxl34x_irq, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + dev_name(dev), ac); + if (err) { + dev_err(dev, "irq %d busy?\n", ac->irq); + goto err_free_mem; + } + + err = sysfs_create_group(&dev->kobj, &adxl34x_attr_group); + if (err) + goto err_free_irq; + + err = input_register_device(input_dev); + if (err) + goto err_remove_attr; + + AC_WRITE(ac, THRESH_TAP, pdata->tap_threshold); + AC_WRITE(ac, OFSX, pdata->x_axis_offset); + ac->hwcal.x = pdata->x_axis_offset; + AC_WRITE(ac, OFSY, pdata->y_axis_offset); + ac->hwcal.y = pdata->y_axis_offset; + AC_WRITE(ac, OFSZ, pdata->z_axis_offset); + ac->hwcal.z = pdata->z_axis_offset; + AC_WRITE(ac, THRESH_TAP, pdata->tap_threshold); + AC_WRITE(ac, DUR, pdata->tap_duration); + AC_WRITE(ac, LATENT, pdata->tap_latency); + AC_WRITE(ac, WINDOW, pdata->tap_window); + AC_WRITE(ac, THRESH_ACT, pdata->activity_threshold); + AC_WRITE(ac, THRESH_INACT, pdata->inactivity_threshold); + AC_WRITE(ac, TIME_INACT, pdata->inactivity_time); + AC_WRITE(ac, THRESH_FF, pdata->free_fall_threshold); + AC_WRITE(ac, TIME_FF, pdata->free_fall_time); + AC_WRITE(ac, TAP_AXES, pdata->tap_axis_control); + AC_WRITE(ac, ACT_INACT_CTL, pdata->act_axis_control); + AC_WRITE(ac, BW_RATE, RATE(ac->pdata.data_rate) | + (pdata->low_power_mode ? LOW_POWER : 0)); + AC_WRITE(ac, DATA_FORMAT, pdata->data_range); + AC_WRITE(ac, FIFO_CTL, FIFO_MODE(pdata->fifo_mode) | + SAMPLES(pdata->watermark)); + + if (pdata->use_int2) { + /* Map all INTs to INT2 */ + AC_WRITE(ac, INT_MAP, ac->int_mask | OVERRUN); + } else { + /* Map all INTs to INT1 */ + AC_WRITE(ac, INT_MAP, 0); + } + + if (ac->model == 346 && ac->pdata.orientation_enable) { + AC_WRITE(ac, ORIENT_CONF, + ORIENT_DEADZONE(ac->pdata.deadzone_angle) | + ORIENT_DIVISOR(ac->pdata.divisor_length)); + + ac->orient2d_saved = 1234; + ac->orient3d_saved = 1234; + + if (pdata->orientation_enable & ADXL_EN_ORIENTATION_3D) + for (i = 0; i < ARRAY_SIZE(pdata->ev_codes_orient_3d); i++) + __set_bit(pdata->ev_codes_orient_3d[i], + input_dev->keybit); + + if (pdata->orientation_enable & ADXL_EN_ORIENTATION_2D) + for (i = 0; i < ARRAY_SIZE(pdata->ev_codes_orient_2d); i++) + __set_bit(pdata->ev_codes_orient_2d[i], + input_dev->keybit); + } else { + ac->pdata.orientation_enable = 0; + } + + AC_WRITE(ac, INT_ENABLE, ac->int_mask | OVERRUN); + + ac->pdata.power_mode &= (PCTL_AUTO_SLEEP | PCTL_LINK); + + return ac; + + err_remove_attr: + sysfs_remove_group(&dev->kobj, &adxl34x_attr_group); + err_free_irq: + free_irq(ac->irq, ac); + err_free_mem: + input_free_device(input_dev); + kfree(ac); + err_out: + return ERR_PTR(err); +} +EXPORT_SYMBOL_GPL(adxl34x_probe); + +int adxl34x_remove(struct adxl34x *ac) +{ + sysfs_remove_group(&ac->dev->kobj, &adxl34x_attr_group); + free_irq(ac->irq, ac); + input_unregister_device(ac->input); + dev_dbg(ac->dev, "unregistered accelerometer\n"); + kfree(ac); + + return 0; +} +EXPORT_SYMBOL_GPL(adxl34x_remove); + +MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); +MODULE_DESCRIPTION("ADXL345/346 Three-Axis Digital Accelerometer Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/misc/adxl34x.h b/drivers/input/misc/adxl34x.h new file mode 100644 index 00000000000..bbbc80fda16 --- /dev/null +++ b/drivers/input/misc/adxl34x.h @@ -0,0 +1,30 @@ +/* + * ADXL345/346 Three-Axis Digital Accelerometers (I2C/SPI Interface) + * + * Enter bugs at http://blackfin.uclinux.org/ + * + * Copyright (C) 2009 Michael Hennerich, Analog Devices Inc. + * Licensed under the GPL-2 or later. + */ + +#ifndef _ADXL34X_H_ +#define _ADXL34X_H_ + +struct device; +struct adxl34x; + +struct adxl34x_bus_ops { + u16 bustype; + int (*read)(struct device *, unsigned