summaryrefslogtreecommitdiff
path: root/src/superio/ite/common/env_ctrl.h
blob: 020f383be763e5f5a3334cf70d879e56633030ff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
 * Copyright (C) 2016 secunet Security Networks AG
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef SUPERIO_ITE_ENV_CTRL_H
#define SUPERIO_ITE_ENV_CTRL_H

#include "env_ctrl_chip.h"

#if IS_ENABLED(CONFIG_SUPERIO_ITE_ENV_CTRL_8BIT_PWM)
#define ITE_EC_FAN_MAX_PWM			0xff
#define ITE_EC_FAN_PWM_DEFAULT_CLOCK		ITE_EC_FAN_PWM_CLOCK_6MHZ
#else
#define ITE_EC_FAN_MAX_PWM			0x7f
#define ITE_EC_FAN_PWM_DEFAULT_CLOCK		ITE_EC_FAN_PWM_CLOCK_3MHZ
#endif

#define ITE_EC_CONFIGURATION			0x00
#define   ITE_EC_CONFIGURATION_START		(1 << 0)

#define ITE_EC_INTERFACE_SELECT			0x0a
#define   ITE_EC_INTERFACE_PSEUDO_EOC		(1 << 7)
#define   ITE_EC_INTERFACE_SMB_ENABLE		(1 << 6)
#define   ITE_EC_INTERFACE_SEL_DISABLE		(0 << 4)
#define   ITE_EC_INTERFACE_SEL_SST_SLAVE	(1 << 4)
#define   ITE_EC_INTERFACE_SEL_PECI		(2 << 4)
#define   ITE_EC_INTERFACE_SEL_SST_HOST		(3 << 4)
#define   ITE_EC_INTERFACE_CLOCK_32MHZ		(0 << 3)
#define   ITE_EC_INTERFACE_CLOCK_24MHZ		(1 << 3)
#define   ITE_EC_INTERFACE_SPEED_TOLERANCE	(1 << 2)
#define   ITE_EC_INTERFACE_PECI_AWFCS		(1 << 0)

#define ITE_EC_FAN_PWM_SMOOTHING_FREQ		0x0b
#define   ITE_EC_FAN_PWM_SMOOTHING_MASK		(3 << 6)
#define   ITE_EC_FAN_PWM_SMOOTHING_1KHZ		(0 << 6)
#define   ITE_EC_FAN_PWM_SMOOTHING_256HZ	(1 << 6)
#define   ITE_EC_FAN_PWM_SMOOTHING_64HZ		(2 << 6)
#define   ITE_EC_FAN_PWM_SMOOTHING_16HZ		(3 << 6)

#define ITE_EC_FAN_TAC_COUNTER_ENABLE		0x0c
#define   ITE_EC_FAN_TAC_16BIT_ENABLE(x)	(1 << ((x)-1))
#define ITE_EC_FAN_TAC_LIMIT(x)			(0x10 + ((x)-1))
#define ITE_EC_FAN_TAC_EXT_LIMIT(x)		(0x1b + ((x)-1))

#define ITE_EC_FAN_MAIN_CTL			0x13
#define   ITE_EC_FAN_MAIN_CTL_TAC_EN(x)		(1 << ((x)+3))
#define   ITE_EC_FAN_MAIN_CTL_COLL_FULL_SPEED	(1 << 3)
#define   ITE_EC_FAN_MAIN_CTL_SMART(x)		(1 << ((x)-1))
#define ITE_EC_FAN_CTL_MODE			0x14
#define   ITE_EC_FAN_CTL_POLARITY_HIGH		(1 << 7)
#define   ITE_EC_FAN_PWM_CLOCK_MASK		(7 << 4)
#define   ITE_EC_FAN_PWM_CLOCK_48MHZ		(0 << 4)
#define   ITE_EC_FAN_PWM_CLOCK_24MHZ		(1 << 4)
#define   ITE_EC_FAN_PWM_CLOCK_12MHZ		(2 << 4)
#define   ITE_EC_FAN_PWM_CLOCK_8MHZ		(3 << 4)
#define   ITE_EC_FAN_PWM_CLOCK_6MHZ		(4 << 4)
#define   ITE_EC_FAN_PWM_CLOCK_3MHZ		(5 << 4)
#define   ITE_EC_FAN_PWM_CLOCK_1_5MHZ		(6 << 4)
#define   ITE_EC_FAN_PWM_CLOCK_51KHZ		(7 << 4)
#define   ITE_EC_FAN_PWM_MIN_DUTY_20		(1 << 3)
#define   ITE_EC_FAN_CTL_ON(x)			(1 << ((x)-1))
#define ITE_EC_FAN_CTL_PWM_CONTROL(x)		(0x15 + ((x)-1))
#define   ITE_EC_FAN_CTL_PWM_MODE_SOFTWARE	(0 << 7)
#define   ITE_EC_FAN_CTL_PWM_MODE_AUTOMATIC	(1 << 7)
#define   ITE_EC_FAN_CTL_PWM_DUTY_MASK		(ITE_EC_FAN_MAX_PWM << 0)
#define   ITE_EC_FAN_CTL_PWM_DUTY(p)		\
	  ({ 					\
		const unsigned int _p = p;			\
		(_p >= 100)					\
			? ITE_EC_FAN_MAX_PWM			\
			: (_p * ITE_EC_FAN_MAX_PWM) / 100;	\
	  })
#define   ITE_EC_FAN_CTL_TEMPIN_MASK		(3 << 0)
#define   ITE_EC_FAN_CTL_TEMPIN(x)		(((x)-1) & 3)

#define ITE_EC_HIGH_TEMP_LIMIT(x)		(0x40 + ((x-1) * 2))
#define ITE_EC_LOW_TEMP_LIMIT(x)		(0x41 + ((x-1) * 2))

