diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/encoder-opa362.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/displays/encoder-opa362.c | 132 |
1 files changed, 24 insertions, 108 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c index afee1b8b457a..4fefd80f53bb 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c @@ -23,75 +23,28 @@ struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct gpio_desc *enable_gpio; - - struct videomode vm; }; #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) -static int opa362_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int opa362_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - dev_dbg(dssdev->dev, "connect\n"); - - if (omapdss_device_is_connected(dssdev)) - return -EBUSY; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.atv->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - dst->src = dssdev; - dssdev->dst = dst; - - ddata->in = in; - return 0; + return omapdss_device_connect(dst->dss, dst, dst->next); } -static void opa362_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void opa362_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - dev_dbg(dssdev->dev, "disconnect\n"); - - WARN_ON(!omapdss_device_is_connected(dssdev)); - if (!omapdss_device_is_connected(dssdev)) - return; - - WARN_ON(dst != dssdev->dst); - if (dst != dssdev->dst) - return; - - dst->src = NULL; - dssdev->dst = NULL; - - in->ops.atv->disconnect(in, &ddata->dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; + omapdss_device_disconnect(dst, dst->next); } static int opa362_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; dev_dbg(dssdev->dev, "enable\n"); @@ -102,9 +55,7 @@ static int opa362_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.atv->set_timings(in, &ddata->vm); - - r = in->ops.atv->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -119,7 +70,7 @@ static int opa362_enable(struct omap_dss_device *dssdev) static void opa362_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; dev_dbg(dssdev->dev, "disable\n"); @@ -129,56 +80,16 @@ static void opa362_disable(struct omap_dss_device *dssdev) if (ddata->enable_gpio) gpiod_set_value_cansleep(ddata->enable_gpio, 0); - in->ops.atv->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void opa362_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - dev_dbg(dssdev->dev, "set_timings\n"); - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.atv->set_timings(in, vm); -} - -static void opa362_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - dev_dbg(dssdev->dev, "get_timings\n"); - - *vm = ddata->vm; -} - -static int opa362_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - dev_dbg(dssdev->dev, "check_timings\n"); - - return in->ops.atv->check_timings(in, vm); -} - -static const struct omapdss_atv_ops opa362_atv_ops = { +static const struct omap_dss_device_ops opa362_ops = { .connect = opa362_connect, .disconnect = opa362_disconnect, - .enable = opa362_enable, .disable = opa362_disable, - - .check_timings = opa362_check_timings, - .set_timings = opa362_set_timings, - .get_timings = opa362_get_timings, }; static int opa362_probe(struct platform_device *pdev) @@ -186,7 +97,6 @@ static int opa362_probe(struct platform_device *pdev) struct panel_drv_data *ddata; struct omap_dss_device *dssdev; struct gpio_desc *gpio; - int r; dev_dbg(&pdev->dev, "probe\n"); @@ -203,18 +113,22 @@ static int opa362_probe(struct platform_device *pdev) ddata->enable_gpio = gpio; dssdev = &ddata->dssdev; - dssdev->ops.atv = &opa362_atv_ops; + dssdev->ops = &opa362_ops; dssdev->dev = &pdev->dev; dssdev->type = OMAP_DISPLAY_TYPE_VENC; dssdev->output_type = OMAP_DISPLAY_TYPE_VENC; dssdev->owner = THIS_MODULE; + dssdev->of_ports = BIT(1) | BIT(0); - r = omapdss_register_output(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register output\n"); - return r; + dssdev->next = omapdss_of_find_connected_device(pdev->dev.of_node, 1); + if (IS_ERR(dssdev->next)) { + if (PTR_ERR(dssdev->next) != -EPROBE_DEFER) + dev_err(&pdev->dev, "failed to find video sink\n"); + return PTR_ERR(dssdev->next); } + omapdss_device_register(dssdev); + return 0; } @@ -223,7 +137,9 @@ static int __exit opa362_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_output(&ddata->dssdev); + if (dssdev->next) + omapdss_device_put(dssdev->next); + omapdss_device_unregister(&ddata->dssdev); WARN_ON(omapdss_device_is_enabled(dssdev)); if (omapdss_device_is_enabled(dssdev)) @@ -231,7 +147,7 @@ static int __exit opa362_remove(struct platform_device *pdev) WARN_ON(omapdss_device_is_connected(dssdev)); if (omapdss_device_is_connected(dssdev)) - opa362_disconnect(dssdev, dssdev->dst); + omapdss_device_disconnect(NULL, dssdev); return 0; } |