| /* Copyright (c) 2022 Intel Corporation |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| #include <zephyr/kernel.h> |
| #include <zephyr/ztest.h> |
| #include <stdlib.h> |
| #include "tests.h" |
| |
| intel_adsp_ipc_handler_t ipm_handler; |
| |
| static bool clock_msg(const struct device *dev, void *arg, |
| uint32_t data, uint32_t ext_data) |
| { |
| *(uint32_t *)arg = data; |
| return true; |
| } |
| |
| ZTEST(intel_adsp, test_clock_calibrate) |
| { |
| static volatile uint32_t host_dt; |
| uint32_t cyc0, cyc1, hz, diff; |
| |
| /* Prime the host script's timestamp */ |
| cyc0 = k_cycle_get_32(); |
| intel_adsp_ipc_send_message(INTEL_ADSP_IPC_HOST_DEV, IPCCMD_TIMESTAMP, 0); |
| |
| k_msleep(1000); |
| host_dt = 0; |
| intel_adsp_ipc_set_message_handler(INTEL_ADSP_IPC_HOST_DEV, clock_msg, (void *)&host_dt); |
| |
| /* Now do it again, but with a handler to catch the result */ |
| cyc1 = k_cycle_get_32(); |
| intel_adsp_ipc_send_message(INTEL_ADSP_IPC_HOST_DEV, IPCCMD_TIMESTAMP, 0); |
| AWAIT(host_dt != 0); |
| intel_adsp_ipc_set_message_handler(INTEL_ADSP_IPC_HOST_DEV, NULL, NULL); |
| |
| hz = 1000000ULL * (cyc1 - cyc0) / host_dt; |
| printk("CLOCK: %lld Hz\n", (1000000ULL * (cyc1 - cyc0)) / host_dt); |
| |
| /* Make sure we're within 1% of spec */ |
| diff = abs(hz - CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC); |
| zassert_true((hz / MIN(1, diff)) > 100, "clock rate wrong"); |
| } |
| |
| static void *intel_adsp_setup(void) |
| { |
| struct intel_adsp_ipc_data *devdata = INTEL_ADSP_IPC_HOST_DEV->data; |
| |
| ipm_handler = devdata->handle_message; |
| |
| return NULL; |
| } |
| |
| static void intel_adsp_teardown(void *data) |
| { |
| /* Wait a bit so the python script on host is ready to receive |
| * IPC messages. An IPC message could be used instead of a timer, |
| * but expecting IPC to be working on a test suite that is going |
| * to test IPC may not be indicated. |
| */ |
| k_msleep(1000); |
| } |
| |
| ZTEST_SUITE(intel_adsp, NULL, intel_adsp_setup, NULL, NULL, |
| intel_adsp_teardown); |
| |
| ZTEST_SUITE(intel_adsp_boot, NULL, intel_adsp_setup, NULL, NULL, NULL); |