diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_tcon.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_tcon.c | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index e853dfe51389..75124043d655 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -14,9 +14,12 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> +#include <drm/drm_encoder.h> #include <drm/drm_modes.h> #include <drm/drm_of.h> +#include <uapi/drm/drm_mode.h> + #include <linux/component.h> #include <linux/ioport.h> #include <linux/of_address.h> @@ -112,23 +115,13 @@ EXPORT_SYMBOL(sun4i_tcon_enable_vblank); void sun4i_tcon_set_mux(struct sun4i_tcon *tcon, int channel, struct drm_encoder *encoder) { - u32 val; - - if (!tcon->quirks->has_unknown_mux) - return; + int ret = -ENOTSUPP; - if (channel != 1) - return; - - if (encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) - val = 1; - else - val = 0; + if (tcon->quirks->set_mux) + ret = tcon->quirks->set_mux(tcon, encoder); - /* - * FIXME: Undocumented bits - */ - regmap_write(tcon->regs, SUN4I_TCON_MUX_CTRL_REG, val); + DRM_DEBUG_DRIVER("Muxing encoder %s to CRTC %s: %d\n", + encoder->name, encoder->crtc->name, ret); } EXPORT_SYMBOL(sun4i_tcon_set_mux); @@ -767,9 +760,26 @@ static int sun4i_tcon_remove(struct platform_device *pdev) return 0; } +/* platform specific TCON muxing callbacks */ +static int sun5i_a13_tcon_set_mux(struct sun4i_tcon *tcon, + struct drm_encoder *encoder) +{ + u32 val; + + if (encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) + val = 1; + else + val = 0; + + /* + * FIXME: Undocumented bits + */ + return regmap_write(tcon->regs, SUN4I_TCON_MUX_CTRL_REG, val); +} + static const struct sun4i_tcon_quirks sun5i_a13_quirks = { - .has_unknown_mux = true, - .has_channel_1 = true, + .has_channel_1 = true, + .set_mux = sun5i_a13_tcon_set_mux, }; static const struct sun4i_tcon_quirks sun6i_a31_quirks = { |