char); + int (*read_block)(struct device *, unsigned char, int, void *); + int (*write)(struct device *, unsigned char, unsigned char); +}; + +void adxl34x_suspend(struct adxl34x *ac); +void adxl34x_resume(struct adxl34x *ac); +struct adxl34x *adxl34x_probe(struct device *dev, int irq, + bool fifo_delay_default, + const struct adxl34x_bus_ops *bops); +int adxl34x_remove(struct adxl34x *ac); + +#endif diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c index e148749b585..23257652b8e 100644 --- a/drivers/input/misc/ati_remote2.c +++ b/drivers/input/misc/ati_remote2.c @@ -38,7 +38,8 @@ enum { }; static int ati_remote2_set_mask(const char *val, - struct kernel_param *kp, unsigned int max) + const struct kernel_param *kp, + unsigned int max) { unsigned long mask; int ret; @@ -59,28 +60,31 @@ static int ati_remote2_set_mask(const char *val, } static int ati_remote2_set_channel_mask(const char *val, - struct kernel_param *kp) + const struct kernel_param *kp) { pr_debug("%s()\n", __func__); return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_CHANNEL_MASK); } -static int ati_remote2_get_channel_mask(char *buffer, struct kernel_param *kp) +static int ati_remote2_get_channel_mask(char *buffer, + const struct kernel_param *kp) { pr_debug("%s()\n", __func__); return sprintf(buffer, "0x%04x", *(unsigned int *)kp->arg); } -static int ati_remote2_set_mode_mask(const char *val, struct kernel_param *kp) +static int ati_remote2_set_mode_mask(const char *val, + const struct kernel_param *kp) { pr_debug("%s()\n", __func__); return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_MODE_MASK); } -static int ati_remote2_get_mode_mask(char *buffer, struct kernel_param *kp) +static int ati_remote2_get_mode_mask(char *buffer, + const struct kernel_param *kp) { pr_debug("%s()\n", __func__); @@ -89,15 +93,19 @@ static int ati_remote2_get_mode_mask(char *buffer, struct kernel_param *kp) static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK; #define param_check_channel_mask(name, p) __param_check(name, p, unsigned int) -#define param_set_channel_mask ati_remote2_set_channel_mask -#define param_get_channel_mask ati_remote2_get_channel_mask +static struct kernel_param_ops param_ops_channel_mask = { + .set = ati_remote2_set_channel_mask, + .get = ati_remote2_get_channel_mask, +}; module_param(channel_mask, channel_mask, 0644); MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>"); static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK; #define param_check_mode_mask(name, p) __param_check(name, p, unsigned int) -#define param_set_mode_mask ati_remote2_set_mode_mask -#define param_get_mode_mask ati_remote2_get_mode_mask +static struct kernel_param_ops param_ops_mode_mask = { + .set = ati_remote2_set_mode_mask, + .get = ati_remote2_get_mode_mask, +}; module_param(mode_mask, mode_mask, 0644); MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>"); diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c index dfaa9a045ed..601f7372f9c 100644 --- a/drivers/input/misc/atlas_btns.c +++ b/drivers/input/misc/atlas_btns.c @@ -21,6 +21,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -60,12 +62,11 @@ static acpi_status acpi_atlas_button_handler(u32 function, input_report_key(input_dev, atlas_keymap[code], key_down); input_sync(input_dev); - status = 0; + status = AE_OK; } else { - printk(KERN_WARNING "atlas: shrugged on unexpected function" - ":function=%x,address=%lx,value=%x\n", + pr_warn("shrugged on unexpected function: function=%x,address=%lx,value=%x\n", function, (unsigned long)address, (u32)*value); - status = -EINVAL; + status = AE_BAD_PARAMETER; } return status; @@ -79,7 +80,7 @@ static int