7  * This generic Synopsys DesignWare MIPI DSI host driver is based on the
8  * Rockchip version from rockchip/dw-mipi-dsi.c with phy & bridge APIs.
226 #define VPG_DEFS(name, dsi) \  argument
227 	((void __force *)&((*dsi).vpg_defs.name))
229 #define REGISTER(name, mask, dsi) \  argument
230 	{ #name, VPG_DEFS(name, dsi), mask, dsi }
236 	struct dw_mipi_dsi			*dsi;  member
266 	struct dw_mipi_dsi *master; /* dual-dsi master ptr */
267 	struct dw_mipi_dsi *slave; /* dual-dsi slave ptr */
275 static inline bool dw_mipi_is_dual_mode(struct dw_mipi_dsi *dsi)  in dw_mipi_is_dual_mode()  argument
277 	return dsi->slave || dsi->master;  in dw_mipi_is_dual_mode()
303 static inline void dsi_write(struct dw_mipi_dsi *dsi, u32 reg, u32 val)  in dsi_write()  argument
305 	writel(val, dsi->base + reg);  in dsi_write()
308 static inline u32 dsi_read(struct dw_mipi_dsi *dsi, u32 reg)  in dsi_read()  argument
310 	return readl(dsi->base + reg);  in dsi_read()
313 static int dw_mipi_dsi_panel_or_bridge(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_panel_or_bridge()  argument
331 	dsi->panel_bridge = bridge;  in dw_mipi_dsi_panel_or_bridge()
333 	if (!dsi->panel_bridge)  in dw_mipi_dsi_panel_or_bridge()
342 	struct dw_mipi_dsi *dsi = host_to_dsi(host);  in dw_mipi_dsi_host_attach()  local
343 	const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data;  in dw_mipi_dsi_host_attach()
346 	if (device->lanes > dsi->plat_data->max_data_lanes) {  in dw_mipi_dsi_host_attach()
347 		dev_err(dsi->dev, "the number of data lanes(%u) is too many\n",  in dw_mipi_dsi_host_attach()
352 	dsi->lanes = device->lanes;  in dw_mipi_dsi_host_attach()
353 	dsi->channel = device->channel;  in dw_mipi_dsi_host_attach()
354 	dsi->format = device->format;  in dw_mipi_dsi_host_attach()
355 	dsi->mode_flags = device->mode_flags;  in dw_mipi_dsi_host_attach()
357 	if (!dsi->device_found) {  in dw_mipi_dsi_host_attach()
358 		ret = dw_mipi_dsi_panel_or_bridge(dsi, host->dev->of_node);  in dw_mipi_dsi_host_attach()
362 		dsi->device_found = true;  in dw_mipi_dsi_host_attach()
377 	struct dw_mipi_dsi *dsi = host_to_dsi(host);  in dw_mipi_dsi_host_detach()  local
378 	const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data;  in dw_mipi_dsi_host_detach()
389 	drm_bridge_remove(&dsi->bridge);  in dw_mipi_dsi_host_detach()
394 static void dw_mipi_message_config(struct dw_mipi_dsi *dsi,  in dw_mipi_message_config()  argument
406 	dsi_write(dsi, DSI_DPI_LP_CMD_TIM, OUTVACT_LPCMD_TIME(16)  in dw_mipi_message_config()
414 	dsi_write(dsi, DSI_CMD_MODE_CFG, val);  in dw_mipi_message_config()
416 	val = dsi_read(dsi, DSI_VID_MODE_CFG);  in dw_mipi_message_config()
421 	dsi_write(dsi, DSI_VID_MODE_CFG, val);  in dw_mipi_message_config()
424 static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)  in dw_mipi_dsi_gen_pkt_hdr_write()  argument
429 	ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_gen_pkt_hdr_write()
433 		dev_err(dsi->dev, "failed to get available command FIFO\n");  in dw_mipi_dsi_gen_pkt_hdr_write()
437 	dsi_write(dsi, DSI_GEN_HDR, hdr_val);  in dw_mipi_dsi_gen_pkt_hdr_write()
