From 555f0e6690a41245518003c02a1ecb84e4a69281 Mon Sep 17 00:00:00 2001 From: Steve Longerbeam Date: Wed, 25 Jun 2014 18:05:50 -0700 Subject: gpu: ipu-cpmem: Add ipu_cpmem_set_axi_id() 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 Signed-off-by: Philipp Zabel --- drivers/gpu/ipu-v3/ipu-cpmem.c | 7 +++++++ include/video/imx-ipu-v3.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c index 28adf39..2d1b376 100644 --- a/drivers/gpu/ipu-v3/ipu-cpmem.c +++ b/drivers/gpu/ipu-v3/ipu-cpmem.c @@ -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); diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h index d2cc207..f30c068 100644 --- a/include/video/imx-ipu-v3.h +++ b/include/video/imx-ipu-v3.h @@ -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, -- cgit v1.1