C++ (Cpp) fimc_hw_set_scaler Exemples

Exemple #1

Fichier : fimc-reg.c Projet : CSCLOG/beaglebone

void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
{
	struct fimc_dev *dev = ctx->fimc_dev;
	struct samsung_fimc_variant *variant = dev->variant;
	struct fimc_scaler *sc = &ctx->scaler;
	u32 cfg;

	dbg("main_hratio= 0x%X  main_vratio= 0x%X",
		sc->main_hratio, sc->main_vratio);

	fimc_hw_set_scaler(ctx);

	cfg = readl(dev->regs + S5P_CISCCTRL);

	if (variant->has_mainscaler_ext) {
		cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
		cfg |= S5P_CISCCTRL_MHRATIO_EXT(sc->main_hratio);
		cfg |= S5P_CISCCTRL_MVRATIO_EXT(sc->main_vratio);
		writel(cfg, dev->regs + S5P_CISCCTRL);

		cfg = readl(dev->regs + S5P_CIEXTEN);

		cfg &= ~(S5P_CIEXTEN_MVRATIO_EXT_MASK |
			 S5P_CIEXTEN_MHRATIO_EXT_MASK);
		cfg |= S5P_CIEXTEN_MHRATIO_EXT(sc->main_hratio);
		cfg |= S5P_CIEXTEN_MVRATIO_EXT(sc->main_vratio);
		writel(cfg, dev->regs + S5P_CIEXTEN);
	} else {
		cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
		cfg |= S5P_CISCCTRL_MHRATIO(sc->main_hratio);
		cfg |= S5P_CISCCTRL_MVRATIO(sc->main_vratio);
		writel(cfg, dev->regs + S5P_CISCCTRL);
	}
}

Exemple #2

Fichier : fimc-capture.c Projet : mita/linux-2.6

static int fimc_cap_streamon(struct file *file, void *priv,
			   enum v4l2_buf_type type)
{
	struct s3c_fimc_isp_info *isp_info;
	struct fimc_ctx *ctx = priv;
	struct fimc_dev *fimc = ctx->fimc_dev;
	int ret = -EBUSY;

	if (mutex_lock_interruptible(&fimc->lock))
		return -ERESTARTSYS;

	if (fimc_capture_active(fimc) || !fimc->vid_cap.sd)
		goto s_unlock;

	if (!(ctx->state & FIMC_DST_FMT)) {
		v4l2_err(&fimc->vid_cap.v4l2_dev, "Format is not set\n");
		ret = -EINVAL;
		goto s_unlock;
	}

	ret = v4l2_subdev_call(fimc->vid_cap.sd, video, s_stream, 1);
	if (ret && ret != -ENOIOCTLCMD)
		goto s_unlock;

	ret = fimc_prepare_config(ctx, ctx->state);
	if (ret)
		goto s_unlock;

	isp_info = fimc->pdata->isp_info[fimc->vid_cap.input_index];
	fimc_hw_set_camera_type(fimc, isp_info);
	fimc_hw_set_camera_source(fimc, isp_info);
	fimc_hw_set_camera_offset(fimc, &ctx->s_frame);

	if (ctx->state & FIMC_PARAMS) {
		ret = fimc_set_scaler_info(ctx);
		if (ret) {
			err("Scaler setup error");
			goto s_unlock;
		}
		fimc_hw_set_input_path(ctx);
		fimc_hw_set_scaler(ctx);
		fimc_hw_set_target_format(ctx);
		fimc_hw_set_rotation(ctx);
		fimc_hw_set_effect(ctx);
	}

	fimc_hw_set_output_path(ctx);
	fimc_hw_set_out_dma(ctx);

	INIT_LIST_HEAD(&fimc->vid_cap.pending_buf_q);
	INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q);
	fimc->vid_cap.active_buf_cnt = 0;
	fimc->vid_cap.frame_count = 0;

	set_bit(ST_CAPT_PEND, &fimc->state);
	ret = videobuf_streamon(&fimc->vid_cap.vbq);

s_unlock:
	mutex_unlock(&fimc->lock);
	return ret;
}