440 	ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_gen_pkt_hdr_write()
444 		dev_err(dsi->dev, "failed to write command FIFO\n");  in dw_mipi_dsi_gen_pkt_hdr_write()
451 static int dw_mipi_dsi_write(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_write()  argument
463 			dsi_write(dsi, DSI_GEN_PLD_DATA, le32_to_cpu(word));  in dw_mipi_dsi_write()
467 			dsi_write(dsi, DSI_GEN_PLD_DATA, le32_to_cpu(word));  in dw_mipi_dsi_write()
472 		ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_write()
476 			dev_err(dsi->dev,  in dw_mipi_dsi_write()
484 	return dw_mipi_dsi_gen_pkt_hdr_write(dsi, le32_to_cpu(word));  in dw_mipi_dsi_write()
487 static int dw_mipi_dsi_read(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_read()  argument
495 	ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_read()
499 		dev_err(dsi->dev, "Timeout during read operation\n");  in dw_mipi_dsi_read()
505 		ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_read()
509 			dev_err(dsi->dev, "Read payload FIFO is empty\n");  in dw_mipi_dsi_read()
513 		val = dsi_read(dsi, DSI_GEN_PLD_DATA);  in dw_mipi_dsi_read()
524 	struct dw_mipi_dsi *dsi = host_to_dsi(host);  in dw_mipi_dsi_host_transfer()  local
530 		dev_err(dsi->dev, "failed to create packet: %d\n", ret);  in dw_mipi_dsi_host_transfer()
534 	dw_mipi_message_config(dsi, msg);  in dw_mipi_dsi_host_transfer()
535 	if (dsi->slave)  in dw_mipi_dsi_host_transfer()
536 		dw_mipi_message_config(dsi->slave, msg);  in dw_mipi_dsi_host_transfer()
538 	ret = dw_mipi_dsi_write(dsi, &packet);  in dw_mipi_dsi_host_transfer()
541 	if (dsi->slave) {  in dw_mipi_dsi_host_transfer()
542 		ret = dw_mipi_dsi_write(dsi->slave, &packet);  in dw_mipi_dsi_host_transfer()
548 		ret = dw_mipi_dsi_read(dsi, msg);  in dw_mipi_dsi_host_transfer()
565 static void dw_mipi_dsi_video_mode_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_video_mode_config()  argument
576 	if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST)  in dw_mipi_dsi_video_mode_config()
578 	else if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)  in dw_mipi_dsi_video_mode_config()
584 	if (dsi->vpg_defs.vpg) {  in dw_mipi_dsi_video_mode_config()
586 		val |= dsi->vpg_defs.vpg_horizontal ?  in dw_mipi_dsi_video_mode_config()
588 		val |= dsi->vpg_defs.vpg_ber_pattern ? VID_MODE_VPG_MODE : 0;  in dw_mipi_dsi_video_mode_config()
592 	dsi_write(dsi, DSI_VID_MODE_CFG, val);  in dw_mipi_dsi_video_mode_config()
595 static void dw_mipi_dsi_set_mode(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_set_mode()  argument
600 	dsi_write(dsi, DSI_PWR_UP, RESET);  in dw_mipi_dsi_set_mode()
603 		dsi_write(dsi, DSI_MODE_CFG, ENABLE_VIDEO_MODE);  in dw_mipi_dsi_set_mode()
604 		dw_mipi_dsi_video_mode_config(dsi);  in dw_mipi_dsi_set_mode()
606 		dsi_write(dsi, DSI_MODE_CFG, ENABLE_CMD_MODE);  in dw_mipi_dsi_set_mode()
610 	if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)  in dw_mipi_dsi_set_mode()
612 	dsi_write(dsi, DSI_LPCLK_CTRL, val);  in dw_mipi_dsi_set_mode()
