3  * Rockchip ISP1 Driver - ISP Subdevice
27  * This is because ISP Subdev describes not only ISP submodule (input size,
37  * Cropping regions of ISP
65 static void rkisp1_config_ism(struct rkisp1_isp *isp,  in rkisp1_config_ism()  argument
71 	struct rkisp1_device *rkisp1 = isp->rkisp1;  in rkisp1_config_ism()
91  * configure ISP blocks with input format, size......
93 static int rkisp1_config_isp(struct rkisp1_isp *isp,  in rkisp1_config_isp()  argument
97 	struct rkisp1_device *rkisp1 = isp->rkisp1;  in rkisp1_config_isp()
189 	/* ISP Out Area */  in rkisp1_config_isp()
211 	isp->sink_fmt = sink_fmt;  in rkisp1_config_isp()
217 static void rkisp1_config_path(struct rkisp1_isp *isp,  in rkisp1_config_path()  argument
220 	struct rkisp1_device *rkisp1 = isp->rkisp1;  in rkisp1_config_path()
232 static int rkisp1_config_cif(struct rkisp1_isp *isp,  in rkisp1_config_cif()  argument
238 	ret = rkisp1_config_isp(isp, sd_state, mbus_type, mbus_flags);  in rkisp1_config_cif()
242 	rkisp1_config_path(isp, mbus_type);  in rkisp1_config_cif()
243 	rkisp1_config_ism(isp, sd_state);  in rkisp1_config_cif()
248 static void rkisp1_isp_stop(struct rkisp1_isp *isp)  in rkisp1_isp_stop()  argument
250 	struct rkisp1_device *rkisp1 = isp->rkisp1;  in rkisp1_isp_stop()
254 	 * ISP(mi) stop in mi frame end -> Stop ISP(mipi) ->  in rkisp1_isp_stop()
255 	 * Stop ISP(isp) ->wait for ISP isp off  in rkisp1_isp_stop()
258 	/* Mask MI and ISP interrupts */  in rkisp1_isp_stop()
267 	 * even after this, but it will return immediately as the MI and ISP  in rkisp1_isp_stop()
274 	/* Clear MI and ISP interrupt status */  in rkisp1_isp_stop()
278 	/* stop ISP */  in rkisp1_isp_stop()
296 static void rkisp1_config_clk(struct rkisp1_isp *isp)  in rkisp1_config_clk()  argument
298 	struct rkisp1_device *rkisp1 = isp->rkisp1;  in rkisp1_config_clk()
318 static void rkisp1_isp_start(struct rkisp1_isp *isp,  in rkisp1_isp_start()  argument
321 	struct rkisp1_device *rkisp1 = isp->rkisp1;  in rkisp1_isp_start()
326 	rkisp1_config_clk(isp);  in rkisp1_isp_start()
328 	/* Activate ISP */  in rkisp1_isp_start()
478 static void rkisp1_isp_set_src_fmt(struct rkisp1_isp *isp,  in rkisp1_isp_set_src_fmt()  argument
497 	 * Media bus code. The ISP can operate in pass-through mode (Bayer in,  in rkisp1_isp_set_src_fmt()
541 	 * ISP is bypassed in that case and passes YUV data through without  in rkisp1_isp_set_src_fmt()
546 	 * hardware blocks are conveyed through the ISP parameters buffer, as  in rkisp1_isp_set_src_fmt()
579 static void rkisp1_isp_set_src_crop(struct rkisp1_isp *isp,  in rkisp1_isp_set_src_crop()  argument
603 	rkisp1_isp_set_src_fmt(isp, sd_state, src_fmt);  in rkisp1_isp_set_src_crop()
