Lines Matching +full:mediatek +full:- +full:display
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2014 MediaTek Inc.
4 * Author: Jie Qiu <jie.qiu@mediatek.com>
11 #include <linux/media-bus-format.h>
16 #include <linux/soc/mediatek/mtk-mmsys.h>
120 * struct mtk_dpi_conf - Configuration of mediatek dpi.
163 u32 tmp = readl(dpi->regs + offset) & ~mask; in mtk_dpi_mask()
166 writel(tmp, dpi->regs + offset); in mtk_dpi_mask()
187 mtk_dpi_mask(dpi, DPI_TGEN_HWIDTH, sync->sync_width << HPW, in mtk_dpi_config_hsync()
188 dpi->conf->dimension_mask << HPW); in mtk_dpi_config_hsync()
189 mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->back_porch << HBP, in mtk_dpi_config_hsync()
190 dpi->conf->dimension_mask << HBP); in mtk_dpi_config_hsync()
191 mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->front_porch << HFP, in mtk_dpi_config_hsync()
192 dpi->conf->dimension_mask << HFP); in mtk_dpi_config_hsync()
200 sync->shift_half_line << VSYNC_HALF_LINE_SHIFT, in mtk_dpi_config_vsync()
203 sync->sync_width << VSYNC_WIDTH_SHIFT, in mtk_dpi_config_vsync()
204 dpi->conf->dimension_mask << VSYNC_WIDTH_SHIFT); in mtk_dpi_config_vsync()
206 sync->back_porch << VSYNC_BACK_PORCH_SHIFT, in mtk_dpi_config_vsync()
207 dpi->conf->dimension_mask << VSYNC_BACK_PORCH_SHIFT); in mtk_dpi_config_vsync()
209 sync->front_porch << VSYNC_FRONT_PORCH_SHIFT, in mtk_dpi_config_vsync()
210 dpi->conf->dimension_mask << VSYNC_FRONT_PORCH_SHIFT); in mtk_dpi_config_vsync()
247 pol = (dpi_pol->hsync_pol == MTK_DPI_POLARITY_RISING ? 0 : HSYNC_POL) | in mtk_dpi_config_pol()
248 (dpi_pol->vsync_pol == MTK_DPI_POLARITY_RISING ? 0 : VSYNC_POL); in mtk_dpi_config_pol()
249 if (dpi->conf->is_ck_de_pol) { in mtk_dpi_config_pol()
251 pol |= (dpi_pol->ck_pol == MTK_DPI_POLARITY_RISING ? in mtk_dpi_config_pol()
253 (dpi_pol->de_pol == MTK_DPI_POLARITY_RISING ? in mtk_dpi_config_pol()
273 dpi->conf->hvsize_mask << HSIZE); in mtk_dpi_config_fb_size()
275 dpi->conf->hvsize_mask << VSIZE); in mtk_dpi_config_fb_size()
282 if (drm_default_rgb_quant_range(&dpi->mode) == in mtk_dpi_config_channel_limit()
390 val << dpi->conf->channel_swap_shift, in mtk_dpi_config_channel_swap()
391 CH_SWAP_MASK << dpi->conf->channel_swap_shift); in mtk_dpi_config_channel_swap()
396 mtk_dpi_mask(dpi, DPI_CON, enable ? dpi->conf->yuv422_en_bit : 0, in mtk_dpi_config_yuv422_enable()
397 dpi->conf->yuv422_en_bit); in mtk_dpi_config_yuv422_enable()
402 mtk_dpi_mask(dpi, DPI_CON, enable ? dpi->conf->csc_enable_bit : 0, in mtk_dpi_config_csc_enable()
403 dpi->conf->csc_enable_bit); in mtk_dpi_config_csc_enable()
413 if (dpi->conf->reg_h_fre_con) in mtk_dpi_config_2n_h_fre()
