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
265 	struct dw_mipi_dsi *master; /* dual-dsi master ptr */
266 	struct dw_mipi_dsi *slave; /* dual-dsi slave ptr */
274 static inline bool dw_mipi_is_dual_mode(struct dw_mipi_dsi *dsi)  in dw_mipi_is_dual_mode()  argument
276 	return dsi->slave || dsi->master;  in dw_mipi_is_dual_mode()
302 static inline void dsi_write(struct dw_mipi_dsi *dsi, u32 reg, u32 val)  in dsi_write()  argument
304 	writel(val, dsi->base + reg);  in dsi_write()
307 static inline u32 dsi_read(struct dw_mipi_dsi *dsi, u32 reg)  in dsi_read()  argument
309 	return readl(dsi->base + reg);  in dsi_read()
315 	struct dw_mipi_dsi *dsi = host_to_dsi(host);  in dw_mipi_dsi_host_attach()  local
316 	const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data;  in dw_mipi_dsi_host_attach()
320 	if (device->lanes > dsi->plat_data->max_data_lanes) {  in dw_mipi_dsi_host_attach()
321 		dev_err(dsi->dev, "the number of data lanes(%u) is too many\n",  in dw_mipi_dsi_host_attach()
326 	dsi->lanes = device->lanes;  in dw_mipi_dsi_host_attach()
327 	dsi->channel = device->channel;  in dw_mipi_dsi_host_attach()
328 	dsi->format = device->format;  in dw_mipi_dsi_host_attach()
329 	dsi->mode_flags = device->mode_flags;  in dw_mipi_dsi_host_attach()
331 	bridge = devm_drm_of_get_bridge(dsi->dev, dsi->dev->of_node, 1, 0);  in dw_mipi_dsi_host_attach()
335 	dsi->panel_bridge = bridge;  in dw_mipi_dsi_host_attach()
337 	drm_bridge_add(&dsi->bridge);  in dw_mipi_dsi_host_attach()
351 	struct dw_mipi_dsi *dsi = host_to_dsi(host);  in dw_mipi_dsi_host_detach()  local
352 	const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data;  in dw_mipi_dsi_host_detach()
363 	drm_bridge_remove(&dsi->bridge);  in dw_mipi_dsi_host_detach()
368 static void dw_mipi_message_config(struct dw_mipi_dsi *dsi,  in dw_mipi_message_config()  argument
380 	dsi_write(dsi, DSI_DPI_LP_CMD_TIM, OUTVACT_LPCMD_TIME(16)  in dw_mipi_message_config()
388 	dsi_write(dsi, DSI_CMD_MODE_CFG, val);  in dw_mipi_message_config()
390 	val = dsi_read(dsi, DSI_VID_MODE_CFG);  in dw_mipi_message_config()
395 	dsi_write(dsi, DSI_VID_MODE_CFG, val);  in dw_mipi_message_config()
398 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
403 	ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_gen_pkt_hdr_write()
407 		dev_err(dsi->dev, "failed to get available command FIFO\n");  in dw_mipi_dsi_gen_pkt_hdr_write()
411 	dsi_write(dsi, DSI_GEN_HDR, hdr_val);  in dw_mipi_dsi_gen_pkt_hdr_write()
414 	ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_gen_pkt_hdr_write()
418 		dev_err(dsi->dev, "failed to write command FIFO\n");  in dw_mipi_dsi_gen_pkt_hdr_write()
425 static int dw_mipi_dsi_write(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_write()  argument
437 			dsi_write(dsi, DSI_GEN_PLD_DATA, le32_to_cpu(word));  in dw_mipi_dsi_write()
441 			dsi_write(dsi, DSI_GEN_PLD_DATA, le32_to_cpu(word));  in dw_mipi_dsi_write()
446 		ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_write()
