Beispiel #1
0
static void mdss_dsi_uniphy_pll_sw_reset(void)
{
	REG_W(0x01, mdss_dsi_base + 0x0268); /* PLL TEST CFG */
	udelay(1);
	REG_W(0x00, mdss_dsi_base + 0x0268); /* PLL TEST CFG */
	udelay(1);
}
Beispiel #2
0
static void mdss_dsi_uniphy_pll_lock_detect_setting(void)
{
	REG_W(0x04, mdss_dsi_base + 0x0264); /* LKDetect CFG2 */
	udelay(100);
	REG_W(0x05, mdss_dsi_base + 0x0264); /* LKDetect CFG2 */
	udelay(500);
}
void hdmi_pll_disable(void)
{
	clk_enable(mdss_dsi_ahb_clk);
	REG_W(0x0, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
	udelay(5);
	REG_W(0x0, hdmi_phy_base + HDMI_PHY_GLB_CFG);
	clk_disable(mdss_dsi_ahb_clk);

	hdmi_pll_on = 0;
} /* hdmi_pll_disable */
int hdmi_pll_enable(void)
{
	u32 status;
	u32 max_reads, timeout_us;

	clk_enable(mdss_dsi_ahb_clk);
	/* Global Enable */
	REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG);
	/* Power up power gen */
	REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL0);
	udelay(350);

	/* PLL Power-Up */
	REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
	udelay(5);
	/* Power up PLL LDO */
	REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
	udelay(350);

	/* PLL Power-Up */
	REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
	udelay(350);

	/* poll for PLL ready status */
	max_reads = 20;
	timeout_us = 100;
	if (readl_poll_timeout_noirq((hdmi_phy_pll_base + HDMI_UNI_PLL_STATUS),
		status, ((status & BIT(0)) == 1), max_reads, timeout_us)) {
		pr_err("%s: hdmi phy pll status=%x failed to Lock\n",
		       __func__, status);
		hdmi_pll_disable();
		clk_disable(mdss_dsi_ahb_clk);
		return -EINVAL;
	}
	pr_debug("%s: hdmi phy pll is locked\n", __func__);

	udelay(350);
	/* poll for PHY ready status */
	max_reads = 20;
	timeout_us = 100;
	if (readl_poll_timeout_noirq((hdmi_phy_base + HDMI_PHY_STATUS),
		status, ((status & BIT(0)) == 1), max_reads, timeout_us)) {
		pr_err("%s: hdmi phy status=%x failed to Lock\n",
		       __func__, status);
		hdmi_pll_disable();
		clk_disable(mdss_dsi_ahb_clk);
		return -EINVAL;
	}
	pr_debug("%s: hdmi phy is locked\n", __func__);
	clk_disable(mdss_dsi_ahb_clk);

	hdmi_pll_on = 1;

	return 0;
} /* hdmi_pll_enable */
int hdmi_pll_set_rate(unsigned long rate)
{
	unsigned int set_power_dwn = 0;

	if (hdmi_pll_on) {
		hdmi_pll_disable();
		set_power_dwn = 1;
	}

	clk_enable(mdss_dsi_ahb_clk);
	pr_debug("%s: rate=%ld\n", __func__, rate);
	switch (rate) {
	case 0:
		/* This case is needed for suspend/resume. */
	break;

	case 25200000:
		/* 640x480p60 */
		REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG);
		REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG);
		REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG);
		REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG);
		REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0);
		REG_W(0x52, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2);
		REG_W(0xB0, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4);
		REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0);
		REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2);
		REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV1_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2);
		REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9);
		REG_W(0xF4, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10);
		REG_W(0x02, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11);
		REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0);
		udelay(50);

		REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1);
		REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0);
		REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3);
		REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG);
		REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0);
		REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2);
		REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3);
		udelay(200);
	break;

	case 27000000:
		/* 576p50/576i50 case */
		REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG);
		REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG);
		REG_W(0X0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG);
		REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG);
		REG_W(0X0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0);
		REG_W(0x54, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2);
		REG_W(0x18, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4);
		REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0);
		REG_W(0X1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2);
		REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV1_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2);
		REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9);
		REG_W(0x2a, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10);
		REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11);
		REG_W(0X1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0);
		udelay(50);

		REG_W(0X0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1);
		REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0XDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0);
		REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3);
		REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG);
		REG_W(0XD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0);
		REG_W(0X1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2);
		REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3);
		udelay(200);
	break;

	case 27030000:
		/* 480p60/480i60 case */
		REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG);
		REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG);
		REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG);
		REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG);
		REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0);
		REG_W(0x54, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1);
		REG_W(0x66, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2);
		REG_W(0x1D, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4);
		REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0);
		REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2);
		REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV1_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2);
		REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9);
		REG_W(0x2A, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10);
		REG_W(0x03, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11);
		REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0);
		udelay(50);

		REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1);
		REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0);
		REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3);
		REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG);
		REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0);
		REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2);
		REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3);
		udelay(200);
	break;

	case 74250000:
		/*
		 * 720p60/720p50/1080i60/1080i50
		 * 1080p24/1080p30/1080p25 case
		 */
		REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG);
		REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG);
		REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG);
		REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG);
		REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0);
		REG_W(0x52, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2);
		REG_W(0x56, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4);
		REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0);
		REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV1_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2);
		REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9);
		REG_W(0xE6, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10);
		REG_W(0x02, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11);
		REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0);
		udelay(50);

		REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1);
		REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0);
		REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3);
		REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG);
		REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0);
		REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2);
		REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3);
		udelay(200);
	break;

	case 148500000:
		REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG);
		REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG);
		REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG);
		REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG);
		REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0);
		REG_W(0x52, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2);
		REG_W(0x56, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4);
		REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0);
		REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV1_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2);
		REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9);
		REG_W(0xE6, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10);
		REG_W(0x02, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11);
		REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0);
		udelay(50);

		REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1);
		REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0);
		REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3);
		REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG);
		REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0);
		REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2);
		REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3);
		udelay(200);
	break;

	case 268500000:
		REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG);
		REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG);
		REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG);
		REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG);
		REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG);
		REG_W(0x36, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0);
		REG_W(0x61, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2);
		REG_W(0xF6, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4);
		REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0);
		REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV1_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2);
		REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9);
		REG_W(0x3E, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11);
		REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0);
		udelay(50);

		REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1);
		REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0);
		REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1);
		REG_W(0x05, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_ANA_CFG3);
		REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG);
		REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0);
		REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1);
		REG_W(0x11, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2);
		REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3);
		udelay(200);
	break;

	case 297000000:
		REG_W(0x81, hdmi_phy_base + HDMI_PHY_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_REFCLK_CFG);
		REG_W(0x19, hdmi_phy_pll_base + HDMI_UNI_PLL_VCOLPF_CFG);
		REG_W(0x0E, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFR_CFG);
		REG_W(0x20, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC1_CFG);
		REG_W(0x0D, hdmi_phy_pll_base + HDMI_UNI_PLL_LPFC2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG0);
		REG_W(0x65, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG1);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG2);
		REG_W(0xAC, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG3);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_SDM_CFG4);
		REG_W(0x10, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG0);
		REG_W(0x1A, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG1);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_LKDET_CFG2);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV1_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV2_CFG);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_POSTDIV3_CFG);
		REG_W(0x01, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG2);
		REG_W(0x60, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG8);
		REG_W(0x00, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG9);
		REG_W(0xCD, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG10);
		REG_W(0x05, hdmi_phy_pll_base + HDMI_UNI_PLL_CAL_CFG11);
		REG_W(0x1F, hdmi_phy_base + HDMI_PHY_PD_CTRL0);
		udelay(50);

