187 lines
5.8 KiB
C
187 lines
5.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* camss-vfe.h
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*
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* Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module
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*
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* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
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* Copyright (C) 2015-2018 Linaro Ltd.
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*/
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#ifndef QC_MSM_CAMSS_VFE_H
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#define QC_MSM_CAMSS_VFE_H
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#include <linux/clk.h>
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#include <linux/spinlock_types.h>
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#include <media/media-entity.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-subdev.h>
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#include "camss-video.h"
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#define MSM_VFE_PAD_SINK 0
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#define MSM_VFE_PAD_SRC 1
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#define MSM_VFE_PADS_NUM 2
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#define MSM_VFE_LINE_NUM 4
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#define MSM_VFE_IMAGE_MASTERS_NUM 7
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#define MSM_VFE_COMPOSITE_IRQ_NUM 4
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enum vfe_output_state {
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VFE_OUTPUT_OFF,
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VFE_OUTPUT_RESERVED,
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VFE_OUTPUT_SINGLE,
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VFE_OUTPUT_CONTINUOUS,
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VFE_OUTPUT_IDLE,
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VFE_OUTPUT_STOPPING
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};
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enum vfe_line_id {
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VFE_LINE_NONE = -1,
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VFE_LINE_RDI0 = 0,
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VFE_LINE_RDI1 = 1,
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VFE_LINE_RDI2 = 2,
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VFE_LINE_PIX = 3
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};
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struct vfe_output {
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u8 wm_num;
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u8 wm_idx[3];
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int active_buf;
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struct camss_buffer *buf[2];
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struct camss_buffer *last_buffer;
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struct list_head pending_bufs;
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unsigned int drop_update_idx;
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enum vfe_output_state state;
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unsigned int sequence;
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int wait_sof;
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int wait_reg_update;
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struct completion sof;
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struct completion reg_update;
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};
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struct vfe_line {
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enum vfe_line_id id;
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struct v4l2_subdev subdev;
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struct media_pad pads[MSM_VFE_PADS_NUM];
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struct v4l2_mbus_framefmt fmt[MSM_VFE_PADS_NUM];
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struct v4l2_rect compose;
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struct v4l2_rect crop;
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struct camss_video video_out;
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struct vfe_output output;
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const struct vfe_format *formats;
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unsigned int nformats;
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};
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struct vfe_device;
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struct vfe_hw_ops {
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void (*hw_version_read)(struct vfe_device *vfe, struct device *dev);
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u16 (*get_ub_size)(u8 vfe_id);
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void (*global_reset)(struct vfe_device *vfe);
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void (*halt_request)(struct vfe_device *vfe);
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void (*halt_clear)(struct vfe_device *vfe);
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void (*wm_enable)(struct vfe_device *vfe, u8 wm, u8 enable);
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void (*wm_frame_based)(struct vfe_device *vfe, u8 wm, u8 enable);
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void (*wm_line_based)(struct vfe_device *vfe, u32 wm,
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struct v4l2_pix_format_mplane *pix,
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u8 plane, u32 enable);
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void (*wm_set_framedrop_period)(struct vfe_device *vfe, u8 wm, u8 per);
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void (*wm_set_framedrop_pattern)(struct vfe_device *vfe, u8 wm,
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u32 pattern);
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void (*wm_set_ub_cfg)(struct vfe_device *vfe, u8 wm, u16 offset,
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u16 depth);
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void (*bus_reload_wm)(struct vfe_device *vfe, u8 wm);
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void (*wm_set_ping_addr)(struct vfe_device *vfe, u8 wm, u32 addr);
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void (*wm_set_pong_addr)(struct vfe_device *vfe, u8 wm, u32 addr);
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int (*wm_get_ping_pong_status)(struct vfe_device *vfe, u8 wm);
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void (*bus_enable_wr_if)(struct vfe_device *vfe, u8 enable);
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void (*bus_connect_wm_to_rdi)(struct vfe_device *vfe, u8 wm,