450 			dev_err(dsi->dev,  in dw_mipi_dsi_write()
458 	return dw_mipi_dsi_gen_pkt_hdr_write(dsi, le32_to_cpu(word));  in dw_mipi_dsi_write()
461 static int dw_mipi_dsi_read(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_read()  argument
469 	ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_read()
473 		dev_err(dsi->dev, "Timeout during read operation\n");  in dw_mipi_dsi_read()
479 		ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,  in dw_mipi_dsi_read()
483 			dev_err(dsi->dev, "Read payload FIFO is empty\n");  in dw_mipi_dsi_read()
487 		val = dsi_read(dsi, DSI_GEN_PLD_DATA);  in dw_mipi_dsi_read()
498 	struct dw_mipi_dsi *dsi = host_to_dsi(host);  in dw_mipi_dsi_host_transfer()  local
504 		dev_err(dsi->dev, "failed to create packet: %d\n", ret);  in dw_mipi_dsi_host_transfer()
508 	dw_mipi_message_config(dsi, msg);  in dw_mipi_dsi_host_transfer()
509 	if (dsi->slave)  in dw_mipi_dsi_host_transfer()
510 		dw_mipi_message_config(dsi->slave, msg);  in dw_mipi_dsi_host_transfer()
512 	ret = dw_mipi_dsi_write(dsi, &packet);  in dw_mipi_dsi_host_transfer()
515 	if (dsi->slave) {  in dw_mipi_dsi_host_transfer()
516 		ret = dw_mipi_dsi_write(dsi->slave, &packet);  in dw_mipi_dsi_host_transfer()
522 		ret = dw_mipi_dsi_read(dsi, msg);  in dw_mipi_dsi_host_transfer()
539 static void dw_mipi_dsi_video_mode_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_video_mode_config()  argument
550 	if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST)  in dw_mipi_dsi_video_mode_config()
552 	else if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)  in dw_mipi_dsi_video_mode_config()
558 	if (dsi->vpg_defs.vpg) {  in dw_mipi_dsi_video_mode_config()
560 		val |= dsi->vpg_defs.vpg_horizontal ?  in dw_mipi_dsi_video_mode_config()
562 		val |= dsi->vpg_defs.vpg_ber_pattern ? VID_MODE_VPG_MODE : 0;  in dw_mipi_dsi_video_mode_config()
566 	dsi_write(dsi, DSI_VID_MODE_CFG, val);  in dw_mipi_dsi_video_mode_config()
569 static void dw_mipi_dsi_set_mode(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_set_mode()  argument
574 	dsi_write(dsi, DSI_PWR_UP, RESET);  in dw_mipi_dsi_set_mode()
577 		dsi_write(dsi, DSI_MODE_CFG, ENABLE_VIDEO_MODE);  in dw_mipi_dsi_set_mode()
578 		dw_mipi_dsi_video_mode_config(dsi);  in dw_mipi_dsi_set_mode()
580 		dsi_write(dsi, DSI_MODE_CFG, ENABLE_CMD_MODE);  in dw_mipi_dsi_set_mode()
584 	if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)  in dw_mipi_dsi_set_mode()
586 	dsi_write(dsi, DSI_LPCLK_CTRL, val);  in dw_mipi_dsi_set_mode()
588 	dsi_write(dsi, DSI_PWR_UP, POWERUP);  in dw_mipi_dsi_set_mode()
591 static void dw_mipi_dsi_disable(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_disable()  argument
593 	dsi_write(dsi, DSI_PWR_UP, RESET);  in dw_mipi_dsi_disable()
594 	dsi_write(dsi, DSI_PHY_RSTZ, PHY_RSTZ);  in dw_mipi_dsi_disable()
597 static void dw_mipi_dsi_init(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_init()  argument
599 	const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops;  in dw_mipi_dsi_init()