atlas_acpi_button_add(struct acpi_device *device) input_dev = input_allocate_device(); if (!input_dev) { - printk(KERN_ERR "atlas: unable to allocate input device\n"); + pr_err("unable to allocate input device\n"); return -ENOMEM; } @@ -102,7 +103,7 @@ static int atlas_acpi_button_add(struct acpi_device *device) err = input_register_device(input_dev); if (err) { - printk(KERN_ERR "atlas: couldn't register input device\n"); + pr_err("couldn't register input device\n"); input_free_device(input_dev); return err; } @@ -112,12 +113,12 @@ static int atlas_acpi_button_add(struct acpi_device *device) 0x81, &acpi_atlas_button_handler, &acpi_atlas_button_setup, device); if (ACPI_FAILURE(status)) { - printk(KERN_ERR "Atlas: Error installing addr spc handler\n"); + pr_err("error installing addr spc handler\n"); input_unregister_device(input_dev); - status = -EINVAL; + err = -EINVAL; } - return status; + return err; } static int atlas_acpi_button_remove(struct acpi_device *device, int type) @@ -126,14 +127,12 @@ static int atlas_acpi_button_remove(struct acpi_device *device, int type) status = acpi_remove_address_space_handler(device->handle, 0x81, &acpi_atlas_button_handler); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR "Atlas: Error removing addr spc handler\n"); - status = -EINVAL; - } + if (ACPI_FAILURE(status)) + pr_err("error removing addr spc handler\n"); input_unregister_device(input_dev); - return status; + return 0; } static const struct acpi_device_id atlas_device_ids[] = { @@ -145,6 +144,7 @@ MODULE_DEVICE_TABLE(acpi, atlas_device_ids); static struct acpi_driver atlas_acpi_driver = { .name = ACPI_ATLAS_NAME, .class = ACPI_ATLAS_CLASS, + .owner = THIS_MODULE, .ids = atlas_device_ids, .ops = { .add = atlas_acpi_button_add, @@ -154,18 +154,10 @@ static struct acpi_driver atlas_acpi_driver = { static int __init atlas_acpi_init(void) { - int result; - if (acpi_disabled) return -ENODEV; - result = acpi_bus_register_driver(&atlas_acpi_driver); - if (result < 0) { - printk(KERN_ERR "Atlas ACPI: Unable to register driver\n"); - return -ENODEV; - } - - return 0; + return acpi_bus_register_driver(&atlas_acpi_driver); } static void __exit atlas_acpi_exit(void) diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c index e00a1cc79c0..c1906647905 100644 --- a/drivers/input/misc/hp_sdc_rtc.c +++ b/drivers/input/misc/hp_sdc_rtc.c @@ -678,7 +678,7 @@ static const struct file_operations hp_sdc_rtc_fops = { .llseek = no_llseek, .read = hp_sdc_rtc_read, .poll = hp_sdc_rtc_poll, - .unlocked_ioctl = hp_sdc_rtc_ioctl, + .unlocked_ioctl = hp_sdc_rtc_unlocked_ioctl, .open = hp_sdc_rtc_open, .fasync = hp_sdc_rtc_fasync, }; diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c index 9946d73624b..9dfd6e5f786 100644 --- a/drivers/input/misc/ixp4xx-beeper.c +++ b/drivers/input/misc/ixp4xx-beeper.c @@ -115,7 +115,8 @@ 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_TIMER, "ixp4xx-beeper", (void *) dev->id); + IRQF_DISABLED | IRQF_NO_SUSPEND, "ixp4xx-beeper", + (void *) dev->id); if (err) goto err_free_device; diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c index 5c3ac4e0b05..4b42ffc0532 100644 --- a/drivers/input/misc/pcf8574_keypad.c +++ b/drivers/input/misc/pcf8574_keypad.c @@ -69,7 +69,7 @@ static irqreturn_t pcf8574_kp_irq_handler(int irq, void *dev_id) unsigned char nextstate = read_state(lp); if (lp->laststate != nextstate) { - int key_down = nextstate <= ARRAY_SIZE(lp->btncode); + int key_down = nextstate < ARRAY_SIZE(lp->btncode); unsigned short keycode = key_down ? lp->btncode[nextstate] : lp->btncode[lp->laststate]; @@ -168,8 +168,6 @@ static int __devexit pcf8574_kp_remove(struct i2c_client *client) input_unregister_device(lp->idev); kfree(lp); - i2c_set_clientdata(client, NULL); - return 0; } diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c new file mode 100644 index 00000000000..57c294f0719 --- /dev/null +++ b/drivers/input/misc/pwm-beeper.c @@ -0,0 +1,199 @@ +/* + * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> + * PWM beeper driver + * + * 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. + * + * 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/input.