lm96000.c File Reference

#include <delay.h>
#include <timer.h>
#include <console/console.h>
#include <device/device.h>
#include <device/i2c_bus.h>
#include "lm96000.h"
#include "chip.h"

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Functions
static int	lm96000_read (struct device *const dev, const u8 reg)
static int	lm96000_write (struct device *const dev, const u8 reg, const u8 value)
static int	lm96000_update (struct device *const dev, const u8 reg, const u8 clear_mask, const u8 set_mask)
static u8	lm96000_to_low_limit (const enum lm96000_vin ref, const u16 limit)
static u8	lm96000_to_high_limit (const enum lm96000_vin ref, const u16 limit)
static void	lm96000_set_vin_limits (struct device *const dev, const struct drivers_i2c_lm96000_config *const config)
static void	lm96000_set_temp_limits (struct device *const dev, const struct drivers_i2c_lm96000_config *const config)
static u16	lm96000_rpm_to_tach (const u16 rpm)
static void	lm96000_set_fan_limits (struct device *const dev, const struct drivers_i2c_lm96000_config *const config)
static u8	lm96000_to_duty (const u8 duty_cycle)
static void	lm96000_configure_pwm (struct device *const dev, const unsigned int fan, const struct lm96000_fan_config *const config)
static void	lm96000_configure_temp_zone (struct device *const dev, const unsigned int zone, const struct lm96000_temp_zone *const config)
static void	lm96000_init (struct device *const dev)
static void	lm96000_enable (struct device *const dev)

Variables
static const unsigned int	ref_mv [] = { 2500, 2250, 3300, 5000, 12000 }
static struct device_operations	lm96000_ops
struct chip_operations	drivers_i2c_lm96000_ops

Function Documentation

lm96000_configure_pwm()

static void lm96000_configure_pwm ( struct device *const  dev, const unsigned int  fan, const struct lm96000_fan_config *const  config  )

static

Definition at line 102 of file lm96000.c.

References config, LM96000_FAN_CFG, LM96000_FAN_CFG_MODE_MASK, LM96000_FAN_CFG_MODE_SHIFT, LM96000_FAN_CFG_PWM_INVERT, LM96000_FAN_CFG_SPINUP_MASK, LM96000_FAN_DUTY, LM96000_FAN_FREQ, LM96000_FAN_FREQ_MASK, LM96000_FAN_HOTTEST_123, LM96000_FAN_HOTTEST_23, LM96000_FAN_MANUAL, LM96000_FAN_MIN_PWM, LM96000_FAN_ZONE_1_AUTO, LM96000_FAN_ZONE_2_AUTO, LM96000_FAN_ZONE_3_AUTO, LM96000_PWM_94HZ, LM96000_TACH_MODE_FAN_MASK, LM96000_TACH_MODE_FAN_SHIFT, LM96000_TACH_MONITOR_MODE, lm96000_to_duty(), lm96000_update(), and lm96000_write().

Referenced by lm96000_init().

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lm96000_configure_temp_zone()

static void lm96000_configure_temp_zone ( struct device *const  dev, const unsigned int  zone, const struct lm96000_temp_zone *const  config  )

static

Definition at line 138 of file lm96000.c.

References ARRAY_SIZE, config, LM96000_FAN_MIN, LM96000_FAN_MIN_OFF, lm96000_update(), lm96000_write(), LM96000_ZONE_HYST_MASK, LM96000_ZONE_HYST_SHIFT, LM96000_ZONE_HYSTERESIS, LM96000_ZONE_RANGE, LM96000_ZONE_RANGE_MASK, LM96000_ZONE_RANGE_SHIFT, LM96000_ZONE_SMOOTH, LM96000_ZONE_SMOOTH_EN, LM96000_ZONE_SMOOTH_MASK, LM96000_ZONE_TEMP_LOW, and LM96000_ZONE_TEMP_PANIC.

Referenced by lm96000_init().

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lm96000_enable()

static void lm96000_enable ( struct device *const  dev )

static

Definition at line 212 of file lm96000.c.

lm96000_init()

static void lm96000_init ( struct device *const  dev )

static

Definition at line 172 of file lm96000.c.

