1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright(c) 2007-2022 Intel Corporation */
13 #define CLK_DBGFS_FILE "frequency"
27 	struct adf_hw_device_data *hw_data = accel_dev->hw_device;  in adf_clock_debugfs_add()
34 	    device_get_sysctl_ctx(accel_dev->accel_pci_dev.pci_dev);  in adf_clock_debugfs_add()
36 	    device_get_sysctl_tree(accel_dev->accel_pci_dev.pci_dev);  in adf_clock_debugfs_add()
43 			     &hw_data->clock_frequency,  in adf_clock_debugfs_add()
45 			     "clock frequency");  in adf_clock_debugfs_add()
51  * adf_dev_measure_clock() -- Measure the CPM clock frequency
53  * @frequency: Pointer to returned frequency in Hz.
58 measure_clock(struct adf_accel_dev *accel_dev, u32 *frequency)  in measure_clock()  argument
71 	if (!accel_dev || !frequency)  in measure_clock()
127 	temp = (timestamp2 - timestamp1) * ME_CLK_DIVIDER * 10 + (delta_us / 2);  in measure_clock()
129 	*frequency = temp * 100000;  in measure_clock()
135  * adf_dev_measure_clock() -- Measure the CPM clock frequency
137  * @frequency: Pointer to returned frequency in Hz.
138  * @min: Minimum expected frequency
139  * @max: Maximum expected frequency
145 		      u32 *frequency,  in adf_dev_measure_clock()  argument
147 		      u32 max)  in adf_dev_measure_clock()  argument
162 	} else if (freq > max) {  in adf_dev_measure_clock()
166 			      max);  in adf_dev_measure_clock()
167 		freq = max;  in adf_dev_measure_clock()
169 	*frequency = freq;  in adf_dev_measure_clock()
176 	return (uint64_t)(ts->tv_sec * (1000)) + (ts->tv_nsec / NSEC_PER_MSEC);  in timespec_to_ms()