// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Rockchip ISP1 Driver - ISP Subdevice * * Copyright (C) 2019 Collabora, Ltd. * * Based on Rockchip ISP1 driver by Rockchip Electronics Co., Ltd. * Copyright (C) 2017 Rockchip Electronics Co., Ltd. */ #include <linux/iopoll.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/videodev2.h> #include <linux/vmalloc.h> #include <media/v4l2-event.h> #include "rkisp1-common.h" #define RKISP1_DEF_SINK_PAD_FMT … #define RKISP1_DEF_SRC_PAD_FMT … #define RKISP1_ISP_DEV_NAME … /* * NOTE: MIPI controller and input MUX are also configured in this file. * This is because ISP Subdev describes not only ISP submodule (input size, * format, output size, format), but also a virtual route device. */ /* * There are many variables named with format/frame in below code, * please see here for their meaning. * Cropping in the sink pad defines the image region from the sensor. * Cropping in the source pad defines the region for the Image Stabilizer (IS) * * Cropping regions of ISP * * +---------------------------------------------------------+ * | Sensor image | * | +---------------------------------------------------+ | * | | CIF_ISP_ACQ (for black level) | | * | | sink pad format | | * | | +--------------------------------------------+ | | * | | | CIF_ISP_OUT | | | * | | | sink pad crop | | | * | | | +---------------------------------+ | | | * | | | | CIF_ISP_IS | | | | * | | | | source pad crop and format | | | | * | | | +---------------------------------+ | | | * | | +--------------------------------------------+ | | * | +---------------------------------------------------+ | * +---------------------------------------------------------+ */ /* ----------------------------------------------------------------------------- * Media block control (i.MX8MP only) */ #define ISP_DEWARP_CONTROL … #define ISP_DEWARP_CONTROL_MIPI_CSI2_HS_POLARITY … #define ISP_DEWARP_CONTROL_MIPI_CSI2_VS_SEL_RISING … #define ISP_DEWARP_CONTROL_MIPI_CSI2_VS_SEL_NEGATIVE … #define ISP_DEWARP_CONTROL_MIPI_CSI2_VS_SEL_POSITIVE … #define ISP_DEWARP_CONTROL_MIPI_CSI2_VS_SEL_FALLING … #define ISP_DEWARP_CONTROL_MIPI_CSI2_VS_SEL_MASK … #define ISP_DEWARP_CONTROL_MIPI_ISP2_LEFT_JUST_MODE … #define ISP_DEWARP_CONTROL_MIPI_ISP2_DATA_TYPE(dt) … #define ISP_DEWARP_CONTROL_MIPI_ISP2_DATA_TYPE_MASK … #define ISP_DEWARP_CONTROL_MIPI_CSI1_HS_POLARITY … #define ISP_DEWARP_CONTROL_MIPI_CSI1_VS_SEL_RISING … #define ISP_DEWARP_CONTROL_MIPI_CSI1_VS_SEL_NEGATIVE … #define ISP_DEWARP_CONTROL_MIPI_CSI1_VS_SEL_POSITIVE … #define ISP_DEWARP_CONTROL_MIPI_CSI1_VS_SEL_FALLING … #define ISP_DEWARP_CONTROL_MIPI_CSI1_VS_SEL_MASK … #define ISP_DEWARP_CONTROL_MIPI_ISP1_LEFT_JUST_MODE … #define ISP_DEWARP_CONTROL_MIPI_ISP1_DATA_TYPE(dt) … #define ISP_DEWARP_CONTROL_MIPI_ISP1_DATA_TYPE_MASK … #define ISP_DEWARP_CONTROL_GPR_ISP_1_DISABLE … #define ISP_DEWARP_CONTROL_GPR_ISP_0_DISABLE … static int rkisp1_gasket_enable(struct rkisp1_device *rkisp1, struct media_pad *source) { … } static void rkisp1_gasket_disable(struct rkisp1_device *rkisp1) { … } /* ---------------------------------------------------------------------------- * Camera Interface registers configurations */ /* * Image Stabilization. * This should only be called when configuring CIF * or at the frame end interrupt */ static void rkisp1_config_ism(struct rkisp1_isp *isp, const struct v4l2_subdev_state *sd_state) { … } /* * configure ISP blocks with input format, size...... */ static int rkisp1_config_isp(struct rkisp1_isp *isp, const struct v4l2_subdev_state *sd_state, enum v4l2_mbus_type mbus_type, u32 mbus_flags) { … } /* Configure MUX */ static void rkisp1_config_path(struct rkisp1_isp *isp, enum v4l2_mbus_type mbus_type) { … } /* Hardware configure Entry */ static int rkisp1_config_cif(struct rkisp1_isp *isp, struct v4l2_subdev_state *sd_state, enum v4l2_mbus_type mbus_type, u32 mbus_flags) { … } static void rkisp1_isp_stop(struct rkisp1_isp *isp) { … } static void rkisp1_config_clk(struct rkisp1_isp *isp) { … } static int rkisp1_isp_start(struct rkisp1_isp *isp, const struct v4l2_subdev_state *sd_state, struct media_pad *source) { … } /* ---------------------------------------------------------------------------- * Subdev pad operations */ static inline struct rkisp1_isp *to_rkisp1_isp(struct v4l2_subdev *sd) { … } static int rkisp1_isp_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int rkisp1_isp_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static int rkisp1_isp_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state) { … } static void rkisp1_isp_set_src_fmt(struct rkisp1_isp *isp, struct v4l2_subdev_state *sd_state, struct v4l2_mbus_framefmt *format) { … } static void rkisp1_isp_set_src_crop(struct rkisp1_isp *isp, struct v4l2_subdev_state *sd_state, struct v4l2_rect *r) { … } static void rkisp1_isp_set_sink_crop(struct rkisp1_isp *isp, struct v4l2_subdev_state *sd_state, struct v4l2_rect *r) { … } static void rkisp1_isp_set_sink_fmt(struct rkisp1_isp *isp, struct v4l2_subdev_state *sd_state, struct v4l2_mbus_framefmt *format) { … } static int rkisp1_isp_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int rkisp1_isp_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int rkisp1_isp_set_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int rkisp1_subdev_link_validate(struct media_link *link) { … } static const struct v4l2_subdev_pad_ops rkisp1_isp_pad_ops = …; /* ---------------------------------------------------------------------------- * Stream operations */ static int rkisp1_isp_s_stream(struct v4l2_subdev *sd, int enable) { … } static int rkisp1_isp_subs_evt(struct v4l2_subdev *sd, struct v4l2_fh *fh, struct v4l2_event_subscription *sub) { … } static const struct media_entity_operations rkisp1_isp_media_ops = …; static const struct v4l2_subdev_video_ops rkisp1_isp_video_ops = …; static const struct v4l2_subdev_core_ops rkisp1_isp_core_ops = …; static const struct v4l2_subdev_ops rkisp1_isp_ops = …; static const struct v4l2_subdev_internal_ops rkisp1_isp_internal_ops = …; int rkisp1_isp_register(struct rkisp1_device *rkisp1) { … } void rkisp1_isp_unregister(struct rkisp1_device *rkisp1) { … } /* ---------------------------------------------------------------------------- * Interrupt handlers */ static void rkisp1_isp_queue_event_sof(struct rkisp1_isp *isp) { … } irqreturn_t rkisp1_isp_isr(int irq, void *ctx) { … }
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