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cs5535: add a generic MFGPT driver
[net-next-2.6.git] / include / linux / cs5535.h
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1/*
2 * AMD CS5535/CS5536 definitions
3 * Copyright (C) 2006 Advanced Micro Devices, Inc.
4 * Copyright (C) 2009 Andres Salomon <dilinger@collabora.co.uk>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public License
8 * as published by the Free Software Foundation.
9 */
10
11#ifndef _CS5535_H
12#define _CS5535_H
13
14/* MSRs */
15#define MSR_LBAR_SMB 0x5140000B
16#define MSR_LBAR_GPIO 0x5140000C
17#define MSR_LBAR_MFGPT 0x5140000D
18#define MSR_LBAR_ACPI 0x5140000E
19#define MSR_LBAR_PMS 0x5140000F
20
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21#define MSR_PIC_YSEL_LOW 0x51400020
22#define MSR_PIC_YSEL_HIGH 0x51400021
23#define MSR_PIC_ZSEL_LOW 0x51400022
24#define MSR_PIC_ZSEL_HIGH 0x51400023
25#define MSR_PIC_IRQM_LPC 0x51400025
26
27#define MSR_MFGPT_IRQ 0x51400028
28#define MSR_MFGPT_NR 0x51400029
29#define MSR_MFGPT_SETUP 0x5140002B
30
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31/* resource sizes */
32#define LBAR_GPIO_SIZE 0xFF
33#define LBAR_MFGPT_SIZE 0x40
34#define LBAR_ACPI_SIZE 0x40
35#define LBAR_PMS_SIZE 0x80
36
37/* GPIOs */
38#define GPIO_OUTPUT_VAL 0x00
39#define GPIO_OUTPUT_ENABLE 0x04
40#define GPIO_OUTPUT_OPEN_DRAIN 0x08
41#define GPIO_OUTPUT_INVERT 0x0C
42#define GPIO_OUTPUT_AUX1 0x10
43#define GPIO_OUTPUT_AUX2 0x14
44#define GPIO_PULL_UP 0x18
45#define GPIO_PULL_DOWN 0x1C
46#define GPIO_INPUT_ENABLE 0x20
47#define GPIO_INPUT_INVERT 0x24
48#define GPIO_INPUT_FILTER 0x28
49#define GPIO_INPUT_EVENT_COUNT 0x2C
50#define GPIO_READ_BACK 0x30
51#define GPIO_INPUT_AUX1 0x34
52#define GPIO_EVENTS_ENABLE 0x38
53#define GPIO_LOCK_ENABLE 0x3C
54#define GPIO_POSITIVE_EDGE_EN 0x40
55#define GPIO_NEGATIVE_EDGE_EN 0x44
56#define GPIO_POSITIVE_EDGE_STS 0x48
57#define GPIO_NEGATIVE_EDGE_STS 0x4C
58
59#define GPIO_MAP_X 0xE0
60#define GPIO_MAP_Y 0xE4
61#define GPIO_MAP_Z 0xE8
62#define GPIO_MAP_W 0xEC
63
64void cs5535_gpio_set(unsigned offset, unsigned int reg);
65void cs5535_gpio_clear(unsigned offset, unsigned int reg);
66int cs5535_gpio_isset(unsigned offset, unsigned int reg);
67
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68/* MFGPTs */
69
70#define MFGPT_MAX_TIMERS 8
71#define MFGPT_TIMER_ANY (-1)
72
73#define MFGPT_DOMAIN_WORKING 1
74#define MFGPT_DOMAIN_STANDBY 2
75#define MFGPT_DOMAIN_ANY (MFGPT_DOMAIN_WORKING | MFGPT_DOMAIN_STANDBY)
76
77#define MFGPT_CMP1 0
78#define MFGPT_CMP2 1
79
80#define MFGPT_EVENT_IRQ 0
81#define MFGPT_EVENT_NMI 1
82#define MFGPT_EVENT_RESET 3
83
84#define MFGPT_REG_CMP1 0
85#define MFGPT_REG_CMP2 2
86#define MFGPT_REG_COUNTER 4
87#define MFGPT_REG_SETUP 6
88
89#define MFGPT_SETUP_CNTEN (1 << 15)
90#define MFGPT_SETUP_CMP2 (1 << 14)
91#define MFGPT_SETUP_CMP1 (1 << 13)
92#define MFGPT_SETUP_SETUP (1 << 12)
93#define MFGPT_SETUP_STOPEN (1 << 11)
94#define MFGPT_SETUP_EXTEN (1 << 10)
95#define MFGPT_SETUP_REVEN (1 << 5)
96#define MFGPT_SETUP_CLKSEL (1 << 4)
97
98struct cs5535_mfgpt_timer;
99
100extern uint16_t cs5535_mfgpt_read(struct cs5535_mfgpt_timer *timer,
101 uint16_t reg);
102extern void cs5535_mfgpt_write(struct cs5535_mfgpt_timer *timer, uint16_t reg,
103 uint16_t value);
104
105extern int cs5535_mfgpt_toggle_event(struct cs5535_mfgpt_timer *timer, int cmp,
106 int event, int enable);
107extern int cs5535_mfgpt_set_irq(struct cs5535_mfgpt_timer *timer, int cmp,
108 int *irq, int enable);
109extern struct cs5535_mfgpt_timer *cs5535_mfgpt_alloc_timer(int timer,
110 int domain);
111extern void cs5535_mfgpt_free_timer(struct cs5535_mfgpt_timer *timer);
112
113static inline int cs5535_mfgpt_setup_irq(struct cs5535_mfgpt_timer *timer,
114 int cmp, int *irq)
115{
116 return cs5535_mfgpt_set_irq(timer, cmp, irq, 1);
117}
118
119static inline int cs5535_mfgpt_release_irq(struct cs5535_mfgpt_timer *timer,
120 int cmp, int *irq)
121{
122 return cs5535_mfgpt_set_irq(timer, cmp, irq, 0);
123}
124
5f0a96b0 125#endif