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path: root/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c110
1 files changed, 47 insertions, 63 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
index 979e434a4e73..6a5d9d1b2947 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
@@ -27,7 +27,13 @@ static u32 _rtl8821ae_phy_rf_serial_read(struct ieee80211_hw *hw,
static void _rtl8821ae_phy_rf_serial_write(struct ieee80211_hw *hw,
enum radio_path rfpath, u32 offset,
u32 data);
-static u32 _rtl8821ae_phy_calculate_bit_shift(u32 bitmask);
+static u32 _rtl8821ae_phy_calculate_bit_shift(u32 bitmask)
+{
+ if (WARN_ON_ONCE(!bitmask))
+ return 0;
+
+ return __ffs(bitmask);
+}
static bool _rtl8821ae_phy_bb8821a_config_parafile(struct ieee80211_hw *hw);
/*static bool _rtl8812ae_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);*/
static bool _rtl8821ae_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);
@@ -274,17 +280,6 @@ static void _rtl8821ae_phy_rf_serial_write(struct ieee80211_hw *hw,
rfpath, pphyreg->rf3wire_offset, data_and_addr);
}
-static u32 _rtl8821ae_phy_calculate_bit_shift(u32 bitmask)
-{
- u32 i;
-
- for (i = 0; i <= 31; i++) {
- if (((bitmask >> i) & 0x1) == 1)
- break;
- }
- return i;
-}
-
bool rtl8821ae_phy_mac_config(struct ieee80211_hw *hw)
{
bool rtstatus = 0;
@@ -1587,7 +1582,7 @@ static void _rtl8821ae_phy_txpower_by_rate_configuration(struct ieee80211_hw *hw
}
/* string is in decimal */
-static bool _rtl8812ae_get_integer_from_string(char *str, u8 *pint)
+static bool _rtl8812ae_get_integer_from_string(const char *str, u8 *pint)
{
u16 i = 0;
*pint = 0;
@@ -1605,18 +1600,6 @@ static bool _rtl8812ae_get_integer_from_string(char *str, u8 *pint)
return true;
}
-static bool _rtl8812ae_eq_n_byte(u8 *str1, u8 *str2, u32 num)
-{
- if (num == 0)
- return false;
- while (num > 0) {
- num--;
- if (str1[num] != str2[num])
- return false;
- }
- return true;
-}
-
static s8 _rtl8812ae_phy_get_chnl_idx_of_txpwr_lmt(struct ieee80211_hw *hw,
u8 band, u8 channel)
{
@@ -1643,10 +1626,11 @@ static s8 _rtl8812ae_phy_get_chnl_idx_of_txpwr_lmt(struct ieee80211_hw *hw,
return channel_index;
}
-static void _rtl8812ae_phy_set_txpower_limit(struct ieee80211_hw *hw, u8 *pregulation,
- u8 *pband, u8 *pbandwidth,
- u8 *prate_section, u8 *prf_path,
- u8 *pchannel, u8 *ppower_limit)
+static void _rtl8812ae_phy_set_txpower_limit(struct ieee80211_hw *hw,
+ const char *pregulation,
+ const char *pband, const char *pbandwidth,
+ const char *prate_section, const char *prf_path,
+ const char *pchannel, const char *ppower_limit)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &rtlpriv->phy;
@@ -1654,8 +1638,8 @@ static void _rtl8812ae_phy_set_txpower_limit(struct ieee80211_hw *hw, u8 *pregul
u8 channel_index;
s8 power_limit = 0, prev_power_limit, ret;
- if (!_rtl8812ae_get_integer_from_string((char *)pchannel, &channel) ||
- !_rtl8812ae_get_integer_from_string((char *)ppower_limit,
+ if (!_rtl8812ae_get_integer_from_string(pchannel, &channel) ||
+ !_rtl8812ae_get_integer_from_string(ppower_limit,
&power_limit)) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"Illegal index of pwr_lmt table [chnl %d][val %d]\n",
@@ -1665,42 +1649,42 @@ static void _rtl8812ae_phy_set_txpower_limit(struct ieee80211_hw *hw, u8 *pregul
power_limit = power_limit > MAX_POWER_INDEX ?
