diff options
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-vfe.h')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-vfe.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.h b/drivers/media/platform/qcom/camss/camss-vfe.h new file mode 100644 index 000000000000..0d10071ae881 --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-vfe.h @@ -0,0 +1,186 @@ +/* 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; + const struct vfe_format *formats; + unsigned int nformats; +}; + +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 (*set_realign_cfg)(struct vfe_device *vfe, struct vfe_line *line, + u8 enable); + 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_ds)(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; +extern const struct vfe_hw_ops vfe_ops_4_7; + +#endif /* QC_MSM_CAMSS_VFE_H */ |