char/ipmi/ipmi_si_parisc.c

0001 // SPDX-License-Identifier: GPL-2.0+
0002
0003 #include <linux/module.h>
0004 #include <asm/hardware.h>   /* for register_parisc_driver() stuff */
0005 #include <asm/parisc-device.h>
0006 #include "ipmi_si.h"
0007
0008 static bool parisc_registered;
0009
0010 static int __init ipmi_parisc_probe(struct parisc_device *dev)
0011 {
0012     struct si_sm_io io;
0013
0014     memset(&io, 0, sizeof(io));
0015
0016     io.si_type  = SI_KCS;
0017     io.addr_source  = SI_DEVICETREE;
0018     io.addr_space   = IPMI_MEM_ADDR_SPACE;
0019     io.addr_data    = dev->hpa.start;
0020     io.regsize  = 1;
0021     io.regspacing   = 1;
0022     io.regshift = 0;
0023     io.irq      = 0; /* no interrupt */
0024     io.irq_setup    = NULL;
0025     io.dev      = &dev->dev;
0026
0027     dev_dbg(&dev->dev, "addr 0x%lx\n", io.addr_data);
0028
0029     return ipmi_si_add_smi(&io);
0030 }
0031
0032 static void __exit ipmi_parisc_remove(struct parisc_device *dev)
0033 {
0034     ipmi_si_remove_by_dev(&dev->dev);
0035 }
0036
0037 static const struct parisc_device_id ipmi_parisc_tbl[] __initconst = {
0038     { HPHW_MC, HVERSION_REV_ANY_ID, 0x004, 0xC0 },
0039     { 0, }
0040 };
0041
0042 MODULE_DEVICE_TABLE(parisc, ipmi_parisc_tbl);
0043
0044 static struct parisc_driver ipmi_parisc_driver __refdata = {
0045     .name =     "ipmi",
0046     .id_table = ipmi_parisc_tbl,
0047     .probe =    ipmi_parisc_probe,
0048     .remove =   __exit_p(ipmi_parisc_remove),
0049 };
0050
0051 void ipmi_si_parisc_init(void)
0052 {
0053     register_parisc_driver(&ipmi_parisc_driver);
0054     parisc_registered = true;
0055 }
0056
0057 void ipmi_si_parisc_shutdown(void)
0058 {
0059     if (parisc_registered)
0060         unregister_parisc_driver(&ipmi_parisc_driver);
0061 }