#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 mechanism 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 #define XSERVE_SLOTS_LM75 0x290 /* * 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 40 /* 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 0x06553600 #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; }; /* * PID factors for the Xserve Slots control loop */ #define SLOTS_PID_G_d 0 #define SLOTS_PID_G_p 0 #define SLOTS_PID_G_r 0x00100000 #define SLOTS_PID_INPUT_TARGET 3200000 #define SLOTS_PID_INTERVAL 1 #define SLOTS_PID_OUTPUT_MAX 100 #define SLOTS_PID_OUTPUT_MIN 20 #define SLOTS_PID_HISTORY_SIZE 20 struct slots_pid_state { int ticks; struct i2c_client * monitor; s32 sample_history[SLOTS_PID_HISTORY_SIZE]; s32 error_history[SLOTS_PID_HISTORY_SIZE]; int cur_sample; s32 last_temp; int first; int pwm; }; /* 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 90 #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; }; /* Tickle FCU every 10 seconds */ #define FCU_TICKLE_TICKS 10 /* * Driver state */ enum { state_detached, state_attaching, state_attached, state_detaching, }; #endif /* __THERM_PMAC_7_2_H__ */