drivers/net/wireless/realtek/rtw89/rtw8922a_rfk.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/realtek/rtw89/rtw8922a_rfk.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/realtek/rtw89/rtw8922a_rfk.c
Extension
.c
Size
11382 bytes
Lines
382
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (rf_reg[path][i] == INV_RF_DATA) {
				rtw89_warn(rtwdev,
					   "[RFK] Invalid RF_0x18 for Path-%d\n", path);
				return;
			}

			rf_reg[path][i] &= ~(RR_CFGCH_BAND1 | RR_CFGCH_BW_V2 |
					     RR_CFGCH_BAND0 | RR_CFGCH_CH);
			rf_reg[path][i] |= rtw89_chip_chan_to_rf18_val(rtwdev, chan);

			rtw89_write_rf(rtwdev, path, rf_addr[i],
				       RFREG_MASK, rf_reg[path][i]);
			fsleep(100);
		}
	}

	if (hal->cv != CHIP_CAV)
		return;

	if (chan->band_type == RTW89_BAND_2G) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWE, RFREG_MASK, 0x80000);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWA, RFREG_MASK, 0x00003);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWD1, RFREG_MASK, 0x0c990);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWD0, RFREG_MASK, 0xebe38);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWE, RFREG_MASK, 0x00000);
	} else {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWE, RFREG_MASK, 0x80000);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWA, RFREG_MASK, 0x00003);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWD1, RFREG_MASK, 0x0c190);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWD0, RFREG_MASK, 0xebe38);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_LUTWE, RFREG_MASK, 0x00000);
	}
}

void rtw8922a_set_channel_rf(struct rtw89_dev *rtwdev,
			     const struct rtw89_chan *chan,
			     enum rtw89_phy_idx phy_idx)
{
	rtw8922a_ctl_band_ch_bw(rtwdev, phy_idx, chan);
}

enum _rf_syn_pow {
	RF_SYN_ON_OFF,
	RF_SYN_OFF_ON,
	RF_SYN_ALLON,
	RF_SYN_ALLOFF,
};

static void rtw8922a_set_syn01_cav(struct rtw89_dev *rtwdev, enum _rf_syn_pow syn)
{
	if (syn == RF_SYN_ALLON) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x3);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x2);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x3);

		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN, 0x3);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN, 0x2);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN, 0x3);
	} else if (syn == RF_SYN_ON_OFF) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x3);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x2);
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x3);

		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN, 0x0);
	} else if (syn == RF_SYN_OFF_ON) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x0);

		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN, 0x3);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN, 0x2);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN, 0x3);
	} else if (syn == RF_SYN_ALLOFF) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN, 0x0);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN, 0x0);
	}
}

static void rtw8922a_set_syn01_cbv(struct rtw89_dev *rtwdev, enum _rf_syn_pow syn)
{
	if (syn == RF_SYN_ALLON) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN_V1, 0xf);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN_V1, 0xf);
	} else if (syn == RF_SYN_ON_OFF) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN_V1, 0xf);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN_V1, 0x0);
	} else if (syn == RF_SYN_OFF_ON) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN_V1, 0x0);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN_V1, 0xf);
	} else if (syn == RF_SYN_ALLOFF) {
		rtw89_write_rf(rtwdev, RF_PATH_A, RR_POW, RR_POW_SYN_V1, 0x0);
		rtw89_write_rf(rtwdev, RF_PATH_B, RR_POW, RR_POW_SYN_V1, 0x0);

Annotation

Implementation Notes