614 	dsi_write(dsi, DSI_PWR_UP, POWERUP);  in dw_mipi_dsi_set_mode()
617 static void dw_mipi_dsi_disable(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_disable()  argument
619 	dsi_write(dsi, DSI_PWR_UP, RESET);  in dw_mipi_dsi_disable()
620 	dsi_write(dsi, DSI_PHY_RSTZ, PHY_RSTZ);  in dw_mipi_dsi_disable()
623 static void dw_mipi_dsi_init(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_init()  argument
625 	const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops;  in dw_mipi_dsi_init()
635 		ret = phy_ops->get_esc_clk_rate(dsi->plat_data->priv_data,  in dw_mipi_dsi_init()
648 	esc_clk_division = (dsi->lane_mbps >> 3) / esc_rate + 1;  in dw_mipi_dsi_init()
650 	dsi_write(dsi, DSI_PWR_UP, RESET);  in dw_mipi_dsi_init()
657 	dsi_write(dsi, DSI_CLKMGR_CFG, TO_CLK_DIVISION(10) |  in dw_mipi_dsi_init()
661 static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_dpi_config()  argument
666 	switch (dsi->format) {  in dw_mipi_dsi_dpi_config()
686 	dsi_write(dsi, DSI_DPI_VCID, DPI_VCID(dsi->channel));  in dw_mipi_dsi_dpi_config()
687 	dsi_write(dsi, DSI_DPI_COLOR_CODING, color);  in dw_mipi_dsi_dpi_config()
688 	dsi_write(dsi, DSI_DPI_CFG_POL, val);  in dw_mipi_dsi_dpi_config()
691 static void dw_mipi_dsi_packet_handler_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_packet_handler_config()  argument
693 	dsi_write(dsi, DSI_PCKHDL_CFG, CRC_RX_EN | ECC_RX_EN | BTA_EN);  in dw_mipi_dsi_packet_handler_config()
696 static void dw_mipi_dsi_video_packet_config(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_video_packet_config()  argument
707 	dsi_write(dsi, DSI_VID_PKT_SIZE,  in dw_mipi_dsi_video_packet_config()
708 		       dw_mipi_is_dual_mode(dsi) ?  in dw_mipi_dsi_video_packet_config()
713 static void dw_mipi_dsi_command_mode_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_command_mode_config()  argument
720 	dsi_write(dsi, DSI_TO_CNT_CFG, HSTX_TO_CNT(1000) | LPRX_TO_CNT(1000));  in dw_mipi_dsi_command_mode_config()
726 	dsi_write(dsi, DSI_BTA_TO_CNT, 0xd00);  in dw_mipi_dsi_command_mode_config()
727 	dsi_write(dsi, DSI_MODE_CFG, ENABLE_CMD_MODE);  in dw_mipi_dsi_command_mode_config()
731 static u32 dw_mipi_dsi_get_hcomponent_lbcc(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_get_hcomponent_lbcc()  argument
737 	lbcc = hcomponent * dsi->lane_mbps * MSEC_PER_SEC / 8;  in dw_mipi_dsi_get_hcomponent_lbcc()
747 static void dw_mipi_dsi_line_timer_config(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_line_timer_config()  argument
760 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, htotal);  in dw_mipi_dsi_line_timer_config()
761 	dsi_write(dsi, DSI_VID_HLINE_TIME, lbcc);  in dw_mipi_dsi_line_timer_config()
763 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hsa);  in dw_mipi_dsi_line_timer_config()
764 	dsi_write(dsi, DSI_VID_HSA_TIME, lbcc);  in dw_mipi_dsi_line_timer_config()
766 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hbp);  in dw_mipi_dsi_line_timer_config()
767 	dsi_write(dsi, DSI_VID_HBP_TIME, lbcc);  in dw_mipi_dsi_line_timer_config()
