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gpu: ipu-cpmem: Add ipu_cpmem_set_axi_id()

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Adds ipu_cpmem_set_axi_id() to set which AXI bus master the channel
will use to transfer data onto AXI bus.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Steve Longerbeam 2014-06-25 18:05:50 -07:00 committed by Philipp Zabel
parent 9b9da0be37
commit 555f0e6690
2 changed files with 8 additions and 0 deletions
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7
drivers/gpu/ipu-v3/ipu-cpmem.c
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@ -254,6 +254,13 @@ void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride)
};
EXPORT_SYMBOL_GPL(ipu_cpmem_interlaced_scan);
void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id)
{
id &= 0x3;
ipu_ch_param_write_field(ch, IPU_FIELD_ID, id);
}
EXPORT_SYMBOL_GPL(ipu_cpmem_set_axi_id);
void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize)
{
ipu_ch_param_write_field(ch, IPU_FIELD_NPB, burstsize - 1);

1
include/video/imx-ipu-v3.h
View File

@ -194,6 +194,7 @@ void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride);
void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id);
void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch);
int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,