Lines Matching full:dsi
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()
321 if (device->lanes > dsi->plat_data->max_data_lanes) { in dw_mipi_dsi_host_attach()
322 dev_err(dsi->dev, "the number of data lanes(%u) is too many\n", in dw_mipi_dsi_host_attach()
327 dsi->lanes = device->lanes; in dw_mipi_dsi_host_attach()
328 dsi->channel = device->channel; in dw_mipi_dsi_host_attach()
329 dsi->format = device->format; in dw_mipi_dsi_host_attach()
330 dsi->mode_flags = device->mode_flags; in dw_mipi_dsi_host_attach()
344 dsi->panel_bridge = bridge; in dw_mipi_dsi_host_attach()
346 drm_bridge_add(&dsi->bridge); in dw_mipi_dsi_host_attach()
360 struct dw_mipi_dsi *dsi = host_to_dsi(host); in dw_mipi_dsi_host_detach() local
361 const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data; in dw_mipi_dsi_host_detach()
372 drm_bridge_remove(&dsi->bridge); in dw_mipi_dsi_host_detach()
377 static void dw_mipi_message_config(struct dw_mipi_dsi *dsi, in dw_mipi_message_config() argument
389 dsi_write(dsi, DSI_DPI_LP_CMD_TIM, OUTVACT_LPCMD_TIME(16) in dw_mipi_message_config()
397 dsi_write(dsi, DSI_CMD_MODE_CFG, val); in dw_mipi_message_config()
399 val = dsi_read(dsi, DSI_VID_MODE_CFG); in dw_mipi_message_config()
404 dsi_write(dsi, DSI_VID_MODE_CFG, val); in dw_mipi_message_config()
407 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
412 ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS, in dw_mipi_dsi_gen_pkt_hdr_write()
416 dev_err(dsi->dev, "failed to get available command FIFO\n"); in dw_mipi_dsi_gen_pkt_hdr_write()
420 dsi_write(dsi, DSI_GEN_HDR, hdr_val); in dw_mipi_dsi_gen_pkt_hdr_write()
423 ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS, in dw_mipi_dsi_gen_pkt_hdr_write()
427 dev_err(dsi->dev, "failed to write command FIFO\n"); in dw_mipi_dsi_gen_pkt_hdr_write()
434 static int dw_mipi_dsi_write(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_write() argument
446 dsi_write(dsi, DSI_GEN_PLD_DATA, le32_to_cpu(word)); in dw_mipi_dsi_write()
450 dsi_write(dsi, DSI_GEN_PLD_DATA, le32_to_cpu(word)); in dw_mipi_dsi_write()
455 ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS, in dw_mipi_dsi_write()
459 dev_err(dsi->dev, in dw_mipi_dsi_write()
467 return dw_mipi_dsi_gen_pkt_hdr_write(dsi, le32_to_cpu(word)); in dw_mipi_dsi_write()
470 static int dw_mipi_dsi_read(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_read() argument
478 ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS, in dw_mipi_dsi_read()
482 dev_err(dsi->dev, "Timeout during read operation\n"); in dw_mipi_dsi_read()
488 ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS, in dw_mipi_dsi_read()
492 dev_err(dsi->dev, "Read payload FIFO is empty\n"); in dw_mipi_dsi_read()
496 val = dsi_read(dsi, DSI_GEN_PLD_DATA); in dw_mipi_dsi_read()
507 struct dw_mipi_dsi *dsi = host_to_dsi(host); in dw_mipi_dsi_host_transfer() local
513 dev_err(dsi->dev, "failed to create packet: %d\n", ret); in dw_mipi_dsi_host_transfer()
517 dw_mipi_message_config(dsi, msg); in dw_mipi_dsi_host_transfer()
