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mwl8k: Adding support to access BBP registers

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Adding AP firmware command to access BBP
regs. This will be used for retrieving
different counters CCA/RX needed for ACS

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yogesh Ashok Powar 2014-02-25 17:41:58 +05:30 committed by John W. Linville
parent 3ebe8e2573
commit c3015313ae
1 changed files with 42 additions and 0 deletions
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42
drivers/net/wireless/mwl8k.c
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@ -396,6 +396,7 @@ static const struct ieee80211_rate mwl8k_rates_50[] = {
#define MWL8K_CMD_SET_HW_SPEC 0x0004
#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010
#define MWL8K_CMD_GET_STAT 0x0014
#define MWL8K_CMD_BBP_REG_ACCESS 0x001a
#define MWL8K_CMD_RADIO_CONTROL 0x001c
#define MWL8K_CMD_RF_TX_POWER 0x001e
#define MWL8K_CMD_TX_POWER 0x001f
@ -2986,6 +2987,47 @@ static int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw)
return rc;
}
/*
* CMD_BBP_REG_ACCESS.
*/
struct mwl8k_cmd_bbp_reg_access {
struct mwl8k_cmd_pkt header;
__le16 action;
__le16 offset;
u8 value;
u8 rsrv[3];
} __packed;
static int
mwl8k_cmd_bbp_reg_access(struct ieee80211_hw *hw,
u16 action,
u16 offset,
u8 *value)
{
struct mwl8k_cmd_bbp_reg_access *cmd;
int rc;
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (cmd == NULL)
return -ENOMEM;
cmd->header.code = cpu_to_le16(MWL8K_CMD_BBP_REG_ACCESS);
cmd->header.length = cpu_to_le16(sizeof(*cmd));
cmd->action = cpu_to_le16(action);
cmd->offset = cpu_to_le16(offset);
rc = mwl8k_post_cmd(hw, &cmd->header);
if (!rc)
*value = cmd->value;
else
*value = 0;
kfree(cmd);
return rc;
}
/*
* CMD_SET_POST_SCAN.
*/