609 		ret = phy_ops->get_esc_clk_rate(dsi->plat_data->priv_data,  in dw_mipi_dsi_init()
622 	esc_clk_division = (dsi->lane_mbps >> 3) / esc_rate + 1;  in dw_mipi_dsi_init()
624 	dsi_write(dsi, DSI_PWR_UP, RESET);  in dw_mipi_dsi_init()
631 	dsi_write(dsi, DSI_CLKMGR_CFG, TO_CLK_DIVISION(10) |  in dw_mipi_dsi_init()
635 static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_dpi_config()  argument
640 	switch (dsi->format) {  in dw_mipi_dsi_dpi_config()
660 	dsi_write(dsi, DSI_DPI_VCID, DPI_VCID(dsi->channel));  in dw_mipi_dsi_dpi_config()
661 	dsi_write(dsi, DSI_DPI_COLOR_CODING, color);  in dw_mipi_dsi_dpi_config()
662 	dsi_write(dsi, DSI_DPI_CFG_POL, val);  in dw_mipi_dsi_dpi_config()
665 static void dw_mipi_dsi_packet_handler_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_packet_handler_config()  argument
667 	dsi_write(dsi, DSI_PCKHDL_CFG, CRC_RX_EN | ECC_RX_EN | BTA_EN);  in dw_mipi_dsi_packet_handler_config()
670 static void dw_mipi_dsi_video_packet_config(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_video_packet_config()  argument
681 	dsi_write(dsi, DSI_VID_PKT_SIZE,  in dw_mipi_dsi_video_packet_config()
682 		       dw_mipi_is_dual_mode(dsi) ?  in dw_mipi_dsi_video_packet_config()
687 static void dw_mipi_dsi_command_mode_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_command_mode_config()  argument
694 	dsi_write(dsi, DSI_TO_CNT_CFG, HSTX_TO_CNT(1000) | LPRX_TO_CNT(1000));  in dw_mipi_dsi_command_mode_config()
700 	dsi_write(dsi, DSI_BTA_TO_CNT, 0xd00);  in dw_mipi_dsi_command_mode_config()
701 	dsi_write(dsi, DSI_MODE_CFG, ENABLE_CMD_MODE);  in dw_mipi_dsi_command_mode_config()
705 static u32 dw_mipi_dsi_get_hcomponent_lbcc(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_get_hcomponent_lbcc()  argument
711 	lbcc = hcomponent * dsi->lane_mbps * MSEC_PER_SEC / 8;  in dw_mipi_dsi_get_hcomponent_lbcc()
721 static void dw_mipi_dsi_line_timer_config(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_line_timer_config()  argument
734 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, htotal);  in dw_mipi_dsi_line_timer_config()
735 	dsi_write(dsi, DSI_VID_HLINE_TIME, lbcc);  in dw_mipi_dsi_line_timer_config()
737 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hsa);  in dw_mipi_dsi_line_timer_config()
738 	dsi_write(dsi, DSI_VID_HSA_TIME, lbcc);  in dw_mipi_dsi_line_timer_config()
740 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hbp);  in dw_mipi_dsi_line_timer_config()
741 	dsi_write(dsi, DSI_VID_HBP_TIME, lbcc);  in dw_mipi_dsi_line_timer_config()
744 static void dw_mipi_dsi_vertical_timing_config(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_vertical_timing_config()  argument
754 	dsi_write(dsi, DSI_VID_VACTIVE_LINES, vactive);  in dw_mipi_dsi_vertical_timing_config()
755 	dsi_write(dsi, DSI_VID_VSA_LINES, vsa);  in dw_mipi_dsi_vertical_timing_config()
756 	dsi_write(dsi, DSI_VID_VFP_LINES, vfp);  in dw_mipi_dsi_vertical_timing_config()
