197 lines
6.7 KiB
C
197 lines
6.7 KiB
C
/*
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* csi_hw.h
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*
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* Semidrive platform csi controller ip core header file
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*
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* Copyright (C) 2022, Semidrive Communications Inc.
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*
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* This file is licensed under a dual GPLv2 or X11 license.
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*/
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#ifndef __CSI_HW_H__
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#define __CSI_HW_H__
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#include "camera/sdrv-cam-os-def.h"
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/* max output format for one specified input bus fmt */
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#define CSI_OUTFMT_MAX 8
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/* csi hardware id */
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enum csi_host_id {
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CSI_HOST_0 = 0,
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CSI_HOST_1,
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CSI_HOST_2,
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CSI_HOST_NUM,
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};
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/* image channel id in one csi hardware device */
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enum csi_img_id { CSI_IMG0 = 0, CSI_IMG1, CSI_IMG2, CSI_IMG3, CSI_IMG_NUM };
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/*
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* for cmd of: int csi_reset_img(struct csi_hw_dev *csi_dev, uint32_t img_id,
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* uint32_t cmd); CSI_RESET_IMG_HW: reset hardware (csi virtual channel)
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* CSI_RESET_IMG_CTX: reset image software context.
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* (CSI_RESET_IMG_HW | CSI_RESET_IMG_CTX) should be applied every time video
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* open ”CSI_RESET_IMG_HW only“ can be applied for error recovering
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*/
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enum csi_img_reset_type {
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CSI_RESET_IMG_HW = (1 << 0),
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CSI_RESET_IMG_CTX = (1 << 1),
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};
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/* input camera signal interface type */
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enum csi_bus_type {
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CSI_BUS_MIPICSI2 = 0, /* mipi-csi2 */
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CSI_BUS_PARALLEL1, /* continuous clk, VSYNC & HSYNC, gate mode1 -- NOT
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SUPPORTED */
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CSI_BUS_PARALLEL2, /* continuous clk, VSYNC * HSYNC, gate mode2 */
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CSI_BUS_PARALLEL3, /* non-continuous clk, VSYNC */
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CSI_BUS_PARALLEL4, /* continuous clk, VSYNC & HSYNC, DE(data-enable), same
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as MIPICSI2 */
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CSI_BUS_BT656, /* clk, data */
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CSI_BUS_BT1120_SDR, /* clk, single data one cycle */
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CSI_BUS_BT1120_DDR, /* clk, double data one cycle -- NOT SUPPORTED */
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CSI_BUS_TYPE_MAX
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};
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/* input media format */
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enum csi_mbus_fmt {
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CSI_MBUS_UYVY8_2X8 =
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1, /* for mipi-csi YUV422-8bit, for parallel UYVY-8bit */
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CSI_MBUS_YUYV8_2X8, /* for parallel YUYV-8bit*/
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CSI_MBUS_YUYV8_1X16, /* for parallel YUYV-16bit*/
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CSI_MBUS_UYVY8_1X16, /* for parallel UYVY-16bit*/
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CSI_MBUS_UYVY10_2X10, /* for mipi-csi YUV422-10bit */
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CSI_MBUS_UYVY8_1_5X8, /* for mipi-csi YUV420-legacy, for parallel
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UYY-VYY-8bit */
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CSI_MBUS_VYUY8_1_5X8, /* for mipi-csi YUV420, for parallel VYY-UYY-8bit
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*/
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CSI_MBUS_RGB888_1X24, /* for mipi-csi RGB-8bit, for parallel RGB-8bit */
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CSI_MBUS_RGB565_1X16, /* for mipi-csi RGB-6bit, for parallel RGB-6bit */
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CSI_MBUS_RGB24_1X24, /* for parallel RGB-24bit*/
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CSI_MBUS_BGR24_1X24, /* for parallel RGB-24bit*/
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/* More types to be added ....*/
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CSI_MBUS_FMT_MAX
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};
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enum csi_bus_flag {
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MBUS_DE_ACTIVE_LOW = (1 << 0),
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MBUS_VSYNC_ACTIVE_LOW = (1 << 1),
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MBUS_HSYNC_ACTIVE_HIGH = (1 << 2),
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MBUS_PCLK_SAMPLE_RISING = (1 << 3),
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};
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/* csi output format (stored in memory) */
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enum csi_out_fmt {
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CSI_FMT_YUYV = 1, /* Y-U-Y-V, 8-8-8-8 */
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CSI_FMT_UYVY, /* U-Y-V-Y, 8-8-8-8 */
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CSI_FMT_NV16, /* Y-Y-Y-Y, U-V-U-V, two planes*/
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CSI_FMT_NV61, /* Y-Y-Y-Y, V-U-V-U, two planes*/
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CSI_FMT_YUV422P, /* Y, U, V, three planes*/
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CSI_FMT_RGB24, /* R-G-B, 8-8-8*/
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CSI_FMT_BGR24, /* B-G-R, 8-8-8*/
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CSI_FMT_RGB16, /* R-G-B, 5-6-5*/
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/* More types to be added ....*/
