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android_kernel_modules_leno.../drivers/hwmon/sensor_driver_config.h

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#ifndef SENSOR_DRIVER_CONFIG_H
#define SENSOR_DRIVER_CONFIG_H
/*
* Sensor Driver Configure Interface between HAL and Driver
* If any update in Driver, then update in HAL too and vice versa
*/
/*
* Actions specified by developer
* extend here for new sensor action,new sysfs api or others
*/
enum sensor_action {
INIT = 0, DEINIT,
ENABLE, DISABLE,
INT_ACK,
GET_DATA_X, GET_DATA_Y, GET_DATA_Z,
GET_RANGE, SET_RANGE,
GET_SELFTEST, SET_SELFTEST,
SENSOR_ACTION_RESERVE,
};
/* operand of data_action
* immediate, i2c register
* global i2c register buf, index of private data
* output of before operation
*/
enum operand_type {
OPT_IMM = 0, OPT_REG,
OPT_REG_BUF, OPT_INDEX,
OPT_BEFORE,
OPT_RESERVE,
};
struct operand {
__u8 type;
union {
__s32 immediate;
__s32 index;
struct operand_register {
__u8 addr;
__u8 len;
__u8 flag;
__u8 pad;
} reg;
} data;
}__attribute__ ((packed));
/* Data Operation
*i2c register and variable& access: =,
*logic: ==,!=,<,>,<=,>=,
*arithmetic: +,-,*,/,%,
*bit: |,&,<<,>>,~
*endian change: be16_to_cpu, be24_to_cpu, be32_to_cpu, le16_to_cpu,
* le24_to_cpu, le32_to_cpu be24_to_cpu is for 3Bytes of lps331ap X1 data
*min, max:
*comma experession
*/
enum data_op {
OP_ACCESS = 0,
OP_MIN, OP_MAX,
OP_LOGIC_EQ, OP_LOGIC_NEQ, OP_LOGIC_GREATER, OP_LOGIC_LESS,
OP_LOGIC_GE, OP_LOGIC_LE, OP_LOGIC_AND, OP_LOGIC_OR,
OP_ARI_ADD, OP_ARI_SUB, OP_ARI_MUL, OP_ARI_DIV, OP_ARI_MOD,
OP_BIT_OR, OP_BIT_AND, OP_BIT_LSL, OP_BIT_LSR, OP_BIT_NOR,
OP_ENDIAN_BE16, OP_ENDIAN_BE16_UN, OP_ENDIAN_BE24, OP_ENDIAN_BE32,
OP_ENDIAN_LE16, OP_ENDIAN_LE16_UN, OP_ENDIAN_LE24, OP_ENDIAN_LE32,
OP_RESERVE,
};
/*
* data_action of lowlevel_action, mostly for i2c registers' data
* = operation can descript i2c register read/write
* and global private data setting
* read or write i2c registers:
* read: the data will be read into global register buf
* write: the source data is from operand2 and will be
* firstly written into the global register buf
*
* for other operations, all result will be treat as
* input of next process or driver API.
*
* operand type:
* immediate; register addr, len; index of private data; data of before operation
* size: 11B
*/
struct data_action {
__u8 op;
struct operand operand1;
struct operand operand2;
}__attribute__ ((packed));
/*
* sleep_action of lowlevel_action
*/
struct sleep_action {
__s32 ms;
};
/*
* ifelse_action of lowlevel_action
* action nums for condition, if and else
*/
struct ifelse_action {
__s16 num_con;
__s16 num_if;
__s16 num_else;
}__attribute__ ((packed));
/*
* extern_c_action of lowlevel_action
*/
struct externc_action {
__u32 index;
};
/* General Lowlevel Action
* used to descript sensor_action by developer
* extend new type of lowlevel action here
*/
enum action_lowlevel {
DATA = 0, SLEEP, IFELSE,
RETURN, SWITCH, EXTERNC, ACTION_RESERVE
};
struct lowlevel_action {
__u8 type;
union {
struct data_action data;
struct sleep_action sleep;
struct ifelse_action ifelse;
struct externc_action externc;
} action;
}__attribute__ ((packed));
/*
* lowlevel action index info in sensor_config
*/
#define MAX_LL_ACTION_NUM 0xff
struct lowlevel_action_index {
__u16 index;
__u16 num;
}__attribute__ ((packed));
/*
* odr table setting provided by developer for each sensor
* @hz:all supported hz of android and sensor, 0 means not support
* @index: index of lowlevel action table
*/
struct odr {
__s32 hz;
struct lowlevel_action_index index;
}__attribute__ ((packed));
/*
* range table setting provided by developer for each sensor
* @index: index of lowlevel action table
*/
struct range_setting {
__s32 range;
struct lowlevel_action_index index;
}__attribute__ ((packed));
/*
* sysfs file info
* type: sensor_action or data_action
* for extension, don't mix data action and
* sensor actions specified by developer
* @mode: file access mode
*/
#define MAX_ATTR_NAME_BYTES 15
enum show_store_action {
DATA_ACTION = 0, SENSOR_ACTION,
};
struct sysfs_entry {
__u8 name[MAX_ATTR_NAME_BYTES];
__u8 type;
__u16 mode;
/*action detail*/
union {
struct {
__u8 show;
__u8 store;
} sensor;
struct {
struct lowlevel_action_index index_show;
struct lowlevel_action_index index_store;
} data;
} action;
}__attribute__ ((packed));
/* The whole config format
* XML parser will generate this formated config image from XML file
*
* @size: config size
* @i2c_bus:bus number of attached adapter
* @test_reg_addr:used to check whether device is valid
* when there are multi i2c addresss
* @2c_addrs:all supported i2c client address
* @id[MAX_DEV_IDS]: series of device are supported
* by this driver, 0 means invalid id.
