Merge "msm: npu: Add support to get/set property" (edf9b17c) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/media/platform/msm/npu/npu_dev.c

+71 −0

Original line number	Diff line number	Diff line
		@@ -1319,6 +1319,71 @@ static int npu_receive_event(struct npu_client *client,
		return ret;
		}

		static int npu_set_property(struct npu_client *client,
		unsigned long arg)
		{
		struct msm_npu_property prop;
		void __user argp = (void __user )arg;
		int ret = -EINVAL;

		ret = copy_from_user(&prop, argp, sizeof(prop));
		if (ret) {
		NPU_ERR("fail to copy from user\n");
		return -EFAULT;
		}

		switch (prop.prop_id) {
		default:
		NPU_ERR("Not supported property %d\n", prop.prop_id);
		ret = -EINVAL;
		break;
		}

		return ret;
		}

		static int npu_get_property(struct npu_client *client,
		unsigned long arg)
		{
		struct msm_npu_property prop;
		void __user argp = (void __user )arg;
		int ret = -EINVAL;
		struct npu_device *npu_dev = client->npu_dev;
		struct npu_host_ctx *host_ctx = &npu_dev->host_ctx;

		ret = copy_from_user(&prop, argp, sizeof(prop));
		if (ret) {
		NPU_ERR("fail to copy from user\n");
		return -EFAULT;
		}

		switch (prop.prop_id) {
		case MSM_NPU_PROP_ID_FW_STATE:
		prop.prop_param[0] = host_ctx->fw_state;
		break;
		case MSM_NPU_PROP_ID_PERF_MODE_MAX:
		prop.prop_param[0] = npu_dev->pwrctrl.num_pwrlevels;
		break;
		case MSM_NPU_PROP_ID_DRV_VERSION:
		prop.prop_param[0] = 0;
		break;
		case MSM_NPU_PROP_ID_HARDWARE_VERSION:
		prop.prop_param[0] = npu_dev->hw_version;
		break;
		default:
		NPU_ERR("Not supported property %d\n", prop.prop_id);
		return -EINVAL;
		}

		ret = copy_to_user(argp, &prop, sizeof(prop));
		if (ret) {
		pr_err("fail to copy to user\n");
		return -EFAULT;
		}

		return ret;
		}

		static long npu_ioctl(struct file *file, unsigned int cmd,
		unsigned long arg)
		{
		@@ -1353,6 +1418,12 @@ static long npu_ioctl(struct file *file, unsigned int cmd,
		case MSM_NPU_RECEIVE_EVENT:
		ret = npu_receive_event(client, arg);
		break;
		case MSM_NPU_SET_PROP:
		ret = npu_set_property(client, arg);
		break;
		case MSM_NPU_GET_PROP:
		ret = npu_get_property(client, arg);
		break;
		default:
		NPU_ERR("unexpected IOCTL %x\n", cmd);
		}