diff options
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-core.c | 1 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-mdevice.c | 108 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-mdevice.h | 5 | ||||
| -rw-r--r-- | include/media/s5p_fimc.h | 1 |
4 files changed, 98 insertions, 17 deletions
diff --git a/drivers/media/platform/s5p-fimc/fimc-core.c b/drivers/media/platform/s5p-fimc/fimc-core.c index d39e47abb229..6a8098c42cc8 100644 --- a/drivers/media/platform/s5p-fimc/fimc-core.c +++ b/drivers/media/platform/s5p-fimc/fimc-core.c @@ -1281,7 +1281,6 @@ static const struct platform_device_id fimc_driver_ids[] = { }, { }, }; -MODULE_DEVICE_TABLE(platform, fimc_driver_ids); static const struct of_device_id fimc_of_match[] = { { diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c index a17fcb2d5d41..d34106c66427 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -17,11 +17,16 @@ #include <linux/kernel.h> #include <linux/list.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> +#include <linux/of_i2c.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/types.h> #include <linux/slab.h> #include <media/v4l2-ctrls.h> +#include <media/v4l2-of.h> #include <media/media-device.h> #include <media/s5p_fimc.h> @@ -264,6 +269,21 @@ static void fimc_md_unregister_sensor(struct v4l2_subdev *sd) i2c_put_adapter(adapter); } +#ifdef CONFIG_OF +static int __of_get_csis_id(struct device_node *np) +{ + u32 reg = 0; + + np = of_get_child_by_name(np, "port"); + if (!np) + return -EINVAL; + of_property_read_u32(np, "reg", ®); + return reg - FIMC_INPUT_MIPI_CSI2_0; +} +#else +#define __of_get_csis_id(np) (-ENOSYS) +#endif + static int fimc_md_register_sensor_entities(struct fimc_md *fmd) { struct s5p_platform_fimc *pdata = fmd->pdev->dev.platform_data; @@ -368,13 +388,13 @@ static int register_csis_entity(struct fimc_md *fmd, struct device_node *node = pdev->dev.of_node; int id, ret; - id = node ? of_alias_get_id(node, "csis") : max(0, pdev->id); + id = node ? __of_get_csis_id(node) : max(0, pdev->id); - if (WARN_ON(id >= CSIS_MAX_ENTITIES || fmd->csis[id].sd)) - return -EBUSY; + if (WARN_ON(id < 0 || id >= CSIS_MAX_ENTITIES)) + return -ENOENT; - if (WARN_ON(id >= CSIS_MAX_ENTITIES)) - return 0; + if (WARN_ON(fmd->csis[id].sd)) + return -EBUSY; sd->grp_id = GRP_ID_CSIS; ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd); @@ -457,6 +477,45 @@ static int fimc_md_pdev_match(struct device *dev, void *data) return 0; } +/* Register FIMC, FIMC-LITE and CSIS media entities */ +#ifdef CONFIG_OF +static int fimc_md_register_of_platform_entities(struct fimc_md *fmd, + struct device_node *parent) +{ + struct device_node *node; + int ret = 0; + + for_each_available_child_of_node(parent, node) { + struct platform_device *pdev; + int plat_entity = -1; + + pdev = of_find_device_by_node(node); + if (!pdev) + continue; + + /* If driver of any entity isn't ready try all again later. */ + if (!strcmp(node->name, CSIS_OF_NODE_NAME)) + plat_entity = IDX_CSIS; + else if (!strcmp(node->name, FIMC_LITE_OF_NODE_NAME)) + plat_entity = IDX_FLITE; + else if (!strcmp(node->name, FIMC_OF_NODE_NAME) && + !of_property_read_bool(node, "samsung,lcd-wb")) + plat_entity = IDX_FIMC; + + if (plat_entity >= 0) + ret = fimc_md_register_platform_entity(fmd, pdev, + plat_entity); + put_device(&pdev->dev); + if (ret < 0) + break; + } + + return ret; +} +#else +#define fimc_md_register_of_platform_entities(fmd, node) (-ENOSYS) +#endif + static void