コード例 #1
0
static int jpeg_drv_dec_init(void)
{


    int retValue;
    spin_lock(&jpeg_dec_lock);
    if(dec_status != 0)
    {
        JPEG_WRN("JPEG Decoder is busy\n");
        retValue = -EBUSY;
    }
    else
    {
        dec_status = 1;
        retValue = 0;
    }
    spin_unlock(&jpeg_dec_lock);

    if(retValue == 0)
    {
        jpeg_drv_dec_power_on();

        jpeg_drv_dec_reset();

    }

    return retValue;

}
コード例 #2
0
static void jpeg_drv_dec_deinit(void)
{
    if(dec_status != 0)
    {

        spin_lock(&jpeg_dec_lock);
        dec_status = 0;
        spin_unlock(&jpeg_dec_lock);

        jpeg_drv_dec_reset();

        jpeg_drv_dec_power_off();
    }
}
コード例 #3
0
static void jpeg_drv_dec_deinit(void)
{
    if(dec_status != 0)
    {
#ifndef USE_SYSRAM        
        if(table_buffer_va != 0)
        {
            dma_free_coherent(0, TABLE_SIZE, table_buffer_va, table_buffer_pa);
            table_buffer_va = 0;
        }
#endif
        spin_lock(&jpeg_dec_lock);
        dec_status = 0;
        spin_unlock(&jpeg_dec_lock);
        jpeg_drv_dec_reset();
        jpeg_drv_dec_power_off();
    }
}
コード例 #4
0
static void jpeg_drv_dec_deinit(void)
{
    if(dec_status != 0)
    {
#ifdef USE_SYSRAM 
        if(table_buffer_pa != 0)
        {
            MT6573_SYSRAM_FREE(MT6573SYSRAMUSR_JPGDECODER);
            table_buffer_pa = 0;
        }
#else        
        if(table_buffer_va != 0)
        {
            dma_free_coherent(0, TABLE_SIZE, table_buffer_va, table_buffer_pa);
            table_buffer_va = 0;
        }
#endif
        spin_lock(&jpeg_dec_lock);
        dec_status = 0;
        spin_unlock(&jpeg_dec_lock);
        jpeg_drv_dec_reset();
        jpeg_drv_dec_power_off();
    }
}
コード例 #5
0
static int jpeg_dec_ioctl(unsigned int cmd, unsigned long arg, struct file *file)
{
    unsigned int*       pStatus;
    unsigned int        decResult;
    long timeout_jiff;
    JPEG_DEC_DRV_IN dec_params;
    JPEG_DEC_CONFIG_ROW dec_row_params ;
    unsigned int irq_st = 0;
    //unsigned int timeout = 0x1FFFFF;


    JPEG_DEC_DRV_OUT outParams;

    pStatus = (unsigned int*)file->private_data;

    if (NULL == pStatus)
    {
        JPEG_MSG("[JPEGDRV]JPEG Decoder: Private data is null in flush operation. SOME THING WRONG??\n");
        return -EFAULT;
    }
    switch(cmd)
    {
    // initial and reset JPEG encoder
    case JPEG_DEC_IOCTL_INIT:   /* OT:OK */
        JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Init!!\n");
        if(jpeg_drv_dec_init() == 0)
        {
            *pStatus = JPEG_DEC_PROCESS;
        }
        break;

    case JPEG_DEC_IOCTL_RESET:  /* OT:OK */
        JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Reset!!\n");
        jpeg_drv_dec_reset();
        break;

    case JPEG_DEC_IOCTL_CONFIG:
        JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Configration!!\n");
        if(*pStatus != JPEG_DEC_PROCESS)
        {
            JPEG_MSG("[JPEGDRV]Permission Denied! This process can not access decoder\n");
            return -EFAULT;
        }
        if(dec_status == 0)
        {
            JPEG_MSG("[JPEGDRV]JPEG Decoder is unlocked!!");
            *pStatus = 0;
            return -EFAULT;
        }
        if(copy_from_user(&dec_params, (void *)arg, sizeof(JPEG_DEC_DRV_IN)))
        {
            JPEG_MSG("[JPEGDRV]JPEG Decoder : Copy from user error\n");
            return -EFAULT;
        }
        //_jpeg_dec_dump_reg_en = dec_params.regDecDumpEn;
        if(dec_params.decodeMode == JPEG_DEC_MODE_MCU_ROW)
            _jpeg_dec_mode = 1;
        else
            _jpeg_dec_mode = 0;

        if (jpeg_drv_dec_set_config_data(&dec_params) < 0)
            return -EFAULT;

        break;

    case JPEG_DEC_IOCTL_RESUME:
        if(*pStatus != JPEG_DEC_PROCESS)
        {
            JPEG_MSG("[JPEGDRV]Permission Denied! This process can not access decoder\n");
            return -EFAULT;
        }
        if(dec_status == 0)
        {
            JPEG_MSG("[JPEGDRV]JPEG Decoder is unlocked!!");
            *pStatus = 0;
            return -EFAULT;
        }
        if(copy_from_user(&dec_row_params, (void *)arg, sizeof(JPEG_DEC_CONFIG_ROW)))
        {
            JPEG_MSG("[JPEGDRV]JPEG Decoder : Copy from user error\n");
            return -EFAULT;
        }

        JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Resume, [%d] %x %x %x !!\n", dec_row_params.pauseMCU -1,dec_row_params.decRowBuf[0], dec_row_params.decRowBuf[1], dec_row_params.decRowBuf[2]);

        jpeg_drv_dec_set_dst_bank0( dec_row_params.decRowBuf[0], dec_row_params.decRowBuf[1], dec_row_params.decRowBuf[2]);

        jpeg_drv_dec_set_pause_mcu_idx(dec_row_params.pauseMCU -1) ;

        jpeg_drv_dec_resume(BIT_INQST_MASK_PAUSE);

        break;



    case JPEG_DEC_IOCTL_START:    /* OT:OK */
        JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Start!!\n");

        //Debug: printk("0xF0: 0x%08x\n", *(volatile unsigned int*)(JPEG_DEC_BASE + 0xF0));

        jpeg_drv_dec_start();
        break;

    case JPEG_DEC_IOCTL_WAIT:



        if(*pStatus != JPEG_DEC_PROCESS)
        {
            JPEG_WRN("Permission Denied! This process can not access decoder");
            return -EFAULT;
        }
        if(dec_status == 0)
        {
            JPEG_WRN("Decoder status is available, HOW COULD THIS HAPPEN ??");
            *pStatus = 0;
            return -EFAULT;
        }
        if(copy_from_user(&outParams, (void *)arg, sizeof(JPEG_DEC_DRV_OUT)))
        {
            JPEG_WRN("JPEG Decoder : Copy from user error\n");
            return -EFAULT;
        }

        //set timeout
        timeout_jiff = outParams.timeout* HZ / 1000;
        //JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Wait Resume Time Jiffies : %ld\n", timeout_jiff);
#ifdef FPGA_VERSION
//#if 1

        JPEG_MSG("[JPEGDRV]Polling JPEG Status");

        do
        {
            _jpeg_dec_int_status = REG_JPGDEC_INTERRUPT_STATUS;
        } while(_jpeg_dec_int_status == 0);
#else

        //if(outParams.timeout >= 5000){
        //
        //  JPEG_MSG("Polling JPEG Status");
        //  do
        //  {
        //      _jpeg_dec_int_status = REG_JPGDEC_INTERRUPT_STATUS;
        //     timeout--;
        //  } while(_jpeg_dec_int_status == 0 && timeout != 0);
        //  if(timeout == 0) JPEG_MSG("Polling JPEG Status TIMEOUT!!\n");
        //}else
        if(jpeg_isr_dec_lisr()<0) {
            //JPEG_MSG("wait JPEG irq\n");
            wait_event_interruptible_timeout(dec_wait_queue, _jpeg_dec_int_status, timeout_jiff);
            JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Enter IRQ Wait Done!!\n");
            //printk("[JPEGDRV]wait JPEG irq done\n");
        } else {
            JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Enter IRQ Wait Already Done!!\n");
            //printk("[JPEGDRV]JPEG decoder already done\n");
        }
#endif

        decResult = jpeg_drv_dec_get_result();

        //jpeg_drv_dec_dump_key_reg();

        if(decResult >= 2)
        {
            JPEG_MSG("[JPEGDRV]Decode Result : %d, status %x!\n", decResult, _jpeg_dec_int_status );
            jpeg_drv_dec_dump_key_reg();
            //jpeg_drv_dec_dump_reg();
            jpeg_drv_dec_reset();
        }
        irq_st = _jpeg_dec_int_status ;
        decResult = decResult | (irq_st<<8) ;
        _jpeg_dec_int_status = 0;
        if(copy_to_user(outParams.result, &decResult, sizeof(unsigned int)))
        {
            JPEG_WRN("JPEG Decoder : Copy to user error (result)\n");
            return -EFAULT;
        }

        break;


    case JPEG_DEC_IOCTL_BREAK:
        if (jpeg_drv_dec_break() < 0)
            return -EFAULT;
        break;

    case JPEG_DEC_IOCTL_DUMP_REG:
        JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder DUMP REGISTER !!\n");
        jpeg_drv_dec_dump_reg();
        break;