518 if (dsi->slave) in dw_mipi_dsi_host_transfer()
519 dw_mipi_message_config(dsi->slave, msg); in dw_mipi_dsi_host_transfer()
521 ret = dw_mipi_dsi_write(dsi, &packet); in dw_mipi_dsi_host_transfer()
524 if (dsi->slave) { in dw_mipi_dsi_host_transfer()
525 ret = dw_mipi_dsi_write(dsi->slave, &packet); in dw_mipi_dsi_host_transfer()
531 ret = dw_mipi_dsi_read(dsi, msg); in dw_mipi_dsi_host_transfer()
548 static void dw_mipi_dsi_video_mode_config(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_video_mode_config() argument
559 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) in dw_mipi_dsi_video_mode_config()
561 else if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) in dw_mipi_dsi_video_mode_config()
567 if (dsi->vpg_defs.vpg) { in dw_mipi_dsi_video_mode_config()
569 val |= dsi->vpg_defs.vpg_horizontal ? in dw_mipi_dsi_video_mode_config()
571 val |= dsi->vpg_defs.vpg_ber_pattern ? VID_MODE_VPG_MODE : 0; in dw_mipi_dsi_video_mode_config()
575 dsi_write(dsi, DSI_VID_MODE_CFG, val); in dw_mipi_dsi_video_mode_config()
578 static void dw_mipi_dsi_set_mode(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_set_mode() argument
583 dsi_write(dsi, DSI_PWR_UP, RESET); in dw_mipi_dsi_set_mode()
586 dsi_write(dsi, DSI_MODE_CFG, ENABLE_VIDEO_MODE); in dw_mipi_dsi_set_mode()
587 dw_mipi_dsi_video_mode_config(dsi); in dw_mipi_dsi_set_mode()
589 dsi_write(dsi, DSI_MODE_CFG, ENABLE_CMD_MODE); in dw_mipi_dsi_set_mode()
593 if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) in dw_mipi_dsi_set_mode()
595 dsi_write(dsi, DSI_LPCLK_CTRL, val); in dw_mipi_dsi_set_mode()
597 dsi_write(dsi, DSI_PWR_UP, POWERUP); in dw_mipi_dsi_set_mode()
600 static void dw_mipi_dsi_disable(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_disable() argument
602 dsi_write(dsi, DSI_PWR_UP, RESET); in dw_mipi_dsi_disable()
603 dsi_write(dsi, DSI_PHY_RSTZ, PHY_RSTZ); in dw_mipi_dsi_disable()
606 static void dw_mipi_dsi_init(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_init() argument
608 const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops; in dw_mipi_dsi_init()
618 ret = phy_ops->get_esc_clk_rate(dsi->plat_data->priv_data, in dw_mipi_dsi_init()
631 esc_clk_division = (dsi->lane_mbps >> 3) / esc_rate + 1; in dw_mipi_dsi_init()
633 dsi_write(dsi, DSI_PWR_UP, RESET); in dw_mipi_dsi_init()
640 dsi_write(dsi, DSI_CLKMGR_CFG, TO_CLK_DIVISION(10) | in dw_mipi_dsi_init()
644 static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_dpi_config() argument
649 switch (dsi->format) { in dw_mipi_dsi_dpi_config()
669 dsi_write(dsi, DSI_DPI_VCID, DPI_VCID(dsi->channel)); in dw_mipi_dsi_dpi_config()
670 dsi_write(dsi, DSI_DPI_COLOR_CODING, color); in dw_mipi_dsi_dpi_config()
671 dsi_write(dsi, DSI_DPI_CFG_POL, val); in dw_mipi_dsi_dpi_config()
674 static void dw_mipi_dsi_packet_handler_config(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_packet_handler_config() argument
676 dsi_write(dsi, DSI_PCKHDL_CFG, CRC_RX_EN | ECC_RX_EN | BTA_EN); in dw_mipi_dsi_packet_handler_config()
