diff options
Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_dev.c')
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c index 24548b87e182..ca3599e4a4d3 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c @@ -59,6 +59,48 @@ static void komeda_debugfs_init(struct komeda_dev *mdev) } #endif +static ssize_t +core_id_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct komeda_dev *mdev = dev_to_mdev(dev); + + return snprintf(buf, PAGE_SIZE, "0x%08x\n", mdev->chip.core_id); +} +static DEVICE_ATTR_RO(core_id); + +static ssize_t +config_id_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct komeda_dev *mdev = dev_to_mdev(dev); + struct komeda_pipeline *pipe = mdev->pipelines[0]; + union komeda_config_id config_id; + int i; + + memset(&config_id, 0, sizeof(config_id)); + + config_id.max_line_sz = pipe->layers[0]->hsize_in.end; + config_id.n_pipelines = mdev->n_pipelines; + config_id.n_scalers = pipe->n_scalers; + config_id.n_layers = pipe->n_layers; + config_id.n_richs = 0; + for (i = 0; i < pipe->n_layers; i++) { + if (pipe->layers[i]->layer_type == KOMEDA_FMT_RICH_LAYER) + config_id.n_richs++; + } + return snprintf(buf, PAGE_SIZE, "0x%08x\n", config_id.value); +} +static DEVICE_ATTR_RO(config_id); + +static struct attribute *komeda_sysfs_entries[] = { + &dev_attr_core_id.attr, + &dev_attr_config_id.attr, + NULL, +}; + +static struct attribute_group komeda_sysfs_attr_group = { + .attrs = komeda_sysfs_entries, +}; + static int komeda_parse_pipe_dt(struct komeda_dev *mdev, struct device_node *np) { struct komeda_pipeline *pipe; @@ -151,6 +193,8 @@ struct komeda_dev *komeda_dev_create(struct device *dev) if (!mdev) return ERR_PTR(-ENOMEM); + mutex_init(&mdev->lock); + mdev->dev = dev; mdev->reg_base = devm_ioremap_resource(dev, io_res); if (IS_ERR(mdev->reg_base)) { @@ -205,6 +249,12 @@ struct komeda_dev *komeda_dev_create(struct device *dev) goto err_cleanup; } + err = sysfs_create_group(&dev->kobj, &komeda_sysfs_attr_group); + if (err) { + DRM_ERROR("create sysfs group failed.\n"); + goto err_cleanup; + } + #ifdef CONFIG_DEBUG_FS komeda_debugfs_init(mdev); #endif @@ -222,6 +272,8 @@ void komeda_dev_destroy(struct komeda_dev *mdev) struct komeda_dev_funcs *funcs = mdev->funcs; int i; + sysfs_remove_group(&dev->kobj, &komeda_sysfs_attr_group); + #ifdef CONFIG_DEBUG_FS debugfs_remove_recursive(mdev->debugfs_root); #endif |