3  * Driver for Video Capture/Differentiation Engine (VCD) and Encoding
69  * VIDEO_CAPTURING:	a flag indicating if the VCD is capturing a frame
506 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_build_table()  local
511 		regmap_read(vcd, VCD_DIFF_TBL + (j + info->index), &value);  in npcm_video_build_table()
600 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_capres()  local
609 	regmap_write(vcd, VCD_CAP_RES, res);  in npcm_video_capres()
610 	regmap_read(vcd, VCD_CAP_RES, &cap_res);  in npcm_video_capres()
632 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_vcd_state_machine_reset()  local
634 	regmap_update_bits(vcd, VCD_MODE, VCD_MODE_VCDE, 0);  in npcm_video_vcd_state_machine_reset()
635 	regmap_update_bits(vcd, VCD_MODE, VCD_MODE_IDBC, 0);  in npcm_video_vcd_state_machine_reset()
636 	regmap_update_bits(vcd, VCD_CMD, VCD_CMD_RST, VCD_CMD_RST);  in npcm_video_vcd_state_machine_reset()
639 	 * VCD_CMD_RST will reset VCD internal state machines and clear FIFOs,  in npcm_video_vcd_state_machine_reset()
644 	regmap_write(vcd, VCD_STAT, VCD_STAT_CLEAR);  in npcm_video_vcd_state_machine_reset()
645 	regmap_update_bits(vcd, VCD_MODE, VCD_MODE_VCDE, VCD_MODE_VCDE);  in npcm_video_vcd_state_machine_reset()
646 	regmap_update_bits(vcd, VCD_MODE, VCD_MODE_IDBC, VCD_MODE_IDBC);  in npcm_video_vcd_state_machine_reset()
660 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_kvm_bw()  local
663 		regmap_update_bits(vcd, VCD_MODE, VCD_MODE_KVM_BW_SET,  in npcm_video_kvm_bw()
666 		regmap_update_bits(vcd, VCD_MODE, VCD_MODE_KVM_BW_SET, 0);  in npcm_video_kvm_bw()
717 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_set_linepitch()  local
723 	regmap_write(vcd, VCD_FB_LP, FIELD_PREP(VCD_FBA_LP, pitch) |  in npcm_video_set_linepitch()
729 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_get_linepitch()  local
732 	regmap_read(vcd, VCD_FB_LP, &linepitch);  in npcm_video_get_linepitch()
738 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_command()  local
741 	regmap_write(vcd, VCD_STAT, VCD_STAT_CLEAR);  in npcm_video_command()
742 	regmap_read(vcd, VCD_CMD, &cmd);  in npcm_video_command()
745 	regmap_write(vcd, VCD_CMD, cmd);  in npcm_video_command()
746 	regmap_update_bits(vcd, VCD_CMD, VCD_CMD_GO, VCD_CMD_GO);  in npcm_video_command()
752 	struct regmap *gcr = video->gcr_regmap, *vcd = video->vcd_regmap;  in npcm_video_init_reg()  local
769 	regmap_write(vcd, VCD_FIFO, VCD_FIFO_TH);  in npcm_video_init_reg()
772 	regmap_write(vcd, VCD_RCHG, FIELD_PREP(VCD_RCHG_TIM_PRSCL, 0xf) |  in npcm_video_init_reg()
776 	regmap_write(vcd, VCD_MODE, VCD_MODE_VCDE | VCD_MODE_CM565 |  in npcm_video_init_reg()
783 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_start_frame()  local
792 	ret = regmap_read_poll_timeout(vcd, VCD_STAT, val, !(val & VCD_STAT_BUSY),  in npcm_video_start_frame()
813 	regmap_read(vcd, VCD_HOR_AC_TIM, &val);  in npcm_video_start_frame()
814 	regmap_update_bits(vcd, VCD_HOR_AC_LST, VCD_HOR_AC_LAST,  in npcm_video_start_frame()
817 	regmap_read(vcd, VCD_VER_HI_TIM, &val);  in npcm_video_start_frame()
818 	regmap_update_bits(vcd, VCD_VER_HI_LST, VCD_VER_HI_LAST,  in npcm_video_start_frame()
821 	regmap_update_bits(vcd, VCD_INTE, VCD_INTE_DONE_IE | VCD_INTE_IFOT_IE |  in npcm_video_start_frame()
906 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_set_resolution()  local
926 	regmap_read(vcd, VCD_MODE, &mode);  in npcm_video_set_resolution()
928 	dev_dbg(video->dev, "VCD mode = 0x%x, %s mode\n", mode,  in npcm_video_set_resolution()
944 		dev_err(video->dev, "Failed to allocate VCD frame buffer\n");  in npcm_video_start()
971 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_stop()  local
975 	regmap_write(vcd, VCD_INTE, 0);  in npcm_video_stop()
976 	regmap_write(vcd, VCD_MODE, 0);  in npcm_video_stop()
977 	regmap_write(vcd, VCD_RCHG, 0);  in npcm_video_stop()
978 	regmap_write(vcd, VCD_STAT, VCD_STAT_CLEAR);  in npcm_video_stop()
1050 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_irq()  local
1060 	regmap_read(vcd, VCD_STAT, &status);  in npcm_video_irq()
1061 	dev_dbg(video->dev, "VCD irq status 0x%x\n", status);  in npcm_video_irq()
1063 	regmap_write(vcd, VCD_STAT, VCD_STAT_CLEAR);  in npcm_video_irq()
1070 		regmap_write(vcd, VCD_INTE, 0);  in npcm_video_irq()
1121 		dev_warn(video->dev, "VCD FIFO overrun or over thresholds\n");  in npcm_video_irq()
1492 	struct regmap *vcd = video->vcd_regmap;  in npcm_video_stop_streaming()  local
1495 	regmap_write(vcd, VCD_INTE, 0);  in npcm_video_stop_streaming()
1496 	regmap_write(vcd, VCD_STAT, VCD_STAT_CLEAR);  in npcm_video_stop_streaming()
1706 		dev_err(dev, "Failed to find VCD IRQ\n");  in npcm_video_init()
1749 		dev_err(&pdev->dev, "Failed to parse VCD reg in DTS\n");  in npcm_video_probe()
1756 		dev_err(&pdev->dev, "Failed to initialize VCD regmap\n");  in npcm_video_probe()
1762 		dev_err(&pdev->dev, "Failed to get VCD reset control in DTS\n");  in npcm_video_probe()
1804 	{ .compatible = "nuvoton,npcm750-vcd" },
1805 	{ .compatible = "nuvoton,npcm845-vcd" },