757 	dsi_write(dsi, DSI_VID_VBP_LINES, vbp);  in dw_mipi_dsi_vertical_timing_config()
760 static void dw_mipi_dsi_dphy_timing_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_dphy_timing_config()  argument
762 	const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops;  in dw_mipi_dsi_dphy_timing_config()
767 	ret = phy_ops->get_timing(dsi->plat_data->priv_data,  in dw_mipi_dsi_dphy_timing_config()
768 				  dsi->lane_mbps, &timing);  in dw_mipi_dsi_dphy_timing_config()
770 		DRM_DEV_ERROR(dsi->dev, "Retrieving phy timings failed\n");  in dw_mipi_dsi_dphy_timing_config()
780 	hw_version = dsi_read(dsi, DSI_VERSION) & VERSION;  in dw_mipi_dsi_dphy_timing_config()
783 		dsi_write(dsi, DSI_PHY_TMR_CFG,  in dw_mipi_dsi_dphy_timing_config()
786 		dsi_write(dsi, DSI_PHY_TMR_RD_CFG, MAX_RD_TIME_V131(10000));  in dw_mipi_dsi_dphy_timing_config()
788 		dsi_write(dsi, DSI_PHY_TMR_CFG,  in dw_mipi_dsi_dphy_timing_config()
794 	dsi_write(dsi, DSI_PHY_TMR_LPCLK_CFG,  in dw_mipi_dsi_dphy_timing_config()
799 static void dw_mipi_dsi_dphy_interface_config(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_dphy_interface_config()  argument
803 	 * stop wait time should be the maximum between host dsi  in dw_mipi_dsi_dphy_interface_config()
806 	dsi_write(dsi, DSI_PHY_IF_CFG, PHY_STOP_WAIT_TIME(0x20) |  in dw_mipi_dsi_dphy_interface_config()
807 		  N_LANES(dsi->lanes));  in dw_mipi_dsi_dphy_interface_config()
810 static void dw_mipi_dsi_dphy_init(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_dphy_init()  argument
813 	dsi_write(dsi, DSI_PHY_RSTZ, PHY_DISFORCEPLL | PHY_DISABLECLK  in dw_mipi_dsi_dphy_init()
815 	dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);  in dw_mipi_dsi_dphy_init()
816 	dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR);  in dw_mipi_dsi_dphy_init()
817 	dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);  in dw_mipi_dsi_dphy_init()
820 static void dw_mipi_dsi_dphy_enable(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_dphy_enable()  argument
825 	dsi_write(dsi, DSI_PHY_RSTZ, PHY_ENFORCEPLL | PHY_ENABLECLK |  in dw_mipi_dsi_dphy_enable()
828 	ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, val,  in dw_mipi_dsi_dphy_enable()
833 	ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS,  in dw_mipi_dsi_dphy_enable()
840 static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_clear_err()  argument
842 	dsi_read(dsi, DSI_INT_ST0);  in dw_mipi_dsi_clear_err()
843 	dsi_read(dsi, DSI_INT_ST1);  in dw_mipi_dsi_clear_err()
844 	dsi_write(dsi, DSI_INT_MSK0, 0);  in dw_mipi_dsi_clear_err()
845 	dsi_write(dsi, DSI_INT_MSK1, 0);  in dw_mipi_dsi_clear_err()
851 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_post_atomic_disable()  local
852 	const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops;  in dw_mipi_dsi_bridge_post_atomic_disable()
860 	dw_mipi_dsi_set_mode(dsi, 0);  in dw_mipi_dsi_bridge_post_atomic_disable()
864 	 * panel unprepare before the dsi "final" disable...  in dw_mipi_dsi_bridge_post_atomic_disable()
