blob: e8981e2c4a3c33b37c39a6a199df078ebd8c5735 [file] [log] [blame]
/*
* Copyright (c) 2023 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <zephyr/arch/cpu.h>
#include <zephyr/device.h>
#include <stdbool.h>
#include <zephyr/drivers/pcie/pcie.h>
#include <zephyr/acpi/acpi.h>
#include <zephyr/shell/shell.h>
static void dump_dev_res(const struct shell *sh, ACPI_RESOURCE *res_lst)
{
ACPI_RESOURCE *res = res_lst;
shell_print(sh, "**** ACPI Device Resource Info ****");
do {
if (!res->Length) {
shell_error(sh, "Error: zero length found!");
break;
}
switch (res->Type) {
case ACPI_RESOURCE_TYPE_IRQ:
shell_print(sh, "ACPI_RESOURCE_TYPE_IRQ");
ACPI_RESOURCE_IRQ *irq_res = &res->Data.Irq;
shell_print(sh, "\tDescriptorLength: %x", irq_res->DescriptorLength);
shell_print(sh, "\tTriggering: %x", irq_res->Triggering);
shell_print(sh, "\tPolarity: %x", irq_res->Polarity);
shell_print(sh, "\tShareable: %x", irq_res->Shareable);
shell_print(sh, "\tInterruptCount: %d", irq_res->InterruptCount);
shell_print(sh, "\tInterrupts[0]: %x", irq_res->Interrupts[0]);
break;
case ACPI_RESOURCE_TYPE_IO: {
ACPI_RESOURCE_IO *io_res = &res->Data.Io;
shell_print(sh, "ACPI_RESOURCE_TYPE_IO");
shell_print(sh, "\tIoDecode: %x", io_res->IoDecode);
shell_print(sh, "\tAlignment: %x", io_res->Alignment);
shell_print(sh, "\tAddressLength: %x", io_res->AddressLength);
shell_print(sh, "\tMinimum: %x", io_res->Minimum);
shell_print(sh, "\tMaximum: %x", io_res->Maximum);
break;
}
case ACPI_RESOURCE_TYPE_DMA:
shell_print(sh, "ACPI_RESOURCE_TYPE_DMA");
break;
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
shell_print(sh, "ACPI_RESOURCE_TYPE_START_DEPENDENT");
break;
case ACPI_RESOURCE_TYPE_END_DEPENDENT:
shell_print(sh, "ACPI_RESOURCE_TYPE_END_DEPENDENT");
break;
case ACPI_RESOURCE_TYPE_FIXED_IO:
shell_print(sh, "ACPI_RESOURCE_TYPE_FIXED_IO");
break;
case ACPI_RESOURCE_TYPE_VENDOR:
shell_print(sh, "ACPI_RESOURCE_TYPE_VENDOR");
break;
case ACPI_RESOURCE_TYPE_MEMORY24:
shell_print(sh, "ACPI_RESOURCE_TYPE_MEMORY24");
break;
case ACPI_RESOURCE_TYPE_MEMORY32: {
ACPI_RESOURCE_MEMORY32 *mem_res = &res->Data.Memory32;
shell_print(sh, "ACPI_RESOURCE_TYPE_MEMORY32");
shell_print(sh, "\tMinimum: %x", mem_res->Minimum);
shell_print(sh, "\tMaximum: %x", mem_res->Maximum);
break;
}
case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: {
ACPI_RESOURCE_FIXED_MEMORY32 *fix_mem_res = &res->Data.FixedMemory32;
shell_print(sh, "ACPI_RESOURCE_TYPE_FIXED_MEMORY32");
shell_print(sh, "\tAddress: %x", fix_mem_res->Address);
break;
}
case ACPI_RESOURCE_TYPE_ADDRESS16:
shell_print(sh, "ACPI_RESOURCE_TYPE_ADDRESS16");
break;
case ACPI_RESOURCE_TYPE_ADDRESS32: {
ACPI_RESOURCE_ADDRESS32 *add_res = &res->Data.Address32;
shell_print(sh, "ACPI_RESOURCE_TYPE_ADDRESS32");
shell_print(sh, "\tMinimum: %x", add_res->Address.Minimum);
shell_print(sh, "\tMaximum: %x", add_res->Address.Maximum);
break;
}
case ACPI_RESOURCE_TYPE_ADDRESS64: {
ACPI_RESOURCE_ADDRESS64 *add_res64 = &res->Data.Address64;
shell_print(sh, "ACPI_RESOURCE_TYPE_ADDRESS64");
shell_print(sh, "\tMinimum: %llx", add_res64->Address.Minimum);
shell_print(sh, "\tMaximum: %llx", add_res64->Address.Maximum);
break;
}
case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
shell_print(sh, "ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64");
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: {
