diff options
Diffstat (limited to 'drivers/staging/media/starfive/camss/stf-capture.h')
| -rw-r--r-- | drivers/staging/media/starfive/camss/stf-capture.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/staging/media/starfive/camss/stf-capture.h b/drivers/staging/media/starfive/camss/stf-capture.h new file mode 100644 index 000000000000..2f9740b7e500 --- /dev/null +++ b/drivers/staging/media/starfive/camss/stf-capture.h @@ -0,0 +1,86 @@ +/* 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 |