1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
11  * Generic PCI interface for ACP device
16 #include <linux/pci.h>
22 #include "../mach-config.h"
33 	if (chip && chip->acp_hw_ops && chip->acp_hw_ops->irq)  in irq_handler()
34 		return chip->acp_hw_ops->irq(irq, chip);  in irq_handler()
47 	pdevinfo->name = name;  in acp_fill_platform_dev_info()
48 	pdevinfo->id = id;  in acp_fill_platform_dev_info()
49 	pdevinfo->parent = parent;  in acp_fill_platform_dev_info()
50 	pdevinfo->num_res = num_res;  in acp_fill_platform_dev_info()
51 	pdevinfo->res = res;  in acp_fill_platform_dev_info()
52 	pdevinfo->data = data;  in acp_fill_platform_dev_info()
53 	pdevinfo->size_data = size_data;  in acp_fill_platform_dev_info()
54 	pdevinfo->fwnode = fw_node;  in acp_fill_platform_dev_info()
57 static int create_acp_platform_devs(struct pci_dev *pci, struct acp_chip_info *chip, u32 addr)  in create_acp_platform_devs()  argument
63 	parent = &pci->dev;  in create_acp_platform_devs()
65 	if (chip->is_i2s_config || chip->is_pdm_dev) {  in create_acp_platform_devs()
66 		chip->res = devm_kzalloc(&pci->dev, sizeof(struct resource), GFP_KERNEL);  in create_acp_platform_devs()
67 		if (!chip->res) {  in create_acp_platform_devs()
68 			ret = -ENOMEM;  in create_acp_platform_devs()
71 		chip->res->flags = IORESOURCE_MEM;  in create_acp_platform_devs()
72 		chip->res->start = addr;  in create_acp_platform_devs()
73 		chip->res->end = addr + (ACP3x_REG_END - ACP3x_REG_START);  in create_acp_platform_devs()
78 	acp_fill_platform_dev_info(&pdevinfo, parent, NULL, chip->name,  in create_acp_platform_devs()
79 				   0, chip->res, 1, chip, sizeof(*chip));  in create_acp_platform_devs()
81 	chip->acp_plat_dev = platform_device_register_full(&pdevinfo);  in create_acp_platform_devs()
82 	if (IS_ERR(chip->acp_plat_dev)) {  in create_acp_platform_devs()
83 		dev_err(&pci->dev,  in create_acp_platform_devs()
85 		ret = PTR_ERR(chip->acp_plat_dev);  in create_acp_platform_devs()
88 	if (chip->is_pdm_dev && chip->is_pdm_config) {  in create_acp_platform_devs()
89 		chip->dmic_codec_dev = platform_device_register_data(&pci->dev,  in create_acp_platform_devs()
90 								     "dmic-codec",  in create_acp_platform_devs()
93 		if (IS_ERR(chip->dmic_codec_dev)) {  in create_acp_platform_devs()
94 			dev_err(&pci->dev, "failed to create DMIC device\n");  in create_acp_platform_devs()
95 			ret = PTR_ERR(chip->dmic_codec_dev);  in create_acp_platform_devs()
101 	platform_device_unregister(chip->acp_plat_dev);  in create_acp_platform_devs()
106 static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)  in acp_pci_probe()  argument
108 	struct device *dev = &pci->dev;  in acp_pci_probe()  local
113 	flag = snd_amd_acp_find_config(pci);  in acp_pci_probe()
115 		return -ENODEV;  in acp_pci_probe()
117 	chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);  in acp_pci_probe()
119 		return -ENOMEM;  in acp_pci_probe()
121 	if (pci_enable_device(pci))  in acp_pci_probe()
122 		return dev_err_probe(&pci->dev, -ENODEV,  in acp_pci_probe()
125 	ret = pci_request_regions(pci, "AMD ACP3x audio");  in acp_pci_probe()
127 		dev_err(&pci->dev, "pci_request_regions failed\n");  in acp_pci_probe()
128 		ret = -ENOMEM;  in acp_pci_probe()
132 	pci_set_master(pci);  in acp_pci_probe()
134 	chip->acp_rev = pci->revision;  in acp_pci_probe()
135 	switch (pci->revision) {  in acp_pci_probe()
137 		chip->name = "acp_asoc_renoir";  in acp_pci_probe()
138 		chip->rsrc = &rn_rsrc;  in acp_pci_probe()
139 		chip->acp_hw_ops_init = acp31_hw_ops_init;  in acp_pci_probe()
140 		chip->machines = snd_soc_acpi_amd_acp_machines;  in acp_pci_probe()