606 static void rkisp1_isp_set_sink_crop(struct rkisp1_isp *isp,  in rkisp1_isp_set_sink_crop()  argument
629 	rkisp1_isp_set_src_crop(isp, sd_state, src_crop);  in rkisp1_isp_set_sink_crop()
632 static void rkisp1_isp_set_sink_fmt(struct rkisp1_isp *isp,  in rkisp1_isp_set_sink_fmt()  argument
692 	rkisp1_isp_set_sink_crop(isp, sd_state, sink_crop);  in rkisp1_isp_set_sink_fmt()
699 	struct rkisp1_isp *isp = to_rkisp1_isp(sd);  in rkisp1_isp_set_fmt()  local
702 		rkisp1_isp_set_sink_fmt(isp, sd_state, &fmt->format);  in rkisp1_isp_set_fmt()
704 		rkisp1_isp_set_src_fmt(isp, sd_state, &fmt->format);  in rkisp1_isp_set_fmt()
754 	struct rkisp1_isp *isp = to_rkisp1_isp(sd);  in rkisp1_isp_set_selection()  local
760 	dev_dbg(isp->rkisp1->dev, "%s: pad: %d sel(%d,%d)/%dx%d\n", __func__,  in rkisp1_isp_set_selection()
764 		rkisp1_isp_set_sink_crop(isp, sd_state, &sel->r);  in rkisp1_isp_set_selection()
766 		rkisp1_isp_set_src_crop(isp, sd_state, &sel->r);  in rkisp1_isp_set_selection()
797 	struct rkisp1_isp *isp = to_rkisp1_isp(sd);  in rkisp1_isp_s_stream()  local
798 	struct rkisp1_device *rkisp1 = isp->rkisp1;  in rkisp1_isp_s_stream()
808 		rkisp1_isp_stop(isp);  in rkisp1_isp_s_stream()
812 	sink_pad = &isp->pads[RKISP1_ISP_PAD_SINK_VIDEO];  in rkisp1_isp_s_stream()
815 		dev_dbg(rkisp1->dev, "Failed to get source for ISP: %ld\n",  in rkisp1_isp_s_stream()
843 	isp->frame_sequence = -1;  in rkisp1_isp_s_stream()
847 	ret = rkisp1_config_cif(isp, sd_state, mbus_type, mbus_flags);  in rkisp1_isp_s_stream()
851 	rkisp1_isp_start(isp, sd_state);  in rkisp1_isp_s_stream()
855 		rkisp1_isp_stop(isp);  in rkisp1_isp_s_stream()
902 	struct rkisp1_isp *isp = &rkisp1->isp;  in rkisp1_isp_register()  local
903 	struct media_pad *pads = isp->pads;  in rkisp1_isp_register()
904 	struct v4l2_subdev *sd = &isp->sd;  in rkisp1_isp_register()
907 	isp->rkisp1 = rkisp1;  in rkisp1_isp_register()
933 		dev_err(rkisp1->dev, "Failed to register isp subdev\n");  in rkisp1_isp_register()
943 	isp->sd.v4l2_dev = NULL;  in rkisp1_isp_register()
949 	struct rkisp1_isp *isp = &rkisp1->isp;  in rkisp1_isp_unregister()  local
951 	if (!isp->sd.v4l2_dev)  in rkisp1_isp_unregister()
954 	v4l2_device_unregister_subdev(&isp->sd);  in rkisp1_isp_unregister()
955 	v4l2_subdev_cleanup(&isp->sd);  in rkisp1_isp_unregister()
956 	media_entity_cleanup(&isp->sd.entity);  in rkisp1_isp_unregister()
963 static void rkisp1_isp_queue_event_sof(struct rkisp1_isp *isp)  in rkisp1_isp_queue_event_sof()  argument
969 	event.u.frame_sync.frame_sequence = isp->frame_sequence;  in rkisp1_isp_queue_event_sof()
970 	v4l2_event_queue(isp->sd.devnode, &event);  in rkisp1_isp_queue_event_sof()
990 		rkisp1->isp.frame_sequence++;  in rkisp1_isp_isr()
991 		rkisp1_isp_queue_event_sof(&rkisp1->isp);  in rkisp1_isp_isr()