From 0305189afb323c1bad2be7fe713d556a9b708003 Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Tue, 10 Jul 2018 22:35:06 +0200 Subject: [PATCH] drm/sun4i: tcon: Add support for R40 TCON 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 Signed-off-by: Jernej Skrabec Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-14-jernej.skrabec@siol.net --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 40 ++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 8b3ca1e83f26..0cebb2db5b99 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -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 },