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 @@ | |||
1 | #ifndef __THERM_PMAC_7_2_H__ | ||
2 | #define __THERM_PMAC_7_2_H__ | ||
3 | |||
4 | typedef unsigned short fu16; | ||
5 | typedef int fs32; | ||
6 | typedef short fs16; | ||
7 | |||
8 | struct mpu_data | ||
9 | { | ||
10 | u8 signature; /* 0x00 - EEPROM sig. */ | ||
11 | u8 bytes_used; /* 0x01 - Bytes used in eeprom (160 ?) */ | ||
12 | u8 size; /* 0x02 - EEPROM size (256 ?) */ | ||
13 | u8 version; /* 0x03 - EEPROM version */ | ||
14 | u32 data_revision; /* 0x04 - Dataset revision */ | ||
15 | u8 processor_bin_code[3]; /* 0x08 - Processor BIN code */ | ||
16 | u8 bin_code_expansion; /* 0x0b - ??? (padding ?) */ | ||
17 | u8 processor_num; /* 0x0c - Number of CPUs on this MPU */ | ||
18 | u8 input_mul_bus_div; /* 0x0d - Clock input multiplier/bus divider */ | ||
19 | u8 reserved1[2]; /* 0x0e - */ | ||
20 | u32 input_clk_freq_high; /* 0x10 - Input clock frequency high */ | ||
21 | u8 cpu_nb_target_cycles; /* 0x14 - ??? */ | ||
22 | u8 cpu_statlat; /* 0x15 - ??? */ | ||
23 | u8 cpu_snooplat; /* 0x16 - ??? */ | ||
24 | u8 cpu_snoopacc; /* 0x17 - ??? */ | ||
25 | u8 nb_paamwin; /* 0x18 - ??? */ | ||
26 | u8 nb_statlat; /* 0x19 - ??? */ | ||
27 | u8 nb_snooplat; /* 0x1a - ??? */ | ||
28 | u8 nb_snoopwin; /* 0x1b - ??? */ | ||
29 | u8 api_bus_mode; /* 0x1c - ??? */ | ||
30 | u8 reserved2[3]; /* 0x1d - */ | ||
31 | u32 input_clk_freq_low; /* 0x20 - Input clock frequency low */ | ||
32 | u8 processor_card_slot; /* 0x24 - Processor card slot number */ | ||
33 | u8 reserved3[2]; /* 0x25 - */ | ||
34 | u8 padjmax; /* 0x27 - Max power adjustment (Not in OF!) */ | ||
35 | u8 ttarget; /* 0x28 - Target temperature */ | ||
36 | u8 tmax; /* 0x29 - Max temperature */ | ||
37 | u8 pmaxh; /* 0x2a - Max power */ | ||
38 | u8 tguardband; /* 0x2b - Guardband temp ??? Hist. len in OSX */ | ||
39 | fs32 pid_gp; /* 0x2c - PID proportional gain */ | ||
40 | fs32 pid_gr; /* 0x30 - PID reset gain */ | ||
41 | fs32 pid_gd; /* 0x34 - PID derivative gain */ | ||
42 | fu16 voph; /* 0x38 - Vop High */ | ||
43 | fu16 vopl; /* 0x3a - Vop Low */ | ||
44 | fs16 nactual_die; /* 0x3c - nActual Die */ | ||
45 | fs16 nactual_heatsink; /* 0x3e - nActual Heatsink */ | ||
46 | fs16 nactual_system; /* 0x40 - nActual System */ | ||
47 | u16 calibration_flags; /* 0x42 - Calibration flags */ | ||
48 | fu16 mdiode; /* 0x44 - Diode M value (scaling factor) */ | ||
49 | fs16 bdiode; /* 0x46 - Diode B value (offset) */ | ||
50 | fs32 theta_heat_sink; /* 0x48 - Theta heat sink */ | ||
51 | u16 rminn_intake_fan; /* 0x4c - Intake fan min RPM */ | ||
52 | u16 rmaxn_intake_fan; /* 0x4e - Intake fan max RPM */ | ||
53 | u16 rminn_exhaust_fan; /* 0x50 - Exhaust fan min RPM */ | ||
54 | u16 rmaxn_exhaust_fan; /* 0x52 - Exhaust fan max RPM */ | ||
55 | u8 processor_part_num[8]; /* 0x54 - Processor part number XX pumps min/max */ | ||
