summaryrefslogtreecommitdiffstats
path: root/sys/dev/acpica/acpivar.h
blob: 959681d5826dad9c235e648f2ef5f7709e0e4222 (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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
/*-
 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
 * Copyright (c) 2000 BSDi
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	$FreeBSD$
 */

#include "bus_if.h"
#include <sys/eventhandler.h>
#include <sys/sysctl.h>
#if __FreeBSD_version >= 500000
#include <sys/lock.h>
#include <sys/mutex.h>
#endif

#include <machine/bus.h>
#include <machine/resource.h>

#if __FreeBSD_version < 500000
typedef vm_offset_t vm_paddr_t;
#endif

struct acpi_softc {
    device_t		acpi_dev;
    dev_t		acpi_dev_t;

    struct resource	*acpi_irq;
    int			acpi_irq_rid;
    void		*acpi_irq_handle;

    int			acpi_enabled;
    int			acpi_sstate;
    int			acpi_sleep_disabled;

    struct sysctl_ctx_list acpi_sysctl_ctx;
    struct sysctl_oid	*acpi_sysctl_tree;
    int			acpi_power_button_sx;
    int			acpi_sleep_button_sx;
    int			acpi_lid_switch_sx;

    int			acpi_standby_sx;
    int			acpi_suspend_sx;

    int			acpi_sleep_delay;
    int			acpi_s4bios;
    int			acpi_disable_on_poweroff;
    int			acpi_verbose;

    bus_dma_tag_t	acpi_waketag;
    bus_dmamap_t	acpi_wakemap;
    vm_offset_t		acpi_wakeaddr;
    vm_paddr_t		acpi_wakephys;

    struct sysctl_ctx_list	 acpi_battery_sysctl_ctx;
    struct sysctl_oid		*acpi_battery_sysctl_tree;
};

struct acpi_device {
    /* ACPI ivars */
    ACPI_HANDLE			ad_handle;
    int				ad_magic;
    void			*ad_private;

    /* Resources */
    struct resource_list	ad_rl;
};

struct acpi_prw_data {
    ACPI_HANDLE		gpe_handle;
    int			gpe_bit;
    int			lowest_wake;
    void		*power_res;
};

/* Flags for each device defined in the AML namespace. */
#define ACPI_FLAG_WAKE_CAPABLE	0x1
#define ACPI_FLAG_WAKE_ENABLED	0x2

#if __FreeBSD_version < 500000
/*
 * In 4.x, ACPI is protected by splhigh().
 */
# define ACPI_LOCK			s = splhigh()
# define ACPI_UNLOCK			splx(s)
# define ACPI_ASSERTLOCK
# define ACPI_MSLEEP(a, b, c, d, e)	tsleep(a, c, d, e)
# define ACPI_LOCK_DECL			int s
# define kthread_create(a, b, c, d, e, f)	kthread_create(a, b, c, f)
# define tc_init(a)			init_timecounter(a)
#else
# define ACPI_LOCK
# define ACPI_UNLOCK
# define ACPI_ASSERTLOCK
# define ACPI_LOCK_DECL
#endif

/*
 * ACPI CA does not define layers for non-ACPI CA drivers.
 * We define some here within the range provided.
 */
#define	ACPI_AC_ADAPTER		0x00010000
#define	ACPI_BATTERY		0x00020000
#define	ACPI_BUS		0x00040000
#define	ACPI_BUTTON		0x00080000
#define	ACPI_EC			0x00100000
#define	ACPI_FAN		0x00200000
#define	ACPI_POWERRES		0x00400000
#define	ACPI_PROCESSOR		0x00800000
#define	ACPI_THERMAL		0x01000000
#define	ACPI_TIMER		0x02000000
#define	ACPI_ASUS		0x04000000

/*
 * Constants for different interrupt models used with acpi_SetIntrModel().
 */
#define	ACPI_INTR_PIC		0
#define	ACPI_INTR_APIC		1
#define	ACPI_INTR_SAPIC		2

/*
 * Note that the low ivar values are reserved to provide
 * interface compatibility with ISA drivers which can also
 * attach to ACPI.
 */
#define ACPI_IVAR_HANDLE	0x100
#define ACPI_IVAR_MAGIC		0x101
#define ACPI_IVAR_PRIVATE	0x102