* @name[MAX_DEV_IDS][MAX_DEV_NAME_BYTES]: used to
* match this driver to relative device
* @input_name[MAX_DEV_NAME_BYTES]: input device name
* @attr_name[MAX_DEV_NAME_BYTES]: name of subdir for
* attribute files(enable,poll,...)
* @id_reg_addr:addr of ID register
* @id_reg_flag:access flag of ID register
* @sensor_regs: number of registers
* @event_type: input event type
* @method:polling, interrupt, polling+interrupt
* @default_poll_interval: default value, in ms, for MIX method
* in accelerometer driver, should set poll as 0
* @min_poll_interval: min interval
* @max_poll_interval: max interval
*
* Additional info for interrupt and interrupt+polling
* @gpio_num: assume interrupt source are all gpio
* @report_cnt: nonzero, only valid for polling+interrupt mode
* @report_interval: report interval for MIX method
* @irq_flag:flag of request_irq_thread
*
* @shared_nums: how many function of this i2c device
* @irq_serialize:set 1 if need to serialize irq handling
*
* @odr_entries:valid entries in odr_table
* @odr_table[MAX_ODR_SETTING_ENTRIES]:ODR, BW, Resolution setting table
* range setting table
* @default_range:default, must be set , or will make range_show complicate,
* zero means not support, so don't init and support relative api
* @range_entries:valid entries in range_table
* @range_setting range_table[MAX_RANGES]:
*
* @indexs: index infos of all specified sensor actions
* @actions: pack all lowlevel actions together to reduce config image size
*/
#define INVALID_I2C_BUS 0xff
#define INVALID_I2C_ADDR 0xff
#define MAX_I2C_ADDRS 4
#define MAX_DEV_IDS 4
#define MAX_DEV_NAME_BYTES 32
#define SENSOR_INVALID_REG 0xff
#define SENSOR_INVALID_INTERVAL 0xffffffff
#define MAX_ODR_SETTING_ENTRIES 8
#define MAX_RANGES 6
#define MAX_SYSFS_ENTRIES 6
enum method_get_data {INT = 0, POLL, MIX,};
struct sensor_config {
__u16 size;
/*Basic info of sensor driver*/
__u8 i2c_bus;
__u8 test_reg_addr;
__u8 i2c_addrs[MAX_I2C_ADDRS];
__u8 id[MAX_DEV_IDS];
__u8 name[MAX_DEV_NAME_BYTES];
__u8 input_name[MAX_DEV_NAME_BYTES];
__u8 attr_name[MAX_DEV_NAME_BYTES];
__u8 id_reg_addr;
__u8 id_reg_flag;
__u8 sensor_regs;
__u8 event_type;
/*infos to get data method */
__u32 method;
__s32 default_poll_interval;
__s32 min_poll_interval;
__s32 max_poll_interval;
__s32 gpio_num;
__s32 report_cnt;
__s32 report_interval;
__u32 irq_flag;
/*multi function device*/
__s32 shared_nums;
__s32 irq_serialize;
__s32 odr_entries;
struct odr odr_table[MAX_ODR_SETTING_ENTRIES];
__s32 range_entries;
struct range_setting range_table[MAX_RANGES];
__s32 sysfs_entries;
__s32 default_range;
struct sysfs_entry sysfs_table[MAX_SYSFS_ENTRIES];
struct lowlevel_action_index indexs[SENSOR_ACTION_RESERVE];
/*struct lowlevel_action *actions;*/
__s32 actions;
}__attribute__ ((packed));
/*sensor config image
* @num:how many sensor config in this image
* @configs:sensor config array of all supported sensors
*/
struct sensor_config_image {
__u32 magic;
__u32 flags;
__u32 dbg_sensors;
__u32 dbg_level;
__s32 num;
__u32 configs;
};
#define DATA_STACK_MAX_SIZE 0x20
#define PRIVATE_MAX_SIZE 0x20
/*general flags*/
#define SG_FLAGS_BOOT_DISABLE 0x1
/*the way to start parse*/
#define SG_START 0x1
#define SG_FORCE_START 0x2
/*maxium number of external c functions*/
#define MAX_EXTERN_C 100
#endif
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