1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * stf_capture.h 4 * 5 * Starfive Camera Subsystem driver 6 * 7 * Copyright (C) 2021-2023 StarFive Technology Co., Ltd. 8 */ 9 10#ifndef STF_CAPTURE_H 11#define STF_CAPTURE_H 12 13#include "stf-video.h" 14 15#define VIN_CHANNEL_SEL_EN 0x14 16#define VIN_START_ADDR_N 0x18 17#define VIN_INRT_PIX_CFG 0x1c 18#define VIN_START_ADDR_O 0x20 19#define VIN_CFG_REG 0x24 20 21#define U0_VIN_CNFG_AXI_DVP_EN BIT(2) 22 23#define U0_VIN_CHANNEL_SEL_MASK GENMASK(3, 0) 24#define U0_VIN_AXIWR0_EN BIT(4) 25#define CHANNEL(x) ((x) << 0) 26 27#define U0_VIN_INTR_CLEAN BIT(0) 28#define U0_VIN_INTR_M BIT(1) 29#define U0_VIN_PIX_CNT_END_MASK GENMASK(12, 2) 30#define U0_VIN_PIX_CT_MASK GENMASK(14, 13) 31#define U0_VIN_PIXEL_HEIGH_BIT_SEL_MAKS GENMASK(16, 15) 32 33#define PIX_CNT_END(x) ((x) << 2) 34#define PIX_CT(x) ((x) << 13) 35#define PIXEL_HEIGH_BIT_SEL(x) ((x) << 15) 36 37#define U0_VIN_CNFG_DVP_HS_POS BIT(1) 38#define U0_VIN_CNFG_DVP_SWAP_EN BIT(2) 39#define U0_VIN_CNFG_DVP_VS_POS BIT(3) 40#define U0_VIN_CNFG_GEN_EN_AXIRD BIT(4) 41#define U0_VIN_CNFG_ISP_DVP_EN0 BIT(5) 42#define U0_VIN_MIPI_BYTE_EN_ISP0(n) ((n) << 6) 43#define U0_VIN_MIPI_CHANNEL_SEL0(n) ((n) << 8) 44#define U0_VIN_P_I_MIPI_HAEDER_EN0(n) ((n) << 12) 45#define U0_VIN_PIX_NUM(n) ((n) << 13) 46#define U0_VIN_MIPI_BYTE_EN_ISP0_MASK GENMASK(7, 6) 47#define U0_VIN_MIPI_CHANNEL_SEL0_MASK GENMASK(11, 8) 48#define U0_VIN_P_I_MIPI_HAEDER_EN0_MASK BIT(12) 49#define U0_VIN_PIX_NUM_MASK GENMASK(16, 13) 50 51enum stf_v_state { 52 STF_OUTPUT_OFF, 53 STF_OUTPUT_RESERVED, 54 STF_OUTPUT_SINGLE, 55 STF_OUTPUT_CONTINUOUS, 56 STF_OUTPUT_IDLE, 57 STF_OUTPUT_STOPPING 58}; 59 60struct stf_v_buf { 61 int active_buf; 62 struct stfcamss_buffer *buf[2]; 63 struct stfcamss_buffer *last_buffer; 64 struct list_head pending_bufs; 65 struct list_head ready_bufs; 66 enum stf_v_state state; 67 unsigned int sequence; 68 /* protects the above member variables */ 69 spinlock_t lock; 70 atomic_t frame_skip; 71}; 72 73struct stf_capture { 74 struct stfcamss_video video; 75 struct stf_v_buf buffers; 76 enum stf_capture_type type; 77}; 78 79irqreturn_t stf_wr_irq_handler(int irq, void *priv); 80irqreturn_t stf_isp_irq_handler(int irq, void *priv); 81irqreturn_t stf_line_irq_handler(int irq, void *priv); 82int stf_capture_register(struct stfcamss *stfcamss, 83 struct v4l2_device *v4l2_dev); 84void stf_capture_unregister(struct stfcamss *stfcamss); 85 86#endif 87