1 // SPDX-License-Identifier: GPL-2.0+
3  * AMD RPL ACP PCI Driver
8 #include <linux/pci.h>
40 	return -ETIMEDOUT;  in rpl_power_on()
64 	return -ETIMEDOUT;  in rpl_reset()
103 static int snd_rpl_probe(struct pci_dev *pci,  in snd_rpl_probe()  argument
111 	switch (pci->revision) {  in snd_rpl_probe()
115 		dev_dbg(&pci->dev, "acp6x pci device not found\n");  in snd_rpl_probe()
116 		return -ENODEV;  in snd_rpl_probe()
118 	if (pci_enable_device(pci)) {  in snd_rpl_probe()
119 		dev_err(&pci->dev, "pci_enable_device failed\n");  in snd_rpl_probe()
120 		return -ENODEV;  in snd_rpl_probe()
123 	ret = pci_request_regions(pci, "AMD ACP6x audio");  in snd_rpl_probe()
125 		dev_err(&pci->dev, "pci_request_regions failed\n");  in snd_rpl_probe()
129 	adata = devm_kzalloc(&pci->dev, sizeof(struct rpl_dev_data),  in snd_rpl_probe()
132 		ret = -ENOMEM;  in snd_rpl_probe()
136 	addr = pci_resource_start(pci, 0);  in snd_rpl_probe()
137 	adata->acp6x_base = devm_ioremap(&pci->dev, addr,  in snd_rpl_probe()
138 					 pci_resource_len(pci, 0));  in snd_rpl_probe()
139 	if (!adata->acp6x_base) {  in snd_rpl_probe()
140 		ret = -ENOMEM;  in snd_rpl_probe()
143 	pci_set_master(pci);  in snd_rpl_probe()
144 	pci_set_drvdata(pci, adata);  in snd_rpl_probe()
145 	ret = rpl_init(adata->acp6x_base);  in snd_rpl_probe()
148 	pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);  in snd_rpl_probe()
149 	pm_runtime_use_autosuspend(&pci->dev);  in snd_rpl_probe()
150 	pm_runtime_put_noidle(&pci->dev);  in snd_rpl_probe()
151 	pm_runtime_allow(&pci->dev);  in snd_rpl_probe()
155 	pci_release_regions(pci);  in snd_rpl_probe()
157 	pci_disable_device(pci);  in snd_rpl_probe()
162 static int __maybe_unused snd_rpl_suspend(struct device *dev)  in snd_rpl_suspend()  argument
167 	adata = dev_get_drvdata(dev);  in snd_rpl_suspend()
168 	ret = rpl_deinit(adata->acp6x_base);  in snd_rpl_suspend()
170 		dev_err(dev, "ACP de-init failed\n");  in snd_rpl_suspend()
174 static int __maybe_unused snd_rpl_resume(struct device *dev)  in snd_rpl_resume()  argument
179 	adata = dev_get_drvdata(dev);  in snd_rpl_resume()
180 	ret = rpl_init(adata->acp6x_base);  in snd_rpl_resume()
182 		dev_err(dev, "ACP init failed\n");  in snd_rpl_resume()
191 static void snd_rpl_remove(struct pci_dev *pci)  in snd_rpl_remove()  argument
196 	adata = pci_get_drvdata(pci);  in snd_rpl_remove()
197 	ret = rpl_deinit(adata->acp6x_base);  in snd_rpl_remove()
199 		dev_err(&pci->dev, "ACP de-init failed\n");  in snd_rpl_remove()
200 	pm_runtime_forbid(&pci->dev);  in snd_rpl_remove()
201 	pm_runtime_get_noresume(&pci->dev);  in snd_rpl_remove()
202 	pci_release_regions(pci);  in snd_rpl_remove()
203 	pci_disable_device(pci);  in snd_rpl_remove()
212 MODULE_DEVICE_TABLE(pci, snd_rpl_ids);
226 MODULE_DESCRIPTION("AMD ACP RPL PCI driver");