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imx233: implement dcp blitting, simplify code and make it work even in context interrupt by busy waiting

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Change-Id: Ife949e13e3e04a56a2b5bc554eb46c726e719712
This commit is contained in:
Amaury Pouly 2012-01-27 19:47:47 +01:00
parent 900b494a27
commit bf47e577aa
2 changed files with 80 additions and 21 deletions
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8
firmware/target/arm/imx233/dcp-imx233.h
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@ -295,6 +295,7 @@ struct imx233_dcp_channel_info_t
bool ready;
int sema;
uint32_t cmdptr;
bool acquired;
};
struct imx233_dcp_csc_info_t
@ -355,8 +356,11 @@ void imx233_dcp_release_channel(int chan);
// doesn't check that channel is in use!
void imx233_dcp_reserve_channel(int channel);
enum imx233_dcp_error_t imx233_dcp_memcpy_ex(int channel, void *src, void *dst, size_t len);
enum imx233_dcp_error_t imx233_dcp_memcpy(void *src, void *dst, size_t len, int tmo);
enum imx233_dcp_error_t imx233_dcp_memcpy_ex(int channel, bool fill, const void *src, void *dst, size_t len);
enum imx233_dcp_error_t imx233_dcp_memcpy(bool fill, const void *src, void *dst, size_t len, int tmo);
enum imx233_dcp_error_t imx233_dcp_blit_ex(int channel, bool fill, const void *src, size_t w, size_t h, void *dst, size_t out_w);
enum imx233_dcp_error_t imx233_dcp_blit(bool fill, const void *src, size_t w, size_t h, void *dst, size_t out_w, int tmo);
struct imx233_dcp_info_t imx233_dcp_get_info(unsigned flags);