Annotation of sys/dev/ic/lm78var.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: lm78var.h,v 1.14 2007/06/25 22:50:18 cnst Exp $ */
2:
3: /*
4: * Copyright (c) 2005, 2006 Mark Kettenis
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: /*
20: * National Semiconductor LM78/79/81 registers
21: */
22:
23: #define LM_POST_RAM 0x00 /* POST RAM occupies 0x00 -- 0x1f */
24: #define LM_VALUE_RAM 0x20 /* Value RAM occupies 0x20 -- 0x3f */
25: #define LM_FAN1 0x28 /* FAN1 reading */
26: #define LM_FAN2 0x29 /* FAN2 reading */
27: #define LM_FAN3 0x2a /* FAN3 reading */
28:
29: #define LM_CONFIG 0x40 /* Configuration */
30: #define LM_ISR1 0x41 /* Interrupt Status 1 */
31: #define LM_ISR2 0x42 /* Interrupt Status 2 */
32: #define LM_SMI1 0x43 /* SMI# Mask 1 */
33: #define LM_SMI2 0x44 /* SMI# Mask 2 */
34: #define LM_NMI1 0x45 /* NMI Mask 1 */
35: #define LM_NMI2 0x46 /* NMI Mask 2 */
36: #define LM_VIDFAN 0x47 /* VID/Fan Divisor */
37: #define LM_SBUSADDR 0x48 /* Serial Bus Address */
38: #define LM_CHIPID 0x49 /* Chip Reset/ID */
39:
40: /* Chip IDs */
41:
42: #define LM_CHIPID_LM78 0x00
43: #define LM_CHIPID_LM78J 0x40
44: #define LM_CHIPID_LM79 0xC0
45: #define LM_CHIPID_LM81 0x80
46: #define LM_CHIPID_MASK 0xfe
47:
48: /*
49: * Winbond registers
50: *
51: * Several models exists. The W83781D is mostly compatible with the
52: * LM78, but has two extra temperatures. Later models add extra
53: * voltage sensors, fans and bigger fan divisors to accomodate slow
54: * running fans. To accomodate the extra sensors some models have
55: * different memory banks.
56: */
57:
58: #define WB_T23ADDR 0x4a /* Temperature 2 and 3 Serial Bus Address */
59: #define WB_PIN 0x4b /* Pin Control */
60: #define WB_BANKSEL 0x4e /* Bank Select */
61: #define WB_VENDID 0x4f /* Vendor ID */
62:
63: /* Bank 0 regs */
64: #define WB_BANK0_CHIPID 0x58 /* Chip ID */
65: #define WB_BANK0_FAN45 0x5c /* Fan 4/5 Divisor Control (W83791D only) */
66: #define WB_BANK0_VBAT 0x5d /* VBAT Monitor Control */
67: #define WB_BANK0_FAN4 0xba /* Fan 4 reading (W83791D only) */
68: #define WB_BANK0_FAN5 0xbb /* Fan 5 reading (W83791D only) */
69:
70: #define WB_BANK0_CONFIG 0x18 /* VRM & OVT Config (W83627THF/W83637HF) */
71:
72: /* Bank 1 registers */
73: #define WB_BANK1_T2H 0x50 /* Temperature 2 High Byte */
74: #define WB_BANK1_T2L 0x51 /* Temperature 2 Low Byte */
75:
76: /* Bank 2 registers */
77: #define WB_BANK2_T3H 0x50 /* Temperature 3 High Byte */
78: #define WB_BANK2_T3L 0x51 /* Temperature 3 Low Byte */
79:
80: /* Bank 4 registers (W83782D/W83627HF and later models only) */
81: #define WB_BANK4_T1OFF 0x54 /* Temperature 1 Offset */
82: #define WB_BANK4_T2OFF 0x55 /* Temperature 2 Offset */
83: #define WB_BANK4_T3OFF 0x56 /* Temperature 3 Offset */
84:
85: /* Bank 5 registers (W83782D/W83627HF and later models only) */
86: #define WB_BANK5_5VSB 0x50 /* 5VSB reading */
87: #define WB_BANK5_VBAT 0x51 /* VBAT reading */
88:
89: /* Bank selection */
90: #define WB_BANKSEL_B0 0x00 /* Bank 0 */
91: #define WB_BANKSEL_B1 0x01 /* Bank 1 */
92: #define WB_BANKSEL_B2 0x02 /* Bank 2 */
93: #define WB_BANKSEL_B3 0x03 /* Bank 3 */
94: #define WB_BANKSEL_B4 0x04 /* Bank 4 */
95: #define WB_BANKSEL_B5 0x05 /* Bank 5 */
96: #define WB_BANKSEL_HBAC 0x80 /* Register 0x4f High Byte Access */
97:
98: /* Vendor IDs */
99: #define WB_VENDID_WINBOND 0x5ca3 /* Winbond */
100: #define WB_VENDID_ASUS 0x12c3 /* ASUS */
101:
102: /* Chip IDs */
103: #define WB_CHIPID_W83781D 0x10
104: #define WB_CHIPID_W83781D_2 0x11
105: #define WB_CHIPID_W83627HF 0x21
106: #define WB_CHIPID_AS99127F 0x31 /* Asus W83781D clone */
107: #define WB_CHIPID_W83782D 0x30
108: #define WB_CHIPID_W83783S 0x40
109: #define WB_CHIPID_W83697HF 0x60
110: #define WB_CHIPID_W83791D 0x71
111: #define WB_CHIPID_W83791SD 0x72
112: #define WB_CHIPID_W83792D 0x7a
113: #define WB_CHIPID_W83637HF 0x80
114: #define WB_CHIPID_W83627EHF_A 0x88 /* early version, only for ASUS MBs */
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 sensor_task *sensortask;
145: struct lm_sensor *lm_sensors;
146: u_int numsensors;
147: void (*refresh_sensor_data) (struct lm_softc *);
148:
149: u_int8_t (*lm_readreg)(struct lm_softc *, int);
150: void (*lm_writereg)(struct lm_softc *, int, int);
151:
152: u_int8_t sbusaddr;
153: u_int8_t chipid;
154: u_int8_t vrm9;
155: };
156:
157: void lm_attach(struct lm_softc *);
158: int lm_detach(struct lm_softc *);
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