414 mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, H_FRE_2N, H_FRE_2N); in mtk_dpi_config_2n_h_fre()
419 if (dpi->conf->edge_sel_en && dpi->conf->reg_h_fre_con) in mtk_dpi_config_disable_edge()
420 mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, 0, EDGE_SEL_EN); in mtk_dpi_config_disable_edge()
436 mtk_dpi_mask(dpi, DPI_MATRIX_SET, dpi->mode.hdisplay <= 720 ? in mtk_dpi_config_color_format()
442 if (dpi->conf->swap_input_support) in mtk_dpi_config_color_format()
449 if ((dpi->output_fmt == MEDIA_BUS_FMT_RGB888_2X12_LE) || in mtk_dpi_dual_edge()
450 (dpi->output_fmt == MEDIA_BUS_FMT_RGB888_2X12_BE)) { in mtk_dpi_dual_edge()
454 dpi->output_fmt == MEDIA_BUS_FMT_RGB888_2X12_LE ? in mtk_dpi_dual_edge()
456 if (dpi->conf->edge_cfg_in_mmsys) in mtk_dpi_dual_edge()
457 mtk_mmsys_ddp_dpi_fmt_config(dpi->mmsys_dev, MTK_DPI_RGB888_DDR_CON); in mtk_dpi_dual_edge()
460 if (dpi->conf->edge_cfg_in_mmsys) in mtk_dpi_dual_edge()
461 mtk_mmsys_ddp_dpi_fmt_config(dpi->mmsys_dev, MTK_DPI_RGB888_SDR_CON); in mtk_dpi_dual_edge()
467 if (WARN_ON(dpi->refcount == 0)) in mtk_dpi_power_off()
470 if (--dpi->refcount != 0) in mtk_dpi_power_off()
474 clk_disable_unprepare(dpi->pixel_clk); in mtk_dpi_power_off()
475 clk_disable_unprepare(dpi->tvd_clk); in mtk_dpi_power_off()
476 clk_disable_unprepare(dpi->engine_clk); in mtk_dpi_power_off()
483 if (++dpi->refcount != 1) in mtk_dpi_power_on()
486 ret = clk_prepare_enable(dpi->engine_clk); in mtk_dpi_power_on()
488 dev_err(dpi->dev, "Failed to enable engine clock: %d\n", ret); in mtk_dpi_power_on()
492 ret = clk_prepare_enable(dpi->tvd_clk); in mtk_dpi_power_on()
494 dev_err(dpi->dev, "Failed to enable tvd pll: %d\n", ret); in mtk_dpi_power_on()
498 ret = clk_prepare_enable(dpi->pixel_clk); in mtk_dpi_power_on()
500 dev_err(dpi->dev, "Failed to enable pixel clock: %d\n", ret); in mtk_dpi_power_on()
507 clk_disable_unprepare(dpi->tvd_clk); in mtk_dpi_power_on()
509 clk_disable_unprepare(dpi->engine_clk); in mtk_dpi_power_on()
511 dpi->refcount--; in mtk_dpi_power_on()
529 factor = dpi->conf->cal_factor(mode->clock); in mtk_dpi_set_display_mode()
533 dev_dbg(dpi->dev, "Want PLL %lu Hz, pixel clock %lu Hz\n", in mtk_dpi_set_display_mode()
536 clk_set_rate(dpi->tvd_clk, pll_rate); in mtk_dpi_set_display_mode()
537 pll_rate = clk_get_rate(dpi->tvd_clk); in mtk_dpi_set_display_mode()
542 * adjust the display porches accordingly. in mtk_dpi_set_display_mode()
545 vm.pixelclock /= dpi->conf->pixels_per_iter; in mtk_dpi_set_display_mode()
547 if ((dpi->output_fmt == MEDIA_BUS_FMT_RGB888_2X12_LE) || in mtk_dpi_set_display_mode()
548 (dpi->output_fmt == MEDIA_BUS_FMT_RGB888_2X12_BE)) in mtk_dpi_set_display_mode()
549 clk_set_rate(dpi->pixel_clk, vm.pixelclock * 2); in mtk_dpi_set_display_mode()
