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/* SPDX-License-Identifier: GPL-2.0 */
/*
* stf_capture.h
*
* Starfive Camera Subsystem driver
*
* Copyright (C) 2021-2023 StarFive Technology Co., Ltd.
*/
#ifndef STF_CAPTURE_H
#define STF_CAPTURE_H
#include "stf-video.h"
#define VIN_CHANNEL_SEL_EN 0x14
#define VIN_START_ADDR_N 0x18
#define VIN_INRT_PIX_CFG 0x1c
#define VIN_START_ADDR_O 0x20
#define VIN_CFG_REG 0x24
#define U0_VIN_CNFG_AXI_DVP_EN BIT(2)
#define U0_VIN_CHANNEL_SEL_MASK GENMASK(3, 0)
#define U0_VIN_AXIWR0_EN BIT(4)
#define CHANNEL(x) ((x) << 0)
#define U0_VIN_INTR_CLEAN BIT(0)
#define U0_VIN_INTR_M BIT(1)
#define U0_VIN_PIX_CNT_END_MASK GENMASK(12, 2)
#define U0_VIN_PIX_CT_MASK GENMASK(14, 13)
#define U0_VIN_PIXEL_HEIGH_BIT_SEL_MAKS GENMASK(16, 15)
#define PIX_CNT_END(x) ((x) << 2)
#define PIX_CT(x) ((x) << 13)
#define PIXEL_HEIGH_BIT_SEL(x) ((x) << 15)
#define U0_VIN_CNFG_DVP_HS_POS BIT(1)
#define U0_VIN_CNFG_DVP_SWAP_EN BIT(2)
#define U0_VIN_CNFG_DVP_VS_POS BIT(3)
#define U0_VIN_CNFG_GEN_EN_AXIRD BIT(4)
#define U0_VIN_CNFG_ISP_DVP_EN0 BIT(5)
#define U0_VIN_MIPI_BYTE_EN_ISP0(n) ((n) << 6)
#define U0_VIN_MIPI_CHANNEL_SEL0(n) ((n) << 8)
#define U0_VIN_P_I_MIPI_HAEDER_EN0(n) ((n) << 12)
#define U0_VIN_PIX_NUM(n) ((n) << 13)
#define U0_VIN_MIPI_BYTE_EN_ISP0_MASK GENMASK(7, 6)
#define U0_VIN_MIPI_CHANNEL_SEL0_MASK GENMASK(11, 8)
#define U0_VIN_P_I_MIPI_HAEDER_EN0_MASK BIT(12)
#define U0_VIN_PIX_NUM_MASK GENMASK(16, 13)
enum stf_v_state {
STF_OUTPUT_OFF,
STF_OUTPUT_RESERVED,
STF_OUTPUT_SINGLE,
STF_OUTPUT_CONTINUOUS,
STF_OUTPUT_IDLE,
STF_OUTPUT_STOPPING
};
struct stf_v_buf {
int active_buf;
struct stfcamss_buffer *buf[2];
struct stfcamss_buffer *last_buffer;
struct list_head pending_bufs;
struct list_head ready_bufs;
enum stf_v_state state;
unsigned int sequence;
/* protects the above member variables */
spinlock_t lock;
atomic_t frame_skip;
};
struct stf_capture {
struct stfcamss_video video;
struct stf_v_buf buffers;
enum stf_capture_type type;
};
irqreturn_t stf_wr_irq_handler(int irq, void *priv);
irqreturn_t stf_isp_irq_handler(int irq, void *priv);
irqreturn_t stf_line_irq_handler(int irq, void *priv);
int stf_capture_register(struct stfcamss *stfcamss,
struct v4l2_device *v4l2_dev);
void stf_capture_unregister(struct stfcamss *stfcamss);
#endif
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