770 static void dw_mipi_dsi_vertical_timing_config(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_vertical_timing_config()  argument
780 	dsi_write(dsi, DSI_VID_VACTIVE_LINES, vactive);  in dw_mipi_dsi_vertical_timing_config()
781 	dsi_write(dsi, DSI_VID_VSA_LINES, vsa);  in dw_mipi_dsi_vertical_timing_config()
782 	dsi_write(dsi, DSI_VID_VFP_LINES, vfp);  in dw_mipi_dsi_vertical_timing_config()
783 	dsi_write(dsi, DSI_VID_VBP_LINES, vbp);  in dw_mipi_dsi_vertical_timing_config()
786 static void dw_mipi_dsi_dphy_timing_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_dphy_timing_config()  argument
788 	const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops;  in dw_mipi_dsi_dphy_timing_config()
793 	ret = phy_ops->get_timing(dsi->plat_data->priv_data,  in dw_mipi_dsi_dphy_timing_config()
794 				  dsi->lane_mbps, &timing);  in dw_mipi_dsi_dphy_timing_config()
796 		DRM_DEV_ERROR(dsi->dev, "Retrieving phy timings failed\n");  in dw_mipi_dsi_dphy_timing_config()
806 	hw_version = dsi_read(dsi, DSI_VERSION) & VERSION;  in dw_mipi_dsi_dphy_timing_config()
809 		dsi_write(dsi, DSI_PHY_TMR_CFG,  in dw_mipi_dsi_dphy_timing_config()
812 		dsi_write(dsi, DSI_PHY_TMR_RD_CFG, MAX_RD_TIME_V131(10000));  in dw_mipi_dsi_dphy_timing_config()
814 		dsi_write(dsi, DSI_PHY_TMR_CFG,  in dw_mipi_dsi_dphy_timing_config()
820 	dsi_write(dsi, DSI_PHY_TMR_LPCLK_CFG,  in dw_mipi_dsi_dphy_timing_config()
825 static void dw_mipi_dsi_dphy_interface_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_dphy_interface_config()  argument
829 	 * stop wait time should be the maximum between host dsi  in dw_mipi_dsi_dphy_interface_config()
832 	dsi_write(dsi, DSI_PHY_IF_CFG, PHY_STOP_WAIT_TIME(0x20) |  in dw_mipi_dsi_dphy_interface_config()
833 		  N_LANES(dsi->lanes));  in dw_mipi_dsi_dphy_interface_config()
836 static void dw_mipi_dsi_dphy_init(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_dphy_init()  argument
839 	dsi_write(dsi, DSI_PHY_RSTZ, PHY_DISFORCEPLL | PHY_DISABLECLK  in dw_mipi_dsi_dphy_init()
841 	dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);  in dw_mipi_dsi_dphy_init()
842 	dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR);  in dw_mipi_dsi_dphy_init()
843 	dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);  in dw_mipi_dsi_dphy_init()
846 static void dw_mipi_dsi_dphy_enable(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_dphy_enable()  argument
851 	dsi_write(dsi, DSI_PHY_RSTZ, PHY_ENFORCEPLL | PHY_ENABLECLK |  in dw_mipi_dsi_dphy_enable()
854 	ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, val,  in dw_mipi_dsi_dphy_enable()
859 	ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS,  in dw_mipi_dsi_dphy_enable()
866 static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_clear_err()  argument
868 	dsi_read(dsi, DSI_INT_ST0);  in dw_mipi_dsi_clear_err()
869 	dsi_read(dsi, DSI_INT_ST1);  in dw_mipi_dsi_clear_err()
870 	dsi_write(dsi, DSI_INT_MSK0, 0);  in dw_mipi_dsi_clear_err()
871 	dsi_write(dsi, DSI_INT_MSK1, 0);  in dw_mipi_dsi_clear_err()
876 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_post_disable()  local
