diff options
Diffstat (limited to 'drivers/macintosh/therm_pm72.h')
| -rw-r--r-- | drivers/macintosh/therm_pm72.h | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/drivers/macintosh/therm_pm72.h b/drivers/macintosh/therm_pm72.h new file mode 100644 index 000000000000..c17e61f9c418 --- /dev/null +++ b/drivers/macintosh/therm_pm72.h @@ -0,0 +1,297 @@ +#ifndef __THERM_PMAC_7_2_H__ +#define __THERM_PMAC_7_2_H__ + +typedef unsigned short fu16; +typedef int fs32; +typedef short fs16; + +struct mpu_data +{ + u8 signature; /* 0x00 - EEPROM sig. */ + u8 bytes_used; /* 0x01 - Bytes used in eeprom (160 ?) */ + u8 size; /* 0x02 - EEPROM size (256 ?) */ + u8 version; /* 0x03 - EEPROM version */ + u32 data_revision; /* 0x04 - Dataset revision */ + u8 processor_bin_code[3]; /* 0x08 - Processor BIN code */ + u8 bin_code_expansion; /* 0x0b - ??? (padding ?) */ + u8 processor_num; /* 0x0c - Number of CPUs on this MPU */ + u8 input_mul_bus_div; /* 0x0d - Clock input multiplier/bus divider */ + u8 reserved1[2]; /* 0x0e - */ + u32 input_clk_freq_high; /* 0x10 - Input clock frequency high */ + u8 cpu_nb_target_cycles; /* 0x14 - ??? */ + u8 cpu_statlat; /* 0x15 - ??? */ + u8 cpu_snooplat; /* 0x16 - ??? */ + u8 cpu_snoopacc; /* 0x17 - ??? */ + u8 nb_paamwin; /* 0x18 - ??? */ + u8 nb_statlat; /* 0x19 - ??? */ + u8 nb_snooplat; /* 0x1a - ??? */ + u8 nb_snoopwin; /* 0x1b - ??? */ + u8 api_bus_mode; /* 0x1c - ??? */ + u8 reserved2[3]; /* 0x1d - */ + u32 input_clk_freq_low; /* 0x20 - Input clock frequency low */ + u8 processor_card_slot; /* 0x24 - Processor card slot number */ + u8 reserved3[2]; /* 0x25 - */ + u8 padjmax; /* 0x27 - Max power adjustment (Not in OF!) */ + u8 ttarget; /* 0x28 - Target temperature */ + u8 tmax; /* 0x29 - Max temperature */ + u8 pmaxh; /* 0x2a - Max power */ + u8 tguardband; /* 0x2b - Guardband temp ??? Hist. len in OSX */ + fs32 pid_gp; /* 0x2c - PID proportional gain */ + fs32 pid_gr; /* 0x30 - PID reset gain */ + fs32 pid_gd; /* 0x34 - PID derivative gain */ + fu16 voph; /* 0x38 - Vop High */ + fu16 vopl; /* 0x3a - Vop Low */ + fs16 nactual_die; /* 0x3c - nActual Die */ + fs16 nactual_heatsink; /* 0x3e - nActual Heatsink */ + fs16 nactual_system; /* 0x40 - nActual System */ + u16 calibration_flags; /* 0x42 - Calibration flags */ + fu16 mdiode; /* 0x44 - Diode M value (scaling factor) */ + fs16 bdiode; /* 0x46 - Diode B value (offset) */ + fs32 theta_heat_sink; /* 0x48 - Theta heat sink */ + u16 rminn_intake_fan; /* 0x4c - Intake fan min RPM */ + u16 rmaxn_intake_fan; /* 0x4e - Intake fan max RPM */ + u16 rminn_exhaust_fan; /* 0x50 - Exhaust fan min RPM */ + u16 rmaxn_exhaust_fan; /* 0x52 - Exhaust fan max RPM */ + u8 processor_part_num[8]; /* 0x54 - Processor part number XX pumps min/max */ + u32 processor_lot_num; /* 0x5c - Processor lot number */ + u8 orig_card_sernum[0x10]; /* 0x60 - Card original serial number */ + u8 curr_card_sernum[0x10]; /* 0x70 - Card current serial number */ + u8 mlb_sernum[0x18]; /* 0x80 - MLB serial number */ + u32 checksum1; /* 0x98 - */ + u32 checksum2; /* 0x9c - */ +}; /* Total size = 0xa0 */ + +/* Display a 16.16 fixed point value */ +#define FIX32TOPRINT(f) ((f) >> 16),((((f) & 0xffff) * 1000) >> 16) + +/* + * Maximum number of seconds to be in critical state (after a + * normal shutdown attempt). If the machine isn't down after + * this counter elapses, we force an immediate machine power + * off. + */ +#define MAX_CRITICAL_STATE 30 +static char * critical_overtemp_path = "/sbin/critical_overtemp"; + +/* + * This option is "weird" :) Basically, if you define this to 1 + * the control loop for the RPMs fans (not PWMs) will apply the + * correction factor obtained from the PID to the _actual_ RPM + * speed read from the FCU. + * If you define the below constant to 0, then it will be + * applied to the setpoint RPM speed, that is basically the + * speed we proviously "asked" for. + * + * I'm not sure which of these Apple's algorithm is supposed + * to use + */ +#define RPM_PID_USE_ACTUAL_SPEED 0 + +/* + * i2c IDs. Currently, we hard code those and assume that + * the FCU is on U3 bus 1 while all sensors are on U3 bus + * 0. This appear to be safe enough for this first version + * of the driver, though I would accept any clean patch + * doing a better use of the device-tree without turning the + * while i2c registration mecanism into a racy mess + * + * Note: Xserve changed this. We have some bits on the K2 bus, + * which I arbitrarily set to 0x200. Ultimately, we really want + * too lookup these in the device-tree though + */ +#define FAN_CTRLER_ID 0x15e +#define SUPPLY_MONITOR_ID 0x58 +#define SUPPLY_MONITORB_ID 0x5a +#define DRIVES_DALLAS_ID 0x94 +#define BACKSIDE_MAX_ID 0x98 +#define XSERVE_DIMMS_LM87 0x25a + +/* + * Some MAX6690, DS1775, LM87 register definitions + */ +#define MAX6690_INT_TEMP 0 +#define MAX6690_EXT_TEMP 1 +#define DS1775_TEMP 0 +#define LM87_INT_TEMP 0x27 + +/* + * Scaling factors for the AD7417 ADC converters (except + * for the CPU diode which is obtained from the EEPROM). + * Those values are obtained from the property list of + * the darwin driver + */ +#define ADC_12V_CURRENT_SCALE 0x0320 /* _AD2 */ +#define ADC_CPU_VOLTAGE_SCALE 0x00a0 /* _AD3 */ +#define ADC_CPU_CURRENT_SCALE 0x1f40 /* _AD4 */ + +/* + * PID factors for the U3/Backside fan control loop. We have 2 sets + * of values here, one set for U3 and one set for U3H + */ +#define BACKSIDE_FAN_PWM_DEFAULT_ID 1 +#define BACKSIDE_FAN_PWM_INDEX 0 +#define BACKSIDE_PID_U3_G_d 0x02800000 +#define BACKSIDE_PID_U3H_G_d 0x01400000 +#define BACKSIDE_PID_RACK_G_d 0x00500000 +#define BACKSIDE_PID_G_p 0x00500000 +#define BACKSIDE_PID_RACK_G_p 0x0004cccc +#define BACKSIDE_PID_G_r 0x00000000 +#define BACKSIDE_PID_U3_INPUT_TARGET 0x00410000 +#define BACKSIDE_PID_U3H_INPUT_TARGET 0x004b0000 +#define BACKSIDE_PID_RACK_INPUT_TARGET 0x00460000 +#define BACKSIDE_PID_INTERVAL 5 +#define BACKSIDE_PID_RACK_INTERVAL 1 +#define BACKSIDE_PID_OUTPUT_MAX 100 +#define BACKSIDE_PID_U3_OUTPUT_MIN 20 +#define BACKSIDE_PID_U3H_OUTPUT_MIN 20 +#define BACKSIDE_PID_HISTORY_SIZE 2 + +struct basckside_pid_params +{ + s32 G_d; + s32 G_p; + s32 G_r; + s32 input_target; + s32 