Lines Matching refs:hdmi
12 #include <linux/hdmi.h>
149 static inline u8 hdmi_readb(struct inno_hdmi *hdmi, u16 offset)
151 return readl_relaxed(hdmi->regs + (offset) * 0x04);
154 static inline void hdmi_writeb(struct inno_hdmi *hdmi, u16 offset, u32 val)
156 writel_relaxed(val, hdmi->regs + (offset) * 0x04);
159 static inline void hdmi_modb(struct inno_hdmi *hdmi, u16 offset,
162 u8 temp = hdmi_readb(hdmi, offset) & ~msk;
165 hdmi_writeb(hdmi, offset, temp);
168 static void inno_hdmi_i2c_init(struct inno_hdmi *hdmi)
172 ddc_bus_freq = (hdmi->tmds_rate >> 2) / HDMI_SCL_RATE;
174 hdmi_writeb(hdmi, DDC_BUS_FREQ_L, ddc_bus_freq & 0xFF);
175 hdmi_writeb(hdmi, DDC_BUS_FREQ_H, (ddc_bus_freq >> 8) & 0xFF);
178 hdmi_writeb(hdmi, HDMI_INTERRUPT_MASK1, 0);
179 hdmi_writeb(hdmi, HDMI_INTERRUPT_STATUS1, m_INT_EDID_READY);
182 static void inno_hdmi_sys_power(struct inno_hdmi *hdmi, bool enable)
185 hdmi_modb(hdmi, HDMI_SYS_CTRL, m_POWER, v_PWR_ON);
187 hdmi_modb(hdmi, HDMI_SYS_CTRL, m_POWER, v_PWR_OFF);
190 static void inno_hdmi_set_pwr_mode(struct inno_hdmi *hdmi, int mode)
194 inno_hdmi_sys_power(hdmi, false);
196 hdmi_writeb(hdmi, HDMI_PHY_PRE_EMPHASIS, 0x6f);
197 hdmi_writeb(hdmi, HDMI_PHY_DRIVER, 0xbb);
199 hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x15);
200 hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x14);
201 hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x10);
202 hdmi_writeb(hdmi, HDMI_PHY_CHG_PWR, 0x0f);
203 hdmi_writeb(hdmi, HDMI_PHY_SYNC, 0x00);
204 hdmi_writeb(hdmi, HDMI_PHY_SYNC, 0x01);
206 inno_hdmi_sys_power(hdmi, true);
210 inno_hdmi_sys_power(hdmi, false);
211 hdmi_writeb(hdmi, HDMI_PHY_DRIVER, 0x00);
212 hdmi_writeb(hdmi, HDMI_PHY_PRE_EMPHASIS, 0x00);
213 hdmi_writeb(hdmi, HDMI_PHY_CHG_PWR, 0x00);
214 hdmi_writeb(hdmi, HDMI_PHY_SYS_CTL, 0x15);
219 DRM_DEV_ERROR(hdmi->dev, "Unknown power mode %d\n", mode);
223 static void inno_hdmi_reset(struct inno_hdmi *hdmi)
228 hdmi_modb(hdmi, HDMI_SYS_CTRL, m_RST_DIGITAL, v_NOT_RST_DIGITAL);
231 hdmi_modb(hdmi, HDMI_SYS_CTRL, m_RST_ANALOG, v_NOT_RST_ANALOG);
236 hdmi_modb(hdmi, HDMI_SYS_CTRL, msk, val);
238 inno_hdmi_set_pwr_mode(hdmi, NORMAL);
241 static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi, int setup_rc,
246 hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, disable);
248 hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, frame_index);
260 hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i,
264 hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, enable);
270 static int inno_hdmi_config_video_vsi(struct inno_hdmi *hdmi,
276 rc = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi,
277 &hdmi->connector,
280 return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_VSI,
284 static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
291 &hdmi->connector,
294 if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV444)
296 else if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV422)
301 return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_AVI, 0, 0, 0);
304 static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
306 struct hdmi_data_info *data = &hdmi->hdmi_data;
315 hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL1, v_DE_EXTERNAL |
322 hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL2, value);
328 hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value);
330 hdmi_modb(hdmi, HDMI_VIDEO_CONTRL,
369 hdmi_writeb(hdmi, HDMI_VIDEO_CSC_COEF + i,
373 hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value);
