[deliverable/linux.git] / include / linux / tegra-powergate.h

/*
 * Copyright (c) 2010 Google, Inc
 *
 * 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 _MACH_TEGRA_POWERGATE_H_
#define _MACH_TEGRA_POWERGATE_H_

struct clk;
struct reset_control;

#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_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_3D0	TEGRA_POWERGATE_3D

#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);
#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;
}
#endif

#endif /* _MACH_TEGRA_POWERGATE_H_ */
Commit	Line	Data
ce1e3262	1	/*
ce1e3262 CC	2	* Copyright (c) 2010 Google, Inc
	3	*
	4	* Author:
	5	* Colin Cross <ccross@google.com>
	6	*
	7	* This software is licensed under the terms of the GNU General Public
	8	* License version 2, as published by the Free Software Foundation, and
	9	* may be copied, distributed, and modified under those terms.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	*/
	17
	18	#ifndef _MACH_TEGRA_POWERGATE_H_
	19	#define _MACH_TEGRA_POWERGATE_H_
	20
a25186eb	21	struct clk;
80b28791	22	struct reset_control;
a25186eb	23
ce1e3262 CC	24	#define TEGRA_POWERGATE_CPU 0
	25	#define TEGRA_POWERGATE_3D 1
	26	#define TEGRA_POWERGATE_VENC 2
	27	#define TEGRA_POWERGATE_PCIE 3
	28	#define TEGRA_POWERGATE_VDEC 4
	29	#define TEGRA_POWERGATE_L2 5
	30	#define TEGRA_POWERGATE_MPE 6
6cafa97d PDS	31	#define TEGRA_POWERGATE_HEG 7
	32	#define TEGRA_POWERGATE_SATA 8
	33	#define TEGRA_POWERGATE_CPU1 9
	34	#define TEGRA_POWERGATE_CPU2 10
	35	#define TEGRA_POWERGATE_CPU3 11
	36	#define TEGRA_POWERGATE_CELP 12
	37	#define TEGRA_POWERGATE_3D1 13
bd6a9ddc TR	38	#define TEGRA_POWERGATE_CPU0 14
	39	#define TEGRA_POWERGATE_C0NC 15
	40	#define TEGRA_POWERGATE_C1NC 16
	41	#define TEGRA_POWERGATE_DIS 18
	42	#define TEGRA_POWERGATE_DISB 19
	43	#define TEGRA_POWERGATE_XUSBA 20
	44	#define TEGRA_POWERGATE_XUSBB 21
	45	#define TEGRA_POWERGATE_XUSBC 22
6cafa97d	46
6cafa97d	47	#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D
ce1e3262	48
9886e1fd	49	#ifdef CONFIG_ARCH_TEGRA
6ac8cb5c	50	int tegra_powergate_is_powered(int id);
ce1e3262 CC	51	int tegra_powergate_power_on(int id);
ce1e3262 CC	52	int tegra_powergate_power_off(int id);
ce1e3262 CC	53	int tegra_powergate_remove_clamping(int id);
	54
	55	/* Must be called with clk disabled, and returns with clk enabled */
80b28791 SW	56	int tegra_powergate_sequence_power_up(int id, struct clk *clk,
80b28791 SW	57	struct reset_control *rst);
9886e1fd TR	58	#else
	59	static inline int tegra_powergate_is_powered(int id)
	60	{
	61	return -ENOSYS;
	62	}
	63
	64	static inline int tegra_powergate_power_on(int id)
	65	{
	66	return -ENOSYS;
	67	}
	68
	69	static inline int tegra_powergate_power_off(int id)
	70	{
	71	return -ENOSYS;
	72	}
	73
	74	static inline int tegra_powergate_remove_clamping(int id)
	75	{
	76	return -ENOSYS;
	77	}
	78
80b28791 SW	79	static inline int tegra_powergate_sequence_power_up(int id, struct clk *clk,
80b28791 SW	80	struct reset_control *rst);
9886e1fd TR	81	{
	82	return -ENOSYS;
	83	}
	84	#endif
ce1e3262 CC	85
ce1e3262 CC	86	#endif /* _MACH_TEGRA_POWERGATE_H_ */