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/*
* Copyright ( c ) 2010 Google , Inc
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* Copyright ( c ) 2014 NVIDIA Corporation
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*
* 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 .
*
*/
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# ifndef __SOC_TEGRA_PMC_H__
# define __SOC_TEGRA_PMC_H__
# include <linux/reboot.h>
# include <soc/tegra/pm.h>
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struct clk ;
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struct reset_control ;
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# ifdef CONFIG_SMP
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bool tegra_pmc_cpu_is_powered ( unsigned int cpuid ) ;
int tegra_pmc_cpu_power_on ( unsigned int cpuid ) ;
int tegra_pmc_cpu_remove_clamping ( unsigned int cpuid ) ;
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# endif /* CONFIG_SMP */
/*
* powergate and I / O rail APIs
*/
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# 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
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# 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
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# define TEGRA_POWERGATE_CPU0 14
# define TEGRA_POWERGATE_C0NC 15
# define TEGRA_POWERGATE_C1NC 16
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# define TEGRA_POWERGATE_SOR 17
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# 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
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# define TEGRA_POWERGATE_VIC 23
# define TEGRA_POWERGATE_IRAM 24
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# define TEGRA_POWERGATE_NVDEC 25
# define TEGRA_POWERGATE_NVJPG 26
# define TEGRA_POWERGATE_AUD 27
# define TEGRA_POWERGATE_DFD 28
# define TEGRA_POWERGATE_VE2 29
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# define TEGRA_POWERGATE_MAX TEGRA_POWERGATE_VE2
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# define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D
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/**
* enum tegra_io_pad - I / O pad group identifier
*
* I / O pins on Tegra SoCs are grouped into so - called I / O pads . Each such pad
* can be used to control the common voltage signal level and power state of
* the pins of the given pad .
*/
enum tegra_io_pad {
TEGRA_IO_PAD_AUDIO ,
TEGRA_IO_PAD_AUDIO_HV ,
TEGRA_IO_PAD_BB ,
TEGRA_IO_PAD_CAM ,
TEGRA_IO_PAD_COMP ,
TEGRA_IO_PAD_CSIA ,
TEGRA_IO_PAD_CSIB ,
TEGRA_IO_PAD_CSIC ,
TEGRA_IO_PAD_CSID ,
TEGRA_IO_PAD_CSIE ,
TEGRA_IO_PAD_CSIF ,
TEGRA_IO_PAD_DBG ,
TEGRA_IO_PAD_DEBUG_NONAO ,
TEGRA_IO_PAD_DMIC ,
TEGRA_IO_PAD_DP ,
TEGRA_IO_PAD_DSI ,
TEGRA_IO_PAD_DSIB ,
TEGRA_IO_PAD_DSIC ,
TEGRA_IO_PAD_DSID ,
TEGRA_IO_PAD_EMMC ,
TEGRA_IO_PAD_EMMC2 ,
TEGRA_IO_PAD_GPIO ,
TEGRA_IO_PAD_HDMI ,
TEGRA_IO_PAD_HSIC ,
TEGRA_IO_PAD_HV ,
TEGRA_IO_PAD_LVDS ,
TEGRA_IO_PAD_MIPI_BIAS ,
TEGRA_IO_PAD_NAND ,
TEGRA_IO_PAD_PEX_BIAS ,
TEGRA_IO_PAD_PEX_CLK1 ,
TEGRA_IO_PAD_PEX_CLK2 ,
TEGRA_IO_PAD_PEX_CNTRL ,
TEGRA_IO_PAD_SDMMC1 ,
TEGRA_IO_PAD_SDMMC3 ,
TEGRA_IO_PAD_SDMMC4 ,
TEGRA_IO_PAD_SPI ,
TEGRA_IO_PAD_SPI_HV ,
TEGRA_IO_PAD_SYS_DDC ,
TEGRA_IO_PAD_UART ,
TEGRA_IO_PAD_USB0 ,
TEGRA_IO_PAD_USB1 ,
TEGRA_IO_PAD_USB2 ,
TEGRA_IO_PAD_USB3 ,
TEGRA_IO_PAD_USB_BIAS ,
} ;
/* deprecated, use TEGRA_IO_PAD_{HDMI,LVDS} instead */
# define TEGRA_IO_RAIL_HDMI TEGRA_IO_PAD_HDMI
# define TEGRA_IO_RAIL_LVDS TEGRA_IO_PAD_LVDS
/**
* enum tegra_io_pad_voltage - voltage level of the I / O pad ' s source rail
* @ TEGRA_IO_PAD_1800000UV : 1.8 V
* @ TEGRA_IO_PAD_3300000UV : 3.3 V
*/
enum tegra_io_pad_voltage {
TEGRA_IO_PAD_1800000UV ,
TEGRA_IO_PAD_3300000UV ,
