1// SPDX-License-Identifier: GPL-2.0+
2
3#include <linux/module.h>
4#include <asm/hardware.h>	/* for register_parisc_driver() stuff */
5#include <asm/parisc-device.h>
6#include "ipmi_si.h"
7
8static bool parisc_registered;
9
10static int __init ipmi_parisc_probe(struct parisc_device *dev)
11{
12	struct si_sm_io io;
13
14	memset(&io, 0, sizeof(io));
15
16	io.si_type	= SI_KCS;
17	io.addr_source	= SI_DEVICETREE;
18	io.addr_space	= IPMI_MEM_ADDR_SPACE;
19	io.addr_data	= dev->hpa.start;
20	io.regsize	= 1;
21	io.regspacing	= 1;
22	io.regshift	= 0;
23	io.irq		= 0; /* no interrupt */
24	io.irq_setup	= NULL;
25	io.dev		= &dev->dev;
26
27	dev_dbg(&dev->dev, "addr 0x%lx\n", io.addr_data);
28
29	return ipmi_si_add_smi(&io);
30}
31
32static void __exit ipmi_parisc_remove(struct parisc_device *dev)
33{
34	ipmi_si_remove_by_dev(&dev->dev);
35}
36
37static const struct parisc_device_id ipmi_parisc_tbl[] __initconst = {
38	{ HPHW_MC, HVERSION_REV_ANY_ID, 0x004, 0xC0 },
39	{ 0, }
40};
41
42MODULE_DEVICE_TABLE(parisc, ipmi_parisc_tbl);
43
44static struct parisc_driver ipmi_parisc_driver __refdata = {
45	.name =		"ipmi",
46	.id_table =	ipmi_parisc_tbl,
47	.probe =	ipmi_parisc_probe,
48	.remove =	__exit_p(ipmi_parisc_remove),
49};
50
51void ipmi_si_parisc_init(void)
52{
53	register_parisc_driver(&ipmi_parisc_driver);
54	parisc_registered = true;
55}
56
57void ipmi_si_parisc_shutdown(void)
58{
59	if (parisc_registered)
60		unregister_parisc_driver(&ipmi_parisc_driver);
61}
62