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drm/sun4i: tcon: Add support for R40 TCON

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R40 TV TCON is basically the same as on A83T. However, it needs special
handling, because it has to set up TCON TOP muxes at runtime.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-14-jernej.skrabec@siol.net
This commit is contained in:
Jernej Skrabec 2018-07-10 22:35:06 +02:00 committed by Maxime Ripard
parent cf77d79b4e
commit 0305189afb
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GPG key ID: D2B4C094214DAF74
1 changed files with 40 additions and 0 deletions
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40
drivers/gpu/drm/sun4i/sun4i_tcon.c
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@ -1319,6 +1319,40 @@ static int sun6i_tcon_set_mux(struct sun4i_tcon *tcon,
return 0;
}
static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon *tcon,
const struct drm_encoder *encoder)
{
struct device_node *port, *remote;
struct platform_device *pdev;
int id, ret;
/* find TCON TOP platform device and TCON id */
port = of_graph_get_port_by_id(tcon->dev->of_node, 0);
if (!port)
return -EINVAL;
id = sun4i_tcon_of_get_id_from_port(port);
of_node_put(port);
remote = of_graph_get_remote_node(tcon->dev->of_node, 0, -1);
if (!remote)
return -EINVAL;
pdev = of_find_device_by_node(remote);
of_node_put(remote);
if (!pdev)
return -EINVAL;
if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) {
ret = sun8i_tcon_top_set_hdmi_src(&pdev->dev, id);
if (ret)
return ret;
}
return sun8i_tcon_top_de_config(&pdev->dev, tcon->id, id);
}
static const struct sun4i_tcon_quirks sun4i_a10_quirks = {
.has_channel_0 = true,
.has_channel_1 = true,
@ -1366,6 +1400,11 @@ static const struct sun4i_tcon_quirks sun8i_a83t_tv_quirks = {
.has_channel_1 = true,
};
static const struct sun4i_tcon_quirks sun8i_r40_tv_quirks = {
.has_channel_1 = true,
.set_mux = sun8i_r40_tcon_tv_set_mux,
};
static const struct sun4i_tcon_quirks sun8i_v3s_quirks = {
.has_channel_0 = true,
};
@ -1390,6 +1429,7 @@ const struct of_device_id sun4i_tcon_of_table[] = {
{ .compatible = "allwinner,sun8i-a33-tcon", .data = &sun8i_a33_quirks },
{ .compatible = "allwinner,sun8i-a83t-tcon-lcd", .data = &sun8i_a83t_lcd_quirks },
{ .compatible = "allwinner,sun8i-a83t-tcon-tv", .data = &sun8i_a83t_tv_quirks },
{ .compatible = "allwinner,sun8i-r40-tcon-tv", .data = &sun8i_r40_tv_quirks },
{ .compatible = "allwinner,sun8i-v3s-tcon", .data = &sun8i_v3s_quirks },
{ .compatible = "allwinner,sun9i-a80-tcon-lcd", .data = &sun9i_a80_tcon_lcd_quirks },
{ .compatible = "allwinner,sun9i-a80-tcon-tv", .data = &sun9i_a80_tcon_tv_quirks },