diff options
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/main.c')
-rw-r--r-- | drivers/net/wireless/ath/wcn36xx/main.c | 146 |
1 files changed, 107 insertions, 39 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index e1d59da..0002190 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -21,6 +21,10 @@ #include <linux/platform_device.h> #include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/of_irq.h> +#include <linux/soc/qcom/smd.h> +#include <linux/soc/qcom/smem_state.h> +#include <linux/soc/qcom/wcnss_ctrl.h> #include "wcn36xx.h" unsigned int wcn36xx_dbg_mask; @@ -564,23 +568,59 @@ out: return ret; } -static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - const u8 *mac_addr) +static void wcn36xx_hw_scan_worker(struct work_struct *work) { - struct wcn36xx *wcn = hw->priv; + struct wcn36xx *wcn = container_of(work, struct wcn36xx, scan_work); + struct cfg80211_scan_request *req = wcn->scan_req; + u8 channels[WCN36XX_HAL_PNO_MAX_NETW_CHANNELS_EX]; + struct cfg80211_scan_info scan_info = {}; + int i; + + wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 scan %d channels worker\n", req->n_channels); + + for (i = 0; i < req->n_channels; i++) + channels[i] = req->channels[i]->hw_value; + + wcn36xx_smd_update_scan_params(wcn, channels, req->n_channels); wcn36xx_smd_init_scan(wcn, HAL_SYS_MODE_SCAN); - wcn36xx_smd_start_scan(wcn); + for (i = 0; i < req->n_channels; i++) { + wcn->scan_freq = req->channels[i]->center_freq; + wcn->scan_band = req->channels[i]->band; + + wcn36xx_smd_start_scan(wcn, req->channels[i]->hw_value); + msleep(30); + wcn36xx_smd_end_scan(wcn, req->channels[i]->hw_value); + + wcn->scan_freq = 0; + } + wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN); + + scan_info.aborted = false; + ieee80211_scan_completed(wcn->hw, &scan_info); + + mutex_lock(&wcn->scan_lock); + wcn->scan_req = NULL; + mutex_unlock(&wcn->scan_lock); } -static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) +static int wcn36xx_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_scan_request *hw_req) { struct wcn36xx *wcn = hw->priv; - wcn36xx_smd_end_scan(wcn); - wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN); + mutex_lock(&wcn->scan_lock); + if (wcn->scan_req) { + mutex_unlock(&wcn->scan_lock); + return -EBUSY; + } + wcn->scan_req = &hw_req->req; + mutex_unlock(&wcn->scan_lock); + + schedule_work(&wcn->scan_work); + + return 0; } static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta, @@ -993,8 +1033,7 @@ static const struct ieee80211_ops wcn36xx_ops = { .configure_filter = wcn36xx_configure_filter, .tx = wcn36xx_tx, .set_key = wcn36xx_set_key, - .sw_scan_start = wcn36xx_sw_scan_start, - .sw_scan_complete = wcn36xx_sw_scan_complete, + .hw_scan = wcn36xx_hw_scan, .bss_info_changed = wcn36xx_bss_info_changed, .set_rts_threshold = wcn36xx_set_rts_threshold, .sta_add = wcn36xx_sta_add, @@ -1019,6 +1058,7 @@ static int wcn36xx_init_ieee80211(struct wcn36xx *wcn) ieee80211_hw_set(wcn->hw, SUPPORTS_PS); ieee80211_hw_set(wcn->hw, SIGNAL_DBM); ieee80211_hw_set(wcn->hw, HAS_RATE_CONTROL); + ieee80211_hw_set(wcn->hw, SINGLE_SCAN_ON_ALL_BANDS); wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP) | @@ -1028,6 +1068,9 @@ static int wcn36xx_init_ieee80211(struct wcn36xx *wcn) wcn->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wcn_band_2ghz; wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz; + wcn->hw->wiphy->max_scan_ssids = WCN36XX_MAX_SCAN_SSIDS; + wcn->hw->wiphy->max_scan_ie_len = WCN36XX_MAX_SCAN_IE_LEN; + wcn->hw->wiphy->cipher_suites = cipher_suites; wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); @@ -1058,8 +1101,7 @@ static int wcn36xx_platform_get_resources(struct wcn36xx *wcn, int ret; /* Set TX IRQ */ - res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, - "wcnss_wlantx_irq"); + res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "tx"); if (!res) { wcn36xx_err("failed to get tx_irq\n"); return -ENOENT; @@ -1067,14 +1109,29 @@ static int wcn36xx_platform_get_resources(struct wcn36xx *wcn, wcn->tx_irq = res->start; /* Set RX IRQ */ - res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, - "wcnss_wlanrx_irq"); + res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "rx"); if (!res) { wcn36xx_err("failed to get rx_irq\n"); return -ENOENT; } wcn->rx_irq = res->start; + /* Acquire SMSM tx enable handle */ + wcn->tx_enable_state = qcom_smem_state_get(&pdev->dev, + "tx-enable", &wcn->tx_enable_state_bit); + if (IS_ERR(wcn->tx_enable_state)) { + wcn36xx_err("failed to get tx-enable state\n"); + return PTR_ERR(wcn->tx_enable_state); + } + + /* Acquire SMSM tx rings empty handle */ + wcn->tx_rings_empty_state = qcom_smem_state_get(&pdev->dev, + "tx-rings-empty", &wcn->tx_rings_empty_state_bit); + if (IS_ERR(wcn->tx_rings_empty_state)) { + wcn36xx_err("failed to get tx-rings-empty state\n"); + return PTR_ERR(wcn->tx_rings_empty_state); + } + mmio_node = of_parse_phandle(pdev->dev.parent->of_node, "qcom,mmio", 0); if (!mmio_node) { wcn36xx_err("failed to acquire qcom,mmio reference\n"); @@ -1115,11 +1172,14 @@ static int wcn36xx_probe(struct platform_device *pdev) { struct ieee80211_hw *hw; struct wcn36xx *wcn; + void *wcnss; int ret; - u8 addr[ETH_ALEN]; + const u8 *addr; wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n"); + wcnss = dev_get_drvdata(pdev->dev.parent); + hw = ieee80211_alloc_hw(sizeof(struct wcn36xx), &wcn36xx_ops); if (!hw) { wcn36xx_err("failed to alloc hw\n"); @@ -1130,11 +1190,26 @@ static int wcn36xx_probe(struct platform_device *pdev) wcn = hw->priv; wcn->hw = hw; wcn->dev = &pdev->dev; - wcn->ctrl_ops = pdev->dev.platform_data; - mutex_init(&wcn->hal_mutex); + mutex_init(&wcn->scan_lock); + + INIT_WORK(&wcn->scan_work, wcn36xx_hw_scan_worker); + + wcn->smd_channel = qcom_wcnss_open_channel(wcnss, "WLAN_CTRL", wcn36xx_smd_rsp_process); + if (IS_ERR(wcn->smd_channel)) { + wcn36xx_err("failed to open WLAN_CTRL channel\n"); + ret = PTR_ERR(wcn->smd_channel); + goto out_wq; + } - if (!wcn->ctrl_ops->get_hw_mac(addr)) { + qcom_smd_set_drvdata(wcn->smd_channel, hw); + + addr = of_get_property(pdev->dev.of_node, "local-mac-address", &ret); + if (addr && ret != ETH_ALEN) { + wcn36xx_err("invalid local-mac-address\n"); + ret = -EINVAL; + goto out_wq; + } else if (addr) { wcn36xx_info("mac address: %pM\n", addr); SET_IEEE80211_PERM_ADDR(wcn->hw, addr); } @@ -1158,6 +1233,7 @@ out_wq: out_err: return ret; } + static int wcn36xx_remove(struct platform_device *pdev) { struct ieee80211_hw *hw = platform_get_drvdata(pdev); @@ -1165,45 +1241,37 @@ static int wcn36xx_remove(struct platform_device *pdev) wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n"); release_firmware(wcn->nv); - mutex_destroy(&wcn->hal_mutex); ieee80211_unregister_hw(hw); + + qcom_smem_state_put(wcn->tx_enable_state); + qcom_smem_state_put(wcn->tx_rings_empty_state); + iounmap(wcn->dxe_base); iounmap(wcn->ccu_base); + + mutex_destroy(&wcn->hal_mutex); ieee80211_free_hw(hw); return 0; } -static const struct platform_device_id wcn36xx_platform_id_table[] = { - { - .name = "wcn36xx", - .driver_data = 0 - }, + +static const struct of_device_id wcn36xx_of_match[] = { + { .compatible = "qcom,wcnss-wlan" }, {} }; -MODULE_DEVICE_TABLE(platform, wcn36xx_platform_id_table); +MODULE_DEVICE_TABLE(of, wcn36xx_of_match); static struct platform_driver wcn36xx_driver = { .probe = wcn36xx_probe, .remove = wcn36xx_remove, .driver = { .name = "wcn36xx", + .of_match_table = wcn36xx_of_match, }, - .id_table = wcn36xx_platform_id_table, }; -static int __init wcn36xx_init(void) -{ - platform_driver_register(&wcn36xx_driver); - return 0; -} -module_init(wcn36xx_init); - -static void __exit wcn36xx_exit(void) -{ - platform_driver_unregister(&wcn36xx_driver); -} -module_exit(wcn36xx_exit); +module_platform_driver(wcn36xx_driver); MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com"); |