1 /* 2 * dspioctl.h 3 * 4 * DSP-BIOS Bridge driver support functions for TI OMAP processors. 5 * 6 * Bridge driver BRD_IOCtl reserved command definitions. 7 * 8 * Copyright (C) 2005-2006 Texas Instruments, Inc. 9 * 10 * This package is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 as 12 * published by the Free Software Foundation. 13 * 14 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 17 */ 18 19 #ifndef DSPIOCTL_ 20 #define DSPIOCTL_ 21 22 /* ------------------------------------ Hardware Abstraction Layer */ 23 #include <hw_defs.h> 24 #include <hw_mmu.h> 25 26 /* 27 * Any IOCTLS at or above this value are reserved for standard Bridge driver 28 * interfaces. 29 */ 30 #define BRDIOCTL_RESERVEDBASE 0x8000 31 32 #define BRDIOCTL_CHNLREAD (BRDIOCTL_RESERVEDBASE + 0x10) 33 #define BRDIOCTL_CHNLWRITE (BRDIOCTL_RESERVEDBASE + 0x20) 34 /* DMMU */ 35 #define BRDIOCTL_SETMMUCONFIG (BRDIOCTL_RESERVEDBASE + 0x60) 36 /* PWR */ 37 #define BRDIOCTL_PWRCONTROL (BRDIOCTL_RESERVEDBASE + 0x70) 38 39 /* attention, modifiers: 40 * Some of these control enumerations are made visible to user for power 41 * control, so any changes to this list, should also be updated in the user 42 * header file 'dbdefs.h' ***/ 43 /* These ioctls are reserved for PWR power commands for the DSP */ 44 #define BRDIOCTL_DEEPSLEEP (BRDIOCTL_PWRCONTROL + 0x0) 45 #define BRDIOCTL_EMERGENCYSLEEP (BRDIOCTL_PWRCONTROL + 0x1) 46 #define BRDIOCTL_WAKEUP (BRDIOCTL_PWRCONTROL + 0x2) 47 #define BRDIOCTL_CLK_CTRL (BRDIOCTL_PWRCONTROL + 0x7) 48 /* DSP Initiated Hibernate */ 49 #define BRDIOCTL_PWR_HIBERNATE (BRDIOCTL_PWRCONTROL + 0x8) 50 #define BRDIOCTL_PRESCALE_NOTIFY (BRDIOCTL_PWRCONTROL + 0x9) 51 #define BRDIOCTL_POSTSCALE_NOTIFY (BRDIOCTL_PWRCONTROL + 0xA) 52 #define BRDIOCTL_CONSTRAINT_REQUEST (BRDIOCTL_PWRCONTROL + 0xB) 53 54 /* Number of actual DSP-MMU TLB entrries */ 55 #define BRDIOCTL_NUMOFMMUTLB 32 56 57 struct bridge_ioctl_extproc { 58 u32 dsp_va; /* DSP virtual address */ 59 u32 gpp_pa; /* GPP physical address */ 60 /* GPP virtual address. __va does not work for ioremapped addresses */ 61 u32 gpp_va; 62 u32 size; /* Size of the mapped memory in bytes */ 63 enum hw_endianism_t endianism; 64 enum hw_mmu_mixed_size_t mixed_mode; 65 enum hw_element_size_t elem_size; 66 }; 67 68 #endif /* DSPIOCTL_ */ 69