3  * V4L2 Capture ISI subdev driver for i.MX8QXP/QM platform
5  * ISI is a Image Sensor Interface of i.MX8QXP/QM platform, which
26 #include "imx8-isi-core.h"
27 #include "imx8-isi-regs.h"
30  * While the ISI receives data from the gasket on a 3x12-bit bus, the pipeline
32  * subdev between the CSIS and the ISI. We thus need to expose media bus codes
237 	struct mxc_isi_crossbar *xbar = &pipe->isi->crossbar;  in mxc_isi_pipe_enable()
283 	/* Configure the ISI channel. */  in mxc_isi_pipe_enable()
294 		dev_err(pipe->isi->dev, "Failed to enable pipe %u\n",  in mxc_isi_pipe_enable()
304 	struct mxc_isi_crossbar *xbar = &pipe->isi->crossbar;  in mxc_isi_pipe_disable()
310 		dev_err(pipe->isi->dev, "Failed to disable pipe %u\n",  in mxc_isi_pipe_disable()
418 			 * For RGB or YUV formats, the ISI supports format  in mxc_isi_pipe_enum_mbus_code()
476 		max_width = pipe->id == pipe->isi->pdata->num_channels - 1  in mxc_isi_pipe_set_fmt()
505 		 * For RGB or YUV formats, the ISI supports RGB <-> YUV format  in mxc_isi_pipe_set_fmt()
539 	dev_dbg(pipe->isi->dev, "pad%u: code: 0x%04x, %ux%u",  in mxc_isi_pipe_set_fmt()
677 	dev_dbg(pipe->isi->dev, "%s, target %#x: (%d,%d)/%dx%d", __func__,  in mxc_isi_pipe_set_selection()
704 	const struct mxc_isi_ier_reg *ier_reg = pipe->isi->pdata->ier_reg;  in mxc_isi_pipe_irq_handler()
717 		dev_dbg(pipe->isi->dev, "%s: IRQ AXI Error stat=0x%X\n",  in mxc_isi_pipe_irq_handler()
723 		dev_dbg(pipe->isi->dev, "%s: IRQ Panic OFLW Error stat=0x%X\n",  in mxc_isi_pipe_irq_handler()
729 		dev_dbg(pipe->isi->dev, "%s: IRQ OFLW Error stat=0x%X\n",  in mxc_isi_pipe_irq_handler()
735 		dev_dbg(pipe->isi->dev, "%s: IRQ EXCS OFLW Error stat=0x%X\n",  in mxc_isi_pipe_irq_handler()
749 int mxc_isi_pipe_init(struct mxc_isi_dev *isi, unsigned int id)  in mxc_isi_pipe_init()  argument
751 	struct mxc_isi_pipe *pipe = &isi->pipes[id];  in mxc_isi_pipe_init()
757 	pipe->isi = isi;  in mxc_isi_pipe_init()
758 	pipe->regs = isi->regs + id * isi->pdata->reg_offset;  in mxc_isi_pipe_init()
772 	sd->dev = isi->dev;  in mxc_isi_pipe_init()
792 	irq = platform_get_irq(to_platform_device(isi->dev), id);  in mxc_isi_pipe_init()
798 	ret = devm_request_irq(isi->dev, irq, mxc_isi_pipe_irq_handler,  in mxc_isi_pipe_init()
799 			       0, dev_name(isi->dev), pipe);  in mxc_isi_pipe_init()
801 		dev_err(isi->dev, "failed to request IRQ (%d)\n", ret);  in mxc_isi_pipe_init()