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path: root/drivers/char/ipmi/ipmi_dmi.c
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Diffstat (limited to 'drivers/char/ipmi/ipmi_dmi.c')
-rw-r--r--drivers/char/ipmi/ipmi_dmi.c139
1 files changed, 33 insertions, 106 deletions
diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c
index 249880457b17..ff0b199be472 100644
--- a/drivers/char/ipmi/ipmi_dmi.c
+++ b/drivers/char/ipmi/ipmi_dmi.c
@@ -14,6 +14,7 @@
#include <linux/property.h>
#include "ipmi_si_sm.h"
#include "ipmi_dmi.h"
+#include "ipmi_plat_data.h"
#define IPMI_DMI_TYPE_KCS 0x01
#define IPMI_DMI_TYPE_SMIC 0x02
@@ -22,7 +23,7 @@
struct ipmi_dmi_info {
enum si_type si_type;
- u32 flags;
+ unsigned int space; /* addr space for si, intf# for ssif */
unsigned long addr;
u8 slave_addr;
struct ipmi_dmi_info *next;
@@ -33,133 +34,60 @@ static struct ipmi_dmi_info *ipmi_dmi_infos;
static int ipmi_dmi_nr __initdata;
static void __init dmi_add_platform_ipmi(unsigned long base_addr,
- u32 flags,
+ unsigned int space,
u8 slave_addr,
int irq,
int offset,
int type)
{
- struct platform_device *pdev;
- struct resource r[4];
- unsigned int num_r = 1, size;
- struct property_entry p[5];
- unsigned int pidx = 0;
- char *name;
- int rv;
- enum si_type si_type;
+ const char *name;
struct ipmi_dmi_info *info;
+ struct ipmi_plat_data p;
- memset(p, 0, sizeof(p));
+ memset(&p, 0, sizeof(p));
name = "dmi-ipmi-si";
switch (type) {
case IPMI_DMI_TYPE_SSIF:
name = "dmi-ipmi-ssif";
- offset = 1;
- size = 1;
- si_type = SI_TYPE_INVALID;
+ p.type = SI_TYPE_INVALID;
break;
case IPMI_DMI_TYPE_BT:
- size = 3;
- si_type = SI_BT;
+ p.type = SI_BT;
break;
case IPMI_DMI_TYPE_KCS:
- size = 2;
- si_type = SI_KCS;
+ p.type = SI_KCS;
break;
case IPMI_DMI_TYPE_SMIC:
- size = 2;
- si_type = SI_SMIC;
+ p.type = SI_SMIC;
break;
default:
pr_err("Invalid IPMI type: %d\n", type);
return;
}
- if (si_type != SI_TYPE_INVALID)
- p[pidx++] = PROPERTY_ENTRY_U8("ipmi-type", si_type);
-
- p[pidx++] = PROPERTY_ENTRY_U8("slave-addr", slave_addr);
- p[pidx++] = PROPERTY_ENTRY_U8("addr-source", SI_SMBIOS);
+ memset(&p, 0, sizeof(p));
+ p.addr = base_addr;
+ p.space = space;
+ p.regspacing = offset;
+ p.irq = irq;
+ p.slave_addr = slave_addr;
+ p.addr_source = SI_SMBIOS;
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
pr_warn("Could not allocate dmi info\n");
} else {
- info->si_type = si_type;
- info->flags = flags;
+ info->si_type = p.type;
+ info->space = space;
info->addr = base_addr;
info->slave_addr = slave_addr;
info->next = ipmi_dmi_infos;
ipmi_dmi_infos = info;
}
- pdev = platform_device_alloc(name, ipmi_dmi_nr);
- if (!pdev) {
- pr_err("Error allocation IPMI platform device\n");
- return;
- }
-
- if (type == IPMI_DMI_TYPE_SSIF) {
- p[pidx++] = PROPERTY_ENTRY_U16("i2c-addr", base_addr);
- goto add_properties;
- }
-
- memset(r, 0, sizeof(r));
-
- r[0].start = base_addr;
