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

Change-Id: Ife949e13e3e04a56a2b5bc554eb46c726e719712

1 files changed, 6 insertions, 2 deletions

diff --git a/firmware/target/arm/imx233/dcp-imx233.h b/firmware/target/arm/imx233/dcp-imx233.h
index 375da16c04..b8340fb4f0 100644
--- a/firmware/target/arm/imx233/dcp-imx233.h
+++ b/firmware/target/arm/imx233/dcp-imx233.h
@@ -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);