arch/arm/mach-omap1/pm.h - linux - Git at Google

 /*
  * arch/arm/mach-omap1/pm.h
  *
  * Header file for OMAP1 Power Management Routines
  *
  * Author: MontaVista Software, Inc.
  *	   support@mvista.com
  *
  * Copyright 2002 MontaVista Software Inc.
  *
  * Cleanup 2004 for Linux 2.6 by Dirk Behme <dirk.behme@de.bosch.com>
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
  * Free Software Foundation; either version 2 of the License, or (at your
  * option) any later version.
  *
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */

 #ifndef __ARCH_ARM_MACH_OMAP1_PM_H
 #define __ARCH_ARM_MACH_OMAP1_PM_H

 #include <linux/soc/ti/omap1-io.h>

 /*
  * ----------------------------------------------------------------------------
  * Register and offset definitions to be used in PM assembler code
  * ----------------------------------------------------------------------------
  */
 #define CLKGEN_REG_ASM_BASE		OMAP1_IO_ADDRESS(0xfffece00)
 #define ARM_IDLECT1_ASM_OFFSET		0x04
 #define ARM_IDLECT2_ASM_OFFSET		0x08

 #define TCMIF_ASM_BASE			OMAP1_IO_ADDRESS(0xfffecc00)
 #define EMIFS_CONFIG_ASM_OFFSET		0x0c
 #define EMIFF_SDRAM_CONFIG_ASM_OFFSET	0x20

 /*
  * ----------------------------------------------------------------------------
  * Power management bitmasks
  * ----------------------------------------------------------------------------
  */
 #define IDLE_WAIT_CYCLES		0x00000fff
 #define PERIPHERAL_ENABLE		0x2

 #define SELF_REFRESH_MODE		0x0c000001
 #define IDLE_EMIFS_REQUEST		0xc
 #define MODEM_32K_EN			0x1
 #define PER_EN				0x1

 #define CPU_SUSPEND_SIZE		200
 #define ULPD_LOW_PWR_EN			0x0001
 #define ULPD_DEEP_SLEEP_TRANSITION_EN	0x0010
 #define ULPD_SETUP_ANALOG_CELL_3_VAL	0
 #define ULPD_POWER_CTRL_REG_VAL		0x0219

 #define DSP_IDLE_DELAY			10
 #define DSP_IDLE			0x0040
 #define DSP_RST				0x0004
 #define DSP_ENABLE			0x0002
 #define SUFFICIENT_DSP_RESET_TIME	1000
 #define DEFAULT_MPUI_CONFIG		0x05cf
 #define ENABLE_XORCLK			0x2
 #define DSP_CLOCK_ENABLE		0x2000
 #define DSP_IDLE_MODE			0x2
 #define TC_IDLE_REQUEST			(0x0000000c)

 #define IRQ_LEVEL2			(1<<0)
 #define IRQ_KEYBOARD			(1<<1)
 #define IRQ_UART2			(1<<15)

 #define PDE_BIT				0x08
 #define PWD_EN_BIT			0x04
 #define EN_PERCK_BIT			0x04

 #define OMAP1510_DEEP_SLEEP_REQUEST	0x0ec7
 #define OMAP1510_BIG_SLEEP_REQUEST	0x0cc5
 #define OMAP1510_IDLE_LOOP_REQUEST	0x0c00
 #define OMAP1510_IDLE_CLOCK_DOMAINS	0x2

 /* Both big sleep and deep sleep use same values. Difference is in ULPD. */
 #define OMAP1610_IDLECT1_SLEEP_VAL	0x13c7
 #define OMAP1610_IDLECT2_SLEEP_VAL	0x09c7
 #define OMAP1610_IDLECT3_VAL		0x3f
 #define OMAP1610_IDLECT3_SLEEP_ORMASK	0x2c
 #define OMAP1610_IDLECT3		0xfffece24
 #define OMAP1610_IDLE_LOOP_REQUEST	0x0400

