Lines Matching refs:hdmi
12 #include <linux/hdmi.h>
159 static inline u8 hdmi_readb(struct inno_hdmi *hdmi, u16 offset)
161 return readl_relaxed(hdmi->regs + (offset) * 0x04);
164 static inline void hdmi_writeb(struct inno_hdmi *hdmi, u16 offset, u32 val)
166 writel_relaxed(val, hdmi->regs + (offset) * 0x04);
169 static inline void hdmi_modb(struct inno_hdmi *hdmi, u16 offset,
172 u8 temp = hdmi_readb(hdmi, offset) & ~msk;
175 hdmi_writeb(hdmi, offset, temp);
178 static void inno_hdmi_i2c_init(struct inno_hdmi *hdmi)
182 ddc_bus_freq = (hdmi->tmds_rate >> 2) / HDMI_SCL_RATE;
184 hdmi_writeb(hdmi, DDC_BUS_FREQ_L, ddc_bus_freq & 0xFF);
185 hdmi_writeb(hdmi, DDC_BUS_FREQ_H, (ddc_bus_freq >> 8) & 0xFF);
188 hdmi_writeb(hdmi, HDMI_INTERRUPT_MASK1, 0);
189 hdmi_writeb(hdmi, HDMI_INTERRUPT_STATUS1, m_INT_EDID_READY);
192 static void inno_hdmi_sys_power(struct inno_hdmi *hdmi, bool enable)
195 hdmi_modb(hdmi, HDMI_SYS_CTRL, m_POWER, v_PWR_ON);
197 hdmi_modb(hdmi, HDMI_SYS_CTRL, m_POWER, v_PWR_OFF);
200 static void inno_hdmi_set_pwr_mode(struct inno_hdmi *hdmi, int mode)
204 inno_hdmi_sys_power(hdmi, false);
206 hdmi_writeb(hdmi, HDMI_PHY_PRE_EMPHASIS, 0x6f);
207 hdmi_writeb(hdmi, HDMI_PHY_DRIVER, 0xbb);
209 hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x15);
210 hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x14);
211 hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x10);
212 hdmi_writeb(hdmi, HDMI_PHY_CHG_PWR, 0x0f);
213 hdmi_writeb(hdmi, HDMI_PHY_SYNC, 0x00);
214 hdmi_writeb(hdmi, HDMI_PHY_SYNC, 0x01);
216 inno_hdmi_sys_power(hdmi, true);
220 inno_hdmi_sys_power(hdmi, false);
221 hdmi_writeb(hdmi, HDMI_PHY_DRIVER, 0x00);
222 hdmi_writeb(hdmi, HDMI_PHY_PRE_EMPHASIS, 0x00);
223 hdmi_writeb(hdmi, HDMI_PHY_CHG_PWR, 0x00);
224 hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x15);
229 DRM_DEV_ERROR(hdmi->dev, "Unknown power mode %d\n", mode);
233 static void inno_hdmi_reset(struct inno_hdmi *hdmi)
238 hdmi_modb(hdmi, HDMI_SYS_CTRL, m_RST_DIGITAL, v_NOT_RST_DIGITAL);
241 hdmi_modb(hdmi, HDMI_SYS_CTRL, m_RST_ANALOG, v_NOT_RST_ANALOG);
246 hdmi_modb(hdmi, HDMI_SYS_CTRL, msk, val);
248 inno_hdmi_set_pwr_mode(hdmi, NORMAL);
251 static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi, int setup_rc,
256 hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, disable);
258 hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, frame_index);
270 hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i,
274 hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, enable);
280 static int inno_hdmi_config_video_vsi(struct inno_hdmi *hdmi,
286 rc = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi,
287 &hdmi->connector,
290 return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_VSI,
294 static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
301 &hdmi->connector,
304 if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV444)
306 else if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV422)
311 return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_AVI, 0, 0, 0);
314 static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
316 struct hdmi_data_info *data = &hdmi->hdmi_data;
325 hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL1, v_DE_EXTERNAL |
332 hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL2, value);
338 hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value);
340 hdmi_modb(hdmi, HDMI_VIDEO_CONTRL,
379 hdmi_writeb(hdmi, HDMI_VIDEO_CSC_COEF + i,
