C++ (Cpp) kgsl_ringbuffer_close Examples

Example #1

File: kgsl_ringbuffer.c Project: franjoweb/liquid_chocolate_ics_kernel

int kgsl_ringbuffer_init(struct kgsl_device *device)
{
	int status;
	struct kgsl_yamato_device *yamato_device = KGSL_YAMATO_DEVICE(device);
	struct kgsl_ringbuffer *rb = &yamato_device->ringbuffer;

	rb->device = device;
	rb->sizedwords = (2 << kgsl_cfg_rb_sizelog2quadwords);
	rb->blksizequadwords = kgsl_cfg_rb_blksizequadwords;

	/* allocate memory for ringbuffer */
	status = kgsl_sharedmem_alloc_coherent(&rb->buffer_desc,
					       (rb->sizedwords << 2));
	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		return status;
	}

	/* allocate memory for polling and timestamps */
	/* This really can be at 4 byte alignment boundry but for using MMU
	 * we need to make it at page boundary */
	status = kgsl_sharedmem_alloc_coherent(&rb->memptrs_desc,
					       sizeof(struct kgsl_rbmemptrs));
	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		return status;
	}

	/* overlay structure on memptrs memory */
	rb->memptrs = (struct kgsl_rbmemptrs *) rb->memptrs_desc.hostptr;

	return 0;
}

Example #2

int kgsl_ringbuffer_init(struct kgsl_device *device)
{
	int status;
	uint32_t flags;
	struct kgsl_ringbuffer *rb = &device->ringbuffer;

	KGSL_CMD_VDBG("enter (device=%p)\n", device);

	rb->device = device;
	rb->sizedwords = (2 << kgsl_cfg_rb_sizelog2quadwords);
	rb->blksizequadwords = kgsl_cfg_rb_blksizequadwords;

	/* allocate memory for ringbuffer, needs to be double octword aligned
	* align on page from contiguous physical memory
	*/
	flags =
	    (KGSL_MEMFLAGS_ALIGNPAGE | KGSL_MEMFLAGS_CONPHYS |
	     KGSL_MEMFLAGS_STRICTREQUEST);

	status = kgsl_sharedmem_alloc(flags, (rb->sizedwords << 2),
					&rb->buffer_desc);

	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	/* allocate memory for polling and timestamps */
	/* This really can be at 4 byte alignment boundry but for using MMU
	 * we need to make it at page boundary */
	flags = (KGSL_MEMFLAGS_ALIGNPAGE | KGSL_MEMFLAGS_CONPHYS);

	status = kgsl_sharedmem_alloc(flags, sizeof(struct kgsl_rbmemptrs),
					&rb->memptrs_desc);

	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	/* last allocation of init process is made here so map all
	 * allocations to MMU */
	status = kgsl_yamato_setup_pt(device, device->mmu.defaultpagetable);
	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	/* overlay structure on memptrs memory */
	rb->memptrs = (struct kgsl_rbmemptrs *) rb->memptrs_desc.hostptr;

	rb->flags |= KGSL_FLAGS_INITIALIZED;

	KGSL_CMD_VDBG("return %d\n", 0);
	return 0;
}

Example #3

File: kgsl_ringbuffer.c Project: Scaryghoul/OLDShiftkernel

int kgsl_ringbuffer_init(struct kgsl_device *device)
{
	int status;
	//uint32_t flags;
	struct kgsl_ringbuffer *rb = &device->ringbuffer;

	KGSL_CMD_VDBG("enter (device=%p)\n", device);

	rb->device = device;
	rb->sizedwords = (2 << kgsl_cfg_rb_sizelog2quadwords);
	rb->blksizequadwords = kgsl_cfg_rb_blksizequadwords;

	/* allocate memory for ringbuffer */
	status = kgsl_sharedmem_alloc_coherent(&rb->buffer_desc,
					       (rb->sizedwords << 2));
	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	/* allocate memory for polling and timestamps */
	/* This really can be at 4 byte alignment boundry but for using MMU
	 * we need to make it at page boundary */
	status = kgsl_sharedmem_alloc_coherent(&rb->memptrs_desc,
					       sizeof(struct kgsl_rbmemptrs));
	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	/* overlay structure on memptrs memory */
	rb->memptrs = (struct kgsl_rbmemptrs *) rb->memptrs_desc.hostptr;

	rb->flags |= KGSL_FLAGS_INITIALIZED;

	KGSL_CMD_VDBG("return %d\n", 0);
	return 0;
}

Example #4

int kgsl_ringbuffer_init(struct kgsl_device *device)
{
	int status;
	uint32_t flags;
	struct kgsl_ringbuffer *rb = &device->ringbuffer;

	KGSL_CMD_VDBG("enter (device=%p)\n", device);

	rb->device = device;
	rb->sizedwords = (2 << kgsl_cfg_rb_sizelog2quadwords);
	rb->blksizequadwords = kgsl_cfg_rb_blksizequadwords;

	
	flags =
	    (KGSL_MEMFLAGS_ALIGNPAGE | KGSL_MEMFLAGS_CONPHYS |
	     KGSL_MEMFLAGS_STRICTREQUEST);

	status = kgsl_sharedmem_alloc(flags, (rb->sizedwords << 2),
					&rb->buffer_desc);

	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	
	
	flags = (KGSL_MEMFLAGS_ALIGNPAGE | KGSL_MEMFLAGS_CONPHYS);

	status = kgsl_sharedmem_alloc(flags, sizeof(struct kgsl_rbmemptrs),
					&rb->memptrs_desc);

	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	
	status = kgsl_yamato_setup_pt(device, device->mmu.defaultpagetable);
	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	
	rb->memptrs = (struct kgsl_rbmemptrs *) rb->memptrs_desc.hostptr;

	rb->flags |= KGSL_FLAGS_INITIALIZED;

	status = kgsl_ringbuffer_start(rb);
	if (status != 0) {
		kgsl_ringbuffer_close(rb);
		KGSL_CMD_VDBG("return %d\n", status);
		return status;
	}

	KGSL_CMD_VDBG("return %d\n", 0);
	return 0;
}