877 	const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops;  in dw_mipi_dsi_bridge_post_disable()
885 	dw_mipi_dsi_set_mode(dsi, 0);  in dw_mipi_dsi_bridge_post_disable()
889 	 * panel unprepare before the dsi "final" disable...  in dw_mipi_dsi_bridge_post_disable()
893 	if (dsi->panel_bridge->funcs->post_disable)  in dw_mipi_dsi_bridge_post_disable()
894 		dsi->panel_bridge->funcs->post_disable(dsi->panel_bridge);  in dw_mipi_dsi_bridge_post_disable()
897 		phy_ops->power_off(dsi->plat_data->priv_data);  in dw_mipi_dsi_bridge_post_disable()
899 	if (dsi->slave) {  in dw_mipi_dsi_bridge_post_disable()
900 		dw_mipi_dsi_disable(dsi->slave);  in dw_mipi_dsi_bridge_post_disable()
901 		clk_disable_unprepare(dsi->slave->pclk);  in dw_mipi_dsi_bridge_post_disable()
902 		pm_runtime_put(dsi->slave->dev);  in dw_mipi_dsi_bridge_post_disable()
904 	dw_mipi_dsi_disable(dsi);  in dw_mipi_dsi_bridge_post_disable()
906 	clk_disable_unprepare(dsi->pclk);  in dw_mipi_dsi_bridge_post_disable()
907 	pm_runtime_put(dsi->dev);  in dw_mipi_dsi_bridge_post_disable()
910 static unsigned int dw_mipi_dsi_get_lanes(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_get_lanes()  argument
913 	if (dsi->master)  in dw_mipi_dsi_get_lanes()
914 		return dsi->master->lanes + dsi->lanes;  in dw_mipi_dsi_get_lanes()
917 	if (dsi->slave)  in dw_mipi_dsi_get_lanes()
918 		return dsi->lanes + dsi->slave->lanes;  in dw_mipi_dsi_get_lanes()
920 	/* single-dsi, so no other instance to consider */  in dw_mipi_dsi_get_lanes()
921 	return dsi->lanes;  in dw_mipi_dsi_get_lanes()
924 static void dw_mipi_dsi_mode_set(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_mode_set()  argument
927 	const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops;  in dw_mipi_dsi_mode_set()
928 	void *priv_data = dsi->plat_data->priv_data;  in dw_mipi_dsi_mode_set()
930 	u32 lanes = dw_mipi_dsi_get_lanes(dsi);  in dw_mipi_dsi_mode_set()
932 	clk_prepare_enable(dsi->pclk);  in dw_mipi_dsi_mode_set()
934 	ret = phy_ops->get_lane_mbps(priv_data, adjusted_mode, dsi->mode_flags,  in dw_mipi_dsi_mode_set()
935 				     lanes, dsi->format, &dsi->lane_mbps);  in dw_mipi_dsi_mode_set()
939 	pm_runtime_get_sync(dsi->dev);  in dw_mipi_dsi_mode_set()
940 	dw_mipi_dsi_init(dsi);  in dw_mipi_dsi_mode_set()
941 	dw_mipi_dsi_dpi_config(dsi, adjusted_mode);  in dw_mipi_dsi_mode_set()
942 	dw_mipi_dsi_packet_handler_config(dsi);  in dw_mipi_dsi_mode_set()
943 	dw_mipi_dsi_video_mode_config(dsi);  in dw_mipi_dsi_mode_set()
944 	dw_mipi_dsi_video_packet_config(dsi, adjusted_mode);  in dw_mipi_dsi_mode_set()
945 	dw_mipi_dsi_command_mode_config(dsi);  in dw_mipi_dsi_mode_set()
946 	dw_mipi_dsi_line_timer_config(dsi, adjusted_mode);  in dw_mipi_dsi_mode_set()
947 	dw_mipi_dsi_vertical_timing_config(dsi, adjusted_mode);  in dw_mipi_dsi_mode_set()
949 	dw_mipi_dsi_dphy_init(dsi);  in dw_mipi_dsi_mode_set()
950 	dw_mipi_dsi_dphy_timing_config(dsi);  in dw_mipi_dsi_mode_set()
951 	dw_mipi_dsi_dphy_interface_config(dsi);  in dw_mipi_dsi_mode_set()
953 	dw_mipi_dsi_clear_err(dsi);  in dw_mipi_dsi_mode_set()
