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mlxsw: reg: Add definition of fan management registers
Add definition of MFCR, MFSC and MFSM which provide possibility to control and monitor fans. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
David S. Miller
parent
89309da39f
commit
5246f2e29a
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@ -2087,6 +2087,133 @@ static inline void mlxsw_reg_hpkt_pack(char *payload, u8 action, u16 trap_id)
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mlxsw_reg_hpkt_ctrl_set(payload, MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT);
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}
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/* MFCR - Management Fan Control Register
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* --------------------------------------
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* This register controls the settings of the Fan Speed PWM mechanism.
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*/
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#define MLXSW_REG_MFCR_ID 0x9001
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#define MLXSW_REG_MFCR_LEN 0x08
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static const struct mlxsw_reg_info mlxsw_reg_mfcr = {
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.id = MLXSW_REG_MFCR_ID,
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.len = MLXSW_REG_MFCR_LEN,
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};
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enum mlxsw_reg_mfcr_pwm_frequency {
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MLXSW_REG_MFCR_PWM_FEQ_11HZ = 0x00,
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MLXSW_REG_MFCR_PWM_FEQ_14_7HZ = 0x01,
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MLXSW_REG_MFCR_PWM_FEQ_22_1HZ = 0x02,
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MLXSW_REG_MFCR_PWM_FEQ_1_4KHZ = 0x40,
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MLXSW_REG_MFCR_PWM_FEQ_5KHZ = 0x41,
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MLXSW_REG_MFCR_PWM_FEQ_20KHZ = 0x42,
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MLXSW_REG_MFCR_PWM_FEQ_22_5KHZ = 0x43,
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MLXSW_REG_MFCR_PWM_FEQ_25KHZ = 0x44,
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};
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/* reg_mfcr_pwm_frequency
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* Controls the frequency of the PWM signal.
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* Access: RW
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*/
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MLXSW_ITEM32(reg, mfcr, pwm_frequency, 0x00, 0, 6);
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#define MLXSW_MFCR_TACHOS_MAX 10
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/* reg_mfcr_tacho_active
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* Indicates which of the tachometer is active (bit per tachometer).
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* Access: RO
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*/
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MLXSW_ITEM32(reg, mfcr, tacho_active, 0x04, 16, MLXSW_MFCR_TACHOS_MAX);
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#define MLXSW_MFCR_PWMS_MAX 5
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/* reg_mfcr_pwm_active
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* Indicates which of the PWM control is active (bit per PWM).
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* Access: RO
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*/
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MLXSW_ITEM32(reg, mfcr, pwm_active, 0x04, 0, MLXSW_MFCR_PWMS_MAX);
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static inline void
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mlxsw_reg_mfcr_pack(char *payload,
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enum mlxsw_reg_mfcr_pwm_frequency pwm_frequency)
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{
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MLXSW_REG_ZERO(mfcr, payload);
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mlxsw_reg_mfcr_pwm_frequency_set(payload, pwm_frequency);
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}
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static inline void
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mlxsw_reg_mfcr_unpack(char *payload,
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enum mlxsw_reg_mfcr_pwm_frequency *p_pwm_frequency,
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u16 *p_tacho_active, u8 *p_pwm_active)
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{
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*p_pwm_frequency = mlxsw_reg_mfcr_pwm_frequency_get(payload);
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*p_tacho_active = mlxsw_reg_mfcr_tacho_active_get(payload);
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*p_pwm_active = mlxsw_reg_mfcr_pwm_active_get(payload);
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}
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/* MFSC - Management Fan Speed Control Register
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* --------------------------------------------
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* This register controls the settings of the Fan Speed PWM mechanism.
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*/
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#define MLXSW_REG_MFSC_ID 0x9002
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#define MLXSW_REG_MFSC_LEN 0x08
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static const struct mlxsw_reg_info mlxsw_reg_mfsc = {
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.id = MLXSW_REG_MFSC_ID,
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.len = MLXSW_REG_MFSC_LEN,
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};
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/* reg_mfsc_pwm
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* Fan pwm to control / monitor.
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* Access: Index
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*/
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MLXSW_ITEM32(reg, mfsc, pwm, 0x00, 24, 3);
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/* reg_mfsc_pwm_duty_cycle
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* Controls the duty cycle of the PWM. Value range from 0..255 to
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* represent duty cycle of 0%...100%.
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* Access: RW
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*/
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MLXSW_ITEM32(reg, mfsc, pwm_duty_cycle, 0x04, 0, 8);
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static inline void mlxsw_reg_mfsc_pack(char *payload, u8 pwm,
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u8 pwm_duty_cycle)
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{
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MLXSW_REG_ZERO(mfsc, payload);
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mlxsw_reg_mfsc_pwm_set(payload, pwm);
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mlxsw_reg_mfsc_pwm_duty_cycle_set(payload, pwm_duty_cycle);
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}
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/* MFSM - Management Fan Speed Measurement
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* ---------------------------------------
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* This register controls the settings of the Tacho measurements and
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* enables reading the Tachometer measurements.
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*/
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#define MLXSW_REG_MFSM_ID 0x9003
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#define MLXSW_REG_MFSM_LEN 0x08
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static const struct mlxsw_reg_info mlxsw_reg_mfsm = {
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.id = MLXSW_REG_MFSM_ID,
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.len = MLXSW_REG_MFSM_LEN,
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};
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/* reg_mfsm_tacho
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* Fan tachometer index.
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* Access: Index
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*/
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MLXSW_ITEM32(reg, mfsm, tacho, 0x00, 24, 4);
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/* reg_mfsm_rpm
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* Fan speed (round per minute).
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* Access: RO
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*/
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MLXSW_ITEM32(reg, mfsm, rpm, 0x04, 0, 16);
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static inline void mlxsw_reg_mfsm_pack(char *payload, u8 tacho)
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{
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MLXSW_REG_ZERO(mfsm, payload);
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mlxsw_reg_mfsm_tacho_set(payload, tacho);
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}
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/* MTCAP - Management Temperature Capabilities
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* -------------------------------------------
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* This register exposes the capabilities of the device and
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@ -2556,6 +2683,12 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id)
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return "HTGT";
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case MLXSW_REG_HPKT_ID:
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return "HPKT";
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case MLXSW_REG_MFCR_ID:
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return "MFCR";
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case MLXSW_REG_MFSC_ID:
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return "MFSC";
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case MLXSW_REG_MFSM_ID:
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return "MFSM";
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case MLXSW_REG_MTCAP_ID:
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return "MTCAP";
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case MLXSW_REG_MTMP_ID:
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