 #ifndef __ASSEMBLER__

 #include <linux/clk.h>

 extern struct kset power_subsys;

 extern void prevent_idle_sleep(void);
 extern void allow_idle_sleep(void);

 extern void omap1_pm_idle(void);
 extern void omap1_pm_suspend(void);

 extern void omap1510_cpu_suspend(unsigned long, unsigned long);
 extern void omap1610_cpu_suspend(unsigned long, unsigned long);

 extern unsigned int omap1510_cpu_suspend_sz;
 extern unsigned int omap1610_cpu_suspend_sz;

 #ifdef CONFIG_OMAP_SERIAL_WAKE
 extern void omap_serial_wake_trigger(int enable);
 #else
 #define omap_serial_wakeup_init()	{}
 #define omap_serial_wake_trigger(x)	{}
 #endif	/* CONFIG_OMAP_SERIAL_WAKE */

 #define ARM_SAVE(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] = omap_readl(x)
 #define ARM_RESTORE(x) omap_writel((arm_sleep_save[ARM_SLEEP_SAVE_##x]), (x))
 #define ARM_SHOW(x) arm_sleep_save[ARM_SLEEP_SAVE_##x]

 #define DSP_SAVE(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x] = __raw_readw(x)
 #define DSP_RESTORE(x) __raw_writew((dsp_sleep_save[DSP_SLEEP_SAVE_##x]), (x))
 #define DSP_SHOW(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x]

 #define ULPD_SAVE(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] = omap_readw(x)
 #define ULPD_RESTORE(x) omap_writew((ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]), (x))
 #define ULPD_SHOW(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]

 #define MPUI1510_SAVE(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] = omap_readl(x)
 #define MPUI1510_RESTORE(x) omap_writel((mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]), (x))
 #define MPUI1510_SHOW(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]

 #define MPUI1610_SAVE(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] = omap_readl(x)
 #define MPUI1610_RESTORE(x) omap_writel((mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]), (x))
 #define MPUI1610_SHOW(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]

 /*
  * List of global OMAP registers to preserve.
  * More ones like CP and general purpose register values are preserved
  * with the stack pointer in sleep.S.
  */

 enum arm_save_state {
 	ARM_SLEEP_SAVE_START = 0,
 	/*
 	 * MPU control registers 32 bits
 	 */
 	ARM_SLEEP_SAVE_ARM_CKCTL,
 	ARM_SLEEP_SAVE_ARM_IDLECT1,
 	ARM_SLEEP_SAVE_ARM_IDLECT2,
 	ARM_SLEEP_SAVE_ARM_IDLECT3,
 	ARM_SLEEP_SAVE_ARM_EWUPCT,
 	ARM_SLEEP_SAVE_ARM_RSTCT1,
 	ARM_SLEEP_SAVE_ARM_RSTCT2,
 	ARM_SLEEP_SAVE_ARM_SYSST,
 	ARM_SLEEP_SAVE_SIZE
 };

 enum dsp_save_state {
 	DSP_SLEEP_SAVE_START = 0,
 	/*
 	 * DSP registers 16 bits
 	 */
 	DSP_SLEEP_SAVE_DSP_IDLECT2,
 	DSP_SLEEP_SAVE_SIZE
 };

 enum ulpd_save_state {
 	ULPD_SLEEP_SAVE_START = 0,
 	/*
 	 * ULPD registers 16 bits
 	 */
 	ULPD_SLEEP_SAVE_ULPD_IT_STATUS,
 	ULPD_SLEEP_SAVE_ULPD_CLOCK_CTRL,
 	ULPD_SLEEP_SAVE_ULPD_SOFT_REQ,
 	ULPD_SLEEP_SAVE_ULPD_STATUS_REQ,
 	ULPD_SLEEP_SAVE_ULPD_DPLL_CTRL,
 	ULPD_SLEEP_SAVE_ULPD_POWER_CTRL,
 	ULPD_SLEEP_SAVE_SIZE
 };

