1 /* $NetBSD: tadpmureg.h,v 1.2 2018/10/13 19:53:43 macallan Exp $ */ 2 3 /*- 4 * Copyright (c) 2018 Michael Lorenz <macallan@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 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 CMD_SET_BACKLIGHT 0x43 /* apparently 0 - 1f */ 50 #define CMD_SET_CPUSPEED 0x44 /* in 10MHz, so 120 == 1.2GHz */ 51 #define CMD_SET_FANSPEED 0x46 /* ??? */ 52 #define CMD_SET_VOLUME 0x48 /* beeper volume */ 53 54 #define CMD_READ_GENSTAT 0x10 55 #define CMD_READ_BACKLIGHT 0x11 56 #define CMD_READ_SYSTEMP 0x12 /* temperature */ 57 #define CMD_READ_VOLUME 0x13 58 #define CMD_READ_VBATT 0x14 59 #define CMD_READ_VERSION 0x15 60 #define CMD_READ_CPUSPEED 0x16 61 /* 0x17 returns a byte, always 0 */ 62 /* 0x18 returns a byte, always(?) 0x77 */ 63 #define CMD_READ_GENSTAT2 0x19 64 #define CMD_READ_FANSPEED 0x50 /* takes a parameter, returns nothing? */ 65 66 /* these are according to the ROM methods 67 #define GENSTAT_DC_PRESENT 0x01 68 #define GENSTAT_DC_ENABLE 0x02 69 #define GENSTAT_BATTERY_PRESENT 0x04 70 #define GENSTAT_BATTERY_CHARGING 0x08 71 #define GENSTAT_LID_CLOSED 0x10 72 #define GENSTAT_UNIX_MODE 0x20 73 #define GENSTAT_SPREADSPECTRUM 0x40 74 */ 75 76 /* these are according to experiment */ 77 #define GENSTAT_UNIX_MODE 0x01 78 #define GENSTAT_DC_PRESENT 0x08 /* guess */ 79 #define GENSTAT_DC_ENABLE 0x18 /* guess */ 80 #define GENSTAT_LID_CLOSED 0x80 81 82 #define GENSTAT2_MUTE 0x02 83 84 /* messages from interrupts */ 85 #define TADPMU_LID 0x05 86 #define TADPMU_POWERBUTTON 0x06 87 88 #endif /* TADPMUREG_H */