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Commit 42fba21d authored by Lennert Buytenhek's avatar Lennert Buytenhek Committed by John W. Linville
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mwl8k: add the commands used for AP firmware initialisation 



Add the AP version of the GET_HW_SPEC command, as well as the
SET_HW_SPEC command, for initialising AP firmware.

Signed-off-by: default avatarLennert Buytenhek <buytenh@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 04b147b1

drivers/net/wireless/mwl8k.c

+132 −1
Original line number Diff line number Diff line
@@ -275,6 +275,7 @@ static const struct ieee80211_rate mwl8k_rates[] = { 
/* Firmware command codes */

#define MWL8K_CMD_CODE_DNLD		0x0001

#define MWL8K_CMD_GET_HW_SPEC		0x0003

#define MWL8K_CMD_SET_HW_SPEC		0x0004

#define MWL8K_CMD_MAC_MULTICAST_ADR	0x0010

#define MWL8K_CMD_GET_STAT		0x0014

#define MWL8K_CMD_RADIO_CONTROL		0x001c
@@ -305,6 +306,7 @@ static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize) 
	switch (cmd & ~0x8000) {

		MWL8K_CMDNAME(CODE_DNLD);

		MWL8K_CMDNAME(GET_HW_SPEC);

		MWL8K_CMDNAME(SET_HW_SPEC);

		MWL8K_CMDNAME(MAC_MULTICAST_ADR);

		MWL8K_CMDNAME(GET_STAT);

		MWL8K_CMDNAME(RADIO_CONTROL);
@@ -1595,6 +1597,129 @@ static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) 
	return rc;

}



/*

 * CMD_GET_HW_SPEC (AP version).

 */

struct mwl8k_cmd_get_hw_spec_ap {

	struct mwl8k_cmd_pkt header;

	__u8 hw_rev;

	__u8 host_interface;

	__le16 num_wcb;

	__le16 num_mcaddrs;

	__u8 perm_addr[ETH_ALEN];

	__le16 region_code;

	__le16 num_antenna;

	__le32 fw_rev;

	__le32 wcbbase0;

	__le32 rxwrptr;

	__le32 rxrdptr;

	__le32 ps_cookie;

	__le32 wcbbase1;

	__le32 wcbbase2;

	__le32 wcbbase3;

} __attribute__((packed));



static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw)

{

	struct mwl8k_priv *priv = hw->priv;

	struct mwl8k_cmd_get_hw_spec_ap *cmd;

	int rc;



	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);

	if (cmd == NULL)

		return -ENOMEM;



	cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC);

	cmd->header.length = cpu_to_le16(sizeof(*cmd));



	memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr));

	cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);



	rc = mwl8k_post_cmd(hw, &cmd->header);



	if (!rc) {

		int off;



		SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr);

		priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);

		priv->fw_rev = le32_to_cpu(cmd->fw_rev);

		priv->hw_rev = cmd->hw_rev;



		off = le32_to_cpu(cmd->wcbbase0) & 0xffff;

		iowrite32(cpu_to_le32(priv->txq[0].txd_dma), priv->sram + off);



		off = le32_to_cpu(cmd->rxwrptr) & 0xffff;

		iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off);



		off = le32_to_cpu(cmd->rxrdptr) & 0xffff;

		iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off);



		off = le32_to_cpu(cmd->wcbbase1) & 0xffff;

		iowrite32(cpu_to_le32(priv->txq[1].txd_dma), priv->sram + off);



		off = le32_to_cpu(cmd->wcbbase2) & 0xffff;

		iowrite32(cpu_to_le32(priv->txq[2].txd_dma), priv->sram + off);



		off = le32_to_cpu(cmd->wcbbase3) & 0xffff;

		iowrite32(cpu_to_le32(priv->txq[3].txd_dma), priv->sram + off);

	}



	kfree(cmd);

	return rc;

}



/*

 * CMD_SET_HW_SPEC.

 */

struct mwl8k_cmd_set_hw_spec {

	struct mwl8k_cmd_pkt header;

	__u8 hw_rev;

	__u8 host_interface;

	__le16 num_mcaddrs;

	__u8 perm_addr[ETH_ALEN];

	__le16 region_code;

	__le32 fw_rev;

	__le32 ps_cookie;

	__le32 caps;

	__le32 rx_queue_ptr;

	__le32 num_tx_queues;

	__le32 tx_queue_ptrs[MWL8K_TX_QUEUES];

	__le32 flags;

	__le32 num_tx_desc_per_queue;

	__le32 total_rxd;

} __attribute__((packed));



#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT	0x00000080



static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw)

{

	struct mwl8k_priv *priv = hw->priv;

	struct mwl8k_cmd_set_hw_spec *cmd;

	int rc;

	int i;



	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);

	if (cmd == NULL)

		return -ENOMEM;



	cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC);

	cmd->header.length = cpu_to_le16(sizeof(*cmd));



	cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);

	cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma);

	cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);

	for (i = 0; i < MWL8K_TX_QUEUES; i++)

		cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);

	cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT);

	cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);

	cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);



	rc = mwl8k_post_cmd(hw, &cmd->header);

	kfree(cmd);



	return rc;

}



/*

 * CMD_MAC_MULTICAST_ADR.

 */
@@ -3211,7 +3336,13 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev, 
	iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);



	/* Get config data, mac addrs etc */

	if (priv->ap_fw) {

		rc = mwl8k_cmd_get_hw_spec_ap(hw);

		if (!rc)

			rc = mwl8k_cmd_set_hw_spec(hw);

	} else {

		rc = mwl8k_cmd_get_hw_spec_sta(hw);

	}

	if (rc) {

		printk(KERN_ERR "%s: Cannot initialise firmware\n",

		       wiphy_name(hw->wiphy));