/*
 * Accessor functions for our ivars.  Default value for BUS_READ_IVAR is
 * (type) 0.  The <sys/bus.h> accessor functions don't check return values.
 */
#define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type)	\
								\
static __inline type varp ## _get_ ## var(device_t dev)		\
{								\
    uintptr_t v = 0;						\
    BUS_READ_IVAR(device_get_parent(dev), dev,			\
	ivarp ## _IVAR_ ## ivar, &v);				\
    return ((type) v);						\
}								\
								\
static __inline void varp ## _set_ ## var(device_t dev, type t)	\
{								\
    uintptr_t v = (uintptr_t) t;				\
    BUS_WRITE_IVAR(device_get_parent(dev), dev,			\
	ivarp ## _IVAR_ ## ivar, v);				\
}

__ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE)
__ACPI_BUS_ACCESSOR(acpi, magic, ACPI, MAGIC, int)
__ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *)

void acpi_fake_objhandler(ACPI_HANDLE h, UINT32 fn, void *data);
static __inline device_t
acpi_get_device(ACPI_HANDLE handle)
{
    void *dev = NULL;
    AcpiGetData(handle, acpi_fake_objhandler, &dev);
    return ((device_t)dev);
}

static __inline ACPI_OBJECT_TYPE
acpi_get_type(device_t dev)
{
    ACPI_HANDLE		h;
    ACPI_OBJECT_TYPE	t;

    if ((h = acpi_get_handle(dev)) == NULL)
	return (ACPI_TYPE_NOT_FOUND);
    if (AcpiGetType(h, &t) != AE_OK)
	return (ACPI_TYPE_NOT_FOUND);
    return (t);
}

#ifdef ACPI_DEBUGGER
void		acpi_EnterDebugger(void);
#endif

#ifdef ACPI_DEBUG
#include <sys/cons.h>
#define STEP(x)		do {printf x, printf("\n"); cngetc();} while (0)
#else
#define STEP(x)
#endif

#define ACPI_VPRINT(dev, acpi_sc, x...) do {			\
    if (acpi_get_verbose(acpi_sc))				\
	device_printf(dev, x);					\
} while (0)

#define ACPI_DEVINFO_PRESENT(x)	(((x) & 0x9) == 9)
BOOLEAN		acpi_DeviceIsPresent(device_t dev);
BOOLEAN		acpi_BatteryIsPresent(device_t dev);
BOOLEAN		acpi_MatchHid(ACPI_HANDLE h, char *hid);
ACPI_STATUS	acpi_GetHandleInScope(ACPI_HANDLE parent, char *path,
		    ACPI_HANDLE *result);
uint32_t	acpi_TimerDelta(uint32_t end, uint32_t start);
ACPI_BUFFER	*acpi_AllocBuffer(int size);
ACPI_STATUS	acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp,
		    UINT32 *number);
ACPI_STATUS	acpi_GetInteger(ACPI_HANDLE handle, char *path,
		    UINT32 *number);
ACPI_STATUS	acpi_SetInteger(ACPI_HANDLE handle, char *path,
		    UINT32 number);
ACPI_STATUS	acpi_ForeachPackageObject(ACPI_OBJECT *obj, 
		    void (*func)(ACPI_OBJECT *comp, void *arg), void *arg);
ACPI_STATUS	acpi_FindIndexedResource(ACPI_BUFFER *buf, int index,
		    ACPI_RESOURCE **resp);
ACPI_STATUS	acpi_AppendBufferResource(ACPI_BUFFER *buf,
		    ACPI_RESOURCE *res);
ACPI_STATUS	acpi_OverrideInterruptLevel(UINT32 InterruptNumber);
ACPI_STATUS	acpi_SetIntrModel(int model);
ACPI_STATUS	acpi_SetSleepState(struct acpi_softc *sc, int state);
int		acpi_wake_init(device_t dev, int type);
int		acpi_wake_set_enable(device_t dev, int enable);
int		acpi_wake_sleep_prep(device_t dev, int sstate);
int		acpi_wake_run_prep(device_t dev);
ACPI_STATUS	acpi_Startup(void);
ACPI_STATUS	acpi_Enable(struct acpi_softc *sc);
ACPI_STATUS	acpi_Disable(struct acpi_softc *sc);
void		acpi_UserNotify(const char *subsystem, ACPI_HANDLE h,
		    uint8_t notify);
struct resource *acpi_bus_alloc_gas(device_t dev, int *rid,
		    ACPI_GENERIC_ADDRESS *gas);

