diff options
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/dspioctl.h')
| -rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/dspioctl.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h new file mode 100644 index 000000000000..41e0594dff34 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h @@ -0,0 +1,73 @@ +/* + * 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) +#define BRDIOCTL_GETINTRCOUNT (BRDIOCTL_RESERVEDBASE + 0x30) +#define BRDIOCTL_RESETINTRCOUNT (BRDIOCTL_RESERVEDBASE + 0x40) +#define BRDIOCTL_INTERRUPTDSP (BRDIOCTL_RESERVEDBASE + 0x50) +/* 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_PWRENABLE (BRDIOCTL_PWRCONTROL + 0x3) +#define BRDIOCTL_PWRDISABLE (BRDIOCTL_PWRCONTROL + 0x4) +#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 ul_dsp_va; /* DSP virtual address */ + u32 ul_gpp_pa; /* GPP physical address */ + /* GPP virtual address. __va does not work for ioremapped addresses */ + u32 ul_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_ */ |