We still need to figure out exactly what each of different fields
represent, but they contain at least model and version informatiosn.
Signed-off-by: Corentin Chary <corentincj@xxxxxxxxxx>
---
drivers/platform/x86/samsung-laptop.c | 32 ++++++++++++++++++++++++++++++++
1 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 9940525..c03a466 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -326,6 +326,8 @@ struct samsung_laptop {
bool handle_backlight;
bool has_stepping_quirk;
+
+ char sdiag[64];
};
@@ -1239,6 +1241,34 @@ 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 (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;
@@ -1256,6 +1286,8 @@ 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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