1 files changed, 0 insertions, 290 deletions

diff --git a/drivers/media/video/samsung/ump/linux/ump_kernel_memory_backend_vcm.c b/drivers/media/video/samsung/ump/linux/ump_kernel_memory_backend_vcm.c
deleted file mode 100644
index 46797ea..0000000
--- a/drivers/media/video/samsung/ump/linux/ump_kernel_memory_backend_vcm.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/*
- * Copyright (C) 2010-2012 ARM Limited. All rights reserved.
- *
- * This program is free software and is provided to you under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
- *
- * A copy of the licence is included with the program, and can also be obtained from Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-/* create by boojin.kim@samsung.com */
-/* needed to detect kernel version specific code */
-#include <linux/version.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
-#include <linux/semaphore.h>
-#else /* pre 2.6.26 the file was in the arch specific location */
-#include <asm/semaphore.h>
-#endif
-
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <asm/atomic.h>
-#include <linux/vmalloc.h>
-#include <asm/cacheflush.h>
-#include "ump_kernel_common.h"
-#include "ump_kernel_memory_backend.h"
-#include "ump_kernel_interface_ref_drv.h"
-#include "ump_kernel_memory_backend_vcm.h"
-#include "../common/ump_uk_types.h"
-#include <linux/vcm-drv.h>
-#include <plat/s5p-vcm.h>
-#include <linux/dma-mapping.h>
-
-#define UMP_REF_DRV_UK_VCM_DEV_G2D 12
-
-typedef struct ump_vcm {
-	struct vcm *vcm;
-	struct vcm_res  *vcm_res;
-	unsigned int dev_id;
-} ump_vcm;
-
-typedef struct vcm_allocator {
-	struct semaphore mutex;
-	u32 num_vcm_blocks;
-} vcm_allocator;
-
-static void ump_vcm_free(void* ctx, ump_dd_mem * descriptor);
-static int ump_vcm_allocate(void* ctx, ump_dd_mem * descriptor);
-static void *vcm_res_get(ump_dd_mem *mem, void* args);
-static void vcm_attr_set(ump_dd_mem *mem, void* args);
-static int vcm_mem_allocator(vcm_allocator *info, ump_dd_mem *descriptor);
-static void vcm_memory_backend_destroy(ump_memory_backend * backend);
-
-
-/*
- * Create VCM memory backend
- */
-ump_memory_backend * ump_vcm_memory_backend_create(const int max_allocation)
-{
-	ump_memory_backend * backend;
-	vcm_allocator * info;
-
-	info = kmalloc(sizeof(vcm_allocator), GFP_KERNEL);
-	if (NULL == info)
-	{
-		return NULL;
-	}
-
-	info->num_vcm_blocks = 0;
-
-
-	sema_init(&info->mutex, 1);
-
-	backend = kmalloc(sizeof(ump_memory_backend), GFP_KERNEL);
-	if (NULL == backend)
-	{
-		kfree(info);
-		return NULL;
-	}
-
-	backend->ctx = info;
-	backend->allocate = ump_vcm_allocate;
-	backend->release = ump_vcm_free;
-	backend->shutdown = vcm_memory_backend_destroy;
-	backend->pre_allocate_physical_check = NULL;
-	backend->adjust_to_mali_phys = NULL;
-
-	backend->get = vcm_res_get;
-	backend->set = vcm_attr_set;
-
-
-	return backend;
-}
-
-/*
- * Destroy specified VCM memory backend
- */
-static void vcm_memory_backend_destroy(ump_memory_backend * backend)
-{
-	vcm_allocator * info = (vcm_allocator*)backend->ctx;
-#if 0
-	DBG_MSG_IF(1, 0 != info->num_pages_allocated, ("%d pages still in use during shutdown\n", info->num_pages_allocated));
-#endif
-	kfree(info);
-	kfree(backend);
-}
-
-/*
- * Allocate UMP memory
- */
-static int ump_vcm_allocate(void *ctx, ump_dd_mem * descriptor)
-{
-	int ret;		/* success */
-	vcm_allocator *info;
-	struct ump_vcm *ump_vcm;
-
-	BUG_ON(!descriptor);
-	BUG_ON(!ctx);
-
-	info = (vcm_allocator*)ctx;
-
-	ump_vcm = kmalloc(sizeof(struct ump_vcm), GFP_KERNEL);
-	if (NULL == ump_vcm)
-	{
-		return 0;
-	}
-
-	ump_vcm->dev_id = (int)descriptor->backend_info & ~UMP_REF_DRV_UK_CONSTRAINT_USE_CACHE;
-
-	if(ump_vcm->dev_id == UMP_REF_DRV_UK_CONSTRAINT_NONE) {		/* None */
-		ump_vcm->dev_id = UMP_REF_DRV_UK_VCM_DEV_G2D;	/* this ID is G2D */
-	}
