Lines Matching refs:tc
292 struct tc_data *tc = bridge_to_tc(bridge); in tc_bridge_pre_enable() local
293 struct device *dev = &tc->dsi->dev; in tc_bridge_pre_enable()
296 ret = regulator_enable(tc->vddio); in tc_bridge_pre_enable()
301 ret = regulator_enable(tc->vdd); in tc_bridge_pre_enable()
306 gpiod_set_value(tc->stby_gpio, 0); in tc_bridge_pre_enable()
309 gpiod_set_value(tc->reset_gpio, 0); in tc_bridge_pre_enable()
315 struct tc_data *tc = bridge_to_tc(bridge); in tc_bridge_post_disable() local
316 struct device *dev = &tc->dsi->dev; in tc_bridge_post_disable()
319 gpiod_set_value(tc->reset_gpio, 1); in tc_bridge_post_disable()
322 gpiod_set_value(tc->stby_gpio, 1); in tc_bridge_post_disable()
325 ret = regulator_disable(tc->vdd); in tc_bridge_post_disable()
330 ret = regulator_disable(tc->vddio); in tc_bridge_post_disable()
387 struct tc_data *tc = bridge_to_tc(bridge); in tc_bridge_enable() local
413 d2l_read(tc->i2c, IDREG, &val); in tc_bridge_enable()
415 dev_info(tc->dev, "DSI2LVDS Chip ID.%02x Revision ID. %02x **\n", in tc_bridge_enable()
418 d2l_write(tc->i2c, SYSRST, SYS_RST_REG | SYS_RST_DSIRX | SYS_RST_BM | in tc_bridge_enable()
422 d2l_write(tc->i2c, PPI_TX_RX_TA, TTA_GET | TTA_SURE); in tc_bridge_enable()
423 d2l_write(tc->i2c, PPI_LPTXTIMECNT, LPX_PERIOD); in tc_bridge_enable()
424 d2l_write(tc->i2c, PPI_D0S_CLRSIPOCOUNT, 3); in tc_bridge_enable()
425 d2l_write(tc->i2c, PPI_D1S_CLRSIPOCOUNT, 3); in tc_bridge_enable()
426 d2l_write(tc->i2c, PPI_D2S_CLRSIPOCOUNT, 3); in tc_bridge_enable()
427 d2l_write(tc->i2c, PPI_D3S_CLRSIPOCOUNT, 3); in tc_bridge_enable()
429 val = ((L0EN << tc->num_dsi_lanes) - L0EN) | DSI_CLEN_BIT; in tc_bridge_enable()
430 d2l_write(tc->i2c, PPI_LANEENABLE, val); in tc_bridge_enable()
431 d2l_write(tc->i2c, DSI_LANEENABLE, val); in tc_bridge_enable()
433 d2l_write(tc->i2c, PPI_STARTPPI, PPI_START_FUNCTION); in tc_bridge_enable()
434 d2l_write(tc->i2c, DSI_STARTDSI, DSI_RX_START); in tc_bridge_enable()
437 if (tc->type == TC358765) in tc_bridge_enable()
442 if (tc->bpc == 8) in tc_bridge_enable()
447 dsiclk = mode->crtc_clock * 3 * tc->bpc / tc->num_dsi_lanes / 1000; in tc_bridge_enable()
448 clkdiv = dsiclk / (tc->lvds_link == DUAL_LINK ? DIVIDE_BY_6 : DIVIDE_BY_3); in tc_bridge_enable()
450 t1 = hactive * (tc->bpc * 3 / 8) / tc->num_dsi_lanes; in tc_bridge_enable()
452 t3 = ((t2 * byteclk) / 100) - (hactive * (tc->bpc * 3 / 8) / in tc_bridge_enable()
453 tc->num_dsi_lanes); in tc_bridge_enable()
458 d2l_write(tc->i2c, VPCTRL, val); in tc_bridge_enable()
460 d2l_write(tc->i2c, HTIM1, htime1); in tc_bridge_enable()
461 d2l_write(tc->i2c, VTIM1, vtime1); in tc_bridge_enable()
462 d2l_write(tc->i2c, HTIM2, htime2); in tc_bridge_enable()
