コード例 #1
0
ファイル: jpeg-core.c プロジェクト: zydroid/kernel-g9208-s6
static irqreturn_t jpeg_irq_handler(int irq, void *priv)
{
    unsigned int int_status;
    struct jpeg_dev *jpeg = priv;

    spin_lock(&jpeg->slock);

    int_status = jpeg_get_int_status(jpeg->regs);

    jpeg_clean_interrupt(jpeg->regs);
    clear_bit(DEV_RUN, &jpeg->state);

    if (int_status & 0x2) {
        if (jpeg->oneshot_dev) {
            struct m2m1shot_task *task =
                m2m1shot_get_current_task(jpeg->oneshot_dev);
            task->task.buf_cap.plane[0].len =
                jpeg_get_stream_size(jpeg->regs);
            m2m1shot_task_finish(jpeg->oneshot_dev, task, true);
        }
    } else {
        dev_err(jpeg->dev, "JPEG ERROR Interrupt (%#x) is triggered\n",
                int_status);
        jpeg_show_sfr_status(jpeg->regs);
        exynos_sysmmu_show_status(jpeg->dev);
    }

    spin_unlock(&jpeg->slock);

    return IRQ_HANDLED;
}
コード例 #2
0
int jpeg_exe_enc(struct jpeg_control *ctrl)
{

	jpeg_start_encode(ctrl->reg_base);

	if (interruptible_sleep_on_timeout(&ctrl->wq, INT_TIMEOUT) == 0)
		jpeg_err("waiting for interrupt is timeout\n");

	if (ctrl->irq_ret != OK_ENC_OR_DEC) {
		jpeg_err("jpeg encode error(%d)\n", ctrl->irq_ret);
		return -1;
	}

	ctrl->enc_param.size = jpeg_get_stream_size(ctrl->reg_base);

	return 0;
}