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1.1 root 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
18: * License along with this library; if not, see
19: * <http://www.gnu.org/licenses/>.
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 */
1.1.1.2 ! root 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: }
! 101:
! 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:
! 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:
! 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);
1.1 root 145:
146: #endif /* !QEMU_HW_ACPI_H */
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