| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * TI OMAP4 ISS V4L2 Driver - ISP IPIPEIF module |
| * |
| * Copyright (C) 2012 Texas Instruments, Inc. |
| * |
| * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> |
| */ |
| |
| #ifndef OMAP4_ISS_IPIPEIF_H |
| #define OMAP4_ISS_IPIPEIF_H |
| |
| #include "iss_video.h" |
| |
| enum ipipeif_input_entity { |
| IPIPEIF_INPUT_NONE, |
| IPIPEIF_INPUT_CSI2A, |
| IPIPEIF_INPUT_CSI2B |
| }; |
| |
| #define IPIPEIF_OUTPUT_MEMORY BIT(0) |
| #define IPIPEIF_OUTPUT_VP BIT(1) |
| |
| /* Sink and source IPIPEIF pads */ |
| #define IPIPEIF_PAD_SINK 0 |
| #define IPIPEIF_PAD_SOURCE_ISIF_SF 1 |
| #define IPIPEIF_PAD_SOURCE_VP 2 |
| #define IPIPEIF_PADS_NUM 3 |
| |
| /* |
| * struct iss_ipipeif_device - Structure for the IPIPEIF module to store its own |
| * information |
| * @subdev: V4L2 subdevice |
| * @pads: Sink and source media entity pads |
| * @formats: Active video formats |
| * @input: Active input |
| * @output: Active outputs |
| * @video_out: Output video node |
| * @error: A hardware error occurred during capture |
| * @alaw: A-law compression enabled (1) or disabled (0) |
| * @lpf: Low pass filter enabled (1) or disabled (0) |
| * @obclamp: Optical-black clamp enabled (1) or disabled (0) |
| * @fpc_en: Faulty pixels correction enabled (1) or disabled (0) |
| * @blcomp: Black level compensation configuration |
| * @clamp: Optical-black or digital clamp configuration |
| * @fpc: Faulty pixels correction configuration |
| * @lsc: Lens shading compensation configuration |
| * @update: Bitmask of controls to update during the next interrupt |
| * @shadow_update: Controls update in progress by userspace |
| * @syncif: Interface synchronization configuration |
| * @vpcfg: Video port configuration |
| * @underrun: A buffer underrun occurred and a new buffer has been queued |
| * @state: Streaming state |
| * @lock: Serializes shadow_update with interrupt handler |
| * @wait: Wait queue used to stop the module |
| * @stopping: Stopping state |
| * @ioctl_lock: Serializes ioctl calls and LSC requests freeing |
| */ |
| struct iss_ipipeif_device { |
| struct v4l2_subdev subdev; |
| struct media_pad pads[IPIPEIF_PADS_NUM]; |
| struct v4l2_mbus_framefmt formats[IPIPEIF_PADS_NUM]; |
| |
| enum ipipeif_input_entity input; |
| unsigned int output; |
| struct iss_video video_out; |
| unsigned int error; |
| |
| enum iss_pipeline_stream_state state; |
| wait_queue_head_t wait; |
| atomic_t stopping; |
| }; |
| |
| struct iss_device; |
| |
| int omap4iss_ipipeif_init(struct iss_device *iss); |
| int omap4iss_ipipeif_create_links(struct iss_device *iss); |
| void omap4iss_ipipeif_cleanup(struct iss_device *iss); |
| int omap4iss_ipipeif_register_entities(struct iss_ipipeif_device *ipipeif, |
| struct v4l2_device *vdev); |
| void omap4iss_ipipeif_unregister_entities(struct iss_ipipeif_device *ipipeif); |
| |
| int omap4iss_ipipeif_busy(struct iss_ipipeif_device *ipipeif); |
| void omap4iss_ipipeif_isr(struct iss_ipipeif_device *ipipeif, u32 events); |
| void omap4iss_ipipeif_restore_context(struct iss_device *iss); |
| void omap4iss_ipipeif_max_rate(struct iss_ipipeif_device *ipipeif, |
| unsigned int *max_rate); |
| |
| #endif /* OMAP4_ISS_IPIPEIF_H */ |
