| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Laurent Pinchart | 887 | 100.00% | 1 | 100.00% |
| Total | 887 | 1 |
/* * Xilinx Video IP Core * * Copyright (C) 2013-2015 Ideas on Board * Copyright (C) 2013-2015 Xilinx, Inc. * * Contacts: Hyun Kwon <hyun.kwon@xilinx.com> * Laurent Pinchart <laurent.pinchart@ideasonboard.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __XILINX_VIP_H__ #define __XILINX_VIP_H__ #include <linux/io.h> #include <media/v4l2-subdev.h> struct clk; /* * Minimum and maximum width and height common to most video IP cores. IP * cores with different requirements must define their own values. */ #define XVIP_MIN_WIDTH 32 #define XVIP_MAX_WIDTH 7680 #define XVIP_MIN_HEIGHT 32 #define XVIP_MAX_HEIGHT 7680 /* * Pad IDs. IP cores with with multiple inputs or outputs should define * their own values. */ #define XVIP_PAD_SINK 0 #define XVIP_PAD_SOURCE 1 /* Xilinx Video IP Control Registers */ #define XVIP_CTRL_CONTROL 0x0000 #define XVIP_CTRL_CONTROL_SW_ENABLE (1 << 0) #define XVIP_CTRL_CONTROL_REG_UPDATE (1 << 1) #define XVIP_CTRL_CONTROL_BYPASS (1 << 4) #define XVIP_CTRL_CONTROL_TEST_PATTERN (1 << 5) #define XVIP_CTRL_CONTROL_FRAME_SYNC_RESET (1 << 30) #define XVIP_CTRL_CONTROL_SW_RESET (1 << 31) #define XVIP_CTRL_STATUS 0x0004 #define XVIP_CTRL_STATUS_PROC_STARTED (1 << 0) #define XVIP_CTRL_STATUS_EOF (1 << 1) #define XVIP_CTRL_ERROR 0x0008 #define XVIP_CTRL_ERROR_SLAVE_EOL_EARLY (1 << 0) #define XVIP_CTRL_ERROR_SLAVE_EOL_LATE (1 << 1) #define XVIP_CTRL_ERROR_SLAVE_SOF_EARLY (1 << 2) #define XVIP_CTRL_ERROR_SLAVE_SOF_LATE (1 << 3) #define XVIP_CTRL_IRQ_ENABLE 0x000c #define XVIP_CTRL_IRQ_ENABLE_PROC_STARTED (1 << 0) #define XVIP_CTRL_IRQ_EOF (1 << 1) #define XVIP_CTRL_VERSION 0x0010 #define XVIP_CTRL_VERSION_MAJOR_MASK (0xff << 24) #define XVIP_CTRL_VERSION_MAJOR_SHIFT 24 #define XVIP_CTRL_VERSION_MINOR_MASK (0xff << 16) #define XVIP_CTRL_VERSION_MINOR_SHIFT 16 #define XVIP_CTRL_VERSION_REVISION_MASK (0xf << 12) #define XVIP_CTRL_VERSION_REVISION_SHIFT 12 #define XVIP_CTRL_VERSION_PATCH_MASK (0xf << 8) #define XVIP_CTRL_VERSION_PATCH_SHIFT 8 #define XVIP_CTRL_VERSION_INTERNAL_MASK (0xff << 0) #define XVIP_CTRL_VERSION_INTERNAL_SHIFT 0 /* Xilinx Video IP Timing Registers */ #define XVIP_ACTIVE_SIZE 0x0020 #define XVIP_ACTIVE_VSIZE_MASK (0x7ff << 16) #define XVIP_ACTIVE_VSIZE_SHIFT 16 #define XVIP_ACTIVE_HSIZE_MASK (0x7ff << 0) #define XVIP_ACTIVE_HSIZE_SHIFT 0 #define XVIP_ENCODING 0x0028 #define XVIP_ENCODING_NBITS_8 (0 << 4) #define XVIP_ENCODING_NBITS_10 (1 << 4) #define XVIP_ENCODING_NBITS_12 (2 << 4) #define XVIP_ENCODING_NBITS_16 (3 << 4) #define XVIP_ENCODING_NBITS_MASK (3 << 4) #define XVIP_ENCODING_NBITS_SHIFT 4 #define XVIP_ENCODING_VIDEO_FORMAT_YUV422 (0 << 0) #define XVIP_ENCODING_VIDEO_FORMAT_YUV444 (1 << 0) #define XVIP_ENCODING_VIDEO_FORMAT_RGB (2 << 0) #define XVIP_ENCODING_VIDEO_FORMAT_YUV420 (3 << 0) #define XVIP_ENCODING_VIDEO_FORMAT_MASK (3 << 0) #define XVIP_ENCODING_VIDEO_FORMAT_SHIFT 0 /** * struct xvip_device - Xilinx Video IP device structure * @subdev: V4L2 subdevice * @dev: (OF) device * @iomem: device I/O register space remapped to kernel virtual memory * @clk: video core clock * @saved_ctrl: saved control register for resume / suspend */ struct xvip_device { struct v4l2_subdev subdev; struct device *dev; void __iomem *iomem; struct clk *clk; u32 saved_ctrl; }; /** * struct xvip_video_format - Xilinx Video IP video format description * @vf_code: AXI4 video format code * @width: AXI4 format width in bits per component * @pattern: CFA pattern for Mono/Sensor formats * @code: media bus format code * @bpp: bytes per pixel (when stored in memory) * @fourcc: V4L2 pixel format FCC identifier * @description: format description, suitable for userspace */ struct xvip_video_format { unsigned int vf_code; unsigned int width; const char *pattern; unsigned int code; unsigned int bpp; u32 fourcc; const char *description; }; const struct xvip_video_format *xvip_get_format_by_code(unsigned int code); const struct xvip_video_format *xvip_get_format_by_fourcc(u32 fourcc); const struct xvip_video_format *xvip_of_get_format(struct device_node *node); void xvip_set_format_size(struct v4l2_mbus_framefmt *format, const struct v4l2_subdev_format *fmt); int xvip_enum_mbus_code(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code); int xvip_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_size_enum *fse); static inline u32 xvip_read(struct xvip_device *xvip, u32 addr) { return ioread32(xvip->iomem + addr); } static inline void xvip_write(struct xvip_device *xvip, u32 addr, u32 value) { iowrite32(value, xvip->iomem + addr); } static inline void xvip_clr(struct xvip_device *xvip, u32 addr, u32 clr) { xvip_write(xvip, addr, xvip_read(xvip, addr) & ~clr); } static inline void xvip_set(struct xvip_device *xvip, u32 addr, u32 set) { xvip_write(xvip, addr, xvip_read(xvip, addr) | set); } void xvip_clr_or_set(struct xvip_device *xvip, u32 addr, u32 mask, bool set); void xvip_clr_and_set(struct xvip_device *xvip, u32 addr, u32 clr, u32 set); int xvip_init_resources(struct xvip_device *xvip); void xvip_cleanup_resources(struct xvip_device *xvip); static inline void xvip_reset(struct xvip_device *xvip) { xvip_write(xvip, XVIP_CTRL_CONTROL, XVIP_CTRL_CONTROL_SW_RESET); } static inline void xvip_start(struct xvip_device *xvip) { xvip_set(xvip, XVIP_CTRL_CONTROL, XVIP_CTRL_CONTROL_SW_ENABLE | XVIP_CTRL_CONTROL_REG_UPDATE); } static inline void xvip_stop(struct xvip_device *xvip) { xvip_clr(xvip, XVIP_CTRL_CONTROL, XVIP_CTRL_CONTROL_SW_ENABLE); } static inline void xvip_resume(struct xvip_device *xvip) { xvip_write(xvip, XVIP_CTRL_CONTROL, xvip->saved_ctrl | XVIP_CTRL_CONTROL_SW_ENABLE); } static inline void xvip_suspend(struct xvip_device *xvip) { xvip->saved_ctrl = xvip_read(xvip, XVIP_CTRL_CONTROL); xvip_write(xvip, XVIP_CTRL_CONTROL, xvip->saved_ctrl & ~XVIP_CTRL_CONTROL_SW_ENABLE); } static inline void xvip_set_frame_size(struct xvip_device *xvip, const struct v4l2_mbus_framefmt *format) { xvip_write(xvip, XVIP_ACTIVE_SIZE, (format->height << XVIP_ACTIVE_VSIZE_SHIFT) | (format->width << XVIP_ACTIVE_HSIZE_SHIFT)); } static inline void xvip_get_frame_size(struct xvip_device *xvip, struct v4l2_mbus_framefmt *format) { u32 reg; reg = xvip_read(xvip, XVIP_ACTIVE_SIZE); format->width = (reg & XVIP_ACTIVE_HSIZE_MASK) >> XVIP_ACTIVE_HSIZE_SHIFT; format->height = (reg & XVIP_ACTIVE_VSIZE_MASK) >> XVIP_ACTIVE_VSIZE_SHIFT; } static inline void xvip_enable_reg_update(struct xvip_device *xvip) { xvip_set(xvip, XVIP_CTRL_CONTROL, XVIP_CTRL_CONTROL_REG_UPDATE); } static inline void xvip_disable_reg_update(struct xvip_device *xvip) { xvip_clr(xvip, XVIP_CTRL_CONTROL, XVIP_CTRL_CONTROL_REG_UPDATE); } static inline void xvip_print_version(struct xvip_device *xvip) { u32 version; version = xvip_read(xvip, XVIP_CTRL_VERSION); dev_info(xvip->dev, "device found, version %u.%02x%x\n", ((version & XVIP_CTRL_VERSION_MAJOR_MASK) >> XVIP_CTRL_VERSION_MAJOR_SHIFT), ((version & XVIP_CTRL_VERSION_MINOR_MASK) >> XVIP_CTRL_VERSION_MINOR_SHIFT), ((version & XVIP_CTRL_VERSION_REVISION_MASK) >> XVIP_CTRL_VERSION_REVISION_SHIFT)); } #endif /* __XILINX_VIP_H__ */
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