ACPI_RESOURCE_EXTENDED_IRQ *ext_irq_res = &res->Data.ExtendedIrq;
shell_print(sh, "ACPI_RESOURCE_TYPE_EXTENDED_IRQ");
shell_print(sh, "\tTriggering: %x", ext_irq_res->Triggering);
shell_print(sh, "\tPolarity: %x", ext_irq_res->Polarity);
shell_print(sh, "\tShareable: %s", ext_irq_res->Shareable ? "YES":"NO");
shell_print(sh, "\tInterruptCount: %d", ext_irq_res->InterruptCount);
shell_print(sh, "\tInterrupts[0]: %d", ext_irq_res->Interrupts[0]);
break;
}
case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
shell_print(sh, "ACPI_RESOURCE_TYPE_GENERIC_REGISTER");
break;
case ACPI_RESOURCE_TYPE_GPIO:
shell_print(sh, "ACPI_RESOURCE_TYPE_GPIO");
break;
case ACPI_RESOURCE_TYPE_FIXED_DMA:
shell_print(sh, "ACPI_RESOURCE_TYPE_FIXED_DMA");
break;
case ACPI_RESOURCE_TYPE_SERIAL_BUS:
shell_print(sh, "ACPI_RESOURCE_TYPE_SERIAL_BUS");
break;
case ACPI_RESOURCE_TYPE_PIN_FUNCTION:
shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_FUNCTION");
break;
case ACPI_RESOURCE_TYPE_PIN_CONFIG:
shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_CONFIG");
break;
case ACPI_RESOURCE_TYPE_PIN_GROUP:
shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_GROUP");
break;
case ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION:
shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION");
break;
case ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG:
shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG");
break;
default:
shell_error(sh, "Unknown resource type %d", res->Type);
}
res = ACPI_NEXT_RESOURCE(res);
} while (res->Type != ACPI_RESOURCE_TYPE_END_TAG);
}
static int dump_dev_crs(const struct shell *sh, size_t argc, char **argv)
{
int status;
ACPI_RESOURCE *res_lst;
if (argc < 2) {
shell_error(sh, "invalid argument");
return -EINVAL;
}
status = acpi_current_resource_get(argv[1], &res_lst);
if (status) {
shell_error(sh, "Error on ACPI _CRS method: %d", status);
return status;
}
dump_dev_res(sh, res_lst);
acpi_current_resource_free(res_lst);
return 0;
}
static int dump_dev_prs(const struct shell *sh, size_t argc, char **argv)
{
int status;
ACPI_RESOURCE *res_lst;
if (argc < 2) {
shell_error(sh, "invalid argument");
return -EINVAL;
}
status = acpi_possible_resource_get(argv[1], &res_lst);
if (status) {
shell_error(sh, "Error in on ACPI _PRS method: %d", status);
return status;
}
dump_dev_res(sh, res_lst);
return 0;
}
static int dump_prt(const struct shell *sh, size_t argc, char **argv)
{
IF_ENABLED(CONFIG_PCIE_PRT, ({
int irq, bus, dev_num, func;
pcie_bdf_t bdf;
if (argc < 4) {
shell_error(sh, "invalid arguments [Eg: acpi prt <bus> <dev> <func>]");
return -EINVAL;
}
bus = atoi(argv[1]);
dev_num = atoi(argv[2]);
func = atoi(argv[3]);
bdf = PCIE_BDF(bus, dev_num, func);
irq = acpi_legacy_irq_get(bdf);
if (irq != UINT_MAX) {
shell_print(sh, "PCI Legacy IRQ for bus %d dev %d func %d is: %d",
bus, dev_num, func, irq);
} else {
shell_print(sh, "PCI Legacy IRQ for bus %d dev %d func %d Not found",
bus, dev_num, func);
}
})); /* IF_ENABLED(CONFIG_PCIE_PRT) */
return 0;
}
static int enum_dev(const struct shell *sh, size_t argc, char **argv)
{
struct acpi_dev *dev;
ACPI_RESOURCE *res_lst;
if (argc < 3) {
shell_error(sh, "Invalid arguments [Eg: acpi enum PNP0103 0]");
return -EINVAL;
}
dev = acpi_device_get(argv[1], argv[2]);
if (!dev || !dev->res_lst) {
