[qemu.git] / hw / acpi.h

#ifndef QEMU_HW_ACPI_H
#define QEMU_HW_ACPI_H
/*
 *  Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
 *                     VA Linux Systems Japan K.K.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see
 * <http://www.gnu.org/licenses/>.
 */

/* from linux include/acpi/actype.h */
/* Default ACPI register widths */

#define ACPI_GPE_REGISTER_WIDTH         8
#define ACPI_PM1_REGISTER_WIDTH         16
#define ACPI_PM2_REGISTER_WIDTH         8
#define ACPI_PM_TIMER_WIDTH             32

/* PM Timer ticks per second (HZ) */
#define PM_TIMER_FREQUENCY  3579545


/* ACPI fixed hardware registers */

/* from linux/drivers/acpi/acpica/aclocal.h */
/* Masks used to access the bit_registers */

/* PM1x_STS */
#define ACPI_BITMASK_TIMER_STATUS               0x0001
#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
#define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000	/* ACPI 3.0 */
#define ACPI_BITMASK_WAKE_STATUS                0x8000

#define ACPI_BITMASK_ALL_FIXED_STATUS           (\
	ACPI_BITMASK_TIMER_STATUS          | \
	ACPI_BITMASK_BUS_MASTER_STATUS     | \
	ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
	ACPI_BITMASK_POWER_BUTTON_STATUS   | \
	ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
	ACPI_BITMASK_RT_CLOCK_STATUS       | \
	ACPI_BITMASK_WAKE_STATUS)

/* PM1x_EN */
#define ACPI_BITMASK_TIMER_ENABLE               0x0001
#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
#define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
#define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000	/* ACPI 3.0 */

/* PM1x_CNT */
#define ACPI_BITMASK_SCI_ENABLE                 0x0001
#define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
#define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
#define ACPI_BITMASK_SLEEP_ENABLE               0x2000

/* PM2_CNT */
#define ACPI_BITMASK_ARB_DISABLE                0x0001

/* PM_TMR */
struct ACPIPMTimer;
typedef struct ACPIPMTimer ACPIPMTimer;

typedef void (*acpi_update_sci_fn)(ACPIPMTimer *tmr);

struct ACPIPMTimer {
    QEMUTimer *timer;
    int64_t overflow_time;

    acpi_update_sci_fn update_sci;
};

void acpi_pm_tmr_update(ACPIPMTimer *tmr, bool enable);
void acpi_pm_tmr_calc_overflow_time(ACPIPMTimer *tmr);
uint32_t acpi_pm_tmr_get(ACPIPMTimer *tmr);
void acpi_pm_tmr_init(ACPIPMTimer *tmr, acpi_update_sci_fn update_sci);
void acpi_pm_tmr_reset(ACPIPMTimer *tmr);

#include "qemu-timer.h"
static inline int64_t acpi_pm_tmr_get_clock(void)
{
    return muldiv64(qemu_get_clock_ns(vm_clock), PM_TIMER_FREQUENCY,
                    get_ticks_per_sec());
}

/* PM1a_EVT: piix and ich9 don't implement PM1b. */
struct ACPIPM1EVT
{
    uint16_t sts;
    uint16_t en;
};
typedef struct ACPIPM1EVT ACPIPM1EVT;

uint16_t acpi_pm1_evt_get_sts(ACPIPM1EVT *pm1, int64_t overflow_time);
void acpi_pm1_evt_write_sts(ACPIPM1EVT *pm1, ACPIPMTimer *tmr, uint16_t val);
void acpi_pm1_evt_power_down(ACPIPM1EVT *pm1, ACPIPMTimer *tmr);
void acpi_pm1_evt_reset(ACPIPM1EVT *pm1);

/* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
struct ACPIPM1CNT {
    uint16_t cnt;

    qemu_irq cmos_s3;
};
typedef struct ACPIPM1CNT ACPIPM1CNT;

void acpi_pm1_cnt_init(ACPIPM1CNT *pm1_cnt, qemu_irq cmos_s3);
void acpi_pm1_cnt_write(ACPIPM1EVT *pm1a, ACPIPM1CNT *pm1_cnt, uint16_t val);
void acpi_pm1_cnt_update(ACPIPM1CNT *pm1_cnt,
                         bool sci_enable, bool sci_disable);
void acpi_pm1_cnt_reset(ACPIPM1CNT *pm1_cnt);

/* GPE0 */
struct ACPIGPE {
    uint32_t blk;
    uint8_t len;

    uint8_t *sts;
    uint8_t *en;
};
typedef struct ACPIGPE ACPIGPE;

void acpi_gpe_init(ACPIGPE *gpe, uint8_t len);
void acpi_gpe_blk(ACPIGPE *gpe, uint32_t blk);
void acpi_gpe_reset(ACPIGPE *gpe);

void acpi_gpe_ioport_writeb(ACPIGPE *gpe, uint32_t addr, uint32_t val);
uint32_t acpi_gpe_ioport_readb(ACPIGPE *gpe, uint32_t addr);

