Lines Matching +full:rockchip +full:- +full:display
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
4 * Zheng Yang <zhengyang@rock-chips.com>
5 * Yakir Yang <ykk@rock-chips.com>
25 #include <drm/display/drm_hdmi_helper.h>
26 #include <drm/display/drm_hdmi_state_helper.h>
100 * Cb = -0.291G - 0.148R + 0.439B + 128
102 * Cr = -0.368G + 0.439R - 0.071B + 128
111 * Cb = - 0.338G - 0.101R + 0.439B + 128
113 * Cr = - 0.399G + 0.439R - 0.040B + 128
122 * R' = R x (235-16)/255 + 16;
123 * G' = G x (235-16)/255 + 16;
124 * B' = B x (235-16)/255 + 16;
149 hdmi->variant->phy_configs; in inno_hdmi_find_phy_config()
157 DRM_DEV_DEBUG(hdmi->dev, "No phy configuration for pixelclock %lu\n", in inno_hdmi_find_phy_config()
160 return -EINVAL; in inno_hdmi_find_phy_config()
165 return readl_relaxed(hdmi->regs + (offset) * 0x04); in hdmi_readb()
170 writel_relaxed(val, hdmi->regs + (offset) * 0x04); in hdmi_writeb()
221 phy_config = hdmi->variant->default_phy_config; in inno_hdmi_power_up()
222 DRM_DEV_ERROR(hdmi->dev, in inno_hdmi_power_up()
226 phy_config = &hdmi->variant->phy_configs[ret]; in inno_hdmi_power_up()
231 hdmi_writeb(hdmi, HDMI_PHY_PRE_EMPHASIS, phy_config->pre_emphasis); in inno_hdmi_power_up()
232 hdmi_writeb(hdmi, HDMI_PHY_DRIVER, phy_config->voltage_level_control); in inno_hdmi_power_up()
267 drm_err(connector->dev, in inno_hdmi_disable_frame()
285 drm_err(connector->dev, in inno_hdmi_upload_frame()
305 struct drm_connector *connector = &hdmi->connector; in inno_hdmi_config_video_csc()
306 struct drm_connector_state *conn_state = connector->state; in inno_hdmi_config_video_csc()
326 if (conn_state->hdmi.output_format == HDMI_COLORSPACE_RGB) { in inno_hdmi_config_video_csc()
327 if (conn_state->hdmi.is_limited_range) { in inno_hdmi_config_video_csc()
344 if (inno_conn_state->colorimetry == HDMI_COLORIMETRY_ITU_601) { in inno_hdmi_config_video_csc()
345 if (conn_state->hdmi.output_format == HDMI_COLORSPACE_YUV444) { in inno_hdmi_config_video_csc()
352 if (conn_state->hdmi.output_format == HDMI_COLORSPACE_YUV444) { in inno_hdmi_config_video_csc()
381 value |= mode->flags & DRM_MODE_FLAG_PHSYNC ? in inno_hdmi_config_video_timing()
383 value |= mode->flags & DRM_MODE_FLAG_PVSYNC ? in inno_hdmi_config_video_timing()
385 value |= mode->flags & DRM_MODE_FLAG_INTERLACE ? in inno_hdmi_config_video_timing()
390 value = mode->htotal; in inno_hdmi_config_video_timing()
394 value = mode->htotal - mode->hdisplay; in inno_hdmi_config_video_timing()
398 value = mode->htotal - mode->hsync_start; in inno_hdmi_config_video_timing()
402 value = mode->hsync_end - mode->hsync_start; in inno_hdmi_config_video_timing()
406 value = mode->vtotal; in inno_hdmi_config_video_timing()
410 value = mode->vtotal - mode->vdisplay; in inno_hdmi_config_video_timing()
413 value = mode->vtotal - mode->vsync_start; in inno_hdmi_config_video_timing()
