2009-10-22 18:53:50

by Lennert Buytenhek

[permalink] [raw]
Subject: [PATCH 22/28] 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: Lennert Buytenhek <[email protected]>
---
drivers/net/wireless/mwl8k.c | 133 +++++++++++++++++++++++++++++++++++++++++-
1 files changed, 132 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 5ccea17..4a70ce1 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -274,6 +274,7 @@ 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
@@ -304,6 +305,7 @@ 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)
}

/*
+ * 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 {
@@ -3210,7 +3335,13 @@ 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));
--
1.5.6.4