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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.h')
-rw-r--r-- | drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.h b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.h new file mode 100644 index 0000000000..8eeed87bfb --- /dev/null +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.h @@ -0,0 +1,161 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2016 NextThing Co + * Copyright (C) 2016-2019 Bootlin + * + * Author: Maxime Ripard <maxime.ripard@bootlin.com> + */ + +#ifndef _SUN4I_CSI_H_ +#define _SUN4I_CSI_H_ + +#include <media/media-device.h> +#include <media/v4l2-async.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-fwnode.h> +#include <media/videobuf2-core.h> + +#define CSI_EN_REG 0x00 + +#define CSI_CFG_REG 0x04 +#define CSI_CFG_INPUT_FMT(fmt) ((fmt) << 20) +#define CSI_CFG_OUTPUT_FMT(fmt) ((fmt) << 16) +#define CSI_CFG_YUV_DATA_SEQ(seq) ((seq) << 8) +#define CSI_CFG_VREF_POL(pol) ((pol) << 2) +#define CSI_CFG_HREF_POL(pol) ((pol) << 1) +#define CSI_CFG_PCLK_POL(pol) ((pol) << 0) + +#define CSI_CPT_CTRL_REG 0x08 +#define CSI_CPT_CTRL_VIDEO_START BIT(1) +#define CSI_CPT_CTRL_IMAGE_START BIT(0) + +#define CSI_BUF_ADDR_REG(fifo, buf) (0x10 + (0x8 * (fifo)) + (0x4 * (buf))) + +#define CSI_BUF_CTRL_REG 0x28 +#define CSI_BUF_CTRL_DBN BIT(2) +#define CSI_BUF_CTRL_DBS BIT(1) +#define CSI_BUF_CTRL_DBE BIT(0) + +#define CSI_INT_EN_REG 0x30 +#define CSI_INT_FRM_DONE BIT(1) +#define CSI_INT_CPT_DONE BIT(0) + +#define CSI_INT_STA_REG 0x34 + +#define CSI_WIN_CTRL_W_REG 0x40 +#define CSI_WIN_CTRL_W_ACTIVE(w) ((w) << 16) + +#define CSI_WIN_CTRL_H_REG 0x44 +#define CSI_WIN_CTRL_H_ACTIVE(h) ((h) << 16) + +#define CSI_BUF_LEN_REG 0x48 + +#define CSI_MAX_BUFFER 2 +#define CSI_MAX_HEIGHT 8192U +#define CSI_MAX_WIDTH 8192U + +enum csi_input { + CSI_INPUT_RAW = 0, + CSI_INPUT_BT656 = 2, + CSI_INPUT_YUV = 3, +}; + +enum csi_output_raw { + CSI_OUTPUT_RAW_PASSTHROUGH = 0, +}; + +enum csi_output_yuv { + CSI_OUTPUT_YUV_422_PLANAR = 0, + CSI_OUTPUT_YUV_420_PLANAR = 1, + CSI_OUTPUT_YUV_422_UV = 4, + CSI_OUTPUT_YUV_420_UV = 5, + CSI_OUTPUT_YUV_422_MACRO = 8, + CSI_OUTPUT_YUV_420_MACRO = 9, +}; + +enum csi_yuv_data_seq { + CSI_YUV_DATA_SEQ_YUYV = 0, + CSI_YUV_DATA_SEQ_YVYU = 1, + CSI_YUV_DATA_SEQ_UYVY = 2, + CSI_YUV_DATA_SEQ_VYUY = 3, +}; + +enum csi_subdev_pads { + CSI_SUBDEV_SINK, + CSI_SUBDEV_SOURCE, + + CSI_SUBDEV_PADS, +}; + +extern const struct v4l2_subdev_ops sun4i_csi_subdev_ops; + +struct sun4i_csi_format { + u32 mbus; + u32 fourcc; + enum csi_input input; + u32 output; + unsigned int num_planes; + u8 bpp[3]; + unsigned int hsub; + unsigned int vsub; +}; + +const struct sun4i_csi_format *sun4i_csi_find_format(const u32 *fourcc, + const u32 *mbus); + +struct sun4i_csi { + /* Device resources */ + struct device *dev; + + const struct sun4i_csi_traits *traits; + + void __iomem *regs; + struct clk *bus_clk; + struct clk *isp_clk; + struct clk *ram_clk; + struct reset_control *rst; + + struct vb2_v4l2_buffer *current_buf[CSI_MAX_BUFFER]; + + struct { + size_t size; + void *vaddr; + dma_addr_t paddr; + } scratch; + + struct v4l2_mbus_config_parallel bus; + + /* Main Device */ + struct v4l2_device v4l; + struct media_device mdev; + struct video_device vdev; + struct media_pad vdev_pad; + struct v4l2_pix_format_mplane fmt; + + /* Local subdev */ + struct v4l2_subdev subdev; + struct media_pad subdev_pads[CSI_SUBDEV_PADS]; + struct v4l2_mbus_framefmt subdev_fmt; + + /* V4L2 Async variables */ + struct v4l2_async_notifier notifier; + struct v4l2_subdev *src_subdev; + int src_pad; + + /* V4L2 variables */ + struct mutex lock; + + /* Videobuf2 */ + struct vb2_queue queue; + struct list_head buf_list; + spinlock_t qlock; + unsigned int sequence; +}; + +int sun4i_csi_dma_register(struct sun4i_csi *csi, int irq); +void sun4i_csi_dma_unregister(struct sun4i_csi *csi); + +int sun4i_csi_v4l2_register(struct sun4i_csi *csi); + +#endif /* _SUN4I_CSI_H_ */ |