Lines Matching +full:ddc +full:- +full:i2c
1 // SPDX-License-Identifier: GPL-2.0-only
4 * Zheng Yang <zhengyang@rock-chips.com>
5 * Yakir Yang <ykk@rock-chips.com>
61 struct inno_hdmi_i2c *i2c; member
62 struct i2c_adapter *ddc; member
82 * R = 1.164*Y + 1.596*V - 204
83 * G = 1.164*Y - 0.391*U - 0.813*V + 154
84 * B = 1.164*Y + 2.018*U - 258
93 * R = Y + 1.402*V - 248
94 * G = Y - 0.344*U - 0.714*V + 135
95 * B = Y + 1.772*U - 227
104 * R = 1.164*Y + 1.793*V - 248
105 * G = 1.164*Y - 0.213*U - 0.534*V + 77
106 * B = 1.164*Y + 2.115*U - 289
116 * Cb = -0.291G - 0.148R + 0.439B + 128
118 * Cr = -0.368G + 0.439R - 0.071B + 128
127 * Cb = - 0.338G - 0.101R + 0.439B + 128
129 * Cr = - 0.399G + 0.439R - 0.040B + 128
138 * R' = R x (235-16)/255 + 16;
139 * G' = G x (235-16)/255 + 16;
140 * B' = B x (235-16)/255 + 16;
151 return readl_relaxed(hdmi->regs + (offset) * 0x04); in hdmi_readb()
156 writel_relaxed(val, hdmi->regs + (offset) * 0x04); in hdmi_writeb()
172 ddc_bus_freq = (hdmi->tmds_rate >> 2) / HDMI_SCL_RATE; in inno_hdmi_i2c_init()
219 DRM_DEV_ERROR(hdmi->dev, "Unknown power mode %d\n", mode); in inno_hdmi_set_pwr_mode()
277 &hdmi->connector, in inno_hdmi_config_video_vsi()
291 &hdmi->connector, in inno_hdmi_config_video_avi()
294 if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV444) in inno_hdmi_config_video_avi()
296 else if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV422) in inno_hdmi_config_video_avi()
306 struct hdmi_data_info *data = &hdmi->hdmi_data; in inno_hdmi_config_video_csc()
324 if (data->enc_in_format == data->enc_out_format) { in inno_hdmi_config_video_csc()
325 if ((data->enc_in_format == HDMI_COLORSPACE_RGB) || in inno_hdmi_config_video_csc()
326 (data->enc_in_format >= HDMI_COLORSPACE_YUV444)) { in inno_hdmi_config_video_csc()
338 if (data->colorimetry == HDMI_COLORIMETRY_ITU_601) { in inno_hdmi_config_video_csc()
339 if ((data->enc_in_format == HDMI_COLORSPACE_RGB) && in inno_hdmi_config_video_csc()
340 (data->enc_out_format == HDMI_COLORSPACE_YUV444)) { in inno_hdmi_config_video_csc()
345 } else if ((data->enc_in_format == HDMI_COLORSPACE_YUV444) && in inno_hdmi_config_video_csc()
346 (data->enc_out_format == HDMI_COLORSPACE_RGB)) { in inno_hdmi_config_video_csc()
353 if ((data->enc_in_format == HDMI_COLORSPACE_RGB) && in inno_hdmi_config_video_csc()
354 (data->enc_out_format == HDMI_COLORSPACE_YUV444)) { in inno_hdmi_config_video_csc()
359 } else if ((data->enc_in_format == HDMI_COLORSPACE_YUV444) && in inno_hdmi_config_video_csc()
360 (data->enc_out_format == HDMI_COLORSPACE_RGB)) { in inno_hdmi_config_video_csc()
388 value |= mode->flags & DRM_MODE_FLAG_PHSYNC ? in inno_hdmi_config_video_timing()
390 value |= mode->flags & DRM_MODE_FLAG_PVSYNC ? in inno_hdmi_config_video_timing()
392 value |= mode->flags & DRM_MODE_FLAG_INTERLACE ? in inno_hdmi_config_video_timing()
397 value = mode->htotal; in inno_hdmi_config_video_timing()
401 value = mode->htotal - mode->hdisplay; in inno_hdmi_config_video_timing()
405 value = mode->hsync_start - mode->hdisplay; in inno_hdmi_config_video_timing()
409 value = mode->hsync_end - mode->hsync_start; in inno_hdmi_config_video_timing()
413 value = mode->vtotal; in inno_hdmi_config_video_timing()
417 value = mode->vtotal - mode->vdisplay; in inno_hdmi_config_video_timing()
420 value = mode->vsync_start - mode->vdisplay; in inno_hdmi_config_video_timing()
