tadpmureg.h revision 1.3
1 /* $NetBSD: tadpmureg.h,v 1.3 2020/05/16 07:16:14 jdc Exp $ */ 2 3 /*- 4 * Copyright (c) 2018 Michael Lorenz <macallan (at) netbsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* registers and commands for the PMU found in Tadpole SPARCle/Viper laptops */ 30 31 #ifndef TADPMUREG_H 32 #define TADPMUREG_H 33 34 /* all values were found by looking at OF methods on the tadpmu node */ 35 36 /* these registers live in the pckbc's address space */ 37 #define TADPMU_CMD 0x6 38 #define TADPMU_STATUS 0x6 39 #define TADPMU_DATA 0x2 40 41 #define STATUS_HAVE_DATA 0x01 /* response from command */ 42 #define STATUS_CMD_IN_PROGRESS 0x02 43 #define STATUS_INTR 0x04 /* interrupt happened, read data to ack */ 44 #define STATUS_SEND_DATA 0x08 /* cmd waiting for data */ 45 46 #define CMD_SET_OPMODE 0x41 /* not sure what exactly this does... */ 47 #define OPMODE_UNIX 0x75 /* other than toggling the UNIX mode */ 48 #define OPMODE_OF 0x67 /* bit in the GENSTAT register */ 49 #define OPMODE_DBG_ON 0x64 /* Debug ON */ 50 #define OPMODE_DBG_OFF 0x6E /* Debug OFF */ 51 #define OPMODE_OBP 0x6F 52 #define CMD_CHRGCTL 0x42 53 #define CMD_SET_BACKLIGHT 0x43 /* apparently 0 - 1f */ 54 #define CMD_SET_CPUSPEED 0x44 /* in 10MHz, so 120 == 1.2GHz */ 55 #define CMD_SET_SPREADCLK 0x45 56 #define CMD_SET_FANSPEED 0x46 57 #define CMD_SET_VOLUME 0x48 /* beeper volume */ 58 #define CMD_SET_DIR_CLK 0x80 59 #define CMD_WRITE 0xC0 60 61 #define CMD_READ_GENSTAT 0x10 62 #define CMD_READ_BACKLIGHT 0x11 63 #define CMD_READ_SYSTEMP 0x12 /* temperature */ 64 #define CMD_READ_VOLUME 0x13 65 #define CMD_READ_VBATT 0x14 /* Voltage * 10 (e.g. 120 = 12.0v) */ 66 #define CMD_READ_VERSION 0x15 67 #define CMD_READ_CPUSPEED 0x16 68 #define CMD_READ_KEYSTAT 0x17 /* Pause-A, D, N, O, R */ 69 #define CMD_READ_FAN_EN 0x18 /* Fan(s): off=0x00, full=0x77 */ 70 #define CMD_READ_GENSTAT2 0x19 71 #define READ_DIPSWITCH 0x1A 72 73 #define CMD_READ_FANSPEED 0x50 /* takes a parameter, returns nothing? */ 74 75 #define CMD_SHUTDOWN 0x40 76 #define CMD_BEEP 0x47 /* Start/stop beep, param is freq */ 77 #define CMD_READ_BMU 0x70 78 #define CMD_REFLASH 0x49 79 #define CMD_READ 0x89 80 #define CMD_WRITE 0xC0 81 #define CMD_WRITE_BMU 0xC1 82 83 /* these are according to the ROM methods 84 #define GENSTAT_DC_PRESENT 0x01 85 #define GENSTAT_DC_ENABLE 0x02 86 #define GENSTAT_BATTERY_PRESENT 0x04 87 #define GENSTAT_BATTERY_CHARGING 0x08 88 #define GENSTAT_LID_CLOSED 0x10 89 #define GENSTAT_UNIX_MODE 0x20 90 #define GENSTAT_SPREADSPECTRUM 0x40 91 92 Values of genstat (from observation) 93 0b = on battery 94 3b = battery charging 95 1f = battery full 96 1b = no battery 97 */ 98 #define GENSTAT_UNIX_MODE 0x01 99 #define GENSTAT_BATTERY_PRESENT 0x04 /* only valid if DC present? */ 100 #define GENSTAT_BATTERY_CHARGED 0x08 101 #define GENSTAT_DC_PRESENT 0x10 102 #define GENSTAT_BATTERY_CHARGING 0x20 103 #define GENSTAT_LID_CLOSED 0x80 104 105 #define GENSTAT_STATE_BATTERY_FULL 0x1f 106 #define GENSTAT_STATE_BATTERY_DISCHARGE 0x0b 107 #define GENSTAT_STATE_BATTERY_CHARGE 0x3b 108 109 #define GENSTAT2_DEBUG 0x01 /* PMU debug enable? */ 110 #define GENSTAT2_MUTE 0x02 111 112 /* messages from interrupts */ 113 #define TADPMU_INTR_BATTERY_CHARGED 0x03 114 #define TADPMU_INTR_DCPOWER 0x04 115 #define TADPMU_INTR_LID 0x05 116 #define TADPMU_INTR_POWERBUTTON 0x06 117 #define TADPMU_INTR_BATTERY_VOLT 0xcd /* Voltage change */ 118 #define TADPMU_INTR_BATTERY_STATE 0xd6 /* e.g. warn -> crit */ 119 /* Other observed values: 120 0xc9 121 0xcb 122 0xd2 123 */ 124 125 #endif /* TADPMUREG_H */ 126
Indexes created Sun Sep 28 16:09:52 GMT 2025