153 lines
3.6 KiB
C
153 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* ispcsi2.h
|
|
*
|
|
* TI OMAP3 ISP - CSI2 module
|
|
*
|
|
* Copyright (C) 2010 Nokia Corporation
|
|
* Copyright (C) 2009 Texas Instruments, Inc.
|
|
*
|
|
* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
* Sakari Ailus <sakari.ailus@iki.fi>
|
|
*/
|
|
|
|
#ifndef OMAP3_ISP_CSI2_H
|
|
#define OMAP3_ISP_CSI2_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/videodev2.h>
|
|
|
|
struct isp_csiphy;
|
|
|
|
/* This is not an exhaustive list */
|
|
enum isp_csi2_pix_formats {
|
|
CSI2_PIX_FMT_OTHERS = 0,
|
|
CSI2_PIX_FMT_YUV422_8BIT = 0x1e,
|
|
CSI2_PIX_FMT_YUV422_8BIT_VP = 0x9e,
|
|
CSI2_PIX_FMT_RAW10_EXP16 = 0xab,
|
|
CSI2_PIX_FMT_RAW10_EXP16_VP = 0x12f,
|
|
CSI2_PIX_FMT_RAW8 = 0x2a,
|
|
CSI2_PIX_FMT_RAW8_DPCM10_EXP16 = 0x2aa,
|
|
CSI2_PIX_FMT_RAW8_DPCM10_VP = 0x32a,
|
|
CSI2_PIX_FMT_RAW8_VP = 0x12a,
|
|
CSI2_USERDEF_8BIT_DATA1_DPCM10_VP = 0x340,
|
|
CSI2_USERDEF_8BIT_DATA1_DPCM10 = 0x2c0,
|
|
CSI2_USERDEF_8BIT_DATA1 = 0x40,
|
|
};
|
|
|
|
enum isp_csi2_irqevents {
|
|
OCP_ERR_IRQ = 0x4000,
|
|
SHORT_PACKET_IRQ = 0x2000,
|
|
ECC_CORRECTION_IRQ = 0x1000,
|
|
ECC_NO_CORRECTION_IRQ = 0x800,
|
|
COMPLEXIO2_ERR_IRQ = 0x400,
|
|
COMPLEXIO1_ERR_IRQ = 0x200,
|
|
FIFO_OVF_IRQ = 0x100,
|
|
CONTEXT7 = 0x80,
|
|
CONTEXT6 = 0x40,
|
|
CONTEXT5 = 0x20,
|
|
CONTEXT4 = 0x10,
|
|
CONTEXT3 = 0x8,
|
|
CONTEXT2 = 0x4,
|
|
CONTEXT1 = 0x2,
|
|
CONTEXT0 = 0x1,
|
|
};
|
|
|
|
enum isp_csi2_ctx_irqevents {
|
|
CTX_ECC_CORRECTION = 0x100,
|
|
CTX_LINE_NUMBER = 0x80,
|
|
CTX_FRAME_NUMBER = 0x40,
|
|
CTX_CS = 0x20,
|
|
CTX_LE = 0x8,
|
|
CTX_LS = 0x4,
|
|
CTX_FE = 0x2,
|
|
CTX_FS = 0x1,
|
|
};
|
|
|
|
enum isp_csi2_frame_mode {
|
|
ISP_CSI2_FRAME_IMMEDIATE,
|
|
ISP_CSI2_FRAME_AFTERFEC,
|
|
};
|
|
|
|
#define ISP_CSI2_MAX_CTX_NUM 7
|
|
|
|
struct isp_csi2_ctx_cfg {
|
|
u8 ctxnum; /* context number 0 - 7 */
|
|
u8 dpcm_decompress;
|
|
|
|
/* Fields in CSI2_CTx_CTRL2 - locked by CSI2_CTx_CTRL1.CTX_EN */
|
|
u8 virtual_id;
|
|
u16 format_id; /* as in CSI2_CTx_CTRL2[9:0] */
|
|
u8 dpcm_predictor; /* 1: simple, 0: advanced */
|
|
|
|
/* Fields in CSI2_CTx_CTRL1/3 - Shadowed */
|
|
u16 alpha;
|
|
u16 data_offset;
|
|
u32 ping_addr;
|
|
u32 pong_addr;
|
|
u8 eof_enabled;
|
|
u8 eol_enabled;
|
|
u8 checksum_enabled;
|
|
u8 enabled;
|
|
};
|
|
|
|
struct isp_csi2_timing_cfg {
|
|
u8 ionum; /* IO1 or IO2 as in CSI2_TIMING */
|
|
unsigned force_rx_mode:1;
|
|
unsigned stop_state_16x:1;
|
|
unsigned stop_state_4x:1;
|
|
u16 stop_state_counter;
|
|
};
|
|
|
|
struct isp_csi2_ctrl_cfg {
|
|
bool vp_clk_enable;
|
|
bool vp_only_enable;
|
|
u8 vp_out_ctrl;
|
|
enum isp_csi2_frame_mode frame_mode;
|
|
bool ecc_enable;
|
|
bool if_enable;
|
|
};
|
|
|
|
#define CSI2_PAD_SINK 0
|
|
#define CSI2_PAD_SOURCE 1
|
|
#define CSI2_PADS_NUM 2
|
|
|
|
#define CSI2_OUTPUT_CCDC (1 << 0)
|
|
#define CSI2_OUTPUT_MEMORY (1 << 1)
|
|
|
|
struct isp_csi2_device {
|
|
struct v4l2_subdev subdev;
|
|
struct media_pad pads[CSI2_PADS_NUM];
|
|
struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM];
|
|
|
|
struct isp_video video_out;
|
|
struct isp_device *isp;
|
|
|
|
u8 available; /* Is the IP present on the silicon? */
|
|
|
|
/* mem resources - enums as defined in enum isp_mem_resources */
|
|
u8 regs1;
|
|
u8 regs2;
|
|
|
|
u32 output; /* output to CCDC, memory or both? */
|
|
bool dpcm_decompress;
|
|
unsigned int frame_skip;
|
|
|
|
struct isp_csiphy *phy;
|
|
struct isp_csi2_ctx_cfg contexts[ISP_CSI2_MAX_CTX_NUM + 1];
|
|
struct isp_csi2_timing_cfg timing[2];
|
|
struct isp_csi2_ctrl_cfg ctrl;
|
|
enum isp_pipeline_stream_state state;
|
|
wait_queue_head_t wait;
|
|
atomic_t stopping;
|
|
};
|
|
|
|
void omap3isp_csi2_isr(struct isp_csi2_device *csi2);
|
|
int omap3isp_csi2_reset(struct isp_csi2_device *csi2);
|
|
int omap3isp_csi2_init(struct isp_device *isp);
|
|
void omap3isp_csi2_cleanup(struct isp_device *isp);
|
|
void omap3isp_csi2_unregister_entities(struct isp_csi2_device *csi2);
|
|
int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2,
|
|
struct v4l2_device *vdev);
|
|
#endif /* OMAP3_ISP_CSI2_H */
|