} ;
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# ifdef CONFIG_SOC_TEGRA_PMC
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int tegra_powergate_is_powered ( unsigned int id ) ;
int tegra_powergate_power_on ( unsigned int id ) ;
int tegra_powergate_power_off ( unsigned int id ) ;
int tegra_powergate_remove_clamping ( unsigned int id ) ;
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/* Must be called with clk disabled, and returns with clk enabled */
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int tegra_powergate_sequence_power_up ( unsigned int id , struct clk * clk ,
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struct reset_control * rst ) ;
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int tegra_io_pad_power_enable ( enum tegra_io_pad id ) ;
int tegra_io_pad_power_disable ( enum tegra_io_pad id ) ;
int tegra_io_pad_set_voltage ( enum tegra_io_pad id ,
enum tegra_io_pad_voltage voltage ) ;
int tegra_io_pad_get_voltage ( enum tegra_io_pad id ) ;
/* deprecated, use tegra_io_pad_power_{enable,disable}() instead */
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int tegra_io_rail_power_on ( unsigned int id ) ;
int tegra_io_rail_power_off ( unsigned int id ) ;
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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 ) ;
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# else
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static inline int tegra_powergate_is_powered ( unsigned int id )
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{
return - ENOSYS ;
}
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static inline int tegra_powergate_power_on ( unsigned int id )
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{
return - ENOSYS ;
}
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static inline int tegra_powergate_power_off ( unsigned int id )
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{
return - ENOSYS ;
}
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static inline int tegra_powergate_remove_clamping ( unsigned int id )
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{
return - ENOSYS ;
}
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static inline int tegra_powergate_sequence_power_up ( unsigned int id ,
struct clk * clk ,
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struct reset_control * rst )
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{
return - ENOSYS ;
}
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static inline int tegra_io_pad_power_enable ( enum tegra_io_pad id )
{
return - ENOSYS ;
}
static inline int tegra_io_pad_power_disable ( enum tegra_io_pad id )
{
return - ENOSYS ;
}
static inline int tegra_io_pad_set_voltage ( enum tegra_io_pad id ,
enum tegra_io_pad_voltage voltage )
{
return - ENOSYS ;
}
static inline int tegra_io_pad_get_voltage ( enum tegra_io_pad id )
{
return - ENOSYS ;
}
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static inline int tegra_io_rail_power_on ( unsigned int id )
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{
return - ENOSYS ;
}
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static inline int tegra_io_rail_power_off ( unsigned int id )
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{
return - ENOSYS ;
}
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static inline enum tegra_suspend_mode tegra_pmc_get_suspend_mode ( void )
{
return TEGRA_SUSPEND_NONE ;
}
static inline void tegra_pmc_set_suspend_mode ( enum tegra_suspend_mode mode )
{
}
static inline void tegra_pmc_enter_suspend_mode ( enum tegra_suspend_mode mode )
{
}
# endif /* CONFIG_SOC_TEGRA_PMC */
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# endif /* __SOC_TEGRA_PMC_H__ */