 enum mpui1510_save_state {
 	MPUI1510_SLEEP_SAVE_START = 0,
 	/*
 	 * MPUI registers 32 bits
 	 */
 	MPUI1510_SLEEP_SAVE_MPUI_CTRL,
 	MPUI1510_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
 	MPUI1510_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
 	MPUI1510_SLEEP_SAVE_MPUI_DSP_STATUS,
 	MPUI1510_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
 	MPUI1510_SLEEP_SAVE_EMIFS_CONFIG,
 	MPUI1510_SLEEP_SAVE_OMAP_IH1_MIR,
 	MPUI1510_SLEEP_SAVE_OMAP_IH2_MIR,
 #if defined(CONFIG_ARCH_OMAP15XX)
 	MPUI1510_SLEEP_SAVE_SIZE
 #else
 	MPUI1510_SLEEP_SAVE_SIZE = 0
 #endif
 };

 enum mpui1610_save_state {
 	MPUI1610_SLEEP_SAVE_START = 0,
 	/*
 	 * MPUI registers 32 bits
 	 */
 	MPUI1610_SLEEP_SAVE_MPUI_CTRL,
 	MPUI1610_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
 	MPUI1610_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
 	MPUI1610_SLEEP_SAVE_MPUI_DSP_STATUS,
 	MPUI1610_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
 	MPUI1610_SLEEP_SAVE_EMIFS_CONFIG,
 	MPUI1610_SLEEP_SAVE_OMAP_IH1_MIR,
 	MPUI1610_SLEEP_SAVE_OMAP_IH2_0_MIR,
 	MPUI1610_SLEEP_SAVE_OMAP_IH2_1_MIR,
 	MPUI1610_SLEEP_SAVE_OMAP_IH2_2_MIR,
 	MPUI1610_SLEEP_SAVE_OMAP_IH2_3_MIR,
 #if defined(CONFIG_ARCH_OMAP16XX)
 	MPUI1610_SLEEP_SAVE_SIZE
 #else
 	MPUI1610_SLEEP_SAVE_SIZE = 0
 #endif
 };

 #endif /* ASSEMBLER */
 #endif /* __ASM_ARCH_OMAP_PM_H */
	/*
	* arch/arm/mach-omap1/pm.h
	*
	* Header file for OMAP1 Power Management Routines
	*
	* Author: MontaVista Software, Inc.
	* support@mvista.com
	*
	* Copyright 2002 MontaVista Software Inc.
	*
	* Cleanup 2004 for Linux 2.6 by Dirk Behme <dirk.behme@de.bosch.com>
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License as published by the
	* Free Software Foundation; either version 2 of the License, or (at your
	* option) any later version.
	*
	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
	* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*
	* You should have received a copy of the GNU General Public License along
	* with this program; if not, write to the Free Software Foundation, Inc.,
	* 675 Mass Ave, Cambridge, MA 02139, USA.
	*/

	#ifndef __ARCH_ARM_MACH_OMAP1_PM_H
	#define __ARCH_ARM_MACH_OMAP1_PM_H

	#include <linux/soc/ti/omap1-io.h>

	/*
	* ----------------------------------------------------------------------------
	* Register and offset definitions to be used in PM assembler code
	* ----------------------------------------------------------------------------
	*/
	#define CLKGEN_REG_ASM_BASE OMAP1_IO_ADDRESS(0xfffece00)
	#define ARM_IDLECT1_ASM_OFFSET 0x04
	#define ARM_IDLECT2_ASM_OFFSET 0x08

	#define TCMIF_ASM_BASE OMAP1_IO_ADDRESS(0xfffecc00)
	#define EMIFS_CONFIG_ASM_OFFSET 0x0c
	#define EMIFF_SDRAM_CONFIG_ASM_OFFSET 0x20

	/*
	* ----------------------------------------------------------------------------
	* Power management bitmasks
	* ----------------------------------------------------------------------------
	*/
	#define IDLE_WAIT_CYCLES 0x00000fff
	#define PERIPHERAL_ENABLE 0x2

	#define SELF_REFRESH_MODE 0x0c000001
	#define IDLE_EMIFS_REQUEST 0xc
	#define MODEM_32K_EN 0x1
	#define PER_EN 0x1