416 value = mode->vsync_end - mode->vsync_start; in inno_hdmi_config_video_timing()
429 struct drm_connector *connector = &hdmi->connector; in inno_hdmi_setup()
430 struct drm_display_info *display = &connector->display_info; in inno_hdmi_setup() local
436 return -EINVAL; in inno_hdmi_setup()
438 new_crtc_state = drm_atomic_get_new_crtc_state(state, new_conn_state->crtc); in inno_hdmi_setup()
440 return -EINVAL; in inno_hdmi_setup()
448 v_HDMI_DVI(display->is_hdmi)); in inno_hdmi_setup()
450 inno_hdmi_config_video_timing(hdmi, &new_crtc_state->adjusted_mode); in inno_hdmi_setup()
462 inno_hdmi_i2c_init(hdmi, new_conn_state->hdmi.tmds_char_rate); in inno_hdmi_setup()
468 inno_hdmi_power_up(hdmi, new_conn_state->hdmi.tmds_char_rate); in inno_hdmi_setup()
479 /* No support for double-clock modes */ in inno_hdmi_display_mode_valid()
480 if (mode->flags & DRM_MODE_FLAG_DBLCLK) in inno_hdmi_display_mode_valid()
483 mpixelclk = mode->clock * 1000; in inno_hdmi_display_mode_valid()
491 if (hdmi->refclk) { in inno_hdmi_display_mode_valid()
492 rounded_refclk = clk_round_rate(hdmi->refclk, mpixelclk); in inno_hdmi_display_mode_valid()
496 /* Vesa DMT standard mentions +/- 0.5% max tolerance */ in inno_hdmi_display_mode_valid()
527 struct drm_display_mode *mode = &crtc_state->adjusted_mode; in inno_hdmi_encoder_atomic_check()
532 s->output_mode = ROCKCHIP_OUT_MODE_P888; in inno_hdmi_encoder_atomic_check()
533 s->output_type = DRM_MODE_CONNECTOR_HDMIA; in inno_hdmi_encoder_atomic_check()
539 inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_601; in inno_hdmi_encoder_atomic_check()
541 inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_709; in inno_hdmi_encoder_atomic_check()
567 if (!hdmi->ddc) in inno_hdmi_connector_get_modes()
570 drm_edid = drm_edid_read_ddc(connector, hdmi->ddc); in inno_hdmi_connector_get_modes()
594 __drm_atomic_helper_connector_destroy_state(&inno_conn_state->base); in inno_hdmi_connector_destroy_state()
602 if (connector->state) { in inno_hdmi_connector_reset()
603 inno_hdmi_connector_destroy_state(connector, connector->state); in inno_hdmi_connector_reset()
604 connector->state = NULL; in inno_hdmi_connector_reset()
611 __drm_atomic_helper_connector_reset(connector, &inno_conn_state->base); in inno_hdmi_connector_reset()
612 __drm_atomic_helper_connector_hdmi_reset(connector, connector->state); in inno_hdmi_connector_reset()
614 inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_709; in inno_hdmi_connector_reset()
622 if (WARN_ON(!connector->state)) in inno_hdmi_connector_duplicate_state()
625 inno_conn_state = kmemdup(to_inno_hdmi_conn_state(connector->state), in inno_hdmi_connector_duplicate_state()
632 &inno_conn_state->base); in inno_hdmi_connector_duplicate_state()
634 return &inno_conn_state->base; in inno_hdmi_connector_duplicate_state()
