C++ (Cpp) mfc_cmd_resetの例

コード例 #1

static int mfc_resume(struct platform_device *pdev)
{
	int ret = 0;
	unsigned int mc_status;

#if	ENABLE_MONITORING_MFC_DD
	mfc_info("mfc_resume......#1\n");
#endif

	mutex_lock(&mfc_mutex);

	if (!mfc_is_running())
	{
#if	ENABLE_MONITORING_MFC_DD
	mfc_info("mfc_resume......#2-0\n");
#endif	
		mutex_unlock(&mfc_mutex);
		return 0;
	}

#if	ENABLE_MONITORING_MFC_DD
	mfc_info("mfc_resume......#2-1\n");
#endif	
	
#if	Frame_Base_Power_CTR_ON			
	clk_enable(mfc_clk);
#endif
	/*
	 * 1. MFC reset
	 */
	do {
		mc_status = READL(MFC_MC_STATUS);
	} while(mc_status != 0);	
	
	mfc_cmd_reset();

	WRITEL(mfc_port0_base_paddr, MFC_MC_DRAMBASE_ADDR_A);
	WRITEL(mfc_port1_base_paddr, MFC_MC_DRAMBASE_ADDR_B);
	WRITEL(1, MFC_NUM_MASTER);

	ret = mfc_set_wakeup();
	if(ret != MFCINST_RET_OK){
		mutex_unlock(&mfc_mutex);
		return ret;
	}

#if	Frame_Base_Power_CTR_ON			
	clk_disable(mfc_clk);
#endif

	mutex_unlock(&mfc_mutex);

	return 0;
}

コード例 #2

ファイル: mfc.c プロジェクト: ferow2k/NeatKernel_captivate

static int mfc_resume(struct platform_device *pdev)
{
	int ret = 0;
	unsigned int mc_status;

	mutex_lock(&mfc_mutex);

	if (!mfc_is_running()) {
		mutex_unlock(&mfc_mutex);
		return 0;
	}

	clk_enable(mfc_sclk);

	/*
	 * 1. MFC reset
	 */
	do {
		mc_status = READL(MFC_MC_STATUS);
	} while (mc_status != 0);

	if (mfc_cmd_reset() == false) {
		clk_disable(mfc_sclk);
		mutex_unlock(&mfc_mutex);
		mfc_err("MFCINST_ERR_INIT_FAIL\n");
		return MFCINST_ERR_INIT_FAIL;
	}

	WRITEL(mfc_port0_base_paddr, MFC_MC_DRAMBASE_ADDR_A);
	WRITEL(mfc_port1_base_paddr, MFC_MC_DRAMBASE_ADDR_B);
	WRITEL(1, MFC_NUM_MASTER);

	ret = mfc_set_wakeup();
	if (ret != MFCINST_RET_OK) {
		clk_disable(mfc_sclk);
		mutex_unlock(&mfc_mutex);
		return ret;
	}

	clk_disable(mfc_sclk);

	mutex_unlock(&mfc_mutex);

	return 0;
}