diff options
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-vfe-gen1.h')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-vfe-gen1.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-gen1.h b/drivers/media/platform/qcom/camss/camss-vfe-gen1.h new file mode 100644 index 000000000..6d5f96565 --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-vfe-gen1.h @@ -0,0 +1,117 @@ +/* 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_GEN1_H +#define QC_MSM_CAMSS_VFE_GEN1_H + +#include "camss-vfe.h" + +enum vfe_line_id; +struct vfe_device; +struct vfe_line; +struct vfe_output; + +struct vfe_hw_ops_gen1 { + void (*bus_connect_wm_to_rdi)(struct vfe_device *vfe, u8 wm, enum vfe_line_id id); + void (*bus_disconnect_wm_from_rdi)(struct vfe_device *vfe, u8 wm, enum vfe_line_id id); + void (*bus_enable_wr_if)(struct vfe_device *vfe, u8 enable); + void (*bus_reload_wm)(struct vfe_device *vfe, u8 wm); + int (*camif_wait_for_stop)(struct vfe_device *vfe, struct device *dev); + void (*enable_irq_common)(struct vfe_device *vfe); + 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); + u16 (*get_ub_size)(u8 vfe_id); + void (*halt_clear)(struct vfe_device *vfe); + void (*halt_request)(struct vfe_device *vfe); + void (*set_camif_cfg)(struct vfe_device *vfe, struct vfe_line *line); + void (*set_camif_cmd)(struct vfe_device *vfe, u8 enable); + void (*set_cgc_override)(struct vfe_device *vfe, u8 wm, u8 enable); + void (*set_clamp_cfg)(struct vfe_device *vfe); + void (*set_crop_cfg)(struct vfe_device *vfe, struct vfe_line *line); + void (*set_demux_cfg)(struct vfe_device *vfe, struct vfe_line *line); + void (*set_ds)(struct vfe_device *vfe); + void (*set_module_cfg)(struct vfe_device *vfe, u8 enable); + void (*set_scale_cfg)(struct vfe_device *vfe, struct vfe_line *line); + 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 (*set_qos)(struct vfe_device *vfe); + void (*set_xbar_cfg)(struct vfe_device *vfe, struct vfe_output *output, 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_ub_cfg)(struct vfe_device *vfe, u8 wm, u16 offset, u16 depth); + void (*wm_set_subsample)(struct vfe_device *vfe, u8 wm); + 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_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 (*wm_enable)(struct vfe_device *vfe, u8 wm, u8 enable); +}; + +/* + * vfe_calc_interp_reso - Calculate interpolation mode + * @input: Input resolution + * @output: Output resolution + * + * Return interpolation mode + */ +static inline u8 vfe_calc_interp_reso(u16 input, u16 output) +{ + if (input / output >= 16) + return 0; + + if (input / output >= 8) + return 1; + + if (input / output >= 4) + return 2; + + return 3; +} + +/* + * vfe_gen1_disable - Disable streaming on VFE line + * @line: VFE line + * + * Return 0 on success or a negative error code otherwise + */ +int vfe_gen1_disable(struct vfe_line *line); + +/* + * vfe_gen1_enable - Enable VFE module + * @line: VFE line + * + * Return 0 on success + */ +int vfe_gen1_enable(struct vfe_line *line); + +/* + * vfe_gen1_enable - Halt VFE module + * @vfe: VFE device + * + * Return 0 on success + */ +int vfe_gen1_halt(struct vfe_device *vfe); + +/* + * vfe_word_per_line - Calculate number of words per frame width + * @format: V4L2 format + * @width: Frame width + * + * Return number of words per frame width + */ +int vfe_word_per_line(u32 format, u32 width); + +extern const struct vfe_isr_ops vfe_isr_ops_gen1; +extern const struct camss_video_ops vfe_video_ops_gen1; + +#endif /* QC_MSM_CAMSS_VFE_GEN1_H */ |