    case JPEG_DEC_IOCTL_DEINIT:
        JPEG_MSG("[JPEGDRV][IOCTL] JPEG Decoder Deinit !!\n");
        // copy input parameters
        if(*pStatus != JPEG_DEC_PROCESS)
        {
            JPEG_ERR("Permission Denied! This process can not access encoder");
            return -EFAULT;
        }

        if(dec_status == 0)
        {
            JPEG_ERR("Encoder status is available, HOW COULD THIS HAPPEN ??");
            *pStatus = 0;
            return -EFAULT;
        }
        jpeg_drv_dec_deinit();
        *pStatus = 0;
        break;
#ifdef FOR_COMPILE
    case JPEG_DEC_IOCTL_RW_REG: /* OT:OK */
        jpeg_drv_dec_rw_reg();
        break;
#endif
    default:
        JPEG_ERR("JPEG DEC IOCTL NO THIS COMMAND\n");
        break;
    }
    return 0;
}
コード例 #6
0
static int jpeg_dec_ioctl(unsigned int cmd, unsigned long arg, struct file *file)
{
    int retValue;
    unsigned int decResult, i;
    long timeout_jiff;
    JPEG_DEC_DRV_IN inParams;
    JPEG_DEC_DRV_OUT outParams;

    unsigned int *pStatus;
    unsigned int samplingFormat;
    unsigned int check_dec_addr = 0;
    unsigned int check_end_addr = 0;	
    
    pStatus = (unsigned int*)file->private_data;

    if(NULL == pStatus)
    {
        JPEG_WRN("Private data is null in flush operation. HOW COULD THIS HAPPEN ??\n");
        return -EFAULT;
    }
    
    switch(cmd)
    {
        case JPEG_DEC_IOCTL_INIT:
            JPEG_MSG("JPEG Decoder Initial and Lock\n");

            retValue = jpeg_drv_dec_init();
            if(retValue != 0)
            {
                return -EBUSY;   
            }  

            dec_src_va = 0;
            dec_src_pa = 0;
            table_buffer_va = 0;
            table_buffer_pa = 0;

            *pStatus = JPEG_DEC_PROCESS;
            
            break;
            
        case JPEG_DEC_IOCTL_CONFIG:
            JPEG_MSG("JPEG Decoder Configure Hardware\n");

            if(*pStatus != JPEG_DEC_PROCESS)
            {
                JPEG_WRN("Permission Denied! This process can not access decoder");
                return -EFAULT;
            }

            if(dec_status == 0)
            {
                JPEG_WRN("Decoder status is available, HOW COULD THIS HAPPEN ??");
                *pStatus = 0;
                return -EFAULT;
            }
            // copy input parameters
            if(copy_from_user(&inParams, (void *)arg, sizeof(JPEG_DEC_DRV_IN)))
            {
                JPEG_WRN("JPEG Decoder : Copy from user error\n");
                return -EFAULT;
            }

            JPEG_MSG("JPEG Decoder src addr : 0x%x\n", inParams.srcStreamAddr);
            JPEG_MSG("JPEG Decoder src Size : %d\n", inParams.srcStreamSize); 
            JPEG_MSG("JPEG Decoder src format : %d\n", inParams.samplingFormat);
            JPEG_MSG("JPEG Decoder mcu row : %d\n", inParams.mcuRow);
            JPEG_MSG("JPEG Decoder mcu column : %d\n", inParams.mcuColumn);
            
            dec_src_size = inParams.srcStreamSize;
            //now_size = inParams.srcStreamSize;

            dec_src_va = 0;
            dec_src_pa = inParams.srcStreamAddr;
                       
            // 0. reset    
            jpeg_drv_dec_reset();

            // 1. set source address
            jpeg_drv_dec_set_file_buffer(dec_src_pa , dec_src_size);

            // 2. set table address
#ifdef USE_SYSRAM
            //table_buffer_pa = alloc_internal_sram(INTERNAL_SRAM_JPEG_DECODER, 4096, 2048);
            //table_buffer_pa = MTxxx_SYSRAM_ALLOC(ESysramUser_JPEG_CODEC, TABLE_SIZE, 2048);
            table_buffer_pa = inParams.table_addr;
#else
            table_buffer_va = dma_alloc_coherent(0, TABLE_SIZE, &table_buffer_pa, GFP_KERNEL);
#endif

            if(table_buffer_pa == 0)
            {
                JPEG_WRN("JPEG Decoder : table pa == 0!!!\n");
                return -EFAULT;
            }
            jpeg_drv_dec_set_table_address(table_buffer_pa);

            // 3. set sampling factor
            samplingFormat = inParams.samplingFormat;
            if(samplingFormat == 422 && inParams.vSamplingFactor[0] == 2)
            {
                samplingFormat = 421;
            }
            if(1 != jpeg_drv_dec_set_sampling_factor_related(samplingFormat))
            {
                JPEG_WRN("JPEG Decoder : Sampling Factor Unsupported!!!\n");
                return -EFAULT;
            }

