diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/rgb.c')
-rw-r--r-- | drivers/gpu/drm/tegra/rgb.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 3b29018913a5..338f7f6561d7 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -87,15 +87,60 @@ static void tegra_dc_write_regs(struct tegra_dc *dc, static int tegra_output_rgb_enable(struct tegra_output *output) { struct tegra_rgb *rgb = to_rgb(output); + unsigned long value; tegra_dc_write_regs(rgb->dc, rgb_enable, ARRAY_SIZE(rgb_enable)); + value = DE_SELECT_ACTIVE | DE_CONTROL_NORMAL; + tegra_dc_writel(rgb->dc, value, DC_DISP_DATA_ENABLE_OPTIONS); + + /* XXX: parameterize? */ + value = tegra_dc_readl(rgb->dc, DC_COM_PIN_OUTPUT_POLARITY(1)); + value &= ~LVS_OUTPUT_POLARITY_LOW; + value &= ~LHS_OUTPUT_POLARITY_LOW; + tegra_dc_writel(rgb->dc, value, DC_COM_PIN_OUTPUT_POLARITY(1)); + + /* XXX: parameterize? */ + value = DISP_DATA_FORMAT_DF1P1C | DISP_ALIGNMENT_MSB | + DISP_ORDER_RED_BLUE; + tegra_dc_writel(rgb->dc, value, DC_DISP_DISP_INTERFACE_CONTROL); + + /* XXX: parameterize? */ + value = SC0_H_QUALIFIER_NONE | SC1_H_QUALIFIER_NONE; + tegra_dc_writel(rgb->dc, value, DC_DISP_SHIFT_CLOCK_OPTIONS); + + value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_COMMAND); + value &= ~DISP_CTRL_MODE_MASK; + value |= DISP_CTRL_MODE_C_DISPLAY; + tegra_dc_writel(rgb->dc, value, DC_CMD_DISPLAY_COMMAND); + + value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_POWER_CONTROL); + value |= PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE | + PW4_ENABLE | PM0_ENABLE | PM1_ENABLE; + tegra_dc_writel(rgb->dc, value, DC_CMD_DISPLAY_POWER_CONTROL); + + tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); + tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); + return 0; } static int tegra_output_rgb_disable(struct tegra_output *output) { struct tegra_rgb *rgb = to_rgb(output); + unsigned long value; + + value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_POWER_CONTROL); + value &= ~(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE | + PW4_ENABLE | PM0_ENABLE | PM1_ENABLE); + tegra_dc_writel(rgb->dc, value, DC_CMD_DISPLAY_POWER_CONTROL); + + value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_COMMAND); + value &= ~DISP_CTRL_MODE_MASK; + tegra_dc_writel(rgb->dc, value, DC_CMD_DISPLAY_COMMAND); + + tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); + tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable)); @@ -213,7 +258,7 @@ int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc) * RGB outputs are an exception, so we make sure they can be attached * to only their parent display controller. */ - rgb->output.encoder.possible_crtcs = 1 << dc->pipe; + rgb->output.encoder.possible_crtcs = drm_crtc_mask(&dc->base); return 0; } |