Merge "msm: cvp: Add Qualcomm CVP driver for Kona" (f8d2603b) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/media/platform/msm/Kconfig

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		@@ -9,6 +9,7 @@ menuconfig SPECTRA_CAMERA
		Enabling this adds support for the camera driver stack including sensor,
		IFE and postprocessing drivers.

		source "drivers/media/platform/msm/cvp/Kconfig"
		source "drivers/media/platform/msm/sde/Kconfig"
		source "drivers/media/platform/msm/vidc/Kconfig"
		source "drivers/media/platform/msm/npu/Kconfig"

+1 −0

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		@@ -6,5 +6,6 @@ obj-$(CONFIG_SPECTRA_CAMERA) += camera/
		# Makefile for the qti specific video device drivers
		# based on V4L2.
		#
		obj-$(CONFIG_MSM_CVP_V4L2) += cvp/
		obj-$(CONFIG_MSM_VIDC_V4L2) += vidc/
		obj-$(CONFIG_MSM_NPU) += npu/

0 → 100644

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		# SPDX-License-Identifier: GPL-2.0-only
		#
		# CVP CORE
		#

		menuconfig MSM_CVP_V4L2
		tristate "Qualcomm Technologies, Inc. MSM V4L2 based CVP driver"
		depends on ARCH_QCOM && VIDEO_V4L2
		select VIDEOBUF2_CORE
		help
		Enable support of MSM V4L2 CVP driver for
		Qualcomm Technologies, Inc.

0 → 100644

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		# SPDX-License-Identifier: GPL-2.0-only
		ccflags-y += -I$(srctree)/drivers/media/platform/msm/cvp/

		msm-cvp-objs := msm_v4l2_cvp.o \
		msm_v4l2_private.o \
		msm_cvp_platform.o \
		msm_cvp_common.o \
		msm_cvp_core.o \
		msm_cvp.o \
		msm_smem.o \
		msm_cvp_debug.o \
		msm_cvp_res_parse.o \
		cvp_hfi.o \
		hfi_response_handler.o \
		hfi_packetization.o \
		cvp_core_hfi.o \
		msm_cvp_clocks.o

		obj-$(CONFIG_MSM_CVP_V4L2) := msm-cvp.o

0 → 100644

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		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
		*/

		#include <linux/slab.h>
		#include "msm_cvp_debug.h"
		#include "cvp_hfi_api.h"
		#include "cvp_core_hfi.h"

		struct hfi_device *cvp_hfi_initialize(enum msm_cvp_hfi_type hfi_type,
		u32 device_id, struct msm_cvp_platform_resources *res,
		hfi_cmd_response_callback callback)
		{
		struct hfi_device *hdev = NULL;
		int rc = 0;

		hdev = kzalloc(sizeof(struct hfi_device), GFP_KERNEL);
		if (!hdev) {
		dprintk(CVP_ERR, "%s: failed to allocate hdev\n", __func__);
		return NULL;
		}

		switch (hfi_type) {
		case CVP_HFI_VENUS:
		rc = cvp_venus_hfi_initialize(hdev, device_id, res, callback);
		break;
		default:
		dprintk(CVP_ERR, "Unsupported host-firmware interface\n");
		goto err_hfi_init;
		}

		if (rc) {
		if (rc != -EPROBE_DEFER)
		dprintk(CVP_ERR, "%s device init failed rc = %d",
		__func__, rc);
		goto err_hfi_init;
		}

		return hdev;

		err_hfi_init:
		kfree(hdev);
		return ERR_PTR(rc);
		}

		void cvp_hfi_deinitialize(enum msm_cvp_hfi_type hfi_type,
		struct hfi_device *hdev)
		{
		if (!hdev) {
		dprintk(CVP_ERR, "%s invalid device %pK", __func__, hdev);
		return;
		}

		switch (hfi_type) {
		case CVP_HFI_VENUS:
		cvp_venus_hfi_delete_device(hdev->hfi_device_data);
		break;
		default:
		dprintk(CVP_ERR, "Unsupported host-firmware interface\n");
		}

		kfree(hdev);
		}