Example #1
0
static void tegra_dc_init(struct tegra_dc *dc)
{
	int i;

	tegra_dc_writel(dc, 0x00000100, DC_CMD_GENERAL_INCR_SYNCPT_CNTRL);
	if (dc->ndev->id == 0) {
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0A,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0B,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0C,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY1B,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAYHC,
				      TEGRA_MC_PRIO_HIGH);
	} else if (dc->ndev->id == 1) {
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0AB,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0BB,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0CB,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY1BB,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAYHCB,
				      TEGRA_MC_PRIO_HIGH);
	}
	tegra_dc_writel(dc, 0x00000100 | dc->vblank_syncpt,
			DC_CMD_CONT_SYNCPT_VSYNC);
	tegra_dc_writel(dc, 0x00004700, DC_CMD_INT_TYPE);
	tegra_dc_writel(dc, 0x0001c700, DC_CMD_INT_POLARITY);
	tegra_dc_writel(dc, 0x00202020, DC_DISP_MEM_HIGH_PRIORITY);
	tegra_dc_writel(dc, 0x00010101, DC_DISP_MEM_HIGH_PRIORITY_TIMER);

	tegra_dc_writel(dc, (FRAME_END_INT |
			     V_BLANK_INT |
			     WIN_A_UF_INT |
			     WIN_B_UF_INT |
			     WIN_C_UF_INT), DC_CMD_INT_MASK);
	tegra_dc_writel(dc, (WIN_A_UF_INT |
			     WIN_B_UF_INT |
			     WIN_C_UF_INT), DC_CMD_INT_ENABLE);

	tegra_dc_writel(dc, 0x00000000, DC_DISP_BORDER_COLOR);

	tegra_dc_set_color_control(dc);
	for (i = 0; i < DC_N_WINDOWS; i++) {
		tegra_dc_writel(dc, WINDOW_A_SELECT << i,
				DC_CMD_DISPLAY_WINDOW_HEADER);
		tegra_dc_init_csc_defaults(&dc->windows[i].csc);
		tegra_dc_set_csc(dc, &dc->windows[i].csc);
		tegra_dc_set_scaling_filter(dc);
	}


	for (i = 0; i < dc->n_windows; i++) {
		u32 syncpt = get_syncpt(dc, i);

		dc->syncpt[i].id = syncpt;

		dc->syncpt[i].min = dc->syncpt[i].max =
			nvhost_syncpt_read(&dc->ndev->host->syncpt, syncpt);
	}

	if (dc->mode.pclk)
		tegra_dc_program_mode(dc, &dc->mode);
}
Example #2
0
static int tegra_dc_init(struct tegra_dc *dc)
{
	int i;
	int int_enable;

	tegra_dc_writel(dc, 0x00000100, DC_CMD_GENERAL_INCR_SYNCPT_CNTRL);
	if (dc->ndev->id == 0) {
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0A,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0B,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0C,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY1B,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAYHC,
				      TEGRA_MC_PRIO_HIGH);
	} else if (dc->ndev->id == 1) {
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0AB,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0BB,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY0CB,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAY1BB,
				      TEGRA_MC_PRIO_MED);
		tegra_mc_set_priority(TEGRA_MC_CLIENT_DISPLAYHCB,
				      TEGRA_MC_PRIO_HIGH);
	}
	tegra_dc_writel(dc, 0x00000100 | dc->vblank_syncpt,
			DC_CMD_CONT_SYNCPT_VSYNC);
	tegra_dc_writel(dc, 0x00004700, DC_CMD_INT_TYPE);
	tegra_dc_writel(dc, 0x0001c700, DC_CMD_INT_POLARITY);
	tegra_dc_writel(dc, 0x00202020, DC_DISP_MEM_HIGH_PRIORITY);
	tegra_dc_writel(dc, 0x00010101, DC_DISP_MEM_HIGH_PRIORITY_TIMER);
#ifdef CONFIG_ARCH_TEGRA_3x_SOC
	tegra_dc_writel(dc, 0x00000000, DC_DISP_DISP_MISC_CONTROL);
#endif
	/* enable interrupts for vblank, frame_end and underflows */
	int_enable = (FRAME_END_INT | V_BLANK_INT | ALL_UF_INT);
	/* for panels with one-shot mode enable tearing effect interrupt */
	if (dc->out->flags & TEGRA_DC_OUT_ONE_SHOT_MODE)
		int_enable |= MSF_INT;

	tegra_dc_writel(dc, int_enable, DC_CMD_INT_ENABLE);
	tegra_dc_writel(dc, ALL_UF_INT, DC_CMD_INT_MASK);

	tegra_dc_writel(dc, 0x00000000, DC_DISP_BORDER_COLOR);

	tegra_dc_set_color_control(dc);
	for (i = 0; i < DC_N_WINDOWS; i++) {
		struct tegra_dc_win *win = &dc->windows[i];
		tegra_dc_writel(dc, WINDOW_A_SELECT << i,
				DC_CMD_DISPLAY_WINDOW_HEADER);
		tegra_dc_set_csc(dc, &win->csc);
		tegra_dc_set_lut(dc, win);
		tegra_dc_set_scaling_filter(dc);
	}


	for (i = 0; i < dc->n_windows; i++) {
		u32 syncpt = get_syncpt(dc, i);

		dc->syncpt[i].id = syncpt;

		dc->syncpt[i].min = dc->syncpt[i].max =
			nvhost_syncpt_read_ext(dc->ndev, syncpt);
	}

	print_mode_info(dc, dc->mode);

	if (dc->mode.pclk)
		if (tegra_dc_program_mode(dc, &dc->mode))
			return -EINVAL;

	/* Initialize SD AFTER the modeset.
	   nvsd_init handles the sd_settings = NULL case. */
	nvsd_init(dc, dc->out->sd_settings);

	return 0;
}