551 clk_set_rate(dpi->pixel_clk, vm.pixelclock); in mtk_dpi_set_display_mode()
554 vm.pixelclock = clk_get_rate(dpi->pixel_clk); in mtk_dpi_set_display_mode()
556 dev_dbg(dpi->dev, "Got PLL %lu Hz, pixel clock %lu Hz\n", in mtk_dpi_set_display_mode()
569 * adjust the display porches accordingly. in mtk_dpi_set_display_mode()
571 hsync.sync_width = vm.hsync_len / dpi->conf->pixels_per_iter; in mtk_dpi_set_display_mode()
572 hsync.back_porch = vm.hback_porch / dpi->conf->pixels_per_iter; in mtk_dpi_set_display_mode()
573 hsync.front_porch = vm.hfront_porch / dpi->conf->pixels_per_iter; in mtk_dpi_set_display_mode()
582 mode->flags & DRM_MODE_FLAG_3D_MASK) { in mtk_dpi_set_display_mode()
589 !(mode->flags & DRM_MODE_FLAG_3D_MASK)) { in mtk_dpi_set_display_mode()
593 mode->flags & DRM_MODE_FLAG_3D_MASK) { in mtk_dpi_set_display_mode()
605 mtk_dpi_config_3d(dpi, !!(mode->flags & DRM_MODE_FLAG_3D_MASK)); in mtk_dpi_set_display_mode()
614 mtk_dpi_config_bit_num(dpi, dpi->bit_num); in mtk_dpi_set_display_mode()
615 mtk_dpi_config_channel_swap(dpi, dpi->channel_swap); in mtk_dpi_set_display_mode()
616 mtk_dpi_config_color_format(dpi, dpi->color_format); in mtk_dpi_set_display_mode()
617 if (dpi->conf->support_direct_pin) { in mtk_dpi_set_display_mode()
618 mtk_dpi_config_yc_map(dpi, dpi->yc_map); in mtk_dpi_set_display_mode()
623 if (dpi->conf->input_2p_en_bit) { in mtk_dpi_set_display_mode()
624 mtk_dpi_mask(dpi, DPI_CON, dpi->conf->input_2p_en_bit, in mtk_dpi_set_display_mode()
625 dpi->conf->input_2p_en_bit); in mtk_dpi_set_display_mode()
643 if (!dpi->conf->output_fmts) { in mtk_dpi_bridge_atomic_get_output_bus_fmts()
644 dev_err(dpi->dev, "output_fmts should not be null\n"); in mtk_dpi_bridge_atomic_get_output_bus_fmts()
648 output_fmts = kcalloc(dpi->conf->num_output_fmts, sizeof(*output_fmts), in mtk_dpi_bridge_atomic_get_output_bus_fmts()
653 *num_output_fmts = dpi->conf->num_output_fmts; in mtk_dpi_bridge_atomic_get_output_bus_fmts()
655 memcpy(output_fmts, dpi->conf->output_fmts, in mtk_dpi_bridge_atomic_get_output_bus_fmts()
656 sizeof(*output_fmts) * dpi->conf->num_output_fmts); in mtk_dpi_bridge_atomic_get_output_bus_fmts()
691 out_bus_format = bridge_state->output_bus_cfg.format; in mtk_dpi_bridge_atomic_check()
694 if (dpi->conf->num_output_fmts) in mtk_dpi_bridge_atomic_check()
695 out_bus_format = dpi->conf->output_fmts[0]; in mtk_dpi_bridge_atomic_check()
697 dev_dbg(dpi->dev, "input format 0x%04x, output format 0x%04x\n", in mtk_dpi_bridge_atomic_check()
698 bridge_state->input_bus_cfg.format, in mtk_dpi_bridge_atomic_check()
699 bridge_state->output_bus_cfg.format); in mtk_dpi_bridge_atomic_check()