423 value = mode->vsync_end - mode->vsync_start; in inno_hdmi_config_video_timing()
436 hdmi->hdmi_data.vic = drm_match_cea_mode(mode); in inno_hdmi_setup()
438 hdmi->hdmi_data.enc_in_format = HDMI_COLORSPACE_RGB; in inno_hdmi_setup()
439 hdmi->hdmi_data.enc_out_format = HDMI_COLORSPACE_RGB; in inno_hdmi_setup()
441 if ((hdmi->hdmi_data.vic == 6) || (hdmi->hdmi_data.vic == 7) || in inno_hdmi_setup()
442 (hdmi->hdmi_data.vic == 21) || (hdmi->hdmi_data.vic == 22) || in inno_hdmi_setup()
443 (hdmi->hdmi_data.vic == 2) || (hdmi->hdmi_data.vic == 3) || in inno_hdmi_setup()
444 (hdmi->hdmi_data.vic == 17) || (hdmi->hdmi_data.vic == 18)) in inno_hdmi_setup()
445 hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_601; in inno_hdmi_setup()
447 hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709; in inno_hdmi_setup()
455 v_HDMI_DVI(hdmi->hdmi_data.sink_is_hdmi)); in inno_hdmi_setup()
461 if (hdmi->hdmi_data.sink_is_hdmi) { in inno_hdmi_setup()
470 * clock rate, and reconfigure the DDC clock. in inno_hdmi_setup()
472 hdmi->tmds_rate = mode->clock * 1000; in inno_hdmi_setup()
491 memcpy(&hdmi->previous_mode, adj_mode, sizeof(hdmi->previous_mode)); in inno_hdmi_encoder_mode_set()
522 s->output_mode = ROCKCHIP_OUT_MODE_P888; in inno_hdmi_encoder_atomic_check()
523 s->output_type = DRM_MODE_CONNECTOR_HDMIA; in inno_hdmi_encoder_atomic_check()
551 if (!hdmi->ddc) in inno_hdmi_connector_get_modes()
554 edid = drm_get_edid(connector, hdmi->ddc); in inno_hdmi_connector_get_modes()
556 hdmi->hdmi_data.sink_is_hdmi = drm_detect_hdmi_monitor(edid); in inno_hdmi_connector_get_modes()
557 hdmi->hdmi_data.sink_has_audio = drm_detect_monitor_audio(edid); in inno_hdmi_connector_get_modes()
602 struct drm_encoder *encoder = &hdmi->encoder; in inno_hdmi_register()
603 struct device *dev = hdmi->dev; in inno_hdmi_register()
605 encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); in inno_hdmi_register()
613 if (encoder->possible_crtcs == 0) in inno_hdmi_register()
614 return -EPROBE_DEFER; in inno_hdmi_register()
619 hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; in inno_hdmi_register()
621 drm_connector_helper_add(&hdmi->connector, in inno_hdmi_register()
623 drm_connector_init_with_ddc(drm, &hdmi->connector, in inno_hdmi_register()
626 hdmi->ddc); in inno_hdmi_register()
628 drm_connector_attach_encoder(&hdmi->connector, encoder); in inno_hdmi_register()
635 struct inno_hdmi_i2c *i2c = hdmi->i2c; in inno_hdmi_i2c_irq() local
645 complete(&i2c->cmp); in inno_hdmi_i2c_irq()
656 if (hdmi->i2c) in inno_hdmi_hardirq()
672 drm_helper_hpd_irq_event(hdmi->connector.dev); in inno_hdmi_irq()
679 int length = msgs->len; in inno_hdmi_i2c_read()
680 u8 *buf = msgs->buf; in inno_hdmi_i2c_read()
683 ret = wait_for_completion_timeout(&hdmi->i2c->cmp, HZ / 10); in inno_hdmi_i2c_read()
685 return -EAGAIN; in inno_hdmi_i2c_read()
687 while (length--) in inno_hdmi_i2c_read()
696 * The DDC module only support read EDID message, so in inno_hdmi_i2c_write()
697 * we assume that each word write to this i2c adapter in inno_hdmi_i2c_write()
700 if ((msgs->len != 1) || in inno_hdmi_i2c_write()
701 ((msgs->addr != DDC_ADDR) && (msgs->addr != DDC_SEGMENT_ADDR))) in inno_hdmi_i2c_write()
702 return -EINVAL; in inno_hdmi_i2c_write()
704 reinit_completion(&hdmi->i2c->cmp); in inno_hdmi_i2c_write()
706 if (msgs->addr == DDC_SEGMENT_ADDR) in inno_hdmi_i2c_write()
707 hdmi->i2c->segment_addr = msgs->buf[0]; in inno_hdmi_i2c_write()
