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| author | Felipe Contreras <felipe.contreras@gmail.com> | 2010-11-10 21:10:20 +0300 |
|---|---|---|
| committer | Omar Ramirez Luna <omar.ramirez@ti.com> | 2010-11-11 03:34:43 +0300 |
| commit | f5bd96bbe320b9fe1c8132a1633e8582cd9d6245 (patch) | |
| tree | 806f49035a0803211aa4c2daa910d2f412ff35c8 /drivers/staging/tidspbridge/core/_tiomap.h | |
| parent | 9d4f81a722863c42472541cb71981d09613775b3 (diff) | |
| download | linux-f5bd96bbe320b9fe1c8132a1633e8582cd9d6245.tar.xz | |
Revert "staging: tidspbridge - move all iommu related code to a new file"
This reverts commit f94378f9f9a897fc08e9d12733401ae52466e408.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Diffstat (limited to 'drivers/staging/tidspbridge/core/_tiomap.h')
| -rw-r--r-- | drivers/staging/tidspbridge/core/_tiomap.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/staging/tidspbridge/core/_tiomap.h b/drivers/staging/tidspbridge/core/_tiomap.h index e0a801c1cb98..cd7ff8810a0b 100644 --- a/drivers/staging/tidspbridge/core/_tiomap.h +++ b/drivers/staging/tidspbridge/core/_tiomap.h @@ -23,7 +23,8 @@ #include <plat/clockdomain.h> #include <mach-omap2/prm-regbits-34xx.h> #include <mach-omap2/cm-regbits-34xx.h> -#include <dspbridge/dsp-mmu.h> +#include <plat/iommu.h> +#include <plat/iovmm.h> #include <dspbridge/devdefs.h> #include <dspbridge/dspioctl.h> /* for bridge_ioctl_extproc defn */ #include <dspbridge/sync.h> @@ -379,4 +380,28 @@ extern s32 dsp_debug; */ int sm_interrupt_dsp(struct bridge_dev_context *dev_context, u16 mb_val); +/** + * user_to_dsp_map() - maps user to dsp virtual address + * @mmu: Pointer to iommu handle. + * @uva: Virtual user space address. + * @da DSP address + * @size Buffer size to map. + * @usr_pgs struct page array pointer where the user pages will be stored + * + * This function maps a user space buffer into DSP virtual address. + * + */ +u32 user_to_dsp_map(struct iommu *mmu, u32 uva, u32 da, u32 size, + struct page **usr_pgs); + +/** + * user_to_dsp_unmap() - unmaps DSP virtual buffer. + * @mmu: Pointer to iommu handle. + * @da DSP address + * + * This function unmaps a user space buffer into DSP virtual address. + * + */ +int user_to_dsp_unmap(struct iommu *mmu, u32 da); + #endif /* _TIOMAP_ */ |