1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (c) 2011-2021, The Linux Foundation. All rights reserved.
4  * Copyright (c) 2022-2025, Qualcomm Innovation Center, Inc. All rights reserved.
100 	u64 accumulated = stat->accumulated;  in qcom_print_stats()
105 	if (stat->last_entered_at > stat->last_exited_at)  in qcom_print_stats()
106 		accumulated += arch_timer_read_counter() - stat->last_entered_at;  in qcom_print_stats()
108 	seq_printf(s, "Count: %u\n", stat->count);  in qcom_print_stats()
109 	seq_printf(s, "Last Entered At: %llu\n", stat->last_entered_at);  in qcom_print_stats()
110 	seq_printf(s, "Last Exited At: %llu\n", stat->last_exited_at);  in qcom_print_stats()
116 	struct subsystem_data *subsystem = s->private;  in qcom_subsystem_sleep_stats_show()
120 	stat = qcom_smem_get(subsystem->pid, subsystem->smem_item, NULL);  in qcom_subsystem_sleep_stats_show()
131 	struct stats_data *d = s->private;  in qcom_soc_sleep_stats_show()
132 	void __iomem *reg = d->base;  in qcom_soc_sleep_stats_show()
138 	if (d->appended_stats_avail) {  in qcom_soc_sleep_stats_show()
161 	 * Bits	 -  Meaning  in qcom_ddr_stats_print()
162 	 * 0:7	 -  DDR LPM name, can be of 0xd4, 0xd3, 0x11 and 0xd0.  in qcom_ddr_stats_print()
163 	 * 8:15	 -  0x0 (indicates its a LPM stat)  in qcom_ddr_stats_print()
164 	 * 16:31 -  Unused  in qcom_ddr_stats_print()
167 	 * Bits  -  Meaning  in qcom_ddr_stats_print()
168 	 * 0:4   -  DDR Clock plan index (CP IDX)  in qcom_ddr_stats_print()
169 	 * 5:7   -  Unused  in qcom_ddr_stats_print()
170 	 * 8:15  -  0x1 (indicates its Freq stat)  in qcom_ddr_stats_print()
171 	 * 16:31 -  Frequency value in Mhz  in qcom_ddr_stats_print()
173 	switch (DDR_STATS_TYPE(data->name)) {  in qcom_ddr_stats_print()
176 			   DDR_STATS_LPM_NAME(data->name), data->count, data->duration);  in qcom_ddr_stats_print()
179 		if (!data->count || !DDR_STATS_FREQ(data->name))  in qcom_ddr_stats_print()
182 		cp_idx = DDR_STATS_CP_IDX(data->name);  in qcom_ddr_stats_print()
184 			   DDR_STATS_FREQ(data->name), cp_idx, data->count, data->duration);  in qcom_ddr_stats_print()
192 	void __iomem *reg = (void __iomem *)s->private;  in qcom_ddr_stats_show()
198 		return -EINVAL;  in qcom_ddr_stats_show()
234 	if (!config->ddr_stats_offset)  in qcom_create_ddr_stat_files()
237 	key = readl_relaxed(reg + config->ddr_stats_offset + DDR_STATS_MAGIC_KEY_ADDR);  in qcom_create_ddr_stat_files()
240 				    (__force void *)reg + config->ddr_stats_offset,  in qcom_create_ddr_stat_files()
249 	size_t stats_offset = config->stats_offset;  in qcom_create_soc_sleep_stat_files()
254 	 * On RPM targets, stats offset location is dynamic and changes from target  in qcom_create_soc_sleep_stat_files()
255 	 * to target and sometimes from build to build for same target.  in qcom_create_soc_sleep_stat_files()
260 	if (config->dynamic_offset) {  in qcom_create_soc_sleep_stat_files()
265 	for (i = 0; i < config->num_records; i++) {  in qcom_create_soc_sleep_stat_files()
272 		 * For rpmh-sleep-stats: "aosd", "cxsd" and "ddr".  in qcom_create_soc_sleep_stat_files()
273 		 * For rpm-sleep-stats: "vmin" and "vlow".  in qcom_create_soc_sleep_stat_files()
295 	if (!config->subsystem_stats_in_smem)  in qcom_create_subsystem_stat_files()
311 	config = device_get_match_data(&pdev->dev);  in qcom_stats_probe()
313 		return -ENODEV;  in qcom_stats_probe()
317 		return -ENOMEM;  in qcom_stats_probe()
319 	d = devm_kcalloc(&pdev->dev, config->num_records,  in qcom_stats_probe()
322 		return -ENOMEM;  in qcom_stats_probe()
324 	for (i = 0; i < config->num_records; i++)  in qcom_stats_probe()
325 		d[i].appended_stats_avail = config->appended_stats_avail;  in qcom_stats_probe()
331 	qcom_stats_qmp = qmp_get(&pdev->dev);  in qcom_stats_probe()
334 		if (!of_property_present(pdev->dev.of_node, "qcom,qmp"))  in qcom_stats_probe()
336 		else if (PTR_ERR(qcom_stats_qmp) == -EPROBE_DEFER)  in qcom_stats_probe()
337 			return -EPROBE_DEFER;  in qcom_stats_probe()
350 	device_set_pm_not_required(&pdev->dev);  in qcom_stats_probe()
370 /* Older RPM firmwares have the stats at a fixed offset instead */
397 	{ .compatible = "qcom,apq8084-rpm-stats", .data = &rpm_data_dba0 },
398 	{ .compatible = "qcom,msm8226-rpm-stats", .data = &rpm_data_dba0 },
399 	{ .compatible = "qcom,msm8916-rpm-stats", .data = &rpm_data_dba0 },
400 	{ .compatible = "qcom,msm8974-rpm-stats", .data = &rpm_data_dba0 },
401 	{ .compatible = "qcom,rpm-stats", .data = &rpm_data },
402 	{ .compatible = "qcom,rpmh-stats", .data = &rpmh_data },
403 	{ .compatible = "qcom,sdm845-rpmh-stats", .data = &rpmh_data_sdm845 },