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Viewing changes to drivers/media/video/tiler/tmm.h

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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Lines of Context:
drivers/media/video/tiler/tmm.h
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        /* function table */
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        u32 *(*get)     (struct tmm *tmm, u32 num_pages);
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        void (*free)    (struct tmm *tmm, u32 *pages);
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        s32  (*map)     (struct tmm *tmm, struct pat_area area, u32 page_pa);
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        void (*clear)   (struct tmm *tmm, struct pat_area area);
 
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        s32  (*pin)     (struct tmm *tmm, struct pat_area area, u32 page_pa);
 
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        void (*unpin)   (struct tmm *tmm, struct pat_area area);
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        void (*deinit)  (struct tmm *tmm);
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};
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 * @param list of pages
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 */
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static inline
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s32 tmm_map(struct tmm *tmm, struct pat_area area, u32 page_pa)
 
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s32 tmm_pin(struct tmm *tmm, struct pat_area area, u32 page_pa)
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{
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        if (tmm && tmm->map && tmm->pvt)
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                return tmm->map(tmm, area, page_pa);
 
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        if (tmm && tmm->pin && tmm->pvt)
 
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                return tmm->pin(tmm, area, page_pa);
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        return -ENODEV;
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}
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 * @param area PAT area
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 */
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static inline
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void tmm_clear(struct tmm *tmm, struct pat_area area)
 
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void tmm_unpin(struct tmm *tmm, struct pat_area area)
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{
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        if (tmm && tmm->clear && tmm->pvt)
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                tmm->clear(tmm, area);
 
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        if (tmm && tmm->unpin && tmm->pvt)
 
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                tmm->unpin(tmm, area);
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}
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/**
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 * Checks whether tiler memory manager supports mapping
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 */
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static inline
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bool tmm_can_map(struct tmm *tmm)
 
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bool tmm_can_pin(struct tmm *tmm)
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{
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        return tmm && tmm->map;
 
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        return tmm && tmm->pin;
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}
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/**
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 *
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 * Initialize TMM for PAT with given id.
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 */
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struct tmm *tmm_pat_init(u32 pat_id);
 
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struct tmm *tmm_pat_init(u32 pat_id, u32 *dmac_va, u32 dmac_pa);
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#endif