		REG_W(0x0F, hdmi_phy_pll_base + HDMI_UNI_PLL_GLB_CFG);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_PD_CTRL1);
		REG_W(0x10, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0xDB, hdmi_phy_base + HDMI_PHY_ANA_CFG0);
		REG_W(0x43, hdmi_phy_base + HDMI_PHY_ANA_CFG1);
		REG_W(0x06, hdmi_phy_base + HDMI_PHY_ANA_CFG2);
		REG_W(0x03, hdmi_phy_base + HDMI_PHY_ANA_CFG3);
		REG_W(0x04, hdmi_phy_pll_base + HDMI_UNI_PLL_VREG_CFG);
		REG_W(0xD0, hdmi_phy_base + HDMI_PHY_DCC_CFG0);
		REG_W(0x1A, hdmi_phy_base + HDMI_PHY_DCC_CFG1);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG0);
		REG_W(0x00, hdmi_phy_base + HDMI_PHY_TXCAL_CFG1);
		REG_W(0x02, hdmi_phy_base + HDMI_PHY_TXCAL_CFG2);
		REG_W(0x05, hdmi_phy_base + HDMI_PHY_TXCAL_CFG3);
		udelay(200);
	break;

	default:
		pr_err("%s: not supported rate=%ld\n", __func__, rate);
	}

	/* Make sure writes complete before disabling iface clock */
	mb();

	clk_disable(mdss_dsi_ahb_clk);

	if (set_power_dwn)
		hdmi_pll_enable();

	return 0;
} /* hdmi_pll_set_rate */
Beispiel #6
0
static int __mdss_dsi_pll_enable(struct clk *c)
{
	u32 status;
	u32 max_reads, timeout_us;
	int i;

	if (!pll_initialized) {
		if (dsi_pll_rate)
			__mdss_dsi_pll_byte_set_rate(c, dsi_pll_rate);
		else
			pr_err("%s: Calling clk_en before set_rate\n",
						__func__);
	}

	mdss_dsi_uniphy_pll_sw_reset();
	/* PLL power up */
	/* Add HW recommended delay between
	   register writes for the update to propagate */
	REG_W(0x01, mdss_dsi_base + 0x0220); /* GLB CFG */
	udelay(1000);
	REG_W(0x05, mdss_dsi_base + 0x0220); /* GLB CFG */
	udelay(1000);
	REG_W(0x07, mdss_dsi_base + 0x0220); /* GLB CFG */
	udelay(1000);
	REG_W(0x0f, mdss_dsi_base + 0x0220); /* GLB CFG */
	udelay(1000);

	for (i = 0; i < 3; i++) {
		mdss_dsi_uniphy_pll_lock_detect_setting();
		/* poll for PLL ready status */
		max_reads = 5;
		timeout_us = 100;
		if (readl_poll_timeout_noirq((mdss_dsi_base + 0x02c0),
				   status,
				   ((status & 0x01) == 1),
					     max_reads, timeout_us)) {
			pr_debug("%s: DSI PLL status=%x failed to Lock\n",
			       __func__, status);
			pr_debug("%s:Trying to power UP PLL again\n",
			       __func__);
		} else
			break;

		mdss_dsi_uniphy_pll_sw_reset();
		udelay(1000);
		/* Add HW recommended delay between
		   register writes for the update to propagate */
		REG_W(0x01, mdss_dsi_base + 0x0220); /* GLB CFG */
		udelay(1000);
		REG_W(0x05, mdss_dsi_base + 0x0220); /* GLB CFG */
		udelay(1000);
		REG_W(0x07, mdss_dsi_base + 0x0220); /* GLB CFG */
		udelay(1000);
		REG_W(0x05, mdss_dsi_base + 0x0220); /* GLB CFG */
		udelay(1000);
		REG_W(0x07, mdss_dsi_base + 0x0220); /* GLB CFG */
		udelay(1000);
		REG_W(0x0f, mdss_dsi_base + 0x0220); /* GLB CFG */
		udelay(2000);