	#define CPU_SUSPEND_SIZE 200
	#define ULPD_LOW_PWR_EN 0x0001
	#define ULPD_DEEP_SLEEP_TRANSITION_EN 0x0010
	#define ULPD_SETUP_ANALOG_CELL_3_VAL 0
	#define ULPD_POWER_CTRL_REG_VAL 0x0219

	#define DSP_IDLE_DELAY 10
	#define DSP_IDLE 0x0040
	#define DSP_RST 0x0004
	#define DSP_ENABLE 0x0002
	#define SUFFICIENT_DSP_RESET_TIME 1000
	#define DEFAULT_MPUI_CONFIG 0x05cf
	#define ENABLE_XORCLK 0x2
	#define DSP_CLOCK_ENABLE 0x2000
	#define DSP_IDLE_MODE 0x2
	#define TC_IDLE_REQUEST (0x0000000c)

	#define IRQ_LEVEL2 (1<<0)
	#define IRQ_KEYBOARD (1<<1)
	#define IRQ_UART2 (1<<15)

	#define PDE_BIT 0x08
	#define PWD_EN_BIT 0x04
	#define EN_PERCK_BIT 0x04

	#define OMAP1510_DEEP_SLEEP_REQUEST 0x0ec7
	#define OMAP1510_BIG_SLEEP_REQUEST 0x0cc5
	#define OMAP1510_IDLE_LOOP_REQUEST 0x0c00
	#define OMAP1510_IDLE_CLOCK_DOMAINS 0x2

	/* Both big sleep and deep sleep use same values. Difference is in ULPD. */
	#define OMAP1610_IDLECT1_SLEEP_VAL 0x13c7
	#define OMAP1610_IDLECT2_SLEEP_VAL 0x09c7
	#define OMAP1610_IDLECT3_VAL 0x3f
	#define OMAP1610_IDLECT3_SLEEP_ORMASK 0x2c
	#define OMAP1610_IDLECT3 0xfffece24
	#define OMAP1610_IDLE_LOOP_REQUEST 0x0400

	#ifndef __ASSEMBLER__

	#include <linux/clk.h>

	extern struct kset power_subsys;

	extern void prevent_idle_sleep(void);
	extern void allow_idle_sleep(void);

	extern void omap1_pm_idle(void);
	extern void omap1_pm_suspend(void);

	extern void omap1510_cpu_suspend(unsigned long, unsigned long);
	extern void omap1610_cpu_suspend(unsigned long, unsigned long);

	extern unsigned int omap1510_cpu_suspend_sz;
	extern unsigned int omap1610_cpu_suspend_sz;

	#ifdef CONFIG_OMAP_SERIAL_WAKE
	extern void omap_serial_wake_trigger(int enable);
	#else
	#define omap_serial_wakeup_init() {}
	#define omap_serial_wake_trigger(x) {}
	#endif /* CONFIG_OMAP_SERIAL_WAKE */

	#define ARM_SAVE(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] = omap_readl(x)
	#define ARM_RESTORE(x) omap_writel((arm_sleep_save[ARM_SLEEP_SAVE_##x]), (x))
	#define ARM_SHOW(x) arm_sleep_save[ARM_SLEEP_SAVE_##x]

	#define DSP_SAVE(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x] = __raw_readw(x)
	#define DSP_RESTORE(x) __raw_writew((dsp_sleep_save[DSP_SLEEP_SAVE_##x]), (x))
	#define DSP_SHOW(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x]

	#define ULPD_SAVE(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] = omap_readw(x)
	#define ULPD_RESTORE(x) omap_writew((ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]), (x))
	#define ULPD_SHOW(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]

	#define MPUI1510_SAVE(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] = omap_readl(x)
	#define MPUI1510_RESTORE(x) omap_writel((mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]), (x))
	#define MPUI1510_SHOW(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]

	#define MPUI1610_SAVE(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] = omap_readl(x)
	#define MPUI1610_RESTORE(x) omap_writel((mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]), (x))
	#define MPUI1610_SHOW(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]

