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Commit f8e846cf authored by Jishnu Prakash's avatar Jishnu Prakash
Browse files

dmaengine: gpi: Add support for 32-bit kernel 



Add new macros for GPI driver for 32-bit builds as
existing macros to obtain memory address will not work
for 32-bit builds.

CRs-Fixed: 2155696
Change-Id: I54a3b091bdaa6131c8a9bf89a0746cef065dbaa3
Signed-off-by: default avatarJishnu Prakash <jprakash@codeaurora.org>
parent c1c8fe5e

include/linux/msm_gpi.h

+16 −0
Original line number Diff line number Diff line
@@ -35,8 +35,14 @@ enum msm_gpi_tre_type { 
#define MSM_GPI_TRE_TYPE(tre) ((tre->dword[3] >> 16) & 0xFF)



/* DMA w. Buffer TRE */

#ifdef CONFIG_ARM64

#define MSM_GPI_DMA_W_BUFFER_TRE_DWORD0(ptr) ((u32)ptr)

#define MSM_GPI_DMA_W_BUFFER_TRE_DWORD1(ptr) ((u32)(ptr >> 32))

#else

#define MSM_GPI_DMA_W_BUFFER_TRE_DWORD0(ptr) (ptr)

#define MSM_GPI_DMA_W_BUFFER_TRE_DWORD1(ptr) 0

#endif



#define MSM_GPI_DMA_W_BUFFER_TRE_DWORD2(length) (length & 0xFFFFFF)

#define MSM_GPI_DMA_W_BUFFER_TRE_DWORD3(bei, ieot, ieob, ch) ((0x1 << 20) | \

	(0x0 << 16) | (bei << 10) | (ieot << 9) | (ieob << 8) | ch)
@@ -55,15 +61,25 @@ enum msm_gpi_tre_type { 
#define MSM_GPI_DMA_IMMEDIATE_TRE_GET_LEN(tre) (tre->dword[2] & 0xF)



/* DMA w. Scatter/Gather List TRE */

#ifdef CONFIG_ARM64

#define MSM_GPI_SG_LIST_TRE_DWORD0(ptr) ((u32)ptr)

#define MSM_GPI_SG_LIST_TRE_DWORD1(ptr) ((u32)(ptr >> 32))

#else

#define MSM_GPI_SG_LIST_TRE_DWORD0(ptr) (ptr)

#define MSM_GPI_SG_LIST_TRE_DWORD1(ptr) 0

#endif

#define MSM_GPI_SG_LIST_TRE_DWORD2(length) (length & 0xFFFF)

#define MSM_GPI_SG_LIST_TRE_DWORD3(bei, ieot, ieob, ch) ((0x1 << 20) | \

	(0x2 << 16) | (bei << 10) | (ieot << 9) | (ieob << 8) | ch)



/* SG Element */

#ifdef CONFIG_ARM64

#define MSM_GPI_SG_ELEMENT_DWORD0(ptr) ((u32)ptr)

#define MSM_GPI_SG_ELEMENT_DWORD1(ptr) ((u32)(ptr >> 32))

#else

#define MSM_GPI_SG_ELEMENT_DWORD0(ptr) (ptr)

#define MSM_GPI_SG_ELEMENT_DWORD1(ptr) 0

#endif

#define MSM_GSI_SG_ELEMENT_DWORD2(length) (length & 0xFFFFF)

#define MSM_GSI_SG_ELEMENT_DWORD3 (0)