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wls_charge: add fw version check logic

Browse source 
In normal use, we may need to update FW to fix some
chip bugs. So we need to add fw check logic to decide
if the FW should be updated. And the latest FW version
is defined in dts file.

Change-Id: I4642dcd311b2fe6dc85c316efd88fa50d50e6a76
Reviewed-on: https://gerrit.mot.com/2254034
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Haijian Ma <mahj8@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
weiweij 2022-04-27 11:43:29 +08:00 • committed by Wei Wei
commit 8bae453908
1 changed files with 31 additions and 2 deletions
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33
drivers/power/cps4019_wls_charger/cps4019_wls_charger.c
View file

@ -131,7 +131,10 @@ struct cps_wls_chrg_chip {
int rx_neg_protocol;
int command_flag;
/*fw relative*/
const char *wls_fw_name;
int fw_ver_major;
int fw_ver_minor;
bool use_bl_in_h;
};
@ -423,6 +426,26 @@ static bool cps_check_chip_id(void)
return ((id == CPS4019_CHIP_ID) || (id == -1)) ? TRUE : FALSE;
}
*/
static bool cps_check_fw_ver(void)
{
int fw_major, fw_minor;
int ret;
fw_major = cps_wls_get_sys_fw_major_version();
fw_minor = cps_wls_get_sys_fw_minor_version();
cps_wls_log(CPS_LOG_ERR, "[%s] chip id %d.%d\n", __func__, fw_major, fw_minor);
if ((chip->fw_ver_major > fw_major)
|| (chip->fw_ver_minor > fw_minor))
ret = true;
else
ret = false;
return ret;
}
static void cps_wls_pm_set_awake(int awake)
{
@ -730,8 +753,8 @@ static int update_firmware(void)
goto update_fail;
}
if (cps_check_chip_id()) {
cps_wls_log(CPS_LOG_ERR, "[%s] fw is exist OR chip do not exist. Skip!!\n", __func__);
if (!cps_check_fw_ver()) {
cps_wls_log(CPS_LOG_ERR, "[%s] fw already exist OR chip do not exist. Skip!!\n", __func__);
goto update_fail;
}
@ -1355,6 +1378,11 @@ static int cps_wls_parse_dt(struct cps_wls_chrg_chip *chip)
return -EINVAL;
}
chip->fw_ver_major = 0;
chip->fw_ver_minor = 0;
of_property_read_u32(node, "fw_ver_major", &chip->fw_ver_major);
of_property_read_u32(node, "fw_ver_minor", &chip->fw_ver_minor);
chip->wls_fw_name = NULL;
of_property_read_string(node, "wireless-fw-name", &chip->wls_fw_name);
@ -1363,6 +1391,7 @@ static int cps_wls_parse_dt(struct cps_wls_chrg_chip *chip)
cps_wls_log(CPS_LOG_ERR, "[%s] wls_charge_int %d wls_fw_name: %s use_bl_h %d\n",
__func__, chip->wls_charge_int,
chip->wls_fw_name ? chip->wls_fw_name : "null", chip->use_bl_in_h);
return 0;
}