#define ITE_EC_ADC_VOLTAGE_CHANNEL_ENABLE	0x50
#define ITE_EC_ADC_TEMP_CHANNEL_ENABLE		0x51
#define   ITE_EC_ADC_TEMP_EXT_REPORTS_TO_MASK	(3 << 6)
#define   ITE_EC_ADC_TEMP_EXT_REPORTS_TO(x)	(((x) & 3) << 6)
#define   ITE_EC_ADC_TEMP_RESISTOR_MODE(x)	(1 << ((x)+2))
#define   ITE_EC_ADC_TEMP_DIODE_MODE(x)		(1 << ((x)-1))
#define ITE_EC_ADC_TEMP_EXTRA_CHANNEL_ENABLE	0x55

/* Matches length of ITE_EC_TMPIN_CNT */
static const u8 ITE_EC_TEMP_ADJUST[] = { 0x56, 0x57, 0x59 };

#define ITE_EC_BEEP_ENABLE			0x5C
#define   ITE_EC_TEMP_ADJUST_WRITE_ENABLE	(1 << 7)
#define   ITE_EC_ADC_CLOCK_1MHZ			(6 << 4)
#define   ITE_EC_ADC_CLOCK_2MHZ			(7 << 4)
#define   ITE_EC_ADC_CLOCK_24MHZ		(5 << 4)
#define   ITE_EC_ADC_CLOCK_31KHZ		(4 << 4)
#define   ITE_EC_ADC_CLOCK_62KHZ		(3 << 4)
#define   ITE_EC_ADC_CLOCK_125KHZ		(2 << 4)
#define   ITE_EC_ADC_CLOCK_250KHZ		(1 << 4)
#define   ITE_EC_ADC_CLOCK_500KHZ		(0 << 4)
#define   ITE_EC_BEEP_ON_TMP_LIMIT		(1 << 2)
#define   ITE_EC_BEEP_ON_VIN_LIMIT		(1 << 1)
#define   ITE_EC_BEEP_ON_FAN_LIMIT		(1 << 0)
#define ITE_EC_BEEP_FREQ_DIV_OF_FAN		0x5D
#define ITE_EC_BEEP_FREQ_DIV_OF_VIN		0x5E
#define ITE_EC_BEEP_FREQ_DIV_OF_TMPIN		0x5F
#define   ITE_EC_BEEP_TONE_DIVISOR(x)		(((x) & 0x0f) << 4)
#define   ITE_EC_BEEP_FREQ_DIVISOR(x)		(((x) & 0x0f) << 0)

#define ITE_EC_FAN_CTL_TEMP_LIMIT_OFF(x)	(0x60 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_TEMP_LIMIT_START(x)	(0x61 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_TEMP_LIMIT_FULL(x)	(0x62 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_PWM_START(x)		(0x63 + ((x)-1) * 8)
#define   ITE_EC_FAN_CTL_PWM_SLOPE_BIT6(s)	(((s) & 0x40) << 1)
#define   ITE_EC_FAN_CTL_PWM_START_DUTY(p)	ITE_EC_FAN_CTL_PWM_DUTY(p)
#define ITE_EC_FAN_CTL_PWM_AUTO(x)		(0x64 + ((x)-1) * 8)
#define   ITE_EC_FAN_CTL_AUTO_SMOOTHING_EN	(1 << 7)
#define   ITE_EC_FAN_CTL_PWM_SLOPE_LOWER(s)	((s) & 0x3f)
#define ITE_EC_FAN_CTL_DELTA_TEMP(x)		(0x65 + ((x)-1) * 8)
#define   ITE_EC_FAN_CTL_DELTA_TEMP_INTRVL(c)	((c) & 0x1f)

#define ITE_EC_EXTEMP_STATUS			0x88
#define   ITE_EC_EXTEMP_STATUS_HOST_BUSY	(1 << 0)
#define ITE_EC_EXTEMP_ADDRESS			0x89
#define ITE_EC_EXTEMP_WRITE_LENGTH		0x8a
#define ITE_EC_EXTEMP_READ_LENGTH		0x8b
#define ITE_EC_EXTEMP_COMMAND			0x8c
#define ITE_EC_EXTEMP_WRITE_DATA_2		0x8d
#define ITE_EC_EXTEMP_CONTROL			0x8e
#define   ITE_EC_EXTEMP_CTRL_AUTO_32HZ		(0 << 6)
#define   ITE_EC_EXTEMP_CTRL_AUTO_16HZ		(1 << 6)
#define   ITE_EC_EXTEMP_CTRL_AUTO_8HZ		(2 << 6)
#define   ITE_EC_EXTEMP_CTRL_AUTO_4HZ		(3 << 6)
#define   ITE_EC_EXTEMP_CTRL_AUTO_START		(1 << 5)
#define   ITE_EC_EXTEMP_CTRL_AUTO_ABORT		(1 << 4)
#define   ITE_EC_EXTEMP_CTRL_AUTO_TWO_DOMAIN	(1 << 3)
#define   ITE_EC_EXTEMP_CTRL_CONTENTION		(1 << 2)
#define   ITE_EC_EXTEMP_CTRL_SST_IDLE_HIGH	(1 << 1)
#define   ITE_EC_EXTEMP_CTRL_START		(1 << 0)

/* Standard PECI GetTemp */
#define PECI_CLIENT_ADDRESS			0x30
#define PECI_GETTEMP_COMMAND			0x01
#define PECI_GETTEMP_WRITE_LENGTH		0x01
#define PECI_GETTEMP_READ_LENGTH		0x02

void ite_ec_init(u16 base, const struct ite_ec_config *conf);

#endif /* SUPERIO_ITE_ENV_CTRL_H */