| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later | 
 | 2 | /* | 
 | 3 |  * arch/arm/mach-tegra/cpuidle.c | 
 | 4 |  * | 
 | 5 |  * CPU idle driver for Tegra CPUs | 
 | 6 |  * | 
 | 7 |  * Copyright (c) 2010-2012, NVIDIA Corporation. | 
 | 8 |  * Copyright (c) 2011 Google, Inc. | 
 | 9 |  * Author: Colin Cross <ccross@android.com> | 
 | 10 |  *         Gary King <gking@nvidia.com> | 
 | 11 |  * | 
 | 12 |  * Rework for 3.3 by Peter De Schrijver <pdeschrijver@nvidia.com> | 
 | 13 |  */ | 
 | 14 |  | 
 | 15 | #include <linux/kernel.h> | 
 | 16 | #include <linux/module.h> | 
 | 17 |  | 
 | 18 | #include <soc/tegra/fuse.h> | 
 | 19 |  | 
 | 20 | #include "cpuidle.h" | 
 | 21 |  | 
 | 22 | void __init tegra_cpuidle_init(void) | 
 | 23 | { | 
 | 24 | 	switch (tegra_get_chip_id()) { | 
 | 25 | 	case TEGRA20: | 
 | 26 | 		if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC)) | 
 | 27 | 			tegra20_cpuidle_init(); | 
 | 28 | 		break; | 
 | 29 | 	case TEGRA30: | 
 | 30 | 		if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC)) | 
 | 31 | 			tegra30_cpuidle_init(); | 
 | 32 | 		break; | 
 | 33 | 	case TEGRA114: | 
 | 34 | 	case TEGRA124: | 
 | 35 | 		if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) || | 
 | 36 | 		    IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC)) | 
 | 37 | 			tegra114_cpuidle_init(); | 
 | 38 | 		break; | 
 | 39 | 	} | 
 | 40 | } | 
 | 41 |  | 
 | 42 | void tegra_cpuidle_pcie_irqs_in_use(void) | 
 | 43 | { | 
 | 44 | 	switch (tegra_get_chip_id()) { | 
 | 45 | 	case TEGRA20: | 
 | 46 | 		if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC)) | 
 | 47 | 			tegra20_cpuidle_pcie_irqs_in_use(); | 
 | 48 | 		break; | 
 | 49 | 	} | 
 | 50 | } |