C++ (Cpp) mipi_dsi_mxo_selected Beispiele

Beispiel #1

Datei: mipi_dsi.c Projekt: Alex163/htc-kernel-pyramid

static void mipi_dsi_clk(int on)
{
	char	*cc, *ns, *md;

	cc = mmss_cc_base + 0x004c;
	md = mmss_cc_base + 0x0050;
	ns = mmss_cc_base + 0x0054;

	if (on) {
		if (mipi_dsi_mxo_selected())
			MIPI_OUTP(cc, 0x125);	/* mxo */
		else
			MIPI_OUTP(cc, 0x25);	/* pxo */

		MIPI_OUTP(md, 0x1fd);
		MIPI_OUTP(ns, 0xff000003);
	} else
		MIPI_OUTP(cc, 0);

	wmb();
}

Beispiel #2

static int mipi_dsi_probe(struct platform_device *pdev)
{
	struct msm_fb_data_type *mfd;
	struct fb_info *fbi;
	struct platform_device *mdp_dev = NULL;
	struct msm_fb_panel_data *pdata = NULL;
	int rc;
	resource_size_t size ;

	if ((pdev->id == 0) && (pdev->num_resources >= 0)) {
		mipi_dsi_pdata = pdev->dev.platform_data;

		size =  resource_size(&pdev->resource[0]);
		mipi_dsi_base =  ioremap(pdev->resource[0].start, size);

		MSM_FB_INFO("mipi_dsi base phy_addr = 0x%x virt = 0x%x\n",
				pdev->resource[0].start, (int) mipi_dsi_base);

		if (!mipi_dsi_base)
			return -ENOMEM;

		mmss_cc_base =  ioremap(MMSS_CC_BASE_PHY, 0x200);
		MSM_FB_INFO("mmss_cc base phy_addr = 0x%x virt = 0x%x\n",
				MMSS_CC_BASE_PHY, (int) mmss_cc_base);

		if (!mmss_cc_base)
			return -ENOMEM;

		mmss_sfpb_base =  ioremap(MMSS_SFPB_BASE_PHY, 0x100);
		MSM_FB_INFO("mmss_sfpb  base phy_addr = 0x%x virt = 0x%x\n",
				MMSS_SFPB_BASE_PHY, (int) mmss_sfpb_base);

		if (!mmss_cc_base)
			return -ENOMEM;

		rc = request_irq(DSI_IRQ, mipi_dsi_isr, IRQF_DISABLED,
						"MIPI_DSI", 0);
		if (rc) {
			printk(KERN_ERR "mipi_dsi_host request_irq() failed!\n");
			return rc;
		}

		disable_irq(DSI_IRQ);

		mipi_dsi_calibration();

		if (mipi_dsi_mxo_selected())
			dsi_cc_data |= BIT(8);	/* use MXO for DSI PLL clkref */
		else
			dsi_cc_data &= ~BIT(8);	/* use PXO */

		mipi_dsi_resource_initialized = 1;

		return 0;
	}

	if (!mipi_dsi_resource_initialized)
		return -EPERM;

	mfd = platform_get_drvdata(pdev);

	if (!mfd)
		return -ENODEV;

	if (mfd->key != MFD_KEY)
		return -EINVAL;

	if (pdev_list_cnt >= MSM_FB_MAX_DEV_LIST)
		return -ENOMEM;


	mdp_dev = platform_device_alloc("mdp", pdev->id);
	if (!mdp_dev)
		return -ENOMEM;

	/*
	 * link to the latest pdev
	 */
	mfd->pdev = mdp_dev;
	mfd->dest = DISPLAY_LCD;

	/*
	 * alloc panel device data
	 */
	if (platform_device_add_data
	    (mdp_dev, pdev->dev.platform_data,
	     sizeof(struct msm_fb_panel_data))) {
		printk(KERN_ERR "mipi_dsi_probe: platform_device_add_data failed!\n");
		platform_device_put(mdp_dev);
		return -ENOMEM;
	}
	/*
	 * data chain
	 */
	pdata = mdp_dev->dev.platform_data;
	pdata->on = mipi_dsi_on;
	pdata->off = mipi_dsi_off;
	pdata->next = pdev;

	/*
	 * get/set panel specific fb info
	 */
	mfd->panel_info = pdata->panel_info;

	if (mfd->index == 0)
		mfd->fb_imgType = MSMFB_DEFAULT_TYPE;
	else
		mfd->fb_imgType = MDP_RGB_565;

	fbi = mfd->fbi;
	fbi->var.pixclock = mfd->panel_info.clk_rate;
	fbi->var.left_margin = mfd->panel_info.lcdc.h_back_porch;
	fbi->var.right_margin = mfd->panel_info.lcdc.h_front_porch;
	fbi->var.upper_margin = mfd->panel_info.lcdc.v_back_porch;
	fbi->var.lower_margin = mfd->panel_info.lcdc.v_front_porch;
	fbi->var.hsync_len = mfd->panel_info.lcdc.h_pulse_width;
	fbi->var.vsync_len = mfd->panel_info.lcdc.v_pulse_width;

#ifdef DSI_CLK
	clk_rate = mfd->panel_info.clk_max;
	if (clk_set_max_rate(mipi_dsi_clk, clk_rate) < 0)
		printk(KERN_ERR "%s: clk_set_max_rate failed\n", __func__);
	mfd->panel_info.clk_rate = mfd->panel_info.clk_min;
#endif

	/*
	 * set driver data
	 */
	platform_set_drvdata(mdp_dev, mfd);

	/*
	 * register in mdp driver
	 */
	rc = platform_device_add(mdp_dev);
	if (rc)
		goto mipi_dsi_probe_err;

	pdev_list[pdev_list_cnt++] = pdev;

	mfd->pm_qos_req = pm_qos_add_request(PM_QOS_SYSTEM_BUS_FREQ,
					       PM_QOS_DEFAULT_VALUE);
	if (!mfd->pm_qos_req)
		goto mipi_dsi_probe_err;

	return 0;

mipi_dsi_probe_err:
	platform_device_put(mdp_dev);
	return rc;
}