868 	if (dsi->panel_bridge->funcs->post_disable)  in dw_mipi_dsi_bridge_post_atomic_disable()
869 		dsi->panel_bridge->funcs->post_disable(dsi->panel_bridge);  in dw_mipi_dsi_bridge_post_atomic_disable()
872 		phy_ops->power_off(dsi->plat_data->priv_data);  in dw_mipi_dsi_bridge_post_atomic_disable()
874 	if (dsi->slave) {  in dw_mipi_dsi_bridge_post_atomic_disable()
875 		dw_mipi_dsi_disable(dsi->slave);  in dw_mipi_dsi_bridge_post_atomic_disable()
876 		clk_disable_unprepare(dsi->slave->pclk);  in dw_mipi_dsi_bridge_post_atomic_disable()
877 		pm_runtime_put(dsi->slave->dev);  in dw_mipi_dsi_bridge_post_atomic_disable()
879 	dw_mipi_dsi_disable(dsi);  in dw_mipi_dsi_bridge_post_atomic_disable()
881 	clk_disable_unprepare(dsi->pclk);  in dw_mipi_dsi_bridge_post_atomic_disable()
882 	pm_runtime_put(dsi->dev);  in dw_mipi_dsi_bridge_post_atomic_disable()
885 static unsigned int dw_mipi_dsi_get_lanes(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_get_lanes()  argument
888 	if (dsi->master)  in dw_mipi_dsi_get_lanes()
889 		return dsi->master->lanes + dsi->lanes;  in dw_mipi_dsi_get_lanes()
892 	if (dsi->slave)  in dw_mipi_dsi_get_lanes()
893 		return dsi->lanes + dsi->slave->lanes;  in dw_mipi_dsi_get_lanes()
895 	/* single-dsi, so no other instance to consider */  in dw_mipi_dsi_get_lanes()
896 	return dsi->lanes;  in dw_mipi_dsi_get_lanes()
899 static void dw_mipi_dsi_mode_set(struct dw_mipi_dsi *dsi,  in dw_mipi_dsi_mode_set()  argument
902 	const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops;  in dw_mipi_dsi_mode_set()
903 	void *priv_data = dsi->plat_data->priv_data;  in dw_mipi_dsi_mode_set()
905 	u32 lanes = dw_mipi_dsi_get_lanes(dsi);  in dw_mipi_dsi_mode_set()
907 	clk_prepare_enable(dsi->pclk);  in dw_mipi_dsi_mode_set()
909 	ret = phy_ops->get_lane_mbps(priv_data, adjusted_mode, dsi->mode_flags,  in dw_mipi_dsi_mode_set()
910 				     lanes, dsi->format, &dsi->lane_mbps);  in dw_mipi_dsi_mode_set()
914 	pm_runtime_get_sync(dsi->dev);  in dw_mipi_dsi_mode_set()
915 	dw_mipi_dsi_init(dsi);  in dw_mipi_dsi_mode_set()
916 	dw_mipi_dsi_dpi_config(dsi, adjusted_mode);  in dw_mipi_dsi_mode_set()
917 	dw_mipi_dsi_packet_handler_config(dsi);  in dw_mipi_dsi_mode_set()
918 	dw_mipi_dsi_video_mode_config(dsi);  in dw_mipi_dsi_mode_set()
919 	dw_mipi_dsi_video_packet_config(dsi, adjusted_mode);  in dw_mipi_dsi_mode_set()
920 	dw_mipi_dsi_command_mode_config(dsi);  in dw_mipi_dsi_mode_set()
921 	dw_mipi_dsi_line_timer_config(dsi, adjusted_mode);  in dw_mipi_dsi_mode_set()
922 	dw_mipi_dsi_vertical_timing_config(dsi, adjusted_mode);  in dw_mipi_dsi_mode_set()
924 	dw_mipi_dsi_dphy_init(dsi);  in dw_mipi_dsi_mode_set()
925 	dw_mipi_dsi_dphy_timing_config(dsi);  in dw_mipi_dsi_mode_set()
926 	dw_mipi_dsi_dphy_interface_config(dsi);  in dw_mipi_dsi_mode_set()
928 	dw_mipi_dsi_clear_err(dsi);  in dw_mipi_dsi_mode_set()
934 	dw_mipi_dsi_dphy_enable(dsi);  in dw_mipi_dsi_mode_set()
939 	dw_mipi_dsi_set_mode(dsi, 0);  in dw_mipi_dsi_mode_set()
