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