653 struct drm_encoder *encoder = &hdmi->encoder.encoder; in inno_hdmi_register()
654 struct device *dev = hdmi->dev; in inno_hdmi_register()
656 encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); in inno_hdmi_register()
664 if (encoder->possible_crtcs == 0) in inno_hdmi_register()
665 return -EPROBE_DEFER; in inno_hdmi_register()
670 hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; in inno_hdmi_register()
672 drm_connector_helper_add(&hdmi->connector, in inno_hdmi_register()
674 drmm_connector_hdmi_init(drm, &hdmi->connector, in inno_hdmi_register()
675 "Rockchip", "Inno HDMI", in inno_hdmi_register()
679 hdmi->ddc, in inno_hdmi_register()
683 drm_connector_attach_encoder(&hdmi->connector, encoder); in inno_hdmi_register()
690 struct inno_hdmi_i2c *i2c = hdmi->i2c; in inno_hdmi_i2c_irq()
700 complete(&i2c->cmp); in inno_hdmi_i2c_irq()
711 if (hdmi->i2c) in inno_hdmi_hardirq()
727 drm_helper_hpd_irq_event(hdmi->connector.dev); in inno_hdmi_irq()
734 int length = msgs->len; in inno_hdmi_i2c_read()
735 u8 *buf = msgs->buf; in inno_hdmi_i2c_read()
738 ret = wait_for_completion_timeout(&hdmi->i2c->cmp, HZ / 10); in inno_hdmi_i2c_read()
740 return -EAGAIN; in inno_hdmi_i2c_read()
742 while (length--) in inno_hdmi_i2c_read()
755 if ((msgs->len != 1) || in inno_hdmi_i2c_write()
756 ((msgs->addr != DDC_ADDR) && (msgs->addr != DDC_SEGMENT_ADDR))) in inno_hdmi_i2c_write()
757 return -EINVAL; in inno_hdmi_i2c_write()
759 reinit_completion(&hdmi->i2c->cmp); in inno_hdmi_i2c_write()
761 if (msgs->addr == DDC_SEGMENT_ADDR) in inno_hdmi_i2c_write()
762 hdmi->i2c->segment_addr = msgs->buf[0]; in inno_hdmi_i2c_write()
763 if (msgs->addr == DDC_ADDR) in inno_hdmi_i2c_write()
764 hdmi->i2c->ddc_addr = msgs->buf[0]; in inno_hdmi_i2c_write()
770 hdmi_writeb(hdmi, HDMI_EDID_WORD_ADDR, hdmi->i2c->ddc_addr); in inno_hdmi_i2c_write()
773 hdmi_writeb(hdmi, HDMI_EDID_SEGMENT_POINTER, hdmi->i2c->segment_addr); in inno_hdmi_i2c_write()
782 struct inno_hdmi_i2c *i2c = hdmi->i2c; in inno_hdmi_i2c_xfer()
785 mutex_lock(&i2c->lock); in inno_hdmi_i2c_xfer()
792 DRM_DEV_DEBUG(hdmi->dev, in inno_hdmi_i2c_xfer()
811 mutex_unlock(&i2c->lock); in inno_hdmi_i2c_xfer()
832 i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL); in inno_hdmi_i2c_adapter()
834 return ERR_PTR(-ENOMEM); in inno_hdmi_i2c_adapter()
836 mutex_init(&i2c->lock); in inno_hdmi_i2c_adapter()
837 init_completion(&i2c->cmp); in inno_hdmi_i2c_adapter()
839 adap = &i2c->adap; in inno_hdmi_i2c_adapter()
840 adap->owner = THIS_MODULE; in inno_hdmi_i2c_adapter()
841 adap->dev.parent = hdmi->dev; in inno_hdmi_i2c_adapter()
842 adap->dev.of_node = hdmi->dev->of_node; in inno_hdmi_i2c_adapter()
843 adap->algo = &inno_hdmi_algorithm; in inno_hdmi_i2c_adapter()
844 strscpy(adap->name, "Inno HDMI", sizeof(adap->name)); in inno_hdmi_i2c_adapter()
