189 static int ipu_prg_get_pre(struct ipu_prg *prg, int prg_chan)  in ipu_prg_get_pre()  argument
194 	if (prg_chan == 0) {  in ipu_prg_get_pre()
198 		prg->chan[prg_chan].used_pre = 0;  in ipu_prg_get_pre()
208 			prg->chan[prg_chan].used_pre = i;  in ipu_prg_get_pre()
212 			mux = (prg->id << 1) | (prg_chan - 1);  in ipu_prg_get_pre()
230 	dev_err(prg->dev, "could not get PRE for PRG chan %d", prg_chan);  in ipu_prg_get_pre()
234 static void ipu_prg_put_pre(struct ipu_prg *prg, int prg_chan)  in ipu_prg_put_pre()  argument
236 	struct ipu_prg_channel *chan = &prg->chan[prg_chan];  in ipu_prg_put_pre()
244 	int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num);  in ipu_prg_channel_disable()  local
249 	if (prg_chan < 0)  in ipu_prg_channel_disable()
252 	chan = &prg->chan[prg_chan];  in ipu_prg_channel_disable()
259 	val |= IPU_PRG_CTL_BYPASS(prg_chan);  in ipu_prg_channel_disable()
267 	ipu_prg_put_pre(prg, prg_chan);  in ipu_prg_channel_disable()
278 	int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num);  in ipu_prg_channel_configure()  local
284 	if (prg_chan < 0)  in ipu_prg_channel_configure()
285 		return prg_chan;  in ipu_prg_channel_configure()
287 	chan = &prg->chan[prg_chan];  in ipu_prg_channel_configure()
294 	ret = ipu_prg_get_pre(prg, prg_chan);  in ipu_prg_channel_configure()
305 	writel(val, prg->regs + IPU_PRG_STRIDE(prg_chan));  in ipu_prg_channel_configure()
311 	writel(val, prg->regs + IPU_PRG_HEIGHT(prg_chan));  in ipu_prg_channel_configure()
315 	writel(val, prg->regs + IPU_PRG_BADDR(prg_chan));  in ipu_prg_channel_configure()
320 		 IPU_PRG_CTL_SOFT_ARID_SHIFT(prg_chan));  in ipu_prg_channel_configure()
321 	val |= IPU_PRG_CTL_SOFT_ARID(prg_chan, axi_id);  in ipu_prg_channel_configure()
323 	val &= ~IPU_PRG_CTL_BYPASS(prg_chan);  in ipu_prg_channel_configure()
331 			   (val & IPU_PRG_STATUS_BUFFER0_READY(prg_chan)) &&  in ipu_prg_channel_configure()
332 			   (val & IPU_PRG_STATUS_BUFFER1_READY(prg_chan)),  in ipu_prg_channel_configure()
344 	int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num);  in ipu_prg_channel_configure_pending()  local
348 	if (prg_chan < 0)  in ipu_prg_channel_configure_pending()
351 	chan = &prg->chan[prg_chan];  in ipu_prg_channel_configure_pending()