hw/acpi: Rename tco.c -> ich9_tco.c

tco.c contains the ICH9 implementation of its "total cost
of ownership". Rename it accordingly to emphasis this is
a part of the ICH9 model.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221212105115.2113-1-philmd@linaro.org>
Acked-by: Igor Mammedov <imammedo@redhat.com>

1 files changed, 0 insertions, 275 deletions

diff --git a/hw/acpi/tco.c b/hw/acpi/tco.c
deleted file mode 100644
index 9ebd3e5..0000000
--- a/hw/acpi/tco.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/*
- * QEMU ICH9 TCO emulation
- *
- * Copyright (c) 2015 Paulo Alcantara <pcacjr@zytor.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "sysemu/watchdog.h"
-#include "hw/i386/ich9.h"
-#include "migration/vmstate.h"
-
-#include "hw/acpi/tco.h"
-#include "trace.h"
-
-enum {
-    TCO_RLD_DEFAULT         = 0x0000,
-    TCO_DAT_IN_DEFAULT      = 0x00,
-    TCO_DAT_OUT_DEFAULT     = 0x00,
-    TCO1_STS_DEFAULT        = 0x0000,
-    TCO2_STS_DEFAULT        = 0x0000,
-    TCO1_CNT_DEFAULT        = 0x0000,
-    TCO2_CNT_DEFAULT        = 0x0008,
-    TCO_MESSAGE1_DEFAULT    = 0x00,
-    TCO_MESSAGE2_DEFAULT    = 0x00,
-    TCO_WDCNT_DEFAULT       = 0x00,
-    TCO_TMR_DEFAULT         = 0x0004,
-    SW_IRQ_GEN_DEFAULT      = 0x03,
-};
-
-static inline void tco_timer_reload(TCOIORegs *tr)
-{
-    int ticks = tr->tco.tmr & TCO_TMR_MASK;
-    int64_t nsec = (int64_t)ticks * TCO_TICK_NSEC;
-
-    trace_tco_timer_reload(ticks, nsec / 1000000);
-    tr->expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + nsec;
-    timer_mod(tr->tco_timer, tr->expire_time);
-}
-
-static inline void tco_timer_stop(TCOIORegs *tr)
-{
-    tr->expire_time = -1;
-    timer_del(tr->tco_timer);
-}
-
-static void tco_timer_expired(void *opaque)
-{
-    TCOIORegs *tr = opaque;
-    ICH9LPCPMRegs *pm = container_of(tr, ICH9LPCPMRegs, tco_regs);
-    ICH9LPCState *lpc = container_of(pm, ICH9LPCState, pm);
-    uint32_t gcs = pci_get_long(lpc->chip_config + ICH9_CC_GCS);
-
-    trace_tco_timer_expired(tr->timeouts_no,
-                            lpc->pin_strap.spkr_hi,
-                            !!(gcs & ICH9_CC_GCS_NO_REBOOT));
-    tr->tco.rld = 0;
-    tr->tco.sts1 |= TCO_TIMEOUT;
-    if (++tr->timeouts_no == 2) {
-        tr->tco.sts2 |= TCO_SECOND_TO_STS;
-        tr->tco.sts2 |= TCO_BOOT_STS;
-        tr->timeouts_no = 0;
-
-        if (!lpc->pin_strap.spkr_hi && !(gcs & ICH9_CC_GCS_NO_REBOOT)) {
-            watchdog_perform_action();
-            tco_timer_stop(tr);
-            return;
-        }
-    }
-
-    if (pm->smi_en & ICH9_PMIO_SMI_EN_TCO_EN) {
-        ich9_generate_smi();
-    }
-    tr->tco.rld = tr->tco.tmr;
-    tco_timer_reload(tr);
-}
-
-/* NOTE: values of 0 or 1 will be ignored by ICH */
-static inline int can_start_tco_timer(TCOIORegs *tr)
-{
-    return !(tr->tco.cnt1 & TCO_TMR_HLT) && tr->tco.tmr > 1;
-}
-
-static uint32_t tco_ioport_readw(TCOIORegs *tr, uint32_t addr)
-{
-    uint16_t rld;
-    uint32_t ret = 0;
-
-    switch (addr) {
-    case TCO_RLD:
-        if (tr->expire_time != -1) {
-            int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-            int64_t elapsed = (tr->expire_time - now) / TCO_TICK_NSEC;
-            rld = (uint16_t)elapsed | (tr->tco.rld & ~TCO_RLD_MASK);
-        } else {
-            rld = tr->tco.rld;
-        }
-        ret = rld;
-        break;
-    case TCO_DAT_IN:
-        ret = tr->tco.din;
-        break;
-    case TCO_DAT_OUT:
-        ret = tr->tco.dout;
-        break;
-    case TCO1_STS:
-        ret = tr->tco.sts1;
-        break;
-    case TCO2_STS:
-        ret = tr->tco.sts2;
-        break;
-    case TCO1_CNT:
-        ret = tr->tco.cnt1;
-        break;
-    case TCO2_CNT:
-        ret = tr->tco.cnt2;
-        break;
-    case TCO_MESSAGE1:
-        ret = tr->tco.msg1;
-        break;
-    case TCO_MESSAGE2:
-        ret = tr->tco.msg2;
-        break;
-    case TCO_WDCNT:
-        ret = tr->tco.wdcnt;
-        break;
-    case TCO_TMR:
-        ret = tr->tco.tmr;
-        break;
-    case SW_IRQ_GEN:
-        ret = tr->sw_irq_gen;
-        break;
-    }
-    trace_tco_io_read(addr, ret);
-    return ret;
-}
-
-static void tco_ioport_writew(TCOIORegs *tr, uint32_t addr, uint32_t val)
