forked from ~ljy/RK356X_SDK_RELEASE
kernel/drivers/macintosh/windfarm_pm121.c
.. .. @@ -1,3 +1,4 @@ 1 1 2 /* 2 3 * Windfarm PowerMac thermal control. iMac G5 iSight 3 4 * .. .. @@ -6,13 +7,8 @@ 6 7 * Bits & pieces from windfarm_pm81.c by (c) Copyright 2005 Benjamin 7 8 * Herrenschmidt, IBM Corp. <benh@kernel.crashing.org> 8 9 * 9 10 11 12 13 10 * PowerMac12,1 14 11 * ============ 15 16 12 * 17 13 * The algorithm used is the PID control algorithm, used the same way 18 14 * the published Darwin code does, using the same values that are .. .. @@ -24,7 +20,6 @@ 24 20 * 17" while Model 3 is iMac G5 20". They do have both the same 25 21 * controls with a tiny difference. The control-ids of hard-drive-fan 26 22 * and cpu-fan is swapped. 27 28 23 * 29 24 * Target Correction : 30 25 * .. .. @@ -63,7 +58,6 @@ 63 58 * offset : -15650652 64 59 * slope : 1565065 65 60 * 66 67 61 * Target rubber-banding : 68 62 * 69 63 * Some controls have a target correction which depends on another .. .. @@ -75,7 +69,6 @@ 75 69 * greater than 0, then we correct the target value using : 76 70 * 77 71 * new_target = max (new_target, new_min >> 16) 78 79 72 * 80 73 * # model_id : 2 81 74 * control : cpu-fan .. .. @@ -89,11 +82,9 @@ 89 82 * offset : -32768000 90 83 * slope : 65536 91 84 * 92 93 85 * In order to have the moste efficient correction with those 94 86 * dependencies, we must trigger HD loop before OD loop before CPU 95 87 * loop. 96 97 88 * 98 89 * The various control loops found in Darwin config file are: 99 90 * .. .. @@ -191,12 +182,10 @@ 191 182 * sensors : cpu-temp, cpu-power 192 183 * PID params : from SDB partition 193 184 * 194 195 185 * CPU Slew control loop. 196 186 * 197 187 * control : cpufreq-clamp 198 188 * sensor : cpu-temp 199 200 189 */ 201 190 202 191 #undef DEBUG
