C++ (Cpp) decon_clk_set_rate Examples

Example #1

File: decon_t.c Project: GAXUSXX/G935FGaXusKernel2

void decon_t_set_clocks(struct decon_device *decon)
{
	struct device *dev = decon->dev;
	struct decon_clocks clks;
	struct decon_param p;

	decon_to_init_param(decon, &p);
	decon_reg_get_clock_ratio(&clks, p.lcd_info);

	/* ECLK */
	decon_clk_set_rate(dev, decon->res.eclk,
			NULL, clks.decon[CLK_ID_ECLK] * MHZ);
	decon_clk_set_rate(dev, decon->res.eclk_leaf,
			NULL, clks.decon[CLK_ID_ECLK] * MHZ);

#if defined(CONFIG_EXYNOS8890_BTS_OPTIMIZATION)
	/* TODO: hard-coded 42 will be changed
	 * default MIC factor is 3, So default VCLK is 42 for calculating DISP */
	decon->vclk_factor = 42 * DECON_PIX_PER_CLK;
#endif

	decon_dbg("%s: pclk %ld eclk %ld Mhz\n",
		__func__,
		clk_get_rate(decon->res.pclk) / MHZ,
		clk_get_rate(decon->res.eclk_leaf) / MHZ);

	return;
}

Example #2

File: decon-int_drv.c Project: MikeForeskin/Vindicator-S6-MM

void decon_int_set_clocks(struct decon_device *decon)
{
	struct device *dev = decon->dev;
	u32 clk_val_dpll = decon->pdata->disp_pll_clk;
	u32 clk_val_vclk, clk_val_pclk, clk_val_eclk, clk_val_aclk;

	if (!clk_val_dpll) {
		decon_info("setting predefined clock values\n");

		/* predefined values */
		decon_clk_set_rate(dev, "disp_pll", 267 * MHZ);
		decon_clk_set_rate(dev, "d_pclk_disp", 134 * MHZ);

		decon_clk_set_parent(dev, "m_decon0_eclk", "disp_pll");
		decon_clk_set_rate(dev, "d_decon0_eclk", 134 * MHZ);

		decon_clk_set_parent(dev, "m_decon0_vclk", "disp_pll");
		decon_clk_set_rate(dev, "d_decon0_vclk", 134 * MHZ);
	} else {
		clk_val_vclk = clk_val_dpll>>1;
		clk_val_eclk = (clk_val_vclk * 12) / 10;
		clk_val_aclk = clk_get_rate(decon->res.aclk_disp_200);
		clk_val_pclk = clk_val_aclk>>1;

		decon_info("setting pll to %dMHz\n", clk_val_dpll/MHZ);
		decon_info("setting clk_val_vclk %dMHz\n", clk_val_vclk/MHZ);
		decon_info("setting clk_val_eclk %dMHz\n", clk_val_eclk/MHZ);
		decon_info("setting clk_val_aclk %dMHz\n", clk_val_aclk/MHZ);
		decon_info("setting clk_val_pclk %dMHz\n", clk_val_pclk/MHZ);

		/* values based on DT input */
		decon_clk_set_rate(dev, "disp_pll", clk_val_dpll);
		decon_clk_set_rate(dev, "d_pclk_disp", clk_val_pclk);

		decon_clk_set_parent(dev, "m_decon0_eclk", "m_eclk_user");
		decon_clk_set_parent(dev, "m_eclk_user_a",
				"m_bus_pll_top_user");

		decon_clk_set_rate(dev, "d_sclk_decon0_eclk", clk_val_eclk);
		decon_clk_set_rate(dev, "d_decon0_eclk", clk_val_eclk);

		decon_clk_set_parent(dev, "m_decon0_vclk", "disp_pll");
		decon_clk_set_rate(dev, "d_decon0_vclk", clk_val_vclk);
	}
}

Example #3

File: decon-ext_drv.c Project: MikeForeskin/Vindicator-S6-MM

void decon_ext_set_clocks(struct decon_device *decon)
{
	struct device *dev = decon->dev;

	if (decon->out_type == DECON_OUT_HDMI) {
		decon_clk_set_parent(dev, "m_decon1_eclk", "um_decon1_eclk");
		decon_clk_set_rate(dev, "d_decon1_eclk", 200 * MHZ);
		decon_clk_set_parent(dev, "m_decon1_vclk", "hdmi_pixel");
	} else if (decon->out_type == DECON_OUT_WB) {
		decon_clk_set_parent(dev, "m_decon1_eclk", "um_decon1_eclk");
		decon_clk_set_rate(dev, "d_decon1_eclk", 200 * MHZ);
		decon_clk_set_parent(dev, "um_decon1_vclk", "disp_pll");
		decon_clk_set_rate(dev, "d_decon1_vclk", 134 * MHZ);
		decon_clk_set_parent(dev, "m_decon1_vclk", "d_decon1_vclk");
	} else if (decon->out_type == DECON_OUT_DSI) {
		/* NOTE: It depends on LCD resolution. default is FHD */

		/* ECLK(100Mhz) : using BUS0 PLL  */
		decon_clk_set_parent(dev, "mout_sclk_decon_ext_eclk", "mout_bus0_pll_top0");
		decon_clk_set_rate(dev, "dout_sclk_decon_ext_eclk", 100 * MHZ);
		decon_clk_set_parent(dev, "m_decon1_eclk", "um_decon1_eclk");
		decon_clk_set_rate(dev, "d_decon1_eclk", 100 * MHZ);

		/* VCLK(142Mhz) : using DISP PLL */
		/* decon-int already configures DISP PLL as 142Mhz */
		decon_clk_set_parent(dev, "um_decon1_vclk", "disp_pll");
		if (decon->lcd_info->mic_enabled)
			decon_clk_set_rate(dev, "d_decon1_vclk", 72 * MHZ);
		else
			decon_clk_set_rate(dev, "d_decon1_vclk", 143 * MHZ);
		decon_clk_set_parent(dev, "m_decon1_vclk", "d_decon1_vclk");
	} else {
		decon_err("%s: failed to find output device of decon%d\n",
			__func__, decon->id);
 	}
}