1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright(c) 2007-2025 Intel Corporation */
14 #define CLK_DBGFS_FILE "frequency"
37 	hw_data = accel_dev->hw_device;  in adf_clock_read_frequency()
39 	error = sysctl_handle_int(oidp, &hw_data->clock_frequency, 0, req);  in adf_clock_read_frequency()
40 	if (error || !req->newptr)  in adf_clock_read_frequency()
54 	    device_get_sysctl_ctx(accel_dev->accel_pci_dev.pci_dev);  in adf_clock_debugfs_add()
56 	    device_get_sysctl_tree(accel_dev->accel_pci_dev.pci_dev);  in adf_clock_debugfs_add()
67 			     "clock frequency");  in adf_clock_debugfs_add()
73  * adf_dev_measure_clock() -- Measure the CPM clock frequency
75  * @frequency: Pointer to returned frequency in Hz.
80 measure_clock(struct adf_accel_dev *accel_dev, u32 *frequency)  in measure_clock()  argument
93 	if (!accel_dev || !frequency)  in measure_clock()
149 	temp = (timestamp2 - timestamp1) * ME_CLK_DIVIDER * 10 + (delta_us / 2);  in measure_clock()
151 	*frequency = temp * 100000;  in measure_clock()
157  * adf_dev_measure_clock() -- Measure the CPM clock frequency
159  * @frequency: Pointer to returned frequency in Hz.
160  * @min: Minimum expected frequency
161  * @max: Maximum expected frequency
167 		      u32 *frequency,  in adf_dev_measure_clock()  argument
169 		      u32 max)  in adf_dev_measure_clock()  argument
184 	} else if (freq > max) {  in adf_dev_measure_clock()
188 			      max);  in adf_dev_measure_clock()
189 		freq = max;  in adf_dev_measure_clock()
191 	*frequency = freq;  in adf_dev_measure_clock()
198 	return (uint64_t)(ts->tv_sec * (1000)) + (ts->tv_nsec / NSEC_PER_MSEC);  in timespec_to_ms()