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/*
* dspioctl.h
*
* DSP-BIOS Bridge driver support functions for TI OMAP processors.
*
* Bridge driver BRD_IOCtl reserved command definitions.
*
* Copyright (C) 2005-2006 Texas Instruments, Inc.
*
* This package is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef DSPIOCTL_
#define DSPIOCTL_
/* ------------------------------------ Hardware Abstraction Layer */
#include <hw_defs.h>
#include <hw_mmu.h>
/*
* Any IOCTLS at or above this value are reserved for standard Bridge driver
* interfaces.
*/
#define BRDIOCTL_RESERVEDBASE 0x8000
#define BRDIOCTL_CHNLREAD (BRDIOCTL_RESERVEDBASE + 0x10)
#define BRDIOCTL_CHNLWRITE (BRDIOCTL_RESERVEDBASE + 0x20)
/* DMMU */
#define BRDIOCTL_SETMMUCONFIG (BRDIOCTL_RESERVEDBASE + 0x60)
/* PWR */
#define BRDIOCTL_PWRCONTROL (BRDIOCTL_RESERVEDBASE + 0x70)
/* attention, modifiers:
* Some of these control enumerations are made visible to user for power
* control, so any changes to this list, should also be updated in the user
* header file 'dbdefs.h' ***/
/* These ioctls are reserved for PWR power commands for the DSP */
#define BRDIOCTL_DEEPSLEEP (BRDIOCTL_PWRCONTROL + 0x0)
#define BRDIOCTL_EMERGENCYSLEEP (BRDIOCTL_PWRCONTROL + 0x1)
#define BRDIOCTL_WAKEUP (BRDIOCTL_PWRCONTROL + 0x2)
#define BRDIOCTL_CLK_CTRL (BRDIOCTL_PWRCONTROL + 0x7)
/* DSP Initiated Hibernate */
#define BRDIOCTL_PWR_HIBERNATE (BRDIOCTL_PWRCONTROL + 0x8)
#define BRDIOCTL_PRESCALE_NOTIFY (BRDIOCTL_PWRCONTROL + 0x9)
#define BRDIOCTL_POSTSCALE_NOTIFY (BRDIOCTL_PWRCONTROL + 0xA)
#define BRDIOCTL_CONSTRAINT_REQUEST (BRDIOCTL_PWRCONTROL + 0xB)
/* Number of actual DSP-MMU TLB entrries */
#define BRDIOCTL_NUMOFMMUTLB 32
struct bridge_ioctl_extproc {
u32 dsp_va; /* DSP virtual address */
u32 gpp_pa; /* GPP physical address */
/* GPP virtual address. __va does not work for ioremapped addresses */
u32 gpp_va;
u32 ul_size; /* Size of the mapped memory in bytes */
enum hw_endianism_t endianism;
enum hw_mmu_mixed_size_t mixed_mode;
enum hw_element_size_t elem_size;
};
#endif /* DSPIOCTL_ */
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