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enum vfe_line_id id);
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void (*wm_set_subsample)(struct vfe_device *vfe, u8 wm);
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void (*bus_disconnect_wm_from_rdi)(struct vfe_device *vfe, u8 wm,
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enum vfe_line_id id);
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void (*set_xbar_cfg)(struct vfe_device *vfe, struct vfe_output *output,
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u8 enable);
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void (*set_rdi_cid)(struct vfe_device *vfe, enum vfe_line_id id,
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u8 cid);
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void (*set_realign_cfg)(struct vfe_device *vfe, struct vfe_line *line,
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u8 enable);
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void (*reg_update)(struct vfe_device *vfe, enum vfe_line_id line_id);
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void (*reg_update_clear)(struct vfe_device *vfe,
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enum vfe_line_id line_id);
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void (*enable_irq_wm_line)(struct vfe_device *vfe, u8 wm,
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enum vfe_line_id line_id, u8 enable);
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void (*enable_irq_pix_line)(struct vfe_device *vfe, u8 comp,
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enum vfe_line_id line_id, u8 enable);
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void (*enable_irq_common)(struct vfe_device *vfe);
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void (*set_demux_cfg)(struct vfe_device *vfe, struct vfe_line *line);
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void (*set_scale_cfg)(struct vfe_device *vfe, struct vfe_line *line);
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void (*set_crop_cfg)(struct vfe_device *vfe, struct vfe_line *line);
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void (*set_clamp_cfg)(struct vfe_device *vfe);
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void (*set_qos)(struct vfe_device *vfe);
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void (*set_ds)(struct vfe_device *vfe);
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void (*set_cgc_override)(struct vfe_device *vfe, u8 wm, u8 enable);
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void (*set_camif_cfg)(struct vfe_device *vfe, struct vfe_line *line);
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void (*set_camif_cmd)(struct vfe_device *vfe, u8 enable);
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void (*set_module_cfg)(struct vfe_device *vfe, u8 enable);
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int (*camif_wait_for_stop)(struct vfe_device *vfe, struct device *dev);
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void (*isr_read)(struct vfe_device *vfe, u32 *value0, u32 *value1);
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void (*violation_read)(struct vfe_device *vfe);
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irqreturn_t (*isr)(int irq, void *dev);
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};
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struct vfe_isr_ops {
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void (*reset_ack)(struct vfe_device *vfe);
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void (*halt_ack)(struct vfe_device *vfe);
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void (*reg_update)(struct vfe_device *vfe, enum vfe_line_id line_id);
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void (*sof)(struct vfe_device *vfe, enum vfe_line_id line_id);
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void (*comp_done)(struct vfe_device *vfe, u8 comp);
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void (*wm_done)(struct vfe_device *vfe, u8 wm);
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};
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struct vfe_device {
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struct camss *camss;
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u8 id;
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void __iomem *base;
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u32 irq;
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char irq_name[30];
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struct camss_clock *clock;
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int nclocks;
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struct completion reset_complete;
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struct completion halt_complete;
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struct mutex power_lock;
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int power_count;
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struct mutex stream_lock;
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int stream_count;
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spinlock_t output_lock;
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enum vfe_line_id wm_output_map[MSM_VFE_IMAGE_MASTERS_NUM];
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struct vfe_line line[MSM_VFE_LINE_NUM];
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u32 reg_update;
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u8 was_streaming;
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const struct vfe_hw_ops *ops;
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struct vfe_isr_ops isr_ops;
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};
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struct resources;
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int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
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const struct resources *res, u8 id);
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int msm_vfe_register_entities(struct vfe_device *vfe,
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struct v4l2_device *v4l2_dev);
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void msm_vfe_unregister_entities(struct vfe_device *vfe);
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void msm_vfe_get_vfe_id(struct media_entity *entity, u8 *id);
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void msm_vfe_get_vfe_line_id(struct media_entity *entity, enum vfe_line_id *id);
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void msm_vfe_stop_streaming(struct vfe_device *vfe);
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extern const struct vfe_hw_ops vfe_ops_4_1;
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extern const struct vfe_hw_ops vfe_ops_4_7;
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#endif /* QC_MSM_CAMSS_VFE_H */
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