959 	dw_mipi_dsi_dphy_enable(dsi);  in dw_mipi_dsi_mode_set()
964 	dw_mipi_dsi_set_mode(dsi, 0);  in dw_mipi_dsi_mode_set()
967 		phy_ops->power_on(dsi->plat_data->priv_data);  in dw_mipi_dsi_mode_set()
974 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_mode_set()  local
976 	dw_mipi_dsi_mode_set(dsi, adjusted_mode);  in dw_mipi_dsi_bridge_mode_set()
977 	if (dsi->slave)  in dw_mipi_dsi_bridge_mode_set()
978 		dw_mipi_dsi_mode_set(dsi->slave, adjusted_mode);  in dw_mipi_dsi_bridge_mode_set()
983 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_enable()  local
986 	dw_mipi_dsi_set_mode(dsi, MIPI_DSI_MODE_VIDEO);  in dw_mipi_dsi_bridge_enable()
987 	if (dsi->slave)  in dw_mipi_dsi_bridge_enable()
988 		dw_mipi_dsi_set_mode(dsi->slave, MIPI_DSI_MODE_VIDEO);  in dw_mipi_dsi_bridge_enable()
996 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_mode_valid()  local
997 	const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data;  in dw_mipi_dsi_bridge_mode_valid()
1009 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_attach()  local
1019 	if (!dsi->device_found) {  in dw_mipi_dsi_bridge_attach()
1022 		ret = dw_mipi_dsi_panel_or_bridge(dsi, dsi->dev->of_node);  in dw_mipi_dsi_bridge_attach()
1026 		dsi->device_found = true;  in dw_mipi_dsi_bridge_attach()
1029 	/* Attach the panel-bridge to the dsi bridge */  in dw_mipi_dsi_bridge_attach()
1030 	return drm_bridge_attach(bridge->encoder, dsi->panel_bridge, bridge,  in dw_mipi_dsi_bridge_attach()
1047 	struct dw_mipi_dsi *dsi;  in dw_mipi_dsi_debugfs_write()  local
1053 	dsi = vpg->dsi;  in dw_mipi_dsi_debugfs_write()
1057 	mode_cfg = dsi_read(dsi, DSI_VID_MODE_CFG);  in dw_mipi_dsi_debugfs_write()
1064 	dsi_write(dsi, DSI_VID_MODE_CFG, mode_cfg);  in dw_mipi_dsi_debugfs_write()
1086 	struct dw_mipi_dsi *dsi = data;  in debugfs_create_files()  local
1088 		REGISTER(vpg, VID_MODE_VPG_ENABLE, dsi),  in debugfs_create_files()
1089 		REGISTER(vpg_horizontal, VID_MODE_VPG_HORIZONTAL, dsi),  in debugfs_create_files()
1090 		REGISTER(vpg_ber_pattern, VID_MODE_VPG_MODE, dsi),  in debugfs_create_files()
1094 	dsi->debugfs_vpg = kmemdup(debugfs, sizeof(debugfs), GFP_KERNEL);  in debugfs_create_files()
1095 	if (!dsi->debugfs_vpg)  in debugfs_create_files()
1099 		debugfs_create_file(dsi->debugfs_vpg[i].name, 0644,  in debugfs_create_files()
1100 				    dsi->debugfs, &dsi->debugfs_vpg[i],  in debugfs_create_files()
1104 static void dw_mipi_dsi_debugfs_init(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_debugfs_init()  argument
1106 	dsi->debugfs = debugfs_create_dir(dev_name(dsi->dev), NULL);  in dw_mipi_dsi_debugfs_init()
1107 	if (IS_ERR(dsi->debugfs)) {  in dw_mipi_dsi_debugfs_init()
1108 		dev_err(dsi->dev, "failed to create debugfs root\n");  in dw_mipi_dsi_debugfs_init()
1112 	debugfs_create_files(dsi);  in dw_mipi_dsi_debugfs_init()
1115 static void dw_mipi_dsi_debugfs_remove(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_debugfs_remove()  argument
1117 	debugfs_remove_recursive(dsi->debugfs);  in dw_mipi_dsi_debugfs_remove()
