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/*
* drivers/media/video/samsung/mfc50/mfc_shared_mem.c
*
* Header file for Samsung MFC (Multi Function Codec - FIMV) driver
*
* Key-Young Park, Copyright (c) 2009 Samsung Electronics
* http://www.samsungsemi.com/
*
* Change Logs
* 2009.10.08 - Apply 9/30 firmware(Key Young, Park)
* 2009.11.06 - clean & invalidate shared mem area (Key Young, Park)
*
* 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.
*/
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/wait.h>
#include <linux/sched.h>
#include <linux/io.h>
#include <asm/cacheflush.h>
#include "mfc_shared_mem.h"
#include "mfc_logmsg.h"
#define DEBUG_ENABLE 0
static inline void mfc_write_shared_mem_item(unsigned int host_wr_addr, unsigned int addr, unsigned int value)
{
MEM_WRITE(host_wr_addr + addr, value);
}
static inline unsigned int mfc_read_shared_mem_item(unsigned int host_wr_addr, unsigned int addr)
{
return MEM_READ(host_wr_addr + addr);
}
void mfc_write_shared_mem(unsigned int host_wr_addr, struct mfc_shared_mem *shared_mem)
{
mfc_write_shared_mem_item(host_wr_addr, RC_CONTROL_ENABLE, 1);/* RC_CONTROL_CONFIG : enable (1), disable(0) */
mfc_write_shared_mem_item(host_wr_addr, SET_FRAME_TAG, shared_mem->set_frame_tag);
mfc_write_shared_mem_item(host_wr_addr, START_BYTE_NUM, shared_mem->start_byte_num);
mfc_write_shared_mem_item(host_wr_addr, EXT_ENC_CONTROL, shared_mem->ext_enc_control);
mfc_write_shared_mem_item(host_wr_addr, ENC_PARAM_CHANGE, shared_mem->enc_param_change);
mfc_write_shared_mem_item(host_wr_addr, VOP_TIMING, shared_mem->vop_timing);
mfc_write_shared_mem_item(host_wr_addr, HEC_PERIOD, shared_mem->hec_period);
mfc_write_shared_mem_item(host_wr_addr, P_B_FRAME_QP, shared_mem->P_B_frame_qp);
mfc_write_shared_mem_item(host_wr_addr, METADATA_ENABLE, shared_mem->metadata_enable);
mfc_write_shared_mem_item(host_wr_addr, EXT_METADATA_START_ADDR, shared_mem->ext_metadata_start_addr);
mfc_write_shared_mem_item(host_wr_addr, PUT_EXTRADATA, shared_mem->put_extradata);
mfc_write_shared_mem_item(host_wr_addr, DBG_INFO_INPUT0, shared_mem->dbg_info_input0);
mfc_write_shared_mem_item(host_wr_addr, DBG_INFO_INPUT1, shared_mem->dbg_info_input1);
mfc_write_shared_mem_item(host_wr_addr, ALLOCATED_LUMA_DPB_SIZE, shared_mem->allocated_luma_dpb_size);
mfc_write_shared_mem_item(host_wr_addr, ALLOCATED_CHROMA_DPB_SIZE, shared_mem->allocated_chroma_dpb_size);
mfc_write_shared_mem_item(host_wr_addr, ALLOCATED_MV_SIZE, shared_mem->allocated_mv_size);
mfc_write_shared_mem_item(host_wr_addr, P720_LIMIT_ENABLE, shared_mem->p720_limit_enable);
dmac_flush_range((void *)host_wr_addr, (void *)host_wr_addr + SHARED_MEM_MAX);
#if DEBUG_ENABLE
mfc_print_shared_mem(host_wr_addr);
#endif
}
void mfc_read_shared_mem(unsigned int host_wr_addr, struct mfc_shared_mem *shared_mem)
{
invalidate_kernel_vmap_range((void *)host_wr_addr, SHARED_MEM_MAX);
shared_mem->extended_decode_status = mfc_read_shared_mem_item(host_wr_addr, EXTENEDED_DECODE_STATUS);
shared_mem->get_frame_tag_top = mfc_read_shared_mem_item(host_wr_addr, GET_FRAME_TAG_TOP);
shared_mem->get_frame_tag_bot = mfc_read_shared_mem_item(host_wr_addr, GET_FRAME_TAG_BOT);
shared_mem->pic_time_top = mfc_read_shared_mem_item(host_wr_addr, PIC_TIME_TOP);
shared_mem->pic_time_bot = mfc_read_shared_mem_item(host_wr_addr, PIC_TIME_BOT);
shared_mem->start_byte_num = mfc_read_shared_mem_item(host_wr_addr, START_BYTE_NUM);
shared_mem->dec_frm_size = mfc_read_shared_mem_item(host_wr_addr, DEC_FRM_SIZE);
shared_mem->crop_info1 = mfc_read_shared_mem_item(host_wr_addr, CROP_INFO1);
