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authorBing Zhao <bzhao@marvell.com>2009-05-19 19:48:20 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-05-22 14:06:01 -0400
commitd26285f873c3066fefe648b47b9ecf3ec18bcfbc (patch)
treec98fd544dcf32c71ff13bbb8cdf0e80602b460b7 /drivers/net/wireless/libertas/main.c
parentb136a1414c94b4bda1057b4ffde26253d2527628 (diff)
libertas: implement function init/shutdown commands for SD8688
SD8688 is a WLAN/Bluetooth combo chip and both functions are supported in a single firmware image. FUNC_INIT and FUNC_SHUTDOWN commands are implemented to utilize the multiple function feature. When SD8688 card is inserted, the firmware image should be downloaded only once through either WLAN function (Libertas driver) or Bluetooth function (Bluetooth driver). This patch adds function init/shutdown for SD8688 WLAN function only. Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas/main.c')
-rw-r--r--drivers/net/wireless/libertas/main.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 89575e44801..a58a1235267 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1002,9 +1002,17 @@ static int lbs_setup_firmware(struct lbs_private *priv)
{
int ret = -1;
s16 curlevel = 0, minlevel = 0, maxlevel = 0;
+ struct cmd_header cmd;
lbs_deb_enter(LBS_DEB_FW);
+ if (priv->fn_init_required) {
+ memset(&cmd, 0, sizeof(cmd));
+ if (__lbs_cmd(priv, CMD_FUNC_INIT, &cmd, sizeof(cmd),
+ lbs_cmd_copyback, (unsigned long) &cmd))
+ lbs_pr_alert("CMD_FUNC_INIT command failed\n");
+ }
+
/* Read MAC address from firmware */
memset(priv->current_addr, 0xff, ETH_ALEN);
ret = lbs_update_hw_spec(priv);
@@ -1192,6 +1200,9 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
priv->mesh_open = 0;
priv->infra_open = 0;
+ priv->fn_init_required = 0;
+ priv->fn_shutdown_required = 0;
+
/* Setup the OS Interface to our functions */
dev->netdev_ops = &lbs_netdev_ops;
dev->watchdog_timeo = 5 * HZ;
@@ -1373,11 +1384,20 @@ void lbs_stop_card(struct lbs_private *priv)
struct net_device *dev;
struct cmd_ctrl_node *cmdnode;
unsigned long flags;
+ struct cmd_header cmd;
lbs_deb_enter(LBS_DEB_MAIN);
if (!priv)
goto out;
+
+ if (priv->fn_shutdown_required) {
+ memset(&cmd, 0, sizeof(cmd));
+ if (__lbs_cmd(priv, CMD_FUNC_SHUTDOWN, &cmd, sizeof(cmd),
+ lbs_cmd_copyback, (unsigned long) &cmd))
+ lbs_pr_alert("CMD_FUNC_SHUTDOWN command failed\n");
+ }
+
dev = priv->dev;
netif_stop_queue(dev);