Ejemplos de precompute_timing_parms en C++ (Cpp)

Ejemplo n.º 1

static int mdp_lcdc_probe(struct platform_device *pdev)
{
	struct msm_lcdc_platform_data *pdata = pdev->dev.platform_data;
	struct mdp_lcdc_info *lcdc;
	int ret = 0;
#ifdef CONFIG_ZTE_UART_USE_RGB_LCD_LVDS
	printk("enter mdp_lcdc_probe \n");
#endif
	if (!pdata) {
		pr_err("%s: no LCDC platform data found\n", __func__);
		return -EINVAL;
	}

	lcdc = kzalloc(sizeof(struct mdp_lcdc_info), GFP_KERNEL);
	if (!lcdc)
		return -ENOMEM;

	/* We don't actually own the clocks, the mdp does. */
	lcdc->mdp_clk = clk_get(mdp_dev->dev.parent, "mdp_clk");
	if (IS_ERR(lcdc->mdp_clk)) {
		pr_err("%s: failed to get mdp_clk\n", __func__);
		ret = PTR_ERR(lcdc->mdp_clk);
		goto err_get_mdp_clk;
	}

	lcdc->pclk = clk_get(mdp_dev->dev.parent, "lcdc_pclk_clk");
	if (IS_ERR(lcdc->pclk)) {
		pr_err("%s: failed to get lcdc_pclk\n", __func__);
		ret = PTR_ERR(lcdc->pclk);
		goto err_get_pclk;
	}

	lcdc->pad_pclk = clk_get(mdp_dev->dev.parent, "lcdc_pad_pclk_clk");
	if (IS_ERR(lcdc->pad_pclk)) {
		pr_err("%s: failed to get lcdc_pad_pclk\n", __func__);
		ret = PTR_ERR(lcdc->pad_pclk);
		goto err_get_pad_pclk;
	}

	init_waitqueue_head(&lcdc->vsync_waitq);
	lcdc->pdata = pdata;
	lcdc->frame_start_cb.func = lcdc_frame_start;

	platform_set_drvdata(pdev, lcdc);

	mdp_out_if_register(mdp_dev, MSM_LCDC_INTERFACE, lcdc, MDP_DMA_P_DONE,
			    lcdc_dma_start);

	precompute_timing_parms(lcdc);

	lcdc->fb_start = pdata->fb_resource->start;
	lcdc->mdp = container_of(mdp_dev, struct mdp_info, mdp_dev);

	lcdc->fb_panel_data.suspend = lcdc_suspend;
	lcdc->fb_panel_data.resume = lcdc_resume;
	lcdc->fb_panel_data.wait_vsync = lcdc_wait_vsync;
	lcdc->fb_panel_data.request_vsync = lcdc_request_vsync;
	lcdc->fb_panel_data.clear_vsync = lcdc_clear_vsync;
	lcdc->fb_panel_data.blank = lcdc_blank;
	lcdc->fb_panel_data.unblank = lcdc_unblank;
	lcdc->fb_panel_data.fb_data = pdata->fb_data;
	lcdc->fb_panel_data.interface_type = MSM_LCDC_INTERFACE;

	ret = lcdc_hw_init(lcdc);
	if (ret) {
		pr_err("%s: Cannot initialize the mdp_lcdc\n", __func__);
		goto err_hw_init;
	}

	lcdc->fb_pdev.name = "msm_panel";
	lcdc->fb_pdev.id = pdata->fb_id;
	lcdc->fb_pdev.resource = pdata->fb_resource;
	lcdc->fb_pdev.num_resources = 1;
	lcdc->fb_pdev.dev.platform_data = &lcdc->fb_panel_data;

	if (pdata->panel_ops->init)
		pdata->panel_ops->init(pdata->panel_ops);

	ret = platform_device_register(&lcdc->fb_pdev);
	if (ret) {
		pr_err("%s: Cannot register msm_panel pdev\n", __func__);
		goto err_plat_dev_reg;
	}

	pr_info("%s: initialized\n", __func__);

	return 0;

err_plat_dev_reg:
err_hw_init:
	platform_set_drvdata(pdev, NULL);
	clk_put(lcdc->pad_pclk);
err_get_pad_pclk:
	clk_put(lcdc->pclk);
err_get_pclk:
	clk_put(lcdc->mdp_clk);
err_get_mdp_clk:
	kfree(lcdc);
	return ret;
}

Ejemplo n.º 2

Archivo: mdp_lcdc.c Proyecto: AKToronto/htc-kernel-msm7227

static int mdp_lcdc_probe(struct platform_device *pdev)
{
	struct msm_lcdc_platform_data *pdata = pdev->dev.platform_data;
	struct mdp_lcdc_info *lcdc;
	int ret = 0;
#ifdef CONFIG_MSM_MDP40
	struct mdp4_overlay_pipe *pipe;
	int ptype;
#endif

	if (!pdata) {
		pr_err("%s: no LCDC platform data found\n", __func__);
		return -EINVAL;
	}

	lcdc = kzalloc(sizeof(struct mdp_lcdc_info), GFP_KERNEL);
	if (!lcdc)
		return -ENOMEM;

