xref: /dragonfly/sys/dev/powermng/lm/lm78var.h (revision 9b5ae8ee)
1 /*
2  * Copyright (c) 2005, 2006 Mark Kettenis
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  *
16  * $OpenBSD: lm78var.h,v 1.12 2007/05/25 02:26:43 cnst Exp $
17  * $DragonFly: src/sys/dev/powermng/lm/lm78var.h,v 1.1 2007/10/02 13:37:38 hasso Exp $
18  */
19 
20 /*
21  * National Semiconductor LM78/79/81 registers
22  */
23 
24 #define LM_POST_RAM	0x00	/* POST RAM occupies 0x00 -- 0x1f */
25 #define LM_VALUE_RAM	0x20	/* Value RAM occupies 0x20 -- 0x3f */
26 #define LM_FAN1		0x28	/* FAN1 reading */
27 #define LM_FAN2		0x29	/* FAN2 reading */
28 #define LM_FAN3		0x2a	/* FAN3 reading */
29 
30 #define LM_CONFIG	0x40	/* Configuration */
31 #define LM_ISR1		0x41	/* Interrupt Status 1 */
32 #define LM_ISR2		0x42	/* Interrupt Status 2 */
33 #define LM_SMI1		0x43	/* SMI# Mask 1 */
34 #define LM_SMI2		0x44	/* SMI# Mask 2 */
35 #define LM_NMI1		0x45	/* NMI Mask 1 */
36 #define LM_NMI2		0x46	/* NMI Mask 2 */
37 #define LM_VIDFAN	0x47	/* VID/Fan Divisor */
38 #define LM_SBUSADDR	0x48	/* Serial Bus Address */
39 #define LM_CHIPID	0x49	/* Chip Reset/ID */
40 
41 /* Chip IDs */
42 
43 #define LM_CHIPID_LM78	0x00
44 #define LM_CHIPID_LM78J	0x40
45 #define LM_CHIPID_LM79	0xC0
46 #define LM_CHIPID_LM81	0x80
47 #define LM_CHIPID_MASK	0xfe
48 
49 /*
50  * Winbond registers
51  *
52  * Several models exists.  The W83781D is mostly compatible with the
53  * LM78, but has two extra temperatures.  Later models add extra
54  * voltage sensors, fans and bigger fan divisors to accomodate slow
55  * running fans.  To accomodate the extra sensors some models have
56  * different memory banks.
57  */
58 
59 #define WB_T23ADDR	0x4a	/* Temperature 2 and 3 Serial Bus Address */
60 #define WB_PIN		0x4b	/* Pin Control */
61 #define WB_BANKSEL	0x4e	/* Bank Select */
62 #define WB_VENDID	0x4f	/* Vendor ID */
63 
64 /* Bank 0 regs */
65 #define WB_BANK0_CHIPID	0x58	/* Chip ID */
66 #define WB_BANK0_FAN45	0x5c	/* Fan 4/5 Divisor Control (W83791D only) */
67 #define WB_BANK0_VBAT	0x5d	/* VBAT Monitor Control */
68 #define WB_BANK0_FAN4	0xba	/* Fan 4 reading (W83791D only) */
69 #define WB_BANK0_FAN5	0xbb	/* Fan 5 reading (W83791D only) */
70 
71 #define WB_BANK0_CONFIG	0x18	/* VRM & OVT Config (W83627THF/W83637HF) */
72 
73 /* Bank 1 registers */
74 #define WB_BANK1_T2H	0x50	/* Temperature 2 High Byte */
75 #define WB_BANK1_T2L	0x51	/* Temperature 2 Low Byte */
76 
77 /* Bank 2 registers */
78 #define WB_BANK2_T3H	0x50	/* Temperature 3 High Byte */
79 #define WB_BANK2_T3L	0x51	/* Temperature 3 Low Byte */
80 
81 /* Bank 4 registers (W83782D/W83627HF and later models only) */
82 #define WB_BANK4_T1OFF	0x54	/* Temperature 1 Offset */
83 #define WB_BANK4_T2OFF	0x55	/* Temperature 2 Offset */
84 #define WB_BANK4_T3OFF	0x56	/* Temperature 3 Offset */
85 
86 /* Bank 5 registers (W83782D/W83627HF and later models only) */
87 #define WB_BANK5_5VSB	0x50	/* 5VSB reading */
88 #define WB_BANK5_VBAT	0x51	/* VBAT reading */
89 
90 /* Bank selection */
91 #define WB_BANKSEL_B0	0x00	/* Bank 0 */
92 #define WB_BANKSEL_B1	0x01	/* Bank 1 */
93 #define WB_BANKSEL_B2	0x02	/* Bank 2 */
94 #define WB_BANKSEL_B3	0x03	/* Bank 3 */
95 #define WB_BANKSEL_B4	0x04	/* Bank 4 */
96 #define WB_BANKSEL_B5	0x05	/* Bank 5 */
97 #define WB_BANKSEL_HBAC	0x80	/* Register 0x4f High Byte Access */
98 
99 /* Vendor IDs */
100 #define WB_VENDID_WINBOND	0x5ca3	/* Winbond */
101 #define WB_VENDID_ASUS		0x12c3	/* ASUS */
102 
103 /* Chip IDs */
104 #define WB_CHIPID_W83781D	0x10
105 #define WB_CHIPID_W83781D_2	0x11
106 #define WB_CHIPID_W83627HF	0x21
107 #define WB_CHIPID_AS99127F	0x31 /* Asus W83781D clone */
108 #define WB_CHIPID_W83782D	0x30
109 #define WB_CHIPID_W83783S	0x40
110 #define WB_CHIPID_W83697HF	0x60
111 #define WB_CHIPID_W83791D	0x71
112 #define WB_CHIPID_W83791SD	0x72
113 #define WB_CHIPID_W83792D	0x7a
114 #define WB_CHIPID_W83637HF	0x80
115 #define WB_CHIPID_W83627THF	0x90
116 #define WB_CHIPID_W83627EHF	0xa1
117 #define WB_CHIPID_W83627DHG	0xc1
118 
119 /* Config bits */
120 #define WB_CONFIG_VMR9		0x01
121 
122 /* Reference voltage (mV) */
123 #define WB_VREF			3600
124 #define WB_W83627EHF_VREF	2048
125 
126 #define WB_MAX_SENSORS  19
127 
128 struct lm_softc;
129 
130 struct lm_sensor {
131 	char *desc;
132 	enum sensor_type type;
133 	u_int8_t bank;
134 	u_int8_t reg;
135 	void (*refresh)(struct lm_softc *, int);
136 	int rfact;
137 };
138 
139 struct lm_softc {
140 	struct device *sc_dev;
141 
142 	struct ksensor sensors[WB_MAX_SENSORS];
143 	struct ksensordev sensordev;
144 	struct lm_sensor *lm_sensors;
145 	u_int numsensors;
146 	void (*refresh_sensor_data) (struct lm_softc *);
147 
148 	u_int8_t (*lm_readreg)(struct lm_softc *, int);
149 	void (*lm_writereg)(struct lm_softc *, int, int);
150 
151 	u_int8_t sbusaddr;
152 	u_int8_t chipid;
153 	u_int8_t vrm9;
154 };
155 
156 void lm_probe(struct lm_softc *);
157 void lm_attach(struct lm_softc *);
158 int lm_detach(struct lm_softc *);
159