679 static void dw_mipi_dsi_video_packet_config(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_video_packet_config() argument
690 dsi_write(dsi, DSI_VID_PKT_SIZE, in dw_mipi_dsi_video_packet_config()
691 dw_mipi_is_dual_mode(dsi) ? in dw_mipi_dsi_video_packet_config()
696 static void dw_mipi_dsi_command_mode_config(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_command_mode_config() argument
703 dsi_write(dsi, DSI_TO_CNT_CFG, HSTX_TO_CNT(1000) | LPRX_TO_CNT(1000)); in dw_mipi_dsi_command_mode_config()
709 dsi_write(dsi, DSI_BTA_TO_CNT, 0xd00); in dw_mipi_dsi_command_mode_config()
710 dsi_write(dsi, DSI_MODE_CFG, ENABLE_CMD_MODE); in dw_mipi_dsi_command_mode_config()
714 static u32 dw_mipi_dsi_get_hcomponent_lbcc(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_get_hcomponent_lbcc() argument
720 lbcc = hcomponent * dsi->lane_mbps * MSEC_PER_SEC / 8; in dw_mipi_dsi_get_hcomponent_lbcc()
730 static void dw_mipi_dsi_line_timer_config(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_line_timer_config() argument
743 lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, htotal); in dw_mipi_dsi_line_timer_config()
744 dsi_write(dsi, DSI_VID_HLINE_TIME, lbcc); in dw_mipi_dsi_line_timer_config()
746 lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hsa); in dw_mipi_dsi_line_timer_config()
747 dsi_write(dsi, DSI_VID_HSA_TIME, lbcc); in dw_mipi_dsi_line_timer_config()
749 lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hbp); in dw_mipi_dsi_line_timer_config()
750 dsi_write(dsi, DSI_VID_HBP_TIME, lbcc); in dw_mipi_dsi_line_timer_config()
753 static void dw_mipi_dsi_vertical_timing_config(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_vertical_timing_config() argument
763 dsi_write(dsi, DSI_VID_VACTIVE_LINES, vactive); in dw_mipi_dsi_vertical_timing_config()
764 dsi_write(dsi, DSI_VID_VSA_LINES, vsa); in dw_mipi_dsi_vertical_timing_config()
765 dsi_write(dsi, DSI_VID_VFP_LINES, vfp); in dw_mipi_dsi_vertical_timing_config()
766 dsi_write(dsi, DSI_VID_VBP_LINES, vbp); in dw_mipi_dsi_vertical_timing_config()
769 static void dw_mipi_dsi_dphy_timing_config(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_dphy_timing_config() argument
771 const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops; in dw_mipi_dsi_dphy_timing_config()
776 ret = phy_ops->get_timing(dsi->plat_data->priv_data, in dw_mipi_dsi_dphy_timing_config()
777 dsi->lane_mbps, &timing); in dw_mipi_dsi_dphy_timing_config()
779 DRM_DEV_ERROR(dsi->dev, "Retrieving phy timings failed\n"); in dw_mipi_dsi_dphy_timing_config()
789 hw_version = dsi_read(dsi, DSI_VERSION) & VERSION; in dw_mipi_dsi_dphy_timing_config()
792 dsi_write(dsi, DSI_PHY_TMR_CFG, in dw_mipi_dsi_dphy_timing_config()
795 dsi_write(dsi, DSI_PHY_TMR_RD_CFG, MAX_RD_TIME_V131(10000)); in dw_mipi_dsi_dphy_timing_config()
797 dsi_write(dsi, DSI_PHY_TMR_CFG, in dw_mipi_dsi_dphy_timing_config()
803 dsi_write(dsi, DSI_PHY_TMR_LPCLK_CFG, in dw_mipi_dsi_dphy_timing_config()
808 static void dw_mipi_dsi_dphy_interface_config(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_dphy_interface_config() argument
