Esempi in C++ (Cpp) per tegra_dc_sor_config_panel

Esempio n. 1

File: sor.c Progetto: AdriDlu/coreboot

void tegra_dc_sor_attach(struct tegra_dc_sor_data *sor)
{
	u32 reg_val;
	struct display_controller *disp_ctrl = (void *)sor->dc->base;

	tegra_dc_sor_enable_dc(sor);
	tegra_dc_sor_config_panel(sor, 0);

	WRITEL(0x9f00, &disp_ctrl->cmd.state_ctrl);
	WRITEL(0x9f, &disp_ctrl->cmd.state_ctrl);

	WRITEL(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE |
		PW3_ENABLE | PW4_ENABLE | PM0_ENABLE | PM1_ENABLE,
		&disp_ctrl->cmd.disp_pow_ctrl);

	reg_val = tegra_sor_readl(sor, NV_SOR_TEST);
	if (reg_val & NV_SOR_TEST_ATTACHED_TRUE)
		return;

	tegra_sor_writel(sor, NV_SOR_SUPER_STATE1,
			NV_SOR_SUPER_STATE1_ATTACHED_NO);

	/*
	 * Enable display2sor clock at least 2 cycles before DC start,
	 * to clear sor internal valid signal.
	 */
	WRITEL(SOR_ENABLE, &disp_ctrl->disp.disp_win_opt);
	WRITEL(GENERAL_ACT_REQ, &disp_ctrl->cmd.state_ctrl);
	WRITEL(0, &disp_ctrl->disp.disp_win_opt);
	WRITEL(GENERAL_ACT_REQ, &disp_ctrl->cmd.state_ctrl);

	/* Attach head */
	tegra_dc_sor_update(sor);
	tegra_sor_writel(sor, NV_SOR_SUPER_STATE1,
			NV_SOR_SUPER_STATE1_ATTACHED_YES);
	tegra_sor_writel(sor, NV_SOR_SUPER_STATE1,
		NV_SOR_SUPER_STATE1_ATTACHED_YES |
		NV_SOR_SUPER_STATE1_ASY_HEAD_OP_AWAKE |
		NV_SOR_SUPER_STATE1_ASY_ORMODE_NORMAL);
	tegra_dc_sor_super_update(sor);

	/* Enable dc */
	reg_val = READL(&disp_ctrl->cmd.state_access);
	WRITEL(reg_val | WRITE_MUX_ACTIVE, &disp_ctrl->cmd.state_access);
	WRITEL(DISP_CTRL_MODE_C_DISPLAY, &disp_ctrl->cmd.disp_cmd);
	WRITEL(SOR_ENABLE, &disp_ctrl->disp.disp_win_opt);
	WRITEL(reg_val, &disp_ctrl->cmd.state_access);

	if (tegra_dc_sor_poll_register(sor, NV_SOR_TEST,
			NV_SOR_TEST_ACT_HEAD_OPMODE_DEFAULT_MASK,
			NV_SOR_TEST_ACT_HEAD_OPMODE_AWAKE,
			100, TEGRA_SOR_ATTACH_TIMEOUT_MS * 1000))
		printk(BIOS_ERR, "dc timeout waiting for OPMOD = AWAKE\n");
	else
		printk(BIOS_INFO, "%s: sor is attached\n", __func__);

#if DEBUG_SOR
	dump_sor_reg(sor);
#endif
}

Esempio n. 2

File: sor.c Progetto: Noltari/u-boot

int tegra_dc_sor_attach(struct udevice *dc_dev, struct udevice *dev,
			const struct tegra_dp_link_config *link_cfg,
			const struct display_timing *timing)
{
	struct tegra_dc_sor_data *sor = dev_get_priv(dev);
	struct dc_ctlr *disp_ctrl;
	u32 reg_val;

	/* Use the first display controller */
	debug("%s\n", __func__);
	disp_ctrl = (struct dc_ctlr *)dev_read_addr(dc_dev);

	tegra_dc_sor_enable_dc(disp_ctrl);
	tegra_dc_sor_config_panel(sor, 0, link_cfg, timing);

	writel(0x9f00, &disp_ctrl->cmd.state_ctrl);
	writel(0x9f, &disp_ctrl->cmd.state_ctrl);

	writel(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
	       PW4_ENABLE | PM0_ENABLE | PM1_ENABLE,
	       &disp_ctrl->cmd.disp_pow_ctrl);

	reg_val = tegra_sor_readl(sor, TEST);
	if (reg_val & TEST_ATTACHED_TRUE)
		return -EEXIST;

	tegra_sor_writel(sor, SUPER_STATE1,
			 SUPER_STATE1_ATTACHED_NO);

	/*
	 * Enable display2sor clock at least 2 cycles before DC start,
	 * to clear sor internal valid signal.
	 */
	writel(SOR_ENABLE, &disp_ctrl->disp.disp_win_opt);
	writel(GENERAL_ACT_REQ, &disp_ctrl->cmd.state_ctrl);
	writel(0, &disp_ctrl->disp.disp_win_opt);
	writel(GENERAL_ACT_REQ, &disp_ctrl->cmd.state_ctrl);

	/* Attach head */
	tegra_dc_sor_update(sor);
	tegra_sor_writel(sor, SUPER_STATE1,
			 SUPER_STATE1_ATTACHED_YES);
	tegra_sor_writel(sor, SUPER_STATE1,
			 SUPER_STATE1_ATTACHED_YES |
			 SUPER_STATE1_ASY_HEAD_OP_AWAKE |
			 SUPER_STATE1_ASY_ORMODE_NORMAL);
	tegra_dc_sor_super_update(sor);

	/* Enable dc */
	reg_val = readl(&disp_ctrl->cmd.state_access);
	writel(reg_val | WRITE_MUX_ACTIVE, &disp_ctrl->cmd.state_access);
	writel(CTRL_MODE_C_DISPLAY << CTRL_MODE_SHIFT,
	       &disp_ctrl->cmd.disp_cmd);
	writel(SOR_ENABLE, &disp_ctrl->disp.disp_win_opt);
	writel(reg_val, &disp_ctrl->cmd.state_access);

	if (tegra_dc_sor_poll_register(sor, TEST,
				       TEST_ACT_HEAD_OPMODE_DEFAULT_MASK,
				       TEST_ACT_HEAD_OPMODE_AWAKE,
				       100,
				       TEGRA_SOR_ATTACH_TIMEOUT_MS)) {
		printf("dc timeout waiting for OPMOD = AWAKE\n");
		return -ETIMEDOUT;
	} else {
		debug("%s: sor is attached\n", __func__);
	}

#if DEBUG_SOR
	dump_sor_reg(sor);
#endif
	debug("%s: ret=%d\n", __func__, 0);

	return 0;
}