1118 	kfree(dsi->debugfs_vpg);  in dw_mipi_dsi_debugfs_remove()
1123 static void dw_mipi_dsi_debugfs_init(struct dw_mipi_dsi *dsi) { }  in dw_mipi_dsi_debugfs_init()  argument
1124 static void dw_mipi_dsi_debugfs_remove(struct dw_mipi_dsi *dsi) { }  in dw_mipi_dsi_debugfs_remove()  argument
1134 	struct dw_mipi_dsi *dsi;  in __dw_mipi_dsi_probe()  local
1137 	dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);  in __dw_mipi_dsi_probe()
1138 	if (!dsi)  in __dw_mipi_dsi_probe()
1141 	dsi->dev = dev;  in __dw_mipi_dsi_probe()
1142 	dsi->plat_data = plat_data;  in __dw_mipi_dsi_probe()
1151 		dsi->base = devm_platform_ioremap_resource(pdev, 0);  in __dw_mipi_dsi_probe()
1152 		if (IS_ERR(dsi->base))  in __dw_mipi_dsi_probe()
1156 		dsi->base = plat_data->base;  in __dw_mipi_dsi_probe()
1159 	dsi->pclk = devm_clk_get(dev, "pclk");  in __dw_mipi_dsi_probe()
1160 	if (IS_ERR(dsi->pclk)) {  in __dw_mipi_dsi_probe()
1161 		ret = PTR_ERR(dsi->pclk);  in __dw_mipi_dsi_probe()
1181 		ret = clk_prepare_enable(dsi->pclk);  in __dw_mipi_dsi_probe()
1191 		clk_disable_unprepare(dsi->pclk);  in __dw_mipi_dsi_probe()
1194 	dw_mipi_dsi_debugfs_init(dsi);  in __dw_mipi_dsi_probe()
1197 	dsi->dsi_host.ops = &dw_mipi_dsi_host_ops;  in __dw_mipi_dsi_probe()
1198 	dsi->dsi_host.dev = dev;  in __dw_mipi_dsi_probe()
1199 	ret = mipi_dsi_host_register(&dsi->dsi_host);  in __dw_mipi_dsi_probe()
1202 		dw_mipi_dsi_debugfs_remove(dsi);  in __dw_mipi_dsi_probe()
1206 	dsi->bridge.driver_private = dsi;  in __dw_mipi_dsi_probe()
1207 	dsi->bridge.funcs = &dw_mipi_dsi_bridge_funcs;  in __dw_mipi_dsi_probe()
1209 	dsi->bridge.of_node = pdev->dev.of_node;  in __dw_mipi_dsi_probe()
1211 	drm_bridge_add(&dsi->bridge);  in __dw_mipi_dsi_probe()
1213 	return dsi;  in __dw_mipi_dsi_probe()
1216 static void __dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi)  in __dw_mipi_dsi_remove()  argument
1218 	mipi_dsi_host_unregister(&dsi->dsi_host);  in __dw_mipi_dsi_remove()
1220 	pm_runtime_disable(dsi->dev);  in __dw_mipi_dsi_remove()
1221 	dw_mipi_dsi_debugfs_remove(dsi);  in __dw_mipi_dsi_remove()
1224 void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave)  in dw_mipi_dsi_set_slave()  argument
1227 	dsi->slave = slave;  in dw_mipi_dsi_set_slave()
1228 	dsi->slave->master = dsi;  in dw_mipi_dsi_set_slave()
1231 	dsi->slave->lanes = dsi->lanes;  in dw_mipi_dsi_set_slave()
1232 	dsi->slave->channel = dsi->channel;  in dw_mipi_dsi_set_slave()
1233 	dsi->slave->format = dsi->format;  in dw_mipi_dsi_set_slave()
1234 	dsi->slave->mode_flags = dsi->mode_flags;  in dw_mipi_dsi_set_slave()
1249 void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_remove()  argument
1251 	__dw_mipi_dsi_remove(dsi);  in dw_mipi_dsi_remove()
1258 int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder)  in dw_mipi_dsi_bind()  argument
1260 	return drm_bridge_attach(encoder, &dsi->bridge, NULL, 0);  in dw_mipi_dsi_bind()
1264 void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_unbind()  argument
1271 MODULE_DESCRIPTION("DW MIPI DSI host controller driver");
1273 MODULE_ALIAS("platform:dw-mipi-dsi");