374 hdmi_modb(hdmi, HDMI_VIDEO_CONTRL, m_VIDEO_AUTO_CSC |
381 static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi,
394 hdmi_writeb(hdmi, HDMI_VIDEO_TIMING_CTL, value);
398 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HTOTAL_L, value & 0xFF);
399 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HTOTAL_H, (value >> 8) & 0xFF);
402 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_L, value & 0xFF);
403 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_H, (value >> 8) & 0xFF);
406 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_L, value & 0xFF);
407 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_H, (value >> 8) & 0xFF);
410 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDURATION_L, value & 0xFF);
411 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDURATION_H, (value >> 8) & 0xFF);
414 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VTOTAL_L, value & 0xFF);
415 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VTOTAL_H, (value >> 8) & 0xFF);
418 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VBLANK, value & 0xFF);
421 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VDELAY, value & 0xFF);
424 hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VDURATION, value & 0xFF);
426 hdmi_writeb(hdmi, HDMI_PHY_PRE_DIV_RATIO, 0x1e);
427 hdmi_writeb(hdmi, HDMI_PHY_FEEDBACK_DIV_RATIO_LOW, 0x2c);
428 hdmi_writeb(hdmi, HDMI_PHY_FEEDBACK_DIV_RATIO_HIGH, 0x01);
433 static int inno_hdmi_setup(struct inno_hdmi *hdmi,
436 hdmi->hdmi_data.vic = drm_match_cea_mode(mode);
438 hdmi->hdmi_data.enc_in_format = HDMI_COLORSPACE_RGB;
439 hdmi->hdmi_data.enc_out_format = HDMI_COLORSPACE_RGB;
441 if ((hdmi->hdmi_data.vic == 6) || (hdmi->hdmi_data.vic == 7) ||
442 (hdmi->hdmi_data.vic == 21) || (hdmi->hdmi_data.vic == 22) ||
443 (hdmi->hdmi_data.vic == 2) || (hdmi->hdmi_data.vic == 3) ||
444 (hdmi->hdmi_data.vic == 17) || (hdmi->hdmi_data.vic == 18))
445 hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_601;
447 hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709;
450 hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
454 hdmi_writeb(hdmi, HDMI_HDCP_CTRL,
455 v_HDMI_DVI(hdmi->hdmi_data.sink_is_hdmi));
457 inno_hdmi_config_video_timing(hdmi, mode);
459 inno_hdmi_config_video_csc(hdmi);
461 if (hdmi->hdmi_data.sink_is_hdmi) {
462 inno_hdmi_config_video_avi(hdmi, mode);
463 inno_hdmi_config_video_vsi(hdmi, mode);
472 hdmi->tmds_rate = mode->clock * 1000;
473 inno_hdmi_i2c_init(hdmi);
476 hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
486 struct inno_hdmi *hdmi = to_inno_hdmi(encoder);
488 inno_hdmi_setup(hdmi, adj_mode);
491 drm_mode_copy(&hdmi->previous_mode, adj_mode);
496 struct inno_hdmi *hdmi = to_inno_hdmi(encoder);
498 inno_hdmi_set_pwr_mode(hdmi, NORMAL);
503 struct inno_hdmi *hdmi = to_inno_hdmi(encoder);
505 inno_hdmi_set_pwr_mode(hdmi, LOWER_PWR);
539 struct inno_hdmi *hdmi = to_inno_hdmi(connector);
541 return (hdmi_readb(hdmi, HDMI_STATUS) & m_HOTPLUG) ?
547 struct inno_hdmi *hdmi = to_inno_hdmi(connector);
551 if (!hdmi->ddc)
554 edid = drm_get_edid(connector, hdmi->ddc);
556 hdmi->hdmi_data.sink_is_hdmi = drm_detect_hdmi_monitor(edid);
557 hdmi->hdmi_data.sink_has_audio = drm_detect_monitor_audio(edid);
600 static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi)
602 struct drm_encoder *encoder = &hdmi->encoder;
603 struct device *dev = hdmi->dev;
619 hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
