tadpmureg.h revision 1.2.6.2 1 /* $NetBSD: tadpmureg.h,v 1.2.6.2 2019/06/10 22:06:47 christos 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 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 */