812 * stop wait time should be the maximum between host dsi in dw_mipi_dsi_dphy_interface_config()
815 dsi_write(dsi, DSI_PHY_IF_CFG, PHY_STOP_WAIT_TIME(0x20) | in dw_mipi_dsi_dphy_interface_config()
816 N_LANES(dsi->lanes)); in dw_mipi_dsi_dphy_interface_config()
819 static void dw_mipi_dsi_dphy_init(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_dphy_init() argument
822 dsi_write(dsi, DSI_PHY_RSTZ, PHY_DISFORCEPLL | PHY_DISABLECLK in dw_mipi_dsi_dphy_init()
824 dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR); in dw_mipi_dsi_dphy_init()
825 dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR); in dw_mipi_dsi_dphy_init()
826 dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR); in dw_mipi_dsi_dphy_init()
829 static void dw_mipi_dsi_dphy_enable(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_dphy_enable() argument
834 dsi_write(dsi, DSI_PHY_RSTZ, PHY_ENFORCEPLL | PHY_ENABLECLK | in dw_mipi_dsi_dphy_enable()
837 ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, val, in dw_mipi_dsi_dphy_enable()
842 ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, in dw_mipi_dsi_dphy_enable()
849 static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_clear_err() argument
851 dsi_read(dsi, DSI_INT_ST0); in dw_mipi_dsi_clear_err()
852 dsi_read(dsi, DSI_INT_ST1); in dw_mipi_dsi_clear_err()
853 dsi_write(dsi, DSI_INT_MSK0, 0); in dw_mipi_dsi_clear_err()
854 dsi_write(dsi, DSI_INT_MSK1, 0); in dw_mipi_dsi_clear_err()
859 struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); in dw_mipi_dsi_bridge_post_disable() local
860 const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops; in dw_mipi_dsi_bridge_post_disable()
868 dw_mipi_dsi_set_mode(dsi, 0); in dw_mipi_dsi_bridge_post_disable()
872 * panel unprepare before the dsi "final" disable... in dw_mipi_dsi_bridge_post_disable()
876 if (dsi->panel_bridge->funcs->post_disable) in dw_mipi_dsi_bridge_post_disable()
877 dsi->panel_bridge->funcs->post_disable(dsi->panel_bridge); in dw_mipi_dsi_bridge_post_disable()
880 phy_ops->power_off(dsi->plat_data->priv_data); in dw_mipi_dsi_bridge_post_disable()
882 if (dsi->slave) { in dw_mipi_dsi_bridge_post_disable()
883 dw_mipi_dsi_disable(dsi->slave); in dw_mipi_dsi_bridge_post_disable()
884 clk_disable_unprepare(dsi->slave->pclk); in dw_mipi_dsi_bridge_post_disable()
885 pm_runtime_put(dsi->slave->dev); in dw_mipi_dsi_bridge_post_disable()
887 dw_mipi_dsi_disable(dsi); in dw_mipi_dsi_bridge_post_disable()
889 clk_disable_unprepare(dsi->pclk); in dw_mipi_dsi_bridge_post_disable()
890 pm_runtime_put(dsi->dev); in dw_mipi_dsi_bridge_post_disable()
893 static unsigned int dw_mipi_dsi_get_lanes(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_get_lanes() argument
896 if (dsi->master) in dw_mipi_dsi_get_lanes()
897 return dsi->master->lanes + dsi->lanes; in dw_mipi_dsi_get_lanes()
900 if (dsi->slave) in dw_mipi_dsi_get_lanes()
901 return dsi->lanes + dsi->slave->lanes; in dw_mipi_dsi_get_lanes()