shared_mem->crop_info2 = mfc_read_shared_mem_item(host_wr_addr, CROP_INFO2);
shared_mem->metadata_status = mfc_read_shared_mem_item(host_wr_addr, METADATA_STATUS);
shared_mem->metadata_display_index = mfc_read_shared_mem_item(host_wr_addr, METADATA_DISPLAY_INDEX);
shared_mem->dbg_info_output0 = mfc_read_shared_mem_item(host_wr_addr, DBG_INFO_OUTPUT0);
shared_mem->dbg_info_output1 = mfc_read_shared_mem_item(host_wr_addr, DBG_INFO_OUTPUT1);
#if DEBUG_ENABLE
mfc_print_shared_mem(host_wr_addr);
#endif
}
void mfc_print_shared_mem(unsigned int host_wr_addr)
{
mfc_info("set_frame_tag = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, SET_FRAME_TAG));
mfc_info("start_byte_num = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, START_BYTE_NUM));
mfc_info("ext_enc_control = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, EXT_ENC_CONTROL));
mfc_info("enc_param_change = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, ENC_PARAM_CHANGE));
mfc_info("vop_timing = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, VOP_TIMING));
mfc_info("hec_period = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, HEC_PERIOD));
mfc_info("p_b_frame_qp = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, P_B_FRAME_QP));
mfc_info("metadata_enable = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, METADATA_ENABLE));
mfc_info("ext_metadata_start_addr= 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, EXT_METADATA_START_ADDR));
mfc_info("put_extradata = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, PUT_EXTRADATA));
mfc_info("dbg_info_input0 = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, DBG_INFO_INPUT0));
mfc_info("dbg_info_input1 = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, DBG_INFO_INPUT1));
mfc_info("luma_dpb_size = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, ALLOCATED_LUMA_DPB_SIZE));
mfc_info("chroma_dpb_size = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, ALLOCATED_CHROMA_DPB_SIZE));
mfc_info("mv_size = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, ALLOCATED_MV_SIZE));
mfc_info("extended_decode_status = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, EXTENEDED_DECODE_STATUS));
mfc_info("get_frame_tag_top = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, GET_FRAME_TAG_TOP));
mfc_info("get_frame_tag_bot = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, GET_FRAME_TAG_BOT));
mfc_info("pic_time_top = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, PIC_TIME_TOP));
mfc_info("pic_time_bot = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, PIC_TIME_BOT));
mfc_info("start_byte_num = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, START_BYTE_NUM));
mfc_info("dec_frm_size = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, DEC_FRM_SIZE));
mfc_info("crop_info1 = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, CROP_INFO1));
mfc_info("crop_info2 = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, CROP_INFO2));
mfc_info("metadata_status = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, METADATA_STATUS));
mfc_info("metadata_display_index = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, METADATA_DISPLAY_INDEX));
mfc_info("dbg_info_output0 = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, DBG_INFO_OUTPUT0));
mfc_info("dbg_info_output1 = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, DBG_INFO_OUTPUT1));
mfc_info("720p_limit_enable = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, P720_LIMIT_ENABLE));
mfc_info("RC_CONTROL_ENABLE = 0x%08x\n", mfc_read_shared_mem_item(host_wr_addr, RC_CONTROL_ENABLE));
}
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