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Diffstat (limited to 'drivers/hwmon/lis3lv02d.h')
-rw-r--r--drivers/hwmon/lis3lv02d.h291
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diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h
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--- a/drivers/hwmon/lis3lv02d.h
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-/*
- * lis3lv02d.h - ST LIS3LV02DL accelerometer driver
- *
- * Copyright (C) 2007-2008 Yan Burman
- * Copyright (C) 2008-2009 Eric Piel
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <linux/platform_device.h>
-#include <linux/input-polldev.h>
-#include <linux/regulator/consumer.h>
-
-/*
- * This driver tries to support the "digital" accelerometer chips from
- * STMicroelectronics such as LIS3LV02DL, LIS302DL, LIS3L02DQ, LIS331DL,
- * LIS35DE, or LIS202DL. They are very similar in terms of programming, with
- * almost the same registers. In addition to differing on physical properties,
- * they differ on the number of axes (2/3), precision (8/12 bits), and special
- * features (freefall detection, click...). Unfortunately, not all the
- * differences can be probed via a register.
- * They can be connected either via I²C or SPI.
- */
-
-#include <linux/lis3lv02d.h>
-
-enum lis3_reg {
- WHO_AM_I = 0x0F,
- OFFSET_X = 0x16,
- OFFSET_Y = 0x17,
- OFFSET_Z = 0x18,
- GAIN_X = 0x19,
- GAIN_Y = 0x1A,
- GAIN_Z = 0x1B,
- CTRL_REG1 = 0x20,
- CTRL_REG2 = 0x21,
- CTRL_REG3 = 0x22,
- CTRL_REG4 = 0x23,
- HP_FILTER_RESET = 0x23,
- STATUS_REG = 0x27,
- OUTX_L = 0x28,
- OUTX_H = 0x29,
- OUTX = 0x29,
- OUTY_L = 0x2A,
- OUTY_H = 0x2B,
- OUTY = 0x2B,
- OUTZ_L = 0x2C,
- OUTZ_H = 0x2D,
- OUTZ = 0x2D,
-};
-
-enum lis302d_reg {
- FF_WU_CFG_1 = 0x30,
- FF_WU_SRC_1 = 0x31,
- FF_WU_THS_1 = 0x32,
- FF_WU_DURATION_1 = 0x33,
- FF_WU_CFG_2 = 0x34,
- FF_WU_SRC_2 = 0x35,
- FF_WU_THS_2 = 0x36,
- FF_WU_DURATION_2 = 0x37,
- CLICK_CFG = 0x38,
- CLICK_SRC = 0x39,
- CLICK_THSY_X = 0x3B,
- CLICK_THSZ = 0x3C,
- CLICK_TIMELIMIT = 0x3D,
- CLICK_LATENCY = 0x3E,
- CLICK_WINDOW = 0x3F,
-};
-
-enum lis3lv02d_reg {
- FF_WU_CFG = 0x30,
- FF_WU_SRC = 0x31,
- FF_WU_ACK = 0x32,
- FF_WU_THS_L = 0x34,
- FF_WU_THS_H = 0x35,
- FF_WU_DURATION = 0x36,
- DD_CFG = 0x38,
- DD_SRC = 0x39,
- DD_ACK = 0x3A,
- DD_THSI_L = 0x3C,
- DD_THSI_H = 0x3D,
- DD_THSE_L = 0x3E,
- DD_THSE_H = 0x3F,
-};
-
-enum lis3_who_am_i {
- WAI_3DC = 0x33, /* 8 bits: LIS3DC, HP3DC */
- WAI_12B = 0x3A, /* 12 bits: LIS3LV02D[LQ]... */
- WAI_8B = 0x3B, /* 8 bits: LIS[23]02D[LQ]... */
- WAI_6B = 0x52, /* 6 bits: LIS331DLF - not supported */
-};
-
-enum lis3lv02d_ctrl1_12b {
- CTRL1_Xen = 0x01,
- CTRL1_Yen = 0x02,
- CTRL1_Zen = 0x04,
- CTRL1_ST = 0x08,
- CTRL1_DF0 = 0x10,
- CTRL1_DF1 = 0x20,
- CTRL1_PD0 = 0x40,
- CTRL1_PD1 = 0x80,
-};
-
-/* Delta to ctrl1_12b version */
-enum lis3lv02d_ctrl1_8b {
- CTRL1_STM = 0x08,
- CTRL1_STP = 0x10,
- CTRL1_FS = 0x20,
- CTRL1_PD = 0x40,
- CTRL1_DR = 0x80,
-};
-
-enum lis3lv02d_ctrl1_3dc {
- CTRL1_ODR0 = 0x10,
- CTRL1_ODR1 = 0x20,
- CTRL1_ODR2 = 0x40,
- CTRL1_ODR3 = 0x80,
-};
-
-enum lis3lv02d_ctrl2 {
- CTRL2_DAS = 0x01,
- CTRL2_SIM = 0x02,
- CTRL2_DRDY = 0x04,
- CTRL2_IEN = 0x08,
- CTRL2_BOOT = 0x10,
- CTRL2_BLE = 0x20,
- CTRL2_BDU = 0x40, /* Block Data Update */
- CTRL2_FS = 0x80, /* Full Scale selection */
-};
-
-enum lis3lv02d_ctrl4_3dc {
- CTRL4_SIM = 0x01,
- CTRL4_ST0 = 0x02,
- CTRL4_ST1 = 0x04,
- CTRL4_FS0 = 0x10,
- CTRL4_FS1 = 0x20,
-};
-
-enum lis302d_ctrl2 {
