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authorHelmut Schaa <helmut.schaa@googlemail.com>2010-11-04 20:36:59 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-11-15 13:25:55 -0500
commit961621abee08fde2328daf6f8000e1059e5205e9 (patch)
tree5146af2d34494f827fa5ddb45d1f0e8a23fc6bdd /drivers/net
parent066dae93bdfcc7af5e38a33617773fd5c6457607 (diff)
rt2x00: Add TXOP_CTRL_CFG register definition
Remove the magic value initialisation of the TXOP_CTRL_CFG register by defining its fields and using them during intialisation. The field RESERVED_TRUN_EN is referred to as reserved, however it is set to 1 by the legacy drivers. Hence, do the same. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800.h23
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c18
2 files changed, 40 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index eb8b6cab9925..6cfed0638ceb 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -960,8 +960,31 @@
/*
* TXOP_CTRL_CFG:
+ * TIMEOUT_TRUN_EN: Enable/Disable TXOP timeout truncation
+ * AC_TRUN_EN: Enable/Disable truncation for AC change
+ * TXRATEGRP_TRUN_EN: Enable/Disable truncation for TX rate group change
+ * USER_MODE_TRUN_EN: Enable/Disable truncation for user TXOP mode
+ * MIMO_PS_TRUN_EN: Enable/Disable truncation for MIMO PS RTS/CTS
+ * RESERVED_TRUN_EN: Reserved
+ * LSIG_TXOP_EN: Enable/Disable L-SIG TXOP protection
+ * EXT_CCA_EN: Enable/Disable extension channel CCA reference (Defer 40Mhz
+ * transmissions if extension CCA is clear).
+ * EXT_CCA_DLY: Extension CCA signal delay time (unit: us)
+ * EXT_CWMIN: CwMin for extension channel backoff
+ * 0: Disabled
+ *
*/
#define TXOP_CTRL_CFG 0x1340
+#define TXOP_CTRL_CFG_TIMEOUT_TRUN_EN FIELD32(0x00000001)
+#define TXOP_CTRL_CFG_AC_TRUN_EN FIELD32(0x00000002)
+#define TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN FIELD32(0x00000004)
+#define TXOP_CTRL_CFG_USER_MODE_TRUN_EN FIELD32(0x00000008)
+#define TXOP_CTRL_CFG_MIMO_PS_TRUN_EN FIELD32(0x00000010)
+#define TXOP_CTRL_CFG_RESERVED_TRUN_EN FIELD32(0x00000020)
+#define TXOP_CTRL_CFG_LSIG_TXOP_EN FIELD32(0x00000040)
+#define TXOP_CTRL_CFG_EXT_CCA_EN FIELD32(0x00000080)
+#define TXOP_CTRL_CFG_EXT_CCA_DLY FIELD32(0x0000ff00)
+#define TXOP_CTRL_CFG_EXT_CWMIN FIELD32(0x000f0000)
/*
* TX_RTS_CFG:
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 5f00e00789d8..54bf08570557 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2097,7 +2097,23 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
}
- rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
+ /*
+ * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
+ * although it is reserved.
+ */
+ rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
+ rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
+ rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
+
rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);