diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 78 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.h | 10 |
2 files changed, 33 insertions, 55 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 6b6649624470..0cc815000d62 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, ®); - 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, ®); + rt2x00_set_field32(®, PHY_CSR0_PA_PE_BG, (rt2x00dev->curr_hwmode == HWMODE_B || rt2x00dev->curr_hwmode == HWMODE_G)); rt2x00_set_field32(®, 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 13f479c7da0d..b967df27886a 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 |