Lines Matching refs:dpsub
37 struct zynqmp_dpsub *dpsub = dev_get_drvdata(dev); in zynqmp_dpsub_suspend() local
39 if (!dpsub->drm) in zynqmp_dpsub_suspend()
42 return drm_mode_config_helper_suspend(&dpsub->drm->dev); in zynqmp_dpsub_suspend()
47 struct zynqmp_dpsub *dpsub = dev_get_drvdata(dev); in zynqmp_dpsub_resume() local
49 if (!dpsub->drm) in zynqmp_dpsub_resume()
52 return drm_mode_config_helper_resume(&dpsub->drm->dev); in zynqmp_dpsub_resume()
71 bool zynqmp_dpsub_audio_enabled(struct zynqmp_dpsub *dpsub) in zynqmp_dpsub_audio_enabled() argument
73 return !!dpsub->aud_clk; in zynqmp_dpsub_audio_enabled()
82 unsigned int zynqmp_dpsub_get_audio_clk_rate(struct zynqmp_dpsub *dpsub) in zynqmp_dpsub_get_audio_clk_rate() argument
84 if (zynqmp_dpsub_audio_enabled(dpsub)) in zynqmp_dpsub_get_audio_clk_rate()
86 return clk_get_rate(dpsub->aud_clk); in zynqmp_dpsub_get_audio_clk_rate()
93 static int zynqmp_dpsub_init_clocks(struct zynqmp_dpsub *dpsub) in zynqmp_dpsub_init_clocks() argument
97 dpsub->apb_clk = devm_clk_get(dpsub->dev, "dp_apb_clk"); in zynqmp_dpsub_init_clocks()
98 if (IS_ERR(dpsub->apb_clk)) in zynqmp_dpsub_init_clocks()
99 return PTR_ERR(dpsub->apb_clk); in zynqmp_dpsub_init_clocks()
101 ret = clk_prepare_enable(dpsub->apb_clk); in zynqmp_dpsub_init_clocks()
103 dev_err(dpsub->dev, "failed to enable the APB clock\n"); in zynqmp_dpsub_init_clocks()
111 dpsub->vid_clk = devm_clk_get(dpsub->dev, "dp_live_video_in_clk"); in zynqmp_dpsub_init_clocks()
112 if (!IS_ERR(dpsub->vid_clk)) in zynqmp_dpsub_init_clocks()
113 dpsub->vid_clk_from_ps = false; in zynqmp_dpsub_init_clocks()
114 else if (PTR_ERR(dpsub->vid_clk) == -EPROBE_DEFER) in zynqmp_dpsub_init_clocks()
115 return PTR_ERR(dpsub->vid_clk); in zynqmp_dpsub_init_clocks()
117 if (IS_ERR_OR_NULL(dpsub->vid_clk)) { in zynqmp_dpsub_init_clocks()
118 dpsub->vid_clk = devm_clk_get(dpsub->dev, "dp_vtc_pixel_clk_in"); in zynqmp_dpsub_init_clocks()
119 if (IS_ERR(dpsub->vid_clk)) { in zynqmp_dpsub_init_clocks()
120 dev_err(dpsub->dev, "failed to init any video clock\n"); in zynqmp_dpsub_init_clocks()
121 return PTR_ERR(dpsub->vid_clk); in zynqmp_dpsub_init_clocks()
123 dpsub->vid_clk_from_ps = true; in zynqmp_dpsub_init_clocks()
131 dpsub->aud_clk = devm_clk_get(dpsub->dev, "dp_live_audio_aclk"); in zynqmp_dpsub_init_clocks()
132 if (!IS_ERR(dpsub->aud_clk)) { in zynqmp_dpsub_init_clocks()
133 dpsub->aud_clk_from_ps = false; in zynqmp_dpsub_init_clocks()
137 dpsub->aud_clk = devm_clk_get(dpsub->dev, "dp_aud_clk"); in zynqmp_dpsub_init_clocks()
138 if (!IS_ERR(dpsub->aud_clk)) { in zynqmp_dpsub_init_clocks()
139 dpsub->aud_clk_from_ps = true; in zynqmp_dpsub_init_clocks()
143 dev_info(dpsub->dev, "audio disabled due to missing clock\n"); in zynqmp_dpsub_init_clocks()
147 static int zynqmp_dpsub_parse_dt(struct zynqmp_dpsub *dpsub) in zynqmp_dpsub_parse_dt() argument
157 np = of_get_child_by_name(dpsub->dev->of_node, "ports"); in zynqmp_dpsub_parse_dt()
160 dev_warn(dpsub->dev, "missing ports, update DT bindings\n"); in zynqmp_dpsub_parse_dt()
161 dpsub->connected_ports = BIT(ZYNQMP_DPSUB_PORT_OUT_DP); in zynqmp_dpsub_parse_dt()
162 dpsub->dma_enabled = true; in zynqmp_dpsub_parse_dt()
170 np = of_graph_get_remote_node(dpsub->dev->of_node, i, -1); in zynqmp_dpsub_parse_dt()
172 dpsub->connected_ports |= BIT(i); in zynqmp_dpsub_parse_dt()
