1 /*
2  * arch/arm/mach-tegra/cpuidle.c
3  *
4  * CPU idle driver for Tegra CPUs
5  *
6  * Copyright (c) 2010-2012, NVIDIA Corporation.
7  * Copyright (c) 2011 Google, Inc.
8  * Author: Colin Cross <ccross@android.com>
9  *         Gary King <gking@nvidia.com>
10  *
11  * Rework for 3.3 by Peter De Schrijver <pdeschrijver@nvidia.com>
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License as published by
15  * the Free Software Foundation; either version 2 of the License, or
16  * (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful, but WITHOUT
19  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
20  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
21  * more details.
22  */
23 
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26 
27 #include <soc/tegra/fuse.h>
28 
29 #include "cpuidle.h"
30 
tegra_cpuidle_init(void)31 void __init tegra_cpuidle_init(void)
32 {
33 	switch (tegra_get_chip_id()) {
34 	case TEGRA20:
35 		if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC))
36 			tegra20_cpuidle_init();
37 		break;
38 	case TEGRA30:
39 		if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC))
40 			tegra30_cpuidle_init();
41 		break;
42 	case TEGRA114:
43 	case TEGRA124:
44 		if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) ||
45 		    IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC))
46 			tegra114_cpuidle_init();
47 		break;
48 	}
49 }
50 
tegra_cpuidle_pcie_irqs_in_use(void)51 void tegra_cpuidle_pcie_irqs_in_use(void)
52 {
53 	switch (tegra_get_chip_id()) {
54 	case TEGRA20:
55 		if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC))
56 			tegra20_cpuidle_pcie_irqs_in_use();
57 		break;
58 	}
59 }
60