56 | u32 processor_lot_num; /* 0x5c - Processor lot number */ | ||
57 | u8 orig_card_sernum[0x10]; /* 0x60 - Card original serial number */ | ||
58 | u8 curr_card_sernum[0x10]; /* 0x70 - Card current serial number */ | ||
59 | u8 mlb_sernum[0x18]; /* 0x80 - MLB serial number */ | ||
60 | u32 checksum1; /* 0x98 - */ | ||
61 | u32 checksum2; /* 0x9c - */ | ||
62 | }; /* Total size = 0xa0 */ | ||
63 | |||
64 | /* Display a 16.16 fixed point value */ | ||
65 | #define FIX32TOPRINT(f) ((f) >> 16),((((f) & 0xffff) * 1000) >> 16) | ||
66 | |||
67 | /* | ||
68 | * Maximum number of seconds to be in critical state (after a | ||
69 | * normal shutdown attempt). If the machine isn't down after | ||
70 | * this counter elapses, we force an immediate machine power | ||
71 | * off. | ||
72 | */ | ||
73 | #define MAX_CRITICAL_STATE 30 | ||
74 | static char * critical_overtemp_path = "/sbin/critical_overtemp"; | ||
75 | |||
76 | /* | ||
77 | * This option is "weird" :) Basically, if you define this to 1 | ||
78 | * the control loop for the RPMs fans (not PWMs) will apply the | ||
79 | * correction factor obtained from the PID to the _actual_ RPM | ||
80 | * speed read from the FCU. | ||
81 | * If you define the below constant to 0, then it will be | ||
82 | * applied to the setpoint RPM speed, that is basically the | ||
83 | * speed we proviously "asked" for. | ||
84 | * | ||
85 | * I'm not sure which of these Apple's algorithm is supposed | ||
86 | * to use | ||
87 | */ | ||
88 | #define RPM_PID_USE_ACTUAL_SPEED 0 | ||
89 | |||
90 | /* | ||
91 | * i2c IDs. Currently, we hard code those and assume that | ||
92 | * the FCU is on U3 bus 1 while all sensors are on U3 bus | ||
93 | * 0. This appear to be safe enough for this first version | ||
94 | * of the driver, though I would accept any clean patch | ||
95 | * doing a better use of the device-tree without turning the | ||
96 | * while i2c registration mecanism into a racy mess | ||
97 | * | ||
98 | * Note: Xserve changed this. We have some bits on the K2 bus, | ||
99 | * which I arbitrarily set to 0x200. Ultimately, we really want | ||
100 | * too lookup these in the device-tree though | ||
101 | */ | ||
102 | #define FAN_CTRLER_ID 0x15e | ||
103 | #define SUPPLY_MONITOR_ID 0x58 | ||
104 | #define SUPPLY_MONITORB_ID 0x5a | ||
105 | #define DRIVES_DALLAS_ID 0x94 | ||
106 | #define BACKSIDE_MAX_ID 0x98 | ||
107 | #define XSERVE_DIMMS_LM87 0x25a | ||
108 | |||
109 | /* | ||
110 | * Some MAX6690, DS1775, LM87 register definitions | ||
111 | */ | ||
112 | #define MAX6690_INT_TEMP 0 | ||
113 | #define MAX6690_EXT_TEMP 1 | ||
114 | #define DS1775_TEMP 0 | ||
115 | #define LM87_INT_TEMP 0x27 | ||
116 | |||
117 | /* | ||
118 | * Scaling factors for the AD7417 ADC converters (except | ||
119 | * for the CPU diode which is obtained from the EEPROM). | ||
120 | * Those values are obtained from the property list of | ||
121 | * the darwin driver | ||