	}

	if ((status & 0x01) != 1) {
		pr_err("%s: DSI PLL status=%x failed to Lock\n",
		       __func__, status);
		return -EINVAL;
	}

	pr_debug("%s: **** PLL Lock success\n", __func__);

	return 0;
}
Beispiel #7
0
static int __mdss_dsi_pll_byte_set_rate(struct clk *c, unsigned long rate)
{
	int pll_divcfg1, pll_divcfg2;
	int half_bitclk_rate;

	pr_debug("%s:\n", __func__);
	if (pll_initialized)
		return 0;

	half_bitclk_rate = rate * 4;

	pll_divcfg1 = (VCO_CLK / half_bitclk_rate) - 2;

	/* Configuring the VCO to 424 Mhz */
	/* Configuring the half rate Bit clk to 212 Mhz */

	pll_divcfg2 = 3; /* ByteClk is 1/4 the half-bitClk rate */

	/* Configure the Loop filter */
	/* Loop filter resistance value */
	REG_W(0x08, mdss_dsi_base + 0x022c);
	/* Loop filter capacitance values : c1 and c2 */
	REG_W(0x70, mdss_dsi_base + 0x0230);
	REG_W(0x15, mdss_dsi_base + 0x0234);

	REG_W(0x02, mdss_dsi_base + 0x0208); /* ChgPump */
	REG_W(pll_divcfg1, mdss_dsi_base + 0x0204); /* postDiv1 */
	REG_W(pll_divcfg2, mdss_dsi_base + 0x0224); /* postDiv2 */
	REG_W(0x05, mdss_dsi_base + 0x0228); /* postDiv3 */

	REG_W(0x2b, mdss_dsi_base + 0x0278); /* Cal CFG3 */
	REG_W(0x66, mdss_dsi_base + 0x027c); /* Cal CFG4 */
	REG_W(0x05, mdss_dsi_base + 0x0264); /* LKDET CFG2 */

	REG_W(0x0a, mdss_dsi_base + 0x023c); /* SDM CFG1 */
	REG_W(0xab, mdss_dsi_base + 0x0240); /* SDM CFG2 */
	REG_W(0x0a, mdss_dsi_base + 0x0244); /* SDM CFG3 */
	REG_W(0x00, mdss_dsi_base + 0x0248); /* SDM CFG4 */

	REG_W(0x01, mdss_dsi_base + 0x0200); /* REFCLK CFG */
	REG_W(0x00, mdss_dsi_base + 0x0214); /* PWRGEN CFG */
	REG_W(0x71, mdss_dsi_base + 0x020c); /* VCOLPF CFG */
	REG_W(0x02, mdss_dsi_base + 0x0210); /* VREG CFG */
	REG_W(0x00, mdss_dsi_base + 0x0238); /* SDM CFG0 */

	REG_W(0x5f, mdss_dsi_base + 0x028c); /* CAL CFG8 */
	REG_W(0xa8, mdss_dsi_base + 0x0294); /* CAL CFG10 */
	REG_W(0x01, mdss_dsi_base + 0x0298); /* CAL CFG11 */
	REG_W(0x0a, mdss_dsi_base + 0x026c); /* CAL CFG0 */
	REG_W(0x30, mdss_dsi_base + 0x0284); /* CAL CFG6 */
	REG_W(0x00, mdss_dsi_base + 0x0288); /* CAL CFG7 */
	REG_W(0x00, mdss_dsi_base + 0x0290); /* CAL CFG9 */
	REG_W(0x20, mdss_dsi_base + 0x029c); /* EFUSE CFG */

	dsi_pll_rate = rate;
	pll_byte_clk_rate = rate;

	pr_debug("%s: PLL initialized. bcl=%d\n", __func__, pll_byte_clk_rate);
	pll_initialized = 1;

	return 0;
}