621 drm_connector_helper_add(&hdmi->connector,
623 drm_connector_init_with_ddc(drm, &hdmi->connector,
626 hdmi->ddc);
628 drm_connector_attach_encoder(&hdmi->connector, encoder);
633 static irqreturn_t inno_hdmi_i2c_irq(struct inno_hdmi *hdmi)
635 struct inno_hdmi_i2c *i2c = hdmi->i2c;
638 stat = hdmi_readb(hdmi, HDMI_INTERRUPT_STATUS1);
643 hdmi_writeb(hdmi, HDMI_INTERRUPT_STATUS1, m_INT_EDID_READY);
652 struct inno_hdmi *hdmi = dev_id;
656 if (hdmi->i2c)
657 ret = inno_hdmi_i2c_irq(hdmi);
659 interrupt = hdmi_readb(hdmi, HDMI_STATUS);
661 hdmi_modb(hdmi, HDMI_STATUS, m_INT_HOTPLUG, m_INT_HOTPLUG);
670 struct inno_hdmi *hdmi = dev_id;
672 drm_helper_hpd_irq_event(hdmi->connector.dev);
677 static int inno_hdmi_i2c_read(struct inno_hdmi *hdmi, struct i2c_msg *msgs)
683 ret = wait_for_completion_timeout(&hdmi->i2c->cmp, HZ / 10);
688 *buf++ = hdmi_readb(hdmi, HDMI_EDID_FIFO_ADDR);
693 static int inno_hdmi_i2c_write(struct inno_hdmi *hdmi, struct i2c_msg *msgs)
704 reinit_completion(&hdmi->i2c->cmp);
707 hdmi->i2c->segment_addr = msgs->buf[0];
709 hdmi->i2c->ddc_addr = msgs->buf[0];
712 hdmi_writeb(hdmi, HDMI_EDID_FIFO_OFFSET, 0x00);
715 hdmi_writeb(hdmi, HDMI_EDID_WORD_ADDR, hdmi->i2c->ddc_addr);
718 hdmi_writeb(hdmi, HDMI_EDID_SEGMENT_POINTER, hdmi->i2c->segment_addr);
726 struct inno_hdmi *hdmi = i2c_get_adapdata(adap);
727 struct inno_hdmi_i2c *i2c = hdmi->i2c;
733 hdmi_writeb(hdmi, HDMI_INTERRUPT_MASK1, m_INT_EDID_READY);
734 hdmi_writeb(hdmi, HDMI_INTERRUPT_STATUS1, m_INT_EDID_READY);
737 DRM_DEV_DEBUG(hdmi->dev,
742 ret = inno_hdmi_i2c_read(hdmi, &msgs[i]);
744 ret = inno_hdmi_i2c_write(hdmi, &msgs[i]);
754 hdmi_writeb(hdmi, HDMI_INTERRUPT_MASK1, 0);
771 static struct i2c_adapter *inno_hdmi_i2c_adapter(struct inno_hdmi *hdmi)
777 i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL);
787 adap->dev.parent = hdmi->dev;
788 adap->dev.of_node = hdmi->dev->of_node;
791 i2c_set_adapdata(adap, hdmi);
795 dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name);
796 devm_kfree(hdmi->dev, i2c);
800 hdmi->i2c = i2c;
802 DRM_DEV_INFO(hdmi->dev, "registered %s I2C bus driver\n", adap->name);
812 struct inno_hdmi *hdmi;
817 hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
818 if (!hdmi)
821 hdmi->dev = dev;
822 hdmi->drm_dev = drm;
825 hdmi->regs = devm_ioremap_resource(dev, iores);
826 if (IS_ERR(hdmi->regs))
827 return PTR_ERR(hdmi->regs);
829 hdmi->pclk = devm_clk_get(hdmi->dev, "pclk");
830 if (IS_ERR(hdmi->pclk)) {
831 DRM_DEV_ERROR(hdmi->dev, "Unable to get HDMI pclk clk\n");
832 return PTR_ERR(hdmi->pclk);
835 ret = clk_prepare_enable(hdmi->pclk);
837 DRM_DEV_ERROR(hdmi->dev,
848 inno_hdmi_reset(hdmi);
850 hdmi->ddc = inno_hdmi_i2c_adapter(hdmi);
851 if (IS_ERR(hdmi->ddc)) {
852 ret = PTR_ERR(hdmi->ddc);
853 hdmi->ddc = NULL;
863 hdmi->tmds_rate = clk_get_rate(hdmi->pclk);
864 inno_hdmi_i2c_init(hdmi);
866 ret = inno_hdmi_register(drm, hdmi);
870 dev_set_drvdata(dev, hdmi);
873 hdmi_modb(hdmi, HDMI_STATUS, m_MASK_INT_HOTPLUG, v_MASK_INT_HOTPLUG(1));
877 dev_name(dev), hdmi);
883 hdmi->connector.funcs->destroy(&hdmi->connector);
884 hdmi->encoder.funcs->destroy(&hdmi->encoder);
886 i2c_put_adapter(hdmi->ddc);
888 clk_disable_unprepare(hdmi->pclk);
895 struct inno_hdmi *hdmi = dev_get_drvdata(dev);
897 hdmi->connector.funcs->destroy(&hdmi->connector);
898 hdmi->encoder.funcs->destroy(&hdmi->encoder);
900 i2c_put_adapter(hdmi->ddc);
901 clk_disable_unprepare(hdmi->pclk);
922 { .compatible = "rockchip,rk3036-inno-hdmi",