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/pwm.h> +#include <linux/slab.h> + +struct pwm_beeper { + struct input_dev *input; + struct pwm_device *pwm; + unsigned long period; +}; + +#define HZ_TO_NANOSECONDS(x) (1000000000UL/(x)) + +static int pwm_beeper_event(struct input_dev *input, + unsigned int type, unsigned int code, int value) +{ + int ret = 0; + struct pwm_beeper *beeper = input_get_drvdata(input); + unsigned long period; + + if (type != EV_SND || value < 0) + return -EINVAL; + + switch (code) { + case SND_BELL: + value = value ? 1000 : 0; + break; + case SND_TONE: + break; + default: + return -EINVAL; + } + + if (value == 0) { + pwm_config(beeper->pwm, 0, 0); + pwm_disable(beeper->pwm); + } else { + period = HZ_TO_NANOSECONDS(value); + ret = pwm_config(beeper->pwm, period / 2, period); + if (ret) + return ret; + ret = pwm_enable(beeper->pwm); + if (ret) + return ret; + beeper->period = period; + } + + return 0; +} + +static int __devinit pwm_beeper_probe(struct platform_device *pdev) +{ + unsigned long pwm_id = (unsigned long)pdev->dev.platform_data; + struct pwm_beeper *beeper; + int error; + + beeper = kzalloc(sizeof(*beeper), GFP_KERNEL); + if (!beeper) + return -ENOMEM; + + beeper->pwm = pwm_request(pwm_id, "pwm beeper"); + + if (IS_ERR(beeper->pwm)) { + error = PTR_ERR(beeper->pwm); + dev_err(&pdev->dev, "Failed to request pwm device: %d\n", error); + goto err_free; + } + + beeper->input = input_allocate_device(); + if (!beeper->input) { + dev_err(&pdev->dev, "Failed to allocate input device\n"); + error = -ENOMEM; + goto err_pwm_free; + } + beeper->input->dev.parent = &pdev->dev; + + beeper->input->name = "pwm-beeper"; + beeper->input->phys = "pwm/input0"; + beeper->input->id.bustype = BUS_HOST; + beeper->input->id.vendor = 0x001f; + beeper->input->id.product = 0x0001; + beeper->input->id.version = 0x0100; + + beeper->input->evbit[0] = BIT(EV_SND); + beeper->input->sndbit[0] = BIT(SND_TONE) | BIT(SND_BELL); + + beeper->input->event = pwm_beeper_event; + + input_set_drvdata(beeper->input, beeper); + + error = input_register_device(beeper->input); + if (error) { + dev_err(&pdev->dev, "Failed to register input device: %d\n", error); + goto err_input_free; + } + + platform_set_drvdata(pdev, beeper); + + return 0; + +err_input_free: + input_free_device(beeper->input); +err_pwm_free: + pwm_free(beeper->pwm); +err_free: + kfree(beeper); + + return error; +} + +static int __devexit pwm_beeper_remove(struct platform_device *pdev) +{ + struct pwm_beeper *beeper = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); + input_unregister_device(beeper->input); + + pwm_disable(beeper->pwm); + pwm_free(beeper->pwm); + + kfree(beeper); + + return 0; +} + +#ifdef CONFIG_PM +static int pwm_beeper_suspend(struct device *dev) +{ + struct pwm_beeper *beeper = dev_get_drvdata(dev); + + if (beeper->period) + pwm_disable(beeper->pwm); + + return 0; +} + +static int pwm_beeper_resume(struct device *dev) +{ + struct pwm_beeper *beeper = dev_get_drvdata(dev); + + if (beeper->period) { + pwm_config(beeper->pwm, beeper->period / 2, beeper->period); + pwm_enable(beeper->pwm); + } + + return 0; +} + +static