463 d2l_write(tc->i2c, VTIM2, vtime2); in tc_bridge_enable()
465 d2l_write(tc->i2c, VFUEN, VFUEN_EN); in tc_bridge_enable()
466 d2l_write(tc->i2c, SYSRST, SYS_RST_LCD); in tc_bridge_enable()
467 d2l_write(tc->i2c, LVPHY0, LV_PHY0_PRBS_ON(4) | LV_PHY0_ND(6)); in tc_bridge_enable()
469 dev_dbg(tc->dev, "bus_formats %04x bpc %d\n", in tc_bridge_enable()
471 tc->bpc); in tc_bridge_enable()
475 d2l_write(tc->i2c, LV_MX0003, LV_MX(LVI_R0, LVI_R1, LVI_R2, LVI_R3)); in tc_bridge_enable()
476 d2l_write(tc->i2c, LV_MX0407, LV_MX(LVI_R4, LVI_R7, LVI_R5, LVI_G0)); in tc_bridge_enable()
477 d2l_write(tc->i2c, LV_MX0811, LV_MX(LVI_G1, LVI_G2, LVI_G6, LVI_G7)); in tc_bridge_enable()
478 d2l_write(tc->i2c, LV_MX1215, LV_MX(LVI_G3, LVI_G4, LVI_G5, LVI_B0)); in tc_bridge_enable()
479 d2l_write(tc->i2c, LV_MX1619, LV_MX(LVI_B6, LVI_B7, LVI_B1, LVI_B2)); in tc_bridge_enable()
480 d2l_write(tc->i2c, LV_MX2023, LV_MX(LVI_B3, LVI_B4, LVI_B5, LVI_L0)); in tc_bridge_enable()
481 d2l_write(tc->i2c, LV_MX2427, LV_MX(LVI_HS, LVI_VS, LVI_DE, LVI_R6)); in tc_bridge_enable()
484 d2l_write(tc->i2c, LV_MX0003, LV_MX(LVI_R2, LVI_R3, LVI_R4, LVI_R5)); in tc_bridge_enable()
485 d2l_write(tc->i2c, LV_MX0407, LV_MX(LVI_R6, LVI_R1, LVI_R7, LVI_G2)); in tc_bridge_enable()
486 d2l_write(tc->i2c, LV_MX0811, LV_MX(LVI_G3, LVI_G4, LVI_G0, LVI_G1)); in tc_bridge_enable()
487 d2l_write(tc->i2c, LV_MX1215, LV_MX(LVI_G5, LVI_G6, LVI_G7, LVI_B2)); in tc_bridge_enable()
488 d2l_write(tc->i2c, LV_MX1619, LV_MX(LVI_B0, LVI_B1, LVI_B3, LVI_B4)); in tc_bridge_enable()
489 d2l_write(tc->i2c, LV_MX2023, LV_MX(LVI_B5, LVI_B6, LVI_B7, LVI_L0)); in tc_bridge_enable()
490 d2l_write(tc->i2c, LV_MX2427, LV_MX(LVI_HS, LVI_VS, LVI_DE, LVI_R0)); in tc_bridge_enable()
493 d2l_write(tc->i2c, VFUEN, VFUEN_EN); in tc_bridge_enable()
496 if (tc->lvds_link == DUAL_LINK) { in tc_bridge_enable()
502 d2l_write(tc->i2c, LVCFG, val); in tc_bridge_enable()
510 struct tc_data *tc = bridge_to_tc(bridge); in tc_mode_valid() local
516 if ((mode->clock > 135000 && tc->lvds_link == SINGLE_LINK) || in tc_mode_valid()
517 (mode->clock > 270000 && tc->lvds_link == DUAL_LINK)) in tc_mode_valid()
524 tc->bpc = 8; in tc_mode_valid()
528 tc->bpc = 6; in tc_mode_valid()
531 dev_warn(tc->dev, in tc_mode_valid()
540 static int tc358775_parse_dt(struct device_node *np, struct tc_data *tc) in tc358775_parse_dt() argument
546 endpoint = of_graph_get_endpoint_by_regs(tc->dev->of_node, in tc358775_parse_dt()
556 dev_warn(tc->dev, "no dsi-lanes for the bridge, using host lanes\n"); in tc358775_parse_dt()
564 tc->num_dsi_lanes = dsi_lanes; in tc358775_parse_dt()
566 tc->host_node = of_graph_get_remote_node(np, 0, 0); in tc358775_parse_dt()