122 | */ | ||
123 | #define ADC_12V_CURRENT_SCALE 0x0320 /* _AD2 */ | ||
124 | #define ADC_CPU_VOLTAGE_SCALE 0x00a0 /* _AD3 */ | ||
125 | #define ADC_CPU_CURRENT_SCALE 0x1f40 /* _AD4 */ | ||
126 | |||
127 | /* | ||
128 | * PID factors for the U3/Backside fan control loop. We have 2 sets | ||
129 | * of values here, one set for U3 and one set for U3H | ||
130 | */ | ||
131 | #define BACKSIDE_FAN_PWM_DEFAULT_ID 1 | ||
132 | #define BACKSIDE_FAN_PWM_INDEX 0 | ||
133 | #define BACKSIDE_PID_U3_G_d 0x02800000 | ||
134 | #define BACKSIDE_PID_U3H_G_d 0x01400000 | ||
135 | #define BACKSIDE_PID_RACK_G_d 0x00500000 | ||
136 | #define BACKSIDE_PID_G_p 0x00500000 | ||
137 | #define BACKSIDE_PID_RACK_G_p 0x0004cccc | ||
138 | #define BACKSIDE_PID_G_r 0x00000000 | ||
139 | #define BACKSIDE_PID_U3_INPUT_TARGET 0x00410000 | ||
140 | #define BACKSIDE_PID_U3H_INPUT_TARGET 0x004b0000 | ||
141 | #define BACKSIDE_PID_RACK_INPUT_TARGET 0x00460000 | ||
142 | #define BACKSIDE_PID_INTERVAL 5 | ||
143 | #define BACKSIDE_PID_RACK_INTERVAL 1 | ||
144 | #define BACKSIDE_PID_OUTPUT_MAX 100 | ||
145 | #define BACKSIDE_PID_U3_OUTPUT_MIN 20 | ||
146 | #define BACKSIDE_PID_U3H_OUTPUT_MIN 20 | ||
147 | #define BACKSIDE_PID_HISTORY_SIZE 2 | ||
148 | |||
149 | struct basckside_pid_params | ||
150 | { | ||
151 | s32 G_d; | ||
152 | s32 G_p; | ||
153 | s32 G_r; | ||
154 | s32 input_target; | ||
155 | s32 output_min; | ||
156 | s32 output_max; | ||
157 | s32 interval; | ||
158 | int additive; | ||
159 | }; | ||
160 | |||
161 | struct backside_pid_state | ||
162 | { | ||
163 | int ticks; | ||
164 | struct i2c_client * monitor; | ||
165 | s32 sample_history[BACKSIDE_PID_HISTORY_SIZE]; | ||
166 | s32 error_history[BACKSIDE_PID_HISTORY_SIZE]; | ||
167 | int cur_sample; | ||
168 | s32 last_temp; | ||
169 | int pwm; | ||
170 | int first; | ||
171 | }; | ||
172 | |||
173 | /* | ||
174 | * PID factors for the Drive Bay fan control loop | ||
175 | */ | ||
176 | #define DRIVES_FAN_RPM_DEFAULT_ID 2 | ||
177 | #define DRIVES_FAN_RPM_INDEX 1 | ||
178 | #define DRIVES_PID_G_d 0x01e00000 | ||
179 | #define DRIVES_PID_G_p 0x00500000 | ||
180 | #define DRIVES_PID_G_r 0x00000000 | ||
181 | #define DRIVES_PID_INPUT_TARGET 0x00280000 | ||
182 | #define DRIVES_PID_INTERVAL 5 | ||
183 | #define DRIVES_PID_OUTPUT_MAX 4000 | ||
184 | #define DRIVES_PID_OUTPUT_MIN 300 | ||
185 | #define DRIVES_PID_HISTORY_SIZE 2 | ||
186 | |||
187 | struct drives_pid_state | ||
188 | { | ||
189 | int ticks; | ||
190 | struct i2c_client * monitor; | ||
191 | s32 sample_history[BACKSIDE_PID_HISTORY_SIZE]; | ||
192 | s32 error_history[BACKSIDE_PID_HISTORY_SIZE]; | ||
193 | int cur_sample; | ||
194 | s32 last_temp; | ||
195 | int rpm; | ||
196 | int first; | ||
197 | }; | ||
198 | |||
199 | #define SLOTS_FAN_PWM_DEFAULT_ID 2 | ||
200 | #define SLOTS_FAN_PWM_INDEX 2 | ||
201 | #define SLOTS_FAN_DEFAULT_PWM 50 /* Do better here ! */ | ||
