mwl8k: add the commands used for AP firmware initialisation
Lennert Buytenhek [Thu, 22 Oct 2009 18:21:30 +0000 (20:21 +0200)]
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: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwl8k.c

index 90bf19c..9b9ce70 100644 (file)
@@ -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);
@@ -1596,6 +1598,129 @@ static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw)
 }
 
 /*
+ * 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.
  */
 struct mwl8k_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 */
-       rc = mwl8k_cmd_get_hw_spec_sta(hw);
+       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));