1 // SPDX-License-Identifier: GPL-2.0+
56 /* For GPE-type interrupts. */
62 	ipmi_si_irq_handler(io->irq, io->irq_handler_data);  in ipmi_acpi_gpe()
68 	if (!io->irq)  in acpi_gpe_irq_cleanup()
72 	acpi_remove_gpe_handler(NULL, io->irq, &ipmi_acpi_gpe);  in acpi_gpe_irq_cleanup()
79 	if (!io->irq)  in acpi_gpe_irq_setup()
83 					  io->irq,  in acpi_gpe_irq_setup()
88 		dev_warn(io->dev,  in acpi_gpe_irq_setup()
90 			 io->irq);  in acpi_gpe_irq_setup()
91 		io->irq = 0;  in acpi_gpe_irq_setup()
92 		return -EINVAL;  in acpi_gpe_irq_setup()
95 	io->irq_cleanup = acpi_gpe_irq_cleanup;  in acpi_gpe_irq_setup()
97 	dev_info(io->dev, "Using ACPI GPE %d\n", io->irq);  in acpi_gpe_irq_setup()
105 		io->addr_space = IPMI_IO_ADDR_SPACE;  in ipmi_set_addr_data_and_space()
107 		io->addr_space = IPMI_MEM_ADDR_SPACE;  in ipmi_set_addr_data_and_space()
108 	io->addr_data = r->start;  in ipmi_set_addr_data_and_space()
119 		dev_err(&pdev->dev, "no I/O or memory address\n");  in ipmi_get_info_from_resources()
124 	io->regspacing = DEFAULT_REGSPACING;  in ipmi_get_info_from_resources()
127 		if (res_second->start > io->addr_data)  in ipmi_get_info_from_resources()
128 			io->regspacing = res_second->start - io->addr_data;  in ipmi_get_info_from_resources()
140 	rv = device_property_read_u8(&pdev->dev, "addr-source", &addr_source);  in platform_ipmi_probe()
144 		return -EINVAL;  in platform_ipmi_probe()
148 			return -ENODEV;  in platform_ipmi_probe()
151 			return -ENODEV;  in platform_ipmi_probe()
154 	rv = device_property_read_u8(&pdev->dev, "ipmi-type", &type);  in platform_ipmi_probe()
156 		return -ENODEV;  in platform_ipmi_probe()
160 	dev_info(&pdev->dev, "probing via %s\n",  in platform_ipmi_probe()
170 		return -ENODEV;  in platform_ipmi_probe()
172 		dev_err(&pdev->dev, "ipmi-type property is invalid\n");  in platform_ipmi_probe()
173 		return -EINVAL;  in platform_ipmi_probe()
177 	rv = device_property_read_u8(&pdev->dev, "reg-size", &regsize);  in platform_ipmi_probe()
182 	rv = device_property_read_u8(&pdev->dev, "reg-shift", &regshift);  in platform_ipmi_probe()
187 		return -EINVAL;  in platform_ipmi_probe()
189 	rv = device_property_read_u8(&pdev->dev, "slave-addr", &slave_addr);  in platform_ipmi_probe()
201 	io.dev = &pdev->dev;  in platform_ipmi_probe()
203 	pr_info("ipmi_si: %s: %s %#lx regsize %d spacing %d irq %d\n",  in platform_ipmi_probe()
215 	{ .type = "ipmi", .compatible = "ipmi-kcs",
217 	{ .type = "ipmi", .compatible = "ipmi-smic",
219 	{ .type = "ipmi", .compatible = "ipmi-bt",
231 	struct device_node *np = pdev->dev.of_node;  in of_ipmi_probe()
236 		return -ENODEV;  in of_ipmi_probe()
238 	dev_info(&pdev->dev, "probing via device tree\n");  in of_ipmi_probe()
240 	match = of_match_device(of_ipmi_match, &pdev->dev);  in of_ipmi_probe()
242 		return -ENODEV;  in of_ipmi_probe()
245 		return -EINVAL;  in of_ipmi_probe()
249 		dev_warn(&pdev->dev, "invalid address from OF\n");  in of_ipmi_probe()
253 	regsize = of_get_property(np, "reg-size", &proplen);  in of_ipmi_probe()
255 		dev_warn(&pdev->dev, "invalid regsize from OF\n");  in of_ipmi_probe()
256 		return -EINVAL;  in of_ipmi_probe()
259 	regspacing = of_get_property(np, "reg-spacing", &proplen);  in of_ipmi_probe()
261 		dev_warn(&pdev->dev, "invalid regspacing from OF\n");  in of_ipmi_probe()
262 		return -EINVAL;  in of_ipmi_probe()
265 	regshift = of_get_property(np, "reg-shift", &proplen);  in of_ipmi_probe()
267 		dev_warn(&pdev->dev, "invalid regshift from OF\n");  in of_ipmi_probe()
268 		return -EINVAL;  in of_ipmi_probe()
272 	io.si_type	= (enum si_type) match->data;  in of_ipmi_probe()
282 	io.irq		= irq_of_parse_and_map(pdev->dev.of_node, 0);  in of_ipmi_probe()
283 	io.dev		= &pdev->dev;  in of_ipmi_probe()
285 	dev_dbg(&pdev->dev, "addr 0x%lx regsize %d spacing %d irq %d\n",  in of_ipmi_probe()
294 	return -ENODEV;  in of_ipmi_probe()
303 		slave_addr = ipmi_dmi_get_slave_addr(io->si_type,  in find_slave_address()
304 						     io->addr_space,  in find_slave_address()
305 						     io->addr_data);  in find_slave_address()
313 	struct device *dev = &pdev->dev;  in acpi_ipmi_probe()
321 		return -ENODEV;  in acpi_ipmi_probe()
325 		return -ENODEV;  in acpi_ipmi_probe()
337 		return -EINVAL;  in acpi_ipmi_probe()
351 		return -ENODEV;  in acpi_ipmi_probe()
354 		return -EINVAL;  in acpi_ipmi_probe()
363 		return -EINVAL;  in acpi_ipmi_probe()
381 	dev_info(dev, "%pR regsize %d spacing %d irq %d\n",  in acpi_ipmi_probe()
397 	return -ENODEV;  in acpi_ipmi_probe()
403 	if (pdev->dev.of_node && of_ipmi_probe(pdev) == 0)  in ipmi_probe()
414 	ipmi_si_remove_by_dev(&pdev->dev);  in ipmi_remove()
424 	return strcmp(pdev->name, name) == 0;  in pdev_match_name()
441 	{ "dmi-ipmi-si", 0 },
442 	{ "hardcode-ipmi-si", 0 },
443 	{ "hotmod-ipmi-si", 0 },