/*
* Samsung S5P Multi Format Codec v 5.1
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* Kamil Debski, <k.debski@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/videodev2.h>
#include <media/v4l2-event.h>
#include <linux/workqueue.h>
#include <media/videobuf2-core.h>
#include "regs-mfc.h"
#include "s5p_mfc_ctrl.h"
#include "s5p_mfc_debug.h"
#include "s5p_mfc_dec.h"
#include "s5p_mfc_enc.h"
#include "s5p_mfc_intr.h"
#include "s5p_mfc_opr.h"
#include "s5p_mfc_pm.h"
#include "s5p_mfc_shm.h"
#define S5P_MFC_NAME "s5p-mfc"
#define S5P_MFC_DEC_NAME "s5p-mfc-dec"
#define S5P_MFC_ENC_NAME "s5p-mfc-enc"
int debug;
module_param(debug, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug level - higher value produces more verbose messages");
/* Helper functions for interrupt processing */
/* Remove from hw execution round robin */
void clear_work_bit(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
spin_lock(&dev->condlock);
__clear_bit(ctx->num, &dev->ctx_work_bits);
spin_unlock(&dev->condlock);
}
/* Add to hw execution round robin */
void set_work_bit(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
spin_lock(&dev->condlock);
__set_bit(ctx->num, &dev->ctx_work_bits);
spin_unlock(&dev->condlock);
}
/* Remove from hw execution round robin */
void clear_work_bit_irqsave(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned long flags;
spin_lock_irqsave(&dev->condlock, flags);
__clear_bit(ctx->num, &dev->ctx_work_bits);
spin_unlock_irqrestore(&dev->condlock, flags);
}
/* Add to hw execution round robin */
void set_work_bit_irqsave(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned long flags;
spin_lock_irqsave(&dev->condlock, flags);
__set_bit(ctx->num, &dev->ctx_work_bits);
spin_unlock_irqrestore(&dev->condlock, flags);
}
/* Wake up context wait_queue */
static void wake_up_ctx(struct s5p_mfc_ctx *ctx, unsigned int reason,
unsigned int err)
{