SIMPLE_DEV_PM_OPS(pwm_beeper_pm_ops, + pwm_beeper_suspend, pwm_beeper_resume); + +#define PWM_BEEPER_PM_OPS (&pwm_beeper_pm_ops) +#else +#define PWM_BEEPER_PM_OPS NULL +#endif + +static struct platform_driver pwm_beeper_driver = { + .probe = pwm_beeper_probe, + .remove = __devexit_p(pwm_beeper_remove), + .driver = { + .name = "pwm-beeper", + .owner = THIS_MODULE, + .pm = PWM_BEEPER_PM_OPS, + }, +}; + +static int __init pwm_beeper_init(void) +{ + return platform_driver_register(&pwm_beeper_driver); +} +module_init(pwm_beeper_init); + +static void __exit pwm_beeper_exit(void) +{ + platform_driver_unregister(&pwm_beeper_driver); +} +module_exit(pwm_beeper_exit); + +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); +MODULE_DESCRIPTION("PWM beeper driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:pwm-beeper"); diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c index 1dacae4b43f..8e130bf7d32 100644 --- a/drivers/input/misc/sparcspkr.c +++ b/drivers/input/misc/sparcspkr.c @@ -173,7 +173,7 @@ static int __devinit sparcspkr_probe(struct device *dev) return 0; } -static int sparcspkr_shutdown(struct of_device *dev) +static int sparcspkr_shutdown(struct platform_device *dev) { struct sparcspkr_state *state = dev_get_drvdata(&dev->dev); struct input_dev *input_dev = state->input_dev; @@ -184,7 +184,7 @@ static int sparcspkr_shutdown(struct of_device *dev) return 0; } -static int __devinit bbc_beep_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit bbc_beep_probe(struct platform_device *op, const struct of_device_id *match) { struct sparcspkr_state *state; struct bbc_beep_info *info; @@ -231,7 +231,7 @@ out_err: return err; } -static int __devexit bbc_remove(struct of_device *op) +static int __devexit bbc_remove(struct platform_device *op) { struct sparcspkr_state *state = dev_get_drvdata(&op->dev); struct input_dev *input_dev = state->input_dev; @@ -269,7 +269,7 @@ static struct of_platform_driver bbc_beep_driver = { .shutdown = sparcspkr_shutdown, }; -static int __devinit grover_beep_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit grover_beep_probe(struct platform_device *op, const struct of_device_id *match) { struct sparcspkr_state *state; struct grover_beep_info *info; @@ -312,7 +312,7 @@ out_err: return err; } -static int __devexit grover_remove(struct of_device *op) +static int __devexit grover_remove(struct platform_device *op) { struct sparcspkr_state *state = dev_get_drvdata(&op->dev); struct grover_beep_info *info = &state->u.grover; @@ -353,14 +353,12 @@ static struct of_platform_driver grover_beep_driver = { static int __init sparcspkr_init(void) { - int err = of_register_driver(&bbc_beep_driver, - &of_platform_bus_type); + int err = of_register_platform_driver(&bbc_beep_driver); if (!err) { - err = of_register_driver(&grover_beep_driver, - &of_platform_bus_type); + err = of_register_platform_driver(&grover_beep_driver); if (err) - of_unregister_driver(&bbc_beep_driver); + of_unregister_platform_driver(&bbc_beep_driver); } return err; @@ -368,8 +366,8 @@ static int __init sparcspkr_init(void) static void __exit sparcspkr_exit(void) { - of_unregister_driver(&bbc_beep_driver); - of_unregister_driver(&grover_beep_driver); + of_unregister_platform_driver(&bbc_beep_driver); + of_unregister_platform_driver(&grover_beep_driver); } module_init(sparcspkr_init); diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c index e9069b87fde..f16972bddca 100644 --- a/drivers/input/misc/twl4030-pwrbutton.c +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -52,7 +52,7 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr) return IRQ_HANDLED; } -static int __devinit twl4030_pwrbutton_probe(struct