903 /* single-dsi, so no other instance to consider */ in dw_mipi_dsi_get_lanes()
904 return dsi->lanes; in dw_mipi_dsi_get_lanes()
907 static void dw_mipi_dsi_mode_set(struct dw_mipi_dsi *dsi, in dw_mipi_dsi_mode_set() argument
910 const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops; in dw_mipi_dsi_mode_set()
911 void *priv_data = dsi->plat_data->priv_data; in dw_mipi_dsi_mode_set()
913 u32 lanes = dw_mipi_dsi_get_lanes(dsi); in dw_mipi_dsi_mode_set()
915 clk_prepare_enable(dsi->pclk); in dw_mipi_dsi_mode_set()
917 ret = phy_ops->get_lane_mbps(priv_data, adjusted_mode, dsi->mode_flags, in dw_mipi_dsi_mode_set()
918 lanes, dsi->format, &dsi->lane_mbps); in dw_mipi_dsi_mode_set()
922 pm_runtime_get_sync(dsi->dev); in dw_mipi_dsi_mode_set()
923 dw_mipi_dsi_init(dsi); in dw_mipi_dsi_mode_set()
924 dw_mipi_dsi_dpi_config(dsi, adjusted_mode); in dw_mipi_dsi_mode_set()
925 dw_mipi_dsi_packet_handler_config(dsi); in dw_mipi_dsi_mode_set()
926 dw_mipi_dsi_video_mode_config(dsi); in dw_mipi_dsi_mode_set()
927 dw_mipi_dsi_video_packet_config(dsi, adjusted_mode); in dw_mipi_dsi_mode_set()
928 dw_mipi_dsi_command_mode_config(dsi); in dw_mipi_dsi_mode_set()
929 dw_mipi_dsi_line_timer_config(dsi, adjusted_mode); in dw_mipi_dsi_mode_set()
930 dw_mipi_dsi_vertical_timing_config(dsi, adjusted_mode); in dw_mipi_dsi_mode_set()
932 dw_mipi_dsi_dphy_init(dsi); in dw_mipi_dsi_mode_set()
933 dw_mipi_dsi_dphy_timing_config(dsi); in dw_mipi_dsi_mode_set()
934 dw_mipi_dsi_dphy_interface_config(dsi); in dw_mipi_dsi_mode_set()
936 dw_mipi_dsi_clear_err(dsi); in dw_mipi_dsi_mode_set()
942 dw_mipi_dsi_dphy_enable(dsi); in dw_mipi_dsi_mode_set()
947 dw_mipi_dsi_set_mode(dsi, 0); in dw_mipi_dsi_mode_set()
950 phy_ops->power_on(dsi->plat_data->priv_data); in dw_mipi_dsi_mode_set()
957 struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); in dw_mipi_dsi_bridge_mode_set() local
959 dw_mipi_dsi_mode_set(dsi, adjusted_mode); in dw_mipi_dsi_bridge_mode_set()
960 if (dsi->slave) in dw_mipi_dsi_bridge_mode_set()
961 dw_mipi_dsi_mode_set(dsi->slave, adjusted_mode); in dw_mipi_dsi_bridge_mode_set()
966 struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); in dw_mipi_dsi_bridge_enable() local
969 dw_mipi_dsi_set_mode(dsi, MIPI_DSI_MODE_VIDEO); in dw_mipi_dsi_bridge_enable()
970 if (dsi->slave) in dw_mipi_dsi_bridge_enable()
971 dw_mipi_dsi_set_mode(dsi->slave, MIPI_DSI_MODE_VIDEO); in dw_mipi_dsi_bridge_enable()
979 struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); in dw_mipi_dsi_bridge_mode_valid() local
980 const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data; in dw_mipi_dsi_bridge_mode_valid()
992 struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); in dw_mipi_dsi_bridge_attach() local
1002 /* Attach the panel-bridge to the dsi bridge */ in dw_mipi_dsi_bridge_attach()
1003 return drm_bridge_attach(bridge->encoder, dsi->panel_bridge, bridge, in dw_mipi_dsi_bridge_attach()
1020 struct dw_mipi_dsi *dsi; in dw_mipi_dsi_debugfs_write() local
1026 dsi = vpg->dsi; in dw_mipi_dsi_debugfs_write()