output_min; + s32 output_max; + s32 interval; + int additive; +}; + +struct backside_pid_state +{ + int ticks; + struct i2c_client * monitor; + s32 sample_history[BACKSIDE_PID_HISTORY_SIZE]; + s32 error_history[BACKSIDE_PID_HISTORY_SIZE]; + int cur_sample; + s32 last_temp; + int pwm; + int first; +}; + +/* + * PID factors for the Drive Bay fan control loop + */ +#define DRIVES_FAN_RPM_DEFAULT_ID 2 +#define DRIVES_FAN_RPM_INDEX 1 +#define DRIVES_PID_G_d 0x01e00000 +#define DRIVES_PID_G_p 0x00500000 +#define DRIVES_PID_G_r 0x00000000 +#define DRIVES_PID_INPUT_TARGET 0x00280000 +#define DRIVES_PID_INTERVAL 5 +#define DRIVES_PID_OUTPUT_MAX 4000 +#define DRIVES_PID_OUTPUT_MIN 300 +#define DRIVES_PID_HISTORY_SIZE 2 + +struct drives_pid_state +{ + int ticks; + struct i2c_client * monitor; + s32 sample_history[BACKSIDE_PID_HISTORY_SIZE]; + s32 error_history[BACKSIDE_PID_HISTORY_SIZE]; + int cur_sample; + s32 last_temp; + int rpm; + int first; +}; + +#define SLOTS_FAN_PWM_DEFAULT_ID 2 +#define SLOTS_FAN_PWM_INDEX 2 +#define SLOTS_FAN_DEFAULT_PWM 50 /* Do better here ! */ + + +/* + * PID factors for the Xserve DIMM control loop + */ +#define DIMM_PID_G_d 0 +#define DIMM_PID_G_p 0 +#define DIMM_PID_G_r 0x6553600 +#define DIMM_PID_INPUT_TARGET 3276800 +#define DIMM_PID_INTERVAL 1 +#define DIMM_PID_OUTPUT_MAX 14000 +#define DIMM_PID_OUTPUT_MIN 4000 +#define DIMM_PID_HISTORY_SIZE 20 + +struct dimm_pid_state +{ + int ticks; + struct i2c_client * monitor; + s32 sample_history[DIMM_PID_HISTORY_SIZE]; + s32 error_history[DIMM_PID_HISTORY_SIZE]; + int cur_sample; + s32 last_temp; + int first; + int output; +}; + + + +/* Desktops */ + +#define CPUA_INTAKE_FAN_RPM_DEFAULT_ID 3 +#define CPUA_EXHAUST_FAN_RPM_DEFAULT_ID 4 +#define CPUB_INTAKE_FAN_RPM_DEFAULT_ID 5 +#define CPUB_EXHAUST_FAN_RPM_DEFAULT_ID 6 + +#define CPUA_INTAKE_FAN_RPM_INDEX 3 +#define CPUA_EXHAUST_FAN_RPM_INDEX 4 +#define CPUB_INTAKE_FAN_RPM_INDEX 5 +#define CPUB_EXHAUST_FAN_RPM_INDEX 6 + +#define CPU_INTAKE_SCALE 0x0000f852 +#define CPU_TEMP_HISTORY_SIZE 2 +#define CPU_POWER_HISTORY_SIZE 10 +#define CPU_PID_INTERVAL 1 +#define CPU_MAX_OVERTEMP 30 + +#define CPUA_PUMP_RPM_INDEX 7 +#define CPUB_PUMP_RPM_INDEX 8 +#define CPU_PUMP_OUTPUT_MAX 3200 +#define CPU_PUMP_OUTPUT_MIN 1250 + +/* Xserve */ +#define CPU_A1_FAN_RPM_INDEX 9 +#define CPU_A2_FAN_RPM_INDEX 10 +#define CPU_A3_FAN_RPM_INDEX 11 +#define CPU_B1_FAN_RPM_INDEX 12 +#define CPU_B2_FAN_RPM_INDEX 13 +#define CPU_B3_FAN_RPM_INDEX 14 + + +struct cpu_pid_state +{ + int index; + struct i2c_client * monitor; + struct mpu_data mpu; + int overtemp; + s32 temp_history[CPU_TEMP_HISTORY_SIZE]; + int cur_temp; + s32 power_history[CPU_POWER_HISTORY_SIZE]; + s32 error_history[CPU_POWER_HISTORY_SIZE]; + int cur_power; + int count_power; + int rpm; + int intake_rpm; + s32 voltage; + s32 current_a; + s32 last_temp; + s32 last_power; + int first; + u8 adc_config; + s32 pump_min; + s32 pump_max; +}; + +/* + * Driver state + */ +enum { + state_detached, + state_attaching, + state_attached, + state_detaching, +}; + + +#endif /* __THERM_PMAC_7_2_H__ */ |