701 dpi->output_fmt = out_bus_format; in mtk_dpi_bridge_atomic_check()
702 dpi->bit_num = MTK_DPI_OUT_BIT_NUM_8BITS; in mtk_dpi_bridge_atomic_check()
703 dpi->channel_swap = MTK_DPI_OUT_CHANNEL_SWAP_RGB; in mtk_dpi_bridge_atomic_check()
704 dpi->yc_map = MTK_DPI_OUT_YC_MAP_RGB; in mtk_dpi_bridge_atomic_check()
706 dpi->color_format = MTK_DPI_COLOR_FORMAT_YCBCR_422; in mtk_dpi_bridge_atomic_check()
708 dpi->color_format = MTK_DPI_COLOR_FORMAT_RGB; in mtk_dpi_bridge_atomic_check()
718 return drm_bridge_attach(bridge->encoder, dpi->next_bridge, in mtk_dpi_bridge_attach()
719 &dpi->bridge, flags); in mtk_dpi_bridge_attach()
728 drm_mode_copy(&dpi->mode, adjusted_mode); in mtk_dpi_bridge_mode_set()
737 if (dpi->pinctrl && dpi->pins_gpio) in mtk_dpi_bridge_disable()
738 pinctrl_select_state(dpi->pinctrl, dpi->pins_gpio); in mtk_dpi_bridge_disable()
745 if (dpi->pinctrl && dpi->pins_dpi) in mtk_dpi_bridge_enable()
746 pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); in mtk_dpi_bridge_enable()
749 mtk_dpi_set_display_mode(dpi, &dpi->mode); in mtk_dpi_bridge_enable()
760 if (mode->clock > dpi->conf->max_clock_khz) in mtk_dpi_bridge_mode_valid()
797 unsigned int encoder_index = drm_encoder_index(&dpi->encoder); in mtk_dpi_encoder_index()
807 struct mtk_drm_private *priv = drm_dev->dev_private; in mtk_dpi_bind()
810 dpi->mmsys_dev = priv->mmsys_dev; in mtk_dpi_bind()
811 ret = drm_simple_encoder_init(drm_dev, &dpi->encoder, in mtk_dpi_bind()
818 ret = mtk_find_possible_crtcs(drm_dev, dpi->dev); in mtk_dpi_bind()
821 dpi->encoder.possible_crtcs = ret; in mtk_dpi_bind()
823 ret = drm_bridge_attach(&dpi->encoder, &dpi->bridge, NULL, in mtk_dpi_bind()
828 dpi->connector = drm_bridge_connector_init(drm_dev, &dpi->encoder); in mtk_dpi_bind()
829 if (IS_ERR(dpi->connector)) { in mtk_dpi_bind()
831 ret = PTR_ERR(dpi->connector); in mtk_dpi_bind()
834 drm_connector_attach_encoder(dpi->connector, &dpi->encoder); in mtk_dpi_bind()
839 drm_encoder_cleanup(&dpi->encoder); in mtk_dpi_bind()
848 drm_encoder_cleanup(&dpi->encoder); in mtk_dpi_unbind()
1015 struct device *dev = &pdev->dev; in mtk_dpi_probe()
1021 return -ENOMEM; in mtk_dpi_probe()
1023 dpi->dev = dev; in mtk_dpi_probe()
1024 dpi->conf = (struct mtk_dpi_conf *)of_device_get_match_data(dev); in mtk_dpi_probe()
1025 dpi->output_fmt = MEDIA_BUS_FMT_RGB888_1X24; in mtk_dpi_probe()
1027 dpi->pinctrl = devm_pinctrl_get(&pdev->dev); in mtk_dpi_probe()
1028 if (IS_ERR(dpi->pinctrl)) { in mtk_dpi_probe()
1029 dpi->pinctrl = NULL; in mtk_dpi_probe()
1030 dev_dbg(&pdev->dev, "Cannot find pinctrl!\n"); in mtk_dpi_probe()
1032 if (dpi->pinctrl) { in mtk_dpi_probe()
1033 dpi->pins_gpio = pinctrl_lookup_state(dpi->pinctrl, "sleep"); in mtk_dpi_probe()