143 		chip->name = "acp_asoc_rembrandt";  in acp_pci_probe()
144 		chip->rsrc = &rmb_rsrc;  in acp_pci_probe()
145 		chip->acp_hw_ops_init = acp6x_hw_ops_init;  in acp_pci_probe()
146 		chip->machines = snd_soc_acpi_amd_rmb_acp_machines;  in acp_pci_probe()
149 		chip->name = "acp_asoc_acp63";  in acp_pci_probe()
150 		chip->rsrc = &acp63_rsrc;  in acp_pci_probe()
151 		chip->acp_hw_ops_init = acp63_hw_ops_init;  in acp_pci_probe()
152 		chip->machines = snd_soc_acpi_amd_acp63_acp_machines;  in acp_pci_probe()
157 		chip->name = "acp_asoc_acp70";  in acp_pci_probe()
158 		chip->rsrc = &acp70_rsrc;  in acp_pci_probe()
159 		chip->acp_hw_ops_init = acp70_hw_ops_init;  in acp_pci_probe()
160 		chip->machines = snd_soc_acpi_amd_acp70_acp_machines;  in acp_pci_probe()
163 		dev_err(dev, "Unsupported device revision:0x%x\n", pci->revision);  in acp_pci_probe()
164 		ret = -EINVAL;  in acp_pci_probe()
167 	chip->flag = flag;  in acp_pci_probe()
169 	addr = pci_resource_start(pci, 0);  in acp_pci_probe()
170 	chip->base = devm_ioremap(&pci->dev, addr, pci_resource_len(pci, 0));  in acp_pci_probe()
171 	if (!chip->base) {  in acp_pci_probe()
172 		ret = -ENOMEM;  in acp_pci_probe()
176 	chip->addr = addr;  in acp_pci_probe()
178 	chip->acp_hw_ops_init(chip);  in acp_pci_probe()
183 	ret = devm_request_irq(dev, pci->irq, irq_handler,  in acp_pci_probe()
186 		dev_err(&pci->dev, "ACP I2S IRQ request failed %d\n", ret);  in acp_pci_probe()
190 	check_acp_config(pci, chip);  in acp_pci_probe()
191 	if (!chip->is_pdm_dev && !chip->is_i2s_config)  in acp_pci_probe()
194 	ret = create_acp_platform_devs(pci, chip, addr);  in acp_pci_probe()
196 		dev_err(&pci->dev, "ACP platform devices creation failed\n");  in acp_pci_probe()
200 	chip->chip_pdev = chip->acp_plat_dev;  in acp_pci_probe()
201 	chip->dev = &chip->acp_plat_dev->dev;  in acp_pci_probe()
205 	INIT_LIST_HEAD(&chip->stream_list);  in acp_pci_probe()
206 	spin_lock_init(&chip->acp_lock);  in acp_pci_probe()
208 	dev_set_drvdata(&pci->dev, chip);  in acp_pci_probe()
209 	pm_runtime_set_autosuspend_delay(&pci->dev, 2000);  in acp_pci_probe()
210 	pm_runtime_use_autosuspend(&pci->dev);  in acp_pci_probe()
211 	pm_runtime_put_noidle(&pci->dev);  in acp_pci_probe()
212 	pm_runtime_allow(&pci->dev);  in acp_pci_probe()
218 	pci_release_regions(pci);  in acp_pci_probe()
220 	pci_disable_device(pci);  in acp_pci_probe()
225 static int snd_acp_suspend(struct device *dev)  in snd_acp_suspend()  argument
230 	chip = dev_get_drvdata(dev);  in snd_acp_suspend()
233 		dev_err(dev, "ACP de-init failed\n");  in snd_acp_suspend()
237 static int snd_acp_resume(struct device *dev)  in snd_acp_resume()  argument
242 	chip = dev_get_drvdata(dev);  in snd_acp_resume()
245 		dev_err(dev, "ACP init failed\n");  in snd_acp_resume()
249 		dev_err(dev, "ACP en-interrupts failed\n");  in snd_acp_resume()
259 static void acp_pci_remove(struct pci_dev *pci)  in acp_pci_remove()  argument
264 	chip = pci_get_drvdata(pci);  in acp_pci_remove()
265 	pm_runtime_forbid(&pci->dev);  in acp_pci_remove()
266 	pm_runtime_get_noresume(&pci->dev);  in acp_pci_remove()
267 	if (chip->dmic_codec_dev)  in acp_pci_remove()
268 		platform_device_unregister(chip->dmic_codec_dev);  in acp_pci_remove()
269 	if (chip->acp_plat_dev)  in acp_pci_remove()
270 		platform_device_unregister(chip->acp_plat_dev);  in acp_pci_remove()
271 	if (chip->mach_dev)  in acp_pci_remove()
272 		platform_device_unregister(chip->mach_dev);  in acp_pci_remove()
276 		dev_err(&pci->dev, "ACP de-init failed\n");  in acp_pci_remove()
279 /* PCI IDs */
284 MODULE_DEVICE_TABLE(pci, acp_pci_ids);
298 MODULE_DESCRIPTION("AMD ACP common PCI support");