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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>
This commit is contained in:
Helmut Schaa 2010-11-04 20:36:59 +01:00 committed by John W. Linville
parent 066dae93bd
commit 961621abee
2 changed files with 40 additions and 1 deletions
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23
drivers/net/wireless/rt2x00/rt2800.h
View File

@ -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:

18
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -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);