struct acpi_parse_resource_set {
    void	(*set_init)(device_t dev, void *arg, void **context);
    void	(*set_done)(device_t dev, void *context);
    void	(*set_ioport)(device_t dev, void *context, uint32_t base,
		    uint32_t length);
    void	(*set_iorange)(device_t dev, void *context, uint32_t low,
		    uint32_t high, uint32_t length, uint32_t align);
    void	(*set_memory)(device_t dev, void *context, uint32_t base,
		    uint32_t length);
    void	(*set_memoryrange)(device_t dev, void *context, uint32_t low,
		    uint32_t high, uint32_t length, uint32_t align);
    void	(*set_irq)(device_t dev, void *context, u_int32_t *irq,
		    int count, int trig, int pol);
    void	(*set_drq)(device_t dev, void *context, u_int32_t *drq,
		    int count);
    void	(*set_start_dependant)(device_t dev, void *context,
		    int preference);
    void	(*set_end_dependant)(device_t dev, void *context);
};

extern struct	acpi_parse_resource_set acpi_res_parse_set;
ACPI_STATUS	acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
		    struct acpi_parse_resource_set *set, void *arg);
extern struct	rman acpi_rman_io, acpi_rman_mem;
struct resource_list_entry *acpi_sysres_find(int type, u_long addr);

/* ACPI event handling */
UINT32		acpi_event_power_button_sleep(void *context);
UINT32		acpi_event_power_button_wake(void *context);
UINT32		acpi_event_sleep_button_sleep(void *context);
UINT32		acpi_event_sleep_button_wake(void *context);

#define ACPI_EVENT_PRI_FIRST      0
#define ACPI_EVENT_PRI_DEFAULT    10000
#define ACPI_EVENT_PRI_LAST       20000

typedef void (*acpi_event_handler_t)(void *, int);

EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t);
EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t);

/* Device power control. */
ACPI_STATUS	acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state);

/* Misc. */
static __inline struct acpi_softc *
acpi_device_get_parent_softc(device_t child)
{
    device_t	parent;

    parent = device_get_parent(child);
    if (parent == NULL)
	return (NULL);
    return (device_get_softc(parent));
}

static __inline int
acpi_get_verbose(struct acpi_softc *sc)
{
    if (sc)
	return (sc->acpi_verbose);
    return (0);
}

char		*acpi_name(ACPI_HANDLE handle);
int		acpi_avoid(ACPI_HANDLE handle);
int		acpi_disabled(char *subsys);
int		acpi_machdep_init(device_t dev);
void		acpi_install_wakeup_handler(struct acpi_softc *sc);
int		acpi_sleep_machdep(struct acpi_softc *sc, int state);

/* Battery Abstraction. */
struct acpi_battinfo;
struct acpi_battdesc;

int		acpi_battery_register(int, int);
int		acpi_battery_get_battinfo(int, struct acpi_battinfo *);
int		acpi_battery_get_units(void);
int		acpi_battery_get_info_expire(void);
int		acpi_battery_get_battdesc(int, struct acpi_battdesc *);

int		acpi_cmbat_get_battinfo(int, struct acpi_battinfo *);

/* Embedded controller. */
void		acpi_ec_ecdt_probe(device_t);

/* AC adapter interface. */
int		acpi_acad_get_acline(int *);

/* Package manipulation convenience functions. */
#define ACPI_PKG_VALID(pkg, size)				\
    ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE &&	\
     (pkg)->Package.Count >= (size))
int		acpi_PkgInt(ACPI_OBJECT *res, int idx, ACPI_INTEGER *dst);
int		acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst);
int		acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size);
int		acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *rid,
			    struct resource **dst);
ACPI_HANDLE	acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj);

#if __FreeBSD_version >= 500000
#ifndef ACPI_MAX_THREADS
#define ACPI_MAX_THREADS	3
#endif
#if ACPI_MAX_THREADS > 0
#define ACPI_USE_THREADS
#endif
#endif

#ifdef ACPI_USE_THREADS
/* ACPI task kernel thread initialization. */
int		acpi_task_thread_init(void);
#endif
OpenPOWER on IntegriCloud