1 files changed, 0 insertions, 149 deletions
diff --git a/src/libcamera/pipeline/raspberrypi/vcsm.h b/src/libcamera/pipeline/raspberrypi/vcsm.h
deleted file mode 100644
index bebe86a7..00000000
--- a/src/libcamera/pipeline/raspberrypi/vcsm.h
+++ /dev/null
@@ -1,149 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * vcsm.h - Helper class for vcsm allocations.
- */
-#ifndef __LIBCAMERA_PIPELINE_RASPBERRYPI_VCSM_H__
-#define __LIBCAMERA_PIPELINE_RASPBERRYPI_VCSM_H__
-
-#include <iostream>
-#include <mutex>
-
-#include <fcntl.h>
-#include <linux/vc_sm_cma_ioctl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <unistd.h>
-
-namespace RPi {
-
-#define VCSM_CMA_DEVICE_NAME "/dev/vcsm-cma"
-
-class Vcsm
-{
-public:
-	Vcsm()
-	{
-		vcsmHandle_ = ::open(VCSM_CMA_DEVICE_NAME, O_RDWR, 0);
-		if (vcsmHandle_ == -1) {
-			std::cerr << "Could not open vcsm device: "
-				  << VCSM_CMA_DEVICE_NAME;
-		}
-	}
-
-	~Vcsm()
-	{
-		/* Free all existing allocations. */
-		auto it = allocMap_.begin();
-		while (it != allocMap_.end())
-			it = remove(it->first);
-
-		if (vcsmHandle_)
-			::close(vcsmHandle_);
-	}
-
-	void *alloc(const char *name, unsigned int size,
-		    vc_sm_cma_cache_e cache = VC_SM_CMA_CACHE_NONE)
-	{
-		unsigned int pageSize = getpagesize();
-		void *user_ptr;
-		int ret;
-
-		if (!name)
-			return nullptr;
-
-		/* Ask for page aligned allocation. */
-		size = (size + pageSize - 1) & ~(pageSize - 1);
-
-		struct vc_sm_cma_ioctl_alloc alloc;
-		memset(&alloc, 0, sizeof(alloc));
-		alloc.size = size;
-		alloc.num = 1;
-		alloc.cached = cache;
-		alloc.handle = 0;
-		memcpy(alloc.name, name, 32);
-
-		ret = ::ioctl(vcsmHandle_, VC_SM_CMA_IOCTL_MEM_ALLOC, &alloc);
-
-		if (ret < 0 || alloc.handle < 0) {
-			std::cerr << "vcsm allocation failure for "
-				  << name << std::endl;
-			return nullptr;
-		}
-
-		/* Map the buffer into user space. */
-		user_ptr = ::mmap(0, alloc.size, PROT_READ | PROT_WRITE,
-				  MAP_SHARED, alloc.handle, 0);
-
-		if (user_ptr == MAP_FAILED) {
-			std::cerr << "vcsm mmap failure for " << name << std::endl;
-			::close(alloc.handle);
-			return nullptr;
-		}
-
-		std::lock_guard<std::mutex> lock(lock_);
-		allocMap_.emplace(user_ptr, AllocInfo(alloc.handle,
-						      alloc.size, alloc.vc_handle));
-
-		return user_ptr;
-	}
-
-	void free(void *user_ptr)
-	{
-		std::lock_guard<std::mutex> lock(lock_);
-		remove(user_ptr);
-	}
-
-	unsigned int getVCHandle(void *user_ptr)
-	{
-		std::lock_guard<std::mutex> lock(lock_);
-		auto it = allocMap_.find(user_ptr);
-		if (it != allocMap_.end())
-			return it->second.vcHandle;
-
-		return 0;
-	}
-
-private:
-	struct AllocInfo {
-		AllocInfo(int handle_, int size_, int vcHandle_)
-			: handle(handle_), size(size_), vcHandle(vcHandle_)
-		{
-		}
-
-		int handle;
-		int size;
-		uint32_t vcHandle;
-	};
-
-	/* Map of all allocations that have been requested. */
-	using AllocMap = std::map<void *, AllocInfo>;
-
-	AllocMap::iterator remove(void *user_ptr)
-	{
-		auto it = allocMap_.find(user_ptr);
-		if (it != allocMap_.end()) {
-			int handle = it->second.handle;
-			int size = it->second.size;
-			::munmap(user_ptr, size);
-			::close(handle);
-			/*
-			 * Remove the allocation from the map. This returns
-			 * an iterator to the next element.
-			 */
-			it = allocMap_.erase(it);
-		}
-
-		/* Returns an iterator to the next element. */
-		return it;
-	}
-
-	AllocMap allocMap_;
-	int vcsmHandle_;
-	std::mutex lock_;
-};
-
-} /* namespace RPi */
-
-#endif /* __LIBCAMERA_PIPELINE_RASPBERRYPI_VCSM_H__ */