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Commit b074cf80 authored by Wolfram Sang's avatar Wolfram Sang
Browse files

macintosh: therm_pm72: delete deprecated driver 



The new driver is around for more than 2 years now, so the old one can
go. Getting rid of it helps the removal of the legacy .attach_adapter
callback of the I2C subsystem.

Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
Acked-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent f16ea4f0

drivers/macintosh/Kconfig

+0 −10
Original line number Diff line number Diff line
@@ -204,16 +204,6 @@ config THERM_ADT746X 
          iBook G4, and the ATI based aluminium PowerBooks, allowing slightly

	  better fan behaviour by default, and some manual control.



config THERM_PM72

	tristate "Support for thermal management on PowerMac G5 (AGP)"

	depends on I2C && I2C_POWERMAC && PPC_PMAC64

	default n

	help

	  This driver provides thermostat and fan control for the desktop

	  G5 machines.



	  This is deprecated, use windfarm instead.



config WINDFARM

	tristate "New PowerMac thermal control infrastructure"

	depends on PPC

drivers/macintosh/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -25,7 +25,6 @@ obj-$(CONFIG_ADB_IOP) += adb-iop.o 
obj-$(CONFIG_ADB_PMU68K)	+= via-pmu68k.o

obj-$(CONFIG_ADB_MACIO)		+= macio-adb.o



obj-$(CONFIG_THERM_PM72)	+= therm_pm72.o

obj-$(CONFIG_THERM_WINDTUNNEL)	+= therm_windtunnel.o

obj-$(CONFIG_THERM_ADT746X)	+= therm_adt746x.o

obj-$(CONFIG_WINDFARM)	        += windfarm_core.o

drivers/macintosh/therm_pm72.c

deleted100644 → 0
+0 −2278

File deleted.

Preview size limit exceeded, changes collapsed.

drivers/macintosh/therm_pm72.h

deleted100644 → 0
+0 −326
Original line number Diff line number Diff line 
#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__ */