MAX_POWER_INDEX : power_limit;
- if (_rtl8812ae_eq_n_byte(pregulation, (u8 *)("FCC"), 3))
+ if (strcmp(pregulation, "FCC") == 0)
regulation = 0;
- else if (_rtl8812ae_eq_n_byte(pregulation, (u8 *)("MKK"), 3))
+ else if (strcmp(pregulation, "MKK") == 0)
regulation = 1;
- else if (_rtl8812ae_eq_n_byte(pregulation, (u8 *)("ETSI"), 4))
+ else if (strcmp(pregulation, "ETSI") == 0)
regulation = 2;
- else if (_rtl8812ae_eq_n_byte(pregulation, (u8 *)("WW13"), 4))
+ else if (strcmp(pregulation, "WW13") == 0)
regulation = 3;
- if (_rtl8812ae_eq_n_byte(prate_section, (u8 *)("CCK"), 3))
+ if (strcmp(prate_section, "CCK") == 0)
rate_section = 0;
- else if (_rtl8812ae_eq_n_byte(prate_section, (u8 *)("OFDM"), 4))
+ else if (strcmp(prate_section, "OFDM") == 0)
rate_section = 1;
- else if (_rtl8812ae_eq_n_byte(prate_section, (u8 *)("HT"), 2) &&
- _rtl8812ae_eq_n_byte(prf_path, (u8 *)("1T"), 2))
+ else if (strcmp(prate_section, "HT") == 0 &&
+ strcmp(prf_path, "1T") == 0)
rate_section = 2;
- else if (_rtl8812ae_eq_n_byte(prate_section, (u8 *)("HT"), 2) &&
- _rtl8812ae_eq_n_byte(prf_path, (u8 *)("2T"), 2))
+ else if (strcmp(prate_section, "HT") == 0 &&
+ strcmp(prf_path, "2T") == 0)
rate_section = 3;
- else if (_rtl8812ae_eq_n_byte(prate_section, (u8 *)("VHT"), 3) &&
- _rtl8812ae_eq_n_byte(prf_path, (u8 *)("1T"), 2))
+ else if (strcmp(prate_section, "VHT") == 0 &&
+ strcmp(prf_path, "1T") == 0)
rate_section = 4;
- else if (_rtl8812ae_eq_n_byte(prate_section, (u8 *)("VHT"), 3) &&
- _rtl8812ae_eq_n_byte(prf_path, (u8 *)("2T"), 2))
+ else if (strcmp(prate_section, "VHT") == 0 &&
+ strcmp(prf_path, "2T") == 0)
rate_section = 5;
- if (_rtl8812ae_eq_n_byte(pbandwidth, (u8 *)("20M"), 3))
+ if (strcmp(pbandwidth, "20M") == 0)
bandwidth = 0;
- else if (_rtl8812ae_eq_n_byte(pbandwidth, (u8 *)("40M"), 3))
+ else if (strcmp(pbandwidth, "40M") == 0)
bandwidth = 1;
- else if (_rtl8812ae_eq_n_byte(pbandwidth, (u8 *)("80M"), 3))
+ else if (strcmp(pbandwidth, "80M") == 0)
bandwidth = 2;
- else if (_rtl8812ae_eq_n_byte(pbandwidth, (u8 *)("160M"), 4))
+ else if (strcmp(pbandwidth, "160M") == 0)
bandwidth = 3;
- if (_rtl8812ae_eq_n_byte(pband, (u8 *)("2.4G"), 4)) {
+ if (strcmp(pband, "2.4G") == 0) {
ret = _rtl8812ae_phy_get_chnl_idx_of_txpwr_lmt(hw,
BAND_ON_2_4G,
channel);
@@ -1724,7 +1708,7 @@ static void _rtl8812ae_phy_set_txpower_limit(struct ieee80211_hw *hw, u8 *pregul
regulation, bandwidth, rate_section, channel_index,
rtlphy->txpwr_limit_2_4g[regulation][bandwidth]
[rate_section][channel_index][RF90_PATH_A]);
- } else if (_rtl8812ae_eq_n_byte(pband, (u8 *)("5G"), 2)) {
+ } else if (strcmp(pband, "5G") == 0) {
ret = _rtl8812ae_phy_get_chnl_idx_of_txpwr_lmt(hw,
BAND_ON_5G,
channel);
@@ -1755,10 +1739,10 @@ static void _rtl8812ae_phy_set_txpower_limit(struct ieee80211_hw *hw, u8 *pregul
}
static void _rtl8812ae_phy_config_bb_txpwr_lmt(struct ieee80211_hw *hw,
- u8 *regulation, u8 *band,
- u8 *bandwidth, u8 *rate_section,
- u8 *rf_path, u8 *channel,
- u8 *power_limit)
+ const char *regulation, const char *band,
+ const char *bandwidth, const char *rate_section,
+ const char *rf_path, const char *channel,
+ const char *power_limit)
{
_rtl8812ae_phy_set_txpower_limit(hw, regulation, band, bandwidth,
rate_section, rf_path, channel,
@@ -1771,7 +1755,7 @@ static void _rtl8821ae_phy_read_and_config_txpwr_lmt(struct ieee80211_hw *hw)
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
u32 i = 0;
u32 array_len;
- u8 **array;
+ const char **array;
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
array_len = RTL8812AE_TXPWR_LMT_ARRAY_LEN;
@@ -1785,13 +1769,13 @@ static void _rtl8821ae_phy_read_and_config_txpwr_lmt(struct ieee80211_hw *hw)
"\n");
for (i = 0; i < array_len; i += 7) {
- u8 *regulation = array[i];
- u8 *band = array[i+1];
- u8 *bandwidth = array[i+2];
- u8 *rate = array[i+3];
- u8 *rf_path = array[i+4];
- u8 *chnl = array[i+5];
- u8 *val = array[i+6];
+ const char *regulation = array[i];
+ const char *band = array[i+1];
+ const char *bandwidth = array[i+2];
+ const char *rate = array[i+3];
+ const char *rf_path = array[i+4];
+ const char *chnl = array[i+5];
+ const char *val = array[i+6];
_rtl8812ae_phy_config_bb_txpwr_lmt(hw, regulation, band,
bandwidth, rate, rf_path,
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-30 11:04:01 +0000