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path: root/drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c
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Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c b/drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c
deleted file mode 100644
index c4c5d1abcff8..000000000000
--- a/drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * R-Car Display Unit HDMI Encoder
- *
- * Copyright (C) 2014 Renesas Electronics Corporation
- *
- * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/slab.h>
-
-#include <drm/drmP.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-
-#include "rcar_du_drv.h"
-#include "rcar_du_encoder.h"
-#include "rcar_du_hdmienc.h"
-#include "rcar_du_lvdsenc.h"
-
-struct rcar_du_hdmienc {
- struct rcar_du_encoder *renc;
- bool enabled;
-};
-
-#define to_rcar_hdmienc(e) (to_rcar_encoder(e)->hdmi)
-
-static void rcar_du_hdmienc_disable(struct drm_encoder *encoder)
-{
- struct rcar_du_hdmienc *hdmienc = to_rcar_hdmienc(encoder);
-
- if (hdmienc->renc->lvds)
- rcar_du_lvdsenc_enable(hdmienc->renc->lvds, encoder->crtc,
- false);
-
- hdmienc->enabled = false;
-}
-
-static void rcar_du_hdmienc_enable(struct drm_encoder *encoder)
-{
- struct rcar_du_hdmienc *hdmienc = to_rcar_hdmienc(encoder);
-
- if (hdmienc->renc->lvds)
- rcar_du_lvdsenc_enable(hdmienc->renc->lvds, encoder->crtc,
- true);
-
- hdmienc->enabled = true;
-}
-
-static int rcar_du_hdmienc_atomic_check(struct drm_encoder *encoder,
- struct drm_crtc_state *crtc_state,
- struct drm_connector_state *conn_state)
-{
- struct rcar_du_hdmienc *hdmienc = to_rcar_hdmienc(encoder);
- struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
-
- if (hdmienc->renc->lvds)
- rcar_du_lvdsenc_atomic_check(hdmienc->renc->lvds,
- adjusted_mode);
-
- return 0;
-}
-
-
-static void rcar_du_hdmienc_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct rcar_du_hdmienc *hdmienc = to_rcar_hdmienc(encoder);
-
- rcar_du_crtc_route_output(encoder->crtc, hdmienc->renc->output);
-}
-
-static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
- .mode_set = rcar_du_hdmienc_mode_set,
- .disable = rcar_du_hdmienc_disable,
- .enable = rcar_du_hdmienc_enable,
- .atomic_check = rcar_du_hdmienc_atomic_check,
-};
-
-static void rcar_du_hdmienc_cleanup(struct drm_encoder *encoder)
-{
- struct rcar_du_hdmienc *hdmienc = to_rcar_hdmienc(encoder);
-
- if (hdmienc->enabled)
- rcar_du_hdmienc_disable(encoder);
-
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs encoder_funcs = {
- .destroy = rcar_du_hdmienc_cleanup,
-};
-
-int rcar_du_hdmienc_init(struct rcar_du_device *rcdu,
- struct rcar_du_encoder *renc, struct device_node *np)
-{
- struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc);
- struct drm_bridge *bridge;
- struct rcar_du_hdmienc *hdmienc;
- int ret;
-
- hdmienc = devm_kzalloc(rcdu->dev, sizeof(*hdmienc), GFP_KERNEL);
- if (hdmienc == NULL)
- return -ENOMEM;
-
- /* Locate the DRM bridge from the HDMI encoder DT node. */
- bridge = of_drm_find_bridge(np);
- if (!bridge)
- return -EPROBE_DEFER;
-
- ret = drm_encoder_init(rcdu->ddev, encoder, &encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
- if (ret < 0)
- return ret;
-
- drm_encoder_helper_add(encoder, &encoder_helper_funcs);
-
- renc->hdmi = hdmienc;
- hdmienc->renc = renc;
-
- /* Link the bridge to the encoder. */
- ret = drm_bridge_attach(encoder, bridge, NULL);
- if (ret) {
- drm_encoder_cleanup(encoder);
- return ret;
- }
-
- return 0;
-}