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CSI_FMT_MAX,
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};
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/* input image type. For BT656, interlaced field is supportted. Other cases
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* should be CSI_FIELD_NONE */
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enum csi_field_type {
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CSI_FIELD_NONE, /* no field, progressive */
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CSI_FIELD_TOP,
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CSI_FIELD_BOTTOM,
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CSI_FIELD_INTERLACED, /* both top and bottom field and interlaced into one
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frame */
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CSI_FIELD_MAX,
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};
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struct csi_img_crop {
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uint32_t x;
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uint32_t y;
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uint32_t w;
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uint32_t h;
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};
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struct csi_img_size {
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uint32_t w;
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uint32_t h;
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};
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struct csi_img_buf {
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dma_addr_t paddr[3];
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};
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struct mem_range {
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uint32_t up;
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uint32_t low;
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};
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struct csi_bus_info {
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uint32_t bus_type; /* should be enum csi_bus_type */
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uint32_t mbus_fmt; /* should be enum csi_mbus_fmt */
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uint32_t bus_flag;
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};
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/* supported output formats for one specified bus_types and mbus_fmt */
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struct csi_outfmt_info {
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uint32_t count;
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uint32_t fmts[CSI_OUTFMT_MAX];
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};
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struct csi_field_info {
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uint32_t field_type; /* should be enum csi_field_type */
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};
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struct csi_callback_t {
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void *caller;
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int (*csi_frame_done)(void *caller, uint32_t img_id);
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int (*csi_update_buf)(void *caller, uint32_t img_id);
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int (*csi_error_handle)(void *caller, uint32_t img_id);
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};
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struct csi_hw_dev;
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struct csi_hw_operations {
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/* ==== following interface for csi_core ==== */
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int (*csi_irq_handle)(struct csi_hw_dev *csi_dev);
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int (*csi_cfg_sync)(struct csi_hw_dev *csi_dev, uint32_t sync);
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/* ==== following interface for csi_image (one of virtual channel) ==== */
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int (*csi_reset_img)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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uint32_t cmd);
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int (*csi_register_callback)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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struct csi_callback_t *cb);
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int (*csi_cfg_bus)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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struct csi_bus_info *bus);
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int (*csi_query_outfmts)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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struct csi_outfmt_info *fmt);
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int (*csi_cfg_outfmt)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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uint32_t outfmt);
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int (*csi_cfg_field)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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struct csi_field_info *field);
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int (*csi_cfg_size)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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struct csi_img_size *size);
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int (*csi_cfg_crop)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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struct csi_img_crop *crop);
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int (*csi_cfg_img_buf)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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struct csi_img_buf *buf);
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int (*csi_cfg_mem_range)(struct csi_hw_dev *csi_dev, uint32_t img_id,
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struct mem_range *mem);
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int (*csi_stream_on)(struct csi_hw_dev *csi_dev, uint32_t img_id);
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int (*csi_stream_off)(struct csi_hw_dev *csi_dev, uint32_t img_id);
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};
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struct csi_hw_dev {
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void *priv_data;
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uint32_t host_id;
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struct csi_hw_operations ops;
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};
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/* ==== following interface for csi_core ==== */
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struct csi_hw_dev *csi_hw_init(reg_addr_t base, uint32_t host_id);
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int csi_hw_deinit(struct csi_hw_dev *csi_dev);
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#endif
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