383 hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value);
384 hdmi_modb(hdmi, HDMI_VIDEO_CONTRL, m_VIDEO_AUTO_CSC |
391 static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi,
404 hdmi_writeb(hdmi, HDMI_VIDEO_TIMING_CTL, value);
408 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HTOTAL_L, value & 0xFF);
409 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HTOTAL_H, (value >> 8) & 0xFF);
412 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_L, value & 0xFF);
413 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_H, (value >> 8) & 0xFF);
416 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_L, value & 0xFF);
417 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_H, (value >> 8) & 0xFF);
420 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDURATION_L, value & 0xFF);
421 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDURATION_H, (value >> 8) & 0xFF);
424 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VTOTAL_L, value & 0xFF);
425 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VTOTAL_H, (value >> 8) & 0xFF);
428 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VBLANK, value & 0xFF);
431 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VDELAY, value & 0xFF);
434 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VDURATION, value & 0xFF);
436 hdmi_writeb(hdmi, HDMI_PHY_PRE_DIV_RATIO, 0x1e);
437 hdmi_writeb(hdmi, HDMI_PHY_FEEDBACK_DIV_RATIO_LOW, 0x2c);
438 hdmi_writeb(hdmi, HDMI_PHY_FEEDBACK_DIV_RATIO_HIGH, 0x01);
443 static int inno_hdmi_setup(struct inno_hdmi *hdmi,
446 struct drm_display_info *display = &hdmi->connector.display_info;
448 hdmi->hdmi_data.vic = drm_match_cea_mode(mode);
450 hdmi->hdmi_data.enc_in_format = HDMI_COLORSPACE_RGB;
451 hdmi->hdmi_data.enc_out_format = HDMI_COLORSPACE_RGB;
453 if ((hdmi->hdmi_data.vic == 6) || (hdmi->hdmi_data.vic == 7) ||
454 (hdmi->hdmi_data.vic == 21) || (hdmi->hdmi_data.vic == 22) ||
455 (hdmi->hdmi_data.vic == 2) || (hdmi->hdmi_data.vic == 3) ||
456 (hdmi->hdmi_data.vic == 17) || (hdmi->hdmi_data.vic == 18))
457 hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_601;
459 hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709;
462 hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
466 hdmi_writeb(hdmi, HDMI_HDCP_CTRL,
469 inno_hdmi_config_video_timing(hdmi, mode);
471 inno_hdmi_config_video_csc(hdmi);
474 inno_hdmi_config_video_avi(hdmi, mode);
475 inno_hdmi_config_video_vsi(hdmi, mode);
484 hdmi->tmds_rate = mode->clock * 1000;
485 inno_hdmi_i2c_init(hdmi);
488 hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
498 struct inno_hdmi *hdmi = encoder_to_inno_hdmi(encoder);
500 inno_hdmi_setup(hdmi, adj_mode);
503 drm_mode_copy(&hdmi->previous_mode, adj_mode);
508 struct inno_hdmi *hdmi = encoder_to_inno_hdmi(encoder);
510 inno_hdmi_set_pwr_mode(hdmi, NORMAL);
515 struct inno_hdmi *hdmi = encoder_to_inno_hdmi(encoder);
517 inno_hdmi_set_pwr_mode(hdmi, LOWER_PWR);
551 struct inno_hdmi *hdmi = connector_to_inno_hdmi(connector);
553 return (hdmi_readb(hdmi, HDMI_STATUS) & m_HOTPLUG) ?
559 struct inno_hdmi *hdmi = connector_to_inno_hdmi(connector);
563 if (!hdmi->ddc)
566 edid = drm_get_edid(connector, hdmi->ddc);
568 hdmi->hdmi_data.sink_has_audio = drm_detect_monitor_audio(edid);
611 static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi)
613 struct drm_encoder *encoder = &hdmi->encoder.encoder;
614 struct device *dev = hdmi->dev;
630 hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
632 drm_connector_helper_add(&hdmi->connector,
634 drm_connector_init_with_ddc(drm, &hdmi->connector,
637 hdmi->ddc);
639 drm_connector_attach_encoder(&hdmi->connector, encoder);
644 static irqreturn_t inno_hdmi_i2c_irq(struct inno_hdmi *hdmi)
646 struct inno_hdmi_i2c *i2c = hdmi->i2c;
649 stat = hdmi_readb(hdmi, HDMI_INTERRUPT_STATUS1);
654 hdmi_writeb(hdmi, HDMI_INTERRUPT_STATUS1, m_INT_EDID_READY);
663 struct inno_hdmi *hdmi = dev_id;
667 if (hdmi->i2c)
668 ret = inno_hdmi_i2c_irq(hdmi);
670 interrupt = hdmi_readb(hdmi, HDMI_STATUS);
672 hdmi_modb(hdmi, HDMI_STATUS, m_INT_HOTPLUG, m_INT_HOTPLUG);
681 struct inno_hdmi *hdmi = dev_id;
683 drm_helper_hpd_irq_event(hdmi->connector.dev);
688 static int inno_hdmi_i2c_read(struct inno_hdmi *hdmi, struct i2c_msg *msgs)
694 ret = wait_for_completion_timeout(&hdmi->i2c->cmp, HZ / 10);
699 *buf++ = hdmi_readb(hdmi, HDMI_EDID_FIFO_ADDR);
704 static int inno_hdmi_i2c_write(struct inno_hdmi *hdmi, struct i2c_msg *msgs)
715 reinit_completion(&hdmi->i2c->cmp);
718 hdmi->i2c->segment_addr = msgs->buf[0];
720 hdmi->i2c->ddc_addr = msgs->buf[0];
723 hdmi_writeb(hdmi, HDMI_EDID_FIFO_OFFSET, 0x00);
726 hdmi_writeb(hdmi, HDMI_EDID_WORD_ADDR, hdmi->i2c->ddc_addr);
729 hdmi_writeb(hdmi, HDMI_EDID_SEGMENT_POINTER, hdmi->i2c->segment_addr);
737 struct inno_hdmi *hdmi = i2c_get_adapdata(adap);
738 struct inno_hdmi_i2c *i2c = hdmi->i2c;
744 hdmi_writeb(hdmi, HDMI_INTERRUPT_MASK1, m_INT_EDID_READY);
745 hdmi_writeb(hdmi, HDMI_INTERRUPT_STATUS1, m_INT_EDID_READY);
748 DRM_DEV_DEBUG(hdmi->dev,
753 ret = inno_hdmi_i2c_read(hdmi, &msgs[i]);
755 ret = inno_hdmi_i2c_write(hdmi, &msgs[i]);
765 hdmi_writeb(hdmi, HDMI_INTERRUPT_MASK1, 0);
782 static struct i2c_adapter *inno_hdmi_i2c_adapter(struct inno_hdmi *hdmi)
788 i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL);
798 adap->dev.parent = hdmi->dev;
799 adap->dev.of_node = hdmi->dev->of_node;
802 i2c_set_adapdata(adap, hdmi);
806 dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name);
807 devm_kfree(hdmi->dev, i2c);
811 hdmi->i2c = i2c;
813 DRM_DEV_INFO(hdmi->dev, "registered %s I2C bus driver\n", adap->name);
823 struct inno_hdmi *hdmi;
827 hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
828 if (!hdmi)
831 hdmi->dev = dev;
832 hdmi->drm_dev = drm;
834 hdmi->regs = devm_platform_ioremap_resource(pdev, 0);
835 if (IS_ERR(hdmi->regs))
836 return PTR_ERR(hdmi->regs);
838 hdmi->pclk = devm_clk_get(hdmi->dev, "pclk");
839 if (IS_ERR(hdmi->pclk)) {
840 DRM_DEV_ERROR(hdmi->dev, "Unable to get HDMI pclk clk\n");
841 return PTR_ERR(hdmi->pclk);
844 ret = clk_prepare_enable(hdmi->pclk);
846 DRM_DEV_ERROR(hdmi->dev,
857 inno_hdmi_reset(hdmi);
859 hdmi->ddc = inno_hdmi_i2c_adapter(hdmi);
860 if (IS_ERR(hdmi->ddc)) {
861 ret = PTR_ERR(hdmi->ddc);
862 hdmi->ddc = NULL;
872 hdmi->tmds_rate = clk_get_rate(hdmi->pclk);
873 inno_hdmi_i2c_init(hdmi);
875 ret = inno_hdmi_register(drm, hdmi);
879 dev_set_drvdata(dev, hdmi);
882 hdmi_modb(hdmi, HDMI_STATUS, m_MASK_INT_HOTPLUG, v_MASK_INT_HOTPLUG(1));
886 dev_name(dev), hdmi);
892 hdmi->connector.funcs->destroy(&hdmi->connector);
893 hdmi->encoder.encoder.funcs->destroy(&hdmi->encoder.encoder);
895 i2c_put_adapter(hdmi->ddc);
897 clk_disable_unprepare(hdmi->pclk);
904 struct inno_hdmi *hdmi = dev_get_drvdata(dev);
906 hdmi->connector.funcs->destroy(&hdmi->connector);
907 hdmi->encoder.encoder.funcs->destroy(&hdmi->encoder.encoder);
909 i2c_put_adapter(hdmi->ddc);
910 clk_disable_unprepare(hdmi->pclk);
929 { .compatible = "rockchip,rk3036-inno-hdmi",