849 dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name); in inno_hdmi_i2c_adapter()
850 devm_kfree(hdmi->dev, i2c); in inno_hdmi_i2c_adapter()
854 hdmi->i2c = i2c; in inno_hdmi_i2c_adapter()
856 DRM_DEV_INFO(hdmi->dev, "registered %s I2C bus driver\n", adap->name); in inno_hdmi_i2c_adapter()
873 return -ENOMEM; in inno_hdmi_bind()
875 hdmi->dev = dev; in inno_hdmi_bind()
877 variant = of_device_get_match_data(hdmi->dev); in inno_hdmi_bind()
879 return -EINVAL; in inno_hdmi_bind()
881 hdmi->variant = variant; in inno_hdmi_bind()
883 hdmi->regs = devm_platform_ioremap_resource(pdev, 0); in inno_hdmi_bind()
884 if (IS_ERR(hdmi->regs)) in inno_hdmi_bind()
885 return PTR_ERR(hdmi->regs); in inno_hdmi_bind()
887 hdmi->pclk = devm_clk_get(hdmi->dev, "pclk"); in inno_hdmi_bind()
888 if (IS_ERR(hdmi->pclk)) { in inno_hdmi_bind()
889 DRM_DEV_ERROR(hdmi->dev, "Unable to get HDMI pclk clk\n"); in inno_hdmi_bind()
890 return PTR_ERR(hdmi->pclk); in inno_hdmi_bind()
893 ret = clk_prepare_enable(hdmi->pclk); in inno_hdmi_bind()
895 DRM_DEV_ERROR(hdmi->dev, in inno_hdmi_bind()
900 hdmi->refclk = devm_clk_get_optional(hdmi->dev, "ref"); in inno_hdmi_bind()
901 if (IS_ERR(hdmi->refclk)) { in inno_hdmi_bind()
902 DRM_DEV_ERROR(hdmi->dev, "Unable to get HDMI reference clock\n"); in inno_hdmi_bind()
903 ret = PTR_ERR(hdmi->refclk); in inno_hdmi_bind()
907 ret = clk_prepare_enable(hdmi->refclk); in inno_hdmi_bind()
909 DRM_DEV_ERROR(hdmi->dev, in inno_hdmi_bind()
922 hdmi->ddc = inno_hdmi_i2c_adapter(hdmi); in inno_hdmi_bind()
923 if (IS_ERR(hdmi->ddc)) { in inno_hdmi_bind()
924 ret = PTR_ERR(hdmi->ddc); in inno_hdmi_bind()
925 hdmi->ddc = NULL; in inno_hdmi_bind()
936 if (hdmi->refclk) in inno_hdmi_bind()
937 inno_hdmi_i2c_init(hdmi, clk_get_rate(hdmi->refclk)); in inno_hdmi_bind()
939 inno_hdmi_i2c_init(hdmi, clk_get_rate(hdmi->pclk)); in inno_hdmi_bind()
958 hdmi->connector.funcs->destroy(&hdmi->connector); in inno_hdmi_bind()
959 hdmi->encoder.encoder.funcs->destroy(&hdmi->encoder.encoder); in inno_hdmi_bind()
961 i2c_put_adapter(hdmi->ddc); in inno_hdmi_bind()
963 clk_disable_unprepare(hdmi->refclk); in inno_hdmi_bind()
965 clk_disable_unprepare(hdmi->pclk); in inno_hdmi_bind()
974 hdmi->connector.funcs->destroy(&hdmi->connector); in inno_hdmi_unbind()
975 hdmi->encoder.encoder.funcs->destroy(&hdmi->encoder.encoder); in inno_hdmi_unbind()
977 i2c_put_adapter(hdmi->ddc); in inno_hdmi_unbind()
978 clk_disable_unprepare(hdmi->refclk); in inno_hdmi_unbind()
979 clk_disable_unprepare(hdmi->pclk); in inno_hdmi_unbind()
989 return component_add(&pdev->dev, &inno_hdmi_ops); in inno_hdmi_probe()
994 component_del(&pdev->dev, &inno_hdmi_ops); in inno_hdmi_remove()
1008 { .compatible = "rockchip,rk3036-inno-hdmi",
1011 { .compatible = "rockchip,rk3128-inno-hdmi",
1022 .name = "innohdmi-rockchip",