- r[0].end = r[0].start + offset - 1;
- r[0].name = "IPMI Address 1";
- r[0].flags = flags;
-
- if (size > 1) {
- r[1].start = r[0].start + offset;
- r[1].end = r[1].start + offset - 1;
- r[1].name = "IPMI Address 2";
- r[1].flags = flags;
- num_r++;
- }
-
- if (size > 2) {
- r[2].start = r[1].start + offset;
- r[2].end = r[2].start + offset - 1;
- r[2].name = "IPMI Address 3";
- r[2].flags = flags;
- num_r++;
- }
-
- if (irq) {
- r[num_r].start = irq;
- r[num_r].end = irq;
- r[num_r].name = "IPMI IRQ";
- r[num_r].flags = IORESOURCE_IRQ;
- num_r++;
- }
-
- rv = platform_device_add_resources(pdev, r, num_r);
- if (rv) {
- dev_err(&pdev->dev, "Unable to add resources: %d\n", rv);
- goto err;
- }
-
-add_properties:
- rv = platform_device_add_properties(pdev, p);
- if (rv) {
- dev_err(&pdev->dev, "Unable to add properties: %d\n", rv);
- goto err;
- }
-
- rv = platform_device_add(pdev);
- if (rv) {
- dev_err(&pdev->dev, "Unable to add device: %d\n", rv);
- goto err;
- }
-
- ipmi_dmi_nr++;
- return;
-
-err:
- platform_device_put(pdev);
+ if (ipmi_platform_add(name, ipmi_dmi_nr, &p))
+ ipmi_dmi_nr++;
}
/*
@@ -169,14 +97,14 @@ err:
* This function allows an ACPI-specified IPMI device to look up the
* slave address from the DMI table.
*/
-int ipmi_dmi_get_slave_addr(enum si_type si_type, u32 flags,
+int ipmi_dmi_get_slave_addr(enum si_type si_type, unsigned int space,
unsigned long base_addr)
{
struct ipmi_dmi_info *info = ipmi_dmi_infos;
while (info) {
if (info->si_type == si_type &&
- info->flags == flags &&
+ info->space == space &&
info->addr == base_addr)
return info->slave_addr;
info = info->next;
@@ -197,13 +125,13 @@ EXPORT_SYMBOL(ipmi_dmi_get_slave_addr);
static void __init dmi_decode_ipmi(const struct dmi_header *dm)
{
- const u8 *data = (const u8 *) dm;
- u32 flags = IORESOURCE_IO;
- unsigned long base_addr;
- u8 len = dm->length;
- u8 slave_addr;
- int irq = 0, offset;
- int type;
+ const u8 *data = (const u8 *) dm;
+ int space = IPMI_IO_ADDR_SPACE;
+ unsigned long base_addr;
+ u8 len = dm->length;
+ u8 slave_addr;
+ int irq = 0, offset = 0;
+ int type;
if (len < DMI_IPMI_MIN_LENGTH)
return;
@@ -218,8 +146,7 @@ static void __init dmi_decode_ipmi(const struct dmi_header *dm)
}
if (len >= DMI_IPMI_VER2_LENGTH) {
if (type == IPMI_DMI_TYPE_SSIF) {
- offset = 0;
- flags = 0;
+ space = 0; /* Match I2C interface 0. */
base_addr = data[DMI_IPMI_ADDR] >> 1;
if (base_addr == 0) {
/*
@@ -236,7 +163,7 @@ static void __init dmi_decode_ipmi(const struct dmi_header *dm)
base_addr &= DMI_IPMI_IO_MASK;
} else {
/* Memory */
- flags = IORESOURCE_MEM;
+ space = IPMI_MEM_ADDR_SPACE;
}
/*
@@ -280,7 +207,7 @@ static void __init dmi_decode_ipmi(const struct dmi_header *dm)
offset = 1;
}
- dmi_add_platform_ipmi(base_addr, flags, slave_addr, irq,
+ dmi_add_platform_ipmi(base_addr, space, slave_addr, irq,
offset, type);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.