diff options
| -rw-r--r-- | drivers/net/wireless/libertas/cmd.c | 37 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/cmdresp.c | 30 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/decl.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/dev.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/ethtool.c | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/if_sdio.c | 58 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/if_usb.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/main.c | 79 |
8 files changed, 171 insertions, 62 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index cdb9b9650d73..0fa6b0e59ea5 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -70,6 +70,8 @@ static u8 is_command_allowed_in_ps(u16 cmd) switch (cmd) { case CMD_802_11_RSSI: return 1; + case CMD_802_11_HOST_SLEEP_CFG: + return 1; default: break; } @@ -185,6 +187,23 @@ out: return ret; } +static int lbs_ret_host_sleep_cfg(struct lbs_private *priv, unsigned long dummy, + struct cmd_header *resp) +{ + lbs_deb_enter(LBS_DEB_CMD); + if (priv->wol_criteria == EHS_REMOVE_WAKEUP) { + priv->is_host_sleep_configured = 0; + if (priv->psstate == PS_STATE_FULL_POWER) { + priv->is_host_sleep_activated = 0; + wake_up_interruptible(&priv->host_sleep_q); + } + } else { + priv->is_host_sleep_configured = 1; + } + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria, struct wol_config *p_wol_config) { @@ -202,12 +221,11 @@ int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria, else cmd_config.wol_conf.action = CMD_ACT_ACTION_NONE; - ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config); + ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config.hdr, + le16_to_cpu(cmd_config.hdr.size), + lbs_ret_host_sleep_cfg, 0); if (!ret) { - if (criteria) { - lbs_deb_cmd("Set WOL criteria to %x\n", criteria); - priv->wol_criteria = criteria; - } else + if (p_wol_config) memcpy((uint8_t *) p_wol_config, (uint8_t *)&cmd_config.wol_conf, sizeof(struct wol_config)); @@ -712,6 +730,10 @@ static void lbs_queue_cmd(struct lbs_private *priv, } } + if (le16_to_cpu(cmdnode->cmdbuf->command) == + CMD_802_11_WAKEUP_CONFIRM) + addtail = 0; + spin_lock_irqsave(&priv->driver_lock, flags); if (addtail) @@ -1353,6 +1375,11 @@ static void lbs_send_confirmsleep(struct lbs_private *priv) /* We don't get a response on the sleep-confirmation */ priv->dnld_sent = DNLD_RES_RECEIVED; + if (priv->is_host_sleep_configured) { + priv->is_host_sleep_activated = 1; + wake_up_interruptible(&priv->host_sleep_q); + } + /* If nothing to do, go back to sleep (?) */ if (!kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx]) priv->psstate = PS_STATE_SLEEP; diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index 88f7131d66e9..d6c306353640 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -17,6 +17,7 @@ #include "dev.h" #include "assoc.h" #include "wext.h" +#include "cmd.h" /** * @brief This function handles disconnect event. it @@ -341,32 +342,10 @@ done: return ret; } -static int lbs_send_confirmwake(struct lbs_private *priv) -{ - struct cmd_header cmd; - int ret = 0; - - lbs_deb_enter(LBS_DEB_HOST); - - cmd.command = cpu_to_le16(CMD_802_11_WAKEUP_CONFIRM); - cmd.size = cpu_to_le16(sizeof(cmd)); - cmd.seqnum = cpu_to_le16(++priv->seqnum); - cmd.result = 0; - - lbs_deb_hex(LBS_DEB_HOST, "wake confirm", (u8 *) &cmd, - sizeof(cmd)); - - ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &cmd, sizeof(cmd)); - if (ret) - lbs_pr_alert("SEND_WAKEC_CMD: Host to Card failed for Confirm Wake\n"); - - lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); - return ret; -} - int lbs_process_event(struct lbs_private *priv, u32 event) { int ret = 0; + struct cmd_header cmd; lbs_deb_enter(LBS_DEB_CMD); @@ -410,7 +389,10 @@ int lbs_process_event(struct lbs_private *priv, u32 event) if (priv->reset_deep_sleep_wakeup) priv->reset_deep_sleep_wakeup(priv); priv->is_deep_sleep = 0; - lbs_send_confirmwake(priv); + lbs_cmd_async(priv, CMD_802_11_WAKEUP_CONFIRM, &cmd, + sizeof(cmd)); + priv->is_host_sleep_activated = 0; + wake_up_interruptible(&priv->host_sleep_q); break; case MACREG_INT_CODE_DEEP_SLEEP_AWAKE: diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h index 709ffcad22ad..61db8bc62b3c 100644 --- a/drivers/net/wireless/libertas/decl.h +++ b/drivers/net/wireless/libertas/decl.h @@ -38,7 +38,7 @@ int lbs_set_mac_address(struct net_device *dev, void *addr); void lbs_set_multicast_list(struct net_device *dev); int lbs_suspend(struct lbs_private *priv); -void lbs_resume(struct lbs_private *priv); +int lbs_resume(struct lbs_private *priv); void lbs_queue_event(struct lbs_private *priv, u32 event); void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx); diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h index a54880e4ad2b..71c5ad46ebf6 100644 --- a/drivers/net/wireless/libertas/dev.h +++ b/drivers/net/wireless/libertas/dev.h @@ -75,6 +75,7 @@ struct lbs_private { /* Deep sleep */ int is_deep_sleep; + int deep_sleep_required; int is_auto_deep_sleep_enabled; int wakeup_dev_required; int is_activity_detected; @@ -82,6 +83,11 @@ struct lbs_private { wait_queue_head_t ds_awake_q; struct timer_list auto_deepsleep_timer; + /* Host sleep*/ + int is_host_sleep_configured; + int is_host_sleep_activated; + wait_queue_head_t host_sleep_q; + /* Hardware access */ void *card; u8 fw_ready; diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c index 3804a58d7f4e..6a36c9956fdc 100644 --- a/drivers/net/wireless/libertas/ethtool.c +++ b/drivers/net/wireless/libertas/ethtool.c @@ -91,23 +91,22 @@ static int lbs_ethtool_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct lbs_private *priv = dev->ml_priv; - uint32_t criteria = 0; if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY)) return -EOPNOTSUPP; + priv->wol_criteria = 0; if (wol->wolopts & WAKE_UCAST) - criteria |= EHS_WAKE_ON_UNICAST_DATA; + priv->wol_criteria |= EHS_WAKE_ON_UNICAST_DATA; if (wol->wolopts & WAKE_MCAST) - criteria |= EHS_WAKE_ON_MULTICAST_DATA; + priv->wol_criteria |= EHS_WAKE_ON_MULTICAST_DATA; if (wol->wolopts & WAKE_BCAST) - criteria |= EHS_WAKE_ON_BROADCAST_DATA; + priv->wol_criteria |= EHS_WAKE_ON_BROADCAST_DATA; if (wol->wolopts & WAKE_PHY) - criteria |= EHS_WAKE_ON_MAC_EVENT; + priv->wol_criteria |= EHS_WAKE_ON_MAC_EVENT; if (wol->wolopts == 0) - criteria |= EHS_REMOVE_WAKEUP; - - return lbs_host_sleep_cfg(priv, criteria, (struct wol_config *)NULL); + priv->wol_criteria |= EHS_REMOVE_WAKEUP; + return 0; } const struct ethtool_ops lbs_ethtool_ops = { diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 64dd345d30f5..6e71346a7550 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -1182,11 +1182,69 @@ static void if_sdio_remove(struct sdio_func *func) lbs_deb_leave(LBS_DEB_SDIO); } +static int if_sdio_suspend(struct device *dev) +{ + struct sdio_func *func = dev_to_sdio_func(dev); + int ret; + struct if_sdio_card *card = sdio_get_drvdata(func); + + mmc_pm_flag_t flags = sdio_get_host_pm_caps(func); + + lbs_pr_info("%s: suspend: PM flags = 0x%x\n", + sdio_func_id(func), flags); + + /* If we aren't being asked to wake on anything, we should bail out + * and let the SD stack power down the card. + */ + if (card->priv->wol_criteria == EHS_REMOVE_WAKEUP) { + lbs_pr_info("Suspend without wake params -- " + "powering down card."); + return -ENOSYS; + } + + if (!(flags & MMC_PM_KEEP_POWER)) { + lbs_pr_err("%s: cannot remain alive while host is suspended\n", + sdio_func_id(func)); + return -ENOSYS; + } + + ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); + if (ret) + return ret; + + ret = lbs_suspend(card->priv); + if (ret) + return ret; + + return sdio_set_host_pm_flags(func, MMC_PM_WAKE_SDIO_IRQ); +} + +static int if_sdio_resume(struct device *dev) +{ + struct sdio_func *func = dev_to_sdio_func(dev); + struct if_sdio_card *card = sdio_get_drvdata(func); + int ret; + + lbs_pr_info("%s: resume: we're back\n", sdio_func_id(func)); + + ret = lbs_resume(card->priv); + + return ret; +} + +static const struct dev_pm_ops if_sdio_pm_ops = { + .suspend = if_sdio_suspend, + .resume = if_sdio_resume, +}; + static struct sdio_driver if_sdio_driver = { .name = "libertas_sdio", .id_table = if_sdio_ids, .probe = if_sdio_probe, .remove = if_sdio_remove, + .drv = { + .pm = &if_sdio_pm_ops, + }, }; /*******************************************************************/ diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index f41594c7ac16..a0cb265e5816 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -1043,6 +1043,12 @@ static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) if (priv->psstate != PS_STATE_FULL_POWER) return -1; + if (priv->wol_criteria == EHS_REMOVE_WAKEUP) { + lbs_pr_info("Suspend attempt without " + "configuring wake params!