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/*
* Support for Medfield PNW Camera Imaging ISP subsystem.
*
* Copyright (c) 2010 Intel Corporation. All Rights Reserved.
*
* Copyright (c) 2010 Silicon Hive www.siliconhive.com.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*/
#ifndef _hive_isp_css_mm_hrt_h_
#define _hive_isp_css_mm_hrt_h_
#include <hmm/hmm.h>
#include <hrt/hive_isp_css_custom_host_hrt.h>
#define HRT_BUF_FLAG_CACHED (1 << 0)
enum hrt_userptr_type {
HRT_USR_PTR = 0,
#ifdef CONFIG_ION
HRT_USR_ION,
#endif
};
struct hrt_userbuffer_attr {
enum hrt_userptr_type type;
unsigned int pgnr;
};
void hrt_isp_css_mm_set_user_ptr(void *userptr,
unsigned int num_pages, enum hrt_userptr_type);
int hrt_isp_css_mm_set(ia_css_ptr virt_addr, int c, size_t bytes);
/* Allocate memory, returns a virtual address */
ia_css_ptr hrt_isp_css_mm_alloc(size_t bytes);
ia_css_ptr hrt_isp_css_mm_alloc_user_ptr(size_t bytes, void *userptr,
unsigned int num_pages,
enum hrt_userptr_type,
bool cached);
ia_css_ptr hrt_isp_css_mm_alloc_cached(size_t bytes);
/* allocate memory and initialize with zeros,
returns a virtual address */
ia_css_ptr hrt_isp_css_mm_calloc(size_t bytes);
ia_css_ptr hrt_isp_css_mm_calloc_cached(size_t bytes);
/* Store data to a virtual address */
int hrt_isp_css_mm_load(ia_css_ptr virt_addr, void *data, size_t bytes);
/* Load data from a virtual address */
int hrt_isp_css_mm_store(ia_css_ptr virt_addr, const void *data, size_t bytes);
int hrt_isp_css_mm_load_int(ia_css_ptr virt_addr, int *data);
int hrt_isp_css_mm_load_short(ia_css_ptr virt_addr, short *data);
int hrt_isp_css_mm_load_char(ia_css_ptr virt_addr, char *data);
int hrt_isp_css_mm_store_char(ia_css_ptr virt_addr, char data);
int hrt_isp_css_mm_store_short(ia_css_ptr virt_addr, short data);
int hrt_isp_css_mm_store_int(ia_css_ptr virt_addr, int data);
/* translate a virtual to a physical address, used to program
the display driver on the FPGA system */
phys_addr_t hrt_isp_css_virt_to_phys(ia_css_ptr virt_addr);
#endif /* _hive_isp_css_mm_hrt_h_ */
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