942 		phy_ops->power_on(dsi->plat_data->priv_data);  in dw_mipi_dsi_mode_set()
949 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_mode_set()  local
951 	dw_mipi_dsi_mode_set(dsi, adjusted_mode);  in dw_mipi_dsi_bridge_mode_set()
952 	if (dsi->slave)  in dw_mipi_dsi_bridge_mode_set()
953 		dw_mipi_dsi_mode_set(dsi->slave, adjusted_mode);  in dw_mipi_dsi_bridge_mode_set()
959 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_atomic_enable()  local
962 	dw_mipi_dsi_set_mode(dsi, MIPI_DSI_MODE_VIDEO);  in dw_mipi_dsi_bridge_atomic_enable()
963 	if (dsi->slave)  in dw_mipi_dsi_bridge_atomic_enable()
964 		dw_mipi_dsi_set_mode(dsi->slave, MIPI_DSI_MODE_VIDEO);  in dw_mipi_dsi_bridge_atomic_enable()
972 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_mode_valid()  local
973 	const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data;  in dw_mipi_dsi_bridge_mode_valid()
978 						dsi->mode_flags,  in dw_mipi_dsi_bridge_mode_valid()
979 						dw_mipi_dsi_get_lanes(dsi),  in dw_mipi_dsi_bridge_mode_valid()
980 						dsi->format);  in dw_mipi_dsi_bridge_mode_valid()
988 	struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);  in dw_mipi_dsi_bridge_attach()  local
998 	/* Attach the panel-bridge to the dsi bridge */  in dw_mipi_dsi_bridge_attach()
999 	return drm_bridge_attach(bridge->encoder, dsi->panel_bridge, bridge,  in dw_mipi_dsi_bridge_attach()
1019 	struct dw_mipi_dsi *dsi;  in dw_mipi_dsi_debugfs_write()  local
1025 	dsi = vpg->dsi;  in dw_mipi_dsi_debugfs_write()
1029 	mode_cfg = dsi_read(dsi, DSI_VID_MODE_CFG);  in dw_mipi_dsi_debugfs_write()
1036 	dsi_write(dsi, DSI_VID_MODE_CFG, mode_cfg);  in dw_mipi_dsi_debugfs_write()
1058 	struct dw_mipi_dsi *dsi = data;  in debugfs_create_files()  local
1060 		REGISTER(vpg, VID_MODE_VPG_ENABLE, dsi),  in debugfs_create_files()
1061 		REGISTER(vpg_horizontal, VID_MODE_VPG_HORIZONTAL, dsi),  in debugfs_create_files()
1062 		REGISTER(vpg_ber_pattern, VID_MODE_VPG_MODE, dsi),  in debugfs_create_files()
1066 	dsi->debugfs_vpg = kmemdup(debugfs, sizeof(debugfs), GFP_KERNEL);  in debugfs_create_files()
1067 	if (!dsi->debugfs_vpg)  in debugfs_create_files()
1071 		debugfs_create_file(dsi->debugfs_vpg[i].name, 0644,  in debugfs_create_files()
1072 				    dsi->debugfs, &dsi->debugfs_vpg[i],  in debugfs_create_files()
1076 static void dw_mipi_dsi_debugfs_init(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_debugfs_init()  argument
1078 	dsi->debugfs = debugfs_create_dir(dev_name(dsi->dev), NULL);  in dw_mipi_dsi_debugfs_init()
1079 	if (IS_ERR(dsi->debugfs)) {  in dw_mipi_dsi_debugfs_init()
1080 		dev_err(dsi->dev, "failed to create debugfs root\n");  in dw_mipi_dsi_debugfs_init()
1084 	debugfs_create_files(dsi);  in dw_mipi_dsi_debugfs_init()
1087 static void dw_mipi_dsi_debugfs_remove(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_debugfs_remove()  argument
1089 	debugfs_remove_recursive(dsi->debugfs);  in dw_mipi_dsi_debugfs_remove()
1090 	kfree(dsi->debugfs_vpg);  in dw_mipi_dsi_debugfs_remove()
