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/* SPDX-License-Identifier: GPL-2.0-only */
/* TODO: Check if this is still correct */
#include <amdblocks/gpio.h>
#include <amdblocks/smi.h>
#include <amdblocks/xhci.h>
#include <bootstate.h>
#include <device/device.h>
#include <device/pci_ids.h>
#include <drivers/usb/pci_xhci/pci_xhci.h>
#include <soc/pci_devs.h>
#include <soc/smi.h>
#include <static.h>
static const struct sci_source xhci_sci_sources[] = {
{
.scimap = SMITYPE_XHC0_PME,
.gpe = XHCI_GEVENT,
.direction = SMI_SCI_LVL_HIGH,
.level = SMI_SCI_EDG
},
{
.scimap = SMITYPE_XHC1_PME,
.gpe = XHCI_GEVENT,
.direction = SMI_SCI_LVL_HIGH,
.level = SMI_SCI_EDG
},
{
.scimap = SMITYPE_XHC2_PME,
.gpe = XHCI_GEVENT,
.direction = SMI_SCI_LVL_HIGH,
.level = SMI_SCI_EDG
}
};
enum cb_err pci_xhci_get_wake_gpe(const struct device *dev, int *gpe)
{
if (dev->upstream->dev->path.type != DEVICE_PATH_PCI)
return CB_ERR_ARG;
if (dev->path.type != DEVICE_PATH_PCI)
return CB_ERR_ARG;
if (dev->upstream->dev->path.pci.devfn == PCIE_ABC_A_DEVFN) {
if (dev->path.pci.devfn == XHCI0_DEVFN) {
*gpe = xhci_sci_sources[0].gpe;
return CB_SUCCESS;
} else if (dev->path.pci.devfn == XHCI1_DEVFN) {
*gpe = xhci_sci_sources[1].gpe;
return CB_SUCCESS;
}
} else if (dev->upstream->dev->path.pci.devfn == PCIE_ABC_C_DEVFN) {
if (dev->path.pci.devfn == XHCI2_DEVFN
&& dev->device == PCI_DID_AMD_FAM17H_MODELA0H_XHCI2) {
*gpe = xhci_sci_sources[2].gpe;
return CB_SUCCESS;
}
}
return CB_ERR_ARG;
}
static void configure_xhci_sci(void *unused)
{
const struct device *xhci_2 = DEV_PTR(xhci_2);
if (xhci_2->device == PCI_DID_AMD_FAM17H_MODELA0H_XHCI2)
gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources));
else
gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources) - 1);
}
BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, configure_xhci_sci, NULL);
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