drivers/cpufreq/tegra194-cpufreq.c

61 	void (*set_cpu_ndiv)(struct cpufreq_policy *policy, u64 ndiv);
63 	int (*get_cpu_ndiv)(u32 cpu, u32 cpuid, u32 clusterid, u64 *ndiv);
124 static int tegra234_get_cpu_ndiv(u32 cpu, u32 cpuid, u32 clusterid, u64 *ndiv)
128 	*ndiv = readl(data->cpu_data[cpu].freq_core_reg) & NDIV_MASK;
133 static void tegra234_set_cpu_ndiv(struct cpufreq_policy *policy, u64 ndiv)
139 		writel(ndiv, data->cpu_data[cpu].freq_core_reg);
238 				   *nltbl, u16 ndiv)
240 	return nltbl->ref_clk_hz / KHZ * ndiv / (nltbl->pdiv * nltbl->mdiv);
359 static void tegra194_get_cpu_ndiv_sysreg(void *ndiv)
365 	*(u64 *)ndiv = ndiv_val;
368 static int tegra194_get_cpu_ndiv(u32 cpu, u32 cpuid, u32 clusterid, u64 *ndiv)
370 	return smp_call_function_single(cpu, tegra194_get_cpu_ndiv_sysreg, &ndiv, true);
380 static void tegra194_set_cpu_ndiv(struct cpufreq_policy *policy, u64 ndiv)
382 	on_each_cpu_mask(policy->cpus, tegra194_set_cpu_ndiv_sysreg, &ndiv, true);
391 	u64 ndiv;
397 	/* get last written ndiv value */
398 	ret = data->soc->ops->get_cpu_ndiv(cpu, data->cpu_data[cpu].cpuid, clusterid, &ndiv);
405 	 * to the last written ndiv value from freq_table. This is
409 		if (pos->driver_data != ndiv)
413 			pr_warn("cpufreq: cpu%d,cur:%u,set:%u,delta:%d,set ndiv:%llu\n",
414 				cpu, rate, pos->frequency, abs(rate - pos->frequency), ndiv);
622 	unsigned int num_freqs, ndiv, delta_ndiv;
674 	for (index = 0, ndiv = resp.ndiv_min;
675 			ndiv < resp.ndiv_max;
676 			index++, ndiv += freq_table_step_size) {
677 		freq_table[index].driver_data = ndiv;
678 		freq_table[index].frequency = map_ndiv_to_freq(&resp, ndiv);