diff options
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/rmm.h')
| -rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/rmm.h | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/rmm.h b/drivers/staging/tidspbridge/include/dspbridge/rmm.h deleted file mode 100644 index f7a4dc8ecb4f..000000000000 --- a/drivers/staging/tidspbridge/include/dspbridge/rmm.h +++ /dev/null @@ -1,156 +0,0 @@ -/* - * rmm.h - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * This memory manager provides general heap management and arbitrary - * alignment for any number of memory segments, and management of overlay - * memory. - * - * 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 RMM_ -#define RMM_ - -/* - * ======== rmm_addr ======== - * DSP address + segid - */ -struct rmm_addr { - u32 addr; - s32 segid; -}; - -/* - * ======== rmm_segment ======== - * Memory segment on the DSP available for remote allocations. - */ -struct rmm_segment { - u32 base; /* Base of the segment */ - u32 length; /* Size of the segment (target MAUs) */ - s32 space; /* Code or data */ - u32 number; /* Number of Allocated Blocks */ -}; - -/* - * ======== RMM_Target ======== - */ -struct rmm_target_obj; - -/* - * ======== rmm_alloc ======== - * - * rmm_alloc is used to remotely allocate or reserve memory on the DSP. - * - * Parameters: - * target - Target returned from rmm_create(). - * segid - Memory segment to allocate from. - * size - Size (target MAUS) to allocate. - * align - alignment. - * dsp_address - If reserve is FALSE, the location to store allocated - * address on output, otherwise, the DSP address to - * reserve. - * reserve - If TRUE, reserve the memory specified by dsp_address. - * Returns: - * 0: Success. - * -ENOMEM: Memory allocation on GPP failed. - * -ENXIO: Cannot "allocate" overlay memory because it's - * already in use. - * Requires: - * RMM initialized. - * Valid target. - * dsp_address != NULL. - * size > 0 - * reserve || target->num_segs > 0. - * Ensures: - */ -extern int rmm_alloc(struct rmm_target_obj *target, u32 segid, u32 size, - u32 align, u32 *dsp_address, bool reserve); - -/* - * ======== rmm_create ======== - * Create a target object with memory segments for remote allocation. If - * seg_tab == NULL or num_segs == 0, memory can only be reserved through - * rmm_alloc(). - * - * Parameters: - * target_obj: - Location to store target on output. - * seg_tab: - Table of memory segments. - * num_segs: - Number of memory segments. - * Returns: - * 0: Success. - * -ENOMEM: Memory allocation failed. - * Requires: - * RMM initialized. - * target_obj != NULL. - * num_segs == 0 || seg_tab != NULL. - * Ensures: - * Success: Valid *target_obj. - * Failure: *target_obj == NULL. - */ -extern int rmm_create(struct rmm_target_obj **target_obj, - struct rmm_segment seg_tab[], u32 num_segs); - -/* - * ======== rmm_delete ======== - * Delete target allocated in rmm_create(). - * - * Parameters: - * target - Target returned from rmm_create(). - * Returns: - * Requires: - * RMM initialized. - * Valid target. - * Ensures: - */ -extern void rmm_delete(struct rmm_target_obj *target); - -/* - * ======== rmm_free ======== - * Free or unreserve memory allocated through rmm_alloc(). - * - * Parameters: - * target: - Target returned from rmm_create(). - * segid: - Segment of memory to free. - * dsp_address: - Address to free or unreserve. - * size: - Size of memory to free or unreserve. - * reserved: - TRUE if memory was reserved only, otherwise FALSE. - * Returns: - * Requires: - * RMM initialized. - * Valid target. - * reserved || segid < target->num_segs. - * reserve || [dsp_address, dsp_address + size] is a valid memory range. - * Ensures: - */ -extern bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, - u32 size, bool reserved); - -/* - * ======== rmm_stat ======== - * Obtain memory segment status - * - * Parameters: - * segid: Segment ID of the dynamic loading segment. - * mem_stat_buf: Pointer to allocated buffer into which memory stats are - * placed. - * Returns: - * TRUE: Success. - * FALSE: Failure. - * Requires: - * segid < target->num_segs - * Ensures: - */ -extern bool rmm_stat(struct rmm_target_obj *target, enum dsp_memtype segid, - struct dsp_memstat *mem_stat_buf); - -#endif /* RMM_ */ |