\n"); + return -ENOSYS; + } + ret = lbs_suspend(priv); if (ret) goto out; diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index d9b8ee130c45..abfecc4814b4 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -625,16 +625,13 @@ static int lbs_thread(void *data) return 0; } -static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy, - struct cmd_header *cmd) +static int lbs_ret_host_sleep_activate(struct lbs_private *priv, + unsigned long dummy, + struct cmd_header *cmd) { lbs_deb_enter(LBS_DEB_FW); - - netif_device_detach(priv->dev); - if (priv->mesh_dev) - netif_device_detach(priv->mesh_dev); - - priv->fw_ready = 0; + priv->is_host_sleep_activated = 1; + wake_up_interruptible(&priv->host_sleep_q); lbs_deb_leave(LBS_DEB_FW); return 0; } @@ -646,39 +643,65 @@ int lbs_suspend(struct lbs_private *priv) lbs_deb_enter(LBS_DEB_FW); - if (priv->wol_criteria == 0xffffffff) { - lbs_pr_info("Suspend attempt without configuring wake params!\n"); - return -EINVAL; + if (priv->is_deep_sleep) { + ret = lbs_set_deep_sleep(priv, 0); + if (ret) { + lbs_pr_err("deep sleep cancellation failed: %d\n", ret); + return ret; + } + priv->deep_sleep_required = 1; } memset(&cmd, 0, sizeof(cmd)); + ret = lbs_host_sleep_cfg(priv, priv->wol_criteria, + (struct wol_config *)NULL); + if (ret) { + lbs_pr_info("Host sleep configuration failed: %d\n", ret); + return ret; + } + if (priv->psstate == PS_STATE_FULL_POWER) { + ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd, + sizeof(cmd), lbs_ret_host_sleep_activate, 0); + if (ret) + lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret); + } - ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd, - sizeof(cmd), lbs_suspend_callback, 0); - if (ret) - lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret); + if (!wait_event_interruptible_timeout(priv->host_sleep_q, + priv->is_host_sleep_activated, (10 * HZ))) { + lbs_pr_err("host_sleep_q: timer expired\n"); + ret = -1; + } + netif_device_detach(priv->dev); + if (priv->mesh_dev) + netif_device_detach(priv->mesh_dev); lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); return ret; } EXPORT_SYMBOL_GPL(lbs_suspend); -void lbs_resume(struct lbs_private *priv) +int lbs_resume(struct lbs_private *priv) { - lbs_deb_enter(LBS_DEB_FW); + int ret; + uint32_t criteria = EHS_REMOVE_WAKEUP; - priv->fw_ready = 1; + lbs_deb_enter(LBS_DEB_FW); - /* Firmware doesn't seem to give us RX packets any more - until we send it some command. Might as well update */ - lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, - 0, 0, NULL); + ret = lbs_host_sleep_cfg(priv, criteria, (struct wol_config *)NULL); netif_device_attach(priv->dev); if (priv->mesh_dev) netif_device_attach(priv->mesh_dev); - lbs_deb_leave(LBS_DEB_FW); + if (priv->deep_sleep_required) { + priv->deep_sleep_required = 0; + ret = lbs_set_deep_sleep(priv, 1); + if (ret) + lbs_pr_err("deep sleep activation failed: %d\n", ret); + } + + lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); + return ret; } EXPORT_SYMBOL_GPL(lbs_resume); @@ -834,10 +857,13 @@ static int lbs_init_adapter(struct lbs_private *priv) priv->psstate = PS_STATE_FULL_POWER; priv->is_deep_sleep = 0; priv->is_auto_deep_sleep_enabled = 0; + priv->deep_sleep_required = 0; priv->wakeup_dev_required = 0; init_waitqueue_head(&priv->ds_awake_q); priv->authtype_auto = 1; - + priv->is_host_sleep_configured = 0; + priv->is_host_sleep_activated = 0; + init_waitqueue_head(&priv->host_sleep_q); mutex_init(&priv->lock); setup_timer(&priv->command_timer, lbs_cmd_timeout_handler, @@ -976,6 +1002,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev) priv->wol_criteria = 0xffffffff; priv->wol_gpio = 0xff; + priv->wol_gap = 20; goto done; @@ -1031,6 +1058,10 @@ void lbs_remove_card(struct lbs_private *priv) wake_up_interruptible(&priv->ds_awake_q); } + priv->is_host_sleep_configured = 0; + priv->is_host_sleep_activated = 0; + wake_up_interruptible(&priv->host_sleep_q); + /* Stop the thread servicing the interrupts */ priv->surpriseremoved = 1; kthread_stop(priv->main_thread); |