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| author | Hans de Goede <hdegoede@redhat.com> | 2014-12-27 15:19:23 +0100 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2015-01-14 14:56:39 +0100 |
| commit | 3ffbe477da2c21b54a8b89202519d49c26967561 (patch) | |
| tree | f111246218f55acd89e85397742a7d2529ea0ba1 | |
| parent | 6741cc78bb66d3be9418c8ffbd1ad162bdce6081 (diff) | |
| download | u-boot-imx-3ffbe477da2c21b54a8b89202519d49c26967561.zip u-boot-imx-3ffbe477da2c21b54a8b89202519d49c26967561.tar.gz u-boot-imx-3ffbe477da2c21b54a8b89202519d49c26967561.tar.bz2 | |
sunxi: video: Add support for using PORTD hsync/vsync pins with tcon1
Add support for using PORTD hsync/vsync pins with tcon1, this is a preparation
patch for adding native VGA support.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
| -rw-r--r-- | drivers/video/sunxi_display.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index bb18fe2..eda04f7 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -572,11 +572,12 @@ static void sunxi_lcdc_tcon0_mode_set(const struct ctfb_res_modes *mode) #ifdef CONFIG_VIDEO_HDMI static void sunxi_lcdc_tcon1_mode_set(const struct ctfb_res_modes *mode, - int *clk_div, int *clk_double) + int *clk_div, int *clk_double, + bool use_portd_hvsync) { struct sunxi_lcdc_reg * const lcdc = (struct sunxi_lcdc_reg *)SUNXI_LCD0_BASE; - int bp, clk_delay, total; + int bp, clk_delay, total, val; /* Use tcon1 */ clrsetbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_IO_MAP_MASK, @@ -606,6 +607,21 @@ static void sunxi_lcdc_tcon1_mode_set(const struct ctfb_res_modes *mode, writel(SUNXI_LCDC_X(mode->hsync_len) | SUNXI_LCDC_Y(mode->vsync_len), &lcdc->tcon1_timing_sync); + if (use_portd_hvsync) { + sunxi_gpio_set_cfgpin(SUNXI_GPD(26), SUNXI_GPD0_LCD0); + sunxi_gpio_set_cfgpin(SUNXI_GPD(27), SUNXI_GPD0_LCD0); + + val = 0; + if (mode->sync & FB_SYNC_HOR_HIGH_ACT) + val |= SUNXI_LCDC_TCON_HSYNC_MASK; + if (mode->sync & FB_SYNC_VERT_HIGH_ACT) + val |= SUNXI_LCDC_TCON_VSYNC_MASK; + writel(val, &lcdc->tcon1_io_polarity); + + clrbits_le32(&lcdc->tcon1_io_tristate, + SUNXI_LCDC_TCON_VSYNC_MASK | + SUNXI_LCDC_TCON_HSYNC_MASK); + } sunxi_lcdc_pll_set(1, mode->pixclock_khz, clk_div, clk_double); } @@ -749,7 +765,7 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode, #ifdef CONFIG_VIDEO_HDMI int clk_div, clk_double; sunxi_composer_mode_set(mode, address); - sunxi_lcdc_tcon1_mode_set(mode, &clk_div, &clk_double); + sunxi_lcdc_tcon1_mode_set(mode, &clk_div, &clk_double, 0); sunxi_hdmi_mode_set(mode, clk_div, clk_double); sunxi_composer_enable(); sunxi_lcdc_enable(); |