1 // SPDX-License-Identifier: GPL-2.0-or-later
28 #define HHI_VDAC_CNTL0		0x2F4 /* 0xbd offset in data sheet */
29 #define HHI_VDAC_CNTL0_G12A	0x2EC /* 0xbd offset in data sheet */
30 #define HHI_VDAC_CNTL1		0x2F8 /* 0xbe offset in data sheet */
31 #define HHI_VDAC_CNTL1_G12A	0x2F0 /* 0xbe offset in data sheet */
74 		if (drm_mode_match(req_mode, &meson_mode->mode,  in meson_cvbs_get_mode()
91 	return drm_bridge_attach(bridge->encoder, meson_encoder_cvbs->next_bridge,  in meson_encoder_cvbs_attach()
92 				 &meson_encoder_cvbs->bridge, flags);  in meson_encoder_cvbs_attach()
100 	struct meson_drm *priv = meson_encoder_cvbs->priv;  in meson_encoder_cvbs_get_modes()
107 		mode = drm_mode_duplicate(priv->drm, &meson_mode->mode);  in meson_encoder_cvbs_get_modes()
109 			dev_err(priv->dev, "Failed to create a new display mode\n");  in meson_encoder_cvbs_get_modes()
135 	if (meson_cvbs_get_mode(&crtc_state->mode))  in meson_encoder_cvbs_atomic_check()
138 	return -EINVAL;  in meson_encoder_cvbs_atomic_check()
145 	struct drm_atomic_state *state = bridge_state->base.state;  in meson_encoder_cvbs_atomic_enable()
146 	struct meson_drm *priv = encoder_cvbs->priv;  in meson_encoder_cvbs_atomic_enable()
152 	connector = drm_atomic_get_new_connector_for_encoder(state, bridge->encoder);  in meson_encoder_cvbs_atomic_enable()
160 	crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);  in meson_encoder_cvbs_atomic_enable()
164 	meson_mode = meson_cvbs_get_mode(&crtc_state->adjusted_mode);  in meson_encoder_cvbs_atomic_enable()
168 	meson_venci_cvbs_mode_set(priv, meson_mode->enci);  in meson_encoder_cvbs_atomic_enable()
178 			    priv->io_base + _REG(VENC_VDAC_DACSEL0));  in meson_encoder_cvbs_atomic_enable()
181 		regmap_write(priv->hhi, HHI_VDAC_CNTL0, 1);  in meson_encoder_cvbs_atomic_enable()
182 		regmap_write(priv->hhi, HHI_VDAC_CNTL1, 0);  in meson_encoder_cvbs_atomic_enable()
185 		regmap_write(priv->hhi, HHI_VDAC_CNTL0, 0xf0001);  in meson_encoder_cvbs_atomic_enable()
186 		regmap_write(priv->hhi, HHI_VDAC_CNTL1, 0);  in meson_encoder_cvbs_atomic_enable()
188 		regmap_write(priv->hhi, HHI_VDAC_CNTL0_G12A, 0x906001);  in meson_encoder_cvbs_atomic_enable()
189 		regmap_write(priv->hhi, HHI_VDAC_CNTL1_G12A, 0);  in meson_encoder_cvbs_atomic_enable()
198 	struct meson_drm *priv = meson_encoder_cvbs->priv;  in meson_encoder_cvbs_atomic_disable()
202 		regmap_write(priv->hhi, HHI_VDAC_CNTL0_G12A, 0);  in meson_encoder_cvbs_atomic_disable()
203 		regmap_write(priv->hhi, HHI_VDAC_CNTL1_G12A, 0);  in meson_encoder_cvbs_atomic_disable()
205 		regmap_write(priv->hhi, HHI_VDAC_CNTL0, 0);  in meson_encoder_cvbs_atomic_disable()
206 		regmap_write(priv->hhi, HHI_VDAC_CNTL1, 8);  in meson_encoder_cvbs_atomic_disable()
224 	struct drm_device *drm = priv->drm;  in meson_encoder_cvbs_probe()
230 	meson_encoder_cvbs = devm_kzalloc(priv->dev, sizeof(*meson_encoder_cvbs), GFP_KERNEL);  in meson_encoder_cvbs_probe()
232 		return -ENOMEM;  in meson_encoder_cvbs_probe()
235 	remote = of_graph_get_remote_node(priv->dev->of_node, 0, 0);  in meson_encoder_cvbs_probe()
237 		dev_info(drm->dev, "CVBS Output connector not available\n");  in meson_encoder_cvbs_probe()
241 	meson_encoder_cvbs->next_bridge = of_drm_find_bridge(remote);  in meson_encoder_cvbs_probe()
243 	if (!meson_encoder_cvbs->next_bridge)  in meson_encoder_cvbs_probe()
244 		return dev_err_probe(priv->dev, -EPROBE_DEFER,  in meson_encoder_cvbs_probe()
248 	meson_encoder_cvbs->bridge.funcs = &meson_encoder_cvbs_bridge_funcs;  in meson_encoder_cvbs_probe()
249 	meson_encoder_cvbs->bridge.of_node = priv->dev->of_node;  in meson_encoder_cvbs_probe()
250 	meson_encoder_cvbs->bridge.type = DRM_MODE_CONNECTOR_Composite;  in meson_encoder_cvbs_probe()
251 	meson_encoder_cvbs->bridge.ops = DRM_BRIDGE_OP_MODES;  in meson_encoder_cvbs_probe()
252 	meson_encoder_cvbs->bridge.interlace_allowed = true;  in meson_encoder_cvbs_probe()
254 	drm_bridge_add(&meson_encoder_cvbs->bridge);  in meson_encoder_cvbs_probe()
256 	meson_encoder_cvbs->priv = priv;  in meson_encoder_cvbs_probe()
259 	ret = drm_simple_encoder_init(priv->drm, &meson_encoder_cvbs->encoder,  in meson_encoder_cvbs_probe()
262 		return dev_err_probe(priv->dev, ret,  in meson_encoder_cvbs_probe()
265 	meson_encoder_cvbs->encoder.possible_crtcs = BIT(0);  in meson_encoder_cvbs_probe()
268 	ret = drm_bridge_attach(&meson_encoder_cvbs->encoder, &meson_encoder_cvbs->bridge, NULL,  in meson_encoder_cvbs_probe()
271 		dev_err(priv->dev, "Failed to attach bridge: %d\n", ret);  in meson_encoder_cvbs_probe()
276 	connector = drm_bridge_connector_init(priv->drm, &meson_encoder_cvbs->encoder);  in meson_encoder_cvbs_probe()
278 		return dev_err_probe(priv->dev, PTR_ERR(connector),  in meson_encoder_cvbs_probe()
281 	drm_connector_attach_encoder(connector, &meson_encoder_cvbs->encoder);  in meson_encoder_cvbs_probe()
283 	priv->encoders[MESON_ENC_CVBS] = meson_encoder_cvbs;  in meson_encoder_cvbs_probe()
292 	if (priv->encoders[MESON_ENC_CVBS]) {  in meson_encoder_cvbs_remove()
293 		meson_encoder_cvbs = priv->encoders[MESON_ENC_CVBS];  in meson_encoder_cvbs_remove()
294 		drm_bridge_remove(&meson_encoder_cvbs->bridge);  in meson_encoder_cvbs_remove()