-{
-    trace_tco_io_write(addr, val);
-    switch (addr) {
-    case TCO_RLD:
-        tr->timeouts_no = 0;
-        if (can_start_tco_timer(tr)) {
-            tr->tco.rld = tr->tco.tmr;
-            tco_timer_reload(tr);
-        } else {
-            tr->tco.rld = val;
-        }
-        break;
-    case TCO_DAT_IN:
-        tr->tco.din = val;
-        tr->tco.sts1 |= SW_TCO_SMI;
-        ich9_generate_smi();
-        break;
-    case TCO_DAT_OUT:
-        tr->tco.dout = val;
-        tr->tco.sts1 |= TCO_INT_STS;
-        /* TODO: cause an interrupt, as selected by the TCO_INT_SEL bits */
-        break;
-    case TCO1_STS:
-        tr->tco.sts1 = val & TCO1_STS_MASK;
-        break;
-    case TCO2_STS:
-        tr->tco.sts2 = val & TCO2_STS_MASK;
-        break;
-    case TCO1_CNT:
-        val &= TCO1_CNT_MASK;
-        /*
-         * once TCO_LOCK bit is set, it can not be cleared by software. a reset
-         * is required to change this bit from 1 to 0 -- it defaults to 0.
-         */
-        tr->tco.cnt1 = val | (tr->tco.cnt1 & TCO_LOCK);
-        if (can_start_tco_timer(tr)) {
-            tr->tco.rld = tr->tco.tmr;
-            tco_timer_reload(tr);
-        } else {
-            tco_timer_stop(tr);
-        }
-        break;
-    case TCO2_CNT:
-        tr->tco.cnt2 = val;
-        break;
-    case TCO_MESSAGE1:
-        tr->tco.msg1 = val;
-        break;
-    case TCO_MESSAGE2:
-        tr->tco.msg2 = val;
-        break;
-    case TCO_WDCNT:
-        tr->tco.wdcnt = val;
-        break;
-    case TCO_TMR:
-        tr->tco.tmr = val;
-        break;
-    case SW_IRQ_GEN:
-        tr->sw_irq_gen = val;
-        break;
-    }
-}
-
-static uint64_t tco_io_readw(void *opaque, hwaddr addr, unsigned width)
-{
-    TCOIORegs *tr = opaque;
-    return tco_ioport_readw(tr, addr);
-}
-
-static void tco_io_writew(void *opaque, hwaddr addr, uint64_t val,
-                          unsigned width)
-{
-    TCOIORegs *tr = opaque;
-    tco_ioport_writew(tr, addr, val);
-}
-
-static const MemoryRegionOps tco_io_ops = {
-    .read = tco_io_readw,
-    .write = tco_io_writew,
-    .valid.min_access_size = 1,
-    .valid.max_access_size = 4,
-    .impl.min_access_size = 1,
-    .impl.max_access_size = 2,
-    .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-void acpi_pm_tco_init(TCOIORegs *tr, MemoryRegion *parent)
-{
-    *tr = (TCOIORegs) {
-        .tco = {
-            .rld      = TCO_RLD_DEFAULT,
-            .din      = TCO_DAT_IN_DEFAULT,
-            .dout     = TCO_DAT_OUT_DEFAULT,
-            .sts1     = TCO1_STS_DEFAULT,
-            .sts2     = TCO2_STS_DEFAULT,
-            .cnt1     = TCO1_CNT_DEFAULT,
-            .cnt2     = TCO2_CNT_DEFAULT,
-            .msg1     = TCO_MESSAGE1_DEFAULT,
-            .msg2     = TCO_MESSAGE2_DEFAULT,
-            .wdcnt    = TCO_WDCNT_DEFAULT,
-            .tmr      = TCO_TMR_DEFAULT,
-        },
-        .sw_irq_gen    = SW_IRQ_GEN_DEFAULT,
-        .tco_timer     = timer_new_ns(QEMU_CLOCK_VIRTUAL, tco_timer_expired, tr),
-        .expire_time   = -1,
-        .timeouts_no   = 0,
-    };
-    memory_region_init_io(&tr->io, memory_region_owner(parent),
-                          &tco_io_ops, tr, "sm-tco", ICH9_PMIO_TCO_LEN);
-    memory_region_add_subregion(parent, ICH9_PMIO_TCO_RLD, &tr->io);
-}
-
-const VMStateDescription vmstate_tco_io_sts = {
-    .name = "tco io device status",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .fields      = (VMStateField[]) {
-        VMSTATE_UINT16(tco.rld, TCOIORegs),
-        VMSTATE_UINT8(tco.din, TCOIORegs),
-        VMSTATE_UINT8(tco.dout, TCOIORegs),
-        VMSTATE_UINT16(tco.sts1, TCOIORegs),
-        VMSTATE_UINT16(tco.sts2, TCOIORegs),
-        VMSTATE_UINT16(tco.cnt1, TCOIORegs),
-        VMSTATE_UINT16(tco.cnt2, TCOIORegs),
-        VMSTATE_UINT8(tco.msg1, TCOIORegs),
-        VMSTATE_UINT8(tco.msg2, TCOIORegs),
-        VMSTATE_UINT8(tco.wdcnt, TCOIORegs),
-        VMSTATE_UINT16(tco.tmr, TCOIORegs),
-        VMSTATE_UINT8(sw_irq_gen, TCOIORegs),
-        VMSTATE_TIMER_PTR(tco_timer, TCOIORegs),
-        VMSTATE_INT64(expire_time, TCOIORegs),
-        VMSTATE_UINT8(timeouts_no, TCOIORegs),
-        VMSTATE_END_OF_LIST()
-    }
-};