1095 static void dw_mipi_dsi_debugfs_init(struct dw_mipi_dsi *dsi) { }  in dw_mipi_dsi_debugfs_init()  argument
1096 static void dw_mipi_dsi_debugfs_remove(struct dw_mipi_dsi *dsi) { }  in dw_mipi_dsi_debugfs_remove()  argument
1106 	struct dw_mipi_dsi *dsi;  in __dw_mipi_dsi_probe()  local
1109 	dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);  in __dw_mipi_dsi_probe()
1110 	if (!dsi)  in __dw_mipi_dsi_probe()
1113 	dsi->dev = dev;  in __dw_mipi_dsi_probe()
1114 	dsi->plat_data = plat_data;  in __dw_mipi_dsi_probe()
1123 		dsi->base = devm_platform_ioremap_resource(pdev, 0);  in __dw_mipi_dsi_probe()
1124 		if (IS_ERR(dsi->base))  in __dw_mipi_dsi_probe()
1128 		dsi->base = plat_data->base;  in __dw_mipi_dsi_probe()
1131 	dsi->pclk = devm_clk_get(dev, "pclk");  in __dw_mipi_dsi_probe()
1132 	if (IS_ERR(dsi->pclk)) {  in __dw_mipi_dsi_probe()
1133 		ret = PTR_ERR(dsi->pclk);  in __dw_mipi_dsi_probe()
1153 		ret = clk_prepare_enable(dsi->pclk);  in __dw_mipi_dsi_probe()
1163 		clk_disable_unprepare(dsi->pclk);  in __dw_mipi_dsi_probe()
1166 	dw_mipi_dsi_debugfs_init(dsi);  in __dw_mipi_dsi_probe()
1169 	dsi->dsi_host.ops = &dw_mipi_dsi_host_ops;  in __dw_mipi_dsi_probe()
1170 	dsi->dsi_host.dev = dev;  in __dw_mipi_dsi_probe()
1171 	ret = mipi_dsi_host_register(&dsi->dsi_host);  in __dw_mipi_dsi_probe()
1175 		dw_mipi_dsi_debugfs_remove(dsi);  in __dw_mipi_dsi_probe()
1179 	dsi->bridge.driver_private = dsi;  in __dw_mipi_dsi_probe()
1180 	dsi->bridge.funcs = &dw_mipi_dsi_bridge_funcs;  in __dw_mipi_dsi_probe()
1182 	dsi->bridge.of_node = pdev->dev.of_node;  in __dw_mipi_dsi_probe()
1185 	return dsi;  in __dw_mipi_dsi_probe()
1188 static void __dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi)  in __dw_mipi_dsi_remove()  argument
1190 	mipi_dsi_host_unregister(&dsi->dsi_host);  in __dw_mipi_dsi_remove()
1192 	pm_runtime_disable(dsi->dev);  in __dw_mipi_dsi_remove()
1193 	dw_mipi_dsi_debugfs_remove(dsi);  in __dw_mipi_dsi_remove()
1196 void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave)  in dw_mipi_dsi_set_slave()  argument
1199 	dsi->slave = slave;  in dw_mipi_dsi_set_slave()
1200 	dsi->slave->master = dsi;  in dw_mipi_dsi_set_slave()
1203 	dsi->slave->lanes = dsi->lanes;  in dw_mipi_dsi_set_slave()
1204 	dsi->slave->channel = dsi->channel;  in dw_mipi_dsi_set_slave()
1205 	dsi->slave->format = dsi->format;  in dw_mipi_dsi_set_slave()
1206 	dsi->slave->mode_flags = dsi->mode_flags;  in dw_mipi_dsi_set_slave()
1221 void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_remove()  argument
1223 	__dw_mipi_dsi_remove(dsi);  in dw_mipi_dsi_remove()
1230 int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder)  in dw_mipi_dsi_bind()  argument
1232 	return drm_bridge_attach(encoder, &dsi->bridge, NULL, 0);  in dw_mipi_dsi_bind()
1236 void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi)  in dw_mipi_dsi_unbind()  argument
1243 MODULE_DESCRIPTION("DW MIPI DSI host controller driver");
1245 MODULE_ALIAS("platform:dw-mipi-dsi");