-	else if(ump_vcm->dev_id == UMP_REF_DRV_UK_CONSTRAINT_PHYSICALLY_LINEAR) { /* Physical Linear */
-		return 0;
-	}
-	else {				/* Other VCM */
-		ump_vcm->dev_id -= 2;
-	}
-
-	DBG_MSG(5, ("Device ID for VCM : %d\n", ump_vcm->dev_id));
-	ump_vcm->vcm = vcm_find_vcm(ump_vcm->dev_id);
-
-	if (!ump_vcm->vcm)
-	{
-		return 0;
-	}
-	descriptor->backend_info = (void*)ump_vcm;
-
-	if (down_interruptible(&info->mutex)) {
-		DBG_MSG(1, ("Failed to get mutex in ump_vcm_allocate\n"));
-		return 0;	/* failure */
-	}
-
-	ret = vcm_mem_allocator(info, descriptor);
-	up(&info->mutex);
-
-	return ret;		/* success */
-}
-
-static int vcm_mem_allocator(vcm_allocator *info, ump_dd_mem *descriptor)
-{
-	unsigned long num_blocks;
-	int i;
-	struct vcm_phys *phys;
-	struct vcm_phys_part *part;
-	int size_total = 0;
-	struct ump_vcm *ump_vcm;
-
-	ump_vcm = (struct ump_vcm*)descriptor->backend_info;
-
-	ump_vcm->vcm_res =
-	    vcm_make_binding(ump_vcm->vcm, descriptor->size_bytes,
-	    ump_vcm->dev_id, 0);
-
-	phys = ump_vcm->vcm_res->phys;
-	part = phys->parts;
-	num_blocks = phys->count;
-
-	DBG_MSG(5,
-		("Allocating page array. Size: %lu, VCM Reservation : 0x%x\n",
-		 phys->count * sizeof(ump_dd_physical_block),
-		 ump_vcm->vcm_res->start));
-
-	/* Now, make a copy of the block information supplied by the user */
-	descriptor->block_array =
-	    (ump_dd_physical_block *) vmalloc(sizeof(ump_dd_physical_block) *
-					      num_blocks);
-
-	if (NULL == descriptor->block_array) {
-		vfree(descriptor->block_array);
-		DBG_MSG(1, ("Could not allocate a mem handle for function.\n"));
-		return 0; /* failure */
-	}
-
-	for (i = 0; i < num_blocks; i++) {
-		descriptor->block_array[i].addr = part->start;
-		descriptor->block_array[i].size = part->size;
-
-		dmac_unmap_area(phys_to_virt(part->start), part->size, DMA_FROM_DEVICE);
-		outer_inv_range(part->start, part->start + part->size);
-
-		++part;
-		size_total += descriptor->block_array[i].size;
-		DBG_MSG(6,
-			("UMP memory created with VCM. addr 0x%x, size: 0x%x\n",
-			 descriptor->block_array[i].addr,
-			 descriptor->block_array[i].size));
-	}
-
-	descriptor->size_bytes = size_total;
-	descriptor->nr_blocks = num_blocks;
-	descriptor->ctx = NULL;
-
-	info->num_vcm_blocks += num_blocks;
-	return 1;
-}
-
-/*
- * Free specified UMP memory
- */
-static void ump_vcm_free(void *ctx, ump_dd_mem * descriptor)
-{
-	struct ump_vcm *ump_vcm;
-	vcm_allocator *info;
-
-	BUG_ON(!descriptor);
-	BUG_ON(!ctx);
-
-	ump_vcm = (struct ump_vcm*)descriptor->backend_info;
-	info = (vcm_allocator*)ctx;
-
-	BUG_ON(descriptor->nr_blocks > info->num_vcm_blocks);
-
-	if (down_interruptible(&info->mutex)) {
-		DBG_MSG(1, ("Failed to get mutex in ump_vcm_free\n"));
-		return;
-	}
-
-	DBG_MSG(5, ("Releasing %lu VCM pages\n", descriptor->nr_blocks));
-
-	info->num_vcm_blocks -= descriptor->nr_blocks;
-
-	up(&info->mutex);
-
-	DBG_MSG(6, ("Freeing physical page by VCM\n"));
-	vcm_destroy_binding(ump_vcm->vcm_res);
-	ump_vcm->vcm = NULL;
-	ump_vcm->vcm_res = NULL;
-
-	kfree(ump_vcm);
-	vfree(descriptor->block_array);
-}
-
-static void *vcm_res_get(ump_dd_mem *mem, void *args)
-{
-	struct ump_vcm *ump_vcm;
-	enum vcm_dev_id vcm_id;
-
-	ump_vcm = (struct ump_vcm*)mem->backend_info;
-	vcm_id = (enum vcm_dev_id)args;
-
-	if (vcm_reservation_in_vcm
-		(vcm_find_vcm(vcm_id), ump_vcm->vcm_res)
-		== S5PVCM_RES_NOT_IN_VCM)
-		return NULL;
-	else
-		return ump_vcm->vcm_res;
-}
-
-static void vcm_attr_set(ump_dd_mem *mem, void *args)
-{
-	struct ump_vcm *ump_vcm, *ump_vcmh;
-
-	ump_vcm = (struct ump_vcm*)args;
-
-	ump_vcmh = kmalloc(sizeof(struct ump_vcm), GFP_KERNEL);
-        if (NULL == ump_vcmh)
-	{
-		return;
-	}
-
-	ump_vcmh->dev_id = ump_vcm->dev_id;
-	ump_vcmh->vcm = ump_vcm->vcm;
-	ump_vcmh->vcm_res = ump_vcm->vcm_res;
-
-	mem->backend_info= (void*)ump_vcmh;
-
-	return;
-}