178 if ((dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_VIDEO)) && in zynqmp_dpsub_parse_dt()
179 (dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_GFX))) { in zynqmp_dpsub_parse_dt()
180 dev_err(dpsub->dev, "only one live video input is supported\n"); in zynqmp_dpsub_parse_dt()
184 if ((dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_VIDEO)) || in zynqmp_dpsub_parse_dt()
185 (dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_GFX))) { in zynqmp_dpsub_parse_dt()
186 if (dpsub->vid_clk_from_ps) { in zynqmp_dpsub_parse_dt()
187 dev_err(dpsub->dev, in zynqmp_dpsub_parse_dt()
192 dpsub->dma_enabled = true; in zynqmp_dpsub_parse_dt()
195 if (dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_AUDIO)) in zynqmp_dpsub_parse_dt()
196 dev_warn(dpsub->dev, "live audio unsupported, ignoring\n"); in zynqmp_dpsub_parse_dt()
198 if ((dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_OUT_VIDEO)) || in zynqmp_dpsub_parse_dt()
199 (dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_OUT_AUDIO))) in zynqmp_dpsub_parse_dt()
200 dev_warn(dpsub->dev, "output to PL unsupported, ignoring\n"); in zynqmp_dpsub_parse_dt()
202 if (!(dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_OUT_DP))) { in zynqmp_dpsub_parse_dt()
203 dev_err(dpsub->dev, "DP output port not connected\n"); in zynqmp_dpsub_parse_dt()
210 void zynqmp_dpsub_release(struct zynqmp_dpsub *dpsub) in zynqmp_dpsub_release() argument
212 kfree(dpsub->disp); in zynqmp_dpsub_release()
213 kfree(dpsub->dp); in zynqmp_dpsub_release()
214 kfree(dpsub); in zynqmp_dpsub_release()
219 struct zynqmp_dpsub *dpsub; in zynqmp_dpsub_probe() local
223 dpsub = kzalloc(sizeof(*dpsub), GFP_KERNEL); in zynqmp_dpsub_probe()
224 if (!dpsub) in zynqmp_dpsub_probe()
227 dpsub->dev = &pdev->dev; in zynqmp_dpsub_probe()
228 platform_set_drvdata(pdev, dpsub); in zynqmp_dpsub_probe()
230 ret = dma_set_mask(dpsub->dev, DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT)); in zynqmp_dpsub_probe()
237 ret = zynqmp_dpsub_init_clocks(dpsub); in zynqmp_dpsub_probe()
241 ret = zynqmp_dpsub_parse_dt(dpsub); in zynqmp_dpsub_probe()
251 ret = zynqmp_dp_probe(dpsub); in zynqmp_dpsub_probe()
255 ret = zynqmp_disp_probe(dpsub); in zynqmp_dpsub_probe()
259 drm_bridge_add(dpsub->bridge); in zynqmp_dpsub_probe()
261 if (dpsub->dma_enabled) { in zynqmp_dpsub_probe()
262 ret = zynqmp_dpsub_drm_init(dpsub); in zynqmp_dpsub_probe()
272 zynqmp_disp_remove(dpsub); in zynqmp_dpsub_probe()
274 zynqmp_dp_remove(dpsub); in zynqmp_dpsub_probe()
277 clk_disable_unprepare(dpsub->apb_clk); in zynqmp_dpsub_probe()
280 if (!dpsub->drm) in zynqmp_dpsub_probe()
281 zynqmp_dpsub_release(dpsub); in zynqmp_dpsub_probe()
287 struct zynqmp_dpsub *dpsub = platform_get_drvdata(pdev); in zynqmp_dpsub_remove() local
289 if (dpsub->drm) in zynqmp_dpsub_remove()
290 zynqmp_dpsub_drm_cleanup(dpsub); in zynqmp_dpsub_remove()
292 drm_bridge_remove(dpsub->bridge); in zynqmp_dpsub_remove()
293 zynqmp_disp_remove(dpsub); in zynqmp_dpsub_remove()
294 zynqmp_dp_remove(dpsub); in zynqmp_dpsub_remove()
297 clk_disable_unprepare(dpsub->apb_clk); in zynqmp_dpsub_remove()
300 if (!dpsub->drm) in zynqmp_dpsub_remove()
301 zynqmp_dpsub_release(dpsub); in zynqmp_dpsub_remove()
306 struct zynqmp_dpsub *dpsub = platform_get_drvdata(pdev); in zynqmp_dpsub_shutdown() local
308 if (!dpsub->drm) in zynqmp_dpsub_shutdown()
311 drm_atomic_helper_shutdown(&dpsub->drm->dev); in zynqmp_dpsub_shutdown()