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Diffstat (limited to 'include/soc/tegra/pmc.h')
| -rw-r--r-- | include/soc/tegra/pmc.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/include/soc/tegra/pmc.h b/include/soc/tegra/pmc.h new file mode 100644 index 000000000..65a93273e --- /dev/null +++ b/include/soc/tegra/pmc.h @@ -0,0 +1,157 @@ +/* + * Copyright (c) 2010 Google, Inc + * Copyright (c) 2014 NVIDIA Corporation + * + * Author: + * Colin Cross <ccross@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __SOC_TEGRA_PMC_H__ +#define __SOC_TEGRA_PMC_H__ + +#include <linux/reboot.h> + +#include <soc/tegra/pm.h> + +struct clk; +struct reset_control; + +void tegra_pmc_restart(enum reboot_mode mode, const char *cmd); + +#ifdef CONFIG_PM_SLEEP +enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void); +void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode); +void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode); +#endif /* CONFIG_PM_SLEEP */ + +#ifdef CONFIG_SMP +bool tegra_pmc_cpu_is_powered(int cpuid); +int tegra_pmc_cpu_power_on(int cpuid); +int tegra_pmc_cpu_remove_clamping(int cpuid); +#endif /* CONFIG_SMP */ + +/* + * powergate and I/O rail APIs + */ + +#define TEGRA_POWERGATE_CPU 0 +#define TEGRA_POWERGATE_3D 1 +#define TEGRA_POWERGATE_VENC 2 +#define TEGRA_POWERGATE_PCIE 3 +#define TEGRA_POWERGATE_VDEC 4 +#define TEGRA_POWERGATE_L2 5 +#define TEGRA_POWERGATE_MPE 6 +#define TEGRA_POWERGATE_HEG 7 +#define TEGRA_POWERGATE_SATA 8 +#define TEGRA_POWERGATE_CPU1 9 +#define TEGRA_POWERGATE_CPU2 10 +#define TEGRA_POWERGATE_CPU3 11 +#define TEGRA_POWERGATE_CELP 12 +#define TEGRA_POWERGATE_3D1 13 +#define TEGRA_POWERGATE_CPU0 14 +#define TEGRA_POWERGATE_C0NC 15 +#define TEGRA_POWERGATE_C1NC 16 +#define TEGRA_POWERGATE_SOR 17 +#define TEGRA_POWERGATE_DIS 18 +#define TEGRA_POWERGATE_DISB 19 +#define TEGRA_POWERGATE_XUSBA 20 +#define TEGRA_POWERGATE_XUSBB 21 +#define TEGRA_POWERGATE_XUSBC 22 +#define TEGRA_POWERGATE_VIC 23 +#define TEGRA_POWERGATE_IRAM 24 + +#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D + +#define TEGRA_IO_RAIL_CSIA 0 +#define TEGRA_IO_RAIL_CSIB 1 +#define TEGRA_IO_RAIL_DSI 2 +#define TEGRA_IO_RAIL_MIPI_BIAS 3 +#define TEGRA_IO_RAIL_PEX_BIAS 4 +#define TEGRA_IO_RAIL_PEX_CLK1 5 +#define TEGRA_IO_RAIL_PEX_CLK2 6 +#define TEGRA_IO_RAIL_USB0 9 +#define TEGRA_IO_RAIL_USB1 10 +#define TEGRA_IO_RAIL_USB2 11 +#define TEGRA_IO_RAIL_USB_BIAS 12 +#define TEGRA_IO_RAIL_NAND 13 +#define TEGRA_IO_RAIL_UART 14 +#define TEGRA_IO_RAIL_BB 15 +#define TEGRA_IO_RAIL_AUDIO 17 +#define TEGRA_IO_RAIL_HSIC 19 +#define TEGRA_IO_RAIL_COMP 22 +#define TEGRA_IO_RAIL_HDMI 28 +#define TEGRA_IO_RAIL_PEX_CNTRL 32 +#define TEGRA_IO_RAIL_SDMMC1 33 +#define TEGRA_IO_RAIL_SDMMC3 34 +#define TEGRA_IO_RAIL_SDMMC4 35 +#define TEGRA_IO_RAIL_CAM 36 +#define TEGRA_IO_RAIL_RES 37 +#define TEGRA_IO_RAIL_HV 38 +#define TEGRA_IO_RAIL_DSIB 39 +#define TEGRA_IO_RAIL_DSIC 40 +#define TEGRA_IO_RAIL_DSID 41 +#define TEGRA_IO_RAIL_CSIE 44 +#define TEGRA_IO_RAIL_LVDS 57 +#define TEGRA_IO_RAIL_SYS_DDC 58 + +#ifdef CONFIG_ARCH_TEGRA +int tegra_powergate_is_powered(int id); +int tegra_powergate_power_on(int id); +int tegra_powergate_power_off(int id); +int tegra_powergate_remove_clamping(int id); + +/* Must be called with clk disabled, and returns with clk enabled */ +int tegra_powergate_sequence_power_up(int id, struct clk *clk, + struct reset_control *rst); + +int tegra_io_rail_power_on(int id); +int tegra_io_rail_power_off(int id); +#else +static inline int tegra_powergate_is_powered(int id) +{ + return -ENOSYS; +} + +static inline int tegra_powergate_power_on(int id) +{ + return -ENOSYS; +} + +static inline int tegra_powergate_power_off(int id) +{ + return -ENOSYS; +} + +static inline int tegra_powergate_remove_clamping(int id) +{ + return -ENOSYS; +} + +static inline int tegra_powergate_sequence_power_up(int id, struct clk *clk, + struct reset_control *rst) +{ + return -ENOSYS; +} + +static inline int tegra_io_rail_power_on(int id) +{ + return -ENOSYS; +} + +static inline int tegra_io_rail_power_off(int id) +{ + return -ENOSYS; +} +#endif /* CONFIG_ARCH_TEGRA */ + +#endif /* __SOC_TEGRA_PMC_H__ */ |