            // 4. set component id
            if(inParams.componentNum == 1)
            {
                jpeg_drv_dec_set_component_id(inParams.componentID[0], 0, 0);
            }
            else
            {
                jpeg_drv_dec_set_component_id(inParams.componentID[0], inParams.componentID[1], inParams.componentID[2]);
            }
            
            // 5. set tatal mcu number
            jpeg_drv_dec_set_total_mcu(inParams.mcuRow * inParams.mcuColumn);

            // set mcu number per row
            //jpeg_drv_dec_set_mcu_per_row();

            // 6. set each DU
            for(i = 0 ; i < inParams.componentNum ; i++)
            {
                jpeg_drv_dec_set_du(i, inParams.totalDU[i], inParams.dummyDU[i], inParams.duPerMCURow[i]);
            }
            
            // 7. set file size
            jpeg_drv_dec_set_file_size(dec_src_size + 16);

            // 8. set Q-table id
            if(inParams.componentNum == 1)
            {
                jpeg_drv_dec_set_q_table_id(inParams.qTableSelector[0], 0, 0);
            }
            else
            {
                jpeg_drv_dec_set_q_table_id(inParams.qTableSelector[0], inParams.qTableSelector[1], inParams.qTableSelector[2]);
            }

            break;
        
        case JPEG_DEC_IOCTL_START:
            // copy input parameters
            JPEG_MSG("JPEG Decoder : JPEG_DEC_IOCTL_START\n");

            if(*pStatus != JPEG_DEC_PROCESS)
            {
                JPEG_WRN("Permission Denied! This process can not access decoder");
                return -EFAULT;
            }
            if(dec_status == 0)
            {
                JPEG_WRN("Decoder status is available, HOW COULD THIS HAPPEN ??");
                *pStatus = 0;
                return -EFAULT;
            }
//            jpeg_reg_dump();
            jpeg_drv_dec_start();

            return 0;
            
            
        case JPEG_DEC_IOCTL_WAIT:
            if(*pStatus != JPEG_DEC_PROCESS)
            {
                JPEG_WRN("Permission Denied! This process can not access decoder");
                return -EFAULT;
            }
            if(dec_status == 0)
            {
                JPEG_WRN("Decoder status is available, HOW COULD THIS HAPPEN ??");
                *pStatus = 0;
                return -EFAULT;
            }           
            if(copy_from_user(&outParams, (void *)arg, sizeof(JPEG_DEC_DRV_OUT)))
            {
                JPEG_WRN("JPEG Decoder : Copy from user error\n");
                return -EFAULT;
            }

            //set timeout
            timeout_jiff = outParams.timeout* HZ / 1000;
            JPEG_MSG("JPEG Decoder Time Jiffies : %ld\n", timeout_jiff);   
#ifdef FPGA_VERSION
            JPEG_MSG("Polling JPEG Status");

            do
            {
                _jpeg_dec_int_status = REG_JPEG_DEC_INTERRUPT_STATUS;
            } while(_jpeg_dec_int_status == 0);
#else
            wait_event_interruptible_timeout(dec_wait_queue, _jpeg_dec_int_status, timeout_jiff);
#endif
            
            decResult = jpeg_drv_dec_get_result();
            _jpeg_dec_int_status = 0;

#ifndef USE_SYSRAM    
            if(table_buffer_va != 0)
            {
                dma_free_coherent(0, TABLE_SIZE, table_buffer_va, table_buffer_pa);
                table_buffer_va = 0;
            }
#endif


#if 1
            check_dec_addr = ioread32(JPG_CODEC_BASE + 0x00);
            check_end_addr = ioread32(JPG_CODEC_BASE + 0x4C);
#endif

            JPEG_MSG("Decode Result : %d, dec_addr %x, f_s %x!\n", decResult, check_dec_addr, check_end_addr);
            if(decResult != 0)
            {
                jpeg_reg_dump();
            }
            if(copy_to_user(outParams.result, &decResult, sizeof(unsigned int)))
            {
                JPEG_WRN("JPEG Decoder : Copy to user error (result)\n");
                return -EFAULT;            
            }
            break;
            
        case JPEG_DEC_IOCTL_DEINIT:
            // copy input parameters
            if(*pStatus != JPEG_DEC_PROCESS)
            {
                JPEG_WRN("Permission Denied! This process can not access decoder");
                return -EFAULT;
            }
            if(dec_status == 0)
            {
                JPEG_WRN("Decoder status is available, HOW COULD THIS HAPPEN ??");
                *pStatus = 0;
                return -EFAULT;
            }
            jpeg_drv_dec_deinit();
            *pStatus = 0;
            
            break;
    }
    return 0;
}