dspioctl.h

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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 entries */
#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 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_ */