shell_error(sh, "acpi get device failed for HID: %s", argv[1]);
return -EIO;
}
shell_print(sh, "Name: %s", dev->path ? dev->path : "None");
if (dev->path) {
if (!acpi_current_resource_get(dev->path, &res_lst)) {
dump_dev_res(sh, res_lst);
acpi_current_resource_free(res_lst);
}
}
return 0;
}
static int enum_all_dev(const struct shell *sh, size_t argc, char **argv)
{
struct acpi_dev *dev;
for (int i = 0; i < CONFIG_ACPI_DEV_MAX; i++) {
dev = acpi_device_by_index_get(i);
if (!dev) {
shell_print(sh, "No more ACPI device found!");
break;
}
if (!dev->dev_info) {
continue;
}
shell_print(sh, "%d) Name: %s, HID: %s", i, dev->path ? dev->path : "None",
dev->dev_info->HardwareId.String ? dev->dev_info->HardwareId.String
: "None");
}
return 0;
}
static int get_acpi_dev_resource(const struct shell *sh, size_t argc, char **argv)
{
struct acpi_dev *dev;
struct acpi_irq_resource irq_res;
struct acpi_mmio_resource mmio_res;
uint16_t irqs[CONFIG_ACPI_IRQ_VECTOR_MAX];
struct acpi_reg_base reg_base[CONFIG_ACPI_MMIO_ENTRIES_MAX];
if (argc < 3) {
return -EINVAL;
}
dev = acpi_device_get(argv[1], argv[2]);
if (!dev) {
shell_error(sh, "acpi get device failed for HID: %s", argv[1]);
return -EIO;
}
if (dev->path) {
shell_print(sh, "Device Path: %s", dev->path);
mmio_res.mmio_max = ARRAY_SIZE(reg_base);
mmio_res.reg_base = reg_base;
if (!acpi_device_mmio_get(dev, &mmio_res)) {
shell_print(sh, "Device MMIO resources");
for (int i = 0; i < ACPI_RESOURCE_COUNT_GET(&mmio_res); i++) {
shell_print(sh, "\tType: %x, Address: %p, Size: %d",
ACPI_MULTI_RESOURCE_TYPE_GET(&mmio_res, i),
(void *)ACPI_MULTI_MMIO_GET(&mmio_res, i),
ACPI_MULTI_RESOURCE_SIZE_GET(&mmio_res, i));
}
}
irq_res.irq_vector_max = ARRAY_SIZE(irqs);
irq_res.irqs = irqs;
if (!acpi_device_irq_get(dev, &irq_res)) {
shell_print(sh, "Device IRQ resources");
for (int i = 0; i < irq_res.irq_vector_max; i++) {
shell_print(sh, "\tIRQ Num: %x, Flags: %x", irq_res.irqs[i],
irq_res.flags);
}
}
}
return 0;
}
static int read_table(const struct shell *sh, size_t argc, char **argv)
{
ACPI_TABLE_HEADER *table;
if (argc < 2) {
return -EINVAL;
}
table = acpi_table_get(argv[1], 0);
if (!table) {
shell_error(sh, "ACPI get table %s failed", argv[1]);
return -EIO;
}
shell_print(sh, "ACPI Table %s:", argv[1]);
shell_print(sh, "\tSignature: %.4s", table->Signature);
shell_print(sh, "\tTable Length: %d", table->Length);
shell_print(sh, "\tRevision: %d", table->Revision);
shell_print(sh, "\tOemId: %s", table->OemId);
return 0;
}
SHELL_STATIC_SUBCMD_SET_CREATE(
sub_acpi,
SHELL_CMD(crs, NULL,
"display device current resource settings (eg:acpi crs _SB.PC00.LPCB.RTC)",
dump_dev_crs),
SHELL_CMD(prs, NULL,
"display device possible resource settings (eg:acpi crs _SB.PC00.LPCB.RTC)",
dump_dev_prs),
SHELL_COND_CMD(CONFIG_PCIE_PRT, prt, NULL,
"display PRT details for a given bus (eg:acpi prt _SB.PC00)",
dump_prt),
SHELL_CMD(enum, NULL,
"enumerate device using hid (for enum HPET timer device,eg:acpi enum PNP0103)",
enum_dev),
SHELL_CMD(enum_all, NULL, "enumerate all device in acpi name space (eg:acpi enum_all)",
enum_all_dev),
SHELL_CMD(dev_res, NULL, "retrieve device resource (eg: acpi dev_res PNP0501 2)",
get_acpi_dev_resource),
SHELL_CMD(rd_table, NULL, "read ACPI table (eg: acpi read_table APIC)",
read_table),
SHELL_SUBCMD_SET_END /* Array terminated. */
);
SHELL_CMD_REGISTER(acpi, &sub_acpi, "Demo commands", NULL);