^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * acpi.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * acpi file for domain 0 kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2011 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (c) 2011 Yu Ke ke.yu@intel.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * modify it under the terms of the GNU General Public License version 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * as published by the Free Software Foundation; or, when distributed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * separately from the Linux kernel or incorporated into other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * software packages, subject to the following license:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * Permission is hereby granted, free of charge, to any person obtaining a copy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * of this source file (the "Software"), to deal in the Software without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * restriction, including without limitation the rights to use, copy, modify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * merge, publish, distribute, sublicense, and/or sell copies of the Software,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * and to permit persons to whom the Software is furnished to do so, subject to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * the following conditions:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * The above copyright notice and this permission notice shall be included in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * all copies or substantial portions of the Software.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * IN THE SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <xen/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <xen/interface/platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <asm/xen/hypercall.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <asm/xen/hypervisor.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int xen_acpi_notify_hypervisor_state(u8 sleep_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) u32 val_a, u32 val_b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) bool extended)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) unsigned int bits = extended ? 8 : 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct xen_platform_op op = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .cmd = XENPF_enter_acpi_sleep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .interface_version = XENPF_INTERFACE_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .u.enter_acpi_sleep = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .val_a = (u16)val_a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .val_b = (u16)val_b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .sleep_state = sleep_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .flags = extended ? XENPF_ACPI_SLEEP_EXTENDED : 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (WARN((val_a & (~0 << bits)) || (val_b & (~0 << bits)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) "Using more than %u bits of sleep control values %#x/%#x!"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) "Email xen-devel@lists.xen.org - Thank you.\n", \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) bits, val_a, val_b))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) HYPERVISOR_platform_op(&op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) int xen_acpi_notify_hypervisor_sleep(u8 sleep_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u32 pm1a_cnt, u32 pm1b_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return xen_acpi_notify_hypervisor_state(sleep_state, pm1a_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) pm1b_cnt, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) int xen_acpi_notify_hypervisor_extended_sleep(u8 sleep_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) u32 val_a, u32 val_b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return xen_acpi_notify_hypervisor_state(sleep_state, val_a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) val_b, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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