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Automatically correct ROMID

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This commit is contained in:
Werner Sembach 2023-06-12 19:06:34 +02:00
parent cef0d4a74a
commit 587b95eb1b
2 changed files with 90 additions and 0 deletions
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5
src/uniwill_interfaces.h
View file

@ -70,6 +70,11 @@ typedef void (uniwill_event_callb_t)(u32);
#define UW_EC_REG_FEATURES_1 0x0766 #define UW_EC_REG_FEATURES_1 0x0766
#define UW_EC_REG_FEATURES_1_BIT_1_ZONE_RGB_KB 0x04 #define UW_EC_REG_FEATURES_1_BIT_1_ZONE_RGB_KB 0x04
#define UW_EC_REG_ROMID_START 0x0770
#define UW_EC_REG_ROMID_END 0x077d
#define UW_EC_REG_ROMID_SPECIAL_1 0x077e
#define UW_EC_REG_ROMID_SPECIAL_2 0x077f
struct uniwill_interface_t { struct uniwill_interface_t {
char *string_id; char *string_id;
uniwill_event_callb_t *event_callb; uniwill_event_callb_t *event_callb;

85
src/uniwill_keyboard.h
View file

@ -105,6 +105,22 @@ int uniwill_read_ec_ram(u16 address, u8 *data)
} }
EXPORT_SYMBOL(uniwill_read_ec_ram); EXPORT_SYMBOL(uniwill_read_ec_ram);
int uniwill_read_ec_ram_with_retry(u16 address, u8 *data, int retries)
{
int status, i;
for (i = 0; i < retries; ++i) {
status = uniwill_read_ec_ram(address, data);
if (status != 0) {
pr_debug("uniwill_read_ec_ram(...) failed.\n");
break;
}
}
return status;
}
EXPORT_SYMBOL(uniwill_read_ec_ram_with_retry);
int uniwill_write_ec_ram(u16 address, u8 data) int uniwill_write_ec_ram(u16 address, u8 data)
{ {
int status; int status;
@ -949,6 +965,73 @@ static ssize_t uw_charging_prio_store(struct device *child,
return -EINVAL; return -EINVAL;
} }
static const u8 uw_romid_PH4PxX[14] = {0x0C, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
static const struct dmi_system_id uw_sku_romid_table[] = {
{
.matches = {
DMI_MATCH(DMI_PRODUCT_SKU, "IBP1XI08MK1"),
},
.driver_data = (void *)&uw_romid_PH4PxX
},
{}
};
static int set_rom_id(void) {
int i, ret;
const struct dmi_system_id *uw_sku_romid;
const u8 *romid;
u8 data;
bool romid_false = false;
uw_sku_romid = dmi_first_match(uw_sku_romid_table);
if (!uw_sku_romid)
return 0;
romid = (const u8 *)uw_sku_romid->driver_data;
pr_debug("ROMID 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X\n",
romid[0], romid[1], romid[2], romid[3], romid[4], romid[5], romid[6], romid[7],
romid[8], romid[9], romid[10], romid[11], romid[12], romid[13]);
for (i = 0; i < 14; ++i) {
ret = uniwill_read_ec_ram_with_retry(UW_EC_REG_ROMID_START + i, &data, 3);
if (ret) {
pr_debug("uniwill_read_ec_ram_with_retry(...) failed.\n");
return ret;
}
pr_debug("ROMID index: %d, expected value: 0x%02X, actual value: 0x%02X\n", i, romid[i], data);
if (data != romid[i]) {
pr_debug("ROMID is false. Correcting...\n");
romid_false = true;
break;
}
}
if (romid_false) {
ret = uniwill_write_ec_ram_with_retry(UW_EC_REG_ROMID_SPECIAL_1, 0xA5, 3);
if (ret) {
pr_debug("uniwill_write_ec_ram_with_retry(...) failed.\n");
return ret;
}
ret = uniwill_write_ec_ram_with_retry(UW_EC_REG_ROMID_SPECIAL_2, 0x78, 3);
if (ret) {
pr_debug("uniwill_write_ec_ram_with_retry(...) failed.\n");
return ret;
}
for (i = 0; i < 14; ++i) {
ret = uniwill_write_ec_ram_with_retry(UW_EC_REG_ROMID_START + i, romid[i], 3);
if (ret) {
pr_debug("uniwill_write_ec_ram_with_retry(...) failed.\n");
return ret;
}
}
}
else
pr_debug("ROMID is correct.\n");
return 0;
}
static int has_universal_ec_fan_control(void) { static int has_universal_ec_fan_control(void) {
int ret; int ret;
u8 data; u8 data;
@ -1058,6 +1141,8 @@ static int uniwill_keyboard_probe(struct platform_device *dev)
u8 data; u8 data;
int status; int status;
set_rom_id();
struct uniwill_device_features_t *uw_feats = uniwill_get_device_features(); struct uniwill_device_features_t *uw_feats = uniwill_get_device_features();
// FIXME Hard set balanced profile until we have implemented a way to // FIXME Hard set balanced profile until we have implemented a way to