97 	struct ipu_prg *prg;  in ipu_prg_lookup_by_phandle()  local
100 	list_for_each_entry(prg, &ipu_prg_list, list) {  in ipu_prg_lookup_by_phandle()
101 		if (prg_node == prg->dev->of_node) {  in ipu_prg_lookup_by_phandle()
103 			device_link_add(dev, prg->dev,  in ipu_prg_lookup_by_phandle()
105 			prg->id = ipu_id;  in ipu_prg_lookup_by_phandle()
107 			return prg;  in ipu_prg_lookup_by_phandle()
153 	struct ipu_prg *prg = ipu->prg_priv;  in ipu_prg_enable()  local
155 	if (!prg)  in ipu_prg_enable()
158 	return pm_runtime_get_sync(prg->dev);  in ipu_prg_enable()
164 	struct ipu_prg *prg = ipu->prg_priv;  in ipu_prg_disable()  local
166 	if (!prg)  in ipu_prg_disable()
169 	pm_runtime_put(prg->dev);  in ipu_prg_disable()
197 static int ipu_prg_get_pre(struct ipu_prg *prg, int prg_chan)  in ipu_prg_get_pre()  argument
203 		ret = ipu_pre_get(prg->pres[0]);  in ipu_prg_get_pre()
206 		prg->chan[prg_chan].used_pre = 0;  in ipu_prg_get_pre()
211 		ret = ipu_pre_get(prg->pres[i]);  in ipu_prg_get_pre()
216 			prg->chan[prg_chan].used_pre = i;  in ipu_prg_get_pre()
220 			mux = (prg->id << 1) | (prg_chan - 1);  in ipu_prg_get_pre()
221 			regmap_update_bits(prg->iomuxc_gpr, IOMUXC_GPR5,  in ipu_prg_get_pre()
226 			regmap_read(prg->iomuxc_gpr, IOMUXC_GPR5, &val);  in ipu_prg_get_pre()
228 				regmap_update_bits(prg->iomuxc_gpr, IOMUXC_GPR5,  in ipu_prg_get_pre()
238 	dev_err(prg->dev, "could not get PRE for PRG chan %d", prg_chan);  in ipu_prg_get_pre()
242 static void ipu_prg_put_pre(struct ipu_prg *prg, int prg_chan)  in ipu_prg_put_pre()  argument
244 	struct ipu_prg_channel *chan = &prg->chan[prg_chan];  in ipu_prg_put_pre()
246 	ipu_pre_put(prg->pres[chan->used_pre]);  in ipu_prg_put_pre()
253 	struct ipu_prg *prg = ipu_chan->ipu->prg_priv;  in ipu_prg_channel_disable()  local
260 	chan = &prg->chan[prg_chan];  in ipu_prg_channel_disable()
264 	pm_runtime_get_sync(prg->dev);  in ipu_prg_channel_disable()
266 	val = readl(prg->regs + IPU_PRG_CTL);  in ipu_prg_channel_disable()
268 	writel(val, prg->regs + IPU_PRG_CTL);  in ipu_prg_channel_disable()
271 	writel(val, prg->regs + IPU_PRG_REG_UPDATE);  in ipu_prg_channel_disable()
273 	pm_runtime_put(prg->dev);  in ipu_prg_channel_disable()
275 	ipu_prg_put_pre(prg, prg_chan);  in ipu_prg_channel_disable()
287 	struct ipu_prg *prg = ipu_chan->ipu->prg_priv;  in ipu_prg_channel_configure()  local
295 	chan = &prg->chan[prg_chan];  in ipu_prg_channel_configure()
298 		ipu_pre_update(prg->pres[chan->used_pre], *eba);  in ipu_prg_channel_configure()
302 	ret = ipu_prg_get_pre(prg, prg_chan);  in ipu_prg_channel_configure()
306 	ipu_pre_configure(prg->pres[chan->used_pre],  in ipu_prg_channel_configure()
310 	pm_runtime_get_sync(prg->dev);  in ipu_prg_channel_configure()
