On 9/20/2023 1:23 AM, Wen Gong wrote:
Prepare the parameters which is needed for WMI command WMI_VDEV_SET_TPC_POWER_CMDID.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23
Signed-off-by: Wen Gong <quic_wgong@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath11k/mac.c | 277 ++++++++++++++++++++++++++
drivers/net/wireless/ath/ath11k/mac.h | 3 +
2 files changed, 280 insertions(+)
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index bfb900d98347..f05d66913abd 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -7661,6 +7661,283 @@ static u8 ath11k_mac_get_num_pwr_levels(struct cfg80211_chan_def *chan_def)
}
}
+static u16 ath11k_mac_get_6ghz_start_frequency(struct cfg80211_chan_def *chan_def)
+{
+ u16 diff_seq;
+
+ /* It is to get the lowest channel number's center frequency of the chan.
+ * For example,
+ * bandwidth=40 MHz, center frequency is 5965, lowest channel is 1
+ * with center frequency 5955, its diff is 5965 - 5955 = 10.
+ * bandwidth=80 MHz, center frequency is 5985, lowest channel is 1
+ * with center frequency 5955, its diff is 5985 - 5955 = 30.
+ * bandwidth=160 MHz, center frequency is 6025, lowest channel is 1
+ * with center frequency 5955, its diff is 6025 - 5955 = 70.
+ */
+ switch (chan_def->width) {
+ case NL80211_CHAN_WIDTH_160:
+ diff_seq = 70;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ case NL80211_CHAN_WIDTH_80P80:
+ diff_seq = 30;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ diff_seq = 10;
+ break;
+ default:
+ diff_seq = 0;
+ }
+
+ return chan_def->center_freq1 - diff_seq;
+}
+
+static u16 ath11k_mac_get_seg_freq(struct cfg80211_chan_def *chan_def,
+ u16 start_seq, u8 seq)
+{
+ u16 seg_seq;
+
+ /* It is to get the center frequency of the specific bandwidth.
+ * start_seq means the lowest channel number's center frequency.
+ * seq 0/1/2/3 means 20 MHz/40 MHz/80 MHz/160 MHz&80P80.
+ * For example,
+ * lowest channel is 1, its center frequency 5955,
+ * center frequency is 5955 when bandwidth=20 MHz, its diff is 5955 - 5955 = 0.
+ * lowest channel is 1, its center frequency 5955,
+ * center frequency is 5965 when bandwidth=40 MHz, its diff is 5965 - 5955 = 10.
+ * lowest channel is 1, its center frequency 5955,
+ * center frequency is 5985 when bandwidth=80 MHz, its diff is 5985 - 5955 = 30.
+ * lowest channel is 1, its center frequency 5955,
+ * center frequency is 6025 when bandwidth=160 MHz, its diff is 6025 - 5955 = 70.
+ */
+ if (chan_def->width == NL80211_CHAN_WIDTH_80P80 && seq == 3)
+ return chan_def->center_freq2;
+
+ seg_seq = 10 * (BIT(seq) - 1);
+ return seg_seq + start_seq;
+}
The above two functions are driver agnostic. Will other drivers need
this as well, and if so, should these go into core wireless?