#endif /* !QEMU_HW_ACPI_H */
Commit	Line	Data
990b150e IY	1	#ifndef QEMU_HW_ACPI_H
	2	#define QEMU_HW_ACPI_H
	3	/*
	4	* Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
	5	* VA Linux Systems Japan K.K.
	6	*
	7	* This library is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU Lesser General Public
	9	* License as published by the Free Software Foundation; either
	10	* version 2 of the License, or (at your option) any later version.
	11	*
	12	* This library is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* Lesser General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public
1012e960 BS	18	* License along with this library; if not, see
1012e960 BS	19	* <http://www.gnu.org/licenses/>.
990b150e IY	20	*/
	21
	22	/* from linux include/acpi/actype.h */
	23	/* Default ACPI register widths */
	24
	25	#define ACPI_GPE_REGISTER_WIDTH 8
	26	#define ACPI_PM1_REGISTER_WIDTH 16
	27	#define ACPI_PM2_REGISTER_WIDTH 8
	28	#define ACPI_PM_TIMER_WIDTH 32
	29
	30	/* PM Timer ticks per second (HZ) */
	31	#define PM_TIMER_FREQUENCY 3579545
	32
	33
	34	/* ACPI fixed hardware registers */
	35
	36	/* from linux/drivers/acpi/acpica/aclocal.h */
	37	/* Masks used to access the bit_registers */
	38
	39	/* PM1x_STS */
	40	#define ACPI_BITMASK_TIMER_STATUS 0x0001
	41	#define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
	42	#define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
	43	#define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
	44	#define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
	45	#define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
	46	#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */
	47	#define ACPI_BITMASK_WAKE_STATUS 0x8000
	48
	49	#define ACPI_BITMASK_ALL_FIXED_STATUS (\
	50	ACPI_BITMASK_TIMER_STATUS \| \
	51	ACPI_BITMASK_BUS_MASTER_STATUS \| \
	52	ACPI_BITMASK_GLOBAL_LOCK_STATUS \| \
	53	ACPI_BITMASK_POWER_BUTTON_STATUS \| \
	54	ACPI_BITMASK_SLEEP_BUTTON_STATUS \| \
	55	ACPI_BITMASK_RT_CLOCK_STATUS \| \
	56	ACPI_BITMASK_WAKE_STATUS)
	57
	58	/* PM1x_EN */
	59	#define ACPI_BITMASK_TIMER_ENABLE 0x0001
	60	#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
	61	#define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
	62	#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
	63	#define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
	64	#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */
	65
	66	/* PM1x_CNT */
	67	#define ACPI_BITMASK_SCI_ENABLE 0x0001
	68	#define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
	69	#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
	70	#define ACPI_BITMASK_SLEEP_TYPE 0x1C00
	71	#define ACPI_BITMASK_SLEEP_ENABLE 0x2000
	72
	73	/* PM2_CNT */
	74	#define ACPI_BITMASK_ARB_DISABLE 0x0001
	75
	76	/* PM_TMR */
a54d41a8 IY	77	struct ACPIPMTimer;
	78	typedef struct ACPIPMTimer ACPIPMTimer;
	79
	80	typedef void (acpi_update_sci_fn)(ACPIPMTimer tmr);
	81
	82	struct ACPIPMTimer {
	83	QEMUTimer *timer;
	84	int64_t overflow_time;
	85
	86	acpi_update_sci_fn update_sci;
	87	};
	88
	89	void acpi_pm_tmr_update(ACPIPMTimer *tmr, bool enable);
	90	void acpi_pm_tmr_calc_overflow_time(ACPIPMTimer *tmr);
	91	uint32_t acpi_pm_tmr_get(ACPIPMTimer *tmr);
	92	void acpi_pm_tmr_init(ACPIPMTimer *tmr, acpi_update_sci_fn update_sci);
	93	void acpi_pm_tmr_reset(ACPIPMTimer *tmr);
	94
	95	#include "qemu-timer.h"
	96	static inline int64_t acpi_pm_tmr_get_clock(void)
	97	{
	98	return muldiv64(qemu_get_clock_ns(vm_clock), PM_TIMER_FREQUENCY,
	99	get_ticks_per_sec());
	100	}
990b150e	101
04dc308f IY	102	/* PM1a_EVT: piix and ich9 don't implement PM1b. */
	103	struct ACPIPM1EVT
	104	{
	105	uint16_t sts;
	106	uint16_t en;
	107	};
	108	typedef struct ACPIPM1EVT ACPIPM1EVT;
	109
	110	uint16_t acpi_pm1_evt_get_sts(ACPIPM1EVT *pm1, int64_t overflow_time);
	111	void acpi_pm1_evt_write_sts(ACPIPM1EVT pm1, ACPIPMTimer tmr, uint16_t val);
	112	void acpi_pm1_evt_power_down(ACPIPM1EVT pm1, ACPIPMTimer tmr);
	113	void acpi_pm1_evt_reset(ACPIPM1EVT *pm1);
	114
eaba51c5 IY	115	/* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
	116	struct ACPIPM1CNT {
	117	uint16_t cnt;
	118
	119	qemu_irq cmos_s3;
	120	};
	121	typedef struct ACPIPM1CNT ACPIPM1CNT;
	122
	123	void acpi_pm1_cnt_init(ACPIPM1CNT *pm1_cnt, qemu_irq cmos_s3);
	124	void acpi_pm1_cnt_write(ACPIPM1EVT pm1a, ACPIPM1CNT pm1_cnt, uint16_t val);
	125	void acpi_pm1_cnt_update(ACPIPM1CNT *pm1_cnt,
	126	bool sci_enable, bool sci_disable);
	127	void acpi_pm1_cnt_reset(ACPIPM1CNT *pm1_cnt);
	128
23910d3f IY	129	/* GPE0 */
	130	struct ACPIGPE {
	131	uint32_t blk;
	132	uint8_t len;
	133
	134	uint8_t *sts;
	135	uint8_t *en;
	136	};
	137	typedef struct ACPIGPE ACPIGPE;
	138
	139	void acpi_gpe_init(ACPIGPE *gpe, uint8_t len);
	140	void acpi_gpe_blk(ACPIGPE *gpe, uint32_t blk);
	141	void acpi_gpe_reset(ACPIGPE *gpe);
	142
	143	void acpi_gpe_ioport_writeb(ACPIGPE *gpe, uint32_t addr, uint32_t val);
	144	uint32_t acpi_gpe_ioport_readb(ACPIGPE *gpe, uint32_t addr);
	145
990b150e	146	#endif /* !QEMU_HW_ACPI_H */