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-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c78
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.h10
2 files changed, 33 insertions, 55 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 6b664962447..0cc815000d6 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -399,6 +399,7 @@ static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
u8 r3;
u8 r4;
u8 r77;
+ u8 temp;
rt73usb_bbp_read(rt2x00dev, 3, &r3);
rt73usb_bbp_read(rt2x00dev, 4, &r4);
@@ -407,37 +408,22 @@ static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
/*
- * Configure the TX antenna.
- */
- switch (ant->tx) {
- case ANTENNA_A:
- rt2x00_set_field8(&r77, BBP_R77_TX_ANTENNA, 0);
- break;
- case ANTENNA_SW_DIVERSITY:
- case ANTENNA_HW_DIVERSITY:
- /*
- * NOTE: We should never come here because rt2x00lib is
- * supposed to catch this and send us the correct antenna
- * explicitely. However we are nog going to bug about this.
- * Instead, just default to antenna B.
- */
- case ANTENNA_B:
- rt2x00_set_field8(&r77, BBP_R77_TX_ANTENNA, 3);
- break;
- }
-
- /*
* Configure the RX antenna.
*/
switch (ant->rx) {
case ANTENNA_HW_DIVERSITY:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
- rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
- (rt2x00dev->curr_hwmode != HWMODE_A));
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
+ temp = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)
+ && (rt2x00dev->curr_hwmode != HWMODE_A);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp);
break;
case ANTENNA_A:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
+ if (rt2x00dev->curr_hwmode == HWMODE_A)
+ rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
+ else
+ rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
break;
case ANTENNA_SW_DIVERSITY:
/*
@@ -447,8 +433,12 @@ static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
* Instead, just default to antenna B.
*/
case ANTENNA_B:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
+ if (rt2x00dev->curr_hwmode == HWMODE_A)
+ rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
+ else
+ rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
break;
}
@@ -473,34 +463,15 @@ static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
!test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
/*
- * Configure the TX antenna.
- */
- switch (ant->tx) {
- case ANTENNA_A:
- rt2x00_set_field8(&r77, BBP_R77_TX_ANTENNA, 0);
- break;
- case ANTENNA_SW_DIVERSITY:
- case ANTENNA_HW_DIVERSITY:
- /*
- * NOTE: We should never come here because rt2x00lib is
- * supposed to catch this and send us the correct antenna
- * explicitely. However we are nog going to bug about this.
- * Instead, just default to antenna B.
- */
- case ANTENNA_B:
- rt2x00_set_field8(&r77, BBP_R77_TX_ANTENNA, 3);
- break;
- }
-
- /*
* Configure the RX antenna.
*/
switch (ant->rx) {
case ANTENNA_HW_DIVERSITY:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
break;
case ANTENNA_A:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
break;
case ANTENNA_SW_DIVERSITY:
/*
@@ -510,7 +481,8 @@ static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
* Instead, just default to antenna B.
*/
case ANTENNA_B:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
break;
}
@@ -558,8 +530,6 @@ static void rt73usb_config_antenna(struct rt2x00_dev *rt2x00dev,
unsigned int i;
u32 reg;
- rt73usb_register_read(rt2x00dev, PHY_CSR0, &reg);
-
if (rt2x00dev->curr_hwmode == HWMODE_A) {
sel = antenna_sel_a;
lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
@@ -568,15 +538,17 @@ static void rt73usb_config_antenna(struct rt2x00_dev *rt2x00dev,
lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
}
+ for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
+ rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
+
+ rt73usb_register_read(rt2x00dev, PHY_CSR0, &reg);
+
rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
(rt2x00dev->curr_hwmode == HWMODE_B ||
rt2x00dev->curr_hwmode == HWMODE_G));
rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
(rt2x00dev->curr_hwmode == HWMODE_A));
- for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
- rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
-
rt73usb_register_write(rt2x00dev, PHY_CSR0, reg);
if (rt2x00_rf(&rt2x00dev->chip, RF5226) ||
diff --git a/drivers/net/wireless/rt2x00/rt73usb.h b/drivers/net/wireless/rt2x00/rt73usb.h
index 13f479c7da0..b967df27886 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.h
+++ b/drivers/net/wireless/rt2x00/rt73usb.h
@@ -713,13 +713,19 @@ struct hw_pairwise_ta_entry {
* R4: RX antenna control
* FRAME_END: 1 - DPDT, 0 - SPDT (Only valid for 802.11G, RF2527 & RF2529)
*/
-#define BBP_R4_RX_ANTENNA FIELD8(0x03)
+
+/*
+ * ANTENNA_CONTROL semantics (guessed):
+ * 0x1: Software controlled antenna switching (fixed or SW diversity)
+ * 0x2: Hardware diversity.
+ */
+#define BBP_R4_RX_ANTENNA_CONTROL FIELD8(0x03)
#define BBP_R4_RX_FRAME_END FIELD8(0x20)
/*
* R77
*/
-#define BBP_R77_TX_ANTENNA FIELD8(0x03)
+#define BBP_R77_RX_ANTENNA FIELD8(0x03)
/*
* RF registers
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 18:35:22 +0000