12 #include <linux/rpmsg.h>
44 	struct fsl_rpmsg *rpmsg = snd_soc_dai_get_drvdata(dai);  in fsl_rpmsg_hw_params()  local
45 	struct clk *p = rpmsg->mclk, *pll = NULL, *npll = NULL;  in fsl_rpmsg_hw_params()
50 	while (p && rpmsg->pll8k && rpmsg->pll11k) {  in fsl_rpmsg_hw_params()
53 		if (clk_is_match(pp, rpmsg->pll8k) ||  in fsl_rpmsg_hw_params()
54 		    clk_is_match(pp, rpmsg->pll11k)) {  in fsl_rpmsg_hw_params()
63 		npll = (do_div(rate, 8000) ? rpmsg->pll11k : rpmsg->pll8k);  in fsl_rpmsg_hw_params()
72 	if (!(rpmsg->mclk_streams & BIT(substream->stream))) {  in fsl_rpmsg_hw_params()
73 		ret = clk_prepare_enable(rpmsg->mclk);  in fsl_rpmsg_hw_params()
79 		rpmsg->mclk_streams |= BIT(substream->stream);  in fsl_rpmsg_hw_params()
88 	struct fsl_rpmsg *rpmsg = snd_soc_dai_get_drvdata(dai);  in fsl_rpmsg_hw_free()  local
90 	if (rpmsg->mclk_streams & BIT(substream->stream)) {  in fsl_rpmsg_hw_free()
91 		clk_disable_unprepare(rpmsg->mclk);  in fsl_rpmsg_hw_free()
92 		rpmsg->mclk_streams &= ~BIT(substream->stream);  in fsl_rpmsg_hw_free()
138 	.name           = "fsl-rpmsg",
142 	{ .compatible = "fsl,imx7ulp-rpmsg-audio"},
143 	{ .compatible = "fsl,imx8mm-rpmsg-audio"},
144 	{ .compatible = "fsl,imx8mn-rpmsg-audio"},
145 	{ .compatible = "fsl,imx8mp-rpmsg-audio"},
153 	struct fsl_rpmsg *rpmsg;  in fsl_rpmsg_probe()  local
156 	rpmsg = devm_kzalloc(&pdev->dev, sizeof(struct fsl_rpmsg), GFP_KERNEL);  in fsl_rpmsg_probe()
157 	if (!rpmsg)  in fsl_rpmsg_probe()
161 		rpmsg->enable_lpa = 1;  in fsl_rpmsg_probe()
162 		rpmsg->buffer_size = LPA_LARGE_BUFFER_SIZE;  in fsl_rpmsg_probe()
164 		rpmsg->buffer_size = IMX_DEFAULT_DMABUF_SIZE;  in fsl_rpmsg_probe()
168 	rpmsg->ipg = devm_clk_get_optional(&pdev->dev, "ipg");  in fsl_rpmsg_probe()
169 	if (IS_ERR(rpmsg->ipg))  in fsl_rpmsg_probe()
170 		return PTR_ERR(rpmsg->ipg);  in fsl_rpmsg_probe()
172 	rpmsg->mclk = devm_clk_get_optional(&pdev->dev, "mclk");  in fsl_rpmsg_probe()
173 	if (IS_ERR(rpmsg->mclk))  in fsl_rpmsg_probe()
174 		return PTR_ERR(rpmsg->mclk);  in fsl_rpmsg_probe()
176 	rpmsg->dma = devm_clk_get_optional(&pdev->dev, "dma");  in fsl_rpmsg_probe()
177 	if (IS_ERR(rpmsg->dma))  in fsl_rpmsg_probe()
178 		return PTR_ERR(rpmsg->dma);  in fsl_rpmsg_probe()
180 	rpmsg->pll8k = devm_clk_get_optional(&pdev->dev, "pll8k");  in fsl_rpmsg_probe()
181 	if (IS_ERR(rpmsg->pll8k))  in fsl_rpmsg_probe()
182 		return PTR_ERR(rpmsg->pll8k);  in fsl_rpmsg_probe()
184 	rpmsg->pll11k = devm_clk_get_optional(&pdev->dev, "pll11k");  in fsl_rpmsg_probe()
185 	if (IS_ERR(rpmsg->pll11k))  in fsl_rpmsg_probe()
186 		return PTR_ERR(rpmsg->pll11k);  in fsl_rpmsg_probe()
188 	platform_set_drvdata(pdev, rpmsg);  in fsl_rpmsg_probe()
196 	rpmsg->card_pdev = platform_device_register_data(&pdev->dev,  in fsl_rpmsg_probe()
197 							 "imx-audio-rpmsg",  in fsl_rpmsg_probe()
201 	if (IS_ERR(rpmsg->card_pdev)) {  in fsl_rpmsg_probe()
202 		dev_err(&pdev->dev, "failed to register rpmsg card\n");  in fsl_rpmsg_probe()
203 		ret = PTR_ERR(rpmsg->card_pdev);  in fsl_rpmsg_probe()
212 	struct fsl_rpmsg *rpmsg = platform_get_drvdata(pdev);  in fsl_rpmsg_remove()  local
214 	if (rpmsg->card_pdev)  in fsl_rpmsg_remove()
215 		platform_device_unregister(rpmsg->card_pdev);  in fsl_rpmsg_remove()
223 	struct fsl_rpmsg *rpmsg = dev_get_drvdata(dev);  in fsl_rpmsg_runtime_resume()  local
226 	ret = clk_prepare_enable(rpmsg->ipg);  in fsl_rpmsg_runtime_resume()
232 	ret = clk_prepare_enable(rpmsg->dma);  in fsl_rpmsg_runtime_resume()
241 	clk_disable_unprepare(rpmsg->ipg);  in fsl_rpmsg_runtime_resume()
248 	struct fsl_rpmsg *rpmsg = dev_get_drvdata(dev);  in fsl_rpmsg_runtime_suspend()  local
250 	clk_disable_unprepare(rpmsg->dma);  in fsl_rpmsg_runtime_suspend()
251 	clk_disable_unprepare(rpmsg->ipg);  in fsl_rpmsg_runtime_suspend()