- HP_FF_WU2 = 0x08,
- HP_FF_WU1 = 0x04,
- CTRL2_BOOT_8B = 0x40,
-};
-
-enum lis3lv02d_ctrl3 {
- CTRL3_CFS0 = 0x01,
- CTRL3_CFS1 = 0x02,
- CTRL3_FDS = 0x10,
- CTRL3_HPFF = 0x20,
- CTRL3_HPDD = 0x40,
- CTRL3_ECK = 0x80,
-};
-
-enum lis3lv02d_status_reg {
- STATUS_XDA = 0x01,
- STATUS_YDA = 0x02,
- STATUS_ZDA = 0x04,
- STATUS_XYZDA = 0x08,
- STATUS_XOR = 0x10,
- STATUS_YOR = 0x20,
- STATUS_ZOR = 0x40,
- STATUS_XYZOR = 0x80,
-};
-
-enum lis3lv02d_ff_wu_cfg {
- FF_WU_CFG_XLIE = 0x01,
- FF_WU_CFG_XHIE = 0x02,
- FF_WU_CFG_YLIE = 0x04,
- FF_WU_CFG_YHIE = 0x08,
- FF_WU_CFG_ZLIE = 0x10,
- FF_WU_CFG_ZHIE = 0x20,
- FF_WU_CFG_LIR = 0x40,
- FF_WU_CFG_AOI = 0x80,
-};
-
-enum lis3lv02d_ff_wu_src {
- FF_WU_SRC_XL = 0x01,
- FF_WU_SRC_XH = 0x02,
- FF_WU_SRC_YL = 0x04,
- FF_WU_SRC_YH = 0x08,
- FF_WU_SRC_ZL = 0x10,
- FF_WU_SRC_ZH = 0x20,
- FF_WU_SRC_IA = 0x40,
-};
-
-enum lis3lv02d_dd_cfg {
- DD_CFG_XLIE = 0x01,
- DD_CFG_XHIE = 0x02,
- DD_CFG_YLIE = 0x04,
- DD_CFG_YHIE = 0x08,
- DD_CFG_ZLIE = 0x10,
- DD_CFG_ZHIE = 0x20,
- DD_CFG_LIR = 0x40,
- DD_CFG_IEND = 0x80,
-};
-
-enum lis3lv02d_dd_src {
- DD_SRC_XL = 0x01,
- DD_SRC_XH = 0x02,
- DD_SRC_YL = 0x04,
- DD_SRC_YH = 0x08,
- DD_SRC_ZL = 0x10,
- DD_SRC_ZH = 0x20,
- DD_SRC_IA = 0x40,
-};
-
-enum lis3lv02d_click_src_8b {
- CLICK_SINGLE_X = 0x01,
- CLICK_DOUBLE_X = 0x02,
- CLICK_SINGLE_Y = 0x04,
- CLICK_DOUBLE_Y = 0x08,
- CLICK_SINGLE_Z = 0x10,
- CLICK_DOUBLE_Z = 0x20,
- CLICK_IA = 0x40,
-};
-
-enum lis3lv02d_reg_state {
- LIS3_REG_OFF = 0x00,
- LIS3_REG_ON = 0x01,
-};
-
-union axis_conversion {
- struct {
- int x, y, z;
- };
- int as_array[3];
-
-};
-
-struct lis3lv02d {
- void *bus_priv; /* used by the bus layer only */
- struct device *pm_dev; /* for pm_runtime purposes */
- int (*init) (struct lis3lv02d *lis3);
- int (*write) (struct lis3lv02d *lis3, int reg, u8 val);
- int (*read) (struct lis3lv02d *lis3, int reg, u8 *ret);
- int (*blkread) (struct lis3lv02d *lis3, int reg, int len, u8 *ret);
- int (*reg_ctrl) (struct lis3lv02d *lis3, bool state);
-
- int *odrs; /* Supported output data rates */
- u8 *regs; /* Regs to store / restore */
- int regs_size;
- u8 *reg_cache;
- bool regs_stored;
- u8 odr_mask; /* ODR bit mask */
- u8 whoami; /* indicates measurement precision */
- s16 (*read_data) (struct lis3lv02d *lis3, int reg);
- int mdps_max_val;
- int pwron_delay;
- int scale; /*
- * relationship between 1 LBS and mG
- * (1/1000th of earth gravity)
- */
-
- struct input_polled_dev *idev; /* input device */
- struct platform_device *pdev; /* platform device */
- struct regulator_bulk_data regulators[2];
- atomic_t count; /* interrupt count after last read */
- union axis_conversion ac; /* hw -> logical axis */
- int mapped_btns[3];
-
- u32 irq; /* IRQ number */
- struct fasync_struct *async_queue; /* queue for the misc device */
- wait_queue_head_t misc_wait; /* Wait queue for the misc device */
- unsigned long misc_opened; /* bit0: whether the device is open */
- int data_ready_count[2];
- atomic_t wake_thread;
- unsigned char irq_cfg;
-
- struct lis3lv02d_platform_data *pdata; /* for passing board config */
- struct mutex mutex; /* Serialize poll and selftest */
-};
-
-int lis3lv02d_init_device(struct lis3lv02d *lis3);
-int lis3lv02d_joystick_enable(void);
-void lis3lv02d_joystick_disable(void);
-void lis3lv02d_poweroff(struct lis3lv02d *lis3);
-void lis3lv02d_poweron(struct lis3lv02d *lis3);
-int lis3lv02d_remove_fs(struct lis3lv02d *lis3);
-
-extern struct lis3lv02d lis3_dev;