static int etnaviv_pdev_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *node = dev->of_node;
struct component_match *match = NULL;
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (node) {
struct device_node *core_node;
int i;
for (i = 0; ; i++) {
core_node = of_parse_phandle(node, "cores", i);
if (!core_node)
break;
component_match_add(&pdev->dev, &match, compare_of,
core_node);
of_node_put(core_node);
}
} else if (dev->platform_data) {
char **names = dev->platform_data;
unsigned i;
for (i = 0; names[i]; i++)
component_match_add(dev, &match, compare_str, names[i]);
}
return component_master_add_with_match(dev, &etnaviv_master_ops, match);
}
static int malidp_platform_probe(struct platform_device *pdev)
{
struct device_node *port, *ep;
struct component_match *match = NULL;
if (!pdev->dev.of_node)
return -ENODEV;
/* there is only one output port inside each device, find it */
ep = of_graph_get_next_endpoint(pdev->dev.of_node, NULL);
if (!ep)
return -ENODEV;
if (!of_device_is_available(ep)) {
of_node_put(ep);
return -ENODEV;
}
/* add the remote encoder port as component */
port = of_graph_get_remote_port_parent(ep);
of_node_put(ep);
if (!port || !of_device_is_available(port)) {
of_node_put(port);
return -EAGAIN;
}
component_match_add(&pdev->dev, &match, malidp_compare_dev, port);
return component_master_add_with_match(&pdev->dev, &malidp_master_ops,
match);
}
static int vc4_platform_drm_probe(struct platform_device *pdev)
{
struct component_match *match = NULL;
struct device *dev = &pdev->dev;
vc4_match_add_drivers(dev, &match,
component_drivers, ARRAY_SIZE(component_drivers));
return component_master_add_with_match(dev, &vc4_drm_ops, match);
}
static int sti_tvout_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *node = dev->of_node;
struct sti_tvout *tvout;
struct resource *res;
struct device_node *child_np;
struct component_match *match = NULL;
DRM_INFO("%s\n", __func__);
if (!node)
return -ENODEV;
tvout = devm_kzalloc(dev, sizeof(*tvout), GFP_KERNEL);
if (!tvout)
return -ENOMEM;
tvout->dev = dev;
/* get Memory ressources */
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tvout-reg");
if (!res) {
DRM_ERROR("Invalid glue resource\n");
return -ENOMEM;
}
tvout->regs = devm_ioremap_nocache(dev, res->start, resource_size(res));
if (!tvout->regs)
return -ENOMEM;
/* get reset resources */
tvout->reset = devm_reset_control_get(dev, "tvout");
/* take tvout out of reset */
if (!IS_ERR(tvout->reset))
reset_control_deassert(tvout->reset);
platform_set_drvdata(pdev, tvout);
of_platform_populate(node, NULL, NULL, dev);
child_np = of_get_next_available_child(node, NULL);
while (child_np) {
component_match_add(dev, &match, compare_of, child_np);
of_node_put(child_np);
child_np = of_get_next_available_child(node, child_np);
}
component_master_add_with_match(dev, &sti_tvout_master_ops, match);
return component_add(dev, &sti_tvout_ops);
}
static int hdlcd_probe(struct platform_device *pdev)
{
struct device_node *port;
struct component_match *match = NULL;
/* there is only one output port inside each device, find it */
port = of_graph_get_remote_node(pdev->dev.of_node, 0, 0);
if (!port)
return -ENODEV;
drm_of_component_match_add(&pdev->dev, &match, compare_dev, port);
of_node_put(port);
return component_master_add_with_match(&pdev->dev, &hdlcd_master_ops,
match);
}
int snd_hdac_i915_init(struct hdac_bus *bus)
{
struct component_match *match = NULL;
struct device *dev = bus->dev;
struct i915_audio_component *acomp;
int ret;
acomp = kzalloc(sizeof(*acomp), GFP_KERNEL);
if (!acomp)
return -ENOMEM;
bus->audio_component = acomp;
hdac_acomp = acomp;
component_match_add(dev, &match, hdac_component_master_match, bus);
ret = component_master_add_with_match(dev, &hdac_component_master_ops,
match);
if (ret < 0)
goto out_err;
/*
* Atm, we don't support deferring the component binding, so make sure
* i915 is loaded and that the binding successfully completes.
*/
request_module("i915");
if (!acomp->ops) {
ret = -ENODEV;
goto out_master_del;
}
dev_dbg(dev, "bound to i915 component master\n");
return 0;
out_master_del:
component_master_del(dev, &hdac_component_master_ops);
out_err:
kfree(acomp);
bus->audio_component = NULL;
dev_err(dev, "failed to add i915 component master (%d)\n", ret);
return ret;
}
static int kirin_drm_platform_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct component_match *match = NULL;
struct device_node *remote;
dc_ops = (struct kirin_dc_ops *)of_device_get_match_data(dev);
if (!dc_ops) {
DRM_ERROR("failed to get dt id data\n");
return -EINVAL;
}
remote = kirin_get_remote_node(np);
if (IS_ERR(remote))
return PTR_ERR(remote);
drm_of_component_match_add(dev, &match, compare_of, remote);
of_node_put(remote);
return component_master_add_with_match(dev, &kirin_drm_ops, match);
return 0;
}
/**
* snd_hdac_acomp_init - Initialize audio component
* @bus: HDA core bus
* @match_master: match function for finding components
* @extra_size: Extra bytes to allocate
*
* This function is supposed to be used only by a HD-audio controller
* driver that needs the interaction with graphics driver.
*
* This function initializes and sets up the audio component to communicate
* with graphics driver.
*
* Unlike snd_hdac_i915_init(), this function doesn't synchronize with the
* binding with the DRM component. Each caller needs to sync via master_bind
* audio_ops.
*
* Returns zero for success or a negative error code.
*/
int snd_hdac_acomp_init(struct hdac_bus *bus,
const struct drm_audio_component_audio_ops *aops,
int (*match_master)(struct device *, void *),
size_t extra_size)
{
struct component_match *match = NULL;
struct device *dev = bus->dev;
struct drm_audio_component *acomp;
int ret;
if (WARN_ON(hdac_get_acomp(dev)))
return -EBUSY;
acomp = devres_alloc(hdac_acomp_release, sizeof(*acomp) + extra_size,
GFP_KERNEL);
if (!acomp)
return -ENOMEM;
acomp->audio_ops = aops;
bus->audio_component = acomp;
devres_add(dev, acomp);
component_match_add(dev, &match, match_master, bus);
ret = component_master_add_with_match(dev, &hdac_component_master_ops,
match);
if (ret < 0)
goto out_err;
return 0;
out_err:
bus->audio_component = NULL;
devres_destroy(dev, hdac_acomp_release, NULL, NULL);
dev_info(dev, "failed to add audio component master (%d)\n", ret);
return ret;
}