567 if (!tc->host_node) in tc358775_parse_dt()
570 of_node_put(tc->host_node); in tc358775_parse_dt()
572 tc->lvds_link = SINGLE_LINK; in tc358775_parse_dt()
573 endpoint = of_graph_get_endpoint_by_regs(tc->dev->of_node, in tc358775_parse_dt()
581 tc->lvds_link = DUAL_LINK; in tc358775_parse_dt()
586 dev_dbg(tc->dev, "no.of dsi lanes: %d\n", tc->num_dsi_lanes); in tc358775_parse_dt()
587 dev_dbg(tc->dev, "operating in %d-link mode\n", tc->lvds_link); in tc358775_parse_dt()
595 struct tc_data *tc = bridge_to_tc(bridge); in tc_bridge_attach() local
598 return drm_bridge_attach(bridge->encoder, tc->panel_bridge, in tc_bridge_attach()
599 &tc->bridge, flags); in tc_bridge_attach()
610 static int tc_attach_host(struct tc_data *tc) in tc_attach_host() argument
612 struct device *dev = &tc->i2c->dev; in tc_attach_host()
621 host = of_find_mipi_dsi_host_by_node(tc->host_node); in tc_attach_host()
631 tc->dsi = dsi; in tc_attach_host()
633 dsi->lanes = tc->num_dsi_lanes; in tc_attach_host()
645 if (tc->type == TC358765) in tc_attach_host()
663 struct tc_data *tc; in tc_probe() local
666 tc = devm_kzalloc(dev, sizeof(*tc), GFP_KERNEL); in tc_probe()
667 if (!tc) in tc_probe()
670 tc->dev = dev; in tc_probe()
671 tc->i2c = client; in tc_probe()
672 tc->type = (enum tc3587x5_type)(unsigned long)of_device_get_match_data(dev); in tc_probe()
674 tc->panel_bridge = devm_drm_of_get_bridge(dev, dev->of_node, in tc_probe()
676 if (IS_ERR(tc->panel_bridge)) in tc_probe()
677 return PTR_ERR(tc->panel_bridge); in tc_probe()
679 ret = tc358775_parse_dt(dev->of_node, tc); in tc_probe()
683 tc->vddio = devm_regulator_get(dev, "vddio-supply"); in tc_probe()
684 if (IS_ERR(tc->vddio)) { in tc_probe()
685 ret = PTR_ERR(tc->vddio); in tc_probe()
690 tc->vdd = devm_regulator_get(dev, "vdd-supply"); in tc_probe()
691 if (IS_ERR(tc->vdd)) { in tc_probe()
692 ret = PTR_ERR(tc->vdd); in tc_probe()
697 tc->stby_gpio = devm_gpiod_get_optional(dev, "stby", GPIOD_OUT_HIGH); in tc_probe()
698 if (IS_ERR(tc->stby_gpio)) in tc_probe()
699 return PTR_ERR(tc->stby_gpio); in tc_probe()
701 tc->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); in tc_probe()
702 if (IS_ERR(tc->reset_gpio)) { in tc_probe()
703 ret = PTR_ERR(tc->reset_gpio); in tc_probe()
708 tc->bridge.funcs = &tc_bridge_funcs; in tc_probe()
709 tc->bridge.of_node = dev->of_node; in tc_probe()
710 tc->bridge.pre_enable_prev_first = true; in tc_probe()
711 drm_bridge_add(&tc->bridge); in tc_probe()
713 i2c_set_clientdata(client, tc); in tc_probe()
715 ret = tc_attach_host(tc); in tc_probe()
722 drm_bridge_remove(&tc->bridge); in tc_probe()
728 struct tc_data *tc = i2c_get_clientdata(client); in tc_remove() local
730 drm_bridge_remove(&tc->bridge); in tc_remove()