202 | |||
203 | |||
204 | /* | ||
205 | * PID factors for the Xserve DIMM control loop | ||
206 | */ | ||
207 | #define DIMM_PID_G_d 0 | ||
208 | #define DIMM_PID_G_p 0 | ||
209 | #define DIMM_PID_G_r 0x6553600 | ||
210 | #define DIMM_PID_INPUT_TARGET 3276800 | ||
211 | #define DIMM_PID_INTERVAL 1 | ||
212 | #define DIMM_PID_OUTPUT_MAX 14000 | ||
213 | #define DIMM_PID_OUTPUT_MIN 4000 | ||
214 | #define DIMM_PID_HISTORY_SIZE 20 | ||
215 | |||
216 | struct dimm_pid_state | ||
217 | { | ||
218 | int ticks; | ||
219 | struct i2c_client * monitor; | ||
220 | s32 sample_history[DIMM_PID_HISTORY_SIZE]; | ||
221 | s32 error_history[DIMM_PID_HISTORY_SIZE]; | ||
222 | int cur_sample; | ||
223 | s32 last_temp; | ||
224 | int first; | ||
225 | int output; | ||
226 | }; | ||
227 | |||
228 | |||
229 | |||
230 | /* Desktops */ | ||
231 | |||
232 | #define CPUA_INTAKE_FAN_RPM_DEFAULT_ID 3 | ||
233 | #define CPUA_EXHAUST_FAN_RPM_DEFAULT_ID 4 | ||
234 | #define CPUB_INTAKE_FAN_RPM_DEFAULT_ID 5 | ||
235 | #define CPUB_EXHAUST_FAN_RPM_DEFAULT_ID 6 | ||
236 | |||
237 | #define CPUA_INTAKE_FAN_RPM_INDEX 3 | ||
238 | #define CPUA_EXHAUST_FAN_RPM_INDEX 4 | ||
239 | #define CPUB_INTAKE_FAN_RPM_INDEX 5 | ||
240 | #define CPUB_EXHAUST_FAN_RPM_INDEX 6 | ||
241 | |||
242 | #define CPU_INTAKE_SCALE 0x0000f852 | ||
243 | #define CPU_TEMP_HISTORY_SIZE 2 | ||
244 | #define CPU_POWER_HISTORY_SIZE 10 | ||
245 | #define CPU_PID_INTERVAL 1 | ||
246 | #define CPU_MAX_OVERTEMP 30 | ||
247 | |||
248 | #define CPUA_PUMP_RPM_INDEX 7 | ||
249 | #define CPUB_PUMP_RPM_INDEX 8 | ||
250 | #define CPU_PUMP_OUTPUT_MAX 3200 | ||
251 | #define CPU_PUMP_OUTPUT_MIN 1250 | ||
252 | |||
253 | /* Xserve */ | ||
254 | #define CPU_A1_FAN_RPM_INDEX 9 | ||
255 | #define CPU_A2_FAN_RPM_INDEX 10 | ||
256 | #define CPU_A3_FAN_RPM_INDEX 11 | ||
257 | #define CPU_B1_FAN_RPM_INDEX 12 | ||
258 | #define CPU_B2_FAN_RPM_INDEX 13 | ||
259 | #define CPU_B3_FAN_RPM_INDEX 14 | ||
260 | |||
261 | |||
262 | struct cpu_pid_state | ||
263 | { | ||
264 | int index; | ||
265 | struct i2c_client * monitor; | ||
266 | struct mpu_data mpu; | ||
267 | int overtemp; | ||
268 | s32 temp_history[CPU_TEMP_HISTORY_SIZE]; | ||
269 | int cur_temp; | ||
270 | s32 power_history[CPU_POWER_HISTORY_SIZE]; | ||
271 | s32 error_history[CPU_POWER_HISTORY_SIZE]; | ||
272 | int cur_power; | ||
273 | int count_power; | ||
274 | int rpm; | ||
275 | int intake_rpm; | ||
276 | s32 voltage; | ||
277 | s32 current_a; | ||
278 | s32 last_temp; | ||
279 | s32 last_power; | ||
280 | int first; | ||
281 | u8 adc_config; | ||
282 | s32 pump_min; | ||
283 | s32 pump_max; | ||
284 | }; | ||
285 | |||
286 | /* | ||
287 | * Driver state | ||
288 | */ | ||
289 | enum { | ||
290 | state_detached, | ||
291 | state_attaching, | ||
292 | state_attached, | ||
293 | state_detaching, | ||
294 | }; | ||
295 | |||
296 | |||
297 | #endif /* __THERM_PMAC_7_2_H__ */ | ||