1034 if (IS_ERR(dpi->pins_gpio)) { in mtk_dpi_probe()
1035 dpi->pins_gpio = NULL; in mtk_dpi_probe()
1036 dev_dbg(&pdev->dev, "Cannot find pinctrl idle!\n"); in mtk_dpi_probe()
1038 if (dpi->pins_gpio) in mtk_dpi_probe()
1039 pinctrl_select_state(dpi->pinctrl, dpi->pins_gpio); in mtk_dpi_probe()
1041 dpi->pins_dpi = pinctrl_lookup_state(dpi->pinctrl, "default"); in mtk_dpi_probe()
1042 if (IS_ERR(dpi->pins_dpi)) { in mtk_dpi_probe()
1043 dpi->pins_dpi = NULL; in mtk_dpi_probe()
1044 dev_dbg(&pdev->dev, "Cannot find pinctrl active!\n"); in mtk_dpi_probe()
1047 dpi->regs = devm_platform_ioremap_resource(pdev, 0); in mtk_dpi_probe()
1048 if (IS_ERR(dpi->regs)) in mtk_dpi_probe()
1049 return dev_err_probe(dev, PTR_ERR(dpi->regs), in mtk_dpi_probe()
1052 dpi->engine_clk = devm_clk_get(dev, "engine"); in mtk_dpi_probe()
1053 if (IS_ERR(dpi->engine_clk)) in mtk_dpi_probe()
1054 return dev_err_probe(dev, PTR_ERR(dpi->engine_clk), in mtk_dpi_probe()
1057 dpi->pixel_clk = devm_clk_get(dev, "pixel"); in mtk_dpi_probe()
1058 if (IS_ERR(dpi->pixel_clk)) in mtk_dpi_probe()
1059 return dev_err_probe(dev, PTR_ERR(dpi->pixel_clk), in mtk_dpi_probe()
1062 dpi->tvd_clk = devm_clk_get(dev, "pll"); in mtk_dpi_probe()
1063 if (IS_ERR(dpi->tvd_clk)) in mtk_dpi_probe()
1064 return dev_err_probe(dev, PTR_ERR(dpi->tvd_clk), in mtk_dpi_probe()
1067 dpi->irq = platform_get_irq(pdev, 0); in mtk_dpi_probe()
1068 if (dpi->irq < 0) in mtk_dpi_probe()
1069 return dpi->irq; in mtk_dpi_probe()
1071 dpi->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0); in mtk_dpi_probe()
1072 if (IS_ERR(dpi->next_bridge)) in mtk_dpi_probe()
1073 return dev_err_probe(dev, PTR_ERR(dpi->next_bridge), in mtk_dpi_probe()
1076 dev_info(dev, "Found bridge node: %pOF\n", dpi->next_bridge->of_node); in mtk_dpi_probe()
1080 dpi->bridge.funcs = &mtk_dpi_bridge_funcs; in mtk_dpi_probe()
1081 dpi->bridge.of_node = dev->of_node; in mtk_dpi_probe()
1082 dpi->bridge.type = DRM_MODE_CONNECTOR_DPI; in mtk_dpi_probe()
1084 ret = devm_drm_bridge_add(dev, &dpi->bridge); in mtk_dpi_probe()
1097 component_del(&pdev->dev, &mtk_dpi_component_ops); in mtk_dpi_remove()
1101 { .compatible = "mediatek,mt2701-dpi", .data = &mt2701_conf },
1102 { .compatible = "mediatek,mt8173-dpi", .data = &mt8173_conf },
1103 { .compatible = "mediatek,mt8183-dpi", .data = &mt8183_conf },
1104 { .compatible = "mediatek,mt8186-dpi", .data = &mt8186_conf },
1105 { .compatible = "mediatek,mt8188-dp-intf", .data = &mt8195_dpintf_conf },
1106 { .compatible = "mediatek,mt8192-dpi", .data = &mt8192_conf },
1107 { .compatible = "mediatek,mt8195-dp-intf", .data = &mt8195_dpintf_conf },
1116 .name = "mediatek-dpi",