1 /* 2 * Copyright (c) 2010 Google, Inc 3 * Copyright (c) 2014 NVIDIA Corporation 4 * 5 * Author: 6 * Colin Cross <ccross@google.com> 7 * 8 * This software is licensed under the terms of the GNU General Public 9 * License version 2, as published by the Free Software Foundation, and 10 * may be copied, distributed, and modified under those terms. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 */ 18 19 #ifndef __SOC_TEGRA_PMC_H__ 20 #define __SOC_TEGRA_PMC_H__ 21 22 #include <linux/reboot.h> 23 24 #include <soc/tegra/pm.h> 25 26 struct clk; 27 struct reset_control; 28 29 #ifdef CONFIG_PM_SLEEP 30 enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void); 31 void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode); 32 void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode); 33 #endif /* CONFIG_PM_SLEEP */ 34 35 #ifdef CONFIG_SMP 36 bool tegra_pmc_cpu_is_powered(unsigned int cpuid); 37 int tegra_pmc_cpu_power_on(unsigned int cpuid); 38 int tegra_pmc_cpu_remove_clamping(unsigned int cpuid); 39 #endif /* CONFIG_SMP */ 40 41 /* 42 * powergate and I/O rail APIs 43 */ 44 45 #define TEGRA_POWERGATE_CPU 0 46 #define TEGRA_POWERGATE_3D 1 47 #define TEGRA_POWERGATE_VENC 2 48 #define TEGRA_POWERGATE_PCIE 3 49 #define TEGRA_POWERGATE_VDEC 4 50 #define TEGRA_POWERGATE_L2 5 51 #define TEGRA_POWERGATE_MPE 6 52 #define TEGRA_POWERGATE_HEG 7 53 #define TEGRA_POWERGATE_SATA 8 54 #define TEGRA_POWERGATE_CPU1 9 55 #define TEGRA_POWERGATE_CPU2 10 56 #define TEGRA_POWERGATE_CPU3 11 57 #define TEGRA_POWERGATE_CELP 12 58 #define TEGRA_POWERGATE_3D1 13 59 #define TEGRA_POWERGATE_CPU0 14 60 #define TEGRA_POWERGATE_C0NC 15 61 #define TEGRA_POWERGATE_C1NC 16 62 #define TEGRA_POWERGATE_SOR 17 63 #define TEGRA_POWERGATE_DIS 18 64 #define TEGRA_POWERGATE_DISB 19 65 #define TEGRA_POWERGATE_XUSBA 20 66 #define TEGRA_POWERGATE_XUSBB 21 67 #define TEGRA_POWERGATE_XUSBC 22 68 #define TEGRA_POWERGATE_VIC 23 69 #define TEGRA_POWERGATE_IRAM 24 70 #define TEGRA_POWERGATE_NVDEC 25 71 #define TEGRA_POWERGATE_NVJPG 26 72 #define TEGRA_POWERGATE_AUD 27 73 #define TEGRA_POWERGATE_DFD 28 74 #define TEGRA_POWERGATE_VE2 29 75 #define TEGRA_POWERGATE_MAX TEGRA_POWERGATE_VE2 76 77 #define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D 78 79 #define TEGRA_IO_RAIL_CSIA 0 80 #define TEGRA_IO_RAIL_CSIB 1 81 #define TEGRA_IO_RAIL_DSI 2 82 #define TEGRA_IO_RAIL_MIPI_BIAS 3 83 #define TEGRA_IO_RAIL_PEX_BIAS 4 84 #define TEGRA_IO_RAIL_PEX_CLK1 5 85 #define TEGRA_IO_RAIL_PEX_CLK2 6 86 #define TEGRA_IO_RAIL_USB0 9 87 #define TEGRA_IO_RAIL_USB1 10 88 #define TEGRA_IO_RAIL_USB2 11 89 #define TEGRA_IO_RAIL_USB_BIAS 12 90 #define TEGRA_IO_RAIL_NAND 13 91 #define TEGRA_IO_RAIL_UART 14 92 #define TEGRA_IO_RAIL_BB 15 93 #define TEGRA_IO_RAIL_AUDIO 17 94 #define TEGRA_IO_RAIL_HSIC 19 95 #define TEGRA_IO_RAIL_COMP 22 96 #define TEGRA_IO_RAIL_HDMI 28 97 #define TEGRA_IO_RAIL_PEX_CNTRL 32 98 #define TEGRA_IO_RAIL_SDMMC1 33 99 #define TEGRA_IO_RAIL_SDMMC3 34 100 #define TEGRA_IO_RAIL_SDMMC4 35 101 #define TEGRA_IO_RAIL_CAM 36 102 #define TEGRA_IO_RAIL_RES 37 103 #define TEGRA_IO_RAIL_HV 38 104 #define TEGRA_IO_RAIL_DSIB 39 105 #define TEGRA_IO_RAIL_DSIC 40 106 #define TEGRA_IO_RAIL_DSID 41 107 #define TEGRA_IO_RAIL_CSIE 44 108 #define TEGRA_IO_RAIL_LVDS 57 109 #define TEGRA_IO_RAIL_SYS_DDC 58 110 111 #ifdef CONFIG_ARCH_TEGRA 112 int tegra_powergate_is_powered(unsigned int id); 113 int tegra_powergate_power_on(unsigned int id); 114 int tegra_powergate_power_off(unsigned int id); 115 int tegra_powergate_remove_clamping(unsigned int id); 116 117 /* Must be called with clk disabled, and returns with clk enabled */ 118 int tegra_powergate_sequence_power_up(unsigned int id, struct clk *clk, 119 struct reset_control *rst); 120 121 int tegra_io_rail_power_on(unsigned int id); 122 int tegra_io_rail_power_off(unsigned int id); 123 #else 124 static inline int tegra_powergate_is_powered(unsigned int id) 125 { 126 return -ENOSYS; 127 } 128 129 static inline int tegra_powergate_power_on(unsigned int id) 130 { 131 return -ENOSYS; 132 } 133 134 static inline int tegra_powergate_power_off(unsigned int id) 135 { 136 return -ENOSYS; 137 } 138 139 static inline int tegra_powergate_remove_clamping(unsigned int id) 140 { 141 return -ENOSYS; 142 } 143 144 static inline int tegra_powergate_sequence_power_up(unsigned int id, 145 struct clk *clk, 146 struct reset_control *rst) 147 { 148 return -ENOSYS; 149 } 150 151 static inline int tegra_io_rail_power_on(unsigned int id) 152 { 153 return -ENOSYS; 154 } 155 156 static inline int tegra_io_rail_power_off(unsigned int id) 157 { 158 return -ENOSYS; 159 } 160 #endif /* CONFIG_ARCH_TEGRA */ 161 162 #endif /* __SOC_TEGRA_PMC_H__ */ 163