platform_device *pdev) +static int __init twl4030_pwrbutton_probe(struct platform_device *pdev) { struct input_dev *pwr; int irq = platform_get_irq(pdev, 0); @@ -95,7 +95,7 @@ free_input_dev: return err; } -static int __devexit twl4030_pwrbutton_remove(struct platform_device *pdev) +static int __exit twl4030_pwrbutton_remove(struct platform_device *pdev) { struct input_dev *pwr = platform_get_drvdata(pdev); int irq = platform_get_irq(pdev, 0); @@ -106,9 +106,8 @@ static int __devexit twl4030_pwrbutton_remove(struct platform_device *pdev) return 0; } -struct platform_driver twl4030_pwrbutton_driver = { - .probe = twl4030_pwrbutton_probe, - .remove = __devexit_p(twl4030_pwrbutton_remove), +static struct platform_driver twl4030_pwrbutton_driver = { + .remove = __exit_p(twl4030_pwrbutton_remove), .driver = { .name = "twl4030_pwrbutton", .owner = THIS_MODULE, @@ -117,7 +116,8 @@ struct platform_driver twl4030_pwrbutton_driver = { static int __init twl4030_pwrbutton_init(void) { - return platform_driver_register(&twl4030_pwrbutton_driver); + return platform_driver_probe(&twl4030_pwrbutton_driver, + twl4030_pwrbutton_probe); } module_init(twl4030_pwrbutton_init); diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index b71eb55f2db..bb53fd33cd1 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -304,21 +304,25 @@ static int uinput_validate_absbits(struct input_dev *dev) if (!test_bit(cnt, dev->absbit)) continue; - if ((dev->absmax[cnt] <= dev->absmin[cnt])) { + if (input_abs_get_max(dev, cnt) <= input_abs_get_min(dev, cnt)) { printk(KERN_DEBUG "%s: invalid abs[%02x] min:%d max:%d\n", UINPUT_NAME, cnt, - dev->absmin[cnt], dev->absmax[cnt]); + input_abs_get_min(dev, cnt), + input_abs_get_max(dev, cnt)); retval = -EINVAL; break; } - if (dev->absflat[cnt] > (dev->absmax[cnt] - dev->absmin[cnt])) { + if (input_abs_get_flat(dev, cnt) > + input_abs_get_max(dev, cnt) - input_abs_get_min(dev, cnt)) { printk(KERN_DEBUG - "%s: absflat[%02x] out of range: %d " + "%s: abs_flat #%02x out of range: %d " "(min:%d/max:%d)\n", - UINPUT_NAME, cnt, dev->absflat[cnt], - dev->absmin[cnt], dev->absmax[cnt]); + UINPUT_NAME, cnt, + input_abs_get_flat(dev, cnt), + input_abs_get_min(dev, cnt), + input_abs_get_max(dev, cnt)); retval = -EINVAL; break; } @@ -343,7 +347,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu struct uinput_user_dev *user_dev; struct input_dev *dev; char *name; - int size; + int i, size; int retval; if (count != sizeof(struct uinput_user_dev)) @@ -387,11 +391,12 @@ 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_CNT; - memcpy(dev->absmax, user_dev->absmax, size); - memcpy(dev->absmin, user_dev->absmin, size); - memcpy(dev->absfuzz, user_dev->absfuzz, size); - memcpy(dev->absflat, user_dev->absflat, size); + for (i = 0; i < ABS_CNT; i++) { + input_abs_set_max(dev, i, user_dev->absmax[i]); + input_abs_set_min(dev, i, user_dev->absmin[i]); + input_abs_set_fuzz(dev, i, user_dev->absfuzz[i]); + input_abs_set_flat(dev, i, user_dev->absflat[i]); + } /* check if absmin/absmax/absfuzz/absflat are filled as * told in Documentation/input/input-programming.txt */ diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c index 4dac8b79fcd..12501de0c5c 100644 --- a/drivers/input/misc/wistron_btns.c +++ b/drivers/input/misc/wistron_btns.c @@ -1347,7 +1347,7 @@ static int __init wb_module_init(void) err = map_bios(); if (err) - return err; + goto err_free_keymap; err = platform_driver_register(&wistron_driver); if (err) @@ -1371,6 +1371,8 @@ static int __init wb_module_init(void) platform_driver_unregister(&wistron_driver); err_unmap_bios: unmap_bios(); + err_free_keymap: + kfree(keymap); return err; } |