We still need to figure out exactly what each of different fields
represent, but they contain at least model and version informations.
Signed-off-by: Corentin Chary <corentincj@xxxxxxxxxx>
---
drivers/platform/x86/samsung-laptop.c | 42 +++++++++++++++++++++++++++++++++
1 files changed, 42 insertions(+), 0 deletions(-)
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 5e8bca1..487a1f0 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -303,6 +303,7 @@ struct samsung_laptop_debug {
struct debugfs_blob_wrapper f0000_wrapper;
struct debugfs_blob_wrapper data_wrapper;
+ struct debugfs_blob_wrapper sdiag_wrapper;
};
struct samsung_laptop;
@@ -337,6 +338,8 @@ struct samsung_laptop {
bool handle_backlight;
bool has_stepping_quirk;
+
+ char sdiag[64];
};
@@ -1164,6 +1167,9 @@ static int samsung_debugfs_init(struct samsung_laptop *samsung)
samsung->debug.data_wrapper.data = &samsung->debug.data;
samsung->debug.data_wrapper.size = sizeof(samsung->debug.data);
+ samsung->debug.sdiag_wrapper.data = samsung->sdiag;
+ samsung->debug.sdiag_wrapper.size = strlen(samsung->sdiag);
+
dent = debugfs_create_u16("command", S_IRUGO | S_IWUSR,
samsung->debug.root, &samsung->debug.command);
if (!dent)
@@ -1207,6 +1213,12 @@ static int samsung_debugfs_init(struct samsung_laptop *samsung)
if (!dent)
goto error_debugfs;
+ dent = debugfs_create_blob("sdiag", S_IRUGO | S_IWUSR,
+ samsung->debug.root,
+ &samsung->debug.sdiag_wrapper);
+ if (!dent)
+ goto error_debugfs;
+
return 0;
error_debugfs:
@@ -1259,6 +1271,34 @@ static __init void samsung_sabi_infos(struct samsung_laptop *samsung, int loca,
printk(KERN_DEBUG " SABI pointer = 0x%08x\n", ifaceP);
}
+static void __init samsung_sabi_diag(struct samsung_laptop *samsung)
+{
+ int loca = find_signature(samsung->f0000_segment, "SDiaG@");
+ int i;
+
+ if (loca == 0xffff)
+ return ;
+
+ /* Example:
+ * Ident: @SDiaG@686XX-N90X3A/966-SEC-07HL-S90X3A
+ *
+ * Product name: 90X3A
+ * BIOS Version: 07HL
+ */
+ loca += 1;
+ for (i = 0; loca < 0xffff && i < sizeof(samsung->sdiag) - 1; loca++) {
+ char temp = readb(samsung->f0000_segment + loca);
+
+ if (isalnum(temp) || temp == '/' || temp == '-')
+ samsung->sdiag[i++] = temp;
+ else
+ break ;
+ }
+
+ if (debug && samsung->sdiag[0])
+ pr_info("sdiag: %s", samsung->sdiag);
+}
+
static int __init samsung_sabi_init(struct samsung_laptop *samsung)
{
const struct sabi_config *config = NULL;
@@ -1276,6 +1316,8 @@ static int __init samsung_sabi_init(struct samsung_laptop *samsung)
goto exit;
}
+ samsung_sabi_diag(samsung);
+
/* Try to find one of the signatures in memory to find the header */
for (i = 0; sabi_configs[i].test_string != 0; ++i) {
samsung->config = &sabi_configs[i];
--
1.7.5.4
--
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