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Commit c3015313 authored by Yogesh Ashok Powar's avatar Yogesh Ashok Powar Committed by John W. Linville
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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: default avatarYogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: default avatarNishant Sarmukadam <nishants@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3ebe8e25

drivers/net/wireless/mwl8k.c

+42 −0
Original line number Diff line number Diff line
@@ -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.

 */