References BIOS_DEBUG, BIOS_INFO, device::chip_info, config, LM96000_CONFIG, lm96000_configure_pwm(), lm96000_configure_temp_zone(), LM96000_FAN_IGNORE, LM96000_PWM_CTL_CNT, lm96000_read(), LM96000_READY, lm96000_set_fan_limits(), lm96000_set_temp_limits(), lm96000_set_vin_limits(), LM96000_START, LM96000_TEMP_ZONE_CNT, lm96000_update(), mdelay(), printk, stopwatch_expired(), and stopwatch_init_msecs_expire().

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lm96000_read()

static int lm96000_read ( struct device *const  dev, const u8  reg  )

inlinestatic

Definition at line 12 of file lm96000.c.

References i2c_dev_readb_at().

Referenced by lm96000_init().

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lm96000_rpm_to_tach()

static u16 lm96000_rpm_to_tach ( const u16  rpm )

static

Definition at line 80 of file lm96000.c.

Referenced by lm96000_set_fan_limits().

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lm96000_set_fan_limits()

static void lm96000_set_fan_limits ( struct device *const  dev, const struct drivers_i2c_lm96000_config *const  config  )

static

Definition at line 85 of file lm96000.c.

References config, LM96000_FAN_IN_CNT, LM96000_FAN_LOW_LIMIT, lm96000_rpm_to_tach(), and lm96000_write().

Referenced by lm96000_init().

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lm96000_set_temp_limits()

static void lm96000_set_temp_limits ( struct device *const  dev, const struct drivers_i2c_lm96000_config *const  config  )

static

Definition at line 64 of file lm96000.c.

References config, LM96000_TEMP_HIGH_LIMIT, LM96000_TEMP_IN_CNT, LM96000_TEMP_LOW_LIMIT, and lm96000_write().

Referenced by lm96000_init().

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lm96000_set_vin_limits()

static void lm96000_set_vin_limits ( struct device *const  dev, const struct drivers_i2c_lm96000_config *const  config  )

static

Definition at line 48 of file lm96000.c.

References config, lm96000_to_high_limit(), lm96000_to_low_limit(), LM96000_VIN_CNT, LM96000_VIN_HIGH_LIMIT, LM96000_VIN_LOW_LIMIT, and lm96000_write().

Referenced by lm96000_init().

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lm96000_to_duty()

static u8 lm96000_to_duty ( const u8  duty_cycle )

static

Definition at line 97 of file lm96000.c.

Referenced by lm96000_configure_pwm().

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lm96000_to_high_limit()

static u8 lm96000_to_high_limit ( const enum lm96000_vin  ref, const u16  limit  )

static

Definition at line 41 of file lm96000.c.

References DIV_ROUND_UP, and ref_mv.

Referenced by lm96000_set_vin_limits().

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lm96000_to_low_limit()

static u8 lm96000_to_low_limit ( const enum lm96000_vin  ref, const u16  limit  )

static

Definition at line 34 of file lm96000.c.

References ref_mv.

Referenced by lm96000_set_vin_limits().

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lm96000_update()

static int lm96000_update ( struct device *const  dev, const u8  reg, const u8  clear_mask, const u8  set_mask  )

inlinestatic

Definition at line 23 of file lm96000.c.

References i2c_dev_readb_at(), i2c_dev_writeb_at(), and val.

Referenced by lm96000_configure_pwm(), lm96000_configure_temp_zone(), and lm96000_init().

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lm96000_write()

static int lm96000_write ( struct device *const  dev, const u8  reg, const u8  value  )

inlinestatic

Definition at line 17 of file lm96000.c.

References i2c_dev_writeb_at(), and value.

Referenced by lm96000_configure_pwm(), lm96000_configure_temp_zone(), lm96000_set_fan_limits(), lm96000_set_temp_limits(), and lm96000_set_vin_limits().

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Variable Documentation

drivers_i2c_lm96000_ops

struct chip_operations drivers_i2c_lm96000_ops

Initial value:

= {
 
        .enable_dev = lm96000_enable
}

Definition at line 212 of file lm96000.c.

lm96000_ops

struct device_operations lm96000_ops

static

Initial value:

= {
        .read_resources         = noop_read_resources,
        .set_resources          = noop_set_resources,
        .init                   = lm96000_init,
}

Definition at line 172 of file lm96000.c.

ref_mv

const unsigned int ref_mv[] = { 2500, 2250, 3300, 5000, 12000 }

static

Definition at line 32 of file lm96000.c.

Referenced by lm96000_to_high_limit(), and lm96000_to_low_limit().