fimc_md_unregister_entities(struct fimc_md *fmd) { int i; @@ -929,11 +988,12 @@ static DEVICE_ATTR(subdev_conf_mode, S_IWUSR | S_IRUGO, static int fimc_md_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct v4l2_device *v4l2_dev; struct fimc_md *fmd; int ret; - fmd = devm_kzalloc(&pdev->dev, sizeof(*fmd), GFP_KERNEL); + fmd = devm_kzalloc(dev, sizeof(*fmd), GFP_KERNEL); if (!fmd) return -ENOMEM; @@ -943,15 +1003,14 @@ static int fimc_md_probe(struct platform_device *pdev) strlcpy(fmd->media_dev.model, "SAMSUNG S5P FIMC", sizeof(fmd->media_dev.model)); fmd->media_dev.link_notify = fimc_md_link_notify; - fmd->media_dev.dev = &pdev->dev; + fmd->media_dev.dev = dev; v4l2_dev = &fmd->v4l2_dev; v4l2_dev->mdev = &fmd->media_dev; v4l2_dev->notify = fimc_sensor_notify; - snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), "%s", - dev_name(&pdev->dev)); + strlcpy(v4l2_dev->name, "s5p-fimc-md", sizeof(v4l2_dev->name)); - ret = v4l2_device_register(&pdev->dev, &fmd->v4l2_dev); + ret = v4l2_device_register(dev, &fmd->v4l2_dev); if (ret < 0) { v4l2_err(v4l2_dev, "Failed to register v4l2_device: %d\n", ret); return ret; @@ -965,21 +1024,25 @@ static int fimc_md_probe(struct platform_device *pdev) if (ret) goto err_clk; - fmd->user_subdev_api = false; + fmd->user_subdev_api = (dev->of_node != NULL); /* Protect the media graph while we're registering entities */ mutex_lock(&fmd->media_dev.graph_mutex); - ret = bus_for_each_dev(&platform_bus_type, NULL, fmd, - fimc_md_pdev_match); + if (dev->of_node) + ret = fimc_md_register_of_platform_entities(fmd, dev->of_node); + else + ret = bus_for_each_dev(&platform_bus_type, NULL, fmd, + fimc_md_pdev_match); if (ret) goto err_unlock; - if (pdev->dev.platform_data) { + if (dev->platform_data) { ret = fimc_md_register_sensor_entities(fmd); if (ret) goto err_unlock; } + ret = fimc_md_create_links(fmd); if (ret) goto err_unlock; @@ -1019,12 +1082,25 @@ static int fimc_md_remove(struct platform_device *pdev) return 0; } +static struct platform_device_id fimc_driver_ids[] __always_unused = { + { .name = "s5p-fimc-md" }, + { }, +}; +MODULE_DEVICE_TABLE(platform, fimc_driver_ids); + +static const struct of_device_id fimc_md_of_match[] = { + { .compatible = "samsung,fimc" }, + { }, +}; +MODULE_DEVICE_TABLE(of, fimc_md_of_match); + static struct platform_driver fimc_md_driver = { .probe = fimc_md_probe, .remove = fimc_md_remove, .driver = { - .name = "s5p-fimc-md", - .owner = THIS_MODULE, + .of_match_table = of_match_ptr(fimc_md_of_match), + .name = "s5p-fimc-md", + .owner = THIS_MODULE, } }; diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.h b/drivers/media/platform/s5p-fimc/fimc-mdevice.h index 06b0d8276fd2..b6ceb5984664 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.h +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.h @@ -21,6 +21,11 @@ #include "fimc-lite.h" #include "mipi-csis.h" +#define FIMC_OF_NODE_NAME "fimc" +#define FIMC_LITE_OF_NODE_NAME "fimc-lite" +#define FIMC_IS_OF_NODE_NAME "fimc-is" +#define CSIS_OF_NODE_NAME "csis" + /* Group IDs of sensor, MIPI-CSIS, FIMC-LITE and the writeback subdevs. */ #define GRP_ID_SENSOR (1 << 8) #define GRP_ID_FIMC_IS_SENSOR (1 << 9) diff --git a/include/media/s5p_fimc.h b/include/media/s5p_fimc.h index d6dbb791f423..e2c598962698 100644 --- a/include/media/s5p_fimc.h +++ b/include/media/s5p_fimc.h @@ -94,6 +94,7 @@ enum fimc_subdev_index { IDX_SENSOR, IDX_CSIS, IDX_FLITE, + IDX_IS_ISP, IDX_FIMC, IDX_MAX, }; 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