708 if (msgs->addr == DDC_ADDR) in inno_hdmi_i2c_write()
709 hdmi->i2c->ddc_addr = msgs->buf[0]; in inno_hdmi_i2c_write()
715 hdmi_writeb(hdmi, HDMI_EDID_WORD_ADDR, hdmi->i2c->ddc_addr); in inno_hdmi_i2c_write()
718 hdmi_writeb(hdmi, HDMI_EDID_SEGMENT_POINTER, hdmi->i2c->segment_addr); in inno_hdmi_i2c_write()
727 struct inno_hdmi_i2c *i2c = hdmi->i2c; in inno_hdmi_i2c_xfer() local
730 mutex_lock(&i2c->lock); in inno_hdmi_i2c_xfer()
737 DRM_DEV_DEBUG(hdmi->dev, in inno_hdmi_i2c_xfer()
756 mutex_unlock(&i2c->lock); in inno_hdmi_i2c_xfer()
774 struct inno_hdmi_i2c *i2c; in inno_hdmi_i2c_adapter() local
777 i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL); in inno_hdmi_i2c_adapter()
778 if (!i2c) in inno_hdmi_i2c_adapter()
779 return ERR_PTR(-ENOMEM); in inno_hdmi_i2c_adapter()
781 mutex_init(&i2c->lock); in inno_hdmi_i2c_adapter()
782 init_completion(&i2c->cmp); in inno_hdmi_i2c_adapter()
784 adap = &i2c->adap; in inno_hdmi_i2c_adapter()
785 adap->class = I2C_CLASS_DDC; in inno_hdmi_i2c_adapter()
786 adap->owner = THIS_MODULE; in inno_hdmi_i2c_adapter()
787 adap->dev.parent = hdmi->dev; in inno_hdmi_i2c_adapter()
788 adap->dev.of_node = hdmi->dev->of_node; in inno_hdmi_i2c_adapter()
789 adap->algo = &inno_hdmi_algorithm; in inno_hdmi_i2c_adapter()
790 strlcpy(adap->name, "Inno HDMI", sizeof(adap->name)); in inno_hdmi_i2c_adapter()
795 dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name); in inno_hdmi_i2c_adapter()
796 devm_kfree(hdmi->dev, i2c); in inno_hdmi_i2c_adapter()
800 hdmi->i2c = i2c; in inno_hdmi_i2c_adapter()
802 DRM_DEV_INFO(hdmi->dev, "registered %s I2C bus driver\n", adap->name); in inno_hdmi_i2c_adapter()
819 return -ENOMEM; in inno_hdmi_bind()
821 hdmi->dev = dev; in inno_hdmi_bind()
822 hdmi->drm_dev = drm; in inno_hdmi_bind()
825 hdmi->regs = devm_ioremap_resource(dev, iores); in inno_hdmi_bind()
826 if (IS_ERR(hdmi->regs)) in inno_hdmi_bind()
827 return PTR_ERR(hdmi->regs); in inno_hdmi_bind()
829 hdmi->pclk = devm_clk_get(hdmi->dev, "pclk"); in inno_hdmi_bind()
830 if (IS_ERR(hdmi->pclk)) { in inno_hdmi_bind()
831 DRM_DEV_ERROR(hdmi->dev, "Unable to get HDMI pclk clk\n"); in inno_hdmi_bind()
832 return PTR_ERR(hdmi->pclk); in inno_hdmi_bind()
835 ret = clk_prepare_enable(hdmi->pclk); in inno_hdmi_bind()
837 DRM_DEV_ERROR(hdmi->dev, in inno_hdmi_bind()
850 hdmi->ddc = inno_hdmi_i2c_adapter(hdmi); in inno_hdmi_bind()
851 if (IS_ERR(hdmi->ddc)) { in inno_hdmi_bind()
852 ret = PTR_ERR(hdmi->ddc); in inno_hdmi_bind()
853 hdmi->ddc = NULL; in inno_hdmi_bind()
861 * and reconfigure the DDC clock. in inno_hdmi_bind()
863 hdmi->tmds_rate = clk_get_rate(hdmi->pclk); in inno_hdmi_bind()
883 hdmi->connector.funcs->destroy(&hdmi->connector); in inno_hdmi_bind()
884 hdmi->encoder.funcs->destroy(&hdmi->encoder); in inno_hdmi_bind()
886 i2c_put_adapter(hdmi->ddc); in inno_hdmi_bind()
888 clk_disable_unprepare(hdmi->pclk); in inno_hdmi_bind()
897 hdmi->connector.funcs->destroy(&hdmi->connector); in inno_hdmi_unbind()
898 hdmi->encoder.funcs->destroy(&hdmi->encoder); in inno_hdmi_unbind()
900 i2c_put_adapter(hdmi->ddc); in inno_hdmi_unbind()
901 clk_disable_unprepare(hdmi->pclk); in inno_hdmi_unbind()
911 return component_add(&pdev->dev, &inno_hdmi_ops); in inno_hdmi_probe()
916 component_del(&pdev->dev, &inno_hdmi_ops); in inno_hdmi_remove()
922 { .compatible = "rockchip,rk3036-inno-hdmi",
932 .name = "innohdmi-rockchip",