diff options
Diffstat (limited to 'target/linux/at91/patches-5.10/170-media-atmel-atmel-isc-add-DMA-to-register-offsets.patch')
| -rw-r--r-- | target/linux/at91/patches-5.10/170-media-atmel-atmel-isc-add-DMA-to-register-offsets.patch | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/target/linux/at91/patches-5.10/170-media-atmel-atmel-isc-add-DMA-to-register-offsets.patch b/target/linux/at91/patches-5.10/170-media-atmel-atmel-isc-add-DMA-to-register-offsets.patch deleted file mode 100644 index ef7104e587..0000000000 --- a/target/linux/at91/patches-5.10/170-media-atmel-atmel-isc-add-DMA-to-register-offsets.patch +++ /dev/null @@ -1,110 +0,0 @@ -From 7173e54070a9b530c8c16e0a507be71385133abd Mon Sep 17 00:00:00 2001 -From: Eugen Hristev <eugen.hristev@microchip.com> -Date: Tue, 13 Apr 2021 12:57:12 +0200 -Subject: [PATCH 170/247] media: atmel: atmel-isc: add DMA to register offsets - -The DMA submodule is a part of the atmel-isc pipeline, and stands for -Direct Memory Access. It acts like a master on the AXI bus of the SoC, and -can directly write the RAM area with the pixel data from the ISC internal -sram. -Add dma to the reg offsets struct. -This will allow different products to have a different reg offset for this -particular module. - -Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> -Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> -Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> ---- - drivers/media/platform/atmel/atmel-isc-base.c | 19 ++++++++++++------- - drivers/media/platform/atmel/atmel-isc-regs.h | 3 +++ - drivers/media/platform/atmel/atmel-isc.h | 2 ++ - .../media/platform/atmel/atmel-sama5d2-isc.c | 1 + - 4 files changed, 18 insertions(+), 7 deletions(-) - ---- a/drivers/media/platform/atmel/atmel-isc-base.c -+++ b/drivers/media/platform/atmel/atmel-isc-base.c -@@ -601,16 +601,20 @@ static void isc_start_dma(struct isc_dev - ISC_PFE_CFG0_COLEN | ISC_PFE_CFG0_ROWEN); - - addr0 = vb2_dma_contig_plane_dma_addr(&isc->cur_frm->vb.vb2_buf, 0); -- regmap_write(regmap, ISC_DAD0, addr0); -+ regmap_write(regmap, ISC_DAD0 + isc->offsets.dma, addr0); - - switch (isc->config.fourcc) { - case V4L2_PIX_FMT_YUV420: -- regmap_write(regmap, ISC_DAD1, addr0 + (sizeimage * 2) / 3); -- regmap_write(regmap, ISC_DAD2, addr0 + (sizeimage * 5) / 6); -+ regmap_write(regmap, ISC_DAD1 + isc->offsets.dma, -+ addr0 + (sizeimage * 2) / 3); -+ regmap_write(regmap, ISC_DAD2 + isc->offsets.dma, -+ addr0 + (sizeimage * 5) / 6); - break; - case V4L2_PIX_FMT_YUV422P: -- regmap_write(regmap, ISC_DAD1, addr0 + sizeimage / 2); -- regmap_write(regmap, ISC_DAD2, addr0 + (sizeimage * 3) / 4); -+ regmap_write(regmap, ISC_DAD1 + isc->offsets.dma, -+ addr0 + sizeimage / 2); -+ regmap_write(regmap, ISC_DAD2 + isc->offsets.dma, -+ addr0 + (sizeimage * 3) / 4); - break; - default: - break; -@@ -618,7 +622,8 @@ static void isc_start_dma(struct isc_dev - - dctrl_dview = isc->config.dctrl_dview; - -- regmap_write(regmap, ISC_DCTRL, dctrl_dview | ISC_DCTRL_IE_IS); -+ regmap_write(regmap, ISC_DCTRL + isc->offsets.dma, -+ dctrl_dview | ISC_DCTRL_IE_IS); - spin_lock(&isc->awb_lock); - regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_CAPTURE); - spin_unlock(&isc->awb_lock); -@@ -731,7 +736,7 @@ static int isc_configure(struct isc_devi - regmap_update_bits(regmap, ISC_RLP_CFG + isc->offsets.rlp, - ISC_RLP_CFG_MODE_MASK, rlp_mode); - -- regmap_write(regmap, ISC_DCFG, dcfg); -+ regmap_write(regmap, ISC_DCFG + isc->offsets.dma, dcfg); - - /* Set the pipeline */ - isc_set_pipeline(isc, pipeline); ---- a/drivers/media/platform/atmel/atmel-isc-regs.h -+++ b/drivers/media/platform/atmel/atmel-isc-regs.h -@@ -247,6 +247,9 @@ - - #define ISC_HIS_CFG_RAR BIT(8) - -+/* Offset for DMA register specific to sama5d2 product */ -+#define ISC_SAMA5D2_DMA_OFFSET 0 -+ - /* DMA Configuration Register */ - #define ISC_DCFG 0x000003e0 - #define ISC_DCFG_IMODE_PACKED8 0x0 ---- a/drivers/media/platform/atmel/atmel-isc.h -+++ b/drivers/media/platform/atmel/atmel-isc.h -@@ -151,6 +151,7 @@ struct isc_ctrls { - * @sub420: Offset for the SUB420 register - * @rlp: Offset for the RLP register - * @his: Offset for the HIS related registers -+ * @dma: Offset for the DMA related registers - */ - struct isc_reg_offsets { - u32 csc; -@@ -159,6 +160,7 @@ struct isc_reg_offsets { - u32 sub420; - u32 rlp; - u32 his; -+ u32 dma; - }; - - /* ---- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c -+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c -@@ -257,6 +257,7 @@ static int atmel_isc_probe(struct platfo - isc->offsets.sub420 = ISC_SAMA5D2_SUB420_OFFSET; - isc->offsets.rlp = ISC_SAMA5D2_RLP_OFFSET; - isc->offsets.his = ISC_SAMA5D2_HIS_OFFSET; -+ isc->offsets.dma = ISC_SAMA5D2_DMA_OFFSET; - - /* sama5d2-isc - 8 bits per beat */ - isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8; |