313 	writel(val, prg->regs + IPU_PRG_STRIDE(prg_chan));  in ipu_prg_channel_configure()
319 	writel(val, prg->regs + IPU_PRG_HEIGHT(prg_chan));  in ipu_prg_channel_configure()
321 	val = ipu_pre_get_baddr(prg->pres[chan->used_pre]);  in ipu_prg_channel_configure()
323 	writel(val, prg->regs + IPU_PRG_BADDR(prg_chan));  in ipu_prg_channel_configure()
325 	val = readl(prg->regs + IPU_PRG_CTL);  in ipu_prg_channel_configure()
332 	writel(val, prg->regs + IPU_PRG_CTL);  in ipu_prg_channel_configure()
335 	writel(val, prg->regs + IPU_PRG_REG_UPDATE);  in ipu_prg_channel_configure()
338 	readl_poll_timeout(prg->regs + IPU_PRG_STATUS, val,  in ipu_prg_channel_configure()
343 	pm_runtime_put(prg->dev);  in ipu_prg_channel_configure()
354 	struct ipu_prg *prg;  in ipu_prg_probe()  local
358 	prg = devm_kzalloc(dev, sizeof(*prg), GFP_KERNEL);  in ipu_prg_probe()
359 	if (!prg)  in ipu_prg_probe()
363 	prg->regs = devm_ioremap_resource(&pdev->dev, res);  in ipu_prg_probe()
364 	if (IS_ERR(prg->regs))  in ipu_prg_probe()
365 		return PTR_ERR(prg->regs);  in ipu_prg_probe()
368 	prg->clk_ipg = devm_clk_get(dev, "ipg");  in ipu_prg_probe()
369 	if (IS_ERR(prg->clk_ipg))  in ipu_prg_probe()
370 		return PTR_ERR(prg->clk_ipg);  in ipu_prg_probe()
372 	prg->clk_axi = devm_clk_get(dev, "axi");  in ipu_prg_probe()
373 	if (IS_ERR(prg->clk_axi))  in ipu_prg_probe()
374 		return PTR_ERR(prg->clk_axi);  in ipu_prg_probe()
376 	prg->iomuxc_gpr =  in ipu_prg_probe()
378 	if (IS_ERR(prg->iomuxc_gpr))  in ipu_prg_probe()
379 		return PTR_ERR(prg->iomuxc_gpr);  in ipu_prg_probe()
382 		prg->pres[i] = ipu_pre_lookup_by_phandle(dev, "fsl,pres", i);  in ipu_prg_probe()
383 		if (!prg->pres[i])  in ipu_prg_probe()
387 	ret = clk_prepare_enable(prg->clk_ipg);  in ipu_prg_probe()
391 	ret = clk_prepare_enable(prg->clk_axi);  in ipu_prg_probe()
393 		clk_disable_unprepare(prg->clk_ipg);  in ipu_prg_probe()
398 	val = readl(prg->regs + IPU_PRG_CTL);  in ipu_prg_probe()
400 	writel(val, prg->regs + IPU_PRG_CTL);  in ipu_prg_probe()
403 	writel(0xffffffff, prg->regs + IPU_PRG_THD);  in ipu_prg_probe()
408 	prg->dev = dev;  in ipu_prg_probe()
409 	platform_set_drvdata(pdev, prg);  in ipu_prg_probe()
411 	list_add(&prg->list, &ipu_prg_list);  in ipu_prg_probe()
419 	struct ipu_prg *prg = platform_get_drvdata(pdev);  in ipu_prg_remove()  local
422 	list_del(&prg->list);  in ipu_prg_remove()
431 	struct ipu_prg *prg = dev_get_drvdata(dev);  in prg_suspend()  local
433 	clk_disable_unprepare(prg->clk_axi);  in prg_suspend()
434 	clk_disable_unprepare(prg->clk_ipg);  in prg_suspend()
441 	struct ipu_prg *prg = dev_get_drvdata(dev);  in prg_resume()  local
444 	ret = clk_prepare_enable(prg->clk_ipg);  in prg_resume()
448 	ret = clk_prepare_enable(prg->clk_axi);  in prg_resume()
450 		clk_disable_unprepare(prg->clk_ipg);  in prg_resume()