diff options
Diffstat (limited to 'include/hw/i2c/pmbus_device.h')
| -rw-r--r-- | include/hw/i2c/pmbus_device.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h index 62bd38c83f..0f4d6b3fad 100644 --- a/include/hw/i2c/pmbus_device.h +++ b/include/hw/i2c/pmbus_device.h @@ -43,6 +43,7 @@ enum pmbus_registers { PMBUS_VOUT_DROOP = 0x28, /* R/W word */ PMBUS_VOUT_SCALE_LOOP = 0x29, /* R/W word */ PMBUS_VOUT_SCALE_MONITOR = 0x2A, /* R/W word */ + PMBUS_VOUT_MIN = 0x2B, /* R/W word */ PMBUS_COEFFICIENTS = 0x30, /* Read-only block 5 bytes */ PMBUS_POUT_MAX = 0x31, /* R/W word */ PMBUS_MAX_DUTY = 0x32, /* R/W word */ @@ -227,6 +228,8 @@ enum pmbus_registers { #define PB_MAX_PAGES 0x1F #define PB_ALL_PAGES 0xFF +#define PMBUS_ERR_BYTE 0xFF + #define TYPE_PMBUS_DEVICE "pmbus-device" OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass, PMBUS_DEVICE) @@ -255,6 +258,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass, #define PB_HAS_TEMP3 BIT_ULL(42) #define PB_HAS_TEMP_RATING BIT_ULL(43) #define PB_HAS_MFR_INFO BIT_ULL(50) +#define PB_HAS_STATUS_MFR_SPECIFIC BIT_ULL(51) struct PMBusDeviceClass { SMBusDeviceClass parent_class; @@ -295,6 +299,7 @@ typedef struct PMBusPage { uint16_t vout_droop; /* R/W word */ uint16_t vout_scale_loop; /* R/W word */ uint16_t vout_scale_monitor; /* R/W word */ + uint16_t vout_min; /* R/W word */ uint8_t coefficients[5]; /* Read-only block 5 bytes */ uint16_t pout_max; /* R/W word */ uint16_t max_duty; /* R/W word */ @@ -443,7 +448,7 @@ typedef struct PMBusCoefficients { * * Y = (m * x - b) * 10^R * - * @return uint32_t + * @return uint16_t */ uint16_t pmbus_data2direct_mode(PMBusCoefficients c, uint32_t value); @@ -457,6 +462,24 @@ uint16_t pmbus_data2direct_mode(PMBusCoefficients c, uint32_t value); uint32_t pmbus_direct_mode2data(PMBusCoefficients c, uint16_t value); /** + * Convert sensor values to linear mode format + * + * L = D * 2^(-e) + * + * @return uint16 + */ +uint16_t pmbus_data2linear_mode(uint16_t value, int exp); + +/** + * Convert linear mode formatted data into sensor reading + * + * D = L * 2^e + * + * @return uint16 + */ +uint16_t pmbus_linear_mode2data(uint16_t value, int exp); + +/** * @brief Send a block of data over PMBus * Assumes that the bytes in the block are already ordered correctly, * also assumes the length has been prepended to the block if necessary |