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/*
* Copyright (C) 2012 Spreadtrum Communications Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*/
#ifndef __GSP_DRV_COMMON_H__
#define __GSP_DRV_COMMON_H__
#include <linux/semaphore.h>
#include <linux/types.h>
#include <linux/miscdevice.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
//#include "gsp_drv.h"
#define GSP_MAX_USER 8
#define GSP_ERR_RECORD_CNT 8
#define MEM_OPS_ADDR_ALIGN_MASK (0x7UL)
//#define GSP_DEBUG
#ifdef GSP_DEBUG
#define GSP_TRACE printk
#else
#define GSP_TRACE pr_debug
#endif
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#endif
typedef struct _gsp_perf_data
{
unsigned long gsp_perf_cnt ;
unsigned long long gsp_perf_s ;
unsigned long long gsp_perf_ns;
unsigned long gsp_perf;
} gsp_perf_data_t;
#define INVALID_USER_ID 0xFFFFFFFF
typedef struct _gsp_user_data
{
pid_t pid;
uint32_t is_exit_force;// if the client process hungup on IOCTL-wait-finish, this variable mark it should wakeup and return anyway
struct semaphore sem_open;// one thread can open device once per time
void *priv;
} gsp_user;
typedef struct _gsp_context
{
struct miscdevice dev;
uint32_t gsp_irq_num;
struct clk *gsp_emc_clk;
struct clk *gsp_clk;
struct semaphore gsp_hw_resource_sem;//cnt == 1,only one thread can access critical section at the same time
struct semaphore gsp_wait_interrupt_sem;// init to 0, gsp done/timeout/client discard release sem
volatile uint32_t suspend_resume_flag;
#ifdef CONFIG_HAS_EARLYSUSPEND
struct early_suspend earlysuspend;
#endif
uint32_t cache_coef_init_flag;
ulong gsp_coef_force_calc;
gsp_user gsp_user_array[GSP_MAX_USER];
volatile pid_t gsp_cur_client_pid;
GSP_CONFIG_INFO_T gsp_cfg;//protect by gsp_hw_resource_sem
GSP_REG_T gsp_reg_err_record[GSP_ERR_RECORD_CNT];
uint32_t gsp_reg_err_record_rp;
uint32_t gsp_reg_err_record_wp;
} gsp_context_t;
//extern gsp_context_t *gsp_ctx;
#ifdef CONFIG_OF
extern ulong g_gsp_base_addr ;
extern ulong g_gsp_mmu_ctrl_addr ;
#endif
/*
uint32_t get_gsp_base_addr(gsp_drv_data_t *gspDrvdata)
{
return gspDrvdata->gsp_base_addr;
}
*/
#endif
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