	/*
	* List of global OMAP registers to preserve.
	* More ones like CP and general purpose register values are preserved
	* with the stack pointer in sleep.S.
	*/

	enum arm_save_state {
	ARM_SLEEP_SAVE_START = 0,
	/*
	* MPU control registers 32 bits
	*/
	ARM_SLEEP_SAVE_ARM_CKCTL,
	ARM_SLEEP_SAVE_ARM_IDLECT1,
	ARM_SLEEP_SAVE_ARM_IDLECT2,
	ARM_SLEEP_SAVE_ARM_IDLECT3,
	ARM_SLEEP_SAVE_ARM_EWUPCT,
	ARM_SLEEP_SAVE_ARM_RSTCT1,
	ARM_SLEEP_SAVE_ARM_RSTCT2,
	ARM_SLEEP_SAVE_ARM_SYSST,
	ARM_SLEEP_SAVE_SIZE
	};

	enum dsp_save_state {
	DSP_SLEEP_SAVE_START = 0,
	/*
	* DSP registers 16 bits
	*/
	DSP_SLEEP_SAVE_DSP_IDLECT2,
	DSP_SLEEP_SAVE_SIZE
	};

	enum ulpd_save_state {
	ULPD_SLEEP_SAVE_START = 0,
	/*
	* ULPD registers 16 bits
	*/
	ULPD_SLEEP_SAVE_ULPD_IT_STATUS,
	ULPD_SLEEP_SAVE_ULPD_CLOCK_CTRL,
	ULPD_SLEEP_SAVE_ULPD_SOFT_REQ,
	ULPD_SLEEP_SAVE_ULPD_STATUS_REQ,
	ULPD_SLEEP_SAVE_ULPD_DPLL_CTRL,
	ULPD_SLEEP_SAVE_ULPD_POWER_CTRL,
	ULPD_SLEEP_SAVE_SIZE
	};

	enum mpui1510_save_state {
	MPUI1510_SLEEP_SAVE_START = 0,
	/*
	* MPUI registers 32 bits
	*/
	MPUI1510_SLEEP_SAVE_MPUI_CTRL,
	MPUI1510_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
	MPUI1510_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
	MPUI1510_SLEEP_SAVE_MPUI_DSP_STATUS,
	MPUI1510_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
	MPUI1510_SLEEP_SAVE_EMIFS_CONFIG,
	MPUI1510_SLEEP_SAVE_OMAP_IH1_MIR,
	MPUI1510_SLEEP_SAVE_OMAP_IH2_MIR,
	#if defined(CONFIG_ARCH_OMAP15XX)
	MPUI1510_SLEEP_SAVE_SIZE
	#else
	MPUI1510_SLEEP_SAVE_SIZE = 0
	#endif
	};

	enum mpui1610_save_state {
	MPUI1610_SLEEP_SAVE_START = 0,
	/*
	* MPUI registers 32 bits
	*/
	MPUI1610_SLEEP_SAVE_MPUI_CTRL,
	MPUI1610_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
	MPUI1610_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
	MPUI1610_SLEEP_SAVE_MPUI_DSP_STATUS,
	MPUI1610_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
	MPUI1610_SLEEP_SAVE_EMIFS_CONFIG,
	MPUI1610_SLEEP_SAVE_OMAP_IH1_MIR,
	MPUI1610_SLEEP_SAVE_OMAP_IH2_0_MIR,
	MPUI1610_SLEEP_SAVE_OMAP_IH2_1_MIR,
	MPUI1610_SLEEP_SAVE_OMAP_IH2_2_MIR,
	MPUI1610_SLEEP_SAVE_OMAP_IH2_3_MIR,
	#if defined(CONFIG_ARCH_OMAP16XX)
	MPUI1610_SLEEP_SAVE_SIZE
	#else
	MPUI1610_SLEEP_SAVE_SIZE = 0
	#endif
	};

	#endif /* ASSEMBLER */
	#endif /* __ASM_ARCH_OMAP_PM_H */