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mlxsw: reg: Add definition of temperature management registers

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Add definition of MTCAP and MTMP registers which provide access to
temperature sensors.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2015-11-27 13:45:56 +01:00 committed by David S. Miller
parent 3a66ee38dc
commit 85926f8770
1 changed files with 111 additions and 0 deletions
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111
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -2087,6 +2087,113 @@ static inline void mlxsw_reg_hpkt_pack(char *payload, u8 action, u16 trap_id)
mlxsw_reg_hpkt_ctrl_set(payload, MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT);
}
/* MTCAP - Management Temperature Capabilities
* -------------------------------------------
* This register exposes the capabilities of the device and
* system temperature sensing.
*/
#define MLXSW_REG_MTCAP_ID 0x9009
#define MLXSW_REG_MTCAP_LEN 0x08
static const struct mlxsw_reg_info mlxsw_reg_mtcap = {
.id = MLXSW_REG_MTCAP_ID,
.len = MLXSW_REG_MTCAP_LEN,
};
/* reg_mtcap_sensor_count
* Number of sensors supported by the device.
* This includes the QSFP module sensors (if exists in the QSFP module).
* Access: RO
*/
MLXSW_ITEM32(reg, mtcap, sensor_count, 0x00, 0, 7);
/* MTMP - Management Temperature
* -----------------------------
* This register controls the settings of the temperature measurements
* and enables reading the temperature measurements. Note that temperature
* is in 0.125 degrees Celsius.
*/
#define MLXSW_REG_MTMP_ID 0x900A
#define MLXSW_REG_MTMP_LEN 0x20
static const struct mlxsw_reg_info mlxsw_reg_mtmp = {
.id = MLXSW_REG_MTMP_ID,
.len = MLXSW_REG_MTMP_LEN,
};
/* reg_mtmp_sensor_index
* Sensors index to access.
* 64-127 of sensor_index are mapped to the SFP+/QSFP modules sequentially
* (module 0 is mapped to sensor_index 64).
* Access: Index
*/
MLXSW_ITEM32(reg, mtmp, sensor_index, 0x00, 0, 7);
/* Convert to milli degrees Celsius */
#define MLXSW_REG_MTMP_TEMP_TO_MC(val) (val * 125)
/* reg_mtmp_temperature
* Temperature reading from the sensor. Reading is in 0.125 Celsius
* degrees units.
* Access: RO
*/
MLXSW_ITEM32(reg, mtmp, temperature, 0x04, 0, 16);
/* reg_mtmp_mte
* Max Temperature Enable - enables measuring the max temperature on a sensor.
* Access: RW
*/
MLXSW_ITEM32(reg, mtmp, mte, 0x08, 31, 1);
/* reg_mtmp_mtr
* Max Temperature Reset - clears the value of the max temperature register.
* Access: WO
*/
MLXSW_ITEM32(reg, mtmp, mtr, 0x08, 30, 1);
/* reg_mtmp_max_temperature
* The highest measured temperature from the sensor.
* When the bit mte is cleared, the field max_temperature is reserved.
* Access: RO
*/
MLXSW_ITEM32(reg, mtmp, max_temperature, 0x08, 0, 16);
#define MLXSW_REG_MTMP_SENSOR_NAME_SIZE 8
/* reg_mtmp_sensor_name
* Sensor Name
* Access: RO
*/
MLXSW_ITEM_BUF(reg, mtmp, sensor_name, 0x18, MLXSW_REG_MTMP_SENSOR_NAME_SIZE);
static inline void mlxsw_reg_mtmp_pack(char *payload, u8 sensor_index,
bool max_temp_enable,
bool max_temp_reset)
{
MLXSW_REG_ZERO(mtmp, payload);
mlxsw_reg_mtmp_sensor_index_set(payload, sensor_index);
mlxsw_reg_mtmp_mte_set(payload, max_temp_enable);
mlxsw_reg_mtmp_mtr_set(payload, max_temp_reset);
}
static inline void mlxsw_reg_mtmp_unpack(char *payload, unsigned int *p_temp,
unsigned int *p_max_temp,
char *sensor_name)
{
u16 temp;
if (p_temp) {
temp = mlxsw_reg_mtmp_temperature_get(payload);
*p_temp = MLXSW_REG_MTMP_TEMP_TO_MC(temp);
}
if (p_max_temp) {
temp = mlxsw_reg_mtmp_temperature_get(payload);
*p_max_temp = MLXSW_REG_MTMP_TEMP_TO_MC(temp);
}
if (sensor_name)
mlxsw_reg_mtmp_sensor_name_memcpy_from(payload, sensor_name);
}
/* MLCR - Management LED Control Register
* --------------------------------------
* Controls the system LEDs.
@ -2449,6 +2556,10 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id)
return "HTGT";
case MLXSW_REG_HPKT_ID:
return "HPKT";
case MLXSW_REG_MTCAP_ID:
return "MTCAP";
case MLXSW_REG_MTMP_ID:
return "MTMP";
case MLXSW_REG_MLCR_ID:
return "MLCR";
case MLXSW_REG_SBPR_ID: