コード例 #1
0
int api_Configure(videoParams_t * video, audioParams_t * audio,
		productParams_t * product, hdcpParams_t * hdcp)
{
	hdmivsdb_t vsdb;
//	int audioOn = 0;  //lltang audio on
	int audioOn = 1;
	int success = TRUE;
	int hdcpOn = (hdcp != 0 && (control_SupportsHdcp(api_mBaseAddress) == TRUE)) ? TRUE : FALSE;
	LOG_TRACE();

	if (video == NULL)
	{
		error_Set(ERR_HPD_LOST);
		LOG_ERROR("video params invalid");
		return FALSE;
	}
	audioOn = (audio != 0 && videoParams_GetHdmi(video));

	if (api_mCurrentState < API_HPD)
	{
		error_Set(ERR_HPD_LOST);
		LOG_ERROR("cable not connected");
		return FALSE;
	}
	else if (api_mCurrentState == API_HPD)
	{
		printk("E-EDID not read. Media may not be supported by sink\n");
	}
	else if (api_mCurrentState == API_EDID_READ)
	{
		api_CheckParamsVideo(video);
		if (api_EdidHdmivsdb(&vsdb))
		{
			if (!hdmivsdb_GetDeepColor30(&vsdb) && !hdmivsdb_GetDeepColor36(&vsdb)
					&& !hdmivsdb_GetDeepColor48(&vsdb))
			{
				videoParams_SetColorResolution(video, 0);
			}
		}
	}
	control_InterruptMute(api_mBaseAddress, ~0); /* disable interrupts */
#ifdef CONFIG_HMDI_JZ4780_DEBUG
	printk("=====>disable TX_INT in %s:%d\n", __func__, __LINE__);
#endif
	system_InterruptDisable(TX_INT);
	do
	{
		if (video_Configure(api_mBaseAddress, video, api_mDataEnablePolarity,
				hdcpOn) != TRUE)
		{
			success = FALSE;
			break;
		}
		if (audioOn)
		{
			if (api_mCurrentState == API_EDID_READ)
			{
				api_CheckParamsAudio(audio);
			}
#if 0  //del by lltang
			if (board_AudioClock(api_mBaseAddress, audioParams_AudioClock(audio))
						!= TRUE)
			{
				success = FALSE;
				break;
			}
#endif
			if (audio_Configure(api_mBaseAddress, audio, videoParams_GetPixelClock(
					video), videoParams_GetRatioClock(video)) != TRUE)
			{
				success = FALSE;
				break;
			}
			packets_AudioInfoFrame(api_mBaseAddress, audio);
		}
		else if (audio != 0 && videoParams_GetHdmi(video) != TRUE)
		{
			printk("DVI mode selected: audio not configured\n");
		}
		else
		{
			printk("No audio parameters provided: not configured\n");
		}
		if (videoParams_GetHdmi(video) == TRUE)
		{
			if (packets_Configure(api_mBaseAddress, video, product) != TRUE)
			{
				success = FALSE;
				break;
			}
			api_mSendGamutOk = (videoParams_GetEncodingOut(video) == YCC444)
					|| (videoParams_GetEncodingOut(video) == YCC422);
			api_mSendGamutOk = api_mSendGamutOk && (videoParams_GetColorimetry(
					video) == EXTENDED_COLORIMETRY);
		}
		else
		{
			printk("DVI mode selected: packets not configured\n");
		}
		if (hdcpOn == TRUE)
		{	/* HDCP is PHY independent */
			if (hdcp_Configure(api_mBaseAddress, hdcp, videoParams_GetHdmi(video),
					dtd_GetHSyncPolarity(videoParams_GetDtd(video)),
					dtd_GetVSyncPolarity(videoParams_GetDtd(video))) == FALSE)
			{
				printk("HDCP not configured\n");
				hdcpOn = FALSE;
				success = FALSE;
				break;
			}
		}
		else if (hdcp != 0 && control_SupportsHdcp(api_mBaseAddress) != TRUE)
		{
			printk("HDCP is not supported by hardware\n");
		}
		else
		{
			printk("No HDCP parameters provided: not configured\n");
		}
		if (board_PixelClock(api_mBaseAddress, videoParams_GetPixelClock(video),
				videoParams_GetColorResolution(video)) != TRUE)
		{
			success = FALSE;
			break;
		}
		if (control_Configure(api_mBaseAddress, videoParams_GetPixelClock(video),
				videoParams_GetPixelRepetitionFactor(video),
				videoParams_GetColorResolution(video),
				videoParams_IsColorSpaceConversion(video), audioOn, FALSE, hdcpOn)
				!= TRUE)
		{
			success = FALSE;
			break;
		}
		if (phy_Configure(api_mBaseAddress, videoParams_GetPixelClock(video),
			videoParams_GetColorResolution(video),
			videoParams_GetPixelRepetitionFactor(video)) != TRUE)
		{
			success = FALSE;
			break;
		}
		/* disable blue screen transmission after turning on all necessary blocks (e.g. HDCP) */
		if (video_ForceOutput(api_mBaseAddress, FALSE) != TRUE)
		{
			success = FALSE;
			break;
		}
		/* reports HPD state to HDCP */
		if (hdcpOn)
		{
			hdcp_RxDetected(api_mBaseAddress, phy_HotPlugDetected(
					api_mBaseAddress));
		}
		/* send AVMUTE CLEAR (optional) */
		api_mCurrentState = API_CONFIGURED;
	}
	while(0);
	control_InterruptMute(api_mBaseAddress, 0); /* enable interrupts */
#ifdef CONFIG_HMDI_JZ4780_DEBUG
	printk("hdmi enable TX_INT in %s:%d\n", __func__, __LINE__);
#endif
	system_InterruptEnable(TX_INT);
	return success;
}
コード例 #2
0
/* [0.01 MHz] */
u16 videoParams_GetTmdsClock(videoParams_t *params)
{
	return (u16) ((u32) (dtd_GetPixelClock(&(params->mDtd))
			* (u32) (videoParams_GetRatioClock(params))) / 100);
}