diff options
| author | Yogesh Ashok Powar <yogeshp@marvell.com> | 2014-02-25 17:41:58 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-02-28 14:33:10 -0500 |
| commit | c3015313aea0f765dbe743f95087a5994db082f2 (patch) | |
| tree | af13ef8af88d3d44d66a632cc358d3103a0d5a33 /drivers/net/wireless/mwl8k.c | |
| parent | 3ebe8e257307a87c33460aa7d2b75dadd374ed9c (diff) | |
mwl8k: Adding support to access BBP registers
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>
Diffstat (limited to 'drivers/net/wireless/mwl8k.c')
| -rw-r--r-- | drivers/net/wireless/mwl8k.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 4987c3f942ce..6c002f3d91cd 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -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 @@ -2987,6 +2988,47 @@ static int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) } /* + * 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. */ struct mwl8k_cmd_set_post_scan { |