1030 mode_cfg = dsi_read(dsi, DSI_VID_MODE_CFG); in dw_mipi_dsi_debugfs_write()
1037 dsi_write(dsi, DSI_VID_MODE_CFG, mode_cfg); in dw_mipi_dsi_debugfs_write()
1059 struct dw_mipi_dsi *dsi = data; in debugfs_create_files() local
1061 REGISTER(vpg, VID_MODE_VPG_ENABLE, dsi), in debugfs_create_files()
1062 REGISTER(vpg_horizontal, VID_MODE_VPG_HORIZONTAL, dsi), in debugfs_create_files()
1063 REGISTER(vpg_ber_pattern, VID_MODE_VPG_MODE, dsi), in debugfs_create_files()
1067 dsi->debugfs_vpg = kmemdup(debugfs, sizeof(debugfs), GFP_KERNEL); in debugfs_create_files()
1068 if (!dsi->debugfs_vpg) in debugfs_create_files()
1072 debugfs_create_file(dsi->debugfs_vpg[i].name, 0644, in debugfs_create_files()
1073 dsi->debugfs, &dsi->debugfs_vpg[i], in debugfs_create_files()
1077 static void dw_mipi_dsi_debugfs_init(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_debugfs_init() argument
1079 dsi->debugfs = debugfs_create_dir(dev_name(dsi->dev), NULL); in dw_mipi_dsi_debugfs_init()
1080 if (IS_ERR(dsi->debugfs)) { in dw_mipi_dsi_debugfs_init()
1081 dev_err(dsi->dev, "failed to create debugfs root\n"); in dw_mipi_dsi_debugfs_init()
1085 debugfs_create_files(dsi); in dw_mipi_dsi_debugfs_init()
1088 static void dw_mipi_dsi_debugfs_remove(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_debugfs_remove() argument
1090 debugfs_remove_recursive(dsi->debugfs); in dw_mipi_dsi_debugfs_remove()
1091 kfree(dsi->debugfs_vpg); in dw_mipi_dsi_debugfs_remove()
1096 static void dw_mipi_dsi_debugfs_init(struct dw_mipi_dsi *dsi) { } in dw_mipi_dsi_debugfs_init() argument
1097 static void dw_mipi_dsi_debugfs_remove(struct dw_mipi_dsi *dsi) { } in dw_mipi_dsi_debugfs_remove() argument
1107 struct dw_mipi_dsi *dsi; in __dw_mipi_dsi_probe() local
1110 dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); in __dw_mipi_dsi_probe()
1111 if (!dsi) in __dw_mipi_dsi_probe()
1114 dsi->dev = dev; in __dw_mipi_dsi_probe()
1115 dsi->plat_data = plat_data; in __dw_mipi_dsi_probe()
1124 dsi->base = devm_platform_ioremap_resource(pdev, 0); in __dw_mipi_dsi_probe()
1125 if (IS_ERR(dsi->base)) in __dw_mipi_dsi_probe()
1129 dsi->base = plat_data->base; in __dw_mipi_dsi_probe()
1132 dsi->pclk = devm_clk_get(dev, "pclk"); in __dw_mipi_dsi_probe()
1133 if (IS_ERR(dsi->pclk)) { in __dw_mipi_dsi_probe()
1134 ret = PTR_ERR(dsi->pclk); in __dw_mipi_dsi_probe()
1154 ret = clk_prepare_enable(dsi->pclk); in __dw_mipi_dsi_probe()
1164 clk_disable_unprepare(dsi->pclk); in __dw_mipi_dsi_probe()
1167 dw_mipi_dsi_debugfs_init(dsi); in __dw_mipi_dsi_probe()
1170 dsi->dsi_host.ops = &dw_mipi_dsi_host_ops; in __dw_mipi_dsi_probe()
1171 dsi->dsi_host.dev = dev; in __dw_mipi_dsi_probe()
1172 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
1234 ret = drm_bridge_attach(encoder, &dsi->bridge, NULL, 0); in dw_mipi_dsi_bind()
1244 void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi) in dw_mipi_dsi_unbind() argument
1251 MODULE_DESCRIPTION("DW MIPI DSI host controller driver");
1253 MODULE_ALIAS("platform:dw-mipi-dsi");