	/* We don't actually own the clocks, the mdp does. */
	lcdc->mdp_clk = clk_get(mdp_dev->dev.parent, "mdp_clk");
	if (IS_ERR(lcdc->mdp_clk)) {
		pr_err("%s: failed to get mdp_clk\n", __func__);
		ret = PTR_ERR(lcdc->mdp_clk);
		goto err_get_mdp_clk;
	}

	lcdc->pclk = clk_get(mdp_dev->dev.parent, "lcdc_pclk_clk");
	if (IS_ERR(lcdc->pclk)) {
		pr_err("%s: failed to get lcdc_pclk\n", __func__);
		ret = PTR_ERR(lcdc->pclk);
		goto err_get_pclk;
	}

	lcdc->pad_pclk = clk_get(mdp_dev->dev.parent, "lcdc_pad_pclk_clk");
	if (IS_ERR(lcdc->pad_pclk)) {
		pr_err("%s: failed to get lcdc_pad_pclk\n", __func__);
		ret = PTR_ERR(lcdc->pad_pclk);
		goto err_get_pad_pclk;
	}

	init_waitqueue_head(&lcdc->vsync_waitq);
	lcdc->pdata = pdata;
	lcdc->frame_start_cb.func = lcdc_frame_start;

	platform_set_drvdata(pdev, lcdc);
#ifdef CONFIG_MSM_MDP40
	mdp_out_if_register(mdp_dev, MSM_LCDC_INTERFACE, lcdc, INTR_OVERLAY0_DONE,
			    lcdc_overlay_start);
#else
	mdp_out_if_register(mdp_dev, MSM_LCDC_INTERFACE, lcdc, MDP_DMA_P_DONE,
			    lcdc_dma_start);
#endif
	precompute_timing_parms(lcdc);

	lcdc->fb_start = pdata->fb_resource->start;
	lcdc->mdp = container_of(mdp_dev, struct mdp_info, mdp_dev);
	if(lcdc->mdp->mdp_dev.color_format)
		lcdc->color_format = lcdc->mdp->mdp_dev.color_format;
	else
		lcdc->color_format = MSM_MDP_OUT_IF_FMT_RGB565;

#ifdef CONFIG_MSM_MDP40
	if (lcdc_pipe == NULL) {
		ptype = mdp4_overlay_format2type(MDP_RGB_565);
		pipe = mdp4_overlay_pipe_alloc(ptype);
		if (!pipe)
			goto err_mdp4_overlay_pipe_alloc;
		pipe->mixer_stage  = MDP4_MIXER_STAGE_BASE;
		pipe->mixer_num  = MDP4_MIXER0;
		pipe->src_format = MDP_RGB_565;
		mdp4_overlay_format2pipe(pipe);
		pipe->mdp = lcdc->mdp;

		lcdc_pipe = pipe; /* keep it */
	} else {
		pipe = lcdc_pipe;
	}

	pipe->src_height = pdata->fb_data->yres;
	pipe->src_width = pdata->fb_data->xres;
	pipe->src_h = pdata->fb_data->yres;
	pipe->src_w = pdata->fb_data->xres;
	pipe->src_y = 0;
	pipe->src_x = 0;
	pipe->srcp0_addr = (uint32_t) lcdc->fb_start;
	pipe->srcp0_ystride = pdata->fb_data->xres * 2;

	mdp4_overlay_rgb_setup(pipe);
	mdp4_mixer_stage_up(pipe);
#endif

	lcdc->fb_panel_data.suspend = lcdc_suspend;
	lcdc->fb_panel_data.resume = lcdc_resume;
	lcdc->fb_panel_data.wait_vsync = lcdc_wait_vsync;
	lcdc->fb_panel_data.request_vsync = lcdc_request_vsync;
	lcdc->fb_panel_data.clear_vsync = lcdc_clear_vsync;
	lcdc->fb_panel_data.blank = lcdc_blank;
	lcdc->fb_panel_data.unblank = lcdc_unblank;
	lcdc->fb_panel_data.fb_data = pdata->fb_data;
	lcdc->fb_panel_data.interface_type = MSM_LCDC_INTERFACE;
	lcdc->fb_panel_data.shutdown = lcdc_shutdown;

	ret = lcdc_hw_init(lcdc);
	if (ret) {
		pr_err("%s: Cannot initialize the mdp_lcdc\n", __func__);
		goto err_hw_init;
	}

	lcdc->fb_pdev.name = "msm_panel";
	lcdc->fb_pdev.id = pdata->fb_id;
	lcdc->fb_pdev.resource = pdata->fb_resource;
	lcdc->fb_pdev.num_resources = 1;
	lcdc->fb_pdev.dev.platform_data = &lcdc->fb_panel_data;


	ret = platform_device_register(&lcdc->fb_pdev);
	if (ret) {
		pr_err("%s: Cannot register msm_panel pdev\n", __func__);
		goto err_plat_dev_reg;
	}

	pr_info("%s: initialized\n", __func__);

	return 0;

err_plat_dev_reg:
err_hw_init:
#ifdef CONFIG_MSM_MDP40
err_mdp4_overlay_pipe_alloc:
#endif
	platform_set_drvdata(pdev, NULL);
	clk_put(lcdc->pad_pclk);
err_get_pad_pclk:
	clk_put(lcdc->pclk);
err_get_pclk:
	clk_put(lcdc->mdp_clk);
err_get_mdp_clk:
	kfree(lcdc);
	return ret;
}